CN219201036U - Temperature control type concrete vacuum water-retaining instrument - Google Patents
Temperature control type concrete vacuum water-retaining instrument Download PDFInfo
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- CN219201036U CN219201036U CN202222705113.4U CN202222705113U CN219201036U CN 219201036 U CN219201036 U CN 219201036U CN 202222705113 U CN202222705113 U CN 202222705113U CN 219201036 U CN219201036 U CN 219201036U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 263
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 21
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000036760 body temperature Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a temperature control type concrete vacuum water retention instrument which comprises a sample container and a water bath temperature regulating component, wherein the sample container is provided with a containing cavity for containing a test block, the containing cavity is kept in a negative pressure state, the side wall of the sample container is provided with a first water inlet and a first water outlet which are communicated with the containing cavity, the water bath temperature regulating component comprises a water tank, a heating refrigerator, a water pump, a circulating water inlet pipe, a circulating water outlet pipe and a liquid level valve, the heating refrigerator and the water pump are fixedly arranged in the water tank, the water tank is communicated with the circulating water inlet pipe, one end of the circulating water inlet pipe, which is far away from the water pump, is communicated with the first water outlet, the circulating water outlet pipe is communicated with the water tank and the first water inlet, and the liquid level valve is arranged on the circulating water outlet pipe; the concrete vacuum water-retaining machine solves the problems that the temperature of a water-retaining test cannot be adjusted, the temperature of the water-retaining test is greatly influenced by the temperature of the external environment, the temperature of the water-retaining test is easy to fluctuate, and the deviation of the test result is caused.
Description
Technical Field
The utility model relates to the technical field of concrete, in particular to a temperature control type concrete vacuum water retention instrument.
Background
The concrete vacuum water retention instrument is used for preprocessing the test block in the concrete electric flux test and the concrete diffusion coefficient test, and the test result of the concrete electric flux test and the concrete diffusion coefficient test is directly influenced by the test block processing effect in the link.
In order to ensure the effect of test block treatment, a water retention test needs to meet certain pressure and temperature requirements, for example, in the prior art, chinese patent application No. CN201921042075.0 discloses a concrete vacuum water retention machine, and the technical scheme is that an air suction device and a water inlet device can be in sealing connection with a vacuum water retention barrel cover, so that the air pressure in the vacuum water retention barrel can meet the test requirements when the vacuum water retention test is carried out; however, the temperature of the water retention test cannot be adjusted in the prior art, the temperature of the water retention test is greatly influenced by the external environment temperature, and the temperature of the water retention test is easy to fluctuate, so that deviation is caused by test results.
Therefore, the concrete vacuum water retention machine in the prior art has the problems that the temperature of the water retention test cannot be adjusted, the temperature of the water retention test is greatly influenced by the external environment temperature, the water retention test temperature is easy to fluctuate, and the deviation of the test result is caused.
Disclosure of Invention
In view of the above, it is necessary to provide a temperature control type concrete vacuum water retention instrument for solving the problems that the concrete vacuum water retention machine in the prior art cannot adjust the temperature of the water retention test, the temperature of the water retention test is greatly affected by the external environment temperature, and the water retention test temperature is easy to fluctuate, thereby causing deviation of the test result.
The utility model provides a temperature control type concrete vacuum water retention instrument which comprises a sample container and a water bath temperature regulating assembly, wherein the sample container is provided with a containing cavity for containing a test block, the containing cavity is kept in a negative pressure state, a first water inlet and a first water outlet which are communicated with the containing cavity are formed in the side wall of the sample container, the water bath temperature regulating assembly comprises a water tank, a heating refrigerator, a water pump, a circulating water inlet pipe, a circulating water outlet pipe and a liquid level valve, the heating refrigerator and the water pump are fixedly arranged in the water tank, the heating refrigerator can heat or refrigerate a water body in the water tank, one end of the water pump, which is communicated with the water tank and the circulating water inlet pipe, is communicated with the first water outlet, one end of the circulating water inlet pipe, which is far away from the water pump, is communicated with the water tank and the first water inlet, and the liquid level valve is arranged in the circulating water outlet pipe.
Further, the sample container is provided with a sealing cover, the upper end face of the sample container is opened, and the sealing cover can seal the opening of the upper end face of the sample container.
Further, a handle and a deflation valve are fixedly arranged on the sealing cover, and the deflation valve can be communicated with the outside atmosphere and the accommodating cavity.
Further, the water tank is provided with a second water inlet and a second water outlet, the second water inlet is communicated with an external water supply pipeline, and the second water outlet is communicated with an external drainage pipeline.
Further, the side wall of the sample container is arranged towards the recess far away from the axis of the sample container to form a pipeline groove, one end of the circulating water inlet pipe far away from the water tank extends into the pipeline groove, and the liquid level valve is positioned in the pipeline groove.
Further, the temperature control type concrete vacuum water retention instrument further comprises a hollow shell, wherein a first mounting opening and a second mounting opening are formed in the shell, and the sample container and the water tank are respectively embedded and fixed in the first mounting opening and the second mounting opening.
Further, the outer peripheral wall of the sample container is fixed with the inner peripheral wall of the first mounting opening in a sealing manner, and the sealing cover can be fixedly connected with the housing in a sealing manner at the position of the first mounting opening so as to seal the opening at the upper end of the sample container.
Further, a vacuum pump is fixedly arranged in the shell, the vacuum pump is fixed in the shell, and the vacuum pump is communicated with the pipeline groove through a vacuumizing tube.
Further, the side wall of the shell, which is close to the water tank, is provided with a water injection valve, a drain valve and a power interface, one end of the water injection valve is communicated with the second water inlet, the other end of the water injection valve is communicated with an external water supply pipeline, one end of the drain valve is communicated with the second water outlet, the other end of the drain valve is communicated with an external drain pipeline, one end of the power interface is electrically connected with the heating refrigerator, and the other end of the power interface is electrically connected with an external circuit.
Further, the vacuum pump further comprises a control assembly, the control assembly comprises a first temperature sensor, a pressure sensor, a second temperature sensor and a control panel, the first temperature sensor and the pressure sensor are fixedly arranged in the accommodating cavity, the second temperature sensor is fixedly arranged in the water tank, the control panel is fixedly arranged on the side wall of the shell, and the control panel is electrically connected with the first temperature sensor, the second temperature sensor, the heating refrigerator, the water pump and the vacuum pump.
Compared with the prior art, the temperature control type concrete vacuum water retention instrument provided by the utility model has the advantages that through the structural arrangement of the water tank, the heating refrigerator, the water pump, the circulating water inlet pipe, the circulating water outlet pipe and the liquid level valve in the water bath temperature adjusting component, the circulating flow of the water body between the water tank and the sample container is realized, the temperature of the water body in the water tank can be properly adjusted through the heating refrigerator, and then the temperature in the sample container is adjusted through the circulating flow of the water body, so that the temperature of a water retention test is kept relatively stable, and the influence of external environment is reduced.
Drawings
Fig. 1 is a schematic diagram of the whole structure of a temperature-controlled concrete vacuum water-retaining apparatus according to the embodiment of the utility model;
FIG. 2 is a schematic structural diagram of a sample container and a water bath temperature adjusting assembly in an embodiment of a temperature control type concrete vacuum water retention device provided by the utility model;
fig. 3 is a schematic structural diagram of a pipeline slot in an embodiment of the temperature-controlled concrete vacuum water retention device provided by the utility model.
In the figure: 1. a sample container; 2. a water bath temperature regulating assembly; 3. a housing; 4. a vacuum pump; 5. a control panel; 11. a receiving cavity; 12. a first water inlet; 13. a first water outlet; 14. sealing cover; 15. a conduit groove; 21. a water tank; 211. a second water inlet; 212. a second water outlet; 22. a heating refrigerator; 23. a water pump; 24. a circulation water inlet pipe, a circulation water outlet pipe and a circulation water outlet pipe; 26. a liquid level valve; 31. a first mounting port; 32. a second mounting port; 33. a water filling valve; 34. a drain valve; 35. a power interface; 41. and vacuumizing the tube.
Detailed Description
Preferred embodiments of the present utility model will now be described in detail with reference to the accompanying drawings, which form a part hereof, and together with the description serve to explain the principles of the utility model, and are not intended to limit the scope of the utility model.
As shown in fig. 1-3, the temperature control type concrete vacuum water retention device in this embodiment includes a sample container 1 and a water bath temperature adjustment assembly 2, the sample container 1 has a containing cavity 11 for placing a test block, the pressure in the containing cavity 11 is lower than the atmospheric pressure, a first water inlet 12 and a first water outlet 13 communicating with the containing cavity 11 are provided on the side wall of the sample container 1, the water bath temperature adjustment assembly 2 includes a water tank 21, a heating refrigerator 22, a water pump 23, a circulating water inlet pipe 24, a circulating water outlet pipe 25 and a liquid level valve 26, the heating refrigerator 22 and the water pump 23 are both fixedly arranged in the water tank 21, the heating refrigerator 22 can heat or refrigerate the water in the water tank 21, the water pump 23 communicates with the circulating water inlet pipe 24, one end of the circulating water inlet pipe 24 far from the water pump 23 communicates with the first water outlet 13, the circulating water outlet pipe 25 communicates with the water tank 21 and the first water inlet 12, and the liquid level valve 26 is arranged in the circulating water outlet pipe 25.
The sample container 1 is a container for performing a vacuum water retention test, the sample container 1 is provided with a containing cavity 11 for placing a test block, when the vacuum water retention test is performed, the containing cavity 11 is vacuumized, the internal pressure of the sample container is regulated to the test pressure set by the vacuum water retention test, a first water inlet 12 and a first water outlet 13 which are communicated with the containing cavity 11 are formed in the side wall of the sample container 1, and a circulating inlet and outlet channel for water in the containing cavity 11 is provided through the arrangement of the first water inlet 12 and the first water outlet 13; the water bath temperature adjusting component 2 is a temperature adjusting mechanism for adjusting the water body in the sample container 1 and the test environment, the water bath temperature adjusting component 2 comprises a water tank 21, a heating refrigerator 22, a water pump 23, a circulating water inlet pipe 24, a circulating water outlet pipe 25 and a liquid level valve 26, the water tank 21 is used for storing the water body and is communicated with the sample container 1, and the water body temperature in the sample container 1 and the temperature of the test environment are adjusted by circulating the water tank 21 and the water body in the sample container 1; the heating and refrigerating device 22 is fixedly arranged in the water tank 21, can heat or refrigerate the water body in the water tank 21, and is used for maintaining the stability of the temperature in the sample container 1 when the water body in the water tank 21 is circulated into the sample container 1 by heating or refrigerating the water body in the water tank 21 when the temperature of the external environment is reduced or increased; the water pump 23 is arranged to suck the water in the accommodating cavity 11 arranged at the negative pressure into the water tank 21, the water pump 23 sucks the water in the accommodating cavity 11 through the circulating water inlet pipe 24, one end of the water inlet pipe is communicated with the first water outlet 13, the other end of the water inlet pipe is communicated with the water pump 23, the water pump 23 is fixedly arranged in the water tank 21, and the sucked water is directly discharged into the water tank 21; the circulating water outlet pipe 25 is used for guiding the water body in the water tank 21 into the accommodating cavity 11, and a water pumping device is not required to be arranged on the circulating water outlet pipe 25 because the accommodating cavity 11 is in a negative pressure state; the liquid level valve 26 is used for controlling the connection or disconnection of a conveying channel in the circulating water outlet pipe 25, when the liquid level in the sample container 1 reaches a set height, the liquid level valve 26 is closed, the water in the water tank 21 is prevented from continuously conveying to the sample container 1 through the circulating water outlet pipe 25, excessive water in the water tank 21 is prevented from flowing into the sample container 1, when the liquid level in the sample container 1 drops below the set liquid level, the liquid level valve 26 is opened, the water in the water tank 21 continuously flows towards the sample container 1, and the liquid level in the sample container 1 is kept relatively stable; through the arrangement of the structure, the water body in the water tank 21 and the sample container 1 can be circularly exchanged, and the temperature of the water body in the water tank 21 can be controlled to indirectly regulate and control the temperature of the water body in the sample container 1 and the test temperature, so that the temperature in the sample container 1 is kept relatively stable, the influence of the external environment on the water body is reduced, and the result of the vacuum water retention test is more accurate.
In this embodiment, the sample container 1 is a container for vacuum water retention test, the sample container 1 has a receiving cavity 11 for placing a test block, and in order to facilitate the taking and placing of the test block, the structure of the sample container 1 is modified in the following embodiments.
To facilitate the removal of the test block, in a preferred embodiment, as shown in FIGS. 1-2, the sample container 1 has a sealing cap 14, the upper end surface of the sample container 1 is opened, and the sealing cap 14 seals the opening of the upper end surface of the sample container 1.
The opening in the upper end surface of the sample container 1 is provided for facilitating the collection and placement of the test block, and the opening of the sample container 1 is closed by the seal cap 14 during the vacuum water retention test in order to maintain the negative pressure state in the sample container 1.
To facilitate removal of the test block, in a preferred embodiment, the seal cap 14 is fixedly provided with a handle and a purge valve (not shown) which communicates the outside atmosphere with the receiving cavity 11.
The handle and the air release valve are arranged to conveniently open the sealing cover 14 after the test is finished, and the external environment can be communicated with the inside of the sample container 1 through the air release valve after the vacuum water retention test is finished, so that the pressure is balanced, the sealing cover 14 is easily opened, and the sample container 1 is taken out.
In this embodiment, the water bath temperature adjusting component 2 is a temperature adjusting mechanism for adjusting the water body in the sample container 1 and the test environment, the water bath temperature adjusting component 2 comprises a water tank 21, a heating refrigerator 22, a water pump 23, a circulating water inlet pipe 24, a circulating water outlet pipe 25 and a liquid level valve 26, and the water body temperature of the water tank 21 is adjusted and the circulating effect is achieved with the water body in the sample container 1 through the arrangement of the above structure, so that the purpose of adjusting the temperature in the sample container 1 is achieved, and in order to achieve the above effect better, the water bath temperature adjusting component 2 is optimized in the following embodiments.
In order to facilitate water filling and draining of the water tank 21, in a preferred embodiment, as shown in fig. 2, the water tank 21 is provided with a second water inlet 211 and a second water outlet 212, the second water inlet 211 is communicated with an external water supply line, and the second water outlet 212 is communicated with an external water drain line.
Through the arrangement of the second water inlet 211 and the second water outlet 212, the water adding work of the water tank 21 can be completed before the vacuum water retention test, and the water draining work of the water tank 21 can be completed after the vacuum water retention test is finished.
It can be appreciated that, in order to facilitate water addition into the water tank 21, the end face of the water tank 21 may be opened, and meanwhile, in order to preserve heat of the water body in the water tank 21 and prevent sundries from entering, a cover may be disposed at the opening of the upper end face of the water tank 21, and the cover is a structure that is easily thought of by those skilled in the art, and will not be repeated herein.
In order to increase the space utilization of the receiving cavity 11, in a preferred embodiment, as shown in fig. 3, the side wall of the sample container 1 is recessed away from its axis to form a line slot 15, and the end of the circulation inlet pipe 24 away from the water tank 21 extends into the line slot 15, and the liquid level valve 26 is located in the line slot 15.
Wherein, pipeline groove 15 and holding cavity 11 intercommunication setting, the upper and lower both ends of pipeline groove 15 all seal the setting, and the setting of pipeline groove 15 is in order to reduce the space that various pipelines and liquid level valve 26 occupy, and simultaneously, the pipeline groove 15 internal volume that additionally sets up is less, avoids too much increasing the water volume in sample container 1, leads to the temperature regulation and control speed in the sample container 1 to reduce.
In a preferred embodiment, the temperature-controlled concrete vacuum water-retaining apparatus further includes a hollow housing 3, and the housing 3 is provided with a first mounting opening 31 and a second mounting opening 32, and the sample container 1 and the water tank 21 are respectively embedded and fixed in the first mounting opening 31 and the second mounting opening 32.
Wherein, the setting of casing 3 is used for carrying out integrated installation to other structures, makes control by temperature change formula concrete vacuum water retention appearance form an holistic structure, facilitate the use and remove.
It can be understood that, in order to stably place the temperature control type concrete vacuum water retention instrument and facilitate adjusting the installation height thereof, a plurality of supporting legs with adjustable height can be arranged on the bottom surface of the shell 3, the supporting legs can be fixed with the bottom surface of the shell 3 through a threaded rod in a threaded manner, and the distance between the supporting legs and the bottom surface of the shell 3 can be adjusted through the screwing-in and screwing-out of the threaded rod so as to achieve the effect of adjusting the installation height of equipment.
In order to achieve the sealing effect on the sample container 1, in a preferred embodiment, as shown in fig. 1, the outer peripheral wall of the sample container 1 is sealed and fixed with the inner peripheral wall of the first mounting opening 31, and the sealing cover 14 may be sealed and fixed with the housing 3 at the position of the first mounting opening 31 to seal the opening at the upper end of the sample container 1.
Wherein, a plurality of bolt holes are all offered along circumference on the periphery of first installing port 31 and sealed lid 14 in casing 3, the bolt hole on casing 3 sets up with the bolt hole on sealed lid 14 one-to-one, place a sealing washer between casing 3 and sealed lid 14, a plurality of bolt holes have also been offered on the sealing washer, through setting up a plurality of bolts, make the bolt with the bolt hole on sealed lid 14 one-to-one, and pass sealed lid 14 in proper order, sealed the bolt hole on packing and casing 3, make bolt and the screw hole thread tightening on casing 3, thereby fix sealed lid 14 and sealed the even pressure fastening of packing on casing 3 of first installing port 31 periphery, in order to realize the effect to sealed in first installing port 31, the structure such as above-mentioned bolt and sealing washer are not shown in the figure, it is the conventional seal structure that one skilled in the art easily thinks, do not make too much here.
In order to maintain the negative pressure state in the accommodating cavity 11, in a preferred embodiment, as shown in fig. 2, a vacuum pump 4 is fixedly arranged in the housing 3, the vacuum pump 4 is fixed in the housing 3, and the vacuum pump 4 is communicated with the pipeline groove 15 through a vacuum pipe 41.
One end of the vacuum pump 41 is communicated with the vacuum pump 4, and the other end is communicated with the pipeline groove 15, and the pipeline groove 15 is communicated with the accommodating cavity 11, so that the vacuum pump 4 and the pipeline groove 15 are both in a negative pressure state in the accommodating cavity 11 when vacuumizing.
In order to connect the devices in the housing 3 with external pipelines and circuits, in a preferred embodiment, the side wall of the housing 3, which is close to the water tank 21, is provided with a water filling valve 33, a water draining valve 34 and a power supply interface 35, wherein one end of the water filling valve 33 is communicated with the second water inlet 211, the other end is communicated with the external water supply pipeline, one end of the water draining valve 34 is communicated with the second water outlet 212, the other end is communicated with the external water draining pipeline, one end of the power supply interface 35 is electrically connected with the heating and refrigerating device 22, and the other end is electrically connected with the external circuit.
In order to facilitate the control of the temperature in the sample container 1, in a preferred embodiment, the temperature-controlled concrete vacuum water retention device further comprises a control assembly, wherein the control assembly comprises a first temperature sensor, a pressure sensor, a second temperature sensor (not shown in the figure), and a control panel 5, the first temperature sensor and the pressure sensor are fixedly arranged in the accommodating cavity 11, the second temperature sensor is fixedly arranged in the water tank 21, the control panel 5 is fixedly arranged on the side wall of the housing 3, and the control panel 5 is electrically connected with the first temperature sensor, the second temperature sensor, the heating and refrigerating device 22, the water pump 23 and the vacuum pump 4.
The temperature and pressure in the sample container 1 can be detected in real time through the first temperature sensor and the pressure sensor, when the detected temperature is inconsistent with the set temperature of the control panel 5, the control panel 5 automatically starts the water pump 23 and the liquid level valve 26 to circulate water, and automatically controls the heating and refrigerating device 22 to heat or refrigerate the water, meanwhile, the pressure in the sample container 1 is set through the control panel 5, when the pressure rises, the controller controls the vacuum pump 4 to be started, so that the pressure in the sample container 1 is kept stable, when the pressure is reduced to the set value, the vacuum pump 4 is closed again, and through the arrangement of the structure, the temperature and the pressure in the sample container 1 can be automatically controlled, so that the sample condition is kept in a relatively stable state, and the accuracy of a test result is improved.
Compared with the prior art: according to the temperature control type concrete vacuum water retention instrument provided by the utility model, through the structural arrangement of the water tank 21, the heating and refrigerating device 22, the water pump 23, the circulating water inlet pipe 24, the circulating water outlet pipe 25 and the liquid level valve 26 in the water bath temperature adjustment assembly 2, the circulating flow of water between the water tank 21 and the sample container 1 is realized, the temperature of water in the water tank 21 can be properly adjusted through the heating and refrigerating device 22, and then the temperature in the sample container 1 is adjusted through the circulating flow of the water, so that the temperature of a water retention test is kept relatively stable, and the influence of external environment is reduced.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (10)
1. The temperature control type concrete vacuum water retention instrument is characterized by comprising a sample container and a water bath temperature regulation component;
the sample container is provided with a containing cavity for placing a test block, the containing cavity is kept in a negative pressure state, and the side wall of the sample container is provided with a first water inlet and a first water outlet which are communicated with the containing cavity;
the water bath temperature adjusting assembly comprises a water tank, a heating refrigerator, a water pump, a circulating water inlet pipe, a circulating water outlet pipe and a liquid level valve, wherein the heating refrigerator and the water pump are fixedly arranged in the water tank, the heating refrigerator can heat or refrigerate water in the water tank, the water pump is communicated with the water tank and the circulating water inlet pipe, the circulating water inlet pipe is far away from one end of the water pump and is communicated with the first water outlet, the circulating water outlet pipe is communicated with the water tank and the first water inlet, and the liquid level valve is arranged in the circulating water outlet pipe.
2. A temperature-controlled concrete vacuum water retention meter according to claim 1, wherein the sample container has a sealing cap, the upper end face of the sample container is open, and the sealing cap seals the opening of the upper end face of the sample container.
3. The temperature-control type concrete vacuum water-retaining instrument according to claim 2, wherein a handle and a deflation valve are fixedly arranged on the sealing cover, and the deflation valve can be communicated with the external atmosphere and the accommodating cavity.
4. A temperature-controlled concrete vacuum water retention meter according to any one of claims 2-3, wherein the water tank is provided with a second water inlet and a second water outlet, the second water inlet is communicated with an external water supply pipeline, and the second water outlet is communicated with an external water discharge pipeline.
5. A temperature-controlled concrete vacuum water retention meter according to claim 4, wherein the side wall of the sample container is recessed away from the axis thereof to form a line groove, wherein the end of the circulating water inlet pipe away from the water tank extends into the line groove, and wherein the liquid level valve is located in the line groove.
6. The temperature-controlled concrete vacuum water-holding instrument according to claim 5, further comprising a hollow shell, wherein the shell is provided with a first mounting opening and a second mounting opening, and the sample container and the water tank are respectively embedded and fixed in the first mounting opening and the second mounting opening.
7. The temperature-controlled concrete vacuum water-holding instrument according to claim 6, wherein the outer peripheral wall of the sample container is sealed and fixed with the inner peripheral wall of the first mounting opening, and the sealing cover is sealed and fixedly connected with the housing at the position of the first mounting opening so as to close the opening at the upper end of the sample container.
8. The temperature-controlled concrete vacuum water-holding instrument according to claim 7, wherein a vacuum pump is fixedly arranged in the shell, the vacuum pump is fixed in the shell, and the vacuum pump is communicated with the pipeline groove through a vacuumizing tube.
9. The temperature-controlled concrete vacuum water-holding instrument according to claim 8, wherein the side wall of the shell, which is close to the water tank, is provided with a water injection valve, a water discharge valve and a power interface, one end of the water injection valve is communicated with the second water inlet, the other end of the water injection valve is communicated with an external water supply pipeline, one end of the water discharge valve is communicated with the second water outlet, the other end of the water discharge valve is communicated with an external water discharge pipeline, one end of the power interface is electrically connected with the heating refrigerator, and the other end of the power interface is electrically connected with an external circuit.
10. The temperature-controlled concrete vacuum water-holding instrument according to claim 9, further comprising a control assembly, wherein the control assembly comprises a first temperature sensor, a pressure sensor, a second temperature sensor and a control panel, the first temperature sensor and the pressure sensor are fixedly arranged in the accommodating cavity, the second temperature sensor is fixedly arranged in the water tank, the control panel is fixedly arranged on the side wall of the shell, and the control panel is electrically connected with the first temperature sensor, the second temperature sensor, the heating refrigerator, the water pump and the vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222705113.4U CN219201036U (en) | 2022-10-11 | 2022-10-11 | Temperature control type concrete vacuum water-retaining instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222705113.4U CN219201036U (en) | 2022-10-11 | 2022-10-11 | Temperature control type concrete vacuum water-retaining instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219201036U true CN219201036U (en) | 2023-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222705113.4U Active CN219201036U (en) | 2022-10-11 | 2022-10-11 | Temperature control type concrete vacuum water-retaining instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN219201036U (en) |
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- 2022-10-11 CN CN202222705113.4U patent/CN219201036U/en active Active
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