CN203899618U - A new type of constant temperature and humidity testing machine - Google Patents

Abstract

The utility model relates to the technical field of test equipment, in particular to a novel constant temperature and humidity testing machine, a water pump is connected with a supply water cup through a water inlet pipeline, the supply water cup is connected with a water inlet of a primary water level controller, a lateral water supply port of the primary water level controller is communicated with a gauze groove through a connecting pipe, the connecting pipe is provided with an exhaust pipe, the exhaust pipe is communicated with a balance hole, a water supply port at the bottom of the primary water level controller is connected with a water inlet of a secondary water level controller through a connecting pipe, a water supply port of the secondary water level controller is communicated with a humidifier through a water supply pipe, a water return pipe is communicated with the balance hole for exhausting air through the exhaust pipe, the design is scientific, an overflow loop is well controlled, the system is concentrated in; the recovered water adopts a filtering mode, so that blockage is not easy to cause, and the whole system is stable; the upward exhaust duct has low noise, the equipment can be directly close to the wall, the space is saved, and the temperature can be accurately controlled.

Description

A new type of constant temperature and humidity testing machine

Technical field:

The utility model relates to the technical field of testing equipment, in particular to a novel constant temperature and humidity testing machine.

Background technique:

The constant temperature and humidity testing machine is an important testing equipment for the product testing environment. It is mainly used to simulate the environmental temperature of the product. There are certain problems in the design of the existing constant temperature and humidity testing machine, and there is a major problem in its water supply system. The exhaust design is not scientific, which leads to the failure of the whole machine. (1), the overflow circuit cannot be well controlled, resulting in overflow problems, and the return water and balance are integrated, which affects the balance; (2), the recycled water is not used The filter method is easy to cause blockage and affect the instability of the whole system; (3), the exhaust duct must have a special outlet pipe, and at the same time the noise is large; (4) the temperature control cannot be precisely controlled; (5), the exhaust effect The safety and service life of internal components of machinery and equipment.

Utility model content:

The structure of the utility model is a new type of constant temperature and humidity testing machine improved in view of the deficiencies of the prior art. Its design is scientific, the overflow circuit is well controlled, and the balance is good; No blockage, the whole system is stable, the system exhaust is concentrated, the return water is concentrated, the equipment can be directly against the wall, saving space; the temperature can be precisely controlled.

In order to achieve the above purpose, the utility model adopts the following technical scheme, which includes a box body, a test door, a control panel, a primary filter, a water supply container, a water pump, a supply water cup, a humidifier, and an over-temperature protector. Test door, control panel, test box inside the test box, a water tank at the bottom of the test box, a central drainage pipe at the central intersection of the water tank, an overflow drain pipe at the edge of the test box, and an air inlet channel at the lower end of the test box , there are compressors, condensers, exhaust fans in the channel, the upper end of the box is provided with an air outlet connected to the air inlet channel, and the side of the box is equipped with a water supply container, a water pump, a primary filter, and a secondary filter , the water supply container is connected to the water pump through the pipeline, the water pump is connected to the supply water cup through the water inlet pipe, the supply water cup is connected to the water inlet of the first-level water level controller, and the side water supply port of the first-level water level controller is connected to the gauze groove through the No. 1 connecting pipe , the No. 1 connecting pipe is provided with a No. 1 exhaust pipe, and the No. 1 exhaust pipe is connected to the balance hole. The water supply port at the bottom of the primary water level controller is connected to the water inlet of the secondary water level controller through the No. 2 connecting pipe. The water supply port of the controller is connected to the humidifier through the No. 3 water supply pipe, the overflow port of the secondary water level controller is connected to the No. 1 overflow pipe and the return pipe through the No. 2 overflow pipe, and the outlet of the humidifier is connected to the return pipe through the valve. , the return pipe is connected to the balance hole through the No. 2 exhaust pipe and the exhaust air; The first-stage filter is connected to the water supply container through a spiral tube, and the humidifier is electrically connected to the controller.

The test door is provided with an observation window and a handle.

The test box is provided with a test through hole.

The lower end of the box body is provided with a maintenance door, and both sides of the maintenance door are provided with air inlet passages.

The beneficial effects of the utility model are: the edge of the test box is provided with an overflow drain pipe, the lower end of the test box is provided with an air inlet channel, and a compressor, a condenser, and an exhaust fan are arranged in the channel, and the upper end of the box body is provided with a drain connected to the air inlet channel. The tuyere, the side of the box is equipped with a water supply container, a water pump, a primary filter, and a secondary filter. The water supply container is connected to the water pump through a pipeline, and the water pump is connected to the supply water cup through the water inlet pipeline, and the supply water cup is connected to the primary water level controller. The water inlet is connected, the side water supply port of the primary water level controller is connected with the gauze groove through the No. 1 connecting pipe, the No. 1 connecting pipe is provided with the No. The water supply port at the bottom of the controller is connected to the water inlet of the secondary water level controller through the No. 2 connecting pipe. The water supply port of the secondary water level controller is connected to the humidifier through the No. 3 water supply pipe. It is connected with No. 1 overflow pipe and return pipe. The outlet of the humidifier is connected with the return pipe through the valve. The return pipe is connected with the balance hole of the exhaust pipe No. 2. The drain pipe is connected to the primary filter, the primary filter is connected to the secondary filter, and the secondary filter is connected to the water supply container through a spiral pipe. , The back can be placed directly against the wall, saving space and improving the applicability of the site. The exhaust port can be connected to the system exhaust pipe upward, which is convenient for installation and reduces the operating noise of the whole machine; the whole system is designed scientifically, with sensor control and water replenishment , Timely water supply, completely solved the machine failure caused by water replenishment, untimely water supply, and unbalanced air pressure. The multi-stage filtration method is not easy to cause blockage, the whole system is stable, the system exhaust is concentrated, the return water is concentrated, the noise is small, the equipment can be directly against the wall, saving space; the temperature can be precisely controlled.

Description of drawings:

Fig. 1 is a structural representation of the utility model.

Fig. 2 is a schematic diagram of the internal structure of the utility model.

Detailed ways:

As shown in Figures 1 to 2: the utility model includes a box body 1, a test door 2, a control panel 3, a primary filter 7, a water supply container 9, a water pump 81, a supply water cup 61, a humidifier 64, and an overtemperature protector 6. There is a test door 2 and a control panel 3 on the box body 1. There is a test box inside the box body 1. There is a water tank at the bottom of the test box. A central drain pipe 12 is provided at the central intersection of the water tank. The edge of the test box An overflow drain pipe 11 is provided, an air inlet channel 5 is provided at the lower end of the test box, and a compressor, a condenser, and an exhaust fan are arranged in the channel 5, and an exhaust port 101 communicated with the air inlet channel 5 is provided at the upper end of the box body 1, and the box body 1 is provided with a water supply container 9, a water pump 81, a primary filter 7, and a secondary filter 8. The water supply container 9 is connected to the water pump 81 through a pipeline, and the water pump 81 is connected to the supply water cup 61 through the water inlet pipeline 71. The supply water cup 61 It is connected with the water inlet of the primary water level controller 62, and the lateral water supply port of the primary water level controller 62 is connected with the gauze groove 102 through the No. 1 connecting pipe 75, and the No. 1 connecting pipe 75 is provided with a No. The exhaust pipe 73 is connected to the balance hole 72, the water supply port at the bottom of the primary water level controller 62 is connected to the water inlet of the secondary water level controller 63 through the second connecting pipe 77, and the water supply port of the secondary water level controller 63 is connected to the water supply pipe No. 3 66 is in communication with humidifier 64, the overflow of secondary water level controller 63 is in communication with No. 1 overflow pipe 76 and return pipe 79 through No. 2 overflow pipe 78, and the outlet of humidifier 64 is in communication with return pipe 79 through valve 103 , the water return pipe 79 is connected to the balance hole 72 of the second exhaust pipe 74 and the air discharge, the water return pipe 79, the center drain pipe 12, the overflow drain pipe 11 are connected to the first-stage filter 7, and the first-stage filter 7 is connected to the first-stage filter. The secondary filter 8 is connected, the secondary filter 8 is connected to the water supply container 9 through a spiral tube 91 , and the humidifier 64 is electrically connected to the controller 65 .

The primary filter 7 is connected to the secondary filter 8, and there are three situations in its filtration: (1), when the water pump 81 works, the water discharged from the return pipe 79, the central drain pipe 12, and the overflow drain pipe 11 is filtered at the first stage After sedimentation and filtration in the device 7, it is filtered again by the secondary filter 8 and enters the water inlet pipe 71 to enter the equipment for use; (2), when the water pump 81 is not working, the return pipe 79, the central drain pipe 12, and the overflow drain pipe 11 After the discharged water is precipitated and filtered in the primary filter 7, after being filtered again by the secondary filter 8, it enters the water supply container 9 for storage; 12. When there is no water discharged from the overflow drain pipe 11, the water pump 81 directly passes the water filtered by the secondary filter 8 from the water supply container 9 into the water inlet pipe 71 to enter the equipment for use.

The test door 2 is provided with an observation window 21 and a handle 22 .

The test box body is provided with a test through hole 23, and the box body 1 is provided with a temperature overload protector 6. One end of the temperature overload protector 6 is arranged in the test box of the box body, and one end is connected to a humidifier 64, which can ensure that the test The temperature inside the box and the humidifier will not be overloaded.

The lower end of the box body 1 is provided with a maintenance door 5, and the two sides of the maintenance door 5 are provided with an air inlet passage 51. The cold air enters from the lower air inlet passage 51 and is discharged from the only air outlet 101, allowing the compressor, condensation The air intake channel 51 is also provided with a filter screen 52, and the maintenance door 5 is a movable structure. After opening, the refrigeration system and the condenser installed in the rear can be directly cleaned, and the drawer 4 can be pulled open. Directly add water in the water supply container 9, easy to operate.

The left, right and rear sides of the cabinet are closed without openings. The left, right and rear sides of the equipment can be placed directly against the wall, saving space and improving the applicability of the site. The exhaust outlet 101 can be connected to the system exhaust pipe upwards, which is convenient for installation , while reducing the running noise of the whole machine; the whole system is designed scientifically, with induction control, timely water replenishment and water supply, which completely solves the machine failures caused by water replenishment, untimely water supply, and unbalanced air pressure. At the same time, the overflowing water is also recycled; circulation Use to effectively solve the problem of water overflow failure.

The above is only a preferred embodiment of the utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the utility model patent application scope are all included in the utility model patent application scope .

Claims (4)

1. A novel constant temperature and humidity testing machine, which comprises a casing (1), a test door (2), a control panel (3), a primary filter (7), a water supply container (9), a water pump (81), Supply water cup (61), humidifier (64), and over-temperature protector (6), characterized in that: the box body (1) is provided with a test door (2), a control panel (3), and inside the box body (1) There is a test box, the bottom of the test box is provided with a water tank, the central intersection of the water tank is provided with a central drain pipe (12), the edge of the test box is provided with an overflow drain pipe (101), and the air inlet channel (5) at the lower end of the test box , the channel (5) is provided with a compressor, a condenser, and an exhaust fan, the upper end of the box (1) is provided with an air outlet (11) communicating with the air inlet channel (5), and the side of the box (1) is provided with There are water supply container (9), water pump (81), primary filter (7), secondary filter (8), water supply container (9) is connected with water pump (81) through pipeline, and water pump (81) passes water inlet pipeline (71) is connected with the supply water cup (61), and the supply water cup (61) is connected with the water inlet of the first-level water level controller (62), and the side water supply port of the first-level water level controller (62) is connected to the gauze groove (102) through No. 1 Connecting pipe (75) conduction, No. 1 connecting pipe (75) is provided with No. 1 exhaust pipe (73), No. 1 exhaust pipe (73) and balance hole (72) conducting, primary water level controller (62 ) bottom water supply port is connected with the water inlet of the secondary water level controller (63) through No. 2 connecting pipe (77), and the water supply port of the secondary water level controller (63) is connected The outlet of the secondary water level controller (63) is connected to the No. 1 overflow pipe (76) and return pipe (79) through the No. 2 overflow pipe (78), and the outlet of the humidifier (64) is connected through the valve (103) Connected with the return pipe (79), the return pipe (79) is connected with the balance hole (72) through the No. The drain pipe (11) is connected to the primary filter (7), the primary filter (7) is connected to the secondary filter (8), and the secondary filter (8) is connected to the water supply container (9) through a spiral tube (91) is connected, and the humidifier (64) is electrically connected with the controller (65). 2. A novel constant temperature and humidity testing machine according to claim 1, characterized in that: the test door (2) is provided with an observation window (21) and a handle (22). 3. A novel constant temperature and humidity testing machine according to claim 1, characterized in that: said test box is provided with a test through hole (23). 4. A new type of constant temperature and humidity testing machine according to claim 1, characterized in that: the lower end of the box (1) is provided with a maintenance door (5), and both sides of the maintenance door (5) are provided with air inlets. channel (51).