CN207230950U - The gas heater of adaptive height above sea level - Google Patents

Abstract

The utility model relates to an altitude adaptive gas water heater, which comprises a burner, a fan, a gas valve, a detection element and a control device. The fan is connected with the burner, and the gas valve is connected with the air inlet of the burner; For detecting air pressure information; the control device has a signal input end and a signal output end, the signal output end of the detection element is connected to the signal input end of the control device, and the signal input end of the fan and gas valve is connected to the signal output end of the control device. The air pressure (altitude) of the environment where the gas water heater is located is detected by the detection element, and fed back to the control device. According to the air pressure (altitude) information detected by the detection element, the control device matches the controlled fan and gas valve, so that the gas water heater can achieve a better heat load, complete automatic control and adjustment, and is convenient to use. And make the gas water heater run in the best state, the combustion condition meets the performance and safety requirements of the product, and ensures the stability of product quality.

Description

Altitude-adaptive gas water heater

technical field

The utility model relates to the technical field of gas water heaters, in particular to an altitude-adaptive gas water heater.

Background technique

A gas water heating device usually uses gas as fuel, and transfers energy to cold water flowing through a heat exchanger through combustion heating to achieve the purpose of preparing hot water. Its specific forms include wall-hung boilers, gas water heaters, etc. Generally, gas-fired water heating devices mainly include: burners, heat exchangers, proportional valves, fans and other components.

At present, most of the gas water heaters on the market are only suitable for low-altitude areas. Since the boiling point of water in high-altitude areas is relatively low, and the air pressure value is also relatively small, if the gas water heaters work in plain areas, the gas will not be fully burned. , to prolong the heating time. In this way, energy is wasted and the user's usage time is delayed.

The existing high-altitude gas-fired water heaters mainly manually adjust the optimal heat load parameters and corresponding air volume parameters according to the altitude of the user's area. This method is inconvenient to operate, and the preset altitude corresponding to the manual adjustment of various parameters is different from the actual one. There are easy differences between altitudes, resulting in the stability of product quality cannot be guaranteed.

Utility model content

The technical problem solved by the utility model is to provide an altitude-adaptive gas water heater with convenient use and high product quality stability.

Above-mentioned technical problem is solved by following technical scheme:

Altitude-adaptive gas water heaters, including:

burner;

a fan connected to the burner for driving air to the burner;

a gas valve connected to the air inlet of the burner;

The gas water heater also includes:

The detection element is used to detect air pressure information;

The control device has a signal input end and a signal output end, the signal output end of the detection element is connected to the signal input end of the control device, the signal input end of the fan and the gas valve is connected to the signal input end of the control device output connection.

Compared with the background technology, the self-adaptive gas water heater described in the utility model has the following technical effects:

The air pressure (altitude) of the environment where the gas water heater is located is detected by the detection element, and fed back to the control device. According to the air pressure (altitude) information detected by the detection element, the control device matches the controlled fan and gas valve, so that the gas water heater can achieve a better heat load, complete automatic control and adjustment, and is convenient to use. And make the gas water heater run in the best state, the combustion condition meets the performance and safety requirements of the product, and ensures the stability of product quality.

In one embodiment, the detection element is an air pressure sensor.

In one of the embodiments, the fan is a stepless speed-adjustable fan.

In one of the embodiments, the gas valve is an electronically controlled gas proportional valve.

In one of the embodiments, the control device is used to control the rotation speed parameter of the fan and/or the current parameter of the gas valve.

In one of the embodiments, the control device includes a memory that stores the corresponding relationship between the air pressure information of the environment where the gas water heater is located and the rotational speed parameter of the fan and the current parameter of the gas valve, and controls the The controller of the speed parameter of the fan and/or the current parameter of the gas valve.

In one embodiment, when the gas water heater is in the running state, the controller stops controlling the speed parameter of the fan and/or the current parameter of the gas valve.

In one of the embodiments, the air pressure information of the environment where the gas water heater is located corresponds to different altitudes;

When the altitude change difference is less than 10 meters, the controller stops controlling the rotation speed parameter of the fan and/or the current parameter of the gas valve.

In one embodiment, the gas water heater further includes a temperature sensing device, the signal output end of the temperature sensing device is connected to the signal input end of the control device; and/or

The gas water heater also includes a humidity sensor, and the signal output end of the humidity sensor device is connected to the signal input end of the control device.

In one of the embodiments, the fan is a down blower fan, and the fan is located below the burner; or

The fan is an updraft fan, and the fan is located above the burner.

Description of drawings

Fig. 1 is a schematic structural view of an altitude-adaptive gas water heater in an embodiment of the present invention;

Fig. 2 is a structural block diagram of the control device for the altitude-adaptive gas water heater shown in Fig. 1 .

Detailed ways

In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. Preferred embodiments of the present utility model are provided in the accompanying drawings. However, the invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present utility model more thorough and comprehensive.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of illustration only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this invention. The terminology used in the description of the utility model herein is only for the purpose of describing specific embodiments, and is not intended to limit the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in FIG. 1 , an altitude-adaptive gas water heater 10 in an embodiment of the present invention includes a burner 12 , a fan 14 , a gas valve 16 , a detection element (not shown) and a control device 18 .

The fan 14 is connected with the burner 12 for driving air to flow to the burner 12 , and the gas valve 16 is connected with the air inlet of the burner 12 . The detection element is used to detect air pressure information. The control device 18 has a signal input end and a signal output end. The signal output end of the detection element is connected to the signal input end of the control device 18. The signal output terminal connection.

The altitude-adaptive gas water heater 10 in the utility model detects the air pressure (altitude) of the environment where the gas water heater 10 is located through a detection element, and feeds back to the control device 18 . The control device 18 matches and controls the gas valve 16 and the fan 14 according to the air pressure (altitude) information detected by the detection element, so that the gas water heater 10 can achieve a better thermal load and run in the best state, so that the combustion conditions can meet the requirements of the product. performance and safety requirements. In this way, the self-adaptation to the altitude is realized, the automatic control adjustment is completed, the use is convenient, and the stability of product quality is guaranteed.

Specifically, in one embodiment, the detection element is an air pressure sensor, which is integrated in the control device 18 and can detect the air pressure information of the environment where the gas water heater 10 is located, so as to determine the altitude at which it is located. The fan 14 is a stepless speed-regulating fan 14, and the gas valve 16 is an electronically controlled gas proportional valve.

In one embodiment, the control device 18 is specifically used to adjust the rotational speed parameter of the fan 14 and/or the current parameter of the gas valve 16 . For example, in one embodiment, if the change in altitude is small, it is only necessary to adjust the speed parameter of the fan 14; Current parameters, thereby adjusting the speed of the fan 14 and the opening value of the gas valve 16.

It should be understood that during the working process of the gas water heater 10 , the blower 14 rotates rapidly to drive the air flow, so as to burn the gas in the burner 12 . During the rotation of the fan 14 , a negative pressure will be formed upstream of the fan 14 , and the existence of the negative pressure will drive the air flow towards the fan 14 , thereby realizing the air flow in the gas water heater 10 . It can be seen that as long as the negative pressure is maintained, the burner 12 will maintain a certain combustion-supporting air flow rate, and by controlling the opening of the gas valve 16, the amount of intake air entering the burner 12 will remain stable. In this way, the gas water heater can be guaranteed 10 Maintain a steady heat load. The altitude-adaptive gas water heater 10 in the utility model can automatically identify the air pressure (altitude) of the environment where the gas water heater 10 is located, and the controller automatically controls the gas valve 16 and the fan 14 to make the burner 12 achieve a better thermal load.

In one embodiment, the control device 18 includes a memory 182 that stores the corresponding relationship between the air pressure information of the environment where the gas water heater 10 is located and the rotational speed parameter of the fan 14 and the current parameter of the gas valve 16, and controls the rotational speed parameter of the fan 14 and the current parameter of the gas valve 16 according to the corresponding relationship. / or the controller 184 of the current parameter of the gas valve 16 .

Furthermore, when the gas water heater 10 is running, the corresponding relationship between the air pressure information and the optimal heat load at different altitudes can be calculated according to the set temperature of the gas water heater 10, the actual water flow rate, and the inlet water temperature, so as to obtain the corresponding air pressure information The corresponding relationship with the rotational speed parameter of the fan 14 and the current parameter of the gas valve 16 is stored in the memory 182, and the controller 184 controls the water heater according to the corresponding relationship. Specifically, the corresponding relationship may be stored in the memory 182 in the form of a data table correspondingly recording the air pressure information, the altitude, the rotational speed parameter of the fan 14 and the current parameter of the gas valve 16 . In this way, the gas water heater 10 can be controlled to achieve a better heat load according to the change of altitude accurately.

Further, when the gas water heater 10 is in the running state, the controller 184 stops controlling the speed parameter of the fan 14 and/or the current parameter of the gas valve 16 . In this way, the stability of the operation of the gas water heater 10 is prevented from being affected by small fluctuations in ambient atmospheric pressure, and the reliability of the gas water heater 10 is further improved.

Further, the air pressure information of the environment where the gas water heater 10 is located corresponds to different altitudes; when the altitude difference is less than 10 meters, the controller 184 stops controlling the speed parameter of the fan 14 and/or the current parameter of the gas valve 16 . Specifically, the air pressure information of the environment where the gas water heater 10 is located corresponds to different altitudes, and as the altitude changes, the air pressure information changes accordingly. When the altitude change is less than 10 meters and the air pressure information changes within a certain range, the controller 184 stops controlling the speed parameter of the fan 14 and the current parameter of the gas valve 16 . In this way, the stability of the gas water heater 10 is prevented from being affected by small fluctuations in ambient atmospheric pressure, and the reliability of the gas water heater 10 is further improved.

In one embodiment, the gas water heater 10 also includes a temperature sensing device (not shown), the signal output end of the temperature sensing device is connected to the signal input end of the control device 18; and/or the gas water heater 10 also includes a humidity sensor, The signal output of the humidity sensor device is connected to the signal input of the control device 18 . Specifically, when the gas water heater 10 is running, the corresponding relationship between the air pressure information, temperature information and humidity information and the optimal heat load at different altitudes can be calculated according to the set temperature of the gas water heater 10, the actual water flow rate, and the inlet water temperature. , so as to correspondingly obtain the corresponding relationship between the air pressure information, temperature information and humidity information, the speed parameter of the fan 14 and the current parameter of the gas valve 16, store the corresponding relationship in the memory 182, and the controller 184 controls the water heater according to the corresponding relationship.

In this way, the detection accuracy of the altitude is improved, the adjustment accuracy of the gas water heater 10 at different altitudes is ensured, and the quality of the product is guaranteed.

In one embodiment, the gas water heater 10 further includes a heat exchanger 11 and a smoke collection hood 13 , the lower part of the heat exchanger 11 is connected to the burner 12 , and the upper part is connected to the smoke collection hood 13 . Further, along the flow direction of the combustion air, the heat exchanger 11 is located downstream of the burner 12 , that is, above the burner 12 . The gas and combustion-supporting air are combusted in the burner 12, so that the high-temperature flue gas after the burner 12 is combusted can exchange heat with the heat exchanger 11, and transfer the heat generated by the combustion to the water to be heated. Specifically, in one embodiment, the heat exchanger 11 is a finned tube heat exchanger.

It can be understood that the fan 14 can be a down-drum fan or an up-draft fan, and the fan 14, the burner 12 and the heat exchanger 11 are connected to form an air flow channel. In some embodiments, the fan 14 is a lower blower fan 14, and the fan 14 is located below the burner 12 and communicates with the air inlet located at the lower part of the burner 12; in other embodiments, the fan 14 is an updraft fan, The fan 14 is installed above the heat exchanger 11 and can also provide airflow power.

Specifically, in the embodiment shown in FIG. 1 , the blower fan 14 is a bottom blower fan, and the smoke collecting hood 13 is connected to the upper part of the heat exchanger 11 for collecting smoke. In some other embodiments, the fan 14 is an updraft fan 14 , and the fan 14 can be arranged between the heat exchanger 11 and the fume collecting hood 13 to provide power for air flow.

In one embodiment, the gas water heater 10 also includes a water inlet pipe 15 and a water outlet pipe 17, the heat exchanger 11 has a water inlet and a water outlet, the water inlet of the heat exchanger 11 communicates with the water inlet pipe 15, the outlet of the heat exchanger 11 The water outlet communicates with the water outlet pipe 17. In this way, the water flow is discharged from the water outlet pipe 17 after being heated by the heat exchanger 11 .

The self-adaptive gas water heater 10 in the utility model has the following advantages:

1) The air pressure (altitude) of the environment where the gas water heater 10 is located is detected by the detection element, and fed back to the control device 18 . The control device 18 matches and controls the blower fan 14 and the gas valve 16 according to the air pressure (altitude) information detected by the detection element, so that the gas water heater 10 achieves a better heat load, completes automatic control and adjustment, and is convenient to use.

2) The gas water heater 10 is self-adaptively adjusted at different altitudes, so that the gas water heater operates in the best state, and the combustion conditions meet the performance and safety requirements of the product, ensuring the stability of product quality.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the utility model, and the description thereof is relatively specific and detailed, but it should not be understood as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (10)

1. the gas heater (10) of adaptive height above sea level, including：

Burner (12)；

Wind turbine (14), is connected with the burner (12), for driving air to flow to the burner (12)；

Gas valve (16), is connected with the air inlet of the burner (12)；

It is characterized in that, the gas heater (10) further includes：

Detecting element, for detecting pressure information；

Control device (18), has signal input part and signal output part, the signal output part of the detecting element and the control The signal input part connection of device (18) processed, the signal input part and the control of the wind turbine (14) and the gas valve (16) The signal output part connection of device (18).

2. the gas heater (10) of adaptive height above sea level according to claim 1, it is characterised in that the detecting element is Baroceptor.

3. the gas heater (10) of adaptive height above sea level according to claim 1, it is characterised in that the wind turbine (14) is Stepless time adjustment wind turbine.

4. the gas heater (10) of adaptive height above sea level according to claim 1, it is characterised in that the gas valve (16) For electric-controlled gas proportioning valve.

5. the gas heater (10) of adaptive height above sea level according to claim 1, it is characterised in that the control device (18) it is used to control the rotary speed parameter of the wind turbine (14) and/or the current parameters of the gas valve (16).

6. the gas heater (10) of adaptive height above sea level according to claim 5, it is characterised in that the control device (18) include storing the pressure information of gas heater (10) local environment and the rotary speed parameter of the wind turbine (14) and institute The memory (182) of the current parameters correspondence of gas valve (16) is stated, and the wind turbine is controlled according to the correspondence (14) rotary speed parameter and/or the controller (184) of the current parameters of the gas valve (16).

7. the gas heater (10) of adaptive height above sea level according to claim 6, it is characterised in that when the gas and hot water Device (10) is in operating status, and the controller (184) stops controlling the rotary speed parameter of the wind turbine (14) and/or the combustion gas The current parameters of valve (16).

8. the gas heater (10) of adaptive height above sea level according to claim 6, it is characterised in that the gas heater (10) pressure information of local environment corresponds to different height above sea levels；

When height above sea level change difference is less than 10 meters, the controller (184) stops controlling the rotating speed of the wind turbine (14) The current parameters of parameter and/or the gas valve (16).

9. according to the gas heater (10) of the adaptive height above sea level of claim 1~8 any one of them, it is characterised in that described Gas heater (10) further includes temperature sensing device, the signal output part of the temperature sensing device and the control device (18) signal input part connection；And/or

The gas heater (10) further includes humidity sensor, the signal output part of the humidity sensing device and the control The signal input part connection of device (18).

10. according to the gas heater (10) of the adaptive height above sea level of claim 1~8 any one of them, it is characterised in that described Wind turbine (14) is lower drum-type wind turbine, and the wind turbine (14) is located at below the burner (12)；Or

The wind turbine (14) is upper odd test wind turbine, and the wind turbine (14) is located above the burner (12).