CN218033771U

CN218033771U - Gas thermostat

Info

Publication number: CN218033771U
Application number: CN202222024603.8U
Authority: CN
Inventors: 杨超; 胡辉华; 裴俊; 邓添强; 林祥汇
Original assignee: Zhongshan Huaxi Electronics Technology Co ltd
Current assignee: Zhongshan Huaxi Electronics Technology Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-12-13
Anticipated expiration: 2032-08-02

Abstract

The utility model discloses a gas constant temperature device, which comprises a heating and refrigerating unit, a heat preservation water tank, a heat exchanger, an air inlet pipeline and an air outlet pipeline, wherein the heat exchanger is fixed in the heat preservation water tank; the gas temperature detection device is characterized in that a first temperature detector used for detecting the temperature of gas in the gas inlet pipeline is arranged in the gas inlet pipeline, a second temperature detector used for detecting the temperature of gas in the gas outlet pipeline is arranged in the gas outlet pipeline, and a third temperature detector used for detecting the temperature of water in the heat preservation water tank is arranged on the heat preservation water tank. The utility model discloses can make the gas keep constant temperature, promote gas equipment's testing result's accuracy.

Description

Gas thermostat

Technical Field

The utility model belongs to the technical field of the auxiliary device technique for gas equipment detects and specifically relates to a gas constant temperature equipment.

Background

Gas equipment such as a gas stove, a gas water heater and the like needs to be strictly detected when leaving a factory so as to ensure the safety and the stable performance of the gas equipment. National standards such as GB16410, GB6932 and GB25034 all make specific provisions on the heat load and heat efficiency test of the gas equipment, the gas temperature also participates in the calculation, and the high and low of the gas temperature can influence the test result. Particularly, in summer high-temperature weather, due to the fact that the gas pipeline is exposed to the sun or the environment temperature is high, the gas temperature is very high, heat in the gas is superposed with heat generated by combustion of the gas, and a heat efficiency test result is high; in winter, the outdoor environment temperature is low, which causes the gas temperature to be low and the result of the heat efficiency test to be correspondingly low. The current gas detection equipment does not have a temperature regulation and control measure aiming at the gas temperature, so that the gas temperature is not uniform, and the detection result of the gas detection equipment is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a gas constant temperature equipment can make the gas keep constant temperature, has promoted the accuracy of gas equipment's testing result.

In order to solve the above problem, the utility model adopts the following technical scheme:

the embodiment of the utility model provides a gas constant temperature equipment, including heating refrigeration unit, holding water tank, heat exchanger, air inlet pipeline and gas outlet pipeline, the heat exchanger is fixed in holding water tank, air inlet pipeline and gas outlet pipeline all link to each other with the heat exchanger, the water inlet pipeline and the water outlet pipeline of heating refrigeration unit all link to each other with holding water tank; the gas temperature detection device is characterized in that a first temperature detector used for detecting the temperature of gas in the gas inlet pipeline is arranged in the gas inlet pipeline, a second temperature detector used for detecting the temperature of gas in the gas outlet pipeline is arranged in the gas outlet pipeline, and a third temperature detector used for detecting the temperature of water in the heat preservation water tank is arranged on the heat preservation water tank.

In some embodiments, the heat exchanger is further connected with a condensate discharging pipeline, the condensate discharging pipeline extends out of the heat preservation water tank, and a condensate discharging control valve is arranged in the condensate discharging pipeline.

In some embodiments, the heat exchanger comprises a cold fluid inlet, a cold fluid outlet, a hot fluid inlet, and a hot fluid outlet, wherein the cold fluid inlet is connected to the inlet line, the cold fluid outlet is connected to the hot fluid inlet, and the hot fluid outlet is connected to the outlet line.

In some embodiments, the first temperature probe, the second temperature probe, and the third temperature probe are each electrically connected to a controller of the heating and cooling unit.

In some embodiments, an intake control valve, a first filter, a pressure gauge, and a flow meter are further disposed in the intake line.

In some embodiments, a water inlet control valve, a second filter, a circulating pump and a flow switch are arranged in the water inlet pipeline.

In some embodiments, the heat preservation water tank is connected with a water replenishing pipeline, and a water replenishing control valve is arranged in the water replenishing pipeline.

In some embodiments, a drain line is connected to the bottom of the thermal insulation water tank, and a drain control valve is arranged in the drain line.

In some embodiments, a top of the holding water tank is connected with a water overflow pipeline.

In some embodiments, the surfaces of the air inlet pipeline, the air outlet pipeline, the water inlet pipeline, the water outlet pipeline and the heat preservation water tank are all wrapped with heat preservation cotton.

The utility model discloses following beneficial effect has at least: the utility model discloses a temperature in the heat preservation water tank can be adjusted to the heating refrigeration unit, and after the gas in the air inlet pipeline entered into the heat exchanger, water through in heat exchanger and the holding water tank carries out the heat exchange to adjust the temperature of gas, make the invariable gas of air outlet pipeline output temperature, use this kind of homothermal gas to detect gas equipment, the detection data of acquisition will be more accurate.

Drawings

Fig. 1 is a schematic structural view of a gas thermostat according to an embodiment of the present invention.

Wherein the reference numbers are:

a heating and refrigerating unit 100, a water inlet pipeline 110, a water inlet control valve 111, a second filter 112, a circulating pump 113, a flow switch 114, a water outlet pipeline 120 and a water outlet control valve 121;

the heat preservation water tank 200, the third temperature detector 210 and the heat exchanger 300;

an air inlet pipeline 400, a first temperature detector 410, an air inlet control valve 420, a first filter 430, a pressure gauge 440 and a flow meter 450;

an air outlet pipeline 500, a second temperature detector 510 and an air outlet control valve 520;

a condensed water discharge pipeline 600, a condensed water discharge control valve 610;

a water replenishing pipeline 700, a water replenishing control valve 710, a water discharging pipeline 800, a water discharging control valve 810 and an overflow pipeline 900.

Detailed Description

The present disclosure provides the following description with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the disclosure as defined by the claims and their equivalents. The description includes various specific details to aid understanding, but such details are to be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

The terms and words used in the following description and claims are not limited to the literal meanings, but are used by the inventors to enable a clear and consistent understanding of the disclosure. Accordingly, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present disclosure are provided for illustration only and not for the purpose of limiting the disclosure as defined by the appended claims and their equivalents.

The terms "having," "may have," "including," or "may include" used in various embodiments of the present disclosure indicate the presence of the respective functions, operations, elements, etc., disclosed, but do not limit additional one or more functions, operations, elements, etc. Furthermore, it should be understood that the terms "comprises" or "comprising," when used in various embodiments of the present disclosure, are intended to indicate the presence of the stated features, numbers, operations, elements, components, or combinations thereof, but do not preclude the presence or addition of one or more other features, numbers, operations, elements, components, or combinations thereof.

It will be understood that when an element (e.g., a first element) is "connected" to another element (e.g., a second element), the element can be directly connected to the other element or intervening elements (e.g., a third element) may be present.

The embodiment of the utility model provides a gas constant temperature equipment, as shown in fig. 1, it is including heating refrigerator group 100, holding water box 200, heat exchanger 300, air inlet pipeline 400 and air outlet pipeline 500, the water inlet pipeline 110 and the outlet pipeline 120 of heating refrigerator group 100 all link to each other with holding water box 200, water in holding water box 200 enters into heating refrigerator group 100 through water inlet pipeline 110, heating refrigerator group 100 heats or refrigerates its inside water that gets into, make water reach the temperature of setting for, flow into holding water box 200 through outlet pipeline 120 again, can make the water among the holding water box 200 keep at the temperature of setting for from this. The heat exchanger 300 is fixed in the holding water tank 200, concretely, the heat exchanger 300 can be submerged by the water in the holding water tank 200 to exchange heat more fully, the air inlet pipeline 400 and the air outlet pipeline 500 are both connected with the heat exchanger 300, after the gas in the air inlet pipeline 400 enters the heat exchanger 300, the heat exchange is carried out through the heat exchanger 300 and the water in the holding water tank 200, so as to adjust the temperature of the gas, so that the air outlet pipeline 500 outputs the gas with constant temperature, the gas equipment is detected by using the constant-temperature gas, and the obtained detection data are more accurate.

Meanwhile, a first temperature detector 410 for detecting the temperature of the gas in the gas inlet pipeline 400 is arranged in the gas inlet pipeline 400, a second temperature detector 510 for detecting the temperature of the gas in the gas outlet pipeline 500 is arranged in the gas outlet pipeline 500, and a third temperature detector 210 for detecting the temperature of the water in the heat-insulating water tank 200 is arranged on the heat-insulating water tank 200. The power of the heating and refrigerating unit 100 is adjusted by the temperature detected by the first temperature detector 410 and the temperature detected by the second temperature detector 510, so that the water temperature in the holding water tank 200 is changed, whether the water temperature in the holding water tank 200 reaches the temperature to be controlled by the heating and refrigerating unit 100 can be judged by the temperature detected by the third temperature detector 210, and whether the finally output gas temperature reaches the gas set temperature can be judged by the temperature detected by the second temperature detector 510. Therefore, the temperature of the fuel gas can be controlled more accurately.

There are two specific embodiments for controlling the temperature of the combustion gas. In one embodiment, an operator can read the temperature detected by the first temperature detector 410 and the temperature detected by the second temperature detector 510, manually calculate the power that needs to be output by the heating and cooling unit 100, and then adjust the power of the heating and cooling unit 100 to the calculated power to control the temperature of the fuel gas.

In another embodiment, the first temperature detector 410, the second temperature detector 510, and the third temperature detector 210 are all electrically connected to a controller of the heating and refrigerating unit 100, the controller obtains the temperatures detected by the first temperature detector 410, the second temperature detector 510, and the third temperature detector 210, calculates the power required to be output by the heating and refrigerating unit 100 according to a related algorithm, and controls the heating and refrigerating unit 100 to operate at the power, so as to perform thermostatic control on the temperature of the fuel gas.

In some embodiments, the heat exchanger 300 is further connected with a condensed water discharging pipeline 600, since the fuel gas contains certain moisture, if the fuel gas is required to keep low temperature, condensed water can stay in the heat exchanger 300, the condensed water can be discharged through the condensed water discharging pipeline 600, and the pipeline blockage caused by the condensed water is avoided. The condensed water discharge pipe 600 extends out of the heat-insulating water tank 300 so as to be discharged out of the heat-insulating water tank 300, thereby avoiding affecting the temperature of water in the heat-insulating water tank 300. Meanwhile, the drain and condensate water control valve 610 is provided in the drain and condensate water pipeline 600, the drain and condensate water control valve 610 is opened when water drainage is required, and the drain and condensate water control valve 610 may be kept closed when water drainage is not required.

In some embodiments, the heat exchanger 300 includes a cold fluid inlet connected to the inlet line 400, a cold fluid outlet connected to the hot fluid inlet, a hot fluid inlet connected to the outlet line 500, and a hot fluid outlet. Therefore, the cold and hot heat exchange channels of the heat exchanger 300 of the embodiment are connected in series, so that the heat exchange distance of fuel gas can be prolonged, and the heat exchange effect is improved.

In some embodiments, an intake control valve 420, a first filter 430, a pressure gauge 440, and a flow meter 450 are also disposed in the intake conduit 400. The intake control valve 420 may control the intake pipe 400 to be conducted or not, the first filter 430 may filter the gas to prevent impurities from blocking the pipe, the pressure gauge 440 may detect the gas pressure, and the flow meter 450 may detect the intake flow rate. The pressure gauge 440 and the flow meter 450 may be electrically connected to a controller of the heating and cooling unit 100 to send the detected pressure and flow to the controller, which facilitates the controller to control the temperature of the gas more accurately.

In some embodiments, an outlet control valve 520 is further disposed in the outlet conduit 500 to control the outlet conduit 500 to be conductive or non-conductive.

In some embodiments, a water inlet control valve 111, a second filter 112, a circulation pump 113, and a flow switch 114 are disposed in the water inlet line 110. The water inlet control valve 111 may control the water inlet line 110 to be turned on or off, the second filter 112 to filter water, and the circulation pump 113 to power the flow of water so that the water may circulate in the heating and refrigerating unit 100 and the warming water tank 200. The flow switch 114 functions as a current limiting protection.

In some embodiments, a water replenishing pipeline 700 is connected to the holding water tank 200, and a water replenishing control valve 710 is disposed in the water replenishing pipeline 700, so that water in the holding water tank 200 can be maintained above a set water level by replenishing water into the holding water tank 200 through the water replenishing pipeline 700.

Further, a drain line 800 is connected to the bottom of the thermal insulation water tank 200, a drain control valve 810 is disposed in the drain line 800, and after the drain line 800 is opened, waste water or excess water of the thermal insulation water tank 200 can be drained, so that the quality and level of water in the thermal insulation water tank 200 can be effectively controlled.

Further, the top of the thermal insulation water tank 200 is connected with an overflow pipe 900, when the thermal insulation water tank 200 exceeds the connection position of the overflow pipe 900 and the thermal insulation water tank 200, water can be automatically discharged through the overflow pipe 900, and the protection effect of preventing water from being overfilled is achieved.

In some embodiments, the surfaces of the air inlet pipeline 400, the air outlet pipeline 500, the water inlet pipeline 110, the water outlet pipeline 120 and the heat preservation water tank 200 are all wrapped with heat preservation cotton to play a role in heat preservation and avoid external interference. The surface of the drain line 800 may also be wrapped with insulation wool.

The utility model also provides a homothermal gas equipment detection device of gas, including the gas constant temperature equipment of above-mentioned arbitrary embodiment, above-mentioned embodiment can be referred to the concrete description about gas constant temperature equipment, no longer gives unnecessary details here.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model discloses to the ordinary technical person of technical field, under the prerequisite that does not deviate from the utility model discloses the design, can also make a plurality of simple deductions or replacement.

Claims

1. The utility model provides a gas constant temperature equipment which characterized in that: the heat-insulation water tank heat-insulation system comprises a heating and refrigerating unit, a heat-insulation water tank, a heat exchanger, an air inlet pipeline and an air outlet pipeline, wherein the heat exchanger is fixed in the heat-insulation water tank; the gas temperature detection device is characterized in that a first temperature detector used for detecting the temperature of gas in the gas inlet pipeline is arranged in the gas inlet pipeline, a second temperature detector used for detecting the temperature of gas in the gas outlet pipeline is arranged in the gas outlet pipeline, and a third temperature detector used for detecting the temperature of water in the heat preservation water tank is arranged on the heat preservation water tank.

2. The gas thermostat of claim 1, wherein: the heat exchanger is also connected with a condensate discharging pipeline which extends out of the heat preservation water tank, and a condensate discharging control valve is arranged in the condensate discharging pipeline.

3. The gas thermostat of claim 1, wherein: the heat exchanger comprises a cold fluid inlet, a cold fluid outlet, a hot fluid inlet and a hot fluid outlet, wherein the cold fluid inlet is connected with an air inlet pipeline, the cold fluid outlet is connected with the hot fluid inlet, and the hot fluid outlet is connected with an air outlet pipeline.

4. A gas thermostat according to any one of claims 1-3, characterized in that: and the first temperature detector, the second temperature detector and the third temperature detector are all electrically connected with a controller of the heating and refrigerating unit.

5. A gas thermostat according to any one of claims 1-3, characterized in that: and the air inlet pipeline is also provided with an air inlet control valve, a first filter, a pressure gauge and a flowmeter.

6. A gas thermostat according to any one of claims 1-3, characterized in that: and a water inlet control valve, a second filter, a circulating pump and a flow switch are arranged in the water inlet pipeline.

7. A gas thermostat according to any one of claims 1-3, characterized in that: the heat preservation water tank is connected with a water replenishing pipeline, and a water replenishing control valve is arranged in the water replenishing pipeline.

8. The gas thermostat of claim 7, wherein: the bottom of the heat-preservation water tank is connected with a drainage pipeline, and a drainage control valve is arranged in the drainage pipeline.

9. The gas thermostat of claim 7, wherein: the top of the heat preservation water tank is connected with an overflow pipeline.

10. A gas thermostat according to any one of claims 1-3, characterized in that: the surfaces of the air inlet pipeline, the air outlet pipeline, the water inlet pipeline, the water outlet pipeline and the heat preservation water tank are all wrapped with heat preservation cotton.