CN204880901U - Damp proof stroke device of return -air - Google Patents
Damp proof stroke device of return -air Download PDFInfo
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- CN204880901U CN204880901U CN201520478379.7U CN201520478379U CN204880901U CN 204880901 U CN204880901 U CN 204880901U CN 201520478379 U CN201520478379 U CN 201520478379U CN 204880901 U CN204880901 U CN 204880901U
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Abstract
The utility model provides a damp proof stroke device of return -air, the gas -liquid mixture cooling agent is from the gas -liquid parent tube that admits air, because liquid cooling agent weighs in gaseous cooling agent, liquid cooling agent admits air behind the parent tube, fall into the bottom of the parent tube that admits air, and extreme lower position under the parent tube user state is being admitted air in separation heat exchange tube setting, make liquid cooling agent get into the separation heat exchange tube, gaseous cooling agent floats on the parent tube upper portion of admitting air, and flow direction gas outlet, get into the compressor unit muffler from the gas outlet, the refrigerant gas of isolating like this can correctly be shunted to the muffler of each compressor, can improve compressor unit's efficiency, simultaneously, the cooling agent of the liquid state that the quilt was isolated is the coolant oil, can get back to among the compressor unit, under -supply problem appears in the oil mass that prevents compressor unit's compression chamber, improve the security performance of compressor.
Description
Technical field
The utility model relates to refrigeration compressor art, particularly relates to the damp proof stroke apparatus of a kind of return-air.
Background technology
In the prior art, due to reasons such as the frosting of evaporation end is serious, radiator fan fault, choke valve imbalances, cause the reduction of disengagement area, make the compressor return air degree of superheat too small, easily make compressor band liquid run, the lubricating oil of dilution compressor, long-play causes the serious wear of compressor, the serious compressor that causes is scrapped, and causes direct economic loss to project installation business and terminal use.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, the purpose of this utility model is, there is provided a kind of return-air damp proof stroke apparatus, have simple and reasonable, flexible operation, cost of manufacture are low, shunting effect good, applied widely, and improve efficiency and the security performance of compressor.
For reaching this object, the utility model comprises: air inlet base tube and the separation heat exchanging pipe be communicated with described air inlet base tube;
The gas vent that described air inlet base tube is provided with gas-liquid import and is communicated with compressor bank muffler, described separation heat exchanging pipe is arranged on the extreme lower position under described air inlet base tube using state, and described heat exchanger tube is away from described gas vent.
Preferably, the using state of described air inlet base tube is the axial horizontal setting along described air inlet base tube;
Described separation heat exchanging pipe is arranged on the lower end of described air inlet base tube, and described gas-liquid import is arranged on the upper end of described air inlet base tube.
Preferably, the center line of described separation heat exchanging pipe and the center line of described gas-liquid import are on same straight line.
Preferably, the overhead gage and lower baffle plate that are connected with tube wall is provided with in described air inlet base tube;
Described overhead gage and described lower baffle plate are staggered in described air inlet base tube, make to form S shape path in described air inlet base tube.
Preferably, described air inlet base tube is provided with separation heat exchanging pipe described at least one.
Preferably, described separation heat exchanging pipe comprises: the liquid storage pipe be communicated with described air inlet base tube and be located at the heat exchanger tube of described liquid storage pipe outside;
Outage is provided with bottom described liquid storage pipe;
The sidewall of described heat exchanger tube is provided with inlet and liquid outlet;
Described inlet and described liquid outlet are oppositely arranged, and the rational height of described inlet is higher than the rational height of described liquid outlet;
Described inlet is provided with feed liquor electric control valve, and described liquid outlet is provided with fluid electric control valve.
Preferably, liquid level sensor is provided with in described liquid storage pipe, described liquid level sensor is electrically connected with described feed liquor electric control valve and described fluid electric control valve respectively, described liquid level sensor is used for the setting position that the liquid height of working as in described liquid storage pipe reaches described liquid level sensor, trigger described liquid level sensor, described feed liquor electric control valve and described fluid electric control valve are opened, high-temp liquid enters in described heat exchanger tube and heats described liquid storage pipe, liquid refrigerant in described liquid storage pipe is evaporated, forms gaseous refrigerant and enter air inlet substrate tube.
Preferably, also comprise: detection module, judge module and the opening module be electrically connected with described feed liquor electric control valve and described fluid electric control valve respectively;
Described detection module, for detecting the degree of superheat of air inlet substrate tube;
Described judge module, for judging whether the degree of superheat of air inlet base tube meets pre-conditioned;
Described opening module, for when judge the degree of superheat of air inlet base tube do not meet described pre-conditioned time, described opening module opens described feed liquor electric control valve and described fluid electric control valve respectively, high-temp liquid enters in described heat exchanger tube and heats described liquid storage pipe, liquid refrigerant in described liquid storage pipe is evaporated, form gaseous refrigerant and enter air inlet substrate tube, the degree of superheat of adjustment air inlet substrate tube.
Preferably, described detection module comprises: temperature detecting unit, pressure sensing cell, acquiring unit and computing unit;
Described temperature detecting unit, for detecting the temperature of air inlet base tube;
Described pressure sensing cell, for detecting the pressure of air inlet base tube;
Described acquiring unit, for obtaining saturation temperature corresponding to described pressure;
Described computing unit, for being calculated the degree of superheat of air inlet base tube by described temperature and described saturation temperature.
Preferably, described judge module comprises: judging unit and identifying unit;
Described judging unit, for judging in preset time period, whether the degree of superheat of air inlet base tube exceeds degree of superheat interval range;
Described identifying unit, for when going out the degree of superheat of air inlet base tube in described preset time period, when exceeding degree of superheat interval range, judges that the degree of superheat of air inlet base tube does not meet described pre-conditioned.
As can be seen from the above technical solutions, the utility model has the following advantages:
Gas-liquid mixed cooling agent enters air inlet base tube from gas-liquid import, cooling agent due to liquid state overweights the cooling agent of gaseous state, after liquid cooling agent enters air inlet base tube, fall into the bottom of air inlet base tube, and separation heat exchanging pipe is arranged on the extreme lower position under air inlet base tube using state, liquid cooling agent is made to enter separation heat exchanging pipe, the cooling agent of gaseous state floats over air inlet base tube top, and flow to gas vent, compressor bank muffler is entered from gas vent, the cold media gas separated like this can correctly be shunted to the muffler of each compressor, the efficiency of compressor bank can be improved, meanwhile, be separated the cooling agent of liquid state and cold oil, can get back in compressor bank, prevent the oil mass of the compression chamber of compressor bank from occurring under-supply problem, improve the security performance of compressor.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical solution of the utility model, be briefly described to the accompanying drawing used required in description below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the front view of the damp proof stroke apparatus embodiment of return-air;
Fig. 2 is the top view of the damp proof stroke apparatus embodiment of return-air;
Fig. 3 is the side view of the damp proof stroke apparatus embodiment of return-air;
Fig. 4 is the A portion method figure of Fig. 1;
Fig. 5 is the schematic diagram of detection module, judge module, opening module;
Fig. 6 is the embodiment schematic diagram of detection module, judge module, opening module.
Detailed description of the invention
For making the purpose of this utility model, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in this specific embodiment, technical scheme in the utility model is clearly and completely described, obviously, the embodiments described below are only the utility model part embodiments, and the embodiment of not all.Based on the embodiment in this patent, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of this patent protection.
The utility model provides the damp proof stroke apparatus of a kind of return-air, refers to Fig. 1, Fig. 2, Fig. 3 and shown in Fig. 4, comprising: air inlet base tube 1 and the separation heat exchanging pipe be communicated with air inlet base tube 1; The gas vent 12 that air inlet base tube 1 is provided with gas-liquid import 2 and is communicated with compressor bank muffler, separation heat exchanging pipe is arranged on the extreme lower position under air inlet base tube 1 using state, and heat exchanger tube is away from gas vent 12.
Be understandable that, under the using state of air inlet base tube 1 can be: level uses, vertical state uses, heeling condition uses, gas-liquid mixed cooling agent enters air inlet base tube 1 from gas-liquid import 2, cooling agent due to liquid state overweights the cooling agent of gaseous state, after liquid cooling agent enters air inlet base tube 1, fall into the bottom of air inlet base tube 1, and separation heat exchanging pipe is arranged on the extreme lower position under air inlet base tube 1 using state, liquid cooling agent is made to enter separation heat exchanging pipe, the cooling agent of gaseous state floats over air inlet base tube 1 top, and flow to gas vent 12, compressor bank muffler is entered from gas vent 12, the cold media gas separated like this can correctly be shunted to the muffler of each compressor, the efficiency of compressor bank can be improved, meanwhile, be separated the cooling agent of liquid state and cold oil, can get back in compressor bank, prevent the oil mass of the compression chamber of compressor bank from occurring under-supply problem, improve the security performance of compressor.
The damp proof stroke apparatus of return-air have simple and reasonable, flexible operation, cost of manufacture are low, shunting effect good, applied widely, and improve efficiency and the security performance of compressor.
In the present embodiment, use under level under the using state of air inlet base tube 1, the using state of air inlet base tube 1 is the axial horizontal setting along air inlet base tube 1; Separation heat exchanging pipe is arranged on the lower end of air inlet base tube 1, and gas-liquid import 2 is arranged on the upper end of air inlet base tube 1.
Preferably, the center line of separation heat exchanging pipe and the center line of gas-liquid import 2 are on same straight line.Such gas-liquid mixed cooling agent enters air inlet base tube 1 from gas-liquid import 2, cooling agent due to liquid state overweights the cooling agent of gaseous state, after liquid cooling agent enters air inlet base tube 1, fall into the bottom of air inlet base tube 1, and the center line of the center line of separation heat exchanging pipe and gas-liquid import 2 is on same straight line, liquid cooling agent falls into separation heat exchanging pipe, better serves the effect of gas-liquid separation.
In order to improve the effect of gas-liquid separation, air inlet base tube 1 is provided with at least one separation heat exchanging pipe.Can arrange multiple separation heat exchanging pipe, in the present embodiment, the axial direction along air inlet base tube 1 arranges multiple separation heat exchanging pipe.If fail the cooling agent of accommodating liquid state all with the separation heat exchanging pipe of center line on same straight line of gas-liquid import 2, the cooling agent of not accommodating liquid state flows to gas vent 12, at air inlet base tube 1, multiple separation heat exchanging pipe is set, the cooling agent of these liquid state falls into again separation heat exchanging pipe, further play gas-liquid separation, the cold media gas separated correctly is shunted to the muffler of each compressor, the efficiency of compressor bank can be improved, meanwhile, be separated the cooling agent of liquid state and cold oil, can get back in compressor bank, prevent the oil mass of the compression chamber of compressor bank from occurring under-supply problem, improve the security performance of compressor.
In the present embodiment, in air inlet base tube 1, be provided with the overhead gage 7 and lower baffle plate 8 that are connected with tube wall; Overhead gage 7 and lower baffle plate 8 are staggered in air inlet base tube 1, make to form S shape path in air inlet base tube 1.The cooling agent of such gaseous state is entrained with the liquid coolant of suspension, and flow to gas vent 12 along with the cooling agent of gaseous state, owing to being provided with overhead gage 7 and lower baffle plate 8, the cooling agent of gaseous state strikes overhead gage 7 and lower baffle plate 8 respectively, be subject to the liquid coolant clashing into rear suspension, fall in the liquid coolant of air inlet base tube 1 bottom, together fall into separation heat exchanging pipe and carry out gas-liquid separation.
In the present embodiment, separation heat exchanging pipe comprises: the liquid storage pipe 3 be communicated with air inlet base tube 1 and be located at the heat exchanger tube 4 of liquid storage pipe 3 outside; Outage 9 is provided with bottom liquid storage pipe 3; Heat exchanger tube 4 sidewall is provided with inlet 5 and liquid outlet 6; Inlet 5 and liquid outlet 6 are oppositely arranged, and the rational height of inlet 5 is higher than the rational height of liquid outlet 6.In the present embodiment, separation heat exchanging pipe also comprises: force spill port 10, the liquid coolant in liquid storage pipe 3 is got back in compressor bank.
Be understandable that, liquid coolant enters in liquid storage pipe 3, the return-air got back in compressor bank is reduced, have impact on the return-air degree of superheat of compressor bank.In order to control the degree of superheat of return-air, improve the refrigerating capacity of boil-off gas, high-temp liquid enters heat exchanger tube 4 from inlet 5, heats liquid storage pipe 3, liquid coolant is evaporated and forms gaseous coolant, control the degree of superheat of return-air, improve the refrigerating capacity of boil-off gas.
Preferably, inlet 5 is provided with feed liquor electric control valve 51, and liquid outlet 6 is provided with fluid electric control valve 61;
Liquid level sensor 11 is provided with in liquid storage pipe 3, liquid level sensor 11 is electrically connected with feed liquor electric control valve 51 and fluid electric control valve 61 respectively, liquid level sensor 11 is for reaching the setting position of liquid level sensor 11 when the liquid height in liquid storage pipe 3, trigger liquid level sensor 11, feed liquor electric control valve 51 and fluid electric control valve 61 are opened, high-temp liquid enters in heat exchanger tube 4 and heats liquid storage pipe 3, and the liquid refrigerant in liquid storage pipe 3 is evaporated, and forms gaseous refrigerant and enters air inlet base tube 1 inside.
In the present embodiment, control except the degree of superheat of the damp proof stroke apparatus of return-air except adopting liquid level sensor 11, can also adopt and refer to shown in Fig. 5, detection module 21, judge module 22 and the opening module 23 be electrically connected with feed liquor electric control valve 51 and fluid electric control valve 61 respectively;
Detection module 21, for detecting the degree of superheat of air inlet base tube 1 inside;
Detection module 21 detects the degree of superheat of the damp proof stroke apparatus of return-air, and what this degree of superheat detected can be the degree of superheat in a certain moment, also can be detect the degree of superheat in preset time period.
Wherein, the degree of superheat of the damp proof stroke apparatus of return-air, the mainly degree of superheat of air inlet base tube 1 inside, calculated by the saturation temperature that temperature and pressure is corresponding, here the temperature and pressure by detecting, obtain the saturation temperature that this pressure is corresponding again, finally the saturation temperature that the temperature detected is corresponding with this pressure got is done the degree of superheat that difference obtains the damp proof stroke apparatus of return-air.
Judge module 22, for judging whether the degree of superheat of air inlet base tube 1 meets pre-conditioned;
After degree of superheat air inlet base tube 1 being detected, can judge whether the degree of superheat of air inlet base tube 1 meets pre-conditioned by judge module 22, meet this pre-conditioned, do not need to adjust the degree of superheat of air inlet base tube 1, if it is pre-conditioned not meet this, the such as degree of superheat is too low or the degree of superheat is excessively high, then need to adjust the degree of superheat of air inlet base tube 1.Because compressor bank is in normal course of operation, need to be stabilized in one and normally run in degree of superheat interval range, when the degree of superheat of air inlet base tube 1 exceeds this degree of superheat interval range, compressor bank there will be exception, causes compressor bank to break down.
Like this, if in preset time period, the degree of superheat of air inlet base tube 1 is continued above preset temperature, then judge that the degree of superheat of air inlet base tube 1 does not meet pre-conditioned, need to regulate the degree of superheat of air inlet base tube 1, thus make the degree of superheat of air inlet base tube 1 return to normal temperature interval, ensure that compressor bank is normally run.
Opening module 23, for when judging that the degree of superheat of air inlet base tube 1 meets pre-conditioned, opening module 23 opens feed liquor electric control valve 51 and fluid electric control valve 61 respectively, high-temp liquid enters in heat exchanger tube 4 and heats liquid storage pipe 3, liquid refrigerant in liquid storage pipe 3 is evaporated, form gaseous refrigerant and enter air inlet base tube 1 inside, the degree of superheat of adjustment air inlet base tube 1 inside.
In the present embodiment, refer to shown in Fig. 6, detection module 21 comprises: temperature detecting unit 211, pressure sensing cell 212, acquiring unit 213 and computing unit 214; Temperature detecting unit 211, for detecting the temperature of air inlet base tube 1; Pressure sensing cell 212, for detecting the pressure of air inlet base tube 1; Acquiring unit 213, for obtaining saturation temperature corresponding to pressure; Computing unit 214, for being calculated the degree of superheat of air inlet base tube 1 by temperature and saturation temperature.
In the present embodiment, judge module 22 comprises: judging unit 221 and identifying unit 222;
Judging unit 221, for judging in preset time period, whether the degree of superheat of air inlet base tube 1 exceeds degree of superheat interval range; Identifying unit, for when judging that the degree of superheat of air inlet base tube 1 exceeds degree of superheat interval range, judge that the degree of superheat of air inlet base tube 1 does not meet pre-conditioned, opening module 23 opens feed liquor electric control valve 51 and fluid electric control valve 61 respectively, high-temp liquid enters in heat exchanger tube 4 and heats liquid storage pipe 3, liquid refrigerant in liquid storage pipe 3 is evaporated, forms gaseous refrigerant and enter air inlet base tube 1 inside, the degree of superheat of adjustment air inlet base tube 1 inside.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. the damp proof stroke apparatus of return-air, is characterized in that, comprising: air inlet base tube and the separation heat exchanging pipe be communicated with described air inlet base tube;
The gas vent that described air inlet base tube is provided with gas-liquid import and is communicated with compressor bank muffler, described separation heat exchanging pipe is arranged on the extreme lower position under described air inlet base tube using state, and described heat exchanger tube is away from described gas vent.
2. the damp proof stroke apparatus of return-air according to claim 1, is characterized in that:
The using state of described air inlet base tube is the axial horizontal setting along described air inlet base tube;
Described separation heat exchanging pipe is arranged on the lower end of described air inlet base tube, and described gas-liquid import is arranged on the upper end of described air inlet base tube.
3. the damp proof stroke apparatus of return-air according to claim 2, is characterized in that:
The center line of described separation heat exchanging pipe and the center line of described gas-liquid import are on same straight line.
4. the damp proof stroke apparatus of return-air according to claim 2, is characterized in that:
The overhead gage and lower baffle plate that are connected with tube wall is provided with in described air inlet base tube;
Described overhead gage and described lower baffle plate are staggered in described air inlet base tube, make to form S shape path in described air inlet base tube.
5. the damp proof stroke apparatus of return-air according to claim 2, is characterized in that:
Described air inlet base tube is provided with separation heat exchanging pipe described at least one.
6. the damp proof stroke apparatus of return-air according to claim 1 and 2, is characterized in that:
Described separation heat exchanging pipe comprises: the liquid storage pipe be communicated with described air inlet base tube and be located at the heat exchanger tube of described liquid storage pipe outside;
Outage is provided with bottom described liquid storage pipe;
The sidewall of described heat exchanger tube is provided with inlet and liquid outlet;
Described inlet and described liquid outlet are oppositely arranged, and the rational height of described inlet is higher than the rational height of described liquid outlet;
Described inlet is provided with feed liquor electric control valve, and described liquid outlet is provided with fluid electric control valve.
7. the damp proof stroke apparatus of return-air according to claim 6, is characterized in that:
Liquid level sensor is provided with in described liquid storage pipe, described liquid level sensor is electrically connected with described feed liquor electric control valve and described fluid electric control valve respectively, described liquid level sensor is used for the setting position that the liquid height of working as in described liquid storage pipe reaches described liquid level sensor, trigger described liquid level sensor, described feed liquor electric control valve and described fluid electric control valve are opened, high-temp liquid enters in described heat exchanger tube and heats described liquid storage pipe, liquid refrigerant in described liquid storage pipe is evaporated, forms gaseous refrigerant and enter air inlet substrate tube.
8. the damp proof stroke apparatus of return-air according to claim 6, is characterized in that:
Also comprise: detection module, judge module and the opening module be electrically connected with described feed liquor electric control valve and described fluid electric control valve respectively;
Described detection module, for detecting the degree of superheat of air inlet substrate tube;
Described judge module, for judging whether the degree of superheat of air inlet base tube meets pre-conditioned;
Described opening module, for when judge the degree of superheat of air inlet base tube do not meet described pre-conditioned time, described opening module opens described feed liquor electric control valve and described fluid electric control valve respectively, high-temp liquid enters in described heat exchanger tube and heats described liquid storage pipe, liquid refrigerant in described liquid storage pipe is evaporated, form gaseous refrigerant and enter air inlet substrate tube, the degree of superheat of adjustment air inlet substrate tube.
9. the damp proof stroke apparatus of return-air according to claim 8, is characterized in that:
Described detection module comprises: temperature detecting unit, pressure sensing cell, acquiring unit and computing unit;
Described temperature detecting unit, for detecting the temperature of air inlet base tube;
Described pressure sensing cell, for detecting the pressure of air inlet base tube;
Described acquiring unit, for obtaining saturation temperature corresponding to described pressure;
Described computing unit, for being calculated the degree of superheat of air inlet base tube by described temperature and described saturation temperature.
10. the damp proof stroke apparatus of return-air according to claim 8, is characterized in that:
Described judge module comprises: judging unit and identifying unit;
Described judging unit, for judging in preset time period, whether the degree of superheat of air inlet base tube exceeds degree of superheat interval range;
Described identifying unit, for when going out the degree of superheat of air inlet base tube in described preset time period, when exceeding degree of superheat interval range, judges that the degree of superheat of air inlet base tube does not meet described pre-conditioned.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520478379.7U CN204880901U (en) | 2015-07-06 | 2015-07-06 | Damp proof stroke device of return -air |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520478379.7U CN204880901U (en) | 2015-07-06 | 2015-07-06 | Damp proof stroke device of return -air |
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| CN204880901U true CN204880901U (en) | 2015-12-16 |
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| CN201520478379.7U Active CN204880901U (en) | 2015-07-06 | 2015-07-06 | Damp proof stroke device of return -air |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990319A (en) * | 2015-07-06 | 2015-10-21 | 济南欧菲特制冷设备有限公司 | Gas return moisture preventing stroke device |
| CN112432402A (en) * | 2020-04-03 | 2021-03-02 | 浙江三花智能控制股份有限公司 | Gas-liquid separator and thermal management system |
| CN114593045A (en) * | 2020-12-04 | 2022-06-07 | 广东美的暖通设备有限公司 | Method, device and equipment for detecting dryness of returned air of compressor and storage medium |
-
2015
- 2015-07-06 CN CN201520478379.7U patent/CN204880901U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990319A (en) * | 2015-07-06 | 2015-10-21 | 济南欧菲特制冷设备有限公司 | Gas return moisture preventing stroke device |
| CN104990319B (en) * | 2015-07-06 | 2017-08-01 | 济南欧菲特制冷设备有限公司 | A kind of damp proof stroke apparatus of return-air |
| CN112432402A (en) * | 2020-04-03 | 2021-03-02 | 浙江三花智能控制股份有限公司 | Gas-liquid separator and thermal management system |
| CN112432402B (en) * | 2020-04-03 | 2024-06-11 | 浙江三花智能控制股份有限公司 | Gas-liquid separator and thermal management system |
| CN114593045A (en) * | 2020-12-04 | 2022-06-07 | 广东美的暖通设备有限公司 | Method, device and equipment for detecting dryness of returned air of compressor and storage medium |
| CN114593045B (en) * | 2020-12-04 | 2023-05-26 | 广东美的暖通设备有限公司 | Method, device, equipment and storage medium for detecting dryness of return air of compressor |
| EP4130475A4 (en) * | 2020-12-04 | 2023-11-22 | GD Midea Heating & Ventilating Equipment Co., Ltd. | Compressor return air dryness measurement method, apparatus, device, and storage medium |
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Address after: 250121 Yinhe Road 20-3, Jibei Development Zone, Jiyang County, Jinan City, Shandong Province (No. 3 Factory Area, Botong Industrial Science and Technology Park) Patentee after: Shandong Euro Energy Technology Co., Ltd. Address before: 250121 South Head of Hujia Village, Daqiao Town, Tianqiao District, Jinan City, Shandong Province Patentee before: JINAN OURFUTURE REFRIGERATION EQUIPMENT CO., LTD. |
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