CN210425666U - Energy-saving valve of refrigeration equipment and refrigerant injection, condenser leak detection and evaporator leak detection device with same - Google Patents
Energy-saving valve of refrigeration equipment and refrigerant injection, condenser leak detection and evaporator leak detection device with same Download PDFInfo
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- CN210425666U CN210425666U CN201921322192.2U CN201921322192U CN210425666U CN 210425666 U CN210425666 U CN 210425666U CN 201921322192 U CN201921322192 U CN 201921322192U CN 210425666 U CN210425666 U CN 210425666U
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Abstract
The utility model provides a refrigeration plant energy-saving valve and have its notes refrigerant, condenser leak hunting, evaporimeter leak hunting device, including the valve body, be equipped with a tee bend passageway in the valve body, tee bend passageway includes passageway I, passageway II and passageway III, passageway I, passageway II and passageway III all lead to outside the valve body, passageway I is connecting pipe I, passageway II is the detecting tube, passageway III is connecting pipe II, connecting pipe I connects connecting pipe II through the control valve, connecting pipe II communicates the detecting tube, the detecting tube connects the inspection device, through control flap, just can conveniently realize the leak hunting of each part in the equipment, is applicable to refrigeration plant filling refrigerant and need not take out the vacuum, need not seal, utilizes refrigeration plant self compressor can realize filling refrigerant or leak hunting repair to different refrigeration plant leak hunting leak, the utility model discloses simple structure, utilizes refrigeration plant self compressor can realize filling refrigerant or repairing to different refrigeration plant, the operation is very convenient. The utility model discloses be fit for the refrigeration plant such as refrigerator, refrigerator-freezer and air conditioner.
Description
Technical Field
The utility model relates to a refrigeration plant accessory technical field, concretely relates to refrigeration plant energy-saving valve.
Background
The refrigerating equipment is composed of compressor, condenser, filter, capillary or expansion valve and evaporator to form a fully-enclosed refrigerating system, and its working principle is that the compressor sucks the refrigerant which has absorbed heat in the evaporator and changed into low-pressure low-temperature gas into the compressor through pipeline, and compresses it into high-pressure high-temperature steam, which is then discharged into the condenser, so that the temperature in the refrigerating chamber is continuously reduced.
At present, refrigerant is generally filled after being vacuumized from a stop valve provided with a pressure gauge and connected with a process pipe of a compressor, so that another compressor or a vacuum pump needs to be independently prepared to evacuate a system, the system is complex and long in time, and ice blockage caused by incomplete evacuation is caused, so that the refrigerant is wasted, and the time is wasted.
During the leakage detection and repair of the refrigeration equipment, a process pipe is added with a meter and a valve, the system is pressurized by another compressor or a steam pump, the pressurization is stopped when a certain pressure scale is reached, whether the scale on the meter changes or not is judged, and if the scale on the meter continuously becomes smaller, the system is indicated to have a leakage. At this time, it is impossible to separate the part of the condenser, the filter or the evaporator having a leak, and it is only roughly known that the part of the system has a leak, which causes great trouble in leak detection and repair.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is the leak hunting and the maintenance of the refrigeration plant of being convenient for, for solving above-mentioned problem, the utility model provides a refrigeration plant energy-saving valve.
The purpose of the utility model is realized with the following mode:
the utility model provides a refrigeration plant energy-saving valve, includes the valve body, is equipped with a tee bend passageway in the valve body, tee bend passageway includes passageway I, passageway II and passageway III, passageway I, passageway II and passageway III all lead to the valve body external, and passageway I is connecting pipe I, and passageway II is the detecting tube, and passageway III is connecting pipe II, connecting pipe I passes through control valve and connects connecting pipe II, and II intercommunication detecting tubes of connecting pipe, detecting tube connection inspection device.
The control valve is a two-way valve, a three-way valve or an electromagnetic valve.
The inspection device is a valve needle.
The checking device is a pressure gauge.
The utility model provides an annotate refrigerant device, annotate refrigerant device and use refrigeration plant energy-saving valve, refrigeration plant annotates refrigerant device includes compressor, condenser, filter and evaporimeter, the condenser is connected to the compressor, and the condenser is connected to the condenser, the filter passes through capillary or expansion valve and connects the evaporimeter, and the compressor is connected to the evaporimeter, refrigeration plant energy-saving valve establishes ties on pipeline I between refrigeration plant's compressor and evaporimeter, compressor is connected to connecting pipe I, and the evaporimeter is connected to connecting pipe II, opens the control valve, makes compressor and evaporimeter intercommunication, injects the refrigerant through the inspection pipe.
The utility model provides a condenser leak hunting device, condenser leak hunting device use refrigeration plant energy-saving valve, and refrigeration plant condenser leak hunting device includes compressor, condenser, filter and evaporimeter, the condenser is connected to the compressor, and the filter is connected to the condenser, the filter passes through capillary or expansion valve and connects the evaporimeter, and the compressor is connected to the evaporimeter, connects the compressor in condenser one side.
The utility model provides an evaporimeter leak hunting device, the refrigeration plant energy-saving valve is used to evaporimeter leak hunting device, and refrigeration plant evaporimeter leak hunting device includes compressor, condenser, filter and evaporimeter, the condenser is connected to the compressor, and the filter is connected to the condenser, the filter passes through capillary or expansion valve and connects the evaporimeter, and the compressor is connected to the evaporimeter, refrigeration plant energy-saving valve establishes ties on pipeline I between refrigeration plant's compressor and evaporimeter, the compressor is connected to connecting pipe I, and the evaporimeter is connected to connecting pipe II.
Compared with the prior art, the utility model is connected in series to the pipeline between the compressor and the evaporator when the refrigerant is filled, the refrigerant is conveniently filled, and the operation is convenient, time-saving and labor-saving; when the leak hunting, it is different according to the part of leak hunting, will the utility model discloses establish ties on the pipeline between the different parts in the equipment, through control flap, just can conveniently realize the leak hunting of each part in the equipment, be applicable to refrigeration plant filling refrigerant and need not the evacuation, need not seal, application refrigeration plant self compressor can realize filling the repair of filling refrigerant or leak hunting, the utility model discloses simple structure, application refrigeration plant self compressor can realize filling refrigerant or leak hunting repair to different refrigeration plant, and it is very convenient to operate. The utility model discloses be fit for the refrigeration plant such as refrigerator, refrigerator-freezer and air conditioner.
Drawings
Fig. 1 is a schematic structural diagram of the two-way valve or the electromagnetic valve as the control valve of the present invention.
FIG. 2 is a schematic structural diagram of the three-way valve as a middle control valve of the present invention
Fig. 3 is a schematic structural diagram of the present invention when filling the refrigerant.
Fig. 4 is a schematic structural diagram of a leak detection device of a condenser of a refrigeration device.
Fig. 5 is a schematic structural diagram of a leak detection device for an evaporator of a refrigeration device.
The device comprises a valve body 1, a connecting pipe 2, a connecting pipe I, a connecting pipe II, a connecting pipe 4, a control valve 5, a detection pipe 6, an inspection device 8, pipelines I and 9, a compressor 10, pipelines II and 11, a condenser 12, pipelines III and 13, a filter 14, a capillary tube or an expansion valve 15, an evaporator 16 and a valve I.
Detailed Description
As shown in the accompanying drawings 1 to 5, the energy-saving valve for the refrigeration equipment comprises a valve body 1, wherein a three-way channel is arranged in the valve body 1 and comprises a channel I, a channel II and a channel III, the channel I, the channel II and the channel III are all led to the valve body 1, the channel I is a connecting pipe I2, the channel II is a detection pipe 5, the channel III is a connecting pipe II 3, the connecting pipe I2 is connected with the connecting pipe II 3 through a control valve 4, the connecting pipe II 3 is communicated with the detection pipe 5, and the detection pipe 5 is connected with an inspection device 6.
The control valve 4 is a three-way valve or a two-way valve or an electromagnetic valve.
The checking device 6 is a valve needle for filling with refrigerant.
The inspection device 6 is a pressure gauge for inspecting the condenser 11 and the evaporator 15 for a refrigeration service tool.
As shown in fig. 3, the refrigerant injection device employs the above refrigeration equipment energy saving valve, and the refrigeration equipment refrigerant injection device includes a compressor 9, a condenser 11, a filter 13 and an evaporator 15, the compressor 9 is connected to the condenser 11 through a pipe ii 10, the condenser is connected to the filter 13 through a pipe iii 12, the filter 13 is connected to the evaporator 15 through a capillary tube or an expansion valve 14, the evaporator 15 is connected to the compressor 9 through a pipe i 8, the refrigeration equipment energy saving valve is connected in series to the pipe i 8 between the compressor 9 and the evaporator 15 of the refrigeration equipment, the connection pipe i 2 is connected to the compressor 9, the connection pipe ii 3 is connected to the evaporator 15, the control valve 4 is opened to communicate the compressor 9 and the evaporator 15, and a refrigerant is injected through an inspection pipe. Before filling the refrigerant, emptying the pipeline, closing the control valve 4, separating the compressor 9 from the evaporator 15, opening the compressor 9, performing emptying operation, opening the control valve 4, adding a small amount of refrigerant into the compressor 9 through the detection pipe 5, then closing the control valve 4, performing top discharge emptying of the pipeline, mounting a valve needle, then opening the control valve 4, communicating the compressor 9 with the evaporator 15, and filling the refrigerant through the detection pipe until the refrigerant reaches the requirement.
As shown in the attached drawing 4, a condenser leak detection device, the condenser 11 leak detection device uses the above refrigeration equipment energy-saving valve, the refrigeration equipment condenser 11 leak detection device includes a compressor 9, a condenser 11, a filter 13 and an evaporator 15, the compressor 9 is connected with the condenser 11 through a pipeline II 10, the condenser 11 is connected with the filter 13 through a pipeline III 12, the filter 13 is connected with the evaporator 15 through a capillary tube or an expansion valve 14, the evaporator 15 is connected with the compressor 9 through a pipeline I8, one side of the condenser 11 is connected with the compressor through a pipeline II 10, the other side of the condenser 11 is connected with the filter 13 through a pipeline III 12, the refrigeration equipment energy-saving valve is arranged between the condenser 11 and the compressor 9, a pressure gauge is arranged on an inspection pipe of the refrigeration equipment energy-saving valve, and the refrigeration equipment energy-saving valve is connected between the. The compressor 9 is connected to connecting pipe I2, condenser 11 is connected to connecting pipe II 3, install the manometer on the inspection tube of refrigeration plant energy-saving valve, capillary or expansion valve 14 end that is close to filter 13 is equipped with valve I16, twist control valve 4, make inspection tube 5, condenser 11 and compressor 9 communicate with each other, close valve I16 and open compressor 9 and pressurize to certain pressure for the system, then close compressor 9, close control valve 4, detect whether the count on the manometer changes, if count on the manometer constantly diminishes, it has the leak to explain condenser 11, the manometer count is unchangeable, it is normal to explain condenser 11.
As shown in fig. 5, the evaporator leak detection device uses the above refrigeration equipment energy saving valve, the refrigeration equipment evaporator leak detection device includes a compressor 9, a condenser 11, a filter 13 and an evaporator 15, the compressor 9 is connected with the condenser 11 through a pipeline ii 10, the condenser is connected with the filter 13 through a pipeline iii 12, the filter 13 is connected with the evaporator 15 through a capillary tube or an expansion valve 14, the evaporator 15 is connected with the compressor 9 through a pipeline i 8, a valve i 16 is arranged at the end of the capillary tube or the expansion valve 14 close to the filter 13, the refrigeration equipment energy saving valve is connected in series on the pipeline i 8 between the compressor 9 and the evaporator 15 of the refrigeration equipment, the connecting pipe i 2 is connected with the compressor 9, the connecting pipe ii 3 is connected with the evaporator 15, a pressure gauge is arranged on an inspection pipe of the refrigeration equipment energy saving valve, the refrigeration equipment energy saving valve is connected in series on the pipeline i 8 between the evaporator 15 and the compressor 9, opening the valve I16, closing the control valve 4 to communicate the compressor 9 with the evaporator 15, disconnecting the valve body 1 from the compressor 9, opening the compressor 9 to pressurize the system, then closing the compressor 9, closing the valve I16 on the capillary tube or the expansion valve 14 close to the filter 13, communicating the capillary tube or the expansion valve 14, the evaporator 15 and the inspection tube with each other, detecting whether the count on the pressure gauge changes, if the count on the pressure gauge becomes smaller, indicating that the evaporator 15 has a leak, and if the count on the pressure gauge does not change, indicating that the evaporator 15 is normal.
In the above description, it is noted that valve i 16 represents a weld-off closure point that is broken during service.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the general inventive concept, and it is intended to cover all such changes and modifications as fall within the true spirit and scope of the invention.
Claims (7)
1. The utility model provides a refrigeration plant energy-saving valve, includes the valve body, its characterized in that: be equipped with a tee bend passageway in the valve body, tee bend passageway includes passageway I, passageway II and passageway III, passageway I, passageway II and passageway III all lead to the valve body external, and passageway I is connecting pipe I, and passageway II is the test tube, and passageway III is connecting pipe II, connecting pipe I passes through control valve connecting connection connecting pipe II, and II intercommunication test tubes of connecting pipe, test tube connection inspection device.
2. The refrigeration appliance energy saving valve of claim 1, wherein: the control valve is a two-way valve, a three-way valve or an electromagnetic valve.
3. The refrigeration appliance energy saving valve of claim 1, wherein: the inspection device is a valve needle.
4. The refrigeration appliance energy saving valve of claim 1, wherein: the checking device is a pressure gauge.
5. A device for injecting refrigerant is characterized in that: the refrigerating equipment energy-saving valve is provided with the refrigerating equipment energy-saving valve according to any one of claims 1 to 3, the refrigerating equipment energy-saving valve comprises a compressor, a condenser, a filter and an evaporator, the compressor is connected with the condenser, the condenser is connected with the filter, the filter is connected with the evaporator through a capillary tube or an expansion valve, the evaporator is connected with the compressor, the refrigerating equipment energy-saving valve is connected in series on a pipeline I between the compressor and the evaporator of the refrigerating equipment, the connecting pipe I is connected with the compressor, the connecting pipe II is connected with the evaporator, a control valve is opened to enable the compressor to be communicated with the evaporator, and a refrigerant is injected through an inspection pipe.
6. A condenser leak detection device is characterized in that: the condenser leak detection device is provided with the refrigeration equipment energy-saving valve according to any one of claims 1, 2 and 4, the refrigeration equipment condenser leak detection device comprises a compressor, a condenser, a filter and an evaporator, the compressor is connected with the condenser, the condenser is connected with the filter, the filter is connected with the evaporator through a capillary tube or an expansion valve, the evaporator is connected with the compressor, one side of the condenser is connected with the compressor, the other side of the condenser is connected with the filter, the refrigeration equipment energy-saving valve is arranged between the condenser and the compressor, the connecting pipe I is connected with the compressor, and the connecting pipe II is connected with the.
7. An evaporimeter leak hunting device which characterized in that: the evaporator leak detection device is provided with the refrigeration equipment energy-saving valve according to any one of claims 1, 2 and 4, the refrigeration equipment evaporator leak detection device comprises a compressor, a condenser, a filter and an evaporator, the compressor is connected with the condenser, the condenser is connected with the filter, the filter is connected with the evaporator through a capillary tube or an expansion valve, the evaporator is connected with the compressor, the refrigeration equipment energy-saving valve is connected in series on a pipeline I between the compressor and the evaporator of the refrigeration equipment, the compressor is connected with the connecting pipe I, and the evaporator is connected with the connecting pipe II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921322192.2U CN210425666U (en) | 2019-08-15 | 2019-08-15 | Energy-saving valve of refrigeration equipment and refrigerant injection, condenser leak detection and evaporator leak detection device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921322192.2U CN210425666U (en) | 2019-08-15 | 2019-08-15 | Energy-saving valve of refrigeration equipment and refrigerant injection, condenser leak detection and evaporator leak detection device with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210425666U true CN210425666U (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921322192.2U Active CN210425666U (en) | 2019-08-15 | 2019-08-15 | Energy-saving valve of refrigeration equipment and refrigerant injection, condenser leak detection and evaporator leak detection device with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210425666U (en) |
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2019
- 2019-08-15 CN CN201921322192.2U patent/CN210425666U/en active Active
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Effective date of registration: 20211009 Address after: 311835 Ruan Shi Zhen Jin Ling Cun, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: Zhuji xinweiming Refrigeration Technology Co.,Ltd. Address before: 450000 cheetah 4S store of Henan automobile trade center, Huayuan road and Kaiyuan Road, Huiji District, Zhengzhou City, Erqi District, Zhengzhou City, Henan Province, Zhengzhou Xindadi Automobile Products Co., Ltd Patentee before: Gong Qingping |