CN104930769A - Refrigerant discharge device - Google Patents
Refrigerant discharge device Download PDFInfo
- Publication number
- CN104930769A CN104930769A CN201510306075.7A CN201510306075A CN104930769A CN 104930769 A CN104930769 A CN 104930769A CN 201510306075 A CN201510306075 A CN 201510306075A CN 104930769 A CN104930769 A CN 104930769A
- Authority
- CN
- China
- Prior art keywords
- clamping plate
- clamping
- coolant discharging
- drainage
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B45/00—Arrangements for charging or discharging refrigerant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
- F25B2345/004—Details for charging or discharging refrigerants; Service stations therefor with several tanks to collect or charge a cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
- F25B2345/005—Service stations therefor
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a refrigerant discharge device. The refrigerant discharge device is used for recovering or discharging a refrigerant in a pipeline, and comprises a clamping device (1), wherein the clamping device (1) comprises a clamping groove (2); the pipeline is clamped in the clamping groove (2); a drainage device (23) comprises a pipe damage part extending to the clamping groove (2) in the radial direction of the clamping groove (2), and a drainage part for draining the refrigerant in the pipeline through the pipe damage part; the pipe damage part is movably arranged in the radial direction of the clamping groove (2); and the clamping device (1) around the pipe damage part tightly fits the pipeline. According to the refrigerant discharge device disclosed by the invention, the refrigerant can be safely and effectively recovered or discharged.
Description
Technical field
The present invention relates to refrigerant processing technology field, in particular to a kind of coolant discharging device.
Background technology
At present for window one air-conditioning, dehumidifier, mobile integrated air conditioner, need the coolant discharging in air-conditioning system or recovery when keeping in repair, because this type of air-conditioning does not arrange valve and the fluorinfused nozzle of discharge refrigerant during fabrication, causing now cannot to the coolant discharging in air-conditioning system or recovery.
In order to keep in repair this type of air-conditioning smoothly, maintenance personal generally directly can cut off the pipeline of air-conditioning, thus is entered in air by the coolant discharging in air-conditioning system, but for the inflammable refrigerant such as R32, R290, if adopt which just more dangerous, there is potential safety hazard.
Summary of the invention
A kind of coolant discharging device is provided in the embodiment of the present invention, can reclaims safely and effectively refrigerant or discharge.
For achieving the above object, the embodiment of the present invention provides a kind of coolant discharging device, and for reclaiming the refrigerant in pipeline or discharge, comprising: clamping device, clamping device includes clamping slot, and pipeline is clamped in clamping slot; Drainage system, the radial direction that drainage system comprises along clamping slot is extended to the broken pipe portion of clamping slot and by broken pipe portion, the refrigerant in pipeline is carried out to the conduction part of drainage; Broken pipe portion is arranged movably along the radial direction of clamping slot, is sealed and matched between the clamping device around broken pipe portion and pipeline.
As preferably, clamping device comprises: the first clamping plate; Second clamping plate, are oppositely arranged with the first clamping plate, and and form clamping slot between the first clamping plate; Clamp system, is connected between the first clamping plate and the second clamping plate, and clamps the first clamping plate and the second clamping plate.
As preferably, the first end of the first clamping plate and the second clamping plate is by gemel connection, and clamp system comprises: moving screw, and first end is arranged on the second clamping plate; Locking nut, is arranged on the second end of moving screw, and coordinates clamping first clamping plate and the second clamping plate with moving screw.
As preferably, on the first clamping plate, corresponding moving screw is provided with U-type groove, and when the first clamping plate and the second clamping plate are in clamped condition, moving screw sticks in U-type groove.
As preferably, the inwall of clamping slot is provided with sealant.
As preferably, clamping device is fixedly installed sealing block, sealing block is set in outside conduction part, is provided with hermetically-sealed construction between sealing block and conduction part.
As preferably, conduction part comprises drainage channel, and the outlet of drainage channel is provided with connector.
As preferably, coolant discharging device also comprises hold-down devices, and hold-down devices drives with broken pipe portion and is connected, and provides pressing force for broken pipe portion.
As preferably, conduction part comprises drainage tube, and the pipeline of drainage tube forms drainage channel, and broken pipe portion is the most advanced and sophisticated tube head of the drainage end being arranged on drainage tube.
As preferably, hold-down devices comprises: bracing frame, is fixedly installed on clamping device; Press down handle, one end is hinged on bracing frame, and the other end is fixedly connected with drainage tube.
As preferably, press down taper knob and be located at outside drainage tube, drainage tube has external screw thread, the both sides pressing down handle are provided with the stop nut coordinated with external screw thread.
As preferably, drainage tube is provided with control valve.
As preferably, conduction part comprises drainage tube, and the pipeline of drainage tube forms drainage channel, and broken pipe portion comprises the drilling rod be located in drainage channel, and hold-down devices comprises the rotary handle of the operating side being arranged on drilling rod.
As preferably, drainage tube is provided with end cover away from one end of clamping slot, is provided with rotating nut in drainage channel, and drilling rod is located in rotating nut, and with rotating nut threaded engagement.
As preferably, connector side direction is connected to drainage channel.
Apply technical scheme of the present invention, coolant discharging device is used for reclaiming the refrigerant in pipeline or discharging, and comprising: clamping device, clamping device includes clamping slot, and pipeline is clamped in clamping slot; Drainage system, the radial direction that drainage system comprises along clamping slot is extended to the broken pipe portion of clamping slot and by broken pipe portion, the refrigerant in pipeline is carried out to the conduction part of drainage; Broken pipe portion is arranged movably along the radial direction of clamping slot, is sealed and matched between the clamping device around broken pipe portion and pipeline.When carrying out drainage to the refrigerant in pipeline, by broken pipe portion, pipeline can be punched, then from the pipeline punched, refrigerant is drawn, and drain into safe exhaust position through drainage system or reclaim position, can effectively avoid leaking in coolant discharging process, security when improving coolant discharging or reclaim, reduces potential safety hazard.
Accompanying drawing explanation
Fig. 1 is the structure chart of the coolant discharging device of first embodiment of the invention;
Fig. 2 is the structure chart of the coolant discharging device of second embodiment of the invention.
Description of reference numerals: 1, clamping device; 2, clamping slot; 3, the first clamping plate; 4, the second clamping plate; 5, hinge; 6, moving screw; 7, locking nut; 8, sealant; 9, sealing block; 10, hermetically-sealed construction; 11, drainage channel; 12, connector; 13, hold-down devices; 14, bracing frame; 15, handle is pressed down; 16, drainage tube; 17, most advanced and sophisticated tube head; 18, stop nut; 19, control valve; 20, drilling rod; 21, rotary handle; 22, rotating nut; 23, drainage system.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, but not as a limitation of the invention.
Shown in Fig. 1 and Fig. 2, according to embodiments of the invention, coolant discharging device is used for reclaiming the refrigerant in pipeline or discharging, and coolant discharging device comprises clamping device 1 and drainage system 23.Clamping device 1 includes clamping slot 2, and pipeline is clamped in clamping slot 2.The radial direction that drainage system 23 comprises along clamping slot 2 is extended to the broken pipe portion of clamping slot 2 and by broken pipe portion, the refrigerant in pipeline is carried out to the conduction part of drainage.Broken pipe portion is arranged movably along the radial direction of clamping slot 2, is sealed and matched between the clamping device 1 around broken pipe portion and pipeline.
When carrying out drainage to the refrigerant in pipeline, coolant discharging device can be fixedly clamped on refrigerant pipeline by clamping device 1, then by the broken pipe portion of drainage system 23, pipeline is punched, then from the pipeline punched, refrigerant is drawn, and drain into safe exhaust position through the conduction part of drainage system 23 or reclaim position, thus can effectively avoid leaking in coolant discharging process, security when improving coolant discharging or reclaim, reduces potential safety hazard.
In the present embodiment, clamping device comprises the first clamping plate 3, second clamping plate 4 and clamp system, the first clamping plate 3 is provided with the half slot along running through whole clamping area; Second clamping plate 4 and the first clamping plate 3 are oppositely arranged, and the half slot on the clamping area of the second clamping plate 4 on corresponding first clamping plate 3 is also correspondingly provided with half slot, form clamping slot 2 between the half slot of the first clamping plate 3 and the half slot of the second clamping plate 4; Clamp system is connected between the first clamping plate 3 and the second clamping plate 4, and clamps the first clamping plate 3 and the second clamping plate 4.
By forming clamping slot 2 between the first clamping plate 3 and the second clamping plate 4, then clamp system is utilized to clamp the mode of the first clamping plate 3 and the second clamping plate 4, can easily clamping device 1 be fixed on refrigerant pipeline, thus easily the refrigerant in refrigerant pipeline is drained into correct position, improve and freeze into the safety and reliability of discharge.
Also can by structure clamping clampings such as buckles between the first clamping plate 3 herein and the second clamping plate 4.
First clamping plate 3 are connected by hinge 5 with the first end of the second clamping plate 4, and clamp system comprises moving screw 6 and locking nut 7, and the first end of moving screw 6 is arranged on the second clamping plate 4; Locking nut 7 is arranged on the second end of moving screw 6, and coordinates clamping first clamping plate 3 and the second clamping plate 4 with moving screw 6.
When needs clamping first clamping plate 3 and the second clamping plate 4, moving screw 6 can be passed the first clamping plate 3 from the second clamping plate 4, then locking nut 7 is tightened on moving screw 6, locking nut 7 is pressed on the first clamping plate 3, thus the first clamping plate 3 and the second clamping plate 4 are clamped together.By coordinating of moving screw 6 and locking nut 7, the clamping between the first clamping plate 3 and the second clamping plate 4 can be realized quickly and easily.
Preferably, this locking nut 7 can be arranged and tighten handle, thus can operate locking nut 7 more easily, make that locking nut 7 is convenient reliably compresses the first clamping plate 3.
Preferably, on the first clamping plate 3, corresponding moving screw 6 is provided with U-type groove, and when the first clamping plate 3 and the second clamping plate 4 are in clamped condition, moving screw 6 sticks in U-type groove.In such cases, if need clamping first clamping plate 3 and the second clamping plate 4, directly the first clamping plate 3 and the second clamping plate 4 can be combined, moving screw 6 can be sticked into by the U-type groove on the first clamping plate 3 in first clamping plate 3, now just locking nut 7 can be rotated on the first clamping plate 3, the first clamping plate 3 are pressed on the second clamping plate 4.By cooperatively interacting of clamp system and hinge 5, the clamping structure between the first clamping plate 3 and the second clamping plate 4 can be made reliable and stable.
The inwall of clamping slot 2 can also arrange sealant 8, sealing layer 8 is between pipeline and the inwall of clamping slot 2, good sealing can be formed to the inwall of the outer wall of pipeline and clamping slot 2, prevent refrigerant from leaking from clamping slot 2 in the process of drawing, improve the security of coolant discharging.
In order to prevent refrigerant from leaking in the process of drawing further, clamping device 1 is also fixedly installed sealing block 9, and sealing block 9 is set in outside conduction part, is provided with hermetically-sealed construction 10 between sealing block 9 and conduction part.Sealing block 9 can play the effect of fixed support to conduction part, can also play sealing function simultaneously, prevent refrigerant from flowing out from the gap between sealing block 9 and conduction part by hermetically-sealed construction 10 pairs of conduction part.
Conduction part comprises drainage channel 11, and the outlet of drainage channel 11 is provided with connector 12.Connector 12 can realize being tightly connected with other structures easily, thus refrigerant all can not be leaked in the whole process reclaimed, security during raising refrigerant recovering and convenience.Connector 12 is such as fluorinfused nozzle.
Break the tube wall of pipeline more easily for the ease of broken pipe portion, the refrigerant in pipeline can be drawn easily, and coolant discharging device also comprises hold-down devices 13, and hold-down devices 13 drives with broken pipe portion and is connected, and provides pressing force for broken pipe portion.Hold-down devices 13 can make brokenly pipe portion break the tube wall of refrigerant pipeline more easily, can improve brokenly the efficiency of pipe, reduces the difficulty of broken pipe.
In conjunction with shown in Figure 1, according to the first embodiment of the present invention, conduction part comprises drainage tube 16, and the pipeline of drainage tube 16 forms drainage channel 11, and broken pipe portion is the most advanced and sophisticated tube head 17 of the drainage end being arranged on drainage tube 16.Broken pipe portion herein and conduction part are integrated, broken pipe portion is positioned at the drainage end of conduction part, after the tube wall of refrigerant pipeline is opened by broken pipe portion, can directly enter in drainage tube 16 by broken pipe portion, then be incorporated into connector 12 from the drainage channel 11 of drainage tube 16, be then discharged into predetermined space.
In the present embodiment, because conduction part and broken pipe portion are structure as a whole, also namely most advanced and sophisticated tube head 17 is formed in one with drainage tube 16, and therefore hold-down devices can be so a kind of structure, hold-down devices 13 comprises bracing frame 14 and presses down handle 15, and bracing frame 14 is fixedly installed on clamping device 1; The one end pressing down handle 15 is hinged on bracing frame 14, and the other end is fixedly connected with drainage tube 16.Because most advanced and sophisticated tube head 17 is formed in one with drainage tube 16, therefore when pressing down handle 15 and pressing down drainage tube 16, also pressing force is applied with to most advanced and sophisticated tube head 17 simultaneously, most advanced and sophisticated tube head 17 can be made to break the tube wall of pipeline.
Hold-down devices is herein lever construction, can reduce operation forces, makes brokenly pipe convenient.
In the present embodiment, press down handle 15 and be set in outside drainage tube 16, drainage tube 16 has external screw thread, the both sides pressing down handle 15 are provided with the stop nut 18 coordinated with external screw thread.Press down handle 15 by two stop nuts 18 with realize between drainage tube 16 being connected, make the connection that presses down between handle 15 and drainage tube 16 more efficient and convenient, and repair and replacement are also more convenient.
Preferably, drainage tube 16 is provided with control valve 19, this control valve 19 can regulate the mass rate of emission of refrigerant in drainage tube 16, thus the potential safety hazard effectively preventing from discharging the too fast generation electrostatic of refrigerant hourly velocity and cause.
In conjunction with shown in Figure 2, according to a second embodiment of the present invention, conduction part comprises drainage tube 16, and the pipeline of drainage tube 16 forms drainage channel 11, broken pipe portion comprises the drilling rod 20 be located in drainage channel 11, and hold-down devices 13 comprises the rotary handle 21 of the operating side being arranged on drilling rod 20.Drilling rod 20 herein can break the tube wall of pipeline more easily by rotating force, operate more laborsaving.
After being broken by the tube wall of pipeline, screwed out by drilling rod 20, the hole that refrigerant just can be got out by drilling rod 20 enters in the drainage channel 11 of drainage tube 16, then draws in drainage channel 11.
Drainage tube 16 is provided with end cover away from one end of clamping slot 2, is provided with rotating nut 22 in drainage channel 11, and drilling rod 20 is located in rotating nut 22, and with rotating nut 22 threaded engagement.Rotating nut 22 can provide brokenly pipe active force for drilling rod 20, can provide guide effect for drilling rod 20 simultaneously, ensures that the direction of motion of drilling rod 20 is accurate.End cover can form plugging action to the end away from drainage end of drainage channel 11, avoids refrigerant to leak from the end away from drainage end of drainage channel 11.Leak from the fit clearance between rotating nut 22 and drilling rod 20 to prevent refrigerant, the overall tightness of further raising coolant discharging device, be provided with sealing ring in drainage channel 11 between end cover and rotating nut 22, sealing ring is arranged between the inwall of drilling rod 20 and drainage tube 16.
In the present embodiment, connector 12 side direction is connected to drainage channel 11, because drilling rod 20 is located in drainage channel 11, therefore makes connector 12 side direction be connected to drainage channel 11, can avoid being formed between connector 12 and drilling rod 20 interfering, make the setting of connector 12 more reasonable.
Coolant discharging device in the present invention, not only volume is little, highly versatile, and it is simple to operate, at maintenance window one air-conditioning, dehumidifier, when mobile integrated air conditioner needs refrigerant emission, maintenance personal only need be clamped on one section of copper pipe of air-conditioning the clamping device 1 of this coolant discharging device, make the broken pipe portion of this coolant discharging device broken for copper pipe wall brill by hold-down devices 13 to pressing down, cold-producing medium in copper pipe will be discharged from the drainage channel 11 coolant discharging device to fluorinfused nozzle, the speed of discharge refrigerant can be regulated by adjusting control valve, can effectively such air-conditioning refrigerant be reclaimed or be discharged, the air-conditioning maintenance personnel after sale that can effectively eliminate discharge R290, the potential safety hazard of R32 cold-producing medium operation.The speed of discharge refrigerant can be regulated by by-pass cock valve, effectively can prevent from discharging the too fast and potential safety hazard that produces caused by electrostatic of the refrigerant hourly velocity such as R290.
Certainly, be more than the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art, under the prerequisite not departing from its general principles, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (15)
1. a coolant discharging device, for reclaiming the refrigerant in pipeline or discharge, is characterized in that, comprising:
Clamping device (1), described clamping device (1) includes clamping slot (2), and described pipeline is clamped in described clamping slot (2);
Drainage system (23), the radial direction that described drainage system (23) comprises along described clamping slot (2) is extended to the broken pipe portion of described clamping slot (2) and by described broken pipe portion, the refrigerant in described pipeline is carried out to the conduction part of drainage;
Described broken pipe portion is arranged movably along the radial direction of described clamping slot (2), is sealed and matched between the described clamping device (1) around described broken pipe portion and described pipeline.
2. coolant discharging device according to claim 1, is characterized in that, described clamping device comprises:
First clamping plate (3);
Second clamping plate (4), are oppositely arranged with described first clamping plate (3), and and form described clamping slot (2) between described first clamping plate (3);
Clamp system, is connected between described first clamping plate (3) and described second clamping plate (4), and clamps described first clamping plate (3) and described second clamping plate (4).
3. coolant discharging device according to claim 2, is characterized in that, described first clamping plate (3) are connected by hinge (5) with the first end of described second clamping plate (4), and described clamp system comprises:
Moving screw (6), first end is arranged on described second clamping plate (4);
Locking nut (7), is arranged on the second end of described moving screw (6), and coordinates with described moving screw (6) and clamp described first clamping plate (3) and described second clamping plate (4).
4. coolant discharging device according to claim 3, it is characterized in that, the upper corresponding described moving screw (6) of described first clamping plate (3) is provided with U-type groove, when described first clamping plate (3) and described second clamping plate (4) are in clamped condition, described moving screw (6) sticks in described U-type groove.
5. coolant discharging device according to claim 1, is characterized in that, the inwall of described clamping slot (2) is provided with sealant (8).
6. coolant discharging device according to claim 1, it is characterized in that, described clamping device (1) is fixedly installed sealing block (9), described sealing block (9) is set in outside described conduction part, is provided with hermetically-sealed construction (10) between described sealing block (9) and described conduction part.
7. coolant discharging device according to any one of claim 1 to 6, is characterized in that, described conduction part comprises drainage channel (11), and the outlet of described drainage channel (11) is provided with connector (12).
8. coolant discharging device according to claim 7, it is characterized in that, described coolant discharging device also comprises hold-down devices (13), and described hold-down devices (13) drives with described broken pipe portion and is connected, and provides pressing force for described broken pipe portion.
9. coolant discharging device according to claim 8, it is characterized in that, described conduction part comprises drainage tube (16), the pipeline of described drainage tube (16) forms described drainage channel (11), and described broken pipe portion is for being arranged on the most advanced and sophisticated tube head (17) of the drainage end of described drainage tube (16).
10. coolant discharging device according to claim 9, is characterized in that, described hold-down devices (13) comprising:
Bracing frame (14), is fixedly installed on described clamping device (1);
Press down handle (15), one end is hinged on support frame as described above (14), and the other end is fixedly connected with described drainage tube (16).
11. coolant discharging devices according to claim 10, it is characterized in that, the described handle (15) that presses down is set in described drainage tube (16) outward, (16) have external screw thread with described drainage tube, described in press down handle (15) both sides be provided with the stop nut (18) coordinated with described external screw thread.
12. coolant discharging devices according to claim 9, is characterized in that, described drainage tube (16) are provided with control valve (19).
13. coolant discharging devices according to claim 8, it is characterized in that, described conduction part comprises drainage tube (16), the pipeline of described drainage tube (16) forms described drainage channel (11), described broken pipe portion comprises the drilling rod (20) be located in described drainage channel (11), and described hold-down devices (13) comprises the rotary handle (21) of the operating side being arranged on described drilling rod (20).
14. coolant discharging devices according to claim 13, it is characterized in that, described drainage tube (16) is provided with end cover away from one end of described clamping slot (2), rotating nut (22) is provided with in described drainage channel (11), described drilling rod (20) is located in described rotating nut (22), and with described rotating nut (22) threaded engagement.
15. coolant discharging devices according to claim 13, is characterized in that, described connector (12) side direction is connected to described drainage channel (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510306075.7A CN104930769B (en) | 2015-06-04 | 2015-06-04 | Coolant discharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510306075.7A CN104930769B (en) | 2015-06-04 | 2015-06-04 | Coolant discharging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104930769A true CN104930769A (en) | 2015-09-23 |
| CN104930769B CN104930769B (en) | 2017-12-15 |
Family
ID=54118048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510306075.7A Active CN104930769B (en) | 2015-06-04 | 2015-06-04 | Coolant discharging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104930769B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411083A (en) * | 2019-08-05 | 2019-11-05 | 格力电器（芜湖）有限公司 | The refrigerant pipeline maintenance system of discharge slip can be reduced |
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| CN1272915A (en) * | 1998-06-11 | 2000-11-08 | 三洋电机株式会社 | Refrigerant regenerating device, refrigerant regenerating method, refrigerator having refrigerant regenerating device, control method for refrigerant circuit or recovery |
| JP2002098450A (en) * | 2000-09-22 | 2002-04-05 | Matsushita Refrig Co Ltd | Fluid extractor |
| CN202756750U (en) * | 2012-03-30 | 2013-02-27 | 巫长江 | Air-leakage preventing and liquid filling tube for air-conditioner repairing |
| CN204254946U (en) * | 2014-11-27 | 2015-04-08 | 珠海格力电器股份有限公司 | Filling system |
| CN204880907U (en) * | 2015-06-04 | 2015-12-16 | 珠海格力电器股份有限公司 | Refrigerant discharging equipment |
-
2015
- 2015-06-04 CN CN201510306075.7A patent/CN104930769B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1272915A (en) * | 1998-06-11 | 2000-11-08 | 三洋电机株式会社 | Refrigerant regenerating device, refrigerant regenerating method, refrigerator having refrigerant regenerating device, control method for refrigerant circuit or recovery |
| JP2002098450A (en) * | 2000-09-22 | 2002-04-05 | Matsushita Refrig Co Ltd | Fluid extractor |
| CN202756750U (en) * | 2012-03-30 | 2013-02-27 | 巫长江 | Air-leakage preventing and liquid filling tube for air-conditioner repairing |
| CN204254946U (en) * | 2014-11-27 | 2015-04-08 | 珠海格力电器股份有限公司 | Filling system |
| CN204880907U (en) * | 2015-06-04 | 2015-12-16 | 珠海格力电器股份有限公司 | Refrigerant discharging equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411083A (en) * | 2019-08-05 | 2019-11-05 | 格力电器（芜湖）有限公司 | The refrigerant pipeline maintenance system of discharge slip can be reduced |
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| Publication number | Publication date |
|---|---|
| CN104930769B (en) | 2017-12-15 |
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