CN207113320U - A kind of filing provision for on-board air conditioner - Google Patents
A kind of filing provision for on-board air conditioner Download PDFInfo
- Publication number
- CN207113320U CN207113320U CN201621061773.1U CN201621061773U CN207113320U CN 207113320 U CN207113320 U CN 207113320U CN 201621061773 U CN201621061773 U CN 201621061773U CN 207113320 U CN207113320 U CN 207113320U
- Authority
- CN
- China
- Prior art keywords
- pressure
- refrigerant
- valve
- low
- air conditioner
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of filing provision for on-board air conditioner, belong to mechanical engineering field, for solving the problems, such as that the filling of automotive air-conditioning system refrigerant, the processing of filling initial vacuum, high-low pressure detection, leak detection, system pressure regulation can not disposably be completed by a set of equipment.Including valve means, vacuum plant, high-pressure refrigerant device, also include black flexible pipe, three-way connection, three-way connection left end passes through black soft pipe connection valve means, three-way connection right-hand member passes through black soft pipe connection vacuum plant by black soft pipe connection high-pressure refrigerant device, three-way connection upper end.Just can complete to detect the high and low pressure of automotive air-conditioning system by this filing provision, system pressure regulation, the filling of refrigerant, fill before application of vacuum；Reduce more exchange device process, make operation simpler convenient, while effectively reduce and adjust error caused by the nominal error of equipment room, improve the degree of accuracy of testing result.
Description
Technical field
The utility model belongs to mechanical engineering field, is a kind of filing provision for on-board air conditioner specifically.
Background technology
Due to the sealing means of automobile air conditioner compressor, road jolt and the operation process of air-conditioning system, air conditioning for automobiles
Every year all can normal loss 10% to 15% refrigerant, cause refrigeration bad, it is necessary to fill refrigerant.Examined before filling
Leak, vacuumize, performance detection it is just very necessary, if vacuumized before filling not thoroughly, air can not be discharged all, on the one hand true
Reciprocal of duty cycle is inadequate, causes compressor " liquid hammer "；On the other hand, cause refrigerant to pollute, be unable to reach maintenance effect.
And in the prior art, judge whether normal method has following four for automotive air-conditioning system work：Digital palpation for examination of trauma, sight
Method, stethoscopy and mensuration are examined, first three methods are only through experience, phenomenon is judged, can not understand automobile sky exactly
Adjusting system working condition.Wherein mensuration is relatively more accurate, but system need to be tested by means of pressure gauge, by pressure gauge
Group is coupled with compressor suction and discharge joint with flexible pipe, after the pressure for judging high-pressure side and low-pressure side respectively, then is connected
Connect other equipment and carry out subsequent manipulation, before the filling of automotive air-conditioning system refrigerant, filling can not be accurately completed by a set of equipment
The programs such as application of vacuum, high-low pressure detection, leak detection, system pressure regulation, make that whole operation cumbersome, detection error are big, make
Industry efficiency is low.
Utility model content
The utility model purpose is intended to provide a kind of filing provision for on-board air conditioner, to solve air conditioning for automobiles system
Controlling cryogen is filled, fills initial vacuum processing, high-low pressure detection, hunts leak, system pressure is adjusted can not be by a set of equipment once
Property complete the problem of.
To realize above-mentioned technical purpose, the technical solution adopted in the utility model is as follows：
A kind of filing provision for on-board air conditioner, including valve means, vacuum plant, high-pressure refrigerant device, are also wrapped
Black flexible pipe, three-way connection are included, three-way connection left end passes through black by black soft pipe connection valve means, three-way connection right-hand member
Soft pipe connection high-pressure refrigerant device, three-way connection upper end pass through black soft pipe connection vacuum plant.
Disposably realized by a set of equipment to automotive air-conditioning system performance detection, vacuumize, hunt leak, filling process, dropped
The complexity of low operation, the operating time is saved, reduce the nominal error of equipment room, improve the degree of accuracy of testing result.
Using the utility model of above-mentioned technical proposal, its operation principle：Pipe-line system take out very by vacuum plant
Sky, the air in pipeline is all excluded；After system vacuum reaches certain value, by regulation valve body device complete leak detection and and
Performance detection；Open high-pressure refrigerant device filling refrigerant.
Further limit, valve means include low-pressure structure, control structure, high voltage structures, and low-pressure structure right-hand member passes through pipe
Road connects control structure, and control structure right-hand member connects high voltage structures by pipeline；Low-pressure structure include low-voltage interface, low-pressure meter,
Low pressure valve, the green flexible pipe being connected between low-voltage interface and low-pressure meter, low-pressure meter are connected to low-voltage interface upper end, green flexible pipe
Low-voltage interface lower end is connected to, high voltage structures include high voltage interface, high pressure gauge, the height being connected between high voltage interface and high pressure gauge
Pressure valve, red flexible pipe, high pressure gauge are connected to high voltage interface upper end, and red flexible pipe is connected to high voltage interface lower end, control structure bag
Include control interface, leak detection table, the control valve being connected between control interface and leak detection table.
By controlling each valve, the filling to the refrigerant of automotive air-conditioning system can be just completed by a set of equipment, is added
The operations such as application of vacuum, high-low pressure detection, system pressure regulation before note, make whole filling process more smooth convenient, reduce
All kinds of errors, operation difficulty is reduced, improve detection accuracy.
Further limit, green flexible pipe lower end is fixedly connected with the first loop type quick-release connector, and red flexible pipe lower end, which is fixed, to be connected
Connect the second loop type quick-release connector.
The connection of loop type quick-release connector, disassembling section simple and fast, stable connection, and air-tightness is good.
Further limit, exhaust structure is connected with by pipeline between control structure and high voltage structures, exhaust structure includes
Exhaust nozzle, screw-cap, screw-cap are enclosed on outside exhaust nozzle；Exhaust nozzle steam vent, fixed dam, spring, control piston, steam vent
Exhaust nozzle surrounding is arranged on, fixed dam is horizontally set on inside exhaust nozzle, and spring upper end is connected baffle plate, and lower spring end connects
Control piston is connect, external screw thread is provided with the outside of exhaust nozzle；Internal thread is provided with inside screw-cap.
When detection finds that automotive air-conditioning system pressure exceeds critical field, screw-cap discharge excess refrigerant is unscrewed, is passed through
The up and down motion of the elastic and spring control control piston of screw-cap, when controlling piston upwards, the exhaust with air contact
Hole number gradually decreases, and capacity gradually reduces, conversely, capacity gradually increases, can effectively prevent gases at high pressure from impacting to come
Danger.
Further limit, vacuum plant includes vavuum pump, and for controlling the vacuum valve of vavuum pump break-make, vavuum pump uses water
Ring pump；Vavuum pump is provided with power switch and vacuum meter.
Water ring pump will not cause refrigerant pollution and the corrosion of pipeline because producing oil vapour into filing provision；Pass through power supply
The start and stop of switch control vavuum pump, simple operation；When vacuumizing, vacuum pointer does not deflect within a certain period of time, then it represents that is
System allows without gas leak phenomenon and judges digitization, reduce human error.
Further limit, high-pressure refrigerant device includes refrigerant cylinder, refrigerant main valve, refrigerant pressure table, refrigeration
Agent flux control valve；Refrigerant main valve is arranged on refrigerant cylinder upper end, and refrigerant pressure table is arranged on the left of refrigerant main valve,
Refrigerant flow control valve is connected on the left of refrigerant pressure table.
It is accurate by the refrigerant main valve control on high-pressure refrigerant device, refrigerant flow control valve and refrigerant pressure table
The adding amount and filling speed of refrigerant are controlled, prevents to answer more refrigerant feeding heel row to waste caused by putting.
Further limit, refrigerant flow control valve uses stop valve.
Stop valve has simple in construction, manufacture and easy to maintenance, operation under suitable high pressure.During keying, valve rod is made along axis
Move along a straight line, almost do not rubbed between sealing surface, and Lift is small.
The utility model, it is simple in construction compared with prior art, it is easy to use.
Brief description of the drawings
The utility model can be further illustrated by the nonlimiting examples that accompanying drawing provides；
Fig. 1 is a kind of filing provision structural representation for on-board air conditioner of the utility model；
Fig. 2 is a kind of filing provision exhaust structure schematic diagram for on-board air conditioner of the utility model；
Major components symbol description is as follows：
Low-pressure meter 1, low pressure valve 2, low-voltage interface 3, green flexible pipe 4, leak detection table 5, control valve 6, control interface 7, black are soft
Pipe 8, exhaust nozzle 9, external screw thread 91, steam vent 92, fixed dam 93, spring 94, control piston 95, screw-cap 10, internal thread
101st, high pressure gauge 11, high pressure valve 12, high voltage interface 13, red flexible pipe 14, the first loop type quick-release connector 151, the second loop type
Quick-release connector 152, three-way connection 16, vacuum valve 17, vavuum pump 18, power switch 181, vacuum meter 182, refrigerant cylinder 19,
Refrigerant main valve 20, refrigerant flow control valve 21, refrigerant pressure table 22.
Embodiment
In order that the utility model may be better understood in those skilled in the art, it is right with reference to the accompanying drawings and examples
Technical solutions of the utility model further illustrate.
Embodiment,
Such as Fig. 1, shown in Fig. 2, a kind of filing provision for on-board air conditioner described in the utility model, including valve means,
Vacuum plant, high-pressure refrigerant device, black flexible pipe 8, three-way connection 16, the left end of three-way connection 16 pass through black flexible pipe 8
Valve means are connected, the right-hand member of three-way connection 16 connects high-pressure refrigerant device, the three-way connection 16 by black flexible pipe 8
Upper end connects vacuum plant by black flexible pipe 8.
Valve means include low-pressure structure, control structure, high voltage structures, and low-pressure structure right-hand member connects control knot by pipeline
Structure, control structure right-hand member connect high voltage structures by pipeline；Low-pressure structure includes low-voltage interface 3, low-pressure meter 1, is connected to low pressure
Low pressure valve 2, green flexible pipe 4 between interface 3 and low-pressure meter 1, low-pressure meter 1 are connected to the upper end of low-voltage interface 3, and green flexible pipe 4 connects
The lower end of low-voltage interface 3 is connected on, high voltage structures include high voltage interface 13, high pressure gauge 11, are connected to high voltage interface 13 and high pressure gauge 11
Between high pressure valve 12, red flexible pipe 14, high pressure gauge 11 is connected to the upper end of high voltage interface 13, and red flexible pipe 14 is connected to high-voltage connecting
13 lower ends of mouth, control structure include control interface 7, leak detection table 5, the control valve 6 being connected between control interface 7 and leak detection table 5.
The green lower end of flexible pipe 4 is fixedly connected with the first loop type quick-release connector 151, and the red lower end of flexible pipe 14 is fixedly connected with second
Loop type quick-release connector 152.
Exhaust structure is connected with by pipeline between control structure and high voltage structures, exhaust structure includes exhaust nozzle 9, spiral
Cap 10, screw-cap 10 are enclosed on outside exhaust nozzle 9；Exhaust nozzle 9 includes steam vent 92, fixed dam 93, spring 94, control piston
95, steam vent 92 is arranged on the surrounding of exhaust nozzle 9, and fixed dam 93 is horizontally set on inside exhaust nozzle 9, and the connection of the upper end of spring 94 is solid
Determine baffle plate 93, the lower end of spring 94 connection control piston 95, the outside of exhaust nozzle 9 is provided with external screw thread 91；The inside of screw-cap 10 is provided with interior
Screw thread 101.
Vacuum plant includes vavuum pump 18, and for controlling the vacuum valve 17 of vavuum pump break-make, vavuum pump 18 uses water ring pump；
The vavuum pump 18 is provided with power switch 181 and vacuum meter 182.
High-pressure refrigerant device includes refrigerant cylinder 19, refrigerant main valve 20, refrigerant pressure table 21, refrigerant flow
Control valve 22；Refrigerant main valve 20 is arranged on the upper end of refrigerant cylinder 19, and refrigerant pressure table 21 is arranged on refrigerant main valve 20
Left side, refrigerant flow control valve 22 are connected on the left of the table of refrigerant pressure 21.
Refrigerant flow control valve 22 uses stop valve.
The utility model compared with prior art, a set of equipment can just complete filling to the refrigerant of automotive air-conditioning system,
Application of vacuum, high-low pressure detection, system pressure regulation before filling；Reduce more exchange device process, make operation simpler just
Victory, while reduce and adjust error caused by the nominal error of equipment room, improve the degree of accuracy of testing result.
Its operation principle：1. vacuumizing, leakage detection gas, refrigerant flow control valve is closed, opens high pressure valve, low pressure valve, control
Valve processed, vacuum valve, open vacuum-pump power supply switch and system is vacuumized；After vacuumizing, high pressure valve, low pressure valve, true is closed
Empty valve, vacuum meter reading is observed, pointer is stable then to be shown to vacuumize success in a certain negative value, turns off vacuum-pump power supply switch；
Observation leak detection list index reading, pointer does not deflect in certain time, then it represents that system is without gas leak phenomenon.2. filling refrigerant, close
Vacuum valve, low pressure valve are closed, opens refrigerant main valve, slowly opens refrigerant flow control valve, is filled and freezed by high voltage interface
Agent, when high pressure meter reading is close to refrigerant pressure table, high pressure valve is closed, while open low pressure valve, switched to low-voltage interface and add
Note, when low pressure meter reading reaches in the range of setting, completes filling, closes low pressure valve, refrigerant flow control valve, system successively
Cryogen main valve.3. high and low pressure detects, the second loop type quick-release connector is connected with automotive air-conditioning system high-pressure side, closing control
Valve, high pressure valve is opened, the reading read on high pressure gauge is high pressure, high-pressure side setting 1.37-1.57MPa；Similarly, by first
Loop type quick-release connector is connected with automotive air-conditioning system low-pressure end, closing control valve, opens low pressure valve, reads the reading on low-pressure meter
Number as low pressure, low-pressure side setting 0.15-0.25MPa.4. regulating system pressure, when pressure value is less than setting scope,
Continue to fill refrigerant；When pressure value is higher than high pressure setting scope, closing control valve, high pressure valve is opened, unscrews screw-cap
Slowly discharge excess refrigerant, while observes high pressure gauge, when high pressure meter reading reaches setting scope, closes high pressure valve immediately,
Screw screw-cap.
Title provided by the utility model is described in detail above.The explanation of specific embodiment is only intended to help
Understand method and its core concept of the present utility model.It should be pointed out that for those skilled in the art,
On the premise of not departing from the utility model principle, some improvement and modification can also be carried out to the utility model, these improve and
Modification is also fallen into the protection domain of the utility model claims.
Claims (7)
1. a kind of filing provision for on-board air conditioner, including valve means, vacuum plant, high-pressure refrigerant device, its feature
It is：Also including black flexible pipe, three-way connection, the three-way connection left end is by black soft pipe connection valve means, and described three
Pass joint right-hand member passes through black soft pipe connection vacuum by black soft pipe connection high-pressure refrigerant device, the three-way connection upper end
Device.
A kind of 2. filing provision for on-board air conditioner according to claim 1, it is characterised in that：The valve means bag
Low-pressure structure, control structure, high voltage structures are included, the low-pressure structure right-hand member connects control structure, the control knot by pipeline
Structure right-hand member connects high voltage structures by pipeline；The low-pressure structure includes low-voltage interface, low-pressure meter, is connected to low-voltage interface and low
Low pressure valve, the green flexible pipe between table are pressed, the low-pressure meter is connected to low-voltage interface upper end, and the green flexible pipe is connected to low pressure
Interface lower end, the high voltage structures include high voltage interface, high pressure gauge, the high pressure valve being connected between high voltage interface and high pressure gauge,
Red flexible pipe, the high pressure gauge are connected to high voltage interface upper end, and the red flexible pipe is connected to high voltage interface lower end, the control
Structure includes control interface, leak detection table, the control valve being connected between control interface and leak detection table.
A kind of 3. filing provision for on-board air conditioner according to claim 2, it is characterised in that：Under the green flexible pipe
End is fixedly connected with the first loop type quick-release connector, and the red flexible pipe lower end is fixedly connected with the second loop type quick-release connector.
A kind of 4. filing provision for on-board air conditioner according to claim 3, it is characterised in that：The control structure and
Exhaust structure is connected with by pipeline between high voltage structures, the exhaust structure includes exhaust nozzle, screw-cap, the spiral cap sleeve
Outside exhaust nozzle；The exhaust nozzle includes steam vent, fixed dam, spring, control piston, and the steam vent is arranged on exhaust
Mouth surrounding, the fixed dam are horizontally set on inside exhaust nozzle, and the spring upper end is connected baffle plate, the lower spring end
Connection control piston, the exhaust nozzle outside are provided with external screw thread；Internal thread is provided with inside the screw-cap.
A kind of 5. filing provision for on-board air conditioner according to claim 4, it is characterised in that：The vacuum plant bag
Vavuum pump is included, for controlling the vacuum valve of vavuum pump break-make, the vavuum pump uses water ring pump；The vavuum pump is provided with power supply
Switch and vacuum meter.
A kind of 6. filing provision for on-board air conditioner according to claim 5, it is characterised in that：The high-pressure refrigerant
Device includes refrigerant cylinder, refrigerant main valve, refrigerant pressure table, refrigerant flow control valve；The refrigerant main valve is set
Put in refrigerant cylinder upper end, the refrigerant pressure table is arranged on the left of refrigerant main valve, the refrigerant flow control valve
It is connected on the left of refrigerant pressure table.
7. according to a kind of filing provision for on-board air conditioner described in claim 1 or 2 or 3 or 4 or 5 or 6, its feature exists
In：The refrigerant flow control valve uses stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621061773.1U CN207113320U (en) | 2016-09-19 | 2016-09-19 | A kind of filing provision for on-board air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621061773.1U CN207113320U (en) | 2016-09-19 | 2016-09-19 | A kind of filing provision for on-board air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207113320U true CN207113320U (en) | 2018-03-16 |
Family
ID=61595680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621061773.1U Expired - Fee Related CN207113320U (en) | 2016-09-19 | 2016-09-19 | A kind of filing provision for on-board air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207113320U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344217A (en) * | 2018-04-09 | 2018-07-31 | 奥克斯空调股份有限公司 | A kind of refrigerant liquid amount adjusting apparatus, air conditioner test adjustment system and air-conditioning refrigerant method of adjustment |
| CN108731337A (en) * | 2018-05-21 | 2018-11-02 | 南京申友生物技术有限公司 | A kind of new type low temperature save set of genetic test biomaterial |
| CN108895732A (en) * | 2018-05-23 | 2018-11-27 | 文丹 | A kind of car air conditioner refrigerant adding set |
| CN109269165A (en) * | 2018-09-28 | 2019-01-25 | 浙江工业大学 | The automatic plus fluorine device of the outdoor machine of air-conditioner of view-based access control model |
| CN111076458A (en) * | 2019-12-31 | 2020-04-28 | 冰山松洋生物科技(大连)有限公司 | Manual refrigerant enclosing device and using method |
| CN112113372A (en) * | 2019-06-20 | 2020-12-22 | 中科赛凌(中山)低温设备有限公司 | Refrigerant charging method and system |
-
2016
- 2016-09-19 CN CN201621061773.1U patent/CN207113320U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344217A (en) * | 2018-04-09 | 2018-07-31 | 奥克斯空调股份有限公司 | A kind of refrigerant liquid amount adjusting apparatus, air conditioner test adjustment system and air-conditioning refrigerant method of adjustment |
| CN108731337A (en) * | 2018-05-21 | 2018-11-02 | 南京申友生物技术有限公司 | A kind of new type low temperature save set of genetic test biomaterial |
| CN108895732A (en) * | 2018-05-23 | 2018-11-27 | 文丹 | A kind of car air conditioner refrigerant adding set |
| CN109269165A (en) * | 2018-09-28 | 2019-01-25 | 浙江工业大学 | The automatic plus fluorine device of the outdoor machine of air-conditioner of view-based access control model |
| CN112113372A (en) * | 2019-06-20 | 2020-12-22 | 中科赛凌(中山)低温设备有限公司 | Refrigerant charging method and system |
| CN111076458A (en) * | 2019-12-31 | 2020-04-28 | 冰山松洋生物科技(大连)有限公司 | Manual refrigerant enclosing device and using method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207113320U (en) | A kind of filing provision for on-board air conditioner | |
| CN105097203B (en) | A kind of transformer vacuum oil of bidirectional modulation, detecting system | |
| CN204390851U (en) | Transformer vacuum oil system | |
| CN209470820U (en) | Air-tightness detection device for expansion tank | |
| CN209128162U (en) | Aeration quantity is adjustable aeration tube | |
| CN101465414B (en) | Pump suction type quantitative evacuation priming device | |
| CN208564736U (en) | A kind of cooling fluid exchange device | |
| CN102522223B (en) | Controllable filling method for vacuum filling | |
| CN209696798U (en) | A kind of emulsification tank body for having temperature-detecting device that can realize online sterilizing function | |
| CN205102475U (en) | Compressor refrigerant recovery unit | |
| CN204312284U (en) | A kind of air-conditioning oiling device | |
| CN202869750U (en) | Leak detection device for inner exhaust pipe welding points of refrigerator compressor | |
| CN104061718B (en) | Compressor of air conditioner recharging oil device | |
| CN209623168U (en) | A kind of integration refrigerant vacuum filling equipment | |
| CN107132105A (en) | A kind of standard gas preparation device | |
| CN209761722U (en) | Inflation and drainage device for inflatable dam | |
| CN202811288U (en) | Oil feeding device of air conditioner main machine | |
| CN108758339B (en) | Device and method for filling phase-change material into plastic hose | |
| CN207366227U (en) | Water vapour compressor test unit | |
| CN209326906U (en) | Sebific duct device for detecting sealability | |
| CN102167276A (en) | Small-sized vacuum filling device with controllable filling speed | |
| CN210265001U (en) | Gas engine jet testing device | |
| CN205714649U (en) | A kind of pressurizer of improvement type automobile cooling tester | |
| CN204043998U (en) | A kind of automatic negative-pressure test system | |
| CN203683090U (en) | Secondary recovery device for sulfur hexafluoride |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 Termination date: 20180919 |