CN203605560U - Filling gun of refrigerant filling machine - Google Patents
Filling gun of refrigerant filling machine Download PDFInfo
- Publication number
- CN203605560U CN203605560U CN201320341879.7U CN201320341879U CN203605560U CN 203605560 U CN203605560 U CN 203605560U CN 201320341879 U CN201320341879 U CN 201320341879U CN 203605560 U CN203605560 U CN 203605560U
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- valve
- refrigerant
- vacuum
- filling
- pipeline
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Abstract
The utility model provides a filling gun of a refrigerant filling machine. The filling gun of the refrigerant filling machine comprises a vacuumizing pipeline, a refrigerant recycling pipeline, a refrigerant filling control pipeline and a refrigerant output pipeline, wherein the refrigerant recycling pipeline is arranged on a branch pipeline of the vacuumizing pipeline, the vacuumizing pipeline is connected with the refrigerant output pipeline through a direct-acting electromagnetic valve, and the refrigerant filling control pipeline is connected with the refrigerant output pipeline through the direct-acting electromagnetic valve. According to the filling gun of the refrigerant filling machine, the pneumatic valve is replaced with the electromagnetic valve, the sealing components of the electromagnetic valve are greatly reduced when compared with that of the pneumatic valve, the locking force generated by the electromagnetic valve is large, the action and sealing can be performed reliably, the reliability is high and the filling precision is improved; and the electromagnetic valve is integrated onto two valve blocks, thereby reducing the integration difficulty and facilitating the maintenance.
Description
Technical field
The utility model relates to filling apparatus, relates in particular to a kind of refrigerant filling machine filling gun.
Background technology
Refrigerant filling machine is the key equipment of import, and the filling gun in equipment is custom component, for vacuum filling air conditioning for automobiles refrigerant.Tradition refrigerant filling gun structure is mainly made up of three built-in Pneumatic valves, control gas circuit and end face seal etc.In valve, be set to import element, because pneumatic control need to be used a lot of sealing rings, sealing member material and dimension precision requirement are very high, after for a long time, easily wear and tear and stop up, and cause the faults such as little leakage of annotating, and also gas blowby can occur and affect the vacuum performance of equipment.After operation for many years, filling gun wear and aging is serious, and sealing property declines and causes faults frequent.Filling gun small volume, integrated element in a large number, makes whole that the requirement on machining accuracy of filling gun is very highly, and a large amount of elements are integrated on a valve piece and have also increased integrated and maintenance difficulty, and domestic vendors is difficult to the manufacture level that reaches identical.
Utility model content
In order to solve problem in prior art, the utility model provides a kind of refrigerant filling machine filling gun.Comprise vacuum-pumping pipeline, refrigerant recovering pipeline, coolant charging control piper, refrigerant output pipe, described refrigerant recovering pipeline is located on a bye-pass of described vacuum-pumping pipeline, described vacuum-pumping pipeline connects described refrigerant output pipe by straight moving electromagnetic valve, described coolant charging control piper connects described refrigerant output pipe by described straight moving electromagnetic valve, and described straight moving electromagnetic valve is installed respectively on the first valve piece and second valve piece.
As further improvement of the utility model, described straight moving electromagnetic valve at least comprises vacuum valve, refrigerant suck back valve, coolant charging valve, described vacuum valve is installed on second valve piece, described refrigerant suck back valve and described coolant charging valve are installed on the first valve piece, described refrigerant output pipe is provided with high pressure connection and low-pressure connector, described low-pressure connector connects described vacuum-pumping pipeline top by described vacuum valve, described high pressure connection connects described vacuum-pumping pipeline top by described refrigerant suck back valve, described high pressure connection connects the top of described coolant charging control piper, one end of described vacuum valve connects described refrigerant suck back valve, the other end of described refrigerant suck back valve connects described coolant charging valve.Vacuum valve, refrigerant suck back valve, coolant charging valve, open and close by each valve are convenient realize vacuumize, refrigerant recovering, coolant charging work, magnetic valve latus rectum is larger, and filling process can improve for 10 seconds according to different adding amounts than import rifle whole beat shortening 3-5 second.The raising of beat and filling success rate improve, and can improve the production line qualification rate FTQ value that once rolls off the production line, cost-saving with improve the quality of products.
As further improvement of the utility model, described vacuum valve adopts transparent hose to be connected with described low-pressure connector, described refrigerant suck back valve also adopts transparent hose to be connected with described high pressure connection, and the connecting portion that described low-pressure connector, described high pressure connection, described vacuum valve, described refrigerant suck back valve are connected with described transparent hose all has tight lock assembly.Adopt transparent hose band to twist soon the form of lock-on connection, guarantee the reliability of sealing.
As further improvement of the utility model, in described vacuum-pumping pipeline, be provided with vacuum transducer, vacuum detecting valve, vacuum pumping valve, vavuum pump, described vacuum detecting valve, vacuum pumping valve are installed on second valve piece, described vacuum detecting valve connects described vacuum transducer and both are located in another bye-pass of described vacuum-pumping pipeline, described vacuum pumping valve connects described vavuum pump, and described vavuum pump is located at the end of described vacuum-pumping pipeline.Vacuum transducer, vacuum detecting valve, vacuum pumping valve, vavuum pump coordinated vacuumize, vacuum detecting testing.
As further improvement of the utility model, in described refrigerant recovering pipeline, be provided with refrigerant recovering pump, refrigerant recovering valve, described refrigerant recovering valve is installed on the first valve piece, described refrigerant recovering pump connects one end of described refrigerant recovering valve, and the other end of described refrigerant recovering valve is connected with described vacuum pumping valve, described refrigerant recovering pipeline is also provided with accumulator.Refrigerant recovering pipeline can reclaim refrigerant and economize on resources.
As further improvement of the utility model, described coolant charging control piper is provided with filling control valve and flowmeter, a port end of described filling control valve connects a port of described flowmeter, and the another port of described filling control valve is connected with the input of described accumulator, described filling control valve is installed on the first valve piece.Accumulator is convenient to store refrigerant and is reclaimed refrigerant.Flowmeter Real-Time Monitoring filling flow, guaranteeing to annotate, everything goes well with your work completes.
As further improvement of the utility model, described straight moving electromagnetic valve has two magnetic valve seals.Two magnetic valve seals increase magnetic valve sealing, increase reliability and the security of filling process.
As further improvement of the utility model, the enclosing cover of described refrigerant filling machine filling gun be shaped as cuboid.
As further improvement of the utility model, the described outer hanging parts that covered.Filling gun main body human engineering improves, and no longer needs operator to carry rifle, reduces labor intensity and shortens operation and walking time simultaneously.
As further improvement of the utility model, described outer covering also has some through holes.Through hole passes through for controlling cable and sleeve pipe.
The beneficial effects of the utility model are: the utility model adopts straight moving electromagnetic valve to replace Pneumatic valve, and valve is the external structure that can simplify filling gun, magnetic valve seal greatly reduces compared with Pneumatic valve, the closing force that magnetic valve produces is larger, can move reliably and seal, when high reliability, improve the precision of filling.Magnetic valve is withstand voltage reaches 40Bar than high 1 times of pneumatic operated valve, and average each magnetic valve seal reduces to 2 by 12 of the Pneumatic valves of original import filling gun, and reliability improves, and can eliminate the impact of compressed air on vacuum capability.The integrated employing bivalve piece design of filling gun, has reduced integrated difficulty.The installation of magnetic valve does not need to disassemble to reinstall, and each element replacement is non-interference, makes convenient and fast connection more reliable.Can reduce breakdown maintenance cost simultaneously.
Accompanying drawing explanation
Fig. 1 is the utility model refrigerant filling machine filling gun operation principle schematic diagram;
Fig. 2 is the utility model refrigerant filling machine filling gun bivalve piece project organization schematic diagram;
Fig. 3 is the utility model refrigerant filling machine filling gun outer cover structure schematic diagram.
In figure, each component names is as follows:
1. vacuum valve 2. coolant charging valve 3. refrigerant suck back valve 4. high pressure connection 5. low-pressure connector 6. vacuum pumping valve 7. vavuum pump 8. vacuum detecting valve 9. vacuum transducer 10. accumulators 11. control valve 12. flowmeters of annotating
13. refrigerant recovering pump 14. refrigerant recovering valves.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
The utility model provides a kind of refrigerant filling machine filling gun, comprise vacuum-pumping pipeline, refrigerant recovering pipeline, coolant charging control piper, refrigerant output pipe, refrigerant recovering pipeline is located on a bye-pass of vacuum-pumping pipeline, vacuum-pumping pipeline connects refrigerant output pipe by straight moving electromagnetic valve, and coolant charging control piper connects refrigerant output pipe by straight moving electromagnetic valve.Vacuum-pumping pipeline is connected with refrigerant suck back valve 3 by vacuum valve 1 with refrigerant output pipe, and coolant charging control piper is connected by coolant charging valve 2 with refrigerant output pipe.Refrigerant output pipe is provided with high pressure connection 4 and low-pressure connector 5, and one end of high pressure connection 4 is connected and connects with coolant charging valve 2 and refrigerant suck back valve 3 use transparent hoses.One end of low-pressure connector 5 is connected with vacuum valve 1.Each valve connects with all adopting transparent hose being connected of joint, and has tight lock assembly in joint portion, is convenient to sealing.Vacuum valve 1 is connected the top of vacuum-pumping pipeline with the other end of refrigerant suck back valve 3, one end of coolant charging valve 2 connects the top of refrigerant recovering pipeline.The top of all pipelines described in literary composition all refers to that one end that each pipeline is connected with vacuum valve 1, coolant charging valve 2, refrigerant suck back valve 3.In vacuum-pumping pipeline, be provided with vacuum transducer 9, vacuum detecting valve 8, vacuum detecting valve 8 connects vacuum transducer 9 and both are positioned on another bye-pass of vacuum-pumping pipeline.In vacuum-pumping pipeline, be also provided with vacuum pumping valve 6 and vavuum pump 7, vacuum pumping valve 6 connects vavuum pump 7, and vavuum pump 7 is positioned at the end of vacuum-pumping pipeline.In refrigerant recovering pipeline, be provided with refrigerant recovering valve 14 and refrigerant recovering pump 13, one end of refrigerant recovering valve 14 is connected with vacuum pumping valve 6, and the other end connects refrigerant recovering pump 13, is also provided with accumulator 10 at the end of refrigerant recovering pipeline, for reclaiming refrigerant.In coolant charging control piper, be provided with flowmeter 12 and filling control valve 11.One end of filling control valve 11 is connected with accumulator 10, other end connection traffic meter 12.Each magnetic valve has 2 seals.Vacuum valve 1, vacuum pumping valve 6, vacuum detecting valve 8 are installed on second valve piece, and coolant charging valve 2, refrigerant suck back valve 3, refrigerant recovering valve 14, filling control valve 11 are installed on the first valve piece.In filling gun, be useful on the control system of controlling each pipeline.The enclosing cover of refrigerant filling machine filling gun is cuboid.Being provided with hanging parts above can be for filling gun hanging, and human engineering improves, and no longer needs operator to carry rifle, reduces labor intensity and shortens operation and walking time simultaneously.Cover the through hole that can supply control cable and sleeve pipe to pass through outward.
Refrigerant filling machine filling gun filling mainly contains three large steps: vacuumize, vacuum detecting, coolant charging, refrigerant recovering.
Vacuumize: high pressure connection 4 on rifle head and low-pressure connector 5 are combined with automobile refrigerating agent system filler.Press the start button on rifle.Vacuum valve 1 and refrigerant suck back valve 3 are opened, and vacuum pumping valve 6 and vavuum pump 7 are opened, and vacuum detecting valve 8 is opened, and vacuum transducer 9 detects vacuum values in real time, and vavuum pump extracts vehicle loop gas.This step is set by the time and default vacuum threshold value control, fails to reach if finish threshold value in timing, and equipment sends gross leak fault, and circulation must stop
Vacuum detecting: vacuum pumping valve 6 is closed, in certain hour, vacuum need reach certain limit value, for example 5mBar/10s.This step is by the vacuum threshold value control of timing and setting, if finish not reach the vacuum threshold value (pressure increases too fast) of setting in timing, equipment sends the prompting of little leakage, and circulation must stop carrying out.
Coolant charging: vacuum valve 1 and refrigerant suck back valve 3 are closed, and vacuum detecting valve 8 cuts out.Coolant charging valve 2 is opened, and refrigerant is filled into automotive air-conditioning system from accumulator 10 by filling control valve 11 flowmeter 12 of flowing through, and flowmeter 12 shows adding amount.Refrigerant, from accumulator is filled into vehicle loop, uses measurement arteries and veins fill and measure Temperature numerical parameter and can calculate adding amount.After the inside, loop adding amount reaches set amount, annotate and stop, if set amount does not also reach after the filling time finishes, equipment sends the prompting of filling bug.
Refrigerant recovering: vacuum valve 1 and coolant charging valve 2 are closed, and vacuum detecting valve 8 cuts out, and refrigerant suck back valve 3 is opened, and refrigerant is pumped back to accumulator 10 from refrigerant recovering valve 14 by refrigerant recovering.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. a refrigerant filling machine filling gun, it is characterized in that: comprise vacuum-pumping pipeline, refrigerant recovering pipeline, coolant charging control piper, refrigerant output pipe, described refrigerant recovering pipeline is located on a bye-pass of described vacuum-pumping pipeline, described vacuum-pumping pipeline connects described refrigerant output pipe by straight moving electromagnetic valve, described coolant charging control piper connects described refrigerant output pipe by described straight moving electromagnetic valve, and described straight moving electromagnetic valve is installed on respectively on the first valve piece and second valve piece.
2. refrigerant filling machine filling gun according to claim 1, it is characterized in that: described straight moving electromagnetic valve comprises vacuum valve (1), refrigerant suck back valve (3), coolant charging valve (2), described vacuum valve (1) is installed on second valve piece, described refrigerant suck back valve (3) and described coolant charging valve (2) are installed on the first valve piece, described refrigerant output pipe is provided with high pressure connection (4) and low-pressure connector (5), described low-pressure connector (5) connects described vacuum-pumping pipeline top by described vacuum valve (1), described high pressure connection (4) connects described vacuum-pumping pipeline top by described refrigerant suck back valve (3), described high pressure connection (4) connects the top of described coolant charging control piper, one end of described vacuum valve (1) connects described refrigerant suck back valve (3), the other end of described refrigerant suck back valve (3) connects described coolant charging valve.
3. refrigerant filling machine filling gun according to claim 2, it is characterized in that: described vacuum valve (1) adopts transparent hose to be connected with described low-pressure connector (5), described refrigerant suck back valve (3) also adopts transparent hose to be connected with described high pressure connection (4), and the connecting portion that described low-pressure connector (5), described high pressure connection (4), described vacuum valve (1), described refrigerant suck back valve (3) are connected with described transparent hose all has tight lock assembly.
4. refrigerant filling machine filling gun according to claim 1, it is characterized in that: in described vacuum-pumping pipeline, be provided with vacuum transducer (9), vacuum detecting valve (8), vacuum pumping valve (6), vavuum pump (7), described vacuum detecting valve (8), vacuum pumping valve (6) are installed on second valve piece, described vacuum detecting valve (8) connects described vacuum transducer (9) and both are located in another bye-pass of described vacuum-pumping pipeline, described vacuum pumping valve (6) connects described vavuum pump (7), and described vavuum pump (7) is located at the end of described vacuum-pumping pipeline.
5. refrigerant filling machine filling gun according to claim 4, it is characterized in that: in described refrigerant recovering pipeline, be provided with refrigerant recovering pump (13), refrigerant recovering valve (14), described refrigerant recovering valve (14) is installed on the first valve piece, described refrigerant recovering pump (13) connects one end of described refrigerant recovering valve (14), and the other end of described refrigerant recovering valve (14) is connected with described vacuum pumping valve (6), and described refrigerant recovering pipeline is also provided with accumulator (10).
6. refrigerant filling machine filling gun according to claim 5, it is characterized in that: described coolant charging control piper is provided with filling control valve (11) and flowmeter (12), a port end of described filling control valve (11) connects a port of described flowmeter (12), and the another port of described filling control valve (11) is connected with the input of described accumulator (10), and described filling control valve (11) is installed on the first valve piece.
7. refrigerant filling machine filling gun according to claim 1, is characterized in that: described straight moving electromagnetic valve has two magnetic valve seals.
8. according to the refrigerant filling machine filling gun described in claim 1 to 7 any one, it is characterized in that: the enclosing cover of described refrigerant filling machine filling gun be shaped as cuboid.
9. refrigerant filling machine filling gun according to claim 8, is characterized in that: the described outer hanging parts that covered.
10. refrigerant filling machine filling gun according to claim 9, is characterized in that: described outer covering also has some through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320341879.7U CN203605560U (en) | 2013-06-14 | 2013-06-14 | Filling gun of refrigerant filling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320341879.7U CN203605560U (en) | 2013-06-14 | 2013-06-14 | Filling gun of refrigerant filling machine |
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| Publication Number | Publication Date |
|---|---|
| CN203605560U true CN203605560U (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320341879.7U Expired - Fee Related CN203605560U (en) | 2013-06-14 | 2013-06-14 | Filling gun of refrigerant filling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203605560U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236183A (en) * | 2013-06-14 | 2014-12-24 | 上汽通用五菱汽车股份有限公司 | Filling gun of refrigerant filling machine |
| CN105371541A (en) * | 2014-08-28 | 2016-03-02 | 上海日立电器有限公司 | Refrigerant injection device and refrigerant injection method |
| CN106813100A (en) * | 2016-12-13 | 2017-06-09 | 上海申克机械有限公司 | A kind of new vacuum treatment installation and method for the inflammable and explosive media environment of high pressure |
| CN107055452A (en) * | 2017-03-31 | 2017-08-18 | 上汽通用五菱汽车股份有限公司 | A kind of brake fluid charging rifle |
-
2013
- 2013-06-14 CN CN201320341879.7U patent/CN203605560U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236183A (en) * | 2013-06-14 | 2014-12-24 | 上汽通用五菱汽车股份有限公司 | Filling gun of refrigerant filling machine |
| CN104236183B (en) * | 2013-06-14 | 2017-08-18 | 上汽通用五菱汽车股份有限公司 | A kind of refrigerant filling machine filling gun |
| CN105371541A (en) * | 2014-08-28 | 2016-03-02 | 上海日立电器有限公司 | Refrigerant injection device and refrigerant injection method |
| CN105371541B (en) * | 2014-08-28 | 2018-06-26 | 上海海立电器有限公司 | Refrigerant injection device and refrigerant method for implanting |
| CN106813100A (en) * | 2016-12-13 | 2017-06-09 | 上海申克机械有限公司 | A kind of new vacuum treatment installation and method for the inflammable and explosive media environment of high pressure |
| CN107055452A (en) * | 2017-03-31 | 2017-08-18 | 上汽通用五菱汽车股份有限公司 | A kind of brake fluid charging rifle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140521 Termination date: 20200614 |