CN205351883U - Automobile -used refrigerant filling recovery system - Google Patents
Automobile -used refrigerant filling recovery system Download PDFInfo
- Publication number
- CN205351883U CN205351883U CN201521129236.1U CN201521129236U CN205351883U CN 205351883 U CN205351883 U CN 205351883U CN 201521129236 U CN201521129236 U CN 201521129236U CN 205351883 U CN205351883 U CN 205351883U
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- China
- Prior art keywords
- automobile
- recovery system
- relay
- refrigerant
- pressure sensing
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Abstract
The utility model relates to an automobile -used refrigerant filling recovery system, include that filling device, steel bottle, vacuum pump are retrieved to the refrigerant, the balance is called and the pressure detection unit, vacuum pump, steel bottle, refrigerant retrieve the filling device, the pressure detection unit connects gradually, the pressure detection unit be connected with vehicle air conditioner refrigerant filling opening, the balance call to be arranged in weighing the weight of steel bottle refrigerant, still include the control unit, the control unit with the refrigerant retrieve the filling device and connect, the control unit including the electrical switching, relay module, power module and the instruction lamp module piece that connect gradually, electrical switching be connected with the 220V power, relay module with the refrigerant retrieve the filling device and connect. Compared with the prior art, the utility model has the advantages of the cost is lower, stability good, and the precision is high.
Description
Technical field
This utility model belongs to field of automobile air conditioner, especially relates to a kind of automobile-used coolant charging recovery system.
Background technology
Automotive air-conditioning system refrigerant recovering charging machine: be by after the refrigerant-recovery of automotive air-conditioning system, Incompressible gas and magazins' layout are fallen, and get up to recycle by cleaned refrigerant storage, both automotive air-conditioning system had been allowed to recover refrigerating function, avoid again discharge refrigerant to air, contaminated environment.Automotive air-conditioning system refrigerant recovering charging machine, is usually and is made up of parts such as compressor, vacuum pump, gs-oil separator, device for drying and filtering, condenser, steel cylinder, control electromagnetic valves.In prior art, the problem that air conditioning for automobiles, central air-conditioning, freezer, refrigerator etc. all have refrigeration plant maintenance.General refrigerant recovering charging machine only has vacuum filling function, namely to refrigeration system evacuation, utilizes the pressure differential of refrigeration system and coolant holding vessel that coolant is added.Coolant injection rate inaccuracy is thus causing that heat pump performance is not good.
Utility model content
Defect that the purpose of this utility model is contemplated to overcome above-mentioned prior art to exist and a kind of less costly, automobile-used coolant charging recovery system that good stability, precision are high is provided.
The purpose of this utility model can be achieved through the following technical solutions: a kind of automobile-used coolant charging recovery system, including refrigerant recovering filling apparatus, steel cylinder, vacuum pump, balance claims and pressure sensing cell, described vacuum pump, steel cylinder, refrigerant recovering filling apparatus, pressure sensing cell is sequentially connected with, described pressure sensing cell is connected with air conditioning for automobiles coolant inlet, described balance claims for weighing the weight of coolant in steel cylinder, also include control unit, described control unit is connected with described refrigerant recovering filling apparatus, described control unit includes the electric switch being sequentially connected with, relay module, power module and indicating lamp module, described electric switch is connected with 220V power supply, described relay module is connected with described refrigerant recovering filling apparatus.
Described refrigerant recovering filling apparatus includes the filter element and the separation regeneration unit that interconnect, described filter element is connected with described pressure sensing cell, for the coolant being recovered by filtration, the described regeneration unit that separates is connected with described steel cylinder and pressure sensing cell respectively.
Described pressure sensing cell includes pipeline and the ball float of preseting length, described floating ball diameter and described pipe diameter match, when being vacuum in described pipeline, described ball float is positioned at described pipeline opening, when being not vacuum in described pipeline, described ball float is positioned at described pipeline.
Described steel cylinder is placed on described balance and deserves to be called.
Described power module is DC source.
Described relay module includes the very first time relay that is sequentially connected with and the first electromagnetic relay and second time relay being sequentially connected with and the second electromagnetic relay, described very first time relay and second time relay are all connected with described on and off switch, and the first described electromagnetic relay and the second electromagnetic relay are all connected with described refrigerant recovering filling apparatus.
Described very first time relay and second time relay are the on-delay type time relay.
Described indicating lamp module includes the first one-way SCR of being sequentially connected with and the first display lamp and the second one-way SCR being sequentially connected with and the second display lamp, and the first described one-way SCR and the second one-way SCR are all connected with described power module.
Compared with prior art, this utility model has the advantage that
(1) coolant in steel cylinder is weighed by high-precision balance weighing apparatus, it is different from and is shown the method testing coolant injection rate by pressure, improve the accuracy of coolant injection rate, improve the pipeline vacuum state in automotive air-conditioning system, it is to avoid steam is substantial amounts of resident thus affecting the service behaviour of air conditioning system in pipeline；
(2) combination claimed by the control unit with the time relay and balance, controls the injection length of coolant accurately, it is achieved at a high speed, easy, be accurately controlled, fully meet every test request of air conditioning for automobiles refrigerant recovering filling；
(3) this utility model simple in construction, be easily achieved, practical.
Accompanying drawing explanation
The system that Fig. 1 is a kind of automobile-used coolant charging recovery system of this utility model connects block diagram；
Fig. 2 is the connection block diagram of control unit.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in detail.
As shown in Figure 1, a kind of automobile-used coolant charging recovery system, claim 5 including refrigerant recovering filling apparatus 2, steel cylinder 6, vacuum pump 7, balance, pressure sensing cell 3 and control unit 1, vacuum pump 7, steel cylinder 6, refrigerant recovering filling apparatus 2, pressure sensing cell 3 are sequentially connected with, pressure sensing cell 3 is connected with air conditioning for automobiles coolant inlet 4, control unit 1 is connected with refrigerant recovering filling apparatus 2, and balance claims 5 for weighing the weight of coolant in the steel cylinder 6 being placed on it
As shown in Figure 2, control unit 1 includes the electric switch 11, relay module, DC source 16 and the indicating lamp module that are sequentially connected with, electric switch 11 is connected with 220V power supply, relay module includes the very first time relay 12 that is sequentially connected with and the first electromagnetic relay 14 and the second time relay 13 and the second electromagnetic relay 15 being sequentially connected with, very first time relay 12 and second time relay 13 are all connected with on and off switch, and the first electromagnetic relay 14 and the second electromagnetic relay 15 are all connected with refrigerant recovering filling apparatus 2.Very first time relay 12 and second time relay 13 are the on-delay type time relay.Indicating lamp module includes the first one-way SCR 17 of being sequentially connected with and the first display lamp 19 and the second one-way SCR 18 and the second display lamp 101 being sequentially connected with, and the first one-way SCR 17 and the second one-way SCR 18 are all connected with DC source 16.
Refrigerant recovering filling apparatus 2 includes the filter element and the separation regeneration unit that interconnect, filter element is connected with pressure sensing cell 3, for the coolant being recovered by filtration, separates regeneration unit and is connected with steel cylinder 6 and pressure sensing cell 3 respectively, for separating the moisture in coolant, it is ensured that coolant is pure.
Pressure sensing cell 3 includes pipeline and the ball float of preseting length, and floating ball diameter and pipe diameter match, and when in pipeline being vacuum, ball float is positioned at pipeline opening, and when being not vacuum in pipeline, ball float is positioned at pipeline.
Work process of the present utility model is as follows: during refrigerant recovering, open electric switch 11, connect 220V alternating current power supply, set the delay time of very first time relay 12, vacuum pump 7 works, reclaim coolant from air conditioning for automobiles coolant inlet 4, and after refrigerant recovering filling apparatus 2 isolated by filtration processes, send in steel cylinder 6 and store；
When coolant injects, open electric switch 11, connect 220V alternating current power supply, the reading being claimed 5 by balance obtains coolant quality, and the pressure in native system is known according to pressure sensing cell 3, set the delay time of second time relay 13, inject coolant from air conditioning for automobiles coolant inlet 4.
Claims (8)
1. an automobile-used coolant charging recovery system, including refrigerant recovering filling apparatus, steel cylinder, vacuum pump, balance claims and pressure sensing cell, described vacuum pump, steel cylinder, refrigerant recovering filling apparatus, pressure sensing cell is sequentially connected with, described pressure sensing cell is connected with air conditioning for automobiles coolant inlet, described balance claims for weighing the weight of coolant in steel cylinder, it is characterized in that, also include control unit, described control unit is connected with described refrigerant recovering filling apparatus, described control unit includes the electric switch being sequentially connected with, relay module, power module and indicating lamp module, described electric switch is connected with 220V power supply, described relay module is connected with described refrigerant recovering filling apparatus.
2. the automobile-used coolant charging recovery system of one according to claim 1, it is characterized in that, described refrigerant recovering filling apparatus includes the filter element and the separation regeneration unit that interconnect, described filter element is connected with described pressure sensing cell, for the coolant being recovered by filtration, the described regeneration unit that separates is connected with described steel cylinder and pressure sensing cell respectively.
3. the automobile-used coolant charging recovery system of one according to claim 1, it is characterized in that, described pressure sensing cell includes pipeline and the ball float of preseting length, described floating ball diameter and described pipe diameter match, when being vacuum in described pipeline, described ball float is positioned at described pipeline opening, and when being not vacuum in described pipeline, described ball float is positioned at described pipeline.
4. the automobile-used coolant charging recovery system of one according to claim 1, it is characterised in that described steel cylinder is placed on described balance and deserves to be called.
5. the automobile-used coolant charging recovery system of one according to claim 1, it is characterised in that described power module is DC source.
6. the automobile-used coolant charging recovery system of one according to claim 1, it is characterized in that, described relay module includes the very first time relay that is sequentially connected with and the first electromagnetic relay and second time relay being sequentially connected with and the second electromagnetic relay, described very first time relay and second time relay are all connected with described on and off switch, and the first described electromagnetic relay and the second electromagnetic relay are all connected with described refrigerant recovering filling apparatus.
7. the automobile-used coolant charging recovery system of one according to claim 6, it is characterised in that described very first time relay and second time relay are the on-delay type time relay.
8. the automobile-used coolant charging recovery system of one according to claim 1, it is characterized in that, described indicating lamp module includes the first one-way SCR of being sequentially connected with and the first display lamp and the second one-way SCR being sequentially connected with and the second display lamp, and the first described one-way SCR and the second one-way SCR are all connected with described power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521129236.1U CN205351883U (en) | 2015-12-29 | 2015-12-29 | Automobile -used refrigerant filling recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521129236.1U CN205351883U (en) | 2015-12-29 | 2015-12-29 | Automobile -used refrigerant filling recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205351883U true CN205351883U (en) | 2016-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521129236.1U Expired - Fee Related CN205351883U (en) | 2015-12-29 | 2015-12-29 | Automobile -used refrigerant filling recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205351883U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981879A (en) * | 2018-08-28 | 2018-12-11 | 江苏省精创电气股份有限公司 | A kind of portable coolant injection weighing tool and its control method |
| CN109941610A (en) * | 2019-02-22 | 2019-06-28 | 佛山精迅能冷链科技有限公司 | One kind filling cooling method and fills device for cooling |
-
2015
- 2015-12-29 CN CN201521129236.1U patent/CN205351883U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981879A (en) * | 2018-08-28 | 2018-12-11 | 江苏省精创电气股份有限公司 | A kind of portable coolant injection weighing tool and its control method |
| CN109941610A (en) * | 2019-02-22 | 2019-06-28 | 佛山精迅能冷链科技有限公司 | One kind filling cooling method and fills device for cooling |
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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: 20160629 Termination date: 20181229 |