CN205383823U - Multi -functional maintenance dolly of refrigeration air conditioner fills refrigerant system of annotating - Google Patents
Multi -functional maintenance dolly of refrigeration air conditioner fills refrigerant system of annotating Download PDFInfo
- Publication number
- CN205383823U CN205383823U CN201521059468.4U CN201521059468U CN205383823U CN 205383823 U CN205383823 U CN 205383823U CN 201521059468 U CN201521059468 U CN 201521059468U CN 205383823 U CN205383823 U CN 205383823U
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- China
- Prior art keywords
- compressor
- refrigerant
- valve
- recovery bottle
- refrigeration air
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Abstract
The utility model discloses a multi -functional maintenance dolly of refrigeration air conditioner fills refrigerant system of annotating, including the refrigerant recovery bottle, the pipe connection of refrigerant recovery bottle is equipped with a filling valve in the export of a compressor on the refrigerant recovery bottle, be equipped with recovery valve on the pipeline between refrigerant recovery bottle and compressor, is provided with the snifter valve on the entry of compressor, still include the circuit control system, the circuit control system include switch and the pressure controller who connects gradually with external power supply, the switch is established ties with pressure controller, pressure controller's one end is connected with the compressor through thermal overload protector, the compressor is connected through the starter and pressure controller's the other end. This system can be better the protection compressor.
Description
Technical field
This utility model relates to the multi-functional maintenance trolley of refrigeration air-conditioner, especially charging refrigerant system.
Background technology
Existing refrigerant recovering apparatus structure is complicated, and main spare and accessory parts are contained in shell, not intuitively, do not have pedagogical, is nearly all to realize the function such as single recovery cold-producing medium or filling cold-producing medium, uses trouble and expensive during maintenance refrigeration system.
For solving above-mentioned technical problem, at Chinese Patent Application No. be 201320561731.4 applyings date to be 2013.9.11 authorized announcement date be disclosed in the patent documentation of 2014.3.26 a kind of refrigerant recovering apparatus, including refrigerant-recovery bottle, it is connected to condenser with refrigerant-recovery bottle pipeline, condenser tubes is connected to the outlet of a compressor, the outlet conduit of compressor is connected to the air intake of an air bottle, refrigerant-recovery bottle is provided with the first fill valve, air bottle is provided with pressure controller and pressurizing valve, pipeline between refrigerant-recovery bottle and condenser is provided with recovery valve, pipeline between air bottle and compressor is provided with gas storage valve, the entrance of compressor is provided with inlet valve.
Above-mentioned refrigerant recovering apparatus set refrigerant-recovery, refrigeration oil discharge, purification filtering, evacuation, refrigerant charging, pressurization leakage detection, big bottle fill the function of bottle subpackage cold-producing medium, but compressor etc. can not better be protected by above-mentioned refrigerant recovering apparatus.
Summary of the invention
In order to better protect compressor, this utility model to provide a kind of multi-functional maintenance trolley charging refrigerant system of cold-producing medium air-conditioning.
For reaching above-mentioned purpose, a kind of multi-functional maintenance trolley charging refrigerant system of refrigeration air-conditioner, including refrigerant-recovery bottle, the pipeline of refrigerant-recovery bottle is connected to the outlet of a compressor, refrigerant-recovery bottle is provided with the first fill valve, pipeline between refrigerant-recovery bottle and compressor is provided with recovery valve, the entrance of compressor is provided with inlet valve；Also include circuit control system; described circuit control system includes the switch and the pressure controller that are sequentially connected with external power supply; switch is connected with pressure controller; one end of pressure controller is connected with compressor through overheat protector, and compressor is activated device and is connected with the other end of pressure controller.
Further, described refrigerant-recovery bottle is provided with liquid level mirror.
Further, between compressor and refrigerant-recovery bottle, it is provided with oil eliminator.
Further, the pipeline between described compressor and described inlet valve is provided with filter by suction.
Further, it is provided with the second fill valve between place the first fill valve and refrigerant-recovery bottle, between described first fill valve and the second fill valve, is provided with filling filter.
Further, described refrigerant-recovery bottle is provided with emptying needle-valve and blowdown needle-valve.
Further, described oil eliminator is provided with needle-valve of draining the oil.
The beneficial effects of the utility model are: owing to being provided with overheat protector, and when overheat of compressor, overheat protector disconnects automatically, play the effect of protection compressor.
Accompanying drawing explanation
Fig. 1 is the connection diagram of the multi-functional maintenance trolley of refrigeration air-conditioner.
Fig. 2 is the schematic diagram of circuit control system.
Fig. 3 is the schematic diagram of charging refrigerant system.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is further elaborated.
As it is shown in figure 1, the multi-functional maintenance trolley charging refrigerant system of refrigeration air-conditioner, including refrigerant-recovery bottle 1.It is connected to condenser 2 with refrigerant-recovery bottle 1 pipeline, described refrigerant-recovery bottle 1 is provided with liquid level mirror 5, the pipeline between described refrigerant-recovery bottle 1 and described condenser 2 is provided with recovered liquid mirror 11 and recovery valve 10.Pipeline between described recovered liquid mirror 10 and described condenser 2 is provided with external recovery valve 9.Refrigerant-recovery bottle 1 is provided with the first fill valve 6, between the first fill valve 6 and refrigerant-recovery bottle 1, is provided with the second fill valve 16, between described first fill valve 6 and the second fill valve 16, be provided with filling filter 17.Described refrigerant-recovery bottle 1 is provided with emptying needle-valve 21 and blowdown needle-valve 22.
Condenser 2 pipeline is connected to the outlet of compressor 3 by oil eliminator 14, and the pipeline of oil eliminator 14 is connected to the air intake of air bottle 4.
The entrance of compressor 3 is provided with inlet valve 13.Pipeline between described compressor 3 and described inlet valve 13 is provided with filter by suction 15.The entrance of described compressor 3 is provided with vacuum meter 20.Described oil eliminator 14 is provided with needle-valve 18 of draining the oil.
As shown in Figure 2; also include circuit control system; described circuit control system includes the switch 41 and the pressure controller 7 that are sequentially connected with external power supply; switch 41 is connected with pressure controller 7; one end of pressure controller 7 is connected with compressor 3 through overheat protector 42, and compressor 3 is activated device 43 and is connected with the other end of pressure controller 7.Output at pressure controller 7 is connected to fan 44 repeatedly, and fan 44 faces toward condenser 2.
As shown in Figure 3, corresponding Awaiting Overhaul equipment and the multi-functional maintenance trolley charging refrigerant system of refrigeration air-conditioner can be connected by a threeway maintenance valve 24 and realize the function of charging refrigerant, as shown in Figure 3, open compressor 3, open recovery valve 10, after checking the sealing of each junction and threeway maintenance valve 24, with hose connection first fill valve 6 of threeway maintenance valve 24 and Awaiting Overhaul equipment 25 low pressure maintenance valve, crack add the second fill valve 16, clearing pipeline air, the valve controlling threeway maintenance valve 24 fills by filling apparatus fluence requirement.Originally it is stored in the refrigerated medium in refrigerant-recovery bottle 1 and under the effect of pressure differential, Awaiting Overhaul system will be entered through filling filter 17.In filling process, the pressure that compressor 3 provides certain can be passed through.
Owing to being provided with overheat protector, when overheat of compressor, overheat protector disconnects automatically, plays the effect of protection compressor.Owing to being provided with fan, and fan is facing to condenser, which increases the distinguished and admirable speed around condenser, accelerates the heat radiation of condenser.
Claims (7)
1.A kind of multi-functional maintenance trolley charging refrigerant system of refrigeration air-conditioner, including refrigerant-recovery bottle, the pipeline of refrigerant-recovery bottle is connected to the outlet of a compressor, refrigerant-recovery bottle is provided with the first fill valve, pipeline between refrigerant-recovery bottle and compressor is provided with recovery valve, the entrance of compressor is provided with inlet valve；It is characterized in that: also include circuit control system; described circuit control system includes the switch and the pressure controller that are sequentially connected with external power supply; switch is connected with pressure controller; one end of pressure controller is connected with compressor through overheat protector, and compressor is activated device and is connected with the other end of pressure controller.
2.The multi-functional maintenance trolley charging refrigerant system of refrigeration air-conditioner according to claim 1, it is characterised in that: on described refrigerant-recovery bottle, it is provided with liquid level mirror.
3.The multi-functional maintenance trolley charging refrigerant system of refrigeration air-conditioner according to claim 2, it is characterised in that: between compressor and refrigerant-recovery bottle, it is provided with oil eliminator.
4.The multi-functional maintenance trolley charging refrigerant system of refrigeration air-conditioner according to any one of claims 1 to 3, it is characterised in that: the pipeline between described compressor and described inlet valve is provided with filter by suction.
5.The multi-functional maintenance trolley charging refrigerant system of refrigeration air-conditioner according to claim 1, it is characterised in that: it is provided with the second fill valve between place the first fill valve and refrigerant-recovery bottle, between described first fill valve and the second fill valve, is provided with filling filter.
6.The multi-functional maintenance trolley charging refrigerant system of refrigeration air-conditioner according to claim 1, it is characterised in that: on described refrigerant-recovery bottle, it is provided with emptying needle-valve and blowdown needle-valve.
7.The multi-functional maintenance trolley charging refrigerant system of refrigeration air-conditioner according to claim 3, it is characterised in that: it is provided with, on described oil eliminator, needle-valve of draining the oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521059468.4U CN205383823U (en) | 2015-12-18 | 2015-12-18 | Multi -functional maintenance dolly of refrigeration air conditioner fills refrigerant system of annotating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521059468.4U CN205383823U (en) | 2015-12-18 | 2015-12-18 | Multi -functional maintenance dolly of refrigeration air conditioner fills refrigerant system of annotating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205383823U true CN205383823U (en) | 2016-07-13 |
Family
ID=56337371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521059468.4U Expired - Fee Related CN205383823U (en) | 2015-12-18 | 2015-12-18 | Multi -functional maintenance dolly of refrigeration air conditioner fills refrigerant system of annotating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205383823U (en) |
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2015
- 2015-12-18 CN CN201521059468.4U patent/CN205383823U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20160713 Termination date: 20161218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |