CN211876447U - Filling machine - Google Patents
Filling machine Download PDFInfo
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- CN211876447U CN211876447U CN202020641244.9U CN202020641244U CN211876447U CN 211876447 U CN211876447 U CN 211876447U CN 202020641244 U CN202020641244 U CN 202020641244U CN 211876447 U CN211876447 U CN 211876447U
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- refrigerant
- valve
- energy storage
- switch valve
- filling
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Abstract
The utility model provides a fill notes machine fills and annotates the machine and includes refrigerant switching module, energy storage jar, fills and annotate the flowmeter and fill and annotate the rifle. Fill and annotate the rifle and connect in the export of energy storage jar, fill and annotate the rifle and pass through the connecting pipe subassembly and connect on the energy storage jar, fill and annotate the flowmeter and install on the connecting pipe subassembly, the refrigerant switches the module and includes two at least refrigerant pipeline subassemblies. The refrigerant pipeline assembly comprises a refrigerant pipeline, a first switch valve, a second switch valve, a pressure release valve and a pressure detection part, wherein the first switch valve, the second switch valve, the pressure release valve and the pressure detection part are all installed on the refrigerant pipeline, the pressure detection part is used for detecting the pressure in the refrigerant pipeline between the first switch valve and the second switch valve, and the pressure release valve and the pressure detection part are both located between the first switch valve and the second switch valve. The first end of each refrigerant pipeline is provided with a refrigerant access port, and the second end of each refrigerant pipeline is connected with the inlet of the energy storage tank. The charger can realize automatic switching of the refrigerant.
Description
Technical Field
The utility model belongs to the technical field of automated control and specifically relates to a fill notes machine that is used for filling the refrigerant to the heat exchanger of air conditioner.
Background
With the improvement of living standard, the air conditioner becomes a necessary household appliance for improving the living quality of consumers. The current air-conditioning refrigerant models comprise three types of R22, R32 and R410A; r22 is a traditional refrigerant, is most commonly used and low in cost, and cannot be completely replaced for a while; however, R22 can destroy the ozone layer and aggravate the greenhouse effect, and the national regulation finishes R22 elimination by 2030 years ago, so that the air-conditioning industry of China gradually uses the environment-friendly refrigerant R32 to replace R22. Since R32 is not suitable for marine transportation and has insufficient international acceptance, overseas customers generally require air conditioners equipped with R410A environment-friendly refrigerants, so that the situation that three refrigerants coexist in a production site occurs. Meanwhile, the three refrigerants cannot be mixed, the refrigerants need to be matched with the oil and the compression ratio of the compressor, and the service life and the performance of the compressor are influenced because the oil shortage of the compressor is caused by the mixed use of the refrigerants.
At present, the charging machines are limited by factors such as equipment cost, use places and the like, the charging machines in the industry share one charging machine for multiple refrigerants, the charging machines do not have the function of automatically switching the refrigerants, and the refrigerant switching can be carried out only by manually disassembling and replacing a refrigerant butt joint pipeline.
First, fill and fill the machine and tear different kinds of refrigerant butt joint pipelines open and trade through the manual work and carry out the refrigerant switching, and the switching process is loaded down with trivial details, increases staff's work load.
Secondly, after the refrigerant is switched, no refrigerant switching signal is output from the charging machine, no monitoring means is provided for refrigerant exchange and refrigerant omission, the refrigerant switching quality needs to be confirmed on multiple sites, the management difficulty of the charging machine is increased, and the management defects of supervision failure and the like exist.
Third, the filling machine can not form refrigerant switching records, the manual paper refrigerant switching records are needed, the management difficulty is high, the paper refrigerant switching records can not be stored for a long time, and the data tracing is not facilitated.
Disclosure of Invention
The utility model aims at providing a realize filling machine of refrigerant automatic switch-over.
In order to achieve the above object, the utility model provides a fill annotate machine, switch module, energy storage jar, fill annotate the flowmeter and fill the notes rifle including the refrigerant. Fill and annotate the rifle and connect in the export of energy storage jar, fill and annotate the rifle and pass through the connecting pipe subassembly and connect on the energy storage jar, fill and annotate the flowmeter and install on the connecting pipe subassembly, the refrigerant switches the module and includes two at least refrigerant pipeline subassemblies. The refrigerant pipeline assembly comprises a refrigerant pipeline, a first switch valve, a second switch valve, a pressure release valve and a pressure detection part, wherein the first switch valve, the second switch valve, the pressure release valve and the pressure detection part are all installed on the refrigerant pipeline, the pressure detection part is used for detecting the pressure in the refrigerant pipeline between the first switch valve and the second switch valve, and the pressure release valve and the pressure detection part are both located between the first switch valve and the second switch valve. The first end of each refrigerant pipeline is provided with a refrigerant access port, and the second end of each refrigerant pipeline is connected with the inlet of the energy storage tank.
As can be seen from the above solution, each refrigerant inlet is connected to a refrigerant tank, so that a refrigerant can flow through each refrigerant pipe. When the refrigerant is switched, the first switch valve and the second switch valve on the refrigerant pipeline of the refrigerant before switching are closed, then the pressure relief valve relieves the pressure of the pipeline between the first switch valve and the second switch valve, and the pipeline is closed after reaching the standard atmospheric pressure. Then, open the first ooff valve and the second ooff valve of switching back refrigerant, accomplish the switching of refrigerant, the refrigerant after the switching fills to fill in the energy storage jar and carries out the pressure boost to the energy storage jar to follow-up filling the refrigerant in to the heat exchanger through filling the rifle, the utility model discloses a filling the machine and can realizing refrigerant automatic switch-over, reduce staff's work load, practice thrift operating time and improve production efficiency. In addition, the pressure detection component is arranged between the first switch valve and the second switch valve on the refrigerant pipeline, so that the refrigerant pipeline in the non-charging state can be detected, and the refrigerant leakage caused by damage of the first switch valve and the second switch valve on the refrigerant pipeline in the non-charging state is prevented.
One preferred scheme is that the quantity of energy storage jar is a plurality of, and the entry of a plurality of energy storage jar all is connected with the second end of refrigerant pipe, all installs one on every connecting tube subassembly of connecting on the energy storage jar and fills the flowmeter, and at least one is filled the rifle to an energy storage jar connection.
Therefore, the filling flow meter is used for controlling the filling flow of the filling gun, and the plurality of energy storage tanks are used for filling the plurality of heat exchangers simultaneously, so that the filling efficiency is improved.
The further scheme is that a plurality of energy storage tanks are all arranged at the second end of the refrigerant pipeline.
Therefore, all parts are reasonably and compactly arranged, and the space utilization rate is improved.
Preferably, the refrigerant pipeline is further provided with a third on-off valve, and the third on-off valve is arranged close to the refrigerant inlet.
Therefore, the third switch valve is close to the connection position of the refrigerant pipeline and the refrigerant tank, so that the reliability of the connection is ensured.
Preferably, the plurality of refrigerant tubes are arranged in parallel.
It can be seen that the multiple refrigerant line assemblies are arranged compactly.
Preferably, the filling machine further includes a vacuum extractor and a three-way valve, the three-way valve includes a first valve port, a second valve port and a third valve port, the first valve port is fixedly connected to a pipe of the vacuum extractor, the second valve port is connected to the filling flow meter through a first connection pipe, and the third valve port is connected to the filling gun through a second connection pipe.
Therefore, the vacuumizing device is used for vacuumizing the filling gun and detecting whether the vacuum degree in the heat exchanger meets the requirement or not.
The charger further comprises a scanning gun and a controller, and the scanning gun, the refrigerant switching module and the vacuumizing device are electrically connected with the controller.
Therefore, the MES codes of the charged heat exchangers are identified through the scanning gun, so that the types of the refrigerants which need to be charged into the heat exchangers are judged, information management is realized, the management difficulty is reduced, and the problems of refrigerant exchange errors and refrigerant exchange omission are solved.
Still further, the charge gun and the scan gun are located on the same side of the refrigerant switching module.
Therefore, the user adopts the scanning gun to identify the type of the refrigerant needing to be filled, the position is not required to be changed by moving, the filling gun is directly taken down to fill the heat exchanger, and therefore the convenience of operation of the user is improved.
According to a further scheme, the filling machine further comprises a base, and the refrigerant switching module, the vacuumizing device and the energy storage tank are all installed on the base. The filling gun and the scanning gun are both located on the first side of the refrigerant switching module, the vacuumizing device is arranged on the second side of the refrigerant switching module, and the second side is opposite to the first side. The energy storage tank is arranged on the third side of the refrigerant switching module, the refrigerant access port is located on the fourth side of the refrigerant switching module, and the fourth side and the third side are arranged oppositely.
Therefore, the filling gun, the energy storage tank and the vacuumizing device are arranged around the refrigerant switching module, the reasonability of arrangement of all parts is improved, the filling machine is integrally compact, and the space utilization rate is improved.
In a preferred embodiment, the first switching valve may be a pneumatic valve or a solenoid valve, and the second switching valve may be a pneumatic valve or a solenoid valve.
Drawings
Fig. 1 is a perspective view of an embodiment of the filling machine of the present invention.
Fig. 2 is a perspective view of a refrigerant switching module in an embodiment of a charging machine of the present invention.
Fig. 3 is a control schematic diagram of an embodiment of the filling machine of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Referring to fig. 1 to 3, the filling machine of the present embodiment includes a base 11, an operation panel 12, a refrigerant switching module 2, a scanning gun 3, a controller 10, two energy storage tanks 4, two filling flow meters 41, two vacuum pumps 5, and two filling guns 6. The operation panel 12, the scanning gun 3, the refrigerant switching module 2, the charge flow meter 41, and the vacuum extractor 5 are electrically connected to the controller 10. Preferably, the evacuation device 5 is an evacuation pump.
The refrigerant switching module 2, the vacuumizing device 5 and the energy storage tank 4 are all installed on the base 11. The base 11 is provided with a supporting plate 13 extending in the vertical direction, the operating panel 12 is installed on the top of the supporting plate 13, the operating panel 12, the filling gun 6 and the scanning gun 3 are all located on a first side 21 of the refrigerant switching module 2, the two vacuum pumping devices 5 are arranged on a second side 22 of the refrigerant switching module 2, and the second side 22 is arranged opposite to the first side 21. Both energy storage tanks 4 are arranged on a third side 23 of the refrigerant switching module 2.
The refrigerant switching module 2 includes a refrigerant line assembly 7, a refrigerant line assembly 8, and a refrigerant line assembly 9.
The refrigerant piping assembly 7 includes a refrigerant pipe 71, a switching valve 72, a flow meter 77, a first pneumatic valve 73, a second pneumatic valve 74, a relief valve 75, and a pressure sensor 76. The switching valve 72, the first air-operated valve 73, the second air-operated valve 74, the relief valve 75, and the pressure sensor 76 are all installed on the refrigerant pipe 71, the relief valve 75 and the pressure sensor 76 are both located between the first air-operated valve 73 and the second air-operated valve 74, and the pressure sensor 76 is used to detect the pressure in the refrigerant pipe 71 between the first air-operated valve 73 and the second air-operated valve 74. A first end of the refrigerant pipe 71 is provided with a refrigerant inlet 70, a switching valve 72 is provided near the refrigerant inlet 70, the refrigerant inlet 70 is located at the fourth side 24 of the refrigerant switching module 2, and the fourth side 24 is disposed opposite to the third side 23 of the refrigerant switching module 2.
The refrigerant piping assembly 8 includes a refrigerant pipe 81, a switching valve 82, a flow meter 87, a first pneumatic valve 83, a second pneumatic valve 84, a relief valve 85, and a pressure sensor 86. The refrigerant line assembly 9 includes a refrigerant pipe 91, a switching valve 92, a flow meter 97, a first pneumatic valve 93, a second pneumatic valve 94, a pressure relief valve 95 and a pressure sensor 96. The refrigerant line assembly 8 and the refrigerant line assembly 9 have the same structure as the refrigerant line assembly 7, and are not described in detail herein.
The refrigerant pipe 71, the refrigerant pipe 81, and the refrigerant pipe 91 are arranged in parallel. The refrigerant switching module 2 is connected with the energy storage tank 4 through a connecting pipe 40, the second end of the refrigerant pipeline 71, the second end of the refrigerant pipeline 81 and the second end of the refrigerant pipeline 91 are connected to the middle of the connecting pipe 40, the two ends of the connecting pipe 40 are respectively connected with the inlets of the two energy storage tanks 4, and the inlets of the energy storage tanks 4 are located at the bottoms of the energy storage tanks 4.
One fills and annotates rifle 6 and connects on an energy storage tank 4 through a connecting pipe subassembly, fill and annotate flowmeter 41 and install on the corresponding connecting pipe subassembly, all install one and fill and annotate flowmeter 41 on every connecting pipe subassembly, the connecting pipe subassembly includes connecting pipe 42, connecting pipe 43 and connecting pipe 62, the export 44 of an energy storage tank 4 is connected to the entry that fills flowmeter 41 through a connecting pipe 42, fill and annotate flowmeter 41, evacuating device 5, fill and annotate rifle 6 and connect through three-way valve 60, the first valve port of three-way valve 60 and the pipeline 51 fixed connection of evacuating device 5, the second valve port of three-way valve 60 and the connecting pipe 43 fixed connection in the export that fills and annotate flowmeter 41, the third valve port of three-way valve 60 and the connecting pipe 62 fixed connection on filling rifle 6. Both three-way valves 60 are fixed to the support plate 13, and the charge flow meter 41 is used to detect the flow rate of the refrigerant flowing to the charge gun 6 through the connection pipe 42 and the connection pipe 43.
The charging machine of the present invention can set parameters (for example, the type of the refrigerant, the amount of the refrigerant to be charged, etc.) by controlling the operation panel 12. The refrigerant switching module 2 switches the refrigerant according to the control signal output by the controller 10, and then the refrigerant is charged through the energy storage tank 4, the charging flow meter 41 and the charging gun 6.
When the product model switches, scan product MES sign indicating number through scanning rifle 3 and acquire that the product need fill relevant information such as refrigerant kind (like refrigerant A) into to feed back to controller 10, operating panel 12 indicates whether to change relevant parameter and whether to switch the refrigerant, verify and confirm the back, fill the refrigerant information that the machine automatic check was obtained in the scanning and the current uniformity of filling the machine refrigerant, if unanimous then need not to switch, if inconsistent, controller 10 feeds back each item information respectively to refrigerant switching module 2 again.
Next, when the types of the refrigerants before and after switching are not matched and the refrigerants are switched, the first air-operated valve 83 and the second air-operated valve 84 in the refrigerant pipe 81 for the refrigerant before switching (for example, the refrigerant B) are closed, and then the relief valve 85 relieves the pressure in the pipe between the first air-operated valve 83 and the second air-operated valve 84, and closes the pipe after the standard atmospheric pressure is reached. Next, the first and second pneumatic valves 73 and 74 for the switched refrigerant are opened to complete the switching of the refrigerant, and the switched refrigerant is charged into the energy storage tank 4 to pressurize the energy storage tank 4 so that the heat exchanger is subsequently charged with the refrigerant by the charging gun 6. The heat exchanger may be an evaporator of an indoor unit or a condenser of an outdoor unit. After the refrigerant switching is completed, the refrigerant switching module 2 feeds back a signal to the controller 10 to form a switching record. In this process, the pressure sensor 86 feeds back a pressure signal in the refrigerant pipe 81 and the pressure sensor 96 feeds back a pressure signal in the refrigerant pipe 91 to the controller 10, thereby achieving real-time detection of the presence or absence of leakage in the first air-operated valve 83, the second air-operated valve 84, the first air-operated valve 93 and the second air-operated valve 94.
The controller 10 will then prompt the filler machine's plumbing system for system cleaning by venting a metered amount of refrigerant through the filler gun 6, and after cleaning, will dock the filler gun 6 with the heat exchanger product. When the types of the refrigerants before and after switching are identical, the step does not need to be executed.
Next, the vacuum pumping device 5 pumps the filling gun 6, and detects the vacuum degree of the heat exchanger product.
And then, after the filling gun 6 is vacuumized, and the vacuum degree of the heat exchanger product is qualified, the refrigerant filling flow meter detects the flow of the refrigerant flowing from the energy storage tank 4 to the filling gun 6, and the refrigerant is filled into the heat exchanger product through the filling gun 6.
After the refrigerant is filled, the filling gun 6 is automatically closed, the filling gun 6 is pulled out, and the staff butt-joints the filling gun 6 to the next heat exchanger product to perform code scanning and filling cycle operation.
Therefore, the charging machine is provided with the refrigerant switching module, so that automatic switching of the refrigerant of the charging machine is realized, the workload of workers is reduced, the operation time is saved, and the production efficiency is improved. In addition, the pressure sensor is arranged between the first pneumatic valve and the second pneumatic valve on the refrigerant pipeline, so that the refrigerant pipeline in a non-charging state can be detected, and the refrigerant leakage caused by damage of the pneumatic valve on the refrigerant pipeline in the non-charging state is prevented. After the refrigerant switching module finishes the refrigerant switching, a refrigerant switching signal is output, the operation panel can display the current refrigerant type, the information management is realized, the management difficulty is reduced, and the problems of refrigerant misswitching and refrigerant neglected switching are avoided. Through the informatization technology, the filling machine automatically forms information records such as refrigeration switching types, time, operators and filling quantity, information management is realized, and effective data tracing is guaranteed. By adopting the flow monitoring technology, the flow meter monitors the total output flow of the refrigerant tank in real time, the charging flow meter monitors the flow output from the charging machine in real time, and the output consistency of the refrigerant output from the refrigerant tank and the refrigerant output from the charging machine is ensured by regular background flow comparison.
In addition, the number of refrigerant line assemblies may be two or more. The first pneumatic valve and the second pneumatic valve can be replaced by a switch valve such as an electromagnetic valve. The number of the filling guns can be more than two, and at least one filling gun is connected to one energy storage tank. The positions of the vacuum pumping device, the energy storage tank and other components can be changed according to actual needs. The above changes also enable the object of the present invention to be achieved.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, and are not intended to limit the scope of the present invention, as those skilled in the art will appreciate that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended to cover all such modifications, equivalents, and improvements as fall within the true spirit and scope of the invention.
Claims (10)
1. The charging machine is characterized by comprising a refrigerant switching module, an energy storage tank, a charging flow meter and a charging gun;
the filling gun is connected to the outlet of the energy storage tank, the filling gun is connected to the energy storage tank through a connecting pipe assembly, and the filling flowmeter is installed on the connecting pipe assembly;
the refrigerant switching module comprises at least two refrigerant line assemblies;
the refrigerant pipeline assembly comprises a refrigerant pipeline, a first switch valve, a second switch valve, a pressure release valve and a pressure detection component, wherein the first switch valve, the second switch valve, the pressure release valve and the pressure detection component are all arranged on the refrigerant pipeline, the pressure release valve and the pressure detection component are all positioned between the first switch valve and the second switch valve, and the pressure detection component is used for detecting the pressure in the refrigerant pipeline between the first switch valve and the second switch valve;
the first end of each refrigerant pipeline is provided with a refrigerant access port, and the second end of each refrigerant pipeline is connected with the inlet of the energy storage tank.
2. The filling machine as claimed in claim 1, wherein:
the quantity of energy storage jar is a plurality of, and is a plurality of the entry of energy storage jar all with the second end of refrigerant pipeline is connected, every is connected all install one on the connecting tube subassembly on the energy storage jar fill and annotate the flowmeter, one the energy storage jar is connected at least one fill and annotate the rifle.
3. The filling machine as claimed in claim 2, wherein:
the plurality of energy storage tanks are all arranged at the second end of the refrigerant pipeline.
4. The filling machine as claimed in any one of claims 1 to 3, wherein:
the refrigerant pipeline is also provided with a third switch valve, and the third switch valve is arranged close to the refrigerant access.
5. The filling machine as claimed in any one of claims 1 to 3, wherein:
the plurality of refrigerant pipes are arranged in parallel.
6. The filling machine as claimed in any one of claims 1 to 3, wherein:
the filling machine further comprises a vacuumizing device and a three-way valve, wherein the three-way valve comprises a first valve port, a second valve port and a third valve port, the first valve port is fixedly connected with a pipeline of the vacuumizing device, the second valve port is connected with the filling flow meter through a first connecting pipe, and the third valve port is connected with the filling gun through a second connecting pipe.
7. The filling machine as claimed in claim 6, wherein:
the charger further comprises a scanning gun and a controller, and the scanning gun, the refrigerant switching module and the vacuumizing device are all electrically connected with the controller.
8. The filling machine as claimed in claim 7, wherein:
the charging gun and the scanning gun are located on the same side of the refrigerant switching module.
9. The filling machine as claimed in claim 8, wherein:
the charger also comprises a base, and the refrigerant switching module, the vacuumizing device and the energy storage tank are all arranged on the base;
the charging gun and the scanning gun are both positioned on a first side of the refrigerant switching module, the vacuumizing device is arranged on a second side of the refrigerant switching module, and the second side is opposite to the first side;
the energy storage tank is arranged on a third side of the refrigerant switching module, the refrigerant access port is positioned on a fourth side of the refrigerant switching module, and the fourth side is arranged opposite to the third side.
10. The filling machine as claimed in claim 9, wherein:
the first switching valve may be a pneumatic valve or a solenoid valve, and the second switching valve may be a pneumatic valve or a solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020641244.9U CN211876447U (en) | 2020-04-23 | 2020-04-23 | Filling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020641244.9U CN211876447U (en) | 2020-04-23 | 2020-04-23 | Filling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211876447U true CN211876447U (en) | 2020-11-06 |
Family
ID=73235159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020641244.9U Expired - Fee Related CN211876447U (en) | 2020-04-23 | 2020-04-23 | Filling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211876447U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112815585A (en) * | 2021-01-11 | 2021-05-18 | 珠海格力智能装备有限公司 | Filling machine system, and control method and device of filling machine |
-
2020
- 2020-04-23 CN CN202020641244.9U patent/CN211876447U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112815585A (en) * | 2021-01-11 | 2021-05-18 | 珠海格力智能装备有限公司 | Filling machine system, and control method and device of filling machine |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201106 Termination date: 20210423 |
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| CF01 | Termination of patent right due to non-payment of annual fee |