CN211345953U - Manual refrigerant enclosing device - Google Patents
Manual refrigerant enclosing device Download PDFInfo
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- CN211345953U CN211345953U CN201922480330.6U CN201922480330U CN211345953U CN 211345953 U CN211345953 U CN 211345953U CN 201922480330 U CN201922480330 U CN 201922480330U CN 211345953 U CN211345953 U CN 211345953U
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- refrigerant
- connecting pipe
- pressure
- enclosing device
- tank body
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Abstract
The utility model discloses a manual device of enclosing of refrigerant, the device of enclosing includes the small tank body, the intercommunication has the connecting pipe on the small tank body, be equipped with on the connecting pipe respectively be used for with the refrigerant jar body or vacuum pump or the quick-operation joint of the refrigeration circuit intercommunication of the experiment cabinet body, be used for the needle valve of connecting pipe pressure release, be used for control the control valve and the demonstration that the connecting pipe was opened or was closed the manometer of internal pressure of small tank, pointer and pressure display check number have on the manometer. The utility model discloses can control the enclosing and emitting of a small amount of refrigerant, and simple structure, the preparation is convenient, convenient to use, and the freezer is swift save time when doing the experiment of relevant refrigerant enclosure volume or directly enclosing the refrigerant.
Description
Technical Field
The utility model relates to a refrigerant device of enclosing further is a manual device of enclosing mainly to gaseous state refrigerant, specifically is a manual device of enclosing of refrigerant.
Background
At present, in the development test stage and the production stage of new products, each refrigerator manufacturer needs to seal the refrigerant into the refrigeration loop after the refrigeration loop of the refrigerator is assembled, and particularly in the initial refrigerant sealing amount confirmation test process, a small amount of refrigerant needs to be added or discharged continuously to adjust the refrigerant using amount in the refrigeration loop so as to find the optimal sealing amount of the refrigerant. In the process of the refrigerant sealing test, not only are the steps complicated, but also the requirement on the amount of the refrigerant is strict, and if a factory production line refrigerant sealing machine is used, the cabinet body needs to be transferred back and forth between a laboratory and a production line, so that time and labor are wasted, and the addition or discharge of a small amount of the refrigerant cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned problems, a manual refrigerant sealing device is provided. The utility model discloses a small tank body has mainly been adopted and has been saved the refrigerant to the small tank body of transfer realizes the refrigerant transport between the experiment cabinet body and the refrigerant jar body, the utility model discloses a technical means as follows:
a manual refrigerant enclosing device comprises an enclosing device, a manual refrigerant enclosing device and a manual refrigerant enclosing device, wherein the enclosing device is used for transferring refrigerant in a refrigerant tank body into a laboratory cabinet body or extracting the refrigerant in the laboratory cabinet body into the enclosing device;
the enclosing device comprises a small tank body, a connecting pipe is communicated with the small tank body, a quick connector, a needle valve, a control valve and a pressure gauge are arranged on the connecting pipe, the quick connector is used for being communicated with the refrigerant tank body or the vacuum pump or a refrigerating circuit of the experimental cabinet body, the needle valve is used for relieving pressure of the connecting pipe, the control valve is used for controlling the connecting pipe to be opened or closed, the pressure gauge is used for displaying the pressure in the small tank body, and a pointer and a pressure display grid number are arranged on the pressure gauge.
And a tank body support is fixed at the bottom of the small tank body.
The refrigerant tank is connected with a pressure reducing valve, the pressure reducing valve is provided with a high pressure meter and a low pressure meter, the pressure reducing valve is connected with a refrigerant tank connector matched with the quick connector through a refrigerant tank connecting pipe, and the quick connector is connected with the refrigerant tank through the refrigerant tank connector.
The refrigerant is a gaseous refrigerant.
The connecting pipe and the refrigerant tank body connecting pipe are copper pipes or hoses or other pipes capable of achieving connection and sealing.
The utility model discloses two kinds of user state have:
one is that the refrigerant in the refrigerant tank body is conveyed into the experiment cabinet body through the enclosing device: first, the vacuum pump is connected to the quick coupling, and the enclosing device is evacuated using the vacuum pump; weighing the evacuated sealed device, and recording the weight as m1(ii) a Evacuating air in the connecting pipe, connecting the quick connector with the refrigerant tank body, opening the control valve, enabling the refrigerant in the refrigerant tank body to enter the small tank body, then closing the control valve, separating the quick connector from the refrigerant tank body, weighing the enclosing device filled with the refrigerant, and recording the weight of the enclosing device as M1The weight of the refrigerant charged into the enclosing device is M1-m1(ii) a Observing the number of the grids where the pointer of the pressure gauge is positioned is S1The weight of the refrigerant represented by the number of pressure cells per cell is (M)1-m1)/S1(ii) a The estimated required refrigerant weight of the refrigerating circuit of the experimental cabinet body is A1The number of the lattices represented by the weight of the refrigerant required to be filled in the experimental cabinet body is A1·S1/(M1-m1) (ii) a Communicating the quick connector of the enclosing device filled with the refrigerant with a refrigeration circuit of the experimental cabinet body, and opening the control valve to enable the refrigerant in the enclosing device to slowly flowInto the refrigeration circuit; then, when the pointer of the pressure gauge points to A1·S1/(M1-m1) Closing the control valve when the number of the grids is large, and separating the quick connector from a refrigerating circuit of the experimental cabinet body; the enclosed device was weighed and its weight recorded as M1De-mixing; finally, calculating the actual charge of the refrigerant in the refrigeration circuit of the experimental cabinet, which is M1-m1-M1III and A1Comparing values; if not A1If so, repeating the step S15 to transfer the refrigerant into the experimental cabinet body until the actual charging amount into the refrigeration circuit of the experimental cabinet body reaches A1A value;
the other is that the refrigerant in the laboratory cabinet body is conveyed into the enclosing device through the enclosing device: firstly, confirming the weight of the refrigerant represented by the number of pressure grids of each pressure meter; connecting the vacuum pump with the quick connector, and vacuumizing the enclosing device by using the vacuum pump; weighing the evacuated sealed device, and recording the weight as m2(ii) a Then, the quick connector is connected with a refrigerating circuit of the experimental cabinet body, the control valve is opened, the refrigerant of the experimental cabinet body enters the small tank body, and when the pointer of the pressure gauge points to the weight A of the refrigerant pre-discharged from the experimental cabinet body2When the number of the pressure gauges is represented, the control valve is closed, the quick connector is separated from the experimental cabinet body, the enclosing device filled with the refrigerant is weighed, and the weight of the enclosing device is recorded as M2The weight of the refrigerant charged into the enclosing device is M2-m2(ii) a Finally, compare M2-m2Whether or not to reach A2If not, the addition is repeated until the weight of the refrigerant in the sealing device and A2Value matching; and if so, finishing the transfer of the refrigerant in the refrigeration loop of the experimental cabinet body.
And the needle valve is adopted to release the pressure of the connecting pipe before the quick connector is separated from the experiment cabinet body or the experiment cabinet body.
The utility model has the advantages of it is following:
1. the sealing and discharging of a small amount of refrigerant can be controlled.
2. Simple structure and convenient manufacture.
3. The refrigerator is convenient to use, and is quick and time-saving when the refrigerator is used for carrying out related refrigerant sealing amount tests or directly sealing the refrigerant.
Based on the above reason, the utility model discloses can inject or emit the field such as extensively promote in the refrigerant of the experiment cabinet body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a manual refrigerant enclosing device according to an embodiment of the present invention.
Fig. 2 is a schematic view showing a connection between a refrigerant manual sealing device and a refrigerant tank according to an embodiment of the present invention.
Fig. 3 is a schematic view showing the connection between a manual refrigerant sealing device and an experimental cabinet according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 3, a manual refrigerant-sealing device includes a sealing device 3, wherein the sealing device 3 is used for transferring refrigerant in a refrigerant tank body 1 into an experimental cabinet 2 or extracting refrigerant in the experimental cabinet 2 into the sealing device 3; the enclosing device 3 comprises a small tank body 37, a connecting pipe 31 is communicated with the small tank body 37, a quick connector 32 communicated with the refrigerant tank body 1 or the vacuum pump or the refrigerating circuit 21 of the experiment cabinet body 2, a needle valve 33 used for pressure relief of the connecting pipe 31, a control valve 34 used for controlling the opening or closing of the connecting pipe 31 and a pressure gauge 35 used for displaying the pressure in the small tank body 37 are respectively arranged on the connecting pipe 31, and a pointer and a pressure display grid number are arranged on the pressure gauge 35.
A tank support 36 is fixed at the bottom of the small tank 37.
The refrigerant tank body 1 is connected with a pressure reducing valve 11, the pressure reducing valve 11 is provided with a high pressure meter and a low pressure meter, the pressure reducing valve 11 is connected with a refrigerant tank body joint 12 matched with the quick joint 32 through a refrigerant tank body connecting pipe 13, and the quick joint 32 is connected with the refrigerant tank body 1 through the refrigerant tank body joint 12.
The refrigerant is a gaseous refrigerant.
The connecting pipe 31 and the refrigerant tank connecting pipe 13 are copper pipes or hoses or other pipes capable of achieving connection and sealing.
The utility model discloses two kinds of user state have:
the method is characterized in that the sealing device 3 is used for transferring the refrigerant in the refrigerant tank 1 into the refrigeration circuit 21 of the experimental cabinet 2: firstly, connecting the vacuum pump with the quick connector 32, and vacuumizing the small tank 37 by using the vacuum pump; confirming that the small tank body 37 meets the vacuum requirement according to the pressure display value of the pressure gauge 35 or the vacuum pump; the evacuated enclosure device 3 is weighed and its weight m is recorded1(ii) a The quick joint 32 is communicated with the pressure reducing valve 11 of the refrigerant tank 1 through the emptied refrigerant tank joint 12, the valve of the refrigerant tank 1 is opened, the pressure in the refrigerant tank 1 is displayed by a high pressure gauge of the pressure reducing valve 11 at the moment, then the pressure reducing valve 11 is opened slowly, and the pressure on the pressure reducing valve 11 is observedThe low-pressure gauge, make its control in certain pressure range, open after pressure is stable the control valve 34 of enclosing device 3 makes refrigerant in the refrigerant jar body 1 slowly gets into in the little jar body 37, observe manometer 35 closes after the pointer of manometer 35 is stable control valve 34 and all valves adopt needle valve 33 is right connecting pipe 31 pressure release will quick-operation joint 32 with the separation of the refrigerant jar body 1, and will be equipped with the refrigerant enclose device 3 weigh to record its weight as M1The weight of the refrigerant charged into the sealing device 3 is M1-m1(ii) a Observing the number of the grids where the pointer of the pressure gauge is positioned is S1The weight of the refrigerant represented by the number of pressure cells per cell is (M)1-m1)/S1(ii) a The estimated required weight A of the refrigerant in the refrigerating circuit 21 of the experimental cabinet 21The number of the lattices represented by the weight of the refrigerant required to be filled in the experimental cabinet body is A1·S1/(M1-m1) (ii) a Communicating the quick connector 32 of the enclosing device 3 filled with the refrigerant with a low-pressure end (which may be connected with a high-pressure end in special cases) of the refrigeration circuit 21 of the experimental cabinet body 2, and slowly opening the control valve 34 to make the refrigerant in the small tank body 37 slowly flow into the refrigeration circuit 21 (at this time, if the pressure balance between the refrigeration circuit 21 and the enclosing device 3 cannot be added, the refrigeration system 21 of the experimental cabinet body 2 can be operated, and the low-pressure suction of the refrigeration system 21 of the experimental cabinet body 2 is used for slow addition); then, when the pointer of the pressure gauge 35 points to A1·S1/(M1-m1) When the number of the test cabinet is counted, the control valve 34 is closed, and the quick connector 32 is separated from the refrigeration circuit 21 of the test cabinet 2; the enclosing device 3 is weighed and its weight M is recorded1De-mixing; finally, the actual charge of refrigerant in the refrigeration circuit 21 of the experimental cabinet 2 is calculated, which is M1-m1-M1III and A1Comparing values; if not A1If so, the steps are repeated, a small amount of refrigerant is added into the experimental cabinet body 2 until the actual charging amount into the refrigeration circuit 21 of the experimental cabinet body 2 reaches A1A value;
the other is to transfer the refrigerant in the refrigeration circuit 21 of the experimental cabinet 2 into the enclosing device 3 by using the enclosing device 3: firstly, confirming the weight of the refrigerant represented by the number of pressure grids in each pressure meter 35; connecting the vacuum pump to the quick coupling 32, and evacuating the enclosing device 3 by using the vacuum pump; the evacuated enclosure device 3 is weighed and its weight m is recorded2(ii) a Then, the quick coupling 32 is connected to the refrigeration circuit 21 of the experimental cabinet 2, the control valve 34 is opened, the refrigerant of the experimental cabinet 2 slowly enters the small tank 37, and when the pointer of the pressure gauge 35 points to the weight a of the refrigerant pre-discharged from the experimental cabinet 22When the number of the pressure gauges represented is large, the control valve 34 is closed, the needle valve 33 is adopted to relieve the pressure of the connecting pipe 31, the quick connector 32 is separated from the experimental cabinet body 2 after the pressure is relieved, the enclosing device 3 filled with the refrigerant is weighed, and the weight of the enclosing device 3 is recorded as M2The weight of the refrigerant charged into the sealing device 3 is M2-m2(ii) a Finally, compare M2-m2Whether or not to reach A2If so, the transfer of the refrigerant in the refrigeration circuit 21 of the experimental cabinet 2 is completed, and if not, the addition is repeated until the weight of the refrigerant sealed in the device 3 and the weight A are equal2The values match.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (5)
1. The manual refrigerant enclosing device is characterized by comprising an enclosing device, a manual refrigerant enclosing device and a manual refrigerant enclosing device, wherein the enclosing device is used for transferring refrigerant in a refrigerant tank body into a laboratory cabinet body or extracting the refrigerant in the laboratory cabinet body into the enclosing device;
the enclosing device comprises a small tank body, a connecting pipe is communicated with the small tank body, a quick connector, a needle valve, a control valve and a pressure gauge are arranged on the connecting pipe, the quick connector is used for being communicated with the refrigerant tank body or the vacuum pump or a refrigerating circuit of the experimental cabinet body, the needle valve is used for relieving pressure of the connecting pipe, the control valve is used for controlling the connecting pipe to be opened or closed, the pressure gauge is used for displaying the pressure in the small tank body, and a pointer and a pressure display grid number are arranged on the pressure gauge.
2. The manual refrigerant enclosing device according to claim 1, wherein: and a tank body support is fixed at the bottom of the small tank body.
3. The manual refrigerant enclosing device according to claim 1, wherein: the refrigerant tank is connected with a pressure reducing valve, the pressure reducing valve is provided with a high pressure meter and a low pressure meter, the pressure reducing valve is connected with a refrigerant tank connector matched with the quick connector through a refrigerant tank connecting pipe, and the quick connector is connected with the refrigerant tank through the refrigerant tank connector.
4. The manual refrigerant enclosing device according to claim 1, wherein: the refrigerant is a gaseous refrigerant.
5. A manual refrigerant enclosing device according to claim 3, characterized in that: the connecting pipe and the refrigerant tank connecting pipe are copper pipes or hoses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922480330.6U CN211345953U (en) | 2019-12-31 | 2019-12-31 | Manual refrigerant enclosing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922480330.6U CN211345953U (en) | 2019-12-31 | 2019-12-31 | Manual refrigerant enclosing device |
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| Publication Number | Publication Date |
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| CN211345953U true CN211345953U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922480330.6U Active CN211345953U (en) | 2019-12-31 | 2019-12-31 | Manual refrigerant enclosing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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2019
- 2019-12-31 CN CN201922480330.6U patent/CN211345953U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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