CN212005187U - Automatic filling vacuum liquid injection machine - Google Patents
Automatic filling vacuum liquid injection machine Download PDFInfo
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- CN212005187U CN212005187U CN202020179870.0U CN202020179870U CN212005187U CN 212005187 U CN212005187 U CN 212005187U CN 202020179870 U CN202020179870 U CN 202020179870U CN 212005187 U CN212005187 U CN 212005187U
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- liquid
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- gear pump
- injection machine
- automatic filling
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Abstract
The utility model discloses an automatic filling vacuum liquid injection machine, which comprises a shell, a gear pump, a vacuum pump and a liquid storage box, wherein the vacuum pump is communicated with the top of the liquid storage box, and the air in the liquid storage box is discharged through the vacuum pump; the liquid inlet of the gear pump is positioned at the inner bottom of the shell; the liquid outlet of gear pump is connected with absolute pressure sensor and connection output tube, liquid in the liquid reserve tank is discharged from connection output tube through the gear pump, absolute pressure sensor detects the fluid pressure in the connection output tube. This automatic filling vacuum liquid injection machine can realize the environmental control system evacuation, annotates coolant liquid and annotates liquid switching, operation labour saving and time saving, whole process is simple.
Description
Technical Field
The utility model relates to a annotate liquid machine technical field, specifically say an automatic annotate vacuum and annotate liquid machine.
Background
The liquid injection machine belongs to environment control system ground maintenance equipment of a pod system, and when the environment control system is maintained on the ground, the environment control system needs to be vacuumized, injected with cooling liquid and switched, and simultaneously needs vacuum degree detection, liquid injection pressure detection and vacuumizing. At present, separate devices are adopted for realizing the operation, so that the whole process is complicated, and more operators are required to complete the operation, thereby wasting time and labor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an automatic filling vacuum liquid injection machine that can realize environmental control system evacuation, notes coolant liquid and annotate liquid switching, operation labour saving and time saving, whole process are simple.
The technical scheme of the utility model is that an automatic filling vacuum liquid injection machine with the following structure is provided, which comprises a shell, a gear pump, a vacuum pump and a liquid storage box, wherein the vacuum pump is communicated with the top of the liquid storage box, and the air in the liquid storage box is discharged through the vacuum pump; the liquid inlet of the gear pump is positioned at the inner bottom of the shell; the liquid outlet of gear pump is connected with absolute pressure sensor and connection output tube, liquid in the liquid reserve tank is discharged from connection output tube through the gear pump, absolute pressure sensor detects the fluid pressure in the connection output tube.
The liquid storage tank is internally provided with a closed cavity, the top end of the liquid storage tank is communicated with a first electromagnetic valve, the cavity is filled with air when the first electromagnetic valve is electrified, and the cavity is closed when the first electromagnetic valve is powered off.
The bottom of the liquid storage tank is connected with a first ball valve.
The air inlet of vacuum pump is equipped with the second solenoid valve, then the vacuum pump evacuation to the liquid reserve tank is realized to the second solenoid valve circular telegram, the second solenoid valve outage is then kept apart with the liquid reserve tank and is sealed.
The liquid outlet of gear pump divide into two the tunnel, through the third solenoid valve with connect the output tube intercommunication all the way, another way is through the top intercommunication of fifth solenoid valve with the liquid reserve tank.
The top of the liquid storage tank is communicated with the connecting output pipe through a fourth electromagnetic valve.
And the outlet of the gear pump is connected with a filter.
And the outlet of the gear pump is connected with a safety valve.
And a second ball valve is arranged at the liquid outlet of the liquid storage tank.
And a liquid suction port in the liquid storage tank is provided with an oil suction filter.
After the structure more than adopting, the utility model has the advantages of it is following: when the cooling liquid needs to be filled into the pod liquid cooling source system, the system is firstly vacuumized. At the moment, the second electromagnetic valve and the fourth electromagnetic valve are electrified and conducted; and (4) cutting off the power of other electromagnetic valves, starting the vacuum pump, starting the system to vacuumize, and automatically stopping the vacuum pump when the vacuum value is set. During filling, at the moment, the first electromagnetic valve and the fifth electromagnetic valve are firstly electrified and switched on, the rest electromagnetic valves are powered off and switched off, the gear pump is started, the medium flows out of the gear pump and returns to the liquid storage tank through the filter and the fifth electromagnetic valve, self-circulation is formed, and bubbles in the pipeline are removed. And after the set time, the fifth electromagnetic valve is powered off and cut off, the third electromagnetic valve is switched on, and the medium enters the environment control system through the third electromagnetic valve. At the moment, the pressure and the flow of the medium are automatically adjusted by controlling the gear pump through the frequency converter, and the working pressure is displayed by the pressure sensor and the digital display meter. When the pressure in the environment control system reaches a set value, the gear pump automatically stops, and the filling work is finished. Through the structure, when the environment control system is maintained on the ground, the environment control system can be vacuumized and filled with cooling liquid.
Drawings
Fig. 1 is a schematic perspective view of the automatic filling vacuum liquid injection machine of the present invention.
Fig. 2 is a schematic view of the automatic filling vacuum liquid injection machine of the present invention.
Shown in the figure: 1. the device comprises a shell, 2, a gear pump, 3, a vacuum pump, 4, a liquid storage tank, 5, an absolute pressure sensor, 6, a connecting output pipe, 7, a first electromagnetic valve, 8, a first ball valve, 9, a second electromagnetic valve, 10, a third electromagnetic valve, 11, a fifth electromagnetic valve, 12, a fourth electromagnetic valve, 13, a filter, 14, a safety valve, 15, a second ball valve, 16 and an oil absorption filter.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-2, the automatic filling vacuum liquid filling machine of the present invention comprises a housing 1, a gear pump 2, a vacuum pump 3 and a liquid storage tank 4, wherein the vacuum pump 3 is communicated with the top of the liquid storage tank 4, and the air in the liquid storage tank 4 is exhausted through the vacuum pump 3; a liquid inlet of the gear pump 2 is positioned at the inner bottom of the shell 1; the liquid outlet of gear pump 2 is connected with absolute pressure sensor 5 and connection output tube 6, the liquid in the liquid reserve tank 4 is discharged from connection output tube 6 through gear pump 2, the liquid pressure in absolute pressure sensor 5 detects connection output tube 6.
Be a confined cavity in the liquid reserve tank 4, the top intercommunication of liquid reserve tank 4 has first solenoid valve 7, the cavity air admission is then switched on to first solenoid valve 7, the cavity is sealed then to first solenoid valve 7 outage, when filling, needs to supply the air to liquid reserve tank 4 to enable the liquid energy discharge in the liquid reserve tank 4.
The bottom of the liquid storage tank 4 is connected with a first ball valve 8 for emptying the liquid storage tank 4.
The air inlet of vacuum pump 3 is equipped with second solenoid valve 9, second solenoid valve 9 circular telegram then vacuum pump 3 is to liquid reserve tank 4 evacuation, second solenoid valve 9 outage then keeps apart with liquid reserve tank 4 and seals, opens at vacuum pump 3 during operation, makes liquid reserve tank 4 and vacuum pump 3 intercommunication, carries out the evacuation. When the vacuum pump 3 stops operating, the liquid storage tank 4 is isolated and sealed from the vacuum pump 3.
The liquid outlet of gear pump 2 is divided into two routes, and is connected output tube 6 intercommunication through third solenoid valve 10 all the way, and another way is through the top intercommunication of fifth solenoid valve 11 with liquid reserve tank 4.
The top of the liquid storage tank 4 is communicated with the connecting and outputting pipe 6 through a fourth electromagnetic valve 12.
The outlet of the gear pump 2 is connected with a filter 13, and the liquid flowing out of the gear pump 2 is filtered by the filter 13 and then flows out of the connecting and outputting pipe 6.
A relief valve 14 is connected to an outlet of the gear pump 2, and when the hydraulic pressure of the gear pump 2 exceeds a set value, the hydraulic pressure can be discharged from the relief valve 14.
The liquid outlet of liquid reserve tank 4 is equipped with second ball valve 15, plays the disconnected or expert of liquid reserve tank 4 and gear pump 2.
The liquid suction port in the liquid storage tank 4 is provided with an oil suction filter 16, and liquid in the filtered liquid storage tank 4 enters the gear pump 2.
The utility model discloses an automatic annotate vacuum and annotate liquid machine still is equipped with touch panel 17 at the top surface of casing 1 for control various processes, also make things convenient for the operating personnel to operate.
During work, the vacuum pumping and filling processes are carried out:
first, vacuum pumping
When cooling liquid needs to be added into the pod liquid cold source system, firstly, the system is vacuumized, and the second electromagnetic valve and the fourth electromagnetic valve are firstly electrically conducted; and (4) cutting off the power of other electromagnetic valves, starting the vacuum pump, starting the system to vacuumize, and automatically stopping the vacuum pump when the vacuum value is set.
Second, filling function
The first electromagnetic valve and the fifth electromagnetic valve are firstly electrified and switched on, the rest electromagnetic valves are switched off and switched off, the gear pump is started, the medium flows out of the gear pump, returns to the liquid storage tank through the filter and the fifth electromagnetic valve to form self circulation, bubbles in the pipeline are removed, the fifth electromagnetic valve is switched off and switched off after the set time, the third electromagnetic valve is switched on, and the medium enters the environment control system through the third electromagnetic valve.
At the moment, the pressure and the flow of the medium are automatically adjusted by controlling the gear pump through the frequency converter, and the working pressure is displayed by the pressure sensor and the digital display meter. When the pressure (digital display value) in the 'environment control system' reaches a set value, the gear pump automatically stops, and the filling work is finished.
Claims (10)
1. The utility model provides an automatic annotate vacuum liquid machine that annotates which characterized in that: the gear pump comprises a shell (1), a gear pump (2), a vacuum pump (3) and a liquid storage tank (4), wherein the vacuum pump (3) is communicated with the top of the liquid storage tank (4), and air in the liquid storage tank (4) is discharged through the vacuum pump (3); a liquid inlet of the gear pump (2) is positioned at the inner bottom of the shell (1); the liquid outlet of gear pump (2) is connected with absolute pressure sensor (5) and output connection pipe (6), liquid in liquid reserve tank (4) is discharged from output connection pipe (6) through gear pump (2), absolute pressure sensor (5) detect the liquid pressure in output connection pipe (6).
2. The automatic filling vacuum liquid injection machine according to claim 1, characterized in that: be a confined cavity in the liquid reserve tank (4), the top intercommunication of liquid reserve tank (4) has first solenoid valve (7), then the cavity air admission is switched on in first solenoid valve (7), then the cavity is sealed in first solenoid valve (7) outage.
3. The automatic filling vacuum liquid injection machine according to claim 1, characterized in that: the bottom of the liquid storage tank (4) is connected with a first ball valve (8).
4. The automatic filling vacuum liquid injection machine according to claim 1, characterized in that: the air inlet of vacuum pump (3) is equipped with second solenoid valve (9), second solenoid valve (9) circular telegram then vacuum pump (3) to liquid reserve tank (4) evacuation, second solenoid valve (9) outage then is kept apart with liquid reserve tank (4) and is sealed.
5. The automatic filling vacuum liquid injection machine according to claim 1, characterized in that: the liquid outlet of gear pump (2) divide into two the tunnel, through third solenoid valve (10) with be connected output tube (6) intercommunication all the way, another way is through the top intercommunication of fifth solenoid valve (11) with liquid reserve tank (4).
6. The automatic filling vacuum liquid injection machine according to claim 1, characterized in that: the top of the liquid storage tank (4) is communicated with the connecting and outputting pipe (6) through a fourth electromagnetic valve (12).
7. The automatic filling vacuum liquid injection machine according to claim 1, characterized in that: and the outlet of the gear pump (2) is connected with a filter (13).
8. The automatic filling vacuum liquid injection machine according to claim 1, characterized in that: and the outlet of the gear pump (2) is connected with a safety valve (14).
9. The automatic filling vacuum liquid injection machine according to claim 1, characterized in that: and a second ball valve (15) is arranged at the liquid outlet of the liquid storage tank (4).
10. The automatic filling vacuum liquid injection machine according to claim 1, characterized in that: an oil absorption filter (16) is arranged at the liquid absorption port in the liquid storage tank (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020179870.0U CN212005187U (en) | 2020-02-18 | 2020-02-18 | Automatic filling vacuum liquid injection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020179870.0U CN212005187U (en) | 2020-02-18 | 2020-02-18 | Automatic filling vacuum liquid injection machine |
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| Publication Number | Publication Date |
|---|---|
| CN212005187U true CN212005187U (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020179870.0U Active CN212005187U (en) | 2020-02-18 | 2020-02-18 | Automatic filling vacuum liquid injection machine |
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| Country | Link |
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| CN (1) | CN212005187U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111777029A (en) * | 2020-06-17 | 2020-10-16 | 新乡航空工业(集团)有限公司 | Automatic vacuum pumping and liquid injecting device of pod environment control system |
-
2020
- 2020-02-18 CN CN202020179870.0U patent/CN212005187U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111777029A (en) * | 2020-06-17 | 2020-10-16 | 新乡航空工业(集团)有限公司 | Automatic vacuum pumping and liquid injecting device of pod environment control system |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 315000 Xiyang village, Shiqi street, Haishu District, Ningbo City, Zhejiang Province Patentee after: Star Arrow Technology Co.,Ltd. Address before: Xiyang village, Shiqi street, Haishu District, Ningbo City, Zhejiang Province Patentee before: NINGBO XINGJIAN SPACE MACHINERY Co.,Ltd. |
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| CP03 | Change of name, title or address |