CN220651106U - Automatic control device of vacuum degree - Google Patents
Automatic control device of vacuum degree Download PDFInfo
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- CN220651106U CN220651106U CN202322457850.1U CN202322457850U CN220651106U CN 220651106 U CN220651106 U CN 220651106U CN 202322457850 U CN202322457850 U CN 202322457850U CN 220651106 U CN220651106 U CN 220651106U
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- tank
- buffer tank
- fixedly connected
- vacuum degree
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- 238000003825 pressing Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model relates to an automatic control device of vacuum degree, which comprises a vacuum tank and a buffer tank positioned at one side of the vacuum tank, wherein a vacuum pump is fixedly connected to the side wall of the buffer tank, the input end of the vacuum pump is communicated with the lower half part of the buffer tank, a communicating pipe is fixedly arranged at the upper half part of one side of the buffer tank in a penetrating way, the communicating pipe is communicated with the vacuum tank, and a control assembly is arranged in the vacuum tank. The utility model relates to the technical field of vacuum degree adjustment. According to the utility model, through the cooperation of the vacuum pump, the communicating pipe, the buffer tank and the control assembly, the vacuum pump is used for vacuumizing the buffer tank, when the vacuum degree in the vacuum tank is changed, the vacuum pump is not required to be started frequently, but the vacuum degree of the vacuum tank can be automatically adjusted through the connection of the buffer tank and the vacuum tank, and the service life of the vacuum pump is greatly prolonged.
Description
Technical Field
The utility model relates to the technical field of vacuum degree adjustment, in particular to an automatic control device for vacuum degree.
Background
In the process of vacuum equipment production and research and development, different vacuum degree process requirements are met according to different vacuum application environments, so that the vacuum degree needs to be accurately regulated in real time in the process of vacuum production and research and development.
The current automatic vacuum degree adjusting mode is mostly realized by matching a vacuum sensor and a vacuum pump, when the vacuum environment changes, the vacuum pump needs to be started to work, and in some environments, the vacuum degree can change frequently or continuously, in this case, if the vacuum degree is required to be accurately controlled, the vacuum pump needs to be started and stopped frequently, so that the service life of the vacuum pump can be greatly reduced.
Disclosure of Invention
According to the defects existing in the prior art, the utility model aims to provide an automatic control device of vacuum degree, which has the effect of preventing a vacuum pump from being frequently started and stopped, thereby prolonging the service life of the vacuum pump.
The technical aim of the utility model is realized by the following technical scheme:
the utility model provides an automatic control device of vacuum, includes the vacuum tank and is located the buffer tank of vacuum tank one side, buffer tank lateral wall fixedly connected with vacuum pump, the vacuum pump input with the buffer tank lower half communicates with each other, the fixed communicating pipe that wears to be equipped with in buffer tank one side upper half, communicating pipe with the vacuum tank communicates with each other, be provided with control assembly in the vacuum tank.
Through above-mentioned technical scheme, through vacuum pump, communicating pipe, buffer tank and control assembly's cooperation, the vacuum pump is to the evacuation in the buffer tank, and when the vacuum in the vacuum tank changes, no longer need frequently start the vacuum pump, but through buffer tank and vacuum tank intercommunication can the automatically regulated vacuum tank's vacuum, improved the life of vacuum pump greatly.
The present utility model may be further configured in a preferred example to: the control assembly comprises a first electromagnetic valve arranged on one side of the vacuum tank, the first electromagnetic valve is communicated with the inside of the vacuum tank, a second electromagnetic valve is arranged on the side wall of the buffer tank corresponding to the communicating pipe, a vacuum sensor is fixedly connected to the inner wall of the vacuum tank, and the first electromagnetic valve and the second electromagnetic valve are electrically connected with the vacuum sensor.
Through above-mentioned technical scheme, through the cooperation of first solenoid valve, second solenoid valve and vacuum sensor, when the vacuum changes in the vacuum jar, automatic start first solenoid valve or second solenoid valve work adjusts the vacuum, no longer need frequently start the vacuum pump work, has improved the life of vacuum pump.
The present utility model may be further configured in a preferred example to: the side wall of the vacuum tank is provided with a pressure relief valve which is communicated with the inside of the vacuum tank.
Through above-mentioned technical scheme, through the setting of relief valve, prevent to lead to the too big condition of vacuum in the vacuum tank to take place because various parts damage.
The present utility model may be further configured in a preferred example to: and the upper half part of the vacuum tank is fixedly connected with a vacuum gauge.
Through the technical scheme, operators can be assisted in observing the vacuum degree in the vacuum tank, and the situation that the abnormal vacuum degree in the vacuum tank cannot be found in time due to the damage of various components is prevented.
The present utility model may be further configured in a preferred example to: the upper part interference fit has the piston in the buffer tank, the piston with fixedly connected with a plurality of spring between the buffer tank inner roof, the spring is in tensile state all the time, piston top center department fixedly connected with lug, piston top fixedly connected with two montants, the montant slides and passes buffer tank roof and part extend to buffer tank top, montant top fixedly connected with clamp plate, buffer tank upper half is provided with the control part.
Through above-mentioned technical scheme, through the cooperation of piston, lug, spring, clamp plate and control portion, when the vacuum in the buffer tank drops to a certain extent, the vacuum pump work is in order to keep the higher vacuum in the buffer tank.
The present utility model may be further configured in a preferred example to: the control part comprises a stop button fixedly connected to the top of the buffer tank, the stop button part is positioned under the pressing plate, a start button is fixedly connected to the position, corresponding to the protruding block, of the inner top wall of the buffer tank, and the stop button and the start button are electrically connected with the vacuum pump.
Through the technical scheme, when the vacuum degree in the buffer tank changes, the piston is driven to vertically move upwards, and the convex block contacts with the start button, so that the work of the vacuum pump is controlled until the pressing plate contacts with the stop button.
The present utility model may be further configured in a preferred example to: when the lug is just contacted with the starting button, the vacuum degree of the buffer tank below the piston is larger than the vacuum degree required in the vacuum tank.
Through above-mentioned technical scheme for the vacuum in the buffer tank is greater than the required vacuum in the vacuum tank all the time, guarantees when the second solenoid valve is opened, and the vacuum in the vacuum tank can rise.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. through vacuum pump, communicating pipe, buffer tank, first solenoid valve, second solenoid valve and vacuum sensor's cooperation, the vacuum pump work is to the buffer tank evacuation, when the vacuum in the vacuum tank changes, no longer need frequently start the vacuum pump, but adjust the vacuum of vacuum tank through opening first solenoid valve or second solenoid valve, open the second solenoid valve many times, just need start the vacuum pump once more until the vacuum drops to a certain degree in the buffer tank, improved the life of vacuum pump greatly.
2. Through the cooperation of piston, lug, spring, clamp plate and control portion, when the vacuum in the buffer tank drops to a certain degree, the vacuum pump can automatic work in order to keep the higher vacuum in the buffer tank.
Drawings
Fig. 1 is a schematic overall structure of the present embodiment.
In the figure, 1, a vacuum tank; 2. a buffer tank; 3. a vacuum pump; 4. a communicating pipe; 5. a control assembly; 51. a first electromagnetic valve; 52. a second electromagnetic valve; 53. a vacuum sensor; 6. a pressure release valve; 7. a vacuum gauge; 8. a piston; 9. a spring; 10. a bump; 11. a vertical rod; 12. a pressing plate; 13. a control unit; 131. a stop button; 132. and (5) starting a button.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Examples:
referring to fig. 1, the utility model discloses an automatic control device for vacuum degree, which comprises a vacuum tank 1 and a buffer tank 2 positioned at one side of the vacuum tank 1, wherein the side wall of the buffer tank 2 is fixedly connected with a vacuum pump 3, and the input end of the vacuum pump 3 is communicated with the lower half part of the buffer tank 2. The vacuum pump 3 operates so that the vacuum degree in the buffer tank 2 is increased and is much greater than the normal vacuum degree set in the vacuum tank 1.
The upper half part of one side of the buffer tank 2 is fixedly provided with a communicating pipe 4 in a penetrating way, the communicating pipe 4 is communicated with the vacuum tank 1, and the communicating pipe 4 is also communicated with the buffer tank 2. A control assembly 5 is arranged in the vacuum tank 1.
The control assembly 5 includes a first solenoid valve 51 provided at one side of the vacuum tank 1, the first solenoid valve 51 communicating with the inside of the vacuum tank 1. The side wall of the buffer tank 2 is provided with a second electromagnetic valve 52 corresponding to the communicating pipe 4. The inner wall of the vacuum tank 1 is fixedly connected with a vacuum sensor 53, and the first electromagnetic valve 51 and the second electromagnetic valve 52 are electrically connected with the vacuum sensor 53.
When the vacuum sensor 53 detects that the vacuum degree in the vacuum tank 1 is low, the second solenoid valve 52 is controlled to be opened by the controller, and the vacuum tank 1 is communicated with the buffer tank 2, so that the vacuum degree in the vacuum tank 1 is increased and the vacuum degree in the buffer tank 2 is reduced.
When the vacuum sensor 53 detects that the vacuum degree in the vacuum tank 1 is high, the first electromagnetic valve 51 is controlled to be opened by the controller, and the vacuum tank 1 is communicated with the external environment, so that the vacuum degree in the vacuum tank 1 is reduced.
The side wall of the vacuum tank 1 is provided with a pressure relief valve 6, the pressure relief valve 6 is communicated with the inside of the vacuum tank 1, and the condition that the vacuum degree in the vacuum tank 1 is overlarge due to damage of various components is prevented through the arrangement of the pressure relief valve 6.
The upper half part of the vacuum tank 1 is fixedly connected with the vacuum gauge 7, the vacuum gauge 7 intuitively displays the vacuum degree in the vacuum tank 1, and can assist operators in observing the vacuum degree in the vacuum tank 1, so that the condition that the abnormal vacuum degree in the vacuum tank 1 cannot be found in time due to the damage of various components is prevented.
The upper part in the buffer tank 2 is in interference fit with a piston 8, a plurality of springs 9 are fixedly connected between the piston 8 and the inner top wall of the buffer tank 2, and the springs 9 are always in a stretching state. The piston 8 receives a downward suction force due to the negative pressure state in the buffer tank 2.
The center of the top of the piston 8 is fixedly connected with a lug 10, the top of the piston 8 is fixedly connected with two vertical rods 11, the vertical rods 11 penetrate through the top wall of the buffer tank 2 in a sliding mode and partially extend to the upper portion of the buffer tank 2, the top ends of the vertical rods 11 are fixedly connected with a pressing plate 12, and the upper half portion of the buffer tank 2 is provided with a control portion 13.
The control part 13 comprises a stop button 131 fixedly connected to the top of the buffer tank 2, the stop button 131 is partially positioned under the pressing plate 12, a start button 132 is fixedly connected to the position, corresponding to the bump 10, of the inner top wall of the buffer tank 2, and the stop button 131 and the start button 132 are electrically connected with the vacuum pump 3.
When the vacuum pump 3 works, the negative pressure below the piston 8 is gradually increased, so that the piston 8 is driven to move downwards until the pressing plate 12 contacts the stop button 131, so that the vacuum pump 3 stops working, and the vacuum degree in the buffer tank 2 is in the maximum state. In the state that the second electromagnetic valve 52 is frequently opened, the vacuum degree in the buffer tank 2 gradually decreases, the piston 8 gradually moves upwards under the restoring force of the spring 9 until the lug 10 contacts the start button 132, and the vacuum pump 3 is driven to work, so that the vacuum degree in the buffer tank 2 is improved.
When the bump 10 is just contacted with the start button 132, the vacuum degree in the buffer tank 2 is at the minimum state, however, the vacuum degree in the buffer tank 2 below the piston 8 is also larger than the vacuum degree required in the vacuum tank 1, so that the vacuum degree in the vacuum tank 1 can be increased when the second electromagnetic valve 52 is opened.
The implementation principle of the embodiment is as follows:
first, the second electromagnetic valve 52 is opened, the vacuum pump 3 is started to work, the vacuum pump 3 works to enable the vacuum degree in the buffer tank 2 and the vacuum tank 1 to rise, and when the vacuum degree in the vacuum tank 1 reaches the standard, the vacuum generator controls the second electromagnetic valve 52 to be closed. The vacuum pump 3 continues to operate so that the vacuum degree in the buffer tank 2 increases until the pressing plate 12 contacts the stop button 131, so that the vacuum pump 3 stops operating, at which time the vacuum degree in the buffer tank 2 is at a maximum state.
When the vacuum sensor 53 detects that the vacuum degree in the vacuum tank 1 is reduced, the second solenoid valve 52 is controlled to be opened by the controller, and the vacuum tank 1 is communicated with the buffer tank 2, so that the vacuum degree in the vacuum tank 1 is increased and the vacuum degree in the buffer tank 2 is reduced.
When the vacuum sensor 53 detects that the vacuum degree in the vacuum tank 1 is increased, the first solenoid valve 51 is controlled to be opened by the controller, and the vacuum tank 1 is communicated with the external environment, so that the vacuum degree in the vacuum tank 1 is reduced.
The second electromagnetic valve 52 is frequently opened, so that the vacuum degree in the buffer tank 2 gradually decreases, the piston 8 gradually moves upwards under the restoring force of the spring 9 until the lug 10 contacts the start button 132, the vacuum pump 3 is driven to work, and meanwhile, the piston 8 is driven to move downwards until the pressing plate 12 contacts the stop button 131, so that the vacuum pump 3 stops working.
The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (7)
1. The utility model provides an automatic control device of vacuum, includes vacuum tank (1) and is located buffer tank (2) of vacuum tank (1) one side, its characterized in that: the utility model discloses a vacuum pump, including buffer tank (2), vacuum pump (3), buffer tank (2), communicating pipe (4) with vacuum tank (1) is communicated with each other, be provided with control assembly (5) in vacuum tank (1) in buffer tank (2) lateral wall fixedly connected with vacuum pump (3), vacuum pump (3) input with buffer tank (2) lower half communicates with each other, buffer tank (2) one side upper half is fixed wears to be equipped with communicating pipe (4).
2. The automatic vacuum degree control apparatus according to claim 1, wherein: the control assembly (5) comprises a first electromagnetic valve (51) arranged on one side of the vacuum tank (1), the first electromagnetic valve (51) is communicated with the inside of the vacuum tank (1), a second electromagnetic valve (52) is arranged on the side wall of the buffer tank (2) corresponding to the communicating pipe (4), a vacuum sensor (53) is fixedly connected to the inner wall of the vacuum tank (1), and the first electromagnetic valve (51) and the second electromagnetic valve (52) are electrically connected with the vacuum sensor (53).
3. The automatic vacuum degree control apparatus according to claim 2, wherein: the side wall of the vacuum tank (1) is provided with a pressure relief valve (6), and the pressure relief valve (6) is communicated with the inside of the vacuum tank (1).
4. The automatic vacuum degree control apparatus according to claim 1, wherein: the upper half part of the vacuum tank (1) is fixedly connected with a vacuum gauge (7).
5. The automatic vacuum degree control apparatus according to claim 2, wherein: the upper half interference fit has piston (8) in buffer tank (2), piston (8) with fixedly connected with spring (9) between buffer tank (2) inner roof, spring (9) are in tensile state all the time, piston (8) top center department fixedly connected with lug (10), piston (8) top fixedly connected with two montants (11), montant (11) slip pass buffer tank (2) roof and part extend to buffer tank (2) top, montant (11) top fixedly connected with clamp plate (12), buffer tank (2) upper half is provided with control portion (13).
6. The automatic vacuum degree control apparatus according to claim 5, wherein: the control part (13) comprises a stop button (131) fixedly connected to the top of the buffer tank (2), the stop button (131) is partially located under the pressing plate (12), a start button (132) is fixedly connected to the position, corresponding to the bump (10), of the inner top wall of the buffer tank (2), and the stop button (131) and the start button (132) are electrically connected with the vacuum pump (3).
7. The automatic vacuum degree control apparatus according to claim 6, wherein: when the lug (10) is just contacted with the starting button (132), the vacuum degree of the buffer tank (2) positioned below the piston (8) is larger than the vacuum degree required in the vacuum tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322457850.1U CN220651106U (en) | 2023-09-11 | 2023-09-11 | Automatic control device of vacuum degree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322457850.1U CN220651106U (en) | 2023-09-11 | 2023-09-11 | Automatic control device of vacuum degree |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220651106U true CN220651106U (en) | 2024-03-22 |
Family
ID=90268799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322457850.1U Active CN220651106U (en) | 2023-09-11 | 2023-09-11 | Automatic control device of vacuum degree |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220651106U (en) |
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2023
- 2023-09-11 CN CN202322457850.1U patent/CN220651106U/en active Active
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