CN205478246U - Vacuum pump automatic control device - Google Patents
Vacuum pump automatic control device Download PDFInfo
- Publication number
- CN205478246U CN205478246U CN201620270641.3U CN201620270641U CN205478246U CN 205478246 U CN205478246 U CN 205478246U CN 201620270641 U CN201620270641 U CN 201620270641U CN 205478246 U CN205478246 U CN 205478246U
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- vacuum pump
- control
- motor
- vacuum
- auxiliary
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Abstract
The utility model discloses a vacuum pump automatic control device, including real empty can, motor, vacuum pump, vacuum pressure meter L2 and control box, vacuum pressure meter L2's signal output part and control box are connected, the control output of control box links to each other with the motor, the motor drives vacuum pump work, including main circuit and control circuit in the control box, control circuit includes control circuit and starts the return circuit, control circuit and switch return circuit are parallelly connected, vacuum pressure meter L2 establishes ties with auxiliary relay J1 and auxiliary relay J2 respectively among the control circuit. The utility model discloses can make the control box stop according to the opening of pressure value realization automatic control vacuum pump that vacuum pressure meter recorded in the real empty can, make keeping in normal range of the interior pressure stability of real empty can, reduce the harm to the machine, it is laborsaving to save trouble, has improved work efficiency.
Description
Technical field
This utility model relates to a kind of vacuum pump automaton, it is adaptable to chemical production field.
Background technology
In chemical production field, the range of vacuum pump is relatively wider, and vacuum pump is to the mistake of vacuum tank evacuation
Cheng Zhong, needs the artificial Pressure gauge that passes through constantly to observe the pressure change in vacuum tank, starts and close vacuum pump,
Owing to the pressure in vacuum tank can not be controlled in real time, so easily cause vacuum pressure inside the tank unstable
Fixed, and the infringement to vacuum pump, to waste time and energy, inefficiency, cost is high.
Summary of the invention
Technical problem to be solved in the utility model is the defect overcoming prior art, it is provided that a kind of vacuum pump
Automaton, the force value that it can make control chamber record in vacuum tank according to pressure vacuum gauge realizes certainly
The dynamic start and stop controlling vacuum pump, make being maintained in normal range of the pressure stability in vacuum tank, reduce machine
The infringement of device, save trouble and labor, improve work efficiency.
This utility model solves above-mentioned technical problem and adopts the technical scheme that: a kind of vacuum pump automatically controls dress
Put, including vacuum tank, motor, vacuum pump, pressure vacuum gauge L2 and control chamber, described pressure vacuum gauge L2
Signal output part be connected with control chamber, the control output end of described control chamber is connected with motor, described motor
Drive vacuum pump works, and includes that main circuit and control circuit, described control circuit include control in described control chamber
Loop processed and start loop, described control loop and switching circuitry are in parallel, vacuum pressure in described control loop
Table L2 connects with auxiliary reclay J1 and auxiliary reclay J2 respectively.
Further, in order to control the operation of motor, described main circuit is sequentially connected in series having air switch QA1, exchange
Catalyst KM and thermorelay RJ, the outfan of described main circuit is connected with motor.
Further, control to realize the startup to motor, i.e. the startup to vacuum pump controls, described switch
Loop is provided with stop button TA, start button QA, the normally closed auxiliary contact of auxiliary reclay J2, in
Between the normally opened auxiliary contact of relay J 1, the coil of A.C. contactor KM and auxiliary switch, wherein stop pressing
The coil string of button TA, start button QA, the normally closed auxiliary contact of auxiliary reclay J2 and A.C. contactor KM
Connection, the normally opened auxiliary contact of described auxiliary reclay J1, A.C. contactor KM auxiliary switch respectively with open
Dynamic button QA is in parallel.
Further, in order to realize the protection to control circuit, described control circuit is in series with rotation and opens
Close XKM and air switch QA2.
Further, the model of described air switch QA1 is C40.
Further, the model of described air switch QA2 is C20.
After have employed technique scheme, this utility model has a following beneficial effect: this utility model by
In being provided with auxiliary reclay J1 and auxiliary reclay J2 in control circuit, and respectively with pressure vacuum gauge
L2 connects, and can control motor action according to the force value that pressure vacuum gauge L2 records in vacuum tank, always
Realize automatically starting and stopping of vacuum pump, be maintained in normal range with making the pressure stability in vacuum tank,
Decrease the infringement to vacuum pump, time saving and energy saving, reduce production cost, improve production efficiency, use
Convenient and simple.
Accompanying drawing explanation
Fig. 1 is the structure chart of a kind of vacuum pump automaton of the present utility model；
Fig. 2 is the circuit diagram of a kind of vacuum pump automaton of the present utility model；
Fig. 3 is the schematic diagram of a kind of vacuum pump automaton of the present utility model；
In figure: 1. vacuum tank, 2. motor, 3. vacuum pump, 4. control chamber.
Detailed description of the invention
In order to make content of the present utility model be easier to be clearly understood, below according to specific embodiment and tie
Close accompanying drawing, this utility model is described in further detail.
As Figure 1-3, a kind of vacuum pump automaton, including vacuum tank 1, motor 2, vacuum pump
3, pressure vacuum gauge L2 and control chamber 4, the signal output part of described pressure vacuum gauge L2 is with control chamber 4 even
Connecing, the control output end of described control chamber 4 is connected with motor 2, and described motor 2 drives vacuum pump 3 to work,
Include in described control chamber 4 that main circuit and control circuit, described control circuit include controlling loop and starting back
Road, described control loop and switching circuitry are in parallel, in described control loop pressure vacuum gauge L2 respectively with centre
Relay J 1 and auxiliary reclay J2 series connection.
In order to control the operation of motor 2, described main circuit is sequentially connected in series having air switch QA1, A.C. contactor
KM and thermorelay RJ, the outfan of described main circuit is connected with motor.
Control to realize the startup to motor 2, i.e. the startup to vacuum pump 3 controls, described switching circuitry
In be provided with stop button TA, continue in start button QA, the normally closed auxiliary contact of auxiliary reclay J2, centre
The normally opened auxiliary contact of electrical equipment J1, the coil of A.C. contactor KM and auxiliary switch, wherein stop button TA,
Start button QA, the normally closed auxiliary contact of auxiliary reclay J2 and the coils connected in series of A.C. contactor KM, institute
State the normally opened auxiliary contact of auxiliary reclay J1, A.C. contactor KM auxiliary switch respectively with start button
QA is in parallel.
In order to realize protection to control circuit, described control circuit is in series with rotary switch XKM and
Air switch QA2.
The model of described air switch QA1 is C40.
The model of described air switch QA2 is C20.
During vacuum tank 1 is carried out evacuation, first press start button QA, work as pressure vacuum gauge
When the show value of L2 is less than desirable pressure scope, pressure vacuum gauge L2 connects with auxiliary reclay J1, middle
Relay J 1 coil electricity, now the normally opened auxiliary switch Guan Bi of auxiliary reclay J1, makes A.C. contactor
The auxiliary contact of KM are connected, the coil electricity of A.C. contactor KM, thus close the master of A.C. contactor KM
Contact, makes motor 2 be energized, and motor 2 rotates and drives vacuum pump 3 to work.Display as pressure vacuum gauge L2
During higher than desirable pressure scope, pressure vacuum gauge L2 connects with auxiliary reclay J2, so that middle relay
The normally closed auxiliary contact of device J2 disconnects, A.C. contactor KM coil blackout, so that A.C. contactor KM
Main contacts disconnects, and motor 2 power-off stops operating, thus vacuum pump 3 quits work, it is achieved vacuum pump 3
Automatically controlling of start and stop.It is manually pressed by stop button TA, vacuum pump 3 work can also be stopped in the same way
Make.
Compared with prior art, this utility model due to be provided with in control circuit auxiliary reclay J1 and in
Between relay J 2, and connect with pressure vacuum gauge respectively, can record in vacuum tank according to pressure vacuum gauge
Force value control motor action, always realize automatically starting and stopping, in making vacuum tank of vacuum pump
It is maintained in normal range to pressure stability, decreases the infringement to vacuum pump, time saving and energy saving, reduce life
Produce cost, improve production efficiency, simple and easy to use.
Particular embodiments described above, solves the technical problem that this utility model, technical scheme and useful
Effect is further described, be it should be understood that the foregoing is only of the present utility model specifically
Embodiment, is not limited to this utility model, all within spirit of the present utility model and principle,
Any modification, equivalent substitution and improvement etc. done, within should be included in protection domain of the present utility model.
Claims (6)
1. a vacuum pump automaton, it is characterised in that: include vacuum tank, motor, vacuum pump,
Pressure vacuum gauge L2 and control chamber, the signal output part of described pressure vacuum gauge L2 is connected with control chamber, institute
The control output end stating control chamber is connected with motor, and described driven by motor vacuum pump works, in described control chamber
Including main circuit and control circuit, described control circuit includes controlling loop and start loop, and described control is returned
Road and switching circuitry are in parallel, in described control loop pressure vacuum gauge L2 respectively with auxiliary reclay J1 and in
Between relay J 2 connect.
A kind of vacuum pump automaton the most according to claim 1, it is characterised in that: described master
Circuit is sequentially connected in series having air switch QA1, A.C. contactor KM and thermorelay RJ, described main circuit defeated
Go out end to be connected with motor.
A kind of vacuum pump automaton the most according to claim 2, it is characterised in that open described in:
Close in loop be provided with stop button TA, start button QA, the normally closed auxiliary contact of auxiliary reclay J2,
The normally opened auxiliary contact of auxiliary reclay J1, the coil of A.C. contactor KM and auxiliary switch, wherein stop
Button TA, start button QA, the normally closed auxiliary contact of auxiliary reclay J2 and the coil of A.C. contactor KM
Series connection, the normally opened auxiliary contact of described auxiliary reclay J1, A.C. contactor KM auxiliary switch respectively with
Start button QA is in parallel.
A kind of vacuum pump automaton the most according to claim 1, it is characterised in that: described control
Circuit processed is in series with rotary switch XKM and air switch QA2.
A kind of vacuum pump automaton the most according to claim 2, it is characterised in that: described sky
The model of air cock QA1 is C40.
A kind of vacuum pump automaton the most according to claim 4, it is characterised in that: described sky
The model of air cock QA2 is C20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620270641.3U CN205478246U (en) | 2016-04-01 | 2016-04-01 | Vacuum pump automatic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620270641.3U CN205478246U (en) | 2016-04-01 | 2016-04-01 | Vacuum pump automatic control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205478246U true CN205478246U (en) | 2016-08-17 |
Family
ID=56646555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620270641.3U Active CN205478246U (en) | 2016-04-01 | 2016-04-01 | Vacuum pump automatic control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205478246U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757395A (en) * | 2018-07-25 | 2018-11-06 | 四川科伦药业股份有限公司 | Control system and control method for improving utilization rate of vacuum pump |
| CN109812409A (en) * | 2017-11-18 | 2019-05-28 | 马燕翔 | A kind of air pressure control mechanism and vacuum pump and air compressor machine with the mechanism |
| CN110091487A (en) * | 2019-04-26 | 2019-08-06 | 湖北爱博制造有限公司 | A kind of vacuum system for PVC board process units |
-
2016
- 2016-04-01 CN CN201620270641.3U patent/CN205478246U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812409A (en) * | 2017-11-18 | 2019-05-28 | 马燕翔 | A kind of air pressure control mechanism and vacuum pump and air compressor machine with the mechanism |
| CN108757395A (en) * | 2018-07-25 | 2018-11-06 | 四川科伦药业股份有限公司 | Control system and control method for improving utilization rate of vacuum pump |
| CN110091487A (en) * | 2019-04-26 | 2019-08-06 | 湖北爱博制造有限公司 | A kind of vacuum system for PVC board process units |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |