CN211061881U - Electrical comprehensive control positive pressure control system for motor - Google Patents
Electrical comprehensive control positive pressure control system for motor Download PDFInfo
- Publication number
- CN211061881U CN211061881U CN201922155163.8U CN201922155163U CN211061881U CN 211061881 U CN211061881 U CN 211061881U CN 201922155163 U CN201922155163 U CN 201922155163U CN 211061881 U CN211061881 U CN 211061881U
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- pressure
- valve
- controller
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- motor
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- 230000001105 regulatory effect Effects 0.000 claims description 24
- 238000001914 filtration Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000010926 purge Methods 0.000 description 23
- 206010037544 Purging Diseases 0.000 description 10
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
The utility model provides an electrical integrated control's malleation control system for motor, include main control box and relief valve through the gas circuit pipe connection, establish main gas circuit and electric logic return circuit in the main control box, the main control box still is equipped with controller, time adjustment button, terminal box, minute-pressure changer and connects the through nut interface of gas circuit, controller and solenoid valve and terminal box connection of electric lines, controller and time adjustment button connection of electric lines. The utility model discloses a collection, transmission and the control of each state and parameter in the system operation process, the instruction by electric logic circuit executive controller carries out each item action, accomplishes the realization of each function by the main gas circuit of relief valve and master control case, each item state and the parameter of terminal box remote output malleation control system operation. The utility model discloses various states when can accurate switched systems operation show each state real-time running data scene and teletransmission, have improved the intellectuality of motor, have integrated the level.
Description
Technical Field
The utility model relates to a malleation control system, concretely relates to malleation control system for electric integrated control's motor is a malleation control system for electrical integrated control's increase ampere type motor or positive pressure type motor.
Background
According to the requirements of the explosion-proof motor, the safety-increased explosion-proof motor needs to sweep and replace gas in the motor shell before the motor starts, and the positive pressure explosion-proof motor needs to sweep and replace gas in the motor shell before the motor starts and always keeps positive pressure in the motor shell in the operation process. The positive pressure control system adopted in the prior art adopts a pneumatic control mode to purge and maintain positive pressure of a motor, a control loop formed by pneumatic parts in the using process is complicated, faults are not easy to judge, the specific numerical values and states of the purging pressure and the positive pressure maintaining pressure cannot be displayed on site, the switching pressure values of all states of purging, positive pressure, alarming, interlocking and the like are not accurate, the tolerance is more than 200Pa, and the field maintenance and repair are not facilitated.
Disclosure of Invention
To the not enough of existence among the current malleation control system, the utility model aims to solve the technical problem that a malleation control system of on-the-spot area state and parameter display is provided, this system can directly show each running state and the running parameter of malleation control system on the panel of control box and remote output.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: the positive pressure control system comprises a main control box and a pressure release valve which are connected through a gas circuit pipeline, wherein a main gas circuit and an electric logic loop are arranged in the main control box, the main control box is further provided with a controller, a time adjusting button, a junction box, a micro-pressure transmitter and a through nut interface connected with the gas circuit, the controller is in electric connection with a solenoid valve and the junction box, and the controller is in electric connection with the time adjusting button.
The controller comprises a controller shell, a logic integrated circuit board is arranged in the controller shell, and the micro-pressure transmitter and the display screen in the controller shell are connected with the logic integrated circuit board.
The main gas path is formed by connecting an air inlet nut interface, a pressure gauge, a proportional pressure regulating filter valve and an air outlet nut interface in series.
The electric logic loop is composed of a rear switch of the panel, a micro-pressure sensor, a filtering and pressure regulating valve, a two-position three-way valve responsible for pressure exchange, a two-position three-way valve responsible for self locking, a two-position three-way valve responsible for micro-pressure sensor switching, an electromagnetic valve and a throttle valve, or a valve, wherein the micro-pressure transmitter and the two-position three-way valve responsible for pressure exchange are connected through a gas circuit, the electromagnetic valve and the or valve, the two-position three-way valve, the throttle valve, the micro-pressure sensor and the proportional pressure regulating and filtering valve are connected in parallel/series through a gas circuit, and two output ports of.
The pressure relief valve comprises a pressure relief valve shell, an exhaust valve is arranged in the pressure relief valve shell, a cylinder in the pressure relief valve shell is connected with the exhaust valve, and a fire blocking net is arranged on the side face of the pressure relief valve shell.
And the gas path pipeline connected with the main control box and the pressure release valve comprises a purging pressure gas path and a purging valve cylinder gas path.
The utility model adopts the above technical scheme design an electric integrated control's malleation control system for motor, through establish main gas circuit and electric logic circuit in the master control incasement, and the controller, time adjustment button, the terminal box, parts such as the direct nut interface of minute-pressure changer and connection gas circuit, under the control of controller, the collection of each state and parameter in the system operation process has been realized, transmission and control, the instruction of carrying out the controller by electric logic circuit carries out each item action, the realization of each function is accomplished by the main gas circuit of relief valve and master control case, each item state and the parameter of terminal box remote output malleation control system operation. The utility model discloses various states when can accurate switched systems operation show each state real-time running data scene and teletransmission, have improved the intellectuality of motor, have integrated the level.
Drawings
FIG. 1 shows an overall installation diagram of the present invention;
FIG. 2 is a schematic structural view of the main control box of the present invention;
FIG. 3 shows a schematic diagram of the present invention;
fig. 4 shows an operational logic diagram of the present invention.
In the figure: 1-a pressure relief valve, 2-a purge pressure gas circuit, 3-a purge valve cylinder gas circuit, 4-an inlet nut interface, 5-a plate rear switch, 6-a main control box, 7-an outlet nut interface, 8-a motor inlet pipeline, 9-a proportional pressure regulating filter valve, 10-a controller, 11-a filtering pressure regulating valve, 12-a pressure gauge, 13-a two-position three-way valve responsible for pressure exchange, 14-a micro-pressure sensor, 15-a junction box, 16-a time regulating button, 17-an electromagnetic valve, 18-a micro-pressure transmitter, 19-an OR valve, 20-a two-position three-way valve responsible for micro-pressure sensor switch, 21-a throttle valve, 22-a two-position three-way valve responsible for exhaust valve self-locking, 23-a positive pressure shell, 24-25, 26-fire barrier net, 27-display device.
Detailed Description
The following describes the positive pressure control system for an electric motor with integrated control according to the present invention with reference to the accompanying drawings.
Referring to fig. 1 to 4, the utility model relates to an electrical integrated control's malleation control system for motor, including master control case 6 and relief valve 1, through sweeping pressure gas circuit 2, sweeping valve cylinder gas circuit pipe connection between relief valve 1 and master control case 6, have switch on master control case 6's the panel. The pressure release valve 1 comprises a pressure release valve housing, an exhaust valve 24 is arranged in the pressure release valve housing, a cylinder 25 in the pressure release valve housing is connected with the exhaust valve 24, and a fire retarding net 26 is arranged on the side face of the pressure release valve housing. The main control box 6 is internally provided with a main air path which is formed by connecting an air inlet nut interface 4, a pressure gauge 12, a proportional pressure regulating filter valve 9 and an air outlet nut interface 7 in series, and the air outlet nut interface 7 is connected with an air inlet pipeline 8 of the motor. An electric logic loop consisting of a plate back switch 5, a micro-pressure sensor 14, a filtering pressure regulating valve 11, a two-position three-way valve 13 responsible for pressure exchange, a two-position three-way valve 22 responsible for self-locking, a two-position three-way valve 20 responsible for micro-pressure sensor switching, an electromagnetic valve 17, a throttle valve 21 or a valve 19 is arranged in the main control box 6. The main control box 6 further comprises a controller 10, a time adjusting button 16, a junction box 15 and a through nut interface connected with the air path. The controller 10 comprises a controller housing, a logic integrated circuit board is arranged in the controller housing, and the micro-pressure transmitter 18 and the display device 27 in the controller housing are connected with the logic integrated circuit board. The controller 10 is connected with an electromagnetic valve 17 and a junction box 15 through electric wires, a circuit board in the controller 10 is connected with a micro-pressure transmitter 18 and a time adjusting button 16 through electric wires, the micro-pressure transmitter 18 is connected with a two-position three-way valve 13 responsible for pressure exchange through an air path, the electromagnetic valve 17 is connected with an OR valve 19, the two-position three-way valve, a throttle valve 21, a micro-pressure sensor 14 and a proportional pressure regulating filter valve 9 which form an electrical logic loop in parallel or in series through an air path, and two output ports of the two-position three-way valve 13 responsible for pressure exchange are respectively connected with a motor shell and a purging pressure port. The controller 10 collects, transmits and controls data according to the gas pressure in the motor housing, and transmits the data to the junction box 15 through a cable for remote transmission, and the display device 27 of the controller 10 displays various states and parameters on site. The micro-pressure transmitter 18 can sense the shell pressure, can accurately control the switching and data transmission of each state, and the tolerance of the pressure value is within +/-10 Pa.
The utility model discloses controller 10 realizes the collection, transmission and the control of each state and parameter in the system operation process, carries out each item action by the instruction of controller is carried out to electric logic circuit, accomplishes the realization of each function by the main gas circuit of relief valve 1 and main control box 6. The junction box 15 remotely outputs various operating states and parameters of the positive pressure control system.
In an original state, an air source is connected with a pressure gauge 12, a proportional pressure regulating filter valve 9 and a positive pressure shell 23 through pipelines to form a main air path, meanwhile, the air source is connected with a filtering and pressure regulating valve 11 through pipelines, the output end of the filtering and pressure regulating valve 11 is connected with a P port of a two-position three-way valve 22 responsible for self-locking, a P port of an electromagnetic valve 17 and a throttle valve 21 in parallel, the output end of the throttle valve 21 is connected with a control port of the proportional pressure regulating filter valve 9 and a P port of a two-position three-way valve 25 responsible for micro-pressure sensor switching in parallel, an A port of a two-position three-way valve 20 responsible for micro-pressure sensor switching is connected with the output end of a micro-pressure sensor 14, an A port of the electromagnetic valve 17 is connected with a control port of a two-position three-way valve 13 responsible for pressure exchange, or the, a port P of the electromagnetic valve 17 is connected with a purging pressure output port of the pressure relief valve 1, a port R is connected with a pressure output port of the positive pressure shell 23, a port A of the electromagnetic valve 17 is connected with input ends of the micro-pressure sensor 14 and the micro-pressure transmitter 18, a control coil of the electromagnetic valve 17 is connected with the controller 10 through a cable, and the time adjusting button 16, the junction box 15 and the board rear switch 5 are connected with the controller 10 through cables.
The utility model discloses a malleation control system, after switch-ON and air supply are opened, board rear switch 5 is pulled out to "ON" position, and controller 10 has got electric, and solenoid valve 17 acts, and the air supply passes through the P mouth of solenoid valve 17 to the cylinder 25 of A mouth switch-ON relief valve 1, opens discharge valve 1, and simultaneously, the two-position three-way valve 13 that is responsible for pressure exchange acts, the gas circuit between switch-ON relief valve 1's the pressure port that sweeps and micro-pressure sensor 14. Meanwhile, a gas path between a purging pressure port of the pressure relief valve 1 and the micro-pressure transmitter 18 is connected, and simultaneously, a gas source of the electromagnetic valve 17 enables the two-position three-way valve 20 which is responsible for switching the micro-pressure sensor and is responsible for leading the micro-pressure sensor 14 to the proportional pressure regulating filter valve 9 to act. At this time, the micro-pressure sensor 14 controls the opening of the proportional pressure regulating filter valve 9 according to the purging pressure of the pressure relief valve 1, so as to control the air inflow of the air source into the motor housing, and the controller 10 determines whether to enter the purging stage according to the outlet pressure of the pressure relief valve 1 measured by the micro-pressure transmitter 18. When the outlet pressure reaches a preset value, the system enters a purge phase, the display device 27 displays the purge time and the purge pressure, and the purge time starts to count down.
At this point, the purge time may be increased or decreased by a time adjustment button 16 connected to the controller. The time adjustment button 16 is composed of two buttons, and when one of the buttons is clicked, the purge time is increased by one unit, and when the other button is clicked, the purge time is decreased by one unit, and at the same time, the latest preset purge time value is displayed on the display screen of the controller 10.
When the countdown is finished, the controller 10 actuates the electromagnetic valve 17, and at this time, the cylinder 25 of the relief valve 1 is cut off and the exhaust valve 24 of the relief valve 1 is closed. At the moment, the two-position three-way valve 13 responsible for pressure exchange resets, the pressure to the micro-pressure sensor 14 is changed from the pressure of the purge valve to be communicated with the shell pressure gas circuit, meanwhile, the pressure to the micro-pressure transmitter 18 is also changed from the pressure of the purge valve to be communicated with the shell pressure gas circuit, simultaneously, or the valve 19 resets, the gas source always enables the control port of the two-position three-way valve 20 responsible for switching the micro-pressure sensor 14 to be communicated with the proportional pressure regulating filter valve 9 through the two-position three-way valve 23 responsible for self-locking to have pressure, and therefore the micro-pressure sensor 14 and the proportional pressure regulating filter valve 9 are always in. At this time, the micro-pressure sensor 14 controls the opening of the proportional pressure regulating filter valve 9 according to the pressure of the motor casing, so as to control the air inflow of the air source into the motor casing, and the controller 10 determines whether to enter a positive pressure stage according to the casing pressure measured by the micro-pressure transmitter 18. When the outlet pressure reaches a preset value, the system enters a positive pressure stage, and the display screen displays a positive pressure state and a pressure value during positive pressure.
In the above process, the display screen of the controller 10 outputs the status and pressure values in real time on site, and transmits the signals to the connection terminals in the junction box 15 through cables for remote control. In the purging stage or the positive pressure stage, when the pressure measured by the micro-pressure transmitter 18 does not reach a preset value, the display screen of the controller 10 outputs a warning prompt, meanwhile, the relay on the circuit board of the controller can send out corresponding actions, the controller 10 is connected to the junction box 15 through an electric wire, and corresponding terminals in the junction box 15 are switched on or off according to the actions of the relay, so that a remote transmission signal can be sent out, and signals such as 4-20 mA current or RS485 and the like of corresponding pressure can be output through the terminals.
The utility model discloses an electric logic circuit control system who comprises pneumatic sensor, solenoid valve, choke valve, two-position three-way valve etc. gets into the air input in the motor casing, makes the pressure in the motor casing maintain the design value all the time. And the positive pressure control and signal transmission of a set of control system to a plurality of motor cavities can be realized by increasing the number of the micro-pressure transmitters in the controller and the number of the micro-pressure sensors and the proportional pressure regulating filter valves.
Claims (3)
1. The positive pressure control system for the motor under electrical integrated control comprises a main control box and a pressure release valve which are connected through a gas circuit pipeline, and is characterized in that a main gas circuit and an electrical logic circuit which comprise a proportional pressure regulating filter valve are arranged in the main control box, the main control box is further provided with a controller, a time regulating button, a junction box, a micro-pressure transmitter and a through nut interface which is connected with the gas circuit, the controller is in electric connection with a solenoid valve and the junction box, and the controller is in electric connection with the time regulating button.
2. The positive pressure control system for the motor of claim 1, wherein the controller comprises a controller housing, a logic integrated circuit board is arranged in the controller housing, and the micro-pressure transmitter and the display screen in the controller housing are connected with the logic integrated circuit board.
3. The positive pressure control system for the motor of the electrical integrated control as claimed in claim 1, wherein the electrical logic loop is composed of a plate back switch, a micro pressure sensor, a filtering and pressure regulating valve, a two-position three-way valve responsible for pressure exchange, a two-position three-way valve responsible for self-locking, a two-position three-way valve responsible for micro pressure sensor switching, an electromagnetic valve, a throttle valve or a valve, the micro pressure transmitter is connected with the two-position three-way valve responsible for pressure exchange through a gas path, the electromagnetic valve is connected with the or valve, the two-position three-way valve, the throttle valve, the micro pressure sensor and the proportional pressure regulating filter valve in parallel/series through a gas path, and two output ports of the two-position three-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922155163.8U CN211061881U (en) | 2019-12-05 | 2019-12-05 | Electrical comprehensive control positive pressure control system for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922155163.8U CN211061881U (en) | 2019-12-05 | 2019-12-05 | Electrical comprehensive control positive pressure control system for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211061881U true CN211061881U (en) | 2020-07-21 |
Family
ID=71589078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922155163.8U Expired - Fee Related CN211061881U (en) | 2019-12-05 | 2019-12-05 | Electrical comprehensive control positive pressure control system for motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211061881U (en) |
-
2019
- 2019-12-05 CN CN201922155163.8U patent/CN211061881U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200721 |