CN216045713U - Valve control system - Google Patents
Valve control system Download PDFInfo
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- CN216045713U CN216045713U CN202122366896.3U CN202122366896U CN216045713U CN 216045713 U CN216045713 U CN 216045713U CN 202122366896 U CN202122366896 U CN 202122366896U CN 216045713 U CN216045713 U CN 216045713U
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- power supply
- control module
- valve
- motor
- limiter
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Abstract
The utility model discloses a valve control system, which comprises a main shaft, a control module, a arrival controller and a power-off reset module, wherein the output end of the main shaft is connected with a valve, and the main shaft is in transmission connection with a motor; the motor is connected with a main power supply, and the control module receives a remote control signal; the arrival controller comprises an open limiter and a close limiter, the open limiter and the close limiter receive the instruction of the control module, and the motor receives the instruction of the control module or the open limiter or the close limiter; the power-off reset module comprises a storage battery and a power supply controller, wherein the storage battery is connected with a main power supply through a charging module, the power supply controller is connected with the main power supply, when the main power supply is powered off, the power supply controller provides instructions for the storage battery and one of a limit switch or a limit switch, the storage battery supplies power for the motor, the motor receives the instruction of the limit switch or the limit switch, a driving main shaft rotates, a valve is finally in a preset state, and loss caused by power-off is reduced to the maximum extent.
Description
Technical Field
The utility model relates to an improved valve control system.
Background
The valve has wide application field and can be used for controlling the flow of fluids such as coal gas, steam, water and the like. At present, a large valve is executed by an electric actuator, so that the valve can be automatically opened and closed, and the opening size of the valve can be controlled, namely the flow is controlled; however, after the electric actuator is powered off, the valve can be opened and closed only through manual operation, and under the condition of power failure, especially under dangerous conditions such as high temperature, high pressure and fire, the potential safety hazard of manual operation is large, and the personal safety can be endangered.
Disclosure of Invention
In view of the technical problems in the background art, the technical problem to be solved by the present invention is to provide a valve control system that eliminates the above-mentioned safety hazards.
In order to solve the technical problems, the utility model adopts the following technical scheme: this kind of outage electric actuator that resets, its characterized in that: comprises that
The output end of the main shaft is connected with the valve, the main shaft is in transmission connection with the motor, and the main shaft is provided with a microswitch;
the control module is connected with a main power supply, the motor is connected with the main power supply, the control module receives a remote control signal, and the microswitch feeds back an in-place signal of the spindle to the control module;
the arrival controller comprises an open limiter and a close limiter, the open limiter and the close limiter receive the instruction of the control module, and the motor receives the instruction of the control module or the open limiter or the close limiter;
and a power-off reset module comprising
A storage battery connected with the main power supply through a charging module,
and the power supply controller is connected with the main power supply, when the main power supply is powered off, the power supply controller provides an instruction for the storage battery and one of the on-limit device or the off-limit device, the storage battery supplies power for the motor, the motor receives the instruction for the on-limit device or the off-limit device, and the microswitch feeds back an in-place signal of the spindle to the power supply controller.
After a main power supply is disconnected, a storage battery of the power-off reset module supplies power to the motor, the power controller sends a set instruction to the motor, the motor drives the main shaft to rotate, the valve is closed in place or opened in place, the microswitch receives in-place information of the main shaft and then sends the information to the power controller, and finally the motor stops running; the motor drives the main shaft to rotate through the power-off reset module, so that the valve is in a preset state, the loss caused by power-off is reduced to the maximum extent, manual operation is replaced, and potential safety hazards in the background technology are eliminated.
Preferably, the charging module is connected with a switching power supply, the switching power supply is connected with a main power supply, the power supply controller receives the electric quantity information of the storage battery, and the power supply controller sends an instruction to the switching power supply; the power supply controller controls the switch power supply switch according to the electric quantity information fed back by the storage battery, if the electric quantity of the storage battery is insufficient, the switch power supply is turned on, the charging module supplies power to the storage battery, otherwise, the electric quantity of the storage battery is full, the switch power supply is turned off, the charging module stops supplying power, the storage battery is prevented from being continuously charged to bring damage, and the service life of the storage battery is prolonged.
Preferably, the valve is connected with a torque sensor, and the control module receives information of the torque sensor; the valve feeds back the switching information to the control module through the torque sensor, the control module sends an instruction to the motor according to the fed-back information, and if the valve reaches an instruction state, the motor stops running, so that the motor, the spindle and the valve are protected, and damage caused by excessive running of the motor, the spindle and the valve is avoided.
Preferably, the control module receives an ESD signal; when a dangerous case occurs, the ESD signal sends a signal to the control module, and the control module sends an instruction to the opening limiter or the closing limiter, so that the valve is opened in place or closed reversely in place, and larger damage caused by the fact that the valve is not in place is avoided.
Preferably, the control module is connected with the remote display, the control module sends information to the remote display, so that a user can check the state of the valve through the remote display, and sends an instruction to the control module through the remote control, and finally the remote display and the remote control have the same instruction.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Detailed Description
The following describes details and operational principles of embodiments and examples of the present invention with reference to the drawings. The power-off reset electric actuator comprises a main shaft, a control module, a arrival controller and a power-off reset module, wherein the output end of the main shaft is connected with a valve, the main shaft is in transmission connection with a motor, the main shaft is provided with a microswitch, the motor drives the main shaft to rotate, the main shaft enables the valve to be opened or closed, and when the main shaft rotates to a state that the valve is closed or the valve is completely opened, the microswitch is triggered; the control module is connected with a main power supply, the motor is connected with the main power supply, the main power supply provides power for the control module and the motor, the control module receives a remote control signal, and the microswitch feeds back an in-place signal of the spindle to the control module; the arrival controller comprises an opening limiter and a closing limiter, the opening limiter and the closing limiter receive instructions of a control module, the motor receives the instructions of the control module or the opening limiter or the closing limiter, and the control module sends the sent signals to the motor according to remote control to control the opening and closing of the valve and the opening angle of the valve; the power-off reset module comprises a storage battery and a power supply controller, the storage battery is connected with a main power supply through a charging module, namely, the main power supply supplies power to the storage battery, the power supply controller is connected with the main power supply, receives power information of the main power supply, monitors whether the main power supply continuously supplies power, provides instructions for the storage battery, and when the main power supply is powered off, the power supply controller provides instructions for the storage battery and one of a switch limiter or a switch limiter, the storage battery supplies power to a motor, the motor receives the instruction of the switch limiter or the switch limiter, the motor starts a driving spindle to enable the valve to reach a preset state, and the microswitch feeds an in-place signal of the spindle back to the control module or the power supply controller. Specifically, a main power supply provides power supply voltage for a control module and a motor, and meanwhile, a storage battery is charged, under normal conditions, a worker remotely controls the control module through remote control, for example, the control module sends a valve closing instruction to the control module through remote control, the control module sends the instruction to the motor after receiving the information, the motor drives a main shaft to rotate, the valve is closed, the main shaft rotates to trigger a microswitch, the valve is closed, the microswitch sends the information to the control module, the control module sends the instruction to the motor, the motor stops running, and the microswitch plays a role in overload protection, so that damage caused by overload running of the motor, the main shaft and the valve is avoided; when a dangerous situation occurs and a main power supply is powered off, in order to avoid larger loss, the valve needs to be operated, an operation instruction is preset according to requirements, in the attached drawing 1, a power supply controller is connected with a closing limiter and sends out a signal for closing the valve in place, if the valve is opened in advance, the power supply controller is set to be connected with an opening limiter, the attached drawing is taken as an example, after the power supply controller receives the signal for disconnecting the main power supply, the power supply controller sends an instruction to a storage battery and the closing limiter, a motor drives a main shaft to rotate, the valve is closed in place, finally, information is sent to the power supply controller through a microswitch, and the motor is closed.
In order to avoid damage of the storage battery due to overcharge, the charging module is connected with a switching power supply, the switching power supply is connected with a main power supply, the power supply controller receives the electric quantity information of the storage battery, and the power supply controller sends an instruction to the switching power supply; the power supply controller controls the switch of the switch power supply according to the electric quantity information fed back by the storage battery, if the electric quantity of the storage battery is insufficient, an instruction is sent to the switch power supply to enable the switch power supply to be started, the charging module supplies power to the storage battery, otherwise, if the electric quantity of the storage battery is full, the switch power supply is turned off, and the charging module stops supplying power, so that the service life of the storage battery is prolonged. The valve is connected with a torque sensor, the control module receives information of the torque sensor, the valve feeds opening and closing information of the valve back to the control module through the torque sensor, the control module sends an instruction to the motor according to the fed-back information, if the valve reaches an instruction state, the motor stops running, the purpose of overload protection is achieved, and damage to the motor, the spindle and the valve due to excessive running is avoided. The control module is connected with the remote display, the control module sends information to the remote display, so that a user can check the state of the valve through the remote display, and sends an instruction to the control module through the remote control, and finally the remote display is consistent with the instruction of the remote control. The control module receives an ESD signal; when a dangerous situation occurs, starting or triggering an ESD signal, starting a limit opening device or a limit closing device when the control module receives the ESD signal, sending a valve opening in-place instruction if the limit opening device is set, sending a valve closing in-place instruction if the limit closing device is set, and after the ESD signal is sent, neglecting overload and overheating protection signals by the control module to enable the valve to be in a state of being opened in place or being closed reversely in place.
Claims (5)
1. A valve control system, characterized by: comprises that
The output end of the main shaft is connected with the valve, the main shaft is in transmission connection with the motor, and the main shaft is provided with a microswitch;
the control module is connected with a main power supply, the motor is connected with the main power supply, the control module receives a remote control signal, and the microswitch feeds back an in-place signal of the spindle to the control module;
the arrival controller comprises an open limiter and a close limiter, the open limiter and the close limiter receive the instruction of the control module, and the motor receives the instruction of the control module or the open limiter or the close limiter;
and a power-off reset module comprising
A storage battery connected with the main power supply through a charging module,
and the power supply controller is connected with the main power supply, when the main power supply is powered off, the power supply controller provides an instruction for the storage battery and one of the on-limit device or the off-limit device, the storage battery supplies power for the motor, the motor receives the instruction for the on-limit device or the off-limit device, and the microswitch feeds back an in-place signal of the spindle to the power supply controller.
2. The valve control system of claim 1, wherein: the charging module is connected with the switching power supply, the switching power supply is connected with the main power supply, the power controller receives the electric quantity information of the storage battery, and the power controller sends an instruction to the switching power supply.
3. The valve control system of claim 1, wherein: the valve is connected with a torque sensor, and the control module receives information of the torque sensor.
4. The valve control system of claim 1, wherein: the control module receives an ESD signal.
5. The valve control system of claim 1, wherein: the control module is connected with a remote display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122366896.3U CN216045713U (en) | 2021-09-29 | 2021-09-29 | Valve control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122366896.3U CN216045713U (en) | 2021-09-29 | 2021-09-29 | Valve control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216045713U true CN216045713U (en) | 2022-03-15 |
Family
ID=80546709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122366896.3U Active CN216045713U (en) | 2021-09-29 | 2021-09-29 | Valve control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216045713U (en) |
-
2021
- 2021-09-29 CN CN202122366896.3U patent/CN216045713U/en active Active
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