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CN-224232117-U - Integrated control system

CN224232117UCN 224232117 UCN224232117 UCN 224232117UCN-224232117-U

Abstract

The application discloses an integrated control system, which comprises a control device and K controlled devices. The control device comprises a first zero-crossing detection module, a first control module and a switch module, wherein the first zero-crossing detection module outputs a first zero-crossing detection signal based on an alternating current power supply. The first control module outputs a control signal based on the first zero crossing detection signal. The switch module is turned on or off in response to the control signal to output a chopping signal to the controlled device. The controlled device comprises a second zero-crossing detection module, a second control module and a load, wherein the second zero-crossing detection module outputs a second zero-crossing detection signal based on the chopping signal, and the second control module outputs a driving signal to the load based on the corresponding relation between the second zero-crossing detection signal and the preset value so as to drive the load to be in a working state corresponding to the second zero-crossing detection signal. By the method, the controlled equipment can be reliably subjected to cluster control, and the cost is low.

Inventors

  • YUAN WEIZHI
  • YANG YONGLIAN
  • DONG ZHICHANG

Assignees

  • 深圳和而泰智能控制股份有限公司

Dates

Publication Date
20260512
Application Date
20250527

Claims (10)

  1. 1. An integrated control system, comprising: the control device and K controlled devices, wherein K is an integer greater than or equal to 1; The control apparatus includes: The first zero-crossing detection module is connected with an alternating current power supply and is used for outputting a first zero-crossing detection signal based on the alternating current power supply, wherein the first zero-crossing detection signal is of a first level when the alternating current power supply is larger than zero, and the first zero-crossing detection signal is of a second level when the alternating current power supply is smaller than or equal to zero; the first control module is connected with the first zero-crossing detection module and is used for outputting a control signal based on the first zero-crossing detection signal; The switch module is connected with the first control module and between the alternating current power supply and the controlled equipment, and is used for responding to the control signal to be turned on or turned off so as to output a chopping signal to the controlled equipment, wherein the time when the control signal controls the switch module to be turned on or turned off is determined according to the time when the first zero crossing detection signal is switched from high level to low level or from low level to high level; the controlled apparatus includes: The second zero-crossing detection module is connected with the switch module and is used for outputting a second zero-crossing detection signal based on the chopping signal, wherein the second zero-crossing detection signal is the first level when the alternating current power supply is larger than zero, and the second zero-crossing detection signal is the second level when the alternating current power supply is smaller than or equal to zero; The second control module is respectively connected with the second zero-crossing detection module and the load, and is used for outputting a driving signal to the load based on the second zero-crossing detection signal and a preset corresponding relation so as to drive the load to be in a working state corresponding to the second zero-crossing detection signal, wherein the preset corresponding relation is a preset corresponding relation among the second zero-crossing detection signal, the driving signal and the working state.
  2. 2. The integrated control system of claim 1, wherein the switch module comprises: A first switch tube, a first end of which is connected with the first control module to input the control signal, a second end of which is connected with the second zero-crossing detection module, a third end of which is connected with the live wire of the AC power supply, or And a first end of a coil of the relay is connected with the first control module so as to input the control signal, a second end of the coil is grounded, one contact of a pair of normally open contacts of the relay is connected with the second zero-crossing detection module, and the other contact is connected with a live wire of the alternating current power supply.
  3. 3. The integrated control system of claim 2, wherein the first switching tube is an NMOS tube, a gate of the NMOS tube is a first end of the first switching tube, a source of the NMOS tube is a second end of the first switching tube, and a drain of the NMOS tube is a third end of the first switching tube, or The first switch tube is an NPN triode, the base electrode of the NPN triode is the first end of the first switch tube, the emitting electrode of the NPN triode is the second end of the first switch tube, and the collector electrode of the NPN triode is the third end of the first switch tube.
  4. 4. The integrated control system of claim 1, wherein the first zero crossing detection module comprises a first optocoupler, a first resistor, and a second switching tube; The anode of the light emitter of the first optocoupler is connected with the live wire of the alternating current power supply, the cathode of the light emitter of the first optocoupler is connected with the zero line of the alternating current power supply, the first end of the light receiver of the first optocoupler is connected with the first end of the second switch tube, the second end of the light receiver of the first optocoupler is grounded, the second end of the second switch tube is connected with the first voltage, and the third end of the second switch tube is respectively connected with the first end of the first resistor and the first control module, and the second end of the first resistor is grounded.
  5. 5. The integrated control system of claim 4, wherein the first zero crossing detection module further comprises a second resistor, a third resistor, a fourth resistor, a first diode, a first capacitor, a second capacitor, and a third capacitor; The anode of the first diode is connected with the live wire of the alternating current power supply, the cathode of the first diode is connected with the first end of the second resistor, the second end of the second resistor is connected with the anode of the light emitter of the first optocoupler, the third resistor is connected between the zero line of the alternating current power supply and the cathode of the light emitter of the first optocoupler, the first capacitor is connected between the first voltage and the first end of the second switching tube, the second capacitor is connected between the first end of the second switching tube and the ground, the fourth resistor is connected between the third end of the second switching tube and the first control module, and the third capacitor is connected between the first control module and the ground.
  6. 6. The integrated control system of claim 4 or 5, wherein the second switching tube is a PNP transistor, a base electrode of the PNP transistor is a first end of the second switching tube, an emitter electrode of the PNP transistor is a second end of the second switching tube, and a collector electrode of the PNP transistor is a third end of the second switching tube.
  7. 7. The integrated control system of claim 1, wherein the second zero crossing detection module comprises a second optocoupler, a fifth resistor, and a third switching tube; The positive pole of the light emitter of second opto-coupler with the switch module is connected, the negative pole of the light emitter of second opto-coupler with alternating current power supply's zero line is connected, the first end of the light receiver of second opto-coupler with the first end of third switch tube is connected, the second ground connection of the light receiver of second opto-coupler, the second end of third switch tube is connected with first voltage, the third end of third switch tube respectively with the first end of fifth resistance and second control module is connected, the second ground connection of fifth resistance.
  8. 8. The integrated control system of claim 7, wherein the second zero crossing detection module further comprises a sixth resistor, a seventh resistor, an eighth resistor, a second diode, a fourth capacitor, a fifth capacitor, and a sixth capacitor; the anode of the second diode is connected with the switch module, the cathode of the second diode is connected with the first end of the sixth resistor, the second end of the sixth resistor is connected with the anode of the light emitter of the second optocoupler, the seventh resistor is connected between a zero line of the alternating current power supply and the cathode of the light emitter of the second optocoupler, the fourth capacitor is connected between the first voltage and the first end of the third switch tube, the fifth capacitor is connected between the first end of the third switch tube and the ground, the eighth resistor is connected between the third end of the third switch tube and the second control module, and the sixth capacitor is connected between the second control module and the ground.
  9. 9. The integrated control system of claim 7 or 8, wherein the third switching tube is a PNP transistor, a base electrode of the PNP transistor is a first end of the third switching tube, an emitter electrode of the PNP transistor is a second end of the third switching tube, and a collector electrode of the PNP transistor is a third end of the third switching tube.
  10. 10. The integrated control system of claim 1, wherein the control device further comprises: A non-isolated power supply connected with the AC power supply and the controlled device respectively, for outputting a first DC power to the controlled device based on the AC power supply to supply power to the controlled device, The live wire or zero wire of the alternating current power supply is connected with the positive electrode of the first direct current power supply, or And the isolation type power supply is respectively connected with the alternating current power supply and the controlled equipment and is used for outputting a second direct current power supply to the controlled equipment based on the alternating current power supply so as to supply power for the controlled equipment.

Description

Integrated control system Technical Field The embodiment of the application relates to the technical field of integrated control, in particular to an integrated control system. Background Currently, in some large places (such as extra large business, large warehouse, factory and even large residence), a certain number of fans, ceiling fans, lighting and other devices are often needed, and because the distance between the devices is short, the distance is several meters, the distance is tens of meters and even tens of meters, and a plurality of shields (wall bodies, cargoes and the like) possibly exist in the middle, if individual control is needed, the time and the energy are wasted. Based on the above reasons, in the current time when the Internet of things is developed, the Internet of things modules such as Bluetooth, wiFi and zigbee can be used for carrying out cluster control on the equipment, but the mode is high in cost and very dependent on wireless radio frequency signals, and once the complex electromagnetic interference occurs in the environment, the situation that the failure is uncontrollable can occur. Disclosure of utility model The embodiment of the application provides an integrated control system which can reliably perform cluster control on controlled equipment and has lower cost. In a first aspect, an embodiment of the present application provides an integrated control system, including a control device and K controlled devices, where K is an integer greater than or equal to 1; the control device comprises a first zero-crossing detection module, a first control module, a switching module and a switching module, wherein the first zero-crossing detection module is connected with an alternating current power supply and is used for outputting a first zero-crossing detection signal based on the alternating current power supply, the first zero-crossing detection signal is a first level when the alternating current power supply is larger than zero, the first zero-crossing detection signal is a second level when the alternating current power supply is smaller than zero, the first control module is connected with the first zero-crossing detection module and is used for outputting a control signal based on the first zero-crossing detection signal, the switching module is connected with the first control module and is connected between the alternating current power supply and the controlled device and is used for responding to the control signal to be turned on or off so as to output a chopping signal to the controlled device, the moment when the switching module is controlled to be switched on or off according to the first zero-crossing detection signal, the moment when the switching module is switched on or switched on from the low level to the high level is determined, the controlled device comprises a second zero-crossing detection module and is connected with the switching module and is used for outputting a second zero-crossing detection signal based on the first zero-crossing detection signal, the switching module is connected with the second zero-crossing detection signal is the second zero-crossing detection module and is used for controlling the zero-crossing signal to be equal to the second zero-crossing detection signal and the zero-crossing detection module and the second zero-crossing detection signal is respectively, the zero-crossing detection module and the second zero-crossing detection signal is connected with the second zero-crossing control module and the second zero-crossing detection module and the control signal is used for switching a zero-crossing signal, and outputting a driving signal to the load to drive the load to be in a working state corresponding to the second zero-crossing detection signal, wherein the preset corresponding relation is a preset corresponding relation among the second zero-crossing detection signal, the driving signal and the working state. In one or more embodiments, the switch module comprises a first switch tube, wherein a first end of the first switch tube is connected with the first control module to input the control signal, a second end of the first switch tube is connected with the second zero-crossing detection module, a third end of the first switch tube is connected with a live wire of the alternating current power supply, or a relay, a first end of a coil of the relay is connected with the first control module to input the control signal, a second end of the coil is grounded, one contact of a pair of normally open contacts of the relay is connected with the second zero-crossing detection module, and the other contact is connected with the live wire of the alternating current power supply. In one or more embodiments, the first switching tube is an NMOS tube, a gate of the NMOS tube is a first end of the first switching tube, a source of the NMOS tube is a second end of the first switching tube, a drain of the NMOS tube is a third end of t