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CN-224232120-U - Intelligent WiFi control circuit

CN224232120UCN 224232120 UCN224232120 UCN 224232120UCN-224232120-U

Abstract

The utility model discloses an intelligent WiFi control circuit, and relates to the technical field of intelligent control. The utility model aims to solve the problems that the control mode in the prior art is generally controlled by a control switch, the real-time state cannot be detected in some cases, the remote operation of an actuator part is realized, and the series of timing and delay control functions are not available. The LED driving circuit comprises a power management circuit, a signal control LED driving circuit and a signal circuit, wherein the power management circuit and the signal circuit are respectively and electrically connected with the signal control LED driving circuit, the signal circuit comprises a signal processing circuit and a DC-DC power conversion circuit, and the signal processing circuit is electrically connected with the DC-DC power conversion circuit. The utility model is used for intelligent control.

Inventors

  • LU JINWEN

Assignees

  • 天津市力华阀门有限公司

Dates

Publication Date
20260512
Application Date
20250721

Claims (9)

  1. 1. The intelligent WiFi control circuit is characterized by comprising a power management circuit, a signal control LED driving circuit and a signal circuit, wherein the power management circuit and the signal circuit are respectively and electrically connected with the signal control LED driving circuit, and the signal circuit comprises a signal processing circuit and a DC-DC power conversion circuit which are electrically connected.
  2. 2. The intelligent WiFi control circuit according to claim 1, wherein the power management circuit includes a rectifier bridge BR1, a voltage regulating chip U3, a thirty-first capacitor C31, a thirty-third capacitor C33, a thirty-fourth capacitor C34, a second inductor L2, a first diode D1, a second diode D2, a thirty-first resistor R30, a thirty-first resistor R31, a thirty-second resistor R32, a thirty-third resistor R33, and a fortieth resistor R40; the third pin of the rectifier bridge BR1 is connected with the live wire RD, and the fourth pin of the rectifier bridge BR1 is connected with the zero line BK; one end of the thirty-fourth capacitor C34 is connected with a first pin of the rectifier bridge BR1, and the other end of the thirty-fourth capacitor C34 is connected with a second pin of the rectifier bridge BR 1; The first pin of the rectifier bridge BR1 is connected with a thirty-first resistor R30, and the second pin of the rectifier bridge BR1 is connected with a forty-first resistor R40; one end of the thirty-first capacitor C31 is connected with a first pin of the voltage regulating chip U3, and the other end of the thirty-first capacitor C31 is connected with a second pin of the voltage regulating chip U3; The rectifier bridge BR1 is connected to the voltage regulating chip U3 via a thirty-fourth capacitor C34.
  3. 3. The intelligent WiFi control circuit according to claim 2, wherein the second pin of the voltage regulating chip U3 is connected with the first diode D1 through a thirty-second resistor R32 and a thirty-first resistor R31; the fourth pin of the voltage regulating chip U4 is connected with the second inductor L2 through a thirty-third resistor R33; the thirty-third capacitor C33 and the second inductor L2 are connected in parallel and then connected with a second pin of the voltage regulating chip U3; One end of the second diode D2 is grounded, and the other end of the second diode D2 is connected with a second pin of the voltage regulating chip U3.
  4. 4. The intelligent WiFi control circuit according to claim 1, wherein the signal control LED drive circuit comprises a power management chip U5, a voltage stabilizing chip U4, a key switch SW, a first light emitting diode LED1, a second light emitting diode LED2, a third field effect transistor Q3, a fourth field effect transistor Q4, a fifth field effect transistor Q5, a twenty-first resistor R21, a twenty-second resistor R22, a twenty-fourth resistor R24, a twenty-fifth resistor R25, a twenty-sixth resistor R26 and a thirty-eighth resistor R38; The first pin of the voltage stabilizing chip U4 is grounded, the second pin of the voltage stabilizing chip U4 is connected with a VDD power supply, and the third pin of the voltage stabilizing chip U4 is connected with the first pin of the power supply management chip U5; The source electrode of the third field effect transistor Q3 is connected with the VDD pin, the grid electrode of the third field effect transistor Q3 is connected with the twenty-sixth R26, and the drain electrode of the third field effect transistor Q3 is connected with the VZZ pin; the source electrode of the fourth field effect tube Q4 is grounded, the grid electrode of the fourth field effect tube Q4 is connected with the fifth pin of the power management chip U5, and the drain electrode of the fourth field effect tube Q4 is connected with the grid electrode of the third field effect tube Q3; the source electrode of the fifth field effect tube Q5 is grounded, the grid electrode of the fifth field effect tube Q5 is connected with the tenth pin of the power management chip U5, and the drain electrode of the fifth field effect tube Q5 is connected with the VDD pin after passing through the twenty-second resistor R22 and the first light emitting diode LED 1.
  5. 5. The intelligent WiFi control circuit according to claim 4, wherein one end of the key switch SW is connected with a ninth pin of the power management chip U5, and the other end of the key switch SW is grounded; One end of the second light emitting diode LED2 is connected with a thirty-eighth resistor R38, and the other end of the second light emitting diode LED2 passes through a twenty-first resistor R21; The tenth pin of the power management chip U5 is grounded through a twenty-fourth resistor R24.
  6. 6. The intelligent WiFi control circuit according to claim 1, wherein the signal processing circuit comprises a connector CON1, a connector CON2, a connector CON3, a connector CON4, a voltage regulating chip U1, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a twelfth resistor R12, a thirty-seventh resistor R37, an eleventh capacitor C11, a first triode Q and a second triode Q2; the base set of the first triode Q1 is connected with a thirty-seventh resistor R37 through an eighth resistor R8, the collector of the first triode Q1 is connected with a first pin of a voltage regulating chip U1, and the emitter of the first triode Q1 is grounded; The base set of the second triode Q2 is connected with a thirty-seventh resistor R37 through a ninth resistor R9, the collector of the second triode Q2 is connected with a second pin of the connector CON2 through a twelfth resistor R12, and the emitter of the second triode Q2 is connected with a node of a tenth resistor R10 and a second pin of the voltage regulating chip U1.
  7. 7. The intelligent WiFi control circuit according to claim 6, wherein the fifth pin of the voltage regulating chip U1 is respectively connected with the first pin of the connector CON1 and the second pin of the connector CON 3; The seventh pin of the voltage regulating chip U1 is connected with the first pin of the connector CON3 and the second pin of the connector CON 1; The first pin of the voltage regulating chip U1 is respectively connected with the first pin of the connector CON2 and the second pin of the connector CON4 through an eleventh resistor R11; the eleventh capacitor C11 is connected with the voltage regulating chip U1, one end of the eleventh capacitor C is grounded, and a fourth pin of the voltage regulating chip U1 is respectively connected with a third pin of the connector CON4 and the DC-DC power supply conversion circuit.
  8. 8. The intelligent WiFi control circuit according to claim 1, wherein the DC-DC power conversion circuit comprises a power management chip U2, a first inductor L1, a third diode D3, a sixth diode D6, a super capacitor BAT1, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a ninth capacitor C9, a first resistor R1, a second resistor R2, a third resistor R3 and a sixth resistor R6; one end of the super capacitor BAT1 is connected with the third diode D3, and the other end of the super capacitor BAT1 is connected with the sixth resistor R6; the super capacitor BAT1 is simultaneously connected with a fourth pin of the voltage regulating chip U1, and a sixth resistor R6 and a ninth capacitor C9 are connected in parallel, and one end of the sixth resistor R6 is grounded; one end of the third capacitor C3 and one end of the fifth capacitor C5 are connected in parallel, and the other end of the third capacitor C3 and the fifth capacitor C5 are grounded; one end of the first capacitor C1 and one end of the second capacitor C2 are connected in parallel and then connected with a sixth pin of the power management chip U2, and the other end of the first capacitor C1 and the second capacitor C2 are grounded.
  9. 9. The intelligent WiFi control circuit according to claim 8, wherein the eighth pin of the power management chip U2 is connected with a third resistor R3; The first resistor R1 and the second resistor R2 are connected in series, one end of the second resistor R2 is connected with the fifth capacitor C5, and the other end of the first resistor R1 is grounded; The fifth pin of the power management chip U2 is connected with a node between the first resistor R1 and the second resistor R2; The second pin of the power management chip U2 is connected with the first inductor L1, the third pin of the power management chip U2 is connected with the fourth capacitor C4, and the fourth pin of the power management chip U2 is grounded.

Description

Intelligent WiFi control circuit Technical Field The utility model relates to the technical field of intelligent control, in particular to an intelligent WiFi control circuit. Background Along with the rapid development of technology, the intelligent level of home is also continuously improved. Realize more powerful high efficiency of intelligent sensing product function of intelligent house product, promote healthy travelling comfort, the convenience that various traditional products experienced to be favorable to energy-concerving and environment-protective career construction. To realize the intellectualization of the device, the device is firstly accessed to a network, a control end sends a control instruction through the network, and then the device is controlled, and a preferable network access mode is a wireless network, and the wireless network has the advantages of convenient access, adaptability to various complex environments and low networking cost. At present, the control mode is generally controlled by a control switch, and some control modes cannot detect real-time states, and cannot remotely operate an actuator part, and a series of timing and delay control functions are not available. Disclosure of utility model The utility model aims to solve the problems that in the prior art, the control mode is generally controlled by a control switch, the real-time state cannot be detected, the remote operation of an actuator part is not performed, a series of timing and delay control functions are not available, and the like, and further provides an intelligent WiFi control circuit. The intelligent WiFi control circuit comprises a power management circuit, a signal control LED driving circuit and a signal circuit, wherein the power management circuit and the signal circuit are respectively and electrically connected with the signal control LED driving circuit, and the signal circuit comprises a signal processing circuit and a DC-DC power conversion circuit which are electrically connected. Preferably, the power management circuit includes a rectifier bridge BR1, a voltage regulating chip U3, a thirty-first capacitor C31, a thirty-third capacitor C33, a thirty-fourth capacitor C34, a second inductor L2, a first diode D1, a second diode D2, a thirty-first resistor R30, a thirty-first resistor R31, a thirty-second resistor R32, a thirty-third resistor R33, and a fortieth resistor R40; the third pin of the rectifier bridge BR1 is connected with the live wire RD, and the fourth pin of the rectifier bridge BR1 is connected with the zero line BK; one end of the thirty-fourth capacitor C34 is connected with a first pin of the rectifier bridge BR1, and the other end of the thirty-fourth capacitor C34 is connected with a second pin of the rectifier bridge BR 1; The first pin of the rectifier bridge BR1 is connected with a thirty-first resistor R30, and the second pin of the rectifier bridge BR1 is connected with a forty-first resistor R40; One end of the thirty-first capacitor C31 is connected with a first pin of the voltage regulating chip U3, the other end of the thirty-first capacitor C31 is connected with a second pin of the voltage regulating chip U3, and the rectifier bridge BR1 is connected with the voltage regulating chip U3 through a thirty-fourth capacitor C34. Preferably, the second pin of the voltage regulating chip U3 is connected to the first diode D1 through a thirty-second resistor R32 and a thirty-first resistor R31; The fourth pin of the voltage regulating chip U4 is connected with the second inductor L2 through a thirty-third resistor R33, and the thirty-third capacitor C33 and the second inductor L2 are connected in parallel and then connected with the second pin of the voltage regulating chip U3; One end of the second diode D2 is grounded, and the other end of the second diode D2 is connected with a second pin of the voltage regulating chip U3. Preferably, the signal control LED driving circuit includes a power management chip U5, a voltage stabilizing chip U4, a key switch SW, a first light emitting diode LED1, a second light emitting diode LED2, a third field effect transistor Q3, a fourth field effect transistor Q4, a fifth field effect transistor Q5, a twenty-first resistor R21, a twenty-second resistor R22, a twenty-fourth resistor R24, a twenty-fifth resistor R25, a twenty-sixth resistor R26, and a thirty-eighth resistor R38; The first pin of the voltage stabilizing chip U4 is grounded, the second pin of the voltage stabilizing chip U4 is connected with a VDD power supply, and the third pin of the voltage stabilizing chip U4 is connected with the first pin of the power supply management chip U5; The source electrode of the third field effect transistor Q3 is connected with the VDD pin, the grid electrode of the third field effect transistor Q3 is connected with the twenty-sixth R26, and the drain electrode of the third field effect transistor Q3 is connected with the VZZ pin; the sour