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CN-224217020-U - Wireless electric blanket control circuit and device thereof, and wireless control electric blanket

CN224217020UCN 224217020 UCN224217020 UCN 224217020UCN-224217020-U

Abstract

The utility model discloses a wireless electric blanket control circuit and a device thereof, and a wireless control electric blanket, wherein the wireless electric blanket control circuit is applied to a wireless transmitting end and a wireless receiving end of the wireless electric blanket, and the wireless transmitting end comprises a first microcontroller unit, a wireless transmitting unit, an LCD display unit, an operation panel unit, a second microcontroller unit, an AC/DC power supply conversion unit, a wireless receiving unit and an LED module. According to the utility model, the remote control and state monitoring of the electric blanket are realized through the wireless communication technology, a user can remotely control the electric blanket through the wireless transmitting end without directly contacting the electric blanket or a control panel thereof, so that the convenience and comfort of the user are improved, the control of the electric blanket is more flexible, the electric blanket can be controlled at any position of a room, and the electric blanket is not limited by the position. The wireless electric blanket control circuit provided by the utility model improves the use experience of users, enhances the flexibility and the functionality of the electric blanket and realizes intelligent control.

Inventors

  • BAI YONGQIANG

Assignees

  • 河北维格娜丝电器有限公司

Dates

Publication Date
20260508
Application Date
20250725

Claims (10)

  1. 1. A wireless electric blanket control circuit, is applied to wireless transmitting end and wireless receiving end of wireless electric blanket, its characterized in that, wireless transmitting end includes: The first microcontroller unit is used for decoding the received wireless signals, extracting control instructions and outputting the control instructions; The wireless transmitting unit is used for receiving wireless signals of the wireless transmitting end and demodulating the wireless signals; the LCD display unit is used for displaying the current working state of the electric blanket; An operation panel unit, configured to obtain operation information of the wireless receiving end from the outside; The wireless receiving end is installed on the electric blanket, includes: the second microcontroller unit analyzes the information input by the user and codes the information into a wireless signal format; the AC/DC power supply conversion unit is connected with the second microcontroller and used for converting alternating current into power supply input of the second microcontroller unit; the wireless receiving unit is connected with the second microcontroller, receives wireless signals from the wireless receiving end and converts the wireless signals into digital signals which can be processed by the second microcontroller; And the LED module is connected with the second microcontroller and used for indicating the working state of the wireless receiving end.
  2. 2. The wireless blanket control circuit of claim 1, wherein a filter capacitor is connected between a pin 1 and a pin 2 of the first micro-controller unit, the first micro-controller unit is connected with the LCD display unit and the operation panel unit, the operation panel unit is a key switch assembly and comprises a first key switch, a second key switch, a third key switch, a fourth key switch, a fifth key switch and a sixth key switch, wherein one end of the first key switch is connected with a pin K_A of the first micro-controller, the other end of the first key switch is grounded, one end of the second key switch is connected with a pin K_B of the first micro-controller, the other end of the second key switch is grounded, one end of the third key switch is connected with a pin K_TIME of the first micro-controller, the other end of the fourth key switch is grounded, one end of the fifth key switch is connected with a pin K_CM of the first micro-controller, the other end of the fourth key switch is grounded, and the other end of the sixth key switch is connected with a pin K_PER of the first micro-controller.
  3. 3. The radio blanket control circuit of claim 2, further comprising a backlight light emitting diode, wherein the positive electrode of the backlight light emitting diode is connected to the VCC power supply, the negative electrode of the backlight light emitting diode is connected to pin No. 3 of the first microcontroller, and a current limiting resistor is connected in series between the backlight light emitting diode and pin No. 3 of the first microcontroller.
  4. 4. The radio blanket control circuit of claim 1, wherein the wireless transmitting unit comprises a wireless communication chip, an antenna and a resonant matching network thereof, a first crystal oscillator is connected between pins 1 and 6 of the wireless communication chip, pin 5 of the wireless communication chip is connected with a VCC power supply, a decoupling capacitor is connected between the VCC power supply and pin 5, and pin 4 of the wireless communication chip is a TXD pin for receiving the first microcontroller data.
  5. 5. The radio blanket control circuit of claim 1, wherein said second microcontroller unit is connected to a wireless input pin of a wireless receiving unit via a wireless transmitting pin, said wireless receiving unit peripheral circuit including an antenna, an inductance, a capacitance and a second crystal oscillator.
  6. 6. The radio blanket control circuit of claim 5, wherein the antenna is connected to a radio frequency output pin of a radio frequency chip in the radio receiving unit, the inductor comprises a first inductor and a second inductor, the capacitor comprises a fourth capacitor, a fifth capacitor, a sixth capacitor and a seventh capacitor, one end of the fourth capacitor is connected to pin 7 of the radio frequency chip, the other end of the fourth capacitor is grounded, one end of the fifth capacitor is connected to pin 4 of the radio frequency chip, the other end of the fifth capacitor is grounded, one end of the sixth capacitor is connected to pin 3 of the radio frequency chip, the other end of the sixth capacitor is grounded, one end of the seventh capacitor is connected to pin 2 of the radio frequency chip, the other end of the seventh capacitor is connected between the antenna and the second inductor, and one end of the second inductor is grounded.
  7. 7. The wireless blanket control circuit of claim 1, wherein the LED module comprises a first LED, a second LED, a third LED, and a fourth LED, the anode of the first LED is connected to the LED PER pin of the first microcontroller unit, the cathode of the first LED is grounded, the anode of the second LED is connected to the LED ON pin of the second microcontroller, the cathode of the second LED is grounded, the anode of the third LED is connected to LED YXRF of the second microcontroller, the cathode of the third LED is grounded, the anode of the fourth LED is connected to YXSW pin of the second microcontroller, the cathode of the fourth LED is grounded, and a current limiting resistor is connected in series between each pin and the LED.
  8. 8. The wireless blanket control circuit of claim 1, including a fuse in the AC/DC power conversion unit, a rectifier bridge for converting the input AC power to DC power, and an electrolytic capacitor, the fuse being connected in series with the AC input line.
  9. 9. A radio blanket control device, wherein a radio blanket control circuit as claimed in any one of claims 1 to 8 is provided.
  10. 10. A radio blanket, characterized in that the radio blanket comprises the radio blanket control device of claim 9, and a radio receiving end in the radio blanket control device is connected with a radio transmitting end in a wireless connection mode.

Description

Wireless electric blanket control circuit and device thereof, and wireless control electric blanket Technical Field The utility model relates to a wireless electric blanket control circuit and a device thereof, and a wireless control electric blanket, belonging to the technical field of electric heating products. Background With the development of technology and the improvement of living standard of people, the demands for household comfort are increasing. The electric blanket is used as a common heating device, and is widely welcome due to the convenient use and good heating effect. However, the prior art electric blanket generally needs to be manually operated, and a user needs to directly contact the electric blanket to adjust the temperature or switch, so that the electric blanket has the defects of lack of convenience and potential safety hazard, and cannot meet the requirements of people, and needs to be improved. Disclosure of utility model The utility model aims to provide a wireless electric blanket control circuit, a device thereof and a wireless control electric blanket, which solve the defects existing in the prior art. The utility model provides the following scheme: A wireless electric blanket control circuit applied to a wireless transmitting end and a wireless receiving end of a wireless electric blanket, wherein the wireless transmitting end comprises: The first microcontroller unit is used for decoding the received wireless signals, extracting control instructions and outputting the control instructions; The wireless transmitting unit is used for receiving wireless signals of the wireless transmitting end and demodulating the wireless signals; the LCD display unit is used for displaying the current working state of the electric blanket; An operation panel unit, configured to obtain operation information of the wireless receiving end from the outside; The wireless receiving end is installed on the electric blanket, includes: the second microcontroller unit analyzes the information input by the user and codes the information into a wireless signal format; the AC/DC power supply conversion unit is connected with the second microcontroller and used for converting alternating current into power supply input of the second microcontroller unit; the wireless receiving unit is connected with the second microcontroller, receives wireless signals from the wireless receiving end and converts the wireless signals into digital signals which can be processed by the second microcontroller; And the LED module is connected with the second microcontroller and used for indicating the working state of the wireless receiving end. Further, a filter capacitor is connected between the No. 1 pin and the No. 2 pin of the first micro-controller unit, the first micro-controller unit is connected with the LCD display unit and the operation panel unit, the operation panel unit is a key switch assembly and comprises a first key switch, a second key switch, a third key switch, a fourth key switch, a fifth key switch and a sixth key switch, wherein one end of the first key switch is connected with the K_A pin of the first micro-controller, the other end of the first key switch is grounded, one end of the second key switch is connected with the K_B pin of the first micro-controller, the other end of the second key switch is grounded, one end of the third key switch is connected with the K_TIME pin of the first micro-controller, the other end of the fourth key switch is grounded, one end of the fifth key switch is connected with the K_CM pin of the first micro-controller, the other end of the fifth key switch is grounded, and one end of the sixth key switch is connected with the K_PER pin of the first micro-controller, and the other end of the sixth key switch is grounded. Further, the LED backlight module further comprises a backlight LED, wherein the positive electrode of the backlight LED is connected with the VCC power supply, the negative electrode of the backlight LED is connected with the No. 3 pin of the first microcontroller, and a current limiting resistor is connected in series between the backlight LED and the No. 3 pin of the first microcontroller. Further, the wireless transmitting unit comprises a wireless communication chip, an antenna and a resonance matching network thereof, a first crystal oscillator is connected between a No. 1 pin and a No. 6 pin of the wireless communication chip, a No. 5 pin of the wireless communication chip is connected with a VCC power supply, a decoupling capacitor is connected between the VCC power supply and the No. 5 pin, and a No. 4 pin of the wireless communication chip is a TXD pin for receiving data of the first microcontroller. Further, the second micro controller unit is connected with a wireless input pin of the wireless receiving unit through a wireless transmitting pin, and the peripheral circuit of the wireless receiving unit comprises an antenna, an inductor, a capaci