CN210425260U

CN210425260U - Skirting line room heater remote control system based on bluetooth

Info

Publication number: CN210425260U
Application number: CN201921228364.XU
Authority: CN
Inventors: 姚国宁; 王谈; 潘刚平
Original assignee: Ningbo Singfun Electric Appliance Co Ltd
Current assignee: Ningbo Singfun Electric Appliance Co Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-04-28
Anticipated expiration: 2029-07-31

Abstract

The utility model relates to a skirting line room heater remote control system based on bluetooth, including microprocessor, still include relay drive circuit, signal conversion circuit, bluetooth module and intelligent audio amplifier, signal conversion circuit is used for the signal conversion between microprocessor and the bluetooth module, microprocessor comes through signal conversion circuit with the bluetooth module communication, and bluetooth module carries out the bluetooth communication with intelligent audio amplifier, relay drive circuit's controlled end is established ties in the power supply line of skirting line room heater, and its control end meets with microprocessor. The utility model discloses a system can provide long-range interactive function, improves and uses the convenience.

Description

Skirting line room heater remote control system based on bluetooth

Technical Field

The utility model relates to a skirting line room heater remote control system based on bluetooth.

Background

Skirting line room heater is mostly non-intelligent equipment in the existing market, and it carries out near-ground human-computer interaction control based on panel button or infrared remote control, and its control mode is not intelligent enough, and it is not convenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an improve the weak point among the prior art, and provide a skirting line room heater remote control system's hardware architecture, treat that the software personnel are to microprocessor programming back wherein, this system can provide long-range mutual function, improves the convenience of using.

Therefore, the skirting line heater remote control system based on the Bluetooth technology comprises a microprocessor, a relay driving circuit, a signal conversion circuit, a Bluetooth module and an intelligent sound box, wherein the signal conversion circuit is used for signal conversion between the microprocessor and the Bluetooth module, the microprocessor is communicated with the Bluetooth module through the signal conversion circuit, the Bluetooth module is in Bluetooth communication with the intelligent sound box, the controlled end of the relay driving circuit is connected in series in a power supply line of the skirting line heater, and the control end of the relay driving circuit is connected with the microprocessor.

For the system of the technical scheme, after a software worker programs a microprocessor in the system, the system is matched with the microprocessor and a signal conversion circuit to carry out remote interaction with the intelligent sound box through a Bluetooth technology, and the microprocessor implements corresponding actions according to an interaction instruction so as to control the operation of the skirting line heater.

As a further improvement of the above technical solution, on the premise that the power supply of the bluetooth module is different from the power supply of the microprocessor, the specific structure of the signal conversion circuit is as follows: the Bluetooth module is provided with a resistor R31, a resistor R41, a resistor R51, a resistor R61, a resistor R71, a resistor R81, a triode Q11 and a triode Q21, wherein the base electrode of the triode Q11 is connected to a power supply of the Bluetooth module through a resistor R71, the collector electrode of the triode Q11 is connected with an RX pin of the Bluetooth module 10 and is connected with the power supply of the Bluetooth module through a resistor R31, and the emitter electrode of the triode Q is connected to an RXD pin of the microprocessor through a resistor R81; the base electrode of the triode Q21 is connected to a power supply of the Bluetooth module through a resistor R61, the emitter electrode of the triode is connected with a TX pin of the Bluetooth module, the collector electrode of the triode is connected with a TXD pin of the microprocessor through a resistor R51 and is connected to the power supply of the microprocessor through a resistor R41.

As a further improvement of the above technical solution, the specific structure of the relay driving circuit is: be equipped with triode Q1 and relay RY1, triode Q1's base is connected to microprocessor, its projecting pole ground connection, be connected to behind the coil of collecting electrode series connection relay RY1 the power supply of microprocessor, relay RY 1's normally open contact is established ties on the power supply line of skirting line room heater, in this technical scheme, microprocessor switches on through control triode Q1, make the coil get the closed normally open contact of electricity, can make the skirting line room heater get the electricity and heat, because only utilized triode Q1 and relay RY 1's cooperation, drive circuit's simple structure, it is little to have the space to occupy, the characteristics that the cost of manufacture is low.

As above-mentioned technical scheme's further improvement, the utility model discloses a system still includes power supply circuit, wherein microprocessor's power supply is provided by power supply circuit, and power supply circuit specifically is equipped with transformer, second wave filter and power management chip, the one end on transformer primary side is got the electricity from the direct current, and the switch pin of power management chip is connected to the other end on its primary side, thereby the secondary side and the output that meets of second wave filter of transformer microprocessor's power supply, among this technical scheme, utilize power management chip output pulse width modulation signal to control the break-make on transformer primary side, and then control power supply circuit's vary voltage output, realize that the output value is controllable.

As a further improvement of the above technical solution, the second filter is specifically provided with an electrolytic capacitor EC3, an inductor L2, and an electrolytic capacitor EC4 to form a pi-type filter.

As a further improvement of the above technical solution, the power supply circuit has a feedback circuit, the feedback circuit includes a resistor R8, a resistor R12, a resistor R13, a capacitor C4, a resistor R9, a precision adjustable reference power IC1, a sampling resistor R10 and an optical coupler U2, one end of the inductor L2 is connected in series with a resistor R8, a resistor R12, a resistor R13, a capacitor C4 and a resistor R9 in sequence and then connected to the other end of the inductor L2, a K pole of the precision adjustable reference power IC1 is connected to a junction between the resistor R12 and the resistor R13, an a pole is grounded, a G pole is connected to a junction between the capacitor C4 and the resistor R9, a G pole is also grounded via the sampling resistor R10, a control end of the optical coupler U2 is connected in parallel to the resistor R12, and a controlled end thereof is respectively connected to a FB feedback pin and a BP pin of the power management chip, in this technical solution, the precision reference power IC1 is used as an adjustable reference voltage, when an output voltage exceeds a set value of the, at the moment, two poles of A, K of the precision adjustable reference power IC1 are switched from cut-off to conduction to enable the resistor R12 to be electrified, voltage is generated at two ends of R12, namely the control end of the optical coupler U2 generates voltage, the controlled end of the U2 optical coupler is switched from cut-off to conduction to enable the FB feedback pin to be switched on the BP pin, when the FB feedback pin is switched on the BP pin, the power management chip controls the built-in MOS to be switched on so as to charge the primary side of the transformer, the output of the secondary side of the transformer does not have induced current compensation under the action of a rectifier tube, the power circuit 1 outputs power by the secondary side inductor and the energy stored in EC3 and EC4, the power supply voltage value is slowly reduced, when the output voltage is reduced to a certain value, the voltage at two ends of the sampling resistor R10 is lower than the reference voltage value, two poles of A, K of the precision adjustable reference power IC1, the output of the optical coupler U2 is, and meanwhile, reverse voltage is generated to enable the secondary side to generate induced low voltage, the induced low voltage is output after rectification and filtering, and simultaneously EC3 and EC4 are charged to enable the output voltage to gradually rise, when the output voltage rises for a certain value, U1 receives the feedback signal … … again and repeatedly performs pulse width modulation control, so that relatively stable voltage is formed for output.

As a further improvement of the above technical solution, the power supply circuit has a resistor R5, a resistor R6, a resistor R7, a capacitor C1, a diode D3, a resistor R5, a resistor R6, and a capacitor C1, which are connected in parallel to form a branch, one end of which is connected to one end of the primary side of the transformer, the other end of which is connected to the cathode of the diode D3 via a resistor R7, and the anode of the diode D3 is connected to the other end of the primary side of the transformer.

As above-mentioned technical scheme's further improvement, the utility model discloses still include the temperature acquisition circuit, the temperature acquisition circuit with the microprocessor electricity is connected, so, microprocessor just can gather ambient temperature data through the temperature acquisition circuit in real time at the operation in-process, then reports ambient temperature data for intelligent audio amplifier through bluetooth module, carries out voice broadcast by intelligent audio amplifier and reports for user's intelligent terminal to show, realizes the temperature monitoring function.

As the further improvement of above-mentioned technical scheme, the utility model discloses still include buzzer circuit, buzzer circuit with microprocessor electricity is connected, and when ambient temperature data exceeded preset threshold value, microprocessor drive buzzer circuit buzzed the warning, reminds the user to notice.

The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 shows a system block diagram of the skirting line heater remote control system of the present invention;

fig. 2 shows a circuit diagram of a power supply circuit of the present invention;

fig. 3 shows a circuit diagram of a relay drive circuit of the present invention;

fig. 4 shows a circuit diagram of the bluetooth module and the signal conversion circuit of the present invention;

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Referring to fig. 1, the skirting line warmer remote control system of this embodiment is composed of a power supply circuit 1, a temperature acquisition circuit 2, an infrared receiving circuit 3, a display circuit 4, a key control circuit 5, a buzzer circuit 6, a microprocessor 7, a relay drive circuit 8, a signal conversion circuit 9, a bluetooth module 10, and an intelligent sound box 11.

Referring to FIG. 2, the input end of a power circuit 1 is powered by mains supply, a piezoresistor ZNR is connected in parallel, when lightning or other surge generating high voltage is led into the circuit through a positive bus or a negative bus, the voltage of the surge high voltage exceeds ZNR clamping voltage through two ends of the resistor piezoresistor ZNR, and the ZNR resistance value is further reduced sharply, so that the voltage is clamped in a safety range, and the anti-surge protection of equipment is completed. The rear stage of the piezoresistor ZNR is connected with an EMC circuit 11, the EMC circuit 11 is formed by connecting a resistor R2 in series with a resistor R3 and then connecting a capacitor CX1 in parallel, wherein the resistors R2 and R3 discharge electricity to the capacitor CX1 after the plug of the equipment is unplugged, the plug is prevented from being electrified after being unplugged, and the capacitor CX1 is used for removing EMI differential mode interference. The half-wave rectifying circuit 12 and the first pi-type filter 13 are connected in sequence at the rear stage of the EMC circuit 11, wherein the half-wave rectifying circuit 12 completes the conversion from ac to dc, and a resistor R1 is connected in series between the half-wave rectifying circuit 12 and the output end of the EMC circuit 11 to relieve the impact on electrolysis at the moment of power-on, thereby prolonging the service life of the power supply circuit 1. The first pi-type filter 13 is composed of an electrolytic capacitor EC1, an inductor L1 and an electrolytic capacitor EC2, and is used for filtering converted direct current, wherein two ends of the inductor L1 are connected in parallel with a resistor R4 to eliminate harmonic peaks at two ends of the inductor L1 and improve circuit stability. The output end of the first pi-type filter 13 is connected with one end of a primary coil of a transformer T1, the other end of the primary coil is connected to a switch pin of a power management chip U1, a secondary side of the transformer T1 is rectified by a diode D4, and filtered by an electrolytic capacitor EC3, an inductor L2 and an electrolytic capacitor EC4 to form a second pi-type filter 14 to output voltage.

One end of an inductor L2 is connected in series with a resistor R8, a resistor R12, a resistor R13, a capacitor C4 and a resistor R9 in sequence and then connected to the other end of the inductor L2, a K pole of a precision adjustable reference power supply IC1 (also called a controllable precision voltage-stabilizing source) is connected with a connection point between the resistor R12 and a resistor R13, an A pole is grounded, a G pole is connected with a connection point between the capacitor C4 and the resistor R9, and the G pole is grounded through a sampling resistor R10. The control end of the optocoupler U2 is connected in parallel with the resistor R12, and the controlled end of the optocoupler U2 is connected with the FB feedback pin and the BP pin of the power management chip U1 respectively. Among the above, R8-R10, R12, R13, C4, U2, and IC1 constitute a feedback circuit, the precision adjustable reference power IC1 is used as a reference voltage, when the output voltage exceeds a set value, the voltage at two ends of the sampling resistor R10 will exceed the reference voltage, at this time, two poles A, K of the precision adjustable reference power IC1 will be turned on from off, so that the resistor R12 gets charged, the voltage generated at two ends of the R12, that is, the voltage generated at the control end of the optocoupler U2, the controlled end of the optocoupler U2 will be turned on from off, so that the FB feedback pin is turned on, when the FB feedback pin is turned on, the power management chip U1 will control the built-in MOS to be turned on to charge the primary side of the transformer T1, at this time, the output of the secondary side of the transformer T1 has no compensation due to the effect of the rectifier tube, the output of the power circuit 1 only depends on the secondary side inductor and the stored energy in EC3, EC4, voltage at two ends of a sampling resistor R10 is lower than a reference voltage value, two poles of A, K of a precision adjustable reference power supply IC1 are disconnected, output of an optical coupler U2 is disconnected, no signal is input to an FB pin, a power management chip U1 controls a built-in MOS to be cut off, primary side of a transformer T1 is disconnected and charged, reverse voltage is generated at the same time, a secondary side generates induction low voltage, the induction low voltage is output after rectification and filtering, EC3 and EC4 are charged, the output voltage can be gradually increased, when the output voltage is increased by a certain value, the U1 receives a feedback signal … … again, and the pulse width modulation control is repeatedly carried out, so that relatively stable voltage is formed and output. In the above, the resistor R13 and the capacitor C4 work together to reduce the IC1 sensitivity and improve the circuit stability.

The power supply circuit 1 further comprises a resistor R5, a resistor R6, a resistor R7, a capacitor C1 and a diode D3, wherein one end of a branch formed by connecting the resistor R5, the resistor R6 and the capacitor C1 in parallel is connected with one end of the primary side of the transformer T1, the other end of the branch is connected with the cathode of the diode D3 through a resistor R7, and the anode of the diode D3 is connected with the other end of the primary side of the transformer T1. In the above, the resistor R5, the resistor R6, the resistor R7, the capacitor C1, and the diode D3 constitute an RDC absorption circuit to protect mos built in the power management chip U1, and specifically, the RDC absorption circuit absorbs reverse high voltage generated at the moment of mos disconnection, so as to avoid breakdown of mos when the voltage exceeds the maximum limit of VDS. The power circuit 1 further comprises a resistor R20 and a capacitor C6, the resistor R20 and the capacitor C6 are connected in series and then connected in parallel with the diode D4, and the resistor R20 and the capacitor C6 are used for removing spike voltage at two ends of the diode D4, so that the protection effect is achieved.

The voltage output by the power circuit 1 is supplied to the temperature acquisition circuit 2, the infrared receiving circuit 3, the display circuit 4, the key control circuit 5, the buzzer circuit 6, the microprocessor 7, the relay drive circuit 8, the signal conversion circuit 9 and the bluetooth module 10 shown in fig. 1 to drive the operation thereof.

In the above, the temperature acquisition circuit 2, the infrared receiving circuit 3, the display circuit 4, the key control circuit 5, and the buzzer circuit 6 are electrically connected to the microprocessor 7, respectively. Because the temperature acquisition circuit 2, the infrared receiving circuit 3, the display circuit 4, the key control circuit 5, the buzzer circuit 6, the microprocessor 7 and the intelligent sound box 11 are conventional technologies, the circuit structure of the intelligent sound box is not specifically developed.

See fig. 3, relay drive circuit 8 comprises triode Q1 and relay RY1, thereby triode Q1's base is controlled through protective resistor R16 connection to microprocessor 7, its projecting pole ground connection, be connected to power supply circuit 1's output behind the coil of relay RY1 is established ties to the collecting electrode, relay RY 1's normally open contact is established ties on the power supply line of skirting line room heater, so, microprocessor 7 switches on through control triode Q1, make the coil turn on electrically closed normally open contact, can make the skirting line room heater turn on electricity and heat.

Referring to fig. 4, the bluetooth module 10 employs a commercially available EH-MC16 module, which converts the output voltage of the power circuit 1 into 3.3V for power supply through the LD1117AG chip. Since the working voltage of the microprocessor 7 is 5V and the working voltage of the bluetooth module 10 is 3.3V, the two can communicate with each other only after signal conversion by the signal conversion circuit 9. The signal conversion circuit 9 is composed of a resistor R31, a resistor R41, a resistor R51, a resistor R61, a resistor R71, a resistor R81, a triode Q11 and a triode Q21, wherein the base electrode of the triode Q11 is connected to 3.3V through a resistor R71, the collector electrode of the triode Q11 is connected with the RX pin of the bluetooth module 10 and is connected to 3.3V through a resistor R31, and the emitter electrode of the triode Q81 is connected to the RXD pin of the microprocessor 7 through a resistor R81; the transistor Q21 has a base connected to 3.3V through a resistor R61, an emitter connected to the TX pin of the bluetooth module 10, a collector connected to the TXD pin of the microprocessor 7 through a resistor R51, and a collector pulled up to 5V through a resistor R41.

In use, when the RXD pin of the microprocessor 7 transmits a 5V high level, the Vbe voltage of Q21 is a reverse voltage to be cut off, and the RX pin of the bluetooth module 10 obtains a 3.3V high level through the pull-up resistor R31; when the RXD pin of the microprocessor 7 sends a low level, the Vbe voltage of the Q21 is a forward voltage to make it turn on, and the RX pin of the Bluetooth module 10 is directly connected with the RXD pin through the Q21 and the R81, so that a low level signal is received.

Similarly, when the TX pin of the bluetooth module 10 sends out a high level of 3.3V, the Vbe voltage of Q11 is a reverse voltage to turn off it, and the TXD pin of the microprocessor 7 is connected to 5V through R51 and R41, thereby receiving a high level of 5V; when the TX pin of the bluetooth module 10 sends out low, the Vbe voltage of Q11 is forward voltage to turn on, and the TXD pin of the microprocessor 7 is directly connected to the TX pin of the bluetooth module 10 through R51 and Q11, thereby obtaining low.

Finally, the signal transmission conversion between the bluetooth module 10 and the microprocessor 7 is realized, so that the microprocessor 7 can communicate with the bluetooth module 10 through the signal conversion circuit 9.

The working process of the skirting line heater remote control system of the embodiment is as follows:

the user communicates with an intelligent sound box 11 at home through an intelligent terminal (such as a mobile phone, a tablet and the like) based on WIFI, instruction interaction is completed, a Bluetooth circuit module in the intelligent sound box 11 transmits a received instruction to a Bluetooth module 10 of a skirting line warmer through 2.4G Bluetooth, the Bluetooth module 10 decodes the received signal, the decoded signal is converted into a pulse signal which can be identified by a microprocessor 7 through a signal conversion circuit 9, the microprocessor 7 performs corresponding actions after receiving the pulse signal, and functions such as startup and shutdown control, temperature rise and fall through program control, temperature broadcast and the like are controlled through a relay driving circuit 8, so that remote man-machine interaction is realized;

certainly, the user can also send an instruction to the infrared receiving circuit 3 through the infrared remote controller, and the infrared receiving circuit 3 transmits the instruction to the microprocessor 7 to perform corresponding action; the user can also send an instruction to the microprocessor 7 through the key control circuit 5, thereby completing the ground proximity operation;

in the operation process of the microprocessor 7, the temperature acquisition circuit 2 acquires the ambient temperature data in real time and displays the ambient temperature data locally through the display circuit 4, and meanwhile, the ambient temperature data is reported to the intelligent sound box 11 through the Bluetooth module 10, and the intelligent sound box 11 performs voice broadcast and reports the ambient temperature data to the APP terminal for display;

and the microprocessor 7 drives the buzzer circuit 6 to buzz and warn when the environmental temperature data exceeds a preset threshold value.

The utility model discloses a skirting line room heater remote control system has following advantage:

1. by adopting the Bluetooth technology, the remote interaction with the intelligent sound box 11 is carried out by matching the microprocessor 7 and the signal conversion circuit 9 thereof, so that the functions of remote operation, voice operation and the like of the skirting line heater are realized.

2. The energy-saving purpose is realized by utilizing the characteristics of low Bluetooth operation and standby power consumption.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the protection scope of the present application, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. The utility model provides a skirting line room heater remote control system based on bluetooth, includes microprocessor, its characterized in that:

still include relay drive circuit, signal conversion circuit, bluetooth module and intelligent audio amplifier, signal conversion circuit is used for the signal conversion between microprocessor and the bluetooth module, microprocessor comes with the bluetooth module communication through signal conversion circuit, and bluetooth module carries out the bluetooth communication with intelligent audio amplifier, relay drive circuit's controlled end is established ties in the power supply line of skirting line room heater, and its control end meets with microprocessor.

2. The skirting line warmer remote control system based on bluetooth technology of claim 1, characterized in that: the power supply of the Bluetooth module is different from the power supply of the microprocessor.

3. The skirting line warmer remote control system based on bluetooth technology as claimed in claim 2, characterized in that: the signal conversion circuit is provided with a resistor R31, a resistor R41, a resistor R51, a resistor R61, a resistor R71, a resistor R81, a triode Q11 and a triode Q21, wherein the base electrode of the triode Q11 is connected to a power supply of the Bluetooth module through a resistor R71, the collector electrode of the triode Q11 is connected with an RX pin of the Bluetooth module 10 and is connected with the power supply of the Bluetooth module through a resistor R31, and the emitter electrode of the triode Q81 is connected to an RXD pin of the microprocessor; the base electrode of the triode Q21 is connected to the power supply of the Bluetooth module through a resistor R61, the emitter electrode of the triode Q21 is connected with the TX pin of the Bluetooth module, the collector electrode of the triode Q89is connected with the TXD pin of the microprocessor through a resistor R51, and the collector electrode of the triode Q21 is connected to the power supply of the microprocessor through a resistor R41.

4. The skirting line warmer remote control system based on bluetooth technology as claimed in claim 2, characterized in that: the relay driving circuit is provided with a triode Q1 and a relay RY1, the base of the triode Q1 is connected to the microprocessor, the emitting electrode of the triode Q1 is grounded, the collector of the triode Q is connected with the coil of the relay RY1 in series and then is connected to the power supply of the microprocessor, and the normally open contact of the relay RY1 is connected to the power supply line of the skirting line warmer in series.

5. The skirting line warmer remote control system based on bluetooth technology as claimed in claim 2, characterized in that: the power supply of the microprocessor is provided by the power supply circuit, the power supply circuit is provided with a transformer, a second filter and a power management chip, one end of the primary side of the transformer obtains electricity from direct current, the other end of the primary side of the transformer is connected with a switch pin of the power management chip, and the secondary side of the transformer is connected with the second filter so as to output the power supply of the microprocessor.

6. The skirting line warmer remote control system based on bluetooth technology of claim 5, characterized in that: the second filter is specifically provided with an electrolytic capacitor EC3, an inductor L2 and an electrolytic capacitor EC4 to form a pi-type filter.

7. The skirting line warmer remote control system based on bluetooth technology of claim 6, characterized in that: the power supply circuit is provided with a feedback circuit, the feedback circuit comprises a resistor R8, a resistor R12, a resistor R13, a capacitor C4, a resistor R9, a precision adjustable reference power supply IC1, a sampling resistor R10 and an optical coupler U2, one end of the inductor L2 is sequentially connected with a resistor R8, a resistor R12, a resistor R13, a capacitor C4 and a resistor R9 in series and then connected to the other end of the inductor L2, a K pole of the precision adjustable reference power supply IC1 is connected with a connection point between the resistor R12 and the resistor R13, an A pole is grounded, a G pole is connected with a connection point between the capacitor C4 and the resistor R9 and is grounded through the sampling resistor R10, a control end of the optical coupler U2 is connected with the resistor R12 in parallel, and a controlled end of the feedback circuit is respectively connected with an FB feedback pin.

8. The skirting line warmer remote control system based on bluetooth technology of claim 7, characterized in that: the power supply circuit is provided with a resistor R5, a resistor R6, a resistor R7, a capacitor C1 and a diode D3, wherein one end of a branch formed by mutually connecting the resistor R5, the resistor R6 and the capacitor C1 in parallel is connected with one end of the primary side of the transformer, the other end of the branch is connected with the cathode of the diode D3 through the resistor R7, and the anode of the diode D3 is connected with the other end of the primary side of the transformer.

9. The skirting line warmer remote control system based on bluetooth technology of claim 1, characterized in that: the temperature acquisition circuit is electrically connected with the microprocessor.

10. The skirting line warmer remote control system based on bluetooth technology of claim 9, characterized in that: the buzzer circuit is electrically connected with the microprocessor.