CN208367903U - A kind of vehicle remote control device - Google Patents

Abstract

The utility model relates to remote controler technical field, a kind of particularly vehicle remote control device.The utility model discloses a kind of vehicle remote control devices, including battery module, key module, control and coding module, boost module and transmitting module module, the battery module is made of single battery, the battery module is that control is powered with coding module, the battery module is transmitting module power supply by boost module, the control signal of the boost module connects the PWM output end of control and coding module, the input terminal of output the termination control and coding module of the key module, the control connects the input terminal of transmitting module with the remote control coding signal output end of coding module, the emitted module of remote control coding signal is launched.The case where the utility model only needs a battery, and circuit structure is simple, at low cost, and stability is good, and good in anti-interference performance, transmission power is strong, and remote control distance is remote, is not in remote control failure, and it is applied widely.

Description

A kind of vehicle remote control device

Technical field

The utility model belongs to remote controler technical field, more particularly to a kind of vehicle remote control device.

Background technique

Present nearly all automobile, motorcycle, electric vehicle are equipped with remote controler to carry out long-range lock and unlock, remote controler Simplicity is not required nothing more than, beautiful, small in size, structure is exquisite, also requires remote control distance remote, reliable and stable.It is filled in the market preceding, automobile Remote controler is mostly using 3V lithium battery as power supply of remote controller, and the transmitting module of remote controler is taken place frequently using the height of high-frequency triode composition Transmit-receive radio road, this circuit is simple, and cost is relatively low.But high-frequency triode is at low voltage (3V or 3V or less), it may appear that work Unstable, the disadvantages of frequency deviation, transmission power is low, and remote control distance is close, and interference free performance is poor, therefore, existing automobile remote controllers make It is connected with the button cell of 3 3V and voltage is risen into 9V, to solve the above problems, but used 3 batteries, will increase remote controler Space, and cost increases.

Summary of the invention

It is above-mentioned to solve the problems, such as that the purpose of this utility model is to provide a kind of vehicle remote control devices.

To achieve the above object, the technical solution adopted in the utility model are as follows: a kind of vehicle remote control device, including battery mould Block, key module, control and coding module, boost module and transmitting module, the battery module is made of single battery, described Battery module is that control is powered with coding module, and the battery module is transmitting module power supply, the boosting by boost module The control signal of module connects the PWM output end of control and coding module, the output termination control of the key module and coding The input terminal of module, the control connect the input terminal of transmitting module with the remote control coding signal output end of coding module, and remote control is compiled The emitted module of code signal is launched.

Further, the battery module is made of the lithium battery BAT1 of single 3V.

Further, the control is realized with coding module using the single-chip microcontroller U1 of model PIC12F1501, single The power end VDD of piece machine U1 meets the positive VDD of lithium battery BAT1.

Further, the key module is made of touch key switch SW1 and SW2, the touch key switch SW1 One end connects the RA5 foot of single-chip microcontroller U1, other end ground connection, and described one end touch key switch SW2 connects the RA4 foot of single-chip microcontroller U1, separately One end ground connection.

Further, the boost module includes NPN triode Q1, resistance R1, resistance R2, energy storage inductor L1, rectification two Pole pipe D1 and charging filter capacitor C1, the base series resistor R1 of the NPN triode Q1 connect the PWM output end of single-chip microcontroller U1 RA0, the base series resistor R2 ground connection of the NPN triode Q1, the emitter ground connection of the NPN triode Q1, the NPN tri- The collector series connection accumulation inductance L1 of pole pipe Q1 meets the positive VDD of lithium battery BAT1, and the collector of the NPN triode Q1 is successively Series rectifier diode D1 and charging filter capacitor C1 ground connection, the node between rectifier diode D1 and charging filter capacitor C1 connect The power input of transmitting module.

Further, the model 2SC1623 of the NPN triode Q1.

Further, the transmitting module is the high frequency transmission circuit of high-frequency triode composition.

Further, the transmitting module includes high frequency NPN triode Q2, resistance R4, resistance R6, capacitor C6, capacitor The first end series inductance L2 of C9 and transmitting antenna L3, the transmitting antenna L3 meet rectifier diode D1 and charging filter capacitor C1 Between node, the second end of the transmitting antenna L3 be sequentially connected in series capacitor C6 and C9 ground connection, the high frequency NPN triode Q2's Collector connects the second end of transmitting antenna L3, the emitter series resistance R6 ground connection of the high frequency NPN triode Q2, the high frequency Node connection between the emitter and capacitor C6 and C9 of NPN triode Q2, the base series of the high frequency NPN triode Q2 Resistance R4 meets remote control coding the signal output end RA2, the base series crystal oscillator SAW of the high frequency NPN triode Q2 of single-chip microcontroller U1 Ground connection.

Further, the transmitting antenna L3 is pcb board antenna.

Further, the model 2SC3356 of the high frequency NPN triode Q2.

The advantageous effects of the utility model:

The utility model saves space without multiple batteries of connecting, and circuit structure is simple, at low cost, and circuit work is steady It sets, good in anti-interference performance, transmission power is strong, and remote control distance is remote, is not in the case where remote control is failed；It is applied widely, it can Suitable for a variety of models.

Detailed description of the invention

Fig. 1 is the circuit diagram of the utility model specific embodiment.

Specific embodiment

Now in conjunction with the drawings and specific embodiments, the present invention will be further described.

As shown in Figure 1, a kind of vehicle remote control device, including battery module 1, key module 4, control and coding module 5, boosting Module 2 and transmitting module 3, the battery module 1 are made of single battery, and the battery module 1 is that control is supplied with coding module 5 Electricity, the battery module 1 are the power supply of transmitting module 3 by boost module 2, and the control signal of the boost module 2 connects control With the PWM output end of coding module 5, the input terminal of output the termination control and coding module 5 of the key module 4, the control The remote control coding signal output end of system and coding module 5 connects the input terminal of transmitting module 3, the emitted module hair of remote control coding signal It is shot out.

In this specific embodiment, the battery module 1 is made of the lithium battery BAT1 of single 3V, the control and coding mould Block 5 realized using the single-chip microcontroller U1 of model PIC12F1501, but not limited to this, in other embodiments, control and coding Module 5 can also realize that this is that those skilled in the art can realize easily using other single-chip microcontrollers, no longer describe in detail.

The power end VDD of single-chip microcontroller U1 meets the positive VDD of lithium battery BAT1, meanwhile, the power end VDD of single-chip microcontroller U1 is successively Series capacitance C5 and C4 ground connection, the cathode ground connection of lithium battery BAT1.

In this specific embodiment, the key module 4 is made of touch key switch SW1 and SW2, and the touch key is opened The RA5 foot that the one end SW1 meets single-chip microcontroller U1 is closed, other end ground connection, described one end touch key switch SW2 meets the RA4 of single-chip microcontroller U1 Foot, other end ground connection.Touch key switch SW1 and SW2 respectively correspond lock and unlock, but not limited to this.

In this specific embodiment, the boost module 2 include NPN triode Q1, resistance R1, resistance R2, energy storage inductor L1, Rectifier diode D1 and charging filter capacitor C1, the transmitting module 3 are the high frequency transmission circuit of high-frequency triode composition, specifically Including high frequency NPN triode Q2, resistance R4, resistance R6, capacitor C6, capacitor C9 and transmitting antenna L3.

The model 2SC1623 of the NPN triode Q1, but not limited to this, the base series electricity of the NPN triode Q1 Resistance R1 connects the PWM output end RA0 of single-chip microcontroller U1, the base series resistor R2 ground connection of the NPN triode Q1, tri- pole NPN The emitter of pipe Q1 is grounded, and the collector series connection accumulation inductance L1 of the NPN triode Q1 meets the positive VDD of lithium battery BAT1, The collector of the NPN triode Q1 is sequentially connected in series rectifier diode D1 and charging filter capacitor C1 ground connection.

Node series inductance L2 between rectifier diode D1 and charging filter capacitor C1 connects the first end of transmitting antenna L3, The first end of transmitting antenna L3 is sequentially connected in series capacitor by capacitor C2 and C3 ground connection in parallel, the second end of the transmitting antenna L3 C6 and C9 ground connection, the collector of the high frequency NPN triode Q2 connect the second end of transmitting antenna L3, the high frequency NPN triode The emitter series resistance R6 of Q2 is grounded, the section between the emitter and capacitor C6 and C9 of the high frequency NPN triode Q2 Point connection, the base series resistor R4 of the high frequency NPN triode Q2 meet the remote control coding signal output end RA2 of single-chip microcontroller U1, The base series crystal oscillator SAW of the high frequency NPN triode Q2 is grounded.In this specific embodiment, the frequency of crystal oscillator SAW is 433.92MHZ is allowed to and high frequency NPN triode Q2 and transmitting antenna L3 composition by adjusting the capacitance of capacitor C6 and C9 LC resonance frequency is in 433.92MHZ.

In this specific embodiment, the transmitting antenna L3 is pcb board antenna, i.e., is produced on by copper-clad plate etch process The model of antenna on pcb board, the high frequency NPN triode Q2 is 2SC3356, but not limited to this.

The course of work:

When pressing touch key switch SW1 or SW2, the PWM output end RA0 of single-chip microcontroller U1 issues the PWM arteries and veins of certain frequency Signal is rushed to the base stage of NPN triode Q1, booster circuit 2 works, and NPN triode Q1 and energy storage inductor L1 generate high voltage The oscillating impulse of oscillating impulse, high voltage charges by rectifier diode D1 to charging filter capacitor C1, in charging filtered electrical Hold and generate higher voltage on C1, powers to transmitting module 3, pass through the inductance value and pwm pulse of Matching and modification energy storage inductor L1 Signal frequency, thus it is possible to vary the output voltage of boost module 2, in the present embodiment, adjustment output voltage is 9V, certainly in other realities It applies in example, is also possible to 12V etc., the 2 pre-loading time of boost module is 30 milliseconds, the capacitance of adjustment charging filter capacitor C1, It can change pressure rising time.

Single-chip microcontroller U1 carries out correspondence to the touch key switch SW1 or SW2 that press and is encoded into remote control coding signal, works as boosting The output voltage of module 2 is increased to required voltage value (9V), and the remote control coding signal output end RA2 of single-chip microcontroller U1 exports remote control Encoded signal is added in the base stage of high frequency NPN triode Q2 by resistance R4, after high frequency NPN triode Q2 base stage, is generated Amplitude modulation mixed frequency signal, and amplify the amplitude modulation high frequency that 433.92MHZ is launched outward by pcb board antenna L3 through high frequency NPN triode Q2 Electromagnetic wave.

Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details On the utility model can be made a variety of changes, be the protection scope of the utility model.

Claims (10)

1. a kind of vehicle remote control device, it is characterised in that: including battery module, key module, control and coding module, boost module And transmitting module, the battery module are made of single battery, the battery module is that control is powered with coding module, the electricity Pond module is that transmitting module is powered by boost module, and the control signal of the boost module connects control and coding module PWM output end, the input terminal of output the termination control and coding module of the key module, the control are distant with coding module Control-register code signal output end connects the input terminal of transmitting module, and the emitted module of remote control coding signal is launched.

2. vehicle remote control device according to claim 1, it is characterised in that: the battery module by single 3V lithium battery BAT1 is constituted.

3. vehicle remote control device according to claim 2, it is characterised in that: the control uses model with coding module The single-chip microcontroller U1 of PIC12F1501 realizes that the power end VDD of single-chip microcontroller U1 meets the positive VDD of lithium battery BAT1.

4. vehicle remote control device according to claim 3, it is characterised in that: the key module is by touch key switch SW1 It is formed with SW2, described one end touch key switch SW1 connects the RA5 foot of single-chip microcontroller U1, other end ground connection, and the touch key is opened Close the RA4 foot that the one end SW2 meets single-chip microcontroller U1, other end ground connection.

5. vehicle remote control device according to claim 3, it is characterised in that: the boost module includes NPN triode Q1, electricity Hinder R1, resistance R2, energy storage inductor L1, rectifier diode D1 and charging filter capacitor C1, the base series of the NPN triode Q1 Resistance R1 meets the PWM output end RA0 of single-chip microcontroller U1, the base series resistor R2 ground connection of the NPN triode Q1, the NPN tri- The emitter of pole pipe Q1 is grounded, and the collector series connection accumulation inductance L1 of the NPN triode Q1 connects the anode of lithium battery BAT1 VDD, the collector of the NPN triode Q1 are sequentially connected in series rectifier diode D1 and charging filter capacitor C1 ground connection, rectify two poles Node between pipe D1 and charging filter capacitor C1 connects the power input of transmitting module.

6. vehicle remote control device according to claim 5, it is characterised in that: the model of the NPN triode Q1 2SC1623。

7. vehicle remote control device according to claim 5, it is characterised in that: the transmitting module is high-frequency triode composition High frequency transmission circuit.

8. vehicle remote control device according to claim 7, it is characterised in that: the transmitting module includes high frequency NPN triode Q2, resistance R4, resistance R6, capacitor C6, capacitor C9 and transmitting antenna L3, the transmitting antenna L3 first end series inductance L2 connect Rectifier diode D1 and charging filter capacitor C1 between node, the second end of the transmitting antenna L3 be sequentially connected in series capacitor C6 and C9 ground connection, the collector of the high frequency NPN triode Q2 connect the second end of transmitting antenna L3, the high frequency NPN triode Q2's Emitter series resistance R6 ground connection, the node connection between the emitter and capacitor C6 and C9 of the high frequency NPN triode Q2, institute The base series resistor R4 for stating high frequency NPN triode Q2 connects the remote control coding signal output end RA2 of single-chip microcontroller U1, the high frequency The base series crystal oscillator SAW of NPN triode Q2 is grounded.

9. vehicle remote control device according to claim 8, it is characterised in that: the transmitting antenna L3 is pcb board antenna.

10. vehicle remote control device according to claim 8, it is characterised in that: the model of the high frequency NPN triode Q2 2SC3356。