CN209634402U - A kind of signal generating circuit, wiring board, electric machine controller and electric car - Google Patents
A kind of signal generating circuit, wiring board, electric machine controller and electric car Download PDFInfo
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- CN209634402U CN209634402U CN201822081144.0U CN201822081144U CN209634402U CN 209634402 U CN209634402 U CN 209634402U CN 201822081144 U CN201822081144 U CN 201822081144U CN 209634402 U CN209634402 U CN 209634402U
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Abstract
The utility model discloses a kind of signal generating circuit, wiring board, electric machine controller and electric car, which includes first switch module, second switch module, drive module, signal input port and signal output port；First switch module and second switch module mutually concatenate and are connected to supply port and with reference between ground, and the junction of first switch module and second switch module is provided with signal output port；The input terminal of drive module is connected to signal input port, drive module setting has the first triggering port and the second triggering port, first triggering port is connected to the control terminal of first switch module, second triggering port is connected to the control terminal of second switch module, and the first triggering port and second trigger the opposite trigger signal of port output phase.The utility model can generate the pumping signal of supply rotary transformer, provide pumping signal so as to substitute special decoding chip as rotary transformer.
Description
Technical field
The utility model relates to technical field of vehicle, especially a kind of signal generating circuit, wiring board, electric machine controller and
Electric car.
Background technique
Rotary transformer is a kind of electromagnetic sensor, is mainly made of an excitation coil and two feedback coils, energy
Enough rotating shaft angular travels and angular speed to measure rotating object.Rotary transformer is suitable for all fields tested the speed using encoder
The occasion that the conventional coders such as conjunction, especially high temperature, severe cold, humidity, high speed, high vibration can not work normally is extensive at present
Applied to occasions such as new-energy automobile driving motors.
Rotary transformer, which needs to receive pumping signal, to be worked normally, existing market with it is more be using special
Decoding chip provides pumping signal for rotary transformer, and still, for existing market, this special decoding chip is required
Import, and at high cost, purchase hardly possible, when supply occurs abnormal, it will the extension for leading to production, to influence the normal of product
Production.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of signal generating circuit, wiring board, motor controls
Device and electric car processed can substitute special decoding chip as rotary transformer and provide pumping signal.
The technical solution adopted by the utility model to solve the problem is as follows:
In a first aspect, the utility model provides a kind of signal generating circuit, including for cooperating to generate waveform
First switch module and second switch module, the on-off for triggering the first switch module and second switch module of signal
Drive module, signal input port and signal output port；The first switch module mutually concatenates simultaneously with second switch module
It is connected to supply port and with reference between ground, the junction of the first switch module and second switch module is provided with described
Signal output port；The input terminal of the drive module is connected to the signal input port, and the drive module setting has
One triggering port and the second triggering port, first triggering port is connected to the control terminal of the first switch module, described
Second triggering port is connected to the control terminal of the second switch module, the first triggering port and the second triggering port output
The trigger signal of opposite in phase.
Further, the drive module includes first switch drive module and second switch drive module, and described first opens
It closes drive module and second switch drive module mutually concatenates and be connected to supply port and with reference between ground, the first switch is driven
The control terminal of dynamic model block and the control terminal of second switch drive module are connected to the signal input port, and described first
Switch drive module is provided with the first triggering port, and the second switch drive module setting has second triggering
Port.
Further, the first switch drive module includes third switch module and the first divider resistance, and the third is opened
It closes module and the first divider resistance is mutually concatenated and is connected between supply port and the second switch drive module, the third
The junction of switch module and the first divider resistance is provided with the first triggering port, the control of the third switch module
End is the control terminal of the first switch drive module.
Further, the second switch drive module includes the 4th switch module and the second divider resistance, and the described 4th opens
It closes module and the second divider resistance mutually concatenates and be connected to the first switch drive module and with reference between ground, the described 4th is opened
The junction for closing module and the second divider resistance is provided with the second triggering port, the control terminal of the 4th switch module
The control terminal of the as described second switch drive module.
It further, further include inversed module, the inversed module is set to the signal input port and the driving mould
Between the input terminal of block.
Second aspect, the utility model also proposed a kind of wiring board, be laid with signal generating circuit as described above.
The third aspect, the utility model also proposed a kind of electric machine controller, include wiring board, and the wiring board is laid
There are control chip and signal generating circuit as described above, the first triggering port and the second triggering port are connected to institute
State control chip.
Fourth aspect, the utility model also proposed a kind of electric car, include a kind of motor control as described above
Device.
The one or more technical solutions provided in the utility model embodiment, at least have the following beneficial effects: and pass through
First switch module is mutually concatenated with second switch module, so that the junction of first switch module and second switch module is arranged
There are signal output port, and two touchings opposite using the first triggering port of drive module and the second triggering port output phase
It signals, first switch module and second switch module can be non-synchronously connected in the two trigger signals, due to first switch
Module and second switch module are connected between supply port and reference ground, therefore, when first switch module is switched on, second
Switch module is in the state disconnected, then supply port can export high electricity to signal output port by first switch module
Ordinary mail number, and when second switch module is switched on, first switch module is in the state disconnected, signal output port at this time
It can be connected to reference to ground and export low level signal.So drive module can drive first switch module and second switch mould
Block is worked alternatively and is generated the pumping signal of supply rotary transformer, so as to substitute special decoding chip as rotation
Transformer provides pumping signal.
Detailed description of the invention
The utility model is described in further detail with example with reference to the accompanying drawing.
Fig. 1 is the circuit diagram of signal generating circuit in the prior art；
Fig. 2 is the circuit diagram of signal generating circuit provided by the utility model one embodiment.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.It should be noted that if do not conflicted, in the utility model embodiment
Each feature can be combined with each other, and both be within the protection scope of the present invention.
The case where recognized according to utility model people, rotary transformer, which needs to receive pumping signal, to be worked normally,
And existing market with it is more be that special decoding chip is used to provide pumping signal for rotary transformer, as shown in Figure 1, specially
The first pumping signal output pin EXC and the second pumping signal output pin/EXC of the decoding chip of door generate two for driving
The pumping signal of dynamic rotary transformer, the two pumping signals are input to the excitation coil of rotary transformer after buffer circuit
Among.The two pumping signals are all the same for frequency and amplitude, and the complementary sine wave signal of phase phase difference 180 degree, so,
Currently used scheme is all that the two pumping signals are generated using special decoding chip.But for existing market,
This special decoding chip requires import, and at high cost, purchase hardly possible is easy to cause production when supply occurs abnormal
Extension, to influence the normal production of product.
Based on this, the utility model provides a kind of signal generating circuit, wiring board, electric machine controller and electric car,
By the way that first switch module 100 is mutually concatenated with second switch module 200, so that first switch module 100 and second switch mould
The junction of block 200 is provided with signal output port, and utilizes the first triggering port and second by being set to drive module 300
First switch module 100 and second switch mould is non-synchronously connected in two trigger signals of the opposite in phase that triggering port is exported
Block 200 enables signal output port to export the pumping signal for supplying rotary transformer, special so as to substitute
Decoding chip provides pumping signal for rotary transformer.
With reference to the accompanying drawing, the utility model embodiment is further elaborated.
Referring to Fig. 2, one embodiment of the utility model provides a kind of signal generating circuit, including for cooperating
With generate waveform signal first switch module 100 and second switch module 200, for triggering first switch module 100 and
Drive module 300, signal input port and the signal output port of the on-off of two switch modules 200；100 He of first switch module
200 phase of second switch module is concatenated and is connected between supply port and reference ground, first switch module 100 and second switch mould
The junction of block 200 is provided with signal output port；The input terminal of drive module 300 is connected to signal input port, drives mould
Block 300 is provided with the first triggering port and the second triggering port, and the first triggering port is connected to the control of first switch module 100
End, the second triggering port are connected to the control terminal of second switch module 200, the first triggering port and the second triggering port output phase
The opposite trigger signal in position.
In the present embodiment, by the way that first switch module 100 is mutually concatenated with second switch module 200, so that first opens
The junction for closing module 100 and second switch module 200 is provided with signal output port, and utilizes the first of drive module 300
Two trigger signals of port and the second triggering port output phase on the contrary are triggered, the two trigger signals can non-synchronously be led
Logical first switch module 100 and second switch module 200, since first switch module 100 and second switch module 200 are connected to
Between supply port and reference ground, therefore, when first switch module 100 is switched on, second switch module 200 is in disconnection
State, then supply port can export high level signal to signal output port by first switch module 100, and when second
When switch module 200 is switched on, first switch module 100 is in the state disconnected, and signal output port at this time can be connected to
Low level signal is exported with reference to ground.So drive module 300 can drive first switch module 100 and second switch module
200 are worked alternatively and are generated the pumping signal of supply rotary transformer, so as to substitute special decoding chip as rotation
Change depressor and pumping signal is provided.
In the present embodiment, first switch module 100 and second switch module 200 can have different embodiments.
For example, first switch module 100 can be P-channel metal-oxide-semiconductor, and second switch module 200 then can be N-channel MOS pipe, at this
In the case of kind, the source electrode of first switch module 100 is connected with the drain electrode of second switch module 200 and the signal described in being formed is defeated
Exit port, the grid of first switch module 100 are the control terminal that it is connected with the first triggering port of drive module 300,
The grid of second switch module 200 is the control terminal that it is connected with the second triggering port of drive module 300, and first opens
The drain electrode for closing module 100 is then connected to supply port, and the source electrode of second switch module 200 is then connected to reference to ground.For another example, first
Switch module 100 can be PNP type triode, and second switch module 200 then can be NPN type triode, in such case
Under, the emitter of first switch module 100 is connected to which the formation signal is defeated with the collector of second switch module 200
Exit port, the base stage of first switch module 100 are the control terminal that it is connected with the first triggering port of drive module 300,
The base stage of second switch module 200 is the control terminal that it is connected with the second triggering port of drive module 300, and first opens
The collector for closing module 100 is then connected to supply port, and the emitter of second switch module 200 is then connected to reference to ground.
In addition, in the present embodiment, drive module 300 can also be there are many different embodiments.For example, drive module
300 may include a NPN type triode and a PNP type triode, and the emitter of the NPN type triode and the PNP
Resistance is connected between the collector of type triode, in this case, the emitter of the NPN type triode is described the
One triggering port, the second as described triggering port of the collector of the PNP type triode, and the base of the NPN type triode
The base stage of pole and the PNP type triode is connected to the signal input port, and the collector of the NPN type triode then connects
It is connected to supply port, the emitter of the PNP type triode is then connected to reference to ground.For another example, drive module 300 may include one
N-channel MOS pipe and a P-channel metal-oxide-semiconductor, and connected between the source electrode of the N-channel MOS pipe and the drain electrode of the P-channel metal-oxide-semiconductor
There is resistance, in this case, the source electrode of the N-channel MOS pipe is the first triggering port, the leakage of the P-channel metal-oxide-semiconductor
Pole is the second triggering port, and the grid of the grid of the N-channel MOS pipe and the P-channel metal-oxide-semiconductor is connected to
The signal input port, and the drain electrode of the N-channel MOS pipe is then connected to supply port, the source electrode of the P-channel metal-oxide-semiconductor then connects
It is connected to reference to ground.For another example, drive module 300 can also be made of two transmission channels with common input end, one of them
Transmission channel is provided with phase inverter, that is, signal input port can be directly connected to the control terminal of first switch module 100, together
When, signal input port is directly connected in the control terminal of second switch module 200 by phase inverter.
Further, based on the above embodiment, another embodiment of the utility model additionally provides a kind of signal generation electricity
Road, wherein drive module 300 includes first switch drive module 320 and second switch drive module 340, first switch driving
Module 320 and 340 phase of second switch drive module concatenate and are connected to supply port and with reference between ground, and first switch drives mould
The control terminal of block 320 and the control terminal of second switch drive module 340 are connected to signal input port, first switch driving
Module 320 is provided with the first triggering port, and second switch drive module 340 is provided with the second triggering port.
In the present embodiment, first switch drive module 320 and second switch drive module 340 can have different realities
Apply mode.For example, first switch drive module 320 can be made of NPN type triode and resistance, wherein the NPN type triode
Emitter connect with the resistance；And second switch drive module 340 can be then made of PNP type triode and resistance, wherein
The collector of the PNP type triode is connect with the resistance；In this case, two resistance are connected with each other so that the NPN
Type triode, two resistance and the PNP type triode are sequentially connected in series, and the collector of the NPN type triode is connected to power supply
Port, the emitter of the PNP type triode are connected to reference to ground；At this point, the emitter of the NPN type triode is described the
One triggering port, the collector of the PNP type triode are the second triggering port, the base stage of the NPN type triode with
The base stage of the PNP type triode is connected and is connected to the signal input port.For another example, first switch drive module 320 can
To be made of N-channel MOS pipe and resistance, wherein the source electrode of the N-channel MOS pipe is connect with the resistance；And second switch drives mould
Block 340 can be then made of P-channel metal-oxide-semiconductor and resistance, wherein the grid of the P-channel metal-oxide-semiconductor is connect with the resistance；This
In the case of, two resistance are connected with each other so that the N-channel MOS pipe, two resistance and the P-channel metal-oxide-semiconductor are sequentially connected in series, and
And the drain electrode of the N-channel MOS pipe is connected to supply port, the source electrode of the P-channel metal-oxide-semiconductor is connected to reference to ground；At this point, the N ditch
The source electrode of road metal-oxide-semiconductor is the first triggering port, and the drain electrode of the P-channel metal-oxide-semiconductor is the second triggering port,
The grid of the N-channel MOS pipe is connected with the grid of the P-channel metal-oxide-semiconductor and is connected to the signal input port.
In the present embodiment, after signal input port receives the input drive signal in sinusoidal variations, when input is driven
Dynamic signal be respectively acting on first switch drive module 320 control terminal and second switch drive module 340 control terminal when,
One switch drive module 320 and second switch drive module 340 can alternately work, and the first triggering port and second
Trigger port can non-synchronously two opposite trigger signals of output phase, so as to which first switch mould is non-synchronously connected
Block 100 and second switch module 200, so that first switch module 100 and second switch module 200 are alternately carried out work and produce
The pumping signal of raw supply rotary transformer provides excitation letter so as to substitute special decoding chip as rotary transformer
Number.
Further, based on the above embodiment, another embodiment of the utility model additionally provides a kind of signal generation electricity
Road, wherein first switch drive module 320 includes third switch module 321 and the first divider resistance R1, third switch module
321 and first divider resistance R1 phase concatenate and be connected between supply port and second switch drive module 340, third switching molding
The junction of block 321 and the first divider resistance R1 are provided with the first triggering port, and the control terminal of third switch module 321 is
The control terminal of one switch drive module 320.
In the present embodiment, third switch module 321 can have different embodiments, for example, third switch module 321
It can be NPN type triode, or N-channel MOS pipe.In the present embodiment, referring to Fig. 2, third switch module 321 is preferential
Using NPN type triode, after signal input port receives the input drive signal in sinusoidal variations, when third switch module
When 321 base stage and the control terminal of second switch drive module 340 receive high level signal, second switch drive module 340
And without work, therefore second switch module 200 will not be switched on, and third switch module 321 can be then switched on, institute
With first switch module 100 can be switched on, therefore signal output port can export high level signal；When third switch module
When 321 base stage and the control terminal of second switch drive module 340 receive low level signal, third switch module 321 can quilt
Cut-off, therefore first switch module 100 will not be switched on, and second switch drive module 340 at this time is then able to carry out work
And second switch module 200 is connected by the second triggering port, so that signal output port can export low level signal；
Therefore, signal output port can export the pumping signal in sinusoidal variations with input drive signal, so as to substitute
Special decoding chip provides pumping signal for rotary transformer.
Further, based on the above embodiment, another embodiment of the utility model additionally provides a kind of signal generation electricity
Road, wherein second switch drive module 340 includes the 4th switch module 341 and the second divider resistance R2, the 4th switch module
341 and second divider resistance R2 phase concatenate and be connected to first switch drive module 320 and with reference between ground, the 4th switch module
341 and second the junction of divider resistance R2 be provided with the second triggering port, the control terminal of the 4th switch module 341 is second
The control terminal of switch drive module 340.
In the present embodiment, the 4th switch module 341 can have different embodiments, for example, the 4th switch module 341
It can be PNP type triode, or P-channel metal-oxide-semiconductor.In the present embodiment, referring to Fig. 2, the 4th switch module 341 is preferential
Using PNP type triode, after signal input port receives the input drive signal in sinusoidal variations, when the 4th switch module
When 341 base stage and the control terminal of first switch drive module 320 receive low level signal, first switch drive module 320
And without work, therefore first switch module 100 will not be switched on, and the 4th switch module 341 can be then switched on, institute
With second switch module 200 can be switched on, therefore signal output port can export low level signal；When the 4th switch module
When 341 base stage and the control terminal of first switch drive module 320 receive high level signal, the 4th switch module 341 can quilt
Cut-off, therefore second switch module 200 will not be switched on, and first switch drive module 320 at this time is then able to carry out work
And first switch module 100 is connected by the first triggering port, so that signal output port can export high level signal；
Therefore, signal output port can export the pumping signal in sinusoidal variations with input drive signal, so as to substitute
Special decoding chip provides pumping signal for rotary transformer.
Further, based on the above embodiment, another embodiment of the utility model additionally provides a kind of signal generation electricity
Road, the signal generating circuit further include inversed module 400, and inversed module 400 is set to signal input port and drive module 300
Input terminal between.
In the present embodiment, inversed module 400 can have different embodiments, for example, inversed module 400 can be to apply
Schmitt trigger, or TTL phase inverter can also be CMOS inverter.In the present embodiment, inversed module 400 is preferred
It should believe in the PWM of sinusoidal variations for Schmidt trigger when signal input port receives the pwm signal in sinusoidal variations
Number can by inversed module 400 carry out shaping, after shaping obtained from signal, then can control first switch drive module
320 and second switch drive module 340 conducting and shutdown, so as to control first switch module 100 and second switch mould
The conducting and shutdown of block 200 enable signal output port to export pumping signal required by meeting rotary transformer, thus
Special decoding chip can be substituted and provide pumping signal for rotary transformer.
In addition, another embodiment of the utility model additionally provides a kind of signal generating circuit with reference to Fig. 2, which is produced
Raw circuit includes P-channel metal-oxide-semiconductor Q3, N-channel MOS pipe Q4, NPN type triode Q1, the first divider resistance R1, PNP type triode
Q2, the second divider resistance R2, Schmidt trigger U1, signal input port and signal output port；Wherein, P-channel metal-oxide-semiconductor Q3
Source electrode be connected to form the signal output port, the drain electrode of P-channel metal-oxide-semiconductor Q3 with the drain electrode of N-channel MOS pipe Q4
It is connected to supply port, the source electrode of N-channel MOS pipe Q4 is connected to reference to ground；NPN type triode Q1, the first divider resistance R1,
Two divider resistance R2 and PNP type triode Q2 are sequentially connected in series and are connected between supply port and reference ground, NPN type triode Q1
Emitter be connected to the grid of P-channel metal-oxide-semiconductor Q3, the collector of PNP type triode Q2 is connected to the grid of N-channel MOS pipe Q4
The base stage of pole, NPN type triode Q1, which is connected with the base stage of PNP type triode Q2 and passes through Schmidt trigger U1, is connected to letter
Number input port；Two opposite triggerings of the collector output phase of the emitter of NPN type triode Q1 and PNP type triode Q2
Signal.
In the present embodiment, any high speed input/output pin or the PWM port connection of common single-chip microcontroller be can use
To signal input port, when single-chip microcontroller is in the pwm signal of sinusoidal variations to signal input port output, the pwm signal is first
Shaping is carried out by Schmidt trigger U1, the obtained signal after shaping, meeting synchronous transfer is to NPN type triode Q1's
The base stage of base stage and PNP type triode Q2, therefore, after shaping obtained signal can control NPN type triode Q1 and
The conducting and shutdown of PNP type triode Q2, thus can correspond to control P-channel metal-oxide-semiconductor Q3 and N-channel MOS pipe Q4 conducting with
Shutdown, so that signal output port can export pumping signal required by meeting rotary transformer.For example, working as single-chip microcontroller
When exporting low level signal to signal input port, which carries out reverse phase processing by Schmidt trigger U1 and becomes
For high level signal, which is respectively transmitted to the base stage of NPN type triode Q1 and the base stage of PNP type triode Q2,
At this point, NPN type triode Q1 can be switched on, and PNP type triode Q2 can then end, when NPN type triode Q1 is switched on, P
The grid of channel MOS tube Q3 is high level, therefore P-channel metal-oxide-semiconductor Q3 can be switched on, at this point, signal output port will export
High level signal.Same principle, when single-chip microcontroller exports high level signal to signal input port, final signal output port
Low level signal can be exported.Therefore, by driving P-channel metal-oxide-semiconductor Q3 and N-channel MOS pipe Q4 work alternatively generating confession
To the pumping signal of rotary transformer, special decoding chip can be substituted as rotary transformer, pumping signal is provided, so as to
Enough break the technical barrier of special decoding chip.In addition, the signal generating circuit of the present embodiment, can utilize simple, compact
Circuit design, replace the circuit design of special decoding chip, so as to effectively reduce cost, effective life of stable prod
It produces.
In addition, another embodiment of the utility model additionally provides a kind of wiring board, which is laid with as described above
Signal generating circuit.
In the present embodiment, which can be single sided board, double plate faces or multilayer circuit board；In addition, the wiring board can
To be made of phenolic paper laminate, epoxy paper-based laminate, polyester fiberglass carpet veneer pressing plate or epoxy glass cloth laminated board
Rigid circuit board, or the flexible circuit board being made of polyester film, Kapton or fluorinated ethylene propylene (FEP) film.
In the present embodiment, since the wiring board is laid with signal generating circuit as described above, the present embodiment
Wiring board has the function of brought by the signal generating circuit in any embodiment as described above or beneficial effect, that is, passes through handle
First switch module 100 is mutually concatenated with second switch module 200, so that first switch module 100 and second switch module 200
Junction is provided with signal output port, and triggers port and the second triggering end using first by being set to drive module 300
First switch module 100 and second switch module 200 is non-synchronously connected in two trigger signals of the opposite in phase that mouth is exported,
So that signal output port can export the pumping signal for supplying rotary transformer, so as to substitute special solution
Code chip provides pumping signal for rotary transformer.
In addition, another embodiment of the utility model additionally provides a kind of electric machine controller, which includes
Wiring board, the wiring board be laid with control chip and any embodiment as described above in signal generating circuit, described first
Triggering port and the second triggering port are connected to the control chip.
In the present embodiment, which can have different embodiments, for example, the control chip can be monolithic
Machine, or field programmable gate array chip.The electric machine controller may include having one or more wiring boards, work as motor
When controller includes a wiring board, the signal being laid in any embodiment as described above in a wiring board generates electricity
Road.When electric machine controller includes multiple wiring boards, multiple wiring board is laid with jointly in any embodiment as described above
Signal generating circuit, that is, the signal generating circuit in any embodiment as described above is divided into multiple mutually matched
Module, each module are laid in respectively on a wiring board, pass through conducting wire or Interference fit etc. between last multiple wiring boards
Mode is connected together, to form the signal generating circuit in any embodiment as described above.
In the present embodiment, since electric machine controller includes wiring board, and the wiring board is laid with control chip and such as
Signal generating circuit in the upper any embodiment, therefore the electric machine controller of the present embodiment has any implementation as described above
Function or beneficial effect brought by signal generating circuit in example, that is, by first switch module 100 and second switch mould
200 phase of block concatenation, so that the junction of first switch module 100 and second switch module 200 is provided with signal output port, and
Two triggerings of the opposite in phase that port and the second triggering port are exported are triggered using first by being set to drive module 300
First switch module 100 and second switch module 200 is non-synchronously connected in signal, so that signal output port can export
For supplying the pumping signal of rotary transformer, excitation letter is provided so as to substitute special decoding chip as rotary transformer
Number.
In addition, another embodiment of the utility model additionally provides a kind of electric car, which includes as above
Electric machine controller in any embodiment.
In the present embodiment, since the electric car includes electric machine controller as described above, the present embodiment
Electric car has the function of brought by the electric machine controller in any embodiment as described above or beneficial effect, that is, passes through handle
First switch module 100 is mutually concatenated with second switch module 200, so that first switch module 100 and second switch module 200
Junction is provided with signal output port, and triggers port and the second triggering end using first by being set to drive module 300
First switch module 100 and second switch module 200 is non-synchronously connected in two trigger signals of the opposite in phase that mouth is exported,
So that signal output port can export the pumping signal for supplying rotary transformer, so as to substitute special solution
Code chip provides pumping signal for rotary transformer.
Be above to the utility model it is preferable implementation illustrated, but the utility model be not limited to it is above-mentioned
Embodiment, those skilled in the art can also make various be equal without departing from the spirit of the present invention
Deformation or replacement, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (8)
1. a kind of signal generating circuit, it is characterised in that: the first switch mould including generating waveform signal for cooperating
Block (100) and second switch module (200), for triggering the first switch module (100) and second switch module (200)
Drive module (300), signal input port and the signal output port of on-off；The first switch module (100) and second is opened
It closes module (200) mutually to concatenate and be connected between supply port and reference ground, the first switch module (100) and second switch
The junction of module (200) is provided with the signal output port；The input terminal of the drive module (300) is connected to described
Signal input port, the drive module (300) are provided with the first triggering port and the second triggering port, first triggering end
Mouth is connected to the control terminal of the first switch module (100), and second triggering port is connected to the second switch module
(200) the opposite trigger signal of port output phase is triggered in control terminal, the first triggering port and second.
2. a kind of signal generating circuit according to claim 1, it is characterised in that: the drive module (300) includes the
One switch drive module (320) and second switch drive module (340), the first switch drive module (320) and second are opened
Drive module (340) are closed mutually to concatenate and be connected between supply port and reference ground, the first switch drive module (320)
The control terminal of control terminal and second switch drive module (340) is connected to the signal input port, and described first opens
It closes drive module (320) and is provided with the first triggering port, the second switch drive module (340) is provided with described
Second triggering port.
3. a kind of signal generating circuit according to claim 2, it is characterised in that: the first switch drive module
It (320) include third switch module (321) and the first divider resistance (R1), the third switch module (321) and first divide
Resistance (R1) is mutually concatenated and is connected between supply port and the second switch drive module (340), the third switching molding
The junction of block (321) and the first divider resistance (R1) is provided with the first triggering port, the third switch module
(321) control terminal is the control terminal of the first switch drive module (320).
4. a kind of signal generating circuit according to claim 2, it is characterised in that: the second switch drive module
It (340) include the 4th switch module (341) and the second divider resistance (R2), the 4th switch module (341) and second divide
Resistance (R2) is mutually concatenated and is connected between the first switch drive module (320) and reference ground, the 4th switch module
(341) and the junction of the second divider resistance (R2) is provided with the second triggering port, the 4th switch module (341)
Control terminal be the second switch drive module (340) control terminal.
5. a kind of signal generating circuit according to claim 1 to 4, it is characterised in that: further include inversed module
(400), the inversed module (400) is set between the signal input port and the input terminal of the drive module (300).
6. a kind of wiring board, it is characterised in that: be laid with signal generating circuit a method as claimed in any one of claims 1 to 5.
7. a kind of electric machine controller, it is characterised in that: include wiring board, the wiring board is laid with control chip and such as right
It is required that any signal generating circuit of 1-5, the first triggering port and the second triggering port are connected to the control
Coremaking piece.
8. a kind of electric car, it is characterised in that: include a kind of electric machine controller as claimed in claim 7.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822081144.0U CN209634402U (en) | 2018-12-11 | 2018-12-11 | A kind of signal generating circuit, wiring board, electric machine controller and electric car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822081144.0U CN209634402U (en) | 2018-12-11 | 2018-12-11 | A kind of signal generating circuit, wiring board, electric machine controller and electric car |
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| CN209634402U true CN209634402U (en) | 2019-11-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109795425A (en) * | 2018-12-11 | 2019-05-24 | 深圳市法拉第电驱动有限公司 | A kind of signal generating circuit, wiring board, electric machine controller and electric car |
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2018
- 2018-12-11 CN CN201822081144.0U patent/CN209634402U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109795425A (en) * | 2018-12-11 | 2019-05-24 | 深圳市法拉第电驱动有限公司 | A kind of signal generating circuit, wiring board, electric machine controller and electric car |
| CN109795425B (en) * | 2018-12-11 | 2024-04-16 | 深圳市法拉第电驱动有限公司 | Signal generation circuit, circuit board, motor controller and electric automobile |
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