CN209581377U - A kind of start-up circuit, wiring board, controller and electric car - Google Patents

Abstract

The utility model discloses a kind of start-up circuit, wiring board, controller and electric car, which includes switch block, the power input for connecting input power, one group of start end for the power output end of out-put supply and for switch block to be connected；Power input, switch block and power output end are connected in series, which includes receiving the first start end and the second start end of varying input signal respectively, and the first start end and the second start end are all connected to the control terminal of switch block.When the case where powered-off fault occurs during startup in electric car, the utility model can guarantee the normal starting of electric car, thus meet user with vehicle needs.

Description

A kind of start-up circuit, wiring board, controller and electric car

Technical field

The utility model relates to electric vehicle engineering field, especially a kind of start-up circuit, wiring board, controller and electronic Automobile.

Background technique

With the continuous development of current electric car, the electronic equipment in electric car is increasing, and power consumption is increasingly Greatly, in order to which the electric energy loss of battery can be reduced when electric car is in flame-out, often it is in flame-out in electric car When so that the electric-control system of automobile is in suspend mode so that electric car is in the very small low energy consumption state of electricity consumption.And work as When needing to start electric car, then the normal work of electric-control system is waken up by wake-up circuit, still, when in electric car Occur the case where powered-off fault in start-up course, then will lead to electric car and the problem of not starting occur, to influence user Needed with vehicle.

Utility model content

To solve the above problems, the purpose of this utility model is to provide a kind of start-up circuit, wiring board, controller and electricity Electrical automobile can guarantee the normal starting of electric car when the case where powered-off fault occurs during startup in electric car, from And meet user with vehicle needs.

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 start-up circuit, including switch block, for connecting input power Power input, one group of start end for the power output end of out-put supply and for the switch block to be connected；The electricity Source input terminal, switch block and power output end are connected in series, and one group of start end includes receiving varying input signal respectively The first start end and the second start end, first start end and the second start end are all connected to the control of the switch block End.

Further, the switch block include the first metal-oxide-semiconductor and the second metal-oxide-semiconductor, the power input, the first metal-oxide-semiconductor, Second metal-oxide-semiconductor and power output end are connected in series, the grid of the first metal-oxide-semiconductor and grid of the second metal-oxide-semiconductor is connected and shape At the control terminal of the switch block.

Further, first metal-oxide-semiconductor and the second metal-oxide-semiconductor are p-type metal-oxide-semiconductor, the power input, the first metal-oxide-semiconductor Drain electrode, the source electrode of the first metal-oxide-semiconductor, the source electrode of the second metal-oxide-semiconductor, the drain electrode of the second metal-oxide-semiconductor and power output end be connected in series.

It further, further include first switch drive module, the first divider resistance and the second divider resistance；First partial pressure Resistance is connected between the junction of first metal-oxide-semiconductor and the second metal-oxide-semiconductor and the grid of first metal-oxide-semiconductor, and described first Switch drive module and the second divider resistance are mutually concatenated and are connected between first divider resistance and reference ground, and described first The control terminal of switch drive module is connected to first start end.

It further, further include second switch drive module and third divider resistance；The second switch drive module and Three divider resistances are mutually concatenated and are connected between first divider resistance and reference ground, the control of the second switch drive module End processed is connected to second start end.

Further, the first switch drive module includes the first triode, and the collector of first triode connects It is grounded in the emitter of second divider resistance, first triode, the base stage of first triode is connected to described First start end.

Further, the second switch drive module includes the second triode, and the collector of second triode connects It is grounded in the emitter of the third divider resistance, second triode, the base stage of second triode is connected to described Second start end.

Second aspect, the utility model also proposed a kind of wiring board, be laid with start-up circuit as described above.

The third aspect, the utility model also proposed a kind of controller, include wiring board, and the wiring board is laid with control Coremaking piece and start-up circuit as described above, first start end and the second start end are connected to the control chip.

Fourth aspect, the utility model also proposed a kind of electric car, include controller as described above.

The one or more technical solutions provided in the utility model embodiment, at least have the following beneficial effects: power supply Input terminal, switch block and power output end are connected in series, and the first start end and the second start end are all connected to switching group The control terminal of part, and the first start end and the second start end receive different input signals, therefore, when in different situations When varying input signal is input to the first start end or the second start end, switch block can be connected, so that it is defeated to be input to power supply The power supply for entering end can be exported from power output end, to guarantee the normal work of electric car.For example, when starting electric car When, only the first start end receives a wake-up control signal, which controls signal conduction switch block so that electricity Electrical automobile can work normally；During electric car is activated and electric car works normally, if there is powered-off fault The case where and to wake up control signal it is no longer valid when, the second start end can receive power down and maintain signal, the power down Maintain signal that switch block can be connected, to ensure that in the case where powered-off fault, electric car can also be worked normally, To meet user with vehicle needs.

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 start-up circuit provided by the utility model one embodiment；

Fig. 2 is the circuit diagram of start-up circuit provided by another embodiment of the utility model；

Fig. 3 is the circuit diagram of start-up circuit provided by another embodiment of the utility model；

Fig. 4 is the circuit diagram of start-up circuit provided by another embodiment of the utility model；

Fig. 5 is the circuit diagram of start-up circuit provided by another embodiment of the utility model.

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 inventor, the electronics with the continuous development of current electric car, in electric car Equipment is increasing, and power consumption is increasing, in order to which the electric energy loss of battery can be reduced when electric car is in flame-out, Often the electric-control system of automobile is set to be in suspend mode when electric car is in flame-out, so that electric car is in electricity consumption Very small low energy consumption state.And when needing to start electric car, then by transmitting a wake-up control letter to wake-up circuit Number so that wake-up circuit wakes up the normal work of electric-control system, still, at present in most of electric car start-up circuit, only set It is equipped with single wake-up circuit, when occurring exception in the start-up course in electric car or in the normal work of electric car The case where power down, since wake-up control signal is no longer valid, wake-up circuit not can be carried out normal work, to can lead It sends a telegraph electrical automobile to occur not starting or the problem of cisco unity malfunction, to influence being needed with vehicle for user.

Based on this, the utility model provides a kind of start-up circuit, wiring board, controller and electric car, passes through setting For receiving the first start end 400 and the second start end 500 of varying input signal, make it possible in varied situations, switch Component 100 can be switched on, and be ensure that input power can effectively be exported from power output end 300, fallen even if there is exception The situation of electricity, electric car can also work normally, so as to meet user with vehicle needs.

With reference to the accompanying drawing, the utility model embodiment is further elaborated.

Referring to Fig.1, one embodiment of the utility model provides a kind of start-up circuit, including switch block 100, is used for Connect the power input 200 of input power, for the power output end 300 of out-put supply and for the switch block to be connected 100 one group of start end；The power input 200, switch block 100 and power output end 300 are connected in series, and described one group Start end includes receiving the first start end 400 and the second start end 500 of varying input signal, first start end respectively 400 and second start end 500 be all connected to the control terminal of the switch block 100.

In the present embodiment, switch block 100 can be there are many different embodiments.For example, switch block 100 can be with For single metal-oxide-semiconductor, in this case, the grid of the metal-oxide-semiconductor is the control terminal of the switch block 100, the metal-oxide-semiconductor Grid is connected to the first start end 400 and the second start end 500；For another example, switch block 100 can be more than two The combination of metal-oxide-semiconductor, such as tandem compound of more than two metal-oxide-semiconductors, and the grid of whole metal-oxide-semiconductors homogeneously connects, in this feelings Under condition, junction between the grid of whole metal-oxide-semiconductors, the as control terminal of the switch block 100, the grid of whole metal-oxide-semiconductors Junction between pole is connected to the first start end 400 and the second start end 500；For another example, switch block 100 can also be by The relay for being able to bear high current is constituted, and in this case, wherein one end of the relay coil part is described The control terminal of switch block 100, the other end ground connection of coiler part.

In the present embodiment, the first start end 400 and the second start end 500 receive different input signals, this is different Input signal can have different embodiments.For example, the different input signal can derive from different devices, the difference Input signal can be exported by different device synchronizations, can also by different devices alternately export；For another example, this is different defeated Entering signal can connect from the same device, the first start end 400 with one of output pin of the device, and second opens Moved end 500 is connect with another output pin of the device, which can be somebody's turn to do by the two output pin synchronism outputs Different input signals can also alternately export the different input signal by the two output pins.

In the present embodiment, power input 200, switch block 100 and power output end 300 are connected in series, Er Qie One start end 400 and the second start end 500 are all connected to the control terminal of switch block 100, and the first start end 400 and second Start end 500 receives different input signals, therefore, when the varying input signal in different situations is input to the first start end 400 or when the second start end 500, switch block 100 can be connected, enable be input to the power supply of power input 200 from Power output end 300 exports, to guarantee the normal work of electric car.For example, only first opens when starting electric car Moved end 400 receives a wake-up control signal, which controls signal conduction switch block 100 so that electric car energy It is enough to work normally；During electric car is activated and electric car works normally, if there is the case where powered-off fault When so that wake-up control signal is no longer valid, the second start end 500 can receive a power down and maintain signal, which maintains letter Number switch block 100 can be connected, to ensure that in the case where powered-off fault, electric car can also be worked normally, from And meet user with vehicle needs.

Further, based on the above embodiment, another embodiment of the utility model additionally provides a kind of start-up circuit, institute Stating switch block 100 includes the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2, the power input 200, the first metal-oxide-semiconductor Q1, second Metal-oxide-semiconductor Q2 and power output end 300 are connected in series, and the grid of the first metal-oxide-semiconductor Q1 and the grid of the second metal-oxide-semiconductor Q2 are connected And form the control terminal of the switch block 100.

In the present embodiment, the first metal-oxide-semiconductor Q1 can be p-type metal-oxide-semiconductor, or N-type metal-oxide-semiconductor；Second metal-oxide-semiconductor Q2 can Think p-type metal-oxide-semiconductor, or N-type metal-oxide-semiconductor；Therefore, switch block 100 can be there are many different embodiments.For example, First metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 is p-type metal-oxide-semiconductor, and the drain electrode of the first metal-oxide-semiconductor Q1 is connected to power input 200, the The source electrode of one metal-oxide-semiconductor Q1 is connect with the source electrode of the second metal-oxide-semiconductor Q2, and the drain electrode of the second metal-oxide-semiconductor Q2 is connected to power output end 300； For another example, the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 is N-type metal-oxide-semiconductor, and the source electrode of the first metal-oxide-semiconductor Q1 is connected to power input The drain electrode of 200, the first metal-oxide-semiconductor Q1 are connect with the drain electrode of the second metal-oxide-semiconductor Q2, and the source electrode of the second metal-oxide-semiconductor Q2 is connected to power supply output End 300；For another example, the first metal-oxide-semiconductor Q1 is p-type metal-oxide-semiconductor, and the second metal-oxide-semiconductor Q2 is N-type metal-oxide-semiconductor, and the drain electrode of the first metal-oxide-semiconductor Q1 connects It is connected to power input 200, the source electrode of the first metal-oxide-semiconductor Q1 is connect with the drain electrode of the second metal-oxide-semiconductor Q2, the source electrode of the second metal-oxide-semiconductor Q2 It is connected to power output end 300；For another example, the first metal-oxide-semiconductor Q1 is N-type metal-oxide-semiconductor, and the second metal-oxide-semiconductor Q2 is p-type metal-oxide-semiconductor, the first MOS The source electrode of pipe Q1 is connected to power input 200, and the drain electrode of the first metal-oxide-semiconductor Q1 is connect with the source electrode of the second metal-oxide-semiconductor Q2, and second The drain electrode of metal-oxide-semiconductor Q2 is connected to power output end 300.

In the present embodiment, power input 200, the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2 and power output end 300 are connected Connection, and the first start end 400 and the second start end 500 are connected to the grid and the second metal-oxide-semiconductor Q2 of the first metal-oxide-semiconductor Q1 Grid, and the first start end 400 and the second start end 500 receive different input signals, therefore, when in different situations Varying input signal when being input to the first start end 400 or the second start end 500, the first metal-oxide-semiconductor Q1 and can be connected Two metal-oxide-semiconductor Q2 enable the power supply for being input to power input 200 to export from power output end 300, to guarantee electronic vapour The normal work of vehicle.For example, only the first start end 400 receives a wake-up control signal when starting electric car, it should Control signal conduction the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 is waken up so that electric car can work normally；In electronic vapour During vehicle is activated and electric car works normally, make to wake up control signal no longer if there is the case where powered-off fault When effective, the second start end 500 can receive a power down and maintain signal, which maintains signal that the first metal-oxide-semiconductor can be connected Q1 and the second metal-oxide-semiconductor Q2, to ensure that in the case where powered-off fault, electric car can also be worked normally, to meet User's is needed with vehicle.

Further, based on the above embodiment, referring to Fig. 2, another embodiment of the utility model additionally provides one kind and opens Dynamic circuit, the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 are p-type metal-oxide-semiconductor, the power input 200, the first metal-oxide-semiconductor Q1 Drain electrode, the source electrode of the first metal-oxide-semiconductor Q1, the source electrode of the second metal-oxide-semiconductor Q2, the drain electrode of the second metal-oxide-semiconductor Q2 and power output end 300 go here and there Connection connection.

The case where recognized according to inventor, existing wake-up circuit are easy to appear and the case where reverse connection of accumulator, if When the case where being reversely connected, the device on circuit is easy to cause to be burned out or damage, in order to prevent the generation of such case, usually The counnter attack diode that will connect in wake-up circuit is protected, and avoids leading to device quilt because of the case where being reversely connected It burns.But when wake-up circuit works normally, electric current passes through on counnter attack diode can generate pressure drop, so that circuit can be given Cause unnecessary loss.Assuming that the voltage of battery is 12V, when the through-flow 3A electric current of counnter attack diode, counnter attack diode Pressure drop is about 0.65V, and therefore, the usable voltage of battery can be lowered, to reduce the use time of battery, and is prevented Anti- diode can also generate the loss of about 1.95W.

In order to reduce pressure drop and loss produced by above-mentioned counnter attack diode, in the present embodiment, substituted using the first metal-oxide-semiconductor Q1 Counnter attack diode realizes anti-reverse effect, and the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 preferentially use p-type metal-oxide-semiconductor.By It is connect in the drain electrode of the first metal-oxide-semiconductor Q1 with power input 200, and the source electrode of the source electrode of the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 Connection, therefore the anode of the body diode inside the first metal-oxide-semiconductor Q1 is connect with power input 200, the cathode of the body diode It is connect with the source electrode of the second metal-oxide-semiconductor Q2.When the start-up circuit of battery and the present embodiment normally connects, due to the body diode Effect, the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 there are no it is switched in the case where, power supply can pass through two pole of body Guan Ercong power input 200 flows to the second metal-oxide-semiconductor Q2；And when battery is reversely connected, due to the effect of the body diode, Power supply can not flow to power input 200 from the second metal-oxide-semiconductor Q2.Therefore, it can be risen using the first metal-oxide-semiconductor Q1 of p-type metal-oxide-semiconductor To effective anti-reverse effect.In addition, when the first metal-oxide-semiconductor Q1 is in state switched on, due to the pressure drop of the first metal-oxide-semiconductor Q1 It is small, such as under same 3A through-current capability, the pressure drop of the first metal-oxide-semiconductor Q1 is about 0.045V, loss is about 0.135W, therefore, Counnter attack diode is substituted using the first metal-oxide-semiconductor Q1, additionally it is possible to play the role of that pressure drop and loss is effectively reduced.

Further, based on the above embodiment, referring to Fig. 3, another embodiment of the utility model additionally provides one kind and opens Dynamic circuit, which further includes first switch drive module 420, the first divider resistance R1 and the second divider resistance R2；Institute State the first divider resistance R1 be connected to the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 junction and the first metal-oxide-semiconductor Q1 Between grid, the first switch drive module 420 concatenates with the second divider resistance R2 phase and is connected to the first partial pressure electricity It hinders R1 and with reference between ground, the control terminal of the first switch drive module 420 is connected to first start end 400.

In the present embodiment, first switch drive module 420, the first divider resistance R1 and the second divider resistance R2 cooperation are real Now to the turn-on bias of the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2, wherein first switch drive module 420 can there are many different Embodiment, for example, first switch drive module 420 can be triode, at this point, the base stage of the triode is connected to first Start end 400；For another example, first switch drive module 420 or metal-oxide-semiconductor, at this point, the grid of the metal-oxide-semiconductor is connected to first Start end 400；For another example, first switch drive module 420 can also be relay, at this point, the coiler part of the relay concatenates In the first start end 400 and with reference between ground.

In the present embodiment, when the first start end 400 receives a wake-up control signal, which controls signal meeting First switch drive module 420 is connected, at this point, body diode, the first partial pressure inside power input 200, the first metal-oxide-semiconductor Q1 Resistance R1, the second divider resistance R2, first switch drive module 420 and reference it will form an electric power loop, therefore first Divider resistance R1 and the second divider resistance R2 be able to carry out partial pressure and the grid of the first metal-oxide-semiconductor Q1 and the grid of the second metal-oxide-semiconductor Q2 Pole is all offset to conducting voltage appropriate, to the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 is connected, so that it is defeated to be connected to power supply The power supply for entering end 200 can be exported by power output end 300.Since the first metal-oxide-semiconductor Q1 is switched on, first Metal-oxide-semiconductor Q1 can reduce the pressure drop as caused by its body diode and loss, to ensure that effective use of battery.

Further, based on the above embodiment, referring to Fig. 4, another embodiment of the utility model additionally provides one kind and opens Dynamic circuit, which further includes second switch drive module 520 and third divider resistance R3；The second switch drives mould Block 520 and third divider resistance R3 phase concatenate and are connected to the first divider resistance R1 and with reference between ground, and described second opens The control terminal for closing drive module 520 is connected to second start end 500.

In the present embodiment, second switch drive module 520, the first divider resistance R1 and third divider resistance R3 cooperation are real Now to the turn-on bias of the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2, wherein second switch drive module 520 can there are many different Embodiment, for example, second switch drive module 520 can be triode, at this point, the base stage of the triode is connected to second Start end 500；For another example, second switch drive module 520 or metal-oxide-semiconductor, at this point, the grid of the metal-oxide-semiconductor is connected to second Start end 500；For another example, second switch drive module 520 can also be relay, at this point, the coiler part of the relay concatenates In the second start end 500 and with reference between ground.

In the present embodiment, when the second start end 500, which receives a power down, maintains signal, which maintains signal meeting Second switch drive module 520 is connected, at this point, body diode, the first partial pressure inside power input 200, the first metal-oxide-semiconductor Q1 Resistance R1, third divider resistance R3, second switch drive module 520 and reference it will form an electric power loop, therefore first Divider resistance R1 and third divider resistance R3 be able to carry out partial pressure and the grid of the first metal-oxide-semiconductor Q1 and the grid of the second metal-oxide-semiconductor Q2 Pole is all offset to conducting voltage appropriate, to the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 is connected, so that it is defeated to be connected to power supply The power supply for entering end 200 can be exported by power output end 300.Since the first metal-oxide-semiconductor Q1 is switched on, first Metal-oxide-semiconductor Q1 can reduce the pressure drop as caused by its body diode and loss, to ensure that effective use of battery.

Further, based on the above embodiment, another embodiment of the utility model additionally provides a kind of start-up circuit, institute Stating first switch drive module 420 includes the first triode Q3, and the collector of the first triode Q3 is connected to described second The emitter of divider resistance R2, the first triode Q3 are grounded, and the base stage of the first triode Q3 is connected to described first Start end 400.

In the present embodiment, first switch drive module 420 is preferably the first triode Q3, the one or three pole in the present embodiment Detailed elaboration, and the work that the first triode Q3 is played has been carried out in the working principle of pipe Q3 in the above-described embodiments With and effect, be also described in detail in the above-described embodiments, therefore and will not be described here in detail.

Further, based on the above embodiment, another embodiment of the utility model additionally provides a kind of start-up circuit, institute Stating second switch drive module 520 includes the second triode Q4, and the collector of the second triode Q4 is connected to the third The emitter of divider resistance R3, the second triode Q4 are grounded, and the base stage of the second triode Q4 is connected to described second Start end 500.

In the present embodiment, second switch drive module 520 is preferably the second triode Q4, the two or three pole in the present embodiment Detailed elaboration, and the work that the second triode Q4 is played has been carried out in the working principle of pipe Q4 in the above-described embodiments With and effect, be also described in detail in the above-described embodiments, therefore and will not be described here in detail.

In addition, another embodiment of the utility model additionally provides a kind of start-up circuit referring to Fig. 5, the start-up circuit packet Include the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2, the first triode Q3, the second triode Q4, the first divider resistance R1, the second partial pressure electricity Hinder R2, third divider resistance R3, power input 200, power output end 300, the first start end 400 and the second start end 500； Power input 200, the drain electrode of the first metal-oxide-semiconductor Q1, the source electrode of the first metal-oxide-semiconductor Q1, the source electrode of the second metal-oxide-semiconductor Q2, the second metal-oxide-semiconductor The drain electrode of Q2 and power output end 300 are connected in series；First divider resistance R1 is connected to the source electrode and first of the first metal-oxide-semiconductor Q1 Between the grid of metal-oxide-semiconductor Q1, the first triode Q3 and the second divider resistance R2 phase concatenate and be connected to the first divider resistance R1 and With reference between ground, the base stage of the first triode Q3 is connected to the first start end 400；Second triode Q4 and third divider resistance R3 It mutually concatenates and is connected to the first divider resistance R1 and with reference between ground, the base stage of the second triode Q4 is connected to the second start end 500。

In the present embodiment, the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 are both preferably p-type metal-oxide-semiconductor.Due to power input 200, the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2 and power output end 300 are connected in series, and the first start end 400 passes through the one or three pole Pipe Q3 carries out conducting control to the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2, and the second start end 500 is by the second triode Q4 to the One metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 carries out conducting control, and the first start end 400 and the second start end 500 receive it is different Input signal, therefore, when the varying input signal in different situations is input to the first start end 400 or the second start end 500 When, the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 can be connected, enable and be input to the power supply of power input 200 from power supply Output end 300 exports, to guarantee the normal work of electric car.For example, when starting electric car, only the first start end 400 receive a wake-up control signal, which controls signal and the first metal-oxide-semiconductor Q1 is connected by the way that the first triode Q3 is connected With the second metal-oxide-semiconductor Q2 so that electric car can work normally；It is activated in electric car and electric car works normally During, when making wake-up control signal no longer valid if there is the case where powered-off fault, the second start end 500 can be received Maintain signal to power down, the power down maintain signal can by be connected the second triode Q4 be connected the first metal-oxide-semiconductor Q1 and Second metal-oxide-semiconductor Q2, to ensure that in the case where powered-off fault, electric car can also be worked normally, to meet user Needed with vehicle.

In addition, another embodiment of the utility model additionally provides a kind of wiring board, which is laid with as described above Start-up 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 start-up circuit as described above, the route of the present embodiment Plate has the function of brought by the start-up circuit in any embodiment as described above or beneficial effect, that is, by being arranged for connecing The first start end 400 and the second start end 500 for receiving varying input signal, make it possible in varied situations, switch block 100 It can be switched on, ensure that input power can effectively be exported from power output end 300, even if there are the feelings of powered-off fault Condition, electric car can also work normally, so as to meet user with vehicle needs.

In addition, another embodiment of the utility model additionally provides a kind of controller, which includes wiring board, institute State the start-up circuit that wiring board is laid in control chip and any embodiment as described above, first start end 400 and the Two start ends 500 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 controller may include having one or more wiring boards, when controller packet When having included a wiring board, the start-up circuit that is laid in a wiring board in any embodiment as described above.Work as controller When including multiple wiring boards, multiple wiring board is laid with the start-up circuit in any embodiment as described above, i.e. phase jointly When in the start-up circuit in any embodiment as described above is divided into multiple mutually matched modules, each module is laid respectively In on a wiring board, it is connected together between last multiple wiring boards by modes such as conducting wire or Interference fits, to be formed Start-up circuit in any embodiment as described above.

In the present embodiment, since controller includes wiring board, and the wiring board is laid with control chip and institute as above The start-up circuit in any embodiment is stated, therefore the controller of the present embodiment has the starting electricity in any embodiment as described above Function or beneficial effect brought by road, that is, by the way that the first start end 400 and second for receiving varying input signal is arranged Start end 500 makes it possible in varied situations, and switch block 100 can be switched on, and ensure that input power can be from electricity Source output terminal 300 effectively exports, even if there is the case where powered-off fault, electric car can also be worked normally, so as to full Sufficient user's is needed with vehicle.

In addition, another embodiment of the utility model additionally provides a kind of electric car, which includes as above Controller in any embodiment.

In the present embodiment, since the electric car includes controller as described above, the present embodiment it is electronic Automobile has the function of brought by the controller in any embodiment as described above or beneficial effect, that is, by being arranged for connecing The first start end 400 and the second start end 500 for receiving varying input signal, make it possible in varied situations, switch block 100 It can be switched on, ensure that input power can effectively be exported from power output end 300, even if there are the feelings of powered-off fault Condition, electric car can also work normally, so as to meet user with vehicle needs.

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 (10)

1. a kind of start-up circuit, it is characterised in that: including switch block (100), the power input for connecting input power (200), one group of start end for the power output end of out-put supply (300) and for the switch block (100) to be connected；Institute It states power input (200), switch block (100) and power output end (300) to be connected in series, one group of start end includes point Not Jie Shou varying input signal the first start end (400) and the second start end (500), first start end (400) and Two start ends (500) are all connected to the control terminal of the switch block (100).

2. a kind of start-up circuit according to claim 1, it is characterised in that: the switch block (100) includes the first MOS It manages (Q1) and the second metal-oxide-semiconductor (Q2), the power input (200), the first metal-oxide-semiconductor (Q1), the second metal-oxide-semiconductor (Q2) and power supply is defeated Outlet (300) is connected in series, and the grid of first metal-oxide-semiconductor (Q1) and the grid of the second metal-oxide-semiconductor (Q2) are connected and form institute The control terminal for the switch block (100) stated.

3. a kind of start-up circuit according to claim 2, it is characterised in that: first metal-oxide-semiconductor (Q1) and the second metal-oxide-semiconductor (Q2) be p-type metal-oxide-semiconductor, the power input (200), the drain electrode of the first metal-oxide-semiconductor (Q1), the first metal-oxide-semiconductor (Q1) source electrode, The drain electrode of the source electrode, the second metal-oxide-semiconductor (Q2) of second metal-oxide-semiconductor (Q2) and power output end (300) are connected in series.

4. a kind of start-up circuit according to claim 2, it is characterised in that: further include first switch drive module (420), First divider resistance (R1) and the second divider resistance (R2)；First divider resistance (R1) is connected to first metal-oxide-semiconductor (Q1) between the junction of the second metal-oxide-semiconductor (Q2) and the grid of first metal-oxide-semiconductor (Q1), the first switch drive module (420) first divider resistance (R1) is mutually concatenated and is connected to the second divider resistance (R2) and with reference between ground, described the The control terminal of one switch drive module (420) is connected to first start end (400).

5. a kind of start-up circuit according to claim 4, it is characterised in that: further include second switch drive module (520) With third divider resistance (R3)；The second switch drive module (520) mutually concatenates and is connected to third divider resistance (R3) Between first divider resistance (R1) and reference ground, the control terminal of the second switch drive module (520) is connected to described Second start end (500).

6. a kind of start-up circuit according to claim 4, it is characterised in that: first switch drive module (420) packet It including the first triode (Q3), the collector of first triode (Q3) is connected to second divider resistance (R2), and described The emitter of one triode (Q3) is grounded, and the base stage of first triode (Q3) is connected to first start end (400).

7. a kind of start-up circuit according to claim 5, it is characterised in that: second switch drive module (520) packet It including the second triode (Q4), the collector of second triode (Q4) is connected to the third divider resistance (R3), and described The emitter of two triodes (Q4) is grounded, and the base stage of second triode (Q4) is connected to second start end (500).

8. a kind of wiring board, it is characterised in that: be laid with start-up circuit as claimed in claim 1.

9. a kind of controller, it is characterised in that: include wiring board, the wiring board is laid with control chip and such as claim Any start-up circuit of 1-7, first start end (400) and the second start end (500) are connected to the control Chip.

10. a kind of electric car, it is characterised in that: include controller as claimed in claim 9.