CN208834181U - Pure electric vehicle controller signal acquisition circuit - Google Patents
Pure electric vehicle controller signal acquisition circuit Download PDFInfo
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- CN208834181U CN208834181U CN201821937466.4U CN201821937466U CN208834181U CN 208834181 U CN208834181 U CN 208834181U CN 201821937466 U CN201821937466 U CN 201821937466U CN 208834181 U CN208834181 U CN 208834181U
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- electric vehicle
- signal acquisition
- power supply
- acquisition circuit
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Abstract
The utility model relates to Vehicle control unit for pure electric vehicle technical field more particularly to a kind of pure electric vehicle controller signal acquisition circuits；Including acquisition chip, the acquisition chip is equipped with multiple high RST input terminals for acquiring high useful signal, multiple low signal input terminal, multiple serial data bus connecting pins for being communicated with entire car controller and down trigger connecting pins for receiving entire car controller interrupt trigger signal for being used to acquire low useful signal.Pure electric vehicle controller signal acquisition circuit disclosed in the utility model, by the way that multiple high RST input terminals, multiple low signal input terminals and multiple serial data bus connecting pins is arranged, increase the signal acquisition ability of entire car controller, the requirement that can satisfy pure electric automobile signal acquisition, can adapt to various.
Description
Technical field
The utility model relates to Vehicle control unit for pure electric vehicle technical field more particularly to a kind of pure electric automobile are whole
Vehicle controller signal acquisition circuit.
Background technique
Today's society, with the continuous improvement of people's living standards, the demand to automobile is more and more, meanwhile, the energy is asked
Topic is constantly deepened, and oil product is gradually in short supply, and also constantly deepens to the pollution of environment.How effective one kind is manufactured
The new-energy automobile for substituting orthodox car becomes the developing goal of current all Automobile Enterprises.Moreover, country is to new-energy automobile
Industry is vigorously supported, also exactly for this purpose.Energy-saving and emission-reduction are worldwide trends, various countries under the policy of energy-saving and emission-reduction,
All in research relevant policies guiding, wherein being accounted for the largest percentage with pollution caused by the vehicles, it is seen that develop pure electric automobile
It is trend of the times.New-energy automobile is divided into pure electric automobile and hybrid vehicle again, however, be it is any, as
" brain " of pure electric automobile, the researching and designing of entire car controller just show particularly important.Pure electric automobile vehicle control at present
Device processed there are the shortcomings that have: for the bad adaptability of vehicle, control inflexible；And the input and output of entire car controller drive energy
Power is insufficient；Synchronous signal acquisition capacity is poor.
Therefore, to solve the above-mentioned problems, it is badly in need of inventing a kind of new pure electric vehicle controller signal acquisition electricity
Road.
Summary of the invention
The purpose of this utility model is that: a kind of pure electric vehicle controller signal acquisition circuit is provided,
The utility model provides following proposal:
A kind of pure electric vehicle controller signal acquisition circuit, including acquisition chip, the acquisition chip are equipped with
It is multiple high RST input terminals for acquiring high useful signal, multiple for acquiring the low signal input terminal, more of low useful signal
A serial data bus connecting pin for being communicated with entire car controller and for receiving entire car controller down trigger
The down trigger connecting pin of signal.
Preferably, it is additionally provided with the power supply chip that sets out for waking up Acquisition Circuit on the acquisition chip and enables control terminal.
Preferably, the pure electric vehicle controller signal acquisition circuit further includes enabled resistance, described enabled
The first end of resistance enables control terminal with the power supply chip that sets out and is electrically connected, the second end and full-vehicle control of the enabled resistance
The power supply of device is electrically connected.
Preferably, the pure electric vehicle controller signal acquisition circuit further includes communication resistance, the communication
The first end of resistance is electrically connected with the serial data bus connecting pin, the second end and entire car controller of the communication resistance
Power supply electrical connection.
Preferably, driving power input terminal, the driving power input terminal and vehicle control are additionally provided on the acquisition chip
The driving power of device processed is electrically connected.
Preferably, power supply input terminal, the power supply input terminal and entire car controller are additionally provided on the chip
Power supply electrical connection.
Preferably, the pure electric vehicle controller signal acquisition circuit further includes down trigger resistance, described
The first end of down trigger resistance is electrically connected with the down trigger connecting pin, the second end and vehicle of the down trigger resistance
The power supply of controller is electrically connected.
Preferably, the pure electric vehicle controller signal acquisition circuit further includes power supply filter capacitor, described
The first capacitor plate of power supply filter capacitor is electrically connected with the power supply of entire car controller, the second electricity of the power supply filter capacitor
Hold plate earthing.
Preferably, the pure electric vehicle controller signal acquisition circuit further includes driving filter capacitor, described
The first capacitor plate of driving filter capacitor is electrically connected with the driving power of entire car controller, the second electricity of the driving filter capacitor
Hold plate earthing.
Preferably, the model MC33975 of the acquisition chip.
The utility model generate the utility model has the advantages that
Pure electric vehicle controller signal acquisition circuit disclosed in the utility model, including acquisition chip, it is described
Acquisition chip is equipped with multiple high RST input terminals for acquiring high useful signal, multiple for acquiring the low of low useful signal
Signal input part, multiple serial data bus connecting pins for being communicated with entire car controller and for receiving vehicle control
The down trigger connecting pin of device interrupt trigger signal processed；By be arranged multiple high RST input terminals, multiple low signal input terminals and
Multiple serial data bus connecting pins increase the signal acquisition ability of entire car controller, can satisfy pure electric automobile signal
The requirement of acquisition, can adapt to various.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the pure electric vehicle controller signal acquisition circuit of the utility model.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
It is shown in Figure 1, a kind of pure electric vehicle controller signal acquisition circuit, including acquisition chip, it is described to adopt
Collection chip is equipped with multiple high RST input terminals for acquiring high useful signal, multiple low letters for being used to acquire low useful signal
Number input terminal, multiple serial data bus connecting pins for being communicated with entire car controller and for receiving full-vehicle control
The down trigger connecting pin of device interrupt trigger signal.The energy source out for waking up Acquisition Circuit is additionally provided on the acquisition chip
Chip enables control terminal.Preferably, the pure electric vehicle controller signal acquisition circuit further includes enabled resistance
R118, the first end of the enabled resistance enable control terminal with the power supply chip that sets out and are electrically connected, and the of the enabled resistance
Two ends are electrically connected with the power supply of entire car controller.The pure electric vehicle controller signal acquisition circuit further includes
Resistance R117 is communicated, the first end of the communication resistance is electrically connected with the serial data bus connecting pin, the communication resistance
Second end be electrically connected with the power supply of entire car controller.Driving power input terminal is additionally provided on the acquisition chip, it is described
Driving power input terminal is electrically connected with the driving power of entire car controller.Power supply input terminal, institute are additionally provided on the chip
Power supply input terminal is stated to be electrically connected with the power supply of entire car controller.The pure electric vehicle controller signal is adopted
Collector further includes down trigger resistance R119, and the first end of the down trigger resistance is electrically connected with the down trigger connecting pin
It connects, the second end of the down trigger resistance is electrically connected with the power supply of entire car controller.The whole pure electric vehicle
Controller signals Acquisition Circuit further includes power supply filter capacitor C72, the first capacitor plate of the power supply filter capacitor and vehicle control
The power supply of device processed is electrically connected, the second capacitor plate earthing of the power supply filter capacitor.The whole pure electric vehicle control
Device signal acquisition circuit processed further includes driving filter capacitor C70, the first capacitor plate and full-vehicle control of the driving filter capacitor
The driving power of device is electrically connected, the second capacitor plate earthing of the driving filter capacitor.The model of the acquisition chip
MC33975。
Pure electric vehicle controller signal acquisition circuit described in the present embodiment, including acquisition chip, the acquisition
Chip is equipped with multiple high RST input terminals for acquiring high useful signal, multiple low signals for being used to acquire low useful signal
Input terminal, multiple serial data bus connecting pins for being communicated with entire car controller and for receiving entire car controller
The down trigger connecting pin of interrupt trigger signal；By the way that multiple high RST input terminals, multiple low signal input terminals and multiple are arranged
Serial data bus connecting pin increases the signal acquisition ability of entire car controller, can satisfy pure electric automobile signal acquisition
Requirement, can adapt to various；Big with acquisition signal data volume, acquisition rate is fast, is suitable for this entire car controller
A variety of automotive types, are more widely applied.
Pure electric vehicle controller signal acquisition circuit described in the present embodiment is the signal acquisition of entire car controller
Circuit, the high useful signal acquisition in 8 tunnels, the low useful signal acquisition in 14 tunnels and the acquisition of 5 road frequency signals, so many signal abundant are adopted
Collector to modern pure electric automobile be more widely applied with it is convenient.
Pure electric vehicle controller signal acquisition circuit described in the present embodiment, core circuit is as shown in the picture, main
A piece of MC33975 chip drives chip is applied, VCC is+5V power supply, and VPWR is battery energization pins, this circuit meets+12V.
KL15_CK, H_CK1, H_CK2, H_CK3, H_CK4, H_CK5, H_CK6, H_CK7 are that the acquisition of high useful signal receives pin, L_
CK0~LCK13 is that the acquisition of low useful signal receives pin.SPI_SW_SO, SPI_SW_SI, SPI_SW_CLK, SPI_SW_CS are
Serial data bus pin, SW_INT are to receive down trigger pin, and SW_WAKE is the enabled pin of power supply chip that sets out.
The concrete operating principle of pure electric vehicle controller signal acquisition circuit described in the present embodiment are as follows: work as signal
When reception leg signal changes, after SW_INT becomes low level from high level, after triggering single-chip microcontroller, single-chip microcontroller SPI peripheral hardware is read
SPI_SW_SO pin data, detection receive signal.In entire car controller, when it is D grades that driver, which sets gear, triggering is received
Pin state changes, and SW_INT pin becomes high level from level, and triggering single-chip microcontroller reads spi bus data, reads driver
The information that gear is D grades is replaced, instrument and MCU are then sent the data to.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of pure electric vehicle controller signal acquisition circuit, it is characterised in that: including acquisition chip, the acquisition core
It is defeated that on piece is equipped with multiple high RST input terminals for acquiring high useful signal, multiple low signals for acquiring low useful signal
Enter end, multiple serial data bus connecting pins for being communicated with entire car controller and for receiving in entire car controller
The down trigger connecting pin of disconnected trigger signal.
2. pure electric vehicle controller signal acquisition circuit according to claim 1, it is characterised in that: the acquisition
It is additionally provided with the power supply chip that sets out for waking up Acquisition Circuit on chip and enables control terminal.
3. pure electric vehicle controller signal acquisition circuit according to claim 2, it is characterised in that: further include making
Energy resistance, the first end of the enabled resistance enable control terminal with the power supply chip that sets out and are electrically connected, the enabled resistance
Second end is electrically connected with the power supply of entire car controller.
4. pure electric vehicle controller signal acquisition circuit according to claim 3, it is characterised in that: further include leading to
Resistance is interrogated, the first end of the communication resistance is electrically connected with the serial data bus connecting pin, and the second of the communication resistance
End is electrically connected with the power supply of entire car controller.
5. pure electric vehicle controller signal acquisition circuit according to claim 4, it is characterised in that: the acquisition
Driving power input terminal is additionally provided on chip, the driving power input terminal is electrically connected with the driving power of entire car controller.
6. pure electric vehicle controller signal acquisition circuit according to claim 5, it is characterised in that: the chip
On be additionally provided with power supply input terminal, the power supply input terminal is electrically connected with the power supply of entire car controller.
7. pure electric vehicle controller signal acquisition circuit according to claim 6, it is characterised in that: in further including
Disconnected triggering resistance, the first end of the down trigger resistance are electrically connected with the down trigger connecting pin, the down trigger electricity
The second end of resistance is electrically connected with the power supply of entire car controller.
8. pure electric vehicle controller signal acquisition circuit according to claim 7, it is characterised in that: further include supplying
The first capacitor plate of electric filter capacitor, the power supply filter capacitor is electrically connected with the power supply of entire car controller, the power supply
Second capacitor plate earthing of filter capacitor.
9. pure electric vehicle controller signal acquisition circuit according to claim 8, it is characterised in that: further include driving
The first capacitor plate of dynamic filter capacitor, the driving filter capacitor is electrically connected with the driving power of entire car controller, the driving
Second capacitor plate earthing of filter capacitor.
10. pure electric vehicle controller signal acquisition circuit according to claim 9, it is characterised in that: described to adopt
Collect the model MC33975 of chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821937466.4U CN208834181U (en) | 2018-11-23 | 2018-11-23 | Pure electric vehicle controller signal acquisition circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821937466.4U CN208834181U (en) | 2018-11-23 | 2018-11-23 | Pure electric vehicle controller signal acquisition circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208834181U true CN208834181U (en) | 2019-05-07 |
Family
ID=66319271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821937466.4U Active CN208834181U (en) | 2018-11-23 | 2018-11-23 | Pure electric vehicle controller signal acquisition circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208834181U (en) |
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2018
- 2018-11-23 CN CN201821937466.4U patent/CN208834181U/en active Active
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