CN110281872A - Control circuit and controller of vehicle - Google Patents
Control circuit and controller of vehicle Download PDFInfo
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- CN110281872A CN110281872A CN201910385924.0A CN201910385924A CN110281872A CN 110281872 A CN110281872 A CN 110281872A CN 201910385924 A CN201910385924 A CN 201910385924A CN 110281872 A CN110281872 A CN 110281872A
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- vehicle
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- 238000001514 detection method Methods 0.000 claims abstract description 69
- 238000013461 design Methods 0.000 claims description 19
- 239000000470 constituent Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- FBDMJGHBCPNRGF-UHFFFAOYSA-M [OH-].[Li+].[O-2].[Mn+2] Chemical compound [OH-].[Li+].[O-2].[Mn+2] FBDMJGHBCPNRGF-UHFFFAOYSA-M 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 231100000225 lethality Toxicity 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- JFBZPFYRPYOZCQ-UHFFFAOYSA-N [Li].[Al] Chemical compound [Li].[Al] JFBZPFYRPYOZCQ-UHFFFAOYSA-N 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Lock And Its Accessories (AREA)
Abstract
The present invention relates to control circuits and controller of vehicle, control circuit includes key controller unit, disassemble detection unit and self-destruction power supply unit, it disassembles detection unit and self-destruction power supply unit is electrically connected, for detecting whether controller of vehicle is disassembled, when controller of vehicle is disassembled, dismantling detection unit is also used to generate self damaging order and is sent to self-destruction power supply unit, when receiving self damaging order, self-destruction power supply unit is also used to establish with key controller unit and be electrically connected, and target self-destruction signal is generated according to self damaging order and is sent to key controller unit, so that key controller unit carries out self-destruction, target self-destruction signal includes target self-destruction voltage signal or target self-destruction current signal.Above-mentioned control circuit and controller of vehicle so that when controller of vehicle is disassembled, key controller unit damage and vehicle is fail to open, can effective automatic antitheft, improve the safety of vehicle.
Description
Technical field
The present invention relates to mobile unit technical field more particularly to a kind of control circuit and controller of vehicle.
Background technique
Due to the development of science and technology, the multi-functional demand of mobile unit is also improved gradually, in general, is set applied to vehicle-mounted
Standby anti-theft device majority generates huge noise after touching car body, by buzzer to drive thief, however, working as buzzer quilt
After theft is taken out, thief can arbitrarily take the built-in equipment of car body away.
Summary of the invention
In view of the above problems, the purpose of the present invention is the deficiency to solve existing anti-theft device, a kind of control circuit is provided
And controller of vehicle.
To achieve the goals above, the present invention adopts the following technical scheme that:
Above-mentioned control circuit includes:
Key controller unit；
Detection unit is disassembled, is electrically connected with self-destruction power supply unit, for detecting whether controller of vehicle is disassembled,
When controller of vehicle is disassembled, dismantling detection unit generates self damaging order and is sent to self-destruction power supply unit；
When receiving self damaging order, self-destruction power supply unit is also used to establish with key controller unit and be electrically connected, and root
Target self-destruction signal is generated according to self damaging order and is sent to key controller unit, so that key controller unit carries out self-destruction, target
Self-destruction signal includes at least one of target self-destruction voltage signal and target self-destruction current signal.
In one embodiment, self-destruction power supply unit includes:
Self-destruction battery subelement, with dismantling detection unit be electrically connected, for receives dismantling detection unit send oneself
Order is ruined, initial self-destruction signal is generated according to self damaging order and is sent to boosting up-flow subelement, initial self-destruction signal includes just
It starts from and ruins at least one of voltage signal and initial self-destruction current signal, self-destruction battery subelement is using lithium-manganese dioxide electricity
Pond；
Boosting up-flow subelement, is electrically connected with self-destruction battery subelement, and when receiving initial self-destruction signal, boosting is risen
It flows subelement and also establishes electric connection with key controller unit, and boost to initial self-destruction voltage signal, generate target certainly
It ruins voltage signal and is sent to key controller unit so that key controller unit carries out self-destruction；And/or
Initial self-destruction current signal is flowed up, generate target self-destruction current signal and be sent to key controller unit with
Key controller unit is set to carry out self-destruction.
In one embodiment, key controller unit includes working battery circuit and key controller chip；
Working battery circuit is separately connected with central control unit and key controller chip；
Central control unit is powered key controller chip for controlling working battery circuit；
When self-destruction power supply unit generates target self-destruction signal, self-destruction power supply unit is also used to establish with working battery circuit
It is electrically connected, the target self-destruction signal that working battery circuit is also used to receive the transmission of self-destruction power supply unit carries out self-destruction.
In one embodiment, after working battery circuit carries out self-destruction, central control unit is also used to detect work electricity
Whether the output electric current of pond circuit is lower than pre-set current value, when the output electric current of working battery circuit is lower than pre-set current value,
Central control unit judges working battery circuit self-destruction success.
In one embodiment, key controller unit further includes low-frequency channel and normal open switch, and normal open switch is arranged low
Between frequency circuit and key controller chip, normal open switch is also connect with central control unit, and low-frequency channel is used for when center control
Vehicle is unlocked when unit control normal open switch closure.
In one embodiment, when self-destruction power supply unit generate self damaging order when, self-destruction power supply unit also with low-frequency channel
It establishes and is electrically connected, low-frequency channel is also used to receive the self-destruction signal of self-destruction power supply unit transmission to carry out self-destruction.
In one embodiment, after low-frequency channel carries out self-destruction, central control unit is also used to detect low-frequency channel
Whether output voltage and output electric current are located in corresponding default value range, when output voltage and output electric current point
When Wei Yu not be in corresponding default value range, central control unit determines low-frequency channel self-destruction success.
In addition, also providing a kind of controller of vehicle, including fixed device box inside the vehicle, and it is arranged above-mentioned
In device box such as above-mentioned control circuit.
In one embodiment, above-mentioned apparatus box uses rectangular housing.
In one embodiment, above-mentioned dismantling detection unit includes tamper detection protection circuit and dragon design detection protection electricity
Road, above-mentioned tamper detection protection circuit are set to four apex angles inside above-mentioned rectangular housing, above-mentioned dragon design detection protection circuit
Be set to six faces of above-mentioned rectangular housing, the tamper detection protection circuit and dragon design detection protection circuit respectively with it is described
Safe mould group is connected, and the safe mould group is connect with the self-destruction power supply unit.
Above-mentioned control circuit and controller of vehicle, control circuit include key controller unit, disassemble detection unit and oneself
Power supply unit is ruined, dismantling detection unit and self-destruction power supply unit are electrically connected, for detecting whether controller of vehicle is disassembled,
When controller of vehicle is disassembled, dismantling detection unit is also used to generate self damaging order and is sent to self-destruction power supply unit, when
When receiving self damaging order, self-destruction power supply unit is also used to establish with key controller unit and be electrically connected, and according to self damaging order
It generates target self-destruction signal and is sent to key controller unit, so that key controller unit carries out self-destruction, target self-destruction signal packet
At least one of target self-destruction voltage signal and target self-destruction current signal is included, so that when dismantling detection unit detects vehicle control
When device is disassembled, above-mentioned self-destruction power supply unit generates target self-destruction signal and damages key controller unit, and then key controller list
Member is damaged and is fail to open, once triggering physics self-destruction, can not restore above-mentioned control circuit, it is quick can not to obtain key controller unit
Feel information, it is necessary to return repair in shop reason, increase the safety of vehicle control, be effectively automatically prevented from theft.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, letter will be made to attached drawing needed in the embodiment below
It singly introduces, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as to the present invention
The restriction of protection scope.In various figures, part is similarly comprised using similar number.
Fig. 1 is the schematic block diagram of control circuit provided in an embodiment of the present invention；
Fig. 2 is the schematic internal setup block diagram of self-destruction power supply unit in the embodiment of the present invention；
Fig. 3 is the schematic internal setup block diagram of key controller unit in one embodiment of the invention；
Fig. 4 is the schematic internal setup block diagram of key controller unit in another embodiment of the present invention；
Fig. 5 is the circuit structure diagram that detection unit is disassembled in another embodiment of the present invention；
Fig. 6 is the structural schematic diagram of controller of vehicle in another embodiment of the present invention.
Specific embodiment
Hereinafter, the various embodiments of the disclosure will be described more fully.The disclosure can have various embodiments, and
It can adjust and change wherein.It should be understood, however, that: there is no the various embodiments of the disclosure are limited to spy disclosed herein
Determine the intention of embodiment, but the disclosure should be interpreted as in the spirit and scope for covering the various embodiments for falling into the disclosure
All adjustment, equivalent and/or optinal plan.
Hereinafter, can the term " includes " used in the various embodiments of the disclosure or " may include " instruction disclosed in
Function, operation or the presence of element, and do not limit the increase of one or more functions, operation or element.In addition, such as existing
Used in the various embodiments of the disclosure, term " includes ", " having " and its cognate are meant only to indicate special characteristic, number
Word, step, operation, the combination of element, component or aforementioned item, and be understood not to exclude first one or more other
Feature, number, step, operation, element, component or aforementioned item combined presence or increase one or more features, number,
Step, operation, element, component or aforementioned item combination a possibility that.
In the various embodiments of the disclosure, at least one of A or/and B are stated " it include appointing for the text listed file names with
What combination or all combinations.For example, statement " A or B " or " at least one of A or/and B " may include A, may include B or can wrap
Include A and B both.
The statement (" first ", " second " etc.) used in the various embodiments of the disclosure can be modified in various implementations
Various constituent element in example, but respective sets can not be limited into element.For example, the above statement is not intended to limit the suitable of the element
Sequence and/or importance.The above statement is only used for the purpose for differentiating an element and other elements.For example, the first user fills
It sets and indicates different user device with second user device, although the two is all user apparatus.For example, not departing from each of the disclosure
In the case where the range of kind embodiment, first element is referred to alternatively as second element, and similarly, second element is also referred to as first
Element.
It should also be noted that if a constituent element ' attach ' to another constituent element by description, it can be by the first composition member
Part is directly connected to the second constituent element, and " connection " third can form between the first constituent element and the second constituent element
Element.On the contrary, when a constituent element " being directly connected to " is arrived another constituent element, it will be appreciated that in the first constituent element
And second third constituent element is not present between constituent element.
The term used in the various embodiments of the disclosure " user " can be indicated using the people of electronic device or using electricity
The device (for example, artificial intelligence electronic device) of sub-device.
The term used in the various embodiments of the disclosure is used only for the purpose of describing specific embodiments and not anticipates
In the various embodiments of the limitation disclosure.As used herein, singular is intended to also include plural form, unless context is clear
Chu it is indicated otherwise.Unless otherwise defined, otherwise all terms (including technical terms and scientific terms) used herein have
There is meaning identical with the various normally understood meanings of embodiment one skilled in the art of the disclosure.The term
(term such as limited in the dictionary generally used) is to be interpreted as having and situational meaning in the related technical field
Identical meaning and it will be interpreted as having Utopian meaning or meaning too formal, unless in the various of the disclosure
It is clearly defined in embodiment.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.
Referring to Fig. 1, Fig. 1 is the schematic block diagram of control circuit provided in an embodiment of the present invention.As shown in Figure 1, should
Control circuit is applied on controller of vehicle, and control circuit 100 includes at least spoon control unit 110, dismantling detection unit 120
And self-destruction power supply unit 130.Key controller unit 110 and central control unit 140 are electrically connected, dismantling detection unit 120 with
Self-destruction power supply unit 130 is electrically connected, for detecting whether controller of vehicle is disassembled, when controller of vehicle is disassembled
When, dismantling detection unit 120 generates self damaging order and is sent to self-destruction power supply unit 130, when receiving self damaging order, self-destruction
Power supply unit 130 is also used to establish with key controller unit 110 and be electrically connected, and generates target self-destruction signal according to self damaging order
And it is sent to key controller unit 110, so that key controller unit 110 carries out self-destruction, target self-destruction signal includes target self-destruction
Voltage signal or target self-destruction current signal.
Wherein, controller of vehicle is generally located on car door, for example, handlebar nearby or car door mechanical key jack
Near, when controller of vehicle is not disassembled, dismantling detection unit 120 does not detect that dismantling acts, and does not have at this time
Self damaging order is generated, self-destruction power supply unit 130 is no and key controller unit 110 is established and is electrically connected, between the two in disconnected
Open state, key controller list can work normally.
Wherein, central control unit 140 generally use microcomputer control unit ((MicrocontrollerUnit, MCU), from
It ruins power supply unit 130 and generally includes high density high energy battery, be conducive to the reliability for enhancing self-destruction power supply unit 130, in turn
The reliability of entire control circuit 100 is improved on the whole.
Wherein, dismantling detection unit 120 is provided with corresponding detection protection circuit, when dismantling detection unit 120 is by outer
Power is destroyed or external force dismantling, and the circuit of detection protection at this time is immediately generated corresponding self damaging order, and is sent to self-destruction power supply list
Member 130, self-destruction power supply unit 130 is connect with key controller unit 110 by normal open switch S0, and self-destruction power supply unit 130 receives
After self damaging order, normal open switch S0 closure, self-destruction power supply unit 130 is established with key controller unit 110 and is electrically connected, root
Target self-destruction signal is generated according to self damaging order and is sent to key controller unit 110, and key controller unit 110 is according to target self-destruction
Signal carries out self-destruction, and target self-destruction signal includes at least one of target self-destruction voltage signal and target self-destruction current signal.
In one embodiment, normal open switch S0 is switched using the PhotoMOS type semiconductor relay of Panasonic, should
Relay switch superior performance, reaction movement are very fast.
In one embodiment, as shown in Fig. 2, self-destruction power supply unit 130 includes that self-destruction battery subelement 132 and boosting rise
Subelement 134 is flowed, self-destruction battery subelement 132 is electrically connected with dismantling detection unit 120, receives dismantling detection unit 120
After the self damaging order of transmission, initial self-destruction signal is generated according to self damaging order, it is single to be then further sent to boosting up-flow
Member 134, wherein initial self-destruction signal includes at least one of initial self-destruction voltage signal and initial self-destruction current signal.
Boosting up-flow subelement 134 and self-destruction battery subelement 132 are electrically connected, boosting up-flow subelement 134 and key
It can be connected by normal open switch between control unit 110, when receiving initial self-destruction signal, normal open switch closure, boosting is risen
It flows subelement 134 and key controller unit 110 is established and is electrically connected, wherein the setting of normal open switch can have multiple.
Wherein, boosting up-flow subelement 134 and key controller unit 110 are established after electric connection, further to initial
Self-destruction voltage signal boosts, and generates target self-destruction voltage signal and is sent to key controller unit 110 so that key controller
Unit 110 carries out self-destruction；And/or
Initial self-destruction current signal is flowed up, target self-destruction current signal is generated and is sent to key controller unit
110 so that key controller unit 110 carries out self-destruction.
By the mutual cooperation of boosting up-flow subelement 134 and self-destruction battery subelement 132, can improve on the whole certainly
Ruin the size of the self-destruction signal of the output of power supply unit 130, such as the size of self-destruction voltage signal and self-destruction current signal, Jin Erti
The lethality of self-destruction power supply unit 130 is risen, so that it is guaranteed that the self-destruction signal that self-destruction power supply unit 130 is sent can be to key controlled
Unit 110 processed is destroyed.
It wherein, is the whole lethality for enhancing self-destruction power supply, self-destruction battery subelement 132 generallys use cylindrical lithium two
Manganese oxide battery, lithium manganese dioxide cell have unique sealing structure and improved conductive structure, use lithium-aluminium alloy as
Negative electrode material, to realize stable discharging, high reliability makes it be highly suitable as safety equipment, wherein lithium manganese dioxide cell
With 10 years long-term reliabilities, and there is brilliant low-temperature characteristics performance.
In one embodiment, as shown in figure 3, key controller unit 110 includes working battery circuit 112 and key controller
Chip 114, wherein working battery circuit 112 is separately connected with central control unit 140 and key controller chip 114, center control
Unit 140 processed is powered key controller chip 114 for controlling working battery circuit 112.
Wherein, working battery circuit 112 generallys use the Low electrical source design circuit of 5V or so, key controller chip 114
Using automobile intelligent remote-controlled chip NCF2951.
Optionally, working battery circuit 112 is established by one normal open switch S1 of setting and self-destruction power supply unit 130 and is connected
Connect, when self-destruction power supply unit 130 generates self-destruction signal, normal open switch S1 closure, corresponding working battery circuit 112 with from
It ruins power supply unit 130 and establishes electric connection, receive the self-destruction signal of the transmission of self-destruction power supply unit 130 to carry out self-destruction.
When self-destruction power supply unit 130 does not generate self-destruction signal, normal open switch S1, which is in, disconnects transition, central at this time
Control unit 140 controls working battery circuit 112 and is normally powered for key controller chip 114.
In one embodiment, after working battery circuit 112 carries out self-destruction, central control unit 140 is also used to detect
Whether the output electric current of working battery circuit 112 is lower than pre-set current value, when the output electric current of working battery circuit 112 is lower than pre-
If when current value, central control unit 140 judges the self-destruction of working battery circuit 112 success.
Wherein it is possible to ammeter is connected between working battery circuit 112 and self-destruction power supply unit 130, center control
Unit 140 can judge whether the output electric current of working battery circuit 112 is low and then the specific reading for obtaining the ammeter
In pre-set current value.
Wherein, above-mentioned pre-set current value is usually to be set as 5mA, when whether the output electric current of working battery circuit 112 is low
In 5mA, central control unit 140 can determine whether the self-destruction of working battery circuit 112 success.
When self-destruction power supply unit 130 generates self-destruction signal, normal open switch S1 is controlled by central control unit 140 and is closed
It closes, corresponding working battery circuit 112 is established with self-destruction power supply unit 130 to be electrically connected, and is received self-destruction power supply unit 130 and is sent
Self-destruction signal to carry out self-destruction so that the high-frequency communication Starting mode of vehicle is damaged, theft can be effectively automatically prevented from, into one
Step improves the safety of controller of vehicle control.
In one embodiment, as shown in figure 4, key controller unit 110 further includes low-frequency channel 128, normal open switch S2
It is arranged between low-frequency channel 126 and key controller chip 114, normal open switch S2 is also controlled by central control unit 140, in the middle
When control unit 140 being entreated to control normal open switch S2 closure, low-frequency channel 128 is connect with key controller chip 114, at this time key controlled
Coremaking piece 114 is in and is waken up state, normal operating conditions is in, to further unlock vehicle.
For example, corresponding master control device and identification authentication device are provided in vehicle doorn, master control device and identification certification dress
It sets and is connected, master control device is also connected with the central control unit 140 in control circuit 100, when user is authenticated by car door
After identification device certification, master control device generates the central control unit that confirmation is ordered and is sent in control circuit 100 at this time
140, central control unit 140 controls normal open switch S2 according to above-mentioned confirmation order and is closed, and low-frequency channel starts to connect key controlled
Unit 110 processed, key controller unit 110 start, and normal operating conditions are in, to further unlock vehicle.
In one embodiment, car door certification identification device uses face identification device.
In one embodiment, as shown in figure 4, when self-destruction power supply unit 130 generates self damaging order, self-destruction power supply unit
130 also with low-frequency channel 126 establish be electrically connected, receive self-destruction power supply unit 130 send self-destruction signal to carry out self-destruction, this
When vehicle near field unlocking manner failure, can effectively be automatically prevented from theft, further improve controller of vehicle control
Safety.
Wherein, it is connected between self-destruction power supply unit 130 and low-frequency channel 126 by normal open switch S3, self-destruction power supply unit
130 when not receiving self damaging order, and normal open switch S3 is in normally open.
In one embodiment, after low-frequency channel 126 carries out self-destruction, central control unit 140 is also used to detect low frequency
Whether the output voltage of circuit 126 and output electric current are located in corresponding default value range, when output voltage and
When exporting electric current respectively while being located in corresponding default value range, central control unit 140 determines low-frequency channel 126
The success of self-destruction.
Wherein, the output voltage of above-mentioned low-frequency channel 126 and the output corresponding default value range of electric current can bases
Actual conditions are set, for example, the output voltage range of low-frequency channel 126 is set as [0,0.6V], low-frequency channel 126 it is defeated
Electric current [0,0.1A] out takes when the output voltage and output electric current of low-frequency channel 126 are located at above-mentioned corresponding preset
When being worth range, central control unit 140 can be determined that the above-mentioned self-destruction of low-frequency channel 126 success, and automobile near field starts at this time
Mode fails.
Self damaging order is generated by above-mentioned self-destruction power supply unit 130, low-frequency channel 126 and self-destruction power supply unit 130 are established
It is electrically connected, further receives the self-destruction signal of the transmission of self-destruction power supply unit 130 to carry out self-destruction, so that the near field of vehicle
Starting mode failure, effectively improves the safety of controller of vehicle control.
In addition, also providing a kind of controller of vehicle, including fixed device box inside the vehicle, and it is arranged above-mentioned
In device box such as above-mentioned control circuit 100.
In one embodiment, above-mentioned apparatus box uses rectangular housing.
In one embodiment, as shown in figure 5, controller of vehicle 200, is provided with dismantling detection unit 120, the dismantling
Detection unit 120 includes tamper detection protection circuit 122, dragon design detection protection circuit 124 and safe mould group 126, tamper detection
Protection circuit 122 is set to four apex angles inside rectangular housing, and dragon design detection protection circuit 124 is set to the six of rectangular housing
Face, tamper detection protection circuit 122 and dragon design detection protection circuit 124 are connected with safe mould group 126 respectively, safe mould group
126 connect with self-destruction power supply unit 130.
Wherein, there is faint electricity in tamper detection protection circuit 122 and dragon design detection protection circuit 124 in normal state
Stream, when above-mentioned controller of vehicle 200 is disassembled by the external world, tamper detection protection circuit 122 and dragon design detection protection circuit
124 respective circuital current changes, and safe mould group 126 detects the variation, just automatically generates self damaging order and is sent to
Self-destruction power supply unit 130.
Wherein, to save cost, tamper detection protection circuit 122 and dragon design detection protection circuit 124 can connect
Connection setting.
Wherein, in practice, the one side in six faces with the circuit board where control circuit 100 due to being in contact, Ke Yizhi
Dragon design detection protection circuit 124 will be arranged on the face by connecing.
Wherein, as shown in fig. 6, tamper detection protection circuit 122 and the dragon design detection protection series connection of circuit 124 set connection, and
It is connected respectively with safe mould group 126, wherein safe mould group setting 126 passes through general I/O interface (GPIO interface) and self-destruction electricity
Source unit 130 connects, and is connect by serial ports with central control unit 140.
Wherein, tamper detection protection circuit 122 is only depicted to illustrate convenient for simple displaying, in Fig. 5 and dragon design detection is protected
A part of protection circuit 124.
Wherein, dragon design detection protection circuit 124 refers to the circuit having compared with hachure textural shape, the line under normal condition
It manages and usually there is faint electric current in the circuit of shape, dragon design detection protection circuit 124 is external around breaking-proof switch for detecting
It is attacked with the presence or absence of cutting drilling, each plane of controller of vehicle 200 is set, when controller of vehicle 200 is each flat
When face has drilling attack, dragon design detection protection circuit 124 necessarily detects faint curent change (current reduction), will pass through
GPIO mouthfuls of generation self damaging orders are sent to self-destruction power supply unit 130, are then further processed.
Equally, the apex angle vicinity of controller of vehicle 200 is mainly arranged in tamper detection protection electricity, when box is beaten
It opens when unloading, tamper detection protection circuit 122 is necessarily able to detect that corresponding faint variation, passes through GIPO interface and gives birth to
At self damaging order, it is then forwarded to self-destruction power supply unit 130, is then further processed.
Tamper detection protection circuit 122 for detecting whether controller of vehicle 200 by the turn of the screw tears shell open, protect by tamper detection
After protection circuit 122 is installed, the disposable programming of corresponding control program is finished, and does not stay maintenance interface, is not allowed in modification and upgrading,
Tamper is detected protection circuit 122 to be arranged in four apex angles, and dragon design is detected into protection circuit 124 and is arranged in controller of vehicle
Six planes of 200 rectangular housing provide comprehensive detection protection for controller of vehicle 200, can effectively prevent boring
Hole attack and cutting improve the detectability for disassembling detection unit 120 in entire controller of vehicle 200, and then improve
The whole self-protection ability of controller of vehicle 200.
Above-mentioned control circuit 100 and controller of vehicle 200, so that when dismantling detection unit 120 detects vehicle control dress
When setting 200 and being disassembled, above-mentioned self-destruction power supply unit 130 generates target self-destruction signal and damages key controller unit 110, and then key
Control unit 110 is damaged and is fail to open, once triggering physics self-destruction, can not restore above-mentioned control circuit 100, can not obtain key
Spoon 110 sensitive information of control unit, it is necessary to return repair in shop reason, effectively be automatically prevented from theft, increase the safety of vehicle control.
In several embodiments provided herein, it should be understood that disclosed device and method can also pass through
Other modes are realized.The apparatus embodiments described above are merely exemplary, for example, flow chart and structure in attached drawing
Figure shows the system frame in the cards of the device of multiple embodiments according to the present invention, method and computer program product
Structure, function and operation.In this regard, each box in flowchart or block diagram can represent a unit, program segment or code
A part, a part of the unit, program segment or code includes one or more for implementing the specified logical function
Executable instruction.It should also be noted that function marked in the box can also be to be different from the implementation as replacement
The sequence marked in attached drawing occurs.For example, two continuous boxes can actually be basically executed in parallel, they are sometimes
It can execute in the opposite order, this depends on the function involved.It is also noted that in structure chart and/or flow chart
The combination of each box and the box in structure chart and/or flow chart, can function or movement as defined in executing it is dedicated
Hardware based system realize, or can realize using a combination of dedicated hardware and computer instructions.
In addition, each functional unit or unit in each embodiment of the present invention can integrate one independence of formation together
Part, be also possible to each unit individualism, an independent part can also be integrated to form with two or more units.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.
Claims (10)
1. a kind of control circuit, it is applied to controller of vehicle, which is characterized in that the control circuit includes:
Key controller unit；
Detection unit is disassembled, is electrically connected with self-destruction power supply unit, for detecting whether the controller of vehicle is disassembled,
When the controller of vehicle is disassembled, the dismantling detection unit is also used to generate self damaging order and is sent to the self-destruction
Power supply unit；
When receiving the self damaging order, the self-destruction power supply unit, which is used to establish with the key controller unit, electrically to be connected
It connects, and target self-destruction signal is generated according to the self damaging order and is sent to the key controller unit, so that the key controlled
Unit processed carries out self-destruction, the target self-destruction signal include in target self-destruction voltage signal and target self-destruction current signal at least
It is a kind of.
2. control circuit according to claim 1, which is characterized in that the self-destruction power supply unit includes:
Self-destruction battery subelement is electrically connected with the dismantling detection unit, sends for receiving the dismantling detection unit
Self damaging order, initial self-destruction signal is generated according to the self damaging order and is sent to boosting up-flow subelement, it is described just to start from
Ruining signal includes at least one of initial self-destruction voltage signal and initial self-destruction current signal；
Boosting up-flow subelement and the self-destruction battery subelement are electrically connected, when receiving the initial self-destruction signal
When, the boosting up-flow subelement, which is also established with the key controller unit, to be electrically connected, and is believed the initial self-destruction voltage
Number boost, generate target self-destruction voltage signal and be sent to the key controller unit so that the key controller unit into
Row self-destruction；And/or
The initial self-destruction current signal is flowed up, target self-destruction current signal is generated and is sent to the key controller list
Member is so that the key controller unit carries out self-destruction.
3. control circuit according to claim 1, which is characterized in that the control circuit further includes central control unit,
The key controller unit is connected with the central control unit, and the key controller unit includes working battery circuit and key
Spoon control chip；
The working battery circuit is separately connected with the central control unit and the key controller chip；
The central control unit is powered the key controller chip for controlling the working battery circuit；
When the self-destruction power supply unit generate the target self-destruction signal when, the self-destruction power supply unit also with the working battery
Circuit, which is established, to be electrically connected, and the working battery circuit is also used to receive the target self-destruction signal that the self-destruction power supply unit is sent
Carry out self-destruction.
4. control circuit according to claim 3, which is characterized in that after the working battery circuit carries out self-destruction, institute
It states central control unit and is also used to detect the output electric current of the working battery circuit and whether be lower than pre-set current value, when the work
When making the output electric current of battery circuit lower than the pre-set current value, the central control unit judges the working battery circuit
The success of self-destruction.
5. control circuit according to claim 3, which is characterized in that the key controller unit further include low-frequency channel and
Normal open switch, the normal open switch are arranged between the low-frequency channel and the key controller chip, and the normal open switch is also
It is connect with the central control unit, the low-frequency channel is used to control the normal open switch closure when the central control unit
When near field unlock vehicle.
6. control circuit according to claim 5, which is characterized in that when the self-destruction power supply unit generates the self-destruction life
When enabling, the self-destruction power supply unit is also established with the low-frequency channel and is electrically connected, and the low-frequency channel is also used to receive described
The self-destruction signal that self-destruction power supply unit is sent is to carry out self-destruction.
7. control circuit according to claim 6, which is characterized in that the low-frequency channel carry out self-destruction after, it is described in
Centre control unit be also used to detect the low-frequency channel output voltage and output electric current whether be located at it is corresponding pre-
If in value range, when the output voltage and the output electric current are located in corresponding default value range,
The central control unit determines the low-frequency channel self-destruction success.
8. a kind of controller of vehicle, which is characterized in that including fixed device box inside the vehicle, and be arranged in the dress
Set the control circuit as described in any one of claim 1-7 in box.
9. controller of vehicle according to claim 8, described device box uses rectangular housing.
10. controller of vehicle according to claim 9, the dismantling detection unit include tamper detection protection circuit,
Dragon design detection protection circuit and safe mould group, the tamper detection protection circuit are set to four tops inside the rectangular housing
Angle, the dragon design detection protection circuit are set to six faces of the rectangular housing, the tamper detection protection circuit and the dragon
Line detection protection circuit is connected with the safe mould group respectively, and the safe mould group is connect with the self-destruction power supply unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910385924.0A CN110281872B (en) | 2019-05-09 | 2019-05-09 | Control circuit and vehicle control device |
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|---|---|---|---|
| CN201910385924.0A CN110281872B (en) | 2019-05-09 | 2019-05-09 | Control circuit and vehicle control device |
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| CN110281872B CN110281872B (en) | 2024-07-12 |
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| Publication number | Publication date |
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| CN110281872B (en) | 2024-07-12 |
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