CN209086403U - A kind of brake switch detection circuit and vehicle - Google Patents
A kind of brake switch detection circuit and vehicle Download PDFInfo
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- CN209086403U CN209086403U CN201821716342.3U CN201821716342U CN209086403U CN 209086403 U CN209086403 U CN 209086403U CN 201821716342 U CN201821716342 U CN 201821716342U CN 209086403 U CN209086403 U CN 209086403U
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Abstract
The utility model provides a kind of brake switch detection circuit and vehicle, is related to vehicle electric technical field.Brake switch detection circuit includes: control module, switching switch and at least two gear circuits;Switching switch is for being connected to corresponding gear circuit according to the use state of brake pedal;The output end of control module is electrically connected with the side contact of switching switch, the other side of switching switch is provided at least two contacts, the other side contact of each switching switch is electrically connected with the input terminal in each gear circuit respectively, and the output end in each gear circuit is electrically connected with the input terminal of control module;The output end of control module is for exporting the first detection electric current, and the input terminal of control module is for receiving the second detection electric current;Control module is used to determine the line fault type between output end and input terminal according to the second detection electric current.The fault category that can be accurately judged in brake switch detection, and then driver is notified as early as possible, handling failure, improves efficiency as early as possible.
Description
Technical field
The utility model relates to vehicle electric technical fields, in particular to a kind of brake switch detection circuit and vehicle
?.
Background technique
Currently, automobile is in motion, due to being influenced by many burst sexual factors, the urgent feelings of brake failure can be encountered
Condition makes automobile out of hand.The case where for brake failure is when day commonly using vehicle in the prior art by manually going to check
Whether work with maintenance brake, and in the emergency for encountering brake failure, driver is urgent by taking measures
Hedging.Meanwhile the prior art, by artificial experience substep investigation failure, wastes the repair time when overhauling brake failure failure,
It is also possible to because artificial misjudgment, leaves security risk.
Utility model content
In order to overcome the deficiencies in the prior art described above, the utility model provides a kind of brake switch detection circuit and vehicle
?.
In order to solve the above-mentioned technical problem, the utility model embodiment first aspect provides a kind of brake switch detection circuit
The brake switch detection circuit includes: control module, switching switch and at least two gear circuits;The switching switch is used for
The corresponding gear circuit is connected to according to the use state of brake pedal;
The output end of the control module is electrically connected with the side contact of the switching switch, and the switching switchs another
Side is provided at least two contacts, the other side contact input with each gear circuit respectively of each switching switch
End electrical connection, the output end in each gear circuit are electrically connected with the input terminal of the control module;
The output end of the control module is for exporting the first detection electric current, and the input terminal of the control module is for receiving
Second detection electric current;The control module be used to be determined according to the second detection electric current the output end and the input terminal it
Between line fault type.
Optionally, when the brake pedal is not used, switching switch connection at least two gear circuit
First gear circuit, first gear circuit includes first resistor, and one end of the first resistor and switching switch are another
The first contact electrical connection at least two contacts of side, the input of the other end of the first resistor and the control module
End electrical connection.
Optionally, the resistance value of the first resistor is 1500 ohm.
Optionally, the first resistor includes at least two first sub- resistance, described two first sub- resistance series connection.
Optionally, the first resistor includes at least two first sub- resistance, described two first sub- resistor coupled in parallel.
Optionally, when using the brake pedal, the switching switch disconnects first gear circuit, the switching
The second gear circuit in switch connection at least two gear circuit, second gear circuit includes second resistance, described
One end of second resistance is electrically connected with the second contact at least two contacts of the switching switch other side, second electricity
The other end of resistance is electrically connected with the input terminal of the control module.
Optionally, the resistance value of the second resistance is 470 ohm.
The utility model embodiment second aspect provides a kind of vehicle, comprising: vehicle body is arranged on the vehicle body
There are brake pedal and Brake lamp;Such as the brake switch detection circuit of first embodiment of first aspect, the brake switch
Detection circuit is arranged on the vehicle body.
Optionally, when the brake pedal is not used, switching switch connection at least two gear circuit
First gear circuit, first gear circuit includes first resistor, and one end of the first resistor and switching switch are another
First contact of at least two contacts of side is electrically connected, the input terminal of the other end of the first resistor and the control module
Electrical connection.
Optionally, when using the brake pedal, the of switching switch connection at least two gear circuit
Two gear circuits, second gear circuit includes second resistance, and one end of the second resistance switchs another with the switching
Second contact of at least two contacts of side is electrically connected, the input terminal electricity of the other end of the second resistance and the control module
Connection.
In terms of existing technologies, the beneficial effects of the utility model include: the of the output end output of control module
One detection electric current, the first detection circuit flow through the different stalls circuit of switching switch connection, form the second different detection electric currents.
The input terminal of control module detects electric current according to different second are received, the failure that can be accurately judged in brake switch detection
Classification, and then driver is notified as early as possible, handling failure, improves efficiency as early as possible, excludes because the existing safety of artificial judgement is hidden
Suffer from.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, be cited below particularly the utility model compared with
Good embodiment, and cooperate appended attached drawing, it is described in detail below.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the circuit diagram of the first brake switch detection circuit provided by the embodiment of the utility model.
Fig. 2 is the circuit diagram in second gear circuit of switching switch connection provided by the embodiment of the utility model.
Fig. 3 is the circuit diagram of second of brake switch detection circuit provided by the embodiment of the utility model.
Fig. 4 is that circuit diagram is realized in the series connection of first resistor provided by the embodiment of the utility model.
Fig. 5 is that the in parallel of first resistor provided by the embodiment of the utility model realizes circuit diagram.
Icon: 100- control module;103- output end;105- input terminal;200- switching switch;300- first resistor;
The sub- resistance of 320- first;400- second resistance.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Obviously, described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be matched with a variety of different
It sets to arrange and design.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Reality based on the utility model
Apply example, those skilled in the art's every other embodiment obtained without making creative work belongs to
The range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " in ", "upper", "lower", "horizontal", "inner", "outside"
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings or the utility model product uses
When the orientation or positional relationship usually put, be merely for convenience of describing the present invention and simplifying the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as
Limitations of the present invention.In addition, term " first ", " second " etc. be only used for distinguish description, and should not be understood as instruction or
Imply relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is set
Set ", " 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.It can be directly connected, the indirect phase of intermediary can also be passed through
Even, it can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
With reference to the accompanying drawing, it elaborates to some embodiments of the utility model.In the absence of conflict, under
The feature in embodiment and embodiment stated can be combined with each other.
First embodiment
It please refers to shown in Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is the first brake switch provided by the embodiment of the utility model detection
The circuit diagram of circuit.Fig. 1 is also the circuit diagram for switching switch 200 and being connected to the first gear circuit.Fig. 2 is the utility model embodiment
The switching switch 200 of offer is connected to the circuit diagram in the second gear circuit.Fig. 3 is second provided by the embodiment of the utility model system
The circuit diagram of dynamic switch detection circuit.
Brake switch detection circuit includes: control module 100, switching switch 200 and at least two gear circuits;Switching is opened
200 are closed for being connected to corresponding gear circuit according to the use state of brake pedal.
The output end 103 of control module 100 is electrically connected with the side contact of switching switch 200, switches the another of switch 200
Side is provided at least two contacts, the other side contact of each switching switch 200 input terminal 105 with each gear circuit respectively
Electrical connection, the output end 103 in each gear circuit are electrically connected with the input terminal 105 of control module 100.
The output end 103 of control module 100 is used for for exporting the first detection electric current, the input terminal 105 of control module 100
Receive the second detection electric current;Control module 100 is used to be determined between output end 103 and input terminal 105 according to the second detection electric current
Line fault type.
Intelligible, when the other side contact for switching switch 200 is two, one of contact indicates OFF gear, separately
One contact indicates ON gear, i.e. switching switch 200 or connection OFF gear contact or connection ON gear contact.With OFF
The gear circuit of gear contact electrical connection is the first gear circuit, and the gear circuit being electrically connected with ON gear contact is the second gear
Circuit.
Specifically, the first gear circuit includes first resistor 300, one end and the switching switch 200 of first resistor 300
The electrical connection of OFF gear contact, the other end of first resistor 300 are electrically connected with the input terminal 105 of control module 100.Second gear
Circuit includes second resistance 400, and one end of second resistance 400 is electrically connected with the ON gear contact of switching switch 200, second resistance
400 other end is electrically connected with the input terminal 105 of control module 100.
Correspondingly, switching switch 200 is used to be connected to corresponding gear circuit according to the use state of brake pedal, because cutting
Switch 200 or connection OFF gear contact or connection ON gear contact are changed, so when switching switch 200 is connected to OFF gear
When contact, brake pedal can be corresponded to and be in unused state, i.e., no brake pedal does not need to carry out vehicle braking;
When switching the connection ON gear contact of switch 200, brake pedal can be corresponded to and be in use state, i.e. brake pedal, needed
Carry out vehicle braking.Similarly, when switch switch 200 be connected to OFF gear contact when, can correspond to brake pedal be in use shape
State;When switching the connection ON gear contact of switch 200, brake pedal can be corresponded to and be in unused state.
Therefore, a gear circuit is connected to according to switching switch 200 always, brake switch detection circuit is able to carry out always
Real-time detection, thus brake switch detection circuit can real-time detection find failure, and then notify driver as early as possible, locate as early as possible
Failure is managed, is improved efficiency, is excluded because artificial judge existing security risk.
It is intelligible, when the other side contact for switching switch 200 is three, wherein first contact is OFF gear, the
Two contacts are ON gear, and third contact is reserved gear.OFF gear contact is electrically connected the first gear circuit, and ON gear connects
The second gear circuit of point electrical connection, reserved gear contact can be equivalent to normally closed contact, and reserved gear contact can be designed to hang
Null circuit can also be designed to earthed circuit.
Correspondingly, switching switch 200 is used to be connected to corresponding gear circuit according to the use state of brake pedal, therefore,
When switching switch 200 is connected to reserved gear contact, brake pedal can be corresponded to and be in unused state, i.e., do not step on braking
Pedal does not need to carry out vehicle braking.When switching the connection OFF gear contact of switch 200, brake pedal can be corresponded to and be in light
The use state stepped on, i.e., in light brake-apply, brake switch detection circuit enters the first detecting state, i.e. brake switch is examined
Slowdown monitoring circuit is able to carry out the detection in the first gear circuit.When switching the connection ON gear contact of switch 200, braking can be corresponded to and stepped on
Plate is in the use state for carrying out vehicle braking, i.e., brake switch detection circuit enters the second detecting state, and is able to carry out
The detection in the second gear circuit.So as to switch between dormant state and detecting state, energy consumption section is on the one hand realized
Province, on the other hand, when switching switch 200 is connected to reserved gear contact, if the appearance short circuit of 100 output par, c of control module is different
Often, can effective protection the first gear circuit and the second gear circuit be not damaged, and the range of abnormal area can be limited,
It further avoids burning entire brake switch detection circuit, or even causes the consequence of vehicle spontaneous combustion.
It should be noted that those skilled in the art are in the specific implementation process, the circuit about reserved gear contact is set
Meter, needs to consider and avoid the case where circuit design is at bonding failure.Bonding failure refers in auto electric equipment route
In, the conducting wire (or contact) of non-bonding directly and frame contact, causes the phenomenon of power supply positive and negative anodes short circuit formed here.Bonding
Failure is equivalent to resistance of having connected in circuit, will lead to the working signal misalignment of control module 100, so that braking
Switch detection circuit can not be detected correctly, cannot be detected in time so as to cause when vehicle breaks down.It is serious to take
Iron failure can damage the battery and generator of vehicle, and burn out route and may cause vehicle spontaneous combustion.
Optionally, control module 100 can be BCM (body control module, car body control module).BCM conduct
One of most important controller of car body component, for include: signal light control, windscreen wiper control, power window control, remote-control anti-theft,
Centrally controrlled locking system control, instrument backlight control and power distribution.The BCM for being bound to vehicle electric framework can be required in reduction
While plug-in unit connection and core of a cable quantity, maximized reliability and economy are provided.
The first detection electric current that the output end 103 of control module 100 exports, the first detection circuit flow through switching switch 200
The different stalls circuit of connection forms the second different detection electric currents.The input terminal 105 of control module 100 is different according to receiving
The second detection electric current, the second detection electric current is compared with the detection electric current being set in advance in control module 100, can also
To be to be carried out according to the signal data state of the second detection electric current with the signal data state being set in advance in control module 100
Compare, judges the operating status of brake switch detection circuit for normal or exception.
When it is abnormal for judging the operating status of brake switch detection electric current, can further accurate judgement be braked
Line fault type in switch detection circuit is short circuit or opens a way.Control module 100 is according to line fault type, Ke Yixian
Show or transmit the malfunction coding of fault type description, matching can also be searched according to the fault type and be set in advance in BCM
Troubleshooting procedure, and can the troubleshooting procedure be shown or be transmitted.And then driver is notified as early as possible, it handles as early as possible
Failure improves efficiency, and excludes because artificial judge existing security risk.
For example, when the line fault type in brake switch detection circuit is the short circuit of brake switch detection circuit, control
Module 100 can show or transmit the brake switch detection circuit short circuit event according to brake switch detection circuit short trouble
The malfunction coding of barrier is 951B11, can also search and match and preset according to the brake switch detection circuit short trouble
Troubleshooting procedure in BCM is to check switching switch 200 and harness, and can show or transmit brake switch detection
The troubleshooting procedure of fault is the switching switch 200 and harness for detecting brake switch detection circuit.
In another example when the line fault type in brake switch detection circuit is that brake switch detection circuit is opened a way, control
Molding block 100 can show or transmit brake switch detection circuit open circuit according to brake switch detection circuit open-circuit fault
The malfunction coding of failure is 951B13, can also search and match and set in advance according to the brake switch detection circuit open-circuit fault
The troubleshooting procedure in BCM is set to check switching switch 200 and harness, and can show or transmit brake switch inspection
The troubleshooting procedure of slowdown monitoring circuit failure is the switching switch 200 and harness for detecting brake switch detection circuit.
Specifically, brake switch detection circuit needs to judge switching switch when the current value of the second detection electric current is 0
Whether 200 be connected to reserved gear contact, and brake switch detection circuit judges that harness is opened a way again;When the current value of the second detection electric current
When for infinity, brake switch detection circuit detects harness short circuit;When the current value of the second detection electric current is A, braking is opened
It closes detection circuit and detects that switching switch 200 is in OFF gear;When the current value of the second detection electric current is B, brake switch inspection
Slowdown monitoring circuit detects that switching switch 200 is in ON gear.Wherein, A, B are the current value of the second different detection electric current of numerical value, and
And current value A is less than current value B.
It is intelligible, to evade the electricity loss in conventional identification inspection, the first detection electric current that control module 100 exports
For pulsed (PWM, pulse width modulation) electric current, it is 1/51 that duty ratio, which can be set into, in pulse-type current, i.e.,
50ms (millisecond) can be spaced and send 1ms (millisecond) pulse-type current, detection electric current can be realized and reduce 50 times, pass through short
Every the pulse-type current of, small traffic volume, it can reach and check same detection effect with conventional identification, to reduce electricity consumption damage
Consumption;Also can be realized simultaneously can carry out one-time detection to brake switch detection circuit every 50ms.And then it notifies to drive as early as possible
Personnel, handling failure, improves efficiency as early as possible, excludes because artificial judge existing security risk.
Optionally, when the brake pedal is not used, the switching switch 200 is connected at least two gear circuit
The first gear circuit, first gear circuit includes first resistor 300, and one end of the first resistor 300 is cut with described
Change at least two contacts of 200 other side of switch the first contact electrical connection, the other end of the first resistor 300 with it is described
The input terminal 105 of control module 100 is electrically connected.
Optionally, the resistance value of the first resistor 300 is 1500 ohm.
Shown in referring to figure 4., Fig. 4 is that circuit diagram is realized in the series connection of first resistor 300 provided by the embodiment of the utility model.
The first resistor 300 includes at least two first sub- resistance 320, and described two first sub- resistance 320 are connected.
Shown in referring to figure 5., Fig. 5 is that the in parallel of first resistor 300 provided by the embodiment of the utility model realizes circuit diagram.
The first resistor 300 includes at least two first sub- resistance 320, and described two first sub- resistance 320 are in parallel.
Specifically, the resistance value of first the first sub- resistance 320 is 500 ohm, the resistance value of second the first sub- resistance 320
It is 1000 ohm, by the way that first the first sub- resistance 320 and second the first sub- resistance 320 are connected, so that first resistor 300
Resistance value be 1500 ohm.Also the first sub- resistance 320 that three resistance values are 500 ohm can be used to connect, so that first resistor
300 resistance value is 1500 ohm.In another example the parallel connection for the first sub- resistance 320 for being 3000 ohm by two resistance values, so that
The resistance value of first resistor 300 is 1500 ohm.Further for example, by the series-parallel of the first sub- resistance 320, so that first resistor 300
Resistance value be 1500 ohm.Further for example, adjustable resistance, such as sliding variable resistance can be used in certain possible modes implemented
Device or potentiometer, so that the resistance value of first resistor 300 is 1500 ohm.
Optionally, when using the brake pedal, the switching switch 200 disconnects first gear circuit, described
Switch the second gear circuit that switch 200 is connected at least two gear circuit, second gear circuit includes the second electricity
The second contact at least two contacts of resistance 400, one end of the second resistance 400 and switching 200 other side of switch
Electrical connection, the other end of the second resistance 400 are electrically connected with the input terminal 105 of the control module 100.
Optionally, the resistance value of the second resistance 400 is 470 ohm.
Specifically, second resistance 400 can be one 470 ohm of resistance, second resistance 400 also may include at least
Two the second sub- resistance, at least two second sub- resistance are by series and parallel, obtaining the second resistance 400 that resistance value is 470 ohm.
The resistance value of first the second sub- resistance is 200 ohm, and the resistance value of second the second sub- resistance is 270 ohm, is passed through
By first the second sub- resistance and second the second sub- resistance series connection, so that the resistance value of second resistance 400 is 470 ohm.It can also
Be respectively 400 ohm by resistance value, 50 ohm, 20 ohm of three the second sub- resistance by series connection so that second resistance 400
Resistance value is 470 ohm.In another example by the parallel connection of the second sub- resistance, so that the resistance value of second resistance 400 is 470 ohm.Also example
Such as, by the series-parallel of the second sub- resistance, so that the resistance value of second resistance 400 is 470 ohm.Further for example, certain possible real
In the mode applied, adjustable resistance, such as slide rheostat or potentiometer can be used, so that the resistance value of second resistance 400 is
470 ohm.
Intelligible, first resistor 300 is 1500 ohm and second resistance 400 is 470 ohm, can indicate two differences
The resistance of resistance value, to play the role of distinguishing the first detection electric current and the second detection electric current.In certain possible embodiment party
In case, first resistor 300 and second resistance 400 can select the resistance of different resistance values respectively, can distinguish first resistor 300
With second resistance 400, and the first gear circuit and second gear can also be distinguished according to first resistor 300 and second resistance 400
Position circuit.
Second embodiment
The present embodiment provides a kind of vehicles, comprising: vehicle body is provided with brake pedal and braking on the vehicle body
Lamp;Brake switch detection circuit in any one embodiment as in the first embodiment, the brake switch detection circuit
It is arranged on the vehicle body.
Brake switch detection circuit in second embodiment is identical as the brake switch detection circuit in first embodiment,
This is repeated no more.
Optionally, when the brake pedal is not used, the switching switch 200 is connected at least two gear circuit
The first gear circuit, first gear circuit includes first resistor 300, and one end of the first resistor 300 is cut with described
Change the first contact electrical connection of at least two contacts of 200 other side of switch, the other end of the first resistor 300 and the control
The input terminal 105 of molding block 100 is electrically connected.
Optionally, when using the brake pedal, the switching switch 200 is connected at least two gear circuit
Second gear circuit, second gear circuit include second resistance 400, one end of the second resistance 400 and the switching
Second contact of at least two contacts of 200 other side of switch is electrically connected, the other end of the second resistance 400 and the control
The input terminal 105 of module 100 is electrically connected.
The first detection electric current that the output end 103 of control module 100 exports, the first detection circuit flow through switching switch 200
The different stalls circuit of connection forms the second different detection electric currents.The input terminal 105 of control module 100 is different according to receiving
The second detection electric current, the fault category that can be accurately judged in brake switch detection and then notifies driver, to the greatest extent as early as possible
Fast handling failure, improves efficiency, and excludes because artificial judge existing security risk.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of brake switch detection circuit, which is characterized in that the brake switch detection circuit includes: control module, switching
Switch and at least two gear circuits;The switching switch is for being connected to the corresponding shelves according to the use state of brake pedal
Position circuit;
The output end of the control module is electrically connected with the side contact of the switching switch, and the other side of the switching switch is set
At least two contacts are equipped with, the other side contact of each switching switch is electric with the input terminal in each gear circuit respectively
Connection, the output end in each gear circuit are electrically connected with the input terminal of the control module;
The output end of the control module is for exporting the first detection electric current, and the input terminal of the control module is for receiving second
Detect electric current;The control module is used to be determined between the output end and the input terminal according to the second detection electric current
Line fault type.
2. brake switch detection circuit according to claim 1, which is characterized in that when the brake pedal is not used,
The first gear circuit in switching switch connection at least two gear circuit, first gear circuit include the first electricity
Resistance, one end of the first resistor are electrically connected with the first contact at least two contacts of the switching switch other side, institute
The other end for stating first resistor is electrically connected with the input terminal of the control module.
3. brake switch detection circuit according to claim 2, which is characterized in that the resistance value of the first resistor is 1500
Ohm.
4. brake switch detection circuit according to claim 3, which is characterized in that the first resistor includes at least two
First sub- resistance, described two first sub- resistance series connection.
5. brake switch detection circuit according to claim 3, which is characterized in that the first resistor includes at least two
First sub- resistance, described two first sub- resistor coupled in parallel.
6. brake switch detection circuit according to claim 2, which is characterized in that when using the brake pedal, institute
It states switching switch and disconnects first gear circuit, second gear in switching switch connection at least two gear circuit
Circuit, second gear circuit includes second resistance, and one end of the second resistance and the switching switch other side are extremely
The second contact electrical connection in few two contacts, the other end of the second resistance and the input terminal of the control module are electrically connected
It connects.
7. brake switch detection circuit according to claim 6, which is characterized in that the resistance value of the second resistance is 470
Ohm.
8. a kind of vehicle characterized by comprising
Vehicle body is provided with brake pedal and Brake lamp on the vehicle body;
Brake switch detection circuit according to claim 1, the brake switch detection circuit are arranged in the vehicle sheet
On body.
9. vehicle according to claim 8, which is characterized in that when the brake pedal is not used, the switching switch
It is connected to the first gear circuit at least two gear circuit, first gear circuit includes first resistor, and described first
One end of resistance is electrically connected with the first contact of at least two contacts of the switching switch other side, the first resistor it is another
One end is electrically connected with the input terminal of the control module.
10. vehicle according to claim 8, which is characterized in that when using the brake pedal, the switching switch connects
Lead to the second gear circuit at least two gear circuit, second gear circuit includes second resistance, second electricity
One end of resistance is electrically connected with the second contact of at least two contacts of the switching switch other side, the second resistance it is another
End is electrically connected with the input terminal of the control module.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821716342.3U CN209086403U (en) | 2018-10-23 | 2018-10-23 | A kind of brake switch detection circuit and vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821716342.3U CN209086403U (en) | 2018-10-23 | 2018-10-23 | A kind of brake switch detection circuit and vehicle |
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Publication Number | Publication Date |
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CN209086403U true CN209086403U (en) | 2019-07-09 |
Family
ID=67120296
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CN201821716342.3U Active CN209086403U (en) | 2018-10-23 | 2018-10-23 | A kind of brake switch detection circuit and vehicle |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112240975A (en) * | 2019-07-19 | 2021-01-19 | 矢崎总业株式会社 | Switch fault detection device |
-
2018
- 2018-10-23 CN CN201821716342.3U patent/CN209086403U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112240975A (en) * | 2019-07-19 | 2021-01-19 | 矢崎总业株式会社 | Switch fault detection device |
CN112240975B (en) * | 2019-07-19 | 2024-03-01 | 矢崎总业株式会社 | Switch fault detection device |
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