CN209560043U - A kind of self-resetting switch detection device and vehicle - Google Patents
A kind of self-resetting switch detection device and vehicle Download PDFInfo
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- CN209560043U CN209560043U CN201821713549.5U CN201821713549U CN209560043U CN 209560043 U CN209560043 U CN 209560043U CN 201821713549 U CN201821713549 U CN 201821713549U CN 209560043 U CN209560043 U CN 209560043U
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- 238000004378 air conditioning Methods 0.000 description 2
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- 238000005265 energy consumption Methods 0.000 description 2
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- 238000012544 monitoring process Methods 0.000 description 2
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Abstract
It includes: switching circuit and controller that the utility model, which provides a kind of self-resetting switch detection device and vehicle, device, and one end of the switching circuit is connect with the input terminal of the controller, and the other end of the switching circuit is connect with the output end of the controller；The switching circuit includes first resistor, second resistance and switch, and the first resistor is in parallel with the second resistance, and the switch is connected with the first resistor, and the switch is in parallel with the second resistance.Detection resistance will be added in self-resetting switch device, electric current is formed after car body controller to reserved self-resetting switch using the complete loops of car body controller are back to after detection resistance, and open circuit, short circuit occur in car body controller and the circuit and switchs can be identified by car body controller in any position no matter reaching all control system and circulating through.
Description
Technical field
The utility model relates to technical field of transportation means, in particular to a kind of self-resetting switch detection device and
Vehicle.
Background technique
With the development of the social economy, automobile has become the requirement in for people's lives, the various functions of automobile are also continuous
Increase, self-resetting switch is exactly indispensable a part in vehicle control switch.As China's passenger car technology is increasingly mature,
BCM (car body controller, hereinafter using abbreviation) is widely used on passenger car, but the BCM application of commercial vehicle is still seldom,
One, it is different from passenger car communications protocol, commercial vehicle engine ECU (control unit of engine, hereinafter using abbreviation) majority follows
SAE-J1939 communications protocol, there are the differences of communications protocol with conventional BCM；Second, the design function of BCM is only used to realize
Car control, not up to electrical circuit (especially control loop open circuit monitoring) monitoring purpose.Existing automobile self-resetting switch
Open circuit is unable to intuitive judgment failure cause after occurring.
Utility model content
In order to overcome the deficiencies in the prior art described above, the utility model provides a kind of self-resetting switch detection device and vehicle
, to solve the above problems.
To achieve the goals above, technical solution provided by the utility model preferred embodiment is as follows:
In a first aspect, the utility model preferred embodiment provides a kind of self-resetting switch detection device, comprising: switching circuit
And controller, one end of the switching circuit are connect with the input terminal of the controller, the other end of the switching circuit and institute
State the output end connection of controller；The switching circuit includes first resistor, second resistance and switch, the first resistor with
The second resistance is in parallel, and the switch is connected with the first resistor, and the switch is in parallel with the second resistance.
Detection resistance will be added in self-resetting switch device, electric current is formed after car body controller to reserved self-resetting switch again
The complete loops of car body controller are back to after resistance after testing, reaches all control system and circulates through car body controller and be somebody's turn to do
No matter open circuit, short circuit and switch occur in circuit can be identified in any position by car body controller.
Optionally, the controller further includes A/D conversion circuit, the output end and the switch of the A/D conversion circuit
One end of circuit connects.
A/D conversion circuit quantifies the amount of analog quantity or consecutive variations, is converted to the circuit of corresponding digital quantity.
Optionally, the controller further includes equipment, one end far from the A/D conversion circuit of the switching circuit
It is connect with the equipment.
It is set in vehicle control device to equipment, can connect to equipment other circuits.
Optionally, the resistance value of first detection resistance is 820 ohm.
First detection resistance is connected with the circuit that switches on, and the resistance for selecting resistance value to be 820 ohm can be more preferable
Detection electric current.
Optionally, the resistance value of second detection resistance is 820 ohm.
Second detection resistance is connected with the closing circuit of the switch, and the resistance for selecting resistance value to be 820 ohm can be more preferable
Detection electric current.
Second aspect, the utility model preferred embodiment provide a kind of vehicle, comprising: Self-resetting as described in relation to the first aspect
Closing detecting apparatus and vehicle body, the self-resetting switch detection device are arranged in the vehicle body.
It is provided with self-resetting switch detection device in vehicle body, detection resistance will be added in self-resetting switch device, electricity
Stream is formed after car body controller to reserved self-resetting switch using the complete loops for being back to car body controller after detection resistance, is reached
Open circuit, short circuit and switch occur in car body controller and the circuit in any position no matter circulating through to all control system
It can be identified by car body controller.
Optionally, self-resetting switch detection device is set in the vehicle body；In the self-resetting switch detection device
The controller further include A/D conversion circuit, one end of the output end of the A/D conversion circuit and the switching circuit connects
It connects.
The self-resetting switch detection device being arranged in vehicle body is provided with A/D conversion circuit, by analog quantity or continuous change
The amount of change is quantified, and the circuit of corresponding digital quantity is converted to.
Optionally, self-resetting switch detection device is set in the vehicle body；In the self-resetting switch detection device
The controller further includes equipment, one end far from the A/D conversion circuit of the switching circuit and the equipment even
It connects.
The self-resetting switch detection device being arranged in vehicle body with being provided with equipment and is set in vehicle control device, if
It can connect other circuits standbyly.
Optionally, self-resetting switch detection device is set in the vehicle body；In the self-resetting switch detection device
The resistance value of first detection resistance is 820 ohm.
The self-resetting switch detection device being arranged in vehicle body is provided with the first detection resistance, and the first detection resistance with
The circuit that switches on is connected, and selecting resistance value is that 820 ohm of resistance can preferably detect electric current.
Optionally, self-resetting switch detection device is set in the vehicle body；In the self-resetting switch detection device
The resistance value of second detection resistance is 820 ohm.
The self-resetting switch detection device being arranged in vehicle body is provided with the second detection resistance, and the second detection resistance with
The circuit that switches on is connected, and selecting resistance value is that 820 ohm of resistance can preferably detect electric current.
By adopting the above-described technical solution, the utility model has the following beneficial effects: the utility model realizes complete quotient
It with vehicle air-conditioning system electrical equipment control, detects, and has and backlight regulating device route is included in detection range ability, reapply comparison
Mode carries out stringent fault information analysis diagnosis, makes micro-judgment, line-by-line of the sightless circuit appliance failure by script
Road, which speculates, to be checked, visual information is converted into, and is provided valid data for vehicle maintenance, information collection and is supported, realizes fault inquiry, dimension
Repair summary, intuitiveization.
Other advantages, target and feature of the utility model will be explained in the following description to a certain extent
It states, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or
Person can be instructed from the practice of the utility model.The target of the utility model and other advantages can be said by following
Bright book and claims are achieved and obtained.
The application can satisfy drilling processing while to knuckle left and right symmetrical part in use, while have technique first
Into, positioning accuracy high, firm position and it is high in machining efficiency outstanding advantages of.
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 self-resetting switch detection device and vehicle schematic diagram that the utility model preferred embodiment provides；
Fig. 2 is the self-resetting switch detection device and vehicle schematic diagram that the utility model preferred embodiment provides；
Fig. 3 is the self-resetting switch detection device and vehicle schematic diagram that the utility model preferred embodiment provides；
Fig. 4 is the self-resetting switch detection device and vehicle schematic diagram that the utility model preferred embodiment provides.
Icon: 100- switching circuit；110- switch；111- button switch；The first detection resistance of 120-；130- second is detected
Resistance；140- third detection resistance；The 4th detection resistance of 150-；The second button switch of 160-；200- controller；210-A/D turns
Change circuit；220- equipment；The first A/D conversion circuit of 230-；The 2nd A/D conversion circuit of 240-；300- first set Self-resetting is opened
It closes；Second set of self-resetting switch of 400-；500- first line；The second route of 600-.
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.
Fig. 1 is please referred to, Fig. 1 is the self-resetting switch detection device that the utility model preferred embodiment provides and vehicle signal
Figure, is that the utility model preferred embodiment provides a kind of self-resetting switch detection device, comprising: switching circuit 100 and controller
200, one end of the switching circuit 100 is connect with the input terminal of the controller 200, the other end of the switching circuit 100
It is connect with the output end of the controller 200；The switching circuit 100 includes first resistor, second resistance and switch, described
First resistor is in parallel with the second resistance, and the switch is connected with the first resistor, and described 110 and the second resistance
It is in parallel.
110 in switching circuit 100 provided by the present embodiment be button switch 111, and button switch 111 is set to unlatching
In circuit, the flow direction of electric current is to flow to button switch 111 from controller 200, if button switch 111 is not pressed i.e. in closing
When state, electric current, which only flows to, closes circuit, by the second detection resistance 130, then passes through the output end of vehicle control device 200,
With eventually arriving at equipment 220；If button switch 111 is in the open state, electric current by unlatching circuit and closes circuit simultaneously,
Through passing through the first detection resistance 120 and the second detection resistance 130 respectively, then pass through the output end of vehicle control device 200, finally
Reach equipment 220.Detection resistance will be added in self-resetting switch device, electric current forms car body controller 200 to reserved runback
Using the complete loops for being back to car body controller 200 after detection resistance after bit switch, reaches all control system and circulate through
It can be by car body controller 200 in any position no matter open circuit, short circuit and switch occur in car body controller 200 and the circuit
Identification.
Referring to figure 2., Fig. 2 is the self-resetting switch detection device and vehicle signal that the utility model preferred embodiment provides
Figure, is that the utility model preferred embodiment provides a kind of self-resetting switch detection device, comprising: controller 200 and switching circuit
100, switching circuit 100 is passed through pulse-type current.The input terminal of one end of the switching circuit 100 and the controller 200 connects
It connects, the other end of the switching circuit 100 is connect with the output end of the controller 200；The switching circuit 100 includes first
Resistance, second resistance and 110, the first resistor is in parallel with the second resistance, described 110 with the first resistor string
Connection, and described 110 is in parallel with the second resistance.
Detection resistance provided by the present embodiment is 820 ohm, and 110 in switching circuit 100 be button switch
111, controller 200 further includes A/D conversion circuit, the output end of the A/D conversion circuit 210 and the switching circuit 100
One end connection.The controller 200 further include equipment 220, the switching circuit 100 far from the A/D conversion circuit 210
One end with the equipment 220 connect.The flow direction of electric current is to flow to button switch 111 from controller 200, if button switch
111 do not press when being in close state, and electric current, which only flows to, closes circuit and then pass through vehicle by the second detection resistance 130
The output end of controller 200, with eventually arriving at equipment 220；If button switch 111 is in the open state, electric current passes through simultaneously
It opens circuit and closes circuit, through passing through the first detection resistance 120 and the second detection resistance 130 respectively, then pass through vehicle control
The output end of device 200 processed, with eventually arriving at equipment 220.Detection resistance will be added in self-resetting switch device, electric current forms vehicle body
Using the complete loops for being back to car body controller 200 after detection resistance after controller 200 to reserved self-resetting switch, reach complete
No matter it is equal in any position that portion's control system circulates through generation open circuit, short circuit and 110 in car body controller 200 and the circuit
It can be identified by car body controller 200.To evade the electricity loss in conventional identification inspection, resistance when being in the normal state using increasing switch
Be worth and use pulse-type current (interval 50ms sends 1ms detection electric current may be implemented and reduces 50 times, i.e. under 110 closed states,
Electric current 0.2mA, accuracy of identification 50ms are detected in one circuit, and 110 amounts high to required precision can be real by short interval, small traffic volume
Existing same energy consumption: interval 20ms sends 0.4ms) it carries out, while partial sleep state is used for vehicle electrical appliance applicable cases,
To be able to achieve energy consumption saving, such as vehicle restriction state, key insert state, vehicle running state are separately turned on different detections
Content.
Referring to figure 3., Fig. 3 is the self-resetting switch detection device and vehicle signal that the utility model preferred embodiment provides
Figure, is that the utility model preferred embodiment provides a kind of self-resetting switch detection device, comprising: first set self-resetting switch 300,
Second set of self-resetting switch 400 and controller 200.
Controller 200 includes output end and first input end, and the second input terminal, the first output end and the first A/D conversion are electric
Road 230 connects, and second output terminal is connect with the 2nd A/D conversion circuit 240, and output end with equipment 220 is connect.
First set self-resetting switch 300 includes switching circuit 100, and switching circuit 100 includes the first button switch, the first inspection
Measuring resistance 120, the second detection resistance 130, the first button switch are connected with the first detection resistance 120, the first detection resistance 120 with
Second detection resistance 130 is in parallel, and one end of switching circuit 100 is connect with the input terminal of controller 200, the other end and controller
200 output end connection.
Second set of self-resetting switch 400 includes second switch circuit 100, and switching circuit 100 includes the second button switch
160, third detection resistance 140, the 4th detection resistance 150, the second button switch 160 are connected with third detection resistance 140, third
Detection resistance 140 is in parallel with the 4th detection resistance 150, one end of second switch circuit 100 and the second input terminal of controller 200
Connection, the other end are connect with the output end of controller 200.
Referring to figure 4., Fig. 4 is the self-resetting switch detection device and vehicle signal that the utility model preferred embodiment provides
Figure, is that the utility model preferred embodiment provides a kind of self-resetting switch detection device, comprising: self-resetting switch module and vehicle body
200 module of controller.
Electric current flows to reserved self-resetting switch module by first line 500 from 200 module of car body controller, then from runback
Bit switch module flows back to 200 module of car body controller by the second route 600.Such electric current flowing mode, can be controlled
Checking of routing processed, i.e. electric current form a complete circuit to car body control module by self-resetting switch module feedback, reach
Circulate through car body control module to whole control systems so that in self-resetting switch module any circuit occur open circuit,
Short circuit, 110 can be identified in any position by car body control module.
In conclusion the utility model provides a kind of self-resetting switch detection device and vehicle.The utility model solves
Technical problem present in the prior art may be implemented commercial vehicle air-conditioning system electrical equipment control, detection, and have and open Self-resetting
It closes device route and is included in detection range ability, reapply way of contrast and carry out stringent fault information analysis diagnosis, make invisible
Circuit appliance failure by the micro-judgment of script, one by one route speculate check, be converted into visual information, be vehicle maintenance, letter
Breath acquisition provides valid data and supports, realizes fault inquiry, easy to repairization, intuitiveization.
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 (8)
1. a kind of self-resetting switch detection device characterized by comprising switching circuit and controller, the switching circuit
One end is connect with the input terminal of the controller, and the other end of the switching circuit is connect with the output end of the controller；
The switching circuit includes first resistor, second resistance and switch, and the first resistor is in parallel with the second resistance,
The switch is connected with the first resistor, and the switch is in parallel with the second resistance；
The controller further includes equipment, one end of the separate A/D conversion circuit of the switching circuit and the equipment even
It connects.
2. self-resetting switch detection device according to claim 1, it is characterised in that: the controller further includes that A/D turns
Circuit is changed, the output end of the A/D conversion circuit is connect with one end of the switching circuit.
3. self-resetting switch detection device according to claim 2, it is characterised in that: the resistance value of the first resistor is
820 ohm.
4. self-resetting switch detection device according to claim 1, it is characterised in that: the resistance value of the second resistance is
820 ohm.
5. a kind of vehicle characterized by comprising self-resetting switch detection device as described in claim 1 and vehicle body,
The self-resetting switch detection device is arranged in the vehicle body；
Controller described in the self-resetting switch detection device further includes equipment, the separate A/D conversion of the switching circuit
One end of circuit is connect with the equipment.
6. vehicle according to claim 5, it is characterised in that: setting self-resetting switch detects dress in the vehicle body
It sets；The controller in the self-resetting switch detection device further includes A/D conversion circuit, the A/D conversion circuit it is defeated
Outlet is connect with one end of the switching circuit.
7. vehicle according to claim 6, it is characterised in that: first resistor described in the self-resetting switch detection device
Resistance value be 820 ohm.
8. vehicle according to claim 5, it is characterised in that: second resistance described in the self-resetting switch detection device
Resistance value be 820 ohm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821713549.5U CN209560043U (en) | 2018-10-22 | 2018-10-22 | A kind of self-resetting switch detection device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821713549.5U CN209560043U (en) | 2018-10-22 | 2018-10-22 | A kind of self-resetting switch detection device and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209560043U true CN209560043U (en) | 2019-10-29 |
Family
ID=68298179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821713549.5U Expired - Fee Related CN209560043U (en) | 2018-10-22 | 2018-10-22 | A kind of self-resetting switch detection device and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209560043U (en) |
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2018
- 2018-10-22 CN CN201821713549.5U patent/CN209560043U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191029 |