CN209757045U - Vehicle axle lock control device - Google Patents
Vehicle axle lock control device Download PDFInfo
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- CN209757045U CN209757045U CN201822233910.0U CN201822233910U CN209757045U CN 209757045 U CN209757045 U CN 209757045U CN 201822233910 U CN201822233910 U CN 201822233910U CN 209757045 U CN209757045 U CN 209757045U
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Abstract
The embodiment of the utility model provides a vehicle shaft lock controlling means, including first treater, second treater, logical unit and switch module, the logical unit is connected with first treater, second treater and switch module respectively; the output end of the first processor and the output end of the second processor are respectively connected with the input end of the logic unit; the first processor is used for determining first state information of the vehicle according to the running information of the vehicle, the second processor is used for determining second state information of the vehicle according to the running information of the vehicle, the logic unit is used for outputting a switch control instruction to the switch module according to the first state information and the second state information, the switch control instruction is used for controlling the state of the switch, and the running information comprises at least two of the following pieces of vehicle information: speed of the vehicle, engine ignition status of the vehicle. The safety of the vehicle axle lock control is improved.
Description
Technical Field
the embodiment of the utility model provides a relate to the vehicle field, especially relate to a vehicle shaft lock controlling means.
Background
Currently, a vehicle (e.g., a car, a truck, etc.) is generally provided with an axle lock for locking a steering wheel of the vehicle.
in the practical application process, when the vehicle is in a flameout state, the shaft lock is set to be in a locking state, so that the steering wheel of the vehicle cannot rotate, and the vehicle is prevented from being stolen. When the vehicle is in a running state, the shaft lock is set to be in an unlocked state, so that a steering wheel of the vehicle can be rotated, and the vehicle can run normally. However, during the running of the vehicle, the vehicle may trigger the shaft lock to be set to the locked state by mistake, so that the steering wheel of the vehicle cannot rotate, and the running safety of the vehicle is affected. From the above, the safety of the vehicle axle lock control in the prior art is poor.
SUMMERY OF THE UTILITY MODEL
an embodiment of the utility model provides a vehicle shaft lock controlling means has improved the security to vehicle shaft lock control.
in a first aspect, an embodiment of the present invention provides a vehicle axle lock control device, including a first processor, a second processor, a logic unit and a switch module, wherein,
The logic unit is respectively connected with the first processor, the second processor and the switch module; the output end of the first processor and the output end of the second processor are respectively connected with the input end of the logic unit;
The first processor is used for determining first state information of a vehicle according to running information of the vehicle, the second processor is used for determining second state information of the vehicle according to the running information of the vehicle, the logic unit is used for outputting a switch control instruction to the switch module according to the first state information and the second state information, the switch control instruction is used for controlling the state of the switch, when the state of the switch is in an off state, the state of the shaft lock is in an unlocked state, and the running information comprises at least two of the following pieces of vehicle information: a speed of the vehicle, an engine ignition status of the vehicle.
In the process, even if a false trigger signal for locking the shaft lock is received, or even if part of vehicle information is wrong in the transmission process (for example, the vehicle is attacked), or part of the at least two processors is failed (for example, the vehicle is attacked), the state of the vehicle can still be determined as the driving state, and then the shaft lock is set to be in the unlocking state, so that the probability of mistakenly locking the shaft lock in the driving process of the vehicle is reduced, and the safety of controlling the shaft lock of the vehicle is improved.
In one possible embodiment, the logic unit comprises a first and a second and gate, wherein,
The output end of the first processor is respectively connected with the input ends of the first AND gate and the second AND gate;
and the output end of the second processor is respectively connected with the input ends of the first AND gate and the second AND gate.
In one possible embodiment, the first processor outputs a low level when the first state information indicates that the state of the vehicle is a driving state;
The second processor outputs a low level when the second state information indicates that the state of the vehicle is a driving state.
in one possible embodiment, the switching module comprises a first switching unit and a second switching unit, wherein,
The first and gate is connected with the first switch unit, and the second and gate is connected with the second switch.
In one possible embodiment, the first switching unit is a first relay; and/or the presence of a gas in the gas,
The second switching unit is a second relay.
In one possible embodiment, when any one of the first switch unit and the second switch unit is in an off state, the state of the shaft lock is in an unlocked state.
In a possible embodiment, when any one of the first switch unit and the second switch unit is in a closed state, the state of the shaft lock is in a locked state.
In a possible embodiment, the device further comprises a control unit, wherein,
The control unit is respectively connected with the first switch unit and the second switch unit and used for controlling the axle lock of the vehicle according to the states of the first switch unit and the second switch unit.
In one possible embodiment, the control unit sets the state of the shaft lock to a locked state when both the state of the first switch and the state of the second switch are closed states.
The utility model provides a vehicle shaft lock controlling means, including first treater, second treater, logical unit and switch module, first treater is handled the first state information in order to confirm the vehicle to two at least vehicle information, wherein, as long as there is a vehicle information indication vehicle to be the running state in two at least vehicle information, then first state information indication vehicle is the running state. The second processor processes the at least two pieces of vehicle information to determine second state information of the vehicle, wherein the second state information indicates that the vehicle is in a running state as long as one piece of the at least two pieces of vehicle information indicates that the vehicle is in the running state. The vehicle is determined to be in the running state as long as one of the first state information and the second state information indicates that the vehicle is in the running state. In the process, even if a false trigger signal for locking the shaft lock is received, or even if part of vehicle information is wrong in the transmission process (for example, the vehicle is attacked), or part of the at least two processors is failed (for example, the vehicle is attacked), the state of the vehicle can still be determined as the driving state, and then the shaft lock is set to be in the unlocking state, so that the probability of mistakenly locking the shaft lock in the driving process of the vehicle is reduced, and the safety of controlling the shaft lock of the vehicle is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is an architecture diagram of a vehicle axle lock control provided by an embodiment of the present invention;
Fig. 2 is a schematic structural diagram of a vehicle axle lock control device according to an embodiment of the present invention;
Fig. 3 is a schematic structural diagram of another vehicle axle lock control device according to an embodiment of the present invention;
Fig. 4 is a schematic view of a shaft lock control process provided by an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is an architecture diagram of a vehicle axle lock control provided by an embodiment of the present invention. Referring to fig. 1, the vehicle includes a sensor, a plurality of processors (respectively, processor 1, processor 2, … …, and processor N), a controller, an axle lock, and the like. The sensors may collect operation information of the vehicle, for example, the operation information may include a running speed of the vehicle, an engine ignition state of the vehicle, and the like. The sensor sends the running information of the vehicle to each processor, each processor processes the running information respectively to determine the state of the vehicle, the state of the vehicle is a running state or a static state, each processor sends the determined state of the vehicle to the controller respectively, and the controller controls the axle lock according to the received states of the N vehicles.
In the application, when any piece of vehicle information in the running information indicates that the vehicle is in a running state, the state of the vehicle is determined to be in the running state, and when any one processor determines that the state of the vehicle is in the running state, the controller controls the shaft lock to be in an unlocked state.
The technical means shown in the present application will be described in detail below with reference to specific examples. It should be noted that the following embodiments may be combined with each other, and the description of the same or similar contents in different embodiments is not repeated.
Fig. 2 is a schematic structural diagram of a vehicle axle lock control device according to an embodiment of the present invention. Referring to fig. 2, the apparatus may include a first processor 21, a second processor 22, a logic unit 23, and a switch module 24, wherein,
The logic unit 23 is respectively connected with the first processor 21, the second processor 22 and the switch module 24; the output end of the first processor 21 and the output end of the second processor 22 are respectively connected with the input end of the logic unit 23;
The first processor 21 is configured to determine first state information of the vehicle according to the operation information of the vehicle, the second processor 22 is configured to determine second state information of the vehicle according to the operation information of the vehicle, the logic unit 23 is configured to output a switch control instruction to the switch module 24 according to the first state information and the second state information, the switch control instruction is used to control a state of a switch, when the state of the switch is an off state, the state of the shaft lock is an unlocked state, and the operation information includes at least two of the following pieces of vehicle information: speed of the vehicle, engine ignition status of the vehicle.
optionally, the engine firing state includes an on state and an off state. When the ignition state of the engine is in an opening state, the engine can rotate; when the engine ignition state is the off state, the engine does not rotate.
optionally, the operation information of the vehicle may be obtained through a Controller Area Network (CAN) signal and a hard-wire signal.
Optionally, the CAN signal includes a speed of the vehicle, an engine speed of the vehicle, and an engine ignition state of the vehicle.
Optionally, the speed of the vehicle is included in the hard-wired signal.
Optionally, the CAN signal is a digital signal. The hard-wired signal is a pulsed signal (or an analog signal).
Because the vehicle information in the CAN signal is a digital signal and the vehicle information in the hard-wire signal is a pulse signal, the vehicle information of the digital signal type and the pulse signal type CAN be obtained.
For example, assuming that the vehicle information includes the speed of the vehicle, the engine speed of the vehicle, and the engine ignition state of the vehicle, the speed of the vehicle of the digital signal type, the speed of the vehicle of the pulse signal type, the engine speed of the digital signal type, and the engine ignition state of the digital signal type can be obtained.
Optionally, after the sensor acquires vehicle information (speed of the vehicle, engine speed of the vehicle, and engine ignition state of the vehicle), the sensor may send the vehicle information to the corresponding ECU, and the corresponding ECU sends the CAN signal through the CAN bus.
Optionally, the sensor and the vehicle axle lock control device are connected by a hard wire, and after the sensor acquires vehicle information (speed of the vehicle), the sensor sends a hard wire signal by the hard wire.
Optionally, the process of determining the first state information by the first processor is the same as the process of determining the second state information by the second processor, and the following description takes the process of determining the first state information by the first processor as an example:
The first processor is used for processing each piece of vehicle information in the running information respectively to obtain the state of the vehicle corresponding to each piece of vehicle information, and when the state of the vehicle corresponding to one piece of vehicle information in at least two pieces of vehicle information in the running information is the running state, the state information of the vehicle is determined to indicate that the vehicle is the running state.
Optionally, when the vehicle information is the speed of the vehicle, when the speed of the vehicle is 0, the state of the vehicle corresponding to the speed of the vehicle is a stationary state, and when the speed of the vehicle is greater than 0, the state of the vehicle corresponding to the speed of the vehicle is a traveling state.
Optionally, when the vehicle information is the engine speed, when the engine speed is less than or equal to the first threshold, the state of the vehicle corresponding to the engine speed is a stationary state, and when the engine speed is greater than the first threshold, the state of the vehicle corresponding to the engine speed is a running state.
Alternatively, the first threshold is typically the idle speed of the engine.
for example, the first threshold may be 700 revolutions per minute, 800 revolutions per minute, or the like.
Optionally, when the vehicle information is an engine ignition state, when the engine ignition state is an off state, the state of the vehicle corresponding to the engine ignition state is a stationary state, and when the engine ignition state is an on state, the state of the vehicle corresponding to the engine ignition state is a driving state.
For example, assuming that the vehicle information includes the speed of the vehicle, the engine speed of the vehicle, and the engine ignition state of the vehicle, the speed of the vehicle of the digital signal type, the speed of the vehicle of the pulse signal type, the engine speed of the digital signal type, and the engine ignition state of the digital signal type can be obtained. If the state of the vehicle corresponding to one piece of vehicle information is the running state, the state of the vehicle is determined to be the running state. When the states of the vehicles corresponding to the four pieces of vehicle information are all static states, the state of the vehicle is determined to be the static state.
Alternatively, the logic unit 23 may be an and gate.
Alternatively, the switch module 24 may be a relay.
In practical applications, the safety level of the vehicle can be generally divided into 4 levels, respectively A, B, C, D, and the safety performance of the four safety levels is increased in sequence. The safety level of the signal obtained through the CAN bus or the hard wire is generally B, for example, the safety level of the signal for obtaining the speed of the vehicle is generally B, the safety level of the signal for obtaining the engine speed is generally a, and the safety level of the signal for obtaining the ignition state of the engine is generally a. The security level of the control of the shaft lock state of the vehicle obtained by the above method is D. Namely, the method disclosed by the application can realize the control of the shaft lock with higher security level by adopting the data with lower security level. On the basis of ensuring lower cost, the reliability of controlling the vehicle axle lock is improved.
The utility model provides a vehicle shaft lock controlling means, including first treater, second treater, logical unit and switch module, first treater is handled the first state information in order to confirm the vehicle to two at least vehicle information, wherein, as long as there is a vehicle information indication vehicle to be the running state in two at least vehicle information, then first state information indication vehicle is the running state. The second processor processes the at least two pieces of vehicle information to determine second state information of the vehicle, wherein the second state information indicates that the vehicle is in a running state as long as one piece of the at least two pieces of vehicle information indicates that the vehicle is in the running state. The vehicle is determined to be in the running state as long as one of the first state information and the second state information indicates that the vehicle is in the running state. In the process, even if a false trigger signal for locking the shaft lock is received, or even if part of vehicle information is wrong in the transmission process (for example, the vehicle is attacked), or part of the at least two processors is failed (for example, the vehicle is attacked), the state of the vehicle can still be determined as the driving state, and then the shaft lock is set to be in the unlocking state, so that the probability of mistakenly locking the shaft lock in the driving process of the vehicle is reduced, and the safety of controlling the shaft lock of the vehicle is improved.
next, the structure of the vehicle axle lock control device shown in the embodiment of fig. 2 will be described in further detail with reference to the embodiment shown in fig. 3, in addition to the embodiment shown in fig. 2.
Fig. 3 is a schematic structural diagram of another vehicle axle lock control device according to an embodiment of the present invention. Based on the embodiment shown in fig. 2, please refer to fig. 3, the logic unit 23 includes a first and gate 231 and a second and gate 232.
Wherein, the output end of the first processor 21 is connected with the input ends of the first and gate 231 and the second and gate 232, respectively; the output of the second processor 22 is connected to the inputs of a first and gate 231 and a second and gate 232, respectively.
alternatively, when the first state information indicates that the state of the vehicle is the running state, the first processor 21 outputs a low level; when the second state information indicates that the state of the vehicle is the running state, the second processor 22 outputs a low level.
Alternatively, the low level may be 0.
Referring to fig. 3, the switch module 24 includes a first switch unit 241 and a second switch unit 242, wherein the first and gate 231 is connected to the first switch unit 241, and the second and gate 232 is connected to the second switch.
Alternatively, when any one of the first switch unit 241 and the second switch unit 242 is in the off state, the shaft lock is in the unlocked state.
Optionally, when any one of the first switch unit 241 and the second switch unit 242 is in the closed state, the shaft lock is in the locked state.
Referring to fig. 3, the apparatus further includes a control unit 25, wherein the control unit 25 is connected to the first switch unit 241 and the second switch unit 242, respectively, and the control unit 25 is configured to control the axle lock of the vehicle according to the states of the first switch unit 241 and the second switch unit 242.
Optionally, when the state of the first switch and the state of the second switch are both closed states, the control unit 25 sets the state of the shaft lock to the locked state.
optionally, when the state of the first switch and the state of the second switch are both closed states, the shaft lock M is controlled to be in the locked state only after the control unit 25 receives a locking signal for locking the shaft lock. For example, the lock signal may be a misfire signal.
in the embodiment shown in fig. 3, the first processor outputs first state information of the vehicle, and when the first state information indicates that the vehicle is in a running state, the first processor outputs a low level. The second processor outputs second state information of the vehicle, and when the second state information indicates that the vehicle is in a running state, the second processor outputs a low level. As long as one of the first processor and the second processor outputs a low level, the first and gate and the second and gate output a low level, so that the first switch unit and the second switch unit are turned off, and the vehicle axle lock is in an unlocked state. In the process, even if a false trigger signal for locking the shaft lock is received, or even if part of vehicle information is wrong in the transmission process (for example, the vehicle is attacked), or part of the at least two processors is failed (for example, the vehicle is attacked), the state of the vehicle can still be determined as the driving state, and then the shaft lock is set to be in the unlocking state, so that the probability of mistakenly locking the shaft lock in the driving process of the vehicle is reduced, and the safety of controlling the shaft lock of the vehicle is improved.
On the basis of any of the above embodiments, the following describes in detail the technical solutions shown in the above method embodiments by specific examples with reference to fig. 4.
fig. 4 is a schematic view of a shaft lock control process provided by an embodiment of the present invention. Referring to fig. 4, the vehicle includes a processor 1 and a processor 2.
The sensor collects the speed, the engine speed and the engine ignition state of the vehicle, sends the speed, the engine speed and the engine ignition state of the vehicle to the processor 1 and the processor 2 through the CAN signal, and sends the speed of the vehicle to the processor 1 and the processor 2 through the hard wire signal. That is, the processor 1 and the processor 2 receive four pieces of vehicle information, respectively: a speed of the vehicle of the digital signal type, a speed of the vehicle of the pulse signal type, an engine speed of the digital signal type, and an engine ignition state of the digital signal type.
The processor 1 processes the four pieces of vehicle information, and as long as one piece of the four pieces of vehicle information indicates that the vehicle is in a running state, the processor 1 outputs a low level of 0 to the first and gate ADD1 and the second and gate ADD2, respectively.
The processor 2 processes the four pieces of vehicle information, and as long as one piece of the four pieces of vehicle information indicates that the vehicle is in a running state, the processor 2 outputs a low level of 0 to the first and gate ADD1 and the second and gate ADD2, respectively.
When the first relay (collector above the control unit) receives the low level output from the first and gate ADD1, the first relay is turned off. When the second relay (collector under the control unit) receives the low level output from the second and gate ADD2, the second relay is turned off. When one of the first relay and the second relay is off, the control unit controls the shaft lock M to be in an unlocking state.
Optionally, when both the first relay and the second relay are closed, the control unit may control the shaft lock M to be in a locked state. Or when the first relay and the second relay are both closed, the control unit controls the shaft lock M to be in a locking state after receiving a locking signal for locking the shaft lock. For example, the lock signal may be a misfire signal.
in the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
In addition, in the present application, unless otherwise expressly specified or limited, the terms "connected," "secured," "mounted," and the like are to be construed broadly, such as to encompass both mechanical and electrical connections; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating between two elements or for interacting between two elements, unless otherwise specifically defined, and the specific meaning of the terms in the present application may be understood by those skilled in the art according to specific situations.
The terms "include" and "comprise," as well as derivatives thereof, mean inclusion without limitation. The term "or" is inclusive, meaning and/or.
The term "circuitry" refers to (a) hardware-only circuit implementations (e.g., implementations in analog circuitry and/or digital circuitry); (b) a combination of circuitry and a computer program product comprising software and/or firmware instructions stored on one or more computer-readable memories that work together to cause an apparatus to perform one or more functions described herein; and (c) circuitry that requires software or firmware, even if the software or firmware is not physically present, for operation, such as a microprocessor or a portion of a microprocessor. This definition of "circuitry" also applies to all uses of the term herein, including in any claims. As other examples, herein, the term "circuitry" also includes one or more processors and/or portions thereof and accompanying software and/or firmware implementations.
finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. A vehicle axle lock control device is characterized by comprising a first processor, a second processor, a logic unit and a switch module, wherein,
the logic unit is respectively connected with the first processor, the second processor and the switch module; the output end of the first processor and the output end of the second processor are respectively connected with the input end of the logic unit;
The first processor is used for determining first state information of a vehicle according to running information of the vehicle, the second processor is used for determining second state information of the vehicle according to the running information of the vehicle, the logic unit is used for outputting a switch control instruction to the switch module according to the first state information and the second state information, the switch control instruction is used for controlling the state of the switch, when the state of the switch is in an off state, the state of the shaft lock is in an unlocked state, and the running information comprises at least two of the following pieces of vehicle information: a speed of the vehicle, an engine ignition status of the vehicle.
2. the apparatus of claim 1, wherein the logic unit comprises a first AND gate and a second AND gate, wherein,
the output end of the first processor is respectively connected with the input ends of the first AND gate and the second AND gate;
And the output end of the second processor is respectively connected with the input ends of the first AND gate and the second AND gate.
3. the apparatus of claim 2,
the first processor outputs a low level when the first state information indicates that the state of the vehicle is a driving state;
The second processor outputs a low level when the second state information indicates that the state of the vehicle is a driving state.
4. The apparatus of claim 2, wherein the switch module comprises a first switch unit and a second switch unit, wherein,
The first and gate is connected with the first switch unit, and the second and gate is connected with the second switch.
5. the apparatus of claim 4,
The first switch unit is a first relay; and/or the presence of a gas in the gas,
The second switching unit is a second relay.
6. The apparatus according to claim 4 or 5, wherein the state of the shaft lock is an unlocked state when any one of the first switch unit and the second switch unit is in an off state.
7. The apparatus according to claim 4 or 5, wherein the state of the shaft lock is a locked state when any one of the first switch unit and the second switch unit is in a closed state.
8. The device according to claim 4 or 5, further comprising a control unit, wherein,
The control unit is respectively connected with the first switch unit and the second switch unit and used for controlling the axle lock of the vehicle according to the states of the first switch unit and the second switch unit.
9. the apparatus of claim 8, wherein the control unit sets the state of the shaft lock to a locked state when the state of the first switch and the state of the second switch are both closed states.
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|---|---|---|---|
| CN201822233910.0U CN209757045U (en) | 2018-12-28 | 2018-12-28 | Vehicle axle lock control device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822233910.0U CN209757045U (en) | 2018-12-28 | 2018-12-28 | Vehicle axle lock control device |
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| CN209757045U true CN209757045U (en) | 2019-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109795447A (en) * | 2018-12-28 | 2019-05-24 | 百度在线网络技术（北京）有限公司 | Axle for vehicle lock control method, device and equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109795447A (en) * | 2018-12-28 | 2019-05-24 | 百度在线网络技术（北京）有限公司 | Axle for vehicle lock control method, device and equipment |
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