CN103863186A - School bus parking sign plate control device and method - Google Patents
School bus parking sign plate control device and method Download PDFInfo
- Publication number
- CN103863186A CN103863186A CN201310125576.6A CN201310125576A CN103863186A CN 103863186 A CN103863186 A CN 103863186A CN 201310125576 A CN201310125576 A CN 201310125576A CN 103863186 A CN103863186 A CN 103863186A
- Authority
- CN
- China
- Prior art keywords
- speed
- control signal
- motor vehicle
- stop signpost
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Traffic Control Systems (AREA)
Abstract
The invention relates to the technical field of automatic control and discloses a school bus parking sign plate control device and a school bus parking sign plate control method. The device comprises a switching circuit and a driving circuit electrically connected with the switching circuit; the switching circuit outputs a control signal to the driving circuit on the basis of the state of a parking sign plate switch and the driving speed; the driving circuit is electrically connected with the switching circuit and used for driving the parking sign plate to extend or retract according to the control signal outputted by the switching circuit. With the adoption of the school bus parking sign plate control device and the control method, the control on the school bus parking sign plate can meet standard requirements.
Description
Technical field
The present invention relates to automatic control technology field, be specifically related to a kind of school bus stop signpost control setup and method.
Background technology
The special safety of school bus engineering factor of GB24407-2012, on the basis with reference to American-European countries's school bus standard, has stipulated the safety specification of China's school bus product.Wherein to stop signpost with reference on the basis of American-European school bus, do possession adaptive improvement, wherein, the control of stop signpost has been had to following requirement: if stop signpost is not packed up when vehicle start, in the time that the speed of a motor vehicle exceedes 5km/h, stop signpost should be able to be packed up automatically.
In the prior art, school bus direction board product and external control circuit can only be accomplished by switch opens and pack up stop signpost, cannot meet above-mentioned requirements.
Summary of the invention
The invention provides a kind of school bus stop signpost control setup and method, so that the control of school bus stop signpost meets standard-required.
For this reason, the invention provides following technical scheme:
A kind of school bus stop signpost control setup, comprising: switch circuit and the driving circuit being electrically connected with it;
The state of the state of described switch circuit based on stop signpost switch and the speed of a motor vehicle is to described driving circuit output control signal;
Described driving circuit is for driving described stop signpost stretch out or pack up according to the control signal of described switch circuit output.
Preferably, described switch circuit comprises: first input end, the second input end and mouth;
Described first input end is electrically connected with stop signpost switch, to obtain stop signpost on-off signal;
Described the second input end is electrically connected with average speed indicator, to obtain the on-off signal based on the speed of a motor vehicle;
Described mouth is electrically connected with described driving circuit, for optionally exporting the first control signal or the second control signal to described driving circuit according to described stop signpost on-off signal and described on-off signal based on the speed of a motor vehicle; Described the first control signal is used for making described driving circuit to drive described stop signpost to pack up, and described the second control signal is used for making described driving circuit to drive described stop signpost to stretch out.
Preferably, described device also comprises:
Testing circuit, be electrically connected with described the second input end and described average speed indicator respectively, for reading the current vehicle speed of described average speed indicator indication, generate the described on-off signal based on the speed of a motor vehicle according to current vehicle speed, and the described on-off signal based on the speed of a motor vehicle is exported to described the second input end.
Preferably, in the speed of a motor vehicle, during higher than setting value, the described on-off signal based on the speed of a motor vehicle is high level, and described switch circuit mouth is exported described the first control signal to described driving circuit;
In the speed of a motor vehicle during less than or equal to described setting value, the described on-off signal based on the speed of a motor vehicle is low level, and in the time that described stop signpost on-off signal becomes low level, trigger described switch circuit mouth and export described the second control signal to described driving circuit, and in the time that described stop signpost on-off signal becomes low level again, trigger described switch circuit mouth and export described the first control signal to described driving circuit.
Preferably, described the first control signal is low level; Described the second control signal is high level.
Preferably, described driving circuit comprises: aerotron, and the base stage of described aerotron is electrically connected with the output of described switch circuit, and the collecting electrode of described aerotron is electrically connected with described stop signpost, the grounded emitter of described aerotron.
Preferably, described stop signpost switch is self-resetting switch.
A kind of school bus stop signpost control method, comprising:
State based on stop signpost switch and the state of the speed of a motor vehicle generate control signal;
Drive described stop signpost stretch out or pack up according to described control signal.
Preferably, the state of described state based on stop signpost switch and the speed of a motor vehicle generates control signal and comprises:
Obtain stop signpost on-off signal and the on-off signal based on the speed of a motor vehicle;
Optionally generate the first control signal or the second control signal according to described stop signpost on-off signal and described on-off signal based on the speed of a motor vehicle; Described the first control signal is used for making described driving circuit to drive described stop signpost to pack up, and described the second control signal is used for making described driving circuit to drive described stop signpost to stretch out.
Preferably, described according to described stop signpost on-off signal and described on-off signal based on the speed of a motor vehicle optionally generates the first control signal or the second control signal comprises:
In the speed of a motor vehicle, during higher than setting value, the described on-off signal based on the speed of a motor vehicle is high level, and described switch circuit mouth is exported described the first control signal to described driving circuit;
In the speed of a motor vehicle during less than or equal to described setting value, the described on-off signal based on the speed of a motor vehicle is low level, and in the time that described stop signpost on-off signal becomes low level, generate described the second control signal, and in the time that described stop signpost on-off signal becomes low level again, generate described the first control signal.
School bus stop signpost control setup provided by the invention and method, the state based on stop signpost switch and the state of the speed of a motor vehicle generate control signal, and drive described stop signpost stretch out or pack up according to described control signal.Thereby can, in the speed of a motor vehicle during less than or equal to setting value, the control signal of output be decided by stop signpost on-off signal, also say, make packing up or stretching out by stop signpost switch and control of stop signpost.And during higher than setting value, make the control signal of output not be subject to the impact of stop signpost on-off signal in the speed of a motor vehicle, and then make driving circuit drive stop signpost automatically to pack up, guarantee traffic safety.
Further, stop signpost switch adopts self-resetting switch, and after the speed of a motor vehicle exceedes setting value stop signpost is packed up automatically, even the speed of a motor vehicle during again lower than setting value, stop signpost also can not opened automatically, has guaranteed better traffic safety.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to the accompanying drawing of required use in embodiment be briefly described below, apparently, the accompanying drawing the following describes is only some embodiment that record in the present invention, for those of ordinary skills, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of embodiment of the present invention school bus stop signpost control setup;
Fig. 2 is a kind of specific implementation structural representation of embodiment of the present invention school bus stop signpost control setup;
Fig. 3 is the another kind of specific implementation structural representation of embodiment of the present invention school bus stop signpost control setup;
Fig. 4 is the diagram of circuit of embodiment of the present invention school bus stop signpost control method.
The specific embodiment
In order to make those skilled in the art person understand better the scheme of the embodiment of the present invention, below in conjunction with drawings and embodiments, the embodiment of the present invention is described in further detail.
School bus stop signpost control setup provided by the invention and method, the state based on stop signpost switch and the state of the speed of a motor vehicle generate control signal, and drive described stop signpost stretch out or pack up according to described control signal.Thereby can, in the speed of a motor vehicle during less than or equal to setting value, the control signal of output be decided by stop signpost on-off signal, also say, make packing up or stretching out by stop signpost switch and control of stop signpost.And during higher than setting value, make the control signal of output not be subject to the impact of stop signpost on-off signal in the speed of a motor vehicle, and then make driving circuit drive stop signpost automatically to pack up, guarantee traffic safety.
As shown in Figure 1, be the structural representation of embodiment of the present invention school bus stop signpost control setup.
In this embodiment, described device comprises: switch circuit 101 and the driving circuit 102 being electrically connected with it.Wherein:
The state of the state of switch circuit 101 based on stop signpost switch and the speed of a motor vehicle is to described driving circuit output control signal;
In concrete application, said switching circuit 101 and driving circuit 102 can have multiple implementation, to casehistory below this.
As shown in Figure 2, be a kind of specific implementation structural representation of embodiment of the present invention school bus stop signpost control setup.
In this embodiment, switch circuit 101 comprises: first input end, the second input end and mouth;
Described first input end is electrically connected with stop signpost switch 201, to obtain stop signpost on-off signal;
Described the second input end is electrically connected with average speed indicator 202, to obtain the on-off signal based on the speed of a motor vehicle;
Described mouth is electrically connected with described driving circuit 102, for optionally exporting the first control signal or the second control signal to described driving circuit 102 according to described stop signpost on-off signal and described on-off signal based on the speed of a motor vehicle; Described the first control signal is used for making described driving circuit to drive described stop signpost to pack up, and described the second control signal is used for making described driving circuit to drive described stop signpost to stretch out.
In the time that stop signpost switch is closed, described stop signpost on-off signal is low level; In the time that stop signpost switch disconnects, described stop signpost on-off signal is vacant state.
In the speed of a motor vehicle, during higher than setting value, the described on-off signal based on the speed of a motor vehicle is high level, and described switch circuit 101 mouths are exported described the first control signal to described driving circuit 102; In the speed of a motor vehicle during less than or equal to described setting value, the described on-off signal based on the speed of a motor vehicle is low level, and in the time that described stop signpost on-off signal is low level, described switch circuit 101 mouths are exported described the second control signal to described driving circuit 102, and in the time that described stop signpost on-off signal becomes low level again, described switch circuit 101 mouths are exported described the first control signal to described driving circuit 102.
In this embodiment, described the first control signal can be low level, and described the second control signal is high level.
Correspondingly, as shown in Figure 2, driving circuit 102 can adopt an aerotron to realize, such as NPN type aerotron, the base stage of described aerotron is electrically connected with the output of described switch circuit, and the collecting electrode of described aerotron is electrically connected with described stop signpost, the grounded emitter of described aerotron.
Certainly, also can adopt positive-negative-positive aerotron etc., correspondingly need to do accommodation with the connection mode of pin, this embodiment of the present invention is repeated no more.
In this embodiment, when switch circuit 101 mouth output low level, aerotron cut-off, disconnects relay 103 output circuits, thereby stop signpost is packed up; When switch circuit 101 mouth output high level, aerotron conducting, makes relay 103 output circuit conductings, thereby drives stop signpost to stretch out.
It should be noted that, the switch circuit 101 in this embodiment can adopt PLD to realize, and also can complete corresponding function by design specialized chip, and this embodiment of the present invention is not limited.And, switch circuit 101 in this embodiment can directly obtain the on-off signal based on the speed of a motor vehicle from average speed indicator, the described on-off signal based on the speed of a motor vehicle is high and low level signal, and in the speed of a motor vehicle during higher than setting value, the described on-off signal based on the speed of a motor vehicle is high level; In the speed of a motor vehicle, during less than or equal to setting value, the described on-off signal based on the speed of a motor vehicle is low level.In the application of embodiment, need average speed indicator to there is the function of exporting the on-off signal based on the speed of a motor vehicle according to above-mentioned logical course.
As shown in Figure 3, be the another kind of specific implementation structural representation of embodiment of the present invention school bus stop signpost control setup.
From embodiment illustrated in fig. 2 different be, in this embodiment, average speed indicator can be existing average speed indicator, correspondingly, for the second input end that makes switch circuit 101 obtains the on-off signal based on the speed of a motor vehicle, in described device, increase testing circuit 301, be electrically connected with the second input end and the average speed indicator of switch circuit 101 respectively, for reading the current vehicle speed of average speed indicator indication, generate the described on-off signal based on the speed of a motor vehicle according to current vehicle speed, and the described on-off signal based on the speed of a motor vehicle is exported to described the second input end.
In this embodiment, testing circuit 301 can be realized by a comparator or other logical devices, and, meet equally following logic function:
In the speed of a motor vehicle, during higher than setting value, the on-off signal based on the speed of a motor vehicle of output is high level, and in the speed of a motor vehicle, during less than or equal to described setting value, the on-off signal based on the speed of a motor vehicle of output is low level.
The principle of work of device embodiment illustrated in fig. 3, with embodiment illustrated in fig. 2 identical, is not described in detail at this.
It should be noted that, the difference of the control logic adopting according to switch circuit 101, the realizing logic and also can do Adaptive change of the above-mentioned on-off signal based on the speed of a motor vehicle, such as in the speed of a motor vehicle during higher than setting value, the on-off signal based on the speed of a motor vehicle of output is low level, in the speed of a motor vehicle, during less than or equal to described setting value, the on-off signal based on the speed of a motor vehicle of output is high level.
Seen from the above description, school bus stop signpost control setup provided by the invention, the state based on stop signpost switch and the state of the speed of a motor vehicle generate control signal, and drive described stop signpost stretch out or pack up according to described control signal.Thereby can, in the speed of a motor vehicle during less than or equal to setting value, the control signal of output be decided by stop signpost on-off signal, also say, make packing up or stretching out by stop signpost switch and control of stop signpost.And during higher than setting value, make the control signal of output not be subject to the impact of stop signpost on-off signal in the speed of a motor vehicle, and then make driving circuit drive stop signpost automatically to pack up, guarantee traffic safety.
In order to meet the requirement of safety of school bus technical standard, above-mentioned setting value is 5km/h.It should be noted that, the device of the embodiment of the present invention is not only applicable to school bus stop signpost control field, and by accommodation, the device of the embodiment of the present invention can also be applied to other similar control fields.
In actual applications, stop signpost switch can adopt self-resetting switch, and after the speed of a motor vehicle exceedes setting value stop signpost is packed up automatically, even the speed of a motor vehicle during again lower than setting value, stop signpost also can not opened automatically, can guarantee better traffic safety.
Correspondingly, the embodiment of the present invention also provides a kind of school bus stop signpost control method, as shown in Figure 4, is the diagram of circuit of the method, comprises the following steps:
Particularly, stop signpost on-off signal and the on-off signal based on the speed of a motor vehicle be can first obtain, then the first control signal or the second control signal optionally generated according to described stop signpost on-off signal and described on-off signal based on the speed of a motor vehicle; Described the first control signal is used for making described driving circuit to drive described stop signpost to pack up, and described the second control signal is used for making described driving circuit to drive described stop signpost to stretch out.
Such as, in the speed of a motor vehicle, during higher than setting value, the described on-off signal based on the speed of a motor vehicle is high level, and described switch circuit mouth is exported described the first control signal to described driving circuit; In the speed of a motor vehicle during less than or equal to described setting value, the described on-off signal based on the speed of a motor vehicle is low level, and in the time that described stop signpost on-off signal becomes low level, generate described the second control signal, and in the time that described stop signpost on-off signal becomes low level again, generate described the first control signal.
Above-mentioned stop signpost on-off signal, on-off signal based on the speed of a motor vehicle and the first control signal, the second control signal, it can be logic level signal, such as 0 and 1, be low level and high level, specific implementation can, with reference to above to the description in embodiment of the present invention school bus stop signpost control setup, not repeat them here.
School bus stop signpost control method provided by the invention, the state based on stop signpost switch and the state of the speed of a motor vehicle generate control signal, and drive described stop signpost stretch out or pack up according to described control signal.Thereby can, in the speed of a motor vehicle during less than or equal to setting value, the control signal of output be decided by stop signpost on-off signal, also say, make packing up or stretching out by stop signpost switch and control of stop signpost.And during higher than setting value, make the control signal of output not be subject to the impact of stop signpost on-off signal in the speed of a motor vehicle, and then make driving circuit drive stop signpost automatically to pack up, guarantee traffic safety.
In order to meet the requirement of safety of school bus technical standard, above-mentioned setting value is 5km/h.
Further, stop signpost switch can adopt self-resetting switch, and after the speed of a motor vehicle exceedes setting value stop signpost is packed up automatically, even the speed of a motor vehicle during again lower than setting value, stop signpost also can not opened automatically, can guarantee better traffic safety.
It should be noted that, all parts embodiment of the present invention can realize with hardware, or realizes with the software module of moving on one or more treater, or realizes with their combination.It will be understood by those of skill in the art that and can use in practice microprocessor or digital signal processor (DSP) to realize according to the some or all functions of the some or all parts in the school bus stop signpost control setup of the embodiment of the present invention.The present invention can also be embodied as part or all equipment or the device program (for example, computer program and computer program) for carrying out method as described herein.Realizing program of the present invention and can be stored on computer-readable medium like this, or can there is the form of one or more signal.Such signal can be downloaded and obtain from internet website, or provides on carrier signal, or provides with any other form.
Each embodiment in this specification sheets all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually referring to, what each embodiment stressed is and the difference of other embodiment.
Only by the mode of explanation, some one exemplary embodiment of the present invention is described above, undoubtedly, for those of ordinary skill in the art, without departing from the spirit and scope of the present invention in the situation that, can revise described embodiment by various mode.Therefore, above-mentioned accompanying drawing is illustrative with being described in essence, should not be construed as the restriction to the claims in the present invention protection domain.
Claims (10)
1. a school bus stop signpost control setup, is characterized in that, comprising: switch circuit and the driving circuit being electrically connected with it;
The state of the state of described switch circuit based on stop signpost switch and the speed of a motor vehicle is to described driving circuit output control signal;
Described driving circuit is for driving described stop signpost stretch out or pack up according to the control signal of described switch circuit output.
2. device according to claim 1, is characterized in that, described switch circuit comprises: first input end, the second input end and mouth;
Described first input end is electrically connected with stop signpost switch, to obtain stop signpost on-off signal;
Described the second input end is electrically connected with average speed indicator, to obtain the on-off signal based on the speed of a motor vehicle;
Described mouth is electrically connected with described driving circuit, for optionally exporting the first control signal or the second control signal to described driving circuit according to described stop signpost on-off signal and described on-off signal based on the speed of a motor vehicle; Described the first control signal is used for making described driving circuit to drive described stop signpost to pack up, and described the second control signal is used for making described driving circuit to drive described stop signpost to stretch out.
3. device according to claim 2, is characterized in that, described device also comprises:
Testing circuit, be electrically connected with described the second input end and described average speed indicator respectively, for reading the current vehicle speed of described average speed indicator indication, generate the described on-off signal based on the speed of a motor vehicle according to current vehicle speed, and the described on-off signal based on the speed of a motor vehicle is exported to described the second input end.
4. according to the device described in claim 2 or 3, it is characterized in that,
In the speed of a motor vehicle, during higher than setting value, the described on-off signal based on the speed of a motor vehicle is high level, and described switch circuit mouth is exported described the first control signal to described driving circuit;
In the speed of a motor vehicle during less than or equal to described setting value, the described on-off signal based on the speed of a motor vehicle is low level, and in the time that described stop signpost on-off signal becomes low level, trigger described switch circuit mouth and export described the second control signal to described driving circuit, and in the time that described stop signpost on-off signal becomes low level again, trigger described switch circuit mouth and export described the first control signal to described driving circuit.
5. device according to claim 4, is characterized in that, described the first control signal is low level; Described the second control signal is high level.
6. device according to claim 5, it is characterized in that, described driving circuit comprises: aerotron, and the base stage of described aerotron is electrically connected with the output of described switch circuit, the collecting electrode of described aerotron is electrically connected with described stop signpost, the grounded emitter of described aerotron.
7. according to the device described in claim 1 or 2 or 3, it is characterized in that, described stop signpost switch is self-resetting switch.
8. a school bus stop signpost control method, is characterized in that, comprising:
State based on stop signpost switch and the state of the speed of a motor vehicle generate control signal;
Drive described stop signpost stretch out or pack up according to described control signal.
9. method according to claim 8, is characterized in that, the state of described state based on stop signpost switch and the speed of a motor vehicle generates control signal and comprises:
Obtain stop signpost on-off signal and the on-off signal based on the speed of a motor vehicle;
Optionally generate the first control signal or the second control signal according to described stop signpost on-off signal and described on-off signal based on the speed of a motor vehicle; Described the first control signal is used for making described driving circuit to drive described stop signpost to pack up, and described the second control signal is used for making described driving circuit to drive described stop signpost to stretch out.
10. method according to claim 8 or claim 9, is characterized in that, described according to described stop signpost on-off signal and described on-off signal based on the speed of a motor vehicle optionally generates the first control signal or the second control signal comprises:
In the speed of a motor vehicle, during higher than setting value, the described on-off signal based on the speed of a motor vehicle is high level, and described switch circuit mouth is exported described the first control signal to described driving circuit;
In the speed of a motor vehicle during less than or equal to described setting value, the described on-off signal based on the speed of a motor vehicle is low level, and in the time that described stop signpost on-off signal becomes low level, generate described the second control signal, and in the time that described stop signpost on-off signal becomes low level again, generate described the first control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310125576.6A CN103863186B (en) | 2012-12-13 | 2013-04-11 | School bus stop signpost control setup and method |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220689804 | 2012-12-13 | ||
| CN201220689804.3 | 2012-12-13 | ||
| CN2012206898043 | 2012-12-13 | ||
| CN201310125576.6A CN103863186B (en) | 2012-12-13 | 2013-04-11 | School bus stop signpost control setup and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103863186A true CN103863186A (en) | 2014-06-18 |
| CN103863186B CN103863186B (en) | 2016-03-30 |
Family
ID=50902406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310125576.6A Active CN103863186B (en) | 2012-12-13 | 2013-04-11 | School bus stop signpost control setup and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103863186B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105128730A (en) * | 2015-09-07 | 2015-12-09 | 安徽安凯汽车股份有限公司 | School bus parking signal arm control circuit and control method thereof |
| CN106379226A (en) * | 2016-08-02 | 2017-02-08 | 孙胡蝶 | Intelligent warning device for outside of automobile before automobile turns or doors are opened for passengers going on and off |
| CN112638711A (en) * | 2018-07-13 | 2021-04-09 | 思玛德供应有限公司 | School bus parking signal arm and driving unit thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050096798A1 (en) * | 2003-11-05 | 2005-05-05 | Bowman Darrell S. | Steering wheel mounted warning/cross-over lights switches |
| US7559575B1 (en) * | 2008-04-02 | 2009-07-14 | International Truck Intellectual Property Company, Llc | School bus crossing gate and system for automatic activation |
| KR101038742B1 (en) * | 2010-07-21 | 2011-06-03 | 주식회사 성진하이텍 | The attending school bus integrated control system which uses gps |
| CN102259614A (en) * | 2011-05-20 | 2011-11-30 | 中通客车控股股份有限公司 | Special vehicle/school bus integrated controller |
| CN102756685A (en) * | 2012-07-16 | 2012-10-31 | 中通客车控股股份有限公司 | Special parking arm controller for school bus |
-
2013
- 2013-04-11 CN CN201310125576.6A patent/CN103863186B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050096798A1 (en) * | 2003-11-05 | 2005-05-05 | Bowman Darrell S. | Steering wheel mounted warning/cross-over lights switches |
| US7559575B1 (en) * | 2008-04-02 | 2009-07-14 | International Truck Intellectual Property Company, Llc | School bus crossing gate and system for automatic activation |
| KR101038742B1 (en) * | 2010-07-21 | 2011-06-03 | 주식회사 성진하이텍 | The attending school bus integrated control system which uses gps |
| CN102259614A (en) * | 2011-05-20 | 2011-11-30 | 中通客车控股股份有限公司 | Special vehicle/school bus integrated controller |
| CN102756685A (en) * | 2012-07-16 | 2012-10-31 | 中通客车控股股份有限公司 | Special parking arm controller for school bus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105128730A (en) * | 2015-09-07 | 2015-12-09 | 安徽安凯汽车股份有限公司 | School bus parking signal arm control circuit and control method thereof |
| CN106379226A (en) * | 2016-08-02 | 2017-02-08 | 孙胡蝶 | Intelligent warning device for outside of automobile before automobile turns or doors are opened for passengers going on and off |
| CN112638711A (en) * | 2018-07-13 | 2021-04-09 | 思玛德供应有限公司 | School bus parking signal arm and driving unit thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103863186B (en) | 2016-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2013140162A (en) | Insulation resistance measurement circuit | |
| CN103863186A (en) | School bus parking sign plate control device and method | |
| CN105564248A (en) | Method for detecting interlock failure of connector in eco-friendly vehicle | |
| CN106535412B (en) | The digital simulation light adjusting circuit that a kind of port shares | |
| CN204161132U (en) | Electronlmobil emergency power-off device and system | |
| US20120044607A1 (en) | Overvoltage and Overcurrent Protection Scheme | |
| CN104426194A (en) | Charging method and charging equipment | |
| CN103729222B (en) | A kind of charger of configuration file and method | |
| CN112654525A (en) | Device and method for generating wake-up signal and charging interface | |
| JP5941718B2 (en) | Signal processing circuit, in-vehicle electronic control device, and mounting method of signal processing circuit in in-vehicle electronic control device | |
| CN207977911U (en) | A kind of motor driver | |
| CN109194199A (en) | parallel motor driver | |
| CN112526395B (en) | Vehicle-mounted display screen signal transmission detection device, method and system | |
| CN105359411B (en) | The control of electrical appliance | |
| JP5792830B2 (en) | Pulse signal output device | |
| CN202614895U (en) | Discharging device of three-phase reactor provided with capacitor | |
| Gross et al. | Development and validation of the wheel speed sensor interface based on V-model method | |
| CN106130134A (en) | A kind of charging circuit and mobile terminal | |
| CN111342836A (en) | Two-bus code sending drive circuit with protection control function | |
| CN205646943U (en) | Diverging device and high voltage charging circuit | |
| CN203949968U (en) | Vehicle-mounted current detection module | |
| CN204731378U (en) | A kind of USB control chip test circuit | |
| CN104242702A (en) | Busbar capacitance discharge protection circuit of photovoltaic inverter | |
| WO2020037465A1 (en) | Signal detection circuit and in-vehicle computer | |
| CN202351699U (en) | Detecting circuit of automobile switching value signal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |