CN103273877A - Controller of indicating board for school bus parking - Google Patents
Controller of indicating board for school bus parking Download PDFInfo
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- CN103273877A CN103273877A CN2013101842479A CN201310184247A CN103273877A CN 103273877 A CN103273877 A CN 103273877A CN 2013101842479 A CN2013101842479 A CN 2013101842479A CN 201310184247 A CN201310184247 A CN 201310184247A CN 103273877 A CN103273877 A CN 103273877A
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- school bus
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Abstract
The invention relates to a controller of an indicating board, in particular to a controller of an indicating board for school bus parking. The controller of the indicating board for school bus parking comprises a direct current gear motor module used for controlling the indicating board for school bus parking to stretch out and withdraw, a motor driving circuit used for controlling the direct current gear motor module to work, alarm and caution lamp circuits used for warning a driver and other vehicles of the working state of the indicating board for bus parking, and a switch circuit used for controlling the motor driving circuit and the alarm and caution lamp circuits to work, wherein the motor driving circuit is connected at the two ends of the direct current gear motor module and connected between a power source and the ground, and the alarm and caution lamp circuits are connected between the power source and the ground in parallel. The controller of the indicating board for school bus parking has the advantages of conforming to requirements of the technical specifications of the latest school bus safety technical conditions and being suitable for various school buses driven by gasoline or diesel, simple in circuit structure, low in production cost and easy to achieve.
Description
Technical field
The present invention relates to a kind of controller of direction board, especially a kind of controller of school bus stop signpost.
Background technology
According to the requirement of " school bus safety specification " (GB 24407-2012), special-purpose school bus must be installed a stop signpost in vehicle left side by as prescribed.When school bus in that various road conditions are interim when stopping upper and lower student, stop signpost is stretched out to 90 ° of upsets in the place ahead of vehicle, simultaneously red Warning light flicker, the synchronous buzzing of buzzer phone remains a safe distance behind the car in front stop-for-waiting to remind front vehicle; When school bus to overtake the time, stop signpost is packed up (Warning light and buzzer phone quit work thereupon) to the rear of vehicle, swipe when avoiding meeting.General school bus stop signpost device " stops " word board 4, turnover bracket 2, controller box 3 and Warning light 1 by anistree traffic sign usually to be formed, shown in Fig. 2,3.Anistree traffic sign " stops " color, shape, character, the figure of word board to be carried out according to Figure 71 of traffic sign GB 5768.2-2009, and external circle diameter is 500mm or 450mm, and the white edge width is 20mm.By the motor of controller and the turnover bracket motion of drop-gear box driving stop signpost, the upset of control " stopping " word board is stretched out and is regained for 90 °.Controller box 3 is made up of controller and housing.Warning light 1 adopts 4 groups of red LED lamp, be installed in respectively before and after the red board directly over the two sides and under.2 annunciators are installed in controller box and operator's compartment respectively.But controller complicated integral structure, the cost height of existing school bus stop signpost, be unfavorable for applying.
Summary of the invention
The school bus stop signpost controller that the purpose of this invention is to provide a kind of requirement that meets up-to-date " school bus safety specification " specification, be applicable to the school bus of various gasoline or diesel driven, circuit structure is simple, productive costs is low, is easy to realize.
The technical scheme that the present invention adopts for achieving the above object is: a kind of school bus stop signpost controller, this school bus stop signpost controller comprises: be used for the DC speed-reducing module that control school bus stop signpost is stretched out and regained, the motor-drive circuit that is used for the work of control DC speed-reducing module, be used for reminding annunciator and the warning light circuit of driver and other vehicle parking direction board mode of operation, be used for the switch circuit of control motor-drive circuit, annunciator and warning light circuit work; Motor-drive circuit be connected the two ends of DC speed-reducing module and be connected power supply and ground between, annunciator and warning light circuit are connected in parallel between power supply and ground.
Further technical scheme of the present invention is: described DC speed-reducing driving circuit comprises aerotron T1, aerotron T2, aerotron T3, aerotron T4, diode D1, diode D2, diode D3, diode D4 and a plurality of resistance, aerotron T1, aerotron T2, aerotron T3, aerotron T4 adopts H bridge-type connection mode to be connected the two ends of DC speed-reducing module, diode D1 is connected in parallel on the emitter and collector two ends of aerotron T1, diode D2 is connected in parallel on the emitter and collector two ends of aerotron T2, diode D3 is connected in parallel on the emitter and collector two ends of aerotron T3, diode D4 is connected in parallel on the emitter and collector two ends of aerotron T4, the aerotron T1 of H bridge circuit upside, the emitter of aerotron T3 is connected with power supply respectively, the aerotron T2 of H bridge circuit downside, the collecting electrode of aerotron T4 is ground connection respectively.
Described annunciator and warning light circuit comprise Warning light and the annunciator between power supply and ground parallel with one another, described annunciator comprises operator's compartment annunciator and control capsule annunciator in parallel, the operator's compartment annunciator is installed in the operator's compartment of school bus, and the control capsule annunciator is installed in the control capsule of stop signpost.
Described switch circuit comprises sound and light alarm K switch 1, regain limit switch K2, opening limit switch K3, ship type K switch 4, sound and light alarm K switch 1 is connected on Warning light and the annunciator ground terminal, first end of regaining limit switch K2 is connected with the base stage of aerotron T2 by current-limiting resistance R6, first end of regaining limit switch K2 also is connected with the base stage of aerotron T3 by current-limiting resistance R4, regain second end of limit switch K2 by ship type K switch 4 ground connection, first end of opening limit switch K3 is connected with the base stage of aerotron T1 by current-limiting resistance R5, first end of opening limit switch K3 also is connected with the base stage of aerotron T4 by current-limiting resistance R3, and second end of opening limit switch K3 is also by ship type K switch 4 ground connection.
First end of described opening limit switch K3 also is connected with power supply by pull-up resistor R1, and first end of described withdrawal limit switch K2 also is connected with power supply by pull-up resistor R2.
Because adopt technique scheme, the present invention's school bus stop signpost controller has following beneficial effect:
1. this school bus stop signpost controller meets the requirement of up-to-date " school bus safety specification " (GB 24407-2012) specification;
2. the power supply of this school bus stop signpost controller has 12V and two kinds of selections of 24V, is applicable to the school bus of various gasoline or diesel driven;
3. this school bus stop signpost controller has that circuit structure is simple, productive costs is low, is easy to realize controlling requirement, be convenient to the characteristics that the driver controls.
Below in conjunction with the drawings and specific embodiments school bus stop signpost controller of the present invention is described further.
Description of drawings
Fig. 1 is school bus stop signpost controller circuitry schematic diagram of the present invention;
Fig. 2 is the structural representation of school bus stop signpost;
Fig. 3 is the lateral plan that figure is.
The specific embodiment
As shown in Figure 1, school bus stop signpost controller of the present invention, this school bus stop signpost controller comprises: be used for the DC speed-reducing module that control school bus stop signpost is stretched out and regained, the motor-drive circuit that is used for the work of control DC speed-reducing module, be used for reminding annunciator and the warning light circuit of driver and other vehicle parking direction board mode of operation, be used for the switch circuit of control motor-drive circuit, annunciator and warning light circuit work.Motor-drive circuit be connected the two ends of DC speed-reducing module and be connected power supply and ground between, annunciator and warning light circuit are connected in parallel between power supply and ground.
Described DC speed-reducing driving circuit comprises aerotron T1; aerotron T2; aerotron T3; aerotron T4; diode D1; diode D2; diode D3; diode D4 and a plurality of resistance; aerotron T1; aerotron T2; aerotron T3; aerotron T4 adopts H bridge-type connection mode to be connected the two ends of DC speed-reducing module; diode D1 is connected in parallel on the emitter and collector two ends of aerotron T1; diode D2 is connected in parallel on the emitter and collector two ends of aerotron T2; diode D3 is connected in parallel on the emitter and collector two ends of aerotron T3; diode D4 is connected in parallel on the emitter and collector two ends of aerotron T4, and each diode is respectively applied to protect corresponding aerotron.The aerotron T1 of H bridge circuit upside, the emitter of aerotron T3 are connected with power supply respectively, and the aerotron T2 of H bridge circuit downside, the collecting electrode of aerotron T4 be ground connection respectively.
Described annunciator and warning light circuit comprise Warning light L and annunciator B1, the B2 between power supply and ground parallel with one another, described annunciator comprises operator's compartment annunciator B1 and control capsule annunciator B2 in parallel, the operator's compartment annunciator is installed in the operator's compartment of school bus, and the control capsule annunciator is installed in the control capsule of stop signpost.
Described switch circuit comprises sound and light alarm K switch 1, regain limit switch K2, opening limit switch K3, ship type K switch 4, sound and light alarm K switch 1 is connected on Warning light and the annunciator ground terminal, first end of regaining limit switch K2 is connected with the base stage of aerotron T2 by current-limiting resistance R6, first end of regaining limit switch K2 also is connected with the base stage of aerotron T3 by current-limiting resistance R4, first end of regaining limit switch K2 also is connected with power supply by pull-up resistor R2, regain second end of limit switch K2 by ship type K switch 4 ground connection, first end of opening limit switch K3 is connected with the base stage of aerotron T1 by current-limiting resistance R5, first end of opening limit switch K3 also is connected with the base stage of aerotron T4 by current-limiting resistance R3, first end of opening limit switch K3 also is connected with power supply by pull-up resistor R1, and second end of opening limit switch K3 is also by ship type K switch 4 ground connection.Sound and light alarm K switch 1, withdrawal limit switch K2, opening limit switch K3 are installed in respectively in the rotating shaft of DC speed-reducing in the control capsule.
School bus stop signpost controller of the present invention adopts manual master mode, and the control button is ship type K switch 4, and its mode of operation is three kinds of " opening ", " closing ", " withdrawals ".Click the ship type K switch 4 that is installed in operator's compartment, make it place closed condition, all not conductings of each control loop of controller, stop signpost is not worked.
Click ship type K switch 4, make it place open mode, then aerotron T1 and T4 conducting, and aerotron T2 and T3 end, this moment, the DC speed-reducing module got electricly, and DC speed-reducing is just being changeed the driving turnover bracket, and control school bus stop signpost is stretched out toward vehicle front in 90 ° the mode of overturning.Simultaneously, be installed in sound and light alarm K switch 1 closure of control capsule, be installed in the alternately flicker of Warning light L on the direction board; Two annunciators that are installed in controller box and operator's compartment are also being followed the synchronous buzzing of Warning light L, and annunciator sound is with footway traffic lights buzzing sound, and buzzerphone is piccolo.When the school bus stop signpost is stretched out within 10s and during perpendicular to automobile side, opening installation at the opening limit switch K3 of control capsule by the normally closed open mode that transfers to, the control circuit dead electricity of DC speed-reducing module, this moment, DC speed-reducing quit work, direction board is in full open position, and Warning light and annunciator also work on.
Click ship type K switch 4, make it place retracted state, then aerotron T2 and T3 conducting, and aerotron T1 and T4 end, this moment, the DC speed-reducing module got electricly, and the DC speed-reducing counter-rotating drives turnover bracket and regains, and the control direction board is packed up toward the rear of vehicle, simultaneously, Warning light and annunciator also work on.When stop signpost is packed up within 10s when putting in place, opening installation at the withdrawal limit switch K2 of control capsule by the normally closed open mode that transfers to, the control circuit dead electricity of DC speed-reducing module, this moment, DC speed-reducing quit work, direction board is got back to the normal position, sound and light alarm K switch 1 is in normally open, and Warning light and annunciator quit work thereupon.
Claims (5)
1. school bus stop signpost controller, it is characterized in that, this school bus stop signpost controller comprises: be used for the DC speed-reducing module that control school bus stop signpost is stretched out and regained, the motor-drive circuit that is used for the work of control DC speed-reducing module, be used for reminding annunciator and the warning light circuit of driver and other vehicle parking direction board mode of operation, be used for the switch circuit of control motor-drive circuit, annunciator and warning light circuit work; Motor-drive circuit be connected the two ends of DC speed-reducing module and be connected power supply and ground between, annunciator and warning light circuit are connected in parallel between power supply and ground.
2. school bus stop signpost controller as claimed in claim 1, it is characterized in that, described DC speed-reducing driving circuit comprises aerotron T1, aerotron T2, aerotron T3, aerotron T4, diode D1, diode D2, diode D3, diode D4 and a plurality of resistance, aerotron T1, aerotron T2, aerotron T3, aerotron T4 adopts H bridge-type connection mode to be connected the two ends of DC speed-reducing module, diode D1 is connected in parallel on the emitter and collector two ends of aerotron T1, diode D2 is connected in parallel on the emitter and collector two ends of aerotron T2, diode D3 is connected in parallel on the emitter and collector two ends of aerotron T3, diode D4 is connected in parallel on the emitter and collector two ends of aerotron T4, the aerotron T1 of H bridge circuit upside, the emitter of aerotron T3 is connected with power supply respectively, the aerotron T2 of H bridge circuit downside, the collecting electrode of aerotron T4 is ground connection respectively.
3. school bus stop signpost controller as claimed in claim 1, it is characterized in that, described annunciator and warning light circuit comprise Warning light and the annunciator between power supply and ground parallel with one another, described annunciator comprises operator's compartment annunciator and control capsule annunciator in parallel, the operator's compartment annunciator is installed in the operator's compartment of school bus, and the control capsule annunciator is installed in the control capsule of stop signpost.
4. school bus stop signpost controller as claimed in claim 1, it is characterized in that, described switch circuit comprises sound and light alarm K switch 1, regain limit switch K2, opening limit switch K3, ship type K switch 4, sound and light alarm K switch 1 is connected on Warning light and the annunciator ground terminal, first end of regaining limit switch K2 is connected with the base stage of aerotron T2 by current-limiting resistance R6, first end of regaining limit switch K2 also is connected with the base stage of aerotron T3 by current-limiting resistance R4, regain second end of limit switch K2 by ship type K switch 4 ground connection, first end of opening limit switch K3 is connected with the base stage of aerotron T1 by current-limiting resistance R5, first end of opening limit switch K3 also is connected with the base stage of aerotron T4 by current-limiting resistance R3, and second end of opening limit switch K3 is also by ship type K switch 4 ground connection.
5. school bus stop signpost controller as claimed in claim 4 is characterized in that, first end of described opening limit switch K3 also is connected with power supply by pull-up resistor R1, and first end of described withdrawal limit switch K2 also is connected with power supply by pull-up resistor R2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101842479A CN103273877A (en) | 2013-05-17 | 2013-05-17 | Controller of indicating board for school bus parking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101842479A CN103273877A (en) | 2013-05-17 | 2013-05-17 | Controller of indicating board for school bus parking |
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| Publication Number | Publication Date |
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| CN103273877A true CN103273877A (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101842479A Pending CN103273877A (en) | 2013-05-17 | 2013-05-17 | Controller of indicating board for school bus parking |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4816804A (en) * | 1987-04-01 | 1989-03-28 | School Bus Parts Co. Of Canada Inc. | School bus stop sign control apparatus |
| US20040232859A1 (en) * | 2003-05-21 | 2004-11-25 | Phillips William R. | Method and apparatus for operating a vehicle safety arm |
| CN201145958Y (en) * | 2008-02-04 | 2008-11-05 | 李宗尧 | Automobile electromotion parking signal arm |
| CN102545752A (en) * | 2011-12-31 | 2012-07-04 | 北京中科微电子技术有限公司 | Protective circuit of stepping motor driving circuit |
| CN202896400U (en) * | 2012-11-02 | 2013-04-24 | 河南少林汽车股份有限公司 | Parking indicator controller of school bus |
| CN203344813U (en) * | 2013-05-17 | 2013-12-18 | 柳州职业技术学院 | School bus stop sign controller |
-
2013
- 2013-05-17 CN CN2013101842479A patent/CN103273877A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4816804A (en) * | 1987-04-01 | 1989-03-28 | School Bus Parts Co. Of Canada Inc. | School bus stop sign control apparatus |
| US20040232859A1 (en) * | 2003-05-21 | 2004-11-25 | Phillips William R. | Method and apparatus for operating a vehicle safety arm |
| CN201145958Y (en) * | 2008-02-04 | 2008-11-05 | 李宗尧 | Automobile electromotion parking signal arm |
| CN102545752A (en) * | 2011-12-31 | 2012-07-04 | 北京中科微电子技术有限公司 | Protective circuit of stepping motor driving circuit |
| CN202896400U (en) * | 2012-11-02 | 2013-04-24 | 河南少林汽车股份有限公司 | Parking indicator controller of school bus |
| CN203344813U (en) * | 2013-05-17 | 2013-12-18 | 柳州职业技术学院 | School bus stop sign controller |
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Application publication date: 20130904 |