CN203228720U - Control circuit for retracting and releasing stopping signal plate of school bus - Google Patents
Control circuit for retracting and releasing stopping signal plate of school bus Download PDFInfo
- Publication number
- CN203228720U CN203228720U CN 201320254938 CN201320254938U CN203228720U CN 203228720 U CN203228720 U CN 203228720U CN 201320254938 CN201320254938 CN 201320254938 CN 201320254938 U CN201320254938 U CN 201320254938U CN 203228720 U CN203228720 U CN 203228720U
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- Prior art keywords
- open
- folding
- stop signpost
- unfolding
- car load
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Abstract
The utility model discloses a control circuit for retracting and releasing a stopping signal plate of a school bus. The stopping signal plate can be automatically retracted after the school bus is started. The control circuit comprises a storage battery, a stopping signal plate switch, a stopping signal plate retracting and releasing driving unit, a door pump switch, a starting judgment unit and a vehicle speed sampling unit, wherein the stopping signal plate switch comprises a normally open and normally closed contact set; a moving contact of the normally open and normally closed contact set is connected with the anode of an entire power supply, and two normally open stationary contacts of the normally open and normally closed contact set are connected with the plate retracting control end and the plate releasing control end of the stopping signal plate retracting and releasing driving unit respectively; the input end of the starting judgment unit is connected with the output end of the vehicle speed sampling unit, and the output end of the starting judgment unit is connected with the plate retracting control end of the stopping signal plate retracting and releasing driving unit; the door pump switch comprises a plate control normally open and normally closed contact set; and a moving contact of the plate control normally open and normally closed contact set is connected with the anode of the entire power supply, and two normally open stationary contacts of the plate control normally open and normally closed contact set are connected with the plate retracting control end and the plate releasing control end of the stopping signal plate retracting and releasing driving unit respectively. The control circuit is mainly used for various school buses.
Description
Technical field
The utility model relates to a kind of electric control circuit, refers more particularly to the control circuit of folding and unfolding stop signpost on the special-purpose school bus.
Background technology
Clear and definite regulation in " special-purpose school bus safety specification " must be installed stop signpost in the left side of school bus, the stretching out of stop signpost (also claiming to emit) and pack up and must be controlled separately by switch by chaufeur; If during vehicle start, stop signpost is not packed up, and when the speed of a motor vehicle 〉=5KM/h, stop signpost should be able to be packed up automatically.
For satisfying above engineering factor to the specific (special) requirements of stop signpost, need the stop signpost of customized design school bus to pack up the control circuit of (return) automatically, provide functional guarantee to the safe operation of school bus.In addition, congratulate the person of sailing when each parking, starting, the switch of all wanting frequent operation to be used for the folding and unfolding stop signpost is realized the folding and unfolding of stop signpost.Like this, on the one hand, shorten the service life of the switch that is specifically designed to the folding and unfolding of control stop signpost, also increased the burden of congratulating the person of sailing on the other hand.
The utility model content
Technical problem to be solved in the utility model is: provide a kind of on the school bus that stop signpost behind the vehicle start can bounce back automatically the control circuit of folding and unfolding stop signpost.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the control circuit of folding and unfolding stop signpost on the school bus, comprise storage battery, the stop signpost switch, stop signpost folding and unfolding driver element and door switch pump, starting identifying unit and speed of a motor vehicle sampling unit, the positive pole of storage battery links to each other with the car load positive source, the negative pole of storage battery links to each other with car load bonding end, the power end of stop signpost folding and unfolding driver element links to each other with the car load positive source, the ground terminal of stop signpost folding and unfolding driver element links to each other with car load bonding end, the stop signpost switch comprises that is often opened an open contact group, this is often opened the open contact group and comprises a moving contact, one closes board and often opens break back contact and one and open board and often open break back contact, moving contact links to each other with the car load positive source, close board often open break back contact with open board often open break back contact respectively with the pass board control end of stop signpost folding and unfolding driver element with open the board control end and link to each other; The power end of described starting identifying unit links to each other with the car load positive source, the ground terminal of starting identifying unit links to each other with car load bonding end, the input end of starting identifying unit links to each other with the mouth of speed of a motor vehicle sampling unit, the mouth of starting identifying unit links to each other with the pass board control end of stop signpost folding and unfolding driver element, described door switch pump includes one and is used for control and opens, the gate of pass passenger door often opens the open contact group and the open contact group is often opened in a board control that is used for control folding and unfolding stop signpost, the board control is often opened the open contact group and is comprised a moving contact, one closes board and often opens break back contact and one and open board and often open break back contact, moving contact links to each other with the car load positive source, close board often open break back contact with open board often open break back contact respectively with the pass board control end of stop signpost folding and unfolding driver element with open the board control end and link to each other.
Described door switch pump is the rocker type switch of double-pole double-shift type, and described stop signpost switch is hilted broadsword double-shift type type ship shape switch.
Be provided with first wire fuse between the moving contact of described stop signpost switch and the car load positive source.
The moving contact that the open contact group is often opened in the board control of described door switch pump links to each other with the car load positive source by first wire fuse.
Be provided with second wire fuse between the power end of described starting identifying unit and the car load positive source.
Be provided with the 3rd wire fuse between the positive pole of described storage battery and the car load positive source.
The beneficial effects of the utility model are: the utility model is by organically being dissolved into door switch pump, speed of a motor vehicle sampling unit in the vehicle in the control circuit of folding and unfolding stop signpost, make when vehicle start, if stop signpost is not packed up, usually when the speed of a motor vehicle 〉=5KM/h, stop signpost can be packed up automatically, like this with regard to make the folding and unfolding of stop signpost the meet regulation of " special-purpose school bus safety specification "; In addition, chaufeur can also be controlled when a switch pump opens and closes passenger door and directly the folding and unfolding of stop signpost be controlled, reduced once the stop signpost switch, thereby not only alleviated the burden of chaufeur, but also prolonged the service life of stop signpost switch.And stop signpost switch 2 is chaufeur is used for the control stop signpost in the normal driving process of school bus folding and unfolding.
Description of drawings
Fig. 1 is the electric theory structure scheme drawing of control circuit described in the utility model.
Among Fig. 1: 1, storage battery, 2, the stop signpost switch, 3, the door switch pump, 31, gate is often opened the open contact group, and 32, the board control often opens the open contact group, 4, stop signpost folding and unfolding driver element, 41, open the board control end, 42, close the board control end, 5, the starting identifying unit, 6, speed of a motor vehicle sampling unit, 7, first wire fuse, 8, second wire fuse, the 9, the 3rd wire fuse, the 10, the 4th wire fuse.
The specific embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present utility model in detail.
As shown in Figure 1, the control circuit of folding and unfolding stop signpost on the school bus described in the utility model, comprise storage battery 1, stop signpost switch 2, stop signpost folding and unfolding driver element 4 and door switch pump 3, starting identifying unit 5 and speed of a motor vehicle sampling unit 6, the positive pole of storage battery 1 links to each other with the car load positive source by the 3rd wire fuse 9, the negative pole of storage battery 1 links to each other with car load bonding end, the power end of described stop signpost folding and unfolding driver element 4 links to each other with the car load positive source, the ground terminal of stop signpost folding and unfolding driver element 4 links to each other with car load bonding end, stop signpost switch 2 includes one and often opens the open contact group, this is often opened the open contact group and comprises a moving contact, one closes board and often opens break back contact and one and open board and often open break back contact, moving contact links to each other with the car load positive source by first wire fuse 7, the pass board often open break back contact with open board often open break back contact respectively with the pass board control end 42 of stop signpost folding and unfolding driver element 4 with open board control end 41 and link to each other; The power end of described starting identifying unit 5 links to each other with the car load positive source by second wire fuse 8, the ground terminal of starting identifying unit 5 links to each other with car load bonding end, the input end of starting identifying unit 5 links to each other with the mouth of speed of a motor vehicle sampling unit 6, the mouth of starting identifying unit 5 links to each other with the pass board control end 42 of stop signpost folding and unfolding driver element 4, described door switch pump 3 includes one and is used for control and opens, the gate of pass passenger door often opens open contact group 31 and open contact group 32 is often opened in a board control that is used for control folding and unfolding stop signpost, gate is often opened open contact group 31 and is included a moving contact, close the door for one and often open break back contact and one and open the door and often open break back contact, moving contact links to each other with the car load positive source by the 4th wire fuse 10, close the door and often open break back contact and opening the door and often open break back contact and link the pass gate control circuit of passenger door and the control circuit that opens the door respectively, gate is often opened open contact group 31 and is included a moving contact, one closes board and often opens break back contact and one and open board and often open break back contact, moving contact links to each other with the moving contact of stop signpost switch 2, the moving contact that makes the board control often open open contact group 32 also links to each other with the car load positive source (share first wire fuse 7) by first wire fuse 7, close board often open break back contact with open board often open break back contact respectively with the pass board control end 42 of stop signpost folding and unfolding driver element 4 with open board control end 41 and link to each other.In the present embodiment, described door switch pump 3 is double-pole double-shift type rocker type switch (also claiming the crawl rocker switch), and described stop signpost switch 2 is hilted broadsword double-shift type rocker type switch.So-called double-shift type rocker type switch is example with stop signpost switch 2, and in the time of one grade, moving contact is often opened break back contact and connected with closing board, and two grades be neutral gear, during third gear, moving contact with open board and often open the break back contact connection.
Working process of the present utility model is: when school bus normally used, chaufeur was controlled the folding and unfolding of stop signpost by stop signpost switch 2, has realized the independent control of stop signpost.And when school bus arrived at a station and start to walk, driver's operation door switch pump 3 was controlled the Kai Heguan of passenger door, because door switch pump 3 is crawl rocker switchs of two groups of interlocks, chaufeur is when the operation passenger door is opened and closed, and the folding and unfolding of stop signpost has been controlled in interlock.Behind vehicle start, stop signpost is not in time closed when packing up, the vehicle speed signal that starting identifying unit 5 transmitted according to speed of a motor vehicle sampling unit 6 judges whether vehicle starts to walk, when the speed of a motor vehicle 〉=5KM/h, starting identifying unit 5 is judged to be vehicle and starts to walk, stop signpost is in time packed up and closed to its mouth output high level to the pass board control end 42 of stop signpost folding and unfolding driver element 4 by stop signpost folding and unfolding driver element 4.
Claims (9)
1. the control circuit of folding and unfolding stop signpost on the school bus, comprise: storage battery (1), stop signpost switch (2) and stop signpost folding and unfolding driver element (4), the positive pole of storage battery (1) links to each other with the car load positive source, the negative pole of storage battery (1) links to each other with car load bonding end, the power end of stop signpost folding and unfolding driver element (4) links to each other with the car load positive source, the ground terminal of stop signpost folding and unfolding driver element (4) links to each other with car load bonding end, stop signpost switch (2) includes one and often opens the open contact group, this is often opened the open contact group and comprises a moving contact, one closes board and often opens break back contact and one and open board and often open break back contact, moving contact links to each other with the car load positive source, close board often open break back contact with open board often open break back contact respectively with the pass board control end of stop signpost folding and unfolding driver element (4) with open the board control end and link to each other; It is characterized in that, described ON-OFF control circuit also includes a switch pump (3), starting identifying unit (5) and speed of a motor vehicle sampling unit (6), the power end of starting identifying unit (5) links to each other with the car load positive source, the ground terminal of starting identifying unit (5) links to each other with car load bonding end, the input end of starting identifying unit (5) links to each other with the mouth of speed of a motor vehicle sampling unit (6), the mouth of starting identifying unit (5) links to each other with the pass board control end of stop signpost folding and unfolding driver element (4), described door switch pump (3) includes one and is used for control and opens, the gate of pass passenger door often opens the open contact group and the open contact group is often opened in a board control that is used for control folding and unfolding stop signpost, the board control is often opened the open contact group and is comprised a moving contact, one closes board and often opens break back contact and one and open board and often open break back contact, moving contact links to each other with the car load positive source, close board often open break back contact with open board often open break back contact respectively with the pass board control end of stop signpost folding and unfolding driver element (4) with open the board control end and link to each other.
2. the control circuit of folding and unfolding stop signpost as claimed in claim 1 is characterized in that, described door switch pump (3) is the rocker type switch of double-pole double-shift type, and described stop signpost switch (2) is hilted broadsword double-shift type rocker type switch.
3. the control circuit of folding and unfolding stop signpost as claimed in claim 1 or 2 is characterized in that, is provided with first wire fuse (7) between the moving contact of described stop signpost switch (2) and the car load positive source.
4. the control circuit of folding and unfolding stop signpost as claimed in claim 3 is characterized in that, the moving contact that the open contact group is often opened in the board control of described door switch pump (3) links to each other with the car load positive source by first wire fuse (7).
5. the control circuit of folding and unfolding stop signpost as claimed in claim 1 or 2 is characterized in that, is provided with second wire fuse (8) between the power end of described starting identifying unit (5) and the car load positive source.
6. the control circuit of folding and unfolding stop signpost as claimed in claim 1 or 2 is characterized in that, is provided with the 3rd wire fuse (9) between the positive pole of described storage battery (1) and the car load positive source.
7. the control circuit of folding and unfolding stop signpost as claimed in claim 3 is characterized in that, is provided with the 3rd wire fuse (9) between the positive pole of described storage battery (1) and the car load positive source.
8. the control circuit of folding and unfolding stop signpost as claimed in claim 4 is characterized in that, is provided with the 3rd wire fuse (9) between the positive pole of described storage battery (1) and the car load positive source.
9. the control circuit of folding and unfolding stop signpost as claimed in claim 5 is characterized in that, is provided with the 3rd wire fuse (9) between the positive pole of described storage battery (1) and the car load positive source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320254938 CN203228720U (en) | 2013-05-10 | 2013-05-10 | Control circuit for retracting and releasing stopping signal plate of school bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320254938 CN203228720U (en) | 2013-05-10 | 2013-05-10 | Control circuit for retracting and releasing stopping signal plate of school bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203228720U true CN203228720U (en) | 2013-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320254938 Withdrawn - After Issue CN203228720U (en) | 2013-05-10 | 2013-05-10 | Control circuit for retracting and releasing stopping signal plate of school bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203228720U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241198A (en) * | 2013-05-10 | 2013-08-14 | 江苏友谊汽车有限公司 | Control circuit for stretching and retraction of stop sign on school bus |
-
2013
- 2013-05-10 CN CN 201320254938 patent/CN203228720U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241198A (en) * | 2013-05-10 | 2013-08-14 | 江苏友谊汽车有限公司 | Control circuit for stretching and retraction of stop sign on school bus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131009 Effective date of abandoning: 20141217 |
|
| RGAV | Abandon patent right to avoid regrant |