CN206439138U - A kind of automobile start protects system - Google Patents
A kind of automobile start protects system Download PDFInfo
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- CN206439138U CN206439138U CN201621477184.1U CN201621477184U CN206439138U CN 206439138 U CN206439138 U CN 206439138U CN 201621477184 U CN201621477184 U CN 201621477184U CN 206439138 U CN206439138 U CN 206439138U
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- protection module
- starting
- start protection
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Abstract
The utility model is related to a kind of automobile start protection system, it is characterised in that：The series connection start protection module in protection circuit; and force switch of being connected between starter relay and ignition switch constitutes double protection circuits; wherein force switch has working station indicator; starting system circuit connection state during for indicating that emergency vehicle is started; there is self-locking protecting device simultaneously, for preventing because maloperation force switch causes circuit connection to enter emergency start pattern.Starting frequency control unit, single is integrated with start protection module to start duration control unit and protect control unit after starting; it introduces single and starts protection control and starting frequency control after duration control, starting; the probability of Fraquent start when greatly reducing long, improves the reliability of starting system.
Description
Technical field
The utility model is related to a kind of automobile start protection system, belongs to technical field of automotive electronics.
Background technology
Starting system is related to the parts such as battery, starter, engine, is a huge and complicated system, and it is vapour
The prerequisite that car is normally run, its importance is self-evident.However, due to it is following several long when frequent state of starting operating when have hair
It is raw, very big hidden danger is brought to starting system.
1）After engine is started successfully, fail to discharge key in time, cause starter to be dragged by counter, shorten starter and use
Life-span.
2）During the offline first start of new car, because having residual air, engine starting difficulty, during operating personnel president in oil circuit
Fraquent start vehicle, causes starter and battery damage.
3）Situations such as oil circuit breaks down, Fraquent start vehicle when long, causes starter and battery damage.
4）Under discharged or defective battery state, Fraquent start vehicle when long causes battery damage.
Above mentioned problem how is tackled, the reliability of starting system is improved, will be a highly beneficial trial.
The content of the invention
The purpose of this utility model is to provide a kind of automobile start protection system, and it introduces single and starts duration control, rises
Protection control and starting frequency control after dynamic, the probability of Fraquent start when greatly reducing long improve the reliable of starting system
Property.
What the technical solution of the utility model was realized in：A kind of automobile start protects system, by ignition switch, starts
The protection circuit that relay, start protection module, force switch, crankshaft position sensor, environment temperature sensor are constituted, it is special
Levy and be：The series connection start protection module in protection circuit, and the series connection force switch structure between starter relay and ignition switch
Protection circuit in pairs, wherein force switch have working station indicator, starting system electricity during for indicating that emergency vehicle is started
Road connection status, while there is self-locking protecting device, for preventing because maloperation force switch causes circuit connection to enter emergent
Starting pattern；Starting frequency control unit, single is integrated with start protection module to start duration control unit and protect after starting
Protect control unit, the output end OUT_01 connection starter relay control ends of start protection module, the output of start protection module
Hold OUT_02 connection crankshaft position sensor power ends, the output end OUT_03 connection crankshaft position sensors of start protection module
With environment temperature sensor ground terminal, power supply and ground connect the input IN_01 and IN_02 of start protection module, point respectively
The input IN_03 and IN_04 of ON grade and ST grade of fire switch connection start protection module respectively, force switch and ignition switch,
The input IN_05 connections of starter relay controller end and start protection module, CRANK SENSOR end starts
Machine tach signal, is connected with the input IN_06 of start protection module, environment temperature sensor signal end, i.e. environment temperature letter
Number, it is connected with the input IN_07 of start protection module.
Good effect of the present utility model be its by building the opposed-voltage protective system using start protection module as core, draw
Enter single and start protection control and starting frequency control after duration control, starting, ignition switch, starting relay are connected by wire harness
Device, force switch, crankshaft position sensor and environment temperature sensor；Force switch is used in start protection Module Fail,
Directly ST grades of ignition switch and starter relay control end are connected, ensureing that emergency vehicle is started as redundant circuit needs
Ask, the probability of Fraquent start when greatly reducing long improves the reliability of starting system.
Brief description of the drawings
Fig. 1 is circuit connection diagram of the present utility model.
Fig. 2 is start protection module principle figure of the present utility model.
Fig. 3 is force switch signal acquisition circuit schematic diagram of the present utility model.
Embodiment
Progressive explanation is done to the utility model below in conjunction with the accompanying drawings：As shown in Figure 1, 2, a kind of automobile start protection system,
By structures such as ignition switch, starter relay, start protection module, force switch, crankshaft position sensor, environment temperature sensors
Into protection circuit, it is characterised in that：The series connection start protection module in protection circuit, and in starter relay and ignition switch
Between series connection force switch constitute double protection circuits, starting frequency control unit, single are wherein integrated with start protection module and is risen
Control unit, the output end OUT_01 connection starter relay controls of start protection module are protected after dynamic duration control unit and starting
End processed, the output end OUT_02 connection crankshaft position sensor power ends of start protection module, the output end of start protection module
OUT_03 connection crankshaft position sensors and environment temperature sensor ground terminal, power supply and ground connect start protection module respectively
Input IN_01 and IN_02, the input IN_03 and IN_ of the connection start protection module respectively of ON grades of ignition switch and ST grade
04, force switch is connected with the input IN_05 of ignition switch, starter relay controller end and start protection module, bent axle
Position sensor signal end（Engine rotational speed signal）It is connected with the input IN_06 of start protection module, environment temperature sensing
Device signal end（Ambient temperature signal）It is connected with the input IN_07 of start protection module.
As shown in Figure 1, 2, during start protection pattern circuit be electric current from battery positive voltage outflow, by ignition switch,
Dynamic protection module, starter relay, starter, flow back to battery terminal negative.
As shown in Figure 1,3, when emergency start pattern is opened electric current from battery positive voltage, ignition switch, force switch,
Motor type relay, starter, flow back to battery terminal negative.Force switch is used in start protection Module Fail, directly by point
ST grade of fire switch and starter relay control end are connected, and when vehicle is in neutral gear, ignition switch is placed in ST grades, can be across
Start protection module across-the-line starting engine, ensures that emergency vehicle starts demand as redundant circuit.Force switch has work
Status indicator lamp, starting system circuit connection state during for indicating that emergency vehicle is started, while having self-locking protecting device, is used
In prevent because maloperation force switch cause circuit connection enter emergency start pattern.
The single being integrated in start protection module starts duration control unit and set according to supply voltage, ambient temperature signal
Order time starts duration limit value, reaches the control end output that starter relay is cut off after corresponding limit value, into start protection state,
Be delayed 20s, exits start protection state, i.e., detects ST grades of rising edge normal responses of ignition switch again；Protected after starting single
Member starts successful criterion using idling speed as engine according to engine rotational speed signal, and engine is cut off after starting successfully
Again the control end output of starter relay, into start protection state, after engine misses, exit start protection state, i.e.,
Detect ST grades of rising edge normal responses of ignition switch；Starting frequency control unit monitors ignition switchs ST grades of operating frequencies,
Started in 120s more than the starting time in 5 times or 120s more than 70s, the control end output of cut-out starter relay, into starting
After guard mode, delay 60s, start protection state is exited, i.e., detects ST grades of rising edge normal responses of ignition switch again.
Control unit is protected to obtain engine rotational speed signal according to crankshaft position sensor after the starting of start protection module,
Successful criterion is started using idling speed as engine, the control end of cut-out starter relay is defeated after engine is started successfully
Go out, into start protection state, after engine misses, exit start protection state, i.e., detect again on ignition switch ST shelves
Rise along normal response.
The starting frequency control unit of start protection module is under conditions of start protection state is introduced into, and monitors ignition is opened
ST grades of operating frequencies are closed, ST grades of rising edges are detected for the first time and start timing, when the interior startings of 120s in 5 times or 120s more than starting
Between more than 70s, the control end output of cut-out starter relay into start protection state, after delay 60s, exits start protection
State, i.e., detect ST grades of rising edge normal responses of ignition switch again.
Claims (1)
1. a kind of automobile start protects system, by ignition switch, starter relay, start protection module, force switch, bent axle position
Put the protection circuit that sensor, environment temperature sensor are constituted, it is characterised in that：The series connection start protection mould in protection circuit
Block, and series connection force switch constitutes double protection circuits between starter relay and ignition switch, wherein force switch has work
Status indicator lamp, starting system circuit connection state during for indicating that emergency vehicle is started, while having self-locking protecting device, is used
In prevent because maloperation force switch cause circuit connection enter emergency start pattern；Starting frequency is integrated with start protection module
Rate control unit, single start duration control unit and protect control unit, the output end OUT_ of start protection module after starting
01 connection starter relay control end, the output end OUT_02 connection crankshaft position sensor power ends of start protection module rise
The output end OUT_03 connection crankshaft position sensors and environment temperature sensor ground terminal of dynamic protection module, power supply and ground point
Not Lian Jie start protection module input IN_01 and IN_02, the connection start protection module respectively of ON grades of ignition switch and ST grade
Input IN_03 and IN_04, force switch is defeated with ignition switch, starter relay controller end and start protection module
Enter to hold IN_05 to connect；CRANK SENSOR end, i.e. engine rotational speed signal, the input IN_ with start protection module
06 connection；Environment temperature sensor signal end, i.e. ambient temperature signal, are connected with the input IN_07 of start protection module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621477184.1U CN206439138U (en) | 2016-12-30 | 2016-12-30 | A kind of automobile start protects system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621477184.1U CN206439138U (en) | 2016-12-30 | 2016-12-30 | A kind of automobile start protects system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206439138U true CN206439138U (en) | 2017-08-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621477184.1U Active CN206439138U (en) | 2016-12-30 | 2016-12-30 | A kind of automobile start protects system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206439138U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108297693A (en) * | 2018-02-09 | 2018-07-20 | 广汽丰田汽车有限公司 | Electric vehicle and its high-voltage electricity on-off control method thereof, storage medium |
| CN111997806A (en) * | 2020-08-14 | 2020-11-27 | 东风商用车有限公司 | Engine emergency starting control method |
| CN112012862A (en) * | 2020-09-01 | 2020-12-01 | 潍柴动力股份有限公司 | Starter control method and device, whole vehicle control system and mining truck |
-
2016
- 2016-12-30 CN CN201621477184.1U patent/CN206439138U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108297693A (en) * | 2018-02-09 | 2018-07-20 | 广汽丰田汽车有限公司 | Electric vehicle and its high-voltage electricity on-off control method thereof, storage medium |
| CN111997806A (en) * | 2020-08-14 | 2020-11-27 | 东风商用车有限公司 | Engine emergency starting control method |
| CN111997806B (en) * | 2020-08-14 | 2021-10-15 | 东风商用车有限公司 | Engine emergency starting control method |
| CN112012862A (en) * | 2020-09-01 | 2020-12-01 | 潍柴动力股份有限公司 | Starter control method and device, whole vehicle control system and mining truck |
| CN112012862B (en) * | 2020-09-01 | 2021-12-21 | 潍柴动力股份有限公司 | Starter control method and device, whole vehicle control system and mining truck |
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