CN206106963U - Safety arrangement is synthesized in miniwatt electric motor car - Google Patents
Safety arrangement is synthesized in miniwatt electric motor car Download PDFInfo
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- CN206106963U CN206106963U CN201621057455.8U CN201621057455U CN206106963U CN 206106963 U CN206106963 U CN 206106963U CN 201621057455 U CN201621057455 U CN 201621057455U CN 206106963 U CN206106963 U CN 206106963U
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Abstract
The utility model relates to a safety arrangement is synthesized in miniwatt electric motor car, including switch, signal processor, the signal input output port of the switch the first signal output input port through two -way signal line and signal processor corresponds and meets, and power input output port meets through the power input output port of power cord with the battery, and the power input port and the power output port of charger meet, and the power input port of first power output port and controller meets, the power output port of battery meets with signal processor's power input port, and signal output part and signal processor's signal input port meet, signal processor's the 2nd signal input output port corresponds with the signal output input port of controller and meets, and the 3rd signal input output port corresponds with charger signal output input port and meets. The utility model discloses discovery in time may produce the sign of potential safety hazard, automatic cutout accumulator output return circuit.
Description
Technical field
The utility model relates to a kind of small power electric motor-car comprehensive safety protection device, is mainly used in electric bicycle
Circuit, category electronic circuit technology field.
Background technology
Small power electric motor-car has a complex electronic circuit system, including accumulator, motor, controller, display surface
Plate, speed adjusting lever, electric door lock, charger, light loudspeaker etc., existing circuit accumulator is directly to be connected with electrical appliance, one
Certain electrical appliance work of denier is abnormal, or connection line is short-circuited, and accumulator will export up to hundreds of amperes of high current,
It is possible to cause the security incidents such as spontaneous combustion, blast, to vehicle, surrounding or driver potential safety hazard is brought.To electric motor car
In battery charging process, if there is model mismatch or it is fully charged after can not normally stop charge etc. failure, also can draw
Send out accumulator and produce the security incidents such as overheated, blast.The source that facts have proved these dangerous accidents is exactly accumulator, because storing
The substantial amounts of energy of battery storage, such as abnormal release, will produce harm, the vehicle spontaneous combustion that occurs frequently in reality, quick-fried
Fry most reason here.If at the beginning of accident occurs, just can in time cut off storage battery power supply loop, so that it may avoid pernicious thing
Therefore expansion with along continuous.For above-mentioned drawback, the producer also having adds mechanical switch in accumulator output end, when the unexpected danger of generation
It is used for cutting off accumulator when dangerous, but this needs manual operation, is not that everybody Operation switch can cut in time during unexpected dangerous generation
Disconnected accumulator output loop.In addition, small power electric vehicle number is numerous, electric pressure is also from 24V to 72V or higher, accessory rule
Lattice are thousands of, and it is improper such as to match when accessory is changed in maintenance, also brings along potential safety hazard.Such as give 48V electric power storages with 60V chargers
Pond charge, so that it may cause accumulator, charger it is overheated, blast damage, powered to 36V motors with 48V accumulator for another example, also can make
Into accumulator, motor overheating, damage etc..
Utility model content
The utility model proposes a kind of small power electric motor-car comprehensive safety protection device, is mainly used in electric bicycle
Circuit, its purpose is intended to overcome the potential safety hazard of existing product, on the one hand can in time have found that it is likely that in use and can produce
The sign of potential safety hazard, automatically cuts off accumulator output loop immediately, on the other hand such as finds device when accessory is changed in maintenance
Matching is improper, also can terminate in time working on.
Technical solution of the present utility model：Small power electric motor-car comprehensive safety protection device, is characterized in that including out
Close 1, signal processor 2；Wherein, the signal input/output port of switch 1 is by bidirectional signal line 12 and signal processor 2
First signal output/input port correspondence connects;
Power input/the output port of switch 1 is connected by power line 7 with the power input/output port of accumulator 3,
The power input port of switch 1 is connected by power line 8 with the output port of power source of charger 4, switchs 1 the first power supply output
Port is connected by power line 9 with the power input port of controller 5；The output port of power source of accumulator 3 passes through power line 10
Connect with the power input port of signal processor 2, the signal output part of accumulator 3 is by unidirectional signal line 16 and signal processing
The signal input port of device 2 connects.
The secondary signal input/output end port of described signal processor 2 is by bidirectional signal line 13 and the letter of controller 5
Number input/output port correspondence connects.
Three signal inputs/the output port of described signal processor 2 is by bidirectional signal line 14 and the signal of charger 4
Input/output port correspondence connects.
The beneficial effects of the utility model are：
(1) sign that can produce potential safety hazard on the one hand can be in time had found that it is likely that, automatically cuts off accumulator output loop, be shut out
The generation of security incident absolutely；
(2) on the other hand when accessory is changed in maintenance can in time find that the matching of device is improper, terminate working in time,
Avoid the damage of parts and the potential safety hazard that may occur.
Description of the drawings
This utility model is further illustrated with reference to the accompanying drawings and examples.
Accompanying drawing 1 is small power electric motor-car comprehensive safety protection device and accumulator, charger, the connection signal of controller
Figure；
Accompanying drawing 2 is small power electric motor-car comprehensive safety protection device and accumulator, charger, controller and electrical appliance 6
Connection diagram.
1 is switch in figure, and 2 is signal processor, and 3 is accumulator, and 4 is charger, and 5 is controller, and 6 is electrical appliance, 7,
8th, 9,10,11 is power line, and 12,13,14,15 is bidirectional signal line, and 16 is unidirectional signal line.
Specific embodiment
Control accompanying drawing, small power electric motor-car comprehensive safety protection device, its structure includes switch 1, signal processor 2；Its
In, include on switch 1 signal input/output port, power input/output port, power input port, one
Individual output port of power source；Include three signal input/output ports, signal input port, an electricity on signal processor 2
Source input port；
Signal input/the output port of the switch 1 is defeated with the first signal of signal processor 2 by bidirectional signal line 12
Go out/input port correspondence connect；
Power input/the output port of switch 1 is connected by power line 7 with the power input/output port of accumulator 3,
The power input port of switch 1 is connected by power line 8 with the output port of power source of charger 4, switchs 1 the first power supply output
Port is connected by power line 9 with the power input port of controller 5；The output port of power source of accumulator 3 passes through power line 10
Connect with the power input port of signal processor 2, the signal output part of accumulator 3 is by unidirectional signal line 16 and signal processing
The signal input port of device 2 connects.
The secondary signal input/output end port of described signal processor 2 is by bidirectional signal line 13 and the letter of controller 5
Number input/output port correspondence connects.
Three signal inputs/the output port of described signal processor 2 is by bidirectional signal line 14 and the signal of charger 4
Input/output port correspondence connects.
The second source output port of described switch 1 passes through the power input port phase of power line 11 and electrical appliance 6
Connect；
Four signal inputs/the output port of described signal processor 2 is by bidirectional signal line 15 and the letter of electrical appliance 6
Number input/output port correspondence connects.
Signal processor 2 has two kinds of mode of operations of A, B：
A travel operation patterns：With car key enabling signal processor 2, it is allowed in traveling process operating mode, signal processing
Device 2 obtains power supply by power line from accumulator 3, and is turned on by bidirectional signal line trigger switch 1, and accumulator 3 passes through power supply
Line is powered to controller 5, is powered to motor etc. by controller 5 then；Simultaneously controller 5 passes through bidirectional signal line to signal
The operating mode of the transmission motor of processor 2 etc., compares with data are set in signal processor 2, and beyond limit value, signal processor 2 passes through
Bidirectional signal line sends semaphore request and changes operating mode to controller 5, and such as still without improvement, signal processor 2 will be by two-way signaling
Line trigger switch 1 disconnects；In addition, switch 1 is reached by the output electricity that bidirectional signal line transmits accumulator 3 to signal processor 2
Stream, beyond limit value, will be disconnected immediately by bidirectional signal line trigger switch 1；
B charge modes：Enabling signal processor 2, is allowed to, in charge mode, insert the plug of charger 4, leads to
Cross bidirectional signal line and transmit the information of charger 4 to signal processor 2, signal processor 2 compares the electricity of charging voltage and accumulator 3
Pressure, if it does, signal processor 2 is turned on by bidirectional signal line trigger switch 1, charger 4 is by power line to accumulator 3
Charge, synchronous signal processor 2 obtains the temperature of accumulator 3, information of voltage and is passed through two-way letter by unidirectional signal line
Number line passes to charger 4, makes charger 4 charge to accumulator 3 in a secured manner, if accumulator 3 in charging process
There is overcharge or overheated, signal processor 2 will be disconnected by bidirectional signal line trigger switch 1.
Controller (prior art) is the standard configuration of electric motor car, and model specification is more, and function is roughly the same.Accompanying drawing 2 is little work(
The connection diagram of rate electric motor car comprehensive safety protection device and accumulator, charger, controller and electrical appliance 6, it is existing electronic
The electricity consumption of car is obtained from controller 5, and the relevant information of each electrical appliance is obtained from controller 5, more complicated, because
This other electrical appliance 6 directly can be powered by power supply line 11 from switch 1, and by being passed by bidirectional signal line 15
Information is passed to signal processor 2, is compared with the interior data that set, once exceeding limit value, signal processor 2 to other electrical appliances 6 send
Semaphore request changes operating mode, and such as still without improvement, signal processor 2 will be disconnected by the trigger switch 1 of bidirectional signal line 12, so as to keep away
Exempt from the security incident that may occur.
The electric current exported during due to battery-operated is larger, switch 1 will bear larger dash current, and itself leads
Logical power attenuation can not be big, otherwise affects the efficiency of electric motor car, and it is than better suited to make switch 1 with high-power FET；
In addition relay also substantially meets above-mentioned requirements, it is also possible to as switch 1.
Claims (3)
1. small power electric motor-car comprehensive safety protection device, is characterized in that including switch, signal processor；Wherein, the letter of switch
Number input/output end port connects by the way that bidirectional signal line is corresponding with the first signal output of signal processor/input port;
Power input/the output port of switch is connected by power line with the power input/output port of accumulator, the electricity of switch
Source input port is connected by power line with the output port of power source of charger, and the first output port of power source of switch passes through power supply
Line connects with the power input port of controller；The output port of power source of accumulator is by power line and the power supply of signal processor
Input port connects, and the signal output part of accumulator is connected by unidirectional signal line with the signal input port of signal processor；
The secondary signal input/output end port of described signal processor by the signal output of bidirectional signal line and controller/
Input port correspondence connects；
Three signal inputs/the output port of described signal processor is by bidirectional signal line and charger signal output/defeated
Inbound port correspondence connects.
2. small power electric motor-car comprehensive safety protection device according to claim 1, is characterized in that the of described switch
Two output port of power source are connected by power line with the power input port of electrical appliance.
3. small power electric motor-car comprehensive safety protection device according to claim 1, is characterized in that described signal processing
Four signal inputs/the output port of device connects by the way that bidirectional signal line is corresponding with the signal output/input port of electrical appliance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621057455.8U CN206106963U (en) | 2016-09-18 | 2016-09-18 | Safety arrangement is synthesized in miniwatt electric motor car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621057455.8U CN206106963U (en) | 2016-09-18 | 2016-09-18 | Safety arrangement is synthesized in miniwatt electric motor car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206106963U true CN206106963U (en) | 2017-04-19 |
Family
ID=58519017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621057455.8U Withdrawn - After Issue CN206106963U (en) | 2016-09-18 | 2016-09-18 | Safety arrangement is synthesized in miniwatt electric motor car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206106963U (en) |
-
2016
- 2016-09-18 CN CN201621057455.8U patent/CN206106963U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170419 Effective date of abandoning: 20180608 |