CN209225091U - A kind of electric motor coach bears the control system of mechanical total power switch failure with prevention and control - Google Patents
A kind of electric motor coach bears the control system of mechanical total power switch failure with prevention and control Download PDFInfo
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- CN209225091U CN209225091U CN201822117251.4U CN201822117251U CN209225091U CN 209225091 U CN209225091 U CN 209225091U CN 201822117251 U CN201822117251 U CN 201822117251U CN 209225091 U CN209225091 U CN 209225091U
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- power switch
- total power
- control
- small charger
- mechanical total
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Abstract
The utility model discloses a kind of electric motor coaches to bear the control system that mechanical total power switch fails with prevention and control, including low tension battery, low tension battery anode, low tension battery cathode, insurance, small charger, the output of small charger anode, small charger cathode output, entire car controller, mechanical total power switch and body frame, the small charger anode output is connect by insurance with low tension battery anode.The beneficial effects of the utility model are: the utility model by the way that position sensor is arranged on mechanical total power switch, carrys out feedback signal that acquisition position sensor is exported according to the change in location of mechanical total power switch on-off to entire car controller.Entire car controller is by increasing signal acquisition port, to handle the feedback signal to come the start and stop that control small charger.It fundamentally solves the problems, such as the negative total power switch failure of control, improves vehicle security and reliability.The utility model has good social benefit, is suitble to promote the use of.
Description
Technical field
The utility model relates to a kind of control system, specially a kind of electric motor coach bears mechanical total power switch with prevention and control
The control system of failure belongs to the control system technical field that mechanical total power switch failure is born in prevention and control.
Background technique
Currently, the mechanical total power switch control of electric motor coach is broadly divided into two classes, one of which is exactly using control
The on-off of low tension battery cathode and body frame is negative to control vehicle power supply i.e. so-called control.With the hair of electric motor coach
Exhibition, it is also higher and higher to the EMC class requirement of vehicle and components.
Small charger producer currently on the market is essentially all to promote itself by the way that output negative pole is connected with body
EMC grade, in terms of vehicle on it is also most of be also by promoting vehicle EMC etc. for new energy components and body frame are direct-connected
Grade.That is for small charger after entrucking, its output negative pole can be by communicating, to be connected to vehicle skeleton with body
Together.The cathode of small charger is caused to export uncontrolled negative mechanical total power switch control in this way, it is mechanical total closing
Although the connection of low tension battery Yu vehicle electrical equipment is disconnected when power switch, but at this time also in the small charger meeting of work
The role for playing the part of low tension battery continues to power to vehicle electrical equipment, and vehicle can not descend electricity, controls negative mechanical general supply and opens
Failure is closed, vehicle safety is influenced.
Utility model content
The purpose of this utility model is that in order to which the small charger producer for solving currently on the market is essentially all to pass through
Output negative pole is connected with body to promote itself EMC grade, in terms of vehicle on it is also most of be also by by new energy zero
Part and body frame is direct-connected promotes vehicle EMC grade, causes the cathode of small charger to export uncontrolled negative mechanical total electricity
Although source switch control, the connection of low tension battery Yu vehicle electrical equipment is disconnected when closing mechanical total power switch,
But also continue to power to vehicle electrical equipment in the role that the small charger of work can play the part of low tension battery at this time, vehicle can not
Lower electricity controls negative mechanical total power switch failure, influences the problem of vehicle safety, and proposes that a kind of electric motor coach prevention and control are negative
The control system of mechanical total power switch failure.
The purpose of this utility model can be achieved through the following technical solutions: a kind of electric motor coach prevention and control are negative mechanical total
The control system of power switch failure, including low tension battery, low tension battery anode, low tension battery cathode, insurance, small fill
Motor, the output of small charger anode, small charger cathode output, entire car controller, mechanical total power switch and body frame,
The small charger anode output is connect by insurance with low tension battery anode, and the low tension battery cathode passes through mechanical
Total power switch is connected with body frame, and the small charger cathode output is connected with body frame, the entire car controller and
Small charger communication connection.
The further Technological improvement plan of the utility model is: position sensing is arranged on the mechanical total power switch
Device, and position sensor and entire car controller communicate to connect.
The further Technological improvement plan of the utility model is: the entire car controller and small charger pass through outside
CAN connection.
The control method of the system specifically includes the following steps:
Step 1: mechanical total power switch is controlled by the on-off of control low tension battery cathode and body frame
Vehicle power supply carrys out acquisition position sensor according to mechanical total by the way that position sensor is arranged on mechanical total power switch
The feedback signal that the change in location of power switch on-off exports is judged to entire car controller, entire car controller by the feedback signal
Whether mechanical total power switch is in closed state；
Step 2: if entire car controller judges that mechanical total power switch is in closed state, exporting small charger makes
Energy signal, small charger work, if entire car controller judges that mechanical total power switch is in an off state, stops exporting small
Charger enable signal, small charger terminate work, the start and stop of small charger are controlled by the above method, avoid closing machinery
When formula total power switch, small charger also causes vehicle to be unable to complete lower electricity, mechanical total power switch failure in work.
Compared with prior art, the utility model has the beneficial effects that the utility model in mechanical general supply by opening
Shut setting position sensor, come acquisition position sensor exported according to the change in location of mechanical total power switch on-off it is anti-
Feedback signal is to entire car controller.Entire car controller is by increasing signal acquisition port and control logic, to handle the feedback letter
Number to come the start and stop that control small charger.It fundamentally solves the problems, such as the negative total power switch failure of control, improves vehicle safety
Property and reliability.The utility model has good social benefit, is suitble to promote the use of.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the utility model will be further described below with reference to the accompanying drawings.
Fig. 1 is the utility model overall structure connection schematic diagram.
In figure: 1, low tension battery；2, low tension battery anode；3, insure；4, small charger anode output；5, small charging
Machine；6, small charger cathode output；51, body frame；7, entire car controller；8, mechanical total power switch；9, position sensing
Device；10, low tension battery cathode.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with embodiment, it is clear that described
Embodiment be only the utility model a part of the embodiment, instead of all the embodiments.Based on the reality in the utility model
Example is applied, all other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the range of the utility model protection.
Refering to Figure 1, a kind of electric motor coach bears the control system that mechanical total power switch fails with prevention and control, including
Low tension battery 1, low tension battery anode 2, low tension battery cathode 10, insurance 3, small charger 5, the output of small charger anode
4, small charger cathode output 6, entire car controller 7, mechanical total power switch 8 and body frame 51, small charger anode are defeated
It 4 is connect out by insurance 3 with low tension battery anode 2, low tension battery cathode 10 passes through mechanical total power switch 8 and vehicle body
Skeleton 51 is connected, and small 5 cathode of charger output 6 is connected with body frame 51, and entire car controller 7 and small charger 5 communicate to connect.
As a kind of technical optimization scheme of the utility model, position sensor 9 is set on mechanical total power switch 8,
And position sensor 9 and entire car controller 7 communicate to connect, by the way that position sensor 9 is arranged on mechanical total power switch 8,
Carry out feedback signal that acquisition position sensor 9 is exported according to the change in location of mechanical 8 on-off of total power switch to full-vehicle control
Device 7.Entire car controller 7 is by increasing signal acquisition port and control logic, to handle the feedback signal to small to control
The start and stop of charger 5.It fundamentally solves the problems, such as the negative total power switch failure of control, improves vehicle security and reliability.
As a kind of technical optimization scheme of the utility model, entire car controller 7 and small charger 5 pass through external CAN line
Road connection guarantees that long-range monitoring can acquire the working condition of small charger, can be supervised in real time by CAN connection entire car controller
Small charger working condition is controlled, if the failure of small charger can send fault code to entire car controller, entire car controller turns
To instrument, instrument alarm can prevent small charger failure from leading to accumulator feeding.
The control method of the system specifically includes the following steps:
Step 1: mechanical total power switch 8, by the on-off of control low tension battery cathode 10 and body frame 51 come
Vehicle power supply is controlled, by the way that position sensor 9 is arranged on mechanical total power switch 8, carrys out acquisition position sensor 9 according to machine
For the feedback signal that the change in location of 8 on-off of tool formula total power switch exports to entire car controller 7, entire car controller 7 is anti-by this
Feedback signal judges whether mechanical total power switch 8 is in closed state；
Step 2: if entire car controller 7 judges that mechanical total power switch 8 is in closed state, small charger 5 is exported
Enable signal, small charger 5 work, if entire car controller 7 judges that mechanical total power switch 8 is in an off state, stop
Small 5 enable signal of charger is exported, small charger 5 terminates work, the start and stop of small charger 5 are controlled by the above method, are avoided
When closing mechanical total power switch 8, small charger 5 also causes vehicle to be unable to complete lower electricity, mechanical general supply in work
Switch 8 fails.
The beneficial effects of the utility model are: the utility model is passed by the way that position is arranged on mechanical total power switch 8
Sensor 9 carrys out feedback signal that acquisition position sensor 9 is exported according to the change in location of mechanical 8 on-off of total power switch to whole
Vehicle controller 7.Entire car controller 7 is by increasing signal acquisition port and control logic, to handle the feedback signal to come
Control the start and stop of small charger 5.It fundamentally solves the problems, such as control negative total power switch failure, improves vehicle security and reliable
Property.The utility model has good social benefit, is suitble to promote the use of.
Working principle: when the utility model is used, firstly, checking the safety of the utility model, then, mechanically always
Power switch 8 controls vehicle power supply by the on-off of control low tension battery cathode 10 and body frame 51, by machinery
((position sensor is not limited to this type to the position sensor 9 for the model D2HW-C222M being arranged on formula total power switch 8
Number, according to mode difference is installed and used, model and triggering mode can be changed), carry out 9 basis of acquisition position sensor
The feedback signal that the change in location of mechanical 8 on-off of total power switch exports to model AKECU-1 entire car controller 7, it is whole
Vehicle controller 7 judges whether mechanical total power switch 8 is in closed state by the feedback signal, if entire car controller 7 is sentenced
The mechanical total power switch 8 that breaks is in closed state, then exports small 5 enable signal of charger, small charger 5 works, if vehicle
Controller 7 judges that mechanical total power switch 8 is in an off state, then stops exporting small 5 enable signal of charger, small charger
5 terminate work, and the start and stop of small charger 5 are controlled by above method, are avoided when closing mechanical total power switch 8, small to fill
Motor 5 also causes vehicle to be unable to complete lower electricity in work, and mechanical total power switch 8 fails.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, does not limit the specific embodiment that the utility model is only yet.Obviously, according to this specification
Content, can make many modifications and variations.These embodiments are chosen and specifically described to this specification, be in order to preferably explain
The principles of the present invention and practical application, so that skilled artisan be enable to better understand and utilize this practical
It is novel.The utility model is limited only by the claims and their full scope and equivalents.
Claims (3)
1. a kind of electric motor coach bears the control system that mechanical total power switch fails with prevention and control, it is characterised in that: including low pressure
Battery (1), low tension battery positive (2), low tension battery cathode (10), insurance (3), small charger (5), small charger are just
Pole exports (4), small charger cathode output (6), entire car controller (7), mechanical total power switch (8) and body frame
(51), the small charger anode output (4) is connect by insurance (3) with low tension battery positive (2), the low tension battery
Cathode (10) is connected by mechanical total power switch (8) with body frame (51), small charger (5) the cathode output (6)
It is connected with body frame (51), the entire car controller (7) and small charger (5) communicate to connect.
2. a kind of electric motor coach according to claim 1 bears the control system that mechanical total power switch fails with prevention and control,
It is characterized in that, position sensor (9) are arranged on the mechanical total power switch (8), and position sensor (9) and vehicle control
Device (7) communication connection processed.
3. a kind of electric motor coach according to claim 1 bears the control system that mechanical total power switch fails with prevention and control,
It is characterized in that, the entire car controller (7) and small charger (5) pass through external CAN connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822117251.4U CN209225091U (en) | 2018-12-17 | 2018-12-17 | A kind of electric motor coach bears the control system of mechanical total power switch failure with prevention and control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822117251.4U CN209225091U (en) | 2018-12-17 | 2018-12-17 | A kind of electric motor coach bears the control system of mechanical total power switch failure with prevention and control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209225091U true CN209225091U (en) | 2019-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822117251.4U Active CN209225091U (en) | 2018-12-17 | 2018-12-17 | A kind of electric motor coach bears the control system of mechanical total power switch failure with prevention and control |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435877A (en) * | 2018-12-17 | 2019-03-08 | 安徽安凯汽车股份有限公司 | A kind of electric motor coach bears the control system of mechanical total power switch failure with prevention and control |
-
2018
- 2018-12-17 CN CN201822117251.4U patent/CN209225091U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435877A (en) * | 2018-12-17 | 2019-03-08 | 安徽安凯汽车股份有限公司 | A kind of electric motor coach bears the control system of mechanical total power switch failure with prevention and control |
| CN109435877B (en) * | 2018-12-17 | 2023-12-15 | 安徽安凯汽车股份有限公司 | Control system for preventing and controlling failure of negative mechanical type main power switch for electric passenger car |
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