CN208506526U - A kind of electric chassis vehicle control - Google Patents
A kind of electric chassis vehicle control Download PDFInfo
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- CN208506526U CN208506526U CN201821177830.1U CN201821177830U CN208506526U CN 208506526 U CN208506526 U CN 208506526U CN 201821177830 U CN201821177830 U CN 201821177830U CN 208506526 U CN208506526 U CN 208506526U
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- chassis vehicle
- control
- switch
- control device
- driving device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses a kind of electric chassis vehicle controls, control device is separately connected with chassis vehicle operating position switch, chassis vehicle testing position switch, breaker closing position switch, breaker open operation position switch, earthing switch closing position switch, grounding switch tripping position switch, can issue the signal that instruction control chassis vehicle executes corresponding actions to driving device according to the order of the instruction operation chassis vehicle issued；Driving device is arranged on chassis vehicle ontology and connect with the driving portion for driving chassis vehicle mobile, for the control driving portion movement when input indicates that control chassis vehicle executes the signal of corresponding actions or receives the signal of control device sending, corresponding actions are executed to control chassis vehicle.This electric chassis vehicle control, wherein control device and driving device separately design, and driving device control chassis vehicle can be used alone in Field Force, help to distinguish chassis vehicle ontology failure, control device and break down or the problem of operating condition.
Description
Technical field
The utility model relates to technical field of electric equipment, more particularly to a kind of electric chassis vehicle control.
Background technique
With the development of smart grid, it is more and more extensive that breaker electric chassis truck is applied to switchgear.Open circuit
Device electric chassis truck consists of two parts, and one is chassis vehicle ontology, mainly includes driving motor and associated actuator component, relies on
The rotating forward of motor inverts to operate the direction of motion of chassis vehicle；Second is that control section, realizes the positive and negative of motor by circuit connection
Turn control and related protection.
Currently, the control device of electric chassis truck in the market has the following problems in engineer application: control device
Maintenance is inconvenient, and when movement problem occurs in chassis vehicle, it is chassis vehicle ontological existence failure, control that Field Force, which cannot quickly distinguish,
The problem of device processed is faulty or operating condition.
Utility model content
In view of this, the present invention provides a kind of electric chassis vehicle control, wherein control device and driving device
Separately design, it is easy to maintain, and Field Force can control chassis vehicle separately through driving device, help to distinguish chassis vehicle
Ontology failure, control device break down or the problem of operating conditions.
To achieve the above object, the utility model provides a kind of electric chassis vehicle control, including control device and drive
Dynamic device；
The control device is switched with chassis vehicle operating position, chassis vehicle testing position switchs, breaker closing position is opened
Pass, breaker open operation position switch, earthing switch closing position switch, grounding switch tripping position switch are separately connected, and can be connect
Receive the signal that each position switch exports when being triggered, and for according to the order of the instruction operation chassis vehicle issued to driving device
Issue the signal that instruction control chassis vehicle executes corresponding actions；
The driving device is arranged on chassis vehicle ontology and connect with the driving portion for driving chassis vehicle mobile, is used for
The control when input indicates that control chassis vehicle executes the signal of corresponding actions or receives the signal of the control device sending
The driving portion movement executes corresponding actions to control the chassis vehicle.
Preferably, the control device also with closure when allow to the chassis vehicle carry out electric operating, disconnect when
Electrically operated electric/manual switch connection is not allowed to carry out the chassis vehicle.
Preferably, the control device is provided with when being closed and issues instruction operation chassis vehicle from examination to the control device
Test position be advanced to operating position order push-on switch and issue instruction operation bottom to the control device when being closed
Jiggering exits switch from the order that operating position is withdrawn into testing position；
Alternatively, the control device, which is provided with when being triggered, issues instruction operation chassis vehicle from test to the control device
Instruction operation chassis is issued to the control device when position is advanced to the propulsion button of the order of operating position and is triggered
Vehicle is withdrawn into the exit button of the order of testing position from operating position.
Preferably, the driving device is provided with when being closed and inputs instruction operation chassis vehicle from examination to the driving device
Test position be advanced to operating position signal push-on switch and input instruction operation bottom to the driving device when being closed
Jiggering exits switch from the signal that operating position is withdrawn into testing position；
Alternatively, the driving device, which is provided with when being triggered, inputs instruction operation chassis vehicle from test to the driving device
Instruction operation chassis is inputted to the driving device when position is advanced to the propulsion button of the signal of operating position and is triggered
Vehicle is withdrawn into the exit button of the signal of testing position from operating position.
Preferably, the driving device includes first group of contactor and second group of contactor, when first group of contactor
The driving portion rotates forward when with second group of contactor movement, is promoted with controlling the chassis vehicle；
The driving device further includes third group contactor and the 4th group of contactor, when the third group contactor and described
The driving portion reversion, is exited when the 4th group of contactor movement with controlling the chassis vehicle.
Preferably, the driving portion includes motor, and the motor is equipped with the running current for monitoring the motor
Current sensor.
Preferably, the control device include for calculate the chassis vehicle by testing position be advanced to operating position when
Between and the chassis vehicle be withdrawn by operating position testing position time timing device.
Preferably, the control device further includes for sending the display screen that display screen is shown for maloperation content.
As shown from the above technical solution, a kind of electric chassis vehicle control provided by the utility model, including control
Device and driving device, control device and chassis vehicle operating position switch, chassis vehicle testing position switch, breaker closing position
Switch, breaker open operation position switch, earthing switch closing position switch, grounding switch tripping position switch are separately connected, energy
Enough receive the signal that each position switch exports when being triggered, driving device be arranged on chassis vehicle ontology and with for driving chassis
The mobile driving portion connection of vehicle.Control device can refer to according to the order of the instruction operation chassis vehicle issued to driving device sending
Show that control chassis vehicle executes the signal of corresponding actions, driving device can be dynamic according to the signal control driving portion that control device issues
Make, so that controlling chassis vehicle executes corresponding actions.It is executed in addition, driving device can also control chassis vehicle according to the instruction of input
The signal control driving portion movement of corresponding actions, executes corresponding actions to control chassis vehicle.
Therefore, electric chassis vehicle control provided by the utility model, wherein control device and driving device are separately set
Meter, it is easy to maintain, and Field Force can control chassis vehicle separately through driving device, help to distinguish the event of chassis vehicle ontology
Barrier, control device break down or the problem of operating conditions.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of schematic diagram of electric chassis vehicle control provided by the embodiment of the utility model.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution in the utility model, below in conjunction with this reality
With the attached drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that
The described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on the utility model
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
The range of the utility model protection all should belong in example.
The utility model embodiment provides a kind of electric chassis vehicle control, including control device and driving device；
The control device is switched with chassis vehicle operating position, chassis vehicle testing position switchs, breaker closing position is opened
Pass, breaker open operation position switch, earthing switch closing position switch, grounding switch tripping position switch are separately connected, and can be connect
Receive the signal that each position switch exports when being triggered, and for according to the order of the instruction operation chassis vehicle issued to driving device
Issue the signal that instruction control chassis vehicle executes corresponding actions；
The driving device is arranged on chassis vehicle ontology and connect with the driving portion for driving chassis vehicle mobile, is used for
The control when input indicates that control chassis vehicle executes the signal of corresponding actions or receives the signal of the control device sending
The driving portion movement executes corresponding actions to control the chassis vehicle.
The present embodiment electric chassis vehicle control, control device can be according to the orders of the instruction operation chassis vehicle issued
The signal that instruction control chassis vehicle executes corresponding actions is issued to driving device, what driving device can be issued according to control device
Signal controls driving portion movement, so that controlling chassis vehicle executes corresponding actions.In addition, driving device can also be according to the finger of input
Show that control chassis vehicle executes the signal control driving portion movement of corresponding actions, executes corresponding actions to control chassis vehicle.
Therefore, electric chassis vehicle control provided in this embodiment, wherein control device and driving device separately design,
It is easy to maintain, and Field Force can separately through driving device control chassis vehicle, facilitate distinguish chassis vehicle ontology failure,
Control device breaks down or the problem of operating condition.
With reference to the accompanying drawing and the present embodiment electric chassis vehicle control is described in detail in specific embodiment.
Referring to FIG. 1, a kind of electric chassis vehicle control provided in this embodiment, including control device 10 and driving dress
Set 20.
Wherein, control device 10 and chassis vehicle operating position switch 30, chassis vehicle testing position switch 31, breaker closing
Position switch 32, breaker open operation position switch 33, earthing switch closing position switch 34 and grounding switch tripping position are opened
35 are closed to be separately connected.
When chassis vehicle is advanced to operating position, chassis vehicle operating position switch 30 is triggered and output signal.Work as chassis
When vehicle is withdrawn into testing position, chassis vehicle testing position switch 31 is triggered and corresponding output signal.Break when breaker closing
Road device closing position switch 32 is closed and output signal, when breaker open operation breaker open operation position switch 33 be closed and
Output signal.When earthing switch closes a floodgate, earthing switch closing position switch 34 is closed and output signal, when earthing switch point
Grounding switch tripping position switch 35 is closed and output signal when lock.Control device 10 can receive each position switch output
Signal.
It is further preferred that in this system, control device 10 also with allow to carry out the chassis vehicle in closure it is electronic
Operation does not allow to carry out electrically operated electric/manual switch 36 to the chassis vehicle when disconnecting to connect.If staff couple
Chassis vehicle carries out electric operating, then is closed electric/manual switch 36, and control device allows to chassis vehicle electric operating at this time,
If chassis vehicle will be manually operated in staff, electric/manual switch 36 is disconnected, does not allow to carry out electricity to chassis vehicle at this time
Dynamic operation.
Control device 10 is used to issue instruction control to driving device 20 according to the order of the instruction operation chassis vehicle issued
The signal of chassis vehicle execution corresponding actions.In the specific implementation, optionally, it please refers to shown in Fig. 1, can be set on control device 10
Set and promote button 37 and exit button 38, promote button 37 when being triggered to control device 10 issue instruction operation chassis vehicle from
Testing position is advanced to the order of operating position, issues instruction operation bottom to the control device 10 when exit button 38 is triggered
Jiggering is withdrawn into the order of testing position from operating position.Alternatively, push-on switch can be arranged on control device 10 or exit
Switch issues instruction operation chassis vehicle to the control device when push-on switch is closed and is advanced to operating position from testing position
Order, exit when switch is closed to the control device issue instruction operation chassis vehicle from operating position be withdrawn into test position
The order set.Staff can by action advances button, exit button or push-on switch, exit switch, to control device
10 issue the order that instruction operation chassis vehicle is promoted or exited.
When control device 10 receives the order of the instruction operation chassis vehicle issued, monitoring chassis vehicle operating position switch
30, chassis vehicle testing position switch 31, breaker closing position switch 32, breaker open operation position switch 33, earthing switch close
Whether the output signal of gate position switch 34 and 35 each position of grounding switch tripping position switch switch meets condition, that is, monitors
Whether the closure situation of each position switch meets condition, if meeting condition, issues instruction control chassis vehicle to driving device 20
Execute the signal of corresponding actions.
Driving device 20 is arranged on chassis vehicle ontology and connect with the driving portion 40 for driving chassis vehicle mobile, can
The driving portion 40 is controlled according to the signal that the control device 10 issues to act, it is corresponding dynamic to control the chassis vehicle execution
Make.
Specifically, the electrically operated working principle of the present embodiment electric chassis vehicle control progress is as follows.
The treatment process that control chassis vehicle is advanced to operating position by testing position is as follows:
The control device 10 is specifically used for from testing position being advanced to work receiving the instruction operation chassis vehicle issued
When making the order of position, if the breaker open operation position switch 33 closure, the grounding switch tripping position switch 35 closure
And the chassis vehicle testing position switch 31 is closed, then issues the letter that instruction operation chassis vehicle promotes to the driving device 20
Number.
The driving device 20 is specifically used for the signal control driving portion movement promoted according to the instruction operation chassis vehicle,
It is promoted with controlling the chassis vehicle.
The control device 10 is filled also particularly useful for when chassis vehicle operating position switch 30 is closed to the driving
The signal that 20 sendings instruction operation terminates is set, to control driving portion stopping movement.
In the specific implementation, optionally, driving device 20 includes first group of contactor 23 and second group of contactor 24, works as institute
The driving portion rotates forward when stating first group of contactor 23 and second group of contactor 24 movement, is pushed away with controlling the chassis vehicle
Into.Control device 10 issues the signal that instruction operation chassis vehicle promotes to driving device 20, and first group in driving device 20 connects
Tentaculum and second group of contactor movement, control driving portion rotate forward, and chassis vehicle is advanced to by driving portion lead agency from testing position
Operating position.When chassis vehicle reaches operating position, operating position is closed the switch, and control device 10 refers to the sending of driving device 20
Show the signal that operation terminates, first group of contactor and second group of contactor disconnect in driving device 20, driving portion stopping movement, bottom
Jiggering forward operation terminates.
The treatment process that control chassis vehicle is withdrawn into testing position by operating position is as follows:
The control device 10 is specifically used for from operating position being withdrawn into examination receiving the instruction operation chassis vehicle issued
When testing the order of position, if the breaker open operation position switch 33 closure, the grounding switch tripping position switch 35 closure
And chassis vehicle operating position switch 30 is closed, then issues the letter that instruction operation chassis vehicle exits to the driving device 20
Number.
The driving device 20 is specifically used for the signal control driving portion movement exited according to the instruction operation chassis vehicle,
It is exited with controlling the chassis vehicle.
The control device 10 is also used to when the chassis vehicle testing position switch 31 is closed, to the driving device 20
The signal that instruction operation terminates is issued, to control driving portion stopping movement.
In the specific implementation, optionally, driving device 20 includes third group contactor 25 and the 4th group of contactor 26, works as institute
Driving portion reversion when third group contactor 25 and the 4th group of contactor 26 movement is stated, is moved back with controlling the chassis vehicle
Out.Control device 10 issues the signal that instruction operation chassis vehicle exits to driving device 20, and the third group in driving device 20 connects
Chassis vehicle is withdrawn by tentaculum and the 4th group of contactor movement, control driving portion reversion, driving portion lead agency from operating position
Testing position.When chassis vehicle reaches testing position, testing position is closed the switch, and control device 10 refers to the sending of driving device 20
Show the signal that operation terminates, third group contactor and the 4th group of contactor disconnect in driving device 20, and driving portion stops operating, bottom
Jiggering, which exits operation, to be terminated.
In the specific implementation, driving portion can be motor.
In the present embodiment system, driving device 20 is also used to execute the signal of corresponding actions when input instruction control chassis vehicle
When control driving portion movement, execute corresponding actions to control the chassis vehicle.In the specific implementation, it can refer to shown in Fig. 1,
It can be arranged in driving device 20 and promote button 21 and exit button 22, promote button 21 when being triggered to the driving device
20 input instruction operation chassis vehicles are advanced to the signal of operating position from testing position, to the drive when exit button 22 is triggered
The dynamic input of device 20 instruction operation chassis vehicle is withdrawn into the signal of testing position from operating position.Alternatively, can be on the drive means
Setting push-on switch exits switch, inputs instruction operation chassis vehicle from examination to the driving device when push-on switch is closed
Test the signal that position is advanced to operating position, exit when switch is closed to the driving device input instruction operation chassis vehicle from
Operating position is withdrawn into the signal of testing position.Staff can be opened by action advances button, exit button or propulsion
It closes, exit switch, the signal that instruction control chassis vehicle executes corresponding actions is directly inputted to driving device 20, to not pass through control
Driving device can be used alone to control chassis vehicle in device processed.
It is further preferred that the driving portion includes motor, the motor is equipped with the operation for monitoring the motor
The current sensor 39 of electric current；The control device 10 is connected with the current sensor 39, is also used to monitor motor
Instruction is issued to the driving device 20 when running current exceeds preset range and stops the signal that motor rotates, and is stopped with controlling motor
Rotation stop is dynamic.
This electric chassis vehicle control has overcurrent protection function, during chassis vehicle is promoted or exited, in real time
Monitor the running current of motor, such as because caused by electrical fault or mechanical breakdown current of electric it is excessive, control motor stopping in time
Operation, in order to avoid component damage.
It is further preferred that the control device 10 further includes calculating the chassis vehicle to be advanced to working position by testing position
The time and the chassis vehicle set are withdrawn into the timing device of the time of testing position, the control device 10 by operating position
It is also used to be advanced to the time of operating position by testing position when the chassis vehicle and the chassis vehicle is exited by operating position
When exceeding preset value to the time used in any one process in the time of testing position, issues and indicate to the driving device 20
Stop the signal of driving portion movement, to control driving portion stopping movement.
This electric chassis vehicle control realizes operation overtime defencive function, promotes or exit process in chassis vehicle
In, the operating time of chassis vehicle can be monitored, such as because caused by electrical fault or mechanical breakdown chassis vehicle for a long time not in place, in time
Motor stopping movement being controlled, in order to avoid component damage.
Further, the control device 10 includes display screen 11, and the control device 10 is also used to maloperation content
It is sent to the display of display screen 11.Display screen 11 can be with real-time display working condition during the work time；For ungratified operation
When condition carries out maloperation, prompt will do it, as in closing position, chassis vehicle issues chassis at operating position to breaker simultaneously
Vehicle exits command, and control device can issue the display content of " breaker does not allow to carry out to exit operation currently in closing position ".
Further, the control device 10 is also used to when chassis vehicle breaks down in operation, by failure feelings
Condition is compared with built-in fault model, and the trouble location and maintenance scheme that will conclude that are sent to display screen and show.
When chassis vehicle breaks down in operation, control device can carry out pair according to factory build fault model
Than, it would be possible to the trouble location and maintenance scheme of generation are shown in display screen.Operation and Maintenance built in the truck control device of chassis
Regulation, operator can be watched by display screen, and can issue maintenance prompting message.
Further, this electric chassis vehicle control has back-up operation, when control device breaks down, Ke Yidan
Solely go out button control contactor group into, chassis vehicle using the chassis vehicle in driving device, completes electric operating.
Electric chassis vehicle control provided in this embodiment has the advantage that
(1) driving device and control device separately design, and control is easy to maintain, when movement problem occurs in electric chassis truck
When, field personnel can be by being used alone driving device operation, and quickly differentiation is the failure of chassis vehicle ontology, control dress
The problem of setting failure or operating condition.
(2) the motor main circuit on-off of control device is realized by contactor group in driving device, contact control capability
Increase, improves reliability.(3) fault model built in control device and Operation and Maintenance regulation, make the Operation and Maintenance of control device
It is more intuitive.
A kind of electric chassis vehicle control provided by the utility model is described in detail above.It answers herein
The principles of the present invention and embodiment are expounded with specific case, the explanation of above example is only intended to sides
Assistant solves the method and its core concept of the utility model.It should be pointed out that for those skilled in the art,
Without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, these improvement
It is also fallen into the protection scope of the utility model claims with modification.
Claims (8)
1. a kind of electric chassis vehicle control, which is characterized in that including control device and driving device；
The control device and chassis vehicle operating position switch, break at chassis vehicle testing position switch, breaker closing position switch
Road device open position switch, earthing switch closing position switch, grounding switch tripping position switch are separately connected, and can receive everybody
The signal exported when switch is triggered is set, and for referring to according to the order of the instruction operation chassis vehicle issued to driving device sending
Show that control chassis vehicle executes the signal of corresponding actions；
The driving device is arranged on chassis vehicle ontology and connect with the driving portion for driving chassis vehicle mobile, for when defeated
Enter when instruction control chassis vehicle executes the signal of corresponding actions or receives the signal that the control device issues described in control
Driving portion movement executes corresponding actions to control the chassis vehicle.
2. electric chassis vehicle control according to claim 1, which is characterized in that the control device also be closed
When allow to the chassis vehicle carry out electric operating, disconnect when do not allow to the chassis vehicle carry out it is electrically operated it is electronic/
Manual switch connection.
3. electric chassis vehicle control according to claim 1, which is characterized in that the control device is provided with and is closed
The push-on switch for the order for indicating that operation chassis vehicle is advanced to operating position from testing position is issued when conjunction to the control device
And the order that instruction operation chassis vehicle is withdrawn into from operating position testing position is issued to the control device when being closed
Exit switch；
Alternatively, the control device, which is provided with when being triggered, issues instruction operation chassis vehicle from testing position to the control device
When being advanced to the propulsion button of the order of operating position and being triggered to the control device issue instruction operation chassis vehicle from
Operating position is withdrawn into the exit button of the order of testing position.
4. electric chassis vehicle control according to claim 1, which is characterized in that the driving device is provided with and is closed
The push-on switch for the signal for indicating that operation chassis vehicle is advanced to operating position from testing position is inputted when conjunction to the driving device
And the signal that instruction operation chassis vehicle is withdrawn into from operating position testing position is inputted to the driving device when being closed
Exit switch；
Alternatively, the driving device, which is provided with when being triggered, inputs instruction operation chassis vehicle from testing position to the driving device
When being advanced to the propulsion button of the signal of operating position and being triggered to the driving device input instruction operation chassis vehicle from
Operating position is withdrawn into the exit button of the signal of testing position.
5. electric chassis vehicle control according to claim 1-4, which is characterized in that the driving device packet
First group of contactor and second group of contactor are included, the drive when first group of contactor and second group of contactor movement
Dynamic portion rotates forward, and is promoted with controlling the chassis vehicle；
The driving device further includes third group contactor and the 4th group of contactor, when the third group contactor and the described 4th
The driving portion reversion, is exited when group contactor movement with controlling the chassis vehicle.
6. electric chassis vehicle control according to claim 1, which is characterized in that the driving portion includes motor, institute
State the current sensor for the running current that motor is equipped with for monitoring the motor.
7. electric chassis vehicle control according to claim 1, which is characterized in that the control device includes based on
Calculate that the chassis vehicle is advanced to the time of operating position by testing position and the chassis vehicle by operating position is withdrawn into test
The timing device of the time of position.
8. electric chassis vehicle control according to claim 1, which is characterized in that the control device further includes being used for
The display screen that display screen is shown is sent by maloperation content.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821177830.1U CN208506526U (en) | 2018-07-24 | 2018-07-24 | A kind of electric chassis vehicle control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821177830.1U CN208506526U (en) | 2018-07-24 | 2018-07-24 | A kind of electric chassis vehicle control |
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| Publication Number | Publication Date |
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| CN208506526U true CN208506526U (en) | 2019-02-15 |
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| CN201821177830.1U Active CN208506526U (en) | 2018-07-24 | 2018-07-24 | A kind of electric chassis vehicle control |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110806516A (en) * | 2019-10-15 | 2020-02-18 | 西门子电力自动化有限公司 | Method and device for detecting running state of switch cabinet chassis truck and computer readable medium |
-
2018
- 2018-07-24 CN CN201821177830.1U patent/CN208506526U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110806516A (en) * | 2019-10-15 | 2020-02-18 | 西门子电力自动化有限公司 | Method and device for detecting running state of switch cabinet chassis truck and computer readable medium |
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