CN106094604A - A kind of control system of explosion-proof industrial vehicle - Google Patents
A kind of control system of explosion-proof industrial vehicle Download PDFInfo
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- CN106094604A CN106094604A CN201610741835.1A CN201610741835A CN106094604A CN 106094604 A CN106094604 A CN 106094604A CN 201610741835 A CN201610741835 A CN 201610741835A CN 106094604 A CN106094604 A CN 106094604A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- Automation & Control Theory (AREA)
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Abstract
This application discloses the control system of a kind of explosion-proof industrial vehicle, including multi-path signal acquisition process module and multi-path fuction output module, it is provided with photoelectric isolation module between described multi-path signal acquisition process module and multi-path fuction output module, for by completely isolated to described multi-path signal acquisition process module and multi-path fuction output module, and the first switching value of described multi-path signal acquisition process module is converted to the second switch amount of described multi-path fuction output module, utilize described second switch amount, the input controlling vehicle control device drives described explosion-proof industrial vehicle to complete deliberate action.The control system of the above-mentioned explosion-proof industrial vehicle that the application provides, it is possible to being effectively isolated multi-path digital signal, volume is little, does not affect industrial vehicle integral layout, searches intuitive and convenient.
Description
Technical field
The invention belongs to explosion-proof industrial vehicle technical field, particularly relate to the control system of a kind of explosion-proof industrial vehicle.
Background technology
Explosion-proof industrial vehicle is mainly used in the dangerous place with a potential explosion such as oil, chemical industry, military project, and the carrying carrying out material is made
Industry.These industrial vehicles, as general industry vehicle, have forward-backward direction switch, left and right turn switch, brake and open
The various functional switches such as pass, light switch, horn button, these switches can produce spark in normal make and break process, and may
Ignite dangerous materials.
In prior art, use isolating safety grid that switch is carried out " isolation ", but, a guard grating can only be to 2 tunnels
On-off model is isolated respectively, and controlling multiple electric component then needs to connect many guard gratings, these guard grating wiring quantity
Many, the faults such as loose contact easily occur, investigation is also inconvenient；And guard grating output electric current little, it is impossible to directly control light fixture,
Loudspeaker, electromagnetic valve, power contact, restraining coil big electric current constant power components and parts, meanwhile, these guard gratings are bulky, account for
Excessive with the volume of explosion-proof control box, affect the integral layout of industrial vehicle.And guard grating cost is high.
Summary of the invention
For solving the problems referred to above, the invention provides the control system of a kind of explosion-proof industrial vehicle, it is possible to multi-path digital
Signal is effectively isolated, and volume is little, does not affect industrial vehicle integral layout, searches intuitive and convenient.
The control system of a kind of explosion-proof industrial vehicle that the present invention provides, including multi-path signal acquisition process module with many
Access function output module, is provided with photoelectricity between described multi-path signal acquisition process module and multi-path fuction output module
Isolation module, is used for completely isolated to described multi-path signal acquisition process module and multi-path fuction output module, and by institute
The first switching value stating multi-path signal acquisition process module is converted to the second switch amount of described multi-path fuction output module,
Utilizing described second switch amount, the input controlling vehicle control device drives described explosion-proof industrial vehicle to complete deliberate action.
Preferably, in the control system of above-mentioned explosion-proof industrial vehicle, described multi-path signal acquisition process module is wrapped
Including the first switch, described photoelectric isolation module includes the first optocoupler, the first light emitting diode, the first current-limiting resistance and relay
Device, described multi-path fuction output module includes that first terminal device, the first end of described first switch connect 5V intrinsic safety electric source
Negative input, described first switch second end connect described optocoupler the first end, the second end of described first optocoupler depends on
The positive pole that secondary described first light emitting diode by connection and described first current-limiting resistance are connected to described 5V intrinsic safety electric source is defeated
Entering end, the 3rd end of described first optocoupler is connected to described first terminal device by described relay, when described first switchs
Described in during Guan Bi, the first optocoupler conducting, makes described relay coil turn on and make described relay adhesive, controls described first eventually
End-apparatus part responds.
Preferably, in the control system of above-mentioned explosion-proof industrial vehicle, described first switch is horn button and described
First terminal device is loudspeaker, or, described first switch is headlight for Der StandlichtScheinwerfer und Parkleuchtenschalter and described first terminal device, or
Person, described first switch is left steering lamp for left steering lamp switch and described first terminal device, or, described first switch
It is right turn lamp for right turn lamp switch and described first terminal device, or, described first switch forms switch for service brake
And described first terminal device is service brake relay coil.
Preferably, in the control system of above-mentioned explosion-proof industrial vehicle, described multi-path signal acquisition process module is wrapped
Including second switch, described photoelectric isolation module includes the second optocoupler, the second light emitting diode and the second current-limiting resistance, described many
Access function output module includes switching input control end, and the first end of described second switch connects the negative pole of 5V intrinsic safety electric source
Input, the second end of described second switch connects the first end of described second optocoupler, and the second end of described second optocoupler is successively
The positive pole being connected to described 5V intrinsic safety electric source by described second light emitting diode connected and described second current-limiting resistance is inputted
End, the three-terminal link of described second optocoupler is to described switch input control end, described in when described second switch closes the
Two optocoupler conductings, control described switch input control end and respond.
Preferably, in the control system of above-mentioned explosion-proof industrial vehicle, described second switch switchs and described for advancing
Switch input control end be controller advance On-off signal end, or, described second switch for retreat switch and described in open
Closing input control end is that controller retreats On-off signal end, or, described second switch is point driving switch and described switch
Input control end is controller point driving switch amount input, or, described second switch be parking brake travel switch and described in open
Closing input control end is controller parking brake travel switch amount input, or, described second switch is that accelerator enables switch
And described switch input control end is that controller accelerator enables On-off signal end.
Preferably, in the control system of above-mentioned explosion-proof industrial vehicle, described first current-limiting resistance is the current limliting of 330 ohm
Resistance.
Preferably, in the control system of above-mentioned explosion-proof industrial vehicle, described second current-limiting resistance is the current limliting of 330 ohm
Resistance.
Preferably, in the control system of above-mentioned explosion-proof industrial vehicle, also include circuit board, be used for described multi-path is installed
Signal acquisition process module, described multi-path fuction output module and described photoelectric isolation module.
Preferably, in the control system of above-mentioned explosion-proof industrial vehicle, described circuit board is Phototube Coupling pcb board.
Preferably, in the control system of above-mentioned explosion-proof industrial vehicle, also include explosion-proof tank, be used for holding described circuit
Plate.
By foregoing description, the control system of the above-mentioned explosion-proof industrial vehicle that the present invention provides, owing to including manifold
Road signal acquisition process module and multi-path fuction output module, described multi-path signal acquisition process module and multi-path function
Photoelectric isolation module it is provided with, for by described multi-path signal acquisition process module and multi-path function number between output module
Go out module completely isolated, and the first switching value of described multi-path signal acquisition process module is converted to described multi-path function
The second switch amount of output module, utilizes described second switch amount, and the input controlling vehicle control device drives described explosion-proof work
Industry vehicle completes deliberate action, therefore, it is possible to be effectively isolated multi-path digital signal, volume is little, does not affect industrial vehicle whole
Body layout, searches intuitive and convenient.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
The accompanying drawing provided obtains other accompanying drawing.
The schematic diagram of the control system of the first explosion-proof industrial vehicle that Fig. 1 provides for the embodiment of the present application；
The electrical schematic diagram of the control system of the explosion-proof industrial vehicle of the second that Fig. 2 provides for the embodiment of the present application.
Detailed description of the invention
The core concept of the present invention is to provide the control system of a kind of explosion-proof industrial vehicle, it is possible to multi-path digital signal
Being effectively isolated, volume is little, does not affect industrial vehicle integral layout, searches intuitive and convenient.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
The control system of the first explosion-proof industrial vehicle that the embodiment of the present application provides is as it is shown in figure 1, Fig. 1 is the application reality
Execute the schematic diagram of the control system of the first explosion-proof industrial vehicle that example provides.This system includes multi-path signal acquisition process mould
Block 1 and multi-path fuction output module 2, between described multi-path signal acquisition process module 1 and multi-path fuction output module 2
It is provided with photoelectric isolation module 3, for by complete to described multi-path signal acquisition process module 1 and multi-path fuction output module 2
Full isolation, and the first switching value of described multi-path signal acquisition process module 1 is converted to described multi-path function number depanning
The second switch amount of block 2, utilizes described second switch amount, and the input controlling vehicle control device drives described explosion-proof industrial vehicle
Complete deliberate action.
By photoelectric isolation module, one side switching value is converted to another side switching value, completely isolated between them, mutually
Independent, the requirement of GB 3836 explosion-proof criteria can be met, passed through national inspection center certification of explosion protection.Multi-path fuction output
Module can on-demand outfit metal-oxide-semiconductor, audion or relay, to meet the needs of High-current output.
By foregoing description, the control system of the first explosion-proof industrial vehicle above-mentioned that the embodiment of the present application provides,
Owing to including multi-path signal acquisition process module and multi-path fuction output module, described multi-path signal acquisition process module
And be provided with photoelectric isolation module between multi-path fuction output module, for by described multi-path signal acquisition process module and
Multi-path fuction output module is completely isolated, and the first switching value of described multi-path signal acquisition process module is converted to institute
Stating the second switch amount of multi-path fuction output module, utilize described second switch amount, the input controlling vehicle control device drives
Dynamic described explosion-proof industrial vehicle completes deliberate action, therefore, it is possible to be effectively isolated multi-path digital signal, volume is little, not shadow
Ring industrial vehicle integral layout, search intuitive and convenient.
The control system of the explosion-proof industrial vehicle of the second that the embodiment of the present application provides, is in the first explosion-proof industry above-mentioned
On the basis of the control system of vehicle, also include following technical characteristic:
The electrical principle of the control system of the explosion-proof industrial vehicle of the second that reference Fig. 2, Fig. 2 provide for the embodiment of the present application
Figure, described multi-path signal acquisition process module include the first switch, described photoelectric isolation module include the first optocoupler, the
One light emitting diode, the first current-limiting resistance and relay, described multi-path fuction output module includes first terminal device, described
First end of the first switch connects the negative input of 5V intrinsic safety electric source, and the second end of described first switch connects described optocoupler
First end, the second end of described first optocoupler passes sequentially through described first light emitting diode of connection and described first current-limiting resistance
Being connected to the electrode input end of described 5V intrinsic safety electric source, the 3rd end of described first optocoupler is connected to described by described relay
First terminal device, described in when described first switch Guan Bi, the first optocoupler conducting, makes described relay coil turn on and make institute
State relay adhesive, control described first terminal device and respond.
The control system of the third explosion-proof industrial vehicle that the embodiment of the present application provides, is in the explosion-proof industry of above-mentioned the second
On the basis of the control system of vehicle, also include following technical characteristic:
Described first switch is loudspeaker for horn button and described first terminal device, or, described first switch is
Der StandlichtScheinwerfer und Parkleuchtenschalter and described first terminal device are headlight, or, described first switch is left steering lamp switch and described the
One terminal part is left steering lamp, or, described first switch is right for right turn lamp switch and described first terminal device
Steering indicating light, or, described first switch forms switch for service brake and described first terminal device is service brake relay coil.
The control system of the 4th kind of explosion-proof industrial vehicle that the embodiment of the present application provides, is in the first explosion-proof industry above-mentioned
On the basis of the control system of vehicle, also include following technical characteristic:
Described multi-path signal acquisition process module includes that second switch, described photoelectric isolation module include the second light
Coupling, the second light emitting diode and the second current-limiting resistance, described multi-path fuction output module includes switching input control end, institute
The first end stating second switch connects the negative input of 5V intrinsic safety electric source, and the second end of described second switch connects described second
First end of optocoupler, the second end of described second optocoupler passes sequentially through described second light emitting diode of connection and described second limit
Leakage resistance is connected to the electrode input end of described 5V intrinsic safety electric source, and the three-terminal link of described second optocoupler is to described switch input
Amount controls end, and described in when described second switch closes, the second optocoupler conducting, controls described switch input control end and ring
Should.
The control system of the 5th kind of explosion-proof industrial vehicle that the embodiment of the present application provides, is in above-mentioned 4th kind of explosion-proof industry
On the basis of the control system of vehicle, also include following technical characteristic:
Described second switch switchs for advancing and described switch input control end is controller advance On-off signal
End, or, described second switch is that controller retreats On-off signal end for retreating switch and described switch input control end,
Or, described second switch is point driving switch and described switch input control end is controller point driving switch amount input, or
Person, described second switch is parking brake travel switch and described switch input control end is the input of controller parking brake travel switch amount
End, or, described second switch is that accelerator enables switch and described switch input control end is that controller accelerator enables
On-off signal end.
Concrete, control system multi-path signals collecting and processing module by J1-J5 and D1-D5 totally 10 road binding posts,
Current-limiting resistance and LED1-LED10 light emitting diode that R1-R10 is 330 ohm form.It is that 5V intrinsic safety electric source supplies by output voltage
Electricity, the 10 way switch amounts such as the forward-backward direction switch of external explosion-proof industrial vehicle, horn button.For this vehicle, control system
System is integrated with 10 way switch amounts and processes circuit, and wherein, the input of 5 way switch amounts accesses hoolivan 5 tunnel and enables switching value, switch
After Guan Bi, each optocoupler passes through 5V switching value, lights diode in optocoupler, and optocoupler opposite side turns on, by direct for 24V on-off model
Pass to the input of industrial vehicle controller, drive industrial vehicle to complete various action；Another 5 road optocoupler inputs access for merit
Rate controls the intrinsic safety switching value of element, and after switch Guan Bi, optocoupler lights diode in optocoupler, and optocoupler opposite side turns on, and controls to continue
Electric apparatus coil turn on, make relay adhesive, it is achieved industrial vehicle light, loudspeaker, braking energy feedback etc. function.
And, control system input, outfan are all with fault detect light emitting diode, circuit turn-on, and diode can be sent out
Light shows, it is achieved which gives out light the function warned where is it problem, facilitates the lookup of electric fault.
The control system of the 6th kind of explosion-proof industrial vehicle that the embodiment of the present application provides, be above-mentioned the second or the third
On the basis of the control system of explosion-proof industrial vehicle, also include following technical characteristic:
Described first current-limiting resistance is the current-limiting resistance of 330 ohm.
The control system of the 7th kind of explosion-proof industrial vehicle that the embodiment of the present application provides, is at above-mentioned 4th kind or the 5th kind
On the basis of the control system of explosion-proof industrial vehicle, also include following technical characteristic:
Described second current-limiting resistance is the current-limiting resistance of 330 ohm.
Concrete, optoelectronic isolating element group module is made up of U1-U10 10 road optocoupler, and optocoupler breakdown voltage is up to 1000V,
And the intrinsic safety electric source explosion proof ratings powered is up to Ga level, external switch is simple original paper, anti-without the impact such as inductance, electric capacity
The components and parts of quick-fried performance, therefore, control system can meet the requirement of GB3836 explosion-proof criteria completely,
Optocoupler can directly export no more than 100mA on-off model, and wherein U1-U5 optocoupler inputs positive series LED 2-respectively
LED6 luminous tube and R1-R5 resistance are directly accessed 5V intrinsic safety electric source, and G1-G5 5 road optocoupler input termination forward-backward direction is opened
Pass, parking brake travel switch, point driving switch, accelerator enable switch, and after these switch Guan Bis, corresponding optocoupler input is negative meets 5V
, optocoupler is i.e. started working, and corresponding LED2-LED6 luminous tube is luminous, and indication signal input is normal, and optocoupler exports and just connecing power supply
+ 24V, output is negative connects semaphore, and optocoupler works, and 24V on-off model thus can be passed by output conducting by Z1-Z5 port
To the input of industrial vehicle controller, industrial vehicle is driven to complete various action.Meanwhile, the LED11-that U1-U5 optocoupler is corresponding
LED15 luminous tube is luminous, and indication signal output is normal.
Multi-path fuction output module includes 5 road K5-K9 relay groups, J12-J16 binding post, R17, R19-R22 limit
Leakage resistance and LED16-LED20 light emitting diode. it accesses 24V voltage by D1-1 port.
U6-U10 optocoupler inputs positive series LED 1, LED7-LED10 luminous tube and R6-R10 resistance respectively and is directly accessed 5V originally
Peace power supply, the termination left and right turn lamp switch of L1-L5 5 road optocoupler input, service brake travel switch, Der StandlichtScheinwerfer und Parkleuchtenschalter, horn button,
After these switch Guan Bis, corresponding optocoupler input is negative connects 5V ground, and optocoupler is i.e. started working, and corresponding LED1, LED7-LED10 send out
Light pipe is luminous, and indication signal input is normal.Meanwhile, optocoupler output connects+24V power supply, and output is negative connects semaphore, and optocoupler works, defeated
Going out conducting, K5-K9 controls relay coil conducting, makes relay adhesive, the electric current of the maximum exportable 7A of relay contact, it is achieved
Industrial vehicle light, loudspeaker, braking energy feedback etc. function.Meanwhile, the LED1 that U6-U10 optocoupler is corresponding, LED7-LED10 send out
Light pipe is luminous, and indication signal output is normal.
The control system of the 8th kind of explosion-proof industrial vehicle that the embodiment of the present application provides, be above-mentioned the first to the 7th kind
In the control system of explosion-proof industrial vehicle on the basis of any one, also include following technical characteristic:
Also include circuit board, be used for described multi-path signal acquisition process module, described multi-path function number depanning are installed
Block and described photoelectric isolation module.The all components and parts of control system are all integrated on one piece of small-sized circuit board, in that context it may be convenient to
It is arranged in explosion-proof control box, and dependable performance.
The control system of the 9th kind of explosion-proof industrial vehicle that the embodiment of the present application provides, is in above-mentioned 8th kind of explosion-proof industry
On the basis of the control system of vehicle, also include following technical characteristic:
Described circuit board is Phototube Coupling pcb board.
The control system of the tenth kind of explosion-proof industrial vehicle that the embodiment of the present application provides, is in above-mentioned 9th kind of explosion-proof industry
On the basis of the control system of vehicle, also include following technical characteristic:
Also include explosion-proof tank, be used for holding described circuit board.
The input of above-mentioned control system, outfan are all with fault detection capability intuitively, and total cost is more isolated than using
Guard grating mode saves about 50%.
Components and parts detail in above-mentioned control system is as shown in the table:
Components and parts detail list in table 1 control system
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (10)
1. the control system of an explosion-proof industrial vehicle, it is characterised in that include multi-path signal acquisition process module and manifold
Road fuction output module, be provided with between described multi-path signal acquisition process module and multi-path fuction output module photoelectricity every
From module, it is used for completely isolated to described multi-path signal acquisition process module and multi-path fuction output module, and by described
First switching value of multi-path signal acquisition process module is converted to the second switch amount of described multi-path fuction output module, profit
By described second switch amount, the input controlling vehicle control device drives described explosion-proof industrial vehicle to complete deliberate action.
The control system of explosion-proof industrial vehicle the most according to claim 1, it is characterised in that described multi-path signals collecting
Processing module includes that the first switch, described photoelectric isolation module include the first optocoupler, the first light emitting diode, the first current limliting
Resistance and relay, described multi-path fuction output module includes that first terminal device, the first end of described first switch connect
The negative input of 5V intrinsic safety electric source, the second end of described first switch connects the first end of described optocoupler, described first optocoupler
The second end pass sequentially through described first light emitting diode of connection and described first current-limiting resistance is connected to described 5V intrinsic safety electricity
The electrode input end in source, the 3rd end of described first optocoupler is connected to described first terminal device by described relay, works as institute
First optocoupler described in when stating the first switch Guan Bi turns on, and makes described relay coil turn on and make described relay adhesive, controls
Described first terminal device responds.
The control system of explosion-proof industrial vehicle the most according to claim 2, it is characterised in that described first switch is loudspeaker
Button and described first terminal device are loudspeaker, or, described first switch is Der StandlichtScheinwerfer und Parkleuchtenschalter and described first terminal device
Part is headlight, or, described first switch is left steering lamp for left steering lamp switch and described first terminal device, or,
Described first switch is right turn lamp for right turn lamp switch and described first terminal device, or, described first switch is
Service brake forms switch and described first terminal device is service brake relay coil.
The control system of explosion-proof industrial vehicle the most according to claim 1, it is characterised in that described multi-path signals collecting
Processing module includes that second switch, described photoelectric isolation module include the second optocoupler, the second light emitting diode and the second limit
Leakage resistance, described multi-path fuction output module includes switching input control end, and the first end of described second switch connects 5V
The negative input of intrinsic safety electric source, the second end of described second switch connects the first end of described second optocoupler, described second light
Second end of coupling passes sequentially through described second light emitting diode of connection and described second current-limiting resistance is connected to described 5V intrinsic safety
The electrode input end of power supply, the three-terminal link of described second optocoupler to described switch input control end, when described second opens
Second optocoupler described in when closing Guan Bi turns on, and controls described switch input control end and responds.
The control system of explosion-proof industrial vehicle the most according to claim 4, it is characterised in that described second switch is for advancing
Switch and described switch input control end are controller advance On-off signal end, or, described second switch is for retreating
Switch and described switch input control end are that controller retreats On-off signal end, or, described second switch is that crawl is opened
Close and described switch input control end is controller point driving switch amount input, or, described second switch is parking brake stroke
Switch and described switch input control end are controller parking brake travel switch amount input, or, described second switch is for adding
Speed device enables switch and described switch input control end is that controller accelerator enables On-off signal end.
6. according to the control system of the explosion-proof industrial vehicle described in Claims 2 or 3, it is characterised in that described first current limliting electricity
Resistance is the current-limiting resistance of 330 ohm.
7. according to the control system of the explosion-proof industrial vehicle described in claim 4 or 5, it is characterised in that described second current limliting electricity
Resistance is the current-limiting resistance of 330 ohm.
8. according to the control system of the explosion-proof industrial vehicle described in any one of claim 1-7, it is characterised in that also include circuit
Plate, is used for installing described multi-path signal acquisition process module, described multi-path fuction output module and described Phototube Coupling mould
Block.
The control system of explosion-proof industrial vehicle the most according to claim 8, it is characterised in that described circuit board be photoelectricity every
From pcb board.
The control system of explosion-proof industrial vehicle the most according to claim 9, it is characterised in that also include explosion-proof tank, be used for
Hold described circuit board.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610741835.1A CN106094604A (en) | 2016-08-26 | 2016-08-26 | A kind of control system of explosion-proof industrial vehicle |
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| CN201610741835.1A CN106094604A (en) | 2016-08-26 | 2016-08-26 | A kind of control system of explosion-proof industrial vehicle |
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| CN102411323A (en) * | 2010-09-21 | 2012-04-11 | 江苏新力科技实业有限公司 | Flameproof and intrinsically safe control circuit device for mines |
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Application publication date: 20161109 |
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| RJ01 | Rejection of invention patent application after publication |