CN206571530U - A kind of mine flame-proof and intrinsic safety type signal conversion equipment - Google Patents
A kind of mine flame-proof and intrinsic safety type signal conversion equipment Download PDFInfo
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- CN206571530U CN206571530U CN201621484748.4U CN201621484748U CN206571530U CN 206571530 U CN206571530 U CN 206571530U CN 201621484748 U CN201621484748 U CN 201621484748U CN 206571530 U CN206571530 U CN 206571530U
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- intrinsic safety
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Abstract
The utility model, which belongs to, is related to mine field, propose a kind of mine flame-proof and intrinsic safety type signal conversion equipment, including housing, intrinsic safety electric source module and multichannel intrinsic safety signal isolation change-over circuit are provided with housing, power input port is provided with housing, the non-intrinsic safety control signal input mouthful of multichannel and multichannel intrinsic safety control signal output mouthful, the non-intrinsic safety control signal input mouth of multichannel is connected after intrinsic safety signal isolation change-over circuit all the way with multichannel intrinsic safety control signal output mouthful respectively, intrinsic safety electric source module is used to power to multichannel intrinsic safety signal isolation change-over circuit, the non-intrinsic safety control signal that the utility model can input coal-winning machine or other flame-proof type equipment is converted to be exported after intrinsic safety control signal, it can be widely applied to mine signal control field.
Description
Technical field
The utility model is related to mine field, and in particular in a kind of explosive atmosphere of underground coal mine, non-intrinsic safety is believed
Number be converted to the chromacoder of intrinsic safety signal.
Background technology
Generally, in the explosive atmosphere of underground coal mine, coal-winning machine is finally realized to shaking by explosion-proof solenoid valve
Arm heightens the control of oil cylinder and traction braking device.But some collieries configure the emulsification hydraulic Force system of the whole series, use
The need for emulsion driving controls coal mining Oil cylinder and brake.The original control object of coal-winning machine is explosion-proof type magnetic valve, hair
It is non-intrinsic safety to go out signal；And emulsification hydraulic Force system is used, driving is intrinsic safety valve, it is desirable that essential safety signal.
Original Electric Control System of Coal Cutter peace mark is put on record, it is impossible to arbitrarily change, if necessary to change the output type of signal（Intrinsic safety
Whether）Need from the interlock circuit for newly adding relevant intrinsic safety output, and change of putting on record of submitting to a higher level for approval or revision.Moreover the coal-winning machine of all models is all
There is the possibility for being transformed into emulsification hydraulic Force system.Designs modification and the cost of putting on record of submitting to a higher level for approval or revision for all carrying out circuits are huge.To understand
Never transformation of the same model coal-winning machine to emulsion intrinsic safety pressure system needs, and completes non-intrinsically safe safety signal and believes with essential safety
Number mutual conversion.Continue to research and develop a kind of independent chromacoder, in the conversion as intrinsic safety signal and non-intrinsic safety signal
After while intrinsic safety and non-intrinsic safety equipment are connected, so that meeting different model coal-winning machine or other equipment directly controls intrinsic safety element
The need for.
Utility model content
The utility model overcomes the shortcomings of that prior art is present, and technical problem to be solved is：There is provided one kind can be by
Non- intrinsic safety control signal is converted to a kind of mine flame-proof and intrinsic safety type signal conversion equipment of intrinsic safety control signal.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of mine explosion-suppression and intrinsic safety type
Intrinsic safety electric source module and multichannel intrinsic safety signal isolation change-over circuit are provided with chromacoder, including housing, the housing,
The non-intrinsic safety control signal input mouthful of power input port, multichannel and the output of multichannel intrinsic safety control signal are provided with the housing
Port, the non-intrinsic safety control signal input mouth of the multichannel respectively after intrinsic safety signal isolation change-over circuit all the way with the multichannel
Intrinsic safety control signal output mouthful connection, the intrinsic safety electric source module is used to supply to the multichannel intrinsic safety signal isolation change-over circuit
Electricity, the non-intrinsic safety control signal input mouthful of multichannel is used to be connected with coal-winning machine or other flame-proof type equipment, multichannel intrinsic safety control
Signal output port processed is used to be connected with intrinsic safety magnetic valve or other intrinsic safety elements, and the intrinsic safety signal isolation change-over circuit is used for
The non-intrinsic safety control signal that the coal-winning machine or other flame-proof type equipment are inputted is converted to and exported after intrinsic safety control signal.
The intrinsic safety signal isolation circuit includes：Optocoupler U, FET Q and fuse F, non-intrinsic safety control signal input
Port is connected with the signal input positive terminal of the optocoupler U, optocoupler U signal input negative terminal ground connection, optocoupler U signal output current collection
Pole is connected with the power output end of intrinsic safety electric source module, and optocoupler U signal output emitter stage is connected with FET Q grid,
The power output end of intrinsic safety electric source module is through resistance R, and the drain electrode after light emitting diode D fuses F with the FET Q connects
Connect, FET Q source ground, intrinsic safety control signal output mouthful is connected with light emitting diode D negative electrode.
The intrinsic safety isolation circuit also include resistance R1, resistance R2, resistance R25 and resistance R26, resistance R1 one end with it is non-
Intrinsic safety control signal input mouthful connection, resistance R 1 other end is also grounded through resistance R2, optocoupler U1 input positive terminal and resistance
R1 other end connection；Optocoupler U1 signal output emitter stage is connected with resistance R25 one end, the resistance R25 other end and field
Effect pipe Q1 grid connection, the resistance R25 other end is grounded also after resistance R26.
The intrinsic safety isolation circuit also include diode D1, diode D1 reversal connections optocoupler V1 signal output colelctor electrode with
Between the intrinsic safety control signal output mouthful.
The resistance R1 resistances are that 3.3k Ω, the resistance R2 resistance are that 2k Ω, resistance R25 resistance is 3.6k
Ω, the resistance R26 resistance are 5.1k Ω, the optocoupler model PC817, the FET model FR120N
MOSFET。
The utility model has the advantages that compared with prior art：The utility model can make underground coal mine, no
The safety-type signal of non-intrinsically safe that the flame-proof type equipment of same model or type is sent, is isolated by changing, with control intrinsic safety device
The ability of part or equipment, its compatibility and strong applicability, can be widely applied to coal mine field.
Brief description of the drawings
A kind of circuit structure for mine flame-proof and intrinsic safety type signal conversion equipment that Fig. 1 provides for the utility model embodiment
Schematic diagram；
Fig. 2 is the electrical block diagram of intrinsic safety signal isolation change-over circuit all the way in Fig. 1.
Embodiment
, below will be to the utility model to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Technical scheme in embodiment is clearly and completely described, it is clear that described embodiment is a part of the present utility model
Embodiment, rather than whole embodiments；Based on the embodiment in the utility model, those of ordinary skill in the art are not making
Go out the every other embodiment obtained under the premise of creative work, belong to the scope of the utility model protection.
As shown in figure 1, the utility model embodiment provides a kind of mine flame-proof and intrinsic safety type signal conversion equipment, including
It is provided with intrinsic safety electric source module 2 and multichannel intrinsic safety signal isolation change-over circuit 6, the housing 1 and sets in housing 1, the housing
The non-intrinsic safety control signal input mouthful 4 of power input port 3, multichannel and multichannel intrinsic safety control signal output mouthful 5 are equipped with, it is described
Multichannel non-intrinsic safety control signal input mouthful 4 respectively after intrinsic safety signal isolation change-over circuit 6 all the way with the multichannel intrinsic safety control
Signal output port 5 processed is connected, and the non-intrinsic safety control signal input mouthful 4 of multichannel is used to set with coal-winning machine or other flame-proof types
Standby connection, the intrinsic safety electric source module 2 is used to power to the multichannel intrinsic safety signal isolation change-over circuit 6, the control of multichannel intrinsic safety
Signal output port 5 is used to be connected with intrinsic safety magnetic valve or other intrinsic safety elements, and the intrinsic safety signal isolation change-over circuit 6 is used for
The non-intrinsic safety control signal that the coal-winning machine or other flame-proof type equipment are inputted is converted to and exported after intrinsic safety control signal.
As shown in Fig. 2 be the wherein circuit connection diagram of intrinsic safety signal isolation change-over circuit 6 all the way, it can be seen that
Wherein intrinsic safety signal isolation circuit includes all the way：Optocoupler U1, FET Q1, resistance R49, light emitting diode D13 and fuse
F1, non-intrinsic safety control signal input mouthful 4 is connected with the signal input positive terminal of the optocoupler U1, optocoupler U1 signal input negative terminal
Ground connection, optocoupler U1 signal output colelctor electrode is connected with the power output end of intrinsic safety electric source module 2, optocoupler U1 signal output hair
Emitter-base bandgap grading is connected with FET Q1 grid, and the power output end of intrinsic safety electric source module 2 is molten through resistance R49, light emitting diode D13
It is connected after disconnected device F1 with the drain electrode of the FET Q1, FET Q1 source ground, intrinsic safety control signal output mouthful 5
It is connected with light emitting diode D13 negative electrode.
It can realize that overstepping one's bounds intrinsic safety electric source drives intrinsic safety or non-intrinsically safe circuit purpose by optocoupler U1 and FET Q1, should
Circuit not only solves the bulky problem of former relay board, it is common to common cathode and common-anode after improvement
Two kinds of connected modes, and without the risk that MOS burns, the stabilization of system is substantially increased while component size is reduced
Property.Wherein, fuse F1 can be auto-instauration fuse pipe, then the circuit can automatically disconnect in excessively stream, and normal in electric current
Automatic afterwards to recover, light emitting diode D13 is used to carry out luminescence display, intuitively to understand the break-make of the intrinsic safety signal isolation circuit
Whether.
As shown in Fig. 2 intrinsic safety isolation circuit also includes resistance R1, resistance R2, resistance R25 and resistance R26, the one of resistance R1
End and non-intrinsic safety control signal input mouthful（4）Connection, resistance R 1 other end is also grounded through resistance R2, optocoupler U1 input
Anode is connected with the resistance R1 other end；Optocoupler U1 signal output emitter stage is connected with resistance R25 one end, resistance R25's
The other end is connected with FET Q1 grid, and the resistance R25 other end is grounded also after resistance R26.Resistance R1 and resistance R2
For partial pressure to be protected to optocoupler U1, resistance R25 and resistance R26 are used to partial pressure protect FET Q1.
As shown in Fig. 2 intrinsic safety isolation circuit 6 also includes diode D1, signal output of the diode D1 reversal connections in optocoupler V1
Between colelctor electrode and the intrinsic safety control signal output mouthful.Diode D1 is fly-wheel diode, can prevent residual after power-off
Aftercurrent formation high voltage, damages circuit isolation.
Further, the circuit parameter of intrinsic safety isolation circuit 5 is specifically as follows：The resistance R1 resistances are 3.3k Ω, institute
The resistance for stating resistance R2 is that 2k Ω, the resistance R25 resistance are that 3.6k Ω, resistance R26 resistance is 5.1k Ω, described
Optocoupler model PC817, the FET model FR120N MOSFET.
Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (5)
1. a kind of mine flame-proof and intrinsic safety type signal conversion equipment, it is characterised in that including housing（1）, the housing is interior to be set
There is intrinsic safety electric source module（2）With multichannel intrinsic safety signal isolation change-over circuit（6）, the housing（1）On be provided with power input
Mouthful（3）, multichannel non-intrinsic safety control signal input mouthful（4）With multichannel intrinsic safety control signal output mouthful（5）, non-of the multichannel
Pacify control signal input mouthful（4）Respectively through intrinsic safety signal isolation change-over circuit all the way（6）Control to believe with the multichannel intrinsic safety afterwards
Number output port（5）Connection, the intrinsic safety electric source module（2）For to the multichannel intrinsic safety signal isolation change-over circuit（6）For
Electricity, the non-intrinsic safety control signal input mouthful of multichannel（4）For being connected with coal-winning machine or other flame-proof type equipment, multichannel intrinsic safety
Control signal output mouthful（5）For being connected with intrinsic safety magnetic valve or other intrinsic safety elements, the intrinsic safety signal isolation conversion electricity
Road（6）For the non-intrinsic safety control signal of the coal-winning machine or the input of other flame-proof type equipment to be converted to after intrinsic safety control signal
Output.
2. a kind of mine flame-proof and intrinsic safety type signal conversion equipment according to claim 1, it is characterised in that the intrinsic safety
Signal isolation circuit includes：Optocoupler U1, FET Q1 and fuse F1, non-intrinsic safety control signal input mouthful（4）With it is described
Optocoupler U1 signal input positive terminal connection, optocoupler U1 signal input negative terminal ground connection, optocoupler U1 signal output colelctor electrode and sheet
Pacify power module（2）Power output end connection, optocoupler U1 signal output emitter stage is connected with FET Q1 grid,
Pacify power module（2）Power output end through resistance R49, with the FET Q1's after light emitting diode D13 fuses F1
Drain electrode connection, FET Q1 source ground, intrinsic safety control signal output mouthful（5）Connect with light emitting diode D13 negative electrode
Connect.
3. a kind of mine flame-proof and intrinsic safety type signal conversion equipment according to claim 1, it is characterised in that the intrinsic safety
Isolation circuit also includes resistance R1, resistance R2, resistance R25 and resistance R26, and resistance R1 one end is inputted with non-intrinsic safety control signal
Port（4）Connection, the resistance R1 other end is also grounded through resistance R2, and optocoupler U1 input positive terminal connects with the resistance R1 other end
Connect；Optocoupler U1 signal output emitter stage is connected with resistance R25 one end, the resistance R25 other end and FET Q1 grid
Pole is connected, and the resistance R25 other end is grounded also after resistance R26.
4. a kind of mine flame-proof and intrinsic safety type signal conversion equipment according to claim 3, it is characterised in that the intrinsic safety
Isolation circuit also includes diode D1, signal output colelctor electrode and the intrinsic safety control signal of the diode D1 reversal connections in optocoupler V1
Between output port.
5. a kind of mine flame-proof and intrinsic safety type signal conversion equipment according to claim 4, it is characterised in that the resistance
R1 resistances are that 3.3k Ω, the resistance R2 resistance are that 2k Ω, resistance R25 resistance is 3.6k Ω, the resistance R26's
Resistance is 5.1k Ω, the optocoupler model PC817, the FET model FR120N MOSFET.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621484748.4U CN206571530U (en) | 2016-12-31 | 2016-12-31 | A kind of mine flame-proof and intrinsic safety type signal conversion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621484748.4U CN206571530U (en) | 2016-12-31 | 2016-12-31 | A kind of mine flame-proof and intrinsic safety type signal conversion equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206571530U true CN206571530U (en) | 2017-10-20 |
Family
ID=60060849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621484748.4U Active CN206571530U (en) | 2016-12-31 | 2016-12-31 | A kind of mine flame-proof and intrinsic safety type signal conversion equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN206571530U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462896A (en) * | 2018-08-02 | 2019-03-12 | 上海隽玺电子科技有限公司 | One kind being used for the wireless isolated transmission module of explosion hazard area intrinsic safety information |
| CN117394846A (en) * | 2023-12-13 | 2024-01-12 | 常州市索鼎自动化科技有限公司 | Isolation device for intrinsically safe devices |
-
2016
- 2016-12-31 CN CN201621484748.4U patent/CN206571530U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462896A (en) * | 2018-08-02 | 2019-03-12 | 上海隽玺电子科技有限公司 | One kind being used for the wireless isolated transmission module of explosion hazard area intrinsic safety information |
| CN117394846A (en) * | 2023-12-13 | 2024-01-12 | 常州市索鼎自动化科技有限公司 | Isolation device for intrinsically safe devices |
| CN117394846B (en) * | 2023-12-13 | 2024-02-27 | 常州市索鼎自动化科技有限公司 | Isolation device for intrinsically safe devices |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Chao Inventor after: Zhao Guoping Inventor after: Zhang Xue Inventor after: Wang Xuesong Inventor after: Song Dongshuai Inventor after: Peng Jiawei Inventor after: Cheng Yongji Inventor after: Fan Shuai Inventor after: Wang Huiming Inventor after: Wang Jipeng Inventor before: Wang Chao Inventor before: Zhao Guoping Inventor before: Wang Xue Inventor before: Wang Xuesong Inventor before: Song Dongshuai Inventor before: Peng Jiawei Inventor before: Cheng Yongji Inventor before: Fan Shuai Inventor before: Wang Huiming Inventor before: Wang Jipeng |
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| CB03 | Change of inventor or designer information |