CN207074997U - A kind of mine digital signal adapter - Google Patents
A kind of mine digital signal adapter Download PDFInfo
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- CN207074997U CN207074997U CN201720522950.XU CN201720522950U CN207074997U CN 207074997 U CN207074997 U CN 207074997U CN 201720522950 U CN201720522950 U CN 201720522950U CN 207074997 U CN207074997 U CN 207074997U
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Abstract
This application discloses a kind of mine digital signal adapter, including：Power circuit, flame proof loop and the intrinsically safe circuit being sequentially connected；Intrinsically safe circuit and flame proof circuit in series, intrinsically safe circuit include n optocoupler and resistance, and each relay, optocoupler and resistance form an isolated location, share n isolated locations parallel with one another；Wherein, each isolated location repeat circuit is connected on the second input of optocoupler, and resistant series are in the first output end of optocoupler, and the first input end of optocoupler is connected with external circuit, and the second output end of optocoupler is connected with power circuit and external circuit；It is connected with external circuit and is connected using connector, connector is vertically mounted on pcb board.It can be seen that the utility model realizes the function of digital signal converter, and uses conventional component, using reliable, cost is low, and autgmentability is strong, and pcb board can be vertically mounted on external equipment using connector, saves space.
Description
Technical field
Mining equipment control technology field is the utility model is related to, more particularly to a kind of mine digital signal adapter.
Background technology
With the construction of country, mining industry is always the Important Economic industry in China, energy minerals, mineral metal products and nonmetallic
Mineral products etc., it is fast-developing in China, with the development of science and technology in order to improve the security of mining industry and production efficiency, progressively introduce
Automation equipment, improve mineral products and excavate condition, wherein, intrinsic safety flame proof digital signal converter, it is that important in production one sets
It is standby.
It is mostly at present Wiring type, plane in intrinsic safety flame proof digital signal converter used in underground coal mine coal mine machinery control cabinet
Installation, space-consuming is big, not easy to install, not easy care, and external product such as Tours gram isolated gate, price is too high, therefore, how
Production cost is controlled, is current research direction.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of mine digital signal adapter, is produced into reducing
This, saves installing space.Its concrete scheme is as follows：
A kind of mine digital signal adapter, including：Power circuit, flame proof loop and the intrinsically safe circuit being sequentially connected；Its
In, the power circuit includes rectification circuit, filter capacitor and the three-terminal voltage-stabilizing pipe being sequentially connected, and the flame proof loop includes n
Individual relay, the disconnecting switch of each relay are distinguished its corresponding relay and are connected with external circuit, the intrinsically safe circuit
With the flame proof circuit in series, the intrinsically safe circuit includes n optocoupler and resistance, each relay, optocoupler and resistance composition one
Individual isolated location, shares the n isolated locations parallel with one another, and n is the positive integer more than or equal to 4；
Wherein, each isolated location repeat circuit is connected on the second input of optocoupler, and resistant series are in optocoupler
First output end, the first input end of optocoupler are connected with external circuit, and the second output end of optocoupler is with the power circuit and outside
Portion's circuit connection；It is connected with external circuit and is connected using connector, the connector is vertically mounted on pcb board.
Preferably, the power circuit, including the first diode, the second diode, the 3rd diode, the 4th diode,
First filter capacitor, the second filter capacitor, the three-terminal voltage-stabilizing pipe, the negative pole of first diode and the 3rd diode
Negative pole be connected, the positive pole of the 3rd diode is connected with the negative pole of the 4th diode, and the 4th diode is just
Pole is connected with the positive pole of second diode, and the negative pole of second diode is connected with the positive pole of first diode,
The negative pole of first diode, the first end of the three-terminal voltage-stabilizing pipe are connected with the first end of first filter capacitor, institute
State the second end of three-terminal voltage-stabilizing pipe, the first end of second filter capacitor is connected with the first end in the flame proof loop, described
Second end of the second filter capacitor, the 3rd end of the three-terminal voltage-stabilizing pipe, second end in the flame proof loop, first filtering
Second end of electric capacity is connected with the positive pole of second diode, and the positive pole of first diode is connected with external circuit, institute
The positive pole for stating the 3rd diode is connected with external circuit.
Preferably, the power circuit, including the first diode, the second diode, the 3rd diode, the 4th diode,
First filter capacitor, the second filter capacitor and the three-terminal voltage-stabilizing pipe；The positive pole of first diode and the three or two pole
The positive pole of pipe is connected, and the negative pole of the 3rd diode is connected with the positive pole of the 4th diode, the 4th diode
Negative pole is connected with the negative pole of second diode, the negative pole phase of the positive pole of second diode and first diode
Even, the first end of the positive pole of first diode, the second end of the first filter capacitor and the three-terminal voltage-stabilizing pipe is connected with each other,
The negative pole of second diode, the first end of first filter capacitor, the 3rd end of the three-terminal voltage-stabilizing pipe, described second
The first end of filter capacitor is connected with second end in the flame proof loop, the second end of the three-terminal voltage-stabilizing pipe, second filter
Second end of ripple electric capacity is connected with the first end in the flame proof loop, the positive pole of second diode and the 4th diode
Positive pole be connected respectively with external circuit.
Preferably, filter capacitor is electrochemical capacitor, the just extremely first end of filter capacitor of electrochemical capacitor, electrochemical capacitor
Negative pole is the second end of filter capacitor.
Preferably, the connector is CB2-20J connectors.
Preferably, the three-terminal voltage-stabilizing pipe is lm7824 three-terminal voltage-stabilizing pipes.
Preferably, the three-terminal voltage-stabilizing pipe is lm7924 three-terminal voltage-stabilizing pipes.
Preferably, each optocoupler includes phototriode and light emitting diode；Wherein, the positive pole of the light emitting diode
First input end as optocoupler is connected with external circuit, and the negative pole of the light emitting diode is connected with resistance, and described photosensitive three
The emitter stage of pole pipe is connected with second end in the flame proof loop, the colelctor electrode of the phototriode and corresponding relay phase
Even.
Preferably, the negative pole of light emitting diode described in each optocoupler connects as the first input end of optocoupler with external circuit
Connect, the positive pole of the light emitting diode is connected with resistance, and the emitter stage of the phototriode is connected with corresponding relay, institute
The colelctor electrode for stating phototriode is connected with second end in the flame proof loop.
In the utility model, mine digital signal adapter, including：Power circuit, flame proof loop and the sheet being sequentially connected
Pacify circuit；Wherein, power circuit includes rectification circuit, filter capacitor and the three-terminal voltage-stabilizing pipe being sequentially connected, and flame proof loop includes n
Individual relay, the disconnecting switch of each relay are distinguished its corresponding relay and are connected with external circuit, intrinsically safe circuit with every
Quick-fried circuit in series, intrinsically safe circuit include n optocoupler and resistance, and each relay, optocoupler and resistance form an isolated location, altogether
There are n isolated locations parallel with one another, n is the positive integer more than or equal to 4；Wherein, each isolated location repeat circuit is connected on
Second input of optocoupler, resistant series are in the first output end of optocoupler, and the first input end of optocoupler is connected with external circuit, light
Second output end of coupling is connected with power circuit and external circuit；It is connected with external circuit and is connected using connector, connector
It is vertically mounted on pcb board.It can be seen that the utility model utilizes power circuit, by the flame proof circuit including relay and including light
The intrinsically safe circuit of coupling, realizes the function of digital signal converter, and uses conventional component, and using reliable, cost is low, expands
Malleability is strong, and pcb board can be vertically mounted on external equipment using connector, using vertical space, reduces to horizontal blank
Between occupancy, improve space availability ratio, save space.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing of offer.
Fig. 1 is a kind of mine digital signal adapter structural representation disclosed in the utility model embodiment；
Fig. 2 is another mine digital signal adapter structural representation disclosed in the utility model embodiment；
Fig. 3 is another mine digital signal adapter structural representation disclosed in the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The utility model embodiment discloses a kind of mine digital signal adapter, shown in Figure 1, mine digital letter
Number converter includes：Power circuit 11, flame proof loop 12 and the intrinsically safe circuit 13 being sequentially connected；Wherein, power circuit 11 includes
Rectification circuit 111, filter capacitor 112 and the three-terminal voltage-stabilizing pipe IC2 being sequentially connected, flame proof loop 12 include n relay, each
The disconnecting switch of relay is distinguished its corresponding relay and is connected with external circuit, and intrinsically safe circuit 13 is gone here and there with flame proof loop 12
Connection, intrinsically safe circuit 13 include n optocoupler and resistance, and each relay, optocoupler and resistance form an isolated location 14, share n
Individual isolated location 14 parallel with one another, n are the positive integer more than or equal to 4；Wherein, each repeat circuit of isolated location 14 is connected on
Second input of optocoupler, resistant series are in the first output end of optocoupler, and the first input end of optocoupler is connected with external circuit, light
Second output end of coupling is connected with power circuit 11 and external circuit；It is connected with external circuit and is connected using connector, is patched
Part is vertically mounted on pcb board.
Power circuit 11 is connected with external power source, and external voltage electric current is by rectification circuit 111, filter capacitor 112 and three
Voltage-stabiliser tube IC2 is held, is filtered, rectification and voltage stabilizing, obtains meeting in the relay and intrinsically safe circuit 13 in flame proof loop 12
The voltage and current of optocoupler, to drive relay and optocoupler.
Flame proof loop 12 includes n relay, and the model of each relay can be the same, and each relay utilizes optocoupler
The corresponding switch closure of electric signal control disconnects, and plays the physical isolation effect to circuit, the output end in flame proof loop 12 can
To be connected with PLC circuit；Wherein, the switch of each relay is parallel with one another.
Intrinsically safe circuit 13 includes n optocoupler and resistance, and the first input end of each optocoupler is connected with external sensor, resistance
One end be connected with external sensor, the first output end of the other end of resistance and optocoupler connects, and intrinsically safe circuit 13 receives outside
The various signals of sensor input, optocoupler utilize the electric signal of external sensor input, drive the relay connected with optocoupler, together
When, optocoupler also serves as electrical isolation element.
It should be noted that the both end voltage of power circuit 11 can be 24V to 30V alternating current, intrinsically safe circuit 13 inputs
Terminal voltage can be 12V to 24V direct current.
It is understood that the port A1 to An and B1 to Bn that are connected with external circuit are attached using connector,
It is attached using plug and external circuit, being arranged in a mutually vertical manner with pcb board for connector, makes connector can be with right angle setting
On external equipment, improve space availability ratio, save space, for example, can with connector be arranged on explosion-proof tank in, using hang down
Straight space, the occupancy to horizontal space is reduced, improves space availability ratio, reduces space-consuming.
It can be seen that the utility model utilizes power circuit 11, by the flame proof circuit including relay and the intrinsic safety including optocoupler
Circuit 13, realizes the function of digital signal converter, and uses conventional component, and using reliable, cost is low, autgmentability
By force, and using connector pcb board can be vertically mounted on external equipment, using vertical space, reduced to horizontal space
Take, improve space availability ratio, save space.
The utility model embodiment discloses a kind of specific mine digital signal adapter, relative to a upper embodiment,
The present embodiment has made further instruction and optimization to technical scheme.It is shown in Figure 2, specifically：
In the utility model embodiment, above-mentioned power circuit 11 can specifically include the first diode D1, the second diode
D2, the 3rd diode D3, the 4th diode D4, the first filter capacitor C1, the second filter capacitor C2 and three-terminal voltage-stabilizing pipe IC2；The
One diode D1 negative pole is connected with the 3rd diode D3 negative pole, the 3rd diode D3 positive pole and bearing for the 4th diode D4
Extremely it is connected, the 4th diode D4 positive pole is connected with the second diode D2 positive pole, the second diode D2 negative pole and the one or two
Pole pipe D1 positive pole is connected, the first diode D1 negative pole, the of three-terminal voltage-stabilizing pipe IC2 first end and the first filter capacitor C1
One end is connected, and three-terminal voltage-stabilizing pipe IC2 the second end, the second filter capacitor C2 positive pole are connected with the first end in flame proof loop 12,
Second filter capacitor C2 negative pole, three-terminal voltage-stabilizing pipe IC2 the 3rd end, second end in flame proof loop 12, the first filter capacitor C1
The second end be connected with the second diode D2 positive pole, the first diode D1 positive pole is connected with external circuit, the 3rd diode
D3 positive pole is connected with external circuit.
In the utility model embodiment, each optocoupler includes phototriode and light emitting diode in intrinsically safe circuit 13；
Wherein, the positive pole of light emitting diode is connected as the first input end of optocoupler with external circuit, negative pole and the electricity of light emitting diode
Resistance connection, the emitter stage of phototriode is connected with second end in flame proof loop 12, the colelctor electrode of phototriode with it is corresponding
Relay is connected.
It is understood that filter capacitor can be electrochemical capacitor, the just extremely first end of filter capacitor of electrochemical capacitor,
The negative pole of electrochemical capacitor is the second end of filter capacitor.
In the utility model embodiment, including 8 relay K1 to K8,8 optocoupler J1 to J8 and 8 resistance R1 to R8,8
It is individual it is corresponding with relay switch S1 to S8, in addition to port A1 to A10 and B1 to B10 with external connection.Certainly, Yong Huke
According to practical application needs, to be extended to circuit, increase isolated location, to adapt to practical application request.
Now, optocoupler receives passive or minus polarity signal in the utility model embodiment, and three-terminal voltage-stabilizing pipe IC2 is lm7824
Three-terminal voltage-stabilizing pipe.
The utility model embodiment also discloses a kind of mine digital signal adapter, shown in Figure 3, specifically：
In the utility model embodiment, power circuit can also specifically include the first diode D1, the second diode D2,
Three diode D3, the 4th diode D4, the first filter capacitor C1, the second filter capacitor C2 and three-terminal voltage-stabilizing pipe IC2；One or two pole
Pipe D1 positive pole is connected with the 3rd diode D3 positive pole, the positive pole phase of the 3rd diode D3 negative pole and the 4th diode D4
Even, the 4th diode D4 negative pole is connected with the second diode D2 negative pole, the second diode D2 positive pole and the first diode
D1 negative pole is connected, the first end of the first diode D1 positive pole, the first filter capacitor C1 the second end and three-terminal voltage-stabilizing pipe IC2
It is connected with each other, the second diode D2 negative pole, the first filter capacitor C1 first end, three-terminal voltage-stabilizing pipe IC2 the 3rd end, second
Filter capacitor C2 first end is connected with second end in flame proof loop, three-terminal voltage-stabilizing pipe IC2 the second end, the second filter capacitor C2
The second end be connected with the first end in flame proof loop, the second diode D2 positive pole and the 4th diode D4 positive pole respectively with outside
Portion's circuit connection.
In the utility model embodiment, in intrinsically safe circuit in each optocoupler the negative pole of light emitting diode as optocoupler first
Input is connected with external circuit, and the positive pole of light emitting diode is connected with resistance, the emitter stage of phototriode with it is corresponding after
Electrical equipment is connected, and the colelctor electrode of phototriode is connected with second end in flame proof loop.
Compared to a upper embodiment, three-terminal voltage-stabilizing pipe IC2 is changed into lm7924 three-terminal voltage-stabilizing pipe IC2, and by commutation diode,
Filter capacitor and optocoupler are reversely installed so that optocoupler can receive positive signal so that converter and the intrinsic safety of all inputs
Data signal is all compatible.
It is understood that filter capacitor can be electrochemical capacitor, the just extremely first end of filter capacitor of electrochemical capacitor,
The negative pole of electrochemical capacitor is the second end of filter capacitor.
The foregoing description of the disclosed embodiments, those skilled in the art are enable to realize or using the utility model.
A variety of modifications to these embodiments will be apparent for a person skilled in the art, as defined herein general former
Reason can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Therefore, this practicality is new
Type 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
Consistent most wide scope.
Claims (9)
- A kind of 1. mine digital signal adapter, it is characterised in that including：Power circuit, flame proof loop and the sheet being sequentially connected Pacify circuit；Wherein, the power circuit includes rectification circuit, filter capacitor and the three-terminal voltage-stabilizing pipe being sequentially connected, the flame proof Loop includes n relay, and the disconnecting switch of each relay is distinguished its corresponding relay and is connected with external circuit, described Intrinsically safe circuit and the flame proof circuit in series, the intrinsically safe circuit include n optocoupler and resistance, each relay, optocoupler and electricity Resistance one isolated location of composition, shares the n isolated locations parallel with one another, and n is the positive integer more than or equal to 4；Wherein, each isolated location repeat circuit is connected on the second input of optocoupler, resistant series in optocoupler first Output end, the first input end of optocoupler are connected with external circuit, the second output end and the power circuit and the external electrical of optocoupler Road connects；It is connected with external circuit and is connected using connector, the connector is vertically mounted on pcb board.
- 2. mine digital signal adapter according to claim 1, it is characterised in that the power circuit, including first Diode, the second diode, the 3rd diode, the 4th diode, the first filter capacitor, the second filter capacitor and three end are steady Pressure pipe；The negative pole of first diode is connected with the negative pole of the 3rd diode, the positive pole of the 3rd diode and institute The negative pole for stating the 4th diode is connected, and the positive pole of the 4th diode is connected with the positive pole of second diode, and described The negative pole of two diodes is connected with the positive pole of first diode, the negative pole of first diode, the three-terminal voltage-stabilizing pipe First end be connected with the first end of first filter capacitor, the second end of the three-terminal voltage-stabilizing pipe, second filtered electrical The first end of appearance is connected with the first end in the flame proof loop, the second end of second filter capacitor, the three-terminal voltage-stabilizing pipe The 3rd end, second end in the flame proof loop, the positive pole of the second end of first filter capacitor and second diode It is connected, the positive pole of first diode is connected with external circuit, and the positive pole of the 3rd diode is connected with external circuit.
- 3. mine digital signal adapter according to claim 1, it is characterised in that the power circuit, including first Diode, the second diode, the 3rd diode, the 4th diode, the first filter capacitor, the second filter capacitor and three end are steady Pressure pipe；The positive pole of first diode is connected with the positive pole of the 3rd diode, the negative pole of the 3rd diode and institute The positive pole for stating the 4th diode is connected, and the negative pole of the 4th diode is connected with the negative pole of second diode, and described The positive pole of two diodes is connected with the negative pole of first diode, the positive pole of first diode, the first filter capacitor The first end of second end and the three-terminal voltage-stabilizing pipe is connected with each other, negative pole, first filter capacitor of second diode First end, the 3rd end of the three-terminal voltage-stabilizing pipe, the second of the first end of second filter capacitor and the flame proof loop End is connected, the first end at the second end of the three-terminal voltage-stabilizing pipe, the second end of second filter capacitor and the flame proof loop It is connected, the positive pole of the positive pole of second diode and the 4th diode is connected with external circuit respectively.
- 4. mine digital signal adapter according to claim 1, it is characterised in that filter capacitor is electrochemical capacitor, electricity The just extremely first end of filter capacitor of electric capacity is solved, the negative pole of electrochemical capacitor is the second end of filter capacitor.
- 5. mine digital signal adapter according to claim 1, it is characterised in that the connector connects for CB2-20J Plug-in unit.
- 6. mine digital signal adapter according to claim 2, it is characterised in that the three-terminal voltage-stabilizing pipe is lm7824 Three-terminal voltage-stabilizing pipe.
- 7. mine digital signal adapter according to claim 3, it is characterised in that the three-terminal voltage-stabilizing pipe is lm7924 Three-terminal voltage-stabilizing pipe.
- 8. according to the mine digital signal adapter described in claim 1,2,4,5 or 6, it is characterised in that wrapped in each optocoupler Include phototriode and light emitting diode；Wherein, first input end and outside of the positive pole of the light emitting diode as optocoupler Circuit is connected, and the negative pole of the light emitting diode is connected with resistance, the emitter stage of the phototriode and the flame proof loop The second end be connected, the colelctor electrode of the phototriode is connected with corresponding relay.
- 9. according to the mine digital signal adapter described in claim 1,3,4,5 or 7, it is characterised in that wrapped in each optocoupler Include phototriode and light emitting diode；Wherein, the negative pole of light emitting diode described in each optocoupler is as the first defeated of optocoupler Enter end to be connected with external circuit, the positive pole of the light emitting diode is connected with resistance, emitter stage and the phase of the phototriode The relay answered is connected, and the colelctor electrode of the phototriode is connected with second end in the flame proof loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720522950.XU CN207074997U (en) | 2017-05-11 | 2017-05-11 | A kind of mine digital signal adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720522950.XU CN207074997U (en) | 2017-05-11 | 2017-05-11 | A kind of mine digital signal adapter |
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| Publication Number | Publication Date |
|---|---|
| CN207074997U true CN207074997U (en) | 2018-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720522950.XU Active CN207074997U (en) | 2017-05-11 | 2017-05-11 | A kind of mine digital signal adapter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847837A (en) * | 2018-05-29 | 2018-11-20 | 广州赛宝计量检测中心服务有限公司 | Signal adapter |
-
2017
- 2017-05-11 CN CN201720522950.XU patent/CN207074997U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847837A (en) * | 2018-05-29 | 2018-11-20 | 广州赛宝计量检测中心服务有限公司 | Signal adapter |
| CN108847837B (en) * | 2018-05-29 | 2024-05-28 | 广州赛宝计量检测中心服务有限公司 | Signal Converter |
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