CN102412738A - Explosion-proof and intrinsically safe power supply control circuit device - Google Patents
Explosion-proof and intrinsically safe power supply control circuit device Download PDFInfo
- Publication number
- CN102412738A CN102412738A CN2010102883415A CN201010288341A CN102412738A CN 102412738 A CN102412738 A CN 102412738A CN 2010102883415 A CN2010102883415 A CN 2010102883415A CN 201010288341 A CN201010288341 A CN 201010288341A CN 102412738 A CN102412738 A CN 102412738A
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- power supply
- intrinsic safety
- electric source
- safety electric
- intrinsically safe
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Abstract
The invention provides an explosion-proof and intrinsically safe power supply control circuit device. The device is characterized by consisting of a power supply input connector socket (1), an intrinsically safe power supply output terminal (2), a transformer (3), an intrinsically safe power supply module (5), a relay module (6) and an electromagnetic valve (7). The device provided by the invention can be widely used in explosive gas (methane) and coal dust environment; and moreover, since a multi-mode power supply integral structure is adopted, the device has a wide application range, the use space is reduced; the independent relay output can more conveniently control the corresponding sensor device and can be connected as an external relay, thereby increasing the expansion function and saving cost of the device; and the device is compact in structure, small in volume and convenient in transportation and installation.
Description
Technical field
The present invention relates to the coal mine equipment technical field, specifically is a kind of flameproof and intrinsically safe power supply's control circuit device that the working power use is provided for all kinds of intrinsic safety type transducers under the coal mine.
Background technology
At present, the quantity of the employed all kinds of essential safe type transducers in China's coal-mine down-hole is quite a lot of, and the electric pressure of required intrinsically safe power supply to its power supply is different, selects cumbersomely, and very inconvenience is installed.In addition, the power control circuit apparatus structure in the power controling box is complicated, and function singleness can't satisfy modern development and needs of mining.
Summary of the invention
The purpose of this invention is to provide a kind of function debugging flameproof and intrinsically safe power supply's control circuit device easily.
Technical scheme of the present invention is:
To achieve these goals; The present invention directly gives the intrinsic safety electric source module behind transformer; The intrinsic safety electric source module is equipped with 3 intrinsic safety electric sources of working simultaneously respectively, and voltage is respectively the intrinsically safe power supply that 12V, 18V, 24V, client can select output according to the needs of oneself; This power supply box also has 4 independent relay outputs simultaneously, by the high electronegative potential of outside it is controlled, electronegative potential (≤0.7V) relay adhesive, high potential (>=3V) relay discharges, and its contact capacity is 127V/0.5A (resistive load).
A kind of flameproof and intrinsically safe power supply control circuit device; It mainly is made up of power supply input wires socket, intrinsic safety electric source lead-out terminal, transformer, intrinsic safety electric source module, relay module and electromagnetically operated valve; Said power supply input wires socket connects the input of transformer; The output of transformer connects the intrinsic safety electric source module, and the power output end of intrinsic safety electric source module connects the intrinsic safety electric source lead-out terminal; Said intrinsic safety electric source module comprises that three voltages are respectively the intrinsic safety electric source of 12V, 18V and 24V; The output of the intrinsic safety electric source of 12V connects relay module, and relay module connects electromagnetically operated valve.
The output of the intrinsic safety electric source of said 12V is connected with four relay module, and each relay module connects an electromagnetically operated valve respectively.
Be provided with fuse between the input of said power supply input wires socket and transformer; The output of said transformer is connected with the 3rd fuse.
The peripheral input of said relay module connects Smoke Sensor, temperature sensor.
The invention has the beneficial effects as follows:
Flameproof and intrinsically safe power supply of the present invention control circuit device can be widely used in having in the environment of damp (methane) and coal dust, and adopts the structure of polytypic power supply one, has wide range of applications; Reduced the space of using, independently relay output can more conveniently be controlled respective sensor equipment, and can be connected to peripheral relay; Increase its expanded function, practiced thrift cost, compact conformation; Volume is little, transports and install very convenient.
The present invention also has rational in infrastructure, designs ingeniously, cheap, uses advantage flexibly, and helps alleviating the power controling box overall weight.
Description of drawings
Fig. 1 is the sketch map of circuit arrangement of the present invention.
Among the figure: 1, power supply input wires socket, 2, the intrinsic safety electric source lead-out terminal, 3, transformer, 40, first fuse, 41, second fuse, the 42, the 3rd fuse, 5, the intrinsic safety electric source module, 6, relay module, 7, electromagnetically operated valve.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described:
A kind of flameproof and intrinsically safe power supply control circuit device; It mainly is made up of power supply input wires socket 1, intrinsic safety electric source lead-out terminal 2, transformer 3, intrinsic safety electric source module 5, relay module 6 and electromagnetically operated valve 7; Said power supply input wires socket 1 connects the input of transformer 3; The output of transformer 3 connects intrinsic safety electric source module 5, and the power output end of intrinsic safety electric source module 5 connects intrinsic safety electric source lead-out terminal 2; Said intrinsic safety electric source module 5 comprises that three voltages are respectively the intrinsic safety electric source of 12V, 18V and 24V; The output of the intrinsic safety electric source of 12V connects relay module 6, and relay module 6 connects electromagnetically operated valve 7.The output of the intrinsic safety electric source of 12V is connected with four relay module 6, and each relay module 6 connects an electromagnetically operated valve 7 respectively.The electromagnetically operated valve 7 outside epoxide-resin glue envelopes that adopt.
Be provided with fuse between the input of power supply input wires socket 1 and transformer 3; The output of said transformer 3 is connected with the 3rd fuse 42.The 127V power input is provided with first fuse 40, and the 660V power input is provided with second fuse 41.First fuse 40, second fuse 41 and the 3rd fuse 42 are respectively the fuse of 0.4A, 0.15A and 1A.
Relay module 6 peripheral inputs connect Smoke Sensor, temperature sensor.
The optional 127V/660VAC of supply voltage of the present invention, power supply inserts through power supply input wires socket 1, is 180VAC through transformer 3 transformations; Being connected to intrinsic safety electric source module 5 then, is that 3 playscripts with stage directions peace power supply provides power supply, and 12V intrinsic safety electric source output is connected to four relay module 6; Relay uses the height control of Electric potentials, electronegative potential (≤0.7V) relay adhesive, high potential (>=3V) relay discharges; Its contact capacity is 127V/0.5A (resistive load); For example insert transducers such as smog, temperature, when its warning and normal condition, import electronegative potential and high potential, the adhesive of control relay and release respectively at relay module 6 peripheral inputs; Four relay module 6 are exported signal to four a peripheral electromagnetically operated valve 6 more respectively, thus control electromagnetically operated valve operating state.
The present invention both can also play control action to the work of transducer through relay module for all kinds of intrinsic safety type transducers provide working power like this.
Embodiment recited above describes preferred implementation of the present invention; Be not that design of the present invention and scope are limited; Do not breaking away under the design concept prerequisite of the present invention; Common engineers and technicians make technical scheme of the present invention in this area various modification and improvement all should fall into protection scope of the present invention, and the technology contents that the present invention asks for protection all is documented in claims.
Claims (4)
1. flameproof and intrinsically safe power supply's control circuit device; It is characterized in that it mainly is made up of power supply input wires socket (1), intrinsic safety electric source lead-out terminal (2), transformer (3), intrinsic safety electric source module (5), relay module (6) and electromagnetically operated valve (7); Said power supply input wires socket (1) connects the input of transformer (3); The output of transformer (3) connects intrinsic safety electric source module (5), and the power output end of intrinsic safety electric source module (5) connects intrinsic safety electric source lead-out terminal (2); Said intrinsic safety electric source module (5) comprises that three voltages are respectively the intrinsic safety electric source of 12V, 18V and 24V; The output of the intrinsic safety electric source of 12V connects relay module (6), and relay module (6) connects electromagnetically operated valve (7).
2. flameproof and intrinsically safe power supply according to claim 1 control circuit device is characterized in that the output of the intrinsic safety electric source of said 12V is connected with four relay module (6), and each relay module (6) connects an electromagnetically operated valve (7) respectively.
3. flameproof and intrinsically safe power supply according to claim 1 control circuit device is characterized in that being provided with fuse between the input of said power supply input wires socket (1) and transformer (3); The output of said transformer (3) is connected with the 3rd fuse (42).
4. flameproof and intrinsically safe power supply according to claim 3 control circuit device is characterized in that the peripheral input of said relay module (6) connects Smoke Sensor, temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102883415A CN102412738A (en) | 2010-09-21 | 2010-09-21 | Explosion-proof and intrinsically safe power supply control circuit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102883415A CN102412738A (en) | 2010-09-21 | 2010-09-21 | Explosion-proof and intrinsically safe power supply control circuit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102412738A true CN102412738A (en) | 2012-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102883415A Pending CN102412738A (en) | 2010-09-21 | 2010-09-21 | Explosion-proof and intrinsically safe power supply control circuit device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102412738A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3973170A (en) * | 1974-09-09 | 1976-08-03 | Honeywell Inc. | Intrinsic safety barrier |
| CN201078242Y (en) * | 2007-07-26 | 2008-06-25 | 电光防爆科技（上海）有限公司 | Flame proof and substance safe type transferring substation for mining |
| CN201414081Y (en) * | 2009-06-05 | 2010-02-24 | 徐州珂尔玛科技有限公司 | Mine flameproof and intrinsically safe power supply |
| CN201797446U (en) * | 2010-09-21 | 2011-04-13 | 江苏新力科技实业有限公司 | Flameproof and intrinsically safe power supply control circuit device |
| CN102403917A (en) * | 2010-09-19 | 2012-04-04 | 江苏新力科技实业有限公司 | Explosion-proof and intrinsically-safe power supply control box |
-
2010
- 2010-09-21 CN CN2010102883415A patent/CN102412738A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3973170A (en) * | 1974-09-09 | 1976-08-03 | Honeywell Inc. | Intrinsic safety barrier |
| CN201078242Y (en) * | 2007-07-26 | 2008-06-25 | 电光防爆科技（上海）有限公司 | Flame proof and substance safe type transferring substation for mining |
| CN201414081Y (en) * | 2009-06-05 | 2010-02-24 | 徐州珂尔玛科技有限公司 | Mine flameproof and intrinsically safe power supply |
| CN102403917A (en) * | 2010-09-19 | 2012-04-04 | 江苏新力科技实业有限公司 | Explosion-proof and intrinsically-safe power supply control box |
| CN201797446U (en) * | 2010-09-21 | 2011-04-13 | 江苏新力科技实业有限公司 | Flameproof and intrinsically safe power supply control circuit device |
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Application publication date: 20120411 |