CN204041073U - A kind of mining guide's prior-warning device - Google Patents
A kind of mining guide's prior-warning device Download PDFInfo
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- CN204041073U CN204041073U CN201420398354.1U CN201420398354U CN204041073U CN 204041073 U CN204041073 U CN 204041073U CN 201420398354 U CN201420398354 U CN 201420398354U CN 204041073 U CN204041073 U CN 204041073U
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Abstract
The utility model discloses a kind of mining guide's prior-warning device, comprises: ten ports, and this device also comprises: working power, the time relay, the first relay and the second relay; The both positive and negative polarity of described working power connects the first port, the second port respectively, is charged to working power by external charging power supply; Described working power positive pole is connected with the 3rd port; Described time relay coil is in parallel with the first described relay coil, and this parallel connection part connects the 4th port and working power negative pole respectively; The two ends, contact of the described time relay connect five-port, the 6th port respectively; One group of constant open contact of the first described relay and one group of constant close contact of the second relay join, and this part in series connects working power positive pole and the 8th port respectively; The second described relay coil two ends connect the 9th port, the tenth port respectively.Its advantage is: before coal-winning machine starts, carry out guide's early warning to avoid unnecessary injury.
Description
Technical field
The utility model includes field of coal mine safety, particularly the mining guide's prior-warning device of one.
Background technology
The environment of the coal-winning machine that underground coal mine uses and development machine is general more severe, dust is larger, the visual field is unclear, noise ratio is larger, the startup of extractive equipment in the past directly obtains electric by " master opens ", so when extractive equipment starts, the safety of maintenance personal's life will be caused to a very large potential safety hazard, because of rugged environment, staff does not probably notice that extractive equipment starts and is subject to huge personal injury.Therefore, needing to provide a kind of guide's prior-warning device for mining excavation equipment, preventing staff from causing unnecessary personal injury because not noticing the startup of extractive equipment.
Utility model content
The purpose of this utility model is to provide a kind of mining guide's prior-warning device, and digger must carry out guide's early warning before starting, and after early warning certain hour, pilot circuit just can power on, and extractive equipment just can start.So just avoid the unnecessary injury caused because not having early warning greatly.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
A kind of mining guide's prior-warning device, comprise: ten ports, the first port, the second port are connected with charge power supply; 8th port connects alarm; 3rd port, the 4th port series connection " master opens ", " suddenly stopping " button; Five-port, the 6th port series connection " acceleration ", " deceleration " button; 7th port meets master and opens self-insurance; 9th port, the tenth port series connection guide self holding contact;
It is characterized in that, this device also comprises: working power, the time relay, the first relay and the second relay;
The both positive and negative polarity of described working power connects the first port, the second port respectively, is charged to working power by external charging power supply;
Described working power positive pole is connected with the 3rd port; Described time relay coil is in parallel with the first described relay coil, and this parallel connection part connects the 4th port and working power negative pole respectively;
The two ends, contact of the described time relay connect five-port, the 6th port respectively;
One group of constant open contact of the first described relay is connected with one group of constant close contact of the second relay, and this part in series connects working power positive pole and the 8th port respectively;
The second described relay coil two ends connect the 9th port, the tenth port respectively.
Above-mentioned one is mining guide's prior-warning device, wherein: two ends of another group constant open contact of the first described relay connect the 3rd port, the 7th port respectively.
Above-mentioned one is mining guide's prior-warning device, wherein: another group constant open contact and described time relay contact shunt of the second described relay.
Above-mentioned one is mining guide's prior-warning device, wherein: the power protection plate of control charging operations that described working power comprises chargeable lithium cell and is connected with described chargeable lithium cell.
The utility model compared with prior art has the following advantages: before coal-winning machine starts, first carry out guide's early warning, early warning terminates extractive equipment and can start, and avoids the unnecessary injury caused because not having early warning.
Accompanying drawing explanation
Fig. 1 is the control principle drawing of a kind of mining guide's prior-warning device of the utility model;
Fig. 2 is the guide's early warning loop 1 in embodiment;
Fig. 3 is the guide's early warning loop 2 in embodiment;
Fig. 4 is the digger pilot circuit in embodiment;
Fig. 5 is the digger guide self-keeping circuit in embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the utility model is further elaborated.
As shown in Fig. 2,3,4,5, a kind of mining guide's prior-warning device, comprises 10 ports, and port one, 2 is connected with 12V intrinsic safety dc source; Port 8 connects loudspeaker 81; Port 3 ~ 7,9 ~ 10 are connected with digger, and wherein, port 3,4 is connected " master opens ", " suddenly stopping " button 31; Port 5,6 series connection " acceleration ", " deceleration " button 51; Port 7 meets master and opens self-insurance; Port 9,10 connects guide's self holding contact 91; After pressing digger " master opens " button, port 5,6 conducting, digger pilot circuit conducting digger starts, guide's self holding contact 91 adhesive simultaneously, port 9,10 conducting;
As shown in Figure 1, comprise in this device: working power, the time relay, the first relay and the second relay; Described working power both positive and negative polarity is connectivity port 1,2 respectively, the power protection plate of control charging operations that described working power comprises three joint 4V chargeable lithium cells and is connected with described chargeable lithium cell, and described power protection plate is managing chip S-8254A; Described working power positive pole is connected with port 3; Described time relay coil KT is in parallel with the first described relay coil K1, and this parallel connection part is connectivity port 4 and working power negative pole respectively; Described KT-1 two ends, time relay contact are connectivity port 5,6 respectively; One group of constant open contact K1-2 of the first described relay connects with one group of constant close contact K2-2 of the second relay, and this part in series connects working power positive pole and port 8 respectively; Connectivity port 9,10 respectively, the second described relay coil K2 two ends.
As shown in Figure 2,3, after " master opens " button is pressed, port 3,4 conducting, time relay coil KT obtains electric, and its contact KT-1 starts timing, and the first relay coil K1 obtains electric, and its constant open contact K1-2 adhesive, makes loudspeaker 81 conducting and carry out guide's early warning; As shown in Figure 4, after a period of time, the KT-1 adhesive of time relay contact, port 5,6 conducting, the conducting of digger pilot circuit, digger starts, and the 3rd relay coil K3 obtains electric; Meanwhile, as shown in Figure 5, the 3rd relay normally open contact K3-1 adhesive, make port 9,10 conducting, the second relay coil K2 obtains electric, and its constant close contact K2-2 disconnects, and loudspeaker 81 stop early warning; After pressing " suddenly stopping " button, pilot circuit disconnects, and digger stops.
As shown in Figure 2, the connectivity port 3,7 respectively, two ends of another group constant open contact K1-1 of the first described relay; After pressing digger " master opens " button, port 3,4 conducting, the first relay coil K1 obtains electric, and its constant open contact K1-1 adhesive completes master and opens self-insurance.
As shown in Figure 4, another group constant open contact K2-1 of the second described relay is in parallel with described time relay contact KT-1; When the second relay coil K2 obtains electric, its constant open contact K2-1 adhesive, guarantee port 5,6 conducting further, digger pilot circuit obtains electric.
As shown in Fig. 1,4, when mining guide's prior-warning device occurs abnormal, pin " acceleration ", " deceleration " button simultaneously, the emergency starting of digger pilot circuit can be carried out.
Although content of the present utility model has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple amendment of the present utility model and substitute will be all apparent.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (4)
1. mining guide's prior-warning device, comprises: ten ports, and the first port, the second port are connected with charge power supply; 8th port connects alarm (81); 3rd port, the 4th port series connection " master opens ", " suddenly stopping " button (31); Five-port, the 6th port series connection " acceleration ", " deceleration " button (51); 7th port meets master and opens self-insurance; 9th port, the tenth port series connection guide's self holding contact (91);
It is characterized in that, this device also comprises: working power, the time relay, the first relay and the second relay;
The both positive and negative polarity of described working power connects the first port, the second port respectively, is charged to working power by external charging power supply;
Described working power positive pole is connected with the 3rd port; Described time relay coil (KT) is in parallel with described the first relay coil (K1), and this parallel connection part connects the 4th port and working power negative pole respectively;
Contact (KT-1) two ends of the described time relay connect five-port, the 6th port respectively;
One group of constant open contact (K1-2) of the first described relay is connected with one group of constant close contact (K2-2) of the second relay, and this part in series connects working power positive pole and the 8th port respectively;
Described the second relay coil (K2) two ends connect the 9th port, the tenth port respectively.
2. a kind of mining guide's prior-warning device as claimed in claim 1, is characterized in that: the two ends of another group constant open contact (K1-1) of the first described relay connect the 3rd port, the 7th port respectively.
3. a kind of mining guide's prior-warning device as claimed in claim 1, is characterized in that: another group constant open contact (K2-1) of the second described relay is in parallel with described time relay contact (KT-1).
4. a kind of mining guide's prior-warning device as claimed in claim 1, is characterized in that: the power protection plate of control charging operations that described working power comprises chargeable lithium cell and is connected with described chargeable lithium cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420398354.1U CN204041073U (en) | 2014-07-18 | 2014-07-18 | A kind of mining guide's prior-warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420398354.1U CN204041073U (en) | 2014-07-18 | 2014-07-18 | A kind of mining guide's prior-warning device |
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| Publication Number | Publication Date |
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| CN204041073U true CN204041073U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420398354.1U Active CN204041073U (en) | 2014-07-18 | 2014-07-18 | A kind of mining guide's prior-warning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110155653A (en) * | 2019-06-14 | 2019-08-23 | 龙口矿业集团有限公司 | A kind of elevating conveyor start-up study prior-warning device |
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2014
- 2014-07-18 CN CN201420398354.1U patent/CN204041073U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110155653A (en) * | 2019-06-14 | 2019-08-23 | 龙口矿业集团有限公司 | A kind of elevating conveyor start-up study prior-warning device |
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