CN211063408U - Power supply switching device for coal mine auxiliary well P L C control cabinet - Google Patents
Power supply switching device for coal mine auxiliary well P L C control cabinet Download PDFInfo
- Publication number
- CN211063408U CN211063408U CN201922188090.2U CN201922188090U CN211063408U CN 211063408 U CN211063408 U CN 211063408U CN 201922188090 U CN201922188090 U CN 201922188090U CN 211063408 U CN211063408 U CN 211063408U
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- Prior art keywords
- power supply
- contactor coil
- control cabinet
- switching device
- power
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Abstract
The utility model relates to a colliery auxiliary shaft P L C switch board power supply switching device belongs to colliery auxiliary shaft P L C switch board power supply switching device technical field, and the technical problem that solve is that provide a colliery auxiliary shaft P L C switch board power supply switching device hardware structure's improvement, the technical scheme that solve this technical problem and adopt is that the power input end at shaft bottom P L C switch board is provided with two way power controllers, the input of two way power controllers all links to each other with transformer substation's power input end, be provided with contactor coil KM1 in the first power controller, contactor coil KM 1's normally open contact is KM1.1, contactor KM 1's normally closed contact is KM1.2, be provided with contactor coil KM2 in the second power controller, contactor coil KM 2's normally open contact is KM2.2, contactor KM 2's normally closed contact is KM2.1, the utility model discloses be applied to colliery auxiliary shaft P L C switch board.
Description
Technical Field
The utility model relates to a coal mine auxiliary shaft P L C switch board power switching device belongs to coal mine auxiliary shaft P L C switch board power switching device technical field.
Background
A P L C control cabinet at the bottom of a well is a controller of a vehicle handling system under the well, the stable operation of the control cabinet can ensure the transportation efficiency of vehicles under the well, the existing P L C control cabinet at the bottom of the well adopts a power supply system which is used and prepared one by one and is respectively connected with a low-switch control switch at one section and a low-switch control switch at two sections of a central substation at the bottom of the well, but in the actual operation, the control cabinet has the situation of power failure due to fault or power failure due to maintenance, and then the control cabinet needs to be manually switched to another power supply loop in a manual mode to ensure the normal working operation of P L C, but in the switching process, on one hand, manual operation is carried out depending on manual operation, so that potential safety hazards exist, on the other hand, a manual switching mode is adopted, the problem of overlong response time exists, the normal working of the vehicle handling system can be influenced, the phenomenon of program loss can be mainly reflected in that the phenomenon of program loss can occur after the P L C control cabinet at the.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and aims to solve the technical problem of providing an improvement on the hardware structure of a power supply switching device of a coal mine auxiliary well P L C control cabinet.
In order to solve the technical problem, the utility model adopts the technical scheme that a power supply switching device of a coal mine auxiliary well P L C control cabinet is provided with two paths of power supply controllers at the power supply input end of a well bottom P L C control cabinet, and the input ends of the two paths of power supply controllers are connected with the power supply input end of a transformer substation;
a contactor coil KM1 is arranged in the first power supply controller, a normally open contact of the contactor coil KM1 is KM1.1, and a normally closed contact of the contactor coil KM1 is KM 1.2;
a contactor coil KM2 is arranged in the second power supply controller, a normally open contact of the contactor coil KM2 is KM2.2, and a normally closed contact of the contactor coil KM2 is KM 2.1;
the first output end of the substation power supply is sequentially connected in series with a contactor coil KM1, a normally closed contact KM2.1 and a normally open contact KM1.1 and then connected with the power supply input end of a P L C control cabinet at the bottom of a well;
and a second output end of the substation power supply is sequentially connected in series with a normally closed contact KM1.2, a contactor coil KM2 and a normally open contact KM2.2 and then connected with a power supply input end of a P L C control cabinet at the bottom of a well.
The power supply controller is arranged in the electric cabinet, and the power supply controller is fixedly connected with the electric cabinet through bolts.
The model numbers of the contactor coil KM1 and the contactor coil KM2 are L C1E 0910.
The utility model discloses beneficial effect for prior art possesses does, the utility model provides a power switching device is exclusively used in colliery P L C power supply system in the pit, can save the operation that the workman frequently switched power, realize switching by oneself of two way powers of power P L C cabinet, reduce work load, improve power switching efficiency, guarantee the high-efficient steady operation of operating the car system in the pit, avoid appearing the P L C switch board and lose because of the application that the long-time outage leads to, need reinstallate the problem of debugging, a whole set of switching device adopts the commonly used components and parts to connect, moreover, the switch of avoiding setting up the controller in addition on to the power supply line carries out single control, production and installation cost are reduced, use easy operation is convenient.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a circuit diagram of the present invention;
in the figure, 1 is a shaft bottom P L C control cabinet, and 2 is a substation power supply.
Detailed Description
As shown in fig. 1, the utility model relates to a coal mine auxiliary shaft P L C switch board power switching device, the power input end of shaft bottom P L C switch board (1) is provided with two paths of power controllers, the input ends of two paths of power controllers all link to each other with the input end of transformer substation's power (2);
a contactor coil KM1 is arranged in the first power supply controller, a normally open contact of the contactor coil KM1 is KM1.1, and a normally closed contact of the contactor coil KM1 is KM 1.2;
a contactor coil KM2 is arranged in the second power supply controller, a normally open contact of the contactor coil KM2 is KM2.2, and a normally closed contact of the contactor coil KM2 is KM 2.1;
the first output end of the transformer substation power supply (2) is sequentially connected with a contactor coil KM1, a normally closed contact KM2.1 and a normally open contact KM1.1 in series and then is connected with the power supply input end of a P L C control cabinet (1) at the bottom of a well;
and a second output end of the substation power supply (2) is sequentially connected in series with a normally closed contact KM1.2, a contactor coil KM2 and a normally open contact KM2.2 and then is connected with a power supply input end of a P L C control cabinet (1) at the bottom of a well.
The power supply controller is arranged in the electric cabinet, and the power supply controller is fixedly connected with the electric cabinet through bolts.
The model numbers of the contactor coil KM1 and the contactor coil KM2 are L C1E 0910.
The utility model discloses a keep the incessant power supply of power of P L C switch board, when the power supply circuit outage of switch board power supply commonly used, automatic switch-over can be realized to reserve power supply circuit, keeps the work of not cutting off the power supply of switch board, for realizing above-mentioned switching effect, the utility model discloses the power supply circuit to current P L C switch board has been reformed transform.
The method comprises the steps that two contactors are connected to an existing one-use one-standby power supply loop, when a P L C control cabinet works normally, a main power supply switch and a standby power supply switch are in a closing state, due to the interlocking principle of the contactors, when a power supply on one loop supplies power to the P L C, the other power supply loop is in a power-off state and serves as a standby power supply, when the power supply loop is used for power failure, the contactors in the standby loop are attracted, the standby power supply is started, the fact that the power supply can be continuously supplied to the P L C cabinet is guaranteed, at the moment, the power failure on the main loop needs to be eliminated as soon as possible, the main loop recovers power supply, when the main loop recovers power supply, the standby loop automatically switches to recover power supply to the main loop.
Specifically, the utility model discloses when normal power supply, the contactor coil KM1 that sets up on the major loop gets electric, and its normally open contact KM1.1 that corresponds the control is closed, and normally closed contact KM1.2 disconnection for the major loop switch on the power supply, and the stand-by circuit is in the off-state, and after the major loop broke down and opens circuit, contactor coil KM1 loses the electricity, makes normally closed contact KM1.2 on the stand-by circuit closed, switches on contactor coil KM2, makes normally open contact KM2.2 closed simultaneously, consequently switches on the power on the stand-by circuit, realizes that the transformer substation's power is to the incessant power supply of P L C switch board.
The utility model provides a power supply switching device has the stable performance, switch advantages such as swift, can not cause the data loss of the controller in the P L C switch board because of the power switch, avoid debugging the procedure again, be applicable to the control system who has two way alternating current power supply supplies power, switching device allows to have certain difference on two way power phase positions in the installation use, when the main power source has a power failure, uninterrupted switching device can cut into the stand-by power supply in load power consumption return circuit fast, provide incessant power for the load, in order to satisfy the needs of equipment normal operating.
About the utility model discloses what the concrete structure need explain, the utility model discloses a each part module connection relation each other is definite, realizable, except that the special explanation in the embodiment, its specific connection relation can bring corresponding technological effect to based on do not rely on under the prerequisite of corresponding software program execution, solve the utility model provides a technical problem, the utility model provides a model, the connection mode of parts, module, specific components and parts that appear all belong to the prior art such as the published patent that technical staff can acquire before the application day, published journal paper, or common general knowledge, need not to describe in detail for the technical scheme that the present case provided is clear, complete, realizable, and can be according to this technical means or obtain corresponding entity product.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (3)
1. A power supply switching device of a coal mine auxiliary well P L C control cabinet is characterized in that two paths of power supply controllers are arranged at the power supply input end of a well bottom P L C control cabinet (1), and the input ends of the two paths of power supply controllers are connected with the input end of a transformer substation power supply (2);
a contactor coil KM1 is arranged in the first power supply controller, a normally open contact of the contactor coil KM1 is KM1.1, and a normally closed contact of the contactor coil KM1 is KM 1.2;
a contactor coil KM2 is arranged in the second power supply controller, a normally open contact of the contactor coil KM2 is KM2.2, and a normally closed contact of the contactor coil KM2 is KM 2.1;
the first output end of the transformer substation power supply (2) is sequentially connected with a contactor coil KM1, a normally closed contact KM2.1 and a normally open contact KM1.1 in series and then is connected with the power supply input end of a P L C control cabinet (1) at the bottom of a well;
and a second output end of the substation power supply (2) is sequentially connected in series with a normally closed contact KM1.2, a contactor coil KM2 and a normally open contact KM2.2 and then is connected with a power supply input end of a P L C control cabinet (1) at the bottom of a well.
2. The coal mine auxiliary well P L C control cabinet power supply switching device according to claim 1, wherein the power supply controller is arranged in an electric cabinet, and the power supply controller and the electric cabinet are fixedly connected through bolts.
3. The power switching device of the coal mine auxiliary well P L C control cabinet according to claim 2, wherein the type of the contactor coil KM1 and the contactor coil KM2 is L C1E 0910.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922188090.2U CN211063408U (en) | 2019-12-09 | 2019-12-09 | Power supply switching device for coal mine auxiliary well P L C control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922188090.2U CN211063408U (en) | 2019-12-09 | 2019-12-09 | Power supply switching device for coal mine auxiliary well P L C control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211063408U true CN211063408U (en) | 2020-07-21 |
Family
ID=71593923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922188090.2U Expired - Fee Related CN211063408U (en) | 2019-12-09 | 2019-12-09 | Power supply switching device for coal mine auxiliary well P L C control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211063408U (en) |
-
2019
- 2019-12-09 CN CN201922188090.2U patent/CN211063408U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200721 Termination date: 20201209 |