CN110535047B - Heavy-load inquiry electric cabinet and control method thereof - Google Patents
Heavy-load inquiry electric cabinet and control method thereof Download PDFInfo
- Publication number
- CN110535047B CN110535047B CN201910779748.9A CN201910779748A CN110535047B CN 110535047 B CN110535047 B CN 110535047B CN 201910779748 A CN201910779748 A CN 201910779748A CN 110535047 B CN110535047 B CN 110535047B
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- electric cabinet
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/08—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems requiring starting of a prime-mover
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to a heavy-load inquiry electric cabinet and a control method thereof, wherein an allowable start inquiry input connector, a start finishing input connector, an allowable equipment operation input connector, an external power supply input connector, an allowable equipment operation output connector, a start finishing output connector and an allowable start inquiry output connector are sequentially arranged below the electric cabinet body from left to right; by arranging the electric cabinet body, a user needs to realize heavy-load inquiry through the electric cabinet body before starting high-power equipment, and the signal for allowing starting can be sent after the cab console judges permission, so that the reliable operation of the power station is ensured; when a user operates by mistake, the high-power equipment cannot be started because the high-power equipment does not receive the permission starting signal of the cab console, so that accidents such as power failure and short circuit can be effectively avoided, and the use safety of the power station is ensured.
Description
Technical Field
The invention relates to a reload inquiry device, in particular to a reload inquiry electric cabinet and a control method thereof.
Background
When a large load is put into use in a ship power grid according to the requirements of steel sea ship income and construction Specification (2009) of the people's republic of China, a power station should firstly judge whether the current running power meets the requirements, and if the current running power cannot meet the power consumption of the large load to be put into use, a standby unit should be started immediately. If the forced opening or the misoperation leads to the direct opening of a large load, accidents such as power failure, short circuit and the like are easy to occur, and even the paralysis of the whole ship power grid is caused in severe cases.
Disclosure of Invention
Aiming at the defects and shortcomings existing in the prior art, the invention provides a heavy-load query electric cabinet and a control method thereof.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides an electric cabinet is inquired to heavy load, includes electric cabinet body and external power source, its characterized in that: the device comprises an electric cabinet body, wherein an allowable starting query input connector, a starting completion input connector, an allowable equipment operation input connector, an external power supply input connector, an allowable equipment operation output connector, a starting completion output connector and an allowable starting query output connector are sequentially arranged below the electric cabinet body from left to right;
the permission initiation query input connector is connected with the cab console to receive a permission initiation signal AN2 sent from the cab console;
the starting-up finishing input connector is connected with the high-power equipment to receive an equipment starting-up finishing signal 1KA sent from the high-power equipment;
the equipment operation permission input connector is connected with the cab console to receive equipment operation permission signals 1KM sent from the cab console;
the external power supply input connector is connected with an external power supply to receive external power provided by the external power supply;
the equipment operation allowing output connector is connected with the self-locking switch to send an equipment operation allowing signal 1KM to the self-locking switch so as to control the self-locking switch to be turned on, and the self-locking switch is connected with the high-power equipment;
the starting-up finishing output connector is connected with the cab console to send a device starting-up finishing signal 1KA to the cab console;
the enable inquiry output connector is connected with the cab console to send out a reload inquiry signal AN1 to the cab console.
Further, fixing devices are respectively arranged at four corners of the electric cabinet body, and each fixing device is provided with a mounting round hole.
Further, the protection level of the electric cabinet body is IP56, one side position of the electric cabinet body is provided with a mounting bracket in a protruding mode, and each mounting bracket is provided with a locking buckle.
Further, the allowable starting query input connector, the starting completion input connector and the allowable equipment operation input connector are arranged on the left side of the external power supply input connector, and the allowable equipment operation output connector, the starting completion output connector and the allowable starting query output connector are arranged on the right side of the external power supply input connector.
Further, the self-locking switch is an alternating current contactor.
Further, the invention also provides a control method of the heavy-load inquiry electric cabinet, which is characterized in that: the method comprises the following steps:
1) Before the high-power equipment is started, a user starts the heavy-load query electric cabinet, AN external power supply provides external power for the electric cabinet body through AN external power supply input connector, and the heavy-load query electric cabinet sends a heavy-load query signal AN1 to a cab console through AN allowable start query output connector;
2) The control console of the cab analyzes whether to start the standby unit according to the electricity consumption condition of the power station at the moment, and sends AN enabling signal AN2 to the electric cabinet body through AN enabling inquiry input connector and simultaneously sends AN enabling device operation signal 1KM to the electric cabinet body (1) through AN enabling device operation input connector under the condition that the power station meets the device starting requirement;
3) The electric cabinet body sends an equipment operation allowing signal 1KM to the self-locking switch through the equipment operation allowing output connector so as to control the self-locking switch to be turned on, and then normal opening of high-power equipment is realized;
4) After the high-power equipment is started and normally operates, the high-power equipment sends out an equipment starting completion signal 1KA, and sends the signal to the electric cabinet body through the starting completion input connector;
5) The electric cabinet body sends a device start-up completion signal 1KA to a cab console through a start-up completion output connector, and the cab console cancels AN allowable start signal AN2;
6) If the user operates by mistake, when the high-power equipment is forcibly started without starting the heavy-load inquiry electric cabinet, the high-power equipment does not receive the permission starting signal AN2 of the cab console, and the high-power equipment cannot be started.
The beneficial effects of the invention are as follows:
(1) Through setting up this electric cabinet body to make the user all need realize the heavy load inquiry through this electric cabinet body before opening high-power equipment, just can send the signal of permission start-up after judging the permission through the driver's cabin control cabinet, thereby ensure the reliable operation of power station.
(2) When a user operates by mistake, the high-power equipment cannot be started because the high-power equipment does not receive the permission starting signal of the cab console, so that accidents such as power failure and short circuit can be effectively avoided, and the use safety of the power station is ensured.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic diagram of a heavy-duty interrogation electric cabinet as claimed in the present invention.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
As shown in FIG. 1, a heavy-load query electric cabinet comprises an electric cabinet body 1 and an external power supply 4, wherein a query input connector 1-A, a query input connector 1-B, a device operation input connector 1-C, an external power supply input connector 1-D, a device operation output connector 1-E, a query output connector 1-F and a query output connector 1-G are sequentially arranged below the electric cabinet body 1 from left to right;
the enable inquiry input terminal 1-a is connected to the cab console 3 to receive AN enable signal AN2 sent from the cab console 3;
the starting-up completion input connector 1-B is connected with the high-power equipment 2 to receive an equipment starting-up completion signal 1KA sent from the high-power equipment 2;
the equipment operation permission input connector 1-C is connected with the cab console 3 to receive an equipment operation permission signal 1KM sent from the cab console 3;
the external power supply input connector 1-D is connected with the external power supply 4 to receive external power provided by the external power supply 4;
the equipment operation allowing output connector 1-E is connected with the self-locking switch 5 to send an equipment operation allowing signal 1KM to the self-locking switch 5 so as to control the self-locking switch 5 to be turned on, and the self-locking switch 5 is connected with the high-power equipment 2;
the starting-up finishing output connector 1-F is connected with the cab console 3 to send a device starting-up finishing signal 1KA to the cab console 3;
the enable inquiry output tab 1-G is connected to the cab console 3 to issue a reload inquiry signal AN1 to the cab console 3.
By arranging the electric cabinet body, a user needs to realize heavy-load inquiry through the electric cabinet body before starting high-power equipment, and the signal for allowing starting can be sent after the cab console judges permission, so that the reliable operation of the power station is ensured; when a user operates by mistake, the high-power equipment cannot be started because the high-power equipment does not receive the permission starting signal of the cab console, so that accidents such as power failure and short circuit can be effectively avoided, and the use safety of the power station is ensured
Specifically, fixing devices 1-1 are respectively arranged at four corners of the electric cabinet body 1, and mounting round holes 1-2 are formed in each fixing device 1-1, so that the electric cabinet can be conveniently fixed and mounted in a heavy-load inquiry mode.
Specifically, the protection level of the electric cabinet body 1 is IP56, one side position of the electric cabinet body 1 is convexly provided with mounting brackets 1-3, and each mounting bracket 1-3 is provided with a locking hasp 1-4, so that the electric cabinet body 1 is installed and locked when in use.
Specifically, the start-up query input connector 1-A, the start-up completion input connector 1-B and the equipment operation input connector 1-C are allowed to be arranged on the left side of the external power supply input connector 1-D, the equipment operation output connector 1-E and the start-up completion output connector 1-F are allowed to be arranged on the right side of the external power supply input connector 1-D, and through the arrangement, the separation of the input connector and the output connector of the electric cabinet body 1 is realized, so that the distinction before and after plugging is facilitated.
Specifically, the self-locking switch 5 is an ac contactor.
Specifically, the invention also provides a control method of the heavy-load inquiry electric cabinet, which comprises the following steps:
1) Before the high-power equipment 2 is started, a user starts the heavy-load query electric cabinet, AN external power supply 4 provides external power for the electric cabinet body 1 through AN external power supply input connector 1-D, and the heavy-load query electric cabinet sends a heavy-load query signal AN1 to the cab console 3 through a permission start query output connector 1-G;
2) The cab console 3 analyzes whether to start a standby unit according to the electricity consumption condition of the power station at the moment, and under the condition that the power station meets the equipment starting requirement, the cab console 3 sends AN enabling signal AN2 to the electric cabinet body 1 through AN enabling inquiry input connector 1-A, and simultaneously sends AN enabling signal 1KM to the electric cabinet body 1 through AN enabling equipment operation input connector 1-C;
3) The electric cabinet body 1 sends an equipment operation allowing signal 1KM to the self-locking switch 5 through the equipment operation allowing output connector 1-E so as to control the self-locking switch 5 to be turned on, and then the normal opening of the high-power equipment 2 is realized;
4) After the high-power equipment 2 is started and normally operates, the high-power equipment 2 sends out an equipment starting completion signal 1KA, and sends the signal to the electric cabinet body 1 through a starting completion input connector 1-B;
5) The electric cabinet body 1 sends a device starting completion signal 1KA to the cab console 3 through the starting completion output connector 1-F, and the cab console 3 cancels the starting permission signal AN2;
6) If the user operates by mistake, when the high-power equipment 2 is forcibly started without starting the heavy-load inquiry electric cabinet, the high-power equipment 2 does not receive the start permission signal AN2 of the cab console 3, and the high-power equipment 2 cannot be started.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (6)
1. The utility model provides an electric cabinet is inquired to heavy load, includes electric cabinet body (1) and external power source (4), its characterized in that: the electric cabinet comprises an electric cabinet body (1), wherein an allowable starting query input connector (1-A), a starting completion input connector (1-B), an allowable equipment operation input connector (1-C), an external power supply input connector (1-D), an allowable equipment operation output connector (1-E), a starting completion output connector (1-F) and an allowable starting query output connector (1-G) are sequentially arranged below the electric cabinet body (1) from left to right;
the permission initiation query input connector (1-A) is connected with the cab console (3) to receive a permission initiation signal AN2 sent from the cab console (3);
the starting-up finishing input connector (1-B) is connected with the high-power equipment (2) to receive an equipment starting-up finishing signal 1KA sent from the high-power equipment (2);
the equipment operation permission input connector (1-C) is connected with the cab console (3) to receive an equipment operation permission signal 1KM sent from the cab console (3);
the external power supply input connector (1-D) is connected with the external power supply (4) to receive external power provided by the external power supply (4);
the equipment operation allowing output connector (1-E) is connected with the self-locking switch (5) to send an equipment operation allowing signal 1KM to the self-locking switch (5) so as to control the self-locking switch (5) to be turned on, and the self-locking switch (5) is connected with the high-power equipment (2);
the starting-up finishing output connector (1-F) is connected with the cab console (3) to send a device starting-up finishing signal 1KA to the cab console (3);
the enable inquiry output connector (1-G) is connected with the cab console (3) to send out a reload inquiry signal AN1 to the cab console (3).
2. The reload interrogation electric cabinet of claim 1, wherein: fixing devices (1-1) are respectively arranged at four corners of the electric cabinet body (1), and each fixing device (1-1) is provided with a mounting round hole (1-2).
3. The reload interrogation electric cabinet of claim 1, wherein: the protection level of the electric cabinet body (1) is IP56, one side of the electric cabinet body (1) is provided with a mounting bracket (1-3) in a protruding mode, and each mounting bracket (1-3) is provided with a locking buckle (1-4).
4. The reload interrogation electric cabinet of claim 1, wherein: the device comprises an allowable starting query input connector (1-A), a starting completion input connector (1-B) and an allowable device operation input connector (1-C) which are arranged on the left side of an external power supply input connector (1-D), and an allowable device operation output connector (1-E), a starting completion output connector (1-F) and an allowable starting query output connector (1-G) which are arranged on the right side of the external power supply input connector (1-D).
5. The reload interrogation electric cabinet of claim 1, wherein: the self-locking switch (5) is an alternating current contactor.
6. The control method of a heavy-duty query electric cabinet as claimed in any one of claims 1 to 5, wherein: the method comprises the following steps:
1) before the high-power equipment (2) is started, a user starts the heavy-load query electric cabinet, AN external power supply (4) provides external power for the electric cabinet body (1) through AN external power supply input connector (1-D), and the heavy-load query electric cabinet sends a heavy-load query signal AN1 to a cab console (3) through a permission start query output connector (1-G);
2) The method comprises the steps that a cab console (3) analyzes whether a standby unit is started according to the electricity consumption condition of a power station at the moment, and under the condition that the power station meets equipment starting requirements, the cab console (3) sends AN enabling signal AN2 to AN electric cabinet body (1) through AN enabling inquiry input connector (1-A) and simultaneously sends AN enabling equipment operation signal 1KM to the electric cabinet body (1) through AN enabling equipment operation input connector (1-C);
3) The electric cabinet body (1) sends an equipment operation allowing signal 1KM to the self-locking switch (5) through the equipment operation allowing output connector (1-E) so as to control the self-locking switch (5) to be connected, and then the normal opening of the high-power equipment (2) is realized;
4) After the starting of the high-power equipment (2) is finished and the high-power equipment operates normally, the high-power equipment (2) sends an equipment starting finishing signal 1KA, and the signal is sent to the electric cabinet body (1) through a starting finishing input connector (1-B);
5) The electric cabinet body (1) sends a device start-up completion signal 1KA to the cab console (3) through the start-up completion output connector (1-F), and the cab console (3) cancels the permission start signal AN2;
6) If the user operates by mistake, when the high-power equipment (2) is forcibly started without starting the heavy-load inquiry electric cabinet, the high-power equipment (2) does not receive the start permission signal AN2 of the cab console (3), and the high-power equipment (2) cannot be started.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910779748.9A CN110535047B (en) | 2019-08-22 | 2019-08-22 | Heavy-load inquiry electric cabinet and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910779748.9A CN110535047B (en) | 2019-08-22 | 2019-08-22 | Heavy-load inquiry electric cabinet and control method thereof |
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| Publication Number | Publication Date |
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| CN110535047A CN110535047A (en) | 2019-12-03 |
| CN110535047B true CN110535047B (en) | 2023-07-07 |
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| Publication number | Publication date |
|---|---|
| CN110535047A (en) | 2019-12-03 |
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