CN217902278U - Control system with overhauling and lighting functions for negative-pressure-free control cabinet - Google Patents
Control system with overhauling and lighting functions for negative-pressure-free control cabinet Download PDFInfo
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- CN217902278U CN217902278U CN202221344244.8U CN202221344244U CN217902278U CN 217902278 U CN217902278 U CN 217902278U CN 202221344244 U CN202221344244 U CN 202221344244U CN 217902278 U CN217902278 U CN 217902278U
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- threshold switch
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- cabinet door
- switch
- circuit breaker
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Abstract
The utility model discloses a control system that no negative pressure switch board area was overhauld and is thrown light on relates to switch board technical field, including switch board and system module, the switch board includes cabinet door and electric crossbeam, the system module includes threshold switch, no. 35 line, no. 37 line, illumination fluorescent tube and circuit breaker, threshold switch installs in the lintel department of cabinet door, the top at the switch board is installed to the illumination fluorescent tube, the circuit breaker is installed on the electric crossbeam of switch board. The utility model discloses can be when opening the cabinet door and overhaul, let between circuit breaker and the illumination fluorescent tube through threshold switch circuit connection, make it constitute a circuit of accomplishing, the automatic illumination, the easy access, can be when closing the cabinet door, the cabinet door withstands threshold switch, circuit switch between automatic disconnection circuit breaker and the illumination fluorescent tube, make it can not constitute a circuit of accomplishing, extinguish the illumination fluorescent tube automatically, the energy saving, and whole circuit simple structure, high durability and convenient installation, suitable using widely.
Description
Technical Field
The utility model relates to a switch board technical field especially relates to a control system that illumination was overhauld in no negative pressure switch board area.
Background
The control cabinet is formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirements, and the arrangement of the control cabinet meets the requirements of normal operation of an electric power system, is convenient to overhaul and does not endanger the safety of people and surrounding equipment. In normal operation, the circuit can be switched on or off by means of a manual or automatic switch. When the fault or abnormal operation occurs, the circuit is cut off or an alarm is given by means of the protective electric appliance. The measuring instrument can display various parameters in operation, and can also adjust some electrical parameters to prompt or send out signals for deviation from normal working state. It is commonly used in various power generation, distribution and transformation substations.
At present, most of non-negative pressure control cabinets need to maintain the inside, a power supply is often needed to be held by manpower to maintain the lighting in the cabinet, the operation is troublesome, the phenomenon of inconvenience in maintenance is caused, and a control system without the negative pressure control cabinet with the maintenance lighting is designed for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a control system with maintenance lighting for a non-negative pressure control cabinet.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a control system with overhauling and lighting functions for a negative-pressure-free control cabinet comprises a control cabinet and a system module, wherein the control cabinet comprises a cabinet door and an electric beam, the system module comprises a threshold switch, a No. 35 wire, a No. 37 wire, a lighting lamp tube and a circuit breaker, the threshold switch is installed at a door head of the cabinet door, the lighting lamp tube is installed at the top of the control cabinet, and the circuit breaker is installed on the electric beam of the control cabinet;
the threshold switch is connected with the lighting lamp tube through a No. 37 line, the threshold switch is connected with the circuit breaker through a No. 35 line, and the circuit breaker is connected with the lighting lamp tube through a lead and forms a circuit with the threshold switch.
Preferably, the circuit breaker is closed to supply power to the lighting system.
Preferably, when the cabinet door is closed, the cabinet door props against the threshold switch to drive the normally closed contact of the threshold switch to be disconnected, and when the normally closed contact of the threshold switch is disconnected, the normally closed contact of the threshold switch is disconnected with a No. 37 line.
Preferably, the sign of the circuit breaker is QF, the sign of the threshold switch is SQ, and the sign position HL of the lighting lamp tube is located.
Preferably, the power supply voltage of the lighting lamp tube is 220v.
Compared with the prior art, the beneficial effects of the utility model are that: in the utility model, the threshold switch is arranged at the door head of the cabinet door, the lighting lamp tube is arranged at the top of the control cabinet, and the circuit breaker is arranged on the electric beam of the control cabinet; the threshold switch is connected with the lighting lamp tube through a No. 37 wire, the threshold switch is connected with the circuit breaker through a No. 35 wire, the circuit breaker is connected with the lighting lamp tube wire and forms a circuit with the threshold switch, when the cabinet door is opened for maintenance, the circuit breaker is connected with the lighting lamp tube through the threshold switch circuit, the circuit breaker is enabled to form a completed circuit with the lighting lamp tube, automatic lighting and convenient maintenance are achieved, when the cabinet door is closed, the cabinet door is abutted against the threshold switch, the circuit switch between the circuit breaker and the lighting lamp tube is automatically disconnected, the circuit breaker and the lighting lamp tube cannot form a completed circuit, the lighting lamp tube is automatically extinguished, energy is saved, and the whole circuit is simple in structure, convenient to install and suitable for popularization and use.
Drawings
Fig. 1 is the utility model provides a control circuit diagram of a control system that no negative pressure switch board area was overhauld and is thrown light on.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, a control system with maintenance lighting for a non-negative pressure control cabinet comprises a control cabinet and a system module, wherein the control cabinet comprises a cabinet door and an electrical beam, the system module comprises a threshold switch, a No. 35 line, a No. 37 line, a lighting lamp tube and a circuit breaker, the threshold switch is installed at a lintel of the cabinet door, the lighting lamp tube is installed at the top of the control cabinet, and the circuit breaker is installed on the electrical beam of the control cabinet;
the threshold switch is connected with the lighting lamp tube through a No. 37 line, the threshold switch is connected with the breaker through a No. 35 line, and the breaker is connected with the lighting lamp tube through a lead and forms a circuit with the threshold switch.
More specifically, supply power for lighting system when closing the circuit breaker, when the cabinet door was closed, the cabinet door withstood threshold switch, drove the disconnection of threshold switch normally closed contact, when the disconnection of threshold switch normally closed contact, be the off-state with No. 37 lines, the sign of circuit breaker is QF, and the sign of threshold switch is SQ, and the sign position HL of illumination fluorescent tube, the supply voltage of illumination fluorescent tube is 220v.
The working principle is as follows: when the intelligent cabinet is used, the breaker QF is switched on to supply power to the lighting system, when the cabinet door is closed, the cabinet door props against the threshold switch, so that the normally closed contact of the threshold switch is disconnected, at the moment, the 35 # line and the 37 # line of the limit switch wiring are disconnected, the power supply loop of the lighting lamp HL in the cabinet is disconnected, no power is supplied to the lighting lamp HL 220V, and the lighting lamp is not lightened; when the cabinet door is opened, the threshold switch is released, the normally closed contact of the threshold switch is closed, the 35 # line of the limit switch is connected with the 37 # line, the HL power supply loop of the illuminating lamp in the cabinet is connected, the HL 220V power supply of the illuminating lamp is normal, and the illuminating lamp is lightened; thereby, the lighting system of the automatic control cabinet is realized. When opening the cabinet door promptly, the inside light is lighted, overhauls the work, when closing the cabinet door, need not the illumination, and the inside light of switch board extinguishes.
The utility model discloses a can open the cabinet door and overhaul when, let between circuit breaker and the illumination fluorescent tube through threshold switch circuit connection, make it constitute a circuit of accomplishing, the automatic illumination, the easy access can be when closing the cabinet door, the cabinet door withstands threshold switch, circuit switch between automatic disconnection circuit breaker and the illumination fluorescent tube makes it can not constitute a circuit of accomplishing, extinguish the illumination fluorescent tube automatically, the energy saving, and whole circuit simple structure, simple to operate, suitable using widely.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A control system with overhauling and lighting functions for a non-negative pressure control cabinet comprises a control cabinet and a system module, wherein the control cabinet comprises a cabinet door and an electric beam;
the threshold switch is connected with the lighting lamp tube through a No. 37 line, the threshold switch is connected with the circuit breaker through a No. 35 line, and the circuit breaker is connected with the lighting lamp tube through a lead and forms a circuit with the threshold switch.
2. The control system with the overhaul lighting function for the non-negative pressure control cabinet according to claim 1, wherein the circuit breaker is closed to supply power to the lighting system.
3. The control system with the overhauling lighting function for the non-negative pressure control cabinet as recited in claim 1, wherein when the cabinet door is closed, the cabinet door abuts against the threshold switch to drive the normally closed contact of the threshold switch to be opened, and when the normally closed contact of the threshold switch is opened, the normally closed contact of the threshold switch is disconnected with a No. 37 wire.
4. The control system with overhauling lighting for the non-negative pressure control cabinet as set forth in claim 1, wherein the sign of the breaker is QF, the sign of the threshold switch is SQ, and the sign of the lighting lamp is HL.
5. The control system of claim 1, wherein the supply voltage of the lighting tube is 220v.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221344244.8U CN217902278U (en) | 2022-05-20 | 2022-05-20 | Control system with overhauling and lighting functions for negative-pressure-free control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221344244.8U CN217902278U (en) | 2022-05-20 | 2022-05-20 | Control system with overhauling and lighting functions for negative-pressure-free control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217902278U true CN217902278U (en) | 2022-11-25 |
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ID=84112879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221344244.8U Active CN217902278U (en) | 2022-05-20 | 2022-05-20 | Control system with overhauling and lighting functions for negative-pressure-free control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217902278U (en) |
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2022
- 2022-05-20 CN CN202221344244.8U patent/CN217902278U/en active Active
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