CN215896161U - Safety alarm device for transformer - Google Patents
Safety alarm device for transformer Download PDFInfo
- Publication number
- CN215896161U CN215896161U CN202121781219.1U CN202121781219U CN215896161U CN 215896161 U CN215896161 U CN 215896161U CN 202121781219 U CN202121781219 U CN 202121781219U CN 215896161 U CN215896161 U CN 215896161U
- Authority
- CN
- China
- Prior art keywords
- transformer
- conversion module
- switch
- control box
- output end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Protection Of Transformers (AREA)
Abstract
The utility model discloses a transformer safety alarm device, which belongs to the technical field of transformers and comprises a control box arranged on the inner wall of a transformer chamber and a lower end travel switch arranged on a door of the transformer chamber, wherein an indicating lamp, an audible and visual alarm and a selection switch are arranged on a panel of the control box, an A/D conversion module with the input end correspondingly connected with a live wire and a zero wire of the output end of the transformer is arranged in the control box, and the two ends of the travel switch, the audible and visual alarm and the selection switch are correspondingly connected with the output end of the A/D conversion module after being connected in series. The utility model can solve the problem that the live terminal of the transformer is dangerous and the personal safety of the worker is caused by the fact that no warning is given when the existing transformer room is checked.
Description
Technical Field
The utility model relates to the technical field of transformers, in particular to a sound and light warning device for point inspection of an indoor transformer.
Background
In order to meet the power consumption requirements of various devices in enterprises, transformer chambers are generally built in the enterprises, in order to prevent problems which may occur in the operation of the transformers, the transformers need to be subjected to daily point inspection in the transformer chambers, high voltage is provided when the transformers normally operate, the point inspection needs to be powered off, if workers do not know the operation state of the transformers before entering the transformer chambers, the workers are mistakenly deenergized and touch exposed parts of leading-out terminals, electric shock of the workers can be caused, and personal safety of the workers is endangered, so that how to manufacture the transformer safety alarm device is a new problem which needs to be solved urgently by the workers in the field.
SUMMERY OF THE UTILITY MODEL
The utility model provides a transformer safety alarm device which can solve the problems that an existing transformer room is not warned during point inspection, so that workers can be dangerous and personal safety can be guaranteed when the workers touch electrified terminals of a transformer by mistake.
In order to solve the problems, the technical scheme adopted by the utility model is as follows: the transformer safety alarm device comprises a control box arranged on the inner wall of a transformer chamber and a lower end travel switch arranged on a door of the transformer chamber, wherein an indicating lamp, an audible and visual alarm and a selection switch are arranged on a panel of the control box, an A/D conversion module is arranged in the control box, the input end of the A/D conversion module is correspondingly connected with a live wire and a zero wire of the output end of a transformer, and the two ends of the A/D conversion module are correspondingly connected with the output end of the A/D conversion module after the travel switch, the audible and visual alarm and the selection switch are connected in series.
In the above technical solution, a more specific technical solution may also be: the travel switch is a normally open switch; the selection switch is a normally closed switch.
Further: and an isolating switch is connected between the input end of the A/D conversion module and the zero line and the live line of the output end of the transformer.
Further: and after the indicator lamp is connected with the fast melter in series, one end of the indicator lamp is connected with the live wire, and the other end of the indicator lamp is connected with the zero line.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following beneficial effects:
1. the transformer safety alarm device comprises a control box arranged on the inner wall of a transformer chamber and a lower end travel switch arranged on a door of the transformer chamber, wherein an indicator lamp, an audible and visual alarm and a selector switch are arranged on a panel of the control box, an A/D conversion module with an input end correspondingly connected with a live wire and a zero wire of the output end of the transformer is arranged in the control box, and two ends of the travel switch, the audible and visual alarm and the selector switch are correspondingly connected with the output end of the A/D conversion module after being connected in series. When a worker pushes a door of the transformer chamber open, the running state of the transformer can be seen by the warning lamp, if the lamp is on, the transformer is in a normal working state, at the moment, the travel switch is closed, the audible and visual alarm gives out sound to warn the worker of power-off operation, and the worker can pay attention to keeping a safe distance, so that the personal safety and equipment safety of the worker are ensured; meanwhile, the operation change-over switch is turned off, and the alarm sound is turned off, so that the operating sound of the transformer can be judged conveniently by the point inspection personnel.
2. Because the isolating switch is connected between the input end of the A/D conversion module and the zero line and the live line of the output end of the transformer, the effect of processing the sectional power supply when the device breaks down is achieved, and the transformer is prevented from tripping due to the device failure.
Drawings
Fig. 1 is a schematic diagram of a control box.
Fig. 2 is an electrical schematic of an embodiment of the utility model.
Detailed Description
The utility model will be further described in detail with reference to the following examples:
the transformer safety alarm device shown in fig. 1 and 2 comprises a control box 1 and a travel switch 2, wherein the control box 1 is installed on the inner wall of a transformer chamber, the travel switch 2 is arranged at the lower end of a door of the transformer chamber, an indicator lamp 3, an audible and visual alarm 4 and a selector switch 5 are arranged on a panel of the control box 1, an a/D conversion module 6 is arranged in the control box 1, and the a/D conversion module 6 of the embodiment is a conversion module for converting 220V of an alternating current power supply into 24V of a direct current power supply; the input end of the A/D conversion module 6 is correspondingly connected with the live wire L and the zero line N of the output end of the transformer respectively, and an isolating switch 7 is connected between the input end of the A/D conversion module and the live wire and the zero line of the output end of the transformer; after the travel switch 2, the audible and visual alarm 4 and the selection switch 5 are connected in series, two ends of the travel switch are correspondingly connected with the output end of the A/D conversion module respectively, the travel switch 2 is a normally open switch, and the selection switch 5 is a normally closed switch; one end of the indicator light 3 is connected with the live wire L after being connected with the fast melting device 8 in series, and the other end is connected with the zero line N.
When a worker pushes a door of the transformer chamber open, the running state of the transformer can be seen by the warning lamp, if the lamp is on, the transformer is in a normal working state, at the moment, the travel switch is closed, the audible and visual alarm gives out sound to warn the worker of power-off operation, and the worker can pay attention to keeping a safe distance, so that the personal safety and equipment safety of the worker are ensured; meanwhile, the operation change-over switch is turned off, and the alarm sound is turned off, so that the operating sound of the transformer can be judged conveniently by the point inspection personnel.
Claims (4)
1. The utility model provides a transformer safety alarm device which characterized in that: the transformer room door control device comprises a control box arranged on the inner wall of a transformer room and a travel switch arranged at the lower end of a door of the transformer room, wherein an indicating lamp, an audible and visual alarm and a selection switch are arranged on a panel of the control box, an A/D conversion module is arranged in the control box, the input end of the A/D conversion module is correspondingly connected with a live wire and a zero wire of the output end of a transformer respectively, and the travel switch, the audible and visual alarm and the selection switch are connected in series and then the two ends of the A/D conversion module are correspondingly connected with the output end of the A/D conversion module respectively.
2. The transformer safety alarm device according to claim 1, wherein: the travel switch is a normally open switch; the selection switch is a normally closed switch.
3. The transformer safety warning device according to claim 1 or 2, characterized in that: and an isolating switch is connected between the input end of the A/D conversion module and the zero line and the live line of the output end of the transformer.
4. The transformer safety alarm device according to claim 3, wherein: and after the indicator lamp is connected with the fast melter in series, one end of the indicator lamp is connected with the live wire, and the other end of the indicator lamp is connected with the zero line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121781219.1U CN215896161U (en) | 2021-08-02 | 2021-08-02 | Safety alarm device for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121781219.1U CN215896161U (en) | 2021-08-02 | 2021-08-02 | Safety alarm device for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215896161U true CN215896161U (en) | 2022-02-22 |
Family
ID=80343272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121781219.1U Active CN215896161U (en) | 2021-08-02 | 2021-08-02 | Safety alarm device for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215896161U (en) |
-
2021
- 2021-08-02 CN CN202121781219.1U patent/CN215896161U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107171431B (en) | Uninterrupted power regulating equipment, uninterrupted power regulating system and uninterrupted power regulating control method | |
| CN202633925U (en) | Power-grid inverted-feed protection device | |
| CN202632491U (en) | Live-line cabinet door mis-open voice alarm device | |
| CN202997339U (en) | Low-voltage capacitor compensation cabinet | |
| CN203733567U (en) | Transformer air cooling control cabinet | |
| CN105375634A (en) | Monitoring system of high voltage switch cabinet | |
| CN215896161U (en) | Safety alarm device for transformer | |
| CN206922507U (en) | A kind of intelligent integrated switch board | |
| CN219800691U (en) | Novel high-voltage switch cabinet mechanical interlocking device convenient to implement | |
| CN205509341U (en) | Novel box transformer device | |
| CN209946322U (en) | Electrical control system of circuit breaker operation box | |
| CN201488255U (en) | Electric heater with earth wire live detection function | |
| CN103151196B (en) | State indicating instrument of three-working-position operating mechanism of high-voltage switch cabinet and state indicating method thereof | |
| CN103701050A (en) | Power distributing cabinet | |
| CN109120066B (en) | Colliery electric power monitored control system transmission equipment | |
| CN205247174U (en) | Power supply station uses autoalarm based on safe type of essence | |
| CN202939429U (en) | Arc extinguishing cabinet controller | |
| CN107124039A (en) | A kind of intelligent integrated switch board | |
| CN201498452U (en) | Plastic shell type circuit breaker | |
| CN206742167U (en) | A kind of intelligent moulded case circuit breaker | |
| CN220692676U (en) | 35KV switch cabinet hand-held operation box | |
| CN110411591A (en) | A kind of transformer temperature telemetering immediately monitoring alarm system and its monitoring method | |
| CN217282776U (en) | Frequency converter fault self-adaptive bypass control system for crane | |
| CN220154817U (en) | Intelligent electric control system for climbing frame | |
| CN221057855U (en) | Control cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |