CN216352740U - Alarm device for power loss of private office feed switch - Google Patents
Alarm device for power loss of private office feed switch Download PDFInfo
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- CN216352740U CN216352740U CN202023157139.7U CN202023157139U CN216352740U CN 216352740 U CN216352740 U CN 216352740U CN 202023157139 U CN202023157139 U CN 202023157139U CN 216352740 U CN216352740 U CN 216352740U
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- private office
- rectangular shell
- alarm device
- electric bell
- wiring terminal
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Abstract
The utility model discloses an alarm device for power loss of a private office feeder switch, which comprises a rectangular shell, wherein installation fixing parts are arranged at two side parts of the rectangular shell and fixedly connected with the rectangular shell; by adopting the scheme of the utility model, the private office feed vacuum contactor switch is taken as a control point of the electric bell, the 127V lighting electricity is taken as an electric bell power supply, when the private office feed vacuum contactor switch loses power or is switched off, the short-circuited electric bell is switched on, and the electric bell alarm gives out audible and visual alarm to remind the on-duty transformer workers to deal with the fault in time, thereby greatly shortening the recovery time of the private office power supply.
Description
Technical Field
The utility model belongs to the field of coal mining, and particularly relates to an alarm device for power failure of a private office feed switch.
Background
At present, when a low-voltage main office switch of a substation in a mining area under a mine of some coal mining enterprises is in power failure, an alarm device is not provided, and due to the fact that the low-voltage switch is low in sound when tripping, the external environment of the substation is noisy, and when the low-voltage switch is in fault tripping, personnel on duty in the substation are not easy to find; sometimes, a local fan driver or a ground monitoring center is required to inform a substation watching person, so that the fault power failure of a local fan feed switch cannot be timely processed, the power supply recovery time is prolonged, the potential safety hazard of underground power supply exists, and great influence is also caused on the production and manufacturing of enterprises.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an alarm device for power loss of a private office feed switch, which can alarm the power loss condition in time.
In order to achieve the purpose, the utility model adopts the technical scheme that: the alarm device for power loss of the private office feed switch comprises a rectangular shell, wherein installation fixing parts are arranged on two side parts of the rectangular shell and fixedly connected with the rectangular shell, wiring parts are arranged on two end parts of the rectangular shell and fixedly connected with the rectangular shell, and the alarm device is controlled by an alarm circuit to work;
the alarm circuit comprises an exciting transformer, an electric bell and a private office feed vacuum contactor switch, wherein the exciting transformer is connected with the private office feed vacuum contactor switch in parallel, and the electric bell is arranged between the exciting transformer and the private office feed vacuum contactor switch.
The utility model discloses an alarm device for power loss of a private office feed switch, wherein an installation fixing part comprises a first fixing iron sheet and a second fixing iron sheet, a first through hole is formed in the middle of the first fixing iron sheet, a second through hole is formed in the middle of the second fixing iron sheet, and the first fixing iron sheet and the second fixing iron sheet are fixedly connected with a rectangular shell.
The utility model discloses an alarm device for power loss of a private office feed switch.
The utility model discloses an alarm device for power loss of a private office feed switch, wherein the voltage of an exciting transformer before voltage transformation is 660V alternating current, and the voltage after voltage transformation is 127V alternating current.
By adopting the scheme of the utility model, the private office feed vacuum contactor switch is taken as a control point of the electric bell, the 127V lighting electricity is taken as an electric bell power supply, when the private office feed vacuum contactor switch loses power or is switched off, the short-circuited electric bell is switched on, and the electric bell alarm gives out audible and visual alarm to remind the on-duty transformer workers to deal with the fault in time, thereby greatly shortening the recovery time of the private office power supply.
The utility model will be explained in more detail below with reference to the drawings and examples.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a circuit diagram of the present invention;
labeled as: 1. a rectangular housing; 2. a first fixed iron piece; 3. a first through hole; 4. a second fixed iron sheet; 5. a second through hole; 6. a first terminal post; 7. a second terminal; 8. a third terminal; 9. a fourth terminal; 10. an excitation transformer; 11. an electric bell; 12. private office feed vacuum contactor switches;
Detailed Description
The following description of the embodiments of the present invention, with reference to the accompanying drawings, will be made in further detail to explain embodiments of the present invention, such as the shapes, structures, mutual positions and connection relationships of the components, the functions and working principles of the components, the manufacturing process, and the operation and use method, so as to help those skilled in the art to more completely, accurately and deeply understand the concept and technical solutions of the present invention.
FIG. 1 is a schematic view of the present invention; FIG. 2 is a circuit diagram of the present invention; as shown in fig. 1 and 2, the alarm device for power loss of the private office feeder switch comprises a rectangular shell 1, wherein mounting and fixing parts are arranged at two sides of the rectangular shell 1 and fixedly connected with the rectangular shell 1, wiring parts are arranged at two ends of the rectangular shell 1 and fixedly connected with the rectangular shell 1, and the alarm device is controlled by an alarm circuit to work; the mounting and fixing part comprises a first fixing iron sheet 2 and a second fixing iron sheet 4, wherein a first through hole 3 is formed in the middle of the first fixing iron sheet 2, a second through hole 5 is formed in the middle of the second fixing iron sheet 4, and the first fixing iron sheet 2, the second fixing iron sheet 4 and the rectangular shell 1 are fixedly connected; the wiring part comprises a first wiring terminal 6, a second wiring terminal 7, a third wiring terminal 8 and a fourth wiring terminal 9, wherein the first wiring terminal 6, the second wiring terminal 7, the third wiring terminal 8 and the fourth wiring terminal 9 are fixedly connected with the rectangular shell 1; the alarm circuit comprises an exciting transformer 10, an electric bell 11 and a private office feed vacuum contactor switch 12, wherein the exciting transformer 10 is connected with the private office feed vacuum contactor switch 12 in parallel, and the electric bell 11 is arranged between the exciting transformer 10 and the private office feed vacuum contactor switch 12; the voltage of the excitation transformer 10 before voltage transformation is 660V alternating current, and the voltage after voltage transformation is 127V alternating current.
When the alarm device works, when a private office feed vacuum contactor switch 12 loses power or trips, the electric bell 11 which is originally short-circuited is connected into a circuit to form a closed circuit, the electrified electric bell 11 gives out an alarm sound, and after hearing the sound, a worker goes to the site for investigation and maintenance as soon as possible.
By adopting the scheme of the utility model, the private office feed vacuum contactor switch is taken as a control point of the electric bell, the 127V lighting electricity is taken as an electric bell power supply, when the private office feed vacuum contactor switch loses power or is switched off, the short-circuited electric bell is switched on, and the electric bell alarm gives out audible and visual alarm to remind the on-duty transformer workers to deal with the fault in time, thereby greatly shortening the recovery time of the private office power supply.
The utility model has been described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the specific implementation in the above-described manner, and it is within the scope of the utility model to apply the inventive concept and solution to other applications without substantial modification.
Claims (4)
1. The utility model provides an alarm device that is used for private office feeder switch to lose electricity, includes rectangular housing, its characterized in that: the alarm device is characterized in that mounting and fixing parts are arranged on two sides of the rectangular shell and fixedly connected with the rectangular shell, wiring parts are arranged on two ends of the rectangular shell and fixedly connected with the rectangular shell, and the alarm device is controlled by an alarm circuit to work;
the alarm circuit comprises an exciting transformer, an electric bell and a private office feed vacuum contactor switch, wherein the exciting transformer is connected with the private office feed vacuum contactor switch in parallel, and the electric bell is arranged between the exciting transformer and the private office feed vacuum contactor switch.
2. The alarm device for power loss of the private office feeder switch as claimed in claim 1, wherein the fixing portion comprises a first fixing iron plate and a second fixing iron plate, wherein a first through hole is formed in the middle of the first fixing iron plate, a second through hole is formed in the middle of the second fixing iron plate, and the first fixing iron plate and the second fixing iron plate are fixedly connected with the rectangular housing.
3. The warning device for power loss of the private office feeder switch according to claim 1, wherein the wiring portion comprises a first wiring terminal, a second wiring terminal, a third wiring terminal and a fourth wiring terminal, wherein the first wiring terminal, the second wiring terminal, the third wiring terminal and the fourth wiring terminal are fixedly connected with the rectangular shell.
4. The apparatus of claim 1, wherein the exciting transformer has 660V ac before voltage transformation and 127V ac after voltage transformation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023157139.7U CN216352740U (en) | 2020-12-24 | 2020-12-24 | Alarm device for power loss of private office feed switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023157139.7U CN216352740U (en) | 2020-12-24 | 2020-12-24 | Alarm device for power loss of private office feed switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216352740U true CN216352740U (en) | 2022-04-19 |
Family
ID=81129309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023157139.7U Active CN216352740U (en) | 2020-12-24 | 2020-12-24 | Alarm device for power loss of private office feed switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216352740U (en) |
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2020
- 2020-12-24 CN CN202023157139.7U patent/CN216352740U/en active Active
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