CN211426753U - Electric leakage alarm device of transformer - Google Patents
Electric leakage alarm device of transformer Download PDFInfo
- Publication number
- CN211426753U CN211426753U CN201922282863.3U CN201922282863U CN211426753U CN 211426753 U CN211426753 U CN 211426753U CN 201922282863 U CN201922282863 U CN 201922282863U CN 211426753 U CN211426753 U CN 211426753U
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- transformer
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- alarm device
- voltage inductor
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- 239000002184 metal Substances 0.000 claims abstract description 7
- 238000012423 maintenance Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a leakage alarm device of a transformer, which comprises a shell, wherein the inside of the shell is hollow to form a holding cavity, and a controller is arranged in the holding cavity; the controller is electrically connected with a first voltage inductor, and the first voltage inductor is arranged on the metal shell of the transformer; the controller is connected with a second voltage inductor in an electrified mode, and the second voltage inductor is arranged at the grounding point of the transformer; the shell comprises a first side face and a second side face which are opposite to each other, an alarm is fixedly arranged on the first side face, and the alarm is electrically connected with the controller. The utility model provides a pair of electric leakage alarm device of transformer monitors the state of transformer through first voltage inductor and second voltage inductor. Through the setting of alarm, can report to the police when first voltage inductor and second voltage inductor sense that voltage equals or surpasss and predetermine the threshold value.
Description
Technical Field
The utility model relates to a transformer field especially relates to a leakage alarm device of transformer.
Background
In order to ensure the safety of equipment and personnel, the transformer is provided with two kinds of grounding protection of working grounding and protective grounding. When the transformer is in a normal working state, the metal shell of the transformer is uncharged, even if the insulation damage of the transformer bushing and the outgoing line causes interphase short circuit or grounding short circuit, at the moment, if the grounding of the transformer shell is good, the equipotential of the metal shell of the transformer and the ground can be ensured, and personnel touching the transformer can not have personal electric shock accidents. However, in general, when the transformer is grounded and becomes loose or the ground resistance rises during operation, the metal shell of the transformer is charged or the ground potential near the grounding point of the transformer rises, which is very likely to cause personal electric shock accidents. If the operation and maintenance personnel cannot find and eliminate the defects of the equipment in time, equipment burning accidents can be caused, and power supply interruption is caused.
At present, no effective transformer leakage detection alarm device can detect leakage danger and send an alarm signal immediately, remind passing pedestrians not to be close to leakage equipment, remind equipment operation and maintenance personnel to eliminate the defect in time. Along with the rapid increase of the electricity consumption in China, the number of the transformers, particularly the distribution transformers, which are put into operation is also in a rapid increase trend, and a vicious circle that the more dense the population, the more dense the transformers are is, the more dense the transformers are also appears. In recent years, it has been found that personal injuries and equipment accidents caused by the leakage of electricity from transformers are rising, and have a bad social influence.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a leakage alarm device of transformer solves the problem that the transformer electric leakage does not have the warning.
To achieve the purpose, the utility model adopts the following technical proposal:
the electric leakage alarm device of the transformer comprises a shell, wherein the interior of the shell is hollow to form an accommodating cavity, and a controller is arranged in the accommodating cavity;
the controller is electrically connected with a first voltage inductor, and the first voltage inductor is arranged on the metal shell of the transformer;
the controller is connected with a second voltage inductor in an electrified mode, and the second voltage inductor is arranged at the grounding point of the transformer;
the shell comprises a first side face and a second side face which are opposite to each other, an alarm is fixedly arranged on the first side face, and the alarm is electrically connected with the controller.
Optionally, the alarm comprises a warning light and a horn; the first side surface is provided with a horn groove matched with the horn shape and a warning lamp groove matched with the warning lamp shape;
the horn is fixedly embedded in the horn groove, and the warning lamp is fixedly embedded in the warning lamp groove.
Optionally, the controller is connected with a first connection line, and one end of the first connection line, which is far away from the controller, is connected with the first voltage inductor;
the controller is connected with a second connecting wire, and one end, far away from the controller, of the second connecting wire is connected with the second voltage inductor.
Optionally, a first connecting wire hole adapted to the outer diameter of the first connecting wire and a second connecting wire hole adapted to the outer diameter of the second connecting wire are formed in the bottom surface of the housing;
the first connection line extends to the outside of the case through the first connection line hole, and the second connection line extends to the outside of the case through the second connection line hole.
Optionally, a solar panel is arranged on the top surface of the housing, a built-in battery is arranged in the accommodating cavity, and the solar panel is electrically connected with the built-in battery; the built-in battery is electrically connected with the controller, the first voltage inductor, the second voltage inductor and the alarm.
Optionally, a fixing member for fixing the housing at a predetermined position is fixedly disposed on the second side surface.
Optionally, the solar panel is connected to the housing through an angle adjustment mechanism.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a pair of electric leakage alarm device of transformer monitors the state of transformer through first voltage inductor and second voltage inductor. Through the setting of alarm, can report to the police when first voltage inductor and second voltage inductor sense that voltage equals or surpasss and predetermine the threshold value.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose.
Fig. 1 is a schematic structural diagram of an electric leakage alarm device of a transformer according to an embodiment of the present invention.
Illustration of the drawings: 1. a housing; 2. a horn; 3. a warning light; 4. a solar panel; 51. a first connecting line; 52. a second connecting line; 61. a first voltage sensor; 62. a second voltage sensor.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and 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. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
An embodiment of the utility model provides a leakage alarm device of transformer can monitor the state of transformer.
Referring to fig. 1, the leakage alarm device of the transformer includes a housing 1, wherein the housing 1 is hollow to form a receiving cavity, and a controller is disposed in the receiving cavity.
The controller is electrically connected with a first voltage inductor 61, and the first voltage inductor 61 is arranged on the metal shell of the transformer.
The controller is electrically connected to a second voltage inductor 62, the second voltage inductor 62 being arranged at the ground point of the transformer.
The shell 1 comprises a first side face and a second side face which are opposite, wherein an alarm is fixedly arranged on the first side face and is electrically connected with the controller.
The leakage alarm device for the transformer provided by this embodiment can monitor the state of the transformer through the first voltage inductor 61 and the second voltage inductor 62. Through the setting of alarm, can report to the police when sensing voltage and equaling or surpassing preset threshold value. For example, when the first voltage sensor 61 detects a voltage and the second voltage sensor 62 does not detect a voltage, the operation and maintenance personnel thereby judge that the insulation of the transformer bushing or the lead wire may be damaged and the grounding of the transformer shell may be loosened; when the first voltage sensor detects no voltage and the second voltage sensor 62 detects voltage, the operation and maintenance personnel can judge that three-phase imbalance possibly occurs; when the first voltage sensor 61 and the second voltage sensor 62 both detect the voltage, the operation and maintenance personnel can determine that the ground resistance may be increased.
Specifically, the alarm comprises a warning lamp 3 and a loudspeaker 2. Set up on the first side with 2 grooves of loudspeaker of 2 shape adaptations of loudspeaker and with 3 grooves of warning light of 3 shape adaptations of warning light.
Loudspeaker 2 is fixed to be inlayed and is located loudspeaker 2 groove, and warning light 3 is fixed to be inlayed and is located in warning light 3 grooves.
More specifically, the first side surface is provided with two horns 2 and two horn 2 grooves.
In this embodiment, the controller is connected to a first connection line 51, and one end of the first connection line 51 away from the controller is connected to the first voltage sensor 61.
The controller is connected with a second connecting wire 52, and one end of the second connecting wire 52 far away from the controller is connected with a second voltage inductor 62.
The bottom surface of the housing 1 is formed with a first connecting line 51 hole adapted to the outer diameter of the first connecting line 51 and a second connecting line 52 hole adapted to the outer diameter of the second connecting line 52.
The first connection line 51 extends to the outside of the housing 1 through the first connection line 51 hole, and the second connection line 52 extends to the outside of the housing 1 through the second connection line 52 hole.
In this embodiment, the top surface of the casing 1 is provided with a solar panel 4, the accommodating cavity is provided with a built-in battery, and the solar panel 4 is electrically connected with the built-in battery. The built-in battery is electrically connected with the controller, the first voltage sensor 61, the second voltage sensor 62 and the alarm.
The solar panel 4 is connected with the shell 1 through an angle adjusting mechanism.
The arrangement of the solar panel 4 can provide energy for the electric device of the electric leakage alarm device, and the electric leakage alarm device is energy-saving and environment-friendly. Can let solar panel 4 towards the high direction of light intensity through angle adjustment mechanism to promote solar panel 4 and absorb solar energy's efficiency. The top surface of the shell 1 can be provided with a photosensitive sensor which is electrically connected with a controller, and the controller is electrically connected with an angle adjusting mechanism.
In this embodiment, a fixing member for fixing the housing 1 at a predetermined position is fixedly provided on the second side surface. The fixing member may be a back adhesive or the like.
The leakage alarm device for the transformer provided by this embodiment can monitor the state of the transformer through the first voltage inductor 61 and the second voltage inductor 62. Through the setting of alarm, can report to the police when sensing voltage and equaling or surpassing preset threshold value. Furthermore, the electric leakage alarm device also absorbs solar energy through the solar panel 4, thereby saving energy and protecting environment.
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: modifications of the technical solutions described in the embodiments or equivalent replacements of some technical features may still be made. Such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The leakage alarm device of the transformer is characterized by comprising a shell, wherein the shell is hollow to form an accommodating cavity, and a controller is arranged in the accommodating cavity;
the controller is electrically connected with a first voltage inductor, and the first voltage inductor is arranged on the metal shell of the transformer;
the controller is connected with a second voltage inductor in an electrified mode, and the second voltage inductor is arranged at the grounding point of the transformer;
the shell comprises a first side face and a second side face which are opposite to each other, an alarm is fixedly arranged on the first side face, and the alarm is electrically connected with the controller.
2. A leakage alarm device for a transformer according to claim 1, wherein the alarm comprises a warning light and a horn; the first side surface is provided with a horn groove matched with the horn shape and a warning lamp groove matched with the warning lamp shape;
the horn is fixedly embedded in the horn groove, and the warning lamp is fixedly embedded in the warning lamp groove.
3. A leakage alarm device for a transformer according to claim 1, wherein the controller is connected to a first connection line, and an end of the first connection line away from the controller is connected to the first voltage sensor;
the controller is connected with a second connecting wire, and one end, far away from the controller, of the second connecting wire is connected with the second voltage inductor.
4. A leakage alarm device for a transformer according to claim 3, wherein a first connection wire hole adapted to an outer diameter of the first connection wire and a second connection wire hole adapted to an outer diameter of the second connection wire are formed in a bottom surface of the housing;
the first connection line extends to the outside of the case through the first connection line hole, and the second connection line extends to the outside of the case through the second connection line hole.
5. The leakage alarm device of the transformer according to claim 1, wherein a solar panel is disposed on the top surface of the housing, a built-in battery is disposed in the accommodating cavity, and the solar panel is electrically connected to the built-in battery; the built-in battery is electrically connected with the controller, the first voltage inductor, the second voltage inductor and the alarm.
6. A leakage alarm device for a transformer according to claim 1, wherein a fixing member for fixing the housing at a predetermined position is fixedly provided on the second side surface.
7. A leakage alarm device for transformer as claimed in claim 5, wherein said solar panel is connected to said housing through an angle adjustment mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922282863.3U CN211426753U (en) | 2019-12-18 | 2019-12-18 | Electric leakage alarm device of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922282863.3U CN211426753U (en) | 2019-12-18 | 2019-12-18 | Electric leakage alarm device of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211426753U true CN211426753U (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922282863.3U Expired - Fee Related CN211426753U (en) | 2019-12-18 | 2019-12-18 | Electric leakage alarm device of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211426753U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114495422A (en) * | 2021-12-31 | 2022-05-13 | 广东电网有限责任公司 | Intelligent warning device for preventing social personnel from electric shock |
| CN117116633A (en) * | 2023-09-05 | 2023-11-24 | 特变电工衡阳变压器有限公司 | Monitoring device suitable for new forms of energy high voltage transformer |
-
2019
- 2019-12-18 CN CN201922282863.3U patent/CN211426753U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114495422A (en) * | 2021-12-31 | 2022-05-13 | 广东电网有限责任公司 | Intelligent warning device for preventing social personnel from electric shock |
| CN114495422B (en) * | 2021-12-31 | 2023-06-06 | 广东电网有限责任公司 | Intelligent warning device for preventing social personnel from getting electric shock |
| CN117116633A (en) * | 2023-09-05 | 2023-11-24 | 特变电工衡阳变压器有限公司 | Monitoring device suitable for new forms of energy high voltage transformer |
| CN117116633B (en) * | 2023-09-05 | 2024-04-16 | 特变电工衡阳变压器有限公司 | Monitoring device suitable for new forms of energy high voltage transformer |
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| 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: 20200904 |