CN208596939U - A kind of earth leakage protective device of for transformer - Google Patents
A kind of earth leakage protective device of for transformer Download PDFInfo
- Publication number
- CN208596939U CN208596939U CN201821182269.6U CN201821182269U CN208596939U CN 208596939 U CN208596939 U CN 208596939U CN 201821182269 U CN201821182269 U CN 201821182269U CN 208596939 U CN208596939 U CN 208596939U
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- protective device
- transformer
- device ontology
- protective
- connector
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Abstract
The utility model discloses a kind of earth leakage protective devices of for transformer, including protective device ontology, the connector is connect by connector and connecting line with the leakage current water conservancy diversion earthing or grounding means of transformer side, the fixinig plate is located at connector two sides, adjusting screw rod has been penetrated in the fixinig plate, described adjusting screw rod one end is equipped with pressing plate, described this body front surface of protective device is provided with control panel, liquid crystal display, USB interface and transparent protective cover, the protective device body outer surface is provided with protective jacket, the protective device ontology is provided with connection sheet in two sides up and down, combined aural and visual alarm and wireless signal transceiver are provided on the upside of the protective device ontology, the protective device ontology rear surface is provided with gag lever post and radiating ribs, described gag lever post one end is equipped with sucker.The utility model is hinged by transparent protective cover side and protective device ontology, and the transparent protective cover other side can be avoided liquid crystal display damage by safety lock and protective device ontology interlocking.
Description
Technical field
The utility model relates to earth leakage protective device field, the earth leakage protective device of specifically a kind of for transformer.
Background technique
With the needs of Electrical Safety, earth leakage protective device is widely used on various electrical equipments, especially transformation
The earth leakage protective device of device is most widely used, and there is many defects, such as nothing for the earth leakage protective device of existing transformer
Method avoids earth leakage protective device from making moist well, not can avoid damaged in collision earth leakage protective device.
Utility model content
The purpose of this utility model is to provide a kind of earth leakage protective devices of for transformer, to solve in the prior art
Not can avoid damaged in collision earth leakage protective device and earth leakage protective device be easy dampness problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of earth leakage protective dress of for transformer
It sets, including protective device ontology, the protective device body interior is provided with electric leakage Acquisition Circuit, electric leakage acquisition device and Wei Chu
Device is managed, Acquisition Circuit of leaking electricity and microprocessor are connect with the leakage current normal open switch of transformer side, and electric leakage Acquisition Circuit passes through
Overcurrent protective device is connected with the power supply of transformer, and protective device ontology side is provided with connector and fixinig plate,
The connector is connect by connector and connecting line with the leakage current water conservancy diversion earthing or grounding means of transformer side, the fixinig plate position
In having penetrated adjusting screw rod in connector two sides, the fixinig plate, described adjusting screw rod one end is equipped with pressing plate, the protection dress
It sets this body front surface and is provided with control panel, liquid crystal display, USB interface and transparent protective cover, the control panel, liquid crystal
Display screen and USB interface are located inside transparent protective cover, and the protective device body outer surface is provided with protective jacket, the protection dress
Setting ontology, two sides are provided with connection sheet up and down, and combined aural and visual alarm and wireless signal transmitting-receiving are provided on the upside of the protective device ontology
Device, the protective device ontology rear surface are provided with gag lever post and radiating ribs, and described gag lever post one end is equipped with sucker.
Preferably, the transparent protective cover side and protective device ontology are hinged, and the transparent protective cover other side passes through
Safety lock and protective device ontology interlocking.
Preferably, the limit pole length is 5 centimetres, and the gag lever post and sucker are structure as a whole.
Preferably, the pressing plate and adjusting screw rod are structure as a whole, and are provided with rubber layer on the inside of the pressing plate.
Preferably, the protective jacket is rubber sleeve, and the protective jacket is bonded on protective device ontology.
Preferably, leakage current water conservancy diversion earthing or grounding means includes a fixed bracket very ground connection guide rod, fixed bracket installation
In transformer shell bottom position, it is grounded guide rod and is connected on fixed bracket by release motor rotation.
Preferably, electric leakage acquisition device includes at least three conductive members being evenly arranged around transformer case, often
One conductive member is separately connected the inductance sensor and current sensor of electric leakage Acquisition Circuit.
Compared with prior art, the utility model has the beneficial effects that the utility model by transparent protective cover side and
Protective device ontology is hinged, and the transparent protective cover other side can be good at avoiding by safety lock and protective device ontology interlocking
Liquid crystal display damage is 5 centimetres by limit pole length, and gag lever post and sucker are structure as a whole, and can be good at making to protect
Device noumenon is far from front, to avoid the water on front from being flowed into protective device body interior, to avoid protective device sheet
Body dampness, is structure as a whole by pressing plate and adjusting screw rod, is provided with rubber layer on the inside of pressing plate, is avoided Joint's falling off well,
It is rubber sleeve by protective jacket to avoid influencing the work of leakage current water conservancy diversion earthing or grounding means, protective jacket is bonded in protective device
On ontology, it can be good at avoiding collision damage protective device ontology.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the side view of the utility model.
In figure: 1, protective device ontology；2, protective jacket；3, transparent protective cover；4, USB interface；5, connection sheet；6, control plane
Plate；7, safety lock；8, liquid crystal display；9, wireless signal transceiver；10, combined aural and visual alarm；11, fixinig plate；12, connector；
13, pressing plate；14, radiating ribs；15, sucker；16, gag lever post；17, adjusting screw rod.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~2, in the utility model embodiment, a kind of earth leakage protective device of for transformer, including protection
Device noumenon 1, protective device ontology 1 are internally provided with electric leakage Acquisition Circuit, electric leakage acquisition device and microprocessor, electric leakage acquisition
Device includes at least three conductive members being evenly arranged around transformer case, each conductive member is separately connected leakage
The inductance sensor and current sensor of electric Acquisition Circuit, the leakage current for the Acquisition Circuit and microprocessor and transformer side of leaking electricity
Normal open switch connection, electric leakage Acquisition Circuit are connected by overcurrent protective device with the power supply of transformer, protective device ontology 1
Side is provided with connector 12 and fixinig plate 11, and connector 12 passes through the electric leakage conductance of connector and connecting line and transformer side
Earthing or grounding means connection is flowed, leakage current water conservancy diversion earthing or grounding means includes a fixed bracket very ground connection guide rod, fixed bracket installation
In transformer shell bottom position, it is grounded guide rod and is connected on fixed bracket by release motor rotation, fixinig plate 11, which is located at, to be connected
12 two sides of interface, have penetrated adjusting screw rod 17 in fixinig plate 11, and 17 one end of adjusting screw rod is equipped with pressing plate 13, pressing plate 13 and adjust
Screw rod 17 is structure as a whole, and rubber layer is provided on the inside of pressing plate 13, and 1 front surface of protective device ontology is provided with control panel 6, liquid
Crystal display screen 8, USB interface 4 and transparent protective cover 3, control panel 6, liquid crystal display 8 and USB interface 4 are located at transparent protective cover
Inside 3,3 side of transparent protective cover and protective device ontology 1 are hinged, and 3 other side of transparent protective cover passes through safety lock 7 and protection dress
1 interlocking of ontology is set, 1 outer surface of protective device ontology is provided with protective jacket 2, and protective jacket 2 is rubber sleeve, and protective jacket 2 is bonded in guarantor
On protection unit ontology 1, about 1 two sides of protective device ontology are provided with connection sheet 5, and acousto-optic is arranged on the upside of protective device ontology 1
Alarm 10 and wireless signal transceiver 9,1 rear surface of protective device ontology are provided with gag lever post 16 and radiating ribs 14, gag lever post
16 one end are equipped with sucker 15, and 16 length of gag lever post is 5 centimetres, and gag lever post 16 and sucker 15 are structure as a whole, in use, will protect
Protection unit ontology 1 is connected with transformer, and the electric leakage Acquisition Circuit in protective device ontology 1 and electric leakage acquisition device are to electric leakage situation
It is acquired, and the information of acquisition is sent to microprocessor, microprocessor sends a signal to combined aural and visual alarm 10, wireless communication
Electric current is exported, is connect when there is leakage current water conservancy diversion by number transceiver 9 and leakage current water conservancy diversion earthing or grounding means, leakage current water conservancy diversion earthing or grounding means
When ground device is failure to actuate, microprocessor is powered off by leakage current normal open switch, to play earth leakage protective work well
With gag lever post 16 and sucker 15 cooperate, and can be good at that protective device ontology 1 is avoided to contact metope, to avoid protecting well
Protection unit ontology 1 makes moist, while also improving fixed stability, adjusts adjusting screw rod 17, so that pressing plate 13 compresses connector,
Connector is avoided to fall off, to avoid influencing the work of leakage current water conservancy diversion earthing or grounding means.
The working principle of the utility model is: in use, protective device ontology 1 is connected with transformer, protective device sheet
Electric leakage Acquisition Circuit and electric leakage acquisition device in body 1 are acquired electric leakage situation, and the information of acquisition is sent to micro- place
Device is managed, microprocessor sends a signal to combined aural and visual alarm 10, wireless signal transceiver 9 and leakage current water conservancy diversion earthing or grounding means, leaks
Electric current water conservancy diversion earthing or grounding means exports electric current, and when leakage current water conservancy diversion earthing or grounding means occur and being failure to actuate, microprocessor passes through electric leakage
Stream normal open switch is powered off, thus play the role of earth leakage protective, gag lever post 16 and the cooperation of sucker 15 well, it can be fine
Avoid protective device ontology 1 from contacting metope, so that protective device ontology 1 be avoided to make moist well, while also improving fixation
Stability, adjust adjusting screw rod 17 so that pressing plate 13 compress connector, avoid connector from falling off, thus avoid influence leak electricity
The work of conductance stream earthing or grounding means.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (7)
1. a kind of earth leakage protective device of for transformer, including protective device ontology (1), it is characterised in that: the protection dress
It sets ontology (1) and is internally provided with electric leakage Acquisition Circuit, electric leakage acquisition device and microprocessor, Acquisition Circuit of leaking electricity and microprocessor
It is connect with the leakage current normal open switch of transformer side, the power supply electricity that electric leakage Acquisition Circuit passes through overcurrent protective device and transformer
Source connection, protective device ontology (1) side are provided with connector (12) and fixinig plate (11), and the connector (12) passes through
Connector and connecting line are connect with the leakage current water conservancy diversion earthing or grounding means of transformer side, and the fixinig plate (11) is located at connector
(12) two sides, the fixinig plate (11) is interior have been penetrated adjusting screw rod (17), and described adjusting screw rod (17) one end is equipped with pressing plate
(13), protective device ontology (1) front surface be provided with control panel (6), liquid crystal display (8), USB interface (4) and thoroughly
Bright protective cover (3), the control panel (6), liquid crystal display (8) and USB interface (4) are located at transparent protective cover (3) inside, institute
It states protective device ontology (1) outer surface to be provided with protective jacket (2), the protective device ontology (1) is provided with connection in two sides up and down
Piece (5), protective device ontology (1) upside are provided with combined aural and visual alarm (10) and wireless signal transceiver (9), the protection
Device noumenon (1) rear surface is provided with gag lever post (16) and radiating ribs (14), and described gag lever post (16) one end is equipped with sucker
(15)。
2. a kind of earth leakage protective device of for transformer according to claim 1, it is characterised in that: the transparent protection
Cover (3) side and protective device ontology (1) hingedly, transparent protective cover (3) other side passes through safety lock (7) and protective device
Ontology (1) interlocking.
3. a kind of earth leakage protective device of for transformer according to claim 1, it is characterised in that: the gag lever post
(16) length is 5 centimetres, and the gag lever post (16) and sucker (15) are structure as a whole.
4. a kind of earth leakage protective device of for transformer according to claim 1, it is characterised in that: the pressing plate (13)
It is structure as a whole with adjusting screw rod (17), is provided with rubber layer on the inside of the pressing plate (13).
5. a kind of earth leakage protective device of for transformer according to claim 1, it is characterised in that: the protective jacket
It (2) is rubber sleeve, the protective jacket (2) is bonded on protective device ontology (1).
6. a kind of earth leakage protective device of for transformer according to claim 1, it is characterised in that: leakage current water conservancy diversion connects
Ground device includes a fixed bracket very ground connection guide rod, and fixed bracket is mounted on transformer shell bottom position, and ground connection is led
Bar is connected on fixed bracket by release motor rotation.
7. a kind of earth leakage protective device of for transformer according to claim 1, it is characterised in that: electric leakage acquisition device
Including at least three conductive members being evenly arranged around transformer case, each conductive member is separately connected electric leakage and adopts
The inductance sensor and current sensor of collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821182269.6U CN208596939U (en) | 2018-07-25 | 2018-07-25 | A kind of earth leakage protective device of for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821182269.6U CN208596939U (en) | 2018-07-25 | 2018-07-25 | A kind of earth leakage protective device of for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208596939U true CN208596939U (en) | 2019-03-12 |
Family
ID=65603680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821182269.6U Expired - Fee Related CN208596939U (en) | 2018-07-25 | 2018-07-25 | A kind of earth leakage protective device of for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208596939U (en) |
-
2018
- 2018-07-25 CN CN201821182269.6U patent/CN208596939U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190312 Termination date: 20210725 |
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| CF01 | Termination of patent right due to non-payment of annual fee |