CN108931675A - Multi-functional high-power transformer partial discharge test shielding case - Google Patents
Multi-functional high-power transformer partial discharge test shielding case Download PDFInfo
- Publication number
- CN108931675A CN108931675A CN201710388493.4A CN201710388493A CN108931675A CN 108931675 A CN108931675 A CN 108931675A CN 201710388493 A CN201710388493 A CN 201710388493A CN 108931675 A CN108931675 A CN 108931675A
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- Prior art keywords
- partial discharge
- discharge test
- shielding case
- power transformer
- cover
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/18—Screening arrangements against electric or magnetic fields, e.g. against earth's field
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The present invention provides a kind of multi-functional high-power transformer partial discharge test shielding case, including cover, plumb joint, copper wire, collet, hand hole, bayonet, board plug structure, seal door structure, connecting hole and installation cover structure, one end of the copper wire are welded on the top of cover inner wall by plumb joint, and the other end is connect with collet；The hand hole is provided with the top of cover front surface.Beneficial effects of the present invention are：Pass through the setting of board plug structure, the size of string holes lower part can easily be adjusted, be conducive to pass through the high-power transformer partial discharge test shielding case suitable for the electric wire of different thicknesses, pass through the setting of seal door structure, be conducive to increase the leakproofness of the high-power transformer partial discharge test shielding case, by the setting for installing cover structure, be conducive to more convenient installation high-power transformer partial discharge test shielding case, while being also applied for the structure of the high-power transformer partial discharge test of different height.
Description
Technical field
The invention belongs to electric power applied technical field more particularly to a kind of multi-functional high-power transformer partial discharge tests
Shielding case.
Background technique
In recent years, electric system is configured with the substation of many large sizes.Transformer is as composition important in electric system
Part, how is operation conditions, and the operational safety of the entire electric system of direct relation will cause great warp once accident occurs
Ji loss, can also bring interruption to society's electricity consumption.Partial discharge test is the main experimental project of transformer performance, it is mainly examined
Inside transformer is looked into, the non-through electric discharge phenomena occurred due to the weak place of insulation.It will not make the insulation of electrical equipment
Property punctured immediately, but because it generate physics and chemical reaction, insulation defect can be made constantly to expand, so cause insulation hit
It wears, the prior art is a kind of high-power transformer partial discharge test shielding case that China Patent Publication No. is 201410615212.0
Used technical solution is：Including shielding case, clip and bushing shell for transformer, U-shaped shielding case, screen is arranged in bushing shell for transformer top
It covers pad bare copper wire in top in cover and connects clip；Hand hole is arranged in side wall, has the electric discharge for preventing generating due to breakdown air
The advantages of amount is mixed into measured value, plays the role of electric fields uniform distribution.
But there is also be inconvenient to install, be inconvenient to make for existing high-power transformer partial discharge test shielding case
Thick electric wire passes through and the problem of poor sealing effect.
Therefore, a kind of multi-functional high-power transformer partial discharge test shielding case is invented to be very necessary.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of multi-functional high-power transformer partial discharge tests to shield
Cover, is inconvenient to install, is inconvenient to pass through thick electric wire to solve existing high-power transformer partial discharge test shielding case
And the problem of poor sealing effect.A kind of multi-functional high-power transformer partial discharge test shielding case, including cover, plumb joint,
Copper wire, collet, hand hole, bayonet, board plug structure, seal door structure, connecting hole and installation cover structure, one end of the copper wire are logical
The top that plumb joint is welded on cover inner wall is crossed, the other end is connect with collet；The hand hole is provided with the upper of cover front surface
Portion；The bayonet is provided with the left side of hand hole；The board plug structure is respectively welded at the lower part of cover outer wall；Described is close
Closure door structure hinge is mounted on the left side of hand hole；The connecting hole is provided with the lower part of cover respectively；The mounting cup knot
Structure is threaded in the bottom of cover inner wall；The board plug structure includes the first plug socket, the second plug socket, plate, knob
And string holes, first plug socket and the second plug socket are respectively welded at the lower part of cover outer wall；The plate is plugged on
The inside of first plug socket and the second plug socket；The knob is welded on the top of plate；The string holes is provided with plate
The lower part of front surface.
Preferably, the seal door structure includes hermatic door, hinge, observation window, handle and fixture block, the observation window
It is mounted on the intermediate position of hermatic door front surface；The handle is welded on the right side at hermatic door rear portion；The fixture block installation
On the right side of hermatic door front surface.
Preferably, the installation cover structure includes shield, connector and branch fastener, and the connector is pasted onto anti-
The top of shield；The branch fastener is pasted onto the lower part of shield.
Preferably, the plate specifically uses aluminium alloy plate, and the plate is plugged on the first plug socket and second and inserts
The inside of joint chair.
Preferably, the string holes and connecting hole face are arranged.
Preferably, the hermatic door is mounted on the left side of hand hole by hinge bolt.
Preferably, the observation window specifically uses toughened glass window.
Preferably, the fixture block and bayonet connection.
Preferably, the shield specifically uses PVC plastic cover, and the shield is threaded in by connector
The lower part of cover.
Compared with prior art, the present invention has the advantages that：Due to the multi-functional large-scale change of one kind of the invention
Depressor partial discharge test shielding case is widely used in multi-functional high-power transformer partial discharge test shielding case technical field.
Meanwhile beneficial effects of the present invention are：
1. in the present invention, the plate specifically uses aluminium alloy plate, the plate is plugged on the first plug socket and
The inside of two plug sockets can easily adjust the size of string holes lower part, be conducive to pass through suitable for the electric wire of different thicknesses and be somebody's turn to do
High-power transformer partial discharge test shielding case.
2. in the present invention, the string holes and connecting hole face are arranged, and be conducive to keep electric wire more accurate passes through connection
Hole and board plug structure.
3. in the present invention, the hermatic door is mounted on the left side of hand hole by hinge bolt, be conducive to increase the large size
The leakproofness of Existing during Partial Discharge Test for Transformer shielding case.
4. in the present invention, the observation window specifically uses toughened glass window, be conducive to more convenient observation large size
Situation in Existing during Partial Discharge Test for Transformer shielding case.
5. in the present invention, the fixture block and bayonet connection are beneficial to prevent hermatic door and easily open.
6. in the present invention, the shield specifically uses PVC plastic cover, the shield is connected by connection head thread
It connects and is conducive to more convenient installation high-power transformer partial discharge test shielding case in the lower part of cover, be also suitable simultaneously
In the structure of the high-power transformer partial discharge test of different height.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of board plug structure of the invention.
Fig. 3 is the structural schematic diagram of seal door structure of the invention.
Fig. 4 is the structural schematic diagram of installation cover structure of the invention.
In figure：
1- cover, 2- plumb joint, 3- copper wire, 4- collet, 5- hand hole, 6- bayonet, 7- board plug structure, the first plug socket of 71-,
The second plug socket of 72-, 73- plate, 74- knob, 75- string holes, 8- seal door structure, 81- hermatic door, 82- hinge, 83- observation
Window, 84- handle, 85- fixture block, 9- connecting hole, 10- install cover structure, 101- shield, 102- connector, 103- branch fastener.
Specific embodiment
The present invention is described further below in conjunction with attached drawing：
Embodiment：
As shown in attached drawing 1 to attached drawing 4
The present invention provides a kind of multi-functional high-power transformer partial discharge test shielding case, including cover 1, plumb joint 2,
Copper wire 3, collet 4, hand hole 5, bayonet 6, board plug structure 7, seal door structure 8, connecting hole 9 and installation cover structure 10, the copper
One end of line 3 is welded on the top of 1 inner wall of cover by plumb joint 2, and the other end is connect with collet 4；The hand hole 5 is provided with
The top of 1 front surface of cover；The bayonet 6 is provided with the left side of hand hole 5；The board plug structure 7 is respectively welded at cover 1
The lower part of outer wall；8 hinge of seal door structure is mounted on the left side of hand hole 5；The connecting hole 9 is provided with cover respectively
1 lower part；The installation cover structure 10 is threaded in the bottom of 1 inner wall of cover；The board plug structure 7 includes first slotting
Joint chair 71, the second plug socket 72, plate 73, knob 74 and string holes 75, first plug socket 71 and the second plug socket 72 divide
It is not welded on the lower part of 1 outer wall of cover；The plate 73 is plugged on the inside of the first plug socket 71 and the second plug socket 72；Institute
The knob 74 stated is welded on the top of plate 73；The string holes 75 is provided with the lower part of 73 front surface of plate.
In above-described embodiment, specifically, the seal door structure 8 includes hermatic door 81, hinge 82, observation window 83, hand
Handle 84 and fixture block 85, the observation window 83 are mounted on the intermediate position of 81 front surface of hermatic door；The handle 84 is welded on
The right side at 81 rear portion of hermatic door；The fixture block 85 is mounted on the right side of 81 front surface of hermatic door.
In above-described embodiment, specifically, the installation cover structure 10 includes shield 101, connector 102 and branch fastener
103, the connector 102 is pasted onto the top of shield 101；The branch fastener 103 is pasted under shield 101
Portion.
In above-described embodiment, specifically, the plate 73 specifically uses aluminium alloy plate, the plate 73 is plugged on the
The inside of one plug socket 71 and the second plug socket 72 can easily adjust the size of 75 lower part of string holes, be conducive to be suitable for not
Electric wire with thickness passes through the high-power transformer partial discharge test shielding case.
In above-described embodiment, specifically, the string holes 75 and 9 face of connecting hole are arranged, be conducive to keep electric wire more smart
Quasi- passes through connecting hole 9 and board plug structure 7.
In above-described embodiment, specifically, the hermatic door 81 is mounted on the left side of hand hole 5 by 82 bolt of hinge, have
Conducive to the leakproofness for increasing the high-power transformer partial discharge test shielding case.
In above-described embodiment, specifically, the observation window 83 specifically uses toughened glass window, be conducive to more convenient
Observe the situation in the high-power transformer partial discharge test shielding case.
In above-described embodiment, specifically, the fixture block 85 is connect with bayonet 6, it is beneficial to prevent hermatic door 81 easily
It opens.
In above-described embodiment, specifically, the shield 101 specifically uses PVC plastic cover, the shield 101
It is threaded in the lower part of cover 1 by connector 102, is conducive to the examination of more convenient installation high-power transformer shelf depreciation
Shielding case is tested, while being also applied for the structure of the high-power transformer partial discharge test of different height.
Working principle
The working principle of the invention：Installation cover structure 10 is first threaded in the lower part of cover 1, this then is being installed greatly
Type Existing during Partial Discharge Test for Transformer shielding case, when need different thicknesses electric wire pass through the high-power transformer partial discharge test screen
When covering cover, knob can be held and 74 plate 73 is pulled upwardly to and is adjusted the size of 75 lower part of string holes, when being installed the large size
After Existing during Partial Discharge Test for Transformer shielding case, holds handle 84 and fix hermatic door 81 by fixture block 85 and bayonet 6.
Using technical solutions according to the invention or those skilled in the art under the inspiration of technical solution of the present invention,
Similar technical solution is designed, and reaches above-mentioned technical effect, is to fall into protection scope of the present invention.
Claims (9)
1. a kind of multi-functional high-power transformer partial discharge test shielding case, which is characterized in that the multi-functional large-scale transformation
Device partial discharge test shielding case, including cover (1), plumb joint (2), copper wire (3), collet (4), hand hole (5), bayonet (6) are inserted
Hardened structure (7), seal door structure (8), connecting hole (9) and installation cover structure (10), one end of the copper wire (3) passes through welding
Head (2) is welded on the top of cover (1) inner wall, and the other end is connect with collet (4)；The hand hole (5) is being provided with cover (1) just
The top on surface；The bayonet (6) is provided with the left side of hand hole (5)；The board plug structure (7) is respectively welded at cover
(1) lower part of outer wall；Described seal door structure (8) hinge is mounted on the left side of hand hole (5)；The connecting hole (9) is respectively
It is provided with the lower part of cover (1)；The installation cover structure (10) is threaded in the bottom of cover (1) inner wall；Described inserts
Hardened structure (7) includes the first plug socket (71), and the second plug socket (72), plate (73), shake hands (74) and string holes (75) are described
First plug socket (71) and the second plug socket (72) are respectively welded at the lower part of cover (1) outer wall；Described plate (73) grafting
In the inside of the first plug socket (71) and the second plug socket (72)；The knob (74) is welded on the top of plate (73)；Institute
The string holes (75) stated is provided with the lower part of plate (73) front surface.
2. multi-functional high-power transformer partial discharge test shielding case as described in claim 1, which is characterized in that described
Seal door structure (8) includes hermatic door (81), hinge (82), observation window (83), handle (84) and fixture block (85), the observation
Window (83) is mounted on the intermediate position of hermatic door (81) front surface；The handle (84) is welded on the right side at hermatic door (81) rear portion
Side；The fixture block (85) is mounted on the right side of hermatic door (81) front surface.
3. multi-functional high-power transformer partial discharge test shielding case as described in claim 1, which is characterized in that described
Installation cover structure (10) includes shield (101), connector (102) and branch fastener (103), and the connector (102) is pasted
At the top of shield (101)；The branch fastener (103) is pasted onto the lower part of shield (101).
4. multi-functional high-power transformer partial discharge test shielding case as described in claim 1, which is characterized in that described
Plate (73) specifically uses aluminium alloy plate, and the plate (73) is plugged on the first plug socket (71) and the second plug socket (72)
Inside.
5. multi-functional high-power transformer partial discharge test shielding case as described in claim 1, which is characterized in that described
String holes (75) and connecting hole (9) face are arranged.
6. multi-functional high-power transformer partial discharge test shielding case as claimed in claim 2, which is characterized in that described
Hermatic door (81) is mounted on the left side of hand hole (5) by hinge (82) bolt.
7. multi-functional high-power transformer partial discharge test shielding case as claimed in claim 2, which is characterized in that described
Observation window (83) specifically uses toughened glass window.
8. multi-functional high-power transformer partial discharge test shielding case as claimed in claim 2, which is characterized in that described
Fixture block (85) is connect with bayonet (6).
9. multi-functional high-power transformer partial discharge test shielding case as claimed in claim 3, which is characterized in that described
Shield (101) specifically uses PVC plastic cover, and the shield (101) is threaded in cover by connector (102)
(1) lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710388493.4A CN108931675A (en) | 2017-05-27 | 2017-05-27 | Multi-functional high-power transformer partial discharge test shielding case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710388493.4A CN108931675A (en) | 2017-05-27 | 2017-05-27 | Multi-functional high-power transformer partial discharge test shielding case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108931675A true CN108931675A (en) | 2018-12-04 |
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ID=64451643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710388493.4A Pending CN108931675A (en) | 2017-05-27 | 2017-05-27 | Multi-functional high-power transformer partial discharge test shielding case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108931675A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113130191A (en) * | 2019-12-31 | 2021-07-16 | 济南西门子变压器有限公司 | Breakdown prevention device and reactor thereof |
-
2017
- 2017-05-27 CN CN201710388493.4A patent/CN108931675A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113130191A (en) * | 2019-12-31 | 2021-07-16 | 济南西门子变压器有限公司 | Breakdown prevention device and reactor thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181204 |