CN201859768U - Current transformer with plug-in slots - Google Patents
Current transformer with plug-in slots Download PDFInfo
- Publication number
- CN201859768U CN201859768U CN2010205110908U CN201020511090U CN201859768U CN 201859768 U CN201859768 U CN 201859768U CN 2010205110908 U CN2010205110908 U CN 2010205110908U CN 201020511090 U CN201020511090 U CN 201020511090U CN 201859768 U CN201859768 U CN 201859768U
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- insulation board
- groove
- plug
- parallel
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Abstract
The utility model discloses a current transformer with plug-in slots, which comprises a casing, a primary coil, a secondary coil and an iron core. The current transformer is technically characterized in that at least two epoxide resin insulating plates are fixed on each of the upper end surface, the left end surface and the right end surface of the epoxide resin casing in parallel; the left ends of the two epoxide resin insulating plates arranged in parallel on the upper end surface of the casing are respectively and correspondingly connected with upper ends of the two epoxide resin insulating plates vertically arranged in parallel on the left end surface of the casing; the right ends of the two epoxide resin insulating plates arranged in parallel on the upper end surface of the casing are respectively and correspondingly connected with upper ends of the two epoxide resin insulating plates vertically arranged in parallel on the right end surface of the casing; and after the epoxide resin insulating plates arranged on the upper end surface, the left end surface and the right end surface of the casing are correspondingly connected, the plug in unit slots are formed. The current transformer has a simple structure, can be correspondingly plugged with plug-in units arranged in a switch cabinet, and is convenient to use; and the current transformer can reduce the volume of the switch cabinet when used in the switch cabinet, improves the insulating property, and reduces the arcing distance.
Description
Technical field
The utility model relates to a kind of instrument transformer, but specifically relates to the current transformer of arcing distance between a kind of reduction system three-phase.
Background technology
The primary winding of current transformer is connected in the power circuit, and the secondary coil of current transformer is connected to current measuring device, instrument or relay protection etc.Current transformer is the part of the switch cubicle of extensive use; for adapting to measurement, protection and the control of three-phase electricity; three current transformers are arranged in the switch cubicle casing; and be separately fixed on the switch cubicle cabinet wall; or be fixed on the current transformer support of special setting; be the arcing distance between the assurance three-phase, thereby make switch cubicle take greater room.
The utility model content
The purpose of this utility model provides a kind of current transformer with plug-in unit groove, and current transformer is easy for installation, because instrument transformer has the plug-in unit groove, can make the covering of insulating of three-phase electrified body, thereby the arcing distance between the three-phase is dwindled, it is little to take up room.The switch cubicle volume can be done forr a short time.Thereby make switch cubicle take littler space.
The technical scheme that adopts is:
A kind of current transformer with plug-in unit groove, comprise housing, primary winding, secondary coil and iron core, the primary winding winding is on skeleton, the secondary coil winding is on secondary skeleton, corresponding respectively skin of primary winding and secondary coil and internal layer are installed on the iron core, primary winding, secondary coil and iron core are by poured with epoxy resin structure in aggregates, and epoxy resin poured body is housing.
The said structure of current transformer is a known technology, technical characterstic of the present utility model is: secured in parallel has two epoxy resins insulation plates at least on upper surface, left side and the right side of epoxy resin housing, the left end of two epoxy resins insulation plates that be arranged in parallel on the housing upper surface respectively with the housing left side on the corresponding connection in upper end of two epoxy resins insulation plates that vertically be arranged in parallel, and be an overall structure; The right-hand member of two epoxy resins insulation plates that be arranged in parallel on the housing upper surface respectively with the housing right side on the corresponding connection in upper end of two epoxy resins insulation plates that vertically be arranged in parallel, and be an overall structure.
The corresponding back that is connected of the epoxy resins insulation plate that is provided with on housing upper surface, left side and the right side constitutes the plug-in unit groove.Utilize the electric insulation spare coupling of described plug-in unit groove and corollary apparatus to peg graft, carry out electric insulation and cover.
The utility model is simple in structure, can with the corresponding grafting of plug connector that is provided with in the switch cubicle, easy to use; Be used for to reduce the switch cubicle volume in the switch cubicle, improve insulation property, dwindle arcing distance.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the vertical view of Fig. 1.
Fig. 4 is the right view of Fig. 1.
Embodiment
A kind of current transformer with plug-in unit groove, comprise housing 19, primary winding, secondary coil and iron core, corresponding skin of primary winding and secondary coil and internal layer are installed on the iron core, primary winding, secondary coil and iron core poured with epoxy resin structure in aggregates, epoxy resin poured body is housing 19; The two ends of primary winding are connected with two corresponding wiring terminal on the housing 19 respectively, the two ends of secondary coil respectively be arranged on housing 19 on the secondary terminal board in corresponding wiring terminal be connected, it is characterized in that:
Two groups of plug-in unit grooves are arranged on the upper surface of housing 19, and first group of plug-in unit groove is made of first insulation board 1 that be arranged in parallel and second insulation board 2, is first groove 3 between first insulation board 1 and second insulation board 2; Second group of plug-in unit groove is made of the 3rd insulation board 4 that be arranged in parallel and the 4th insulation board 5, is second groove 6 between the 3rd insulation board 4 and the 4th insulation board 5;
The 3rd group of plug-in unit groove and the 4th group of plug-in unit groove are arranged on the right side of housing 19; The 3rd group of plug-in unit groove is made of pentasyllabic quatrain listrium 7 that vertically be arranged in parallel and the 6th insulation board 8, is the 3rd groove 9 between pentasyllabic quatrain listrium 7 and the 6th insulation board 8; The 4th group of plug-in unit groove is made of four-line poem with seven characters to a line listrium 10 that vertically be arranged in parallel and the 8th insulation board 11, is the 4th groove 12 between four-line poem with seven characters to a line listrium 10 and the 8th insulation board 11; The width of described first groove 3 and the 3rd groove 9 equates; Fixedlying connected with second insulation board, 2 right-hand members in described pentasyllabic quatrain listrium 7 upper ends, and is an overall structure; Fixedlying connected with the right-hand member of first insulation board 1 in the upper end of described the 6th insulation board 8, and is an overall structure; Fixedlying connected with the right-hand member of the 3rd insulation board 4 in the upper end of described four-line poem with seven characters to a line listrium 10, and is an overall structure; Fixedlying connected with the right-hand member of the 4th insulation board 5 in the upper end of described the 8th insulation board 11, and is an overall structure; Described the 3rd groove 9 is identical with the width of second groove 6;
The 5th group of plug-in unit groove and the 6th group of plug-in unit groove are arranged on the left side of housing 19; The 5th group of plug-in unit groove is made of the 9th insulation board 13 that vertically be arranged in parallel and the tenth insulation board 14, is the 5th groove 15 between the 9th insulation board 13 and the tenth insulation board 14; Described the 6th group of plug-in unit groove is made of the 11 insulation board 16 and the 12 insulation board 17 that vertically be arranged in parallel, is the 6th groove 18 between the 11 insulation board 16 and the 12 insulation board 17;
Fixedlying connected with the left end of first insulation board 1 in the upper end of described the 9th insulation board 13, and is an overall structure; Fixedlying connected with the left end of second insulation board 2 in the upper end of described the tenth insulation board 14, and is an overall structure, and the 5th groove 15 is identical with the width of first groove 3; Fixedly connected with the left end of the 4th insulation board 5 in the upper end of described the 12 insulation board 17, and be an overall structure, fixedlying connected with the left end of the 3rd insulation board 4 in the upper end of described the 11 insulation board 16, and is an overall structure, and the width of described the 6th groove 18 is identical with the width of second groove 6.
Above-mentioned each insulation board is made by poured with epoxy resin, and with housing 19 be an overall structure.
Claims (1)
1. current transformer with plug-in unit groove, comprise housing (19), primary winding, secondary coil and iron core, corresponding skin of primary winding and secondary coil and internal layer are installed on the iron core, primary winding, secondary coil and iron core poured with epoxy resin structure in aggregates, epoxy resin poured body is housing (19); The two ends of primary winding are connected with two corresponding wiring terminal on the housing (19) respectively, the two ends of secondary coil respectively be arranged on housing (19) on the secondary terminal board in corresponding wiring terminal be connected, it is characterized in that:
Two groups of plug-in unit grooves are arranged on the upper surface of housing (19), and first group of plug-in unit groove is made of first insulation board (1) that be arranged in parallel and second insulation board (2), is first groove (3) between first insulation board (1) and second insulation board (2); Second group of plug-in unit groove is made of the 3rd insulation board (4) that be arranged in parallel and the 4th insulation board (5), is second groove (6) between the 3rd insulation board (4) and the 4th insulation board (5);
The 3rd group of plug-in unit groove and the 4th group of plug-in unit groove are arranged on the right side of housing (19); The 3rd group of plug-in unit groove is made of pentasyllabic quatrain listrium (7) that vertically be arranged in parallel and the 6th insulation board (8), is the 3rd groove (9) between pentasyllabic quatrain listrium (7) and the 6th insulation board (8); The 4th group of plug-in unit groove is made of four-line poem with seven characters to a line listrium (10) that vertically be arranged in parallel and the 8th insulation board (11), is the 4th groove (12) between four-line poem with seven characters to a line listrium (10) and the 8th insulation board (11); The width of described first groove (3) and the 3rd groove (9) equates; Fixedlying connected with second insulation board (2) right-hand member in described pentasyllabic quatrain listrium (7) upper end, and is an overall structure; Fixedlying connected with the right-hand member of first insulation board (1) in the upper end of described the 6th insulation board (8), and is an overall structure; Fixedlying connected with the right-hand member of the 3rd insulation board (4) in the upper end of described four-line poem with seven characters to a line listrium (10), and is an overall structure; Fixedlying connected with the right-hand member of the 4th insulation board (5) in the upper end of described the 8th insulation board (11), and is an overall structure; Described the 3rd groove (9) is identical with the width of second groove (6);
The 5th group of plug-in unit groove and the 6th group of plug-in unit groove are arranged on the left side of housing (19); The 5th group of plug-in unit groove is made of the 9th insulation board (13) that vertically be arranged in parallel and the tenth insulation board (14), is the 5th groove (15) between the 9th insulation board (13) and the tenth insulation board (14); Described the 6th group of plug-in unit groove is made of the 11 insulation board (16) that vertically be arranged in parallel and the 12 insulation board (17), is the 6th groove (18) between the 11 insulation board (16) and the 12 insulation board (17);
Fixedlying connected with the left end of first insulation board (1) in the upper end of described the 9th insulation board (13), and is an overall structure; Fixedlying connected with the left end of second insulation board (2) in the upper end of described the tenth insulation board (14), and is an overall structure, and the 5th groove (15) is identical with the width of first groove (3); Fixedly connected with the left end of the 4th insulation board (5) in the upper end of described the 12 insulation board (17), and be an overall structure, fixedly connected with the left end of the 3rd insulation board (4) in the upper end of described the 11 insulation board (16), and be an overall structure, the width of described the 6th groove (18) is identical with the width of second groove (6);
Above-mentioned each insulation board is made by poured with epoxy resin, and with housing (19) be an overall structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205110908U CN201859768U (en) | 2010-08-31 | 2010-08-31 | Current transformer with plug-in slots |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205110908U CN201859768U (en) | 2010-08-31 | 2010-08-31 | Current transformer with plug-in slots |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201859768U true CN201859768U (en) | 2011-06-08 |
Family
ID=44105569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205110908U Expired - Fee Related CN201859768U (en) | 2010-08-31 | 2010-08-31 | Current transformer with plug-in slots |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201859768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611803A (en) * | 2017-11-03 | 2018-01-19 | 黄在先 | A kind of insulator spacer |
-
2010
- 2010-08-31 CN CN2010205110908U patent/CN201859768U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611803A (en) * | 2017-11-03 | 2018-01-19 | 黄在先 | A kind of insulator spacer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110608 Termination date: 20150831 |
|
| EXPY | Termination of patent right or utility model |