CN204390822U - AC three-phase combined arrester on motor - Google Patents
AC three-phase combined arrester on motor Download PDFInfo
- Publication number
- CN204390822U CN204390822U CN201520034712.5U CN201520034712U CN204390822U CN 204390822 U CN204390822 U CN 204390822U CN 201520034712 U CN201520034712 U CN 201520034712U CN 204390822 U CN204390822 U CN 204390822U
- Authority
- CN
- China
- Prior art keywords
- phase
- lightning arrester
- arrester
- phase lightning
- motor according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 239000004593 Epoxy Substances 0.000 claims description 26
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 229920006305 unsaturated polyester Polymers 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 239000011152 fibreglass Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Thermistors And Varistors (AREA)
Abstract
The utility model discloses a kind of AC three-phase combined arrester on motor, comprise A phase lightning arrester, B phase lightning arrester and C phase lightning arrester, also comprise supporting steel plate 1, described A phase lightning arrester, B phase lightning arrester are connected with the upper surface of supporting steel plate 1 respectively with the lower end of C phase lightning arrester, and described A phase lightning arrester, B phase lightning arrester and C phase lightning arrester form Y by alternate wire successively and be connected.Described A phase lightning arrester, B phase lightning arrester are identical with the structure of C phase lightning arrester.The beneficial effects of the utility model are, dependable performance, use safety.
Description
Technical field
The utility model relates to lightning arrester application, particularly a kind of AC three-phase combined arrester on motor.
Background technology
Composite type porcelain-clad metal oxide lightning arrester is after coming out the eighties; at home and abroad achieved into operation test; when being particularly applied in the operation of high-tension motor in overvoltage protection, effectively protect the destruction that between alternate and phase and ground, overvoltage causes electrical machine insulation.But because it is bulky, particularly in switch cubicle, difficulty is installed, because limit its application.
Utility model content
The purpose of this utility model is to solve the problem, and devises a kind of AC three-phase combined arrester on motor.
Realizing above-mentioned purpose the technical solution of the utility model is, a kind of AC three-phase combined arrester on motor, comprise A phase lightning arrester, B phase lightning arrester and C phase lightning arrester, also comprise supporting steel plate 1, described A phase lightning arrester, B phase lightning arrester are connected with the upper surface of supporting steel plate 1 respectively with the lower end of C phase lightning arrester, and described A phase lightning arrester, B phase lightning arrester and C phase lightning arrester form Y by alternate wire successively and be connected.
Described A phase lightning arrester, B phase lightning arrester are identical with the structure of C phase lightning arrester.
Described A phase lightning arrester, B phase lightning arrester and C phase lightning arrester are all jointly be made up of housing 2, the insulating case 3 be arranged in housing 2, the epoxy tube 4 be arranged in insulating case 3, the top electrode 5 being arranged on epoxy tube 4 upper end, the bottom electrode 6 being arranged on epoxy tube 4 lower end and the conductive unit be arranged in epoxy tube 4.
Described conductive unit is jointly made up of with the connector being connected top electrode 5, multiple resistor disc 8 and bottom electrode 6 successively the insulating rod 7 be arranged in epoxy tube 4, the multiple parallel resistor disc 8 be sleeved on insulating rod 7, the insulation spacer 9 be inserted on insulating rod 7 between adjacent two resistor discs 8.
Described epoxy tube 4 is epoxy fibreglass stringing.
Described resistor disc 8 is zinc oxide resistance sheet.
Described top electrode 5 and bottom electrode 6 are metal electrode.
Described insulating case 3 is unsaturated polyester (UP) BMC insulating case.
Described housing 2 is full skirt shape structure.
The AC three-phase combined arrester on motor utilizing the technical solution of the utility model to make, explosion-proof performance is good, easy for installation, and floor space is little.
Accompanying drawing explanation
Fig. 1 is the structural representation of the AC three-phase combined arrester on motor described in the utility model;
In figure, 1, supporting steel plate; 2, housing; 3, insulating case; 4, epoxy tube; 5, top electrode; 6, bottom electrode; 7, insulating rod; 8, resistor disc; 9, insulation spacer.
Embodiment
Below in conjunction with accompanying drawing, the utility model is specifically described, as the structural representation that Fig. 1 is the AC three-phase combined arrester on motor described in the utility model, as shown in the figure, realizing above-mentioned purpose the technical solution of the utility model is, a kind of AC three-phase combined arrester on motor, comprise A phase lightning arrester, B phase lightning arrester and C phase lightning arrester, also comprise supporting steel plate 1, described A phase lightning arrester, B phase lightning arrester is connected with the upper surface of supporting steel plate 1 respectively with the lower end of C phase lightning arrester, described A phase lightning arrester, B phase lightning arrester and C phase lightning arrester form Y by alternate wire successively and are connected.Wherein, described A phase lightning arrester, B phase lightning arrester are identical with the structure of C phase lightning arrester; Described A phase lightning arrester, B phase lightning arrester and C phase lightning arrester are all jointly be made up of housing 2, the insulating case 3 be arranged in housing 2, the epoxy tube 4 be arranged in insulating case 3, the top electrode 5 being arranged on epoxy tube 4 upper end, the bottom electrode 6 being arranged on epoxy tube 4 lower end and the conductive unit be arranged in epoxy tube 4; Described conductive unit is jointly made up of with the connector being connected top electrode 5, multiple resistor disc 8 and bottom electrode 6 successively the insulating rod 7 be arranged in epoxy tube 4, the multiple parallel resistor disc 8 be sleeved on insulating rod 7, the insulation spacer 9 be inserted on insulating rod 7 between adjacent two resistor discs 8; Described epoxy tube 4 is epoxy fibreglass stringing; Described resistor disc 8 is zinc oxide resistance sheet; Described top electrode 5 and bottom electrode 6 are metal electrode; Described insulating case 3 is unsaturated polyester (UP) BMC insulating case; Described housing 2 is full skirt shape structure.
The feature of the technical program is described A phase lightning arrester, B phase lightning arrester is connected with the upper surface of supporting steel plate respectively with the lower end of C phase lightning arrester, described A phase lightning arrester, B phase lightning arrester and C phase lightning arrester form Y by alternate wire successively and are connected, described A phase lightning arrester, B phase lightning arrester is identical with the structure of C phase lightning arrester, described A phase lightning arrester, B phase lightning arrester and C phase lightning arrester are all by housing, be arranged on the insulating case in housing, be arranged on the epoxy tube in insulating case, be arranged on the top electrode of epoxy tube upper end, the bottom electrode 6 and the conductive unit be arranged in epoxy tube that are arranged on epoxy tube lower end are formed jointly.
In the technical program; lightning arrester three-phase high-voltage terminates in phase line; be connected by alternate wire in the middle part of three lightning arresters, form Y and connect, form complete phase-phase; the protection system on ground-ground; when there is the overvoltage atmospheric over-voltage jeopardizing insulation of electrical installation in operating, due to the effect of metal oxide varistors sheet, limit the voltage on protected electric equipment; thus better improve the performance of lightning arrester, protect electric power facility
Technique scheme only embodies the optimal technical scheme of technical solutions of the utility model; those skilled in the art all embody principle of the present utility model to some variations that wherein some part may be made, and belong within protection range of the present utility model.
Claims (9)
1. the AC three-phase combined arrester on motor, comprise A phase lightning arrester, B phase lightning arrester and C phase lightning arrester, it is characterized in that, also comprise supporting steel plate (1), described A phase lightning arrester, B phase lightning arrester are connected with the upper surface of supporting steel plate (1) respectively with the lower end of C phase lightning arrester, and described A phase lightning arrester, B phase lightning arrester and C phase lightning arrester form Y by alternate wire successively and be connected.
2. the AC three-phase combined arrester on motor according to claim 1, is characterized in that, described A phase lightning arrester, B phase lightning arrester are identical with the structure of C phase lightning arrester.
3. the AC three-phase combined arrester on motor according to claim 1, it is characterized in that, described A phase lightning arrester, B phase lightning arrester and C phase lightning arrester are all jointly be made up of housing (2), the insulating case (3) be arranged in housing (2), the epoxy tube (4) be arranged in insulating case (3), the top electrode (5) being arranged on epoxy tube (4) upper end, the bottom electrode (6) being arranged on epoxy tube (4) lower end and the conductive unit be arranged in epoxy tube (4).
4. the AC three-phase combined arrester on motor according to claim 3, it is characterized in that, described conductive unit is by the insulating rod (7) be arranged in epoxy tube (4), the multiple parallel resistor disc (8) be sleeved on insulating rod (7), is inserted into the insulation spacer (9) be positioned between adjacent two resistor discs (8) on insulating rod (7) and jointly forms with the connector being connected top electrode (5), multiple resistor disc (8) and bottom electrode (6) successively.
5. the AC three-phase combined arrester on motor according to claim 3, is characterized in that, described epoxy tube (4) is epoxy fibreglass stringing.
6. the AC three-phase combined arrester on motor according to claim 4, is characterized in that, described resistor disc (8) is zinc oxide resistance sheet.
7. the AC three-phase combined arrester on motor according to claim 3, is characterized in that, described top electrode (5) and bottom electrode (6) are metal electrode.
8. the AC three-phase combined arrester on motor according to claim 3, is characterized in that, described insulating case (3) is unsaturated polyester (UP) BMC insulating case.
9. the AC three-phase combined arrester on motor according to claim 3, is characterized in that, described housing (2) is full skirt shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520034712.5U CN204390822U (en) | 2015-01-19 | 2015-01-19 | AC three-phase combined arrester on motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520034712.5U CN204390822U (en) | 2015-01-19 | 2015-01-19 | AC three-phase combined arrester on motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204390822U true CN204390822U (en) | 2015-06-10 |
Family
ID=53363520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520034712.5U Expired - Fee Related CN204390822U (en) | 2015-01-19 | 2015-01-19 | AC three-phase combined arrester on motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204390822U (en) |
-
2015
- 2015-01-19 CN CN201520034712.5U patent/CN204390822U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20180119 |