CN205123094U - Voltage transformer cabinet - Google Patents
Voltage transformer cabinet Download PDFInfo
- Publication number
- CN205123094U CN205123094U CN201521007882.0U CN201521007882U CN205123094U CN 205123094 U CN205123094 U CN 205123094U CN 201521007882 U CN201521007882 U CN 201521007882U CN 205123094 U CN205123094 U CN 205123094U
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- Prior art keywords
- voltage transformer
- cabinet
- dynamic
- static contact
- dolly
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Abstract
The utility model discloses a voltage transformer cabinet, include: the cabinet is personally experienced sth. Part of the body and is installed at internal dolly, voltage transformer, post insulators, connection copper bar and hot plate and the sound contact of cabinet, wherein, voltage transformer and post insulators install on the dolly to link to each other through the high -tension fuse, the one end setting of sound contact on post insulators, the other end with be connected the copper bar and link to each other, the junction cover of sound contact is equipped with the sleeve pipe that increases creepage distance. Just so the too short sparking phenomenon that leads to because of creepage distance can have effectually been solved.
Description
Technical field
The utility model is involved in electric power system power plant or transformer station's main equipment technical field, specifically a kind of voltage transformer cabinet.
Background technology
Voltage transformer is called for short the voltage that voltage transformer is used on conversion line, the object of its voltage of transformation is mainly used for powering to measuring instrument and protective relaying device, be used for the voltage of measurement circuitry, power and electric energy or the expensive equipment that is used for when line failure in protection circuit, as: motor and transformer etc.; Therefore, voltage transformer we production, life play a part very important.
At present, in coastal area, sultry rainy, weather is main mainly with overcast and rainy humidity.Therefore, generator outlet voltage transformer cabinet very easily causes cabinet internal partition condensation voltage transformer cabinet contact position to discharge, and has a strong impact on the safe operation of unit.Because wall bushing creepage distance is little after poor sealing causes cabinet internal partition condensation to make moist, discharged in contact position; Because of dynamic/static contact loose contact, cause voltage fluctuation, also due to generator outlet voltage transformer ageing equipment, the class of insulation is lower, has a strong impact on the safe operation of unit.
Patent document immediate with the utility model, application number: 201320811337.1, a kind of voltage transformer cabinet, installs a voltage transformer in a cabinet; Comprise cabinet and be arranged on cabinet inner rocker arm pull-out type dolly, voltage transformer, high-tension fuse and insulator; The voltage transformer of fastening dynamic/static contact and insulator are arranged on rocking arm pull-out type dolly; Quincunx dynamic/static contact is installed in the upper end of the insulator of fastening dynamic/static contact, and one end of the quincunx dynamic/static contact of fastening dynamic/static contact is connected with voltage transformer by high-tension fuse, and the other end contacts with copper bar; The base plate of fastening dynamic/static contact cabinet is provided with travel switch and heating plate; The madial wall of the cabinet of fastening dynamic/static contact is provided with a greenhouse controller.Although the base plate of program cabinet adds heating plate, decrease condensation, because insulated part surface attachment is filthy, insulated part dielectric strength declines still can produce spark phenomenon.
Given this utility model is proposed.
Utility model content
The purpose of this utility model, for overcoming the deficiencies in the prior art, provides a kind of voltage transformer cabinet, and when solving because of use wall bushing, creepage distance is the spark phenomenon produced not, and also solving dolly rocks problem simultaneously, thus improves the security of operation of unit.
In order to realize this object, the utility model adopts following technical scheme: a kind of voltage transformer cabinet, and described voltage transformer cabinet comprises: cabinet (101) and be arranged on dolly (102) in cabinet (101), voltage transformer (103), post insulator (104), dynamic/static contact (105) and be connected copper bar (107) and heating plate (109); Wherein, described voltage transformer (103) and described post insulator (104) are arranged on described dolly (102), and are connected by high-tension fuse; One end of described dynamic/static contact (105) is arranged on described post insulator (104), and the other end is connected with the described copper bar (107) that is connected; The junction of described dynamic/static contact (105) is arranged with the sleeve pipe (106) increasing creepage distance.
As preferably, the sleeve pipe (106) of described increase creepage distance climbs sleeve pipe for increasing, and the junction that casing pipe sleeve is located at described dynamic/static contact (105) two ends is climbed in described increasing.
As preferably, the sleeve pipe (106) of described increase creepage distance comprises, insulating sleeve and insulated terminal, wherein, described insulating sleeve is set in the junction at described dynamic/static contact (105) two ends, and described insulated terminal is distributed in the outer wall of described insulating sleeve.
As preferably, described insulated terminal is also arranged with creeping-increasing skirt.
As preferably, in described cabinet (101), be also provided with the keeper (108) of fixing described dolly (102).
As preferably, described keeper (108) is arranged on the both sides of described dolly (102), and wherein, described keeper (108) is alignment pin, bolt or spacer.
As preferably, described keeper (108) is formed on the track of described dolly (102), and wherein, described keeper (108) is location fin or detent.
As preferably, described connection copper bar (107) has three links at least, one link is connected with the isolated-phase enclosed bus of cabinet (101) outside, and other link is connected with dynamic/static contact (105), and the extension direction of other link is identical.
As preferably, described heating plate (109) is arranged on the side plate of described cabinet (101).
As preferably, described dynamic/static contact (105) is: wedging shape contact, plug-in type contact or sliding contact.
After adopting technical scheme described in the utility model, bring following beneficial effect:
1, adopt the sleeve pipe increasing creepage distance to improve creepage distance, solve Coastal Power Station generator voltage instrument transformer cabinet in wet condition, because of the electric discharge problem that cabinet condensation causes, thus ensure that safety.
2, keeper is installed in cabinet and solves trolley of voltage transformer because not locating the problem of the movement of generation, thus ensure that the stability of voltage.
3, when multiple voltage transformer cabinet is installed, voltage transformer connects copper bar one link and is connected with from closing mother mutually, other link is connected with voltage transformer cabinet, and the extension direction of other link of voltage transformer is identical, so just change former " back-to-back " form into " side by side " form, make to check, change and overhaul convenient, too increase the attractive in appearance of voltage transformer cabinet simultaneously.
4, on the side plate of the cabinet of voltage transformer cabinet, enter heating plate, decrease condensation and decrease making moist of voltage transformer cabinet simultaneously, thus extend the useful life of voltage transformer cabinet, also make maintenance, replacing, maintenance convenient simultaneously.
5, use wedging shape contact or sliding contact to solve because of the bad problem of contact, enhance the tight power of contact, ensure to provide stable voltage signal.
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Accompanying drawing explanation
Fig. 1: the structural representation of the utility model voltage transformer cabinet.
Fig. 2: the structural representation adding heating plate in the utility model voltage transformer cabinet.
Fig. 3: the structural representation that the multiple voltage transformer cabinet of the utility model is installed side by side.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in further detail the utility model below in conjunction with the drawings and specific embodiments.
As depicted in figs. 1 and 2, Fig. 1 is the structural representation of voltage transformer cabinet in the present embodiment; Fig. 2 is the structural representation adding heating plate in this present embodiment voltage transformer cabinet.
Embodiment 1,
This voltage transformer cabinet comprises: cabinet 101 and the dolly 102, voltage transformer 103, post insulator 104, dynamic/static contact 105, connection copper bar 107 heating plate 109 that are arranged in cabinet 101; Wherein, voltage transformer 103 and post insulator 104 are arranged on dolly 102, and are connected by high-tension fuse; Dynamic/static contact 105 one end is arranged on post insulator 104, the other end be connected copper bar 107 and be connected; The junction of dynamic/static contact 105 is arranged with the sleeve pipe 106 increasing creepage distance.
In the cabinet 101 of voltage transformer cabinet, add heating plate 109, both decreased condensation and decreased making moist of voltage transformer cabinet simultaneously, thus extended the useful life of voltage transformer cabinet.Use dynamic/static contact 105 to solve because of dynamic/static contact 105 loose contact, cause the problem of voltage signal instability.Adopt the sleeve pipe 106 increasing creepage distance just effectively can increase creepage distance, solve Coastal Power Station generator cabinet 101 in wet condition, because of the electric discharge problem that condensation causes.
The sleeve pipe 106 increasing creepage distance climbs sleeve pipe for increasing, and the junction that casing pipe sleeve is located at dynamic/static contact 105 two ends is climbed in increasing.
Installed after increasing and climbing sleeve pipe, just effectively added creepage distance, even if there is condensation, also can not creeping discharge, thus meet safe distance requirement.
The keeper 108 of fixing dolly 102 is also provided with in cabinet 101.
Keeper 108 is installed and just effectively can have solved dolly 102 in the cabinet 101 of voltage transformer cabinet due to not location, and moved because vibration positioning phenomenons such as causing voltage fluctuation during dolly 102 is run.
Keeper 108 is arranged on the both sides of dolly 102, and wherein, keeper 108 is alignment pin, bolt or spacer.
Arrange keeper 108 in the both sides of dolly 102, what dolly 102 can be made to fix is more firm; Keeper 108 adopts alignment pin, bolt or spacer etc., and these are all common hardware products, easily obtain.
Connect copper bar 107 and have three links at least, a link is connected with the isolated-phase enclosed bus of cabinet outside, and other link is connected with the dynamic/static contact 105 in voltage transformer cabinet, and the extension direction of other link is identical.
When multiple voltage transformer cabinet is installed, connect copper bar 107 1 link to be connected with from closing mother mutually, other link is connected with the dynamic/static contact 105 of voltage transformer cabinet, and the extension direction of other link is identical, so just can change former " back-to-back " form into " side by side " form, make check and overhaul convenient, what too increase voltage transformer cabinet displays mode simultaneously, makes its neat appearance more.
Heating plate 109 is arranged on the side plate of cabinet 101.The side plate of cabinet 101 arranges heating plate 109, than the good heat dissipation effect being arranged on other places, can more effective minimizing condensation, simultaneously also convenient installation, dismounting and maintenance.
Dynamic/static contact 105 is: wedging shape contact, plug-in type contact or sliding contact.The dynamic/static contact 105 of this three types any one all more can increase tight power than knife contact of the prior art, effectively prevent the problem of loose contact and low voltage.Wherein, plug-in type contact and Mume flower contact, fixed contact is copper rod, and during connection, fixed contact inserts in the middle of moving contact, be circular contact, and contact force is larger.
Embodiment 2,
The present embodiment difference from Example 1 is, have employed the sleeve pipe 106 of different increase creepage distances.The sleeve pipe 106 of this increase creepage distance comprises, insulating sleeve and insulated terminal, and wherein, insulating sleeve is set in the junction at dynamic/static contact 105 two ends, and insulated terminal is distributed in the outer wall of insulating sleeve.
Produce after so just calculating applicable creepage distance according to the actual needs.As preferably, insulating sleeve and insulated terminal can be formed by integrally casting.
Embodiment 3,
The present embodiment is also arranged with creeping-increasing skirt on the insulated terminal of embodiment 2.Creepage distance can be increased like this under the condition not increasing insulating sleeve length.
Embodiment 4,
The present embodiment is with embodiment difference above, and keeper 108 is formed on the track of dolly 102, and wherein, keeper 108 is location fin or detent.Namely this location fin or detent form fin in orbit or groove.By arranging fin in orbit or groove just can effectively prevent dolly 102 from rocking, and this device in process of production, can realize the location to dolly 102 when not increasing parts.
The foregoing is only preferred implementation of the present utility model; it should be pointed out that for the ordinary skill in the art, do not departing under the utility model principle prerequisite; can also make various deformation and improvement, this also should be considered as protection range of the present utility model.
Claims (10)
1. a voltage transformer cabinet, comprising: cabinet (101) and be arranged on dolly (102) in cabinet (101), voltage transformer (103), post insulator (104), dynamic/static contact (105) and be connected copper bar (107) and heating plate (109); Wherein, described voltage transformer (103) and described post insulator (104) are arranged on described dolly (102), and are connected by high-tension fuse; One end of described dynamic/static contact (105) is arranged on described post insulator (104), and the other end is connected with the described copper bar (107) that is connected; It is characterized in that, the junction of described dynamic/static contact (105) is arranged with the sleeve pipe (106) increasing creepage distance.
2. voltage transformer cabinet as claimed in claim 1, is characterized in that, the sleeve pipe (106) of described increase creepage distance climbs sleeve pipe for increasing, and the junction that casing pipe sleeve is located at described dynamic/static contact (105) two ends is climbed in described increasing.
3. voltage transformer cabinet as claimed in claim 1, it is characterized in that, the sleeve pipe (106) of described increase creepage distance comprises, insulating sleeve and insulated terminal, wherein, described insulating sleeve is set in the junction at described dynamic/static contact (105) two ends, and described insulated terminal is distributed in the outer wall of described insulating sleeve.
4. voltage transformer cabinet as claimed in claim 3, is characterized in that, described insulated terminal is also arranged with creeping-increasing skirt.
5. voltage transformer cabinet as claimed in claim 1, is characterized in that, be also provided with the keeper (108) of fixing described dolly (102) in described cabinet (101).
6. voltage transformer cabinet as claimed in claim 5, it is characterized in that, described keeper (108) is arranged on the both sides of described dolly (102), and wherein, described keeper (108) is alignment pin, bolt or spacer.
7. voltage transformer cabinet as claimed in claim 5, it is characterized in that, described keeper (108) is formed on the track of described dolly (102), and wherein, described keeper (108) is location fin or detent.
8. voltage transformer cabinet as claimed in claim 1, it is characterized in that, described connection copper bar (107) has three links at least, one link is connected with the isolated-phase enclosed bus of cabinet (101) outside, other link is connected with dynamic/static contact (105), and the extension direction of other link is identical.
9. voltage transformer cabinet as claimed in claim 1, it is characterized in that, described heating plate (109) is arranged on the side plate of described cabinet (101).
10. the voltage transformer cabinet as described in any one of claim 1 to 9, is characterized in that, described dynamic/static contact (105) is: wedging shape contact, plug-in type contact or sliding contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521007882.0U CN205123094U (en) | 2015-11-30 | 2015-11-30 | Voltage transformer cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521007882.0U CN205123094U (en) | 2015-11-30 | 2015-11-30 | Voltage transformer cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205123094U true CN205123094U (en) | 2016-03-30 |
Family
ID=55578670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521007882.0U Expired - Fee Related CN205123094U (en) | 2015-11-30 | 2015-11-30 | Voltage transformer cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205123094U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904076A (en) * | 2020-12-30 | 2021-06-04 | 成都运达科技股份有限公司 | A contact type high-precision electrical inspection device |
| CN114123005A (en) * | 2021-12-22 | 2022-03-01 | 上海中科益海船舶科技有限公司 | Voltage transformer handcart and using method thereof and power distribution cabinet |
-
2015
- 2015-11-30 CN CN201521007882.0U patent/CN205123094U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904076A (en) * | 2020-12-30 | 2021-06-04 | 成都运达科技股份有限公司 | A contact type high-precision electrical inspection device |
| CN114123005A (en) * | 2021-12-22 | 2022-03-01 | 上海中科益海船舶科技有限公司 | Voltage transformer handcart and using method thereof and power distribution cabinet |
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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: 20160330 Termination date: 20201130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |