CN202076685U - Switch apparatus with protection detection device - Google Patents
Switch apparatus with protection detection device Download PDFInfo
- Publication number
- CN202076685U CN202076685U CN2011201241083U CN201120124108U CN202076685U CN 202076685 U CN202076685 U CN 202076685U CN 2011201241083 U CN2011201241083 U CN 2011201241083U CN 201120124108 U CN201120124108 U CN 201120124108U CN 202076685 U CN202076685 U CN 202076685U
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- switchgear
- switch
- protecting
- checkout gear
- 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
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Abstract
The utility model discloses a switch apparatus with a protection detection device, comprising a bracket and a three-station isolation switch and circuit breaker which is arranged on the bracket through a three-station mechanism; the three-station isolation switch and circuit breaker is also connected with a circuit breaker transmission case and a circuit breaker operating mechanism in sequence; and the three-station isolation switch and circuit breaker is provided with five terminals, wherein a first terminal is sequentially connected with a voltage transformer and a current transformer which are used for detection, and a second terminal is connected with a three-station isolation/grounding switch. Compared with the traditional 4-.5kV opened switch apparatuses, the occupied area of the switch apparatus with the protection detection device is greatly decreased; compared with the novel 40.5kV fully closed combined electric apparatuses, the switch apparatus with the protection detection device has the advantages of being convenient for installation and maintenance and easy in dilatation; at the same time, the switch apparatus with the protection detection device also has the advantage of being flexible in arrangement; and by means of a modularized apparatus, the arrangement requirements of all substations can be realized, so that the switch apparatus with the protection detection device also has the advantage of being simple and rapid for site installation.
Description
Technical field
The utility model relates to the high-voltage switch gear field, relates to a kind of switchgear of protecting checkout gear that has that cuts off and connect high voltage, electric current in particular.
Background technology
As everyone knows; high-voltage switch gear is in series by bus introducing device, lead-in wire, primary cut-out, bus ejector; and install protection such as voltage transformer, current transformer and lightning protection device checkout equipments on the line, cut off and drop into electric current and the switching device of working by circuit breaker.
At present, what the outdoor substation of 40.5KV electric pressure majority adopted is outdoor porcelain knob switchgear, and the distance of this each equipment room of switchgear is bigger, causes overall floor space big, is not suitable for being installed in the transformer station in land resource urban district very in short supply.Though fully closed combined electric unit can address this problem, still, fully closed combined electric unit installation and maintenance inconvenience, dilatation is also very difficult.
In view of this, the inventor has this case to produce at the above-mentioned defective further investigation of existing high voltage switchgear then.
The utility model content
The purpose of this utility model is to provide a kind of switchgear of protecting checkout gear that has, and the switchgear footprint area is big in the prior art, installation and maintenance is inconvenient and the dilatation complicated problems to solve.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of switchgear of protecting checkout gear that has; wherein; comprise support and be arranged on tri-station isolating switch and circuit breaker on the support by three position mechanism; this tri-station isolating switch and circuit breaker also are connected with circuit breaker transmission case and circuit breaker operation mechanism in turn; this tri-station isolating switch and circuit breaker have five terminals; the first terminal also is connected with the voltage transformer summation current transformer of making detection effect in turn, and second terminal then is connected with three-station isolating/grounding switch.
Further, this current transformer end also is arranged with first sleeve pipe.
Further, this current transformer end also is connected with the bus housing.
Further, this three-station isolating/grounding switch end is arranged with second sleeve pipe.
Further, the 3rd terminal of this tri-station isolating switch and circuit breaker links to each other with another three position mechanism by three station transmissions.
Further, the 3rd terminal of this tri-station isolating switch and circuit breaker also is connected with another voltage transformer and another current transformer by adaptor.
Further, the 4th terminal of this tri-station isolating switch and circuit breaker and five terminal place is equiped with lightning arrester.
Further, this circuit breaker operation mechanism adopts spring operating mechanism.
Further, this tri-station isolating switch and circuit breaker adopt the SF6 gas insulation breaker.
Further, this voltage transformer summation current transformer all adopts electronic mutual inductor.
After adopting said structure, a kind of switchgear of protecting checkout gear that has that the utility model relates to, it is provided with tri-station isolating switch and circuit breaker by support, and in conjunction with voltage transformer, current transformer and three-station isolating/grounding switch, can be combined to form whole switchgear, thus, the utility model is compared with 40.5KV open type switchgear in the past, reduced land area greatly, had the convenient and dilatation characteristic of simple of installation and maintenance and compare with novel 40.5KV fully closed combined electric unit; Simultaneously the utility model also has the characteristics of flexible arrangement, and its modular equipment is guaranteed the arrangement requirement that it can realize all transformer stations, on-the-spotly installs simple and characteristics efficiently thereby have more.
Description of drawings
Fig. 1 is a kind of structural representation that has switchgear first embodiment that protects checkout gear for the utility model relates to;
Fig. 2 is a kind of structural representation that has switchgear second embodiment that protects checkout gear for the utility model relates to.
Among the figure:
Switchgear 100
Support 1 tri-station isolating switch and circuit breaker 2
The first terminal 21 second terminals 22
The 23 3 station transmissions 231 of the 3rd terminal
Three position mechanism 232 adaptors 233
The 4th terminal 24 five terminal 25
Circuit breaker transmission case 3 circuit breaker operation mechanisms 4
Voltage transformer 5 current transformers 6
First sleeve pipe, 61 three-station isolating/grounding switch 7
Embodiment
In order further to explain the technical solution of the utility model, the utility model is elaborated below by specific embodiment.
As shown in Figure 1, a kind of switchgear 100 of protecting checkout gear that has that it relates to for the utility model, it comprises support 1 and tri-station isolating switch and circuit breaker 2, this tri-station isolating switch and circuit breaker 2 are arranged on the support 1, and the end also is connected with circuit breaker transmission case 3 and circuit breaker operation mechanism 4 in turn, concrete, this circuit breaker operation mechanism 4 adopts spring operating mechanism to realize; This tri-station isolating switch and circuit breaker 2 have five terminals, and the first terminal 21 also is connected with 22 of voltage transformer 5 summation current transformers 6, the second terminals making detection effect in turn and is connected with three-station isolating/grounding switch 7.
Like this; a kind of switchgear 100 of protecting checkout gear that has that the utility model relates to; it is provided with tri-station isolating switch and circuit breaker 2 by support 1; and, can be combined to form whole switchgear 100 in conjunction with voltage transformer 5, current transformer 6 and three-station isolating/grounding switch 7.Thus, the utility model is compared with 40.5KV open type switchgear 100 in the past, has reduced land area greatly, has the convenient and dilatation characteristic of simple of installation and maintenance and compare with novel 40.5KV fully closed combined electric unit; Simultaneously the utility model also has the characteristics of flexible arrangement, and its modular equipment is guaranteed the arrangement requirement that it can realize all transformer stations, on-the-spotly installs simple and characteristics efficiently thereby have more.
Preferably, these current transformer 6 ends also are arranged with first sleeve pipe 61, thereby can allow overhead wire can link to each other with whole switchgear 100 with bus.Certainly according to actual needs, this first sleeve pipe 61 can substitute with bus housing (not shown), and three-phase bus converges to the shared bus of three-phase and realizes the form of bus into and out of line.These three-station isolating/grounding switch 7 ends can also be arranged with second sleeve pipe 71.The 3rd terminal 23 of this tri-station isolating switch and circuit breaker 2 then links to each other with another three position mechanism 232 by three station transmissions 231, thereby can miscellaneous equipment be installed according to actual conditions.
According to arranging needs, the utility model can also change single busbar connection list isolating/grounding switch into the two isolating/grounding switch of double-bus, specifically see also Fig. 2, the 3rd terminal 23 of this tri-station isolating switch and circuit breaker 2 also is connected with another voltage transformer 234 and another current transformer 235 by adaptor 233.
Preferably, for the effect that realizes taking shelter from the thunder, the 4th terminal 24 of this tri-station isolating switch and circuit breaker 2 and five terminal 25 places are equiped with the lightning arrester (not shown).
Need to prove that the tri-station isolating switch in the utility model and circuit breaker 2 adopts the SF6 gas insulation breakers, this SF6 gas insulation breaker its based on mixed pressure formula arc quenching principle; And current transformer 6,235 that the utility model relates to and voltage transformer 5,234 all adopt electronic mutual inductor, and it is mainly used in electric current and voltage in the induction line, thereby circuit is protected; Because what adopt is electronic mutual inductor, so also have characteristics such as little, the easy for installation and curb girder precision height of volume.
The foregoing description and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present utility model to its suitable variation or modification of doing.
Claims (10)
1. one kind has the switchgear of protecting checkout gear; it is characterized in that; comprise support and be arranged on tri-station isolating switch and circuit breaker on the support by three position mechanism; this tri-station isolating switch and circuit breaker also are connected with circuit breaker transmission case and circuit breaker operation mechanism in turn; this tri-station isolating switch and circuit breaker have five terminals; the first terminal also is connected with the voltage transformer summation current transformer of making detection effect in turn, and second terminal then is connected with three-station isolating/grounding switch.
2. a kind of switchgear of protecting checkout gear that has as claimed in claim 1 is characterized in that this current transformer end also is arranged with first sleeve pipe.
3. a kind of switchgear of protecting checkout gear that has as claimed in claim 1 is characterized in that this current transformer end also is connected with the bus housing.
4. a kind of switchgear of protecting checkout gear that has as claimed in claim 1 is characterized in that this three-station isolating/grounding switch end is arranged with second sleeve pipe.
5. a kind of switchgear of protecting checkout gear that has as claimed in claim 1 is characterized in that, the 3rd terminal of this tri-station isolating switch and circuit breaker links to each other with another three position mechanism by three station transmissions.
6. a kind of switchgear of protecting checkout gear that has as claimed in claim 1 is characterized in that, the 3rd terminal of this tri-station isolating switch and circuit breaker also is connected with another voltage transformer and another current transformer by adaptor.
7. a kind of switchgear of protecting checkout gear that has as claimed in claim 1 is characterized in that, the 4th terminal of this tri-station isolating switch and circuit breaker and five terminal place are equiped with lightning arrester.
8. a kind of switchgear of protecting checkout gear that has as claimed in claim 1 is characterized in that, this circuit breaker operation mechanism adopts spring operating mechanism.
9. a kind of switchgear of protecting checkout gear that has as claimed in claim 1 is characterized in that, this tri-station isolating switch and circuit breaker adopt the SF6 gas insulation breaker.
10. a kind of switchgear of protecting checkout gear that has as claimed in claim 1 is characterized in that this voltage transformer summation current transformer all adopts electronic mutual inductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201241083U CN202076685U (en) | 2011-04-25 | 2011-04-25 | Switch apparatus with protection detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201241083U CN202076685U (en) | 2011-04-25 | 2011-04-25 | Switch apparatus with protection detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202076685U true CN202076685U (en) | 2011-12-14 |
Family
ID=45114762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201241083U Expired - Fee Related CN202076685U (en) | 2011-04-25 | 2011-04-25 | Switch apparatus with protection detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202076685U (en) |
-
2011
- 2011-04-25 CN CN2011201241083U patent/CN202076685U/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 |
Granted publication date: 20111214 Termination date: 20160425 |