CN201230161Y - Middle pressure metal enclosed switch device - Google Patents
Middle pressure metal enclosed switch device Download PDFInfo
- Publication number
- CN201230161Y CN201230161Y CNU2008200776883U CN200820077688U CN201230161Y CN 201230161 Y CN201230161 Y CN 201230161Y CN U2008200776883 U CNU2008200776883 U CN U2008200776883U CN 200820077688 U CN200820077688 U CN 200820077688U CN 201230161 Y CN201230161 Y CN 201230161Y
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- CN
- China
- Prior art keywords
- pressure release
- release passage
- chamber
- voltage breaker
- medium voltage
- 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 - Lifetime
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Abstract
The utility model provides a closed medium-voltage metal switchgear. When a fault occurs among the functional compartments of the prior closed metal switch, mutual isolation and the heat-dissipating channel are imperfect and cannot meet the requirements of users. The switchgear comprises a body. The switchgear has the following characteristics: along a vertical direction, the body is divided into a bus chamber, a medium-voltage breaker chamber and a cable chamber; wherein, the bus chamber is located on the upper side; moreover, a channel used to release pressure is arranged on the top of the bus chamber; the medium-voltage breaker chamber is located in the middle; the cable chamber is located on the bottom; and moreover, the medium-voltage breaker chamber and the cable chamber are respectively connected with the pressure-releasing channel and partitioned from each other. Since the body of the switchgear is divided into the three independent chambers and provided with a relatively independent pressure-releasing channel, when a chamber goes wrong, pressure can be released, so that another chamber cannot be affected.
Description
Technical field
The utility model relates to a kind of middle metal enclosed switchgear of pressing.
Background technology
At present, press metal enclosed switchgear equipment to mainly contain two kinds of structures in the air insulation that the present medium-voltage distribution apparatus field of China is used:
A kind of is armouring handcart cabinet, is divided into breaker compartment, bus compartment, cable compartment, has metallic plate that it is separated between the compartment.Press metal enclosed switchgear by the propelling of its main element circuit breaker cart in middle pressure metal enclosed switchgear and the isolation of shifting out realization high pressure fracture in this;
Another kind is the box-shaped stationary cabinet, bus separates, all the other elements are in a case, press in the metal enclosed switchgear during its main element circuit breaker is fixed by bolts to, the operation that the Guan Heyu of high-tension current cut-offs by circuit breaker realizes that the isolation of high pressure fracture need be joined an above isolating switch in addition and be realized.
Such box-shaped stationary cabinet structure exists unguarded situation between each function compartment, feeds through to other compartments under the situation that a function compartment breaks down easily.The structure that has also occurred fixed armouring cabinet in recent years, but perfect not enough on mutual isolation under the situation that breaks down between the function compartment and the heat dissipation channel can't reach user's demand.
The utility model content
At defective that exists in the prior art and deficiency, the purpose of this utility model is to propose a kind of middle metal enclosed switchgear of pressing, and can solve the heat dissipation channel imperfection of existing box-shaped stationary cabinet, and interactional problem between the pressure release passage.
In order to achieve the above object, the utility model proposes a kind of middle metal enclosed switchgear of pressing, comprise a body, it is characterized in that described body vertically is divided into bus-bar room, medium voltage breaker chamber, cable vault;
Described bus-bar room is positioned at top, and the top of bus-bar room has the passage that is used for pressure release;
Described medium voltage breaker chamber is positioned at the middle part, and described cable vault is positioned at the bottom, and the medium voltage breaker chamber is connected pressure release passage and mutual the partition respectively with the cable vault.
Preferred as technique scheme is provided with pressure release passage in the described body, and medium voltage breaker chamber and cable vault are respectively at the pressure release passage conducting; Be provided with a baffle plate movably in pressure release passage, pressure release passage that will be connected with the medium voltage breaker chamber and the pressure release passage that is connected with the cable vault separate;
Described baffle plate makes described cable vault and described pressure release passage cut off when the medium voltage breaker chamber pressure increases; Described middle interruption chambe and the described pressure release passage of pressing cut off.
Preferred as technique scheme, described baffle plate area is not less than the area of opening between described medium voltage breaker chamber and the described pressure release passage.
Preferred as technique scheme, described baffle plate and described pressure release passage inwall are rotationally connected, and ought just often described baffle plate with cable vault and pressure release passage isolation; Described baffle plate cuts off medium voltage breaker chamber and pressure release passage when cable vault's pressure increases.
Preferred as technique scheme, the pressure release passage at the top of described bus-bar room has movable lid.
Preferred as technique scheme, the pressure release passage of described medium voltage breaker chamber, cable vault has movable lid.
The utility model proposes a kind of middle metal enclosed switchgear of pressing.Press on mutual isolation under the situation that breaks down between the function compartment of metal enclosed switchgear and the heat dissipation channel perfectly not enough in existing, can't reach user's demand.The body of this switch is divided into three independent cavity, relatively independent pressure release passage is arranged, in the time of so just can going wrong pressure is gushed and be unlikely to influence another chamber in a chamber.
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.For the person of ordinary skill in the field, to the detailed description of the present utility model, described and other purposes of the present utility model, feature and advantage will be apparent.
Description of drawings
Fig. 1 is the structural representation of the utility model preferred embodiment;
Fig. 2 is the end view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
Middle pressure metal enclosed switchgear preferred embodiment in the utility model preferred embodiment comprises a body as depicted in figs. 1 and 2, and described body vertically is divided into three chambers, is respectively bus-bar room 1, medium voltage breaker chamber 2, cable vault 5.Bus-bar room 1 is positioned at top, and the top of bus-bar room 1 has pressure release passage, and the top of this pressure release passage is provided with top cover 7.The fault that is short-circuited in bus-bar room 1, high-temperature high-pressure air flow can be washed bus-bar room upper top cover 7 open, makes it rearward to spray.Medium voltage breaker chamber 2 is positioned at the middle part, and cable vault 5 is positioned at the bottom, is provided with pressure release passage 4 in body, and medium voltage breaker chamber 2 and cable vault 5 are respectively with the pressure release passage conducting and mutually isolate.
Mutual mode of isolating has multiple, and wherein a kind of mode is:
Be provided with a baffle plate 3 movably in pressure release passage, as shown in Figure 1, these baffle plate 3 pressure release passages separate.When medium voltage breaker chamber 2 pressure increased, pressure was emitted by pressure release passage 4, and because the obstruct of baffle plate 3 does not influence cable vault 5; When cable vault's 5 pressure increased, pressure promoted the opening that baffle plate 3 blocks medium voltage breaker chamber 2 and pressure release passage 4 conductings, so that pressure does not influence medium voltage breaker chamber 2 when pressure release passage 4 is emitted.Be provided with top cover 8 at the top of pressure release passage 4.
Certainly, those skilled in that art are appreciated that the mode of isolation can also have other kinds, for example adopt two pressure release passages 4 of isolating fully, and this all in the utility model protection range, does not give unnecessary details at this one by one.
As shown in Figure 1, in three chambers, be provided with wall bushing 21,23, so that line security passes metal partion (metp).In chamber, be provided with composite type medium voltage breaker 22, earthed switch 24, transducer or current transformer 25.
Certainly; the utility model also can have other embodiment; under the situation that does not deviate from the utility model spirit and essence thereof; the person of ordinary skill in the field works as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of claim of the present utility model.
Claims (6)
1, a kind of middle metal enclosed switchgear of pressing comprises a body, it is characterized in that described body vertically is divided into bus-bar room, medium voltage breaker chamber, cable vault;
Described bus-bar room is positioned at top, and the top of bus-bar room has the passage that is used for pressure release;
Described medium voltage breaker chamber is positioned at the middle part, and described cable vault is positioned at the bottom, and the medium voltage breaker chamber is connected pressure release passage and mutual the partition respectively with the cable vault.
2, the middle metal enclosed switchgear of pressing according to claim 1 is characterized in that be provided with pressure release passage in the described body, medium voltage breaker chamber and cable vault are respectively at the pressure release passage conducting; Be provided with a baffle plate movably in pressure release passage, pressure release passage that will be connected with the medium voltage breaker chamber and the pressure release passage that is connected with the cable vault separate;
Described baffle plate makes described cable vault and described pressure release passage cut off when the medium voltage breaker chamber pressure increases; Described middle interruption chambe and the described pressure release passage of pressing cut off.
3, the middle metal enclosed switchgear of pressing according to claim 1 is characterized in that described baffle plate area is not less than the area of opening between described medium voltage breaker chamber and the described pressure release passage.
4, the middle metal enclosed switchgear of pressing according to claim 1 is characterized in that described baffle plate and described pressure release passage inwall are rotationally connected, and ought cable vault and pressure release passage be isolated just often described baffle plate; Described baffle plate cuts off medium voltage breaker chamber and pressure release passage when cable vault's pressure increases.
5, the middle metal enclosed switchgear of pressing according to claim 1 is characterized in that the pressure release passage at the top of bus-bar room has movable lid.
6, the middle metal enclosed switchgear of pressing according to claim 1 is characterized in that the pressure release passage of medium voltage breaker chamber, cable vault has movable lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200776883U CN201230161Y (en) | 2008-06-27 | 2008-06-27 | Middle pressure metal enclosed switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200776883U CN201230161Y (en) | 2008-06-27 | 2008-06-27 | Middle pressure metal enclosed switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201230161Y true CN201230161Y (en) | 2009-04-29 |
Family
ID=40635104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200776883U Expired - Lifetime CN201230161Y (en) | 2008-06-27 | 2008-06-27 | Middle pressure metal enclosed switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201230161Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108292830A (en) * | 2015-12-02 | 2018-07-17 | 三菱电机株式会社 | Gas-insulated switchgear device |
| WO2019183964A1 (en) * | 2018-03-30 | 2019-10-03 | Abb Schweiz Ag | An air insulated switchgear and an electrical system comprising the same |
| CN114765347A (en) * | 2021-01-09 | 2022-07-19 | 江苏力王电气股份有限公司 | Box type alternating current metal-enclosed switchgear |
-
2008
- 2008-06-27 CN CNU2008200776883U patent/CN201230161Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108292830A (en) * | 2015-12-02 | 2018-07-17 | 三菱电机株式会社 | Gas-insulated switchgear device |
| CN108292830B (en) * | 2015-12-02 | 2021-02-09 | 三菱电机株式会社 | Gas insulated switchgear |
| WO2019183964A1 (en) * | 2018-03-30 | 2019-10-03 | Abb Schweiz Ag | An air insulated switchgear and an electrical system comprising the same |
| CN114765347A (en) * | 2021-01-09 | 2022-07-19 | 江苏力王电气股份有限公司 | Box type alternating current metal-enclosed switchgear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090429 |