CN102361229B - Four-in three-out switch cabinet - Google Patents
Four-in three-out switch cabinet Download PDFInfo
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- CN102361229B CN102361229B CN201110169962.6A CN201110169962A CN102361229B CN 102361229 B CN102361229 B CN 102361229B CN 201110169962 A CN201110169962 A CN 201110169962A CN 102361229 B CN102361229 B CN 102361229B
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Abstract
The invention discloses a four-in three-out switch cabinet. A first high-voltage electricity input device comprises a first path of input switches and a second path of input switches, wherein the first path of input switches is connected to a first intermediate contact which is fixed on a cabinet body in a movable manner; and the first intermediate contact is positioned above the second path of input switches. A second high-voltage electricity input device comprises a third path of input switches and a fourth path of input switches, wherein the third path of input switches is connected to a second intermediate contact which is fixed on the cabinet body in a movable manner; and the second intermediate contact is positioned above the fourth path of input switches. A dual-power changeover output device comprises a changeover switch and a high-voltage electricity output switch, wherein the changeover switch is connected with the high-voltage electricity output switch through a third intermediate contact which is fixed on the cabinet body; the changeover switch is electrically connected with the first intermediate contact through a first lead; and the changeover switch is electrically connected with the second intermediate contact through a second lead. The four-in three-out switch cabinet provides guarantee for the reliability of power supplying of a load.
Description
Technical field
The present invention relates to high voltage electric equipment technical field, be specifically related to four of a kind of 10-20KV and enter three and go out switch cubicle.
Background technology
In current used switchgear, generally only possesses a road inlet wire (single-phase or three-phase) Ji Yi road outlet, thisly singly enter the switchgear that singly goes out when the circuit of itself breaks down, not only cannot power, and when it is overhauled, need to will after power supply excision, just can overhaul, therefore, all there is relevant problem in this reliability and the continuity of singly entering the switchgear power supply singly going out.
When switchgear breaks down, in order to realize the continuous power supply to load, so, someone has proposed singly to enter by many switchgear singly going out and has been joined together to form a very large switching device by mode in parallel and series connection, adopt not only complex structure of the switching device that obtained in such a way, form cost also very high, if when wherein break down in Yi road, when it is overhauled, the power supply of remaining switchgear can be greatly affected.Therefore still there is the insecure problem of power supply in this switching device.
Summary of the invention
For above-mentioned technical problem, the invention provides a kind of four and enter three and go out switch cubicle, switch cubicle of the present invention provides safeguard to the reliability of load supplying.
The technical scheme that realizes the object of the invention is as follows:
Four enter three goes out switch cubicle, comprise cabinet, also comprise the first high-tension electricity input unit being arranged in cabinet, this the first high-tension electricity input unit comprises first via input switch and the second road input switch, first via input switch is movably connected in and is fixed on the middle contact of first on cabinet, and the first middle contact is positioned at the top of the second road input switch;
And be arranged at the second high-tension electricity input unit in cabinet, this the second high-tension electricity input unit comprises Third Road input switch He tetra-road input switches, Third Road input switch is movably connected in and is fixed on the middle contact of second on cabinet, and the second middle contact is positioned at the top of Si road input switch;
And the duplicate supply being arranged in cabinet switches output device, this duplicate supply switches output device and is included in the diverter switch of switching between the first high-tension electricity input unit and the second high-tension electricity input unit, and high-tension electricity output switch, diverter switch is connected by contact in the middle of being fixed on the 3rd on cabinet with high-tension electricity output switch, diverter switch is electrically connected to contact in the middle of first by the first wire, and diverter switch is electrically connected to contact in the middle of second by the second wire.
Adopted such scheme, the first via input switch of the first high-tension electricity input unit and the second road input switch is all closed, the Third Road input switch He tetra-road input switches of the second high-tension electricity input unit all disconnect, first via input switch and the second road input switch are all to diverter switch output voltage, and high-tension electricity output switch offers load by the voltage obtaining from diverter switch and uses.In this state, even if wherein a kind of switch of first via input switch and the second road input switch is out of order, by another way switch, still can power to load.If first via input switch and the second road input switch all break down, disconnect first via input switch and the second road input switch, separately that the Third Road input switch He tetra-road input switches of the second high-tension electricity input unit are all closed, by Third Road input switch He tetra-road input switches, to load, provide supply voltage, load still can obtain electric operation.Therefore, the present invention is switched output device for duplicate supply, has four supply voltage inputs, and the high-tension electricity output switch of duplicate supply switching output device and the first leading-out terminal and the second leading-out terminal have formed three outputs jointly.Also just because adopting such structure, make switch cubicle of the present invention ensure the reliability of power supply, and powered by the second high-tension electricity input unit, when the first high-tension electricity input unit is overhauled, the power supply situation of the second high-tension electricity input unit can not be affected, and, the switch cubicle of the relative prior art of switch cubicle of the present invention, its structure is advantages of simple more, and cost is also lower.
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is for watching stereogram of the present invention from Fig. 1 left side;
Fig. 3 is for watching stereogram of the present invention from Fig. 1 right side;
Fig. 4 is the structural representation of moving contact drive unit;
Fig. 5 is the structural representation of the first line leading device;
In accompanying drawing, 100 is cabinet, 101 is supporting bracket, 102 is binding post, 103 is binding post, 104 is outlet terminal, 200 is the first high-tension electricity input unit, 201 is the first middle contact, 210 is moving contact drive unit, 211 is rotating shaft, 212 is insulated tension pole, 213 is axle sleeve body, 214 is connector, 220 is moving contact, 230 is static contact head device, 300 is the second high-tension electricity input unit, 301 is the second middle contact, 400 is duplicate supply switching output device, 401 is the 3rd middle contact, 402 is the first wire, 403 is the second wire, 410 is the first line leading device, 411 is connecting plate, 412 is insulator, 413 is conductive plate, 420 is the second line leading device, 430 is moving contact, 440 is moving contact drive unit, 500 is the first leading-out terminal, 600 is the second leading-out terminal.
Embodiment
Referring to figs. 1 through Fig. 3, of the present invention four enter three goes out switch cubicle, it is mainly by cabinet 100, the first high-tension electricity input unit 200, the second high-tension electricity input unit 300, duplicate supply switches output device 400 and the first leading-out terminal 500 and the second leading-out terminal 600 and forms, below to the relation between each part and each several part be elaborated (switch cubicle of the present embodiment is the switch cubicle for three phase mains, and following narration no longer describes this respect):
Referring to figs. 1 through Fig. 4, the first high-tension electricity input unit 200 is arranged at the left side of cabinet inside, this the first high-tension electricity input unit 200 comprises first via input switch and the second road input switch, first via input switch is movably connected in and is fixed on the middle contact 201 of first on cabinet, being hinged on the first middle contact 201 of the moving contact of first via input switch, in the middle of first, contact is positioned at the top of the second road input switch, and the first middle contact 201 is fixed in the supporting bracket 101 in cabinet 100.First via input switch is positioned at the top of the second road input switch, although what first via input switch and the second road input switch obtained is same road supply voltage, but owing to exporting separately a road supply voltage, therefore, when wherein a road input switch breaks down, another road input switch can continue to keep power supply, and load is not exerted an influence.First via input switch is identical with the structure of the second road input switch, at this, the structure of first via input switch is described.First via input switch comprises moving contact drive unit 210, moving contact 220 and for connecting the static contact head device 230 of electric power incoming line, moving contact drive unit 201 is connected with moving contact 220.Described moving contact drive unit comprises rotating shaft 211, axle sleeve and insulated tension pole 212.The longitudinal section of rotating shaft 211 is rectangular, axle sleeve comprise axle sleeve body 213 and with the integrated connector 214 of axle sleeve body.Axle sleeve body 213 is integrated rectangular sleeve, it forms circumferentially and fixes with rotating shaft after being enclosed within rotating shaft, connector 214 comprises the cylinder being connected with sleeve body body and is symmetricly set on the triangle floor on this cylinder side face, cylindrical axial length is less than the axial length of axle sleeve, like this, the axial limiting of two axle sleeves between adjacent completes by axle sleeve body, and triangle floor is used for connecting insulated tension pole 212.Insulated tension pole is connected with axle sleeve.Insulated tension pole 212 comprises two symmetrical arm-ties, and two arm-ties connect by axle, the arm-tie that arm-tie is arc.Moving contact 220 is hinged with the axle of two arm-ties that is connected insulated tension pole 212, the relative insulated tension pole of moving contact can rotate, when turning to certain position, insulated tension pole is by certainly closing a floodgate or separating brake moving contact and fixed contact to the position-limiting action of moving contact, by such being designed with, being beneficial to and reducing moving contact in when action space used, make that switch cubicle is whole keeps compact.Static contact head device 230 comprises for being weldingly fixed on the connecting plate on cabinet inwall, insulator and the fixed contact that is L-type, and insulator is arranged on connecting plate, and fixed contact is fixed on insulator.
The second high-tension electricity input unit 300 is arranged at the right side of cabinet inside, this the second high-tension electricity input unit 300 comprises Third Road input switch He tetra-road input switches, Third Road input switch is movably connected in and is fixed on the middle contact 301 of second on cabinet, being hinged on the second middle contact 301 of the moving contact of Third Road input switch, in the middle of second, contact 301 is positioned at the top of Si road input switch, and the second middle contact 301 is fixed in the supporting bracket 101 in cabinet 100.Third Road input switch is positioned at the top of Si road input switch, although what Third Road input switch Yu tetra-road input switches obtained is another same road supply voltage, but owing to exporting separately a road supply voltage, therefore, when wherein a road input switch breaks down, another road input switch can continue to keep power supply, and load is not exerted an influence.Structure and the first via input switch of Third Road input switch He tetra-road input switches, be no longer elaborated at this.
Referring to figs. 1 through Fig. 3 and Fig. 5, duplicate supply of the present invention switches output device 400 and is arranged at the middle part in cabinet, this duplicate supply switches output device and is included in the diverter switch of switching between the first high-tension electricity input unit and the second high-tension electricity input unit, and high-tension electricity output switch.Diverter switch is connected by contact 401 in the middle of being fixed on the 3rd on cabinet with high-tension electricity output switch.Diverter switch comprises the first line leading device 410 being electrically connected to the first high-tension electricity input unit 200, the second line leading device 420 being electrically connected to the second high-tension electricity input unit, the moving contact 430 switching between the first line leading device and the second line leading device and the moving contact drive unit 440 being connected with moving contact.The first line leading device 410 is identical with the structure of the second line leading device 420, and the structure at this with the first line leading device describes.The first line leading device 410 comprises connecting plate 411, insulator 412 and the conductive plate 413 being fixed on cabinet, and connecting plate is fixed on an end face of insulator, and conductive plate is fixed on another end face of insulator and forms back-to-back state with connecting plate.The structure of moving contact drive unit 440 is identical with the structure of moving contact drive unit 210, at this, does not remake and illustrates.A groove is set on the end face of described insulator fixed connecting plate, and connecting plate is embedded in this groove.Diverter switch is electrically connected to contact 201 in the middle of first by the first wire 402, and diverter switch is electrically connected to contact 301 in the middle of second by the second wire 403.Described the first wire comprises the first horizontal-extending portion, oblique extension, the second horizontal-extending portion and vertical extension, first one end of horizontal-extending portion and the upper end of oblique extension are connected, the lower end of oblique extension is connected with one end of the second horizontal-extending portion, the upper end of another end vertical connecting extension of the second horizontal-extending portion.
Cabinet is provided with the first leading-out terminal 500 and the second leading-out terminal 600, the first leading-out terminals are electrically connected to the first wire 402, and the second leading-out terminal is electrically connected to the second wire 403.The first leading-out terminal is connected a transformer with the second leading-out terminal output, high-voltage variable is changed to low-voltage, output at transformer arranges transducer, whether the output for detection of transformer has Voltage-output, if do not had, show that the first high-tension electricity input unit or the second high-tension electricity input unit are in off-state or malfunction, so that process in time.The high-tension electricity output switch of duplicate supply switching output device and the first leading-out terminal 500 and the second leading-out terminal 600 have formed three outputs jointly.
Use when of the present invention, the first via input switch of the first high-tension electricity input unit 200 and the second road input switch is all closed, the Third Road input switch He tetra-road input switches of the second high-tension electricity input unit 300 all disconnect, first via input switch and the second road input switch are all to diverter switch output voltage, and high-tension electricity output switch offers load by the voltage obtaining from diverter switch and uses.In this state, even if wherein a kind of switch of first via input switch and the second road input switch is out of order, by another way switch, still can power to load.If first via input switch and the second road input switch all break down, disconnect first via input switch and the second road input switch, separately that the Third Road input switch He tetra-road input switches of the second high-tension electricity input unit 300 are all closed, by Third Road input switch He tetra-road input switches, to load, provide supply voltage, load still can obtain electric operation, therefore, switch cubicle of the present invention has ensured the reliability of power supply, and by the second high-tension electricity input unit 300 power supplies, when the first high-tension electricity input unit 200 is overhauled, the power supply situation of the second high-tension electricity input unit 300 can not be affected.
Claims (10)
1. four enter three and go out switch cubicle, comprise cabinet, it is characterized in that, also comprise the first high-tension electricity input unit being arranged in cabinet, this the first high-tension electricity input unit comprises first via input switch and the second road input switch, first via input switch is movably connected in and is fixed on the middle contact of first on cabinet, and the first middle contact is positioned at the top of the second road input switch;
And be arranged at the second high-tension electricity input unit in cabinet, this the second high-tension electricity input unit comprises Third Road input switch He tetra-road input switches, Third Road input switch is movably connected in and is fixed on the middle contact of second on cabinet, and the second middle contact is positioned at the top of Si road input switch;
And the duplicate supply being arranged in cabinet switches output device, this duplicate supply switches output device and is included in the diverter switch of switching between the first high-tension electricity input unit and the second high-tension electricity input unit, and high-tension electricity output switch, diverter switch is connected by contact in the middle of being fixed on the 3rd on cabinet with high-tension electricity output switch, diverter switch is electrically connected to contact in the middle of first by the first wire, and diverter switch is electrically connected to contact in the middle of second by the second wire.
2. according to claim 1 four enter three and go out switch cubicle, it is characterized in that: described cabinet is provided with the first leading-out terminal and the second leading-out terminal, and the first leading-out terminal is electrically connected to the first wire, and the second leading-out terminal is electrically connected to the second wire.
3. according to claim 1 and 2 four enter three and go out switch cubicle, it is characterized in that: described first via input switch comprises moving contact drive unit, moving contact and for connecting the fixed contact of electric power incoming line, moving contact drive unit is connected with moving contact.
4. according to claim 3 four enter three and go out switch cubicle, it is characterized in that: described moving contact drive unit comprises rotating shaft, axle sleeve and insulated tension pole, and axle sleeve is circumferentially fixed in rotating shaft, and insulated tension pole is connected with axle sleeve.
5. according to claim 4 four enter three and go out switch cubicle, it is characterized in that: described insulated tension pole comprises two symmetrical arm-ties, and two arm-ties connect by axle, the arm-tie that arm-tie is arc.
6. according to claim 1 and 2 four enter three and go out switch cubicle, it is characterized in that: first via input switch and the second road input switch obtain same road supply voltage, and Third Road input switch He tetra-road input switches obtain another same road supply voltage.
7. according to claim 1 and 2 four enter three and go out switch cubicle, it is characterized in that: described diverter switch comprises the first line leading device being electrically connected to the first high-tension electricity input unit, the second line leading device being electrically connected to the second high-tension electricity input unit, the moving contact switching between the first line leading device and the second line leading device and the moving contact drive unit being connected with moving contact.
8. according to claim 7 four enter three and go out switch cubicle, it is characterized in that: the first line leading device comprises connecting plate, insulator and the conductive plate being fixed on cabinet, connecting plate is fixed on an end face of insulator, and conductive plate is fixed on another end face of insulator and forms back-to-back state with connecting plate.
9. according to claim 8 four enter three and go out switch cubicle, it is characterized in that: a groove is set on the end face of described insulator fixed connecting plate, and connecting plate is embedded in this groove.
10. according to claim 1 four enter three and go out switch cubicle, it is characterized in that: described the first wire comprises the first horizontal-extending portion, oblique extension, the second horizontal-extending portion and vertical extension, first one end of horizontal-extending portion and the upper end of oblique extension are connected, the lower end of oblique extension is connected with one end of the second horizontal-extending portion, the upper end of another end vertical connecting extension of the second horizontal-extending portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110169962.6A CN102361229B (en) | 2011-05-04 | 2011-06-15 | Four-in three-out switch cabinet |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110113286.0 | 2011-05-04 | ||
| CN201110113286 | 2011-05-04 | ||
| CN201110169962.6A CN102361229B (en) | 2011-05-04 | 2011-06-15 | Four-in three-out switch cabinet |
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| Publication Number | Publication Date |
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| CN102361229A CN102361229A (en) | 2012-02-22 |
| CN102361229B true CN102361229B (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110169962.6A Active CN102361229B (en) | 2011-05-04 | 2011-06-15 | Four-in three-out switch cabinet |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201113253Y (en) * | 2007-07-26 | 2008-09-10 | 电光防爆科技（上海）有限公司 | Mining explosion suppression type double power supply multi-loop combination switch |
| CN201262902Y (en) * | 2008-09-03 | 2009-06-24 | 深圳市泰永科技股份有限公司 | Automatic changeover electric appliance of DC/AC mixing device |
| CN202142781U (en) * | 2011-05-04 | 2012-02-08 | 江苏德春电力科技有限公司 | Four-input and three-output switch cabinet |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2572356B2 (en) * | 1994-04-25 | 1997-01-16 | 株式会社愛知電機製作所 | Power switching switchgear with bypass switchgear |
| KR100914205B1 (en) * | 2007-08-20 | 2009-08-27 | 엘에스산전 주식회사 | Air circuit breaker with auxiliary switch |
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2011
- 2011-06-15 CN CN201110169962.6A patent/CN102361229B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201113253Y (en) * | 2007-07-26 | 2008-09-10 | 电光防爆科技（上海）有限公司 | Mining explosion suppression type double power supply multi-loop combination switch |
| CN201262902Y (en) * | 2008-09-03 | 2009-06-24 | 深圳市泰永科技股份有限公司 | Automatic changeover electric appliance of DC/AC mixing device |
| CN202142781U (en) * | 2011-05-04 | 2012-02-08 | 江苏德春电力科技有限公司 | Four-input and three-output switch cabinet |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平7-296682A 1995.11.10 |
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| CN102361229A (en) | 2012-02-22 |
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Address after: 213138 Jiangsu city of Changzhou Province Meng he Zhen Tang Jia Er Lu New District No. 58 Patentee after: Jiangsu spring power Polytron Technologies Inc Address before: 213138 Jiangsu province Changzhou new North Menghe River town of Fumin Industrial Park Tang Jia Er Road No. 58 Patentee before: Jiangsu Dechun Power Electric Co., Ltd. |