CN110635554A - Emergency power supply device of box-type substation - Google Patents
Emergency power supply device of box-type substation Download PDFInfo
- Publication number
- CN110635554A CN110635554A CN201910938497.4A CN201910938497A CN110635554A CN 110635554 A CN110635554 A CN 110635554A CN 201910938497 A CN201910938497 A CN 201910938497A CN 110635554 A CN110635554 A CN 110635554A
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- China
- Prior art keywords
- copper bar
- switch
- connecting copper
- power supply
- emergency power
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- 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.)
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 107
- 229910052802 copper Inorganic materials 0.000 claims description 107
- 239000010949 copper Substances 0.000 claims description 107
- 238000009434 installation Methods 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/36—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having only two operative positions, e.g. relatively displaced by 180 degrees
- H01H19/38—Change-over switches
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses an emergency power supply device of a box-type substation, which comprises an emergency power supply, a dual-power transfer switch and a handle assembly, wherein the wire outlet end of the dual-power transfer switch is electrically connected with a low-voltage shunt switch, the handle assembly is used for controlling the wire inlet end of the dual-power transfer switch to be connected with the emergency power supply or a transformer, and when the emergency power supply is required to supply power, the wire inlet end of the dual-power transfer switch is connected with the emergency power supply through the handle assembly, so that the power supply of the emergency power supply can be quickly realized, and the power-off time of a user side is greatly shortened.
Description
Technical Field
The invention relates to the technical field of electrical engineering, in particular to an emergency power supply device of a box-type substation.
Background
The box-type transformer (box transformer for short) is a factory prefabricated indoor and outdoor compact distribution equipment which is formed by integrating high-voltage switch equipment, distribution transformer and low-voltage distribution equipment according to a certain wiring scheme. The box transformer substation has the advantages of high automation degree, factory prefabrication, flexible combination mode, small occupied area and the like, and is widely applied to residential districts, public facilities, construction sites and the like. However, in the actual use process, the box transformer substation is often powered off due to line maintenance, line faults, component damage and the like, so that economic loss and inconvenience are brought to users.
At present, in order to reduce the power loss time of a low-voltage user side, an emergency power supply interface is often required to be installed in a box transformer substation, so that when the box transformer substation is in maintenance needs or fails to cause low-voltage power loss of a transformer, power can be continuously supplied to a user side through an emergency power supply vehicle. In addition, in order to ensure that potential safety hazards are caused by backward power transmission of low voltage to the transformer side when the emergency power supply supplies power, the existing emergency power supply scheme adopts a mode of disconnecting the busbar and blocking the emergency power supply interface in a baffle mode when the emergency power supply does not need to be plugged, so that the emergency power supply interface is not exposed when the emergency power supply is normally supplied, however, when the emergency power supply needs to be used, the emergency power supply busbar needs to be manually disassembled, a power supply can be connected after the emergency power supply interface is exposed, and certain time is undoubtedly needed for disassembling the emergency power supply busbar.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an emergency power supply device of a box-type substation.
In order to solve the technical problems, the technical scheme adopted by the invention specifically comprises the following contents:
the utility model provides an emergent power supply unit of box-type substation, includes emergency power source, dual supply change over switch and handle assembly, dual supply change over switch's leading-out terminal is connected with low pressure shunt switch electricity, handle assembly is used for controlling dual supply change over switch's leading-in terminal switch-on emergency power source or the transformer.
Preferably, the dual-power transfer switch comprises a switch shell, a first connecting copper bar for connecting the emergency power supply, a second connecting copper bar for connecting the transformer, a third connecting copper bar for connecting the low-voltage shunt switch and a disconnecting-connecting disconnecting link assembly, wherein the first connecting copper bar, the second connecting copper bar and the third connecting copper bar are all arranged on the switch shell, and the disconnecting-connecting disconnecting link assembly is arranged inside the switch shell; the handle assembly controls the on-off disconnecting link assembly to be connected with the first connecting copper bar and the third connecting copper bar or controls the on-off disconnecting link assembly to be connected with the second connecting copper bar and the third connecting copper bar.
Preferably, the third connecting copper bar comprises a fourth connecting copper bar, a fifth connecting copper bar and a short circuit copper bar, and the fourth connecting copper bar, the fifth connecting copper bar and the short circuit copper bar are all arranged on the switch shell; two ends of the short circuit copper bar are respectively connected with the fourth connecting copper bar and the fifth connecting copper bar; the handle assembly controls the on-off disconnecting link assembly to be connected with the first connecting copper bar and the fourth connecting copper bar or controls the on-off disconnecting link assembly to be connected with the second connecting copper bar and the fifth connecting copper bar.
Preferably, the handle assembly comprises a handle shaft and a handle rocker, one end of the handle shaft is rotatably connected with the inner wall of the switch shell, the other end of the handle shaft penetrates out of the switch shell and is fixedly connected with the handle rocker, and the switch-on/off knife switch assembly is fixedly connected with one end of the handle shaft extending into the switch shell.
Preferably, the switching-closing disconnecting link assembly comprises a first switching-closing disconnecting link and a second switching-closing disconnecting link, two ends of the first switching-closing disconnecting link are respectively used for connecting the first connecting copper bar and the fourth connecting copper bar, two ends of the second switching-closing disconnecting link are respectively used for connecting the second connecting copper bar and the fifth connecting copper bar, and the mounting angle of the first switching-closing disconnecting link on the handle shaft is different from that of the second switching-closing disconnecting link on the handle shaft.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses an emergency power supply device of a box-type substation, which comprises an emergency power supply, a dual-power transfer switch and a handle assembly, wherein the wire outlet end of the dual-power transfer switch is electrically connected with a low-voltage shunt switch, the handle assembly is used for controlling the wire inlet end of the dual-power transfer switch to be connected with the emergency power supply or a transformer, and when the emergency power supply is needed to supply power, the wire inlet end of the dual-power transfer switch is connected with the emergency power supply through the handle assembly, so that the power supply of the emergency power supply can be quickly realized, and the power-off time of a user side is greatly shortened.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of an emergency power supply device of a box-type substation according to the present invention;
FIG. 2 is a schematic structural view of the dual power transfer switch of FIG. 1 after being connected to a handle assembly;
wherein the reference numerals in fig. 1-2 are:
1. an emergency power supply; 2. a dual power transfer switch; 3. a handle assembly; 4. a switch housing; 5. a first connecting copper bar; 6. a second connecting copper bar; 7. a fourth connecting copper bar; 8. a fifth connecting copper bar; 9. short-circuit copper bars; 10. a handle shaft; 11. a handle rocker; 12. a first disconnecting and connecting switch; 13. a second disconnecting link; 14. a transformer; 15. a low voltage shunt switch; 16. a wire inlet end; 17. and (7) leading out the wire end.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention with reference to the accompanying drawings and preferred embodiments is as follows:
as shown in fig. 1, the invention discloses an emergency power supply device of a box-type substation, which comprises an emergency power supply 1, a dual power transfer switch 2 and a handle assembly 3, wherein an outlet terminal 17 of the dual power transfer switch 2 is electrically connected with a low-voltage shunt switch 15, the handle assembly 3 is used for controlling an inlet terminal 16 of the dual power transfer switch 2 to be connected with the emergency power supply 1 or a transformer 14, when the emergency power supply 1 is required to supply power, the inlet terminal 16 of the dual power transfer switch 2 is connected with the emergency power supply 1 through the handle assembly 3, so that the power supply of the emergency power supply 1 can be rapidly realized, and the power-off time of a user side is greatly shortened.
As shown in fig. 2, the dual power transfer switch 2 includes a switch housing 4, a first connecting copper bar 5 for connecting the emergency power supply 1, a second connecting copper bar 6 for connecting the transformer 14, a third connecting copper bar for connecting the low-voltage shunt switch 15, and a switching-on/off knife-switch assembly, the first connecting copper bar 5, the second connecting copper bar 6, and the third connecting copper bar are all disposed on the switch housing 4, and the switching-on/off knife-switch assembly is disposed inside the switch housing 4; the handle component 3 controls the on-off disconnecting link component to be connected with the first connecting copper bar 5 and the third connecting copper bar or controls the on-off disconnecting link component to be connected with the second connecting copper bar 6 and the third connecting copper bar.
When needs emergency power source 1 supplies power, through handle assembly 3 makes first connecting copper bar 5 with the copper bar switch-on can is connected to the third, and is very convenient.
As a further preferable scheme, in order to facilitate the switching on of the first connecting copper bar 5 and the third connecting copper bar or the switching on of the second connecting copper bar 6 and the third connecting copper bar through the on-off disconnecting link assembly, the third connecting copper bar includes a fourth connecting copper bar 7, a fifth connecting copper bar 8 and a short circuit copper bar 9, and the fourth connecting copper bar 7, the fifth connecting copper bar 8 and the short circuit copper bar 9 are all disposed on the switch housing 4; two ends of the short circuit copper bar 9 are respectively connected with the fourth connecting copper bar 7 and the fifth connecting copper bar 8; the handle component 3 controls the on-off disconnecting link component to be connected with the first connecting copper bar 5 and the fourth connecting copper bar 7 or controls the on-off disconnecting link component to be connected with the second connecting copper bar 6 and the fifth connecting copper bar 8.
The handle assembly 3 comprises a handle shaft 10 and a handle rocker 11, one end of the handle shaft 10 is rotatably connected with the inner wall of the switch shell 4, the other end of the handle shaft 10 penetrates out of the switch shell 4 and then is fixedly connected with the handle rocker 11, the switch-on/off knife switch assembly is fixedly connected with one end of the handle shaft 10 extending into the switch shell 4, when the switch-on/off knife switch assembly is specifically arranged, a through hole for one end of the handle shaft 10 to pass through is formed in the front side wall of the switch shell 4, an assembling groove is formed in the inner wall of the rear side wall of the switch shell 4, when the switch-on/off knife switch assembly is installed, one end of the handle shaft 10 passes through the through hole and then extends into the assembling groove, in addition, as the other end of the handle shaft 10 is fixedly connected with the handle rocker 11, and the switch-on/off knife switch assembly is fixedly connected with one, when the handle shaft 10 rotates under the action of the handle rocker 11, the switching-on and switching-off disconnecting link assembly can be driven to rotate, so that the switching-on and switching-off disconnecting link assembly is communicated with the first connecting copper bar 5 and the fourth connecting copper bar 7 or the second connecting copper bar 6 and the fifth connecting copper bar 8.
Moreover, as a further preferred scheme, the switching-on/off knife switch assembly includes a first switching-on/off knife switch 12 and a second switching-on/off knife switch 13, both ends of the first switching-on/off knife switch 12 are respectively used for connecting the first connecting copper bar 5 and the fourth connecting copper bar 7, both ends of the second switching-on/off knife switch 13 are respectively used for connecting the second connecting copper bar 6 and the fifth connecting copper bar 8, and the mounting angle of the first switching-on knife switch 12 on the handle shaft 10 is different from the mounting angle of the second switching-on/off knife switch 13 on the handle shaft 10.
When the handle shaft 10 rotates through the handle rocker 11, the handle shaft 10 will drive the first disconnecting link 12 and the second disconnecting link 13 to rotate, since the installation angle of the first disconnecting link 12 on the handle shaft 10 is different from the installation angle of the second disconnecting link 13 on the handle shaft 10, when the handle rocker 11 rotates to a certain angle, the two ends of the first switching knife-switch 12 are respectively connected with the first connecting copper bar 5 and the fourth connecting copper bar 7, and the two ends of the second switching knife-switch 13 are not connected with the second connecting copper bar 6 and the fifth connecting copper bar 8, at this time, the emergency power supply 1 and the low-voltage shunt switch 15 are switched on, and the transformer 14 is disconnected with the low-voltage shunt switch 15, so that the purpose of supplying power to the box-type substation by using the emergency power box is achieved; when the handle rocker 11 is rotated to another angle, the two ends of the first switching knife-switch 12 are respectively disconnected from the first connecting copper bar 5 and the fourth connecting copper bar 7, and the two ends of the second switching knife-switch 13 are respectively connected with the second connecting copper bar 6 and the fifth connecting copper bar 8, at this moment, the emergency power supply 1 and the low-voltage shunt switch 15 are disconnected, and the transformer 14 is connected with the low-voltage shunt switch 15, so that the control of the disconnection state or the connection state of the emergency power supply 1 is realized, the operation is simple, and the power-off time of a user side is obviously shortened.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (5)
1. The utility model provides an emergent power supply unit of box-type substation which characterized in that: the emergency power supply comprises an emergency power supply, a dual-power transfer switch and a handle assembly, wherein the outlet end of the dual-power transfer switch is electrically connected with a low-voltage shunt switch, and the handle assembly is used for controlling the inlet end of the dual-power transfer switch to be communicated with the emergency power supply or the transformer.
2. Emergency power supply device of a substation according to claim 1, characterized in that: the dual-power transfer switch comprises a switch shell, a first connecting copper bar for connecting the emergency power supply, a second connecting copper bar for connecting the transformer, a third connecting copper bar for connecting the low-voltage shunt switch and an on-off disconnecting link assembly, wherein the first connecting copper bar, the second connecting copper bar and the third connecting copper bar are all arranged on the switch shell, and the on-off disconnecting link assembly is arranged inside the switch shell; the handle assembly controls the on-off disconnecting link assembly to be connected with the first connecting copper bar and the third connecting copper bar or controls the on-off disconnecting link assembly to be connected with the second connecting copper bar and the third connecting copper bar.
3. Emergency power supply device of a substation according to claim 2, characterized in that: the third connecting copper bar comprises a fourth connecting copper bar, a fifth connecting copper bar and a short circuit copper bar, and the fourth connecting copper bar, the fifth connecting copper bar and the short circuit copper bar are all arranged on the switch shell; two ends of the short circuit copper bar are respectively connected with the fourth connecting copper bar and the fifth connecting copper bar; the handle assembly controls the on-off disconnecting link assembly to be connected with the first connecting copper bar and the fourth connecting copper bar or controls the on-off disconnecting link assembly to be connected with the second connecting copper bar and the fifth connecting copper bar.
4. Emergency power supply unit of a substation according to claim 3, characterized in that: the handle assembly comprises a handle shaft and a handle rocker, one end of the handle shaft is rotatably connected with the inner wall of the switch shell, the other end of the handle shaft penetrates out of the switch shell and then is fixedly connected with the handle rocker, and the switch-on/off knife switch assembly is fixedly connected with one end of the handle shaft extending into the switch shell.
5. Emergency power supply unit of a substation according to claim 4, characterized in that: divide-shut switch subassembly includes first branch's closing switch and second branch's closing switch, the both ends of first branch's closing switch are used for connecting respectively first connection copper bar with the copper bar is connected to the fourth, the both ends of second branch's closing switch are used for connecting respectively the second connect the copper bar with the copper bar is connected to the fifth, just first branch's closing switch is in the epaxial installation angle of handle with the second branch closes the closing switch and is in the epaxial installation angle of handle is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910938497.4A CN110635554A (en) | 2019-09-30 | 2019-09-30 | Emergency power supply device of box-type substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910938497.4A CN110635554A (en) | 2019-09-30 | 2019-09-30 | Emergency power supply device of box-type substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110635554A true CN110635554A (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910938497.4A Pending CN110635554A (en) | 2019-09-30 | 2019-09-30 | Emergency power supply device of box-type substation |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85205796U (en) * | 1985-12-05 | 1986-08-20 | 金剑华 | Power distribution unit with transfer switch for two power supplies |
| KR101073681B1 (en) * | 2010-06-15 | 2011-10-14 | 오성기전주식회사 | Inter lock device for bypass automatic transfer switch |
| CN104993570A (en) * | 2015-06-25 | 2015-10-21 | 国家电网公司 | Quick access apparatus for emergency power supply of low-voltage user |
| CN105186318A (en) * | 2015-08-07 | 2015-12-23 | 金华大维电子科技有限公司 | High-voltage power supply connecting device and using method of double-pole four-linkage structure |
| CN208954852U (en) * | 2018-11-08 | 2019-06-07 | 扬州新菱电器有限公司 | A kind of double power supply automatic transfer switch with overlapping neutral function |
| CN211296296U (en) * | 2019-09-30 | 2020-08-18 | 上海置信电气非晶有限公司 | Emergency power supply device of box-type substation |
-
2019
- 2019-09-30 CN CN201910938497.4A patent/CN110635554A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85205796U (en) * | 1985-12-05 | 1986-08-20 | 金剑华 | Power distribution unit with transfer switch for two power supplies |
| KR101073681B1 (en) * | 2010-06-15 | 2011-10-14 | 오성기전주식회사 | Inter lock device for bypass automatic transfer switch |
| CN104993570A (en) * | 2015-06-25 | 2015-10-21 | 国家电网公司 | Quick access apparatus for emergency power supply of low-voltage user |
| CN105186318A (en) * | 2015-08-07 | 2015-12-23 | 金华大维电子科技有限公司 | High-voltage power supply connecting device and using method of double-pole four-linkage structure |
| CN208954852U (en) * | 2018-11-08 | 2019-06-07 | 扬州新菱电器有限公司 | A kind of double power supply automatic transfer switch with overlapping neutral function |
| CN211296296U (en) * | 2019-09-30 | 2020-08-18 | 上海置信电气非晶有限公司 | Emergency power supply device of box-type substation |
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