CN203151210U - Medium voltage double power supply automatic switching apparatus - Google Patents
Medium voltage double power supply automatic switching apparatus Download PDFInfo
- Publication number
- CN203151210U CN203151210U CN 201320075090 CN201320075090U CN203151210U CN 203151210 U CN203151210 U CN 203151210U CN 201320075090 CN201320075090 CN 201320075090 CN 201320075090 U CN201320075090 U CN 201320075090U CN 203151210 U CN203151210 U CN 203151210U
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- Prior art keywords
- automatic switching
- switch
- switching device
- fixed contact
- power supply
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Abstract
The utility model discloses a medium voltage double power supply automatic switching apparatus, comprising a cabinet body composed of an upper cable chamber, a sulfur hexafluoride air chamber arranged under the upper cable chamber, a switch and an electrically-operated mechanism arranged on one side of the sulfur hexafluoride air chamber, a battery room arranged under the switch and electrically-operated mechanism, a control unit arranged under the battery room and a lower cable chamber arranged under the control unit; upper and lower incoming line cables and an outlet busbar are also included, wherein the two incoming line cables are respectively introduced from the inner of the upper cable chamber and the lower cable chamber; and the outlet busbar is introduced from an intermediate part of the cabinet body. The medium voltage double power supply automatic switching apparatus is mainly used on double channel load switch power supply inlet wire mutual standby occasions; two incoming line cables and an outlet busbar loop are combined on a six-working station switch. A curved lever type contact solves the problem of dual power supply misoperation, is simple to operate, minimizes a switch cubicle and saves investment. The battery room and the control unit realize intelligent control, remote control and electric power automatic control.
Description
Technical field
The utility model relates to a kind of power equipment, relates in particular to a kind of middle dual-power automatic switching device of pressing.
Background technology
Middle pressure duplicate supply switching device is that rated voltage is the switchgear of 12～24kV, is made up of stainless steel body, middle pressure double power-supply load swith and other electronic devices and components.Can realize that the multiple function such as switching, folding, maintenance of power supply is with the composite set of one.
In the electric power networks, there have many users that power supply reliability is required to be very high at home, and when power outage appearred in a loop, another loop must be dropped into immediately and be restored electricity, and therefore produced the problem of dual power supply.Dual power supply is to adopt two high-tension switch cabinets to add the extremely complicated loaded down with trivial details locking device of a cover at present, is strictly on guard against two loop paired runnings.This duplicate supply device has following three big defectives: 1. locking is unreliable: at present, the electrical interlocks reliability is too low, rigorous use, mechanical interlocking device country does not have unified design specification standard again, various places are designed voluntarily, are transformed, and therefore, power department is that the safe operation of safeguarding electric power networks is expressly provided: the duplicate supply device must be accepted examination before sending electricity, and special tabulation, every month walkaround inspection; 2. complicated operation: after the I loop has a power failure, need the I circuit switching is drawn back, behind the lock release with switch, the operation II circuit switching that closes because the nonstandard design processing and fabricating of mechanism's locking device is easy to jam during operation, causes great electric power accident again; 3. investment is big: present duplicate supply device, need two switch cubicles, and design locking device then, be retrofitted on the switch cubicle again.
The utility model content
The purpose of this utility model: a kind of middle dual-power automatic switching device of pressing is provided, can reduce the usage quantity of switch and switch cubicle, effectively reduce cost, improve the shortcoming of the function singleness of double power supply converting switch, multiple function integrations such as the switching of realization power supply, folding, maintenance, can when line fault, realize power supply switching fast automatically, avoid the user to cause excessive economic loss, improve reliability and the high efficiency of electric power system and changed power supply automatically for duplicate supply.
To achieve these goals, the technical solution of the utility model is:
Press dual-power automatic switching device in a kind of, comprise cabinet, described cabinet is by last cable vault, be arranged on the described sulfur hexafluoride air cell of going up the below, cable vault, be arranged on switch and the motor-operating mechanism of described sulfur hexafluoride air cell one side, be arranged on the battery chamber of described switch and motor-operating mechanism below, the following cable vault that is arranged on the control unit of below, described battery chamber and is arranged on described control unit below constitutes, also comprise up and down two inlet wire cables and outlet busbar, described two inlet wire cables reach down from described upward cable vault respectively and introduce in the cable vault, and described outlet busbar is drawn from the centre of described cabinet.
Above-mentioned middle pressure dual-power automatic switching device, wherein, described cabinet is the console mode structure, described cabinet is of a size of 500mm*950mm*1950mm.
Above-mentioned middle pressure dual-power automatic switching device, wherein, described two inlet wire cables are that plug-in is installed, described outlet busbar is that the expansion bushing type connects.
Above-mentioned middle pressure dual-power automatic switching device wherein, is provided with a reserve battery in the described battery chamber, described reserve battery is the 48V lead acid accumulator.
Above-mentioned middle pressure dual-power automatic switching device, wherein, described control unit is made up of intelligent medium voltage distribution network detection and control terminal and connecting line.
Above-mentioned middle pressure dual-power automatic switching device wherein, is provided with six station switches in the described sulfur hexafluoride air cell, described six station switches are made of rotating shaft and three curved bar structures moving contacts being arranged in the rotating shaft.
Above-mentioned middle pressure dual-power automatic switching device, wherein, every fixed contact that is provided with mutually on the shell of described sulfur hexafluoride air cell, i.e. two incoming power fixed contacts, an outlet fixed contact and a ground connection fixed contact.
Above-mentioned middle pressure dual-power automatic switching device, wherein, each described curved bar structures moving contact and the corresponding setting of described fixed contact, the crank throw angle of each incoming power fixed contact and outlet fixed contact and the crank throw angle of ground connection fixed contact and curved bar structures moving contact are consistent, are 90 °.
The utility model mainly is used in two-way on-load switch electric power incoming line standby occasion mutually, and two inlet wire cables and an outlet busbar loop are synthesized on six station switches.Its curved bar structures moving contact has solved the problem of duplicate supply misoperation, and simple to operate, has reduced by a switch cubicle simultaneously, has saved investment.Increase battery chamber and control unit, realized Based Intelligent Control and Long-distance Control, realized the automation control of electric power.
Description of drawings
Fig. 1 is the structural representation of pressing dual-power automatic switching device in the utility model.
Fig. 2 is the left view of pressing six station switches of dual-power automatic switching device in the utility model.
Fig. 3 is the structural representation of pressing the sulfur hexafluoride air cell of dual-power automatic switching device in the utility model.
Fig. 3-1 is each station of switch and the station corresponding state figure that presses dual-power automatic switching device in the utility model to Fig. 3-6.
Embodiment
Further specify embodiment of the present utility model below in conjunction with accompanying drawing.
See also shown in Figure 1, press dual-power automatic switching device in a kind of, comprise cabinet 1, described cabinet 1 is by last cable vault 2, be arranged on the described sulfur hexafluoride air cell 3 of going up 2 belows, cable vault, be arranged on switch and the motor-operating mechanism 4 of described sulfur hexafluoride air cell 3 one sides, be arranged on the battery chamber 5 of described switch and motor-operating mechanism 4 belows, the following cable vault 7 that is arranged on the control unit 6 of 5 belows, described battery chamber and is arranged on described control unit 6 belows constitutes, also comprise up and down two inlet wire cables and outlet busbar (not shown), described two inlet wire cables reach cable vault's 7 interior introducings down from the described cable vault 2 of going up respectively, and described outlet busbar is drawn from the centre of described cabinet 1.
Described cabinet 1 adopts the console mode structure, and described cabinet 1 is of a size of 500mm (wide) * 950mm (deeply) * 1950mm (height).Described two inlet wire cables adopt plug-in to install, and described outlet busbar adopts the expansion bushing type to connect.
Be provided with a reserve battery in the described battery chamber 5, described reserve battery adopts the 48V lead acid accumulator, for described switch and motor-operating mechanism 4 and control unit 6 provide reliable backup battery.
Described control unit 6 is made up of T200 intelligence medium voltage distribution network detection and control terminal and connecting line.Its major function has: 1, the automatically quick switching of duplicate supply, when main power source Un decompression continues for some time, main power source Un can introduce inlet wire in last cable vault 2 and (be called for short: I section inlet wire) cable or cable vault's 7 introducing inlet wire cables (abbreviations: freely select II section inlet wire) down, the decompression time span is adjustable, and stand-by power supply Us voltage is tripping main power source Un then normally, in I section and the II section inlet wire, when selected wherein one section be main power source, another section then is stand-by power supply, switch to stand-by power supply Us, can avoid in unmanned next section of situation power supply dead electricity, wait as long for operating personnel and the long-time power failure that causes, improve the reliability of power supply; 2, supervision on the spot and control, control terminal have local network substation function, can realize to the supervision of whole cabinet and fault detect, locking, to the control of switch motor-operating mechanism by being installed on transducer in the cabinet and the control module of self; 3, with the communicating by letter of control centre, can realize by the communication module of self with main website between communicate by letter, main website is to the control of rack etc.
See also shown in the accompanying drawing 2, be provided with six station switches in the described sulfur hexafluoride air cell 3, described six station switches are made of rotating shaft 8 and three curved bar structures moving contacts 9 being arranged in the rotating shaft.
See also shown in the accompanying drawing 3 every fixed contact that is provided with mutually on the shell of described sulfur hexafluoride air cell 3, i.e. 10, one outlet fixed contacts 11 of two incoming power fixed contacts and a ground connection fixed contact 12.
Each described curved bar structures moving contact 9 and the corresponding setting of described fixed contact, each incoming power fixed contact 10 is consistent with the crank throw angle of curved bar structures moving contact 9 with crank throw angle and the ground connection fixed contact 12 of outlet fixed contact 11, is 90 °.
See also accompanying drawing 3-1 to shown in the accompanying drawing 3-6, when the inlet wire cable was introduced from described upward cable vault 2, the switch station was shown in Fig. 3-1; When disconnecting the inlet wire cable of going up cable vault 2, the switch station is shown in Fig. 3-2; When the inlet wire cable grounding of last cable vault 2, the switch station is shown in Fig. 3-3; When the inlet wire cable was introduced from following cable vault 7, the switch station as shown in Figure 3-4; When disconnecting the inlet wire cable of following cable vault 7, the switch station is shown in Fig. 3-5; Instantly during the inlet wire cable grounding of cable vault 7, the switch station is shown in Fig. 3-6.
In sum, the utility model mainly is used in two-way on-load switch electric power incoming line standby occasion mutually, and two inlet wire cables and an outlet busbar loop are synthesized on six station switches.Its curved bar structures moving contact has solved the problem of duplicate supply misoperation, and simple to operate, has reduced by a switch cubicle simultaneously, has saved investment.Increase battery chamber and control unit, realized Based Intelligent Control and Long-distance Control, realized the automation control of electric power.
Claims (8)
1. press dual-power automatic switching device in one kind, it is characterized in that: comprise cabinet (1), described cabinet (1) is by last cable vault (2), be arranged on the described sulfur hexafluoride air cell (3) of going up below, cable vault (2), be arranged on switch and the motor-operating mechanism (4) of described sulfur hexafluoride air cell (3) one sides, be arranged on the battery chamber (5) of described switch and motor-operating mechanism (4) below, the following cable vault (7) that is arranged on the control unit (6) of described battery chamber (5) below and is arranged on described control unit (6) below constitutes, also comprise up and down two inlet wire cables and outlet busbar, described two inlet wire cables reach the interior introducing in cable vault (7) down from the described cable vault (2) of going up respectively, and described outlet busbar is drawn from the centre of described cabinet (1).
2. press dual-power automatic switching device in according to claim 1, it is characterized in that: described cabinet (1) is the console mode structure, and described cabinet (1) is of a size of 500mm*950mm*1950mm.
3. press dual-power automatic switching device in according to claim 1, it is characterized in that: described two inlet wire cables are that plug-in is installed, and described outlet busbar is that the expansion bushing type connects.
4. press dual-power automatic switching device in according to claim 1, it is characterized in that: be provided with a reserve battery in described battery chamber (5), described reserve battery is the 48V lead acid accumulator.
5. press dual-power automatic switching device in according to claim 1, it is characterized in that: described control unit (6) is made up of intelligent medium voltage distribution network detection and control terminal and connecting line.
6. press dual-power automatic switching device in according to claim 1, it is characterized in that: be provided with six station switches in the described sulfur hexafluoride air cell (3), described six station switches are made of rotating shaft (8) and three curved bar structures moving contacts (9) of being arranged in the rotating shaft.
7. press dual-power automatic switching device in according to claim 1, it is characterized in that: every fixed contact that is provided with mutually on the shell of described sulfur hexafluoride air cell (3), i.e. two incoming power fixed contacts (10), an outlet fixed contact (11) and a ground connection fixed contact (12).
8. according to claim 6 or the 7 described middle dual-power automatic switching devices of pressing, it is characterized in that: each described curved bar structures moving contact (9) and the corresponding setting of described fixed contact, each incoming power fixed contact (10) is consistent with the crank throw angle of curved bar structures moving contact (9) with crank throw angle and the ground connection fixed contact (12) of outlet fixed contact (11), is 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320075090 CN203151210U (en) | 2013-01-19 | 2013-01-19 | Medium voltage double power supply automatic switching apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320075090 CN203151210U (en) | 2013-01-19 | 2013-01-19 | Medium voltage double power supply automatic switching apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203151210U true CN203151210U (en) | 2013-08-21 |
Family
ID=48978705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320075090 Expired - Fee Related CN203151210U (en) | 2013-01-19 | 2013-01-19 | Medium voltage double power supply automatic switching apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203151210U (en) |
-
2013
- 2013-01-19 CN CN 201320075090 patent/CN203151210U/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: 20130821 Termination date: 20160119 |
|
| EXPY | Termination of patent right or utility model |