CN102496492A - Remote control phase-change switch - Google Patents
Remote control phase-change switch Download PDFInfo
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- CN102496492A CN102496492A CN2011103974825A CN201110397482A CN102496492A CN 102496492 A CN102496492 A CN 102496492A CN 2011103974825 A CN2011103974825 A CN 2011103974825A CN 201110397482 A CN201110397482 A CN 201110397482A CN 102496492 A CN102496492 A CN 102496492A
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Abstract
The invention relates to a remote control phase-change switch, which is provided with an input end connected with three phase lines, an output end connected with an output line and a rotating shaft. A reversed U-shaped moving contact is fixed on the rotating shaft, a sliding sheet type output contact is arranged at one end corresponding to the reversed U-shaped moving contact, and the output contact is connected with the output end. Three input contacts respectively corresponding to the three phase lines are arranged at the other end corresponding to the reversed U-shaped moving contact, the input contacts of all the three phase lines are circumferentially and separately distributed with the same diameter and with the rotating shaft as the center, and the input contacts are respectively connected with input ends of the three phase lines. The remote control phase-change switch can smoothly achieve switching of a certain single-phase load in all the phase lines of a three-phase power supply circuit, thoroughly solves problems of short circuit of two phase lines during faults of the switch, is favorable for achieving balanced distribution of load of all phases, solves the problem of automation in adjustment of circuit load, facilitates remote control operation, is safe and reliable, and can be widely used in the field of low-voltage power supply and power grid operation.
Description
Technical field
The present invention relates to a kind of remote control phase-change switch, belong to low-voltage electrical apparatus control technology field.
Background technology
Make as a whole electric power system; In its three-phase power line; Sharing of load equilibrium between each phase line is very to be necessary; The phase line current balance problem that this not only relates to three-phase power line also relates to the problem of many aspects such as the economical operation that reduces line loss, electrical network and safety.
Because the imbalance of electric power system three-phase load, a certain phase load is bigger than normal, and line loss is increased.Simultaneously, this phase circuit is worked under big load, both can influence the security of operation of transformer, has reduced the power supply capacity of transformer again.
The electrician of power department needed to on-the-spot circuit switched when the load of each phase supply line of adjustment in the past, and doing like this wastes time and energy, so the adjustment of line load often can not in time be adjusted with the variation of line load; Even adjusted, line load changes again often, so, always the load adjustment can not in time be caught up with.So just cause line loss to increase, the economical operation property of whole electric power system is relatively poor.
The day for announcing is on 05 18th, 2011; Notification number is the patent of invention of CN201839007U; Disclose a kind of " remote control phase place automatic transfer switch ", can realize the switching of a certain single-phase load between each phase line of three-phase power line smoothly, also solved the automation issues of line load adjustment; The equilibrium that helps to realize each alternate load automatically distributes, and is convenient to remote operation.In this switch, be provided with three separate single-phase switchs, the power input of three single-phase switchs respectively with the corresponding connection of three phase lines of three phase mains, the output parallel connection of three single-phase switchs, corresponding connection with the load side power input line.The situation that this structure still can not fundamentally avoid two phase lines to connect simultaneously in case switch breaks down, causes two phase lines to be connected simultaneously when being short-circuited, and just causes accident of power supply.Therefore its security reliability still awaits further improvement.
Summary of the invention
The object of the present invention is to provide a kind of remote control phase-change switch, the situation of two phase line short circuits takes place when thoroughly solving switch and breaking down, safe and reliable, be beneficial to and realize control automatically.
Remote control phase-change switch of the present invention; The input and the output that is connected output line that connect the three-phase phase line are arranged, it is characterized in that being provided with a rotating shaft, be fixed with the moving contact of ∏ shape in the rotating shaft; One end of corresponding ∏ shape moving contact is provided with slide sheet type output contact, and the output contact connects output; Three input contacts that the other end setting of corresponding ∏ shape moving contact is corresponding respectively with triple line, each phase line input contact are that the circumferential isometrical isolation in center distributes with the rotating shaft, and the input contact connects the input of triple line respectively.
In application process; Rotation through rotating shaft can drive the moving contact rotation; One end of ∏ shape moving contact is being exported in the contact contact process with slide sheet type, and the other end of ∏ shape moving contact can contact with three input contacts of triple line respectively according to realization is set, and realizes being switched on or switched off of each phase line through rotation action; Flexible movements are switched in the connection of accomplishing each phase line.Each phase line input contact is isolated distribution, has fundamentally thoroughly avoided any two or three situations that phase line is connected simultaneously, and is safe and reliable, and is beneficial to realization control automatically.
Moving contact is as long as can realize contacting with output the good of contact with the input contact, and frame mode has multiple, like normally used fastening clip type, and also can moving contact and input contact and the exchange of output structure of contact terminal.
Utilize motor and control can realize automatic control; Motor and line shaft are set; Rotating shaft is connected with line shaft, through unilateral bearing gear wheel is installed on the line shaft, on the motor shaft of motor pinion is installed; Large and small gear is meshing with each other, and corresponding each phase line input contact is provided with the register control of control motor respectively.
Register control preferably is made up of position-sensing switch and shake-up head, and rotating shaft places in the housing that is made up of base, centre circle and loam cake, and position-sensing switch is installed in and covers, and touches head and is fixedly connected with line shaft.Compact conformation, it is little to take up room.
Establish the inside corner hole on the top of line shaft, corresponding inside corner hole is equipped with operating grip, can realize manually, uses during in order to power failure.The inside corner hole can be three corner angle holes, four corner angle holes, five corner angle holes, six corner angle holes, seven corner angle holes etc.
The phase-change switch of manufacturing with described remote control phase-change switch; Single-phase switch is arranged; Single-phase switch has input and output, and its technical characterstic is that remote control phase-change switch and single-phase switch are linked, and the output contact of remote control phase-change switch is connected with the phase line input of single-phase switch.
The flexible movements of remote control phase-change switch, security reliability have guaranteed the flexible movements, safe and reliable of phase-change switch.
Among the present invention, can increase corresponding conventional components, realize corresponding conventional func, as increasing shell protection, increase the connection support component, increasing fixed support part, various sheath, axle sleeve etc.
The present invention compared with prior art has following beneficial effect:
The present invention raises rectification on the CN201839007U basis and advances; Not only can realize the switching of a certain single-phase load between each phase line of three-phase power line smoothly; Thoroughly solve the situation that two phase line short circuits take place when switch breaks down, the equilibrium that helps to realize each alternate load distributes, and has also solved the automation issues of line load adjustment; Be convenient to remote operation, and safe and reliable.
The present invention can be widely used in low-voltage power supply and power network operation field.
Description of drawings
Fig. 1, embodiment of the invention structural representation.
The schematic top plan view of Fig. 2, Fig. 1.
Among the figure: 1, line shaft 2, phase place direction board 3, gear bush 4, gear wheel 5, motor fixing plate 6, axle sleeve 7, position-sensing switch 8, loam cake 9, output contact 10, moving contact 11, centre circle 12, input contact 13, base 14, base plate 15, rotating shaft 16, unilateral bearing 17, touch a holder 18, touch 19, set bolt 20, pinion 21, motor 22, interior six corner angle holes.
Embodiment
In conjunction with the foregoing description accompanying drawing the present invention is described further.
Like Fig. 1, shown in Figure 2; Remote control phase-change switch of the present invention; The input and the output that is connected output line that connect the three-phase phase line are arranged, a rotating shaft 15 is set, be fixed with the moving contact 10 of ∏ shape in the rotating shaft 15; One end of corresponding ∏ shape moving contact 10 is provided with slide sheet type output contact 9, and output contact 9 connects output; Three input contacts 12 that the other end setting of corresponding ∏ shape moving contact 10 is corresponding respectively with triple line, each phase line input contact 12 are that the circumferential isometrical isolation in center distributes with rotating shaft 15, and input contact 12 connects the input of triple line respectively.
Register control by position-sensing switch 7 with touch 18 and constitute, rotating shaft 15 places in the shell that is made up of base 13, centre circle 11 and loam cake 8, register control is installed on the loam cake 8, touches 18 and is fixedly connected with line shaft 1.
Be provided with interior six corner angle holes 22 on the top of line shaft 1, corresponding interior six corner angle holes 22 are equipped with operating grips, manual operation during convenient the power failure.
Phase-change switch with above-mentioned described remote control phase-change switch is manufactured has single-phase switch, and single-phase switch has input and output, and remote control phase-change switch and single-phase switch are linked, and the output contact of remote control phase-change switch is connected with the phase line input of single-phase switch.
Operation principle:
Phase-change switch of the present invention, after receiving the commutation instruction, at first the single-phase switch tripping operation has a power failure; Thereafter motor 21 energisings are rotated; Pinion 20 drives passive gear wheel 4 as driving gear, drives the line shaft 1 that is installed in the unilateral bearing 16 and clockwise rotates, and touches 18 and is fixed on the line shaft 1 and fixing by touching a holder 17; Line shaft 1 is connected through touching a holder 17 with rotating shaft 15 simultaneously, and rotating shaft 15 can be rotated with line shaft 1.Rotating shaft 15 drives moving contact 10 rotations, when the appointment phase time that promptly will switch that rotates to input contact 12, and the shake-up of register control 18 a shake-up position-sensing switch 7; Position-sensing switch 7 sends control signal; Make motor 21 outages, output contact 9 connects mutually (promptly switch and specify phase) through moving contact 10 to be connected with input contact 12, instructs single-phase switch to restore electricity again; Realize the commutation of load phase line this moment, switch work is accomplished.
Manual operation:
When the switch electronic function is damaged, can adopt manual commutation.Earlier single-phase switch is pulled to separating brake, and pressed manual brake separating, in the interior six corner angle holes 22 with the insertion of six corner angle spanners, turning clockwise drives rotating shaft 15 rotations that are installed in the unilateral bearing 16 again.Rotating shaft 15 drives moving contact 10 rotations; When the appointment phase time that promptly will switch that rotates to input contact 12 gets final product; Output contact 9 connects mutually (switch and specify phase) through moving contact 10 to be connected with input contact 12, again with single-phase switch manual brake separating return, and its mains switch is pulled to the combined floodgate recovery send; Realize the commutation of load phase line this moment, switch work is accomplished.
Because the setting of unilateral bearing 16, during the mobile phone commutation, pinion 20 is motionless with gear wheel 4 and motor 21.
Claims (5)
1. remote control phase-change switch; The input and the output that is connected output line that connect the three-phase phase line are arranged, it is characterized in that being provided with a rotating shaft, be fixed with the moving contact of ∏ shape in the rotating shaft; One end of corresponding ∏ shape moving contact is provided with slide sheet type output contact, and the output contact connects output; Three input contacts that the other end setting of corresponding ∏ shape moving contact is corresponding respectively with triple line, each phase line input contact are that the circumferential isometrical isolation in center distributes with the rotating shaft, and the input contact connects the input of triple line respectively.
2. remote control phase-change switch according to claim 1; It is characterized in that being provided with motor and line shaft; Rotating shaft is connected with line shaft, through unilateral bearing gear wheel is installed on the line shaft, on the motor shaft of motor pinion is installed; Large and small gear is meshing with each other, and corresponding each phase line input contact is provided with the register control of control motor respectively.
3. remote control phase-change switch according to claim 2; It is characterized in that register control is made up of position-sensing switch and shake-up head; Rotating shaft places in the housing that is made up of base, centre circle and loam cake, and position-sensing switch is installed in and covers, and touches head and is fixedly connected with line shaft.
4. remote control phase-change switch according to claim 3 is characterized in that the top of line shaft is provided with the inside corner hole, and corresponding inside corner hole is equipped with operating grip.
5. phase-change switch of manufacturing with the described remote control phase-change switch of the arbitrary claim of claim 1-4; Single-phase switch is arranged; Single-phase switch has input and output; It is characterized in that remote control phase-change switch and single-phase switch are linked, the output contact of remote control phase-change switch is connected with the phase line input of single-phase switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110397482.5A CN102496492B (en) | 2011-12-03 | 2011-12-03 | Remote control phase-change switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110397482.5A CN102496492B (en) | 2011-12-03 | 2011-12-03 | Remote control phase-change switch |
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| Publication Number | Publication Date |
|---|---|
| CN102496492A true CN102496492A (en) | 2012-06-13 |
| CN102496492B CN102496492B (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110397482.5A Active CN102496492B (en) | 2011-12-03 | 2011-12-03 | Remote control phase-change switch |
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| CN (1) | CN102496492B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113782352A (en) * | 2021-09-13 | 2021-12-10 | 国网安徽省电力有限公司滁州供电公司 | Three-in one-out phase change switch |
| CN115101361A (en) * | 2022-06-21 | 2022-09-23 | 国网山东省电力公司成武县供电公司 | Automatic load distribution switch for low-voltage line |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2042640U (en) * | 1988-08-03 | 1989-08-09 | 山东省滨洲市电业局 | Automatic power limiting thow-back device |
| CN101609991A (en) * | 2009-07-15 | 2009-12-23 | 王霞 | Three-phase load transfer device |
| CN201408716Y (en) * | 2009-04-29 | 2010-02-17 | 山东卓尔电气有限公司 | Lock-catch electromagnetic comprehensive leakage protector |
| CN201839007U (en) * | 2010-07-01 | 2011-05-18 | 山东卓尔电气有限公司 | Remote control automatic phase selecting switch |
| CN202473637U (en) * | 2011-12-03 | 2012-10-03 | 山东卓尔电气有限公司 | Remote control phase-change switch and phase-change switch |
-
2011
- 2011-12-03 CN CN201110397482.5A patent/CN102496492B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2042640U (en) * | 1988-08-03 | 1989-08-09 | 山东省滨洲市电业局 | Automatic power limiting thow-back device |
| CN201408716Y (en) * | 2009-04-29 | 2010-02-17 | 山东卓尔电气有限公司 | Lock-catch electromagnetic comprehensive leakage protector |
| CN101609991A (en) * | 2009-07-15 | 2009-12-23 | 王霞 | Three-phase load transfer device |
| CN201839007U (en) * | 2010-07-01 | 2011-05-18 | 山东卓尔电气有限公司 | Remote control automatic phase selecting switch |
| CN202473637U (en) * | 2011-12-03 | 2012-10-03 | 山东卓尔电气有限公司 | Remote control phase-change switch and phase-change switch |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113782352A (en) * | 2021-09-13 | 2021-12-10 | 国网安徽省电力有限公司滁州供电公司 | Three-in one-out phase change switch |
| CN113782352B (en) * | 2021-09-13 | 2023-08-04 | 国网安徽省电力有限公司滁州供电公司 | Three-in one-out phase change switch |
| CN115101361A (en) * | 2022-06-21 | 2022-09-23 | 国网山东省电力公司成武县供电公司 | Automatic load distribution switch for low-voltage line |
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| Publication number | Publication date |
|---|---|
| CN102496492B (en) | 2014-02-12 |
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Owner name: STATE GRID FUJIAN JINJIANG POWER SUPPLY CO., LTD. Effective date: 20140522 |
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Effective date of registration: 20140522 Address after: 255086 A, block 526, hi tech Zone, hi tech Zone, Shandong, Zibo Patentee after: SHANDONG ZHUOER ELECTRIC Co.,Ltd. Patentee after: STATE GRID FUJIAN JINJIANG POWER SUPPLY Co.,Ltd. Address before: 255086 A, block 526, hi tech Zone, hi tech Zone, Shandong, Zibo Patentee before: SHANDONG ZHUOER ELECTRIC Co.,Ltd. |
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Effective date of registration: 20151125 Address after: 255086 A, block 526, hi tech Zone, hi tech Zone, Shandong, Zibo Patentee after: SHANDONG ZHUOER ELECTRIC Co.,Ltd. Address before: 255086 A, block 526, hi tech Zone, hi tech Zone, Shandong, Zibo Patentee before: SHANDONG ZHUOER ELECTRIC Co.,Ltd. Patentee before: STATE GRID FUJIAN JINJIANG POWER SUPPLY Co.,Ltd. |
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Effective date of registration: 20210430 Address after: Room 10-2023, building 5, 6, 9, 10, No.3, Shenzhen East Road, Huaian Economic and Technological Development Zone, Jiangsu 223001 Patentee after: Jiangsu Meiye Environmental Protection Technology Development Co.,Ltd. Address before: 255086 room 526, block A, hi tech Pioneer Park, hi tech Zone, Zibo, Shandong. Patentee before: SHANDONG ZHUOER ELECTRIC Co.,Ltd. |
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