CN209030130U - Switchgear disconnecting switch electrically operated device - Google Patents
Switchgear disconnecting switch electrically operated device Download PDFInfo
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- CN209030130U CN209030130U CN201821865566.0U CN201821865566U CN209030130U CN 209030130 U CN209030130 U CN 209030130U CN 201821865566 U CN201821865566 U CN 201821865566U CN 209030130 U CN209030130 U CN 209030130U
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Abstract
The utility model provides switchgear disconnecting switch electrically operated device, including DC speed-reducing and driving control structure；The motion end of driving control structure and isolation switch free end are sequentially connected；Driving control structure and DC speed-reducing control signal transmission.Driving control structure includes input unit, mechanical encoder, Lineside encoding unit, screw rod, drive rod, display device, the first digital analog converter, the second digital analog converter, hysteresis loop comparator, NOT gate and H bridge driving unit；DC speed-reducing, mechanical encoder and screw rod sequence axis connection, screw rod are equipped with feed screw nut, and feed screw nut is equipped with drive rod；The output of mechanical encoder is connected with the input of the first digital analog converter.The utility model proposes switchgear disconnecting switch electrically operated device, be able to solve the difficult problem of manual operation switch cabinet folding, realize automatic opening and closing in place.
Description
Technical field
The utility model relates to technical field of electric equipment, and in particular to switchgear disconnecting switch electrically operated device.
Background technique
High voltage isolator is device for switching important in electric system, it is matched with high-voltage circuitbreaker, guarantees inspection
Safety of the personnel when high-voltage electrical apparatus and device work is repaired, isolation voltage is played the role of.It is outdoor high in existing electric system
Disconnecting switch is pressed, because voltage class is high, space is big, DC speed-reducing structure is mostly used to realize the division of disconnecting switch.However, right
In the high-tension apparatus of 35 kilovolts, 10 kilovolts lower voltage grades, it is built in indoor using switchgear form, outfit electric operating machine more
Structure is at high cost, insufficient space.So cubicle switch cabinet mostly uses the division of manual operation realization disconnecting switch.But some changes
There is manual division difficulty because equipment is old or disconnecting switch bayonet tension in power station.
Therefore, the cost for needing to design a kind of suitable cubicle switch cabinet at present is low, section space-efficient motor-operating mechanism, solution
The laborious problem of certainly manual division.
Utility model content
Problem to be solved in the utility model be for above-mentioned insufficient in the presence of the prior art and provide switchgear every
From switch on/off electric operating device, switch isolation switch is driven by DC speed-reducing, there is travel switch, can be realized every
The drawing operation for leaving pass, guarantees disconnecting switch opening and closing in place；And by mechanical encoder, Lineside encoding unit respectively to straight
It flows decelerating motor driving electric brake position and carries out range setting, guarantee the safely, effectively operation of switchgear；Substation is solved because setting
Standby old or disconnecting switch bayonet tension, the problem of existing manual division difficulty.
A part to achieve the above object, the utility model use the following technical solution:
Switchgear disconnecting switch electrically operated device, including DC speed-reducing and driving control structure；Transmission control knot
The motion end of structure and isolation switch free end are sequentially connected；The driving control structure and DC speed-reducing control signal pass
It is defeated.
Further, the driving control structure includes input unit, mechanical encoder, Lineside encoding unit, screw rod, biography
Lever, display device, the first digital analog converter, the second digital analog converter, hysteresis loop comparator, NOT gate and H bridge driving unit；It is described
DC speed-reducing, mechanical encoder and screw rod sequence axis connection, screw rod are equipped with feed screw nut, and feed screw nut, which is equipped with, to be passed
The output of mechanical encoder described in lever is connected with the input of the first digital analog converter；The output of the input unit and electronics
The input of encoder connects；The output of the Lineside encoding unit is connected with the input of the second digital analog converter；The display device
It is connect with the output of mechanical encoder, Lineside encoding unit；First digital analog converter, the output of the second digital analog converter are equal
It is connected with the input of hysteresis loop comparator；The input of the output NAND gate of the hysteresis loop comparator is connected；It is the hysteresis loop comparator, non-
The output of door is connected with H bridge driving unit；The output of the H bridge driving unit is connected with DC speed-reducing.
Further, the driving control structure also includes same or door, relay drive unit, relay and power supply mould
Block；The output of the input unit is connect with same or door input；Same or door one of input terminal and reference ground
It is connected；The input of the relay drive unit is connected with same or door output；The control terminal of the relay drive unit with
Relay is connected；The output of the relay is connect with the input of H bridge driving unit；The relay is connect with power supply module.
Further, also comprising travel switch and with door；The travel switch connection reference ground and the input with door；
It is described that same or door output end is connect with another input terminal of door.
The working principle and beneficial effect of the utility model are as follows: gear demand information, input dress are inputted by input unit
Be set to series resistor to feeder ear Multi-band switch, to facilitate carry out code identification；Lineside encoding unit is to received level signal
It is encoded, according to parameter setting, the position of open and close lock can be corresponded to, mechanical encoder perceives the rotation of DC speed-reducing
Position, compared with output corresponding with Lineside encoding unit is after digital-to-analogue conversion you can learn that motor rotation position and input position
Relationship is compared the control signal of output triggering motor action by hysteresis, and can control direct current deceleration electricity by H bridge driving unit
The forward and reverse of machine；The input signal of input unit and travel switch is converted into control signal triggering by relay drive unit
Relay effect, to control the power supply of H bridge driving unit, and enables to DC speed-reducing to shut down.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is embodiment switchgear disconnecting switch electrically operated device schematic diagram；
Fig. 2 is embodiment switchgear disconnecting switch electrically operated device schematic diagram；
Fig. 3 is the connection schematic diagram of H bridge driving unit in embodiment.
Specific embodiment
In order to make technological means of the utility model, creation characteristic, reach purpose and effect is more clear and is easy to
Understand, the utility model be further elaborated with reference to the accompanying drawings and detailed description:
As shown in Fig. 1~2, switchgear disconnecting switch electrically operated device, including DC speed-reducing 1 and transmission control knot
Structure；The motion end of driving control structure and isolation switch free end are sequentially connected；The driving control structure and direct current slow down electric
Machine control signal transmission.
The driving control structure includes input unit, mechanical encoder, Lineside encoding unit, screw rod, drive rod, display
Device, the first digital analog converter, the second digital analog converter, hysteresis loop comparator, NOT gate and H bridge driving unit；The direct current slows down
Motor 1, mechanical encoder 2 and 3 sequence axis connection of screw rod, screw rod 3 are equipped with feed screw nut 4, and feed screw nut is equipped with transmission
Bar 5；Drive rod 5 and disconnecting switch are hinged；The output of the mechanical encoder is connected with the input of the first digital analog converter；Institute
The input of the output and Lineside encoding unit of stating input unit connects；The output of the Lineside encoding unit and the second digital analog converter
Input is connected；The display device is connect with the output of mechanical encoder, Lineside encoding unit；First digital analog converter,
The output of second digital analog converter is connected with the input of hysteresis loop comparator；The input of the output NAND gate of the hysteresis loop comparator
It is connected；As shown in figure 3, the output of the hysteresis loop comparator is connected with the base stage of Q1, Q4 in H bridge driving unit or control terminal,
The output of NOT gate is connected with the base stage of Q2, Q3 in H bridge driving unit or control terminal；The output of the H bridge driving unit and straight
Decelerating motor M is flowed to be connected.Lineside encoding unit can be coding chip, be also possible to microprocessor.
The driving control structure also includes same or door, relay drive unit, relay and power supply module；The input
The output of device is connect with same or door input；Same or door one of input terminal is connected with reference ground；It is described after
The input of electrical equipment drive unit is connected with same or door output；The control terminal of the relay drive unit is connected with relay；
The output of the relay is connect with the input of H bridge driving unit；The relay is connect with power supply module.Display device can be with
It is display screen, status indicator lamp, also may include microprocessor, to realize more interactions or extension function.
Also comprising travel switch and with door；The travel switch connection reference ground and the input with door；Described and door
Another input terminal connection with or door output end；The output with door is connected with the input of relay drive unit.
When in use, travel switch can be placed in the range gear for needing to monitor, therefore, to assure that DC speed-reducing output
The feed screw nut of axis connection lead screw or telecontrol equipment being capable of touch trigger formation switches；The gear needed by input unit control
Information, so that the rotational travel of DC speed-reducing is set, the second digital analog converter output voltage after receiving input signal,
Hysteresis loop comparator exports high level signal and exports low level to H bridge driving unit branch, mechanical encoder by NOT gate
After perceiving DC speed-reducing turned position, hysteresis loop comparator is exported through the first digital analog converter, hysteresis loop comparator output is high
Level signal is in H bridge driving unit and intersects connected state to another branch of H bridge driving unit, to slow down to direct current
The working condition of motor switches over.The input signal of input unit again by with or door and travel switch trigger signal passes through and door
After judgement, relay drive unit is controlled, relay is acted on, DC speed-reducing is directly controlled.DC speed-reducing uses
When the Current Voltage instantaneous value that passes through be possible to higher, how long just general switch has more than is needed is broken, and relay is closed by matching
On the one hand suitable parameter is able to extend service life, on the other hand can accomplish to trigger control.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, it can be right
The technical solution of the utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (4)
1. switchgear disconnecting switch electrically operated device, which is characterized in that including DC speed-reducing and driving control structure；It passes
The motion end of dynamic control structure and isolation switch free end are sequentially connected；The driving control structure and DC speed-reducing control
Signal transmission.
2. switchgear disconnecting switch electrically operated device according to claim 1, which is characterized in that the transmission control knot
Structure includes input unit, mechanical encoder, Lineside encoding unit, screw rod, drive rod, display device, the first digital analog converter, the
Two digital analog converters, hysteresis loop comparator, NOT gate and H bridge driving unit；The DC speed-reducing, mechanical encoder and screw rod
Sequence axis connection, screw rod are equipped with feed screw nut, and feed screw nut is equipped with the output and the of mechanical encoder described in drive rod
The input of one digital analog converter is connected；The output of the input unit and the input of Lineside encoding unit connect；The electronic code
The output of device is connected with the input of the second digital analog converter；The display device and mechanical encoder, Lineside encoding unit it is defeated
It connects out；The output of first digital analog converter, the second digital analog converter is connected with the input of hysteresis loop comparator；It is described stagnant
The input for returning the output NAND gate of comparator is connected；The output of the hysteresis loop comparator, NOT gate is connected with H bridge driving unit；
The output of the H bridge driving unit is connected with DC speed-reducing.
3. switchgear disconnecting switch electrically operated device according to claim 2, which is characterized in that the transmission control knot
Structure also includes same or door, relay drive unit, relay and power supply module；The input unit output with together or door it is defeated
Enter connection；Same or door one of input terminal is connected with reference ground；The input of the relay drive unit and same
Or the output of door is connected；The control terminal of the relay drive unit is connected with relay；The output of the relay and H bridge drive
The input of moving cell connects；The relay is connect with power supply module.
4. switchgear disconnecting switch electrically operated device according to claim 3, which is characterized in that also include travel switch
With with door；The travel switch connection reference ground and the input with door；It is described that same or door is connect with another input terminal of door
Output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821865566.0U CN209030130U (en) | 2018-11-13 | 2018-11-13 | Switchgear disconnecting switch electrically operated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821865566.0U CN209030130U (en) | 2018-11-13 | 2018-11-13 | Switchgear disconnecting switch electrically operated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209030130U true CN209030130U (en) | 2019-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821865566.0U Active CN209030130U (en) | 2018-11-13 | 2018-11-13 | Switchgear disconnecting switch electrically operated device |
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| CN (1) | CN209030130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109216058A (en) * | 2018-11-13 | 2019-01-15 | 国网重庆市电力公司璧山供电分公司 | A kind of switchgear disconnecting switch motor-operating mechanism |
-
2018
- 2018-11-13 CN CN201821865566.0U patent/CN209030130U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109216058A (en) * | 2018-11-13 | 2019-01-15 | 国网重庆市电力公司璧山供电分公司 | A kind of switchgear disconnecting switch motor-operating mechanism |
| CN109216058B (en) * | 2018-11-13 | 2023-08-01 | 国网重庆市电力公司璧山供电分公司 | Electric operating mechanism of isolating switch of switch cabinet |
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