CN207039496U - A kind of positive and negative rotary driving device of automatic change-over based on series excited machine - Google Patents
A kind of positive and negative rotary driving device of automatic change-over based on series excited machine Download PDFInfo
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- CN207039496U CN207039496U CN201720745062.4U CN201720745062U CN207039496U CN 207039496 U CN207039496 U CN 207039496U CN 201720745062 U CN201720745062 U CN 201720745062U CN 207039496 U CN207039496 U CN 207039496U
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- 238000004804 winding Methods 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
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- 235000008434 ginseng Nutrition 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
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Abstract
The utility model discloses a kind of positive and negative rotary driving device of the automatic change-over based on series excited machine, it includes active and standby order relay KA1, double divides order relay KA4, rotating control relay KA3, KA2, active and standby position travel switch K1, K2, series excited machine M1 and order button S1, S2.The utility model utilizes rotating control relay KA3 and KA2, position travel switch K1 and K2, order the relay KA1 and KA4 of change-over switch, receive and rotate control command from order button S1 and S2, change direction of motor rotation by changing the single winding current direction of series excited machine, so as to realize the various switching motions of change-over switch.
Description
Technical field
The utility model relates to a kind of automatic change-over rotating control based on series excited machine and electrical interlocks
Device, belong to technical field of electromechanical control.
Background technology
Automatic change-over has been widely used in various distribution systems, and the major function of its change-over switch is to realize
The mutual switching of main power supply, to ensure the continuity of power supply for electrical equipment and reliability.To realize the flat of active and standby two-way power supply
Steady switching, is typically necessary certain drive dynamic control device.Conventional drive control has two types：Motor is driven and excitation is driven
It is dynamic, wherein, excitation driving dash current is larger, mechanical structure is relative complex, few in practical application；Motor drives its machinery knot
Structure is simple, transfer process is steady, driving current is relatively small and is widely adopted.But need to realize during driving due to motor and drive
The rotating control of the electrical interlocks and motor of dynamic device so that the input control signal of drive device is numerous and diverse and more, such as main
Closed a floodgate with power supply, stand-by power supply closes a floodgate, it is active and standby it is double grade, and each control command is required for single drive signal and electrically connected
Lock control so that electrically realize relative complex, cumbersome, thus greatly reduce the reliability used.
The content of the invention
The utility model aims to overcome that insufficient existing for above-mentioned technology, there is provided a kind of simple in construction, low manufacture cost
It is honest and clean, electrical interlocks is reliable, stable, strong antijamming capability the positive and negative rotary driving device of automatic change-over series excited machine.
The positive and negative rotary driving device of a kind of automatic change-over based on series excited machine described in the utility model, utilizes conversion
Rotating control relay KA3 and KA2, position travel switch K1 and K2, order the relay KA1 and KA4 of switch, reception come from
Order button S1 and S2 rotate control command, change motor rotation side by changing the single winding current direction of series excited machine
To so as to realize the various switching motions of change-over switch, it includes active and standby order relay KA1, double divides order relay
KA4, rotating control relay KA3, KA2, active and standby position travel switch K1, K2, series excited machine M1 and order button S1, S2,
It is characterized in that：Active and standby rotating relay KA3, KA2 transfer contact directly connects with series excited machine M1 lead-out wire in described device
Connect, for controlling the sense of current of series excited machine, realize rotating operation and the electrical interlocks of series excited machine；Active and standby order relay
Device KA1, it is double divide order relay KA4 and active and standby position travel switch K1, K2 to be connected with each other, for producing main power supply conversion control
Ceasing and desisting order after system order and main power supply opening and closing in place, while realize electrical interlocks.
The utility model after above-mentioned design compared with prior art, has advantages below：
1st, greatly simplify input control command, whole transfer process is realized by internal drive, control signal without
Drive device internal conversion and action process need to be concerned about, input only provides two control command buttons S1, S2；Wherein S1 is used for
Active and standby order of closing a floodgate is inputted, realizes the combined floodgate of main power supply, S2 is used to input double points of orders, can be achieved active and standby double points.And S2
Right of execution limit for height in S1, i.e., no matter it is primary combined floodgate or standby "on" position, all motor forward or reverse is caused active and standby
Double points.
2nd, the current loop of rotating control and the conversion and control order of series excited machine is completely isolated, is formed respectively independent
Electrical interlocks loop so that the drive device causes structure more simple and clear, apparatus function while realizing modularized design
Definitely.
3rd, drive device internal control and electrical interlocks are all realized by relay and travel switch, no microelectronic component ginseng
With control so that the antijamming capability of drive device greatly improves so that transfer process is more accurately, stably, reliably.
Brief description of the drawings
Fig. 1 is electrical schematic diagram of the present utility model
Embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is further illustrated：
The positive and negative rotary driving device of a kind of automatic change-over based on series excited machine described in the utility model, including it is active and standby
Order relay KA1, it is double divide order relay KA4, rotating control relay KA3, KA2, active and standby position travel switch K1,
K2, series excited machine M1 and order button S1, S2；Active and standby order relay KA1, rotating control relay KA3, KA2 and double points
One end of order relay KA4 line bags is connected with public power wire N_COM；Order button S1 and active and standby order relay KA1 lines
The bag other end is connected, for controlling the primary combined floodgate of output or standby order of closing a floodgate；Active and standby order relay KA1 transfer contacts are public
End KA1_C1 is connected with public phase line L_COM, and the opened point KA1_NO1 of active and standby order relay KA1 transfer contacts is connected simultaneously
Divide order relay KA4 transfer contact KA4_NO1 ends, active and standby order relay KA1 with double in primary travel switch K1 COM ends
The normally closed point KA1_NC1 of transfer contact is connected to standby line switch K2 COM ends simultaneously and order relay KA4 conversions in double minutes are touched
Point KA4_NO4 ends；Primary travel switch K1 NC ends be connected to it is double divide order relay KA4 transfer contact KA4_NC3 ends, it is primary
Travel switch K1 NO ends, which are connected to, double divides order relay KA4 transfer contact KA4_NO2 ends；Standby line switchs K2 NC ends
Be connected to it is double divide order relay KA4 transfer contact KA4_NC2 ends, standby line switch K2 NO ends be connected to double points of orders after
Electrical equipment KA4 transfer contact KA4_NO3 ends；Double common port KA4_C1, KA4_C4 for dividing order relay KA4 transfer contacts with it is public
Phase line L_COM connections, KA4_C2, KA4_C3 are connected with rotating relay KA3, KA2 the line bag other end respectively；Other series excitation
The lead-out wire R of motor is connected with public phase line L_COM, and lead-out wire B connects rotating relay KA2, KA3 transfer contact simultaneously
KA2_NO2 and KA3_NO1 ends, lead-out wire G connect the KA2_NC1 and KA3_ of rotating relay KA3, KA2 transfer contact simultaneously
NC1 ends, lead-out wire W connect KA2_NO1 the and KA2_NC2 ends of rotating relay KA3, KA2 transfer contact simultaneously；And will be positive and negative
Turn relay KA3, KA2 transfer contact common port KA2_C1, KA3_C1 and carry out short circuit, rotating relay KA2 transfer contact
Common port KA2_C2 is connected with N_COM.
Working method of the present utility model is achieved like this：
The utility model using rotating the control relay KA3 and KA2 of change-over switch, position travel switch K1 and K2,
Order active and standby order relay KA1 to divide order relay KA4 with double, receive and rotate control command from order button S1 and S2,
Change direction of motor rotation by changing the single winding current direction of series excited machine, so as to realize the various conversions of change-over switch
Action.Lead-out wire of rotating relay KA3, KA2 transfer contact directly with series excited machine M1 is connected in device, is gone here and there for controlling
Swash the sense of current of motor, realize rotating operation and the electrical interlocks of series excited machine.I.e. as rotating forward relay KA3 lines Bao get electricity
When, series excited machine current direction is L_COM- ＞ R- ＞ G- ＞ B- ＞ W- ＞ N_COM；When inverting relay KA2 line Bao get electricity,
Series excited machine current direction is L_COM- ＞ R- ＞ G- ＞ W- ＞ B- ＞ N_COM；When rotating relay KA3, KA2 must not electricity
When, series excited machine no current flows through, then stops operating.It need to only control rotating relay KA3, KA2 that series excitation electricity can be achieved
The rotation direction of machine.
Active and standby order relay KA1, it is double divide order relay KA4 and active and standby position travel switch K1, K2 to be connected with each other, use
Ceasing and desisting order after the order of main power supply conversion and control and main power supply opening and closing in place is produced, while realize electrical interlocks.S1、
S2 is control command button, and wherein S1 is used to input active and standby order of closing a floodgate, and realizes the combined floodgate of main power supply：When S1 is pressed, make
Rotate forward relay KA3 and obtain electric, send and rotate forward primary order of closing a floodgate until primary combined floodgate；When S1 is lifted so that reversion relay
KA2 obtains electric, sends the standby order of closing a floodgate of reversion until standby combined floodgate.S2 is used to input double points of orders, can be achieved active and standby double points.Together
When the conversion and control order loop and series excited machine current loop it is completely isolated, realize independent electrical interlocks.
The control of the utility model circuit is simple, cost of manufacture is cheap, electrical interlocks is reliable, stable, antijamming capability
By force, it is widely used in various distribution systems.
Claims (1)
1. a kind of positive and negative rotary driving device of automatic change-over based on series excited machine, include active and standby order relay KA1, double
Divide order relay KA4, rotating control relay KA3, KA2, active and standby position travel switch K1, K2, series excited machine M1 and life
Button S1, S2 are made, it is characterized in that：Active and standby rotating relay KA3, KA2 transfer contact is directly and series excited machine in described device
M1 lead-out wire connection, for controlling the sense of current of series excited machine, realizes rotating operation and the electrical interlocks of series excited machine；
Active and standby order relay KA1, it is double divide order relay KA4 and active and standby position travel switch K1, K2 to be connected with each other, for producing master
Ceasing and desisting order after the order of stand-by power source conversion and control and main power supply opening and closing in place, while realize electrical interlocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720745062.4U CN207039496U (en) | 2017-06-23 | 2017-06-23 | A kind of positive and negative rotary driving device of automatic change-over based on series excited machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720745062.4U CN207039496U (en) | 2017-06-23 | 2017-06-23 | A kind of positive and negative rotary driving device of automatic change-over based on series excited machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207039496U true CN207039496U (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720745062.4U Expired - Fee Related CN207039496U (en) | 2017-06-23 | 2017-06-23 | A kind of positive and negative rotary driving device of automatic change-over based on series excited machine |
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| Country | Link |
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| CN (1) | CN207039496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114023576A (en) * | 2021-10-29 | 2022-02-08 | 平高集团有限公司 | Three-position switch operating mechanism |
-
2017
- 2017-06-23 CN CN201720745062.4U patent/CN207039496U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114023576A (en) * | 2021-10-29 | 2022-02-08 | 平高集团有限公司 | Three-position switch operating mechanism |
| CN114023576B (en) * | 2021-10-29 | 2023-03-07 | 平高集团有限公司 | Three-position switch operating mechanism |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 |