CN113934178B

CN113934178B - Complex intelligent control system for safety power supply

Info

Publication number: CN113934178B
Application number: CN202111545412.XA
Authority: CN
Inventors: 张长强; 秦健; 周健; 王睿
Original assignee: Jiangsu Anshilang Intelligent Technology Co ltd
Current assignee: Jiangsu Anshilang Intelligent Technology Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-03-11
Anticipated expiration: 2041-12-17
Also published as: CN113934178A

Abstract

The invention belongs to the field of cell voltage acquisition circuits, and particularly relates to a complex intelligent control system of a safety power supply, which comprises a power supply, a control center and control terminal equipment, wherein the power supply comprises a first circuit, a second circuit and a standby circuit, the first circuit and the second circuit are main power sources, relays for controlling circuit switches are respectively arranged in the first circuit, the second circuit and the standby circuit, the control center comprises an acquisition module and a switching module, and the switching module switches the circuits; through setting up first circuit and second circuit and supplying power simultaneously, the problem that the two broke down simultaneously is less, consequently, can improve the security and the stability of power supply, when the power of the same kind in the main power supply broke down out of work, starts stand-by power supply to alleviate the operating pressure of another way power in the main power supply, for the maintenance of trouble circuit provides the time, further improved power supply security and stability.

Description

Complex intelligent control system for safety power supply

Technical Field

The invention belongs to the field of a cell voltage acquisition circuit, and particularly relates to a complex intelligent control system of a safety power supply.

Background

In industrial production, traffic management and daily life, an electric power system is used, and in order to guarantee normal operation of production and life, a power supply needs to be reasonably controlled.

A chinese patent with publication number CN112260332A discloses an intelligent control system for a start-up power supply, which comprises a capacitor, a heating plate, a lithium battery pack and a battery management system, wherein a current sampling resistor monitors the working state of the lithium battery pack, transmits detection information to a microprocessor, issues an instruction through the microprocessor, and then can control the state of the lithium battery pack by using the intelligent control system; when the lithium battery pack has serious power shortage, the full-speed charging module in the intelligent control system starts a full-speed charging mode to rapidly supplement the electric quantity of the lithium battery pack, so that the lithium battery pack rapidly reaches a saturated state.

The intelligent control system for the starting power supply has the problems that in the actual use process, due to the influence of natural environment and human factors, a circuit of a power supply may break down, and at the moment, a standby power supply needs to be started to work.

Therefore, the invention provides a complex intelligent control system of a safety power supply.

Disclosure of Invention

To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a complex intelligent control system of a safety power supply, which comprises a power supply, a control center and control terminal equipment, wherein the power supply comprises a first circuit, a second circuit and a standby circuit, the first circuit and the second circuit are main power sources, relays of control circuit switches are arranged in the first circuit, the second circuit and the standby circuit, the control center comprises an acquisition module and a switching module, the acquisition module acquires the driving states and the power states of the first circuit, the second circuit and the standby circuit, the switching module switches the first circuit, the second circuit and the standby circuit, the control terminal equipment and the control center are connected through a switch, and the control center transmits the collected working information of the power supply to the control terminal equipment, so that the control terminal equipment can observe and operate conveniently;

the power supply is provided with an output end, the circuits of the first circuit, the second circuit and the standby circuit are parallel circuits, the first circuit and the second circuit simultaneously supply power to the output end, and when one of the first circuit and the second circuit is powered off, the other circuit automatically bears the power supply of all loads;

the acquisition module acquires the working states of the first circuit relay, the second circuit relay and the standby circuit relay so as to determine the driving states of the first circuit, the second circuit and the standby circuit;

a current transformer is arranged in the acquisition module, and the power supply states of the first circuit, the second circuit and the standby circuit are detected through the current transformer;

the switching module controls the first circuit relay, the second circuit relay and the standby circuit relay so as to switch the circuit of the power supply. Through setting up first circuit and second circuit and supplying power simultaneously, the problem that the two broke down simultaneously is less, consequently, can improve the security and the stability of power supply, when the power of the same kind in the main power supply broke down out of work, starts stand-by power supply to alleviate the operating pressure of another way power in the main power supply, for the maintenance of trouble circuit provides the time, further improved power supply security and stability.

Preferably, the switching module is provided with a first protection board and a second protection board for protecting the power supply, and the working state of the standby circuit relay is limited by the first protection board and the second protection board, so that the first circuit, the second circuit and the standby circuit are prevented from being started or closed simultaneously;

when the first circuit and the second circuit supply power simultaneously, the protection board is started and opens the standby circuit relay, so that the standby circuit keeps a non-working state, and the problem that the first circuit, the second circuit and the standby circuit are started simultaneously to cause overlarge load after the standby circuit relay is touched by mistake under the condition that the first circuit and the second circuit supply power is solved;

when one power supply in the first circuit and the second circuit is powered off, the first protection board relieves the limitation on the standby circuit relay, and the working state of the standby circuit can be switched and controlled;

when all cutting off the power supply in first circuit and the second circuit, protection shield two starts and fixes the stand-by circuit relay for stand-by circuit keeps the state of power supply, has improved under the circumstances that first circuit and second circuit all cut off the power supply, after the false touch stand-by circuit relay, leads to first circuit, second circuit and stand-by circuit to close simultaneously, causes the problem of output power supply interrupt.

The switching module used in the control system comprises a control box body, wherein a first circuit relay, a second circuit relay and a standby circuit relay are arranged in the control box body and respectively control a first circuit, a second circuit and the standby circuit, the first circuit relay, the second circuit relay and the standby circuit relay respectively comprise a support, an armature, a reset tension spring, a first electromagnet, a movable contact and a fixed contact, the support and the first electromagnet are fixedly arranged in the control box body, the armature is rotatably arranged on the support, the first electromagnet is positioned below the armature, the armature is kept fixed through the reset tension spring, the movable contact is arranged on the armature, three groups of the fixed contacts are respectively arranged on the first circuit, the second circuit and the standby circuit, a first protection plate is slidably arranged in the control box body, the first protection plate is positioned on the front side of the armature, a reset spring is arranged on the first protection plate, the armatures in the first circuit relay and the second circuit relay are both positioned above the first protection plate, the armature in the standby circuit relay is positioned below the first protection plate, the armatures in the first circuit relay and the second circuit relay are both fixedly provided with an upper push plate, the armature in the standby circuit relay is fixedly provided with a lower push plate, the inside of the first protection plate is provided with through holes corresponding to the upper push plate and the lower push plate, in an initial state, the first circuit and the second circuit are both in a power supply state of circuit communication, the standby circuit is disconnected, at the moment, the movable contacts on the first circuit relay and the second circuit relay are both contacted with the stationary contact, the movable contacts on the standby circuit relay are both contacted with the stationary contact in a staggered manner, the lower push plate is staggered with the through holes above the lower push plate, and the top of the lower push plate is blocked by the first protection plate, the armature on the standby circuit relay cannot rotate clockwise, so that the standby circuit cannot be communicated, the problem that the first circuit, the second circuit and the standby circuit are started simultaneously to cause overlarge load after the standby circuit relay is touched by mistake due to misoperation of workers or armature looseness and other factors under the condition that the first circuit and the second circuit are powered on is solved, an electric power detection device and an electric power driving device are not required to be additionally arranged in the protection process, and the use cost is reduced;

when one of the first circuit and the second circuit is powered off, one armature of the first circuit relay and the second circuit relay rotates anticlockwise to reset, the armature extrudes the first protection plate to move through the upper push plate, the lower push plate aligns with the through hole above the first protection plate after the first protection plate moves, and at the moment, the armature on the standby circuit relay is in a rotatable state, so that the standby circuit relay can be controlled, and the standby circuit can be switched between a connection state and a disconnection state.

Preferably, the inside activity of control box body is pegged graft and is had gliding protection shield two from top to bottom, and protection shield two is located the armature top in the stand-by circuit relay, and the inside slidable mounting of control box body has the diaphragm, and the diaphragm is located the top of first circuit relay and second circuit relay, is provided with the briquetting that corresponds with protection shield two on the diaphragm, and the briquetting is located the top of protection shield two, and the bottom of briquetting is provided with the slope. When the standby circuit is communicated, the armature on the standby circuit relay rotates, and the movable contact is in contact with the static contact; the transverse plate is moved leftwards, the transverse plate extrudes the second protection plate through the pressing block to move downwards, so that the second protection plate is propped against the armature, the armature in the standby circuit can be prevented from rotating, and the standby circuit is always kept in a circuit communication state.

Preferably, a return spring is installed on the transverse plate, a one-way movable plate is installed at the bottom of the transverse plate, an arc plate is fixedly installed at the top of the upper pushing plate, the armature is installed on the support through a rotating shaft, the circle center of the arc plate is concentric with the rotating shaft, and an inclined tooth group matched with the one-way movable plate is arranged on the arc plate. When the first circuit and the second circuit are respectively powered off, the transverse plate can be driven to move leftwards twice by designing the moving amplitude of the transverse plate and the position of the pressing block, so that the pressing block extrudes the second protection plate to move downwards, the armature of the standby circuit is fixed, and the standby circuit always keeps the circuits communicated; the power failure of one path of power supply in the first circuit and the second circuit is improved, the standby circuit is started, the main power supply is repaired and then is driven again, the first circuit and the second circuit are disconnected due to misoperation, the standby circuit is continuously disconnected by workers, the first circuit, the second circuit and the standby circuit are closed simultaneously, the problem of power supply interruption of the output end is caused, the use safety is improved, the power detection device and the power driving device are not required to be additionally arranged in the protection process, and the use cost is reduced.

Preferably, the inside movable mounting of control box body has the mounting plate that can slide from top to bottom, and the mounting plate is located the top of protection shield one, and fixed mounting has the board of dialling protection shield one on the arc board. When the standby circuit relay works, a circuit in the main power supply is disconnected, the armature rotates, the fastening plate is driven to move downwards through the shifting plate, the fastening plate props the first protection plate, the stability of the first protection plate is enhanced, and the problem that the movement of the standby circuit relay is possibly interfered when the position of the first protection plate is not stable enough is solved.

Preferably, the mounting plate is the Z type form, installs elastic expansion piece on the mounting plate, and elastic expansion piece includes the telescopic link, and the both ends of telescopic link are articulated with mounting plate and control box body activity respectively, and the telescopic link is the slope form and installs between mounting plate and control box body, and the support pressure spring is installed in the outside of telescopic link. When the protection plate I works, the elastic expansion piece stretches under the action of the supporting pressure spring, keeps a stable inclined state, and further strengthens the fixing effect of the fastening plate on the protection plate I.

Preferably, the movable contact and the stationary contact both comprise a turntable and a central shaft, the two central shafts are respectively and fixedly installed on the armature and the control box body, the turntable is rotatably installed on the central shaft, a plurality of contact pieces are respectively and fixedly installed on one side of the opposite surfaces of the two turntables, and the contact pieces are uniformly distributed on the turntable. When the relay works, the contacts are of a structure which is easy to break down, in the practical use process, about% of faults of the relay occur on the contacts, and only one group of contacts in the movable contact and the static contact can be contacted after the armature deflects by arranging a plurality of groups of contacts; when the contact piece breaks down, the rotary table is rotated, so that the other group of contact pieces rotate to the positions capable of being contacted with each other to continue working.

Preferably, the turntable is a one-way rotating mechanism, a one-way gear is arranged on the ring side of the turntable, a rack plate corresponding to the one-way gear is slidably mounted inside the control box body, the rack plate and the armature are staggered front and back, a magnetic block is fixedly mounted on the rack plate, and a second electromagnet corresponding to the magnetic block is fixedly mounted inside the control box body. The during operation starts electromagnet two, and electromagnet two has magnetism after circular telegram, and is the same with one side magnetism of magnetic path opposite face, and then promotes the rack board and remove, and the rack board passes through single pinion and drives the unidirectional rotation of carousel, has realized the change function to the contact, and only needs to carry out short duration circular telegram to electromagnet two and can accomplish, need not electromagnet two and last circular telegram, reduction use cost.

The invention has the following beneficial effects:

1. according to the complex intelligent control system for the safety power supply, the first circuit and the second circuit are arranged to supply power at the same time, and the problem that the first circuit and the second circuit fail at the same time is small, so that the power supply stability can be improved.

2. According to the complex intelligent control system for the safety power supply, when the first circuit and the second circuit supply power simultaneously, the first protection board enables the standby circuit to keep a non-working state, so that the problem of overlarge load caused by the fact that all circuits are started simultaneously is solved; when all cutting off the power supply in first circuit and the second circuit, protection shield two makes stand-by circuit keep the state of supplying power, has improved all circuits and has closed simultaneously, causes the problem of output power supply interrupt.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a system framework diagram of the present invention;

FIG. 2 is a circuit diagram of a relay mounting of the present invention;

FIG. 3 is a front cross-sectional view of a switching module of the present invention;

FIG. 4 is a comparison of a first circuit relay and a backup circuit relay of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 3 in accordance with the present invention;

FIG. 6 is an enlarged view of portion B of FIG. 3 in accordance with the present invention;

FIG. 7 is a schematic top view of the stationary contact and rack plate of the present invention;

FIG. 8 is a perspective view of an insulating panel of the present invention;

in the figure: 1. a control box body; 2. a first circuit relay; 3. a second circuit relay; 4. a standby circuit relay; 201. a support; 202. an armature; 203. a return tension spring; 204. an electromagnet I; 205. a movable contact; 206. a stationary contact; 5. protecting a first plate; 6. a push plate is arranged; 7. a lower push plate; 8. a second protection plate; 9. a transverse plate; 10. briquetting; 11. a one-way movable plate; 12. an arc plate; 13. a set of skewed teeth; 14. a fastening plate; 15. dialing a plate; 16. an elastic extensible member; 17. a turntable; 18. a central shaft; 19. a contact piece; 20. a one-way gear; 21. a rack plate; 22. a magnetic block; 23. an electromagnet II; 24. an insulating plate.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

The invention relates to a complex intelligent control system of a safety power supply, which comprises a power supply, a control center and control terminal equipment, wherein the power supply comprises a first circuit, a second circuit and a standby circuit, the first circuit and the second circuit are main power sources, relays of control circuit switches are arranged in the first circuit, the second circuit and the standby circuit, the control center comprises an acquisition module and a switching module, the acquisition module acquires the driving states and the power states of the first circuit, the second circuit and the standby circuit, the switching module switches the first circuit, the second circuit and the standby circuit, the control terminal equipment and the control center are connected through a switch, and the control center transmits the collected working information of the power supply to the control terminal equipment, so that the control terminal equipment can observe and operate conveniently;

the acquisition module acquires the working states of the first circuit relay 2, the second circuit relay 3 and the standby circuit relay 4 so as to determine the driving states of the first circuit, the second circuit and the standby circuit;

the switching module controls the first circuit relay 2, the second circuit relay 3 and the standby circuit relay 4, thereby performing circuit switching on the power supply. Through setting up first circuit and second circuit and supplying power simultaneously, the problem that the two broke down simultaneously is less, consequently, can improve the security and the stability of power supply, when the power of the same kind in the main power supply broke down out of work, starts stand-by power supply to alleviate the operating pressure of another way power in the main power supply, for the maintenance of trouble circuit provides the time, further improved power supply security and stability.

The switching module is internally provided with a first protection plate 5 and a second protection plate 8 for protecting the power supply, and the working state of the standby circuit relay 4 is limited by the first protection plate 5 and the second protection plate 8, so that the first circuit, the second circuit and the standby circuit are prevented from being started or closed simultaneously;

when the first circuit and the second circuit supply power simultaneously, the first protection board 5 is started and breaks the standby circuit relay 4, so that the standby circuit keeps a non-working state, and the problem that the first circuit, the second circuit and the standby circuit are started simultaneously to cause overlarge load after the standby circuit relay 4 is mistakenly touched under the condition that the first circuit and the second circuit supply power is solved;

when one power supply in the first circuit and the second circuit is powered off, the protection board I5 relieves the limitation on the standby circuit relay 4, and the working state of the standby circuit can be switched and controlled;

when all cutting off the power supply in first circuit and the second circuit, protection shield two 8 starts and fixes stand-by circuit relay 4 for stand-by circuit keeps the state of power supply, has improved under the condition that first circuit and second circuit all cut off the power supply, after the false touch stand-by circuit relay 4, leads to first circuit, second circuit and stand-by circuit to close simultaneously, causes the problem of output power supply interrupt.

Example one

As shown in fig. 3 to 5, the switching module used in the control system includes a control box 1, a first circuit relay 2, a second circuit relay 3 and a backup circuit relay 4 are installed inside the control box 1, the first circuit relay 2, the second circuit relay 3 and the backup circuit relay 4 respectively control a first circuit, a second circuit and a backup circuit, the first circuit relay 2, the second circuit relay 3 and the backup circuit relay 4 respectively include a bracket 201, an armature 202, a reset tension spring 203, an electromagnet one 204, a movable contact 205 and a fixed contact 206, the bracket 201 and the electromagnet one 204 are fixedly installed in the control box 1, the armature 202 is rotatably installed on the bracket 201, the electromagnet one 204 is located below the armature 202, the armature 202 is kept fixed by the reset tension spring 203, the movable contact 205 is installed on the armature 202, and three groups of fixed contacts 206 are respectively installed on the first circuit relay 1, On second circuit and standby circuit, the inside slidable mounting of control box body 1 has protection shield one 5, protection shield one 5 is located armature 202's front, install reset spring on protection shield one 5, armature 202 in first circuit relay 2 and the second circuit relay 3 all is located the top of protection shield one 5, armature 202 in standby circuit relay 4 is located the below of protection shield one 5, equal fixed mounting has last push pedal 6 on the armature 202 in first circuit relay 2 and the second circuit relay 3, fixed mounting has lower push pedal 7 on the armature 202 in standby circuit relay 4, the through-hole corresponding with last push pedal 6 and lower push pedal 7 has been seted up to the inside of protection shield one 5, in operation, the control principle of relay to the circuit is: when an electromagnet I204 in the relay is not electrified, the armature 202 is kept stable under the pulling of a reset tension spring 203, and at the moment, a movable contact 205 and a fixed contact 206 are staggered, so that a circuit is in a disconnected state; an electromagnet I204 in the relay is magnetic after being electrified and is attracted to an armature 202, so that the armature 202 is attracted and rotated, a movable contact 205 is contacted with a fixed contact 206, and a circuit is in a communicated state;

in the initial state, the first circuit and the second circuit are both in a power supply state of circuit connection, the standby circuit is disconnected, at the moment, the movable contact 205 on the first circuit relay 2 and the second circuit relay 3 are both contacted with the fixed contact 206, the movable contact 205 on the standby circuit relay 4 is both contacted and staggered with the fixed contact 206, the lower push plate 7 is staggered with a through hole above the lower push plate, the top of the lower push plate 7 is blocked by the first protection plate 5, so that the armature 202 on the standby circuit relay 4 cannot rotate clockwise, therefore, the standby circuit cannot be connected, the problem of overlarge load caused by the simultaneous starting of the first circuit, the second circuit and the standby circuit after the standby circuit relay 4 is mistakenly touched due to the factors of misoperation of workers or looseness of the armature 202 under the condition that both the first circuit and the second circuit supply power is solved, and no additional power detection device and power driving device are needed in the protection process, the use cost is reduced;

when one of the first circuit and the second circuit is powered off, one armature 202 in the first circuit relay 2 and the second circuit relay 3 rotates anticlockwise to reset, the armature 202 extrudes the first protection plate 5 to move through the upper push plate 6, after the first protection plate 5 moves, the lower push plate 7 aligns with a through hole above the lower push plate, at the moment, the armature 202 on the standby circuit relay 4 is in a rotatable state, the standby circuit relay 4 can be controlled, and the standby circuit can be switched between a connection state and a disconnection state.

As shown in fig. 3, a second protection plate 8 capable of sliding up and down is movably inserted into the control box body 1, the second protection plate 8 is located above the armature 202 in the standby circuit relay 4, a transverse plate 9 is slidably installed inside the control box body 1, the transverse plate 9 is located above the first circuit relay 2 and the second circuit relay 3, a pressing block 10 corresponding to the second protection plate 8 is arranged on the transverse plate 9, the pressing block 10 is located above the second protection plate 8, and a slope is arranged at the bottom of the pressing block 10. When the standby circuit is communicated in work, the armature 202 on the standby circuit relay 4 rotates, and the movable contact 205 is contacted with the fixed contact 206; the transverse plate 9 is moved leftwards, the transverse plate 9 extrudes the second protection plate 8 through the pressing block 10 to move downwards, so that the second protection plate 8 is abutted against the armature 202, the armature 202 in the standby circuit can be prevented from rotating, and the standby circuit is always kept in a circuit communication state.

As shown in fig. 3 to 5, a return spring is installed on the transverse plate 9, a one-way movable plate 11 is installed at the bottom of the transverse plate 9, an arc plate 12 is fixedly installed at the top of the push-up plate 6, the armature 202 is installed on the bracket 201 through a rotating shaft, the center of the arc plate 12 is concentric with the rotating shaft, and an inclined tooth group 13 matched with the one-way movable plate 11 is arranged on the arc plate 12. When the circuit breaker works, when the arc plate 12 rotates, the transverse plate 9 is driven to move unidirectionally through the inclined tooth group 13 and the unidirectional movable plate 11, when a first circuit or a second circuit is powered off, the corresponding armature 202 rotates anticlockwise to reset, the armature 202 drives the transverse plate 9 to move leftwards through the arc plate 12, through designing the moving amplitude of the transverse plate 9 and the position of the press block 10, when the first circuit and the second circuit are powered off respectively, the transverse plate 9 is driven to move leftwards twice, so that the press block 10 extrudes the second protective plate 8 to move downwards, the armature 202 of the standby circuit is fixed, and the standby circuit is always kept in circuit communication; the power failure of one path of power supply in the first circuit and the second circuit is improved, the standby circuit is started, the main power supply is repaired and then is driven again, the first circuit and the second circuit are disconnected due to misoperation, the standby circuit is continuously disconnected by workers, the first circuit, the second circuit and the standby circuit are closed simultaneously, the problem of power supply interruption of the output end is caused, the use safety is improved, the power detection device and the power driving device are not required to be additionally arranged in the protection process, and the use cost is reduced.

As shown in fig. 5, a fastening plate 14 capable of sliding up and down is movably installed inside the control box body 1, the fastening plate 14 is located above the first protection plate 5, and a poking plate 15 for poking the first protection plate 5 is fixedly installed on the arc plate 12. When the circuit breaker works, a circuit in a main power supply is disconnected, the armature 202 rotates, the fastening plate 14 is driven to move downwards through the shifting plate 15, the fastening plate 14 props against the first protection plate 5, the stability of the first protection plate 5 is enhanced, and the problem that the movement of the standby circuit relay 4 is possibly interfered when the position of the first protection plate 5 is not stable enough is solved.

As shown in fig. 5, the mounting plate 14 is the Z type form, installs elastic expansion piece 16 on the mounting plate 14, and elastic expansion piece 16 includes the telescopic link, and the both ends of telescopic link are articulated with mounting plate 14 and control box body 1 activity respectively, and the telescopic link is the slope form and installs between mounting plate 14 and control box body 1, and the support pressure spring is installed in the outside of telescopic link. During operation, the elastic expansion piece 16 expands under the action of the supporting compression spring to keep a stable inclined state, and further the fixing effect of the fastening plate 14 on the first protection plate 5 is enhanced.

As shown in fig. 4 and 7, each of the moving contact 205 and the stationary contact 206 includes a rotary plate 17 and a central shaft 18, the two central shafts 18 are respectively and fixedly mounted on the armature 202 and the control box 1, the rotary plate 17 is rotatably mounted on the central shaft 18, a plurality of contact pieces 19 are respectively and fixedly mounted on one side of the opposite surfaces of the two rotary plates 17, and the contact pieces 19 are uniformly distributed on the rotary plate 17. When the relay works, the contact is a structure which is easy to break down, in the practical use process, about 70% of the faults of the relay occur on the contact, and by arranging a plurality of groups of contact pieces 19, only one group of contact pieces 19 in the movable contact 205 and the static contact 206 can be contacted after the armature 202 deflects; when the contact piece 19 is in fault, the rotary disc 17 is rotated to make the other group of contact pieces 19 rotate to the position where the contact pieces can contact with each other, and the operation is continued.

As shown in fig. 3 to 7, the turntable 17 is a unidirectional rotation mechanism, a unidirectional gear 20 is arranged on a ring side of the turntable 17, a rack plate 21 corresponding to the unidirectional gear 20 is slidably mounted inside the control box body 1, the rack plate 21 and the armature 202 are staggered from each other in a front-back direction, a magnetic block 22 is fixedly mounted on the rack plate 21, and a second electromagnet 23 corresponding to the magnetic block 22 is fixedly mounted inside the control box body 1. The during operation starts two electromagnets 23, and two electromagnets 23 have magnetism after the circular telegram, and the same with one side magnetism of magnetic path 22 opposite face, and then promote rack plate 21 and remove, and rack plate 21 passes through one-way gear 20 and drives carousel 17 unidirectional rotation, has realized the change function to contact 19, and only need carry out short duration circular telegram to two electromagnets 23 and can accomplish, need not two electromagnets 23 and continue to circular telegram, reduction in service cost.

Example two

As shown in fig. 4 to 8, a first comparative example, in which another embodiment of the present invention is: an insulating plate 24 is fixedly arranged in the control box body 1, the insulating plate 24 is positioned between the movable contact 205 and the fixed contact 206, and the insulating plate 24 is provided with a through groove corresponding to the single contact 19; when the armature 202 rotates, only one contact piece 19 of the upper and lower contact pieces 19 contacts with each other, and the rest contact pieces 19 are separated from each other up and down by the insulating plate 24, so that the separability of the rest contact pieces 19 is further enhanced, and the use is safer.

The working principle is as follows:

the control principle of the relay on the circuit is as follows: when an electromagnet I204 in the relay is not electrified, the armature 202 is kept stable under the pulling of a reset tension spring 203, and at the moment, a movable contact 205 and a fixed contact 206 are staggered, so that a circuit is in a disconnected state; an electromagnet I204 in the relay is magnetic after being electrified and is attracted to an armature 202, so that the armature 202 is attracted and rotated, a movable contact 205 is contacted with a fixed contact 206, and a circuit is in a communicated state;

When the standby circuit is communicated, the armature 202 on the standby circuit relay 4 rotates, and the movable contact 205 is contacted with the fixed contact 206; the transverse plate 9 is moved leftwards, the transverse plate 9 extrudes the second protection plate 8 through the pressing block 10 to move downwards, so that the second protection plate 8 is abutted against the armature 202, the armature 202 in the standby circuit can be prevented from rotating, and the standby circuit is always kept in a circuit communication state.

When the arc plate 12 rotates, the transverse plate 9 is driven to move unidirectionally through the inclined tooth group 13 and the unidirectional movable plate 11, when a first circuit or a second circuit is powered off, the corresponding armature 202 rotates anticlockwise to reset, the armature 202 drives the transverse plate 9 to move leftwards through the arc plate 12, through designing the moving amplitude of the transverse plate 9 and the position of the press block 10, when the first circuit and the second circuit are powered off respectively, the transverse plate 9 is driven to move leftwards twice, so that the press block 10 extrudes the second protection plate 8 to move downwards, the armature 202 of the standby circuit is fixed, and the standby circuit is always kept in circuit communication; the power failure of one path of power supply in the first circuit and the second circuit is improved, the standby circuit is started, the main power supply is repaired and then is driven again, the first circuit and the second circuit are disconnected due to misoperation, the standby circuit is continuously disconnected by workers, the first circuit, the second circuit and the standby circuit are closed simultaneously, the problem of power supply interruption of the output end is caused, the use safety is improved, the power detection device and the power driving device are not required to be additionally arranged in the protection process, and the use cost is reduced.

When the circuit in the main power supply is disconnected, the armature 202 rotates, the fastening plate 14 is driven to move downwards through the shifting plate 15, the fastening plate 14 props the first protection plate 5, the stability of the first protection plate 5 is enhanced, and the problem that the movement of the standby circuit relay 4 is possibly interfered when the position of the first protection plate 5 is not stable enough is solved.

The elastic expansion piece 16 expands under the action of the supporting compression spring, keeps a stable inclined shape and further strengthens the fixing action of the fastening plate 14 on the first protection plate 5.

When the relay works, the contact is a structure which is easy to break down, in the actual use process, about 70% of faults of the relay occur on the contact, and only one group of contact pieces 19 in the movable contact 205 and the static contact 206 can be contacted after the armature 202 deflects by arranging a plurality of groups of contact pieces 19; when the contact piece 19 is in fault, the rotary disc 17 is rotated to make the other group of contact pieces 19 rotate to the position where the contact pieces can contact with each other, and the operation is continued.

The second electromagnet 23 is started, the second electromagnet 23 is magnetic after being electrified, and the magnetism of the second electromagnet 23 is the same as that of one side of the opposite surface of the magnetic block 22, so that the rack plate 21 is pushed to move, the rack plate 21 drives the turntable 17 to rotate in a single direction through the one-way gear 20, the replacement function of the contact piece 19 is realized, the second electromagnet 23 is only required to be electrified for a short time, the continuous electrification of the second electromagnet 23 is not needed, and the use cost is reduced.

After the armature 202 rotates, only one group of the contact pieces 19 in the upper and lower groups of contact pieces 19 are contacted, and the rest contact pieces 19 are separated from each other up and down through the insulating plate 24, so that the separability of the rest contact pieces 19 is further enhanced, and the use is safer.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a complicated intelligent control system of safety power supply which characterized in that: the power supply comprises a power supply source, a control center and control terminal equipment, wherein the power supply source comprises a first circuit, a second circuit and a standby circuit, the first circuit and the second circuit are main power sources, relays of control circuit switches are arranged in the first circuit, the second circuit and the standby circuit, the control center comprises an acquisition module and a switching module, the acquisition module acquires the driving states and the power source states of the first circuit, the second circuit and the standby circuit, the switching module switches the first circuit, the second circuit and the standby circuit, and the control terminal equipment is connected with the control center through a switch;

the acquisition module acquires the working states of the first circuit relay (2), the second circuit relay (3) and the standby circuit relay (4), so that the driving states of the first circuit, the second circuit and the standby circuit are determined;

the switching module controls the first circuit relay (2), the second circuit relay (3) and the standby circuit relay (4) so as to switch the power supply circuit;

the switching module is internally provided with a first protection plate (5) and a second protection plate (8) for protecting the power supply, and the working state of the standby circuit relay (4) is limited by the first protection plate (5) and the second protection plate (8) so as to prevent the first circuit, the second circuit and the standby circuit from being started or closed simultaneously;

when the first circuit and the second circuit supply power simultaneously, the first protection board (5) is started and the standby circuit relay (4) is disconnected, so that the standby circuit keeps an inoperative state;

when one power supply in the first circuit and the second circuit is powered off, the first protection board (5) relieves the limitation on the standby circuit relay (4), and the working state of the standby circuit can be switched and controlled;

when the first circuit and the second circuit are powered off, the second protection board (8) is started and fixes the standby circuit relay (4), so that the standby circuit keeps a power supply state;

the switching module comprises a control box body (1), a first circuit relay (2), a second circuit relay (3) and a standby circuit relay (4) are arranged inside the control box body (1), the first circuit relay (2), the second circuit relay (3) and the standby circuit relay (4) respectively control a first circuit, a second circuit and the standby circuit, the first circuit relay (2), the second circuit relay (3) and the standby circuit relay (4) respectively comprise a support (201), an armature (202), a reset tension spring (203), a first electromagnet (204), a movable contact (205) and a fixed contact (206), the support (201) and the first electromagnet (204) are fixedly arranged in the control box body (1), the armature (202) is rotatably arranged on the support (201), and the first electromagnet (204) is positioned below the armature (202), the armature (202) is kept fixed through a reset tension spring (203), the movable contact (205) is installed on the armature (202), three groups of stationary contacts (206) are respectively installed on a first circuit, a second circuit and a standby circuit, a first protection plate (5) is installed inside the control box body (1) in a sliding mode, the first protection plate (5) is located on the front face of the armature (202), a reset spring is installed on the first protection plate (5), the armatures (202) in the first circuit relay (2) and the second circuit relay (3) are both located above the first protection plate (5), the armature (202) in the standby circuit relay (4) is located below the first protection plate (5), upper push plates (6) are fixedly installed on the armatures (202) in the first circuit relay (2) and the second circuit relay (3), and a lower push plate (7) is fixedly installed on the armature (202) in the standby circuit relay (4), a through hole corresponding to the upper push plate (6) and the lower push plate (7) is formed in the first protective plate (5);

the inside activity of control box body (1) is pegged graft and is had gliding protection shield two (8) from top to bottom, protection shield two (8) are located armature (202) top in stand-by circuit relay (4), the inside slidable mounting of control box body (1) has diaphragm (9), diaphragm (9) are located the top of first circuit relay (2) and second circuit relay (3), be provided with briquetting (10) that correspond with protection shield two (8) on diaphragm (9), briquetting (10) are located the top of protection shield two (8), the bottom of briquetting (10) is provided with the slope.

2. The complex intelligent control system for the safety power supply as claimed in claim 1, wherein: the reset spring is installed on the transverse plate (9), the one-way movable plate (11) is installed at the bottom of the transverse plate (9), the arc plate (12) is fixedly installed at the top of the upper pushing plate (6), the armature iron (202) is installed on the support (201) through a rotating shaft, the circle center of the arc plate (12) is concentric with the rotating shaft, and the inclined tooth group (13) matched with the one-way movable plate (11) is arranged on the arc plate (12).

3. The complex intelligent control system for the safety power supply as claimed in claim 2, wherein: the inner part of the control box body (1) is movably provided with a fastening plate (14) capable of sliding up and down, the fastening plate (14) is positioned above the first protection plate (5), and a shifting plate (15) for shifting the first protection plate (5) is fixedly arranged on the arc plate (12).

4. A safety power supply complex intelligent control system according to claim 3, characterized in that: the mounting plate (14) are Z type form, install elastic expansion piece (16) on mounting plate (14), and elastic expansion piece (16) include the telescopic link, and the both ends of telescopic link are articulated with mounting plate (14) and control box body (1) activity respectively, and the telescopic link is the slope form and installs between mounting plate (14) and control box body (1), and the support pressure spring is installed in the outside of telescopic link.

5. The complex intelligent control system for the safety power supply as claimed in claim 1, wherein: the movable contact (205) and the fixed contact (206) both comprise a turntable (17) and a central shaft (18), the two central shafts (18) are respectively and fixedly installed on the armature iron (202) and the control box body (1), the turntable (17) is rotatably installed on the central shafts (18), one side of the opposite surface of the two turntables (17) is respectively and fixedly provided with a plurality of contact pieces (19), and the contact pieces (19) are uniformly distributed on the turntable (17).

6. The complex intelligent control system for the safety power supply as claimed in claim 5, wherein: the rotary table (17) is an unidirectional rotating mechanism, an unidirectional gear (20) is arranged on the ring side of the rotary table (17), a rack plate (21) corresponding to the unidirectional gear (20) is slidably mounted inside the control box body (1), the rack plate (21) and the armature (202) are staggered front and back, a magnetic block (22) is fixedly mounted on the rack plate (21), and a second electromagnet (23) corresponding to the magnetic block (22) is fixedly mounted inside the control box body (1).

7. The complex intelligent control system for the safety power supply as claimed in claim 5, wherein: an insulating plate (24) is fixedly arranged in the control box body (1), the insulating plate (24) is positioned between the movable contact (205) and the fixed contact (206), and the insulating plate (24) is provided with a through groove corresponding to the single contact (19).