CN205157641U - Dual supply active power changer - Google Patents
Dual supply active power changer Download PDFInfo
- Publication number
- CN205157641U CN205157641U CN201520967810.4U CN201520967810U CN205157641U CN 205157641 U CN205157641 U CN 205157641U CN 201520967810 U CN201520967810 U CN 201520967810U CN 205157641 U CN205157641 U CN 205157641U
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- circuit
- transmitter
- power
- power supply
- buckle
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Abstract
The utility model provides a dual supply active power changer, including changer shell, binding post and changer operating circuit, be equipped with fixed establishment on the rear end face of changer shell, binding post includes power binding post, output binding post, three phase voltage binding post, three phase current binding post and reserve binding post, is equipped with fixed establishment 0, fixed establishment 1 and filtering fixed establishment 2 between power binding post and the changer operating circuit, the utility model discloses simple structure, reasonable in design is supplied power by two way powers to under the logic control of OR circuit, the power input carries out, and changer operating condition is stable, has thoroughly solved probably to lead to the hidden danger of shutting down when single power loses the electricity, and solve fluctuation and the power supply that two switching of power arouse again well and be interrupted the phenomenon, simultaneously, the different bolt fastenings that have changers now, the utility model discloses a changer can easily be realized with the joint of aluminium skid bed fixedly, and it is also very convenient to demolish simultaneously.
Description
Technical field
The utility model relates to a kind of dual power supply active power transmitter.
Background technology
Active power transmitter is a kind of by the device of DC simulation signal linear for the active power isolation transmit in electrical network.Tradition active power transmitter is single supply, and when active power measurement system Semi-loop power source dead electricity, greatly generator outage may be caused, in order to the mode solving active power measurement system Semi-loop power source dead electricity hidden danger is generally adopt two-way power supply to deliver to all meritorious transmitters of engine after power transfer device switches, but this method is when power transfer device switches, fluctuation and power supply can be caused to be interrupted phenomenon and to there is certain hidden danger, do not meet electrically simple and reliable design concept, and, existing transmitter is when being fixed with aluminium rail bar, mostly be the mode adopting bolt fixing, this fixed form exists fixing loaded down with trivial details, remove troublesome situation.
Utility model content
For the problems referred to above, the utility model with provide a kind of easy installation and removal, effectively can solve the dual power supply active power transmitter that single supply dead electricity hidden danger and dual power supply switch hidden danger.
For solving above technical matters, the technical scheme that the utility model provides is:
A kind of dual power supply active power transmitter, it is characterized in that, comprise transmitter enclosure, connection terminal and transmitter operating circuit, the quantity of described connection terminal is 20, comprise power supply terminal, output wiring terminal, three-phase voltage connection terminal, three-phase current connection terminal and connection terminal for subsequent use, the quantity of described power supply terminal is 2 groups, totally 4, the quantity of described output wiring terminal is 2 groups, totally 4, the quantity of described three-phase voltage connection terminal is 4, it accesses Secondary Circuit of Potential Transformer, the quantity of described three-phase current connection terminal is 6, it accesses secondary loop of mutual inductor, the quantity of described connection terminal for subsequent use is 2,
Step-down transformer, rectification circuit and filter regulator circuit is provided with between described power supply terminal and transmitter operating circuit, 2 groups of power supply terminals are connected with rectification circuit with step-down transformer, form the first power circuit and second source circuit, described first power circuit and being provided with or circuit between second source circuit and filter regulator circuit, input end that is described or circuit is connected with second source circuit with the first power circuit, its output terminal is connected with filter regulator circuit, and described filter regulator circuit is connected with transmitter operating circuit;
The rear end face of described transmitter enclosure is provided with fixed mechanism, described fixed mechanism comprises pickup groove, loose slot, fixing buckle and movable latch, described pickup groove is horizontally placed on the middle part of the rear end face of transmitter enclosure, pickup groove comprises upper side, downside and bottom surface, described fixing buckle quantity is 2, symmetry is fixedly installed on the upper side of pickup groove, fixing buckle comprises the first side plate and the first buckle, the upper side level of described first side plate and pickup groove, described first buckle protrudes from the rear end face of transmitter enclosure, and it is vertical with the first side plate, described loose slot is arranged at the below of pickup groove, and it is vertical with the downside of pickup groove, the both sides of loose slot are provided with chute, the middle part of loose slot arranges fixed block, described movable latch is arranged in loose slot, comprise web joint, be positioned at the slide block of web joint both sides, be positioned at the movable span in the middle part of web joint and the movable buckle plate being positioned at movable span upper end, described slide block and chute corresponding matching, described movable span is mounting hole, spring is provided with in it, the upper end of described spring is fixedly connected with the upper end of movable span, its lower end is fixedly connected with fixed block, described movable buckle plate comprises the second side plate and the second buckle, described second side plate and the second buckle are integral type structure, second side plate and web joint fixed-link, described second buckle protrudes from the rear end face of transmitter enclosure, and it is vertical with the second side plate,
Further, the lower end of described web joint is provided with draw ring, and described draw ring is circular arc;
Further, described rectification circuit is provided with 2 power lights, respectively corresponding first power circuit and second source circuit.
The beneficial effects of the utility model are:
A kind of dual power supply active power transmitter that the utility model proposes; its structure is simple; reasonable in design; powered by two-way power supply; and or circuit logic control under; carry out power supply input; transmitter stable working state; the hidden danger of shutting down may be caused when thoroughly solving single supply dead electricity; solve again dual power supply well and switch the fluctuation and power supply interruption phenomenon that cause, meanwhile, the bolt of different existing transmitter is fixed; transmitter of the present utility model can easily realize and the connecting and fixing of aluminium rail bar, and removes also very convenient simultaneously.
Accompanying drawing explanation
Fig. 1 the utility model schematic diagram.
Fig. 2 connection terminal schematic diagram.
Fig. 3 the utility model schematic diagram.
Fig. 4 fixed mechanism schematic diagram.
Fig. 5 A-A is to cut-open view.
Fig. 6 B-B is to cut-open view.
Fig. 7 C-C is to cut-open view.
Embodiment
A kind of dual power supply active power transmitter as shown in the figure, it is characterized in that, comprise transmitter enclosure 1, connection terminal 2 and transmitter operating circuit 3, the quantity of described connection terminal 2 is 20, comprise power supply terminal 4, output wiring terminal 5, three-phase voltage connection terminal 6, three-phase current connection terminal 7 and connection terminal for subsequent use 8, the quantity of described power supply terminal 4 is 2 groups, totally 4, the quantity of described output wiring terminal 5 is 2 groups, totally 4, the quantity of described three-phase voltage connection terminal 6 is 4, it accesses Secondary Circuit of Potential Transformer 9, the quantity of described three-phase current connection terminal 7 is 6, it accesses secondary loop of mutual inductor 91, the quantity of described connection terminal for subsequent use 8 is 2,
Step-down transformer 10 is provided with between described power supply terminal 4 and transmitter operating circuit 3, rectification circuit 11 and filter regulator circuit 12, 2 groups of power supply terminals 4 are connected with rectification circuit 11 with step-down transformer 10, form the first power circuit 13 and second source circuit 14, described first power circuit 13 and being provided with between second source circuit 14 and filter regulator circuit 12 or circuit 15, input end that is described or circuit 15 is connected with second source circuit 14 with the first power circuit 13, its output terminal is connected with filter regulator circuit 12, described filter regulator circuit 12 is connected with transmitter operating circuit 3,
The rear end face of described transmitter enclosure 1 is provided with fixed mechanism 16, described fixed mechanism 16 comprises pickup groove 17, loose slot 18, fixing buckle 19 and movable latch 20, described pickup groove 17 is horizontally placed on the middle part of the rear end face of transmitter enclosure 1, pickup groove 17 comprises upper side 33, downside 34 and bottom surface 35, described fixing buckle 19 quantity is 2, symmetry is fixedly installed on the upper side 33 of pickup groove 17, fixing buckle 19 comprises the first side plate 21 and the first buckle 22, upper side 33 level of described first side plate 21 and pickup groove 17, described first buckle 22 protrudes from the rear end face of transmitter enclosure 1, and it is vertical with the first side plate 21, described loose slot 18 is arranged at the below of pickup groove 17, and it is vertical with the downside 34 of pickup groove 17, the both sides of loose slot 18 are provided with chute 23, the middle part of loose slot 18 arranges fixed block 24, described movable latch 20 is arranged in loose slot 18, comprise web joint 25, be positioned at the slide block 26 of web joint 25 both sides, be positioned at the movable span 27 in the middle part of web joint 25 and the movable buckle plate 28 being positioned at movable span 27 upper end, described slide block 26 and chute 23 corresponding matching, described movable span 27 is mounting hole, spring 29 is provided with in it, the upper end of described spring 29 is fixedly connected with the upper end of movable span 27, its lower end is fixedly connected with fixed block 24, described movable buckle plate 28 comprises the second side plate 30 and the second buckle 31, described second side plate 30 and the second buckle 31 are integral type structure, second side plate 30 and web joint 25 fixed-link, described second buckle 31 protrudes from the rear end face of transmitter enclosure 1, and it is vertical with the second side plate 30,
Further, the lower end of described web joint 25 is provided with draw ring 32, and described draw ring 32 is in circular arc;
Further, described rectification circuit 11 is provided with 2 power lights 36, respectively corresponding first power circuit 13 and second source circuit 14.
Principle of work of the present utility model is:
Outside two-way power supply is under the control of small air switch, power supply output is carried out to transmitter, by after step-down transformer isolated buck, sends into rectification circuit and carry out rectification, send into subsequently or circuit, or circuit carries out Logic judgment to power supply input status, when two-way power supply has electricity simultaneously, then two-way power sources in parallel work, after filtering after mu balanced circuit filtering voltage regulation, send into transmitter operating circuit, transmitter steady operation, 2 power lights all light; When two-way power supply Zhong You mono-road power outage, an other road power supply still continually can provide stable working power for transmitter, the power light of corresponding power circuit does not work simultaneously, and staff, according to the instruction of power light, carries out repair and maintenance; Only have when two-way power supply all has a power failure, transmitter just can quit work.
Meanwhile, when installing transmitter, only needing by draw ring towards drop-down, after corresponding for the pickup groove of transmitter aluminium rail bar is put well, unclamping draw ring, can realize installing; During dismounting, pull draw ring, easily can take off transmitter.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (5)
1. a dual power supply active power transmitter, it is characterized in that, comprise transmitter enclosure, connection terminal and transmitter operating circuit, the quantity of described connection terminal is 20, comprise power supply terminal, output wiring terminal, three-phase voltage connection terminal, three-phase current connection terminal and connection terminal for subsequent use, the quantity of described power supply terminal is 2 groups, totally 4, the quantity of described output wiring terminal is 2 groups, totally 4, the quantity of described three-phase voltage connection terminal is 4, it accesses Secondary Circuit of Potential Transformer, the quantity of described three-phase current connection terminal is 6, it accesses secondary loop of mutual inductor, the quantity of described connection terminal for subsequent use is 2.
2. a kind of dual power supply active power transmitter as claimed in claim 1, it is characterized in that, step-down transformer is provided with between described power supply terminal and transmitter operating circuit, rectification circuit and filter regulator circuit, 2 groups of power supply terminals are connected with rectification circuit with step-down transformer, form the first power circuit and second source circuit, described first power circuit and being provided with or circuit between second source circuit and filter regulator circuit, input end that is described or circuit is connected with second source circuit with the first power circuit, its output terminal is connected with filter regulator circuit, described filter regulator circuit is connected with transmitter operating circuit.
3. a kind of dual power supply active power transmitter as claimed in claim 1, it is characterized in that, the rear end face of described transmitter enclosure is provided with fixed mechanism, described fixed mechanism comprises pickup groove, loose slot, fixing buckle and movable latch, described pickup groove is horizontally placed on the middle part of the rear end face of transmitter enclosure, pickup groove comprises upper side, downside and bottom surface, described fixing buckle quantity is 2, symmetry is fixedly installed on the upper side of pickup groove, fixing buckle comprises the first side plate and the first buckle, the upper side level of described first side plate and pickup groove, described first buckle protrudes from the rear end face of transmitter enclosure, and it is vertical with the first side plate, described loose slot is arranged at the below of pickup groove, and it is vertical with the downside of pickup groove, the both sides of loose slot are provided with chute, the middle part of loose slot arranges fixed block, described movable latch is arranged in loose slot, comprise web joint, be positioned at the slide block of web joint both sides, be positioned at the movable span in the middle part of web joint and the movable buckle plate being positioned at movable span upper end, described slide block and chute corresponding matching, described movable span is mounting hole, spring is provided with in it, the upper end of described spring is fixedly connected with the upper end of movable span, its lower end is fixedly connected with fixed block, described movable buckle plate comprises the second side plate and the second buckle, described second side plate and the second buckle are integral type structure, second side plate and web joint fixed-link, described second buckle protrudes from the rear end face of transmitter enclosure, and it is vertical with the second side plate.
4. a kind of dual power supply active power transmitter as claimed in claim 3, it is characterized in that, the lower end of described web joint is provided with draw ring, and described draw ring is circular arc.
5. a kind of dual power supply active power transmitter as claimed in claim 2, it is characterized in that, described rectification circuit is provided with 2 power lights, respectively corresponding first power circuit and second source circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520967810.4U CN205157641U (en) | 2015-11-30 | 2015-11-30 | Dual supply active power changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520967810.4U CN205157641U (en) | 2015-11-30 | 2015-11-30 | Dual supply active power changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205157641U true CN205157641U (en) | 2016-04-13 |
Family
ID=55693320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520967810.4U Expired - Fee Related CN205157641U (en) | 2015-11-30 | 2015-11-30 | Dual supply active power changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205157641U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112582933A (en) * | 2020-11-09 | 2021-03-30 | 宁波天安（集团）股份有限公司 | Intelligent modular terminal power distribution system |
-
2015
- 2015-11-30 CN CN201520967810.4U patent/CN205157641U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112582933A (en) * | 2020-11-09 | 2021-03-30 | 宁波天安（集团）股份有限公司 | Intelligent modular terminal power distribution system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20161130 |