CN204116464U - Three-phase imbalance rate detector - Google Patents
Three-phase imbalance rate detector Download PDFInfo
- Publication number
- CN204116464U CN204116464U CN201420453252.5U CN201420453252U CN204116464U CN 204116464 U CN204116464 U CN 204116464U CN 201420453252 U CN201420453252 U CN 201420453252U CN 204116464 U CN204116464 U CN 204116464U
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- display screen
- detector shell
- iron core
- detector
- fixedly connected
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Abstract
The utility model discloses a kind of three-phase imbalance rate detector, comprise physical construction and circuit structure, described physical construction is provided with detector shell, through wires hole, measurement range selection knob, display screen back up pad, square groove, cross bar, Fixing clamp-seat, circuit board retaining thread hole post, battery case, battery cover, iron core, Secondary Winding, handle, bottom empty frame, wire hole; Described circuit structure is provided with power harvesting devices, arithmetical unit, PLC processor, display screen.The utility model device adopts single-chip microcomputer to carry out detecting and calculates, error is less, detection pincers are adopted to carry out magnitude of current induction, and equipment operation power supply is obtained in induction current by power supply acquisition cuicuit, avoid loaded down with trivial details wiring work, it also avoid the blackout procedures that wiring brings, the Danger Electric shock risk caused when more avoiding wiring simultaneously.
Description
Technical field
The utility model relates to a kind of three-phase imbalance rate detector, is a kind of three-phase detection instrument with Data Comparison, balance differential disply specifically.
Background technology
Current in comprehensive distribute-electricity transformer district detection three-phase imbalance rate, all by after observation reometer registration, by calculating, obtain three-phase imbalance rate, due to the error of reometer and the error of calculating, cause unbalance factor detect, calculate not accurate enough, also have and use the special three-phase imbalance rate checkout equipment manufactured, but it needs external power supply, cause installation and dismounting inconvenience, single measuring ability causes error excessive.
Utility model content
The purpose of this utility model is the deficiency existed for prior art, provides a kind of three-phase imbalance rate detector.
To achieve the above object, the method that the utility model adopts is: a kind of three-phase imbalance rate detector, comprise physical construction and circuit structure, described physical construction is provided with detector shell, through wires hole, measurement range selection knob, display screen back up pad, square groove, cross bar, Fixing clamp-seat, circuit board retaining thread hole post, battery case, battery cover, iron core, Secondary Winding, handle, bottom empty frame, wire hole, described circuit structure is provided with power harvesting devices, arithmetical unit, PLC processor, display screen, described through wires hole is positioned on the upper surface of detector shell, described range rotates the front end face upper portion that knob is positioned at detector shell, described display screen back up pad is fixedly connected with the inside wall of detector shell, described square groove is positioned at the upper end right angle of detector shell, the two ends of described cross bar are fixedly connected with two, the left and right end face of square groove respectively, described Fixing clamp-seat is fixedly connected with detector outer casing back inwall, one end of described circuit board retaining thread hole post is fixedly connected with detector case back inwall, described battery case is positioned at the rear end lower portion of detector shell, described battery cover and battery case are connected, described iron core is fixedly connected with the empty frame in bottom, described Secondary Winding is wrapped on the straight section cross bar below iron core, the joint of two ends coiling wears out from wire hole, after described handle and the left end of iron core are fixed, be rotatably connected relative to the empty frame in bottom, the mutual inductance electric current that described Secondary Winding produces is connected respectively by the input end of wire with power harvesting devices and arithmetical unit, described power harvesting devices is fixed on Fixing clamp-seat, the electric power exported is connected with all the other equipment, the output terminal of described arithmetical unit is connected with the input end of PLC processor, the output terminal of described PLC processor is connected with the input end of display screen, described display screen is fixed in display screen back up pad.
As preferably, the winding section of described Secondary Winding needs to be separated by each adjacent logical line by insulative glue.
As preferably, described iron core outer ring has ambroin cover parcel.
Beneficial effect:
The utility model device adopts single-chip microcomputer to carry out detecting and calculates, error is less, detection pincers are adopted to carry out magnitude of current induction, and equipment operation power supply is obtained in induction current by power supply acquisition cuicuit, avoid loaded down with trivial details wiring work, it also avoid the blackout procedures that wiring brings, the Danger Electric shock risk caused when more avoiding wiring simultaneously.
Accompanying drawing explanation
Fig. 1 the utility model apparatus structure schematic diagram;
Fig. 2 the utility model device side structure schematic diagram;
Fig. 3 the utility model device detector shell mechanism schematic diagram;
Wherein, 1-detector shell, 2-through wires hole, 3-measurement range selection knob, 4-display screen back up pad, 5-square groove, 6-cross bar, 7-Fixing clamp-seat, 8-circuit board retaining thread hole post, 9-battery case, 10-battery cover, 11-iron core, 12-Secondary Winding, 13-handle, 14-bottom empty frame, 15-wire hole, 21-power harvesting devices, 22-arithmetical unit, 23-PLC processor, 24-display screen.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the utility model further, the present embodiment is implemented under premised on technical solutions of the utility model, should understand these embodiments and only be not used in restriction scope of the present utility model for illustration of the utility model.
As shown in Fig. 1 to Fig. 3, a kind of three-phase imbalance rate detector, comprise physical construction and circuit structure, described physical construction is provided with detector shell 1, through wires hole 2, measurement range selection knob 3, display screen back up pad 4, square groove 5, cross bar 6, Fixing clamp-seat 7, circuit board retaining thread hole post 8, battery case 9, battery cover 10, iron core 11, Secondary Winding 12, handle 13, bottom empty frame 14, wire hole 15; Described circuit structure is provided with power harvesting devices 21, arithmetical unit 22, PLC processor 23, display screen 24.
Through wires hole 2 is positioned on the upper surface of detector shell 1, range rotates the front end face upper portion that knob 3 is positioned at detector shell 1, rotate range as required and rotate knob, change the amplifying circuit coefficient of internal circuit, make the numerical value of display more accurate, display screen back up pad 4 is fixedly connected with the inside wall of detector shell 1, square groove 5 is positioned at the upper end right angle of detector shell 1, the two ends of cross bar 6 are fixedly connected with two, the left and right end face of square groove 5 respectively, the Main Function of cross bar 6 is to place three-phase current pincers, easy to use and carry, Fixing clamp-seat 7 is fixedly connected with detector shell 1 rear end inwall, be mainly used to fixed power source and obtain equipment 21, one end of circuit board retaining thread hole post 8 is fixedly connected with detector shell 1 back inwall, by screw, circuit board is fixed on the inside of device, battery case 9 is positioned at the rear end lower portion of detector shell 1, battery cover 10 and battery case 9 are connected, arranging external power source is herein to better process scene, be placed with emergency case to occur.
Iron core 11 is fixedly connected with the empty frame 14 in bottom, Secondary Winding 12 is wrapped on the straight section cross bar below iron core 11, the joint of two ends coiling wears out from wire hole 15, after the left end of handle 13 and iron core 11 is fixing, be rotatably connected relative to the empty frame 14 in bottom, when pressing handle 13, make iron core 11 leading portion separately, cutting magnetic induction coil, because generation current is also passed to circuit by mutual inductance effect in Secondary Winding.
The mutual inductance electric current that Secondary Winding 12 produces is connected respectively by the input end of wire with power harvesting devices 21 and arithmetical unit 22, power harvesting devices 21 is fixed on Fixing clamp-seat 7, the electric power exported is connected with all the other equipment, the output terminal of arithmetical unit 22 is connected with the input end of PLC processor 23, the output terminal of PLC processor 23 is connected with the input end of display screen 24, and display screen 24 is fixed in display screen back up pad 4.
During use, three small-sized detection pincers are clipped on three wires respectively, due to the mutual inductance effect of electric current, generation current in Secondary Winding, pass to successively in power harvesting devices, power to other equipment, and computing wherein, current transitions is become electric signal by arithmetical unit.
Three electric signal that arithmetical unit exports are input to three input ends of PLC processor 23 by signal transmssion line, carry out comprehensive process after PLC acknowledge(ment) signal to calculate, obtain the electrical signal differential of three-phase circuit, the result of gained is shown on a display screen, is convenient to the difference condition that testing staff gets information about electric current.
Device is also provided with battery case 8 use as external power source, two-way choice, avoids the generation of fortuitous event, when not using, hand vice folder is clipped in three respectively on cross bar, easy to use and carry.
Claims (3)
1. a three-phase imbalance rate detector, it is characterized in that: comprise physical construction and circuit structure, described physical construction is provided with detector shell (1), through wires hole (2), measurement range selection knob (3), display screen back up pad (4), square groove (5), cross bar (6), Fixing clamp-seat (7), circuit board retaining thread hole post (8), battery case (9), battery cover (10), iron core (11), Secondary Winding (12), handle (13), the empty frame (14) in bottom, wire hole (15), described circuit structure is provided with power harvesting devices (21), arithmetical unit (22), PLC processor (23), display screen (24), described through wires hole (2) is positioned on the upper surface of detector shell (1), described range rotates the front end face upper portion that knob (3) is positioned at detector shell (1), described display screen back up pad (4) is fixedly connected with the inside wall of detector shell (1), described square groove (5) is positioned at the upper end right angle of detector shell (1), the two ends of described cross bar (6) are fixedly connected with two, the left and right end face of square groove (5) respectively, described Fixing clamp-seat (7) is fixedly connected with detector shell (1) rear end inwall, the one end in described circuit board retaining thread hole post (8) is fixedly connected with detector shell (1) back inwall, described battery case (9) is positioned at the rear end lower portion of detector shell (1), described battery cover (10) and battery case (9) are connected, described iron core (11) is fixedly connected with the empty frame (14) in bottom, described Secondary Winding (12) is wrapped on the straight section cross bar below iron core (11), the joint of two ends coiling wears out from wire hole (15), after described handle (13) and the left end of iron core (11) are fixed, be rotatably connected relative to the empty frame (14) in bottom, the mutual inductance electric current that described Secondary Winding (12) produces is connected respectively by the input end of wire with power harvesting devices (21) and arithmetical unit (22), described power harvesting devices (21) is fixed on Fixing clamp-seat (7), the electric power exported is connected with all the other equipment, the output terminal of described arithmetical unit (22) is connected with the input end of PLC processor (23), the output terminal of described PLC processor (23) is connected with the input end of display screen (24), described display screen (24) is fixed in display screen back up pad (4).
2. a kind of three-phase imbalance rate detector according to claim 1, is characterized in that: the winding section of described Secondary Winding (12) needs to be separated by each adjacent logical line by insulative glue.
3. a kind of three-phase imbalance rate detector according to claim 1, is characterized in that: described iron core (11) outer ring has ambroin cover parcel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420453252.5U CN204116464U (en) | 2014-08-12 | 2014-08-12 | Three-phase imbalance rate detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420453252.5U CN204116464U (en) | 2014-08-12 | 2014-08-12 | Three-phase imbalance rate detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204116464U true CN204116464U (en) | 2015-01-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420453252.5U Expired - Fee Related CN204116464U (en) | 2014-08-12 | 2014-08-12 | Three-phase imbalance rate detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204116464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991128A (en) * | 2015-07-14 | 2015-10-21 | 南京易司拓电力科技股份有限公司 | Index detection device of unbalanced three-phase treatment device |
-
2014
- 2014-08-12 CN CN201420453252.5U patent/CN204116464U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991128A (en) * | 2015-07-14 | 2015-10-21 | 南京易司拓电力科技股份有限公司 | Index detection device of unbalanced three-phase treatment device |
| CN104991128B (en) * | 2015-07-14 | 2018-06-08 | 南京易司拓电力科技股份有限公司 | Index detection device of unbalanced three-phase treatment device |
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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 |
Granted publication date: 20150121 Termination date: 20150812 |
|
| EXPY | Termination of patent right or utility model |