CN203084057U - Multi-loop current acquisition apparatus - Google Patents
Multi-loop current acquisition apparatus Download PDFInfo
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- CN203084057U CN203084057U CN 201320031859 CN201320031859U CN203084057U CN 203084057 U CN203084057 U CN 203084057U CN 201320031859 CN201320031859 CN 201320031859 CN 201320031859 U CN201320031859 U CN 201320031859U CN 203084057 U CN203084057 U CN 203084057U
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Abstract
The utility model provides a multi-loop current acquisition apparatus which comprises a printed circuit board packed in a box and a box cover, wherein the printed circuit board comprises TVS tubes, current transformers, a socket, a configuration chip and the communication port thereof, wherein two output terminals of each current transformer are each connected with one TVS tube and connected to two pins of the socket of the printed circuit board, a transformer center hole is arranged on the current transformer, cable penetrating holes are arranged at both sides corresponding to both sides of the box, and LED lamps are arranged on the box cover. The printed circuit board controls multiple power supplies, and current transformers and TVS tubes prevent high voltage of the current transformer due to open circuit. The configuration chip stores various parameters of the current transformers, and the parameters are input to an intelligent instrument through the communication port for reading out. The detection precision is improved. A plurality of LED lamps installed on the box cover correspondingly display the work state of each power supply.
Description
Technical field
The utility model relates to a kind of multiloop current collecting device, specifically is a kind of device at the design of multichannel current switch signals collecting.
Background technology
Current China is carrying out the intelligent grid construction, and need corresponding acquisition function of equipment disposition and control function on the terminal of composition intelligent grid, in the power transmission and distribution device less than the isolating switch of the following electric current of 100A because factors such as cost and apparatus structure do not possess real-time detection and current acquisition function, and special configuration one covering device is because the structure of equipment and the restriction in place, add that the cost factor all can't realize, because so some parts in intelligent grid of this factor also adopt artificial data acquisition, the purpose that is unfavorable for intelligent remote detection and control, at present at home and all carry out the single device that installs its detection and collection additional abroad with expensive, but because the dimensional requirement of controller switching equipment restriction, can't realize the little electric current of each controlled to concentrate carrying out to a plurality of little current devices, be unfavorable for refinement of managing and the detection of implementing specialty.Therefore there is defective in the integrality to present intelligent grid terminal device, also is unfavorable for the requirement of managing on the equipment.
Summary of the invention
The deficiency that the utility model exists at present equipment for power transmission and distribution, a kind of multiloop current collecting device is provided, can detect present current status at the following isolating switch of electric current 100A, can carry out acquisition testing to 21 tunnel input and output current status, the line output of going forward side by side control is with detection and the control of satisfying the intelligent grid terminal device.
The technical solution of the utility model is: described multiloop current collecting device comprises the printed-wiring board (PWB) that is packaged in box and the lid, include on the described printed-wiring board (PWB): TVS pipe, current transformer, socket, configuring chip and PORT COM thereof, configuring chip store the parameter of each current transformer; Two output terminals of each current transformer connect a TVS pipe, and are connected to two contact pins on the socket by the circuit on the printed-wiring board (PWB); Described current transformer is provided with the mutual inductor center hole, and corresponding box both sides are provided with wears cable aperture, and current supply cable passes.
The LED lamp is set on the described lid, the corresponding current transformer of each LED lamp, described LED lamp is by the external equipment power supply that is connected with socket.
Described configuring chip adopts the US384 chip, and configuring chip is connected to outside intelligence instrument by PORT COM.
The utility model has the advantages that: adopt printed-wiring board (PWB) that multiple power supplies is controlled; Adopt current transformer also to dispose the TVS pipe, TVS protection of pipe current transformer plays the function that transient state discharges because open circuit causes high voltage, avoid since high voltage to the damage of intelligence instrument and the accident that causes.
The utility model adopts configuring chip by the various parameters in a plurality of current transformers are stored, and is input to intelligence instrument by PORT COM and reads, and can improve the precision of its detection.Utilize simultaneously the corresponding every road power work state that shows of a plurality of LED lamps is installed on the lid.
Description of drawings
Fig. 1 is the printed-wiring board (PWB) synoptic diagram of the utility model cassette interior.
Fig. 2 is burn-on a vertical view behind the current transformer of printed-wiring board (PWB) among Fig. 1.
Fig. 3 is the lid synoptic diagram.
Embodiment
Below in conjunction with drawings and Examples invention is described further.
As Fig. 1, shown in 3, described multiloop current collecting device comprises the printed-wiring board (PWB) 1 that is packaged in box 6 and the lid 7.
As Fig. 1, shown in 2, include on the described printed-wiring board (PWB) 1: TVS pipe 2, current transformer 3, socket 4, configuring chip 5 and PORT COM 10 thereof, two output terminals of each current transformer 3 connect a TVS pipe 2, and are connected to two contact pins on the socket 4 by the circuit on the printed-wiring board (PWB) 1.Configuring chip 5 adopts the integrated control chip US384 of high performance current mode, in advance the parameters of each current transformer 3 is stored in this chip, and by PORT COM 10 external intelligence instruments, after current transformer 3 energising back intelligence instrument is according to each current transformer 3 input signal, calculate and on the intelligence instrument screen, show with the data comparison of configuring chip 5 and since be each current transformer 3 parameter of setting in advance different therefore when input configuring chip 5 submit also difference of parameters to.Described current transformer 3 is provided with mutual inductor center hole 9, and corresponding box 7 both sides are provided with wears cable aperture, and current supply cable passes.
As shown in Figure 3, LED lamp 8 is set on the lid 7, each LED lamp 8 corresponding current transformer 3, described LED lamp 8 is by the intelligence instrument power supply that is connected with socket 4.
As shown in Figure 1, the utility model has at first disposed 21 road circuit on printed-wiring board (PWB) 1,3 two output terminals of each current transformer are installed on one road circuit of configuration, 3 two output terminals of current transformer also connect TVS pipe 2, and the contact pin of socket 4 docks according to 21 road circuit on the printed-wiring board (PWB) 1.Printed-wiring board (PWB) 1 is installed in box 6 internal fixation.Accordingly, lid 7 is installed 21 LED lamps 8.
This device is by the isolating switch out-put supply, transmit by cable, the cable of isolating switch output is by mutual inductor center hole 9, the electric current that produces when breaker closing forms the Hall effect magnetoelectric effect by the hole that cable passes on the current transformer, is milliampere by the no-load voltage ratio electric current by original ampere no-load voltage ratio, making the circuit on the printed-wiring board (PWB) 1 can bear a milliampere electric current, is output by the circuit gang socket 4 on the printed-wiring board (PWB) 1 and to each circuit by 2 contact pins.Connect a TVS pipe 2 at current transformer 3 two ends and when not having high voltage be not conducting, only moment discharges when high voltage, so just can guarantee that the high voltage of its current transformer 3 generation when opening a way discharges.Configuring chip 5 is installed on printed-wiring board (PWB) 1, because each is inequality for current transformer 3 parameters, for guaranteeing that its accuracy at first detects and each parameter is stored on the configuring chip 5 parameter of each current transformer 3, when the socket of the socket on the printed-wiring board (PWB) 14 and upper end is connected to intelligence instrument, can not only understand each current conditions timely and also can read parameter on the configuring chip 4, calculate so that read the back, guarantee the degree of accuracy of its detection.21 LED lamps 8 provide power supply by the described intelligence instrument of joining outward, show every road power supply status.This device can detect 21 road circuit, and detects, shows and control LED lamp 8 on this device lid 7 by external intelligence instrument.Realize that an intelligence instrument just can show, detect 21 road circuit.21 LED lamps of this device provide the power supply on every road by intelligence instrument, offer LED lamp power supply when intelligence instrument has detected electricity, and the LED lamp is bright, otherwise does not work.
Below be specific embodiment of the present utility model: at first printing 21 road circuit on the printed-wiring board (PWB) 1, the maximum current of 100 milliamperes in electric current can be born in every road, 3 two output terminals of current transformer are welded on the printed-wiring board (PWB) 1 on one road circuit, 3 two output terminals of current transformer also connect TVS pipe 2, when current transformer during at second open circuit, TVS pipe 2 is that transient voltage suppresses diode, can effectively discharge during the high voltage that when second open circuit appears in current transformer 3, produces, guarantee the safety of circuit.21 road circuit on the printed-wiring board (PWB) 1 concentrate on socket 4 positions at last, 21 road socket lock pins are installed are welded on printed-wiring board (PWB) 1 relevant position according to every road circuit.Configuring chip 5 is installed on printed-wiring board (PWB) 1 in addition, each parameter of 5 pairs of 21 current transformers of configuring chip such as no-load voltage ratio, error, rated current etc. are provided with and store, and output to by PORT COM 10 and can read its various parameters after external intelligence instrument connects, be convenient to external intelligence instrument and calculate detection with precision.PORT COM 10 connects external intelligence instrument by socket and reads, shows and detect.
The printed-wiring board (PWB) 1 of this device is installed in the box 6.Box 6 both sides are provided with wears cable aperture, and passing through of cable is convenient in UNICOM up and down.21 LED lamps are installed on the lid 7, are powered by intelligence instrument, detect the power supply status on every road, the LED lamp is bright when this Lu Youdian.
In sum; this device is the device of an energy to 21 tunnel current detecting; adopt the Hall effect principle of current transformer to detect; and current transformer open circuit protected; device adopts printed-wiring board (PWB); circuit gang socket by no-load voltage ratio electric current milliampere is exported, and adopts configuring chip that each parameter of No. 21 current transformers is provided with and stores, and can externally read.Device adopts box to install, and the LED lamp is installed on the box panel controls by external intelligence instrument.
Claims (3)
1. multiloop current collecting device, comprise the printed-wiring board (PWB) (1) that is packaged in box (6) and the lid (7), it is characterized in that: described printed-wiring board (PWB) includes on (1): TVS pipe (2), current transformer (3), socket (4), configuring chip (5) and PORT COM (10) thereof, and configuring chip (5) stores the parameter of each current transformer (3); Two output terminals of each current transformer (3) connect a TVS pipe (2), and are connected to last two contact pins of socket (4) by the circuit on the printed-wiring board (PWB) (1); Described current transformer (3) is provided with mutual inductor center hole (9), and corresponding box (7) both sides are provided with wears cable aperture, and current supply cable passes.
2. multiloop current collecting device according to claim 1, it is characterized in that, LED lamp (8) is set on the described lid (7), the corresponding current transformer (3) of each LED lamp (8), described LED lamp (8) is by the external equipment power supply that is connected with socket (4).
3. multiloop current collecting device according to claim 1 is characterized in that, described configuring chip (5) adopts the US384 chip, and configuring chip (5) is connected to the intelligence instrument of outside by PORT COM (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320031859 CN203084057U (en) | 2013-01-21 | 2013-01-21 | Multi-loop current acquisition apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320031859 CN203084057U (en) | 2013-01-21 | 2013-01-21 | Multi-loop current acquisition apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203084057U true CN203084057U (en) | 2013-07-24 |
Family
ID=48829882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320031859 Expired - Lifetime CN203084057U (en) | 2013-01-21 | 2013-01-21 | Multi-loop current acquisition apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203084057U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103116060A (en) * | 2013-01-21 | 2013-05-22 | 博耳(无锡)电力成套有限公司 | Multi-loop current collection device |
-
2013
- 2013-01-21 CN CN 201320031859 patent/CN203084057U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103116060A (en) * | 2013-01-21 | 2013-05-22 | 博耳(无锡)电力成套有限公司 | Multi-loop current collection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |
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| CX01 | Expiry of patent term |