CN203773000U - Networking-type electrical-fault early-warning device - Google Patents
Networking-type electrical-fault early-warning device Download PDFInfo
- Publication number
- CN203773000U CN203773000U CN201420113096.8U CN201420113096U CN203773000U CN 203773000 U CN203773000 U CN 203773000U CN 201420113096 U CN201420113096 U CN 201420113096U CN 203773000 U CN203773000 U CN 203773000U
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- chip microcomputer
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- 239000003990 capacitor Substances 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 4
- 230000006855 networking Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract 2
- 230000001413 cellular effect Effects 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Abstract
The utility model relates to a networking-type electrical-fault early-warning device which includes a current signal acquisition circuit, a voltage signal detection circuit, a single-chip microcomputer control circuit, a power-supply driving circuit and a ZigBee wireless alarm circuit. Output signals of the current signal acquisition circuit are transmitted to a comparator circuit. Output signals of the comparator circuit and the voltage signal detection circuit are transmitted to the single-chip microcomputer control circuit. Output signals of the single-chip microcomputer control circuit are transmitted to the power-supply driving circuit and the ZigBee wireless alarm circuit. When short circuit or undervoltage faults happen to a power supplying line, through judgment by the single-chip microcomputer control circuit, alarm information is sent to a host receiving module circuit through the ZigBee wireless alarm circuit so that a cellular alarm mode is formed. The networking-type electrical-fault early-warning device has the characteristics of being simple in networking and reliable in performance and the like so that a technical problem that traditional wired alarm modes and wireless alarm modes are limited in frequency points.
Description
Technical field
The utility model relates to prior-warning device, particularly be a kind of networking-type electric fault prior-warning device.
Background technology
Electric fault major part is all the fault causing because of its supply line's short circuit, under-voltage etc., and it can cause fire or personal injury, brings harm to people and country.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of networking-type electric fault prior-warning device is provided.
The utility model solves the technical scheme that its technical matters adopts: networking-type electric fault prior-warning device, include current signal Acquisition Circuit, voltage signal testing circuit, single chip machine controlling circuit, power driving circuit and ZigBee radio alarming circuit, the output signal of described current signal Acquisition Circuit is transferred to comparator circuit, the output signal of described comparator circuit and voltage signal testing circuit is sent to single chip machine controlling circuit, and the output signal of described single chip machine controlling circuit is sent to respectively power driving circuit and ZigBee radio alarming circuit.
Described current signal Acquisition Circuit adopts current transformer L1 to gather current signal, and L1 level output signal of described current transformer is transferred to rectification, filtering circuit.
Described comparator circuit adopts LM358 voltage comparator ic 2.
Described voltage signal testing circuit by line voltage input signal after capacitor C 1 step-down, resistance R 9 dividing potential drops and diode VD3 rectification, then be input to photoelectrical coupler IC4 form.
Described ZigBee radio alarming circuit adopts ZM2410 wireless module U1.
By adopting above-mentioned technical scheme, the beneficial effects of the utility model are: when supply line is short-circuited or when under-voltage fault, the utility model is after single chip machine controlling circuit judgement, send warning message by ZigBee radio alarming circuit to main frame receiver module circuit, form honeycomb fashion alarm mode, there is the features such as networking is simple, dependable performance, solved traditional wired alarm mode and the unlimited limited technical barrier of alarm mode frequency.
Brief description of the drawings
Fig. 1 is frame assumption diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
Further illustrate the utility model below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 and Figure 2, networking-type electric fault prior-warning device of the present utility model, include current signal Acquisition Circuit, voltage signal testing circuit, single chip machine controlling circuit, power driving circuit and ZigBee radio alarming circuit, the output signal of described current signal Acquisition Circuit is transferred to comparator circuit, the output signal of described comparator circuit and voltage signal testing circuit is sent to single chip machine controlling circuit, and the output signal of described single chip machine controlling circuit is sent to respectively power driving circuit and ZigBee radio alarming circuit.
Described voltage signal testing circuit by line voltage input signal after capacitor C 1 step-down, resistance R 9 dividing potential drops and diode VD3 rectification, being input to photoelectrical coupler IC4 forms again, make the inner triode conducting of photoelectrical coupler IC4, be low level output, this signal is input to the 34th pin I/O end of single-chip microcomputer IC1, also be low level state, after the judgement of single-chip microcomputer IC1 internal processor, do not send control signal.In the time of line voltage 100V on the low side, diode VD3 output dc voltage is in the output of 1V left and right, this signal is input to photoelectrical coupler IC4, can not make the triode conducting of photoelectrical coupler IC4 inside, is cut-off state, high level output, this signal is input to single-chip microcomputer IC1 the 34th pin I/O end, is also high level state, after the judgement of single-chip microcomputer IC1 internal processor, mains-supplied undertension is described in supply line in decompression state.First via output, by the 28th pin output high level of single-chip microcomputer IC1, makes photoelectrical coupler IC3 conducting, relay J 1 adhesive, the contact J1-1 of relay J 1 is become normally closed point from normal battle, control and cut off consumer, avoid on the low side because of line voltage, cause electrical equipment starting difficulty and breaking out of fire.Export by the 6th of ZM2410 wireless module U1 on another road, the 10th of 7 ends and single-chip microcomputer IC1, 11 end composition ZigBee wireless module circuit, the embedded serial ports transparent transmission of Zigbee (some multiple spot and the point-to-multipoint) communications protocol that ZM2410 wireless module U1 is built-in 2.4GHZ, support aerial upgrade firmware or configuration far module information, up to the power stage of 7dBm and-receiving sensitivity of 100dBm, can meet telecommunication, send AT instruction by single-chip microcomputer IC1 ZM2410 wireless module U1 is realized to wireless data transceiving, switch pin with RS-485 direction, send warning message to main frame receiver module circuit, form honeycomb fashion alarm mode.
Described current signal Acquisition Circuit adopts current transformer L1 to gather current signal, when phase line current is by current transformer L1, L1 level of current transformer can produce voltage signal, through the half-wave rectifying circuit of resistance R 1, capacitor C 2, capacitor C 3, capacitor C 4, diode VD2 composition, through resistance R 1 current limliting, resistance R 2 dividing potential drops, diode VD2 rectification, charges to capacitor C 3.This voltage signal is through forming filter integral circuit by resistance R 3 current limlitings, capacitor C 5, capacitor C 6, output linearity voltage signal.
In the time there is short trouble in supply line, the current signal that current transformer L1 responds to increases, through diode VD2 filtering, capacitor C 5, after the filtering such as C6, this signal is input to the 2nd pin of LM358 voltage comparator ic 2, when the 2nd pin current potential of LM358 voltage comparator ic 2 is than the 3rd pin voltage of LM358 voltage comparator ic 2 when high, the 2 internal comparator upsets of LM358 voltage comparator ic, by its 1st pin output high level signal, this signal is through resistance R 8 current limlitings, the 39th pin I/O end that is input to single-chip microcomputer IC1 is also high level state, after the judgement of single-chip microcomputer IC1 internal processor, supply line's fault that has been short-circuited is described.First via output, by the 28th pin output high level of single-chip microcomputer IC1, makes photoelectrical coupler IC3 conducting, relay J 1 adhesive, and the contact J1-1 of relay J 1 is become normally closed point from normal battle, control and cut off consumer; Another road output sends AT instruction by single-chip microcomputer IC1 ZM2410 wireless module U1 is realized to wireless data transceiving, switch pin with RS-485 direction, send warning message to main frame receiver module circuit, form honeycomb fashion alarm mode, solved traditional wired alarm mode and the unlimited limited technical barrier of alarm mode frequency.
Above-described is only a preferred embodiment of the present utility model, can not limit the scope that the utility model is implemented, and every equalization of doing according to the utility model claim changes and decorates, and all should still belong in the scope that the utility model contains.
Claims (5)
1. networking-type electric fault prior-warning device, it is characterized in that: include current signal Acquisition Circuit, voltage signal testing circuit, single chip machine controlling circuit, power driving circuit and ZigBee radio alarming circuit, the output signal of described current signal Acquisition Circuit is transferred to comparator circuit, the output signal of described comparator circuit and voltage signal testing circuit is sent to single chip machine controlling circuit, and the output signal of described single chip machine controlling circuit is sent to respectively power driving circuit and ZigBee radio alarming circuit.
2. networking-type electric fault prior-warning device according to claim 1, is characterized in that: described current signal Acquisition Circuit adopts current transformer L1 to gather current signal, and L1 level output signal of described current transformer is transferred to rectification, filtering circuit.
3. networking-type electric fault prior-warning device according to claim 2, is characterized in that: described comparator circuit adopts LM358 voltage comparator ic 2.
4. networking-type electric fault prior-warning device according to claim 1, it is characterized in that: described voltage signal testing circuit by line voltage input signal after capacitor C 1 step-down, resistance R 9 dividing potential drops and diode VD3 rectification, then be input to photoelectrical coupler IC4 form.
5. networking-type electric fault prior-warning device according to claim 1, is characterized in that: described ZigBee radio alarming circuit adopts ZM2410 wireless module U1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420113096.8U CN203773000U (en) | 2014-03-13 | 2014-03-13 | Networking-type electrical-fault early-warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420113096.8U CN203773000U (en) | 2014-03-13 | 2014-03-13 | Networking-type electrical-fault early-warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203773000U true CN203773000U (en) | 2014-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420113096.8U Expired - Lifetime CN203773000U (en) | 2014-03-13 | 2014-03-13 | Networking-type electrical-fault early-warning device |
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| Country | Link |
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| CN (1) | CN203773000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548804A (en) * | 2015-12-08 | 2016-05-04 | 青岛乾程智能配电有限公司 | Power line fault indicator probe |
-
2014
- 2014-03-13 CN CN201420113096.8U patent/CN203773000U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548804A (en) * | 2015-12-08 | 2016-05-04 | 青岛乾程智能配电有限公司 | Power line fault indicator probe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING HUIYI INTELLIGENT TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WANG LIQIANG Effective date: 20150610 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150610 Address after: 100041, room 2, building 3, building 30, Xing Xing street, Shijingshan District, Beijing, Patentee after: BEIJING JIUZHOU HENGSHENG ELECTRIC TECHNOLOGY Co.,Ltd. Address before: 362804, No. 12, inverted bridge, Tianzhu village, Quanzhou District, Quangang, Fujian Patentee before: Wang Liqiang |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |
|
| CX01 | Expiry of patent term |