CN207148209U - A kind of low-voltage distribution apparatus leakage pre-alarm device - Google Patents
A kind of low-voltage distribution apparatus leakage pre-alarm device Download PDFInfo
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- CN207148209U CN207148209U CN201721150325.3U CN201721150325U CN207148209U CN 207148209 U CN207148209 U CN 207148209U CN 201721150325 U CN201721150325 U CN 201721150325U CN 207148209 U CN207148209 U CN 207148209U
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Abstract
A kind of low-voltage distribution apparatus leakage pre-alarm device, including：Terminal sensing node, repeater, Cloud Server and mobile terminal, wireless transmission signal between terminal sensing node and repeater, pass through GPRS transmission signal between repeater and Cloud Server, Cloud Server sends information to mobile device, terminal sensing node includes transformer, first single chip control module, first long range wireless data transfer module, voltage comparator circuit, transformer, first long range wireless data transfer module, voltage comparator circuit is connected with the first single chip control module respectively, repeater includes second singlechip control module, second long range wireless data transfer module, power supply module, second long range wireless data transfer module, power supply module is connected with second singlechip control module respectively.When such setting can leak electricity inside low-voltage distribution apparatus, electric leakage information can be sent quickly, so as to avoid the generation of electric shock accidents.
Description
Technical field
Technical field of low-volatile distribution equipment is the utility model is related to, is leaked electricity more particularly, to a kind of low-voltage distribution apparatus
Prior-warning device.
Background technology
When electric leakage occurs inside low-voltage distribution apparatus and making equipment leakage currentless part powered, its shell or therewith is touched
Connected protection ground wire electric shock risk be present, it is necessary to which a kind of prior-warning device of low-voltage distribution apparatus electric leakage can monitor its band in real time
Electricity condition, when leaking electricity, timely early warning, operation maintenance personnel can exclude electric shock risk in time according to warning information, reduce society
Personnel and power supply administration's employee's electric shock accidents occur, therefore invention low-voltage distribution apparatus leakage pre-alarm device.
Utility model content
The utility model is to overcome at least one defect described in above-mentioned prior art, there is provided a kind of low-voltage distribution apparatus leakage
Electric prior-warning device, effectively low-voltage distribution apparatus can be leaked electricity and carry out early warning, prevent the generation of electric shock accidents.
In order to solve the above technical problems, the technical solution of the utility model is as follows：A kind of low-voltage distribution apparatus leakage pre-alarm
Device, including：Terminal sensing node, repeater, Cloud Server and mobile terminal, described terminal sensing node and repeater it
Between wireless transmission signal, between described repeater and Cloud Server pass through GPRS transmission signal, described Cloud Server send
For information to mobile device, described terminal sensing node includes transformer, the first single chip control module, first over long distances wirelessly
Data transmission module, voltage comparator circuit, described transformer, the first long range wireless data transfer module, voltage ratio are more electric
Road is connected with the first single chip control module respectively, and described repeater includes second singlechip control module, second over long distances
Wireless data transfer module, power supply module, the second described long range wireless data transfer module, power supply module point
It is not connected with second singlechip control module., can be very when such setting can leak electricity inside low-voltage distribution apparatus
Electric leakage information is sent soon, so as to avoid the generation of electric shock accidents.
Further, the distance of described terminal sensing node and described repeater is not more than 1.5 kms, in described
There is GPRS (general packet radio service technology) signal after device location.So as to ensure that electric leakage signal can smoothly be spread out of.
Further, described power supply module includes solar energy to super capacitor and lithium battery charging circuit, super
Capacitances to supply power and lithium battery power supply switching circuit.So as to ensure the stability of power supply power supply.
Further, the first described single chip control module is micro-control unit, and described micro-control unit passes through string
Row Peripheral Interface swaps with the first long range wireless data transfer module.
Further, described terminal sensing node includes shell, and described shell is made up of waterproof material, and described is mutual
Sensor uses marine glue embedding.
Further, transformer is arranged on ground wire.
Further, described transformer is voltage-type transformer.
Compared with prior art, beneficial effect is：, can be by electric leakage information hair when low-voltage distribution apparatus has electric leakage to occur
Give the generation that staff prevents from getting an electric shock；And leakage pre-alarm device uses waterproof material, it is possible to increase the security of itself；
Power supply module can ensure the stability of power supply.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram.
Fig. 2 relaying power supply power supply process circuits.
Fig. 3 extra long distance wireless data transfer module circuit diagrams.
Embodiment
Accompanying drawing being given for example only property explanation, it is impossible to be interpreted as the limitation to this patent；It is attached in order to more preferably illustrate the present embodiment
Scheme some parts to have omission, zoom in or out, do not represent the size of actual product；To those skilled in the art,
Some known features and its explanation may be omitted and will be understood by accompanying drawing.Being given for example only property of position relationship described in accompanying drawing
Explanation, it is impossible to be interpreted as the limitation to this patent.
As shown in figure 1, a kind of low-voltage distribution apparatus leakage pre-alarm device, including：Terminal sensing node, repeater, cloud clothes
Business device and mobile terminal, wireless transmission signal between described terminal sensing node and repeater, described repeater and cloud clothes
It is engaged between device by GPRS transmission signal, described Cloud Server sends information to mobile device, described terminal sensing node
It is described including transformer, the first single chip control module, the first long range wireless data transfer module, voltage comparator circuit
Transformer, the first long range wireless data transfer module, voltage comparator circuit are connected with the first single chip control module respectively, institute
The repeater stated includes second singlechip control module, the second long range wireless data transfer module, power supply module, described
The second long range wireless data transfer module, power supply module is connected with second singlechip control module respectively.
Further, the distance of described terminal sensing node and described repeater is not more than 1.5 kms, in described
There are GPRS signals after device location.
Further, described power supply module includes solar energy to super capacitor and lithium battery charging circuit, super
Capacitances to supply power and lithium battery power supply switching circuit.
Further, the first described single chip control module is micro-control unit, and described micro-control unit passes through string
Row Peripheral Interface swaps with the first long range wireless data transfer module.
Further, described terminal sensing node includes shell, and described shell is made up of waterproof material, and described is mutual
Sensor uses marine glue embedding.
Further, transformer is arranged on ground wire.
Further, described transformer is voltage-type transformer.
Terminal sensing node outward appearance uses waterproofing design, and transformer uses marine glue embedding, circuit water-proof.According to electromagnetism sense
Technology of Internet of things that is theoretical and combining low-power consumption wide area network is answered, utilizes voltage-type transformer to monitor the shell of low-voltage distribution apparatus
Or earth strap electricity condition.According to actual measurement, low voltage earthing line is not charged under normal condition, voltage zero, works as low pressure
When controller switching equipment leaks electricity, low-voltage distribution apparatus is with the presence of voltage, therefore by transformer node installation on ground wire, and repeater is then
Installed in the eminence apart from node not far (1-1.5km) and the place of GPRS signals is needed, at any time the alarm signal of receiving node
Number.When transformer, which is detected on ground wire, the generation of early warning voltage, the transformer can export one can be single by first
The single chip control module of level signal first of piece machine control module identification monitors that the pin for connecing transformer has one high electricity
Flat input.By carrying out signal fusing with caused comparison voltage on transformer voltage comparator circuit, if electric caused by transformer
Press signal higher than the voltage on voltage comparator, then call communication module that the signal for having electric leakage is transferred into repeater.Repeater
The warning information is forwarded on the mobile terminal of user by short message backstage by GPRS transmission technology, realizes long-range low pressure
The monitoring function of controller switching equipment electric leakage signal.Fig. 3 show described above terminal sensing node pre-warning signal, relaying signal and use
Family warning information transmission principle schematic diagram.
Fig. 2 show relaying power supply power supply process circuit, is responsible for the stabilization of power supply power supply, including solar energy to super
Electric capacity and the power supply of lithium battery charging circuit and super capacitor and lithium battery power supply switching circuit.Fig. 3 is extra long distance without line number
According to transport module circuit diagram, the transport module circuit has the characteristics of low-power consumption, realizes the transmitting and reception of radio wave, actual
Test direct line of sight distance reaches 2.5 kilometers, main control MCU（Micro-control unit）Pass through SPI（Serial Peripheral Interface (SPI)）Interface and nothing
Line data transmission module carries out data exchange.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms.There is no need and unable to give all embodiments
It is exhaustive.All made within spirit of the present utility model and principle all any modification, equivalent and improvement etc., should be included in
Within the protection domain of the utility model claims.
Claims (7)
1. a kind of low-voltage distribution apparatus leakage pre-alarm device, including：Terminal sensing node, repeater, Cloud Server and movement are eventually
End, it is characterised in that wireless transmission signal between described terminal sensing node and repeater, described repeater and cloud service
By GPRS transmission signal between device, described Cloud Server sends information to mobile device, described terminal sensing node bag
Transformer, the first single chip control module, the first long range wireless data transfer module, voltage comparator circuit are included, described is mutual
Sensor, the first long range wireless data transfer module, voltage comparator circuit are connected with the first single chip control module respectively, described
Repeater include second singlechip control module, the second long range wireless data transfer module, power supply module, it is described
The second long range wireless data transfer module, power supply module is connected with second singlechip control module respectively.
2. a kind of low-voltage distribution apparatus leakage pre-alarm device according to claim 1, it is characterised in that described terminal passes
The distance of sense node and described repeater is not more than 1.5 kms, and there are GPRS signals in described repeater location.
3. a kind of low-voltage distribution apparatus leakage pre-alarm device according to claim 1, it is characterised in that described power supply supplies
Electric module includes solar energy to super capacitor and lithium battery charging circuit, super capacitor power supply and lithium battery power supply switching circuit.
4. a kind of low-voltage distribution apparatus leakage pre-alarm device according to claim 1, it is characterised in that described first is single
Piece machine control module is micro-control unit, and described micro-control unit passes through Serial Peripheral Interface (SPI) and the first long range wireless data
Transport module swaps.
5. a kind of low-voltage distribution apparatus leakage pre-alarm device according to claim 1, it is characterised in that described terminal passes
Sense node includes shell, and described shell is made up of waterproof material, and described transformer uses marine glue embedding.
6. a kind of low-voltage distribution apparatus leakage pre-alarm device according to claim 1, it is characterised in that transformer is arranged on
On ground wire.
A kind of 7. low-voltage distribution apparatus leakage pre-alarm device according to claim 1, it is characterised in that described transformer
For voltage-type transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721150325.3U CN207148209U (en) | 2017-09-08 | 2017-09-08 | A kind of low-voltage distribution apparatus leakage pre-alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721150325.3U CN207148209U (en) | 2017-09-08 | 2017-09-08 | A kind of low-voltage distribution apparatus leakage pre-alarm device |
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| CN207148209U true CN207148209U (en) | 2018-03-27 |
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| CN201721150325.3U Active CN207148209U (en) | 2017-09-08 | 2017-09-08 | A kind of low-voltage distribution apparatus leakage pre-alarm device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594064A (en) * | 2018-06-27 | 2018-09-28 | 广州华铭电力科技有限公司 | A kind of low pressure protection against electric shock prior-warning device and method |
| CN112531424A (en) * | 2020-12-27 | 2021-03-19 | 杭州拓深科技有限公司 | Safe electric shock prevention system based on 433 thing allies oneself with relay |
-
2017
- 2017-09-08 CN CN201721150325.3U patent/CN207148209U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594064A (en) * | 2018-06-27 | 2018-09-28 | 广州华铭电力科技有限公司 | A kind of low pressure protection against electric shock prior-warning device and method |
| CN112531424A (en) * | 2020-12-27 | 2021-03-19 | 杭州拓深科技有限公司 | Safe electric shock prevention system based on 433 thing allies oneself with relay |
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