CN204405724U - A kind of bracelet-shaped detector of finding out dangerous voltage - Google Patents
A kind of bracelet-shaped detector of finding out dangerous voltage Download PDFInfo
- Publication number
- CN204405724U CN204405724U CN201420810106.3U CN201420810106U CN204405724U CN 204405724 U CN204405724 U CN 204405724U CN 201420810106 U CN201420810106 U CN 201420810106U CN 204405724 U CN204405724 U CN 204405724U
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- CN
- China
- Prior art keywords
- bracelet
- circuit
- detecting coil
- dangerous voltage
- resin enclosure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011347 resin Substances 0.000 claims abstract description 19
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 238000004806 packaging method and process Methods 0.000 claims abstract description 3
- 230000003750 conditioning effect Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000005672 electromagnetic field Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000000707 wrist Anatomy 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
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- Emergency Alarm Devices (AREA)
Abstract
A kind of bracelet-shaped detector of finding out dangerous voltage, it comprises bracelet shape resin enclosure, detecting coil and audio alarm circuit, coaxial packaging is in bracelet shape resin enclosure on the coil rack that described detecting coil is wound on ring-type and together with coil rack, the side of described resin enclosure is provided with warning circuit mounting box, the circuit board of described audio alarm circuit is arranged in warning circuit mounting box, one end ground connection of detecting coil, the trigger pip input end of a termination audio alarm circuit.The utility model utilizes the detecting coil be encapsulated in bracelet shape resin enclosure to respond to the electromagnetic field around high pressure facility, quick detection also can send audio alarming signal in time to dangerous voltage, the electric shock casualty accident effectively preventing staff from causing due to carelessness, illusion or error, is particularly suitable for power construction and maintainer uses.
Description
Technical field
The utility model relates to a kind of bracelet-shaped high voltage detector being suitable for the sent audible alerts signal of power construction and maintainer's use, belongs to telltale technical field.
Background technology
When carrying out power construction and upkeep operation, staff often can touch electric power facility and the electric devices such as all kinds of bus, wire, switch, safety apparatus, panel box.For preventing getting an electric shock, staff's common configuration safety helmet type alarm, but the electric shock casualty accident caused due to staff's carelessness, illusion or error still cannot be avoided.Its main cause be the both hands of operator operationally often near charged facility, and existing safety helmet type alarm cannot detect dangerous voltage in time because distance charged facility is comparatively far away, sends the time lag of alerting signal.Therefore, how effectively to avoid power construction and maintainer to get an electric shock just becoming the difficult problem that relevant technologies personnel face.
Utility model content
The purpose of this utility model is the drawback for prior art, provides a kind of bracelet-shaped detector of finding out dangerous voltage, effectively to avoid the generation of electric shock accidents.
Problem described in the utility model realizes with following technical proposals:
A kind of bracelet-shaped detector of finding out dangerous voltage, formation comprises bracelet shape resin enclosure, detecting coil and audio alarm circuit, coaxial packaging is in bracelet shape resin enclosure on the coil rack that described detecting coil is wound on ring-type and together with coil rack, the side of described resin enclosure is provided with warning circuit mounting box, the circuit board of described audio alarm circuit is arranged in warning circuit mounting box, one end ground connection of detecting coil, the trigger pip input end of a termination audio alarm circuit.
Above-mentioned bracelet-shaped detector of finding out dangerous voltage, described audio alert circuit comprises signal conditioning circuit, Music Clip, hummer, triode, coupling capacitance and biasing resistor, the input termination detecting coil of described signal conditioning circuit, export the trigger pin of termination Music Clip, the grounded emitter of described triode, base stage is through biasing resistor ground connection and connect the output pin of Music Clip through coupling capacitance, and described hummer is the load of transistor collector.
Above-mentioned bracelet-shaped detector of finding out dangerous voltage, described signal conditioning circuit comprises signal amplifier, diode, repeating resistance and anti-interference capacitor, the input termination detecting coil of described signal amplifier, output terminal connects the trigger pin of Music Clip successively through diode and repeating resistance, described anti-interference capacitor one end ground connection, the trigger pin of a termination Music Clip.
Above-mentioned bracelet-shaped detector of finding out dangerous voltage, the lid of described warning circuit mounting box is provided with sender, and described sender is corresponding with the hummer be welded on circuit boards.
Above-mentioned bracelet-shaped detector of finding out dangerous voltage, described audio alert circuit adopts button cell to power, and described button cell is arranged on the circuit board of audio alert circuit.
The utility model utilizes the detecting coil be encapsulated in bracelet shape resin enclosure to respond to the electromagnetic field around high pressure facility, quick detection also can send audio alarming signal in time to dangerous voltage, effectively prevent the electric shock casualty accident that staff causes due to carelessness, illusion or error.
High voltage detector is made into bracelet-shaped by the utility model, is worn in wrist during use, and when Keep Clear-High Voltage in generation, its chimes of doom was both easily heard, can not hinder again the bimanualness of operating personnel simultaneously, is particularly suitable for power construction and maintainer's use.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A-A cut-open view;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is the electrical schematic diagram of audio alarm circuit.
In figure, each label is: 1, resin enclosure, 2, warning circuit mounting box, 3, lid, 4, circuit board, 5, coil lead, 6, coil rack, 7, sender, U1, Music Clip, FM, hummer, L, detecting coil, F, signal amplifier, R1, repeating resistance, R2, biasing resistor, T, triode, D, diode, C1, anti-interference capacitor, C2, coupling capacitance.
Embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, the utility model comprises bracelet shape resin enclosure 1, detecting coil L, coil rack 6 and audio alarm circuit, the circuit board of audio alarm circuit is arranged in the warning circuit mounting box 2 of resin enclosure 1 side, and the lid 3 of warning circuit mounting box 2 is provided with sender 7.
When making bracelet-shaped detector, first enameled wire coiling detecting coil L on the coil rack 6 of ring-type is used, then coil rack 6 is put into together with detecting coil L the cavity of mould, then to resin by injection in the cavity of mould, after resin solidification, form bracelet shape resin enclosure 1.Finally the circuit board of audio alarm circuit is arranged in the warning circuit mounting box 2 of resin enclosure 1 side, covers lid 3.When making resin enclosure 1, the coil lead 5 of detecting coil L should be placed on the position of warning circuit mounting box 2, to be connected with audio alarm circuit.
When power construction and maintainer work, be worn over by the utility model in wrist, detecting coil L senses trigger audio warning circuit after the Electric and magnetic fields signal around high-tension apparatus, makes audio alarm circuit send audio alarming signal.Because the structural parameters of detecting coil L are very stable, therefore there is higher detection sensitivity.
Referring to Fig. 4, audio alarm circuit comprises signal conditioning circuit, Music Clip U1, hummer FM, biasing resistor R2, triode T and coupling capacitance C2.Wherein, signal conditioning circuit comprises signal amplifier F, diode D, anti-interference capacitor C1 and repeating resistance R1.Signal conditioning circuit is used for the signal that detecting coil L receives to carry out amplifying, send into the trigger pin of Music Clip U1 after rectification.
When the trigger pin of Music Clip U1 receives trigger pip, its signal output part D/P output audio signal, this signal is coupled to the base stage of triode T through coupling capacitance C2, amplify rear drive hummer FM by triode T to work, so hummer FM sends audible alerts signal, remind staff to take care, prevent electric shock accidents.
The lid 3 of warning circuit mounting box 2 is provided with sender 7, is convenient to the propagation of audio alarming signal.Audio alert circuit adopts button cell to power, and powered battery volume is little, is convenient to install.
Claims (5)
1. can find out the bracelet-shaped detector of dangerous voltage for one kind, it is characterized in that, it comprises bracelet shape resin enclosure (1), detecting coil (L) and audio alarm circuit, described detecting coil (L) be wound on the coil rack (6) of ring-type upper and together with coil rack (6) coaxial packaging in bracelet shape resin enclosure (1), the side of described resin enclosure (1) is provided with warning circuit mounting box (2), the circuit board (4) of described audio alarm circuit is arranged in warning circuit mounting box (2), one end ground connection of detecting coil (L), the trigger pip input end of one termination audio alarm circuit.
2. a kind of bracelet-shaped detector of finding out dangerous voltage according to claim 1, it is characterized in that, described audio alert circuit comprises signal conditioning circuit, Music Clip (U1), hummer (FM), triode (T), coupling capacitance (C2) and biasing resistor (R2), the input termination detecting coil (L) of described signal conditioning circuit, export the trigger pin of termination Music Clip (U1), the grounded emitter of described triode (T), base stage is through biasing resistor (R2) ground connection and connect the output pin of Music Clip (U1) through coupling capacitance (C2), described hummer (FM) is the load of triode (T) collector.
3. a kind of bracelet-shaped detector of finding out dangerous voltage according to claim 2, it is characterized in that, described signal conditioning circuit comprises signal amplifier (F), diode (D), repeating resistance (R1) and anti-interference capacitor (C1), the input termination detecting coil (L) of described signal amplifier (F), output terminal connects the trigger pin of Music Clip (U1) successively through diode (D) and repeating resistance (R1), described anti-interference capacitor (C1) one end ground connection, the trigger pin of a termination Music Clip (U1).
4. a kind of bracelet-shaped detector of finding out dangerous voltage according to claim 3, it is characterized in that, the lid (3) of described warning circuit mounting box (2) is provided with sender (7), and described sender (7) is corresponding with the hummer (FM) be welded on circuit board (4).
5. a kind of bracelet-shaped detector of finding out dangerous voltage according to claim 4, is characterized in that, described audio alert circuit adopts button cell to power, and described button cell is arranged on the circuit board (4) of audio alert circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420810106.3U CN204405724U (en) | 2014-12-20 | 2014-12-20 | A kind of bracelet-shaped detector of finding out dangerous voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420810106.3U CN204405724U (en) | 2014-12-20 | 2014-12-20 | A kind of bracelet-shaped detector of finding out dangerous voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204405724U true CN204405724U (en) | 2015-06-17 |
Family
ID=53429574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420810106.3U Expired - Fee Related CN204405724U (en) | 2014-12-20 | 2014-12-20 | A kind of bracelet-shaped detector of finding out dangerous voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204405724U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104574809A (en) * | 2014-12-20 | 2015-04-29 | 国家电网公司 | Bracelet type high voltage detector |
| CN105548728A (en) * | 2015-12-04 | 2016-05-04 | 广东小天才科技有限公司 | Danger prompting method and danger prompting device for intelligent wearable equipment |
| CN106093540A (en) * | 2016-06-02 | 2016-11-09 | 国网天津市电力公司 | A kind of protection against electric shock bracelet |
| GB2587083A (en) * | 2019-07-10 | 2021-03-17 | Michael Hoyle Christian | Electrical field detecting system |
-
2014
- 2014-12-20 CN CN201420810106.3U patent/CN204405724U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104574809A (en) * | 2014-12-20 | 2015-04-29 | 国家电网公司 | Bracelet type high voltage detector |
| CN105548728A (en) * | 2015-12-04 | 2016-05-04 | 广东小天才科技有限公司 | Danger prompting method and danger prompting device for intelligent wearable equipment |
| CN106093540A (en) * | 2016-06-02 | 2016-11-09 | 国网天津市电力公司 | A kind of protection against electric shock bracelet |
| GB2587083A (en) * | 2019-07-10 | 2021-03-17 | Michael Hoyle Christian | Electrical field detecting 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 |
Granted publication date: 20150617 Termination date: 20191220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |