CN202886455U - Intelligent voltage warning instrument - Google Patents
Intelligent voltage warning instrument Download PDFInfo
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- CN202886455U CN202886455U CN 201220431280 CN201220431280U CN202886455U CN 202886455 U CN202886455 U CN 202886455U CN 201220431280 CN201220431280 CN 201220431280 CN 201220431280 U CN201220431280 U CN 201220431280U CN 202886455 U CN202886455 U CN 202886455U
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- intelligent voltage
- voltage warning
- voltage
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Abstract
The utility model discloses an intelligent voltage warning instrument. The intelligent voltage warning instrument comprises a circuit board, an antenna unit, a magnetic field measuring unit, and a display unit. The circuit board comprises a speech circuit and a CPU (central processing unit), the speech circuit is connected with the CPU, and an output end of the speech circuit is connected with a loudspeaker. The CPU is connected with a database, and the database contains voltage values and safety distances of a plurality of high-voltage lines, linearly varied distance values each corresponding to the voltage value of each high-voltage line, and electric field intensity values and magnetic field intensity values corresponding to the distance values respectively and uniquely. The antenna unit is electrically connected with the CPU, and used for inducing electric fields generated by power-frequency alternating currents in the high-voltage lines and measures the intensities of the electric fields. The display unit is electrically connected with the CPU. The intelligent voltage warning instrument has the advantages of high warning accuracy, low power, intelligence and small size.
Description
Technical field
The utility model relates to a kind of warning device, relates in particular to a kind of intelligent voltage warning device of measuring transmission voltage value and security activity range data in the high-tension line respective range.
Background technology
The fast development of modern power systems brings a lot of convenience to people's life, has brought more challenge also for simultaneously electric system maintenance personal's safety.The alarm song that present alarm for nearing electrisity sends continues, and the sound can bring puzzlement to the maintenance personal for a long time, and in noisy occasion, the maintenance personal also might can't hear chimes of doom, brings hidden danger to personal safety.
The utility model content
The purpose of this utility model provides a kind of low cost, low-power consumption, exempts from the intelligent voltage warning device of switch and automatic alarm.
Another purpose of the present utility model provides a kind ofly can measure transmission voltage value and security activity range data in the high-tension line respective range, be presented at related data on the display screen and the intelligent voltage warning device of voice circular.
The problem that exists in order to solve prior art achieves the above object, and the utility model provides a kind of intelligent voltage warning device, comprising:
Circuit board comprises sound circuit and CPU, and described sound circuit links to each other with CPU and its output terminal is connected with a loudspeaker; Described CPU is connected with a database, comprise in the described database magnitude of voltage of a plurality of hi-lines and safe distance, and the distance value of the linear change corresponding with the magnitude of voltage of each hi-line and electric field intensity value and the field strength values corresponding with this distance value, and its corresponding relation is unique;
Antenna element is electrical connected with described CPU, and the electric field that industrial-frequency alternating current produces in the induction high-tension line is also measured its intensity level;
The magnetic-field measurement unit is electrical connected with described CPU, and its intensity level is also measured in the magnetic field that industrial-frequency alternating current produces in the induction high-tension line;
Display unit is electrical connected with described CPU;
Wherein, the intensity level of the Electric and magnetic fields that industrial-frequency alternating current produces in the high-tension line is on every side measured respectively in described antenna element and described magnetic-field measurement unit, and the result is sent to described CPU; CPU mates the intensity level of the Electric and magnetic fields that obtains and the data in the database, draw magnitude of voltage and the distance value of described hi-line, and compare with the safe distance of described hi-line, obtain maintenance personal's security activity range data, and the result sent to described display unit and described sound circuit, described display unit and described loudspeaker show respectively and the voice broadcast related data.
Preferably, described intelligent voltage warning device also comprises self-test switch, after pressing described self-test switch, whole intelligent voltage warning device is in the self check state: when not having electric field on every side, described intelligent voltage warning device enters dormant state automatically, when industrial-frequency alternating current was sensed in the antenna unit, described intelligent voltage warning device entered the state of alert automatically.
Preferably, described intelligent voltage warning device also comprises a crystal oscillator, and itself and CPU are electrical connected, so that clocking capability to be provided.
Preferably, described intelligent voltage warning device also comprises battery, links to each other with described circuit board, for whole intelligent voltage warning device provides stabilized voltage supply.
Preferably, described magnetic-field measurement unit comprises a magnetic field sensor.
Preferably, described display unit is a LCDs.
Preferably, the measurement range of described intelligent voltage warning device magnitude of voltage is 220 volts～500,000 volts.
The beneficial effects of the utility model are: intelligent voltage warning device described in the utility model is by the electronic switch automatic switching, the intensity of the Electric and magnetic fields that antenna element and magnetic-field measurement unit produce industrial-frequency alternating current is respectively measured, by intelligent voltage warning device described in the utility model, the maintenance personal can know clearly whether the region exists industrial-frequency alternating current, the high-tension electricity magnitude of voltage, distance and security activity range data, and give simultaneously the information warning of electric system maintenance personal vision and sound, even at noisy environment, or night also can see related data by LCDs, safe and reliable.The high and low power of described intelligent voltage warning device warning accuracy, intellectuality and volume are little, can carry, as be clipped in the chest, and neckline is contained on the safety helmet, also can work as electroscope and use.
Description of drawings
Fig. 1 is the structural representation of intelligent voltage warning device described in the utility model
Embodiment
Below in conjunction with accompanying drawing the utility model is described further, so that those of ordinary skills are with reference to implementing according to this behind this instructions.
Fig. 1 is the structural representation of intelligent voltage warning device described in the utility model, and it comprises circuit board, antenna element, magnetic-field measurement unit, display unit and battery.Described circuit board comprises sound circuit and CPU, and described sound circuit links to each other with CPU and its output terminal is connected with a loudspeaker; Described CPU is connected with a database, comprise in the described database magnitude of voltage of a plurality of hi-lines and safe distance, and the distance value of the linear change corresponding with the magnitude of voltage of each hi-line and electric field intensity value and the field strength values corresponding with this distance value, and its corresponding relation is unique; Described antenna element and described CPU are electrical connected, and comprise antenna, and the electric field that industrial-frequency alternating current produces in the induction surrounding environment mesohigh circuit is also measured its electric field intensity value; Described magnetic-field measurement unit is connected with described CPU, comprises a magnetic inductor, measures the field strength values that industrial-frequency alternating current produces in the surrounding environment mesohigh circuit; Described antenna element and magnetic-field measurement unit also comprise amplifying circuit, filtering circuit, absolute value circuit, true rms circuit and A/D converter, Electric and magnetic fields in described antenna and the described magnetic inductor induction surrounding environment, successively behind amplifying circuit, filtering circuit, absolute value circuit, true rms circuit and A/D converter, measurement result is sent to described CPU again; Described battery links to each other with described circuit board, for whole intelligent voltage warning device provides stabilized voltage supply.
The course of work of intelligent voltage warning device described in the utility model comprises the steps:
Step 1, described antenna element are responded to the electric field that industrial-frequency alternating current in the high-tension line on every side produces, and its electric field intensity is measured, and the result is sent to described CPU; The magnetic field intensity in the surrounding environment is measured in described magnetic-field measurement unit, and measurement result is sent to CPU; Described antenna element can only be at the electric field of specific distance range internal induction industrial-frequency alternating current generation, because the general high voltage line all is erected on the higher position, larger distance is the electric field that induction produces less than wherein industrial-frequency alternating current, only in nearer distance, just can detect during near high-tension line in maintenance process such as the power equipment maintaining personnel.
Step 2, CPU are mated the intensity level of the Electric and magnetic fields that obtains and the data in the database, draw magnitude of voltage and the distance value of described hi-line, and compare with the safe distance of described hi-line, obtain maintenance personal's security activity range data, and the result is sent to described display unit and described sound circuit.For example, the voltage of hi-line is the C value, its safe distance is the E value, distance at Distance High Voltage Electricity Transfer is the place of D value, its magnetic field intensity B value and electric field intensity A value are certain, the corresponding relation of described magnetic field intensity B value and electric field intensity A value and distance D value is unique, as long as so known electric field intensity A value and magnetic field intensity B value, can draw soon magnitude of voltage C value and the distance D value of hi-line according to its corresponding relation CPU, when the distance D value is less than or equal to safe distance E value, the maintenance personal is in the hole, and when distance D value during greater than safe distance E value, the maintenance personal is in a safe condition.
Step 3, described loudspeaker and described display unit are reported respectively and are shown related data.Described sound circuit receive from the magnitude of voltage of CPU and safe distance, distance value, security activity data area, and carry out voice broadcast by the loudspeaker of its output terminal, note from acoustically reminding the power equipment maintaining personnel; Described display unit is a LCDs, receives magnitude of voltage and range data and demonstration thereon from CPU, notes from visually reminding the power equipment maintaining personnel.Described LCDs has backlight, when night, light was darker, also can by LCDs be clear that magnitude of voltage and safe distance, distance value and security activity range data, convenient for maintaining personnel operation at night.When described antenna element is sensed industrial-frequency alternating current, the maintenance personal by vision and the sense of hearing obtain easily the magnitude of voltage of hi-line on every side and safe distance, distance value and security activity range data, the measurement range of described intelligent voltage warning device magnitude of voltage is 220 volts～500,000 volts.
Described intelligent voltage warning device also comprises and also comprises self-test switch and a crystal oscillator, link to each other with described CPU, after pressing described self-test switch, whole intelligent voltage warning device is in the self check state: when not having electric field on every side, described intelligent voltage warning device enters dormant state automatically, when industrial-frequency alternating current was sensed in the antenna unit, described intelligent voltage warning device entered the state of alert automatically.The design of self-test switch makes the voltage warning device more intelligent, as long as by the Electric and magnetic fields around switch just can detect in whole maintenance process automatically next time, the Switching Power Supply button has saved a lot of troubles continually.Described crystal oscillator and CPU are electrical connected, so that clocking capability to be provided.Intelligent voltage warning device described in the utility model is rung 30 seconds (as required setup times) continuously after entering the electric field Auto Power On, around reminding the maintenance personal, electric field is arranged, can be on the alert afterwards, described loudspeaker is reported magnitude of voltage and the safe distance of the hi-line of a region every 5 seconds (as required setup times), distance value and security activity range data, the visual cues of described LCDs of while, to make things convenient for the staff in the situation that be inconvenient to see display screen or noisy in can't hear hi-line magnitude of voltage and the safe distance that chimes of doom can be known zone of living in, distance value and security activity range data take corresponding measure to guarantee personal safety in operation.
Although embodiment of the present utility model is open as above, but it is not restricted to listed utilization in instructions and the embodiment, it can be applied to the various fields of the present utility model that are fit to fully, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend of describing.
Claims (7)
1. an intelligent voltage warning device is characterized in that, comprising:
Circuit board comprises sound circuit and CPU, and described sound circuit links to each other with CPU and its output terminal is connected with a loudspeaker;
Antenna element is electrical connected with described CPU, and the electric field that industrial-frequency alternating current produces in the induction high-tension line is also measured its intensity level;
The magnetic-field measurement unit is electrical connected with described CPU, and its intensity level is also measured in the magnetic field that industrial-frequency alternating current produces in the induction high-tension line;
Display unit is electrical connected with described CPU.
2. intelligent voltage warning device as claimed in claim 1, it is characterized in that, also comprise self-test switch, after pressing described self-test switch, whole intelligent voltage warning device is in the self check state: when not having electric field on every side, described intelligent voltage warning device enters dormant state automatically, and when industrial-frequency alternating current was sensed in the antenna unit, described intelligent voltage warning device entered the state of alert automatically.
3. intelligent voltage warning device as claimed in claim 2 is characterized in that, also comprises a crystal oscillator, and itself and CPU are electrical connected, so that clocking capability to be provided.
4. intelligent voltage warning device as claimed in claim 1 is characterized in that, also comprises battery, links to each other with described circuit board, for whole intelligent voltage warning device provides stabilized voltage supply.
5. intelligent voltage warning device as claimed in claim 1 is characterized in that, described magnetic-field measurement unit comprises a magnetic field sensor.
6. intelligent voltage warning device as claimed in claim 1 is characterized in that, described display unit is a LCDs.
7. intelligent voltage warning device as claimed in claim 1 is characterized in that, the measurement range of its magnitude of voltage is 220 volts ~ 500,000 volts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220431280 CN202886455U (en) | 2012-08-28 | 2012-08-28 | Intelligent voltage warning instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220431280 CN202886455U (en) | 2012-08-28 | 2012-08-28 | Intelligent voltage warning instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202886455U true CN202886455U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220431280 Expired - Fee Related CN202886455U (en) | 2012-08-28 | 2012-08-28 | Intelligent voltage warning instrument |
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| Country | Link |
|---|---|
| CN (1) | CN202886455U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818926A (en) * | 2012-08-28 | 2012-12-12 | 苏州正华电子电器成套设备厂 | Intelligent voltage warning instrument |
| CN109633375A (en) * | 2018-12-21 | 2019-04-16 | 云南电网有限责任公司电力科学研究院 | A kind of power distribution network safe distance recognition methods and device |
-
2012
- 2012-08-28 CN CN 201220431280 patent/CN202886455U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818926A (en) * | 2012-08-28 | 2012-12-12 | 苏州正华电子电器成套设备厂 | Intelligent voltage warning instrument |
| CN102818926B (en) * | 2012-08-28 | 2015-11-25 | 王奎 | A kind of intelligent voltage warning device |
| CN109633375A (en) * | 2018-12-21 | 2019-04-16 | 云南电网有限责任公司电力科学研究院 | A kind of power distribution network safe distance recognition methods and 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: 20130417 Termination date: 20140828 |
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| EXPY | Termination of patent right or utility model |