CN212391530U - Remote-measuring high-voltage electroscope - Google Patents
Remote-measuring high-voltage electroscope Download PDFInfo
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- CN212391530U CN212391530U CN202020362990.4U CN202020362990U CN212391530U CN 212391530 U CN212391530 U CN 212391530U CN 202020362990 U CN202020362990 U CN 202020362990U CN 212391530 U CN212391530 U CN 212391530U
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Abstract
The utility model provides a telemetering type high-voltage electroscope device, which comprises a power switch, a power supply, a voltage detection circuit and a voltage detection circuit, wherein the power switch is connected with a direct-current power supply and is used for controlling the opening or closing of the direct-current power supply; the direct current power supply is used for supplying power to each module in the telemetering type high-voltage electroscope; the electric field receiving and detecting module is used for detecting whether an electric field exists in the air by utilizing the principle of an induction electric field and sending an electric field signal to the electric field frequency selection module; the electric field frequency selection module is connected with the electric field receiving detection module and used for carrying out frequency selection according to electric field parameters and automatically triggering the alarm module when the electric field is detected to be within a preset range; and the alarm module is connected with the electric field frequency selection module and used for sending out light and/or voice alarm information under the triggering of the electric field frequency selection module.
Description
Technical Field
The utility model belongs to the technical field of the electrical technology and specifically relates to a telemetering type high voltage electroscope device is related to.
Background
According to the 4.3.3 regulation in the revision of national grid company electric safety work regulation in 2013 in 6 months, indirect electricity testing can be performed on equipment which cannot be directly tested or outdoor operation in rainy and snowy weather, namely whether the equipment or a line is electrified or not is judged through the change of various signals such as remote measurement, remote signaling and the like. However, no technical scheme for telemetering and high-voltage electricity testing exists at present.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a telemetering measurement type high-voltage electroscope device, this telemetering measurement type high-voltage electroscope device can remote telemetering measurement carry out the high-voltage electricity of testing.
The utility model provides a telemetering measurement type high-voltage electroscope device, include:
the power switch is connected with the direct-current power supply and used for controlling the on/off of the direct-current power supply;
the direct current power supply is used for supplying power to each module in the telemetering type high-voltage electroscope;
the electric field receiving and detecting module is used for detecting whether an electric field exists in the air by utilizing the principle of an induction electric field and sending an electric field signal to the electric field frequency selection module;
the electric field frequency selection module is connected with the electric field receiving detection module and used for carrying out frequency selection according to electric field parameters and automatically triggering the alarm module when the electric field is detected to be within a preset range;
and the alarm module is connected with the electric field frequency selection module and used for sending out light and/or voice alarm information under the triggering of the electric field frequency selection module.
To sum up, the utility model discloses telemetering measurement type electroscope job stabilization is reliable, and telemetering measurement distance is far away, is greater than the safe distance more than 20% of each voltage class of DL, T740-2014 standard regulation, uses safelyr.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a telemetering type high-voltage electroscope according to an embodiment of the present invention;
fig. 2 is a detailed circuit schematic diagram of the telemetry high voltage electroscope of the present invention;
fig. 3 is a schematic diagram of a functional module according to an embodiment of the present invention;
fig. 4 is a usage scenario schematic diagram of telemetry type high voltage electroscope of the embodiment of the present invention.
Description of reference numerals:
10: a power switch; 11: a direct current power supply; 12: an electric field receiving and detecting module; 13: an electric field frequency selection module; 14: and an alarm module.
Detailed Description
The utility model provides a telemetering type high pressure electroscope, include the specification that corresponds with 0.4K, 10KV, 35KV, 66KV, 110KV, 220KV, 330KV, 500KV, 750KV 9 voltage levels, the utility model discloses an electroscope need not contact electrified circuit and equipment, utilizes there is the electric field principle around the electric conductor, and the electroscope has receiving antenna, senses the frequency selection behind the electric field, detects that electroscope can report to the police immediately (light, and pronunciation) when electric field frequency is 50HZ (plus-minus 5%), because of there is the frequency selection function, so anti-interference is good, can not the wrong report to police to direct current signal and other interfering signal.
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
According to the utility model discloses according to the embodiment provides a telemetering measurement type high-voltage electroscope, and fig. 1 is the utility model discloses telemetering measurement type high-voltage electroscope's schematic diagram, as shown in fig. 1, this telemetering measurement type high-voltage electroscope specifically includes:
the power switch 10 is connected with the direct current power supply 11 and is used for controlling the on or off of the direct current power supply 11;
the direct current power supply 11 is used for supplying power to each module in the telemetering type high-voltage electroscope; the dc power supply 11 includes: multiple alkaline batteries connected in series.
The electric field receiving and detecting module 12 is used for detecting whether an electric field exists in the air by utilizing the principle of an induction electric field and sending an electric field signal to the electric field frequency selecting module 13;
fig. 2 is a detailed circuit schematic diagram of the telemetry high voltage electroscope of the present invention, as shown in fig. 2,
the electric field reception detection module 12 includes: a control module (not shown in the figure), an antenna (i.e., a receiving antenna in the figure), and a field effect transistor (GDS), wherein,
the control module is connected with the antenna and the field effect triode and is used for controlling the strength of an electric field signal received by the antenna through the connection of a switch (K-1) and two capacitors (C2 and C3); the antenna is used for detecting an electric field and sending a detected electric field signal to the field effect triode; and the field effect triode is used for amplifying the electric field signal and sending the electric field signal to the electric field frequency selection module 13.
The electric field frequency selection module 13 is connected with the electric field receiving detection module 12 and is used for carrying out frequency selection according to electric field parameters and automatically triggering the alarm module 14 when the electric field is detected to be within a preset frequency range; the predetermined range is: 50HZ plus or minus 5%. The electric field frequency selection module 13 is: and a single chip microcomputer.
And the alarm module 14 is connected with the electric field frequency selection module 13 and is used for sending out light and/or voice alarm information under the triggering of the electric field frequency selection module 13. Specifically, the alarm module comprises a work indicator light, an alarm indicator light, an under-voltage indicator light and a voice alarm.
Fig. 3 is a schematic diagram of a functional module according to an embodiment of the present invention, as shown in fig. 3, in an embodiment of the present invention, the telemetering type high-voltage electroscope further includes:
and the undervoltage detection module is connected with the direct current power supply 11 module and is used for detecting whether the direct current power supply 11 is undervoltage or not and prompting a user through an indicator lamp when detecting that the voltage of the direct current power supply 11 is lower than a preset voltage value.
And an automatic shutdown module (not shown in the figure) for automatically shutting down the telemetric high-voltage electroscope after a predetermined time of startup.
And the system self-checking module is used for carrying out system self-checking after the telemetering type high-voltage electroscope is started and prompting a user after the self-checking is qualified.
In an embodiment of the present invention, the telemetering type high voltage electroscope includes: the specifications respectively corresponding to nine voltage grades of 0.4KV, 10KV, 35KV, 66KV, 110KV, 220KV, 330KV, 500KV and 750KV of the national power grid comprise all voltage grades of the national power grid.
According to the above technical scheme, the utility model discloses an electroscope has receiving antenna, utilizes the induction field principle, whether has the electric field in detecting the air by high sensitivity field effect triode, carries out the frequency selection by singlechip chip again, if detect the electric field be 50HZ (plus-minus 5%) singlechip auto-triggering voice circuit and send the warning, have light to flash simultaneously. If the frequency of the electric field is not in the range, the electroscope cannot give an alarm, and the anti-interference performance is good.
The utility model discloses an in an embodiment, provide a non-contact type telemetering measurement high voltage electroscope that is suitable for the whole voltage class of national grid, have response and receive electric field and frequency selection function, have fine interference killing feature, by 3 alkali battery numbers 7 of festival, the circuit is equipped with the detection whether has alternating current electric field in the air, has the frequency calculation frequency selection to the electric field, when the electric field frequency is 50HZ (plus-minus 5%), the automatic alarm system that triggers.
Fig. 4 is the utility model discloses telemetering measurement type high-voltage electroscope's use scene sketch map, as shown in fig. 4, when testing electricity, stir switch to the start position, the circuit carries out automatic internal inspection, and the system sends "equipment is intact, please use with ease" suggestion normally. The antenna of the electroscope is pulled out, the user holds the antenna by hand, and if the circuit has an electric electroscope, the user gives an alarm of 'please notice, the circuit has electricity' and the light shines. When the electricity is tested, the distance between the electric pole and the iron tower is larger than the height of the electric pole and the iron tower, so that the electric field in the air is prevented from being shielded by short circuit. After the battery is used, the battery is shut down, and the service life of the battery is prolonged.
To sum up, the utility model discloses telemetering measurement type electroscope job stabilization is reliable, and telemetering measurement distance is far away, is greater than the safe distance more than 20% of each voltage class of DL, T740-2014 standard regulation, uses safelyr.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. A telemetric high-voltage electroscope, comprising:
the power switch is connected with the direct-current power supply and used for controlling the opening or closing of the direct-current power supply;
the direct current power supply is used for supplying power to each module in the telemetering type high-voltage electroscope;
the electric field receiving and detecting module is used for detecting whether an electric field exists in the air by utilizing the principle of an induction electric field and sending an electric field signal to the electric field frequency selection module;
the electric field frequency selection module is connected with the electric field receiving and detecting module and used for carrying out frequency selection according to electric field parameters and automatically triggering the alarm module when the electric field is detected to be in a frequency within a preset range;
and the alarm module is connected with the electric field frequency selection module and is used for sending out light and/or voice alarm information under the triggering of the electric field frequency selection module.
2. A telemetry-type high voltage electroscope as claimed in claim 1, wherein the electric field reception detection module comprises:
the control module is connected with the antenna and the field effect triode and is used for controlling the strength of an electric field signal received by the antenna through the connection of a switch and two capacitors with different capacities;
the antenna is used for detecting an electric field and sending a detected electric field signal to the field effect triode;
and the field effect triode is used for amplifying the electric field signal and sending the electric field signal to the electric field frequency selection module.
3. A telemetric high-voltage electroscope according to claim 1, wherein the dc power supply comprises: multiple alkaline batteries connected in series.
4. A telemetry high voltage electroscope as claimed in claim 1, further comprising:
and the under-voltage detection module is connected with the direct-current power supply module and used for detecting whether the direct-current power supply is under-voltage or not and prompting a user through an indicator lamp when detecting that the voltage of the direct-current power supply is lower than a preset voltage value.
5. A telemetry high voltage electroscope as claimed in claim 1, further comprising:
and the automatic shutdown module is used for automatically shutting down the telemetering type high-voltage electroscope after the telemetering type high-voltage electroscope is started for preset time.
6. A telemetry high voltage electroscope as claimed in claim 1, further comprising:
and the system self-checking module is used for carrying out system self-checking after the telemetering type high-voltage electroscope is started and prompting a user after the self-checking is qualified.
7. A telemetric high-voltage electroscope according to claim 1, wherein the predetermined range is: 50HZ plus or minus 5%.
8. A telemetric high voltage electroscope according to claim 1, comprising: and the specifications are respectively corresponding to nine voltage grades of 0.4KV, 10KV, 35KV, 66KV, 110KV, 220KV, 330KV, 500KV and 750KV of the national power grid.
9. A telemetry high voltage electroscope as claimed in claim 1, wherein the electric field frequency-selective module is: and a single chip microcomputer.
Priority Applications (1)
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CN202020362990.4U CN212391530U (en) | 2020-03-20 | 2020-03-20 | Remote-measuring high-voltage electroscope |
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CN202020362990.4U CN212391530U (en) | 2020-03-20 | 2020-03-20 | Remote-measuring high-voltage electroscope |
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