CN112233384A - Auxiliary control and prevention device for power transmission line dangerous point site - Google Patents
Auxiliary control and prevention device for power transmission line dangerous point site Download PDFInfo
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- CN112233384A CN112233384A CN202010869066.XA CN202010869066A CN112233384A CN 112233384 A CN112233384 A CN 112233384A CN 202010869066 A CN202010869066 A CN 202010869066A CN 112233384 A CN112233384 A CN 112233384A
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- waterproof box
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Emergency Alarm Devices (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention discloses a power transmission line dangerous point site auxiliary management and control technical and prevention device, which comprises: high-voltage nearly electric touch detection terminal of preventing: the high-voltage near-electricity touch-prevention detection terminal comprises a waterproof box, a high-voltage induction circuit and a wireless sending circuit, wherein the high-voltage induction circuit and the wireless sending circuit are installed in the waterproof box, the high-voltage induction circuit is connected with an induction antenna extending out of the waterproof box, the wireless sending circuit is connected with a communication antenna extending out of the waterproof box, the high-voltage induction circuit is used for inducing high voltage of more than 220V, and the wireless sending circuit sends a wireless early warning signal to an intelligent early warning host machine after the high-voltage induction circuit induces the high voltage; the intelligent early warning host computer: the intelligent early warning host is provided with a wireless receiving circuit and an alarm, wherein the wireless receiving circuit is used for receiving an early warning signal sent by the wireless sending circuit, and the alarm sends out early warning after receiving the early warning signal. The invention can give an early warning in time when the overhead working equipment approaches the live wire, thereby ensuring the safe distance between engineering operators and vehicles.
Description
Technical Field
The invention belongs to the technical field of power systems, and particularly relates to a power safety protection technology.
Background
At present, various large machines (such as cranes) in a power transmission line protection area are frequently constructed. Because the distribution of high-voltage transmission lines is wider, various large-scale machines inevitably need to carry out hoisting operation under the high-voltage transmission lines, and when the crane is hoisted, a driver is difficult to judge the distance between a crane arm and the high-voltage line according to accurate visual inspection of naked eyes, so that electric shock casualties and large-area power failure accidents are easily caused.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a field auxiliary control and prevention device for a dangerous point of a power transmission line, which can give an early warning in time when high-altitude operation equipment approaches a live wire.
In order to solve the technical problems, the invention adopts the following technical scheme: transmission line danger point scene assists management and control technical defence device includes:
high-voltage nearly electric touch detection terminal of preventing: the high-voltage near-electricity touch-prevention detection terminal comprises a waterproof box, a high-voltage induction circuit and a wireless sending circuit, wherein the high-voltage induction circuit and the wireless sending circuit are installed in the waterproof box, the high-voltage induction circuit is connected with an induction antenna extending out of the waterproof box, the wireless sending circuit is connected with a communication antenna extending out of the waterproof box, the high-voltage induction circuit is used for inducing high voltage of more than 220V, and the wireless sending circuit sends a wireless early warning signal to an intelligent early warning host machine after the high-voltage induction circuit induces the high voltage;
the intelligent early warning host computer: the intelligent early warning host is provided with a wireless receiving circuit and an alarm, wherein the wireless receiving circuit is used for receiving an early warning signal sent by the wireless sending circuit, and the alarm sends out early warning after receiving the early warning signal.
Preferably, the alarm is provided with a sound alarm module and a light alarm module.
Preferably, the data is transmitted between the wireless transmitting circuit and the wireless receiving circuit in a 2.4G wireless mode.
Preferably, the waterproof box is connected with a power interface and a standby battery interface, and aviation plugs are adopted.
Preferably, waterproof rubber rings are arranged between the induction antenna and the waterproof box and between the communication antenna and the waterproof box.
Preferably, the high-voltage induction circuit carries out front-end analysis processing on a monitoring signal sensed by the induction antenna, takes out a 50HZ power frequency signal, eliminates an interference signal through digital filtering, analyzes the signal intensity, and sends out a wireless early warning signal through the wireless sending circuit when the signal intensity reaches an alarm preset value.
Preferably, an alarm preset value is set according to the voltage of the live conductor, and three working conditions are set for the same voltage and respectively correspond to three sequentially reduced sensitivities.
By adopting the technical scheme, the high-voltage near-electric anti-touch detection terminal is arranged on the part of the high-altitude operation equipment close to the high-voltage power transmission line, such as a crane arm, through the fixing structure, the intelligent early warning host is arranged at the far end, and when the high-altitude operation equipment is close to a live wire, the high-voltage near-electric anti-touch detection terminal sends a wireless early warning signal to the intelligent early warning host and the alarm gives an early warning. Therefore, the following beneficial effects are achieved:
the distance between the constructed aerial working equipment and the live wire is sensed in real time, sound and light alarm is realized based on distance change, the safety distance between various large machines and the live bare wire is accurately controlled, the productivity is liberated, and the problems of insufficient operation and maintenance personnel of the power transmission line and the like are solved.
After the high-voltage near-electricity touch-prevention detection unit detects a high-voltage signal, the intelligent early warning host computer is sent with the signal through the 2.4G wireless network, the host computer is started to give an alarm, and the high-voltage danger is sent out, and the warning sound is not close to, so that the crane arm is prompted to be close to the high-voltage line, and the safety distance between engineering operation personnel and a vehicle is ensured.
The following detailed description will explain the present invention and its advantages.
Drawings
The invention is further described with reference to the accompanying drawings and the detailed description below:
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic view of a fixing structure of the high-voltage near-electric touch-prevention detection terminal.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, the auxiliary control and protection device for the power transmission line dangerous point site is mainly used for early warning of an aerial work vehicle (equipment) for detecting construction under an overhead line, and includes:
high-voltage nearly electric touch detection terminal 1: the high-voltage near-electricity touch-prevention detection terminal comprises a waterproof box, a high-voltage induction circuit and a wireless sending circuit, wherein the high-voltage induction circuit and the wireless sending circuit are installed in the waterproof box, the high-voltage induction circuit is connected with an induction antenna 18 extending out of the waterproof box, the wireless sending circuit is connected with a communication antenna 17 extending out of the waterproof box, the high-voltage induction circuit is used for inducing high voltage of more than 220V, and the wireless sending circuit sends a wireless early warning signal to an intelligent early warning host machine after the high-voltage induction circuit induces the high voltage;
the fixing structure comprises: the high-voltage near-electric anti-touch detection terminal is used for being mounted on high-altitude operation equipment, the fixing structure comprises a main fixing plate 12 arranged at the bottom of the waterproof box and auxiliary fixing plate assemblies which are hinged to the front side and the rear side of the main fixing plate and formed by sequentially hinging and combining at least two auxiliary fixing plates 14, and a plurality of strong magnets 13 are arranged on the main fixing plate 12 and the auxiliary fixing plates 13;
the intelligent early warning host computer: the intelligent early warning host is provided with a wireless receiving circuit and an alarm, wherein the wireless receiving circuit is used for receiving an early warning signal sent by the wireless sending circuit, and the alarm sends out early warning after receiving the early warning signal.
The high-altitude operation equipment is close to high tension transmission line position, for example on the crane boom, through the nearly electric touch detection terminal of fixed knot structure installation high pressure to set up intelligent early warning host computer at the distal end, when high-altitude operation equipment is close to electrified wire, high-pressure nearly electric touch detection terminal sends wireless early warning signal to intelligent early warning host computer, sends the early warning by the alarm. Therefore, the following beneficial effects are achieved:
the distance between the constructed aerial working equipment and the live wire is sensed in real time, sound and light alarm is realized based on distance change, the safety distance between various large machines and the live bare wire is accurately controlled, the productivity is liberated, and the problems of insufficient operation and maintenance personnel of the power transmission line and the like are solved.
After the high-voltage near-electricity touch-prevention detection unit detects a high-voltage signal, the intelligent early warning host computer is sent with the signal through the 2.4G wireless network, the host computer is started to give an alarm, and the high-voltage danger is sent out, and the warning sound is not close to, so that the crane arm is prompted to be close to the high-voltage line, and the safety distance between engineering operation personnel and a vehicle is ensured.
High-voltage nearly electric anti-touch detection terminal adopts strong magnet to adsorb to be fixed in high altitude construction equipment, for example the crane boom, and in order to adapt to different high altitude construction equipment, to having the surface of anomalous shape, be difficult to adsorb fixed problem, fixed knot constructs and the combination of vice fixed plate subassembly on adopting the main fixed plate, and vice fixed plate subassembly can warp through the hinge again to guarantee sufficient absorption area of contact, guarantee adsorption strength.
The alarm is provided with a sound alarm module and a light alarm module, and can remind constructors in an all-round mode.
And data is transmitted between the wireless transmitting circuit and the wireless receiving circuit in a 2.4G wireless mode. The data communication transmission distance can reach more than 200 meters under the barrier-free condition, and the requirement of on-site distance can be met.
Further, the waterproof box is connected with a power interface 15 and a standby battery interface 16. Local power (12V-24V) and battery power can be used, wherein the battery power is not required to be installed when the local power can be normally supplied.
In order to ensure the waterproof performance, the power supply interface 15 and the backup battery interface 16 both adopt aviation plugs. And waterproof rubber rings are arranged between the induction antenna and the waterproof box and between the communication antenna and the waterproof box.
The working principle is as follows: the high-voltage induction circuit carries out front-end analysis processing on a monitoring signal sensed by the induction antenna, takes out a 50HZ power frequency signal, eliminates an interference signal through digital filtering, analyzes the signal intensity (power frequency electric field intensity, and the specific circuit and principle refer to the prior art), sends out a wireless alarm signal to the intelligent early warning host when reaching an alarm preset value, and the intelligent early warning host gives an alarm after receiving the signal to prompt that user equipment is close to strong current and please pay attention to danger. The high-voltage near-electric anti-touch detection terminal only performs early warning on the voltage of power frequency 50HZ-60HZ above 220V, does not perform early warning on direct current, high frequency and static electricity, and is stable and reliable because a circuit resists interference through digital filtering.
Because the alarm distance and the voltage have a certain functional relation, the higher the voltage is, the higher the power frequency electric field intensity generated at a certain point in space is, the higher the voltage is, the corresponding alarm distance is set by setting the voltage and adopting different processing networks in the voltage and the inside, the alarm distance meets the regulations of national grid electric power safety work regulations (line part), and the angle, the direction, the shielding object existence and the like of the antenna are noticed during installation. Because the power frequency electric field intensity around the transmission line is related to the operating voltage of the line, line parameters (including the diameter of a lead, the number of split leads and the split spacing) and a tower-shaped structure, when the multi-loop transmission line is erected on the same tower or in parallel, the power frequency electric field intensity around the transmission line is also related to the phase sequence arrangement of the multi-loop transmission line, under the condition of no change of other conditions, the power frequency electric field intensity and the distance have a certain functional relationship, although the actual situation of the site is more complex, but the work vehicle is borderline and for the lowest line, the situation can be simplified again, in fact through testing of various environments on site, three working condition conditions are set for the same voltage and are used for simulating different types of field conditions, the three conditions respectively correspond to three sensitivities of 3, 2 and 1, the device is used for selecting different types of environments with the same voltage, and the distance and the sensitivity of the alarm distance such as (35KV) under the same voltage can be adjusted according to requirements. The voltage detected by the device can be set through a human-computer interface of the receiving end according to the requirement.
The currently supported voltage grade is 10KV, more than or equal to 35KV and boundary alarm, the 10KV gear supports 10KV with three sensitivities which can be selected, wherein the sensitivity of the 10KV sensitivity 1 mode is highest, the 10KV gear can be used for detecting whether an electric field exists around or not and can also be used for 220V testing, more than or equal to 35KV gear is used for supporting three voltages of 35KV, 110KV and 220KV, the boundary alarm supports any voltage between 220V and 500KV, such as the common 220V, 10KV, 27.5KV, 35KV, 110KV, 220KV, 330KV and 500KV, and the boundary alarm can be used for lines and transformer substations and has wider application range.
The boundary alarm is used for supporting a mode of self-defining an alarm distance, if the distance of the supported voltage class cannot meet the requirement, the alarm distance can be set by self, the operation is simple and convenient, the detection point can be moved to a proper distance from a live wire under the visual condition, at the moment, the operation is strictly needed according to the operation rules, the safe distance refers to the safe distance in national grid power safety working rules (line part), a 'setting' key is pressed, the current point is set as the alarm boundary after automatic and manual fine adjustment, and after the setting is completed, when the detection end is far away and then approaches the alarm boundary again, the receiving end can give an alarm to prompt the operation danger.
The invention has the following advantages:
1. the device is simple and portable, and the line patrol personnel can be taken as a personal instrument;
2. the device can be adsorbed at the top end of the crane and the position of the middle suspension arm, and the normal hoisting operation of the crane is not influenced;
3. the supported voltage grade is 10KV-500KV, and the method is suitable for construction environments with different voltage grades;
4. the mounting means divide into fixed mounting and installs two kinds temporarily, and fixed mounting can adopt the bolt fastening, because different machinery front end shape area is different, and the temporary installation is fixed through the magnet adsorption, the early warning device's of being convenient for dismantlement.
5. The device has an expansion interface, and is convenient for expanding output of alarm signals and integrating other systems.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in other forms without departing from the spirit or essential characteristics thereof. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (7)
1. Transmission line dangerous spot scene assists management and control technique and prevents device, its characterized in that: the method comprises the following steps:
high-voltage nearly electric touch detection terminal of preventing: the high-voltage near-electricity touch-prevention detection terminal comprises a waterproof box, a high-voltage induction circuit and a wireless sending circuit, wherein the high-voltage induction circuit and the wireless sending circuit are installed in the waterproof box, the high-voltage induction circuit is connected with an induction antenna extending out of the waterproof box, the wireless sending circuit is connected with a communication antenna extending out of the waterproof box, the high-voltage induction circuit is used for inducing high voltage of more than 220V, and the wireless sending circuit sends a wireless early warning signal to an intelligent early warning host machine after the high-voltage induction circuit induces the high voltage;
the intelligent early warning host computer: the intelligent early warning host is provided with a wireless receiving circuit and an alarm, wherein the wireless receiving circuit is used for receiving an early warning signal sent by the wireless sending circuit, and the alarm sends out early warning after receiving the early warning signal.
2. The auxiliary control and protection device for the power transmission line dangerous point site according to claim 1, wherein: the alarm is provided with a sound alarm module and a light alarm module.
3. The auxiliary control and protection device for the power transmission line dangerous point site according to claim 1, wherein: and data is transmitted between the wireless transmitting circuit and the wireless receiving circuit in a 2.4G wireless mode.
4. The auxiliary control and protection device for the power transmission line dangerous point site according to claim 1, wherein: the waterproof box is connected with a power interface and a standby battery interface, and aviation plugs are adopted.
5. The auxiliary control and protection device for the power transmission line dangerous point site according to claim 1, wherein: and waterproof rubber rings are arranged between the induction antenna and the waterproof box and between the communication antenna and the waterproof box.
6. The auxiliary control and protection device for the power transmission line dangerous point site according to any one of claims 1 to 5, wherein: the high-voltage induction circuit carries out front-end analysis processing on monitoring signals sensed by the induction antenna, 50HZ power frequency signals are taken out, interference signals are eliminated through digital filtering, signal strength is analyzed, and when the signal strength reaches an alarm preset value, wireless early warning signals are sent out by the wireless sending circuit.
7. The auxiliary control and protection device for the power transmission line dangerous point site according to claim 6, wherein: an alarm preset value is set according to the voltage of the live conductor, and three working conditions are set for the same voltage and respectively correspond to three sequentially reduced sensitivities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010869066.XA CN112233384A (en) | 2020-08-25 | 2020-08-25 | Auxiliary control and prevention device for power transmission line dangerous point site |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010869066.XA CN112233384A (en) | 2020-08-25 | 2020-08-25 | Auxiliary control and prevention device for power transmission line dangerous point site |
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| CN112233384A true CN112233384A (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010869066.XA Pending CN112233384A (en) | 2020-08-25 | 2020-08-25 | Auxiliary control and prevention device for power transmission line dangerous point site |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202736231U (en) * | 2012-08-03 | 2013-02-13 | 山东电力集团公司日照供电公司 | Novel high voltage on-site construction machinery high voltage line touch-proof alarm device |
| CN104157095A (en) * | 2014-07-31 | 2014-11-19 | 淮阳县电业局 | Wireless electricity-approaching alarm device through induction of electric field and working method |
| CN106291136A (en) * | 2016-07-22 | 2017-01-04 | 广东卓维网络有限公司 | A kind of power frequency electric field detection method and Antistatic alarm |
| CN106504471A (en) * | 2016-10-27 | 2017-03-15 | 南京理工大学 | A kind of nearly electricity early warning system of motor vehicles and machines |
| KR20190049660A (en) * | 2019-04-22 | 2019-05-09 | 한국전력공사 | Non power source type illumination operating method |
| CN110610584A (en) * | 2019-08-26 | 2019-12-24 | 国网山东省电力公司德州供电公司 | Safety auxiliary management and control system based on maintenance operation site and use method thereof |
-
2020
- 2020-08-25 CN CN202010869066.XA patent/CN112233384A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202736231U (en) * | 2012-08-03 | 2013-02-13 | 山东电力集团公司日照供电公司 | Novel high voltage on-site construction machinery high voltage line touch-proof alarm device |
| CN104157095A (en) * | 2014-07-31 | 2014-11-19 | 淮阳县电业局 | Wireless electricity-approaching alarm device through induction of electric field and working method |
| CN106291136A (en) * | 2016-07-22 | 2017-01-04 | 广东卓维网络有限公司 | A kind of power frequency electric field detection method and Antistatic alarm |
| CN106504471A (en) * | 2016-10-27 | 2017-03-15 | 南京理工大学 | A kind of nearly electricity early warning system of motor vehicles and machines |
| KR20190049660A (en) * | 2019-04-22 | 2019-05-09 | 한국전력공사 | Non power source type illumination operating method |
| CN110610584A (en) * | 2019-08-26 | 2019-12-24 | 国网山东省电力公司德州供电公司 | Safety auxiliary management and control system based on maintenance operation site and use method thereof |
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Application publication date: 20210115 |