CN213070021U - Portable live wire distance induction early warning device - Google Patents
Portable live wire distance induction early warning device Download PDFInfo
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- CN213070021U CN213070021U CN202021795085.4U CN202021795085U CN213070021U CN 213070021 U CN213070021 U CN 213070021U CN 202021795085 U CN202021795085 U CN 202021795085U CN 213070021 U CN213070021 U CN 213070021U
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Abstract
The utility model discloses a portable electrified wire is apart from response early warning device, including high-pressure nearly electric anti-touch detection terminal and intelligent early warning host computer, high-pressure nearly electric anti-touch detection terminal includes waterproof box, high-pressure induction circuit, wireless transmitting circuit, and high-pressure induction circuit is connected with the response antenna that stretches out from waterproof box, and wireless transmitting circuit is connected with the communication antenna that stretches out from waterproof box, and high-pressure induction circuit is used for responding to the high pressure more than 220V, and wireless transmitting circuit sends wireless early warning signal to intelligent early warning host computer after high-pressure induction circuit senses the high pressure; the intelligent early warning host computer is equipped with wireless receiving circuit and alarm, and wireless receiving circuit is used for receiving the early warning signal that wireless transmitting circuit sent, and after receiving the early warning signal, sends the early warning by the alarm. The utility model discloses timely early warning when high altitude construction equipment is close electrified wire ensures the safe distance of engineering operation personnel and vehicle.
Description
Technical Field
The utility model belongs to the technical field of electric power system, concretely relates to electric power safety protection technique.
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.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a portable electrified wire is apart from responding to early warning device is provided, timely early warning when high altitude construction equipment is close to electrified wire.
In order to solve the technical problem, the utility model adopts the following technical scheme: portable electrified wire is apart from response early warning 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 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 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, and a plurality of strong magnets are arranged on the main fixing plate and the auxiliary fixing plates;
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.
The above technical scheme is adopted in the utility model, be close to high tension transmission line position at high altitude construction equipment, for example on the crane arm, prevent touching detection terminal through the nearly electric of fixed knot structure installation high pressure to set up intelligent early warning host computer at the distal end, when high altitude construction equipment is close electrified wire, high pressure is nearly electric to prevent touching detection terminal and is sent 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, similar warning sounds such as 'high-voltage danger, do not need to be close to' are sent out, the crane arm is prompted to be close to the high-voltage line, and the safety distance of engineering operation personnel and vehicles 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 specific technical solution and the advantages of the present invention will be described in detail in the following embodiments.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments:
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 solution of the present invention will be described clearly and completely with reference to the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 and 2, a portable electrified conducting wire distance sensing early warning device is mainly used for early warning an aerial work vehicle (equipment) for detecting construction under an aerial line, and comprises:
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 utility model discloses the nearly electric of well high pressure is prevented touching detection terminal and is only to the voltage early warning of power frequency 50HZ-60HZ more than 220V, not to direct current, high frequency, static early warning, and the circuit passes through digital filter anti-interference, reliable and stable.
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 utility model has the advantages of as follows:
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.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the above specific embodiments. 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 (5)
1. Portable electrified wire is apart from response early warning 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 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 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, and a plurality of strong magnets are arranged on the main fixing plate and the auxiliary fixing plates;
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 portable live wire distance sensing and early warning device of claim 1, wherein: the alarm is provided with a sound alarm module and a light alarm module.
3. The portable live wire distance sensing and early warning device of 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 portable live wire distance sensing and early warning device of claim 1, wherein: the waterproof box is connected with a power interface and a standby battery interface, and aviation plugs are adopted.
5. The portable live wire distance sensing and early warning device of 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021795085.4U CN213070021U (en) | 2020-08-25 | 2020-08-25 | Portable live wire distance induction early warning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021795085.4U CN213070021U (en) | 2020-08-25 | 2020-08-25 | Portable live wire distance induction early warning device |
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| CN213070021U true CN213070021U (en) | 2021-04-27 |
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| CN202021795085.4U Active CN213070021U (en) | 2020-08-25 | 2020-08-25 | Portable live wire distance induction early warning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114005243A (en) * | 2021-10-22 | 2022-02-01 | 广东电网有限责任公司 | Alarm system and device for preventing touch on power transmission line |
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- 2020-08-25 CN CN202021795085.4U patent/CN213070021U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114005243A (en) * | 2021-10-22 | 2022-02-01 | 广东电网有限责任公司 | Alarm system and device for preventing touch on power transmission line |
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