CN218918225U

CN218918225U - Voltage discrimination type near-electricity alarm

Info

Publication number: CN218918225U
Application number: CN202222864495.5U
Authority: CN
Inventors: 都基宽; 吕寿竹; 高影鸿; 姚志远; 张异殊; 赵施路; 唐正; 陈博扬; 于笑辰; 杨晨辉
Original assignee: State Grid Corp of China SGCC; State Grid Liaoning Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; State Grid Liaoning Electric Power Co Ltd
Priority date: 2022-10-29
Filing date: 2022-10-29
Publication date: 2023-04-25
Anticipated expiration: 2032-10-29

Abstract

The utility model provides a voltage discrimination type near-electricity alarm which comprises an alarm device shell, wherein a built-in circuit board is arranged in the alarm device shell, the alarm device shell is arranged on the back surface of a safety helmet main body, the built-in circuit board and a related detection device are arranged in the alarm device shell, the distance between an operator and a live body can be measured besides the voltage intensity of the operation site, the operator can be better protected by monitoring the movement condition of the operator and the physical sign parameters of the operator, and meanwhile, the data such as the field voltage condition of the operator and the personal physical condition of the operator are transmitted to a security personnel through a wireless communication technology, so that the security personnel can better master the actual condition of the operation site.

Description

Voltage discrimination type near-electricity alarm

Technical Field

The utility model relates to the technical field of power alarms, in particular to a voltage discrimination type near-electricity alarm.

Background

The electric power safety regulations provide a great deal of safety measures for preventing electric shock in electric power operation, but the safety consciousness of operators is insufficient, and the operators do not know the situations of live parts, safety distances and the like in detail before working, so that electric power shock accidents occur.

The near-electricity early warning device is used as a common non-contact electroscope and has been widely applied to electric power overhaul sites. When the equipment is in a charged state, the near-electricity early warning device can send out a prompt signal when an operator passes over a safe distance so as to remind the operator to withdraw to a safe area. The research of the near electricity warning device at home and abroad starts from the 80 s of the last century, and the main idea is to utilize an electromagnetic field in a spherical or antenna type electrode induction space, filter and amplify the potential difference which is generated at two ends of an electrode conductor according to the Hall effect, confirm that the potential difference is obtained by excitation of a power frequency electric field, and then drive an audible and visual alarm system to give an alarm to prompt that the power frequency electric field exists around the device.

At present, the principle and the technology of the near-electricity early warning device based on non-contact electricity inspection are relatively mature, but some defects still exist, and the improvement of the safety management level is more remarkable in real-time requirements and functional diversity requirements of the near-electricity early warning device, so that the near-electricity early warning device which can be monitored in real time, is light and portable and is rich in functions is developed, and has important significance for the safety guarantee of operators.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a voltage discrimination type near-electricity alarm.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a near-electricity alarm of voltage discrimination formula, includes the alarm device shell, the inside of alarm device shell is provided with built-in circuit board, the surface of built-in circuit board is provided with voltage inductor, motion detector, human sign detector, data follower, data processor, memory chip, main control unit, power supply, man-machine interaction ware, alarm, wireless communication antenna and rangefinder, one side of rangefinder is provided with control button.

Preferably, the front side of the alarm device shell is provided with a safety helmet main body, the front side of the safety helmet main body is provided with goggles, and the goggles are movably connected with the safety helmet main body.

Preferably, a fixing belt is arranged at the bottom of the safety helmet main body, and two ends of the fixing belt are connected with two sides of the safety helmet main body.

Preferably, a through hole with the width of 1cm and the length of 3cm is formed in the side face of the alarm device shell, and the sensing part of the distance measuring device extends out of the through hole.

Preferably, the power supply comprises a 9AH lead-acid battery, and the 9AH lead-acid battery is disposed inside the alarm device housing.

Preferably, the power supply is electrically connected with the voltage sensor, the motion detector, the human body sign detector, the data follower, the data processor, the memory chip, the main controller, the power supply, the man-machine interaction device, the alarm, the wireless communication antenna and the distance measuring device.

Advantageous effects

According to the utility model, the alarm device shell is arranged on the back of the helmet main body, the built-in circuit board and the related detection device are arranged in the alarm device shell, the distance between an operator and an electrified body can be measured besides the voltage intensity of the operation site, the operator is better protected by monitoring the movement condition of the operator and the physical sign parameters of the operator, and meanwhile, the data such as the voltage condition of the operation site and the personal physical condition of the operator are transmitted to the security personnel through the wireless communication technology, so that the security personnel can better master the actual condition of the operation site.

Drawings

FIG. 1 is a schematic diagram of a main structure of a built-in circuit board of the present utility model;

FIG. 2 is a block diagram of a voltage discrimination type near-electricity alarm system;

FIG. 3 is a flow chart of a voltage discrimination type near-electricity alarm implementation;

fig. 4 is a schematic diagram showing the connection of the outer shell of the alarm device and the main body of the helmet.

Legend description:

1. a helmet body; 2. a fixing belt; 3. goggles; 4. an alarm device housing; 5. a voltage sensor; 6. a motion detector; 7. a human body sign detector; 8. a data follower; 9. a data processor; 10. a memory chip; 11. a main controller; 12. a power supply; 13. a human-computer interaction device; 14. an alarm; 15. a wireless communication antenna; 16. a distance measuring device; 17. a built-in circuit board; 18. control buttons.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Specific embodiments of the present utility model are described below with reference to the accompanying drawings.

First embodiment:

referring to fig. 1-4, a voltage discrimination type near-electricity alarm comprises a device housing 4, wherein the alarm housing 4 can be arranged on the back surface of a helmet main body 1 in a manner of wrist strap, magic tape, clip, chain belt and the like, the alarm housing 4 is made of an ABS plastic insulating material, the alarm housing 4 is a hollow cuboid with the length of 6cm and the width of 4cm and the height of 2cm, a built-in circuit board 17 is arranged in the alarm housing 4, a voltage sensor 5, a motion detector 6, a human body sign detector 7, a data follower 8, a data processor 9, a memory chip 10, a main controller 11, a power supply 12, a man-machine interaction device 13, an alarm 14, a wireless communication antenna 15 and a distance measuring device 16 are arranged on the surface of the built-in circuit board 17, and a control button 18 is arranged on one side of the distance measuring device 16.

The front side of alarm device shell 4 is provided with helmet main part 1, the front side of helmet main part 1 is provided with goggles 3, and be swing joint between goggles 3 and the helmet main part 1, the bottom of helmet main part 1 is provided with fixed band 2, and the both ends of fixed band 2 are connected with the both sides of helmet main part 1, alarm device shell 4 accessible wrist strap, the magic tape, the clip, mode such as chain belt is installed on the back of operating personnel helmet main part 1, on the work clothes, also can directly carry the operation of independent device by the operating personnel, the through-hole that is 1cm wide and 3cm long is seted up to the side of alarm device shell 4, the inductive part of range unit 16 stretches out outside the through-hole, power supply 12 includes 9 AH's lead acid battery, and 9 AH's lead acid battery sets up in the inside of alarm device shell 4, power supply 12 and voltage sensor 5, motion detector 6, human body sign detector 7, data follower 8, data processor 9, memory chip 10, master controller 11, power supply 12, man-machine interaction ware 13, alarm 14, be electric connection between wireless communication antenna 15 and the range unit 16.

The 9AH battery is connected with a power supply 12 of a built-in circuit board 17 through a feeder line to supply power to the voltage screening type near-electricity alarm device, wherein the voltage sensor 5 in the voltage sensor 5 transmits collected voltage data to the data follower 8, the data are input into the data processor 9 after being followed by the data follower 8, the data are transmitted to the main controller 11 after being subjected to filtering, rectifying, amplifying and other processes in the data processor 9, the main controller 11 judges the size of an input signal, and if the input signal exceeds a threshold value set by the main controller 11, the main controller 11 generates an alarm signal and transmits the alarm signal to the alarm 14 for alarm, meanwhile, the main controller 11 transmits the alarm signal to the wireless communication antenna 15, and the alarm signal is transmitted to background monitoring equipment through the wireless communication antenna 15, so that the near-electricity alarm function is realized; if the input signal is less than the threshold set by the main controller 11, the main controller 11 does not generate an alarm signal, indicating that the operator is currently in an environment safe.

Specific embodiment II:

referring to fig. 2, the built-in circuit board 17 includes a voltage sensor 5, a motion detector 6, a human body sign detector 7, a data follower 8, a data processor 9, a memory chip 10, a main controller 11, a power supply 12, a man-machine interaction device 13, an alarm 14, a wireless communication antenna 15, and a distance measuring device 16, wherein the output ends of the voltage sensor 5, the motion detector 6, the human body sign detector 7, and the distance measuring device 16 are all connected to the input end of the data follower 8, the output end of the data follower 8 is connected to the input end of the data processor 9, the output end of the data processor 9 is connected to the input end of a module of the main controller 11, the memory chip 10, the man-machine interaction device 13, the alarm 14, and the wireless communication antenna 15 are all connected to the main controller 11, and the power supply 12 uses a 9AH battery to supply the voltage sensor 5, the motion detector 6, the human body sign detector 7, the data follower 8, the data processor 9, the memory chip 10, the main controller 11, the man-machine interaction device 13, the alarm 14, the wireless communication antenna 15, and the distance measuring device 16, and the battery are electrically connected to the module of the alarm circuit board 17.

The operator selects the working state of the measuring module through the man-machine interaction device 13, sets the parameter threshold value, sets the working state of the alarm module, checks time, checks the measuring parameter, resets the alarm 14, and operates the power on/off of the power on/off alarm device, the operator operates the power on/off alarm device through two keys, namely a switching key and a selecting key, the switching key is used for switching functions and voltage levels, and the selecting key is used for confirming options indicated by arrows in the display screen.

The alarm 14 comprises a light alarm device, a buzzer alarm device and a vibration alarm device, an operator can set an operating mode of an alarm module through the man-machine interaction device 13, only one alarm 14 can be selected to work independently, and three alarms 14 can also be selected to work simultaneously so as to enhance the early warning effect, when the alarm 14 receives an alarm signal sent by the main controller 11, the corresponding alarm 14 works, and the wireless communication antenna 15 sends alarm information to an safety supervision staff through a wireless transmission technology after receiving the alarm signal sent by the main controller 11, so that the safety supervision staff commands the field operation condition.

Third embodiment:

referring to fig. 3, in order to better protect personal safety of operators, the voltage discrimination type near-electricity alarm device developed by the patent can monitor the motion condition of operators and the human body sign parameters of operators besides monitoring the voltage intensity of the operation site, once the rest time of the operators reaches a set value, the voltage discrimination type near-electricity alarm device starts an alarm 14 and simultaneously sends an alarm signal to the safety monitoring personnel of the operation site through a wireless communication antenna 15, and the safety monitoring personnel further confirms the safety condition of the operators on site; the data collected by the human body sign detector 7 is the heart rate parameter of the operator, because the heart rate parameter is sensitive to temperature change, is easy to measure and takes short time to measure, the heart rate of a normal person is 75 bpm (usually in the range of 60-120 bpm), the limit heart rate of the operator in a hot environment is regulated to 180 bpm, during the labor process, when the heart rate of the operator exceeds the limit heart rate range, the operation should be stopped immediately, the physical function of the operator is prevented from being blocked, the working accident is caused, when the heart rate parameter of the operator needs to be monitored, the voltage discrimination type near-electricity alarm device needs to be worn on the arm of the operator through a wrist strap, when the heart rate of the operator exceeds the threshold set by the main controller 11, the voltage discrimination type near-electricity alarm device starts the alarm 14, and simultaneously, the alarm signal is sent to the safety monitor of the operator on the site through the wireless communication antenna 15, and the safety condition of the operator is further confirmed by the monitor; the distance measuring device 16 measures the distance between the operating personnel and the charged body by emitting laser pulses and receiving return pulse signals reflected by the measured object, the distance measuring device 16 transmits acquired data to the data follower 8, the acquired data are input into the data processor 9 after being followed by the data follower 8, the data are transmitted to the main controller 11 after being subjected to forward bias, filtering, rectification, interference elimination, amplification and other treatments in the data processor 9, the main controller 11 processes radar signals by referring to a cross-correlation function method, the cross-correlation algorithm distance measuring process is to transmit the emitted and echo signals to a correlator for cross-correlation operation, the influence of interference on the signals is favorable to be suppressed, and therefore the distance between the charged body and the operating personnel can be calculated, the operating personnel can be transmitted to an organic interaction module in real time from the charged body distance to the main controller 11, the operating personnel can observe the distance between the charged body and the operating personnel through the organic interaction module, meanwhile, the main controller 11 judges the size of the input signals, if the input signals exceed the threshold value set by the main controller 11, the main controller 11 generates alarm signals and transmits the alarm signals to the main controller 14, and simultaneously transmits the alarm signals to the main controller 11 to the wireless antenna 15 for receiving the alarm signals; if the input signal is less than the threshold set by the main controller 11, the main controller 11 does not generate an alarm signal, indicating that the operator is currently in an environment safe.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a near electric alarm is distinguished to voltage, includes alarm device shell (4), its characterized in that: the intelligent alarm device is characterized in that a built-in circuit board (17) is arranged inside the alarm device shell (4), a voltage sensor (5), a motion detector (6), a human body sign detector (7), a data follower (8), a data processor (9), a memory chip (10), a main controller (11), a power supply (12), a human-computer interaction device (13), an alarm (14), a wireless communication antenna (15) and a distance measuring device (16) are arranged on the surface of the built-in circuit board (17), and a control button (18) is arranged on one side of the distance measuring device (16).

2. The voltage discrimination type near-electricity alarm according to claim 1, wherein: the safety helmet is characterized in that the front side of the alarm device shell (4) is provided with a safety helmet body (1), the front side of the safety helmet body (1) is provided with goggles (3), and the goggles (3) are movably connected with the safety helmet body (1).

3. The voltage discrimination type near-electricity alarm according to claim 2, wherein: the bottom of the safety helmet main body (1) is provided with a fixing belt (2), and two ends of the fixing belt (2) are connected with two sides of the safety helmet main body (1).

4. The voltage discrimination type near-electricity alarm according to claim 1, wherein: the side of the alarm device shell (4) is provided with a through hole with the width of 1cm and the length of 3cm, and the sensing part of the distance measuring device (16) extends out of the through hole.

5. The voltage discrimination type near-electricity alarm according to claim 1, wherein: the power supply (12) comprises a 9AH lead-acid battery, and the 9AH lead-acid battery is arranged inside the alarm device housing (4).

6. The voltage discrimination type near-electricity alarm according to claim 1, wherein: the power supply (12) is electrically connected with the voltage sensor (5), the motion detector (6), the human body sign detector (7), the data follower (8), the data processor (9), the memory chip (10), the main controller (11), the power supply (12), the man-machine interaction device (13), the alarm (14), the wireless communication antenna (15) and the distance measuring device (16).