CN207366655U - Lightning protection device failure alarm device - Google Patents

Lightning protection device failure alarm device Download PDF

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Publication number
CN207366655U
CN207366655U CN201721176462.4U CN201721176462U CN207366655U CN 207366655 U CN207366655 U CN 207366655U CN 201721176462 U CN201721176462 U CN 201721176462U CN 207366655 U CN207366655 U CN 207366655U
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CN
China
Prior art keywords
partition plate
compression bar
electrode
varistor
lightning protection
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Active
Application number
CN201721176462.4U
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Chinese (zh)
Inventor
魏振宏
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Guangzhou Yifeng Lightning Protection Technology Co Ltd
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Guangzhou Yifeng Lightning Protection Technology Co Ltd
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Application filed by Guangzhou Yifeng Lightning Protection Technology Co Ltd filed Critical Guangzhou Yifeng Lightning Protection Technology Co Ltd
Priority to CN201721176462.4U priority Critical patent/CN207366655U/en
Application granted granted Critical
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Abstract

The utility model discloses a kind of lightning protection device failure alarm device, including the partition plate being arranged in the middle part of device, varistor is equipped with the membrane front face center, Middle face is welded with electrode at left and right sides of the varistor, the electrode side is equipped with temperature sensor, the varistor front end is equipped with control mainboard, the partition plate opposite electrode through part is equipped with protective device, the protective device includes the fixed seat being fixed on the partition plate back side, the fixed seat is equipped with compression bar, the compression bar is connected by spring with fixed seat, the compression bar bottom is equipped with compression bar head, the compression bar head bottom is equipped with connection sheet, the connection sheet bottom is equipped with electromagnet, the electromagnet is arranged right below the iron block being fixed on partition plate reverse side;The partition plate reverse side is additionally provided with normal open switch, and loudspeaker and alarm lamp are electrically connected with left and right sides of the normal open switch.The utility model can be such that failure varistor departs from time, and can send alarm signal in time.

Description

Lightning protection device failure alarm device
Technical field
It the utility model is related to lightning protection device technical field, more particularly to a kind of lightning protection device failure alarm device.
Background technology
All it is to widely use varistor at present for the lightning protection of power-supply system.Using varistor to power supply system System carries out lightning protection, has two problems reliably to solve:First varistor is short-circuit failure, it is necessary in time from power grid Middle disengaging, otherwise can produce overload, even result in fire;How after second pressure responsive resistor failure, relevant people is notified in time Member replaces failure lightning protection device, ensures protected equipment normal operation.
Through retrieval, Authorization Notice No. is that the Chinese patent of CN202749175U discloses a kind of lightning protection device pressure sensitive component failure Dropout and warning device, including box body, are equipped with varistor, trip gear, warning device, first to fourth electricity in box body Pole;The reed switch that warning device is made of the first reed and the second reed;The both sides of varistor respectively with first electrode, Second electrode is welded, and first electrode, second electrode are welded with one end of the 3rd electrode, the 4th electrode respectively, the 3rd electrode, the 4th The other end of electrode is stretched out in outside box body;Trip gear is equipped between the 4th electrode and the second reed, trip gear includes pressure Spring and movable head, the compression spring sleeve on movable head, fix by the lower end position of compression spring.This kind of warning device can make failure pressure-sensitive Resistance departs from from protected power circuit, while produces alarm signal, but the principle used is lost by varistor The mode of high heat fusing scolding tin, this mode when in use can have an impact device inside miscellaneous part caused by effect, It is unfavorable for the permanent use of miscellaneous part.
Utility model content
The purpose of this utility model is to provide a kind of lightning protection device failure alarm device, failure varistor can be made by possessing The advantages of departing from time from protected power circuit and can sending alarm signal in time, solves using fusing scolding tin Mode can produce unsafe problem.
According to a kind of lightning protection device failure alarm device of the utility model embodiment, including be arranged in the middle part of device every Plate, varistor is equipped with the membrane front face center, and Middle face is welded with electrode at left and right sides of the varistor, described Electrode side is equipped with temperature sensor, and the varistor front end is equipped with control mainboard, the control mainboard, electrode run through every Plate, the partition plate opposite electrode through part are equipped with protective device, and the protective device includes the fixation being fixed on the partition plate back side Seat, the fixed seat are equipped with compression bar, and the compression bar is connected by spring with fixed seat, and the compression bar bottom is equipped with compression bar head, The compression bar head bottom is equipped with connection sheet, and the connection sheet is connected with the electrode through partition plate, and the connection sheet bottom is equipped with electricity Magnet, the electromagnet are arranged right below the iron block being fixed on partition plate reverse side;The partition plate reverse side is additionally provided with normal open switch, institute State and loudspeaker and alarm lamp be electrically connected with left and right sides of normal open switch, the normal open switch, temperature sensor, electromagnet with control Mainboard is electrically connected.
Further, the shape of the compression bar is in " 7 " shape.
Further, the connection mode of the electrode and connection sheet is grafting, the connection sheet connection external power supply protection Circuit.
Further, the fixed seat is integrally formed with partition plate and is to be slidably connected with compression bar in fixed seat.
Further, electromagnetic switch is equipped with the connecting line of the control mainboard and electromagnet.
Further, the model STM32F103 of the control mainboard.
The utility model has an advantageous effect in that compared with prior art:This kind of lightning protection device failure alarm device is using temperature It is safer compared to the mode of fusing scolding tin to spend the mode of sensor sensing, also can miscellaneous part in protective device, it is pressure-sensitive Substantial amounts of heat can be produced during resistance failure, causes the temperature of electrode connection to improve, it is warm in temperature sensor real-time monitoring device Degree, when temperature is higher than 80 degree, electric signal transmission to control mainboard, then is passed to protective device and is opened with normally opened by temperature sensor To close, protective device has received signal, and the electromagnetic switch being equipped with the connecting line of control mainboard and electromagnet has received signal, Start to work, make work of electromagnet, work of electromagnet produces magnetic force, can be attracting with iron block, since iron block is fixed, so pressure Bar downward pressing spring under the action of magnetic force, the slide downward in fixed seat, disconnects connection sheet and electrode, make varistor from Depart from away in protected power circuit, while close the normal open switch with external protection circuit communication, so alarm Lantern festival lights, and loudspeaker can be remembered, has reached the effect of alarm;Whole device can make failure varistor from protected power supply Depart from time in circuit and alarm signal can be sent in time, it is safe and reliable and simple in structure.
Brief description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality New embodiment is used to explain the utility model together, does not form the limitation to the utility model.In the accompanying drawings:
Fig. 1 be the utility model proposes a kind of lightning protection device failure alarm device membrane front face structure diagram.
Fig. 2 be the utility model proposes a kind of lightning protection device failure alarm device partition plate reverse structure schematic.
Fig. 3 be the utility model proposes a kind of lightning protection device failure alarm device protective device structure diagram.
In figure:1- partition plates, 2- varistors, 3- electrodes, 4- temperature sensors, 5- control mainboards, 6- protective devices, 7- are solid Reservation, 8- compression bars, 9- springs, 10- compression bars head, 11- connection sheets, 12- electromagnet, 13- iron blocks, 14- normal open switch, 15- loudspeaker, 16- alarm lamps.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained, shall fall within the protection scope of the present invention.
With reference to Fig. 1-3, a kind of lightning protection device failure alarm device, including the partition plate 1 in the middle part of device is arranged on, the front of partition plate 1 Varistor 2 is equipped with center, 2 left and right sides Middle face of varistor is welded with electrode 3, and 3 side of electrode is passed equipped with temperature Sensor 4, the model CX--CWZ01 of temperature sensor 4, varistor 2 can produce substantial amounts of heat when failing, cause electrode 3 to connect The temperature for meeting place improves, and the work of temperature sensor 4 can connect the signal transmission of generation to control mainboard 5, control mainboard 5 The signal transmitted by sensor, is then converted to electric signal and is transmitted to normal open switch 14 and protective device 6, control mainboard and electrode 3 Run through partition plate 1,1 opposite electrode of partition plate, 3 through part is equipped with protective device 6, and protective device 6 includes being fixed on 1 back side of partition plate Fixed seat 7, fixed seat 7 is equipped with compression bar 8, and compression bar 8 is connected by spring 9 with fixed seat 7, and spring 9 can make pushing process There is certain buffering, fixed seat 7, compression bar 8 and connection sheet 11 can be protected, 8 bottom of compression bar is equipped with compression bar first 10, first 10 bottom of compression bar End is equipped with connection sheet 11, and connection sheet 11 is connected with the electrode 3 through partition plate 1, and 11 bottom of connection sheet is equipped with electromagnet 12, electromagnet 12 are arranged right below the iron block 13 that is fixed on 1 reverse side of partition plate, and the work of electromagnet 12 produces magnetic force, can be attracting with iron block 13, by It is fixed in iron block 13, so the downward pressing spring 9 under the action of magnetic force of compression bar 8, the slide downward in fixed seat 7, makes company Contact pin 11 is disconnected with electric level 3, varistor 2 is departed from away from protected power circuit;1 reverse side of partition plate is additionally provided with normally opened Switch 14, the left and right sides of normal open switch 14 are electrically connected with loudspeaker 15 and alarm lamp 16, play the role of warning, normal open switch 14, Temperature sensor 4, electromagnet 12 are electrically connected with control mainboard 5.
The shape of compression bar 8 is in " 7 " shape, and electrode 3 and the connection mode of connection sheet 11 are grafting, and connection sheet 11 connects external Power protecting circuit, such compression bar 8 acts on easily disconnects electrode 3 and connection sheet 11 very much, the one of fixed seat 7 and partition plate 1 into With compression bar 8 to be slidably connected in type and fixed seat 7, such compression bar 8 downward pressing spring 9 under the action of magnetic force can be in fixation Slide downward on seat 7, control mainboard 5, so can be when receiving signal with being equipped with electromagnetic switch in the connecting line of electromagnet 12 Electromagnet 12 is allowed to work, the model STM32F103 of control mainboard 5.
In use, whole device is powered, when varistor 2 fails, substantial amounts of heat can be produced, causes 3 junction of electrode Temperature improve, temperature sensor 4 i.e. work, produce electric signal transmission to control mainboard 5, then pass to protective device 6 with often Switch 14, protective device 6 have received signal, and control mainboard 5 connects with the electromagnetic switch being equipped with the connecting line of electromagnet 12 Receive signal, start to work, electromagnet 12 work produce magnetic force, can it is attracting with iron block 13, compression bar 8 under the action of magnetic force to Lower pressing spring 9, the slide downward in fixed seat 7, makes connection sheet 11 be disconnected with electrode 3, makes varistor 2 from protected electricity Departing from away in source circuit, while close the normal open switch 14 with external protection circuit communication, such alarm lamp 16 can light, Loudspeaker 15 can be remembered, reach the effect of alarm.
Part is not described in detail for the utility model, is the known technology of those skilled in the art.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

  1. A kind of 1. lightning protection device failure alarm device, it is characterised in that:Including the partition plate (1) being arranged in the middle part of device, the partition plate (1) front center is equipped with varistor (2), and Middle face is welded with electrode (3), institute at left and right sides of the varistor (2) State electrode (3) side and be equipped with temperature sensor (4), varistor (2) front end is equipped with control mainboard (5), the control master Plate (5), electrode (3) run through partition plate (1), and partition plate (1) opposite electrode (3) through part is equipped with protective device (6), the guarantor Protection unit (6) includes the fixed seat (7) being fixed on partition plate (1) back side, and the fixed seat (7) is equipped with compression bar (8), the pressure Bar (8) is connected by spring (9) with fixed seat (7), and compression bar (8) bottom is equipped with compression bar head (10), the compression bar head (10) Bottom is equipped with connection sheet (11), and the connection sheet (11) is connected with the electrode (3) through partition plate (1), connection sheet (11) bottom End is equipped with electromagnet (12), and the electromagnet (12) is arranged right below the iron block (13) being fixed on partition plate (1) reverse side;It is described every Plate (1) reverse side is additionally provided with normal open switch (14), and loudspeaker (15) and alarm lamp are electrically connected with left and right sides of the normal open switch (14) (16), the normal open switch (14), temperature sensor (4), electromagnet (12) are electrically connected with control mainboard (5).
  2. 2. lightning protection device failure alarm device according to claim 1, it is characterised in that:The shape of the compression bar (8) is in " 7 " Shape.
  3. 3. lightning protection device failure alarm device according to claim 1, it is characterised in that:The electrode (3) and connection sheet (11) connection mode is grafting, connection sheet (11) the connection external power supply protection circuit.
  4. 4. lightning protection device failure alarm device according to claim 1, it is characterised in that:The fixed seat (7) and partition plate (1) Be integrally formed and in fixed seat (7) with compression bar (8) to be slidably connected.
  5. 5. lightning protection device failure alarm device according to claim 1, it is characterised in that:The control mainboard (5) and electromagnetism Electromagnetic switch is equipped with the connecting line of iron (12).
  6. 6. lightning protection device failure alarm device according to claim 1, it is characterised in that:The model of the control mainboard (5) For STM32F103.
CN201721176462.4U 2017-09-13 2017-09-13 Lightning protection device failure alarm device Active CN207366655U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721176462.4U CN207366655U (en) 2017-09-13 2017-09-13 Lightning protection device failure alarm device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721176462.4U CN207366655U (en) 2017-09-13 2017-09-13 Lightning protection device failure alarm device

Publications (1)

Publication Number Publication Date
CN207366655U true CN207366655U (en) 2018-05-15

Family

ID=62348866

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721176462.4U Active CN207366655U (en) 2017-09-13 2017-09-13 Lightning protection device failure alarm device

Country Status (1)

Country Link
CN (1) CN207366655U (en)

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