CN107134090A - A kind of high-pressure electronic office equipment distribution computer room warning and accident warning device - Google Patents

A kind of high-pressure electronic office equipment distribution computer room warning and accident warning device Download PDF

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Publication number
CN107134090A
CN107134090A CN201710418944.4A CN201710418944A CN107134090A CN 107134090 A CN107134090 A CN 107134090A CN 201710418944 A CN201710418944 A CN 201710418944A CN 107134090 A CN107134090 A CN 107134090A
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CN
China
Prior art keywords
unit
computer room
base
office equipment
warning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710418944.4A
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Chinese (zh)
Inventor
言茂成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Ge Technology Service Co Ltd
Original Assignee
Wuhan Ge Technology Service Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Ge Technology Service Co Ltd filed Critical Wuhan Ge Technology Service Co Ltd
Priority to CN201710418944.4A priority Critical patent/CN107134090A/en
Publication of CN107134090A publication Critical patent/CN107134090A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B19/00Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/20Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F7/00Signs, name or number plates, letters, numerals, or symbols; Panels or boards
    • G09F7/18Means for attaching signs, plates, panels, or boards to a supporting structure
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The invention discloses a kind of warning of high-pressure electronic office equipment distribution computer room and accident warning device, including base, the inner chamber of the base is installed with battery, and the upper left side of base is installed with pressure-sensitive switch, the left and right sides grafting hydraulic column of the base, and the upper end welding head rod of base, shoe cream room is provided with the head rod, and the connecting rod of upper end grafting second of head rod, the bottom of second connecting rod is welded to connect axle, and the bottom grafting piston of connecting shaft, the piston in offer damping hole.Base is secured firmly to by ground by hydraulic column, by above and below fixing axle both sides be brought into close contact adjustable spring and warning sign can be made to bear certain pressure, expression can also be played at night by accumulating type noctilucence silk to act on, the effect of part warning is also functioned to simultaneously, it is computer room important place to point out at this, and manages by fault detection system the operation of electronic equipment.

Description

A kind of high-pressure electronic office equipment distribution computer room warning and accident warning device
Technical field
The present invention relates to teleworking managing device technical field, specially a kind of high-pressure electronic office equipment distribution computer room Warning and accident warning device.
Background technology
Office management mainly includes following function:
1st, office's survey
Office's survey is exactly the purpose and requirement according to office's statistical work, in a organized way, planned, systematically Using the investigation method of science, the course of work of various statistics is collected to objective reality, it is desirable to the data tool collected There are authenticity, accuracy, comprehensive and promptness.
2nd, office's interpersonal relationships is coordinated and disposal ability
The ability of reconciliation process office of association interpersonal relationships refers to deskman by factum, intentionally Know, the ability of the purposefully change of influence office interpersonal relationships and developing direction, it be in the interpersonal sensitivity of office and On the basis of office's interpersonal adaptation, put into practice what formation and development was got up by interpersonal relationships, embodied a concentrated reflection of interpersonal relationships energy The dynamic role feature of power.
3rd, office's trouble free service
The trouble free service of office is an important process content of office, and it relates generally to the environmental facility of office Safety (as prevented giving away secrets, divulge a secret) many contents of safe (such as preventing fires), personal security, data and information.
And present office administration is often completed using electronic equipment, thus electronic equipment whether normally run it is important Property teleworking management in hold the balance, but currently without warned for electronic equipment and monitoring act on dress Put, in view of the above-mentioned problems, special propose a kind of high-pressure electronic office equipment distribution computer room warning and accident warning device.
The content of the invention
Warned it is an object of the invention to provide a kind of high-pressure electronic office equipment distribution computer room and accident warning device, with The problem of solving to propose in above-mentioned background technology.
To achieve the above object, the present invention provides following technical scheme:A kind of high-pressure electronic office equipment distribution computer room police Show and accident warning device, including base, the inner chamber of the base is installed with battery, and peace is fixed on the upper left side of base Equipped with pressure-sensitive switch, the upper end welding head rod of the left and right sides grafting hydraulic column of the base, and base is described Shoe cream room, and the connecting rod of upper end grafting second of head rod, the bottom of second connecting rod are provided with head rod Be welded to connect axle, and the bottom grafting piston of connecting shaft, offer damping hole in the piston, second connecting rod it is interior Chamber, which is installed with below infrared sensing switch, and infrared sensing switch, is installed with alarm, second connecting rod Top be plugged with fixing axle, and the left end welding warning sign of fixing axle inlays LED display, the storage in the warning sign The output end electrical connection pressure-sensitive switch and the input of infrared sensing switch of battery, and the output end electricity of pressure-sensitive switch The input of hydraulic column is connected, the output end of the infra-red sensor switch electrically connects the input of alarm.
It is preferred that, the inner chamber of second connecting rod is located at two adjustable springs of the fixed installation of both sides up and down of fixing axle.
It is preferred that, the inner chamber of the warning sign, which is installed with the outside of several support columns, and support column, is wrapped storage Can type noctilucence silk.
It is preferred that, fault detection system is additionally provided with the base, the fault detection system is connected to by electric conductor Warning sign, the fault detection system includes single-chip microcomputer and peripheral system, high-voltage pulse signal source major loop and driving circuit and S Signal source major loop and driving circuit, high-voltage pulse signal source major loop and driving circuit and S signal sources major loop and drive Dynamic loop is connected by electric conductor with single-chip microcomputer and peripheral system;
Wherein:The single-chip microcomputer and peripheral system are used to be controlled all hardware;
High-voltage pulse signal source major loop and driving circuit are used for Launch Services for Foreign to be believed in the high-voltage pulse of c-type traveling wave method Number;
The S signal sources major loop and driving circuit are used for Launch Services for Foreign in the S signals of S signal injection methods.
It is preferred that, the single-chip microcomputer and peripheral system include single chip control unit, and the single chip control unit passes through Electric conductor be connected with JATG debugging interfaces unit, communication unit, key input unit, PWM generation units, A/D collecting units and Numeral method unit, the communication unit includes RS232 serial communication units, and communication unit is connected with master by electric conductor Control machine unit, the PWM generation units, A/D sampling units and numeral method unit.
It is preferred that, high-voltage pulse signal source major loop and driving circuit include the pulse signal source list being sequentially connected electrically Member and IGBT control units, the pulse signal source unit are connected by electric conductor with numeral method unit, the IGBT controls Unit processed is connected by electric conductor with single chip control unit.
It is preferred that, the S signal sources major loop and driving circuit include the MOSFET control units being sequentially connected electrically and S letters Number source unit, and MOSFET control units are connected by electric conductor with PWM generation units.
It is preferred that, be additionally provided with radio communication unit in the communication unit, and radio communication unit by wireless signal with Main control computer unit is connected.
It is preferred that, the JATG debugging interfaces unit, communication unit, key input unit and charactron display unit and list Electric connection mode between piece machine control unit is two-way electrical connection.
Compared with prior art, the beneficial effects of the invention are as follows:A kind of warning of high-pressure electronic office equipment distribution computer room and Accident warning device, ground is secured firmly to by hydraulic column by base, and the situation for preventing to topple over occurs, by fixation Both sides, which are brought into close contact adjustable spring, above and below axle warning sign is born certain pressure, can also be by accumulating type noctilucence silk at night Evening plays expression effect, it is to avoid appears in the unclear situation of night identification, while also functioning to the effect of part warning, points out at this For computer room important place, and manage by fault detection system the operation of electronic equipment.
Brief description of the drawings
Fig. 1 is schematic perspective view of the invention;
Fig. 2 is side sectional view of the invention;
Fig. 3 is the structured flowchart of fault detection system in the present invention.
In figure:1st, base, 2, battery, 3, pressure-sensitive switch, 4, hydraulic column, 5, head rod, 6, shoe cream room, 7, Second connecting rod, 8, connecting shaft, 9, piston, 10, damping hole, 11, infrared sensing switch, 12, alarm, 13, fixing axle, 14, Warning sign, 15, LED display, 16, adjustable spring, 17, support column.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
Fig. 1 to Fig. 3 is referred to, the present invention provides a kind of technical scheme:A kind of high-pressure electronic office equipment distribution computer room police Show and accident warning device, including base 1, the inner chamber of the base 1 is installed with battery 2, and battery 2 provides power supply, And the upper left side of base 1 is installed with pressure-sensitive switch 3, the left and right sides grafting hydraulic column 4 of the base 1, when the bottom of by Seat 1 be embedded to ground after, pressure-sensitive switch 3 is under pressure, can make also compression leg 4 eject, base 1 is fixed, prevented The warning sign 14 of side is toppled over by boisterous influence, and the upper end welding head rod 5 of base 1, described first It is provided with shoe cream room 6 in connecting rod 5, the internal memory of shoe cream room 6 is drained the oil liquid, and the second connecting rod of upper end grafting 7 of head rod 5, institute The bottom for stating the second connecting rod 7 is welded to connect axle 8, and the bottom of connecting shaft 8 is plugged to out in shoe cream room 6, and the bottom of connecting shaft 8 Damping hole 10 is offered in grafting piston 9, the piston 9, can be pressed down against after the second connecting rod 7 is under pressure, oil Liquid flow to the top of piston 9 by the lower end of damping hole 10 from piston 9, completes the decompression to the second connecting rod 7, prevents severe Warning sign 14 drives the second connecting rod 7 to topple over during weather, and the inner chamber of second connecting rod 7 is installed with infrared induction Switch 11, and the lower section of infrared sensing switch 11 is installed with alarm 12, when infrared sensing switch 11 has sensed object Close to when, electric signal can be sent to alarm 12, alarm 12 is sent alarm, reminded at this as computer room important place, described the The top of two connecting rods 7, which is plugged with fixing axle 13, and the left end welding warning sign 14 of fixing axle 13, the warning sign 14, inlays LED display 15, the output end electrical connection pressure-sensitive switch 3 and the input of infrared sensing switch 11 of the battery 2, and The output end of pressure-sensitive switch 3 electrically connects the input of hydraulic column 4, the output end electrical connection of the infra-red sensor switch 11 The input of alarm 12, the inner chamber of second connecting rod 7 is fixedly mounted two positioned at the both sides up and down of fixing axle 13 and stretched Spring 16, when warning sign 14 drives fixing axle 13 to be under pressure, the adjustable spring 16 of fixing axle both sides about 13 can be to fixation Axle 13 is protected, and prevents warning sign 14 from falling off, and the inner chamber of the warning sign 14 is installed with several support columns 17, And the outside of support column 17 is wrapped accumulating type noctilucence silk, expression can also be played at night by accumulating type noctilucence silk and acted on, Avoid the occurrence of and unclear situation is recognized at night, while also functioning to the effect of part warning, point out to be computer room important place at this, it is described Fault detection system is additionally provided with base, the fault detection system is connected to warning sign, the fault detect by electric conductor System includes single-chip microcomputer and peripheral system, high-voltage pulse signal source major loop and driving circuit and S signal sources major loop and driving Loop, high-voltage pulse signal source major loop and driving circuit and S signal sources major loop and driving circuit pass through electric conductor It is connected with single-chip microcomputer and peripheral system;Wherein:The single-chip microcomputer and peripheral system are used to be controlled all hardware;The height Pressure pulse signal source major loop and driving circuit are used for Launch Services for Foreign in the high-voltage pulse signal of c-type traveling wave method;The S signal sources Major loop and driving circuit are used for Launch Services for Foreign in the S signals of S signal injection methods, and the single-chip microcomputer and peripheral system include monolithic Machine control unit, it is defeated that the single chip control unit is connected with JATG debugging interfaces unit, communication unit, keyboard by electric conductor Enter unit, PWM generation units, A/D collecting units and charactron display unit, the communication unit includes RS232 serial communications Unit, and communication unit is connected with main control computer unit, the PWM generation units, A/D sampling units and charactron by electric conductor Display unit, high-voltage pulse signal source major loop and driving circuit include the pulse signal source unit that is sequentially connected electrically and IGBT control units, the pulse signal source unit is connected by electric conductor with numeral method unit, and the IGBT controls are single Member is connected by electric conductor with single chip control unit, and the S signal sources major loop and driving circuit include what is be sequentially connected electrically MOSFET control units and S signal source units, and MOSFET control units are connected by electric conductor with PWM generation units, it is described Radio communication unit is additionally provided with communication unit, and radio communication unit is connected by wireless signal with main control computer unit, it is described Electricity between JATG debugging interfaces unit, communication unit, key input unit and charactron display unit and single chip control unit Connected mode is two-way electrical connection, and (S signals note is served using high-voltage pulse signal (serving c-type traveling wave method) and S signals Enter method), and the integration in high-voltage pulse signal source and S signal sources of C8051F3010 chip microcontrollers is utilized, main program is adjusted With modular subroutine realize need function, subprogram mainly include measurement subprogram, initialization subroutine, interruption subroutine, Numeral method subprogram, keyboard scan subprogram, with communication subprogram of main control computer etc., using the interrupt function of single-chip microcomputer come The operation of subprogram is realized, A/D conversions are measured by being overflowed in interrupt mode using timer as commencing signal, Line scan pickup coil side injects high-voltage pulse signal and S signals, the waveform that both produce can existence time it is poor, by by the time phase of waveform Subtract, just can judge whether electronic organizers voltage normally runs, and can be carried out using wireless signal and control terminal Data transfer..
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It may be appreciated other embodiment.

Claims (9)

1. a kind of high-pressure electronic office equipment distribution computer room warning and accident warning device, including base (1), it is characterised in that: The inner chamber of the base (1) is installed with battery (2), and the upper left side of base (1) is installed with pressure-sensitive switch (3), the left and right sides grafting hydraulic column (4) of the base (1), and the upper end welding head rod (5) of base (1), it is described Shoe cream room (6), and the connecting rod of upper end grafting second (7) of head rod (5), described second are provided with head rod (5) The bottom of connecting rod (7) is welded to connect in axle (8), and the bottom grafting piston (9) of connecting shaft (8), the piston (9) and opened up There is damping hole (10), the inner chamber of second connecting rod (7) is installed with infrared sensing switch (11), and infrared sensing switch (11) it is installed with below above alarm (12), second connecting rod (7) and is plugged with fixing axle (13), and it is fixed LED display (15) is inlayed in the left end welding warning sign (14) of axle (13), the warning sign (14), the battery (2) The input of output end electrical connection pressure-sensitive switch (3) and infrared sensing switch (11), and the output of pressure-sensitive switch (3) The input of end electrical connection hydraulic column (4), the output end of the infra-red sensor switch (11) electrically connects the defeated of alarm (12) Enter end.
2. a kind of high-pressure electronic office equipment distribution computer room warning according to claim 1 and accident warning device, it is special Levy and be:Two adjustable springs are fixedly mounted in the both sides up and down that the inner chamber of second connecting rod (7) is located at fixing axle (13) (16)。
3. a kind of high-pressure electronic office equipment distribution computer room warning according to claim 1 and accident warning device, it is special Levy and be:The inner chamber of the warning sign (14) is installed with several support columns (17), and the outside winding of support column (17) Accumulating type noctilucence silk.
4. a kind of high-pressure electronic office equipment distribution computer room warning according to claim 1 and accident warning device, it is special Levy and be:Fault detection system is additionally provided with the base (1), the fault detection system is connected to warning sign by electric conductor (14) and extraneous electronic office equipment, the fault detection system includes single-chip microcomputer and peripheral system, high-voltage pulse signal source Major loop and driving circuit and S signal sources major loop and driving circuit, high-voltage pulse signal source major loop and driving circuit It is connected with S signal sources major loop and driving circuit by electric conductor with single-chip microcomputer and peripheral system;
Wherein:The single-chip microcomputer and peripheral system are used to be controlled all hardware;
High-voltage pulse signal source major loop and driving circuit are used for Launch Services for Foreign in the high-voltage pulse signal of c-type traveling wave method;
The S signal sources major loop and driving circuit are used for Launch Services for Foreign in the S signals of S signal injection methods.
5. a kind of high-pressure electronic office equipment distribution computer room warning according to claim 4 and accident warning device, it is special Levy and be:The single-chip microcomputer and peripheral system include single chip control unit, and the single chip control unit is connected by electric conductor It is connected to JATG debugging interfaces unit, communication unit, key input unit, PWM generation units, A/D collecting units and charactron aobvious Show unit, the communication unit includes RS232 serial communication units, and communication unit is connected with main control computer list by electric conductor Member, the PWM generation units, A/D sampling units and numeral method unit.
6. a kind of high-pressure electronic office equipment distribution computer room warning according to claim 4 and accident warning device, it is special Levy and be:High-voltage pulse signal source major loop and driving circuit include the pulse signal source unit and IGBT being sequentially connected electrically Control unit, the pulse signal source unit is connected by electric conductor with numeral method unit, and the IGBT control units are led to Electric conductor is crossed to be connected with single chip control unit.
7. a kind of high-pressure electronic office equipment distribution computer room warning according to claim 4 and accident warning device, it is special Levy and be:The S signal sources major loop and driving circuit include MOSFET control units and the S signal source lists being sequentially connected electrically Member, and MOSFET control units are connected by electric conductor with PWM generation units.
8. a kind of high-pressure electronic office equipment distribution computer room warning according to claim 4 and accident warning device, it is special Levy and be:Radio communication unit is additionally provided with the communication unit, and radio communication unit passes through wireless signal and main control computer list Member connection.
9. a kind of high-pressure electronic office equipment distribution computer room warning according to claim 4 and accident warning device, it is special Levy and be:The JATG debugging interfaces unit, communication unit, key input unit and charactron display unit and single-chip microcomputer are controlled Electric connection mode between unit is two-way electrical connection.
CN201710418944.4A 2017-06-06 2017-06-06 A kind of high-pressure electronic office equipment distribution computer room warning and accident warning device Pending CN107134090A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710418944.4A CN107134090A (en) 2017-06-06 2017-06-06 A kind of high-pressure electronic office equipment distribution computer room warning and accident warning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710418944.4A CN107134090A (en) 2017-06-06 2017-06-06 A kind of high-pressure electronic office equipment distribution computer room warning and accident warning device

Publications (1)

Publication Number Publication Date
CN107134090A true CN107134090A (en) 2017-09-05

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CN201710418944.4A Pending CN107134090A (en) 2017-06-06 2017-06-06 A kind of high-pressure electronic office equipment distribution computer room warning and accident warning device

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101302895A (en) * 2008-06-10 2008-11-12 梁伟 Rotating telescopic anchoring type tent pull wire grounding nail
CN102286947A (en) * 2011-05-20 2011-12-21 北京联合大学 Multifunctional warning device
CN103761831A (en) * 2013-11-26 2014-04-30 国家电网公司 Electric power security monitoring warning board
US20150015406A1 (en) * 2013-07-15 2015-01-15 Rick Charles FURTADO Caution sign device
CN205038928U (en) * 2015-09-30 2016-02-17 金乡县金地电力有限责任公司 Portable electric power construction warning device
CN205636544U (en) * 2016-04-22 2016-10-12 温岭市大通市政工程有限公司 Town road construction warning sign
CN205822049U (en) * 2016-07-20 2016-12-21 吴江华泰建设工程有限公司 A kind of warning sign for road construction
AU2017100344A4 (en) * 2017-03-23 2017-05-04 Christopher John Horrocks Hazard warning device
CN106771885A (en) * 2017-02-13 2017-05-31 武汉随戈科技服务有限公司 A kind of distribution network failure searches equipment
CN106782222A (en) * 2016-11-09 2017-05-31 安徽凯越电力杆塔有限公司 Alarming device is used on a kind of power tower

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101302895A (en) * 2008-06-10 2008-11-12 梁伟 Rotating telescopic anchoring type tent pull wire grounding nail
CN102286947A (en) * 2011-05-20 2011-12-21 北京联合大学 Multifunctional warning device
US20150015406A1 (en) * 2013-07-15 2015-01-15 Rick Charles FURTADO Caution sign device
CN103761831A (en) * 2013-11-26 2014-04-30 国家电网公司 Electric power security monitoring warning board
CN205038928U (en) * 2015-09-30 2016-02-17 金乡县金地电力有限责任公司 Portable electric power construction warning device
CN205636544U (en) * 2016-04-22 2016-10-12 温岭市大通市政工程有限公司 Town road construction warning sign
CN205822049U (en) * 2016-07-20 2016-12-21 吴江华泰建设工程有限公司 A kind of warning sign for road construction
CN106782222A (en) * 2016-11-09 2017-05-31 安徽凯越电力杆塔有限公司 Alarming device is used on a kind of power tower
CN106771885A (en) * 2017-02-13 2017-05-31 武汉随戈科技服务有限公司 A kind of distribution network failure searches equipment
AU2017100344A4 (en) * 2017-03-23 2017-05-04 Christopher John Horrocks Hazard warning device

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Application publication date: 20170905