CN108965820A - A kind of Intelligent meter reading device - Google Patents

A kind of Intelligent meter reading device Download PDF

Info

Publication number
CN108965820A
CN108965820A CN201810897776.6A CN201810897776A CN108965820A CN 108965820 A CN108965820 A CN 108965820A CN 201810897776 A CN201810897776 A CN 201810897776A CN 108965820 A CN108965820 A CN 108965820A
Authority
CN
China
Prior art keywords
cart
shell
upper cover
cover plate
driven wheel
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.)
Granted
Application number
CN201810897776.6A
Other languages
Chinese (zh)
Other versions
CN108965820B (en
Inventor
于晓
陈瑞先
杨新虹
秦志勇
李湘湘
肖峰
孙杰
王守帅
位鹏
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.)
State Grid Corp of China SGCC
Yantai Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Yantai Power Supply Co of State Grid Shandong Electric Power 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 State Grid Corp of China SGCC, Yantai Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201810897776.6A priority Critical patent/CN108965820B/en
Publication of CN108965820A publication Critical patent/CN108965820A/en
Application granted granted Critical
Publication of CN108965820B publication Critical patent/CN108965820B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Abstract

The invention discloses a kind of Intelligent meter reading devices, including cart shell, the bottom of cart shell is fixedly connected with several universal wheels, brake(-holder) block is provided on universal wheel, cart shell side is provided with cart handle, No.1 hinge is connected on cart shell, the present invention is by being provided with No.1 hydraulic cylinder, No.1 hydraulic stem can be driven to move up by No.1 hydraulic cylinder, to drive image collecting device base plate to move up, image collecting device is moved to the ammeter side that eminence is inconvenient to observe, the rotation of No.1 driving wheel is driven by opening No.1 servo motor, the rotation of No.1 driven wheel is driven by No.1 driving wheel, it is rotated by No.1 driven wheel and drives image collecting device rotation, it is taken pictures using camera, pass through image capture module again, A/D conversion module and microprocessor show image on a display screen, it is recorded, Such design can facilitate people to be inconvenient to the ammeter made a copy of to eminence and carry out meter reading.

Description

A kind of Intelligent meter reading device
Technical field
The invention belongs to ammeters to make a copy of technical field, in particular to a kind of Intelligent meter reading device.
Background technique
In the prior art, some ammeter installations aloft, are made a copy of if people is climbed up by ladder, are then easy to happen Accident threatens to the safety of people, so the present invention is novel to propose a kind of Intelligent meter reading device.
Summary of the invention
The object of the invention is that providing a kind of Intelligent meter reading device to solve the above-mentioned problems, solve existing Meter copying device makes a copy of the disadvantages of operation is difficult, without safety.
To solve the above-mentioned problems, the present invention provides a kind of technical solutions:
A kind of Intelligent meter reading device, including cart shell, the bottom of the cart shell is fixedly connected with several universal wheels, universal Brake(-holder) block is provided on wheel, cart shell side is provided with cart handle, is connected with No.1 on the cart shell Hinge, is fixedly connected with cart outer casing upper cover plate on the No.1 hinge, the cart shell by No.1 hinge and cart outside Shell upper cover plate is flexibly connected, and is fixedly connected with outer casing upper cover plate handle, the outer casing upper cover plate on the cart outer casing upper cover plate Anti-skid rubber cushion is arranged on handle, described cart outer casing upper cover plate one end is connect with upper cover plate link slot, and the upper cover plate connects Access slot is arranged inside cart shell one end, and the cart outer casing upper cover plate passes through upper cover plate link slot and cart cage connection, Electromagnet is provided on the upper cover plate link slot, one end that the cart outer casing upper cover plate is connect with electromagnet uses No. 45 steel It is made, the cart outer casing upper cover plate passes through electromagnet and upper cover plate link slot and the removable connection of cart shell, the cart It is provided with side mounting groove on outer casing inner wall, bottom mounting groove is installed on the cart outer casing bottom, is set on the side mounting groove Be equipped with transverse connecting rod, be provided with vertical connecting rod on the bottom mounting groove, the transverse connecting rod and vertical connecting rod it Between be connected with hollow protection shell.
Preferably, the automatically controlled telescopic rod of No.1 is provided in the hollow protection shell, the automatically controlled telescopic rod one of No.1 End and the automatically controlled removable connection of telescopic rod slot, the automatically controlled telescopic rod slot are fixedly mounted on the inner wall of hollow protection shell On, for the automatically controlled telescopic rod of No.1 by automatically controlled telescopic rod slot and the removable connection of hollow protection shell, the No.1 is automatically controlled Telescopic rod one end is fixedly mounted on automatically controlled telescopic rod mounting plate, and the automatically controlled telescopic rod mounting plate is fixedly mounted on lateral connection On bar, the automatically controlled telescopic rod of No.1 is fixedly connected by automatically controlled telescopic rod mounting plate with transverse connecting rod, the cart shell No.1 hydraulic cylinder is fixedly installed on bottom, the No.1 hydraulic cylinder is arranged between transverse connecting rod and vertical connecting rod, institute It states and is sequentially connected with No.1 hydraulic stem on No.1 hydraulic cylinder, be fixedly connected with image collecting device pedestal on the No.1 hydraulic stem Plate, the No.1 hydraulic cylinder are sequentially connected by No.1 hydraulic stem and image collecting device base plate, described image acquisition device It is fixedly installed with No.1 servo motor on base plate, No.1 is connected with by No.1 electric machine shaft driving on the No.1 servo motor Driving wheel.
Preferably, be sequentially connected with No.1 driven wheel by No.1 belt on the No.1 driving wheel, the No.1 from Several No.1 engaging tooths are provided on driving wheel, No.1 driven wheel side is sequentially connected with No.1 by No.1 driven wheel bearing Driven wheel bearing connecting rod, the No.1 driven wheel bearing connecting rod is fixedly mounted on image collecting device base plate, described It is fixedly installed with No.1 fixed link on No.1 driven wheel side setting image collecting device base plate, leads in the No.1 fixed link It crosses No. two driven wheel bearings and is sequentially connected with No. two driven wheels, the No.1 fixed link is sequentially connected with No. two driven wheel bearings, Several No. two engaging tooths are provided on No. two driven wheels, No. two driven wheels are fixedly connected with No. two driven wheel bearings, The size of No. two engaging tooths is greater than the size of No.1 engaging tooth, and acquisition dress is fixedly connected on No. two driven wheel bearings Connecting rod is set, the acquisition device connecting rod is sequentially connected by No. two driven wheel bearings and No.1 fixed link, the acquisition dress It sets and is fixedly connected with image collecting device in connecting rod, described image acquisition device includes camera, image capture module and A/D Conversion module, the camera and image capture module and A/D conversion module are electrically connected.
Preferably, the A/D conversion module and microprocessor are electrically connected, the microprocessor is arranged in display screen one Side.
Preferably, on the cart shell that the display screen is inlayed, the model F5.0LED of the display screen.
Preferably, the model AD7606 of described image acquisition module, the model of the A/D conversion module PCF8591。
Preferably, the model STM32F407ZGT6 of the microprocessor, the model RER- of the camera USBFHD01M 。
Preferably, being provided with guiding shell at the automatically controlled telescopic rod of No.1 and hollow protection cage connection.
Beneficial effects of the present invention:
The present invention can drive No.1 hydraulic stem to move up, to drive by being provided with No.1 hydraulic cylinder by No.1 hydraulic cylinder Image collecting device base plate moves up, and image collecting device is moved to the ammeter side that eminence is inconvenient to observe, passes through opening No.1 servo motor drives the rotation of No.1 driving wheel, drives the rotation of No.1 driven wheel by No.1 driving wheel, passes through No.1 driven wheel Rotation drive image collecting device rotation, taken pictures using camera, then by image capture module, A/D conversion module and Microprocessor shows image on a display screen, is recorded, and such design can facilitate people to be inconvenient to the electricity made a copy of to eminence Table carries out meter reading.
Detailed description of the invention:
Detailed description will be given by the following detailed implementation and drawings by the present invention for ease of explanation,.
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is enlarged structure schematic diagram at A of the invention;
Fig. 3 is modular structure schematic diagram of the invention.
In figure: 1, cart shell;2, No.1 hinge;3, cart outer casing upper cover plate;4, outer casing upper cover plate handle;5, upper cover plate Link slot;6, electromagnet;7, side mounting groove;8, bottom mounting groove;9, transverse connecting rod;10, vertical connecting rod;11, hollow guarantor Protect shell;12, the automatically controlled telescopic rod of No.1;13, automatically controlled telescopic rod slot;14, automatically controlled telescopic rod mounting plate;15, No.1 hydraulic cylinder; 16, No.1 hydraulic stem;17, image collecting device base plate;18, No.1 servo motor;19, No.1 driving wheel;20, No.1 is driven Wheel;21, No.1 engaging tooth;22, No.1 driven wheel bearing;23, No.1 driven wheel bearing connecting rod;24, No.1 fixed link;25, No. two driven wheel bearings;26, No. two driven wheels;27, No. two engaging tooths;28, acquisition device connecting rod;29, image collecting device; 30, No.1 belt;31, display screen;32, microprocessor;33, camera;34, image capture module;35, A/D conversion module.
Specific embodiment:
As shown in Figure 1-3, present embodiment uses following technical scheme: a kind of Intelligent meter reading device, including cart shell 1, the bottom of the cart shell 1 is fixedly connected with several universal wheels, and brake(-holder) block, the cart shell 1 are provided on universal wheel Side is provided with cart handle, and No.1 hinge 2 is connected on the cart shell 1, is fixedly connected on the No.1 hinge 2 There is cart outer casing upper cover plate 3, the cart shell 1 is flexibly connected by No.1 hinge 2 with cart outer casing upper cover plate 3, described to push away It is fixedly connected with outer casing upper cover plate handle 4 on vehicle outer casing upper cover plate 3, is arranged with anti-slip rubber on the outer casing upper cover plate handle 4 Pad, described 3 one end of cart outer casing upper cover plate are connect with upper cover plate link slot 5, and the upper cover plate link slot 5 is arranged in cart shell Inside 1 one end, the cart outer casing upper cover plate 3 is connect by upper cover plate link slot 5 with cart shell 1, the upper cover plate connection Electromagnet 6 is provided on slot 5, one end that the cart outer casing upper cover plate 3 is connect with electromagnet 6 is made of No. 45 steel, described Cart outer casing upper cover plate 3 passes through electromagnet 6 and upper cover plate link slot 5 and the removable connection of cart shell 1, the cart shell 1 It is provided with side mounting groove 7 on inner wall, bottom mounting groove 8 is installed on 1 bottom of cart shell, is set on the side mounting groove 7 Be equipped with transverse connecting rod 9, be provided with vertical connecting rod 10 on the bottom mounting groove 8, the transverse connecting rod 9 with vertically connect Hollow protection shell 11 is connected between bar 10.
Wherein, the automatically controlled telescopic rod 12 of No.1, the automatically controlled telescopic rod 12 of No.1 are provided in the hollow protection shell 11 One end and the removable connection of automatically controlled telescopic rod slot 13, the automatically controlled telescopic rod slot 13 are fixedly mounted on hollow protection shell 11 Inner wall on, the automatically controlled telescopic rod 12 of No.1 by automatically controlled telescopic rod slot 13 and the removable connection of hollow protection shell 11, Described automatically controlled 12 one end of telescopic rod of No.1 is fixedly mounted on automatically controlled telescopic rod mounting plate 14, the automatically controlled telescopic rod mounting plate 14 It is fixedly mounted in transverse connecting rod 9, the automatically controlled telescopic rod 12 of No.1 passes through automatically controlled telescopic rod mounting plate 14 and lateral connection Bar 9 is fixedly connected, and No.1 hydraulic cylinder 15 is fixedly installed on 1 bottom of cart shell, and the setting of No.1 hydraulic cylinder 15 exists Between transverse connecting rod 9 and vertical connecting rod 10, it is sequentially connected with No.1 hydraulic stem 16 on the No.1 hydraulic cylinder 15, described one Be fixedly connected with image collecting device base plate 17 on number hydraulic stem 16, the No.1 hydraulic cylinder 15 by No.1 hydraulic stem 16 with Image collecting device base plate 17 is sequentially connected, and is fixedly installed with No.1 servo motor on described image acquisition device base plate 17 18, No.1 driving wheel 19 is connected with by No.1 electric machine shaft driving on the No.1 servo motor 18.
Wherein, No.1 driven wheel 20, the No.1 are sequentially connected with by No.1 belt 30 on the No.1 driving wheel 19 Several No.1 engaging tooths 21 are provided on driven wheel 20,20 side of No.1 driven wheel is driven by No.1 driven wheel bearing 22 It is connected with No.1 driven wheel bearing connecting rod 23, the No.1 driven wheel bearing connecting rod 23 is fixedly mounted on image collecting device On base plate 17, No.1 fixed link is fixedly installed on 20 side of the No.1 driven wheel setting image collecting device base plate 17 24, No. two driven wheels 26 are sequentially connected with by No. two driven wheel bearings 25 in the No.1 fixed link 24, and the No.1 is fixed Bar 24 and No. two driven wheel bearings 25 are sequentially connected, and are provided with several No. two engaging tooths 27 on No. two driven wheels 26, described No. two driven wheels 26 are fixedly connected with No. two driven wheel bearings 25, and the size of No. two engaging tooths 27 is greater than No.1 engaging tooth 21 Size, be fixedly connected with acquisition device connecting rod 28, the acquisition device connecting rod 28 on No. two driven wheel bearings 25 It is sequentially connected by No. two driven wheel bearings 25 and No.1 fixed link 24, is fixedly connected with figure in the acquisition device connecting rod 28 As acquisition device 29, described image acquisition device 29 includes camera 33, image capture module 34 and A/D conversion module 35, institute It states camera 33 and image capture module 34 and A/D conversion module 35 is electrically connected.
Wherein, the A/D conversion module 35 is electrically connected with microprocessor 32, and the microprocessor 32 is arranged in display screen 31 sides.
Wherein, on the cart shell 1 that the display screen 31 is inlayed, the model F5.0LED of the display screen 31.
Wherein, the model AD7606 of described image acquisition module 34, the model of the A/D conversion module 35 PCF8591。
Wherein, the model STM32F407ZGT6, the model RER- of the camera 33 of the microprocessor 32 USBFHD01M 。
Wherein, the automatically controlled telescopic rod 12 of the No.1 is provided with guiding shell with hollow 11 junction of protection shell.
Specific: a kind of Intelligent meter reading device passes through outer casing upper cover plate in use, electromagnet 6 is made to lose magnetism first Handle 4 opens cart outer casing upper cover plate 3, drives No.1 hydraulic stem 16 to move up by No.1 hydraulic cylinder 15, to adopt with motion video Acquisition means base plate 17 moves up, and image collecting device 29 is moved to the ammeter side that eminence is inconvenient to observe, by opening one Number servo motor 18 drives No.1 driving wheel 19 to rotate, and drives No.1 driven wheel 20 by No.1 belt 30 by No.1 driving wheel 19 Rotation, is adopted by No. two engaging tooths 27 on the No.1 engaging tooth 21 and No. two driven wheels 26 on No.1 driven wheel 20 with motion video Acquisition means 29 rotate, and are taken pictures using camera 33, then pass through image capture module 34, A/D conversion module 35 and micro process Device 32 shows image on display screen 31, is recorded, and such design can facilitate people to be inconvenient to the ammeter made a copy of to eminence Carry out meter reading.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, the technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (8)

1. a kind of Intelligent meter reading device, including cart shell (1), which is characterized in that the bottom of the cart shell (1) is fixed to be connected Several universal wheels are connected to, brake(-holder) block are provided on universal wheel, cart shell (1) side is provided with cart handle, described to push away It is connected on vehicle shell (1) No.1 hinge (2), is fixedly connected with cart outer casing upper cover plate on the No.1 hinge (2) (3), the cart shell (1) is flexibly connected by No.1 hinge (2) with cart outer casing upper cover plate (3), on the cart shell It is fixedly connected with outer casing upper cover plate handle (4) on cover board (3), is arranged with anti-skid rubber cushion on the outer casing upper cover plate handle (4), The cart outer casing upper cover plate (3) one end is connect with upper cover plate link slot (5), and the upper cover plate link slot (5) is arranged in cart Inside shell (1) one end, the cart outer casing upper cover plate (3) is connect by upper cover plate link slot (5) with cart shell (1), institute It states and is provided on upper cover plate link slot (5) electromagnet (6), one end that the cart outer casing upper cover plate (3) connect with electromagnet (6) It is made of No. 45 steel, the cart outer casing upper cover plate (3) passes through electromagnet (6) and upper cover plate link slot (5) and cart shell (1) removable connection is provided with side mounting groove (7) on cart shell (1) inner wall, pacifies on cart shell (1) bottom It equipped with bottom mounting groove (8), is provided with transverse connecting rod (9) on the side mounting groove (7), is set on the bottom mounting groove (8) It is equipped with vertical connecting rod (10), hollow protection shell is connected between the transverse connecting rod (9) and vertical connecting rod (10) (11).
2. a kind of Intelligent meter reading device according to claim 1, it is characterised in that: set in the hollow protection shell (11) It is equipped with the automatically controlled telescopic rod of No.1 (12), the automatically controlled telescopic rod of No.1 (12) one end and the removable company of automatically controlled telescopic rod slot (13) It connects, the automatically controlled telescopic rod slot (13) is fixedly mounted on the inner wall of hollow protection shell (11), and the No.1 is automatically controlled flexible Bar (12) passes through automatically controlled telescopic rod slot (13) and the removable connection of hollow protection shell (11), the automatically controlled telescopic rod of No.1 (12) one end is fixedly mounted on automatically controlled telescopic rod mounting plate (14), and the automatically controlled telescopic rod mounting plate (14) is fixedly mounted on cross To on connecting rod (9), the automatically controlled telescopic rod of No.1 (12) is solid by automatically controlled telescopic rod mounting plate (14) and transverse connecting rod (9) It is fixed to connect, it is fixedly installed with No.1 hydraulic cylinder (15) on cart shell (1) bottom, No.1 hydraulic cylinder (15) setting exists Between transverse connecting rod (9) and vertical connecting rod (10), No.1 hydraulic stem is sequentially connected on the No.1 hydraulic cylinder (15) (16), it is fixedly connected with image collecting device base plate (17) on the No.1 hydraulic stem (16), the No.1 hydraulic cylinder (15) It is sequentially connected by No.1 hydraulic stem (16) and image collecting device base plate (17), described image acquisition device base plate (17) On be fixedly installed with No.1 servo motor (18), be connected with one by No.1 electric machine shaft driving on the No.1 servo motor (18) Number driving wheel (19).
3. a kind of Intelligent meter reading device according to claim 2, it is characterised in that: pass through on the No.1 driving wheel (19) No.1 belt (30) is sequentially connected with No.1 driven wheel (20), is provided with several No.1 engaging tooths on the No.1 driven wheel (20) (21), No.1 driven wheel (20) side is sequentially connected with the connection of No.1 driven wheel bearing by No.1 driven wheel bearing (22) Bar (23), the No.1 driven wheel bearing connecting rod (23) are fixedly mounted on image collecting device base plate (17), and described one No.1 fixed link (24), the No.1 are fixedly installed in number driven wheel (20) side setting image collecting device base plate (17) No. two driven wheels (26), the No.1 fixed link (24) are sequentially connected with by No. two driven wheel bearings (25) in fixed link (24) It is sequentially connected with No. two driven wheel bearings (25), is provided with several No. two engaging tooths (27), institute on No. two driven wheels (26) It states No. two driven wheels (26) to be fixedly connected with No. two driven wheel bearings (25), the size of No. two engaging tooths (27) is greater than No.1 The size of engaging tooth (21) is fixedly connected with acquisition device connecting rod (28) on No. two driven wheel bearings (25), described to adopt Acquisition means connecting rod (28) is sequentially connected by No. two driven wheel bearings (25) and No.1 fixed link (24), and the acquisition device connects It is fixedly connected on extension bar (28) image collecting device (29), described image acquisition device (29) includes camera (33), image Acquisition module (34) and A/D conversion module (35), the camera (33) and image capture module (34) and A/D conversion module (35) it is electrically connected.
4. a kind of Intelligent meter reading device according to claim 3, it is characterised in that: the A/D conversion module (35) with it is micro- Processor (32) is electrically connected, and the microprocessor (32) is arranged in display screen (31) side.
5. a kind of Intelligent meter reading device according to claim 4, it is characterised in that: the cart that the display screen (31) is inlayed On shell (1), the model F5.0LED of the display screen (31).
6. a kind of Intelligent meter reading device according to claim 3, it is characterised in that: the type of described image acquisition module (34) Number be AD7606, the model PCF8591 of the A/D conversion module (35).
7. a kind of Intelligent meter reading device according to claim 4, it is characterised in that: the model of the microprocessor (32) STM32F407ZGT6, the model RER-USBFHD01M of the camera (33).
8. a kind of Intelligent meter reading device according to claim 2, it is characterised in that: the automatically controlled telescopic rod of No.1 (12) with Hollow protection shell (11) junction is provided with guiding shell.
CN201810897776.6A 2018-08-08 2018-08-08 Intelligent meter reading device Expired - Fee Related CN108965820B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810897776.6A CN108965820B (en) 2018-08-08 2018-08-08 Intelligent meter reading device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810897776.6A CN108965820B (en) 2018-08-08 2018-08-08 Intelligent meter reading device

Publications (2)

Publication Number Publication Date
CN108965820A true CN108965820A (en) 2018-12-07
CN108965820B CN108965820B (en) 2020-10-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810897776.6A Expired - Fee Related CN108965820B (en) 2018-08-08 2018-08-08 Intelligent meter reading device

Country Status (1)

Country Link
CN (1) CN108965820B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014130397A (en) * 2012-12-28 2014-07-10 Chugoku Electric Power Co Inc:The Meter-reading handy terminal with movable camera
CN106162081A (en) * 2016-07-13 2016-11-23 国网山东省电力公司博兴县供电公司 A kind of rural power grids meter copying device
CN206698347U (en) * 2017-04-17 2017-12-01 吕晓强 A kind of electricity meter-reading device
CN206790641U (en) * 2017-06-20 2017-12-22 李琳琳 A kind of intelligent meter data recording equipment
CN207661374U (en) * 2017-12-18 2018-07-27 香河恒跃电子科技有限公司 A kind of support device for monitoring camera

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014130397A (en) * 2012-12-28 2014-07-10 Chugoku Electric Power Co Inc:The Meter-reading handy terminal with movable camera
CN106162081A (en) * 2016-07-13 2016-11-23 国网山东省电力公司博兴县供电公司 A kind of rural power grids meter copying device
CN206698347U (en) * 2017-04-17 2017-12-01 吕晓强 A kind of electricity meter-reading device
CN206790641U (en) * 2017-06-20 2017-12-22 李琳琳 A kind of intelligent meter data recording equipment
CN207661374U (en) * 2017-12-18 2018-07-27 香河恒跃电子科技有限公司 A kind of support device for monitoring camera

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Granted publication date: 20201027

Termination date: 20210808