CN112763775A - Electric energy metering and remote monitoring diagnosis device - Google Patents
Electric energy metering and remote monitoring diagnosis device Download PDFInfo
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- CN112763775A CN112763775A CN202011579847.1A CN202011579847A CN112763775A CN 112763775 A CN112763775 A CN 112763775A CN 202011579847 A CN202011579847 A CN 202011579847A CN 112763775 A CN112763775 A CN 112763775A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/17—Compensating for errors; Adjusting or regulating means therefor
- G01R11/18—Compensating for variations in ambient conditions
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Abstract
本发明公开了一种电能计量与远程监测诊断装置，包括装置外壳，所述装置外壳通过弹性卡块与固定架卡合连接，所述固定架四角处均设置有安装孔，所述装置外壳一侧设置有显示屏，所述装置外壳顶端固定连接有进气罩，所述进气罩顶端固定连接有滑轨，所述进气罩和滑轨的一侧固定连接有电机外壳；通过设置固定架和推块，使装置外壳和固定架之间通过弹性卡块进行卡合连接，进而使装置外壳便于进行安装，当需要对装置外壳进行拆卸时，推动装置外壳两侧的推块进行移动，当推块推动到底时，第二推动块将弹性卡块推出卡槽，进而对装置外壳进行拆卸，使装置外壳达到了便于进行拆卸和安装的效果。
The invention discloses an electric energy metering and remote monitoring and diagnosis device, comprising a device casing, the device casing is connected with a fixing frame by means of elastic clamping blocks, and four corners of the fixing frame are provided with installation holes. A display screen is arranged on the side, an air intake cover is fixedly connected to the top of the device shell, a slide rail is fixedly connected to the top of the air intake cover, and a motor shell is fixedly connected to one side of the air intake cover and the slide rail; frame and push block, so that the device shell and the fixed frame are snap-connected by elastic blocks, so that the device shell is easy to install. When the device shell needs to be disassembled, push the push blocks on both sides of the device shell to move, When the push block is pushed to the end, the second push block pushes the elastic block out of the slot, and then disassembles the device casing, so that the device casing achieves the effect of being convenient for disassembly and installation.
Description
Technical Field
The invention belongs to the technical field of electric energy metering and monitoring, and particularly relates to an electric energy metering and remote monitoring diagnosis device.
Background
The electric energy metering device is a metering instrument used for measuring and recording generated energy, supplied (mutually supplied) electric quantity, station service electric quantity, line loss electric quantity and user electric quantity; the electric energy metering device is a whole body which is composed of an electric energy meter (an active electric energy meter, a reactive electric energy meter, a maximum demand meter, a multi-rate electric energy meter and the like), a metering mutual inductor (comprising a voltage mutual inductor and a current mutual inductor) and a secondary connecting wire; therefore, common faults of the electric energy metering device correspondingly comprise mutual inductor faults, secondary circuit faults and electric energy meter faults; the faults of the mutual inductor generally include turn-to-turn short circuit of a certain mutual inductor, high-voltage fuse breakage of the mutual inductor, non-connection of zero lines of the mutual inductor and the like; the secondary circuit faults are usually wiring errors, repeated grounding of a current transformer circuit, secondary line disconnection, secondary line splitting caused by secondary line crust breaking and the like; common faults of the electric energy meter include stop running, inaccurate clock of the electric energy meter, backward running of the electric energy meter, combination errors of a counter, disorder of a memory, damage of a certain phase element of the electric energy meter, battery overdue and the like.
With the development of society, the problem of power quality is more and more concerned by society, and the power quality not only relates to the safe and economic operation of a power grid enterprise, but also influences the safe operation of users and the product quality; access to a large number of distributed energy sources (such as wind and solar power) will further deteriorate the quality of the electrical energy; continuous monitoring and analytical evaluation of power quality information is a prerequisite for finding power quality problems and improving power quality levels. The power quality monitoring system (hereinafter referred to as "monitoring system") utilizes a power quality monitoring terminal (hereinafter referred to as "monitoring terminal") installed on a power grid side or a user side to transmit monitoring data back to a monitoring center (monitoring main station or sub-station) through a network, so that simultaneous monitoring of a plurality of positions is realized, and related information of power quality is distributed, and the power quality monitoring system is an effective means for monitoring and evaluating power quality.
The electric energy metering and monitoring device is a carrier of an electric energy metering and remote monitoring and diagnosing system, plays a role in protecting the electric energy metering and remote monitoring and diagnosing system, often neglects the safety of the electric energy metering and monitoring device in the using process, has simple structure and single function, and is not comprehensive enough to protect the electric energy metering and monitoring system, so the electric energy metering and remote monitoring and diagnosing device is needed.
Disclosure of Invention
The technical problem to be solved by the present invention is to overcome the existing defects, and to provide an electric energy metering and remote monitoring diagnostic device, so as to solve the problems that the existing electric energy metering and monitoring device proposed in the background art has a simple structure, a single function, and insufficient overall protection for an electric energy metering and monitoring system.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an electric energy measurement and remote monitoring diagnostic device, includes the device shell, the device shell passes through the elasticity fixture block and is connected with the mount block, mount four corners department all is provided with the mounting hole, device shell one side is provided with the display screen, device shell top fixedly connected with suction hood, suction hood top fixedly connected with slide rail, one side fixedly connected with motor housing of suction hood and slide rail, the equal sliding connection in device shell both sides has the ejector pad, the inside circuit board that is provided with of device shell, one side that the display screen was kept away from to the circuit board is provided with first heat absorption board, first heat absorption board bottom fixedly connected with second heat absorption board, second heat absorption board bottom is provided with radiator fan, the inside brush board that is provided with of suction hood.
Preferably, the direction that the mount was kept away from to the cover inboard that admits air has set gradually first protection network, dustproof cloth, dampproof course, heating otter board and temperature sensor, it is provided with the vent to admit air the cover bottom and be located temperature sensor's below.
Preferably, the inner side of the sliding rail is rotatably connected with a lead screw, the outer side of the lead screw is in threaded connection with a sliding block, one end of the lead screw, which is located on the outer side of the sliding rail, is fixedly connected with a first bevel gear, and the bottom end of the sliding block is fixedly connected with a brush plate.
Preferably, a driving motor is fixedly connected inside the motor housing, a second bevel gear is fixedly connected at an output end of the driving motor, the second bevel gear is meshed with the first bevel gear, and the first bevel gear and the second bevel gear are both located inside the motor housing.
Preferably, a heat conducting rubber mat is arranged between the circuit board and the first heat absorption plate, the heat dissipation fan is located on the inner side of the air outlet cylinder, and a second protective net is fixedly connected to the inner side of the lower end of the air outlet cylinder.
Preferably, a sliding rod is fixedly connected to one side of the pushing block, the sliding rod is located on the inner side of the device shell, one end, located inside the device shell, of the sliding rod is rotatably connected with a connecting rod, and the other end of the connecting rod is rotatably connected with a first pushing block.
Preferably, the device shell both sides all are provided with the draw-in groove, the inboard sliding connection of draw-in groove has the second to promote the piece, the second promotes one side that the piece is close to the circuit board and promotes piece sliding connection with first.
Preferably, the brush plate is located between the first protective net and the dustproof cloth, and the brush surface of the brush plate is in contact with the dustproof cloth.
Preferably, the inside control module that is provided with of device shell, display screen and temperature sensor all pass through wire and control module electric connection, temperature sensor's model is LM20BIM7X NOPB.
Preferably, the outside of the sliding rod is symmetrically and rotatably connected with a connecting rod, the other end of the connecting rod is rotatably connected with a first pushing block, the first pushing block is slidably connected with a second pushing block, and the contact surface of the first pushing block and the second pushing block is an inclined surface.
Compared with the prior art, the invention provides an electric energy metering and remote monitoring diagnosis device, which has the following beneficial effects:
1. according to the invention, the fixing frame and the pushing block are arranged, so that the device shell is clamped and connected with the fixing frame through the elastic clamping block, the device shell is convenient to mount;
2. according to the invention, the air inlet cover is arranged, air outside the device shell enters from the air inlet cover, the first protective net on the inner side of the air inlet cover plays a role in protecting dustproof cloth, the dustproof cloth on the inner side of the air inlet cover filters fine dust floating in the air, so that pollution to the interior of the device shell is reduced, the moisture-proof layer on the inner side of the air inlet cover preliminarily dries the filtered air, the moisture of the air is reduced, the air is heated under the action of the heating screen plate, and is dried while being heated, so that the effect of preventing the device from being wetted while heat is radiated is ensured;
3. according to the invention, by arranging the first heat absorption plate and the second heat absorption plate, in the daily use process, heat generated by the circuit board is transferred to the first heat absorption plate and the second heat absorption plate under the action of the heat conduction rubber pad, and then the heat is dissipated by the heat dissipation fan at the bottom end of the second heat absorption plate, so that the effect of dissipating heat inside the shell of the device is achieved;
4. according to the dustproof cloth, the brush plate is arranged, the lead screw drives the sliding block on the outer side of the lead screw to slide on the inner side of the sliding rail, the sliding block drives the brush plate at the bottom end of the lead screw to move on the surface of the dustproof cloth, and therefore tiny dust on the outer side of the dustproof cloth is cleaned through the brush plate, the cleanliness of the dustproof cloth is guaranteed, and the filtering efficiency and the filtering effect of the dustproof cloth are improved.
The device has the advantages that the structure is scientific and reasonable, the use is safe and convenient, and great help is provided for people.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
fig. 1 is a schematic perspective view of an electric energy metering and remote monitoring and diagnosing apparatus according to the present invention;
fig. 2 is a schematic diagram of an internal structure of a device housing in an electric energy metering and remote monitoring and diagnosing apparatus according to the present invention;
fig. 3 is a schematic structural diagram of a fixing frame in an electric energy metering and remote monitoring and diagnosing apparatus according to the present invention;
FIG. 4 is a schematic top cross-sectional view of an air inlet hood of an electrical energy metering and remote monitoring and diagnosing apparatus according to the present invention;
fig. 5 is a schematic cross-sectional structural view of a slide rail in the electric energy metering and remote monitoring and diagnosing apparatus according to the present invention;
FIG. 6 is a schematic diagram of an internal structure of a motor housing of the electric energy metering and remote monitoring and diagnosing apparatus according to the present invention;
FIG. 7 is a schematic diagram of an internal side view of a housing of an apparatus for electric energy metering and remote monitoring and diagnosis according to the present invention;
FIG. 8 is an enlarged view of A in FIG. 2;
in the figure: the device comprises a device shell 1, an elastic clamping block 2, a fixing frame 3, a mounting hole 4, a display screen 5, an air inlet cover 6, a sliding rail 7, a motor shell 8, a push block 9, a circuit board 10, a first protective screen 11, dustproof cloth 12, a moisture-proof layer 13, a heating screen 14, a temperature sensor 15, a lead screw 16, a sliding block 17, a first bevel gear 18, a second bevel gear 19, a driving motor 20, a first heat absorbing plate 21, a heat conducting rubber pad 22, a second heat absorbing plate 23, a heat radiating fan 24, an air outlet cylinder 25, a second protective screen 26, a brush plate 27, a sliding rod 28, a connecting rod 29, a first push block 30, a second push block 31 and a clamping groove 32.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-8, the present invention provides a technical solution: an electric energy metering and remote monitoring diagnosis device comprises a device shell 1, the device shell 1 is connected with a fixed frame 3 in a clamping way through an elastic clamping block 2, four corners of the fixed frame 3 are respectively provided with a mounting hole 4, one side of the device shell 1 is provided with a display screen 5, the top end of the device shell 1 is fixedly connected with an air inlet cover 6, the top end of the air inlet cover 6 is fixedly connected with a slide rail 7, one sides of the air inlet cover 6 and the slide rail 7 are fixedly connected with a motor shell 8, two sides of the device shell 1 are respectively and slidably connected with a push block 9, a circuit board 10 is arranged in the device shell 1, one side of the circuit board 10 far away from the display screen 5 is provided with a first heat absorption plate 21, the bottom end of the first heat absorption plate 21 is fixedly connected with a second heat absorption plate 23, the bottom end of the second heat absorption plate 23 is provided with a heat dissipation fan 24, a brush, and then make device shell 1 be convenient for install, when needs dismantle device shell 1, the ejector pad 9 of 1 both sides of thrust unit shell moves, and when ejector pad 9 promoted to the end, elasticity fixture block 2 was released, and then dismantles device shell 1, makes device shell 1 reach the effect of being convenient for dismantle and install.
The working principle and the using process of the invention are as follows: when the device is used, the fixing frame 3 is fixed through the mounting hole 4, then the device shell 1 and the fixing frame 3 are clamped and connected through the elastic clamping block 2, and further the device shell 1 is convenient to mount, in the daily use process, heat generated by the circuit board 10 is transferred to the first heat absorption plate 21 and the second heat absorption plate 23, then the heat is dissipated through the heat dissipation fan 24 at the bottom end of the second heat absorption plate 23, and further the effect of dissipating heat inside the device shell 1 is achieved, after air inside the device shell 1 and the heat are blown out by the heat dissipation fan 24 together, air outside the device shell 1 enters from the air inlet cover 6, after long-time use, the driving motor 20 inside the motor shell 8 drives the brush plate 27 to move, and further, micro dust is cleaned through the brush plate 27, when the device shell 1 needs to be dismounted, the pushing blocks 9 on two sides of the device shell 1 are pushed to move, when the push block 9 pushes to the bottom, the elastic clamping block 2 relieves the restriction between the device shell 1 and the fixing frame 3, and then the device shell 1 is disassembled, so that the device shell 1 achieves the effect of being convenient to disassemble and assemble.
Example two
Referring to fig. 1-8, the present invention provides a technical solution: an electric energy metering and remote monitoring diagnosis device comprises a device shell 1, the device shell 1 is connected with a fixed frame 3 in a clamping way through an elastic clamping block 2, four corners of the fixed frame 3 are respectively provided with a mounting hole 4, one side of the device shell 1 is provided with a display screen 5, the top end of the device shell 1 is fixedly connected with an air inlet cover 6, the top end of the air inlet cover 6 is fixedly connected with a slide rail 7, one sides of the air inlet cover 6 and the slide rail 7 are fixedly connected with a motor shell 8, two sides of the device shell 1 are respectively and slidably connected with a push block 9, a circuit board 10 is arranged in the device shell 1, one side of the circuit board 10 far away from the display screen 5 is provided with a first heat absorption plate 21, the bottom end of the first heat absorption plate 21 is fixedly connected with a second heat absorption plate 23, the bottom end of the second heat absorption plate 23 is provided with a heat dissipation fan 24, a brush, and then make device shell 1 be convenient for install, when needs dismantle device shell 1, the ejector pad 9 of 1 both sides of thrust unit shell moves, and when ejector pad 9 promoted to the end, elasticity fixture block 2 was released, and then dismantles device shell 1, makes device shell 1 reach the effect of being convenient for dismantle and install.
In the invention, preferably, a first protective screen 11, dustproof cloth 12, a moisture-proof layer 13, a heating screen plate 14 and a temperature sensor 15 are sequentially arranged in the direction away from the fixed frame 3 at the inner side of the air inlet hood 6, a vent is arranged at the bottom end of the air inlet hood 6 below the temperature sensor 15, air outside the device shell 1 enters from the air inlet hood 6 by arranging the air inlet hood 6, the first protective screen 11 at the inner side of the air inlet hood 6 plays a role in protecting the dustproof cloth 12, the dustproof cloth 12 at the inner side of the air inlet hood 6 filters fine dust floating in the air, so that pollution to the interior of the device shell 1 is reduced, the moisture-proof layer 13 at the inner side of the air inlet hood 6 primarily dries the filtered air, reduces moisture of the air, heats the air under the action of the heating screen plate 14, and monitors the temperature of the heating screen plate 14 under the action of the temperature sensor 15, prevent that heating screen plate 14 heating temperature is too high to influence the radiating effect to and when the outside air temperature is lower, cause the effect of weing to device shell 1 inside, and then guaranteed when the heat dissipation, can also prevent the device effect of weing.
In the present invention, preferably, a lead screw 16 is rotatably connected to the inner side of the slide rail 7, a slider 17 is threadedly connected to the outer side of the lead screw 16, a first bevel gear 18 is fixedly connected to one end of the lead screw 16 located on the outer side of the slide rail 7, a brush plate 27 is fixedly connected to the bottom end of the slider 17, and the first bevel gear 18 drives the lead screw 16 on one side to rotate on the inner side of the slide rail 7, so that the lead screw 16 drives the slider 17 on the outer side to slide on the inner side of the slide rail 7, and further the slider 17 drives the brush plate 27 on the bottom.
In the present invention, preferably, a driving motor 20 is fixedly connected inside the motor housing 8, an output end of the driving motor 20 is fixedly connected with a second bevel gear 19, the second bevel gear 19 is engaged with the first bevel gear 18, and both the first bevel gear 18 and the second bevel gear 19 are located inside the motor housing 8.
In the present invention, preferably, a heat conducting rubber pad 22 is disposed between the circuit board 10 and the first heat absorbing plate 21, the heat dissipating fan 24 is located inside the air outlet cylinder 25, and a second protective screen 26 is fixedly connected to the inside of the lower end of the air outlet cylinder 25, after a long time use, the driving motor 20 inside the motor housing 8 drives the second bevel gear 19 to rotate, so that the second bevel gear 19 drives the first bevel gear 18 to rotate, thereby providing power for the movement of the slider 17.
In the present invention, preferably, one side of the pushing block 9 is fixedly connected with a sliding rod 28, the sliding rod 28 is located inside the device housing 1, one end of the sliding rod 28 located inside the device housing 1 is rotatably connected with a connecting rod 29, the other end of the connecting rod 29 is rotatably connected with a first pushing block 30, when the device housing 1 needs to be disassembled, the pushing blocks 9 on both sides of the pushing device housing 1 move, the pushing block 9 drives the sliding rod 28 to slide in a direction close to the fixed frame 3, so that the sliding rod 28 pushes the connecting rod 29 to rotate, and as an opening angle between the connecting rods 29 increases, the first pushing block 30 on the other end of the connecting rod 29 slides to a second pushing block 31 under the pushing action.
In the invention, preferably, the two sides of the device shell 1 are both provided with the clamping grooves 32, the inner sides of the clamping grooves 32 are slidably connected with the second pushing block 31, one side of the second pushing block 31 close to the circuit board 10 is slidably connected with the first pushing block 30, so that the first pushing block 30 pushes the second pushing block 31 to slide on the inner sides of the clamping grooves 32, the second pushing block 31 extrudes the elastic fixture block 2, the elastic fixture block 2 is retracted, when the pushing block 9 pushes the elastic fixture block 2 out of the clamping grooves 32, and the device shell 1 is further disassembled, so that the device shell 1 achieves the effect of being convenient to disassemble and assemble.
In the invention, preferably, the brush plate 27 is located between the first protection net 11 and the dustproof cloth 12, and the brush surface of the brush plate 27 is in contact with the dustproof cloth 12, so that the slide block 17 drives the brush plate 27 at the bottom end of the slide block to move on the surface of the dustproof cloth 12, and then the brush plate 27 cleans the tiny dust on the outer side of the dustproof cloth 12, thereby ensuring the cleanliness of the dustproof cloth 12 and further improving the filtering efficiency and the filtering effect of the dustproof cloth 12.
In the invention, preferably, a control module is arranged in the device shell 1, the display screen 5 and the temperature sensor 15 are both electrically connected with the control module through wires, the model of the temperature sensor 15 is LM20BIM7X/NOPB, the temperature of the heating screen plate 14 is monitored under the action of the temperature sensor 15, the influence of overhigh heating temperature of the heating screen plate 14 on the heat dissipation effect is prevented, and when the outside air temperature is lower, the inside of the device shell 1 is affected with damp, so that the heat dissipation effect is ensured, the damp effect of the device can be prevented, and information is displayed through the display screen 5.
In the invention, preferably, the outer sides of the sliding rods 28 are symmetrically and rotatably connected with the connecting rods 29, the other ends of the connecting rods 29 are rotatably connected with the first pushing blocks 30, the first pushing blocks 30 are slidably connected with the second pushing blocks 31, the contact surfaces of the first pushing blocks 30 and the second pushing blocks 31 are inclined surfaces, when the first pushing blocks 30 push the second pushing blocks 31, the inclined surfaces between the first pushing blocks 30 and the second pushing blocks 31 enable the first pushing blocks 30 to push the second pushing blocks 31 to slide on the inner sides of the clamping grooves 32, and meanwhile, the structure is more compact.
The working principle and the using process of the invention are as follows: when the device is used, the fixing frame 3 is fixed through the mounting hole 4, then the device shell 1 and the fixing frame 3 are clamped and connected through the elastic clamping block 2, so that the device shell 1 is convenient to mount, in the daily use process, heat generated by the circuit board 10 is transferred to the first heat absorption plate 21 and the second heat absorption plate 23 under the action of the heat conduction rubber mat 22, then the heat is dissipated through the heat dissipation fan 24 at the bottom end of the second heat absorption plate 23, and further the effect of dissipating heat inside the device shell 1 is achieved, the heat dissipation fan 24 is positioned on the inner side of the air outlet cylinder 25, the second protective net 26 on the inner side of the air outlet cylinder 25 plays a protective role on the heat dissipation fan 24, when air and heat inside the device shell 1 are blown out by the heat dissipation fan 24 together, air outside the device shell 1 enters from the air inlet hood 6, and the first protective net 11 on the inner side of the air inlet hood 6 plays a protective role on, the dustproof cloth 12 inside the air inlet cover 6 filters the micro dust floating in the air, so as to reduce the pollution to the inside of the device shell 1, the moisture-proof layer 13 inside the air inlet cover 6 primarily dries the filtered air, so as to reduce the humidity of the air, finally, under the action of the heating screen plate 14 inside the air inlet cover 6, the air is heated, the air is dried while being heated, the temperature of the heating screen plate 14 is monitored under the action of the temperature sensor 15, so as to prevent the heat dissipation effect from being influenced by the overhigh heating temperature of the heating screen plate 14, and when the outside air temperature is lower, the inside of the device shell 1 is affected with damp, so as to ensure the heat dissipation effect and prevent the device from being affected with damp, and after long-time use, the driving motor 20 inside the motor shell 8 drives the second bevel gear 19 to rotate, so as to drive the first bevel gear 18 to rotate, the first bevel gear 18 drives the lead screw 16 on one side to rotate on the inner side of the slide rail 7, so that the lead screw 16 drives the slide block 17 on the outer side to slide on the inner side of the slide rail 7, and further the slide block 17 drives the brush plate 27 at the bottom end to move on the surface of the dustproof cloth 12, and further the brush plate 27 cleans the tiny dust on the outer side of the dustproof cloth 12, thereby ensuring the cleanliness of the dustproof cloth 12, and further improving the filtering efficiency and the effect of the dustproof cloth 12, when the device shell 1 needs to be disassembled, the push blocks 9 on two sides of the pushing device shell 1 move, the push blocks 9 drive the slide bars 28 to slide towards the direction close to the fixed frame 3, so that the slide bars 28 push the connecting rods 29 to rotate, and along with the increase of the opening angle between the connecting rods 29, the first push block 30 at the other end of the connecting rods 29 slides towards the second push block 31 under the pushing action, so that the first push block 30 pushes the second push block 31 to, the second promotes piece 31 and extrudes elasticity fixture block 2, makes elasticity fixture block 2 withdraw, and when ejector pad 9 promoted to the end, the second promoted piece 31 and promoted elasticity fixture block 2 release draw-in groove 32, and then dismantles device shell 1, makes device shell 1 reach the effect of being convenient for dismantle and install.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
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| CN202011579847.1A CN112763775A (en) | 2020-12-28 | 2020-12-28 | Electric energy metering and remote monitoring diagnosis device |
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| CN202011579847.1A CN112763775A (en) | 2020-12-28 | 2020-12-28 | Electric energy metering and remote monitoring diagnosis device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115656913A (en) * | 2022-11-21 | 2023-01-31 | 国网甘肃省电力公司营销服务中心 | On-site monitoring device for metering of intelligent electric energy meter |
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| CN210863810U (en) * | 2019-08-20 | 2020-06-26 | 杭州南格电子科技有限公司 | Electronic load convenient to freely assemble |
| CN211206592U (en) * | 2019-10-12 | 2020-08-07 | 内蒙古中电联合电力技术有限公司 | External protection architecture of ammeter for electric energy monitoring |
| CN211453772U (en) * | 2019-12-12 | 2020-09-08 | 广州吉科电气设备有限公司 | Low-voltage electric equipment alternating-current intelligent electric quantity monitoring device |
| CN211402503U (en) * | 2019-12-24 | 2020-09-01 | 广西电力职业技术学院 | Electric energy metering box with dampproofing function |
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| CN115656913A (en) * | 2022-11-21 | 2023-01-31 | 国网甘肃省电力公司营销服务中心 | On-site monitoring device for metering of intelligent electric energy meter |
| CN115656913B (en) * | 2022-11-21 | 2023-03-03 | 国网甘肃省电力公司营销服务中心 | An on-site monitoring device for smart electric energy meter measurement |
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Application publication date: 20210507 |