CN110568237A - Small-size electric quantity metering box - Google Patents

Small-size electric quantity metering box Download PDF

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Publication number
CN110568237A
CN110568237A CN201910989304.8A CN201910989304A CN110568237A CN 110568237 A CN110568237 A CN 110568237A CN 201910989304 A CN201910989304 A CN 201910989304A CN 110568237 A CN110568237 A CN 110568237A
Authority
CN
China
Prior art keywords
assembly
box
box body
small
protection
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
CN201910989304.8A
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Chinese (zh)
Other versions
CN110568237B (en
Inventor
魏建荣
刘灵蛟
何海生
叶学时
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.)
Guangdong Power Grid Co Ltd
Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Power Grid Co Ltd
Dongguan Power Supply Bureau of Guangdong Power Grid 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 Guangdong Power Grid Co Ltd, Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Guangdong Power Grid Co Ltd
Priority to CN201910989304.8A priority Critical patent/CN110568237B/en
Publication of CN110568237A publication Critical patent/CN110568237A/en
Application granted granted Critical
Publication of CN110568237B publication Critical patent/CN110568237B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/02Constructional details
    • G01R11/04Housings; Supporting racks; Arrangements of terminals

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The invention discloses a small-sized electric quantity metering box, which comprises a box body, a plurality of mounting plates fixedly arranged in the box body, an electric meter fixedly arranged on the mounting plates and a protection assembly which is arranged corresponding to the mounting plates and used for protecting the electric meter, wherein the protection assembly comprises a plurality of protection covers which are mutually connected through connecting columns and are arranged in the box body through tension springs, a control assembly used for controlling the motion of the protection covers is also arranged in the box body, when a temperature sensor detects abnormal temperature, the protection assembly can be controlled through the arranged control assembly to cover the electric meter, further, the preliminary fire extinguishing and the protection of other equipment can be realized through an isolation mode, the economic damage caused when spontaneous combustion occurs in metering can be effectively reduced, and further, after the electric meter is covered, a spray trigger assembly can control a spray head to spray fire extinguishing agent to thoroughly extinguish the box body, the practicability is stronger.

Description

Small-size electric quantity metering box
Technical Field
The embodiment of the invention relates to the technical field of metering boxes, in particular to a small-sized electric quantity metering box.
Background
The metering box is a combination of a combined mutual inductor, a measuring instrument and an instrument. The metering box is the total of metering devices and auxiliary equipment necessary for metering electric energy, and comprises an electric energy meter, a voltage for metering, a current transformer and a secondary circuit thereof, an electric energy metering screen, a cabinet, a box and the like.
The environment of its installation of present batch meter in order to satisfy the demand of using is various, and in long-time use, the ageing of cable causes the spontaneous combustion very easily, and current batch meter does not have the measure of protection, and it is when natural, can be because of the environment of installation is various, and makes the processing that can be timely of staff hardly, and then can cause burning of a large amount of equipment, and it is inconvenient to use.
Disclosure of Invention
therefore, the embodiment of the invention provides a small-sized electric quantity metering box, which aims to solve the problem that in the prior art, when the metering box is spontaneously combusted, a large amount of equipment is easily burnt due to untimely handling of workers.
in order to achieve the above object, an embodiment of the present invention provides the following:
A small-sized electricity metering box comprises a box body, a plurality of mounting plates fixedly mounted in the box body, an electricity meter fixedly mounted on the mounting plates, and a protection assembly which is arranged corresponding to the mounting plates and used for protecting the electricity meter, wherein the protection assembly comprises a plurality of protection covers which are mutually connected through connecting columns and are mounted in the box body through tension springs;
The control assembly includes control shaft, temperature sensor and with temperature sensor electric connection's driving motor, the control shaft rotates to be connected on the box lateral wall through the screw thread and is used for spacing the safety cover, driving motor sets up the one side at the control shaft, just driving motor passes through gear drive and control shaft and is connected.
as a preferable scheme of the invention, one end of the control shaft, which is far away from the box body, is provided with a rotating disc.
As a preferable mode of the present invention, a caulking groove is formed at a position of the protection cover corresponding to the mounting plate.
As a preferred scheme of the invention, a buffering component for buffering the movement speed of the protective cover is further arranged in the box body, the buffering component comprises a buffering air cylinder which is fixed on the side wall of the box body and sleeved on the connecting column, the bottom of the buffering air cylinder is provided with a plurality of vent holes, and the connecting column is provided with a piston block matched with the buffering air cylinder.
In a preferred embodiment of the present invention, the diameter of the opening of the buffer cylinder is larger than the diameter of the piston block.
As a preferable scheme of the invention, a plurality of partition plates for separating two adjacent electric meters are arranged in the protective cover, and a safety protection assembly which is pushed by the electric meters and is used for extinguishing fire is also arranged between two adjacent partition plates.
As a preferable scheme of the invention, the safety protection assembly comprises a mounting groove formed on the protection cover and a storage box used for storing the fire extinguishing agent, the storage box is rotatably connected in the mounting groove through a torsion spring, and a spraying triggering assembly used for controlling the spraying of the fire extinguishing agent is further arranged on the storage box.
As a preferable aspect of the present invention, the spray trigger assembly includes a valve, a spray head controlled by the valve, and a fixing block, a control rack engaged with the valve by a gear is provided at one side of the spray head, the fixing block is provided at one side of the mounting groove away from a rotation point of the mounting storage box, and the fixing block is connected with the control rack by a connection rope.
As a preferable scheme of the present invention, the mounting plate is provided with an isolation groove corresponding to the partition plate.
In a preferred embodiment of the present invention, the storage box has a hollow fan-shaped cylindrical structure.
the embodiment of the invention has the following advantages:
When the temperature sensor detects that the temperature is abnormal, the protection assembly can be controlled by the control assembly to cover the electric meter, preliminary fire extinguishing and protection for other equipment can be further realized in an isolation mode, economic damage caused by spontaneous combustion during metering can be effectively reduced, and after the electric meter is further covered, the sprinkler head can be controlled by the sprinkling triggering assembly to sprinkle fire extinguishing agents to thoroughly extinguish fire of the metering box, so that the practicability is higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
the structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic side view of an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a cushion assembly according to an embodiment of the present invention;
FIG. 4 is a perspective view of a shield in an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of the structure at A in FIG. 1;
Fig. 6 is an enlarged view of a portion B of fig. 2.
In the figure:
1-mounting a plate; 2-an ammeter; 3-a protective component; 4-a control component; 5-a box body; 6-a buffer component; 7-a safety shield assembly; 8-a spray trigger assembly;
301-connecting column; 302-a protective cover; 303-caulking groove; 304-a separator; 305-an isolation trench;
401-control axis; 402-a drive motor; 403-rotating disk; 404-a temperature sensor;
601-buffer air cylinder; 602-a vent; 603-a piston block;
701-installing a groove; 702-a storage box;
801-a valve; 802-a sprinkler head; 803-fixed block; 804-control rack.
Detailed Description
the present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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.
As shown in fig. 1 to 6, the invention provides a small-sized electricity metering box, which comprises a box body 5, a plurality of mounting plates 1 fixedly arranged inside the box body 5, an electricity meter 2 fixedly arranged on the mounting plates 1, and a protection assembly 3 arranged corresponding to the mounting plates 1 and used for protecting the electricity meter 2, wherein the mounting plates 1 are preferably made of metal materials coated with insulating paint, through grooves used for connecting cables with the electricity meter 2 are formed in the mounting plates 1, namely, when in use, the cables connected with the electricity meter 2 can be arranged on the back, so that the problem of electric shock easily caused by reading and writing the data of the electricity meter 2 by workers can be avoided, the protection assembly 3 comprises a plurality of protective covers 302 which are mutually connected through connecting posts 301 and arranged inside the box body 5 through tension springs, and after all the protective covers 302 are connected together through the connecting posts 301 in use, the protective covers can be used as a whole, all the protective covers 302 can move together under the action of the tension springs during the movement of the metering box, the problem that all the electric meters cannot be protected in time when the metering box spontaneously ignites can be effectively solved, and the control assembly 4 for controlling the movement of the protective covers 302 is further arranged inside the box body 5.
In addition, the insertion groove 303 is formed at a position where the protection cover 302 corresponds to the mounting plate 1, so that the protection cover 302 is conveniently inserted into the mounting plate 1, and after the protection cover 302 is inserted into the mounting plate 1, the ammeter 2 can be protected, and similarly, other electric components can be mounted on the mounting plate 1, and various components mounted inside the box 5 can be protected.
As shown in fig. 1 and 5, the control assembly 4 includes a control shaft 401 connected to the side wall of the casing 5 by screw thread rotation for limiting the protection cover 302, a temperature sensor 404 and a driving motor 402 electrically connected to the temperature sensor 404, the driving motor 402 is disposed at one side of the control shaft 401, and the driving motor 402 is connected to the control shaft 401 by gear transmission, the driving motor 402 and the temperature sensor 404 are preferably dual-power supply, i.e. power is supplied by external power under normal conditions, and power is supplied by a storage battery under power failure, the storage battery can adopt floating technology, floating charging is a supplying (discharging) electric operation mode of the storage battery, the system connects the storage battery and a power circuit to a load circuit in parallel, the voltage of the storage battery is substantially constant and is only slightly higher than the terminal voltage of the storage battery, and the loss of the storage battery local action is compensated by a small amount of current supplied by the power circuit, so that it can be constantly maintained in a charge satisfying state without being overcharged.
in addition, the control shaft 401 is provided with the rolling disc 403 far away from the one end of box 5, when control assembly 4 goes wrong and can't make the batch meter when appearing spontaneous combustion and moving promptly, accessible rolling disc 403 drives the motion of control shaft 401, and it can be as a reserve precaution, and control shaft 401 carries out the motion with the pivoted mode, consequently reduces its problem that the maloperation appears when using greatly, and its security is higher.
it is when using, detect the temperature in the box 5 through temperature sensor 404 promptly, when detecting the temperature anomaly, then start driving motor 402, driving motor 402 rotates then can drive the motion of control shaft 401 through gear drive, because the screwed existence, consequently it can be through the gradual control to protection component 3 that breaks away from of pivoted mode, further then can be under the effect of extension spring, can make safety cover 302 cover ammeter 2, the realization is to the isolation between the 5 internal plant of box, can effectual reduction when appearing the spontaneous combustion, the economic loss that it caused, the practicality is stronger.
As shown in fig. 1 and 3, a buffer assembly 6 for buffering the movement speed of the protective cover 302 is further disposed in the box body 5, the buffer assembly 6 includes a buffer air cylinder 601 fixed to a side wall of the box body 5 and sleeved on the connection column 301, a plurality of vent holes 602 are disposed at a bottom of the buffer air cylinder 601, and a piston block 603 matched with the buffer air cylinder 601 is disposed on the connection column 301.
When the electric meter is used, the movement of the connecting column 301 can drive the piston block 603 to move, when the piston block 603 moves into the buffer air cylinder 601, air in the buffer air cylinder 601 can be extruded and discharged from the vent hole 602, and the movement speed of the piston block 603 can be delayed under the condition of unchanged force due to the fixed diameter of the vent hole 602, so that the problem that the electric meter 2 is easily damaged because the protective cover 302 directly impacts the mounting plate 1 due to too high movement speed can be avoided when the electric meter is used.
It should be added that the diameter of the opening of the buffer cylinder 601 is larger than the diameter of the piston block 603, that is, when the protective cover 302 moves, the connecting column 301 will be driven to move, when the connecting column 301 moves, the piston block 603 will be embedded into the buffer cylinder 601, when the piston block 603 moves, the diameter of the opening of the buffer cylinder 601 is larger than the diameter of the piston block 603, so as to avoid the problem that the piston block 603 will be jammed when being embedded into the buffer cylinder 601, in addition, in order to further improve the smooth degree of the piston block 603, one side of the piston block 603 close to the buffer cylinder 601 can be a conical structure, which can effectively reduce the jamming probability, and the practicability is stronger.
As shown in fig. 1, 2 and 4, a plurality of partition plates 304 for partitioning two adjacent electric meters 2 are arranged in the protection cover 302, and a safety protection assembly 7 which is pushed by the electric meters 2 and is used for extinguishing fire is further arranged between the two adjacent partition plates 304, the safety protection assembly 7 comprises a mounting groove 701 arranged on the protection cover 302 and a storage box 702 for storing fire extinguishing agent, the storage box 702 is rotatably connected in the mounting groove 701 through a torsion spring, a spray trigger assembly 8 for controlling the spraying of the fire extinguishing agent is further arranged on the storage box 702, the storage box 702 is of a hollow fan-shaped cylindrical structure, and when the protection cover 302 covers the electric meters 2, the electric meters 2 can be ejected out by the electric meters 2, so that the purpose of spraying the fire extinguishing agent is achieved, and at ordinary times, because the storage box 702 is retracted into the protection cover 302, accidents can be effectively reduced during long-term storage, thereby causing the problem of fire extinguishing agent leakage and having stronger practicability.
safety protection subassembly 7 protection component mainly used is after protection subassembly 3 acts, owing to there is ammeter 2's hindrance, then can jack-up storage box 702 realize spraying trigger subassembly 8 and act, then can spray out the fire extinguishing agent further, come to carry out thorough putting out a fire to box 5 inside, before the blowout fire extinguishing agent puts out a fire, because ammeter 2 contracts to in the safety cover 302, consequently can avoid when spraying the fire extinguishing agent, fire extinguishing agent contact ammeter 2, and cause ammeter 2 by the problem of corruption, its convenience that can be more of using.
as shown in fig. 1, 2, 4 and 6, the spray trigger assembly 8 includes a valve 801, a spray head 802 controlled by the valve 801, and a fixing block 803, a control rack 804 coupled to the valve 801 by gear engagement is provided at one side of the spray head 802, the fixing block 803 is provided at one side of the mounting groove 701 away from a rotation point of the mounting cartridge 702, and the fixing block 803 is coupled to the control rack 804 by a coupling string.
during the use, ammeter 2 withstands storage box 702, can make storage box 702 atress and rotatory certain angle under the effort of protective cover 302, after it is rotatory to certain angle, can be because the length problem of connecting the rope, and pull control rack 804 and move, control rack 804 moves the back, then can drive valve 801 through the meshing of wheel and rack and open, finally realizes spraying the purpose that the fire extinguishing agent put out a fire.
The mounting panel 1 is provided with the isolation groove 305 corresponding to the partition plate 304, and when the protection cover 302 covers the electric meter 2, the isolation groove can be meshed with the partition plate 304, so that two adjacent electric meters 2 can be effectively isolated, the situation that the fire of one of the electric meters 2 is easily spread to other electric equipment after being ignited can be avoided, and the practicability is higher.
its holistic use does, temperature sensor 404 detects the temperature in the box 5, further drive the motion of control shaft 401 according to temperature information control driving motor 402, realize breaking away from the fixed to protection subassembly 3, protection subassembly 3 breaks away from fixed then can cover ammeter 2 under the effect of extension spring, and then cover ammeter 2 through protection cover 302, realize the preliminary isolation to electrical equipment, at this in-process, ammeter 2 can jack-up storage box 702, storage box 702 rotates then can drive the motion of control rack 804 through connecting the rope, and then valve 802 is opened to accessible control rack 804, further realize carrying out comprehensive putting out a fire to box 5.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (10)

1. The small-sized electric quantity metering box is characterized by comprising a box body (5), a plurality of mounting plates (1) fixedly mounted in the box body (5), an electric meter (2) fixedly mounted on the mounting plates (1) and a protection assembly (3) which corresponds to the mounting plates (1) and is used for protecting the electric meter (2), wherein the protection assembly (3) comprises a plurality of protective covers (302) which are mutually connected together through connecting columns (301) and are mounted in the box body (5) through tension springs, and a control assembly (4) used for controlling the movement of the protective covers (302) is further arranged in the box body (5);
Control assembly (4) include control shaft (401), temperature sensor (404) and with temperature sensor (404) electric connection's driving motor (402), control shaft (401) rotate through the screw thread to be connected on box (5) lateral wall and be used for carrying on spacingly to safety cover (302), driving motor (402) set up the one side at control shaft (401), just driving motor (402) are connected with control shaft (401) through gear drive.
2. A compact fuel gauge according to claim 1, characterized in that the control shaft (401) is provided with a turning disc (403) at the end remote from the housing (5).
3. The small-sized electricity metering box of claim 1, characterized in that the protective cover (302) is provided with a caulking groove (303) at a position corresponding to the mounting plate (1).
4. The small-sized electricity metering box of claim 1, characterized in that a buffer assembly (6) for buffering the movement speed of the protective cover (302) is further arranged in the box body (5), the buffer assembly (6) comprises a buffer air cylinder (601) fixed on the side wall of the box body (5) and sleeved on the connecting column (301), the bottom of the buffer air cylinder (601) is provided with a plurality of vent holes (602), and a piston block (603) matched with the buffer air cylinder (601) is arranged on the connecting column (301).
5. The small-sized electricity metering box of claim 4, wherein the diameter of the opening of the buffer air cylinder (601) is larger than that of the piston block (603).
6. A small-sized electricity metering box according to claim 1, characterized in that a plurality of partition plates (304) for separating two adjacent electricity meters (2) are arranged in the protective cover (302), and a safety protection assembly (7) which is pushed by the electricity meters (2) and is used for extinguishing fire is arranged between two adjacent partition plates (304).
7. A small-sized electricity metering box according to claim 6, characterized in that said safety shield assembly (7) comprises a mounting groove (701) opened on the protection cover (302) and a storage box (702) for storing fire extinguishing agent, said storage box (702) is rotatably connected in the mounting groove (701) by a torsion spring, and a spray trigger assembly (8) for controlling the spray of fire extinguishing agent is further provided on said storage box (702).
8. A small-sized electricity metering box according to claim 7, characterized in that said spraying trigger assembly (8) comprises a valve (801), a spraying head (802) controlled by the valve (801) and a fixed block (803), a control rack (804) connected with the valve (801) through gear engagement is arranged at one side of the spraying head (802), the fixed block (803) is arranged at one side of the mounting groove (701) far away from the rotation point of the mounting storage box (702), and the fixed block (803) is connected with the control rack (804) through a connecting rope.
9. The small-sized electricity metering box of claim 6, characterized in that the mounting plate (1) is provided with a separation groove (305) corresponding to the partition plate (304).
10. A compact fuel gauge according to claim 7, characterized in that said storage case (702) is a hollow fan-shaped cylindrical structure.
CN201910989304.8A 2019-10-17 2019-10-17 Small-size electric quantity metering box Active CN110568237B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910989304.8A CN110568237B (en) 2019-10-17 2019-10-17 Small-size electric quantity metering box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910989304.8A CN110568237B (en) 2019-10-17 2019-10-17 Small-size electric quantity metering box

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CN110568237A true CN110568237A (en) 2019-12-13
CN110568237B CN110568237B (en) 2024-03-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110947147A (en) * 2019-12-16 2020-04-03 天津安博瑞尼科技股份有限公司 Fire control cabinet with adjustable space
CN111458544A (en) * 2020-04-18 2020-07-28 魏运昌 Smart electric meter and production is with portable injection moulding device that prevents to block up thereof

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CN107737425A (en) * 2017-08-31 2018-02-27 青岛海尔股份有限公司 Firebreak device, its flameproof protection method and use its refrigerator
KR101890060B1 (en) * 2017-03-10 2018-08-21 이근승 Exposed type measuring instrument box
CN208716629U (en) * 2018-08-22 2019-04-09 成都西子孚信科技有限公司 A kind of cushioning device for elevator
CN211148753U (en) * 2019-10-17 2020-07-31 广东电网有限责任公司 Small-size electric quantity metering box

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DE102006048015A1 (en) * 2006-10-09 2008-04-10 Minimax Gmbh & Co. Kg Fire extinguishing system for a housing
CN202770882U (en) * 2012-08-29 2013-03-06 江苏常开电气有限公司 Protective device for metering box
CN103149396A (en) * 2013-03-07 2013-06-12 华威博奥电力设备有限公司 Electric energy meter box
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CN107737425A (en) * 2017-08-31 2018-02-27 青岛海尔股份有限公司 Firebreak device, its flameproof protection method and use its refrigerator
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110947147A (en) * 2019-12-16 2020-04-03 天津安博瑞尼科技股份有限公司 Fire control cabinet with adjustable space
CN111458544A (en) * 2020-04-18 2020-07-28 魏运昌 Smart electric meter and production is with portable injection moulding device that prevents to block up thereof
CN111458544B (en) * 2020-04-18 2020-12-11 无锡市恒通电器有限公司 Smart electric meter and production is with portable injection moulding device that prevents to block up thereof

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