CN111787777A - Electric energy meter with heat dissipation moisture resistance - Google Patents
Electric energy meter with heat dissipation moisture resistance Download PDFInfo
- Publication number
- CN111787777A CN111787777A CN202010843596.7A CN202010843596A CN111787777A CN 111787777 A CN111787777 A CN 111787777A CN 202010843596 A CN202010843596 A CN 202010843596A CN 111787777 A CN111787777 A CN 111787777A
- Authority
- CN
- China
- Prior art keywords
- electric energy
- energy meter
- heat dissipation
- moisture resistance
- base
- 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
Links
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20181—Filters; Louvers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20209—Thermal management, e.g. fan control
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Drying Of Gases (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses an electric energy meter with heat dissipation and moisture resistance, and relates to the technical field of electric energy meter equipment. Under the restraint of bulb post and stopper, realize the light installation of mounting plate and dismantle, reduce intensity of labour, the operation of the temperature sensor control fan of mounting plate side, the heat conduction stick combines the bleeder vent to increase heat radiating area, improves heat dissipation cooling effect greatly, combines activated carbon adsorption stick and filter screen to carry out the moisture absorption to inside air, and is dustproof, extension electric energy meter's life.
Description
Technical Field
The invention relates to the technical field of electric energy meter equipment, in particular to an electric energy meter with heat dissipation and moisture resistance.
Background
An electric energy meter is an instrument for measuring electric energy, also called watt-hour meter, fire meter, kilowatt-hour meter, and refers to instruments for measuring various electric quantities. When using a power meter, it is noted that the power meter can be directly connected to the circuit for measurement at low voltage (not more than 500 volts) and low current (tens of amperes). Under the condition of high voltage or large current, the electric energy meter cannot be directly connected with a circuit and needs to be matched with a voltage transformer or a current transformer for use. The electric energy meter can be divided into a direct current electric energy meter and an alternating current electric energy meter according to the used circuit. The ac electric energy meter can be divided into a single-phase electric energy meter, a three-phase three-wire electric energy meter and a three-phase four-wire electric energy meter according to the phase line.
With the increasing awareness of people on environmental protection, reasonable, balanced and scientific electricity utilization is promoted for the use of electricity. The electric energy meter is generally used in various industries as a measuring instrument of electric energy, and the working environment of the electric energy meter is usually exposed outside, so that the internal heat can not be dissipated in time due to the irradiation of the internal work and the external sunlight, and the normal use of the electric energy meter is influenced. Through retrieval, the prior art discloses the following application numbers: 201920885473.2 an electric energy meter with an explosion-proof function and a built-in heat dissipation switch, comprising an electric energy meter component, an explosion-proof shell component and a junction box, wherein the explosion-proof shell component comprises a shell and a door body, a through-opening viewing port is arranged at the position above the door body corresponding to the display screen of the electric energy meter component, an air inlet is arranged below the back of the electric energy meter component, an air outlet is arranged above the side of the electric energy meter component, through ventilation openings are arranged at the corresponding positions of the back and the side of the shell, a circle of cylindrical wind-collecting cover is arranged around the outside of the air outlet, a fan component is arranged between the air outlet and the ventilation openings, and the outer end; through setting up air outlet and fan unit spare, make explosion-proof electric energy meter have possessed built-in heat dissipation function. But the device is under the operating condition that the rain drenched in long-term wind-blowing, and the outside dust of isolation and the entering of humid air that can not be fine cause the pollution to the inside work of electric energy meter, and it is very inconvenient to maintain the change to the electric energy meter body in addition, increases maintainer's working strength.
Disclosure of Invention
The invention aims to provide an electric energy meter with heat dissipation and moisture resistance so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an electric energy meter with heat dissipation moisture resistance, includes protective housing and electric energy meter body, the electric energy meter body settle on the installation board, both ends symmetry is provided with a plurality of heat conduction stick about installation board upper portion, end symmetry is provided with the bulb post under the installation board, limit block is inserted through the spacing groove to bulb post side, and the limit groove is seted up at bulb post side end face, and the stopper is inside to be removed and is connected with the bracing piece, bracing piece other end fixed connection inlay on the base inner wall of the inside bottom of protective housing, stopper upper end fixedly connected with poker rod, poker rod upper end arrangement has the poker block, base upper portion bilateral symmetry peg graft, peg fixed connection is at the lower extreme that active carbon adsorbs the stick, base middle part be provided with the backup pad, the lower extreme arrangement of backup pad has two at least fans.
As a further scheme of the invention: the mounting plate is made of a material with a good heat conduction function.
As a further scheme of the invention: and a temperature sensor is arranged at the side end of the mounting plate.
As a further scheme of the invention: and a spring is sleeved on the supporting rod between the limiting block and the inner wall of the base.
As a further scheme of the invention: the placing plate is evenly provided with a plurality of air holes.
As a further scheme of the invention: the protective housing left and right sides all be provided with the window of ventilating, the window of ventilating all inlays in the protective housing that is located the fan below and is equipped with the filter screen.
As a further scheme of the invention: the upper part of the base is symmetrically provided with grooves in the left and right directions, and the depth of each groove is smaller than the length of the ball head column.
As a further scheme of the invention: the outer end face of the limiting block is provided with an inclined plane.
As a further scheme of the invention: a certain gap is formed between the placing plate and the base.
As a still further scheme of the invention: the poking block is carved with patterns.
Compared with the prior art, the invention has the beneficial effects that: the electric energy meter body is arranged through the arrangement plate, the ball head column is inserted into the groove, the ball head column extrudes the inclined plane of the limit block to realize inward movement of the limit block compression spring, the limit block is clamped into the limit groove under the reset action of the spring to realize that the arrangement plate is provided with the electric energy meter body to be easily installed on the base, the arrangement plate can be easily disassembled only by manually stirring the stirring block during disassembly, the disassembly time of a screw knob is saved, the labor intensity is reduced, the arrangement plate has good heat conduction function, the temperature is increased under the long-term work of the electric energy meter body, the temperature sensor at the side end of the arrangement plate controls the operation of the fan to circulate the air in the protective shell, the heat conduction and conduction rod of the arrangement plate increases the heat dissipation area, the air holes on the arrangement plate are combined, the heat dissipation and cooling effects on the electric energy meter body are greatly improved, and, effectively prevent external dust and get into, under long-term work, carry out the moisture absorption to inside air through the active carbon adsorption stick, the drying effectively realizes the dampproofing heat dissipation function of whole device, prolongs the life of electric energy meter.
Drawings
Fig. 1 is a schematic structural diagram of an electric energy meter with heat dissipation and moisture resistance.
Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.
Fig. 3 is a schematic structural diagram of a mounting plate assembly in an electric energy meter with heat dissipation and moisture resistance.
Fig. 4 is a schematic structural diagram of an activated carbon adsorption rod assembly in an electric energy meter with heat dissipation and moisture resistance.
In the figure: 1-protective shell, 2-active carbon adsorption rod, 3-electric energy meter body, 4-mounting plate, 5-air vent, 6-heat conduction rod, 7-air vent window, 8-inserting column, 9-temperature sensor, 10-base, 11-fan, 12-supporting plate, 13-filter screen, 14-bulb column, 15-limiting block, 16-groove, 17-limiting groove, 18-supporting rod, 19-toggle block, 20-toggle rod and 21-spring.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The first embodiment is as follows: referring to fig. 1 to 4, in the embodiment of the invention, an electric energy meter with heat dissipation and moisture resistance comprises a protective shell 1 and an electric energy meter body 3, the electric energy meter body 3 is arranged on a placement plate 4, a plurality of heat conducting rods 6 are symmetrically arranged at the left end and the right end of the upper portion of the placement plate 4, the heat conducting rods 6 can increase the heat dissipation area and accelerate the heat dissipation, a ball head column 14 is symmetrically arranged at the left end and the right end of the lower end face of the placement plate 4, a limiting block 15 is inserted at the side end of the ball head column 14 through a limiting groove 17, the limiting groove 17 is arranged at the side end face of the ball head column 14, the ball head column 14 is inserted and fixed through the mutual constraint of the limiting block 15 and the limiting groove 17, a supporting rod 18 is movably connected inside the limiting block 15, the other end of the supporting rod 18 is fixedly connected to the inner wall of a base 10 embedded at the bottom end inside the protective shell, the setting of poker rod 20 upper end has the piece 19 of stirring, and the easy to assemble workman's operation dismantles simple to operate, and low in labor strength, base 10 upper portion bilateral symmetry peg graft and have inserted post 8, insert post 8 fixed connection at the lower extreme of activated carbon adsorption stick 2, conveniently change activated carbon adsorption stick 2, realize the drying to 3 operational environment of protective housing 1 inside electric energy meter body, dampproofing effect, base 10 middle part be provided with backup pad 12, the lower extreme of backup pad 12 is settled there are two at least fans 11, realizes taking a breath to the circulation of protective housing 1 inside air.
In this embodiment, the installation plate 4 is made of a material with a good heat conduction function, so that heat can be conducted to the heat conduction rod 6 conveniently, and heat dissipation is accelerated.
In this embodiment, the side end of the installation plate 4 is provided with the temperature sensor 9 for monitoring the working temperature of the electric energy meter body 3, automatically controlling and adjusting the operation of the fan 11, and having high automation.
In this embodiment, be located the bracing piece 18 between stopper 15 and the base 10 inner wall on cup jointed spring 21, realize bulb post 14 extrusion stopper 15, behind the compression spring 21, through spring 21's reset action, can promote stopper 15 card automatically and advance spacing groove 17, light installation.
In this embodiment, the installation plate 4 is uniformly provided with a plurality of air holes 5, so that the air flow accelerates the heat dissipation.
In this embodiment, the upper portion of the base 10 is symmetrically provided with the grooves 16, and the depth of the groove 16 is smaller than the length of the ball stud 14, so as to ensure that the ball stud 14 is firmly inserted.
In this embodiment, the outer end face of the limiting block 15 is provided with an inclined plane, and the ball head face of the ball head column 14 extrudes the inclined plane of the limiting block 15, so as to realize the effect on the limiting block 15.
In this embodiment, a certain gap is formed between the mounting plate 4 and the base 10, so that air circulation is facilitated, and heat removal by air is accelerated.
In this embodiment, patterns are engraved on the toggle block 19, so that an operator can conveniently apply force to toggle, and the disassembly is convenient.
Example two: the invention also provides another embodiment, which is improved on the basis of the above embodiment, the left side and the right side of the protective shell 1 are respectively provided with the ventilation window 7, the ventilation windows 7 and the protective shell 1 positioned below the fan 11 are respectively embedded with the filter screen 13, so that the ventilation process is effectively realized, dust is prevented from entering the protective shell 1, and the dustproof effect is achieved.
In summary, when the electric energy meter works, the electric energy meter body 3 is arranged through the arrangement plate 4, the ball head column 14 is inserted into the groove 16, the ball head column 14 presses the inclined surface of the limit block 15 to realize inward movement of the limit block 15 compressing the spring 21, the limit block 15 is clamped into the limit groove 17 under the reset action of the spring 21, the arrangement plate 4 drives the electric energy meter body 3 to be easily installed on the base 10, the electric energy meter can be easily detached only by manually dialing the dialing block 19 during detachment, the screw knob detachment time is saved, the labor intensity is reduced, the arrangement plate 4 has a good heat conduction function, the temperature of the electric energy meter body 3 is increased under long-term work, the temperature sensor 9 at the side end of the arrangement plate 4 controls the operation of the fan 11 to circulate air in the protection shell 1, the heat conduction rod 6 of the arrangement plate 4 increases the heat dissipation area at the moment, and the air holes 5 on the arrangement plate 4 are combined, so that the heat dissipation and temperature reduction effects of, and in 7 and 11 air outlets of fan department of ventilating the window all be provided with filter screen 13, prevent effectively that external dust from getting into, under the long-term work, carry out the moisture absorption to inside air through activated carbon adsorption stick 2, it is dry, effectively realize the dampproofing heat dissipation function of whole device, the life of extension electric energy meter.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. An electric energy meter with heat dissipation and moisture resistance comprises a protective shell (1) and an electric energy meter body (3), and is characterized in that the electric energy meter body (3) is arranged on a placement plate (4), a plurality of heat conducting rods (6) are symmetrically arranged at the left end and the right end of the upper portion of the placement plate (4), bulb columns (14) are symmetrically arranged at the left end and the right end of the lower end face of the placement plate (4), limiting blocks (15) are inserted into the side ends of the bulb columns (14) through limiting grooves (17), the limiting grooves (17) are formed in the side end faces of the bulb columns (14), supporting rods (18) are movably connected inside the limiting blocks (15), the other ends of the supporting rods (18) are fixedly connected to the inner wall of a base (10) embedded at the inner bottom end of the protective shell (1), poking rods (20) are fixedly connected to the upper ends of the limiting blocks (15), poking blocks (19) are arranged at the upper ends of the poking rods (20), inserting columns (8, the inserting column (8) is fixedly connected with the lower end of the activated carbon adsorption rod (2), a supporting plate (12) is arranged in the middle of the base (10), and at least two fans (11) are arranged at the lower end of the supporting plate (12).
2. The electric energy meter with the heat dissipation and moisture resistance as set forth in claim 1, wherein the installation plate (4) is made of a material with good heat conduction function.
3. The electric energy meter with the heat dissipation and moisture resistance as set forth in claim 2, characterized in that a temperature sensor (9) is arranged at the side end of the installation plate (4).
4. The electric energy meter with the heat dissipation and moisture resistance as claimed in claim 1, wherein a spring (21) is sleeved on the support rod (18) between the limiting block (15) and the inner wall of the base (10).
5. The electric energy meter with the heat dissipation and moisture resistance as claimed in claim 1, wherein the installation plate (4) is uniformly provided with a plurality of air holes (5).
6. The electric energy meter with the heat dissipation and moisture resistance as claimed in claim 1, wherein ventilation windows (7) are arranged on the left side and the right side of the protective shell (1), and filter screens (13) are embedded in the ventilation windows (7) and the protective shell (1) below the fan (11).
7. The electric energy meter with the heat dissipation and moisture resistance as recited in claim 1, wherein the upper portion of the base (10) is provided with grooves (16) in bilateral symmetry, and the depth of the groove (16) is smaller than the length of the ball stud (14).
8. The electric energy meter with the heat dissipation and moisture resistance as claimed in claim 1 or 4, wherein the outer end face of the limiting block (15) is provided with a bevel.
9. The electric energy meter with the heat dissipation and moisture resistance as set forth in claim 1, wherein a certain gap is formed between the installation plate (4) and the base (10).
10. The electric energy meter with the heat dissipation and moisture resistance as set forth in claim 1 or 5, characterized in that the dial block (19) is engraved with patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010843596.7A CN111787777B (en) | 2020-08-20 | 2020-08-20 | Electric energy meter with heat dissipation moisture resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010843596.7A CN111787777B (en) | 2020-08-20 | 2020-08-20 | Electric energy meter with heat dissipation moisture resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111787777A true CN111787777A (en) | 2020-10-16 |
| CN111787777B CN111787777B (en) | 2021-03-19 |
Family
ID=72762843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010843596.7A Active CN111787777B (en) | 2020-08-20 | 2020-08-20 | Electric energy meter with heat dissipation moisture resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111787777B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112649639A (en) * | 2021-01-29 | 2021-04-13 | 姬文龙 | Anti-pollution three-phase electric energy meter and use method thereof |
| CN112763775A (en) * | 2020-12-28 | 2021-05-07 | 国网山东省电力公司枣庄供电公司 | Electric energy metering and remote monitoring diagnosis device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201819933U (en) * | 2010-04-01 | 2011-05-04 | 深圳市科陆电子科技股份有限公司 | Connection device of electric energy meter |
| CN207424093U (en) * | 2017-10-27 | 2018-05-29 | 江苏苏源杰瑞科技有限公司 | A kind of three electronic electric energy meters being easily installed |
| CN208580139U (en) * | 2018-07-25 | 2019-03-05 | 宁波三星智能电气有限公司 | A kind of electric energy meter |
| US20190387924A1 (en) * | 2018-06-21 | 2019-12-26 | Ningbo Huige Outdoor Products Co., Ltd. | Grill for granular fuel |
-
2020
- 2020-08-20 CN CN202010843596.7A patent/CN111787777B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201819933U (en) * | 2010-04-01 | 2011-05-04 | 深圳市科陆电子科技股份有限公司 | Connection device of electric energy meter |
| CN207424093U (en) * | 2017-10-27 | 2018-05-29 | 江苏苏源杰瑞科技有限公司 | A kind of three electronic electric energy meters being easily installed |
| US20190387924A1 (en) * | 2018-06-21 | 2019-12-26 | Ningbo Huige Outdoor Products Co., Ltd. | Grill for granular fuel |
| CN208580139U (en) * | 2018-07-25 | 2019-03-05 | 宁波三星智能电气有限公司 | A kind of electric energy meter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763775A (en) * | 2020-12-28 | 2021-05-07 | 国网山东省电力公司枣庄供电公司 | Electric energy metering and remote monitoring diagnosis device |
| CN112649639A (en) * | 2021-01-29 | 2021-04-13 | 姬文龙 | Anti-pollution three-phase electric energy meter and use method thereof |
| CN112649639B (en) * | 2021-01-29 | 2022-09-20 | 北京合众科创科技有限公司 | Anti-pollution three-phase electric energy meter and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111787777B (en) | 2021-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111787777B (en) | Electric energy meter with heat dissipation moisture resistance | |
| CN210577282U (en) | Heat radiation structure of electric power distribution cabinet | |
| CN214278849U (en) | Three-dimensional animation automatic coding and decoding device | |
| CN211151293U (en) | Intelligent distribution box | |
| CN211453568U (en) | Movable environment monitoring device | |
| CN208847968U (en) | A kind of medical intelligent interpreting apparatus | |
| CN217543055U (en) | Equipment for detecting VOCS component | |
| CN211660696U (en) | Convenient fume chamber who overhauls | |
| CN212910386U (en) | Electrical control cabinet | |
| CN215570888U (en) | High-heat-regeneration-efficiency semiconductor dehumidifier | |
| CN216981217U (en) | High-voltage ring main unit | |
| CN214280554U (en) | Novel electric cabinet for avoiding electric shock heat dissipation type electric engineering | |
| CN220305746U (en) | 3U machine case | |
| CN218382886U (en) | Electric power instrument panel with night light function | |
| CN218472554U (en) | Power distribution control cabinet | |
| CN211508361U (en) | Heat radiation structure of switch cabinet | |
| CN213071727U (en) | Low-voltage complete switch equipment | |
| CN219697073U (en) | Structure for fixing power distribution equipment inside power distribution cabinet | |
| CN213780182U (en) | Single-phase electronic type electric energy meter convenient to overhaul | |
| CN219067510U (en) | Dampproofing switch board of band assembly formula base | |
| CN212649973U (en) | Heat dissipation device for electrical instrument | |
| CN217909568U (en) | Electrician instrument power supply with explosion-proof function | |
| CN215728244U (en) | Electric power monitoring protective equipment convenient to dismouting | |
| CN218828718U (en) | Electric power distribution cabinet | |
| CN211827132U (en) | Computer mainboard fixing device for computer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |