CN110290663A - A kind of water proof type communication electric component box - Google Patents
A kind of water proof type communication electric component box Download PDFInfo
- Publication number
- CN110290663A CN110290663A CN201910534478.5A CN201910534478A CN110290663A CN 110290663 A CN110290663 A CN 110290663A CN 201910534478 A CN201910534478 A CN 201910534478A CN 110290663 A CN110290663 A CN 110290663A
- Authority
- CN
- China
- Prior art keywords
- partition
- cabinet
- electric component
- component box
- air pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4441—Boxes
- G02B6/4446—Cable boxes, e.g. splicing boxes with two or more multi fibre cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
-
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
-
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/068—Hermetically-sealed casings having a pressure compensation device, e.g. membrane
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
A kind of water proof type communication electric component box, including cabinet, cabinet includes sequentially connected upper cover from top to bottom, center and lower cover, cabinet internal upper part is equipped with sealing diaphragm in the horizontal direction, box house is divided into the cushion chamber being located above and underlying equipment cavity by sealing diaphragm, it seals and is equipped with tension spring in the middle part of diaphragm upper surface, the upper end of tension spring is connect with upper cover, right middle is equipped with installation partition in the equipment cavity of cabinet, the installation partition includes first partition, second partition, third partition and the 4th partition, first partition, second partition, third partition and the 4th partition is successively end to end is encircled into installation partition, temperature compensation mechanism and air pressure compensation mechanism are equipped in equipment cavity.The present invention have can self-control air pressure so that air pressure in the cabinet of electric component box is greater than outdoor air pressure or external pressure when cabinet is embedded in underground, keep dry in the cabinet of electric component box, it is waterproof and dampproof the advantages that.
Description
Technical field
The present invention relates to electric component box technical fields, and in particular to a kind of water proof type communication electric component box.
Background technique
Electric component box is mainly used for the connection, distribution and scheduling of optical cable and all kinds of cables and the network equipment, installs mostly
In the outdoor environments such as the greenbelt in cell, roadside, also there are many electric component boxes to be mounted on underground, by taking depth in underground
Hole, electric component box is buried in the dell of underground, but lead to the problem of one at this time, and the equipment in electric component box stops work
After work, equipment in electric component box generates heat not reruning, the temperature decline in electric component box, in electric component box
Cools air is shunk, and forms the cavity negative pressure in electric component box, the outdoor after long-time, in electric component box outside sucking
Humid air in environment or underground environment, humid air enter all kinds of setting in electric component box damage electric component box
It is standby, cause greater loss.
Summary of the invention
The present invention in order to solve shortcoming in the prior art, provide one kind can self-control air pressure make electrical equipment
Air pressure is greater than outdoor air pressure or external pressure when cabinet is embedded in underground in the cabinet of case, keeps in the cabinet of electric component box
Dry, a kind of waterproof and dampproof water proof type communicates electric component box.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of water proof type communication electric component box, including cabinet, cabinet include sequentially connected upper cover, center from top to bottom
And lower cover, cabinet internal upper part are equipped with sealing diaphragm in the horizontal direction, sealing diaphragm box house is divided into be located above it is slow
Chamber and underlying equipment cavity are rushed, is equipped with tension spring in the middle part of sealing diaphragm upper surface, the upper end of tension spring is connect with upper cover, cabinet
Right middle is equipped with installation partition in equipment cavity, and the installation partition includes first partition, second partition, third partition and the 4th
Partition, first partition, second partition, third partition and the 4th partition are successively end to end to be encircled into installation partition, installs partition
Interior to be equipped with control panel, this has interchanger plate for the top of control panel, and the top of interchanger plate is equipped with optical fiber cable clip, interchanger plate and light
Fine wire clamp is respectively positioned in installation partition, and left part is equipped with cable stranding device in the equipment cavity of cabinet, is equipped with temperature in the equipment cavity of cabinet
Spend compensation mechanism and air pressure compensation mechanism；
Preferably, the temperature compensation mechanism includes electric hot plate and temperature sensor, and temperature sensor is electrically connected with control panel
It connects, electric hot plate is electrically connected with temperature detect switch (TDS), and temperature detect switch (TDS) is electrically connected with control panel；
Preferably, the atmospheric pressure compensating mechanism includes that baroceptor, high pressure inert gas cylinder and data acquisition operation execute
Circuit, baroceptor acquire the electrical connection of operation execution circuit on the controller by data, and high pressure inert gas cylinder passes through electronic
Baroswitch is electrically connected with the controller；
Preferably, the tension spring is made of memory metal；
Preferably, the sealing diaphragm is made of silica gel.
By adopting the above technical scheme, the invention has the following advantages:
(1) cabinet internal upper part of the invention is equipped with sealing diaphragm in the horizontal direction, and box house is divided by sealing diaphragm
The cushion chamber and underlying equipment cavity being located above, sealing diaphragm upper surface in the middle part of be equipped with tension spring, the upper end of tension spring with it is upper
Lid connection, and seal diaphragm and be made of silica gel, tension spring is made of memory metal, after the intracorporal equipment of case stops working, temperature
Decline, the intracorporal cools air of case are shunk, and negative pressure is formed in equipment cavity, at this point, air pressure is higher than air pressure in equipment cavity in cushion chamber,
Sealing diaphragm pulling tension spring, deformation occurs downwards, and the space in equipment cavity becomes smaller, and buffering cavity space becomes larger, and air pressure slowly rises
Height, the present invention in sealing diaphragm with the variation of air pressure in equipment cavity and deformation occurs, can be realized self-control, make equipment
Intracavitary air pressure prevents external steam from entering box house slightly larger than the air pressure outside cabinet；
(2) present invention is equipped with temperature compensation mechanism, and the temperature compensation mechanism includes electric hot plate and temperature sensor, temperature
Sensor is electrically connected with control panel, and electric hot plate is electrically connected with temperature detect switch (TDS), and temperature detect switch (TDS) is electrically connected with control panel, temperature sensor
Equipment cavity temperature is measured lower than setting value, signal is passed to controller by temperature sensor, and controller control is opened temperature control and opened
It closes, temperature detect switch (TDS) opens electric hot plate, and to heating in equipment cavity, equipment cavity temperature increases electric hot plate, and air pressure is increased, and guarantee is set
Standby intracavitary each appliance component normal table is run, and air pressure is slightly larger than external ambient air pressure in equipment cavity, prevents external water
Vapour enters box house；
(3) present invention is equipped with atmospheric pressure compensating mechanism, and the atmospheric pressure compensating switch includes baroceptor, high pressure inert gas cylinder
Operation execution circuit is acquired with data, baroceptor acquires the electrical connection of operation execution circuit on the controller by data, high
Pressure inertia gas cylinder is switched by electric pneumatic and is electrically connected with the controller, and baroceptor measures in equipment cavity air pressure relative to outside
Ambient pressure is smaller, and signal is passed to data acquisition operation execution circuit, and data acquisition operation execution circuit is calculated and needed
The atmospheric pressure value of compensation and the inert gas quantity of release and by numeric feedback to controller, controller passes through electric pneumatic switch control
Air pressure in high pressure inert gas cylinder release inert gas compensation equipment cavity processed, and make the air pressure in equipment cavity slightly larger than external environment
Air pressure prevents external moisture from entering the intracorporal all kinds of appliance components of box house damage case and equipment, keeps case intracorporal dry
It is dry, waterproof and dampproof, reduction loss is effectively performed；
(4) tension spring of the invention is made of memory metal, and memory metal amount of bow is big, and plasticity is high, memory temperature with
On can restore before shape the characteristics of, when seal diaphragm deformation occurs pull downward on tension spring after, air pressure is in temperature in equipment cavity
Air pressure is increased under the collective effect of compensation mechanism and air pressure compensation mechanism, and sealing diaphragm resets upwards, and tension spring also resets upwards, from
It is dynamic to generate variation with the variation of the air pressure in equipment cavity, it is very convenient to use quick, conducive to the intracavitary air pressure of adjustment equipment；
In conclusion the present invention have can self-control air pressure so that air pressure is greater than outdoor gas
The advantages that pressure or cabinet are embedded in external pressure when underground, keep dry in the cabinet of electric component box, waterproof and dampproof.
Detailed description of the invention
Fig. 1 is explosive view of the invention.
Specific embodiment
As shown in Figure 1, a kind of water proof type of the invention communicates electric component box, including cabinet, cabinet includes from top to bottom
Sequentially connected upper cover 1, center 2 and lower cover 3, cabinet internal upper part are equipped with sealing diaphragm 4 in the horizontal direction, seal diaphragm 4 for case
Internal body portion is segmented into the cushion chamber being located above and underlying equipment cavity, and sealing 4 upper surface middle part of diaphragm is equipped with tension spring 5,
The upper end of tension spring 5 is connect with upper cover 1, and right middle is equipped with installation partition in the equipment cavity of cabinet, and the installation partition includes the
One partition 6, second partition 7, third partition 8 and the 4th partition 9, first partition 6, second partition 7, third partition 8 and the 4th every
Plate 9 is successively end to end to be encircled into installation partition, is equipped with control panel 10 in installation partition, the top of control panel 10 this have interchanger
Plate 11, the top of interchanger plate 11 are equipped with optical fiber cable clip 12, and interchanger plate 11 and optical fiber cable clip 12 are respectively positioned in installation partition, case
Left part is equipped with cable stranding device 13 in the equipment cavity of body, is equipped with temperature compensation mechanism and atmospheric pressure compensating machine in the equipment cavity of cabinet
Structure；
The temperature compensation mechanism includes electric hot plate and temperature sensor, and temperature sensor is electrically connected with control panel 10, electricity
Hot plate is electrically connected with temperature detect switch (TDS), and temperature detect switch (TDS) is electrically connected with control panel 10；
The atmospheric pressure compensating mechanism includes baroceptor, high pressure inert gas cylinder and data acquisition operation execution circuit, gas
Pressure sensor acquires the electrical connection of operation execution circuit on the controller by data, and high pressure inert gas cylinder is switched by electric pneumatic
It is electrically connected with the controller；
The tension spring 5 is made of memory metal；
The sealing diaphragm 4 is made of silica gel or bimetal plate,.
It is of the invention that specific use process is as follows:
In the use of the present invention, the present invention is mounted on outdoor or is embedded in underground and carries out wiring, when the intracorporal equipment of case
It shuts down, equipment is not generating heat, the intracorporal temperature decline of case, and cabinet is embedded in external pressure or outdoor gas when underground
Pressure is higher than the intracorporal air pressure of case, at this point, the air pressure in cushion chamber is slightly above the air pressure in equipment cavity, silica gel or bimetal plate
Deformation occurs for manufactured sealing diaphragm 4, and sealing diaphragm 4 made of silica gel or bimetal plate pulls tension spring 5 to stretch downwards, if
Standby intracavitary space becomes smaller, and the space in cushion chamber becomes larger, and the air pressure in equipment cavity at this time is continuous with equipment cavity space
Extruding becomes smaller and slowly increases；
At the same time, temperature sensor measures equipment cavity temperature lower than setting value, and temperature sensor passes to signal
Temperature detect switch (TDS) is opened in controller, controller control, and temperature detect switch (TDS) opens electric hot plate, and electric hot plate is the electric hot plate of low-power, low function
To heating in equipment cavity, equipment cavity temperature increases the electric hot plate of rate, and air pressure is increased, and ensures each electric appliance member device in equipment cavity
The operation of part normal table；
At the same time, it is smaller relative to external ambient air pressure to measure air pressure in equipment cavity for baroceptor, and signal is passed
Data acquisition operation execution circuit is passed, data acquisition operation execution circuit calculates the inertia of the atmospheric pressure value and release that need to compensate
Amount of gas and by numeric feedback to controller, controller discharges indifferent gas by electric pneumatic switch control high pressure inert gas cylinder
Body compensates the air pressure in equipment cavity, and makes the air pressure in equipment cavity slightly larger than external ambient air pressure, prevents external moisture from entering case
The intracorporal all kinds of appliance components of body internal damage case and equipment, are effectively performed waterproof and dampproof；
Diaphragm 4 is sealed according to the air pressure change in equipment cavity and deformation occurs the air pressure intracavitary come adjustment equipment, temperature is mended
It repays mechanism and air pressure compensation mechanism can while the air pressure in equipment cavity be adjusted, makes in cabinet of the invention air pressure always
It is maintained at external pressure when being embedded in underground less times greater than outdoor air pressure or cabinet, the steam outside cabinet is made to cannot be introduced into case
Internal portion keeps dry in cabinet of the invention, waterproof and dampproof.
The present embodiment not makes any form of restriction shape of the invention, material, structure etc., all according to this hair
Bright technical spirit any simple modification, equivalent change and modification to the above embodiments, belong to the technology of the present invention side
The protection scope of case.
Claims (5)
1. a kind of water proof type communicates electric component box, it is characterised in that: including cabinet, cabinet includes sequentially connected from top to bottom
Upper cover, center and lower cover, cabinet internal upper part are equipped with sealing diaphragm in the horizontal direction, and box house is divided by sealing diaphragm to be located at
The cushion chamber of top and underlying equipment cavity, sealing diaphragm upper surface middle part are equipped with tension spring, the upper end of tension spring and top cap
It connects, right middle is equipped with installation partition in the equipment cavity of cabinet, and the installation partition includes first partition, second partition, third
Partition and the 4th partition, first partition, second partition, third partition and the 4th partition successively it is end to end be encircled into installation every
Plate is equipped with control panel in installation partition, this has interchanger plate for the top of control panel, and the top of interchanger plate is equipped with optical fiber cable clip,
Interchanger plate and optical fiber cable clip are respectively positioned in installation partition, and left part is equipped with cable stranding device in the equipment cavity of cabinet, and cabinet is set
It is standby intracavitary equipped with temperature compensation mechanism and air pressure compensation mechanism.
2. a kind of water proof type according to claim 1 communicates electric component box, it is characterised in that: the temperature compensation mechanism
Including electric hot plate and temperature sensor, temperature sensor is electrically connected with control panel, and electric hot plate is electrically connected with temperature detect switch (TDS), and temperature control is opened
Pass is electrically connected with control panel.
3. a kind of water proof type according to claim 1 communicates electric component box, it is characterised in that: the atmospheric pressure compensating mechanism
Operation execution circuit is acquired including baroceptor, high pressure inert gas cylinder and data, baroceptor acquires operation by data
Execution circuit is electrically connected on the controller, and high pressure inert gas cylinder is electrically connected with the controller by electric pneumatic switch.
4. a kind of water proof type according to claim 1 communicates electric component box, it is characterised in that: the tension spring is by memory gold
Category is made.
5. a kind of water proof type according to claim 1 communicates electric component box, it is characterised in that: the sealing diaphragm is by silicon
Glue is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910534478.5A CN110290663A (en) | 2019-06-20 | 2019-06-20 | A kind of water proof type communication electric component box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910534478.5A CN110290663A (en) | 2019-06-20 | 2019-06-20 | A kind of water proof type communication electric component box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110290663A true CN110290663A (en) | 2019-09-27 |
Family
ID=68004063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910534478.5A Pending CN110290663A (en) | 2019-06-20 | 2019-06-20 | A kind of water proof type communication electric component box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110290663A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111443822A (en) * | 2020-03-13 | 2020-07-24 | 维沃移动通信有限公司 | Electronic device, control method thereof, and medium |
| CN113447689A (en) * | 2021-06-29 | 2021-09-28 | 黄灼健 | Electric energy meter with heat dissipation moisture resistance |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85205163U (en) * | 1985-12-03 | 1986-12-03 | 徐泓 | Explosion protection, dust proof and moisture-proof box for low voltage electric appliances |
| DE102005038688A1 (en) * | 2005-08-16 | 2007-03-15 | Siemens Ag | Volume compensation element for electronic housing, especially in automobiles, is in form of elastic impermeable membrane that is arranged in electronic housing |
| CN103648249A (en) * | 2013-12-19 | 2014-03-19 | 王轶丹 | Electric appliance ventilating explosion-proof method and ventilating explosion-proof cabinet |
| US20150274394A1 (en) * | 2014-03-28 | 2015-10-01 | Ecom Instruments Gmbh | Device for receiving an electronic device, in particular for use in an explosion-prone area |
| CN205642516U (en) * | 2016-05-19 | 2016-10-12 | 江西百川水表有限公司 | Anti -freezing water meter |
| CN106455393A (en) * | 2016-08-31 | 2017-02-22 | 王轶珂 | ''Three without'' explosion prevention method for explosion-proof cabinet of electric equipment |
| CN107771008A (en) * | 2016-08-15 | 2018-03-06 | 张鹤年 | A kind of power save transmission computer room of Full-enclosed constant-temp self-regulation |
| EP3302011A1 (en) * | 2016-09-29 | 2018-04-04 | Continental Automotive GmbH | Electronics module unit with a housing and a pressure equalisation channel |
| CN207232640U (en) * | 2017-09-19 | 2018-04-13 | 成都驹月科技有限公司 | Gps time synchronous machine used in a kind of deep-sea |
| CN108207098A (en) * | 2017-12-30 | 2018-06-26 | 中国船舶重工集团公司第七二三研究所 | Moisture proof regulator |
| EP3343575A1 (en) * | 2016-12-28 | 2018-07-04 | ABB Schweiz AG | A pressure compensator of a subsea installation |
| WO2019013206A1 (en) * | 2017-07-14 | 2019-01-17 | 株式会社ニコン | Encoder and drive device |
| CN109310023A (en) * | 2017-07-28 | 2019-02-05 | 四川网联电气有限公司 | Electrical control cabinet making-up air device |
| CN109327990A (en) * | 2018-11-02 | 2019-02-12 | 中国船舶重工集团公司第七二三研究所 | The moisture-proof regulator of water-tight equipment |
| CN109346942A (en) * | 2018-08-30 | 2019-02-15 | 国电南瑞科技股份有限公司 | A kind of anti-condensation site terminal box of physics |
| US10264693B1 (en) * | 2018-07-17 | 2019-04-16 | Motorola Solutions, Inc. | Automatic testable breather valve |
-
2019
- 2019-06-20 CN CN201910534478.5A patent/CN110290663A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85205163U (en) * | 1985-12-03 | 1986-12-03 | 徐泓 | Explosion protection, dust proof and moisture-proof box for low voltage electric appliances |
| DE102005038688A1 (en) * | 2005-08-16 | 2007-03-15 | Siemens Ag | Volume compensation element for electronic housing, especially in automobiles, is in form of elastic impermeable membrane that is arranged in electronic housing |
| CN103648249A (en) * | 2013-12-19 | 2014-03-19 | 王轶丹 | Electric appliance ventilating explosion-proof method and ventilating explosion-proof cabinet |
| US20150274394A1 (en) * | 2014-03-28 | 2015-10-01 | Ecom Instruments Gmbh | Device for receiving an electronic device, in particular for use in an explosion-prone area |
| CN205642516U (en) * | 2016-05-19 | 2016-10-12 | 江西百川水表有限公司 | Anti -freezing water meter |
| CN107771008A (en) * | 2016-08-15 | 2018-03-06 | 张鹤年 | A kind of power save transmission computer room of Full-enclosed constant-temp self-regulation |
| CN106455393A (en) * | 2016-08-31 | 2017-02-22 | 王轶珂 | ''Three without'' explosion prevention method for explosion-proof cabinet of electric equipment |
| EP3302011A1 (en) * | 2016-09-29 | 2018-04-04 | Continental Automotive GmbH | Electronics module unit with a housing and a pressure equalisation channel |
| EP3343575A1 (en) * | 2016-12-28 | 2018-07-04 | ABB Schweiz AG | A pressure compensator of a subsea installation |
| WO2019013206A1 (en) * | 2017-07-14 | 2019-01-17 | 株式会社ニコン | Encoder and drive device |
| CN109310023A (en) * | 2017-07-28 | 2019-02-05 | 四川网联电气有限公司 | Electrical control cabinet making-up air device |
| CN207232640U (en) * | 2017-09-19 | 2018-04-13 | 成都驹月科技有限公司 | Gps time synchronous machine used in a kind of deep-sea |
| CN108207098A (en) * | 2017-12-30 | 2018-06-26 | 中国船舶重工集团公司第七二三研究所 | Moisture proof regulator |
| US10264693B1 (en) * | 2018-07-17 | 2019-04-16 | Motorola Solutions, Inc. | Automatic testable breather valve |
| CN109346942A (en) * | 2018-08-30 | 2019-02-15 | 国电南瑞科技股份有限公司 | A kind of anti-condensation site terminal box of physics |
| CN109327990A (en) * | 2018-11-02 | 2019-02-12 | 中国船舶重工集团公司第七二三研究所 | The moisture-proof regulator of water-tight equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111443822A (en) * | 2020-03-13 | 2020-07-24 | 维沃移动通信有限公司 | Electronic device, control method thereof, and medium |
| CN111443822B (en) * | 2020-03-13 | 2023-12-22 | 维沃移动通信有限公司 | Electronic device, control method thereof, and medium |
| CN113447689A (en) * | 2021-06-29 | 2021-09-28 | 黄灼健 | Electric energy meter with heat dissipation moisture resistance |
| CN113447689B (en) * | 2021-06-29 | 2022-08-19 | 深圳龙电华鑫控股集团股份有限公司 | Electric energy meter with heat dissipation moisture resistance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110290663A (en) | A kind of water proof type communication electric component box | |
| US10886052B2 (en) | Adsorption bar, vacuum aligner system, and control method of vacuum aligner system | |
| CN208045956U (en) | Switchgear makes moist condensation mechanism study system | |
| CN108831777A (en) | A kind of high-voltage isolation switch attitude transducer | |
| CN219457558U (en) | Deviation rectifying mechanism for wafer transmission | |
| CN107548001A (en) | Sensor group and electronic equipment | |
| JPS5482572A (en) | Actuator | |
| CN210051784U (en) | Impact accelerometer calibrating device | |
| CN209296201U (en) | One kind is convenient for connection force sensor for multiple components | |
| CN110332977A (en) | A kind of visual scale of waterproof and dampproof Internet of Things | |
| CN204145412U (en) | A kind of solar cell detects fixture | |
| CN108336651A (en) | Switchgear makes moist condensation mechanism study system | |
| CN205228526U (en) | Multi -functional electric power monitoring device | |
| CN208547621U (en) | A kind of more pixel gas sensor measurers of SGP | |
| CN205426446U (en) | Gas tightness test fixture | |
| CN208223555U (en) | A kind of combination heart rate mould group and electronic equipment | |
| CN207409625U (en) | A kind of reserve battery of test equipment | |
| CN110081215A (en) | A kind of controllable pressure release device for air seal high voltage electric equipment | |
| CN110245458A (en) | A kind of normalizing method of high-tension apparatus electric discharge ultraviolet imagery detection image quantization parameter | |
| CN203706309U (en) | Waterproof intelligent water meter | |
| CN206876846U (en) | A kind of Partable electric lighting test device | |
| CN209166511U (en) | The online gas monitoring instrument of four-in-one | |
| CN112986650A (en) | All-fiber current transformer and temperature compensation method thereof | |
| CN212115824U (en) | Electric circuit packaging shell | |
| CN207473107U (en) | A kind of photoelectric sensor of detecting distance adjustability |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190927 |