CN113301756B - High and cold area electric energy meter data acquisition signal intensifier - Google Patents
High and cold area electric energy meter data acquisition signal intensifier Download PDFInfo
- Publication number
- CN113301756B CN113301756B CN202110633632.1A CN202110633632A CN113301756B CN 113301756 B CN113301756 B CN 113301756B CN 202110633632 A CN202110633632 A CN 202110633632A CN 113301756 B CN113301756 B CN 113301756B
- Authority
- CN
- China
- Prior art keywords
- hole
- shell
- outer shell
- fixedly connected
- inner shell
- 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.)
- Active
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
- 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
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Casings For Electric Apparatus (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
A high and cold area electric energy meter data acquisition signal intensifier belongs to the field of signal collection equipment. The bottom of the outer shell is hollow, the top end of the inner shell is hollow, the hollow end of the inner shell is fixedly connected to the top wall of the inner wall of the outer shell, and a cavity is formed between the outer shell and the side wall of the inner shell; the dividing device is fixedly connected in the cavity between the outer shell and the inner shell; the top end of the outer shell is also provided with a through hole I; the signal intensifier body is fixedly connected to the top end of the inner wall of the outer shell, the signal intensifier body is located inside the inner shell, and a signal receiver of the signal intensifier body penetrates through the through hole I and is exposed out of the outer end of the outer shell. Not only can be in the effective ventilation cooling of extremely hot weather, can guarantee the inside temperature of casing moreover in extremely cold weather, and then guarantee the life of signal reinforcement ware, still possess and prevent that external dust from getting into inside the casing to effectively clear away the inside dust of casing, with the implementation of the heat dissipation of assurance casing and heat preservation function.
Description
Technical Field
The invention relates to an electric energy meter data acquisition signal intensifier in a severe cold region, and belongs to the field of signal collection equipment.
Background
When the signal intensifier is used at present, the signal intensifier needs to be placed outdoors, the cold and hot alternation is realized along with four seasons, the service life of the signal intensifier is very easy to be influenced in extremely cold weather and extremely hot weather in winter or summer, and the shell of the conventional signal intensifier only has a protection function and a ventilation function but does not have the function of heat preservation in extremely cold weather, so that the signal intensifier is designed.
Disclosure of Invention
The invention aims to solve the problems in the background art and provide a data acquisition signal intensifier for an electric energy meter in a severe cold region.
The invention realizes the purpose, and adopts the following technical scheme:
a high and cold area electric energy meter data acquisition signal intensifier comprises a shell and a signal intensifier body; the shell comprises an outer shell, an inner shell and a splitting device; the bottom of the outer shell is hollow, the top end of the inner shell is hollow, the hollow end of the inner shell is fixedly connected to the top wall of the inner wall of the outer shell, and a cavity is formed between the outer shell and the side wall of the inner shell; the dividing device is fixedly connected in a cavity between the outer shell and the inner shell; the top end of the outer shell is also provided with a through hole I; the signal intensifier body is fixedly connected to the top end of the inner wall of the outer shell and positioned in the inner shell, and a signal receiver of the signal intensifier body penetrates through the through hole I and is exposed out of the outer end of the outer shell; the cutting device is composed of two elastic rubber sheets, each elastic rubber sheet is arranged to be V-shaped, one ends of the two V-shaped elastic rubber sheets are fixedly connected to the side walls of the outer shell and the inner shell respectively, and the other ends of the two V-shaped elastic rubber sheets are perpendicular to the horizontal plane and are in contact with each other.
Compared with the prior art, the invention has the beneficial effects that: the invention not only can effectively ventilate and radiate in extreme hot weather, but also can ensure the temperature in the shell in extreme cold weather so as to ensure the service life of the signal intensifier, and also can prevent external dust from entering the inner shell and effectively remove the dust in the shell so as to ensure the implementation of the heat radiation and heat preservation functions of the shell.
Drawings
FIG. 1 is a front view of an electric energy meter data acquisition signal intensifier in a severe cold region;
FIG. 2 is a front view of a housing of the data acquisition signal enhancer of the electric energy meter in the alpine region;
FIG. 3 is a front view of a partitioning device of the electric energy meter data acquisition signal enhancer for alpine regions according to the present invention;
FIG. 4 is a front view of a connection device of an electric energy meter data acquisition signal enhancer in alpine regions according to the present invention;
FIG. 5 is a front view of the movable device of the electric energy meter data acquisition signal intensifier in alpine regions according to the invention;
fig. 6 is a schematic structural diagram of a control device of an electric energy meter data acquisition signal enhancer in an alpine region according to the present invention.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
The first embodiment is as follows: as shown in fig. 1 to 6, the present embodiment describes a signal enhancer for data acquisition of an electric energy meter in an alpine region, which includes a housing 1 and a signal enhancer body 4; the housing 1 comprises an outer housing 11, an inner housing 12 and a dividing device 14; the bottom of the outer shell 11 is hollow, the top end of the inner shell 12 is hollow, the hollow end of the inner shell 12 is fixedly connected to the top wall of the inner wall of the outer shell 11, and a cavity 13 is formed between the outer shell 11 and the side wall of the inner shell 12; the dividing device 14 is fixedly connected in the cavity 13 between the outer shell 11 and the inner shell 12; the top end of the outer shell 11 is also provided with a through hole I18; the signal intensifier body 14 is fixedly connected to the top end of the inner wall of the outer shell 11, the signal intensifier body 14 is located inside the inner shell 12, and a signal receiver of the signal intensifier body 14 penetrates through the through hole I18 and is exposed out of the outer end of the outer shell 11; the dividing device 14 is composed of two elastic rubber sheets, each elastic rubber sheet is set to be V-shaped, one ends of the two V-shaped elastic rubber sheets are fixedly connected to the side walls of the outer shell 11 and the inner shell 12 respectively, and the other ends of the two V-shaped elastic rubber sheets are perpendicular to the horizontal plane and are in contact with each other.
The second embodiment is as follows: as shown in fig. 4 to 6, the present embodiment is further described with respect to the first embodiment, the data acquisition signal enhancer for an electric energy meter in an alpine region further includes a connecting device 2 and a movable device 3; the top end of the outer shell 11 is also provided with a through hole II 17; the connecting device 2 is fixedly connected in the inner shell 12, and the upper end of the connecting device 2 penetrates through the through hole II 17; the movable device 3 is in sliding fit with the connecting device 2; the side of inner shell 12 is equipped with air vent I15 and air vent II 16, and air vent I15 and air vent II 16 all communicate with cavity 13, and air vent I15 and air vent II 16 still communicate with connecting device 2.
The third concrete implementation mode: as shown in fig. 4, the first embodiment is further described, and the connecting device 2 includes a vertical barrel 21 and a filter screen 25; the vertical barrel 21 is fixedly connected to the side wall and the bottom surface of the inner shell 12, a vent hole III 23 and a vent hole IV 24 are arranged at the connecting end of the vertical barrel 21 and the inner shell 12, the vent hole III 23 is communicated with a vent hole I15, the vent hole IV 24 is communicated with a vent hole II 16, an air inlet hole 22 is further arranged at one end of the vertical barrel 21, which is far away from the side wall of the inner shell 12, and the inside of the vertical barrel 21 is communicated with the inner cavity of the inner shell 12 through the air inlet hole 22; the filter screen 25 is obliquely and fixedly connected to the inner wall of the vertical barrel 21, and the filter screen 25 is positioned between the air inlet 22 and the vent hole III 23. The purpose of the filter screen 25 is to prevent dust from entering the shaft barrel 21 and the inside of the housing 1, resulting in difficulty in cleaning.
The fourth concrete implementation mode is as follows: as shown in fig. 5, the present embodiment is further described with respect to the first embodiment, and the movable apparatus 3 includes a sliding barrel 31 and a funnel 34; the sliding barrel 31 is in sliding fit with the vertical barrel 21, the bottom end of the sliding barrel 31 is provided with an inclined surface, and the sliding barrel 31 is positioned at the upper end of the filter screen 25; the bottom end of the grass side surface of the sliding barrel 31 is provided with a communicating hole I33, the communicating hole I33 is communicated with a vent hole III 23 or a vent hole IV 24, and the upper end of the sliding barrel 31 is fixedly connected with a funnel 34. The funnel 34 is used to collect rainwater. When the sliding barrel 31 contacts the filter screen 25, the communication hole I33 is communicated with the vent hole III 23.
The fifth concrete implementation mode is as follows: as shown in fig. 4, the first embodiment is further described, and the movable apparatus 3 further includes a control apparatus 32; the control device 32 is fixedly connected in the sliding barrel 31.
The sixth specific implementation mode: as shown in fig. 6, the present embodiment is further described with respect to the first embodiment, and the control device 32 includes a fixing base 321, a sliding block 324, and a rubber bag 327; the fixed seat 321 is fixedly connected to the inner wall of the sliding barrel 31, a groove 323 is formed in the center of the top end of the fixed seat 321, a communicating hole II 322 is formed in the bottom end of the fixed seat 321, a communicating hole III 325 is formed in the top end of the fixed seat 321, and the other ends of the communicating hole II 322 and the communicating hole III 325 are communicated with the groove 323; the sliding block 324 is in sliding fit with the groove 323, a rubber bag 327 is fixedly connected to the bottom end of the sliding block 324, and a transverse hole 326 is further formed in the sliding block 324. The expansion and contraction of the rubber bag 327 drive the sliding block 324 to move, so that two ends of the hole 326 are respectively communicated or disconnected with the second communication hole 322 and the third communication hole 325, gas exchange is performed, gas exchange is not performed, disconnection is performed, dust entering the shell 1 in rainy days or spring and autumn and other weather with low temperature is effectively reduced, the quality of dust cleaning is reduced, long-time rain failure is avoided, and excessive dust accumulation causes influence on heat dissipation.
The seventh embodiment: as shown in fig. 4 and 6, in this embodiment, as to the first embodiment, when the rubber bag 327 expands by heat, both ends of the hole 326 communicate with the communication hole ii 322 and the communication hole iii 325, respectively. Two ends of the hole 326 are respectively communicated with the communication hole II 322 and the communication hole III 325 so as to exchange gas conveniently.
The working principle of the invention is as follows: when the device is used in summer, the air in the inner shell 12 is expanded by heat generated at high temperature of the sun and when the signal intensifier works, the air enters the vertical barrel 21 through the air inlet 22, the sliding barrel 31 is jacked upwards along with the expansion of the air, the sliding barrel 31 moves upwards to drive the communication hole I33 to move upwards, so that the communication hole I33 is separated from the air vent III 23, the air vent III 23 is communicated with the inside of the vertical barrel 21, hot air enters the cavity 13 through the air inlet 22 and the air vent III 23, and two ends of the cutting device 14, which are vertical to the horizontal plane, are propped open to the outside and are discharged, and gas exchange is carried out to finish primary heat dissipation, when the inside of the shell 1 is overheated, when the ventilation efficiency of the dividing device 14 is lower than the expansion speed of the air in the shell 1, the sliding barrel 31 continues to move upwards and is communicated with the vent hole IV 24, meanwhile, the heat also drives the air in the rubber bag 327 to expand, further drives the rubber bag 327 to stretch and expand, the rubber bag 327 drives the sliding block 324 to move upwards, so that two ends of the hole 326 are respectively communicated with the vent hole II 322 and the vent hole III 325, a part of hot air enters the cavity 13 through the air inlet hole 22 and the vent hole III 23 and then is discharged through the vent hole II 16, the vent hole IV 24, the vent hole I33, the vent hole II 322, the hole 326 and the vent hole III 325, the internal temperature of the shell 1 is ensured to be proper, the situation that the internal temperature is overheated to cause accelerated aging of elements and the service life is influenced is avoided;
when the device is used in winter, the bottom ends of the two elastic rubber sheets on the dividing device 14 are contacted with each other under the action of self elasticity, so that the cavity 13 is closed, the air in the rubber bag 327 is cooled and contracted, the two ends of the hole 326 are disconnected with the communication hole II 322 and the communication hole III 325, a cavity is formed in the sliding barrel 31, a plurality of closed cavities are formed on the side surface of the signal intensifier body 4, the external cold air is isolated by the cavities, and meanwhile, the heat emitted by the signal intensifier body 4 during working is reduced and lost, so that the temperature in the shell 1 is ensured;
when raining, the control device 32 is arranged in the middle of the sliding barrel 31, rainwater can gather at the upper end of the control device 32, after the raining stops, the rubber bag 327 is heated and expanded, two ends of the hole 326 are respectively communicated with the communicating hole II 322 and the communicating hole III 325, the rainwater enters the sliding barrel 31 through the hole 326, the communicating hole II 322 and the communicating hole III 325 to wash and clean dust in the sliding barrel 31, then enters the cavity 13 along the communicating hole I33, the air hole III 23 or the air hole IV 24, after a certain volume is gathered in the cavity 13 or air in the cavity 13 is heated and expanded, the dividing device 14 is opened and discharged under the pressure of hot air, the cavity 13 is washed and cleaned, and the dust is prevented from being accumulated in the cavity 13 and the sliding barrel 31, so that the heat dissipation efficiency is further influenced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides a severe cold district electric energy meter data acquisition signal intensifier which characterized in that: comprises a shell (1) and a signal intensifier body (4); the shell (1) comprises an outer shell (11), an inner shell (12) and a dividing device (14); the bottom of the outer shell (11) is hollow, the top end of the inner shell (12) is hollow, the hollow end of the inner shell (12) is fixedly connected to the top wall of the inner wall of the outer shell (11), and a cavity (13) is formed between the outer shell (11) and the side wall of the inner shell (12); the dividing device (14) is fixedly connected in a cavity (13) between the outer shell (11) and the inner shell (12); the top end of the outer shell (11) is also provided with a through hole I (18); the signal intensifier body (4) is fixedly connected to the top end of the inner wall of the outer shell (11), the signal intensifier body (4) is located inside the inner shell (12), and a signal receiver of the signal intensifier body (4) penetrates through the through hole I (18) and is exposed out of the outer end of the outer shell (11); the cutting device (14) is composed of two elastic rubber sheets, each elastic rubber sheet is in a V shape, one ends of the two V-shaped elastic rubber sheets are fixedly connected to the side walls of the outer shell (11) and the inner shell (12) respectively, and the other ends of the two V-shaped elastic rubber sheets are perpendicular to the horizontal plane and are in contact with each other;
the electric energy meter data acquisition signal intensifier in the alpine region further comprises a connecting device (2) and a movable device (3); the top end of the outer shell (11) is also provided with a through hole II (17); the connecting device (2) is fixedly connected in the inner shell (12), and the upper end of the connecting device (2) penetrates through the through hole II (17); the movable device (3) is in sliding fit with the connecting device (2); the side surface of the inner shell (12) is provided with a vent hole I (15) and a vent hole II (16), the vent hole I (15) and the vent hole II (16) are communicated with the cavity (13), and the vent hole I (15) and the vent hole II (16) are also communicated with the connecting device (2);
the connecting device (2) comprises a vertical barrel (21); the vertical barrel (21) is fixedly connected to the side wall and the bottom surface of the inner shell (12), a vent hole III (23) and a vent hole IV (24) are arranged at the connecting end of the vertical barrel (21) and the inner shell (12), the vent hole III (23) is communicated with the vent hole I (15), the vent hole IV (24) is communicated with the vent hole II (16), an air inlet hole (22) is further formed in one end, far away from the side wall of the inner shell (12), of the vertical barrel (21), and the interior of the vertical barrel (21) is communicated with the inner cavity of the inner shell (12) through the air inlet hole (22);
the movable device (3) comprises a sliding barrel (31); the sliding barrel (31) is in sliding fit with the vertical barrel (21), the bottom end of the sliding barrel (31) is an inclined plane, the bottom end of the side face of the sliding barrel (31) is provided with a communicating hole I (33), and the communicating hole I (33) is communicated with a vent hole III (23) or a vent hole IV (24);
said mobile device (3) further comprises a control device (32); the control device (32) is fixedly connected in the sliding barrel (31); the control device (32) comprises a fixed seat (321), a sliding block (324) and a rubber bag (327); the fixed seat (321) is fixedly connected to the inner wall of the sliding barrel (31), a groove (323) is formed in the center of the top end of the fixed seat (321), a communicating hole II (322) is formed in the bottom end of the fixed seat (321), a communicating hole III (325) is formed in the top end of the fixed seat (321), and the other ends of the communicating hole II (322) and the communicating hole III (325) are communicated with the groove (323); the sliding block (324) is in sliding fit with the groove (323), the bottom end of the sliding block (324) is fixedly connected with a rubber bag (327), and a transverse hole (326) is further formed in the sliding block (324).
2. The high and cold region electric energy meter data acquisition signal intensifier as claimed in claim 1, characterized in that: the connecting device (2) also comprises a filter screen (25); the filter screen (25) is obliquely and fixedly connected to the inner wall of the vertical barrel (21), and the filter screen (25) is positioned between the air inlet hole (22) and the vent hole III (23).
3. The high and cold area electric energy meter data acquisition signal intensifier as claimed in claim 2, characterized in that: the mobile device (3) further comprises a funnel (34); the upper end of the sliding barrel (31) is fixedly connected with a funnel (34), and the sliding barrel (31) is positioned at the upper end of the filter screen (25).
4. The high and cold area electric energy meter data acquisition signal intensifier as claimed in claim 3, characterized in that: when the rubber bag (327) is heated and expanded, two ends of the hole (326) are respectively communicated with the communicating hole II (322) and the communicating hole III (325).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110633632.1A CN113301756B (en) | 2021-06-07 | 2021-06-07 | High and cold area electric energy meter data acquisition signal intensifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110633632.1A CN113301756B (en) | 2021-06-07 | 2021-06-07 | High and cold area electric energy meter data acquisition signal intensifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113301756A CN113301756A (en) | 2021-08-24 |
| CN113301756B true CN113301756B (en) | 2022-11-01 |
Family
ID=77327563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110633632.1A Active CN113301756B (en) | 2021-06-07 | 2021-06-07 | High and cold area electric energy meter data acquisition signal intensifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113301756B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115902328B (en) * | 2022-12-26 | 2023-07-04 | 国网黑龙江省电力有限公司供电服务中心 | Electric energy meter constant temperature device and constant temperature method in alpine region |
| CN117998788A (en) * | 2024-04-07 | 2024-05-07 | 山西腾友科技有限公司 | Electric cabinet for alpine region |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010123881A (en) * | 2008-11-21 | 2010-06-03 | Fujikura Ltd | Cold plate |
| EP2884826A2 (en) * | 2013-12-13 | 2015-06-17 | Omron Corporation | Electronic device |
| WO2016092919A1 (en) * | 2014-12-09 | 2016-06-16 | カルソニックカンセイ株式会社 | Electronic unit |
| CN208078630U (en) * | 2018-02-08 | 2018-11-09 | 绍兴虹宇环保科技有限公司 | A kind of electric appliance overtemperature protection system |
| CN208940294U (en) * | 2018-06-07 | 2019-06-04 | 河南农贝得农业科技有限公司 | Unmanned plane high-precision satellite navigation system |
| CN209149732U (en) * | 2018-12-29 | 2019-07-23 | 江西联创南分科技有限公司 | A kind of colorful curved surface LED display screen connection box |
| CN111313126A (en) * | 2020-02-24 | 2020-06-19 | 日照金慧科技信息咨询有限公司 | New energy automobile battery heat preservation device utilizing principle of expansion with heat and contraction with cold |
| CN111525418A (en) * | 2020-04-30 | 2020-08-11 | 广东电网有限责任公司东莞供电局 | Heat dissipation box and cubical switchboard |
| CN211557815U (en) * | 2019-12-31 | 2020-09-22 | 吉林市成屹电力技术服务有限公司 | Electric machine room cooling system |
| CN111708725A (en) * | 2020-06-17 | 2020-09-25 | 河南广播电视大学 | Electronic information engineering experimental device |
| CN111969149A (en) * | 2020-08-25 | 2020-11-20 | 吴森利 | New energy automobile battery box |
| CN112000186A (en) * | 2020-08-18 | 2020-11-27 | 汪彩云 | Server information processing equipment based on internet big data |
| CN112566394A (en) * | 2020-11-20 | 2021-03-26 | 伍磊 | Waterproof remote geographic information positioning device and positioning method |
| CN112582912A (en) * | 2020-12-01 | 2021-03-30 | 周宇 | Heat radiation structure of outdoor transformer case of 5G communication base station |
| CN212992836U (en) * | 2020-09-07 | 2021-04-16 | 江苏奥尼克电气股份有限公司 | Short-circuit-proof automotive electronic regulator |
| CN213187033U (en) * | 2020-10-26 | 2021-05-11 | 深圳市复旺科技有限公司 | Anti-interference ammonia gas sensor |
-
2021
- 2021-06-07 CN CN202110633632.1A patent/CN113301756B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010123881A (en) * | 2008-11-21 | 2010-06-03 | Fujikura Ltd | Cold plate |
| EP2884826A2 (en) * | 2013-12-13 | 2015-06-17 | Omron Corporation | Electronic device |
| WO2016092919A1 (en) * | 2014-12-09 | 2016-06-16 | カルソニックカンセイ株式会社 | Electronic unit |
| CN208078630U (en) * | 2018-02-08 | 2018-11-09 | 绍兴虹宇环保科技有限公司 | A kind of electric appliance overtemperature protection system |
| CN208940294U (en) * | 2018-06-07 | 2019-06-04 | 河南农贝得农业科技有限公司 | Unmanned plane high-precision satellite navigation system |
| CN209149732U (en) * | 2018-12-29 | 2019-07-23 | 江西联创南分科技有限公司 | A kind of colorful curved surface LED display screen connection box |
| CN211557815U (en) * | 2019-12-31 | 2020-09-22 | 吉林市成屹电力技术服务有限公司 | Electric machine room cooling system |
| CN111313126A (en) * | 2020-02-24 | 2020-06-19 | 日照金慧科技信息咨询有限公司 | New energy automobile battery heat preservation device utilizing principle of expansion with heat and contraction with cold |
| CN111525418A (en) * | 2020-04-30 | 2020-08-11 | 广东电网有限责任公司东莞供电局 | Heat dissipation box and cubical switchboard |
| CN111708725A (en) * | 2020-06-17 | 2020-09-25 | 河南广播电视大学 | Electronic information engineering experimental device |
| CN112000186A (en) * | 2020-08-18 | 2020-11-27 | 汪彩云 | Server information processing equipment based on internet big data |
| CN111969149A (en) * | 2020-08-25 | 2020-11-20 | 吴森利 | New energy automobile battery box |
| CN212992836U (en) * | 2020-09-07 | 2021-04-16 | 江苏奥尼克电气股份有限公司 | Short-circuit-proof automotive electronic regulator |
| CN213187033U (en) * | 2020-10-26 | 2021-05-11 | 深圳市复旺科技有限公司 | Anti-interference ammonia gas sensor |
| CN112566394A (en) * | 2020-11-20 | 2021-03-26 | 伍磊 | Waterproof remote geographic information positioning device and positioning method |
| CN112582912A (en) * | 2020-12-01 | 2021-03-30 | 周宇 | Heat radiation structure of outdoor transformer case of 5G communication base station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113301756A (en) | 2021-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113301756B (en) | High and cold area electric energy meter data acquisition signal intensifier | |
| CN207944742U (en) | A kind of energy-saving communication base station | |
| CN208316045U (en) | A kind of AC low voltage power switch box | |
| CN210536123U (en) | Outdoor waterproof and moistureproof alternating-current low-voltage power distribution cabinet | |
| CN210921695U (en) | Environment-friendly ventilation building | |
| CN213044040U (en) | Detachable 5G communication cabinet | |
| CN212463783U (en) | Trapezoidal ventilation box cover plate | |
| CN221173441U (en) | Photoelectric sensor with protection mechanism | |
| CN219740319U (en) | A heat abstractor for photovoltaic | |
| CN217560696U (en) | Monitor based on environmental protection monitoring | |
| CN215373016U (en) | Middle-deep geothermal well heat-taking non-water-taking type efficient heat exchanger | |
| CN219891302U (en) | Intelligent electric power network instrument | |
| CN213398676U (en) | Electronic three-phase four-wire multifunctional electric energy meter | |
| CN219222900U (en) | Air source heat pump unit | |
| CN213425485U (en) | Switch board with shock-absorbing function height protection | |
| CN117595785B (en) | Distributed photovoltaic power station information acquisition and monitoring device | |
| CN210325412U (en) | Cabinet type transformer with heat dissipation waterproof mechanism | |
| CN205142686U (en) | Communication cabinet | |
| CN220400816U (en) | New energy battery cover plate convenient to detach | |
| CN220754049U (en) | Box-type substation | |
| CN215011100U (en) | Host machine cabinet formed by indoor and outdoor block chain nodes | |
| CN210861518U (en) | But remote temperature control system based on little computer lab that assembles | |
| CN218292962U (en) | Energy storage prefabricated cabin with environment monitoring function | |
| CN219740837U (en) | Antifreezing device of fan weather instrument | |
| CN218976104U (en) | Mounting structure of box-type substation |
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 |