CN110957656B - Outdoor dynamic heat dissipation looped netowrk cabinet - Google Patents

Outdoor dynamic heat dissipation looped netowrk cabinet Download PDF

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Publication number
CN110957656B
CN110957656B CN201911312778.5A CN201911312778A CN110957656B CN 110957656 B CN110957656 B CN 110957656B CN 201911312778 A CN201911312778 A CN 201911312778A CN 110957656 B CN110957656 B CN 110957656B
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China
Prior art keywords
heat dissipation
temperature
cabinet body
main unit
switch
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CN201911312778.5A
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Chinese (zh)
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CN110957656A (en
Inventor
范文君
吴桢
殷伟
黄彬彬
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Wuhu Yilaite Electric Co ltd
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Wuhu Yilaite Electric Co ltd
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Priority to CN201911312778.5A priority Critical patent/CN110957656B/en
Publication of CN110957656A publication Critical patent/CN110957656A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56Cooling; Ventilation
    • H02B1/565Cooling; Ventilation for cabinets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/28Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor

Abstract

The invention discloses an outdoor dynamic heat dissipation ring main unit, which comprises a cabinet body, wherein a containing cavity is arranged inside the cabinet body, a plurality of heat dissipation ports are arranged on the side wall of the periphery of the cabinet body, a plurality of heat dissipation ports are also arranged at the top of the cabinet body, top covers matched with the heat dissipation ports are arranged above the heat dissipation ports, a connecting rod is connected between the top covers, the connecting rod is connected with an electric lifting rod, the electric lifting rod is fixedly arranged at the top of the cabinet body, a water receiving disc is arranged on the electric lifting rod, a humidity switch is arranged inside the water receiving disc, whether water exists in the water receiving disc is detected, the humidity switch is closed when no water exists, the humidity switch is opened when water exists, a temperature switch is arranged inside the containing cavity and is provided with a preset temperature, the temperature switch detects that the temperature in the containing cavity is higher than the preset temperature, the temperature switch is closed and is lower than the preset temperature, and the temperature switch is opened, the temperature switch, the humidity switch and the electric lifting rod are connected in series. Different heat dissipation is realized according to specific environment.

Description

Outdoor dynamic heat dissipation looped netowrk cabinet
Technical Field
The invention relates to the technical field of ring main units, in particular to an outdoor dynamic heat dissipation ring main unit.
Background
The ring main unit is an electrical device of an assembled interval ring main power supply unit, and essentially a high-voltage switch device, and a cabinet body is arranged outside the high-voltage switch device. The ring main unit can improve power supply safety and is widely applied to power distribution stations of residential districts, high-rise buildings, office buildings and the like.
Wherein, partial looped netowrk cabinet is placed in the open air when using, and the looped netowrk cabinet is carrying out the during operation, or along with ambient temperature's change, the inside temperature of looped netowrk cabinet can produce certain change, when the inside high temperature of looped netowrk cabinet, has certain potential safety hazard to the high temperature can aggravate electrical equipment's ageing, shortens life. The existing ring main unit is mainly provided with heat dissipation holes around the main body so as to dissipate heat inside the ring main unit.
However, the applicant has found that the prior art has at least the following problems:
the heat dissipation effect of the openings on the periphery is general, and the heat dissipation strength cannot be changed according to specific conditions.
Disclosure of Invention
In view of this, the present invention provides an outdoor dynamic heat dissipation ring main unit, which improves heat dissipation effect according to specific situations.
The invention provides an outdoor dynamic heat dissipation ring main unit, which comprises a main body, wherein a containing cavity is arranged in the main body, a plurality of heat dissipation ports are arranged on the side wall of the main body, a plurality of heat dissipation ports are also arranged at the top of the main body, top covers matched with the heat dissipation ports are arranged above the heat dissipation ports, a connecting rod is connected between the top covers, the connecting rod is connected with an electric lifting rod, the electric lifting rod is fixedly arranged at the top of the main body, a water receiving disc is arranged on the electric lifting rod, a humidity switch is arranged in the water receiving disc and used for detecting whether water exists in the water receiving disc, the humidity switch is closed when no water exists, the humidity switch is opened when water exists, a temperature switch is arranged in the containing cavity and is provided with a preset temperature, the temperature switch detects that the temperature in the containing cavity is higher than the preset temperature, the temperature switch is closed when no water exists, and is lower than the preset temperature, the temperature switch is disconnected, and the temperature switch, the humidity switch and the electric lifting rod are connected in series.
In some optional embodiments, a plurality of the heat discharging openings are arranged in a line, a rotating shaft is arranged inside the cabinet body, the rotating shaft is arranged along the arrangement direction of the heat discharging openings, the rotating shaft is in power connection with a driving motor, an installation cover is arranged outside the side wall of the cabinet body, the driving motor is installed in the installation cover, the driving motor is electrically connected with the temperature switch, a plurality of dustproof assemblies are installed on the rotating shaft, each dustproof assembly comprises a plurality of dustproof structures, each dustproof structure comprises two installation plates vertically installed on the rotating shaft, an installation shaft is installed between the two installation plates, a dustproof net is fixedly installed on the installation shaft and is perpendicular to the installation plates, the uppermost dustproof net blocks the lower end parts of the heat discharging openings, the installation shaft extends out of the installation plates at two ends, and limit blocks are arranged at two ends of the installation shaft, the stopper with install torsion spring between the mounting panel, torsion spring both ends are connected respectively the stopper with the mounting panel, it is a plurality of the aperture of the last dust screen of dustproof construction is different.
In some optional specific embodiments, a dust collector is arranged below the dustproof assembly, a side wall of the dust collector, which is far away from the heat exhaust opening, extends upwards to form a dust baffle, and a side wall of the dust collector, which is close to the heat exhaust opening, is provided with a dust sweeping block.
In some optional specific embodiments, an end of the dust collector extends out of the cabinet, and a handle is arranged at the end of the dust collector extending out of the cabinet.
In some optional specific embodiments, the heat exhausting opening extends towards the top of the cabinet body, and the outer wall of the heat exhausting opening is provided with a circular arc part.
In some optional specific embodiments, an arc-shaped drainage part is arranged around the top of the cabinet body.
In some optional specific embodiments, a vertical guide post is connected below the connecting rod, and a guide sleeve matched with the guide post is arranged at the top of the cabinet body.
In some optional embodiments, an arc-shaped protective cover is arranged above the heat dissipation opening.
From the above, according to the outdoor dynamic heat dissipation ring main unit provided by the invention, the temperature switch is arranged in the main unit, the top of the main unit is provided with the heat extraction opening, the heat extraction opening is provided with the top cover, the top cover is controlled by the electric lifting rod, the top of the main unit is provided with the water receiving tray, and the humidity switch is arranged in the water receiving tray. When the temperature in the cabinet body is too high, and no water exists in the water receiving tray, the top cover rises, the heat discharging opening can perform heat dissipation of the cabinet body, when water exists in the water receiving tray or the stability in the cabinet body is small, the top cover covers, dust and the like are prevented from entering, dynamic heat dissipation of the cabinet body is achieved, and entering of the dust in the cabinet body is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an outdoor dynamic heat dissipation ring main unit according to an embodiment of the present invention;
fig. 2 is a partial schematic view of an outdoor dynamic heat dissipation ring main unit according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
fig. 4 is a side view of the dust guard assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
As one embodiment of the invention, as shown in the figure, an outdoor dynamic heat dissipation ring main unit comprises a main body 1, a housing cavity 101 is arranged inside the main body 1, a plurality of heat dissipation ports 2 are arranged on the side wall of the main body 1, a plurality of heat dissipation ports 4 are further arranged on the top of the main body 1, a top cover 5 matched with the heat dissipation ports 4 is arranged above the heat dissipation ports 4, a connecting rod 8 is connected between the top covers 5, the connecting rod 8 is connected with an electric lifting rod 7, the electric lifting rod 7 is fixedly arranged on the top of the main body 1, a water receiving tray 6 is arranged on the electric lifting rod 7, a humidity switch is arranged inside the water receiving tray 6, whether water exists in the water receiving tray 6 is detected, the humidity switch is closed when no water exists, the humidity switch is opened when water exists, a temperature switch is arranged inside the housing cavity 101, and a preset temperature is set in the housing cavity 101, and, the temperature is greater than and predetermines the temperature, and temperature switch is closed, and the temperature is less than and predetermines the temperature, and temperature switch disconnection, temperature switch, humidity switch reach electric lift 7 establishes ties. When using, when the temperature in the cabinet body 1 is higher than when presetting the temperature, temperature switch is closed, if anhydrous in the water collector 6 this moment, then the humidity switch is closed, the circuit switch-on, electric lift rod 7 rises, top cap 5 leaves heat extraction mouth 4 surfaces, heat extraction mouth 4 is got rid of the heat, when the temperature is less than when presetting the temperature in the cabinet body 1, the temperature switch disconnection, electric lift rod 7 retracts, top cap 5 closes heat extraction mouth 4 export lid, it gets into to reduce the dust, there is water in the water collector 6, the humidity switch disconnection, at this moment, no matter how the temperature in the cabinet body 1 is, top cap 5 does not shift up, in the weather of preventing raining, rainwater etc. gets into cabinet body 1 inside from heat extraction mouth 4, make cabinet body 1 inside receive the damage. The dynamic heat dissipation of the interior of the cabinet body 1 is realized, and the condition of dust and rainwater invasion is reduced.
In some optional embodiments, a plurality of heat discharging openings 4 are arranged in a line, a rotating shaft 11 is arranged inside the cabinet 1, the rotating shaft 11 is arranged along the arrangement direction of the heat discharging openings 4, the rotating shaft 11 is in power connection with a driving motor 111, an installation cover 103 is arranged outside the side wall of the cabinet 1, the driving motor 111 is installed in the installation cover 103, the driving motor 111 is electrically connected with the temperature switch, a plurality of dustproof assemblies are installed on the rotating shaft 11, each dustproof assembly comprises a plurality of dustproof structures, each dustproof structure comprises two installation plates 12 vertically installed on the rotating shaft 11, an installation shaft 13 is installed between the two installation plates 12, a dustproof net 15 is fixedly installed on the installation shaft 13, the dustproof net 15 is perpendicular to the installation plates 12, wherein the uppermost dustproof net 15 blocks the lower end parts of the heat discharging openings 4, the both ends of installation axle 13 are stretched out mounting panel 12, install the axle 13 both ends and be equipped with stopper 131, stopper 131 with install torsion spring 14 between the mounting panel 12, torsion spring 14 both ends are connected respectively stopper 131 with mounting panel 12, it is a plurality of dust screen 15 on the dustproof construction's aperture is different. When the temperature in the cabinet body 1 is greater than preset temperature, top cap 5 is opened, in the dustproof construction this moment, the minimum dust screen 15 in aperture blocks up 4 lower extremes of heat extraction opening, when the temperature in the cabinet body 1 still is greater than preset temperature, driving motor 111 starts, rotation axis 11 is rotatory, the less dustproof construction in 15 apertures of dust screen plugs up 4 lower extremes of heat extraction opening, increase the heat dissipation, dustproof effect correspondingly descends simultaneously, after the temperature in the cabinet body 1 falls down, its temperature is less than preset temperature, then the less dust screen 15 in aperture is rotatory to heat extraction opening 4 below, increase dustproof effect, realize heat dissipation and dirt-proof dynamic balance.
In some alternative embodiments, a dust collector 16 is disposed below the dust-proof assembly, a side wall of the dust collector 16 away from the heat discharging opening 4 extends upward to form a dust baffle 162, and a side wall of the dust collector 16 close to the heat discharging opening 4 is provided with a dust sweeping block 161. When the rotary shaft 11 rotates, the dust sweeping block 161 sweeps dust on the dust screen 15.
In some alternative embodiments, one end of the dust collector 16 extends out of the cabinet 1, and the end of the dust collector 16 extending out of the cabinet 1 is provided with a handle 163. It is convenient to take out the dust container 16 and remove the dust thereon.
In some optional embodiments, the heat exhausting opening 4 extends towards the top of the cabinet 1, and an outer wall of the heat exhausting opening 4 has a circular arc portion 401. The waterproof performance is increased.
In some optional embodiments, the top of the cabinet 1 is provided with a circular arc-shaped drainage portion 102 at the periphery, and the drainage portion 102 can increase drainage of water accumulated at the top of the cabinet 1.
In some optional embodiments, a vertical guide post 9 is connected below the connecting rod 8, and a guide sleeve 10 matched with the guide post 9 is arranged at the top of the cabinet body 1. The stability of the top cover 5 when moving up and down is increased.
In some alternative embodiments, an arc-shaped protecting cover 3 is disposed above the heat dissipating opening 2. Reduce the influence of dust, rainwater and the like.
The working principle of the invention is as follows: when using, when the temperature in the cabinet body 1 is higher than the preset temperature, temperature switch is closed, if there is no water in the water collector 6 at this moment, then humidity switch is closed, the circuit is connected, electric lifter 7 rises, top cover 5 leaves heat extraction port 4 surface, heat extraction port 4 gets rid of the heat, in the dustproof construction this moment, dustproof net 15 that the aperture is the minimum blocks up heat extraction port 4 lower extreme, when the temperature in the cabinet body 1 still is greater than the preset temperature, driving motor 111 starts, rotation axis 11 rotates, dustproof construction that dustproof net 15 aperture is less plugs up heat extraction port 4 lower extreme, increase the heat dissipation, dustproof effect correspondingly descends simultaneously, after the temperature in the cabinet body 1 falls down, its temperature is less than the preset temperature, then dustproof net 15 that the aperture is less rotates to heat extraction port 4 below, increase dustproof effect, realize heat dissipation and dirt-proof dynamic balance. When the temperature is less than when predetermineeing the temperature in the cabinet body 1, the temperature switch disconnection, electric lift rod 7 contracts back, and top cap 5 closes heat extraction mouth 4 export lid, reduces the dust and gets into, has water in the water collector 6, and the disconnection of humidity switch, at this moment, no matter how the temperature in the cabinet body 1, top cap 5 does not shift up, prevents during rainy weather, rainwater etc. from heat extraction mouth 4 entering cabinet body 1 inside, makes cabinet body 1 inside receive the damage. The dynamic heat dissipation of the interior of the cabinet body 1 is realized, and the condition of dust and rainwater invasion is reduced.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims), is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
Additionally, well known power/ground connections to integrated circuit IC) chips and other components may or may not be shown in the provided figures for simplicity of illustration and discussion, and so as not to obscure the invention. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the invention, and also in view of the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the present invention is to be implemented, i.e., specifics should be well within purview of one skilled in the art). Where specific details such as circuits are set forth in order to describe example embodiments of the invention, it should be apparent to one skilled in the art that the invention can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.
While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. E.g., dynamic RAMDRAM)) may use the discussed embodiments.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (6)

1. The utility model provides an outdoor developments heat dissipation looped netowrk cabinet which characterized in that: the improved water-saving cabinet comprises a cabinet body (1), wherein a containing cavity (101) is arranged inside the cabinet body (1), a plurality of heat dissipation ports (2) are arranged on side walls of the cabinet body (1) on the periphery, a plurality of heat dissipation ports (4) are further arranged at the top of the cabinet body (1), a top cover (5) matched with the heat dissipation ports is arranged above the heat dissipation ports (4), a plurality of top covers (5) are connected with a connecting rod (8) therebetween, the connecting rod (8) is connected with an electric lifting rod (7), the electric lifting rod (7) is fixedly arranged at the top of the cabinet body (1), a water receiving tray (6) is arranged on the electric lifting rod (7), a humidity switch is arranged inside the water receiving tray (6), whether water exists in the water receiving tray (6) or not is detected, the humidity switch is closed when no water exists, when water exists, the humidity switch is disconnected, a temperature switch is arranged inside the containing cavity (101), and is, the temperature is higher than the preset temperature, the temperature switch is closed, the temperature is lower than the preset temperature, the temperature switch is opened, and the temperature switch, the humidity switch and the electric lifting rod (7) are connected in series;
a plurality of heat extraction opening (4) become the inline, the inside rotation axis (11) that is equipped with of the cabinet body (1), rotation axis (11) along heat extraction opening (4) direction of arrangement sets up, rotation axis (11) power connection has driving motor (111), the cabinet body (1) lateral wall outside is equipped with installation cover (103), driving motor (111) install in installation cover (103), driving motor (111) with temperature switch electric connection, install a plurality of dustproof subassemblies on rotation axis (11), dustproof subassembly includes a plurality of dustproof construction, dustproof construction includes vertical two mounting panels (12) of installing on rotation axis (11), installs installation axle (13) between two mounting panels (12), and fixed mounting has dust screen (15) on installation axle (13), and dust screen (15) are perpendicular with mounting panel (12), wherein, dustproof mesh (15) the top block up the lower tip of heat extraction mouth (4), installation axle (13) both ends are stretched out mounting panel (12), installation axle (13) both ends are equipped with stopper (131), stopper (131) with install torque spring (14) between mounting panel (12), torque spring (14) both ends are connected respectively stopper (131) with mounting panel (12), it is a plurality of the aperture of last dustproof mesh (15) of dustproof construction is different.
2. The outdoor dynamic heat dissipation ring main unit as claimed in claim 1, wherein a dust collector (16) is disposed below the dust prevention assembly, a side wall of the dust collector (16) away from the heat exhausting opening (4) extends upward to form a dust blocking plate (162), and a side wall of the dust collector (16) close to the heat exhausting opening (4) is provided with a dust sweeping block (161).
3. An outdoor dynamic heat dissipation ring main unit as claimed in claim 2, wherein an end of the dust collector (16) extends out of the main unit body (1), and a handle (163) is disposed at an end of the dust collector (16) extending out of the main unit body (1).
4. An outdoor dynamic heat dissipation ring main unit as claimed in claim 1, wherein the heat exhausting opening (4) extends towards the top of the main unit body (1), and an outer wall of the heat exhausting opening (4) has a circular arc portion (401).
5. The outdoor dynamic heat dissipation ring main unit as claimed in claim 1, wherein the top of the main unit (1) is provided with a circular arc-shaped water drainage portion (102) at the periphery.
6. An outdoor dynamic heat dissipation ring main unit as claimed in claim 1, wherein a vertical guide post (9) is connected below the connecting rod (8), and a guide sleeve (10) matched with the guide post (9) is arranged at the top of the main unit (1).
CN201911312778.5A 2019-12-18 2019-12-18 Outdoor dynamic heat dissipation looped netowrk cabinet Active CN110957656B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911312778.5A CN110957656B (en) 2019-12-18 2019-12-18 Outdoor dynamic heat dissipation looped netowrk cabinet

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Application Number Priority Date Filing Date Title
CN201911312778.5A CN110957656B (en) 2019-12-18 2019-12-18 Outdoor dynamic heat dissipation looped netowrk cabinet

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CN110957656A CN110957656A (en) 2020-04-03
CN110957656B true CN110957656B (en) 2021-08-24

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112611505B (en) * 2020-12-30 2021-10-29 湖南启泰传感科技有限公司 High-precision small dustproof pressure sensor with strong loading capacity

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CN205407031U (en) * 2016-02-18 2016-07-27 王明晟 Dustproof block terminal of heat dissipation
CN107069497A (en) * 2017-05-24 2017-08-18 长春工程学院 A kind of outdoor energy-saving heat radiating type regulator cubicle
CN107370027A (en) * 2017-08-14 2017-11-21 孙文站 A kind of sand-proof outdoor electric cabinet
CN207098335U (en) * 2017-06-19 2018-03-13 东莞市华开电气设备有限公司 The distributed board outdoor that a kind of tensioning dynamics automatically adjusts
CN107994472A (en) * 2017-11-17 2018-05-04 湖南湘讯企业管理有限公司 A kind of outdoor rain-proof heat dissipation power distribution cabinet
CN207320589U (en) * 2017-10-27 2018-05-04 国网山东省电力公司蓬莱市供电公司 A kind of dustproof electric cabinet
CN207475024U (en) * 2017-10-12 2018-06-08 天津市富源电气设备有限公司 A kind of moisture-proof power transformation box of automatic ventilation
CN208385860U (en) * 2018-05-14 2019-01-15 江苏硕德电力技术有限公司 A kind of outdoor power power transformation box with rain-proof ventilating structure
CN208849250U (en) * 2018-09-10 2019-05-10 天津市创辉津控科技发展有限公司 A kind of intelligent electric-controlled cabinet of easy access

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205282899U (en) * 2016-01-15 2016-06-01 安徽迪康电力科技有限公司 Outdoor many function synthesis block terminal
CN205407031U (en) * 2016-02-18 2016-07-27 王明晟 Dustproof block terminal of heat dissipation
CN107069497A (en) * 2017-05-24 2017-08-18 长春工程学院 A kind of outdoor energy-saving heat radiating type regulator cubicle
CN207098335U (en) * 2017-06-19 2018-03-13 东莞市华开电气设备有限公司 The distributed board outdoor that a kind of tensioning dynamics automatically adjusts
CN107370027A (en) * 2017-08-14 2017-11-21 孙文站 A kind of sand-proof outdoor electric cabinet
CN207475024U (en) * 2017-10-12 2018-06-08 天津市富源电气设备有限公司 A kind of moisture-proof power transformation box of automatic ventilation
CN207320589U (en) * 2017-10-27 2018-05-04 国网山东省电力公司蓬莱市供电公司 A kind of dustproof electric cabinet
CN107994472A (en) * 2017-11-17 2018-05-04 湖南湘讯企业管理有限公司 A kind of outdoor rain-proof heat dissipation power distribution cabinet
CN208385860U (en) * 2018-05-14 2019-01-15 江苏硕德电力技术有限公司 A kind of outdoor power power transformation box with rain-proof ventilating structure
CN208849250U (en) * 2018-09-10 2019-05-10 天津市创辉津控科技发展有限公司 A kind of intelligent electric-controlled cabinet of easy access

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