CN114566895A - High-safety low-voltage switch complete equipment - Google Patents
High-safety low-voltage switch complete equipment Download PDFInfo
- Publication number
- CN114566895A CN114566895A CN202011355808.3A CN202011355808A CN114566895A CN 114566895 A CN114566895 A CN 114566895A CN 202011355808 A CN202011355808 A CN 202011355808A CN 114566895 A CN114566895 A CN 114566895A
- Authority
- CN
- China
- Prior art keywords
- cavity
- heat dissipation
- air
- control cavity
- cylinder
- 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
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Abstract
The invention discloses a high-safety low-voltage switch complete device, and relates to the technical field of electrical equipment. The invention comprises a cabinet body, a cabinet door and a plurality of support legs, wherein the cabinet door is connected with the cabinet body through a hinge, and the support legs are fixedly connected with the bottom surface of the cabinet body; according to the invention, by using the control cavity, the heat dissipation cavity and the ventilation cavity, when the air blower works, wind power passes through the heat dissipation cavity and the ventilation cavity, hot air in the control cavity enters the heat dissipation cavity by using pressure difference, and is finally discharged through the heat dissipation holes, so that the heat dissipation effect is achieved, the control cavity cannot be directly contacted with the outside, dust outside dust cannot enter the control cavity while being dissipated, and the low-voltage switch is protected; according to the invention, by using the cylinder body, when high-speed airflow passes through the lower cylinder, the air pressure in the lower cylinder is reduced, the thick rod and the thin rod push the piston to press downwards, and in the process, air in the upper cylinder enters the control cavity through the air blowing pipe, so that external air is blown into the control cavity, and meanwhile, dust is prevented from entering the control cavity.
Description
Technical Field
The invention belongs to the technical field of electrical equipment, and particularly relates to a low-voltage switch complete set of equipment with high safety.
Background
The low-voltage plant refers to a plant used in a voltage class of 380V or less. The latter is considered from the safety point of view, but the two are not contradictory, because in the power distribution system, the low-voltage electrical appliance refers to a 380V power distribution system, and therefore, in actual work, the low-voltage set refers to electrical appliances used in voltage levels of 380V and below.
However, when the low-voltage complete equipment is used, heat generated by a circuit needs to be dissipated in time, dust is easily brought into the equipment by a traditional heat dissipation device, and the dust is easily accumulated for a long time, so that internal circuit failure is possibly caused, and the service life is influenced.
Disclosure of Invention
The invention aims to provide a low-voltage switch complete equipment with high safety, which solves the problems that the existing low-voltage complete equipment generates heat when in use and needs to dissipate the heat in time, the traditional heat dissipation device easily brings dust into the equipment, the dust accumulation is easily caused after a long time, the internal circuit fault is possibly caused, and the service life is influenced.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to high-safety low-voltage switch complete equipment which comprises a cabinet body, a cabinet door and a plurality of support legs, wherein the cabinet door is connected with the cabinet body through a hinge, the support legs are fixedly connected with the bottom surface of the cabinet body, a control cavity, a heat dissipation cavity and a ventilation cavity are arranged in the cabinet body, a partition plate is arranged between the control cavity and the heat dissipation cavity, a first through hole is formed in the partition plate, the ventilation cavity is positioned at the lower sides of the control cavity and the heat dissipation cavity, a plurality of heat dissipation holes are formed in the ventilation cavity, the heat dissipation cavity is communicated with the ventilation cavity, a bottom plate is arranged between the ventilation cavity and the control cavity, a protective cover is fixedly connected to the upper surface of the cabinet body, an air blower is arranged in the protective cover, and a pipeline of the air blower is communicated with the heat dissipation cavity; the structure ensures that the control cavity can not be directly contacted with the outside, and dust outside can not enter the control cavity while being radiated, thereby being beneficial to protecting the low-voltage switch.
A cylinder body is installed in the ventilation cavity, the cylinder body comprises an upper cylinder and a lower cylinder, a fixing plate is arranged between the upper cylinder and the lower cylinder, the upper cylinder is connected with a thick rod in a sliding mode, the thick rod is connected with a bottom plate of the cabinet body in a sliding mode, the upper end face of the thick rod is fixedly connected with a second stop block, a second spring is arranged on the peripheral side face of the thick rod, the second spring is located between the second stop block and the bottom plate, the lower end face of the thick rod is fixedly connected with a thin rod, the thin rod is connected with the fixing plate in a sliding mode, the upper cylinder and the lower cylinder are both connected with pistons in a sliding mode, the pistons are respectively fixedly connected with the thick rod and the thin rod, the upper cylinder is communicated with an air inlet pipe and an air blowing pipe, the air inlet pipe is communicated with the outside, the air blowing pipe is communicated with the control cavity, and second through holes are formed in the surfaces of the two sides of the lower cylinder; in the above-mentioned structure, when high-speed air current passes through the lower cylinder, atmospheric pressure in the lower cylinder will reduce, thick pole and thin pole will promote the piston and push down this moment, and the air in this in-process upper cylinder will pass through the gas blow pipe entering control chamber, and when the air current through the lower cylinder reduces gradually, the resilience of second spring drives thick pole and thin pole and rises, and the piston rises simultaneously, and the upper cylinder just can be breathed in from the external world through the intake pipe.
Preferably, the upper surface of the protective cover is provided with an air suction opening, and the air suction opening is connected with a pipeline of the air blower, so that the air blower can work conveniently.
Preferably, a pressure sensor is installed on the inner side of the cabinet door, a pressure gauge and a loudspeaker are installed on the outer side of the cabinet door, and the pressure gauge is electrically connected with the loudspeaker and the pressure sensor respectively; in the structure, the pressure sensor can monitor the air pressure change in the control cavity, the pressure gauge can display real-time numerical values, and when the pressure value is abnormal due to overhigh temperature, the loudspeaker can give an alarm by voice.
Preferably, the partition plate is connected with a movable plug in a sliding manner, the lower end of the movable plug is hemispherical, the lower end of the movable plug is positioned in the first through hole, and the upper end of the movable plug is fixedly connected with a first stop block; in the structure, when the temperature in the control cavity is too high, the pressure is increased, the pressure can push the movable plug to contract, and then high-temperature air can enter the heat dissipation cavity.
Preferably, the side face of the periphery of the movable plug is further provided with a first spring, two ends of the first spring are respectively fixedly connected with the first stop block and the partition plate, the first spring has a rebound effect, after the temperature of the control cavity is reduced, the air pressure difference between the control cavity and the heat dissipation cavity is reduced, and the first spring can drive the movable plug to rebound.
Preferably, the air inlet pipe and the air blowing pipe are both provided with check valves, the air inlet pipe is also internally provided with an activated carbon layer to prevent control backflow, and in addition, the activated carbon layer can adsorb moisture in the outside air to prevent moist gas from entering the control cavity.
The invention has the following beneficial effects:
1. according to the invention, by using the control cavity, the heat dissipation cavity and the ventilation cavity, when the air blower works, wind power passes through the heat dissipation cavity and the ventilation cavity and is finally discharged through the heat dissipation holes, in the process, the air in the control cavity is static and motionless, and the air pressure is higher than that of the heat dissipation cavity, so that the air in the control cavity moves towards the heat dissipation cavity under the action of pressure, if a low-voltage switch assembly in the control cavity generates heat, the air pressure difference is larger, high-temperature air can enter the heat dissipation cavity more quickly, and the heat dissipation effect is achieved, the control cavity can not be directly contacted with the outside, dust outside dust can not enter the control cavity while heat dissipation is carried out, and the low-voltage switch is protected;
2. according to the invention, by using the cylinder body, when high-speed airflow passes through the lower cylinder, the air pressure in the lower cylinder is reduced, the thick rod and the thin rod push the piston to press downwards, air in the upper cylinder enters the control cavity through the air blowing pipe in the process, when the airflow passing through the lower cylinder is gradually reduced, the resilience of the second spring drives the thick rod and the thin rod to ascend, the piston ascends, the upper cylinder can suck air from the outside through the air inlet pipe, and the device can effectively replace the air in the control cavity.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic three-dimensional structure diagram of a high-safety low-voltage switch complete equipment of the invention;
FIG. 2 is a front view of a high safety low voltage switchgear of the present invention;
FIG. 3 is a cross-sectional view taken along the line A-A in FIG. 2;
FIG. 4 is an enlarged view of area A of FIG. 3;
fig. 5 is an enlarged view of the region B in fig. 3.
In the drawings, the components represented by the respective reference numerals are listed below:
1-cabinet body, 101-support leg, 102-control cavity, 103-heat dissipation cavity, 104-ventilation cavity, 105-heat dissipation hole, 2-protective cover, 201-air suction opening, 3-cabinet door, 301-pressure gauge, 302-loudspeaker, 303-pressure sensor, 4-air blower, 5-clapboard, 501-first through hole, 6-movable plug, 7-first spring, 8-first stop, 9-cylinder body, 901-upper cylinder, 902-lower cylinder, 903-second through hole, 10-air inlet pipe, 11-activated carbon layer, 12-one-way valve, 13-air blowing pipe, 14-thick rod, 15-thin rod, 16-second spring, 17-second stop, 18-fixing plate and 19-piston.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper," "middle," "outer," "inner," "around," and the positional relationships are used merely for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-5, the invention relates to a high-safety low-voltage switch complete equipment, which comprises a cabinet body 1, a cabinet door 3 and a plurality of support legs 101, wherein the cabinet door 3 is connected with the cabinet body 1 through a hinge, the support legs 101 are fixedly connected with the bottom surface of the cabinet body 1, a control cavity 102, a heat dissipation cavity 103 and a ventilation cavity 104 are arranged inside the cabinet body 1, a partition plate 5 is arranged between the control cavity 102 and the heat dissipation cavity 103, a first through hole 501 is formed in the partition plate 5, the ventilation cavity 104 is positioned at the lower sides of the control cavity 102 and the heat dissipation cavity 103, the ventilation cavity 104 is also provided with a plurality of heat dissipation holes 105, the heat dissipation cavity 103 is communicated with the ventilation cavity 104, a bottom plate is arranged between the ventilation cavity 104 and the control cavity 102, the upper surface of the cabinet body 1 is also fixedly connected with a protective cover 2, an air blower 4 is arranged inside the protective cover 2, and a pipeline of the air blower 4 is communicated with the heat dissipation cavity 103; in the structure, when the air blower 4 works, wind power passes through the heat dissipation cavity 103 and the ventilation cavity 104, and is discharged through the heat dissipation hole 105 at last, in the process, the air in the control cavity 102 is static, and the air pressure is higher than the heat dissipation cavity 103, so the air in the control cavity 102 moves toward the heat dissipation cavity 103 under the action of pressure, if the low-voltage switch assembly in the control cavity 102 generates heat, the air pressure difference is larger, high-temperature air can enter the heat dissipation cavity 103 more quickly, the heat dissipation effect is achieved, the structure enables the control cavity 102 not to be directly contacted with the outside, dust outside dust can enter the control cavity 102 when being cooled again, and the protection of the low-voltage switch is facilitated.
A cylinder body 9 is installed in the ventilation cavity 104, the cylinder body 9 comprises an upper cylinder 901 and a lower cylinder 902, a fixing plate 18 is arranged between the upper cylinder 901 and the lower cylinder 902, the upper cylinder 901 is connected with a thick rod 14 in a sliding manner, the thick rod 14 is connected with a bottom plate of the cabinet body 1 in a sliding manner, a second stop block 17 is fixedly connected with the upper end surface of the thick rod 14, a second spring 16 is arranged on the peripheral side surface of the thick rod 14, the second spring 16 is positioned between the second stop block 17 and the bottom plate, a thin rod 15 is fixedly connected with the lower end surface of the thick rod 14, the thin rod 15 is connected with the fixing plate 18 in a sliding manner, pistons 19 are respectively connected with the thick rod 14 and the thin rod 15 in a sliding manner, the upper cylinder 901 is communicated with an air inlet pipe 10 and an air blowing pipe 13, the air inlet pipe 10 is communicated with the outside, the air blowing pipe 13 is communicated with the control cavity 102, and second through holes 903 are formed in the surfaces of the two sides of the lower cylinder 902; in the structure, when high-speed air flow passes through the lower cylinder 902, the air pressure in the lower cylinder 902 is reduced, the thick rod 14 and the thin rod 15 push the piston 19 to press downwards, air in the upper cylinder 901 enters the control cavity 102 through the air blowing pipe 13 in the process, when the air flow passing through the lower cylinder 902 is gradually reduced, the rebound of the second spring 16 drives the thick rod 14 and the thin rod 15 to ascend, the piston 19 ascends simultaneously, the upper cylinder 901 can suck air from the outside through the air inlet pipe 10, and the device can effectively replace the air in the control cavity 102, so that the outside air can enter the control cavity 102 and simultaneously prevent dust from entering.
Furthermore, the upper surface of the protective cover 2 is provided with an air suction opening 201, and the air suction opening 201 is connected with a pipeline of the air blower 4, so that the air blower 4 can work conveniently.
Further, a pressure sensor 303 is installed on the inner side of the cabinet door 3, a pressure gauge 301 and a loudspeaker 302 are installed on the outer side of the cabinet door 3, and the pressure gauge 301 is electrically connected with the loudspeaker 302 and the pressure sensor 303 respectively; in the structure, the pressure sensor 303 can monitor the air pressure change in the control cavity 102, the pressure gauge 301 can display a real-time numerical value, and when the pressure value is abnormal due to overhigh temperature, the loudspeaker 302 can give an alarm by voice.
Furthermore, the partition plate 5 is slidably connected with a movable plug 6, the lower end of the movable plug 6 is hemispherical, the lower end of the movable plug 6 is positioned in the first through hole 501, and the upper end of the movable plug 6 is fixedly connected with a first stop block 8; in the above structure, when the temperature in the control chamber 102 is too high, the pressure will increase, the pressure will push the movable plug 6 to contract, and then the high temperature air will enter the heat dissipation chamber 103.
Furthermore, the side surface of the periphery of the movable plug 6 is also provided with a first spring 7, two ends of the first spring 7 are respectively fixedly connected with the first stop block 8 and the partition plate 5, the first spring 7 has a rebound effect, after the temperature of the control cavity 102 is reduced, the air pressure difference between the control cavity 102 and the heat dissipation cavity 103 is reduced, and the first spring 7 can drive the movable plug 6 to rebound.
Furthermore, check valves 12 are installed in the air inlet pipe 10 and the air blowing pipe 13, an activated carbon layer 11 is installed in the air inlet pipe 10 to prevent control backflow, and in addition, the activated carbon layer 11 can adsorb moisture in the outside air to prevent moist air from entering the control cavity 102.
Referring to fig. 1 to 5, the low-voltage switchgear of the present invention with high safety is a low-voltage switchgear assembly, wherein the output power of the blower 4 is 300W-2000W, the operating voltage of the pressure sensor 303 is 1.5V, and the operating principle is as follows:
in the working process, the pressure sensor 303 monitors the pressure value in the control cavity 102 in real time, when a low-voltage switch in the control cavity 102 heats violently, the temperature of the control cavity 102 rises, the air pressure increases, after reaching a certain threshold value, the loudspeaker 302 gives a voice alarm, meanwhile, the blower 4 starts to work, wind power passes through the heat dissipation cavity 103 and the ventilation cavity 104 and is exhausted through the heat dissipation hole 105, in the process, air in the control cavity 102 is still and higher than the heat dissipation cavity 103, therefore, the air in the control cavity 102 moves towards the heat dissipation cavity 103 under the action of the pressure to achieve the heat dissipation effect, when high-speed air flow passes through the lower cylinder 902, the air pressure in the lower cylinder 902 is reduced, at the moment, the thick rod 14 and the thin rod 15 push the piston 19 to press downwards, in the process, the air in the upper cylinder 901 enters the control cavity 102 through the air blowing pipe 13, when the air flow passing through the lower cylinder 902 is gradually reduced, the rebound of the second spring 16 drives the thick rod 14 and the thin rod 15 to ascend, the piston 19 ascends simultaneously, the upper cylinder 901 can suck air from the outside through the air inlet pipe 10, and the device can effectively replace air in the control cavity 102, so that the outside air can enter the control cavity 102 and dust can be prevented from entering the control cavity.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a high low voltage switch complete sets of security, includes the cabinet body (1), cabinet door (3) and a plurality of stabilizer blade (101), hinged joint is passed through with the cabinet body (1) in cabinet door (3), stabilizer blade (101) and the cabinet body (1) bottom surface fixed connection, its characterized in that:
a control cavity (102), a heat dissipation cavity (103) and a ventilation cavity (104) are arranged inside the cabinet body (1), a partition plate (5) is arranged between the control cavity (102) and the heat dissipation cavity (103), a first through hole (501) is formed in the partition plate (5), the ventilation cavity (104) is located on the lower side of the control cavity (102) and the heat dissipation cavity (103), a plurality of heat dissipation holes (105) are further formed in the ventilation cavity (104), the heat dissipation cavity (103) is communicated with the ventilation cavity (104), a bottom plate is arranged between the ventilation cavity (104) and the control cavity (102), a protective cover (2) is further fixedly connected to the upper surface of the cabinet body (1), an air blower (4) is installed inside the protective cover (2), and a pipeline of the air blower (4) is communicated with the heat dissipation cavity (103);
a cylinder body (9) is installed in the ventilation cavity (104), the cylinder body (9) comprises an upper cylinder (901) and a lower cylinder (902), a fixing plate (18) is arranged between the upper cylinder (901) and the lower cylinder (902), the upper cylinder (901) is connected with a thick rod (14) in a sliding manner, the thick rod (14) is connected with a bottom plate of the cabinet body (1) in a sliding manner, a second stop block (17) is fixedly connected to the upper end face of the thick rod (14), a second spring (16) is arranged on the peripheral side face of the thick rod (14), the second spring (16) is positioned between the second stop block (17) and the bottom plate, a thin rod (15) is fixedly connected to the lower end face of the thick rod (14), the thin rod (15) is connected with the fixing plate (18) in a sliding manner, pistons (19) are both connected to the upper cylinder (901) and the lower cylinder (902) in a sliding manner, and the pistons (19) are respectively fixedly connected with the thick rod (14) and the thin rod (15), the upper cylinder (901) is communicated with an air inlet pipe (10) and an air blowing pipe (13), the air inlet pipe (10) is communicated with the outside, the air blowing pipe (13) is communicated with the control cavity (102), and second through holes (903) are formed in the surfaces of the two sides of the lower cylinder (902).
2. The low-voltage switch complete equipment with high safety as claimed in claim 1, wherein an air suction opening (201) is formed in the upper surface of the protective cover (2), and the air suction opening (201) is connected with a pipeline of the blower (4).
3. The high-voltage switch complete equipment as claimed in claim 1, wherein a pressure sensor (303) is installed on the inner side of the cabinet door (3), a pressure gauge (301) and a loudspeaker (302) are installed on the outer side of the cabinet door (3), and the pressure gauge (301) is electrically connected with the loudspeaker (302) and the pressure sensor (303) respectively.
4. The low-voltage switch complete equipment with high safety according to claim 1, wherein a movable plug (6) is slidably connected to the partition plate (5), the lower end of the movable plug (6) is hemispherical, the lower end of the movable plug (6) is located in the first through hole (501), and a first stop block (8) is fixedly connected to the upper end of the movable plug (6).
5. The low-voltage switch complete equipment with high safety as claimed in claim 5, wherein a first spring (7) is further arranged on the peripheral side surface of the movable plug (6), and two ends of the first spring (7) are respectively fixedly connected with the first stop block (8) and the partition plate (5).
6. The low-voltage switch complete equipment with high safety according to claim 1, wherein the air inlet pipe (10) and the air blowing pipe (13) are both provided with a one-way valve (12), and an activated carbon layer (11) is further arranged in the air inlet pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011355808.3A CN114566895A (en) | 2020-11-27 | 2020-11-27 | High-safety low-voltage switch complete equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011355808.3A CN114566895A (en) | 2020-11-27 | 2020-11-27 | High-safety low-voltage switch complete equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114566895A true CN114566895A (en) | 2022-05-31 |
Family
ID=81711671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011355808.3A Pending CN114566895A (en) | 2020-11-27 | 2020-11-27 | High-safety low-voltage switch complete equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114566895A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115124001A (en) * | 2022-06-28 | 2022-09-30 | 山东航和医疗设备有限公司 | Molecular sieve oxygen generator and use method thereof |
| CN115441313A (en) * | 2022-11-08 | 2022-12-06 | 江苏鑫盛电气有限公司 | Electrical equipment box |
-
2020
- 2020-11-27 CN CN202011355808.3A patent/CN114566895A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115124001A (en) * | 2022-06-28 | 2022-09-30 | 山东航和医疗设备有限公司 | Molecular sieve oxygen generator and use method thereof |
| CN115441313A (en) * | 2022-11-08 | 2022-12-06 | 江苏鑫盛电气有限公司 | Electrical equipment box |
| CN115441313B (en) * | 2022-11-08 | 2023-01-31 | 江苏鑫盛电气有限公司 | Electrical equipment box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114566895A (en) | High-safety low-voltage switch complete equipment | |
| CN105186321A (en) | Box-type transformer substation | |
| CN211046033U (en) | Green building electric energy electrical system | |
| CN111884103A (en) | Electrical engineering is with multi-functional heat dissipation electrical equipment cabinet | |
| CN208111367U (en) | A kind of intelligent breaker | |
| CN209402022U (en) | A kind of high-tension switch cabinet of high security | |
| CN113068360B (en) | Protective device for electrical control cabinet | |
| CN213151444U (en) | High cubical switchboard of security | |
| CN206274580U (en) | A kind of circuit breaker switch cabinet cabinet | |
| CN206211349U (en) | Fixed high-voltage switch cubicle | |
| CN209183985U (en) | A kind of architectural electricity cabinet convenient to overhaul | |
| CN211352675U (en) | Electrical control cabinet with dehumidification function | |
| CN211046157U (en) | Constant temperature low-voltage control cabinet | |
| CN208608554U (en) | A kind of safety guard of intermediate frequency power cabinet | |
| CN210957297U (en) | Outdoor high voltage distribution cabinet that dust removal effect is good | |
| CN109103796A (en) | A kind of strongly heat-dissipated high-tension switch cabinet | |
| CN213460588U (en) | Safety electric shock prevention power distribution control device | |
| CN217444902U (en) | Electric brake with safety protection structure for power plant | |
| CN215114933U (en) | Switch cabinet monitoring device | |
| CN215639567U (en) | Gas sensor module intelligence ventilation switch based on SMT workshop air pollution control | |
| CN219304303U (en) | Low-voltage dynamic filtering compensation device | |
| CN205489084U (en) | Novel put cabinet in dustproof heat dissipation | |
| CN213546949U (en) | Totally enclosed low-voltage switchgear | |
| CN220692643U (en) | Medium-voltage electric control cabinet | |
| CN219086788U (en) | Overvoltage protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication |