CN216289577U - Low-voltage protection cabinet - Google Patents
Low-voltage protection cabinet Download PDFInfo
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- CN216289577U CN216289577U CN202122978000.7U CN202122978000U CN216289577U CN 216289577 U CN216289577 U CN 216289577U CN 202122978000 U CN202122978000 U CN 202122978000U CN 216289577 U CN216289577 U CN 216289577U
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- air inlet
- cabinet
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- power distribution
- inlet channel
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- 238000004887 air purification Methods 0.000 claims abstract description 13
- 238000005485 electric heating Methods 0.000 claims abstract description 11
- 239000000428 dust Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000008187 granular material Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000009833 condensation Methods 0.000 abstract description 11
- 230000005494 condensation Effects 0.000 abstract description 8
- 238000009423 ventilation Methods 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of power distribution cabinets, and particularly relates to a low-voltage protection cabinet which comprises a power distribution cabinet and a pretreatment cabinet which are sequentially arranged, wherein the power distribution cabinet and the pretreatment cabinet are sequentially communicated through a first air inlet channel and a plurality of second air inlet channels; according to the utility model, the air purification mechanism is additionally arranged at the air inlet end during convection ventilation, so that most impurities and dust are effectively prevented from entering the power distribution cabinet, meanwhile, the air can be intelligently heated according to the temperature of the electric heating pipe regulated by the air humidity in the power distribution cabinet, the dry hot air can prevent the generation of condensation in the power distribution cabinet, and the potential safety hazard in the power distribution cabinet is avoided.
Description
Technical Field
The utility model belongs to the technical field of power distribution cabinets, and particularly relates to a low-voltage protection cabinet.
Background
The existing low-voltage switch cabinet is applied to a power distribution system with 50Hz alternating current and a rated voltage below 400V, and is used for converting, distributing and controlling the electric energy of power, lighting and power generation distribution equipment, wherein the electric energy of a certain circuit of the upper-level power distribution equipment is distributed to a nearby load, and the equipment provides protection, monitoring and control for the load.
Traditional switch board can generate heat in the course of the work inside, will cool down the heat dissipation to its inside usually, season in autumn and winter and because inside and outside difference in temperature is great, or air humidity is great, the inside condensation that can produce of switch board, especially place at outdoor switch board, the switch board of condensation has the risk that causes the short circuit to damage equipment, equipment uses for a long time like this and has the potential safety hazard, current this problem of reply is the convection current air ventilation usually, but do not consider the humidity of outside air in the implementation, and whether a large amount of dust that exists in the air, do not purify the dust removal to the outside air, make implementation effect not obvious, and the dust gets into the switch board and causes the switch board potential safety hazard easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a low-voltage protection cabinet, aiming at solving the problem that potential safety hazards are caused because dust enters a power distribution cabinet in the process of removing condensation of the low-voltage protection cabinet in the prior art.
The utility model realizes the purpose through the following technical scheme:
a low-voltage protection cabinet comprises a power distribution cabinet and a pretreatment cabinet which are sequentially arranged, wherein the power distribution cabinet and the pretreatment cabinet are sequentially communicated through a first air inlet channel and a plurality of second air inlet channels;
air purification mechanism includes fan, intake pipe, drying chamber, the clean room that communicates in proper order with the intake pipe, the intake pipe with the air intercommunication in the preliminary treatment cabinet outside, be provided with round activated carbon coating in the clean room, the vertical direction of clean room intermediate position can be dismantled and be provided with the filter screen, and the filter screen is used for filtering large granule dust in the air.
As a further optimized scheme of the utility model, two second air inlet channels are arranged, and the first air inlet channel and the two second air inlet channels form a Y-shaped air inlet channel.
As a further optimization scheme of the utility model, an electric heating pipe is transversely arranged in the first air inlet channel and used for heating air.
As a further optimized scheme of the utility model, the self-adaptive sealing mechanism comprises a fixing frame, a shaft rod, a first connecting rod, a second connecting rod and a spring, wherein the shaft rod is rotatably arranged on the fixing frame between the inner walls of the front end and the rear end of the pretreatment cabinet, a shaft sleeve is sleeved on the shaft rod, the first connecting rod and the second connecting rod are fixedly arranged on the shaft sleeve, the spring is vertically arranged in the pretreatment cabinet, the upper end of the spring is fixedly connected with the end part of the second connecting rod, a sealing plug is arranged on the lower end face of the first connection, and an air inlet of the second air inlet channel is arranged in an arc shape to be matched with the swing opening and closing of the sealing plug.
As a further optimized scheme of the utility model, the exhaust fans are symmetrically arranged on the inner side wall of the power distribution cabinet through the outer side wall mounting frame of the pretreatment cabinet.
As a further optimization scheme of the utility model, a humidity sensor is arranged at the top of the inner wall of the power distribution cabinet, a controller is arranged at the top of the pretreatment cabinet, a signal output end of the humidity sensor is connected with a signal input end of the controller, and a signal output end of the controller is connected with input ends of the fan and the electric heating tube.
The utility model has the beneficial effects that:
1) according to the utility model, the air purification mechanism is additionally arranged at the air inlet end during convection ventilation, so that most impurities and dust are effectively prevented from entering the power distribution cabinet, meanwhile, the air can be intelligently heated according to the temperature of the electric heating tube regulated by the air humidity in the power distribution cabinet, and the dry hot air can prevent the generation of condensation in the power distribution cabinet and avoid potential safety hazards in the power distribution cabinet;
2) according to the utility model, the self-adaptive sealing mechanism is arranged in the second air inlet channel, the dried and purified hot air is pressurized for a certain time, when the air pressure reaches a threshold value initially set by a worker, the self-adaptive sealing mechanism is opened, the convection speed is increased, after dehumidification is completed, the second connecting rod moves downwards under the reset action of the spring, and meanwhile, the sealing plug is restored to the original position to form sealing on the second air inlet channel, so that the dustproof effect on the interior of the power distribution cabinet is achieved;
3) the utility model has simple structure, high stability, reasonable design and convenient realization.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the air purification mechanism of the present invention;
fig. 3 is a schematic structural diagram of the adaptive sealing mechanism of the present invention.
In the figure: 1. a power distribution cabinet; 2. a pretreatment cabinet; 3. a mounting frame; 4. an air purification mechanism; 5. a first air intake passage; 6. a second intake passage; 7. a humidity sensor; 8. a self-adaptive sealing mechanism; 9. an electric heating tube; 10. a controller; 11. an exhaust fan; 41. a fan; 42. an air inlet pipe; 43. a drying chamber; 44. a clean room; 45. an activated carbon coating; 46. filtering with a screen; 81. a fixed mount; 82. a shaft lever; 83. a first link; 84. a second link; 85. a spring.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
As shown in fig. 1-3, a low-voltage protection cabinet comprises a power distribution cabinet 1 and a pretreatment cabinet 2 which are sequentially arranged, wherein the power distribution cabinet 1 and the pretreatment cabinet 2 are sequentially communicated through a first air inlet channel 5 and a plurality of second air inlet channels 6, an air purification mechanism 4 is arranged at an air inlet end of the first air inlet channel 5, a self-adaptive sealing mechanism 8 is arranged at a communication position of the first air inlet channel 5 and the second air inlet channels 6, and the self-adaptive sealing mechanism 8 is automatically opened and closed according to the air inlet pressure of the second air inlet channels 6.
Because the distribution system of low-voltage distribution cabinet can generate heat in the course of the work, in carrying out the convection current ventilation heat dissipation in-process, a large amount of dusts in the air can enter into switch board 1, this application is equipped with air purification mechanism 4 through the inlet end at first inlet channel 5, dry, filter the air, prevent that the condensation from appearing in switch board 1 in the air that outside humidity is high on the one hand, on the other hand can prevent effectively that the dust from getting into to cause switch board 1 to produce the potential safety hazard.
In addition, a self-adaptive sealing mechanism 8 is arranged at the communication position of the second air inlet channel 6, the accumulated amount of air in the first air inlet channel 5 is increased, meanwhile, the time for processing the pumped air in the air purification mechanism 4 is increased, and when the air pressure reaches a threshold value set by a worker, the self-adaptive sealing mechanism 8 is opened to carry out convection ventilation on the power distribution cabinet 1.
Specifically, two second intake passages 6 are provided, and the first intake passage 5 and the two second intake passages 6 constitute a Y-shaped intake passage.
Specifically, an electric heating tube 9 is transversely arranged in the first air inlet channel 5, and the electric heating tube 9 is used for heating air.
It should be noted that, when the anti-condensation work of the power distribution cabinet 1 needs to be performed, the electric heating tube 9 can be opened, the sucked air enters the second air inlet channel 6 through the air purification mechanism 4, the purified and pressurized air is heated by the electric heating tube 9 and then blows out hot air which is blown out from the Y-shaped air inlet channel, and the heating anti-condensation work of the power distribution cabinet 1 can be performed.
Specifically, self-adaptation sealing mechanism 8 includes mount 81, axostylus axostyle 82, first connecting rod 83, second connecting rod 84, spring 85, axostylus axostyle 82 is rotatable to be set up on mount 81 between the inner wall of preliminary treatment cabinet 2 front and back end, the cover is equipped with the axle sleeve on the axostylus axostyle 82, first connecting rod 83 and second connecting rod 84 are fixed to be located on the axle sleeve, spring 85 is located perpendicularly in preliminary treatment cabinet 2, the upper end of spring 85 and the tip fixed connection of second connecting rod 84, the lower terminal surface of first connection 83 is equipped with the sealing plug, and the air inlet of second inlet channel 6 opens and shuts for the swing of arc setting with the adaptation sealing plug.
Through setting up two second inlet channel 6, and the inlet end of every second inlet channel 6 all is equipped with self-adaptation sealing mechanism 8, and the staff can set up two springs 85's coefficient of stiffness different as required, can be according to the difference of the interior convection current amount of wind needs of switch board 1 in different seasons like this, and the inlet end of self-adaptation intelligent regulation second inlet channel 6, the heat dissipation ventilation in the switch board 1 of being convenient for like this and remove the condensation more.
Specifically, the lateral wall mounting bracket 3 of preliminary treatment cabinet 2, the inside wall symmetry of switch board 1 are equipped with exhaust fan 11.
Specifically, the top of switch board 1 inner wall is equipped with humidity transducer 7, and humidity transducer 7's model is DHT11, and the top of preliminary treatment cabinet 2 is equipped with controller 10, and the controller 10 model is STM32F103RBT6, and humidity transducer 7's signal output part is connected with controller 10's signal input part, and controller 10's signal output part is connected with fan 41, the input of electrothermal tube 9.
When the humidity sensor 7 detects that the air humidity inside the power distribution cabinet 1 reaches the pre-warning value of condensation generation, the controller 10 controls the fan 41 to be started, the fan 41 sucks air from the outside through the air inlet pipe 42, the air passes through the drying chamber 43 for drying, passes through the purifying chamber 44 for adsorption and filtration, then passes through the first air inlet channel 5, the air is pressurized for a certain time, when the air pressure reaches the preset threshold value of a worker, the first connecting rod 83 drives the sealing plug to rotate downwards and simultaneously drives the shaft rod 82 to rotate, the second connecting rod 84 also rotates, the spring 85 stretches at the moment, the self-adaptive sealing mechanism 8 is opened, dry hot air is blown into the power distribution cabinet 1 through the second air inlet channel 6, the exhaust fan 11 exhausts air outwards at the moment, the convection speed is increased, after dehumidification is completed, the fan 41 stops operating, the second connecting rod 84 moves downwards under the resetting action of the spring 85, meanwhile, the sealing plug is restored to the original position to form sealing of the second air inlet channel 6, and further the dustproof effect is achieved on the inner portion of the power distribution cabinet 1, and the whole process of the whole power distribution cabinet anti-condensation and dustproof work is achieved.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (6)
1. The utility model provides a low-voltage protection cabinet, includes switch board (1), preliminary treatment cabinet (2) that set gradually, its characterized in that: the power distribution cabinet (1) is communicated with the pretreatment cabinet (2) through a first air inlet channel (5) and a plurality of second air inlet channels (6) in sequence, an air purification mechanism (4) is arranged at the air inlet end of the first air inlet channel (5), a self-adaptive sealing mechanism (8) is arranged at the communication position of the first air inlet channel (5) and the second air inlet channels (6), and the self-adaptive sealing mechanism (8) is automatically opened and closed according to the air inlet pressure of the second air inlet channels (6);
air purification mechanism (4) include fan (41), intake pipe (42), drying chamber (43), clean room (44) that communicate in proper order with intake pipe (42), intake pipe (42) with the air intercommunication in preliminary treatment cabinet (2) outside, be provided with round activated carbon coating (45) in clean room (44), clean room (44) intermediate position vertical direction can be dismantled and be provided with filter screen (46), and filter screen (46) are used for filtering the large granule dust in the air.
2. The low-voltage protection cabinet according to claim 1, wherein: the number of the second air inlet channels (6) is two, and the first air inlet channel (5) and the two second air inlet channels (6) form a Y-shaped air inlet channel.
3. The low-voltage protection cabinet according to claim 1, wherein: an electric heating pipe (9) is transversely arranged in the first air inlet channel (5), and the electric heating pipe (9) is used for heating air.
4. The low-voltage protection cabinet according to claim 1, wherein: the self-adaptive sealing mechanism (8) comprises a fixing frame (81), a shaft rod (82), a first connecting rod (83), a second connecting rod (84) and a spring (85), wherein the shaft rod (82) is rotatably arranged on the fixing frame (81) between the inner walls of the front end and the rear end of the pretreatment cabinet (2), a shaft sleeve is sleeved on the shaft rod (82), the first connecting rod (83) and the second connecting rod (84) are fixedly arranged on the shaft sleeve, the spring (85) is vertically arranged in the pretreatment cabinet (2), the upper end of the spring (85) is fixedly connected with the end part of the second connecting rod (84), a sealing plug is arranged on the lower end face of the first connecting rod (83), and an air inlet of the second air inlet channel (6) is arranged in an arc shape to be matched with the sealing plug to swing to open and close.
5. The low-voltage protection cabinet according to claim 1, wherein: the outer wall mounting frame (3) of the pretreatment cabinet (2), the inner wall of the power distribution cabinet (1) is symmetrically provided with an exhaust fan (11).
6. The low-voltage protection cabinet according to claim 2, wherein: the top of switch board (1) inner wall is equipped with humidity transducer (7), the top of preliminary treatment cabinet (2) is equipped with controller (10), the signal output part of humidity transducer (7) is connected with the signal input part of controller (10), and the signal output part of controller (10) is connected with the input of fan (41), electrothermal tube (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122978000.7U CN216289577U (en) | 2021-11-26 | 2021-11-26 | Low-voltage protection cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122978000.7U CN216289577U (en) | 2021-11-26 | 2021-11-26 | Low-voltage protection cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216289577U true CN216289577U (en) | 2022-04-12 |
Family
ID=81040288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122978000.7U Active CN216289577U (en) | 2021-11-26 | 2021-11-26 | Low-voltage protection cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216289577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112909792A (en) * | 2021-01-25 | 2021-06-04 | 中科瑞能电气股份有限公司 | Environment-friendly high-pressure intelligent ring main unit |
-
2021
- 2021-11-26 CN CN202122978000.7U patent/CN216289577U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112909792A (en) * | 2021-01-25 | 2021-06-04 | 中科瑞能电气股份有限公司 | Environment-friendly high-pressure intelligent ring main unit |
| CN112909792B (en) * | 2021-01-25 | 2023-05-23 | 中科瑞能电气股份有限公司 | Environment-friendly high-pressure intelligent ring main unit |
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