CN219498568U - Switch cabinet induced air type dehumidification device - Google Patents
Switch cabinet induced air type dehumidification device Download PDFInfo
- Publication number
- CN219498568U CN219498568U CN202222296324.7U CN202222296324U CN219498568U CN 219498568 U CN219498568 U CN 219498568U CN 202222296324 U CN202222296324 U CN 202222296324U CN 219498568 U CN219498568 U CN 219498568U
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- Prior art keywords
- air
- switch cabinet
- control valve
- air supply
- induced
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 35
- 238000010992 reflux Methods 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims description 16
- 239000000428 dust Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 11
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001939 inductive effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Drying Of Gases (AREA)
Abstract
The utility model discloses a switch cabinet induced air type dehumidification device, which aims to solve the problems that the existing switch cabinet is internally provided with a dehumidification device, the maintenance is needed to be matched with power failure, the power consumption is inconvenient for users, the existing used dehumidification device is large in energy consumption and inconvenient to maintain, and the dehumidification effect is limited, and the switch cabinet induced air type dehumidification device comprises a switch cabinet and a protection shell fixed on the outer wall of the switch cabinet, wherein an air inlet hole and an air outlet hole are respectively formed in the protection shell, and an air compressor, an air supply pipe, an air supply control valve, an air dryer, an air exhaust pipeline, an air exhaust control valve, a drainage fan, a return pipe, a return control valve and a control unit are arranged in the protection shell; the air supply control valve, the air exhaust control valve and the reflux control valve are in signal connection with the control unit so as to switch the external circulation induced air dehumidification mode or the internal circulation induced air dehumidification mode under the control of the control unit. The utility model is especially suitable for dehumidifying the switch cabinet with low energy consumption and high effect, and has higher social use value and application prospect.
Description
Technical Field
The utility model relates to the technical field of power transmission, distribution and control, in particular to an induced air type dehumidifying device of a switch cabinet.
Background
After the switch cabinet works for a long time, the condition of overlarge humidity can occur in the cabinet, and the humidity in the switch cabinet has an important influence on the electrical safety in the switch cabinet and the service life of the cable terminal. It is therefore necessary to reasonably control the humidity within the switchgear.
The existing switch cabinet is internally provided with a dehumidifying device, the maintenance is carried out by the cooperation of power failure, a plurality of inconveniences are brought to the power consumption of a user, and the dehumidifying device used at present mainly comprises two kinds of components: one is an induced air heating type dehumidifier, and the other is a freezing type dehumidifier, which can reduce the moisture content of air in a cabinet, but has a plurality of problems, and most prominently has the disadvantages of large energy consumption, inconvenient maintenance and limited dehumidification effect. Therefore, we propose a switch cabinet induced air type dehumidification device.
Disclosure of Invention
The present utility model aims to solve or at least alleviate the problems of the prior art.
The utility model provides a switch cabinet induced air type dehumidification device which comprises a switch cabinet and a protective shell fixed on the outer wall of the switch cabinet, wherein an air inlet and an air outlet are respectively formed in the protective shell;
the air dryer comprises an air inlet, an air supply pipe, a return pipe, an air exhaust pipeline, a switch cabinet inner cavity, an air supply pipe, an exhaust pipeline, a switch cabinet inner cavity, an exhaust hole and an air outlet, wherein the air inlet of the air compressor is communicated with the air inlet, the air outlet of the air dryer is communicated with the switch cabinet inner cavity, the air supply pipe and the return pipe are both arranged on the air inlet of the air dryer, the other end of the air supply pipe is communicated with the air outlet of the air compressor, the other end of the return pipe is communicated with the exhaust pipeline, the input end of the exhaust pipeline is communicated with the switch cabinet inner cavity, and the output end of the exhaust pipeline is communicated with the exhaust hole;
the air supply control valve, the air exhaust control valve and the reflux control valve are in signal connection with the control unit so as to switch the external circulation induced air dehumidification mode or the internal circulation induced air dehumidification mode under the control of the control unit.
Optionally, the switch cabinet is built-in with the temperature and humidity sensor that is used for detecting switch cabinet inner chamber humiture, and temperature and humidity sensor and control unit signal connection.
Optionally, the output end of the air dryer extends to the lower part of the inner cavity of the switch cabinet and is communicated with an air supply unit for supplying air and discharging moisture from bottom to top, the air supply unit comprises an induced air conveying pipe communicated with the output end of the air dryer, the other end of the induced air conveying pipe extends to the lower part of the inner cavity of the switch cabinet and is communicated with an air supply box, and a plurality of air supply fans for supplying air and discharging moisture from bottom to top are embedded on the top wall of the air supply box.
Optionally, a metal protection net is horizontally fixed at the upper position of the inner cavity of the switch cabinet, which corresponds to the air feeding box.
Optionally, a dust filtering net for filtering and dedusting the introduced air is installed on the air inlet hole, and an exhaust grid for preventing dust from directly entering is installed on the exhaust hole.
Optionally, the side walls of the protective shell corresponding to the positions of the air inlet and the air outlet are provided with rain-shielding eaves.
Optionally, the protection casing is built-in with the door shape frame, and air compressor machine and air dryer set up respectively in door shape frame both sides.
The utility model has the following advantages:
1. according to the utility model, the dehumidifying device is arranged outside the switch cabinet, when the dehumidifying device fails, power-off maintenance is not needed, daily maintenance is convenient and fast, a plurality of inconveniences are not brought to a user due to power failure maintenance, an external circulation induced air dehumidifying mode or an internal circulation induced air dehumidifying mode can be automatically switched, the energy consumption can be effectively reduced by switching the double modes, the air supply and dehumidifying directions from bottom to top are matched, the internal humidity of the switch cabinet is further reduced, and the safe and continuous operation of electric power elements in the switch cabinet is ensured.
2. In the utility model, when the temperature in the switch cabinet exceeds the preset threshold value of the temperature and humidity sensor, the switch cabinet can also enter an external circulation induced air dehumidification mode, and external air is introduced to cool and dissipate heat of power elements in the switch cabinet.
Drawings
The above features, technical features, advantages and implementation modes of the induced air type dehumidifying device for switch cabinets will be further described below in a clear and understandable manner by referring to the accompanying drawings.
FIG. 1 is a schematic view of the appearance structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the protective housing according to the present utility model;
FIG. 3 is a front elevational view in cross-section of the present utility model;
FIG. 4 is a cross-sectional view of the induced draft dehumidification mechanism of the present utility model;
FIG. 5 is an enlarged schematic view of the structure A of FIG. 3 according to the present utility model.
In the figure: the air conditioner comprises a switch cabinet 10, a protective shell 20, a rain-shielding eave 201, a door-shaped frame 204, an air compressor 30, an air supply pipe 40, an air supply control valve 401, an air dryer 50, an exhaust pipeline 60, an exhaust control valve 601, a drainage fan 602, a return pipe 70, a return control valve 701, an air supply unit 80, an induced air conveying pipe 801, an air supply box 802, an air supply fan 803 and a metal protective net 90.
Detailed Description
The utility model is further illustrated by the following examples in connection with figures 1-5:
example 1
The utility model provides a cubical switchboard induced air type dehydrating unit, includes cubical switchboard 10 and is fixed in the protective housing 20 on the cubical switchboard 10 outer wall, and the cubical switchboard 10 embeds has the temperature and humidity sensor that is used for detecting the inner chamber humiture of cubical switchboard 10, and temperature and humidity sensor and control unit signal connection, air inlet port and exhaust hole have been seted up respectively on the protective housing 20, install the dust filter net 202 that is used for filtering the incoming air dust removal on the inlet port, and install the exhaust grid 203 that is used for avoiding dust direct entry on the exhaust hole, it can be understood that exhaust grid 203 inclines downward towards one side of external air to avoid dust direct entry, in this embodiment, all install the eaves 201 that keep off rain on the lateral wall of protective housing 20 corresponding inlet port and exhaust hole position, avoid the rain and snow entering of bad weather;
in this embodiment, referring to fig. 4-5, the protective housing 20 is internally provided with an air compressor 30, an air supply pipe 40, an air supply control valve 401 installed on the air supply pipe 40, an air dryer 50, an air exhaust pipeline 60, an air exhaust control valve 601 installed on the air exhaust pipeline 60, a drainage fan 602 built in the input end of the air exhaust pipeline 60, a return pipe 70, a return control valve 701 installed on the return pipe 70, and a control unit, wherein the control unit can be a PLC controller, the model is selected as siemens S7-300, the air dryer 50 is a small-sized van-type dryer, and liquid water condensed by dehumidification of the dryer can be directly discharged to the outside of the switch cabinet 10;
wherein, the air-inducing end of the air compressor 30 is communicated with the air inlet, the air-out end of the air dryer 50 is communicated with the inner cavity of the switch cabinet 10, the air supply pipe 40 and the return pipe 70 are both arranged on the air-in end of the air dryer 50, the other end of the air supply pipe 40 is communicated with the air-out end of the air compressor 30, the other end of the return pipe 70 is communicated with the exhaust pipeline 60, the input end of the exhaust pipeline 60 is communicated with the inner cavity of the switch cabinet 10, and the output end is communicated with the exhaust hole;
the air supply control valve 401, the air exhaust control valve 601 and the reflux control valve 701 are all in signal connection with the control unit so as to switch the external circulation induced air dehumidification mode or the internal circulation induced air dehumidification mode under the control of the control unit;
in this embodiment, as shown in fig. 3, the output end of the air dryer 50 extends to the lower portion of the inner cavity of the switch cabinet 10 and is communicated with an air supply unit 80 for supplying air and discharging moisture from bottom to top, the air supply unit 80 includes an air-inducing conveying pipe 801 communicated with the output end of the air dryer 50, the other end of the air-inducing conveying pipe 801 extends to the lower portion of the inner cavity of the switch cabinet 10 and is connected with an air supply box 802 in a penetrating manner, and a plurality of air supply fans 803 for supplying air and discharging moisture from bottom to top are embedded on the top wall of the air supply box 802;
it is understood that the air compressor 30, the air dryer 50, the drainage fan 602 and the air supply fan 803 are all in signal connection with the control unit; the air supply control valve 401, the air exhaust control valve 601 and the reflux control valve 701 are all electromagnetic valves, the electromagnetic valves are industrial equipment controlled by electromagnetic waves, are automatic basic elements for controlling fluid, belong to actuators, are not limited to hydraulic and pneumatic, can be matched with different circuits to realize expected control, and can ensure the control precision and flexibility.
In this embodiment, when the temperature and humidity sensor senses that the humidity in the switch cabinet 10 exceeds a preset threshold, the control unit starts the air compressor 30, the air dryer 50, the air supply fan 803 and the drainage fan 602, automatically opens the air supply control valve 401 and the air exhaust control valve 601, closes the reflux control valve 701, enters an external circulation induced air dehumidification mode, and continuously discharges the humid air in the switch cabinet 10 in cooperation with the bottom-up air supply and dehumidification direction, and after dehumidification for a period of time, the dehumidification time can be preset according to the timing or according to the humidity reduction value in the cabinet, and is switched into the internal circulation induced air dehumidification mode;
in the internal circulation induced air dehumidification mode, the air compressor 30 is closed, the air supply control valve 401 and the air exhaust control valve 601 are closed, the reflux control valve 701 is opened, the initially dehumidified switch cabinet 10 is subjected to internal circulation dehumidification in a circulating manner, namely, dehumidified air is dehumidified again, the energy consumption is reduced, the humidity in the switch cabinet 10 is further reduced, and the safe and continuous operation of electric power elements in the switch cabinet is ensured;
it can be understood that when the temperature in the switch cabinet 10 exceeds the preset threshold value of the temperature and humidity sensor, the switch cabinet can also enter an external circulation induced air dehumidification mode, and external air is introduced to cool and dissipate heat;
meanwhile, because the dehumidifying device is arranged outside the switch cabinet 10, when the dehumidifying device fails, power-off maintenance is not needed, daily maintenance is convenient, and a plurality of inconveniences are not brought to a user due to power failure maintenance.
In this embodiment, as shown in fig. 2, a metal protection net 90 is horizontally fixed above the air blower 802 in the inner cavity of the switch cabinet 10, so as to avoid the components from falling and damaging the air blower 802 and the air blower 803 during installation or maintenance.
Example 2
The difference between this embodiment and embodiment 1 is that, as shown in fig. 4-5, the protection housing 20 is internally provided with a door-shaped frame 204, and the air compressor 30 and the air dryer 50 are respectively disposed at two sides of the door-shaped frame 204; in this embodiment, two legs of the door-shaped frame 204 penetrate through the top wall of the switch cabinet 10 and are bent and shaped, and the protective housing 20 is connected with the side wall of the door-shaped frame 204 through a plurality of horizontal bolts, so that the fixing of the protective housing 20 and the door-shaped frame 204 and the respective installation of the air compressor 30 and the air dryer 50 are realized, and the maintenance is facilitated and the heat dissipation pressure is reduced.
Other undescribed structures refer to embodiment 1.
Finally, it should be noted that: the above examples are only specific embodiments of the present utility model, and are not intended to limit the scope of the present utility model, but it should be understood by those skilled in the art that the present utility model is not limited thereto, and that the present utility model is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a cubical switchboard induced air dehydrating unit, includes cubical switchboard (10) and is fixed in protective housing (20) on the outer wall of cubical switchboard (10), its characterized in that, air inlet port and exhaust hole have been seted up respectively on protective housing (20), and protective housing (20) embeds has air compressor machine (30), air supply pipe (40), install air supply control valve (401) on air supply pipe (40), air dryer (50), exhaust duct (60), install exhaust control valve (601) on exhaust duct (60), be built-in drainage fan (602) of exhaust duct (60) input, back flow (70), install reflux control valve (701) on back flow (70), and the control unit;
the air dryer comprises an air compressor (30), an air inlet, an air supply pipe (40) and a return pipe (70), wherein the air inlet is communicated with the air inlet, the air outlet of the air dryer (50) is communicated with the inner cavity of the switch cabinet (10), the air supply pipe (40) and the return pipe (70) are both arranged on the air inlet of the air dryer (50), the other end of the air supply pipe (40) is communicated with the air outlet of the air compressor (30), the other end of the return pipe (70) is communicated with an exhaust pipeline (60), the input end of the exhaust pipeline (60) is communicated with the inner cavity of the switch cabinet (10), and the output end of the return pipe is communicated with an exhaust hole;
the air supply control valve (401), the air exhaust control valve (601) and the reflux control valve (701) are all connected with the control unit in a signal mode so as to switch the external circulation induced air dehumidification mode or the internal circulation induced air dehumidification mode under the control of the control unit.
2. The switchgear cabinet induced air type dehumidification device as claimed in claim 1, wherein: the temperature and humidity sensor for detecting the temperature and humidity of the inner cavity of the switch cabinet (10) is arranged in the switch cabinet (10), and the temperature and humidity sensor is in signal connection with the control unit.
3. The switchgear cabinet induced air type dehumidification device as claimed in claim 1, wherein: the output end of the air dryer (50) extends to the lower part of the inner cavity of the switch cabinet (10) and is communicated with an air supply unit (80) for supplying air and discharging moisture from bottom to top, the air supply unit (80) comprises an induced air conveying pipe (801) communicated with the output end of the air dryer (50), the other end of the induced air conveying pipe (801) extends to the lower part of the inner cavity of the switch cabinet (10) and is communicated with an air supply box (802), and a plurality of air supply fans (803) for supplying air and discharging moisture from bottom to top are embedded on the top wall of the air supply box (802).
4. A switchgear cabinet induced draft type dehumidification apparatus as claimed in claim 3, wherein: a metal protection net (90) is horizontally fixed at the upper position of the inner cavity of the switch cabinet (10) corresponding to the air feeding box (802).
5. The switchgear cabinet induced air type dehumidification device as claimed in claim 1, wherein: a dust filtering net (202) for filtering and dedusting the introduced air is arranged on the air inlet hole, and an exhaust grid (203) for preventing dust from directly entering is arranged on the exhaust hole.
6. The cabinet induced draft type dehumidification device of claim 5, wherein: the side walls of the protective shell (20) corresponding to the air inlet and the air outlet are provided with rain-shielding eaves (201).
7. The switchgear cabinet induced air type dehumidification device as claimed in claim 1, wherein: the protection shell (20) is internally provided with a door-shaped frame (204), and the air compressor (30) and the air dryer (50) are respectively arranged at two sides of the door-shaped frame (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222296324.7U CN219498568U (en) | 2022-08-30 | 2022-08-30 | Switch cabinet induced air type dehumidification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222296324.7U CN219498568U (en) | 2022-08-30 | 2022-08-30 | Switch cabinet induced air type dehumidification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219498568U true CN219498568U (en) | 2023-08-08 |
Family
ID=87484506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222296324.7U Active CN219498568U (en) | 2022-08-30 | 2022-08-30 | Switch cabinet induced air type dehumidification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219498568U (en) |
-
2022
- 2022-08-30 CN CN202222296324.7U patent/CN219498568U/en active Active
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