CN208923650U - A kind of outdoor radiating dustproof distribution box - Google Patents
A kind of outdoor radiating dustproof distribution box Download PDFInfo
- Publication number
- CN208923650U CN208923650U CN201821551495.7U CN201821551495U CN208923650U CN 208923650 U CN208923650 U CN 208923650U CN 201821551495 U CN201821551495 U CN 201821551495U CN 208923650 U CN208923650 U CN 208923650U
- Authority
- CN
- China
- Prior art keywords
- plate
- condensation
- chamber
- cabinet
- clean room
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Ventilation (AREA)
Abstract
The utility model discloses a kind of outdoor radiating dustproof distribution boxs, including cabinet, vertical clapboard and diaphragm plate are provided in the cabinet, the cabinet is separated into distribution chamber, clean room and condensation chamber, blast pipe and air-exhausting duct are provided on the cabinet, air intake blower fan is provided in the blast pipe, exhaust fan is provided in the air-exhausting duct, purification ventilation hole is offered on the diaphragm plate, the top of the vertical clapboard is provided with cold wind ventilation hole, scavenging solution is contained in the clean room, the inner end downward bending of the blast pipe extends to scavenging solution liquid level or less；Thermal conductive metal plate is provided on the side wall of the condensation chamber, hollow sandwich is provided between the thermal conductive metal plate and the side wall of the cabinet, it is provided with several semiconductor chilling plates in the hollow sandwich, the technical characteristics such as several metal condensation plates are provided in the condensation chamber.The utility model integrates ventilation and heat, refrigeration, dedusting, reduces spin manifold temperature.
Description
Technical field
The utility model relates to a kind of distribution boxs, are specifically related to a kind of outdoor radiating dustproof distribution box.
Background technique
Distribution box is that switchgear, measuring instrumentss, protection electric appliance and ancillary equipment are concentrated assembling by electrical wiring requirement
In closing or semiclosed metal cabinet, arrangement should meet the requirement of electric system normal operation.It is equipped in distribution box big
The component of amount, the lasting high-speed cruising of component will lead to a large amount of heat of accumulation in distribution box, when distribution box internal temperature
When excessively high, component will be unable to work normally, or even burn component, and therefore, distribution box must be equipped with ventilation device, but tradition
Ventilation device not can avoid dust and enter inside fitting case, the component element long period operation inside distribution box will be covered with ash
Dirt, dusty component are easy to happen short circuit, equipment are caused to be not normally functioning, and therefore, it is necessary to one kind to be able to satisfy ventilation
Cooling requirements, and it is able to satisfy the distribution box of dust-proof requirement.
Utility model content
It, can ventilation and heat, dust-proof the purpose of this utility model is to provide a kind of outdoor radiating dustproof distribution box.
To achieve the above object, technical solution adopted in the utility model are as follows:
A kind of outdoor radiating dustproof distribution box, including cabinet, are provided with vertical clapboard in the cabinet, and the vertical clapboard is by institute
It states cabinet and is separated into the distribution chamber in left side and the dust-proof chamber on right side, be provided with diaphragm plate, the cross in the dirt seal housing room
The dust-proof chamber is separated into the clean room of lower part and the condensation chamber on top by partition, opposite with the clean room on the cabinet
The position answered offers air inlet, and the air inlet is provided with blast pipe, and air intake blower fan is provided in the blast pipe, described
Purification ventilation hole is offered on diaphragm plate, the top of the vertical clapboard is provided with cold wind ventilation hole, matches on the cabinet with described
It is provided with air outlet on the corresponding side wall in electronic box room, air-exhausting duct is provided at the air outlet, is provided in the air-exhausting duct
Exhaust fan；
The blast pipe, clean room, purification ventilation hole, condensation chamber, cold wind ventilation hole, distribution chamber, air-exhausting duct successively connect
It is logical to form ventilation wind path；
Be contained with scavenging solution in the clean room, the inner end downward bending of the blast pipe extend to scavenging solution liquid level with
Under；
Thermal conductive metal plate is provided on the side wall of the condensation chamber, between the thermal conductive metal plate and the side wall of the cabinet
Be provided with hollow sandwich, be provided with several semiconductor chilling plates in the hollow sandwich, the hot end of the semiconductor chilling plate with
The wall box abuts against, and cold end is abutted against with the thermal conductive metal plate, and several metal condensations are provided in the condensation chamber
Plate, the metal condensation plate are fixedly installed on the thermal conductive metal plate.
Further, the promising air intake blower fan, exhaust fan and semiconductor chilling plate are set in the distribution box room
The power supply and power switch of power supply, the power supply, power switch, air intake blower fan, semiconductor chilling plate, exhaust fan are successively electrically connected
It connects.
Further, the metal condensation plate includes the left metal condensation plate and right metal condensation plate being arranged alternately, Zuo Jin
Belong to cold plate to be set on the left side wall of condensation chamber, right metal condensation plate is set on the right side wall of the condensation chamber, thus shape
At winding type wind path.
Further, left metal condensation plate and right metal condensation plate are obliquely installed, left metal condensation plate and right metal
The angle of cold plate and vertical direction is 45 ~ 70 degree.
Further, several left drainage bars and several right drainage bars are additionally provided in the condensation chamber, the metal is cold
Several through-holes are provided on solidifying plate and on diaphragm plate；Corresponding through-hole and right gold in the left metal condensation plate of left drainage bar
The end for belonging to cold plate is fixedly connected；The lower end of the left drainage bar passes through net wind ventilation hole and extends in clean room；The right side
The corresponding through-hole that drainage bar passes through in right metal condensation plate is fixedly connected with the end of left metal condensation plate, the right drainage bar
Lower end pass through the diaphragm plate on corresponding through-hole extend in clean room.
Further, phase is provided with several short drainage strips, the short drainage strip other end on the side wall of the through-hole
It is fixedly connected with corresponding drainage bar.
Further, position corresponding with the clean room is provided with water inlet pipe and water outlet on the side wall of the cabinet
It manages, is provided with valve on the water inlet pipe and the outlet pipe.
Further, water level sensor is provided in the clean room.
Further, the distribution chamber is provided with the door for opening or closing the distribution chamber.
The beneficial effects of the utility model are: the utility model setting clean room and condensation chamber, are arranged in clean room and purify
Several metal condensation plates are arranged in condensation chamber in liquid, be passed through distribution chamber air be first passed through in the purification liquid of clean room into
Row dedusting, then flows to condensation chamber, and under the action of metal condensation plate, the vapor carried when by dedusting is condensed into liquid and returns
The air for falling in clean room, and eliminating vapor enters distribution chamber, not only realizes the ventilation of distribution chamber, but also
After the condensation of the refrigeration of condensation chamber, temperature reduces air, and therefore, the air into distribution chamber is cold air, and heat dissipation effect is more
It is good.The side wall of the utility model cabinet uses thermally conductive metal plate material, and the utility model uses semiconductor chilling plate system
Cold, condensation chamber side wall and metal condensation plate are all made of thermally conductive metal material, so that the side wall and metal of condensation chamber
Cold plate is in ice-cold state, is condensed into liquid convenient for vapor and removes.
The metal condensation plate of the utility model includes the left metal condensation plate and right metal condensation plate being arranged alternately, and Zuo Jin
Belong to cold plate and right metal condensation plate to be obliquely installed, to make left metal condensation plate and right metal condensation plate intersect and non-flat
Row, so that formation is first upward again downwards along metal condensation plate again upwards, then along metal condensation plate during making upward motion of air
Downward winding type wind path not only extends the indoor wind path of condensation, increases air in the residence time of condensation chamber, also increase
Time of contact and the contact area of air and metal condensation plate, further facilitated the Water vapor condensation in air into water droplet and
It removes；The utility model is additionally provided with several left drainage bars and several right drainage bars in condensation chamber, in the metal condensation plate
With several through-holes are provided on diaphragm plate；The left drainage bar passes through corresponding in cold wind ventilation hole and left metal condensation plate
Through-hole is fixedly connected with the end of right metal condensation plate；The right drainage bar passes through opposite on diaphragm plate and right metal condensation plate
Through-hole and the end of left metal condensation plate is answered to be fixedly connected, the lower part of the drainage bar extends in clean room, and drainage bar is set
It sets the liquid for facilitating and condensing in metal condensation plate and flows into clean room.The utility model is provided with level sensor in clean room
Device facilitates detection and purifies indoor SEA LEVEL VARIATION, when water level is lower than specified value, can remind staff that supplement is net in time
Change liquid.
Detailed description of the invention
Fig. 1 is the schematic diagram of the structure of the utility model；
Fig. 2 is cross-sectional view of the Fig. 1 along the direction A-A；
Fig. 3 is the perspective view of the utility model condensation chamber；
Fig. 4 is enlarged drawing at the B of Fig. 3.
In figure, 1, cabinet, 2, vertical clapboard, 3, distribution chamber, 4, diaphragm plate, 5, clean room, 6, condensation chamber, 7, blast pipe,
8, air intake blower fan, 9, purification ventilation hole, 10, cold wind ventilation hole, 11, air-exhausting duct, 12, exhaust fan, 13, scavenging solution, 14, thermally conductive
Metal plate, 15, hollow sandwich, 16, semiconductor chilling plate, 17, left metal condensation plate, 18, right metal condensation plate, 19, Zuo Yinliu
Bar, 20, right drainage bar, 21, through-hole；22, short drainage strip, 23, water inlet pipe, 24, outlet pipe, 25, valve, 26, water level sensor,
27, power supply, 28, power switch.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing, pass through tool
The utility model is further described in body embodiment.
A kind of one embodiment of outdoor radiating dustproof distribution box as shown in attached drawing 1 ~ 4, including cabinet 1, the cabinet 1
It is inside provided with vertical clapboard 2, the cabinet 1 is separated into the distribution chamber 3 in left side and the dust-proof chamber on right side by the vertical clapboard 2,
It is provided with diaphragm plate 4 in the dirt seal housing room, the dust-proof chamber is separated into the clean room 5 of lower part and upper by the diaphragm plate 4
The condensation chamber 6 in portion, position corresponding with the clean room 5 offers air inlet, the air inlet setting on the cabinet 1
There is blast pipe 7, air intake blower fan 8 is provided in the blast pipe 7, purification ventilation hole 9 is offered on the diaphragm plate 4, it is described perpendicular
The top of partition 2 is provided with cold wind ventilation hole 10, is provided on side wall corresponding with the distribution chamber 3 on the cabinet 1
Air outlet is provided with air-exhausting duct 11 at the air outlet, is provided with exhaust fan 12 in the air-exhausting duct 11；
The blast pipe 7, clean room 5, purification ventilation hole 9, condensation chamber 6, cold wind ventilation hole 10, distribution chamber 3, air-exhausting duct
11 are sequentially communicated to form ventilation wind path；
Scavenging solution 13 is contained in the clean room 5, the inner end downward bending of the blast pipe 7 extends to scavenging solution 13
Below liquid level；
Thermal conductive metal plate 14, the side of the thermal conductive metal plate 14 and the cabinet 1 are provided on the side wall of the condensation chamber 6
It is provided with hollow sandwich 15 between wall, several semiconductor chilling plates 16, the semiconductor system are provided in the hollow sandwich 15
Cold 16 hot end is abutted against with 1 side wall of cabinet, and cold end is abutted against with the thermal conductive metal plate 14, in the condensation chamber 6
Several metal condensation plates are provided with, the metal condensation plate is fixedly installed on the thermal conductive metal plate 14.Further, this reality
Thermally conductive metal plate material is used with the side wall of Novel box 1, facilitates heat dissipation.Clean room 5 and condensation chamber is arranged in the utility model
6,13 body of scavenging solution is set in clean room 5, several metal condensation plates are set in condensation chamber 6, the air for being passed through distribution chamber 3 first leads to
Enter and be dusted in 13 body of scavenging solution of clean room 5, then flow to condensation chamber 6, under the action of metal condensation plate, by dedusting
When the vapor that carries be condensed into liquid and fall after rise in clean room 5, and eliminate and enter distribution chamber 3 in the air of vapor,
Its ventilation for not only realizing distribution chamber 3, and air, after the condensation of the refrigeration of condensation chamber 6, temperature reduces, and therefore, enters
The air of distribution chamber 3 is cold air, better heat-radiation effect.The utility model is freezed using semiconductor chilling plate 16, cold
Solidifying 6 side wall of room and metal condensation plate are all made of thermally conductive metal material, so that the side wall and metal condensation of condensation chamber 6
Plate is in ice-cold state, is condensed into liquid convenient for vapor and removes.
Further, the promising air intake blower fan 8 of setting, exhaust fan 12 and semiconductor system in the distribution chamber 3
The power supply 27 and power switch 28 of cold 16 power supply, the power supply 27, power switch 28, air intake blower fan 8, semiconductor chilling plate
16, exhaust fan 12 is sequentially connected electrically (series connection).
Further, the metal condensation plate includes the left metal condensation plate 17 and right metal condensation plate 18 being arranged alternately,
Left metal condensation plate 17 is set on the left side wall of condensation chamber 6, and right metal condensation plate 18 is set to the right side wall of the condensation chamber 6
On, to form winding type wind path.
Further, left metal condensation plate 17 and right metal condensation plate 18 are obliquely installed, to make left metal condensation
Plate 17 and right metal condensation plate 18 are intersected and non-parallel, the folder of left metal condensation plate 17 and right metal condensation plate 18 and vertical direction
Angle is 45 ~ 70 degree.The metal condensation plate of the utility model includes the left metal condensation plate 17 and right metal condensation being arranged alternately
Plate 18, and left metal condensation plate 17 and right metal condensation plate 18 are obliquely installed, to make left metal condensation plate 17 and right metal
Cold plate 18 intersects and non-parallel, thus during making upward motion of air, formed first upwards again along metal condensation plate downwards again
Upwards, then the winding type wind path downward along metal condensation plate, the wind path in condensation chamber 6 is not only extended, increases air cold
The residence time of solidifying room 6, time of contact and the contact area of air and metal condensation plate are also increased, air has been further facilitated
In Water vapor condensation removed at water droplet.
Further, several left drainage bars 19 and several right drainage bars 20, the metal are additionally provided in the condensation chamber 6
On cold plate and several through-holes 21 are provided on diaphragm plate 4；It is corresponding logical in the left metal condensation plate 17 of the left drainage bar 19
Hole 21 is fixedly connected with the end of right metal condensation plate 18；The lower end of the left drainage bar 19 passes through net wind ventilation hole 9 and extends to
In clean room 5；The right drainage bar 20 passes through corresponding through-hole 21 and left metal condensation plate 17 in right metal condensation plate 18
End is fixedly connected, and the lower end of the right drainage bar 20 passes through corresponding through-hole 21 on the diaphragm plate 4 and extends to clean room 5
It is interior.The lower part of the drainage bar extends in clean room 5.The setting of drainage bar facilitates the liquid flow condensed in metal condensation plate
Enter clean room 5.
Further, phase is provided with several short drainage strips 22, the short drainage strip 22 on the side wall of the through-hole 21
The other end is fixedly connected with corresponding drainage bar.The drainage that the setting of the short drainage strip 22 has further facilitated liquid enters purification
In room 5, its drippage is avoided in the metal condensation plate of lower layer.
Further, position corresponding with the clean room 5 is provided with water inlet pipe 23 and goes out on the side wall of the cabinet 1
Water pipe 24 is provided with valve 25 on the water inlet pipe 23 and the outlet pipe 24.
Further, water level sensor 26 is provided in the clean room 5.The utility model is provided in clean room 5
Water level sensor 26 facilitates the SEA LEVEL VARIATION in detection clean room 5, when water level is lower than specified value, can remind work in time
Make 13 body of personnel's after-purification liquid.
Further, the distribution chamber 3 is provided with the door for opening or closing the distribution chamber.
Claims (8)
1. a kind of outdoor radiating dustproof distribution box, which is characterized in that including cabinet (1), be provided with vertical clapboard in the cabinet (1)
(2), the cabinet (1) is separated into the distribution chamber (3) in left side and the dust-proof chamber on right side by the vertical clapboard (2), described anti-
It is provided in dirt chamber diaphragm plate (4), the dust-proof chamber is separated into the clean room (5) of lower part and upper by the diaphragm plate (4)
The condensation chamber (6) in portion, position corresponding with the clean room (5) offers air inlet, the air inlet on the cabinet (1)
Place is provided with blast pipe (7), is provided with air intake blower fan (8) in the blast pipe (7), is offered purification on the diaphragm plate (4)
The top of ventilation hole (9), the vertical clapboard (2) is provided with cold wind ventilation hole (10), on the cabinet (1) with the distribution chamber
(3) it is provided with air outlet on corresponding side wall, is provided at the air outlet air-exhausting duct (11), is set in the air-exhausting duct (11)
It is equipped with exhaust fan (12)；
The blast pipe (7), clean room (5), purification ventilation hole (9), condensation chamber (6), cold wind ventilation hole (10), distribution chamber
(3), air-exhausting duct (11) is sequentially communicated to form ventilation wind path；
It is contained with scavenging solution (13) in the clean room (5), the inner end downward bending of the blast pipe (7) extends to scavenging solution
(13) below liquid level；
It is provided with thermal conductive metal plate (14) on the side wall of the condensation chamber (6), the thermal conductive metal plate (14) and the cabinet (1)
Side wall between be provided with hollow sandwich (15), is provided with several semiconductor chilling plates (16), institute in the hollow sandwich (15)
The hot end and the cabinet (1) side wall for stating semiconductor chilling plate (16) abut against, and cold end offsets with the thermal conductive metal plate (14)
It connects, is provided with several metal condensation plates in the condensation chamber (6), the metal condensation plate is fixedly installed on the thermal conductive metal plate
(14) on.
2. a kind of outdoor radiating dustproof distribution box according to claim 1, which is characterized in that in the distribution chamber (3)
The power supply (27) and power supply of the promising air intake blower fan (8), exhaust fan (12) and semiconductor chilling plate (16) power supply are set
It switchs (28), the power supply (27), power switch (28), air intake blower fan (8), semiconductor chilling plate (16), exhaust fan (12)
It is sequentially connected electrically.
3. a kind of outdoor radiating dustproof distribution box according to claim 1, which is characterized in that the metal condensation plate includes
The left metal condensation plate (17) and right metal condensation plate (18) being arranged alternately, left metal condensation plate (17) are set to condensation chamber (6)
Left side wall on, right metal condensation plate (18) is set on the right side wall of the condensation chamber (6), to form winding type wind path.
4. a kind of outdoor radiating dustproof distribution box according to claim 3, which is characterized in that left metal condensation plate (17) and
Right metal condensation plate (18) is obliquely installed, the angle of left metal condensation plate (17) and right metal condensation plate (18) and vertical direction
It is 45 ~ 70 degree.
5. a kind of outdoor radiating dustproof distribution box according to claim 3, which is characterized in that in the condensation chamber (6) also
It is provided with several left drainage bars (19) and several right drainage bars (20), is respectively provided in the metal condensation plate and on diaphragm plate (4)
There are several through-holes (21)；Corresponding through-hole (21) and right metal condensation in the left metal condensation plate of the left drainage bar (19) (17)
The end of plate (18) is fixedly connected；The lower end of the left drainage bar (19) passes through net wind ventilation hole (9) and extends to clean room (5)
It is interior；The right drainage bar (20) passes through corresponding through-hole (21) and left metal condensation plate (17) on right metal condensation plate (18)
End is fixedly connected, and the lower end of the right drainage bar (20) passes through corresponding through-hole (21) on the diaphragm plate (4) and extends to
In clean room (5).
6. a kind of outdoor radiating dustproof distribution box according to claim 5, which is characterized in that the side wall of the through-hole (21)
Upper phase is provided with several short drainage strips (22), and short drainage strip (22) other end is fixedly connected with corresponding drainage bar.
7. a kind of outdoor radiating dustproof distribution box according to claim 1, which is characterized in that the side wall of the cabinet (1)
Upper position corresponding with the clean room (5) is provided with water inlet pipe (23) and outlet pipe (24), the water inlet pipe (23) and institute
It states and is provided with valve (25) on outlet pipe (24).
8. a kind of outdoor radiating dustproof distribution box according to claim 6, which is characterized in that set in the clean room (5)
It is equipped with water level sensor (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821551495.7U CN208923650U (en) | 2018-09-21 | 2018-09-21 | A kind of outdoor radiating dustproof distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821551495.7U CN208923650U (en) | 2018-09-21 | 2018-09-21 | A kind of outdoor radiating dustproof distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208923650U true CN208923650U (en) | 2019-05-31 |
Family
ID=66706590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821551495.7U Active CN208923650U (en) | 2018-09-21 | 2018-09-21 | A kind of outdoor radiating dustproof distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208923650U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110707563A (en) * | 2019-11-07 | 2020-01-17 | 合肥德源智能科技有限公司 | Sealed explosion-proof block terminal |
| CN112839466A (en) * | 2021-01-26 | 2021-05-25 | 武汉恒安数联电子科技有限公司 | Gas fire-extinguishing controller |
| CN117096738A (en) * | 2023-08-25 | 2023-11-21 | 国网安徽省电力有限公司望江县供电公司 | Electric power network information safety control terminal |
-
2018
- 2018-09-21 CN CN201821551495.7U patent/CN208923650U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110707563A (en) * | 2019-11-07 | 2020-01-17 | 合肥德源智能科技有限公司 | Sealed explosion-proof block terminal |
| CN110707563B (en) * | 2019-11-07 | 2021-02-26 | 合肥德源智能科技有限公司 | Sealed explosion-proof block terminal |
| CN112839466A (en) * | 2021-01-26 | 2021-05-25 | 武汉恒安数联电子科技有限公司 | Gas fire-extinguishing controller |
| CN112839466B (en) * | 2021-01-26 | 2022-04-29 | 武汉恒安数联电子科技有限公司 | Gas fire-extinguishing controller |
| CN117096738A (en) * | 2023-08-25 | 2023-11-21 | 国网安徽省电力有限公司望江县供电公司 | Electric power network information safety control terminal |
| CN117096738B (en) * | 2023-08-25 | 2024-06-04 | 国网安徽省电力有限公司望江县供电公司 | Electric power network information safety control terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208923650U (en) | A kind of outdoor radiating dustproof distribution box | |
| KR101135485B1 (en) | Swichgear equipped with low power water collected devices | |
| CN200994229Y (en) | Cabinet | |
| CN203533773U (en) | Humidification device and air conditioner system with same | |
| CN109412051A (en) | A kind of convergence control cabinet dehumidification by condensation device by water-cooling | |
| CN210926669U (en) | Dampproofing processing apparatus for building engineering equipment | |
| CN108916997A (en) | Warm and humid regulating device | |
| CN104344449A (en) | Multifunctional heater | |
| CN201181135Y (en) | Semiconductor refrigerator and use thereof | |
| CN209016512U (en) | A kind of convergence control cabinet dehumidification by condensation device by water-cooling | |
| CN209459288U (en) | A kind of freezer integral type refrigeration unit | |
| CN206669916U (en) | A kind of intelligent miniature dehumidifier | |
| CN212412511U (en) | Take dampproofing intelligent looped netowrk cabinet of air humidity monitoring | |
| CN212462541U (en) | Low-voltage switch cabinet | |
| CN108963825A (en) | A kind of five casees dehumidifiers of substation and its operation method | |
| CN212085466U (en) | Mildew-proof switch cabinet | |
| CN212164016U (en) | Dehumidification device for shielding cabinet | |
| CN211607187U (en) | Isolated air heat exchanger | |
| CN207833311U (en) | A kind of synthesis energy saving management and control device | |
| CN208480197U (en) | A kind of electrical control cabinet convenient for heat dissipation | |
| CN111697449A (en) | Take dampproofing intelligent looped netowrk cabinet of air humidity monitor function | |
| CN208108359U (en) | Water curtain type industry cold and warm air heating radiator | |
| CN105375370A (en) | Intelligent dehumidifying device | |
| CN217929126U (en) | Air purification device with humidification function | |
| CN207570067U (en) | Fresh air-changing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |