CN210373946U - Heat exchanger - Google Patents
Heat exchanger Download PDFInfo
- Publication number
- CN210373946U CN210373946U CN201921162908.7U CN201921162908U CN210373946U CN 210373946 U CN210373946 U CN 210373946U CN 201921162908 U CN201921162908 U CN 201921162908U CN 210373946 U CN210373946 U CN 210373946U
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- Prior art keywords
- heat exchange
- vent
- vertical
- air
- fan
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- 238000009423 ventilation Methods 0.000 claims abstract description 34
- 238000011010 flushing procedure Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract 2
- 239000000428 dust Substances 0.000 description 3
- 241000238631 Hexapoda Species 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The utility model discloses a heat exchange device relates to the heat transfer field, the utility model discloses can be used for to computer lab indoor air and outdoor air heat transfer to reach the cooling to the indoor air. The method comprises the following steps: the device comprises a vertical ventilation hole, a water collecting tank, a primary fan, a secondary fan, a flushing device and corresponding accessories. The heat exchange device is arranged by the outer wall of a machine room, a heat exchange air channel is constructed by utilizing a building structure, the vertical ventilation holes are arranged in the heat exchange air channel, and heat exchange between outdoor air and indoor air is realized in the heat exchange air channel. The embodiment of the utility model provides a be applied to the cooling to computer lab indoor air.
Description
Technical Field
The utility model relates to a heat transfer field especially relates to a heat transfer device.
Background
At present, the base station of an operator is in high-load operation throughout the year, and an air conditioner is still required to be started for refrigeration even in winter. The existing heat exchange device mostly utilizes the compressor to cool the indoor air, and the existing heat exchanger has the condition of indoor and outdoor air exchange in the heat exchange process, so that the quality of the indoor air can be influenced, the heat exchange efficiency is low, and the problems of insufficient refrigerating capacity and the like in the use process are difficult to solve. The heat exchange core body of the existing air-type heat exchanger is easy to dirty and block and is difficult to maintain, dirt is bound to the heat exchange core body of the heat exchanger along with the lapse of service time, the heat exchange effect is influenced, and the workload of daily maintenance and cleaning is increased.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a heat transfer device for the computer lab carries out the heat exchange.
In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:
there is provided a heat exchange device, the device comprising: the heat exchange air duct, the vertical vent hole, the first fan and the second fan; wherein:
the vertical vent hole is arranged in the vertically arranged heat exchange air duct; in the heat exchange air channel, the space inside the vertical vent hole is used for air circulation of a machine room, and the space outside the vertical vent hole is used for outdoor air circulation;
the first fan and the second fan are respectively arranged in the heat exchange air duct; the first fan is used for providing power for air circulation outside the vertical vent hole; the second fan is used for providing power for air circulation inside the vertical vent hole;
wherein, the air flow direction outside the vertical vent hole is opposite to the air flow direction inside the vertical vent hole.
The embodiment of the utility model provides a heat transfer device, the air flow direction in the vertical ventilation hole outside is opposite with the inboard air flow direction in vertical ventilation hole, but the heat exchange of the indoor outer air of realization of maximum efficiency. And when the air density difference outside the vertical ventilation hole reaches a certain value, the first fan is closed, and the density difference at the outdoor air inlet of the heat exchange air channel drives airflow to naturally flow, so that hot-pressing ventilation is realized, and energy is saved.
Drawings
Fig. 1 is a schematic structural view of a heat exchange device according to an embodiment of the present invention;
fig. 2 is a sectional view of a heat exchange device according to an embodiment of the present invention;
reference numerals:
in the figure, 1 is a heat exchange air duct, 2 is a vertical vent hole, 3 is a water collecting tank, 4 is a washing device, 5 is a brick outer wall, 6 is a first fan, 7 is an insect-proof net, 8 is a filter screen, 9 is a second fan, 10 is a first sensor, and 11 is a second sensor.
Detailed Description
The technical solution in the embodiment of the present invention will be described below with reference to the accompanying drawings in the embodiment of the present invention.
In the description of the present invention, "/" means "or" unless otherwise stated, for example, a/B may mean a or B. "and/or" herein is merely an association describing an associated object, and means that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. Further, "at least one" means one or more, "a plurality" means two or more. The terms "first", "second", and the like do not necessarily limit the number and execution order, and the terms "first", "second", and the like do not necessarily limit the difference.
It is following, right the utility model discloses heat transfer device's that the embodiment provides the utility model discloses the design introduces:
currently, operators own and lease base stations with millions of scales, and the base stations are in high-load operation all the year round, and even in winter, air conditioners still need to be started for refrigeration. In order to relieve the energy consumption pressure, the existing energy-saving technology is applied to the base station in a large scale. The air-air heat exchanger carries out heat exchange between outdoor air and indoor air through the heat exchange core body due to the design principle of the air-air heat exchanger, the outdoor air is not in direct contact with the indoor air, isolated heat exchange is achieved, and good cleanliness of a machine room is guaranteed. However, the heat exchange core body of the existing air-to-air heat exchanger is easy to dirty, block and maintain, the problems of insufficient refrigerating capacity and the like in the use process are difficult to solve, and finally, equipment is scrapped.
In order to overcome the easy filthy stifled difficult maintenance of current empty heat exchanger heat transfer core, the refrigerating output appears not enough scheduling problem in the use, the utility model provides a heat transfer device, its structural design of this heat transfer device passes through vertical ventilation hole indoor air and outdoor air heat transfer, has improved heat transfer capacity, and heat transfer device can carry out the automation and wash simultaneously to it reduces heat transfer capacity to avoid laying dust. The heat exchange device only promotes the heat exchange between the indoor air and the outdoor air, the heat exchange between the outdoor air and the indoor air is not formed, and the influence on the indoor air quality due to poor outdoor air quality can be effectively avoided.
The utility model provides a technical scheme that its technical problem adopted is: a heat exchange device comprises a vertical ventilation hole, a first fan, a second fan, a flushing device, a water collecting tank, a first insect-proof net, a second insect-proof net, a filter screen, a first sensor and a second sensor. In order to improve the heat exchange capacity of the heat exchange device, the heat exchange device is arranged by the outer wall of the machine room, a heat exchange air channel is constructed by utilizing a building structure, the vertical ventilation holes are arranged in the heat exchange air channel, and the heat exchange between outdoor air and indoor air is realized in the heat exchange air channel.
The heat exchange device shown in fig. 1 comprises: the device comprises a heat exchange air duct 1, a vertical vent hole 2, a first fan 6 and a second fan 9; wherein:
the vertical ventilation holes 2 are arranged in the vertically arranged heat exchange air duct 1, and the vertical ventilation holes 2 are arranged in a staggered mode as shown in fig. 2. In heat transfer wind channel 1, the space in 2 inboards of vertical ventilation hole is used for the computer lab circulation of air, and the space in 2 outsides of vertical ventilation hole is used for outdoor circulation of air. The heat exchange between the indoor air and the outdoor air is realized through the pipe wall of the vertical ventilation hole 2.
Wherein, first fan 6 and second fan 9 set up respectively in heat transfer wind channel 1, and first fan 6 for the circulation of air in the 2 outsides in vertical ventilation hole provides power, and second fan 9 for the circulation of air in 2 inboards in vertical ventilation hole provides power.
Wherein, the air flow direction outside the vertical vent hole 2 is opposite to the air flow direction inside the vertical vent hole 2.
Optionally, when the heat exchange device works, the air outside the vertical ventilation holes 2 flows along the direction from bottom to top, and the air inside the vertical ventilation holes 2 flows along the direction from top to bottom.
Optionally, the heat exchange air duct 1 includes a first bottom vent and a first upper vent communicated with the space outside the vertical vent 2. A first fan 6 is arranged at the first upper vent.
Optionally, the heat exchange air duct 1 includes a second bottom vent and a second upper vent communicated with the space inside the vertical vent 2. The second fan 9 is arranged at the second bottom vent.
Optionally, the material used for the tube wall of the vertical vent 2 in the heat exchange air duct 1 should have a small thermal conductivity coefficient, which is greater than 200W/(m · K), and may be aluminum and/or copper material.
Optionally, the heat exchange air duct 1 includes a second bottom vent and a second upper vent communicated with the space inside the vertical vent 2.
Optionally, the heat exchanger further comprises: differential pressure sensor, flushing device 4. The differential pressure sensor comprises a first sensor 10 arranged at the second bottom ventilation opening and a second sensor 11 arranged at the second upper ventilation opening.
The flushing device 4 is arranged at the upper part of the heat exchange air duct 1 and used for flushing the pipe wall of the vertical ventilation hole 2 when the pressure difference between the first sensor 10 and the second sensor 11 exceeds a threshold value.
Optionally, the heat exchanger further comprises: and the water collecting tank 3 is arranged at the bottom of the heat exchange air channel 1 and is used for collecting sewage generated by flushing the pipe wall of the vertical ventilation hole 2 by the flushing device 4.
Optionally, the heat exchanger further comprises: and the filter screen 8 is arranged at the first bottom vent.
Optionally, the heat exchanger further comprises: and the insect-proof net 7 is arranged at the first bottom vent, and the second insect-proof net is arranged at the first upper vent. Prevent the outdoor dirty matters or insects and small animals from entering the inside of the heat exchange air duct 1 to affect heat exchange.
The beneficial effects of the utility model are that, this heat transfer device passes through vertical ventilation hole indoor air and outdoor air heat transfer through its structural design, has improved heat transfer device's heat transfer ability, and this heat transfer device leans on the computer lab outer wall to set up, utilizes building structure to establish heat transfer wind channel, and heat transfer device can carry out the automation and wash simultaneously, guarantees that the laying dust reduces heat transfer ability.
In one implementation manner, in fig. 1, the vertical ventilation holes 2 are disposed inside the heat exchange air duct 1, and the vertical ventilation holes 2 are arranged in a staggered manner, as shown in fig. 2. The 2 inboards of the vertical ventilation hole are used for circulating air of the machine room, the 2 outsides of the vertical ventilation hole are used for circulating air outdoors, and the heat exchange between indoor air and outdoor air is realized through the 2 pipe walls of the vertical ventilation hole. The material of 2 pipe walls in preparation vertical ventilation hole need have less coefficient of heat conductivity, but the realization of maximum efficiency indoor air and the heat exchange of outdoor air.
Further, wall holes are respectively formed in the bottom and the upper portion of the outdoor air through the outer wall of the machine room, the bottom wall hole is a first bottom vent of the heat exchange air duct 1, and the top wall hole is a first upper vent of the heat exchange air duct 1. A first fan 6 is arranged at the position of the first upper vent hole to provide power for air circulation outside the vertical vent hole. A filter screen 8 is arranged at the position of the first bottom vent to prevent outdoor dirty substances from entering the heat exchange air duct 1 to influence heat exchange.
Furthermore, the heat exchange air duct 1 adopts a mode of bottom air inlet and top air exhaust, when the air density difference reaches a certain value, the first fan 6 is closed, and at the moment, the density difference at the first bottom vent can be used for driving air flow to naturally flow, so that hot-pressing ventilation is realized.
Furthermore, the first bottom vent is provided with an insect-proof net 7 and a filter screen 8, the first upper vent is provided with the insect-proof net 7, and outdoor dirty substances or insects and small animals are prevented from entering the heat exchange air duct to affect heat exchange.
Further, second fan 9 provides power for the circulation of air of 2 inboard in vertical ventilation hole, and second fan 9 sets up at second bottom vent, and vertical ventilation hole 2 is inside to be surveyed and outside air flow opposite direction, realizes thermal exchange through vertical ventilation hole 2.
Furthermore, a flushing device 4 is arranged at the upper part of the heat exchange air duct 1, and the flushing device 4 is flushed and maintained on line through a differential pressure sensor. A first sensor 10 is arranged at the second bottom vent and a second sensor 11 is arranged at the second upper vent. When the pressure difference between the first sensor 10 and the second sensor 11 is detected to exceed the threshold value, the flushing device 4 is opened to flush the pipe wall of the vertical vent hole 2.
Furthermore, the flushing device 4 can flush the pipe wall on one hand and enhance the heat exchange capacity of the pipe wall through evaporation of moisture on the other hand.
Furthermore, a filter screen 8 is arranged at the vent at the upper part of the second part, so that indoor dust is prevented from entering the heat exchange air duct 1, and the heat exchange capacity of the wall of the vent is reduced. The bottom of the heat exchange air duct 1 is provided with a water collecting tank 3, and the water collecting tank 3 is used for collecting sewage after the flushing device 4 is opened.
The above description is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or replacements within the technical scope of the present invention should be covered within the protection scope of the present invention.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A heat exchange device, comprising: the heat exchange air duct, the vertical vent hole, the first fan and the second fan; wherein:
the vertical vent hole is arranged in the vertically arranged heat exchange air duct; in the heat exchange air duct, the space inside the vertical vent hole is used for air circulation of a machine room, and the space outside the vertical vent hole is used for outdoor air circulation;
the first fan and the second fan are respectively arranged in the heat exchange air duct; the first fan is used for providing power for air circulation outside the vertical vent hole; the second fan is used for providing power for air circulation inside the vertical vent hole;
wherein the air flow direction outside the vertical vent is opposite to the air flow direction inside the vertical vent.
2. The heat exchange device of claim 1, wherein when the heat exchange device is in operation, air outside the vertical vent flows in a direction from bottom to top, and air inside the vertical vent flows in a direction from top to bottom.
3. The heat exchange device of claim 2, wherein the heat exchange air duct comprises a first bottom vent, a first upper vent in communication with a space outside the vertical vent;
the first fan is arranged at the first upper vent.
4. The heat exchange device of claim 2, wherein the heat exchange air duct comprises a second bottom vent, a second upper vent in communication with the space inside the vertical vent;
the second fan is arranged at the second bottom vent.
5. The heat exchange device of claim 1, wherein the vertical vent pipe wall is made of a material with a thermal conductivity greater than 200W/(m-K).
6. The heat exchange device of any one of claims 1 to 5, wherein the heat exchange air duct comprises a second bottom vent, a second upper vent in communication with the space inside the vertical vent;
the device further comprises: differential pressure sensor, flushing device;
wherein the differential pressure sensor comprises a primary sensor disposed at the second bottom vent and a secondary sensor at the second upper vent;
the flushing device is arranged at the upper part of the heat exchange air duct;
and the flushing device is used for flushing the pipe wall of the vertical vent when the pressure difference between the primary sensor and the secondary sensor exceeds a threshold value.
7. The heat exchange device of claim 6, further comprising: a water collecting tank;
the water collecting tank is arranged at the bottom of the heat exchange air duct;
the water collecting tank is used for collecting sewage generated by flushing the pipe wall of the vertical ventilation hole by the flushing device.
8. The heat exchange device of any one of claims 1 to 5, wherein the heat exchange air duct comprises a first bottom vent, a first upper vent in communication with a space outside the vertical vent;
the device further comprises: a filter screen;
the filter screen is arranged at the first bottom vent.
9. The heat exchange device of any one of claims 1 to 5, wherein the heat exchange air duct comprises a first bottom vent, a first upper vent in communication with a space outside the vertical vent;
the device further comprises: the first insect-proof net and the second insect-proof net;
the first insect-proof net is arranged at the first bottom vent, and the second insect-proof net is arranged at the first upper vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921162908.7U CN210373946U (en) | 2019-07-23 | 2019-07-23 | Heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921162908.7U CN210373946U (en) | 2019-07-23 | 2019-07-23 | Heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210373946U true CN210373946U (en) | 2020-04-21 |
Family
ID=70273185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921162908.7U Active CN210373946U (en) | 2019-07-23 | 2019-07-23 | Heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210373946U (en) |
-
2019
- 2019-07-23 CN CN201921162908.7U patent/CN210373946U/en active Active
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| GR01 | Patent grant |