CN105937859B - A kind of bushing type cooling system - Google Patents
A kind of bushing type cooling system Download PDFInfo
- Publication number
- CN105937859B CN105937859B CN201610382741.XA CN201610382741A CN105937859B CN 105937859 B CN105937859 B CN 105937859B CN 201610382741 A CN201610382741 A CN 201610382741A CN 105937859 B CN105937859 B CN 105937859B
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- cooling
- tube
- air hose
- air
- nozzle
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- Expired - Fee Related
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- 238000001816 cooling Methods 0.000 title claims abstract description 141
- 239000007921 spray Substances 0.000 claims description 11
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000009423 ventilation Methods 0.000 abstract description 2
- 238000004378 air conditioning Methods 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 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
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of bushing type cooling systems, including cooling unit, cooling unit includes water-collecting tray, Whirl pump, outer tube, inner tube and fan housing, the outer tube, which spirals, rises pillared air hose, inner tube, which is spiraled, rises pillared cooling tube, fan housing cover on water-collecting tray after by Whirl pump, air hose and cooling tube are wrapped in inside fan housing, the air outlet of Whirl pump is connected with the air inlet of air hose, it is covered with multiple nozzles on the column excircle of air hose, cooling tube is located inside air hose, heat exchange space is formed between the outer cylinder circumference of cooling tube and the inner cylinder circumference of air hose, the both ends of cooling tube are respectively by cooling down inlet pipe and cooling outlet pipe through being connected with external low-temperature receiver after fan housing.It is located at by cooling tube inside air hose, the structure of pipe-in-pipe is formed, the cooling tube of inner layer is leaked water, the ventilation of the air hose of outer layer, so can realize that heat is shifted to greatest extent with minimum air quantity, and special structure is configured on pipeline, in order to avoid condense in cooling air in base station equipment.
Description
Technical field
It is particularly a kind of to be used for mobile phone signal base station the present invention relates to a kind of cooling system in refrigeration research field
The bushing type cooling system of equipment.
Background technology
According to statistics, 2015 are ended, China's communication base station has been broken through 2,660,000 and increased year by year, wherein communicating
There is 30% to carry out cooling and warming using air-conditioning in base station, that is, need using 266*30%=79.8 ten thousand air-conditioning.According to investigation statistics
Data show that a traditional base station capital equipment power is generally in 1500W-2500W, and air conditioner in machine room rated power is in 3000W-
Between 5000W, calculated with maximum average power 4000W, when work 24 is small daily, each about 100 degree or so of base station total power consumption,
3.5 ten thousand degree of power consumption in 1 year, then the annual power consumption in China base station is calculated up to more than 931 hundred million degree by 1.3 yuan/degree of commercial power, that
Just up to 1210.3 hundred million yuan of the electricity charge of 1 year.The homogeneous day twenty four hours of all devices in communication base station is not rested fortune
Make, therefore substantial amounts of heat can be generated, so that temperature is excessively high, the failure of electric elements may be caused and influence the longevity of equipment
Life.In addition, if humidity is excessively high, then it can generate condensed water and cause equipment short-circuit；Humidity is low, and it will cause be referred to as " electronics
The electrostatic of element killer ".And the computer room of existing most of base stations is all cooled down and kept the temperature with traditional air-conditioning.It is consumed in communication base station
Electricity form in, air-conditioning power consumption occupies 50% of total power consumption or so, and have in base station 30% carried out using air-conditioning system it is cold
But, so the base station air conditioner power consumption of 1 year is up to 931*50%*30%=139.65 hundred million degree, 1 year electricity cost is 139.115*
1.3=181.545 hundred million yuan.Therefore, how to lower air-conditioning power consumption and have become the important class that communications industry needs to study in a hurry
Topic.Using rational energy conservation measure, technical ability transformation is carried out to communication base station, not only subtracting target for national energy-saving row makes contributions,
Meanwhile also reduce the operation costs of enterprise in itself.
The content of the invention
The invention reside in a kind of bushing type cooling system is provided, big first against traditional base station space, overall space freezes
The shortcomings that larger energy need to be expended, the cooling dome for targetedly devising dedicated small size bigger to some quantities of heat production are set
Standby to carry out concentration cooling, the not high equipment of caloric value need not then be cooled down, and reached with this and saved power consumption.It simultaneously will be special
Circuit design inside computer room is into double-deck form of tubes, and inner layer is leaked water, outer layer is ventilated, and can so be realized with minimum air quantity maximum
The heat transfer of limit, and special structure is configured on pipeline, in order to avoid condense in cooling air base station equipment.
The present invention solve its technical problem solution be：A kind of bushing type cooling system, including at least one cooling
Unit, the cooling unit include water-collecting tray, the Whirl pump on water-collecting tray, outer tube, inner tube and fan housing, the outer tube
It spirals and rises pillared air hose, said inner tube, which is spiraled, rises pillared cooling tube, and the fan housing will after covering on water-collecting tray
Whirl pump, air hose and cooling tube are wrapped in inside fan housing, and the air outlet of the Whirl pump is connected with the air inlet of air hose, described
The nozzle being covered on the column excircle of air hose inside multiple connection air hoses, the cooling tube are located inside air hose, cooling tube
Form heat exchange space between outer cylinder circumference and the inner cylinder circumference of air hose, the both ends of cooling tube respectively by cool down inlet pipe and
Cooling outlet pipe is connected after passing through fan housing with external low-temperature receiver.Preferably, external low-temperature receiver is air-conditioner host or ground hot cooling water.
As being further improved for above-mentioned technical proposal, one end of the nozzle is connected with the inside of air hose, nozzle it is another
One end is closed, and the end face outside of nozzle is disposed with the miniature spray orifice of multiple connection nozzle interiors, and the nozzle is located inside fan housing.
Preferably, a diameter of 0.1 ~ 1mm of miniature spray orifice, specifically, a diameter of 0.2mm of miniature spray orifice.
As being further improved for above-mentioned technical proposal, multiple connection nozzle interiors are disposed on the blind end of the nozzle
Miniature spray orifice.
As being further improved for above-mentioned technical proposal, a plurality of vertical slot being distributed vertically is disposed on the fan housing, is passed through
Vertical slot realizes base station equipment and the air flow inside cooling unit.Preferably, the width of vertical slot is 0.5 ~ 2mm.
As being further improved for above-mentioned technical proposal, the cooling inlet pipe is located at the bottom of cooling tube, cool down outlet pipe from
The top down of cooling tube extends to parallel with cooling inlet pipe behind the bottom of cooling tube.
As being further improved for above-mentioned technical proposal, the chassis of regular polygon and matched with chassis shape is further included
Cooling dome, the cooling unit are stood on chassis, the cooling dome is covered on chassis cooling unit is wrapped up after to form cooling empty
Between, cooling space is separated into the part rest area to be cooled to match with the side number on chassis by the cooling unit, described to catchment
Disk is arranged in the upper surface on chassis.Base station equipment and cooling unit are disposed with inside cooling dome.Wherein base station equipment is enclosed on demand
Part rest area to be cooled is mounted on around cooling unit, to save installation space to greatest extent, while ensures to connect to greatest extent
Receive the cool breeze from cooling unit.Cooling unit can be with external air-conditioner host or ground hot cooling water, and it is air-conditioner host to act on
Or the cryogenic media that ground hot cooling water is brought absorbs the heat of air in cooling dome, and it is taken away.As long as in cooling dome
Heat is endlessly taken away, while the heat of external environment cannot conduct into again if, the temperature in cooling dome will
Slowly reduce.
As being further improved for above-mentioned technical proposal, further include to detect the first temperature sensing of nozzle leaving air temp
Device and detection are located at the second temperature sensor of base station equipment temperature in part rest area to be cooled, the installation of the first temperature sensor
On fan housing, second temperature sensor is mounted on the side of base station equipment in part rest area to be cooled, is passed by the first temperature
Sensor and second temperature sensor feed back corresponding temperature, then the air quantity of control rotation air pump, the size of gas pushing quantity are adjusted, to reach
To the purpose of the control temperature difference, it is possible to reduce the problem of condensing in base station equipment to greatest extent.
As being further improved for above-mentioned technical proposal, several fan hermatic doors are disposed on the cooling dome, it is each described
Hermatic door corresponds to a part rest area to be cooled.Cooling dome can be designed as arbitrary polygon according to actual needs, it is preferable that cold
But it is provide with and is calculated as regular polygon, so can not only save space, the equipment in 360 degree of monitorings and in safeguarding heat shield is filled
Dividing using space, can also reduce space and the energy consumption of cooling.Hermatic door is made of composite plate, wherein, in composite plate
Polyurethane foam sponge has the characteristics such as heat preservation, heat-insulated, sound-absorbing, damping, fire-retardant, antistatic, good permeability, more preferable to improve cooling
The work efficiency of system.Sealing strip is fitted between each fan hermatic door and doorframe, in case extraneous environment influences cooling dome
Interior temperature.
As being further improved for above-mentioned technical proposal, the nozzle is the aluminium alloy element of high thermal conductivity coefficient.
The beneficial effects of the invention are as follows：The present invention is located at by cooling tube inside air hose, forms the structure of pipe-in-pipe, inner layer
Cooling tube leak water, the ventilation of the air hose of outer layer, so can realize that heat shifts to greatest extent, and in pipe with minimum air quantity
Special structure is configured on road, in order to avoid condense in cooling air in base station equipment.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.Obviously, described attached drawing is the part of the embodiment of the present invention rather than all implements
Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs
Scheme and attached drawing.
Fig. 1 is the structure diagram after the removal cooling dome of the present invention；
Structure diagram when Fig. 2 is present invention work；
Fig. 3 is the structure diagram of cooling unit in the present invention；
Fig. 4 is the internal structure schematic diagram of cooling unit in the present invention；
Fig. 5 is the distribution schematic diagram of nozzle in the present invention.
Specific embodiment
The technique effect of the design of the present invention, concrete structure and generation is carried out below with reference to embodiment and attached drawing clear
Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright part of the embodiment rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art is not paying
The other embodiment obtained on the premise of creative work, belongs to the scope of protection of the invention.In addition, be previously mentioned in text
All connection/connection relations not singly refer to component and directly connect, and refer to be added deduct by adding according to specific implementation situation
Few couple auxiliary, to form more preferably coupling structure.
Reference Fig. 1~Fig. 5, a kind of bushing type cooling system, including at least one cooling unit 2, the cooling unit 2
Whirl pump 25, outer tube, inner tube and fan housing 20 including water-collecting tray 22, on water-collecting tray 22, the outer tube spiral rising
Pillared air hose 26, said inner tube, which is spiraled, rises pillared cooling tube 27, and the fan housing 20 will after covering on water-collecting tray 22
Whirl pump 25, air hose 26 and cooling tube 27 are wrapped in inside fan housing 20, the air outlet of the Whirl pump 25 and air hose 26 into
Air port connects, the nozzle 28 being covered on the column excircle of the air hose 26 inside multiple connection air hoses 26, the cooling tube 27
Inside air hose 26, heat exchange space is formed between the outer cylinder circumference of cooling tube 27 and the inner cylinder circumference of air hose 26, it is cold
But the both ends of pipe 27 are respectively by cooling down inlet pipe 23 and cooling outlet pipe 24 through being connected with external low-temperature receiver after fan housing 20.Preferably,
External low-temperature receiver is air-conditioner host or ground hot cooling water.
Preferred embodiment is further used as, one end of the nozzle 28 is connected with the inside of air hose 26, nozzle 28
The other end is closed, and the end face outside of nozzle 28 is disposed with the miniature spray orifice inside multiple connection nozzles 28, and the nozzle 28 is located at
Inside fan housing 20.Preferably, a diameter of 0.1 ~ 1mm of miniature spray orifice, specifically, a diameter of 0.2mm of miniature spray orifice.
Preferred embodiment is further used as, is disposed on the blind end of the nozzle 28 inside multiple connection nozzles 28
Miniature spray orifice.
Preferred embodiment is further used as, a plurality of vertical slot 21 being distributed vertically is disposed on the fan housing 20, is passed through
Vertical slot 21 realizes base station equipment 12 and the air flow inside cooling unit 2.Preferably, the width of vertical slot 21 is 0.5 ~ 2mm.
Preferred embodiment is further used as, the cooling inlet pipe 23 is located at the bottom of cooling tube 27, cools down outlet pipe 24
From the top down of cooling tube 27 extend to the bottom of cooling tube 27 after with cooling inlet pipe 23 it is parallel.
Preferred embodiment is further used as, further includes the chassis 1 of regular polygon and cold with 1 form fit of chassis
But cover 3, the cooling unit 2 is stood on chassis 1, the cooling dome 3 is covered on chassis 1 cooling unit 2 is wrapped up after formed it is cold
Cooling space is separated into the part rest area to be cooled to match with the side number on chassis 1, institute by but space, the cooling unit 2
State the upper surface that water-collecting tray 22 is arranged in chassis 1.3 the inside of cooling dome is disposed with base station equipment 12 and cooling unit 2.Wherein base station
Equipment 12 is mounted on part rest area to be cooled around cooling unit 2 on demand, to save installation space to greatest extent, simultaneously
Guarantee receives the cool breeze from cooling unit 2 to greatest extent.Cooling unit 2 can with external air-conditioner host or ground hot cooling water,
Effect is that the cryogenic media that air-conditioner host or ground hot cooling water are brought absorbs the heat of air in cooling dome 3, and its band
It walks.If the heat in cooling dome 3 is endlessly taken away, while the heat of external environment cannot conduct into again if,
Temperature in cooling dome 3 will be reduced slowly.
Preferred embodiment is further used as, further includes to detect the first temperature sensor of 28 leaving air temp of nozzle
10 are located at the second temperature sensor 12 of 12 temperature of base station equipment in part rest area to be cooled, the first temperature sensor with detection
10 are mounted on fan housing 20, and second temperature sensor 12 is mounted on the side of base station equipment 12 in part rest area to be cooled, lead to
It crosses the first temperature sensor 10 and second temperature sensor 12 feeds back corresponding temperature, then the air quantity of control rotation air pump, is adjusted
The size of gas pushing quantity, to achieve the purpose that control the temperature difference, it is possible to reduce the problem of condensing in base station equipment 12 to greatest extent.
Preferred embodiment is further used as, several fan hermatic doors 30 are disposed on the cooling dome 3, it is each described close
Closure door 30 corresponds to a part rest area to be cooled.Cooling dome 3 can be designed as arbitrary polygon according to actual needs, it is preferable that
Cooling dome 3 is designed as regular polygon, so can not only save space, the equipment in 360 degree of monitorings and in safeguarding heat shield,
Space is made full use of, space and the energy consumption of cooling can also be reduced.Hermatic door 30 is made of composite plate, wherein, composite plate
Interior polyurethane foam sponge has the characteristics such as heat preservation, heat-insulated, sound-absorbing, damping, fire-retardant, antistatic, good permeability, more preferable to improve
The work efficiency of cooling system.Sealing strip is fitted between each fan hermatic door 30 and doorframe, in case extraneous environment influences
Temperature in cooling dome 3.
Preferred embodiment is further used as, the nozzle 28 is the aluminium alloy element of high thermal conductivity coefficient.
Cryogenic media is entered by cooling inlet pipe 23 during work, and is risen in pipe inside spin and advanced, by cooling down after hot-cast socket
Outlet pipe 24, which is discharged, takes away the heat in cooling dome 3.The diameter of outer tube is bigger than the diameter of inner tube, and rotation air pump is sent for conveying
Air-flow, purpose acceleration heat is transmitted on cryogenic media, realize fast cooling.Nozzle 28 is closed by the higher aluminium of thermal conductivity factor
Golden material manufacture, and substantial amounts of miniature spray orifice is opened in its outer surface, because 28 material thermal conductivity of nozzle is high, in nozzle 28
Wall can be influenced by external high temperature, and inner wall temperature gradually rises under the action of heat transfer, when 28 inside temperature of nozzle is less than cold
But in cover 3 during the saturation temperature of air, the vapor contained by cooling air-flow in nozzle 28 will condense into water droplet, along cooling
Pipe 27 is flowed on water-collecting tray 22, is finally discharged to outside cooling dome 3.As the moisture of air in cooling dome 3 is constantly pulled away, together
When the cooling dome 3 that seals supplemented without external air, then the air in cooling dome 3 will be dried increasingly, base station equipment
12 would not condense, so as to be better protected.Fan housing 20 is a cylindrical cover for having opened many vertical slots 21, it is just
The cover of cooling tube 27 is got up, the cryogenic gas that purpose makes nozzle 28 gush out will not be directly sprayed onto in equipment, go out cooling tube 27
The cryogenic gas come is blown in base station equipment 12 after combination cooling again again in cover, and thus can reduce cryogenic gas again exists
The possibility of moisture condensation is generated in base station equipment 12
The above are the better embodiments to the present invention to be illustrated, but the invention is not limited to the reality
Example is applied, those skilled in the art can also make a variety of equivalent modifications on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (9)
1. a kind of bushing type cooling system, it is characterised in that：Including at least one cooling unit, the cooling unit includes catchmenting
Disk, the Whirl pump on water-collecting tray, outer tube, inner tube and fan housing, the diameter of outer tube is bigger than the diameter of inner tube, the outer tube
It spirals and rises pillared air hose, said inner tube, which is spiraled, rises pillared cooling tube, and the fan housing will after covering on water-collecting tray
Whirl pump, air hose and cooling tube are wrapped in inside fan housing, and the air outlet of the Whirl pump is connected with the air inlet of air hose, described
The nozzle being covered on the column excircle of air hose inside multiple connection air hoses, the cooling tube are located inside air hose, cooling tube
Form heat exchange space between outer cylinder circumference and the inner cylinder circumference of air hose, the both ends of cooling tube respectively by cool down inlet pipe and
Cooling outlet pipe is connected after passing through fan housing with external low-temperature receiver.
2. bushing type cooling system according to claim 1, it is characterised in that：One end of the nozzle and the inside of air hose
Connection, the other end closing of nozzle, the end face outside of nozzle are disposed with the miniature spray orifice of multiple connection nozzle interiors, the nozzle
Inside fan housing.
3. bushing type cooling system according to claim 2, it is characterised in that：It is disposed on the blind end of the nozzle more
The miniature spray orifice of a connection nozzle interior.
4. bushing type cooling system according to claim 1, it is characterised in that：A plurality of vertical point is disposed on the fan housing
The vertical slot of cloth.
5. bushing type cooling system according to claim 1, it is characterised in that：The cooling inlet pipe is located at the bottom of cooling tube
Portion, cooling outlet pipe from the top down of cooling tube extend to the bottom of cooling tube after with cooling inlet pipe it is parallel.
6. according to Claims 1 to 5 any one of them bushing type cooling system, it is characterised in that：Further include regular polygon
Chassis and with the matched cooling dome of chassis shape, the cooling unit stood on chassis, and the cooling dome is covered on chassis will
Cooling space is formed after cooling unit package, cooling space is separated into and is treated with what the side number on chassis matched by the cooling unit
Part rest area is cooled down, the water-collecting tray is arranged in the upper surface on chassis.
7. bushing type cooling system according to claim 6, it is characterised in that：It further includes to detect nozzle leaving air temp
The first temperature sensor and detection be located at part rest area to be cooled in base station equipment temperature second temperature sensor.
8. bushing type cooling system according to claim 6, it is characterised in that：It is close that several fans are disposed on the cooling dome
Closure door, each hermatic door correspond to a part rest area to be cooled.
9. according to Claims 1 to 5 any one of them bushing type cooling system, it is characterised in that：The nozzle is high heat conduction
The aluminium alloy element of coefficient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610382741.XA CN105937859B (en) | 2016-06-01 | 2016-06-01 | A kind of bushing type cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610382741.XA CN105937859B (en) | 2016-06-01 | 2016-06-01 | A kind of bushing type cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105937859A CN105937859A (en) | 2016-09-14 |
| CN105937859B true CN105937859B (en) | 2018-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610382741.XA Expired - Fee Related CN105937859B (en) | 2016-06-01 | 2016-06-01 | A kind of bushing type cooling system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111828840A (en) * | 2020-06-06 | 2020-10-27 | 北京市燃气集团有限责任公司 | Wearable urban gas medium-pressure regulating box sound insulation sleeve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101171492A (en) * | 2005-05-10 | 2008-04-30 | Bsh博世和西门子家用器具有限公司 | Heat exchanger for a refrigerating device |
| CN203100496U (en) * | 2013-02-22 | 2013-07-31 | 郑州大学 | Double-pipe heat exchanger |
| CN105444591A (en) * | 2015-12-01 | 2016-03-30 | 上海交通大学 | Heat exchange jetting device eliminating heat stratification in low-temperature propellant storage box |
| CN205825765U (en) * | 2016-06-01 | 2016-12-21 | 广东水利电力职业技术学院 | A kind of bushing type cooling system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090029890A (en) * | 2007-09-19 | 2009-03-24 | 한라공조주식회사 | Double Tube Internal Heat Exchanger |
-
2016
- 2016-06-01 CN CN201610382741.XA patent/CN105937859B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101171492A (en) * | 2005-05-10 | 2008-04-30 | Bsh博世和西门子家用器具有限公司 | Heat exchanger for a refrigerating device |
| CN203100496U (en) * | 2013-02-22 | 2013-07-31 | 郑州大学 | Double-pipe heat exchanger |
| CN105444591A (en) * | 2015-12-01 | 2016-03-30 | 上海交通大学 | Heat exchange jetting device eliminating heat stratification in low-temperature propellant storage box |
| CN205825765U (en) * | 2016-06-01 | 2016-12-21 | 广东水利电力职业技术学院 | A kind of bushing type cooling system |
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| Publication number | Publication date |
|---|---|
| CN105937859A (en) | 2016-09-14 |
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