CN207540038U - A kind of integral multifunctional Free-frost heat exchanger and its finned tube - Google Patents
A kind of integral multifunctional Free-frost heat exchanger and its finned tube Download PDFInfo
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- CN207540038U CN207540038U CN201721401712.XU CN201721401712U CN207540038U CN 207540038 U CN207540038 U CN 207540038U CN 201721401712 U CN201721401712 U CN 201721401712U CN 207540038 U CN207540038 U CN 207540038U
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Abstract
The utility model discloses a kind of integral multifunctional Free-frost heat exchangers, and including babinet and the evaporator, the air-cooler that are installed in babinet, babinet is equipped with into and out of air duct；The microporosity separator being longitudinally arranged is equipped in babinet, babinet is separated into left and right compartment, evaporator and air-cooler are installed in right compartment；Air inlet duct connects the left compartment of babinet, dehumidification device is equipped in left compartment, and be equipped with regneration of adsorbent material device；Regneration of adsorbent material device includes the auxiliary heat pipe and the Electric air valve that connect the vacuum-pumping pipeline system of left compartment and be arranged in left compartment；Auxiliary heat pipe be connected to by condenser, throttle valve and the evaporator and compression mechanism into refrigeration system in, be placed between compressor and condenser；The evaporator uses the spiral horizontal fin formula finned tube of electromagnetism enhanced heat exchange;The utility model is simple in structure, environmental protection and energy saving, by integrating the dehumidifying of sorbing material and regeneration function in dehumidification device, realizes heat exchanger uninterrupted Effec-tive Function under frostless effect.
Description
Technical field
The utility model is related to a kind of heat exchanger, especially a kind of integral multifunctional Free-frost heat exchanger and its finned tube.
Background technology
Currently, heat exchanger is a kind of with the equipment for its main process or purpose of conducting heat, in dynamic power machine, metallurgy, HVAC
Application in the fields such as air-conditioning and petrochemical industry is extremely widespread, wherein being most widely used with finned tube exchanger, in chemical industry
More than 90% cooling load is undertaken by the heat exchanger of the form in industry.
When evaporator is in refrigeration systems in application, since refrigerant temperature is low, ambient temperature and humidity is higher, then evaporator
Surface easily condenses, and when the reduction of evaporator surface constant temperature, then heat exchanger tube and fin can be caused to form frost, the phenomenon
It is relatively conventional in Food Freezing and Cold Storage and field of air conditioning.Either moisture condensation or frosting will all reduce the heat-exchange performance of evaporator
Can, frost layer not only increases heat exchanged thermoresistance, and condensation phase change latent heat can consume a large amount of cold, increases the energy consumption of system, because
Frostless heat transfer technology is of great significance under this defrosting in time or exploitation worst cold case.
Now more mature Defrost technology has：Electric heated defrosting, hot gas bypass defrosting, the hot fluorine defrosting of four-way commutation, heat
Water spray defrosts and mechanically defrosting etc..However, above-mentioned Defrost mode common drawback is can not to meet normal system in defrosting
Cold operation, also part Defrost method can discharge additional heat into cold, so as to influence the Temperature and Humidity Control of cold.With this
Meanwhile in field of air conditioning, humid air needs to first pass through dehumidification device before entering evaporator to realize reduction air-conditioning moisture condensation
May, however air conditioner dehumidification device general structure is complicated, bulky, and the sorbing material that dehumidifies is non-renewable or needs additionally
The limitations such as heat source.Therefore, a kind of Free-frost heat exchanger simple in structure, low energy consumption is developed, the moisture in humid air is avoided to evaporate
The frosting of device surface condensation could fundamentally solve the above problems.
Invention content
The purpose of this utility model seeks to provide a kind of integral multifunctional Free-frost heat exchanger and its finned tube, this to change
Hot device is simple in structure, low energy consumption, and the moisture effectively prevented in humid air condenses frosting in evaporator surface.
The concrete scheme of the utility model is：A kind of integral multifunctional Free-frost heat exchanger including babinet and is installed in case
Internal evaporator, air-cooler, babinet are equipped with into and out of air duct；It is characterized in that：The micropore being longitudinally arranged is equipped in the babinet
Babinet is separated into left and right compartment by partition board, microporosity separator, and the evaporator and air-cooler are installed in right compartment；The air inlet
Road connects the left compartment of babinet, and the dehumidification device that dehumidification treatments are carried out to the humid air being passed through in babinet is equipped in left compartment,
And it is equipped with the regneration of adsorbent material device for carrying out regeneration to sorbing material in dehumidification device；Regneration of adsorbent material fills
Put the vacuum-pumping pipeline system including connecting left compartment and be sequentially arranged in from left to right in left compartment dehumidification device and micropore every
Auxiliary heat pipe and Electric air valve between plate；The auxiliary heat pipe is connected to by condenser, throttle valve and the evaporator and compression
Mechanism into refrigeration system in, be placed between compressor and condenser；The evaporator uses the spiral of electromagnetism enhanced heat exchange
Horizontal fin formula finned tube.
Air inlet duct described in the utility model, dehumidification device and regneration of adsorbent material device are respectively provided with two sets；The babinet
Left compartment in be equipped with horizontal baffle, the left compartment in horizontal baffle the upper side and lower side, which corresponds to, to be installed a set of air inlet duct, removes
Wet device and regneration of adsorbent material device are all provided in the vacuum-pumping pipeline system of every set air inlet duct and regneration of adsorbent material device
Have control valve, by control valve realize dehumidification device on the upside of left compartment except wet construction and downside regneration of adsorbent material device again
Raw operation works at the same time, and with this alternate run.
Finned tube described in the utility model includes heat exchanger tube and the horizontal helical fin plunderred in heat exchange pipe outer wall；It is described to change
Heat pipe and helical fin are made of non-magnet material；The cross section structure triangular in shape of helical fin, and by the first fin
It is welded with the second fin along its spiral shape arragement direction；It is equipped with what is arranged along its spiral shape arragement direction in helical fin
Spiral winding, two lead ends of spiral winding are correspondingly connected with the adjustable regulated power supply of output current；In helical fin
Heat conductive silica gel is filled in the gap that chamber is formed with spiral winding.
Heat exchanger tube described in the utility model uses circular copper pipe；First fin and the second fin use aluminium material
Material is made；The spiral winding uses enameled wire loop.
A kind of spiral horizontal fin formula finned tube using electromagnetism enhanced heat exchange including heat exchanger tube and horizontal is plunderred in heat exchanger tube
Helical fin on outer wall, it is characterized in that：The heat exchanger tube and helical fin are made of non-magnet material；Helical fin
Cross section structure triangular in shape, and be welded by the first fin and the second fin along its spiral shape arragement direction；In spiral wing
The spiral winding arranged along its spiral shape arragement direction is equipped in piece, two lead ends of spiral winding are correspondingly connected with output current
Adjustable regulated power supply；Heat conductive silica gel is filled in the gap formed in the inner cavity of helical fin and spiral winding.
Heat exchanger tube described in the utility model uses circular copper pipe；First fin and the second fin use aluminium material
Material is made；The spiral winding uses enameled wire loop.
The current type that regulated power supply described in the utility model is exported to spiral winding is constant current, alternating current or
Pulse current.
The beneficial effects of the utility model are as follows：
(1) the utility model is simple in structure, ingenious in design, by the dehumidifying and regeneration of integrating sorbing material in dehumidification device
Function realizes heat exchanger uninterrupted Effec-tive Function under frostless effect；
(2) in the utility model regneration of adsorbent material device in dehumidification device sorbing material carry out regeneration when,
The exhaust heat of compressor is efficiently utilized, effectively increases the refrigeration performance of energy utilization rate and system；
(3) finned tube is based on electromagnetism enhanced heat exchange theory in the utility model, in actual production, by adjusting voltage stabilizing electricity
Source exports different types of electric current to spiral winding, realizes different fluid horizontal fin heat exchanger under various heat exchange pattern and reaches
Best electromagnetism enhanced heat exchange technique, available for the uniform defrosting of heat exchanger, can effectively improve defrosting efficiency, play energy-efficient effect
Fruit；
(4) magnetic field for the suitable intensity that the utility model is generated by finned tube is additionally operable to realize sterilization, so as to effectively press down
The formation of biological dirt on heat exchanger is made.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the mounting structure schematic diagram of auxiliary heat pipe in refrigeration systems in the utility model；
Fig. 3 is that the utility model is carried out on the upside of horizontal baffle except wet construction, and horizontal baffle downside carries out regeneration operation
Operating diagram；
Fig. 4 is that the utility model is carried out on the downside of horizontal baffle except wet construction, and horizontal baffle upside carries out regeneration operation
Operating diagram；
Fig. 5 is the structure diagram of finned tube in the utility model；
Fig. 6 is the cross-sectional view of finned tube in the utility model.
In figure：1-babinet, 2-evaporator, 3-air-cooler, 4-air inlet duct, the air inlet ducts of 4a-first, 4b-the second into
Air duct, 5-exhaust passage, 6-microporosity separator, 7-left compartment, 8-right compartment, 9-horizontal baffle, the 10-the first control valve,
11-the second control valve, the 12-the first dehumidifying adsorbent, the 13-the second dehumidifying adsorbent, the 14-the first auxiliary heat pipe, 15-the second
Auxiliary heat pipe, the 16-the first Electric air valve, the 17-the second Electric air valve, the 18-the first vacuum-pumping pipeline, the 19-the second vacuum-pumping tube
Road, 20-third control valve, the 21-the four control valve, 22-vacuum pump, 23-condenser, 24-throttle valve, 25-compressor,
26-the five control valve, the 27-the six control valve, 28-heat exchanger tube, 29-helical fin, the fins of 29a-first, 29b-the second
Fin, 30-spiral winding, 31-regulated power supply, 32-heat conductive silica gel.
Specific embodiment
Embodiment 1
Referring to Fig. 1, a kind of integral multifunctional Free-frost heat exchanger, including babinet 1 and be installed in babinet 1 evaporator 2,
Air-cooler 3, babinet 1 are equipped with air inlet duct 4, exhaust passage 5；Be equipped with the microporosity separator 6 being longitudinally arranged in the babinet 1, micropore every
Babinet 1 is separated into left compartment 7, right compartment 8 by plate 6, and the evaporator 2 and air-cooler 3 are installed in right compartment 8；Babinet as a result,
1 left compartment 7 has achieved the effect that plenum chamber, and under the suction function of air-cooler 3,6 left and right sides of microporosity separator forms pressure difference,
Gas in left compartment 7 can enter in right compartment 8, and come into full contact with evaporator 2 uniformly across microporosity separator 6, then
It is discharged under the action of air-cooler 3 from exhaust passage 5, it is achieved thereby that the effect of optimization heat exchange.
The air inlet duct 4 connects the left compartment 7 of babinet, is equipped in left compartment 7 and the humid air being passed through in babinet 1 is carried out
The dehumidification device of dehumidification treatments, and it is equipped with the regneration of adsorbent material for carrying out regeneration to sorbing material in dehumidification device
Device；The air inlet duct 4, dehumidification device and regneration of adsorbent material device are respectively provided with two sets；It is equipped in the left compartment 7 of babinet 1
Horizontal baffle 9, the left compartment 7 in 9 the upper side and lower side of horizontal baffle, which corresponds to, installs a set of air inlet duct 4, dehumidification device and suction
Enclosure material regenerating unit；Regneration of adsorbent material device includes connecting the vacuum-pumping pipeline system of left compartment 7 and from left to right successively
The auxiliary heat pipe and Electric air valve being arranged in left compartment 7 between dehumidification device and microporosity separator 6.In every set air inlet duct 4 and absorption
Control valve is equipped in the vacuum-pumping pipeline system of material regeneration device, left 7 upside dehumidification device of compartment is realized by control valve
Work at the same time, and with this alternate run except the regeneration operation of wet construction and downside regneration of adsorbent material device.It should be understood that
It is that, when air inlet duct 4, dehumidification device and regneration of adsorbent material device only set a set of, dehumidification device removes wet construction and absorption
Material regeneration device cannot be carried out at the same time the regeneration operation of dehumidification device, can only carry out alternately operating, this alternately operating
Mode, although decreasing for two sets of dehumidification devices and the dehumidification efficiency of regneration of adsorbent material device operation simultaneously,
But also ensure that heat exchanger uninterrupted Effec-tive Function under frostless effect.
As shown in Figure 1, two sets of air inlet ducts 4 are respectively labeled as the first air inlet duct 4a and the second air inlet duct 4b, in the first air inlet
First control valve 10 on road 4a is housed, the second control valve 11 is housed on the second air inlet duct 4b；Two sets of dehumidification devices are respectively adopted and set
Put the first dehumidifying dehumidifying adsorbent 13 of adsorbent 12 and second in horizontal baffle both sides about 9；Two sets of regneration of adsorbent material dresses
Put the first auxiliary heat pipe 14, the first Electric air valve 16 including being arranged on the upside of horizontal baffle 9, with 9 upside of horizontal baffle it is left every
Between 7 the first vacuum-pumping pipelines 18 being connected, be arranged on the second auxiliary heat pipe 15, the second Electric air valve 17 of the downside of horizontal baffle 9,
And the second vacuum-pumping pipeline 19 being connected with the left compartment 7 of the downside of horizontal baffle 9, wherein in the first vacuum-pumping pipeline 18 and the
Corresponding equipped with 20 and the 4th control valve 21 of third control valve in two vacuum-pumping pipelines 19, the first vacuum-pumping pipeline 18 and second is taken out very
The output terminal on blank pipe road 19 is connected, and vacuum pump 22 is configured on pipeline.
Referring to Fig. 2, the first auxiliary 14 and second auxiliary heat pipe 15 of heat pipe is connected in parallel to by condenser 23,24 and of throttle valve
In the refrigeration system that the evaporator 2 and compressor 25 are formed；The import of the first auxiliary 14 and second auxiliary heat pipe 15 of heat pipe
It is all connected with the exhaust outlet of compressor 25, the import of the outlet connection condenser 23 of the first auxiliary 14 and second auxiliary heat pipe 15 of heat pipe；
It is corresponding equipped with the 5th control on the exhaust outlet of compressor 25 to the pipeline of the input end of the first auxiliary 14 and second auxiliary heat pipe 15 of heat pipe
26 and the 6th control valve 27 of valve；First control valve 10, the second control valve 11, third control valve 20, the 4th control valve 21,
Five control valves 26 and the 6th control valve 27 are using solenoid valve, and the 5th control valve 26 and the 6th control valve 27 can also use threeway
Valve replaces.
The evaporator 2 uses the spiral horizontal fin formula finned tube of electromagnetism enhanced heat exchange.
The operation principle of the utility model is as follows：
Referring to Fig. 3, carried out the figure shows heat exchanger in 9 upside of horizontal baffle except wet construction, while in 9 downside of horizontal baffle
Carry out regeneration operation.In this mode, the first control valve 10 and the 4th control valve 21 are opened；Second control valve 11 and third control
Valve 20 is closed；First Electric air valve 16 is opened, and the second Electric air valve 17 is closed；Under the action of air-cooler 3, cold humid air by
First air inlet duct 4a enters heat exchanger, the then fast decline of humid air water capacity after the first dehumidifying adsorbent 12, and ensure it
Without dew condensation phenomenon when by cryogenic vaporizer 2.First Electric air valve 16 of the dry air Jing Guo opening after dehumidifying
Guide functions enter plenum chamber.At this point, the 5th control valve 26 on the first auxiliary 14 place pipeline of heat pipe is closed, the second auxiliary heat pipe 15
The 6th control valve 27 on the pipeline of place is opened, and high temperature refrigerant flows through the second auxiliary heat pipe 15；Then optimize gas in microporosity separator 6
Microporosity separator 6 is flowed uniformly across under stream function of organization and comes into full contact with heat exchange with the evaporator 2 in right compartment 8, it is cold after heat exchange
Air finally enters cold under the effect of air-cooler 3.
At the same time, it is synchronous with dehumidifying carry out be heat exchanger second dehumidify adsorbent 13 regenerative process.At this time second
Dehumidifying adsorbent 13 be in saturation state, since high temperature refrigerant flows through the second auxiliary heat pipe 15 release heat, closes the at this time
Two Electric air valves 17, so that hot gas is avoided to scatter and disappear, then the moisture in the second dehumidifying adsorbent 13 is brought rapidly up.Open vacuum pump
22, then since space pressure reduces rapidly, high-temperature water split pole easily vaporizes, under the action of vacuum pump 22, the vapor quilt of high temperature
Heat exchanger is discharged to cold outside.Moisture vaporization needs to absorb heat, therefore the second auxiliary heat pipe 15 can be cooled, so as to improve
The performance of refrigeration system.
Referring to Fig. 4, carried out the figure shows heat exchanger in 9 downside of horizontal baffle except wet construction, while in 9 upside of horizontal baffle
Carry out regeneration operation.After the second dehumidifying adsorbent 13 regenerates, to improve the dehumidifying effect of heat exchanger, the first control valve should be closed
10 and the 4th control valve 21；Open the second control valve 11 and third control valve 20；Simultaneously close off the second auxiliary 15 place pipeline of heat pipe
On the 6th control valve 27, open the first auxiliary 14 place pipeline of heat pipe on the 5th control valve 26, at this time high temperature refrigerant enter
First auxiliary heat pipe 14；In addition, also to open the second Electric air valve 17, the first Electric air valve 16 is closed.At this point, cold humid air can
Heat exchanger is entered by the second air inlet duct 4b, the then fast decline of humid air water capacity after the second dehumidifying adsorbent 13, and ensuring
It is when by heat exchanger 2 without dew condensation phenomenon.Second Electric air valve 17 of the dry air Jing Guo opening after dehumidifying is led
Stream effect enter plenum chamber, under 6 optimization airflow function of organization of microporosity separator, flow uniformly across microporosity separator 6 and with evaporator 2
Heat exchange is come into full contact with, the cold air after heat exchange finally enters cold under the effect of air-cooler 3.
At the same time, it is synchronous with dehumidifying carry out be in heat exchanger first dehumidifying adsorbent 12 regenerative process.Due to height
Warm refrigerant flows through the first auxiliary heat pipe 14 and discharges heat, then the moisture in the first dehumidifying adsorbent 12 is brought rapidly up.Open vacuum
Pump 22, then since space pressure reduces rapidly, the high-temperature water split pole easily vaporization in the first dehumidifying adsorbent 12 is discharged heat exchanger.
From the foregoing, it will be observed that dehumidifying and the regenerated switch mode of the adsorbent that dehumidifies in heat exchanger, it can be by controlling respective line
On control valve and two Electric air valves open and-shut mode come easily realize.Exchange-column shift needs about different mode pass through tool
The experiment of body determines, to ensure heat exchanger without moisture condensation, frost for criterion setting optimum switching time interval.
Embodiment 2
Referring to Fig. 5, Fig. 6, finned tube described in the present embodiment includes heat exchanger tube 28 and horizontal plunders on 28 outer wall of heat exchanger tube
Helical fin 29；The heat exchanger tube 28 and helical fin 29 are made of non-magnet material；The cross section of helical fin 29 is in
Triangular structure, and be welded by the first fin 29a and the second fin 29b along its spiral shape arragement direction；In helical fin
The spiral winding 30 arranged along its spiral shape arragement direction is equipped in 29, two lead ends of spiral winding 30 are correspondingly connected with output
The regulated power supply 31 of current adjustment section；Thermal conductive silicon is filled in the gap formed in the inner cavity of helical fin 29 and spiral winding 30
Glue 32, heat conductive silica gel 32 plays the role of spiral winding 30 heat conduction, sealing is fixed and insulation.
28 pipes that exchange heat described in the present embodiment use circular copper pipe；The first fin 29a and the second fin 29b are used
Aluminum material is made；The spiral winding 30 uses enameled wire loop.
The current type that regulated power supply 31 described in the present embodiment is exported to spiral winding 30 is constant current, alternating current
Or pulse current.As shown in fig. 6, according to the transmission direction of electric current in spiral winding 30, the helix current in spiral winding 30 can
Being generated in heat exchanger tube 28 can lead to its axial parallel magnetic induction line, the parameters such as magnetic density, frequency and the waveform in magnetic field
It crosses and changes the electric current of the output of regulated power supply 31 to adjust, to meet different magnetic field-intensification heat transfer technological requirements, if fluid is magnetic
It is better during fluid.
Finned tube is based on electromagnetism enhanced heat exchange theory as a result, in actual production, by adjusting regulated power supply 31 to spiral
Coil 30 exports different types of electric current, realizes different fluid horizontal fin heat exchanger under various heat exchange pattern and reaches best electricity
Magnetic strength heat-exchanging process available for the uniform defrosting of heat exchanger, can effectively improve defrosting efficiency, and play energy-efficient effect.
Claims (7)
1. a kind of integral multifunctional Free-frost heat exchanger, including babinet and the evaporator, the air-cooler that are installed in babinet, on babinet
Equipped with into and out of air duct；It is characterized in that：The microporosity separator being longitudinally arranged is equipped in the babinet, babinet is separated by microporosity separator
Left and right compartment installs the evaporator and air-cooler in right compartment；The left compartment of air inlet duct connection babinet, a left side every
Between in be equipped with the dehumidification device that dehumidification treatments are carried out to the humid air that is passed through in babinet, and be equipped with for dehumidification device interior suction
Enclosure material carries out the regneration of adsorbent material device of regeneration；Regneration of adsorbent material device includes the vacuum-pumping tube for connecting left compartment
Road system and the auxiliary heat pipe and Electric air valve being sequentially arranged in from left to right in left compartment between dehumidification device and microporosity separator；Institute
State auxiliary heat pipe be connected to by condenser, throttle valve and the evaporator and compression mechanism into refrigeration system in, be placed in pressing
Between contracting machine and condenser；The evaporator uses the spiral horizontal fin formula finned tube of electromagnetism enhanced heat exchange.
2. a kind of integral multifunctional Free-frost heat exchanger according to claim 1, it is characterized in that：The air inlet duct, dehumidifying
Device and regneration of adsorbent material device are respectively provided with two sets；Horizontal baffle is equipped in the left compartment of the babinet, on horizontal baffle
The left compartment of side and downside, which corresponds to, installs a set of air inlet duct, dehumidification device and regneration of adsorbent material device, in every set air inlet
Control valve is equipped in the vacuum-pumping pipeline system of road and regneration of adsorbent material device, is realized by control valve and is removed on the upside of left compartment
Wet device is worked at the same time, and with this alternate run except the regeneration operation of wet construction and downside regneration of adsorbent material device.
3. a kind of integral multifunctional Free-frost heat exchanger according to claim 1, it is characterized in that：The finned tube includes changing
Heat pipe and the horizontal helical fin plunderred in heat exchange pipe outer wall；The heat exchanger tube and helical fin are made of non-magnet material；
The cross section structure triangular in shape of helical fin, and be welded along its spiral shape arragement direction by the first fin and the second fin and
Into；The spiral winding arranged along its spiral shape arragement direction is equipped in helical fin, two lead ends of spiral winding correspond to
Connect the adjustable regulated power supply of output current；Heat conduction is filled in the gap formed in the inner cavity of helical fin and spiral winding
Silica gel.
4. a kind of integral multifunctional Free-frost heat exchanger according to claim 3, it is characterized in that：The heat exchanger tube is using circle
Shape copper pipe；First fin and the second fin are made of aluminum material；The spiral winding uses enameled wire loop.
5. a kind of spiral horizontal fin formula finned tube using electromagnetism enhanced heat exchange, including heat exchanger tube and horizontal plunder outside heat exchanger tube
Helical fin on wall, it is characterized in that：The heat exchanger tube and helical fin are made of non-magnet material；The horizontal stroke of helical fin
Section structure triangular in shape, and be welded by the first fin and the second fin along its spiral shape arragement direction；In helical fin
In be equipped with the spiral winding arranged along its spiral shape arragement direction, two lead ends of spiral winding are correspondingly connected with output current can
The regulated power supply of adjusting；Heat conductive silica gel is filled in the gap formed in the inner cavity of helical fin and spiral winding.
6. a kind of spiral horizontal fin formula finned tube using electromagnetism enhanced heat exchange according to claim 5, feature
It is：The heat exchanger tube uses circular copper pipe；First fin and the second fin are made of aluminum material；The helix
Circle is using enameled wire loop.
7. a kind of spiral horizontal fin formula finned tube using electromagnetism enhanced heat exchange according to claim 5 or 6, special
Sign is：The current type that the regulated power supply is exported to spiral winding is constant current, alternating current or pulse current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721401712.XU CN207540038U (en) | 2017-10-27 | 2017-10-27 | A kind of integral multifunctional Free-frost heat exchanger and its finned tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721401712.XU CN207540038U (en) | 2017-10-27 | 2017-10-27 | A kind of integral multifunctional Free-frost heat exchanger and its finned tube |
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|---|---|
| CN207540038U true CN207540038U (en) | 2018-06-26 |
Family
ID=62611223
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721401712.XU Expired - Fee Related CN207540038U (en) | 2017-10-27 | 2017-10-27 | A kind of integral multifunctional Free-frost heat exchanger and its finned tube |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606719A (en) * | 2017-10-27 | 2018-01-19 | 润壤科技（黄石）有限公司 | A kind of integral multifunctional Free-frost heat exchanger |
| CN108826756A (en) * | 2018-07-02 | 2018-11-16 | 天津商业大学 | Nest plate tubular type evaporation structure |
-
2017
- 2017-10-27 CN CN201721401712.XU patent/CN207540038U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606719A (en) * | 2017-10-27 | 2018-01-19 | 润壤科技（黄石）有限公司 | A kind of integral multifunctional Free-frost heat exchanger |
| CN107606719B (en) * | 2017-10-27 | 2022-12-20 | 润壤科技（黄石）有限公司 | Integrated multifunctional frostless heat exchanger |
| CN108826756A (en) * | 2018-07-02 | 2018-11-16 | 天津商业大学 | Nest plate tubular type evaporation structure |
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Granted publication date: 20180626 Termination date: 20211027 |
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| CF01 | Termination of patent right due to non-payment of annual fee |