CN206709474U - High efficiency refrigeratig freezer - Google Patents
High efficiency refrigeratig freezer Download PDFInfo
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- CN206709474U CN206709474U CN201720526604.9U CN201720526604U CN206709474U CN 206709474 U CN206709474 U CN 206709474U CN 201720526604 U CN201720526604 U CN 201720526604U CN 206709474 U CN206709474 U CN 206709474U
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- capillary channel
- heat exchange
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
High efficiency refrigeratig freezer, the sidepiece installation fluid-type heat exchanger plates of the capillary, the fluid-type heat exchanger plates include heat exchange metallic plate, the inside of heat exchange metallic plate opens up the first horizontal capillary channel, first longitudinal direction capillary channel, main capillary channel, second longitudinal direction capillary channel and the second horizontal capillary channel, the utility model increases the internal heat exchange metallic plate containing saturated aqueous common salt on the capillary, capillary is set quickly to be realized heat exchange with refrigerator inside by the metallic plate that exchanges heat during freon refrigeration, so as to improve the heat exchange efficiency of freon, the energy has been saved.Saturated aqueous common salt is fluid, while has higher specific heat capacity, so as to which the local low temperature of heat exchange metallic plate is quickly transmitted into whole heat exchange metallic plate by the flowing of itself, so as to further increase the heat exchange efficiency of freon, has saved the energy.
Description
Technical field
It the utility model is related to a kind of household electrical appliance, more particularly to a kind of high efficiency refrigeratig freezer.
Background technology
Refrigerator is one of conventional household electrical appliance of daily life, is mainly used to refrigerate food or fresh-keeping, to prolong
The edible cycle of long food.Existing refrigerator generally realizes heat exchange using copper pipe, because the thermal conductivity factor of copper pipe is limited, causes
A large amount of freon can not the effective heat radiator at capillary, cause substantial amounts of energy waste.
It is that the ice-out in refrigerator realizes deicing that traditional deicing mode directly heats metallic plate using heater mostly,
But metal heat-conducting is limited, often there is the phenomenon of hot-spot, can neither deicing well, can damage refrigerator again.
Existing Structure of refrigerator door typically realizes that refrigerator is closed by the way of magnetic adds rubber blanket, but due to rubber blanket meeting
There is deformation, uneven surface, gap occurs with refrigerator part in actual rubber blanket.
Chinese patent (Authorization Notice No. CN104197612B) discloses " a kind of high efficiency and heat radiation component of semiconductor freezer ",
Including radiating fin, installation panel, heat-radiating substrate, blower fan and some phase transformation heat pipes, the phase transformation heat pipe is " L " type bend pipe,
Both ends are sealed after phase transformation heat pipe internal-filling liquid, and radiating fin is fixedly connected by welding manner with phase transformation heat pipe, radiating fin and phase
Become the flange for being provided with the soldering opening of heat pipe and being close to phase transformation heat pipe, flange, the radiating also are provided with left and right sides of radiating fin
Fin is aluminum plate, and heat-radiating substrate is pure Cu substrate, and heat-radiating substrate is welded using slicker solder and phase transformation heat pipe.With existing radiating subassembly
Compare, the utility model innovatively uses " L " special-shaped heat pipe in semiconductor freezer, and the configuration can ensure that heat pipe exists
Horizontally or vertically can normal work under state.Employ composite heat pipe technology, by Optimal Structure Designing, improve heat pipe with
The layout of fin.The radiating subassembly be by increase on radiating tube radiating fin and phase-change material realize high efficiency and heat radiation this
Purpose, radiating fin is also to be radiated by the form of metal conduction, inefficient, although and phase-change material can store up
Can, but the radiating hindered to a certain extent.
Utility model content
The utility model provides a kind of high efficiency refrigeratig freezer, for solving the problems of the prior art.
In order to realize the purpose of this utility model, using following technical scheme：
High efficiency refrigeratig freezer, including refrigerator body, refrigerator body include refrigeration system, refrigerator doors and electric system, system
Cooling system includes capillary, the sidepiece installation fluid-type heat exchanger plates of the capillary, and the fluid-type heat exchanger plates include heat exchange gold
Belong to plate, the inside for the metallic plate that exchanges heat opens up the first horizontal capillary channel, first longitudinal direction capillary channel, main capillary channel, second longitudinal direction capillary
Groove and the second horizontal capillary channel, main capillary channel are two, and two main capillary channels are parallel to each other, and number is set between two main capillary channels
Group radiating tank systems, the radiating tank systems include first longitudinal direction capillary channel and second longitudinal direction capillary channel, first longitudinal direction capillary channel
Connected respectively with two main capillary channels with the both ends of second longitudinal direction capillary channel, the sidepiece of first longitudinal direction capillary channel sets several line up
The first several rows of horizontal capillary channel, the inside of the first horizontal capillary channel connect with the inside of first longitudinal direction capillary channel, and second is vertical
Second horizontal capillary channel of several rows of being arranged in a row, the inside of the second horizontal capillary channel and second longitudinal direction are set to capillary channel sidepiece
The inside connection of capillary channel, each second horizontal capillary channel is between two horizontal capillary channels of adjacent first, and first laterally
Filling saturated common salt in capillary channel, first longitudinal direction capillary channel, main capillary channel, second longitudinal direction capillary channel and the second horizontal capillary channel
Water.
In order to further realize the purpose of this utility model, following technical scheme can also be used：
High efficiency refrigeratig freezer as described above, uniformly heating removes slab for the inwall installation of the refrigerator body, described even
Heating includes heat-conducting plate except slab, opens up main liquid tank, capillary channel and heat exchange groove inside heat-conducting plate, and main liquid tank is two, and two
Individual main liquid tank is parallel to each other, and capillary channel is several, and several capillary channels are respectively positioned between two main liquid tanks, the both ends of capillary channel
Being connected respectively with two main liquid tanks, two main liquid tanks connect with heat exchange groove, heat exchange groove inside installation controlling temp type heater,
Pump and heat exchanger plates, the water inlet of pump connect with the inside for the groove that exchanges heat, and the delivery port of pump connects with one of them main liquid tank, main liquid
Filling saturated aqueous common salt inside body groove, capillary channel and heat exchange groove.
High efficiency refrigeratig freezer as described above, the sidepiece mounting knobs of the refrigerator doors, cylinder, controller and electronic is pushed away
Bar, installs first switch on handle, and cylinder is the tubular shell of an end closure, and installation piston in cylinder, piston can be in cylinder
Slide, the output axis connection piston of electric pushrod, electric pushrod can promote piston to be slided in cylinder, the sealing end installation of cylinder
Breather pipe, one end of breather pipe connect with cylinder, and the sidepiece of refrigerator body opens up annular groove, and annular gas is installed in the side of refrigerator doors
Capsule and second switch, second switch, annular air-pocket and annular groove are respectively positioned between refrigerator body and refrigerator doors, and annular air-pocket can be inserted
Enter to inside annular groove, the other end of breather pipe communicates with the inside of annular air-pocket, and the output end of controller is electronic by connecting
Push rod, the input connection first switch and second switch of controller.
High efficiency refrigeratig freezer as described above, by being welded to connect between the heat exchange metallic plate and capillary.
High efficiency refrigeratig freezer as described above, the first horizontal capillary channel, first longitudinal direction capillary channel, main capillary channel,
Second longitudinal direction capillary channel and the second horizontal capillary channel are circular poroid groove.
High efficiency refrigeratig freezer as described above, the heat exchange metallic plate is rectangle tabular structure.
The utility model has the advantages that：
1st, the utility model increases the internal heat exchange metallic plate containing saturated aqueous common salt on the capillary, makes capillary by fluorine
Leon quickly can realize heat exchange by the metallic plate that exchanges heat when freezing with refrigerator inside, so as to improve the heat exchange of freon effect
Rate, the energy is saved.
2nd, saturated aqueous common salt is fluid, while has higher specific heat capacity, so as to be exchanged heat by the flowing of itself
The local low temperature of metallic plate is quickly transmitted to whole heat exchange metallic plate, so as to further increase the heat exchange efficiency of freon, section
The about energy.Saturated aqueous common salt will not freeze at subzero more than 20 degree, therefore can be flowed under the conditions of refrigerator freezing.
3rd, each second horizontal capillary channel can fully improve capillary between two horizontal capillary channels of adjacent first
The cooperation area of groove and heat exchange metallic plate, accelerate saturated aqueous common salt to heat exchange metallic plate heat transfer.
4th, the utility model also has the advantages of simple for structure compact, manufacturing cost is cheap and easy to use.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is Fig. 1 I partial structural diagram；
Fig. 3 is Fig. 1 II partial structural diagram.
Reference：1- exchanges heat metallic plate, 2- refrigerator bodies, 3- capillaries, 4- refrigeration systems, 5- electric systems, 6- the
One horizontal capillary channel, 7- first longitudinal direction capillary channels, the main capillary channels of 8-, 9- second longitudinal direction capillary channels, the second horizontal capillary channels of 10-,
11- refrigerator doors, 12- handles, 13- first switches, 14- second switches, 15- annular grooves, 16- annular air-pockets, 17- breather pipes, 18-
Cylinder, 19- pistons, 20- controllers, 21- electric pushrods, the main liquid tanks of 22-, 23- capillary channels, 24- heat-conducting plates, 25- heat exchange grooves,
26- controlling temp type heaters, 27- heat exchanger plates, 28- pumps.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.
As shown in Figure 1, Figure 2, Figure 3 shows, present embodiment discloses a kind of high efficiency refrigeratig freezer, including refrigerator body 2, refrigerator
Body 2 includes refrigeration system 4, refrigerator doors 11 and electric system 5, and refrigeration system 4 includes capillary 3, the sidepiece installation of capillary 3
Fluid-type heat exchanger plates, fluid-type heat exchanger plates include heat exchange metallic plate 1, and the inside of heat exchange metallic plate 1 opens up the first horizontal capillary channel
6th, first longitudinal direction capillary channel 7, main capillary channel 8,9 and second horizontal capillary channel 10 of second longitudinal direction capillary channel, main capillary channel 8 are two
Individual, two main capillary channels 8 are parallel to each other, and set array to radiate tank systems between two main capillary channels 8, and radiating tank systems include the
The both ends of one longitudinal capillary channel 7 and second longitudinal direction capillary channel 9, first longitudinal direction capillary channel 7 and second longitudinal direction capillary channel 9 are respectively with two
Individual main capillary channel 8 connects, the first horizontal capillary channel 6 of the several rows of being arranged in a row of sidepiece setting of first longitudinal direction capillary channel 7, and first
The inside of horizontal capillary channel 6 connects with the inside of first longitudinal direction capillary channel 7, and the sidepiece of second longitudinal direction capillary channel 9 sets several line up
The second several rows of horizontal capillary channel 10, the inside of the second horizontal capillary channel 10 connect with the inside of second longitudinal direction capillary channel 9, often
Individual second horizontal capillary channel 10 is between the horizontal capillary channel 6 of two adjacent first, the first horizontal capillary channel 6, first longitudinal direction
Filling saturated aqueous common salt in capillary channel 7, main capillary channel 8,9 and second horizontal capillary channel 10 of second longitudinal direction capillary channel.
Specifically, the utility model is realized refrigerator refrigeration system and refrigerator storage space by simple ground structure
Quick heat exchange, avoid low temperature from being gathered on capillary 3, accelerate freon absorbed heat on capillary 3, so as to improve freon
Heat absorption efficiency on capillary 3, the efficiency of refrigerator is effectively increased, refrigerator is overall relatively to save more than 15% in the past.Fluid-type
Heat exchanger plates can speed up the heat exchange of capillary 3 and refrigerator storage space so as to avoid low temperature from being gathered on capillary 3.In capillary
Increase the internal heat exchange metallic plate 1 containing saturated aqueous common salt on pipe 3, pass through heat exchange when alloing capillary 3 by freon refrigeration
Metallic plate 1 quickly realizes heat exchange with refrigerator storage space, so as to improve the heat exchange efficiency of freon, has saved the energy.It is full
It is fluid with saline solution, while there is higher specific heat capacity, so as to by the flowing of itself that the metallic plate 1 of exchanging heat is local
Low temperature is quickly transmitted to whole heat exchange metallic plate 1, so as to further increase the heat exchange efficiency of freon, has saved the energy.It is full
It will not freeze, therefore can be flowed under the conditions of refrigerator freezing at subzero more than 20 degree with saline solution.Each second horizontal hair
Stria 10 can fully improve capillary channel and the cooperation for the metallic plate 1 that exchanges heat between the horizontal capillary channel 6 of two adjacent first
Area, saturated aqueous common salt is accelerated to be conducted heat to heat exchange metallic plate 1.Freon after refrigeration system 4 is compressed passes through the realization pair of capillary 3
The heat absorption of refrigerator inside.Controller 20 of the present utility model is PLC module or single-chip microcomputer.
As shown in Figure 2 and Figure 3, in the inwall installation of refrigerator body 2, uniformly heating removes slab, even heating deicing to the present embodiment
Plate includes heat-conducting plate 24, and main liquid tank 22, capillary channel 23 and heat exchange groove 25 are opened up inside heat-conducting plate 24, and main liquid tank 22 is two
Individual, two main liquid tanks 22 are parallel to each other, capillary channel 23 to be several, several capillary channels 23 be respectively positioned on two main liquid tanks 22 it
Between, the both ends of capillary channel 23 connect with two main liquid tanks 22 respectively, and two main liquid tanks 22 connect with heat exchange groove 25, and exchange heat groove
25 inside installation controlling temp type heaters 26, pump 28 and heat exchanger plates 27, the water inlet of pump 28 connect with the inside for the groove 25 that exchanges heat, pump
28 delivery port connects with one of them main liquid tank 22, main liquid tank 22, capillary channel 23 and the inside filling saturation of heat exchange groove 25
Saline solution.
As shown in Figure 2 and Figure 3, the present embodiment is realized in deicing except slab uniformly heats up by simple ground structure, can
The ice for making to be attached to refrigerator inwall integrally removes down, and and can avoids the phenomenon of hot-spot.Need deicing to make, while open temperature control
Formula heater 26 and pump 28, controlling temp type heater 26 make saturated aqueous common salt heat up, while pump 28 conveys saturated aqueous common salt
To main liquid tank 22 and capillary channel 23, heat is set to reach most of region of heat-conducting plate 24, so as to realize that heat-conducting plate 24 is equal
Heat up evenly, the ice that realizing makes to be attached to refrigerator inwall integrally removes down.
As shown in figure 3, the present embodiment is in the sidepiece mounting knob 12 of refrigerator doors 11, cylinder 18, controller 20 and electronic pushes away
Bar 21, installs first switch 13 on handle 12, and cylinder 18 is the tubular shell of an end closure, and installation piston 19 in cylinder 18 is living
Plug 19 can slide in cylinder 18, and the output axis connection piston 19 of electric pushrod 21, electric pushrod 21 can promote piston 19 in gas
Slided in cylinder 18, the sealing end installation breather pipe 17 of cylinder 18, one end of breather pipe 17 connects with cylinder 18, refrigerator body 2
Sidepiece opens up annular groove 15, the side installation annular air-pocket 16 and second switch 14 of refrigerator doors 11, second switch 14, annular air-pocket
16 and annular groove 15 be respectively positioned between refrigerator body 2 and refrigerator doors 11, annular air-pocket 16 can be inserted into inside annular groove 15, ventilation
The other end of pipe 17 communicates with the inside of annular air-pocket 16, and the output end of controller 20 is by connecting electric pushrod 21, controller
20 input connection first switch 13 and second switch 14.The utility model is expanded by simple ground structure by air bag
Form completely blocks the gap between refrigerator doors and refrigerator, so as to significantly improve the seal of refrigerator, effectively reduces ice
Case and extraneous heat exchange, save refrigerator and integrally consume energy more than 10%.When refrigerator doors are closed, first switch 13 is pressed, to
Controller 20 transmits electric signal, and controller 20 controls electric pushrod 21 to push up piston 19, gas is pressed into annular air-pocket
In 16, annular air-pocket 16 is produced expansion, so that annular air-pocket 16 tightly coordinates with annular groove 15, realize the tight of refrigerator doors
Sealing, it is that second switch 14 is pressed by handle when needing to open refrigerator, second switch 14 transmits electric signal to controller 20,
Controller 20 controls electric pushrod 21 to push down on piston 19, gas is discharged in annular air-pocket 16, produces annular air-pocket 16
It is raw to shrink, so that annular air-pocket 16 tightly departs from annular groove 15.
Further, capillary 3 and heat exchange metallic plate 1 are made by high-cooling property metal material in the present embodiment, described
The composition of high-cooling property metal material is (by weight percentage)：0.021% to 0.027% carbon；2.7% to 2.9%
Silicon；2.3% to 2.6% tantalum；0.26% to 0.35% manganese；≤ 0.10% boron；≤ 0.30% cobalt；0.05% to
0.10% bismuth；Surplus is copper.
Further, heat exchange can be improved by being welded to connect between the heat exchange metallic plate 1 and capillary 3 of the present embodiment
Heat transfer efficiency between metallic plate 1 and capillary 3.First horizontal capillary channel 6, first longitudinal direction capillary channel 7, main capillary channel 8, second
Longitudinal 9 and second horizontal capillary channel 10 of capillary channel is circular poroid groove.First horizontal capillary channel 6, first longitudinal direction capillary channel 7, master
Capillary channel 8,9 and second horizontal capillary channel 10 of second longitudinal direction capillary channel can sufficiently improve groove and heat exchange gold for circular poroid groove
Belong to the cooperation area of plate 1.Heat exchange metallic plate 1 is rectangle tabular structure.Heat exchange metallic plate 1 is that rectangle tabular structure can carry
The contact area of height heat exchange metallic plate 1 and capillary 3.
The technology contents of the not detailed description of the utility model are known technology.
Claims (6)
1. high efficiency refrigeratig freezer, including refrigerator body (2), refrigerator body (2) include refrigeration system (4), refrigerator doors (11) and
Electric system (5), refrigeration system (4) include capillary (3), it is characterised in that the sidepiece installation fluid-type of the capillary (3)
Heat exchanger plates, the fluid-type heat exchanger plates include heat exchange metallic plate (1), and the inside of heat exchange metallic plate (1) opens up the first horizontal capillary
Groove (6), first longitudinal direction capillary channel (7), main capillary channel (8), second longitudinal direction capillary channel (9) and the second horizontal capillary channel (10) are main
Capillary channel (8) is two, and two main capillary channels (8) are parallel to each other, and array radiating groove system is set between two main capillary channels (8)
System, the radiating tank systems include first longitudinal direction capillary channel (7) and second longitudinal direction capillary channel (9), first longitudinal direction capillary channel (7) and
The both ends of second longitudinal direction capillary channel (9) are connected with two main capillary channels (8) respectively, and the sidepiece of first longitudinal direction capillary channel (7) is set
First horizontal capillary channel (6) of several rows of being arranged in a row, inside and the first longitudinal direction capillary channel (7) of the first horizontal capillary channel (6)
Inside connection, second longitudinal direction capillary channel (9) sidepiece sets the second horizontal capillary channel (10) of the several rows of being arranged in a row, and second is horizontal
Connected to the inside of capillary channel (10) with the inside of second longitudinal direction capillary channel (9), each second horizontal capillary channel (10) is located at two
Between individual the first adjacent horizontal capillary channel (6), the first horizontal capillary channel (6), first longitudinal direction capillary channel (7), main capillary channel
(8), saturated aqueous common salt is filled in second longitudinal direction capillary channel (9) and the second horizontal capillary channel (10).
2. high efficiency refrigeratig freezer according to claim 1, it is characterised in that the inwall installation of the refrigerator body (2)
Uniformly heating remove slab, and the even heating includes heat-conducting plate (24) except slab, heat-conducting plate (24) is internal open up main liquid tank (22),
Capillary channel (23) and heat exchange groove (25), main liquid tank (22) are two, and two main liquid tanks (22) are parallel to each other, capillary channel (23)
To be several, several capillary channels (23) are respectively positioned between two main liquid tanks (22), the both ends of capillary channel (23) respectively with two masters
Liquid tank (22) connects, and two main liquid tanks (22) connect with heat exchange groove (25), installation controlling temp type heating inside heat exchange groove (25)
Device (26), pump (28) and heat exchanger plates (27), the water inlet of pump (28) connect with the inside of heat exchange groove (25), the water outlet of pump (28)
Mouth connects with one of them main liquid tank (22), filling saturation inside main liquid tank (22), capillary channel (23) and heat exchange groove (25)
Saline solution.
3. high efficiency refrigeratig freezer according to claim 1, it is characterised in that the sidepiece installing handle of the refrigerator doors (11)
Hand (12), cylinder (18), controller (20) and electric pushrod (21), first switch (13), cylinder (18) are installed on handle (12)
For the tubular shell of an end closure, the interior installation piston (19) of cylinder (18), piston (19) can slide in cylinder (18), electronic to push away
The output axis connection piston (19) of bar (21), electric pushrod (21) can promote piston (19) to be slided in cylinder (18), cylinder
(18) sealing end installation breather pipe (17), one end of breather pipe (17) are connected with cylinder (18), and the sidepiece of refrigerator body (2) is opened
If annular groove (15), the side installation annular air-pocket (16) and second switch (14) of refrigerator doors (11), second switch (14), annular
Air bag (16) and annular groove (15) are respectively positioned between refrigerator body (2) and refrigerator doors (11), and annular air-pocket (16) can be inserted into ring
Shape groove (15) is internal, and the other end of breather pipe (17) is communicated with the inside of annular air-pocket (16), and the output end of controller (20) is led to
Cross connection electric pushrod (21), the input connection first switch (13) and second switch (14) of controller (20).
4. high efficiency refrigeratig freezer according to claim 1, it is characterised in that the heat exchange metallic plate (1) and capillary
(3) by being welded to connect between.
5. high efficiency refrigeratig freezer according to claim 1, it is characterised in that the first horizontal capillary channel (6), first
Longitudinal capillary channel (7), main capillary channel (8), second longitudinal direction capillary channel (9) and the second horizontal capillary channel (10) are circular poroid groove.
6. high efficiency refrigeratig freezer according to claim 1, it is characterised in that the heat exchange metallic plate (1) is rectangle
Platy structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720526604.9U CN206709474U (en) | 2017-05-12 | 2017-05-12 | High efficiency refrigeratig freezer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720526604.9U CN206709474U (en) | 2017-05-12 | 2017-05-12 | High efficiency refrigeratig freezer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206709474U true CN206709474U (en) | 2017-12-05 |
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ID=60463416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720526604.9U Active CN206709474U (en) | 2017-05-12 | 2017-05-12 | High efficiency refrigeratig freezer |
Country Status (1)
| Country | Link |
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| CN (1) | CN206709474U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084569A (en) * | 2017-05-12 | 2017-08-22 | 威海职业学院 | High efficiency refrigeratig freezer |
| CN115342571A (en) * | 2022-06-30 | 2022-11-15 | 河北工程大学 | Temperature-adjustable ice temperature storage and heat preservation equipment |
-
2017
- 2017-05-12 CN CN201720526604.9U patent/CN206709474U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084569A (en) * | 2017-05-12 | 2017-08-22 | 威海职业学院 | High efficiency refrigeratig freezer |
| CN115342571A (en) * | 2022-06-30 | 2022-11-15 | 河北工程大学 | Temperature-adjustable ice temperature storage and heat preservation equipment |
| CN115342571B (en) * | 2022-06-30 | 2023-08-04 | 河北工程大学 | Temperature-adjustable ice temperature storage heat preservation equipment |
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