CN109405395A - A kind of portable absorption refrigerating box - Google Patents
A kind of portable absorption refrigerating box Download PDFInfo
- Publication number
- CN109405395A CN109405395A CN201811464044.4A CN201811464044A CN109405395A CN 109405395 A CN109405395 A CN 109405395A CN 201811464044 A CN201811464044 A CN 201811464044A CN 109405395 A CN109405395 A CN 109405395A
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- Prior art keywords
- voltage
- connect
- adsorbent bed
- fluid reservoir
- chip
- Prior art date
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 44
- 239000003463 adsorbent Substances 0.000 claims abstract description 68
- 239000012530 fluid Substances 0.000 claims abstract description 35
- 238000001179 sorption measurement Methods 0.000 claims abstract description 23
- 238000005057 refrigeration Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 230000000087 stabilizing effect Effects 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 229910001416 lithium ion Inorganic materials 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 4
- 210000004209 hair Anatomy 0.000 claims description 3
- 230000005622 photoelectricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000011161 development Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000003507 refrigerant Substances 0.000 description 9
- 229910001220 stainless steel Inorganic materials 0.000 description 8
- 239000010935 stainless steel Substances 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000000741 silica gel Substances 0.000 description 5
- 229910002027 silica gel Inorganic materials 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000003795 desorption Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 229920003023 plastic Polymers 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 210000000085 cashmere Anatomy 0.000 description 1
- -1 cashmere hair Substances 0.000 description 1
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- 150000001875 compounds Chemical class 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/003—Transport containers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B17/00—Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
- F25D19/003—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors with respect to movable containers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
Abstract
The invention discloses a kind of portable absorption refrigerating boxes, including cabinet, case lid, for providing the adsorption refrigerating device of cooling capacity for cabinet；Case lid is set to top of the box, and absorption refrigeration device is set in the side of cabinet；Adsorption refrigerating device includes adsorbent bed, radiator, fluid reservoir, evaporator and and the valve mechanism that connect for controlling adsorbent bed with evaporator；Adsorbent bed, radiator, fluid reservoir, evaporator are sequentially connected in series, and valve mechanism is set in fluid reservoir；The beneficial effects of the present invention are: adsorption refrigerating device of the invention drives in process of refrigerastion without extra power, by the way that valve mechanism is arranged, it only need to be by lower button when needing to freeze, can fast-refrigerating, driven without external power supply, can control refrigeration time started and temperature, this system structure is simple, performance is stable, small volume, later maintenance cost are low, it is particularly suitable for mobile refrigerating demand, new mode is provided for Refrigerated Transport, is conducive to the development of cold chain transportation.
Description
Technical field
The invention belongs to technical field of refrigerating devices, and in particular to a kind of portable absorption refrigerating box.
Background technique
It is reported that it is more than three trillion yuans that China, which needs the estimated total value in the product market of cold chain service, if cold chain cost is pressed
Most conservative 5% calculates, and cold chain market scale is more than 150,000,000,000 yuan, shows that the huge cold chain market demand in China and development are empty
Between；In addition, the supply of international cold chain food is also increasing substantially.At the same time, mode of agriculture is to the factorial production
The transformation of mode, the characteristics of also making cold chain product stream industry have both industrial goods logistics, such as scale, globalization, customization,
It is required that it improves promotion in technology, equipment, operation mode.
Currently, existing small portable refrigerating box generallys use following three kinds of technologies；
Technology of Compressor Refrigeration: Technology of Compressor Refrigeration is widely used in stationary applications formula refrigeration, due to the resistance to punching of compressor
Hit with anti-vibration, it is anti-inclination etc. abilities it is poor, use can not be run on the move for a long time, while it needs power drives, generally
It is mounted on special cold storage truck, volume is larger, and noise is higher, higher cost.
Semiconductor refrigerating technology: the energy efficiency of semiconductor refrigerating technology is excessively poor, and cooling effect is limited, has P-N junction special
Property, when so that refrigeration system power-off is in heat insulation transportation state, can reversely it conduct heat.
Ice storage technology: Cool Storage Technology is unable to control cooling activation etc. and lacks there are temperature control difficulty, consumables at present
Point, recycling property are poor.
The deficiency of these existing cold chain technologies promotes the innovation of cold chain transportation technology, so as to emerging low-temperature transport and matching
Send the research and development of equipment extremely urgent.
Generally based on refrigerator car, passive refrigerating box takes second place the dispatching tool of Cold Chain Logistics at present.But refrigerator car exists
At high cost, the disadvantages of quantity is few, municipal transport road is restricted driving, that there is the temperature inside the box is relatively low for passive refrigerating box, and effectively storage is empty
Between smaller, the problems such as mean thawing time is partially short, to limit the development of cold chain transportation, and can not achieve with opening with refrigeration.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies of existing technologies, a kind of portable absorption refrigerating box is provided, is solved existing
The technical issues of cannot freezing at any time as needed present in technology.
A kind of portable absorption refrigerating box is filled including cabinet, case lid, the absorption type refrigerating for providing cooling capacity for cabinet
It sets；The case lid is set to the top of the box, and the absorption refrigeration device is set in the side of the cabinet；The absorption
Formula refrigerating plant includes adsorbent bed, radiator, fluid reservoir, evaporator and connect for controlling the adsorbent bed with the evaporator
Valve mechanism；The adsorbent bed, the radiator, the fluid reservoir, the evaporator are sequentially connected in series, the valve machine
Structure is set in the fluid reservoir.More preferably, the valve mechanism includes manually-operated gate component and electrically operated valve component, the hand
Movable valve component is set to the junction of the radiator Yu the fluid reservoir；The electrically operated valve component is set to the liquid storage
The junction of tank and the evaporator.
More preferably, the manually-operated gate component includes manually-operated gate, metal tape and operating stick, and the manually-operated gate is located at institute
The interface of radiator Yu the fluid reservoir is stated, and is fixed on the fluid reservoir by the metal tape, the operating stick
First end connects the manually-operated gate, and second end is higher than the top of the radiator；Described in the first end of the operating stick jacks up
The opening and closing of metal tape realization manually-operated gate.
More preferably, the electrically operated valve component includes electrically operated valve, cam, motor, idler wheel, mandril and transmission gear；Institute
It states electrically operated valve and is set to the exit that the fluid reservoir is connect with the evaporator, the mandril is set to the electrically operated valve
Bottom, the mandril and the idler wheel axis connection, the idler wheel and the circumscribed connection of the cam, the transmission gear respectively with
The cam, the circumscribed connection of the motor.
It more preferably, further include generating suppling device for powering for the electrically operated valve component, the power generation is for Denso
It installs and is placed on the side of the adsorbent bed, and be located at the bottom of the radiator.
More preferably, the generating suppling device include: thermo-electric generation chip, voltage-stablizer, ups power, li-ion cell protection device,
Battery, single-chip microcontroller and low-voltage protection circuit；
The thermo-electric generation chip is used to the thermal energy of the generation of the adsorbent bed being converted to electric energy, the thermo-electric generation core
Piece is in parallel with the series arm of first resistor and second resistance, and the first end of the thermo-electric generation chip passes through low-voltage protection circuit
It is connected to the input terminal of the voltage-stablizer, the second end ground connection of the thermo-electric generation chip；
The output end of the voltage-stablizer is connect with the input terminal of the ups power；
The charging end of the ups power is connect with the input terminal of the li-ion cell protection device, output end respectively with the electricity
The anode of movable valve is connected with voltage stabilizing chip, and ground terminal is connect by NMOS tube with the cathode of the electrically operated valve；
The output end of the li-ion cell protection device is connect with the anode of the battery；
The single-chip microcontroller receives the first voltage information and second voltage information that the thermo-electric generation chip provides, and to institute
The grid output high level for stating NMOS tube, so that the ups power or the battery are powered to the electrically operated valve；Wherein, institute
It states first voltage information and is used to indicate voltage value when adsorbent bed is adsorbed state, the second voltage information is used to indicate absorption
Voltage value when bed is detachment status, the first voltage information are less than second voltage information；
The single-chip microcontroller is used to receive the low-voltage variation voltage value that the thermo-electric generation chip provides and to low-voltage variation electricity
Road exports open command, so that the thermo-electric generation chip and the voltage-stablizer disconnect；Wherein, the low-voltage protection circuit includes
Photoelectrical coupler, triode, zener diode and relay；The first end of the photoelectrical coupler input side passes through 3rd resistor
It being connect with the voltage stabilizing chip, second end is connect with the single-chip microcontroller, and the first end of outlet side is connect with the voltage stabilizing chip, the
Two ends are connect by the 4th resistance with the base stage of the triode；The emitter of the triode is grounded, and the base stage and institute
It states and is connected with the 5th resistance between emitter, collector is connect with the anode of the zener diode；The zener diode
Cathode is connect with the voltage stabilizing chip, the coils from parallel connection of coils of the zener diode and the relay；The stationary contact of the relay
Head is connect with the input terminal of the voltage-stablizer, and normally closed interlock is connect with the first end of the thermo-electric generation chip.
More preferably, the adsorption refrigerating device further includes the first connecting line, and the fluid reservoir and the evaporator are logical
Cross the first connecting line connection.
It more preferably, further include thermal insulation board, the thermal insulation board is set between the evaporator and the adsorbent bed, and is passed through
First connecting line.
It more preferably, further include radiating groove, the radiating groove is set in the cabinet, and is located at and is equipped with the absorption type system
In the side of device for cooling.
It more preferably, further include heat release hole, the heat release hole is set in the cabinet, and is located at and is equipped with the absorption type system
The top of the side of device for cooling.
The beneficial effects of the present invention are:
Adsorption refrigerating device of the invention drives in process of refrigerastion without extra power, by the way that valve mechanism is arranged,
When needing to freeze only need to by lower button, can fast-refrigerating, driven without external power supply, can control refrigeration time started and temperature
Degree, this system structure is simple, performance is stable, small volume, later maintenance cost are low, is particularly suitable for mobile refrigerating demand,
A kind of new mode is provided for Refrigerated Transport, is conducive to the development of cold chain transportation.
Detailed description of the invention
Fig. 1 is the schematic diagram of the portable absorption refrigerating box of the present invention；
Fig. 2 is the perspective view of the explosion of the portable absorption refrigerating box of the present invention；
Fig. 3 is the adsorption refrigerating device schematic diagram of the portable absorption refrigerating box of the present invention；
Fig. 4 is the side view of the portable absorption refrigerating box Fig. 3 of the present invention；
Fig. 5 is the adsorption refrigerating device sectional view of the portable absorption refrigerating box of the present invention；
Fig. 6 is the adsorbent cabinet explosive view of the portable absorption refrigerating box of the present invention；
Fig. 7 is the fluid reservoir schematic diagram of the portable absorption refrigerating box of the present invention；
Fig. 8 is the schematic diagram of the electrically operated valve component of the portable absorption refrigerating box of the present invention；
Fig. 9 is the generating suppling device schematic diagram of the portable absorption refrigerating box of the present invention.
Wherein:
1- cabinet, 2- case lid, 3- adsorption refrigerating device, 31- adsorbent bed, 311- adsorbent bed inlet and outlet, 32- radiator,
33- fluid reservoir, 34- evaporator, 35- valve mechanism, 351- manually-operated gate component, 3511- manually-operated gate, 3512- metal tape,
3513- operating stick, 352- electrically operated valve component, 3521- electrically operated valve, 3522- cam, 3523- motor, 3524- idler wheel,
3525- mandril, 3526- transmission gear, the first connecting line of 36-, 4- generating suppling device, 41- thermo-electric generation chip, 42- are steady
Depressor, 43-UPS power supply, 44- li-ion cell protection device, 45- battery, 46- single-chip microcontroller, 47- voltage stabilizing chip, 48- low-voltage variation electricity
Road, 5- thermal insulation board, 6- radiating groove, 7- heat release hole, 8- coolant channel, 9- hand handle, 10- adsorbent cabinet, 101- surround shell,
102- support column, 103- support frame, 104- case top cover, 105- end cap.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
As shown in figures 1 to 6, the present invention provides a kind of portable absorption refrigerating box, including cabinet 1, case lid 2, for being cabinet
1 provides the adsorption refrigerating device 3 of cooling capacity；Case lid 2 is set to 1 top of cabinet, and absorption refrigeration setting 3 is in the side of cabinet 1；
Adsorption refrigerating device 3 include adsorbent bed 31, radiator 32, fluid reservoir 33, evaporator 34 and and for control adsorbent bed 31 with
The valve mechanism 35 that evaporator 34 connects；Adsorbent bed 31, radiator 32, fluid reservoir 33, evaporator 34 are sequentially connected in series, valve
Mechanism 35 is set in fluid reservoir 33.The advantages of this kind of structure is to be realized by valve mechanism with by freezing at any time, easy to operate,
High reliablity.
As shown in Figure 7,8, valve mechanism 35 includes manually-operated gate component 351 and electrically operated valve component 352, manually-operated gate structure
Part 351 is set to the junction of radiator 32 Yu fluid reservoir 33；Electrically operated valve component 352 is set to fluid reservoir 33 and evaporator 34
Junction.
Manually-operated gate component 351 include manually-operated gate 3511, metal tape 3512 and operating stick 3513, manually-operated gate 3511
It is fixed on fluid reservoir 33 in the interface of radiator 32 and fluid reservoir 33, and by metal tape 3512, the of operating stick 3513
One end connects manually-operated gate 3511, and second end is higher than the top of radiator 32；The first end of operating stick 3513 jacks up metal tape
3512 realize the opening and closing of manually-operated gate 3511.
7 schematic diagram of internal structure of fluid reservoir as shown in Figure 7 is made in original state in the pressure of the metal tape 3512 of elasticity
Under, silica gel sealing ring is bonded with the inner wall precision of fluid reservoir 33, realizes the barrier of fluid reservoir 33 and outside pipeline, hand-operated valve
Door 3511 jacks up the unlatching that stress metal band realizes valve by using operating stick 3513, and electrically operated valve is by using electrically operated valve
Control device realizes the electric opening of valve body using the combination of motor and cam.Electrically operated valve component 352 includes electrically operated valve
3521, cam 3522, motor 3523, idler wheel 3524, mandril 3525 and transmission gear 3526；The electrically operated valve 3521 is set to
The exit that the fluid reservoir 33 is connect with the evaporator 34, the mandril 3525 are set to the bottom of the electrically operated valve 3521
Portion, the mandril 3525 and 3524 axis connection of idler wheel, the idler wheel 3524 and the circumscribed connection of the cam 3522, the change
Fast gear 3526 respectively with the cam 3522, the circumscribed connection of the motor 3523.
As shown in figure 9, portable absorption refrigerating box further includes power generation for powering for electrically operated valve component 352 for Denso
4 are set, generating suppling device 4 is set on the side of adsorbent bed 31, and is located at the bottom of radiator 32.
Wherein, which includes: thermo-electric generation chip 41, voltage-stablizer 42, ups power 43, li-ion cell protection
Device 44, battery 45, single-chip microcontroller 46 and low-voltage protection circuit 48；Thermo-electric generation chip 41 is set to the wall surface of adsorbent bed, and being used for will
The thermal energy that adsorbent bed generates is converted to electric energy, the both ends of thermo-electric generation chip 41 and connecting for first resistor R1 and second resistance R2
Branch circuit parallel connection, the first end of thermo-electric generation chip 41 are connected to the input terminal UIN of voltage-stablizer 42 by low-voltage protection circuit 48, temperature
The second end of poor power-generating chip 41 is grounded；The output end UOUT of voltage-stablizer 42 is connect with the input terminal UIN of ups power 43；UPS electricity
The charging end BAT_O in source 43 is connect with the input terminal BAT_I of li-ion cell protection device 44, the output end UOUT and electricity of ups power 43
The anode and voltage stabilizing chip 47 of movable valve 3521 connect, and the ground terminal GND of ups power 43 passes through NMOS tube Q1 and electrically operated valve
3521 cathode connection；The output end BAT+ of li-ion cell protection device 44 is connect with the anode of battery 45；Single-chip microcontroller 46 receives the temperature difference
The first voltage information and second voltage information that power-generating chip 41 provides, and high level is exported to NMOS tube Q1, so that ups power
43 or battery 45 to electrically operated valve 3521 power；Wherein, first voltage information is used to indicate electricity when adsorbent bed is adsorbed state
Pressure value, second voltage information are used to indicate voltage value when adsorbent bed is detachment status, and first voltage information is less than second voltage
Information；Single-chip microcontroller 46 breaks for receiving thermo-electric generation chip 41 and providing low-voltage variation voltage value and export to low-voltage protection circuit 48
Instruction is opened, so that thermo-electric generation chip 41 and voltage-stablizer 42 disconnect；Wherein, low-voltage protection circuit 48 include photoelectrical coupler U1,
Triode Q2, zener diode D1 and relay U2；The first end of photoelectrical coupler U1 input side is by 3rd resistor R3 and surely
Chip 47 is pressed to connect, second end connect with single-chip microcontroller 46, and the first end of outlet side is connect with voltage stabilizing chip 47, and second end passes through the
Four resistance R4 are connect with the base stage of triode Q2；The emitter of triode Q2 is grounded, and the is connected between base stage and emitter
Five resistance R5, collector are connect with the anode of zener diode D1；The cathode of zener diode D1 is connect with voltage stabilizing chip 47, surely
Press the coils from parallel connection of coils of diode D1 and relay U1；The static contact of relay U1 is connect with the input terminal UIN of voltage-stablizer 42, normally closed
Contact is connect with the first end of thermo-electric generation chip 41.
In the generating suppling device 4, NMOS tube Q1 default conditions are off state, and single-chip microcontroller 46 is monitoring temperature difference hair
When the first voltage information that electrical chip 41 provides, then triggers the timer inside single-chip microcontroller 46 and start countdown (this countdown is long
For absorption refrigeration duration)；When single-chip microcontroller 46 continues to monitor that thermo-electric generation chip 41 provides second voltage information, then single-chip microcontroller
46 extend the countdown of timer (total duration after extension is desorption parsing duration).When the timer of single-chip microcontroller 46 completes timing
Afterwards, the countdown of electrically operated valve duration of valve opening is triggered, and exports high level to NMOS tube Q1, so that NMOS tube Q1 is connected, ups power
43 or battery 45 to electrically operated valve 3521 power, electrically operated valve 3521 connect；It is single after the timer of single-chip microcontroller 46 completes timing
Piece machine 46 exports low level, NMOS tube Q1 cut-off to NMOS tube Q1, and electrically operated valve 3521 disconnects the connection with ups power 43.
Wherein, when the input terminal UIN of ups power 43 has DC supply input, ups power 43 is simultaneously to electrically operated valve
3521 and li-ion cell protection device 44 power so that electrically operated valve 3521 connect, and li-ion cell protection device 44 to battery 45 charge；When
It when the input terminal UIN of ups power 43 does not have DC supply input, is powered from battery 45 to electrically operated valve 3521, so that motor-driven valve
Door 3521 is connected.
In the generating suppling device 4, single-chip microcontroller 46 when receiving low-voltage variation voltage value for the first time, remember by single-chip microcontroller 46
Record an id signal；Single-chip microcontroller 46 triggers the counting inside single-chip microcontroller 46 when receiving low-voltage variation voltage value for the second time
Device countdown, and low level is exported to the second end of photoelectrical coupler U1 input side, promote the coil of relay U2 to obtain electric, relay
The static contact of device U2 disconnects the connection with normally closed interlock, and then thermo-electric generation chip 41 disconnects the connection with voltage-stablizer 42, the temperature difference
Power-generating chip 41 does not provide electric energy to voltage-stablizer 42；At the end of the countdown of single-chip microcontroller 42, single-chip microcontroller 42 is to photoelectrical coupler
The second end of U1 input side exports high level, promotes the coil losing electricity of relay U2, the static contact and normally closed interlock of relay U2
Connection, and then the connection of thermo-electric generation chip 41 and voltage-stablizer 42, thermo-electric generation chip 41 provides electric energy to voltage-stablizer 42.
Preferably, above-mentioned single-chip microcontroller 46 is STM32F103C8T6 chip, and above-mentioned voltage-stablizer 42 is the XY- of TELESKY
SJV-4 automatic lifting voltage source module board.
Preferably, the output end of above-mentioned ups power 43 is connected with voltage stabilizing chip 47, model LM1117-3.3, wherein
The output end of ups power 43 is connect with the input terminal of voltage stabilizing chip 47, the output end and STM32F103C8T6 core of voltage stabilizing chip 47
The power pins of piece connect, the ground terminal GND ground connection of voltage stabilizing chip 47.The voltage stabilizing chip 47 is used to be STM32F103C8T6 core
Piece provides stable power supply VCC.
Preferably, above-mentioned battery 45 is 18650 type batteries.
The heat exchanging pipe of adsorbent bed 31 can be replaced electrically heated rod, and temperature sensor is added, in combination with above-mentioned hair
The opening and closing of electric power supply unit 4 and manually-operated gate component 351, electrically operated valve component 352 is, it can be achieved that electronic parsing and automatic cycle system
It is cold.External a solar energy hot hydrophone can be done, by its piping connection to adsorbent bed heat exchanger inlet and outlet 311, be supplied in conjunction with power generation
The opening and closing of electric installation 4 and manually-operated gate component 351 and electrically operated valve component 352 can utilize solar energy circularly cooling automatically.
The sealing ring material preferred rubber of the valve body of manually-operated gate 3511 and electrically operated valve 3521, silica gel etc., here preferably
Silica gel, valve body use flexible stress metal band, select spring steel band here.
As shown in Figure 3,4, evaporator 34 is installed on inside cabinet 1, for generating refrigerating capacity, passes through thermal insulation board 5 and the external world
Cold insulation is realized in isolation.The inside of evaporator 34 is covered with one layer of water-absorbent material, water-absorbent material on the wall surface of the inside of cabinet 1
Absorbing materials, the materials such as thin raised knitted fabric, cashmere hair, glass fibre can be selected to be spread always by 34 bottom of evaporator to top, purpose
It is the wall surface that refrigerant (water) is taken to top from bottom, to realize in refrigerant (water) sweat cooling, as far as possible close to case
Wall surface evaporation inside body 1, the peak use rate of Lai Shixian wall surface uniform refrigerating capacity and refrigerating capacity.Radiator 32 is a kind of pipe
Gilled radiator, feature are that fin can be copper foil or aluminum slice, and sharing 4 rows, (specific number of rows is big according to adsorbent bed
The factors such as small determine, can arrange left and right with 1-5), it is recommended here that aluminum slice is preferentially used, the spacing between fin is controlled in 5-20mm
Between, it is recommended here that preferential selection 8mm spacing；Fin radiator can be replaced similar heat-pipe heat exchanger, and system can be improved and dissipate
Thermal effect accelerates the condensation rate of refrigerant.
As shown in fig. 6, adsorbent cabinet 10 include surround shell 101, support column 102, support frame 103, case top cover 104,
End cap 105, adsorbent bed 31, which is located at, to be surrounded in shell 101, surrounds the support column for being equipped in shell 101 and being used to support adsorbent bed 31
102, the side for surrounding shell 101 is equipped with end cap 105, and the side of adsorbent bed 31 is equipped with support frame 103, surrounds the end of shell 101
Portion is equipped with case top cover 104, and case top cover 104 seals adsorbent bed 31.Surround the inner wall of shell 101 and the seam on 31 surface of adsorbent bed
Gap is less than 2mm.Support column 102 can be selected metal, plastic or other material, shape can be it is rectangular, select rectangular stainless steel column here.Branch
Support 103 is placed on adsorbent bed 31,104 inner wall of case top cover simultaneously with the lateral surface of support frame 103 and encirclement shell 101
Flanging face precision-fit, support column 102, which is welded on, to be surrounded inside shell 101, is used to support end cap 105, meanwhile, end cap 105
Flanging face is concordant with the edge surface of shell 104 is surrounded, and the gap of adsorbent cabinet 10 is sealedly connected by welding manner, weldering
Connecing mode can be used the technologies sealings such as electric welding, fire weldering, glue bonding, preferred argon arc welding here, to realize adsorbent cabinet 10
Sealing.The advantages of structure is when adsorbent cabinet 10 vacuumizes, and the outer wall of cabinet is by internal adsorbent bed 31
The structural supports such as fin, support column 102, support frame 103, cabinet can be effectively prevented and deform under negative pressure and damaged
Deng, while this structure is used, the outer wall thickness of cabinet can also be thinned significantly, advantageously reduce cost, substantially reduce the whole of device
Weight.
Shell 101, the optional stainless steel and other metal materials of 105 material of end cap are surrounded, it is excellent here with a thickness of 0.1-2.5mm
Select stainless steel thickness 1.5mm.The materials such as support frame 103 and the optional stainless steel of support column 102, it is excellent here with a thickness of 0.5-3.5mm
Select stainless steel thickness 1.5mm.The optional stainless steel and other metal materials of case top cover 104, with a thickness of 0.1-3.5mm, here preferably not
Become rusty steel thickness 2mm.
Coating type adsorbent bed body, crystallization formula adsorbent bed body or filled type adsorbent bed body can be used in adsorbent bed 31
Deng selecting coating type adsorbent bed body here；The optional aluminium flake of the fin of bed body or copper sheet etc., with a thickness of 0-2.5mm, spacing 0-6mm,
Here preferred aluminium flake, thickness 0.22mm, spacing 2mm.
The optional silica gel of adsorbent, molecular sieve, compound adsorbent adsorbent material, select silica gel here, refrigerant can select
Distilled water, pure water etc., select distilled water here.
Adsorption refrigerating device further includes the first connecting line 36, and fluid reservoir 33 and evaporator 34 pass through the first connecting line
36 connections.
Portable absorption refrigerating box further includes thermal insulation board 5, and thermal insulation board 5 is set between evaporator 34 and adsorbent bed 31, and
Across the first connecting line 36.The heat-barrier materials such as glass fibre, asbestos, rock wool, silicate can be used to make for thermal insulation board 5, here
Preferential eps foam plate.
Portable absorption refrigerating box further includes radiating groove 6, and the radiating groove 6 is set in the cabinet 1, and is located at and is equipped with
In the side of the adsorption refrigerating device 3.Portable absorption refrigerating box further includes heat release hole 7, and the heat release hole 7 is set to institute
It states in cabinet 1, and is located at the top of the side equipped with the adsorption refrigerating device 3.1 side of cabinet is equipped with handle 9, cabinet 1
Bottom, which can add, installs some wheels, increases the mobile portability of refrigerating box in this way.Poly- ammonia can be used in cabinet 1 and case lid 2
The materials such as ester, PP, PE are fabricated, and at the top heat dissipation hole 7 of cabinet 1 and radiating groove 6 is using materials such as aluminium or stainless steels
Production, the production of the materials such as plastics or metal can be used in preferential aluminium, handle 9 here.
As shown in Figure 1, 2, the cabinet rear portion of this portable absorption refrigerating box is provided with radiating groove 6 and heat release hole 7, for adsorbing
Formula refrigerating plant 3 radiates when working, and radiating groove 6 is not to be bonded with the top and the bottom of adsorption refrigerating device 3, stays between them
There is gap from left to right, facilitates the heat dissipation of adsorption refrigerating device 3.
Coolant channel 8 can select copper pipe, stainless steel tube etc., select copper pipe here.
Operation logic:
As shown in Fig. 3,4,5, refrigeration and regenerative process are as described below:
A, Process of Adsorption:
In original state before refrigeration, electrically operated valve 3521 be it is in the open state, adsorbent bed 31 is in shape to be adsorbed
It has been stored in state, evaporator 34 and has been uniformly distributed certain refrigerant (water).At this point, by pressing manually-operated gate operating stick
3513, i.e. opening manually-operated gate 3511, at this point, adsorbent bed 31 is connected to evaporator 34, due to the suction-operated of adsorbent, evaporation
Pressure reduction in device 34, refrigerant (water) start sweat cooling in low pressure, generate refrigerating capacity.Simultaneously because adsorbent bed adsorbs
The refrigerant evaporated, then adsorbent can generate heat, that is, the outer wall of adsorbent bed 31 is caused to generate heat, therefore, temperature power generation power supply
Thermo-electric generation chip 41 in device 4 (on one side since adsorbent bed is in adsorption process, is being sent out due to the difference of both ends temperature
Heat, another side side due to plate fin either flat-plate heat pipe heat spreading function, so as to cause two sides temperature difference) start to send out
Electricity, single-chip microcontroller 46 trigger the timing inside single-chip microcontroller 46 when monitoring the first voltage information of the offer of thermo-electric generation chip 41
Device starts absorption refrigeration countdown.After the timer of single-chip microcontroller 46 completes timing, thermo-electric generation power supply unit 4 is to electrically operated valve
3521 power supplies complete Process of Adsorption, into reproduced state to be resolved so that electrically operated valve is closed.
B, regenerative process is parsed:
Need to continue for some time when parsing (time determines by factors such as the size of adsorbent bed, the quality of adsorbent, but
It is the desorption parsing countdown that value is less than inside single-chip microcontroller.) by adsorbent bed heat exchanger inlet and outlet 311 heat is inputted to adsorbent bed 31
Water (or hot oil etc., hot water can be obtained by modes such as solar energy, waste heat, electric heating), manually-operated gate 3511 at this time are kept
Opening state first operates manually-operated gate operating stick 3513 before disconnecting external hot water, so that manually-operated gate 3511 is closed.Adsorbent bed
31 due to outside heat input, adsorbent bed 31 is in detachment status, and refrigerant is parsed from adsorbent, coolant channel
8 become storage in liquid in fluid reservoir 33 by the condensation of radiator 32.Simultaneously because externally input heat, outside adsorbent bed 31
Wall is also that can generate heat, therefore temperature generating suppling device 4 is also started to work.It is high when outside wall temperature is than absorption when due to parsing, then
Single-chip microcontroller 46 can monitor the first voltage information and second voltage information that thermo-electric generation chip 41 provides, therefore can trigger desorption
Parse duration.After the timer of single-chip microcontroller 46 completes timing, thermo-electric generation power supply unit 4 is powered to electrically operated valve 3521, from
And electrically operated valve is opened, in refrigerant reflux boiler, desorption resolving is completed, into refrigerating state to be adsorbed.
The beneficial effects of the present invention are:
Adsorption refrigerating device of the invention drives in process of refrigerastion without extra power, by the way that valve mechanism is arranged,
When needing to freeze only need to by lower button, can fast-refrigerating, driven without external power supply, can control refrigeration time started and temperature
Degree, this system structure is simple, performance is stable, small volume, later maintenance cost are low, is particularly suitable for mobile refrigerating demand,
A kind of new mode is provided for Refrigerated Transport, is conducive to the development of cold chain transportation.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, therefore
Without departing from the technical solutions of the present invention, according to the technical essence of the invention it is to the above embodiments it is any modification,
Equivalent variations and modification, all of which are still within the scope of the technical scheme of the invention.
Claims (10)
1. a kind of portable absorption refrigerating box, which is characterized in that including cabinet, case lid, for providing the absorption of cooling capacity for cabinet
Formula refrigerating plant；
The case lid is set to the top of the box, and the absorption refrigeration device is set in the side of the cabinet；
The adsorption refrigerating device include adsorbent bed, radiator, fluid reservoir, evaporator and and for control the adsorbent bed with
The valve mechanism of the evaporator connection；
The adsorbent bed, the radiator, the fluid reservoir, the evaporator are sequentially connected in series, the valve mechanism setting
In in the fluid reservoir.
2. portable absorption refrigerating box according to claim 1, which is characterized in that the valve mechanism includes manually-operated gate
Component and electrically operated valve component, the manually-operated gate component are set to the junction of the radiator Yu the fluid reservoir；It is described
Electrically operated valve component is set to the junction of the fluid reservoir Yu the evaporator.
3. portable absorption refrigerating box according to claim 2, which is characterized in that the manually-operated gate component includes manual
Valve, metal tape and operating stick, the manually-operated gate are located at the interface of the radiator and the fluid reservoir, and by described
Metal tape is fixed on the fluid reservoir, and the first end of the operating stick connects the manually-operated gate, and second end is higher than described dissipate
The top of hot device；The first end of the operating stick jacks up the opening and closing that the metal tape realizes manually-operated gate.
4. portable absorption refrigerating box according to claim 2, which is characterized in that the electrically operated valve component includes electronic
Valve, cam, motor, idler wheel, mandril and transmission gear；
The electrically operated valve is set to the exit that the fluid reservoir is connect with the evaporator, and the mandril is set to the electricity
The bottom of movable valve, the mandril and the idler wheel axis connection, the idler wheel and the circumscribed connection of the cam, the transmission gear
Respectively with the cam, the circumscribed connection of the motor.
5. portable absorption refrigerating box according to claim 4, which is characterized in that further include for being the electrically operated valve
The generating suppling device of component power supply, the generating suppling device are set on the side of the adsorbent bed, and are located at described dissipate
The bottom of hot device.
6. portable absorption refrigerating box according to claim 5, which is characterized in that the generating suppling device includes: temperature
Poor power-generating chip, voltage-stablizer, ups power, li-ion cell protection device, battery, single-chip microcontroller and low-voltage protection circuit；
The thermo-electric generation chip is used to the thermal energy of the generation of the adsorbent bed being converted to electric energy, the thermo-electric generation chip with
The series arm of first resistor and second resistance is in parallel, and the first end of the thermo-electric generation chip is connected by low-voltage protection circuit
To the input terminal of the voltage-stablizer, the second end ground connection of the thermo-electric generation chip；
The output end of the voltage-stablizer is connect with the input terminal of the ups power；
The charging end of the ups power is connect with the input terminal of the li-ion cell protection device, output end respectively with the motor-driven valve
The anode of door is connected with voltage stabilizing chip, and ground terminal is connect by NMOS tube with the cathode of the electrically operated valve；
The output end of the li-ion cell protection device is connect with the anode of the battery；
The single-chip microcontroller receives the first voltage information and second voltage information that the thermo-electric generation chip provides, and to described
The grid of NMOS tube exports high level, so that the ups power or the battery are powered to the electrically operated valve；Wherein, described
First voltage information is used to indicate voltage value when adsorbent bed is adsorbed state, and the second voltage information is used to indicate adsorbent bed
Voltage value when for detachment status, the first voltage information are less than second voltage information；
The single-chip microcontroller is used to receive the low-voltage variation voltage value that the thermo-electric generation chip provides and defeated to low-voltage protection circuit
Open command out, so that the thermo-electric generation chip and the voltage-stablizer disconnect；Wherein, the low-voltage protection circuit includes photoelectricity
Coupler, triode, zener diode and relay；The first end of the photoelectrical coupler input side passes through 3rd resistor and institute
Voltage stabilizing chip connection is stated, second end is connect with the single-chip microcontroller, and the first end of outlet side is connect with the voltage stabilizing chip, second end
It is connect by the 4th resistance with the base stage of the triode；The emitter of the triode is grounded, and the base stage and the hair
The 5th resistance is connected between emitter-base bandgap grading, collector is connect with the anode of the zener diode；The cathode of the zener diode
It is connect with the voltage stabilizing chip, the coils from parallel connection of coils of the zener diode and the relay；The static contact of the relay with
The input terminal of the voltage-stablizer connects, and normally closed interlock is connect with the first end of the thermo-electric generation chip.
7. portable absorption refrigerating box according to claim 1, which is characterized in that the adsorption refrigerating device further includes
First connecting line, the fluid reservoir are connect with the evaporator by first connecting line.
8. portable absorption refrigerating box according to claim 7, which is characterized in that it further include thermal insulation board, the thermal insulation board
It is set between the evaporator and the adsorbent bed, and passes through first connecting line.
9. portable absorption refrigerating box according to claim 1, which is characterized in that it further include radiating groove, the radiating groove
It is set in the cabinet, and is located in the side equipped with the adsorption refrigerating device.
10. portable absorption refrigerating box according to claim 1, which is characterized in that it further include heat release hole, the heat release hole
It is set in the cabinet, and is located at the top of the side equipped with the adsorption refrigerating device.
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| CN201811464044.4A CN109405395B (en) | 2018-12-03 | 2018-12-03 | Portable adsorption refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811464044.4A CN109405395B (en) | 2018-12-03 | 2018-12-03 | Portable adsorption refrigerator |
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| CN109405395B CN109405395B (en) | 2024-03-19 |
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| CN110486999A (en) * | 2019-08-06 | 2019-11-22 | 广州万宝集团有限公司 | A kind of absorption type cold storage plant |
| CN114963605A (en) * | 2020-11-05 | 2022-08-30 | 河南牧业经济学院 | Portable refrigerator and adsorption type refrigerating device for refrigerator |
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| CN109405395B (en) | 2024-03-19 |
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