CN109990541A - A kind of sealed negative-pressure freezer - Google Patents
A kind of sealed negative-pressure freezer Download PDFInfo
- Publication number
- CN109990541A CN109990541A CN201910330596.4A CN201910330596A CN109990541A CN 109990541 A CN109990541 A CN 109990541A CN 201910330596 A CN201910330596 A CN 201910330596A CN 109990541 A CN109990541 A CN 109990541A
- Authority
- CN
- China
- Prior art keywords
- warehouse
- hermatic door
- air
- sliding
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 238000005057 refrigeration Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 50
- 239000000523 sample Substances 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 12
- 230000004308 accommodation Effects 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 230000013011 mating Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 239000002775 capsule Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 238000001816 cooling Methods 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 235000013305 food Nutrition 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 230000004907 flux Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 238000009920 food preservation Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
- 230000000638 stimulation Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 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
- F25D13/00—Stationary devices, e.g. cold-rooms
-
- 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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/047—Pressure equalising devices
-
- 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
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
-
- 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
- F25D29/00—Arrangement or mounting of control or safety devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Refrigerator Housings (AREA)
Abstract
The present invention relates to a kind of sealed negative-pressure freezers, it is related to the technical field of refrigeration equipment, it includes warehouse, it is arranged in the intracorporal refrigeration mechanism in storehouse, the sealing mechanism of warehouse inlet is set, and the negative pressure mechanism for the manufacture subnormal ambient in warehouse being connect with warehouse, the sealing mechanism includes the hermatic door that lid is located on entrance, air accumulator in hermatic door is set, the piston in air accumulator is arranged in directional-sliding, across air accumulator end wall and the screw rod that is connect with piston thread, the actuator driven screw turns, and the air bag of the hermatic door side opposite with inlet edge is set, the screw rod and air accumulator are rotatablely connected, the air pocket rings are circumferentially arranged around hermatic door, the air bag is connected to air accumulator far from one end of screw rod, and the air bag is heaved and is abutted afterwards with inlet edge.The present invention has the effect of the leakage for reducing cold air to improve energy utilization rate.
Description
Technical field
The present invention relates to the technical fields of refrigeration equipment, more particularly, to a kind of sealed negative-pressure freezer.
Background technique
Currently, freezer is mainly used as to food, dairy products, meat, aquatic products, chemical industry, medicine, nursery, scientific experimentation etc.
Constant temperature stores air-cooling system, and freezer is actually one kind and refrigerator phase that a kind of low-temperature cold store (freezer) also belongs to refrigeration equipment
Compare, refrigeration area is much bigger, but they have the refrigeration principle communicated.
Freezer needs to keep sealing, reduces the circulation of air with this and accelerates the rotten of food to avoid gases such as oxygen, together
When reduce cold air leakage, reduce energy consumption.Existing freezer sealing structure is usually that sealing joint strip is installed around door body, is passed through
Sealing joint strip improves the leakproofness of door body, reduces the leakage of cold air, improves refrigeration effect.
Prior art among the above has the following deficiencies: when closing cold-storage door, since sealing joint strip is squeezed and deformed
Cause adhesive tape to contact defective tightness, cannot be bonded completely, there are gaps, so that cooling gas leakage, causes energy waste.
Summary of the invention
The object of the present invention is to provide a kind of sealed negative-pressure freezers, reduce the leakage of cold air, improve energy utilization rate.
Foregoing invention purpose of the invention has the technical scheme that
A kind of sealed negative-pressure freezer, including warehouse, the sealer that the intracorporal refrigeration mechanism in storehouse is arranged in, warehouse inlet is arranged in
Structure, and the negative pressure mechanism for the manufacture subnormal ambient in warehouse connecting with warehouse, the sealing mechanism include that lid is located at
Piston that hermatic door on entrance, air accumulator, the directional-sliding being arranged in hermatic door are arranged in air accumulator passes through air accumulator
End wall and the screw rod being connect with piston thread, the actuator driven screw turns, and be arranged in hermatic door and inlet edge phase
Pair side air bag, the screw rod and air accumulator be rotatablely connected, and the air pocket rings are circumferentially arranged around hermatic door, the air bag with
Air accumulator is connected to far from one end of screw rod, and the air bag is heaved and abutted afterwards with inlet edge.
By using above-mentioned technical proposal, refrigeration mechanism reduces the intracorporal article temperature in storehouse, in negative pressure mechanism extracting bin body
Gas, removal oxygen etc. shortens the gas of food preservation time, is filled with part nitrogen later with equilibrium air pressure, keeps storehouse intracorporal
Air pressure reduces temperature recovery caused by air pressure is gone up lower than the external world；Actuator drives screw turns, band piston when screw rod rotates
It slides in air accumulator, is blasted gas in air bag with this, the increase of air bag capacity is reduced between hermatic door and inlet edge with this
Gap, reduce the leakage of cold air, reduce the loss of cooling capacity, improve energy utilization rate；The shortenings such as extraneous oxygen food is reduced simultaneously
The entrance of the gas of product fresh keeping time extends the fresh keeping time of food etc..
The present invention is further arranged to: transmission component is provided on the hermatic door, the transmission component includes that setting exists
On warehouse outer wall for hermatic door sliding guide rail, be rotatably arranged on the driving wheel at guide rail both ends and be set on driving wheel
Transmission belt, and the driving part on guide rail to drive driving wheel to rotate is set, the transmission belt connect with hermatic door.
By using above-mentioned technical proposal, driving part drives driving wheel rotation, and driving wheel drives transmission V belt translation, with this
It drives hermatic door to slide along guide rail, the entrance of hermatic door closing warehouse is made to reduce the damage of cooling capacity to facilitate the disengaging of personnel
It loses.
The present invention is further arranged to: inner cavity, isogonism in the peripheral surface of the driving wheel are offered in the driving wheel
Degree, which is spaced apart, is equipped with pilot hole, and the driving part includes sliding the sliding block being arranged in pilot hole, coaxially fixing with driving wheel
Drive rod, be set on drive rod and the sliding sleeve with drive rod sliding connection, and the strut hinged with sliding sleeve peripheral surface,
The strut is in angle with sliding sleeve glide direction and one end and sliding block are hinged, is spaced apart along its length on the transmission belt
Equipped with the through-hole mating with sliding block, output shaft and the co-axially fixed driving motor of drive rod are provided on the warehouse.
Strut rotation is driven by using above-mentioned technical proposal, when sliding sleeve slides, one end of strut pushes sliding block along guiding
Hole slides and protrudes transmission wheel surface, and sliding block is mating with through-hole, connects driving wheel and transmission belt, driving motor rotation with this
When drive driving wheel rotation, transmission V belt translation is driven with this, drives hermatic door to slide with this and covers warehouse entrance；Work as power-off
When, sliding sliding sleeve resets sliding block, and sliding block enters in pilot hole, and driving wheel is separated with transmission belt, facilitates operator's hand with this
Operation is opened and closed in dynamic passage hermatic door, to reduce the influence that power-off is opened and closed hermatic door, improves the applicability of freezer.
The present invention is further arranged to: it is connected with magnetic conduction sheet on the sliding sleeve, is provided with electromagnet on the warehouse outer wall,
It is electrically connected on the electromagnet and is powered for controlling electromagnet to adsorb the contact-making switch of magnetic conduction sheet, one end of the sliding sleeve is set
It is equipped with the spring element connecting with warehouse.
By using above-mentioned technical proposal, magnetic conduction sheet is connected on sliding sleeve, operator triggers contact-making switch so that electromagnet
It is powered, absorption magnetic conduction sheet when electromagnet is powered is so that sliding sleeve slides, to control the clutch operation of driving wheel and transmission belt, elastic force
Part is used to make sliding sleeve reset in electromagnet power-off.
The present invention is further arranged to: detection components is provided on the warehouse, the detection components include that setting is entering
Mouthful a side along the infrared sensor to detect hermatic door position upper and opposite with hermatic door, and setting on warehouse and with it is red
Outer sensor is electrically connected to receive the controller of electric signal, and the controller is electrically connected to control magnet switching with electromagnet
Electricity.
By using above-mentioned technical proposal, detection components, the radiation direction and hermatic door of infrared sensor are set on warehouse
Glide direction it is consistent, when hermatic door is moved to close to inlet edge, infrared sensor triggering, controller controls electromagnetism Tie Tong
Electricity facilitates operator to carry out manual fine-tuning to make driving wheel separate with transmission belt, with this, reduces hermatic door and warehouse entrance
The gap at edge avoids hermatic door overmigrate with this.
The present invention is further arranged to: being offered accommodation groove in the guide rail along its length, is set in the accommodation groove
It is equipped with heating wire, offers deflector hole on the bottom wall of the accommodation groove.
By using above-mentioned technical proposal, heating wire is mounted in guide rail, when condensation vapor is between guide rail and hermatic door
When, water freezes under cryogenic and influences the normal opening and closing of hermatic door, is heated by heating wire to guide rail, to melt
The water of ice sheet, ice chemical conversion is discharged by deflector hole, avoids freezing again.
The present invention is further arranged to: unlocking mechanism is provided on the hermatic door, the unlocking mechanism includes and sealing
The first clamping piece of door connection is rotated with the second intermediate plate of hermatic door sliding connection, the rack gear connecting with second intermediate plate, with hermatic door
The gear of connection extends to the intracorporal handle in storehouse across hermatic door, and for the locking member of lock handle, the gear and tooth
Item engagement connection clamps transmission belt close to first clamping piece when the second intermediate plate slides and with first clamping piece.
By using above-mentioned technical proposal, when there are personnel to be trapped in warehouse, rotate gear by swing handle, gear
Band carry-over bar slides so that second intermediate plate is far from first clamping piece and decontrols transmission belt, to separate transmission belt and hermatic door, conveniently
Operator elapses hermatic door and opens warehouse entrance to save oneself, and improves the safety of freezer.
The present invention is further arranged to: the hermatic door offers sliding slot by the intracorporal side in storehouse, and the locking member includes
It slides the annular gear ring being arranged in sliding slot and both ends is separately connected the elastic slice of sliding slot bottom wall and annular gear ring, the annular
The gear teeth one side being distributed on gear ring is vertical with face where annular gear ring, the gear teeth another side and annular being distributed on the annular gear ring
Face is in angle where gear ring, and the one end of the handle far from gear is L-shaped, the handle when second intermediate plate is mobile towards first clamping piece
Inclined-plane of the hand on the annular gear ring gear teeth slides and is engaged by clamping with the annular gear ring gear teeth.
Second intermediate plate cooperation first clamping piece is driven to clamp transmission belt by using above-mentioned technical proposal, when rack gear slides, with
This fixed conveyor band and hermatic door, lock sealing door；Sliding slot is opened up on hermatic door, handle is L-shaped, handle rotate when one end with
The inclined-plane of the annular gear ring gear teeth is contradicted and is slid along inclined-plane, and elastic slice compresses at this time, after handle crosses the tip of the annular gear ring gear teeth
Elastic slice resets, and so that the gear teeth of handle one end and annular gear ring is engaged by clamping with this, thus locked hand and gear；Work as trapped person
So that handle is detached from clamped condition when squeezing annular gear ring and realizes the unlock of hermatic door so that hermatic door be made to separate with transmission belt, side
Just warehouse entrance is opened to save oneself.
The present invention is further arranged to: being leaned at the top of entrance on the warehouse outer wall and is provided with air blower, outside the warehouse
Induced duct is provided on wall, the induced duct is connected to far from a side opening of hermatic door with the air outlet of air blower, the air inducing
The air outlet of pipe and the entrance of warehouse are wide, are hinged with adjustable plate on the air inducing inside pipe wall.
By using above-mentioned technical proposal, air blower blasts high pressure gas into induced duct, induced duct to high pressure gas into
Row water conservancy diversion, its overlay area and warehouse entrance are wide when spraying high pressure gas with this, so as to form air curtain, when hermatic door is opened
When, by the air curtain isolation external world and the intracorporal low temperature environment in storehouse, the loss of cooling capacity is reduced with this, improves resource utilization；It adjusts
Plate is used to adjust the flux of high pressure gas, adjusts wind speed with this, when personnel's disengaging, rotates adjustable plate to increase gas flux,
Wind speed is reduced, reduces high pressure gas to the physical stimulation of personnel, to improve the comfort level of disengaging personnel.
The present invention is further arranged to: output shaft and the co-axially fixed adjusting electricity of adjustable plate are provided on the warehouse outer wall
Machine, is provided with the infrared probe that for testing staff enters and leaves opposite with ground in the warehouse top exterior walls, on the warehouse
It is provided with and is electrically connected with infrared probe to receive the electric controller of infrared probe electric signal, the electric controller is electrically connected with motor is adjusted
To control to adjust the start and stop of motor.
By using above-mentioned technical proposal, when personnel's disengaging, infrared probe detects personnel and triggers, and electric controller receives
The electric signal of infrared probe simultaneously controls to adjust motor rotation, and the rotational angle of adjustable plate is adjusted with this, increases gas flux, is reduced
Wind speed reduces high pressure gas to the physical stimulation of personnel, to improve the comfort level of disengaging personnel.
In conclusion advantageous effects of the invention are as follows:
1. refrigeration mechanism reduces storehouse body temperature, negative pressure mechanism extracts air and is filled with nitrogen, maintains negative pressure, reduces air pressure and gos up
Caused temperature recovery；Actuator drives screw turns, and band piston slides in air accumulator interior orientation when screw rod rotates, will with this
Gas blasts in air bag, and air bag capacity, which increases, reduces the gap between hermatic door and inlet edge with this, reduces the loss of cooling capacity,
Energy consumption is reduced, energy utilization rate is improved；
2. sliding sleeve drives strut to push sliding block to slide along pilot hole and protrude transmission wheel surface, sliding block is mating with through-hole,
Driving wheel and transmission belt are connected with this, driving wheel rotation is driven when driving motor rotates, drives hermatic door to slide and cover with this
Warehouse entrance；When power is off, sliding sliding sleeve separates driving wheel with transmission belt, facilitates operator to elapse hermatic door manually with this
Operation is opened and closed, to reduce the influence that power-off is opened and closed hermatic door, improves the applicability of freezer；
3. rotating gear by swing handle when there is personnel to be trapped in warehouse, gear band carry-over bar slides so that the second folder
Piece is far from first clamping piece and decontrols transmission belt, to separate transmission belt and hermatic door, operator is facilitated to elapse hermatic door and beat
Body entrance open a position to save oneself, improves the safety of freezer.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is partial structure diagram of the invention, main presentation transmission belt；
Fig. 3 is part-structure perspective view of the explosion of the invention, main presentation annular gear ring；
Fig. 4 is part-structure perspective view of the explosion of the invention, main presentation sliding sleeve.
Appended drawing reference: 1, warehouse；11, refrigeration mechanism；111, refrigeration unit；12, negative pressure mechanism；121, vacuum pump；122,
Nitrogen making machine；2, sealing mechanism；21, hermatic door；211, sliding slot；22, air accumulator；23, piston；24, screw rod；25, actuator；251,
Driving motor；26, air bag；3, transmission component；31, guide rail；311, accommodation groove；312, deflector hole；313, heating wire；32, it is driven
Wheel；321, inner cavity；322, pilot hole；33, transmission belt；331, through-hole；34, driving part；341, sliding block；342, drive rod；
343, sliding sleeve；344, magnetic conduction sheet；345, strut；346, driving motor；35, electromagnet；36, contact-making switch；37, spring element；4,
Detection components；41, infrared sensor；42, controller；5, unlocking mechanism；51, first clamping piece；52, second intermediate plate；53, rack gear；
54, gear；55, handle；56, locking member；561, annular gear ring；562, elastic slice；6, air blower；61, induced duct；62, adjustable plate；
63, motor is adjusted；64, infrared probe；65, electric controller.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
It referring to Fig.1, is a kind of sealed negative-pressure freezer disclosed by the invention, including warehouse 1, the refrigeration being arranged in warehouse 1
Mechanism 11, the sealing mechanism 2 that 1 inlet of warehouse is arranged in, and what is connect with warehouse 1 are used to manufacture negative pressure ring in warehouse 1
The negative pressure mechanism 12 in border.Warehouse 1 in a rectangular parallelepiped shape, the side of warehouse 1 is located at for the entrance of personnel and cargo disengaging, entrance is in length
It is rectangular.Refrigeration mechanism 11 includes the multiple refrigeration units 111 being installed in warehouse 1, and refrigeration unit 111 is using condensation unit 4MD-
3.2, condensation unit 4MD-3.2 refrigeration is rapid, so as to improve refrigerating efficiency.
Negative pressure mechanism 12 includes being installed on the vacuum pump 121 that warehouse 1 is outer and is connected to warehouse 1 by pipeline, and installation
In the nitrogen making machine 122 outside warehouse 1.Vacuum pump 121 extracts the air in warehouse 1, the air pressure in warehouse 1 is reduced with this, when warehouse 1
Temperature reduces when air pressure reduces, and compensates the air pressure in warehouse 1 by the nitrogen of 122 output of nitrogen making machine, makes to maintain negative pressure in warehouse 1
State avoids air pressure from ging up and make temperature recovery.Sealing mechanism 2 is used to keep the sealing of warehouse 1, and air is avoided to enter and make to eat
The quickenings such as product oxidation, while reducing scattering and disappearing for cooling capacity.
Referring to Fig. 2, Fig. 3, sealing mechanism 2 includes the hermatic door 21 that lid is located on entrance, the storage being arranged in hermatic door 21
Gas tank 22 slides the piston 23 being arranged in air accumulator 22, across screw rod air accumulator 22 end wall and be threadedly coupled with piston 23
24, the actuator 25 that driving screw rod 24 rotates, and the air bag 26 of the side opposite with inlet edge of hermatic door 21 is set.It is close
In a rectangular parallelepiped shape, air accumulator 22 is in rectangular shape to closure door 21, and the inner wall of the outer wall and hermatic door 21 of air accumulator 22 is fixed by screw,
The one end of air accumulator 22 far from screw rod 24 is connected to by pipeline with air bag 26.
Air bag 26 is square ring-type, and air bag 26 be bonded with this with inlet edge, raising is close around the circumferential setting of hermatic door 21
Feng Xing.In a rectangular parallelepiped shape, the edge of piston 23 is connect piston 23 with the interior wall slip of air accumulator 22, in air accumulator 22 along its length
Direction is provided with traveller, and traveller is welded and fixed in cylindrical shape and both ends and the end wall of air accumulator 22, traveller across piston 23 and
It slides and connects with piston 23, avoid piston 23 from rotating with this, piston 23 is made to realize directional-sliding.Actuator 25 includes and hermatic door
The 21 inner walls driving motor 251 fixed by screw, the output shaft and piston 23 of driving motor 251 are rotatablely connected, screw rod 24 with
Air accumulator 22 is rotatablely connected.
Referring to Fig.1, Fig. 2, transmission component 3 is provided on hermatic door 21, and transmission component 3 includes being arranged on 1 outer wall of warehouse
The guide rail 31 slid for hermatic door 21, be rotatably arranged on the driving wheel 32 at 31 both ends of guide rail and be set on driving wheel 32
Transmission belt 33, and be arranged on guide rail 31 with drive driving wheel 32 rotate driving part 34.The length direction of guide rail 31
Consistent with the width direction of entrance, the length of guide rail 31 is greater than twice of throat width, and there are two guide rails 31, is all made of channel steel,
One of guide rail 31 is opening up and is fixed by screw and ground, and another guide rail 31 is logical by screw and access opening top edge
It crosses screw to fix, two guide rails 31 are parallel to each other and are open opposite.
The lower rotation of hermatic door 21 is provided with multiple idler wheels that connection is rolled with 31 inner wall of guide rail, reduces hermatic door with this
21 with the frictional force of guide rail 31, reduce abrasion.Accommodation groove 311, peace in accommodation groove 311 are offered in guide rail 31 along its length
Equipped with heating wire 313, for heating wire 313 along 1 throat width directional spreding of warehouse, when 313 heating power of heating wire, melts hermatic door
Frost between 21 and guide rail 31 reduces the resistance when movement of hermatic door 21, to avoid hermatic door 21 stuck.Accommodation groove 311
Bottom wall on along the length direction uniform intervals of guide rail 31 offer multiple deflector holes 312, deflector hole 312 is melted for evacuating frost
Water after change avoids the secondary of water from freezing with this.
There are two driving wheels 32, in the form of annular discs, is located at the both ends of the guide rail 31 of access opening top, and driving wheel 32 passes through axis
It holding and is rotatablely connected with 31 inner wall of guide rail, transmission belt 33 is sheathed between two driving wheels 32, and hermatic door 21 is connect with transmission belt 33,
It drives hermatic door 21 to slide by transmission belt 33 with this and covers 1 entrance of warehouse.
Referring to Fig.1, Fig. 4 offers circular inner cavity 321, the peripheral surface of driving wheel 32 in one of driving wheel 32
It is upper equally angularly spaced equipped with multiple pilot holes 322.Driving part 34 include sliding be arranged in pilot hole 322 sliding block 341,
With the co-axially fixed drive rod 342 of driving wheel 32, the sliding sleeve for being set on drive rod 342 and being connected with the sliding of drive rod 342
343, and four struts 345 hinged with 343 peripheral surface of sliding sleeve.
Pilot hole 322 is square, sliding block 341 in a rectangular parallelepiped shape, drive rod 342 in a rectangular parallelepiped shape, one end and driving wheel 32
Inner wall is welded and fixed.It is spaced apart along its length on transmission belt 33 and is equipped with multiple rectangular through-holes 331, through-hole 331 and protrusion
The sliding block 341 of pilot hole 322 is mating, connects transmission belt 33 and driving wheel 32 with this, avoids driving wheel 32 and transmission belt 33
It skids.Driving motor 346 is provided on warehouse 1, driving motor 346 is fixed with 31 outer wall of guide rail by screw, driving motor 346
Output shaft and drive rod 342 it is coaxial fixed.
Sliding sleeve 343 is square ring-type, and the both ends of strut 345 are hingedly connected to sliding sleeve 343, sliding block 341, and strut 345 with
343 glide direction of sliding sleeve is in angle.Magnetic conduction sheet 344 is fixed with by screw on sliding sleeve 343, magnetic conduction sheet 344 is annular in shape and ring
Around the circumferential setting of sliding sleeve 343.Magnetic conduction sheet 344 uses the good nickel material of magnetic property, is equipped with electromagnetism on 32 inner wall of driving wheel
Iron 35, electromagnet 35 are fixed with driving wheel 32 by screw, and contact-making switch 36 is electrically connected on electromagnet 35, and contact-making switch 36 is pacified
Loaded on 1 outer wall of warehouse, contact-making switch 36 uses YT -1212-112A type key switch, YT -1212-112A type key switch
High sensitivity makes 35 quick response of electromagnet with this, reduces delay.
One end of sliding sleeve 343 is provided with the spring element 37 connecting with warehouse 1, and spring element 37 uses the good spring of elasticity,
One end of spring is welded and fixed with 1 outer wall of warehouse, and the other end is welded and fixed with sliding sleeve 343.When power is off, 35 demagnetization of electromagnet,
Sliding sleeve 343 slides reset under the action of spring element 37, and sliding block 341 enters in pilot hole 322, and driving wheel 32 divides with transmission belt 33
From the lock state of depressurization door 21 facilitates operator to elapse hermatic door 21 manually and operation is opened and closed, to subtract with this
The influence being opened and closed to hermatic door 21 is powered off less, improves the applicability of freezer.
Be provided with detection components 4 on warehouse 1, detection components 4 include be arranged on inlet side edge and with hermatic door 21
Opposite infrared sensor 41, and be arranged on warehouse 1 and be electrically connected with infrared sensor 41 to receive the control of electric signal
Device 42, controller 42 are electrically connected to control 35 power on/off of electromagnet with electromagnet 35.Infrared sensor 41 passes through with 1 outer wall of warehouse
Screw is fixed, and the radiation direction of infrared sensor 41 is horizontally disposed, the radiation direction of infrared sensor 41 and the cunning of hermatic door 21
Shifting direction is consistent, and infrared sensor 41 is opposite with 21 edge side wall of hermatic door.Infrared sensor 41 uses the round photoelectric transfer of DR18
The detection accuracy of sensor, the round photoelectric sensor of DR18 is high, passes through the position of infrared detection hermatic door 21 with this.Controller 42
Using PLC controller 42, the power on/off of electromagnet 35 is controlled by PLC controller 42.
Referring to Fig.1, Fig. 3 is provided with unlocking mechanism 5 on hermatic door 21, and unlocking mechanism 5 includes connect with hermatic door 21
One intermediate plate 51, with hermatic door 21 sliding connection second intermediate plate 52, connect with second intermediate plate 52 rack gear 53, with 21 turns of hermatic door
The gear 54 of dynamic connection extends to the handle 55 in warehouse 1, and the locking member for lock handle 55 across hermatic door 21
56.Transmission belt 33 is clamped close to first clamping piece 51 when second intermediate plate 52 slides and with first clamping piece 51.First clamping piece 51 and second
Intermediate plate 52 in a rectangular parallelepiped shape, is located at the both ends of transmission belt 33, and first clamping piece 51 and the top of hermatic door 21 are welded and fixed,
Rack gear 53 is penetrated in hermatic door 21 and is slid with hermatic door 21 and connects, and gear 54 and hermatic door 21 are rotatablely connected, and gear 54 with
The engagement connection of rack gear 53.
Handle 55 passes through hermatic door 21 and L-shaped towards one end in warehouse 1, and side of the hermatic door 21 in warehouse 1 is opened
Equipped with the sliding slot 211 rotated for handle 55, facilitate the rotation of handle 55 with this, handle 55 and 1 inlet edge of warehouse is avoided to collide.
When there is personnel to be trapped in warehouse 1, trapped person only needs swing handle 55 to rotate gear 54, and gear 54 slides with carry-over bar 53
So that second intermediate plate 52 is far from first clamping piece 51 and decontrols transmission belt 33, to separate transmission belt 33 and hermatic door 21, facilitate behaviour
Make personnel to elapse hermatic door 21 and open 1 entrance of warehouse to save oneself, improves the safety of freezer.
Locking member 56 includes that the annular gear ring 561 that sliding is arranged in sliding slot 211 and both ends are separately connected sliding slot 211
The elastic slice 562 of bottom wall and annular gear ring 561.Elastic slice 562 is arc-shaped, and the face and the welding of annular gear ring 561 that elastic slice 562 protrudes are solid
Fixed, the both ends of elastic slice 562 and the bottom wall of sliding slot 211 are welded and fixed.The pivot center of handle 55 and the central axis of annular gear ring 561
Line is overlapped, and the gear teeth of annular gear ring 561 are towards the side in warehouse 1.
The inclined-plane of one end and 561 gear teeth of annular gear ring is contradicted and is slid along inclined-plane when handle 55 rotates, at this time elastic slice 562
Compression, elastic slice 562 resets after handle 55 crosses the tips of 561 gear teeth of annular gear ring, makes 55 one end of handle and annular gear ring with this
561 gear teeth are engaged by clamping, so that locked hand 55 and gear 54, are driven so that first clamping piece 51 and second intermediate plate 52 be made to clamp
Band 33, locking hermatic door 21 and transmission belt 33.Handle 55 is set to be detached from clamped condition when trapped person squeezes annular gear ring 561,
To make hermatic door 21 separate with transmission belt 33, realizes the unlock of hermatic door 21, be easy to open 1 entrance of warehouse and save oneself.
Air blower 6 is installed at the top of entrance on 1 outer wall of warehouse, air blower 6 is fixed with warehouse 1 by screw, air blast
The air outlet of machine 6 is towards ground.Induced duct 61 is provided on 1 outer wall of warehouse, induced duct 61 is fixed by screw with warehouse 1, drawn
61 upper and lower opening of air hose communicates, and induced duct 61 is connected to far from a side opening of hermatic door 21 with the air outlet of air blower 6, induced duct
The entrance of 61 air outlet and warehouse 1 is wide, is hinged with adjustable plate 62 on 61 inner wall of induced duct, adjustable plate 62 in a rectangular parallelepiped shape and
Along 1 throat width directional spreding of warehouse.Air blower 6 blasts high pressure gas into induced duct 61, induced duct 61 to high pressure gas into
Row water conservancy diversion, its overlay area and 1 entrance of warehouse are wide when spraying high pressure gas with this, so as to form air curtain.
It is provided with output shaft and the co-axially fixed adjusting motor 63 of adjustable plate 62 on 1 outer wall of warehouse, adjusts motor 63 and passes through
Screw is fixed with 1 outer wall of warehouse.The infrared probe 64 opposite with ground is provided in 1 top exterior walls of warehouse, infrared probe 64 has
It is multiple and be evenly spaced on along 1 throat width direction of warehouse.Be provided on warehouse 1 be electrically connected with infrared probe 64 it is red to receive
The electric controller 65 of 64 electric signals of outer probe, electric controller 65 are fixed with 1 outer wall of warehouse by screw, electric controller 65 and adjusting motor 63
It is electrically connected to control to adjust the start and stop of motor 63.Electric controller 65 uses SDJ-2KW general-purpose version electric machine controller, and SDJ-2KW is general
The control of version electric machine controller precisely, facilitates the start and stop for controlling to adjust motor 63 with this.
Infrared probe 64 uses the round photoelectric sensor of DR18, and the detection accuracy of the round photoelectric sensor of DR18 is high, passes through
The disengaging of infrared detection personnel.When personnel's disengaging, infrared probe 64 detects personnel and triggers, and electric controller 65 receives infrared
The electric signal of probe 64 simultaneously controls to adjust the rotation of motor 63, and the rotational angle of adjustable plate 62 is adjusted with this, increases gas flux, drop
Low wind speed reduces high pressure gas to the physical stimulation of personnel, to improve the comfort level of disengaging personnel.
The implementation principle of the present embodiment are as follows: food etc. need to be only put into warehouse by operator, trigger contact-making switch later
36, electromagnet 35 is powered, so that sliding sleeve 343 slides, sliding sleeve 343 drives absorption magnetic conduction sheet 344 when electromagnet 35 is powered when sliding
Strut 345 rotates, and one end of strut 345 pushes sliding block 341 to slide along pilot hole 322 and protrudes 32 surface of driving wheel, sliding block 341
It is mating with through-hole 331, driving wheel 32 and transmission belt 33 are connected with this, 32 turns of driving wheel are driven when driving motor 346 rotates
It is dynamic, it drives transmission belt 33 to be driven with this, drives hermatic door 21 to slide with this and cover 1 entrance of warehouse.
When hermatic door 21 is moved to close to inlet edge, infrared sensor 41 is triggered, and controller 42 controls electromagnet 35
Power-off, 35 demagnetization of electromagnet make sliding sleeve 343 slide reset under the action of spring element 37 with this.Sliding block 341 enters pilot hole
In 322, driving wheel 32 is separated with transmission belt 33, slipping phenomenon occurs between driving wheel 32 and transmission belt 33, hermatic door 21 is used
Property under continue to move to slow down simultaneously and gradually cover 1 entrance of warehouse.Facilitate operator to carry out manual fine-tuning simultaneously, reduces sealing
The gap of door 21 and 1 inlet edge of warehouse, avoids 21 overmigrate of hermatic door with this, avoids the leakage of cold air, improves energy benefit
With rate.
Driving motor 251 drives screw rod 24 to rotate later, and band piston 23 slides in air accumulator 22 when screw rod 24 rotates,
Gas is blasted in air bag 26 with this.26 capacity of air bag, which increases, reduces the gap between hermatic door 21 and inlet edge with this, subtracts
The loss of few cooling capacity reduces energy consumption, the gas for shortening food preservation time such as improves resource utilization, while reducing extraneous oxygen
Entrance, extend the fresh keeping time of food etc..
Refrigeration mechanism 11 reduces the article temperature in warehouse 1, and negative pressure mechanism 12 extracts the gas in warehouse 1, removes oxygen
Deng the gas for shortening food preservation time, it is filled with part nitrogen later with equilibrium air pressure, the air pressure in warehouse 1 is made to be lower than the external world,
Reduce temperature recovery caused by air pressure is gone up.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of sealed negative-pressure freezer, it is characterised in that: including warehouse (1), be arranged refrigeration mechanism (11) in warehouse (1),
Sealing mechanism (2) in warehouse (1) inlet is set, and connect with warehouse (1) for manufacturing negative pressure ring in the warehouse (1)
The negative pressure mechanism (12) in border, the sealing mechanism (2) include covering the hermatic door (21) being located on entrance, being arranged in hermatic door (21)
Piston (23) that interior air accumulator (22), directional-sliding are arranged in air accumulator (22), pass through air accumulator (22) end wall and with work
Fill in (23) be threadedly coupled screw rod (24), driving screw rod (24) rotation actuator (25), and setting hermatic door (21) with
The air bag (26) of the opposite side of inlet edge, the screw rod (24) and air accumulator (22) are rotatablely connected, air bag (26) ring
Circumferentially it is arranged around hermatic door (21), the air bag (26) is connected to air accumulator (22) far from the one end of screw rod (24), and the gas
Capsule (26) abuts after heaving with inlet edge.
2. a kind of sealed negative-pressure freezer according to claim 1, it is characterised in that: be provided with biography on the hermatic door (21)
Dynamic component (3), the transmission component (3) include be arranged on warehouse (1) outer wall for hermatic door (21) sliding guide rail (31),
The transmission belt (33) for being rotatably arranged on the driving wheel (32) at guide rail (31) both ends and being set on driving wheel (32), Yi Jishe
The driving part (34) on guide rail (31) to drive driving wheel (32) to rotate is set, the transmission belt (33) and hermatic door (21) are even
It connects.
3. a kind of sealed negative-pressure freezer according to claim 2, it is characterised in that: in being offered in the driving wheel (32)
Chamber (321), equally angularly spaced in the peripheral surface of the driving wheel (32) to be equipped with pilot hole (322), the driving part
(34) include sliding be arranged sliding block (341) in pilot hole (322), with driving wheel (32) co-axially fixed drive rod (342),
Be set on drive rod (342) and the sliding sleeve (343) with drive rod (342) sliding connection, and with sliding sleeve (343) peripheral surface
Hinged strut (345), the strut (345) and sliding sleeve (343) glide direction are cut with scissors in angle and one end and sliding block (341)
It connects, is spaced apart along its length on the transmission belt (33) and is equipped with the through-hole (331) mating with sliding block (341), it is described
Output shaft and drive rod (342) co-axially fixed driving motor (346) are provided on warehouse (1).
4. a kind of sealed negative-pressure freezer according to claim 3, it is characterised in that: be connected with and lead on the sliding sleeve (343)
Magnetic sheet (344) is provided with electromagnet (35) on warehouse (1) outer wall, is electrically connected on the electromagnet (35) for controlling
Electromagnet (35) is powered to adsorb the contact-making switch (36) of magnetic conduction sheet (344), and one end of the sliding sleeve (343) is provided with and warehouse
(1) spring element (37) connected.
5. a kind of sealed negative-pressure freezer according to claim 4, it is characterised in that: be provided with detection on the warehouse (1)
Component (4), the detection components (4) include being arranged on inlet side edge and with hermatic door (21) relatively to detect hermatic door
(21) infrared sensor (41) of position, and be arranged on warehouse (1) and be electrically connected with infrared sensor (41) to receive electricity
The controller (42) of signal, the controller (42) are electrically connected to control electromagnet (35) power on/off with electromagnet (35).
6. a kind of sealed negative-pressure freezer according to claim 2, it is characterised in that: square along its length in the guide rail (31)
To offering accommodation groove (311), it is provided with heating wire (313) in the accommodation groove (311), the bottom wall of the accommodation groove (311)
On offer deflector hole (312).
7. a kind of sealed negative-pressure freezer according to claim 2, it is characterised in that: be provided with solution on the hermatic door (21)
Latch mechanism (5), the unlocking mechanism (5) include that the first clamping piece (51) connecting with hermatic door (21) and hermatic door (21) slide
The second intermediate plate (52) of connection, the rack gear (53) being connect with second intermediate plate (52), the gear with hermatic door (21) rotation connection
(54), hermatic door (21) are passed through and extend to the handle (55) in warehouse (1), and are used for the locking member of lock handle (55)
(56), the gear (54) engages connection with rack gear (53), when the second intermediate plate (52) slides close to first clamping piece (51) and
Transmission belt (33) are clamped with first clamping piece (51).
8. a kind of sealed negative-pressure freezer according to claim 7, it is characterised in that: the hermatic door (21) leans on warehouse (1)
Interior side offers sliding slot (211), and the locking member (56) includes the annular gear ring that sliding is arranged in sliding slot (211)
(561) and both ends are separately connected the elastic slice (562) of sliding slot (211) bottom wall Yu annular gear ring (561), the annular gear ring
(561) gear teeth one side being distributed on is vertical with face where annular gear ring (561), the gear teeth being distributed on the annular gear ring (561)
Face where another side and annular gear ring (561) is in angle, and the one end of the handle (55) far from gear (54) is L-shaped, and described the
Inclined-plane sliding and and ring of two intermediate plates (52) towards handle (55) when first clamping piece (51) movement on annular gear ring (561) gear teeth
Shaped ring gear (561) gear teeth are engaged by clamping.
9. a kind of sealed negative-pressure freezer according to claim 1, it is characterised in that: lean on entrance on warehouse (1) outer wall
Top be provided with air blower (6), be provided with induced duct (61) on warehouse (1) outer wall, the induced duct (61) is far from close
One side opening of closure door (21) is connected to the air outlet of air blower (6), the air outlet of the induced duct (61) and entering for warehouse (1)
Mouth is wide, is hinged with adjustable plate (62) on induced duct (61) inner wall.
10. a kind of sealed negative-pressure freezer according to claim 9, it is characterised in that: be provided on warehouse (1) outer wall
Output shaft and adjustable plate (62) co-axially fixed adjusting motor (63) are provided with and ground phase in warehouse (1) top exterior walls
Pair the infrared probe (64) entered and left for testing staff, be provided on the warehouse (1) be electrically connected with infrared probe (64) with
The electric controller (65) of infrared probe (64) electric signal is received, the electric controller (65) is electrically connected with motor (63) are adjusted to control and adjust
Save the start and stop of motor (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910330596.4A CN109990541B (en) | 2019-04-23 | 2019-04-23 | Sealed negative pressure freezer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910330596.4A CN109990541B (en) | 2019-04-23 | 2019-04-23 | Sealed negative pressure freezer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109990541A true CN109990541A (en) | 2019-07-09 |
| CN109990541B CN109990541B (en) | 2024-04-26 |
Family
ID=67132877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910330596.4A Active CN109990541B (en) | 2019-04-23 | 2019-04-23 | Sealed negative pressure freezer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109990541B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350620A (en) * | 2020-03-17 | 2020-06-30 | 谢星 | Diesel oil tank temperature control device utilizing principle of expansion with heat and contraction with cold |
| CN112568694A (en) * | 2019-09-30 | 2021-03-30 | 佛山市顺德区美的电热电器制造有限公司 | Cooking control method, cooking control device, cooking appliance and computer readable storage medium |
| CN112758064A (en) * | 2021-01-27 | 2021-05-07 | 淄博爱科工矿机械有限公司 | Parking brake hydraulic device of explosion-proof trackless rubber-tyred vehicle |
| CN112970936A (en) * | 2021-03-24 | 2021-06-18 | 安徽好味道饲料科技有限公司 | Utilization method of waste liquid for biological fermentation of feed |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202648302U (en) * | 2012-04-26 | 2013-01-02 | 澳柯玛股份有限公司 | Electric refrigerator with touch-type door body opening and closing device |
| CN104930796A (en) * | 2014-03-21 | 2015-09-23 | 北京福瑞通科技有限公司 | Air-tight door |
| CN205525714U (en) * | 2016-04-22 | 2016-08-31 | 叶林军 | Chemistry seal pot for items stored |
| CN105925288A (en) * | 2016-06-29 | 2016-09-07 | 内蒙古科技大学 | Rotary type air inflating gate and negative pressure coal pyrolyzing furnace using rotary type air inflating gate |
| CN206556342U (en) * | 2017-01-13 | 2017-10-13 | 望家欢农产品集团有限公司 | Automatic cold-storage door |
| CN108426413A (en) * | 2018-04-19 | 2018-08-21 | 青岛海尔股份有限公司 | Opposite opened door body assembly and refrigerator |
| CN108726122A (en) * | 2018-06-12 | 2018-11-02 | 贵州大学 | A kind of coal mining transport device with screening function |
| CN208075429U (en) * | 2018-04-03 | 2018-11-09 | 朱秋 | A kind of door that sealing effect is good |
| CN208205585U (en) * | 2018-05-22 | 2018-12-07 | 刘清泉 | A kind of freezer sliding door |
| CN209840501U (en) * | 2019-04-23 | 2019-12-24 | 绍兴华宝制冷设备有限公司 | Sealed negative pressure freezer |
-
2019
- 2019-04-23 CN CN201910330596.4A patent/CN109990541B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202648302U (en) * | 2012-04-26 | 2013-01-02 | 澳柯玛股份有限公司 | Electric refrigerator with touch-type door body opening and closing device |
| CN104930796A (en) * | 2014-03-21 | 2015-09-23 | 北京福瑞通科技有限公司 | Air-tight door |
| CN205525714U (en) * | 2016-04-22 | 2016-08-31 | 叶林军 | Chemistry seal pot for items stored |
| CN105925288A (en) * | 2016-06-29 | 2016-09-07 | 内蒙古科技大学 | Rotary type air inflating gate and negative pressure coal pyrolyzing furnace using rotary type air inflating gate |
| CN206556342U (en) * | 2017-01-13 | 2017-10-13 | 望家欢农产品集团有限公司 | Automatic cold-storage door |
| CN208075429U (en) * | 2018-04-03 | 2018-11-09 | 朱秋 | A kind of door that sealing effect is good |
| CN108426413A (en) * | 2018-04-19 | 2018-08-21 | 青岛海尔股份有限公司 | Opposite opened door body assembly and refrigerator |
| CN208205585U (en) * | 2018-05-22 | 2018-12-07 | 刘清泉 | A kind of freezer sliding door |
| CN108726122A (en) * | 2018-06-12 | 2018-11-02 | 贵州大学 | A kind of coal mining transport device with screening function |
| CN209840501U (en) * | 2019-04-23 | 2019-12-24 | 绍兴华宝制冷设备有限公司 | Sealed negative pressure freezer |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112568694A (en) * | 2019-09-30 | 2021-03-30 | 佛山市顺德区美的电热电器制造有限公司 | Cooking control method, cooking control device, cooking appliance and computer readable storage medium |
| CN112568694B (en) * | 2019-09-30 | 2021-11-02 | 佛山市顺德区美的电热电器制造有限公司 | Cooking control method, cooking control device, cooking appliance and computer readable storage medium |
| CN111350620A (en) * | 2020-03-17 | 2020-06-30 | 谢星 | Diesel oil tank temperature control device utilizing principle of expansion with heat and contraction with cold |
| CN112758064A (en) * | 2021-01-27 | 2021-05-07 | 淄博爱科工矿机械有限公司 | Parking brake hydraulic device of explosion-proof trackless rubber-tyred vehicle |
| CN112758064B (en) * | 2021-01-27 | 2022-02-25 | 淄博爱科工矿机械有限公司 | Parking brake hydraulic device of explosion-proof trackless rubber-tyred vehicle |
| CN112970936A (en) * | 2021-03-24 | 2021-06-18 | 安徽好味道饲料科技有限公司 | Utilization method of waste liquid for biological fermentation of feed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109990541B (en) | 2024-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109990541A (en) | A kind of sealed negative-pressure freezer | |
| CN107630624A (en) | A kind of agricultural product freezer automatically-controlled door | |
| CN112229127A (en) | Device capable of helping food to cool and put into refrigerator | |
| CN111677397A (en) | Magnetic control type freezer door easy-opening system | |
| CN203298550U (en) | Mobile wireless digital display cool storage and refrigeration multifunctional freezer | |
| CN209840501U (en) | Sealed negative pressure freezer | |
| CN208804946U (en) | A kind of energy conservation and environmental protection reach in freezer | |
| CN107187756A (en) | A kind of frozen products insulated container | |
| CN206919489U (en) | Cryogenic freezing cabinet is used in one kind refrigeration | |
| CN206556331U (en) | It is a kind of to be easy to mobile intelligent refrigerator | |
| CN206665350U (en) | A kind of winter stores short-term preservation device with fruits and vegetables | |
| CN210861887U (en) | Fresh-keeping storage device capable of being rapidly frozen | |
| CN108224871B (en) | Food fresh-keeping refrigerator | |
| CN108207933B (en) | Cord blood stem cell freezen protective case | |
| CN109405386B (en) | Device for preventing internal icing and removing of internal and external gas exchange by opening refrigeration door | |
| CN209594673U (en) | A kind of fresh quick freezing unit | |
| CN217929353U (en) | Take defroster's freezer | |
| CN207797483U (en) | Frozen products insulated container | |
| CN108679911A (en) | A kind of refrigeration equipment | |
| CN207006685U (en) | A kind of quick freezing repository | |
| CN211204589U (en) | Freezer convenient to open and shut storehouse door | |
| CN207383423U (en) | A kind of melon fruit preservation device | |
| CN205536880U (en) | Prevent flat plasma quick -frozen machine of tong | |
| CN216694151U (en) | Energy-saving freezer | |
| CN207379155U (en) | A kind of cold-storage door for improving sealing effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |