CN110200517A - Vacuum pipe solar oven - Google Patents
Vacuum pipe solar oven Download PDFInfo
- Publication number
- CN110200517A CN110200517A CN201910482860.6A CN201910482860A CN110200517A CN 110200517 A CN110200517 A CN 110200517A CN 201910482860 A CN201910482860 A CN 201910482860A CN 110200517 A CN110200517 A CN 110200517A
- Authority
- CN
- China
- Prior art keywords
- end cap
- vacuum tube
- right end
- left end
- food
- 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.)
- Pending
Links
- 235000013305 food Nutrition 0.000 claims abstract description 53
- 235000021168 barbecue Nutrition 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 238000013461 design Methods 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 5
- 230000000711 cancerogenic effect Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 4
- 231100000315 carcinogenic Toxicity 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 8
- 235000021178 picnic Nutrition 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 241001424688 Enceliopsis Species 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 239000003183 carcinogenic agent Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/07—Roasting devices for outdoor use; Barbecues
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/30—Solar heat collectors for heating objects, e.g. solar cookers or solar furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S2023/83—Other shapes
- F24S2023/832—Other shapes curved
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
- Y02A40/924—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation using renewable energies
- Y02A40/926—Cooking stoves or furnaces using solar heat
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
- Y02B40/18—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers using renewables, e.g. solar cooking stoves, furnaces or solar heating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Baking, Grill, Roasting (AREA)
- Cookers (AREA)
Abstract
The invention patent discloses a kind of vacuum pipe solar oven, it is characterized in that it is made of left end cap, right end cap, lower casing, upper casing, vacuum tube, camber reflection plate and food bowl assembly, the both ends of vacuum tube are separately mounted to left end cap, in the hole slot on right end cap, by semicircle tabletting with connection bolt fastening on left end cap, right end cap；Food bowl assembly is made of food groove handle, food groove slot box, sealing ring, and food groove slot box is logical to be put into inside vacuum tube, is sealed by sealing ring and vacuum tube port part, design has venthole on sealing ring；Camber reflection plate is plugged in left end cap, in the notch in right end cap, forms the camber reflection plate of fixed shape；Upper casing is connect by hanging hook assembly with lower casing.Rationally with device structure design, small in size easy to carry, pollution-free, high reliablity is at low cost, solves conventional barbecue heat source and needs to consume that the energy, environmental pollution is serious, easily generates safety accident, food burns and generate carcinogenic defect.
Description
Technical field
The present invention relates to a kind of solar heat collector, especially a kind of vacuum pipe solar for roasting heating food
Oven.
Background technique
With the increasingly raising of socio-economic development and people's living standard, various baked foods are constantly by people
Favor, barbecue kind, barbecue quality requirement it is higher and higher, barbecue form, barbecue place require it is also higher and higher.It is domestic at present
The heat source that barbecue industry uses is mainly derived from charcoal baking, electricity barbecue or liquefied gas barbecue, and major advantage is barbecue heating speed
Degree is fast, but there is also many disadvantages, first is that needing to consume the more energy, roasts higher cost, and it is dirty to generate a large amount of environment
Dye, second is that needing to be equipped with special barbecue device, volume is big, and cost is high, and there are inconvenient to use and easily produce in use process
The insecurity factors such as raw serious fire, electric leakage, explosion generate cause third is that be easy to causeing excessively burning, go bad for baked foods
Disease substance especially carcinogen, the serious health for damaging people.
Summary of the invention
The purpose of the present invention is: it is more, at high cost for energy consumption present in existing barbecue heat resource equipment technology
Environmental pollution is serious, inconvenient to use, easily generation safety accident, baked foods are rotten especially is easy to generate pathogenic carcinogenic substance
The deficiency of matter provides a kind of vacuum pipe solar oven, and core is the accommodating food slot in vacuum tube, and sunray passes through true
Luminous energy is converted to heat by blank pipe, for heating the food in food groove, can be used as long as having sunlight and without other energy
Source, device structure design is rationally, small in size easy to carry, pollution-free, using no surcharge, solves conventional barbecue heat
Source need to consume the energy, environmental pollution is serious, easily generate safety accident defect, while also avoid food burn generation cause
The risk of cancer object uses especially suitable for the outgoing picnic of family, tourism or nomadic region, solves existing in the prior art ask
Topic.
The present invention to solve above-mentioned technical problem used by technical solution be: the vacuum pipe solar oven mainly by
Left end cap, right end cap, lower casing, upper casing, vacuum tube, camber reflection plate and food bowl assembly composition, the lower casing and left end cap,
Right end cap forms main support after riveting respectively；The both ends of the vacuum tube are separately mounted to left end cap, the hole on right end cap
In slot, by semicircle tabletting with connection bolt fastening on left end cap, right end cap, vacuum tube be located at left end cap, right end cap, on
In the shell that shell, lower casing form；The food bowl assembly is made of food groove handle, food groove slot box, sealing ring, food groove
Slot box is put into inside vacuum tube by the port part of vacuum tube, is sealed by sealing ring and vacuum tube port part, is set on sealing ring
In respect of the venthole of air circulation；The camber reflection plate is plugged in left end cap, the reflecting plate notch in right end cap respectively
It is interior, form the camber reflection plate of fixed shape；The upper casing is connect by hanging hook assembly with lower casing, and hanging hook assembly rivets respectively
In on upper casing and lower casing, upper casing is removed in barbecue.
Vacuum pipe solar oven of the present invention using the above structure, in use, upper casing can be with after opening hanging hook assembly
It removes, after removing upper casing, vacuum pipe solar oven is placed on the place energy normal use of sunlight, without to equipment
Camber reflection plate is adjusted, and food groove slot box is put into inside vacuum tube by the port part of vacuum tube, by sealing ring and very
The sealing of blank pipe port part avoids the heat losses inside vacuum tube, and design has the venthole of air circulation on sealing ring, can be true
Thermal loss is not only reduced in fidelity blank pipe heating process, but also can ensure that pressure and atmospheric pressure in vacuum tube are consistent, food
Object is put into food groove slot box, is then held the entire food bowl assembly of food groove hadle and is put into vacuum tube along axial direction, baked
And then take out, the pressure generated in heating process is balanced by the notch on sealing ring, and vacuum tube is relatively large in diameter, energy
More food is once roasted, can also be used to heat other foods for having juice.The upper casing of the vacuum pipe solar oven,
Lower casing, left end cap and right end cap link together, and vacuum tube is trapped among centre, form protection wall, avoid using transportational process
Middle appearance is because of vacuum tube breakage caused by bumping to vacuum tube.Compared with prior art, there is beneficial effect following prominent, it should
Equipment uses solar energy clean energy resource, luminous energy is transformed into thermal energy with vacuum tube, no smoke fire is roasting, and energy conservation and environmental protection, safety are without dirt
Dye, health scorch tool, be suitable for tourism, picnic, fisherman, grassland, forestry, plateau, desert, sentry post, ocean, tourist attraction
Deng, and without other costs of use.Rationally with device structure design, small in size easy to carry, it is pollution-free, using not attached
Add expense, high reliablity is at low cost, it is easy to accomplish the outstanding features such as batch production solve conventional barbecue heat source and need to consume
The energy, environmental pollution is serious, easily generates the defect of safety accident, while also avoiding food and burning the carcinogenic wind of generation
Danger is used especially suitable for the outgoing picnic of family, tourism or nomadic region.
As an improvement of the present invention, for the vacuum tube axial direction by retainer ring spacing, retaining ring is fastened on the right side by screw
On end cap, after screw of dismantling, retaining ring and semicircle tabletting, vacuum tube can be dismounted from right side, be beneficial for disassembly and assembly maintenance and cleaning
Remain sundries.
As a further improvement of the present invention, vacuum pipe solar barbecue furnace shell shape is the length of tetragonous round-corner transition
Cube, top are equipped with handle, it are made to carry, handle and load, using more convenient.
Detailed description of the invention
Attached drawing 1 is the invention patent vacuum pipe solar oven longitudinal direction section schematic cross-sectional view；
Attached drawing 2 is the oven sectional view along A-A of the invention patent vacuum pipe solar shown in Fig. 1；
Attached drawing 3 is the surface structure schematic diagram of the oven of the invention patent vacuum pipe solar shown in Fig. 1.
In figure: 1, left end cap, 2, vacuum tube, 3, food groove slot box, 4, lower casing, 5, camber reflection plate, 6, right end cap, 7, food
Object slot handle, 8, sealing ring, 9, screw, 10, retaining ring, 11, upper casing, 12, handle, 13, hanging hook assembly, 14, connection bolt, 15,
Semicircle tabletting.
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, the vacuum pipe solar oven of the present invention is mainly by left end cap 1, right end cap 6, lower casing
4, upper casing 11, vacuum tube 2, camber reflection plate 5 and food bowl assembly composition, the lower casing 4 and left end cap 1, right end cap 6 are distinguished
Main support is formed after riveting；The both ends of the vacuum tube 2 are separately mounted to left end cap 1, in the hole slot on right end cap 6, lead to
More than half round tablets 15 are fastened on left end cap 1, on right end cap 6 with connection bolt 14, vacuum tube 2 be located at left end cap 1, right end cap 6,
In the shell that upper casing 11, lower casing 4 form；The food bowl assembly is by food groove handle 7, food groove slot box 3,8 groups of sealing ring
At food groove slot box 3 is put into inside vacuum tube 2 by the port part of vacuum tube 2, close by sealing ring 8 and 2 port part of vacuum tube
It seals, design has the venthole of air circulation on sealing ring 8；The camber reflection plate 4, is plugged in left end cap 1, right end cap respectively
In reflecting plate notch in 6, the camber reflection plate 4 of fixed shape is formed；The upper casing 11 passes through hanging hook assembly 13 and lower casing 4
Connection, hanging hook assembly 13 are riveted on respectively on upper casing 11 and lower casing 4, remove upper casing 11 in barbecue.
Vacuum pipe solar oven of the present invention using the above structure, in use, opening upper casing 11 after hanging hook assembly 13
Can remove, after removing upper casing 11, vacuum pipe solar oven be placed on sunlight place can normal use, be not necessarily to pair
The camber reflection plate 5 of equipment is adjusted, and food groove slot box 3 is put into inside vacuum tube 2 by the port part of vacuum tube 2, is passed through
Sealing ring 8 and 2 port part of vacuum tube seal, and avoid the heat losses inside vacuum tube 2, design has air circulation on sealing ring 8
Venthole, it can be ensured that not only reduce thermal loss in 2 heating process of vacuum tube, but also can ensure that pressure in vacuum tube 2 and big
Air pressure is consistent, and food is put into food groove slot box 3, then holds food groove handle 7 entire food bowl assembly along axis
Baked and then take out to being put into vacuum tube 2, the pressure generated in heating process is flat by the notch on sealing ring
Weighing apparatus, vacuum tube 2 are relatively large in diameter, can once roast more food, can also be used to heat other foods for having juice.The vacuum
Upper casing 11, lower casing 4, left end cap 1 and the right end cap 6 of tube solar oven link together, and vacuum tube 2 is trapped among centre, shape
At protection wall, avoid using occurring in transportational process because of the breakage of vacuum tube 2 caused by bumping to vacuum tube 2.With the prior art
It compares, there is beneficial effect following prominent, which uses solar energy clean energy resource, luminous energy is transformed into heat with vacuum tube 2
Can, no smoke fire is roasting, and energy conservation and environmental protection, safety non-pollution, health scorch tool, is suitable for tourism, picnic, fisherman, grassland, woods
Industry, plateau, desert, sentry post, ocean, tourist attraction etc., and without other costs of use.Rationally with device structure design,
Small in size easy to carry, pollution-free, using no surcharge, high reliablity is at low cost, it is easy to accomplish batch production etc. is prominent
Feature solves conventional barbecue heat source and needs to consume the defect that the energy, environmental pollution is serious, easily generates safety accident, simultaneously
It also avoids food and burns the carcinogenic risk of generation, used especially suitable for the outgoing picnic of family, tourism or nomadic region.
As shown in Figure 1, as an improvement of the present invention, 2 axial direction of vacuum tube is limited by retaining ring 10, retaining ring 10 is logical
It crosses screw 9 to be fastened on right end cap 6, after screw 9 of dismantling, retaining ring 10 and semicircle tabletting 15, vacuum tube 2 can be torn open from right side
Dress is beneficial for disassembly and assembly maintenance and cleaning residual sundries.
As shown in figure 3, as a further improvement of the present invention, it is tetragonous circle which, which roasts furnace shell shape,
The cuboid of angle transition, top are equipped with handle 12, it are made to carry, handle and load, using more convenient.
The course of work is that vacuum pipe solar oven is placed on ground, makes the axis of vacuum tube 2 along east-west direction
(substantially vertical sunray) is placed, and the food that needs are heated is put into food groove slot box 3, then food groove slot box 3 is put
Enter in vacuum tube 2, sunray becomes heat through the absorption of vacuum tube 2, for heating the food in food groove slot box 3, is heated into
After ripe, then food bowl assembly is pulled out vacuum tube 2 and is eaten, is so recycled.
Above-mentioned specific embodiment cannot function as limiting the scope of the invention, remove technical characteristic described in the specification
Outside, place is not described in detail by the present invention, all is technically known to those skilled in the art.Those skilled in the art are come
It says, any alternate modification or transformation made to embodiment of the present invention are fallen within the scope of protection of the present invention.
Claims (3)
1. a kind of vacuum pipe solar oven, it is characterised in that: the vacuum pipe solar oven mainly by left end cap (1),
Right end cap (6), lower casing (4), upper casing (11), vacuum tube (2), camber reflection plate (5) and food bowl assembly composition, the lower casing
(4) main support is formed after riveting respectively with left end cap (1), right end cap (6)；It installs respectively at the both ends of the vacuum tube (2)
In the hole slot on left end cap (1), right end cap (6), left end cap is fastened on connection bolt (14) by semicircle tabletting (15)
(1), on right end cap (6), vacuum tube (2) is located at the shell of left end cap (1), right end cap (6), upper casing (11), lower casing (4) composition
It is interior；The food bowl assembly is made of food groove handle (7), food groove slot box (3), sealing ring (8), food groove slot box (3)
It is put into vacuum tube (2) inside by the port part of vacuum tube (2), is sealed by sealing ring (8) and vacuum tube (2) port part, it is close
Design has the venthole of air circulation in seal (8)；The camber reflection plate (4), is plugged in left end cap (1), right end respectively
It covers in the reflecting plate notch in (6), forms the camber reflection plate (4) of fixed shape；The upper casing (11) passes through hanging hook assembly
(13) it is connect with lower casing (4), hanging hook assembly (13) is riveted on respectively on upper casing (11) and lower casing (4), removes upper casing in barbecue
(11).
2. vacuum pipe solar oven according to claim 1, it is characterised in that: described vacuum tube (2) the axial direction side
Limited to by retaining ring (10), retaining ring (10) is fastened on right end cap (6) by screw (9), screw of dismantling (9), retaining ring (10) and
After semicircle tabletting (15), vacuum tube (2) can be dismounted from right side.
3. vacuum pipe solar oven according to claim 1 or 2, it is characterised in that: vacuum pipe solar barbecue
Furnace shell shape is the cuboid of tetragonous round-corner transition, and top is equipped with handle (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910482860.6A CN110200517A (en) | 2019-06-04 | 2019-06-04 | Vacuum pipe solar oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910482860.6A CN110200517A (en) | 2019-06-04 | 2019-06-04 | Vacuum pipe solar oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110200517A true CN110200517A (en) | 2019-09-06 |
Family
ID=67790836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910482860.6A Pending CN110200517A (en) | 2019-06-04 | 2019-06-04 | Vacuum pipe solar oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110200517A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111603063A (en) * | 2020-04-30 | 2020-09-01 | 山东龙普太阳能股份有限公司 | Vacuum tube solar barbecue oven |
| CN112545325A (en) * | 2021-01-19 | 2021-03-26 | 山东毫瓦特新能源有限公司 | Vacuum tube solar barbecue oven |
| CN112545324A (en) * | 2021-01-19 | 2021-03-26 | 山东毫瓦特新能源有限公司 | Vacuum tube solar barbecue oven |
| CN112568731A (en) * | 2021-01-19 | 2021-03-30 | 山东毫瓦特新能源有限公司 | Portable vacuum tube solar barbecue oven |
-
2019
- 2019-06-04 CN CN201910482860.6A patent/CN110200517A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111603063A (en) * | 2020-04-30 | 2020-09-01 | 山东龙普太阳能股份有限公司 | Vacuum tube solar barbecue oven |
| CN112545325A (en) * | 2021-01-19 | 2021-03-26 | 山东毫瓦特新能源有限公司 | Vacuum tube solar barbecue oven |
| CN112545324A (en) * | 2021-01-19 | 2021-03-26 | 山东毫瓦特新能源有限公司 | Vacuum tube solar barbecue oven |
| CN112568731A (en) * | 2021-01-19 | 2021-03-30 | 山东毫瓦特新能源有限公司 | Portable vacuum tube solar barbecue oven |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190906 |