CN102261749A

CN102261749A - solar oven

Info

Publication number: CN102261749A
Application number: CN2011101521407A
Authority: CN
Inventors: 张其明
Original assignee: Individual
Current assignee: Anhui Yinglu Sesame Oil Co ltd
Priority date: 2011-05-30
Filing date: 2011-05-30
Publication date: 2011-11-30
Anticipated expiration: 2031-05-30
Also published as: CN102261749B

Abstract

The invention discloses a solar oven, belonging to the field of solar cookers. Sunlight heat energy is collected by utilizing a multi-loop working system and a spotlighting type day lighting mechanism. The collected sunlight heat energy is transmitted to a three-way valve firstly. The collected sunlight heat energy circulates through a three-way valve distribution system. The system generates three circulation loops so as to form three functions of collecting sunlight to directly bake foods, collecting and storing the sunlight heat energy for future use and using the stored spare heat energy to heat foods. Foods can be processed by the oven indoors by utilizing the three functions. A vacuum heat preservation method is adopted in the oven. A vacuum heat insulation physical performance is utilized. The vacuum heat preservation is adopted for heat preservation of a heat storage device and a heat energy conveying oven. Therefore, the heat energy is stored and conveyed and used for processing foods in a closed manner. Foods can be processed regardless of the presence of the sunlight.

Description

The solar energy baker

The solar energy baker is to belong to the solar energy stove field.

Background technology: solar energy has the indoor kitchen range (Fig. 1) of heat-storing device, and (application number: 201110117747.4), the solar energy baker is according to new developing, and solar energy has the principle of the indoor kitchen range of heat-storing device, the solar energy baker new product of developing.

Design concept: the solar energy baker is divided into outdoor and indoor two parts, and outdoor is daylighting mechanism (light harvesting pipe), and indoor is heat-storing device and baker.Daylighting mechanism utilizes paraboloidal reflector (concentrator) optically focused, on vacuum heat-preserving light harvesting pipe, more thermal energy is absorbed by the light harvesting pipe; Indoor, baker adopts the heat exchange heating plate to be connected with system, adopts the vacuum heat-preserving method that baker is incubated.Heat-storing device also adopts the vacuum heat-preserving insulation.Utilize the vacuum heat-preserving system pipeline, vacuum heat-preserving light harvesting pipe, the heat exchanger in baker and the heat-storing device links together, and has formed the work loop, puts into heat transfer medium in pipeline, can carry heat energy in work system.Heat transfer medium circulates in system, and the sunlight heat energy that daylighting mechanism is gathered is transported to directly heat food (Fig. 2) of heat exchange baker.Also right to be transported to heat exchanger and heat-storage medium heat-shift store for future use (Fig. 3).The no solar time also can be used the heat energy heat food (Fig. 4) that stores for future use at any time

Technical scheme:

1 heat transfer medium adopts cotton seed oil, because of cotton seed oil is that liquid can flow.Heat-carrying temperature height, heat-storage medium adopts calcium chloride hexahydrate, utilizes the latent heat heat energy storage.

2, the technical scheme of daylighting mechanism.The design of design: daylighting mechanism is a heat exchange mechanism of gathering sunlight heat energy.The light harvesting pipe is and the heat-exchanging piece of sun heat-shift will make the light harvesting pipe can reach higher heat, employing paraboloidal antenna optically focused (concentrator).The mode of optically focused is, parabolic focus is the light harvesting pipe, and optically focused is a line.For sunlight from morning to night can both be accumulated on the light harvesting pipe, make concentrator can follow sun rotation.Solar tracking mechanism is arranged.Concentrator can automatic positive and negative rotation.Make concentrator 45 degree that tilt east morning, follow the tracks of the sun to oblique 45 degree of square neck westwards at dusk.

The design of light harvesting pipe: by the reflecting condensation of the paraboloid of revolution, the light harvesting pipe can be warmed up to several Baidu very soon.The light harvesting pipe is exposed to occurring in nature and several Baidu of the nature temperature difference.The light harvesting pipe can produce antiradiation.Descend because of antiradiation makes temperature, the light harvesting pipe is just gathered less than high temperature heat.Allow the light harvesting pipe can gather high temperature heat to be transported to indoor for making.Will take insulation to handle to the light harvesting pipe.The technical scheme that adopts is: (Fig. 5, Fig. 6) (Fig. 7's light harvesting core barrel Fig. 8) is nested with glass-vacuum tube.Space opening part sealing between two pipes, and injection argon gas after vacuumizing (Fig. 9, Figure 10).But the effect of argon gas not only has heat-insulating property here, and cover glass vacuum tube inner layer glass importantly, can be by the antiradiation of light harvesting core barrel, and make the inner layer glass too high ruined effect that heats up.The light harvesting pipe go out the inlet pipe mouth, be connected (Fig. 2) with indoor heat exchange pot or heat exchanger connects (Fig. 3), to produce the work loop.

The design of concentrator: the effect of concentrator is that parabolical flashing back the sunlight accumulated on the light harvesting pipe, can sun rotation by root.Design is, earlier concentrator support of processing (Figure 13, Figure 14).(Figure 11, Figure 12) (Figure 15 Figure 16) is connected with the concentrator support concentrator to use hollow bearing again.Concentrator just can be done rotation on the concentrator support, the light harvesting pipe passes in hollow bearing.The light harvesting pipe just becomes the focus of concentrator.Concentrator is the axle center rotation with the light harvesting pipe.The concentrator sunlight reflected becomes a line to be absorbed by the light harvesting pipe.(Figure 17, Figure 18)

The design of solar tracking mechanism: solar tracking mechanism is that (Figure 21) (Figure 22, Figure 23), (Figure 24 Figure 25) waits composition to helical wheel with a month tooth for Figure 19, Figure 20 by speed changer.The motor speed of speed changer is 1440 commentaries on classics, and the 10 hours total rotating speeds of working every day are 864000 commentaries on classics.Be designed to three gear stages.The first order is a worm-drive, changes than being commentaries on classics in 144: 1; The second level is worm-drive, changes than being commentaries on classics in 60: 1.Two-stage is always changeed than being commentaries on classics in 8640: 1.Transmission output shaft is commentaries on classics in 6 minutes 1, and change every days 100.Concentrator tilt eastwards 45 the degree rotate to westwards tilt 45 the degree just in time be 100 teeth.With speed changer output engagement.Because of concentrator will return 45 degree that tilt east night, speed changer adopts worm gear reducer.So bevel gear is adopted in third level transmission, does break-in transmission (idle pulley).Make the positive and negative rotation of output shaft energy.The moon, tooth was installed in the bottom and the helical wheel engagement of concentrator, and helical wheel is by the engagement of the bevel gear on bevel gear and the transmission output shaft, and (Figure 26) speed changer is installed on the concentrator support.Bevel gear on the speed changer deceleration rear output shaft through the transmission of helical wheel with month tooth, can be cooked slowly concentrator and rotates back and forth.Concentrator can satisfy the operate as normal of following the tracks of the sun.So concentrator sooner or later can be to thing 45 degree that tilt.

Automatically the design of break-in shift fork: (Figure 29 Figure 30), is that springboard group is up and down arranged to the break-in shift fork, and the springboard group has crank, springboard, extension spring, composition such as support springboard group automatically.Last springboard group be installed in speed changer on cover, following springboard group is installed in the speed changer, connects with connecting rod, the crank of following springboard group is connected with shift fork, shift fork is connected with the bevel gear tube connector.Bevel gear z5 and z6 are connected bevel gear tube connector two, and shift fork passes guide post, can parallelly move.Drive bevel gear z5 and z6 moved when shift fork moved, and bevel gear z5 leaves bevel gear z7, bevel gear z6 and the reverse rotation of bevel gear z7 engagement transmission output shaft.Concentrator is reverse rotation also, when concentrator rotates to 45 when spending, driving lever has been installed about on the concentrator, and left driving lever can promote the crank of springboard group, and crank is moved, and moves to certain position, and last springboard group is beated under the pulling of extension spring.Springboard has moved the position.Cause is the springboard of springboard group up and down, has connecting rod to connect, and the springboard of springboard group moves under driving, and following springboard group is also beated under the pulling of extension spring.Drive the shift fork translation.Make bevel gear z6 leave bevel gear z7, bevel gear z5 and bevel gear z7 engagement.Concentrator is reverse rotation again, and at this moment, timer disconnects motor power two hours, motor energising after two hours, and concentrator begins rotation again.Concentrator rotates to 45 when spending, and the crank that the right driving lever of installing on the concentrator promotes to go up the springboard group moves.Repeat above action.Direction is opposite.The service condition of shift fork is to lean on the crank of the last springboard group of driving lever promotion on the concentrator to move the automatic break-in of realization.

The design of mounting bracket: the daylighting mechanism design two kinds of installation forms, a kind of is that metope is installed, use installing rack (Figure 27, Figure 28) and connecting rod (Figure 31 is Figure 32) with concentrator holder combination formation metope mounting bracket.(Figure 37) be installed on the metope to the south.It mainly is use to skyscraper that metope is installed, skyscraper with each layer downstairs common mounting condition is arranged all upstairs.A kind of is that roofing is installed, use foreleg (Figure 33, Figure 34) and back leg (Figure 35 is Figure 36) with concentrator holder combination formation roofing support.(Figure 17) roofing support can be installed in roofing, and platform is with places such as ground.The roofing installation mainly is the use to the scattered house in rural area.

3 heat-storing devices: heat-storing device is insulation casing just in fact, in the insulation casing, heat exchanger and heat-storage medium are installed, (calcium chloride hexahydrate) system utilizes heat transfer medium that heat energy is transported to heat exchanger, with the calcium chloride hexahydrate heat-shift, calcium chloride hexahydrate has absorbed heat energy liquefaction, and heat energy just is stored in the calcium chloride hexahydrate standby.Heat food in needs.(Fig. 4) the daylighting mechanism of baker (Figure 17 is to adopt parabola optically focused (concentrator) Figure 18).Heat transfer medium in the light harvesting pipe is warmed up to more than 500 ℃ very soon, and the sunlight of collection is high temperature heat, and with several Baidu of circumstance of temperature difference, thermal storage device is under the situation that stores high temperature heat, and thermal storage device can produce antiradiation and make the very fast decline of temperature.General insulation material is difficult to realize being incubated high temperature heat for a long time.Whether thermal storage device can the long term storage high temperature heat, and just the solar energy baker has the key issue whether heat-storing device can be set up.For energy long term storage high temperature heat, the scheme of taking is: without the insulation material insulation, adopt the vacuum heat-preserving method.Utilize the adiabatic physical property insulation of vacuum.The method that adopts is: casing is processed into double-layer boxed cofferdam, and at the mezzanine space of inside and outside boxboard, (Figure 38, Figure 39), Sealed sandwich is evacuated the air of interlayer again to put into reinforcing mat.Because of having put into reinforcing mat in the interlayer, to the reinforcement of wooden partition inside and outside the casing.Casing has guaranteed the original volume of vacuum layer vacuumizing the suction generation distortion of Shi Buhui because of vacuum, and vacuum layer has also just become heat-insulation layer.This laminated vacuum case has also just become vacuum heat-preserving case (Figure 40).Heat exchanger (Figure 41) is installed in case, is put into calcium chloride hexahydrate, heat exchanger be connected with the work system of solar energy baker (Fig. 2, Fig. 3, Fig. 4).Heat exchanger also just becomes the heat-exchanging piece of heat-storing device, and the vacuum heat-preserving case has also just become vacuum heat-preserving thermal storage device (Figure 42).The solar energy baker just can utilize the heat transfer medium in the system, and the sunlight heat energy of gathering is transported to heat exchanger and calcium chloride hexahydrate heat-shift, and is standby in calcium chloride hexahydrate the sunlight thermal energy storage of gathering.Heat energy is enclosed among the vacuum, with the environment heat of determining.It is standby that the solar energy baker just can the long term storage high temperature heat.

4 bakers: ((Figure 46 Figure 47) waits composition to baker Figure 54) interior case, outer container and drip pan for Figure 52, Figure 53.(Figure 45) top and bottom respectively designs heating plate to interior case for Figure 43, Figure 44, just the heat-exchanging piece of food heat-shift.Heating plate adopts the interlayer helical duct, can pass through heat transfer medium, and system is transported to heating plate to heat transfer medium, behind the food heat-shift in heating plate and baker, and the recirculation of backspace work system.Interior case has designed the runway of drip pan, and food is placed on to insert on the runway on the drip pan and toasts.(Figure 48, Figure 49 are that the food that is toasting is incubated Figure 50) to outer container, the method of insulation adopts the vacuum heat-preserving method, without insulation material, utilize the adiabatic physical property insulation of vacuum, outer container is processed into double-layer boxed cofferdam, the interlayer of casing put into reinforcing mat (Figure 38, Figure 39), sealing, again mezzanine space is evacuated, has just become vacuum heat-insulating layer, the vacuum heat-preserving method.The casing volume is little, good heat insulating.

The work system of 5 solar energy bakers: adopt the multiloop work system.Light harvesting pipe and sun heat-shift are arranged, utilize heat transfer medium that heat energy is transported to triple valve (Figure 58,59).Needs by people have the triple valve distribution system to do periodic duty.Direct heat food when triple valve allocation set light pipe and heat exchange pot are formed closed circuit, (Figure 56 Figure 57) can be to adjustment just (Fig. 2) by temperature regulation switch.When triple valve allocation set light pipe and heat exchanger are formed closed circuit, heat energy storage standby (Fig. 3) in the time of can Sui.When triple valve distributes the heat exchange pot to form closed circuit with heat exchanger, the heat energy heat food that utilization stores for future use in the time of can Sui.This moment, heat transfer medium can not circulate automatically, needed the promotion of periodic duty pump to circulate, and had adopted spiral working barrel (Figure 51) to promote heat transfer medium circulation (Fig. 4) heat food.(Figure 60 Figure 61) connects accessory employing vacuum heat-preserving system pipeline in the system, and the work system heat energy storage of baker is all worked in heat-seal with carrying heat energy, determines hot with nature.

The Figure of description explanation:

Fig. 1; Be that solar energy has the indoor kitchen range work system of heat-storing device gathering the standby figure of sunlight thermal energy storage.

Fig. 2; Be that solar energy baker work system is being gathered the direct heat food figure of sunlight heat energy.

Fig. 3; Be that solar energy baker work system is being gathered the standby figure of sunlight thermal energy storage.

Fig. 4; Be solar energy baker work system at the use heat energy heat food figure that stores for future use.

Fig. 5: light harvesting core barrel front view.

Fig. 6: light harvesting core barrel left view.

Fig. 7: glass-vacuum tube front view.

Fig. 8: glass-vacuum tube left view.

Fig. 9: vacuum collection insulation light harvesting pipe front view.

Figure 10: vacuum collection insulation light harvesting pipe left view.

Figure 11: hollow bearing front view.

Figure 12: hollow bearing left view.

Figure 13: concentrator support front view.

Figure 14: concentrator support left view.

Figure 15: concentrator front view.

Figure 16: concentrator left view.

Figure 17: daylighting mechanism chamber face support front view.

Figure 18: the chamber face support A-of daylighting mechanism is to view.

Figure 19: speed changer front view.

Figure 20: speed changer left view.

Figure 21: speed changer vertical view.

Figure 22: month tooth view.

Figure 23: month tooth profile of tooth enlarged drawing.

Figure 24: helical wheel front view.

Figure 25: helical wheel left view.

Figure 26: solar tracking mechanism driving figure.

Figure 27: installing rack front view.

Figure 28: installing rack left view.

Figure 29: the right driving lever of break-in shift fork promotes to go up the transmission diagram of crank automatically.

Figure 30: break-in shift fork left side driving lever promotes to go up the transmission diagram of crank automatically.

Figure 31: connecting rod front view.

Figure 32: connecting rod vertical view.

Figure 33: foreleg front view.

Figure 34: foreleg vertical view.

Figure 35: back leg front view.

Figure 36: back leg left view.

Figure 37: daylighting mechanism metope support installation diagram.

Figure 38: vacuum heat-preserving case reinforcing mat front view.

Figure 39: vacuum heat-preserving case reinforcing mat vertical view.

Figure 40; It is vacuum heat-preserving case view.

Figure 41; It is the heat exchanger view.

Figure 42; It is vacuum heat-preserving thermal storage device view.

Figure 43; It is interior case front view.

Figure 44; It is interior case left view.

Figure 45; It is interior case vertical view.

Figure 46; It is the drip pan front view.

Figure 47; It is the drip pan vertical view.

Figure 48; It is the outer container front view.

Figure 49; It is the outer container left view.

Figure 50; It is the outer container vertical view.

Figure 51; It is spiral working barrel view.

Figure 52; It is the baker front view.

Figure 53; It is the baker left view.

Figure 54; It is the baker vertical view.

Figure 55; It is the temperature regulation switch front view.

Figure 56; It is temperature regulation switch A face view.

Figure 57; It is the triple valve front view.

Figure 58; It is triple valve B face view

Figure 59: vacuum heat-preserving system pipeline figure.

Figure 60: the locating ring figure of vacuum heat-preserving system pipeline.

Claims

1. the solar energy baker is made up of outdoor and indoor two parts, and outdoor is daylighting mechanism, and indoor is heat-storing device and baker.There are vacuum heat-preserving light harvesting pipe, concentrator, solar tracking mechanism in daylighting mechanism.Automatic side steering, the metope mounting bracket.Solar tracking takes mechanism a moon tooth, helical wheel, speed changer.Daylighting mechanism is characterized in that, 1. vacuum heat-preserving light harvesting pipe has adopted vacuum heat-preserving, has stoped the antiradiation of light harvesting core barrel to make whole being transported to indoor heat food and storing for future use of sunlight heat energy of collection.Adopted argon shield glass-vacuum tube inner layer glass.Can do not destroyed the glass-vacuum tube inner layer glass by the antiradiation of light harvesting core barrel.2. concentrator has adopted hollow bearing that concentrator is connected the concentrator support, so concentrator can be done gyration on the concentrator support, the light harvesting pipe can be installed in the hollow bearing, becomes the focus of concentrator, and concentrator can be the axle center revolution with the light harvesting pipe.3. speed changer has adopted worm gear the two poles of the earth to slow down, and gear ratio is big, and volume is little.Adopted bevel gear break-in (idle pulley), made the positive and negative revolution of output shaft energy.4. solar tracking mechanism has adopted the helical wheel transmission to slow down, and has simplified transmission device.Indoor mainly is heat-storing device and baker.For organization system work increases triple valve, the spiral working barrel, temperature regulation switch adopts vacuum heat-preserving system pipeline connection fittings.It is characterized in that 1. heat-storing device has adopted the vacuum heat-preserving method, the heat energy sealing is stored in a vacuum, can the long term storage high temperature heat.2. baker has adopted the heat exchange heating plate, is convenient to and system in combination, can make heat transfer medium at heating plate and food heat-shift, has 3. adopted the vacuum heat-preserving method to reduce the volume of baker, has strengthened heat-insulating property.4. adopt triple valve, system works is combined into multiloop periodic duty system, make multiple function as long as a strong operation.5. adopted the spiral working barrel, can normal circulation when having guaranteed heat food.6. adopt temperature regulation switch, can carry out height fiery separate regulation up and down to temperature during cooking food.

2. according to claim 1, it is characterized in that, adopted automatic side steering, make concentrator tilt 45 ° eastwards morning, follow the tracks of the sun, tilt 45 ° westwards, return night and tilt 45 ° eastwards at dusk.

3. according to claim 1, it is characterized in that, adopted the metope mounting bracket, can make all has common mounting condition between the skyscraper levels.

4. according to claim 1, it is characterized in that, adopted vacuum heat-preserving system pipeline connection fittings, make and carry heat energy to be enclosed in vacuum to determine among the heat.