WO2014019382A1 - 具有碳素烧烤管的微波炉 - Google Patents
具有碳素烧烤管的微波炉 Download PDFInfo
- Publication number
- WO2014019382A1 WO2014019382A1 PCT/CN2013/073880 CN2013073880W WO2014019382A1 WO 2014019382 A1 WO2014019382 A1 WO 2014019382A1 CN 2013073880 W CN2013073880 W CN 2013073880W WO 2014019382 A1 WO2014019382 A1 WO 2014019382A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- carbon
- tube
- barbecue
- microwave oven
- grilling
- Prior art date
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 186
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 186
- 235000021168 barbecue Nutrition 0.000 claims abstract description 97
- 238000010438 heat treatment Methods 0.000 claims abstract description 58
- 238000010411 cooking Methods 0.000 claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 18
- 235000013305 food Nutrition 0.000 claims abstract description 12
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 40
- 239000010453 quartz Substances 0.000 claims description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 36
- 239000000919 ceramic Substances 0.000 claims description 22
- 238000003825 pressing Methods 0.000 claims description 21
- 229910052750 molybdenum Inorganic materials 0.000 claims description 16
- 239000011733 molybdenum Substances 0.000 claims description 16
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 13
- 229920000049 Carbon (fiber) Polymers 0.000 description 6
- 239000004917 carbon fiber Substances 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000009940 knitting Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- -1 that is Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/647—Aspects related to microwave heating combined with other heating techniques
- H05B6/6482—Aspects related to microwave heating combined with other heating techniques combined with radiant heating, e.g. infrared heating
Definitions
- the present invention relates to a microwave oven, and more particularly to a microwave oven having a carbon grilling tube with good grilling performance, high heating speed and high efficiency.
- a microwave oven is a machine that is powered by a power source and uses the generated microwave to conveniently cook food.
- a heating source such as a heater has been installed, and various cooking methods have appeared, SP, a method of recycling the heat generated by the heater, or controlling the position of the heater for cooking. Method etc.
- the existing microwave oven with a grill is generally composed of a furnace body that holds the exterior of the cooking chamber to form the entire appearance of the microwave oven, and a cooking chamber in which the entire barbecue cooking process is performed; the door can be selected
- the front side of the cooking chamber is opened and closed; the electric control room is provided with various electrical components inside. Among them, the electric control room is located in the side space of the cooking chamber in the furnace body.
- the top of the cooking chamber of the barbecue microwave oven is provided with a grilling tube controlled by an electronic control room to provide heat to the food to be grilled in the cooking chamber.
- the barbecue tube as described above is a quartz grill tube or a metal grill tube.
- the quartz grill pipe or the metal grilling tube is heated at a slower rate, the grilling efficiency is lower, the energy consumption is large, and the manufacturing process is not environmentally friendly.
- the arrangement between the barbecue tubes of the existing microwave oven is basically that two barbecue tubes are arranged side by side, but when a plurality of barbecue tubes are arranged, whether it is between the main body of the barbecue tubes or between the parallel connections, the ignition is easy to occur. Phenomenon not only affects the cooking effect, but also seriously affects the service life of the microwave oven; more serious, it may cause a fire.
- microwave oven market with increased grilling function has a very broad market prospect and is in line with the increasingly rich needs of people's lives; therefore, it is desirable to have a good barbecue performance, high efficiency, safe use and long life.
- a microwave oven appears.
- the technical problem solved by the present invention is to provide a microwave oven having a carbon barbecue tube, which has the advantages of good performance, high heating efficiency, safe use and long life.
- the technical solution of the present invention is:
- a microwave oven having a carbon barbecue tube is provided with a main frame body, the outer frame of the main frame is covered with a furnace outer casing, and one side thereof is provided with a furnace door;
- a cooking chamber and an electric control room are disposed in the main frame; a grilling tube chamber is arranged on the top of the cooking chamber, and at least two sets of barbecue tube assemblies capable of grilling the food in the cooking chamber are installed in the grilling tube.
- a carbon barbecue tube is installed in the grill pipe assembly, and the terminals on the same side of the two sets of the carbon grill pipes are connected to each other via a flat conductive metal piece, and the other side of the terminal is connected to the power terminal.
- the barbecue tube assembly includes:
- the reflector has a barbecue tube cavity, and a first through hole is formed at both ends thereof;
- a heat shield corresponding to the cover over the reflector, and fixedly connected to the reflector via a bolt;
- a second through hole is disposed at two ends thereof, and a barbecue tube fixing assembly is disposed outside the second through hole;
- the grilling tube fixing assembly includes a fixing portion fixedly coupled to the first end of the heat shield and a second end; the positioning portion is an upwardly bent L
- the positioning structure has a positioning hole formed in the vertical portion corresponding to the position of the second through hole; the fixing portion includes an L-shaped fixing structure bent upward, and a fixing hole is disposed corresponding to the position of the second through hole;
- the fixing hole is an upward opening groove;
- the carbon barbecue tube is penetrated by the fixing hole, and a first end thereof is positioned in the positioning hole, and a second end thereof is fixed in the fixing hole.
- the above-mentioned microwave oven with a carbon barbecue tube wherein the fixing hole is further provided with a pressure card structure, and the pressure card structure correspondingly presses the opening groove downwardly to press the carbon barbecue tube located in the fixing hole One end.
- the above-mentioned microwave oven with a carbon barbecue tube wherein the pressure card structure is a stool type structure, and one side is provided with a hanging card, and the hanging card can correspond to a card stuck on the side wall of the heat shield
- the other side of the press-card structure is provided with a threaded hole, and can be locked on both sides of the open slot via bolts.
- the above microwave oven having a carbon barbecue tube, wherein the carbon barbecue tube comprises a quartz tube body, a carbon heating body disposed in the quartz tube body, a ceramic connector and a wiring disposed at both ends of the quartz tube body
- the ends of the quartz tube body respectively form a sealed end, and the two ends of the carbon heating body are connected to the ceramic
- the terminal terminals in the connector are electrically connected;
- the ceramic connector is a cylinder having a platform on the side, and the platform is capable of pressing the pressing structure; the pressing portion of the pressing structure has a matching structure corresponding to the platform.
- the above-mentioned microwave oven having a carbon grilling tube, wherein both ends of the quartz tube body respectively form a sealed flat end portion, and an inner end of the ceramic connecting head is formed with a U-shaped slit for inserting the flat end portion;
- the terminal is a chip terminal piercely disposed at the other end of the ceramic structure; the U-shaped notch and the chip terminal are disposed perpendicular to each other, and the platform is parallel to the chip terminal.
- the carbon heating body is a flat carbon sheet.
- the carbon sheet is provided with a plurality of holes, the holes are symmetrically distributed at a midpoint of the carbon sheet, and the distance between the holes is from the midpoint of the carbon sheet. Both ends gradually decrease.
- the carbon sheet is a carbon sheet having a square wave shape.
- the above-mentioned microwave oven having a carbon barbecue tube wherein the quartz tube is provided with two carbon heating bodies arranged side by side, and one end of each of the carbon heating bodies is electrically connected and fixedly connected via a fixing clamp to form the a sealing end of the carbon heating body, the other side of the fixing clamping member is connected with a fixed molybdenum rod fixed to one end of the quartz tube; and the other ends of the two carbon heating bodies are sequentially connected There is a molybdenum clip, a first molybdenum rod, a molybdenum sheet and a second molybdenum rod, and the second molybdenum rod is electrically connected to the terminal through the other end of the quartz tube.
- an elastic terminal is further disposed between the carbon heating body and the molybdenum clip, and the elastic terminal is a mesh-shaped cone-shaped structure, and the smaller end thereof is The molybdenum clip is fixedly connected, and a larger end is sleeved at an end of the carbon heating body.
- the microwave oven with the carbon barbecue tube of the invention not only has the function of grilling during the cooking process of the food, but also effectively improves the efficiency of the barbecue cooking heating by the optimized arrangement structure of the grilling tube assembly, and makes the barbecue tube The use of safer and more reliable, prolongs the service life of the barbecue tube, and also ensures the safe use of the microwave oven with barbecue function.
- Figure 1 is a schematic view showing the internal frame of a microwave oven having a carbon barbecue tube of the present invention
- FIG. 2 is a schematic exploded view of the internal structure of a microwave oven having a carbon barbecue tube of the present invention
- FIG. 3 is a schematic structural view of a conductive metal piece of a microwave oven having a carbon barbecue tube of the present invention
- FIG. 4 is a schematic structural view of a heat shield of a microwave oven having a carbon barbecue tube of the present invention
- 5 is a schematic structural view of a reflection cover of a microwave oven having a carbon barbecue tube according to the present invention
- FIG. 6 is a schematic structural view showing a pressure card structure of a microwave oven having a carbon barbecue tube according to the present invention
- Figure 7 is a schematic structural view of a carbon barbecue tube of a microwave oven having a carbon barbecue tube of the present invention.
- Figure 8 is a schematic view showing a carbon sheet of a microwave oven having a carbon barbecue tube of the present invention.
- Figure 9 is a schematic view showing a square wave carbon sheet of a microwave oven having a carbon barbecue tube of the present invention.
- Figure 10 is a schematic view showing a U-shaped carbon heating body of a microwave oven having a carbon barbecue tube of the present invention
- Figure 11 is a schematic view showing the elastic terminal of the microwave oven having a carbon barbecue tube of the present invention.
- a microwave oven having a carbon barbecue tube the microwave oven is provided with a main frame body, the outer frame of the main frame is covered with a furnace shell, and one side thereof is provided with a furnace door; wherein, the main frame body is provided a cooking chamber and an electric control room; a cooking tube chamber is arranged at the top of the cooking chamber, and at least two sets of barbecue tube assemblies capable of grilling food in the cooking chamber are installed in the barbecue tube, and the barbecue tube assembly is installed therein
- the carbon barbecue tube, the terminals on the same side of the two sets of the carbon barbecue tubes are connected to each other via a flat conductive metal piece, and the other side of the connection terminals are connected to the power supply terminal. In order to improve the heating efficiency of the microwave oven's grilling function, and further enhance the stability and safety of the barbecue tube work.
- FIG. 1 and FIG. 2 are schematic diagrams showing the internal frame of the microwave oven with a carbon barbecue tube and an exploded view of the internal structure of the present invention.
- the microwave oven with a carbon barbecue tube of the present invention is provided.
- the main body of the main frame body 1 is provided with a furnace shell, and a side of the main frame body 1 is provided with a furnace door (not shown); wherein: the main frame body 1 is provided with cooking The chamber 2 and the electric control chamber 3; the cooking chamber 2 is used for placing food to be cooked, and the microwave and radiant heating are controlled by the control unit in the electric control chamber 3, thereby cooking the food.
- the top of the cooking chamber 2 is provided with a grilling tube chamber 4, and the grilling tube chamber 4 is provided with at least two sets of barbecue tube assemblies capable of grilling food in the cooking chamber, and the grilling tube assembly is provided with a carbon grilling
- the tube 54 by arranging the carbon grilling tube 54, replaces the common metal grilling tube, so that the heating effect is better and the efficiency is higher.
- the terminals on the same side of the two sets of the carbon barbecue tubes are connected to each other via a flat conductive metal piece 55, and the other side of the connection terminals are connected to the power supply terminal; as shown in FIG. 3, the conductive metal piece 55 is turned on.
- the two sets of barbecue tube assemblies are connected in series, so that there is no need to provide power terminals on both sides of the grilling tube chamber, thereby reducing the complexity of the line arrangement in the microwave oven;
- the arrangement of the conductive metal sheet 55 completely avoids the problem of sparking compared to the usual way of connecting by wires, and improves the stability and safety of the operation of the grilling tube.
- the insulating metal piece 55 is further provided with an insulating mica plate under the conductive metal piece 55.
- the top of the cooking chamber 2 is respectively provided with a grilling window 41 corresponding to each of the grilling tube assemblies;
- the food is heated by the grill window 41 toward the inside of the cooking chamber 2.
- the grilling tube assembly includes: a protective net 51, a reflective cover 52, a heat shield 53 and a carbon grill tube 54.
- the protective net 51 is fixed on the grilling window 41, so that the heat radiated by the grilling tube is not directly irradiated on the cooked food, and the radiation intensity is adjusted; meanwhile, the microwave can also be used in the microwave oven.
- the reflector 52 acts as a shield for the microwave, preventing direct interaction between the microwave and the grilling tube, and causing the interior of the grilling tube to ignite or otherwise interact.
- the reflector 52 is correspondingly fixed to the protective net 51, and the edge and the edge of the protective net may be overlapped, or may be fixed by bolts or integrated.
- the reflector 52 has a grilling lumen, and two ends are provided with a first through hole 521; the grilling chamber is a trapezoidal or curved surface that is open downward to reflect the upward radiant heat of the grilling tube back into the cooking cavity.
- the heat shield correspondingly buckles over the reflector and is fixedly connected to the reflector 52 via a bolt 58; to prevent radiant heat from being radiated to the outside of the grill tube assembly, and to apply heat to the cooking as much as possible Inside the chamber 2.
- Two ends of the heat shield 53 are provided with second through holes 531, and the second through holes 531 are disposed corresponding to the first through holes 521.
- a barbecue tube fixing assembly for fixing the barbecue tube is disposed outside the second through hole 531.
- the carbon grilling tube 54 is disposed in the second through hole 531 of the heat shield 53 and the first through hole 521 of the reflector 52, and the main body is received in the grilling cavity, and The barbecue tube fixing assembly is fixed.
- the grilling tube fixing assembly includes a first end fixedly connected to the heat shield 53
- the positioning portion 57 is an upwardly bent L-shaped positioning structure, and a vertical portion thereof defines a positioning hole 571 corresponding to the position of the second through hole 531;
- the fixing portion 56 includes an L-shaped fixing structure that is bent upward, and a fixing hole is provided at a position corresponding to the second through hole 531.
- the fixing portion 56 is fixed to the end of the carbon grilling tube 54.
- the fixing hole is an upward opening groove; the purpose of the opening groove is to enable the carbon barbecue tube 54 to be more conveniently and accurately inserted into the second through hole 531 when the carbon barbecue tube is installed.
- one end of the carbon barbecue tube is positioned in the positioning hole 571. That is, the carbon barbecue tube is inserted through the fixing hole 561 at the time of installation, and the first end thereof is positioned in the positioning hole 571, and the second end thereof is fixed in the fixing hole 561.
- the fixing hole 561 is further provided with a pressing card structure 562, and the pressing card structure 562 corresponds to the The opening groove presses down one end of the carbon grill pipe 54 located in the fixing hole 561.
- the press card structure By further pressing of the press card structure, The carbon grilling tube is more stably fixed in the grill pipe assembly.
- the press-card structure is a stool type structure, and one side is provided with a hanging card, and the hanging card can be correspondingly stuck in the partition.
- the other side of the press-fit structure 562 is provided with a threaded hole, and can be locked to the two sides of the open slot via bolts. Therefore, after the carbon barbecue tube is fixed, and the carbon barbecue tube end is pressed to the open groove, in order to maintain the pressing action of the pressing card structure 562, the two sides of the pressing card structure 562 are respectively respectively Fix it to further ensure that the grill tube is securely installed.
- the carbon barbecue tube includes a quartz tube body 541 and is disposed in the quartz tube body 541.
- a carbon heating body (not shown), a ceramic connector 542 and a terminal 543 disposed at both ends of the quartz tube body 541; the ends of the quartz tube body 541 respectively form a sealed end, the carbon
- the two ends of the heating body are electrically connected to the terminal 543 which is inserted into the ceramic connector 542 to ensure that the carbon heating body is insulated from the outside air in the quartz tube, and at the same time, the two of the carbon barbecue tubes are also fixed when the carbon barbecue tube is fixed.
- the end is fixed by the ceramic connector 542.
- the ceramic connector 542 is a cylinder having a platform 5421 on the side, the platform 5421 can be pressed by the pressing structure 562; and the pressing of the pressing structure 562
- the portion 5621 has a mating structure that is in close contact with the platform 5421.
- the pressing portion is parallel to the platform.
- the positioning hole 571 of the positioning portion 57 is correspondingly a D-shaped hole to cooperate to clamp the ceramic connector. 542.
- the quartz tube body 541 has a sealed flat end portion 5411 at both ends thereof, and an inner end of the ceramic connecting head 542 is formed with the flat portion.
- the terminal 543 is a chip terminal that is disposed at the other end of the ceramic connector 542. The chip terminal is used to better position the ceramic connector 542 with each other. It is convenient to connect the terminal 543 to the power terminal.
- the U-shaped gap is disposed perpendicular to the chip terminal, and the platform 5421 is parallel to the chip terminal. Therefore, the flat end portion 5411 is disposed perpendicular to the chip terminal, thereby preventing the chip terminal from being broken during the connection with the power terminal, and the chip terminal and the device are broken due to the torque.
- the electrical connection between the carbon heating bodies In this way, the yield of the product can be effectively improved.
- the carbon heating body is a flat carbon sheet 7.
- the carbon sheet 7 can effectively suppress the sparking phenomenon caused by the gap between the filaments, and at the same time, the processing process is simpler and the production cost is lowered.
- the carbon sheet 7 is provided with a plurality of holes 71, which are symmetrically distributed in a point of a carbon sheet 7 in the microwave oven of the present invention.
- the distance between the holes 71 is gradually reduced from the midpoint of the carbon sheet to both ends.
- the carbon sheet 7 of the carbon barbecue tube of the present invention has a plurality of holes formed in the longitudinal direction thereof, and the number of the holes depends on the length of the carbon sheet.
- the holes are all circular holes of the same diameter, and are symmetric points on the middle point of the carbon sheet, and are symmetrically formed on both sides of the symmetry point.
- the distance between two adjacent holes near the intermediate point is greater than the distance between two adjacent holes farther from the intermediate point to achieve a non-uniform arrangement.
- the uniformity of the axial temperature of the heating tube is improved by the distribution, number and size of the holes.
- the carbon sheet has a simple process, and a circular hole is added to the conventional carbon sheet structure to achieve a non-uniform arrangement effect.
- the resistance, the number and the size of the holes are used to increase the resistance of a certain value, and the number and size of the holes can be The resistance value is controlled to facilitate power control and improve the temperature uniformity of the heating tube in the axial direction.
- the carbon sheet 8 is a carbon sheet having a square wave shape. It may also be referred to as a polygonal carbon sheet, and a carbon heating body that controls the electric resistance and power density of the carbon heating tube by adjusting the width a of the carbon sheet 8 and the line distance b.
- the carbon fiber heating tube of the present invention uses a corrugated carbon sheet comprising a carbon sheet which is a square wave square wave type (line type) structure having four inflection points in each cycle.
- a corrugated carbon sheet comprising a carbon sheet which is a square wave square wave type (line type) structure having four inflection points in each cycle.
- the width of the carbon sheet is 1. 4 ⁇ 5mm; said carbon sheet is folded into the square wave width 1. 4 ⁇ 8mm.
- the raw material used in the carbon sheet of the present invention is made of flaky carbon paper. And can be made through the following processes:
- the carbon heating tube may also have the following structure: two quartz tubes are provided.
- the carbon heating body is arranged in parallel, and one end of the two carbon heating bodies is electrically connected and fixedly connected via a fixing clamp 21 to form a sealing end 36 of the carbon heating body, and the other side of the fixing clamping member 21
- the fixed molybdenum rod 20 is connected to one end of the quartz tube; the other ends of the two carbon heating bodies are respectively connected with a molybdenum clip 23 and a first molybdenum rod 24, A molybdenum sheet 25 and a second molybdenum rod 26 are passed through the other end of the quartz tube to be electrically connected to the terminal.
- the carbon sheet of the carbon heating tube of the present invention is a U-shaped carbon sheet 22 which is sealed at one end and opened at one end, and the two ends 27 and 28 of the open end of the U-shaped carbon sheet respectively constitute two electrode ends.
- the power supply mode is changed from the conventional two-end energization type to the one end power supply, which facilitates the arrangement of the wires.
- the distance between the two ends 27, 28 of the open end of the U-shaped carbon sheet 22 is proportional to the resistance value. Therefore, the heating tube resistance can be adjusted by adjusting the distance between the two side arms of the U-shaped carbon sheet.
- the purpose of the value is made of carbon paper material, and the surface thereof is relatively smooth, and the density is high, so that the ignition rate is reduced to zero.
- the sealing end 36 of the U-shaped carbon sheet 22 is connected to the fixed end of the quartz tube, and the open end of the U-shaped carbon sheet is
- the terminals 27, 28 are respectively connected to the terminals of the quartz tube.
- the sealing end 36 of the U-shaped carbon sheet 22 is connected and fixed to the molybdenum rod 20 by a fixing clamping member 21, and the fixed molybdenum rod 20 only serves to fix, and the fixed molybdenum rod 20 passes through the
- the fixed end of the quartz tube is connected to the fixed joint.
- the two ends 27, 28 of the open end of the U-shaped carbon sheet 22 serve as two electrode ends, and each of them is connected to a first molybdenum rod 24 through a clamping member 23, each of which is first molybdenum
- the other end of the rod 24 is connected to a second molybdenum rod 26 via a molybdenum sheet 25, and the other end of each of the second molybdenum rods 26 passes through the terminal of the quartz tube and is connected to the terminal through a ceramic connector.
- the U-shaped carbon sheet 22 is simple in process and convenient to adjust, and not only effectively increases the resistance value of the carbon fiber heating tube, but also changes the energization mode from the conventional two-end energization type to the one-end energization type, which is convenient for the later application range. Has a high use value.
- the carbon heating body 11 and the molybdenum clip 13 are further provided with elastic terminals.
- the elastic terminal 17 is a mesh-shaped cone-shaped structure, the smaller end of which is fixedly connected to the molybdenum clip 13, and the larger end is sleeved at the end of the carbon heating body 11.
- the elastic terminal 17 is a mesh-shaped tapered barrel structure woven from a metal molybdenum wire or a carbon fiber wire.
- the inner diameter of the woven elastic terminal 17 and the carbon heating body 11 for heating is maintained at a deviation of ⁇ 0.5 mm from the inner diameter of the carbon sheet.
- the carbon heating tube includes a quartz tube and a carbon heating body 11 for heating in the quartz tube, wherein the end of the quartz tube 12 is provided with a ceramic joint 15, Molybdenum is disposed in the ceramic joint 15 a clip 13 , the end of the molybdenum clip 13 in the quartz tube 12 is connected to one end of the elastic terminal 17 , the other end of the molybdenum clip 13 is connected to the terminal 16 , and the other end of the elastic terminal 17 is connected to the carbon heating body 11 .
- the elastic terminal 17 is a mesh-shaped tapered barrel structure woven from metal molybdenum wire or carbon fiber wire.
- the elastic terminal of such a structure can effectively prevent the linear carbon heating body, preferably a carbon sheet, from being irregularly bent due to thermal expansion.
- the carbon-proof heating body is in contact with the tube wall of the quartz tube to cause blackening of the tube wall.
- One end of the elastic terminal is in an interference fit with the carbon sheet, and the other end of the elastic terminal is clamped to the molybdenum clip. Therefore, the process of eMule is omitted in the process of encapsulating the carbon sheet, which greatly simplifies the entire process.
- the inner diameter of the elastic terminal and the width of the carbon sheet are maintained at a deviation of ⁇ 0.5 mm to ensure the strength of the interference fit.
- the elastic terminal can be realized by braiding the metal molybdenum wire and the carbon fiber wire, and the process is simple, and the inner diameter of the elastic terminal after knitting and the width of the carbon sheet are kept ⁇ 0.5 mm deviation to ensure the strength of the interference fit.
- the other end of the terminal can be directly clamped with the nickel chip terminal, so the process of eMule is omitted in the process of heating the wire package, so that the whole process is greatly simplified; the elastic terminal of the mesh can pass the number of knitting strands and the pitch Adjust the resistance so that its color temperature is greatly reduced to ensure its reliability.
- the elastic structure can be woven with metal molybdenum wire, tungsten wire and carbon fiber wire. Simple installation of the terminals requires only one step and the installation steps are reduced by 100% compared to the spring terminals.
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- Electromagnetism (AREA)
- Resistance Heating (AREA)
- Baking, Grill, Roasting (AREA)
Abstract
一种具有碳素烧烤管的微波炉。所述微波炉设有主架体（1），所述主架体外扣盖有炉外壳，其一侧设有炉门；所述主架体内设有烹调腔（2）及电控室（3）；所述烹调腔顶部设有烧烤管室（4），所述烧烤管室内安装有至少两套能够烧烤所述烹调腔内的食物的烧烤管组件，所述烧烤管组件内安装有碳素烧烤管（54），两套所述碳素烧烤管的位于同一侧的接线端子经由扁平的导通金属片（55）相互连接，另一侧的接线端子连接电源端子。具有所述碳素烧烤管的微波炉性能好、加热效率高、使用寿命长。
Description
具有碳素烧烤管的微波炉
技术领域
本发明涉及一种微波炉， 尤其是涉及一种烧烤性能好、加热速度快、效率高的具有 碳素烧烤管的微波炉。
背景技术
一般来讲， 微波炉是以接通电源， 利用产生的微波作用而方便的烹调食物的机器。 特别是最近除了磁控管外， 还设置了加热器等加热源， 出现了多种料理方法， SP， 循环 利用加热器中产生的热量而进行料理的方法， 或控制加热器的位置而进行料理的方法 等。
现有带烧烤的微波炉大体上是由以下部件构成， 炉体， 它抱着烹调腔的外部， 形成 微波炉的整个外观； 烹调室， 在其内部进行着整个烧烤料理过程； 门， 可以有所选择地 开闭烹调腔的正面； 电控室， 它的内部设置有各种电器部件。其中， 电控室设在炉体内 烹调室的侧边空间。烧烤型微波炉的烹调室的顶部设有由电控室控制的烧烤管， 以向烹 调室内待烧烤的食物提供热量。
如上所述的烧烤管采用的是石英烧烤管或金属烧烤管。但是， 石英烧烤管或金属烧 烤管的加热速度较慢， 烧烤效率较低， 能量消耗大， 并且制作工艺不环保。
同时， 现有微波炉的烧烤管之间的设置， 基本是两个烧烤管并列设置， 但是在设置 多个烧烤管时， 不管是烧烤管主体之间还是并联的接线之间， 都容易发生打火现象， 不 仅影响烹调的效果， 而且还严重影响了微波炉的使用寿命； 更严重的， 很可能会导致火 灾的发生。
所以， 针对现今的微波炉多元化的使用过程， 增加烧烤功能的微波炉市场前景非常 的广阔， 也符合人们生活日趋丰富的需求； 因此， 亟待一种烧烤性能好、 效率高、 使用 安全和寿命长的微波炉出现。
发明内容
本发明解决的技术问题是提供一种具有碳素烧烤管的微波炉， 具有性能好、加热效 率高、 使用安全和寿命长的优点。
本发明的技术解决方案是：
一种具有碳素烧烤管的微波炉， 所述微波炉设有主架体， 所述主架体外扣盖有炉外 壳， 其一侧面设有炉门； 其中：
所述主架体内设有烹调腔及电控室； 所述烹调腔顶部设有烧烤管室， 所述烧烤管室 内安装有至少两套能够烧烤所述烹调腔内的食物的烧烤管组件，所述烧烤管组件内安装 有碳素烧烤管，两套所述碳素烧烤管的位于同一侧的接线端子经由扁平的导通金属片相 互连接， 另一侧的接线端子连接电源端子。
上述的具有碳素烧烤管的微波炉， 其中， 所述烹调腔顶部对应所述各烧烤管组件分 别开设有烧烤窗； 所述烧烤管组件包括：
防护网， 固定于所述烧烤窗上；
反射罩， 对应固定于所述防护网上方， 该反射罩具有烧烤管腔， 其两端开设有第一 通孔；
隔热罩， 对应扣盖于所述反射罩的上方， 且经由螺栓与所述反射罩固定连接； 其两 端设有第二通孔， 所述第二通孔外设有烧烤管固定组件；
碳素烧烤管， 穿设于所述隔热罩的第二通孔及所述反射罩的第一通孔， 其主体容置 于所述烧烤管腔中， 并经由所述烧烤管固定组件固定。
上述的具有碳素烧烤管的微波炉， 其中， 所述烧烤管固定组件包括固定连接于所述 隔热罩第一端的定位部及第二端的固定部； 所述定位部为向上弯折的 L型定位结构， 其 竖直部分对应第二通孔的位置开设有定位孔;所述固定部包括向上弯折的 L型固定结构， 其对应所述第二通孔的位置设有固定孔； 所述固定孔为一向上的开口槽；
所述碳素烧烤管由所述固定孔穿入， 其第一端定位在所述定位孔中， 其第二端固定 在所述固定孔中。
上述的具有碳素烧烤管的微波炉， 其中， 所述固定孔上还设有压卡结构， 所述压卡 结构对应所述开口槽向下卡压位于所述固定孔中的碳素烧烤管的一端。
上述的具有碳素烧烤管的微波炉， 其中， 所述压卡结构为一凳型的结构， 其一侧设 有挂卡， 所述挂卡能够对应卡在所述隔热罩的侧壁的卡孔上； 该压卡结构的另一侧设有 螺纹孔， 能够经由螺栓对应锁固于所述开口槽两侧。
上述的具有碳素烧烤管的微波炉， 其中， 所述碳素烧烤管包括石英管体、 设置在所 述石英管体内的碳素加热体、 设置在所述石英管体两端的陶瓷连接头和接线端子； 所述石英管体两端分别形成密封的端部，所述碳素加热体两端与穿设于所述陶瓷连
接头内的接线端子电连接；
所述陶瓷连接头为侧面具有一平台的柱体， 该平台能够供所述压卡结构压紧； 所述 压卡结构的压卡部具有与所述平台对应紧密接触的配合结构。
上述的具有碳素烧烤管的微波炉， 其中， 所述石英管体两端分别形成密封的扁平端 部， 所述陶瓷连接头内侧一端形成有供所述扁平端部插入的 U形豁口； 所述接线端子为 穿设于所述陶瓷结构另一端的片状接线端子；所述 U形豁口与所述片状接线端子的相互 垂直设置， 且所述平台与所述片状接线端子平行。
上述的具有碳素烧烤管的微波炉， 其中， 所述碳素加热体为一扁平的碳素片。 上述的具有碳素烧烤管的微波炉， 其中， 所述碳素片上开设有多个孔， 所述孔以碳 片中点对称分布， 且所述孔之间的距离由碳素片的中点向两端逐渐减小。
上述的具有碳素烧烤管的微波炉， 其中， 所述碳素片为平面方波形的碳素片。 上述的具有碳素烧烤管的微波炉， 其中， 所述石英管内设有两根并列设置的碳素加 热体， 两所述碳素加热体的一端经由一固定夹持件导通固定连接， 形成该碳素加热体的 封口端，该固定夹持件的另一侧连接有固定钼杆，该固定钼杆固定于所述石英管的一端; 两所述碳素加热体的另一端分别依序连接有钼夹、 第一钼杆、钼片和第二钼杆， 所述第 二钼杆穿过所述石英管另一端而与所述接线端子电连接。
上述的具有碳素烧烤管的微波炉， 其中， 所述碳素加热体与所述钼夹之间还设有弹 性端子， 所述弹性端子为网状的锥筒形结构， 其较小的一端与所述钼夹固定连接， 较大 的一端套设于所述碳素加热体的端部。
由以上说明得知， 本发明确实具有如下的优点：
本发明的具有碳素烧烤管的微波炉不仅能够在进行食物烹饪的过程中具有烧烤的功能， 同时， 通过烧烤管组件的优化设置结构， 有效地提高了烧烤烹饪加热的效率， 并且使烧 烤管的使用更加的安全可靠， 延长了烧烤管的使用寿命， 也很好的保证了具有烧烤功能 的微波炉的使用安全。
附图说明
图 1为本发明的具有碳素烧烤管的微波炉的内部框架示意图；
图 2为本发明的具有碳素烧烤管的微波炉的内部结构爆炸示意图；
图 3为本发明的具有碳素烧烤管的微波炉的导通金属片的结构示意图；
图 4为本发明的具有碳素烧烤管的微波炉的隔热罩的结构示意图；
图 5为本发明的具有碳素烧烤管的微波炉的反射罩的结构示意图； 图 6为本发明的具有碳素烧烤管的微波炉的压卡结构的结构示意图；
图 7为本发明的具有碳素烧烤管的微波炉的碳素烧烤管的结构示意图；
图 8为本发明的具有碳素烧烤管的微波炉的碳素片的示意图；
图 9为本发明的具有碳素烧烤管的微波炉的方波形碳素片的示意图；
图 10为本发明的具有碳素烧烤管的微波炉的 U形碳素加热体的示意图； 图 11为本发明的具有碳素烧烤管的微波炉的弹性端子的示意图。
具体实施方式
本发明的一种具有碳素烧烤管的微波炉， 所述微波炉设有主架体， 所述主架体外扣 盖有炉外壳， 其一侧面设有炉门； 其中， 所述主架体内设有烹调腔及电控室； 所述烹调 腔顶部设有烧烤管室，所述烧烤管室内安装有至少两套能够烧烤所述烹调腔内的食物的 烧烤管组件， 所述烧烤管组件内安装有碳素烧烤管， 两套所述碳素烧烤管的位于同一侧 的接线端子经由扁平的导通金属片相互连接， 另一侧的接线端子连接电源端子。 以提高 微波炉的烧烤功能的加热效率， 以及进一步增强烧烤管工作的稳定性和安全性。
为了对本发明的技术特征、 目的和效果有更加清楚的理解， 现对照附图说明本发明 的具体实施方式。
请参照图 1及图 2所示，为本发明的具有碳素烧烤管的微波炉的内部框架示意图和 内部结构爆炸示意图， 如图所示， 较佳的， 本发明的具有碳素烧烤管的微波炉， 所述微 波炉设有主架体 1， 所述主架体 1外扣盖有炉外壳， 其一侧面设有炉门 （图中未示） ； 其中： 所述主架体 1内设有烹调腔 2及电控室 3; 烹调腔 2用以放置需要进行烹调的食 物， 通过电控室 3中的控制部件对微波及辐射加热进行控制， 从而实现对食物的烹调。 所述烹调腔 2顶部设有烧烤管室 4， 所述烧烤管室 4内安装有至少两套能够烧烤所述烹 调腔内的食物的烧烤管组件，所述烧烤管组件内安装有碳素烧烤管 54，通过配置碳素烧 烤管 54， 取代常用的金属烧烤管， 使加热效果更佳， 效率更高。两套所述碳素烧烤管的 位于同一侧的接线端子经由扁平的导通金属片 55相互连接， 另一侧的接线端子连接电 源端子； 请一并参阅图 3所示， 导通金属片 55横跨于两套烧烤管组件之间， 使两套烧 烤管组件形成串联的连接模式， 从而无需在烧烤管室的两侧均设置有电源端子， 减少微 波炉内的线路排布复杂度； 同时通过该导通金属片 55的设置， 比起常用的通过导线连 接的方式完全避免了打火问题， 提高了烧烤管工作的稳定性和安全性。
较佳的， 所述导通金属片 55的下方还设置有绝缘的云母片。
如图 2所示， 本发明的具有碳素烧烤管的微波炉， 在一较佳实施例中， 所述烹调腔 2顶部对应所述各烧烤管组件分别开设有烧烤窗 41 ; 所述烧烤管组件通过该烧烤窗 41 朝向烹调腔 2内照射， 从而对食物进行加热。而所述烧烤管组件包括： 防护网 51、 反射 罩 52、 隔热罩 53及碳素烧烤管 54。 所述防护网 51固定于所述烧烤窗 41上， 用以使烧 烤管所散发的热量不会直接照射在烹调的食物上， 而起到调整辐射强度的作用； 同时， 也能够在微波炉使用微波的同时， 对微波起到屏蔽的作用， 防止微波与烧烤管之间直接 作用， 而使烧烤管内部打火或者发生其他相互作用。 请一并参照图 5所示， 所述反射罩 52对应固定于所述防护网 51上方， 其边缘与防护网的边缘可以是叠合在一起的， 也可 以经由螺栓固定， 或者一体压合成型。 该反射罩 52具有烧烤管腔， 其两端开设有第一 通孔 521 ; 该烧烤腔为向下开口的梯形或曲面， 用以将烧烤管散发出向上的辐射热反射 回烹调腔中。 所述隔热罩对应扣盖于所述反射罩的上方， 且经由螺栓 58与所述反射罩 52固定连接；用以防止辐射热散发至烧烤管组件的外侧，尽可能的使热量应用于烹调腔 2内部。 该隔热罩 53的两端设有第二通孔 531， 第二通孔 531与所述第一通孔 521对应 设置。所述第二通孔 531外设有用以固定烧烤管的烧烤管固定组件。所述碳素烧烤管 54 穿设于所述隔热罩 53的第二通孔 531及所述反射罩 52的第一通孔 521， 其主体容置于 所述烧烤管腔中， 并经由所述烧烤管固定组件固定。
如上所述， 本发明的具有碳素烧烤管的微波炉， 较佳的， 请一并参照图 2及图 4所 示，所述烧烤管固定组件包括固定连接于所述隔热罩 53第一端的定位部 57及第二端的 固定部 56; 所述定位部 57为向上弯折的 L型定位结构， 其竖直部分对应第二通孔 531 的位置开设有定位孔 571 ; 该定位孔 571 用以直接支撑和配合固定所述碳素烧烤管 54 的端部； 相似地， 所述固定部 56包括向上弯折的 L型固定结构， 其对应所述第二通孔 531 的位置设有固定孔 561 ; 所述固定孔为一向上的开口槽； 开设有开口槽的目的是在 于能够在安装碳素烧烤管时， 使碳素烧烤管 54能够更加方便和准确地由第二通孔 531 插入至烧烤管室中， 并且一直伸入至所述定位部， 使碳素烧烤管的一端定位在所述定位 孔 571中。 也就是说， 安装时， 所述碳素烧烤管由所述固定孔 561穿入， 其第一端定位 在所述定位孔 571中， 其第二端固定在所述固定孔 561中。
如上所述， 本发明的具有碳素烧烤管的微波炉， 较佳的， 请一并参照图 6所示， 所 述固定孔 561上还设有压卡结构 562， 所述压卡结构 562对应所述开口槽向下卡压位于 所述固定孔 561中的碳素烧烤管 54的一端。 通过该压卡结构的进一步的压紧， 能够使
碳素烧烤管更加稳定地固定在所述烧烤管组件当中。
如上所述， 本发明的具有碳素烧烤管的微波炉， 较佳的， 所述压卡结构为一凳型的 结构， 其一侧设有挂卡， 所述挂卡能够对应卡在所述隔热罩 53的侧壁的卡孔上； 该压 卡结构 562的另一侧设有螺纹孔， 能够经由螺栓对应锁固于所述开口槽两侧。 因此， 当 固定好碳素烧烤管后， 并且将碳素烧烤管端部压紧至所述开口槽后， 为了保持该压卡结 构 562的压紧作用， 分别将该压卡结构 562的两侧进行固定， 以进一步地保证烧烤管安 装的牢固。
如上所述，请一并参照图 7所示，本发明的具有碳素烧烤管的微波炉，其中较佳的， 所述碳素烧烤管包括石英管体 541、 设置在所述石英管体 541内的碳素加热体（图中未 示） 、 设置在所述石英管体 541两端的陶瓷连接头 542和接线端子 543; 所述石英管体 541两端分别形成密封的端部， 所述碳素加热体两端与穿设于所述陶瓷连接头 542内的 接线端子 543电连接； 以保证碳素加热体在石英管内与外部空气隔绝， 同时， 也保证在 固定该碳素烧烤管时其两端由所述陶瓷连接头 542进行固定。
另外， 较佳的， 如图所示， 所述陶瓷连接头 542为侧面具有一平台 5421的柱体， 该平台 5421能够供所述压卡结构 562压紧；所述压卡结构 562的卡压部 5621具有与所 述平台 5421对应紧密接触的配合结构。 较佳的， 为一与所述平台平行的卡压部， 当所 述压卡结构向下贴紧至所述固定部的底部时，所述卡压部 5621与所述平台 5421之间为 过盈配合。相应地，在所述陶瓷接头 542具有一平台，并且该平台为水平设置的情况下， 所述定位部 57的定位孔 571也相应地为一 D字形的孔， 以配合卡紧该陶瓷连接头 542。
如上所述的本发明的具有碳素烧烤管的微波炉， 较佳的， 所述石英管体 541两端分 别形成密封的扁平端部 5411，所述陶瓷连接头 542内侧一端形成有供所述扁平端部 5411 插入的 U形豁口； 该 U形豁口与所述扁平端部 5411的外形结构相配合， 并且其内部尺 寸稍微大于所述扁平端部 5411 的尺寸， 以便于在相互配合后注入固定用的黏合剂。 所 述接线端子 543为穿设于所述陶瓷连接头 542另一端的片状接线端子，采用片状的接线 端子， 能够使其与所述陶瓷连接头 542相互之间更好的定位， 并且也便于接线端子 543 与电源端子之间的连接。所述 U形豁口与所述片状接线端子的相互垂直设置， 且所述平 台 5421与所述片状接线端子平行。 因此， 所述扁平端部 5411则与所述片状接线端子相 互垂直设置， 从而避免了片状接线端子在与电源端子连接锁紧的过程中， 由于扭矩的作 用， 破坏片状接线端子与所述碳素加热体之间的电连接。这样， 可以有效提高产品的合 格率。
如图 8所示， 本发明的具有碳素烧烤管的微波炉， 较佳的， 所述碳素加热体为一扁 平的碳素片 7。 该碳素片 7能够有效地抑制因纤维丝之间的空隙导致的打火现象， 同时 也是加工工艺更加简单， 降低生产成本。
如上所述的本发明的具有碳素烧烤管的微波炉， 较佳的， 所述碳素片 7上开设有多 个孔 71，所述孔 71以碳素片 7中点对称分布，且所述孔 71之间的距离由碳素片的中点 向两端逐渐减小。 本发明的碳素烧烤管的碳素片 7， 其上沿长度方向开有多个孔， 孔的 数量根据碳素片的长度而定。 所述孔均为直径相同的圆孔， 并且是以所述的碳素片的中 间点为对称点， 对称形成在对称点两侧。在距离中间点附近的两个相邻孔之间的距离大 于相对距离中间点较远的两个相邻孔之间的距离， 达到非均匀排布的效果。通过孔的分 布、 数量及大小来改善加热管轴向温度的均匀性。
该碳素片工艺简单， 在传统的碳片结构上增加圆孔， 达到非均匀排布的效果， 通过 孔的分布、 数量及大小来来提高一定数值的电阻， 可以通过孔的数量、 大小来控制电阻 值， 从而便于功率控制， 改善加热管轴向的温度均匀性。
如上所述的本发明的具有碳素烧烤管的微波炉， 其较佳的， 如图 9所示， 所述碳素 片 8为平面方波形的碳素片。 也可以称之为折线型碳素片， 通过调整碳素片 8的宽度 a 和折线距离 b来控制碳素加热管的电阻及功率密度的碳素加热体。
较佳的， 本发明的碳素加热管用放波形碳素片， 包括有碳素片， 所述碳素片为在每 个周期有四个拐点的方波式方波型 （折线型） 结构。 其中， 一种较佳的实施例中， 所述 碳素片的宽度为 1. 4〜5mm; 所述碳素片所折成的方波宽度为 1. 4〜8mm。
由于纤维单丝之间的高频击穿是导致其在微波炉内打火的主要原因， 因此， 本发明 所述碳素片采用的原材料为薄片状碳纸制作。 并且可以通如下工序制成：
1 ) 定型， 按设定的碳素片宽度和所需方波的宽度切割片状碳纸成型；
2 ) 进行气相沉积处理；
3 ) 除杂， 即进行氢还原处理。 如上所述， 请一并参阅图 10所示， 本发明的具有碳素烧烤管的微波炉在较佳的实 施方式中， 其碳素加热管也可以是如下结构： 所述石英管内设有两根并列设置的碳素加 热体， 两所述碳素加热体的一端经由一固定夹持件 21导通固定连接， 形成该碳素加热 体的封口端 36， 该固定夹持件 21的另一侧连接有固定钼杆 20， 该固定钼杆 20固定于 所述石英管的一端； 两所述碳素加热体的另一端分别依序连接有钼夹 23、 第一钼杆 24、
钼片 25和第二钼杆 26，所述第二钼杆 26穿过所述石英管另一端而与所述接线端子电连 接。
具体的， 本发明的碳素加热管的碳素片为一端封口、一端开口的 U型碳素片 22， 所 述 U型碳素片开口端的两个端头 27、 28分别构成两个电极端， 将通电方式由传统的两 端通电式变成一端通电的方式， 便于导线的排布。 所述的 U型碳素片 22开口端的两个 端头 27、 28间的距离与电阻值成正比， 所以， 可以通过调整 U型碳素片两个侧臂之间 的距离达到调整加热管电阻值的目的。 所述的 U型碳素片采用碳纸材料制作， 其表面相 对光滑， 致密度高， 使打火率降为零。
本发明的具有碳素加热管的微波炉， 较佳的， 如图所示， 所述 U型碳素片 22的封 口端 36连接石英管的固定端， 所述 U型碳素片的开口端的两个端头 27、 28分别连接所 述石英管的接线端头。
所述的 U型碳素片 22的封口端 36通过一个固定夹持件 21连接固定钼杆 20， 所述 的固定钼杆 20只是起到固定的作用，所述固定钼杆 20穿过所述的石英管的固定端连接 固定接头。
所述的 U型碳素片 22的开口端的两个端头 27、 28作为两个电极端， 分别各自通过 一个夹持件 23各连接一个第一钼杆 24，所述的每一个第一钼杆 24的另一端各通过一个 钼片 25连接一个第二钼杆 26，所述的每一个第二钼杆 26的另一端分别穿过石英管的接 线端头并通过陶瓷连接头连接接线端子。
该 U形的碳素片 22，工艺简单，方便调整，不仅有效地提高碳纤维加热管的电阻值， 而且还把通电方式由传统的两端通电式变成一端通电式， 便于后期的应用范围， 具有很 高的使用价值。
如上所述， 较佳的， 请参照图 11所示， 本发明的具有碳素烧烤管的微波炉， 较佳 的， 所述碳素加热体 11与所述钼夹 13之间还设有弹性端子 17， 所述弹性端子 17为网 状的锥筒形结构， 其较小的一端与所述钼夹 13 固定连接， 较大的一端套设于所述碳素 加热体 11的端部。
具体的， 其较佳的实施方式中， 所述弹性端子 17， 是由金属钼丝或碳纤维丝编织而 成的网状的锥桶形结构。所述编织成的弹性端子 17与用于发热的碳素加热体 11相连接 的那一端的内径与所述的碳素片的宽度保持在 ± 0. 5mm 的偏差。
如图所示， 该碳素加热管包括有石英管和设置在石英管内的用于发热的碳素加热体 11， 其中， 所述的石英管 12的端部设置有陶瓷接头 15， 所述的陶瓷接头 15内设置有钼
夹 13， 所述钼夹 13位于石英管 12内的那一端连接弹性端子 17的一端， 所述钼夹 13 的另一端连接接线端子 16， 所述弹性端子 17的另一端连接碳素加热体 11。 所述的弹性 端子 17是由金属钼丝或碳纤维丝编织的网状的锥桶形结构。 这种结构的弹性端子可以 有效防止直线型碳素加热体， 较佳的为碳素片， 由于受热膨胀而造成的不规则弯曲。 同 时也防碳素加热体与石英管的管壁接触而造成管壁黑化。
所述的弹性端子的一端与碳素片为过盈配合，所述的弹性端子的另一端与所述的钼 夹为夹持结合。 因此在碳素片封装的过程中省去了电悍的工艺， 使整个工序大大简化。
所述的弹性端子的内径与碳素片的宽度保持在 ± 0. 5mm的偏差， 以保证过盈配合的 强度。
如上所述， 所述弹性端子可以通过对金属钼丝， 以及碳纤维丝进行编制实现， 工艺 简单，编织后的弹性端子内径与碳素片宽度保持 ± 0. 5mm的偏差以保证过盈配合的强度， 同时端子的另一端可以与镍片端子直接进行夹持， 因此在发热丝封装的过程中省去了电 悍的工艺， 使整个工序大大简化； 网状的弹性端子可以通过编织股数和螺距调整电阻， 使其色温大大降低， 从而保证其信赖性。可以有效防止直线型碳素片由于受热膨胀而造 成的不规则弯曲， 避免了发热体与管壁接触而造成管壁黑化。 弹性结构可以采用金属钼 丝， 钨丝以及碳纤维丝进行编织。 端子安装简单仅需一步工序， 安装步骤与弹簧端子相 比减少 100%。
以上所述仅为本发明示意性的具体实施方式， 并非用以限定本发明的范围。任何本 领域的技术人员， 在不脱离本发明的构思和原则的前提下所作出的等同变化与修改， 均 应属于本发明保护的范围。
Claims
1、 一种具有碳素烧烤管的微波炉， 所述微波炉设有主架体， 所述主架体外扣盖有 炉外壳， 其一侧面设有炉门； 其特征在于- 所述主架体内设有烹调腔及电控室； 所述烹调腔顶部设有烧烤管室， 所述烧烤管室 内安装有至少两套能够烧烤所述烹调腔内的食物的烧烤管组件，所述烧烤管组件内安装 有碳素烧烤管，两套所述碳素烧烤管的位于同一侧的接线端子经由扁平的导通金属片相 互连接， 另一侧的接线端子连接电源端子。
2、 如权利要求 1所述的具有碳素烧烤管的微波炉， 其特征在于， 所述烹调腔顶部 对应所述各烧烤管组件分别开设有烧烤窗； 所述烧烤管组件包括：
防护网， 固定于所述烧烤窗上；
反射罩， 对应固定于所述防护网上方， 该反射罩具有烧烤管腔， 其两端开设有第一 通孔；
隔热罩， 对应扣盖于所述反射罩的上方， 且经由螺栓与所述反射罩固定连接； 其两 端设有第二通孔， 所述第二通孔外设有烧烤管固定组件；
碳素烧烤管， 穿设于所述隔热罩的第二通孔及所述反射罩的第一通孔， 其主体容置 于所述烧烤管腔中， 并经由所述烧烤管固定组件固定。
3、 如权利要求 2所述的具有碳素烧烤管的微波炉， 其特征在于， 所述烧烤管固定 组件包括固定连接于所述隔热罩第一端的定位部及第二端的固定部；所述定位部为向上 弯折的 L型定位结构， 其竖直部分对应第二通孔的位置开设有定位孔； 所述固定部包括 向上弯折的 L型固定结构， 其对应所述第二通孔的位置设有固定孔； 所述固定孔为一向 上的开口槽；
所述碳素烧烤管由所述固定孔穿入， 其第一端定位在所述定位孔中， 其第二端固定 在所述固定孔中。
4、 如权利要求 3所述的具有碳素烧烤管的微波炉， 其特征在于， 所述固定孔上还 设有压卡结构，所述压卡结构对应所述开口槽向下卡压位于所述固定孔中的碳素烧烤管 的一端。
5、 如权利要求 4所述的具有碳素烧烤管的微波炉， 其特征在于， 所述压卡结构为 一凳型的结构， 其一侧设有挂卡， 所述挂卡能够对应卡在所述隔热罩的侧壁的卡孔上； 该压卡结构的另一侧设有螺纹孔， 能够经由螺栓对应锁固于所述开口槽两侧。
6、 如权利要求 4或 5所述的具有碳素烧烤管的微波炉， 其特征在于， 所述碳素烧
烤管包括石英管体、 设置在所述石英管体内的碳素加热体、 设置在所述石英管体两端的 陶瓷连接头和接线端子；
所述石英管体两端分别形成密封的端部，所述碳素加热体两端与穿设于所述陶瓷连 接头内的接线端子电连接；
所述陶瓷连接头为侧面具有一平台的柱体， 该平台能够供所述压卡结构压紧； 所述 压卡结构的压卡部具有与所述平台对应紧密接触的配合结构。
7、 如权利要求 6所述的具有碳素烧烤管的微波炉， 其特征在于， 所述石英管体两 端分别形成密封的扁平端部， 所述陶瓷连接头内侧一端形成有供所述扁平端部插入的 U 形豁口； 所述接线端子为穿设于所述陶瓷结构另一端的片状接线端子； 所述 U形豁口与 所述片状接线端子的相互垂直设置， 且所述平台与所述片状接线端子平行。
8、 如权利要求 7所述的具有碳素烧烤管的微波炉， 其特征在于， 所述碳素加热体 为一扁平的碳素片。
9、 如权利要求 8所述的具有碳素烧烤管的微波炉， 其特征在于， 所述碳素片上开 设有多个孔， 所述孔以碳片中点对称分布， 且所述孔之间的距离由碳素片的中点向两端 逐渐减小。
10、 如权利要求 8或 9所述的具有碳素烧烤管的微波炉， 其特征在于， 所述碳素片 为平面方波形的碳素片。
11、 如权利要求 6所述的具有碳素烧烤管的微波炉， 其特征在于， 所述石英管内设 有两根并列设置的碳素加热体，两所述碳素加热体的一端经由一固定夹持件导通固定连 接， 形成该碳素加热体的封口端， 该固定夹持件的另一侧连接有固定钼杆， 该固定钼杆 固定于所述石英管的一端；两所述碳素加热体的另一端分别依序连接有钼夹、第一钼杆、 钼片和第二钼杆， 所述第二钼杆穿过所述石英管另一端而与所述接线端子电连接。
12、 如权利要求 6所述的具有碳素烧烤管的微波炉， 其特征在于， 所述碳素加热体 与所述钼夹之间还设有弹性端子， 所述弹性端子为网状的锥筒形结构， 其较小的一端与 所述钼夹固定连接， 较大的一端套设于所述碳素加热体的端部。
13、 如权利要求 1所述的具有碳素烧烤管的微波炉， 其特征在于， 所述导通金属片 的下方还设置有绝缘的云母片。
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| CN2204424Y (zh) * | 1994-08-05 | 1995-08-02 | 潘品英 | 电位、电压型多用测电笔 |
| CN1294419A (zh) * | 1999-10-29 | 2001-05-09 | 张立群 | 单体镍氢充电电池 |
| KR20040083644A (ko) * | 2003-03-24 | 2004-10-06 | 주식회사 대우일렉트로닉스 | 전자렌지용 히터 설치구조 |
| CN201093572Y (zh) * | 2007-07-31 | 2008-07-30 | 厦门灿坤实业股份有限公司 | 一种微波炉 |
-
2012
- 2012-07-31 CN CN201210269771.1A patent/CN103582200A/zh active Pending
-
2013
- 2013-04-08 WO PCT/CN2013/073880 patent/WO2014019382A1/zh active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2204424Y (zh) * | 1994-08-05 | 1995-08-02 | 潘品英 | 电位、电压型多用测电笔 |
| CN1294419A (zh) * | 1999-10-29 | 2001-05-09 | 张立群 | 单体镍氢充电电池 |
| KR20040083644A (ko) * | 2003-03-24 | 2004-10-06 | 주식회사 대우일렉트로닉스 | 전자렌지용 히터 설치구조 |
| CN201093572Y (zh) * | 2007-07-31 | 2008-07-30 | 厦门灿坤实业股份有限公司 | 一种微波炉 |
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