CN108606627B - Pressure-controlled gas pressure cooker - Google Patents
Pressure-controlled gas pressure cooker Download PDFInfo
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- CN108606627B CN108606627B CN201810901377.2A CN201810901377A CN108606627B CN 108606627 B CN108606627 B CN 108606627B CN 201810901377 A CN201810901377 A CN 201810901377A CN 108606627 B CN108606627 B CN 108606627B
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- cooker
- valve core
- safety device
- outlet
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- 238000007789 sealing Methods 0.000 claims abstract description 30
- 230000008859 change Effects 0.000 claims abstract description 10
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 45
- 230000006835 compression Effects 0.000 claims description 27
- 238000007906 compression Methods 0.000 claims description 27
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 239000007789 gas Substances 0.000 description 59
- 230000009471 action Effects 0.000 description 11
- 230000007306 turnover Effects 0.000 description 8
- 235000013305 food Nutrition 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/0802—Control mechanisms for pressure-cookers
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- 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
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/24—Warming devices
- A47J36/30—Devices for warming by making use of burning cartridges or other chemical substances
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- 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
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/32—Time-controlled igniting mechanisms or alarm devices
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- 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
Abstract
The invention relates to the technical field of pressure cooker, in particular to a pressure cooker capable of controlling pressure. The pressure control air pressure cooker comprises a cooker cover, an inner cooker and a base, wherein the inner cooker is connected with the base in a relatively sliding mode, the inner cooker can be in sealing connection with the cooker cover, a pressure maintaining assembly safety device is installed on the base, the free end of the pressure maintaining assembly safety device is in butt joint with the bottom of the inner cooker, a first air passage is arranged in the pressure maintaining assembly safety device, the first air passage is communicated with an infrared oven head, and when the pressure in a space formed by the inner cooker and the cooker cover is increased, the inner cooker can compress the pressure maintaining assembly safety device to change the on-off of the first air passage. The invention can solve the technical problem that the gas pressure cooker in the prior art can not realize automatic control of pressure.
Description
Technical Field
The invention relates to the technical field of pressure cooker, in particular to a pressure cooker capable of controlling pressure.
Background
The pressure cooker is also called as a pressure cooker, and is a kitchen cooker. The pressure cooker can raise the physical phenomenon by the boiling point of liquid under higher air pressure, and applies pressure to water, so that the water can reach higher temperature without boiling, and the efficiency of stewing food is accelerated. The electric pressure cooker and the common gas pressure cooker can be used for heating steamed foods to more than 100 ℃, and the problem that the steamed foods are difficult to cook due to the reduced boiling point of water can be avoided by using the pressure cooker in high-altitude areas. The electric pressure cooker is perfect in safety and intelligent control. However, for gas pressure cooker, since the control of gas can not be based on temperature change to realize accurate control of flame size and temperature by sensor and control system like electric control, automatic and unattended function cannot be realized yet.
Disclosure of Invention
The invention aims to provide a pressure-controlled gas pressure cooker, which solves the technical problem that the gas pressure cooker in the prior art cannot realize automatic pressure control.
The pressure control air pressure cooker comprises a cooker cover, an inner cooker and a base, wherein the inner cooker is connected with the base in a relatively sliding mode, the inner cooker can be in sealing connection with the cooker cover, a pressure maintaining assembly safety device is installed on the base, the free end of the pressure maintaining assembly safety device is in butt joint with the bottom of the inner cooker, a first air passage is arranged in the pressure maintaining assembly safety device, the first air passage is communicated with an infrared oven head, and when the pressure in a space formed by the inner cooker and the cooker cover is increased, the inner cooker can compress the pressure maintaining assembly safety device to change the on-off of the first air passage.
The pressure-control gas pressure cooker has the beneficial effects that:
through setting up with pot cover sealing connection's interior pot, along with interior pot constantly heated, the pressure in interior pot and the space that the pot cover formed increases for the required pressure of pot bottom also constantly increases in supporting, so interior pot is to the pressure that pressure maintaining assembly safety device applyed increase gradually, pressure maintaining assembly safety device action, with the first gas circuit of cutting off with infrared ray furnace end intercommunication for infrared ray furnace end no longer burns, thereby can reduce the temperature in the space between interior pot and the pot cover, the pressure reduces, avoid the pressure in the interior pot too big and produce danger, thereby can realize the function of automatic control pressure.
The preferable technical scheme, its additional improvement lies in, pressure maintaining assembly safety device includes the governing valve piece, be equipped with first communication space in the governing valve piece, first communication space and first business turn over gas port and first gas outlet intercommunication, slide in the first communication space and be provided with the depression bar, the governing valve piece can be stretched out to the one end of depression bar, the other end and the elastic component butt that resets of depression bar, the elastic component butt that resets is in the bottom of first communication space, the depression bar is connected with the case, the case can change the communication state of first business turn over gas port and first gas outlet when the case removes.
Through setting up the governing valve piece, utilize the first communication space in the governing valve piece to realize the intercommunication of first gas outlet and first business turn over gas port, when the depression bar received the pressure of the bottom of interior pot, the depression bar compression reset elastic component and move down to drive the case that is connected with the depression bar and move down, in order to seal first communication space, thereby cut off first gas outlet and first business turn over gas port. According to the structure, the displacement of the inner pot under the elastic supporting condition is converted into the on-off state of the first air passage, so that the connection between the air pressure in the inner pot and the start and stop of the infrared furnace head can be realized, and the danger caused by overlarge air pressure in the inner pot due to continuous combustion of the infrared furnace head is avoided.
A further preferred solution is additionally developed in that the pressure lever is in abutment with the valve element via a first compression elastic element.
Because the control of heat has hysteresis quality, close infrared stove head and can not make the pressure in the interior pot reduce immediately, so through setting up first sticis elastomeric element and connect depression bar and case, can be after infrared stove head closes, even the atmospheric pressure in the interior pot continues to rise, promote the depression bar through the bottom of replacing of interior pot and continue to advance, still have the buffer space between depression bar and the case, so that the depression bar pushes up bad case, perhaps also can avoid because the case is pushed up and will push up the depression bar and make the space in the interior pot unable continue to increase, lead to the pressure in the interior pot too big because of the case is propped up.
The further preferable technical scheme is characterized in that a valve core sealing ring is sleeved on the valve core, and the valve core sealing ring can seal the first communication space.
Through the valve core sealing ring of the valve core sleeved on the valve core, the first communication space can be blocked, when the sealing ring is separated from the sealing surface of the first communication space, the communication of the first communication space can be realized, and the gas from the first gas inlet to the first gas outlet flows, so that the infrared furnace head can burn normally.
The valve core is provided with a valve core positioning flange, and a valve core sealing ring is sleeved at the root of the valve core positioning flange.
Through setting up the case positioning flange, can restrict the maximum distance that the case moved down along the axial, also can utilize case positioning flange to bear the effort that first sticis elastomeric element acted on the case to make the depression bar can promote the case smoothly when promoting the case downward movement, avoid when case flange moves the bottom in first communication space, take place relative motion between case and the first sticis elastomeric element, finally improved the accuracy of action.
According to a further preferred technical scheme, the additional improvement is that an external thread part is arranged on the regulating valve block, and the regulating valve block is in threaded connection with the base.
Through set up external screw thread portion on the governing valve piece, the height on depression bar top when can adjusting initial state, and then can change the pressure in the interior pot when can making interior pot and depression bar contact to adjust the fluctuation range of pressure in the interior pot, in order to adjust the fluctuation range of pressure into suitable interval.
The preferable technical scheme is characterized by further comprising a thermocouple, wherein the thermocouple is arranged on the outer side of the infrared furnace head, the thermocouple is connected with an electromagnetic valve, and the electromagnetic valve controls the gas supply of the infrared furnace head.
Through setting up the thermocouple in the outside of infrared ray furnace end, when infrared ray furnace end ignites, the thermocouple is heated and is produced electromotive force, and the electromotive force that produces drives the solenoid valve action, can supply the gas for infrared ray furnace end burns. When accidental flameout occurs, the voltage of the thermocouple lead terminal is quickly reduced, so that a coil in the electromagnetic valve is powered off, and the electromagnetic valve rapidly cuts off a gas valve body passage under the action of a spring to prevent gas from overflowing.
The preferred solution is additionally improved in that the inner pot is supported on the base by means of an elastic displacement device.
The elastic displacement device is arranged to support the inner pot, so that the elastic displacement device can be utilized to resist the air pressure in the inner pot, the moving distance of the inner pot can be in linear relation with the pressure in the pot, and the pressure of the inner pot is prevented from being completely applied to the pressure rod of the pressure maintaining assembly safety device. Meanwhile, the plurality of elastic displacement devices are arranged, so that the movement of the inner pot is more stable and uniform, and the inner pot is prevented from tilting in the movement.
The preferable technical scheme is that the device further comprises an elastic temperature limiting device, the elastic temperature limiting device comprises a temperature sensing block, a bimetal temperature controller is embedded in the temperature sensing block, the temperature sensing block is further connected with a pressing sleeve, the pressing sleeve presses the bimetal temperature controller in the temperature sensing block, a heat insulation sleeve is sleeved outside the pressing sleeve, the pressing sleeve is further connected with a second pressing elastic component, the second pressing elastic component is further abutted to the heat insulation rubber block, the heat insulation rubber block is arranged on a temperature sensing pressing plate, and the temperature sensing pressing plate is connected with the bottom of the furnace end shell.
Through setting up elasticity temperature limiter, utilize the second to compress tightly the elastic component and come the top and compress tightly tight cover to utilize the tight cover to make bimetal temperature controller can pass through the temperature sensing piece and the bottom surface in close contact with of pot, the temperature of the measurement pot body that can be reliable. Meanwhile, the second pressing elastic part can avoid the supporting force against the air pressure in the inner pot when the inner pot moves only by the elastic temperature limiting device, and can avoid the damage of the elastic temperature limiting device.
The further preferable technical scheme is characterized by further comprising an ignition device, wherein the ignition device comprises a fire tube, the fire tube and the ignition needle are oppositely arranged, the fire tube is communicated with a second air inlet and outlet, the second air inlet and outlet is arranged in the first communication space, and the second air inlet and outlet can be kept communicated with the first air inlet and outlet.
Through setting up the ignition tube to utilize the ignition tube intercommunication second business turn over gas port, can still keep the intercommunication between second business turn over gas port and the first business turn over gas port when the case will break between first gas outlet and the first business turn over gas port in the first communication space, with the ignition tube continuous light a small amount of gas, make in the interior pot in the state of keeping warm or slowly cooling, in order to do benefit to the food maturity in the control country.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a pressure control gas pressure cooker in cross-section from one direction, showing a pressure maintaining assembly safety device, according to a first embodiment of the invention;
fig. 2 is a schematic view of a pressure-controlled gas pressure cooker according to a first embodiment of the invention, which is a schematic view of the pressure-controlled gas pressure cooker taken from another direction, in which a timer is shown;
FIG. 3 is a schematic view of a pressure-controlled gas pressure cooker of the first embodiment of the invention, cut from another direction, showing a solenoid valve, a gas overpressure constant pressure valve;
FIG. 4 is a schematic perspective view of a pressure maintenance assembly safety device of the first embodiment, with the top and bottom of the pressure maintenance assembly safety device shown in the opposite direction from that of FIG. 1;
FIG. 5 is a schematic view in partial cross-section in perspective of FIG. 4;
FIG. 6 is a cross-sectional view of a pressure maintenance assembly safety device in embodiment one;
FIG. 7 is a top view of an infrared burner in a first embodiment;
fig. 8 is a schematic perspective view of the infrared ray burner in the first embodiment, as seen obliquely from below;
fig. 9 is a schematic perspective view of the infrared ray burner in the first embodiment, as seen obliquely from above;
FIG. 10 is a cross-sectional view of an infrared burner in accordance with the first embodiment;
FIG. 11 is a schematic diagram of the operation of the first embodiment;
fig. 12 is a schematic diagram of the wiring of the first embodiment.
Icon: 1-an opening and closing handle; 2-uncap safety device; 3-closing the cover safety device; 4-a temperature limiting safety device; 401-conductive lines; 402-a temperature-sensitive pressure plate; 403-a temperature-sensing pressure plate connecting plate; 404-insulating glue block; 405-a second compression spring; 408-a sleeve; 409-an elastic coil; 410-pressing sleeve; 411-temperature sensing block; 412-a bimetallic thermostat; 5-infrared furnace heads; 506-burner housing; 507-infrared ceramic front net; 513-pressing the cover ring; 6, a base; 7-a pot cover; 8-an overflow-proof sealant safety device; 9-inner pot; 10-an outer pot; 11-an intermediate heating heat conducting plate; 12-a igniting tube; 13-an ignition needle; 14-a thermocouple; 15-a pressure maintaining assembly safety device; 1501-an air guide mounting plate; 1502-an air guide outer ring; 1503-first air inlet and outlet; 1504-sealing ring; 1505-valve core; 1506-quick regulating valve; 1507-locking screws; 1508-a compression bar; 1509-a return elastic member; 1510-a first compression elastic member; 1511-an air outlet; 1512-a second air inlet and outlet; 16-a pressure-limiting exhaust safety device; 17-an anti-blocking safety device; 18-an elastic displacement safety device; 19-a pressure limiting safety device; 20-timer; 21-a gas overpressure constant pressure valve; 22-solenoid valve.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1-12, the pressure-controlled gas pressure cooker comprises a cooker cover 7, an inner cooker 9 and a base 6, wherein the inner cooker 9 is arranged in an outer cooker 10, a cover opening safety device 2, a pressure-limiting exhaust safety device 16 and a pressure-limiting safety device 19 are arranged on the cooker cover 7, an anti-blocking safety device 17 is further arranged at the lower end of the pressure-limiting exhaust safety device 16, an opening and closing handle 1 is arranged on the upper surface of the cooker cover 7, a cover closing safety device 3 is arranged at the non-pivoted end of the cooker cover 7 and the outer cooker 10, and a timer 20 is further arranged on the base 6. The cover opening safety device 2, the pressure limiting exhaust safety device 16, the pressure limiting safety device 19, the anti-blocking safety device 17, the opening and closing handle 1 and the cover closing safety device 3 all belong to the prior art, and are not necessarily technical characteristics required for solving corresponding technical problems in the scheme, so that a person skilled in the art can naturally clearly know how to reliably connect the cover 7 with the outer pot 10 without being opened at will after covering the cover 7, and also can clearly know how to discharge gas from the cover 7 so that the pressure cooker is not dangerous, and therefore, the technical means are not repeated in the application.
The inner pot 9 is connected with the base 6 in a relatively sliding manner, the inner pot 9 can be in sealing connection with the pot cover 7, and specifically, an anti-overflow sealant safety device 8 is arranged between the inner pot 9 and the pot cover 7. The overflow-proof sealant safety device 8 is adopted for sealing, and can still keep enough sealing effect when the inner pot 9 and the pot cover 7 relatively move. The base 6 is provided with a pressure maintaining assembly safety device 15, the free end of the pressure maintaining assembly safety device 15 is abutted with the bottom of the inner pot 9, a first air passage is arranged in the pressure maintaining assembly safety device 15 and is communicated with the infrared oven head 5, and when the pressure in the space formed by the inner pot 9 and the pot cover 7 is increased, the inner pot 9 can compress the pressure maintaining assembly safety device 15 to change the on-off state of the first air passage.
Through setting up with pot cover 7 sealing connection's interior pot 9, along with interior pot 9 constantly heated, the pressure in the space that interior pot 9 and pot cover 7 formed increases, be used for supporting interior pot 9 bottom required pressure also constantly increases, so interior pot 9 is to the pressure that pressure maintaining assembly safety device 15 applyed increase gradually, pressure maintaining assembly safety device 15 action, with the first gas circuit of cutting off with infrared furnace end 5 intercommunication, make infrared furnace end 5 no longer burn, thereby can reduce the temperature in the space between pot 9 and the pot cover 7, the pressure reduces, avoid interior pot 9 in the pressure too big and produce danger, thereby can realize the function of automatic control pressure.
Specifically, the pressure maintaining assembly safety device 15 includes a regulating valve block, a first communication space is provided in the regulating valve block, the first communication space is communicated with the first air inlet and outlet 1503 and the first air outlet 1511, a compression rod 1508 is slidably provided in the first communication space, one end of the compression rod 1508 can extend out of the regulating valve block, and the other end of the compression rod 1508 is abutted to the reset elastic component 1509. The upper end of the compression rod 1508 can be locked by a locking screw 1507 in threaded connection with the adjusting valve block, the reset elastic member 1509 abuts against the bottom of the first communication space, the compression rod 1508 is connected with the valve core 1505, and the valve core 1505 can change the communication state between the first air inlet and outlet port 1503 and the first air outlet port 1511 when the valve core 1505 moves. The adjusting valve block is installed in the air guide outer ring 1502, the air guide outer ring 1502 is installed on the base 6 through the air guide mounting plate 1501, the air guide outer ring 1502 is provided with a first air inlet and outlet 1503, a first air outlet 1511 and a second air inlet and outlet 1512, and the adjusting valve block is sealed with the air guide outer ring 1502 through the sealing ring 1504, so that the first air inlet and outlet 1503, the second air inlet and outlet 1512 and the first air outlet 1511 can only be ventilated with the first communication space, and the problem of air leakage cannot occur.
By arranging the regulating valve block, the first air outlet 1511 is communicated with the first air inlet and outlet 1503 by using the first communication space in the regulating valve block, when the compression rod 1508 receives the pressure of the bottom of the inner pot 9, the compression rod 1508 compresses the reset elastic component 1509 and moves downwards, so as to drive the valve core 1505 connected with the compression rod 1508 to move downwards, so as to seal the first communication space, and further isolate the first air outlet 1511 from the first air inlet and outlet 1503. The structure can realize the association between the air pressure in the inner pot 9 and the start and stop of the infrared furnace head 5 so as to avoid the danger caused by overlarge air pressure in the inner pot 9 due to continuous combustion of the infrared furnace head 5.
More specifically, the plunger 1508 abuts the spool 1505 via a first compression spring.
Because the control of heat has hysteresis, closing the infrared burner 5 can not immediately reduce the pressure in the inner pot 9, so by arranging the first compressing elastic component to connect the compression rod 1508 and the valve core 1505, even if the air pressure in the inner pot 9 continues to rise after the infrared burner 5 is closed, the compression rod 1508 is pushed to continue to advance by the alternative bottom of the inner pot 9, a buffer space is still reserved between the compression rod 1508 and the valve core 1505, so that the compression rod 1508 breaks the valve core 1505, or the situation that the space in the inner pot 9 can not continue to increase because the valve core 1505 is propped against the compression rod 1508, so that the pressure in the inner pot 9 is overlarge can be avoided.
More specifically, the valve core 1505 is sleeved with a valve core 1505 sealing ring 1504, and the valve core 1505 sealing ring 1504 can seal the first communication space.
Through the valve core 1505 is sleeved with the valve core 1505 sealing ring 1504, the first communicating space can be blocked, when the sealing ring 1504 is separated from the sealing surface of the first communicating space, the communication of the first communicating space can be realized, and the gas between the first gas inlet and the first gas outlet 1503 flows, so that the infrared furnace head 5 can burn normally.
More specifically still, a spool positioning flange is provided on the spool 1505, and a spool 1505 sealing ring 1504 is sleeved at the root of the spool positioning flange. Specifically, the valve core 1505 further includes a valve core 1505 positioning shaft, and the valve core 1505 positioning shaft is disposed below the valve core positioning flange shown in fig. 6. The valve core 1505 positioning shaft may be inserted into a counterbore at the bottom of the first communication space.
Through setting up the case positioning flange, can restrict the maximum distance that the case 1505 moved down along the axial, also can utilize the case positioning flange to bear the effort that first sticis elastomeric element acted on the case 1505 to make the depression bar 1508 can promote the case 1505 smoothly when promoting the downward motion of case 1505, avoid when the bottom in case 1505 flange motion to first communication space, take place relative motion between case 1505 and the first sticis elastomeric element, finally improved the accuracy of action.
Further specifically, the ignition device is further included, the ignition device comprises a fire tube 12, the fire tube 12 is arranged opposite to the ignition needle 13, the fire tube 12 is communicated with a second air inlet and outlet 1512, the second air inlet and outlet 1512 is arranged in the first communication space, and the second air inlet and outlet 1512 can be kept communicated with the first air inlet and outlet 1503. Specifically, the first air inlet and outlet 1503 and the second air inlet and outlet 1512 are both disposed in the counter bore, so that even if the sealing ring 1504 on the valve core 1505 cuts off the communication between the first air inlet and outlet 1503 and the first air outlet 1511, the communication between the first air inlet and outlet 1503 and the second air inlet and outlet 1512 is not obstructed.
By arranging the ignition tube 12 and communicating the second air inlet and outlet 1512 by using the ignition tube 12, when the valve core 1505 interrupts the first air outlet 1511 and the first air inlet and outlet 1503 in the first communicating space, the communication between the second air inlet and outlet 1512 and the first air inlet and outlet 1503 can still be maintained, so that a small amount of fuel gas is continuously ignited by using the ignition tube 12, and the inner pot 9 is in a heat preservation or slow cooling state, thereby being beneficial to controlling domestic food maturation.
More specifically, the adjusting valve block is provided with an external thread portion, and the adjusting valve block is screwed with the base 6.
By providing the external screw portion on the adjusting valve block, the height of the top end of the pressure lever 1508 in the initial state can be adjusted, and thus the pressure in the inner pan 9 when the inner pan 9 is brought into contact with the pressure lever 1508 can be changed, thereby adjusting the fluctuation range of the pressure in the inner pan 9 to adjust the fluctuation range of the pressure to a proper range.
Specifically, the infrared burner further comprises a thermocouple 14, wherein the thermocouple 14 is arranged on the outer side of the infrared burner 5, the thermocouple 14 is connected with a solenoid valve 22, and the solenoid valve 22 controls the gas supply of the infrared burner 5.
By arranging the thermocouple 14 outside the infrared burner 5, when the infrared burner 5 ignites, the thermocouple 14 is heated to generate electromotive force, and the generated electromotive force drives the electromagnetic valve 22 to act, so that gas can be supplied to the infrared burner to burn. When accidental flameout occurs, the voltage of the lead end of the thermocouple 14 is quickly reduced, so that the coil in the electromagnetic valve 22 is powered off, and the electromagnetic valve 22 rapidly cuts off a gas valve body passage under the action of a spring to prevent gas from overflowing.
In particular, the inner pot 9 is supported on the base 6 by means of elastic displacement means.
By providing the elastic displacement means to support the inner pot 9, the elastic displacement means can be utilized to oppose the gas pressure in the inner pot 9, so that the moving distance of the inner pot 9 can be in a linear relationship with the pressure in the pot, and the pressure of the inner pot 9 is prevented from being entirely applied to the compression rod 1508 of the pressure maintaining assembly safety device 15. Meanwhile, the plurality of elastic displacement devices are arranged, so that the movement of the inner pot 9 is more stable and uniform, and the inner pot 9 is prevented from tilting in the movement.
Specifically, the device also comprises an elastic temperature limiting device, the elastic temperature limiting device comprises a temperature sensing block 411, a bimetal temperature controller 412 is embedded in the temperature sensing block 411, and the bimetal temperature controller 412 can be led out through a conductive wire 401 and connected in series to a control circuit of the electromagnetic valve 22. The temperature sensing piece 411 is also connected with a pressing sleeve 410, the pressing sleeve 410 presses the bimetallic temperature controller 412 in the temperature sensing piece 411, a heat insulation sleeve 408 is sleeved outside the pressing sleeve 410, an elastic coil 409 is sleeved outside the heat insulation sleeve 408, the pressing sleeve 410 is also connected with a second pressing elastic component 405, the second pressing elastic component 405 is also abutted to the heat insulation rubber piece 404, the heat insulation rubber piece 404 is arranged on the temperature sensing pressing plate 402, and the temperature sensing pressing plate 402 is connected with the bottom of the furnace end shell 506. An infrared ceramic front net 507 is installed on the top of the burner housing 506, and the infrared ceramic front net 507 is compressed by a compressing cover ring 513. The second compressing elastic member 405 may be a coil compression spring. The temperature-sensitive pressure plate 402 may be fixed to the bottom plate of the infrared ray furnace head 5 by a temperature-sensitive pressure plate connecting plate 403.
By providing the elastic temperature limiting device, the second pressing elastic part 405 is utilized to press the pressing sleeve 410, and the pressing sleeve 410 is utilized to enable the bimetal temperature controller 412 to be in close contact with the bottom surface of the inner pot 9 through the temperature sensing block 411, so that the temperature of the pot body can be reliably measured. At the same time, the second pressing elastic component 405 can avoid the supporting force against the air pressure in the inner pot 9 when the inner pot 9 moves only by the elastic temperature limiting device, and can avoid the damage of the elastic temperature limiting device.
As shown in fig. 11, the principle of operation of the present embodiment is as follows:
when the pressure cooker is used, corresponding food materials are put into the inner cooker 9, the cooker cover 7 is covered, and the cooker cover 7 is locked by the cover closing safety device 3.
The gas with the gas pressure limited by the gas overpressure constant pressure valve 21 flows into the second gas inlet and outlet 1512 from the first gas inlet and outlet 1503 through the counter bore in the first communication space, and is ejected from the ignition tube 12 through the ignition tube 12, and the gas ejected from the ignition tube 12 is ignited by the electric spark released by the ignition needle 13. Meanwhile, because the air pressure of the space in the inner pot 9 and the pot cover 7 is not large, the compression bar 1508 can not be compressed, so that the fuel gas can flow into the infrared oven head 5 for combustion through the first air inlet and outlet 1503 and the first air outlet 1511, and the fuel gas can heat the bottom of the inner pot 9, so that the food in the inner pot 9 is heated. When the infrared burner 5 is ignited, the thermocouple 14 is heated to generate electromotive force, and the generated electromotive force drives the electromagnetic valve 22 to act, so that fuel gas can be supplied, and the infrared burner burns. When accidental flameout occurs, the voltage of the lead end of the thermocouple 14 is quickly reduced, so that the coil in the electromagnetic valve 22 is powered off, and the electromagnetic valve 22 rapidly cuts off a gas valve body passage under the action of a spring to prevent gas from overflowing.
When the air pressure in the inner pot 9 is large, the compression rod 1508 is under the pressure of the bottom of the inner pot 9 (meanwhile, the elastic displacement safety device 18 and the temperature limiting safety device 4 are also compressed under the force), the compression rod 1508 compresses the reset elastic component 1509 and moves downwards, so as to drive the valve core 1505 connected with the compression rod 1508 to move downwards, and the sealing ring 1504 at the root of the positioning flange of the valve core 1505 seals the counter bore at the bottom of the first communication space to seal the up-down communication of the first communication space, so that the first air outlet 1511 is isolated from the first air inlet and outlet 1503. Because the movement of the valve core 1505 does not change the communication between the first air inlet and outlet 1503 and the second air inlet and outlet 1512, the ignition tube 12 does not break air, combustion continues, the ignition tube 12 is a relatively small flame, the middle heating heat conducting disc 11 cannot be heated, the air pressure in the inner pot 9 can be reduced, after the air pressure in the inner pot 9 is reduced to a set value, the compression rod 1508 in the pressure maintaining assembly safety device 15 is jacked up under the action of the reset elastic component 1509 to drive the valve core 1505 to move upwards, so that the first air inlet and outlet 1503 is communicated with the first air outlet 1511, the infrared furnace head 5 is continuously heated, and the air pressure in the inner pot 9 is increased again. The above-mentioned gas closing, pressure reducing, gas opening, ignition and pressure increasing are repeated, so that the cyclic operation can be implemented, and the pressure-maintaining action can be implemented, and the pressure cooker can not be completely stopped until the time of timer 20 is reached, the action of electromagnetic valve 22 is cut off, gas circuit gas supply is closed.
Specifically, the pressure maintaining assembly safety device 15 can control the air pressure in the inner pot 9 to float between 1kPa and 5kPa, 1KPa opens the air passage, 5KPa closes the air passage, and the back and forth circulation plays a role in maintaining pressure in a certain range.
If the temperature in the pot reaches 150 ℃ or is dry, the bimetallic strip in the temperature limiting safety device 4 is disconnected with the controlled contact due to high temperature, the connecting electromagnetic valve 22 is powered off, and the gas valve body is cut off to be connected for temperature limiting protection.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified, or some or all of the technical features may be replaced equivalently, for example:
in a first embodiment, a sealing ring is installed at the root of a positioning flange of a valve core, in practice, an annular groove may be further provided on the outer circumferential surface of a shaft portion of the valve core to install the sealing ring, or an annular groove may be provided on the lower end surface of the positioning flange, and the sealing ring is installed in the annular groove of the end surface.
In the first embodiment, when the infrared furnace head is closed, the ignition tube is used for continuous heating, in fact, when the infrared furnace head is closed, the ignition tube is not needed for heating, and when the pressure is reduced to a certain value, the ignition tube is directly started for heating.
In addition, the infrared furnace head can be cooled down to emit heat energy to generate electricity and charge when the infrared furnace head is closed, and the electric pulse ignition is performed by the recharged electric energy.
Such modifications and substitutions do not depart from the spirit of the invention.
Claims (9)
1. The pressure-controlled air pressure cooker is characterized by comprising a cooker cover, an inner cooker and a base, wherein the inner cooker is connected with the base in a relatively sliding manner, the inner cooker can be in sealing connection with the cooker cover, a pressure-maintaining assembly safety device is arranged on the base, the free end of the pressure-maintaining assembly safety device is abutted to the bottom of the inner cooker, a first air passage is arranged in the pressure-maintaining assembly safety device, the first air passage is communicated with an infrared oven head, and when the pressure in a space formed by the inner cooker and the cooker cover is increased, the inner cooker can compress the pressure-maintaining assembly safety device to change the on-off of the first air passage;
the pressure maintaining assembly safety device comprises a regulating valve block, a first communication space is arranged in the regulating valve block, the first communication space is communicated with a first air inlet and outlet and a first air outlet, a pressing rod is slidably arranged in the first communication space, one end of the pressing rod can extend out of the regulating valve block, the other end of the pressing rod is in butt joint with a reset elastic component, the reset elastic component is in butt joint with the bottom of the first communication space, the pressing rod is connected with a valve core, and the valve core can change the communication state of the first air inlet and outlet and the first air outlet when the valve core moves.
2. The pressure cooker of claim 1, wherein the plunger is in abutment with the valve core by a first compression spring.
3. The pressure cooker of claim 1, wherein the valve core is sleeved with a valve core sealing ring, and the valve core sealing ring can seal the first communication space.
4. The pressure-controlled gas pressure cooker of claim 3, wherein the valve core is provided with a valve core positioning flange, and the valve core sealing ring is sleeved at the root of the valve core positioning flange.
5. The pressure cooker according to any one of claims 1 to 4, wherein the adjusting valve block is provided with an external screw portion, and the adjusting valve block is screw-coupled with the base.
6. The pressure cooker of any one of claims 1 to 4, further comprising a thermocouple mounted outside said infrared burner, said thermocouple being connected to a solenoid valve that controls the gas supply to said infrared burner.
7. The pressure cooker of any one of claims 1 to 4, wherein said inner cooker is supported on said base by elastic displacement means.
8. The pressure cooker according to any one of claims 1 to 4, further comprising an elastic temperature limiting device, wherein the elastic temperature limiting device comprises a temperature sensing block, a bimetal temperature controller is embedded in the temperature sensing block, the temperature sensing block is further connected with a pressing sleeve, the pressing sleeve presses the bimetal temperature controller in the temperature sensing block, a heat insulation sleeve is sleeved outside the pressing sleeve, the pressing sleeve is further connected with a second pressing elastic component, the second pressing elastic component is further abutted in a heat insulation rubber block, the heat insulation rubber block is mounted on a temperature sensing pressure plate, and the temperature sensing pressure plate is connected with the bottom of the burner housing.
9. The pressure cooker according to any one of claims 1 to 4, further comprising an ignition device including a pilot tube disposed opposite the ignition needle, the pilot tube communicating with a second air inlet and outlet disposed in the first communication space, the first air inlet and outlet being capable of maintaining communication with the second air inlet and outlet.
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| CN201810901377.2A CN108606627B (en) | 2018-08-09 | 2018-08-09 | Pressure-controlled gas pressure cooker |
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| CN201810901377.2A CN108606627B (en) | 2018-08-09 | 2018-08-09 | Pressure-controlled gas pressure cooker |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110250937B (en) | 2017-08-09 | 2020-09-04 | 沙克忍者运营有限责任公司 | Cooking system |
| USD914447S1 (en) | 2018-06-19 | 2021-03-30 | Sharkninja Operating Llc | Air diffuser |
| USD934027S1 (en) | 2018-08-09 | 2021-10-26 | Sharkninja Operating Llc | Reversible cooking rack |
| USD903413S1 (en) | 2018-08-09 | 2020-12-01 | Sharkninja Operating Llc | Cooking basket |
| USD883014S1 (en) | 2018-08-09 | 2020-05-05 | Sharkninja Operating Llc | Food preparation device |
| USD883015S1 (en) | 2018-08-09 | 2020-05-05 | Sharkninja Operating Llc | Food preparation device and parts thereof |
| US20190254476A1 (en) | 2019-02-25 | 2019-08-22 | Sharkninja Operating Llc | Cooking device and components thereof |
| WO2020176477A1 (en) | 2019-02-25 | 2020-09-03 | Sharkninja Operating Llc | Cooking system with guard |
| USD918654S1 (en) | 2019-06-06 | 2021-05-11 | Sharkninja Operating Llc | Grill plate |
| USD982375S1 (en) | 2019-06-06 | 2023-04-04 | Sharkninja Operating Llc | Food preparation device |
| US20210121012A1 (en) | 2020-03-30 | 2021-04-29 | Sharkninja Operating Llc | Cooking device and components thereof |
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| CN108606627A (en) | 2018-10-02 |
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