CN202891584U - Control device of electric pressure cooker - Google Patents

Control device of electric pressure cooker Download PDF

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Publication number
CN202891584U
CN202891584U CN 201220481284 CN201220481284U CN202891584U CN 202891584 U CN202891584 U CN 202891584U CN 201220481284 CN201220481284 CN 201220481284 CN 201220481284 U CN201220481284 U CN 201220481284U CN 202891584 U CN202891584 U CN 202891584U
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CN
China
Prior art keywords
control
signal
electric pressure
temperature
cooking saucepan
Prior art date
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Withdrawn - After Issue
Application number
CN 201220481284
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Chinese (zh)
Inventor
柏长升
黎才振
陈正超
钟石刚
苏雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Zhongshan Small Home Appliances Co Ltd
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Zhongshan Small Home Appliances Co Ltd
Gree Electric Appliances Inc of Zhuhai
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Application filed by Gree Zhongshan Small Home Appliances Co Ltd, Gree Electric Appliances Inc of Zhuhai filed Critical Gree Zhongshan Small Home Appliances Co Ltd
Priority to CN 201220481284 priority Critical patent/CN202891584U/en
Application granted granted Critical
Publication of CN202891584U publication Critical patent/CN202891584U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a control device of an electric pressure cooker. The control device comprises a radiation disc, a control board and a sensing control switch, wherein a relay switch is arranged between an L1 interface and an L2 interface of the control board, the L1 interface is connected with one end of the radiation disc, and the other end of the radiation disc is connected with the other end of a power source. When pressure of the sensing control switch in the cooker is higher than a first pressure value, a first signal is transmitted to the control board, and the control board controls connection of the relay switch when the control board receives the first signal. After the sensing control switch transmits the first signal, a second signal is transmitted to the control board when the temperature in the cooker is higher than a first temperature value, and a third signal is transmitted to the control board when the temperature in the cooker is lower than the first temperature value. When the control board receives the second signal, the control board controls disconnection of the relay switch. When the control board receives the third signal, the control board controls the connection of the relay switch. The control device of the electric pressure cooker with the technical scheme adopted is capable of solving the problem that boiling can not be achieved in the process of cooking in an existing electric pressure cooker.

Description

A kind of electric pressure cooking saucepan control device
Technical field
The utility model relates to small household appliances and makes the field, particularly relates to a kind of electric pressure cooking saucepan control device.
Background technology
Existing electric pressure cooking saucepan generally all uses hermetically sealedly cooks without boiling mode.Under this pattern, food does not roll in the cooking process; Can't reach fluidized state because of the sealing in the pot, the rice meeting burnt hair that therefore cooks, and the mouthfeel of rice is fragrant not strongly fragrant.
In sum, existing electric pressure cooking saucepan can only use hermetically sealedly cooks without boiling mode, thereby can't reach boiling.
The utility model content
The utility model provides a kind of electric pressure cooking saucepan control device, can only use hermetic mode to cook to solve existing electric pressure cooking saucepan, thereby can't reach the problem of boiling.
The utility model discloses a kind of electric pressure cooking saucepan control device, this electric pressure cooking saucepan control device comprises: heat-generating disc, control panel and induction gauge tap; Wherein, described control panel is provided with L1 interface and L2 interface; One end of L2 interface and power supply joins; One end of L1 interface and heat-generating disc joins, and the other end of heat-generating disc and the other end of power supply join; Be provided with relay switch between L1 interface and the L2 interface; Send first signal to control panel when the pressure of induction gauge tap in electric pressure cooking saucepan is higher than the first force value, control panel is when receiving first signal, and the control relay switch is connected; The induction gauge tap sends secondary signal to control panel when the temperature in electric pressure cooking saucepan is higher than the first temperature value after sending first signal, send the 3rd signal to control panel when the temperature of induction gauge tap in electric pressure cooking saucepan is lower than the first temperature value; Control panel is when receiving secondary signal, and the control relay switch disconnects; Control panel is when receiving the 3rd signal, and the control relay switch is connected.
In said apparatus, the induction gauge tap sends first signal to control panel when further the temperature in electric pressure cooking saucepan is higher than the second temperature value, the induction gauge tap sends secondary signal to control panel when further the temperature in electric pressure cooking saucepan is higher than the 3rd temperature value, and the induction gauge tap sends the 3rd signal to control panel when further the temperature in electric pressure cooking saucepan is lower than the 3rd temperature value.
In said apparatus, described electric pressure cooking saucepan control device also comprises: temperature control timer and pressurize timer; Control panel starts the temperature control timer after receiving first signal; Control panel starts the pressurize timer after the temperature control timer makes zero, control panel is after the pressurize timer makes zero, and the control relay switch disconnects.
In said apparatus, described induction gauge tap sends the 4th signal to control panel when the Voltage force kettle temperature is higher than the protection temperature value, and control panel is when receiving the 4th signal, and the control relay switch disconnects.
In said apparatus, described electric pressure cooking saucepan control device also comprises: buzzer; Wherein, control panel is controlled buzzer work when receiving the 4th signal.
In said apparatus, described electric pressure cooking saucepan control device also comprises: thermal fuse-link; One end of described thermal fuse-link links to each other with an end of power supply, and the other end of thermal fuse-link links to each other with the L2 interface; Perhaps, an end of described thermal fuse-link links to each other with the other end of power supply, and the other end of thermal fuse-link links to each other with an end of heat-generating disc, and the other end of heat-generating disc links to each other with the L1 interface.
In said apparatus, described induction gauge tap comprises pressure switch and temperature sensor; Wherein, temperature sensor is thermistor or thermal switch, and pressure switch is inching switch, bimetal leaf flashing switch or Temperature Control Type switch.
In said apparatus, described the first force value is 40kpa ~ 60kpa, and described the first temperature value is 145 ℃ ~ 155 ℃, and the second temperature value is 130 ℃ ~ 140 ℃, and the 3rd temperature value is 115 ℃ ~ 125 ℃.
In said apparatus, the timing duration of described temperature control timer is 2min ~ 10min; The timing duration of described pressurize timer is 6min ~ 20min.
In said apparatus, described electric pressure cooking saucepan control device also comprises: display board; Described display board comprises a plurality of input stitch, and wherein, described stitch links to each other with the signal output part of pressure switch, temperature sensor, microswitch, buzzer or relay switch respectively.
In sum, the utility model provide a kind of electric pressure cooking saucepan control device, control panel in this electric pressure cooking saucepan control device is according to the connection of the relay switch between the first signal control L1 branch road that receives and the L2 branch road, disconnect according to the 3rd signal controlling relay switch that receives, connect according to the secondary signal control relay switch that receives; So repeatedly realize little boiling of cooking process.The electric pressure cooking saucepan control device that the utility model provides uses less components and parts just can realize the cooking function of little boiling.So that in the intermittent little boiling of full stage of cooking process; It is more even to cook the rice that takes, can burnt hair, improved the mouthfeel of rice.
Description of drawings
Fig. 1 is the utility model with a kind of circuit theory diagrams of electric pressure cooking saucepan control device;
Fig. 2 is the circuit theory diagrams of a kind of relay switch in the utility model;
Fig. 3 is the detailed circuit schematic diagram of a kind of electric pressure cooking saucepan control device in the utility model;
Fig. 4 is the circuit theory diagrams of a kind of buzzer in the utility model;
Fig. 5 is the circuit theory diagrams of a kind of digital circuit power source in the utility model;
Fig. 6 is the structural representation of a kind of display board in the utility model;
Fig. 7 is the workflow diagram of a kind of electric pressure cooking saucepan control device in the utility model.
The specific embodiment
Core of the present utility model is: the L2 interface of control panel and an end of power supply join; One end of L1 interface and heat-generating disc joins, and the other end of heat-generating disc and the other end of power supply join; And the L1 interface and the L2 interface between relay switch is set; When being higher than the first force value, the pressure of induction gauge tap in electric pressure cooking saucepan sends first signal to control panel, send secondary signal to control panel when the temperature of induction gauge tap in electric pressure cooking saucepan is higher than the first temperature value, send the 3rd signal to control panel when the temperature of induction gauge tap in electric pressure cooking saucepan is lower than the first temperature value; Control panel is when receiving first signal, and the control relay switch is connected; After receiving first signal, when receiving secondary signal, the control relay switch is connected; When receiving the 3rd signal, the control relay switch disconnects, until cooking process finishes.Namely by the different conditions in the pot that monitors, according to the continuous little fluidized state of break-make realization of unlike signal control relay switch.
Cardinal principle of the present utility model is to adopt control panel and induction gauge tap control jug with heating disk, when the temperature in pot is higher than the first temperature value, the interior pressure of pot this moment is higher than the threshold values of pressure limiting valve, pressure limiting valve exhausting then, pot inner pressure reduces, make pot interior food reach little fluidized state, simultaneously control panel control heat-generating disc stopped heating; When the temperature in the pot was lower than the first temperature value, control panel control heat-generating disc continued heating, so that the temperature and pressure in the pot all raises.So the full stage intermittent boiling of cooking process is guaranteed in circulation, and the rice that cooks so can burnt hair, and more fragrant strongly fragrant.
The electric pressure cooking saucepan control device that the utility model provides is not limited to be applied to electric pressure cooking saucepan, can be applied to any under cooking status the household electrical appliance with pressure.
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model embodiment is described in further detail.
The technical solution of the utility model is achieved in that in order to achieve the above object
Embodiment one
Fig. 1 is the utility model with a kind of circuit theory diagrams of electric pressure cooking saucepan control device, as shown in Figure 1,
N-L is that external AC power, R0 is heat-generating disc, and M is control panel, and L1 and L2 represent L1 interface and the L2 interface that control panel M is provided with, and wherein, an end of L2 interface and power supply joins; One end of L1 interface and heat-generating disc joins, and the other end of heat-generating disc and the other end of power supply join; Be provided with relay switch between L1 interface and the L2 interface.Wherein, described induction gauge tap comprises: pressure switch K1 and temperature sensor K2; Wherein, temperature sensor K2 is thermistor or thermal switch; Pressure switch K1 is inching switch, bimetal leaf flashing switch or Temperature Control Type switch.
Wherein, P1, P2 are interface or the slot that is arranged on the control panel, are used for pegging graft the components and parts such as external pressure switch, temperature sensor.
K1 is pressure switch, sends first signal to control panel when its pressure in electric pressure cooking saucepan is higher than the first force value.
K2 is temperature sensor, sends secondary signal to control panel when its temperature in electric pressure cooking saucepan is higher than the first temperature value; When being lower than the first temperature value, the temperature in electric pressure cooking saucepan sends the 3rd signal to control panel.
According to actual conditions described the first force value and the first temperature value are set; Concrete, described the first force value is 40kpa ~ 60kpa; Described the first temperature value is 145 ℃ ~ 155 ℃.
Selecting under little boiling mode, control panel M is when receiving first signal, and the control relay switch is connected, and heat-generating disc works on; After receiving first signal, control panel M is when receiving secondary signal, and the control relay switch disconnects, and heat-generating disc quits work; Control panel M is when receiving the 3rd signal, and the control relay switch is connected, and heat-generating disc works on.
Because in certain volume, temperature is directly proportional with pressure, so can use the temperature sensor of detected temperatures as the inductor of pressure in the detection electric pressure cooking saucepan.When temperature reached the first temperature value, the pressure in the pot reached the threshold values of pressure limiting valve, is specially pot interior pressure and reaches 70kpa ~ 100kpa.
In specific embodiment of the utility model, described relay switch is the digital junction on-off circuit that is arranged on control panel M inside.Fig. 2 is the circuit theory diagrams of a kind of relay switch in the utility model, as described in Figure 2, this relay switch is comprised of triode and relay, when input R receives the data signal that the outside gives (repeating signal Relay), control relay is connected heat-generating disc R0 place branch road or is disconnected heat-generating disc R0 place branch road.Wherein, described triode is the triode of S8050 type.In other embodiment of the present utility model, can use other relay switch circuit, be not limited to that the utility model embodiment provides.
Embodiment two
In concrete use procedure, when the food in the pot is too much, pot inner pressure can occurs and not reach the first force value, but the situation that food boils soon.In order to realize little boiling, the induction gauge tap sends first signal to control panel when further the temperature in electric pressure cooking saucepan is higher than the second temperature value, send secondary signal to control panel when the temperature of induction gauge tap in electric pressure cooking saucepan is higher than the 3rd temperature value, send the 3rd signal to control panel when the temperature of induction gauge tap in electric pressure cooking saucepan is lower than the 3rd temperature value.
In the present embodiment, the pressure in the electric pressure cooking saucepan does not reach the work threshold values of pressure switch K1, and then the temperature sensor of serviceability temperature sensor K2 is as the reference standard.When the temperature in electric pressure cooking saucepan was higher than the second temperature value, temperature sensor K2 sent first signal to control panel; When the temperature in electric pressure cooking saucepan was higher than the 3rd temperature value, temperature sensor K2 sent secondary signal to control panel; When the temperature in electric pressure cooking saucepan was lower than the 3rd temperature value, temperature sensor K2 sent the 3rd signal to control panel.Control panel is controlled accordingly according to the first signal, secondary signal, the 3rd signal that receive.Concrete control mode is with embodiment one.
In the present embodiment, set as the case may be the second temperature value and the 3rd temperature value; Wherein, the second temperature value is 130 ℃ ~ 140 ℃; The 3rd temperature value is 115 ℃ ~ 125 ℃.
Embodiment three
In conjunction with the embodiments one and embodiment two, described electric pressure cooking saucepan control device also comprises: temperature control timer and pressurize timer; Control panel starts the temperature control timer after receiving first signal; Control panel starts the pressurize timer after the temperature control timer makes zero, control panel is after the pressurize timer makes zero, and the control relay switch disconnects.
Namely after control panel receives first signal, enter the temperature control stage.Start the temperature control timer.Wherein, the timing duration of institute's temperature control timer is 2min ~ 10mim.
In the temperature control stage, the secondary signal that control panel sends according to the induction gauge tap and the 3rd signal are controlled at the temperature in the pot about the assigned temperature value.Wherein, control panel is whenever received an order three signals, and the control relay switch is connected, and jug with heating disk is once just realized once boiling in the electric pressure cooking saucepan.
Wherein, after control panel enters the temperature control stage, namely receive after the first signal, control panel receives secondary signal and the 3rd signal just plays a role.In embodiment two, the 3rd temperature value is lower than the second temperature value, namely enter the temperature control stage after, first stopped heating is lowered the temperature, in order to kettle temperature is controlled at about the 3rd temperature value.
After the temperature control stage finishes, after namely the temperature control timer makes zero, start simultaneously the pressurize timer, enter packing stage.Wherein, the timing duration of institute's pressurize timer is 6min ~ 20mim.
At packing stage, the secondary signal that control panel sends according to the induction gauge tap and the 3rd signal are controlled at the pressure in the pot about the specified pressure value.Until the pressurize timer makes zero.
After the pressurize timer made zero, control panel control relay switch disconnected, and the process of cooking finishes.
Embodiment four
Present embodiment except following feature with embodiment three.
Fig. 3 is the detailed circuit schematic diagram of a kind of electric pressure cooking saucepan control device in the utility model; described induction gauge tap sends the 4th signal to control panel when the Voltage force kettle temperature is higher than the protection temperature value; control panel is when receiving the 4th signal, and the control relay switch disconnects.Wherein, the protection temperature value is set as the case may be, described protection temperature value is 160 ℃ ~ 180 ℃.
Wherein, when temperature sensor senses is higher than the protection temperature value to the temperature bottom the electric pressure cooking saucepan, send the 4th signal to control panel.
In specific operation process, empty pot or the dried situation (dry combustion method) of the interior poach of pot can appear, in order better to protect described electric pressure cooking saucepan control device, the protection temperature value is set.In the situation of dry combustion method, the temperature in the pot can continue to rise, and when rising to the protection temperature value of setting, temperature sensor sends the 4th signal to control panel, and control panel is controlled the electric hot tray stopped heating after receiving the 4th signal.
Described referring to Fig. 3, described temperature sensor is the thermistor T1 that is arranged on the P2 slot of control panel M, and described thermistor T1 specifically is arranged on the bottom of a pan of electric pressure cooking saucepan.When the moisture in the pot soon dryouied, the temperature in the bottom of a pan can raise, when temperature is higher than the operating temperature of thermistor T1, and thermistor T1 conducting, and send the 4th signal to control panel M.Control panel M is when receiving the 4th signal, and the control relay switch disconnects heat-generating disc R0 stopped heating; When temperature was lower than operating temperature, thermistor can also holding circuit can not be burned.The protection temperature value of the operating temperature value of wherein said thermistor for setting is specially 160 ℃ ~ 180 ℃.
Embodiment five
Present embodiment with embodiment four, is specially except following feature, and the electric pressure cooking saucepan control device also comprises: buzzer; Wherein, controller is controlled buzzer work when receiving the 4th signal.
Described buzzer does not draw in analog circuit figure shown in Figure 3, and details are seen corresponding digital circuit figure.Fig. 4 is the circuit theory diagrams of a kind of buzzer in the utility model, and as described in Figure 4, described buzzer circuit comprises buzzer and triode.Its operation principle is that according to the buzzerphone (buzzer) that input B gives, buzzer can sound the alarm, with this reminding user.
In addition, in specific implementation process, described buzzer can send according to the arbitrary signal that control panel receives prompt tone alarm, reminding user.For example after energising, after culinary art work was finished, when abnormal conditions occurring, when the user carries out the function selection or in the processes such as display board operation, control panel control buzzer sent voice prompt.Wherein, according to the different situations that electric pressure cooking saucepan occurs, control panel sends different prompt tone alarms according to the unlike signal control buzzer that receives.Namely when abnormal conditions appear in the reminding user electric pressure cooking saucepan, can use different audio warnings to distinguish different abnormal conditions.
Embodiment six
Present embodiment except following feature with embodiment five.Be specially, referring to shown in Figure 3, also be provided with the N1 interface on the control panel; Be provided with digital circuit power source between N1 interface and the L2 interface.Because relay switch circuit, buzzer, control panel M, need to use direct current to power and to work, not only affect the composition of whole electric pressure cooking saucepan structure if use in addition external dc power to power, affect attractive in appearancely, and use external power source also can affect the normal operation of electric pressure cooking saucepan.So N1 interface and L2 interface directly arrange one alternating current are converted to galvanic digital circuit power source on control panel.Behind plugged, the digital circuit power source work that arranges between N1 interface and the L2 interface.Fig. 5 is the circuit theory diagrams of a kind of digital circuit power source in the utility model, and as shown in Figure 5, after the N1 interface was connected, digital circuit power source work provided the power supply input to control panel, relay switch circuit, buzzer etc.
Embodiment seven
Present embodiment except following feature with embodiment six.Be specially, described electric pressure cooking saucepan control device also comprises: thermal fuse-link.Referring to shown in Figure 3, be provided with the first thermal fuse-link FU1 and the second thermal fuse-link FU2 among this embodiment.Wherein, the end of the second thermal fuse-link FU2 links to each other with an end of power supply, and the other end of the second thermal fuse-link FU2 links to each other with the L2 interface.
The end of the first thermal fuse-link FU1 links to each other with the other end of power supply, and the other end of the first thermal fuse-link FU1 links to each other with the N1 interface; Wherein, the first thermal fuse-link FU1 connects with heat-generating disc R0.Be that the N1 interface is connected between the first thermal fuse-link FU1 and the heat-generating disc R0.
In other embodiments, the first thermal fuse-link FU1 can only be set, the second thermal fuse-link FU2 perhaps only is set; Perhaps with the disconnected body series connection of many strip hot melts or rear place in circuit in parallel.
Embodiment eight
Present embodiment with embodiment seven, is specially except following feature, and described electric pressure cooking saucepan control device also comprises: display board.As shown in Figure 3, display board S 1 is connected on the P3 interface of control panel M, and is provided with microswitch K3 at the P4 interface.Fig. 6 is the structural representation of a kind of display board in the utility model, referring to shown in Figure 6, this display board S 1 comprises a plurality of input stitch, and wherein, each stitch links to each other with the signal output part of sensor, induction gauge tap, microswitch, buzzer or relay switch respectively; Wherein, the induction gauge tap comprises temperature sensor and pressure switch.
Wherein, a stitch is as an input, respectively with the output conllinear of thermistor T1, pressure switch K1, microswitch K3, pressure limiting valve K2, buzzer or relay switch.As shown in Figure 6, the 1st stitch connects thermistor (NTC), the 2nd stitch and connects microswitch (Door), the 3rd stitch and connect that pressure switch (Pressure), the 4th stitch connect buzzer (Buzzer), the 5th stitch connects relay switch (relay).
The device that uses the utility model to provide below by the specific embodiment explanation carries out the process that little boiling is cooked.
Fig. 7 is the workflow diagram of a kind of electric pressure cooking saucepan control device in the utility model; In conjunction with Fig. 3 and shown in Figure 7,
Step 701 is selected under little boiling mode.
Step 702 is waited for 30 seconds.After waiting for 30 seconds, after the relay switch between connection L1 interface and the L2 interface, heat-generating disc is started working.
Step 703 was soaked 5 minutes.Be preheating in immersion, guarantee that temperature is between 60 ℃ ~ 80 ℃.
Step 704 continues heating.Pressure in the pot slowly raises.
Step 705, the induction gauge tap is judged pot inner pressure.If pot inner pressure is higher than the first force value, then carry out step 707, if current pot inner pressure does not reach the first force value, then carry out step 706.
Step 706, the induction gauge tap is judged kettle temperature.If kettle temperature is higher than the second temperature value, then carry out step 708, if kettle temperature is lower than the second temperature value, then carry out step 704.
Step 707 enters the temperature control stage, starts the temperature control timer.In step 707, when the pressure in the pot reaches the first force value, i.e. 40kpa, pressure switch is jumped disconnected, and sends first signal to control panel.Control panel continues to connect according to the first signal control relay switch that receives, and namely continues heating, so that the pressure in the pot constantly raises.Temperature in electric pressure cooking saucepan reaches the first temperature value, namely 150 ℃, send secondary signal to control panel, in this simultaneously, the pressure in the electric pressure cooking saucepan reach pressure limiting valve threshold values, pressure limiting valve begins exhaust.Meanwhile, control panel disconnects according to the secondary signal control relay switch that receives.Behind the pressure limiting valve exhausting, pot inner pressure descends, and food comes to life in the pot.Because stopped heating, kettle temperature can slowly reduce, and the temperature in pot is lower than the first temperature value, and temperature sensor is closed, and sends the 3rd signal to controller, and controller is according to the 3rd signal that receives, and the control relay switch is connected, and namely continues heating.So repeatedly, until the temperature control timer make zero.
Step 708 enters the temperature control stage, starts the temperature control timer.In step 708, the temperature in pot reaches the second temperature value, namely 135 ℃ the time, and sends first signal to control panel, and control panel continues to connect according to the first signal control relay switch that receives.Temperature in electric pressure cooking saucepan reaches the 3rd temperature value, and namely 120 ℃, send secondary signal to control panel, in this simultaneously, the pressure in the electric pressure cooking saucepan reaches the threshold values of pressure limiting valve, and pressure limiting valve begins exhaust.Control panel disconnects according to the secondary signal control relay switch that receives.Behind the pressure limiting valve exhausting, pot inner pressure descends, and food comes to life in the pot.Temperature in pot is lower than the 3rd temperature value, and temperature sensor is closed, and sends the 3rd signal to controller, and controller is according to the 3rd signal that receives, and the control relay switch is connected, and namely continues heating.So repeatedly, until the temperature control timer make zero.
Step 709 enters packing stage, starts the pressurize timer.In step 709, the timing duration of the pressurize timer that sets is 8min ~ 12mim.At packing stage, the secondary signal that control panel sends according to the induction gauge tap and the 3rd signal are controlled at the pressure in the pot about the specified pressure value.Until the pressurize timer makes zero.
Step 710, the pressurize timer makes zero, and work is finished.
In step 701 ~ step 709, buzzer is controlled according to control panel and is sent indicative alarm.The electric pressure cooking saucepan control device that the utility model provides is guaranteed the intermittent boiling of full stage of cooking process.Be that above-mentioned boiling is once seethed with excitement before entering pressurize, except once seething with excitement before pressurize, in pressure maintaining period, every heating once just realizes boiling once.Cooking like this rice that takes can burnt hair, and mouthfeel is more fragrant strongly fragrant.
In sum, the utility model provide a kind of electric pressure cooking saucepan control device, this electric pressure cooking saucepan control device is by the connection of control panel according to the relay switch between the first signal that receives control L1 branch road and the L2 branch road; After receiving first signal, disconnect according to the secondary signal control relay switch that receives, connect according to the 3rd signal controlling relay switch that receives, so repeatedly, until the work of temperature control timer is made zero, cooking process finishes.The electric pressure cooking saucepan control device that the utility model provides uses less components and parts just can realize the cooking function of little boiling.So that in the intermittent little boiling of full stage of cooking process; It is more even to cook the rice that takes, can burnt hair, improved the mouthfeel of rice; And except be used in cook on, can also be used in needs boiling but on the not susceptible to plugging cooking function, such as other functions such as decocting Chinese medicine by boiling and simmering.
The above is preferred embodiment of the present utility model only, is not be used to limiting protection domain of the present utility model.All any modifications of within spirit of the present utility model and principle, doing, be equal to replacement, improvement etc., all be included in the protection domain of the present utility model.

Claims (10)

1. an electric pressure cooking saucepan control device is characterized in that, described electric pressure cooking saucepan control device comprises: heat-generating disc, control panel and induction gauge tap; Wherein,
Described control panel is provided with L1 interface and L2 interface;
One end of L2 interface and power supply joins; One end of L1 interface and heat-generating disc joins, and the other end of heat-generating disc and the other end of power supply join;
Be provided with relay switch between L1 interface and the L2 interface;
Send first signal to control panel when the pressure of induction gauge tap in electric pressure cooking saucepan is higher than the first force value, control panel is when receiving first signal, and the control relay switch is connected;
The induction gauge tap sends secondary signal to control panel when the temperature in electric pressure cooking saucepan is higher than the first temperature value after sending first signal, send the 3rd signal to control panel when the temperature of induction gauge tap in electric pressure cooking saucepan is lower than the first temperature value;
Control panel is when receiving secondary signal, and the control relay switch disconnects;
Control panel is when receiving the 3rd signal, and the control relay switch is connected.
2. device according to claim 1 is characterized in that,
The induction gauge tap sends first signal to control panel when further the temperature in electric pressure cooking saucepan is higher than the second temperature value,
The induction gauge tap sends secondary signal to control panel when further the temperature in electric pressure cooking saucepan is higher than the 3rd temperature value,
The induction gauge tap sends the 3rd signal to control panel when further the temperature in electric pressure cooking saucepan is lower than the 3rd temperature value.
3. the described electric pressure cooking saucepan control device of any one is characterized in that according to claim 1 ~ 2,
Described electric pressure cooking saucepan control device also comprises: temperature control timer and pressurize timer;
Control panel starts the temperature control timer after receiving first signal;
Control panel starts the pressurize timer after the temperature control timer makes zero,
Control panel is after the pressurize timer makes zero, and the control relay switch disconnects, and electric pressure cooking saucepan enters keeping warm mode.
4. electric pressure cooking saucepan control device according to claim 3 is characterized in that,
Described induction gauge tap sends the 4th signal to control panel when the Voltage force kettle temperature is higher than the protection temperature value,
Control panel is when receiving the 4th signal, and the control relay switch disconnects.
5. electric pressure cooking saucepan control device according to claim 4 is characterized in that,
Described electric pressure cooking saucepan control device also comprises: buzzer;
Wherein, control panel is controlled buzzer work when receiving the 4th signal.
6. electric pressure cooking saucepan control device according to claim 3 is characterized in that, described electric pressure cooking saucepan control device also comprises: thermal fuse-link;
One end of described thermal fuse-link links to each other with an end of power supply, and the other end of thermal fuse-link links to each other with the L2 interface;
Perhaps,
One end of described thermal fuse-link links to each other with the other end of power supply, and the other end of thermal fuse-link links to each other with an end of heat-generating disc, and the other end of heat-generating disc links to each other with the L1 interface.
7. said electric pressure cooking saucepan control device according to claim 6 is characterized in that
Described induction gauge tap comprises pressure switch and temperature sensor; Wherein, temperature sensor is thermistor or thermal switch, and pressure switch is inching switch, bimetal leaf flashing switch or Temperature Control Type switch.
8. electric pressure cooking saucepan control device according to claim 7 is characterized in that,
Described the first force value is 40kpa ~ 60kpa, and described the first temperature value is 145 ℃ ~ 155 ℃, and the second temperature value is 130 ℃ ~ 140 ℃, and the 3rd temperature value is 115 ℃ ~ 125 ℃.
9. electric pressure cooking saucepan control device according to claim 3 is characterized in that,
The timing duration of described temperature control timer is 2min ~ 10min;
The timing duration of described pressurize timer is 6min ~ 20min.
10. electric pressure cooking saucepan control device according to claim 9 is characterized in that, described electric pressure cooking saucepan control device also comprises: display board;
Described display board comprises a plurality of input stitch, and wherein, described stitch links to each other with the signal output part of pressure switch, temperature sensor, microswitch, buzzer or relay switch respectively.
CN 201220481284 2012-09-19 2012-09-19 Control device of electric pressure cooker Withdrawn - After Issue CN202891584U (en)

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CN 201220481284 Withdrawn - After Issue CN202891584U (en) 2012-09-19 2012-09-19 Control device of electric pressure cooker

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102880070A (en) * 2012-09-19 2013-01-16 格力电器(中山)小家电制造有限公司 Device for controlling electric pressure cooker
CN104055428A (en) * 2014-05-05 2014-09-24 苏州天趣信息科技有限公司 Electrothermal device based on pressure sensor and temperature sensor
CN104367182A (en) * 2014-11-25 2015-02-25 九阳股份有限公司 Electric pressure cooker capable of conducting low-pressure cooking
CN107692813A (en) * 2016-06-30 2018-02-16 佛山市顺德区美的电热电器制造有限公司 Voltage-limiting protection method and device, pressure cooking appliance
CN109694132A (en) * 2019-02-23 2019-04-30 何江涛 A kind of sewage water treatment method of sequence batch temperature-control pressure-control biomembrane

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102880070A (en) * 2012-09-19 2013-01-16 格力电器(中山)小家电制造有限公司 Device for controlling electric pressure cooker
CN104055428A (en) * 2014-05-05 2014-09-24 苏州天趣信息科技有限公司 Electrothermal device based on pressure sensor and temperature sensor
CN104367182A (en) * 2014-11-25 2015-02-25 九阳股份有限公司 Electric pressure cooker capable of conducting low-pressure cooking
CN104367182B (en) * 2014-11-25 2016-08-17 九阳股份有限公司 A kind of can low pressure culinary art electric pressure cooking saucepan
CN107692813A (en) * 2016-06-30 2018-02-16 佛山市顺德区美的电热电器制造有限公司 Voltage-limiting protection method and device, pressure cooking appliance
CN109694132A (en) * 2019-02-23 2019-04-30 何江涛 A kind of sewage water treatment method of sequence batch temperature-control pressure-control biomembrane
CN109694132B (en) * 2019-02-23 2021-12-17 何江涛 Sewage treatment method of sequencing batch temperature and pressure control biological membrane

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