CN204033084U - The pressure-regulating device of pressure limiting valve and electrical heating cooking apparatus - Google Patents
The pressure-regulating device of pressure limiting valve and electrical heating cooking apparatus Download PDFInfo
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- CN204033084U CN204033084U CN201420507195.4U CN201420507195U CN204033084U CN 204033084 U CN204033084 U CN 204033084U CN 201420507195 U CN201420507195 U CN 201420507195U CN 204033084 U CN204033084 U CN 204033084U
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Abstract
The utility model provides a kind of pressure-regulating device and electrical heating cooking apparatus of pressure limiting valve, and wherein, the pressure-regulating device of pressure limiting valve comprises: the first magnet, regulator board, screw rod, stepper motor and electric-controlled plate, and the first magnet is arranged on pressure limiting valve; Regulator board is set on gland steam exhauster, regulator board is provided with the second magnet attracted each other with the first magnet; Stepper motor can stretch out or straight line retraction by drive screw straight line, the rectilinear movement of screw rod can drive regulator board to move along the axis of gland steam exhauster, to regulate the distance between the first magnet and the second magnet, and then change the pressure limiting pressure of pressure limiting valve, electric-controlled plate is connected with stepper motor, for the work of control step motor.The pressure-regulating device of the pressure limiting valve that the utility model provides, can change the pressure limiting pressure of pressure limiting valve to the steam discharge mouth of pipe, thus the voltage limiting value of pressure limiting valve can be regulated automatically.
Description
Technical field
The utility model relates to kitchen utensils field, more specifically, and the pressure-regulating device relating to a kind of pressure limiting valve and the electrical heating cooking apparatus comprising this pressure-regulating device.
Background technology
The advantages such as Voltage force pan can carry out high pressure culinary art because of it, cooks effective, energy-conservation, have become one of indispensable electrical equipment in kitchen.But electric pressure cooking saucepan in the market, the voltage limiting value of its pressure limiting valve is mainly and can not regulates, or manually regulates, and voltage limiting value can not regulate; Cooking process does not seethe with excitement, and manual adjustments bothers very much, and is difficult to grasp opportunity, and manual adjustments can only realize the switching of high and low pressure, and pressure limiting pressure regulates single, can not meet the difference culinary art pressure demand of multiple food.
Utility model content
The utility model is intended at least to solve one of technical problem existed in prior art.
For this reason, an object of the present utility model is, provides a kind of pressure-regulating device of pressure limiting valve, and this pressure-regulating device can either change the pressure limiting pressure of pressure limiting valve to the steam discharge mouth of pipe, and pressure limiting valve can be made again to have the function of electrodeless automatic adjustment voltage limiting value.
Another object of the present utility model is, provides a kind of electrical heating cooking apparatus comprising above-mentioned pressure-regulating device.
For achieving the above object, the embodiment of the utility model first aspect provides a kind of pressure-regulating device of pressure limiting valve, described pressure limiting valve can be set in the steam discharge mouth of pipe place of electrical heating cooking apparatus up or down, and described pressure-regulating device comprises: be arranged on the first magnet on described pressure limiting valve; Be set in the regulator board on described gland steam exhauster, described regulator board be provided with the second magnet attracted each other with described first magnet; Screw rod, described screw rod rectilinear movement can drive described regulator board to move along the axis of described gland steam exhauster, to regulate the distance between described first magnet and described second magnet, and then changes the pressure limiting pressure of described pressure limiting valve; Stepper motor, the shell of described stepper motor is provided with the screwed hole matched with described screw rod, one end of described screw rod is screwed into described screwed hole and is connected with the rotor of described stepper motor, and described stepper motor can drive described screw rod straight line to stretch out or straight line is retracted; And electric-controlled plate, described electric-controlled plate is connected with described stepper motor, for controlling the work of described stepper motor.
The pressure-regulating device of the pressure limiting valve that the utility model first aspect embodiment provides, the pressure limiting pressure of pressure limiting valve to the steam discharge mouth of pipe can be changed, thus make the voltage limiting value of pressure limiting valve can electrodeless automatic adjustment, specifically, pressure limiting valve arranges the first magnet, regulator board arranges the second magnet attracted each other with the first magnet, that is, the axial direction of gland steam exhauster arranges the first magnet and the second magnet that attract each other, make regulator board and pressure limiting valve that magnetic force can be utilized to attract each other, the distance reduced between regulator board and pressure limiting valve is stretched out by driving stepper motor screw rod straight line, suction between first magnet and the second magnet is increased, thus the object of the electrodeless automatic adjustment of the voltage limiting value achieving pressure limiting valve, compared with the mode adopting manual adjustments with prior art, first, it is simple that the pressure-regulating device of pressure limiting valve has structure, volume is little, cost is low, the advantage such as easy for installation, secondly, when pressure limiting valve needs to keep certain pressure, only need control step electric motor driven screw straight line to reach and require position, now, by coordinating of screw rod and screwed hole, screw rod is made to realize self-locking, thus make the constant distance between the first magnet and the second magnet constant, namely pressure limiting valve is constant to the pressure of the steam discharge mouth of pipe, and keeps without the need to energising, significantly reduce the caloric value of motor, improve the service life of motor, finally, the angle step number of rotor turns controls by electric-controlled plate, and make the straight line extension elongation of screw rod controlled, the distance namely between the first magnet and the second magnet is adjustable, thus the object of the electrodeless automatic adjustment of the voltage limiting value achieving pressure limiting valve.
In addition, the pressure-regulating device of pressure limiting valve that the utility model above-described embodiment provides also has following additional technical feature:
According to an embodiment of the present utility model, the pressure-regulating device of described pressure limiting valve also comprises: back-moving spring, and one end of described back-moving spring is connected with described regulator board, and the other end is connected with the pot cover of described electrical heating cooking apparatus.
According to an embodiment of the present utility model, described first magnet and described second magnet are ferromagnet or permanent magnet.
The embodiment of the utility model second aspect provides a kind of pressure-regulating device of pressure limiting valve, described pressure limiting valve can be set in the steam discharge mouth of pipe place of electrical heating cooking apparatus up or down, and described pressure-regulating device comprises: be arranged on the first magnet on described pressure limiting valve, be set in the regulator board on described gland steam exhauster, described regulator board be provided with the second magnet attracted each other with described first magnet, screw rod, drive rod, a bar limit of described drive rod is provided with the screwed hole matched with described screw rod, stepper motor, the shell of described stepper motor is provided with installing plate, one end of described screw rod is connected with the rotor of described stepper motor, the other end is screwed into described screwed hole and is connected rotationally with described installing plate, described rotor can drive described screw rod along own axis, the rotation of described screw rod can drive described drive rod straight line to stretch out or straight line is retracted, the straight line of described drive rod stretches out or straight line is retracted can drive described regulator board to move along the axis of described gland steam exhauster, to regulate the distance between described first magnet and described second magnet, and then change the pressure limiting pressure of described pressure limiting valve, and electric-controlled plate, described electric-controlled plate is connected with described stepper motor, for controlling the work of described stepper motor.
The pressure-regulating device of the pressure limiting valve that the utility model second aspect embodiment provides, the pressure limiting pressure of pressure limiting valve to the steam discharge mouth of pipe can be changed, thus make the voltage limiting value of pressure limiting valve can electrodeless automatic adjustment, specifically, pressure limiting valve arranges the first magnet, regulator board arranges the second magnet attracted each other with the first magnet, that is, the axial direction of gland steam exhauster arranges the first magnet and the second magnet that attract each other, make regulator board and pressure limiting valve that magnetic force can be utilized to attract each other, drive rod straight line is driven to stretch out the distance reduced between regulator board and pressure limiting valve by driving stepper motor screw rod along own axis, suction between first magnet and the second magnet is increased, thus the object of the electrodeless automatic adjustment of the voltage limiting value achieving pressure limiting valve, compared with the mode adopting manual adjustments with prior art, first, it is simple that the pressure-regulating device of pressure limiting valve has structure, volume is little, cost is low, the advantage such as easy for installation, secondly, when pressure limiting valve needs to keep certain pressure, the rotation of control step electric motor driven screw is only needed to drive drive rods extend to go out to requiring position, now, by coordinating of screw rod and screwed hole, drive rod is made to realize self-locking, thus make the constant distance between the first magnet and the second magnet constant, namely pressure limiting valve is constant to the pressure of the steam discharge mouth of pipe, and keeps without the need to energising, significantly reduce the caloric value of motor, improve the service life of motor, finally, the angle step number of rotor turns controls by electric-controlled plate, makes the velocity of rotation of screw rod controlled, thus makes the extension elongation of drive rod controlled, namely the distance between the first magnet and the second magnet is adjustable, thus the object of the electrodeless automatic adjustment of the voltage limiting value achieving pressure limiting valve.
In addition, the pressure-regulating device of pressure limiting valve that the utility model above-described embodiment provides also has following additional technical feature:
According to an embodiment of the present utility model, the pressure-regulating device of described pressure limiting valve also comprises: back-moving spring, and one end of described back-moving spring is connected with described regulator board, and the other end is connected with the pot cover of described electrical heating cooking apparatus.
According to an embodiment of the present utility model, described first magnet and described second magnet are ferromagnet or permanent magnet.
The embodiment of the utility model the 3rd aspect provides a kind of electrical heating cooking apparatus, comprise: pot body, described pot body is provided with electric-controlled plate and heater, and described heater is connected with described electric-controlled plate, and described electric-controlled plate can control the work of described heater; Pot cover, described pot cover can be connected with described pot body with opening or close, and described pot cover is provided with gland steam exhauster; With the pressure-regulating device of the pressure limiting valve that above-mentioned any embodiment provides, the regulator board of described pressure-regulating device is arranged in described pot cover, the stepper motor of described pressure-regulating device is arranged in described pot cover or on pot body, described electric-controlled plate is connected with described stepper motor, and can control the work of described stepper motor.
The electrical heating cooking apparatus that the utility model above-described embodiment provides, comprise the pressure-regulating device of the pressure limiting valve described in above-mentioned any embodiment, therefore, this electrical heated appliance has whole beneficial effects of the pressure-regulating device of above-mentioned pressure limiting valve, do not repeat them here, in addition, can according to the program that electric-controlled plate is arranged according to different food cooking requirement, controlled pressure pot is heated to suitable operating pressure, specifically, when needs seethe with excitement, after electric-controlled plate control Driving Stepping Motor runs certain step number, regulator board is driven to move to opposite position, stepper motor stop power supply after it can automatically lock this position, now, the voltage limiting value of pressure limiting valve to gland steam exhauster is adjusted to than the smaller certain numerical value of the pressure in pot (concrete numerical value should adjust according to the culinary art performance of different food), make pressure limiting valve by jack-up steam discharge slightly, meanwhile, electric-controlled plate sends instruction control thermal and synchronously carries out little firepower Power Regulation heating, maintain constantly boiling in pot, when boosting, after electric-controlled plate Driving Stepping Motor rotates certain step number, the voltage limiting value of pressure limiting valve is made to be greater than in pot operating pressure certain numerical value or to the highest voltage limiting value, now, gland steam exhauster sealing can heat boosting.。
In addition, the electrical heating cooking apparatus that the utility model above-described embodiment provides also has following additional technical feature:
According to an embodiment of the present utility model, described electrical heating cooking apparatus also comprises: pressure-detecting device, described pressure-detecting device is arranged on pot cover, and be connected with described electric-controlled plate, for detecting the pressure in described electrical heating cooking apparatus, described electric-controlled plate sends control instruction according to the force value detected.
According to an embodiment of the present utility model, described pressure-detecting device is pressure sensor or temperature sensor.
According to an embodiment of the present utility model, described stepper motor is arranged on described pot body, described pot cover comprises: inner cap and cover, described cover is fixedly connected with described inner cap, described cover is provided with guide post, the regulator board of described pressure-regulating device is provided with the gathering sill matched with described guide post, the back-moving spring of described pressure-regulating device is positioned at described gathering sill, and one end is resisted against on the end face of described guide post.
According to an embodiment of the present utility model, described electrical heating cooking apparatus is electric pressure cooking saucepan.
Additional aspect of the present utility model and advantage become obvious by description part below, or are recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is that the pressure-regulating device of pressure limiting valve according to the utility model one embodiment makes pressure limiting valve be in the sectional structure schematic diagram of low-pressure state;
Fig. 2 is that the pressure-regulating device of the pressure limiting valve shown in Fig. 1 makes pressure limiting valve be in the sectional structure schematic diagram of middle pressure condition;
Fig. 3 is that the pressure-regulating device of the pressure limiting valve shown in Fig. 1 makes pressure limiting valve be in the sectional structure schematic diagram of high pressure conditions;
Fig. 4 is that the pressure-regulating device of pressure limiting valve according to another embodiment of the utility model makes pressure limiting valve be in the sectional structure schematic diagram of low-pressure state;
Fig. 5 is that the pressure-regulating device of the pressure limiting valve shown in Fig. 4 makes pressure limiting valve be in the sectional structure schematic diagram of middle pressure condition;
Fig. 6 is that the pressure-regulating device of the pressure limiting valve shown in Fig. 4 makes pressure limiting valve be in the sectional structure schematic diagram of high pressure conditions;
Fig. 7 is the decomposition texture schematic diagram of the electrical heating cooking apparatus according to another embodiment of the utility model;
Fig. 8 is the sectional structure schematic diagram that the pressure limiting valve of the electrical heating cooking apparatus shown in Fig. 7 is in low-pressure state;
Fig. 9 is A portion structure enlarged diagram in Fig. 8;
Figure 10 is the sectional structure schematic diagram that the pressure limiting valve of the electrical heating cooking apparatus shown in Fig. 7 is in middle pressure condition;
Figure 11 is B portion structure enlarged diagram in Figure 10;
Figure 12 is the sectional structure schematic diagram that the pressure limiting valve of the electrical heating cooking apparatus shown in Fig. 7 is in high pressure conditions;
Figure 13 is C portion structure enlarged diagram in Figure 12;
Figure 14 is the pressure limiting pressure relation schematic diagram over time of the electrical heating cooking apparatus shown in Fig. 7 pot inner pressure and pressure limiting valve in cooking process.
Wherein, the corresponding relation in Fig. 1 to Figure 14 between Reference numeral and component names is:
1 pressure limiting valve, 2 gland steam exhausters, 3 first magnets, 4 regulator boards, 41 gathering sills, 42 second magnets, 5 screw rods, 6 stepper motors, 61 shells, 611 boss, 612 installing plates, 62 rotors, 8 back-moving springs, 9 drive rods, 10 pot covers, 101 inner caps, 102 covers, 1021 leads, 20 pots of bodies, 30 electric-controlled plates.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from mode described here to implement, and therefore, protection domain of the present utility model is not by the restriction of following public specific embodiment.
1 to 14 the pressure-regulating device of the pressure limiting valve provided according to some embodiments of the utility model and the electrical heating cooking apparatus containing this pressure-regulating device are described with reference to the accompanying drawings.
As shown in Figure 1, the pressure-regulating device of the pressure limiting valve 1 that an embodiment of the present utility model provides, comprising: the first magnet 3, regulator board 4, screw rod 5, stepper motor 6 and electric-controlled plate 30;
Particularly, the first magnet 3 is arranged on pressure limiting valve 1; Regulator board 4 is set on gland steam exhauster, regulator board 4 is provided with the second magnet 42 attracted each other with the first magnet 3; Screw rod 5 rectilinear movement can drive regulator board 4 to move along the axis of gland steam exhauster, to regulate the distance between the first magnet 3 and the second magnet 42, and then changes the pressure limiting pressure of pressure limiting valve 1; The shell 61 of stepper motor 6 is provided with the screwed hole matched with screw rod 5, one end of screw rod 5 is screwed into screwed hole and is connected with the rotor 62 of stepper motor 6, and stepper motor 6 can stretch out or straight line retraction by drive screw 5 straight line; Electric-controlled plate 30 is connected with stepper motor 6, for the work of control step motor 6.
Wherein, pressure limiting valve 1 can be set in gland steam exhauster 2 place of electrical heating cooking apparatus up or down.
The pressure-regulating device of the pressure limiting valve 1 that the present embodiment provides, the pressure limiting pressure of pressure limiting valve 1 pair of gland steam exhauster 2 can be changed, thus make the voltage limiting value of pressure limiting valve 1 can electrodeless automatic adjustment, specifically, pressure limiting valve 1 arranges the first magnet 3, regulator board 4 arranges the second magnet 42 attracted each other with the first magnet 3, that is, the axial direction of gland steam exhauster arranges the first magnet 3 and the second magnet 42 attracted each other, make regulator board 4 and pressure limiting valve 1 that magnetic force can be utilized to attract each other, the distance reduced between regulator board 4 and pressure limiting valve 1 is stretched out by stepper motor 6 drive screw 5 straight line, suction between first magnet 3 and the second magnet 42 is increased, thus the object of the electrodeless automatic adjustment of the voltage limiting value achieving pressure limiting valve 1, compared with the mode adopting manual adjustments with prior art, first, it is simple that the pressure-regulating device of pressure limiting valve 1 has structure, volume is little, cost is low, the advantage such as easy for installation, secondly, as shown in Figure 1, Figure 2 and Figure 3, when pressure limiting valve 1 needs to keep certain pressure, only need control step motor 6 drive screw 5 straight line to reach and require position, now, by coordinating of screw rod 5 and screwed hole, make screw rod 5 realize self-locking, thus make the constant distance between the first magnet 3 and the second magnet 42 constant, namely pressure limiting valve 1 is constant to the pressure of gland steam exhauster 2, and keep without the need to energising, significantly reduce the caloric value of motor, improve the service life of motor, finally, the angle step number that rotor 62 rotates controls by electric-controlled plate 30, and make the straight line extension elongation of screw rod 5 controlled, the distance namely between the first magnet 3 and the second magnet 42 is adjustable, thus the object of the electrodeless automatic adjustment of the voltage limiting value achieving pressure limiting valve 1.
Particularly, shell 61 is provided with boss 611, screwed hole is arranged on boss 611, and the setting of boss 611 can increase the axial length of screwed hole, thus makes the self-locking of screw rod 5 more reliable; The cross section of one end of screw rod 5 is non-circular, and rotor 62 offers the mounting groove identical with the other end shape of screw rod 5, and one end of screw rod 5 is inserted in mounting groove, and screw rod 5 can not be rotated relative to mounting groove, rotor 62 and screw rod 5 is linked into an integrated entity.
Preferably, the first magnet 3 and the second magnet 42 are ferromagnet or permanent magnet.
According to a specific embodiment of the present embodiment, pressure-regulating device also comprises: back-moving spring 8, and one end of back-moving spring 8 is connected with regulator board 4, and the other end is connected with the pot cover 10 of electrical heating cooking apparatus.
For the ease of assembling and the installation of pressure-regulating device, the other end of screw rod 5 is made to contact with regulator board 4 and be fixedly connected with, but such connected mode, move along the axis of gland steam exhauster when screw rod 5 promotes regulator board 4, adjustment is arranged on the second magnet 42 on regulator board 4 and is arranged on the distance of the first magnet 3 on pressure limiting valve 1, when changing the pressure limiting pressure of pressure limiting valve 1, because regulator board 4 is not fixedly connected with the other end of screw rod 5, regulator board 4 can not be resetted with the reset of screw rod 5, in order to solve the problem, between the pot cover 10 and regulator board 4 of electrical heating cooking apparatus, back-moving spring 8 is set, when screw rod 5 promote regulator board 4 move along the axis of gland steam exhauster time, back-moving spring 8 is compressed, produce deformation, when screw rod 5 resets, regulator board 4 loses the active force of screw rod 5 to it, namely back-moving spring 8 loses the extruding force of screw rod 5 to it, now, the recovery deformation of back-moving spring 8, and drive regulator board 4 to reset, thus regulator board 4 can either be moved by the axis along gland steam exhauster under the effect of screw rod 5, can reset under the effect of back-moving spring 8 again, and then ensure that the pressure limiting pressure of pressure limiting valve 1 can either increase and can restore to the original state.
Certainly, if the other end of screw rod 5 is directly fixedly connected with regulator board 4, in order to reduce costs, then back-moving spring 8 can not be set, if do not consider cost, in order to avoid the connection between screw rod 5 and regulator board 4 is unreliable, occur that fracture causes the irreducible situation of regulator board 4 to occur, also back-moving spring 8 can be set.
It should be noted that, when screw rod 5 is far away apart from regulator board 4, contacts with regulator board 4 by push rod, push rod, lever etc. or be connected, not repeating them here.
As shown in Figure 4, the pressure-regulating device of the pressure limiting valve 1 that another embodiment of the utility model provides, comprising: the first magnet 3, regulator board 4, screw rod 5, drive rod 9, stepper motor 6 and electric-controlled plate 30;
Particularly, first magnet 3 is arranged on pressure limiting valve 1, regulator board 4 is set on gland steam exhauster, regulator board 4 is provided with the second magnet 42 attracted each other with the first magnet 3, drive rod 9 is L-shaped, one bar limit of drive rod 9 is provided with the screwed hole matched with screw rod 5, the shell 61 of stepper motor 6 is provided with installing plate 612, one end of screw rod 5 is fixedly connected with one end of the rotor 62 of stepper motor 6, the other end is screwed into screwed hole and is connected rotationally with installing plate 612, stepper motor 6 can drive screw 5 along own axis, the rotation of screw rod 5 can drive drive rod 9 straight line to stretch out or straight line is retracted, the straight line of drive rod 9 stretches out and can promote regulator board 4 and move to pressure limiting valve 1, to regulate the distance between the first magnet 3 and the second magnet 42, and then change the pressure limiting pressure of pressure limiting valve 1, electric-controlled plate 30 is connected with stepper motor 6, for the work of control step motor 6.
Wherein, pressure limiting valve 1 can be set in gland steam exhauster 2 place of electrical heating cooking apparatus up or down.
The pressure-regulating device of the pressure limiting valve 1 that the present embodiment provides, the pressure limiting pressure of pressure limiting valve 1 pair of gland steam exhauster 2 can be changed, thus make the voltage limiting value of pressure limiting valve 1 can electrodeless automatic adjustment, specifically, pressure limiting valve 1 arranges the first magnet 3, regulator board 4 arranges the second magnet 42 attracted each other with the first magnet 3, that is, the axial direction of gland steam exhauster arranges the first magnet 3 and the second magnet 42 attracted each other, make regulator board 4 and pressure limiting valve 1 that magnetic force can be utilized to attract each other, drive rod 9 straight line is driven to stretch out the distance reduced between regulator board 4 and pressure limiting valve 1 by stepper motor 6 drive screw 5 along own axis, suction between first magnet 3 and the second magnet 42 is increased, thus the object of the electrodeless automatic adjustment of the voltage limiting value achieving pressure limiting valve 1, compared with the mode adopting manual adjustments with prior art, first, it is simple that the pressure-regulating device of pressure limiting valve 1 has structure, volume is little, cost is low, the advantage such as easy for installation, secondly, as shown in Figure 4, Figure 5 and Figure 6, when pressure limiting valve 1 needs to keep certain pressure, only need the rotation of control step motor 6 drive screw 5 to drive drive rod 9 to reach and require position, now, by coordinating of screw rod 5 and screwed hole, drive rod 9 is made to realize self-locking, thus make the constant distance between the first magnet 3 and the second magnet 42 constant, namely pressure limiting valve 1 is constant to the pressure of gland steam exhauster 2, and keep without the need to energising, significantly reduce the caloric value of motor, improve the service life of motor, finally, the angle step number that rotor 62 rotates controls by electric-controlled plate 30, makes the velocity of rotation of screw rod 5 controlled, thus makes the extension elongation of drive rod 9 controlled, namely the distance between the first magnet 3 and the second magnet 42 is adjustable, thus the object of the electrodeless automatic adjustment of the voltage limiting value achieving pressure limiting valve 1.
Particularly, the cross section of one end of screw rod 5 is non-circular, and rotor 62 offers the mounting groove identical with the other end shape of screw rod 5, and one end of screw rod 5 is inserted in mounting groove, and screw rod 5 can not be rotated relative to mounting groove, rotor 62 and screw rod 5 is linked into an integrated entity.
According to a specific embodiment of the present embodiment, pressure-regulating device also comprises: back-moving spring 8, and one end of back-moving spring 8 is connected with regulator board 4, and the other end is connected with the pot cover 10 of electrical heating cooking apparatus.
For the ease of assembling and the installation of pressure-regulating device, the other end of drive rod 9 is made to contact with regulator board 4 and be fixedly connected with, but such connected mode, move along the axis of gland steam exhauster when drive rod 9 promotes regulator board 4, adjustment is arranged on the second magnet 42 on regulator board 4 and is arranged on the distance of the first magnet 3 on pressure limiting valve 1, when changing the pressure limiting pressure of pressure limiting valve 1, because regulator board 4 is not fixedly connected with the other end of drive rod 9, regulator board 4 can not be resetted with the reset of drive rod 9, in order to solve the problem, between the pot cover 10 and regulator board 4 of electrical heating cooking apparatus, back-moving spring 8 is set, when drive rod 9 promote regulator board 4 move along the axis of gland steam exhauster time, back-moving spring 8 is compressed, produce deformation, when drive rod 9 resets, regulator board 4 loses the active force of drive rod 9 to it, namely back-moving spring 8 loses the extruding force of drive rod 9 to it, now, the recovery deformation of back-moving spring 8, and drive regulator board 4 to reset, thus regulator board 4 can either be moved by the axis along gland steam exhauster under the effect of drive rod 9, can reset under the effect of back-moving spring 8 again, and then ensure that the pressure limiting pressure of pressure limiting valve 1 can either increase and can restore to the original state.
Certainly, if the other end of drive rod 9 is directly fixedly connected with regulator board 4, in order to reduce costs, then back-moving spring 8 can not be set, if do not consider cost, in order to avoid the connection between drive rod 9 and regulator board 4 is unreliable, occur that fracture causes the irreducible situation of regulator board 4 to occur, also back-moving spring 8 can be set.
It should be noted that, when drive rod 9 is far away apart from regulator board 4, contacts with regulator board 4 by push rod, push rod, lever etc. or be connected, not repeating them here.
As shown in Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12 and Figure 13, the electrical heating cooking apparatus that the another embodiment of the utility model provides, comprising: the pressure-regulating device of the pressure limiting valve 1 that pot body 20, pot cover 10 and above-mentioned any embodiment provide;
Particularly, as shown in Fig. 8 Figure 10 and Figure 12, pot body 20 is provided with electric-controlled plate 30 and heater (not shown), heater is connected with electric-controlled plate 30, the work of the controlled refrigerating/heating apparatus of electric-controlled plate 30, pot cover 10 can be connected with pot body 20 with opening or close, pot cover 10 is provided with gland steam exhauster, the regulator board 4 of pressure-regulating device is arranged in pot cover 10, the stepper motor 6 of pressure-regulating device is arranged in pot cover 10 or on pot body 20, stepper motor 6 is connected with electric-controlled plate 30, the work of electric-controlled plate 30 control step motor 6.
Hot utensil is touched in the electrical heating that the present embodiment provides, comprise the pressure-regulating device of the pressure limiting valve 1 of above-mentioned any embodiment, therefore, this electrical heated appliance has whole beneficial effects of the pressure-regulating device of above-mentioned pressure limiting valve 1, do not repeat them here, in addition, can according to the program that electric-controlled plate 30 is arranged according to different food cooking requirement, controlled pressure pot is heated to suitable operating pressure, specifically, when needs seethe with excitement, electric-controlled plate 30 controls after Driving Stepping Motor 6 runs certain step number, regulator board 4 is driven to move to opposite position, stepper motor 6 stop power supply after it can automatically lock this position, now, the voltage limiting value of pressure limiting valve 1 pair of gland steam exhauster is adjusted to than the smaller certain numerical value of the pressure in pot (concrete numerical value should adjust according to the culinary art performance of different food), make pressure limiting valve 1 by jack-up steam discharge slightly, meanwhile, electric-controlled plate 30 sends instruction control heater and synchronously carries out little firepower Power Regulation heating, maintain constantly boiling in pot, when boosting, after electric-controlled plate 30 Driving Stepping Motor 6 rotates certain step number, the voltage limiting value of pressure limiting valve 1 is made to be greater than in pot operating pressure certain numerical value or to the highest voltage limiting value, now, gland steam exhauster sealing can heat boosting.
Wherein, electric-controlled plate 30 is provided with cook, Baoshang and multiple gear such as to stew, during different gear, the heating power of heater is different.Be understandable that, electrical heating cooking apparatus usually has multiple different culinary art and selects module, such as cook, Baoshang, boiling etc., user selects according to cooking purpose when starting to cook, after entering boiling stage, different boiling culinary art control models can be selected according to the ongoing cooking operation of electrical heating cooking apparatus.
Preferably, electrical heating cooking apparatus also comprises: pressure-detecting device (not shown), pressure-detecting device is arranged on pot cover 10, and be connected with electric-controlled plate 30, for detecting the pressure in electrical heating cooking apparatus, electric-controlled plate 30 sends control instruction according to the force value detected.
For electric pressure cooking saucepan culinary art, in electric pressure cooking saucepan cooking skill, pressure cooking process can be divided into usually, plays the pressure last stage, plays pressure stage, packing stage, buck stage, boiling stage, holding stage.Playing the pressure last stage typically refers to cooking process and starts, and heater is started working, and the temperature of cooking apparatus inside is lower and also do not produce the process of pressure; Rise after the pressure stage typically refers to heater work a period of time, the temperature of cooking apparatus inside rises and produces pressure, along with continuing of heating, and the stage of pressure durations rising; When the pressure that packing stage typically refers to cooking apparatus inside reaches preset pressure value or preset pressure scope, by the duty of control heater, pressure in cooking apparatus is maintained setting range, food is carried out to the process of pressure cooking; Buck stage typically refers to and makes when there is pressure in cooking apparatus in order to the operation such as carry out uncapping the process that in cooking apparatus, pressure reduces; Holding stage typically refers to the less power of employing or adopts the mode of intermittent-heating to maintain the temperature of the food in cooking apparatus, and user can uncap at any time and take the process of food.Be understandable that, the segmentation of above-mentioned cooking process is only for the ease of the understanding to cooking process, and additive method also can be adopted to divide cooking process.
Adopt pressure-detecting device Real-Time Monitoring pot inner pressure, make the boiling pressure in electrical heating cooking apparatus (i.e. the pressure limiting pressure of boiling stage) that continuous print can be realized to regulate, pressure size no matter in cooking apparatus, as long as the pressure limiting pressure of regulation pressure-limiting valve 1, make the pressure limiting pressure of pressure limiting valve 1 pressure be less than in cooking apparatus can realize steam discharge boiling, the culinary art demand of various types of food can be met, and boiling pressure is controlled, the appearance of the problems such as the food spilling that can avoid seethes with excitement too acutely causes, specifically, electric-controlled plate 30 can control heating system heats to pot inner pressure to suitable force value according to different food, and pressure-detecting device Real-Time Monitoring pot inner pressure, electric-controlled plate 30 can be sent according to the force value detected in real time distance that instruction controls regulator board 4 that the adjustment of control step motor 6 can attract each other and pressure limiting valve 1, thus change the pressure limiting pressure of pressure limiting valve 1, make pressure limiting pressure a little less than operating pressure in pot, thus form small pressure reduction, exhaust boiling, thus efficiently avoid phenomenon of spraying and spoiling over, and the object that the constantly boiling under achieving different pressures is cooked.
It should be noted that, do not heat in buck stage, and lasting adjustment keeps the exhaust of smaller pressure reduction to shorten dip time.
Alternatively, pressure-detecting device is pressure sensor or temperature sensor.
Preferably, as shown in Fig. 9, Figure 11 and Figure 13, stepper motor 6 is arranged on pot body 20, pot cover 10 comprises: inner cap 101 and cover 102, cover 102 is fixedly connected with inner cap 101, and cover 102 is provided with guide post, the regulator board 4 of pressure-regulating device is provided with the gathering sill 41 matched with guide post, the back-moving spring 8 of pressure-regulating device is positioned at gathering sill 41, and one end is resisted against on the end face of guide post.
Specifically, when needing the pressure increasing pressure limiting valve 1, electric-controlled plate 30 controls stepper motor 6 drive screw 5 that is arranged on pot body 20 or drive rod 9 stretches into the regulator board 4 that pot cover 10 jack-up is positioned at pot cover 10, make regulator board 4 moves near pressure limiting valve 1, to reduce the spacing between the first magnet 3 and the second magnet 42, strengthen the attraction between the first magnet 3 and the second magnet 42, thus increase the pressure of pressure limiting valve 1, when needing the pressure reducing pressure limiting valve 1, electric-controlled plate 30 controls to be arranged on stepper motor 6 on pot body 20 and will stretch into pot cover 10 inner screw 5 or drive rod 9 is retracted to pot body 20, make regulator board 4 under the effect of back-moving spring 8 away from pressure limiting valve 1, to increase the spacing between the first magnet 3 and the second magnet 42, reduce the attraction between the first magnet 3 and the second magnet 42, thus reduce the pressure of pressure limiting valve 1, in addition, in the process of regulator board 4 movement, gathering sill 41 and lead 1021, guide effect is played in the movement that can be regulator board 4, thus make the movement of regulator board 4 more accurate.
In a specific embodiment of the present embodiment, cooking apparatus is electric pressure cooking saucepan.Certainly, cooking apparatus can also be other utensils, as: electric cookers etc., do not repeat one by one at this.
Below for electric pressure cooking saucepan by reference to the accompanying drawings, the control method of the electrical heating cooking apparatus that the utility model embodiment provides is illustrated.
In fig. 14, curve represents pot inner pressure curve, and straight line represents the pressure limiting pressure of pressure limiting valve 1.
As shown in figure 14, playing the pressure last stage, the pressure limiting pressure of pressure-regulating device regulation pressure-limiting valve 1, the pressure limiting pressure of pressure limiting valve 1 is made to be maximum, both pressure limiting valve 1 had the first pressure limiting pressure (the first pressure limiting pressure is at about 115Kpa), this the first pressure limiting pressure is much larger than pot inner pressure, thus ensure that before boiling stage can not steam discharge, when boiling stage, the pressure limiting pressure of pressure-regulating device regulation pressure-limiting valve 1, the pressure limiting pressure of pressure limiting valve 1 is reduced, namely pressure limiting valve 1 has the second pressure limiting pressure (the second pressure limiting pressure is less than pot inner pressure and is less than the first pressure limiting pressure simultaneously), under the effect of electric pressure cooking saucepan inner high voltage gas, pressure limiting valve 1 and gland steam exhauster 2 are separated, thus make electric pressure cooking saucepan steam discharge, realize the object of boiling, at packing stage, electric-controlled plate 30 Driving Stepping Motor 6 works the pressure limiting pressure of regulation pressure-limiting valve 1, makes pressure limiting valve 1 return to the first pressure limiting pressure, so that ensure can not steam discharge at packing stage electric pressure cooking saucepan, the operation principle of pressure limiting pressure of buck stage and boiling stage regulation pressure-limiting valve 1 and the basically identical of packing stage, do not repeat them here.
It should be noted that, at above-mentioned boiling stage, heater can heat always, under this kind of pattern, when the pressure in cooking apparatus is greater than the second pressure limiting pressure, pressure limiting valve 1 and gland steam exhauster 2 are separated, the pressure release of electric pressure cooking saucepan steam discharge, when pressure in cooking apparatus is less than the second pressure limiting pressure, pressure limiting valve 1 seals gland steam exhauster 2, and the pressure in cooking apparatus is fluctuated at the second pressure limiting pressure.If when heating power is larger, make the pressure in cooking apparatus be greater than the second pressure limiting pressure, then cooking apparatus can steam discharge always always.
Certainly, at above-mentioned boiling stage, the pressure in cooking apparatus can also be detected in real time by pressure-detecting device, when the pressure in cooking apparatus is greater than the second pressure limiting pressure, stop heating, when the pressure in cooking apparatus is less than the second pressure limiting pressure, start heating.
In sum, the pressure-regulating device of the pressure limiting valve that the utility model provides, compared with the mode adopting manual adjustments with prior art, first, the pressure-regulating device of pressure limiting valve has the advantages such as structure is simple, volume is little, cost is low, easy for installation; Secondly, when pressure limiting valve needs to keep certain pressure, the pressure-regulating device of pressure limiting valve can realize self-locking, thus make the constant distance between the first magnet and the second magnet constant, namely pressure limiting valve is constant to the pressure of the steam discharge mouth of pipe, and keep without the need to energising, significantly reduce the caloric value of motor, improve the service life of motor; Finally, the pressure-regulating device of pressure limiting valve makes the distance between the first magnet and the second magnet adjustable, thus the object of the electrodeless automatic adjustment of the voltage limiting value achieving pressure limiting valve; The electrical heating cooking apparatus that the utility model provides has whole beneficial effects of the pressure-regulating device of above-mentioned pressure limiting valve.
In description of the present utility model, term " is connected ", " connection ", " fixing ", " installation " etc. all should be interpreted broadly, and such as, " connection " can be fixedly connected with, and also can be removably connect, or connects integratedly; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the description of this description, specific features, structure, material or feature that the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (11)
1. a pressure-regulating device for pressure limiting valve, described pressure limiting valve can be set in the steam discharge mouth of pipe place of electrical heating cooking apparatus up or down, and it is characterized in that, described pressure-regulating device comprises:
Be arranged on the first magnet on described pressure limiting valve;
Be set in the regulator board on described gland steam exhauster, described regulator board be provided with the second magnet attracted each other with described first magnet;
Screw rod, described screw rod rectilinear movement can drive described regulator board to move along the axis of described gland steam exhauster, to regulate the distance between described first magnet and described second magnet, and then changes the pressure limiting pressure of described pressure limiting valve;
Stepper motor, the shell of described stepper motor is provided with the screwed hole matched with described screw rod, one end of described screw rod is screwed into described screwed hole and is connected with the rotor of described stepper motor, and described stepper motor can drive described screw rod straight line to stretch out or straight line is retracted; With
Electric-controlled plate, described electric-controlled plate is connected with described stepper motor, for controlling the work of described stepper motor.
2. the pressure-regulating device of pressure limiting valve according to claim 1, is characterized in that,
Also comprise: back-moving spring, one end of described back-moving spring is connected with described regulator board, and the other end is connected with the pot cover of described electrical heating cooking apparatus.
3. the pressure-regulating device of pressure limiting valve according to claim 1 and 2, is characterized in that,
Described first magnet and described second magnet are ferromagnet or permanent magnet.
4. a pressure-regulating device for pressure limiting valve, described pressure limiting valve can be set in the steam discharge mouth of pipe place of electrical heating cooking apparatus up or down, and it is characterized in that, described pressure-regulating device comprises:
Be arranged on the first magnet on described pressure limiting valve;
Be set in the regulator board on described gland steam exhauster, described regulator board be provided with the second magnet attracted each other with described first magnet;
Screw rod;
Drive rod, a bar limit of described drive rod is provided with the screwed hole matched with described screw rod;
Stepper motor, the shell of described stepper motor is provided with installing plate, one end of described screw rod is connected with the rotor of described stepper motor, the other end is screwed into described screwed hole and is connected rotationally with described installing plate, described rotor can drive described screw rod along own axis, the rotation of described screw rod can drive described drive rod straight line to stretch out or straight line is retracted, the straight line of described drive rod stretches out or straight line is retracted can drive described regulator board to move along the axis of described gland steam exhauster, to regulate the distance between described first magnet and described second magnet, and then change the pressure limiting pressure of described pressure limiting valve, with
Electric-controlled plate, described electric-controlled plate is connected with described stepper motor, for controlling the work of described stepper motor.
5. the pressure-regulating device of pressure limiting valve according to claim 4, is characterized in that,
Also comprise: back-moving spring, one end of described back-moving spring is connected with described regulator board, and the other end is connected with the pot cover of described electrical heating cooking apparatus.
6. the pressure-regulating device of the pressure limiting valve according to claim 4 or 5, is characterized in that,
Described first magnet and described second magnet are ferromagnet or permanent magnet.
7. an electrical heating cooking apparatus, is characterized in that, comprising:
Pot body, described pot body is provided with electric-controlled plate and heater, and described heater is connected with described electric-controlled plate, and described electric-controlled plate can control the work of described heater;
Pot cover, described pot cover can be connected with described pot body with opening or close, and described pot cover is provided with gland steam exhauster, described gland steam exhauster is provided with pressure limiting valve; With
The pressure-regulating device of the pressure limiting valve any one of claim 1 to 6 as described in claim, the regulator board of described pressure-regulating device is arranged in described pot cover, the stepper motor of described pressure-regulating device is arranged in described pot cover or on pot body, described electric-controlled plate is connected with described stepper motor, and can control the work of described stepper motor.
8. electrical heating cooking apparatus according to claim 7, is characterized in that,
Also comprise:
Pressure-detecting device, described pressure-detecting device is arranged on pot cover, and is connected with described electric-controlled plate, and for detecting the pressure in described electrical heating cooking apparatus, described electric-controlled plate sends control instruction according to the force value detected.
9. electrical heating cooking apparatus according to claim 8, is characterized in that,
Described pressure-detecting device is pressure sensor or temperature sensor.
10. the electrical heating cooking apparatus according to any one of claim 7 to 9, is characterized in that,
Described stepper motor is arranged on described pot body, and described pot cover comprises:
Inner cap; With
Cover, described cover is fixedly connected with described inner cap, described cover is provided with guide post, the regulator board of described pressure-regulating device is provided with the gathering sill matched with described guide post, the back-moving spring of described pressure-regulating device is positioned at described gathering sill, and one end is resisted against on the end face of described guide post.
11. electrical heating cooking apparatus according to any one of claim 7 to 9, is characterized in that,
Described electrical heating cooking apparatus is electric pressure cooking saucepan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420507195.4U CN204033084U (en) | 2014-09-03 | 2014-09-03 | The pressure-regulating device of pressure limiting valve and electrical heating cooking apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420507195.4U CN204033084U (en) | 2014-09-03 | 2014-09-03 | The pressure-regulating device of pressure limiting valve and electrical heating cooking apparatus |
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| CN204033084U true CN204033084U (en) | 2014-12-24 |
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| CN201420507195.4U Withdrawn - After Issue CN204033084U (en) | 2014-09-03 | 2014-09-03 | The pressure-regulating device of pressure limiting valve and electrical heating cooking apparatus |
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| CN104688022A (en) * | 2015-03-07 | 2015-06-10 | 孙子扬 | Electric energy self-supply system |
| CN105380505A (en) * | 2014-09-03 | 2016-03-09 | 佛山市顺德区美的电热电器制造有限公司 | Pressure adjusting device for pressure limiting valve and electric heating cooking utensil |
| CN105877478A (en) * | 2015-01-26 | 2016-08-24 | 佛山市顺德区美的电热电器制造有限公司 | Pressure cooking utensil and cooling control method thereof |
| CN105877475A (en) * | 2015-01-26 | 2016-08-24 | 佛山市顺德区美的电热电器制造有限公司 | Pressure cooking utensil and cooling control method thereof |
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| CN104688022A (en) * | 2015-03-07 | 2015-06-10 | 孙子扬 | Electric energy self-supply system |
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| CN107198443A (en) * | 2016-03-16 | 2017-09-26 | 松下知识产权经营株式会社 | Cooker |
| CN107307728A (en) * | 2016-04-27 | 2017-11-03 | 浙江绍兴苏泊尔生活电器有限公司 | Control method of cooking appliance |
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| CN107296487B (en) * | 2016-06-08 | 2022-08-05 | 佛山市顺德区美的电热电器制造有限公司 | Pressure regulating mechanism and pressure cooker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141224 Effective date of abandoning: 20170517 |