CN206162237U - Many check electricity rice cooker and electromagnetism electrical pressure cooker's electric power control device - Google Patents
Many check electricity rice cooker and electromagnetism electrical pressure cooker's electric power control device Download PDFInfo
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- CN206162237U CN206162237U CN201621126304.3U CN201621126304U CN206162237U CN 206162237 U CN206162237 U CN 206162237U CN 201621126304 U CN201621126304 U CN 201621126304U CN 206162237 U CN206162237 U CN 206162237U
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Abstract
The utility model relates to a many check electricity rice cooker and electromagnetism electrical pressure cooker's electric power control device, including alternating current power supply, EMC circuit, rectifier circuit and two at least single check electric control modules, alternating current power supply's output is connected with the input of EMC circuit, the output of EMC circuit is connected with rectifier circuit's input, be parallel connection between two at least single check electric control modules, the common input after it is parallelly connected is connected with rectifier circuit's output, alternating current power supply is used for: provide the power for each single check electric control module, rectifier circuit is used for: carry out exporting to behind the rectifying and wave -filtering each single check electric control module for alternating current power supply, single check electric control module is used for: adjust many check electricity rice cooker and electromagnetism electrical pressure cooker's heating power. The utility model discloses a control strategy of the single check electric control module of rectification multichannel not only can make output lower all the way, improves the utilization ratio of power simultaneously, the structure of dwindling the furnace body in addition.
Description
Technical field
The utility model belongs to electronic technology field, is specifically related to the electricity of a kind of many lattice electric cookers and electromagnetic voltage power pot
Force control device.
Background technology
Electric cooker, also referred to as grill pan, electric cooker.It is the cooker for being changed into interior energy using electric energy, easy to use, cleaning is defended
It is raw, also with various operating functions such as being steamed, boiled, stewed, simmered to food.Electric cooker has become now with electromagnetic voltage power pot
Daily household electrical appliance, its have the advantages that compact, senseless anger, smoke dust, without pernicious gas, graceful using safety, profile,
And stewed without the need for labor management using electric cooker or electromagnetic voltage power, reduce time of many household expenses on cooking.But
Electromagnetism rice cooker on existing market is single pot of single stove with electromagnetic voltage power pot, and its circuit control schemes for mainly adopting is single power
Transistor circuit control program, this kind of technical scheme cannot be controlled to the heating power of electric cooker or electromagnetic voltage power pot,
Its operating frequency cannot be changed, it is impossible to fine regulation is carried out to heating effect, and using this kind of electric cooker or electromagnetic voltage power
Stewing meal, its circuit power is larger, energy consumption is higher, while there is a problem of that control accuracy is poor.
Utility model content
For the defect of prior art, the utility model provides the electric power of a kind of many lattice electric cookers and electromagnetic voltage power pot
Control device, to improve power utilization rate, reduces the structure of body of heater.
The technical solution of the utility model is as follows：The power control unit that a kind of many lattice electric cookers are stewed with electromagnetic voltage power,
Including AC power, EMC circuits, rectification circuit and at least two single lattice power control modules；The output of the AC power
End be connected with the input of EMC circuits, the output end of EMC circuits is connected with the input of rectification circuit, it is described extremely
To be connected in parallel between few two single lattice power control modules, the output end phase of the common input end after its parallel connection and rectification circuit
Connection；
The AC power is used for：Power supply is provided for each single lattice power control module；
The rectification circuit is used for：Carry out exporting after rectifying and wave-filtering to each single lattice power control module for AC power；
The single lattice power control module is used for：Adjust the heating power of many lattice electric cookers and electromagnetic voltage power pot.
Alternatively, the single lattice power control module includes governor circuit module, power driving circuit module and power
Inverter circuit module, the governor circuit module is connected with the power driving circuit module, the power driving circuit module
It is connected with the power inversion circuit module；
The governor circuit module is used for：The power output of the power driving circuit module is adjusted according to plug-in；
The power driving circuit module is used for：Operating frequency and ON time in adjustment circuit；
The power inversion circuit module is used for：By the resonant frequency in adjustment circuit, and adjust the big of power output
It is little.
Alternatively, the electric capacity span between the positive and negative power supply line of the EMC circuits is between the 1 μ F of μ F to 5.
Alternatively, the span of the common mode inductance between the positive and negative power supply line of the EMC circuits 3mH to 30mH it
Between.
Alternatively, the power driving circuit module is IGBT drive circuit.
IGBT is a kind of full-control type power device, and its open and closing is directly controlled by its grid, with oscillation circuit
Power factor (PF) it is unrelated, it is unrelated with the Q values of oscillation circuit, so, the weight for no matter loading can be successfully started up, therefore, as long as
Suitable Q values are selected in the design, so that it may not only ensured the reliability of equipment but also can have been made equipment that there is very high efficiency, so as to reach
The purpose of economize on electricity.
By the electric cooker in the series resonance-type of IGBT frequency conversions, its power factor (PF) height >=0.95, the power after rectification
Factor can >=0.97；Economize on electricity is notable, the advantages of can successfully starting up under any load, by resonance effect, and its heating effect
More preferably, energy consumption is lower, is the optimal selection that food is heated in family.
Alternatively, the power inversion circuit module include connect in parallel each other resistance, compensating electric capacity with
And inductive coil disk.
Alternatively, the governor circuit module is connected to the power driving circuit module by PPG pins.
Alternatively, the governor circuit module is connected to the rectification circuit by CUR pins, and it is used for the electric current of circuit
Detection.
Alternatively, the IGBT drive circuit includes that the single tube that insulated gate level type power tube IGBT and diode are constituted drives
Circuit.
Alternatively, the insulated gate level type power tube IGBT is parallel with respectively resistance R9, commutation diode ZD1, Yi Ji electricity
Hold C9.
The power control unit that a kind of many lattice electric cookers that the utility model is provided are stewed with electromagnetic voltage power is using whole all the way
Current circuit connects the technical scheme of several multichannel single lattice power control modules parallel with one another, not only can allow single lattice rice cooker with
It is lower that the power of electromagnetic voltage power pot does, by being respectively provided with IGBT circuits to each single lattice electric cooker and electromagnetic voltage power pot
Power adjusting is carried out, its power output can be accurately controlled, by resonance effect, more preferably, energy consumption is more for its heating effect
It is low, while the utilization rate of power supply is improved, and also the design of many lattice reduces the structure of body of heater, is heating food in family
Optimal selection.
Description of the drawings
In order to be illustrated more clearly that the utility model specific embodiment or technical scheme of the prior art, below will be right
The accompanying drawing to be used needed for specific embodiment or description of the prior art is briefly described.In all of the figs, it is similar
Element or part are typically identified by similar reference.In accompanying drawing, each element or part might not be according to actual ratios
Draw.
Fig. 1 shows the power control unit of a kind of many lattice electric cookers provided by the utility model and electromagnetic voltage power pot
Circuit structure block diagram；
Fig. 2 has used the power control unit of a kind of many lattice electric cookers provided by the utility model and electromagnetic voltage power pot
Single lattice power control module structured flowchart；
Fig. 3 shows the power control unit of a kind of many lattice electric cookers provided by the utility model and electromagnetic voltage power pot
EMC circuit diagrams；
Fig. 4 shows the power control unit of a kind of many lattice electric cookers provided by the utility model and electromagnetic voltage power pot
Rectification circuit circuit diagram；
Fig. 5 shows the power control unit of a kind of many lattice electric cookers provided by the utility model and electromagnetic voltage power pot
Power control module circuit diagram；
Fig. 6 shows the power control unit of a kind of many lattice electric cookers provided by the utility model and electromagnetic voltage power pot
Governor circuit module circuit diagram.
Specific embodiment
The embodiment of technical solutions of the utility model is described in detail below in conjunction with accompanying drawing.Following examples are only
For clearly illustrating the technical solution of the utility model, therefore example is intended only as, and this reality can not be limited with this
With new protection domain.It should be noted that unless otherwise stated, technical term used in this application or scientific terminology should
When the ordinary meaning understood by the utility model one of ordinary skill in the art.
Embodiment one provides the power control unit of a kind of many lattice electric cookers and electromagnetic voltage power pot：
According to Fig. 1 and Fig. 2：The power control unit that a kind of many lattice electric cookers are stewed with electromagnetic voltage power, including exchange
Power supply 1, EMC circuits 2, rectification circuit 3 and single lattice power control module 41 and single lattice power control module 42；The alternating current
The output end in source 1 is connected with the input of EMC circuits 2, the output end of the EMC circuits 2 and the input phase of rectification circuit 3
Connection, to be connected in parallel between the single lattice power control module 41 and the single lattice power control module 42, after its parallel connection
Common input end is connected with the output end of rectification circuit 3；
The AC power 1 is used for：It is that single lattice power control module 41 and single lattice power control module 42 provide power supply；
The rectification circuit 3 is used for：Carry out exporting after rectifying and wave-filtering to the He of single lattice power control module 41 for AC power 1
Single lattice power control module 42；
The single lattice power control module 41 and the single lattice power control module 42 are respectively used to adjust respective control
The heating power that single lattice electric cooker is stewed with electromagnetic voltage power.
Alternatively, the single lattice power control module 41 include governor circuit module 51, power driving circuit module 61 with
And power inversion circuit module 71, the governor circuit module 51 is connected 61 with the power driving circuit module, the power
Drive circuit module 61 is connected with the power inversion circuit module 71；
The governor circuit module 51 is used for：The output work of the module of power driving circuit 61 is adjusted according to plug-in
Rate；
The power driving circuit module 61 is used for：Operating frequency and ON time in adjustment circuit；
The power inversion circuit module 71 is used for：By the resonant frequency in adjustment circuit, and adjust power output
Size.
According to Fig. 3 to Fig. 6：The present embodiment one provides the electric power control of a kind of many lattice electric cookers and electromagnetic voltage power pot
Each module physical circuit of device processed constitutes as follows：
The span of the electric capacity C8 between the positive and negative power supply line of the EMC circuits is between the 1 μ F of μ F to 5.This enforcement
In example, C8 values are 5 μ F.
The span of the common mode inductance between the positive and negative power supply line of the EMC circuits is between 3mH to 30mH.This reality
In applying example, L2 values are 5mH.
In the present embodiment, the governor circuit module is connected to the power driving circuit module by PPG pins.Pass through
The electric current of the built-in control program control adjustment output to PPG pins of governor circuit module.
In the present embodiment, the power driving circuit module is IGBT drive circuit.The front end of the IGBT drive circuit
Include two triodes of Q1 and Q2 for amplifying the cascade of current signal, and triode Q3 grounded base with Q1.It is described
Q1, Q2, Q3 are MMBT222A-SOT23 type paster triodes.The wherein base resistance R5 of triode Q2 be 220 Ω, triode
The emitting stage resistance R6 of Q1 is 39 Ω, and the emitting stage resistance R10 of triode Q3 is 10 Ω.
In the present embodiment, the IGBT drive circuit also includes the list that insulated gate level type power tube IGBT and diode are constituted
Tube drive circuit.
In the present embodiment, the insulated gate level type power tube IGBT be parallel with respectively resistance R9, commutation diode ZD1, with
And electric capacity C9.Wherein resistance R9 values are that 10K Ω, electric capacity C9 are 100PF.
In the present embodiment, the power adjusting of the IGBT circuits has two ways：1st, the operating frequency of frequency changer circuit is changed
(frequency conversion), 2, change the ON time (adjust wide) of IGBT.Output circuit is characterized in that induction coil is in series with compensating electric capacity
Series resonant circuit.This circuit is characterized in that the electric current for flowing through IGBT is equal with the electric current for flowing through induction coil and compensating electric capacity,
And the voltage on induction coil is 3～10 times of DC voltage after rectification, (series resonant circuit is characterized in that the electricity of oscillator coil
Pressure is Q times of DC voltage).Voltage on induction coil is directly provided by compensating electric capacity, so improving the voltage of induction coil
The pressure of power device need not simultaneously be improved.
In the present embodiment, the power inversion circuit module includes resistance, the compensation electricity for connecting in parallel each other
Hold and inductive coil disk.The nominal value of wherein described compensating electric capacity C4 is 0.2 μ F, and the DC voltage that can be born is 1200V.
CMP0_N, CMPO_P and CMP2_P pin of the governor circuit module is used to test the power inverting module
Output signal phase difference.
In the present embodiment, the governor circuit module is connected to the rectification circuit by CUR pins, and it is used for circuit
Current detecting.The span of the inductance L1 of wherein described rectification circuit is 400 μ H to 1.2Mh.The value of electric capacity C7 is 5 Μ f,
DC voltage can be born for 400V.Resistance R1 values are 10m Ω.
The power control unit that a kind of many lattice electric cookers that the utility model embodiment one is provided are stewed with electromagnetic voltage power is adopted
Connect the scheme of several single lattice power control modules parallel with one another with rectification circuit all the way, not only can allow many lattice electric cookers
It is lower with what the power of the single lattice cooker body of electromagnetic voltage power pot did, while improving the utilization rate of power supply, and reduce the knot of body of heater
Structure.
Finally it should be noted that：Various embodiments above is only illustrating the technical solution of the utility model, rather than it is limited
System；Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It still can modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent；And these are changed or are replaced, the essence for not making appropriate technical solution departs from this practicality newly
The scope of each embodiment technical scheme of type, it all should cover in the middle of the scope of claim of the present utility model and specification.
Claims (10)
1. the power control unit that a kind of many lattice electric cookers are stewed with electromagnetic voltage power, it is characterised in that：Including AC power, EMC
Circuit, rectification circuit and at least two single lattice circuit control modules；The output end of the AC power and the input of EMC circuits
End is connected, and the output end of EMC circuits is connected with the input of rectification circuit, at least two single lattices circuit control
To be connected in parallel between module, the common input end after its parallel connection is connected with the output end of rectification circuit；
The AC power is used for：Power supply is provided for each single lattice power control module；
The rectification circuit is used for：Carry out exporting after rectifying and wave-filtering to each single lattice power control module for AC power；
The single lattice power control module is used for：Adjust the heating power of many lattice electric cookers and electromagnetic voltage power pot.
2. the power control unit that a kind of many lattice electric cookers according to claim 1 are stewed with electromagnetic voltage power, its feature exists
In：The single lattice power control module includes governor circuit module, power driving circuit module and power inversion circuit module,
The governor circuit module is connected with the power driving circuit module, the power driving circuit module and the power inverting
Circuit module connects；
The governor circuit module is used for：The power output of the power driving circuit module is adjusted according to plug-in；
The power driving circuit module is used for：Operating frequency and ON time in adjustment circuit；
The power inversion circuit module is used for：By the resonant frequency in adjustment circuit, and adjust the size of power output.
3. the power control unit that a kind of many lattice electric cookers according to claim 1 are stewed with electromagnetic voltage power, its feature exists
In：Electric capacity span between the positive and negative power supply line of the EMC circuits is between the 1 μ F of μ F to 5.
4. the power control unit that a kind of many lattice electric cookers according to claim 1 are stewed with electromagnetic voltage power, its feature exists
In：The span of the common mode inductance between the positive and negative power supply line of the EMC circuits is between 3mH to 30mH.
5. the power control unit that a kind of many lattice electric cookers according to claim 2 are stewed with electromagnetic voltage power, its feature exists
In：The power driving circuit module is IGBT drive circuit.
6. the power control unit that a kind of many lattice electric cookers according to claim 2 are stewed with electromagnetic voltage power, its feature exists
In：The power inversion circuit module includes resistance, compensating electric capacity and the inductive coil disk for connecting in parallel each other.
7. the power control unit that a kind of many lattice electric cookers according to claim 2 are stewed with electromagnetic voltage power, its feature exists
In：The governor circuit module is connected to the power driving circuit module by PPG pins.
8. the power control unit that a kind of many lattice electric cookers according to claim 2 are stewed with electromagnetic voltage power, its feature exists
In：The governor circuit module is connected to the rectification circuit by CUR pins, and it is used for the current detecting of circuit.
9. the power control unit that a kind of many lattice electric cookers according to claim 5 are stewed with electromagnetic voltage power, its feature exists
In：The IGBT drive circuit includes the single tube drive circuit that insulated gate level type power tube IGBT and diode are constituted.
10. the power control unit that a kind of many lattice electric cookers according to claim 9 are stewed with electromagnetic voltage power, its feature exists
In：The insulated gate level type power tube IGBT is parallel with respectively resistance R9, commutation diode ZD1 and electric capacity C9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621126304.3U CN206162237U (en) | 2016-10-14 | 2016-10-14 | Many check electricity rice cooker and electromagnetism electrical pressure cooker's electric power control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621126304.3U CN206162237U (en) | 2016-10-14 | 2016-10-14 | Many check electricity rice cooker and electromagnetism electrical pressure cooker's electric power control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206162237U true CN206162237U (en) | 2017-05-10 |
Family
ID=58653253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621126304.3U Active CN206162237U (en) | 2016-10-14 | 2016-10-14 | Many check electricity rice cooker and electromagnetism electrical pressure cooker's electric power control device |
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| CN (1) | CN206162237U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110801145A (en) * | 2018-08-06 | 2020-02-18 | 佛山市顺德区美的电热电器制造有限公司 | Control method and system of cooking device and cooking device |
-
2016
- 2016-10-14 CN CN201621126304.3U patent/CN206162237U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110801145A (en) * | 2018-08-06 | 2020-02-18 | 佛山市顺德区美的电热电器制造有限公司 | Control method and system of cooking device and cooking device |
| CN110801145B (en) * | 2018-08-06 | 2021-12-21 | 佛山市顺德区美的电热电器制造有限公司 | Control method and system of cooking device and cooking device |
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