CN208834989U - Food processer and food processer circuit - Google Patents
Food processer and food processer circuit Download PDFInfo
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- CN208834989U CN208834989U CN201821682758.8U CN201821682758U CN208834989U CN 208834989 U CN208834989 U CN 208834989U CN 201821682758 U CN201821682758 U CN 201821682758U CN 208834989 U CN208834989 U CN 208834989U
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- relay
- cooking machine
- control
- triode
- module
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- 238000010411 cooking Methods 0.000 claims description 39
- 239000003990 capacitor Substances 0.000 claims description 15
- 230000011664 signaling Effects 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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Abstract
The utility model provides a food processor and a food processor circuit, which comprises a frame and a food processing cup arranged on the frame, wherein the food processor is provided with a circuit, the circuit comprises a motor and a motor driving module used for driving the motor; a relay; the relay driving module is connected with the relay and drives the relay; the central control module is connected with commercial power and controls the motor driving module and the relay driving module; the central control module comprises a signal control unit, the signal control unit sends a pulse control signal or a level control signal to the relay driving module to control the on-off of the relay so as to reduce the heat loss of the relay, a control board and a power board which are electrically connected are arranged in the machine base, the relay and the relay driving module are arranged on the power board, and the central control module is arranged on the control board. The utility model discloses a signal control unit sends pulse control signal or level control signal to relay drive module and reduces the heat waste of relay, promotes the life-span of product.
Description
Technical field
The utility model relates to small household appliances field more particularly to a kind of cooking machines and cooking machine circuit.
Background technique
Existing cooking machine can stir triturable multi-functional because that can heat, and it is easy to use etc. excellent to stir good crushing effect etc.
Point has got the favour of people and has approved, at indispensable electric appliance in for people's lives.
Coil, which is in, when relay in cooking machine circuit works operates at full capacity, and high-current relay thermal losses is larger,
Work long hours easy aging.How to reduce the heat waste relationship product of relay using the safe and service life.Therefore needing will material
The circuit of reason machine is adjusted to reduce the heat waste of relay.
Utility model content
The utility model provides a kind of cooking machine and cooking machine circuit.
According to a first aspect of the present application, a kind of cooking machine circuit, including motor,
Motor drive module, for driving the motor；
Relay；
Relay driving module connect with the relay and drives relay；
Central control module is electrically connected with city and controls the motor drive module and relay driving module；In described
Entreating control module includes signaling control unit, and the signaling control unit sends pulse control letter to the relay driving module
Number or level controling signal control relay on-off to reduce the heat waste of relay.
Further, the signaling control unit is control chip, and the relay driving module includes connecting with relay
The triode and diode connect, coil one end of the relay and the collector connection other end of triode and bearing for diode
Pole connection.
Further, the has been arranged in series between the base stage of the port and triode of the relay and control chip connection
One resistance.
Further, bridging has second resistance, the transmitting of the triode between the base stage and emitter of the triode
Pole ground connection.
Further, the control chip sends pulse signal to relay port connected to it to control triode
On-off sends triode when low level and disconnects wherein sending triode ON when high level.
Further, the pulse signal is the pulse signal of a duty ratio, the minimum pulse width of the pulse signal
Relay can be maintained to keep attracting state.
Further, in parallel capacitor and 3rd resistor are additionally provided in the relay driving module, the capacitor and the
The series connection of three resistance is set between relay and diode.
Further, the control chip is inhaled to relay port transmission level signal connected to it, the relay
Before conjunction, the electricity of capacitor is discharged by 3rd resistor, and after relay port receives unblocked level, electric current arrives relay line through capacitor again
Circle finally arrives ground terminal.
Further, the delay that the relay triggers actuation for the first time is Ts, and the relay is by being disconnected to prolonging for actuation
When be T1, wherein T1 < Ts.
According to a second aspect of the present application, a kind of cooking machine is provided, including base and is set to the cooking cup of base, it is described
Cooking machine has cooking machine circuit as described above, wherein the control panel and power panel of electrical connection are equipped in the base, it is described
Relay and relay driving module are set to power panel, and the central control module is set to the control panel.
By above technical scheme as it can be seen that the utility model is single by the signal control for being set to central control module in circuit
Member, which sends pulse control signal or level controling signal to relay driving module, reduces temperature rise or the reality electricity of the relay
Pressure, to reach the heat waste for reducing the relay, improves the service life of product.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The utility model can be limited.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without any creative labor, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the block diagram representation of one embodiment cooking machine circuit of the application；
Fig. 2 is the block diagram representation of another embodiment cooking machine circuit of the application；
Fig. 3 is the three-dimensional assembling schematic cross-sectional view of one embodiment cooking machine of the application.
Appended drawing reference:
Cooking machine circuit 100
1 motor drive module 10 of motor
2 relay driving module 20 of relay
21 diode of triode, 22 first resistor 23
24 capacitor of second resistance, 25 3rd resistor 26
3 signaling control unit 30 of central control module
Cooking machine 200
Base 201 arranges 202 control panel 203 of cup
Power panel 204
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the utility model.On the contrary, they be only with such as
The example of the consistent device and method of some aspects be described in detail in the appended claims, the utility model.
It is only to be not intended to be limiting this reality merely for for the purpose of describing particular embodiments in the term that the utility model uses
With novel.In the "an" of the utility model and singular used in the attached claims, " described " and "the"
Most forms are intended to include, unless the context clearly indicates other meaning.It is also understood that term used herein " and/
Or " refer to and include that one or more associated any or all of project listed may combine.
It will be appreciated that though various information may be described using term first, second, third, etc. in the utility model,
But these information should not necessarily be limited by these terms.These terms are only used to for same type of information being distinguished from each other out.For example, not
In the case where being detached from the scope of the utility model, the first information can also be referred to as the second information, and similarly, the second information can also be with
The referred to as first information.Depending on context, word as used in this " if " can be construed to " ... when " or
" when ... " or " in response to determination ".
With reference to the accompanying drawing, a kind of cooking machine 200 of the utility model and cooking machine circuit 100 are described in detail.
In the absence of conflict, the feature in following embodiment and embodiment can be combined with each other.
It please refers to shown in Fig. 1 to Fig. 3, a kind of cooking machine 200 of the application, including base 201, the cooking being set on base
Cup 202, the base 201 is interior to be equipped with cooking machine circuit 100.The cooking machine realizes powder by the control of cooking machine circuit 100
The various functions such as broken slurrying.
The cooking machine circuit 100 includes motor 1, motor drive module 10, for driving the motor 1；Relay 2；
Relay driving module 20 connect with the relay 2 and drives relay 2；Central control module 3, is electrically connected and is controlled with city
Make the motor drive module 10 and relay driving module 20；The central control module 3 includes signaling control unit 30, institute
It states signaling control unit 30 and sends pulse control signal or level controling signal control relay to the relay driving module 20
The on-off of device 2 is to reduce the heat waste of relay 2.
Specifically, be equipped with the control panel 202 and power panel 203 of electrical connection in the base 201, the relay 2 with after
Electrical equipment drive module 20 is set to power panel 203, and the central control module 3 is set to the control panel 202.
The signaling control unit 30 is control chip, and the relay driving module 20 includes connecting with relay 2
Coil one end of triode 21 and diode 22, the relay 2 connect the other end and diode with the collector of triode 21
22 cathode connection.In the present embodiment, the triode 21 is NPN triode.
First resistor has been arranged in series between the base stage of the port and triode 21 of the relay 2 and control chip connection
23。
Bridging has second resistance 24 between the base stage and emitter of the triode 21, and the emitter of the triode 21 connects
Ground.
The control chip controls the on-off of triode 21 to 2 port of relay connected to it transmission pulse signal,
The triode 21 is connected when wherein sending high level, sends the triode 21 when low level and disconnects.When relay 2 is attracted,
Coil will not be constantly in working condition, can reduce coil thermal losses.The relay trigger for the first time actuation delay be Ts with
Guarantee the reliability being attracted；The relay 2 is T1 by the delay for being disconnected to actuation, wherein T1 < Ts.It is used in the present embodiment
Relay 2 by being disconnected to the delay T of actuation1Meet 0 < T1≤10ms.The relay 2, which is attracted to disconnection, delay T2,
In 0 < T2≤5ms.Herein described T1And T2The selection of specific value is related using 2 self-characteristic of relay with product.According to
The two characteristics of relay 2, setting pulse-triggered count for ensure relay 2 reliably be attracted, as long as later guarantee after after
The turn-off time of electric appliance 2 is no more than T2The switch of relay 2 can be made in attracting state.Triggering pickup time is that T1 is followed with program
Product the time required to ring one week.Relay 2 keeps pickup signal enough time after triggering actuation for the first time, to guarantee relay
2 reliable actuation.After the switch of relay 2 is attracted, motor 1 can be controlled by motor drive module 10.
The pulse signal is the pulse signal of a duty ratio, is issued by the control chip of central control module 3, the arteries and veins
The minimum pulse width for rushing signal can maintain relay 2 to keep attracting state.
In another embodiment, capacitor 25 and 3rd resistor 26 in parallel are additionally provided in the relay driving module 20,
The capacitor 25 and 3rd resistor 26 are arranged in series between relay 2 and diode 22.In the present embodiment, only change driving is electric
Road Signal trigger mode can reduce the heat waste of relay 2, at low cost and reliable performance.
The control chip is kept it turning on when being attracted to relay port transmission level signal connected to it, relay 2
Level, relay 2 remain turned-off level when disconnecting.Before the relay 2 is attracted, the electricity of capacitor 25, which has passed through 3rd resistor 26, to be released
It puts, after relay port receives unblocked level, electric current is by power end through capacitor 25 again to 2 coil of relay finally to ground terminal.
When to charge to 3rd resistor 26 identical as the partial pressure electricity of 2 Coil resistance of relay for capacitor 25；Charging terminates, and capacitor 25 is close to opening
Road, power end by 3rd resistor 26 to 2 coil power supply of relay, since the partial pressure of 3rd resistor 26 acts on so that after
2 coil voltage of electric appliance reduces, therefore electric current can also play reduction heat again smaller than the load current value of 2 coil of relay in this way
The effect of damage.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent substitution, improvement and etc. done should be included in the utility model
Within the scope of protection.
Claims (10)
1. a kind of cooking machine circuit (100), which is characterized in that including
Motor (1),
Motor drive module (10), for driving the motor (1)；
Relay (2)；
Relay driving module (20) connect with the relay (2) and drives relay (2)；
Central control module (3) is electrically connected with city and controls the motor drive module (10) and relay driving module (20)；
The central control module (3) includes signaling control unit (30), signaling control unit (30) the Xiang Suoshu relay driving
Module (20) sends the on-off of pulse control signal or level controling signal control relay (2) to reduce the heat of relay (2)
Damage.
2. cooking machine circuit (100) according to claim 1, which is characterized in that the signaling control unit (30) is control
Coremaking piece, the relay driving module (20) includes the triode (21) and diode (22) connecting with relay (2), described
Coil one end of relay (2) connect the other end with the collector of triode (21) and connect with the cathode of diode (22).
3. cooking machine circuit (100) according to claim 2, which is characterized in that the relay (2) and control chip connect
First resistor (23) have been arranged in series between the port connect and the base stage of triode (21).
4. cooking machine circuit (100) according to claim 3, which is characterized in that the base stage and hair of the triode (21)
There is second resistance (24) bridging between emitter-base bandgap grading, the emitter ground connection of the triode (21).
5. cooking machine circuit (100) according to claim 4, which is characterized in that the control chip is to connected to it
Relay port sends pulse signal to control the on-off of triode (21), wherein the triode (21) is led when sending high level
It is logical, it sends the triode (21) when low level and disconnects.
6. cooking machine circuit (100) according to claim 5, which is characterized in that the pulse signal is a duty ratio
Pulse signal, the minimum pulse width of the pulse signal can maintain relay (2) to keep attracting state.
7. according to the described in any item cooking machine circuits (100) of claim 2 to 4, which is characterized in that the relay driving mould
Capacitor (25) and 3rd resistor (26), the capacitor (25) and 3rd resistor (26) in parallel is additionally provided in block (20) to be arranged in series
Between relay (2) and diode (22).
8. cooking machine circuit (100) according to claim 7, which is characterized in that the control chip is to connected to it
Relay port transmission level signal, before the relay (2) is attracted, the electricity of capacitor (25) is discharged by 3rd resistor (26),
After relay port receives unblocked level, electric current arrives relay (2) coil through capacitor (25) again and finally arrives ground terminal.
9. cooking machine circuit (100) according to claim 5 or 8, which is characterized in that the relay triggers actuation for the first time
Delay be Ts, the relay (2) is T1, wherein T1 < Ts by the delay for being disconnected to actuation.
10. a kind of cooking machine (200), which is characterized in that including base (201) and it is set to the cooking cup (202) of base, it is described
Cooking machine has the described in any item cooking machine circuits (100) of claim 1-9, wherein electrical connection is equipped in the base
Control panel (203) and power panel (204), the relay (2) and relay driving module (20) are set to power panel, the center
Control module (3) is set to the control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821682758.8U CN208834989U (en) | 2018-10-17 | 2018-10-17 | Food processer and food processer circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821682758.8U CN208834989U (en) | 2018-10-17 | 2018-10-17 | Food processer and food processer circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208834989U true CN208834989U (en) | 2019-05-07 |
Family
ID=66318996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821682758.8U Active CN208834989U (en) | 2018-10-17 | 2018-10-17 | Food processer and food processer circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208834989U (en) |
-
2018
- 2018-10-17 CN CN201821682758.8U patent/CN208834989U/en active Active
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