CN201256884Y - Single-chip microcomputer drive control device of full automatic soya-bean making device - Google Patents
Single-chip microcomputer drive control device of full automatic soya-bean making device Download PDFInfo
- Publication number
- CN201256884Y CN201256884Y CNU200820041797XU CN200820041797U CN201256884Y CN 201256884 Y CN201256884 Y CN 201256884Y CN U200820041797X U CNU200820041797X U CN U200820041797XU CN 200820041797 U CN200820041797 U CN 200820041797U CN 201256884 Y CN201256884 Y CN 201256884Y
- Authority
- CN
- China
- Prior art keywords
- controllable silicon
- chip microcomputer
- connects
- master control
- resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Beans For Foods Or Fodder (AREA)
Abstract
The utility model discloses a singlechip driving control device of a full-automatic soy milk machine which comprises a singlechip adopting a transless step-down rectifying power supply circuit to supply power, and a sensing control unit, a controllable silicon heating control unit and a controllable silicon motor controlling unit which are directly connected with and driven by the singlechip. The utility model adopts the transless step-down rectifying power supply circuit to supply power and directly connects and drives the controllable silicon heating control unit and the controllable silicon motor controlling unit by the singlechip, thereby not only realizing the stepless power and speed adjustment controlled by a heating element and the motor but also having simple circuit structure, low cost, high cost performance and higher safety and reliability compared with the prior art.
Description
Technical field
The utility model relates to a kind of SCM drive control device of full automatic soya-bean milk machine.
Background technology
SCM drive control device of full automatic soya-bean milk machine generally adopts the transless decompression rectification power circuit of being made up of jointly power transformer and full wave bridge rectifier that integrated logic gates is powered at present, drive relay switch by this integrated logic gates again and control heating and motor pulping process, circuit structure complexity not only, the manufacturing cost height; And owing to adopt relay switch to control when heating, heating power can only be accomplished total power or half-power, and generation is overflowed in that the general meeting of mashing off boiling stage power is bigger than normal, at this moment can only stop to add reheating after the hot standby liquid level falls after rise again, again can once more overflow and stop heating, so circulation thereafter.The actual alternating state that is in a kind of boiling and does not seethe with excitement when this makes and to boil soya-bean milk can not be realized the effect of the abundant decomposing protein of the continuous infusion of slow fire.And heater element power mashing off bigger than normal easily causes to be stuck with paste pipe and burns, harmful and easy cleaning not, and nominal power time that then preheats less than normal is long, causes wholely to do that to starch process time long.Simultaneously this mode also can shorten the relay mechanical electric life-span, and bad to the applicability of different electrical networks, becomes problem such as big along with there is heating power in the rising of line voltage.Equally,,, not only influence refining pulp quality, and be unfavorable for the startup of motor and close, burn out motor easily so motor speed is sometimes fast and sometimes slow owing to when adopting the relay switch drive motors, can't carry out speed governing to motor.
Summary of the invention
The utility model purpose is: provide a kind of and can realize the stepless power regulating speed governing to heating power and motor speed, and structure is simple relatively, cost is low, cost performance is high, has the SCM drive control device of full automatic soya-bean milk machine of greater security and reliability.
The technical solution of the utility model is: a kind of SCM drive control device of full automatic soya-bean milk machine, it comprises the single-chip microcomputer by transless decompression rectification power circuit supply, and adds thermal control units, controllable silicon motor control unit and sensing control unit by the controllable silicon that this single-chip microcomputer directly connects driving.
Controllable silicon described in the utility model adds thermal control units and comprises heating element heater, and can only adopt a controllable silicon that is connected on together in the ac power supply circuit with heating element heater that heating element heater is controlled, this silicon controlled control utmost point connects an I/O mouth of single-chip microcomputer.Same described controllable silicon motor control unit comprises motor, and also can only adopt a controllable silicon that is connected on together in the ac power supply circuit with motor that motor is controlled, and this silicon controlled control utmost point connects an I/O mouth of single-chip microcomputer.
In the utility model, it is to adopt controllable silicon tandem drive circuit that heating element heater is controlled that described controllable silicon adds the comparatively preferred form of thermal control units, described controllable silicon tandem drive circuit comprises that two are connected on master control controllable silicon in the ac power supply loop with heating element heater, and one the control utmost point connect the I/O mouth of single-chip microcomputer, and two main electrodes connect the prime controllable silicon of above-mentioned two master control SCR control utmost points respectively.
The comparatively preferred form of same described controllable silicon motor control unit also is to adopt controllable silicon tandem drive circuit that motor is controlled, described controllable silicon tandem drive circuit comprises that two the master control controllable silicons and control utmost points that are connected in the ac power supply loop with motor are connected the I/O mouth of single-chip microcomputer, and two main electrodes connect the prime controllable silicon of above-mentioned two master control SCR control utmost points respectively.
The decompression rectification power of transless described in the utility model circuit is resistance drop pressure type power circuit or resistance-capacitance depressurization formula power circuit.Certainly in order further to simplify circuit structure, save cost, the preferred resistance drop pressure type of transless decompression rectification power circuit power circuit in the utility model, and this resistance drop pressure type power circuit is by commutation diode, and Zener diode, filter capacitor and at least one dropping resistor are formed by connecting jointly; The negative pole of described commutation diode connects an input of AC power through dropping resistor, and the positive pole of commutation diode inserts an I/O mouth of single-chip microcomputer after the positive pole of Zener diode connects; Filter capacitor is connected in parallel on the Zener diode two ends, and inserts another I/O mouth of single-chip microcomputer behind another input of the negative pole of Zener diode connection AC power together.
Sensing control unit described in the utility model comprises temperature sensor, anti-overflow sensor and anti-dry sensor, and in order to have eliminated that the utility model does not adopt transformer in power circuit and the risk brought, all preferred passive alternating current isolation sensor of described temperature sensor, anti-overflow sensor and anti-dry sensor.Wherein said anti-overflow sensor specifically is formed by connecting by anti-flow electrode, transformer, divider resistance and halfwave rectifier filter circuit; Described anti-dry sensor then is formed by connecting by anti-dry heating electrode, transformer, divider resistance and halfwave rectifier filter circuit; Described temperature sensor then is formed by connecting by thermistor, transformer, divider resistance and integrated operational amplifier circuit.
The utility model advantage is:
1. the utility model SCM drive control device of full automatic soya-bean milk machine, because having adopted transless decompression rectification power circuit is the single-chip microcomputer power supply, and directly connect by single-chip microcomputer and to drive controllable silicon and add thermal control units and controllable silicon motor control unit, so compared to existing technology, circuit structure is simple, cost is low, the cost performance height.
2. the utility model SCM drive control device of full automatic soya-bean milk machine, owing to adopted controllable silicon to add thermal control units, the controllable silicon that this controllable silicon adds in the thermal control units can be adjusted the angle of flow by the single-chip microcomputer output signal, thereby realize the stepless regulated of heating power, especially can when boiling soya-bean milk, realize the continuous infusion of slow fire, the effect of abundant decomposing protein, and can not cause paste heating element heater and soya-bean milk to burn phenomenon.In same the utility model in the controllable silicon motor control unit, controllable silicon can be adjusted the angle of flow by the single-chip microcomputer output signal, thereby realizes the stepless speed regulation of motor, improves refining pulp quality, and " soft start " and " soft closing " that helps motor prolongs electrical machinery life.
3. in the utility model SCM drive control device of full automatic soya-bean milk machine, controllable silicon adds and has all adopted controllable silicon tandem drive circuit in thermal control units and the controllable silicon motor control unit, in this controllable silicon tandem drive circuit because two master control controllable silicons are connected in series, wherein any one is out of control or breakdown, still can realize the shutoff of circuit by the prime controllable silicon, improve safety in utilization greatly.
4. in the utility model SCM drive control device of full automatic soya-bean milk machine, three sensors of sensing control unit are owing to all adopted transformer that alternating current is isolated, itself is all not charged in when work to make these three sensing heads of anti-flow electrode, anti-dry heating electrode and thermistor, thereby eliminated that the utility model does not adopt transformer in power circuit and the risk brought has further improved Product Safety.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is the schematic diagram of utility model SCM drive control device of full automatic soya-bean milk machine.
The specific embodiment
Embodiment: combination Figure 1 shows that a kind of specific embodiment of the utility model SCM drive control device of full automatic soya-bean milk machine: it comprises AC power, resistance drop pressure type power circuit 21, single-chip microcomputer U1, adds thermal control units, motor control unit and sensing control unit 22.
Described AC power is the 220V civil power, the one input AC1 line of starting to exchange fire; And another input AC2 connecting to neutral line, current potential is 0V, also is earth terminal.And be connected with capacitor C 1 between the input AC1 of AC power described in the present embodiment and AC2.
Described resistance drop pressure type power circuit 21 is by two dropping resistor R1 and R2, commutation diode D1, and Zener diode DW1 and filter capacitor CD1 are formed by connecting jointly.The negative pole of described commutation diode D1 meets ac power input end AC1 through dropping resistor R1 and R2, and the positive pole of commutation diode D1 inserts the I/O mouth 1 of single-chip microcomputer after the positive pole connection of Zener diode DW1, as the positive pole of single-chip microcomputer dc power supply.Filter capacitor CD1 is connected in parallel on Zener diode DW1 two ends, and inserts the I/O mouth 20 of single-chip microcomputer behind the negative pole of the Zener diode DW1 connection ac power input end AC2 together, as the negative pole of single-chip microcomputer dc power supply.AC power provides the power supply of a 5V to use to single-chip microcomputer U1 through dropping resistor R1 and R2 step-down in the present embodiment after commutation diode D1 halfwave rectifier, Zener diode DW1 voltage stabilizing and the filter capacitor CD1 filtering.
Controllable silicon adds thermal control units and is made of the first controllable silicon tandem drive circuit and heating element heater R17, and heating element heater R17 equivalence in this electrical schematic diagram is a heating resistor.The described first controllable silicon tandem drive circuit is by two master control controllable silicon TR3 and TR1, a prime controllable silicon TR4, and resistance R 7, resistance R 8 constitute jointly; Wherein master control controllable silicon TR3 and TR1 are connected in series, it specifically is first main electrode that first main electrode of master control controllable silicon TR3 meets master control controllable silicon TR1, second main electrode of the controllable silicon of master control simultaneously TR3 meets ac power input end AC2, and second main electrode of master control controllable silicon TR1 connects the end of heating element heater R17, and another termination ac power input end AC1 of heating element heater R17.The I/O mouth 12 of single-chip microcomputer U1 connects the control utmost point of prime controllable silicon TR4 through resistance R 7, and second main electrode of prime controllable silicon TR4 connects the control utmost point of master control controllable silicon TR3, and first main electrode connects the control utmost point of master control controllable silicon TR1 through resistance R 8.
The operation principle of this first controllable silicon tandem drive circuit is as follows:
When the output voltage of the I/O of single-chip microcomputer U1 mouth 12 was 0V, TR1, TR3, TR4 closed.
When the output voltage of the I/O of single-chip microcomputer U1 mouth 12 be-during 5V, master control controllable silicon TR3 and prime controllable silicon TR4 open, and prime controllable silicon TR4 opens back formation TR1 control electrode current, make master control controllable silicon TR1 also open, thereby connect the ac power supply loop of heating element heater R17, make heating element heater R17 operate as normal.And controllable silicon TR1, TR3 and TR4 all can adjust the angle of flow by the single-chip microcomputer output signal, thereby realize the stepless regulated of heating power, especially can when boiling soya-bean milk, realize the continuous infusion of slow fire, the effect of abundant decomposing protein, and can not cause paste heating element heater and soya-bean milk to burn phenomenon.
Certainly use the first controllable silicon tandem drive circuit can also realize the twin-stage protection of heating element heater R17, specific as follows:
If establish master control controllable silicon TR3 (puncture) out of control, then when the output voltage of the I/O of single-chip microcomputer U1 mouth 12 is 0V, prime controllable silicon TR4 still can't conducting, makes that the control electrode current of master control controllable silicon TR1 is zero, and TR1 closes the ac power supply loop of heating element heater R17.
If establish master control controllable silicon TR1 (or puncture) out of control, then when the output voltage of the I/O of single-chip microcomputer U1 mouth 12 was 0V, then because the control electrode current of master control controllable silicon TR3 and prime controllable silicon TR4 is zero, both closed the ac power supply loop of heating element heater R17.
This shows and adopt the above-mentioned first controllable silicon tandem drive circuit, even some out of control or punctures among master control controllable silicon TR1 or the TR3, then when being 0V, the output voltage of the I/O of single-chip microcomputer U1 mouth 12 still can cut off the ac power supply loop of heating element heater R17, so can guarantee the job security and the reliability of this SCM drive control device of full automatic soya-bean milk machine.
The controllable silicon motor control unit is made of the second controllable silicon tandem drive circuit and motor, and the wherein said second controllable silicon tandem drive circuit is by two master control controllable silicon TR3 and TR2, a prime controllable silicon TR5, and resistance R 9, resistance R 10 constitute jointly; Wherein master control controllable silicon TR3 and TR2 are connected in series, it specifically is first main electrode that first main electrode of master control controllable silicon TR3 meets master control controllable silicon TR2, second main electrode of the controllable silicon of master control simultaneously TR3 meets ac power input end AC2, and second main electrode of master control controllable silicon TR2 connects an end of motor M 1, and the input AC1 of another termination AC power of motor M 1.The I/O mouth 19 of single-chip microcomputer U1 connects the control utmost point of prime controllable silicon TR5 through resistance R 9, and second main electrode of prime controllable silicon TR5 connects the control utmost point of master control controllable silicon TR3, and first main electrode connects the control utmost point of master control controllable silicon TR2 through resistance R 10.Same, controllable silicon TR2, TR3 and TR5 can adjust the angle of flow by the single-chip microcomputer output signal, thereby realize the stepless speed regulation of motor, improve refining pulp quality, and help " soft start " and " soft closing " of motor, prolong electrical machinery life.And the same twin-stage protection that can also realize motor M 1 of the described second controllable silicon tandem drive circuit with the first controllable silicon tandem drive circuit; guarantee the job security and the reliability of this SCM drive control device of full automatic soya-bean milk machine; much more no longer its concrete principle is stated with the first controllable silicon tandem drive circuit.
And the first controllable silicon tandem drive circuit described in the present embodiment and the second controllable silicon tandem drive circuit be a shared master control controllable silicon TR3 further; this master control controllable silicon TR3 is equivalent to the master switch of two-way controllable silicon tandem drive circuit; not only played the function that realizes heating element heater R17 and the protection of motor M 1 twin-stage simultaneously, also provided cost savings.
Described sensing control unit is made of jointly temperature sensor, anti-overflow sensor and anti-dry sensor.And described temperature sensor, anti-overflow sensor and anti-dry sensor are passive alternating current isolation sensor, and be specific as follows:
The main body of anti-overflow sensor is a transformer T1, this transformer T1 is made up of two intercouple related inductance coil L1 and L2, wherein the two ends of inductance coil L1 connect anti-flow electrode F, and the upper end of inductance coil L2 connects the I/O mouth 5 of single-chip microcomputer U1, the lower end is then through divider resistance R16 ground connection, and the halfwave rectifier filter circuit that the non-earth terminal of this divider resistance R16 then is formed by connecting jointly via commutation diode D2, load resistance R15 and filter capacitor C4 inserts the A/D input port 16 of single-chip microcomputer U1.
The operation principle of this anti-overflow sensor is as follows: the I/O mouth 5 of single-chip microcomputer U1 provides an AC signal in the loop of inductance coil L2 one end, and anti-flow electrode F can equivalence become to insert the impedance of inductance coil L1 one end, and this impedance will be reflected on the inductance coil L2.After utilizing fluid loop to form resistance, anti-flow electrode F make the impedance on the inductance coil L1 descend, the impedance that is reflected on the inductance coil L2 also descends thereupon, the signal drops that is embodied on the divider resistance R16 increases, and this signal drops is imported single-chip microcomputer U1 after rectification A/D input port 16 converts data signal to.
The main body of described anti-dry sensor is a transformer T2, this transformer T2 is made up of two intercouple related inductance coil L3 and L4, wherein the two ends of inductance coil L4 connect anti-dry heating electrode G, and the upper end of inductance coil L3 connects the I/O mouth 5 of single-chip microcomputer U1, the lower end is then through divider resistance R14 ground connection, and the halfwave rectifier filter circuit that the non-earth terminal of this divider resistance R14 then is formed by connecting jointly by commutation diode D3, load resistance R13 and filter capacitor C5 inserts the A/D input port 15 of single-chip microcomputer U1.
The operation principle of this anti-dry sensor is as follows: the I/O mouth 5 of single-chip microcomputer U1 provides an AC signal in the loop of inductance coil L3 one end, and anti-dry heating electrode G can equivalence become to insert the impedance of inductance coil L4 one end, and this impedance will be reflected on the inductance coil L3.After utilizing fluid loop to form resistance, anti-dry heating electrode G make the impedance on the inductance coil L4 descend, the impedance that is reflected on the inductance coil L3 also descends thereupon, the signal drops that is embodied on the divider resistance R14 increases, and this signal drops is imported single-chip microcomputer U1 after rectification A/D input port 15 converts data signal to.
The main body of described temperature sensor is a transformer T3, this transformer T2 is made up of two intercouple related inductance coil L5 and L6, wherein the two ends of inductance coil L6 connect thermistor H, and the upper end of inductance coil L5 connects the I/O mouth 5 of single-chip microcomputer U1, the lower end is then through a divider resistance R12 ground connection, and the operational amplification circuit that the non-earth terminal of this divider resistance R12 then is formed by connecting jointly via triode U2A, load resistance R11, commutation diode D4 and filter capacitor C6 inserts the A/D input port 14 of single-chip microcomputer U1.
The operation principle of this temperature sensor is as follows: the I/O mouth 5 of single-chip microcomputer U1 provides an AC signal in the loop of inductance coil L5 one end, and thermistor H can equivalence become to insert the impedance of inductance coil L4 one end, and this impedance will be reflected on the inductance coil L6.After the variation of fluid temperature causes the change in resistance of thermistor H, the impedance that is reflected on the inductance coil L6 also changes thereupon, the signal drops that is embodied on the divider resistance R12 changes thereupon, and this signal drops is imported single-chip microcomputer U1 after amplifying A/D input port 14 converts data signal to.
Compare traditional sensor, in the utility model because above-mentioned three sensors all exchange pressure drop signal by the inductance coil transmission of two couplings of transformer, alternating current is isolated, therefore itself is all not charged when work to make these three sensing heads of anti-flow electrode, anti-dry heating electrode and thermistor, eliminated that the utility model does not adopt transformer in power circuit and the risk brought has further improved Product Safety.
The course of work of the utility model SCM drive control device of full automatic soya-bean milk machine is, after connecting AC power, resistance drop pressure type power circuit 21 is powered to single-chip microcomputer U1, the anti-dry sensor is measured water level, and will record signal and add to single-chip microcomputer U1 through A/D input 16, if water level is normal, single-chip microcomputer U1 work on (if the undesired then single-chip microcomputer of water level U1 stop to send the follow-up work signal) then, the simultaneous temperature sensor is measured water temperature, if be lower than the standard-required temperature, then give signal of single-chip microcomputer U1 by A/D input port 14, and by single-chip microcomputer U1 I/O mouth 12 output one low level-5V drives master control controllable silicon TR1 and TR3 opens, connect the ac power supply loop of heating element heater R17.When the temperature heating reached standard-required, I/O mouth 19 output low levels-5V of single-chip microcomputer U1 drove master control controllable silicon TR3 and TR2 and opens, and connects motor M 1 and begins making beating.The I/O mouth 19 output high level 0V of single-chip microcomputer U1 after motor M 1 is worked time rating, the power supply circuits of motor M 1 are cut off, the anti-overflow sensor begins the sensed water level overflow signals then, and will record signal and add to single-chip microcomputer U1 through A/D input 15, if water level is overflow not, then the I/O mouth 12 of single-chip microcomputer U1 once more output low level-5V drive heating element heater R17 and soya-bean milk is heated boil, when soya-bean milk boil reach time rating after, the I/O mouth 12 of single-chip microcomputer U1 sends high level 0V, cuts off heating element heater R17 power supply.When soya-bean milk overflows in boiling part, flood sensor is if record the water level overflow signals, to send signal promotion single-chip microcomputer U1 output control signal control thyristor operating angle and reduce heating element heater R17 power output, but not close heating element heater fully, prevent to overflow, wait to overflow and stop the back and continue to improve the heating of heating element heater R17 power.
Certainly the utility model SCM drive control device of full automatic soya-bean milk machine is mainly implemented intelligent program control by the control program that is solidificated among the single-chip microcomputer U1 to the process of soya-bean milk when concrete work, water temperature and boiling time during the making beating of standard soya-bean milk make the good mouthfeel of quality of manufactured goods good.Be easy to for the person skilled of this area realize that the utility model no longer more to be stated as for the control program among the single-chip microcomputer U1.
Claims (11)
1. SCM drive control device of full automatic soya-bean milk machine, it is characterized in that it comprises single-chip microcomputer (U1) by transless decompression rectification power circuit supply, and directly connect the controllable silicon that drives by this single-chip microcomputer (U1) and add thermal control units, controllable silicon motor control unit and sensing control unit (22).
2. SCM drive control device of full automatic soya-bean milk machine according to claim 1, it is characterized in that described controllable silicon adds thermal control units and comprises a controllable silicon and heating element heater (R17), the same heating element heater of this controllable silicon (R17) is connected in the ac power supply circuit together, and its control utmost point connects an I/O mouth of single-chip microcomputer (U1).
3. the SCM drive control device of full automatic soya-bean milk machine of telling according to claim 1, it is characterized in that described controllable silicon motor control unit comprises a controllable silicon and motor (M1), the same motor of this controllable silicon (M1) is connected in the ac power supply circuit together, and its control utmost point connects an I/O mouth of single-chip microcomputer (U1).
4. SCM drive control device of full automatic soya-bean milk machine according to claim 1, it is characterized in that described controllable silicon adds thermal control units and comprises controllable silicon tandem drive circuit and heating element heater (R17), described controllable silicon tandem drive circuit comprises that two are connected on master control controllable silicon (TR1, TR3) in the ac power supply loop with heating element heater (R17), and the I/O mouth of a control utmost point connection single-chip microcomputer (U1), and two main electrodes connect the prime controllable silicon (TR4) that above-mentioned two master control controllable silicons (TR1, TR3) are controlled the utmost point respectively.
5. SCM drive control device of full automatic soya-bean milk machine according to claim 4, it is characterized in that described controllable silicon tandem drive circuit by two master control controllable silicons (TR3, TR1), a prime controllable silicon (TR4), resistance (R7), the common formation of resistance (R8); Wherein first main electrode of master control controllable silicon (TR3) connects first main electrode of master control controllable silicon (TR1), and second main electrode of master control controllable silicon (TR3) connects an input (AC2) of AC power, and second main electrode of master control controllable silicon (TR1) connects an end of heating element heater (R17), and another another input of termination AC power (AC1) of heating element heater (R17); An I/O mouth (12) of single-chip microcomputer (U1) connects the control utmost point of prime controllable silicon (TR4) through resistance (R7), second main electrode of prime controllable silicon (TR4) connects the control utmost point of master control controllable silicon (TR3), and first main electrode connects the control utmost point of master control controllable silicon (TR1) through resistance (R8).
6. SCM drive control device of full automatic soya-bean milk machine according to claim 1, it is characterized in that described controllable silicon motor control unit comprises controllable silicon tandem drive circuit and motor (M1), described controllable silicon tandem drive circuit comprises that two the master control controllable silicons (TR2, TR3) and control utmost points that are connected in the ac power supply loop with motor (M1) are connected the I/O mouth of single-chip microcomputer (U1), and two main electrodes connect the prime controllable silicon (TR5) that above-mentioned two master control controllable silicons (TR2, TR3) are controlled the utmost point respectively.
7. SCM drive control device of full automatic soya-bean milk machine according to claim 6, it is characterized in that described controllable silicon tandem drive circuit by two master control controllable silicons (TR3, TR2), a prime controllable silicon (TR5), resistance (R9), the common formation of resistance (R10); Wherein first main electrode of master control controllable silicon (TR3) connects first main electrode of master control controllable silicon (TR2), and second main electrode of master control controllable silicon (TR3) connects an input (AC2) of AC power, and second main electrode of master control controllable silicon (TR2) connects an end of motor (M1), and another input (AC1) of another termination AC power of motor (M1); An I/O mouth (19) of single-chip microcomputer (U1) connects the control utmost point of prime controllable silicon (TR5) through resistance (R9), second main electrode of prime controllable silicon TR5 connects the control utmost point of master control controllable silicon (TR3), and first main electrode connects the control utmost point of master control controllable silicon (TR2) through resistance (R10).
8. SCM drive control device of full automatic soya-bean milk machine according to claim 1 is characterized in that described transless decompression rectification power circuit is resistance drop pressure type power circuit (21) or resistance-capacitance depressurization formula power circuit.
9. SCM drive control device of full automatic soya-bean milk machine according to claim 8, it is characterized in that described transless decompression rectification power circuit is a resistance drop pressure type power circuit (21), this resistance drop pressure type power circuit (21) is by commutation diode (D1), and Zener diode (DW1), filter capacitor (CD1) and at least one dropping resistor are formed by connecting jointly; The negative pole of described commutation diode (D1) connects the input (AC1) of AC power through dropping resistor, and the positive pole of commutation diode (D1) inserts an I/O mouth (1) of single-chip microcomputer (U1) after the positive pole of Zener diode (DW1) connects; Filter capacitor (CD1) is connected in parallel on Zener diode (DW1) two ends, and inserts another I/O mouth (20) of single-chip microcomputer (U1) behind another input (AC2) of the negative pole of Zener diode (DW1) connection AC power together.
10. SCM drive control device of full automatic soya-bean milk machine according to claim 1 is characterized in that described sensing control unit (22) comprises temperature sensor, anti-overflow sensor and anti-dry sensor; And described temperature sensor, anti-overflow sensor and anti-dry sensor are passive alternating current isolation sensor.
11. SCM drive control device of full automatic soya-bean milk machine according to claim 10 is characterized in that described anti-overflow sensor is formed by connecting by anti-flow electrode (F), transformer (T1), divider resistance (R16) and halfwave rectifier filter circuit; Described anti-dry sensor then is formed by connecting by anti-dry heating electrode (G), transformer (T2), divider resistance (R14) and halfwave rectifier filter circuit; Described temperature sensor then is formed by connecting by thermistor (H), transformer (T3), divider resistance (R12) and integrated operational amplifier circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820041797XU CN201256884Y (en) | 2008-09-03 | 2008-09-03 | Single-chip microcomputer drive control device of full automatic soya-bean making device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820041797XU CN201256884Y (en) | 2008-09-03 | 2008-09-03 | Single-chip microcomputer drive control device of full automatic soya-bean making device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201256884Y true CN201256884Y (en) | 2009-06-17 |
Family
ID=40771113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820041797XU Expired - Lifetime CN201256884Y (en) | 2008-09-03 | 2008-09-03 | Single-chip microcomputer drive control device of full automatic soya-bean making device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201256884Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103960978A (en) * | 2014-04-24 | 2014-08-06 | 广东美的生活电器制造有限公司 | Soybean milk machine |
-
2008
- 2008-09-03 CN CNU200820041797XU patent/CN201256884Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103960978A (en) * | 2014-04-24 | 2014-08-06 | 广东美的生活电器制造有限公司 | Soybean milk machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101366484A (en) | Soy milk preparation method and fuzzy control electrical heating full automatic soyabean milk machine | |
| CN102160575B (en) | Electric-heating full-automatic soybean milk machine with fuzzy control | |
| WO2018090833A1 (en) | Rapid water-heating apparatus dry burning prevention structure and control method thereof | |
| CN209187820U (en) | A kind of ventilator and its humidifying heating device | |
| CN107101360A (en) | A kind of hot water cyclesystem and control method with self power generation | |
| CN201340532Y (en) | Control circuit of automobile soymilk maker | |
| CN201293934Y (en) | Control circuit for household intelligent soya-bean milk machine | |
| CN105698368B (en) | A kind of boiler and its control method | |
| CN201256884Y (en) | Single-chip microcomputer drive control device of full automatic soya-bean making device | |
| CN206137902U (en) | Electric kettle | |
| CN101377661A (en) | SCM drive control device of full automatic soya-bean milk machine | |
| CN101375770B (en) | Passive isolating and sensing device of full automatic soyabean milk machine | |
| CN201259619Y (en) | Fuzzy control heating device for full automatic soy bean milk making machine | |
| CN201093700Y (en) | Electric water heater with automatic speed changing capacity adding device | |
| CN101377662B (en) | Fuzzy control heating apparatus of full automatic soya-bean milk machine | |
| CN201382580Y (en) | Body-induction novel energy-saving automatic electric water boiler | |
| CN206453688U (en) | Rapid water heating device | |
| CN201528313U (en) | Speed regulating circuit with variable frequency and variable pulse width of AC series motor as well as soy-bean milk machine | |
| CN201256883Y (en) | Passive isolation sensing device of full automatic soya-bean making device | |
| CN205750581U (en) | A kind of water warming blanket main frame potentiometer temperature-control circuit | |
| CN201477454U (en) | Microcomputer electric kettle control panel | |
| CN2901163Y (en) | Dynamic constant temperature and constant pressure electric water heater controller | |
| CN206453675U (en) | The Anti-overheating structure of rapid water heating device | |
| CN205119442U (en) | Export hydrothermal ultra -thin energy -saving electric water heater fast | |
| CN201311571Y (en) | Fuzzy control circuit of household soymilk machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: KINGCLEAN ELECTRIC CO., LTD. Free format text: FORMER NAME: KINGCLEAN ELECTRIC CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 215009 Xiangyang Road, New District, Jiangsu, Suzhou, No. 1 Patentee after: Lexy Electric Co., Ltd. Address before: 215009 Xiangyang Road, New District, Jiangsu, Suzhou, No. 1 Patentee before: Kingclean Floorcare Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090617 |
|
| CX01 | Expiry of patent term |