CN101843442B - Anti-dry heating soymilk machine and anhydrous anti-dry heating detecting method - Google Patents
Anti-dry heating soymilk machine and anhydrous anti-dry heating detecting method Download PDFInfo
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- CN101843442B CN101843442B CN2010101635051A CN201010163505A CN101843442B CN 101843442 B CN101843442 B CN 101843442B CN 2010101635051 A CN2010101635051 A CN 2010101635051A CN 201010163505 A CN201010163505 A CN 201010163505A CN 101843442 B CN101843442 B CN 101843442B
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- anhydrous
- dry
- making machine
- bean milk
- soy bean
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 title abstract 6
- 235000013322 soy milk Nutrition 0.000 title abstract 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 235000010469 Glycine max Nutrition 0.000 claims description 38
- 244000068988 Glycine max Species 0.000 claims description 38
- 238000001514 detection method Methods 0.000 claims description 38
- 239000008267 milk Substances 0.000 claims description 38
- 210000004080 milk Anatomy 0.000 claims description 38
- 235000013336 milk Nutrition 0.000 claims description 38
- 239000003990 capacitor Substances 0.000 claims description 14
- 238000004537 pulping Methods 0.000 claims description 10
- 230000007812 deficiency Effects 0.000 abstract description 2
- 238000009841 combustion method Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
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Abstract
The invention relates to an anti-dry heating soymilk machine and an anhydrous anti-dry heating detecting method, and the anti-dry heating soymilk machine comprises a water level detecting device, a main control chip and a peripheral hardware circuit thereof, wherein the peripheral hardware circuit comprises an anhydrous detecting circuit, and the anhydrous detecting circuit is connected with the water level detecting device, is used for detecting whether water exists in the cup body of the soymilk machine or not, and is characterized in that a fault detecting circuit is also connected in series between the anhydrous detecting circuit and the I/O port of the main control chip. By aiming at the deficiency of the prior art, the invention provides a safe soymilk machine and an anhydrous anti-dry heating detecting method, and the soymilk machine can accurately and reliably detect the faults of a water level detecting circuit and the water level detecting device and ensures the reliability of water level signals input to the main control chip.
Description
Technical field
The present invention relates to a kind of soy bean milk making machine and anhydrous safety detection method, relate in particular to the detection method of a kind of anti-dry soy bean milk making machine and anhydrous anti-dry.
Background technology
Most of soy bean milk making machine is to realize the anti-dry function of soy bean milk making machine through condensate tank of dehumidifier is set on the market; Consider that possibly there is the situation of inefficacy in condensate tank of dehumidifier; The utility model patent that Chinese patent 200620055648.X, name are called " a kind of full-automatic soybean milk machine " has announced and a kind ofly has been connected with the technical scheme of electric resistance RT at the excessive low water level protection electrode that this technical scheme can realize the anti-dry protection through the temperature that detects cup under the situation of excessive low water level protection electrode failure.The protection scheme of prior art has postposition property; Will be after a period of time appears in dry-fire condition; Could realize protection under the situation that the cup temperature obviously rises; And the accessory of some heat resistance differences possibly cause irreversible damage in this moment soy bean milk making machine, even causes security incident to occur, and the user is sustained a loss.
Summary of the invention
The present invention is directed to the deficiency of prior art, a kind of safe soy bean milk making machine and anhydrous anti-dry detection method are provided, this soy bean milk making machine is the fault of sensed water level testing circuit and condensate tank of dehumidifier accurately and reliably.
The technical scheme that the present invention adopts is:
A kind of anti-dry soy bean milk making machine; Comprise condensate tank of dehumidifier, main control chip and peripheral hardware circuit thereof; Said peripheral hardware circuit comprises anhydrous testing circuit; Said anhydrous testing circuit is connected with condensate tank of dehumidifier, in order to detect in the soy bean milk making machine cup whether water is arranged, it is characterized in that: between the I/O of anhydrous testing circuit and main control chip mouth, also be in series with failure detector circuit.
Said failure detector circuit comprises the fault detect resistance R
3, said fault detect resistance R
3The I/O mouth of one termination and main control chip, the anhydrous testing circuit of another termination.
Said anhydrous testing circuit comprises filter capacitor C
1, pull-up resistor R
1With current-limiting resistance R
2, condensate tank of dehumidifier and filter capacitor C
1Parallel connection, filter capacitor C
1One end ground connection, the other end and pull-up resistor R
1An end, current-limiting resistance R
2An end connect pull-up resistor R
1The other end be connected current-limiting resistance R with power Vcc
2The other end be connected with main control chip.
The water level resistance of said condensate tank of dehumidifier is Rx.
A kind of anhydrous anti-dry detection method of anti-dry soy bean milk making machine is:
Detect simultaneously through anhydrous testing circuit and failure detector circuit in the cup of soy bean milk making machine whether water is arranged, all for water is arranged, then normally get into pulping program, otherwise report to the police like the two-way testing result.
After said detection step, also be provided with the condensate tank of dehumidifier detection step of short circuit whether over the ground, short circuit is then reported to the police over the ground, normally then gets into pulping program.
Said anhydrous anti-dry detection method is arranged on before the normal pulping program of soy bean milk making machine.
The detection method of said anhydrous anti-dry can be provided with in the pulping process of said soy bean milk making machine, and every separated t carries out once anhydrous anti-dry detection second, finishes said time t >=30 seconds until slurrying.
The detection method of said anhydrous anti-dry also can be provided with in the pulping process of said soy bean milk making machine, and anhydrous anti-dry detects and carries out n time, until the slurrying end, and said n >=1 time.
The anhydrous anti-dry detection method of another kind of anti-dry soy bean milk making machine is:
1) in the cup of condensate tank of dehumidifier detection soy bean milk making machine whether water is arranged, anhydrous then warning normally then gets into next step; 2) sensed water level pick-up unit short circuit whether over the ground, short circuit is then reported to the police over the ground, normally then gets into next step; 3) whether the water level resistance R x of sensed water level pick-up unit is normal, and undesired then warning normally then gets into next step; 4) whether the anhydrous testing circuit of detection is normal; Fault is then reported to the police, and normally then gets into next step; 5) launch anhydrous testing circuit and condensate tank of dehumidifier work;
Performing step 3) method of the anhydrous testing circuit of detection is: a) sensed water level pick-up unit and filter capacitor C
1Short circuit whether over the ground, short circuit is then reported to the police over the ground, normally then gets into next step; B) detect power Vcc and pull-up resistor circuit R
1Whether intact, fault is then reported to the police, and normally then gets into next step.
The invention has the beneficial effects as follows:
The present invention has realized anhydrous reliable detection through the failure detector circuit of introducing condensate tank of dehumidifier and anhydrous testing circuit.The failure detector circuit owing between the I/O mouth of condensate tank of dehumidifier and main control chip, connected, said failure detector circuit comprises the fault detect resistance R
3, can judge have under the situation of water at condensate tank of dehumidifier, combine further to judge condensate tank of dehumidifier and the filter capacitor C parallelly connected through failure detector circuit, main control chip, anhydrous testing circuit with it
1Whether over the ground short circuit, power Vcc and pull-up resistor R
1Whether circuit is intact, whether the water level resistance R x resistance of condensate tank of dehumidifier in range of normal value; Then starting warning device like anhydrous testing circuit fault reports to the police; Normal like anhydrous testing circuit; Guaranteed that then the water signal that has that main control chip obtains is reliably, avoided the anhydrous dry combustion method phenomenon that has the water signal to cause because of insecure, thereby avoided the potential safety hazard that causes thus.Adopt the anhydrous testing circuit of soy bean milk making machine of scheme according to the invention and anhydrous anti-dry detection method is safer, reliability is higher.
Description of drawings
Below in conjunction with accompanying drawing and specific embodiment the present invention is elaborated:
Fig. 1 is the synoptic diagram of anhydrous testing circuit of soy bean milk making machine and failure detector circuit.
The parts and the circuit that have nothing to do with the present invention have been omitted in the accompanying drawing.
Embodiment
Embodiment as anti-dry soy bean milk making machine according to the invention; As shown in Figure 1; Comprise condensate tank of dehumidifier, main control chip and peripheral hardware circuit thereof, said peripheral hardware circuit comprises anhydrous testing circuit, and said anhydrous testing circuit is connected with condensate tank of dehumidifier; In order to detect in the soy bean milk making machine cup whether water is arranged, between the I/O of anhydrous testing circuit and main control chip mouth, also be in series with failure detector circuit.In the present embodiment, said failure detector circuit comprises the fault detect resistance R
3, said fault detect resistance R
3One end is that pin one 0 is connected with the I/O mouth of main control chip, the anhydrous testing circuit of another termination.
In the present embodiment, said anhydrous testing circuit comprises filter capacitor C
1, pull-up resistor R
1With current-limiting resistance R
2, the water level resistance of said condensate tank of dehumidifier is Rx, condensate tank of dehumidifier and filter capacitor C
1Parallel connection, filter capacitor one end ground connection, the other end and pull-up resistor R
1An end, current-limiting resistance R
2An end and fault detect resistance R
3The other end connect pull-up resistor R
1The other end be connected current-limiting resistance R with power Vcc
2The other end be connected with the pin one 1 of main control chip.Condensate tank of dehumidifier in the present embodiment is a level electrode, and said main control chip is a single-chip microcomputer.
Before above-mentioned anti-dry soy bean milk making machine is carried out normal pulping program, to carry out anhydrous anti-dry earlier and detect, a kind of concrete steps of detection method are following:
Whether water is arranged: the value that detects main control chip pin one 1 that is connected with anhydrous testing circuit and the main control chip pin one 0 that is connected with failure detector circuit simultaneously in the cup of detection soy bean milk making machine; If detected value is all in the scope of the value that water is arranged; Then judge water is arranged; The normal pulping program that gets into, otherwise report to the police.
Whether over the ground the condensate tank of dehumidifier detection step of short circuit can also be set: detect the value of the main control chip pin one 1 that is connected with anhydrous testing circuit,, then normally get into pulping program, otherwise short circuit is reported to the police then over the ground if detected value is non-vanishing after above-mentioned detection step.
The concrete steps of another kind of detection method are following:
Whether 1) condensate tank of dehumidifier detects has water in the soy bean milk making machine: main control chip is set to input or high-impedance state with I/O interface pin 10; Detect the value of main control chip pin one 1; If detected value is in the scope of the value that water is arranged; Then judging has water, gets into next step, otherwise carries out fault alarm and stop slurrying;
2) the filter capacitor C in sensed water level pick-up unit and the anhydrous testing circuit
1Whether over the ground short circuit: main control chip is set to input or high-impedance state with I/O interface pin 10; Detect the value of main control chip pin one 1; If detected value is non-vanishing; Then normally then get into next step, otherwise condensate tank of dehumidifier and/or filter capacitor short circuit over the ground then carries out fault alarm and stops slurrying;
3) detect power supply V
CCAnd pull-up resistor R
1Whether circuit is normal: main control chip detects the value of main control chip pin one 1 with I/O interface pin 10 output low levels, if detected value is pull-up resistor R
1With the fault detect resistance R
3Series connection is to power supply V
CCCurrent-limiting resistance R after the dividing potential drop
2Whether the magnitude of voltage of getting is normal, normally gets into next step, and fault is then carried out fault alarm and stopped slurrying;
4) sensed water level pick-up unit R
XResistance whether normal: main control chip detects the value of main control chip pin one 1 with I/O interface pin 10 output high level, if detected value is a high level, then normally gets into next step, and fault is fault alarm and stop slurrying then;
5) launch anhydrous testing circuit and condensate tank of dehumidifier work.
The fault detect resistance R owing between the I/O mouth of condensate tank of dehumidifier and main control chip, connected
3, can judge have under the situation of water at condensate tank of dehumidifier, through main control chip control and fault detect resistance R
3The different level value of I/O mouth output that connects detects the input value of the main control chip pin one 1 that is connected with anhydrous testing circuit; Judge further whether condensate tank of dehumidifier and anhydrous testing circuit be normal; And whether the water level resistance R x resistance of condensate tank of dehumidifier is in range of normal value; Then start warning device like anhydrous testing circuit fault and report to the police, normal like anhydrous testing circuit, guaranteed that then the water signal that has that main control chip obtains is reliable; Avoid the anhydrous dry combustion method phenomenon that has the water signal to cause because of insecure, thereby avoided the potential safety hazard that causes thus.
In the present embodiment, in the normal pulping process, also be provided with anhydrous anti-dry and detect step; In the pulping process, every separated t carries out once anhydrous anti-dry detection second, finishes until slurrying; Said time t is 30 seconds; So that in time monitor the water level abnormality situation in the pulping process, avoided in the pulping process because of insecure anhydrous dry combustion method phenomenon that has the water signal to cause, thereby avoided the potential safety hazard that causes thus.
Those skilled in the art are appreciated that in pulping process, can carry out anhydrous anti-dry and detect n time, and finish until slurrying said n >=1 time; Said condensate tank of dehumidifier also can adopt the multiple spot detection architecture by a plurality of resistance series connection level electrodes: as said resistance can be built in this level electrode in; Said resistance also can be arranged on the circuit control panel of soy bean milk making machine and with this level electrode and connect.This non-substantial change of the present invention also within protection scope of the present invention, is given an example here no longer one by one.
The present invention is not limited to the foregoing description, and the pulping process that does not exceed this paper content and spirit all should be thought to drop within protection scope of the present invention.
Claims (9)
1. anti-dry soy bean milk making machine; Comprise condensate tank of dehumidifier, main control chip and peripheral hardware circuit thereof; Said peripheral hardware circuit comprises anhydrous testing circuit, and said anhydrous testing circuit is connected with condensate tank of dehumidifier, in order to detect in the soy bean milk making machine cup whether water is arranged; It is characterized in that: between the I/O of anhydrous testing circuit and main control chip mouth, also be in series with failure detector circuit, said failure detector circuit comprises the fault detect resistance R
3, said fault detect resistance R
3The I/O mouth of one termination main control chip, the anhydrous testing circuit of another termination.
2. anti-dry soy bean milk making machine according to claim 1 is characterized in that said anhydrous testing circuit comprises filter capacitor C
1, pull-up resistor R
1With current-limiting resistance R
2, the water level resistance of said condensate tank of dehumidifier is Rx, said condensate tank of dehumidifier and filter capacitor C
1Parallel connection, filter capacitor C
1One end ground connection, the other end and pull-up resistor R
1An end, current-limiting resistance R
2An end and fault detect resistance R
3The other end connect pull-up resistor R
1The other end be connected current-limiting resistance R with power Vcc
2The other end be connected with main control chip.
3. anhydrous anti-dry detection method like claim 1 or 2 said anti-dry soy bean milk making machine; It is characterized in that: detect simultaneously through anhydrous testing circuit and failure detector circuit in the cup of soy bean milk making machine whether water is arranged; Like the two-way testing result all for water is arranged; Then normally get into pulping program, otherwise report to the police.
4. according to the anhydrous anti-dry detection method of the said anti-dry soy bean milk making machine of claim 3, it is characterized in that after said detection step, also being provided with the condensate tank of dehumidifier detection step of short circuit whether over the ground, short circuit is then reported to the police over the ground, normally then gets into pulping program.
5. anhydrous anti-dry detection method according to claim 3 is characterized in that said anhydrous anti-dry detection method is arranged on before the normal pulping program of soy bean milk making machine.
6. anhydrous anti-dry detection method according to claim 3 is characterized in that in the pulping process of said soy bean milk making machine, and every separated t carries out once anhydrous anti-dry detection second, and wherein finish until slurrying t >=30.
7. anhydrous anti-dry detection method according to claim 3 is characterized in that in the pulping process of said soy bean milk making machine, and anhydrous anti-dry detects and carries out n time, and wherein finish until slurrying n >=1.
8. anhydrous anti-dry detection method like claim 1 or 2 said anti-dry soy bean milk making machine is characterized in that:
1) in the cup of condensate tank of dehumidifier detection soy bean milk making machine whether water is arranged, anhydrous then warning normally then gets into next step;
2) sensed water level pick-up unit short circuit whether over the ground, short circuit is then reported to the police over the ground, normally then gets into next step;
3) whether the water level resistance of sensed water level pick-up unit is normal, and undesired then warning normally then gets into next step;
4) whether the anhydrous testing circuit of detection is normal; Fault is then reported to the police, and normally then gets into next step;
5) launch anhydrous testing circuit and condensate tank of dehumidifier work.
9. the anhydrous anti-dry detection method of said according to Claim 8 anti-dry soy bean milk making machine is characterized in that the method that detects anhydrous testing circuit in the step 4) is:
A), first detection filter capacitor C
1Short circuit whether over the ground, short circuit is then reported to the police over the ground, normally then gets into next step;
B), detect power Vcc and pull-up resistor circuit R
1Whether intact, fault is then reported to the police, and normally then gets into next step.
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CN102062626B (en) * | 2010-11-05 | 2012-08-22 | 美的集团有限公司 | Dry combustion detection method of soybean milk machine |
CN106546301A (en) * | 2017-01-19 | 2017-03-29 | 吉林省水土保持科学研究院 | Modular electrode level chi |
CN107374407B (en) * | 2017-08-21 | 2020-10-27 | 九阳股份有限公司 | Control method of soybean milk machine |
CN112754323A (en) * | 2019-10-21 | 2021-05-07 | 九阳股份有限公司 | Food processing machine and waterless detection method of food processing machine |
CN111157816A (en) * | 2019-12-31 | 2020-05-15 | 宁波奥克斯电气股份有限公司 | Failure detection method and device for water inlet valve and steam box |
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KR20030091880A (en) * | 2003-11-11 | 2003-12-03 | 구정조 | Water Level Sensor Device |
CN101229018A (en) * | 2007-01-22 | 2008-07-30 | 李茂环 | Control unit of drinking water dispensers |
CN201364481Y (en) * | 2009-01-05 | 2009-12-16 | 李学滨 | Fully-automatic multifunctional controller for soymilk maker |
CN201402392Y (en) * | 2009-04-08 | 2010-02-10 | 田溢 | Integration control chip of soybean milk maker and applied control circuit thereof |
CN201402968Y (en) * | 2009-04-29 | 2010-02-10 | 九阳股份有限公司 | Pulping circuit of soymilk maker |
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Address after: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee after: JOYOUNG Co.,Ltd. Country or region after: China Address before: Xinsha Road, Huaiyin District of Ji'nan city of Shandong Province, No. 12 250118 Patentee before: JOYOUNG Co.,Ltd. Country or region before: China |