CN206331280U - A kind of steam clean calandria frequency-converting control device - Google Patents
A kind of steam clean calandria frequency-converting control device Download PDFInfo
- Publication number
- CN206331280U CN206331280U CN201720014901.5U CN201720014901U CN206331280U CN 206331280 U CN206331280 U CN 206331280U CN 201720014901 U CN201720014901 U CN 201720014901U CN 206331280 U CN206331280 U CN 206331280U
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- China
- Prior art keywords
- calandria
- microprocessor
- frequency
- circuit
- temperature
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000004891 communication Methods 0.000 claims abstract description 6
- 101100365087 Arabidopsis thaliana SCRA gene Proteins 0.000 claims description 9
- 101150105073 SCR1 gene Proteins 0.000 claims description 9
- 101100134054 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) NTG1 gene Proteins 0.000 claims description 9
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 8
- 238000011010 flushing procedure Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model is related to a kind of steam clean calandria frequency-converting control device, belongs to the technical field using cleaning liquid.Which solve vapor (steam) temperature change that existing household appliances automatic flushing device is present greatly, steam stable difference the problems such as.The utility model includes power supply modulate circuit, water pump control circuit, calandria the control circuit being connected with microprocessor, and microprocessor is connected by serial communication with original home wiring control mainboard；Also include the temperature sensor being connected by temperature collection circuit with microprocessor.The calandria surface temperature signal converted electrical number collected is given microprocessor by the utility model by temperature collection circuit, control key parameter is used as by temperature value, discharge of pump is controlled by water pump control circuit, original fixed-frequency control is changed to VFC, and coordinates control calandria break-make to realize closed-loop control.The utility model only needs power line, the signal wire can be connected with original home wiring control mainboard, and assembling is simple, excellent working performance.
Description
Technical field
The utility model is related to a kind of steam clean calandria frequency-converting control device, belongs to and is led using the technology of cleaning liquid
Domain.
Background technology
It is increasingly vigorous to the sterilization of household electrical appliances cleaning inside in order to meet user as household electrical appliance function quickly updates
Demand, household appliances automatic flushing device is developed rapidly.But current cleaning device is to rely on to be attached to calandria surface
Physical temperature switch control vapor (steam) temperature, water pump is quantitatively intake, and with spraying, vapor (steam) temperature fluctuation is big, quantity of steam is uncontrollable, wave
The shortcomings of water wasting, and temperature switch frequently turns off closure service life and do not grow and there is potential safety hazard.
Current domestic such as Haier of major household appliances manufacturers, beautiful, Europe group release the oil smoke with automatic cleaning function
Machine, micro-wave oven, and substantial amounts of manpower and materials are put on supporting research and development control device for calandria, but in the stabilization of system
Property, still fail to realize in automatic steam control effect and cleaning efficiency and break through.
Major part carries the electrical equipment of steam clean function in the market, and its supporting steam calandria is individual,
Original electronic section is by controlling calandria power supply start and stop steam clean, i.e.,：User is after steam clean is started, on calandria
Electricity, water pump is intake according to firm discharge, because the larger temperature of calandria power constantly rises, steam is sprayed afterwards, is treated in temperature
It is raised to after certain value, the recoverable temperature switch on calandria surface is disconnected, and calandria is stopped power supply, and now water pump is still intake,
Heating temperature is reduced to after certain value, temperature switch closure, continues to heat.Disconnected by temperature switch, close and realize temperature control
System.Due to the physical temperature switch time delay characteristic of use, this scheme calandria temperature change is big, causes the vapor (steam) temperature sprayed to become
Change big, steam stable poor, and water consumption otherness is big, and cleaning performance can not be ensured.
Utility model content
The purpose of this utility model is the drawbacks described above for overcoming existing household appliances automatic flushing device to exist, it is proposed that one
Steam clean calandria frequency-converting control device is planted, by supporting calandria, independent steam clean unit is combined as, in original heating
Increase temperature sensor on the basis of body, gather calandria surface temperature, temperature value controls water pump water outlet as control key parameter
Amount, coordinates control calandria break-make to realize full closed loop control, original fixed-frequency control is changed into VFC；Only need power line, letter
Number line can be connected with original home wiring control mainboard, and assembling is simple, excellent working performance.
The utility model is realized using following technical scheme：A kind of steam clean calandria frequency-converting control device,
Power supply modulate circuit, water pump control circuit, calandria including being connected with microprocessor control circuit, and microprocessor passes through string
Port communications are connected with original home wiring control mainboard；Also include the TEMP being connected by temperature collection circuit with microprocessor
Device.
Further, microprocessor uses STM8S103 single-chip microcomputers.
Further, power supply modulate circuit includes AC-DC change-over circuits and DC-DC change-over circuits, and AC-DC change-over circuits are adopted
With the input and original household electrical appliances of power switch chip SM7055-12, the AC-DC change-over circuit of current mode PWM control mode
The power supply connection of control mainboard, and export+12V DC voltage and give DC-DC change-over circuits；DC-DC change-over circuits use three ends
Voltage-stabilized power supply adjuster, it inputs+the 12V of termination AC-DC change-over circuits road output DC voltage, output end output+5V's
DC voltage is to microprocessor.
Further, temperature collection circuit connects calandria by temperature sensor, and its temperature signal gathered is by resistance
Microprocessor is transferred to after capacitor filter.
Further, water pump control circuit include current-limiting resistance R9 connected according to this, triode Q2, resistance R7, it is two-way can
Silicon SCR1 and diode D2 is controlled, microprocessor controls two-way controllable by output pwm signal through current-limiting resistance R9 to triode Q2
Silicon SCR1 conducting.
Further, bidirectional triode thyristor SCR1 uses MAC97A6.
Further, calandria control circuit includes current-limiting resistance R2, triode Q1, diode D1 and electromagnetic relay
RY1, current-limiting resistance R2 is connected with triode Q1 base stage, and triode Q1 colelctor electrode passes through diode D1 and electromagnetic relay
RY1 is connected with+12V the DC voltages that AC-DC change-over circuits are exported.
Further, electromagnetic relay RY1 uses HF62F-012-1HT relays.
The beneficial effects of the utility model are：
(1) a kind of steam clean calandria frequency-converting control device described in the utility model, by original calandria base
Increase temperature sensor on plinth, and by temperature collection circuit by the calandria surface temperature signal converted electrical number collected to
Microprocessor, water pump control circuit control discharge of pump, is used as control key parameter by temperature value, controls water pump water outlet
Amount, is changed to VFC, and coordinate control calandria break-make to realize full closed loop control by original fixed-frequency control；
(2) a kind of steam clean calandria frequency-converting control device described in the utility model, the utility model will can steam
In the range of stripping temperature control design temperature, while ensureing quantity of steam stable and continuous；
(3) a kind of steam clean calandria frequency-converting control device described in the utility model, circuit is simple, low in energy consumption, peace
It is complete reliable, only need power line, signal wire to be connected with original home wiring control mainboard, assembling is simple, excellent working performance.
Brief description of the drawings
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is flow chart of the present utility model.
Fig. 3 is the circuit diagram of microprocessor.
Fig. 4 is the circuit diagram of AC-DC change-over circuits.
Fig. 5 is the circuit diagram of DC-DC change-over circuits
Fig. 6 is the circuit diagram of temperature collection circuit.
Fig. 7 is the circuit diagram of water pump control circuit.
Fig. 8 is the circuit diagram that calandria controls circuit.
In figure：1st, power supply modulate circuit；2nd, microprocessor；3rd, water pump control circuit；4th, calandria control circuit；5th, temperature
Sensor；6th, temperature collection circuit；7th, serial communication.
Embodiment
It is below in conjunction with the accompanying drawings and instantiation, right to make the purpose of this utility model, technical scheme and advantage clearer
The utility model proposes a kind of steam clean calandria frequency-converting control device be further described.
A kind of steam clean calandria frequency-converting control device described in the utility model, including be connected with microprocessor 2
Power supply modulate circuit 1, water pump control circuit 3, calandria control circuit 4, microprocessor 2 passes through serial communication 7 and original family
Electric control mainboard is communicated；Also include the temperature sensor 5 being connected by temperature collection circuit 6 with microprocessor 2.Microprocessor
Device 2 is responsible for cooperateing with each functional module, mainly includes power supply modulate circuit 1, temperature collection circuit 6, the and of water pump control circuit 3
Calandria controls circuit 4.
Alternating voltage is converted to DC voltage and controls circuit for water pump control circuit 3, calandria by power supply modulate circuit 1
4th, temperature collection circuit 6 and microprocessor 2 provide electric energy.
Microprocessor 2 uses STM8S103 single-chip microcomputers, and its PD2/Temp input is connected to temperature collection circuit 6, gathers
Temperature signal analog quantity, PA3/ZERO inputs are connected to power supply modulate circuit 1, input zero passage detection signal；PC6/HOT is exported
End is connected to calandria control circuit 4, output signal control calandria；PC3/PUMP output ends are connected to water pump control circuit 3,
Output pwm signal controls the break-make of water pump, by changing PWM duty cycle so as to reach that water pump frequency modulation effect changes inflow.
Power supply modulate circuit 1 includes AC-DC change-over circuits and DC-DC change-over circuits, and AC-DC change-over circuits use current-mode
The power switch chip SM7055-12 of formula PWM control modes, it has been internally integrated high-voltage starting circuit and high-voltage power pipe, 85
~265VAC Width funtion input, and with the perfect defencive function, AC-DC change-over circuits such as excess temperature, excessively stream, overvoltage, under-voltage
Input be connected with the power supply of original home wiring control mainboard, and export+12V DC voltage, load capacity reaches 150mA,
+ the 12V exported DC voltage gives DC-DC change-over circuits, AC-DC change-over circuits output zero passage detection signal, and passes through PA3/
ZERO ports send microprocessor 2 to；DC-DC change-over circuits use three-terminal voltage-stabilizing feed regulator isolator, and it inputs termination AC-DC and turned
+ the 12V of circuit road output DC voltage is changed, output end exports+5V DC voltage to microprocessor 2, temperature collection circuit 6
Power supply is provided, three-terminal voltage-stabilizing feed regulator isolator uses small-power three terminal regulator 78L05, and uses TO-92 packing forms, reduces
Space-consuming.
Temperature sensor 5 uses thermal resistance sensor, and temperature collection circuit 6 connects calandria by temperature sensor 5, its
The temperature signal of collection after capacitance-resistance filter by by PD2/Temp port transmissions to microprocessor 2.
It is connected with water pump, and controls the water pump control circuit 3 of water pump to include current-limiting resistance R9 connected according to this, triode
Q2, resistance R7, bidirectional triode thyristor SCR1 and diode D2, microprocessor 2 give triode Q2 by PC3/PUMP output pwm signals
Control bidirectional triode thyristor SCR1 conducting.Current-limiting resistance R9 is 1K Ω, and bidirectional triode thyristor SCR1 uses MAC97A6, due to being to hand over
Stream electricity, diode D2 only has half-wave conducting, makes pump working in optimum state.
Calandria control circuit 4 includes current-limiting resistance R2, triode Q1, diode D1 and electromagnetic relay RY1, current limliting electricity
Resistance R2 is connected with triode Q1 base stage, and triode Q1 colelctor electrode is changed by diode D1 and electromagnetic relay with AC-DC
+ 12V DC voltages the connection of circuit output.Microprocessor 2 outputs signal to triode by PC6/HOT and controls electromagnetic relay
RY1 break-make, J8, J9 are connected to the both positive and negative polarity of calandria, and J7 is alternating current zero line.Current-limiting resistance R2 is 1K Ω, electromagnetism relay
Device RY1 uses high-power H F62F-012-1HT relays, and maximum contact load can reach 16A/250VAC, and interior media is pressure-resistant
Height, antisurge.
The course of work of the present utility model is as follows：
The information such as working time, calandria operating temperature are sent to by original home wiring control mainboard by serial communication 7
Steam clean calandria frequency-converting control device of the present utility model, the device can pass through temperature collection circuit according to the information of reception
6, to gather vapor (steam) temperature as reference, adjust pwm signal in real time, and pumping for water pump amount is changed by controlling water pump control circuit 3, will
Calandria temperature control fuctuation within a narrow range above and below target temperature, when the device reads calandria temperature anomaly, in order to ensure
System can control circuit 4 directly to close calandria by calandria safely, while quickly improving water feeding of water pump amount；Work as monitoring temperature
Return to the power supply of recovery heating body after normal value.In addition, the utility model also can be by the real time temperature of calandria, warning message
Home wiring control mainboard is returned to, in order to be prompted to user on the front panel of household electrical appliances.Found by steam clean effect test,
Quantity of steam, vapor (steam) temperature various combination, it is possible to provide different cleaning rates, the utility model realizes different quantity of steams, steam
Temperature is combined, and realizes that steam clean is optimal effect.In addition, the utility model is improved with high temperature, superelevation alarm function
Security performance.
Certainly, the above is only preferred embodiment of the present utility model, it is impossible to be considered as being used to limit to this practicality newly
The scope of embodiments of type.The utility model is also not limited to the example above, and those skilled in the art are in this reality
With impartial change and improvement made in new essential scope etc., patent covering scope of the present utility model all should be belonged to
It is interior.
Claims (8)
1. a kind of steam clean calandria frequency-converting control device, it is characterised in that：Including the power supply being connected with microprocessor (2)
Modulate circuit (1), water pump control circuit (3), calandria control circuit (4), microprocessor (2) pass through serial communication (7) and original
There is the connection of home wiring control mainboard；Also include the temperature sensor (5) being connected by temperature collection circuit (6) with microprocessor (2).
2. a kind of steam clean calandria frequency-converting control device according to claim 1, it is characterised in that：Microprocessor
(2) STM8S103 single-chip microcomputers are used.
3. a kind of steam clean calandria frequency-converting control device according to claim 1, it is characterised in that：Power supply conditioning electricity
Road (1) includes AC-DC change-over circuits and DC-DC change-over circuits, and AC-DC change-over circuits are using mode PWM controlled mode
The input of power switch chip SM7055-12, AC-DC change-over circuit is connected with the power supply of original home wiring control mainboard, and defeated
The DC voltage for going out+12V gives DC-DC change-over circuits；DC-DC change-over circuits use three-terminal voltage-stabilizing feed regulator isolator, its input
Connect+the 12V of AC-DC change-over circuits road output DC voltage, output end output+5V DC voltage to microprocessor (2).
4. a kind of steam clean calandria frequency-converting control device according to claim 1, it is characterised in that：Temperature acquisition electricity
Road (6) connects calandria by temperature sensor (5), and its temperature signal gathered is transferred to microprocessor after capacitance-resistance filter
(2)。
5. a kind of steam clean calandria frequency-converting control device according to claim 1, it is characterised in that：Water pump control electricity
Road (3) includes current-limiting resistance R9, triode Q2, resistance R7, bidirectional triode thyristor SCR1 and diode D2 connected according to this, microprocessor
Device (2) controls bidirectional triode thyristor SCR1 conducting by output pwm signal through current-limiting resistance R9 to triode Q2.
6. a kind of steam clean calandria frequency-converting control device according to claim 5, it is characterised in that：Bidirectional triode thyristor
SCR1 uses MAC97A6.
7. a kind of steam clean calandria frequency-converting control device according to claim 1, it is characterised in that：Calandria is controlled
Circuit (4) includes current-limiting resistance R2, triode Q1, diode D1 and electromagnetic relay RY1, current-limiting resistance R2 and triode Q1's
Base stage is connected, and triode Q1 colelctor electrode passes through diode D1 and electromagnetic relay RY1 and the+12V of AC-DC change-over circuits output
DC voltage is connected.
8. a kind of steam clean calandria frequency-converting control device according to claim 7, it is characterised in that：Electromagnetic relay
RY1 uses HF62F-012-1HT relays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720014901.5U CN206331280U (en) | 2017-01-06 | 2017-01-06 | A kind of steam clean calandria frequency-converting control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720014901.5U CN206331280U (en) | 2017-01-06 | 2017-01-06 | A kind of steam clean calandria frequency-converting control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206331280U true CN206331280U (en) | 2017-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720014901.5U Expired - Fee Related CN206331280U (en) | 2017-01-06 | 2017-01-06 | A kind of steam clean calandria frequency-converting control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206331280U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111668803A (en) * | 2020-06-05 | 2020-09-15 | 凤凰光学股份有限公司 | Three-level safety protection circuit of heating system |
-
2017
- 2017-01-06 CN CN201720014901.5U patent/CN206331280U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111668803A (en) * | 2020-06-05 | 2020-09-15 | 凤凰光学股份有限公司 | Three-level safety protection circuit of heating system |
| CN111668803B (en) * | 2020-06-05 | 2022-08-09 | 杭州凤凰智能控制有限公司 | Three-level safety protection circuit of heating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 |