CN105892354A - Initialization circuit for water heater control circuit, and water heater control circuit - Google Patents
Initialization circuit for water heater control circuit, and water heater control circuit Download PDFInfo
- Publication number
- CN105892354A CN105892354A CN201610193658.8A CN201610193658A CN105892354A CN 105892354 A CN105892354 A CN 105892354A CN 201610193658 A CN201610193658 A CN 201610193658A CN 105892354 A CN105892354 A CN 105892354A
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- China
- Prior art keywords
- voltage
- resistance
- outfan
- initializing signal
- signal output
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
- G05B2219/21114—Universal input, AC or DC
Abstract
The invention belongs to the field of water heater control and provides an initialization circuit for a water heater control circuit, and a water heater control circuit. The initialization circuit for the water heater control circuit comprises a voltage conversion module and an initializing signal output module. The voltage conversion module continuously outputs, after operating, first voltage and second voltage via a first output end thereof and a second output end thereof respectively. The first voltage reaches preset voltage prior to the second voltage. When the first voltage is higher than the second voltage, the output end of the initializing signal output module outputs an initializing signal to a microprocessor MCU. When the second voltage rises and is equal to the preset voltage, the output end of the initializing signal output module stops outputting the initializing signal. The operating voltage of the microprocessor MCU rises as the second voltage rises. Therefore, when the second voltage is equal to the preset voltage, the operating voltage of the microprocessor MCU reaches a preset operating voltage range. As a result, the microprocessor MCU can be maintained in a stable operating state if the initializing signal is removed at the time. User experience is improved.
Description
Technical field
The invention belongs to water heater control field, particularly relate to initializing circuit and the water heater control circuit of a kind of water heater control circuit.
Background technology
In Solar Heater Market, 2010 and in 2009 in 2011 are 3 years of solar water heater industry big rise and big fall.2009, going to the countryside under policy strong promote at household electrical appliances, solar water heater industry has welcome the high speed development expected for a long time.But, it being immersed in great development happiness solar water heater enterprise soon and find, the growth of troop of going to the countryside along with household electrical appliances, the market competition becomes more and more harsher, and within 2010, industry development speedup substantially slows down.Up to 2011, bottom out with under the background of domestic series Policy Adjustment in global economy, be originally at nascent solar water heater, the same with many household electrical appliance, meet with market severe winter.Along with people's living standard improves day by day, people are more and more higher to the comfort requirement in family life.The various electric equipment products of the thing followed facilitate human lives and obtain and also occupies no small space simultaneously.The life of people is entered for this increasing multifunctional electric appliance.
But, the when that water heater control circuit also existing fault, need this time process initialization operation to detect, but the initialization control circuit of the water heater control circuit of purpose be typically designed complexity, poor stability, brings bad experience to user.
Summary of the invention
The purpose of the embodiment of the present invention is to provide the initializing circuit of a kind of water heater control circuit, it is intended to solve the complex circuit designs existing for the initializing circuit of existing water heater control circuit, the problem of poor stability.
In order to solve above-mentioned technical problem, the present invention is achieved in that the initializing circuit of a kind of water heater control circuit, and for being connected with Micro-processor MCV, the initializing circuit of described water heater control circuit includes voltage transformation module and initializing signal output module；
The input of described voltage transformation module accesses predeterminated voltage, the input of described initializing signal output module and control end connect the first outfan and second outfan of described voltage transformation module respectively, and the outfan of described initializing signal output module connects described Micro-processor MCV；
Described voltage transformation module continues to export the first voltage and the second voltage respectively from described first outfan and described second outfan after work, described first voltage reaches described predeterminated voltage prior to described second voltage, when described first voltage is more than described second voltage, the outfan output initializing signal of described initializing signal output module is to described Micro-processor MCV, when described second voltage rises and is equal to described predeterminated voltage, the outfan of described initializing signal output module stops exporting described initializing signal；The running voltage of time and described Micro-processor MCV that described second voltage rises to described predeterminated voltage rises to preset the time consistency that running voltage is interval.
Another object of the present invention also resides in a kind of water heater control circuit of offer, and described water heater control circuit includes Micro-processor MCV and the initializing circuit of above-mentioned water heater control circuit.
nullThe present invention includes the initializing circuit of the water heater control circuit of voltage transformation module and initializing signal output module by employing，Continued to export the first voltage and the second voltage respectively from its first outfan and the second outfan after work by voltage transformation module，First voltage reaches predeterminated voltage prior to the second voltage，When the first voltage is more than the second voltage，The outfan output initializing signal of initializing signal output module is to Micro-processor MCV，When the second voltage rises and is equal to predeterminated voltage，The outfan of initializing signal output module stops output initializing signal，During the second voltage rises，The running voltage of Micro-processor MCV is also rising，So when the second voltage is equal to predeterminated voltage，It is interval that the running voltage of Micro-processor MCV has reached to preset running voltage the most，Therefore initializing signal removes the duty that Micro-processor MCV entrance just can be made stable at this moment，Promote the experience of user.
Accompanying drawing explanation
Fig. 1 is the function structure chart of the initializing circuit of the water heater control circuit that the embodiment of the present invention provides；
Fig. 2 is the exemplary circuit structure chart of the initializing circuit of the water heater control circuit that the embodiment of the present invention provides.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 shows the modular structure of the initializing circuit of the water heater control circuit that the embodiment of the present invention provides, and for convenience of description, illustrate only part related to the present invention, and details are as follows:
The initializing circuit 100 of water heater control circuit is for being connected with Micro-processor MCV 200, and the initializing circuit 100 of water heater control circuit includes voltage transformation module 101 and initializing signal output module 102.
The input of voltage transformation module 101 accesses predeterminated voltage, the input of initializing signal output module 102 and control end connect the first outfan and second outfan of voltage transformation module 101 respectively, and the outfan of initializing signal output module 102 connects Micro-processor MCV 200.
Voltage transformation module 101 continues to export the first voltage and the second voltage respectively from its first outfan and the second outfan after work, first voltage reaches predeterminated voltage prior to the second voltage, when the first voltage is more than the second voltage, the outfan output initializing signal of initializing signal output module 102 is to Micro-processor MCV 200, when the second voltage rises and is equal to predeterminated voltage, the outfan of initializing signal output module 102 stops output initializing signal, the running voltage of time and Micro-processor MCV that the second voltage rises to predeterminated voltage rises to preset the time consistency that running voltage is interval.
Fig. 2 shows the exemplary circuit structure of the initializing circuit of the water heater control circuit that the embodiment of the present invention provides, and for convenience of description, illustrate only part related to the present invention, and details are as follows:
As one embodiment of the invention, voltage transformation module 101 includes:
Resistance R1, resistance R2, diode D1, diode D2, electric capacity C1 and electric capacity C2；
First end of resistance R1 and the input that common contact is voltage transformation module 101 of first end of resistance R2, second end of resistance R1 and the negative electrode of diode D1 are connected to the anode of diode D2 altogether, the negative electrode of diode D2 connects first end of electric capacity C1, and first outfan that the first end is voltage transformation module 101 of electric capacity C1, the second end ground connection of electric capacity C1, second end of resistance R2 and the anode of diode D1 are connected to first end of electric capacity C2 altogether, second outfan that first end is voltage transformation module 101 of electric capacity C2, the second end ground connection of electric capacity C2.
As one embodiment of the invention, initializing signal output module 102 includes:
Resistance R3, PNP type triode Q1, resistance R4 and resistance R5；
The control end that first end is initializing signal output module 102 of resistance R3, second end of resistance R3 connects the base stage of PNP type triode Q1, the input of the transmitting of PNP type triode Q1 extremely initializing signal output module 102, first end of the colelctor electrode of PNP type triode Q1 and resistance R4 is connected to first end of resistance R5 altogether, the second end ground connection of resistance R4, the outfan that second end is initializing signal output module 102 of resistance R5, second end of resistance R5 is also connected to ground.
Below in conjunction with operation principle, the initializing circuit 100 of above-mentioned water heater control circuit is described further:
nullAt the initial time that powers on，Predeterminated voltage drives diode D2 to turn on by resistance R1，And then electric capacity C1 is charged，And predeterminated voltage divides two-way to enter electric capacity C2 and diode D1 also by resistance R2 simultaneously，So now electric capacity C1 and electric capacity C2 all can be charged，The electric current that the electric current exported by resistance R1 due to the electric current of inflow diode D2 and diode D1 are exported forms，So in the process，The charging rate of electric capacity C1 can charging rate than electric capacity C2 fast，Then the voltage of first end of electric capacity C1 will reach target voltage at short notice，So that the voltage of the emitter stage of PNP type triode Q1 is rapidly achieved target voltage，And owing to the charging rate of electric capacity C2 is slower，Then the voltage (the i.e. first voltage) of first end of electric capacity C1 can be more than the voltage (the i.e. second voltage) of the first end of electric capacity C2，Therefore，The emitter voltage of PNP type triode Q1 is more than base voltage，PNP type triode Q1 forward bias turns on，Then the colelctor electrode of PNP type triode Q1 can export high level and obtained initializing signal by resistance R4 and resistance R5 dividing potential drop and exported to Micro-processor MCV 200，Subsequently，The voltage of first end of electric capacity C1 may proceed to be increased to predeterminated voltage，And the voltage of first end of electric capacity C2 also can slowly rise，So before the voltage of first end of electric capacity C2 is not up to predeterminated voltage，Above-mentioned initializing signal can persistently export to Micro-processor MCV 200，Now the running voltage of Micro-processor MCV 200 is also rising.When the voltage of first end of electric capacity C2 rises to predeterminated voltage (now the running voltage of Micro-processor MCV 200 also rises to preset running voltage interval), the emitter voltage of PNP type triode Q1 is equal to base voltage, then PNP type triode Q1 enters cut-off state, its colelctor electrode output low level, this is equivalent to stop output initializing signal, the reset procedure of Micro-processor MCV 200 terminates the most therewith, and enters normal operating conditions.
Understand from the discussion above, the rise time of the voltage of first end of electric capacity C2 is to keep consistent with the rise time of the running voltage of Micro-processor MCV 200, thus can guarantee that when Micro-processor MCV 200 reaches the condition entering normal work, initializing signal the most just removes, thus ensures that the water heater control circuit comprising Micro-processor MCV 200 can reliablely and stablely work.
In actual applications, consistent with the rise time of the running voltage of Micro-processor MCV 200 in order to ensure the voltage of first end of electric capacity C2, for the Micro-processor MCV of different model, the electric capacity of optional corresponding capacitance amount as electric capacity C2 to realize this purpose.
The embodiment of the present invention additionally provides a kind of water heater control circuit, and it includes the initializing circuit 100 of Micro-processor MCV and above-mentioned water heater control circuit.
nullThe embodiment of the present invention includes the initializing circuit of the water heater control circuit of voltage transformation module and initializing signal output module by employing，Continued to export the first voltage and the second voltage respectively from its first outfan and the second outfan after work by voltage transformation module，First voltage reaches predeterminated voltage prior to the second voltage，When the first voltage is more than the second voltage，The outfan output initializing signal of initializing signal output module is to Micro-processor MCV，When the second voltage rises and is equal to predeterminated voltage，The outfan of initializing signal output module stops output initializing signal，During the second voltage rises，The running voltage of Micro-processor MCV is also rising，So when the second voltage is equal to predeterminated voltage，It is interval that the running voltage of Micro-processor MCV has reached to preset running voltage the most，Therefore initializing signal removes the duty that Micro-processor MCV entrance just can be made stable at this moment，Promote the experience of user
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.
Claims (6)
1. the initializing circuit of water heater control circuit, for being connected with Micro-processor MCV, it is characterised in that the initializing circuit of described water heater control circuit includes voltage transformation module and initializing signal output module；
The input of described voltage transformation module accesses predeterminated voltage, the input of described initializing signal output module and control end connect the first outfan and second outfan of described voltage transformation module respectively, and the outfan of described initializing signal output module connects described Micro-processor MCV；
Described voltage transformation module continues to export the first voltage and the second voltage respectively from described first outfan and described second outfan after work, described first voltage reaches described predeterminated voltage prior to described second voltage, when described first voltage is more than described second voltage, the outfan output initializing signal of described initializing signal output module is to described Micro-processor MCV, when described second voltage rises and is equal to described predeterminated voltage, the outfan of described initializing signal output module stops exporting described initializing signal；The running voltage of time and described Micro-processor MCV that described second voltage rises to described predeterminated voltage rises to preset the time consistency that running voltage is interval.
2. the initializing circuit of water heater control circuit as claimed in claim 1, it is characterised in that described voltage transformation module includes:
Resistance R1, resistance R2, diode D1, diode D2, electric capacity C1 and electric capacity C2；
The input that common contact is described voltage transformation module of first end of first end of described resistance R1 and described resistance R2, the negative electrode of second end of described resistance R1 and described diode D1 is connected to the anode of described diode D2 altogether, the negative electrode of described diode D2 connects first end of described electric capacity C1, and first outfan that the first end is described voltage transformation module of described electric capacity C1, the second end ground connection of described electric capacity C1, the anode of second end of described resistance R2 and described diode D1 is connected to first end of described electric capacity C2 altogether, second outfan that first end is described voltage transformation module of described electric capacity C2, the second end ground connection of described electric capacity C2.
3. the initializing circuit of water heater control circuit as claimed in claim 1, it is characterised in that described initializing signal output module includes:
Resistance R3, PNP type triode Q1, resistance R4 and resistance R5；
First end of described resistance R3 is the control end of described initializing signal output module, second end of described resistance R3 connects the base stage of described PNP type triode Q1, the input of the transmitting the most described initializing signal output module of described PNP type triode Q1, first end of the colelctor electrode of described PNP type triode Q1 and described resistance R4 is connected to first end of described resistance R5 altogether, the second end ground connection of described resistance R4, second end of described resistance R5 is the outfan of described initializing signal output module, and second end of described resistance R5 is also connected to ground.
4. a water heater control circuit, it is characterized in that, described water heater control circuit includes the initializing circuit of Micro-processor MCV and water heater control circuit, the initializing circuit of described water heater control circuit is connected with described Micro-processor MCV, and the initializing circuit of described water heater control circuit includes voltage transformation module and initializing signal output module；
The input of described voltage transformation module accesses predeterminated voltage, the input of described initializing signal output module and control end connect the first outfan and second outfan of described voltage transformation module respectively, and the outfan of described initializing signal output module connects described Micro-processor MCV；
Described voltage transformation module continues to export the first voltage and the second voltage respectively from described first outfan and described second outfan after work, described first voltage reaches described predeterminated voltage prior to described second voltage, when described first voltage is more than described second voltage, the outfan output initializing signal of described initializing signal output module is to described Micro-processor MCV, when described second voltage rises and is equal to described predeterminated voltage, the outfan of described initializing signal output module stops exporting described initializing signal；The running voltage of time and described Micro-processor MCV that described second voltage rises to described predeterminated voltage rises to preset the time consistency that running voltage is interval.
5. water heater control circuit as claimed in claim 4, it is characterised in that described voltage transformation module includes:
Resistance R1, resistance R2, diode D1, diode D2, electric capacity C1 and electric capacity C2；
The input that common contact is described voltage transformation module of first end of first end of described resistance R1 and described resistance R2, the negative electrode of second end of described resistance R1 and described diode D1 is connected to the anode of described diode D2 altogether, the negative electrode of described diode D2 connects first end of described electric capacity C1, and first outfan that the first end is described voltage transformation module of described electric capacity C1, the second end ground connection of described electric capacity C1, the anode of second end of described resistance R2 and described diode D1 is connected to first end of described electric capacity C2 altogether, second outfan that first end is described voltage transformation module of described electric capacity C2, the second end ground connection of described electric capacity C2.
6. water heater control circuit as claimed in claim 4, it is characterised in that described initializing signal output module includes:
Resistance R3, PNP type triode Q1, resistance R4 and resistance R5；
First end of described resistance R3 is the control end of described initializing signal output module, second end of described resistance R3 connects the base stage of described PNP type triode Q1, the input of the transmitting the most described initializing signal output module of described PNP type triode Q1, first end of the colelctor electrode of described PNP type triode Q1 and described resistance R4 is connected to first end of described resistance R5 altogether, the second end ground connection of described resistance R4, second end of described resistance R5 is the outfan of described initializing signal output module, and second end of described resistance R5 is also connected to ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610193658.8A CN105892354A (en) | 2016-03-31 | 2016-03-31 | Initialization circuit for water heater control circuit, and water heater control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610193658.8A CN105892354A (en) | 2016-03-31 | 2016-03-31 | Initialization circuit for water heater control circuit, and water heater control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN105892354A true CN105892354A (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610193658.8A Pending CN105892354A (en) | 2016-03-31 | 2016-03-31 | Initialization circuit for water heater control circuit, and water heater control circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117406698A (en) * | 2023-12-12 | 2024-01-16 | 广汽埃安新能源汽车股份有限公司 | ECU fault processing method and device in brushing process |
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| CN103905756A (en) * | 2014-03-26 | 2014-07-02 | 深圳创维－Rgb电子有限公司 | Television set failure processing device and television set |
| CN203813867U (en) * | 2014-04-29 | 2014-09-03 | 深圳创维－Rgb电子有限公司 | Reset circuit and television set |
| CN104423514A (en) * | 2013-08-19 | 2015-03-18 | 海洋王（东莞）照明科技有限公司 | Single chip microcomputer reset circuit and microcomputer system |
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2016
- 2016-03-31 CN CN201610193658.8A patent/CN105892354A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102375516A (en) * | 2010-08-18 | 2012-03-14 | 鸿富锦精密工业（深圳）有限公司 | Reset circuit and electronic device |
| CN102820779A (en) * | 2011-06-10 | 2012-12-12 | 英业达股份有限公司 | Power control circuit |
| CN104423514A (en) * | 2013-08-19 | 2015-03-18 | 海洋王（东莞）照明科技有限公司 | Single chip microcomputer reset circuit and microcomputer system |
| CN103905756A (en) * | 2014-03-26 | 2014-07-02 | 深圳创维－Rgb电子有限公司 | Television set failure processing device and television set |
| CN203813867U (en) * | 2014-04-29 | 2014-09-03 | 深圳创维－Rgb电子有限公司 | Reset circuit and television set |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117406698A (en) * | 2023-12-12 | 2024-01-16 | 广汽埃安新能源汽车股份有限公司 | ECU fault processing method and device in brushing process |
| CN117406698B (en) * | 2023-12-12 | 2024-03-01 | 广汽埃安新能源汽车股份有限公司 | ECU fault processing method and device in brushing process |
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