CN105242705A - Vehicle-mounted thermostat controller - Google Patents
Vehicle-mounted thermostat controller Download PDFInfo
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- CN105242705A CN105242705A CN201510293392.XA CN201510293392A CN105242705A CN 105242705 A CN105242705 A CN 105242705A CN 201510293392 A CN201510293392 A CN 201510293392A CN 105242705 A CN105242705 A CN 105242705A
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Abstract
The present invention provides a vehicle-mounted thermostat controller which comprises a power supply source for supplying power to the vehicle-mounted thermostat controller, a conversion circuit for carrying out DC boost processing on the voltage of the power supply source and outputting, a temperature sensor for detecting the temperature in a vehicle, and a semiconductor thermostat for carrying out cooling or heating operation on the air in the vehicle by using the direct current outputted by the conversion circuit. The vehicle-mounted thermostat controller has the advantages of small size and low power consumption, the vehicle-mounted thermostat controller can be conveniently arranged in vehicle to carry out the constant temperature control of the air in the vehicle, and the technical problem that the temperature in the vehicle can not be effectively controlled by an existing vehicle-mounted temperature controller in the winter or summer or the cost of the temperature control in the vehicle is too high is solved.
Description
Technical field
The present invention relates to on-board air conditioner field, more particularly, relate to a kind of vehicle-mounted radiator valve.
Background technology
Along with the development of science and technology, automobile becomes more and more universal, but is all generally outdoor due to automobile or places in simple garage.Like this winter of cold or sweltering heat summer, people started up the car time, the temperature in car often people is insufferable.
Although people can carry out isothermal holding by arranging stay-warm case or sunshading cover etc. at automobile external to automobile, the setting of stay-warm case or sunshading cover, preservation and cleaning are all cumbersome; Simultaneously for atrocious weather, still cannot solve the too high or too low problem of above-mentioned vehicle interior temperature from basic, namely under the direct projection of the sun, even if be provided with the automobile of sunshading cover, the temperature of its inside is also that people are insufferable.
Therefore, be necessary to provide a kind of vehicle-mounted radiator valve, to solve the problem existing for prior art.
Summary of the invention
The object of the invention is to provide a kind of vehicle-mounted radiator valve, and its volume is little, energy consumption is low, can be arranged on easily in car and carry out thermostatic control to the air in car; Effectively can not control temperature in automobile or vehicle interior temperature when winter or summer to control cost too high technical matters to solve existing vehicle-mounted temperature controller.
For solving the problem, technical scheme provided by the invention is as follows:
There is provided a kind of vehicle-mounted radiator valve, it comprises:
Power supply source, powers for giving described vehicle-mounted radiator valve;
Change-over circuit, exports after carrying out DC boosting process to the voltage of described power supply source;
Temperature sensor, for detecting the temperature in automobile; And
Semiconductor thermostat, for the temperature detected according to described temperature sensor, the direct current using described change-over circuit to export freezes or heating operation to the air in described automobile.
In vehicle-mounted radiator valve of the present invention, described power supply source comprises lithium battery group, automobile storage battery and solar panel.
In vehicle-mounted radiator valve of the present invention, described vehicle-mounted radiator valve also comprises control module, for determine to use described lithium battery group, described automobile storage battery or described solar panel at least one of them is powered, simultaneously also for using described solar panel to carry out charging operations to described lithium battery group to described vehicle-mounted thermostat.
In vehicle-mounted radiator valve of the present invention, the use priority of described power supply source is followed successively by solar panel, lithium battery group and automobile storage battery from high to low.
In vehicle-mounted radiator valve of the present invention, described control module also comprises storage battery protected location, for when the voltage of described automobile storage battery is lower than minimum setting value, stops powering to described vehicle-mounted radiator valve.
In vehicle-mounted radiator valve of the present invention, described solar panel is transparent solar cell film, and described transparent solar cell film is arranged on the transparent vehicle window place of described automobile.
In vehicle-mounted radiator valve of the present invention, described change-over circuit comprises:
Direct-flow input end, for input direct voltage signal;
Control signal generation module, for generation of changeover control signal;
Two synchronous boost modules, it comprises at least one energy-storage units, for carrying out boosting process according to described changeover control signal to described d. c. voltage signal;
DC output end, for exporting the d. c. voltage signal after described synchronous boost module boosting process;
Described direct-flow input end respectively with described control signal generation module and described two synchronous boost model calling, described control signal generation module and described two synchronous boost model calling, described two synchronous boost modules are connected with described DC output end;
Wherein said two synchronous boost modules are parallel with one another, and one of them of two synchronous boost modules described in the same time carries out boosting process to described d. c. voltage signal.
In vehicle-mounted radiator valve of the present invention, the output power of each described synchronous boost module is 30 watts to 65 watts.
In vehicle-mounted radiator valve of the present invention, described synchronous boost module also comprises the half-bridge driven chip of model MIC4102, the first gauge tap pipe and the second gauge tap pipe;
Described half-bridge driven chip comprises signal input part, first signal output part and secondary signal output terminal, described signal input part is connected with described control signal generation module, described first signal output part is connected with the control end of described first gauge tap pipe, described secondary signal output terminal is connected with the control end of described second gauge tap pipe, the input end of described first gauge tap pipe is connected with described energy-storage units respectively with the input end of described second gauge tap pipe, the output head grounding of described first gauge tap pipe, the output terminal of described second gauge tap pipe is connected with described DC output end.
In vehicle-mounted radiator valve of the present invention, described change-over circuit comprises at least n control signal generation module and at least 2n synchronous boost module, each described control signal generation module is the described synchronous boost model calling with two respectively, wherein n be greater than 1 integer; Described direct-flow input end respectively with all control signal generation modules and all synchronous boost model calling, all synchronous boost modules are connected with described DC output end;
Wherein corresponding with described control signal generation module described two synchronous boost modules are parallel with one another, and one of them of two synchronous boost modules described in the same time carries out boosting process to described d. c. voltage signal.
Implement vehicle-mounted radiator valve of the present invention, there is following beneficial effect: this vehicle-mounted radiator valve volume is little, energy consumption is low, can be arranged on easily in car and thermostatic control is carried out to the air in car.Solve existing vehicle-mounted temperature controller effectively to control temperature in automobile or vehicle interior temperature when winter or summer and to control cost too high technical matters.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of the first preferred embodiment of vehicle-mounted radiator valve of the present invention;
Fig. 2 is the structural representation of the second preferred embodiment of vehicle-mounted radiator valve of the present invention;
Fig. 3 is the structural representation of the first preferred embodiment of the change-over circuit of vehicle-mounted radiator valve of the present invention;
Fig. 4 is the structural representation of the second preferred embodiment of the change-over circuit of vehicle-mounted radiator valve of the present invention;
Fig. 5 is the structural representation of the 3rd preferred embodiment of the change-over circuit of vehicle-mounted radiator valve of the present invention;
Fig. 6 is the electrical block diagram of the specific embodiment of the change-over circuit of vehicle-mounted radiator valve of the present invention.
Embodiment
Below in conjunction with diagram, the preferred embodiments of the present invention are described in detail.
Please refer to Fig. 1, Fig. 1 is the structural representation of the first preferred embodiment of vehicle-mounted radiator valve of the present invention.The vehicle-mounted radiator valve of this preferred embodiment comprises power supply source 11, change-over circuit 12, temperature sensor 13 and semiconductor thermostat 14.Power supply source 11 is powered for giving vehicle-mounted radiator valve; Change-over circuit 12 exports after carrying out DC boosting process to the voltage of power supply source 11; Temperature sensor 13 is for detecting the temperature in automobile; The temperature of semiconductor thermostat 14 for detecting according to temperature sensor 13, the direct current using change-over circuit 12 to export freezes or heating operation to the air in automobile.
When the vehicle-mounted radiator valve of this preferred embodiment uses, direct current is directly inputted in the semiconductor thermostat 14 be arranged on automobile by power supply source 11 by change-over circuit 12, do for driving semiconductor thermostat work 14, wherein the voltage of change-over circuit 12 pairs of power supply sources 11 carries out DC boosting process, this change-over circuit 12 volume is little and conversion efficiency is high, and the structure of change-over circuit 12 and principle of work refer to specific descriptions below.The temperature sensor 13 be simultaneously arranged in automobile can detect the temperature in automobile, and the temperature data detected is fed back to semiconductor thermostat 14; The temperature that such semiconductor thermostat 14 can detect according to temperature sensor 13, the direct current using change-over circuit 12 to export freezes or heating operation to the air in automobile, realize the accurate control to air themperature in car, the thermostatic control in car can be realized.
The vehicle-mounted radiator valve of this preferred embodiment is owing to using that volume is little and the change-over circuit that conversion efficiency is high carries out DC boosting process to the output of power supply source, and therefore this vehicle-mounted radiator valve can use the lithium battery group of small size can maintain the long-time normal work of semiconductor thermostat; The vehicle-mounted radiator valve of this preferred embodiment, while carrying out whole day control to vehicle interior temperature, also effectively controls operating power consumption.
Please refer to Fig. 2, Fig. 2 is the structural representation of the second preferred embodiment of vehicle-mounted radiator valve of the present invention.On the basis of the first preferred embodiment, the power supply source 11 of the vehicle-mounted radiator valve of this preferred embodiment comprises lithium battery group 111, automobile storage battery 112 and solar panel 113.Vehicle-mounted radiator valve also comprises control module 15, this control module 15 for determine to use lithium battery group 111, automobile storage battery 112 or solar panel 113 at least one of them is powered, simultaneously also for using this solar panel 113 pairs of lithium battery groups 111 to carry out charging operations to vehicle-mounted thermostat.
In order to improve the stability of vehicle-mounted radiator valve work further, the vehicle-mounted radiator valve of this preferred embodiment can be provided with multiple power supply source 11 and power to vehicle-mounted radiator valve.
Preferably, according to the character of various power supply source 11, power supply source 11 uses priority to be followed successively by solar panel 113, lithium battery group 111 and automobile storage battery 112 from high to low.When the vehicle-mounted radiator valve of this sample preferred embodiment works, as solar panel 113 can power (namely extraneous sunny) to vehicle-mounted radiator valve, then control module 15 uses solar panel 113 to power to vehicle-mounted radiator valve, and solar panel 113 pairs of lithium battery groups 111 also can be used to carry out charging operations simultaneously.As solar panel 113 can not be powered to vehicle-mounted radiator valve (i.e. extraneous sunlight rare or do not have sunlight), then control module 15 uses solar panel 113 and lithium battery group 111 to power to vehicle-mounted radiator valve simultaneously.As solar panel 113 can not be powered to vehicle-mounted radiator valve, the voltage of lithium battery group 111 can not be powered to vehicle-mounted radiator valve simultaneously, then the automobile storage battery 112 that control module 15 uses solar panel 113 and automobile to carry is powered to vehicle-mounted radiator valve; Because automobile storage battery 112 electricity when automobile does not start state is also limited, generally not arranging automobile storage battery 112 pairs of lithium battery groups 111 carries out charging operations here.By above-mentioned three kinds of power supply source prioritys, other is arranged, and farthest can ensure the long steady operation of vehicle-mounted radiator valve.
Preferably, above-mentioned solar panel 113 is transparent solar cell film, and this transparent solar cell film is arranged on the transparent vehicle window place of automobile, as being arranged on the transparent vehicle window of the front windshield of automobile, rear seat windscreen and side.Light into the car effectively can be absorbed like this, do not affect the outward appearance of automobile simultaneously.
Preferably, in this preferred embodiment, control module 15 also can comprise a storage battery protected location, and this storage battery protected location is used for when the voltage of automobile storage battery is lower than a minimum setting value, stops powering to vehicle-mounted radiator valve.Like this while guarantee vehicle-mounted radiator valve long-time stable work, what also can ensure that automobile can be stable starts, and prevents working long hours of vehicle-mounted radiator valve to have been consumed by the electricity of automobile storage battery.
Preferably, in order to protect automobile storage battery further, when using automobile storage battery to power to vehicle-mounted radiator valve, the control temperature of relative low power consuming can be set.As in summer, when using lithium battery group 111 to power to vehicle-mounted radiator valve, thermostatically controlled temp is 28 degree, and when using automobile storage battery 112 to power to vehicle-mounted radiator valve, thermostatically controlled temp can be 30 degree to 32 degree; As in winter, when using lithium battery group 111 to power to vehicle-mounted thermostatic control, thermostatically controlled temp is 5 degree, and when using automobile storage battery 112 to power to vehicle-mounted radiator valve, thermostatically controlled temp can be 0 degree to 5 degree.
The vehicle-mounted radiator valve of this preferred embodiment is on the basis of the first preferred embodiment; farthest ensureing the long steady operation of vehicle-mounted radiator valve by arranging multiple power supply source, ensure that starting of automobile Absorbable organic halogens by the setting of storage battery protected location simultaneously.
Please refer to Fig. 3, Fig. 3 is the structural representation of the first preferred embodiment of the change-over circuit of vehicle-mounted radiator valve of the present invention.The change-over circuit 30 of this preferred embodiment comprises direct-flow input end 31, control signal generation module 32, two synchronous boost modules 33 and DC output end 34; This direct-flow input end 31 is for input direct voltage signal; Control signal generation module 32 is for generation of changeover control signal; Each synchronous boost module 33 comprises at least one energy-storage units 331, for carrying out boosting process according to changeover control signal to d. c. voltage signal; DC output end 34 is for exporting the d. c. voltage signal after synchronous boost module 33 boosting process.DC output end 34 is connected with control signal generation module 32 and two synchronous boost modules 33 respectively, and control signal generation module 32 is connected with two synchronous boost modules 33, and two synchronous boost modules 33 are connected with DC output end 34.
When the change-over circuit 30 of this preferred embodiment uses, first to direct-flow input end 31 input direct voltage signal, the voltage signal of input is sent to control signal generation module 32 and synchronous boost module 33 by direct-flow input end 31; Then control signal generation module 32 generates corresponding changeover control signal and sends to synchronous boost module 33; Synchronous boost module 33 carries out boosting process according to changeover control signal to direct-flow input end 31 input direct voltage signal, be specially between two synchronous boost modules 33 parallel with one another, only have one to carry out boosting process to d. c. voltage signal in two synchronous boost modules 33 of same time, and the d. c. voltage signal after boosting process is sent to DC output end 34 and exports.
In order to ensure miniaturization and the high efficiency of change-over circuit 30, the output power of each synchronous boost module 33 all controls between 30 watts to 65 watts, the energy-storage units 331(of such synchronous boost module 33 is generally inductance) and the miscellaneous part (as gauge tap pipe etc.) of synchronous boost module 33 all can adopt the parts that volume is little and efficiency is high, as gauge tap pipe adopts SOIC(SmallOutlineIntegratedCircuitPackage, the encapsulation of surface mount integrated single channel) mode encapsulate, inductance can adopt the small inductor of output power between 30 watts to 65 watts.As output power needs to continue to increase, then in order to ensure the normal work of inductance and gauge tap pipe, inductance must be arranged the heat radiator for dispelling the heat, gauge tap pipe must use the mode of the TO-220 being beneficial to heat radiation to encapsulate, the volume of such change-over circuit 30 will inevitably increase greatly, simultaneously due to the increase of thermal value, the conversion efficiency of change-over circuit 30 also can reduce greatly.
Only have one simultaneously in two synchronous boost modules 33 of same time and boosting process is carried out to d. c. voltage signal, this change-over circuit 30 does not need to carry out current-sharing process to the output of two synchronous boost modules 33 like this, further increases the conversion efficiency of this change-over circuit 30.
The change-over circuit 30 of this preferred embodiment have employed the parallel connection of two synchronous boost modules 33 and carries out boosting process to d. c. voltage signal, the inductance of synchronous boost module 33 and gauge tap Guan Junke adopt the parts that volume is little and efficiency is high, the volume reducing change-over circuit, the working temperature reducing change-over circuit and improve the conversion efficiency of change-over circuit.
Please refer to Fig. 4, Fig. 4 is the structural representation of the second preferred embodiment of the change-over circuit of vehicle-mounted radiator valve of the present invention.The change-over circuit 40 of this preferred embodiment also comprises filtration module 45 and overcurrent protection module 46 on the basis of the first preferred embodiment; Wherein filtration module 45 is for carrying out filtering process to the d. c. voltage signal of input, and overcurrent protection module 46 is for carrying out overcurrent protection to the output of change-over circuit 40.This filtration module 45 is connected with direct-flow input end 31, control signal generation module 32 and synchronous boost module 33 respectively; Overcurrent protection module 46 is connected with synchronous boost module 33 and DC output end 34 respectively.
When the change-over circuit 40 of this preferred embodiment uses, first to direct-flow input end 31 input direct voltage signal, the d. c. voltage signal that filtration module 45 pairs of direct-flow input ends 31 input carries out filtering process, then the voltage signal of input is sent to control signal generation module 32 and synchronous boost module 33; Then control signal generation module 32 generates corresponding changeover control signal and sends to synchronous boost module 33; Synchronous boost module 33 carries out boosting process according to changeover control signal to direct-flow input end 31 input direct voltage signal; be specially between two synchronous boost modules 33 parallel with one another; the same time only has a synchronous boost module 33 pairs of d. c. voltage signals to carry out boosting process, and the d. c. voltage signal after boosting process is sent to DC output end 34 by overcurrent protection module 46 and exports.
The change-over circuit 40 of this preferred embodiment uses filtration module 45 pairs of d. c. voltage signals to carry out filtering process on the basis of the first preferred embodiment; the each parts in overcurrent protection module 46 pairs of change-over circuits 40 are used to carry out overcurrent protection; reduce change-over circuit volume, reduce change-over circuit working temperature and improve on the basis of conversion efficiency of change-over circuit, further ensure change-over circuit 40 work stability.
Please refer to Fig. 5, Fig. 5 is the structural representation of the 3rd preferred embodiment of the change-over circuit of vehicle-mounted radiator valve of the present invention.On the basis of the second preferred embodiment, the change-over circuit 50 of this preferred embodiment comprises at least n control signal generation module 32 and at least 2n synchronous boost module 33, corresponding to two the respectively synchronous boost module 33 of each control signal generation module 32 connects, wherein n be greater than 1 integer.Direct-flow input end 31 is connected with all control signal generation modules 32 and all synchronous boost modules 33 respectively, and all synchronous boost modules 33 are connected with DC output end 34.
When the change-over circuit 50 of this preferred embodiment uses, first to direct-flow input end 31 input direct voltage signal, the d. c. voltage signal that filtration module 45 pairs of direct-flow input ends 31 input carries out filtering process, then the voltage signal of input is sent to control signal generation module 32 and synchronous boost module 33; Then control signal generation module 32 generates corresponding changeover control signal and sends to synchronous boost module 33; Synchronous boost module 33 carries out boosting process according to changeover control signal to direct-flow input end 31 input direct voltage signal.
Because needs export high-power signal, and the optimum output power of the synchronous boost module 33 on each road is 30 watts to 65 watts.Therefore in the preferred embodiment, according to power setting n control signal generation module 32 and 2n the synchronous boost module 33 of output signal, each control signal generation module 32 controls the power stage of two synchronous boost modules 33, two the synchronous boost modules 33 controlled by same control signal generation module 32 are parallel with one another, and one of them of above-mentioned two synchronous boost modules 33 of same time carries out boosting process to d. c. voltage signal.As certain power supply needs the power of output 500 watts, 4 control signal generation modules 32 and 8 synchronous boost modules 33 then can be set, each synchronous boost module 33 output power is 62.5 watts, the same time has 4 synchronous boost modules 33 carrying out synchronous boost operation, and these 4 synchronous boost modules 33 are controlled by different control signal generation modules 32.
D. c. voltage signal after boosting process is sent to DC output end 34 by overcurrent protection module 46 and exports by last synchronous boost module 33.
The change-over circuit 50 of this preferred embodiment achieves the parallel connection between multiple synchronous boost module 33 on the basis of the second preferred embodiment, ensure that the output of large power supply efficient stable.
The specific works principle of change-over circuit of the present invention is described below by a specific embodiment, please refer to Fig. 6, Fig. 6 is the electrical block diagram of the specific embodiment of the change-over circuit of vehicle-mounted radiator valve of the present invention.
In the preferred embodiment, control signal generation module 32 is the PWM controller chip IC1 of model TL594; Half-bridge driven chip IC 3, first gauge tap pipe Q1 and Q3 and the second gauge tap pipe Q2 and Q4 that the half-bridge driven chip IC 2 that synchronous boost module 33 comprises inductance L 1, inductance L 2, model are MIC4102, model are MIC4102; Overcurrent protection module 46 is the circuit protection chip of model DW01; Filtration module 45 is electric capacity C3 and electric capacity C7.
The principle of work of the change-over circuit 60 of this specific embodiment is described for inductance L 2, half-bridge driven chip IC 3, first gauge tap pipe Q3 and the second gauge tap pipe Q4 mono-tunnel below.
Wherein electric capacity C3 and electric capacity C7 are connected with power end 12 pin of the power end VCC of direct-flow input end 31, half-bridge driven chip IC 3, the power end VCC of half-bridge driven chip IC 3 and PWM controller chip IC1 respectively.PWM controller chip IC1 comprises power end 12 pin, the first signal output part 8 pin, secondary signal output terminal 11 pin and output voltage feedback end 1 pin.Half-bridge driven chip IC 3 comprises power end VCC, signal input part PWM, the first signal output part LO and secondary signal output terminal HO.Overcurrent protection chip IC 5 comprises power end VDD, current detecting end VM and protecting control end DO.
Secondary signal output terminal 11 pin of PWM controller chip IC1 is connected with the signal input part PWM of half-bridge driven chip IC 3; Output voltage feedback end 1 pin of PWM controller chip IC1 is connected with the two ends of electric capacity C16, detects output voltage for detecting dividing potential drop.
First signal output part LO of half-bridge driven chip IC 3 is connected with the control end (i.e. grid) of the first gauge tap pipe Q3, and the secondary signal output terminal HO of half-bridge driven chip IC 3 is connected with the control end (i.e. grid) of the second gauge tap pipe Q4; The input end of the first gauge tap pipe Q3 is connected with direct-flow input end 31 with the input end of the second gauge tap pipe Q4; The output head grounding of the first gauge tap pipe Q3, the output terminal of the second gauge tap pipe Q4 is connected with one end of electric capacity C16, the other end ground connection of electric capacity C16; Because change-over circuit 60 to realize the output of power by electric capacity C16, namely the output terminal of the second gauge tap pipe Q4 is connected with DC output end 34 by electric capacity C16.
The power end VDD of overcurrent protection chip IC 5 is connected with direct-flow input end 31 by voltage stabilizing chip TL431; the current detecting end VM of overcurrent protection chip IC 5 is connected with DC output end 34 by switching tube Q6, and the protecting control end DO of overcurrent protection chip IC 5 controls the break-make of whole change-over circuit 60 by switching tube Q7.
When the change-over circuit 60 of this specific embodiment works, the voltage signal that direct-flow input end 31 inputs, by after electric capacity C3 and electric capacity C7 filtering, is input to power end 12 pin, the power end VCC of half-bridge driven the chip IC 2 and power end VCC of half-bridge driven chip IC 3 that drive PWM controller chip IC1 respectively.First signal output part 8 pin of PWM controller chip IC1 and secondary signal output terminal 11 pin send the signal input part PWM of changeover control signal to half-bridge driven the chip IC 2 and signal input part PWM of half-bridge driven chip IC 3 respectively subsequently.The current potential of the changeover control signal of the changeover control signal being input to the signal input part PWM of half-bridge driven chip IC 2 and the signal input part PWM being input to half-bridge driven chip IC 3 contrary (when the changeover control signal being namely input to the signal input part PWM of half-bridge driven chip IC 2 is high level, the changeover control signal being input to the signal input part PWM of half-bridge driven chip IC 3 is low level).Make the synchronous boost module 33 belonging to half-bridge driven chip IC 3 also different with the duty at one time of the synchronous boost module 33 belonging to half-bridge driven chip IC 2 like this.
Synchronous boost module 33 belonging to half-bridge driven chip IC 3 is in energy storage state, then first gauge tap pipe Q3 conducting under the control of half-bridge driven chip IC 3, second gauge tap pipe Q4 disconnects under the control of half-bridge driven chip IC 3, inductance L 2 carries out the storage of energy, and the synchronous boost module 33 at this moment belonging to half-bridge driven chip IC 2 is in output state.Synchronous boost module 33 belonging to half-bridge driven chip IC 3 is in output state, then the first gauge tap pipe Q3 disconnects under the control of half-bridge driven chip IC 3, second gauge tap pipe Q4 conducting under the control of half-bridge driven chip IC 2, the energy of inductance L 2 carries out output release, namely carry out output function to electric capacity C16, the synchronous boost module 33 at this moment belonging to half-bridge driven chip IC 3 is in energy storage state.Synchronous boost module 33 belonging to such half-bridge driven chip IC 3 and the synchronous boost module 33 belonging to half-bridge driven chip IC 2 carry out power stage to electric capacity C16 successively, improve the conversion efficiency (can up to 97%) of this change-over circuit 60.
Simultaneously in this specific embodiment, the second gauge tap pipe Q2 and Q4 is adopted to instead of isolating diode D1 and D2 of the prior art, due to the R of the second gauge tap pipe Q2 and Q4
dSlow especially, as the R of the gauge tap pipe of model SI4164
dSbe generally 0.003 ohm to 0.004 ohm, therefore when the High-current output of 20A-30A, the power of loss is about about 3 watts, (forward voltage of fast recovery diode or Ultrafast recovery diode can reach 1.0 ~ 1.2V to be far smaller than the loss of isolating diode change-over circuit when low-voltage, High-current output, even if adopt the schottky diode of low pressure drop, also can produce the forward voltage drop of about 0.6V).Therefore the setting of the second gauge tap pipe Q2 and Q4 substantially increases the conversion efficiency of DC-DC transfer circuit 60 and there is not the dead zone voltage caused by Schottky barrier voltage, reduce the self-heating of DC-DC transfer circuit 60 simultaneously, make the design of DC-DC transfer circuit 60 can miniaturization more.
When the change-over circuit 60 of this specific embodiment works, output voltage feedback end 1 pin of PWM controller chip IC1 also can detect output voltage, and according to the size of output voltage, the working time of adjustment synchronous boost module 33, to ensure the stable of output voltage.Current detecting end VM simultaneously as overcurrent protection chip IC 5 detects that the output current of DC output end 34 is excessive, then switching tube Q7 disconnects by the protecting control end DO of overcurrent protection chip IC 5, avoids the parts in big current damage change-over circuit 60.
Vehicle-mounted radiator valve volume of the present invention is little, energy consumption is low, can be arranged on easily in car and carry out thermostatic control to the air in car.Solve existing vehicle-mounted temperature controller effectively to control temperature in automobile or vehicle interior temperature when winter or summer and to control cost too high technical matters.
The foregoing is only the preferred embodiments of the present invention, not in order to limit the present invention, all do in the spirit and principles in the present invention any amendment, equivalent to replace or improvement etc., all should be included in protection scope of the present invention.
Claims (10)
1. a vehicle-mounted radiator valve, is characterized in that, comprising:
Power supply source, powers for giving described vehicle-mounted radiator valve;
Change-over circuit, exports after carrying out DC boosting process to the voltage of described power supply source;
Temperature sensor, for detecting the temperature in automobile; And
Semiconductor thermostat, for the temperature detected according to described temperature sensor, the direct current using described change-over circuit to export freezes or heating operation to the air in described automobile.
2. vehicle-mounted radiator valve according to claim 1, is characterized in that, described power supply source comprises lithium battery group, automobile storage battery and solar panel.
3. vehicle-mounted radiator valve according to claim 2, it is characterized in that, described vehicle-mounted radiator valve also comprises control module, for determine to use described lithium battery group, described automobile storage battery and described solar panel at least one of them is powered, simultaneously also for using described solar panel to carry out charging operations to described lithium battery group to described vehicle-mounted thermostat.
4. vehicle-mounted radiator valve according to claim 3, is characterized in that, the use priority of described power supply source is followed successively by solar panel, lithium battery group and automobile storage battery from high to low.
5. vehicle-mounted radiator valve according to claim 3, is characterized in that, described control module also comprises storage battery protected location, for when the voltage of described automobile storage battery is lower than minimum setting value, stops powering to described vehicle-mounted radiator valve.
6. vehicle-mounted radiator valve according to claim 2, is characterized in that, described solar panel is transparent solar cell film, and described transparent solar cell film is arranged on the transparent vehicle window place of described automobile.
7. vehicle-mounted thermostat according to claim 1, is characterized in that, described change-over circuit comprises:
Direct-flow input end, for input direct voltage signal;
Control signal generation module, for generation of changeover control signal;
Two synchronous boost modules, it comprises at least one energy-storage units, for carrying out boosting process according to described changeover control signal to described d. c. voltage signal;
DC output end, for exporting the d. c. voltage signal after described synchronous boost module boosting process;
Described direct-flow input end respectively with described control signal generation module and described two synchronous boost model calling, described control signal generation module and described two synchronous boost model calling, described two synchronous boost modules are connected with described DC output end;
Wherein said two synchronous boost modules are parallel with one another, and one of them of two synchronous boost modules described in the same time carries out boosting process to described d. c. voltage signal.
8. vehicle-mounted thermostat according to claim 7, is characterized in that, the output power of each described synchronous boost module is 30 watts to 65 watts.
9. vehicle-mounted thermostat according to claim 8, is characterized in that, described synchronous boost module also comprises the half-bridge driven chip of model MIC4102, the first gauge tap pipe and the second gauge tap pipe;
Described half-bridge driven chip comprises signal input part, first signal output part and secondary signal output terminal, described signal input part is connected with described control signal generation module, described first signal output part is connected with the control end of described first gauge tap pipe, described secondary signal output terminal is connected with the control end of described second gauge tap pipe, the input end of described first gauge tap pipe is connected with described energy-storage units respectively with the input end of described second gauge tap pipe, the output head grounding of described first gauge tap pipe, the output terminal of described second gauge tap pipe is connected with described DC output end.
10. vehicle-mounted thermostat according to claim 8, it is characterized in that, described change-over circuit comprises at least n control signal generation module and at least 2n synchronous boost module, each described control signal generation module is the described synchronous boost model calling with two respectively, wherein n be greater than 1 integer; Described direct-flow input end respectively with all control signal generation modules and all synchronous boost model calling, all synchronous boost modules are connected with described DC output end;
Wherein corresponding with described control signal generation module described two synchronous boost modules are parallel with one another, and one of them of two synchronous boost modules described in the same time carries out boosting process to described d. c. voltage signal.
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|---|---|---|---|
| CN201510293392.XA CN105242705A (en) | 2015-06-02 | 2015-06-02 | Vehicle-mounted thermostat controller |
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| CN201510293392.XA CN105242705A (en) | 2015-06-02 | 2015-06-02 | Vehicle-mounted thermostat controller |
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| CN (1) | CN105242705A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4841735A (en) * | 1987-03-13 | 1989-06-27 | Kabushiki Kaisha Toshiba | Temperature controller and method of temperature control for use in a refrigerating device |
| CN2676261Y (en) * | 2003-12-12 | 2005-02-02 | 靳键云 | Indoor temperature automatic control device for tenement |
| CN203386082U (en) * | 2013-07-26 | 2014-01-08 | 深圳市至爱的科技发展有限公司 | Vehicle-mounted constant temperature controller |
| CN203443215U (en) * | 2013-07-26 | 2014-02-19 | 深圳市至爱的科技发展有限公司 | Portable constant temperature device |
-
2015
- 2015-06-02 CN CN201510293392.XA patent/CN105242705A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4841735A (en) * | 1987-03-13 | 1989-06-27 | Kabushiki Kaisha Toshiba | Temperature controller and method of temperature control for use in a refrigerating device |
| CN2676261Y (en) * | 2003-12-12 | 2005-02-02 | 靳键云 | Indoor temperature automatic control device for tenement |
| CN203386082U (en) * | 2013-07-26 | 2014-01-08 | 深圳市至爱的科技发展有限公司 | Vehicle-mounted constant temperature controller |
| CN203443215U (en) * | 2013-07-26 | 2014-02-19 | 深圳市至爱的科技发展有限公司 | Portable constant temperature device |
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