CN204757538U - Solar energy semiconductor refrigeration box with speech control - Google Patents
Solar energy semiconductor refrigeration box with speech control Download PDFInfo
- Publication number
- CN204757538U CN204757538U CN201520542738.0U CN201520542738U CN204757538U CN 204757538 U CN204757538 U CN 204757538U CN 201520542738 U CN201520542738 U CN 201520542738U CN 204757538 U CN204757538 U CN 204757538U
- Authority
- CN
- China
- Prior art keywords
- circuit
- refrigeration case
- heat
- refrigeration
- drive circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model provides a solar energy semiconductor refrigeration box with speech control, including refrigerating plant and control circuit, refrigerating plant includes drive circuit, semiconductor refrigeration piece, heat abstractor and refrigeration case box, drive circuit connect in the semiconductor refrigeration piece for control semiconductor refrigeration piece refrigeration, the semiconductor refrigeration piece is installed in the periphery of refrigeration case box, and heat abstractor installs the outside at the semiconductor refrigeration piece, control circuit includes solar cell panel, control adapter and singlechip and voice recognition circuit, solar cell panel connects in the control adapter for with solar energy conversion for supplying power to refrigerating plant behind the direct current, the singlechip is connected in drive circuit, is used for adjusting the refrigeration through the control to drive circuit, voice recognition circuit connects in the singlechip for discern outside pronunciation, and carry out temperature regulation and refrigeration / heating reservation according to outside pronunciation to the refrigeration case. Can effectively improve refrigeration efficiency to the reduction is to the pollution of environment.
Description
Technical field
The application relates to technical field of electric appliances, is specifically related to a kind of with voice-operated solar semiconductor refrigeration case.
Background technology
The refrigeration plant of the current overwhelming majority is all realize with the throttling expansion cooling of electrical energy drive compressor compresses cold-producing medium and refrigeration working medium object of freezing, this not only consumes a large amount of electric energy, also because of cold-producing mediums such as use fluorine Lyons, to environment, the focus that the energy conservation and environmental protection therefore in refrigeration plant becomes people's concern also is constantly sought to power with clean energy resource and is not used the refrigeration modes of the conventional refrigeration working medium such as fluorine Lyons simultaneously.The appearance of people's urgently a kind of refrigeration equipment.
Utility model content
In view of this, the main purpose of the utility model embodiment is that providing a kind of effectively can improve refrigerating efficiency with voice-operated solar semiconductor refrigeration case, and reduces the pollution to environment.
The utility model embodiment is achieved in that a kind of with voice-operated solar semiconductor refrigeration case, and comprise refrigerating plant and control circuit, described refrigerating plant comprises drive circuit, semiconductor chilling plate, heat abstractor and refrigeration case casing; Described drive circuit is connected to described semiconductor chilling plate, and for controlling semiconductor chilling plate refrigeration, described semiconductor chilling plate is installed on the periphery of described refrigeration case casing, and described heat abstractor is arranged on the outside of described semiconductor chilling plate; Described control circuit comprises solar panel, control adaptation and single-chip microcomputer and speech recognition circuit; Described solar panel is connected to control adaptation, and power to described refrigerating plant after solar energy is converted to direct current, described single-chip microcomputer is connected to described drive circuit, freezes to the control and regulation of drive circuit for passing through; Described speech recognition circuit is connected to described single-chip microcomputer, for identifying external voice, and carries out temperature adjustment and refrigeration or heat preengaging to refrigeration case according to described external voice.
Further, described refrigeration case cabinet shell is of a size of: 510*325*130mm, and interior space dimension is 330*265*100mm, and described casing periphery is made up of inner heat-conducting layer, intermediate thermal insulating layer and shell from the inside to surface successively; The shell of described refrigeration case casing is the cold-rolled steel sheet that 0.5mm is thick, and described inner heat-conducting layer is connected to the hot junction of described semiconductor chilling plate; Described intermediate thermal insulating layer is the high temperature resistant asbestos packing sheet that 5mm is thick, and thickness is 5mm; Described inner heat-conducting layer is the aluminium sheet that 1mm is thick.
Further, described semiconductor chilling plate is monolithic 150 watts of semiconductor chilling plates.
Further, described heat abstractor comprises 2 forced air cooling cooling fans and 1 heat-pipe radiator, and described 2 two forced air cooling cooling fans are placed in the both sides of described heat-pipe radiator respectively, and are clamped by described heat-pipe radiator.
Further, described refrigeration case cabinet wall also comprises one layer of heat preservation heat-proof device, described heat insulating device is made up of aluminium box heat-conducting layer, polyethylene thermal insulation layer and cold-rolled steel sheet shell to skin successively nexine, and the cold junction of described semiconductor chilling plate is connected on described aluminium box heat-conducting layer.
Further, described control circuit comprises lithium battery further, is connected to described control adaptation, for receiving the charging of solar panel.
Further, described control adaptation comprises three groups of input/output terminals further, and first group of input/output terminal sub-connection is connected to the both positive and negative polarity of described solar panel; The both positive and negative polarity of second group of input/output terminal sub-connection lithium battery, carries out charging by multiple tube Q1, multiple tube Q2 and controls; The both positive and negative polarity of the 3rd group of input/output terminal sub-connection semiconductor chilling plate, also comprises current sensor S1 and overload protection triode Q3 further between semiconductor chilling plate and the 3rd group of input and output terminal; Described matching controller also comprises short circuit overload reverse connection prevention protection circuit, was full of to put and automatically shuts down restoring circuit, lithium battery state load indicating circuit and failure indicating circuit.
Further, described control circuit also comprises temperature sensing circuit further, described temperature sensing circuit is connected to described single-chip microcomputer, for realizing single-chip microcomputer, the temperature of refrigeration case is controlled, described temperature sensing circuit comprises a temperature sensor further, and described temperature sensor is arranged in described refrigeration case casing.
Further, described drive circuit is H-bridge drive circuit, be connected between described semiconductor chilling plate and described single-chip microcomputer, described H-bridge drive circuit comprises PWM drive circuit and 4 metal-oxide-semiconductors and two-way LC filter circuit and forms, 4 outputs of PWM drive circuit are connected to the grid of 4 metal-oxide-semiconductors, 4 metal-oxide-semiconductors are that H type connects, and export and connect two-way LC filter circuit again.
Further, described speech recognition circuit is connected to described single-chip microcomputer by spi bus.
According to technique scheme, the utility model embodiment has following effect: energy resource supply mainly comes from solar energy, to achieve a kind of refrigeration modes of novel, energy-saving and environmental protection; Refrigeration case, by the flexible solar plate on its surface, is converted to electric energy solar energy and is effectively stored in lithium battery, then gives whole refrigeration system stable power-supplying by lithium battery, achieves a kind of refrigeration modes of novel, energy-saving and environmental protection.And in the stronger place of solar irradiation radiation, the energy resource supply of refrigeration case is more sufficient.Volume is little, lightweight, without the need to externally fed, realizes outdoor portable refrigeration.Be easy to carry, refrigerating/heating speed is fast.Adopt semiconductor refrigerating box refrigerating/heating rapid, have employed at cabinet wall the mode that aluminium box is connected directly between semiconductor cooler cold junction, fully increase the radiating surface of cold junction, add in top box the forced convertion having fan, make atmospheric heat cooled absorption rapidly in case, be delivered to hot junction.Hot-side heat dissipation device have employed the mode of heat pipe heat radiation, the heat in hot junction is diffused into rapidly in surrounding air, is similar to environment temperature.Solar powered semiconductor refrigerating box has intelligent constant-temperature function, and after startup refrigerating/heating, system, by measuring the refrigerating/heating power of air themperature and then adjustment refrigeration case in casing, makes the temperature inside the box be stabilized in preset temperature range.Man-machine interaction interface employs speech recognition system, controls or book setting, also can support multilingual control, facilitate personalized customization by speech recognition refrigeration case refrigerating/heating state.By corresponding data information such as LCD display display refrigeration the temperature inside the box, and voice control command menu.Realize more intelligent, more humane design concept.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, the other features, objects and advantages of the application will become more obvious:
Fig. 1 shows the structured flowchart of a kind of embodiment of the refrigeration case that the application provides;
Fig. 2 shows the structure chart of refrigeration case cabinet wall heat insulating device in a kind of embodiment that the application provides;
Fig. 3 shows the circuit diagram of the control adaptation in the embodiment that the application provides;
Fig. 4 shows the temperature control box control system workflow diagram in a kind of embodiment that the application provides;
Fig. 5 shows the circuit diagram of the drive circuit in a kind of embodiment that the application provides.
Detailed description of the invention
Below in conjunction with drawings and Examples, the application is described in further detail.Be understandable that, specific embodiment described herein is only for explaining relevant utility model, but not the restriction to this utility model.It also should be noted that, for convenience of description, in accompanying drawing, illustrate only the part relevant with relevant utility model.
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the application in detail in conjunction with the embodiments.
As shown in Figure 1, a kind of with voice-operated solar semiconductor refrigeration case, comprise refrigerating plant and control circuit, described refrigerating plant 1 comprises drive circuit 101, semiconductor chilling plate 102, heat abstractor 103 and refrigeration case casing 104; Described drive circuit connects 101 and is connected to described semiconductor chilling plate 102, freeze for controlling semiconductor chilling plate 102, described semiconductor chilling plate 102 is installed on the periphery of described refrigeration case casing 104, and described heat abstractor 103 is arranged on the outside of described semiconductor chilling plate; Described control circuit 2 comprises solar panel 201, controls adaptation 202, single-chip microcomputer 204 and speech recognition circuit 205; Described solar panel 201 is connected to and controls adaptation 202, after solar energy is converted to direct current, described refrigerating plant is powered, described single-chip microcomputer 204 is connected to described drive circuit 101, freezes to the control and regulation of drive circuit 101 for passing through; Described speech recognition circuit 205 is connected to described single-chip microcomputer 204, for identifying external voice, and carries out temperature adjustment and refrigeration or heat preengaging to refrigeration case according to described external voice.
Specifically, control circuit is the important component part of electromechanical integrated product, mainly realizes the function such as information processing and control circui.In addition, the electromechanical integrated product of high-quality, the operation of its internal part, equipment also just can will be achieved under the control of control system and coordination.Control system is normally by controlled device, sensor and checkout gear, control device and the entirety that drives actuating unit to form.
The control system of electromechanical integrated product usually with temperature, position, pressure, speed or acceleration for control object, after control instruction conversion is amplified, by driving the action being converted to execution unit, and ensure the quick, accurate and efficient of actuating unit action.The control core of native system selects Single-chip Controlling, and operation display interface adopts LCD display, and execution unit is mainly semiconductor cooling device, and the heat abstractor that semiconductor refrigerating is supporting.The conversion of semiconductor cooling device heating and refrigeration exports PWM control H-bridge drive circuit by single-chip microcomputer and controls, and temperature data real-time in space is gathered by temperature sensor.Man-machine interface realizes primarily of speech recognition system.
LCD display completes the monitoring of the running status of actuating unit in the display of real time temperature in temperature control box and temperature control box.In use procedure, operating personnel complete the setting of temperature parameter by Voice command.Meanwhile, system also possesses overload alarm function, and warning message is also undertaken showing and gathering by touch-screen.
Singlechip controller is mainly used in realizing the input of temperature signal, storage and display; The output of control signal, controls the timely action of semiconductor cooling device, and then completes whole temperature control process.Because system is to the not requirement of temperature controlled precision, when thus designing hardware circuit, take the simplest and easy, to be convenient to realization most mode.
Described control circuit comprises an energy storage device 203 further, is connected to described control adaptation, and for receiving the charging of solar panel, energy storage device generally adopts high-capacity lithium battery to form.
Solar semiconductor refrigeration case produces direct current by photovoltaic cell opto-electronic conversion, drives semiconductor chilling plate refrigeration, and the advantage of this mode is that power source loads matching is good, control is simple.The application of solar energy, easily by the impact of various factors, is unfavorable for working long hours.In order to realize work stable, efficient, lasting between power supply and load, raising power supply quality, needs a kind of reliably, efficient solar-electricity source controller of design and energy storage device.Solar cell exports direct current, a part directly semiconductor supply refrigerating plant, and another part is stored in energy storage device, uses for cloudy day or evening, makes system can round-the-clock normal operation.Solar panel selects monocrystaline silicon solar cell, selects quantity and the model of cell panel according to refrigerating plant power demand.Controlling adaptation makes the Energy Transfer of whole system be in optimum Match state all the time, simultaneously to the overcharging of energy storage device (lithium battery), cross and put row into and control, and by the power output of Single-chip Controlling drive circuit, thus semiconductor refrigerating amount can be controlled.Utilize the measured value of SCM program accounting temperature and the deviation of preset value, control the output voltage of drive circuit, also just control the power output of semiconductor cooler, reach temperature controlled effect.
The utility model preferred embodiment, above-mentioned refrigeration case cabinet shell is of a size of: 510*325*130mm, and interior space dimension is 330*265*100mm, and described casing periphery is made up of inner heat-conducting layer, intermediate thermal insulating layer and shell from the inside to surface successively; The shell of described refrigeration case casing is the cold-rolled steel sheet that 0.5mm is thick, and described inner heat-conducting layer is connected to the hot junction of described semiconductor chilling plate; Described intermediate thermal insulating layer is the high temperature resistant asbestos packing sheet that 5mm is thick, and thickness is 5mm; Described inner heat-conducting layer is the aluminium sheet that 1mm is thick.The leaking heat of refrigeration case comprises two parts: by the leaking heat of cabinet insulation thermal insulation layer, and through the leaking heat of case lid and box sealing bar, box inner structure is formed.The leaking heat cabinet shell of cabinet insulation thermal insulation layer adopts the cold-rolled steel sheet that 0.5mm is thick, and shell is very thin.Its heat conductivity value is very large, and thermal resistance is very little, negligible.Intermediate thermal insulating layer adopts high temperature resistant asbestos packing sheet, and thickness is 5mm, also very thin, and asbestos board thermal conductivity is also larger, its thickness can be counted heat-insulation layer and calculate together.Inner heat-conducting layer adopts the aluminium sheet that 1mm is thick, and its heat conductivity value is very large, fully atmospheric heat in refrigeration case can be transmitted to cooling piece, reach better refrigeration.
The semiconductor chilling plate that the utility model embodiment provides can be single-stage semiconductor chilling plate and multilevel semiconductor cooling piece.Single-stage semiconductor chilling plate refers to the individual layer thermoelectric cooling assembly only having a hot side and a huyashi-chuuka (cold chinese-style noodles).In order to obtain the larger temperature difference or the larger coefficient of performance, the hot misfortune of cold junction of the hot junction of upper level thermoelectric cooling assembly and next stage thermoelectric cooling assembly closed, the multi-level assembly that so superposition is formed is called as multilevel semiconductor cooling piece.The refrigerating capacity of cooling piece depends primarily on and thermoelectric material physical property and operating current
.Under normal circumstances, the maximum current value that cooling piece allows is close to this recommended current, but voltage has reached the maximum functional limit when not reaching this electric current, so when dispelling the heat good, cooling piece is operated in rated voltage can ensure maximum refrigerating capacity.But because hot junction caloric value when cooling piece works is very large, specific heat load can not reach theoretical value under normal circumstances, and therefore concrete operating mode also will be tested by experiment.The refrigeratory capacity of semiconductor chilling plate should be greater than by cold consumption summation number in cooling object.Heat demand is in actual applications larger than theoretical value, and the utility model is preferably lowered the temperature to space with 1 150W semiconductor chilling plate.
The heat abstractor that the utility model provides, cold junction adopts forced air cooling heat radiation, and hot junction adopts heat pipe heat radiation to add the mode of forcing wind-cooling heat dissipating.Described heat abstractor comprises 2 forced air cooling cooling fans and 1 heat-pipe radiator, and described 2 two forced air cooling cooling fans are placed in the both sides of described heat-pipe radiator respectively, and are clamped by described heat-pipe radiator.Specifically, in the forced air cooling radiating mode that the present embodiment adopts.Semiconductor chilling plate cold junction fin adopts rib-type fin, and specification is 80*60*40mm.The pressure air-cooler selected is axial flow blower.By the air-out direction of blower fan, blower fan probably can be divided into two kinds, axial-flow type and centrifugal.In view of the blower fan structure of two kinds of forms is different, the feature of axial flow blower is more suitable for that gas-flow resistance is low, the occasion of capacity stablizes.The preferred axial flow blower of the present embodiment, specification is 40*40mm, power DC12V, 0.1A, carries out cold junction air blast cooling heat radiation.Hot junction adopts rib-type fin equally, and fin specification is 80*60*40mm.Select axial fan, specification is 90*90mm, and power is that hot-side heat dissipation device and blower fan are placed in casing outside by DC12V, 0.18A., guarantees that the heat in hot junction can not import among casing, affects refrigeration.Heat pipe heat radiation.This radiating mode is the one of phase-change heat, is the radiating mode utilizing the phase-state change of phase-change material to absorb heat.Under identical air velocity, the Average convection coefficient of finned fin is than large nearly one times of heat pipe-type heat radiation, but the effective area of heat pipe heat radiation is but finned 4 times.Native system semiconductor chilling plate hot-side heat dissipation adopts the heat radiation of forced air cooling heat radiation heating tube, clips heat-pipe radiator to reach best radiating effect by two blower fans.
The refrigeration case cabinet wall that the utility model provides also comprises one layer of heat preservation heat-proof device, as shown in Figure 2, described heat insulating device is made up of aluminium box heat-conducting layer 303, polyethylene thermal insulation layer 302 and cold-rolled steel sheet shell 301 to skin successively nexine, and the cold junction 304 of described semiconductor chilling plate is connected on described aluminium box heat-conducting layer.Insulation material and Heat Conduction Material are embedded among casing, case lid by native system, and cabinet wall structure forms primarily of trilaminate material, and shell is the cold-rolled steel sheet that 4mm is thick.Moderate soak layer is polyethylene foam sheet, and heat-conducting layer is aluminium sheet.Well can not only realize insulation heat conduction function, also can save space simultaneously.The insulation material that casing is selected is polyethylene insulation material.Polytene heat-insulation material is the insulating product adopting special process to make, it is a kind of high performance energy-saving material, under the same conditions, materials are economized than other material, its inner cell is hole-closing structure, there is the characteristics such as insulation, moisturizing, anti-aging, anti-condensation, and quick and easy for installation, and the temperature for system keeps providing reliable guarantee.The Heat Conduction Material of system selects aluminium sheet.This material thermal conductivity value is very large, fully atmospheric heat in refrigeration case can be transmitted to cooling piece, reach better refrigeration.
The solar cell that the utility model embodiment provides, according to system power situation and light application time, design solar panel.According to cell panel performance, the energy that solar cell produces is controlled.Solar semiconductor refrigeration device adopts 18V, 36w, and conversion efficiency is the monocrystalline silicon flexible solar panel of 20%, operating current 2A.The installation of solar panels, main employing is embedded in the mode on refrigeration case surface, to reach joint space-efficient object, is convenient for carrying.
As shown in Figure 3, the control adaptation that the utility model provides comprises three groups of input/output terminals further, and first group of input/output terminal sub-connection is connected to the both positive and negative polarity of described solar panel; The both positive and negative polarity of second group of input/output terminal sub-connection lithium battery, carries out charging by multiple tube Q1, multiple tube Q2 and controls; The both positive and negative polarity of the 3rd group of input/output terminal sub-connection semiconductor chilling plate, also comprises current sensor S1 and overload protection triode Q3 further between semiconductor chilling plate and the 3rd group of input and output terminal; Described matching controller also comprises short circuit overload reverse connection prevention protection circuit, was full of to put and automatically shuts down restoring circuit, lithium battery state load indicating circuit and failure indicating circuit.Specifically, solar control adaptation is the control centre of power management, and it controls the charging and discharging state solar cell break-make of the refrigerating capacity lithium battery of semiconductor chilling plate.Controller has 6 lead-out terminals, respectively the connectivity port of the both positive and negative polarity of corresponding solar panel, the both positive and negative polarity of lithium battery and semiconductor chilling plate.Controller has short circuit and transships anti-reverse protection, is full of and puts global function safeguard measures such as automatically shutting down recovery, having charging instruction lithium battery state load and various indicating fault.The parameter being related to lithium battery capacity by the terminal voltage discharge current environment temperature etc. of MCU to lithium battery is sampled, and is calculated by Controlling model, and the discharge rate temperature-compensating correction high-accuracy realizing meeting lithium battery characteristic controls.Charging adopts efficient PWM mode, carries out charging and controls, ensure that lithium battery is operated in optimum state by multiple tube Q1, Q2, and the service life that substantially prolongs lithium battery measures output current by current sensor S1, and triode Q3 realizes overload protection.
The control circuit that the utility model embodiment provides also comprises temperature sensing circuit further, described temperature sensing circuit is connected to described single-chip microcomputer, for realizing single-chip microcomputer, the temperature of refrigeration case is controlled, described temperature sensing circuit comprises a temperature sensor further, and described temperature sensor is arranged in described refrigeration case casing.Specifically, sensor is the instrument of obtaining information, is the primary parts of information acquisition system, is also to realize modernization to measure and the automatic important step controlled simultaneously.Sensing technology is that control system detects the most crucial technology of various parameter.Vehicles Collected from Market upper sensor of a great variety, chooses suitable sensor and well can not only complete Detection task, can also improve accuracy of detection, simplified control circuit.DS18B20 digital thermometer selected by temperature sensor in native system.
The STM32F103RC single-chip microcomputer that the single-chip microcomputer that the utility model provides adopts macrocrystalline company to produce, this single-chip microcomputer uses the RISC kernel of high performance ARM Cortex-M332 position, operating frequency is 72MHz, internal high-speed memories (up to the flash memory of 512K byte and the SRAM of 64K byte), abundant enhancing I/O port and the peripheral hardware being connected to two APB buses.The device of all models all comprises the ADC of 3 12,4 general 16 bit timing devices and 2 PWM timers, also comprises standard and advanced communication interface: nearly 2 I2C interfaces, 3 SPI interfaces, 2 I2S interfaces, 1 SDIO interface, 5 USART interfaces, a USB interface and CAN interfaces.
The drive circuit that the utility model embodiment provides is H-bridge drive circuit, be connected between described semiconductor chilling plate and described single-chip microcomputer, described H-bridge drive circuit comprises PWM drive circuit and 4 metal-oxide-semiconductors and two-way LC filter circuit and forms, 4 outputs of PWM drive circuit are connected to the grid of 4 metal-oxide-semiconductors, 4 metal-oxide-semiconductors are that H type connects, and export and connect two-way LC filter circuit again.Specifically, the H-bridge drive circuit that power drive part adopts 2 IR2110 and four IRF3205MOS pipes to form drives semiconductor chilling plate, as shown in Figure 5.IR2110 is high-power MOSFET tube and the IGBT special driving chip of the production of IR company, and this chip has independently high low side simultaneously and exports binary channels, and suspended power supply adopts boostrap circuit, and high-end operating voltage can reach 500v.These characteristics of IR2110 can bring a lot of convenience for the design of drive circuit.IRF3205 selected by MOSFET pipe, and its maximum working voltage is 55v, and maximum current is 110A, and conducting resistance is 17.5
.Its chips HIN, LIN are the drive pulse signal input of two power devices up and down of brachium pontis, are connected with the I/O mouth of single-chip microcomputer.HO, LO export the pwm signal of driven MOS pipe.Work as PWM1=1, Q1, Q4 conducting when PWM2=0, PWM3=0, PWM4=1, Q2, Q3 end, and semiconductor chilling plate starts refrigeration; Work as PWM1=0, when PWM2=1, PWM3=1, PWM4=0, Q2, Q3 conducting, Q1, Q4 end, semiconductor refrigeration chip heating.And work as PWM1=0, when PWM2=0, PWM3=0, PWM4=0, semiconductor chilling plate is closed.It should be noted that cooling piece just operationally must not change voltage direction instantaneously, after stopping 5min, then backward voltage must be led to.
The speech recognition circuit that the utility model embodiment provides is connected to described single-chip microcomputer by spi bus.SPI is a kind of high speed, full duplex, synchronous communication bus, and on the pin of chip, only take four lines, save the pin of chip, simultaneously for the layout of PCB saves space, provided convenience, just for this characteristic be simple and easy to, now this communication protocol of increasing integrated chip.SPI interface has 4 holding wires, respectively: device selection line, clock line, SOD serial output data line, serial input data line.Speech recognition circuit adopts LD3320 chip to form.
As shown in Figure 4, temperature control box control system specific works process is: start peak power refrigeration (or heating) after start, the current temperature of temperature control box is gathered by temperature sensor, the signal collected is through excess temperature detection circuit, convert suitable signal to and send into single-chip microcomputer, the single-chip microcomputer selected due to native system carries A/D conversion, so the signal after conditioning directly accesses single-chip microcomputer, then compare with the temperature bound pre-set, judge, if temperature is in rational temperature range, then only real time temperature, duty are shown; When temperature drops to the lower limit of setting, singlechip controller regulation output PWM pulsewidth, thus change H-bridge drive circuit power output, to reach the stable of space temperature in case and to reduce power consumption, meanwhile, LCD display display reminding temperature reaches predetermined value.User arranges predetermined temperature or refrigerating/heating reservation by speech recognition system.Speech recognition can support multilingual control, facilitates personalized customization, such as, can be the dialects such as Guangdong language, Sichuan words, or the foreign language such as English, Portuguese controls.LCD display carries out Real-Time Monitoring to temperature, Real Time Observation temperature curve, and warning message.
More than describe and be only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art are to be understood that, utility model scope involved in the application, be not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should be encompassed in when not departing from the design of described utility model simultaneously, be undertaken being combined by above-mentioned technical characteristic or its equivalent feature and other technical scheme of being formed.The technical characteristic that such as, disclosed in above-mentioned feature and the application (but being not limited to) has similar functions is replaced mutually and the technical scheme formed.
Claims (10)
1. with a voice-operated solar semiconductor refrigeration case, it is characterized in that, comprise refrigerating plant and control circuit, described refrigerating plant comprises drive circuit, semiconductor chilling plate, heat abstractor and refrigeration case casing; Described drive circuit is connected to described semiconductor chilling plate, and for controlling semiconductor chilling plate refrigeration, described semiconductor chilling plate is installed on the periphery of described refrigeration case casing, and described heat abstractor is arranged on the outside of described semiconductor chilling plate; Described control circuit comprises solar panel, control adaptation and single-chip microcomputer and speech recognition circuit; Described solar panel is connected to control adaptation, and power to described refrigerating plant after solar energy is converted to direct current, described single-chip microcomputer is connected to described drive circuit, freezes to the control and regulation of drive circuit for passing through; Described speech recognition circuit is connected to described single-chip microcomputer, for identifying external voice, and carries out temperature adjustment and refrigeration or heat preengaging to refrigeration case according to described external voice.
2. according to claim 1 with voice-operated solar semiconductor refrigeration case, it is characterized in that, described refrigeration case cabinet shell is of a size of: 510*325*130mm, interior space dimension is 330*265*100mm, and described casing periphery is made up of inner heat-conducting layer, intermediate thermal insulating layer and shell from the inside to surface successively; The shell of described refrigeration case casing is the cold-rolled steel sheet that 0.5mm is thick, and described inner heat-conducting layer is connected to the hot junction of described semiconductor chilling plate; Described intermediate thermal insulating layer is the high temperature resistant asbestos packing sheet that 5mm is thick, and thickness is 5mm; Described inner heat-conducting layer is the aluminium sheet that 1mm is thick.
3. according to claim 1ly it is characterized in that with voice-operated solar semiconductor refrigeration case, described semiconductor chilling plate is monolithic 150 watts of semiconductor chilling plates.
4. according to claim 1 with voice-operated solar semiconductor refrigeration case, it is characterized in that, described heat abstractor comprises 2 forced air cooling cooling fans and 1 heat-pipe radiator, described 2 two forced air cooling cooling fans are placed in the both sides of described heat-pipe radiator respectively, and are clamped by described heat-pipe radiator.
5. according to claim 1 with voice-operated solar semiconductor refrigeration case, it is characterized in that, described refrigeration case cabinet wall also comprises one layer of heat preservation heat-proof device, described heat insulating device is made up of aluminium box heat-conducting layer, polyethylene thermal insulation layer and cold-rolled steel sheet shell to skin successively nexine, and the cold junction of described semiconductor chilling plate is connected on described aluminium box heat-conducting layer.
6. according to claim 1ly it is characterized in that with voice-operated solar semiconductor refrigeration case, described control circuit comprises lithium battery further, is connected to described control adaptation, for receiving the charging of solar panel.
7. according to claim 1 with voice-operated solar semiconductor refrigeration case, it is characterized in that, described control adaptation comprises three groups of input/output terminals further, and first group of input/output terminal sub-connection is connected to the both positive and negative polarity of described solar panel; The both positive and negative polarity of second group of input/output terminal sub-connection lithium battery, carries out charging by multiple tube Q1, multiple tube Q2 and controls; The both positive and negative polarity of the 3rd group of input/output terminal sub-connection semiconductor chilling plate, also comprises current sensor S1 and overload protection triode Q3 further between semiconductor chilling plate and the 3rd group of input and output terminal; Described matching controller also comprises short circuit overload reverse connection prevention protection circuit, was full of to put and automatically shuts down restoring circuit, lithium battery state load indicating circuit and failure indicating circuit.
8. according to claim 1 with voice-operated solar semiconductor refrigeration case, it is characterized in that, described control circuit also comprises temperature sensing circuit further, described temperature sensing circuit is connected to described single-chip microcomputer, for realizing single-chip microcomputer, the temperature of refrigeration case is controlled, described temperature sensing circuit comprises a temperature sensor further, and described temperature sensor is arranged in described refrigeration case casing.
9. according to claim 1 with voice-operated solar semiconductor refrigeration case, it is characterized in that, described drive circuit is H-bridge drive circuit, be connected between described semiconductor chilling plate and described single-chip microcomputer, described H-bridge drive circuit comprises PWM drive circuit and 4 metal-oxide-semiconductors and two-way LC filter circuit and forms, 4 outputs of PWM drive circuit are connected to the grid of 4 metal-oxide-semiconductors, and 4 metal-oxide-semiconductors are that H type connects, and export and connect two-way LC filter circuit again.
10. according to claim 1ly it is characterized in that with voice-operated solar semiconductor refrigeration case, described speech recognition circuit is connected to described single-chip microcomputer by spi bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520542738.0U CN204757538U (en) | 2015-07-24 | 2015-07-24 | Solar energy semiconductor refrigeration box with speech control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520542738.0U CN204757538U (en) | 2015-07-24 | 2015-07-24 | Solar energy semiconductor refrigeration box with speech control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204757538U true CN204757538U (en) | 2015-11-11 |
Family
ID=54472239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520542738.0U Expired - Fee Related CN204757538U (en) | 2015-07-24 | 2015-07-24 | Solar energy semiconductor refrigeration box with speech control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204757538U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299950A (en) * | 2015-11-12 | 2016-02-03 | 华南理工大学 | Solar semiconductor refrigerating system |
| CN105700587A (en) * | 2016-01-26 | 2016-06-22 | 山东科技大学 | A thermostatic control system for lithium battery performance tests |
| CN107092286A (en) * | 2017-06-23 | 2017-08-25 | 无锡职业技术学院 | A kind of intelligent micro semiconductor high low incubator |
| CN107316577A (en) * | 2017-07-27 | 2017-11-03 | 广东欧珀移动通信有限公司 | Lamp box |
| CN109301368A (en) * | 2018-10-18 | 2019-02-01 | 瞿志刚 | New-energy electric vehicle battery integrated thermal management system and control method |
| CN109883568A (en) * | 2019-02-12 | 2019-06-14 | 辽宁达能电气股份有限公司 | A kind of constant temperature box device based on temperature-measuring system of distributed fibers |
| CN110109495A (en) * | 2019-05-07 | 2019-08-09 | 南京邮电大学 | A kind of automatic temperature-controlled case based on semiconductor refrigerating technology |
| CN113412037A (en) * | 2021-07-20 | 2021-09-17 | 曾健明 | Semiconductor heat dissipation device and method for mobile terminal electronic product |
-
2015
- 2015-07-24 CN CN201520542738.0U patent/CN204757538U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299950A (en) * | 2015-11-12 | 2016-02-03 | 华南理工大学 | Solar semiconductor refrigerating system |
| CN105299950B (en) * | 2015-11-12 | 2018-07-20 | 华南理工大学 | A kind of solar semiconductor refrigeration system |
| CN105700587A (en) * | 2016-01-26 | 2016-06-22 | 山东科技大学 | A thermostatic control system for lithium battery performance tests |
| CN107092286A (en) * | 2017-06-23 | 2017-08-25 | 无锡职业技术学院 | A kind of intelligent micro semiconductor high low incubator |
| CN107316577A (en) * | 2017-07-27 | 2017-11-03 | 广东欧珀移动通信有限公司 | Lamp box |
| CN109301368A (en) * | 2018-10-18 | 2019-02-01 | 瞿志刚 | New-energy electric vehicle battery integrated thermal management system and control method |
| CN109883568A (en) * | 2019-02-12 | 2019-06-14 | 辽宁达能电气股份有限公司 | A kind of constant temperature box device based on temperature-measuring system of distributed fibers |
| CN110109495A (en) * | 2019-05-07 | 2019-08-09 | 南京邮电大学 | A kind of automatic temperature-controlled case based on semiconductor refrigerating technology |
| CN113412037A (en) * | 2021-07-20 | 2021-09-17 | 曾健明 | Semiconductor heat dissipation device and method for mobile terminal electronic product |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204757538U (en) | Solar energy semiconductor refrigeration box with speech control | |
| CN101868135B (en) | External air conditioner cabinet for communication device user | |
| CN204993246U (en) | Photovoltaic module backplate cooling system | |
| WO2009089667A1 (en) | Solar-powered automobile temperature regulator | |
| CN204361707U (en) | A kind of intelligent temperature control battery case | |
| CN104331136A (en) | Self-sufficient power supply and speed control method of notebook cooler | |
| CN103697552A (en) | Air-conditioning system suitable for communication base station and air conditioning method | |
| CN105299950B (en) | A kind of solar semiconductor refrigeration system | |
| CN205718139U (en) | A kind of portable type solar energy refrigeration case | |
| CN201825395U (en) | Semiconductor refrigeration box | |
| CN103426343B (en) | Photovoltaic research workbench and house model integrative experimental system | |
| CN205209001U (en) | Energy -concerving and environment -protective type refrigerating plant | |
| CN201993659U (en) | Water cooling intelligent constant-temperature control case | |
| CN200950376Y (en) | Radiator fin type transformer | |
| CN103968499A (en) | Communication machine room temperature control device and method | |
| CN205779506U (en) | A kind of wind generating set engine room | |
| CN104331110A (en) | Greenhouse temperature adjusting method based on semiconductor temperature control system | |
| CN104456939A (en) | Solar water heater | |
| CN210630103U (en) | Outdoor temperature-controllable electrical cabinet | |
| CN1587868A (en) | Solar energy semiconductor air conditioning system | |
| CN204074093U (en) | The warm and humid module of chamber | |
| CN207635640U (en) | A kind of refrigerating and heating systems of energy saving self power generation | |
| CN104214875A (en) | Semiconductor air conditioner | |
| CN2881751Y (en) | Temp compensation type air-conditioning electric saver | |
| CN203964127U (en) | Intelligent power saving heating machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20160724 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |