CN105811570A - Mobile refrigeration device and power supply switching method and device thereof - Google Patents
Mobile refrigeration device and power supply switching method and device thereof Download PDFInfo
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- CN105811570A CN105811570A CN201610139915.XA CN201610139915A CN105811570A CN 105811570 A CN105811570 A CN 105811570A CN 201610139915 A CN201610139915 A CN 201610139915A CN 105811570 A CN105811570 A CN 105811570A
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- refrigeration equipment
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a mobile refrigeration device and a power supply switching method and device thereof. The power supply switching method of the mobile refrigeration device comprises the steps of: detecting whether the mobile refrigeration device is connected with commercial power; detecting the electric quantity of a storage battery in the mobile refrigeration device; judging whether the electric quantity of the storage battery in the mobile refrigeration device is larger than a preset discharge threshold; and if the electric quantity of the storage battery is determined to be larger than the preset discharge threshold and the mobile refrigeration device is not connected with the commercial power, controlling the storage battery to enter a discharge state and supply power to the mobile refrigeration device. According to the invention, the problem in the related technology that the operation is inconvenient since the power supply of the mobile refrigeration device is selected by means of manual rotation of a switch is solved.
Description
Technical field
The present invention relates to appliance field, in particular to a kind of mobile refrigeration equipment and power-supply switching method thereof and device.
Background technology
Mobile refrigeration equipment needs accumulator to provide power supply when equipment cannot connect civil power for equipment, but the discharge and recharge that existing mobile refrigeration equipment controls accumulator needs the switch rotating a special configuration to be operated, the charging and discharging state of switching accumulator, select civil power that equipment is powered or equipment is powered by accumulator, complicated operation.
For in correlation technique manually rotary switch select mobile refrigeration equipment power supply cause unhandy problem, effective solution is not yet proposed at present.
Summary of the invention
Present invention is primarily targeted at a kind of mobile refrigeration equipment of offer and power-supply switching method thereof and device, the power supply to solve manually rotary switch selection mobile refrigeration equipment in correlation technique causes unhandy problem.
To achieve these goals, according to an aspect of the invention, it is provided the power-supply switching method of a kind of mobile refrigeration equipment.The method includes: whether detection mobile refrigeration equipment connects civil power；The electricity of accumulator in detection mobile refrigeration equipment；Judge that in mobile refrigeration equipment, whether the electricity of accumulator is more than default discharge threshold；And if it is judged that the electricity of accumulator does not connect civil power more than default discharge threshold and mobile refrigeration equipment, controlling accumulator entrance discharge condition is that mobile refrigeration equipment is powered.
Further, in detection mobile refrigeration equipment after the electricity of accumulator, the method also includes: judge that in mobile refrigeration equipment, whether the electricity of accumulator is less than preset charged threshold value；And if it is judged that the electricity of accumulator connects civil power less than preset charged threshold value and mobile refrigeration equipment, control accumulator and enter charged state.
Further, in detection mobile refrigeration equipment before the electricity of accumulator, the method also includes: whether detection accumulator accesses in mobile refrigeration equipment, wherein, if be detected that accumulator accesses in mobile refrigeration equipment, then the electricity of accumulator in detection mobile refrigeration equipment.
Further, after whether detection mobile refrigeration equipment connects civil power, the method also includes: when judging mobile refrigeration equipment connection civil power, control mobile refrigeration equipment by mains-supplied.
Further, it is before mobile refrigeration equipment is powered controlling accumulator entrance discharge condition, the method also includes: whether the facility switching in detection mobile refrigeration equipment turns on, wherein, facility switching is used for selecting whether mobile refrigeration equipment works, wherein, when detecting that facility switching turns on, if it is judged that the electricity of accumulator does not connect civil power more than default discharge threshold and mobile refrigeration equipment, controlling accumulator entrance discharge condition is that mobile refrigeration equipment is powered.
Further, entering discharge condition in control accumulator is that after mobile refrigeration equipment is powered, the method also includes: judge that whether the electricity of accumulator is less than default alert threshold；And if it is judged that the electricity of accumulator is less than default alert threshold, controls mobile refrigeration equipment and quit work, and send alarm.
To achieve these goals, according to an aspect of the invention, it is provided the power transfer device of a kind of mobile refrigeration equipment.This device includes: accumulator, for providing supply voltage for mobile refrigeration equipment；Power management chip, it is connected with accumulator, for detecting whether mobile refrigeration equipment connects the electricity of accumulator in civil power and mobile refrigeration equipment, judge that in mobile refrigeration equipment, whether the electricity of accumulator is more than default discharge threshold, wherein, when the electricity judging accumulator does not connect civil power more than default discharge threshold and mobile refrigeration equipment, controlling accumulator entrance discharge condition is that mobile refrigeration equipment is powered.
Further, power management chip is integrated in accumulator.
Further, this device also includes: siren, is connected with power management chip, for sending alarm when power management chip judges the electricity of accumulator lower than default alert threshold.
To achieve these goals, according to an aspect of the invention, it is provided a kind of mobile refrigeration equipment.This equipment includes the power transfer device of the mobile refrigeration equipment of the present invention.
To achieve these goals, according to an aspect of the invention, it is provided a kind of mobile refrigeration equipment.This equipment includes: switch power source adapter, for civil power is converted to the supply voltage of mobile refrigeration equipment；Accumulator, for providing supply voltage for mobile refrigeration equipment；Power management chip, it is connected with accumulator, it is connected with switch power source adapter, for detecting whether mobile refrigeration equipment connects the electricity of accumulator in civil power and mobile refrigeration equipment, judge that in mobile refrigeration equipment, whether the electricity of accumulator is more than default discharge threshold, wherein, when the electricity judging accumulator does not connect civil power more than default discharge threshold and mobile refrigeration equipment, controlling accumulator entrance discharge condition is that mobile refrigeration equipment is powered；And controller, it is connected with switch power source adapter and accumulator, is used for controlling mobile refrigeration equipment work, wherein, switch power source adapter and accumulator are for providing supply voltage for controller.
Further, this equipment also includes: facility switching, facility switching has be connected with controller first and selects end, and second be connected with accumulator and switch power source adapter selects end, for whether selection control connects with accumulator and switch power source adapter.
The present invention is by detecting whether mobile refrigeration equipment connects civil power；The electricity of accumulator in detection mobile refrigeration equipment；Judge that in mobile refrigeration equipment, whether the electricity of accumulator is more than default discharge threshold；And if it is judged that the electricity of accumulator does not connect civil power more than default discharge threshold and mobile refrigeration equipment, controlling accumulator entrance discharge condition is that mobile refrigeration equipment is powered, the power supply solving manually rotary switch selection mobile refrigeration equipment in correlation technique causes unhandy problem, and then has reached the effect of the power supply of automatic switchover mobile refrigeration equipment.
Accompanying drawing explanation
The accompanying drawing constituting the part of the application is used for providing a further understanding of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the power-supply switching method of mobile refrigeration equipment according to embodiments of the present invention；
Fig. 2 is the schematic diagram of the power transfer device of mobile refrigeration equipment according to embodiments of the present invention；
Fig. 3 is the schematic diagram of mobile refrigeration equipment according to a first embodiment of the present invention；And
Fig. 4 is the schematic diagram of mobile refrigeration equipment according to a second embodiment of the present invention.
Detailed description of the invention
It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In order to make those skilled in the art be more fully understood that the application scheme, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the embodiment of the application part, rather than whole embodiments.Based on the embodiment in the application, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, all should belong to the scope of the application protection.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, " second " etc. are for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that the data of so use can be exchanged in the appropriate case, in order to embodiments herein described herein.In addition, term " includes " and " having " and their any deformation, it is intended to cover non-exclusive comprising, such as, contain series of steps or the process of unit, method, system, product or equipment be not necessarily limited to those steps or the unit clearly listed, but can include clearly not listing or for intrinsic other step of these processes, method, product or equipment or unit.
The embodiment provides the power-supply switching method of a kind of mobile refrigeration equipment.
Fig. 1 is the flow chart of the power-supply switching method of mobile refrigeration equipment according to embodiments of the present invention.As it is shown in figure 1, the method comprises the following steps:
Step S101, whether detection mobile refrigeration equipment connects civil power.
Mobile refrigeration equipment is the equipment that can provide refrigerating function when not having civil power, for instance, mobile icebox, mobile wine cabinet, vehicle-mounted refrigerator-freezer etc., wherein, civil power refers to public network electric power.Whether detection mobile refrigeration equipment connects civil power can be through the interface chip of mobile refrigeration equipment and detects, it is thus achieved that detection signal, judges whether mobile refrigeration equipment connects civil power by this detection signal.
Step S102, the electricity of accumulator in detection mobile refrigeration equipment.
Accumulator is used for storing electric energy, and provides running voltage by the electric energy stored for mobile refrigeration equipment.The electricity of accumulator can adopt general power management chip (PowerManagementIntegratedCircuits) to detect.Detection accesses the electricity of the accumulator in mobile refrigeration equipment, obtains testing result.
Step S103, it is judged that in mobile refrigeration equipment, whether the electricity of accumulator is more than default discharge threshold.
In detecting mobile refrigeration equipment after the electricity of accumulator, it is judged that in mobile refrigeration equipment, whether the electricity of accumulator is more than default discharge threshold.Default discharge threshold can be the power threshold pre-set, for as the benchmark judged.Default discharge threshold is the electricity benchmark that accumulator needs to enter discharge condition, and when the electricity of accumulator is more than default discharge threshold, accumulator enters discharge condition.Accumulator provides running voltage to the electricity consumption module in mobile refrigeration equipment in the discharged condition.
Step S104, if it is judged that the electricity of accumulator does not connect civil power more than default discharge threshold and mobile refrigeration equipment, controlling accumulator entrance discharge condition is that mobile refrigeration equipment is powered.
After whether detection mobile refrigeration equipment connects civil power and judges in mobile refrigeration equipment that whether the electricity of accumulator is more than default discharge threshold, if it is judged that the electricity of accumulator does not connect civil power more than default discharge threshold and mobile refrigeration equipment, controlling accumulator entrance discharge condition is that mobile refrigeration equipment is powered.
Preferably, when judging described mobile refrigeration equipment connection civil power, described mobile refrigeration equipment is controlled by mains-supplied.
Preferably, in detection mobile refrigeration equipment after the electricity of accumulator, it is judged that in mobile refrigeration equipment, whether the electricity of accumulator is less than preset charged threshold value.Preset charged threshold value can be the power threshold pre-set, be accumulator need enter charged state electricity benchmark, when the electricity of accumulator is less than preset charged threshold value accumulator enter charged state..Accumulator is provided charging voltage to be charged by civil power in the charge state.After whether detection mobile refrigeration equipment connects civil power and judges in mobile refrigeration equipment that whether the electricity of accumulator is less than preset charged threshold value, if it is judged that the electricity of accumulator connects civil power less than preset charged threshold value and mobile refrigeration equipment, control accumulator and enter charged state.
Accumulator can freely be extracted and insert mobile refrigeration equipment.Preferably, this embodiment detection mobile refrigeration equipment in accumulator electricity before, first whether detection accumulator accesses in mobile refrigeration equipment, if be detected that accumulator is linked in mobile refrigeration equipment, then starts to detect the electricity of accumulator in mobile refrigeration equipment.In this preferred implementation, accumulator can access mobile refrigeration equipment or extract from mobile refrigeration equipment, if be detected that accumulator accesses mobile refrigeration equipment, then can detect the electricity of accumulator in real time or start to detect in real time the electricity of accumulator after the preset lime, it is judged that the relation between electricity and preset charged threshold value and the default discharge threshold of accumulator.
Preferably, this embodiment is after whether mobile refrigeration equipment connect civil power in detection, judging that mobile refrigeration equipment controls mobile refrigeration equipment when civil power switches to and do not connect civil power and switched to by storage battery power supply by mains-supplied by connecting.In this preferred implementation, mobile refrigeration equipment is when connecting civil power, by mains-supplied, when not connecting civil power, by storage battery power supply.
Judge mobile refrigeration equipment by connect civil power switch to do not connect civil power time, it is possible to this change detected by power management chip, and controlling accumulator by power management chip, to be in discharge condition be that mobile refrigeration equipment is powered.Owing to the operating rate of power management chip is higher, switching time can reach a millisecond rank, without influence on the normal use of mobile refrigeration equipment.
Mobile refrigeration equipment can include a facility switching, and this facility switching is used for selecting whether mobile refrigeration equipment works.Specifically, this facility switching can be connected between electricity consumption module and the power supply of mobile refrigeration equipment.The electricity consumption module of mobile refrigeration equipment can include controller and operational module, and wherein, controller is used for controlling mobile refrigeration equipment operational module, for instance, control motor, compressor etc..The power supply of mobile refrigeration equipment can be civil power, accumulator, wherein, civil power can be converted to the running voltage required for mobile refrigeration equipment by switch power source adapter, for instance the DC voltage of 12V or 24V, accesses upon the transition in the work system of mobile refrigeration equipment again.
Preferably, before controlling accumulator entrance discharge condition, it is possible to first whether the facility switching in detection mobile refrigeration equipment turns on.During facility switching conducting, the electricity consumption module in mobile refrigeration equipment is connected with power supply, if having power supply is that controller is powered, then electricity consumption module can receive power supply and power；When facility switching disconnects, electricity consumption module disconnects with power supply, it is impossible to receives power supply and powers.
When detecting that facility switching turns on, if it is judged that the electricity of accumulator does not connect civil power more than default discharge threshold and mobile refrigeration equipment, control accumulator and enter discharge condition.During facility switching conducting, electricity consumption module can receive power supply and power, if mobile refrigeration equipment does not connect civil power, power management chip can be passed through and judge whether the electricity of accumulator enough works, if it is judged that the electricity of accumulator is more than default discharge threshold, then control accumulator and enter discharge condition, for the electricity consumption module for power supply of mobile refrigeration equipment.
After controlling accumulator and entering discharge condition, it is also possible to judge that whether the electricity of accumulator is less than default alert threshold.If it is judged that the electricity of accumulator is less than default alert threshold, controls mobile refrigeration equipment and quit work, and send alarm.The controller that the control out-of-work method of mobile refrigeration equipment can be through to mobile refrigeration equipment sends signal, and this signal is used for making controller control mobile refrigeration equipment and quits work, it is to avoid power-off suddenly causes the fault of mobile refrigeration equipment.
When judging that the electricity of accumulator is less than default alert threshold, it is also possible to send alarm, for pointing out the electricity of accumulator lower than threshold value.It is alternatively possible to indicate current accumulator state in which to be charged state, discharge condition or be not at any state by LED etc., further, it is also possible to the electricity current by arranging electricity quantity display module display accumulator.After controlling accumulator and entering charged state, it is also possible to judge whether the electricity of accumulator is full of, if it is judged that the electricity of accumulator is full of, control accumulator electrically disconnected with city.
The power-supply switching method of the mobile refrigeration equipment that this embodiment provides, by detecting whether mobile refrigeration equipment connects civil power；The electricity of accumulator in detection mobile refrigeration equipment；Judge that in mobile refrigeration equipment, whether the electricity of accumulator is more than default discharge threshold；And if it is judged that the electricity of accumulator does not connect civil power more than default discharge threshold and mobile refrigeration equipment, controlling accumulator entrance discharge condition is that mobile refrigeration equipment is powered, the power supply solving manually rotary switch selection mobile refrigeration equipment in correlation technique causes unhandy problem, and then has reached the effect of the power supply of automatic switchover mobile refrigeration equipment.
It should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although illustrating logical order in flow charts, but in some cases, it is possible to perform shown or described step with the order being different from herein.
Embodiments of the invention additionally provide the power transfer device of a kind of mobile refrigeration equipment.It should be noted that the power transfer device of the mobile refrigeration equipment of the embodiment of the present invention may be used for performing the power-supply switching method of the mobile refrigeration equipment of the present invention.
Fig. 2 is the schematic diagram of the power transfer device of mobile refrigeration equipment according to embodiments of the present invention.As in figure 2 it is shown, this device includes accumulator 10 and power management chip 20.
Accumulator 10 is for providing supply voltage for mobile refrigeration equipment.Power management chip 20 is connected with accumulator 10, for detecting whether mobile refrigeration equipment connects the electricity of accumulator 10 in civil power and mobile refrigeration equipment, it is judged that in mobile refrigeration equipment, whether the electricity of accumulator 10 is more than default discharge threshold.Power management chip 20 is not when the electricity judging accumulator 10 connects civil power more than default discharge threshold and mobile refrigeration equipment, and it is that mobile refrigeration equipment is powered that control accumulator 10 enters discharge condition.Alternatively, power management chip 20 is additionally operable to judge that in mobile refrigeration equipment, whether the electricity of accumulator 10 is less than preset charged threshold value.Power management chip 20, when the electricity judging accumulator 10 connects civil power less than preset charged threshold value and mobile refrigeration equipment, controls accumulator 10 and enters charged state.
Power management chip 20 can adopt general power management chip 20, for instance, model is the power management chip etc. of HIP6301, IS6537, and power management chip 20 can detect the electricity of accumulator 10, controls charging and discharging state of accumulator 10 etc..Preferably, power management chip 20 can be integrated in accumulator 10, accumulator 10 can freely be extracted and access mobile refrigeration equipment, power management chip 20 judges that accumulator 10 is the need of discharge and recharge after accumulator 10 accesses mobile refrigeration equipment judging, and controls accumulator 10 and perform corresponding charging/discharging function.
Preferably, this device also includes siren.Siren is connected with power management chip 20, for sending alarm when power management chip 20 judges the electricity of accumulator 10 lower than default alert threshold.This siren can be LED light prompting, it is also possible to be auditory tone cues, it is also possible to be show warning information by display.
The power transfer device of the mobile refrigeration equipment that this embodiment provides, judged and the charging and discharging state controlling accumulator 10 by power management chip 20, manually rotary switch selects the power supply of mobile refrigeration equipment to cause unhandy problem, and then has reached the effect of the power supply of automatic switchover mobile refrigeration equipment.
Embodiments of the invention additionally provide a kind of mobile refrigeration equipment.It should be noted that the mobile refrigeration equipment of the embodiment of the present invention includes the power transfer device of the mobile refrigeration equipment of the embodiment of the present invention.
Fig. 3 is the schematic diagram of mobile refrigeration equipment according to a first embodiment of the present invention.As it is shown on figure 3, this equipment includes accumulator 10, power management chip 20, switch power source adapter 30 and controller 40.
Switch power source adapter 30, for civil power is converted to the supply voltage of mobile refrigeration equipment, provides voltage including the electricity consumption module for mobile refrigeration equipment.Electricity consumption module is the module needing power drives in mobile refrigeration equipment, for instance, access the accumulator 10 of mobile refrigeration equipment, control the controller 40 of the motor of mobile refrigeration equipment.The concrete model of switch power source adapter 30 can select according to the module in mobile refrigeration equipment.
Accumulator 10 is connected with switch power source adapter 30, and switch power source adapter 30 can provide charging voltage for accumulator 10, and accumulator 10 provides supply voltage for mobile refrigeration equipment.The common voltage of accumulator 10 is the DC voltage of 12V or 24V, the civil power of exchange can be converted to corresponding DC voltage by switch power source adapter 30, accumulator 10 receives the charging of civil power in the charge state, it is the electricity consumption module for power supply of mobile refrigeration equipment in the discharged condition, it is possible to when not connecting civil power, maintenance equipment runs well.
Power management chip 20 is connected with accumulator 10, for detecting whether mobile refrigeration equipment connects the electricity of accumulator 10 in civil power and mobile refrigeration equipment, it is judged that in mobile refrigeration equipment, whether the electricity of accumulator 10 is more than default discharge threshold.Power management chip 20 is not when the electricity judging accumulator 10 connects civil power more than default discharge threshold and mobile refrigeration equipment, and it is that mobile refrigeration equipment is powered that control accumulator 10 enters discharge condition.Alternatively, power management chip 20 is additionally operable to judge that in mobile refrigeration equipment, whether the electricity of accumulator 10 is less than preset charged threshold value.Power management chip 20, when the electricity judging accumulator 10 connects civil power less than preset charged threshold value and mobile refrigeration equipment, controls accumulator 10 and enters charged state.
Controller 40 is connected with switch power source adapter 30 and accumulator 10, for receiving switch power source adapter 30 or the supply voltage of accumulator 10 output, controls mobile refrigeration equipment work.Specifically, controller 40 can be connected with the motor of mobile refrigeration equipment, controls the duty of motor.
Power management chip 20 can adopt general power management chip 20, for instance, model is the power management chip 20 etc. of HIP6301, IS6537, and power management chip 20 can detect the electricity of accumulator 10, controls charging and discharging state of accumulator 10 etc..Preferably, power management chip 20 can be integrated in accumulator 10, specifically, power management chip 20 can be previously built into accumulator 10, first the mode that accumulator 10 externally connects accesses power management chip 20, by power management chip 20, the action of accumulator 10 is managed, comprise determining whether to meet the condition of discharge and recharge, control accumulator 10 and carry out discharge and recharge etc., accumulator 10 can freely be extracted and access mobile refrigeration equipment, power management chip 20 judges that accumulator 10 is the need of discharge and recharge after accumulator 10 accesses mobile refrigeration equipment judging, and control accumulator 10 and perform corresponding charging/discharging function.
Preferably, this equipment can also include facility switching, facility switching has be connected with controller 40 first and selects end, and second be connected with accumulator 10 and switch power source adapter 30 selects end, for whether selection control 40 connects with accumulator 10 and switch power source adapter 30.Wherein, if accumulator 10 is integrated with preposition power management chip 20, power management chip 20 connects the second of facility switching and select end.Facility switching can control whether mobile refrigeration equipment starts to start work, if facility switching is opened, and has power supply, then mobile refrigeration equipment work, if facility switching disconnects, then disconnects with the connection of power supply, and mobile refrigeration equipment quits work.
Fig. 4 is the schematic diagram of mobile refrigeration equipment according to a second embodiment of the present invention.As shown in Figure 4, this equipment includes accumulator 10, power management chip 20, switch power source adapter 30, controller 40, LED light 50 and motor 60.
Accumulator 10 is integrated with preposition power management chip 20, and accumulator 10 can freely be extracted and insert mobile refrigeration equipment.When accumulator 10 inserts mobile refrigeration equipment, power management chip 20 detects the electricity of accumulator 10, it is judged that accumulator 10 is the need of charging.When accumulator 10 electricity deficiency, automatically into charged state, it is electrically separated that accumulator 10 is full of Hou Yu city, when mobile refrigerant communication civil power, whether power management chip 20 detects accumulator 10 electricity not enough, if electricity is not enough, by accumulator 10 power switching to mains-supplied, keeping the running status of mobile refrigeration equipment, switching time is that millisecond rank does not result in mobile refrigeration equipment power-off.Mobile refrigeration equipment is after adopting accumulator 10 powered operation Preset Time, power management chip 20 detects accumulator 10 electricity in real time, and the operations such as warning are performed when accumulator 10 electricity deficiency, such as, send warning when accumulator 10 electricity is close to 20%, control mobile refrigeration equipment when accumulator 10 electricity is close to 10% and quit work and send the warning of electricity deficiency.Control by power management chip 20 so that mobile refrigeration equipment does not need to configure the charging and discharging state of special rotary switch manual switching accumulator 10.
Accumulator 10 is connected with switch power source adapter 30, and wherein, accumulator 10 includes preposition integrated power supply managing chip 20, is connected by power management chip 20 between accumulator 10 with switch power source adapter 30.Switch power source adapter 30 is connected by live wire AC_L and zero line AC_N with civil power, it is possible to civil power is converted to the charging voltage of accumulator 10, controls when accumulator 10 enters charged state to be that accumulator 10 is powered at power management chip 20.
The first of facility switching k1 selects end to be connected with the input of controller 40 low-tension supply, end is selected to be connected with accumulator 10 and switch power source adapter 30 with second, input is civil power or accumulator 10 is all can normal operation, wherein, second select to be connected by power management chip 20 between end and accumulator 10.When facility switching k1 closes, controller 40 is connected with accumulator 10 and switch power source adapter 30, and when facility switching k1 disconnects, controller 40 disconnects with accumulator 10 and switch power source adapter 30.
Controller 40 is the module controlling mobile refrigeration equipment work, including the motor 60 controlling mobile refrigeration equipment.Controller 40 is connected with motor 60.Controller 40 is powered by switch power source adapter 30 or accumulator 10, is connected with switch power source adapter 30 and accumulator 10 by facility switching k1.The first of the positive pole P and facility switching k1 of controller 40 selects end to be connected, the second of facility switching k1 selects end to be connected with the positive pole of switch power source adapter 30 and accumulator 10, and the negative pole N of controller 40 is connected with the negative pole of switch power source adapter 30 and accumulator 10.
LED50 can pass through alert methods can show the state that accumulator 10 is run, it is simple to user directly observes.After cutting off mains supply; and accumulator 10 when can not supply enough electricity power management chip 20 control LED50 and report to the police; and signal is fed back to controller 40 by power management chip 20; control system is made to make corresponding protective measure during electricity deficiency, for instance to control mobile refrigeration equipment and quit work.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (12)
1. the power-supply switching method of a mobile refrigeration equipment, it is characterised in that including:
Whether detection mobile refrigeration equipment connects civil power；
Detect the electricity of accumulator in described mobile refrigeration equipment；
Judge that in described mobile refrigeration equipment, whether the electricity of accumulator is more than default discharge threshold；And
If it is judged that the electricity of described accumulator does not connect civil power more than described default discharge threshold and described mobile refrigeration equipment, controlling described accumulator entrance discharge condition is that described mobile refrigeration equipment is powered.
2. method according to claim 1, it is characterised in that in detecting described mobile refrigeration equipment after the electricity of accumulator, described method also includes:
Judge that in described mobile refrigeration equipment, whether the electricity of accumulator is less than preset charged threshold value；And
If it is judged that the electricity of described accumulator connects civil power less than described preset charged threshold value and described mobile refrigeration equipment, control described accumulator and enter charged state.
3. method according to claim 1, it is characterised in that in detecting described mobile refrigeration equipment before the electricity of accumulator, described method also includes:
Detect whether described accumulator accesses in described mobile refrigeration equipment,
Wherein, if be detected that described accumulator accesses in described mobile refrigeration equipment, then the electricity of accumulator in described mobile refrigeration equipment is detected.
4. method according to claim 1, it is characterised in that after whether detection mobile refrigeration equipment connects civil power, described method also includes:
When judging described mobile refrigeration equipment connection civil power, control described mobile refrigeration equipment by mains-supplied.
5. method according to claim 1, it is characterised in that entering discharge condition in the described accumulator of control is that before described mobile refrigeration equipment is powered, described method also includes:
Detecting whether the facility switching in described mobile refrigeration equipment turns on, wherein, described facility switching is used for selecting whether described mobile refrigeration equipment works,
Wherein, when detecting that described facility switching turns on, if it is judged that the electricity of described accumulator does not connect civil power more than described default discharge threshold and described mobile refrigeration equipment, controlling the described accumulator described discharge condition of entrance is that described mobile refrigeration equipment is powered.
6. method according to claim 1, it is characterised in that entering discharge condition in the described accumulator of control is that after described mobile refrigeration equipment is powered, described method also includes:
Judge that whether the electricity of described accumulator is less than default alert threshold；And
If it is judged that the electricity of described accumulator is less than described default alert threshold, controls described mobile refrigeration equipment and quit work, and send alarm.
7. the power transfer device of a mobile refrigeration equipment, it is characterised in that including:
Accumulator, for providing supply voltage for mobile refrigeration equipment；And
Power management chip, it is connected with described accumulator, for detecting whether described mobile refrigeration equipment connects the electricity of accumulator in civil power and described mobile refrigeration equipment, judge that in described mobile refrigeration equipment, whether the electricity of accumulator is more than default discharge threshold, wherein, when the electricity judging described accumulator does not connect civil power more than described default discharge threshold and described mobile refrigeration equipment, controlling described accumulator entrance discharge condition is that described mobile refrigeration equipment is powered.
8. device according to claim 7, it is characterised in that described power management chip is integrated in described accumulator.
9. device according to claim 7, it is characterised in that described device also includes:
Siren, is connected with described power management chip, for sending alarm when described power management chip judges the electricity of described accumulator lower than default alert threshold.
10. a mobile refrigeration equipment, it is characterised in that include the power transfer device of mobile refrigeration equipment according to any one of claim 7 to 9.
11. a mobile refrigeration equipment, it is characterised in that including:
Switch power source adapter, for being converted to the supply voltage of mobile refrigeration equipment by civil power；
Accumulator, for providing supply voltage for described mobile refrigeration equipment；
Power management chip, it is connected with described accumulator, it is connected with described switch power source adapter, for detecting whether described mobile refrigeration equipment connects the electricity of accumulator in civil power and described mobile refrigeration equipment, judge that in described mobile refrigeration equipment, whether the electricity of accumulator is more than default discharge threshold, wherein, when the electricity judging described accumulator does not connect civil power more than described default discharge threshold and described mobile refrigeration equipment, controlling described accumulator entrance discharge condition is that described mobile refrigeration equipment is powered；And
Controller, is connected with described switch power source adapter and described accumulator, is used for controlling the work of described mobile refrigeration equipment, and wherein, described switch power source adapter and described accumulator are for providing supply voltage for described controller.
12. equipment according to claim 11, it is characterised in that described equipment also includes:
Facility switching, described facility switching has be connected with described controller first and selects end, second be connected with described accumulator and described switch power source adapter selects end, is used for selecting whether described controller connects with described accumulator and described switch power source adapter.
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| CN201610139915.XA CN105811570A (en) | 2016-03-11 | 2016-03-11 | Mobile refrigeration device and power supply switching method and device thereof |
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| CN201610139915.XA CN105811570A (en) | 2016-03-11 | 2016-03-11 | Mobile refrigeration device and power supply switching method and device thereof |
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| CN105811570A true CN105811570A (en) | 2016-07-27 |
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| CN201610139915.XA Pending CN105811570A (en) | 2016-03-11 | 2016-03-11 | Mobile refrigeration device and power supply switching method and device thereof |
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| CN110914616A (en) * | 2017-06-07 | 2020-03-24 | 开利公司 | Transport refrigeration unit control with energy storage device |
| CN110914615A (en) * | 2017-06-07 | 2020-03-24 | 开利公司 | Energy control of transport refrigeration unit with energy storage device |
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| CN110914616A (en) * | 2017-06-07 | 2020-03-24 | 开利公司 | Transport refrigeration unit control with energy storage device |
| CN110914615A (en) * | 2017-06-07 | 2020-03-24 | 开利公司 | Energy control of transport refrigeration unit with energy storage device |
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| CN110914616B (en) * | 2017-06-07 | 2022-05-24 | 开利公司 | Transport refrigeration unit control with energy storage device |
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| CN110224473A (en) * | 2019-07-11 | 2019-09-10 | 珠海格力智能装备有限公司 | The method of supplying power to and device of cleaning machine, cleaning machine |
| CN113922637A (en) * | 2021-10-09 | 2022-01-11 | 珠海格力电器股份有限公司 | Power supply switching circuit, power supply switching method, electronic equipment and storage medium |
| CN113922637B (en) * | 2021-10-09 | 2023-09-08 | 珠海格力电器股份有限公司 | Power supply switching circuit, power supply switching method, electronic equipment and storage medium |
| CN114087841A (en) * | 2021-12-06 | 2022-02-25 | 山东省鲁商冰轮建筑设计有限公司 | Reliable automatic temperature control system of ultra-low temperature freezer |
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Application publication date: 20160727 |