CN202254569U - Multi-energy power supply refrigerator - Google Patents
Multi-energy power supply refrigerator Download PDFInfo
- Publication number
- CN202254569U CN202254569U CN2011202202828U CN201120220282U CN202254569U CN 202254569 U CN202254569 U CN 202254569U CN 2011202202828 U CN2011202202828 U CN 2011202202828U CN 201120220282 U CN201120220282 U CN 201120220282U CN 202254569 U CN202254569 U CN 202254569U
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- power supply
- module
- refrigerator
- mcu
- control circuit
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Abstract
The utility model relates to a multi-energy power supply refrigerator which achieves that various low-voltage energy sources and other electric energy sources are integrated, switched and controlled, are boosted into direct current with the voltage slightly higher than that of direct current after being subjected to mains supply rectification, and then are connected to various frequency converters and compressors commonly used at present, and finally the compatibility of the refrigerator to various energy sources is realized. The multi-energy power supply refrigerator comprises an MCU ((Microprogrammed Control Unit), a mains supply module, a low-voltage energy power supply module, a storage battery power supply module and an electrical appliance control circuit, wherein the three power supply modules and the electric appliance control circuit are all connected with the MCU, the three power supply modules are connected in parallel and then are connected with an integrating and switching module, the integrating and switching module is connected with the electrical appliance control circuit and the MCU, and the MCU controls the three power supply modules and the electrical appliance control circuit in a centralized way. The compatibility of the refrigerator to various energy sources can be realized, the cost can be greatly reduced, and the reliability and universality of the product are improved.
Description
Technical field
The utility model relates to a kind of multipotency source power supply refrigerator and method for controlling power supply thereof.
Background technology
In recent years, along with the development of the low pressure energy and the increase of low pressure refrigerator demand, the research and development and the volume production of such refrigerator product were brought into schedule.The low-voltage variable frequency compressor and the driving governor thereof that use at present cost an arm and a leg, poor reliability, and poor compatibility forms big pressure to promoting the use of of product.
Summary of the invention
The subject matter that the utility model will solve is through integrating switching controls with electric energy such as the various low pressure energy; Boost to the direct current higher slightly then than the direct current behind the commercial power rectification; And insert various frequency converters and the compressor that generally uses at present, finally realize the compatibility of refrigerator to the various energy.
In order to address the above problem; The utility model provides a kind of multipotency source power supply refrigerator; It comprises that it comprises MCU, mains-supplied module, low pressure energy supply module, storage battery power supply module, electrical appliance control circuit; Three supply modules, electrical appliance control circuit all are connected with MCU, and three supply modules are connected with the integration handover module parallel connection back mutually, integrate handover module and are connected with the electrical appliance control circuit; Integrate handover module and be connected, three supply modules and electrical appliance are carried out centralized Control by MCU with MCU.
Integrate switching device shifter and comprise change-over switch, change-over switch is connected with MCU, by MCU to the relatively back automatic transfer switch of three kinds of supply module voltage samples.
Said energy switching device shifter is provided with two kinds of control models, is respectively automatic control mode and manual switchover pattern.
Electrical apparatus control circuit is set to the powered by direct current control circuit.
Between storage battery power supply module and the integration handover module boost module is set.
The low-voltage power supply module preferentially is set to the solar energy module power supply.
Solar energy module is connected with the storage battery power supply module with the mains-supplied module respectively.
The utility model can use the multiple low pressure energy such as photocell, realizes the power supply to refrigerator.Can also under the condition that does not have batteries to store energy equipment, use the power supply mode of the low pressure energy separately, also can use the low pressure energy to add the composite power supply mode of battery.The utility model preferentially uses the various low pressure energy such as photocell, it is boosted to direct current 320V supply frequency converter to use, if these energy electricity shortages are then replenished by the battery electric energy; If when storage battery energy is also not enough, then adopt by civil power and battery hybrid power supply, when battery can't use because of deep discharge, then adopt mains-supplied, so just make refrigerator work in the refrigeration state of a control all the time.
The utility model is through to accumulator cell charging and discharging control and weak collection of energy, realizes that the multiple low pressure energy can supply power to electrical appliance through battery.The maximum output voltage of selecting the low pressure energy allows the ceiling voltage that inserts all the time smaller or equal to battery, can fundamentally prevent the problem of overcharging like this.When battery needed large current charge, relay was connected, and reduced the electric energy loss that produces because of the pressure drop on the diode.Owing to directly be connected on the battery through diode,, prevent that effectively battery from damaging because of serious power shortage even controller failure so also can charge a battery near the output of the low pressure energy of battery ceiling voltage.When battery electric energy deficiency needed constant-current charge, boosting circuit boosts voltage strengthened charging current.For the line loss that prevents that big current delivery from causing, carry out current delivery again after electric energy boosted.When making the battery self discharge have influence on the life of storage battery when there not being the output of low pressure energy electric energy for a long time; The highest open circuit output voltage of MCU control mains supply output is that battery is done to safeguard charging smaller or equal to the ceiling voltage that battery allows to insert all the time, prevents that battery from damaging because of serious power shortage.After battery did not have sufficient electric energy to provide, booster circuit quit work, and prevented overdischarge and damaged battery.The control of accumulator cell charging and discharging and weak collection of energy flow process wherein comprise the charging and discharging of accumulator control program; The charging control initialization flow process of battery wherein comprises low pressure energy magnitude of voltage, the detection of battery tension value and processing; Trickle charge control program flow process, according to the voltage of battery, the difference of current condition is carried out constant-current charge, constant-voltage charge, floating charge to battery sequentially.
The low pressure energy of the utility model directly connects electrical appliance through boosting or the step-down processing, is electric.The low pressure energy handles through high voltage step-up or step-down is handled, and can under the condition that does not have energy storage devices such as battery, directly be the electrical appliance power supply.When the capacity of selecting the low pressure energy and watt level, should make the rated power of the output function of the energy greater than electrical appliance; On control method, row detects in real time during to the power output of energy size, and voltage, current condition when intelligence computation goes out the maximum power point of the low pressure energy make the power output state of low pressure working energy in maximum; When the power output of the energy during less than the rated power of electrical appliance, frequency conversion plate in multipotency source sends early warning signal, and the prompting user does proper process to the input low pressure energy, and inserts the civil power electric energy simultaneously, to guarantee that electrical appliance can be in normal operating conditions for a long time.
The control circuit of all spare parts in common use of the utility model refrigerator all is designed to direct current supply control, comprises DC-AC conversion module simultaneously, realizes that the low pressure energy is directly to various electrical appliances power supplies.For the application and the popularization of stronger cooperation multipotency source refrigerator, improve the various performance indications of refrigerator, the control circuit of all electrical appliance parts all is designed to direct current supply; Like defrosting heater; Illuminating lamp, magnetic valve etc., and can carry out energy adjustment as to rotating speed according to the requirement of different operating modes; Power, the linear adjustment of the local of aspects such as brightness.Simultaneously, include DC-AC conversion module on the multipotency source frequency conversion plate, the high voltage direct current inversion after the low pressure energy is boosted is the 220V alternating current, offers invariable frequency compressor, illuminating lamp, electrical appliances such as magnetic valve.Make this multipotency source frequency conversion plate all to have very big compatibility and versatility like this to various different alternating current-direct current electrical appliances.
After DC voltage and the voltage sample behind the low-tension supply high voltage step-up after to the commercial power rectification of the utility model civil power and high voltage step-up switching circuit, the comparison, can realize the manual switchover and the automatic switchover of two cover circuit.The manual switchover pattern is to select the mode of supplying power by the user; During automatic switchover mode,, when energy is enough to provide back level load, automatically switch to the high voltage step-up circuit, when low pressure energy electric energy is not enough, then adopt the electric energy output power supply behind the commercial power rectification when low pressure energy electric energy is sufficient.Wherein, when the concrete flow process that realizes is the magnitude of voltage after the high voltage step-up magnitude of voltage is greater than the commercial power rectification, adopt the voltage after the low pressure energy boosts to give inverter supply
The multipotency source electric power supply control system of the utility model is realized the compatibility of refrigerator to the various energy, can accomplish to reduce cost in large quantities simultaneously, improves reliability of products, versatility.
Description of drawings
Fig. 1 is the control flow chart of multipotency source electric power supply control system;
The block diagram of Fig. 2 refrigerator.
The specific embodiment
Like accompanying drawing 1,2; The utility model multipotency source power supply refrigerator; Comprise MCU, mains-supplied module, low pressure energy supply module, storage battery power supply module, electrical appliance control circuit, integrate handover module; Three the mutual parallel connection of supply modules backs are connected with the electrical appliance control circuit through integrating handover module, and MCU is connected with three supply modules, electrical appliance control circuit and integration handover module respectively, by MCU three supply modules and electrical appliance is carried out centralized Control.Said low pressure energy supply module is connected with the storage battery power supply module with the mains-supplied module respectively, and low pressure energy supply module can adopt the various low pressure energy such as photocell, as being arranged to solar energy module.The electrical appliance control circuit is set to the powered by direct current control circuit, to the controlling unit that has frequency, rotating speed, power, voltage, electric current to have adjusting to need, all can carry out Linear Control through PWM.Between said storage battery power supply module and the integration handover module boost module is set; Integrate handover module and comprise change-over switch; Change-over switch is connected with MCU; Integrate handover module and can be set to automatic control mode and two kinds of control models of manual switchover pattern through change-over switch; Integrate handover module through to after the voltage sample behind DC voltage behind the commercial power rectification and the low-tension supply high voltage step-up, the comparison, realize the manual switchover and the automatic switchover of two cover circuit, the manual switchover pattern is selected power supply mode by the user; During automatic switchover mode,, when energy is enough to provide back level load, automatically switch to the high voltage step-up circuit, when low pressure energy electric energy is not enough, then adopt the electric energy output power supply behind the commercial power rectification when low pressure energy electric energy is sufficient.Adopt the refrigerator of this structure, realize the compatibility of refrigerator, reduced cost, improve reliability of products, versatility the various energy.
Like accompanying drawing 1 is the control flow chart of multipotency source electric power supply control system, and when refrigerator powers on, refrigerator is started working; The voltage sample device is sampled respectively to low pressure energy supply module, storage battery power supply module, mains-supplied module, if the voltage of low pressure energy supply module is during greater than setting value, when the MCU detection need be supplied power to low-voltage load; The circuit of connection and low-voltage load; Need not supply power to low-voltage load when MCU detects, through rechargeable battery control circuit, with the power delivery of the low pressure energy to battery; After low-voltage electric energy boosts through boost module; Through integrating handover module power delivery is supplied power to low-voltage load to the electrical appliance control circuit, after power supply finished, refrigerator was returned the initialization state; If the voltage of low pressure energy supply module is during less than setting value; MCU control cutoff low energy supply module is connected the mains-supplied module, through integrating handover module power delivery is arrived the electrical appliance control circuit; After power supply finished, refrigerator was returned the initialization state.Refrigerator adopts this mode to supply power, and has realized the compatibility to the various energy.
Claims (7)
1. multipotency source power supply refrigerator; It comprises MCU, mains-supplied module, low pressure energy supply module, storage battery power supply module, electrical appliance control circuit; Three supply modules, electrical appliance control circuit all are connected with MCU, it is characterized in that: three supply modules are connected with the integration handover module parallel connection back mutually, integrate handover module and are connected with the electrical appliance control circuit; Integrate handover module and be connected, three supply modules and electrical appliance are carried out centralized Control by MCU with MCU.
2. power supply refrigerator in multipotency according to claim 1 source is characterized in that: integrate switching device shifter and comprise change-over switch, change-over switch is connected with MCU.
3. multipotency according to claim 1 source power supply refrigerator, it is characterized in that: said energy switching device shifter is provided with two kinds of control models, is respectively automatic control mode and manual switchover pattern.
4. multipotency according to claim 1 source power supply refrigerator, it is characterized in that: the electrical appliance control circuit is set to the powered by direct current control circuit.
5. power supply refrigerator in multipotency according to claim 1 source is characterized in that: between storage battery power supply module and the integration handover module boost module is set.
6. multipotency according to claim 1 source power supply refrigerator, it is characterized in that: the low-voltage power supply module is set to solar energy module.
7. multipotency according to claim 1 source power supply refrigerator, it is characterized in that: solar energy module is connected with the storage battery power supply module with the mains-supplied module respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202202828U CN202254569U (en) | 2011-06-27 | 2011-06-27 | Multi-energy power supply refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202202828U CN202254569U (en) | 2011-06-27 | 2011-06-27 | Multi-energy power supply refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202254569U true CN202254569U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202202828U Expired - Fee Related CN202254569U (en) | 2011-06-27 | 2011-06-27 | Multi-energy power supply refrigerator |
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| CN (1) | CN202254569U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853623A (en) * | 2011-06-27 | 2013-01-02 | 海信（北京）电器有限公司 | Multi-energy powered refrigerator and control method thereof |
| WO2016029525A1 (en) * | 2014-08-26 | 2016-03-03 | 珠海美固电子有限公司 | Universal energy selection electronic control system for refrigerator of recreational vehicle |
-
2011
- 2011-06-27 CN CN2011202202828U patent/CN202254569U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853623A (en) * | 2011-06-27 | 2013-01-02 | 海信（北京）电器有限公司 | Multi-energy powered refrigerator and control method thereof |
| WO2013000349A1 (en) * | 2011-06-27 | 2013-01-03 | 海信（北京）电器有限公司 | Refrigerator powered by multiple energy sources and control method thereof |
| CN102853623B (en) * | 2011-06-27 | 2015-10-28 | 海信（山东）冰箱有限公司 | Multiple-energy-source is for refrigerator and control method thereof |
| WO2016029525A1 (en) * | 2014-08-26 | 2016-03-03 | 珠海美固电子有限公司 | Universal energy selection electronic control system for refrigerator of recreational vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HISENSE (SHANDONG) REFRIGERATOR CO., LTD. Free format text: FORMER OWNER: HISENSE (BEIJING) ELECTRICAL EQUIPMENT CO., LTD. Effective date: 20140102 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140102 Address after: 266061 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee after: Hisense (Shandong) refrigerator Co., Ltd. Address before: 266061 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: Hisense (Beijing) Electric Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20190627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |