CN102403773A - Power Supply For Thermoelectric Element - Google Patents
Power Supply For Thermoelectric Element Download PDFInfo
- Publication number
- CN102403773A CN102403773A CN2010105996754A CN201010599675A CN102403773A CN 102403773 A CN102403773 A CN 102403773A CN 2010105996754 A CN2010105996754 A CN 2010105996754A CN 201010599675 A CN201010599675 A CN 201010599675A CN 102403773 A CN102403773 A CN 102403773A
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- CN
- China
- Prior art keywords
- power
- power supply
- thermoelectric element
- rectifier
- charging
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M7/219—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/14—Arrangements for reducing ripples from dc input or output
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/80—Constructional details
-
- 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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/50—Charging of capacitors, supercapacitors, ultra-capacitors or double layer capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Disclosed is a power supply for a thermoelectric element, comprising a rectifier which is used for carrying out rectification over the AC power input from outside and changing the positive and negative direction, thus to change the AC power into a DC power having only one direction, and a charging device which is used for charging the DC power rectified by the rectifier, thereby being offered as stable DC power having preset magnitude value. The power supply of the utility model is small and light, with a lower cost. Moreover, the power supply can reduce the noises and electromagnetic waves generated during the process of changing the commercial AC into stable DC power.
Description
The cross reference of related application
That the application requires to submit on September 15th, 2010, title is the rights and interests of the korean patent application No.10-2010-0090695 of " Power Supply For Thermoelectric Element ", and the full content of this application is integrated among the application as a reference.
Technical field
The present invention relates to be used for the power supply of thermoelectric element.
Background technology
Usually, as the power supply of the thermoelectric element that is used for cold and hot equipment, for the switched-mode power supply (SMPS) of stable state DC power supply has obtained application.
Switched-mode power supply (SMPS) is that the AC power that commercial power is provided is changed so that be applicable to the modular type power supply of various device (such as computer, communication equipment, household electrical appliance etc.).Switched-mode power supply (SMPS) uses the high-speed power semiconductor to carry out ON/OFF control with high frequency, and obtains various stable dc voltages through rectification and smoothing circuit.
Consider the characteristic of thermoelectric element, thermoelectric element does not use AC power and is to use the reason of stable state DC power supply is will be always its surface to be remained hot side and its another surface is remained cold side.
If with AC power but not DC power imposes on thermoelectric element, then sense of current is not stable but changes, and the hot side of thermoelectric element and cold side be just by correspondingly change like this, thereby almost per second all imposes on thermoelectric element with thermal shock.
In this case, the reliability of thermoelectric element has been lowered, and does not perhaps produce the hot difference (it is the characteristic of thermoelectric element) between the thermoelectric element two ends.
For this reason; As stated; In order stably a surface of thermoelectric element to be remained hot side and its another surface to be remained cold side, will have stably the switched-mode power supply of the built-in constant current circuit of holding current (SMPS) as the power supply of thermoelectric element.
Usually, switched-mode power supply (SMPS) is configured to comprise line filter (electromagnetic interface filter), PFC unit, PWM unit, rectifier, transformer, protective circuit etc., to obtain big capacity DC power.Yet switched-mode power supply (SMPS) needs high-power, takies big space, thereby is quite expensive.
In addition, switched-mode power supply (SMPS) generates DC power through each parts in some stages, thereby during switching process, causes a large amount of noises and electromagnetic wave.
Summary of the invention
The present invention is devoted to provide a kind of small power supply that is used for the cheapness of thermoelectric element, and this small power supply is when the thermoelectric element that needs small power supply provides power, making stable state DC power supply stable, simultaneously because of small and exquisite property and the portability of realizing simple in structure.
In addition, the present invention also is devoted to provide a kind of power supply that is used for thermoelectric element, and this power supply that is used for thermoelectric element can obviously reduce noise and the electromagnetic wave that is generated when commercial AC power transfer is become stable state DC power, so that to thermoelectric element power is provided.
The power supply that is used for thermoelectric element according to the preferred embodiment of the present invention comprises: rectifier is used for the AC power of the input from the outside is carried out rectification and change over positive negative direction to have the only DC power of a direction to convert thereof into; And charging device, be used for charging so that be provided with the stable state DC power of preset range value through the DC power behind the rectifier rectification.
The power supply that is used for thermoelectric element can also comprise that the front end that is installed in rectifier is with the electromagnetic interference of removal AC power and the line filter of noise.
Rectifier comprises the bridge circuit that connects first to fourth diode; The first and the 4th diode is unlocked to pass through positive current when with box lunch positive current being applied to the first terminal of rectifier; And the second and the 3rd diode is unlocked with through negative current when negative current being imposed on second terminal of rectifier, thereby make sense of current stable.
Charging device comprises: charging circuit is used for becoming battery charge power with the control charging DC power transfer after the rectification of rectifier input; Battery is used for charging through the power that charging circuit provided and the power after the charging being discharged; And control unit, the charged state that is used for the sensing battery is with the control charging circuit.
Charging device also comprises display unit, and this display unit is used to show the charged state of battery.
This battery is secondary cell or capacitor.
This battery is the capacitor that is used to charge.
Description of drawings
Fig. 1 is the block diagram that is used for the power supply of thermoelectric element according to the preferred embodiment of the present invention;
Fig. 2 shows the sketch map of the rectification circuit of rectifier shown in Figure 1;
Fig. 3 is the detailed diagram of charging device shown in Figure 1; And
Fig. 4 shows according to the preferred embodiment of the present invention the sketch map according to the variation of the waveform of each parts of the power supply that is used for thermoelectric element.
Embodiment
Through facing the description of execution mode down, various purposes of the present invention, feature and advantage will become obvious with reference to accompanying drawing.
Employed term and word should not be construed as limited to common implication or dictionary definition in this specification and claims, have implication and the notion relevant with technical scope of the present invention and should be interpreted as with the principle of describing the best approach of the embodiment of the present invention that he or she knows the most rightly based on the notion that the inventor can suitably define term.
According to following detailed, will be expressly understood above-mentioned and other target of the present invention, feature and advantage in conjunction with accompanying drawing more.In specification, parts in whole accompanying drawings add Reference numeral, should be noted that similar Reference numeral representes similar parts, even parts are illustrated in different figure.In addition, when confirming to blur purport of the present invention, will omit this detailed description to the detailed description of the known technology relevant with the present invention.
Hereinafter, will describe in detail according to preferred implementation of the present invention with reference to accompanying drawing.
Fig. 1 is the block diagram that is used for the power supply of thermoelectric element according to the preferred embodiment of the present invention, and Fig. 2 shows the sketch map of the rectification circuit of rectifier shown in Figure 1; Fig. 3 is the detailed diagram of charging device shown in Figure 1; And Fig. 4 is the sketch map that illustrates according to the preferred embodiment of the present invention according to the variation of the waveform of each parts of the power supply that is used for thermoelectric element.
With reference to figure 1, the power supply 100 that is used for thermoelectric element according to the preferred embodiment of the present invention is configured to comprise line filter 110, rectifier 120 and charging device 130.
The example of line filter 110 can comprise the electromagnetic interference (EMI) filter.
The DC power that rectifier 120 will become to have a direction from the AC power transfer that periodically changes in positive negative direction that line filter 110 provides.
Rectifier 120 may be embodied as bridge circuit, and this bridge circuit comprises first to fourth diode 121 to 124 that connects into bridge shape, and is as shown in Figure 2.
Particularly; When positive current being applied to the first terminal a of this bridge circuit; The first and the 4th diode 121 and 124 is unlocked so that positive current is passed through; And when negative current being applied to the second terminal b of this bridge circuit, the second and the 3rd diode 122 and 123 is unlocked so that negative current passes through.
Therefore, when load was connected between two terminals of bridge circuit of rectifier 120, in the time of promptly between the first terminal a and the second terminal b, the current stabilization ground through bridge circuit flowed into the second terminal b from the first terminal a.That is to say that it is stable that sense of current always keeps.
Therefore, when load was thermoelectric element 200, electric current always flowed with constant direction, can stably remain cold side thereby a surface of thermoelectric element 200 can stably remain another surface of hot side and thermoelectric element 200.
When this is represented as waveform, be converted into the DC power after the rectification with direction (for example, having only positive direction) only of bridge circuit through rectifier 120 at the AC power that changes on the positive negative direction, as shown in Figure 4.
Only the sense of current of the DC power through rectifier 120 rectifications does not change, but the amplitude of DC power reduces times without number and increases, and is as shown in Figure 4.
As stated; When the unsettled power of DC power magnitude is applied to 200 last times of thermoelectric element; A preset surface of thermoelectric element 200 can be retained as hot side, and another surface of thermoelectric element 200 can be retained as cold side, but according to the amplitude of the DC power that is applied; In each of hot side and cold side, generate hot difference, thereby might reduce the reliability and the performance of thermoelectric element 200.
Therefore, when the DC power charging through 120 rectifications of 130 pairs of rectifiers of charging device that will describe of back so that when thermoelectric element 200 stably provides the DC power with preset value, can stable state DC be provided that kind as shown in Figure 4 power.
As shown in Figure 3, charging device 130 is configured to comprise: charging circuit 130 is used for becoming battery charge power with the control charging DC power transfer after the rectification of rectifier 120 inputs; Battery 133, be used for to the power that offers thermoelectric element 200 through charging circuit 131 charge and to the charging after power discharge; And control unit 135, the charged state that is used for sensing battery 133 is with control charging circuit 131.
The example of battery 133 can comprise secondary cell or capacitor.In addition, can use the capacitor that is used to charge to be used as battery 133.
Simultaneously, charging device 130 can also comprise the display unit (not shown), is used to show the charged state of battery 133.
As stated; Because according to the power supply 100 that the is used for thermoelectric element of the present invention big capacity power source of needs not; So this power supply 100 that is used for thermoelectric element provides stable stable state DC power; It only comprises rectifier 120 and charging device 130, thereby because simple in structure and can realize being used for the small and exquisite property and the portability of the power supply 100 of thermoelectric element, and can reduce its design cost and can obviously reduce noise and the electromagnetic wave that produces from each parts.
The power configuration that the present invention will be used for thermoelectric element is for only comprising rectifier and charging device, thereby can realize small and exquisite property and portability and save cost.
In addition, the present invention simplifies the structure, thereby when commercial AC power transfer is become stable state DC power, can obviously reduce noise and the electromagnetic wave that produces from each parts.
Though the purpose from illustrating discloses the execution mode of the present invention about touch pad; But those skilled in the art should recognize; Under the situation that does not deviate from the disclosed scope of the invention and spirit in the appended claims, can make various modification, interpolation and replacement.Therefore, these modifications, interpolation and replacement also should fall in the scope of the present invention.
Claims (8)
1. power supply that is used for thermoelectric element, this power supply comprises:
Rectifier, this rectifier are used for the AC power of the input from the outside is carried out rectification and changes over positive negative direction so that said AC power transfer is become to have the only DC power of a direction; And
Charging device, this charging device are used for charging through the said DC power behind the said rectifier rectification so that be provided with the stable state DC power of preset range value.
2. the power supply that is used for thermoelectric element according to claim 1, this power supply comprise that also the front end that is installed in said rectifier is to be used to remove the electromagnetic interference of said AC power and the line filter of noise.
3. the power supply that is used for thermoelectric element according to claim 1; Wherein, Said rectifier comprises the bridge circuit that connects first diode to the, four diodes; First diode and the 4th diode are unlocked with through positive current when with box lunch positive current being applied to the first terminal of said rectifier, and second diode and the 3rd diode are unlocked with through negative current when negative current is imposed on second terminal of said rectifier, thereby sense of current is stablized.
4. the power supply that is used for thermoelectric element according to claim 1, wherein, said charging device comprises:
Charging circuit, this charging circuit are used for becoming battery charge power with the control charging DC power transfer after the rectification of said rectifier input;
Battery, this battery are used for charging through the power that said charging circuit provides and the power after the charging being discharged; And
Control unit, this control unit are used for the charged state of the said battery of sensing to control said charging circuit.
5. the power supply that is used for thermoelectric element according to claim 4, wherein, said charging device also comprises the display unit of the charged state that is used to show said battery.
6. the power supply that is used for thermoelectric element according to claim 1, wherein, said battery is a secondary cell.
7. the power supply that is used for thermoelectric element according to claim 1, wherein, said battery is a capacitor.
8. the power supply that is used for thermoelectric element according to claim 1, wherein, said battery is the capacitor that is used to charge.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020100090695A KR20120028692A (en) | 2010-09-15 | 2010-09-15 | Power supply for thermoelectric element |
| KR10-2010-0090695 | 2010-09-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102403773A true CN102403773A (en) | 2012-04-04 |
Family
ID=45885682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105996754A Pending CN102403773A (en) | 2010-09-15 | 2010-12-14 | Power Supply For Thermoelectric Element |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2012065532A (en) |
| KR (1) | KR20120028692A (en) |
| CN (1) | CN102403773A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61227643A (en) * | 1985-03-31 | 1986-10-09 | 東芝ライテック株式会社 | Monitor for battery |
| JPH02237468A (en) * | 1989-03-08 | 1990-09-20 | Hitachi Ltd | Power converter |
| JPH05312454A (en) * | 1992-05-08 | 1993-11-22 | Toshiba Corp | Electronic refrigerator |
| JPH1137600A (en) * | 1997-07-14 | 1999-02-12 | Aisin Seiki Co Ltd | Power source for peltier element |
| CN1470013A (en) * | 2000-05-22 | 2004-01-21 | Active cooling system for CPU and semiconductors also enabling thermal acceleration | |
| JP2004274875A (en) * | 2003-03-07 | 2004-09-30 | Yamaha Motor Co Ltd | Charging apparatus for motor vehicle |
| CN2882081Y (en) * | 2006-02-27 | 2007-03-21 | 邓小龙 | High power energency power supply for input circuit equipment with rectifier filter power supply |
| JP2007101081A (en) * | 2005-10-05 | 2007-04-19 | Orion Mach Co Ltd | Thermo-module controller |
| CN201063385Y (en) * | 2007-07-28 | 2008-05-21 | 张龙平 | Plug/socket with commutation function |
-
2010
- 2010-09-15 KR KR1020100090695A patent/KR20120028692A/en not_active Application Discontinuation
- 2010-12-13 JP JP2010276769A patent/JP2012065532A/en active Pending
- 2010-12-14 CN CN2010105996754A patent/CN102403773A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61227643A (en) * | 1985-03-31 | 1986-10-09 | 東芝ライテック株式会社 | Monitor for battery |
| JPH02237468A (en) * | 1989-03-08 | 1990-09-20 | Hitachi Ltd | Power converter |
| JPH05312454A (en) * | 1992-05-08 | 1993-11-22 | Toshiba Corp | Electronic refrigerator |
| JPH1137600A (en) * | 1997-07-14 | 1999-02-12 | Aisin Seiki Co Ltd | Power source for peltier element |
| CN1470013A (en) * | 2000-05-22 | 2004-01-21 | Active cooling system for CPU and semiconductors also enabling thermal acceleration | |
| JP2004274875A (en) * | 2003-03-07 | 2004-09-30 | Yamaha Motor Co Ltd | Charging apparatus for motor vehicle |
| JP2007101081A (en) * | 2005-10-05 | 2007-04-19 | Orion Mach Co Ltd | Thermo-module controller |
| CN2882081Y (en) * | 2006-02-27 | 2007-03-21 | 邓小龙 | High power energency power supply for input circuit equipment with rectifier filter power supply |
| CN201063385Y (en) * | 2007-07-28 | 2008-05-21 | 张龙平 | Plug/socket with commutation function |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20120028692A (en) | 2012-03-23 |
| JP2012065532A (en) | 2012-03-29 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120404 |