CN103546995B - Constant power electric calorifie installation - Google Patents
Constant power electric calorifie installation Download PDFInfo
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- CN103546995B CN103546995B CN201210239968.0A CN201210239968A CN103546995B CN 103546995 B CN103546995 B CN 103546995B CN 201210239968 A CN201210239968 A CN 201210239968A CN 103546995 B CN103546995 B CN 103546995B
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Abstract
A kind of constant power electric calorifie installation, comprises a power module, several heating and a switch unit. Power module cooperation obtains the dc source of any battery in several batteries with different input voltages; Described heating has the load that can be subject to the electric energy of dc source to order about generation heat energy; Switch unit switches different loads according to different input voltages, and the output power that order loads on load is in constant scope; Due to applicable multiple battery, not only make consumer easy to use, and also easy keyholed back plate material/part of manufacturer.
Description
Technical field
The present invention, about a kind of electric calorifie installation, refers to that one coordinates various input voltage and can maintain fixing especiallyThe constant power electric calorifie installation of power output.
Background technology
In cold season, wearing electrically-heated suit next to the skin or electric shoes is indispensable resisting cold modes, forFacilitate action, must use powered battery.
Consult Fig. 1 and Fig. 2, known a kind of electric calorifie installation mainly comprises a control box 940 and a heating wire913。
Heating wire 913 self is bent into several bending segments so that thermally equivalent in presumptive area, can alsoTubulose or block heating replace heating wire 913; Between heating wire 913 and control box 940 with wire 914 electricityProperty connects.
Control box 940 has a control circuit 920 and a battery pack 930, and control circuit 920 has oneSwitch element 921 and an automatic temperature control circuit 922, switch element 921 in order to control current lead-through withNo, automatic temperature control circuit 922 can be controlled and heat by temperature sensor just and automatically; When switch element 921 is openedQi Houke makes the current flowing heating wire 913 of battery pack 930, and reaches effect of resisting cold.
But similarly electric calorifie installation can only use the battery of single input voltage specification, cannot use differenceThe battery of input voltage specification is originated as supply of electric power.
In addition, the thermoelectric device (thermoelectricapparatus) of No. 5576512 patent of the known U.S. is passableBe applied to high low input, have sensing circuit, series circuit and parallel circuit, sensing circuit can detectVoltage source is low-voltage (loweroperatingvoltages) or high voltage (higheroperatingvoltages),And by the configuration mode (parallelelectrical in parallel that controls heating when the low-voltageConfiguration) reach complete cooling or full heating (fullcoolingorheating), and in high voltage time controlThe arranged in series mode (serialelectricalconfiguration) of heating processed is reached half cooling or half heating(halfcoolingorheating) switching.
But the circuit design of electric calorifie installation is comparatively complicated as the aforementioned, and cannot be according to different Voltage-outputsFixing power.
Summary of the invention
Therefore,, in order to overcome above-mentioned disappearance, the object of this invention is to provide one and can save element cost and canUse the battery of different input voltage specifications as the constant power electric calorifie installation in supply of electric power source.
This constant power electric calorifie installation is applicable to accept any powered battery of several different input voltages, bagContaining power module, multiple heating and a switch unit. This power module is electrically connected wherein onePlant the battery of input voltage and obtain a dc source corresponding to this input voltage with cooperation; These electric heating unitsPart is electrically connected this power module, and respectively this heating has one and can be subject to the electric energy of this dc source to order about productThe load of heat-dissipating energy; This switch unit is electrically connected between this power module and these heatings, foundationWhether, order is load always defeated of this heating respectively for the ground connection that different input voltage values switch each this heatingGo out power and be controlled at constant scope.
Preferably, respectively this heating be closely adjacent to each other parallel side by side, or be closely adjacent to each other be laid staggeredly inIn one region.
Preferably, this power module provides first magnitude of voltage or one to be greater than second of this first magnitude of voltageThe dc source of magnitude of voltage; These heatings comprise first heating and a second electric heating unitPart, this first heating receives this dc source, and this second heating connects respectively this first electric heating unitPart and ground connection; And this switch unit is at least one switch element, this switch element is connected in this first electric heatingBetween element and this second heating, changeablely make this first heating directly grounded first for onePattern, or a kind of the second pattern that makes this first heating and the rear ground connection of this second heating series connection; WhenThis switch element switches to this first mode, first resistance and this first voltage of this first heatingValue matches and exports first power; When this switch element switches to this second pattern, this first electric heating unitSecond resistance of part and the series connection of this second heating, matches with this second voltage value, exports oneThe second power; By this, make this first power of different input voltage values and this second power be controlled at constant modelEnclose.
Preferably, this power module provides first magnitude of voltage, one to be greater than second of this first magnitude of voltageMagnitude of voltage, or a dc source that is greater than the tertiary voltage value of this second voltage value; These heating bagsDraw together first heating, second heating and the 3rd heating, this first electric heating unitPart receives this dc source, and this second heating connects respectively this first heating and the 3rd electric heating unitPart, the 3rd heating connects respectively this second heating and ground connection; And this switch unit comprises oneThe first switch and a second switch; When this power module provides this first magnitude of voltage, this first switch is for logicalRoad and this second switch, for open circuit, make directly grounded the first resistance of this first heating, with this first electricityPressure value matches, and exports first power; When this power module provides this second voltage value, this first is openedClosing is that open circuit and this second switch are path, makes this first heating and the rear ground connection of the second heating series connectionThe second resistance, match with this second voltage value, export second power; When this power module providesThis tertiary voltage value, this first switch and this second switch are all open circuit, make this first heating, thisAfter two heatings and the series connection of the 3rd heating, the 3rd resistance of ground connection, matches with this tertiary voltage valueClose, export the 3rd power; By this, make this first power, this second power of different input voltage valuesAnd the 3rd power be controlled at constant scope.
The beneficial effect of constant power electric calorifie installation of the present invention is: be suitable for several and have different input voltagesThe power module of battery provides the dc source of any battery; Switch unit is according to different input voltage correspondencesSwitch load, makes the output power of load in constant scope, allows the battery of different input voltage specifications canOriginate as supply of electric power; Due to applicable multiple battery, not only make consumer easy to use, and manufacturer also holdEasily keyholed back plate material/part.
Brief description of the drawings
Fig. 1 is a kind of existing schematic diagram that makes battery-powered a kind of electric calorifie installation;
Fig. 2 is the circuit diagram of the control circuit of an electric calorifie installation as shown in Figure 1;
Fig. 3 be a preferred embodiment of the present invention the system block diagrams of constant power electric calorifie installation;
Fig. 4 is the system block diagrams that the switch element of constant power electric calorifie installation of the present invention is path;
Fig. 5 is that the switch element of constant power electric calorifie installation of the present invention is the system block diagrams of open circuit;
Fig. 6 is the signal of each heating configuration mode parallel to each other of constant power electric calorifie installation of the present inventionFigure;
Fig. 7 is the signal of each heating configuration mode interlaced with each other of constant power electric calorifie installation of the present inventionFigure;
Fig. 8 is that three groups of heating earthing modes of switching of constant power electric calorifie installation of the present invention make first to openClose is that path and second switch are the system block diagrams of open circuit;
Fig. 9 is that three groups of heating earthing modes of switching of constant power electric calorifie installation of the present invention make first to openClose as the system block diagrams of opening a way and second switch is path;
Figure 10 is that three groups of heating earthing modes of switching of constant power electric calorifie installation of the present invention make firstSwitch and second switch are all the system block diagrams of open circuit.
Detailed description of the invention
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing to of the present inventionDetailed description of the invention elaborates. First it should be noted that, the present invention is not limited to following detailed description of the invention,The spirit that those skilled in the art should embody from following embodiment is understood the present invention, and each technical term canTo do the most wide in range understanding based on Spirit Essence of the present invention. In figure, same or analogous member adopts identical attachedFigure mark represents.
Consult Fig. 3, the present invention is to provide a kind of battery of different input voltage specifications that uses as supply of electric powerThe constant power electric calorifie installation 100 in source, constant power electric calorifie installation 100 can be made into an electric blanket,The electric heating products such as part electrically-heated suit, an electric heating shoes or an Electrothermic trousers, should be noted, the present invention defines" constant power " be error for example lower than the scope of 1 to several watts in, namely mean user's impressionThe power output that does not have big-difference is " constant power ".
Constant power electric calorifie installation 100 is applicable to accept any powered battery of several different input voltages,Comprise a power module 1, multiple heating 31～3n and a switch unit 2.
The battery that power module 1 is electrically connected a kind of input voltage wherein with cooperation obtain one defeated corresponding to thisEnter the dc source of voltage, taking frigid zone country as example, because how the consumer of frigid zone country can make electricity consumption conventionallyHot far infrared or electric tool etc., if electric shoes are the batteries that use 7.4V, electric tool (batteryPowertool) have again the battery of 11.1V and 18V, for convenience of description for the purpose of, on the present invention is designed to useState battery specification as 7.4 volts, 11.1 volts or 18 volts, certainly, except the battery of aforementioned specification, other are similarThe power supply of different voltages also can apply concept of the present invention, not taking the battery of aforementioned specification as restriction.
Thus, consumer can use the existing battery in family and not need to buy separately again; Moreover, pinThe manufacturer's (mostly being frigid zone sporting goods business or electric tool business) that sells this type of electric calorifie installation also needn't prepare manyPlant the battery of specification, and be beneficial to material/part keyholed back plate.
Described heating 31～3n is subject to the electric energy of dc source to order about generation heat energy, each heating 31～3nBe electrically connected power module 1, each heating 31～3n has one and ordered about by the electric energy of this dc sourceProduce the load of heat energy; Switch unit 2 be electrically connected at power module 1 and these heatings 31～3n itBetween, power supply, to each heating 31～3n, coordinates the input voltage value of different batteries to set corresponding switching mouldWith the ground connection of switching each heating 31～3n whether formula, makes the dc source of different input voltage values load onWhen described heating 31～3n, the gross output of its described heating 31～3n matching is all controlledIn constant scope.
In this preferred embodiment, switch unit 2 is according to different input voltage values, to switch respectively this electric heating unitPart 31～3n ground connection is whether mode, makes the power output of different input voltage values all be controlled at constant scope.
Consult Fig. 4 and Fig. 5, for switching the first case of each heating 31～32 ground connection whether mode, wherein,Just (+) end of power module 1 provides a first magnitude of voltage V1 (as Fig. 4) or one to be greater than the first magnitude of voltage V1The dc source of second voltage value V2 (as Fig. 5); Described heating comprises first heating 31And second heating 32, the first heatings 31 receive dc source, the second heating 32 differenceConnect the first heating 31 and ground connection (negative (-) end of power module 1).
Switch unit 21 in this preferred embodiment is switch elements, and it is connected in the first heating31 and second between heating 32, changeablely makes directly grounded the first mould of the first heating 31 for oneFormula (as Fig. 4), or a kind of the second mould that makes the first heating 31 and the rear ground connection of the second heating 32 series connectionFormula (as Fig. 5).
Consult Fig. 4, when just (+) end of power module 1 provides the first magnitude of voltage V1 (as: 7.4 volts), can will cutChange unit 21 and switch to first mode, make directly grounded first resistance of the first heating 31 (as:7.4 ohm) first power of output (7.4 watts) matches with the first magnitude of voltage (7.4 volts).
Consult Fig. 5, when just (+) end of power module 1 provides the first magnitude of voltage V1 (as: 11.1 volts), switchUnit 21 switches to the second pattern, makes one of the first heating 31 and the rear ground connection of the second heating 32 series connectionIndividual the second resistance (as: 16.6 ohm) matches with second voltage value (11.1 volts) and exports second power(7.3 watts), and the second power (7.3 watts) is all controlled at constant scope with the first power (7.4 watts).
Preferably, the first heating 31 and the second heating 32 can be heating wire, tubulose or block electric heatingElement, and be laid in fabric same of electric blanket, electrically-heated suit, electric heating shoes or any electric heating products of Electrothermic trousersIn one region.
Consult Fig. 6, the first heating 31 and the second heating 32 are closely adjacent to each other and are parallelly laid in that this is pre-Determine in region, its configuration mode is for example: the first heating 31 is autologous is bent into several bending segments so that shouldThermally equivalent in presumptive area, same, the second heating 32 is autologous is bent into several bending segments so that shouldThermally equivalent in presumptive area; But, being configured between the first heating 31 and the second heating 32Parallel laying, namely the spacing d between the first heating 31 and the second heating 32 are closely adjacent to each otherMuch smaller than the internal diameter of the autologous bending segment of the first heating 31 (or second heating 32), or spacing dEqual 0, thus, no matter the first heating 31 or the second heating 32 generate heat, due to position phaseClosely, can be because position be different compared with not in user's impression difference to some extent.
Consult Fig. 7, the first heating 31 and the second heating 32 are closely adjacent to each other and are laid staggeredly in predeterminedIn region, its configuration mode is for example: the first heating 31 is autologous is bent into several bending segments with inner diameter DSo that thermally equivalent in this presumptive area is same, second heating 32 is autologous is also bent into inner diameter DSeveral bending segments are so that the interior thermally equivalent of this presumptive area; But, the first heating 31 and the second electric heating unitBeing configured between part 32 is closely adjacent to each other and is laid staggeredly, namely the first heating 31 and the second electric heating unitSpacing d between part 32 equals 0 much smaller than inner diameter D or spacing d, thus, and no matter the first heating31 or second heating 32 generate heat, because position is close, more can be because of position in user's impressionDifferent and difference to some extent.
Need special instruction, Fig. 6 and Fig. 7 are only unrestricted for illustration, know this area personage when knowing each electricityThermal element configuration mode, as long as adjacent spacing is minimum between two, can reach similar effect, all belongs to the present inventionConcept category in one's power.
Refer to Fig. 8 to Figure 10, for switching each the first heating 31, the second heating 32 and the 3rd electricityThermal element 33 ground connection are whether mode, the first heating 31, the second heating 32 and the 3rd heating33 can be heating wire, tubulose or block heating, be laid in side by side electric blanket, electrically-heated suit, electric heating shoes orIn the same area of the fabric of any electric heating products of Electrothermic trousers, also can be designed to be closely adjacent to each other also parallelRow, or the paving mode being laid staggeredly in the same area that is closely adjacent to each other.
In the present embodiment, the resistance value of the first heating 31 is 7.4 ohm, the electricity of the second heating 32Resistance is 11.1 ohm, and the resistance value of the 3rd heating 33 is 27 ohm; Switch unit 22 comprises oneThe first switch 221 and a second switch 222, utilize aforementioned circuit design, can make different input voltage values,Comprise that a first magnitude of voltage V1 (as: 7.4 volts), one are greater than the second voltage value of the first magnitude of voltage V1V2 (as: 11.1 volts), or a tertiary voltage value V3 (as: 18 volts) who is greater than second voltage value V2, designThe principle that its power output is all controlled between 7.4～7.6 watts of constant scopes is described as follows.
Consult Fig. 8, when just (+) end of power module 1 provides the first magnitude of voltage V1 (as: 7.4 volts), first opensClosing 221 is that path and second switch 222 are open circuit, makes directly grounded the first resistance of the first heating 31(7.4 ohm), match with the first magnitude of voltage V1 (7.4 volts), export first power (7.4 watts).
Consult Fig. 9, when just (+) end of power module 1 provides second voltage value V2 (as: 11.1 volts), firstSwitch 221 is that open circuit and second switch 222 are path, and the first heating 31 and the second heating 32 are gone here and thereAfter connection, second resistance (7.4+9.25=16.25 ohm) of ground connection, matches with second voltage value V2 (11.1 volts)Close output one second power (7.58 watts).
Consult Figure 10, when just (+) end of power module 1 provides tertiary voltage value V3 (as: 18 volts), first opensPass 221 and second switch 222 are all open circuit, make the first heating 31, the second heating 32 and the 3rd electricityThe 3rd resistance (7.4+9.25+27=43.25 ohm) of ground connection after thermal element 33 series connection, with tertiary voltage value V3(18 volts) match, and export the 3rd power (7.49 watts).
By previous designs, can make different input voltage value V1 (as: 7.4 volts), V2 (as: 11.1 volts) and V3 (as:18 volts) power output be respectively 7.49 watts, 7.58 watts and 7.49 watts, therefore really order can be controlled output workRate is between 7.4～7.6 watts of constant scopes; In addition, the first heating 31, second electric heating of the present embodimentElement 32 and the 3rd heating 33 can be heating wire, and can be laid in electric blanket, electrically-heated suit, electric heating shoes orIn the same area of the fabric of the electric heating products such as Electrothermic trousers, allow being heated evenly of this region.
Therefore, effect of constant power electric calorifie installation 100 of the present invention is:
1. power output is constant: power module 1 can cooperation be obtained several and have the battery of different input voltage valuesIn the dc source of any battery; Switch unit 2 is powered to heating 31～3n, according to different electricityThe input voltage value in pond is set corresponding load, makes the dc source of different input voltage values load on electric heating unitWhen part 31～3n, the power output of these heatings 31～3n that it matches is all controlled at constant scope,Allow the battery of different input voltage specifications can be used as supply of electric power source and can obtain the output work of constant scopeRate.
2. be suitable for producing in a large number and saving cost: be suitable for multiple battery, not only make consumer easy to use,And manufacturer is also conducive to material/part keyholed back plate.
3. stability is high: compared to adopt the pulse wave control mode of microprocessor easily cause occurring boiling hot andThe problem that battery is easily damaged, power output of the present invention is constant, does not have problem boiling hot and battery damage.
4. heating efficiency is good: only need simple component, and can be according to different electricity without complicated designPress the fixing power of output, the electric power that avoids waste is at unnecessary active or passive element, compared to complicated electricityThere is higher heating efficiency on road.
Heating 31～3n be designed to be closely adjacent to each other parallel side by side, or be closely adjacent to each other and be laid staggeredlyPaving mode in the same area, makes user be difficult for because the power output of changing after battery has change slightlyChange and feel difference to some extent.
In sum, constant power electric calorifie installation 100 of the present invention is suitable for a large amount of because element composition is uncomplicatedProduce and save cost, and power output is constant, did not therefore also have problem boiling hot and battery damage, thereforeReally can reach object of the present invention.
Should be understood that after having read above-mentioned instruction content of the present invention, those skilled in the art can be to thisInvention makes various changes or modifications, and these equivalent form of values fall within equally the application's appended claims and limitScope.
Claims (4)
1. a constant power electric calorifie installation, is applicable to accept any battery confession of several different input voltagesElectricity, is characterized in that: described constant power electric calorifie installation comprises:
A power module, be electrically connected wherein a kind of input voltage battery with cooperation obtain one corresponding toThe dc source of this input voltage;
Multiple heatings, are electrically connected this power module, order about generation by the electric energy that can be subject to this dc sourceThe tandem load composition of heat energy; And
A switch unit, can switch in a first mode and one second pattern, and this first mode is wherein oneThe direct ground connection of individual heating, this second pattern is ground connection after multiple heating series connection, makes different input electricityThe corresponding different loads of battery of pressing produces constant power output.
2. constant power electric calorifie installation according to claim 1, is characterized in that: respectively this heatingBe closely adjacent to each other parallel side by side, or be closely adjacent to each other and be laid staggeredly in the same area.
3. constant power electric calorifie installation according to claim 2, is characterized in that: described power moduleProvide first voltage or one to be greater than the dc source of the second voltage of this first voltage;
Described heating comprises first heating and second heating, this first electric heating unitPart receives this dc source, and this second heating connects respectively this first heating and ground connection; And
This switch unit is at least one switch element, and this switch element is connected in this first heating and is somebody's turn to doBetween the second heating, changeable for one makes the directly grounded first mode of this first heating, orA kind of the second pattern that makes this first heating and the rear ground connection of this second heating series connection; When this switch unitPart switches to this first mode, and first resistance of this first heating matches defeated with this first voltageGo out first power; When this switch element switches to this second pattern, this first heating and this secondSecond resistance of heating series connection, matches with this second voltage, output one second power; By this, make this first power of different input voltages and this second power be controlled at constant scope.
4. constant power electric calorifie installation according to claim 2, is characterized in that: described power moduleThe second voltage that provides first voltage, one to be greater than this first voltage, or one be greater than this second voltageThe dc source of tertiary voltage;
Described heating comprises first heating, second heating and the 3rd electric heatingElement, this first heating receives this dc source, and this second heating connects respectively this first electric heatingElement and the 3rd heating, the 3rd heating connects respectively this second heating and ground connection; And
This switch unit comprises first switch and a second switch; When this power module provide this firstVoltage, this first switch is that path and this second switch are open circuit, makes this first heating directly groundedThe first resistance, matches with this first voltage, exports first power; When this power module provide thisTwo voltages, this first switch is that open circuit and this second switch are path, makes this first heating and the second electricityAfter thermal element series connection, the second resistance of ground connection, matches with this second voltage, exports second power; WhenThis power module provides this tertiary voltage, and this first switch and this second switch are all open circuit, makes this first electricityThe 3rd resistance of ground connection after thermal element, this second heating and the series connection of the 3rd heating, with the 3rdVoltage matches, and exports the 3rd power; By this, make different input voltages this first power, thisTwo power and the 3rd power are controlled at constant scope.
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| CN201210239968.0A CN103546995B (en) | 2012-07-12 | 2012-07-12 | Constant power electric calorifie installation |
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| CN201210239968.0A CN103546995B (en) | 2012-07-12 | 2012-07-12 | Constant power electric calorifie installation |
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| CN103546995A CN103546995A (en) | 2014-01-29 |
| CN103546995B true CN103546995B (en) | 2016-05-11 |
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| CN103919285B (en) * | 2014-04-29 | 2015-04-15 | 中南林业科技大学 | Novel health-care undergarment |
| CN104812104A (en) * | 2015-05-14 | 2015-07-29 | 安徽省宁国市天成电气有限公司 | Circuit protection structure for heating wire |
| CN108662572A (en) * | 2018-06-12 | 2018-10-16 | 宁波浩嘉电器有限公司 | A kind of steam vaporization mechanism adapting to Width funtion |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201138869Y (en) * | 2007-11-12 | 2008-10-22 | 苏州尼克司建材有限公司 | Vehicle mounted electric heating seat pad |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201138869Y (en) * | 2007-11-12 | 2008-10-22 | 苏州尼克司建材有限公司 | Vehicle mounted electric heating seat pad |
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