CN204304846U - A kind of thermoelectric power generation chip with temperature sensing function - Google Patents
A kind of thermoelectric power generation chip with temperature sensing function Download PDFInfo
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- CN204304846U CN204304846U CN201420776574.3U CN201420776574U CN204304846U CN 204304846 U CN204304846 U CN 204304846U CN 201420776574 U CN201420776574 U CN 201420776574U CN 204304846 U CN204304846 U CN 204304846U
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- conducting plate
- lower heat
- heat
- thermoelectric element
- type thermoelectric
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Abstract
The utility model discloses a kind of focus power-generating chip with temperature sensing function, the electrothermal module comprising box body, the upper heat-conducting plate of metal material in box body, lower heat-conducting plate and be clamped between described upper and lower heat-conducting plate; Insulating barrier is provided with between described electrothermal module and described upper and lower heat-conducting plate; Described upper heat-conducting plate and lower heat-conducting plate interfix in the position at the two left and right two ends, and the expansion of metal coefficient of described upper heat-conducting plate is greater than the expansion of metal coefficient of described lower heat-conducting plate.The thermoelectric power generation chip with temperature sensing function of the present utility model, integrate temperature-sensitive, function of supplying power, thus rapid feedback can be carried out after temperature reaches upper threshold in security against fire, job safety field thus report to the police, and without the need to arranging external power supply to temperature alarming device.
Description
Technical field
The utility model relates to thermoelectric effect application, particularly relates to a kind of thermoelectric power generation chip with temperature sensing function.
Background technology
Thermoelectric effect refers to when the electronics in heated object is because being moved toward low-temperature space from high-temperature region along with temperature gradient, a kind of phenomenon of generation current or electric charge accumulation.Thermoelectric effect is widely used in every field, such as thermocouple, thermoelectric generator, refrigerating chip etc.Heat energy is directly transformed into electric energy by thermoelectric power generation exactly, and the thermal energy of movement is become electric energy by the heat produced by high temperature and the temperature difference of low temperature, makes it generate electricity.All there is the temperature difference in place any on the earth, has unlimited Utilization prospects, and application can from family until the whole earth, and available heat source temperature scope is also comparatively wide.Such as Chinese patent literature CN 102195535 A discloses a kind of thermo-electric generator system, relate to the thermo-electric generator system comprising thermoelectric element and control unit, temperature difference between first active surface of described element and the second active surface of described element can be changed into electricity to generate electrical power by heat energy by this thermoelectric element between the described system operating period, and this control unit is for controlling the electrical power of described element generation during use to meet the current power demand applied described thermoelectric element.For another example Chinese patent literature CN 102754230 A also discloses a kind of thermoelectric generation module; And thermoelectric heat generation system disclosed in Chinese patent literature CN 103346701A.For the application in refrigerating chip field, such as a kind of semiconductor refrigeration chip assembly disclosed in Chinese patent literature CN 102192613 A.Along with countries in the world are more and more paid attention to environmental protection, the development of green clean energy resource gets most of the attention, the various energy effectively utilize technology also more and more praise highly by people, all kinds of correlation technique of thermoelectric effect and application thereof also have more vast potential for future development.
Thermoelectric power generation chip is the core in thermoelectric power generation technology, but form array form by P type thermoelectric element and N-type thermoelectric element in the encapsulating structure of thermoelectric power generation chip of the prior art and be mutually composed in series the thermoelectric generation module of a conductive channel, directly be fixed on the heat-conducting plate of upper and lower both sides, whole thermoelectric power generation chip rejection after part original paper damages, not easily carries out disassembly & recycling; Chip can not bend simultaneously, cannot use the occasion that some special constructions require, such as need to carry out the field of monitoring temperature relating to security against fire, job safety etc., when likely adopting flexible chip to realize some specific function, thermoelectric power generation chip of the prior art just cannot meet the demands.And fire-fighting in the prior art, job safety field, such as a kind of analog linear temperature-sensing fire detecting cable based on fused insulating layer disclosed in Chinese patent literature CN200520121813.2, its form large area by cable is laid, be not suitable for using at home, and connect external power supply, this often maintenance of just having to, what prevent power-fail from causing cannot report to the police.
Utility model content
Therefore, the technical problems to be solved in the utility model is to provide a kind of thermoelectric power generation chip integrating temperature-sensitive, function of supplying power, thus rapid feedback can be carried out after temperature reaches upper threshold in security against fire, job safety field thus report to the police, and without the need to arranging the thermoelectric power generation chip with temperature sensing function of external power supply to temperature alarming device.
To achieve these goals, a kind of thermoelectric power generation chip with temperature sensing function of the present utility model, the electrothermal module comprising box body, the upper heat-conducting plate of metal material in box body, lower heat-conducting plate and be clamped between described upper and lower heat-conducting plate; Insulating barrier is provided with between described electrothermal module and described upper and lower heat-conducting plate; Described upper heat-conducting plate and lower heat-conducting plate interfix in the position at the two left and right two ends, and the expansion of metal coefficient of described upper heat-conducting plate is greater than the expansion of metal coefficient of described lower heat-conducting plate; Described electrothermal module comprises with multiple P type thermoelectric element of array arranged in form and multiple N-type thermoelectric element, described multiple P type thermoelectric element and multiple N-type thermoelectric element are composed in series a conductive channel mutually, and the two ends of described conductive channel are electrically connected mutually with described upper heat-conducting plate and described lower heat-conducting plate respectively; Gap is had between described upper heat-conducting plate and the top board of described box body; Described top board comprises the NTC(negative temperature coefficient on the downside of metallic plate and metallic plate) fused insulating layer that the downside of material layer and described NTC material layer is arranged, described metallic plate is connected with the first wire, and described lower heat-conducting plate is connected with the second wire.
Described multiple P type thermoelectric element and multiple N-type thermoelectric element are respectively cylindrical shape.
Described multiple P type thermoelectric element and multiple N-type thermoelectric element are arranged in the contiguous block of an insulation respectively; Each described contiguous block comprises the collar and is separately positioned on inserted block and the fixture block at cover ring diameter two ends; Two inner faces that described fixture block contacts with described inserted block are respectively arranged with axis hole, and the both sides of described inserted block are provided with the projection corresponding with described axis hole.
On two inner faces that described fixture block contacts with described inserted block, also offer gathering sill being positioned at the position above axis hole.
Adopt technique scheme, the thermoelectric power generation chip with temperature sensing function of the present utility model, in use described first wire and the second wire can be connected on external power consumption equipment, such as fire protection warning device, when a fire, temperature is passed to lower heat-conducting plate side from upper heat-conducting plate side.Along with the rising of temperature, on, lower heat-conducting plate meeting expanded by heating, because the coefficient of expansion of upper heat-conducting plate is larger, therefore go up, the middle part of lower heat-conducting plate can upwards be heaved, thus upper heat-conducting plate can touch fused insulating layer and form extruding to fused insulating layer, and NTC material is negative temperature coefficient material, namely along with the rising resistance value of temperature can be more and more lower, when temperature is elevated to a certain degree, fused insulating layer starts to melt or soften, thus upper heat-conducting plate makes fused insulating layer be out of shape or come off by extruding, upper heat-conducting plate contacts with NTC material layer, NTC material layer Yin Wendu raises and conducts electricity, thus complete the connection of the first wire and the second wire, whole electric loop UNICOM.Thermoelectric power generation chip in this technical scheme, connects without the need to configuring power supply in addition again in circuit, along with temperature self generation current is that electrical appliance in circuit is powered, therefore can not occur power supply in prior art for a long time need not and the defect that lost efficacy.Thermoelectric power generation chip of the present utility model, easy to use, be applicable to very much the use of fixed point fireproof alarming, be not only applicable to the ground such as factory floor, be also applicable to household and use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the partial enlarged drawing in A portion in Fig. 1.
Fig. 3 is the structural representation of contiguous block in the utility model.
Fig. 4 is the structural representation of electrothermal module case of bending in the utility model.
Embodiment
Below by way of the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1-2, the present embodiment provides a kind of thermoelectric power generation chip with temperature sensing function, the electrothermal module 3 comprising box body 1, the upper heat-conducting plate 201 of metal material in box body 1, lower heat-conducting plate 202 and be clamped between described upper and lower heat-conducting plate; Be provided with insulating barrier 203 between described electrothermal module 3 and described upper heat-conducting plate 201, between described electrothermal module 3 and described upper heat-conducting plate 202, be provided with insulating barrier 204.
Described upper heat-conducting plate 201 interfixes in the position at the two left and right two ends with lower heat-conducting plate 202, and the expansion of metal coefficient of described upper heat-conducting plate 201 is greater than the expansion of metal coefficient of described lower heat-conducting plate 202.When heated, upper heat-conducting plate 201 expands with lower heat-conducting plate 202 simultaneously, but the expansion of upper heat-conducting plate 201 is comparatively violent, therefore goes up heat-conducting plate 201 and is bent upwards with the middle part of lower heat-conducting plate 202 simultaneously.
Described electrothermal module 3 comprises with multiple P type thermoelectric element of array arranged in form and multiple N-type thermoelectric element, described multiple P type thermoelectric element and multiple N-type thermoelectric element are composed in series a conductive channel mutually, and the two ends of described conductive channel are electrically connected mutually respectively by call wire 301,302 and described upper heat-conducting plate 201 and described lower heat-conducting plate 202.
Gap is had between described upper heat-conducting plate 201 and the top board of described box body 1; The fused insulating layer 101c that the downside that described top board comprises NTC material layer 101b on the downside of metallic plate 101a and metallic plate 101a and described NTC material layer 101b is arranged, described metallic plate 101a is connected with the first wire 4, and described lower heat-conducting plate 202 is connected with the second wire 5.
In use described first wire 4 and the second wire 5 can be connected on external power consumption equipment, and such as fire protection warning device, when a fire, as shown in Figure 4, temperature is passed to lower heat-conducting plate side from upper heat-conducting plate side.Along with the rising of temperature, on, lower heat-conducting plate meeting expanded by heating, because the coefficient of expansion of upper heat-conducting plate is larger, therefore go up, the middle part of lower heat-conducting plate can upwards be heaved, thus upper heat-conducting plate can touch fused insulating layer and form extruding to fused insulating layer, and NTC material is negative temperature coefficient material, namely along with the rising resistance value of temperature can be more and more lower, when temperature is elevated to a certain degree, fused insulating layer starts to melt or soften, thus upper heat-conducting plate makes fused insulating layer be out of shape or come off by extruding, upper heat-conducting plate contacts with NTC material layer, NTC material layer Yin Wendu raises and conducts electricity, thus complete the connection of the first wire and the second wire, whole electric loop UNICOM, the electricity that electrothermal module produces drives fire protection warning device to report to the police.
The thermoelectric power generation chip with temperature sensing function in this technical scheme, connect in circuit without the need to configuring power supply in addition again, along with temperature self generation current is that electrical appliance in circuit is powered, therefore can not occur power supply in prior art for a long time need not and the defect that lost efficacy.Thermoelectric power generation chip of the present utility model, easy to use, be applicable to very much the use of fixed point fireproof alarming, be not only applicable to the ground such as factory floor, be also applicable to household and use.
Described upper and lower heat-conducting plate 201,202 interfixes at the locking unit 6 of the two left and right end positions by insulation, and described locking unit 6 can be bolt fastening structure, also can be riveted structure, can also be plastic package structure.
As shown in Figure 3-4, described multiple P type thermoelectric element and multiple N-type thermoelectric element are respectively cylindrical shape and are arranged in a contiguous block 303; Each described contiguous block 303 comprises the collar 304 and is separately positioned on inserted block 305 and the fixture block 306 at the collar 304 diameter two ends; Two inner faces that described fixture block 306 contacts with described inserted block 305 are respectively arranged with axis hole 307, and the both sides of described inserted block 305 are provided with the projection 308 corresponding with described axis hole 307.
On two inner faces that described fixture block 306 contacts with described inserted block 305, also offer gathering sill 309 being positioned at the position above axis hole 307.
During installation, the projection 308 of a contiguous block is put in the gathering sill 309 of another contiguous block from top, then moves down, make protruding 308 to move downward until enter in axis hole 307.Two adjacent contiguous blocks can rotate for axis mutually with axis hole 307.
Because gathering sill 309 is for offer straight up, instead of offer in the horizontal direction, thus avoid two adjacent contiguous blocks easily disengaging mutually in the lateral direction.
Claims (4)
1. there is a thermoelectric power generation chip for temperature sensing function, it is characterized in that: the electrothermal module comprising box body, the upper heat-conducting plate of metal material in box body, lower heat-conducting plate and be clamped between described upper and lower heat-conducting plate; Insulating barrier is provided with between described electrothermal module and described upper and lower heat-conducting plate; Described upper heat-conducting plate and lower heat-conducting plate interfix in the position at the two left and right two ends, and the expansion of metal coefficient of described upper heat-conducting plate is greater than the expansion of metal coefficient of described lower heat-conducting plate; Described electrothermal module comprises with multiple P type thermoelectric element of array arranged in form and multiple N-type thermoelectric element, described multiple P type thermoelectric element and multiple N-type thermoelectric element are composed in series a conductive channel mutually, and the two ends of described conductive channel are electrically connected mutually with described upper heat-conducting plate and described lower heat-conducting plate respectively; Gap is had between described upper heat-conducting plate and the top board of described box body; The fused insulating layer that the downside that described top board comprises NTC material layer on the downside of metallic plate and metallic plate and described NTC material layer is arranged, described metallic plate is connected with the first wire, and described lower heat-conducting plate is connected with the second wire.
2. the thermoelectric power generation chip with temperature sensing function according to claim 1, is characterized in that: described multiple P type thermoelectric element and multiple N-type thermoelectric element are respectively cylindrical shape.
3. the thermoelectric power generation chip with temperature sensing function according to claim 1, is characterized in that: described multiple P type thermoelectric element and multiple N-type thermoelectric element are arranged in the contiguous block of an insulation respectively; Each described contiguous block comprises the collar and is separately positioned on inserted block and the fixture block at cover ring diameter two ends; Two inner faces that described fixture block contacts with described inserted block are respectively arranged with axis hole, and the both sides of described inserted block are provided with the projection corresponding with described axis hole.
4. the thermoelectric power generation chip with temperature sensing function according to claim 3, is characterized in that: on two inner faces that described fixture block contacts with described inserted block, also offers gathering sill being positioned at the position above axis hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420776574.3U CN204304846U (en) | 2014-12-11 | 2014-12-11 | A kind of thermoelectric power generation chip with temperature sensing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420776574.3U CN204304846U (en) | 2014-12-11 | 2014-12-11 | A kind of thermoelectric power generation chip with temperature sensing function |
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| Publication Number | Publication Date |
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| CN204304846U true CN204304846U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420776574.3U Expired - Fee Related CN204304846U (en) | 2014-12-11 | 2014-12-11 | A kind of thermoelectric power generation chip with temperature sensing function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114463906A (en) * | 2020-11-10 | 2022-05-10 | 群光电子股份有限公司 | Door bell device |
-
2014
- 2014-12-11 CN CN201420776574.3U patent/CN204304846U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114463906A (en) * | 2020-11-10 | 2022-05-10 | 群光电子股份有限公司 | Door bell device |
| CN114463906B (en) * | 2020-11-10 | 2023-09-26 | 群光电子股份有限公司 | doorbell device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20161211 |
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| CF01 | Termination of patent right due to non-payment of annual fee |