CN104467536B - A kind of thermoelectric power generation chip - Google Patents
A kind of thermoelectric power generation chip Download PDFInfo
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- CN104467536B CN104467536B CN201410754846.4A CN201410754846A CN104467536B CN 104467536 B CN104467536 B CN 104467536B CN 201410754846 A CN201410754846 A CN 201410754846A CN 104467536 B CN104467536 B CN 104467536B
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Abstract
The invention discloses a kind of thermoelectric power generation chip, including box body, the upper heat-conducting plate of the metal material being positioned at box body and lower heat-conducting plate, and be clamped in the electrothermal module between described upper and lower heat-conducting plate；It is provided with insulating barrier between described electrothermal module and described upper and lower heat-conducting plate；Described upper heat-conducting plate interfixes in the position at the two left and right two ends with lower heat-conducting plate, and the expansion of metal coefficient of described upper heat-conducting plate is more than the expansion of metal coefficient of described lower heat-conducting plate.The thermoelectric power generation chip of the present invention, integrates temperature-sensitive, function of supplying power such that it is able to carries out rapid feedback after temperature reaches upper threshold in security against fire, job safety field thus reports to the police, and without temperature alarming device is arranged external power supply.
Description
Technical field
The present invention relates to pyroelectric effect application, particularly relate to a kind of thermoelectric power generation chip.
Background technology
Pyroelectric effect refers to when the electronics in heated object is because being moved toward low-temperature space from high-temperature region along with thermograde, produces electric current or a kind of phenomenon of electric charge accumulation.Pyroelectric effect has been widely used in every field, such as thermocouple, thermoelectric generator, refrigerating chip etc..Heat energy is translates directly into electric energy by thermoelectric power generation exactly, and the thermal energy of movement is become electric energy by the heat produced with the temperature difference of low temperature by high temperature so that it is generating.All there is the temperature difference in place any on the earth, it may be said that has unlimited Utilization prospects, and application can be from family until the whole earth, and available heat source temperature scope is the most wide.Such as Chinese patent literature CN
102195535 A disclose a kind of thermo-electric generator system, relate to the thermo-electric generator system including thermoelement 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 during described system uses and generate electrical power will pass through heat energy by this thermoelement, and this control unit controls the electrical power of described element generation to meet the current power demand applying described thermoelement for during use.For another example Chinese patent literature CN
102754230 A also disclose that 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 environmental protection is increasingly paid attention to by countries in the world, the development of green clean energy resource gets most of the attention, and the technology that effectively utilizes of the various energy is the most increasingly praised highly by people, and all kinds of correlation techniques and the application thereof of pyroelectric effect also have broader development prospect.
Thermoelectric power generation chip is the core in thermoelectric power generation technology, but the encapsulating structure of thermoelectric power generation chip of the prior art is formed array form being serially connected by p-type thermoelement and N-type thermoelement and forms the thermoelectric generation module of a conductive channel, it is directly anchored on the heat-conducting plate of upper and lower both sides, whole thermoelectric power generation chip rejection after the damage of part original paper, is difficult to carry out disassembly & recycling；Chip can not be curved simultaneously, the occasion requiring some special constructions cannot use, such as need to carry out the field of monitoring temperature relating to security against fire, job safety etc., when being possible with flexible chip to realize some specific function, thermoelectric power generation chip of the prior art just cannot meet requirement.And fire-fighting in the prior art, job safety field, such as disclosed in Chinese patent literature CN200520121813.2 a kind of analog linear temperature-sensing fire detecting cable based on fused insulating layer, it is laid by the form large area of cable, be not suitable for residential use, and external power supply to be connected, this would have to often overhaul, and prevents what power-fail from causing cannot report to the police.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is to provide a kind of thermoelectric power generation chip integrating temperature-sensitive, function of supplying power, it is thus possible to carry out rapid feedback after temperature reaches upper threshold in security against fire, job safety field thus report to the police, and without temperature alarming device being arranged the thermoelectric power generation chip of external power supply.
To achieve these goals, a kind of thermoelectric power generation chip of the present invention, including box body, the upper heat-conducting plate of metal material in box body, lower heat-conducting plate and be clamped in the electrothermal module between described upper and lower heat-conducting plate；It is provided with insulating barrier between described electrothermal module and described upper and lower heat-conducting plate；Described upper heat-conducting plate interfixes in the position at the two left and right two ends with lower heat-conducting plate, and the expansion of metal coefficient of described upper heat-conducting plate is more than the expansion of metal coefficient of described lower heat-conducting plate；Described electrothermal module includes the multiple p-type thermoelements with array form layout and multiple N-type thermoelement, the plurality of p-type thermoelement and multiple N-type thermoelement are serially connected one conductive channel of composition, by NTC(negative temperature coefficient between two p-type thermoelements and N-type thermoelement adjacent on described conductive channel) line of material is connected；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 includes the fused insulating layer on the downside of metallic plate and metallic plate, and described metallic plate connects the first wire, and described lower heat-conducting plate connects the second wire.
Described upper and lower heat-conducting plate is interfixed by locking unit in the two left and right end positions, and described locking unit includes that rectangular box, the one side of described casing are open side, and described upper and lower heat-conducting plate is inserted into described box house in described open side；Be vertically arranged with the expansion link of insulation at box house, this expansion link includes that the sleeve pipe being positioned at middle part and symmetry are set in the upper bar within sleeve pipe two ends and lower bar；The lower end of described interior bar offers lower stomidium, the upper end of described lower interior bar offers upper end hole, it is provided with compression spring in described sleeve pipe, the upper end of described compression spring is stretched in described lower stomidium and withstands described interior bar, in described upper end hole is stretched in the lower end of described compression spring and withstand described lower interior bar；Described upper heat-conducting plate and the upper end cover of casing offer the upper plate through hole of concentric and upper cover through hole penetrates for the upper end of described interior bar；Described lower heat-conducting plate and the bottom end cover of casing offer the lower plate through hole of concentric and lower cover through hole penetrates for the lower end of described lower interior bar.
The top of described interior bar is provided with the upper stop part projected radially outward in the circumferential；The bottom of described lower interior bar is provided with the lower stop part projected radially outward in the circumferential.
Above upper stop part, it is arranged with Upper gasket on the outer wall of described interior bar；It is arranged with lower gasket in the lower section of lower stop part on the outer wall of described lower interior bar.
Annulus that described Upper gasket includes being positioned at bottom and superposed cylindrical portion, described cylindrical portion extend in described upper plate through hole；Described lower gasket includes superposed annulus and is positioned at the cylindrical portion of bottom, and described cylindrical portion extend in described lower plate through hole.
On sidewall relative with described open side on described casing, centre position offers tensioning through hole, described tensioning through hole has been inserted into nutted rod, one end of described nutted rod is stretched out outside casing, and the other end stretches in casing, and described nutted rod stretches into the one end in casing and withstands on tensioning line；The both sides up and down being positioned at nutted rod in described casing are separately installed with upper roller and bottom roller, the annulus of described Upper gasket is provided with radially outer upper protruding block, the annulus of described lower gasket is provided with radially outer lower protruding block, and the two ends of described tensioning line are connected with lower protruding block with described upper protruding block respectively and described tensioning line walks around described upper roller and bottom roller.
Described upper protruding block is two, lays respectively at the diameter two ends of the annulus of Upper gasket.
Described upper cover through hole, lower cover through hole are screwed hole；The upper end of described interior bar and the bottom of described lower interior bar are provided with the helicitic texture coordinated with described screwed hole；Described sleeve pipe is slidably engaged with keyway arrangements by key with described upper and lower interior bar respectively and is connected.
Being provided with driven wheel of differential on the lateral wall of described sleeve pipe, the sidewall of described casing offers actively axis hole, one end of driving shaft connects the drive bevel gear matched with described driven wheel of differential, and the other end of driving shaft extend in described active axis hole.
Described driving shaft extend on the end face of the one end in described active axis hole and is provided with interior square hole.
The plurality of p-type thermoelement and multiple N-type thermoelement respectively cylindrical shape are also arranged in a contiguous block；Each described contiguous block includes the collar and the inserted block being separately positioned on set ring diameter two ends and fixture block；Being respectively arranged with axis hole on two inner faces that described fixture block contacts with described inserted block, 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, it is further opened with gathering sill being positioned at the position above axis hole.
Use technique scheme, the thermoelectric power generation chip of the present invention, the most described first wire and the second wire can be connected in external electrical equipment, such as fire protection warning device, when a fire, temperature is transferred to lower heat-conducting plate side from upper heat-conducting plate side.Rising along with temperature, on, lower heat-conducting plate meeting expanded by heating, owing to the coefficient of expansion of upper heat-conducting plate is bigger, 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 fused insulating layer is constituted extruding, and the wire body structure that NTC material line is negative temperature coefficient material to be made, i.e. can be more and more lower along with the liter high resistance of temperature, when temperature is increased to a certain degree, fused insulating layer starts to melt or soften, thus upper heat-conducting plate makes fused insulating layer deform or come off by extruding, upper heat-conducting plate contacts with metallic plate thus connects, and NTC material line also can conduct electricity because temperature raises, make to connect between adjacent p-type thermoelement and N-type thermoelement, thus whole electricity loop UNICOM.Thermoelectric power generation chip in this technical scheme, without still further configuring power supply after connecting in circuit, is that the electrical appliance in circuit is powered along with temperature self produces electric current, thus without occur power supply in prior art for a long time need not and the defect that lost efficacy.The thermoelectric power generation chip of the present invention, easy to use, it is especially suitable for pinpointing the use of fireproof alarming, is not only applicable to the ground such as factory floor, be also applied for household and use.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the partial enlarged drawing in A portion in Fig. 1.
Fig. 3 is the schematic diagram after upper and lower heat-conducting plate and locking unit install in the present invention.
Fig. 4 is the partial enlarged drawing in B portion in Fig. 3.
Fig. 5 be in Fig. 3 C-C to attempting.
Schematic diagram when Fig. 6 is that in the present invention, upper and lower heat-conducting plate is installed with locking unit.
Fig. 7 is the partial sectional view of expansion link in the present invention.
Fig. 8 is the structural representation of drive bevel gear in the present invention.
Fig. 9 is the structural representation of contiguous block in the present invention.
Figure 10 is the structural representation of electrothermal module case of bending in the present invention.
Detailed description of the invention
Below by way of the drawings and specific embodiments, the present invention is described in further detail.
As Figure 1-3, the present embodiment provides a kind of thermoelectric power generation chip, including box body 1, the upper heat-conducting plate 201 of metal material, lower heat-conducting plate 202 in box body 1 and be clamped in the electrothermal module 3 between described upper and lower heat-conducting plate；It is 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, is 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 more 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 more violent, and the middle part therefore going up heat-conducting plate 201 and lower heat-conducting plate 202 is bent upwards simultaneously.
Described electrothermal module 3 includes the multiple p-type thermoelements with array form layout and multiple N-type thermoelement, the plurality of p-type thermoelement and multiple N-type thermoelement are serially connected one conductive channel of composition, and the two ends of described conductive channel are electrically connected with described upper heat-conducting plate 201 and described lower heat-conducting plate 202 phase by call wire 301,302 respectively；It is connected with each other by NTC material line 300 between p-type thermoelement adjacent on described conductive channel and N-type thermoelement.
Gap is had between described upper heat-conducting plate 201 and the top board of described box body 1；Described top board includes that the fused insulating layer 101b on the downside of metallic plate 101a and metallic plate 101a, described metallic plate 101a connection has the first wire 4, and described lower heat-conducting plate 202 connects the second wire 5.
The most described first wire 4 and the second wire 5 can be connected in external electrical equipment, and such as fire protection warning device, when a fire, as shown in Figure 10, temperature is transferred to lower heat-conducting plate side from upper heat-conducting plate side.Rising along with temperature, on, lower heat-conducting plate meeting expanded by heating, owing to the coefficient of expansion of upper heat-conducting plate is bigger, 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 fused insulating layer is constituted extruding, and the wire body structure that NTC material line is negative temperature coefficient material to be made, i.e. can be more and more lower along with the liter high resistance of temperature, when temperature is increased to a certain degree, fused insulating layer starts to melt or soften, thus upper heat-conducting plate makes fused insulating layer deform or come off by extruding, upper heat-conducting plate contacts with metallic plate thus connects, and NTC material line also can conduct electricity because temperature raises, connection between adjacent p-type thermoelement and N-type thermoelement, thus whole electricity loop UNICOM, electricity produced by electrothermal module drives fire protection warning device to report to the police.
Thermoelectric power generation chip in this technical scheme, without still further configuring power supply after connecting in circuit, is that the electrical appliance in circuit is powered along with temperature self produces electric current, thus without occur power supply in prior art for a long time need not and the defect that lost efficacy.The thermoelectric power generation chip of the present invention, easy to use, it is especially suitable for pinpointing the use of fireproof alarming, is not only applicable to the ground such as factory floor, be also applied for household and use.
Described upper and lower heat-conducting plate 201,202 is interfixed by locking unit 6 in the two left and right end positions, as illustrated in figures 4-5, described locking unit 6 includes rectangular box 601, the one side of described casing 601 is open side, and described upper and lower heat-conducting plate 201,202 is inserted into inside described casing 601 in described open side；Be provided with the expansion link of insulation at casing 601 inner vertical, this expansion link includes that the sleeve pipe 602 being positioned at middle part and symmetry are set in the upper bar 603 within sleeve pipe 602 two ends and lower bar 604；The lower end of described interior bar 603 offers lower stomidium 603a, the upper end of described lower interior bar 604 offers upper end hole 604a, it is provided with in compression spring 605(figure to not affect miscellaneous part sign in described sleeve pipe 602, compression spring 605 is illustrated the most by phased manner), the upper end of described compression spring 605 is stretched in described lower stomidium 603a and withstands described interior bar 603, in described upper end hole 604a is stretched in the lower end of described compression spring 605 and withstand described lower interior bar 604；Described upper heat-conducting plate 201 and the upper end cover 606 of casing 601 offer the upper plate through hole 201a and upper cover through hole 606a of concentric and penetrate for the upper end of described interior bar 603；Described lower heat-conducting plate 202 and the bottom end cover 607 of casing 601 offer the lower plate through hole 202a and lower cover through hole 607a of concentric and penetrate for the lower end of described lower interior bar 604.
After upper and lower heat-conducting plate 201,202 is installed with locking unit 6, upper end cover 606, bottom end cover 607 limit the displacement of described upper and lower heat-conducting plate 201,202 in the vertical direction, in upper, bar 603, lower interior bar 604 limit the displacement on upper and lower heat-conducting plate 201,202 left and right directions, see shown in Fig. 4-5.
The top of described interior bar 603 is provided with the upper stop part 603b projected radially outward in the circumferential；The bottom of described lower interior bar 604 is provided with the lower stop part 604b projected radially outward in the circumferential.
Above upper stop part 603b, it is arranged with Upper gasket 608 on the outer wall of described interior bar 603；It is arranged with lower gasket 609 in the lower section of lower stop part 604b on the outer wall of described lower interior bar 604.
Annulus that described Upper gasket 608 includes being positioned at bottom and superposed cylindrical portion, described cylindrical portion extend into described upper plate through hole 201a and interior；Described lower gasket 609 includes superposed annulus and is positioned at the cylindrical portion of bottom, and described cylindrical portion extend in described lower plate through hole 202a.
On sidewall relative with described open side on described casing 601, centre position offers tensioning through hole 610, described tensioning through hole 610 has been inserted into nutted rod 611, one end of described nutted rod 611 is stretched out outside casing 601, the other end stretches in casing 601, and described nutted rod 611 stretches into the one end in casing 601 and withstands on tensioning line 612；The both sides up and down being positioned at nutted rod 611 in described casing 601 are separately installed with upper roller 613 and bottom roller 614, the annulus of described Upper gasket 608 is provided with radially outer upper protruding block 608a, the annulus of described lower gasket 609 is provided with radially outer lower protruding block 609a, and the two ends of described tensioning line 612 are connected with lower protruding block 609a with described upper protruding block 608a respectively and described tensioning line 612 walks around described upper roller 613 and bottom roller 614.
Described upper protruding block 608a is two, lays respectively at the diameter two ends of the annulus of Upper gasket 608, shown in Figure 7.
Described lower protruding block 609a is two, lays respectively at the diameter two ends of the annulus of lower gasket 609.
Due to the elastic force effect of compression spring 605, the trend that upper interior bar 603, the lower oriented upper and lower both sides of interior bar 604 extend.When mounted, as shown in Figure 6, push away forward nutted rod 611, nutted rod 611 withstands tensioning line 612, tensioning line 612 pulls interior bar 603, lower interior bar 604 inwardly to regain, thus can retract respectively in upper plate through hole 201a, lower plate through hole 202a in the two end, consequently facilitating the installation of upper and lower heat-conducting plate 201,202.
Described upper cover through hole 606a, lower cover through hole 607a are screwed hole；The upper end of described interior bar 603 and the bottom of described lower interior bar 604 are provided with the helicitic texture coordinated with described screwed hole；Described sleeve pipe 602 is slidably engaged with keyway arrangements by key with described upper and lower interior bar 604 respectively and is connected.As it is shown in fig. 7, keyway 616 is positioned at bar 603 lateral surface, key 615 is positioned at the medial surface of sleeve pipe 602, by coordinating of keyway 616 and key 615, it is possible to realize sliding axially between sleeve pipe 602 and upper interior bar 603, and realizing the two can not mutually rotate simultaneously.
On the lateral wall of described sleeve pipe 602, driven wheel of differential 617 is installed, actively axis hole 618 is offered on the sidewall of described casing 601, one end of driving shaft 619 connects the drive bevel gear 620 matched with described driven wheel of differential 617, and the other end of driving shaft 619 extend in described active axis hole 618.
As shown in Figure 8, the end face of the one end in described driving shaft 619 extend into described active axis hole 618 is provided with interior square hole 619a.
It is inserted into rotating drive shaft 619 in interior square hole 619a by square-tool, thus drives drive bevel gear 620, then drive driven wheel of differential 617, then drive sleeve pipe 602 to rotate.Slidably engaged with keyway 616 structure by key 615 with described upper and lower interior bar 604 respectively due to described sleeve pipe 602 and be connected, so along with the rotation of sleeve pipe 602, in upper, bar 603, lower interior bar 604 rotate simultaneously, in upper, bar 603, the helicitic texture of lower interior both bars 604 end are respectively positive and negative button, so that the helicitic texture of upper interior bar 603, lower interior bar 604 end respectively enters upper cover through hole 606a, lower cover through hole 607a is screwed hole, it is screwed.
As shown in figs. 9-10, the plurality of p-type thermoelement and multiple N-type thermoelement respectively cylindrical shape in being arranged on the contiguous block 303 of an isolation material；Each described contiguous block 303 includes the collar 304 and the inserted block 305 being separately positioned on the collar 304 diameter two ends and fixture block 306；Being respectively arranged with axis hole 307 with described inserted block 305 on two inner faces that described fixture block 306 contacts, 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, it is further opened with gathering sill 309 being positioned at the position above axis hole 307.
During installation, the projection 308 of a contiguous block being put into from top in the gathering sill 309 of another contiguous block, move still further below, making protruding 308 to move downward until entering in axis hole 307.Two adjacent contiguous blocks mutually can rotate with axis hole 307 for axis.
Owing to gathering sill 309 is for offering straight up rather than offering in the horizontal direction, thus avoids adjacent two contiguous block and be the most easily mutually disengaged.
Claims (6)
1. a thermoelectric power generation chip, it is characterised in that: include box body, be positioned at the upper heat conduction of the metal material of box body
Plate and lower heat-conducting plate, and it is clamped in the electrothermal module between described upper and lower heat-conducting plate；Described electrothermal module is with described
It is provided with insulating barrier between upper and lower heat-conducting plate；Described upper heat-conducting plate and lower heat-conducting plate are in the position at the two left and right two ends
Interfixing, the expansion of metal coefficient of described upper heat-conducting plate is more than the expansion of metal coefficient of described lower heat-conducting plate；Described heat
Electricity module includes multiple p-type thermoelements and multiple N-type thermoelement, the plurality of p-type arranged with array form
Thermoelement and multiple N-type thermoelement are serially connected one conductive channel of composition, on described conductive channel adjacent two
It is connected by NTC material line between individual p-type thermoelement and N-type thermoelement；The two ends of described conductive channel are divided
It is not connected with described upper heat-conducting plate and described lower heat-conducting plate；Have between described upper heat-conducting plate and the top board of described box body
Gap；Described top board includes the fused insulating layer on the downside of metallic plate and metallic plate, and described metallic plate connects first
Wire, described lower heat-conducting plate connects the second wire；
Described upper and lower heat-conducting plate is interfixed by locking unit in the two left and right end positions；Described locking unit
Including rectangular box, the one side of described casing is open side, and described upper and lower heat-conducting plate is inserted in described open side
Described box house；Be vertically arranged with the expansion link of insulation at box house, this expansion link includes the sleeve pipe being positioned at middle part
And symmetry is set in the upper interior bar within sleeve pipe two ends and lower interior bar；The lower end of described interior bar offers lower stomidium,
The upper end of described lower interior bar offers upper end hole, is provided with compression spring, the upper end of described compression spring in described sleeve pipe
Stretch in described lower stomidium and withstand described interior bar, in described upper end hole is stretched in the lower end of described compression spring and withstand
Described lower interior bar；The upper end cover of described upper heat-conducting plate and casing offers upper plate through hole and the upper cover through hole of concentric respectively
Penetrate for the upper end of described interior bar；The bottom end cover of described lower heat-conducting plate and casing offers the lower plate through hole of concentric
Penetrate for the lower end of described lower interior bar with lower cover through hole；
Driven wheel of differential is installed on the lateral wall of described sleeve pipe, the sidewall of described casing offers actively axis hole, main
One end of moving axis connects the drive bevel gear matched with described driven wheel of differential, and the other end of driving shaft extend into institute
State in active axis hole；
Described driving shaft extend on the end face of the one end in described active axis hole and is provided with interior square hole；
The plurality of p-type thermoelement and multiple N-type thermoelement respectively cylindrical shape are also arranged on a contiguous block
In；Each described contiguous block includes the collar and the inserted block being separately positioned on set ring diameter two ends and fixture block；Described fixture block
Being respectively arranged with axis hole on two inner faces contacted with described inserted block, the both sides of described inserted block are provided with and described axis hole
Corresponding projection.
Thermoelectric power generation chip the most according to claim 1, it is characterised in that: the top of described interior bar is in circumference
On be provided with the upper stop part projected radially outward；The bottom of described lower interior bar is provided with in the circumferential and projects radially outward
Lower stop part；Above upper stop part, it is arranged with Upper gasket on the outer wall of described interior bar；Outside described lower interior bar
On wall, the lower section at lower stop part is arranged with lower gasket；Described Upper gasket includes the annulus being positioned at bottom and is positioned at
The cylindrical portion in portion, described cylindrical portion extend in described upper plate through hole；Described lower gasket includes superposed annulus
And it being positioned at the cylindrical portion of bottom, described cylindrical portion extend in described lower plate through hole.
Thermoelectric power generation chip the most according to claim 2, it is characterised in that: with described open side on described casing
On relative sidewall, centre position offers tensioning through hole, and described tensioning through hole has been inserted into nutted rod, described nutted rod
One end stretch out outside casing, the other end stretches in casing, and described nutted rod stretches into the one end in casing and withstands on tensioning line；
The both sides up and down being positioned at nutted rod in described casing are separately installed with upper roller and bottom roller, the annulus of described Upper gasket
Being provided with radially outer upper protruding block, the annulus of described lower gasket is provided with radially outer lower protruding block, described tensioning
The two ends of line are connected with lower protruding block with described upper protruding block respectively and described tensioning line walks around described upper roller and bottom roller.
Thermoelectric power generation chip the most according to claim 3, it is characterised in that: described upper protruding block is two, respectively
It is positioned at the diameter two ends of the annulus of Upper gasket.
Thermoelectric power generation chip the most according to claim 4, it is characterised in that: described upper cover through hole, lower cover through hole
For screwed hole；The upper end of described interior bar and the bottom of described lower interior bar are provided with and coordinate with described screwed hole
Helicitic texture；Described sleeve pipe is slidably engaged with keyway arrangements by key with described upper and lower interior bar respectively and is connected.
Thermoelectric power generation chip the most according to claim 1, it is characterised in that: described fixture block contacts with described inserted block
Two inner faces on, be further opened with gathering sill being positioned at the position above axis hole.
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| CN103604521A (en) * | 2013-11-04 | 2014-02-26 | 深圳市彩煌实业发展有限公司 | Temperature-sensitive probe and manufacturing method thereof |
| CN104112626A (en) * | 2014-06-19 | 2014-10-22 | 上海神沃电子有限公司 | Thermoelectric protection element and manufacturing method thereof |
| CN204304838U (en) * | 2014-12-11 | 2015-04-29 | 浙江亿谷电子科技有限公司 | A kind of thermoelectric power generation chip |
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