CN201828597U - Thermo-electromotive force measuring apparatus for thermoelectric material - Google Patents
Thermo-electromotive force measuring apparatus for thermoelectric material Download PDFInfo
- Publication number
- CN201828597U CN201828597U CN2010205745573U CN201020574557U CN201828597U CN 201828597 U CN201828597 U CN 201828597U CN 2010205745573 U CN2010205745573 U CN 2010205745573U CN 201020574557 U CN201020574557 U CN 201020574557U CN 201828597 U CN201828597 U CN 201828597U
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- thermoelectric material
- voltage measurement
- base
- force measuring
- casing
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- Expired - Fee Related
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Abstract
The utility model relates to a thermo-electromotive force measuring apparatus for thermoelectric material, which comprises a workbench and a tank body arranged on the workbench, wherein a temperature indicating gauge and a voltage measuring meter are embedded in the tank body; a base and a support vertical to the base are arranged on the workbench; a strip-shaped positioning groove is arranged in the base; a voltage measuring terminal is embedded in the bottom of the positioning groove; an electric heating element and a temperature sensor, which are connected with the voltage measuring terminal, are arranged in the base; the support is provided with a lifting device and a measuring head connected with the lifting device; another voltage measuring terminal and an electric heating element and a temperature sensor which are connected with the voltage measuring terminal are arranged in the measuring head; two voltage measuring terminals are respectively and electrically connected with the voltage input end of the voltage measuring gauge; the electric heating element is electrically connected with a power module in the tank body; and the temperature sensor is electrically connected with the temperature indicating gauge. The thermo-electromotive force measuring apparatus is simple and smart in structure, easy to operate and measure and accurate in measurement, and is applicable to the industrial production needing the thermoelectric material.
Description
Technical field
The utility model relates to thermoelectric material, relates in particular to a kind of simple in structure, easy to operate, high efficiency, measures thermoelectric material thermoelectromotive force measuring instrument accurately.
Background technology
Thermoelectric material is a kind of specific function material that can realize direct conversion between heat energy and the electric energy, and it has Seebeck effect, peltier effect and Thomson effect.Thomson effect is the phenomenon that the conductor two ends produce electromotive force when the temperature difference is arranged, and peltier effect is the phenomenon that the two ends of energized conductor produce the temperature difference (end wherein produces heat, and the other end absorbs heat), and both combine and have just constituted Seebeck effect.Thermoelectromotive force is the important thermoelectricity capability index of of thermoelectric material, measure this index and relate to application electric technology and heat power engineering, it is a complex engineering, also do not have at present a kind of simple in structure, easy to operate, measure accurate equipment, this has influenced the widespread use of thermoelectric material to a certain extent.
Summary of the invention
The technical matters that device structure complexity, inconvenient operation, the measuring accuracy that the utility model mainly solves original measurement thermoelectric material thermoelectromotive force be not high yet, be not suitable for suitability for industrialized production; A kind of simple in structure, easy to operate, thermoelectric material thermoelectromotive force measuring instrument of measuring accurately and being applicable to suitability for industrialized production is provided.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: the utility model comprises worktable and is located at casing on the worktable, be embedded with two temperature display watches and a voltage measurement table on the front panel of casing, worktable before the casing is provided with base and the support vertical with base, base is provided with the detent of strip, the bottom land of detent is embedded with a voltage measurement terminal, be provided with the electrical heating elements and the temperature sensor that link to each other with this voltage measurement terminal in the base, the measuring head that described support is provided with jacking gear and links to each other with jacking gear, the electrical heating elements that is provided with another voltage measurement terminal in the measuring head and links to each other with this voltage measurement terminal, temperature sensor, on two voltage measurement terminals, upper/lower positions is corresponding and link to each other by the voltage input end of lead with the voltage measurement table respectively, power module in described electrical heating elements and the casing is electrically connected, and described temperature sensor and described temperature display watch are electrically connected.Detent is convenient to clamp the thermoelectric material of strip, locatees more convenient.Can make measuring head upper and lower mobile by jacking gear.During measurement, measuring head descends, and the voltage measurement terminal on it contacts with the top of thermoelectric material on being placed on detent, and the voltage measurement terminal on the detent and the bottom of thermoelectric material contact.At this moment, by electrical heating elements the thermoelectric material between these 2 is heated, the temperature that is heated to is shown by the temperature display watch on the casing, reads the voltage that thermoelectric material produces under this temperature difference by the voltage measurement table after heating a period of time.Adopt this structure to measure, make the thermoelectromotive force of thermoelectric material of each centimetre to measure.
As preferably, described support top, horizontal is protruded and is formed crossbeam, crossbeam is positioned at the top of detent, described jacking gear comprises gear that is meshed and the tooth bar of being located in the support, tooth bar passes crossbeam and vertical with described base, described measuring head is connected the tooth bar tail end, and described support side is provided with and the coaxial handle that links to each other of gear.Pull handle, can swing pinion, thus make tooth bar do upper and lower lifting, guarantee the more convenient to operate of lifting measuring head, the position of lifting is also more easy to operate.
As preferably, the bottom land of described detent is circular arc.Help the thermoelectric material of rectangular cylinder type is positioned.
As preferably, described voltage measurement table is a universal meter.The measuring accuracy of universal meter is higher.
As preferably, described electrical heating elements is an electrothermal tube.Make convenient.
The beneficial effects of the utility model are: simple in structure and ingenious, and easy operating, cost is lower, and it is convenient to measure, and measures accurately, is applicable in the suitability for industrialized production that need use thermoelectric material, and helps the widespread use of thermoelectric material.
Description of drawings
Fig. 1 is a kind of main TV structure synoptic diagram of the present utility model.
Fig. 2 is a kind of perspective view of mechanical operating mechanism in the utility model.
1. bases among the figure, 2. support, 3. detent, 4. voltage measurement terminal, 5. measuring head, 6. crossbeam, 7. tooth bar, 8. handle, 100. worktable, 200. casings, 201. temperature display watches, 202. voltage measurement tables.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: the thermoelectric material thermoelectromotive force measuring instrument of present embodiment, as shown in Figure 1, comprise worktable 100 and be located at casing 200 on the worktable 100, from left to right be embedded with two temperature display watches 201 and a voltage measurement table 202 on the front panel of casing 200, casing is by the rear side of worktable, and the mechanical operating mechanism of measuring instrument is positioned at the front side of worktable.As shown in Figure 2, this mechanical operating mechanism comprise base 1 and 1 that link to each other with base, perpendicular to the support 2 of base.The projection of a strip is installed on the base 1, have on the projection and prolong the curved detent 3 in bottom surface that its length direction extends, the bottom land of detent 3 is embedded with a voltage measurement terminal 4, the electrothermal tube and the temperature sensor that link to each other with this voltage measurement terminal 4 are housed in the base 1, electrothermal tube by switch, lead and the power module in being installed on casing link to each other, temperature sensor links to each other with a temperature display watch 201 on being installed on casing by lead.Support 2 top, horizontal are protruded and are formed crossbeam 6, and crossbeam 6 is positioned at the top of detent 3.The gear and the tooth bar 7 that are meshed are installed in the support 2, the side of support 2 is equipped with and the coaxial handle that links to each other 8 of gear, tooth bar 7 passes crossbeam 6 and vertical with base 1, tooth bar 7 tail ends are connected with measuring head 5, the electrothermal tube, the temperature sensor that another voltage measurement terminal are installed in the measuring head 5 and link to each other with this voltage measurement terminal, electrothermal tube by switch, lead and the power module in being installed on casing link to each other, temperature sensor links to each other with another temperature display watch 201 on being installed on casing by lead.The upper and lower position of two voltage measurement terminals corresponding and respectively the voltage input end by the voltage measurement table 202 on lead and the casing link to each other, voltage measurement table 202 adopts universal meter in the present embodiment.Need the thermoelectric material of test to be rectangular right cylinder, the thermoelectric material in the present embodiment is a bismuth telluride-base thermoelectric material.
The course of work:
1, cylindrical thermoelectric material is put into detent, make its side and the voltage measurement termination contact that is positioned at the detent bottom land.
2, open switch, switch on to electrothermal tube.
3, rotary handle descends measuring head, the voltage measurement terminal on measuring head also with the contacts side surfaces of thermoelectric material.
4, two temperature display watches on the casing show the temperature value of the upper and lower side of thermoelectric material respectively, the multimeter display voltage value on the casing, the magnitude of voltage that the different temperature difference is corresponding different, thereby the thermoelectromotive force of acquisition thermoelectric material.
Claims (5)
1. thermoelectric material thermoelectromotive force measuring instrument, it is characterized in that comprising worktable (100) and be located at casing (200) on the worktable (100), be embedded with two temperature display watches (201) and a voltage measurement table (202) on the front panel of casing (200), the preceding worktable of casing (200) is provided with base (1) and the support (2) vertical with base (1), base (1) is provided with the detent (3) of strip, the bottom land of detent (3) is embedded with a voltage measurement terminal (4), be provided with electrical heating elements and the temperature sensor that links to each other with this voltage measurement terminal (4) in the base (1), the measuring head (5) that described support (2) is provided with jacking gear and links to each other with jacking gear, the electrical heating elements that is provided with another voltage measurement terminal in the measuring head (5) and links to each other with this voltage measurement terminal, temperature sensor, on two voltage measurement terminals, upper/lower positions is corresponding and link to each other by the voltage input end of lead with voltage measurement table (202) respectively, power module in described electrical heating elements and the casing (200) is electrically connected, and described temperature sensor and described temperature display watch (201) are electrically connected.
2. thermoelectric material thermoelectromotive force measuring instrument according to claim 1, it is characterized in that described support (2) top, horizontal protrusion forms crossbeam (6), crossbeam (6) is positioned at the top of detent (3), described jacking gear comprises gear that is meshed and the tooth bar of being located in the support (2) (7), tooth bar (7) passes crossbeam (6) and vertical with described base (1), described measuring head (5) is connected tooth bar (7) tail end, and the side of described support (2) is provided with and the coaxial handle that links to each other of gear (8).
3. thermoelectric material thermoelectromotive force measuring instrument according to claim 1 and 2 is characterized in that the bottom land of described detent (3) is circular arc.
4. thermoelectric material thermoelectromotive force measuring instrument according to claim 1 and 2 is characterized in that described voltage measurement table (202) is a universal meter.
5. thermoelectric material thermoelectromotive force measuring instrument according to claim 1 and 2 is characterized in that described electrical heating elements is an electrothermal tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205745573U CN201828597U (en) | 2010-10-25 | 2010-10-25 | Thermo-electromotive force measuring apparatus for thermoelectric material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205745573U CN201828597U (en) | 2010-10-25 | 2010-10-25 | Thermo-electromotive force measuring apparatus for thermoelectric material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201828597U true CN201828597U (en) | 2011-05-11 |
Family
ID=43967123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205745573U Expired - Fee Related CN201828597U (en) | 2010-10-25 | 2010-10-25 | Thermo-electromotive force measuring apparatus for thermoelectric material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201828597U (en) |
-
2010
- 2010-10-25 CN CN2010205745573U patent/CN201828597U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20110511 Termination date: 20161025 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |