CN218512349U - Organic thermoelectric material multi-technology combined testing device - Google Patents
Organic thermoelectric material multi-technology combined testing device Download PDFInfo
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- CN218512349U CN218512349U CN202222254365.XU CN202222254365U CN218512349U CN 218512349 U CN218512349 U CN 218512349U CN 202222254365 U CN202222254365 U CN 202222254365U CN 218512349 U CN218512349 U CN 218512349U
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Abstract
The utility model discloses a multi-technology combined testing device for organic thermoelectric materials, which comprises a light source, a fixed die, a spectroscopy measuring module, a temperature control module, a temperature measuring module and an electrical measuring module, wherein the temperature control module, the temperature measuring module and the electrical measuring module are connected with the fixed die; the temperature control module comprises a Peltier patch, a multi-channel power supply, a multi-channel temperature controller and a multi-channel relay which are connected with each other; the temperature measuring module comprises a temperature measuring instrument and a temperature sensor connected with the temperature measuring instrument; the electrical measurement module comprises an electrical measurement instrument and a conductive probe connected with the electrical measurement instrument; the spectroscopy measurement module comprises a light source detector and a data terminal connected with the light source detector. The utility model discloses can characterize organic thermoelectric material's electric conductivity, thermoelectric property and microstructure under the applied temperature field condition, not only simple to use is convenient to the function is comprehensive, has higher commonality, can effectively satisfy the demand of normal position research thermoelectric material structure-activity relation.
Description
Technical Field
The utility model relates to an organic thin film test technical field especially relates to an organic thermoelectric material multi-technology allies oneself with and uses testing arrangement.
Background
With the continuous promotion of global industrialization, thermoelectric materials are used as green and environment-friendly energy materials, can realize the interconversion of heat energy and electric energy, and have the advantages of no need of mechanical parts, no working noise, long working time, easy large-scale preparation and the like, thereby being paid attention to. The organic thermoelectric material is a novel thermoelectric material taking organic small molecules or polymers as a matrix. Compared with the traditional inorganic thermoelectric material, the organic thermoelectric material has the advantages of excellent flexibility, effective utilization of low-quality waste heat, low cost, no toxicity, good biocompatibility, low intrinsic thermal conductivity, convenient processing and the like, and has wide application prospect in the fields of implantable medical equipment, wearable electronic equipment, internet of things and the like. However, the thermoelectric performance of the current organic thermoelectric materials is relatively low, which affects the large-scale commercial application thereof. Therefore, in-situ detection of the structure of the organic thermoelectric material in the working state and deep disclosure of the structure-activity relationship are the necessary routes for realizing high performance of the organic thermoelectric material.
At present, thermoelectric material testing devices are designed according to the thermoelectric performance testing requirements of traditional inorganic and metal materials. The method lacks effective improvement on the characteristics of low electric conductivity, poor contact of a probe sample, low intrinsic thermal conductivity, low ion diffusion rate and the like of the organic thermoelectric material. In addition, the existing thermoelectric test device cannot be single in-situ characterization and combination technology with a spectroscopic structure, and cannot effectively meet the requirement of in-situ research on the structure-activity relationship of thermoelectric materials.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an organic thermoelectric material multi-technology allies oneself with and uses testing arrangement, through this testing arrangement, when the test sample is electric property under the change temperature field environment, can realize the representation of spectroscopy normal position structure, the utility model discloses powerful and the convenient to use of test function has higher commonality.
The utility model provides a many technologies of organic thermoelectric material ally oneself with and use testing arrangement, the device includes:
the device comprises a light source, a fixed die, a spectroscopy measurement module, a temperature control module, a temperature measurement module and an electrical measurement module, wherein the temperature control module, the temperature measurement module and the electrical measurement module are connected with the fixed die;
the fixed die comprises a first fixed die and a second fixed die connected with the first fixed die, and a plurality of light holes are respectively formed in the first fixed die and the second fixed die;
the temperature control module comprises a Peltier patch, a multi-channel power supply, a multi-channel temperature controller and a multi-channel relay which are connected with each other;
the temperature measuring module comprises a temperature measuring instrument and a temperature sensor connected with the temperature measuring instrument;
the electrical measurement module comprises an electrical measurement instrument and a conductive probe connected with the electrical measurement instrument;
the spectroscopy measurement module comprises a light source detector and a data terminal connected with the light source detector.
Furthermore, a first light hole is formed in the front face of the first fixed die, a second light hole is formed in the front face of the second fixed die, and the light source, the first light hole, the second light hole and the light source detector are located on the same light path;
the side of first fixed mould is provided with the third light trap, just the offside of first fixed mould is provided with the fourth light trap, the third light trap with the fourth light trap is located same light path.
Furthermore, the peltier chip comprises a first peltier chip and a second peltier chip, two ends of the first peltier chip are respectively connected with a first channel of the multi-channel power supply and a first channel of the multi-channel relay, and two ends of the second peltier chip are respectively connected with a second channel of the multi-channel power supply and a second channel of the multi-channel relay.
Furthermore, the temperature control module further comprises a thermistor, the thermistor comprises a first thermistor and a second thermistor, two ends of the first thermistor are respectively connected with the first peltier chip and a first channel of the multichannel temperature controller, two ends of the second thermistor are respectively connected with the second peltier chip and a second channel of the multichannel temperature controller, and the first channel and the second channel of the multichannel temperature controller are respectively connected with a first channel and a second channel of the multichannel relay.
Furthermore, a first patch clamping groove and a second patch clamping groove are symmetrically arranged on two sides of a second light hole in parallel on the second fixing die, and the first patch and the second patch are respectively embedded in the first patch clamping groove and the second patch clamping groove.
Furthermore, a buckle cover buckle is arranged on the first fixing die, a buckle cover base is arranged on the second fixing die, and the buckle cover buckle and the buckle cover base are connected in a matched mode.
Further, the temperature sensor includes a first temperature sensor and a second temperature sensor, which are connected to the first peltier chip and the second peltier chip, respectively.
Further, the conductive probe is an elastic probe and is internally provided with a height adjuster, the conductive probe is arranged on the first fixed die and comprises a first conductive probe and a second conductive probe.
Further, the conductive probe comprises a gold electrode and a gold-plated electrode, and the electrical measuring instrument comprises a multifunctional digital source meter and an electrochemical workstation.
The utility model provides an organic thermoelectric material multi-technology allies oneself with uses testing arrangement. Through the device, the utility model discloses can test the sample when changing the electrical property under the temperature field environment, with the multiple technology antithetical couplet of spectral characterization, the structure-activity relation of normal position research material, the utility model discloses not only it is simple to use convenient to the function is comprehensive, can improve the process of the high performance of organic hot material.
Drawings
Fig. 1 is a schematic structural diagram of a testing apparatus for multi-technology coupling of organic thermoelectric materials provided by an embodiment of the present invention;
fig. 2 is a schematic partial structure diagram of a testing apparatus provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a temperature control module in a testing apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a testing apparatus for multi-technology coupling of organic thermoelectric materials, including: the device comprises a light source 22, a fixed mould, a spectroscopy measurement module, a temperature control module 16, a temperature measurement module and an electrical measurement module which are connected with the fixed mould, wherein the temperature control module 16 is connected with the temperature measurement module. The following describes the structure of the present device and the connection relationship between the structures in detail with reference to fig. 2 and 3:
referring to fig. 2, the fixing mold of the apparatus includes a first fixing mold 1 and a second fixing mold 2, the first fixing mold 1 and the second fixing mold 2 may be two concave molds, and the two molds may be fixed by a first buckle cover buckle 28 and a second buckle cover buckle 30 disposed on the first fixing mold 1, and a first buckle cover base 27 and a second buckle cover base 29 disposed on the second fixing mold 2, it should be understood that the specific manner used in the connection relationship between the structures in the apparatus and the related specific values are only used for illustration, but not for unique limitation, and the connection manner of the structures the same as or similar to the apparatus can be applied to the present invention, and the related values can be flexibly set according to the actual situation, and will not be repeated one by one subsequently.
In order to carry out the spectrometry to the sample that awaits measuring, this device has set up first light trap 14 on first fixed mould 1 to corresponding position at second fixed mould 2 has set up second light trap 15, first light trap 14 and 15 size unanimity of second light trap just are located same light path, thereby when the sample that awaits measuring is arranged in fixed mould inside, can make the light source, the light trap, the sample that awaits measuring and light source detector are located same light path, be convenient for carry out the spectrometry to the sample that awaits measuring and measure. And in order to realize the multi-angle spectroscopy measurement to the sample that awaits measuring, this device has still also set up third light trap 25 at the opposite side of first fixed mould 1, has set up fourth light trap 26 at the offside of first fixed mould 1, and third light trap 25 and fourth light trap 26 also are located same light path, just so can carry out the spectroscopy measurement of the different sides of multi-angle to the sample that awaits measuring.
Preferably, the light holes of the device can be made of beryllium, quartz, polyimide or other light-transmitting and high-temperature-resistant materials according to different test requirements, the diameters of the light-transmitting windows corresponding to the first light-transmitting hole 14 and the second light-transmitting hole 15 can be both 5mm, and the sizes of the light-transmitting windows corresponding to the third light-transmitting hole 25 and the fourth light-transmitting hole 26 are 10 × 10mm, so that the test requirements of the optical test can be met.
Further, since the apparatus can be used for various spectroscopy tests, such as X-ray scattering/diffraction, neutron scattering/diffraction, X-ray/neutron imaging technology, absorption spectrum, infrared spectrum, raman spectrum, etc., the light source 22 of the apparatus selects different light sources according to the test requirements, and the corresponding light source detector 23 is selected according to the different light sources 22.
Referring to fig. 3, the temperature control module of the apparatus includes a peltier element, a multi-channel power supply 17, a multi-channel temperature controller 19, and a multi-channel relay 18, wherein the peltier element includes a first peltier element 5 and a second peltier element 6, two ends of the first peltier element 5 are respectively connected to a first channel of the multi-channel power supply 17 and a first channel of the multi-channel relay 18, and two ends of the second peltier element 6 are respectively connected to a second channel of the multi-channel power supply 17 and a second channel of the multi-channel relay 18.
The temperature control module further comprises a thermistor, the thermistor adopts a pt100 thermistor and comprises a first thermistor 7 and a second thermistor 8, wherein two ends of the first thermistor 7 are respectively connected with the first peltier chip 5 and a first channel of the multi-channel temperature controller 19, two ends of the second thermistor 8 are respectively connected with the second peltier chip 6 and a second channel of the multi-channel temperature controller 19, and the first channel and the second channel of the multi-channel temperature controller 19 are respectively connected with the first channel and the second channel of the multi-channel relay 18.
Two patch clamping grooves are symmetrically arranged on two sides of a second light hole 15 of the second fixing mold 2 in parallel, namely a first patch clamping groove 3 and a second patch clamping groove 4, a first peltier chip 5 and a second peltier chip 6 are embedded into the first patch clamping groove 3 and the second patch clamping groove 4 respectively, preferably, the two clamping grooves are consistent in size, the length, the width and the height are 40mm, 20mm and 2mm respectively, the distance between the two clamping grooves can be set to be 5mm, the outer side height of each clamping groove can be 2mm, the inner side height can be 1mm, the inner side width can be 0.5mm, namely, the distance between the two patches after the first peltier chip 5 and the second peltier chip 6 are embedded into the clamping grooves is 6mm, and the heating temperature range of the peltier chips is 20-100 ℃.
The temperature measurement module comprises a temperature measuring instrument 20 and a temperature sensor, wherein the temperature sensor comprises a first temperature sensor 10 and a second temperature sensor 11, the first temperature sensor 10 and the second temperature sensor 11 are respectively connected with a first peltier 5 and a second peltier 6, the temperature measuring instrument 20 is connected to the temperature sensors through a lead and used for displaying and recording measured temperature data of two ends of a sample 9 to be measured, and the temperature measuring instrument 20 is powered by an internal battery and is convenient to install and carry.
The electricity measuring module comprises an electricity measuring instrument 21 and a conductive probe which are connected through a wire, wherein the conductive probe comprises a first conductive probe 12 and a second conductive probe 13, a height adjuster is arranged in the conductive probe and has a fixing function, and meanwhile, the height of the conductive probe can be lowered and fixed by pressing the conductive probe to 3 with a buckle, the conductive probe of the device is embedded on a first fixing mould 1 and is made of gold or gold-plated electrodes, the conductive probe is used for contacting an organic thin film which is arranged in the fixing mould and is used as a sample to be measured, and the thin film structure cannot be damaged when the conductive probe is fully contacted with the organic thin film, so that the conductive probe is set to be an elastic probe, the diameter of the conductive probe can be set to be 1mm to 5mm, and the tip of the conductive probe can be a sharp tip, a concave head, a round head, a conical head, a four-jaw head, a flat head, a quincunx head, a straight round head, a diamond head and a stone drill, and the specific diamond shape is selected according to the test requirements.
The electrical measuring instrument 21 in the device can be a multifunctional digital source meter or an electrochemical workstation, and can be specifically switched according to the test requirement, the electrical measuring instrument 21 is used for measuring the voltage and the resistance at two ends of the sample 9 to be measured, and then calculating to obtain the seebeck coefficient of the sample 9 to be measured, and the specific steps are described in the corresponding method flow. When the seebeck coefficient of the sample 9 to be measured is of an electronic type, the multifunctional digital source meter may be selected as the electrical measuring instrument 21 to measure the voltage and the electronic resistance, and when the seebeck coefficient of the sample 9 to be measured is of an ionic type, the electrochemical workstation may be selected as the electrical measuring instrument 21 to measure the voltage and the ionic resistance.
The spectroscopy measurement module comprises a light source detector 23 and a data terminal 24, the light source detector 23 and a corresponding light source 22 can be arranged on the light paths of the first light transmission hole 14 and the second light transmission hole 15, and can also be arranged on the light paths of the third light transmission hole 25 and the fourth light transmission hole 26, an optical test is carried out on a sample to be tested, the light source detector 23 can transmit detected signals to the data terminal 24 connected with the light source detector for recording and analyzing, and therefore the spectroscopy in-situ structure representation of the organic thermoelectric material is obtained.
The following describes the testing process of the present device with two specific embodiments of testing through different angles in conjunction with the above testing device:
(1) in-situ study of structural evolution during thermoelectric testing using small angle X-ray scattering (transmission mode) at set temperature field
Placing a sample 9 to be tested between a first fixed die 1 and a second fixed die 2, fixing the two dies through a buckle, and controlling the temperature of the sample 9 to be tested through a multichannel temperature controller 19, a first Peltier patch 5 and a second Peltier patch 6 by a temperature control module, wherein the sample can be heated to different temperatures as required; the temperature measuring module measures the temperature difference of two ends of the sample 9 to be measured through the temperature measuring instrument 20, the first temperature sensor 10 and the second temperature sensor 11; and the electrical measurement module measures the resistance and voltage of the sample 9 to be measured through the electrical measurement instrument 21, the first conductive probe 12 and the second conductive probe 13.
According to the measured voltage and temperature difference of the sample 9 to be measured, the seebeck coefficient of the sample 9 to be measured can be calculated, and according to the resistance and the size of the sample 9 to be measured, the conductivity of the sample 9 to be measured can be calculated, and the power factor of the sample 9 to be measured can be calculated through the seebeck coefficient and the conductivity.
Meanwhile, a light source 22 of X-rays, a light source detector 23 of the corresponding X-rays, the first light transmission hole 14, the second light transmission hole 15 and the sample 9 to be detected are placed on the same light path, the X-rays emitted by the light source 22 sequentially pass through the first light transmission hole 14, the sample 9 to be detected and the second light transmission hole 15 and then reach the light source detector 23, the light source detector 23 receives and detects the X-rays and sends a detection result to the data terminal 24, and the data terminal 24 analyzes and processes a signal sent by the light source detector 23 and converts the signal into structural information of the material, so that the purpose of performing spectroscopy in-situ structure characterization on the organic thermoelectric material is achieved.
(2) Structure evolution in thermoelectric test process is studied in situ by utilizing grazing incidence wide-angle X-ray camera scattering under set temperature field
In the present embodiment, the process of calculating the seebeck coefficient and the electrical conductivity is the same as that of (1), and (2) is different from (1) in that, in the present embodiment, the light source 22, the third light-transmitting hole 25, the sample 9 to be measured, the fourth light-transmitting hole 26 and the light source detector 23 are placed on the same optical path, so as to implement the optical test of the sample 9 to be measured by the X-ray, and the specific steps are referred to (1), and are not repeated here.
To sum up, the embodiment of the present invention provides a multi-technology combined testing device for organic thermoelectric materials, the device includes a light source, a fixed mold, a spectroscopy measurement module, and a temperature control module, a temperature measurement module and an electrical measurement module connected to the fixed mold, the temperature control module is connected to the temperature measurement module; the fixed die comprises a first fixed die and a second fixed die connected with the first fixed die, and a plurality of light holes are respectively formed in the first fixed die and the second fixed die; the temperature control module comprises a Peltier patch, a multi-channel power supply, a multi-channel temperature controller and a multi-channel relay which are connected with one another; the temperature measuring module comprises a temperature measuring instrument and a temperature sensor connected with the temperature measuring instrument; the electrical measurement module comprises an electrical measurement instrument and a conductive probe connected with the electrical measurement instrument; the spectroscopy measurement module comprises a light source detector and a data terminal connected with the light source detector. The utility model discloses can characterize organic thermoelectric material's electric conductivity, thermoelectric property and microstructure under the applied temperature field condition, not only simple to use is convenient to the function is comprehensive, has higher commonality, can effectively satisfy the demand of normal position research thermoelectric material structure-activity relation.
The embodiments in this specification are described in a progressive manner, and all the same or similar parts of the embodiments are directly referred to each other, and each embodiment is described with emphasis on differences from other embodiments. It should be noted that, the technical features of the embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express some preferred embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, without departing from the technical principle of the present invention, several modifications and substitutions can be made, and these should also be regarded as the protection scope of the present application. Therefore, the protection scope of the present patent shall be subject to the protection scope of the claims.
Claims (9)
1. A multi-technology combined testing device for organic thermoelectric materials is characterized by comprising:
the device comprises a light source, a fixed die, a spectroscopy measurement module, a temperature control module, a temperature measurement module and an electrical measurement module, wherein the temperature control module, the temperature measurement module and the electrical measurement module are connected with the fixed die;
the fixed die comprises a first fixed die and a second fixed die connected with the first fixed die, and a plurality of light holes are respectively formed in the first fixed die and the second fixed die;
the temperature control module comprises a Peltier patch, a multi-channel power supply, a multi-channel temperature controller and a multi-channel relay which are connected with each other;
the temperature measuring module comprises a temperature measuring instrument and a temperature sensor connected with the temperature measuring instrument;
the electrical measurement module comprises an electrical measurement instrument and a conductive probe connected with the electrical measurement instrument;
the spectroscopy measurement module comprises a light source detector and a data terminal connected with the light source detector.
2. The device for testing the multi-technology coupling of organic thermoelectric materials according to claim 1, wherein the first stationary mold has a first light hole on a front surface thereof, the second stationary mold has a second light hole on a front surface thereof, and the light source, the first light hole, the second light hole and the light source detector are located on a same light path;
the side of first fixed mould is provided with the third light trap, just the offside of first fixed mould is provided with the fourth light trap, the third light trap with the fourth light trap is located same light path.
3. The device for testing the multi-technology coupling of organic thermoelectric materials according to claim 2, wherein the peltier chip comprises a first peltier chip and a second peltier chip, two ends of the first peltier chip are respectively connected with the first channel of the multi-channel power supply and the first channel of the multi-channel relay, and two ends of the second peltier chip are respectively connected with the second channel of the multi-channel power supply and the second channel of the multi-channel relay.
4. The device for testing the multi-technology coupling of the organic thermoelectric material, according to claim 3, wherein the temperature control module further comprises a thermistor, the thermistor comprises a first thermistor and a second thermistor, two ends of the first thermistor are respectively connected with the first peltier chip and a first channel of the multi-channel temperature controller, two ends of the second thermistor are respectively connected with the second peltier chip and a second channel of the multi-channel temperature controller, and the first channel and the second channel of the multi-channel temperature controller are respectively connected with a first channel and a second channel of the multi-channel relay.
5. The device for testing multiple technologies combined with organic thermoelectric materials of claim 3, wherein a first chip card slot and a second chip card slot are symmetrically disposed in parallel on two sides of a second light hole of the second fixed mold, and the first Peltier chip and the second Peltier chip are respectively embedded in the first chip card slot and the second chip card slot.
6. The device for testing the multi-technology coupling of organic thermoelectric materials according to claim 2, wherein the first fixed mold is provided with a buckle cover buckle, the second fixed mold is provided with a buckle cover base, and the buckle cover buckle is connected with the buckle cover base in a matching manner.
7. The device of claim 4, wherein the temperature sensor comprises a first temperature sensor and a second temperature sensor, and the first temperature sensor and the second temperature sensor are respectively connected to the first Peltier chip and the second Peltier chip.
8. The device for testing multiple technologies combined according to claim 2, wherein the conductive probes are elastic probes and have height adjusters inside, the conductive probes are disposed on the first fixing mold, and the conductive probes comprise a first conductive probe and a second conductive probe.
9. The combined organic thermoelectric material multi-technology testing device of claim 8, wherein the electrically conductive probe comprises a gold electrode and a gold-plated electrode, and the electrical measuring instrument comprises a multifunctional digital source meter and an electrochemical workstation.
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| CN202222254365.XU CN218512349U (en) | 2022-08-25 | 2022-08-25 | Organic thermoelectric material multi-technology combined testing device |
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| CN202222254365.XU CN218512349U (en) | 2022-08-25 | 2022-08-25 | Organic thermoelectric material multi-technology combined testing device |
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