CN213401200U - Step type thermoelectric module with temperature measurement function - Google Patents
Step type thermoelectric module with temperature measurement function Download PDFInfo
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- CN213401200U CN213401200U CN202022110296.6U CN202022110296U CN213401200U CN 213401200 U CN213401200 U CN 213401200U CN 202022110296 U CN202022110296 U CN 202022110296U CN 213401200 U CN213401200 U CN 213401200U
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Abstract
The utility model relates to a step thermoelectric module with temperature measurement function, including long base plate and short base plate, still include temperature sensor, first bonding wire, second bonding wire, conductive particle and the treater that links to each other with temperature sensor, temperature sensor and first bonding wire setting are at short base plate inner wall, and temperature sensor power supply pin and conductive particle one end are connected to first bonding wire, and the conductive particle other end passes through the second bonding wire and links to each other with external power source, and the welding of second bonding wire is on long base plate. The utility model has the advantages that: the P-type or N-type particles are used for current transmission, so that the second welding wire can be arranged on the long substrate, the temperature sensor is arranged on the short substrate, the mounting difficulty of the second welding wire is small, and the temperature sensor is convenient to connect electricity; locate supplementary temperature measurement mechanism, can detect the temperature of the base plate that is not equipped with temperature sensor.
Description
Technical Field
The utility model relates to a thermoelectric module field especially relates to a step thermoelectric module with temperature measurement function.
Background
When the sensor is used to detect the temperature of the cold side or the hot side of the thermoelectric module, a method of disposing the temperature sensor on the same side as the bonding wires is generally adopted, that is, the temperature sensor and the bonding wires are located on the same substrate. The stepped thermoelectric module comprises a long substrate and a short substrate, when the long substrate is used for temperature measurement, the long substrate is slightly longer than the short substrate, so that a sufficient space is provided for arranging a power line of the temperature sensor, but when the short substrate is used for temperature measurement, the power line is difficult to arrange and is not easy to connect with electricity because the short substrate has small residual space.
In addition, the above-described configuration can measure the temperature of only one substrate, and cannot measure the temperature of a substrate without a temperature sensor.
Disclosure of Invention
The utility model discloses mainly solved the short base plate of step thermoelectric module and set up the temperature problem that the temperature sensor degree of difficulty is high and only can measure a base plate, provided and set up temperature sensor and bonding wire on different base plates to be equipped with the step thermoelectric module who is equipped with the temperature measurement function of supplementary temperature measurement mechanism.
The utility model provides a technical scheme that its technical problem adopted is, a step thermoelectric module with temperature measurement function, including long base plate and short base plate, still include temperature sensor, first bonding wire, second bonding wire, electrically conductive particle and the treater that links to each other with temperature sensor, temperature sensor and first bonding wire set up at short base plate inner wall, and electrically conductive particle sets up between long base plate and short base plate, and temperature sensor power supply pin and electrically conductive particle one end are connected to first bonding wire, and the electrically conductive particle other end passes through the second bonding wire and links to each other with external power source, the welding of second bonding wire is on long base plate.
The temperature sensor is arranged on the short substrate and is connected with an external power supply through the first welding wire, the conductive particles and the second welding wire to obtain electric energy, so that the second welding wire serving as a power line of the temperature sensor is located on the long substrate, and the external power supply is convenient to connect.
As a preferred scheme of the above scheme, the temperature measurement device further comprises an auxiliary temperature measurement mechanism, wherein the auxiliary temperature measurement mechanism comprises an auxiliary temperature measurement loop and a voltage detection module for detecting a voltage value on the temperature measurement loop, the auxiliary temperature measurement loop is a series circuit composed of a plurality of temperature measurement PN particles, a conductive bonding wire and a protection resistor, and the temperature measurement PN particles are arranged between the long substrate and the short substrate. The auxiliary temperature measuring mechanism obtains the temperature difference between the long substrate and the short substrate according to the voltage value in the auxiliary temperature measuring loop, and obtains the temperature value of the long substrate by combining the temperature difference and the measured value of the temperature sensor.
As a preferable mode of the above, the conductive bonding wire is bonded to the long substrate.
As a preferable scheme of the above scheme, the output end of the voltage detection module is connected with the processor.
As a preferable scheme of the above scheme, a voltage amplifier is arranged between the voltage detection module and the auxiliary temperature measurement loop. The generating voltage value of the temperature-measuring PN particles is convenient to obtain.
As a preferable mode of the above, the conductive particles are P-type copper particles or N-type copper particles of the same type. Namely, the two couples of the conductive particles are both P-shaped couples and N-shaped couples, so that the detection result of the temperature sensor is prevented from being influenced by the heating or heat absorption of the conductive particles.
The utility model has the advantages that: the P-type or N-type particles are used for current transmission, so that the second welding wire can be arranged on the long substrate, the temperature sensor is arranged on the short substrate, the mounting difficulty of the second welding wire is small, and the temperature sensor is convenient to connect electricity; locate supplementary temperature measurement mechanism, can detect the temperature of the base plate that is not equipped with temperature sensor.
Drawings
Fig. 1 is an exploded view of a stepped thermoelectric module according to an embodiment.
Fig. 2 is a schematic view of an installation structure of the temperature sensor in the embodiment.
1-long substrate 2-short substrate 3-PN particles 4-thermoelectric module power supply line 5-temperature sensor 6-first wire bond 7-second wire bond 8-conductive particles.
Detailed Description
The technical solution of the present invention is further described below by way of examples and with reference to the accompanying drawings.
Example (b):
in this embodiment, a stepped thermoelectric module with temperature measurement function, as shown in fig. 1, includes a long substrate 1, a short substrate 2, PN particles 3, a thermoelectric module power supply line 4, a temperature sensor 5, a first bonding wire 6, a second bonding wire 7, conductive particles 8, a processor connected to the temperature sensor, and an auxiliary temperature measurement module.
As shown in fig. 2, the temperature sensor and the first bonding wire are disposed on the inner wall of the short substrate, the conductive particles are disposed between the long substrate and the short substrate, the first bonding wire is connected to the power supply pin of the temperature sensor and one end of the conductive particles, the other end of the conductive particles is connected to an external power source through a second bonding wire, and the second bonding wire is used as a power supply wire of the temperature sensor and is welded on the long substrate. The structure of the conductive particles is the same as that of PN particles, but two couples in the conductive particles are made of the same material and are both P-type couples or N-type couples.
The auxiliary temperature measuring mechanism comprises an auxiliary temperature measuring loop and a voltage detection module used for detecting the voltage value on the temperature measuring loop, the auxiliary temperature measuring loop is a series circuit formed by a plurality of temperature measuring PN particles, a conductive bonding wire and a protective resistor, the conductive bonding wire is welded on a long substrate, the temperature measuring PN particles are arranged between the long substrate and a short substrate, in the auxiliary temperature measuring loop, P-type couples and N-type couples of different PN particles are connected in series, the temperature measuring PN particles are uniformly distributed in the thermoelectric module, and the influence of the temperature measuring PN particles on the function of the thermoelectric module can be reduced to the maximum extent. And a voltage amplifier is arranged between the voltage detection module and the auxiliary temperature measurement loop, and the output end of the voltage detection module is connected with the processor.
When the temperature of the substrate is measured, the temperature of the short substrate is obtained through the temperature sensor, the power generation voltage of temperature measurement PN particle thermoelectric power generation is obtained through the voltage detection module, the power generation voltage of each temperature measurement PN particle is obtained according to the power generation voltage, the amplification factor of the voltage amplifier and the number of PN particles in the auxiliary temperature measurement circuit, the temperature difference between the long substrate and the short substrate is further obtained, and the temperature of the long substrate is calculated according to the temperature difference and the known temperature of the short substrate.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The utility model provides a step thermoelectric module with temperature measurement function, includes long base plate and short base plate, characterized by: the temperature sensor and the first welding wire are arranged on the inner wall of the short substrate, the conductive particles are arranged between the long substrate and the short substrate, the first welding wire is connected with a power supply pin of the temperature sensor and one end of the conductive particles, the other end of the conductive particles is connected with an external power supply through the second welding wire, and the second welding wire is welded on the long substrate.
2. The stepped thermoelectric module with temperature measurement as set forth in claim 1, wherein: the temperature measurement device is characterized by further comprising an auxiliary temperature measurement mechanism, wherein the auxiliary temperature measurement mechanism comprises an auxiliary temperature measurement loop and a voltage detection module used for detecting a voltage value on the temperature measurement loop, the auxiliary temperature measurement loop is a series circuit formed by a plurality of temperature measurement PN particles, a conductive welding wire and a protection resistor, and the temperature measurement PN particles are arranged between the long substrate and the short substrate.
3. The stepped thermoelectric module with temperature measurement as set forth in claim 2, wherein: the conductive welding wire is welded on the long substrate.
4. The stepped thermoelectric module with temperature measurement as set forth in claim 2, wherein: and the output end of the voltage detection module is connected with the processor.
5. The stepped thermoelectric module with temperature measurement as set forth in claim 4, wherein: and a voltage amplifier is arranged between the voltage detection module and the auxiliary temperature measurement loop.
6. The stepped thermoelectric module with temperature measurement as set forth in claim 1, wherein: the conductive particles are P-type copper particles or N-type copper particles of the same type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022110296.6U CN213401200U (en) | 2020-09-23 | 2020-09-23 | Step type thermoelectric module with temperature measurement function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022110296.6U CN213401200U (en) | 2020-09-23 | 2020-09-23 | Step type thermoelectric module with temperature measurement function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213401200U true CN213401200U (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202022110296.6U Active CN213401200U (en) | 2020-09-23 | 2020-09-23 | Step type thermoelectric module with temperature measurement function |
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| Country | Link |
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| CN (1) | CN213401200U (en) |
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2020
- 2020-09-23 CN CN202022110296.6U patent/CN213401200U/en active Active
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