Temperature measurement accuracy standard block and temperature measurement equipment

Abstract

According to the temperature measurement accuracy standard block and the temperature measurement equipment, the temperature measurement accuracy standard block can be placed in the temperature measurement equipment before the temperature measurement equipment measures the temperature of a to-be-tested product or after the temperature measurement equipment works for a certain period, then a temperature measurement pressure head of the temperature measurement equipment penetrates through a hollow hole to be in contact with a heat conduction plate, and at the moment, the temperature measurement accuracy standard block is placed in the temperature measurement equipment; the temperature measuring and controlling module controls the heating plate to heat the heat conducting plate to a specific stable state, the data transmission unit transmits heating temperature data of the heating plate to the temperature measuring device at the moment, and at the moment, the temperature measuring device can compare the heating temperature data transmitted by the data transmission unit with a temperature value obtained when the temperature measuring pressure head makes contact with the heat conducting plate. Therefore, the performance of the thermocouple wire of the temperature measuring equipment can be quickly and accurately evaluated, so that the authenticity and the reliability of a temperature measuring result are ensured; the invention belongs to the technical field of temperature measuring equipment.

Description

Technical Field

[0001] The present invention belongs to the technical field of temperature measurement devices, and particularly relates to a temperature measurement accuracy standard block and a temperature measurement device. Background Art

[0002] When a temperature test device designed based on thermocouple wires is used to measure and check the temperature parameters of products, due to the frequent contact between the temperature reading structure and the metal product to be measured, the thermocouple wires will be worn after being used for a period of time, thereby affecting the temperature measurement accuracy.

[0003] Traditional detection methods rely on the experience judgment of operators or regular replacement of thermocouple wires, but this method is inefficient and costly.

[0004] The currently closest technology is to prevent measurement errors caused by the aging of thermocouple wires through visual inspection or mandatory replacement within a fixed period; for example, in some manufacturing processes, workers will regularly manually check the status of thermocouple wires and replace them when necessary. In addition, there are also methods of compensating the sensor output signal using specific algorithms, but these methods cannot directly reflect the actual condition of the thermocouple wires.

[0005] Although the above measures can alleviate the problems brought about by the aging of thermocouple wires to a certain extent, there are still the following deficiencies: 1. It is impossible to monitor the change of the status of thermocouple wires in real time; 2. Manual inspection is inefficient and error-prone; 3. The fixed replacement cycle may lead to waste of resources or missed optimal maintenance opportunities. Therefore, a method capable of quickly and accurately evaluating the performance of thermocouple wires is needed to ensure the authenticity and reliability of temperature measurement results. Summary of the Invention

[0006] The purpose of the present invention is to provide a temperature measurement accuracy standard block and a temperature measurement device to solve the technical defects described in the background art.

[0007] The temperature measurement accuracy standard block includes a base, the base is detachably placed in the temperature measurement device, a heating plate is installed in the base, a heat sink plate is arranged on the heating plate, a temperature measurement and control module is installed on the heat sink plate, the temperature measurement and control module is electrically connected to the heating plate, the temperature measurement and control module is provided with a data transmission unit, and the data transmission unit is used to transmit the heating temperature data of the heating plate at this time to the temperature measurement device. A heat conduction plate is flatly attached to the heat sink plate, the temperature measurement and control module is located between the heat sink plate and the heat conduction plate, and a cover plate is installed on the upper and lower covers of the base to fix the heating plate, the heat sink plate, the temperature measurement and control module and the heat conduction plate in a stacked manner. The cover plate is provided with a leakage hole located on the heat conduction plate, so that when the temperature measurement probe of the temperature measurement device can contact the heat conduction plate, the temperature measurement device can compare the heating temperature data transmitted by the data transmission unit with the temperature value obtained by the temperature measurement probe contacting the heat conduction plate, and then judge the performance of the temperature measurement probe.

[0008] Based on the above technical solution, before the temperature measuring device measures the temperature of the product to be tested or after the temperature measuring device works for a certain period, by placing the temperature measurement accuracy standard block in the temperature measuring device, and then, the temperature measuring head of the temperature measuring device passes through the leakage hole and contacts the heat conduction plate. At this time, the temperature measurement and control module controls the heating plate to heat the heat conduction plate to a specific stability, and the data transmission unit transmits the heating temperature data of the heating plate to the temperature measuring device. At this time, the temperature measuring device can compare the heating temperature data transmitted by the data transmission unit with the temperature value obtained by the temperature measuring head contacting the heat conduction plate, so as to judge the performance of the temperature measuring head; Therefore, the present invention can achieve the following beneficial effects: 1. Realize real-time monitoring of the state change of the thermocouple wire of the temperature measuring device; 2. Improve the detection accuracy compared with relying on the operator's experience judgment; 3. Compared with forcibly replacing every fixed period, the present invention can effectively avoid resource waste and avoid missing the best maintenance opportunity; 4. By fixing the heating plate, the heat sink plate, the temperature measurement and control module and the heat conduction plate in a stacked manner, it can well ensure that heat is transferred to the test surface (i.e., the heat conduction plate) orderly and evenly; In summary, the present invention can quickly and accurately evaluate the performance of the thermocouple wire to ensure the authenticity and reliability of the temperature measurement result.

[0009] In order to further optimize the above technical solution, without conflict, it can be optionally combined with one or more of the following embodiments.

[0010] In some embodiments, both the base and the cover plate are made of non-metallic materials; based on the above technical solution, the heat conduction effect of the base and the cover plate can be reduced, and the temperature control stability of the heating plate can be improved.

[0011] In some embodiments, the heat sink plate is extruded on the heating plate by point contact around, and a 0.5 mm gap is formed between the heat sink plate and the base; Based on the above technical solution, the present invention can further achieve the following beneficial effects: 1. The heating plate can transfer heat to the heat sink plate more evenly and efficiently; 2. The gap between the heat sink plate and the base can effectively isolate and delay the loss of temperature; 3. The extrusion fixing method replaces the screw fixing of the heat sink substrate, which can avoid the risk of screws taking away heat.

[0012] In some embodiments, the temperature test point of the temperature measurement and control module is at the coaxial position of the leakage hole; based on the above technical solution, the error between the heating temperature data transmitted by the data transmission unit and the temperature value obtained by the temperature measuring head contacting the heat conduction plate can be effectively reduced.

[0013] In some embodiments, the heat conducting plate is provided with a slot, and the temperature measuring and controlling module is arranged in the slot; based on the above technical solution, the present invention can further achieve the following beneficial effects: 1. It can effectively avoid the gap between the heat conducting plate and the heat pipe vapor chamber, which affects the heat conduction efficiency; 2. It can effectively avoid damage caused by extrusion of the temperature measuring and controlling module when the heat conducting plate and the heat pipe vapor chamber are stacked and fixed; 3. The temperature measuring and controlling module can obtain the stable information of the heat conducting plate more accurately and stably.

[0014] In some embodiments, the temperature measuring and controlling module is provided with a temperature calibration unit. The temperature calibration unit is used to control the temperature to a stable target temperature through the PID algorithm. During the period when the temperature measuring probe of the temperature measuring device can contact the heat conducting plate to measure the temperature on the heat conducting plate to obtain the first data, the temperature measuring and controlling module controls the heating plate to stably maintain the set temperature. At the same time, the temperature on the heat conducting plate is measured to obtain the second data, and the second data is sent to the temperature measuring device through the data transmission unit for the temperature measuring device to judge the performance of the temperature measuring probe by comparing the first data with the second data. Both the first data and the second data are obtained by detecting the temperature continuously for a period of time at the same time; Based on the above technical solution, the present invention can further achieve the following beneficial effects: It can more accurately control the heating plate to heat the heat conducting plate to the set temperature and keep the heat conducting plate stably at the set temperature, thereby further improving the accuracy of evaluating the performance of the thermocouple wire.

[0015] Based on all the above embodiments, the present invention can achieve that the difference between the actual temperature of the heat conducting plate of the temperature measuring accuracy standard block and the temperature read by the thermocouple wire of the temperature measuring device can be controlled within 0.3°C.

[0016] The described temperature measuring device includes a base and the temperature measuring accuracy standard block described above. The base is equipped with a carrier, a testing unit, a handling mechanism, and a host. The carrier is used to place the product to be tested. The testing unit is equipped with a retractable driving unit, and the retractable driving unit drives a temperature measuring probe head. The temperature measuring probe head is electrically connected to the host. The temperature measuring probe head is provided with a thermocouple wire for contacting the product to be tested. Before the thermocouple wire contacts the product to be tested or after contacting the product to be tested a certain number of times, the handling mechanism is used to transport the temperature measuring accuracy standard block into the carrier. At this time, the data transmission unit of the temperature measuring accuracy standard block is electrically connected to the host by an electrical signal. The retractable driving unit drives the temperature measuring probe head to extend into the hollow hole of the temperature measuring accuracy standard block, so that the thermocouple wire contacts the heat conducting plate of the temperature measuring accuracy standard block. Subsequently, the data transmission unit delivers the current heating temperature data of the temperature measuring accuracy standard block to the host. The host compares the heating temperature data with the temperature value obtained by the thermocouple wire contacting the heat conducting plate, and then judges the performance of the temperature measuring probe head. Both the first data and the second data are obtained by detecting the temperature continuously for a period of time at the same time; Based on the above technical solution, the temperature measuring device can achieve the following beneficial effects: Before the thermocouple wire of the temperature measuring device contacts the product to be tested for temperature measurement or after the product to be tested contacts a certain number of times, the performance of the thermocouple wire of the temperature measuring probe head can be conveniently and quickly detected through the temperature measuring accuracy standard block, so as to ensure the authenticity and reliability of the temperature measurement result of the temperature measuring device.

[0017] In some embodiments, the data transmission unit of the temperature measuring accuracy standard block is provided with a plug connector. The plug connector is provided with contacts exposed outside the base. A pillar is installed beside the carrier. The pillar is provided with a metal probe electrically connected to the host. After the temperature measuring accuracy standard block is placed in the carrier, the metal probe contacts the contacts, so that the data transmission unit is electrically connected to the host by an electrical signal; Based on the above technical solution, it is convenient for the host to be signal-connected to the temperature measuring accuracy standard block, thereby improving the use efficiency of the temperature measuring accuracy standard block.

[0018] In some embodiments, one group of contacts on the plug connector is a power supply contact for electrically connecting to the heating plate. After the temperature measuring accuracy standard block is placed in the carrier, the host can supply power to the heating plate and control the temperature of the heating plate; Based on the above technical solution, the present invention can further achieve the following beneficial effects: 1. When the temperature measuring accuracy standard block is placed in the carrier, the host can supply power to the temperature measuring accuracy standard block through the plug connector, so that the host can control the working state of the heating plate of the temperature measuring accuracy standard block, thereby more efficiently and accurately evaluating the performance of the thermocouple wire; 2. Since there is no need to install a power supply device inside the temperature measurement accuracy standard block, the manufacturing cost of the temperature measurement accuracy standard block is reduced.

[0019] In some embodiments, a magnetic adsorption module for adsorbing and fixing inside a carrier is installed on the base of the temperature measurement accuracy standard block; based on the above technical solution, the temperature measurement accuracy standard block can be conveniently installed into and removed from the carrier. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific embodiments of the present invention, the following will briefly describe the drawings and reference numerals required in the description of the specific embodiments.

[0021] Figure 1 is a schematic structural diagram of the temperature measurement accuracy standard block of the present invention; Figure 2 is an exploded view of the temperature measurement accuracy standard block of the present invention.

[0022] Reference Numerals: 11. Base; 12. Heating plate; 13. Heat sink plate; 14. Temperature measurement and control module; 141. Data transmission unit; 142. Plug connector; 15. Heat conduction plate; 16. Cover plate; 161. Hollow hole. SPECIFIC EMBODIMENTS

[0023] In order to make the purpose, technical solutions and advantages of the present invention clearer and more understandable, the present specific embodiment will further describe the present invention in detail with reference to the drawings.

[0024] The present specific embodiment provides a temperature measurement accuracy standard block and a temperature measurement device.

[0025] Such as Figure 1 and 2As shown in the figure, the temperature measurement accuracy standard block includes a base 11, which is detachably placed in the temperature measurement device. A heating plate 12 is installed in the base 11. A heat sink plate 13 is arranged on the heating plate 12. A temperature measurement and control module 14 is installed on the heat sink plate 13. The temperature measurement and control module 14 is electrically connected to the heating plate 12. The temperature measurement and control module 14 is provided with a data transmission unit 141, which is used to transmit the heating temperature data of the heating plate 12 at this time to the temperature measurement device. A heat conduction plate 15 is flatly attached to the heat sink plate 13. The temperature measurement and control module 14 is located between the heat sink plate 13 and the heat conduction plate 15. The upper and lower covers of the base 11 are installed with a cover plate 16 to fix the heating plate 12, the heat sink plate 13, the temperature measurement and control module 14 and the heat conduction plate 15 in a stacked manner. The cover plate 16 is provided with a leakage hole 161 located on the heat conduction plate 15. When the temperature measurement probe 32 of the temperature measurement device can contact the heat conduction plate 15, the temperature measurement device can compare the heating temperature data transmitted by the data transmission unit 141 with the temperature value obtained by the temperature measurement probe 32 contacting the heat conduction plate 15, so as to judge the performance of the temperature measurement probe 32.

[0026] Before the temperature measurement device measures the product to be tested or after the temperature measurement device works for a certain period, by placing the temperature measurement accuracy standard block in the temperature measurement device. Thereafter, the temperature measurement probe 32 of the temperature measurement device passes through the leakage hole 161 and contacts the heat conduction plate 15. At this time, the temperature measurement and control module 14 controls the heating plate to heat the heat conduction plate 15 to a specific stability. The data transmission unit 141 transmits the heating temperature data of the heating plate 12 at this time to the temperature measurement device. At this time, the temperature measurement device can compare the heating temperature data transmitted by the data transmission unit 141 with the temperature value obtained by the temperature measurement probe 32 contacting the heat conduction plate 15, so as to judge the performance of the temperature measurement probe 32.

[0027] Therefore, the use of the temperature measurement accuracy standard block can enable the temperature measurement device to realize the real-time monitoring of the state change of the thermocouple wire 33. Compared with the traditional method that depends on the operator's experience judgment, it can improve the detection accuracy. In addition, compared with the forced replacement at each fixed period, it can effectively avoid resource waste and avoid missing the best maintenance opportunity.

[0028] By fixing the heating plate 12, the heat sink plate 13, the temperature measurement and control module 14 and the heat conduction plate 15 in a stacked manner, it can well ensure that the heat is transferred to the test surface, that is, the heat conduction plate 15, orderly and evenly.

[0029] To sum up, the temperature measurement accuracy standard block can enable the temperature measurement device to quickly and accurately evaluate the performance of the thermocouple wire 33 to ensure the authenticity and reliability of the temperature measurement result.

[0030] Both the base 11 and the cover plate 16 are made of non-metallic materials, so as to reduce the heat conduction effect of the base 11 and the cover plate 16 and improve the temperature control stability of the heating plate 12. The heat pipe 13 is extruded onto the heating plate 12 by point contact around the perimeter. The heating plate 12 can transfer heat to the heat pipe 13 more evenly and efficiently. In addition, the extrusion fixing method replaces the screw fixing of the heat pipe substrate, which can avoid the risk of screws taking away heat. A 0.5-mm gap is formed between the heat pipe 13 and the base 11, and the gap between the heat pipe 13 and the base 11 can effectively isolate and delay the loss of temperature. The temperature measurement and control module 14 has its temperature measurement point at the coaxial position of the leakage hole 161, so as to effectively reduce the error between the heating temperature data transmitted by the data transmission unit 141 and the temperature value obtained by the temperature measurement probe 32 contacting the heat conduction plate 15. The heat conduction plate 15 is provided with a slot, and the temperature measurement and control module 14 is arranged in the slot, so as to effectively avoid the gap between the heat conduction plate 15 and the heat pipe 13 from affecting the heat conduction efficiency. In addition, it can effectively avoid the damage caused by the extrusion of the temperature measurement and control module 14 when the heat conduction plate 15 and the heat pipe 13 are overlapped and fixed. At the same time, the temperature measurement and control module 14 can obtain the stable information of the heat conduction plate 15 more accurately and stably.

[0031] Based on the above technical solution, the difference between the actual temperature of the heating plate of the temperature measurement accuracy standard block and the temperature read by the thermocouple wire 33 of the temperature measurement device can be controlled within 0.3°C.

[0032] The temperature measurement and control module 14 is provided with a temperature calibration unit. The temperature calibration unit is used to control the temperature to a stable target temperature through the PID algorithm. During the period when the temperature measurement probe 32 of the temperature measurement device can contact the heat conduction plate 15 to measure the temperature on the heat conduction plate 15 and obtain the first data, the temperature measurement and control module 14 controls the heating plate 12 to stably maintain the set temperature. At the same time, the temperature on the heat conduction plate 15 is measured to obtain the second data, and the second data is sent to the temperature measurement device through the data transmission unit 141 for the temperature measurement device to judge the performance of the temperature measurement probe 32 by comparing the first data with the second data. Both the first data and the second data are obtained by detecting the temperature continuously for a period of time at the same time. Therefore, it is possible to more accurately control the heating plate 12 to heat the heat conduction plate 15 to the set temperature and keep the heat conduction plate 15 stably at the set temperature, thereby further improving the accuracy of evaluating the performance of the thermocouple wire 33.

[0033] Such as Figures 1 to 2As shown, the temperature measuring device includes a base and the above-mentioned temperature measurement accuracy standard block. The base is equipped with a carrier, a test unit, a handling mechanism, and a host. The carrier is used to place the product to be tested. The test unit is equipped with an extending driving unit, and the extending driving unit drives a temperature measuring pressure head. The temperature measuring pressure head is electrically connected to the host. The temperature measuring pressure head is provided with a thermocouple wire for contacting the product to be tested. Before the thermocouple wire contacts the product to be tested or after contacting the product to be tested a certain number of times, the handling mechanism is used to carry the temperature measurement accuracy standard block into the carrier. At this time, the data transmission unit of the temperature measurement accuracy standard block is electrically connected to the host by an electrical signal. The extending driving unit drives the temperature measuring pressure head to extend into the empty hole 161 of the temperature measurement accuracy standard block, so that the thermocouple wire contacts the heat conducting plate 15 of the temperature measurement accuracy standard block. Subsequently, the data transmission unit 141 delivers the current heating temperature data of the heating plate 12 of the temperature measurement accuracy standard block to the host. The host compares the heating temperature data with the temperature value obtained by the thermocouple wire contacting the heat conducting plate 15 to judge the performance of the temperature measuring pressure head. The first data and the second data are both obtained by detecting the temperature continuously for a period of time at the same time.

[0034] Before the thermocouple wire of the temperature measuring device contacts the product to be tested for temperature measurement or after the product to be tested contacts a certain number of times, the performance of the thermocouple wire of the temperature measuring pressure head can be conveniently and quickly detected through the temperature measurement accuracy standard block to ensure the authenticity and reliability of the temperature measurement results of the temperature measuring device.

[0035] The data transmission unit 141 of the temperature measurement accuracy standard block is provided with a plug connector 142. The plug connector 142 is provided with contacts exposed outside the base 11. A pillar is installed beside the carrier. The pillar is provided with a metal probe electrically connected to the host. After the temperature measurement accuracy standard block is placed in the carrier, the metal probe contacts the contacts, so that the data transmission unit is electrically connected to the host by an electrical signal, which can facilitate the signal connection between the host and the temperature measurement accuracy standard block, thereby improving the use efficiency of the temperature measurement accuracy standard block.

[0036] One group of contacts on the plug connector 142 is a power supply contact for electrically connecting to the heating plate 12. After the temperature measurement accuracy standard block is placed in the carrier, the host can supply power to the heating plate 12 and control the temperature of the heating plate 12.

[0037] When the temperature measurement accuracy standard block is placed in the carrier, the host can supply power to the temperature measurement accuracy standard block through the plug connector 142, so that the host can control the working state of the heating plate 12 of the temperature measurement accuracy standard block, thereby more efficiently and accurately evaluating the performance of the thermocouple wire; since the temperature measurement accuracy standard block does not need to be provided with a power supply device inside, the manufacturing cost of the temperature measurement accuracy standard block is reduced.

[0038] The base 11 of the temperature measurement accuracy standard block is equipped with a magnetic adsorption module for adsorbing and fixing in the vehicle, so that the temperature measurement accuracy standard block can be conveniently installed in the vehicle and conveniently disassembled from the vehicle.

Claims

1. A temperature measurement accuracy standard block, characterized in that: It includes a base (11), which is detachably placed in a temperature measuring device. A heating plate (12) is installed in the base (11). A heat sink plate (13) is arranged on the heating plate (12). A temperature measuring and controlling module (14) is installed on the heat sink plate (13). The temperature measuring and controlling module (14) is electrically connected to the heating plate (12). The temperature measuring and controlling module (14) is provided with a data transmission unit (141), and the data transmission unit (141) is used to transmit the heating temperature data of the heating plate (12) at this time to the temperature measuring device. A heat conducting plate (15) is flatly attached to the heat sink plate (13). The temperature measuring and controlling module (14) is located between the heat sink plate (13) and the heat conducting plate (15). The base (11) is covered with a cover plate (16) up and down to fix the heating plate (12), the heat sink plate (13), the temperature measuring and controlling module (14) and the heat conducting plate (15) in a stacked manner. The cover plate (16) is provided with a hollow hole (161) located on the heat conducting plate (15). When the temperature measuring probe (32) of the temperature measuring device can contact the heat conducting plate (15), the temperature measuring device can compare the heating temperature data transmitted by the data transmission unit (141) with the temperature value obtained when the temperature measuring probe (32) contacts the heat conducting plate (15) to judge the performance of the temperature measuring probe (32).

2. The temperature measurement accuracy standard block according to claim 1, wherein: Both the base (11) and the cover plate (16) are made of non-metallic materials.

3. A temperature measurement accuracy standard block according to claim 1, characterized in that: The heat sink plate (13) is extruded on the heating plate (12) by point contact around, and a gap of 0.5 mm is formed between the heat sink plate (13) and the base (11).

4. A temperature measurement accuracy standard block according to claim 1, characterized in that: The temperature measurement point of the temperature measuring and controlling module (14) is at the coaxial position of the hollow hole (161).

5. A temperature measurement accuracy standard block according to claim 1, characterized in that: The heat conducting plate (15) is provided with a slot, and the temperature measuring and controlling module (14) is arranged in the slot.

6. A temperature measurement accuracy standard block according to claim 1, characterized in that: The temperature measuring and controlling module (14) is provided with a temperature calibration unit, and the temperature calibration unit is used to control the temperature to a stable target temperature through the PID algorithm. During the period when the temperature measuring probe (32) of the temperature measuring device can contact the heat conducting plate (15) to measure the temperature on the heat conducting plate (15) to obtain the first data, the temperature measuring and controlling module (14) controls the heating plate (12) to stably maintain the set temperature. At the same time, the temperature on the heat conducting plate (15) is measured to obtain the second data, and the second data is sent to the temperature measuring device through the data transmission unit (141) for the temperature measuring device to judge the performance of the temperature measuring probe (32) by comparing the first data with the second data.

7. A temperature measuring device, characterized in that: It includes a base and the temperature measurement accuracy standard block described in any one of claims 1 to 6. The base is equipped with a carrier, a test unit, a handling mechanism, and a host. The carrier is used to place the product to be tested. The test unit is equipped with an extending driving unit, which drives a temperature measurement press head. The temperature measurement press head is electrically connected to the host. The temperature measurement press head is provided with a thermocouple wire for contacting the product to be tested. Before the thermocouple wire contacts the product to be tested or after contacting the product to be tested for a certain number of times, the handling mechanism is used to transport the temperature measurement accuracy standard block into the carrier. At this time, the data transmission unit of the temperature measurement accuracy standard block is electrically connected to the host by an electrical signal. The extending driving unit drives the temperature measurement press head to extend into the hollow hole (161) of the temperature measurement accuracy standard block, so that the thermocouple wire contacts the heat conduction plate (15) of the temperature measurement accuracy standard block. Subsequently, the data transmission unit (141) transmits the heating temperature data of the heating plate (12) of the temperature measurement accuracy standard block to the host at this time. The host compares the heating temperature data with the temperature value obtained when the thermocouple wire contacts the heat conduction plate (15) to judge the performance of the temperature measurement press head. The first data and the second data are both obtained by detecting the temperature continuously for a period of time at the same time.

8. A temperature measuring device according to claim 7, characterized in that: The data transmission unit (141) of the temperature measurement accuracy standard block is provided with a plug connector (142). The plug connector (142) is provided with contacts exposed outside the base (11). A support column is installed beside the carrier. The support column is provided with a metal probe electrically connected to the host. After the temperature measurement accuracy standard block is placed in the carrier, the metal probe contacts the contacts, so that the data transmission unit is electrically connected to the host by an electrical signal.

9. A temperature measuring device according to claim 8, characterized in that: One group of contacts on the plug connector (142) is a power supply contact for electrically connecting to the heating plate (12). After the temperature measurement accuracy standard block is placed in the carrier, the host can supply power to the heating plate (12) and control the temperature of the heating plate (12).

10. A temperature measuring device according to claim 7, characterized in that: The base (11) of the temperature measurement accuracy standard block is installed with a magnetic adsorption module for adsorbing and fixing in the carrier.

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