CN212432369U - End surface thermal resistor - Google Patents
End surface thermal resistor Download PDFInfo
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- CN212432369U CN212432369U CN202020624021.1U CN202020624021U CN212432369U CN 212432369 U CN212432369 U CN 212432369U CN 202020624021 U CN202020624021 U CN 202020624021U CN 212432369 U CN212432369 U CN 212432369U
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Abstract
The utility model discloses a terminal surface thermal resistance, including main part box, temperature measurement board and controller, the flat board is installed to the below of main part box, and is connected with the pole setting below the dull and stereotyped intermediate position, both ends below all is fixed with miniature air pump about the flat board, and the below of miniature air pump is connected with the cylinder, the below of cylinder is connected with the movable rod, and the lower extreme of movable rod installs the base, the temperature measurement board is connected in the lower extreme of pole setting, and the inside of temperature measurement board evenly is provided with the temperature probe, the controller is installed in the inside of main part box, the inside arrangement of cylinder has the piston, and the cylinder has seted up the air flue with the junction of miniature air pump, distance measuring sensor is all installed to the below at both ends about the temperature measurement board, and distance measuring sensor's inboard is provided with the magnetic path. The shape of the temperature measuring plate can be adjusted through the end face thermal resistor, so that the temperature measuring plate can be suitable for temperature measurement of arc-shaped objects of different sizes, and the practicability is higher.
Description
Technical Field
The utility model relates to a temperature measuring device technical field specifically is a terminal surface thermal resistance.
Background
Thermal resistance is one of the most commonly used temperature detectors in the medium and low temperature regions. Thermal resistance thermometry is based on the property that the resistance of a metal conductor increases with increasing temperature. Its main features are high measuring accuracy and stable performance. Among them, the platinum thermistor has the highest measurement accuracy, and is widely used in industrial temperature measurement and is made into a standard reference instrument.
However, the appearance structure of the thermal resistor in the current market is mostly a long column type, the temperature of the surface of an object with an arc-shaped structure is not convenient to measure in the using process, the thermal resistor is only in contact with the measured object, the temperature measuring reliability of the thermal resistor is poor, the measured temperature is slow in reaction, the measuring result is inaccurate, and the problem that the using requirement of a user requiring the measuring result to be precise cannot be met exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an end surface thermal resistor to solve the appearance structure of the thermal resistor on the existing market that proposes in the above-mentioned background and mostly be long columnar order, be not convenient for carry out the temperature measurement to the object surface of arc structure in the use, the thermal resistor only a point and the testee contact, it is relatively poor to make its temperature measurement reliability, it is slow to lead to the measurement temperature reaction, measuring result is inaccurate, there is the problem that can't satisfy the operation requirement to the more accurate user of measuring result requirement.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an end face thermal resistor, includes main part box, temperature measurement board and controller, the flat board is installed to the below of main part box, and is connected with the pole setting below dull and stereotyped intermediate position, both ends below all is fixed with miniature air pump about the flat board, and the below of miniature air pump is connected with the cylinder, the below of cylinder is connected with the movable rod, and the lower extreme of movable rod installs the base, the temperature measurement board is connected in the lower extreme of pole setting, and the inside of temperature measurement board evenly is provided with the temperature probe, the controller is installed in the inside of main part box, the inside arrangement of cylinder has the piston, and the cylinder has seted up the air flue with the junction of miniature air pump, range finding sensor is all installed to the below at both ends about the temperature measurement board, and range finding sensor's inboard is provided with.
Preferably, the inner structures of the vertical rod and the temperature measuring plate are both hollow structures, and the vertical rod is communicated with the temperature measuring plate.
Preferably, the micro air pump forms a communicating structure with the air cylinder through the air passage, and the air cylinder forms a telescopic structure with the movable rod through the piston.
Preferably, a fixed rod is fixed in the middle of the base, and the movable rod forms a rotating structure with the base through the fixed rod.
Preferably, the temperature measuring plate is of an elastic arc-shaped structure, the lower surface of the temperature measuring plate is connected with an insulating pad, and the insulating pad is made of rubber.
Preferably, the distance measuring sensor and the temperature measuring probe are electrically connected with the input end of the controller through leads, and the output end of the controller is electrically connected with the micro air pump through leads.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the end face thermal resistor is provided with the air passage to communicate the miniature air pump and the air cylinder, so that the miniature air pump can transmit air to the interior of the air cylinder through the air passage, the air pressure in the air cylinder is changed to drive the air cylinder and the movable rod to move in a telescopic mode, the whole device can adjust the shape of the temperature measuring plate, the temperature measuring plate can be suitable for measuring the temperature of arc-shaped objects with different sizes, and the practicability is higher;
2. the bottom end of the movable rod is sleeved outside the fixed rod and can rotate around the fixed rod, so that the movable rod can be conveniently connected with the temperature measuring plate when the movable rod stretches and retracts, the arc-shaped temperature measuring plate is matched with the arc-shaped object, the application range of the whole device is greatly expanded, and the temperature measuring probes distributed at equal intervals can acquire multiple groups of temperature data at one time, so that the accuracy of the temperature measuring result of the whole device is effectively improved;
3. set up distance measuring sensor and can record the distance between temperature measurement board and the testee to cooperate with the controller, so that the miniature air pump of intelligence drive drives the movable rod and carries out deformation adjustment to the temperature measurement board, be favorable to improving the suitability of whole device to the testee, the magnetic path that sets up simultaneously has certain adsorption to the testee, can improve the effect of temperature measurement board laminating testee, and then improves the stability of temperature measurement effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal cross-sectional structure of the present invention;
fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 2 according to the present invention.
In the figure: 1. a main body case; 2. a flat plate; 3. erecting a rod; 4. a micro air pump; 5. a cylinder; 6. a movable rod; 7. a base; 8. a temperature measuring plate; 9. a temperature measuring probe; 10. a controller; 11. a piston; 12. an airway; 13. a ranging sensor; 14. a magnetic block; 15. an insulating pad; 16. and (5) fixing the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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. 1-3, the present invention provides a technical solution: an end face thermal resistor comprises a main body box 1, a flat plate 2, an upright rod 3, a micro air pump 4, an air cylinder 5, a movable rod 6, a base 7, a temperature measuring plate 8, a temperature measuring probe 9, a controller 10, a piston 11, an air passage 12, a distance measuring sensor 13, a magnetic block 14, an insulating pad 15 and a fixed rod 16, wherein the flat plate 2 is arranged below the main body box 1, the upright rod 3 is connected below the middle position of the flat plate 2, the micro air pump 4 is fixed below the left end and the right end of the flat plate 2, the air cylinder 5 is connected below the micro air pump 4, the movable rod 6 is connected below the air cylinder 5, the base 7 is arranged at the lower end of the movable rod 6, the temperature measuring plate 8 is connected to the lower end of the upright rod 3, the temperature measuring probe 9 is uniformly arranged inside the temperature measuring plate 8, the upright rod 3 and the temperature measuring plate 8 are both of a hollow structure, the upright rod 3 is communicated with the temperature measuring plate 8, the upright rod 3 is communicated with the inside of the temperature measuring plate 8, so that the wiring of internal electrical elements of the whole device during manufacturing is facilitated, and the problem that the service life of the device is influenced due to the fact that a lead is directly exposed is solved;
the controller 10 is installed inside the main body box 1, a piston 11 is arranged inside the cylinder 5, an air passage 12 is formed in the joint of the cylinder 5 and the micro air pump 4, the micro air pump 4 forms a communicating structure with the cylinder 5 through the air passage 12, the cylinder 5 forms a telescopic structure with the movable rod 6 through the piston 11, the air passage 12 is arranged to communicate the micro air pump 4 with the cylinder 5, so that the micro air pump 4 can transmit air to the inside of the cylinder 5 through the air passage 12, the telescopic movement between the cylinder 5 and the movable rod 6 is driven through the change of the air pressure inside the cylinder 5, the shape of the temperature measuring plate 8 can be adjusted by the whole device, the temperature measuring plate 8 can be suitable for measuring the temperature of arc objects with different sizes, and the practicability is higher;
the lower parts of the left end and the right end of the temperature measuring plate 8 are respectively provided with a distance measuring sensor 13, the inner side of the distance measuring sensor 13 is provided with a magnetic block 14, the distance measuring sensor 13 and the temperature measuring probe 9 are both electrically connected with the input end of the controller 10 through leads, the output end of the controller 10 is electrically connected with the micro air pump 4 through leads, the distance measuring sensor 13 can measure the distance between the temperature measuring plate 8 and a measured object and is matched with the controller 10, so that the micro air pump 4 is intelligently driven to drive the movable rod 6 to carry out deformation adjustment on the temperature measuring plate 8, the applicability of the whole device to the measured object is favorably improved, meanwhile, the magnetic block 14 has certain adsorption effect on the measured object, the effect that the temperature measuring plate 8 is attached to the measured object can be improved, the stability of the temperature measuring effect is improved, the structure of the temperature measuring plate 8 is an elastic arc-shaped structure, and the lower surface, and insulating pad 15's material is rubber, it is identical with the structure of arc object to set up curved temperature measurement board 8, the application scope of whole device has been expanded greatly, and temperature probe 9 that the equidistance distributes can once gather multiunit temperature data, so that effectively improve the accuracy of the temperature measurement result of whole device, the intermediate position of base 7 is fixed with fixed rod 16, and movable rod 6 constitutes revolution mechanic through deciding between rod 16 and the base 7, the bottom cover that sets up movable rod 6 is in the outside of deciding rod 16, can rotate round fixed rod 16, so that make things convenient for movable rod 6 when flexible, with temperature measurement board 8's being connected.
The working principle is as follows: for the end surface thermal resistor, firstly, the temperature measuring plate 8 is contacted with a measured object, a lead of the temperature measuring probe 9 can be connected with a controller 10 in the main body box 1 through the upright rod 3, after the whole device is connected with an external power supply, a distance measuring sensor 13 with the model of HC-SR04 can detect the distance between the temperature measuring plate 8 and the surface of the measured object, and transmit the detected data to the controller 10 with the model of AT89S51, the controller 10 analyzes and processes the detected data, then the micro air pump 4 below the flat plate 2 is controlled to start, the micro air pump 4 works to convey air to the inside of the air cylinder 5 through the air passage 12, the air in the air cylinder 5 is increased, the pressure increases, the piston 11 pushes the piston 11 to move downwards, the movable rod 6 drives the two ends of the temperature measuring plate 8 to bend downwards through the base 7 and the fixed rod 16, and simultaneously the movable rod 6 and the fixed rod 16 slightly rotate, until the insulating pad 15 is tightly attached to the surface of a measured object, the magnetic block 14 attracts the measured object, meanwhile, the temperature measuring probes 9 of PT100 in a plurality of models are in contact with the surface of the measured object, the measured object is measured, the temperature measuring probes 9 transmit measured data to the controller 10 through leads, the controller 10 can transmit the measured data to other terminal equipment through external leads, and therefore temperature measurement is completed, and the using process of the whole end face thermal resistor is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an end face thermal resistance, includes main part box (1), temperature measurement board (8) and controller (10), its characterized in that: a flat plate (2) is arranged below the main body box (1), a vertical rod (3) is connected below the middle position of the flat plate (2), a miniature air pump (4) is fixed below the left end and the right end of the flat plate (2), an air cylinder (5) is connected below the miniature air pump (4), a movable rod (6) is connected below the air cylinder (5), a base (7) is arranged at the lower end of the movable rod (6), the temperature measuring plate (8) is connected to the lower end of the vertical rod (3), temperature measuring probes (9) are uniformly arranged inside the temperature measuring plate (8), the controller (10) is arranged inside the main body box (1), a piston (11) is arranged inside the air cylinder (5), an air passage (12) is arranged at the joint of the air cylinder (5) and the miniature air pump (4), and distance measuring sensors (13) are arranged below the left end and the right end of the temperature measuring plate (8), and the inner side of the distance measuring sensor (13) is provided with a magnetic block (14).
2. An end face heat resistor according to claim 1, wherein: the inner structures of the vertical rod (3) and the temperature measuring plate (8) are both hollow structures, and the vertical rod (3) is communicated with the temperature measuring plate (8).
3. An end face heat resistor according to claim 1, wherein: the micro air pump (4) forms a communicating structure with the air cylinder (5) through the air passage (12), and the air cylinder (5) forms a telescopic structure with the movable rod (6) through the piston (11).
4. An end face heat resistor according to claim 1, wherein: a fixed rod (16) is fixed in the middle of the base (7), and the movable rod (6) forms a rotating structure with the base (7) through the fixed rod (16).
5. An end face heat resistor according to claim 1, wherein: the structure of the temperature measurement plate (8) is an elastic arc-shaped structure, the lower surface of the temperature measurement plate (8) is connected with an insulating pad (15), and the insulating pad (15) is made of rubber.
6. An end face heat resistor according to claim 1, wherein: the distance measuring sensor (13) and the temperature measuring probe (9) are both electrically connected with the input end of the controller (10) through leads, and the output end of the controller (10) is electrically connected with the micro air pump (4) through leads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020624021.1U CN212432369U (en) | 2020-04-22 | 2020-04-22 | End surface thermal resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020624021.1U CN212432369U (en) | 2020-04-22 | 2020-04-22 | End surface thermal resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212432369U true CN212432369U (en) | 2021-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020624021.1U Active CN212432369U (en) | 2020-04-22 | 2020-04-22 | End surface thermal resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212432369U (en) |
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2020
- 2020-04-22 CN CN202020624021.1U patent/CN212432369U/en active Active
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