CN220206905U - Temperature sensor testing device - Google Patents

Temperature sensor testing device Download PDF

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Publication number
CN220206905U
CN220206905U CN202321405129.1U CN202321405129U CN220206905U CN 220206905 U CN220206905 U CN 220206905U CN 202321405129 U CN202321405129 U CN 202321405129U CN 220206905 U CN220206905 U CN 220206905U
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China
Prior art keywords
temperature
temperature sensor
fluid
box
detection box
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CN202321405129.1U
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Chinese (zh)
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梁家源
陆桂清
廖志勇
周庆奋
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Shenzhen Dafeng Measuring Group Co ltd
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Shenzhen Dafeng Measuring Group Co ltd
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Abstract

The embodiment of the utility model discloses a temperature sensor testing device, which comprises: testing the bottom table; the rotating platform is rotatably mounted on the test base table; the rotating connecting piece is fixedly arranged on the rotating table; the sensor snatchs the piece, the sensor snatch the piece install in rotate on the connecting piece, the sensor snatchs and is equipped with at least one temperature sensor that awaits measuring and two at least standard temperature sensor on the piece, still be equipped with fluid detection case, high temperature constant temperature case and low temperature constant temperature case on the test base table, just fluid detection case. According to the temperature sensor testing device, at least two standard temperature sensors are used as a comparison, so that the temperature sensor to be tested is selected among the fluid detection box, the high-temperature constant-temperature box and the low-temperature constant-temperature box through the rotating connecting piece and the rotating table, and the current temperature test, the cooling test, the heating test and the high-temperature and low-temperature change test are performed, and the testing result is more accurate and comprehensive.

Description

Temperature sensor testing device
Technical Field
The utility model relates to the technical field of sensor detection, in particular to a temperature sensor testing device.
Background
Temperature sensors are widely used in various industries, and mainly measure the temperature of the surface of an object and the environment where the object is located directly, and the accuracy detection of the temperature sensors is mainly carried out by adopting devices such as a low-temperature water tank, a high-temperature oil tank and the like, however, after the temperature sensors are used for a long time, detection errors are not avoided due to the aging of a machine. Therefore, a device specially used for testing a temperature sensor is needed to timely detect the measurement accuracy, so that the situation that the measurement error is large after long-term use is effectively avoided, and the application effect related to the measured object is seriously influenced.
The detection device of the temperature sensor in the prior art has a single detection mode, and the detection mode is compared with the temperature detected by the sensor to be tested to obtain a result after the current temperature is detected, so that the detection mode has the accident, is easy to misjudge, and can reflect that the performance parameters of the temperature sensor are limited.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a temperature sensor testing device, so as to solve the defects that the detection mode of a temperature sensor testing device in the prior art is single, the testing mode is accidental, misjudgment is easy to occur, and the performance parameters of the temperature sensor are limited.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an embodiment of the present utility model provides a temperature sensor testing apparatus, including: testing the bottom table; the rotating platform is rotatably mounted on the test base table; the rotating connecting piece is fixedly arranged on the rotating table; the sensor grabbing piece is arranged on the rotating connecting piece and is provided with at least one temperature sensor to be detected and at least two standard temperature sensors; the device comprises a test base table, a sensor grabbing piece, a fluid detection box, a high-temperature constant-temperature box and a low-temperature constant-temperature box, wherein the test base table is further provided with the fluid detection box, the high-temperature constant-temperature box and the low-temperature constant-temperature box, and the fluid detection box, the high-temperature constant-temperature box and the low-temperature constant-temperature box are distributed on the lower side of the movement track of the sensor grabbing piece.
In one possible embodiment, the rotary connection comprises: the stand and crossbeam, the stand vertically install in on the revolving stage, crossbeam horizontal installation in the stand top, the sensor snatch the piece install in the crossbeam is kept away from stand one end, just the sensor snatch the vertical downward of grabbing end direction of piece.
In one possible embodiment, the sensor gripper comprises: the controllable telescopic member and the clamping claw are arranged on the cross beam, the fixed end of the controllable telescopic member is arranged in the mounting groove, the extending direction of the controllable telescopic member is vertical downward, the telescopic end of the controllable telescopic member is connected to the clamping claw, and the temperature sensor to be detected and the standard temperature sensor are vertically arranged on the lower side of the clamping claw.
In one possible embodiment, the rotary table is circular, and the upright is mounted at the center of the rotary table.
In one possible implementation manner, a forward and reverse rotation motor is arranged on one side, close to the rotary table, of the test table, a first bevel gear is mounted on an output shaft of the forward and reverse rotation motor, a second bevel gear is coaxially mounted on the rotary table, and the first bevel gear is meshed with the second bevel gear.
In one possible embodiment, the fluid detection kit comprises: the device comprises a detection box, a cooling device and a heating device, wherein the cooling device and the heating device are both connected to the detection box, the cooling device is used for cooling fluid in the detection box, and the heating device is used for heating fluid in the detection box.
In one possible embodiment, the detection box comprises: the detection box comprises a detection box body and a detection box cover, wherein the detection box cover is arranged on the detection box body, and a sealing ring is arranged between the detection box cover and the connection part of the detection box body.
In one possible embodiment, the fluid tank body is provided with a fluid inlet and a fluid outlet, the fluid inlet is communicated with the fluid storage tank, and the fluid outlet is communicated with the fluid recovery tank.
In one possible embodiment, further comprising a stirring device comprising: stirring power device, (mixing) shaft and stirring vane, the (mixing) shaft rotate connect in detect the case lid, stirring power device is located detect the case lid and keep away from detect case box one side, stirring vane is located detect in the case box, the (mixing) shaft connect in stirring power device with between the stirring vane.
In one possible embodiment, the temperature sensor to be measured and the standard temperature sensor are both connected to a control system.
Compared with the prior art, the temperature sensor testing device provided by the utility model has the advantages that at least two standard temperature sensors are used as comparison, the temperature sensor to be tested is selected among the fluid detection box, the high-temperature constant temperature box and the low-temperature constant temperature box through the rotating connecting piece and the rotating table, so that the current temperature test, the cooling test, the heating test and the high-low temperature change test are performed, the sensitivity, the static error and the dynamic error of the temperature sensor to be tested are tested in multiple aspects, and the testing result is more accurate and comprehensive.
The foregoing description is only an overview of the present utility model, and is intended to be more clearly understood as being carried out in accordance with the following description of the preferred embodiments, as well as other objects, features and advantages of the present utility model.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a temperature sensor testing apparatus according to the present utility model;
FIG. 2 is a schematic top view of a temperature sensor testing apparatus according to the present utility model;
FIG. 3 is a schematic diagram of a fluid detection box of a temperature sensor testing device according to the present utility model;
FIG. 4 is a schematic diagram of a connection structure of a rotary table of a temperature sensor testing apparatus according to the present utility model;
the figure identifies the description:
1. testing the bottom table; 2. a rotary table; 21. a second bevel gear; 22. a first bevel gear; 23. a forward and reverse rotation motor; 3. rotating the connecting piece; 31. a column; 32. a cross beam; 4. a sensor gripping member; 41. a controllable expansion piece; 42. clamping claws; 421. a temperature sensor to be measured; 422. a standard temperature sensor; 5. a fluid detection tank; 51. a detection box; 511. detecting a box body; 512. a detection box cover; 513. a fluid storage tank; 514. a fluid recovery tank; 515. a seal ring; 52. a cooling device; 53. a heating device; 54. a stirring device; 541. a stirring power device; 542. a stirring shaft; 543. stirring blades; 6. a high temperature incubator; 7. a low temperature incubator; 8. and a control system.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and the detailed description, in order to make the objects, technical solutions and advantages of the present utility model more apparent.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships as described based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be attached, detached, or integrated, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms should not be understood as necessarily being directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, one skilled in the art can combine and combine the different embodiments or examples described in this specification.
Referring to fig. 1 to 2, an embodiment of the present utility model provides a temperature sensor testing apparatus, which includes: a test bed 1; a rotary table 2, the rotary table 2 being rotatably mounted on the test table 1; the rotating connecting piece 3 is fixedly arranged on the rotating table 2; the sensor grabbing piece 4 is arranged on the rotary connecting piece 3, and the sensor grabbing piece 4 is provided with at least one temperature sensor 421 to be detected and at least two standard temperature sensors 422; the test table 1 is further provided with a fluid detection box 5, a high-temperature constant-temperature box 6 and a low-temperature constant-temperature box 7, and the fluid detection box 5, the high-temperature constant-temperature box 6 and the low-temperature constant-temperature box 7 are distributed on the lower side of the motion track of the sensor grabbing piece 4. In use, the sensor gripping member 4 is connected to the rotary connecting member 3 and grips at least one temperature sensor 421 to be tested and at least two standard temperature sensors 422, the user can push the rotary connecting member 3, and the rotary connecting member 3 and the test table 1 form a relative rotation through the rotary table 2, so that the sensor gripping member 4 moves above the fluid detection box 5, the high temperature incubator 6 and the low temperature incubator 7 with the temperature sensor 421 to be tested and the standard temperature sensors 422, and one of them is selected as required to perform a test.
Further, the rotary connector 3 includes: the stand 31 and the crossbeam 32, the stand 31 is vertical to be installed on revolving stage 2, crossbeam 32 horizontal installation is in stand 31 top, sensor snatchs piece 4 and installs in crossbeam 32 keeps away from stand 31 one end, and the sensor snatchs piece 4 snatchs the vertical downward of end direction, when stand 31 is rotatory, crossbeam 32 will use stand 31 as the center rotation, the sensor that sets up in crossbeam 32 tip snatchs piece 4 motion track and is the circular arc, the correspondence, fluid detection case 5, high temperature incubator 6 and low temperature incubator 7 are the circular arc below the motion track that the sensor snatched piece 4 and arrange.
In one embodiment, the sensor gripper 4 comprises: the controllable telescopic member 41 and the clamping claw 42 are provided with a mounting groove, the beam 32 is provided with a mounting groove, the fixed end of the controllable telescopic member 41 is mounted in the mounting groove, the extending direction of the controllable telescopic member 41 is vertical downward, the telescopic end of the controllable telescopic member 41 is connected with the clamping claw 42, and the temperature sensor 421 to be detected and the standard temperature sensor 422 are vertically arranged on the lower side of the clamping claw 42. When the sensor grabbing piece 4 moves to the upper side of the fluid detection box 5 or the high-temperature incubator 6 or the low-temperature incubator 7 to be tested, the controllable telescopic piece 41 works to enable the clamping claw 42 to move downwards, and the temperature sensor 421 to be detected and the standard temperature sensor 422 grabbed on the clamping claw 42 descend along with the clamping claw 42 until being inserted into the detection slot on the fluid detection box 5 or the high-temperature incubator 6 or the low-temperature incubator 7. Optionally, the controllable telescopic member 41 is an air cylinder, the upper side of the clamping claw 42 is connected to the controllable telescopic member 41, a plurality of temperature sensor slots are arranged on the lower side of the clamping claw 42, and the standard temperature sensor 422 and the temperature sensor 421 to be tested are inserted and clamped on the lower side of the clamping claw 42.
Referring to fig. 3, in one embodiment, the fluid detection tank 5 includes: the detection box 51, the cooling device 52 and the heating device 53 are connected to the detection box 51, the cooling device 52 is used for cooling the fluid in the detection box 51, and the heating device 53 is used for heating the fluid in the detection box 51.
Optionally, the cooling device 52 includes: the cooling compressor, condenser pipe and driving machine, driving machine are connected in the cooling compressor, and the cooling compressor is connected in the condenser pipe, and the condenser pipe is located detection case 51, and driving machine and cooling compressor are located the detection case 51 outside.
Optionally, the heating device 53 includes: the electric heater and the heat conduction stick, the heat conduction stick is connected in the electric heater, and the heat conduction stick is located the detection case 51, and the electric heater is located the detection case 51 outside.
Further, the detection box 51 includes: the detection box body 511 and the detection box cover 512, the detection box cover 512 is covered on the detection box body 511, a sealing ring 515 is arranged between the connection part of the detection box cover 512 and the detection box body 511, dirt is easy to appear in the detection box 51 after long-term use, the dirt will affect the temperature rise and fall of the fluid in the detection tank 51 and when the user needs to clean it, the detection tank cover 512 can be detached from the detection tank 511 to clean the dirt in the detection tank 511. Preferably, the fluid tank body is provided with a fluid inlet and a fluid outlet, the fluid inlet is communicated with the fluid storage tank 513, and the fluid outlet is communicated with the fluid recovery tank 514.
Further, the temperature sensor testing device further includes a stirring device 54, and the stirring device 54 includes: stirring power device 541, (mixing) shaft 542 and stirring vane 543, stirring shaft 542 rotates and connects in detection case lid 512, and stirring power device 541 is located detection case lid 512 and keeps away from detection case box 511 one side, and stirring vane 543 is located detection case box 511, and stirring shaft 542 connects between stirring power device 541 and stirring vane 543. Alternatively, the stirring power device 541 may be a rotary handle, and the user may manually rotate the rotary handle to stir the fluid in the detection tank 51 by the stirring blade 543; alternatively, the stirring power device 541 may be a driving motor, and the stirring shaft 542 is driven to rotate by the driving motor, and the stirring blade 543 is driven to rotate by the stirring shaft 542, so that the stirring blade 543 stirs the fluid in the detection tank 51. In order to make the fluid in the detection box 51 heated or cooled more uniformly, the condition of uneven heating or uneven cooling of the fluid is avoided, the stirring device 54 is arranged to stir the fluid in the detection box 51 to flow, so that the fluid in the detection box 51 is heated or cooled more uniformly.
Referring to fig. 4, in an embodiment, the rotary table 2 is circular, and the upright posts 31 are installed at the center of the rotary table 2.
Further, a forward and reverse rotation motor 23 is arranged on one side, close to the rotary table 2, of the test table 1, a first bevel gear 22 is arranged on an output shaft of the forward and reverse rotation motor 23, a second bevel gear 21 is coaxially arranged on the rotary table 2, the first bevel gear 22 is meshed with the second bevel gear 21, when the forward and reverse rotation motor 23 works, the first bevel gear 22 is driven by the forward and reverse rotation motor 23 to rotate, the first bevel gear 22 drives the second bevel gear 21 to rotate, the second bevel gear 21 drives the rotary table 2 to rotate, and the rotary table 2 drives the rotary connecting piece 3 to rotate, so that finally the sensor grabbing piece 4 moves on the upper side of the fluid detection box 5 or the high-temperature constant-temperature box 6 or the low-temperature constant-temperature box 7, and the rotation of the rotary table 2 is not manual any more through the arrangement of the forward and reverse rotation motor 23, so that the device is more automatic.
Optionally, the forward and reverse rotation motor 23 is connected with a first control device, the first control device is used for controlling the operation of the forward and reverse rotation motor 23, and a user can preset the operation mode of the forward and reverse rotation motor 23 through the first control device, so that the sensor grabbing piece 4 can be located on the upper side of the fluid detection box 5 or the high-temperature constant-temperature box 6 or the low-temperature constant-temperature box 7 during each operation, and the sensor grabbing piece 4 can only make reciprocating motion on the upper side of the fluid detection box 5 or the high-temperature constant-temperature box 6 or the low-temperature constant-temperature box 7.
In an embodiment, the temperature sensor 421 to be measured and the standard temperature sensor 422 are connected to the control system 8, and the control system 8 includes a data acquisition device, a data processing device and a display, which can acquire, process and display the data in the detection process of the temperature sensor 421 to be measured and the standard temperature sensor 422.
Compared with the prior art, the temperature sensor testing device provided by the utility model has the advantages that at least two standard temperature sensors are used as comparison, the temperature sensor to be tested is selected among the fluid detection box, the high-temperature constant temperature box and the low-temperature constant temperature box through the rotating connecting piece and the rotating table, so that the current temperature test, the cooling test, the heating test and the high-low temperature change test are performed, the sensitivity, the static error and the dynamic error of the temperature sensor to be tested are tested in multiple aspects, and the testing result is more accurate and comprehensive.
While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. A temperature sensor testing device, comprising:
testing the bottom table;
the rotating platform is rotatably mounted on the test base table;
the rotating connecting piece is fixedly arranged on the rotating table;
the sensor grabbing piece is arranged on the rotating connecting piece and is provided with at least one temperature sensor to be detected and at least two standard temperature sensors;
the device comprises a test base table, a sensor grabbing piece, a fluid detection box, a high-temperature constant-temperature box and a low-temperature constant-temperature box, wherein the test base table is further provided with the fluid detection box, the high-temperature constant-temperature box and the low-temperature constant-temperature box, and the fluid detection box, the high-temperature constant-temperature box and the low-temperature constant-temperature box are distributed on the lower side of the movement track of the sensor grabbing piece.
2. A temperature sensor testing device according to claim 1, wherein said rotary connection comprises: the stand and crossbeam, the stand vertically install in on the revolving stage, crossbeam horizontal installation in the stand top, the sensor snatch the piece install in the crossbeam is kept away from stand one end, just the sensor snatch the vertical downward of grabbing end direction of piece.
3. A temperature sensor testing device according to claim 2, wherein said sensor gripping member comprises: the controllable telescopic member and the clamping claw are arranged on the cross beam, the fixed end of the controllable telescopic member is arranged in the mounting groove, the extending direction of the controllable telescopic member is vertical downward, the telescopic end of the controllable telescopic member is connected to the clamping claw, and the temperature sensor to be detected and the standard temperature sensor are vertically arranged on the lower side of the clamping claw.
4. The temperature sensor testing device according to claim 2, wherein the rotary table is circular, and the upright is mounted at the center of the rotary table.
5. The device according to claim 4, wherein a forward and reverse motor is arranged on the test base table at a side close to the rotary table, a first bevel gear is mounted on an output shaft of the forward and reverse motor, a second bevel gear is coaxially mounted on the rotary table, and the first bevel gear is meshed with the second bevel gear.
6. A temperature sensor testing device according to claim 1, wherein said fluid detection chamber comprises: the device comprises a detection box, a cooling device and a heating device, wherein the cooling device and the heating device are both connected to the detection box, the cooling device is used for cooling fluid in the detection box, and the heating device is used for heating fluid in the detection box.
7. A temperature sensor testing device according to claim 6, wherein said detection box comprises: the detection box comprises a detection box body and a detection box cover, wherein the detection box cover is arranged on the detection box body, and a sealing ring is arranged between the detection box cover and the connection part of the detection box body.
8. The device of claim 7, wherein the fluid tank body is provided with a fluid inlet and a fluid outlet, the fluid inlet is communicated with the fluid storage tank, and the fluid outlet is communicated with the fluid recovery tank.
9. The temperature sensor testing device of claim 7, further comprising a stirring device, the stirring device comprising: stirring power device, (mixing) shaft and stirring vane, the (mixing) shaft rotate connect in detect the case lid, stirring power device is located detect the case lid and keep away from detect case box one side, stirring vane is located detect in the case box, the (mixing) shaft connect in stirring power device with between the stirring vane.
10. The device of claim 1, further comprising a control system, wherein the temperature sensor to be measured and the standard temperature sensor are both connected to the control system.
CN202321405129.1U 2023-06-02 2023-06-02 Temperature sensor testing device Active CN220206905U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321405129.1U CN220206905U (en) 2023-06-02 2023-06-02 Temperature sensor testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321405129.1U CN220206905U (en) 2023-06-02 2023-06-02 Temperature sensor testing device

Publications (1)

Publication Number Publication Date
CN220206905U true CN220206905U (en) 2023-12-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321405129.1U Active CN220206905U (en) 2023-06-02 2023-06-02 Temperature sensor testing device

Country Status (1)

Country Link
CN (1) CN220206905U (en)

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