CN214583740U - Dynamic characteristic detection device for temperature measuring element - Google Patents
Dynamic characteristic detection device for temperature measuring element Download PDFInfo
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- CN214583740U CN214583740U CN202120872694.3U CN202120872694U CN214583740U CN 214583740 U CN214583740 U CN 214583740U CN 202120872694 U CN202120872694 U CN 202120872694U CN 214583740 U CN214583740 U CN 214583740U
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- temperature measuring
- measuring element
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- spring
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Abstract
The invention relates to a dynamic characteristic detection device of a temperature measuring element, which belongs to the technical field of temperature measurement and mainly comprises a control system, an ejection mechanism and data acquisition and processing; the invention realizes the constant temperature environment maintenance and the automatic ejection of the temperature measuring element before the ejection of the temperature measuring element, and solves the problems of slow free fall and uncontrollable free fall of the temperature measuring element; meanwhile, aiming at the condition that the temperature measuring element falls into the thermostatic oven for timing by visual observation, the device provided by the invention detects whether the temperature measuring element falls into the thermostatic oven or not by using the trigger, and the temperature curve is acquired and processed by the microprocessor, so that the dynamic characteristic of the temperature measuring element is detected.
Description
Technical Field
The invention discloses a dynamic characteristic detection device for a temperature measuring element, relates to an impact test for detecting the influence of temperature mutation on the temperature measuring element, and belongs to a test device for temperature impact detection.
Background
Temperature test research has shifted from steady-state temperature fields to transient temperature fields, and particularly fast and accurate test research for transient high temperatures has become popular.
In a transient high-temperature field, the method has very important practical significance for rapid and accurate measurement of the temperature measuring element. Because the measured temperature signal in the transient high-temperature test has short duration and large amplitude, severe requirements on a temperature testing device are provided due to the harsh testing environment and the like. The dynamic characteristic test of the temperature measuring element generally adopts the traditional manual sampling test method of the production line at present, and the method has low safety, low efficiency and high cost, and has contingency in the sampling process, thereby causing the problems of large quantity and low quality of the commonly used temperature measuring element and small quantity and high price of the precise temperature measuring element. The problem needs to be solved by unified related equipment for testing the dynamic characteristics of the temperature measuring element so as to increase the efficiency of testing the dynamic characteristics of the temperature measuring element, but no mature, unified and normalized standard equipment for testing the dynamic characteristics of the temperature measuring element exists at present.
In summary, in order to solve the problems and technical difficulties existing at present, the present invention aims to disclose a device for detecting dynamic characteristics of a temperature measurement element, so as to achieve the purposes of controlling the temperature measurement element to automatically eject, accurately detect and record the dynamic characteristics of the temperature measurement element.
Disclosure of Invention
The invention aims to automatically eject a temperature measuring element to detect the dynamic characteristic of the temperature measuring element, and provides a device for detecting the dynamic characteristic of the temperature measuring element.
The invention relates to a dynamic characteristic detection device of a temperature measuring element, which is realized by adopting the following technical scheme and mainly comprises a control system, an ejection mechanism and data acquisition and processing parts;
the control system comprises a microprocessor control panel and a driving motor which are connected with the base bracket, and a power indicator, a power switch, a starting switch, a reset switch and a display are arranged on the microprocessor control panel; the driving motor is arranged on the base support and is controlled by the microprocessor control panel to finish the automatic rotation of the ejection support; the constant temperature furnace is arranged on the base bracket;
the ejection mechanism comprises an ejection bracket, a push rod switch, a blocking clamp, an ejection spring, a baffle device, a clamp holder spring, a clamp holder, a wiring terminal and a blocking clamp spring; the ejection support is connected with the base support through a driving motor and a rotating shaft; the blocking clamp is arranged in the ejection bracket, and the microprocessor control panel controls the push rod switch to move up and down so as to control the blocking clamp to open and close and further control the automatic ejection of the temperature measuring element; the clamp holder is connected with the ejection spring, and when the blocking clamp is opened, the clamp holder is also opened by the clamp holder spring while being ejected by the ejection spring, so that the temperature measuring element and the binding post clamped by the clamp holder are ejected; the interior of the holder is hollow and is used for storing constant temperature liquid;
the data acquisition and processing device comprises a trigger connected with the ejection bracket and a microprocessor control panel connected with the base bracket; the trigger is connected with the microprocessor control panel; the microprocessor control board is used for collecting and processing signals transmitted by the trigger and the temperature measuring element.
The trigger, the binding post and the temperature measuring element signal wire are all made of heat-resistant materials; the temperature measuring element and the trigger are on the same plumb line, and the temperature measuring element is aligned to the central position of the trigger; the baffle device is arranged at the top of the holder, and the length of the baffle device is half of the falling height of the temperature measuring element;
according to different requirements, the dynamic characteristics of various temperature measuring elements under different temperature impacts are detected by changing the temperature measuring elements, replacing different types of constant temperature liquid and changing the temperature of the constant temperature furnace.
The invention has the positive effects that: the dynamic characteristic detection device of the temperature measuring element is adopted, so that the blank that no similar device exists in the market is filled; the device realizes the constant temperature environment maintenance before the ejection of the temperature measuring element and the automatic ejection of the temperature measuring element, and solves the problems that the free fall of the temperature measuring element is slow and cannot be controlled; meanwhile, aiming at the condition that the temperature measuring element falls into the thermostatic oven for timing by visual observation, the device provided by the invention detects whether the temperature measuring element falls into the thermostatic oven or not by using the trigger, and the temperature curve is acquired and processed by the microprocessor, so that the dynamic characteristic of the temperature measuring element is detected.
Drawings
FIG. 1 is a block diagram of the circuit configuration of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a schematic view of a terminal post in the construction of the present invention;
FIG. 4 is an internal schematic view of a terminal post in the construction of the present invention;
in the figure: 1. the temperature measuring device comprises an ejection support, 2 parts of a push rod switch, 3 parts of a blocking clamp, 4 parts of an ejection spring, 5 parts of a baffle device, 6 parts of a clamp spring, 7 parts of a clamp, 8 parts of a terminal, 9 parts of a temperature measuring element, 10 parts of a signal line, 11 parts of a trigger, 12 parts of a base support, 13 parts of a constant temperature furnace, 14 parts of a driving motor, 15 parts of a rotating shaft, 16 parts of a microprocessor control board, 17 parts of the blocking clamp spring, 18 parts of a base, 19 parts of a terminal housing, 20 parts of the temperature measuring element signal line, 21 parts of a conducting sheet, 22 parts of a conducting press sheet, 23 parts of an opening and closing device, 24 parts of a terminal upper housing, 25 parts of a terminal lower housing, 26 parts of a power indicator lamp, 27 parts of a power switch, 28 parts of a starting switch, 29 parts of a detection switch, 30 parts of a reset switch, 31 parts of a display and 32 parts of constant temperature liquid.
Detailed Description
The following examples describe specific embodiments of the present invention, but it should be understood by those skilled in the art that these are merely examples and the scope of the present invention is defined by the appended claims, and those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and spirit of the present invention, and these changes and modifications fall within the scope of the present invention.
Example 1
As shown in fig. 1, 2, 3, and 4: the invention relates to a dynamic characteristic detection device of a temperature measuring element, which mainly comprises a control system, an ejection mechanism and data acquisition and processing.
The control system comprises a microprocessor control board 16 and a driving motor 14 which are connected with the base bracket 12, wherein a power indicator lamp 26, a power switch 27, a starting switch 28, a detection switch 29, a reset switch 30 and a display 31 are arranged on the microprocessor control board 16; the driving motor 14 is arranged on the base bracket 12 and is controlled by the microprocessor control board 16 to complete the automatic rotation of the ejection bracket 1; the thermostatic oven 13 is mounted on the base frame 12.
The ejection mechanism comprises an ejection bracket 1, a push rod switch 2, a blocking clamp 3, an ejection spring 4, a baffle device 5, a clamp spring 6, a clamp 7, a binding post 8 and a blocking clamp spring 17; the ejection bracket 1 is connected with the base bracket 12 through a driving motor 14 and a rotating shaft 15; the blocking clamp 3 is arranged in the ejection bracket, and the microprocessor control board 16 controls the push rod switch 2 to move up and down so as to control the blocking clamp 3 to be opened and closed and further control the temperature measuring element 9 to be automatically ejected; the clamper 7 is connected with the ejection spring 4, when the blocking clamp 3 is opened, the clamper 7 is ejected by the ejection spring 4, and the clamper 7 is also opened by the clamper spring 6, so that the temperature measuring element 9 and the binding post 8 clamped by the clamper 7 are ejected; the holder 7 is hollow to store a constant temperature liquid 32.
The data acquisition and processing device comprises a trigger 11 connected with the ejection bracket 1 and a microprocessor control board 16 connected with the base bracket 12; the trigger 11 is connected with the microprocessor control board 16; the microprocessor control board 16 is used for collecting and processing signals transmitted by the trigger 11 and the temperature measuring element 9.
According to different requirements, the dynamic characteristics of the temperature measuring elements 9 at different temperatures are detected by changing the temperature measuring elements 9, replacing different types of constant temperature liquids 32 and changing the temperature of the constant temperature furnace 13.
As shown in fig. 2: the baffle device 5 is arranged at the top of the holder 7, and the length of the baffle device is half of the falling height of the temperature measuring element 9; the trigger 11 is made of high-temperature-resistant materials, the temperature measuring element 9 and the trigger 11 are on the same vertical line, the temperature measuring element 9 is aligned to the center of the trigger 11, and the temperature measuring element 9 is prevented from colliding with the trigger 11 in the falling process, so that accurate triggering of the trigger 11 is guaranteed.
As shown in fig. 3: the terminal shell 19 and the temperature measuring element signal wire 20 are both made of heat-resistant materials.
As shown in fig. 4: the terminal upper shell 24 is connected with the terminal lower shell 25 through the opening and closing device 23, the conducting sheet 21 and the conducting pressing sheet 22 fix the temperature measuring element 9 in a buckling mode, and signals of the temperature measuring element 9 are conducted to the microprocessor control board 16.
The working conditions were as follows:
the power switch 27 is turned on, the power indicator lamp 26 emits light, the corresponding temperature measuring element 9 and the thermostatic liquid 32 are replaced according to the test requirements, the temperature measuring element 9 is connected with the binding post 8, the temperature measuring element 9 and the binding post 8 are clamped by the clamp holder 7, then the clamp holder 7 is installed in the blocking clamp 3, the temperature of the thermostatic oven 13 is adjusted according to the test requirements, after the temperature of the thermostatic oven 13 stably meets the test requirements, the starting switch 28 is turned on, the driving motor 14 starts working, the blocking clamp 3 is turned on after the ejection support 1 is rotated to the stable starting position, the temperature measuring element 9 and the binding post 8 are ejected and fall into the thermostatic oven 3, the trigger 11 transmits a trigger signal to the microprocessor control board 16 at the moment when the temperature measuring element 9 passes through, the temperature measuring element 9 transmits the temperature signal measured in the thermostatic oven 13 to the microprocessor control board 16, the detection switch 29 is pressed down, the microprocessor control board 16 processes the collected data to obtain the dynamic characteristics of the temperature measuring element 9 and displays the dynamic characteristics on the display 31, the temperature measuring element 9 is lifted, the reset switch 30 is pressed, the driving motor 14 starts to work, the ejection support 1 is rotated to the end position and is stabilized, the power switch 27 is turned off, the power indicator lamp 26 is turned off, and the test is ended.
In conclusion, the device realizes the constant temperature environment maintenance and the automatic ejection of the temperature measuring element before the ejection of the temperature measuring element, and solves the problems that the free fall of the temperature measuring element is slow and cannot be controlled; meanwhile, aiming at the condition that the temperature measuring element falls into the thermostatic oven for timing by visual observation, the device provided by the invention detects whether the temperature measuring element falls into the thermostatic oven or not by using the trigger, and the temperature curve is acquired and processed by the microprocessor, so that the dynamic characteristic of the temperature measuring element is detected.
Claims (5)
1. A temperature measuring element dynamic characteristic detection device is characterized by comprising a control system, an ejection mechanism and a data acquisition and processing part;
the control system comprises a microprocessor control panel and a driving motor which are connected with the base bracket, and a power indicator, a power switch, a starting switch, a detection switch, a reset switch and a display are arranged on the microprocessor control panel; the driving motor is arranged on the base support and is controlled by the microprocessor control panel to finish the automatic rotation of the ejection support; the constant temperature furnace is arranged on the base bracket;
the ejection mechanism comprises an ejection bracket, a push rod switch, a blocking clamp, an ejection spring, a baffle device, a clamp holder spring, a clamp holder, a wiring terminal and a blocking clamp spring; the ejection support is connected with the base support through a driving motor and a rotating shaft; the ejection machine is arranged in the ejection bracket, and the microprocessor control panel controls the push rod switch to move up and down so as to control the blocking clamp to open and close and further control the automatic ejection of the temperature measuring element; the clamp holder is connected with the ejection spring, and when the blocking clamp is opened, the clamp holder is also opened by the clamp holder spring while being ejected by the ejection spring, so that the temperature measuring element and the binding post clamped by the clamp holder are ejected; the interior of the holder is hollow and is used for storing constant temperature liquid;
the data acquisition and processing device comprises a trigger connected with the ejection bracket and a microprocessor control panel connected with the base bracket; the trigger is connected with the microprocessor control panel; the microprocessor control board is used for collecting and processing signals transmitted by the trigger and the temperature measuring element.
2. The device for detecting the dynamic characteristics of a temperature measuring element according to claim 1, wherein: the clamp holder is connected with the ejection spring, the spring is arranged between clamp plates of the clamp holder, and the clamp plates of the clamp holder are hollow.
3. The device for detecting the dynamic characteristics of a temperature measuring element according to claim 1, wherein: the push rod switch is conical in shape and used for controlling the blocking clamp to open and close.
4. The device for detecting the dynamic characteristics of a temperature measuring element according to claim 1, wherein: the baffle device is arranged at the top of the clamp holder, and the length of the baffle device is half of the falling height of the temperature measuring element.
5. The device for detecting the dynamic characteristics of a temperature measuring element according to claim 1, wherein: the trigger, the binding post and the temperature measuring element signal wire are all made of heat-resistant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120872694.3U CN214583740U (en) | 2021-04-26 | 2021-04-26 | Dynamic characteristic detection device for temperature measuring element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120872694.3U CN214583740U (en) | 2021-04-26 | 2021-04-26 | Dynamic characteristic detection device for temperature measuring element |
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| Publication Number | Publication Date |
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| CN214583740U true CN214583740U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120872694.3U Expired - Fee Related CN214583740U (en) | 2021-04-26 | 2021-04-26 | Dynamic characteristic detection device for temperature measuring element |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945421A (en) * | 2021-04-26 | 2021-06-11 | 哈尔滨理工大学 | Dynamic characteristic detection device for temperature measuring element |
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2021
- 2021-04-26 CN CN202120872694.3U patent/CN214583740U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945421A (en) * | 2021-04-26 | 2021-06-11 | 哈尔滨理工大学 | Dynamic characteristic detection device for temperature measuring element |
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