CN214096393U - Thermocouple automatic lifting device - Google Patents
Thermocouple automatic lifting device Download PDFInfo
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- CN214096393U CN214096393U CN202022982737.1U CN202022982737U CN214096393U CN 214096393 U CN214096393 U CN 214096393U CN 202022982737 U CN202022982737 U CN 202022982737U CN 214096393 U CN214096393 U CN 214096393U
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- thermocouple
- temperature controller
- displacement mechanism
- lifting device
- clamping arm
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Abstract
The utility model relates to a thermocouple protection technical field, concretely relates to thermocouple automatic lifting device. The device includes: the thermocouple, the lifting displacement mechanism, the temperature controller and the thermocouple fixing mechanism; wherein, the temperature controller is respectively and electrically connected with the control end of the lifting displacement mechanism and the thermocouple; the mechanism fixed end of the thermocouple fixing mechanism is connected with the moving end of the lifting displacement mechanism; the thermocouple fixing end of the thermocouple fixing mechanism is connected with a thermocouple. The utility model discloses when using, set up one through temperature controller and set for the temperature, when the detection temperature of thermocouple reachd this settlement temperature, temperature controller just controlled lift displacement mechanism with the thermocouple lifting, kept away from the sample to protect the thermocouple effectively in the sample ignition is experimental.
Description
Technical Field
The utility model relates to a thermocouple protection technical field, concretely relates to thermocouple automatic lifting device.
Background
In conducting ignition tests on samples such as activated carbon, thermocouples are required to record the material temperature throughout the process. The detection temperature of a common K-type thermocouple is 0-900 ℃, while the activated carbon can be instantly ignited when reaching an ignition point, the detection temperature of the thermocouple above a sample can reach more than 1000 ℃ instantly, and if the K-type thermocouple is in the high-temperature environment for a long time, the thermocouple can be damaged due to long-time high-temperature ignition.
Therefore, how to effectively protect the thermocouple in the sample ignition point test is a technical problem which needs to be solved at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a thermocouple automatic lifting device to effectively protect the thermocouple in the sample ignition point test.
In order to achieve the above object, an embodiment of the present invention provides a thermocouple automatic lifting device, including: the thermocouple, the lifting displacement mechanism, the temperature controller and the thermocouple fixing mechanism;
the temperature controller is respectively and electrically connected with the control end of the lifting displacement mechanism and the thermocouple;
the mechanism fixed end of the thermocouple fixing mechanism is connected with the moving end of the lifting displacement mechanism; and the thermocouple fixing end of the thermocouple fixing mechanism is connected with the thermocouple.
In one possible embodiment, the thermocouple fixing end of the thermocouple fixing mechanism is a clamping assembly.
In one possible embodiment, the clamping assembly includes a first clamp arm, a second clamp arm, and a clamp arm locking mechanism;
the fixed end of the first clamping arm and the fixed end of the second clamping arm are both connected with the mechanism fixed end of the thermocouple fixing mechanism;
the first clamping arm and the second clamping arm both penetrate through the locking adjusting part of the clamping arm locking mechanism;
the first clamping arm is provided with a first clamping part, and the second clamping arm is provided with a second clamping part.
In one possible embodiment, the lifting displacement mechanism is an electric push rod, a cylinder displacement mechanism or a ball screw displacement mechanism.
In one possible embodiment, the ball screw displacement mechanism includes a stepping motor, a slider, a guide rail, a ball screw, and a shaft connector;
the sliding block is arranged on the guide rail in a sliding manner;
an output shaft of the stepping motor is connected with the ball screw through the shaft connector;
the ball screw is fixedly connected with the sliding block;
the fixed end of the sliding block is the moving end of the lifting displacement mechanism.
In a possible embodiment, the guide rail is further provided with an upper limit block and a lower limit block.
In a possible embodiment, the guide rail is further provided with an upper position switch and a lower position switch; the temperature controller is also electrically connected with the upper position switch and the lower position switch respectively.
In a possible embodiment, further comprising: a buzzer; the temperature controller is also electrically connected with the buzzer.
In one possible embodiment, the temperature controller is a CH702 type temperature controller.
In a possible embodiment, the buzzer is a piezoelectric buzzer.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model comprises a thermocouple, a lifting displacement mechanism, a temperature controller and a thermocouple fixing mechanism; wherein, the temperature controller is respectively and electrically connected with the control end of the lifting displacement mechanism and the thermocouple; the mechanism fixed end of the thermocouple fixing mechanism is connected with the moving end of the lifting displacement mechanism; the thermocouple fixing end of the thermocouple fixing mechanism is connected with a thermocouple. The utility model discloses when using, set up one through temperature controller and set for the temperature, when the detection temperature of thermocouple reachd this settlement temperature, temperature controller just controlled lift displacement mechanism with the thermocouple lifting, kept away from the sample to protect the thermocouple effectively in the sample ignition is experimental.
Drawings
In order to more clearly illustrate the embodiments of the present specification or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present specification, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an automatic thermocouple lifting device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an elevating displacement mechanism according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a thermocouple fixing mechanism according to an embodiment of the present invention.
Description of reference numerals: the thermocouple clamping device comprises a thermocouple 1, a lifting displacement mechanism 2, a stepping motor 21, a sliding block 22, a guide rail 23, a ball screw 24, a shaft connector 25, a temperature controller 3, a thermocouple fixing mechanism 4, a mechanism fixing end 41 of the thermocouple fixing mechanism, a first clamping arm 42, a second clamping arm 43, a clamping arm locking mechanism 44, a first clamping part 45 and a second clamping part 46.
Detailed Description
The technical solution 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, rather than all embodiments, and all other embodiments obtained by those skilled in the art based on the embodiments of the present invention belong to the protection scope of the embodiments of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of the device, which specifically includes: thermocouple, lift displacement mechanism, temperature controller and thermocouple fixed establishment. Wherein, the temperature controller is respectively and electrically connected with the control end of the lifting displacement mechanism and the thermocouple; the mechanism fixed end of the thermocouple fixing mechanism is connected with the moving end of the lifting displacement mechanism; the thermocouple fixing end of the thermocouple fixing mechanism is connected with a thermocouple.
The temperature controller comprises a controller (such as a single chip microcomputer, a Micro Control Unit (MCU) and the like) and a control switch, and can control the on-off of the control switch through the controller according to the size relation between the detected temperature and the set temperature so as to control an external circuit. Preferably, a CH702 type temperature controller is used as the temperature controller in this embodiment.
The thermocouple is usually of a two-wire system, that is, the thermocouple is connected with two connecting wires from the detection component, wherein one connecting wire is used as a forward output end, and the other connecting wire is used as a reverse output end, and the two connecting wires are respectively connected to the temperature acquisition input end of the temperature controller.
The lifting displacement mechanism can generate lifting displacement under the control of the temperature controller so as to drive the thermocouple to lift, and specifically can be an electric push rod, an air cylinder displacement mechanism or a ball screw displacement mechanism as the lifting displacement mechanism.
The working principle is as follows:
the temperature controller is used for firstly setting the set temperature (SV) of the temperature controller, then continuously collecting the detected temperature (PV) detected by the thermocouple, and when the detected temperature exceeds the set temperature, the temperature controller starts the lifting displacement mechanism to control the lifting displacement mechanism to lift the thermocouple away from the sample, so that the thermocouple is effectively protected in the sample ignition point test.
If the lifting displacement mechanism is an electric push rod, the fixed end of the electric push rod is fixed on the support, the moving end of the electric push rod fixes the thermocouple through the thermocouple fixing mechanism, the temperature controller is in control connection with the control end of the electric push rod, and the temperature controller controls the lifting distance and time of the thermocouple by controlling the working time of the electric push rod.
If the lifting displacement mechanism is an air cylinder displacement mechanism, the fixed end of the air cylinder displacement mechanism is fixed on the support, the moving end of the air cylinder displacement mechanism fixes the thermocouple through the thermocouple fixing mechanism, the temperature controller is in control connection with the air valve control end of the air cylinder displacement mechanism, and the temperature controller controls the lifting distance and time of the thermocouple by controlling the air inflation amount of the air cylinder displacement mechanism.
If the elevation displacement mechanism is a ball screw displacement mechanism, as shown in fig. 2, the elevation displacement mechanism according to this embodiment is schematically configured, where the ball screw displacement mechanism includes a stepping motor, a slider, a guide rail, a ball screw, and a shaft connector; the sliding block is arranged on the guide rail in a sliding manner; the stepping motor is fixed on the guide rail; an output shaft of the stepping motor is connected with a ball screw through a shaft connector; the ball screw is fixedly connected with the sliding block; the fixed end of the slide block is the moving end of the lifting displacement mechanism.
The stepping motor is provided with a drive control panel, the temperature controller is connected with the control end of the drive control panel, and the drive end of the drive control panel is connected with the stepping motor, so that the temperature controller controls the stepping motor to work.
The drive control board is provided with a plurality of stepping positions, so that the rotating speed of the stepping motor can be adjusted, and the adjustment and control of the moving speed of the thermocouple can be realized.
In order to avoid the thermocouple when carrying out lift movement, the condition that the transition removed appears, causes equipment to damage, the utility model provides a two kinds of spacing schemes.
One is that an upper limit block and a lower limit block are arranged on the guide rail, and the limit of the lifting range of the thermocouple is realized through the physical blocking of the upper limit block and the lower limit block.
And the other is that an upper position switch and a lower position switch are arranged on the guide rail, the temperature controller is also respectively and electrically connected with the upper position switch and the lower position switch, and the limit of the lifting range of the thermocouple is realized through the upper position switch and the lower position switch.
In order to improve the efficiency of installing the thermocouple to the thermocouple fixing mechanism, preferably, the thermocouple fixing end of the thermocouple fixing mechanism is a clamping component, so that the thermocouple is convenient to disassemble and assemble.
As shown in fig. 3, which is a schematic structural diagram of a thermocouple fixing mechanism provided in this embodiment, the clamping assembly includes a first clamping arm, a second clamping arm, and a clamping arm locking mechanism; the fixed end of the first clamping arm and the fixed end of the second clamping arm are both connected with the mechanism fixed end of the thermocouple fixing mechanism; the first clamping arm and the second clamping arm both penetrate through the locking adjusting part of the clamping arm locking mechanism; the first clamping arm is provided with a first clamping part, and the second clamping arm is provided with a second clamping part.
First clamping part and second clamping part are half-circular arc, and the top of thermocouple is equipped with the recess, and the size of first clamping part and second clamping part cooperatees with this recess for after arm lock locking mechanism reduced the distance between first arm lock and the second arm lock, first clamping part and second clamping part can firmly be cliied the thermocouple.
In order to remind staff on every side under emergency, the utility model discloses still be equipped with bee calling organ, this bee calling organ is connected with temperature controller to under temperature controller's control, trigger bee calling organ work.
Preferably, the buzzer is a piezoelectric buzzer.
The embodiment of the utility model provides an in the technical scheme who provides, following technological effect or advantage have at least:
the embodiment of the utility model comprises a thermocouple, a lifting displacement mechanism, a temperature controller and a thermocouple fixing mechanism; wherein, the temperature controller is respectively and electrically connected with the control end of the lifting displacement mechanism and the thermocouple; the mechanism fixed end of the thermocouple fixing mechanism is connected with the moving end of the lifting displacement mechanism; the thermocouple fixing end of the thermocouple fixing mechanism is connected with a thermocouple. The embodiment of the utility model provides a when using, set up one through temperature controller and set for the temperature, when the detection temperature of thermocouple reachs this settlement temperature, temperature controller just controls lift displacement mechanism with the thermocouple lifting, keeps away from the sample to protect the thermocouple effectively in the sample ignition point is experimental.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An automatic thermocouple lifting device, comprising: the thermocouple, the lifting displacement mechanism, the temperature controller and the thermocouple fixing mechanism;
the temperature controller is respectively and electrically connected with the control end of the lifting displacement mechanism and the thermocouple;
the mechanism fixed end of the thermocouple fixing mechanism is connected with the moving end of the lifting displacement mechanism; and the thermocouple fixing end of the thermocouple fixing mechanism is connected with the thermocouple.
2. The thermocouple automatic lifting device according to claim 1, wherein the thermocouple fixing end of the thermocouple fixing mechanism is a clamping assembly.
3. The thermocouple automatic lifting device according to claim 2, wherein the clamping assembly comprises a first clamping arm, a second clamping arm and a clamping arm locking mechanism;
the fixed end of the first clamping arm and the fixed end of the second clamping arm are both connected with the mechanism fixed end of the thermocouple fixing mechanism;
the first clamping arm and the second clamping arm both penetrate through the locking adjusting part of the clamping arm locking mechanism;
the first clamping arm is provided with a first clamping part, and the second clamping arm is provided with a second clamping part.
4. The thermocouple automatic lifting device according to claim 1, wherein the elevation displacement mechanism is an electric push rod, a cylinder displacement mechanism or a ball screw displacement mechanism.
5. The thermocouple automatic lifting device according to claim 4, wherein the ball screw displacement mechanism comprises a stepping motor, a slider, a guide rail, a ball screw, and a shaft connector;
the sliding block is arranged on the guide rail in a sliding manner; the stepping motor is fixed on the guide rail;
an output shaft of the stepping motor is connected with the ball screw through the shaft connector;
the ball screw is fixedly connected with the sliding block;
the fixed end of the sliding block is the moving end of the lifting displacement mechanism.
6. The thermocouple automatic lifting device according to claim 5, wherein an upper limit block and a lower limit block are further provided on the guide rail.
7. The thermocouple automatic lifting device according to claim 6, wherein an upper position switch and a lower position switch are further provided on the guide rail; the temperature controller is also electrically connected with the upper position switch and the lower position switch respectively.
8. The thermocouple automatic lifting device according to claim 1, further comprising: a buzzer; the temperature controller is also electrically connected with the buzzer.
9. The thermocouple automatic lifting device according to claim 1, wherein the temperature controller is a CH702 type temperature controller.
10. The thermocouple automatic lifting device according to claim 8, wherein the buzzer is a piezoelectric buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022982737.1U CN214096393U (en) | 2020-12-11 | 2020-12-11 | Thermocouple automatic lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022982737.1U CN214096393U (en) | 2020-12-11 | 2020-12-11 | Thermocouple automatic lifting device |
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| CN214096393U true CN214096393U (en) | 2021-08-31 |
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| CN202022982737.1U Active CN214096393U (en) | 2020-12-11 | 2020-12-11 | Thermocouple automatic lifting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115161719A (en) * | 2022-07-25 | 2022-10-11 | 桂林智工科技有限责任公司 | Automatic quick temperature measuring device of electrolysis trough high temperature |
| CN115406931A (en) * | 2022-11-01 | 2022-11-29 | 成都理工大学 | High-temperature heat pipe heat transfer limit experimental device and method with convenient temperature measurement box |
-
2020
- 2020-12-11 CN CN202022982737.1U patent/CN214096393U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115161719A (en) * | 2022-07-25 | 2022-10-11 | 桂林智工科技有限责任公司 | Automatic quick temperature measuring device of electrolysis trough high temperature |
| CN115406931A (en) * | 2022-11-01 | 2022-11-29 | 成都理工大学 | High-temperature heat pipe heat transfer limit experimental device and method with convenient temperature measurement box |
| US11892380B1 (en) | 2022-11-01 | 2024-02-06 | Chengdu University Of Technology | Heat transfer limit experimental device of high-temperature heat pipe equipped with convenient temperature measurement box and method |
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