WO2018188307A1

WO2018188307A1 - Progression-type automatic filtering detection device for liquid temperature

Info

Publication number: WO2018188307A1
Application number: PCT/CN2017/107219
Authority: WO
Inventors: 徐静
Original assignee: 苏州睿绮电子有限公司
Priority date: 2017-04-10
Filing date: 2017-10-23
Publication date: 2018-10-18
Also published as: CN106940229A

Abstract

Disclosed is a progression-type automatic filtering detection device for liquid temperature. With regard to an existing thermometer, an electrically controlled temperature-maintaining device for automatic intelligent filtering detection is introduced, wherein, based on a timing circuit (12), and by means of a designed miniature rotating electric motor (11) and cooperation with the friction between an outer glass tube wall of a thermometer (1) and a rubber sleeve (10), the thermometer (1) is made to automatically move up and down in a designed sliding sleeve (2); and on the basis of a first heat conduction sheet (3) and a second heat conduction sheet (15) respectively being in contact with a thermometer bulb, a bulb temperature is obtained by means of detection by a temperature sensor (7), and heat preservation is carried out on the bulb of the thermometer (1) by means of a specifically designed electric heating device (6), allowing the thermometer (1) to maintain the detected temperature. The periodic application of the above allows each instance of temperature measurement to be carried out on the basis of the previous temperature measurement result, and can effectively improve the accuracy and efficiency of periodic temperature measurement.

Description

Progressive liquid temperature automatic filtering detecting device

Technical field

The invention relates to a progressive liquid temperature automatic filtering detecting device, belonging to the technical field of liquid temperature detecting.

Background technique

Temperature detection is the most common type of data detection. It is used to obtain the temperature of the object under test. The existing temperature detection is mostly detected by a thermometer, and with the development of smart life and the life of the object, the temperature is detected by the sensor. It has also been gradually promoted. In addition, it is the temperature detection in the laboratory. In order to ensure the accuracy of the data, the temperature measurement in the laboratory still uses a thermometer, but in the actual laboratory application process, there are still inadequacies and inconveniences. It is well known that the experimental data of the laboratory is in the process of constant change, and the scientific data is being explored in the ever-changing experimental data. The process of changing the experimental data is also the data required by the laboratory, but some of the existing thermometers. The specific structure determines its use, and there are still errors. For example, the cycle measures the temperature of the water during the heating process. After each thermometer is used for temperature measurement, the thermometer is taken out of the water and waits for the next cycle to measure the temperature. In the waiting process, the thermometer will be affected by the temperature of the environment. If it changes, it will reach the next cycle time. When the thermometer is placed in the water again, the temperature measured by the thermometer will change from the ambient temperature, which will affect the temperature measurement efficiency and affect the other. To the temperature measurement accuracy.

Summary of the invention

The technical problem to be solved by the invention is to provide a progressive liquid temperature automatic filtering detecting device capable of effectively improving the accuracy and efficiency of the cycle temperature measurement based on the existing thermometer and introducing an automatic intelligent filtering detecting electric control heat preservation device.

The present invention adopts the following technical solution in order to solve the above technical problem: the present invention designs a progressive liquid temperature automatic filtering detecting device, including a thermometer, a sliding sleeve, a first thermal conductive sheet, a clip, an L-shaped rod, a rubber sleeve, and a temperature. a sensor, a second heat conducting sheet and a control module, and a power source, an electric heating device, a micro rotating motor, a timing circuit, and a filter circuit respectively connected to the control module; the temperature sensor is connected to the control module through the filter circuit; wherein the power source is controlled The module supplies power to the electric heating device, the micro-rotating motor and the timing circuit respectively. At the same time, the power supply sequentially supplies power to the temperature sensor through the control module and the filter circuit; the end of one of the L-shaped rods is fixedly connected with the side of the sliding sleeve. The L-shaped rod is perpendicular to the center line of the sliding sleeve, and the other end of the L-shaped rod is connected to the clip; the sliding sleeve is open at both ends and penetrates each other, and the inner diameter of the sliding sleeve and the glass tube on the thermometer The outer diameter is adapted, and the inner diameter of the sliding sleeve is smaller than the outer diameter of the bubble on the thermometer, and the sliding sleeve is movable. The control module, the power supply, the timing circuit and the filter circuit are fixedly disposed on the outer side surface of the sliding sleeve; the filter circuit comprises an op amp A1, a first resistor R1, a second resistor R2, and a first capacitor. C1 and a second capacitor C2, wherein the input end of the filter circuit sequentially connects the first capacitor C1 and the second capacitor C2 to the forward input end of the op amp A1, and at the same time, the input end of the filter circuit is connected with the temperature sensor, and the op amp The forward input end of the device A1 is connected in series with the second resistor R2 and grounded; one end of the first resistor R1 is connected between the first capacitor C1 and the second capacitor C2, and the other end of the first resistor R1 is respectively connected to the amplifier A1. The inverting input end and the output end are connected, and the output end of the op amp A1 is connected to the output end of the filter circuit, and the output end of the filter circuit is connected with the control module; the rubber sleeve is fixedly connected to the rotating rod of the micro rotating motor The top end, the micro-rotating motor is fixedly connected to the sliding sleeve through the bracket, the rotating rod of the micro-rotating motor is perpendicular to the glass tube on the thermometer, and the rubber sleeve is in contact with the outer wall of the glass tube on the thermometer, in the micro Rotating motor driven rotating lever the rubber sleeve is rotated during the glass-based thermometer The friction between the outer wall of the tube and the rubber sleeve causes the glass tube of the thermometer to move up and down in the sliding sleeve; the electric heating device is fixedly disposed at the bottom of the outer side of the sliding sleeve, and the electric heating device comprises a heater body, an electrically controlled sliding rheostat, Capacitor C, resistor, bidirectional trigger diode and triac; wherein one end of the heater body is connected via the power supply positive pole of the control module, and the other end of the heater body is respectively connected with one end of the resistance wire in the electronically controlled sliding rheostat One terminal of the two-way thyristor is connected; the other end of the resistance wire in the electronically controlled sliding varistor is respectively connected with one end of the capacitor, one end of the resistor, one end of the bidirectional trigger diode; the other end of the capacitor and the other end of the resistor The other terminal of the triac is connected and connected to the negative pole of the power supply via the control module; the other end of the bidirectional trigger diode is connected with the gate end of the triac; the control module and the electric The sliding end of the sliding varistor is connected; the first heat conducting piece is fixedly connected with the heater body in the electric heating device, The height position of a heat conducting sheet is lower than the height position of the electric heating device, and when the sliding sleeve is located at the bottom end of the glass tube on the thermometer, the first heat conducting sheet is in contact with the bubble on the thermometer; the temperature sensor is fixedly disposed at the bottom of the outer side of the sliding sleeve The second heat conducting piece is fixedly connected with the detecting end of the temperature sensor, the height position of the second heat conducting piece is lower than the height position of the temperature sensor, and the sliding sleeve is located at the bottom end of the glass tube of the thermometer, and the second heat conducting sheet and the bubble on the thermometer Contact.

As a preferred technical solution of the present invention, the micro-rotary motor is a micro-brushless rotating motor.

As a preferred technical solution of the present invention, the first thermal conductive sheet is a first copper thermal conductive sheet; and the second thermal conductive sheet is a second copper thermal conductive sheet.

As a preferred technical solution of the present invention, the control module is a microprocessor.

As a preferred technical solution of the present invention, the microprocessor is an ARM processor.

As a preferred technical solution of the present invention, the power source is a button battery.

The progressive liquid temperature automatic filtering detecting device of the present invention has the following technical effects compared with the prior art by using the above technical solution:

(1) The progressive liquid temperature automatic filtering detecting device designed by the invention introduces an automatic intelligent filtering detecting electric control heat preservation device for the existing thermometer, wherein, based on the timing circuit, the micro-rotating motor is designed to cooperate with the outer wall of the thermometer glass tube The friction between the rubber sleeve and the rubber sleeve causes the thermometer to automatically move up and down in the design sliding sleeve, and the bubble temperature is obtained by the temperature sensor detection on the basis that the first thermal conductive sheet and the second thermal conductive sheet are respectively in contact with the thermometer bubble. The thermometer bubble is insulated by a specially designed electric heating device, so that the thermometer is maintained at the detected temperature. In such a cycle, the thermometer can be automatically controlled to maintain the temperature of the last temperature measurement, so that each temperature measurement is Temperature measurement based on the last temperature measurement result, effectively avoiding the influence of ambient temperature on the temperature measurement data, and effectively improving the accuracy and efficiency of the cycle temperature measurement;

(2) In the progressive liquid temperature automatic filtering detecting device designed by the invention, the micro-rotary motor is further designed to adopt a micro-brushless rotating motor, so that the progressive liquid temperature automatic filtering detecting device designed by the invention is in actual use. It can realize silent work, which not only ensures that the designed progressive liquid temperature automatic filter detection device has high-efficiency periodic automatic liquid temperature detection efficiency, and can ensure that its working process does not affect the surrounding environment, and embodies the humanized design in the design process. ;

(3) In the progressive liquid temperature automatic filtering detecting device designed by the present invention, the first copper thermal conductive sheet is further designed for the first thermal conductive sheet, and the second copper thermal conductive sheet is further designed for the second thermal conductive sheet. Therefore, based on the automatic detection and electronic control structure design, the temperature detection and control for the thermometer bubble can be accurately realized, thereby further ensuring the progressive design. The measurement accuracy of the liquid temperature automatic filtering detection device in practical applications;

(4) In the progressive liquid temperature automatic filtering detection device designed by the invention, the microprocessor is further designed and used for the control module, and the ARM processor is specifically designed, which can be applied to the progressive liquid designed for the later stage. The expansion of the automatic filtering detection device, on the other hand, the simple control architecture mode can facilitate later maintenance;

(5) In the progressive liquid temperature automatic filtering detecting device designed by the invention, the button battery is further designed for the power source, and the button battery has the advantages of small volume, and effectively controls the occupied volume of the designed intelligent electronic control heat preservation device. Moreover, the stability of the electric and power consumption of the intelligent electronic control heat preservation device is ensured, and the stability of the designed progressive liquid temperature automatic filter detection device in practical application can be effectively improved.

DRAWINGS

1 is a schematic structural view of a progressive liquid temperature automatic filtering detecting device designed by the present invention.

Among them, 1. thermometer, 2. sliding sleeve, 3. first thermal pad, 4. control module, 5. power supply, 6. electric heating device, 7. temperature sensor, 8. clip, 9. L-shaped rod, 10 . Rubber sleeve, 11. Micro-rotary motor, 12. Timing circuit, 13. Bracket, 14. Filter circuit, 15. Second thermal pad.

detailed description

The specific embodiments of the present invention are further described in detail below with reference to the accompanying drawings.

As shown in FIG. 1, the present invention designs a progressive liquid temperature automatic filtering detecting device, comprising a thermometer 1, a sliding sleeve 2, a first heat conducting sheet 3, a clip 8, an L-shaped rod 9, a rubber sleeve 10, and a temperature. a sensor 7, a second thermal conductive sheet 15 and a control module 4, and a power supply 5, an electric heating device 6, a micro-rotary motor 11, a timing circuit 12, a filter circuit 14, respectively connected to the control module 4; The temperature sensor 7 is connected to the control module 4 via the filter circuit 14; wherein, the power source 5 supplies power to the electric heating device 6, the micro-rotary motor 11, and the timing circuit 12 through the control module 4, and the power source 5 passes through the control module 4 in sequence. The filter circuit 14 supplies power to the temperature sensor 7; one end of the L-shaped rod 9 is fixedly connected to the side of the sliding sleeve 2, and the L-shaped rod 9 is perpendicular to the center line of the sliding sleeve 5, and the L-shaped rod The other end of the upper side of the 9 is connected with the clip 8; the sliding sleeve 2 is open at both ends and penetrates each other, the inner diameter of the sliding sleeve 2 is adapted to the outer diameter of the glass tube on the thermometer 1, and the inner diameter of the sliding sleeve 2 Less than the outer diameter of the bubble on the thermometer 1, the sliding sleeve 2 is sleeved on the glass tube of the thermometer 1; the control module 4, the power source 5, the timing circuit 12 and the filter circuit 14 are fixedly disposed on the outer side of the sliding sleeve 2; The circuit 14 includes an op amp A1, a first resistor R1, a second resistor R2, a first capacitor C1, and a second capacitor C2. The input terminal of the filter circuit 14 sequentially connects the first capacitor C1 and the second capacitor C2 to the op amp. A1's positive input, while The input end of the filter circuit 14 is connected to the temperature sensor 7, and the forward input end of the amplifier A1 is connected in series with the second resistor R2 and grounded; one end of the first resistor R1 is connected between the first capacitor C1 and the second capacitor C2. The other end of the first resistor R1 is respectively connected to the inverting input end and the output end of the op amp A1. Meanwhile, the output end of the op amp A1 is connected to the output end of the filter circuit 14, and the output end of the filter circuit 14 is connected. Connected to the control module 4; the rubber sleeve 10 is fixedly connected to the top end of the rotating rod of the micro-rotary motor 11, and the micro-rotary motor 11 is fixedly connected to the sliding sleeve 2 through the bracket 13, the rotating rod of the micro-rotating motor 11 and the glass on the thermometer 1 The tube phase is vertical, and the rubber sleeve 10 is in contact with the outer wall of the glass tube on the thermometer 1. During the rotation of the micro-rotary motor 11 to rotate the rubber sleeve 10, the friction between the outer wall of the glass tube and the rubber sleeve 10 is made based on the friction of the thermometer 1 The glass tube of the thermometer 1 moves up and down in the sliding sleeve 2; the electric heating device 6 is fixedly disposed at the bottom of the outer side of the sliding sleeve 2, and the electric heating device 6 includes a heater body and electricity. a sliding varistor, a capacitor C, a resistor, a bidirectional trigger diode and a triac; wherein one end of the heater body is connected to the positive pole of the power supply via the control module 4, and the other end of the heater body is respectively connected to the resistor in the electronically controlled sliding varistor One end of the wire and one terminal of the triac are connected; the other end of the resistance wire in the electronically controlled sliding rheostat is respectively connected with one end of the capacitor, one end of the resistor, one end of the bidirectional trigger diode; the other end of the capacitor The other end of the resistor, the other terminal of the triac is connected, and is connected with the negative pole of the power supply via the control module 4; the other end of the bidirectional trigger diode is connected with the gate end of the triac The control module 4 is connected to the sliding end of the electronically controlled sliding varistor; the first thermal conductive sheet 3 is fixedly connected to the heater body in the electric heating device 6, and the height position of the first thermal conductive sheet 3 is lower than that of the electric heating device 6 In the height position, when the sliding sleeve 2 is located at the bottom end of the glass tube on the thermometer 1, the first heat conducting sheet 3 is in contact with the bubble on the thermometer 1; the temperature sensor 7 is fixed The second heat conducting sheet 15 is fixedly connected to the detecting end of the temperature sensor 7, and the height position of the second heat conducting sheet 15 is lower than the height position of the temperature sensor 7, and the sliding sleeve 2 is located at the thermometer. When the bottom end of the glass tube is 1 , the second thermal conductive sheet 15 is in contact with the bubble on the thermometer 1 . The progressive liquid temperature automatic filtering detecting device designed by the above technical solution introduces an automatic intelligent filtering detecting electric control and heat insulating device for the existing thermometer, wherein the micro-rotating motor 11 is designed based on the timing circuit 12, and the thermometer 1 glass is matched. The friction between the outer wall of the tube and the rubber sleeve 10 causes the thermometer 1 to automatically move up and down in the design sliding sleeve 2, and the temperature is passed through the first heat conducting sheet 3 and the second heat conducting sheet 15 respectively in contact with the thermometer bubble. The sensor 7 detects the temperature of the bubble, and heats the bubble of the thermometer 1 through the specifically designed electric heating device 6, so that the thermometer 1 is maintained at the detected temperature, and the cycle is applied, and the thermometer 1 can be automatically controlled to be the last measurement. Temperature and temperature, so that each temperature measurement is the last temperature measurement On the basis of the temperature measurement, the influence of the ambient temperature on the temperature measurement data is effectively avoided, and the accuracy and efficiency of the cycle temperature measurement can be effectively improved.

Based on the above technical solution for designing the progressive liquid temperature automatic filtering detecting device, the present invention further designs the following preferred technical solution: for the micro rotating motor 11, further designing a micro brushless rotating motor, so that the present invention is designed The progressive liquid temperature automatic filter detection device can realize silent operation in actual use, which not only ensures that the designed progressive liquid temperature automatic filter detection device has high-efficiency cycle automatic liquid temperature detection efficiency, and can ensure that its working process is not right around. The influence of the environment reflects the humanized design in the design process; for the first thermal conductive sheet 3, the first copper thermal conductive sheet is further designed, and for the second thermal conductive sheet 15, the second copper thermal conductive sheet is further designed, Based on the automatic detection and electronic control structure design, the temperature detection and control of the bubble of the thermometer 1 can be accurately realized, thereby further ensuring the measurement accuracy of the designed progressive liquid temperature automatic filter detection device in practical applications; Further design using a microprocessor and specific The design uses ARM processor, which can be applied to the extended requirements of the designed progressive liquid temperature automatic filtering detection device on the one hand. On the other hand, the simple control architecture mode can facilitate the later maintenance; for the power supply 5, further design is adopted. The button battery and the small size of the button battery have the advantages of effectively controlling the occupied volume of the designed intelligent electronic control heat preservation device, and ensuring the stability of the power and electricity consumption of the intelligent electronic control heat preservation device designed, thereby effectively improving The stability of the designed progressive liquid temperature automatic filter detection device in practical application work.

The invention designs a progressive liquid temperature automatic filtering detecting device in the actual application process, and specifically comprises a thermometer 1, a sliding sleeve 2, a first copper heat conducting sheet, a clip 8, an L-shaped rod 9, a rubber sleeve 10, a temperature sensor. 7, the second copper thermal pad and ARM processor, and respectively with the ARM The button battery connected to the processor, the electric heating device 6, the micro brushless rotating motor, the timing circuit 12, the filter circuit 14; the temperature sensor 7 is connected to the ARM processor through the filter circuit 14; wherein the button battery is respectively passed through the ARM processor The electric heating device 6, the micro brushless rotating motor, and the timing circuit 12 are powered. At the same time, the button battery is sequentially supplied with the temperature sensor 7 through the ARM processor and the filter circuit 14; the end of one of the L-shaped bars 9 is slid The side of the sleeve 2 is fixedly connected, and the L-shaped rod 9 is perpendicular to the center line of the sliding sleeve 5, and the other end of the L-shaped rod 9 is connected to the clip 8; the sliding sleeve 2 is open at both ends, and Interacting with each other, the inner diameter of the sliding sleeve 2 is adapted to the outer diameter of the glass tube on the thermometer 1, and the inner diameter of the sliding sleeve 2 is smaller than the outer diameter of the bubble on the thermometer 1, and the sliding sleeve 2 is movably sleeved on the glass tube of the thermometer 1. The ARM processor, the button battery, the timing circuit 12 and the filter circuit 14 are fixedly disposed on the outer side of the sliding sleeve 2; the filter circuit 14 includes an op amp A1, a first resistor R1, a second resistor R2, and a first capacitor C1. And second The capacitor C2, wherein the input end of the filter circuit 14 sequentially connects the first capacitor C1 and the second capacitor C2 to the forward input end of the op amp A1, and at the same time, the input end of the filter circuit 14 is connected to the temperature sensor 7, and the op amp The forward input terminal of A1 is connected in series with the second resistor R2 and grounded; one end of the first resistor R1 is connected between the first capacitor C1 and the second capacitor C2, and the other end of the first resistor R1 is opposite to the opposite of the op amp A1. Connected to the input end and the output end, at the same time, the output end of the op amp A1 is connected to the output end of the filter circuit 14, the output end of the filter circuit 14 is connected with the ARM processor; the rubber sleeve 10 is fixedly connected to the micro brushless Rotating the top end of the rotating rod of the motor, the micro brushless rotating motor is fixedly connected to the sliding sleeve 2 through the bracket 13, the rotating rod of the micro brushless rotating motor is perpendicular to the glass tube on the thermometer 1, and the rubber sleeve 10 and the glass on the thermometer 1 When the outer wall of the tube is in contact, during the rotation of the rubber sleeve 10 by the rotating rod of the micro brushless rotating motor, the glass tube of the thermometer 1 is placed on the sliding sleeve 2 based on the friction between the outer wall of the glass tube and the rubber sleeve 10 of the thermometer 1 Moving downward; the electric heating device 6 is fixedly disposed at the bottom of the outer side of the sliding sleeve 2, and the electric heating device 6 comprises a heater body, an electrically controlled sliding rheostat, a capacitor C, a resistor, a bidirectional trigger diode and a triac; One end of the heater body is connected to the power supply positive pole via the ARM processor, and the other end of the heater body is respectively connected with one end of the resistance wire in the electronically controlled sliding varistor and one terminal of the triac; electronically controlled sliding The other end of the resistance wire in the varistor is respectively connected to one end of the capacitor, one end of the resistor, and one end of the bidirectional trigger diode; the other end of the capacitor, the other end of the resistor, and the other terminal of the triac, And connected to the negative pole of the power supply via the ARM processor; the other end of the bidirectional trigger diode is connected with the gate end of the triac; the ARM processor is connected to the sliding end of the electronically controlled sliding rheostat; the first copper heat conduction The sheet is fixedly connected to the heater body in the electric heating device 6, and the height position of the first copper heat conducting sheet is lower than the height position of the electric heating device 6. When the sliding sleeve 2 is located at the bottom end of the glass tube on the thermometer 1, the first copper heat conducting sheet is in contact with the bubble on the thermometer 1; the temperature sensor 7 is fixedly disposed at the bottom of the outer side of the sliding sleeve 2, and the second copper heat conducting sheet is The detecting end of the temperature sensor 7 is fixedly connected, the height position of the second copper heat conducting sheet is lower than the height position of the temperature sensor 7, and the sliding sleeve 2 is located at the bottom end of the glass tube on the thermometer 1, the second copper heat conducting sheet and the thermometer 1 The upper bubble is in contact. In practical applications, the user fixes the clip 8 to the edge of the container mouth, and fixes the designed detecting device by the clip, and makes the thermometer 1 vertically located directly above the container. In order to automate the cycle measurement, the ARM processor is based on The phase connection timing circuit 12 performs cycle counting. When the timing reaches the cycle, the ARM processor randomly controls the micro brushless rotating motor connected thereto to control the rotation lever to rotate, and then rotates the motor in the micro brushless rotating motor. During the rotation of the rubber sleeve 10, based on the friction between the outer wall of the glass tube of the thermometer 1 and the rubber sleeve 10, the glass tube of the thermometer 1 is moved downward in the sliding sleeve 2, so that A copper heat conducting sheet and a second copper heat conducting sheet are not in contact with the bubble of the thermometer 1 , and the liquid bubble of the thermometer 1 is placed in the liquid of the container for liquid temperature detection for a predetermined period of time. After the measurement is finished, the ARM processor controls again. The micro brushless rotating motor connected to the work is controlled to rotate the rotating rod, and the friction between the outer wall of the glass tube and the rubber sleeve 10 is based on the friction of the micro-brushless rotating motor to drive the rubber sleeve 10 to rotate. The glass tube of the thermometer 1 is moved upward in the sliding sleeve 2, so that the first copper heat conducting sheet and the second copper heat conducting sheet are respectively in contact with the bubble on the thermometer 1, and at this time, the temperature sensor 7 passes through the second copper. The heat conducting sheet detects the temperature of the bubble on the thermometer 1 at the first time, that is, the liquid temperature value, and the liquid temperature value is uploaded by the temperature sensor 7 to the ARM processor through the filter circuit 14, wherein the temperature sensor 7 sets the liquid temperature value. Uploaded to the filter circuit 14, the filter circuit 14 performs filtering processing on the received liquid temperature value, and filters out the noise data therein, which has been obtained more The liquid temperature value is determined, and then the filter circuit 14 continues to upload the filtered liquid temperature value to the ARM processor, and the ARM processor receives the input liquid temperature value, and then controls the liquid temperature value according to the obtained liquid temperature value. The connected electric heating device 6 starts to work, so that the heater body in the electric heating device 6 is rapidly warmed up to the obtained liquid temperature value and maintained at the temperature value, and correspondingly, the first copper heat conduction connected to the heater body The sheet will quickly conduct the temperature to the bubble of the thermometer 1. At this time, the heat generated by the electric heating device 6 is used to maintain the bubble of the thermometer 1 through the first copper heat conducting sheet, so that the temperature displayed by the thermometer 1 is maintained at the temperature. The liquid temperature value is obtained. Finally, the ARM processor controls the timing circuit 12 connected thereto to restart the timing. When the timing is reached again, the above-mentioned working process is repeated, so that each time the liquid temperature measurement is performed, It is based on the value of the liquid temperature obtained last time. On the one hand, it can avoid the influence of ambient temperature and ensure the data and data obtained. The accuracy and completeness of, on the other hand can effectively improve the cycle Temperature measurement work efficiency.

The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and can be made without departing from the scope of the present invention within the knowledge of those skilled in the art. Various changes.

Claims

A progressive liquid temperature automatic filtering detecting device comprises a thermometer (1); characterized in that it further comprises a sliding sleeve (2), a first heat conducting sheet (3), a clip (8), and an L-shaped rod (9) a rubber sleeve (10), a temperature sensor (7), a second heat conducting sheet (15) and a control module (4), and a power source (5) connected to the control module (4), an electric heating device (6), a micro-rotating motor (11), a timing circuit (12), a filter circuit (14), and a temperature sensor (7) connected to the control module (4) via a filter circuit (14); wherein the power source (5) passes through the control module (4) The electric heating device (6), the micro rotating motor (11), and the timing circuit (12) are respectively supplied with power, and at the same time, the power source (5) sequentially passes through the control module (4) and the filter circuit (14) as a temperature sensor (7). Power supply; the end of one of the L-shaped rods (9) is fixedly connected to the side of the sliding sleeve (2), and the side of the L-shaped rod (9) is perpendicular to the center line of the sliding sleeve (5), L-shaped The other end of the rod (9) is connected to the clip (8); the sliding sleeve (2) is open at both ends and penetrates each other, and the inner diameter of the sliding sleeve (2) and the outside of the glass tube on the thermometer (1) Adjustable diameter and sliding sleeve (2) The inner diameter is smaller than the outer diameter of the bubble on the thermometer (1), and the sliding sleeve (2) is sleeved on the glass tube of the thermometer (1); the control module (4), the power supply (5), the timing circuit (12) and the filter The circuit (14) is fixedly disposed on the outer side of the sliding sleeve (2); the filter circuit (14) includes an op amp A1, a first resistor R1, a second resistor R2, a first capacitor C1 and a second capacitor C2, wherein The input end of the filter circuit (14) sequentially connects the first capacitor C1 and the second capacitor C2 to the forward input end of the op amp A1, and the input end of the filter circuit (14) is connected to the temperature sensor (7), and the op amp The forward input end of the device A1 is connected in series with the second resistor R2 and grounded; one end of the first resistor R1 is connected between the first capacitor C1 and the second capacitor C2, and the other end of the first resistor R1 is respectively connected to the amplifier A1. The inverting input end and the output end are connected, and at the same time, the output end of the op amp A1 is connected to the output end of the filter circuit (14), and the output end of the filter circuit (14) is connected to the control module (4). The rubber sleeve (10) is fixedly connected to the top end of the rotating shaft of the micro rotating motor (11), and the micro rotating motor (11) is fixedly connected to the sliding sleeve (2) through the bracket (13), and the micro rotating motor (11) The rotating rod is perpendicular to the glass tube on the thermometer (1), and the rubber sleeve (10) is in contact with the outer wall of the glass tube on the thermometer (1), and is rotated during the rotation of the micro-rotary motor (11) to drive the rubber sleeve (10). Based on the friction between the outer wall of the glass tube and the rubber sleeve (10), the glass tube of the thermometer (1) moves up and down in the sliding sleeve (2); the electric heating device (6) is fixedly disposed on the sliding sleeve The bottom of the outer side of the tube (2), the electric heating device (6) comprises a heater body, an electrically controlled sliding varistor, a capacitor C, a resistor, a bidirectional trigger diode and a triac; wherein one end of the heater body is connected via The power supply positive pole of the control module (4), the other end of the heater body is respectively connected with one end of the resistance wire in the electronically controlled sliding varistor, one of the terminals of the triac, and the other of the resistance wire in the electronically controlled sliding varistor One end and one end of the capacitor, one end of the resistor One end of the bidirectional trigger diode is connected; the other end of the capacitor, the other end of the resistor, and the other terminal of the triac are connected to each other and connected to the negative pole of the power supply via the control module (4); The other end of the diode is connected to the gate end of the triac; the control module (4) is connected to the sliding end of the electronically controlled sliding varistor; the heating of the first thermal pad (3) and the electric heating device (6) The main body is fixedly connected, the height position of the first thermal conductive sheet (3) is lower than the height position of the electric heating device (6), and the first thermal conductive sheet is located when the sliding sleeve (2) is located at the bottom end of the glass tube on the thermometer (1) (3) in contact with the bubble on the thermometer (1); the temperature sensor (7) is fixedly disposed at the bottom of the outer side of the sliding sleeve (2), and the second heat conducting piece (15) is fixed to the detecting end of the temperature sensor (7) Connected, the height position of the second thermal pad (15) is lower than the height position of the temperature sensor (7), and the sliding sleeve (2) is located at the bottom end of the glass tube on the thermometer (1), the second thermal pad (15) and the thermometer (1) The upper vacuole phase is in contact.
A progressive liquid temperature automatic filtering detecting device according to claim 1, wherein said micro-rotary motor (11) is a micro-brushless rotating motor.
The progressive liquid temperature automatic filtering detecting device according to claim 1, wherein the first thermal conductive sheet (3) is a first copper thermal conductive sheet; and the second thermal conductive sheet (15) is Two copper heat conductive sheets.
A progressive liquid temperature automatic filtering detecting apparatus according to claim 1, wherein said control module (4) is a microprocessor.
A progressive liquid temperature automatic filtering detecting apparatus according to claim 4, wherein said microprocessor is an ARM processor.
A progressive liquid temperature automatic filtering detecting apparatus according to claim 1, wherein said power source (5) is a button battery.