CN113842965B - Test tube heating temperature rising device for thermal decomposition test - Google Patents
Test tube heating temperature rising device for thermal decomposition test Download PDFInfo
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- CN113842965B CN113842965B CN202111239079.XA CN202111239079A CN113842965B CN 113842965 B CN113842965 B CN 113842965B CN 202111239079 A CN202111239079 A CN 202111239079A CN 113842965 B CN113842965 B CN 113842965B
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Abstract
The invention discloses a test tube heating temperature rising device for a thermal decomposition test, which relates to the technical field of temperature control and comprises a temperature detection module, a quantity detection module, a main control module, a temperature control module, a heating assembly module, a communication module, an alarm module and a display module; the temperature detection module is used for detecting the temperature of test tubes, the quantity detection module is used for detecting the quantity of the test tubes, the main control module is used for receiving processing signals and outputting control signals and data signals, the temperature control module is used for controlling temperature change, and the communication module is used for carrying out data interaction with the user terminal. The test tube heating temperature rising device for the thermal decomposition test detects the number and the temperature of the test tubes for the thermal decomposition test, and can automatically adjust the change and the change rate of the heating temperature by determining the work of the heating function by detecting the number and the temperature of the test tubes.
Description
Technical Field
The invention relates to the technical field of temperature control, in particular to a test tube heating temperature rising device for a thermal decomposition test.
Background
The thermal decomposition test is a common test content of test compounds, especially organic compounds, in the test process, a test tube containing a sample needs to be heated to decompose the test tube, the temperature change and the change rate are required to be controlled, the thermal decomposition test can be better realized only if a test substance has thermal activity in a used temperature range, the test tube heating temperature rising device in the market at present mostly adopts a heat conducting medium (such as glycerol, silicone oil and the like) mode, the test tube for the thermal decomposition test is heated and heated through stirring of a stirrer and electric furnace heating, and meanwhile, all test tube ports are heated in a common heating mode, when the number of the test tubes is small, heat dissipation is easy to be caused, energy waste is caused, the test tube heating temperature rising device has low intelligence, and staff is required to monitor the test tube heating temperature rising device at any time, so that manpower resources are wasted.
Disclosure of Invention
The embodiment of the invention provides a test tube heating temperature rising device for a thermal decomposition test, which aims to solve the problems in the background technology.
According to a first aspect of an embodiment of the present invention, there is provided a test tube heating warmer for thermal decomposition test, the test tube heating warmer for thermal decomposition test including a temperature detection module, a number detection module, a main control module, a temperature control module, a heating assembly module, a communication module, an alarm module and a display module;
the temperature detection module is used for detecting the temperature change of the test tube for the thermal decomposition test and outputting a temperature signal;
the quantity detection module is used for detecting the quantity of test tubes for thermal decomposition test in the temperature rising device and outputting voltage signals;
the main control module is used for connecting the output ends of the temperature detection module and the quantity detection module, receiving the temperature signals output by the temperature detection module and the voltage signals output by the quantity detection module, and outputting control signals and data signals;
the temperature control module is used for receiving a control signal output by the main control module, connecting the input end of the heating assembly module and changing the current input into the heating assembly module;
the heating component module is used for receiving the current output by the temperature control module so as to change the temperature of the heating component and carrying out heating treatment on the test tube for the thermal decomposition test;
the communication module is used for connecting the third end of the main control module and receiving the data signal output by the main control module, and is used for carrying out data interaction with the user terminal;
the alarm module is used for receiving the control signal output by the main control module and giving an alarm;
the display module is used for receiving the data signals output by the main control module and displaying the detected temperature data.
Compared with the prior art, the invention has the beneficial effects that: according to the test tube heating temperature rising device for the thermal decomposition test, the quantity and the temperature of the test tubes for the thermal decomposition test are intelligently detected through the detection circuit, the working quantity of the heating plates is determined through the quantity of the test tubes, and the change rate of the heating temperature can be automatically adjusted through temperature detection, so that the working efficiency and the intelligence of the test tube heating temperature rising device for the thermal decomposition test are improved, and meanwhile, the loss of heat energy and the waste of electric energy are avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, 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 block diagram of a test tube heating temperature rising device for thermal decomposition test according to an embodiment of the present invention.
FIG. 2 is a diagram showing the number of test tubes and a temperature detection circuit for a thermal decomposition test according to an example of the present invention.
Fig. 3 is a schematic block diagram of a temperature control module according to an embodiment of the present invention.
Fig. 4 is a circuit diagram of a temperature control module according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, an embodiment of the present invention provides a test tube heating warmer for thermal decomposition test, which includes a temperature detection module 1, a number detection module 2, a main control module 3, a temperature control module 4, a heating assembly module 5, a communication module 6, an alarm module 7 and a display module 8;
specifically, the temperature detection module 1 is used for detecting the temperature change of the test tube for the thermal decomposition test and outputting a temperature signal; the first end of the temperature detection module 1 is connected with the first end of the main control module 3;
a number detection module 2 for detecting the number of test tubes for thermal decomposition test in the temperature rising device and outputting a voltage signal; the number detection module 2 is connected with the second end of the main control module 3;
the main control module 3 is used for receiving the temperature signal output by the temperature detection module 1 and the voltage signal output by the quantity detection module 2 and outputting a control signal and a data signal;
a temperature control module 4 for receiving the control signal output by the main control module 3 and changing the current input to the heating assembly module 5; the first end of the temperature control module 4 is connected with the fourth end, the fifth end and the sixth end of the main control module 3;
a heating module 5 for receiving the current outputted from the temperature control module 4 to change the temperature of the heating module and for heating the test tube for thermal decomposition test; the heating component module 5 is connected with the second end of the temperature control module 4;
the communication module 6 is used for receiving the data signal output by the main control module 3 and carrying out data interaction with the user terminal; the communication module 6 is connected with a third end of the main control module;
the alarm module 7 is used for receiving the control signal output by the main control module 3 and giving an alarm; the alarm module 7 is connected with a seventh end of the main control module 3;
a display module 8 for receiving the data signal outputted from the main control module 3 and displaying the detected temperature data; the display module 8 is connected to the eighth end of the main control module 3.
In a specific embodiment, the temperature detection module 1 may use a thermal resistance matching signal processor to perform real-time temperature detection on the test tube for thermal decomposition test, or use a temperature sensor to perform temperature detection; the number detection module 2 can perform number detection by adopting a key control mode through a key where the test tubes for thermal decomposition test contact, can be arranged below each test tube for thermal decomposition test, and can also perform number detection by arranging the key below a specific number; the main control module 3 can adopt a singlechip or a CPU (central processing unit ) to realize the functions of data acquisition, processing and transmission and control the change of temperature and the change rate; the temperature control module 4 can adopt the main control module 3 to intelligently control the closing and breaking of the switching tube and the resistance value of the potentiometer, and control the heating of the heating plate and the heating rate to control the temperature change of the test tube for the thermal decomposition test; the heating component module 5 adopts a rectifier G and a filter to process a power supply AC to supply power for the heating component; the communication module 6 can adopt one short-range communication mode of RS series communication, WIFI communication and Bluetooth communication, and realizes wireless communication through being connected with an SPI (serial peripheral interface, serial peripheral) communication interface of the main control module 3; the display module 8 can display real-time temperature values in a nixie tube or liquid crystal display mode; the alarm module 7 can alarm in an audible and visual alarm mode, and will not be described here.
Example 2: referring to fig. 2 on the basis of embodiment 1, in a specific embodiment of the tube heating warmer for thermal decomposition test according to the present invention, the temperature detection module 1 includes a first temperature sensor J1, a second temperature sensor J2, a first resistor R1, a first capacitor C1, and a first power supply +5v; the main control module 3 comprises a first controller U1;
specifically, the first end of the first temperature sensor J1, the first end of the second temperature sensor J2, the first end of the first resistor R1 are connected to the first power supply +5v, the second end of the first temperature sensor J1 and the second end of the second temperature sensor J2 are commonly connected to the ground, the third end of the first temperature sensor J1, the third end of the second temperature sensor J2, the other end of the first resistor R1 and the first end of the first capacitor C1 are connected to the first end of the first controller U1, and the second end of the first capacitor C1 is grounded.
Further, the number detection module 2 includes a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a first touch switch SA, a second touch switch SB, and a driver S1;
specifically, a first end of the driver S1 is connected to the first power source +5v and a first end of the second capacitor C2, a second end of the second capacitor C2 is grounded, a second end of the driver S1 is connected to a first end of the third capacitor C3 and the first touch switch SA, a third end of the driver S1 is connected to a first end of the fourth capacitor C4 and the second touch switch SA, a second end of the third capacitor C3 and a second end of the fourth capacitor C4 are grounded, a fourth end of the driver S1 is grounded, and a fifth end and a sixth end of the driver S1 are respectively connected to a second end and a third end of the first controller U1.
In a specific embodiment, the first temperature sensor J1 and the second temperature sensor J2 are DS18B20 multipoint temperature sensors, and temperature signals are collected through a single cable and transmitted to the first controller U1; the first controller U1 can adopt STM32 series singlechip to receive and process the collected signals, and control and alarm the test tube heating temperature-rising device for the thermal decomposition test; the driver S1 may detect the number of test tubes for the thermal decomposition test by using the BS812 through a touch manner; the first key switch and the second touch switch can adopt elastic contact switches which have no sound and do not need key caps.
Example 3: referring to fig. 3 and 4 on the basis of embodiment 1, in a specific embodiment of the tube heating warmer for thermal decomposition test according to the present invention, the temperature control module 4 includes a first control unit 401, a second control unit 402, and a temperature adjusting unit 403;
specifically, a first control unit 401 and a second control unit 402 are used for controlling the heating assembly module 5 to work;
a temperature adjustment unit 403 for controlling a temperature change of the heating element module 5; the first end of the first control unit 401 is connected with the fourth end of the main control module 3, the second end of the first control unit 401 is connected with the first end of the heating assembly module 5, the first end of the second control unit 402 is connected with the fifth end of the main control module 3, the second end of the second control unit 402 is connected with the second end of the heating assembly module 5, the third end of the heating assembly module 5 is connected with the temperature regulating unit 403, and the second end of the temperature regulating unit 403 is connected with the sixth end of the main control module 3.
Further, the first control unit 401 includes a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a first coupler U2, a first switching tube P1, a second switching tube N1, and a fifth capacitor C5;
specifically, the second resistor R2 is connected to the first power +5v, the other end of the second resistor R2 is connected to the first end of the first coupler U2, the second end of the first coupler U2 is connected to the emitter of the first switching tube P1, the base of the first switching tube P1 is connected to the fourth end of the first controller U1 through the sixth resistor R6, the collector of the first switching tube P1 is grounded, the third end of the first coupler U2 is connected to the base of the second switching tube N1 and the third resistor R3, the fourth end of the first coupler U2 is connected to the emitter of the second switching tube N1 and the first end of the fifth capacitor C5 through the fourth resistor R4, and the second end of the fifth capacitor C5 is connected to the other end of the second resistor R2 and the collector of the second switching tube N1 through the fifth resistor R5.
Further, the connection structure of the second control unit 402 is the same as that of the first control unit 401.
Further, the temperature adjusting unit 403 includes a digital potentiometer DCP; the heating assembly module 5 includes a first heating plate RL1;
specifically, a first end of the digital potentiometer DCP is connected to a first end of the first heating plate RL1, a second end of the first heating plate RL1 is connected to a collector of the second switching tube N1, a second end of the digital potentiometer DCP is connected to a second end of the fifth capacitor C5, and a third end of the digital potentiometer DCP is connected to a sixth end of the first controller U1.
Further, the heating assembly module 5 further comprises a rectifier G, a power supply AC, a seventh resistor R7 and a sixth capacitor C6;
specifically, a first end of the rectifier G is connected to a first end of the digital potentiometer DCP, a second end of the rectifier G is connected to a first end of the power supply AC, a second end of the power supply AC is connected to the sixth capacitor C6 and the seventh resistor R7, one end of the seventh resistor R7 and the other end of the sixth capacitor C6 are connected to a fourth end of the rectifier G, and a third end of the rectifier G is connected to a second end of the digital potentiometer DCP.
In a specific embodiment, the first switching tube P1 may control the conduction of the first coupler U2 by using a PNP transistor; the second switch tube N1 can adopt an NPN triode; the first coupler U2 may be a 4N25 photo-coupler with a phototransistor trigger circuit, to control the operation of the temperature control module 4, and may be a MOC3023 photo-coupler when the power of the heating element module 5 is high, where the conduction of the first coupler U2 controls the conduction of the second switching tube N1; the first heating plate RL1 can be an infrared directional ceramic heating plate; the digital potentiometer DCP can adopt X9312, and the first controller U1 controls and controls the slide end of the digital potentiometer DCP, so as to change the resistance of the digital potentiometer DCP and change the current input into the first heating plate RL 1.
In the embodiment of the invention, the temperature of the test tube for thermal decomposition test is detected by the temperature detection module 1, the quantity detection module 2 detects the quantity of the test tube for thermal decomposition test, the detected signal is transmitted to the main control module 3 for receiving and processing, the display module 8 displays the detected temperature value and the quantity value of the test tube for thermal decomposition test, the main control module 3 controls the temperature control module 4 to work, the temperature control module 4 controls the heating component module 5 to change the temperature, the temperature is quickly increased in the initial stage of the experiment, the temperature control module 4 controls the temperature to be quickly increased, when the temperature is close to a decomposition temperature critical point (set value), the temperature control module 4 slowly increases the temperature, the temperature control module 4 maintains constant temperature, if the set temperature value is exceeded or the test tube for thermal decomposition test heat heater fails, the alarm module 7 gives an alarm, wherein in the quantity detection module 2, the temperature control module 4 further controls the quantity of the heating component module 5 through statistics of the quantity of the test tube for thermal decomposition test, thereby avoiding the waste of electric energy caused by the whole work of the heating component, the acquired data are transmitted to the communication module 6 through the main control module 3, and the data interaction mode of the user terminal through wireless communication.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. The utility model provides a test tube heating temperature rising ware for thermal decomposition test which characterized in that:
the test tube heating temperature rising device for the thermal decomposition test comprises a temperature detection module, a quantity detection module, a main control module, a temperature control module, a heating assembly module and a communication module;
the temperature detection module is used for detecting the temperature change of the test tube for the thermal decomposition test and outputting a temperature signal;
the quantity detection module is used for detecting the quantity of test tubes for thermal decomposition test in the temperature rising device and outputting voltage signals;
the main control module is used for connecting the output ends of the temperature detection module and the quantity detection module, receiving the temperature signals output by the temperature detection module and the voltage signals output by the quantity detection module, and outputting control signals and data signals;
the temperature control module is used for receiving a control signal output by the main control module, connecting the input end of the heating assembly module and changing the current input into the heating assembly module;
the heating component module is used for receiving the current output by the temperature control module so as to change the temperature of the heating component and carrying out heating treatment on the test tube for the thermal decomposition test;
the communication module is used for connecting the third end of the main control module and receiving the data signal output by the main control module, and is used for carrying out data interaction with the user terminal; the temperature detection module comprises a first temperature sensor, a second temperature sensor, a first resistor, a first capacitor and a first power supply; the main control module comprises a first controller;
the first end of the first temperature sensor, the first end of the second temperature sensor and the first end of the first resistor are connected with a first power supply, the second end of the first temperature sensor and the second end of the second temperature sensor are commonly connected with a ground end, the third end of the first temperature sensor, the third end of the second temperature sensor, the other end of the first resistor and the first end of the first capacitor are connected with the first end of the first controller, and the second end of the first capacitor is grounded;
the temperature control module comprises a first control unit, a second control unit and a temperature regulating unit;
the first control unit and the second control unit are used for controlling the heating assembly module to work;
the temperature adjusting unit is used for controlling the temperature change of the heating assembly module;
the first end of the first control unit is connected with the fourth end of the main control module, the second end of the first control unit is connected with the first end of the heating assembly module, the first end of the second control unit is connected with the fifth end of the main control module, the second end of the second control unit is connected with the second end of the heating assembly module, the third end of the heating assembly module is connected with the temperature regulating unit, and the second end of the temperature regulating unit is connected with the sixth end of the main control module;
the first control unit comprises a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a first coupler, a first switching tube, a second switching tube and a fifth capacitor;
the second resistor is connected with the first power supply, the other end of the second resistor is connected with the first end of the first coupler, the second end of the first coupler is connected with the emitter of the first switching tube, the base electrode of the first switching tube is connected with the fourth end of the first controller through the sixth resistor, the collector electrode of the first switching tube is grounded, the third end of the first coupler is connected with the base electrode of the second switching tube and the third resistor, the fourth end of the first coupler is connected with the emitter of the second switching tube and the first end of the fifth capacitor through the fourth resistor, and the second end of the fifth capacitor is connected with the other end of the second resistor and the collector electrode of the second switching tube through the fifth resistor;
the connection structure of the second control unit is the same as that of the first control unit;
the temperature regulating unit comprises a digital potentiometer; the heating assembly module comprises a first heating plate;
the first end of the digital potentiometer is connected with the first end of the first heating plate, the second end of the first heating plate is connected with the collector electrode of the second switching tube, the second end of the digital potentiometer is connected with the second end of the fifth capacitor, and the third end of the digital potentiometer is connected with the sixth end of the first controller.
2. The test tube heating and warming device for the thermal decomposition test according to claim 1, wherein the test tube heating and warming device for the thermal decomposition test further comprises an alarm module and a display module;
the alarm module is used for receiving the control signal output by the main control module and giving an alarm;
the display module is used for receiving the data signals output by the main control module and displaying the detected temperature data;
the alarm module is connected with the seventh end of the main control module, and the display module is connected with the eighth end of the main control module.
3. The test tube heating warmer for thermal decomposition test according to claim 2, wherein said number detection module comprises a second capacitor, a third capacitor, a fourth capacitor, a first touch switch, a second touch switch and a driver;
the first end of the driver is connected with the first end of the first power supply and the first end of the second capacitor, the second end of the second capacitor is grounded, the second end of the driver is connected with the first end of the third capacitor and the first touch switch, the third end of the driver is connected with the first end of the fourth capacitor and the second touch switch, the second end of the third capacitor and the second end of the fourth capacitor are grounded, the fourth end of the driver is grounded, and the fifth end and the sixth end of the driver are respectively connected with the second end and the third end of the first controller.
4. A test tube heating warmer for thermal decomposition test according to claim 3, wherein said heating assembly module further comprises a rectifier, a power supply, a seventh resistor and a sixth capacitor;
the first end of the rectifier is connected with the first end of the digital potentiometer, the second end of the rectifier is connected with the first end of the power supply, the second end of the power supply is connected with the sixth capacitor and the seventh resistor, one end of the seventh resistor and the other end of the sixth capacitor are connected with the fourth end of the rectifier, and the third end of the rectifier is connected with the second end of the digital potentiometer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111239079.XA CN113842965B (en) | 2021-10-25 | 2021-10-25 | Test tube heating temperature rising device for thermal decomposition test |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111239079.XA CN113842965B (en) | 2021-10-25 | 2021-10-25 | Test tube heating temperature rising device for thermal decomposition test |
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| CN113842965A CN113842965A (en) | 2021-12-28 |
| CN113842965B true CN113842965B (en) | 2023-09-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202683248U (en) * | 2012-05-31 | 2013-01-23 | 安徽星鑫化工科技有限公司 | Test-tube heating thermostat used in thermal decomposition test |
| CN108667274A (en) * | 2018-05-22 | 2018-10-16 | 青岛海尔智能技术研发有限公司 | The control circuit of driving plate power supply output |
| CN108704686A (en) * | 2018-06-12 | 2018-10-26 | 南通晟霖格尔电子科技有限公司 | A kind of western pharmaceutical test test tube heating device |
| CN210485883U (en) * | 2019-06-24 | 2020-05-08 | 佛山市中格威电子有限公司 | Control circuit of warm air blower |
| CN112558655A (en) * | 2020-12-07 | 2021-03-26 | 东莞圣柏电子有限公司 | Control circuit of warmer and warmer thereof |
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2021
- 2021-10-25 CN CN202111239079.XA patent/CN113842965B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202683248U (en) * | 2012-05-31 | 2013-01-23 | 安徽星鑫化工科技有限公司 | Test-tube heating thermostat used in thermal decomposition test |
| CN108667274A (en) * | 2018-05-22 | 2018-10-16 | 青岛海尔智能技术研发有限公司 | The control circuit of driving plate power supply output |
| CN108704686A (en) * | 2018-06-12 | 2018-10-26 | 南通晟霖格尔电子科技有限公司 | A kind of western pharmaceutical test test tube heating device |
| CN210485883U (en) * | 2019-06-24 | 2020-05-08 | 佛山市中格威电子有限公司 | Control circuit of warm air blower |
| CN112558655A (en) * | 2020-12-07 | 2021-03-26 | 东莞圣柏电子有限公司 | Control circuit of warmer and warmer thereof |
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