CN111256852A - Integrated rapid reaction temperature sensor - Google Patents
Integrated rapid reaction temperature sensor Download PDFInfo
- Publication number
- CN111256852A CN111256852A CN202010123112.1A CN202010123112A CN111256852A CN 111256852 A CN111256852 A CN 111256852A CN 202010123112 A CN202010123112 A CN 202010123112A CN 111256852 A CN111256852 A CN 111256852A
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- China
- Prior art keywords
- temperature sensor
- reaction temperature
- side wall
- control box
- rapid reaction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses a high-precision NTC (negative temperature coefficient) resistor with 1% resistance error, which is accurate in temperature measurement and can be matched with food-grade stainless steel to increase the application range of a product; the diameter of the head part is 2.0mm, so that the reaction speed of the product is ensured, the reaction speed is high, the temperature measurement error can reach 0.2 ℃ at most, and the product is packaged by adopting a single-end glass-sealed resistor with a smaller size; the epoxy resin with high reaction speed is adopted for packaging, so that the measurement has good reproducibility and stability, the temperature measurement precision is high, and the reaction speed is high, so that the reliability of production automation is ensured.
Description
Technical Field
The invention relates to the technical field of measuring devices, in particular to an integrated rapid reaction temperature sensor.
Background
The measuring device is a group of measuring instruments and auxiliary devices combined for measuring, and some auxiliary devices or tools for measuring are also commonly classified as a measuring tool, wherein the temperature measuring device is a category of measuring devices.
The temperature measuring device is an instrument for measuring temperature, the temperature sensor is one of temperature measuring instrument types, and is a sensor which can sense temperature and convert the temperature into a usable output signal, and the temperature sensor is a core part of the temperature measuring instrument and has a plurality of varieties. The measurement method can be divided into a contact type and a non-contact type, and the measurement method can be divided into a thermal resistor and a thermocouple according to the characteristics of sensor materials and electronic elements.
The sensor industry in China starts late, and through the development of more than ten years, an industrial pattern with a certain scale is formed at present, and the sensor industry has the characteristics that (1) more manufacturers are provided, and enterprises with the larger scale are fewer; (2) regional development is unbalanced; (3) the variety is many, the grade is not high; (4) the production and the research are mostly supported by universities and research institutes, and the number of professional companies is small.
Along with the continuous improvement of the degree of automatic production, the requirements on the sensor technology are also continuously improved, the temperature measurement precision of the conventional temperature sensor is low, the reaction speed is low, and the reliability of the production automation cannot be ensured.
Disclosure of Invention
The invention aims to provide an integrated rapid reaction temperature sensor, which aims to solve the problems that the requirements on the sensor technology are continuously improved along with the continuous improvement of the automatic production degree, the temperature measurement precision of the existing temperature sensor is low, the reaction speed is slow, and the reliability of the production automation cannot be ensured in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the integrated rapid reaction temperature sensor comprises a control box, a turnover cover, a combined flange and a connecting device, wherein the right side wall of the control box is movably connected with the turnover cover through a hinge, the left side wall of the control box is in threaded connection with the combined flange, the left side wall of the combined flange is in threaded connection with a protective pipe, the circumferential outer wall of the protective pipe is sleeved with the connecting device, the top and the bottom of an inner cavity of the control box are embedded with a display screen, the left side wall of the control box is integrally connected with a bottom shell, the top and the bottom of the inner cavity of the bottom shell are fixedly connected with a data board through screws, the electrical output end of the data board is electrically connected with a digital-analog converter through a wire, the electrical output end of the digital-analog converter is electrically connected with the display screen through a wire, an inner hole is formed in the circumferential inner wall, the inner chamber of protection tube is pegged graft and is had single-ended glass seal, the inside contact of single-ended glass seal has NTC resistance, NTC resistance's electrical output end electric connection has the signal line, the electrical output of signal line with the electrical input end electric connection of data board, single-ended glass seal with it has the epoxy layer to fill between the protection tube, connecting device's bottom welding has the connecting bolt.
Preferably, the bottom of the control box is integrally connected with an outlet pipe, and an external wire is electrically connected inside the outlet pipe.
Preferably, a flip groove is formed in the right side wall of the flip, and a toughened glass plate is embedded in the flip groove.
Preferably, the circumference outer wall of flip has the resistance-increasing groove, the shape of resistance-increasing groove is the square.
Preferably, the NTC resistor is installed at a central point of the single-ended glass sealing layer, and the single-ended glass sealing layer is installed at a central point of the protection tube.
Preferably, the NTC resistor is a high-precision resistor with a resistance error less than or equal to 1%.
Preferably, the protection tube is made of food-grade stainless steel, and the diameter of the head of the protection tube is 2.0 mm.
Preferably, the connecting ends of the combined flange and the connecting bolt are sleeved with sealing rings.
Compared with the prior art, the invention has the beneficial effects that: according to the integrated rapid reaction temperature sensor, through the combined application of accessories, the sensor uses the high-precision NTC resistor with 1% of resistance error, the temperature measurement is accurate, and the application range of a product is enlarged by matching with food-grade stainless steel; the diameter of the head part is 2.0mm, so that the reaction speed of the product is ensured, the reaction speed is high, the temperature measurement error can reach 0.2 ℃ at most, and the product is packaged by adopting a single-end glass-sealed resistor with a smaller size; the epoxy resin with high reaction speed is adopted for packaging, so that the measurement has good reproducibility and stability, the temperature measurement precision is high, and the reaction speed is high, so that the reliability of production automation is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the interior of the structure of the present invention;
FIG. 3 is a schematic view of the protective tube according to the present invention;
FIG. 4 is a schematic view of the inside of the protection tube according to the present invention;
FIG. 5 is a schematic diagram of the reaction steps of the present invention.
In the figure: 100 control box, 110 leading-out tube, 120 display screen, 130 bottom shell, 140 data board, 200 flip, 210 toughened glass plate, 220 resistance-increasing groove, 300 combined flange, 310 protective tube, 320 epoxy resin layer, 330 single-end glass sealing layer, 340NTC resistance, 350 signal wire, 400 connecting device, 410 connecting bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an integrated rapid reaction temperature sensor, which is combined and applied through accessories, is convenient for increasing the reaction speed, has high precision, and please refer to fig. 1-5, and comprises a control box 100, a flip cover 200, a combined flange 300 and a connecting device 400;
referring to fig. 1 again, the bottom of the control box 100 is provided with an outlet tube 110, specifically, the bottom of the control box 100 is integrally connected with the outlet tube 110, the interior of the outlet tube 110 is electrically connected with an external wire, the top and the bottom of the inner cavity of the control box 100 are embedded with a display screen 120, the left side wall of the control box 100 is integrally connected with a bottom shell 130, the top and the bottom of the inner cavity of the bottom shell 130 are fixedly connected with a data board 140 through screws, the electrical output end of the data board 140 is electrically connected with a digital-to-analog converter through a wire, and the electrical output end of the digital-to-analog converter is electrically;
referring to fig. 1 again, the left side wall of the flip cover 200 is movably connected with the right side wall of the control box 100, specifically, the right side wall of the control box 100 is movably connected with the flip cover 200 through a hinge, the right side wall of the flip cover 200 is provided with a flip cover groove, and a tempered glass plate 210 is embedded inside the flip cover groove;
referring to fig. 1-4 again, the right side wall of the combination flange 300 is fixedly connected to the left side wall of the bottom case 130, specifically, the left side wall of the control box 100 is connected to the combination flange 300 by a thread, the left side wall of the combination flange 300 is connected to a protection tube 310 by a thread, an inner hole is formed on the inner circumferential wall of the combination flange 300, the right side wall of the protection tube 310 is inserted into the left side wall of the combination flange 300, a single-end glass seal layer 330 is inserted into an inner cavity of the protection tube 310, an NTC resistor 340 is contacted inside the single-end glass seal layer 330, an electrical output end of the NTC resistor 340 is electrically connected to a signal line 350, an electrical output end of the signal line 350 is electrically connected to an electrical input end of the data board 140;
referring to fig. 2-3 again, the circumferential inner wall of the connection device 400 is sleeved with the circumferential outer wall of the protection tube 310, specifically, the circumferential outer wall of the protection tube 310 is sleeved with the connection device 400, and the bottom of the connection device 400 is welded with the connection bolt 410;
when the device is used specifically, the eduction tube 110 is reserved at the bottom of the control box 100, the bottom shell 130 is fixedly connected to the left side wall of the control box 100, the data board 140 is combined inside the bottom shell 130 and the control box 100, the data board 140 is connected with the display screen 120, the toughened glass plate 210 is installed on the flip cover 200, the resistance-increasing groove 220 is formed in the flip cover 200, the combined flange 300 is matched with the left side wall of the bottom shell 130 to combine the protective tube 310, the protective tube 310 is made of food-grade stainless steel, and the application range of the product is enlarged; the diameter of the head is 2.0mm, the reaction speed of the product is guaranteed, the single-ended glass seal layer 330 is placed inside the protection tube 310, the NTC resistor 340 is arranged inside the single-ended glass seal layer 330, the NTC resistor 340 with the high-precision resistance error smaller than or equal to 1% is used, the temperature measurement error can reach 0.2 degrees at most, the temperature measurement is accurate, the NTC resistor 340 and the data board 140 are electrically connected by matching with a signal line 350, the epoxy resin layer 320 is filled between the single-ended glass seal layer 330 and the protection tube 310, the reaction speed of the epoxy resin layer 320 is high, and the measurement has good reproducibility and stability.
Referring to fig. 1 again, in order to increase the taking resistance of the flip cover 200 and increase the contact area, specifically, the circumferential outer wall of the flip cover 200 is provided with a resistance-increasing groove 220, and the resistance-increasing groove 220 is shaped as a cube.
Referring to fig. 4 again, in order to ensure the data acquisition effect and achieve the high precision effect, specifically, the NTC resistor 340 is installed at the center point of the single-ended glass seal layer 330, the single-ended glass seal layer 330 is installed at the center point of the protection tube 310, and the NTC resistor 340 is a high precision resistor with a resistance error less than or equal to 1%.
Referring to fig. 2-3 again, in order to ensure the reaction speed of the protection tube 310 and increase the sealing effect, the protection tube 310 is made of food grade stainless steel, the diameter of the head of the protection tube 310 is 2.0mm, and the connection ends of the combination flange 300 and the connection bolt 410 are sleeved with sealing rings.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. Integral type quick reaction temperature sensor, its characterized in that: comprises a control box (100), a flip cover (200), a combined flange (300) and a connecting device (400), wherein the right side wall of the control box (100) is movably connected with the flip cover (200) through a hinge, the left side wall of the control box (100) is in threaded connection with the combined flange (300), the left side wall of the combined flange (300) is in threaded connection with a protective tube (310), the circumference outer wall of the protective tube (310) is sleeved with the connecting device (400), the top and the bottom of the inner cavity of the control box (100) are embedded with a display screen (120), the left side wall of the control box (100) is integrally connected with a bottom shell (130), the top and the bottom of the inner cavity of the bottom shell (130) are fixedly connected with a data board (140) through screws, the electrical output end of the data board (140) is electrically connected with a digital-to-analog converter through a wire, the electrical output end of the, the inner hole has been seted up to the circumference inner wall of composite flange (300), the right side wall of protection tube (310) with the left side wall of composite flange (300) is pegged graft, the inner chamber of protection tube (310) is pegged graft and is had single-ended glass seal (330), the inside contact of single-ended glass seal (330) has NTC resistance (340), the electrical output end electrical connection of NTC resistance (340) has signal line (350), the electrical output end of signal line (350) with the electrical input end electrical connection of data board (140), single-ended glass seal (330) with it has epoxy layer (320) to fill between protection tube (310), the bottom welding of connecting device (400) has connecting bolt (410).
2. The integrated rapid reaction temperature sensor according to claim 1, wherein: the bottom of the control box (100) is integrally connected with an eduction tube (110), and an external wire is electrically connected inside the eduction tube (110).
3. The integrated rapid reaction temperature sensor according to claim 1, wherein: the right side wall of flip (200) has been seted up the flip groove, the inside in flip groove is inlayed and is had toughened glass board (210).
4. The integrated rapid reaction temperature sensor according to claim 1, wherein: resistance-increasing grooves (220) are formed in the circumferential outer wall of the flip cover (200), and the resistance-increasing grooves (220) are square.
5. The integrated rapid reaction temperature sensor according to claim 1, wherein: the NTC resistor (340) is installed at the central point position of the single-end glass sealing layer (330), and the single-end glass sealing layer (330) is installed at the central point position of the protection tube (310).
6. The integrated rapid reaction temperature sensor according to claim 1, wherein: the NTC resistor (340) is a high-precision resistor with the resistance error less than or equal to 1%.
7. The integrated rapid reaction temperature sensor according to claim 1, wherein: the material of protection tube (310) is food level stainless steel, the head diameter of protection tube (310) is 2.0 mm.
8. The integrated rapid reaction temperature sensor according to claim 1, wherein: and the connecting ends of the combined flange (300) and the connecting bolt (410) are sleeved with sealing rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010123112.1A CN111256852A (en) | 2020-02-27 | 2020-02-27 | Integrated rapid reaction temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010123112.1A CN111256852A (en) | 2020-02-27 | 2020-02-27 | Integrated rapid reaction temperature sensor |
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| Publication Number | Publication Date |
|---|---|
| CN111256852A true CN111256852A (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010123112.1A Pending CN111256852A (en) | 2020-02-27 | 2020-02-27 | Integrated rapid reaction temperature sensor |
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| Country | Link |
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| CN (1) | CN111256852A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525376A (en) * | 2020-11-23 | 2021-03-19 | 无锡笃行创联技术有限公司 | Assembled temperature sensor capable of multi-point detection |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202720070U (en) * | 2012-07-27 | 2013-02-06 | 肇庆爱晟电子科技有限公司 | High-stability and rapid NTC temperature sensor |
| CN209559347U (en) * | 2019-03-14 | 2019-10-29 | 安徽哈特自动化仪表有限公司 | A kind of wide range outdoor temperature transmitter |
-
2020
- 2020-02-27 CN CN202010123112.1A patent/CN111256852A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202720070U (en) * | 2012-07-27 | 2013-02-06 | 肇庆爱晟电子科技有限公司 | High-stability and rapid NTC temperature sensor |
| CN209559347U (en) * | 2019-03-14 | 2019-10-29 | 安徽哈特自动化仪表有限公司 | A kind of wide range outdoor temperature transmitter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525376A (en) * | 2020-11-23 | 2021-03-19 | 无锡笃行创联技术有限公司 | Assembled temperature sensor capable of multi-point detection |
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Application publication date: 20200609 |
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