CN211725734U - Magnetic stirring and infrared temperature measurement concentric and coplanar single-mode microwave device - Google Patents
Magnetic stirring and infrared temperature measurement concentric and coplanar single-mode microwave device Download PDFInfo
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- CN211725734U CN211725734U CN201921481806.1U CN201921481806U CN211725734U CN 211725734 U CN211725734 U CN 211725734U CN 201921481806 U CN201921481806 U CN 201921481806U CN 211725734 U CN211725734 U CN 211725734U
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- mode microwave
- temperature measurement
- magnetic stirring
- hole
- microwave cavity
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- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 53
- 238000003760 magnetic stirring Methods 0.000 title claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 210000001503 joint Anatomy 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 230000005672 electromagnetic field Effects 0.000 claims description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 2
- 238000004861 thermometry Methods 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- 239000000523 sample Substances 0.000 description 24
- 238000003756 stirring Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012993 chemical processing Methods 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of chemical reaction instruments, in particular to a single-mode microwave device with concentric and coplanar magnetic stirring and infrared temperature measurement, which comprises a single-mode microwave cavity, wherein one side of the single-mode microwave cavity is provided with a magnetron for heating, and the bottom of the single-mode microwave cavity is provided with a temperature measurement through hole in a penetrating way; the bottom of the single-mode microwave cavity is provided with a base matched with the single-mode microwave cavity, and a magnetic stirring unit and a temperature measuring unit are fixedly arranged in the base; the magnetic stirring unit comprises a fixing plate with a cross structure, a mounting hole is formed in the center of the fixing plate and corresponds to the temperature measuring through hole, and an electromagnetic coil is arranged at each end of the cross of the base; the temperature measuring unit is an infrared temperature sensor which is fixedly arranged in the mounting hole. The utility model discloses realize the magnetic stirring of single mode reaction and the coaxial coplane of infrared temperature measurement to the solution is few because of the sample, can't carry out the problem of accurate temperature measurement.
Description
Technical Field
The utility model relates to a chemical reaction instrument technical field especially relates to a magnetic stirring and concentric coplane single mode microwave device of infrared temperature measurement.
Background
Microwave is a highly efficient and novel energy source, and has been widely used in chemical processing technologies, including chemical synthesis, extraction, digestion, and the like.
In the existing single-mode microwave chemical equipment, single-mode microwaves can form a standard wave mode in a cavity; the advantages are high microwave density, high frequency and power stability, and ensuring accuracy and repeatability of chemical reaction. Is widely used in small volume chemical reactions. The existing single-mode microwave chemical equipment such as PT100 adopts sample invasive temperature measurement, and has the disadvantages that: firstly must invade the sample to the probe when the temperature measurement, have the requirement to the sample size, under the less circumstances of sample size, be unfavorable for the temperature measurement, secondly can bring cross contamination to the sample in the temperature measurement probe invasion sample, and thirdly when doing a small amount of samples, PT100 temperature measurement probe can conflict with magnetic stirrers, makes temperature measurement probe touch magnetic stirrers, makes the unable normal stirring of sample, influences the sample normal reaction. Therefore, a single-mode microwave device with magnetic stirring and infrared temperature measurement which are concentric and coplanar is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a magnetic stirring and concentric coplane single mode microwave device of infrared temperature measurement, through magnetic stirring and the coaxial coplane of infrared temperature measurement to the inside sample of single mode microwave cavity temperature measurement and stirring, realize the indirect temperature measurement of sample through infrared temperature measurement, do not pollute the sample, the temperature measurement temperature does not have the hysteresis, can not cause the stirring influence to magnetic stirring, the temperature measurement and the stirring of favourable a small amount of sample reaction in single mode microwave cavity.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a single-mode microwave device with concentric and coplanar magnetic stirring and infrared temperature measurement is designed, and comprises a single-mode microwave cavity, wherein a magnetron for heating is arranged on one side of the single-mode microwave cavity, and a temperature measurement through hole is arranged at the bottom of the single-mode microwave cavity in a penetrating manner;
the bottom of the single-mode microwave cavity is provided with a base matched with the single-mode microwave cavity, and a magnetic stirring unit and a temperature measuring unit are fixedly arranged in the base;
the magnetic stirring unit comprises a fixing plate with a cross-shaped structure, a mounting hole is formed in the center of the fixing plate and corresponds to the temperature measuring through hole, and electromagnetic coils are arranged at the end parts of the cross-shaped structure of the base;
the temperature measurement unit comprises an infrared temperature sensor for detecting the bottom temperature of the single-mode microwave cavity, and the detection end of the infrared temperature sensor faces the temperature measurement through hole and is fixedly installed in the mounting hole.
Furthermore, the outside of base is equipped with the control box body, is equipped with control circuit board, is connected with control circuit board in the control box body and is used for controlling four solenoid and change the controller of magnetic pole, the display screen that is used for showing infrared temperature sensor detection temperature in turn, still is equipped with the electronic governor switch that is used for adjusting magnetic force size on the control box body.
Further, the controller is an electronic switching commutator.
Furthermore, the base is provided with a butt joint pipe protruding outwards at the position of the mounting hole, the inner diameter of the butt joint pipe is the same as that of the mounting hole, the outer diameter of the butt joint pipe is the same as that of the temperature measurement through hole, and the height of the butt joint pipe is smaller than the hole length of the temperature measurement through hole.
Furthermore, the top surface of the base is glued and connected with a non-slip mat with an annular structure, and the non-slip mat is a high-temperature-resistant rubber mat.
Furthermore, a container matched with the single-mode microwave cavity is arranged in the single-mode microwave cavity, and a magnetic stirrer is placed in the container.
Furthermore, each end of the fixing plate is provided with a fixing hole and is fixed on the base through a screw.
Furthermore, the four electromagnetic coils are arranged in a circle to provide a magnetic force for driving the magnetic stirrer to rotate by alternately changing the electromagnetic field.
The utility model provides a pair of concentric coplane single mode microwave device of magnetic stirring and infrared temperature measurement, beneficial effect lies in: the utility model discloses a bottom at the single mode microwave cavity sets up the solenoid of four symmetries, the bottom that makes the single mode microwave cavity can form an alternating electromagnetic field, can provide the power of a stirring for the magnetic stirrers in the container, make the magnetic stirrers carry out magnetic stirring, and simultaneously, the infrared temperature sensor of bottom central point of single mode microwave cavity accessible carries out indirect detection temperature to the sample in the single mode microwave cavity, carry out temperature measurement and stirring to the inside sample of single mode microwave cavity through magnetic stirring and the coaxial coplane of infrared temperature measurement, can not cause the pollution to the sample, the temperature measurement temperature does not lag, can not cause the stirring influence to the magnetic stirrers, the temperature measurement and the stirring of the reaction of a small amount of samples in the single mode microwave cavity.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of an internal structure in an embodiment of the present invention;
fig. 2 is a left side view of the embodiment of the present invention with respect to the base;
FIG. 3 is a schematic view of an assembly structure of the magnetic stirring unit and the temperature measuring unit according to the embodiment of the present invention;
fig. 4 is a schematic diagram of an embodiment of the present invention for providing an alternate magnetic force change for a magnetic stirring unit.
Labeled as: the device comprises a base 1, a butt joint pipe 11, an anti-skid pad 12, a control box body 13, a display screen 14, an electronic speed regulator switch 15, a fixing plate 2, a mounting hole 21, an electromagnetic coil 22, a fixing hole 23, an infrared temperature sensor 3, a single-mode microwave cavity 4, a temperature measuring through hole 41, a container 42, a magnetic stirrer 43 and a magnetron 5.
Detailed Description
The present invention will be further described with reference to the following specific examples. These examples are provided only for illustrating the present invention and are not intended to limit the scope of the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The structural features of the present invention will now be described in detail with reference to the accompanying drawings.
Referring to fig. 1-4, a single-mode microwave device with concentric and coplanar magnetic stirring and infrared temperature measurement comprises a single-mode microwave cavity 4, a magnetron 5 for heating is arranged on one side of the single-mode microwave cavity 4, a container 42 matched with the single-mode microwave cavity 4 is arranged in the single-mode microwave cavity 4, a magnetic stirrer 43 is arranged in the container 42, and a temperature measurement through hole 41 is arranged at the bottom of the single-mode microwave cavity 4 in a penetrating manner;
the bottom of the single-mode microwave cavity 4 is provided with a base 1 matched with the single-mode microwave cavity, and a magnetic stirring unit and a temperature measuring unit are fixedly arranged in the base 1;
the magnetic stirring unit comprises a fixing plate 2 with a cross-shaped structure, each end part of the fixing plate 2 is provided with a fixing hole 23 and is fixed on the base 1 through a screw, the center of the fixing plate 2 is provided with a mounting hole 21, the mounting hole 21 is arranged corresponding to the temperature measuring through hole 41, the cross-shaped end part of the base 1 is provided with electromagnetic coils 22, and the four electromagnetic coils 22 are arranged in a circle and used for providing an alternating electromagnetic field to drive the magnetic stirrer 43 to rotate;
the temperature measuring unit comprises an infrared temperature sensor 3 for detecting the temperature of the bottom of the single-mode microwave cavity 4, and the detection end of the infrared temperature sensor 3 faces the temperature measuring through hole 41 and is fixedly installed in the installation hole 21.
The utility model discloses a concentric coplane single mode microwave device of magnetic stirring and infrared temperature measurement, solenoid 22 through setting up four symmetries in single mode microwave cavity 4's bottom, make single mode microwave cavity 4's bottom can form an alternate transform electromagnetic field, can provide the power of a stirring for magnetic stirring in the container son 43, make magnetic stirring son 43 carry out magnetic stirring, and simultaneously, single mode microwave cavity 4's bottom central point puts accessible infrared temperature sensor 3 and carries out indirect detection temperature to the sample in single mode microwave cavity 4, carry out temperature measurement and stirring to the inside sample of single mode microwave cavity through magnetic stirring and the coaxial coplane of infrared temperature measurement, can not cause the pollution to the sample, the temperature measurement temperature does not lag, can not cause the stirring influence to magnetic stirring son, the temperature measurement and the stirring of favourable a small amount of sample reaction in single mode microwave cavity.
Referring to fig. 2 and 4, further, a control box body 13 is arranged on the outer side of the base 1, a control circuit board, a controller connected with the control circuit board and used for controlling the four electromagnetic coils 22 to alternately change the magnetic field, and a display screen 14 used for displaying the temperature detected by the infrared temperature sensor 3 are arranged in the control box body 13, an electronic speed regulator switch 15 used for adjusting the magnetic force is further arranged on the control box body 13, and the controller is an electronic switch commutator.
The control box body 13 is arranged, the speed of the magnetic poles of the four electromagnetic coils 22 can be well controlled to be changed alternately, the stirring speed of the magnetic stirrer 43 is changed, the working principle of the four electromagnetic coils 22 is the same as that of a brushless motor, a magnetic field rotating around the geometric axis of the motor is formed around a winding coil by changing the alternating frequency and the wave shape of a current wave input to a stator coil of the brushless motor, the magnetic field drives the permanent magnet steel on the rotor to rotate, the electromagnetic coils 22 are the same as the winding coil of the brushless motor, and the magnetic stirrer 43 is the same as the rotor on the brushless motor.
Referring to fig. 2, further, the base 1 is provided with an outward protruding butt joint pipe 11 at the position of the installation hole 21, the inner diameter of the butt joint pipe 11 is the same as the installation hole 21, the outer diameter of the butt joint pipe 11 is the same as the aperture of the temperature measurement through hole 41, and the height of the butt joint pipe 11 is smaller than the hole length of the temperature measurement through hole 41.
The arrangement of the butt joint pipe 11 can accurately position the detection position of the infrared temperature sensor 3, so that the detection position of the infrared temperature sensor 3 is located at the axis position of the single-mode microwave cavity 4, and the accuracy of temperature detection is further improved.
When the microwave oven is used specifically, the fixing plate 2 with the electromagnetic coil 22 is installed on the base 1 through screws, the infrared temperature sensor 3 is fixedly installed in the installation hole 21 on the next step and can be fixed in a cementing mode, then the single-mode microwave cavity 4 is placed on the base 1, the butt joint pipe 11 is inserted into the temperature measurement through hole 41, after the single-mode microwave cavity 4 is placed stably, the container 42 with the magnetic stirrer 43 is placed into the single-mode microwave cavity 4, the container 42 can be a beaker, a sample to be reacted is added into the container 42, the electromagnetic coil 22, the infrared temperature sensor 3 and the magnetron 5 can be powered on and started on the next step, and the magnetic stirring and infrared temperature measurement coaxial coplanarity are achieved to carry out single-mode microwave chemical reaction.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A single-mode microwave device with magnetic stirring and infrared temperature measurement concentric and coplanar comprises a single-mode microwave cavity (4), wherein one side of the single-mode microwave cavity (4) is provided with a magnetron (5) for heating, and the single-mode microwave device is characterized in that the bottom of the single-mode microwave cavity (4) is provided with a temperature measurement through hole (41) in a penetrating manner;
the bottom of the single-mode microwave cavity (4) is provided with a base (1) matched with the single-mode microwave cavity, and a magnetic stirring unit and a temperature measuring unit are fixedly arranged in the base (1);
the magnetic stirring unit comprises a fixing plate (2) with a cross structure, a mounting hole (21) is formed in the center of the fixing plate (2), the mounting hole (21) is arranged corresponding to the temperature measuring through hole (41), and electromagnetic coils (22) are arranged at the cross end of the base (1);
the temperature measurement unit comprises an infrared temperature sensor (3) used for detecting the bottom temperature of the single-mode microwave cavity (4), and the detection end of the infrared temperature sensor (3) faces to the temperature measurement through hole (41) and is fixedly installed in the mounting hole (21).
2. The concentric and coplanar single-mode microwave device for magnetic stirring and infrared temperature measurement according to claim 1, wherein the outer side of the base (1) is provided with a control box body (13), the control box body (13) is internally provided with a control circuit board, a controller connected with the control circuit board and used for controlling four electromagnetic coils (22) to alternately change the magnetic field, a display screen (14) used for displaying the temperature detected by the infrared temperature sensor (3), and the control box body (13) is further provided with an electronic speed regulator switch (15) used for adjusting the magnetic force.
3. The concentric and coplanar single-mode microwave device according to claim 2, wherein the controller is an electronic switching commutator.
4. The magnetic stirring and infrared temperature measurement concentric and coplanar single-mode microwave device according to claim 1, wherein the pedestal (1) is provided with an outward convex butt joint pipe (11) at the position of the installation hole (21), the inner diameter of the butt joint pipe (11) is the same as that of the installation hole (21), the outer diameter of the butt joint pipe (11) is the same as that of the temperature measurement through hole (41), and the height of the butt joint pipe (11) is smaller than the hole length of the temperature measurement through hole (41).
5. The concentric coplanar single-mode microwave device with magnetic stirring and infrared temperature measurement as claimed in claim 1, wherein the top surface of the base (1) is glued with a non-slip mat (12) with a ring structure, and the non-slip mat (12) is a high temperature resistant rubber mat.
6. The concentric coplanar single-mode microwave device with magnetic stirring and infrared temperature measurement as set forth in claim 1, wherein the single-mode microwave cavity (4) is provided with a container (42) matched therewith, and the magnetic stirrer (43) is placed in the container (42).
7. The concentric coplanar single-mode microwave device with magnetic stirring and infrared thermometry according to claim 1, wherein the fixing plate (2) has fixing holes (23) at each end and is fixed on the base (1) by screws.
8. A concentric and coplanar single mode microwave device for magnetic stirring and infrared thermometry as claimed in claim 1 wherein four said electromagnetic coils (22) are disposed in a common circle to provide a magnetic force that transforms the electromagnetic field to drive the rotation of the magnetic stirrer (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921481806.1U CN211725734U (en) | 2019-09-06 | 2019-09-06 | Magnetic stirring and infrared temperature measurement concentric and coplanar single-mode microwave device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921481806.1U CN211725734U (en) | 2019-09-06 | 2019-09-06 | Magnetic stirring and infrared temperature measurement concentric and coplanar single-mode microwave device |
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| Publication Number | Publication Date |
|---|---|
| CN211725734U true CN211725734U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921481806.1U Expired - Fee Related CN211725734U (en) | 2019-09-06 | 2019-09-06 | Magnetic stirring and infrared temperature measurement concentric and coplanar single-mode microwave device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653276A (en) * | 2022-04-07 | 2022-06-24 | 浙江微流纳米生物技术有限公司 | Online cavity magnetic stirrers |
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2019
- 2019-09-06 CN CN201921481806.1U patent/CN211725734U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653276A (en) * | 2022-04-07 | 2022-06-24 | 浙江微流纳米生物技术有限公司 | Online cavity magnetic stirrers |
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Granted publication date: 20201023 |