CN215611090U - Magnetic stirrer - Google Patents
Magnetic stirrer Download PDFInfo
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- CN215611090U CN215611090U CN202121326258.2U CN202121326258U CN215611090U CN 215611090 U CN215611090 U CN 215611090U CN 202121326258 U CN202121326258 U CN 202121326258U CN 215611090 U CN215611090 U CN 215611090U
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- heat insulation
- magnetic stirrer
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Abstract
The utility model discloses a magnetic stirrer, which comprises a base, wherein the base is provided with an accommodating space, and a power supply and a stirring unit are arranged in the accommodating space; the heat insulation unit is arranged on the upper part of the base and is connected with the base through a first connecting piece unit, and a gap is formed between the bottom of the heat insulation unit and the top of the base; the heating unit is arranged at the upper part of the heat insulation unit and is connected with the heat insulation unit through a second connecting piece unit, and a gap is formed between the bottom of the heating unit and the top of the heat insulation unit; the heating unit further comprises an upper support, a heating panel placing cavity is formed in the middle of the upper support, the heating panel is arranged at the position of the heating panel placing cavity, and the top of the second connecting bolt is in threaded connection with the upper support respectively. The utility model has the advantages of high heating speed, energy and electricity saving, and can save electricity by more than 30 percent at least; meanwhile, the structure is smooth, and the heating is uniform.
Description
Technical Field
The utility model relates to a laboratory instrument, in particular to a magnetic stirrer.
Background
The magnetic stirrer is a laboratory instrument for mixing liquid, a heating plate of a traditional magnetic sensor is made of traditional high-temperature-resistant materials such as aluminum, cast iron and graphite, heating is uneven during heating, preheating time is long, and power consumption is large; meanwhile, a heating part of the traditional magnetic stirrer is directly connected with the base, the heat insulation layer is unreasonable in arrangement, the heat insulation effect is poor, the heat in the base is high, and the service life of internal equipment of the base is affected.
Disclosure of Invention
The utility model aims to provide a magnetic stirrer.
In order to achieve the purpose, the utility model can adopt the following technical scheme:
the magnetic stirrer comprises
The stirring device comprises a base, a stirring device and a stirring device, wherein the base is provided with an accommodating space, and a power supply and a stirring unit are arranged in the accommodating space;
the heat insulation unit is arranged on the upper part of the base and is connected with the base through a first connecting piece unit, and a gap is formed between the bottom of the heat insulation unit and the top of the base;
the heating unit is arranged at the upper part of the heat insulation unit and is connected with the heat insulation unit through a second connecting piece unit, and a gap is formed between the bottom of the heating unit and the top of the heat insulation unit;
the heating unit comprises a heating panel and a graphene far-infrared electric heating film, the graphene far-infrared electric heating film is plated at the bottom of the heating panel, and positive and negative conductive bands of the graphene far-infrared electric heating film are respectively electrically connected with the power supply in the base through wires.
The thermal insulation unit comprises
The metal bracket is provided with a heat insulation cavity, and the first connecting piece unit and the second connecting piece unit are respectively connected with the metal bracket;
the heat preservation cotton is arranged in the heat insulation cavity, and the shape of the heat preservation cotton is matched with the inner space of the heat insulation cavity.
The metal support is an upper opening cavity body formed by a bottom plate and a side wall, the bottom plate is provided with circular radiating holes in a matrix mode, and the side wall is provided with a plurality of square radiating holes in a distributed mode.
The first connecting piece unit is composed of a plurality of first connecting bolts, and the second connecting piece unit is composed of a plurality of second connecting bolts; a plurality of first connecting holes and second connecting holes are formed in the bottom plate of the metal support, the first connecting holes are in threaded connection with first connecting bolts respectively, and the second connecting holes are in threaded connection with second connecting bolts respectively.
The heating unit further comprises an upper support, a heating panel placing cavity is formed in the middle of the upper support, the heating panel is arranged at the position of the heating panel placing cavity, and the tops of the second connecting bolts are respectively in threaded connection with the upper support.
And the bottoms of the first connecting bolts are respectively connected with the bottom of the base.
The utility model has the advantages that the upper part of the base is connected with the lower part of the heat insulation unit through the first connecting piece unit bolt, the upper part of the heat insulation unit is connected with the lower part of the heating unit through the second connecting piece unit bolt, the upper part of the metal bracket is provided with the first connecting holes which are arranged in a staggered way with the second connecting holes arranged at the lower part, the first connecting piece unit supports the metal bracket, and a certain interval is arranged between the metal bracket and the base, so that the heat transmission from the heating part to the base can be effectively reduced when the heating part is used for heating; the heating unit is coated on the microcrystalline glass plate by adopting a graphene far infrared heating film for heating, and silver-plated conductive strips are used as positive and negative electrodes for conducting electricity, so that the heating speed is high, the energy and the electricity are saved, and the electricity can be saved by at least more than 30%; meanwhile, the structure is smooth, and the heating is uniform.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an exploded view of the structure of the present invention.
FIG. 3 is a schematic view of the structure of the metal stent of the present invention.
Fig. 4 is a schematic view of the structure of the heating panel of the present invention.
FIG. 5 is an enlarged view of portion A of FIG. 1 according to the present invention.
Fig. 6 is a schematic structural view of a plurality of heating units in the embodiment of the present invention.
Fig. 7 is a schematic view of a heating unit according to an embodiment of the present invention.
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.
As shown in fig. 1 to 3, the magnetic stirrer according to the present invention includes a base 100, the base 100 is a metal housing, a base connection hole 110 is formed at the top of the base 100, a power supply and a stirring unit are disposed in an internal accommodation space, and the stirring unit includes a motor 210 and a rotating magnetic field generator 220; the upper part of the base 100 is provided with a heat insulation unit which comprises a metal bracket 300;
the lower part of the metal bracket 300 is provided with a first connecting hole 310 corresponding to the base connecting hole 110 at the top of the base 100, the metal bracket 300 passes through the first connecting hole 310 and the base connecting hole 110 through a first connecting piece unit to be connected to the base 100, the first connecting piece unit is composed of a plurality of first connecting bolts 320, the metal bracket 300 is an upper opening cavity body composed of a bottom plate and a side wall, circular heat dissipation holes are distributed on the bottom plate in a rectangular manner, circular holes distributed at four corners of the bottom plate are the first connecting holes 310, and a plurality of strip-shaped heat dissipation holes are formed in the side wall; placing heat preservation cotton 330 in the metal bracket 300, wherein the shape of the heat preservation cotton 330 is adapted to the inner space of the metal bracket 300; the heat insulation cotton 330 is made of foam asbestos, so that the heat insulation effect is realized, and the weight is light; wherein, the metal bracket 300 keeps a certain interval with the base 100, which plays a role of heat insulation;
the upper part of the temperature insulation unit is provided with a heating unit, the heating unit comprises an upper support 400, the bottom of the upper support 400 is provided with an upper support connecting hole 420, the top end of the side wall of the metal support 300 is provided with a second connecting hole 340 corresponding to the upper support connecting hole 420 at the bottom of the upper support 400, the upper support 400 and the metal support 300 are connected together by bolting the upper support connecting hole 420 and the second connecting hole 340 through a second connecting piece unit, the second connecting piece unit consists of a plurality of second connecting bolts 350, the upper support 400 is made of metal and is hollow, a heating panel 410 is placed, the shape of the heating panel 410 is embedded with the hollow part of the upper support 400, and the heating panel 410 is hermetically bonded on the upper support 400 through high-temperature resistant glue;
as shown in fig. 4, the heating panel 410 is a glass ceramic panel 411, a heating film 412 is plated on the glass ceramic panel 411, the heating film 412 is a graphene far infrared heating film, and the graphene far infrared heating film is fast in heating, efficient, energy-saving and uniform in heating; the heating film 412 is rectangular, positive and negative conductive strips 413 are arranged at two ends of the rectangle, the positive and negative conductive strips 413 are made of silver-plated materials and have good conductivity, and the positive and negative conductive strips 413 are connected with a power supply through electric wires;
as shown in fig. 5, the first connection bolt 320 and the second connection bolt 350 are respectively connected to the first connection hole 310 and the second connection hole 340 on the metal bracket 300, the first connection hole 310 and the second connection hole 340 are alternately arranged on the metal bracket 300, the first connection bolt 320 and the second connection bolt 350 are also alternately connected to the metal bracket 300, but not on the same axis, when the heating unit is heated, heat is transferred to the heat insulation unit, and the connection portion between the base 100 and the metal bracket 300 and the connection portion between the heating unit and the metal bracket 300 are alternately arranged, so that heat transferred from the heating unit to the base 100 is reduced, the heat insulation effect is further enhanced, and electronic devices inside the base 100 are protected.
Meanwhile, in order to meet different experimental scenes and experimental requirements, each magnetic stirrer can be provided with one stirring unit or a plurality of stirring units according to the specific model of the magnetic stirrer; the upper part of each stirring unit can share one heating unit, as shown in fig. 7; it is also possible to provide a heating unit above each stirring unit, as shown in fig. 6.
Claims (6)
1. A magnetic stirrer is characterized by comprising
The stirring device comprises a base, a stirring device and a stirring device, wherein the base is provided with an accommodating space, and a power supply and a stirring unit are arranged in the accommodating space;
the heat insulation unit is arranged on the upper part of the base and is connected with the base through a first connecting piece unit, and a gap is formed between the bottom of the heat insulation unit and the top of the base;
the heating unit is arranged at the upper part of the heat insulation unit and is connected with the heat insulation unit through a second connecting piece unit, and a gap is formed between the bottom of the heating unit and the top of the heat insulation unit;
the heating unit comprises a heating panel and a graphene far-infrared electric heating film, the graphene far-infrared electric heating film is plated at the bottom of the heating panel, and positive and negative conductive bands of the graphene far-infrared electric heating film are respectively electrically connected with the power supply in the base through wires.
2. A magnetic stirrer according to claim 1, wherein the thermal insulation unit comprises
The metal bracket is provided with a heat insulation cavity, and the first connecting piece unit and the second connecting piece unit are respectively connected with the metal bracket;
the heat preservation cotton is arranged in the heat insulation cavity, and the shape of the heat preservation cotton is matched with the inner space of the heat insulation cavity.
3. The magnetic stirrer according to claim 2, wherein the metal support is an upper open cavity formed by a bottom plate and a side wall, the bottom plate is provided with a matrix of circular heat dissipation holes, and the side wall is provided with a plurality of square heat dissipation holes.
4. The magnetic stirrer of claim 3, wherein the first connector unit is formed of a plurality of first connecting bolts, and the second connector unit is formed of a plurality of second connecting bolts; a plurality of first connecting holes and second connecting holes are formed in the bottom plate of the metal support, the first connecting holes are in threaded connection with first connecting bolts respectively, and the second connecting holes are in threaded connection with second connecting bolts respectively.
5. The magnetic stirrer according to claim 4, wherein the heating unit further comprises an upper bracket, a heating panel placing cavity is formed in the middle of the upper bracket, the heating panel is arranged at the position of the heating panel placing cavity, and the tops of the second connecting bolts are respectively in threaded connection with the upper bracket.
6. The magnetic stirrer according to claim 4, wherein the first connecting bolt bottom portions are respectively connected to the base bottom portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121326258.2U CN215611090U (en) | 2021-06-15 | 2021-06-15 | Magnetic stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121326258.2U CN215611090U (en) | 2021-06-15 | 2021-06-15 | Magnetic stirrer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215611090U true CN215611090U (en) | 2022-01-25 |
Family
ID=79943166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121326258.2U Active CN215611090U (en) | 2021-06-15 | 2021-06-15 | Magnetic stirrer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215611090U (en) |
-
2021
- 2021-06-15 CN CN202121326258.2U patent/CN215611090U/en active Active
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