CN217586089U - Frameless hollow platinum resistance temperature measuring element - Google Patents
Frameless hollow platinum resistance temperature measuring element Download PDFInfo
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- CN217586089U CN217586089U CN202221631224.9U CN202221631224U CN217586089U CN 217586089 U CN217586089 U CN 217586089U CN 202221631224 U CN202221631224 U CN 202221631224U CN 217586089 U CN217586089 U CN 217586089U
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Abstract
The utility model provides a hollow platinum resistance temperature element of no skeleton, comprising a main body, the inside of main part is provided with the insulating casing that suits with it, insulating casing one side and the inside packing of main part have high temperature insulating cement, be provided with the hollow platinum silk of double-wound spiral side by side in the insulating casing, the one side interconnect of the hollow platinum silk of double-wound spiral side by side, its opposite side is connected with the lead wire of sealing in high temperature insulating cement, adopts hollow platinum resistance of spiral and no skeleton centreless support spiral platinum silk, and temperature transmission directly transmits the spiral platinum silk when the temperature measurement, and the platinum silk does not have the heat of core or skeleton absorption transmission, makes the emergence change that hollow platinum resistance value can be quick like this.
Description
Technical Field
The utility model relates to a hollow platinum resistance temperature measurement technical field, concretely relates to hollow platinum resistance temperature measurement element of no skeleton.
Background
Platinum resistance, abbreviated as: the resistance value of the platinum thermal resistor changes along with the change of temperature, the platinum thermal resistor is suitable for high-precision temperature equipment such as medical treatment, motors, industry, temperature calculation, satellites, meteorology, resistance value calculation and the like, the application range is very wide, but the support frame or the support core is adopted by the common platinum resistor to increase the result stability, but the support frame and the support core can absorb heat to cause errors of the measurement result, and therefore a frameless hollow platinum resistor temperature measuring element is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a hollow platinum resistance temperature measurement element of no skeleton adopts the hollow platinum resistance of spiral and no skeleton centreless support spiral platinum silk, and on the temperature transmission directly transmitted the spiral platinum silk when the temperature measurement, the platinum silk does not have core or skeleton to absorb the heat of transmission, makes hollow platinum resistance value can be quick change like this.
In order to solve the technical problem, the utility model provides a hollow platinum resistance temperature element of no skeleton, comprising a main body, the inside of main part is provided with the insulating casing that suits with it, insulating casing one side and the inside packing of main part have high temperature insulating cement, be provided with the hollow platinum silk of double-wound spiral side by side in the insulating casing, the hollow platinum silk of double-wound spiral side by side one side interconnect, its opposite side is connected with the lead wire of sealing in high temperature insulating cement.
Further, the main body is a copper pipe shell, the main body is cylindrical, one side of the main body is sealed, and the other side of the main body is open.
Furthermore, the insulating shell is made of high-temperature-resistant insulating materials, the outer diameter of the insulating shell is matched with the inner diameter of the main body, the insulating shell is cylindrical, and one side of the insulating shell is sealed, and the other side of the insulating shell is open.
Furthermore, the sealing side of the insulating shell is connected to the inner wall of the sealing side of the main body, the length of the insulating shell is smaller than that of the main body, and one side of the insulating shell is fixed in the main body through high-temperature insulating glue arranged in the main body.
Further, the diameter of the parallel double-winding spiral hollow platinum wire is 0.02 to 0.05mm, and the parallel double-winding spiral hollow platinum wire is made of a double platinum wire by adopting a hollow winding process.
Furthermore, the opening side of the main body is filled with high-temperature insulating glue, and a through hole matched with the lead is formed in the high-temperature insulating glue.
Furthermore, one side of the lead is welded with the parallel double-wound spiral hollow platinum wire, and the welding point is positioned inside the high-temperature insulating glue.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
1. the main body is made of red copper material, and the heat and temperature transfer is fast due to the material, so that the reaction time of the device is short, and the efficiency is increased.
2. The parallel double-winding spiral hollow platinum wire is small in diameter and adopts a hollow winding process, so that the temperature is directly transmitted to the spiral platinum wire during temperature measurement without an inner core or a framework for absorbing heat, and the resistance value of the hollow platinum can be rapidly changed and reacted.
Drawings
Fig. 1 is a front sectional view of the present invention.
In the figure: 1. parallel double-winding spiral hollow platinum wires; 2. an insulating case; 3. a main body; 4. high-temperature insulating glue; 5. and (6) leading wires.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following description will be made with reference to fig. 1 of the embodiments of the present invention to clearly and completely describe the technical solutions of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
As shown in fig. 1: a frameless hollow platinum resistance temperature measuring element comprises a main body 3, wherein an insulation shell 2 matched with the main body 3 is arranged inside the main body 3, high-temperature insulation glue 4 is filled on one side of the insulation shell 2 and inside the main body 3, parallel double-winding spiral hollow platinum wires 1 are arranged inside the insulation shell 2, one sides of the parallel double-winding spiral hollow platinum wires 1 are connected with each other, the other sides of the parallel double-winding spiral hollow platinum wires are connected with a lead 5 sealed in the high-temperature insulation glue 4, the thickness of the side wall of the main body on one side, namely the side connected with the insulation shell, on the side is 2-3 mm, the insulation shell on the side is sealed and limited by the high-temperature insulation glue on the other side of the main body, therefore, the outer side wall of the insulation shell on the side is connected with the inner side wall of the main body on the side, the parallel double-winding spiral hollow platinum wires are formed by adopting spiral winding, one side close to the inner side of the main body is connected with each other side, and the other side of the lead embedded in the high-temperature insulation glue.
According to an embodiment of the present invention, as shown in fig. 1, the main body 3 is a red copper tube shell, the main body 3 is cylindrical and has an open side sealed at one side, and the main body adopts a red copper shell, which has better heat conductivity and faster heat transfer;
the insulating shell 2 is made of high-temperature-resistant insulating materials, the outer diameter of the insulating shell 2 is matched with the inner diameter of the main body 3, the insulating shell 2 is cylindrical, one side of the insulating shell is sealed, the other side of the insulating shell is open, the main body is cylindrical, the sealed side of the insulating shell is connected with the insulating shell, and heat can be directly transferred to the insulating shell and transferred to the parallel double-winding spiral hollow platinum wire through the insulating shell.
According to an embodiment of the present invention, as shown in fig. 1, the sealing side of the insulating shell 2 is connected to the inner wall of the sealing side of the main body 3, the length of the insulating shell 2 is less than the length of the main body 3, one side of the insulating shell 2 is fixed in the main body 3 through the high temperature insulating glue 4 arranged in the main body 3, and the length of the insulating shell is less than the length of the main body, so that when the insulating shell is connected to the inside of the main body, the insulating shell cannot extend out from the main body, at this time, the injection of the high temperature insulating glue at one side of the main body is not affected, and when the high temperature insulating glue is injected, the insulating shell can be fixed in the main body to avoid the vibration of the insulating shell;
the diameter of the parallel double-winding spiral hollow platinum wire 1 is 0.02 to 0.05mm, the parallel double-winding spiral hollow platinum wire 1 is made of a double platinum wire by adopting a hollow winding process, and the diameter of the platinum wire is smaller, so that the heat transfer is faster.
According to the utility model discloses an embodiment, as shown in fig. 1, high temperature insulating cement 4 is full of the opening side of main part 3, be provided with the through-hole that suits with lead wire 5 on the high temperature insulating cement 4, one side of lead wire 5 with side by side double-wound spiral hollow platinum silk 1 welds mutually, and this welding point is located inside high temperature insulating cement 4, side by side double-wound spiral hollow platinum silk one side and with the lead wire junction, this department is fixed and sealed by high temperature insulating cement, ensures that the resistance value that spreads by the lead wire does not receive external influence.
The utility model discloses a use method:
two ends of the platinum wire of the high-temperature resistant insulating shell are respectively welded with the lead, and the welding mode adopts arc welding. And (3) loading the assembled spiral hollow platinum resistor into a copper tube shell, and sealing the ends of the platinum resistor lead wires by adopting electronic high-temperature insulating glue.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and embellishments can be made without departing from the principle of the present invention, and these improvements and embellishments should also be regarded as the protection scope of the present invention.
Claims (7)
1. A frameless hollow platinum resistance temperature measuring element is characterized in that: the insulation shell type wire winding device is characterized by comprising a main body (3), an insulation shell (2) matched with the main body (3) is arranged in the main body (3), high-temperature insulation glue (4) is filled in one side of the insulation shell (2) and the inside of the main body (3), parallel double-winding spiral hollow platinum wires (1) are arranged in the insulation shell (2), one side of each parallel double-winding spiral hollow platinum wire (1) is connected with one another, and the other side of each parallel double-winding spiral hollow platinum wire is connected with a lead (5) sealed in the high-temperature insulation glue (4).
2. The frameless hollow platinum resistance temperature measurement element of claim 1, wherein: the main body (3) is a red copper pipe shell, the main body (3) is cylindrical, one side of the main body is sealed, and the other side of the main body is open.
3. The frameless hollow platinum resistance temperature measurement element of claim 2, wherein: the insulating shell (2) is made of high-temperature-resistant insulating materials, the outer diameter of the insulating shell (2) is matched with the inner diameter of the main body (3), the insulating shell (2) is cylindrical, and one side of the insulating shell is sealed while the other side of the insulating shell is open.
4. The frameless hollow platinum resistance temperature measurement element of claim 3, wherein: the sealing side of the insulating shell (2) is connected to the inner wall of the sealing side of the main body (3), the length of the insulating shell (2) is smaller than that of the main body (3), and one side of the insulating shell (2) is fixed in the main body (3) through high-temperature insulating glue (4) arranged in the main body (3).
5. The frameless hollow platinum resistance temperature measurement element of claim 4, wherein: the diameter of the parallel double-winding spiral hollow platinum wire (1) is 0.02 to 0.05mm, and the parallel double-winding spiral hollow platinum wire (1) is made of a double platinum wire by adopting a hollow winding process.
6. The frameless hollow platinum resistance temperature measurement element of claim 5, wherein: the opening side of the main body (3) is filled with the high-temperature insulating glue (4), and a through hole matched with the lead (5) is formed in the high-temperature insulating glue (4).
7. The frameless hollow platinum resistance temperature measurement element of claim 6, wherein: one side of the lead (5) is welded with the parallel double-winding spiral hollow platinum wire (1), and the welding point is positioned inside the high-temperature insulating glue (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221631224.9U CN217586089U (en) | 2022-06-28 | 2022-06-28 | Frameless hollow platinum resistance temperature measuring element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221631224.9U CN217586089U (en) | 2022-06-28 | 2022-06-28 | Frameless hollow platinum resistance temperature measuring element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217586089U true CN217586089U (en) | 2022-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221631224.9U Active CN217586089U (en) | 2022-06-28 | 2022-06-28 | Frameless hollow platinum resistance temperature measuring element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217586089U (en) |
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2022
- 2022-06-28 CN CN202221631224.9U patent/CN217586089U/en active Active
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