CN204188296U - A kind of thermometric armoured thermal resistance - Google Patents
A kind of thermometric armoured thermal resistance Download PDFInfo
- Publication number
- CN204188296U CN204188296U CN201420670099.1U CN201420670099U CN204188296U CN 204188296 U CN204188296 U CN 204188296U CN 201420670099 U CN201420670099 U CN 201420670099U CN 204188296 U CN204188296 U CN 204188296U
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- China
- Prior art keywords
- lead wire
- resistance
- metal lead
- thermometer clement
- thermal resistance
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Abstract
The utility model discloses a kind of thermometric armoured thermal resistance; comprise terminal box, metal lead wire, protection metal pipe and resistance thermometer clement; resistance thermometer clement comprises many hot wires; hot wire is entwined helicoidal structure; the axis of many hot wires is positioned on same periphery; resistance thermometer clement and metal lead wire are all positioned at protection metal pipe; insulating powder is filled with between the two and protection metal pipe; resistance thermometer clement is connected with metal lead wire one end, and the other end of metal lead wire is connected with terminal box.The thermometric armoured thermal resistance that the utility model proposes, helicoidal structure is wound in as resistive thermal devices by adopting many hot wires, on the one hand, many hot wires work simultaneously, improve the measuring accuracy of temperature thermocouple, on the other hand, hot wire is wound helical structure, reduce the excessive stresses that hot wire produces due to environment temperature Rapid Variable Design, increase the service life, improve the security used.
Description
Technical field
The utility model relates to thermal resistance technical field, particularly relates to a kind of thermometric armoured thermal resistance.
Background technology
Thermal resistance is the temperature element that a kind of every profession and trade is commonly used, and increases and the characteristic of increase is made according to the resistance of metal with temperature.In Conventional thermoelectric resistance, usual employing filamentary silver or copper wire are lead-in wire, external application enamel-cover or mould bag insulation mode and insulate, but this thermal resistance oxidation resistance is poor, but it is lower that these apply maximum Thermistor Temperature Measurement precision, easily occurs crackle at joint when temperature variation is too fast.Therefore, for the occasion that temperature control requirement is high, cannot meet the demands, reduce serviceable life and there is potential safety hazard, the high-precision thermal resistance that price is high can only be customized.
Utility model content
For solving the technical matters existed in background technology, the utility model proposes a kind of thermometric armoured thermal resistance, structure is simple, is suitable for the environment that the fast temperature difference of temperature variation is large, improves the security using degree of accuracy and thermal resistance to use.
A kind of thermometric armoured thermal resistance that the utility model proposes, comprising: terminal box, metal lead wire, protection metal pipe and resistance thermometer clement;
Resistance thermometer clement comprises many hot wires; hot wire is entwined helicoidal structure; the axis of many hot wires is positioned on same periphery; resistance thermometer clement and metal lead wire are all positioned at protection metal pipe; insulating powder is filled with between the two and protection metal pipe; resistance thermometer clement is connected with metal lead wire one end, and the other end of metal lead wire is connected with terminal box.
Preferably, resistance thermometer clement comprises two hot wires, and the two is wound double-spiral structure.
Preferably, protection metal pipe is stainless steel protection pipe.
Preferably, insulating powder is magnesia powder.
Preferably, hot wire is platinum resistance line.
In the utility model; the thermometric armoured thermal resistance proposed; comprise terminal box, metal lead wire, protection metal pipe and resistance thermometer clement; resistance thermometer clement comprises many hot wires; hot wire is entwined helicoidal structure; the axis of many hot wires is positioned on same periphery; resistance thermometer clement and metal lead wire are all positioned at protection metal pipe; insulating powder is filled with between the two and protection metal pipe; resistance thermometer clement is connected with metal lead wire one end, and the other end of metal lead wire is connected with terminal box.By the thermometric armoured thermal resistance of above-mentioned optimal design, helicoidal structure is wound in as resistive thermal devices by adopting many hot wires, on the one hand, many hot wires work simultaneously, improve the measuring accuracy of temperature thermocouple, on the other hand, hot wire is wound helical structure, reduce the excessive stresses that hot wire produces due to environment temperature Rapid Variable Design, increase the service life, improve the security used.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of thermometric armoured thermal resistance that the utility model proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of a kind of thermometric armoured thermal resistance that the utility model proposes.
With reference to Fig. 1, a kind of thermometric armoured thermal resistance that the utility model proposes, comprising: terminal box 1, metal lead wire 2, stainless steel protection pipe 3 and resistance thermometer clement 4;
Resistance thermometer clement 4 comprises two platinum resistance lines 40, platinum resistance line 40 is wound double-spiral structure, the axis of two platinum resistance lines 40 is positioned on same periphery, resistance thermometer clement 4 and metal lead wire 2 are all positioned at stainless steel protection pipe 3, stainless steel protection pipe 3 plays heatproof, the effect of starvation, ensure the use safety of thermal resistance, resistance thermometer clement 4 and be filled with magnesia powder between metal lead wire 2 and stainless steel protection pipe 3, it is for making platinum resistance line and insulating between metal lead wire and stainless steel protection pipe, resistance thermometer clement 4 is connected with metal lead wire 2 one end, the other end of metal lead wire 2 is connected with terminal box 1.
In the specific implementation process of the thermometric armoured thermal resistance of the present embodiment proposition, resistive thermal devices comprises many hot wires, while can improving measuring accuracy, can also ensure in thermometric process, when wherein a hot wire breaks down, resistive thermal devices still can normally work.
In the present embodiment; the thermometric armoured thermal resistance proposed; comprise terminal box, metal lead wire, protection metal pipe and resistance thermometer clement; resistance thermometer clement comprises many hot wires; hot wire is entwined helicoidal structure; the axis of many hot wires is positioned on same periphery; resistance thermometer clement and metal lead wire are all positioned at protection metal pipe; insulating powder 5 is filled with between the two and protection metal pipe; resistance thermometer clement is connected with metal lead wire one end, and the other end of metal lead wire is connected with terminal box.By the thermometric armoured thermal resistance of above-mentioned optimal design, helicoidal structure is wound in as resistive thermal devices by adopting many hot wires, on the one hand, many hot wires work simultaneously, improve the measuring accuracy of temperature thermocouple, on the other hand, hot wire is wound helical structure, reduce the excessive stresses that hot wire produces due to environment temperature Rapid Variable Design, increase the service life, improve the security used.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within protection domain of the present utility model.
Claims (5)
1. a thermometric armoured thermal resistance, is characterized in that, comprising: terminal box (1), metal lead wire (2), protection metal pipe (3) and resistance thermometer clement (4);
Resistance thermometer clement (4) comprises many hot wires; hot wire is entwined helicoidal structure; the axis of many hot wires is positioned on same periphery; resistance thermometer clement (4) and metal lead wire (2) are all positioned at protection metal pipe (3); insulating powder (5) is filled with between the two and protection metal pipe (3); resistance thermometer clement (4) is connected with metal lead wire (2) one end, and the other end of metal lead wire (2) is connected with terminal box (1).
2. thermometric armoured thermal resistance according to claim 1, is characterized in that, resistance thermometer clement (4) comprises two hot wires, and the two is wound double-spiral structure.
3. thermometric armoured thermal resistance according to claim 1, is characterized in that, protection metal pipe (3) is stainless steel protection pipe.
4. the thermometric armoured thermal resistance according to claim 1 or 3, is characterized in that, insulating powder (5) is magnesia powder.
5. thermometric armoured thermal resistance according to claim 1 and 2, is characterized in that, hot wire is platinum resistance line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420670099.1U CN204188296U (en) | 2014-11-11 | 2014-11-11 | A kind of thermometric armoured thermal resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420670099.1U CN204188296U (en) | 2014-11-11 | 2014-11-11 | A kind of thermometric armoured thermal resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204188296U true CN204188296U (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420670099.1U Expired - Fee Related CN204188296U (en) | 2014-11-11 | 2014-11-11 | A kind of thermometric armoured thermal resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204188296U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352622A (en) * | 2015-10-23 | 2016-02-24 | 安徽蓝德仪表有限公司 | Multi-point thermal resistor |
| CN105784181A (en) * | 2016-04-21 | 2016-07-20 | 诸琢玉 | Temperature apparatus capable of measuring and controlling linear length and method thereof |
| CN109916529A (en) * | 2019-02-26 | 2019-06-21 | 重庆材料研究院有限公司 | Platinum resistive element and preparation process for nuclear leve proof armored platinum resistor |
| CN110095199A (en) * | 2019-05-28 | 2019-08-06 | 张炯 | Utilize the method for special shape armored platinum resistance test thermostat thermal field |
-
2014
- 2014-11-11 CN CN201420670099.1U patent/CN204188296U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352622A (en) * | 2015-10-23 | 2016-02-24 | 安徽蓝德仪表有限公司 | Multi-point thermal resistor |
| CN105352622B (en) * | 2015-10-23 | 2018-11-27 | 安徽蓝德自动化科技有限公司 | A kind of multi-point hot resistance |
| CN105784181A (en) * | 2016-04-21 | 2016-07-20 | 诸琢玉 | Temperature apparatus capable of measuring and controlling linear length and method thereof |
| CN105784181B (en) * | 2016-04-21 | 2018-04-06 | 诸琢玉 | The temperature device and its method of measurement control line length |
| CN109916529A (en) * | 2019-02-26 | 2019-06-21 | 重庆材料研究院有限公司 | Platinum resistive element and preparation process for nuclear leve proof armored platinum resistor |
| CN110095199A (en) * | 2019-05-28 | 2019-08-06 | 张炯 | Utilize the method for special shape armored platinum resistance test thermostat thermal field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20181111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |