CN104568201A - Thermal resistor - Google Patents
Thermal resistor Download PDFInfo
- Publication number
- CN104568201A CN104568201A CN201510001704.5A CN201510001704A CN104568201A CN 104568201 A CN104568201 A CN 104568201A CN 201510001704 A CN201510001704 A CN 201510001704A CN 104568201 A CN104568201 A CN 104568201A
- Authority
- CN
- China
- Prior art keywords
- sleeve pipe
- threaded connector
- connecting tube
- upper connecting
- cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 238000004880 explosion Methods 0.000 abstract 1
- 210000001503 joint Anatomy 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 102000046255 Type III Sodium-Phosphate Cotransporter Proteins Human genes 0.000 description 1
- 108091006286 Type III sodium-phosphate co-transporters Proteins 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Details Of Resistors (AREA)
Abstract
The invention discloses a thermal resistor which comprises a junction box, a sleeve pipe, an upper connecting pipe, a cap, a screwed joint, an electrical crossover coupling and a platinum resistor element. A wiring board is fixed in a box body of the junction box, the cap is connected with one end of the junction box, a connecting piece is arranged at the end, away from the junction box, of the cap, a wire outlet pipe is arranged on the periphery of the junction box, and the electrical crossover coupling is connected with the wire outlet pipe. The sleeve pipe and the upper connection pipe are coaxially arranged, are in butt joint and are connected and fixed through the screwed joint, the end, away from the sleeve pipe, of the upper connection pipe is connected with the connecting piece, and the platinum resistor element is installed in an inner cavity of the sleeve pipe, penetrates through the upper connection pipe and the cap in sequence, enters the junction box and is connected with the wiring board. The thermal resistor is convenient and fast to installed, and firm and reliable in connection with an installed part, and the anti-explosion performance of the thermal resistor is improved.
Description
Technical field
The present invention relates to temperature sensor technology field, particularly relate to a kind of thermal resistance.
Background technology
Temperature is a basic physical quantity, all processes of occurring in nature are invariably closely related with temperature, as the sensor measured temperature, temperature sensor can convert temperature information to usable output signal, and temperature sensor has a wide range of applications and the huge market share.
Current thermal resistance is with mounted piece connection procedure, and thermal resistance is connected with mounted piece by flange, adopts flange connection not only to install trouble, and there is poorly sealed problem between mounted piece and flange.General flange is connected with mounted piece by screw, and when mounted piece is in vibration environment, flange can loosen, and causes connection unreliable, affects measuring accuracy.
Summary of the invention
In order to solve the technical matters existed in background technology, the present invention proposes a kind of thermal resistance, quick and easy for installation and with mounted piece firm and reliable connection, improve the explosion-proof performance of thermal resistance.
A kind of thermal resistance that the present invention proposes, comprises terminal box, sleeve pipe, upper connecting tube cap, threaded connector, electric conversion joint and platinum resistive element; The box body internal fixtion of terminal box has terminal block, and terminal box one end is connected with and cap, and cap is provided with web member away from terminal box one end, and the periphery of terminal box is provided with outlet-pipe, and electric conversion joint connects with outlet-pipe; Sleeve pipe, upper connecting tube are coaxially arranged, the docking of sleeve pipe, upper connecting tube is also connected and fixed by threaded connector, upper connecting tube connects with web member away from sleeve pipe one end, and platinum resistive element is arranged in cannula cavity, and platinum resistive element runs through upper connecting tube successively and cap enters terminal box and is connected with terminal block.
Preferably, the internal diameter of cannula cavity and platinum resistive element external diameter equal and opposite in direction.
Preferably, upper connecting tube periphery and web member end face adopt and are welded and fixed connection.
Preferably, threaded connector comprises the first threaded connector and second threaded connector of coaxial setting, first threaded connector is set in outside upper connecting tube, and be welded and fixed connection at the first threaded connector end face and the employing of upper connecting tube periphery, second threaded connector is set in outside of sleeve, and is welded and fixed connection at the second threaded connector end face and the employing of sleeve pipe periphery.
Preferably, threaded connector adopts NPT 1/4 threaded connector.
Preferably, sleeve outer is less than the external diameter of upper connecting tube, and the diameter of cannula cavity is less than upper connecting tube internal diameter.
A kind of thermal resistance provided by the invention, adopts threaded connector to connect upper connecting tube and sleeve pipe, comes connection thermal resistor and mounted piece, firm and reliable connection, improve the explosion-proof performance of thermal resistance, extend serviceable life by threaded connector.Adopt between threaded connector and upper connecting tube, sleeve pipe and be welded to connect, improve the connection reliability between upper connecting tube and sleeve pipe, upper connecting tube internal diameter is greater than casing inner diameter, makes platinum resistive element quick and easy for installation.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of thermal resistance that the present invention proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of a kind of thermal resistance that the present invention proposes.
With reference to Fig. 1, a kind of thermal resistance that the present invention proposes, comprises terminal box 1, sleeve pipe 2, upper connecting tube 3 cap 4, threaded connector 5, electric conversion joint 6 and platinum resistive element; The box body internal fixtion of terminal box 1 has terminal block, and terminal box 1 one end is connected with and cap 4, and cap 4 is provided with web member 41 away from terminal box 1 one end, and the periphery of terminal box 1 is provided with outlet-pipe, and electric conversion joint 6 connects with outlet-pipe; Sleeve pipe 2, upper connecting tube 3 are coaxially arranged, and sleeve pipe 2 external diameter is less than the external diameter of upper connecting tube 3, and the diameter of sleeve pipe 2 inner chamber is less than upper connecting tube 3 internal diameter; Sleeve pipe 2, upper connecting tube 3 are docked and are connected and fixed by threaded connector 5, and threaded connector 5 adopts NPT1/4 threaded connector; Upper connecting tube 3 adopts welding connecting mode and web member 41 to be connected and fixed away from sleeve pipe 2 one end, improves the strength of joint of terminal box 1 and also cap 4; Platinum resistive element is arranged in sleeve pipe 2 inner chamber, and platinum resistive element runs through upper connecting tube 3 successively and cap 4 enters terminal box 1 and is connected with terminal block, the internal diameter of sleeve pipe 2 inner chamber and platinum resistive element external diameter equal and opposite in direction.
In a particular embodiment, threaded connector 5 comprises coaxial the first threaded connector 51 and the second threaded connector 52 arranged, first threaded connector 51 is set in outside upper connecting tube 3, and be welded and fixed connection at the first threaded connector 51 end face and the employing of upper connecting tube 3 periphery, second threaded connector 52 is set in outside sleeve pipe 2, and be welded and fixed connection at the second threaded connector 52 end face and the employing of sleeve pipe 2 periphery, improve the connectivity robustness of sleeve pipe 2 and upper connecting tube 3.When thermal resistance is installed to workplace, threaded connector 5 connection thermal resistor and mounted piece, firm and reliable connection, avoids mounted piece to vibrate and causes sleeve pipe 2 or upper connecting tube 3 come off and affect measurement result, extend serviceable life, improve measuring accuracy.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (6)
1. a thermal resistance, it is characterized in that, comprise terminal box (1), sleeve pipe (2), upper connecting tube (3) cap (4), threaded connector (5), electric conversion joint (6) and platinum resistive element; The box body internal fixtion of terminal box (1) has terminal block, terminal box (1) one end is connected with and cap (4), and cap (4) is provided with web member (41) away from terminal box (1) one end, the periphery of terminal box (1) is provided with outlet-pipe, and electric conversion joint (6) connects with outlet-pipe; Sleeve pipe (2), upper connecting tube (3) are coaxially arranged, sleeve pipe (2), upper connecting tube (3) dock and pass through threaded connector (5) and be connected and fixed, upper connecting tube (3) connects away from the same web member in sleeve pipe (2) one end (41), platinum resistive element is arranged in sleeve pipe (2) inner chamber, and platinum resistive element runs through upper connecting tube (3) successively and cap (4) enters terminal box (1) and is connected with terminal block.
2. thermal resistance according to claim 1, is characterized in that, the internal diameter of sleeve pipe (2) inner chamber and platinum resistive element external diameter equal and opposite in direction.
3. thermal resistance according to claim 1, is characterized in that, upper connecting tube (3) periphery and web member (41) end face adopt and be welded and fixed connection.
4. thermal resistance according to claim 1, it is characterized in that, threaded connector (5) comprises the first threaded connector (51) and second threaded connector (52) of coaxial setting, first threaded connector (51) is set in upper connecting tube (3) outside, and be welded and fixed connection at the first threaded connector (51) end face and the employing of upper connecting tube (3) periphery, second threaded connector (52) is set in sleeve pipe (2) outside, and is welded and fixed connection at the second threaded connector (52) end face and the employing of sleeve pipe (2) periphery.
5. the thermal resistance according to claim 1 or 4, is characterized in that, threaded connector (5) adopts NPT 1/4 threaded connector.
6. thermal resistance according to claim 1, is characterized in that, sleeve pipe (2) external diameter is less than the external diameter of upper connecting tube (3), and the diameter of sleeve pipe (2) inner chamber is less than upper connecting tube (3) internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510001704.5A CN104568201A (en) | 2015-01-04 | 2015-01-04 | Thermal resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510001704.5A CN104568201A (en) | 2015-01-04 | 2015-01-04 | Thermal resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104568201A true CN104568201A (en) | 2015-04-29 |
Family
ID=53084792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510001704.5A Pending CN104568201A (en) | 2015-01-04 | 2015-01-04 | Thermal resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104568201A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052895A (en) * | 2016-05-06 | 2016-10-26 | 胡柳新 | Thermal resistor of temperature measurement |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2071784U (en) * | 1990-08-06 | 1991-02-20 | 叶挺刚 | Assembled armoured thermocouple with sealing cutting ferrule |
| CN2244717Y (en) * | 1995-07-13 | 1997-01-08 | 中国仪器仪表行业协会自动化仪表分会温度仪表专业协会 | Handy detachable connecting tube for thermocouple and equipment of medium tested |
| CN2341133Y (en) * | 1998-08-19 | 1999-09-29 | 浙江省永康温度仪表厂 | High voltage armored thermocouple |
| CN2541827Y (en) * | 2002-04-24 | 2003-03-26 | 游伯坤 | Flame proof belt converter theral couple (resistance) |
| DE102004009736A1 (en) * | 2004-02-25 | 2005-09-22 | Khs Maschinen- Und Anlagenbau Ag | Pipe coupling for screw connection of two pipes |
| CN200972416Y (en) * | 2006-10-31 | 2007-11-07 | 上海自动化仪表股份有限公司 | Nut small inertia armoured platinum resistance thermometer |
| CN201408089Y (en) * | 2009-02-13 | 2010-02-17 | 天津市中环温度仪表有限公司 | Conveniently installed thermocouple |
| CN202382879U (en) * | 2011-11-22 | 2012-08-15 | 大连美天测控系统有限公司 | Thermal resistance |
| CN103575419A (en) * | 2013-10-16 | 2014-02-12 | 安徽蓝德仪表有限公司 | Anti-explosion temperature sensor for air compressor |
| CN103592050A (en) * | 2013-10-16 | 2014-02-19 | 安徽蓝德仪表有限公司 | Integrated temperature sensor for air compressor |
| CN204346603U (en) * | 2015-01-04 | 2015-05-20 | 安徽蓝德仪表有限公司 | A kind of thermal resistance |
-
2015
- 2015-01-04 CN CN201510001704.5A patent/CN104568201A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2071784U (en) * | 1990-08-06 | 1991-02-20 | 叶挺刚 | Assembled armoured thermocouple with sealing cutting ferrule |
| CN2244717Y (en) * | 1995-07-13 | 1997-01-08 | 中国仪器仪表行业协会自动化仪表分会温度仪表专业协会 | Handy detachable connecting tube for thermocouple and equipment of medium tested |
| CN2341133Y (en) * | 1998-08-19 | 1999-09-29 | 浙江省永康温度仪表厂 | High voltage armored thermocouple |
| CN2541827Y (en) * | 2002-04-24 | 2003-03-26 | 游伯坤 | Flame proof belt converter theral couple (resistance) |
| DE102004009736A1 (en) * | 2004-02-25 | 2005-09-22 | Khs Maschinen- Und Anlagenbau Ag | Pipe coupling for screw connection of two pipes |
| CN200972416Y (en) * | 2006-10-31 | 2007-11-07 | 上海自动化仪表股份有限公司 | Nut small inertia armoured platinum resistance thermometer |
| CN201408089Y (en) * | 2009-02-13 | 2010-02-17 | 天津市中环温度仪表有限公司 | Conveniently installed thermocouple |
| CN202382879U (en) * | 2011-11-22 | 2012-08-15 | 大连美天测控系统有限公司 | Thermal resistance |
| CN103575419A (en) * | 2013-10-16 | 2014-02-12 | 安徽蓝德仪表有限公司 | Anti-explosion temperature sensor for air compressor |
| CN103592050A (en) * | 2013-10-16 | 2014-02-19 | 安徽蓝德仪表有限公司 | Integrated temperature sensor for air compressor |
| CN204346603U (en) * | 2015-01-04 | 2015-05-20 | 安徽蓝德仪表有限公司 | A kind of thermal resistance |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052895A (en) * | 2016-05-06 | 2016-10-26 | 胡柳新 | Thermal resistor of temperature measurement |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150429 |
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| RJ01 | Rejection of invention patent application after publication |