CN202547811U - Multipoint flexible thermocouple - Google Patents
Multipoint flexible thermocouple Download PDFInfo
- Publication number
- CN202547811U CN202547811U CN2012201710288U CN201220171028U CN202547811U CN 202547811 U CN202547811 U CN 202547811U CN 2012201710288 U CN2012201710288 U CN 2012201710288U CN 201220171028 U CN201220171028 U CN 201220171028U CN 202547811 U CN202547811 U CN 202547811U
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- CN
- China
- Prior art keywords
- thermopair
- temperature sensor
- point flexibly
- terminal box
- compensating wire
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a multipoint flexible thermocouple, which comprises at least one temperature sensor, a junction box and a temperature measuring casing, wherein a compensating lead is connected between the temperature sensor and the junction box; and a distributed sealing mechanism is arranged outside the temperature sensor and the compensating lead between the temperature measuring casing and the junction box. Distributed sealing is adopted instead of the conventional integral sealing, so that high sealing performance is realized, and each component can be detached conveniently.
Description
Technical field
The utility model relates to a kind of temperature measuring equipment, relates in particular to a kind of multi-point flexibly thermopair.
Background technology
Thermopair is to use temperature sensor very widely, and its principal feature is that measurement range is wide, and performance is more stable, and simultaneously simple in structure, dynamic response is good, can the long-distance transmissions electric signal, be convenient to realize control and centralized control automatically.Advantages such as thermopair has can be crooked, high pressure resistant, thermal response time is fast and sturdy and durable, it can be used for directly measuring liquid, steam and gas medium and the temperature of solid surface of various production runes in 0 ℃～1100 ℃ scopes.Thermopair is a kind of energy converter, and it can be an electric energy with thermal power transfer, uses the temperature of the thermoelectrical potential measuring media that is produced.The multiple spot armoured thermocouple carries out integral sealing with temperature sensor often, although sealing property is good, what almost adopt between each parts is to be welded to connect, and causes the dismounting difficulty.And; The multiple spot armoured thermocouple normally is used to measure the temperature of closed container medium, might occur the problem that medium is revealed in the measuring process, and under the situation that temperature sensor seals fully; The testing staff can't discover the medium leak case, and this situation is breakneck.
The utility model content
The utility model purpose is to provide a kind of good airproof performance, the multi-point flexibly thermopair of convenient disassembly between each parts.
The utility model adopts following technical scheme:
A kind of multi-point flexibly thermopair comprises at least one temperature sensor, terminal box and temperature-measuring casing, is connected with compensating wire between the terminals in said temperature sensor and the said terminal box; It is characterized in that: said temperature sensor and said compensating wire between said temperature-measuring casing and the said terminal box are provided with distributed sealing mechanism outward.
Said sealing mechanism comprises the pliability web member, and said pliability web member is set in outside the said compensating wire.
Said sealing mechanism also comprises the first protection enclosure, and the said first protective cover cover is located at outside the said compensating wire between said terminal box and the adapter of said pliability.
Two ports of the said first protection enclosure are respectively equipped with the lining that sealing said compensating wire is wherein used, and two said linings have respectively and wear the through hole that said compensating wire is used.
Said sealing mechanism also comprises the second protection enclosure, the said second protective cover cover be located at that said pliability is taken over and said temperature-measuring casing between the top of said compensating wire and said temperature sensor outside.
The top of the said second protection enclosure is provided with the lining that sealing said compensating wire and said temperature sensor wherein used, and said lining has and wears the through hole that said compensating wire is used.
Be distributed with a plurality of through holes respectively on the sidewall of the said first protection enclosure and the said second protection enclosure.
Also comprise the locating device that the dispersion spacing between fixing each said temperature sensor is used, said locating device is located between the said second protection enclosure and the said temperature-measuring casing.
Said locating device is the flange that offers some through holes, and a said through hole is through a said temperature sensor.
Said through hole is a stepped hole, is arranged with joint and nut on each said temperature sensor, and the macropore sealing welding on said joint bottom and said stepped hole top is provided with the cutting ferrule that seals usefulness between said joint and the said nut.
The sidewall of said locating device is provided with suspension ring.
Be equipped with joint pin between the lining at the said first protection enclosure two ends and between the lining on the said second protection enclosure top and the said locating device.
Said terminal box comprises a plurality of intake interfaces, and the distribution of each said intake interface is corresponding with the distribution of each said temperature sensor, and each said intake interface is through a said compensating wire.
Said terminal box is provided with lid, and said lid is connected with said terminal box through hinge.
The inboard peripheric surface of said lid is provided with waterproof grommet.
Said lid is provided with the unlocking apparatus that the said terminal box of folding is used.
Be respectively equipped with the packing seal circle in the said intake interface on the said terminal box and the inner chamber of electric interfaces.
The technique effect of the utility model is:
Because the utility model has utilized pliability bindiny mechanism and the protection enclosure that temperature sensor and the compensating wire that is connected temperature sensor have been carried out dispersion and has sealed; The sealing performance is not second to traditional all-in-one-piece sealing effectiveness; Importantly; Mostly be to connect between each parts, therefore improved the convenience of dismantling between each parts through bolt fastener.In addition, traditional integral sealing mode cost is higher, and the employed pliability of the utility model bindiny mechanism is lower with protection enclosure cost, is more conducive to apply.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the utility model;
Fig. 2 is the vertical view of flange among Fig. 1;
Fig. 3 is the A-A cut-open view among Fig. 2;
Fig. 4 is the vertical view after terminal box goes to cover among Fig. 1;
Fig. 5 is the side view of the intake interface side of terminal box among Fig. 4;
Fig. 6 is the lid synoptic diagram of terminal box among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further explain, but not as the qualification to the utility model.
As shown in Figure 1; The utility model comprises thermometric device and temperature-measuring casing, and wherein, the thermometric device comprises at least one temperature sensor 10; Disperse between each temperature sensor 10 to be provided with; And stagger each other between the measurement point of each temperature sensor 10, stretch into such as in the equipment such as reactor, regenerator and heating furnace, with the temperature of the point of measuring differing heights and orientation.The other end of each temperature sensor 10 is connected to the terminals 31 of terminal box 30 respectively through compensating wire 20, by terminals 31 detected temperature signal is exported.In the present embodiment, what temperature sensor 10 adopted is the flexible armoring thermopair, and its diameter specifications can be selected according to actual conditions, and the measure dot number of every flexible armoring thermopair is divided into two kinds of single-point or two points.What compensating wire 20 adopted is waterproof shielding compensating wire, and compensating wire 20 not only can reduce cost of products, and can also compensate the error that temperature variation produced with temperature sensor 10 junctions.Because temperature-measuring casing is existing device, be installed in the bottom of temperature sensor 10 during thermometric, the measure portion of temperature sensor 10 is sealed fully, therefore in Fig. 1, do not show.
Be provided with distributed sealing mechanism outside temperature sensor 10 between temperature-measuring casing and the terminal box 30 and the compensating wire 20.Sealing mechanism comprises pliability web member 40, and it is set in outside the compensating wire 20.When the bending of compensating wire 20, pliability web member 40 can be set in the crooked place outer (as shown in Figure 1) of compensating wire 20.Use the reason of pliability web member 40 to be: it not only has the advantage that the life-span is long, solid and thermometric is stable, but also has flexible characteristic.In the present embodiment, what the pliability web member adopted is that pliability is taken over, and it is fixed that its length is come with site space, and length does not have limitation.
Sealing mechanism also comprises the first protection enclosure 50 and the second protection enclosure 60; The first protection enclosure 50 is located at terminal box 30 and pliability and takes over outside the compensating wire 20 between 40, the second protection enclosure 60 be located at pliability take over 40 and temperature-measuring casing between the top of compensating wire 20 and temperature sensor 10 outside.Wherein, be distributed with a plurality of through holes 51,61 respectively on the sidewall of the first protection enclosure 50 and the second protection enclosure 60, be respectively applied for testing medium leak case in first, second protection enclosure 50,60 of monitoring.Through hole 51,61 shapes can be round or squares.In the present embodiment, the volume of the first protection enclosure 50 is 0.004 cubic metre, has 30 through holes evenly to distribute, and center distance is listed as to 40 millimeters between the adjacent two through hole 51, and row is to 30 millimeters.The volume of second protective cover 60 is 0.01 cubic metre, has 72 through holes evenly to distribute, and center distance is listed as to 40 millimeters between the adjacent two through hole 61, and row is to 30 millimeters.
The left port of the first protection enclosure 50 and right output port (left side shown in Fig. 1 and right) are fixed with left lining 52 and right lining 53 through bolt fastener respectively; Left side lining 52 and right lining 53 are used for sealing the compensating wire 20 of the first protection enclosure 50, and left lining 52 has the through hole that is used to wear compensating wire 20 respectively with right lining 53.Left side lining 52 is weldingly fixed on the sidewall of terminal box 30, and right lining 53 is connected through an end of joint 41 and pliability adapter 40.Be fixed with a plurality of joint sleeves 54 between left side lining 52 and the right lining 53, what this joint sleeve 54 adopted is six prismatics, and joint sleeve 54 runs through right lining 53.King-size bolt connection piece inserts such as king-size outer-hexagonal bolt 55 in the endoporus of joint sleeves 54 until withstanding on the left lining 52, and through nut and fasten, thereby the effect of the balance of playing, the supporting first protection enclosure 50.
Be provided with locating device 70 between the second protection enclosure 60 and the temperature-measuring casing, this locating device 70 is used for fixing the dispersion spacing between each temperature sensor 10.And the top of the second protection enclosure 60 is provided with locating sleeve 62, is fixed with a plurality of joint sleeves 63 between locating sleeve 62 and the locating device 70, and what joint sleeve 63 adopted equally is six prismatics, and joint sleeve 63 runs through locating sleeve 62.Equally, king-size bolt connection piece inserts like: king-size outer-hexagonal bolt 64 in the endoporus of joint sleeves 63 until locating device 70, and through nut and fasten, thereby the effect of the balance of playing, the supporting second protection enclosure 60.Locating sleeve 62 is connected through the other end of joint 42 and pliability adapter 40.The lower end of the second protection enclosure 60 is fixed on the sidewall of locating device 70 through securing member.
Shown in Fig. 2-3, in the foregoing description, what locating device 70 adopted is the instrument flange, offers some through holes 71 on the locating device 70, and each through hole 71 passes a temperature sensor 10.Single locating device 70 can be installed nearly 36 temperature sensors 10, and single temperature sensor 10 dismounting and change are easy, and the adjustable length of each temperature sensor 10.As shown in Figure 1, what through hole 71 adopted is stepped hole, stretches into temperature sensor 10 outer joint 72 and the nuts 73 of being arranged with in the internal thread of through hole 71, and the upper end screw thread coupling nut 73 of joint 72 is welded in the macropore sealing on the lower end of joint 72 and through hole 71 tops.Between joint 72 and nut 73, be provided with cutting ferrule 74; When tightening joint 72 with nut 73, the conical surface of the cutting ferrule 74 between can making it is adjacent to the periphery wall of temperature sensor 10, reaches the effect of secondary seal; Thereby provide sealing property good, and then guaranteed every thermopair dielectric voltage withstand characteristic.
Like Fig. 2, shown in Figure 3, on the sidewall of locating device 70, offer screw 75, can be used to install suspension ring 76, using as handle, so the utility model has anchor point when installing, and is easy for installation.Spaced apartly near the edge of locating device 70 be provided with some screws 77,78, wherein screw 77 is used for connection device flange (not shown), and vessel flange is connected with temperature-measuring casing, and screw 78 is used for the insertion of joint sleeve 63 bottoms.
Like Fig. 1, Fig. 4 and shown in Figure 5; Offer some through holes on one sidewall of the terminal box 30 at lining 52 places, a left side; Each through hole is through the fixing intake interface 32 of the mode of set nut or welding; The distribution of intake interface 32 is corresponding with the through hole 71 on the locating device 70, and each intake interface 32 passes a compensating wire 20.The inner chamber of intake interface 32 is installed packing seal circle 33, and the external diameter of the aperture of packing seal 33 and compensating wire 20 is complementary.Hold-down bolt 34 is inserted in compensating wire 20 backs and is threaded with intake interface 32.In the present embodiment, the quantity of intake interface 32 can have 1-36, and it does not quantitatively have limitation, decides according to user's request for utilization.
Shown in Fig. 1, Fig. 4-6, in the terminal box 30, be provided with terminals in it base plate 35 (as shown in Figure 1) is installed, guide rail 36 is connected terminals base plate 35 tops is installed, and terminals 31 insert in the guide rail 36.Web member between terminal box 30 and the lid 37 thereof can adopt hinge, also can adopt other web member, opens and closes rotation all comparatively flexibly as long as guarantee terminal box 30 and lid 37.Also be provided with unlocking apparatus 38 on the connector cover 37, utilize key just can open unlocking apparatus 38, broken through original being threaded, operating personnel are easily opened, execute-in-place.
Like Fig. 1, shown in Figure 4, in the foregoing description, the another side of terminal box 30 is provided with electric interfaces 39, is provided with in the inner chamber of electric interfaces 39 packing seal circle 310 is installed.In the present embodiment, the quantity of electric interfaces 39 can be 1-36, and it does not quantitatively have limitation, decides according to user's request for utilization.The bottom of terminal box 30 is provided with 4 fixed supports 311, and fixed support 311 makes the product after the installation have a supporting equilibrium point.When mounted, but optional position suspension, such as: vertical or horizontally all can.Electric interfaces 39 cable splice 90 that has been threaded.Connector cover 37 inboard peripheric surfaces are provided with waterproof grommet, thereby can make terminal box 30 and connector cover 37 reach waterproof sealing.Wherein, cable splice 90 cable and the thread size correspondence table on the electric interfaces 39 of being installed is following:
| Corresponding screw thread | The permission cable is maximum |
| M20×1.5 | ￠7～￠10 |
| G1/2?NPT1/.2 | ￠7～￠10 |
| G3/4?NPT3/4 | ￠10～￠14 |
| G1”?NPT1” | ￠12～￠18 |
| G11/4?NPT11/4 | ￠18～￠30 |
| G11/2?NPT11/2 | ￠18～￠30 |
| G2”?NPT2” | ￠30～￠48 |
Among above-mentioned each embodiment, every temperature sensor 10 respectively with the joint of compensating wire 20 by 21 sealings (as shown in Figure 1) of encapsulating cover, overlap 21 places at encapsulating and pour into electric insulating sealant, make product reach insulation characterisitic.Because it is many that temperature survey is counted, wiring for ease is arranged with Digital ID sign indicating number 22 outside compensating wire 20.
When the utility model uses, at first, be fixedly connected a sleeve pipe, make locating device 70 following temperature sensors 10 all be in the temperature-measuring casing in locating device 70 bottoms; Then, the temperature-measuring casing that connects is stretched into such as in the equipment such as reactor, regenerator and heating furnace,, and measured temperature exported from cable splice 90 with the temperature of the multiple spot of measuring differing heights and orientation.
It should be noted that; The above is merely the preferred embodiment of the utility model; Be not so limit the scope of patent protection of the utility model, the utility model can also carry out the improvement of material and structure to the structure of above-mentioned various parts, or employing technical equivalents thing is replaced.So the instructions of all utilization the utility model and the equivalent structure that diagramatic content is done change, or directly or indirectly apply to other correlative technology fields and all in like manner all be contained in the scope that the utility model contains.
Claims (17)
1. a multi-point flexibly thermopair comprises at least one temperature sensor, terminal box and temperature-measuring casing, is connected with compensating wire between the terminals in said temperature sensor and the said terminal box; It is characterized in that: said temperature sensor and said compensating wire between said temperature-measuring casing and the said terminal box are provided with distributed sealing mechanism outward.
2. multi-point flexibly thermopair as claimed in claim 1 is characterized in that: said sealing mechanism comprises the pliability web member, and said pliability web member is set in outside the said compensating wire.
3. multi-point flexibly thermopair as claimed in claim 2 is characterized in that: said sealing mechanism also comprises the first protection enclosure, and the said first protective cover cover is located at outside the said compensating wire between said terminal box and the adapter of said pliability.
4. multi-point flexibly thermopair as claimed in claim 3 is characterized in that: two ports of the said first protection enclosure are respectively equipped with the lining that sealing said compensating wire is wherein used, and two said linings have respectively and wear the through hole that said compensating wire is used.
5. multi-point flexibly thermopair as claimed in claim 3; It is characterized in that: said sealing mechanism also comprises the second protection enclosure, the said second protective cover cover be located at that said pliability is taken over and said temperature-measuring casing between the top of said compensating wire and said temperature sensor outside.
6. multi-point flexibly thermopair as claimed in claim 5 is characterized in that: the top of the said second protection enclosure is provided with the lining that sealing said compensating wire and said temperature sensor wherein used, and said lining has and wears the through hole that said compensating wire is used.
7. multi-point flexibly thermopair as claimed in claim 6 is characterized in that: be distributed with a plurality of through holes respectively on the sidewall of the said first protection enclosure and the said second protection enclosure.
8. like each described multi-point flexibly thermopair among the claim 1-7; It is characterized in that: also comprise the locating device that the dispersion spacing between fixing each said temperature sensor is used, said locating device is located between the said second protection enclosure and the said temperature-measuring casing.
9. multi-point flexibly thermopair as claimed in claim 8 is characterized in that: said locating device is the flange that offers some through holes, and a said through hole is through a said temperature sensor.
10. multi-point flexibly thermopair as claimed in claim 9; It is characterized in that: said through hole is a stepped hole; Be arranged with joint and nut on each said temperature sensor; The macropore sealing welding on said joint bottom and said stepped hole top is provided with the cutting ferrule that seals usefulness between said joint and the said nut.
11. multi-point flexibly thermopair as claimed in claim 10 is characterized in that: the sidewall of said locating device is provided with suspension ring.
12. multi-point flexibly thermopair as claimed in claim 11 is characterized in that: be equipped with joint pin between the lining at the said first protection enclosure two ends and between the lining on the said second protection enclosure top and the said locating device.
13. multi-point flexibly thermopair as claimed in claim 12; It is characterized in that: said terminal box comprises a plurality of intake interfaces; The distribution of each said intake interface is corresponding with the distribution of each said temperature sensor, and each said intake interface is through a said compensating wire.
14. multi-point flexibly thermopair as claimed in claim 13 is characterized in that: said terminal box is provided with lid, said lid is connected with said terminal box through hinge.
15. multi-point flexibly thermopair as claimed in claim 14 is characterized in that: the inboard peripheric surface of said lid is provided with waterproof grommet.
16. multi-point flexibly thermopair as claimed in claim 15 is characterized in that: said lid is provided with the unlocking apparatus that the said terminal box of folding is used.
17. multi-point flexibly thermopair as claimed in claim 16 is characterized in that: be respectively equipped with the packing seal circle in the said intake interface on the said terminal box and the inner chamber of electric interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201710288U CN202547811U (en) | 2012-04-20 | 2012-04-20 | Multipoint flexible thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201710288U CN202547811U (en) | 2012-04-20 | 2012-04-20 | Multipoint flexible thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202547811U true CN202547811U (en) | 2012-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201710288U Withdrawn - After Issue CN202547811U (en) | 2012-04-20 | 2012-04-20 | Multipoint flexible thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202547811U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607730A (en) * | 2012-04-20 | 2012-07-25 | 吴方立 | Multipoint flexible thermocouple |
| CN104198070A (en) * | 2014-08-26 | 2014-12-10 | 安徽蓝德仪表有限公司 | Detachable thermocouple |
-
2012
- 2012-04-20 CN CN2012201710288U patent/CN202547811U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607730A (en) * | 2012-04-20 | 2012-07-25 | 吴方立 | Multipoint flexible thermocouple |
| CN102607730B (en) * | 2012-04-20 | 2014-04-09 | 吴方立 | Multipoint flexible thermocouple |
| CN104198070A (en) * | 2014-08-26 | 2014-12-10 | 安徽蓝德仪表有限公司 | Detachable thermocouple |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LUNTE ELECTRONIC INSTRUMENT CO., LTD., LEQING CITY Effective date: 20131030 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Jiate Inventor after: Wu Fangli Inventor after: Chen Jing Inventor after: Mei Tianyun Inventor after: Wang Guorong Inventor after: Kang Xin Inventor after: Xu Chaoyi Inventor after: Ma Yu Inventor before: Wu Jiate Inventor before: Wu Fangli Inventor before: Chen Jing Inventor before: Mei Tianyun Inventor before: Huang Man Inventor before: Wang Guorong Inventor before: Kang Xin Inventor before: Xu Chaoyi Inventor before: Ma Yu |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WU JIATE WU FANGLI CHEN JING MEI TIANYUN HUANG MAN WANG GUORONG KANG XIN XU CHAOYI MA YU TO: WU JIATE WU FANGLI CHEN JING MEI TIANYUN WANG GUORONG KANG XIN XU CHAOYI MA YU |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131030 Address after: 325608, E-1, West Industrial Zone, Hongqiao Town, Wenzhou, Zhejiang, Yueqing Patentee after: Wu Fangli Patentee after: LONDER ELECTRONICS & INSTRUMENT Address before: 325608, E-1, West Industrial Zone, Hongqiao Town, Wenzhou, Zhejiang, Yueqing Patentee before: Wu Fangli |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20121121 Effective date of abandoning: 20140409 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20121121 Effective date of abandoning: 20140409 |
|
| RGAV | Abandon patent right to avoid regrant |