CN209485561U - A kind of replaceable high life thermocouple - Google Patents
A kind of replaceable high life thermocouple Download PDFInfo
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- CN209485561U CN209485561U CN201920196813.0U CN201920196813U CN209485561U CN 209485561 U CN209485561 U CN 209485561U CN 201920196813 U CN201920196813 U CN 201920196813U CN 209485561 U CN209485561 U CN 209485561U
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- casing
- insulation tube
- fastener
- high life
- conducting wire
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Abstract
The utility model provides a kind of replaceable high life thermocouple, including terminal box and insulation tube, and insulation tube is arranged below terminal box, and insulation tube is equipped with the ring flange for installing thermocouple, is equipped with thermode in insulation tube, further includes casing；Casing is open at one end, other end closing, and is socketed on insulation tube from the slide-in of the measurement end of insulation tube；Casing is equipped with the first fastener, and ring flange is equipped with the second fastener, and casing is detachably connected by the cooperation clamping of the first fastener and the second fastener with ring flange；Casing is used to that insulation tube to be replaced to be corroded to extend the service life of thermocouple；It is equipped with detection conducting wire in the tube wall of casing, is provided with threading hole on ring flange, the connecting pin for detecting conducting wire passes through threading hole and connect with detecting instrument；When the tube wall of casing is corroded, detection conducting wire can be exposed, when detection conducting wire, which is corroded, to be broken, staff can be notified to replace by detecting instrument, be corroded to avoid insulation tube.
Description
Technical field
The utility model relates to area of thermocouples, and in particular to a kind of replaceable high life thermocouple.
Background technique
Thermocouple is common temperature element in temperature measuring instrument, it directly measures temperature, and temperature signal is converted
At thermo-electromotive force signal, the temperature of measured medium is converted by electric meter.Normal pole due to needs of the shape of various thermocouples
It is not identical, but their basic structure is roughly the same, usually by main portions such as thermode, insulation sleeve protection pipe and terminal boxes
It is grouped as, and needs and display instrument, recording apparatus and electronic controller match.
Thermocouple in the prior art is generally only one layer of insulation tube of package outside thermode, and protection effect is poor, in length
In the use process of time, especially when measuring the temperature of some fluid media (medium)s, it is easy to cause because of long-term impact
Insulation pipe surface is corroded, to influence the service life of thermocouple, once and insulation tube be corroded and generally require to replace
Fall entire thermocouple, higher cost.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of replaceable high life thermocouple, mainly solves existing
The high problem of replacement cost after having electric thermo-couple insulated tube in technology easy to wear and damage.
A kind of replaceable high life thermocouple, including terminal box and insulation tube, insulation tube are arranged below terminal box, insulation
Pipe is equipped with the ring flange for installing thermocouple, is equipped with thermode in insulation tube, it is characterised in that: further include casing；
Casing is open at one end, other end closing, and is socketed on insulation tube from the slide-in of the measurement end of insulation tube；It is set on casing
There is the first fastener, ring flange is equipped with the second fastener, and casing is clamped by the cooperation of the first fastener and the second fastener
It is detachably connected with ring flange；
It is equipped with detection conducting wire in the tube wall of casing, is provided with threading hole on ring flange, the connecting pin for detecting conducting wire passes through threading
Hole is connect with detecting instrument, and detection conducting wire is used to detect the abrasion condition of casing.
Preferably, the measurement end of the closed end of casing and insulation tube against.
Preferably, it is equipped with multilayer enhancement layer along its axis on the inner peripheral surface of casing, includes multiple around it in every layer of enhancement layer
The circumferentially distributed reinforcer of axis, reinforcer stick on insulation tube.
Preferably, reinforcer includes connecting rod and Elastic clamping plate, and Elastic clamping plate is parallel to the axis arrangement of insulation tube, connecting rod one
End is fixedly connected with casing, and the other end is fixedly connected with Elastic clamping plate.
Preferably, Elastic clamping plate and insulation tube against surface be arc surface, the center of circle is located on the axis of insulation tube.
Preferably, the end face of Elastic clamping plate is equipped with guide plate, and guide plate is along the axis of insulation tube gradually to casing
Tube wall inclination.
It preferably, is tapered surface close to the surface of insulation tube on guide plate, the axis of tapered surface and the axis of insulation tube are total
Line.
Preferably, the first fastener includes the first button block；Second fastener includes support plate and the second button block, the second button block
Support plate is set on the surface of casing；First button block and the second button block are the arc block that cross-sectional shape is semicircle.
Preferably, detection conducting wire coiled coil is arranged in the tube wall of casing.
Compared to the prior art, the utility model has the beneficial effects that:
1, a kind of replaceable high life thermocouple is provided, which is provided with set in the structure basis of existing thermocouple
Pipe, casing are socketed on insulation tube, and casing is detachably clamped with the ring flange on insulation tube by buckle structure；It covers effective
It is corroded to extend the service life of thermocouple in replacement insulation tube, and casing is detachably connected with thermocouple, after being convenient for
Continuous installation and replacement；In addition, being equipped with detection conducting wire in the tube wall of casing, detection conducting wire can be connect with detecting instrument, be used for work
Make the corrosion condition of monitored by personnel's thermocouple；When the tube wall of casing is corroded, detection conducting wire can be gradually exposed, so that inspection
It surveys conducting wire to start to be corroded, when detection conducting wire, which is corroded, to be broken, can be notified by the detection data of detecting instrument exception
Staff replaces, and is corroded to avoid insulation tube；
2, it is equipped with multilayer enhancement layer along its axis on the inner peripheral surface of casing, includes multiple in every layer of enhancement layer around its axis week
To the reinforcer of distribution, reinforcer is sticked on insulation tube, in this way can reinforcing sleeve intensity, can be reduced during the installation process because
Casing deformation caused by mechanical external force.
Detailed description of the invention
Fig. 1 be the utility model proposes replaceable high life thermocouple overview；
Fig. 2 be the utility model proposes replaceable high life thermocouple cross-sectional view；
Fig. 3 is the topology view of ring flange in the utility model；
Fig. 4 is the topology view that conducting wire is detected in the utility model；
Fig. 5 is the topology view of reinforcer in the utility model；
Appended drawing reference is as follows:
1, terminal box；2, insulation tube；3, ring flange；31, mounting hole；32, threading hole；4, casing；5, the second button block；6,
One button block；7, reinforcer；71, connecting rod；72, Elastic clamping plate；73, guide plate；8, conducting wire is detected.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.Term
The orientation or state relation of the instructions such as "inner", "upper", "lower" are orientation based on the figure or state relation, merely to just
In description the utility model and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention；The specification of the utility model
It is to be used to distinguish similar objects with the term " first " in claims and above-mentioned attached drawing, " second " etc., without being used for
The specific sequence of description or precedence.It should be understood that the data used in this way are interchangeable under appropriate circumstances, so as to here
The embodiments of the present invention of description.
A kind of replaceable high life thermocouple as shown in Figs. 1-5, including terminal box 1 and insulation tube 2, insulation tube 2 are arranged
Below terminal box 1, insulation tube 2 is equipped with the ring flange 3 for installing thermocouple, is equipped with thermode in insulation tube 2, further includes
Casing 4；
Casing 4 is open at one end, other end closing, and is socketed on insulation tube 2 from the slide-in of the measurement end of insulation tube 2；Casing 4
It is equipped with the first fastener, ring flange 3 is equipped with the second fastener, and casing 4 is matched by the first fastener and the second fastener
Clamping is closed to be detachably connected with ring flange 3；
It is equipped with detection conducting wire 8 in the tube wall of casing 4, threading hole 32 is provided on ring flange 3, the connecting pin of detection conducting wire 8 is worn
It crosses threading hole 32 to connect with detecting instrument, detection conducting wire 8 is used to detect the abrasion condition of casing 4.
Thermocouple in the prior art is generally only one layer of insulation tube 2 of package outside thermode, and protection effect is poor, in length
In the use process of time, especially when measuring the temperature of some fluid media (medium)s, it is easy to cause because of long-term impact
2 surface of insulation tube is corroded, to influence the service life of thermocouple, once and insulation tube 2 be corroded and generally require more
Change entire thermocouple, higher cost.
The present embodiment is directed to this problem, provides a kind of replaceable high life thermocouple, the device is in existing thermocouple
Structure basis on be provided with casing 4, casing 4 is socketed on insulation tube 2, and the ring flange 3 on casing 4 and insulation tube 2 is logical
Buckle structure is crossed detachably to be clamped；Casing 4 is used to that insulation tube 2 to be replaced to be corroded to extend the service life of thermocouple, and
Casing 4 is detachably connected with thermocouple, is convenient for subsequent installation and replacement；In addition, detection conducting wire 8 is equipped in the tube wall of casing 4,
Detection conducting wire 8 can be connect with detecting instrument, the corrosion condition for personnel monitoring's thermocouple；When the tube wall of casing 4 is rotten
When erosion, detection conducting wire 8 can be gradually exposed, so that detection conducting wire 8 starts to be corroded, when detection conducting wire 8 is corroded fracture
When, staff can be notified to replace by the detection data of detecting instrument exception, be corroded to avoid insulation tube 2.
As shown in Figures 2 and 3, the first fastener includes the first button block 6 for further specific setting；Second fastener includes
Support plate is arranged on the surface of casing 4 in support plate and the second button block 5, the second button block 5；In the present embodiment, 6 He of the first button block
Second button block 5 is the arc block that cross-sectional shape is semicircle, and wherein support plate has elasticity, is circumferentially with four on ring flange 3
The second button block of group；During installation, the first button block 6 can be with the second button block 5 first against tangent, then gradually outwardly against the second button block
5 make support plate that elastic deformation occur, and then the second button block 5 reset is snapped together with the first button block 6.
In addition, can be there are many form about how detection conducting wire 8 is specifically arranged in casing 4, such as it can be with coiled coil
Setting, can also be with wave around the circumferential setting of casing 4, as long as can play the role of detecting 4 abrasion condition of casing in casing 4
, it is arranged in the present embodiment using coiled coil, can is warning lamp or buzzer etc. as detecting instrument, not do specific
Limitation.
In the present embodiment, the closed end of casing 4 and the measurement end of insulation tube 2 are against purpose is for conducting heat, to reduce measurement
Error.
In the present embodiment, for the intensity of reinforcing sleeve 4, as shown in figure 5, being equipped on the inner peripheral surface of casing 4 along its axis
Multilayer enhancement layer, interior every layer of enhancement layer includes multiple reinforcers 7 circumferentially distributed around its axis, and reinforcer 7 sticks on insulation tube 2
On, so during the installation process, casing 4 caused by can reducing because of mechanical external force deforms.
Further, reinforcer 7 includes connecting rod 71 and Elastic clamping plate 72, and Elastic clamping plate 72 is parallel to the axis of insulation tube 2
Arrangement, 71 one end of connecting rod are fixedly connected with casing 4, and the other end is fixedly connected with Elastic clamping plate 72；In order to increase Elastic clamping plate 72
With the contact area of insulation tube 2, Elastic clamping plate 72 and insulation tube 2 against surface be arc surface, the center of circle is located at insulation tube 2
On axis；In addition, the end face of Elastic clamping plate 72 is equipped with guide plate 73, guide plate 73 is along the axis of insulation tube 2 gradually to set
The tube wall of pipe 4 tilts, and the guide plate of setting can facilitate casing 4 to be plugged on insulation tube 2；Further, close on guide plate 73
The surface of insulation tube 2 is tapered surface, the axis of tapered surface and the axis collinear of insulation tube 2.
More than, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, according to the utility model
Technical solution and its utility model design be subject to equivalent substitution or change, should all cover the protection scope of the utility model it
It is interior.
Claims (9)
1. a kind of replaceable high life thermocouple, including terminal box (1) and insulation tube (2), insulation tube (2) is arranged in terminal box
(1) lower section, insulation tube (2) are equipped with the ring flange (3) for installing thermocouple, are equipped with thermode, feature in insulation tube (2)
It is: further includes casing (4)；
Casing (4) is open at one end, other end closing, and is socketed on insulation tube (2) from the slide-in of the measurement end of insulation tube (2)；Set
It manages (4) and is equipped with the first fastener, ring flange (3) is equipped with the second fastener, and casing (4) passes through the first fastener and the second card
The cooperation clamping of fastener is detachably connected with ring flange (3)；
It is equipped with detection conducting wire (8) in the tube wall of casing (4), is provided with threading hole (32) on ring flange (3), detects the company of conducting wire (8)
It connects end to connect across threading hole (32) with detecting instrument, detection conducting wire (8) is used to detect the abrasion condition of casing (4).
2. replaceable high life thermocouple according to claim 1, it is characterised in that: the closed end of casing (4) and insulation
Manage (2) measurement end against.
3. replaceable high life thermocouple according to claim 1, it is characterised in that: along it on the inner peripheral surface of casing (4)
Axis is equipped with multilayer enhancement layer, includes multiple reinforcers (7) circumferentially distributed around its axis, reinforcer (7) in every layer of enhancement layer
It sticks on insulation tube (2).
4. replaceable high life thermocouple according to claim 3, it is characterised in that: reinforcer (7) includes connecting rod (71)
With Elastic clamping plate (72), Elastic clamping plate (72) is parallel to the axis arrangement of insulation tube (2), and connecting rod (71) one end and casing (4) are solid
Fixed connection, the other end are fixedly connected with Elastic clamping plate (72).
5. replaceable high life thermocouple according to claim 4, it is characterised in that: Elastic clamping plate (72) and insulation tube
(2) against surface be arc surface, the center of circle is located on the axis of insulation tube (2).
6. replaceable high life thermocouple according to claim 4, it is characterised in that: set on the end face of Elastic clamping plate (72)
Have guide plate (73), guide plate (73) is gradually tilted to the tube wall of casing (4) along the axis of insulation tube (2).
7. replaceable high life thermocouple according to claim 6, it is characterised in that: close to insulation tube on guide plate (73)
(2) surface is tapered surface, the axis of tapered surface and the axis collinear of insulation tube (2).
8. replaceable high life thermocouple according to claim 1, it is characterised in that: the first fastener includes the first button block
(6)；Second fastener includes support plate and the second button block (5), and support plate is arranged close to the surface of casing (4) in the second button block (5)
On；First button block (6) and the second button block (5) are the arc block that cross-sectional shape is semicircle.
9. replaceable high life thermocouple according to claim 1, it is characterised in that: detection conducting wire (8) helical disk winding
It sets in the tube wall of casing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920196813.0U CN209485561U (en) | 2019-02-14 | 2019-02-14 | A kind of replaceable high life thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920196813.0U CN209485561U (en) | 2019-02-14 | 2019-02-14 | A kind of replaceable high life thermocouple |
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| Publication Number | Publication Date |
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| CN209485561U true CN209485561U (en) | 2019-10-11 |
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| CN201920196813.0U Active CN209485561U (en) | 2019-02-14 | 2019-02-14 | A kind of replaceable high life thermocouple |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752108A (en) * | 2019-02-14 | 2019-05-14 | 安徽天康(集团)股份有限公司 | A kind of replaceable high life thermocouple |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752108A (en) * | 2019-02-14 | 2019-05-14 | 安徽天康(集团)股份有限公司 | A kind of replaceable high life thermocouple |
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