CN207019810U - A kind of turbine airborne measurements bearing shell is popped one's head in miniature RTD - Google Patents
A kind of turbine airborne measurements bearing shell is popped one's head in miniature RTD Download PDFInfo
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- CN207019810U CN207019810U CN201720656221.3U CN201720656221U CN207019810U CN 207019810 U CN207019810 U CN 207019810U CN 201720656221 U CN201720656221 U CN 201720656221U CN 207019810 U CN207019810 U CN 207019810U
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- signal conductor
- resistance thermometer
- turbine
- thermometer clement
- popped
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Abstract
The utility model discloses a kind of turbine airborne measurements bearing shell to be popped one's head in miniature RTD, including resistance thermometer clement, protection sleeve pipe, signal conductor I and signal conductor II；The resistance thermometer clement is placed in the protection sleeve pipe; one end of the signal conductor I is placed in protection sleeve pipe and electrically connected with the pin of the resistance thermometer clement; the other end of the signal conductor I electrically connects with one end of the signal conductor II; epoxide-resin glue is equipped between the resistance thermometer clement and the protection sleeve pipe, resistance thermometer clement sealing is fixed in the protection sleeve pipe by the epoxide-resin glue.RTD probe has higher bonding strength and water resistance.
Description
Technical field
A kind of turbine airborne measurements bearing shell is the utility model is related to be popped one's head in miniature RTD.
Background technology
Resistance probe is widely used in the various temperature surveys in industry, is especially used in as compressor, steam turbine, turbine
In bearing bush temperature measurement on the turbine such as machine and expanding machine.Due to the limitation of the working environment of turbine bearing shell, it usually needs
Resistance probe has less volume and higher water resistance, and existing Resistance probe generally comprises resistance thermometer clement, protection
Sleeve pipe and signal conductor, resistance thermometer clement are placed in protection sleeve pipe, and are sealed by conventional seals glue, due to its bonding strength
It is not high so that Resistance probe in use easily because twisting or pull and cause sealing property to be deteriorated so that Resistance probe
It can reduce.
The content of the invention
In view of defects in the prior art, the purpose of this utility model is to provide a kind of turbine airborne measurements bearing shell with micro-
Type RTD is popped one's head in, and its thermometric end is not easy to be damaged with stronger bonding strength and with higher water resistance.
To achieve these goals, the technical solution of the utility model：
A kind of turbine airborne measurements bearing shell is popped one's head in miniature RTD, including resistance thermometer clement, protection sleeve pipe, signal conductor
I and signal conductor II；The resistance thermometer clement is placed in the protection sleeve pipe, and one end of the signal conductor I is placed in described
Electrically connected in protection sleeve pipe and with the pin of the resistance thermometer clement, the other end and the signal conductor of the signal conductor I
II one end electrical connection, is equipped with epoxide-resin glue, the epoxide-resin glue between the resistance thermometer clement and the protection sleeve pipe
Resistance thermometer clement sealing is fixed in the protection sleeve pipe；
Further, twolayer firing shrinkage tube I, the resistance thermometer clement and connected letter are equipped with the resistance thermometer clement
The end of number wire I is placed in the twolayer firing shrinkage tube I, the oversheath lower end of the twolayer firing shrinkage tube I and the signal conductor I
The resistance thermometer clement is sealed in the twolayer firing shrinkage tube I by melting connection, the other end heating melting of the twolayer firing shrinkage tube I
It is interior；
Further, the protection sleeve pipe with the junction of the signal conductor I by crimp with the signal conductor I
It is fixedly connected；
Further, in addition to wire barrel, the connection end of the signal conductor I and the signal conductor II are placed in described connect
In spool, fluid sealant is marked with the wire barrel, the fluid sealant is by the connection of the signal conductor I and the signal conductor II
End sealing is fixed in the wire barrel；
Further, the wire barrel includes an intervalve and two aluminium hydraulic pressed connecting pipes, one end point of described two aluminium hydraulic pressed connecting pipes
The both ends of the intervalve are not inserted, and described two aluminium hydraulic pressed connecting pipes are welded to connect with the intervalve respectively, described two aluminium hydraulic pressed connecting pipes
Crimped respectively with the signal conductor I and the signal conductor II；
Further, the wire barrel is connected one end with the signal conductor II and is also equipped with heat-shrink tube II, the heat-shrink tube
II heating is fixed on the wire barrel and the junction of the signal conductor II；
Further, the resistance thermometer clement is film platinum resistor chip, each pin of the film platinum resistor chip with
The junction of the signal conductor I is equipped with heat-shrink tube；
Further, the resistance thermometer clement is film platinum resistor chip, each pin of the film platinum resistor chip with
The junction of the signal conductor I scribbles insulated paint；
Further, also it is equipped with the cavity that the protection sleeve pipe, the resistance thermometer clement and epoxide-resin glue are formed
Heat-conducting cream.
By using above-mentioned technical proposal, turbine airborne measurements bearing shell provided by the utility model is visited with miniature RTD
Head, have the advantages that：1st, by injecting epoxide-resin glue between resistance thermometer clement and protection sleeve pipe so that thermal resistance member
Part, which has to seal between protection sleeve pipe, to be fixed, and it has larger bonding strength and higher water resistance, is not easy to be damaged；
2nd, twolayer firing shrinkage tube is cased with resistance thermometer clement, one end of twolayer firing shrinkage tube connects with the oversheath melting of signal conductor I, separately
Heating one end melting seals resistance thermometer clement, and heat-shrink tube enhances the close of resistance thermometer clement with epoxide-resin glue collective effect
Envelope, insulating properties, improve the explosion-proof performance of RTD probe and pressure-resistant performance；3rd, protection sleeve pipe crimps with signal conductor I, can
Cause junction to loosen because twisting or pullling to avoid signal conductor I, improve the bonding strength of RTD probe, it is anti-to strengthen it
Protect performance；4th, Resistance probe also includes wire barrel, and fluid sealant, wire barrel both ends and signal conductor I and signal are injected in wire barrel
Wire II crimps respectively, can not only ensure the sealing of two lead wire terminals, at the same can also avoid between two wires due to
Pull or twist and cause loosening or destruction at 2 terminating wire points；5th, wire barrel and the junction of signal conductor II are fixed with pyrocondensation
Pipe, can prevent that wire is due to bending or twisting and damaged in junction；6th, resistance thermometer clement uses film platinum resistor chip, and
Resistance thermometer clement is cased with heat-shrink tube or scribbles insulated paint with the junction of signal conductor I, and it not only make it that Resistance probe thermometric end is small
Type, while resistance thermometer clement and extraneous insulating properties are added, improve the compressive resistance of Resistance probe；7th, protective case
The heat-transfer rate that heat-conducting cream improves probe is equipped with the cavity that pipe, resistance thermometer clement and epoxide-resin glue are formed, is caused simultaneously
Probe, which is heated evenly, improves temperature measurement accuracy.
Brief description of the drawings
Fig. 1 is the structure chart of miniature RTD probe of the present utility model；
Fig. 2 is the amplification view in A portions in Fig. 1；
Fig. 3 is the wire barrel structure chart of miniature RTD probe of the present utility model；
Fig. 4 is the wiring diagram of resistance thermometer clement and signal conductor I in miniature RTD probe of the present utility model.
In figure：1st, resistance thermometer clement, 2, protection sleeve pipe, 3, signal conductor I, 4, signal conductor II, 5, epoxide-resin glue, 6,
Wire barrel, 7, twolayer firing shrinkage tube I, 8, heat-shrink tube II, 9, heat-conducting cream, 61, intervalve, 62, aluminium hydraulic pressed connecting pipe, 63, hole for injecting glue.
Embodiment
As shown in figure 1, popped one's head in for turbine airborne measurements bearing shell of the present utility model with miniature RTD, including thermal resistance member
Part 1, protection sleeve pipe 2, signal conductor I 3 and signal conductor II 4.Preferably, resistance thermometer clement 1 is generally two panels film platinum electricity
Chip is hindered, two panels film platinum resistor chip head closure is placed in protection sleeve pipe 2, each pin and signal of film platinum resistor chip
The core difference laser welding of one end of wire I 3, signal conductor I 3 is the smaller and relatively soft wire of line footpath to meet RTD
Pop one's head in the requirement of conductive line bends radius when being installed in bearing shell, its connected mode is as shown in figure 4, one of film platinum resistor chip
Two cores of pin and signal conductor I 3 are (white, yellow；It is purple, blue) laser welding, another pin of film platinum resistor chip with
Another different core of signal conductor I 3 are (red；Orange) (color of core is only to facilitate carry out area during use for laser welding
Point, do not form the limitation to this patent).The end of resistance thermometer clement 1 and signal conductor I 3 is placed in protection sleeve pipe 2, thermoelectricity
Twolayer firing shrinkage tube I 7, the upper end of twolayer firing shrinkage tube I 7 and the oversheath heating melting connection of signal conductor I 3 are cased with resistance element 1,
Resistance thermometer clement 1 is sealed in I 7 after the lower end heating melting of twolayer firing shrinkage tube I 7, due to the outer wall material of twolayer firing shrinkage tube
For PTFE, stress elimination is provided wirning harness joint, plastics and sensing element and abrasionproof is protected；Inwall material is FEP, to water,
Vapour forms effective barrier together, protects temperature-sensing element and cable from the influence corroded and seeped water, adds resistance thermometer clement 1
Sealing property and explosion-proof performance.Heat-conducting cream 9 is injected with the lower end of protection sleeve pipe 2, heat-conducting cream 9 can be rapid simultaneously by ambient temperature
Uniformly it is delivered on resistance thermometer clement 1, to realize the quickly and accurately measurement to temperature.It is injected with the top of protection sleeve pipe 2
Resistance thermometer clement 1 and signal conductor I 3 are fixedly connected on protective case by epoxide-resin glue 5, the melting of the HTHP of epoxide-resin glue 5
In pipe 2.Due to there is higher intensity and water resistance after the melting cooling of epoxide-resin glue 5 so that resistance thermometer clement 1, which is fixed, to be connected
It is connected in protection sleeve pipe 2 and there is higher water resistance and explosion-proof performance.
Further, resistance thermometer clement 1 is film platinum resistor, and the pin of film platinum resistor is connected disposal with signal conductor I 3
There is heat-shrink tube or scribble insulated paint, each tie point is subjected to insulation processing respectively, improves the voltage endurance of resistance thermometer clement 1,
Probe is allowd to realize miniaturization simultaneously.
Further, as shown in Fig. 2 the upper end of protection sleeve pipe 2 is crimped with the junction of signal conductor I 3 by press-connection machine,
Typically being crimped using 16 pawl press-connection machines so that the upper port of protection sleeve pipe 2 is shunk to wrap the oversheath of signal conductor I 3, and
So that the oversheath of signal conductor I 3 produces certain plastic deformation, increase connecing between signal conductor I 3 and protection sleeve pipe 2 and power,
So as to prevent signal conductor I 3 because reverse or pull and caused by its company between resistance thermometer clement 1 or epoxide-resin glue 5
Connect service life that is damaged and reducing RTD probe.
Signal conductor II 4 has thicker line footpath and higher intensity, and it is used for signal conductor I 3 and extraneous pick-up
Device is connected by binding post.The core in core difference signal conductor I 3 in signal conductor II 4 is used in combination by laser welding
Heat-shrink tube wraps each core after laser welding, and its connection end is placed in wire barrel 6.Wire barrel 6 can be a tool
There is the metal tube of certain plasticity, the both ends of wire barrel 6 crimp connection, wire barrel 6 with signal conductor I 3 and signal conductor II 4 respectively
Tube wall on have hole for injecting glue 63 be used for fluid sealant is injected into wire barrel 6, fluid sealant can lead signal conductor I 3 and signal
The tie point of line II 4 has stronger bonding strength, is also act against the entrance of steam and dust, will not be because of to signal conductor
Torsion or pull and cause the destruction of tie point, while improve the insulating properties of tie point and pressure-resistant performance.Preferably, note
Glue hole 63 is two, can cause fluid sealant uniformly in the cavity full of wire barrel 6, and the connection for improving RTD probe is strong
Degree.When wire barrel is a metal tube, its have the advantages that it is simple in construction, easy for installation, but due to the line footpath of two signal conductors
Difference, easily cause the decrement difference at the both ends of wire barrel 6 and form different stress influence service life.
Preferably, as shown in figure 3, wire barrel 6 includes an intervalve 61 and two aluminium hydraulic pressed connecting pipes 62, two aluminium hydraulic pressed connecting pipes 62
One end is inserted in intervalve 61 and welded with it respectively.The internal diameter of aluminium hydraulic pressed connecting pipe 62 is close with the line footpath of two signal conductors respectively,
The connection end of two signal conductors is placed in intervalve 61, and aluminium hydraulic pressed connecting pipe 62 crimps connection with two signal conductors respectively, in intervalve 61
It is upper that there are one or more hole for injecting glue 63, it is preferable that the quantity of hole for injecting glue 63 is two, is noted by hole for injecting glue 63 into intervalve 61
Enter fluid sealant with by the tie point fixing seal of signal conductor in intervalve 61.Use the structure not only with connecting tube for
Possessed beneficial effect during a piece metal tube, while two aluminium hydraulic pressed connecting pipes 62 can also be made to be respectively provided with less deformation, so as to improve
The service life of RTD probe.
Further, heat-shrink tube 8 is also equipped with one end that wire barrel 6 is connected with signal conductor II 4, after heat-shrink tube 8 heats
Be fixed on the junction of wire barrel 6 and signal conductor II 4, can prevent the coupling part of signal conductor II 4 and wire barrel 6 due to
Bending or twisting and the breakage for causing the oversheath of signal conductor.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its inventive concept is subject to equivalent substitution or change, should all cover the scope of protection of the utility model it
It is interior.
Claims (7)
1. a kind of turbine airborne measurements bearing shell is popped one's head in miniature RTD, including resistance thermometer clement (1), protection sleeve pipe (2), signal
Wire I (3) and signal conductor II (4)；The resistance thermometer clement (1) is placed in the protection sleeve pipe (2), the signal conductor
One end of I (3) is placed in the protection sleeve pipe (2) and electrically connected with the pin of the resistance thermometer clement (1), the signal conductor
The other end of I (3) electrically connects with one end of the signal conductor II (4), the resistance thermometer clement (1) and the protection sleeve pipe
(2) epoxide-resin glue (5) is equipped between, the resistance thermometer clement (1) sealing is fixed on the guarantor by the epoxide-resin glue (5)
In protecting pipe (2), it is characterised in that：Also include wire barrel (6), the signal conductor I (3) and the signal conductor II (4)
Connection end is placed in the wire barrel (6), is marked with fluid sealant in the wire barrel (6), and the fluid sealant is by the signal conductor I
(3) it is fixed on the connection end sealing of the signal conductor II (4) in the wire barrel (6), the wire barrel (6) includes one
Intervalve (61) and two aluminium hydraulic pressed connecting pipes (62), one end of described two aluminium hydraulic pressed connecting pipes (62) insert the two of the intervalve (61) respectively
End, described two aluminium hydraulic pressed connecting pipes (62) are welded to connect with the intervalve (61) respectively, described two aluminium hydraulic pressed connecting pipes (62) respectively with institute
State signal conductor I (3) and the signal conductor II (4) crimping.
2. turbine airborne measurements bearing shell according to claim 1 is popped one's head in miniature RTD, it is characterised in that：The thermoelectricity
The end of twolayer firing shrinkage tube I (7), the resistance thermometer clement (1) and connected signal conductor I (3) is equipped with resistance element (1)
It is placed in the twolayer firing shrinkage tube I (7), the oversheath lower end of the twolayer firing shrinkage tube I (7) and the signal conductor I (3) melts
The resistance thermometer clement (1) is sealed in the double-deck pyrocondensation by connection, the other end heating melting of the twolayer firing shrinkage tube I (7)
In pipe I (7).
3. turbine airborne measurements bearing shell according to claim 1 or 2 is popped one's head in miniature RTD, it is characterised in that：It is described
Protection sleeve pipe (2) is being fixedly connected with the junction of the signal conductor I (3) by crimping with the signal conductor I (3).
4. turbine airborne measurements bearing shell according to claim 3 is popped one's head in miniature RTD, it is characterised in that：The wiring
Pipe (6) is connected one end with the signal conductor II (4) and is also equipped with heat-shrink tube II (8), and heat-shrink tube II (8) heating is fixed on institute
State wire barrel (6) and the signal conductor II (4) junction.
5. turbine airborne measurements bearing shell according to claim 1 is popped one's head in miniature RTD, it is characterised in that：The thermoelectricity
Resistance element (1) is film platinum resistor chip, each pin of the film platinum resistor chip and the connection of the signal conductor I (3)
Place is equipped with heat-shrink tube.
6. turbine airborne measurements bearing shell according to claim 1 is popped one's head in miniature RTD, it is characterised in that：The thermoelectricity
Resistance element (1) is film platinum resistor chip, and the junction of each pin of the film platinum resistor chip and the signal conductor I applies
There is insulated paint.
7. turbine airborne measurements bearing shell according to claim 1 is popped one's head in miniature RTD, it is characterised in that：In the guarantor
Heat-conducting cream (9) is also equipped with the cavity that protecting pipe (2), the resistance thermometer clement (1) and epoxide-resin glue (5) are formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720656221.3U CN207019810U (en) | 2017-06-07 | 2017-06-07 | A kind of turbine airborne measurements bearing shell is popped one's head in miniature RTD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720656221.3U CN207019810U (en) | 2017-06-07 | 2017-06-07 | A kind of turbine airborne measurements bearing shell is popped one's head in miniature RTD |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207019810U true CN207019810U (en) | 2018-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720656221.3U Active CN207019810U (en) | 2017-06-07 | 2017-06-07 | A kind of turbine airborne measurements bearing shell is popped one's head in miniature RTD |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207019810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854974A (en) * | 2017-11-30 | 2019-06-07 | 松下知识产权经营株式会社 | Lighting device |
-
2017
- 2017-06-07 CN CN201720656221.3U patent/CN207019810U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854974A (en) * | 2017-11-30 | 2019-06-07 | 松下知识产权经营株式会社 | Lighting device |
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