CN204807229U - Large -scale hydraulic turbine axle bush temperature sensor - Google Patents
Large -scale hydraulic turbine axle bush temperature sensor Download PDFInfo
- Publication number
- CN204807229U CN204807229U CN201520475233.7U CN201520475233U CN204807229U CN 204807229 U CN204807229 U CN 204807229U CN 201520475233 U CN201520475233 U CN 201520475233U CN 204807229 U CN204807229 U CN 204807229U
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- China
- Prior art keywords
- protection tube
- open slot
- temperature sensor
- hollow metal
- water turbine
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Abstract
The utility model discloses a large -scale hydraulic turbine axle bush temperature sensor, including the protection tube, be equipped with temperature element in it, still be equipped with the open slot of fixing on the protection tube internal perisporium in the protection tube, placed the hollow metal ball in the open slot, be equipped with a connecting rod on the ball face of hollow metal ball, be equipped with a separation blade that lies in the open slot outside on the connecting rod, the open slot inner chamber is close to the opening part and is equipped with the dog, the opposite side of hollow metal ball is equipped with the stay cord, and the other end of stay cord is connected with the bulge loop of fixing on the protection tube internal perisporium, the protection tube intussuseption is filled with magnesium hydroxide particles, fixing bolt, fixing bolt welds on the protection tube, the terminal box, the pressing from both sides of lead wire that still is connected with the sealed temperature element of locking in the terminal box is overlapped. The utility model discloses a shock resistance is strong, and life is high, and stability is good, and the reliability is high, operation convenient to use.
Description
Technical field
The utility model relates to temperature sensor, particularly relates to large-sized water turbine unit bearing bush temperature sensor.
Background technology
Temperature sensor refers to can experience temperature and the sensor converting usable output signal to.Temperature sensor is the core of temperature measuring instrument, various in style.Contact and contactless two large classes can be divided into by metering system, be divided into thermal resistance and thermopair two class according to sensor material and electron component characteristic.
In the thermometric environment of large-sized water turbine unit, work condition environment is severe, and vibrations are frequent.Existing temperature element is easy to damage because of vibrations in such a case, mainly because protection tube can not provide effective antidetonation to protect to temperature element, causes the physical life of temperature element short.
Utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and provides a kind of large-sized water turbine unit bearing bush temperature sensor.
For achieving the above object, the large-sized water turbine unit bearing bush temperature sensor that the utility model provides, comprising:
Protection tube, is provided with temperature element in described protection tube; Also be provided with the open slot be fixed on protection tube internal perisporium in described protection tube, be placed with hollow metal sphere in described open slot, the Surface of Sphere of described hollow metal sphere is provided with a connecting rod, and described connecting rod is provided with one and is positioned at catch outside open slot; Described open slot inner chamber is provided with block near opening part; The opposite side of described hollow metal sphere is provided with stay cord, and the other end of described stay cord is connected with the bulge loop be fixed on described protection tube internal perisporium; Magnesium oxide particle is filled with in described protection tube;
Set bolt, described set bolt is welded on described protection tube;
Terminal box, is provided with the lead-in wire connecting temperature element and the cable introduced from outside, is also provided with the terminal block of lead-in wire and cable described in movable clamping in described terminal box in described terminal box; Described terminal box is also connected with the chuck of the lead-in wire of temperature element described in lock sealing; Described chuck appearance is provided with uneven surface.
Preferably, the bore of described catch is greater than the bore of open slot, and the distance on described catch and described hollow metal sphere top is less than the radial width of open slot.
Preferably, described block and described catch are that the permanent magnet of polar repulsion is made; The outside of described protection tube is provided with becket.
Preferably, the inside surface of described open slot is provided with heat-insulation layer.
Preferably, the surface coverage of described hollow metal sphere has rubber layer; The inside of described hollow metal sphere is filled with wood chip.
Preferably, the diameter of described magnesium oxide particle is 1 to 3 millimeter.
Preferably, described protection tube temperature element is film platinum resistor.
Preferably, described protection tube is stainless steel.
Preferably, described chuck is provided with pH meter.
The beneficial effects of the utility model are: repeatedly push filler particles by hollow metal sphere; the vibration energy of protection tube can be consumed fast; the shockproofness of Control protection pipe; and due in the cavity of the dynamic opening groove of filler particles and protection tube; avoid a large amount of filler particles to flow on a large scale in protection tube, be conducive to the stability promoting protection tube.Can be that electromagnetic energy discharges fast by the kinetic transformation on protection tube by the cooperation of block, catch, becket.Like this, the vibration frequency of protection tube just obtains effective control, and the probability that temperature element damages because of vibrations significantly reduces, and improves the physical life of temperature element.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of large-sized water turbine unit bearing bush temperature sensor one embodiment described in the utility model;
Fig. 2 is the partial enlarged drawing A of Fig. 1;
Wherein,
10, chuck;
20, terminal box;
30, terminal block;
40, set bolt;
50, protection tube;
511, open slot;
512, connecting rod;
513, catch;
514, hollow metal sphere;
515, block;
516, stay cord;
517, bulge loop.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
Referring to figs. 1 through the one-piece construction schematic diagram that Fig. 2, Fig. 1 are large-sized water turbine unit bearing bush temperature sensor one embodiments described in the utility model; Fig. 2 is the partial enlarged drawing A of Fig. 1.
Wherein, as Fig. 1, large-sized water turbine unit bearing bush temperature sensor described in the utility model comprises protection tube 50, described protection tube 50 internal perisporium is provided with several antishock devices, described antishock device is provided with the duct passed for temperature element, and described temperature element is placed in the described protection tube 50 of sealing; Wherein, described antishock device includes the open slot 511 be fixed on protection tube 50 internal perisporium, hollow metal sphere 514 is placed with in described open slot 511, the Surface of Sphere of described hollow metal sphere 514 is provided with a connecting rod 512, and described connecting rod 512 is provided with one and is positioned at catch 513 outside open slot 511; Described open slot 511 inner chamber is provided with some blocks 515 near opening part; The opposite side of described hollow metal sphere is provided with stay cord 516, and the other end of described stay cord 516 is connected with the bulge loop 517 be fixed on described protection tube 50 internal perisporium;
Set bolt 40, described set bolt 40 is welded on described protection tube 50;
Terminal box 20, is provided with the lead-in wire connecting temperature element and the cable introduced from outside, is also provided with the terminal block 30 of lead-in wire and cable described in movable clamping in described terminal box 20 in described terminal box 20; Described terminal box 20 is also connected with the chuck 10 of the lead-in wire of temperature element described in lock sealing; Described chuck 10 appearance is provided with uneven surface.Be convenient to install by arranging uneven surface.
As an embodiment of the present utility model, the bore of catch 513 is greater than the bore of open slot 511, and described catch 513 and the distance on hollow metal sphere 514 top are less than the radial width of open slot 511.
As an embodiment of the present utility model, described block 515 is made with the permanent magnet that described catch 513 is polar repulsion; The outside of described protection tube 50 is provided with becket.
As an embodiment of the present utility model, the inside surface of described open slot 511 is provided with heat-insulation layer.
As an embodiment of the present utility model, the surface coverage of described hollow metal sphere 514 has rubber layer (figure is not depending on going out); The inside of described hollow metal sphere 514 is filled with wood chip.
As an embodiment of the present utility model, the diameter of described magnesium oxide particle is 1 to 3 millimeter.
As an embodiment of the present utility model, described protection tube 50 temperature element is film platinum resistor.
As an embodiment of the present utility model, described protection tube 50 is stainless steel.
As an embodiment of the present utility model, described chuck 10 is provided with pH meter.
Described chuck 10, for temperature element lead-in wire lock sealing, realizes the sealing of temperature element IP68.When rear end wire disturbance, vibrations can not be delivered in the wiring of temperature element inside.
Described protection tube 50 is stainless steel, forms the cavity of a sealing, play a very good protection to Thermistor Temperature Measurement element such as film platinum resistor after machining, protection tube 50 welding edges.
Thermal resistance is arranged on equipment according to certain placed-depth by described set bolt 40.
Described terminal box 20, for the protection of the wiring of temperature element, plays mechanical protection and waterproofing protection.
Described chuck 10, for temperature element lead-in wire lock sealing, realizes the sealing of described more than temperature element IP6.Play temperature element in addition to go between the effect be locked.
Described terminal block 30, when anchor leg and cable, can adopt existing screw crimping structure or existing disk spring compressing structure.
In sum; repeatedly filler particles is pushed by hollow metal sphere 514; the vibration energy of protection tube 50 can be consumed fast; the shockproofness of Control protection pipe 50; and due in the cavity of the dynamic opening groove 511 of filler particles and protection tube 50; avoid a large amount of filler particles to flow on a large scale in protection tube 50, be conducive to the stability promoting protection tube 50.Can be that electromagnetic energy discharges fast by the kinetic transformation on protection tube 50 by the cooperation of block 515, catch 513, becket.Like this, the vibration frequency of protection tube 50 just obtains effective control, and the probability that temperature element damages because of vibrations significantly reduces, and improves the physical life of temperature element.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment when not departing from principle of the present utility model and aim, revising, replacing and modification in scope of the present utility model.
Claims (9)
1. a large-sized water turbine unit bearing bush temperature sensor, is characterized in that, comprise,
Protection tube, is provided with temperature element in described protection tube; Also be provided with the open slot be fixed on protection tube internal perisporium in described protection tube, be placed with hollow metal sphere in described open slot, the Surface of Sphere of described hollow metal sphere is provided with a connecting rod, and described connecting rod is provided with one and is positioned at catch outside open slot; Described open slot inner chamber is provided with block near opening part; The opposite side of described hollow metal sphere is provided with stay cord, and the other end of described stay cord is connected with the bulge loop be fixed on described protection tube internal perisporium; Magnesium oxide particle is filled with in described protection tube;
Set bolt, described set bolt is welded on described protection tube;
Terminal box, is provided with the lead-in wire connecting temperature element and the cable introduced from outside, is also provided with the terminal block of lead-in wire and cable described in movable clamping in described terminal box in described terminal box; Described terminal box is also connected with the chuck of the lead-in wire of temperature element described in lock sealing; Described chuck appearance is provided with uneven surface.
2. large-sized water turbine unit bearing bush temperature sensor according to claim 1, it is characterized in that, the bore of described catch is greater than the bore of open slot, and the distance on described catch and described hollow metal sphere top is less than the radial width of open slot.
3. large-sized water turbine unit bearing bush temperature sensor according to claim 1, is characterized in that, described block and described catch are that the permanent magnet of polar repulsion is made; The outside of described protection tube is provided with becket.
4. large-sized water turbine unit bearing bush temperature sensor according to claim 1, it is characterized in that, the inside surface of described open slot is provided with heat-insulation layer.
5. large-sized water turbine unit bearing bush temperature sensor according to claim 1, it is characterized in that, the surface coverage of described hollow metal sphere has rubber layer; The inside of described hollow metal sphere is filled with wood chip.
6. the large-sized water turbine unit bearing bush temperature sensor according to any one of claim 1, it is characterized in that, the diameter of described magnesium oxide particle is 1 to 3 millimeter.
7. the large-sized water turbine unit bearing bush temperature sensor according to any one of claim 1, it is characterized in that, described protection tube temperature element is film platinum resistor.
8. the large-sized water turbine unit bearing bush temperature sensor according to any one of claim 1, it is characterized in that, described protection tube is stainless steel.
9. the large-sized water turbine unit bearing bush temperature sensor according to any one of claim 1, it is characterized in that, described chuck is provided with pH meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520475233.7U CN204807229U (en) | 2015-06-30 | 2015-06-30 | Large -scale hydraulic turbine axle bush temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520475233.7U CN204807229U (en) | 2015-06-30 | 2015-06-30 | Large -scale hydraulic turbine axle bush temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204807229U true CN204807229U (en) | 2015-11-25 |
Family
ID=54592036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520475233.7U Expired - Fee Related CN204807229U (en) | 2015-06-30 | 2015-06-30 | Large -scale hydraulic turbine axle bush temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204807229U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939591A (en) * | 2017-12-21 | 2018-04-20 | 四川大唐国际甘孜水电开发有限公司 | A kind of large and medium hydro-generator bearing bush temperature guard method |
| CN110514310A (en) * | 2019-09-25 | 2019-11-29 | 温州伟力汽车部件有限公司 | Exhaust gas temperature sensor |
| CN112525376A (en) * | 2020-11-23 | 2021-03-19 | 无锡笃行创联技术有限公司 | Assembled temperature sensor capable of multi-point detection |
| CN112953582A (en) * | 2021-01-29 | 2021-06-11 | 维沃移动通信有限公司 | Electronic device |
-
2015
- 2015-06-30 CN CN201520475233.7U patent/CN204807229U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939591A (en) * | 2017-12-21 | 2018-04-20 | 四川大唐国际甘孜水电开发有限公司 | A kind of large and medium hydro-generator bearing bush temperature guard method |
| CN110514310A (en) * | 2019-09-25 | 2019-11-29 | 温州伟力汽车部件有限公司 | Exhaust gas temperature sensor |
| CN112525376A (en) * | 2020-11-23 | 2021-03-19 | 无锡笃行创联技术有限公司 | Assembled temperature sensor capable of multi-point detection |
| CN112953582A (en) * | 2021-01-29 | 2021-06-11 | 维沃移动通信有限公司 | Electronic device |
| CN112953582B (en) * | 2021-01-29 | 2023-07-25 | 维沃移动通信有限公司 | Electronic equipment |
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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: 20151125 Termination date: 20210630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |