CN204649325U - Large-scale water turbine bearing shell shock resistance temperature sensor - Google Patents
Large-scale water turbine bearing shell shock resistance temperature sensor Download PDFInfo
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- CN204649325U CN204649325U CN201520145387.XU CN201520145387U CN204649325U CN 204649325 U CN204649325 U CN 204649325U CN 201520145387 U CN201520145387 U CN 201520145387U CN 204649325 U CN204649325 U CN 204649325U
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- wire
- water turbine
- plug connector
- bearing shell
- shock resistance
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Abstract
The utility model discloses a kind of large-scale water turbine bearing shell shock resistance temperature sensor; Comprise sensor probe, plug connector, the corrugated tube of stainless steel and temperature detecting resistance lead-in wire; The first end of described plug connector is connected with described sensor probe is detachable, second end is fixedly connected with the described corrugated tube of stainless steel, the end of described corrugated tube is provided with a wire outlet, the link of described temperature detecting resistance lead-in wire wears described corrugated tube and is connected with described plug connector, and the end of described temperature detecting resistance lead-in wire is drawn from described wire outlet, between the outer wall of described temperature detecting resistance lead-in wire and described wire outlet, be provided with certain interval.When implementing, the utility model is by setting up corrugated tube, and make to greatly reduce the impact that liquid stream suffered by described temperature detecting resistance lead-in wire or vibration produce, and then the utility model resistance to impact is good, shock resistance is good.
Description
Technical field
The utility model relates to sensor technical field, specifically, relates to a kind of special high anti-seismic temperature sensor for large-scale water turbine.
Background technology
Temperature sensor, as its name suggests, temperature signal can be transformed into the temperature measuring device of electric signal being convenient to utilize, it have highly sensitive, good stability, interchangeability are good, precision high, and usually to support the use in conjunction with Displaying Meter, recorder and electronic controller etc.
Temperature sensor of the prior art; the temperature of liquid, steam, gas medium and solid surface within the scope of general energy measurement-200 DEG C to+600 DEG C; in large-scale commercial unit; as in the large-scale hydraulic turbine; often temperature sensor can be used; because relevant working environment residing for large-scale water turbine is relatively more severe, therefore, the requirement for the performance parameter etc. of used temperature sensor is very high.
The existing temperature sensor for the hydraulic turbine, generally all do not possess shock resistance and function of seismic resistance, because the corresponding hydraulic turbine is in liquid industrial environment, make environment residing for corresponding temperature sensor more severe, around it, the liquid of flowing fast can cause very large impact to the lead-in wire of corresponding temperature element root, meanwhile, the temperature element be in vibration also can impact corresponding lead-in wire because of mechanical vibration, the root of corresponding temperature element is made to produce great load, during long-time use, its root easy fracture, make its serviceable life short.
By this, for present situation, design a high anti-seismic temperature sensor for large-scale water turbine, to make its shock resistance good, good stability, shock-resistant, long service life etc., be then necessary, and it must have dissemination.
Utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and a kind of large-scale water turbine bearing shell shock resistance temperature sensor provided.
The utility model solves the technical scheme that prior art problem adopts: a kind of large-scale water turbine bearing shell shock resistance temperature sensor, and it comprises sensor probe, plug connector, the corrugated tube of stainless steel and temperature detecting resistance lead-in wire;
Wherein, the first end of described plug connector is connected with described sensor probe is detachable, second end is fixedly connected with the described corrugated tube of stainless steel, the end of described corrugated tube is provided with a wire outlet, the link of described temperature detecting resistance lead-in wire wears described corrugated tube and is connected with described plug connector, and the end of described temperature detecting resistance lead-in wire is drawn from described wire outlet, between the outer wall of described temperature detecting resistance lead-in wire and described wire outlet, be provided with certain interval.
Below above technical scheme is further elaborated:
Preferably, described sensor probe comprises set bolt, protection tube, sealing protecting cover and temperature element;
Wherein, the first end of described protection tube is fixedly connected with described set bolt, and the second end is connected with described sealing protecting cover detachable-type sealed; Described temperature element is sealingly fastened in described protection tube, and is positioned at the second end of described protection tube, and the end pin of described temperature element is sintered and is fixed in described sealing protecting cover, and its end exposes to described sealing protecting cover.
Preferably, the first end of described plug connector is connected with described set bolt is detachable.
Preferably; also comprise be connected with described temperature element signal in order to the sensor fault self-checking unit that detects this temperature element fault and the audible-visual annunciator be connected with described sensor fault self-checking unit signal, described sensor fault self-checking unit and audible-visual annunciator are individually fixed in outside described protection tube.
Preferably, described temperature element is any one in copper thermistor, platinum resistance thermometer sensor, nickel chromium triangle-CopperNickel thermocouple, nickel chromium-nickel silicon thermocouple, platinum rhodium 10-platinum thermocouple, Platinum-30Rhodium-Platinum-6Rhodium thermocouple, bimetallic system cell, glass-stem thermometer, semiconductor thermistor thermometer.
Preferably, described set bolt, protection tube, sealing protecting cover are stainless steel; Described plug connector is metal material, and described corrugated tube is alloy spring steel.
Preferably, the termination of described set bolt is provided with internal thread, and the first end of described plug connector is provided with external thread, and described plug connector to be spun with described set bolt screw thread by being meshed of described external thread and described internal thread.
Preferably, anti-interference ring is provided with between the end that the link of described temperature detecting resistance lead-in wire goes between from described wire outlet place and this temperature detecting resistance.
Preferably, the diameter of described corrugated tube diminishes to one end of described anti-interference ring gradually from one end of described plug connector.
The beneficial effects of the utility model are:
One, a kind of large-scale water turbine bearing shell shock resistance temperature sensor provided by the utility model; have additional the corrugated tube of protection described temperature detecting resistance lead-in wire effect; make in use; the liquid stream suffered by described temperature detecting resistance lead-in wire or the impact that produces of vibration can be greatly reduced; and then; the utility model resistance to impact is good, and shock resistance is good.
Two, the utility model in the specific implementation, carry sensor fault self-checking unit and audible-visual annunciator, when corresponding temperature element damages, namely corresponding sensor fault self-checking unit can detect feedback signal and control corresponding audible-visual annunciator and export sound and light alarm, so, prompting staff that can be very eye-catching, changes the sensor probe damaged in time, and then the utility model is practical.
Three, in the utility model embodiment, be also enclosed with anti-interference ring in the outside that described temperature detecting resistance goes between, and then namely make the utility model good in anti-interference performance, measuring accuracy is high, Measurement reliability is good, and result of use is better.
Accompanying drawing explanation
Fig. 1 is the integral planar structural representation of the utility model large-scale water turbine bearing shell shock resistance temperature sensor;
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.
Drawing reference numeral:
Sensor probe 10;
Set bolt 101; Protection tube 102; Sealing protecting cover 103; Temperature element 104;
Plug connector 20;
Corrugated tube 30;
Temperature detecting resistance lead-in wire 40;
Sensor fault self-checking unit 50;
Audible-visual annunciator 60;
Anti-interference ring 70.
Embodiment
Below with reference to drawings and the specific embodiments describe in detail the technical solution of the utility model so as clearer, understand invention essence of the present utility model intuitively.
Fig. 1 is the integral planar structural representation of the utility model large-scale water turbine bearing shell shock resistance temperature sensor;
Shown in composition graphs 1;
A kind of large-scale water turbine bearing shell shock resistance temperature sensor provided by the utility model, is mainly used in and measures environment temperature residing for large-scale water turbine;
Specifically, the utility model comprises sensor probe 10, plug connector 20, the corrugated tube 30 of stainless steel and temperature detecting resistance lead-in wire 40;
Wherein, the first end of described plug connector 20 is connected with described sensor probe 10 is detachable, second end is fixedly connected with the described corrugated tube 30 of stainless steel, the end of described corrugated tube 30 is provided with a wire outlet, the link of described temperature detecting resistance lead-in wire 40 wears described corrugated tube 30 and is connected with described plug connector 20, and the end of described temperature detecting resistance lead-in wire 40 is drawn from described wire outlet, between the outer wall of described temperature detecting resistance lead-in wire 40 and described wire outlet, be provided with certain interval.
So; a kind of large-scale water turbine bearing shell shock resistance temperature sensor provided by the utility model; by having set up the corrugated tube 30 of protection described temperature detecting resistance lead-in wire 40 effect; make in use; the impact that the described temperature detecting resistance liquid stream of lead-in wire suffered by 40 or vibration produce can be greatly reduced; and then the utility model resistance to impact is good, shock resistance is good.
Further, in the utility model embodiment, described sensor probe 10 comprises set bolt 101, protection tube 102, sealing protecting cover 103 and temperature element 104;
Wherein, the first end of described protection tube 102 is fixedly connected with described set bolt 101, and the second end is connected with described sealing protecting cover 103 detachable-type sealed; Described temperature element 104 is sealingly fastened in described protection tube 102; and be positioned at the second end of described protection tube 102; and the end pin of described temperature element 104 is sintered and is fixed in described sealing protecting cover 103; its end exposes to described sealing protecting cover 103, and the first end of described plug connector 20 is connected with described set bolt 101 is detachable.
So; because the second end of described protection tube 102 is connected with described sealing protecting cover 103 detachable-type sealed; when described temperature element 104 damages; directly can unload the temperature element 104 more renewed with the integrated temperature element 104 of described sealing protecting cover 103; make not need to change whole sensor probe 10; and then the utility model maintenance cost is low.
Further; the utility model in the specific implementation; also comprise be connected with described temperature element 104 signal in order to the sensor fault self-checking unit 50 that detects this temperature element 104 fault and the audible-visual annunciator 60 be connected with described sensor fault self-checking unit 50 signal, described sensor fault self-checking unit 50 and audible-visual annunciator 60 are individually fixed in outside described protection tube 102.
So, when corresponding temperature element 104 damages, namely corresponding sensor fault self-checking unit 50 can detect feedback signal and control corresponding audible-visual annunciator 60 and export sound and light alarm, so, prompting staff that can be very eye-catching, the timely sensor probe 10 changing damage, and then the utility model is practical.
It should be noted that, in the present embodiment, described temperature element 104 is any one in copper thermistor, platinum resistance thermometer sensor, nickel chromium triangle-CopperNickel thermocouple, nickel chromium-nickel silicon thermocouple, platinum rhodium 10-platinum thermocouple, Platinum-30Rhodium-Platinum-6Rhodium thermocouple, bimetallic system cell, glass-stem thermometer, semiconductor thermistor thermometer.
Described set bolt 101, protection tube 102, sealing protecting cover 103 are stainless steel; Described plug connector 20 is metal material, and described corrugated tube 30 is alloy spring steel.
As preferred version, the termination of described set bolt 101 of the present utility model is provided with internal thread, the first end of described plug connector 20 is provided with external thread, and described plug connector 20 to be spun with described set bolt 101 screw thread by being meshed of described external thread and described internal thread.
Further, described temperature detecting resistance lead-in wire 40 of the present utility model link from described wire outlet place and this temperature detecting resistance go between 40 end between be provided with anti-interference ring 70.
So, in the specific implementation, by the protection of described anti-interference ring 70, namely make the utility model anti-interference good, measuring accuracy is high, and Measurement reliability is good, and result of use is better for the utility model.
It should be added that, in the present embodiment, the diameter of described corrugated tube 30 diminishes to one end of described anti-interference ring 70 gradually from one end of described plug connector 20.
In sum; a kind of large-scale water turbine bearing shell shock resistance temperature sensor provided by the utility model; have additional the corrugated tube 30 of protection described temperature detecting resistance lead-in wire 40 effect; make in use; the impact that the described temperature detecting resistance liquid stream of lead-in wire suffered by 40 or vibration produce can be greatly reduced; and then the utility model resistance to impact is good, shock resistance is good.
Meanwhile, the utility model in the specific implementation, carry sensor fault self-checking unit 50 and audible-visual annunciator 60, when corresponding temperature element 104 damages, namely corresponding sensor fault self-checking unit 50 can detect feedback signal and control corresponding audible-visual annunciator 60 and export sound and light alarm, and then, prompting staff that can be very eye-catching, the timely sensor probe 10 changing damage, and then the utility model is practical.
Further, in the utility model embodiment, be also enclosed with anti-interference ring 70 in the outside of described temperature detecting resistance lead-in wire 40, and then namely make the utility model anti-interference good, measuring accuracy is high, and Measurement reliability is good, and result of use is better.
Accordingly, the utility model, in the improvement of technology, does not need to increase too many cost, makes the utility model must have good market popularization value, and the utility model can very welcome, can effectively be popularized.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model instructions and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. a large-scale water turbine bearing shell shock resistance temperature sensor, is characterized in that: it comprises sensor probe, plug connector, the corrugated tube of stainless steel and temperature detecting resistance lead-in wire;
Wherein, the first end of described plug connector is connected with described sensor probe is detachable, second end is fixedly connected with the described corrugated tube of stainless steel, the end of described corrugated tube is provided with a wire outlet, the link of described temperature detecting resistance lead-in wire wears described corrugated tube and is connected with described plug connector, and the end of described temperature detecting resistance lead-in wire is drawn from described wire outlet, between the outer wall of described temperature detecting resistance lead-in wire and described wire outlet, be provided with certain interval.
2. large-scale water turbine bearing shell shock resistance temperature sensor according to claim 1, is characterized in that: described sensor probe comprises set bolt, protection tube, sealing protecting cover and temperature element;
Wherein, the first end of described protection tube is fixedly connected with described set bolt, and the second end is connected with described sealing protecting cover detachable-type sealed; Described temperature element is sealingly fastened in described protection tube, and is positioned at the second end of described protection tube, and the end pin of described temperature element is sintered and is fixed in described sealing protecting cover, and its end exposes to described sealing protecting cover.
3. large-scale water turbine bearing shell shock resistance temperature sensor according to claim 2, is characterized in that: the first end of described plug connector is connected with described set bolt is detachable.
4. large-scale water turbine bearing shell shock resistance temperature sensor according to claim 3; it is characterized in that: also comprise be connected with described temperature element signal in order to the sensor fault self-checking unit that detects this temperature element fault and the audible-visual annunciator be connected with described sensor fault self-checking unit signal, described sensor fault self-checking unit and audible-visual annunciator are individually fixed in outside described protection tube.
5. large-scale water turbine bearing shell shock resistance temperature sensor according to claim 2, is characterized in that: described temperature element is any one in copper thermistor, platinum resistance thermometer sensor, nickel chromium triangle-CopperNickel thermocouple, nickel chromium-nickel silicon thermocouple, platinum rhodium 10-platinum thermocouple, Platinum-30Rhodium-Platinum-6Rhodium thermocouple, bimetallic system cell, glass-stem thermometer, semiconductor thermistor thermometer.
6. large-scale water turbine bearing shell shock resistance temperature sensor according to claim 2, is characterized in that: described set bolt, protection tube, sealing protecting cover are stainless steel; Described plug connector is metal material, and described corrugated tube is alloy spring steel.
7. large-scale water turbine bearing shell shock resistance temperature sensor according to claim 2, it is characterized in that: the termination of described set bolt is provided with internal thread, the first end of described plug connector is provided with external thread, and described plug connector to be spun with described set bolt screw thread by being meshed of described external thread and described internal thread.
8. large-scale water turbine bearing shell shock resistance temperature sensor according to claim 1, is characterized in that: be provided with anti-interference ring between the end that the link of described temperature detecting resistance lead-in wire goes between from described wire outlet place and this temperature detecting resistance.
9. large-scale water turbine bearing shell shock resistance temperature sensor according to claim 8, is characterized in that: the diameter of described corrugated tube diminishes to one end of described anti-interference ring gradually from one end of described plug connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520145387.XU CN204649325U (en) | 2015-03-13 | 2015-03-13 | Large-scale water turbine bearing shell shock resistance temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520145387.XU CN204649325U (en) | 2015-03-13 | 2015-03-13 | Large-scale water turbine bearing shell shock resistance temperature sensor |
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| Publication Number | Publication Date |
|---|---|
| CN204649325U true CN204649325U (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520145387.XU Expired - Fee Related CN204649325U (en) | 2015-03-13 | 2015-03-13 | Large-scale water turbine bearing shell shock resistance temperature sensor |
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| CN (1) | CN204649325U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448839A (en) * | 2016-10-12 | 2017-02-22 | 浙江伦特机电有限公司 | Instrument cable assembly for nuclear power station |
| WO2024051080A1 (en) * | 2022-09-08 | 2024-03-14 | 江苏核电有限公司 | Assembly for connecting cable to nuclear power station neutron temperature measurement channel |
-
2015
- 2015-03-13 CN CN201520145387.XU patent/CN204649325U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448839A (en) * | 2016-10-12 | 2017-02-22 | 浙江伦特机电有限公司 | Instrument cable assembly for nuclear power station |
| CN106448839B (en) * | 2016-10-12 | 2017-10-27 | 浙江伦特机电有限公司 | Instrument cable for nuclear power station component |
| WO2024051080A1 (en) * | 2022-09-08 | 2024-03-14 | 江苏核电有限公司 | Assembly for connecting cable to nuclear power station neutron temperature measurement channel |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20170313 |