CN202372283U - Water moment test device for Kaplan turbine model - Google Patents
Water moment test device for Kaplan turbine model Download PDFInfo
- Publication number
- CN202372283U CN202372283U CN2011205116078U CN201120511607U CN202372283U CN 202372283 U CN202372283 U CN 202372283U CN 2011205116078 U CN2011205116078 U CN 2011205116078U CN 201120511607 U CN201120511607 U CN 201120511607U CN 202372283 U CN202372283 U CN 202372283U
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- turbine model
- kaplan turbine
- proving installation
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Abstract
The utility model discloses a water moment test device for a Kaplan turbine model and relates to the manufacturing field of water turbine power generation equipment. The water moment test device comprises a blade and a runner body; a blade shaft of the blade is installed on the runner body through a ball bearing and extends to the inside of the runner body; and a torque sensor is arranged on the blade shaft and is connected with a wireless data transmission terminal. The water moment borne by the blade is measured by the torque sensor on the blade shaft. The water moment test device has the beneficial effects that as the water moment test device for the Kaplan turbine model is optimal in structure configuration and simultaneously adopts advanced wireless transmission design, the water turbine model can more accurately measure the water moment and better carries out data signal transmission and processing; and moreover, as a discharge cone of the water turbine test device is made of nonmetal materials, the wireless signal transmission is facilitated.
Description
Technical field
The utility model relates to hydraulic turbine power generation and makes field, particularly a kind of Kaplan turbine model Hydraulic Moment proving installation.
Background technology
The Hydraulic Moment parameter that the blade Hydraulic Moment test of hydraulic turbine model draws is the significant design foundation of hydraulic turbine prototype design.Existing blade Hydraulic Moment method of testing is to be utilized on the blade rotor adhering resistance strain sheets to measure.When tinsel is stretched or compresses and when being out of shape, this resistance wiry will change.Promptly measure the moment of torsion that blade rotor bears by the variation of the resistance value of test resistance foil gauge.In the data transmission procedure of tested blade Hydraulic Moment, can be very high to the data transmission rate request, but because the rotation of blade rotor and current to the impact of parts such as resistance strain gage, can produce data processing problem improperly.
The utility model content
The purpose of the utility model is: the problems referred to above to existing in the prior art provide a kind of Kaplan turbine model Hydraulic Moment proving installation that can more effectively carry out Hydraulic Moment measurement, data and processing.
To achieve these goals, the technical scheme of the utility model employing is:
A kind of Kaplan turbine model Hydraulic Moment proving installation; Comprise blade and web; The sharf of said blade is installed on the web through ball bearing; Said sharf extends to web inside, and said sharf is provided with torque sensor, and this torque sensor connects the wirelessly transmitting data end.The Hydraulic Moment that said blade bears is measured through the torque sensor on the sharf.
As the preferred version of the utility model, in the above-mentioned Kaplan turbine model Hydraulic Moment proving installation, said sharf is connected fixing with blade body through screw thread and pin.
As the preferred version of the utility model, in the above-mentioned Kaplan turbine model Hydraulic Moment proving installation, said sharf is installed on the web through holder.
As the preferred version of the utility model, gapped between said blade body and the web in the above-mentioned Kaplan turbine model Hydraulic Moment proving installation, the enough blade body Hydraulic Moment in said gap are accurately measured and unlikely and web interference.
As the preferred version of the utility model, in the above-mentioned Kaplan turbine model Hydraulic Moment proving installation, the wireless data sending module at the sensor place on the said sharf utilizes rechargeable battery powered; Said battery is by the microprocessor control of wireless data sending module; Said microprocessor can be in energy-saving mode by control circuit, and the correlate meter of said wireless data sending module is in dormant state before receiving test signal; Make that the current drain of circuit is minimum, save electricity.
As the preferred version of the utility model, in the above-mentioned Kaplan turbine model Hydraulic Moment proving installation, said web one end is connected with draft cone, and said draft cone is the draft cone of nonmetallic materials.Said nonmetal draft cone helps the transmission of wireless signal.
As the preferred version of the utility model, in the above-mentioned Kaplan turbine model Hydraulic Moment proving installation, be provided with the processing of circuit module in the said draft cone, said processing of circuit module has wireless transmission data terminal and wireless receiving signal end.
As the preferred version of the utility model, in the above-mentioned Kaplan turbine model Hydraulic Moment proving installation, the waterproof encapsulation is carried out in the junction of said processing of circuit module and draft cone, makes device water inlet in test process, can not occur and causes situation such as short circuit.
The wireless transmission method that the utility model Kaplan turbine model Hydraulic Moment proving installation adopts is: sensor amplifies the signal that collects, send to the coding that A/D converter carries out data behind the filter filtering via amplifier, sends through emitting antenna again.Said coded signal by transmission antennas transmit through the external wireless data reception portion divide receive after, convert analog voltage signal into through D/A converter, said analog voltage signal amplifies through filter filtering, amplifier again.The said analog voltage signal that amplifies through filtering is further handled calculating by the collection plate in the counter.Said amplifier, wave filter, emitting antenna and A/D converter are controlled by the microprocessor in the hydraulic turbine model.
In sum, owing to adopted technique scheme, the beneficial effect of the utility model is:
1, because the utility model Kaplan turbine model Hydraulic Moment proving installation has adopted advanced wireless transmission design; Make hydraulic turbine model can carry out data and processing better, for hydraulic turbine model Hydraulic Moment test provides high stable, highly reliable, data transmission cheaply.
2, because the draft cone of the utility model Kaplan turbine model Hydraulic Moment proving installation adopts the nonmetallic materials manufacturing, help transmission of wireless signals.
3, the utility model Kaplan turbine model Hydraulic Moment proving installation has adopted the structural arrangement design of optimizing, and makes hydraulic turbine model can measure the blade Hydraulic Moment better, more exactly.
4,, make that the current drain of circuit is minimum, save electricity because circuit modules such as the data transmission of the utility model Kaplan turbine model Hydraulic Moment proving installation, processing adopt multiple battery saving mode.
5,, make device water inlet in test process, can not occur and cause situation such as short circuit because the processing of circuit module of the utility model Kaplan turbine model Hydraulic Moment proving installation adopts the waterproof sealing design.
Description of drawings
Fig. 1 is the structural representation of the utility model device.
Fig. 2 is the utility model wireless data transmission design module synoptic diagram.
Fig. 3 is the overall plan synoptic diagram of the utility model Kaplan turbine model Hydraulic Moment test:
(a) be the Hydraulic Turbine Rotor interior section;
(b) be hydraulic turbine model device external part.
Mark among the figure: the 1-blade, the 2-web, the 3-bearing, the 4-sharf, 5-surveys square blade, 6-draft cone, 7-holder.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Embodiment 1
A kind of Kaplan turbine model Hydraulic Moment proving installation; As shown in Figure 1; Comprise blade 1 and web 2, the sharf 4 of said blade 1 is installed on the web 2 through ball bearing, and said sharf 4 extends to web 2 inside; Said sharf 4 is provided with torque sensor, and this torque sensor is connected with the wirelessly transmitting data end.The Hydraulic Moment that said blade 1 bears is measured through the torque sensor on the sharf 4.Said sharf 4 is connected fixing with blade 1 body through screw thread and pin.Said sharf 4 is installed on the web 2 through holder 7.Said web 2 one ends are connected with draft cone 6, and said draft cone 6 is draft cones of nonmetallic materials.Said nonmetal draft cone helps the transmission of wireless signal.The wireless data sending module at the sensor place on the said sharf 4 utilizes rechargeable battery powered; The correlate meter of said wireless data sending module is before receiving test signal; Be in dormant state, can reach the effect of economize on electricity so that the magnitude of current consumes minimum.Be provided with the processing of circuit module in the said draft cone 6, said processing of circuit module has the wireless transmission data, receives signal end.The waterproof encapsulation is carried out in the junction of said processing of circuit module and draft cone.
The wireless transmission method that the utility model Kaplan turbine model Hydraulic Moment proving installation adopts is as shown in Figure 2: sensor sends to the coding that A/D converter carries out data with the signal that collects behind amplifier amplification, filter filtering, send through emitting antenna again.Said coded signal by transmission antennas transmit through the external wireless data reception portion divide receive after, convert analog voltage signal into through D/A converter, said analog voltage signal amplifies through filter filtering, amplifier again.The said analog voltage signal that amplifies through filtering is further handled calculating by the collection plate in the counter.Said amplifier, wave filter, emitting antenna and A/D converter are controlled by the microprocessor in the hydraulic turbine model.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (8)
1. Kaplan turbine model Hydraulic Moment proving installation; Comprise blade and web; It is characterized in that the sharf of said blade is installed on the web through ball bearing, said sharf extends to web inside; Said sharf is provided with torque sensor, and this torque sensor connects the wirelessly transmitting data end.
2. Kaplan turbine model Hydraulic Moment proving installation according to claim 1 is characterized in that, said sharf is connected fixing with blade body through screw thread and pin.
3. Kaplan turbine model Hydraulic Moment proving installation according to claim 2 is characterized in that said sharf is installed on the web through holder.
4. Kaplan turbine model Hydraulic Moment proving installation according to claim 3 is characterized in that, and is gapped between said blade body and the web.
5. Kaplan turbine model Hydraulic Moment proving installation according to claim 4; It is characterized in that; The wireless data sending module that sensor on the said sharf connects utilizes rechargeable battery powered; Said battery is by the microprocessor control of wireless data sending module, and said microprocessor can be in energy-saving mode by control circuit.
6. according to any described Kaplan turbine model Hydraulic Moment proving installation in the claim 1 to 5, it is characterized in that said web one end is connected with draft cone, said draft cone is the draft cone of nonmetallic materials.
7. Kaplan turbine model Hydraulic Moment proving installation according to claim 6 is characterized in that be provided with the processing of circuit module in the said draft cone, said processing of circuit module has wireless transmission data terminal and wireless receiving signal end.
8. Kaplan turbine model Hydraulic Moment proving installation according to claim 7 is characterized in that, the waterproof encapsulation is carried out in the junction of said processing of circuit module and draft cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205116078U CN202372283U (en) | 2011-12-09 | 2011-12-09 | Water moment test device for Kaplan turbine model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205116078U CN202372283U (en) | 2011-12-09 | 2011-12-09 | Water moment test device for Kaplan turbine model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202372283U true CN202372283U (en) | 2012-08-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205116078U Expired - Lifetime CN202372283U (en) | 2011-12-09 | 2011-12-09 | Water moment test device for Kaplan turbine model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202372283U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132759A (en) * | 2014-08-18 | 2014-11-05 | 国家海洋技术中心 | Open water testing device for tidal current energy electricity generating blades |
| CN104458102A (en) * | 2014-12-12 | 2015-03-25 | 国家海洋技术中心 | Tidal current energy power generation blade surface pressure testing device |
| CN107084084A (en) * | 2017-03-30 | 2017-08-22 | 东芝水电设备（杭州）有限公司 | Blade radial center line flexure type Kaplan turbine runner |
-
2011
- 2011-12-09 CN CN2011205116078U patent/CN202372283U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132759A (en) * | 2014-08-18 | 2014-11-05 | 国家海洋技术中心 | Open water testing device for tidal current energy electricity generating blades |
| CN104132759B (en) * | 2014-08-18 | 2016-05-18 | 国家海洋技术中心 | A kind of marine tidal-current energy power generation blade open water test device |
| CN104458102A (en) * | 2014-12-12 | 2015-03-25 | 国家海洋技术中心 | Tidal current energy power generation blade surface pressure testing device |
| CN104458102B (en) * | 2014-12-12 | 2017-01-25 | 国家海洋技术中心 | Tidal current energy power generation blade surface pressure testing device |
| CN107084084A (en) * | 2017-03-30 | 2017-08-22 | 东芝水电设备（杭州）有限公司 | Blade radial center line flexure type Kaplan turbine runner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |
|
| CX01 | Expiry of patent term |