CN211043593U - Hydraulic generator merit angle direct measurement device - Google Patents
Hydraulic generator merit angle direct measurement device Download PDFInfo
- Publication number
- CN211043593U CN211043593U CN201921573410.XU CN201921573410U CN211043593U CN 211043593 U CN211043593 U CN 211043593U CN 201921573410 U CN201921573410 U CN 201921573410U CN 211043593 U CN211043593 U CN 211043593U
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- fluted disc
- generator
- touch
- lug
- measurement device
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Abstract
The utility model discloses a direct measuring device of hydraulic generator merit angle, including the generator fluted disc, one side of generator fluted disc is provided with the backup pad perpendicularly and adsorbs there is magnetic lug, install position sensor in the backup pad, position sensor's sense terminal is just being provided with the regulation pole to generator fluted disc and under the level, the outer end activity of adjusting the pole is provided with and touches movable plate and the inner has seted up the perforation, it has the inserted bar to alternate in the perforation, the end of inserted bar is fixed in the backup pad, terminal one side of adjusting the pole is provided with reset spring and opposite side and is provided with and touches the lug, reset spring's outer end is connected with the curb plate, be provided with the touch button under touching the lug, it is connected with. The utility model discloses the patent to granted patent number CN101299058A has improved, is carrying out the in-process of contrasting each tooth position of fluted disc, calculates to rotatory number of times, can calculate fluted disc initial state and load state's corresponding relation, improves the accuracy of testing result.
Description
Technical Field
The utility model relates to a generator merit angle measuring equipment technical field specifically is a hydraulic generator merit angle direct measurement device.
Background
The power angle is an important mark reflecting the stable operation and the stable operation margin of the generator, and when the generator operates in the phase-in mode, the monitoring of the power angle of the generator is necessary for preventing the instability of the generator and observing the stability margin of the generator, and meanwhile, a reliable basis can be provided for the safety depth of low excitation limit of an excitation system.
Under the condition that the generator is unloaded, a PMU device obtains an initial phase angle and tooth pitch characteristic parameters of a fluted disc of a rotor of the generator through a sensor; after the generator runs with a load, matching the corresponding relation between the initial phase angle sequence and the tooth pitch sequence by measuring the tooth disc tooth pitch characteristic of the generator at the moment; and calculating the real-time power angle of the generator through the matching relation. The method has the advantages that the method can measure the initial error angle of the generator position signal and directly obtain the accurate power angle of the generator without modifying the existing generator gear, but the scheme has the following problems in the measurement of the power angle of the generator: the PMU device is adopted to obtain an initial phase angle sequence of a fluted disc of a rotor of a generator and a tooth pitch sequence between the teeth of the fluted disc through a sensor, and the initial phase angle sequence and the tooth pitch sequence are compared with parameters corresponding to the running of the loaded generator to calculate a power angle, however, a position sensor can only measure and calculate the position of each tooth of the fluted disc, but cannot measure and calculate the rotation cycle number of the fluted disc, the rotation cycle number of the fluted disc is smaller than that in a conventional state under a load state, the position of each tooth of the fluted disc can only simply reflect the position relation of a single circle, and errors are easy to occur. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic generator merit angle direct measurement device has solved the problem that proposes in the background art, satisfies the in-service use demand.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a direct measuring device of hydraulic generator merit angle, includes the generator fluted disc, one side of generator fluted disc is provided with the backup pad perpendicularly and adsorbs there is the magnetism lug, install position sensor in the backup pad, position sensor's sense terminal is just being provided with the regulation pole just to generator fluted disc and just below level, the outer end activity of adjusting the pole is provided with touches movable plate and the inner has seted up the perforation, it has the inserted bar to alternate in the perforation, the end of inserted bar is fixed in the backup pad, terminal one side of adjusting the pole is provided with reset spring and opposite side and is provided with and touches the lug, reset spring's outer end is connected with the curb plate, be provided with under the lug and touch the button, it is connected with the counter to touch.
As a preferred embodiment of the utility model, the mounting groove has been seted up to the outer end of adjusting the pole, the upper end hinge of touch piece is connected and the top and the inboard of mounting groove are fixed with the spring, the inner of spring is fixed on the inner wall of mounting groove.
As a preferred embodiment of the present invention, the longitudinal section of the mounting groove is L-shaped.
As an optimal implementation mode of the utility model, it has the pad that gives sound insulation to inlay on cambered surface structure and the outer wall to touch the piece whole, give sound insulation and fill up and adopt rubber materials, touch the piece main part and adopt metal material.
As a preferred embodiment of the present invention, the distance between the bottom end of the touch plate and the gear plate of the generator is smaller than the height of the magnetic bump.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the scheme improves the patent with the granted patent number of CN101299058A, a mechanism which is matched with the rotation times of the fluted disc is arranged on one side of the position sensor, the rotation times are calculated in the process of comparing the positions of all teeth of the fluted disc, the corresponding relation between the position of the initial state of the fluted disc and the rotation times and the load state can be accurately calculated, and the accuracy of the detection result is improved.
Drawings
Fig. 1 is an overall schematic view of the present invention;
FIG. 2 is a side view of the structure of the present invention;
fig. 3 is a sectional view of the outer end of the adjusting rod of the present invention.
In the figure, 1-a generator fluted disc, 2-a supporting plate, 3-a magnetic lug, 4-a position sensor, 5-an adjusting rod, 6-a touch sheet, 7-an inserting rod, 8-a return spring, 9-a touch lug, 10-a side plate, 11-a touch button, 12-a counter, 13-a mounting groove, 14-a spring and 15-a sound insulation pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a direct measuring device of hydraulic generator merit angle, including generator fluted disc 1, one side of generator fluted disc 1 is provided with backup pad 2 perpendicularly and adsorbs and has magnetic lug 3, install position sensor 4 on the backup pad 2, position sensor 4's sense terminal is just being provided with regulation pole 5 to generator fluted disc 1 and just below level, the outer end activity of adjusting pole 5 is provided with and touches movable plate 6 and the inner has seted up the perforation, it has inserted bar 7 to alternate in the perforation, the end of inserted bar 7 is fixed in backup pad 2, the terminal one side of adjusting pole 5 is provided with reset spring 8 and the opposite side is provided with touches lug 9, reset spring 8's outer end is connected with curb plate 10, be provided with touch button 11 under touching lug 9, touch button 11 electricity is connected with counter 12.
In a further improvement, as shown in fig. 3: the outer end of the adjusting rod 5 is provided with an installation groove 13, the upper end of the touch piece 6 is hinged with the top of the installation groove 13, a spring 14 is fixed on the inner side of the installation groove 13, the inner end of the spring 14 is fixed on the inner wall of the installation groove 13, and the touch piece 6 can be conveniently adjusted by a movable installation mode.
Supplementary note 1: the spring 14 has a greater spring constant than the return spring 8.
In a further improvement, as shown in fig. 3, the longitudinal section of the installation groove 13 is L-shaped.
In a further improvement, as shown in fig. 3: touch piece 6 wholly is to inlay on cambered surface structure and the outer wall and has syllable-dividing pad 15, gives sound insulation and fills up 15 and adopt rubber materials, touches 6 main parts of piece and adopts metal material, will touch piece 6 and design when the cambered surface structure lies in the contact of magnetism lug 3, conveniently touches piece 6 and adjusts.
Specifically, the distance between the bottom end of the touch piece 6 and the generator fluted disc 1 is smaller than the height of the magnetic bump 3, and the design mode facilitates the touch of the magnetic bump 3 and the touch piece 6 in the rotating process of the generator fluted disc 1, so that the rotating times of the generator fluted disc 1 can be calculated conveniently.
When in use: the utility model discloses adsorb magnetic bump 3 in generator fluted disc 1 department that is located regulation pole 5 below before the detection, in proper order with the touching piece 6 touching at every rotatory a week magnetic bump 3 of generator fluted disc 1, the touching of touching piece 6 drives regulation pole 5 and uses inserted bar 7 to rotate and touch button 11 once through touching the lug touching, thereby once through counter 12 record, make measuring device not only can calculate the rotatory number of times that also can detect generator fluted disc 1 to each tooth position relation of generator fluted disc 1, thereby improve the accuracy of testing result.
The product protected by the scheme is put into practical production and application at present, and particularly, the application in the technical field of the power angle measuring equipment of the generator is successful to a certain extent, so that the technical scheme of the product is proved to be beneficial, meets social requirements, and is suitable for batch production and popularization.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a hydraulic generator merit angle direct measurement device, includes generator fluted disc (1), its characterized in that: one side of the generator fluted disc (1) is vertically provided with a supporting plate (2) and is adsorbed with a magnetic lug (3), a position sensor (4) is arranged on the supporting plate (2), the detection end of the position sensor (4) is over against the generator fluted disc (1) and an adjusting rod (5) is horizontally arranged right below the position sensor, the outer end of the adjusting rod (5) is movably provided with a touch piece (6) and the inner end is provided with a through hole, an inserting rod (7) is inserted in the through hole, the tail end of the inserting rod (7) is fixed on the supporting plate (2), one side of the tail end of the adjusting rod (5) is provided with a return spring (8) and the other side is provided with a touch lug (9), the outer end of the reset spring (8) is connected with a side plate (10), a touch button (11) is arranged right below the touch bump (9), and the touch button (11) is electrically connected with a counter (12).
2. The direct measurement device for the power angle of the hydraulic generator according to claim 1, characterized in that: the outer end of the adjusting rod (5) is provided with an installation groove (13), the upper end of the touch sheet (6) is hinged to the top of the installation groove (13), a spring (14) is fixed to the inner side of the top of the installation groove (13), and the inner end of the spring (14) is fixed to the inner wall of the installation groove (13).
3. The device for directly measuring the power angle of the hydraulic generator according to claim 2, is characterized in that the longitudinal section of the mounting groove (13) is in an L-shaped structure.
4. The direct measurement device for the power angle of the hydraulic generator according to claim 2, characterized in that: it has sound insulation pad (15) to inlay on cambered surface structure and the outer wall to touch piece (6) whole, sound insulation pad (15) adopt rubber materials, touch piece (6) main part adopts metal material.
5. The direct measurement device for the power angle of the hydraulic generator according to claim 4, wherein: the distance between the bottom end of the touch sheet (6) and the generator fluted disc (1) is smaller than the height of the magnetic lug (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921573410.XU CN211043593U (en) | 2019-09-20 | 2019-09-20 | Hydraulic generator merit angle direct measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921573410.XU CN211043593U (en) | 2019-09-20 | 2019-09-20 | Hydraulic generator merit angle direct measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211043593U true CN211043593U (en) | 2020-07-17 |
Family
ID=71532393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921573410.XU Expired - Fee Related CN211043593U (en) | 2019-09-20 | 2019-09-20 | Hydraulic generator merit angle direct measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211043593U (en) |
-
2019
- 2019-09-20 CN CN201921573410.XU patent/CN211043593U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 Termination date: 20210920 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |