CN212646916U - Efficiency detection and analysis device for large hydraulic generator - Google Patents
Efficiency detection and analysis device for large hydraulic generator Download PDFInfo
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- CN212646916U CN212646916U CN202021261090.7U CN202021261090U CN212646916U CN 212646916 U CN212646916 U CN 212646916U CN 202021261090 U CN202021261090 U CN 202021261090U CN 212646916 U CN212646916 U CN 212646916U
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Abstract
The utility model discloses a large-scale hydraulic generator efficiency detection and analysis device. The utility model discloses a portable quick-witted case by the handle has, panel-mounted's industry panel computer, switch, three-wire system platinum resistance collection card, cable groove, communication card, flow signal collection card, switching power supply, linear power supply, supply socket, signal interface, three-wire system platinum resistance, laser flowmeter constitute, the utility model discloses realize the regular automatic acquisition of a large amount of temperatures and flow measurement point, save, show and analysis, adopt the calorimetric method to confirm the efficiency under the rated operating mode of analysis hydraulic generator, through surveying the temperature rise change of each position of hydraulic generator to and the flow in the pipeline, calculate the heat of production, calculate the various losses of hydraulic generator from this, finally deduce hydraulic generator's efficiency.
Description
Technical Field
The utility model relates to a large-scale hydraulic generator efficiency detection and analysis device.
Background
The operation efficiency of the hydroelectric generating set of the hydropower station is a key link for ensuring the operation power of the hydroelectric generating set, and is also an important economic index and a technical index for evaluating the performance of the hydroelectric generating set, and the whole economic benefit of the hydropower station is established on the operation efficiency of the hydroelectric generating set, so that the operation efficiency of the hydroelectric generating set of the hydropower station needs to be improved in order to improve the operation benefit of the hydropower station, meanwhile, the specific condition of water flow needs to be monitored in real time, in the process, the flow value of instantaneous flow needs to be monitored, the flow within a period of time needs to be calculated, the accumulated value of the flow needs to be accurately measured, and the efficient operation of the hydropower station is ensured by the mode. The earlier big-and-middle-sized power station of domestic input does not have hydroelectric set operating efficiency measurement system mostly, the reason on the one hand is because under the environment of planning economy, can not attach importance to the economic function benefit of power station, thereby can't realize accurate measurement work, on the other hand is then because the installation and the manufacturing of big pipe diameter of big-and-middle-sized hydroelectric set and large-traffic rivers flow primary transducer all have a great deal of problem, therefore fail to obtain properly solving, consequently we develop the measurement and analysis device to hydraulic generator efficiency based on above-mentioned condition, be used for realizing the accurate evaluation and control to hydraulic generator efficiency, the utility model discloses a this design device's whole realization.
Disclosure of Invention
The utility model discloses a large-scale hydraulic generator efficiency detection and analysis device. The utility model discloses a realize through following technical scheme: the industrial flat computer is arranged on the surface of the case, a back plate faces to the inside of the case, a serial interface of the industrial flat computer is connected with an external communication interface of the communication card through a lead, a power interface of the industrial flat computer is connected to a direct current output end of a switching power supply through a lead, an input end of the switching power supply is connected to the power socket and is connected to an external power supply through the power socket, five three-wire platinum resistance acquisition cards are fixed in the case through guide rails, a signal end is connected to one side of a signal interface of a rear panel of the case, which faces to the inside of the case, and control signals of the five three-wire platinum resistance acquisition cards are respectively connected to the communication card through leads, the signal interface is connected with the three-wire platinum resistor on the testing machine set at one side outside the case, the five lead wires for power supply of the three-wire platinum resistor acquisition card are connected with the direct current output end of the linear power supply, the input end of the linear power supply is connected with the power socket, the device is connected to an external power supply through a power socket, two flow signal acquisition cards are fixed in a case through guide rails, signal ends are connected to one side, facing the inside of the case, of a signal interface of a rear panel of the case through leads, the signal interface is connected to a laser flowmeter arranged outside a pipeline of a testing machine set on one side outside the case, control signals of the two flow signal acquisition cards are respectively connected into communication cards through leads, a power supply end of each flow signal acquisition card is connected with a direct current output end of a linear power supply through a lead, and all signal wires and power wires of the three-wire platinum resistance acquisition card, the flow signal acquisition cards, the switching power supply and the linear power supply are placed.
Technical effects
The utility model discloses mainly adopt the calorimetric method to confirm that the efficiency development under the hydraulic generator rated operating mode forms for large-scale hydroelectric set, obtain total loss in order to confirm hydraulic generator efficiency through measuring all kinds of losses of hydraulic generator, it is very difficult to directly measure the loss, but all kinds of losses when hydraulic generator moves can all turn into the heat finally, transmit for coolant, make its temperature rise, consequently, adopt the calorimetric method to measure the temperature rise of each position of hydraulic generator, and each pipeline flow etc., the heat of calculating out the production, just can calculate the various losses of hydraulic generator, from this also can deduce hydraulic generator's efficiency. This kind of measuring method mainly is exactly to survey and get the temperature rise change of each position of hydraulic generator to and the flow in the pipeline, the utility model discloses just with temperature and flow measurement as the main part, acquire temperature rise and the flow data with the period through the measurement, calculate, the utility model discloses can realize the timing automatic acquisition of temperature and flow, save, show and analysis.
Drawings
FIG. 1 is a schematic diagram of the front panel structure of the device of the present invention
FIG. 2 is a schematic view of the internal structure of the device of the present invention
FIG. 3 is a schematic diagram of the structure of the rear panel of the device of the present invention
Detailed Description
As shown in FIG. 1, FIG. 2 and FIG. 3, the efficiency detection and analysis device for large-scale hydro-generator is composed of a portable case 1 with a handle, a panel-mounted industrial tablet computer 2, a power switch 3, a three-wire platinum resistance acquisition card 4, a cable groove 5, a communication card 6, a flow signal acquisition card 7, a switching power supply 8, a linear power supply 9, a power socket 10, a signal interface 11, a three-wire platinum resistance 12 and a laser flowmeter 13, wherein the industrial tablet computer 2 is mounted on the surface of the case 1, a back plate faces to the inside of the case 1, the serial interface of the industrial tablet computer 2 is connected with an external communication interface of the communication card 6 by a lead, the power interface of the industrial tablet computer 2 is connected with a direct current output end of the switching power supply 8 by a lead, an input end of the switching power supply 8 is connected to the power socket 10 and is connected to an external power supply by the power socket 10, five three, the signal end is connected with the signal interface 11 of the back panel of the case 1 by a lead wire and faces to one side in the case 1, the control signals of five three-wire platinum resistance acquisition cards 4 are respectively connected with the communication card 6 by the lead wire, the signal interface 11 is connected with the three-wire platinum resistance 12 on the testing unit at one side outside the case 1, the power supply of five three-wire platinum resistance acquisition cards 4 is connected with the direct current output end of the linear power supply 9 by the lead wire, the input end of the linear power supply 9 is connected with a power socket 10 and is connected with an external power supply through the power socket 10, two flow signal acquisition cards 7 are fixed in the case 1 by a guide rail, the signal end is connected with the signal interface 11 of the back panel of the case 1 and faces to one side in the case 1 by the lead wire, the signal interface 11 is connected with the laser flowmeter 13 arranged outside the testing unit at one side, the power supply end of the flow signal acquisition card 7 is connected with the direct current output end of the linear power supply 9 by a lead wire, and all signal wires and power wires of the three-wire platinum resistance acquisition card 4, the flow signal acquisition card 7, the switching power supply 8 and the linear power supply 9 are placed in the cable slot 5.
Claims (1)
1. The utility model provides a large-scale hydraulic generator efficiency detection analytical equipment which characterized by: the industrial flat computer (2) is arranged on the surface of the case (1), a backboard faces the inside of the case (1), a serial interface of the industrial flat computer (2) is connected with an external communication interface of the communication card (6) by a lead, a power interface of the industrial flat computer (2) is connected with a direct current output end of the switch power supply (8) by a lead, an input end of the switch power supply (8) is connected to the power socket (10) and is connected to an external power supply through the power socket (10), five three-wire platinum resistance acquisition cards (4) are fixed in a case (1) by guide rails, a signal end is connected to one side of a rear panel signal interface (11) of the case (1) facing the inside of the case (1) by leads, control signals of the five three-wire platinum resistance acquisition cards (4) are respectively connected into a communication card (6) by leads, the signal interface (11) is connected with a three-wire platinum resistance (12) on a test unit at one side outside the case (1), the five three-wire platinum resistance acquisition cards (4) are connected with a direct current output end of a linear power supply (9) by leads for power supply, an input end of the linear power supply (9) is connected to a power socket (10) and is connected to an external power supply through the power socket (10), two flow signal acquisition cards (7) are fixed in the case (1) by guide rails, the signal end is connected to one side of the rear panel signal interface (11) of the case, the signal interface (11) is connected with a laser flowmeter (13) arranged outside a testing machine set pipeline on one side outside the case (1), control signals of two flow signal acquisition cards (7) are respectively connected into the communication card (6) through leads, the power supply end of the flow signal acquisition card (7) is connected with the direct current output end of the linear power supply (9) through leads, and all signal lines and power lines of the three-wire platinum resistance acquisition card (4), the flow signal acquisition card (7), the switching power supply (8) and the linear power supply (9) are placed in the cable groove (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021261090.7U CN212646916U (en) | 2020-07-02 | 2020-07-02 | Efficiency detection and analysis device for large hydraulic generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021261090.7U CN212646916U (en) | 2020-07-02 | 2020-07-02 | Efficiency detection and analysis device for large hydraulic generator |
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| Publication Number | Publication Date |
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| CN212646916U true CN212646916U (en) | 2021-03-02 |
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| CN202021261090.7U Active CN212646916U (en) | 2020-07-02 | 2020-07-02 | Efficiency detection and analysis device for large hydraulic generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115963396A (en) * | 2022-12-01 | 2023-04-14 | 华中科技大学 | Passive permanent magnet motor set efficiency measuring device and method |
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2020
- 2020-07-02 CN CN202021261090.7U patent/CN212646916U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115963396A (en) * | 2022-12-01 | 2023-04-14 | 华中科技大学 | Passive permanent magnet motor set efficiency measuring device and method |
| CN115963396B (en) * | 2022-12-01 | 2024-02-23 | 华中科技大学 | Passive permanent magnet motor unit efficiency measuring device and method |
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