CN203551700U - Low-grid-capacity high-power hydro-viscous soft starter load test device - Google Patents
Low-grid-capacity high-power hydro-viscous soft starter load test device Download PDFInfo
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- CN203551700U CN203551700U CN201320732759.XU CN201320732759U CN203551700U CN 203551700 U CN203551700 U CN 203551700U CN 201320732759 U CN201320732759 U CN 201320732759U CN 203551700 U CN203551700 U CN 203551700U
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Abstract
The utility model discloses a low-grid-capacity high-power hydro-viscous soft starter load test device. The low-grid-capacity high-power hydro-viscous soft starter load test device includes a three-phase alternating-current power source, a first rectifier device, a first inverter device, a second inverter device, an alternating-current variable frequency motor, and an alternating-current variable frequency generator The output end of the three-phase alternating-current power source is electrically connected with the input end of the first rectifier device. The output end of the first rectifier device is electrically connected with the input end of the first inverter device. The output end of the first inverter device is electrically connected with the alternating-current variable frequency motor. The output shaft of the alternating-current variable frequency motor is connected with the input shaft of a hydro-viscous soft starter. The output shaft of the hydro-viscous soft starter is connected with the input shaft of the alternating-current variable frequency generator. The power output end of the alternating-current variable frequency generator is connected with the input end of the second inverter device. The output end of the second inverter device is connected with the input end of the first inverter device. According to the utility model, not only the tested hydro-viscous soft starter can be loaded, and but also the energy can be reused circularly, so the consumption of electric energy can be greatly reduced.
Description
Technical field
The utility model relates to the sticky soft start load testing machine technical field of liquid, particularly the sticky soft initiator load testing machine of a kind of low net capacity high power liquid.
Background technology
The sticky soft initiator of liquid is mainly used in starting or the speed governing of the various driven equipments that permanent moment of torsion or rotating speed be directly proportional to load, as the even acceleration starting of belt conveyor, the speed governing operation of blower fan, water pump etc., particularly in the mine belt conveyor of long haul distance, large conveying quantity, apply, greatly improved the dynamic property of conveyor.Because the sticky soft initiator of this liquid almost can make empty load of motor starting, after electric motor starting arrives rated speed even running, the adjusting of controlling by liquid sticking device oil pressure, the output shaft band that makes liquid glue soft initiator carries and accelerates to gradually rated speed, even running, therefore greatly reduce the particularly impact of main equipment starting to electrical network of various Electric Traction equipment, greatly reduce starting current, the starting time is adjustable.
In addition because the sticky soft initiator of this liquid is by the oil film carry-over moment between friction disc, therefore in operational process, load changes electrical network driven equipment is impacted fast, vibrate less, to belt conveyor product, can also reduce belt strength, extend the adhesive tape life-span, to the starting and stopping of belt conveyor, run more secure, reliable, economy.
Once but the sticky soft initiator of this liquid is used, be the critical component of driven equipment, once lose efficacy or damaged causing running abort of equipment, security incident even occur.
Severe for work condition environment under coal mine, the sticky general installed capacity of soft initiator of the liquid of its use is mostly more than hundreds of kilowatt, the safe reliability of the sticky soft initiator of liquid that therefore requirement is used is more and more higher, for this sticky soft initiator of this liquid is carried out to loading performance checking in laboratory is very necessary and significant.
But the power of the sticky soft initiator of these liquid is generally very large, makers' net capacity often can not meet the load test of the sticky soft initiator consuming type of some high-power liquid, if increase net capacity, huge investment will be brought, even cannot expand net capacity, this is very uneconomical concerning the producer of the load test of the sticky soft initiator consuming type of some high-power liquid maybe cannot realize.For this reason, how under the scale of existing low net capacity, solve the sticky soft initiator of high-power liquid far beyond net capacity and carry out load test and will be the difficult problem that industry need to solve.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of low net capacity high power liquid to glue soft initiator load testing machine for above-mentioned the deficiencies in the prior art, the sticky soft start load testing machine of this low net capacity high power liquid can solve under the scale of existing low net capacity, the sticky soft initiator of the high-power liquid far beyond net capacity is carried out to the problem of load test.
Technical problem to be solved in the utility model can be achieved through the following technical solutions:
Low net capacity high power liquid glues soft initiator load testing machine, comprises three-phase alternating-current supply, the first fairing, the first inverter, the second inverter, alternating-current variable frequency motor, AC frequency conversion generator, the output terminal of wherein said three-phase alternating-current supply is electrically connected to the input end of described the first fairing, the first described fairing output terminal is electrically connected to the input end of the first described inverter, the output terminal of the first inverter and described alternating-current variable frequency power mechatronics, the output shaft of described alternating-current variable frequency motor is connected with the input shaft of the sticky soft initiator of liquid, the output shaft of the described sticky soft initiator of liquid is connected with the input shaft of described AC frequency conversion generator, the power output end of described AC frequency conversion generator is connected with the input end of the second described inverter, the output terminal of the second described inverter is connected with the input end of the first described inverter.
In a preferred embodiment of the present utility model, also comprise the second fairing, the output terminal of the second described fairing is connected with the output terminal of described three-phase alternating-current supply, and the input end of the second described fairing is connected with the output terminal of the second described inverter.
In a preferred embodiment of the present utility model, also comprise the first torque rotary speed sensor and the second torque rotary speed sensor, between the input shaft of the output shaft that wherein the first torque rotary speed sensor is arranged on described alternating-current variable frequency motor and the described sticky soft initiator of liquid, the second described torque rotary speed sensor is arranged on described liquid and glues between the output shaft of soft initiator and the input shaft of described AC frequency conversion generator.
In a preferred embodiment of the present utility model, also comprise the first secondary instrument, the second secondary instrument, temperature sensor, pressure transducer, power sensor, data acquisition system (DAS), control desk, host computer, printer, display, wherein the signal input part of the first secondary instrument is connected with the first torque rotary speed sensor signal output part, and the signal input part of the second secondary instrument is connected with the signal output part of described the second torque rotary speed sensor, temperature sensor, pressure transducer, the signal input part of power sensor is connected with the signal output part of the sticky soft initiator of described liquid, temperature sensor, pressure transducer, the signal output part of power sensor, the signal output part of the first secondary instrument, the signal output part of the second secondary instrument is connected with the signals collecting end of described data acquisition system (DAS), the control signal input end of described data acquisition system (DAS) connects described control desk, the signal output part of described data acquisition system (DAS) is connected with described host computer, and described host computer also connects described printer and display.
The principle of work of the sticky soft initiator load testing machine of low net capacity high power liquid of the present utility model is as follows:
When three-phase alternating-current supply drives alternating-current variable frequency motor rotation to required rotating speed by the first fairing and the first inverter, the sticky soft initiator input shaft of underproof liquid rotates, controller in the sticky soft initiator of regulator solution, starts at a slow speed to specified or required rotating speed the output shaft of the sticky soft initiator of liquid.The output shaft of the sticky soft initiator of liquid drives AC frequency conversion generator to rotate and generates electricity.When needs load, regulate the given of the second inverter, AC frequency conversion generator is converted into electric energy by mechanical energy, then by electrical energy transfer to the first inverter, then loads electric energy to alternating-current variable frequency motor, and the sticky soft initiator of underproof liquid is loaded.
The utility model is by being converted into the most of mechanical energy of the output shaft of the sticky soft initiator of underproof liquid after electric energy through AC frequency conversion generator, through the second inverter, be loaded on the first inverter, drive again alternating-current variable frequency motor, reach and can load the sticky soft initiator of underproof liquid, can make again energy circulation recycling, greatly save electric energy.The power of exporting due to the first fairing only needs to drive, loads the first inverter and driven, loads alternating-current variable frequency motor and supplied with the part driving member autophages such as the sticky soft initiator of underproof liquid by the first inverter, therefore the power that in fact the sticky soft initiator of low net capacity high power liquid of the present utility model receives from electrical network is very little, institute's consumed power is about 20% of specified test power, realize very little net capacity and can glue to high-power liquid the load test at full capacity of soft initiator, and can continuous electrodeless loading, and stable operation under can arbitrary load.The sticky soft initiator antijamming capability of low net capacity high power liquid of utility model is strong, stable, practical.
The parameters of the sticky soft initiator of underproof liquid is by torque rotary speed sensor, temperature sensor, pressure transducer etc. and supporting corresponding instrument, by industrial computer, sample, data processing, can measure every technical parameter, as torque, rotating speed, temperature, temperature rise, pressure, power modulation, and can draw corresponding graph curve, complete the loading performance test to various rotating speeds, various power, the sticky soft initiator of unequally loaded liquid.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the sticky soft initiator of the low net capacity high power of the utility model liquid.
Embodiment
Below in conjunction with the drawings and specific embodiments, further describe the utility model.
Referring to Fig. 1, the sticky soft initiator load testing machine of low net capacity high power liquid providing in figure, comprises three-phase alternating-current supply 1, fairing 2,3, inverter 4,5, alternating-current variable frequency motor 7, AC frequency conversion generator 8, torque rotary speed sensor 9,10, temperature sensor 14, pressure transducer 15, power sensor 21, secondary instrument 12,13, data acquisition system (DAS) 16, control desk 17, display 18, computing machine 19 and printer 20.
The output terminal of three-phase alternating-current supply 1 is electrically connected to the input end of fairing 2, the output terminal of fairing 2 is electrically connected to the input end A of inverter 4, the output terminal of inverter 4 is electrically connected to alternating-current variable frequency motor 7, the output shaft of alternating-current variable frequency motor 7 is connected with the input shaft of the sticky soft initiator 11 of liquid by torque rotary speed sensor 9, the output shaft of the sticky soft initiator 11 of liquid is connected with the input shaft of AC frequency conversion generator 8 by torque rotary speed sensor 10, the power output end of AC frequency conversion generator 8 is connected with the input end of inverter 5, the output terminals A of inverter 5 ' be connected with the input end A of inverter 4.The output terminals A of inverter 5 ' be also electrically connected to the input end of fairing 3, the output terminal of fairing 3 is connected with the output terminal of three-phase alternating-current supply 1.
The signal input part of secondary instrument 12 is connected with torque rotary speed sensor 9 signal output parts, the signal input part of secondary instrument 13 is connected with the signal output part of torque rotary speed sensor 10, temperature sensor 14, pressure transducer 15, the signal input part of power sensor 21 is connected with the signal output part of the sticky soft initiator 11 of liquid, temperature sensor 14, pressure transducer 15, the signal output part of power sensor 21, secondary instrument 12, 13 signal output part is connected with the signals collecting end of data acquisition system (DAS) 16, the control signal input end of data acquisition system (DAS) 16 connects control desk 17, the signal output part of data acquisition system (DAS) 16 is connected with host computer 19, host computer 19 also connects printer 20 and display 18.
In addition in the output terminals A of inverter 5 ' can be connected as required some necessary annexes, such as protective resistance, switch etc. with the input end A of inverter 4
The principle of work of the sticky soft initiator load testing machine of low net capacity high power liquid of this embodiment is the same, does not repeat them here.
Claims (4)
1. the sticky soft initiator load testing machine of low net capacity high power liquid, comprises three-phase alternating-current supply, the first fairing, the first inverter, the second inverter, alternating-current variable frequency motor, AC frequency conversion generator, the output terminal of wherein said three-phase alternating-current supply is electrically connected to the input end of described the first fairing, the first described fairing output terminal is electrically connected to the input end of the first described inverter, the output terminal of the first inverter and described alternating-current variable frequency power mechatronics, the output shaft of described alternating-current variable frequency motor is connected with the input shaft of the sticky soft initiator of liquid, the output shaft of the described sticky soft initiator of liquid is connected with the input shaft of described AC frequency conversion generator, the power output end of described AC frequency conversion generator is connected with the input end of the second described inverter, the output terminal of the second described inverter is connected with the input end of the first described inverter.
2. low net capacity high power liquid as claimed in claim 1 glues soft initiator load testing machine, it is characterized in that, also comprise the second fairing, the output terminal of the second described fairing is connected with the output terminal of described three-phase alternating-current supply, and the input end of the second described fairing is connected with the output terminal of the second described inverter.
3. low net capacity high power liquid as claimed in claim 1 or 2 glues soft initiator load testing machine, it is characterized in that, also comprise the first torque rotary speed sensor and the second torque rotary speed sensor, between the input shaft of the output shaft that wherein the first torque rotary speed sensor is arranged on described alternating-current variable frequency motor and the described sticky soft initiator of liquid, the second described torque rotary speed sensor is arranged on described liquid and glues between the output shaft of soft initiator and the input shaft of described AC frequency conversion generator.
4. the sticky soft initiator load testing machine of low net capacity high power liquid as claimed in claim 3, is characterized in that, also comprises the first secondary instrument, the second secondary instrument, temperature sensor, pressure transducer, power sensor, data acquisition system (DAS), control desk, host computer, printer, display, wherein the signal input part of the first secondary instrument is connected with the first torque rotary speed sensor signal output part, and the signal input part of the second secondary instrument is connected with the signal output part of described the second torque rotary speed sensor, temperature sensor, pressure transducer, the signal input part of power sensor is connected with the signal output part of the sticky soft initiator of described liquid, temperature sensor, pressure transducer, the signal output part of power sensor, the signal output part of the first secondary instrument, the signal output part of the second secondary instrument is connected with the signals collecting end of described data acquisition system (DAS), the control signal input end of described data acquisition system (DAS) connects described control desk, the signal output part of described data acquisition system (DAS) is connected with described host computer, and described host computer also connects described printer and display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320732759.XU CN203551700U (en) | 2013-11-18 | 2013-11-18 | Low-grid-capacity high-power hydro-viscous soft starter load test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320732759.XU CN203551700U (en) | 2013-11-18 | 2013-11-18 | Low-grid-capacity high-power hydro-viscous soft starter load test device |
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| Publication Number | Publication Date |
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| CN203551700U true CN203551700U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320732759.XU Expired - Fee Related CN203551700U (en) | 2013-11-18 | 2013-11-18 | Low-grid-capacity high-power hydro-viscous soft starter load test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114460460A (en) * | 2021-12-18 | 2022-05-10 | 北京动力机械研究所 | High-speed high-power generator-starting opposite-dragging test system |
| CN115950631A (en) * | 2023-03-13 | 2023-04-11 | 太原理工大学 | CST (continuous stirred tank reactor) hydraulic viscosity transmission test device for realizing power grid energy recovery |
-
2013
- 2013-11-18 CN CN201320732759.XU patent/CN203551700U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114460460A (en) * | 2021-12-18 | 2022-05-10 | 北京动力机械研究所 | High-speed high-power generator-starting opposite-dragging test system |
| CN115950631A (en) * | 2023-03-13 | 2023-04-11 | 太原理工大学 | CST (continuous stirred tank reactor) hydraulic viscosity transmission test device for realizing power grid energy recovery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200030 Shanghai, Xuhui District Key Bridge Road, No. 1 Patentee after: CHINA COAL TECHNOLOGY & ENGINEERING GROUP SHANGHAI RESEARCH INSTITUTE Patentee after: Shanghai Co., Ltd of Zhong Meike work group Address before: 200030 Shanghai, Xuhui District Key Bridge Road, No. 1 Patentee before: CHINA COAL TECHNOLOGY & ENGINEERING GROUP SHANGHAI RESEARCH INSTITUTE Patentee before: SHANGHAI ANYUN TRANSPORT EQUIPMENT CO., LTD. |
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| 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: 20140416 Termination date: 20161118 |