CN203606442U - Variable pitch charger detection platform of wind generating set - Google Patents

Variable pitch charger detection platform of wind generating set Download PDF

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Publication number
CN203606442U
CN203606442U CN201320686616.XU CN201320686616U CN203606442U CN 203606442 U CN203606442 U CN 203606442U CN 201320686616 U CN201320686616 U CN 201320686616U CN 203606442 U CN203606442 U CN 203606442U
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CN
China
Prior art keywords
charger
phase
cable
discharge
detection platform
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Withdrawn - After Issue
Application number
CN201320686616.XU
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Chinese (zh)
Inventor
钱毅泽
田峰
岳健
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Beijing Tianyuan Science & Technology Creation Windpower Technology Co Ltd
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Beijing Tianyuan Science & Technology Creation Windpower Technology Co Ltd
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Priority to CN201320686616.XU priority Critical patent/CN203606442U/en
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Publication of CN203606442U publication Critical patent/CN203606442U/en
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Abstract

The utility model discloses a variable pitch charger detection platform of a wind generating set. The platform comprises a three-phase power source, a contact type voltage regulator, a super-capacitor group, and a discharging resistor. The three-phase power source is connected with an input end of the contact type voltage regulator. An output end of the contact type voltage regulator is connected with a three-phase AC input cable. The other end of the cable is connected with a voltage input end of the charger. The cable is connected with a main loop switch, a phase loss test switch, an AC voltmeter, and an AC current detection unit. An input end of the super-capacitor group is connected with a two-phase DC output cable. The other end of the cable is connected with a DC output end of the charger, and the cable is connected with a DC voltmeter and a DC current detection unit. The super-capacitor group is connected with the discharging resistor through a two-phase discharging circuit cable. The cable is connected with a discharging switch. The detection platform can perform relatively comprehensive detection on performance of a variable pitch charger which is repaired, so as to improve product maintenance quality. The detection platform is also used for detection of outgoing products.

Description

A kind of wind generating set pitch control charger detection platform
Technical field
The utility model relates to charger detection field, particularly, relates to a kind of wind generating set pitch control charger detection platform.
Background technology
Pitch-controlled system is as important core of wind power generating set composition, and it can control the position of blade angle, guarantees wind power generating set safe operation.Wind power generating set is the end in whole electrical network all, and power grid quality is poor, and the quantity that causes change oar charger to lose efficacy is more, for cost-saving, now the change oar charger of inefficacy is keeped in repair to secondary utilization, improves the utilization factor of spare part.But how the change oar charger performance after reprocessing detects, and whether testing result meet operation parameter requirement, and this will be to weigh the whether qualified important indicator of product after maintenance.
At present existing is that change oar charger output terminal is connected to a powerful resistance to the change oar charger maintenance detection technique losing efficacy, and only detects for output characteristics, as the basic detection of rated current, rated voltage.
Such detection mode Detection of content form is single, can not carry out many-sided detection to becoming oar charger performance, can leave a lot of hidden danger, and then cause repair rate lower, and repair rate is higher.
Utility model content
The purpose of this utility model is to provide a kind of wind generating set pitch control charger detection platform, can carry out many-sided detection to the change oar charger performance after maintenance, to improve the repair quality of product, or make its detection for the product that dispatches from the factory, to improve product export qualification rate.
To achieve these goals, the utility model adopts following technical scheme:
A kind of wind generating set pitch control charger detection platform, comprising: three-phase electrical source of power, contact type voltage regulator, super capacitor group and discharge resistance; Described three-phase electrical source of power is connected with the input end of contact type voltage regulator by three-phase power cable, the output terminal of contact type voltage regulator is connected with three-phase alternating current input cable, and the other end of three-phase alternating current input cable is for being connected with the three-phase alternating voltage input end that becomes oar charger; On described three-phase alternating current input cable, be connected with major loop switch, and on any main line of three-phase alternating current input cable, a phase shortage Test Switchboard is installed, be parallel with A.C. voltmeter being equipped with on the main line of phase shortage Test Switchboard and other any main lines, on a remaining main line, be connected with the alternating current detecting unit that contains alternating current ammeter; The input end of described super capacitor group is connected with two-phase direct current output cable, and the other end of two-phase direct current output cable is for being connected with the two-phase DC output end that becomes oar charger; The direct current detection unit that is connected with D.C. voltmeter and contains DC ammeter on described two-phase direct current output cable; The positive and negative end of described super capacitor group is also connected with described discharge resistance by two-phase discharge loop cable, on two-phase discharge loop cable, is connected with discharge switch.
Further, also comprise operation and display panel, described A.C. voltmeter, alternating current ammeter, D.C. voltmeter, DC ammeter, major loop switch, phase shortage Test Switchboard and discharge switch are integrated on operation and display panel.
Further, also comprise: 24V power module, charger enable given relay, electric discharge contactor, and be integrated in operation and enable given switch, charger with 24V switch of the power supply module, charger on display panel and enable to feed back pilot lamp, electric discharge contactless contactor, discharge indicating lamp, charger feedback pilot lamp working properly, charger working station indicator, wherein: described 24V power module is connected with three-phase electrical source of power; Charger enables given switch and charger and enables given relay and be connected in series on 24V power module, charger enables given relay two normally opened contacts, a normally opened contact is for being connected with charger internal control signal port, and another normally opened contact and charger enable to feed back pilot lamp and be connected in series on 24V power module; Electric discharge contactless contactor forms described discharge switch with electric discharge contactor, electric discharge contactless contactor is connected in series on 24V power module with electric discharge contactor, electric discharge contactor has three normally opened contacts, and wherein two normally opened contacts are connected with one of two-phase discharge loop cable respectively; Another normally opened contact and discharge indicating lamp are connected in series on 24V power module; Described charger feedback pilot lamp working properly one end is connected with the 24V end of 24V power module, and the other end is for being connected with charger feedback signal port, and the 0V of 24V power module holds also for being connected with charger feedback signal port; Charger working station indicator is for being connected with the status signal port that becomes oar charger.
Further, described alternating current detecting unit also comprises the current transformer being connected on described main line, and described alternating current ammeter is connected to the two ends of current transformer.
Further, described direct current detection unit also comprises shunt, and shunt is connected on the two-phase direct current output cable being connected with the positive pole of super capacitor group, and described DC ammeter is connected to the two ends of shunt.
Further, described detection platform also comprises the cell body for placing change oar charger and the protective cover plate coordinating with cell body, and described cell body and protective cover plate all insulate with change oar charger.
Further, described cell body is inner groovy version.
Further, described cell body inwall and be pasted with insulation rubber cushion at interior the end, described protective cover plate adopts PVC material.
Compared with prior art, the utlity model has following beneficial effect:
1, the utility model belongs to change oar charger detection platform, performance for the change oar charger to after maintenance compares comprehensive detection, can realize input performance test, output performance test, become the trickle charge ability detection of the detection of oar charger automatic charging and change oar charger etc., the data of measuring by digital display voltage/current table, according to computing formula, the efficiency of charger is judged, greatly reduce potential safety hazard, improved the repair quality of product.
2, the utility model can also show for the internal control signal on charger and feedback signal, detects the duty of charger, can carry out detection in all directions to the performance that becomes oar charger, has further got rid of potential safety hazard, improves the repair quality of product.
3, the internal control signal of charger, feedback signal and status signal are integrated into operation and display panel by the utility model, shows by pilot lamp, the real-time status of charger can be fed back clearly; A.C. voltmeter, alternating current ammeter, D.C. voltmeter and DC ammeter are all integrated into operation and display panel simultaneously, can observe the input of charger and the data of output simultaneously and show, the data that show according to digital display ammeter, the performance of measurement charger.On operation and display panel, be also integrated with operating switch.Not only facilitated operation by above-mentioned setting, but also more directly perceived, clear various parameters and the state that demonstrates charger reaches conveniently object.
4, by the protective cover plate that designs trough body structure and coordinate with cell body, there are three benefits: the first, change oar charger and detection platform to be detected are effectively isolated; The second, become oar charger in cell body, in the time of test, tester can not occur directly to contact with charger to be detected, prevents from getting an electric shock; The 3rd, if occur that charger bursts while test, but there is protective cover plate protection, can effectively avoid injury to personnel.
5, the detection platform of the present utility model detection of product that is applicable to too to dispatch from the factory, can improve product export qualification rate.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the circuit frame principle figure of a kind of wind generating set pitch control charger of the utility model detection platform;
Fig. 2 is the electrical schematic diagram of a kind of wind generating set pitch control charger of the utility model detection platform;
Fig. 3 is the main TV structure schematic diagram of a kind of wind generating set pitch control charger of the utility model detection platform;
Fig. 4 is the side-looking structural representation of a kind of wind generating set pitch control charger of the utility model detection platform.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for description and interpretation the utility model, and be not used in restriction the utility model.
As depicted in figs. 1 and 2, a kind of wind generating set pitch control charger detection platform of the present utility model, for change oar charger 4 after maintenance or that just dispatched from the factory is detected, comprise three-phase electrical source of power 1, contact type voltage regulator 2, operation and display panel 3, super capacitor group 5, discharge resistance 6.
Three-phase electrical source of power 1 is connected with the input end of contact type voltage regulator 2 by three-phase power cable, the output terminal of contact type voltage regulator 2 is connected with three-phase alternating current input cable, and the other end of three-phase alternating current input cable is for being connected with the three-phase alternating voltage input end 402 that becomes oar charger 4; On three-phase alternating current input cable, be connected with major loop switch Q1, and a phase shortage Test Switchboard Q2 is installed on any main line of three-phase alternating current input cable, be parallel with A.C. voltmeter 7 being equipped with on the main line of phase shortage Test Switchboard Q2 and other any main lines, on a remaining main line, be connected with the alternating current detecting unit that contains alternating current ammeter 11.Alternating current detecting unit also comprises the current transformer 9 being connected on described main line, and alternating current ammeter 11 is connected to the two ends of current transformer 9.
The input end of super capacitor group 5 is connected with two-phase direct current output cable, and the other end of two-phase direct current output cable is for being connected with the two-phase DC output end 403 that becomes oar charger; The direct current detection unit that is connected with D.C. voltmeter 8 and contains DC ammeter 12 on two-phase direct current output cable.Direct current detection unit also comprises shunt 10, and shunt 10 is connected on the two-phase direct current output cable being connected with the positive pole of super capacitor group 5, and DC ammeter 12 is connected to the two ends of shunt 10.
The positive and negative end of super capacitor group 5 is also connected with discharge resistance 6 by two-phase discharge loop cable, on two-phase discharge loop cable, is connected with discharge switch.
Coordinate shown in Fig. 3, above-mentioned A.C. voltmeter 7, alternating current ammeter 11, D.C. voltmeter 8, DC ammeter 12, major loop switch Q1, phase shortage Test Switchboard Q2 and discharge switch are integrated on operation and display panel 3.
Above-mentioned wind generating set pitch control charger detection platform also can comprise: 24V power module 13, charger enable given relay K 1, electric discharge contactor K2, and be integrated in operation and enable given switch F2, charger with 24V switch of the power supply module F1, charger on display panel 3 and enable to feed back pilot lamp L3, electric discharge contactless contactor F3, discharge indicating lamp L4, charger feedback pilot lamp working properly L2, charger working station indicator L1, working platform pilot lamp L5, wherein:
24V power module 13 is connected with three-phase electrical source of power 1; Charger enables given switch F2 and charger and enables given relay K 1 and be connected in series on 24V power module 13, charger enables given relay K 1 two normally opened contact K101, K102, a normally opened contact K101 is for being connected with charger internal control signal port 404, and another normally opened contact K102 and charger enable to feed back pilot lamp L3 and be connected in series on 24V power module 13; Electric discharge contactless contactor F3 and electric discharge contactor K2 form described discharge switch, electric discharge contactless contactor F3 and electric discharge contactor K2 are connected in series on 24V power module 13, electric discharge contactor K2 has two of three normally opened contact K201(), K202, wherein two normally opened contact K201 are connected with one of two-phase discharge loop cable respectively; Another normally opened contact K202 and discharge indicating lamp L4 are connected in series on 24V power module 13.Charger feedback pilot lamp L2 working properly one end is connected with the 24V end of 24V power module 13, and the other end is for being connected with charger feedback signal port 405, and the 0V of 24V power module 13 holds also for being connected with charger feedback signal port 405; Charger working station indicator L1 is for being connected with the status signal port 401 that becomes oar charger.
The function of the part building block to wind generating set pitch control charger detection platform of the present utility model is introduced below:
Three-phase electrical source of power is for two loops, and the one, be connected with the input end of contact type voltage regulator by cable, for major loop provides operating voltage, the 2nd, be connected with 24V power module by cable, for follow-up relay and pilot lamp provide operating voltage.
Contact type voltage regulator is connected on the input end of major loop, and for regulating the input voltage width that becomes oar charger, and then whether the input characteristics of detection change oar charger meets design requirement.
Operation is respectively alternating current ammeter, A.C. voltmeter, DC ammeter and D.C. voltmeter with four digital display ammeters that display panel is installed.Alternating current ammeter seals in a phase of major loop input end by current transformer, for measuring single-phase input current, can prepare for the efficiency of subsequent calculations charger provides data; One end of A.C. voltmeter is connected on the phase that phase shortage Test Switchboard is installed, and the other end is connected on any phase in all the other two-phases, so both can measure real time data while showing input voltage, the data can measure phase shortage again time; The shunt that DC ammeter is connected with super capacitor group by being connected on charger output terminal, carries out measurement and display to real-time output current; D.C. voltmeter is connected to the both positive and negative polarity of super capacitor group, for the output voltage situation of measurement and display charger.
Super capacitor group adopts multiple monomer capacitances in series to form, and capacitance group will match with the output characteristics that becomes oar charger in the time of type selecting, is convenient to detect.Because charger has no-load protection function, need, by the output terminal of super capacitor group connecting charger, by charger, it be charged, super capacitor group is carried out energy storage, thereby detects the output situation of charger.
Discharge resistance is for discharging to super capacitor group, energy in super capacitor group consumes in the mode of heat by discharge resistance, can will be full of the electric super capacitor group portion of energy of releasing, detect self-starting charging ability and the trickle charge ability to work of charger.In the time that platform is not worked, can also the energy in super capacitor group all be released by discharge resistance, to guarantee safety.
A kind of wind generating set pitch control charger detection platform of the present utility model, on surface structure, can arrange one and become the cell body of oar charger and the protective cover plate coordinating with cell body for placing, and cell body and protective cover plate all insulate with change oar charger.
Specifically can coordinate shown in Fig. 3, Fig. 4, wherein cell body is preferably inner groovy structure 14.At the inwall of inner groovy structure 14 and be pasted with insulation rubber cushion, protective cover plate adopts PVC material at interior the end.Be designed with like this three benefits: the first, charger to be detected and detection platform are effectively isolated; The second, charger is in groove, and in the time of test, tester can not occur directly to contact with charger to be detected, prevents from getting an electric shock; The 3rd, if occur that charger bursts while test, but there is protective cover plate protection, can effectively avoid injury to personnel.
Concrete using method and the principle of work of wind generating set pitch control charger detection platform of the present utility model are:
Coordinate shown in Fig. 3, change oar charger 4 to be detected is placed in inner groovy structure 14, carry out afterwards the connection of line related.
Coordinate shown in Fig. 2, three-phase electrical source of power 1 is for two loops, and the one, be connected with 24V power module 13 by cable, for follow-up relay and pilot lamp provide operating voltage; The 2nd, be connected with the input end of contact type voltage regulator 2 by cable, suitable for reading being connected of output terminal and major loop switch Q1, end opening is connected with the three-phase alternating voltage input end 402 that becomes oar charger 4, a phase shortage Test Switchboard Q2 is wherein installed on any main line, an A.C. voltmeter 7 in parallel on the main line of phase shortage Test Switchboard Q2 and the main line of any phase cable is being housed becomes for measurement and display the real-time input voltage of oar charger 4; On a remaining main line, seal in a current transformer 9, the two ends of mutual inductor are connected to alternating current ammeter 11, become the real-time input current of oar charger 4 for measurement and display; The status signal port 401 that becomes oar charger is connected with the charger working station indicator L1 of display panel 3 with operation, for showing the real-time status of charger; Charger internal control signal port 404 is connected with the K101 contact that charger enables given relay K 1, when charger enables given switch F2 closure, charger enables given relay K 1 and obtains electric, K101 contact, the K102 closing of contact, K101 contact enables for given charger work, K102 contact enables to feed back pilot lamp L3 with charger and is connected, and feeds back for enabled state; Charger feedback signal port 405 one end are connected to 0V, and one end seals in change oar charger 4 feedback pilot lamp L2 working properly and meets 24V, for showing the work feedback states of charger; The two-phase DC output end 403 of charger is connected with super capacitor group 5 by cable, at the both positive and negative polarity parallel connection direct voltage table 8 of super capacitor group 5, becomes the output voltage of oar charger 4 for measurement and display; Positive pole and port 403 in super capacitor group 5 seal in a shunt 10, and a D.C. voltmeter in parallel on shunt, for measuring the output DC current that becomes oar charger 4; Seal in the K201 contact of a pair of electric discharge relay K 2 at the positive and negative end of super capacitor group 5, rear end is connected with discharge resistance, when electric discharge contactless contactor F3 closure, electric discharge contactor K2 obtains electric, K201 contact, the K202 closing of contact, K201 contact is for the energy of the super capacitor group 5 of releasing, and K202 contact is connected for the demonstration to super capacitor group 5 discharge conditions with discharge indicating lamp L4.
In sum, the utility model belongs to change oar charger detection platform, carry out many-side so that comprehensively detect for the performance of the wind generating set pitch control charger to after maintenance, can get rid of potential safety hazard, improve the repair quality of product, be applicable to too the to dispatch from the factory detection of product, can improve product export qualification rate.
Finally it should be noted that: the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record previous embodiment is modified, or part technical characterictic is wherein equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (8)

1. a wind generating set pitch control charger detection platform, is characterized in that, comprising: three-phase electrical source of power, contact type voltage regulator, super capacitor group and discharge resistance;
Described three-phase electrical source of power is connected with the input end of contact type voltage regulator by three-phase power cable, the output terminal of contact type voltage regulator is connected with three-phase alternating current input cable, and the other end of three-phase alternating current input cable is for being connected with the three-phase alternating voltage input end that becomes oar charger; On described three-phase alternating current input cable, be connected with major loop switch, and on any main line of three-phase alternating current input cable, a phase shortage Test Switchboard is installed, be parallel with A.C. voltmeter being equipped with on the main line of phase shortage Test Switchboard and other any main lines, on a remaining main line, be connected with the alternating current detecting unit that contains alternating current ammeter;
The input end of described super capacitor group is connected with two-phase direct current output cable, and the other end of two-phase direct current output cable is for being connected with the two-phase DC output end that becomes oar charger; The direct current detection unit that is connected with D.C. voltmeter and contains DC ammeter on described two-phase direct current output cable;
The positive and negative end of described super capacitor group is also connected with described discharge resistance by two-phase discharge loop cable, on two-phase discharge loop cable, is connected with discharge switch.
2. wind generating set pitch control charger detection platform according to claim 1, it is characterized in that, also comprise operation and display panel, described A.C. voltmeter, alternating current ammeter, D.C. voltmeter, DC ammeter, major loop switch, phase shortage Test Switchboard and discharge switch are integrated on operation and display panel.
3. wind generating set pitch control charger detection platform according to claim 2, it is characterized in that, also comprise: 24V power module, charger enable given relay, electric discharge contactor, and be integrated in operation and enable given switch, charger with 24V switch of the power supply module, charger on display panel and enable to feed back pilot lamp, electric discharge contactless contactor, discharge indicating lamp, charger feedback pilot lamp working properly, charger working station indicator, wherein:
Described 24V power module is connected with three-phase electrical source of power; Charger enables given switch and charger and enables given relay and be connected in series on 24V power module, charger enables given relay two normally opened contacts, a normally opened contact is for being connected with charger internal control signal port, and another normally opened contact and charger enable to feed back pilot lamp and be connected in series on 24V power module;
Electric discharge contactless contactor forms described discharge switch with electric discharge contactor, electric discharge contactless contactor is connected in series on 24V power module with electric discharge contactor, electric discharge contactor has three normally opened contacts, and wherein two normally opened contacts are connected with one of two-phase discharge loop cable respectively; Another normally opened contact and discharge indicating lamp are connected in series on 24V power module;
Described charger feedback pilot lamp working properly one end is connected with the 24V end of 24V power module, and the other end is for being connected with charger feedback signal port, and the 0V of 24V power module holds also for being connected with charger feedback signal port;
Charger working station indicator is for being connected with the status signal port that becomes oar charger.
4. wind generating set pitch control charger detection platform according to claim 1, is characterized in that, described alternating current detecting unit also comprises the current transformer being connected on described main line, and described alternating current ammeter is connected to the two ends of current transformer.
5. wind generating set pitch control charger detection platform according to claim 1, it is characterized in that, described direct current detection unit also comprises shunt, shunt is connected on the two-phase direct current output cable being connected with the positive pole of super capacitor group, and described DC ammeter is connected to the two ends of shunt.
6. according to the wind generating set pitch control charger detection platform described in claim 1-5 any one, it is characterized in that, described detection platform also comprises the cell body for placing change oar charger and the protective cover plate coordinating with cell body, and described cell body and protective cover plate all insulate with change oar charger.
7. wind generating set pitch control charger detection platform according to claim 6, is characterized in that, described cell body is inner groovy version.
8. wind generating set pitch control charger detection platform according to claim 6, is characterized in that, described cell body inwall and be pasted with insulation rubber cushion at interior the end, and described protective cover plate adopts PVC material.
CN201320686616.XU 2013-11-01 2013-11-01 Variable pitch charger detection platform of wind generating set Withdrawn - After Issue CN203606442U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103543364A (en) * 2013-11-01 2014-01-29 北京天源科创风电技术有限责任公司 Wind generating set variable pitch charger detecting platform
CN104535808A (en) * 2015-01-05 2015-04-22 北京天源科创风电技术有限责任公司 Adjustable voltage source test platform
CN106932663A (en) * 2015-12-29 2017-07-07 中国石油天然气股份有限公司 The measuring instrument of frequency conversion system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103543364A (en) * 2013-11-01 2014-01-29 北京天源科创风电技术有限责任公司 Wind generating set variable pitch charger detecting platform
CN103543364B (en) * 2013-11-01 2016-02-24 北京天源科创风电技术有限责任公司 A kind of wind generating set pitch control charger detection platform
CN104535808A (en) * 2015-01-05 2015-04-22 北京天源科创风电技术有限责任公司 Adjustable voltage source test platform
CN106932663A (en) * 2015-12-29 2017-07-07 中国石油天然气股份有限公司 The measuring instrument of frequency conversion system
CN106932663B (en) * 2015-12-29 2021-04-30 中国石油天然气股份有限公司 Measuring instrument of frequency conversion system

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