CN104535872B - A kind of multi-stag detects the testing stand of power distribution cabinet - Google Patents
A kind of multi-stag detects the testing stand of power distribution cabinet Download PDFInfo
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- CN104535872B CN104535872B CN201510018095.4A CN201510018095A CN104535872B CN 104535872 B CN104535872 B CN 104535872B CN 201510018095 A CN201510018095 A CN 201510018095A CN 104535872 B CN104535872 B CN 104535872B
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- distribution cabinet
- power distribution
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Abstract
The present invention provides the testing stand that a kind of multi-stag detects power distribution cabinet, national grid unit, power distribution cabinet sample, motor, excitation generator, display control cabinet and trimmable resistance device that the multi-stag of input including concatenating bottom-ranked unit by the output end of superordinate elements is distributed, the excitation knob of exciting current size of the display control cabinet provided with regulator generator and the voltage x current display module of display generator and the output voltage electric current of power distribution cabinet sample, trimmable resistance device is fixed in barrel-shaped conductive liquid container, and conduction liquid is contained with conductive liquid container.The beneficial effects of the invention are as follows the detection experiments such as the energization operation that can be completed to low-voltage distribution cabinet, variable load operation, secondary circuit operation, current overload operation, earth leakage protective operation and reliability operation; incipient failure, chance failure and the spoilage malfunction of low-voltage distribution cabinet are effectively reduced, product qualification rate of dispatching from the factory is ensure that.
Description
Technical field
The invention belongs to the testing stand field that power distribution cabinet sample quality is examined, distribution is detected more particularly, to a kind of multi-stag
The testing stand of cabinet.
Background technology
With the development of distribution industry, electric elements quality, functional reliability, the security of power distribution cabinet, complete machine, which is powered, to be examined
Test, fictitious load operation, measuring instrument operation and complete machine service life examination etc., receive more stringent requirement；Now
The most detecting instruments used are single function test bed and tester, such as：Switch cubicle energizing test platform, high pressure pressure test platform and
Relay protection secondary circuit tester etc., these detection testing equipments serve raising and stable prod to a certain extent
The effect of quality, but because detection project is more, it is many using instrument, so, produce producer and seldom carry out product batches inspection and take out
Inspection, reliability test and the operation of energization fictitious load to product, substantially without existing to arrive the laboratory of national counterpart
Detection experiment is done, the reason for spending many, time-consuming and laborious has the reason for producer oneself is without related detection testing equipment again,
Due to lacking the important step of detection power distribution cabinet sample, the product quality of manufacturer production is difficult to ensure that, the qualification rate height of product
Also it can not ensure, to the incipient failure in product use, chance failure, spoilage malfunction, can only be learnt from user there, and producer
Itself is almost nil for the incipient failure of power distribution cabinet and the controlling extent of chance failure.
Innovation and creation content
The problem to be solved in the present invention is to provide a kind of energization operation that can be completed to low-voltage distribution cabinet, variable load fortune
The detection experiments such as row, secondary circuit operation, current overload operation, earth leakage protective operation and reliability operation, are effectively reduced low
Incipient failure, chance failure and the spoilage malfunction of power distribution cabinet are pressed, the multi-stag detection distribution for product qualification rate of dispatching from the factory is ensure that
The testing stand of cabinet.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of multi-stag detects the experiment of power distribution cabinet
Platform, including by superordinate elements output end concatenate bottom-ranked unit input multi-stag distribution national grid unit, distribution
Cabinet sample, motor, generator, display control cabinet and trimmable resistance device, the display control cabinet are described provided with regulation
The excitation knob of the exciting current size of generator and the output voltage electric current of the display generator and the power distribution cabinet sample
Voltage x current display module, the trimmable resistance device is fixed in barrel-shaped conductive liquid container, the conductive liquid container
Inside it is contained with conduction liquid.
Further, the trimmable resistance device include circular fixed plate, the motor with expansion link, insulation pallet and with
Be provided with the pole plate of display control cabinet electrical connection, the fixed plate on fixing hole, the conductive liquid container be covered with
Corresponding first lifting hole(eyelet) of the fixing hole of the fixed plate, the top of the shell of the motor is fixedly connected on the fixed plate
The middle part of bottom end face, the bottom of the expansion link of the motor is fixedly connected on the middle part of the insulation pallet upper end, peace
The upper surface of the dress face insulation pallet in the form of annular discs is provided with the fan-shaped connection wing of equidistantly distributed, the connection wing and set
There is mounting hole, the pole plate of triangle is provided with connecting hole corresponding with the mounting hole of the connection wing.
Further, four consistent fixation ears are hinged with the side end face of the radial direction vertical direction of the fixed plate, it is described
Through hole is provided with the middle part of fixed ear.
Further, the conductive liquid container on be covered with the second lifting hole(eyelet) corresponding with the through hole of the fixed ear.
Further, the pole plate is copper polar plate.
Further, the expansion link of the motor is hydraulically extensible bar.
Further, loopback electric wire is connected with addition between the display control cabinet and the national grid unit.
Further, position corresponding with the conduction liquid that inside is held is connected with use on the outer wall of the conductive liquid container
In the cooling system for cooling down the conduction liquid.
Further, the NaCL in the conduction liquid suitably mixed with enhancing electric conductivity.
The present invention has the advantages and positive effects of：Using above-mentioned technical proposal, the country of multi-stag electrical connection distribution
Power network unit, power distribution cabinet sample, motor, generator, display control cabinet and trimmable resistance device, bottom-ranked unit is both higher level
The load of unit is the power source of the bottom-ranked unit of itself again, with multistage power, and load in series system is simple to manufacture, and cost is low
With noise it is small the advantages of；Power distribution cabinet sample is connected after national grid unit, closes the switch of power distribution cabinet sample, and motor starts fortune
OK, generator is operated under the drive of motor, by the excitation knob of rotational display switch board, and regulation exciting current produces examination
Required total load is tested, while changing the output voltage and electric current of generator.When the output voltage of generator is less than national grid
During the voltage of unit, the size of load resistance is adjusted by trimmable resistance device, the load resistance of trimmable resistance device is with pole
Plate immerses the increase of the depth of conduction liquid in conductive liquid container and reduced, and is born so as to meet the required of detection power distribution cabinet sample
Carry resistance, it is only necessary to which the immersion depth of pole plate, adjustable electric are selected according to the load resistance of various test experience demands
The adjustable range for hindering device is flexibly extensive, and absorbed power is big；When the output voltage of generator is higher than the voltage of national grid unit
When, it can select that by display control cabinet control generator electricity will be exported national grid unit is transmitted back to by loopback electric wire, this
Sample contributes to low charcoal operation detection experiment, reduces energy and economic loss, strengthens the recycling of the energy, can also select by showing
Show that the output electricity of generator is used for heating the conduction liquid in conductive liquid container by switch board control, convert electrical energy into heat energy,
Conduction liquid is cooled down by cooling system again, this process is exactly to detect the earth leakage protective operation of power distribution cabinet sample in fact；This
During invention operation, the excitation knob of the load resistance and display control cabinet that adjust trimmable resistance device can be completed to power distribution cabinet
Energization operation, variable load operation, secondary circuit operation, current overload operation, earth leakage protective operation and the reliability of sample
The detection experiment such as operation, the voltage x current display module of display control cabinet shows the output voltage electricity of generator and power distribution cabinet sample
Stream, can observe the element and power distribution cabinet sample complete machine of power distribution cabinet sample itself has fault-free, effectively reduces low-voltage distribution cabinet
Incipient failure, chance failure and spoilage malfunction, ensure that product qualification rate of dispatching from the factory；Mutual corresponding fixation is passed through by screw
Hole and the first lifting hole(eyelet), through hole and the second lifting hole(eyelet), it becomes possible to which trimmable resistance device is fixedly connected on to the upper lid of conductive liquid container
On, it is simple in construction, it is easy for installation；The heat that the electric conductivity of copper polar plate well and after being powered is produced is small；The expansion link of hydraulic pressure
Flexible more stable, the implementation capacity by motor control is more preferable.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of the trimmable resistance device of the present invention；
Fig. 3 is the resistance curve schematic diagram of the trimmable resistance device of the present invention.
In figure：
1st, national grid unit；2nd, power distribution cabinet sample；3rd, motor；
4th, generator；5th, display control cabinet；6th, trimmable resistance device；
7th, conductive liquid container；8th, conduction liquid；9th, cooling system；
10th, loopback electric wire；51st, excitation knob；52nd, voltage x current display module；
61st, fixed plate；62nd, motor；63rd, insulate pallet；
64th, pole plate；611st, fixing hole；612nd, fixed ear；
613rd, through hole；621st, expansion link；631st, the wing is connected；
632nd, mounting hole；641st, connecting hole.
Embodiment
The specific embodiment of the present invention is elaborated below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, 3, the present invention provides the testing stand that a kind of multi-stag detects power distribution cabinet, including by superordinate elements
National grid unit 1, power distribution cabinet sample 2, motor 3, the hair of the multi-stag distribution of the input of output end concatenation bottom-ranked unit
Motor 4, display control cabinet 5 and trimmable resistance device 6, the display control cabinet 5 is provided with the excitation for adjusting the generator 4
The voltage electricity of the excitation knob 51 and the display generator 4 and the output voltage electric current of the power distribution cabinet sample 2 of size of current
Display module 52 is flowed, the trimmable resistance device 6 is fixed in barrel-shaped conductive liquid container 7, contained in the conductive liquid container 7
It is placed with conduction liquid 8.
The trimmable resistance device 6 includes circular fixed plate 61, the motor 62 with expansion link 621, insulation pallet 63
With the pole plate 64 electrically connected with the display control cabinet 5, fixing hole 611, the conductive liquid container 7 are provided with the fixed plate 61
On be covered with first lifting hole(eyelet) corresponding with the fixing hole 611 of the fixed plate 61, the top of the shell of the motor 62
The middle part of the bottom end face of fixed plate 61 is fixedly connected on, the bottom of the expansion link 621 of the motor 62 is fixedly connected on institute
The middle part of the insulation upper end of pallet 63 is stated, the upper surface of the mounting surface insulation pallet 63 in the form of annular discs is provided with equidistant point
The fan-shaped connection wing 631 of cloth, the connection wing 631 is provided with mounting hole 632, and the pole plate 64 of triangle is provided with and institute
State the corresponding connecting hole 641 of the mounting hole 632 of the connection wing 631.
Four consistent fixation ears 612 are hinged with the side end face of the radial direction vertical direction of the fixed plate 61, it is described solid
The middle part for determining ear 612 is provided with through hole 613.
Second lifting hole(eyelet) corresponding with the through hole 613 of the fixed ear 612 is covered with the conductive liquid container 7.
The pole plate 64 is copper polar plate.
The expansion link 621 of the motor 62 is hydraulically extensible bar.
Loopback electric wire 10 is connected with addition between the display control cabinet 5 and the national grid unit 1.
The corresponding position of the conduction liquid 8 held on the outer wall of the conductive liquid container 7 with inside is connected with for cold
The cooling system 9 of the conduction liquid 8.
NaCL in the conduction liquid 8 suitably mixed with enhancing electric conductivity.
The course of work of this example：The mutual corresponding lifting hole(eyelet) of fixing hole 611 and first, corresponding fixation are passed through with screw
The lifting hole(eyelet) of through hole 613 and second of ear 612, it becomes possible to which trimmable resistance device 6 is fixedly connected on to the upper lid of conductive liquid container 7
On, the mounting hole 632 of the connecting hole 641 of pole plate 64 and the connection wing 631 for the pallet 63 that insulate is fastened with screw, that is, completing can
The installation of mode resistance device 6；By national grid unit 1, power distribution cabinet sample 2, motor 3, generator 4, the and of display control cabinet 5
Trimmable resistance device 6, the multi-stag for carrying out the input of the output end series connection bottom-ranked unit from superordinate elements is distributed, you can right
Power distribution cabinet sample carries out detection experiment.
Current overloading test:Resistance curve according to Fig. 3, the immersion of pole plate 64 of regulation trimmable resistance device 6 is led
Depth in electro-hydraulic 8, makes the ohmic load of trimmable resistance device 6 be in the higher value detected needed for experiment, meanwhile, regulation is aobvious
Show the excitation knob 51 of switch board 5, the exciting current of generator 4 is also adjusted to higher value, then by the switch of power distribution cabinet sample 2
Closure, motor 3 starts to start, and using the high current starting characteristic of motor 3, is shown by the voltage x current of display control cabinet 5
Show the current overload ability of the examination power distribution cabinet of module 52 sample 2.
Reliability operation is tested：Resistance curve according to Fig. 3, by adjusting the immersion depth of pole plate 64, makes adjustable
The ohmic load of formula resistance device 6 is in less load value or is zero, and the switch of power distribution cabinet sample 2 is closed, and motor 3 is opened
Begin to run, the excitation knob 51 of regulation display control cabinet 5 makes the exciting current adjustment of generator 4 to higher value, makes overall load
Increase, when the voltage of generator 4 reaches loopback national grid 1 magnitude of voltage of unit, the resistance of cut-out trimmable resistance device 6 is born
Carry, to the loopback electric energy of national grid unit 1, according to the voltage x current display module 52 of display control cabinet 5, regulator generator 4
Exciting current size, changes generated energy and run time, so that it is determined that the operational reliability of power distribution cabinet sample 2.
The load resistance of regulation trimmable resistance device 6 and the excitation knob 51 of display control cabinet 5 can be completed to distribution
The detection experiments such as energization operation, variable load operation, the secondary circuit operation of cabinet sample 2.
One embodiment of the present of invention is described in detail above, but the content is only the preferable implementation of the present invention
Example, it is impossible to be considered as the practical range for limiting the present invention.All equivalent changes made according to the present patent application scope and improvement
Deng within the patent covering scope that all should still belong to the present invention.
Claims (8)
1. a kind of multi-stag detects the testing stand of power distribution cabinet, it is characterised in that：Including concatenating subordinate by the output end of superordinate elements
The input of unit multi-stag distribution national grid unit, power distribution cabinet sample, motor, generator, display control cabinet and
Trimmable resistance device, the display control cabinet is provided with the excitation knob for the exciting current size for adjusting the generator and shown
Show the voltage x current display module of the generator and the output voltage electric current of the power distribution cabinet sample, the trimmable resistance dress
Put and be fixed in barrel-shaped conductive liquid container, conduction liquid, the trimmable resistance device bag are contained with the conductive liquid container
Include fixed plate, the motor with expansion link, insulation pallet and the pole plate electrically connected with the display control cabinet of circle, the fixation
It is provided with plate on fixing hole, the conductive liquid container and is covered with corresponding with the fixing hole of the fixed plate first and hangs
Hole, the top of the shell of the motor is fixedly connected on the middle part of the fixed plate bottom end face, the expansion link of the motor
Bottom is fixedly connected on the middle part of the insulation pallet upper end, the upper surface of the mounting surface insulation pallet in the form of annular discs
The fan-shaped connection wing provided with equidistantly distributed, the connection wing is provided with mounting hole, the pole plate of triangle be provided with
The corresponding connecting hole of the mounting hole of the connection wing.
2. multi-stag according to claim 1 detects the testing stand of power distribution cabinet, it is characterised in that：The radial direction of the fixed plate
It is hinged with the side end face of vertical direction in the middle part of four consistent fixation ears, the fixed ear and is provided with through hole.
3. multi-stag according to claim 2 detects the testing stand of power distribution cabinet, it is characterised in that：The conductive liquid container
On be covered with the second lifting hole(eyelet) corresponding with the through hole of the fixed ear.
4. multi-stag according to claim 1 detects the testing stand of power distribution cabinet, it is characterised in that：The pole plate is copper-base
Plate.
5. multi-stag according to claim 1 detects the testing stand of power distribution cabinet, it is characterised in that：The expansion link of the motor
For hydraulically extensible bar.
6. multi-stag according to claim 1 detects the testing stand of power distribution cabinet, it is characterised in that：The display control cabinet with
Loopback electric wire is connected with addition between the national grid unit.
7. multi-stag according to claim 1 detects the testing stand of power distribution cabinet, it is characterised in that：The conductive liquid container
Position corresponding with the conduction liquid that inside is held is connected with the cooling system for cooling down the conduction liquid on outer wall.
8. multi-stag according to claim 1 detects the testing stand of power distribution cabinet, it is characterised in that：It is appropriate in the conduction liquid
NaCL of the ground mixed with enhancing electric conductivity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510018095.4A CN104535872B (en) | 2015-01-14 | 2015-01-14 | A kind of multi-stag detects the testing stand of power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510018095.4A CN104535872B (en) | 2015-01-14 | 2015-01-14 | A kind of multi-stag detects the testing stand of power distribution cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104535872A CN104535872A (en) | 2015-04-22 |
| CN104535872B true CN104535872B (en) | 2017-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510018095.4A Expired - Fee Related CN104535872B (en) | 2015-01-14 | 2015-01-14 | A kind of multi-stag detects the testing stand of power distribution cabinet |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105976679A (en) * | 2016-06-30 | 2016-09-28 | 武汉华育诺为信息技术有限公司 | Power distribution training device, power distribution training remote control system and corresponding methods thereof |
| CN106324401A (en) * | 2016-08-24 | 2017-01-11 | 广西小草信息产业有限责任公司 | Power distribution cabinet test system and corresponding test method |
| CN106781816A (en) * | 2017-04-05 | 2017-05-31 | 武汉华育诺为信息技术有限公司 | Distribution actual training device and tele-control system |
| CN107015088A (en) * | 2017-05-22 | 2017-08-04 | 天津市津廊宏业工程机械液压设备有限公司 | Power distribution cabinet detection means and detection method are used on a kind of production line |
| CN109973579B (en) * | 2019-04-22 | 2020-07-14 | 安徽工程大学 | Magnetorheological elastomer vibration isolator |
| CN115327285A (en) * | 2022-10-17 | 2022-11-11 | 山东天鲲电力科技有限公司 | Power distribution cabinet delivery power performance inspection system |
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| CN102684220A (en) * | 2012-05-02 | 2012-09-19 | 武汉理工大学 | Marine photovoltaic power generation grid-connected experimental platform |
| CN202602377U (en) * | 2012-06-06 | 2012-12-12 | 宋艳欣 | Intelligent remote measurement and control device for power distribution cabinet |
| CN202870228U (en) * | 2012-09-28 | 2013-04-10 | 湖南荣尔输变电股份有限公司 | Testing apparatus for distribution box |
| CN204065254U (en) * | 2014-05-30 | 2014-12-31 | 深圳市金正方科技股份有限公司 | Power distribution cabinet proving installation |
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2015
- 2015-01-14 CN CN201510018095.4A patent/CN104535872B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2387451A (en) * | 2002-03-01 | 2003-10-15 | Rittal Gmbh & Co Kg | Switchgear cabinet monitoring and control system |
| CN201332377Y (en) * | 2008-12-12 | 2009-10-21 | 青岛四方车辆研究所有限公司 | Inductor passenger carriage generator distribution box |
| CN202094709U (en) * | 2011-06-28 | 2011-12-28 | 北京易投嘉德投资咨询有限公司 | Monitoring device for power distribution cabinet |
| CN102684220A (en) * | 2012-05-02 | 2012-09-19 | 武汉理工大学 | Marine photovoltaic power generation grid-connected experimental platform |
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| CN204065254U (en) * | 2014-05-30 | 2014-12-31 | 深圳市金正方科技股份有限公司 | Power distribution cabinet proving installation |
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| CN104535872A (en) | 2015-04-22 |
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