CN209516385U - A kind of Active Power Filter-APF of in-wall mounting - Google Patents
A kind of Active Power Filter-APF of in-wall mounting Download PDFInfo
- Publication number
- CN209516385U CN209516385U CN201920498374.9U CN201920498374U CN209516385U CN 209516385 U CN209516385 U CN 209516385U CN 201920498374 U CN201920498374 U CN 201920498374U CN 209516385 U CN209516385 U CN 209516385U
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- Prior art keywords
- support bar
- filter
- apf
- cabinet body
- active power
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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Abstract
The utility model discloses a kind of Active Power Filter-APFs convenient for in-wall mounting, including beam rail, idler wheel and filter cabinet body, support bar is connected on the right side of the beam rail, and ball is provided on the inside of support bar, and ball is between beam rail and support bar, idler wheel is installed below the support bar, and it is equipped with above support bar and assigns block, filter cabinet body is provided with above the support bar, and it is reserved with below filter cabinet body and assigns slot, and filter cabinet body is by assigning slot and block and support bar being assigned to be connected with each other, the second mounting hole is offered on the connecting plate, and connecting plate is located at the inside of accommodating groove.This is convenient for the Active Power Filter-APF of in-wall mounting, Active Power Filter-APF cabinet body is facilitated to carry out stablizing suspension, cabinet is facilitated to carry out short-distance movement simultaneously, the later period is facilitated to carry out maintenance or cabling, it avoids the need for worker to carry it, reduces the labor intensity that worker overhauls or installs.
Description
Technical field
The utility model relates to Active Power Filter-APF technical field, the active electric power of specially a kind of in-wall mounting is filtered
Wave device.
Background technique
Active Power Filter-APF is a kind of power electronic equipment, generallys use rack mounting means or in-wall mounting side
Formula is installed, and is safeguarded when in order to facilitate day-to-day operation to Active Power Filter-APF, in addition to meeting local code, active electricity
Force filter end of incoming cables should retain sufficient space, to maintain easily the access that personnel carry out cable, Active Power Filter-APF installation
Environment should ensure that: easy-to-connect, there is enough operating spaces, and well-ventilated meets cooling requirements, non-corrosive gas, no powder
Dirt particle, electro-conductive dust, for ambient humidity, light and temperature less than 90%, ambient temperature meets fire-fighting requirements within the scope of 0-45 DEG C.
Existing Active Power Filter-APF carries out wall hanging, and the inconvenient later period tears Active Power Filter-APF cabinet open mostly
Lower maintenance, to influence conventional maintenance and the use of Active Power Filter-APF, while inconvenience is to Active Power Filter-APF machine
The position of cabinet carries out of short duration transfer.In view of the above-mentioned problems, carrying out innovative design on the basis of original Active Power Filter-APF.
It is also not highly desirable there are also exactly existing Active Power Filter-APF comprehensive electric energy quality Governance Ability, needs
Further to improve.
Utility model content
The purpose of this utility model is to provide a kind of Active Power Filter-APFs of in-wall mounting, to solve above-mentioned background
The existing Active Power Filter-APF that is itd is proposed in technology carry out wall hanging mostly the inconvenient later period to Active Power Filter-APF cabinet into
Row removes maintenance, to influence conventional maintenance and the use of Active Power Filter-APF, while inconvenience is to active power filtering
The position of device cabinet carries out the problem of of short duration transfer；My company is that user solves power quality problem, active power filtering utensil wholeheartedly
Standby unprecedented comprehensive electric energy quality Governance Ability, Active Power Filter-APF can filter out 2-50 time simultaneously within harmonic wave, filter
Wave energy power may be up to 97% or more, and time small 10ms is fully compensated to the harmonic wave of Spline smoothing.Active Power Filter-APF can more it is same
When parallel running, overall efficiency be greater than 97.5%, be completely suitable for industry, the various situations of civil field, be nonlinear load harmonic
Administer the best solution with reactive compensation.
To achieve the above object, the utility model provides the following technical solutions: a kind of active electric power filter of in-wall mounting
Wave device, including beam rail, idler wheel and filter cabinet body are connected with support bar, and the inside of support bar on the right side of the beam rail
It is provided with ball, and ball is equipped with idler wheel, and support bar between beam rail and support bar below the support bar
Top be equipped with and assign block, filter cabinet body is provided with above the support bar, and be reserved with below filter cabinet body
Slot is assigned, and filter cabinet body is by assigning slot and assigning block and the interconnection of support bar, the top of the filter cabinet body
The first mounting hole is offered, and is provided with push rod on the left of filter cabinet body, with teeth piece is arranged on the push rod, and push rod is located at
The inside of translot, is equipped with reset spring on the left of the push rod, and reset spring is located at the inside of translot, the push rod it is upper
Side is provided with driving gear, and push rod is connected with each other by tooth block and driving gear, is equipped with connecting shaft on the driving gear,
And connecting plate is installed above driving gear, the second mounting hole is offered on the connecting plate, and connecting plate is located at accommodating groove
Inside.
Preferably, the support bar is hollow structure, and support bar and beam rail constitute stretching structure, and beam rail with
Ball constitutes slide construction.
Preferably, described that block is assigned to be fixedly connected with support bar, and assign block by assigning slot to engage with filter cabinet body
Connection.
Preferably, the push rod constitutes stretching structure by reset spring and translot, and the upper surface of push rod is equidistantly set
It is equipped with tooth block.
Preferably, the driving gear engages connection with push rod by tooth block, and drives gear and connecting shaft to constitute and rotate
Structure, and driving is to be fixedly connected between gear and connecting plate.
Active Power Filter-APF filtering compensation system, filtering compensation system are driven by signal regulating panel, controller, IGBT
Plate, IGBT converter, reactor, filter condenser, main contactor, fastp-acting fuse and breaker are sequentially connected in series, and master connects
Parallel Design has soft resistance on tentaculum, and galvanic electricity pressure sensor and straight is parallel on signal regulating panel and IGBT converter circuitry section
Bus capacitor is flowed, galvanic electricity pressure sensor and DC bus capacitance are connected in series, and after power grid main line disconnecting switch is closed a floodgate, are
Power grid passes through soft resistance to direct current to the moment impact of DC bus capacitance, Active Power Filter-APF first when preventing from powering on
The capacitor of bus charges, this process can continue tens seconds.After busbar voltage Udc reaches predetermined value, main contactor closure.
DC capacitor exports compensation electric current by IGBT converter and internal reactor outward and provides energy as energy storage device.It is active
Electric-power filter acquires current signal by external CT in real time and send to signal regulating panel, then send again to controller, controller will
Fundamental wave component separation, extracts all harmonic currents, reactive current, three phase unbalance current, to be compensated collected
Current component and the issued compensation electric current of Active Power Filter-APF relatively obtain difference, are output to as real-time compensation signal
IGBT driving board, triggering IGBT converter are injected into electric current is compensated in power grid, and are realized closed-loop control, are completed compensation function.
Active Power Filter-APF acquires current signal by foreign current mutual inductor in real time, is separated by internal detection circuitry
Harmonic therein out is generated and the compensation of the harmonic wave opposite in phase equal in magnitude in system electricity by IGBT power inverter
Stream realizes the function of filtering out harmonic wave.
Active Power Filter-APF output compensation electric current accurately changes according to the harmonic content dynamic of system, therefore is not in
The problem of compensation.In addition, having overload protection function inside Active Power Filter-APF, when the harmonic content of system is greater than filter capacity
When, device can be exported with volitional check in 100% rated capacity, will not be overloaded.
Compared with prior art, the utility model has the beneficial effects that the Active Power Filter-APF of the in-wall mounting,
1, facilitate Active Power Filter-APF cabinet body to carry out stablizing suspension, while cabinet being facilitated to carry out short-distance movement, it is convenient
Later period carries out maintenance or cabling, avoids the need for worker and carries to it, reduces the labor that worker overhauls or installs
Fatigue resistance；
2, suspension and support are stablized, and reserved space is sufficient, facilitate and carry out heat dissipation or cabling, while facilitating later period cabinet
It is mobile that position carries out short spacing.
3, the harmonic wave within Active Power Filter-APF can filter out 2-50 times simultaneously, filter capacity may be up to 97% or more, to rank
The time is fully compensated less than 10ms in the harmonic wave of transition.APF can more simultaneously parallel runnings, overall efficiency be greater than 97.5%, completely
It is the best solution of nonlinear load harmonic wave control and reactive compensation suitable for industry, the various situations of civil field.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model beam rail and support bar attachment structure schematic diagram；
Fig. 3 is the utility model connecting board structure schematic diagram；
Fig. 4 is enlarged structure schematic diagram at the A in the utility model Fig. 1；
Fig. 5 is Active Power Filter-APF compensation principle figure；
Fig. 6 is Active Power Filter-APF internal control schematic diagram；
In figure: 1, beam rail；2, support bar；3, ball；4, idler wheel；5, block is assigned；6, filter cabinet body；7, slot is assigned；
8, the first mounting hole；9, push rod；10, tooth block；11, translot；12, reset spring；13, gear is driven；14, connecting shaft；15, it connects
Plate；16, the second mounting hole；17, accommodating groove.
Wherein: APF indicates that Active Power Filter-APF, SVG indicate dynamic reactive compensation device.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of active power filtering of in-wall mounting
Device, including beam rail 1, idler wheel 4 and filter cabinet body 6, the right side of beam rail 1 are connected with support bar 2, and the inside of support bar 2
It is provided with ball 3, and ball 3 is between beam rail 1 and support bar 2, support bar 2 is hollow structure, and support bar 2 and horizontal
Beam column 1 constitutes stretching structure, and beam rail 1 and ball 3 constitute slide construction, facilitates beam rail 1 by ball 3 in support bar
2 inside carries out telescopic slide movement, and the lower section of support bar 2 is equipped with idler wheel 4, and the top of support bar 2 is equipped with and assigns block
5, it assigns block 5 to be fixedly connected with support bar 2, and assign block 5 by assigning slot 7 to be connected together with filter cabinet body 6, facilitates filtering
Device cabinet body 6 carries out stablizing placement, avoids the occurrence of slip phenomenon；
The top of support bar 2 is provided with filter cabinet body 6, and the lower section of filter cabinet body 6 is reserved with and assigns slot 7, and
For filter cabinet body 6 by assigning slot 7 and block 5 and support bar 2 being assigned to be connected with each other, the top of filter cabinet body 6 offers first
Mounting hole 8, and the left side of filter cabinet body 6 is provided with push rod 9, push rod 9 constitutes flexible knot by reset spring 12 and translot 11
Structure, and with teeth piece 10 of the upper surface spaced set of push rod 9, facilitate push rod 9 under the promotion of reset spring 12 in translot 11
Inside carries out stretching motion, is arranged with teeth piece 10 on push rod 9, and push rod 9 is located at the inside of translot 11；
The left side of push rod 9 is equipped with reset spring 12, and reset spring 12 is located at the inside of translot 11, the top of push rod 9
Be provided with driving gear 13, and push rod 9 by tooth block 10 and driving gear 13 be connected with each other, driving gear 13 by tooth block 10 with
The engagement connection of push rod 9, and drive gear 13 and connecting shaft 14 to constitute rotational structure, and drive between gear 13 and connecting plate 15
To be fixedly connected, the push rod 9 for carrying out stretching motion is facilitated to drive driving gear 13 to be revolved in connecting shaft 14 by tooth block 10
Transhipment is dynamic, drives and is equipped with connecting shaft 14 on gear 13, and the top of gear 13 is driven to be equipped with connecting plate 15, on connecting plate 15
The second mounting hole 16 is offered, and connecting plate 15 is located at the inside of accommodating groove 17.
Working principle: APF/SVG is designed as indoor location, should be mounted in clean environment, and answer well-ventilated, with
Guarantee that environment temperature meets product specification requirement；
APF/SVG provides air blast cooling by internal fan, and cold wind enters APF/ by the air grid before APF/SVG cabinet
Inside SVG, and hot wind is discharged by the air grid at the rear portion APF/SVG, ventilation hole please don't be blocked；
APF/SVG selects in-wall mounting mode, safeguards when in order to facilitate day-to-day operation to APF/SVG, except satisfaction
Outside local code, the end of incoming cables APF/SVG should retain sufficient space, to maintain easily the access that personnel carry out cable, active power filtering
Device is only applicable to be mounted on concrete or other non-flammable mounting surfaces, the air inlet of the active filter equipment of in-wall mounting and
Outlet air will at least reserve the air inlet/outlet space of 150mm, assign slot 7 to be placed into support by lower section filter cabinet body 6 first
The top of bar 2, until filter cabinet body 6 by assigning slot 7 to be connected together with block 5 is assigned, then carries out promotion filter to the left
Wave device cabinet body 6, filter cabinet body 6 at this time are slided on beam rail 1 by support bar 2, in the process, beam rail 1
It is collapsible by ball 3 in hollow support bar 2, and support bar 2 is equally carried out by idler wheel 4 on ground in this motion process
Sliding, during carrying out mobile to the left, filter cabinet body 6 can be contacted with the right end of push rod 9, and continuation is pushed away to the left
It is dynamic, so that filter cabinet body 6 can squeeze push rod 9, so that push rod 9 drives under the extruding of filter cabinet body 6 resets bullet
Spring 12 is retracted in translot 11, and during push rod 9 is retracted translot 11, push rod 9 can drive driving gear 13 by tooth block 10
It is rotated in connecting shaft 14, so that gear 13 is driven to drive connecting plate 15 to rotate out of accommodating groove 17 during rotation,
After filter cabinet body 6 leans against metope, connecting plate 15 at this time is just rotated positioned at the top of filter cabinet body 6, and is connected
The second mounting hole 16 on plate 15 is aligned with the first mounting hole 8 on filter cabinet body 6, and installation bolt is then passed through the
Two mounting holes 16 are screwed into the first mounting hole 8, just complete the connection between connecting plate 15 and filter cabinet body 6 at this time, simultaneously
Filter cabinet body 6 also completes stable installation, and the Active Power Filter-APF of such a in-wall mounting is convenient for people to use.
As shown in Fig. 5 ~ 6, Active Power Filter-APF filtering compensation system, filtering compensation system main line is by signal condition
Plate, controller, IGBT driving board, IGBT converter, reactor, filter condenser, main contactor, fastp-acting fuse and breaker
It is sequentially connected in series, Parallel Design has soft resistance, Main line signals conditioning plate and IGBT converter circuitry section on main contactor
On be parallel with galvanic electricity pressure sensor and DC bus capacitance, galvanic electricity pressure sensor and DC bus capacitance are connected in series, electricity
After host's line disconnecting switch closes a floodgate, moment impact of the power grid to DC bus capacitance, active electric power filter when to prevent from powering on
Wave device passes through soft resistance first and charges to the capacitor of DC bus, this process can continue tens seconds.As busbar voltage Udc
After reaching predetermined value, main contactor closure.DC capacitor is outside by IGBT converter and internal reactor as energy storage device
Output compensation electric current provides energy.Active Power Filter-APF acquires current signal by external CT in real time and send to signal regulating panel,
Then it send again to controller, controller separates fundamental wave component, and it is uneven to extract all harmonic currents, reactive current, three-phase
Weigh electric current, and the collected current component to be compensated and the issued compensation electric current of Active Power Filter-APF are relatively obtained difference
Value is output to IGBT driving board as real-time compensation signal, and triggering IGBT converter is injected into electric current is compensated in power grid, and is realized
Compensation function is completed in closed-loop control.
APF acquires current signal by foreign current mutual inductor in real time, is isolated by internal detection circuitry therein humorous
Wave part generates the compensation electric current with the harmonic wave opposite in phase equal in magnitude in system by IGBT power inverter, realizes filter
Except the function of harmonic wave.
APF output compensation electric current is according to the accurate variation of the harmonic content of system dynamic, therefore the problem of be not in overcompensation.
In addition, there is overload protection function inside APF, when the harmonic content of system is greater than filter capacity, device can be existed with volitional check
The output of 100% rated capacity, will not overload.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of Active Power Filter-APF of in-wall mounting, including beam rail (1), idler wheel (4) and filter cabinet body (6),
It is characterized in that: being connected with support bar (2) on the right side of the beam rail (1), and be provided with ball (3) on the inside of support bar (2), and
And ball (3) is located between beam rail (1) and support bar (2), is equipped with idler wheel (4) below the support bar (2), and support
It is equipped with and assigns block (5) above bar (2), be provided with filter cabinet body (6) above the support bar (2), and filter cabinet
It is reserved with and assigns slot (7) below body (6), and filter cabinet body (6) is by assigning slot (7) and assigning block (5) and support bar
(2) it is connected with each other, is offered the first mounting hole (8) above the filter cabinet body (6), and the left side of filter cabinet body (6)
It is provided with push rod (9), is arranged with teeth piece (10) on the push rod (9), and push rod (9) is located at the inside of translot (11), it is described to push away
It is equipped on the left of bar (9) reset spring (12), and reset spring (12) is located at the inside of translot (11), the push rod (9)
Top is provided with driving gear (13), and push rod (9) is connected with each other by tooth block (10) and driving gear (13), the sliding tooth
It is equipped with connecting shaft (14) on wheel (13), and drives and be equipped with connecting plate (15) above gear (13), the connecting plate (15)
On offer the second mounting hole (16), and connecting plate (15) is located at the inside of accommodating groove (17).
2. a kind of Active Power Filter-APF of in-wall mounting according to claim 1, it is characterised in that: the support bar
It (2) is hollow structure, and support bar (2) and beam rail (1) constitute stretching structure, and beam rail (1) and ball (3) constitute and slide
Dynamic structure.
3. a kind of Active Power Filter-APF of in-wall mounting according to claim 1, it is characterised in that: described to assign block
(5) it is fixedly connected with support bar (2), and assigns block (5) by assigning slot (7) to be connected together with filter cabinet body (6).
4. a kind of Active Power Filter-APF of in-wall mounting according to claim 1, it is characterised in that: the push rod
(9) stretching structure, and with teeth piece of the upper surface spaced set of push rod (9) are constituted by reset spring (12) and translot (11)
(10).
5. a kind of Active Power Filter-APF of in-wall mounting according to claim 1, it is characterised in that: the sliding tooth
Wheel (13) engages connection with push rod (9) by tooth block (10), and gear (13) and connecting shaft (14) is driven to constitute rotational structure, and
It and is to be fixedly connected between driving gear (13) and connecting plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920498374.9U CN209516385U (en) | 2019-04-14 | 2019-04-14 | A kind of Active Power Filter-APF of in-wall mounting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920498374.9U CN209516385U (en) | 2019-04-14 | 2019-04-14 | A kind of Active Power Filter-APF of in-wall mounting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209516385U true CN209516385U (en) | 2019-10-18 |
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ID=68188578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920498374.9U Active CN209516385U (en) | 2019-04-14 | 2019-04-14 | A kind of Active Power Filter-APF of in-wall mounting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209516385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113241612A (en) * | 2021-06-17 | 2021-08-10 | 江西明正智能电气有限公司 | Wall-hanging active filter cabinet convenient to maintenance |
-
2019
- 2019-04-14 CN CN201920498374.9U patent/CN209516385U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113241612A (en) * | 2021-06-17 | 2021-08-10 | 江西明正智能电气有限公司 | Wall-hanging active filter cabinet convenient to maintenance |
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