CN204030596U - Be provided with the active filter of electromagnetic shielding mechanism - Google Patents
Be provided with the active filter of electromagnetic shielding mechanism Download PDFInfo
- Publication number
- CN204030596U CN204030596U CN201420457341.7U CN201420457341U CN204030596U CN 204030596 U CN204030596 U CN 204030596U CN 201420457341 U CN201420457341 U CN 201420457341U CN 204030596 U CN204030596 U CN 204030596U
- Authority
- CN
- China
- Prior art keywords
- metallic plate
- electromagnetic shielding
- shielding mechanism
- housing
- active filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000005670 electromagnetic radiation Effects 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses a kind of active filter being provided with electromagnetic shielding mechanism, electromagnetic shielding mechanism is provided with at an end face of housing relation control panel, electromagnetic shielding mechanism comprises the metallic plate for the electromagnetic radiation of inside of shield casings device, metallic plate is fixedly connected with housing, described metallic plate shape size and housing relation control panel one end face shape size suitable, metallic plate is provided with the operation aperture for operating components and parts.Electromagnetic shielding mechanism is set, the ELECTROMAGNETIC RADIATION SHIELDING that components and parts in housing produce can be fallen, prevent the electromagnetic radiation of enclosure interior from causing injury to human body, play the effect of electromagnetic shielding, and the touching enclosure interior electrification device of operating personnel's mistake can be prevented and cause the danger of electric shock.
Description
Technical field
The utility model relates to a kind of filter, belongs to electromechanical resonator field, and more particularly, it relates to a kind of active filter being provided with electromagnetic shielding mechanism.
Background technology
Active filter (APF) is a kind of novel electric power electric device for dynamic harmonic wave, compensating reactive power, the harmonic wave that it all can change size and frequency and the idle of change compensate, why be called active, as the term suggests this device needs to provide power supply, its application can overcome the shortcoming (traditional can only fixed compensation) of traditional harmonics restraint such as LC filter and reactive-load compensation method, achieve dynamic tracing compensation, and not only can mend harmonic wave but also mend idle.
Active filter comprises the housing and control panel that can close and form components and parts cavity volume, includes main control unit, relay, circuit breaker, air switch, current transformer, IGBT and reactance in described components and parts cavity volume.During work, current transformer detects load current, and calculated by inner DSP, extract the harmonic components in load current, then inner IGBT is sent to by pwm signal, control inverter produces one and load harmonic current equal and opposite in direction, the contrary harmonic current injection in direction, in electrical network, reaches the object of filtering.Components and parts in housing will produce a large amount of electromagnetic radiation after powered up, and do not protect facility when operated by personnel, and operating personnel easily touch internally charged device and cause the danger of electric shock.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of active filter being provided with electromagnetic shielding mechanism, and this kind of active filter can electromagnetic radiation shielding and can prevent operating personnel's false touch from touching.
For achieving the above object, the utility model provides following technical scheme:
A kind of active filter being provided with electromagnetic shielding mechanism, comprise control panel and the housing being provided with closed components and parts cavity volume, described control panel is connected with an end face of housing, instrument transformer is provided with in described components and parts cavity volume, IGBT, relay, circuit breaker, air switch and main control unit, one end face of described housing relation control panel is provided with electromagnetic shielding mechanism, described electromagnetic shielding mechanism comprises the metallic plate for the electromagnetic radiation of inside of shield casings device, described metallic plate is fixedly connected with housing, described metallic plate shape size and housing relation control panel one end face shape size suitable, described metallic plate is provided with the operation aperture for operating components and parts.
By adopting technique scheme, electromagnetic shielding mechanism is set, and the metallic plate of electromagnetic shielding mechanism is arranged on the one side of components and parts relation control panel, only expose the operation aperture needed components and parts operation, the ELECTROMAGNETIC RADIATION SHIELDING that components and parts after metallic plate produce is fallen, prevent the electromagnetic radiation of enclosure interior from causing injury to human body, play the effect of electromagnetic shielding, and the touching enclosure interior electrification device of operating personnel's mistake can be prevented and cause the danger of electric shock.
Further improvement as technique scheme: described operation aperture includes relay operation mouth, breaker operator mouth, air switch operation mouth and main control unit gathering hole.
By adopting technique scheme, expose conventional operated device, handled easily personnel carry out basic control to filter of having chance with.
The utility model is set to further: described case inside wall is provided with installs convex edge, and described metallic plate is threaded with installation convex edge.
By adopting technique scheme, metallic plate and installation convex edge adopt the processing that is threaded simple, easy for installation.
The utility model is set to further: described case inside wall is provided with draw-in groove, and described metallic plate is provided with the buckle projection suitable with draw-in groove, and described housing is connected with metallic plate buckle.
By adopting technique scheme, by being clasped between draw-in groove and buckle projection between housing and metallic plate, more convenient laborsaving during installation.
The utility model is set to further: described metallic plate is aluminum plate.
By adopting technique scheme, the metallic plate shield electromagnetic of aluminum is effective, and intensity is high.
Accompanying drawing explanation
Fig. 1 is the Active filter schematic diagram one that the utility model is provided with electromagnetic shielding mechanism;
Fig. 2 is the Active filter schematic diagram two that the utility model is provided with electromagnetic shielding mechanism;
Fig. 3 is the B1 portion enlarged drawing of Fig. 1;
Fig. 4 is the B2 portion enlarged drawing of Fig. 2;
Fig. 5 is the A portion enlarged drawing of Fig. 2.
Reference numeral:
1, housing; 11, draw-in groove; 2, control panel; 3, metallic plate; 31, upper metallic plate; 32, lower metallic plate; 321, buckle projection; 4, operation aperture; 41, main control unit gathering hole; 42, relay operation mouth; 43, breaker operator mouth; 44, air switch operation mouth; 51, main control unit; 52, relay; 53, circuit breaker; 54, air switch.
Embodiment
Referring to figs. 1 through Fig. 5, the active filter embodiment that the utility model is provided with electromagnetic shielding mechanism is described further.
As shown in Figures 1 to 5, the utility model is provided with the active filter of electromagnetic shielding mechanism, comprise control panel 2 and the housing 1 being provided with closed components and parts cavity volume, described control panel 2 is connected with an end face of housing 1, instrument transformer is provided with in described components and parts cavity volume, IGBT, relay 52, circuit breaker 53, air switch 54 and main control unit 51, one end face of described housing 1 relation control panel 2 is provided with electromagnetic shielding mechanism, described electromagnetic shielding mechanism comprises the metallic plate 3 for the electromagnetic radiation of shield shell 1 internal components, metallic plate 3 can be divided into metallic plate 31 and lower metallic plate 32 two parts, described metallic plate 3 is fixedly connected with housing 1, described metallic plate 3 shape size and housing 1 relation control panel 2 one end face shape size suitable, described metallic plate 3 is provided with the operation aperture 4 for operating components and parts.
By adopting technique scheme, electromagnetic shielding mechanism is set, and the metallic plate 3 of electromagnetic shielding mechanism is arranged on the one side of components and parts relation control panel 2, only expose the operation aperture 4 needed components and parts operation, the ELECTROMAGNETIC RADIATION SHIELDING that components and parts after metallic plate 3 produce is fallen, prevent the electromagnetic radiation of housing 1 inside from causing injury to human body, play the effect of electromagnetic shielding, and the internally charged device of touching housing 1 of operating personnel's mistake can be prevented and cause the danger of electric shock.
As shown in Figure 2, operation aperture 4 includes relay operation mouth 42, breaker operator mouth 43, air switch operation mouth 44 and main control unit gathering hole 41.Due to the reason of take up room size and each device setting of main control unit 51 in housing, main control unit gathering hole 41 is arranged on upper metallic plate 31, relay operation mouth 42, breaker operator mouth 43, air switch operation mouth 44 are arranged on lower metallic plate 32, expose conventional operated device, handled easily personnel carry out basic control to filter of having chance with.
As shown in Figure 2 and Figure 4, be the embodiment one when fixed metal plate 3, can arrange and install convex edge, metallic plate 3 is offered the installing hole suitable with installing convex edge at housing 1 madial wall, metallic plate 3 can be threaded with installation convex edge, also can bayonet fittings.By adopting technique scheme, metallic plate 3 and installation convex edge adopt the processing that is threaded to add list, easy for installation.
As shown in Figure 1 to Figure 3, be the embodiment two when fixed metal plate 3, draw-in groove 11 can be set at housing 1 madial wall, the buckle projection 321 suitable with draw-in groove 11 is set at metallic plate 3, housing 1 is connected with metallic plate 3 buckle.By adopting technique scheme, by being clasped between draw-in groove 11 and buckle projection 321 between housing 1 and metallic plate 3, more convenient laborsaving during installation.
It should be noted that, separately can implement embodiment one and embodiment two, also both can be combined use during fixed metal plate 3, what make between metallic plate 3 and housing 1 is fixing more firm; Metallic plate 3 in the utility model preferably adopts closed aluminum panel beating, metallic plate 3 shield electromagnetic of aluminum is effective, and intensity is high, certainly in order to the shielding electromagnetic performance of whole active filter, housing 1 and control panel 2 also can be adopted aluminum panel beating.
The above is only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. one kind is provided with the active filter of electromagnetic shielding mechanism, comprise control panel and the housing being provided with closed components and parts cavity volume, described control panel is connected with an end face of housing, instrument transformer is provided with in described components and parts cavity volume, IGBT, relay, circuit breaker, air switch and main control unit, it is characterized in that: an end face of described housing relation control panel is provided with electromagnetic shielding mechanism, described electromagnetic shielding mechanism comprises the metallic plate for the electromagnetic radiation of inside of shield casings device, described metallic plate is fixedly connected with housing, described metallic plate shape size and housing relation control panel one end face shape size suitable, described metallic plate is provided with the operation aperture for operating components and parts.
2. the active filter being provided with electromagnetic shielding mechanism according to claim 1, is characterized in that: described operation aperture includes relay operation mouth, breaker operator mouth, air switch operation mouth and main control unit gathering hole.
3. the active filter being provided with electromagnetic shielding mechanism according to claim 2, is characterized in that: described case inside wall is provided with draw-in groove, and described metallic plate is provided with the buckle projection suitable with draw-in groove, and described housing is connected with metallic plate buckle.
4. the active filter being provided with electromagnetic shielding mechanism according to claim 2, is characterized in that: described case inside wall is provided with installs convex edge, and described metallic plate is threaded with installation convex edge.
5. the active filter being provided with electromagnetic shielding mechanism according to claim 1 or 2 or 3 or 4, is characterized in that: described metallic plate is aluminum plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420457341.7U CN204030596U (en) | 2013-11-23 | 2014-08-13 | Be provided with the active filter of electromagnetic shielding mechanism |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320741003 | 2013-11-23 | ||
| CN201320741003.1 | 2013-11-23 | ||
| CN201420457341.7U CN204030596U (en) | 2013-11-23 | 2014-08-13 | Be provided with the active filter of electromagnetic shielding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204030596U true CN204030596U (en) | 2014-12-17 |
Family
ID=52070424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420457341.7U Expired - Lifetime CN204030596U (en) | 2013-11-23 | 2014-08-13 | Be provided with the active filter of electromagnetic shielding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204030596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10477740B2 (en) | 2015-09-15 | 2019-11-12 | Parker-Hannifin Corporation | Smart EMI vent |
-
2014
- 2014-08-13 CN CN201420457341.7U patent/CN204030596U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10477740B2 (en) | 2015-09-15 | 2019-11-12 | Parker-Hannifin Corporation | Smart EMI vent |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180320 Address after: 213000 East Road, Jiangsu, Changzhou, No. 128 Patentee after: Changzhou Ankaite Cable Co.,Ltd. Address before: 325000 Wenzhou City, Yueqing Province, Liushi Town, the town of the port of the second industrial zone, seven Patentee before: SRISING ELECTRIC Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141217 |