CN202712854U - Wide-voltage-range harmonic interference resistant LED mining lamp - Google Patents
Wide-voltage-range harmonic interference resistant LED mining lamp Download PDFInfo
- Publication number
- CN202712854U CN202712854U CN2012203894074U CN201220389407U CN202712854U CN 202712854 U CN202712854 U CN 202712854U CN 2012203894074 U CN2012203894074 U CN 2012203894074U CN 201220389407 U CN201220389407 U CN 201220389407U CN 202712854 U CN202712854 U CN 202712854U
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- CN
- China
- Prior art keywords
- mining lamp
- lamp capable
- wide
- led mining
- bulkhead lamp
- 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 - Fee Related
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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
- Y02E40/20—Active power filtering [APF]
Abstract
The utility model discloses a wide-voltage-range harmonic interference resistant LED mining lamp, comprising an LED mining lamp, wherein a front end of a driving power source of the LED mining lamp is connected with an active power filter. According to the LED mining lamp provided by the utility model, the active power filter is added on the front end of the driving power source of the LED mining lamp, the harmonic interference of various frequencies in the power grid is suppressed, a high-frequency power electronic conversion technology is adopted for carrying out harmonic suppression and dynamic reactive compensation, and the normal operation of the driving power source of the LED mining lamp and the LED lamp beads is ensured.
Description
Technical field
The utility model relates to a kind of LED bulkhead lamp capable.
Background technology
The LED bulkhead lamp capable is mainly used in industrial enterprise.And its electrical network power supply quality is relatively poor in the ordinary course of things, its reason is: the one, the start-stop of high-power electricity consumption load frequent, cause line voltage rise and fall unstable, fluctuation is very large; The 2nd, some duty ratio such as frequency conversion equipment, electric furnace etc. easily produce a large amount of humorous wave interference; These disadvantageous factors all can affect the normal operation of LED bulkhead lamp capable, and then produce the hidden danger of safety in production.
Summary of the invention
Technical problem to be solved in the utility model provides the LED bulkhead lamp capable of the anti-humorous wave interference of a kind of wide-voltage range that can work in abominable mains supply situation.
For solving the problems of the technologies described above, the technical solution of the utility model is: the LED bulkhead lamp capable of the anti-humorous wave interference of wide-voltage range, comprise the LED bulkhead lamp capable, and the front end of described LED bulkhead lamp capable driving power is connected with active power filter.
Comprise load current and offset current sample circuit as the described Active Power Filter-APF of preferred technical scheme, described load current is connected the A/D change-over circuit with the offset current sample circuit, described A/D change-over circuit connects the DSP algorithmic controller, described DSP algorithmic controller connects pulse driving circuit, and described pulse driving circuit connects voltage source inverter.
Owing to having adopted technique scheme, the LED bulkhead lamp capable of the anti-humorous wave interference of wide-voltage range comprises the LED bulkhead lamp capable, and the front end of described LED bulkhead lamp capable driving power is connected with active power filter; The utility model increases Active Power Filter-APF at the front end of LED bulkhead lamp capable driving power, suppressed the humorous wave interference of various frequencies in the electrical network, adopt the high-frequency power electronic converter technique, carry out harmonic wave and suppress and dynamic passive compensation, guaranteed the driving power of LED bulkhead lamp capable and the normal operation of LED lamp pearl.
Description of drawings
Accompanying drawing 1 is the electrical schematic diagram of the utility model embodiment.
Embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.In the following detailed description, only by the mode of explanation some example embodiment of the present utility model has been described.Undoubtedly, those of ordinary skill in the art can recognize, in the situation that do not depart from spirit and scope of the present utility model, can revise described embodiment with various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than is used for the protection range of restriction claim.
As shown in drawings, the LED bulkhead lamp capable of the anti-humorous wave interference of wide-voltage range comprises the LED bulkhead lamp capable, and the front end of described LED bulkhead lamp capable driving power is connected with active power filter.
Described Active Power Filter-APF comprises load current and offset current sample circuit, described load current is connected the A/D change-over circuit with the offset current sample circuit, described A/D change-over circuit connects the DSP algorithmic controller, described DSP algorithmic controller connects pulse driving circuit, and described pulse driving circuit connects voltage source inverter.
The basic principle of Active Power Filter-APF: detect first harmonic current and conform to and the offset current of single spin-echo with the harmonic current size by producing one in the compensation arrangement from the electrical network of need compensation, both cancel out each other and make and only contain fundametal compoment in the power network current.Controller is the core component of Active Power Filter-APF, and it controls the behavior of active power filtering by the pulse that produces and control the driving switch device, finish dynamic compensation harmonic wave and idle function.
The control system of this Active Power Filter-APF adopts two DSP structures, and one of them dsp processor is used for finishing data and processes, control and high-rise defencive function; Another dsp processor is used for producing the High-Accuracy PWM pulse, its operation principle; Sample frequency with 60 * 50HZ is sampled and the A/D conversion to offset current and the system voltage of the output of load current device, by the control of DSP algorithm sample rate current is decomposed, and filtering first-harmonic real component keeps as the harmonic component that compensates.Then adopt control algolithm to calculate the harmonic voltage that inverter should produce according to circuit parameter, the harmonic voltage instantaneous value is delivered to the DSP pulse generator, allow pulse generator adopt the SPWM algorithm to determine the action of inverter switch element according to the harmonic voltage instantaneous value.Pulse generator carries out the SPWM pulse according to magnitude of voltage and calculates to produce driving pulse.
The present embodiment increases the harmonic protection circuit at the front end of LED bulkhead lamp capable driving power; the humorous wave interference that suppresses various frequencies in the electrical network; this circuit adopts the high-frequency power electronic converter technique take high performance digital processing unit DSP as core, carries out harmonic wave and suppresses and dynamic passive compensation.The driving power of LED bulkhead lamp capable and the normal operation of LED lamp pearl have been guaranteed.
Above demonstration and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. the LED bulkhead lamp capable of the anti-humorous wave interference of wide-voltage range comprises the LED bulkhead lamp capable, and it is characterized in that: the front end of described LED bulkhead lamp capable driving power is connected with active power filter.
2. wide-voltage range as claimed in claim 1 resists the LED bulkhead lamp capable of humorous wave interference, it is characterized in that: described Active Power Filter-APF comprises load current and offset current sample circuit, described load current is connected the A/D change-over circuit with the offset current sample circuit, described A/D change-over circuit connects the DSP algorithmic controller, described DSP algorithmic controller connects pulse driving circuit, and described pulse driving circuit connects voltage source inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203894074U CN202712854U (en) | 2012-08-08 | 2012-08-08 | Wide-voltage-range harmonic interference resistant LED mining lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203894074U CN202712854U (en) | 2012-08-08 | 2012-08-08 | Wide-voltage-range harmonic interference resistant LED mining lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202712854U true CN202712854U (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203894074U Expired - Fee Related CN202712854U (en) | 2012-08-08 | 2012-08-08 | Wide-voltage-range harmonic interference resistant LED mining lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202712854U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104786804A (en) * | 2015-04-30 | 2015-07-22 | 郑州宇通客车股份有限公司 | Vehicle and wheel edge drive system and wheel edge drive torque distributing method thereof |
| US9882464B1 (en) | 2016-12-12 | 2018-01-30 | General Electric Company | System for filtering high frequency noise components and an associated method thereof |
-
2012
- 2012-08-08 CN CN2012203894074U patent/CN202712854U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104786804A (en) * | 2015-04-30 | 2015-07-22 | 郑州宇通客车股份有限公司 | Vehicle and wheel edge drive system and wheel edge drive torque distributing method thereof |
| CN104786804B (en) * | 2015-04-30 | 2017-12-15 | 郑州宇通客车股份有限公司 | A kind of vehicle and its Direct wheel drives system and Direct wheel drives moment of torsion distribution method |
| US9882464B1 (en) | 2016-12-12 | 2018-01-30 | General Electric Company | System for filtering high frequency noise components and an associated method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20150808 |
|
| EXPY | Termination of patent right or utility model |