CN202269068U - High-power sine-wave dimmer - Google Patents
High-power sine-wave dimmer Download PDFInfo
- Publication number
- CN202269068U CN202269068U CN2011204015116U CN201120401511U CN202269068U CN 202269068 U CN202269068 U CN 202269068U CN 2011204015116 U CN2011204015116 U CN 2011204015116U CN 201120401511 U CN201120401511 U CN 201120401511U CN 202269068 U CN202269068 U CN 202269068U
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- dimmer
- pcb board
- pcb
- power
- shielded partitions
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a high-power sine-wave dimmer, which comprises a dimmer casing. A first printed circuit board (PCB), a second PCB, a shielding plate and a radiator are sequentially fixedly connected in the dimmer casing. The first PCB is used for filtering and rectifying an input power source, the second PCB is used for controlling power output of the dimmer through a control chip of the dimmer, the shielding plate between the first PCB and the second PCB is used for shielding and isolating, and the radiator arranged on the outer side of the second PCB is fixedly connected with the dimmer casing. Filter devices and the control chip of the dimmer, which are integrated on the same PCB originally, are distributed on two PCBs, and the PCBs are arranged in parallel and are shielded from each other by the shielding plate arranged between the two PCBs additionally, such that the dimmer is more compact in structure, the size of the dimmer is reduced, heat dissipation of the dimmer is improved, and performance and the service life of the dimmer are guaranteed.
Description
Technical field
The utility model relates to a kind of light of stage light modulation equipment, especially a kind of high-power sinewave dimmer.
Background technology
Before generation nineteen sixty, the light modulation equipment on the stage all is to come bulb load is carried out light modulation with the sine wave that changes AC power from salt water vat to large-scale power variable resistance.The shortcoming of this form is that a large amount of heat-energy losses and equipment volume are very huge, but advantage is not have interfering noise.
Along with developing rapidly of electronics industry; The priority invention of one-way SCR (SCR) and bidirectional triode thyristor (TRAIC) makes dimmer diminishing on the volume, reduce on the working temperature and possibly utilizing the low pressure signal that dimmer is controlled, and becomes the dimmer that we are familiar with.But this mode with triggering phase waveform is brought the cutout afterflow problem in electric power system to us.In the three-phase power supply system of standard, these humorous wave energy orders increase to normal 1.4 times at the electric current of center conductor.Harmonic wave can produce audible noise, can make the metallic conductor of power transmission system even power transformation transformer produce high heat.For fear of Harmonic Interference; The shortcoming of thinking the waveform dimmer is more and more obvious; Especially; Increasing light fixture has not been pure resistive loads in the past, like fluorescent tube, electronic dimming ballast, LED lamp, electronics or electromagnetic type low-tension transformer and all non-traditional light sources one common point is arranged all, be exactly phase waveform dimmer oneself greatly away from the reasonability of these types of light sources being carried out light modulation.
Therefore, along with the development of electronic component, the integrated sinewave dimmer of microprocessor receives extensive use.Existing sinewave dimmer produces the IGBT power switch of high-frequency PWM control waveform a to dimmer through microprocessor, produces normal 0 ~ 230V AC sine wave output and goes to promote load.Thereby light modulation can reduce noise that volume and the assurance of passive filtering unit produce beyond human auditory's scope with HF switch work, and has overcome the big shortcoming of phase waveform dimmer Harmonic Interference.In addition, can not be lower than at a few thing voltage on the electrical equipment of some value,, all can preestablish their minimum operating voltage like ballast, neon light tube, electric fan, motor etc.Just as the modulation incandescent lamp bulb, carry out pressure regulation then.But existing sinewave dimmer, the general and filtering unit of microprocessor control chip is on the pcb board, causes the equipment integral volume big; And because controlling object is powerful devices such as light of stage; The quality of equipment cooling performance directly has influence on the serviceability of electronic devices and components, because filtering device; Belong to the heavy-current control part; The coil heat dissipation that it comprises is big, is easy to the performance of the light current controlling parts such as dimmer control chip near the same pcb board being positioned at is caused interference and influence, thereby influences the performance and the useful life of whole dimmer.
The utility model content
The technical problem that the utility model will solve is: the sinewave dimmer that a kind of compact conformation, perfect heat-dissipating are provided.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted is:
A kind of high-power sinewave dimmer; Comprise a dimmer housing box; Be fixedly connected sequentially in the said dimmer housing box power supply of input is carried out first pcb board of filter rectification, second pcb board through this dimmer power output of dimmer control chip control; Between said first pcb board and second pcb board, play the shielded partitions of shielding buffer action, the outside of said second pcb board is provided with the radiator that is fixedly connected with said dimmer housing box.
Further as preferred embodiment; Said dimmer housing box is " L " shape; Comprise that one is provided with the base plate of a plurality of through holes, be respectively equipped with first support, second support of fixing said first pcb board, second pcb board and shielded partitions on the vertical direction at said base plate two ends.
Further as preferred embodiment; Said shielded partitions two ends are separately fixed on first support and second support; Said first pcb board and second pcb board are separately fixed at the both sides of said shielded partitions; Said first pcb board is between said base plate and said shielded partitions, and said second pcb board is positioned at the outside of said shielded partitions.
Further as preferred embodiment, said radiator is the lattice-shaped aluminium.
Further, also be provided with the fan of heat transmission on the said shielded partitions as preferred embodiment.
Further as preferred embodiment, said first pcb board, second pcb board are connected with an input and output base through lead.
The beneficial effect of the utility model is: the high-power sinewave dimmer of the utility model; The filtering device that belongs to the heavy-current control part through being integrated in originally on the pcb board is distributed on two pcb boards with the dimmer control chip that belongs to the light current control section; And with two parallel placements of pcb board; The centre adds a shielded partitions to reach the effect of shielding, and such structure not only makes the structure of dimmer compact more, has reduced the volume of device; And the second pcb board side that the dimmer control chip is installed is improved its heat dispersion through radiator, has ensured the performance and the useful life of electronic devices and components.
Description of drawings
Be described further below in conjunction with the embodiment of accompanying drawing the utility model:
Fig. 1 is the decomposing schematic representation of the high-power sinewave dimmer structure of the utility model;
Fig. 2 is the overall structure sketch map of the high-power sinewave dimmer of the utility model;
Fig. 3 is another overall structure sketch map of the high-power sinewave dimmer of the utility model.
Embodiment
The utility model sinewave dimmer can be inserted in the light modulation clothes closet of drawer type, is mainly used in light of stage light modulation field.Compare with traditional sinewave dimmer; The utility model sinewave dimmer has changed the distributed architecture of internal electronic component; Be distributed on two pcb boards through filtering device that will belong to the heavy-current control part and the dimmer control chip that belongs to the light current control section, and with two parallel placements of pcb board, the centre adds a shielded partitions to reach the effect of shielding; Such structure makes that the structure of the utility model dimmer is more compact; And improved its heat dispersion, ensured serviceability, improved useful life.
Referring to figs. 1 through Fig. 3; A kind of high-power sinewave dimmer; Comprise a dimmer housing box 1; Be fixedly connected sequentially in the dimmer housing box 1 to the power supply of input carry out filter rectification first pcb board 3, between first pcb board 3 and second pcb board 4, play the shielded partitions 2 of shielding buffer action, through second pcb board 4 that this dimmer power of dimmer control chip control is exported, the outside of said second pcb board 4 is provided with the radiator 5 that is fixedly connected with said dimmer housing box 1.
The components and parts such as inductance, coil that the power supply of input carried out filter rectification mainly are installed on first pcb board 3; Main paster is equipped with the dimmer control chip that the power of dimmer is carried out sine wave modulation on second pcb board 4; In the utility model; The filter rectification device that carries out filter rectification through being integrated in one originally is separately positioned on first pcb board 3 and second pcb board 4 with the brightness adjustment control chip that carries out the dimmer power adjustments, and with two parallel placements of pcb board, the centre adds a shielded partitions to reach the effect of shielding; Structure to reach dimmer is compact more, the purpose of reduced volume.
In concrete the application; Dimmer housing box 1 is " L " shape; Comprise that one is provided with the base plate 11 of a plurality of through holes 12, be respectively equipped with first support 13, second support 14 that are used for fixing said first pcb board 3, second pcb board 4 and shielded partitions 2 on the vertical direction at said base plate 11 two ends.
Said shielded partitions 2 two ends are separately fixed on first support 13 and second support 14; Said first pcb board 3 and second pcb board 4 are separately fixed at the both sides of said shielded partitions 2; Said first pcb board 3 is between said base plate 11 and said shielded partitions 2, and said second pcb board 4 is positioned at the outside of said shielded partitions 2.Like this, radiator 5 is adjoined in the outside of second pcb board 4, can guarantee that second pcb board 4 has better radiating effect, to guarantee the stable performance and the long service life of the components and parts such as control chip of installation on it.
Preferably, said radiator 5 is the lattice-shaped aluminium.
In order to strengthen the radiating effect in the dimmer, further, also be provided with the fan 6 of heat transmission on the said shielded partitions 2 as improving, preferably, fan 6 is positioned at second pcb board, 4 sides on the shielded partitions 2.
Further, said dimmer can plug and connect an input and output base, is specially, and said first pcb board 3, second pcb board 4 are connected with an input and output base 7 through lead.
The high-power sinewave dimmer of the utility model has not only reduced the volume of existing dimmer arrangement, makes that also the heat dispersion of this device is better, to guarantee the stable performance of components and parts, the useful life of improving dimmer.
More than be that preferable enforcement to the utility model specifies; But the utility model is created and is not limited to said embodiment; Those of ordinary skill in the art make all equivalent variations or replacement under the prerequisite of the utility model spirit, also can doing, and distortion that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (6)
1. high-power sinewave dimmer; Comprise a dimmer housing box (1); It is characterized in that: be fixedly connected sequentially in the said dimmer housing box (1) power supply of input is carried out first pcb board (3) of filter rectification, second pcb board (4) through this dimmer power output of dimmer control chip control; Between said first pcb board (3) and second pcb board (4), play the shielded partitions (2) of shielding buffer action, the outside of said second pcb board (4) is provided with the radiator (5) that is fixedly connected with said dimmer housing box (1).
2. a kind of high-power sinewave dimmer according to claim 1; It is characterized in that: said dimmer housing box (1) is " L " shape; Comprise that one is provided with the base plate (11) of a plurality of through holes (12), be respectively equipped with first support (13), second support (14) that are used for fixing said first pcb board (3), second pcb board (4) and shielded partitions (2) on the vertical direction at said base plate (11) two ends.
3. a kind of high-power sinewave dimmer according to claim 2; It is characterized in that: said shielded partitions (2) two ends are separately fixed on first support (13) and second support (14); Said first pcb board (3) and second pcb board (4) are separately fixed at the both sides of said shielded partitions (2); Said first pcb board (3) is positioned between said base plate (11) and the said shielded partitions (2), and said second pcb board (4) is positioned at the outside of said shielded partitions (2).
4. according to each described a kind of high-power sinewave dimmer of claim 1 to 3, it is characterized in that: said radiator (5) is the lattice-shaped aluminium.
5. a kind of high-power sinewave dimmer according to claim 4 is characterized in that: the fan (6) that also is provided with heat transmission on the said shielded partitions (2).
6. a kind of high-power sinewave dimmer according to claim 5 is characterized in that: said first pcb board (3), second pcb board (4) are connected with an input and output base (7) through lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204015116U CN202269068U (en) | 2011-10-20 | 2011-10-20 | High-power sine-wave dimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204015116U CN202269068U (en) | 2011-10-20 | 2011-10-20 | High-power sine-wave dimmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202269068U true CN202269068U (en) | 2012-06-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204015116U Expired - Fee Related CN202269068U (en) | 2011-10-20 | 2011-10-20 | High-power sine-wave dimmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202269068U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104902625A (en) * | 2015-05-18 | 2015-09-09 | 成都英格瑞德电气有限公司 | Double-row control constant-current light modulator employing CCR system for debugging |
| CN113380281A (en) * | 2021-06-23 | 2021-09-10 | 刘永志 | Information storage device for urban and rural planning |
-
2011
- 2011-10-20 CN CN2011204015116U patent/CN202269068U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104902625A (en) * | 2015-05-18 | 2015-09-09 | 成都英格瑞德电气有限公司 | Double-row control constant-current light modulator employing CCR system for debugging |
| CN113380281A (en) * | 2021-06-23 | 2021-09-10 | 刘永志 | Information storage device for urban and rural planning |
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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: 20120606 Termination date: 20141020 |
|
| EXPY | Termination of patent right or utility model |