CN100454203C - Ballast control card - Google Patents
Ballast control card Download PDFInfo
- Publication number
- CN100454203C CN100454203C CNB028240774A CN02824077A CN100454203C CN 100454203 C CN100454203 C CN 100454203C CN B028240774 A CNB028240774 A CN B028240774A CN 02824077 A CN02824077 A CN 02824077A CN 100454203 C CN100454203 C CN 100454203C
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- CN
- China
- Prior art keywords
- ballast
- motherboard
- control card
- ballast control
- shows
- 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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Abstract
A ballast control provided on a through-slot (42) wave solderable daughter card (2) package that is vertically mountable on a mother board (40). The ballast drives a fluorescent lamp (4) and cover (6) is provided over internal ballast control circuit components mounted on circuit board (8).
Description
Background of invention
1. invention field
The present invention relates to a kind of ballast control card, relate in particular to a kind of ballast control circuit that is configured on the groove wave soldering subcard (wave solderable daughter card) that can be vertically mounted on the motherboard.
2. description of Related Art
The electric ballast that is used to control fluorescent light or high-intensity discharge (HID) lamp need be used for preheating filament, triggering (striking) bulb usually, make bulb reach given power, detect the fault state of bulb and the electronic circuit of shut-off circuit safely.
The electric ballast that is used for the gas discharge circuit is extensive use of, and this is because power metal oxide semiconductor field-effect transistor (MOSFET) switching device and the insulated gate bipolar transistor (IGBT) of the power bipolar switch device that can substitute previous use are provided.Design a large amount of integrated circuit (IC) and be used for driving the power MOSFET of electric ballast and the grid of IGBT.The example of these integrated circuit comprises IR2155, IR2157 and IR21571 type product and the 5th that Int Rectifier Corp (International Rectifier Corporation) sells, 545,955 and 6,211, disclosed content in No. 623 United States Patent (USP)s, these are open is incorporated into this paper with for referencial use by integral body.
Summary of the invention
The invention provides a kind of 600V ballast control card fully-integrated, full guard, it is designed for all types of fluorescent lights.Described ballast control card comprises the semibridge system ballast controller that boost power factor is proofreaied and correct (PFC) controller and is used to control whole effective power factor electric ballast.
It is 09/981 that ballast control card of the present invention combines the sequence number of submitting in October 19 calendar year 2001, the disclosed ballast control IC that has a power factor correcting in 753 the U.S. Patent application (its whole disclosure be integrated into herein with for referencial use), and comprise two power fets, PFC field effect transistor and the relevant passive component that integrates with this IC.
According to the present invention, comprise that the ballast control circuit of control IC and FET is arranged on the groove wave soldering subcard.This subcard is vertically mounted on the motherboard.During manufacture, weld together at solder joint (pad) around the groove that passes motherboard formation and the solder joint on the orthogonal daughter card in the wave soldering chamber.
Ballast control card of the present invention has been simplified ballast design greatly and has been reduced the quantity of ballast components significantly.Provide great flexibility ratio such as the outside programmable feature of DC bus voltage level, preheating time and frequency, igniting slope (ignitionramp) attribute and operational mode operating frequency for the designer of ballast resistor.
In the design, comprised the integrated protection characteristic, for example to lamp trigger the protection, filament failure, asymmetric modulating voltage (end-of-life) of fault, during low AC line conditions, thermal overload and the general operation lamp failure and restart function automatically.
Ballast control card of the present invention has following feature:
-fully-integrated ballast control card.
-critical conduction mode boost PFC
The output of-half-bridge ballast resistor
-charge pump power supply (Charge Pump Supply) input
-programmable preheating time and frequency
-programmable igniting slope (ignition Ramp)
-programmable overcurrent (Over-Current)
-internal fault counter
-asymmetric modulating voltage protection
-filament sensing and protection
The protection of-capacitive
-economize on electricity (brown-out) protection
-dynamically restart
-restarting automatically of being used for that lamp changes
-thermal overload protection
-inner 15.6V Zener catching diode conducting VCC
The encapsulation of-groove wave soldering card
In conjunction with the accompanying drawings in the explanation of the present invention, it is clearer that other features and advantages of the present invention will become below.
Brief description of drawings
Fig. 1 is the typical application drawing of ballast control card of the present invention;
Fig. 2 shows the top trace layer of ballast control card shown in Figure 1;
Fig. 3 shows the welded top mask that is used for ballast control card shown in Figure 1;
Fig. 4 shows the screen printed on top layer of ballast control card shown in Figure 1;
Fig. 5 shows the bottom trace layer of ballast control card shown in Figure 1;
Fig. 6 shows the bottom solder mask that is used for ballast control card shown in Figure 1;
Fig. 7 shows the closing line of ballast control card shown in Figure 1;
Fig. 8 shows the bottom copper layer that is used for ballast resistor motherboard of the present invention;
Fig. 9 shows the screen printed on top layer that is used for ballast resistor motherboard of the present invention;
Figure 10 shows the bottom screen-printed layers that is used for ballast resistor motherboard of the present invention;
Figure 11 shows the bottom solder mask that is used for ballast resistor motherboard of the present invention;
Figure 12 is the synoptic diagram according to ballast control card circuit of the present invention.
The detailed description of embodiment of the present invention
With reference to Fig. 1, wherein schematically show the typical connection layout of ballast control card 2 of the present invention.This ballast driven fluorescent light 4.On the inside ballast control circuit parts (will be further described below) that are installed on the circuit board 8, provide and cover 6.This card is generally 37.05mm * 14.5mm size.The thickness of this card is about 25 mils (mil).
By external component being connected on the connection welding that disposes on the edge of ballast control card (pad), can realize the programmable features of ballast controller, as DC bus voltage level, preheating time and frequency, igniting slope (ignition ramp) attribute and operational mode operating frequency.Connection welding is listed as follows:
The input of+rectification AC circuit
Boost FET drain electrode of BD
ZX zero crossing, PFC inductance
The BS FET source electrode that boosts
VBUS dc bus voltage level programming resistors
The programming of OC overcurrent (SC+) threshold value
RUN running frequency resistance
RT oscillator timing resistor
RPH pre-heat frequency resistance and igniting slope electric capacity
CPH preheating timing capacitor
VDC AC circuit cut-in voltage programming resistors
COM2 programmable element ground
VCC logic and low side gate driving power supply
The high-end FET drain electrode of HSD
The output of VS half-bridge
The input of CP charge pump
LS low side FET source electrode and current sense input
COM1 IC power and signal ground
The SD input of shutting down
Schematically show typical outer member among Fig. 1.As following further describing, external component is preferably mounted on the motherboard that has held ballast resistor control subcard.
Ballast controller receives the power supply from anodal rectification AC circuit input, and this power supply loads by transformer 10 and gives pfc circuit and main control circuit.Resistance 12 allows the outside programming of DC bus voltage level.Use resistance 14 to set up the overcurrent threshold values.Resistance 16 has been set up the operational mode frequency.Utilize 20 pairs of preheatings of resistance 18 and electric capacity regularly to programme.Programme in capacitor 22 pairs of igniting slope (ignition ramp).
To Fig. 7, wherein show the physical construction layout of ballast control card with reference to Fig. 2.Fig. 2 shows top layer track (trace), and Fig. 3 shows welded top mask (solder mask), and Fig. 4 shows screen printed on top (silk screen) layer.Fig. 5 shows the bottom trace layer.Fig. 6 shows the bottom solder mask.Fig. 7 shows closing line (bond wire).
Fig. 8 is mechanical drawing according to female ballast resistor plate 40 of the present invention to Figure 11.Motherboard 40 comprises groove 42, and it has held the connection edge of ballast resistor card 2.Fig. 8 shows the bottom copper layer (bottom copper layer) on the motherboard 40.Fig. 9 shows the screen printed on top layer (topsilk screen layer) that shows component placement, and Figure 10 then shows the bottom screen-printed layers.Figure 11 shows the bottom solder mask (bottom solder mask) that is used for motherboard 40.
With reference to Figure 12, wherein show the synoptic diagram of the inside and outside circuit that is used for ballast control card of the present invention.Its component labelling is corresponding with the component labelling in other accompanying drawing (especially wherein showing Fig. 4 and Fig. 7 of subcard component placement).Notice that the resistance that is designated as RVBUS 1-3 in Figure 12 is corresponding with the resistance R BUS 1-3 among Fig. 4.And, the CCOMP1 among Fig. 4 and 2 and Figure 12 in CCOMP be equal to.Similarly, though Figure 12 shows two boottrap capacitor CVCC1 and 2, yet Fig. 4 has comprised an additional capacitors device CVCC3.The capacitor C BOOT that marks among Figure 12 and resistance R 7 are corresponding with capacitor C BS and resistance R LIM1 in the layout of Fig. 4 respectively.
Ballast controller is set up around IC50.Shown in the figure is the product by IR2167 IC sign of assignee Int Rectifier Corp.Further the details of implementing can obtain from the IR2167 tables of data of Int Rectifier Corp, and the sequence number that can submit in October 19 calendar year 2001 is 09/981, obtain in 753 the unsettled U.S. Patent application, the two integrally is incorporated herein with for referencial use.
Ballast control card with high-end and low side driven MOS FET52 and 54 and power factor correction MOSFET (MFPC) be incorporated on the single plate.
Although the present invention describes in conjunction with its specific embodiment, yet for the technician of ability field, many other variation, improvement and application will be conspicuous.Thereby the present invention preferably is not subjected to the specific disclosed restriction of this paper, and only is subjected to the restriction of claims.
Claims (2)
1. electric ballast comprises:
Motherboard has outer member; With
Daughter board, have control element and a plurality of device for power switching and be used to control the control integrated circuit that described device for power switching is operated, described control element can be by described outer member programming, so that the variable setting of one of them at least of dc bus voltage level, preheating time, pre-heat frequency, igniting characteristics of ramps and operational mode operating frequency to be provided
Wherein said daughter board is vertically mounted on the described motherboard and with described motherboard and is electrically connected.
2. electric ballast according to claim 1 is characterized in that, described daughter board comprises and is used for the edge connector that is electrically connected with described motherboard.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US33460801P | 2001-12-03 | 2001-12-03 | |
| US60/334,608 | 2001-12-03 | ||
| US10/309,359 | 2002-12-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1871566A CN1871566A (en) | 2006-11-29 |
| CN100454203C true CN100454203C (en) | 2009-01-21 |
Family
ID=37444495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028240774A Expired - Fee Related CN100454203C (en) | 2001-12-03 | 2002-12-03 | Ballast control card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100454203C (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5815371A (en) * | 1996-09-26 | 1998-09-29 | Dell U.S.A., L.P. | Multi-function heat dissipator |
| US6157093A (en) * | 1999-09-27 | 2000-12-05 | Philips Electronics North America Corporation | Modular master-slave power supply controller |
| US6211623B1 (en) * | 1998-01-05 | 2001-04-03 | International Rectifier Corporation | Fully integrated ballast IC |
| US6310440B1 (en) * | 1996-01-11 | 2001-10-30 | Lutron Electronics Company, Inc. | System for individual and remote control of spaced lighting fixtures |
-
2002
- 2002-12-03 CN CNB028240774A patent/CN100454203C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6310440B1 (en) * | 1996-01-11 | 2001-10-30 | Lutron Electronics Company, Inc. | System for individual and remote control of spaced lighting fixtures |
| US5815371A (en) * | 1996-09-26 | 1998-09-29 | Dell U.S.A., L.P. | Multi-function heat dissipator |
| US6211623B1 (en) * | 1998-01-05 | 2001-04-03 | International Rectifier Corporation | Fully integrated ballast IC |
| US6157093A (en) * | 1999-09-27 | 2000-12-05 | Philips Electronics North America Corporation | Modular master-slave power supply controller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1871566A (en) | 2006-11-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090121 Termination date: 20111203 |