CN202524625U - Electronic ballast - Google Patents
Electronic ballast Download PDFInfo
- Publication number
- CN202524625U CN202524625U CN2012200219797U CN201220021979U CN202524625U CN 202524625 U CN202524625 U CN 202524625U CN 2012200219797 U CN2012200219797 U CN 2012200219797U CN 201220021979 U CN201220021979 U CN 201220021979U CN 202524625 U CN202524625 U CN 202524625U
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Abstract
The utility model discloses an electronic ballast, which comprises an EMI/RMI filter module and a full-wave bridge rectifier module. An AC power supply is connected with the EMI/RMI filter module, the EMI/RMI filter module is connected with the full-wave bridge rectifier module, the full-wave bridge rectifier module is connected with a power factor correction module, the power factor correction module is connected with a DC filter circuit, the DC filter circuit is connected with an inverter module, and the inverter module is connected with an output circuit module. With the electronic ballast disclosed by the utility model, shortcomings that production demands of covering different powers and power factors can not be met by a traditional electronic ballast, inclusiveness is comparatively poor and the like are solved.
Description
Technical field
The utility model relates to a kind of illuminating lamp triggering technique field, relates in particular to a kind of electric ballast.
Background technology
Along with the continuous development of society, the public is also improving constantly for the requirement of public place lighting technology.In the public illumination technical field, low-pressure sodium lamp is high because of its light energy use efficiency, and the centre wavelength of spectral wavelength and human eye visible spectrum is comparatively near the extensive attention that has received lighting technical field a little that reaches good illumination effect.Generally speaking, low-pressure sodium lamp adopts and to be attached thereto the electric ballast that connects and to trigger and light, but traditional Design of Digital Ballast can't contain the production requirement of different capacity and power factor, and pardon is relatively poor.
Summary of the invention
The purpose of the utility model provides a kind of electric ballast, compares with traditional electric ballast, and the electric ballast of the utility model structure has the utility model highly versatile, can use power and power factor are being required on the Different products.
For realizing above-mentioned purpose, the technical scheme that the utility model adopts is:
A kind of electric ballast; Comprise EMI/RMI filter module and bridge full-wave rectifier module, it is characterized in that: AC power connects the EMI/RMI filter module, and the EMI/RMI filter module connects the bridge-type full-wave rectification block; The bridge full-wave rectifier module connects power factor correction module; Power factor correction module connects the DC filtering circuit, and the DC filtering circuit connects inverter module, and inverter module connects the output circuit module.
According to described electric ballast, it is characterized in that: the input of unusual circuit protection module connects the output circuit module, and the output of said unusual circuit protection module connects power factor correction module, AC/DC external excited inverter module respectively.
According to described electric ballast, it is characterized in that: DC power supply connects the protective circuit module, and the protective circuit module connects filter module, and filter module connects inverter module, and inverter module connects the output circuit module.
According to described electric ballast, it is characterized in that: the output of output circuit module connects the input of unusual circuit protection module, and the output of unusual circuit protection module connects inverter module.
According to described electric ballast; It is characterized in that: said power factor correction module is APFC APFC structure or PPFC passive power factor correcting circuit structure, and said APFC APFC is the APFC of power more than 25W; Said PPFC passive power factor correcting circuit is the APFC of power below 25W.
According to described electric ballast, it is characterized in that: said EMI/RMI filter module is anti-electromagnetic interference electromagnetic interface filter and anti-radio interference RMI filter circuit configuration.
According to described electric ballast, it is characterized in that: said unusual circuit protection module is the circuit structure that makes inverter stop shaking; Inverter module is an AC/DC external excited inverter circuit structure.
The utility model has the advantages of and be: solved the production requirement that to contain different capacity and power factor in traditional electric ballast, shortcoming such as pardon is relatively poor.
Description of drawings
Fig. 1 is applied to the structural representation under the AC power situation for the utility model.
Fig. 2 is applied to the structural representation under the DC power supply situation for the utility model.
In the accompanying drawing: 1, EMI/RMI filter module; 2, bridge full-wave rectifier module; 3, power factor correction module; 4, DC filtering circuit; 5, inverter module; 6, output circuit module; 7, unusual circuit protection module; 8, protective circuit module; 9, filter module.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described further:
The utility model is as shown in Figure 1, and a kind of electric ballast comprises EMI/RMI filter module 1 and bridge full-wave rectifier module 2; It is characterized in that: AC power connects EMI/RMI filter module 1; EMI/RMI filter module 1 connects bridge-type full-wave rectification block 2, and bridge full-wave rectifier module 2 connects power factor correction module 3, and power factor correction module 3 connects DC filtering circuit 4; DC filtering circuit 4 connects inverter module 5, and inverter module 5 connects output circuit module 6.According to described electric ballast; It is characterized in that: the input of unusual circuit protection module 7 connects output circuit module 6, and the output of said unusual circuit protection module 7 connects power factor correction module 3, AC/DC external excited inverter module 5 respectively.According to described electric ballast, it is characterized in that: DC power supply connects protective circuit module 8, and protective circuit module 8 connects filter module 9, and filter module 9 connects inverter module 5, and inverter module 5 connects output circuit module 6.According to described electric ballast, it is characterized in that: the output of output circuit module 6 connects the input of unusual circuit protection module 7, and the output of unusual circuit protection module 7 connects inverter module 5.According to described electric ballast; It is characterized in that: said power factor correction module 3 is APFC APFC structure or PPFC passive power factor correcting circuit structure, and said APFC APFC is the APFC of power more than 25W; Said PPFC passive power factor correcting circuit is the APFC of power below 25W.According to described electric ballast, it is characterized in that: said EMI/RMI filter module 1 is anti-electromagnetic interference electromagnetic interface filter and anti-radio interference RMI filter circuit configuration.According to described electric ballast, it is characterized in that: the circuit structure of said unusual circuit protection module 7 for making inverter stop shaking; Inverter module 5 is an AC/DC external excited inverter circuit structure.
The operation principle of the utility model is described below:
As shown in Figure 1: the utility model comprises EMI/RMI filter module 1, bridge full-wave rectifier module 2, power factor correction module 3, DC filtering circuit 4, inverter module 5, the output circuit module 6 that is linked in sequence successively; Also comprise a unusual circuit protection module 7, its input is connected with output circuit module 6, and output is connected with power factor correction module 3 with inverter module 5 respectively; All modules of this ballast all are positioned in the same printed board; The power of ballast can be between 18W to 90W; Power according to ballast is different, and power factor correction module 3 can be selected following passive power factor correcting circuit of 25W or the above APFC of 25W respectively for use.
This electric ballast works under the situation that extraneous power supply is an AC power, and its operation principle is:
Extraneous AC power inserts through the input port of EMI/RMI filter module 1; Input bridge full-wave rectifier module 2 is carried out rectification after 1 filtering of EMI/RMI filter module; Input voltage after the rectification is proofreaied and correct and 4 filtering of DC filtering circuit through power factor correction module 3 respectively; Insert inverter module 5 as driving source then and convert corresponding high-frequency ac power to; Export low-pressure sodium lamp to through output circuit module 6 then, accomplish lighting of low-pressure sodium lamp; The input of feedback circuit protection module 7 is connected with output circuit module 6; Detect the connection and the working signal of low-pressure sodium lamp on the output circuit module 6; When waiting not access or lamp to damage; Abnormity protection circuit module 7 starts and exports feedback signal to power factor correction module 3 and inverter module 5, proofreaies and correct and make inverter module 5 failure of oscillations respectively again.Through said structure, can find out the electric ballast highly versatile of the utility model structural design, can use power and power factor are being required on the Different products.
Shown in Figure 2ly be applied to the structural representation under the DC power supply situation for the utility model.As shown in Figure 2, this electric ballast comprises protective circuit module 8, filter module 9, inverter module 5 and the output circuit module 6 that connects successively, and abnormity protection circuit module 7, and wherein filter module 9 is a ∏ mode filter circuit structure; Inverter module 5 is an AC/DC external excited inverter circuit structure; Above-mentioned all parts all are positioned at about the same printed board; Its operation principle is: get into ∏ mode filter module 9 through the anti-protective circuit of overcurrent/connect after extraneous DC power supply inserts and carry out filtering; Insert AC/DC external excited inverter module 5 as driving source then and convert corresponding high-frequency ac power to; Export low-pressure sodium lamp to through output circuit module 6, accomplish lighting of low-pressure sodium lamp; The input of feedback circuit protection module 7 is connected with output circuit module 6; Detect the connection and the working signal of low-pressure sodium lamp on the output circuit module 6; When waiting not access or lamp to damage; Abnormity protection circuit module 7 starts and feedback signal is exported AC/DC external excited inverter module 5, makes AC/DC external excited inverter module 5 failure of oscillations.Shortcomings such as the utility model has solved the production requirement that can't contain different capacity and power factor in traditional electric ballast, and pardon is relatively poor.
Embodiment recited above describes the preferred implementation of the utility model; Be not that design and protection range to the utility model limits; Under the prerequisite that does not break away from the utility model design concept; Common engineers and technicians make the technical scheme of the utility model in this area various modification and improvement all should fall into the protection range of the utility model.
Claims (7)
1. electric ballast; Comprise EMI/RMI filter module (1) and bridge full-wave rectifier module (2); It is characterized in that: AC power connects EMI/RMI filter module (1); EMI/RMI filter module (1) connects bridge-type full-wave rectification block (2), and bridge full-wave rectifier module (2) connects power factor correction module (3), and power factor correction module (3) connects DC filtering circuit (4); DC filtering circuit (4) connects inverter module (5), and inverter module (5) connects output circuit module (6).
2. electric ballast according to claim 1; It is characterized in that: the input of unusual circuit protection module (7) connects output circuit module (6), and the output of said unusual circuit protection module (7) connects power factor correction module (3), AC/DC external excited inverter module (5) respectively.
3. electric ballast according to claim 1; It is characterized in that: DC power supply connects protective circuit module (8); Protective circuit module (8) connects filter module (9); Filter module (9) connects inverter module (5), and inverter module (5) connects output circuit module (6).
4. electric ballast according to claim 3 is characterized in that: the output of output circuit module (6) connects the input of unusual circuit protection module (7), and the output of unusual circuit protection module (7) connects inverter module (5).
5. electric ballast according to claim 1 is characterized in that: said power factor correction module (3) is APFC APFC structure or PPFC passive power factor correcting circuit structure.
6. electric ballast according to claim 1 is characterized in that: said EMI/RMI filter module (1) is anti-electromagnetic interference electromagnetic interface filter and anti-radio interference RMI filter circuit configuration.
7. electric ballast according to claim 2 is characterized in that: the circuit structure of said unusual circuit protection module (7) for making inverter stop shaking; Inverter module (5) is an AC/DC external excited inverter circuit structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200219797U CN202524625U (en) | 2012-01-18 | 2012-01-18 | Electronic ballast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200219797U CN202524625U (en) | 2012-01-18 | 2012-01-18 | Electronic ballast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202524625U true CN202524625U (en) | 2012-11-07 |
Family
ID=47107549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200219797U Expired - Fee Related CN202524625U (en) | 2012-01-18 | 2012-01-18 | Electronic ballast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202524625U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105813363A (en) * | 2014-12-31 | 2016-07-27 | 徐承金 | Integrated control chip and ballast device for effectively inhibiting pulse current and voltage |
-
2012
- 2012-01-18 CN CN2012200219797U patent/CN202524625U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105813363A (en) * | 2014-12-31 | 2016-07-27 | 徐承金 | Integrated control chip and ballast device for effectively inhibiting pulse current and voltage |
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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: 20121107 Termination date: 20150118 |
|
| EXPY | Termination of patent right or utility model |