CN203656856U - LED high-voltage module group driven by 220 V alternating current - Google Patents
LED high-voltage module group driven by 220 V alternating current Download PDFInfo
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- CN203656856U CN203656856U CN201320889953.9U CN201320889953U CN203656856U CN 203656856 U CN203656856 U CN 203656856U CN 201320889953 U CN201320889953 U CN 201320889953U CN 203656856 U CN203656856 U CN 203656856U
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- high pressure
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- 230000001681 protective effect Effects 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 13
- 239000003063 flame retardant Substances 0.000 claims description 9
- 230000002459 sustained effect Effects 0.000 claims description 6
- 238000004146 energy storage Methods 0.000 claims description 3
- 238000004079 fireproofing Methods 0.000 claims description 2
- 238000005286 illumination Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000011324 bead Substances 0.000 abstract 2
- 239000011049 pearl Substances 0.000 description 21
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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Abstract
The utility model discloses an LED high-voltage module group driven by 220V alternating current, which belongs to the field of LED technology. The LED high-voltage module group comprises a power supply box bearing AC/DC switching circuit, at least one strip-shaped lamp box body which is connected through a module group connecting line and is composed of LED module groups, and LED lamp beads which are disposed on the LED module groups and are connected to the AC/DC switching circuit. The AC/DC switching circuit comprises a pressure-sensitive resistor, with two ends being respectively connected to commercial power, a protective tube disposed between one end of the pressure-sensitive resistor and the commercial power in a connecting manner, a thermistor disposed between the other end of the pressure-sensitive resistor and the commercial power in a connecting manner, a rectifier in parallel connection with the pressure-sensitive resistor, and a pressure-reducing constant current circuit connected to the output end of the rectifier. The LED lamp beads are in a series connection with the pressure-reducing constant current circuit. The LED high-voltage module group driven by 220V alternating current is advantageous in that the problem that the LED lamp box of the low-voltage module group cannot be directly connected to commercial power can be resolved; illumination uniformity can be increased, and the LED high-voltage module group is suitable for popularization.
Description
Technical field
The utility model relates to a kind of LED lamp box, and specifically, what relate to is that one exchanges electrically driven (operated) LED high pressure module by 220V.
Background technology
In recent years, LED advertisement and identifier industry has obtained the development of advancing by leaps and bounds.Surging along with global awareness of saving energy, and under the background that conventional light source electricity price is higher relatively, LED light source energy-saving and environmental protection are supported industry for national policy simultaneously, impel business, building, advertisement and identifier field to continue importing LED lamphouse light source.Wherein the LED lamp box of low pressure module is because the advantages such as luminous heat is little, life-span length, small volume are widely used in advertisement and identifier industry.
At present, what advertisement and identifier industry was mainly used is low pressure module, the technical scheme that adopts low-voltage dc power supply to separate with LED luminescence component, mainly there is following problem in it: LED driving voltage is low-voltage DC, makes the LED light source of advertisement and identifier need to mix separately dc source, owing to there being problem of pressure drop, the fed distance of LED power supply is shorter, and voltage attenuation is large, and fed distance is very restricted, if adopt waterproof power supply, cost is higher.And the quality problems of power supply itself, cause the fault rate of whole LED light source system greatly to increase at present.And for light source connecting line, its access lamp box is usually in utter disorder, cause client's installation and maintenance all very inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of and exchanges electrically driven (operated) LED high pressure module by 220V, mainly solves the problem that common LED illuminating module in prior art cannot direct external 220V alternating current.
To achieve these goals, the technical solution adopted in the utility model is as follows:
One exchanges electrically driven (operated) LED high pressure module by 220V, comprise the long strip shape lamp box main body that the LED module that is connected by module connecting line with at least one by the power pack of carrying AC/DC change-over circuit forms, and be positioned at the LED lamp pearl being connected on this LED module and with described AC/DC change-over circuit; Wherein, described AC/DC change-over circuit comprises the piezo-resistance that two ends are electrically connected with city respectively, be connected in the protective tube between this piezo-resistance one end and civil power, be connected in the thermistor between this piezo-resistance other end and civil power, the rectifier in parallel with described piezo-resistance, and the step-down constant-current circuit being connected with the output of this rectifier; Described LED lamp pearl is connected with this step-down constant-current circuit.
Further, described step-down constant-current circuit comprises the filter capacitor C1 in parallel with the output of described rectifier, the constant current chip in parallel with this filter capacitor C1, and be connected in the sustained diode 2 between this constant current chip and described filter capacitor C1, and energy storage inductor L and the discharge resistance R5 in parallel with this sustained diode 2 after mutually connecting.
Preferably, described LED lamp pearl is in parallel with described discharge resistance R5; Described discharge resistance R5 is also parallel with capacitor C 2; Between the power input of described constant current chip and the output of described rectifier, be also in series with resistance R 1 and resistance R 2.
Again further, described power pack is the fire-retardant power pack of ABS.
Further, described LED module comprises the carrier be made up of ABS fire proofing and is fixed on the LED lamp pearl on this carrier, and wherein the fire-retardant power pack of LED module and ABS is connected mutually.
For improving the illumination uniformity, be also fixed with on described LED module the lens that are positioned at LED lamp pearl top.
Compared with prior art, the utlity model has following beneficial effect:
(1) the utility model is from wound DC converting circuit, and it and LED operating circuit are integrated in same module, thereby realize the function of the direct external 220V alternating current of LED advertising sign module, make it in the time that reality is used, can directly use civil power, need not remake conversion, both simplified the installation difficulty of LED advertising lamp box, improve ease of use, save again the low-voltage dc power supply of prior art, reduce product cost, have advantages of simple in structure, with low costly, and can greatly reduce fault rate, be applicable to very much promoting the use of.
(2) because advertisement LED lamp box is located at open air mostly, therefore need to consider the impact of weather on it, in prior art, electronic device considers waterproof, protection against the tide, fire-proof function, use expensive direct current waterproof power supply, the utility model for this present situation at fire-retardant power pack of ABS of AC/DC change-over circuit outer wrapping, can form good fire-resistant waterproof effect to AC/DC change-over circuit, greatly extended the service life of AC/DC change-over circuit.
(3) not of uniform size the causing of the utility model LED lamp box in actual applications causes the difference of demand electrical power value larger, therefore in AC/DC change-over circuit for making LED lamp pearl luminous evenly, what adopt is constant current chip but not current regulator diode makes its voltage scope of application wider, and adaptive capacity is higher.
(4) the utility model is fixed on LED lamp pearl on LED module, for preventing causing the situation of whole LED lamp box luminance nonuniformity to occur after the LED lamp pearl from damaging, LED module adopts series connection form to connect, after a LED lamp pearl bright light loses efficacy, all LED lamp pearls quit work, and ensured the advertising results of irradiating.
(5) circuit that the utility model adopts is simplified reliably, taking a rectifying device as core, 220V alternating current direct is switched through to the direct current for 240V, supply with many groups LED module of series connection mutually, and in LED module operating circuit, access a current regulator diode D2, thereby can effectively ensure that LED, for a long time in constant current state, ensures the luminous uniformity.
(6) the utlity model has the advantage of energy-saving and environmental protection, a LED module can carry multiple LED lamp pearls, can further improve the brightness of LED lamp box, can replace the conventional module of traditional low pressure.
(7) the present invention has adopted the fire-retardant complete plastic module of the fire-retardant power supply tape of ABS ABS as structure carrier, and this is designed with good waterproof and puts dirt, fire retardant insulating effect, and product is durable in use, safe and reliable, and practical value is high.
Brief description of the drawings
Fig. 1 is AC/DC change-over circuit figure in the utility model.
Fig. 2 is the external structure of LED lamphouse light source in the utility model.
Fig. 3 is the external structure of power pack in the utility model.
Fig. 4 is the structural representation of LED module in the utility model.
Fig. 5 is the side structure schematic diagram of LED module in the utility model.
In above-mentioned accompanying drawing, the component names that Reference numeral is corresponding is as follows:
1-power pack, 2-LED module, 3-LED lamp pearl, 4-module connecting line, 5-lens.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail, and embodiment of the present utility model includes but not limited to the following example.
Embodiment
The disclosed LED low pressure of the utility model module, on connecting by a power pack 1, multiple LED modules 2 have completed the function of LED lamphouse light source.
As shown in Figure 1, in described power pack 1, be fixed with AC/DC change-over circuit, described AC/DC change-over circuit comprises the piezo-resistance that two ends are electrically connected with city respectively, be connected in the protective tube between this piezo-resistance one end and civil power, be connected in the thermistor between this piezo-resistance other end and civil power, the rectifier in parallel with described piezo-resistance, and the step-down constant-current circuit being connected with the output of this rectifier; Described LED lamp pearl is connected with this step-down constant-current circuit.Described step-down constant-current circuit comprises the filter capacitor C1 in parallel with the output of described rectifier, the constant current chip in parallel with this filter capacitor C1, and be connected in the sustained diode 2 between this constant current chip and described filter capacitor C1, and energy storage inductor L and the discharge resistance R5 in parallel with this sustained diode 2 after mutually connecting.
Preferably, described LED lamp pearl is in parallel with described discharge resistance R5; Described discharge resistance R5 is also parallel with capacitor C 2; Between the power input of described constant current chip and the output of described rectifier, be also in series with resistance R 1 and resistance R 2.
Described constant current chip adopts BP3122 octal chip, can carry out constant current to large-scale voltage, reaches the function that LED lamp pearl is not glimmered; Simultaneously a patch capacitor C2 in parallel between the input of constant current chip and earth terminal, prevents that clutter from affecting constant current chip work, causes the constant current chip lost of life.Because the price of chip is higher, change inconvenience, consider the maintenance issues of LED lamphouse light source, connect two sampling resistor R1 and R2 at the chip selection signal end of constant current chip, for manual testing, convenient maintenance.
The present embodiment adopts discharge resistance R5 to discharge to LED lamp pearl.Multiple LED lamp pearls of each LED module are connected mutually, and it is upper that whole series arm is parallel to discharge resistance R5.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, shown in the present embodiment each LED module have three LED lamp pearls 3, have 7 LED modules, be applied to larger lamp box.Wherein AC/DC change-over circuit is sealed in power pack, this power pack adopts the fire-retardant power pack of ABS, waterproof, moistureproof and fire prevention, LED module shell is ABS inflaming retarding shell, all LED modules connect by module connecting line 4, LED lamp pearl 3 light emitting regions on LED module are 130 °, uniform-illumination; And in order further to improve uniform-illumination effect, on each LED module, be positioned at LED lamp pearl above be fixed with again lens 5, the more uniform three disjunctor lens of lens preferred light illumination in the present embodiment, are applicable to the module that comprises 3 LED lamp pearls.
As shown in Figure 4, on the LED module in the utility model, mark has an installation direction arrow, is the direct current supply after rectification due to what adopt, therefore for preventing setup error, damages LED module, on the shell of LED module, also identifies and has both positive and negative polarity.
Above-described embodiment is only preferred embodiment of the present utility model; the not restriction to the utility model protection domain; in every case adopt design principle of the present utility model, and carry out non-creativeness work on this basis and the variation made, within all should belonging to protection domain of the present utility model.
Claims (8)
1. one kind exchanges electrically driven (operated) LED high pressure module by 220V, it is characterized in that, comprise the long strip shape lamp box main body that the LED module (2) that is connected by module connecting line (4) with at least one by the power pack (1) of carrying AC/DC change-over circuit forms, and be positioned at the LED lamp pearl (3) that this LED module (2) is upper and be connected with described AC/DC change-over circuit; Wherein, described AC/DC change-over circuit comprises the piezo-resistance that two ends are electrically connected with city respectively, be connected in the protective tube between this piezo-resistance one end and civil power, be connected in the thermistor between this piezo-resistance other end and civil power, the rectifier in parallel with described piezo-resistance, and the step-down constant-current circuit being connected with the output of this rectifier; Described LED lamp pearl (3) is connected with this step-down constant-current circuit.
2. one according to claim 1 exchanges electrically driven (operated) LED high pressure module by 220V, it is characterized in that, described step-down constant-current circuit comprises the filter capacitor C1 in parallel with the output of described rectifier, the constant current chip in parallel with this filter capacitor C1, and be connected in the sustained diode 2 between this constant current chip and described filter capacitor C1, and energy storage inductor L and the discharge resistance R5 in parallel with this sustained diode 2 after mutually connecting.
3. one according to claim 2 exchanges electrically driven (operated) LED high pressure module by 220V, it is characterized in that, described LED lamp pearl (3) is in parallel with described discharge resistance R5.
4. one according to claim 3 exchanges electrically driven (operated) LED high pressure module by 220V, it is characterized in that, described discharge resistance R5 is also parallel with capacitor C 2.
5. one according to claim 4 exchanges electrically driven (operated) LED high pressure module by 220V, it is characterized in that, is also in series with resistance R 1 and resistance R 2 between the power input of described constant current chip and the output of described rectifier.
6. one exchanges electrically driven (operated) LED high pressure module by 220V according to claim 1 or 5, it is characterized in that, described power pack (1) is the fire-retardant power pack of ABS.
7. one according to claim 6 exchanges electrically driven (operated) LED high pressure module by 220V, it is characterized in that, described LED module (2) comprises the carrier be made up of ABS fire proofing and is fixed on the LED lamp pearl (3) on this carrier, and wherein LED module (2) and the fire-retardant power pack of ABS are connected mutually.
8. one according to claim 7 exchanges electrically driven (operated) LED high pressure module by 220V, it is characterized in that, is also fixed with the lens (5) that are positioned at LED lamp pearl (3) top on described LED module (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889953.9U CN203656856U (en) | 2013-12-31 | 2013-12-31 | LED high-voltage module group driven by 220 V alternating current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889953.9U CN203656856U (en) | 2013-12-31 | 2013-12-31 | LED high-voltage module group driven by 220 V alternating current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203656856U true CN203656856U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320889953.9U Expired - Lifetime CN203656856U (en) | 2013-12-31 | 2013-12-31 | LED high-voltage module group driven by 220 V alternating current |
Country Status (1)
| Country | Link |
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| CN (1) | CN203656856U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712189A (en) * | 2013-12-31 | 2014-04-09 | 李忠训 | LED high-voltage module driven by 220V alternating current |
| CN105910016A (en) * | 2016-04-29 | 2016-08-31 | 四川蓝景光电技术有限责任公司 | LED light source used on side face of ultrathin lamp box of 8-20 cm |
-
2013
- 2013-12-31 CN CN201320889953.9U patent/CN203656856U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712189A (en) * | 2013-12-31 | 2014-04-09 | 李忠训 | LED high-voltage module driven by 220V alternating current |
| CN105910016A (en) * | 2016-04-29 | 2016-08-31 | 四川蓝景光电技术有限责任公司 | LED light source used on side face of ultrathin lamp box of 8-20 cm |
| WO2017185399A1 (en) * | 2016-04-29 | 2017-11-02 | 四川蓝景光电技术有限责任公司 | Led light source used on the basis of side face of ultrathin light box having a thickness of 8-20cm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160322 Address after: 610200, No. two, section two, airport road 1000, Southwest Economic Development Zone, Shuangliu County, Sichuan, Chengdu Patentee after: BLUEVIEW ELEC-OPTIC TECH Co.,Ltd. Address before: Chenghua District Shuangqing Road Chengdu City, Sichuan province 610000 26 1 unit 1 Building No. 1603 Patentee before: Li Zhongxun |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |