CN105553294A - Weak current equipment power supply control device of information box - Google Patents
Weak current equipment power supply control device of information box Download PDFInfo
- Publication number
- CN105553294A CN105553294A CN201610092239.5A CN201610092239A CN105553294A CN 105553294 A CN105553294 A CN 105553294A CN 201610092239 A CN201610092239 A CN 201610092239A CN 105553294 A CN105553294 A CN 105553294A
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- Prior art keywords
- power supply
- weak current
- positive pole
- supply output
- connection circuit
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/145—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M7/155—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
- H02M7/162—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only in a bridge configuration
- H02M7/1623—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only in a bridge configuration with control circuit
- H02M7/1626—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only in a bridge configuration with control circuit with automatic control of the output voltage or current
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention relates to a weak current equipment power supply control device of an information box. The weak current equipment power supply control device is characterized by comprising a 220V alternating current power supply, a 12V/5A switch power supply, a 4-path direct current power supply output circuit and a router 9V direct current power supply output circuit. The mainstream weak current information boxes in the market have the common characteristic that 12V direct current power supplies which are necessary for weak current equipment are not provided in the boxes. According to modern home decoration characteristics and requirements on the weak current information box, the weak current equipment power supply control device respectively provides working power supplies for the weak current equipment such as broadband modems, cable television amplifying distributors, high-definition television set top boxes, WIFI high-definition cameras and multi-port routers. According to the weak current equipment power supply control device of the information box, the concentrated management of the direct current power supplies is facilitated, and the application performance of the direct current power supplies is improved; furthermore, the internal of the weak current information box is clean and beautiful, and the security of electricity utilization is also greatly improved.
Description
Technical field
The invention belongs to vulnerabilities scan technical field, is about a kind of information box weak current equipment power control.
Background technology
On market, the common feature of main flow light current information box is: do not provide weak current equipment necessary 12V DC power supply in case, make many light current information equipments, as: the AC power source adapter that broadband modem, Wire television amplifying distributor, HDTV (High-Definition Television) Set Top Box, WIFI high-definition camera, many mouthfuls of routers etc. can only use that respective product carries respectively, that specification is different, size is different.Because light current information box inside dimension is generally less than normal, the power supply adaptor of above-mentioned weak current equipment is put to enter at all, and can only to be inserted by power supply adaptor according to demand during use and take out, not only bad management, exists Electrical Safety problem, nor attractive in appearance.
According to modern house finishing feature and the demand to light current information box, the weak current equipments such as the present invention is broadband modem, Wire television amplifying distributor, HDTV (High-Definition Television) Set Top Box, WIFI high-definition camera and many mouthfuls of routers each provide working power.The present invention had both facilitated DC power supply to manage concentratedly, turn improved the effective utilization of DC power supply, and made light current information box inside neat and artistic, and the fail safe of electricity consumption also greatly increases.
Below describe that information box weak current equipment power control of the present invention is involved necessary in implementation process, guardian technique content in detail.
Summary of the invention
Goal of the invention and beneficial effect: on market, the common feature of the light current information box of main flow is: in case, do not provide weak current equipment necessary 12V DC power supply.According to modern house finishing feature and the demand to light current information box, the weak current equipments such as the present invention is broadband modem, Wire television amplifying distributor, HDTV (High-Definition Television) Set Top Box, WIFI high-definition camera and many mouthfuls of routers each provide working power.The present invention had both facilitated DC power supply to manage concentratedly, turn improved the effective utilization of DC power supply, and made light current information box inside neat and artistic, and the fail safe of electricity consumption also greatly increases.
Circuit working principle: information box weak current equipment power control uses 12V/5A Switching Power Supply to distribute 5 road output voltages, supplies the weak current equipments such as broadband modem, Wire television amplifying distributor, HDTV (High-Definition Television) Set Top Box, WIFI high-definition camera and many mouthfuls of routers respectively.The structure of each road output voltage circuit is substantially identical, each road output voltage adopts the very little Schottky diode of pressure drop or silicon rectifier diode to be isolated from each other respectively, and each road output voltage carries out low frequency filtering, High frequency filter and anti-interference process respectively.Each road output voltage carries out independent control with mains switch respectively.For router market being taked 9V DC power supply, by 4 series connection silicon rectifier diode pressure drop process mutually, 12V direct voltage is reduced to 9V.Protection ground wire PE passes through anti-interference capacitor C11 connection circuit ground GND, for the interference that the various induced voltage of bypass or electrostatic cause.
Technical scheme: information box weak current equipment power control, it comprises 220V AC power, 12V/5A Switching Power Supply, 4 tunnel DC power supply output circuits, router 9V DC power supply output circuit, it is characterized in that:
12V/5A Switching Power Supply: the input of 12V/5A Switching Power Supply meets the zero line side N of live wire end L, 220V AC power of 220V AC power respectively, the positive pole connection circuit positive pole VCC of 12V/5A switched power output, the negative pole connection circuit ground GND of 12V/5A switched power output, protection ground wire PE is by Absorption Capacitance C11 connection circuit ground GND;
4 tunnel DC power supply output circuits: it is by broadband modem DC power supply output circuit, Wire television amplifying distributor DC power supply output circuit, HDTV (High-Definition Television) Set Top Box DC power supply output circuit, WIFI high-definition camera DC power supply output circuit forms, broadband modem DC power supply output circuit is by Schottky diode D4, filter capacitor C8, High frequency filter coil L4, anti-interference capacitor C7, bleeder resistance R4 and mains switch SW4 forms, its components and parts annexation is the positive pole connection circuit positive pole VCC of Schottky diode D4, the negative pole of Schottky diode D4 connects the positive pole of filter capacitor C8 and one end of High frequency filter coil L4, one end of another termination anti-interference capacitor C7 of High frequency filter coil L4 and one end of bleeder resistance R4 and one end of mains switch SW4, the negative pole of filter capacitor C8, the other end of anti-interference capacitor C7 and the other end connection circuit ground GND of bleeder resistance R4, the positive pole of another termination broadband modem DC supply input of mains switch SW4, the negative pole connection circuit ground GND of broadband modem DC supply input,
The annexation of Wire television amplifying distributor DC power supply output circuit, HDTV (High-Definition Television) Set Top Box DC power supply output circuit, WIFI high-definition camera DC power supply output circuit components and parts is identical with broadband modem DC power supply output circuit annexation;
Router 9V DC power supply output circuit: it is by 4 silicon rectifier diode D5 ~ D8, filter capacitor C10, anti-interference capacitor C9, bleeder resistance R5 and mains switch SW5 forms, the annexation of its components and parts is that 4 silicon rectifier diode D5 ~ D8 connect mutually, the positive pole connection circuit positive pole VCC of silicon rectifier diode D5, the negative pole of silicon rectifier diode D8 and the positive pole of filter capacitor C10 connect one end of High frequency filter coil L5, one end of another termination anti-interference capacitor C9 of High frequency filter coil L5 and one end of bleeder resistance R5 and one end of mains switch SW5, the negative pole of filter capacitor C10, the other end of anti-interference capacitor C9 and the other end connection circuit ground GND of bleeder resistance R5, the positive pole of another termination 9V router DC supply input of mains switch SW5, the negative pole connection circuit ground GND of 9V router DC supply input.
Accompanying drawing explanation
Accompanying drawing 1 is specification digest accompanying drawing provided by the invention; Accompanying drawing 2 is circuit working schematic diagrams of an information box weak current equipment power control provided by the invention embodiment.
Embodiment
According to the information box weak current equipment power control circuit working schematic diagram shown in accompanying drawing 1 and accompanying drawing explanation, and according to annexation between components and parts in each several part circuit described in summary of the invention, and components and parts technical parameter described in execution mode requires and circuit production main points are carried out enforcement and can be realized the present invention, is further described correlation technique of the present invention below in conjunction with embodiment.
The technical parameter of components and parts and selection requirement thereof
D1 ~ D4 is Schottky diode, and its technical parameter is 2A/20V; D5 ~ D8 is silicon rectifier diode, and the model selected is 1N4001;
L1 ~ L5 is High frequency filter coil, can use colour coding inductance coil, requires that inductance value is 15 μ L;
R1 ~ R5 is bleeder resistance, and its resistance is 4.3K Ω;
C1, C3, C5, C7 and C9 are anti-interference capacitor, and the capacity of use is the electric capacity of the dacron of 6800PF; C11 is Absorption Capacitance, and the capacity of use is the electric capacity of the dacron of 0.1 μ F; C2, C4, C6, C8 and C10 are filter capacitor, and use capacity is the electrochemical capacitor of 680 μ F/25V;
SW1 ~ SW5 is mains switch, all uses common compact ship type Mono-pole switch;
12V Switching Power Supply, requires output current >=5A.
Circuit production main points, circuit debugging and using method
Because the circuit structure of information box weak current equipment power control is fairly simple, as long as the electronic devices and components performance generally selected is intact, and the components and parts annexation to specifications in accompanying drawing 1 is welded, physical connection line and welding quality are through carefully checking correctly, and circuit of the present invention only needs to debug simply and can normally work.
Circuit structure design of the present invention, components' placement; and its face shaping and size etc. thereof are not all key technologies of the present invention; neither application claims protection guardian technique content; because not affecting the realization of specific implementation process of the present invention and goal of the invention, therefore do not illustrate one by one in the description.
Claims (1)
1. an information box weak current equipment power control, it comprises 220V AC power, 12V/5A Switching Power Supply, 4 tunnel DC power supply output circuits, router 9V DC power supply output circuit, it is characterized in that:
Described 12V/5A Switching Power Supply, the input of 12V/5A Switching Power Supply meets the zero line side N of live wire end L, 220V AC power of 220V AC power respectively, the positive pole connection circuit positive pole VCC of 12V/5A switched power output, the negative pole connection circuit ground GND of 12V/5A switched power output, protection ground wire PE is by Absorption Capacitance C11 connection circuit ground GND;
4 described tunnel DC power supply output circuits are by broadband modem DC power supply output circuit, Wire television amplifying distributor DC power supply output circuit, HDTV (High-Definition Television) Set Top Box DC power supply output circuit, WIFI high-definition camera DC power supply output circuit forms, broadband modem DC power supply output circuit is by Schottky diode D4, filter capacitor C8, High frequency filter coil L4, anti-interference capacitor C7, bleeder resistance R4 and mains switch SW4 forms, its components and parts annexation is the positive pole connection circuit positive pole VCC of Schottky diode D4, the negative pole of Schottky diode D4 connects the positive pole of filter capacitor C8 and one end of High frequency filter coil L4, one end of another termination anti-interference capacitor C7 of High frequency filter coil L4 and one end of bleeder resistance R4 and one end of mains switch SW4, the negative pole of filter capacitor C8, the other end of anti-interference capacitor C7 and the other end connection circuit ground GND of bleeder resistance R4, the positive pole of another termination broadband modem DC supply input of mains switch SW4, the negative pole connection circuit ground GND of broadband modem DC supply input,
Described router 9V DC power supply output circuit is by 4 silicon rectifier diode D5 ~ D8, filter capacitor C10, anti-interference capacitor C9, bleeder resistance R5 and mains switch SW5 forms, the annexation of its components and parts is that 4 silicon rectifier diode D5 ~ D8 connect mutually, the positive pole connection circuit positive pole VCC of silicon rectifier diode D5, the negative pole of silicon rectifier diode D8 and the positive pole of filter capacitor C10 connect one end of High frequency filter coil L5, one end of another termination anti-interference capacitor C9 of High frequency filter coil L5 and one end of bleeder resistance R5 and one end of mains switch SW5, the negative pole of filter capacitor C10, the other end of anti-interference capacitor C9 and the other end connection circuit ground GND of bleeder resistance R5, the positive pole of another termination 9V router DC supply input of mains switch SW5, the negative pole connection circuit ground GND of 9V router DC supply input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610092239.5A CN105553294A (en) | 2016-02-18 | 2016-02-18 | Weak current equipment power supply control device of information box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610092239.5A CN105553294A (en) | 2016-02-18 | 2016-02-18 | Weak current equipment power supply control device of information box |
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| Publication Number | Publication Date |
|---|---|
| CN105553294A true CN105553294A (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610092239.5A Pending CN105553294A (en) | 2016-02-18 | 2016-02-18 | Weak current equipment power supply control device of information box |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201118853Y (en) * | 2007-11-22 | 2008-09-17 | 宁波勃埃斯塔电子实业公司 | A device for providing video monitoring device with uninterrupted power |
| CN203933391U (en) * | 2014-05-15 | 2014-11-05 | 奇瑞汽车股份有限公司 | A kind of multichannel DC power module application circuit |
| CN104184341A (en) * | 2013-05-27 | 2014-12-03 | 群光电能科技股份有限公司 | Power supply device |
| CN205336137U (en) * | 2016-02-18 | 2016-06-22 | 吴建堂 | Information case weak current equipment power controlling means |
-
2016
- 2016-02-18 CN CN201610092239.5A patent/CN105553294A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201118853Y (en) * | 2007-11-22 | 2008-09-17 | 宁波勃埃斯塔电子实业公司 | A device for providing video monitoring device with uninterrupted power |
| CN104184341A (en) * | 2013-05-27 | 2014-12-03 | 群光电能科技股份有限公司 | Power supply device |
| CN203933391U (en) * | 2014-05-15 | 2014-11-05 | 奇瑞汽车股份有限公司 | A kind of multichannel DC power module application circuit |
| CN205336137U (en) * | 2016-02-18 | 2016-06-22 | 吴建堂 | Information case weak current equipment power controlling means |
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Application publication date: 20160504 |