CN202513838U - Low voltage power carrier communication power supply - Google Patents
Low voltage power carrier communication power supply Download PDFInfo
- Publication number
- CN202513838U CN202513838U CN2012201369240U CN201220136924U CN202513838U CN 202513838 U CN202513838 U CN 202513838U CN 2012201369240 U CN2012201369240 U CN 2012201369240U CN 201220136924 U CN201220136924 U CN 201220136924U CN 202513838 U CN202513838 U CN 202513838U
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- power supply
- low voltage
- carrier communication
- output unit
- carrier
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Abstract
The utility model relates to the field of low voltage power supplies, in particular to a low voltage power carrier communication power supply for a low voltage carrier electric energy meter, a low voltage carrier concentrator and a low voltage carrier relay, and aims to solve the problems that the supply voltage of the conventional low voltage power supply is lowered because high current is required during carrier communication, a singlechip works unstably, and the like. The power supply comprises a transformer, a rectifying bridge and a power output unit which are connected in sequence, wherein the secondary coil of the transformer is provided with a second rectifying bridge and a second power output unit; and the power output unit and the second power output unit are commonly grounded. An independent power supply is used for the carrier communication, and a carrier power supply and a singlechip power supply are commonly grounded, so that the supply voltage of a control part can be lowered, the supply voltage of the carrier communication can be appropriately raised, and the carrier communication is stable and reliable in work and long in communication distance.
Description
Technical field
The utility model relates to the low-tension supply field, especially about a kind of low voltage electric power carrier communication power supply of low voltage carrier electric power table, low pressure carrier wave concentrator, low pressure carrier wave repeater.
Background technology
Existing low voltage carrier electric power table, low pressure carrier wave concentrator, low pressure carrier wave repeater ubiquity communication distance are far away inadequately; Because required electric current causes supply voltage to reduce and phenomenons such as single-chip microcomputer job insecurity more greatly during carrier communication; The effective way that improves communication distance is to improve the carrier wave transmitted power; The main way that improves transmitted power is exactly to improve the supply power voltage of carrier communication; Carrier communication as shown in Figure 1 traditionally and single-chip microcomputer use same power supply, can not improve the supply power voltage of carrier communication because the operating voltage of some components and parts of microcontroller power supply is limited.
Summary of the invention
The utility model provides a kind of more stable work of carrier communication reliable to the deficiency of prior art, a kind of low voltage electric power carrier communication power supply that communication distance is farther.
For realizing that above-mentioned purpose the utility model adopts following technical scheme:
A kind of low voltage electric power carrier communication power supply; Comprise the transformer, rectifier bridge and the power supply output unit that are linked in sequence; It is characterized in that: said transformer secondary output also is provided with second rectifier bridge and second source output unit, and power supply output unit and second source output unit are altogether.
Say that further the input before the transformer also is provided for suppressing high-frequency noise and spike disturbs, absorb the single hole magnetic bead of electrostatic pulse.
Say that further also comprise being arranged on the preceding piezo-resistance of transformer input, said piezo-resistance two ends are connecting to neutral line and live wire respectively.
Say that further said power supply output unit comprises pressurizer and filter capacitor, building-out capacitor and linear voltage regulator.
Say that further said second source output unit comprises electrochemical capacitor and the building-out capacitor that is used for filtering and voltage stabilizing.
The utlity model has following beneficial effect:
The utility model adopts independently, and power supply is that carrier communication is used; Carrier power source and microcontroller power supply so both can reduce the supply voltage of control section with ground, can suitably improve the supply power voltage of carrier communication again; Make that the more stable work of carrier communication is reliable, communication distance is farther.
Description of drawings
Fig. 1 is traditional power circuit principle figure;
Fig. 2 is the schematic diagram of power supply;
1-piezo-resistance, 2-single hole magnetic bead, 3-transformer, 4-rectifier bridge, 5-building-out capacitor, 6-electricity 7-linear voltage regulator among the figure.VDD, VHH3 are respectively single-chip microcomputer and carrier communication provides the power supply supply among the figure.
Embodiment
The utility model relates to the conceptual design of carrier power meter, carrier wave concentrator, carrier repeater power supply, and the power supply of ordinary circumstance carrier communication part is exported through transformer, supplies power to carrier communication and single-chip microcomputer after the rectification; In actual use, because single-chip microcomputer and the shared power supply of carrier communication, in order to improve the distance of carrier communication; A main path is exactly to improve the supply power voltage of carrier communication, uses the scheme of journey carrier chip dawn to be example with my company, and the supply power voltage behind over commutation is about VHH1 (20v); Directly as the supply power voltage of carrier communication and the driving voltage of magnetic latching relay, VHH1 (20v) is through the supply power voltage of three-terminal voltage-stabilizing output VDD (5v) as single-chip microcomputer, and we in use find such scheme; When line voltage is too high; Voltage behind over commutation can be higher, and the components and parts in the circuit are had damage, brings in three and say that it can be higher than its permission input voltage far away; Also can cause job insecurity; Under normal working voltage, because magnetic latching relay and carrier communication use same power supply when through carrier wave the operating state of relay being set, because carrier wave and relay on-off need big electric current simultaneously; Often cause the relay on-off success, the situation of carrier communication failure.In order to improve above situation, the utility model provides a kind of new scheme, i.e. independently power supply power supply is used in carrier communication; But carrier power source and microcontroller power supply are with ground; So both can reduce the supply voltage of control section, can suitably improve the supply power voltage of carrier communication again, make that the more stable work of carrier communication was reliable; Communication distance is farther, has avoided above-described deficiency.
The utility model technical scheme is specifically:
A kind of low voltage electric power carrier communication power supply comprises the transformer, rectifier bridge and the power supply output unit that are linked in sequence, and said transformer secondary output also is provided with second rectifier bridge and second source output unit, and power supply output unit and second source output unit are altogether.
Say that further the input before the transformer also is provided for suppressing high-frequency noise and spike disturbs, absorb the single hole magnetic bead of electrostatic pulse.
Say that further also comprise being arranged on the preceding piezo-resistance of transformer input, said piezo-resistance two ends are connecting to neutral line and live wire respectively.
Say that further said power supply output unit comprises pressurizer and filter capacitor, building-out capacitor and linear voltage regulator.
Say that further said second source output unit comprises electrochemical capacitor and the building-out capacitor that is used for filtering and voltage stabilizing.
Claims (5)
1. low voltage electric power carrier communication power supply; Comprise the transformer, rectifier bridge and the power supply output unit that are linked in sequence; It is characterized in that: said transformer secondary output also is provided with second rectifier bridge and second source output unit, and power supply output unit and second source output unit are altogether.
2. a kind of low voltage electric power carrier communication power supply according to claim 1 is characterized in that: the input before the transformer also is provided for suppressing high-frequency noise and spike disturbs, and absorbs the single hole magnetic bead of electrostatic pulse.
3. a kind of low voltage electric power carrier communication power supply according to claim 1 is characterized in that: also comprise being arranged on the preceding piezo-resistance of transformer input, said piezo-resistance two ends are connecting to neutral line and live wire respectively.
4. a kind of low voltage electric power carrier communication power supply according to claim 1 is characterized in that: said power supply output unit comprises pressurizer and filter capacitor, building-out capacitor and linear voltage regulator.
5. a kind of low voltage electric power carrier communication power supply according to claim 1 is characterized in that: said second source output unit comprises electrochemical capacitor and the building-out capacitor that is used for filtering and voltage stabilizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201369240U CN202513838U (en) | 2012-04-01 | 2012-04-01 | Low voltage power carrier communication power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201369240U CN202513838U (en) | 2012-04-01 | 2012-04-01 | Low voltage power carrier communication power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202513838U true CN202513838U (en) | 2012-10-31 |
Family
ID=47066293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201369240U Expired - Fee Related CN202513838U (en) | 2012-04-01 | 2012-04-01 | Low voltage power carrier communication power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202513838U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560683A (en) * | 2013-09-11 | 2014-02-05 | 昆山新金福精密电子有限公司 | Voltage-stabilizing power supply |
| CN106208767A (en) * | 2016-08-19 | 2016-12-07 | 天津市百利电气有限公司 | A kind of power supply of low pressure controller dynamic stability |
| CN106787202A (en) * | 2016-12-30 | 2017-05-31 | 广西云农高科数字技术有限公司 | Carrier wave system and control method |
-
2012
- 2012-04-01 CN CN2012201369240U patent/CN202513838U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560683A (en) * | 2013-09-11 | 2014-02-05 | 昆山新金福精密电子有限公司 | Voltage-stabilizing power supply |
| CN106208767A (en) * | 2016-08-19 | 2016-12-07 | 天津市百利电气有限公司 | A kind of power supply of low pressure controller dynamic stability |
| CN106787202A (en) * | 2016-12-30 | 2017-05-31 | 广西云农高科数字技术有限公司 | Carrier wave system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Low voltage power carrier communication power supply Effective date of registration: 20160720 Granted publication date: 20121031 Pledgee: Deyang City Rural Credit Cooperatives Pledgor: Deyang Collective River Science & Technology Co., Ltd. Registration number: 2016510000032 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20180401 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |