CN206004525U - A kind of ETC master control borad power supply anti-clutter circuit - Google Patents
A kind of ETC master control borad power supply anti-clutter circuit Download PDFInfo
- Publication number
- CN206004525U CN206004525U CN201620835831.5U CN201620835831U CN206004525U CN 206004525 U CN206004525 U CN 206004525U CN 201620835831 U CN201620835831 U CN 201620835831U CN 206004525 U CN206004525 U CN 206004525U
- Authority
- CN
- China
- Prior art keywords
- electric capacity
- feet
- power supply
- ams1117
- common port
- 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
Links
Landscapes
- Direct Current Feeding And Distribution (AREA)
- Control Of Voltage And Current In General (AREA)
Abstract
This utility model is related to master control borad field of power supplies, it is specially a kind of ETC master control borad power supply anti-clutter circuit, including power supply power supply interface, power output interface, four road input interfaces, four road output interfaces, communication interface and single-chip microcomputer, described power supply power supply interface is electrically connected with relay J2, and the 2 foot series diode D1 and electric fuse F1 of relay J2 are simultaneously connected with 1 foot of LM2596.By adding LM2596 and AMS1117 3.3, the now plant-grid connection power supply power supply interface for 12V by input voltage, when the voltage of 12V flows in LM2596, the voltage of 12V can be reduced to the voltage of 5V, and the voltage of 5V can flow in AMS1117 3.3 thereafter, after supply voltage flows out from AMS1117 3.3, its magnitude of voltage can be reduced to 3.3V, supply voltage so can be made, and voltage stabilizing is powered to single-chip microcomputer at twice, and single-chip microcomputer supply voltage can be made more stable, more difficult is interfered.
Description
Technical field
This utility model is related to master control borad field of power supplies, specially a kind of ETC master control borad power supply anti-clutter circuit.
Background technology
ETC master control borad is applied in parking management system, and the single-chip microcomputer in ETC master control borad is even more the core of ETC master control borad
Center portion part, but when the voltage instability timing powered to single-chip microcomputer, single-chip microcomputer is highly susceptible to disturb, and in ETC master control borad,
Give single-chip microcomputer again, when four road output interfaces, four road input interfaces, RS485 and RS232 communication power supply, these components and parts can phase
Mutually affect, so that the service behaviour of ETC master control borad is reduced.
Utility model content
The purpose of this utility model is to provide a kind of ETC master control borad power supply anti-clutter circuit, to solve above-mentioned background skill
The problem proposing in art.
For achieving the above object, this utility model provides following technical scheme：
A kind of ETC master control borad power supply anti-clutter circuit, connects including power supply power supply interface, power output interface, four tunnel inputs
Mouth, four road output interfaces, communication interface and single-chip microcomputer, described power supply power supply interface is electrically connected with relay J2, relay J2
2 foot series diode D1 and electric fuse F1 and be connected with 1 foot of LM2596,2 feet of described relay J2 and diode D1's
Common port is connected with diode TVS, resistance R1, electric capacity C1 and electric capacity C2, wherein electric capacity C1 and electric capacity C2 and is serially connected, and described two
Pole pipe D1 is connected diode D2 with the common port of electric fuse F1, and the common port of 1 foot of described electric fuse F1 and LM2596 is connected with
Electric capacity C3 and electric capacity C7, electric capacity C3 and electric capacity C7 are serially connected, the 2 foot series reactor L1 of described LM2596, electric capacity C4, inductance
Device L2 and electric capacity C10 constitutes loop, and the common port of electric capacity C4 and inducer L2 is connected with electric capacity C8, inducer L2 and electric capacity C10
Common port be connected with electric capacity C5, electric capacity C6 and electric capacity C9；
The common port of described electric capacity C6 and electric capacity C9 is connected with 3 feet of AMS1117-3.3 and 1 foot of IB0505LS respectively,
And 3 feet of AMS1117-3.3 and electric capacity C20 and electric capacity C16 loop in series, 2 foot series resistances R9 of AMS1117-3.3 and
2 feet of diode D4, AMS1117-3.3 are in parallel with resistance R9 and single-chip microcomputer, and resistance R9 is connected with diode D4；
2 feet of described IB0505LS constitute loop, the 6 foot series electrical of IB0505LS with 1 foot of electric capacity C22 and IB0505LS
Resistance R14 and diode D6,4 feet of described IB0505LS are connected with earth terminal, and 6 feet of 4 feet of IB0505LS and IB0505LS
Between be connected with electric capacity C23,6 feet of IB0505LS and the common port of resistance R14 respectively with four road output interfaces and communication interface
Connect；
Described four road input interfaces are connected with 3 feet of AMS1117-5.0, and 3 foot series capacitances C28 of AMS1117-5.0
Constitute loop with electric capacity C29,2 feet of AMS1117-5.0 are in parallel with resistance R15 and four road output interfaces, and resistance R15 and two poles
Pipe D7 connects.
Preferably, the common port of 1 foot of described electric fuse F1 and LM2596 is connected with relay J3, relay J3 and power supply
Output interface is electrically connected with.
Preferably, 2 feet of described AMS1117-3.3 and the common port of single-chip microcomputer are connected with electric capacity C17, electric capacity C18, electric capacity
C19 and electric capacity C21, wherein electric capacity C18, electric capacity C19 and electric capacity C21 are serially connected.
Preferably, 2 feet of described AMS1117-5.0 and the common port of direct current output port are connected with electric capacity C30, electric capacity
C31, electric capacity C32 and electric capacity C33, wherein electric capacity C31, electric capacity C32 and electric capacity C33 are serially connected.
Preferably, 4 feet of described LM2596 are connected to the common port of inducer L1 and electric capacity C4,6 feet of LM2596 with
5 feet of LM2596 connect, the 3 feet equal series diode D3 of 5 feet of LM2596 and LM2596, and be connected to 2 feet of LM2596 with
The common port of inducer L1.
Preferably, described communication interface is respectively RS232 communication interface and RS485 communication interface.
Compared with prior art, the beneficial effects of the utility model are：This ETC master control borad power supply anti-clutter circuit structure letter
Single, by adding LM2596 and AMS1117-3.3, now the plant-grid connection power supply power supply interface for 12V by input voltage, works as 12V
Voltage flow into LM2596 in when, the voltage of 12V can be reduced to the voltage of 5V, and the voltage of 5V can flow into AMS1117-3.3 thereafter
In, after supply voltage flows out from AMS1117-3.3, its magnitude of voltage can be reduced to 3.3V, so can make supply voltage at twice
Voltage stabilizing is powered to single-chip microcomputer, and single-chip microcomputer supply voltage can be made more stable, more difficult is interfered；By adding AMS1117-
5.0, when the 12V voltage of four road output interfaces flows in AMS1117-5.0, the voltage of 12V can be reduced to the stable electricity of 5V
Pressure, Hui Shi tetra- tunnel output supply voltage is more stable；By adding IB0505LS-1W, the 5V voltage that LM2596 can be flowed out, warp
After IB0505LS isolation, four road input interfaces, RS485 communication interface and RS232 communication interface can be respectively and power, but also meeting
Make the voltage stabilization of four road input interfaces, RS485 communication interface and RS232 communication interface.This utility model, because single-chip microcomputer supplies
Electricity part, four tunnel output power packs, four tunnel input power packs and the voltage stabilizing isolation respectively of communication power pack, each portion making
Between part, voltage is more stable, reduces influencing each other between all parts, so that the capacity of resisting disturbance of ETC master control borad higher more can
Adapt to complicated electromagnetic environment.
Brief description
Fig. 1 is ETC master control plate structure schematic diagram；
Fig. 2 is single-chip microcomputer power pack first time mu balanced circuit partial schematic diagram；
Fig. 3 is single-chip microcomputer power pack first time mu balanced circuit another part schematic diagram；
Fig. 4 is second mu balanced circuit schematic diagram of single-chip microcomputer power pack；
Tu5Wei tetra- tunnel exports power pack circuit diagram；
The input of Tu6Wei tetra- tunnel and communication interface power pack circuit diagram.
In figure：Power supply power supply interface 1, power output interface 2, four road input interfaces 3, RS232 communication interface 4, RS485 lead to
Communication interface 5, communication interface 6, four road output interfaces 7, single-chip microcomputer 8.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1-6, this utility model provides a kind of technical scheme：
A kind of ETC master control borad power supply anti-clutter circuit, including power supply power supply interface 1, power output interface 2, four tunnel inputs
Interface 3, four road output interfaces 7, communication interface 6 and single-chip microcomputer 8, communication interface is respectively RS232 communication interface 4 and RS485 leads to
Communication interface 5.
Power supply power supply interface 1 is electrically connected with relay J2, and the 2 foot series diode D1 and electric fuse F1 of relay J2 are simultaneously
It is connected with 1 foot of LM2596, the common port of 1 foot of electric fuse F1 and LM2596 is connected with relay J3, relay J3 and power supply
Output interface 2 is electrically connected with, and 4 feet of LM2596 are connected to the common port of inducer L1 and electric capacity C4,6 feet of LM2596 with
5 feet of LM2596 connect, the 3 feet equal series diode D3 of 5 feet of LM2596 and LM2596, and be connected to 2 feet of LM2596 with
The common port of inducer L1,2 feet of relay J2 and the common port of diode D1 are connected with diode TVS, resistance R1, electric capacity C1
It is serially connected with electric capacity C2, wherein electric capacity C1 and electric capacity C2, diode D1 is connected diode D2 with the common port of electric fuse F1, protect
The common port of 1 foot of dangerous silk F1 and LM2596 is connected with electric capacity C3 and electric capacity C7, and electric capacity C3 and electric capacity C7 are serially connected, LM2596
2 foot series reactor L1, electric capacity C4, inducer L2 and electric capacity C10 constitute loop, the common port of electric capacity C4 and inducer L2 is even
The common port being connected to electric capacity C8, inducer L2 and electric capacity C10 is connected with electric capacity C5, electric capacity C6 and electric capacity C9, electric capacity C6 and electric capacity
The common port of C9 is connected with 3 feet of AMS1117-3.3 and 1 foot of IB0505LS respectively, and 3 feet of AMS1117-3.3 and electric capacity
C20 and electric capacity C16 loop in series, 2 foot series resistances R9 of AMS1117-3.3 and diode D4, the 2 of AMS1117-3.3
Foot is in parallel with resistance R9 and single-chip microcomputer 8, and resistance R9 is connected with diode D4,2 feet of AMS1117-3.3 and the public affairs of single-chip microcomputer 8
End is connected with electric capacity C17, electric capacity C18, electric capacity C19 and electric capacity C21 altogether, and wherein electric capacity C18, electric capacity C19 and electric capacity C21 mutually go here and there
Connection, by adding LM2596 and AMS1117-3.3, now the plant-grid connection power supply power supply interface 1 for 12V by input voltage, works as 12V
Voltage flow into LM2596 in when, the voltage of 12V can be reduced to the voltage of 5V, and the voltage of 5V can flow into AMS1117-3.3 thereafter
In, after supply voltage flows out from AMS1117-3.3, its magnitude of voltage can be reduced to 3.3V, so can make supply voltage at twice
Voltage stabilizing is powered to single-chip microcomputer 8, and single-chip microcomputer 8 supply voltage can be made more stable, more difficult is interfered.
2 feet of IB0505LS constitute loop, the 6 foot series resistances of IB0505LS with 1 foot of electric capacity C22 and IB0505LS
4 feet of R14 and diode D6, IB0505LS are connected with earth terminal, and connect between 4 feet of IB0505LS and 6 feet of IB0505LS
It is connected to electric capacity C23,6 feet of IB0505LS are connected with four road output interfaces 7 and communication interface 6 respectively with the common port of resistance R14,
By adding IB0505LS-1W, after the 5V voltage that LM2596 flows out being isolated through IB0505LS, four tunnels inputs can be respectively and connect
Mouthfuls 3, RS485 communication connects 5 mouthfuls and RS232 communication interface 4 is powered, but also Hui Shi tetra- road input interface 3, RS485 communication interface 5
Voltage stabilization with RS232 communication interface 4.
Four road input interfaces 3 are connected with 3 feet of AMS1117-5.0, and 3 foot series capacitances C28 of AMS1117-5.0 and electricity
Hold C29 and constitute loop, 2 feet of AMS1117-5.0 are in parallel with resistance R15 and four road output interfaces, and resistance R15 and diode D7
Series connection, 2 feet of AMS1117-5.0 and the common port of direct current output port are connected with electric capacity C30, electric capacity C31, electric capacity C32 and electricity
Hold C33, wherein electric capacity C31, electric capacity C32 and electric capacity C33 are serially connected, by adding AMS1117-5.0, in four road output interfaces
When 3 12V voltage flows in AMS1117-5.0, the voltage of 12V can be reduced to the burning voltage of 5V, the output of Hui Shi tetra- tunnel supplies
Piezoelectric voltage is more stable.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with multiple changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of ETC master control borad power supply anti-clutter circuit, defeated including power supply power supply interface (1), power output interface (2), four roads
Incoming interface (3), four road output interfaces (7), communication interface (6) and single-chip microcomputer (8) it is characterised in that：Described power supply power supply interface
(1) it is electrically connected with relay J2, the 2 foot series diode D1 and electric fuse F1 of relay J2 are simultaneously connected with 1 foot of LM2596,
2 feet of described relay J2 and the common port of diode D1 are connected with diode TVS, resistance R1, electric capacity C1 and electric capacity C2, wherein
Electric capacity C1 and electric capacity C2 is serially connected, and described diode D1 is connected diode D2, described electric fuse with the common port of electric fuse F1
The common port of 1 foot of F1 and LM2596 is connected with electric capacity C3 and electric capacity C7, and electric capacity C3 and electric capacity C7 are serially connected, described LM2596
2 foot series reactor L1, electric capacity C4, inducer L2 and electric capacity C10 constitute loop, the common port of electric capacity C4 and inducer L2 is even
The common port being connected to electric capacity C8, inducer L2 and electric capacity C10 is connected with electric capacity C5, electric capacity C6 and electric capacity C9；
The common port of described electric capacity C6 and electric capacity C9 is connected with 3 feet of AMS1117-3.3 and 1 foot of IB0505LS respectively, and
3 feet of AMS1117-3.3 and electric capacity C20 and electric capacity C16 loop in series, 2 foot series resistances R9 of AMS1117-3.3 and two
Pole pipe D4,2 feet of AMS1117-3.3 are in parallel with resistance R9 and single-chip microcomputer (8), and resistance R9 is connected with diode D4；
2 feet of described IB0505LS constitute loop, the 6 foot series resistances of IB0505LS with 1 foot of electric capacity C22 and IB0505LS
4 feet of R14 and diode D6, described IB0505LS are connected with earth terminal, and 6 feet of 4 feet of IB0505LS and IB0505LS it
Between be connected with electric capacity C23,6 feet of IB0505LS and the common port of resistance R14 respectively with four road output interfaces (7) and communication interface
(6) connect；
Described four road input interfaces (3) are connected with 3 feet of AMS1117-5.0, and 3 foot series capacitances C28 of AMS1117-5.0 and
Electric capacity C29 constitutes loop, and 2 feet of AMS1117-5.0 are in parallel with resistance R15 and four road output interfaces, and resistance R15 and diode
D7 connects.
2. a kind of ETC master control borad power supply anti-clutter circuit according to claim 1 it is characterised in that：Described electric fuse F1
It is connected with relay J3 with the common port of 1 foot of LM2596, relay J3 is electrically connected with power output interface (2).
3. a kind of ETC master control borad power supply anti-clutter circuit according to claim 1 it is characterised in that：Described AMS1117-
3.3 2 feet and the common port of single-chip microcomputer 8 are connected with electric capacity C17, electric capacity C18, electric capacity C19 and electric capacity C21, wherein electric capacity C18,
Electric capacity C19 and electric capacity C21 is serially connected.
4. a kind of ETC master control borad power supply anti-clutter circuit according to claim 1 it is characterised in that：Described AMS1117-
5.0 2 feet and the common port of direct current output port are connected with electric capacity C30, electric capacity C31, electric capacity C32 and electric capacity C33, wherein electric capacity
C31, electric capacity C32 and electric capacity C33 are serially connected.
5. a kind of ETC master control borad power supply anti-clutter circuit according to claim 1 it is characterised in that：The 4 of described LM2596
Foot is connected to the common port of inducer L1 and electric capacity C4, and 6 feet of LM2596 are connected with 5 feet of LM2596,5 feet of LM2596 and
The 3 feet equal series diode D3 of LM2596, and it is connected to 2 feet of LM2596 and the common port of inducer L1.
6. a kind of ETC master control borad power supply anti-clutter circuit according to claim 1 it is characterised in that：Described communication interface
It is respectively RS232 communication interface (4) and RS485 communication interface (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620835831.5U CN206004525U (en) | 2016-08-03 | 2016-08-03 | A kind of ETC master control borad power supply anti-clutter circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620835831.5U CN206004525U (en) | 2016-08-03 | 2016-08-03 | A kind of ETC master control borad power supply anti-clutter circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206004525U true CN206004525U (en) | 2017-03-08 |
Family
ID=58199715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620835831.5U Expired - Fee Related CN206004525U (en) | 2016-08-03 | 2016-08-03 | A kind of ETC master control borad power supply anti-clutter circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206004525U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106059285A (en) * | 2016-08-03 | 2016-10-26 | 宝晟科技（北京）有限公司 | Anti-interference circuit of power supply of ETC main control board |
-
2016
- 2016-08-03 CN CN201620835831.5U patent/CN206004525U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106059285A (en) * | 2016-08-03 | 2016-10-26 | 宝晟科技（北京）有限公司 | Anti-interference circuit of power supply of ETC main control board |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205283193U (en) | Battery management system's timing activation circuit | |
| CN206004525U (en) | A kind of ETC master control borad power supply anti-clutter circuit | |
| CN202616758U (en) | Over-voltage protective equipment of current mutual inductor | |
| CN201716720U (en) | Singlechip communication circuit and singlechip system | |
| CN203690966U (en) | Super portable power bank | |
| CN206878500U (en) | A kind of quick charger | |
| CN101826069B (en) | Communication circuit and method of singlechip | |
| CN106059285A (en) | Anti-interference circuit of power supply of ETC main control board | |
| CN205404694U (en) | Quick charger test system | |
| CN204423098U (en) | A kind of intelligent home control system based on speech recognition technology | |
| CN203950192U (en) | Based on the intelligent home control system of speech recognition technology | |
| CN204651991U (en) | A kind of anti-deadlock duplicate supply controller for solar | |
| CN207603297U (en) | Dual power supply anti-power failure industrial personal computer | |
| CN102231573A (en) | Energy supply power source suitable for small current online power acquisition | |
| CN203251084U (en) | Bi-directional current limiter based on bi-directional BUCK converter | |
| CN207399164U (en) | Automobile-used automatically controlled system wake-up circuit | |
| CN206195444U (en) | 12v elevator emergency power source | |
| CN206099756U (en) | Inside low -cost singlechip supply circuit of BMS | |
| CN203933383U (en) | A kind of PFC control circuit | |
| CN203326876U (en) | Voltage conversion circuit with starting display for electric vehicle | |
| CN202906515U (en) | Battery charging control circuit | |
| CN103208799B (en) | Intelligence load balancing system | |
| CN207889706U (en) | Power supply output board card | |
| CN206894493U (en) | A kind of power supply management system | |
| CN201878160U (en) | Half-duplex three-wire system communication circuit |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20190803 |