CN208477720U - A kind of concentrator - Google Patents
A kind of concentrator Download PDFInfo
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- CN208477720U CN208477720U CN201821076636.4U CN201821076636U CN208477720U CN 208477720 U CN208477720 U CN 208477720U CN 201821076636 U CN201821076636 U CN 201821076636U CN 208477720 U CN208477720 U CN 208477720U
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Abstract
The utility model discloses a kind of concentrators, it includes multichannel ammeter input terminal, control module, real-time clock module, power module and communication module, modules are attached with control module respectively, it is that there are two input terminals for tool by power module design, and the voltage of power module input carries out supply concentrator work after transformation conversion, it is low to solve concentrator power supply reliability in the prior art, safety is low and the technical issues of can not working in harsh environment, it is strong to provide a kind of power supply reliability, concentrator that is highly-safe and can work normally in harsh environment.
Description
Technical field
The utility model relates to electric power remote meter reading technical fields, and in particular to a kind of concentrator.
Background technique
With the development of electronic technology and economic construction, the application of field of power system automation equipment is also increasingly wider
The problems such as general, requirement of the people to automation equipment is also higher and higher, the stability of equipment, reliability, safety generally by
Concern.
That there are power supply reliabilities is low, safety is low and the nothing in harsh environment for the concentrator in electric power remote meter reading at present
The technical issues of method works.
Utility model content
The purpose of the utility model is to provide a kind of concentrators, it is intended to solve to exist in concentrator at least to some extent
Power supply reliability is low, safety is low and one of the technical issues of can not working in harsh environment.
The technical scheme adopted by the utility model is a kind of concentrator, including multichannel ammeter input terminal, control module,
Real-time clock module, power module and communication module；Multichannel ammeter input terminal, real-time clock module, power module, communication module
It is connected respectively with control module；Power module include the first power input, second source input terminal, voltage conversion chip and
Power output end, the first power input, second source input terminal are respectively used to access the external power supply of identical voltage, the first electricity
Source input terminal, second source input terminal access the input terminal of voltage conversion chip, the output end and power supply of voltage conversion chip
Output end is connected.
Further, power module further include fuse, the first diac, the second diac,
First capacitor, the second capacitor, third capacitor, the 4th capacitor, the 5th capacitor and first diode；First power input and first
One end of bilateral diode, one end of first capacitor, one end of the second capacitor, fuse one end be connected；Second source is defeated
Enter end to be connected with the input terminal of the other end of fuse, one end of third capacitor, the cathode of first diode, voltage conversion chip
It connects；Voltage converts output end and the anode of first diode, one end of the 4th capacitor, one end of the 5th capacitor, second of chip
One end of diac and power output end are connected；The other end of first diac and first capacitor
The other end, the other end of the second capacitor, the other end of third capacitor, the ground terminal of voltage conversion chip, the 4th capacitor it is another
End, the other end of the 5th capacitor, the second diac the other end be connected after altogether.
Further, real-time clock module includes: clock chip, battery supply, Real Time Clock battery power supply, real-time clock
Power supply, system power supply, the second diode, third diode, third diac, the 6th capacitor, the 7th capacitor, first
Resistance, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, a data signal input, a clock control
Signal input part, a clock signal output terminal；Anode, the second diode of the anode and Real Time Clock battery power supply of battery supply
Anode be connected；The cathode and the input terminal of real-time clock power supply, one end of the 6th capacitor, third diode of second diode
Cathode and first resistor one end connection after incoming clock chip；The anode and the input terminal phase of system power supply of third diode
Connection；The cathode of battery supply be connected with the ground terminal of the other end of the 6th capacitor, clock chip after altogether；First resistor
The other end is connected with clock chip；Data signal input is connected with one end of one end of second resistance, 3rd resistor, the
The other end of two resistance is connected with clock chip；The other end of 3rd resistor and the input terminal of the system power supply, the 4th electricity
One end of resistance, the 7th capacitor one end be connected；The other end of 4th resistance and clock control signal input terminal, the 5th resistance
One end is connected, and the other end of the 5th resistance is connected with clock chip；The other end of 7th capacitor is grounded；Clock signal output
End be connected with one end of the 6th resistance, one end of third diac, clock chip, the other end of the 6th resistance and
System power supply is connected, the other end ground connection of third diac.
Further, clock chip is the RX-8025T chip of EPSON.
Further, concentrator further includes photoelectric coupled circuit, and multichannel ammeter input terminal is connected by optocoupler with control module.
Further, concentrator further includes keyboard input module, and keyboard input module is connected with control module.
Further, concentrator further includes display module, and display module is connected with control module.
Further, concentrator further includes maintenance interface module, and maintenance interface module is connected with control module.
The beneficial effects of the utility model are: a kind of concentrator in the utility model, by being tool by power module design
There are two input terminals, and supply concentrator work after the voltage of power module input is carried out transformation conversion, solve existing skill
Concentrator power supply reliability is low in art, safety is low and the technical issues of can not working in harsh environment, provides a kind of electricity
Source is highly reliable, the highly-safe and concentrator that can work normally in harsh environment.
In addition, a kind of concentrator in the utility model, by providing a kind of precision height, wide scope operating temperature, time are missed
The small real time clock circuit of difference improves the measuring accuracy of concentrator.
Detailed description of the invention
Specific embodiment of the present utility model is described further with reference to the accompanying drawing:
Fig. 1 is an a kind of specific embodiment structural block diagram of concentrator of the utility model.
Fig. 2 is a specific embodiment circuit diagram of power module in a kind of concentrator of the utility model.
Fig. 3 is a specific embodiment circuit diagram of real-time clock module in a kind of concentrator of the utility model.
Wherein DT1 is the first diac, and DT2 is the second diac, and DT3 is the two-way breakdown of third
Diode, C1 are first capacitor, and C2 is the second capacitor, and C3 is third capacitor, and C4 is the 4th capacitor, and C5 is the 5th capacitor, and C6 is
6th capacitor, C7 are the 7th capacitor, and V12_1 is the first power input, and V12_2 is second source input terminal, and D1 is the one or two
Pole pipe, D2 are that the second diode D3 is third diode, and Vout is power output end, and VBAT is battery supply, and VBAT_RTC is
Real Time Clock battery power supply, RTC_POW are real-time clock power supply, and V3P3 is system power supply, and U1 is clock chip, and R1 is the first electricity
Resistance, R2 are second resistance, and R3 is 3rd resistor, and R4 is the 4th resistance, and R5 is the 5th resistance, and R6 is the 6th resistance, and TWD is data
Signal input part, TWCK are clock control signal input terminal, BSECOND clock signal output terminal.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
As shown in Figure 1, a kind of concentrator comprising ATMEL SAM9X25 chip, multichannel ammeter input terminal, optical coupling module,
Communication module, display module, real-time clock module, two-way 12V isolation double switch power module, maintenance interface module and key are defeated
Enter module, modules are connected with ATMEL SAM9X25 chip；Wherein, multichannel ammeter input terminal includes three tunnels input letter
Number, it is respectively as follows: (RS485-1A, RS485-1B), (RS485-2A, RS485-2B), (RS485-3A, RS485-3B), Multi-path electricity
After table input terminal is connect with optical coupling module, optical coupling module integrates the input signal of multichannel ammeter input terminal, passes through serial interface
1,2,3 are connected with ATMEL SAM9X25 chip, communication module include GPRS communication module, ethernet module and carrier wave it is wireless
Communication interface, GPRS module are connected by serial ports 0 with ATMEL SAM9X25 chip, carrier wave wireless communication interface pass through serial ports
4 are connected with ATMEL SAM9X25 chip, and ethernet module is connected by ethernet controller with ATMEL SAM9X25 chip
Connect, maintenance interface module includes RS232 maintenance mouth and infrared communication mouth, both after switching circuit with ATMEL
SAM9X25 chip is connected, and real-time clock module is connected by IIC mouthfuls with ATMELSAM9X25 chip, keyboard input module
Include: programming key, upturning key, downturning key, move to left key, move to right key, acknowledgement key and ESC Escape, each key respectively with ATMEL
SAM9X25 chip is connected.Wherein, optocoupler has the function of that signal isolation protects circuit, and display apparatus module is LCD display,
For showing the working condition of concentrator, user's interaction is may be implemented in each key of keyboard input module, can be to concentrator
Working condition, parameter modify or safeguard that data information and control of the communication module for concentrator and remote server refer to
The interaction of order, maintenance interface module carries out failure maintenance to concentrator for external equipment or program upgrades.
Referring to Fig. 2, power module is that two-way 12V isolation double switch power specifically includes: power module includes voltage conversion
Chip T, the first power input V12_1, second source input terminal V12_2, power output end Vout, fuse S1, first couple
To breakdown diode DT1, the second diac DT2, first capacitor C1, the second capacitor C2, third capacitor C3, the 4th electricity
Hold C4, the 5th capacitor C5 and first diode D1；Wherein, the first power input V12_1 and the first bilateral diode DT1
One end, one end of first capacitor C1, one end of the second capacitor C2, fuse S1 one end be connected；The second source input
Hold V12_2 and the other end of fuse S1, one end of third capacitor C3, the cathode of first diode D1, voltage conversion chip T
Input terminal is connected；The anode of the output end of voltage conversion chip T and first diode D1, the 4th capacitor C4 one end,
One end of 5th capacitor C5, one end of the second diac DT2, power output end Vout are connected；Described first pair
To the other end and the other end of first capacitor C1 of breakdown diode DT1, the other end of the second capacitor C2, third capacitor C3 it is another
One end, the ground terminal of voltage conversion chip T, the other end of the 4th capacitor C4, the other end of the 5th capacitor C5, the second two-way breakdown
The other end of diode DT2 be connected after altogether.
In the present embodiment, the first power input V12_1, second source input terminal V12_2 access external 12V DC
Electricity is exported after the 12V DC electricity of input is converted into 5V direct current by voltage conversion chip T by power output end Vout, wherein
Voltage conversion chip T is 78L05ST model chip, which stablizes with performance, the high feature of cost performance, and first capacitor C1 is
The anode of polar capacitor, first capacitor C1 is connect with the first power input V12_1, the first diac DT1 and the
Two diac DT2 have the function of overvoltage protection, when the voltage of input or output is excessive, the first two-way breakdown two
Ground connection, plays the role of overvoltage protection after pole pipe DT1 or the second diac DT2 is breakdown；Fuse S1 has
The effect of overcurrent protection, when the electric current of input is excessive, overcurrent protection is played the role of in blown fuse.
Referring to Fig. 3, real-time clock module is specifically included: clock chip U1, battery supply VBAT, Real Time Clock battery power supply
VBAT_RTC, real-time clock power supply RTC_POW, system power supply V3P3, the second diode D2, third diode D3, third are two-way
Breakdown diode DT3, the 6th capacitor C6, the 7th capacitor C7, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance
R4, the 5th resistance R5, the 6th resistance R6, a data signal input TWD, a clock control signal input part TWCK, a clock
Signal output end BSECOND；The anode of battery supply VBAT and anode, the two or two pole of Real Time Clock battery power supply VBAT_RTC
The anode of pipe D2 is connected；The input terminal of the cathode of second diode D2 and real-time clock power supply RTC_POW, the 6th capacitor C6
One end, the cathode of third diode D3, first resistor R1 one end connection after incoming clock chip U1；Third diode D3 is just
Pole is connected with the input terminal of system power supply V3P3；The other end of the cathode of battery supply VBAT and the 6th capacitor C6, clock core
The ground terminal of piece U1 be connected after altogether；The other end of first resistor R1 is connected with clock chip U1；Data signal input
TWD is connected with one end of one end of second resistance R2,3rd resistor R3, the other end and the clock chip U1 phase of second resistance R2
Connection；The input terminal of the other end of 3rd resistor R3 and the system power supply V3P3, one end of the 4th resistance R4 and the 7th capacitor
One end of C7 is connected；One end phase of the other end of 4th resistance R4 and clock control signal input terminal TWCK, the 5th resistance R5
Connection, the other end of the 5th resistance R5 are connected with clock chip U1；The other end of 7th capacitor C7 is grounded；The clock signal
Output end BSECOND is connected with one end of the 6th resistance R6, one end of third diac DT3, clock chip U1,
The other end of 6th resistance R6 is connected with system power supply V3P3, the other end ground connection of third diac DT3.Its
In, clock chip U1 is the RX-8025T chip of EPSON, the real time clock circuit have precision it is high, can be at -40 DEG C -70 DEG C
Wide temperature range work, and its time error only has the advantages of 0.5s/24h.
A kind of concentrator in the utility model, by being tool there are two input terminal by power module design, and by power supply mould
Block input voltage carry out transformation conversion after supply concentrator work, solve concentrator power supply reliability in the prior art it is low,
Safety is low and the technical issues of can not working in harsh environment, provide a kind of power supply reliability it is strong, it is highly-safe and
The concentrator that can work normally in harsh environment.
In addition, a kind of concentrator in the utility model, by providing a kind of precision height, wide scope operating temperature, time are missed
The small real time clock circuit of difference improves the measuring accuracy of concentrator.
It is to be illustrated to the preferable implementation of the utility model, but the invention is not limited to the reality above
Example is applied, those skilled in the art can also make various equivalent variations without departing from the spirit of the present invention
Or replacement, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (9)
1. a kind of concentrator, which is characterized in that including multichannel ammeter input terminal, control module, real-time clock module, power module
And communication module；The multichannel ammeter input terminal, real-time clock module, power module, communication module respectively with the control mould
Block is connected；
The power module includes the first power input, second source input terminal, voltage conversion chip and power output end, institute
State the first power input, second source input terminal is respectively used to access the external power supply of identical voltage, first power supply is defeated
Enter the input terminal that end, second source input terminal access voltage conversion chip, the output end and power supply of the voltage conversion chip
Output end is connected.
2. concentrator according to claim 1, which is characterized in that the power module further includes fuse, first two-way
Breakdown diode, the second diac, first capacitor, the second capacitor, third capacitor, the 4th capacitor, the 5th capacitor and
First diode；One end of first power input and the first bilateral diode, one end of first capacitor, the second capacitor
One end, fuse one end be connected；The other end of the second source input terminal and fuse, one end of third capacitor,
The cathode of one diode, the input terminal of voltage conversion chip are connected；The output end of the voltage conversion chip and the one or two pole
The anode of pipe, one end of the 4th capacitor, one end of the 5th capacitor, one end of the second diac, power output end phase
Connection；The other end and the other end of first capacitor, the other end of the second capacitor, the third electricity of first diac
The other end of appearance, the ground terminal of voltage conversion chip, the other end of the 4th capacitor, the other end of the 5th capacitor, second two-way hit
Wear diode the other end be connected after altogether.
3. concentrator according to claim 2, which is characterized in that the first capacitor is polar capacitor, the polarity electricity
The anode of appearance is connected with the first power input.
4. concentrator according to claim 1, which is characterized in that the real-time clock module includes: clock chip, battery
Power supply, Real Time Clock battery power supply, real-time clock power supply, system power supply, the second diode, third diode, third is two-way hits
Wear diode, the 6th capacitor, the 7th capacitor, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th
Resistance, a data signal input, a clock control signal input part, a clock signal output terminal；The battery supply is just
Pole is connected with the anode of the anode of Real Time Clock battery power supply, the second diode；The cathode of second diode and in real time
The input terminal of clock power, one end of the 6th capacitor, the cathode of third diode, first resistor one end connection after incoming clock
Chip；The anode of the third diode is connected with the input terminal of system power supply；The cathode of the battery supply and the 6th electricity
The other end of appearance, the ground terminal of clock chip be connected after altogether；The other end of the first resistor is connected with clock chip；
The data signal input is connected with one end of one end of second resistance, 3rd resistor, the other end of the second resistance
It is connected with clock chip；The input terminal of the other end of the 3rd resistor and the system power supply, one end of the 4th resistance, the
One end of seven capacitors is connected；The one of the other end of 4th resistance and the clock control signal input terminal, the 5th resistance
End is connected, and the other end of the 5th resistance is connected with clock chip；The other end of 7th capacitor is grounded；When described
Clock signal output end is connected with one end of the 6th resistance, one end of third diac, clock chip, and the described 6th
The other end of resistance is connected with system power supply, the other end ground connection of the third diac.
5. concentrator according to claim 4, which is characterized in that the clock chip is the RX-8025T chip of EPSON.
6. concentrator according to any one of claims 1 to 5, which is characterized in that the concentrator further includes photoelectric coupled circuit,
The multichannel ammeter input terminal is connected by optocoupler with control module.
7. concentrator according to claim 6, which is characterized in that the concentrator further includes display module；The display
Module is connected with control module.
8. concentrator according to claim 7, which is characterized in that the concentrator further includes keyboard input module；It is described
Keyboard input module is connected with control module.
9. concentrator according to claim 8, which is characterized in that the concentrator further includes maintenance interface module；It is described
Maintenance interface module is connected with control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821076636.4U CN208477720U (en) | 2018-07-05 | 2018-07-05 | A kind of concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821076636.4U CN208477720U (en) | 2018-07-05 | 2018-07-05 | A kind of concentrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208477720U true CN208477720U (en) | 2019-02-05 |
Family
ID=65213582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821076636.4U Active CN208477720U (en) | 2018-07-05 | 2018-07-05 | A kind of concentrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208477720U (en) |
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2018
- 2018-07-05 CN CN201821076636.4U patent/CN208477720U/en active Active
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