CN206178004U - Single -phase state net remote intelligent table printed circuit board - Google Patents
Single -phase state net remote intelligent table printed circuit board Download PDFInfo
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- CN206178004U CN206178004U CN201621099684.6U CN201621099684U CN206178004U CN 206178004 U CN206178004 U CN 206178004U CN 201621099684 U CN201621099684 U CN 201621099684U CN 206178004 U CN206178004 U CN 206178004U
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Abstract
Single -phase state net remote intelligent table printed circuit board, it openly sets up the pad that the procedure was downloaded interface, display module, ESAM module, microcontroller, storage module, the module that resets, communication interface, carrier communication module, relay drive circuit, button module, sampling metering modules, power management module, LED pilot lamp and was connected with integration terminal row electricity, the back sets up battery, thermistor, piezo -resistor and power transformer, the first main terminal of integration terminal row and printed circuit board's AGND solder connection, second main terminal and iout solder connection, third main terminal and un solder connection, the fourth main terminal is the nout end, first supplementary terminal and PP solder connection, supplementary terminal of second and PN solder connection, supplementary terminal of third and S11 solder connection, supplementary terminal of fourth and S12 solder connection, the 5th supplementary terminal and 485A solder connection, the 6th supplementary terminal and 485B solder connection. The utility model discloses a production technology has been improved, the cost is reduced to the circuit board layout structure of innovation.
Description
Technical field
This utility model belongs to electronic circuit technology field, more particularly, it relates to a kind of with integrated terminal block
The structure of the printed circuit board (PCB) of intelligent electric meter.
Background technology
Since promulgating new intelligent electric energy meter standard from national grid in 2013, with the function to intelligent meter, technology and
The standards such as pattern specification are understood in depth, each ammeter producer to the selection in the function of ammeter, device, structure also increasingly into
It is ripe, it is almost transparent for the electronic devices and components cost and structural member cost of function.In order to further reduce intelligent electric meter into
This, can only pass through the structure design for improving PCB, and then the production technology of raising intelligent electric meter, improve production automation degree,
Realize reducing the cost of intelligent electric meter eventually through the production cost for reducing intelligent electric energy meter.Therefore, a kind of low cost is developed
And precision that do not affect electric energy meter, function and performance ammeter printed circuit board (PCB) it is particularly significant.
Utility model content
The purpose of this utility model is to provide a kind of accurate measurement that can reduce process costs, strong interference immunity, stablizes
The high single-phase state's net long-distance intelligent table printed circuit board (PCB) of property.
To achieve these goals, this utility model takes following technical solution：
A kind of single-phase state's net long-distance intelligent table printed circuit board (PCB), is provided with the positive top of printed circuit board (PCB) and is arranged side by side
Download program interface and display module, described program download interface and display module lower section be provided with the ESAM moulds being arranged side by side
Block, microcontroller and memory module, the ESAM modules lower section is provided with reseting module, and the memory module lower section is provided with logical
Communication interface, the reseting module lower section is provided with carrier communication module, and the microcontroller lower section is provided with relay driving electricity
Road, the communication interface lower section is provided with key-press module, and the carrier communication module lower section is provided with sampling metering module, described
Key-press module lower section is provided with power management module, and LED light is provided between relay drive circuit and microcontroller,
Printed circuit board (PCB) front bottom is provided with the pad with the electrical connection of integrated terminal block；In the upper left corner position of printed circuit back
Battery is installed, lower right position is provided with critesistor and varistor, and the critesistor is located at the varistor
Top, above the critesistor mains transformer is provided with；Be provided with the integrated terminal block 4 main terminals, 6
Auxiliary terminal and magnetic latching relay summation current transformer, the first main terminal and the printed circuit board (PCB) of integrated terminal block
AGND pads connect, and the second main terminal is connected with the Iout pads of printed circuit board (PCB), the Un of the 3rd main terminal and printed circuit board (PCB)
Pad connects, and the 4th main terminal is Nout ends, and the first auxiliary terminal is connected with the PP pads of printed circuit board (PCB), the second auxiliary terminal
Be connected with the PN pads of printed circuit board (PCB), the 3rd auxiliary terminal is connected with the S11 pads of printed circuit board (PCB), the 4th auxiliary terminal with
The S12 pads connection of printed circuit board (PCB), the 5th auxiliary terminal is connected with the 485A pads of printed circuit board (PCB), the 6th auxiliary terminal and
The 485B pads connection of printed circuit board (PCB), magnetic latching relay is electric with relay drive circuit and first, second main terminal respectively
Connection, current transformer is electrically connected respectively with the three, the 4th main terminals.
Further, SMD components may be contained within the front of printed circuit board (PCB).
Further, the components and parts for being arranged at printed circuit back are plug-in components.
Further, the main terminal and auxiliary terminal of the integrated terminal block is electric with printed circuit board (PCB) in the form of contact pin
Connection.
Further, described program download interface is arranged near the upper left corner of printed circuit board (PCB).
Further, one end of neutral line current sampling line electrically connects with the sampling metering module of printed circuit board (PCB), the other end
Electrically connect with current transformer；One end of live wire current sample line is connected with the Iin+ ports of printed circuit board (PCB) and Iin- ports,
The other end is electrically connected with magnetic latching relay.
Further, neutral line current sampling line be connected with the metering interface of printed circuit board (PCB) by contact pin, metering interface and
Sampling metering module electrical connection；The wicking end of live wire current sample line connects with the Iin+ ports of printed circuit board (PCB) and Iin- ports
Connect.
Further, the magnetic latching relay is connected by two contact pins with the RYA pads and RYB pads of printed circuit board (PCB)
Connect, RYA pads and RYB pads are electrically connected with the relay drive circuit on printed circuit board (PCB).
From above technical scheme, intelligent meter printed circuit board (PCB) of the present utility model is combined with integration terminal block and improves print
Printed circuit board is designed, and makes most of components and parts design in printed circuit board (PCB) front, especially whole surface-mounted devices, these components and parts
Production technology repair welding stage manual welding is not used in, and can be that directly on a production line wave-soldering is automatically performed, need welding
Components and parts only design battery, critesistor, varistor, mains transformer in printed circuit back, and these are simple
Single manual welding components and parts later stage can also use robot arm automatic welding, such that it is able to improve the production of ammeter printed circuit board (PCB)
Technique, improves automated production degree and production capacity, reduces production cost.And by integrated terminal block and printing
Circuit board is directly connected to, and can save terminal block main terminal and auxiliary terminal and be connected the artificial craft repair welding of needs with board lead
Operation, not only save the production cost and Material Cost of wire, at the same also make electric energy meter inside cabling it is attractive in appearance, reduce not
Good ratio defective product, metering more accurate, anti-interference is higher, stability is higher.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment, below will be to wanting needed for embodiment or description of the prior art
The accompanying drawing for using does simple introduction, it should be apparent that, drawings in the following description are only some embodiments of the present utility model,
For those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these accompanying drawings acquisitions
Other accompanying drawings.
Fig. 1 is the positive schematic layout pattern of this utility model embodiment circuit board；
Fig. 2 is the schematic layout pattern of this utility model embodiment back of circuit board.
Specific embodiment
As shown in figure 1, the intelligent meter printed circuit board (PCB) 1 of the present embodiment is electrically connected with integrated terminal block 2, in intelligent meter
The front of printed circuit board (PCB) 1 is provided with download program interface 10, display module 11, ESAM modules 12, microcontroller 13, storage mould
Block 14, communication interface 15, carrier communication module 16, relay drive circuit 17, key-press module 18, sampling metering module 19, electricity
Source control module 20, reseting module 21.Existing module (circuit), being electrically connected between module (circuit) are adopted with upper module (circuit)
The relation of connecing is also adopted by the conventional design of prior art, and those skilled in the art can be configured according to product standard handbook.
Wherein, download program interface 10 and display module 11 are located at the positive top of printed circuit board (PCB) 1, download program interface
10 and display module 11 be arranged side by side, and download program interface 10 near printed circuit board (PCB) 1 the upper left corner arrange.In download program
The lower section of interface 10 and display module 11 is provided with ESAM modules 12, microcontroller 13 and the memory module 14 being arranged side by side,
The lower section of ESAM modules 12 arranges reseting module 21, and the lower section of memory module 14 arranges communication interface 15, ESAM modules 12 and reset mould
Block 21 is located at the left side of microcontroller 13, and memory module 14 and communication interface 15 are located at the right side of microcontroller 13.In reset mould
The lower section of block 21 arranges carrier communication module 16, relay drive circuit 17 is arranged below microcontroller 13, in communication interface 15
Lower section arranges key-press module 18, and LED light 22, sampling meter are provided between relay drive circuit 17 and microcontroller 13
Amount module 19 is arranged at the lower section of carrier communication module 16, and power management module 20 is arranged at the lower section of key-press module 18.Printed circuit
The front bottom of plate 1 is provided with the multiple pads with the electrical connection of integrated terminal block 2.
The reseting module of the present embodiment adopts the low-power dissipation power supply monitoring data protective energy conservation chip of model DSW1721S,
Sampling metering module adopts the computation chip of model SWF2L23AR intelligent in model Zhuhai, microcontroller to adopt model
The single-chip microcomputer of R7F0C004, computation chip enters row data communication with the UART serial ports of microcontroller, and power management module adopts type
Number for LV2842X DC-DC switching power source chips, power management module and battery constitute electric power system, is that each module, circuit are supplied
Electricity, when supply line has a power failure, it is the moulds such as microcontroller, storage, clock and liquid crystal that power management module is switched to using battery
Block is powered；Display module adopts LCD display, and key-press module is paster button, and memory module adopts EEPROM storage chips, carries
Ripple communication module adopts non-polar 485 chip, and download program interface is 4PIN interface mouths, and ESAM modules are 16K bytes EEPROM,
Communication interface is the new state's net general modules of SPI.The built-in lcd drive chip of microcontroller, lcd drive chip and LCD, LED group
Into electric energy meter display unit, checklist delivery outlet, button, auxiliary terminal constitute the input-output system of electric energy meter.
4 main terminals and 6 auxiliary terminals, and magnetic latching relay 2-1 and electric current are provided with integrated terminal block 2
Transformer 2-2, the main terminal and auxiliary terminal of integrated terminal block 2 are electrically connected in the form of contact pin with printed circuit board (PCB) 1.Its
In, the first main terminal 2-3 of integrated terminal block 2 is Lin ends (live wire enters), the first main terminal 2-3 and printed circuit board (PCB) 1
AGND pads connect, and the second main terminal 2-4 is Lout ends (live wire goes out), and the second main terminal 2-4 is welded with the Iout of printed circuit board (PCB) 1
Disk connects, and the 3rd main terminal 2-5 is Nin ends (zero line enters), and the 3rd main terminal 2-5 is connected with the Un pads of printed circuit board (PCB) 1, the
Four main terminal 2-6 are Nout ends (zero line goes out).First auxiliary terminal 2-7 is connected with the PP pads of printed circuit board (PCB) 1, the second auxiliary
Terminal 2-8 is connected with the PN pads of printed circuit board (PCB) 1, and the 3rd auxiliary terminal 2-9 is connected with the S11 pads of printed circuit board (PCB) 1, the
Four auxiliary terminal 2-10 are connected with the S12 pads of printed circuit board (PCB) 1, and the 5th auxiliary terminal 2-11 is 485 connection A terminals, its
It is connected with the 485A pads of printed circuit board (PCB) 1, the 6th auxiliary terminal 2-12 is 485 connection B terminals, itself and printed circuit board (PCB) 1
485B pads connection.Two contact pins of magnetic latching relay 2-1 are connected with the RYA pads and RYB pads of printed circuit board (PCB) 1,
RYA pads and RYB pads are electrically connected with the relay drive circuit 17 on printed circuit board (PCB) 1, magnetic latching relay 2-1 simultaneously with
First main terminal 2-3 and the second main terminal 2-4 is electrically connected.One end of neutral line current sampling line L1 is by two contact pins and printed circuit
Plate metering interface RL2 connects, and the other end electrically connect (Fig. 2) with current transformer 2-2, metering interface RL2 and metering module of sampling
19 electrical connections.Current transformer 2-2 is electrically connected with the 3rd main terminal 2-5 and the 4th main terminal 2-6 simultaneously.Live wire current sample line
The wicking end of L2 is connected with the Iin+ ports of printed circuit board (PCB) and Iin- ports, and the other end is electrically connected with magnetic latching relay 2-1.
This utility model is by all SMD components in module (circuit), such as Chip-R, patch capacitor, the pole of paster three
Pipe, paster crystal oscillator, chip inductor, stamp-mounting-paper diode, paster rectifier bridge stack, paster optocoupler etc., and display module, carrier communication
The common plug-in components such as module, chip are all arranged at the front of printed circuit board (PCB), and only a few components and parts are arranged at print
The back side of printed circuit board.With reference to Fig. 2, the back side of printed circuit board (PCB) 1 is provided with mains transformer 23, battery 24, varistor
25th, critesistor 26, battery 24 is arranged at the upper left position at the back side of printed circuit board (PCB) 1, critesistor 26 and varistor 25
The lower right position at the back side of printed circuit board (PCB) 1 is arranged at, critesistor 26 is located at the top of varistor 25, mains transformer 23
Positioned at the top of critesistor.
Distribution of this utility model to components and parts in printed circuit board (PCB) both side surface is optimized design, by all pasters unit
Device and most plug-in components are arranged at the front of printed circuit board (PCB), and the positive surface-mounted device of printed circuit board (PCB) passes through
The disposable pasters of SMT are completed, and are once welded by wave-soldering after the completion of the artificial plug-in unit of plug-in unit device and are completed；Printed circuit board (PCB) reverse side
Several components and parts manually repair welding can complete, or completed with robot automatic welding, integrated terminal block main terminal and auxiliary
Terminal is all directly electrically connected in contact pin mode with printed circuit board (PCB) respective pad, and the technological process of production of printed circuit board (PCB) is become
For：SMT → overlay film → plug-in unit → rear weldering → plate level, simplifies the technological process of production, realizes the automated production of big degree, reduces
Intelligent electric energy meter production cost.
Above example only to illustrate the technical solution of the utility model rather than a limitation, although with reference to above-mentioned enforcement
Example has been described in detail to this utility model, it should be understood by a person of ordinary skill in the art that still can be to this reality
Modified with new specific embodiment or equivalent, and repaiied without departing from any of this utility model spirit and scope
Change or equivalent, it all should cover among right of the present utility model.
Claims (8)
1. a kind of single-phase state's net long-distance intelligent table printed circuit board (PCB), it is characterised in that：
The download program interface and display module being arranged side by side is provided with the positive top of printed circuit board (PCB), described program is downloaded
Interface and display module lower section are provided with ESAM modules, microcontroller and the memory module being arranged side by side, under the ESAM modules
Side is provided with reseting module, and the memory module lower section is provided with communication interface, and the reseting module lower section is provided with carrier wave and leads to
News module, the microcontroller lower section is provided with relay drive circuit, and the communication interface lower section is provided with key-press module, institute
State carrier communication module lower section and be provided with sampling metering module, the key-press module lower section is provided with power management module, relay
LED light is provided between device drive circuit and microcontroller, is provided with and integrated end in printed circuit board (PCB) front bottom
The pad of son row's electrical connection；
Battery is set in the upper left position of printed circuit back, lower right position is provided with critesistor and varistor,
The critesistor is located at the top of the varistor, and above the critesistor mains transformer is provided with；
4 main terminals, 6 auxiliary terminals and magnetic latching relay and Current Mutual Inductance are provided with the integrated terminal block
Device, the first main terminal of integrated terminal block is connected with the AGND pads of printed circuit board (PCB), the second main terminal and printed circuit board (PCB)
The connection of Iout pads, the 3rd main terminal be connected with the Un pads of printed circuit board (PCB), and the 4th main terminal is Nout ends, and first aids in
Terminal is connected with the PP pads of printed circuit board (PCB), and the second auxiliary terminal is connected with the PN pads of printed circuit board (PCB), the 3rd auxiliary end
Son is connected with the S11 pads of printed circuit board (PCB), and the 4th auxiliary terminal is connected with the S12 pads of printed circuit board (PCB), the 5th auxiliary end
Son is connected with the 485A pads of printed circuit board (PCB), and the 6th auxiliary terminal is connected with the 485B pads of printed circuit board (PCB)；Magnetic keep after
Electrical equipment is electrically connected respectively with relay drive circuit and first, second main terminal, current transformer respectively with the three, the 4th main sides
Son electrical connection.
2. single-phase state's net long-distance intelligent table printed circuit board (PCB) as claimed in claim 1, it is characterised in that：SMD components are all provided with
It is placed in the front of printed circuit board (PCB).
3. single-phase state's net long-distance intelligent table printed circuit board (PCB) as claimed in claim 1, it is characterised in that：It is arranged at printed circuit
The components and parts of back are plug-in components.
4. single-phase state's net long-distance intelligent table printed circuit board (PCB) as claimed in claim 1, it is characterised in that：The integrated terminal
The main terminal and auxiliary terminal of row is electrically connected in the form of contact pin with printed circuit board (PCB).
5. single-phase state's net long-distance intelligent table printed circuit board (PCB) as claimed in claim 1, it is characterised in that：Described program is downloaded and connect
Mouth is arranged near the upper left corner of printed circuit board (PCB).
6. single-phase state's net long-distance intelligent table printed circuit board (PCB) as claimed in claim 1, it is characterised in that：Neutral line current sampling line
One end electrically connect with the sampling metering module of printed circuit board (PCB), the other end is electrically connected with current transformer；Live wire current sample
One end of line is connected with the Iin+ ports and Iin- ports of printed circuit board (PCB), and the other end is electrically connected with magnetic latching relay.
7. single-phase state's net long-distance intelligent table printed circuit board (PCB) as claimed in claim 6, it is characterised in that：Neutral line current sampling line
It is connected with the metering interface of printed circuit board (PCB) by contact pin, metering interface is electrically connected with sampling metering module；Live wire current sample
The wicking end of line is connected with the Iin+ ports of printed circuit board (PCB) and Iin- ports.
8. single-phase state's net long-distance intelligent table printed circuit board (PCB) as claimed in claim 1, it is characterised in that：The magnetic keeps relay
Device is connected by two contact pins with the RYA pads and RYB pads of printed circuit board (PCB), RYA pads and RYB pads and printed circuit board (PCB)
On relay drive circuit electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099684.6U CN206178004U (en) | 2016-09-29 | 2016-09-29 | Single -phase state net remote intelligent table printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099684.6U CN206178004U (en) | 2016-09-29 | 2016-09-29 | Single -phase state net remote intelligent table printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206178004U true CN206178004U (en) | 2017-05-17 |
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ID=58678405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621099684.6U Active CN206178004U (en) | 2016-09-29 | 2016-09-29 | Single -phase state net remote intelligent table printed circuit board |
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| Country | Link |
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| CN (1) | CN206178004U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107664707A (en) * | 2017-09-27 | 2018-02-06 | 宁波三星医疗电气股份有限公司 | A kind of board structure of circuit of electric energy meter |
| CN108931936A (en) * | 2018-08-17 | 2018-12-04 | 苏州溥秋智能科技有限公司 | A kind of device for controlling mould group and carrying the control mould group |
| CN109950975A (en) * | 2019-03-08 | 2019-06-28 | 苏州溥秋智能科技有限公司 | A kind of data communication module |
| CN111929480A (en) * | 2020-08-28 | 2020-11-13 | 杭州海兴电力科技股份有限公司 | Electric energy meter high-voltage invasion feed network structure and electric energy meter |
-
2016
- 2016-09-29 CN CN201621099684.6U patent/CN206178004U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107664707A (en) * | 2017-09-27 | 2018-02-06 | 宁波三星医疗电气股份有限公司 | A kind of board structure of circuit of electric energy meter |
| CN108931936A (en) * | 2018-08-17 | 2018-12-04 | 苏州溥秋智能科技有限公司 | A kind of device for controlling mould group and carrying the control mould group |
| CN109950975A (en) * | 2019-03-08 | 2019-06-28 | 苏州溥秋智能科技有限公司 | A kind of data communication module |
| CN111929480A (en) * | 2020-08-28 | 2020-11-13 | 杭州海兴电力科技股份有限公司 | Electric energy meter high-voltage invasion feed network structure and electric energy meter |
| CN111929480B (en) * | 2020-08-28 | 2023-05-30 | 杭州海兴电力科技股份有限公司 | Electric energy meter high-voltage invasion net feeding structure and electric energy meter |
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