CN108761189A - A kind of miniaturization voltage acquisition general module - Google Patents
A kind of miniaturization voltage acquisition general module Download PDFInfo
- Publication number
- CN108761189A CN108761189A CN201810849086.3A CN201810849086A CN108761189A CN 108761189 A CN108761189 A CN 108761189A CN 201810849086 A CN201810849086 A CN 201810849086A CN 108761189 A CN108761189 A CN 108761189A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- printed circuit
- circuit board
- miniaturization
- screw
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2516—Modular arrangements for computer based systems; using personal computers (PC's), e.g. "virtual instruments"
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Multi-Conductor Connections (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
A kind of miniaturization voltage acquisition general module provided by the invention, including printed circuit board, interface connector, screw fixedly connected hole, electronic component；The screw is fixedly connected with hole machined on the quadrangle of printed circuit board, the interface connector is arranged on the side of screw fixedly connected hole, in the circuit of the electronic component grafting on a printed circuit board, the interface connector in real time acquisition ± 10V, ± 5V and ± 2.5V voltages as true bipolar input signal.The present invention is connected in addition to connector, is also added screw and is fixed, strengthens connection reliability；Modularized design is conveniently replaceable and installs additional；Installation volume is reduced.
Description
Technical field
The present invention relates to a kind of miniaturization voltage acquisition general modules.
Background technology
Existing power monitoring circuit, protective relay, instrument and control system can all need in data collecting system etc.
External voltage signal is acquired, and is converted to bus mode or serial mode is transferred to control device, control device needle
Logic control is carried out again to the data after conversion, board size is big, occupies the device space, and circuit is complicated, of high cost, and repair is tired
Difficulty etc. devises the voltage acquisition general module of modularized design thus, and area occupied is small, for finding that indicating equipment is exhausted in time
The bad state of edge protects operator's personal safety.
Invention content
In order to solve the above technical problems, the present invention provides a kind of miniaturization voltage acquisition general modules.
The present invention is achieved by the following technical programs.
A kind of miniaturization voltage acquisition general module provided by the invention, including printed circuit board, interface connector, screw
Fixedly connected hole, electronic component；The screw is fixedly connected with hole machined on the quadrangle of printed circuit board, the interface connection
Device is arranged on the side of screw fixedly connected hole, described in the circuit of the electronic component grafting on a printed circuit board
Interface connector in real time acquisition ± 10V, ± 5V and ± 2.5V voltages as true bipolar input signal.
Printed circuit board is fixed in equipment by the screw fixedly connected hole by bolt.
The electronic component and printed circuit composition current processing circuits and digital isolation circuit.
Circuit chip uses AD7616 acquisition process chips.
The beneficial effects of the present invention are：It in addition to connector connects, also adds screw and fixes, it is reliable to strengthen connection
Property；Modularized design is conveniently replaceable and installs additional；Installation volume is reduced.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
In figure：1- printed circuit boards, 2- external interface connectors, 3- screw fixedly connected holes, 4- electronic components.
Specific implementation mode
Be described further below technical scheme of the present invention, but claimed range be not limited to it is described.
A kind of miniaturization voltage acquisition general module, including printed circuit board 1, interface connector 2, screw fixedly connected hole
3, electronic component 4；On the quadrangle of printed circuit board 1, the interface connector 2 is set for the processing of screw fixedly connected hole 3
It sets on the side of screw fixedly connected hole 3, the electronic component 4 is plugged in the circuit on printed circuit board 1, described to connect
2 real-time acquisition ± 10V of mouth connector, ± 5V and ± 2.5V voltages are as true bipolar input signal.
Printed circuit board 1 is fixed in equipment by the screw fixedly connected hole 3 by bolt.
The electronic component 4 and printed circuit composition current processing circuits and digital isolation circuit.
Circuit chip uses AD7616 acquisition process chips.
1) connector is designed in printed board, connector is electrically connected with control device, and increases by four screw peaces
Hole is filled, is fastened by screw and control device；
2) line that the Acquisition Circuit of voltage signal is realized in printed board, realizes modularized design, is replaced convenient for one integral piece；
Module minimizes, and on the basis of original, significantly reduces appearance and size.
Claims (4)
1. a kind of miniaturization voltage acquisition general module, including printed circuit board (1), interface connector (2), screw are fixedly connected
Hole (3), electronic component (4), it is characterised in that：Quadrangle of screw fixedly connected hole (3) processing in printed circuit board (1)
On, the interface connector (2) is arranged on the side of screw fixedly connected hole (3), and the electronic component (4) is plugged on print
In circuit on circuit board (1) processed, the interface connector (2) acquisition in real time ± 10V, ± 5V and ± 2.5V voltages are as very double
Polarity input signal.
2. miniaturization voltage acquisition general module as described in claim 1, it is characterised in that：The screw fixedly connected hole
(3) printed circuit board (1) is fixed in equipment by bolt.
3. miniaturization voltage acquisition general module as described in claim 1, it is characterised in that：The electronic component (4) and
Printed circuit forms current processing circuits and digital isolation circuit.
4. miniaturization voltage acquisition general module as described in claim 1, it is characterised in that：Circuit chip is adopted using AD7616
Collect processing chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810849086.3A CN108761189A (en) | 2018-07-28 | 2018-07-28 | A kind of miniaturization voltage acquisition general module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810849086.3A CN108761189A (en) | 2018-07-28 | 2018-07-28 | A kind of miniaturization voltage acquisition general module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108761189A true CN108761189A (en) | 2018-11-06 |
Family
ID=63971745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810849086.3A Pending CN108761189A (en) | 2018-07-28 | 2018-07-28 | A kind of miniaturization voltage acquisition general module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108761189A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916307A (en) * | 2012-10-30 | 2013-02-06 | 上海斐讯数据通信技术有限公司 | Circuit for enhancing identification of connecting reliability of connectors between printed circuit boards |
| CN103149495A (en) * | 2013-02-27 | 2013-06-12 | 东莞市融汇机械设备电子有限公司 | Comprehensive test instrument for testing multi-path conducting wire\connector |
| CN206096236U (en) * | 2016-10-19 | 2017-04-12 | 河南华盛隆源电气有限公司 | Zero sequence voltage collection system |
| CN107966602A (en) * | 2016-10-19 | 2018-04-27 | 河南华盛隆源电气有限公司 | A kind of residual voltage harvester |
-
2018
- 2018-07-28 CN CN201810849086.3A patent/CN108761189A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916307A (en) * | 2012-10-30 | 2013-02-06 | 上海斐讯数据通信技术有限公司 | Circuit for enhancing identification of connecting reliability of connectors between printed circuit boards |
| CN103149495A (en) * | 2013-02-27 | 2013-06-12 | 东莞市融汇机械设备电子有限公司 | Comprehensive test instrument for testing multi-path conducting wire\connector |
| CN206096236U (en) * | 2016-10-19 | 2017-04-12 | 河南华盛隆源电气有限公司 | Zero sequence voltage collection system |
| CN107966602A (en) * | 2016-10-19 | 2018-04-27 | 河南华盛隆源电气有限公司 | A kind of residual voltage harvester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181106 |