CN106940398A - Building electric energy collection system - Google Patents
Building electric energy collection system Download PDFInfo
- Publication number
- CN106940398A CN106940398A CN201611232033.4A CN201611232033A CN106940398A CN 106940398 A CN106940398 A CN 106940398A CN 201611232033 A CN201611232033 A CN 201611232033A CN 106940398 A CN106940398 A CN 106940398A
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- China
- Prior art keywords
- module
- output end
- electric energy
- stabilizing chip
- voltage stabilizing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of building electric energy collection system, including data acquisition module and multiple intelligent electric meters, intelligent electric meter includes MSP430FE427 main control chips, power module, LCD display module, RS485 communication modules, clock module, infrared communication module, and key-press module and Signal-regulated kinase, power module includes 220V AC powers, a 220V AC powers series connection one piezo-resistance R1 and thermistor R2, piezo-resistance R1 two ends connection AC transformer T1 is depressured, alternating voltage is changed into DC voltage by AC transformer T1 output end connection bridge rectifier BR1, bridge rectifier BR1 output end connection voltage stabilizing chip TPS76350, voltage stabilizing chip TPS76350 output end connection voltage stabilizing chip TPS76333.Made the data of collection more accurate, reliable according to the building electric energy collection system of the present invention.
Description
Technical field
The present invention relates to technical field of electric power, more particularly to a kind of building electric energy collection system.
Background technology
With the development of power technology and its relevant industries, the function of electric energy management system in constantly improve, electric energy meter
Performance and structure are also being continuously updated and optimized development.Because electric energy meter belongs to the electric-power metering product of non-stop run, it is
Prevent system cut-off and cause loss of data and prevent line voltage distribution impact, rush of current to ensure that it is certain anti-interference that system has
Ability, the setting of power module needs to add certain safeguard measure.
The content of the invention
It is contemplated that at least solving one of above-mentioned technical problem in correlation technique to a certain extent.Therefore, this hair
It is bright to propose a kind of building electric energy collection system, make the data of collection more accurate, reliable.
To achieve the above object, the present invention proposes a kind of building electric energy collection system, it is characterised in that including data acquisition
Module and multiple intelligent electric meters, the data acquisition module are connected by RS485 communication modules with multiple intelligent electric meters；
The intelligent electric meter includes MSP430FE427 main control chips, power module, LCD display module, RS485 communication moulds
Block, clock module, infrared communication module and key-press module and Signal-regulated kinase；
The power module includes 220V AC powers, 220V AC powers one piezo-resistance R1 of series connection and a temperature-sensitive
Resistance R2, piezo-resistance R1 two ends connection AC transformer T1 are depressured, AC transformer T1 output end connection bridge-type
Alternating voltage is changed into DC voltage, bridge rectifier BR1 output end connection voltage stabilizing chip by rectification circuit BR1
TPS76350, voltage stabilizing chip TPS76350 output end output+5V voltages, voltage stabilizing chip TPS76350 output end connection voltage stabilizing
Chip TPS76333, voltage stabilizing chip TPS76333 output end output+3.3V voltages, voltage stabilizing chip TPS76350 output end is also
Parallel connection one one-way conduction diode D2 and reserve battery BT1.
Further, the MSP430FE427 main control chips, RS485 communication modules and clock module connection+3.3V direct currents
Power supply, the infrared communication module connection+5V dc sources.
Further, integrated ESP430 electric energy acquisitions and computing module in the MSP430FE427 main control chips.
Further, the MSP430FE427 main control chips pass through 74HC595 serioparallel exchanges chip and LCD display module
It is connected.
The present invention adds certain safeguard measure by the power module in intelligent electric meter, has power module higher
Stability and reliability, improve the precision of the data of intelligent electric meter, so that the data of building electric energy collection system collection are more
Accurately, it is reliable.
Brief description of the drawings
Fig. 1 is the system block diagram of building electric energy collection system according to embodiments of the present invention.
Fig. 2 be according to embodiments of the present invention in intelligent electric meter system block diagram.
Fig. 3 be according to embodiments of the present invention in intelligent electric meter power module circuitry figure.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Below with reference to the accompanying drawings building electric energy collection system according to embodiments of the present invention, as Figure 1-Figure 2, this hair are described
Bright to propose a kind of building electric energy collection system, including data acquisition module and multiple intelligent electric meters, data acquisition module passes through
RS485 communication modules are connected with multiple intelligent electric meters, and intelligent electric meter includes MSP430FE427 main control chips, power module, LCD
Display module, RS485 communication modules, clock module, infrared communication module and key-press module and Signal-regulated kinase.
As shown in figure 3, power module includes 220V AC powers, 220V AC powers series connection one piezo-resistance R1 and one
Individual thermistor R2, piezo-resistance R1 two ends connection AC transformer T1 are depressured, and AC transformer T1 output end connects
Meet bridge rectifier BR1 and alternating voltage is changed into DC voltage, bridge rectifier BR1 output end connection voltage stabilizing chip
TPS76350, voltage stabilizing chip TPS76350 output end output+5V voltages, voltage stabilizing chip TPS76350 output end connection voltage stabilizing
Chip TPS76333, voltage stabilizing chip TPS76333 output end output+3.3V voltages, voltage stabilizing chip TPS76350 output end is also
Parallel connection one one-way conduction diode D2 and reserve battery BT1.
Connect a thermistor R2 before connection AC transformer T1, when line voltage distribution is raised, and flows through temperature-sensitive electricity
Hindering R2 electric current will raise, and the rise of electric current will cause thermistor R2 to generate heat so that thermistor R2 temperature is raised, simultaneously
Temperature rise will increase thermistor R2 resistances, so that the voltage into AC transformer T1 is controlled in certain scope,
Play the function of overvoltage protection.When circuit is struck by lightning, just beyond the scope of overvoltage protection, in order to further protect electricity
Road, the resistance by control source port parallel connection one piezo-resistance R1, piezo-resistance R1 again is with being added in piezo-resistance R1 two
The change of the voltage swing at end and change, piezo-resistance R1 is not turned on when voltage normal power supply, if supply line meet with
To during thunderbolt, voltage increases suddenly, piezo-resistance R1 also transient switchings, so as to protect infringement of the thunderbolt voltage to circuit.
The present invention proposes a kind of building electric energy collection system, and certain protection is added by the power module in intelligent electric meter
Measure, makes power module have higher stability and reliability, the precision of the data of intelligent electric meter is improved, so that building are electric
The data of energy acquisition system collection are more accurate, reliable.
Wherein, MSP430FE427 main control chips, RS485 communication modules and clock module connection+3.3V dc sources, red
Outer communication module connection+5V dc sources.
Integrated ESP430 electric energy acquisitions and computing module, can be completed by software programming in MSP430FE427 main control chips
Collection to energy data.MSP430FE427 main control chips are connected by 74HC595 serioparallel exchange chips with LCD display module,
LCD display module is mainly used in showing various energy datas, facilitates user to inquire about power information.RS485 communication modules realize and
The communication of data acquisition module.RS485 communication modules transmit signal in differential balance mode, the energy disturbed with suppression common mode
Power.And the Max485 in RS485 communication modules has higher sensitivity, the low differential signal up to 200mV can be detected.Using
This difference common mode disturbances suppressor mode improves the transmission range and antijamming capability of RS485 communication modules.Clock module is completed
Real-time clock function, time reference is provided for electric energy meter, realizes many rate functions of electric energy meter.It is automatic that power module possesses power down
It is switched to the function of battery back-up module, it is possible to achieve uninterrupted power supply, prevents loss of data.Key-press module is followed available for user
Ring inquires about power information, and infrared communication module can realize semi-automatic meter-reading function as a miscellaneous function, and tariff metering apparatus can lead to
Cross infrared communication module and carry out meter reading.
The present invention proposes a kind of building electric energy collection system, and certain protection is added by the power module in intelligent electric meter
Measure, makes power module have higher stability and reliability, the precision of the data of intelligent electric meter is improved, so that building are electric
The data of energy acquisition system collection are more accurate, reliable.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (4)
1. a kind of building electric energy collection system, it is characterised in that including data acquisition module and multiple intelligent electric meters, the data
Acquisition module is connected by RS485 communication modules with multiple intelligent electric meters；
The intelligent electric meter include MSP430FE427 main control chips, power module, LCD display module, RS485 communication modules, when
Clock module, infrared communication module and key-press module and Signal-regulated kinase；
The power module includes 220V AC powers, 220V AC powers one piezo-resistance R1 of series connection and a thermistor
R2, piezo-resistance R1 two ends connection AC transformer T1 are depressured, AC transformer T1 output end connection bridge rectifier
Alternating voltage is changed into DC voltage by circuit BR1, and bridge rectifier BR1 output end connects voltage stabilizing chip TPS76350,
Voltage stabilizing chip TPS76350 output end output+5V voltages, voltage stabilizing chip TPS76350 output end connection voltage stabilizing chip
TPS76333, voltage stabilizing chip TPS76333 output end output+3.3V voltages, voltage stabilizing chip TPS76350 output end are also in parallel
One one-way conduction diode D2 and reserve battery BT1.
2. building electric energy collection system according to claim 1, it is characterised in that the MSP430FE427 main control chips,
RS485 communication modules and clock module connection+3.3V dc sources, the infrared communication module connection+5V dc sources.
3. building electric energy collection system according to claim 2, it is characterised in that the MSP430FE427 main control chips
Interior integrated ESP430 electric energy acquisitions and computing module.
4. building electric energy collection system according to claim 3, it is characterised in that the MSP430FE427 main control chips
It is connected by 74HC595 serioparallel exchange chips with LCD display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611232033.4A CN106940398A (en) | 2016-12-28 | 2016-12-28 | Building electric energy collection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611232033.4A CN106940398A (en) | 2016-12-28 | 2016-12-28 | Building electric energy collection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106940398A true CN106940398A (en) | 2017-07-11 |
Family
ID=59469606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611232033.4A Pending CN106940398A (en) | 2016-12-28 | 2016-12-28 | Building electric energy collection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106940398A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107390021A (en) * | 2017-09-10 | 2017-11-24 | 深圳市江机实业有限公司 | A kind of device for being capable of indoors voice broadcast intelligent electric energy meter real time electrical quantity |
-
2016
- 2016-12-28 CN CN201611232033.4A patent/CN106940398A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107390021A (en) * | 2017-09-10 | 2017-11-24 | 深圳市江机实业有限公司 | A kind of device for being capable of indoors voice broadcast intelligent electric energy meter real time electrical quantity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170711 |
|
| WD01 | Invention patent application deemed withdrawn after publication |