CN202475025U - Novel on-off linkage intelligent electricity meter - Google Patents
Novel on-off linkage intelligent electricity meter Download PDFInfo
- Publication number
- CN202475025U CN202475025U CN2012200394495U CN201220039449U CN202475025U CN 202475025 U CN202475025 U CN 202475025U CN 2012200394495 U CN2012200394495 U CN 2012200394495U CN 201220039449 U CN201220039449 U CN 201220039449U CN 202475025 U CN202475025 U CN 202475025U
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- circuit
- microprocessor
- human
- interface module
- reset memory
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Abstract
The utility model discloses a novel on-off linkage intelligent electricity meter, which comprises a switching power supply, a signal sampling and processing circuit, a microprocessor and reset memory circuit, a digital input circuit, a relay output circuit, a digital communication circuit and a human-machine interface module, wherein the relay output circuit and the digital communication circuit are respectively connected with the switching power supply and the microprocessor and reset memory circuit, and the microprocessor and reset memory circuit is respectively connected with the signal sampling and processing circuit, the switching power supply, the digital input circuit and the human-machine interface module. The novel on-off linkage intelligent electricity meter can monitor and control power grid parameters, such as current, voltage, power, power factor, electricity and digital input state, and can automatically drive a relay to output a corresponding act according to the digital input state or the other power grid parameters as logical judgement basis, thus achieving the effect of on-off linkage.
Description
Technical field
The utility model relates to the intelligent low-pressure distribution equipment, particularly a kind of novel switched interlock intelligent electric meter.
Background technology
Increasing along with the progress of China's industrial technology level and automation equipment, the automatic controlling level of industrial circle is also increasingly high, and this has also proposed higher automation control requirement to the intelligent electric meter of being used widely at industrial circle.
At present aspect the automation control of intelligent electric meter; The normal employing to the method for certain road relay output deliberate action value controlled, and promptly this road relay output is moved when the electrical network parameter of intelligent electric meter monitoring reaches the default operating value of certain road relay.The shortcoming of this control mode is very flexible, and the application scenario comparatively complicated in control logic seems unable to do what one wishes, is difficult to satisfy user's requirement.
The utility model content
The purpose of the utility model is a kind of novel switched interlock intelligent electric meter that provides to the deficiency of prior art; This novel switched interlock intelligent electric meter can adopt multiple mode to control automatically: 1) carry out logic determines according to the switching value input state, relay is exported the control that links; 2) gather the switching value input state through the digital communication mouth, carry out logic determines, relay is exported the control that links; 3) control automatically through the deliberate action value.
The concrete technical scheme that realizes the utility model purpose is:
A kind of novel switched interlock intelligent electric meter; It comprises switching power circuit, signal sampling treatment circuit, microprocessor and reset memory circuit, switching value input circuit, relay output circuit, digital communication circuit and human-computer interface module; Wherein, The relay output circuit connects microprocessor and reset memory circuit; The digital communication circuit connects switching power circuit and microprocessor and reset memory circuit respectively, and microprocessor and reset memory circuit connect signal sampling treatment circuit, switching power circuit, switching value input circuit and human-computer interface module respectively.
Said human-computer interface module comprises LCD/LED display circuit, switching value input state indicator light and peripheral operation button inputting circuits, and human-computer interface module is connected with microprocessor and reset memory circuit.
Said switching value input circuit, relay output circuit can be realized combined operation; Be that the relay output circuit can be realized the switch gearing operation according to the outside input switch amount state that the switching value input circuit receives, concrete logical relation can be set through the human-computer interface module programming operation or through the digital communication circuit programming.
The utility model can monitor and control electrical network parameters such as electric current, voltage, power, power factor, electric energy, switching value input states; And can be the logic determines foundation with switching value input state or other electrical network parameter; Automatically make relay output carry out corresponding actions, reach the effect of switch gearing.
Description of drawings
Fig. 1 is the utility model circuit structure block diagram;
Fig. 2 is the utility model switching value input circuit figure;
Fig. 3 is the utility model relay output circuit figure;
Fig. 4 is the utility model digital communication circuit diagram.
Embodiment
Consult Fig. 1; The utility model comprises switching power circuit, signal sampling treatment circuit, microprocessor and reset memory circuit, switching value input circuit, relay output circuit, digital communication circuit and human-computer interface module; Wherein, Relay output circuit connection microprocessor and reset memory circuit, digital communication circuit connect switching power circuit and microprocessor and reset memory circuit respectively, and microprocessor and reset memory circuit connect switching power circuit, signal sampling treatment circuit, switching value input circuit and human-computer interface module respectively; The utility model microprocessor MCU adopts the MSP430 series monolithic, and this single-chip microcomputer internal resource is abundant, and volume is little, and is low in energy consumption, and reliability is high.
The utility model switching power circuit provides the multipath independent direct current power supply, realizes the power supply to microprocessor and reset memory circuit, relay output circuit, digital communication circuit.
The utility model microprocessor and reset, the memory circuit circuit comprises microprocessor, work crystal oscillating circuit, reset circuit and data storage circuitry.
The utility model switching value input circuit adopts the light-coupled isolation technology, can gather the input of multichannel external switch amount state.And can cooperate the relay output circuit to realize the switch gearing controlled function.
Consult Fig. 2; The switching value input circuit of the utility model comprises maximum 8 way switch amounts inputs, imports U15 through optocoupler U12, U13 into after isolating, and U15 is a buffer; The switching value state is exported to microprocessor MCU after the U15 buffering, supply MCU to judge the on off operating mode of switching value.
Consult Fig. 3, the relay output circuit of the utility model comprises a plurality of independently relays, is merely the circuit diagram of road relay wherein among Fig. 3; Relay can divide/close control for the contact of outside, is used to realize functions such as automatic control, warning and protection; Microprocessor MCU exports control signal ALRi with relay and is transferred to corresponding i road relay output circuit, exports to relay J i through V1, V2 again after amplifying.
Consult Fig. 4, the digital communication inside circuit of the utility model is connected with microprocessor MCU, externally adopts the RS485 interface; MCU exports and sends, receives signal to communication processing chip IC 9, and the signal between MCU and IC9 is through two optocoupler IC7, IC8 isolation buffer, and the optocoupler both sides adopt two independent+3.3V to reach+the 5V power supply respectively.Guarantee the isolation between external communication and microprocessor MCU, improved the reliability and stability of communication.
It is to be noted: those of ordinary skill in the art can make various suitable distortion or replacement on the basis of the utility model, but all these distortion or replacement, all should belong to the protection range of the utility model.
Claims (3)
1. novel switched interlock intelligent electric meter; It is characterized in that it comprises Switching Power Supply, signal sampling treatment circuit, microprocessor and reset memory circuit, switching value input circuit, relay output circuit, digital communication circuit and human-computer interface module; Wherein, The relay output circuit connects microprocessor and reset memory circuit; The digital communication circuit connects Switching Power Supply and microprocessor and reset memory circuit respectively, and microprocessor and reset memory circuit connect Switching Power Supply, signal sampling treatment circuit, switching value input circuit and human-computer interface module respectively.
2. intelligent electric meter according to claim 1 is characterized in that said human-computer interface module comprises LCD/LED display circuit, switching value input state indicator light and peripheral operation button inputting circuits.
3. intelligent electric meter according to claim 1; It is characterized in that the outside input switch amount state realization switch gearing operation that said relay output circuit receives according to the switching value input circuit, concrete logical relation is set through the human-computer interface module programming operation or through the digital communication circuit programming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200394495U CN202475025U (en) | 2012-02-08 | 2012-02-08 | Novel on-off linkage intelligent electricity meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200394495U CN202475025U (en) | 2012-02-08 | 2012-02-08 | Novel on-off linkage intelligent electricity meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202475025U true CN202475025U (en) | 2012-10-03 |
Family
ID=46923152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200394495U Expired - Fee Related CN202475025U (en) | 2012-02-08 | 2012-02-08 | Novel on-off linkage intelligent electricity meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202475025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720683A (en) * | 2014-12-04 | 2016-06-29 | 天津市品通电力科技有限公司 | Device for intelligently selecting and inspecting onsite bus of electric power meter |
-
2012
- 2012-02-08 CN CN2012200394495U patent/CN202475025U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720683A (en) * | 2014-12-04 | 2016-06-29 | 天津市品通电力科技有限公司 | Device for intelligently selecting and inspecting onsite bus of electric power meter |
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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 |
Granted publication date: 20121003 Termination date: 20190208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |