CN202710657U - Multi-rate network type intelligent ammeter - Google Patents
Multi-rate network type intelligent ammeter Download PDFInfo
- Publication number
- CN202710657U CN202710657U CN 201220377227 CN201220377227U CN202710657U CN 202710657 U CN202710657 U CN 202710657U CN 201220377227 CN201220377227 CN 201220377227 CN 201220377227 U CN201220377227 U CN 201220377227U CN 202710657 U CN202710657 U CN 202710657U
- Authority
- CN
- China
- Prior art keywords
- unit
- mcu
- type intelligent
- interface unit
- utility
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The utility model relates to a multi-rate network type intelligent ammeter which comprises an MCU, a measuring unit, a storage unit, a power supply unit, a real-time clock unit, a field bus network interface unit, and a display and key interface unit. The measuring unit, the real-time clock unit, the field bus network interface unit and the display and key interface unit are all connected with the MCU. The power supply unit provides power for the system. The MCU is a single chip microcomputer with a programmable clock source control function. The storage unit is a ferroelectric storage device. The multi-rate network type intelligent ammeter solves the problem that the prior art cannot adapt to multi-rate measuring.
Description
Technical field
The utility model relates to a kind of many rates network-type intelligent electric meter, and it belongs to electric measuring apparatus class.
Background technology
Internet of Things is a kind of Sensor Network in essence, and for Internet of Things, remote meter reading is its important application form.For this reason, network-type electricity measuring apparatus is the important class of internet-of-things terminal.The network-type electricity measuring apparatus of prior art, generally comprise MCU, metering units, Local Bus Interface unit and demonstration and keystroke interface unit, described metering units, Local Bus Interface unit and demonstration and keystroke interface unit all connect with MCU, the problem that prior art exists is the application of so uncomfortable many rate meterings of network-type electricity measuring apparatus, the reliability of simultaneous memory spare is not high, moreover be exactly, adaptable network environment also be subject to larger limitation, these have further improved necessity.
Summary of the invention
The purpose of this utility model is to provide a kind of many rates network-type intelligent electric meter, the problem that exists to overcome prior art.Fundamental purpose of the present utility model is to provide a kind of network-type measuring apparatus that can be applicable to many rates metrology applications, and promote the reliability of its data storage, further improving the utility model on aforementioned basis then is further purpose of the present utility model to the adaptability of network environment.
A kind of many rates network-type intelligent electric meter of the present utility model, comprise MCU, metering units, storage unit, power supply unit, real-time clock unit, Local Bus Interface unit and demonstration and keystroke interface unit, described metering units, real-time clock unit, Local Bus Interface unit and demonstration and keystroke interface unit all connect with MCU, described power supply unit provides electric power to system, it is characterized in that described MCU is the one chip microcomputer with programmable clock control function, and described storage unit is ferroelectric memory.
For many rates network-type intelligent electric meter, local system time and no can the keeping consistency of system time of upper strata control system, it is the precondition that can many rates network-type intelligent electric meter adapt to many rate meterings, the MCU that the utility model adopts is the one chip microcomputer with programmable clock control function, can guarantee the consistance of the system time of local system time and upper strata control system for this reason, simultaneously, storage unit of the present utility model has adopted ferroelectric memory, because ferroelectric memory is non-volatile significantly, memory reliability of the present utility model increases substantially for this reason, in sum, basic purpose of the present utility model is achieved.
As further improvement, described MCU is for supporting the one chip microcomputer of programmable clock baud rate function, also comprise address and Configuration of baud rate switch element, described address and Configuration of baud rate switch element are connected to MCU, the utility model may according to the residing network environment of the machine suitable clock baud rate be set simultaneously by the machine address that is equipped with of address and Configuration of baud rate switch and MCU like this, so that can adapt to different network environments.
As further improving, also comprise the relay output interface, described relay output interface is connected to MCU, can more enrich control function of the present utility model like this.
Description of drawings
Fig. 1 is a kind of many rates network-type intelligent electric meter system architecture diagram that the utility model preferred embodiment provides.
Among the figure:
1 is MCU;
2 is the real-time clock unit;
3 is ferroelectric memory;
4 is the relay output interface;
5 is the RS485 interface;
6 is metering units;
7 is address and Configuration of baud rate switch element;
8 is power supply unit;
9 for showing and keystroke interface.
Embodiment
The utility model is described in further detail for a kind of many rates network-type intelligent electric meter that provides below with reference to the utility model preferred embodiment and accompanying drawing thereof.
A kind of many rates network-type intelligent electric meter that the utility model preferred embodiment provides, it is a kind of employing BACnet/MSTP communications protocol, support the network intelligence type measuring apparatus of many rate meterings, as shown in Figure 1, it comprises MCU1, metering units 6, power supply unit 8, storage unit, real-time clock unit 2, Local Bus Interface unit and demonstration and keystroke interface unit 9, described metering units 6, real-time clock unit 2, Local Bus Interface unit and demonstration and keystroke interface unit 9 all connect with MCU1, described power supply unit 8 provides electric power to system, in the utility model, described Local Bus Interface unit is RS485 interface 5, in this preferred embodiment, described MCU has selected commercially available LM3S800 one chip microcomputer, the one chip microcomputer band programmable clock control function of this model and support programmable clock baud rate, in this preferred embodiment, described storage unit is ferroelectric memory 3; In this preferred embodiment, also comprise address and Configuration of baud rate switch element 7, described address and Configuration of baud rate switch element 7 are connected to MCU1.In this preferred embodiment, also comprise relay output interface 4, described relay output interface 4 is connected to MCU1.
In sum, a kind of many rates network-type intelligent electric meter of the present utility model, comprise MCU, metering units, storage unit, power supply unit, the real-time clock unit, Local Bus Interface unit and demonstration and keystroke interface unit, described metering units, the real-time clock unit, Local Bus Interface unit and demonstration and keystroke interface unit all connect with MCU, described power supply unit provides electric power to system, its main points are that described MCU is the one chip microcomputer with programmable clock control function, and described storage unit is ferroelectric memory, and the utility model has solved prior art can not adapt to the problem that many rates are measured.
The above only is embodiment of the present utility model.But the utility model protection domain is not limited to this.Anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement; all should be encompassed within the protection domain of the present utility model, therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (3)
1. many rates network-type intelligent electric meter, comprise MCU, metering units, storage unit, power supply unit, real-time clock unit, Local Bus Interface unit and demonstration and keystroke interface unit, described metering units, real-time clock unit, Local Bus Interface unit and demonstration and keystroke interface unit all connect with MCU, described power supply unit provides electric power to system, it is characterized in that described MCU is the one chip microcomputer with programmable clock control function, and described storage unit is ferroelectric memory.
2. many rates network-type intelligent electric meter according to claim 1, it is characterized in that described MCU is for supporting the one chip microcomputer of programmable clock baud rate function, also comprise address and Configuration of baud rate switch element, described address and Configuration of baud rate switch element are connected to MCU.
3. many rates network-type intelligent electric meter according to claim 1 characterized by further comprising the relay output interface, and described relay output interface is connected to MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220377227 CN202710657U (en) | 2012-08-01 | 2012-08-01 | Multi-rate network type intelligent ammeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220377227 CN202710657U (en) | 2012-08-01 | 2012-08-01 | Multi-rate network type intelligent ammeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202710657U true CN202710657U (en) | 2013-01-30 |
Family
ID=47590945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220377227 Expired - Fee Related CN202710657U (en) | 2012-08-01 | 2012-08-01 | Multi-rate network type intelligent ammeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202710657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376408A (en) * | 2019-07-29 | 2019-10-25 | 苏州和欣致远节能科技有限公司 | A kind of ammeter of band BACnet controller function |
-
2012
- 2012-08-01 CN CN 201220377227 patent/CN202710657U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376408A (en) * | 2019-07-29 | 2019-10-25 | 苏州和欣致远节能科技有限公司 | A kind of ammeter of band BACnet controller function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Kate et al. | ZIGBEE based monitoring theft detection and automatic electricity meter reading | |
| CN202710657U (en) | Multi-rate network type intelligent ammeter | |
| CN104753172A (en) | Power switch controller based on multiple wireless communications | |
| CN202351339U (en) | Power quality monitoring device | |
| Kumar et al. | Design of real time data acquisition with multi node embedded systems | |
| CN103091580A (en) | Micro-grid electric energy monitoring device based on ARM | |
| CN102103199A (en) | Digital signal generating device and method based on three-phase power system model | |
| CN203433511U (en) | Parameter setting system under intelligent control of singlechip microcomputer | |
| US20150094872A1 (en) | Wireless switch for use in internet of things | |
| CN105356822B (en) | A kind of two-way machine operating condition monitoring modular | |
| CN204925727U (en) | Information acquisition device based on thing networking | |
| CN202886966U (en) | Intelligent measurement and control terminal of hydrology and water resources | |
| CN205317398U (en) | Pressure transmitter based on CMC treater | |
| CN203630563U (en) | Remote intelligent measurement and control unit | |
| CN204290324U (en) | Power system reactive power compensation supervising device | |
| CN204437452U (en) | Intelligent electric valve positioning device | |
| Shaikh et al. | IoT Based Power Management System (Academic Year 2019-20) | |
| CN205722372U (en) | Wireless intelligent gas kilowatt meter reading-out system | |
| CN203644195U (en) | Electric meter reading concentrator with radio frequency communication function | |
| CN204314381U (en) | A kind of novel electric power loss measurement device | |
| CN203849589U (en) | Network virtual interface programmable logic controller device | |
| CN203351969U (en) | Intelligent high tension switchgear | |
| CN103383408A (en) | Electronic type multifunctional electric energy meter | |
| CN202612775U (en) | Locking valve system based on meter-bus (M-Bus) remote control | |
| CN203672983U (en) | Network split-type electric energy manager |
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: 20130130 Termination date: 20140801 |
|
| EXPY | Termination of patent right or utility model |