CN202512170U - Intelligent ammeter communication module circuit structure having power-off protection function - Google Patents
Intelligent ammeter communication module circuit structure having power-off protection function Download PDFInfo
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- CN202512170U CN202512170U CN2012201681745U CN201220168174U CN202512170U CN 202512170 U CN202512170 U CN 202512170U CN 2012201681745 U CN2012201681745 U CN 2012201681745U CN 201220168174 U CN201220168174 U CN 201220168174U CN 202512170 U CN202512170 U CN 202512170U
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- electric meter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The utility model relates to an intelligent ammeter communication module circuit structure having a power-off protection function. The structure comprises a processor, a memory, a power-switching circuit and a standby battery, wherein a power supply of an intelligent ammeter is connected with the standby battery through a charging circuit, and the standby battery is connected with the power-switching circuit through a discharging circuit. By the aid of a communication module using the circuit structure, on the condition that the power supply is cut off, data in an internal memory can be transferred to a flash memory timely by usage of the standby battery, so that the data of the internal memory are effectively prevented from being lost on the condition that the power supply is cut off suddenly, and the power-off protection function is provided. The intelligent ammeter communication module circuit structure having the power-off protection function is simple in structure, low in cost and wide in application range.
Description
Technical field
The utility model relates to intelligent electric meter structure field, and particularly the communication module structure field of intelligent electric meter specifically is meant a kind of intelligent electric meter communication module circuit structure with power-off protection function.
Background technology
In the intelligent electric meter based on EPON, communication module is used for whenever reading ammeter data at a distance from the set time (as 15 minutes), and data are temporarily stored in the internal memory, in that the timings of the data in the internal memory (as 6 hours) are saved among the flash, so that the collection of server data.If it is in use individual; Electric system outage or ammeter break down, and all data that collect that then are stored in the internal memory will be lost, and this is for the hundreds of millions of electric system of user; To be a no small loss, be the existing important hidden danger of intelligent electric meter of prior art.Therefore, need a kind of intelligent electric meter that can under powering-off state, preserve internal storage data in the prior art badly.
The utility model content
The purpose of the utility model is to have overcome above-mentioned shortcoming of the prior art; Provide a kind of and can under powering-off state, provide alarm for power-off; And utilize self power supply with the timely unloading of data in EMS memory to flash memory, thereby guarantee that effectively internal storage data can not lose under the situation of sudden power, and simple in structure; With low cost, range of application has the intelligent electric meter communication module circuit structure of power-off protection function comparatively widely.
Intelligent electric meter comprises power supply, data acquisition module, memory modules and communication module, and described data acquisition module is connected in described memory modules.
In order to realize above-mentioned purpose, the intelligent electric meter communication module circuit structure with power-off protection function of the utility model has following formation:
This has the intelligent electric meter communication module circuit structure of power-off protection function; Comprise processor, storer and power-switching circuit; Described storer connects described processor; This processor is through the power supply of described power-switching circuit connection of intelligent ammeter, and this processor is the memory modules of connection of intelligent ammeter also, and described processor is also through the network connection service device.And described intelligent electric meter communication module circuit structure also comprises reserve battery, and the power supply of described intelligent electric meter connects described reserve battery through charging circuit, and this reserve battery connects described power-switching circuit through discharge circuit.
This has in the intelligent electric meter communication module circuit structure of power-off protection function, and described charging circuit comprises a charging chip, and described charging chip is connected between described power supply and the described reserve battery.
This has in the intelligent electric meter communication module circuit structure of power-off protection function; Described discharge circuit comprises a P channel MOS tube; The source electrode of described P channel MOS tube is connected described reserve battery with drain electrode, and the grid of described P channel MOS tube connects described power-switching circuit.
This has in the intelligent electric meter communication module circuit structure of power-off protection function; Described power-switching circuit comprises first order conversion electronic circuit and second level conversion electronic circuit, and described power supply is connected described processor through described first order conversion electronic circuit with second level conversion electronic circuit in proper order.
This has in the intelligent electric meter communication module circuit structure of power-off protection function, and described reserve battery connects the input end of described second level conversion electronic circuit through discharge circuit.
This has in the intelligent electric meter communication module circuit structure of power-off protection function, and described intelligent electric meter communication module circuit structure also comprises power supply supervisory circuit, and described power supply supervisory circuit is connected between described power supply and the processor.
This has in the intelligent electric meter communication module circuit structure of power-off protection function; Described power supply supervisory circuit comprises the divider resistance and the voltage monitoring chip of series connection; The input end of described divider resistance connects described power supply, and the output terminal of described voltage monitoring chip connects described processor.
This has in the intelligent electric meter communication module circuit structure of power-off protection function, and described voltage monitoring chip is the control chip that resets.
Adopted the intelligent electric meter communication module circuit structure with power-off protection function of this utility model, because it also comprises reserve battery, the power supply of described intelligent electric meter connects described reserve battery through charging circuit; This reserve battery connects described power-switching circuit through discharge circuit; Make that this communication module can be under powering-off state, utilize reserve battery with the timely unloading of the data in the internal memory to flash memory, thereby guarantee that effectively internal storage data can not lose under the situation of sudden power; And the intelligent electric meter communication module circuit structure with power-off protection function of the utility model; It is simple in structure, and is with low cost, and range of application is comparatively extensive.
Description of drawings
Fig. 1 is applied to the structural representation in the intelligent electric meter for the intelligent electric meter communication module circuit structure with power-off protection function of the utility model.
Fig. 2 is the circuit structure diagram of the power supply supervisory circuit in the intelligent electric meter communication module circuit structure with power-off protection function of the utility model.
Fig. 3 is the circuit structure diagram of the reserve battery charging circuit in the intelligent electric meter communication module circuit structure with power-off protection function of the utility model.
Fig. 4 is the circuit structure diagram of the reserve battery discharge circuit in the intelligent electric meter communication module circuit structure with power-off protection function of the utility model.
Fig. 5 is the circuit structure diagram of the conversion of the first order in the intelligent electric meter communication module circuit structure with power-off protection function of the utility model electronic circuit.
Fig. 6 is the circuit structure diagram of the conversion of the second level in the intelligent electric meter communication module circuit structure with power-off protection function of the utility model electronic circuit.
Embodiment
In order more to be expressly understood the technology contents of the utility model, the special following examples of lifting specify.
See also shown in Figure 1, for the intelligent electric meter communication module circuit structure with power-off protection function of the utility model is applied to the structural representation in the intelligent electric meter.
Intelligent electric meter comprises communication module, power supply, data acquisition module and memory modules; Described data acquisition module is connected in described memory modules; Described communication module circuit structure comprises processor, storer and power-switching circuit, and described storer connects described processor, and this processor is through the power supply of described power-switching circuit connection of intelligent ammeter; This processor is the memory modules of connection of intelligent ammeter also, and described processor is also through the network connection service device.In one embodiment; The intelligent electric meter communication module circuit structure of the utility model also comprises reserve battery; The power supply of described intelligent electric meter connects described reserve battery through charging circuit, and this reserve battery connects described power-switching circuit through discharge circuit.
In a kind of more preferably embodiment, described charging circuit, as shown in Figure 3, comprise a charging chip, described charging chip is connected between described power supply and the described reserve battery.
At another kind more preferably in the embodiment; Described discharge circuit is as shown in Figure 4; Comprise a P channel MOS tube, the source electrode of described P channel MOS tube is connected described reserve battery with drain electrode, and the grid of described P channel MOS tube connects described power-switching circuit.
At another more preferably in the embodiment; Described power-switching circuit comprises first order conversion electronic circuit as shown in Figure 5 and conversion electronic circuit in the second level as shown in Figure 6, and described power supply is connected described processor through described first order conversion electronic circuit with second level conversion electronic circuit in proper order.And described reserve battery connects the input end of described second level conversion electronic circuit through discharge circuit.
In further preferred embodiment, described intelligent electric meter communication module circuit structure also comprises power supply supervisory circuit as shown in Figure 2, and described power supply supervisory circuit is connected between described power supply and the processor.
In preferred embodiment, described power supply supervisory circuit comprises the divider resistance and the voltage monitoring chip of series connection, and the input end of described divider resistance connects described power supply, and the output terminal of described voltage monitoring chip connects described processor.This voltage monitoring chip is the control chip that resets.
In practical application; Adopt the purpose of the intelligent electric meter communication module circuit structure with power-off protection function of the utility model to be: Information Monitoring is lost in the time of can preventing fault such as outage; Go up simultaneously warning message, and then issue configuration according to OLT Information Monitoring is uploaded.The expense loss that not only can avoid factor to bring according to loss, the remote-controllable property of increase intelligent grid further can also be through carrying out malfunction elimination to fault data statistic analysis for the previous period.
Particularly; Power supply supervisory circuit is as shown in Figure 2; It is made up of divider resistance and the chip that resets (MAX809 or other identical performance chips), and the chip output low level that when power supply drops to 10V, resets is alarmed to processor, and processor uploads onto the server this effective warning information of low level.
The charging circuit of reserve battery and discharge circuit are respectively like Fig. 3 and shown in Figure 4.Reserve battery is according to the demand of electric system, and general power down process data time was selected the lithium battery of suitable capacity according to circuit power consumption electric current and die space in 10 minutes.Like the novel applied communication module of practicality, DC voltage 3.3V, full load current 420mA selects the battery of 500mA promptly can meet the demands; Charging chip adopts BL4054; Discharge line is selected the mos pipe FDN302P of P raceway groove for use.
The power source conversion circuit adopts the two-stage power source conversion.The first order is as shown in Figure 5, and the MP1496 chip goes to 5.5V with main power voltage (13.5V), and the second level is as shown in Figure 6, goes to 3.3V with the MP2012 chip by 5.5V again.
In application process, when power supply just often, from the primary power of ammeter just often; Shown in figure below solid line flow process part; Primary power is supplied power to total system, and processor regularly is saved to the information temporary storage that collects to built-in internal memory storer and reaches server.Charge the battery through charging chip simultaneously, and the monitoring primary power.
When outage, shown in Fig. 1 dotted portion, the primary power power down; Reserve battery begins power supply; Keep system operation, processor is saved to the Information Monitoring in the internal memory in storer, simultaneously the Power Supply Monitoring circuit with the information uploading of power fail warning information to OLT; OLT issues configuration, and the Information Monitoring that the communication module storer is preserved can be uploaded to OLT.
In the intelligent electric meter communication module circuit structure technical scheme with power-off protection function of the utility model; Each wherein included functional module and modular unit all can be corresponding to the particular hardware circuit in the integrated circuit structure; Therefore these modules and unit only utilize hardware circuit just can realize, need not assist with specific Control Software and promptly can realize corresponding function automatically.
Adopted the intelligent electric meter communication module circuit structure with power-off protection function of this utility model, because it also comprises reserve battery, the power supply of described intelligent electric meter connects described reserve battery through charging circuit; This reserve battery connects described power-switching circuit through discharge circuit; Make that this communication module can be under powering-off state, utilize reserve battery with the timely unloading of the data in the internal memory to flash memory, thereby guarantee that effectively internal storage data can not lose under the situation of sudden power; And the intelligent electric meter communication module circuit structure with power-off protection function of the utility model; It is simple in structure, and is with low cost, and range of application is comparatively extensive.
In this instructions, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and the scope of the utility model.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (8)
1. intelligent electric meter communication module circuit structure with power-off protection function; Described intelligent electric meter also comprises power supply, data acquisition module and memory modules, and described data acquisition module is connected in described memory modules, and described communication module circuit structure comprises processor, storer and power-switching circuit; Described storer connects described processor; This processor is through the power supply of described power-switching circuit connection of intelligent ammeter, and this processor is the memory modules of connection of intelligent ammeter also, and described processor is also through the network connection service device; It is characterized in that; Described intelligent electric meter communication module circuit structure also comprises reserve battery, and the power supply of described intelligent electric meter connects described reserve battery through charging circuit, and this reserve battery connects described power-switching circuit through discharge circuit.
2. the intelligent electric meter communication module circuit structure with power-off protection function according to claim 1 is characterized in that described charging circuit comprises a charging chip, and described charging chip is connected between described power supply and the described reserve battery.
3. the intelligent electric meter communication module circuit structure with power-off protection function according to claim 1; It is characterized in that; Described discharge circuit comprises a P channel MOS tube; The source electrode of described P channel MOS tube is connected described reserve battery with drain electrode, and the grid of described P channel MOS tube connects described power-switching circuit.
4. the intelligent electric meter communication module circuit structure with power-off protection function according to claim 1; It is characterized in that; Described power-switching circuit comprises first order conversion electronic circuit and second level conversion electronic circuit, and described power supply is connected described processor through described first order conversion electronic circuit with second level conversion electronic circuit in proper order.
5. the intelligent electric meter communication module circuit structure with power-off protection function according to claim 4 is characterized in that, described reserve battery connects the input end of described second level conversion electronic circuit through discharge circuit.
6. according to each described intelligent electric meter communication module circuit structure in the claim 1 to 5 with power-off protection function; It is characterized in that; Described intelligent electric meter communication module circuit structure also comprises power supply supervisory circuit, and described power supply supervisory circuit is connected between described power supply and the processor.
7. the intelligent electric meter communication module circuit structure with power-off protection function according to claim 6; It is characterized in that; Described power supply supervisory circuit comprises the divider resistance and the voltage monitoring chip of series connection; The input end of described divider resistance connects described power supply, and the output terminal of described voltage monitoring chip connects described processor.
8. the intelligent electric meter communication module circuit structure with power-off protection function according to claim 7 is characterized in that described voltage monitoring chip is the control chip that resets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201681745U CN202512170U (en) | 2012-04-19 | 2012-04-19 | Intelligent ammeter communication module circuit structure having power-off protection function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012201681745U CN202512170U (en) | 2012-04-19 | 2012-04-19 | Intelligent ammeter communication module circuit structure having power-off protection function |
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| CN202512170U true CN202512170U (en) | 2012-10-31 |
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| CN2012201681745U Expired - Fee Related CN202512170U (en) | 2012-04-19 | 2012-04-19 | Intelligent ammeter communication module circuit structure having power-off protection function |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102945210A (en) * | 2012-11-21 | 2013-02-27 | 福州昌晖自动化系统有限公司 | Achieving method for variable storage based on central processing unit (CPU) power failure interruption |
| CN103686017A (en) * | 2013-12-20 | 2014-03-26 | 深圳Tcl新技术有限公司 | Power supply control circuit and method for rapidly starting intelligent device |
| CN103973761A (en) * | 2013-01-29 | 2014-08-06 | 财团法人工业技术研究院 | Management system, smart meter, server, operation method and management method |
| CN104077547A (en) * | 2014-06-25 | 2014-10-01 | 中国电子科技集团公司第三十研究所 | Data power down protection circuit for electronic device |
| CN106095043A (en) * | 2016-06-16 | 2016-11-09 | 成都才智圣有科技有限责任公司 | Intelligent computer power-off data automatic safety device |
| WO2017031696A1 (en) * | 2015-08-25 | 2017-03-02 | 深圳市思达仪表有限公司 | Cpu card prepaid time-sharing electric energy meter system |
| CN106504514A (en) * | 2016-11-04 | 2017-03-15 | 重庆世纪之光科技实业有限公司 | Communication equipment and its power down alarm method |
| WO2022134359A1 (en) * | 2020-12-25 | 2022-06-30 | 威胜集团有限公司 | Novel power supply circuit for electric energy meter, and electric energy meter |
-
2012
- 2012-04-19 CN CN2012201681745U patent/CN202512170U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102945210A (en) * | 2012-11-21 | 2013-02-27 | 福州昌晖自动化系统有限公司 | Achieving method for variable storage based on central processing unit (CPU) power failure interruption |
| CN102945210B (en) * | 2012-11-21 | 2015-12-02 | 福州昌晖自动化系统有限公司 | A kind of implementation method of the variable storage based on CPU power-fail interrupt |
| CN103973761A (en) * | 2013-01-29 | 2014-08-06 | 财团法人工业技术研究院 | Management system, smart meter, server, operation method and management method |
| TWI464411B (en) * | 2013-01-29 | 2014-12-11 | Ind Tech Res Inst | Smart meter and management system and operation method thereof,remote server and operation method thereof,and management method of electric-appliance power characteristics database |
| CN103973761B (en) * | 2013-01-29 | 2017-07-11 | 财团法人工业技术研究院 | Intelligent electric meter, remote server and management method of electric appliance electric power characteristic database |
| US9754329B2 (en) | 2013-01-29 | 2017-09-05 | Industrial Technology Research Institute | Management system, smart meter, server, operation method and management method |
| CN103686017A (en) * | 2013-12-20 | 2014-03-26 | 深圳Tcl新技术有限公司 | Power supply control circuit and method for rapidly starting intelligent device |
| CN104077547A (en) * | 2014-06-25 | 2014-10-01 | 中国电子科技集团公司第三十研究所 | Data power down protection circuit for electronic device |
| WO2017031696A1 (en) * | 2015-08-25 | 2017-03-02 | 深圳市思达仪表有限公司 | Cpu card prepaid time-sharing electric energy meter system |
| CN106095043A (en) * | 2016-06-16 | 2016-11-09 | 成都才智圣有科技有限责任公司 | Intelligent computer power-off data automatic safety device |
| CN106504514A (en) * | 2016-11-04 | 2017-03-15 | 重庆世纪之光科技实业有限公司 | Communication equipment and its power down alarm method |
| WO2022134359A1 (en) * | 2020-12-25 | 2022-06-30 | 威胜集团有限公司 | Novel power supply circuit for electric energy meter, and electric energy meter |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20170419 |