CN203325179U - Circuit structure of multi-interface power meter reading terminal - Google Patents
Circuit structure of multi-interface power meter reading terminal Download PDFInfo
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- CN203325179U CN203325179U CN2013202811238U CN201320281123U CN203325179U CN 203325179 U CN203325179 U CN 203325179U CN 2013202811238 U CN2013202811238 U CN 2013202811238U CN 201320281123 U CN201320281123 U CN 201320281123U CN 203325179 U CN203325179 U CN 203325179U
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Abstract
The utility model discloses a circuit structure of a multi-interface power meter reading terminal. The circuit structure can support multiple external connections, is complete in functions and can meet various service demands of a power industry; functional modules are allocated flexibly; the shortcomings, which are caused by fixed connection, that the cost of a product is increased due to a useless functional module, the structure of the product is complicated, the reliability of the product, and the like is affected are overcome. The circuit structure comprises a CPU (central processing unit) module, a clock module and a power supply, wherein the CPU module is connected with the clock module and the power supply and is also provided with a public network communication module interface, a non-contact IC (integrated chip) card reading module interface, a WIFI (wireless fidelity) wireless transmission module interface, a Bluetooth data transmission module interface, an SD (secure digital memory) card reading module interface, an Ethernet module interface, a voice module interface, an encryption module interface and a human-machine interaction interface device interface; the CPU module comprises a CPU system, a CPU peripheral circuit and an external storage device.
Description
Technical field
The utility model relates to a kind of meter copying device, relates in particular to a kind of electric meter reading terminal circuit structure with many interfaces for watt-hour meter.
Background technology
Meter reading terminal is checked meter and is compared with traditionally on paper, has outstanding advantages such as economizing on resources, stop data mistranscription, work efficiency height.But it is multiple that the metering way of output of watt-hour meter also has for the cooperation meter reading terminal reads, simultaneously for meter reading terminal is connected with the database of remote management platform, different modes is also arranged because transmission environment is different.Therefore, general meter reading terminal or interface is bad adaptability less, can not meet the multiple business demand of power industry, several functions is rolled into one, make meter reading terminal structure very complex, cause the meter reading terminal cost of products to rise, and affected its functional reliability.
Within open day, be that the patent documentation that on 09 12nd, 2012, publication number are CN202434038U discloses such technical scheme, a kind of Wireless power meter reading system, comprise ammeter data collector and ammeter data concentrator, the ammeter data collector comprises power module, single-chip microcomputer and the first radio frequency transmission module, single-chip microcomputer is for gathering ammeter data, and by the first radio frequency transmission module, ammeter data being sent to the ammeter data concentrator with the form of radio signal, the ammeter data concentrator sends to remote platform by the GPRS module after will ammeter data processing.The weak point of this technical scheme is, homemade ammeter data collector need to be installed on watt-hour meter, and need set up the area data concentrator, has high input, installs inconvenience, and single with the connected mode of management platform, and the peripheral hardware that can support very little.Therefore, its adaptability is poor.
Summary of the invention
The utility model fundamental purpose is to provide a kind of many interfaces electric meter reading terminal circuit structure, and it can support multiple peripheral hardware to connect, and complete function can meet the multiple business demand of power industry.
The utility model is mainly solved by following technical proposals for the prior art problem, a kind of many interfaces electric meter reading terminal circuit structure, comprise the CPU module, clock module and power supply, the CPU module connects clock module and power supply, the CPU module also is provided with common network communication module interface, non-contact IC card card reading module interface, WIFI wireless transport module interface, blue-teeth data transport module interface, SD card card reading module interface, the ethernet module interface, the voice module interface, encrypting module interface and human-computer interaction interface device interface, the CPU module comprises cpu system, CPU peripheral circuit and external storage.
In this technical scheme, take the CPU module as core, the interface of the ammeter measuring data read modules such as non-contact IC card card reading module interface, WIFI wireless transport module interface, blue-teeth data transport module interface, SD card card reading module interface is set on the CPU module, and the common network communication module interface used of telecommunication, voice module interface that information indicating is used, to far-end transmission data provide secure cryptographic algorithm encrypting module interface, human-computer interaction interface device interface, the ethernet module interface of network management etc. is provided.Wherein, clock module provides real-time clock, and to overcome, the software clock error is large, the defect such as clock setting trouble after power down; Cpu system comprises CPU, clock source, resets and the bus control logic circuit, and the CPU peripheral circuit comprises ROM, RAM, I/O mouth and function register circuit etc.In use as required, connect each functional module on the CPU module, so that abundant peripheral hardware linkage function to be provided, meet the multiple business demand.
As preferably, the human-computer interaction interface device interface comprises LCDs interface and keystroke interface, and LCDs interface and keystroke interface are separately positioned on the CPU module.LCDs directly is connected on the LCDs interface, and button directly is connected on keystroke interface, for information shows and parameter setting, modification provide interactive interface.
As preferably, common network communication module interface comprises GPRS communication module interface and cdma communication module interface, and GPRS communication module interface and cdma communication module interface are separately positioned on the CPU module.For telemanagement and data transmission provide passage.
As preferably, the CPU module also is provided with debugging interface.Conveniently each connected functional module is carried out to the operations such as artificial debugging, fault diagnosis when going wrong.
As preferably, external storage is the Flash storer.Select larger capacity Flash storer, store the ammeter measuring data that read, also can save the storer installing space.
The beneficial effect that the utility model brings is, can support multiple peripheral hardware to connect, complete function, can meet the multiple business demand of power industry, and functional module flexible configuration, can be increased and decreased as required, having overcome the useless functional module that the mode that is fixedly connected with brings increases cost of products, complex structure, affects the defect such as product reliability.
The accompanying drawing explanation
Fig. 1 is a kind of theory diagram of the present utility model.
In figure: the 1st, CPU module, the 2nd, common network communication module interface, the 21st, GPRS communication module interface, the 22nd, cdma communication module interface, the 3rd, clock module, the 4th, non-contact IC card card reading module interface, the 5th, WIFI wireless transport module interface, the 6th, blue-teeth data transport module interface, the 7th, SD card card reading module interface, the 8th, the human-computer interaction interface device interface, the 81st, the LCDs interface, the 82nd, keystroke interface, the 9th, the ethernet module interface, the 10th, the encrypting module interface, the 11st, the voice module interface, 12 debugging interfaces, the 13rd, power supply.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described in detail.
Embodiment: as shown in Figure 1, the utility model is a kind of many interfaces electric meter reading terminal circuit structure.CPU module 1 comprises cpu system, CPU peripheral circuit and external storage; Common network communication module interface 2 comprises GPRS communication module interface 21, cdma communication module interface 22; Human-computer interaction interface device interface 8 comprises LCDs interface 81, keystroke interface 82, and wherein the liquid crystal display driving circuit is arranged on CPU module 1; CPU module 1 connects clock module 3 and power supply 13, and GPRS communication module interface 21, cdma communication module interface 22, non-contact IC card card reading module interface 4, WIFI wireless transport module interface 5, blue-teeth data transport module interface 6, SD card card reading module interface 7, LCDs interface 81, keystroke interface 82, ethernet module interface 9, encrypting module interface 10, voice module interface 11 and debugging interface 12 are set on CPU module 1.
During use, each functional module of pegging graft on CPU module 1 according to service needed, and open the power supply 13 that connects CPU module 1, for CPU module 1 provides power supply with the functional module that interface, interface are connected.
Claims (5)
1. the circuit structure of interface electric meter reading terminal more than a kind, it is characterized in that: comprise the CPU module, clock module and power supply, described CPU module connects clock module and power supply, described CPU module also is provided with common network communication module interface, non-contact IC card card reading module interface, WIFI wireless transport module interface, blue-teeth data transport module interface, SD card card reading module interface, the ethernet module interface, the voice module interface, encrypting module interface and human-computer interaction interface device interface, described CPU module comprises cpu system, CPU peripheral circuit and external storage.
2. according to claim 1 a kind of many interfaces electric meter reading terminal circuit structure, it is characterized in that: described human-computer interaction interface device interface comprises LCDs interface and keystroke interface, and described LCDs interface and keystroke interface are separately positioned on described CPU module.
3. according to claim 1 a kind of many interfaces electric meter reading terminal circuit structure, it is characterized in that: described common network communication module interface comprises GPRS communication module interface and cdma communication module interface, and described GPRS communication module interface and cdma communication module interface are separately positioned on described CPU module.
4. according to claim 1 or 2 or 3 described a kind of many interfaces electric meter reading terminal circuit structures, it is characterized in that: described CPU module also is provided with debugging interface.
5. according to claim 1 a kind of many interfaces electric meter reading terminal circuit structure, it is characterized in that: described external storage is the Flash storer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202811238U CN203325179U (en) | 2013-05-22 | 2013-05-22 | Circuit structure of multi-interface power meter reading terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202811238U CN203325179U (en) | 2013-05-22 | 2013-05-22 | Circuit structure of multi-interface power meter reading terminal |
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| Publication Number | Publication Date |
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| CN203325179U true CN203325179U (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013202811238U Expired - Fee Related CN203325179U (en) | 2013-05-22 | 2013-05-22 | Circuit structure of multi-interface power meter reading terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105303809A (en) * | 2015-12-04 | 2016-02-03 | 中国电力科学研究院 | Modularized terminal structure used for power utilization information acquisition system |
| CN106228783A (en) * | 2016-07-28 | 2016-12-14 | 宁波天鑫仪表有限公司 | A kind of wireless data concentrated collection device |
-
2013
- 2013-05-22 CN CN2013202811238U patent/CN203325179U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105303809A (en) * | 2015-12-04 | 2016-02-03 | 中国电力科学研究院 | Modularized terminal structure used for power utilization information acquisition system |
| CN106228783A (en) * | 2016-07-28 | 2016-12-14 | 宁波天鑫仪表有限公司 | A kind of wireless data concentrated collection device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20180522 |