CN201667121U - Power line carrier meter-reading acquisition - Google Patents
Power line carrier meter-reading acquisition Download PDFInfo
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- CN201667121U CN201667121U CN2010201582863U CN201020158286U CN201667121U CN 201667121 U CN201667121 U CN 201667121U CN 2010201582863 U CN2010201582863 U CN 2010201582863U CN 201020158286 U CN201020158286 U CN 201020158286U CN 201667121 U CN201667121 U CN 201667121U
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Abstract
The utility model discloses a power line carrier meter reading acquisition which comprises an outer casing and a collecting circuit. The said collecting circuit comprises a CPU, a carrier communication unit, a RS485 sending and receiving unit, a data storing unit as well as a power unit connecting with the CPU, the carrier communication unit, the RS485 sending and receiving unit, and the data storing unit. The carrier communication unit, the RS485 sending and receiving unit, and the data storing unit are all connected to the CPU. The introduction of an externally structured sliding rail groove of a U shape takes into full considerations the practical requirements for field installation. Delicately designed and more scientifically oriented, the utility model applies for field installation by being arranged on the on-off sliding rail of a user's metering box, which is one of the very advantages of the utility model over the prior art. In the meanwhile, the system programming function of the utility model can ensure a more convenient update without dismounting the meter reading acquisition. Stable and reliable, the utility model is also very practical.
Description
Technical field
The utility model relates to the PLC technology field, relates in particular to a kind of power carrier reading meter collection machine.
Background technology
Along with the develop rapidly of low-voltage power carrier technology, the practical application of carrier communication is come true.The automatic remote kilowatt meter reading-out system is just progressively applied because of it replaces advantage artificial, easy to use.
The carrier meter reading collector is an important step of automatic remote kilowatt meter reading-out system, it can be the power consumption of some user's electric energy meters, collect in the carrier meter reading collector by the pulse data line, on the one hand these power consumptions are stored in the storage unit of collector, so that show and inquiry; Utilize low-voltage power line they to be passed to data concentrator at a distance on the other hand with carrier communication mode.Present domestic power carrier the check meter main dual mode that adopts in the field, the table built-in carrier meter reading mode of meter and the plug-in carrier meter reading mode of table meter.Built-in carrier meter reading module his-and-hers watches family planning is produced producer and is proposed higher requirement, need change table meter internal circuit, rethink Electro Magnetic Compatibility, change production technology or the like, former table meter need be replaced by table meter and install with carrier wave function for the scene, replacing table meter is actually a very complicated process for the enforcement of engineering site, and to carry out carrier meter reading be not too rational so more show to count for the field by using that has put into operation.Therefore external hanging type is because it takes into full account field erected actual requirement, and is easy to use and more and more used.Traditional external hanging type carrier meter reading collector is directly installed on the outside of table case, and the wiring inconvenience influences attractive in appearancely, is destroyed easily, and it is also very unstable to work.
The utility model content
In view of the problems referred to above of prior art, the purpose of this utility model provides a kind of external hanging type power carrier reading meter collection machine, can either be installed in very easily to use the scene, and can carry out function renewal easily, and reliability is higher, and is very practical.
To achieve these goals, the utility model provides a kind of power carrier reading meter collection machine, comprise shell and Acquisition Circuit, it is characterized in that, described Acquisition Circuit comprises CPU (CPU (central processing unit)), carrier communication unit, RS485 Transmit-Receive Unit, data storage cell and the power supply unit that all is connected with described CPU, carrier communication unit, RS485 Transmit-Receive Unit and data storage cell, and described carrier communication unit, RS485 Transmit-Receive Unit and data storage cell all are connected with described CPU.Wherein CPU is used to control each unit, power supply unit is used for power supply, the carrier communication unit information (carrying out data communication by line of electric force) that is used to transmit and receive data, RS485 Transmit-Receive Unit (perhaps pulse input block) is used to insert the data (data acquisition) of ammeter.
As preferably, described Acquisition Circuit also comprises the ISP unit, and described ISP unit is connected with described CPU with described power supply unit.ISP unit (In-System Programming, in-system programming unit) is used to upgrade the control program of CPU, is used for system upgrade.
As preferably, described shell is provided with the U type sliding-rail groove that cooperates with slide rail.Thereby can be installed in very easily on the switch slide rail in the subscriber's meter case, very convenient.
As preferably, described Acquisition Circuit is sealed in the described shell.Hermetically-sealed construction can prevent to destroy.
The beneficial effects of the utility model are: the external hanging type structure of band U type sliding-rail groove takes into full account field erected actual demand, exquisite compact, design according to rig-site utilization fully, more scientific and reasonable, can be installed in the scene of using very easily, promptly be installed on the switch slide rail in the subscriber's meter case, this is the big characteristics that the utility model is different from other products.Simultaneously, the in-system programming function can be finished upgrading easily, need not any dismantlement work, and reliability is higher, and is very practical.
Description of drawings
Fig. 1 is the Acquisition Circuit schematic diagram of the power carrier reading meter collection machine of the utility model embodiment.
Fig. 2 is the power carrier reading meter collection machine external cabling synoptic diagram of Fig. 1.
Fig. 3 is a kind of circuit diagram of the CPU among Fig. 1.
Fig. 4 is a kind of circuit diagram of the carrier communication unit among Fig. 1.
Fig. 5 is a kind of circuit diagram of the RS485 Transmit-Receive Unit among Fig. 1.
Fig. 6 is a kind of circuit diagram of the data storage cell among Fig. 1.
Fig. 7 is a kind of circuit diagram of the power supply unit among Fig. 1.
Fig. 8 is a kind of circuit diagram of the ISP unit among Fig. 1.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, the power carrier reading meter collection machine of present embodiment, comprise shell (not shown) and Acquisition Circuit, described Acquisition Circuit comprises CPU 11 (CPU (central processing unit)), carrier communication unit 12, RS485 Transmit-Receive Unit 13, data storage cell 14 and the power supply unit 15 that all is connected with described CPU11, carrier communication unit 12, RS485 Transmit-Receive Unit 13 and data storage cell 14, and described carrier communication unit 12, RS485 Transmit-Receive Unit 13 and data storage cell 14 all are connected with described CPU 11.Wherein CPU 11 is used to control each unit, power supply unit 15 is used for power supply, carrier communication unit 12 information (carrying out data communication) that is used to transmit and receive data by line of electric force, RS485 Transmit-Receive Unit 13 (perhaps pulse input block) is used to insert the data (data acquisition) of ammeter, and data storage cell 14 is used to store data.
As preferably, described Acquisition Circuit also comprises ISP unit 16, and described ISP unit 16 is connected with described CPU 11 with described power supply unit 15.ISP unit 16 (In-SystemProgramming, in-system programming unit) is used to upgrade the control program of CPU 11, is used for system's online upgrading, therefore need not any dismantlement work, and reliability is higher, and is very practical.
As Fig. 3-shown in Figure 8, provided the power carrier reading meter collection machine of a kind of circuit diagram specific implementation present embodiment of above-mentioned each functional unit, test by actual performance, proof principle design and result are rational, when carrying out the high temperature ageing test by national standard, digestion time all had more 24 hours than national standard, and product is more reliable and more stable.
Whole Acquisition Circuit is sealed in the described shell, to prevent destruction.Have only by part and display unit in case surface, be convenient to operation and observe reading of data.Internal circuit is decided according to EMC country level Four standard on design proposal fully, and circuit design principle (comprising power supply unit, CPU element, storage unit, carrier transmitting-receiving processing unit, RS485 or pulse input block, button and display unit) is succinct and reliable and stable, with low cost and satisfy the actual functional capability needs.Internal circuit has all carried out sufficient demonstration with fastidious on topological design and device are selected, thereby compares stable, reliable, practical more with similar products in the industry.
As preferably, described shell is provided with the U type sliding-rail groove that cooperates with slide rail.Thereby can be installed in very easily on the switch slide rail in the subscriber's meter case, very convenient, need not the installation of engineering is implemented to propose more requirement.
The beneficial effect of the power carrier reading meter collection machine of present embodiment is: the external hanging type structure of band U type sliding-rail groove takes into full account field erected actual demand, exquisite compact, design according to rig-site utilization fully, more scientific and reasonable, can be installed in the scene of using very easily, promptly be installed on the switch slide rail in the subscriber's meter case, this is the big characteristics that the utility model is different from other products.Simultaneously, the in-system programming function can be finished upgrading easily, need not any dismantlement work, and reliability is higher, and is very practical.In addition, the price of the power carrier reading meter collection machine of this enforcement is also very cheap, helps applying.
Above embodiment is an exemplary embodiment of the present utility model only, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the utility model in essence of the present utility model and protection domain, this modification or be equal to replacement and also should be considered as dropping in the protection domain of the present utility model.
Claims (4)
1. power carrier reading meter collection machine, comprise shell and Acquisition Circuit, it is characterized in that, described Acquisition Circuit comprises CPU, carrier communication unit, RS485 Transmit-Receive Unit, data storage cell and the power supply unit that all is connected with described CPU, carrier communication unit, RS485 Transmit-Receive Unit and data storage cell, and described carrier communication unit, RS485 Transmit-Receive Unit and data storage cell all are connected with described CPU.
2. power carrier reading meter collection machine according to claim 1 is characterized in that described Acquisition Circuit also comprises the ISP unit, and described ISP unit is connected with described CPU with described power supply unit.
3. power carrier reading meter collection machine according to claim 1 and 2 is characterized in that, described shell is provided with the U type sliding-rail groove that cooperates with slide rail.
4. power carrier reading meter collection machine according to claim 1 and 2 is characterized in that described Acquisition Circuit is sealed in the described shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201582863U CN201667121U (en) | 2010-04-14 | 2010-04-14 | Power line carrier meter-reading acquisition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201582863U CN201667121U (en) | 2010-04-14 | 2010-04-14 | Power line carrier meter-reading acquisition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201667121U true CN201667121U (en) | 2010-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201582863U Expired - Fee Related CN201667121U (en) | 2010-04-14 | 2010-04-14 | Power line carrier meter-reading acquisition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201667121U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108154675A (en) * | 2017-12-29 | 2018-06-12 | 武汉中原电子信息有限公司 | Electric Power Data Collector and acquisition system |
-
2010
- 2010-04-14 CN CN2010201582863U patent/CN201667121U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108154675A (en) * | 2017-12-29 | 2018-06-12 | 武汉中原电子信息有限公司 | Electric Power Data Collector and acquisition system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20110414 |