CN208110030U - A kind of communication test plate of ammeter communication module - Google Patents
A kind of communication test plate of ammeter communication module Download PDFInfo
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- CN208110030U CN208110030U CN201820721067.8U CN201820721067U CN208110030U CN 208110030 U CN208110030 U CN 208110030U CN 201820721067 U CN201820721067 U CN 201820721067U CN 208110030 U CN208110030 U CN 208110030U
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- communication module
- ammeter
- meter reading
- cpu
- test plate
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Abstract
The utility model discloses a kind of communication test plates of ammeter communication module,The CPU communicated to connect with host computer and the radiofrequency signal coupling unit for converting the signal for carrying meter reading instruction of meter reading terminal are provided on communication test plate,The signal in meter reading terminal is coupled as being sent in ammeter communication module after weak electric signal by radiofrequency signal coupling unit,Meter reading instruction in weak electric signal is sent in CPU by ammeter communication module,And host computer is forwarded to through CPU,Then CPU is forwarded it in ammeter communication module after getting the meter reading data of return,Meter reading terminal is sent to by radiofrequency signal coupling unit by ammeter communication module,To complete the communication test to ammeter communication module,It solves currently in the test of communication module in ammeter,It is tested it is generally necessary to purchase a large amount of true master meter,Lead to the technical problem that cost is excessively high.
Description
Technical field
The utility model relates to ammeter communication test technical field more particularly to a kind of communication tests of ammeter communication module
Plate.
Background technique
With the fast development of smart grid, for replacing the intelligent electric meter (hereinafter referred to as ammeter) of traditional mechanical electricity meter
As the intelligent terminal of smart grid, the developing direction of following energy-conserving intelligent power grid end user's intelligent terminal represent.
Universal with ammeter, more and more ammeters needs come into operation, for the reliable sound development for guaranteeing smart grid, to new
The calibrating and later maintenance of ammeter to be come into operation are more and more important.
Currently to the test of communication module in ammeter, usually uses true master meter and tested.And it uses true
The test that real master meter carries out communication module needs to purchase a large amount of master meter, and cost is excessively high, is unfavorable for communication module
Test popularization.
Utility model content
The utility model discloses a kind of communication test plate of ammeter communication module, solve currently to communicating mould in ammeter
The test of block usually uses true master meter and is tested, thus need to purchase a large amount of master meter, cost mistake
Height, the technical issues of being unfavorable for the popularization of the test of communication module.
The utility model provides a kind of communication test plate of ammeter communication module, including：
CPU, power supply processing circuit and radiofrequency signal coupling unit；
One end of the CPU is connect with host computer, for receiving the instruction and data of host computer；
The radiofrequency signal coupling unit is connect by signal coupler with meter reading terminal, for receiving the meter reading terminal
The radiofrequency signal for being loaded with meter reading instruction after signal coupler conversion sent, and the radiofrequency signal is converted to
Ammeter communication module is sent to after being loaded with the weak electric signal of meter reading instruction；
The ammeter communication module is inserted into the communication test plate, and connect with the CPU, for according to described weak
Electric signal sends meter reading instruction to the CPU, so that the CPU obtains meter reading data from the host computer and is back to described
The meter reading data is sent to described by ammeter communication module, the ammeter communication module by the radiofrequency signal coupling unit
Meter reading terminal；
One end of the power supply processing circuit is connect with the CPU, and the other end is connect with the ammeter communication module, is used for
Corresponding voltage and current is exported to the ammeter communication module according to the control of the CPU.
The communication test plate of ammeter communication module provided by the utility model, further includes having：Light current arranges needle, and the ammeter is logical
Letter module is arranged needle by the light current and is connect with the CPU and the power supply processing circuit.
The communication test plate of ammeter communication module provided by the utility model, further includes having：Forceful electric power arranges needle, the radio frequency letter
Number coupling unit is arranged needle by the forceful electric power and is connect with the ammeter communication module.
The communication test plate of ammeter communication module provided by the utility model, further includes having：Storage unit, the storage are single
It is first to be connect with the CPU, for storing the communication information between the CPU and the host computer.
Preferably, the ammeter communication module sends meter reading instruction to the CPU by RS232 interface.
Preferably, the ammeter communication module is STA module.
As can be seen from the above technical solutions, the utility model has the following advantages that：
It is provided with the CPU communicated to connect with host computer in the utility model and meter reading terminal is carried into meter reading instruction
The radiofrequency signal coupling unit converted of signal, signal will be passed through by radiofrequency signal coupling unit in meter reading terminal coupled
The radiofrequency signal that device carries out after coupling conversion is sent in ammeter communication module after being coupled as weak electric signal, so that ammeter communicates mould
Meter reading instruction in weak electric signal can be sent in CPU by block, and be forwarded to host computer through CPU, and then CPU gets return
Meter reading data after forward it in ammeter communication module, be sent to by ammeter communication module by radiofrequency signal coupling unit
Meter reading terminal；It is finally by meter reading data transmitted by meter reading data and host computer received in verification meter reading terminal
It is no consistent, complete the communication test to ammeter communication module；In the present invention, it is coupled by set radiofrequency signal single
The signal that meter reading terminal issues is sent in ammeter communication module by member after conversion, and utilizes the CPU connecting with host computer
The response for carrying out the meter reading instruction of ammeter communication module transmission allows ammeter communication module that real work scene is copied to carry out
Work, and can be by judging the meter reading data issued in meter reading terminal meter reading data obtained and host computer finally
It is no consistent to judge that ammeter communication module with the presence or absence of abnormal, carries out in entire test process without using to true electric energy meter
Test, it is only necessary to which test can be completed in a set of simple communication test plate connecting with host computer, solves currently in ammeter
The test of communication module usually uses true master meter and is tested, thus need to purchase a large amount of master meter, at
The technical issues of this is excessively high, is unfavorable for the popularization of the test of communication module.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of one embodiment of the communication test plate of ammeter communication module provided by the embodiment of the utility model
Structural schematic diagram；
Fig. 2 is a kind of another embodiment of the communication test plate of ammeter communication module provided by the embodiment of the utility model
Structural schematic diagram.
Specific embodiment
The utility model embodiment discloses a kind of communication test plate of ammeter communication module, solves currently in ammeter
The test of communication module usually uses true master meter and is tested, thus need to purchase a large amount of master meter, at
The technical issues of this is excessively high, is unfavorable for the popularization of the test of communication module.
Referring to Fig. 1, Fig. 1 is the one of a kind of communication test plate of ammeter communication module provided by the embodiment of the utility model
The structural schematic diagram of a embodiment.
A kind of one embodiment of the communication test plate of the ammeter communication module provided in the utility model embodiment includes：
CPU 1, power supply processing circuit 2 and radiofrequency signal coupling unit 3.One end of CPU 1 is connect with host computer 4, is used for
Receive the instruction and data of host computer 4；Radiofrequency signal coupling unit 3 is connect by signal coupler 5 with meter reading terminal 6, is used for
The radiofrequency signal for being loaded with meter reading instruction after the conversion of signal coupler 5 that meter reading terminal 6 is sent is received, and by radiofrequency signal
Ammeter communication module 7 is sent to after being converted to the weak electric signal for being loaded with meter reading instruction.It should be noted that ammeter communication module 7
It can be STA (station) module.
Wherein, ammeter communication module 7 is inserted into communication test plate, and is connect with CPU 1, for being sent out according to weak electric signal
Send meter reading instruction to CPU 1, so that CPU 1 obtains meter reading data from host computer 4 and is back to ammeter communication module 7, ammeter
Meter reading data is sent to meter reading terminal 6 by radiofrequency signal coupling unit 3 by communication module 7；
One end of power supply processing circuit 2 is connect with CPU 1, and the other end is connect with ammeter communication module 7, for according to CPU
1 control exports corresponding voltage and current to ammeter communication module 7.
Referring to Fig. 2, Fig. 2 is a kind of the another of communication test plate of ammeter communication module provided by the embodiment of the utility model
The structural schematic diagram of one embodiment.
Further, for the ease of the connection of realization ammeter communication module 7 and communication test intralamellar part component, this is practical new
The communication test plate for the ammeter communication module 7 that type provides, further includes having：Light current arranges needle 8, and ammeter communication module 7 is arranged by light current
Needle 8 is connect with CPU 1 and power supply processing circuit 2.It is understood that light current row's needle 8 can be welded in communication test plate
Portion, effect mainly at the place of being blocked in circuit or isolate between obstructed circuit, play the function of bridge, shoulder electric current
Or the task of signal transmission, that is, the connection being responsible between ammeter communication module 7 and CPU 1 and power supply processing circuit 2.It is understood that
, ammeter communication module 7 can pass through RS232 interface and send meter reading instruction to CPU 1, i.e. ammeter communication module 7 and light current
It arranges and is connected between needle 8 by RS232 interface, and be also to be attached by RS232 interface between light current row's needle 8 and CPU1, with
Realize the transmission of signal and data.
In addition, the communication test plate of ammeter communication module 7 provided by the utility model, further includes having：Forceful electric power arranges needle 9, penetrates
Frequency signal coupling unit 3 is arranged needle 9 by forceful electric power and is connect with ammeter communication module 7.
Further, for the ease of the communication connection between realization CPU 1 and host computer 4, electricity provided by the utility model
The communication test plate of table communication module 7, further includes having：Storage unit 10, storage unit 10 is connect with CPU 1, for storing CPU
The communication information between 1 and host computer 4.
The above are the structure institute to a kind of communication test plate of ammeter communication module provided by the embodiment of the utility model into
Capable detailed description, in order to make it easy to understand, below carrying out the concrete operating principle of the communication test plate to ammeter communication module
Detailed description.
It before needing to test ammeter communication module 7, first powers on to communication test plate, is powered in communication test plate
Afterwards, CPU 1 enters normal operating conditions, and the power supply processing circuit 2 connecting at this time with CPU 1 is in default conditions.It should be noted that
, the CPU being different from the circuit board of conventional true ammeter, the CPU 1 in communication test plate is without carrying out energy data
Acquisition.After ammeter communication module 7 is inserted into the kerve of communication test plate, the host computer 4 connecting with CPU 1 is according to test
It needs to send corresponding instruction to CPU 1, exports required voltage and current so that CPU 1 can control power supply processing circuit 2 and make
Ammeter communication module 7 is in running order or partial function is in running order.
When being tested, meter reading terminal 6 sends out the carrier signal for carrying meter reading instruction, and carrier signal is coupled through signal
Device 5 is converted into radiofrequency signal and is transmitted.It is understood that during the test, can be needed according to test in radio frequency
The interference signals such as impedance, noise are added in the transmission process of signal, in order to simulate actual communication environment.It is reached in radiofrequency signal
After communication test plate, radiofrequency signal is converted to by weak electric signal by radiofrequency signal coupling unit 3 and is sent to ammeter communication mould
Block 7.After ammeter communication module 7 receives the weak electric signal for carrying meter reading instruction, by RS232 interface by meter reading instruction
It is sent to CPU 1.At this point, meter reading instruction is directly forwarded in host computer 4 by CPU 1.Host computer 4 receive meter reading instruction it
Afterwards, meter reading instruction is analyzed, and the corresponding meter reading data for generating emulation is back to CPU 1.CPU 1 receives return
Meter reading data after, meter reading data is directly transmitted to ammeter communication module 7, is led to meter reading data by ammeter communication module 7
Radiofrequency signal coupling unit 3 is crossed to be sent on the meter reading terminal 6 connecting with signal coupler 5.Finally, can be in meter reading terminal 6
On find ammeter communication module 7 return meter reading data, and can by meter reading terminal 6 meter reading data and host computer 4
The meter reading data actually returned compares, if the two is consistent, the ammeter communication module 7 tested is normal；If the two is different
It causes or meter reading terminal 6 does not receive corresponding meter reading data, then the ammeter communication module 7 tested is faulty.
It is provided with the CPU communicated to connect with host computer in the utility model and meter reading terminal is carried into meter reading instruction
The radiofrequency signal coupling unit converted of signal, signal will be passed through by radiofrequency signal coupling unit in meter reading terminal coupled
The radiofrequency signal that device carries out after coupling conversion is sent in ammeter communication module after being coupled as weak electric signal, so that ammeter communicates mould
Meter reading instruction in weak electric signal can be sent in CPU by block, and be forwarded to host computer through CPU, and then CPU gets return
Meter reading data after forward it in ammeter communication module, be sent to by ammeter communication module by radiofrequency signal coupling unit
Meter reading terminal；It is finally by meter reading data transmitted by meter reading data and host computer received in verification meter reading terminal
It is no consistent, complete the communication test to ammeter communication module；In the present invention, it is coupled by set radiofrequency signal single
The signal that meter reading terminal issues is sent in ammeter communication module by member after conversion, and utilizes the CPU connecting with host computer
The response for carrying out the meter reading instruction of ammeter communication module transmission allows ammeter communication module that real work scene is copied to carry out
Work, and can be by judging the meter reading data issued in meter reading terminal meter reading data obtained and host computer finally
It is no consistent to judge that ammeter communication module with the presence or absence of abnormal, carries out in entire test process without using to true electric energy meter
Test, it is only necessary to which test can be completed in a set of simple communication test plate connecting with host computer, solves currently in ammeter
The test of communication module usually uses true master meter and is tested, thus need to purchase a large amount of master meter, at
The technical issues of this is excessively high, is unfavorable for the popularization of the test of communication module.
A kind of communication test plate of ammeter communication module provided by the utility model is described in detail above, it is right
In those of ordinary skill in the art, based on the idea of the embodiment of the present invention, in specific embodiments and applications
There will be changes, in conclusion the content of the present specification should not be construed as a limitation of the present invention.
Claims (6)
1. a kind of communication test plate of ammeter communication module, which is characterized in that including：
CPU, power supply processing circuit and radiofrequency signal coupling unit；
One end of the CPU is connect with host computer, for receiving the instruction and data of host computer；
The radiofrequency signal coupling unit is connect by signal coupler with meter reading terminal, is sent for receiving the meter reading terminal
The radiofrequency signal for being loaded with meter reading instruction after signal coupler conversion, and the radiofrequency signal is converted to and is loaded with
Ammeter communication module is sent to after the weak electric signal of meter reading instruction；
The ammeter communication module is inserted into the communication test plate, and connect with the CPU, for being believed according to the light current
Number send meter reading instruction to the CPU so that the CPU obtains meter reading data from the host computer and is back to the ammeter
The meter reading data is sent to the meter reading by the radiofrequency signal coupling unit by communication module, the ammeter communication module
Terminal；
One end of the power supply processing circuit is connect with the CPU, and the other end is connect with the ammeter communication module, is used for basis
The control of the CPU exports corresponding voltage and current to the ammeter communication module.
2. the communication test plate of ammeter communication module according to claim 1, which is characterized in that further include having：Light current row
Needle, the ammeter communication module are arranged needle by the light current and are connect with the CPU and the power supply processing circuit.
3. the communication test plate of ammeter communication module according to claim 1, which is characterized in that further include having：Forceful electric power row
Needle, the radiofrequency signal coupling unit are arranged needle by the forceful electric power and are connect with the ammeter communication module.
4. the communication test plate of ammeter communication module according to claim 1, which is characterized in that further include having：Storage is single
Member, the storage unit are connect with the CPU, for storing the communication information between the CPU and the host computer.
5. the communication test plate of ammeter communication module according to claim 1, which is characterized in that the ammeter communication module
Meter reading instruction is sent to the CPU by RS232 interface.
6. according to claim 1 to the communication test plate of ammeter communication module described in 5 any one, which is characterized in that described
Ammeter communication module is STA module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820721067.8U CN208110030U (en) | 2018-05-15 | 2018-05-15 | A kind of communication test plate of ammeter communication module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820721067.8U CN208110030U (en) | 2018-05-15 | 2018-05-15 | A kind of communication test plate of ammeter communication module |
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| Publication Number | Publication Date |
|---|---|
| CN208110030U true CN208110030U (en) | 2018-11-16 |
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ID=64114837
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820721067.8U Active CN208110030U (en) | 2018-05-15 | 2018-05-15 | A kind of communication test plate of ammeter communication module |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111060727A (en) * | 2020-01-15 | 2020-04-24 | 广东电网有限责任公司电力科学研究院 | Electric energy meter |
| CN112769637A (en) * | 2020-12-15 | 2021-05-07 | 科陆国际技术有限公司 | Ammeter data forwarding method, device and system, electronic equipment and storage medium |
-
2018
- 2018-05-15 CN CN201820721067.8U patent/CN208110030U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111060727A (en) * | 2020-01-15 | 2020-04-24 | 广东电网有限责任公司电力科学研究院 | Electric energy meter |
| CN112769637A (en) * | 2020-12-15 | 2021-05-07 | 科陆国际技术有限公司 | Ammeter data forwarding method, device and system, electronic equipment and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200121 Address after: 510000 room 501-503, annex building, Huaye building, No.1-3, Chumo new street, Xihua Road, Yuexiu District, Guangzhou City, Guangdong Province Patentee after: Guangdong Electric Power Research Institute of energy technology limited liability company Address before: 510080 Dongfeng East Road, Dongfeng, Guangdong, Guangzhou, Zhejiang Province, No. 8 Patentee before: ELECTRIC POWER RESEARCH INSTITUTE, GUANGDONG POWER GRID CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 501-503, annex building, Huaye building, No.1-3 Chuimao new street, Xihua Road, Yuexiu District, Guangzhou City, Guangdong Province 510000 Patentee after: China Southern Power Grid Power Technology Co.,Ltd. Address before: Room 501-503, annex building, Huaye building, No.1-3 Chuimao new street, Xihua Road, Yuexiu District, Guangzhou City, Guangdong Province 510000 Patentee before: GUANGDONG ELECTRIC POWER SCIENCE RESEARCH INSTITUTE ENERGY TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |