CN207601175U - A kind of non-formula of registering one's residence is visited one house after another examination device - Google Patents
A kind of non-formula of registering one's residence is visited one house after another examination device Download PDFInfo
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- CN207601175U CN207601175U CN201721681465.3U CN201721681465U CN207601175U CN 207601175 U CN207601175 U CN 207601175U CN 201721681465 U CN201721681465 U CN 201721681465U CN 207601175 U CN207601175 U CN 207601175U
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Abstract
The utility model is related to the technical fields of power check device, more specifically, it is related to a kind of non-formula of registering one's residence to visit one house after another examination device, slave device including being used to work out the host apparatus of shortwave message and for detecting signal attenuation change in circuit, the host apparatus is electrically connected with electric energy meter by conducting wire, and the host apparatus is communicated to connect with the slave device.The utility model sends out signal after circuit amplifies and filters by the slave device reception close to signal source by power line transmission host apparatus, the attenuation change of signal in slave device detection circuit, when test object is target user, slave device can drive buzzer to prompt staff, it sends someone to be in without user or into access customer man, can confirm electric energy meter and the correspondence of user power utilization without power-off.
Description
Technical field
The utility model is related to the technical field of power check device, visit one house after another row more particularly, to a kind of non-formula of registering one's residence
Look into device.
Background technology
As urban planning constantly extends, newly-built community increasingly increases, and for city neighborhood, the mounting means of ammeter is big
It is all installed concentratedly as unit of unit building number or floor number, convenient for construction management.But due to there are the originals such as construction confusion, stealing
Cause, intelligent meter will appear wiring error or occur to open by period rotation electric energy meter process carrying out electric energy meter in the process of running
Hat Lee, which wears, causes mistake to collect charges for electricity and stop the problems such as wrong electricity by customer complaint or generation arrearage.
At present, the complaint general user for handling this respect is in while needs to verify in into access customer man, negative by drawing, closing
The method of lotus switch determines whether wrongly installed table or miscopies table.However, by drawing, closing the method for on-load switch it is possible that drawing wrong other
User's switch causes new complaint, and measures the method for load current by clamp on amperemeter it some times happens that erroneous judgement, this is to occupying
People's livelihood work is affected, and complains also with increasing, so as to affect power supply quality.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, a kind of non-formula of registering one's residence is provided and is visited one house after another examination device,
Signal is sent out by power line transmission host apparatus to be received by slave device, sends someone to be in without user or into access customer man,
It can confirm electric energy meter and the correspondence of user power utilization without power-off.
In order to solve the above technical problems, the technical solution adopted in the utility model is:
It provides a kind of non-formula of registering one's residence to visit one house after another examination device, including being used to work out the host apparatus of shortwave message and for visiting
The slave device of signal attenuation change in survey line road, the host apparatus are electrically connected with electric energy meter by conducting wire, the host dress
It puts and is communicated to connect with the slave device:
The host apparatus includes power circuit and the carrier modulation coding module being connect with power circuit, digital-to-analogue conversion
Module, signal condition driving circuit and signal feedback net device, the carrier modulation coding module, D/A converter module, signal
Conditioning driving circuit and signal feedback net device sequentially communicate to connect, and the signal feedback net device is electrically connected with the service wire.
The slave device includes power module and the detection/demodulation module and master control mould that are electrically connected with power module
Block, the detection/demodulation module are communicated to connect with the host apparatus, and the main control module leads to the detection/demodulation module
Letter connection.
The non-formula of registering one's residence of the utility model is visited one house after another examination device, is generated by the carrier modulation coding module of host apparatus short
Wave message signals, shortwave message signals are converted into high-frequency signal through D/A converter module, signal condition driving circuit and are injected into
Service wire is sealed in user family;Signal attenuation change in circuit is detected by slave device, the signal detected is through detection/demodulation
Module prevents other interference signals from being mixed into circuit, and whether the signal measured by the main control module analysis of slave device is that target is believed
Number.The utility model is received by the signal that power line transmission host is sent out by the slave device close to signal source, without user
It sends someone to be in or enter in user family, can confirm ammeter or switch and the correspondence of user power utilization, energy without power-off
It is enough effectively to solve the problems, such as to visit one house after another.
Preferably, status indicator LED lamp, clock circuit, MCU interactive modules are connected on the carrier modulation coding module
And Flash program memory module, the MCU interactive modules, Flash program memory module and the carrier modulation coding module
Two-way communication link, the clock circuit are connected to the input terminal of the carrier modulation coding module, the status indicator LED lamp
It is connected to the output terminal of the carrier modulation coding module.Clock circuit, MCU interactive modules and Flash program memory module
The specific shortwave message of establishment of carrier modulation coding module is controlled, prevents slave device from detecting spurious signal when detecting, together
When the high frequency electrocardiography of generation is sealed in service wire in user family, while the working condition of carrier modulation coding module is by shape
State indication LED lamp is shown.
Preferably, the human-computer interaction being connected in the MCU interactive modules for the information transmission between interactive device connects
Mouthful.The setting of human-computer interaction interface realizes that the information of computer and human-computer interaction device are transmitted.
Preferably, the host apparatus further includes power-sensing circuit, and the power-sensing circuit is electrically connected to the letter
Number between conditioning driving circuit and the MCU interactive modules.Power-sensing circuit is used for the power in detection circuit, and will detection
As a result carrier modulation coding module is uploaded to by MCU interactive modules.
Preferably, the detection/demodulation module includes signal receiving module, filtering pre-selection module, signal amplification module, inspection
Wave module and demodulation module, the filtering pre-selection module are connected to the input terminal of the signal amplification module, the detection mould
Block, the demodulation module are connected to the output terminal of the signal amplification module.Signal receiving module is received from host apparatus
Signal, filtered pre-selection module prevent other interference signals from being mixed into circuit, and signal is after amplification, detection or demodulation by signal transmission
It is analyzed and processed to main control module;And the message recognition mechanism of host apparatus ensures the unique of echo signal in narrow band signal
Property, main control module recognizer and whether be that the power of echo signal and signal all clearly shows that by the signal measured
Come.
Preferably, it is connected with frequency-selecting module between the detection module and the signal amplification module.Detection/demodulation module
After receiving the signal from host apparatus, filtered pre-selection module chooses the signal in the range of certain frequency, amplifies mould through signal
Through choosing the signal of some specific frequency by frequency-selecting module after block amplification, and it is uploaded to main control module and is analyzed and processed.
Preferably, local oscillator DDS module is connected on the demodulation module, the local oscillator DDS module controls mould with the MCU
It is communicated to connect between block by bluetooth module.The digital signal that MCU control module exports is converted into analog signal by local oscillator DDS module
And by analog signal transmission to demodulation module.
Preferably, the detection module includes AD8310 wave detectors, and the demodulation module includes MC3361 frequency modulation chips.
AD8310 is a kind of high speed voltage output type logafier, and the frequency range of DC to 440MHz can be demodulated;MC3361
Frequency modulation built-in chip type has monolithic narrow-band FM receiving circuit, low in energy consumption.
Preferably, the main control module includes MCU control module and the acquisition being connected in MCU control module electricity
Road, display module, buzzer and battery capacity indication module.The echo signal of Acquisition Circuit acquisition electric energy meter is simultaneously stored in MCU controls
In molding block, the signal from host apparatus of reception is compared MCU control module with echo signal, and will detect
Signal real-time display is on display module, if the signal of detection is echo signal, MCU control module control buzzer warning carries
Show staff.
Compared with prior art, the beneficial effects of the utility model are:
The non-formula of registering one's residence of the utility model is visited one house after another examination device, host apparatus and use including being used to work out shortwave message
In the slave device for detecting signal attenuation change in circuit, the host apparatus is electrically connected with electric energy meter by conducting wire, the master
Machine device is communicated to connect with the slave device.The utility model sends out signal by power line transmission host apparatus and is put through circuit
It is received after big and filtering by the slave device close to signal source, sends someone to be in without user or into access customer man, without disconnected
Electricity can confirm electric energy meter and the correspondence of user power utilization.
Description of the drawings
Fig. 1 be the utility model the non-formula of registering one's residence visit one house after another examination device host apparatus electrical schematic diagram.
Fig. 2 be the non-formula of registering one's residence visit one house after another examination device slave device electrical schematic diagram.
Specific embodiment
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram rather than pictorial diagram, it is impossible to be interpreted as the limitation to this patent;In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product;To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment;In this practicality
In novel description, it is to be understood that if thering is the orientation of the instructions such as term " on ", " under ", "left", "right" or the position relationship to be
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description rather than instruction
Or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore retouched in attached drawing
State the term of position relationship only for illustration, it is impossible to the limitation to this patent is interpreted as, for the common skill of this field
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment 1
It visits one house after another the first embodiment of examination device for the non-formula of registering one's residence of the utility model as shown in Figure 1 to Figure 2, including being used for
Work out the host apparatus of shortwave message and the slave device for detecting signal attenuation change in circuit, host apparatus and electric energy
Table is electrically connected by conducting wire, and host apparatus is communicated to connect with slave device:Host apparatus is electric including power circuit and with power supply
Carrier modulation coding module, D/A converter module, signal condition driving circuit and the signal feedback net device of road connection, carrier wave tune
Coding module processed, D/A converter module, signal condition driving circuit and signal feedback net device sequentially communicate to connect, signal feedback net
Device is electrically connected with service wire;Slave device include power module and detection/demodulation module for being electrically connected with power module and
Main control module, detection/demodulation module are communicated to connect with host apparatus, and main control module is communicated to connect with detection/demodulation module.This reality
It applies example and shortwave message signals is generated by the carrier modulation coding module of host apparatus, shortwave message signals are through digital-to-analogue conversion mould
Block, signal condition driving circuit are converted into high-frequency signal and are injected into service wire and seal in user family;It is detected by slave device
Signal attenuation change in circuit, the signal detected prevent other interference signals from being mixed into circuit through detection/demodulation module, by from
Whether the signal that the main control module analysis of machine device measures is echo signal.
Specifically, it is handed over as shown in Figure 1, being connected with status indicator LED lamp, clock circuit, MCU on carrier modulation coding module
Mutual module and Flash program memory module, MCU interactive modules, Flash program memory module and carrier modulation coding module are double
To communication connection, clock circuit is connected to the input terminal of carrier modulation coding module, and status indicator LED lamp is connected to carrier modulation
The output terminal of coding module;Carrier modulation coding module works out specific shortwave message, prevents slave device from being detected when detecting
Spurious signal, while the high frequency electrocardiography of generation is sealed in service wire in user family.It is connected with and is used in MCU interactive modules
The human-computer interaction interface of information transmission between interactive device, is connected between signal condition driving circuit and MCU interactive modules
Power-sensing circuit, the power in detection circuit, and testing result is uploaded into carrier modulation by MCU interactive modules and encodes mould
Block.
As shown in Fig. 2, detection/demodulation module includes signal receiving module, filtering pre-selection module, signal amplification module, inspection
Wave module and demodulation module, filtering pre-selection module are connected to the input terminal of signal amplification module, and detection module, demodulation module connect
It is connected to the output terminal of signal amplification module;Frequency-selecting module is connected between detection module and signal amplification module, on demodulation module
Local oscillator DDS module is connected with, is communicated to connect between local oscillator DDS module and MCU control module by bluetooth module;Main control module includes
MCU control module and the Acquisition Circuit being connected in MCU control module, display module, buzzer and battery capacity indication module.
Detection module in the present embodiment includes AD8310 wave detectors, and demodulation module includes MC3361 frequency modulation chips, signal receiving module
For antenna.
When implementing, the echo signal of Acquisition Circuit acquisition electric energy meter is simultaneously stored in MCU control module the present embodiment,
The signal from host apparatus of reception is carried out the processing such as pre-selection filtering, frequency-selecting, detection, demodulation and filters it by MCU control module
It after his interference signal, is compared with echo signal, and by the signal real-time display detected on display module, if detection
When signal is echo signal, MCU control module control buzzer warning prompting staff.
The application method of the present embodiment is as follows:
The power cord of host apparatus is connected to electric energy meter first to register one's residence in line terminals, starting device sends out carrier signal, edge
The direction of electric energy meter to user are oriented transmission;It is attached to doubtful transmission user doorway that subsequent staff holds detection device
Closely, slave device can sense the attenuation change of signal in circuit;Finally by slave device to received signal with setting
Algorithm is analyzed and processed, and whether accurate judgement user is the corresponding user of tested electric energy meter;If test object is purpose user
When, slave device is by driving buzzer to prompt staff.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made within the spirit and principles of the present invention etc., should be included in
Within the protection domain of the utility model claims.
Claims (9)
- The examination device 1. a kind of non-formula of registering one's residence is visited one house after another, which is characterized in that including be used to work out shortwave message host apparatus and For detecting the slave device of signal attenuation change in circuit, the host apparatus is electrically connected with electric energy meter by service wire, institute Host apparatus is stated to communicate to connect with the slave device:The host apparatus includes power circuit and the carrier modulation coding module, the digital-to-analogue conversion mould that are connect with power circuit Block, signal condition driving circuit and signal feedback net device, the carrier modulation coding module, D/A converter module, signal tune Reason driving circuit and signal feedback net device sequentially communicate to connect, and the signal feedback net device is electrically connected with service wire;The slave device includes power module and the detection/demodulation module and main control module that are electrically connected with power module, institute It states detection/demodulation module to communicate to connect with the host apparatus, the main control module and the detection/demodulation module communication link It connects.
- The examination device 2. the non-formula of registering one's residence according to claim 1 is visited one house after another, which is characterized in that the carrier modulation coding module On be connected with status indicator LED lamp, clock circuit, MCU interactive modules and Flash program memory module, the MCU interacts mould Block, Flash program memory module and the carrier modulation coding module two-way communication link, the clock circuit are connected to described The input terminal of carrier modulation coding module, the status indicator LED lamp are connected to the output terminal of the carrier modulation coding module.
- The examination device 3. the non-formula of registering one's residence according to claim 2 is visited one house after another, which is characterized in that connect in the MCU interactive modules It is connected to the human-computer interaction interface for the information transmission between interactive device.
- The examination device 4. the non-formula of registering one's residence according to claim 2 is visited one house after another, which is characterized in that the host apparatus further includes work( Rate detection circuit, the power-sensing circuit are electrically connected between the signal condition driving circuit and the MCU interactive modules.
- The examination device 5. the non-formula of registering one's residence according to claim 1 is visited one house after another, which is characterized in that the detection/demodulation module packet Include signal receiving module, filtering pre-selection module, signal amplification module, detection module and demodulation module, the pre- modeling of filtering Block is connected to the input terminal of the signal amplification module, and the detection module, the demodulation module are connected to the signal amplification The output terminal of module.
- The examination device 6. the non-formula of registering one's residence according to claim 5 is visited one house after another, which is characterized in that the detection module and the letter Frequency-selecting module is connected between number amplification module.
- The examination device 7. the non-formula of registering one's residence according to claim 5 is visited one house after another, which is characterized in that be connected on the demodulation module Local oscillator DDS module is communicated to connect between the local oscillator DDS module and main control module by bluetooth module.
- The examination device 8. the non-formula of registering one's residence according to claim 5 is visited one house after another, which is characterized in that the detection module includes AD8310 wave detectors, the demodulation module include MC3361 frequency modulation chips.
- 9. visited one house after another examination device according to the non-formula of registering one's residence of claim 5 to 8 any one of them, which is characterized in that the master control mould Block includes MCU control module and the Acquisition Circuit, display module, buzzer and the electricity that are connect with the MCU control module Indicating module.
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CN201721681465.3U CN207601175U (en) | 2017-12-06 | 2017-12-06 | A kind of non-formula of registering one's residence is visited one house after another examination device |
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CN201721681465.3U CN207601175U (en) | 2017-12-06 | 2017-12-06 | A kind of non-formula of registering one's residence is visited one house after another examination device |
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Cited By (4)
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CN110261715A (en) * | 2019-06-24 | 2019-09-20 | 广州华铭电力科技有限公司 | Ammeter is to line method, device, system and storage medium |
CN110275090A (en) * | 2019-04-04 | 2019-09-24 | 国网浙江省电力有限公司丽水供电公司 | The non-formula of registering one's residence of one kind, which is visited one house after another, checks instrument |
CN110308363A (en) * | 2019-06-24 | 2019-10-08 | 广州华铭电力科技有限公司 | A kind of family table of forceful electric power state is to line method, apparatus and system |
WO2020119141A1 (en) * | 2018-12-14 | 2020-06-18 | 国网湖北省电力有限公司计量中心 | Electric energy meter wiring error troubleshooting device and method |
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2017
- 2017-12-06 CN CN201721681465.3U patent/CN207601175U/en active Active
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2020119141A1 (en) * | 2018-12-14 | 2020-06-18 | 国网湖北省电力有限公司计量中心 | Electric energy meter wiring error troubleshooting device and method |
US11163018B1 (en) | 2018-12-14 | 2021-11-02 | State Grid Hubei Electric Power Co., Ltd. Measurement Center | Device and method for detecting misconnection of electric meters |
CN110275090A (en) * | 2019-04-04 | 2019-09-24 | 国网浙江省电力有限公司丽水供电公司 | The non-formula of registering one's residence of one kind, which is visited one house after another, checks instrument |
CN110275090B (en) * | 2019-04-04 | 2022-04-08 | 国网浙江省电力有限公司丽水供电公司 | Non-entrance type serial-household checking instrument |
CN110261715A (en) * | 2019-06-24 | 2019-09-20 | 广州华铭电力科技有限公司 | Ammeter is to line method, device, system and storage medium |
CN110308363A (en) * | 2019-06-24 | 2019-10-08 | 广州华铭电力科技有限公司 | A kind of family table of forceful electric power state is to line method, apparatus and system |
CN110261715B (en) * | 2019-06-24 | 2021-06-29 | 广州华铭电力科技有限公司 | Ammeter alignment method, device and system and storage medium |
CN110308363B (en) * | 2019-06-24 | 2021-12-07 | 广州华铭电力科技有限公司 | Strong-current-state household meter alignment method, device and system |
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