CN210347787U - Handheld terminal - Google Patents
Handheld terminal Download PDFInfo
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- CN210347787U CN210347787U CN201920632554.1U CN201920632554U CN210347787U CN 210347787 U CN210347787 U CN 210347787U CN 201920632554 U CN201920632554 U CN 201920632554U CN 210347787 U CN210347787 U CN 210347787U
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Abstract
The utility model provides a handheld terminal, handheld terminal includes shell, display screen, function key, voice module, nuclear phase module, control module, satellite time service module, from time service module, satellite module, communication module, power module and cloud ware: the phase checking module is used for performing phase checking operation by using a satellite time service synchronous clock and a phase checking algorithm after receiving the voltage signal from the phase detector, encrypting the obtained phase checking data and transmitting the encrypted phase checking data to the cloud server through a special channel; the self-timing module is used for replacing a pulse-per-second signal in the satellite signal as a clock synchronization signal when the satellite signal fails; the satellite module is used for outputting a second pulse to the FPGA module according to the received satellite time service signal and outputting a pulse signal generated by the constant-temperature crystal oscillator to the FPGA module; the FPGA module is used for preprocessing the pulse per second signal and inputting the pulse per second signal processed by the FPGA module into a processor of the handheld terminal in parallel through a driving circuit so as to carry out phase checking synchronization.
Description
Technical Field
The utility model relates to a supply cable nuclear phase technical field especially relates to a handheld terminal
Background
With the increasing use of urban cables, when cables are installed or equipment is received, newly-operated or changed lines need to be checked, workers at two ends need to communicate at any time in the whole cable testing process, and the communication mode is mainly a mobile phone or an interphone. Because distribution network or looped netowrk station are in the underground sometimes, or because building structure and position factor cause wireless signal shielding, lead to the nuclear phase staff to contact difficulty and operating time is longer, when communication difficulty and cable are longer, generally by the staff in the middle of the multiple numbers to transfer step by step, the process of transferring step by step is error easily nevertheless. The nuclear phase data of the transformer substation needs to be intensively compared and analyzed, so that the wiring error position of the power grid system can be quickly and accurately analyzed. For the nuclear phase which can not carry out the phase position and the phase sequence by the conventional means, the acquisition point determination and the comparison method of the voltage and the current are very important. A large amount of digital equipment and networking equipment exist in the transformer substation, certain difficulty exists in acquiring voltage and current of a first hand, and phase comparison of the voltage and the current is also restricted.
Although the current phase checking instrument is popularized, the current phase checking instrument has low phase checking precision and only can carry out local time service, so that the phase checking can not be carried out anytime and anywhere, and the labor cost and the management cost of phase checking work are high.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the embodiment of the utility model provides a handheld terminal is provided.
An embodiment of the utility model provides a handheld terminal, handheld terminal includes shell, display screen, function key, voice module, nuclear phase module, control module, satellite time service module, from time service module, satellite module, communication module, power module and cloud ware: the display screen, the function key, the voice module, the nuclear phase module, the control module, the satellite time service module, the self-time service module, the satellite module, the communication module and the power module are electrically connected; the handheld terminal is in communication connection with at least one phase detector;
the communication module is used for acquiring voltage signals of a measuring point from at least one phase detector in communication connection with the handheld terminal;
the phase checking module is used for performing phase checking operation by using a satellite time service synchronous clock and a phase checking algorithm after receiving a voltage signal from the phase detector to obtain phase checking data, encrypting the phase checking data, and transmitting the encrypted phase checking data to a cloud server through a special channel;
the satellite time service module comprises a time service module, a constant temperature crystal oscillator and a Field Programmable Gate Array (FPGA) module;
the time service module is used for starting the self-time service module when the satellite signal of the satellite time service module fails, and replacing a pulse per second signal in the satellite signal by the self-time service module to be used as a clock synchronization signal;
the self-timing module is used for replacing a pulse-per-second signal in the satellite signal as a clock synchronization signal when the satellite signal fails;
the satellite module is used for receiving a satellite time service signal, outputting a second pulse to the FPGA module according to the satellite time service signal, and outputting a pulse signal generated by the constant-temperature crystal oscillator to the FPGA module;
the FPGA module is used for preprocessing the pulse per second signal and inputting the pulse per second signal processed by the FPGA module into a processor of the handheld terminal in parallel through a driving circuit so as to carry out nuclear phase synchronization.
In one possible design, before performing a phasing operation by using a satellite time service synchronous clock and a related phasing algorithm to obtain phasing data, the phasing module is further configured to:
setting two modes of remote time service and local time service, and setting a switching mode between the remote time service and the local time service;
a satellite time service mode is adopted to provide a synchronous clock for a nuclear phase;
and switching the time service mode between the remote time service mode and the local time service mode according to the switching mode between the remote time service mode and the local time service mode.
In one possible design, when performing remote phase checking, two phase detectors and the handheld terminal are combined into one handheld terminal; the nuclear phase module is specifically configured to:
the satellite is used for timing the handheld terminal so as to synchronize data of the handheld terminal and data of the two ends of the cloud server;
adjusting the reserved time of the two phase detectors to be consistent;
the phase detector detects power line phase information, processes the power line phase information, and sends the processed power line phase information to the handheld terminal in real time through radio frequency wireless communication;
after receiving the phase information of the power line, carrying out phase checking operation by using a satellite time service synchronous clock and a phase checking algorithm to obtain a phase checking result, displaying the phase checking result on a display screen, and sending out a voice prompt.
In one possible design, the nuclear phase module comprises a processing unit, an isolation unit and an information receiving unit, wherein the information receiving unit is used for carrying out data transmission with the detector in a wireless mode and carrying out preprocessing on data sent by the detector;
and the processing unit of the phase checking module detects signals on the three-phase cable in real time and generates a group of real-time digital signal sequences according to the detection result, searches in the signal sequence and cable comparison table according to the real-time digital signal sequences, and outputs corresponding actual cable phase sequence of the main station and actual cable phase sequence of the substation obtained by searching to generate a phase checking result. The isolation unit may employ an optocoupler. The processing unit and the control module can be realized by a programmable singlechip.
In one possible design, the handheld terminal further comprises a display module, the display module is used for displaying the phase checking result, and the display module comprises a plurality of three-phase cable display identifications and a plurality of connecting line identifications prestored in the display module;
the processing unit is connected with the control module, the control module is connected with the display module, and the processing unit sends the real-time digital signal sequence and the corresponding actual cable phase sequence obtained by searching to the control module;
the control module controls one-phase cable display identification corresponding to the address of the three-phase cable display identification to be lightened according to the received actual cable phase sequence address;
the control module is further used for controlling one-phase cable display identification corresponding to the address in the main station three-phase cable display identification to be lightened according to the received actual cable phase sequence address of the main station, or controlling a connecting line identification corresponding to the real-time digital signal sequence to be lightened according to the real-time digital signal sequence.
In one possible design, the isolation unit employs an optocoupler.
Compared with the prior art, the embodiment of the utility model provides an in, in the one hand, implant from time service module in the handheld terminal for before carrying out nuclear phase operation, can adopt the mode of satellite time service to provide accurate synchronous clock for nuclear phase, provide accurate data for high in the clouds server analysis, management nuclear phase data, and then accurate analysis goes out each power line phase anomaly's phenomenon. In another aspect, the handheld terminal of the present invention is portable while providing a high-precision nuclear phase operation.
Drawings
Fig. 1 is a schematic structural diagram of a handheld terminal according to an embodiment of the present invention;
fig. 2 is another schematic structural diagram of the handheld terminal of the embodiment of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, in the embodiment of the present invention, the handheld terminal includes a housing, a display screen, a function key, a voice module, a phase checking module, a control module, a satellite time service module, a self-time service module, a satellite module, a communication module, a power module, and a cloud server: the display screen, the function key, the voice module, the nuclear phase module, the control module, the satellite time service module, the self-time service module, the satellite module, the communication module and the power module are electrically connected; the handheld terminal is in communication connection with at least one phase detector;
the communication module is used for acquiring voltage signals of a measuring point from at least one phase detector in communication connection with the handheld terminal;
the phase checking module is used for performing phase checking operation by using a satellite time service synchronous clock and a phase checking algorithm after receiving a voltage signal from the phase detector to obtain phase checking data, encrypting the phase checking data, and transmitting the encrypted phase checking data to a cloud server through a special channel;
the satellite time service module comprises a time service module, a constant temperature crystal oscillator and a Field Programmable Gate Array (FPGA) module;
the time service module is used for starting the self-time service module when the satellite signal of the satellite time service module fails, and replacing a pulse per second signal in the satellite signal by the self-time service module to be used as a clock synchronization signal;
the self-timing module is used for replacing a pulse-per-second signal in the satellite signal as a clock synchronization signal when the satellite signal fails;
the satellite module is used for receiving a satellite time service signal, outputting a second pulse to the FPGA module according to the satellite time service signal, and outputting a pulse signal generated by the constant-temperature crystal oscillator to the FPGA module;
the FPGA module is used for preprocessing the pulse per second signal and inputting the pulse per second signal processed by the FPGA module into a processor of the handheld terminal in parallel through a driving circuit so as to carry out nuclear phase synchronization.
In some embodiments, before the phase-checking module performs the phase-checking operation by using the satellite time service synchronous clock and the related phase-checking algorithm to obtain the phase-checking data, the phase-checking module is further configured to:
setting two modes of remote time service and local time service, and setting a switching mode between the remote time service and the local time service;
a satellite time service mode is adopted to provide a synchronous clock for a nuclear phase;
and switching the time service mode between the remote time service mode and the local time service mode according to the switching mode between the remote time service mode and the local time service mode.
In some embodiments, when performing remote phase checking, two phase detectors and the handheld terminal are combined into one handheld terminal; the nuclear phase module is specifically configured to:
the satellite is used for timing the handheld terminal so as to synchronize data of the handheld terminal and data of the two ends of the cloud server;
adjusting the reserved time of the two phase detectors to be consistent;
the phase detector detects power line phase information, processes the power line phase information, and sends the processed power line phase information to the handheld terminal in real time through radio frequency wireless communication;
after receiving the phase information of the power line, carrying out phase checking operation by using a satellite time service synchronous clock and a phase checking algorithm to obtain a phase checking result, displaying the phase checking result on a display screen, and sending out a voice prompt.
In some embodiments, the nuclear phase module includes a processing unit, an isolation unit, and an information receiving unit, where the information receiving unit transmits data to the detector in a wireless manner, and preprocesses the data transmitted from the detector;
and the processing unit of the phase checking module detects signals on the three-phase cable in real time and generates a group of real-time digital signal sequences according to the detection result, searches in the signal sequence and cable comparison table according to the real-time digital signal sequences, and outputs corresponding actual cable phase sequence of the main station and actual cable phase sequence of the substation obtained by searching to generate a phase checking result. The isolation unit may employ an optocoupler. The processing unit and the control module can be realized by a programmable singlechip.
In some embodiments, the handheld terminal further includes a display module, the display module is configured to display a phase checking result, and the display module includes a plurality of three-phase cable display identifiers and a plurality of connection line identifiers pre-stored in the display module;
the processing unit is connected with the control module, the control module is connected with the display module, and the processing unit sends the real-time digital signal sequence and the corresponding actual cable phase sequence obtained by searching to the control module;
the control module controls one-phase cable display identification corresponding to the address of the three-phase cable display identification to be lightened according to the received actual cable phase sequence address;
the control module is further used for controlling one-phase cable display identification corresponding to the address in the main station three-phase cable display identification to be lightened according to the received actual cable phase sequence address of the main station, or controlling a connecting line identification corresponding to the real-time digital signal sequence to be lightened according to the real-time digital signal sequence. And then the nuclear phase result state of the three-phase cable is presented to the outside through the three-phase cable display identification and the connecting line identification.
In some embodiments, the isolation unit employs an optocoupler.
Compared with the prior art, the embodiment of the utility model provides an in, in the one hand, implant from time service module in the handheld terminal for before carrying out nuclear phase operation, can adopt the mode of satellite time service to provide accurate synchronous clock for nuclear phase, provide accurate data for high in the clouds server analysis, management nuclear phase data, and then accurate analysis goes out each power line phase anomaly's phenomenon. In another aspect, the handheld terminal of the present invention is portable while providing a high-precision nuclear phase operation.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. The utility model provides a handheld terminal, its characterized in that, handheld terminal includes shell, display screen, function key, voice module, nuclear phase module, control module, satellite time service module, from time service module, satellite module, communication module, power module and cloud ware: the display screen, the function key, the voice module, the nuclear phase module, the control module, the satellite time service module, the self-time service module, the satellite module, the communication module and the power module are electrically connected; the handheld terminal is in communication connection with at least one phase detector;
the communication module is used for acquiring voltage signals of a measuring point from at least one phase detector in communication connection with the handheld terminal;
the phase checking module is used for performing phase checking operation by using a satellite time service synchronous clock and a phase checking algorithm after receiving a voltage signal from the phase detector to obtain phase checking data, encrypting the phase checking data, and transmitting the encrypted phase checking data to a cloud server through a special channel;
the satellite time service module comprises a time service module, a constant temperature crystal oscillator and a Field Programmable Gate Array (FPGA) module;
the time service module is used for starting the self-time service module when the satellite signal of the satellite time service module fails, and replacing a pulse per second signal in the satellite signal by the self-time service module to be used as a clock synchronization signal;
the self-timing module is used for replacing a pulse-per-second signal in the satellite signal as a clock synchronization signal when the satellite signal fails;
the satellite module is used for receiving a satellite time service signal, outputting a second pulse to the FPGA module according to the satellite time service signal, and outputting a pulse signal generated by the constant-temperature crystal oscillator to the FPGA module;
the FPGA module is used for preprocessing the pulse per second signal and inputting the pulse per second signal processed by the FPGA module into a processor of the handheld terminal in parallel through a driving circuit so as to carry out nuclear phase synchronization.
2. The handheld terminal according to claim 1, wherein the phasing module is further configured to, before performing phasing operation by using a satellite time service synchronous clock and a related phasing algorithm to obtain phasing data:
setting two modes of remote time service and local time service, and setting a switching mode between the remote time service and the local time service;
a satellite time service mode is adopted to provide a synchronous clock for a nuclear phase;
and switching the time service mode between the remote time service mode and the local time service mode according to the switching mode between the remote time service mode and the local time service mode.
3. The hand-held terminal according to claim 2, wherein when performing remote phase checking, two phase detectors and the hand-held terminal are combined into one hand-held terminal; the nuclear phase module is specifically configured to:
the satellite is used for timing the handheld terminal so as to synchronize data of the handheld terminal and data of the two ends of the cloud server;
adjusting the reserved time of the two phase detectors to be consistent;
the phase detector detects power line phase information, processes the power line phase information, and sends the processed power line phase information to the handheld terminal in real time through radio frequency wireless communication;
after receiving the phase information of the power line, carrying out phase checking operation by using a satellite time service synchronous clock and a phase checking algorithm to obtain a phase checking result, displaying the phase checking result on a display screen, and sending out a voice prompt.
4. The handheld terminal according to claim 3, wherein the nuclear phase module comprises a processing unit, an isolating unit and an information receiving unit, the information receiving unit wirelessly transmits data to the detector and preprocesses the data transmitted by the detector;
the processing unit of the nuclear phase module detects signals on the three-phase cable in real time and generates a group of real-time digital signal sequences according to detection results, the processing unit searches in a signal sequence and cable comparison table according to the real-time digital signal sequences and outputs corresponding actual cable phase sequences of the main station and the substation obtained through searching to generate nuclear phase results, and the isolation unit can be realized by adopting an optical coupling processing unit and a control module through a programmable single chip microcomputer.
5. The handheld terminal of claim 4, wherein the isolation unit employs an optical coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920632554.1U CN210347787U (en) | 2019-05-05 | 2019-05-05 | Handheld terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920632554.1U CN210347787U (en) | 2019-05-05 | 2019-05-05 | Handheld terminal |
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| CN210347787U true CN210347787U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920632554.1U Expired - Fee Related CN210347787U (en) | 2019-05-05 | 2019-05-05 | Handheld terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108952A (en) * | 2019-05-05 | 2019-08-09 | 武汉四维恒通科技有限公司 | A kind of method, apparatus and storage medium of management nuclear phase operation and nuclear phase data |
| CN112345837A (en) * | 2020-09-22 | 2021-02-09 | 国家电网有限公司 | Electronic phase indicating device and application method thereof |
-
2019
- 2019-05-05 CN CN201920632554.1U patent/CN210347787U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108952A (en) * | 2019-05-05 | 2019-08-09 | 武汉四维恒通科技有限公司 | A kind of method, apparatus and storage medium of management nuclear phase operation and nuclear phase data |
| CN112345837A (en) * | 2020-09-22 | 2021-02-09 | 国家电网有限公司 | Electronic phase indicating device and application method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 Termination date: 20210505 |
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| CF01 | Termination of patent right due to non-payment of annual fee |