CN110907711B - Nuclear phase and phasing device and method - Google Patents
Nuclear phase and phasing device and method Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 claims description 12
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- G—PHYSICS
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Abstract
The invention belongs to the technical field of electric power nuclear phases and discloses a nuclear phase and phasing device and method. The device includes: the system comprises a first transmitter, a second transmitter and a hand-held set, wherein the first transmitter and the second transmitter are respectively connected with a cable to be identified, and are respectively connected with the hand-held set through wireless communication; the first transmitter is used for sampling first phase information of a first line of the cable to be identified and transmitting the first phase information to the handset in real time; the second transmitter is used for sampling second phase information of a second line of the cable to be identified and transmitting the second phase information to the handset in real time; the handheld set is used for receiving the first phase information and the second phase information, calculating a phase difference value, and judging whether the first line and the second line are in the same phase or not according to the phase difference value.
Description
Technical Field
The invention relates to the technical field of electric power nuclear phases, in particular to a nuclear phase and phasing device and method.
Background
The high-voltage long-distance transmission at home and abroad is generally made of three-phase alternating current. Before the new power plant is connected to the grid, before the new transformer substation is put into production, after the power transmission and transformation project is expanded and modified and after the main power transmission and transformation station equipment is overhauled, a phase checking test needs to be carried out before the new power plant is put into production and runs, namely whether two corresponding lines connected with the grid are in phase needs to be checked. Especially, before the reconstructed transmission line is connected with a user power transmission line, a three-phase high-voltage transmission line voltage phase verification test must be carried out to ensure that the phase sequence of the transmission line is consistent with the phase sequence of a user three-phase load.
At present, in the domestic industry, the short-distance phase checking of high-voltage and low-voltage lines is usually realized, a certain distance is required to be kept between the high-voltage line and the high-voltage line during the phase checking of the high-voltage line, otherwise, an instrument can be damaged and the phase checking is inaccurate, and the defects of certain danger and inconvenient operation exist. There are some devices that measure high and low voltages separately, the high voltage transmitter cannot measure the low voltage line, and the low voltage transmitter cannot measure the high voltage line. A few devices realize remote phase checking, but the results need to be mutually reported by calling, the phase difference value is manually calculated, the result of the same phase and the different phase is judged, and the manual operation is complicated and is easy to make mistakes. Part of equipment realizes the high-voltage line phasing function, but the 4G communication cost is high, the power consumption is high, and the maintenance cost is also high.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a phasing and phasing device and method, and aims to solve the technical problems that long-distance phasing is difficult to realize and large errors exist in the prior art.
To achieve the above object, the present invention provides a nuclear phase and phasing apparatus, comprising: the system comprises a first transmitter, a second transmitter and a hand held set, wherein the first transmitter and the second transmitter are respectively connected with a cable to be identified, and the first transmitter and the second transmitter are respectively connected with the hand held set through wireless communication; wherein,
the first transmitter is used for sampling first phase information of the first line of the cable to be identified and transmitting the first phase information to the handset in real time;
the second transmitter is used for sampling second phase information of a second line of the cable to be identified and sending the second phase information to the handset in real time;
and the handset is used for receiving the first phase information and the second phase information, calculating a phase difference value, and judging whether the first line and the second line are in the same phase or not according to the phase difference value.
Preferably, the device further comprises a cloud server, the handsets are connected with the cloud server through wireless communication, and each handset comprises a first handset and a second handset; wherein,
the first handset is used for receiving the first phase information;
the second handheld device is used for receiving the second phase information;
the cloud server is used for receiving the first phase information and the second phase information, sending the first phase information to the second handheld machine, and sending the second phase information to the first handheld machine;
the first handheld device is used for receiving the second phase information, calculating a phase difference value according to the first phase information and the second phase information, and judging whether the first line and the second line are in the same phase or not according to the phase difference value;
the second handheld device is used for receiving the first phase information, calculating a phase difference value according to the first phase information and the second phase information, and judging whether the first line and the second line are in phase or not according to the phase difference value.
Preferably, the device further comprises a phasing base station, wherein the phasing base station is connected with the cloud server through wireless communication; wherein,
The transmitter is used for sampling the phase information of the cable line to be identified and transmitting the phase information to the handset in real time;
the phasing base station is used for sampling a standard phase value of the cable line to be identified and sending the standard phase information to the cloud server;
the cloud server is used for sending the standard phase information to the handset;
and the handset is used for judging the phase sequence of the cable line to be identified according to the standard phase information and the phase information to finish phasing work.
Preferably, the first and second transmitters comprise transmitter charging circuitry, automatic switching circuitry and radio frequency transmission circuitry; wherein,
the transmitter charging circuit is used for supplying power to the first transmitter and the second transmitter;
the automatic switch circuit is used for controlling the first transmitter and the second transmitter to start working when being connected with the cable to be identified and controlling the first transmitter and the second transmitter to stop working when being disconnected with the cable to be identified;
the radio frequency transmitting circuit comprises a first radio frequency transmitting circuit and a second radio frequency transmitting circuit, and is used for being in wireless communication connection with the handheld device.
Preferably, the automatic switching circuit comprises a first N-channel MOS transistor, a second N-channel MOS transistor, a third N-channel MOS transistor, a fourth N-channel MOS transistor, a first capacitor, and a first resistor; wherein the grid electrode of the first N-channel MOS tube is connected with the emitter charging circuit, the source electrode of the first N-channel MOS tube is grounded, the drain electrode of the first N-channel MOS tube is connected with the source electrode of the second N-channel MOS tube, the source electrode of the second N-channel MOS tube is also connected with the first end of the first resistor, the drain electrode of the second N-channel MOS tube is connected with the drain electrode of the third N-channel MOS tube, the grid electrode of the third N-channel MOS tube is connected with the drain electrode of the fourth N-channel MOS tube, the source electrode of the fourth N-channel MOS tube is grounded, the grid electrode of the fourth N-channel MOS tube is connected with the first end of the first resistor, the first end of the first resistor is further connected with the first end of the first capacitor, the second end of the first capacitor is connected with the second end of the first resistor, and the second end of the first capacitor is grounded.
Preferably, the handset comprises a handset charging circuit, a soft switching circuit, a radio frequency transmission circuit and a first communication module; wherein,
The handset charging circuit is used for supplying power to the handset;
the soft switching circuit is used for controlling the handset to start working when in wireless communication connection with the transmitter and controlling the handset to stop working when in wireless communication connection with the transmitter;
the radio frequency transmitting circuit comprises a third radio frequency transmitting circuit and a fourth radio frequency transmitting circuit and is used for being in wireless communication connection with the transmitter;
the first communication module is used for being in wireless communication connection with the cloud server.
Preferably, the phasing base station comprises a radio frequency transmitting circuit and a second communication module; wherein,
the radio frequency transmitting circuit comprises a fifth radio frequency transmitting circuit and a sixth radio frequency transmitting circuit, and is used for being in wireless communication connection with the transmitter;
the second communication module is used for being in wireless communication connection with the cloud server.
Preferably, the first communication module and the second communication module comprise communication chips; wherein, the communication chip is used for realizing wireless communication synchronization.
In addition, to achieve the above object, the present invention further provides a nuclear phase and phasing method, the method comprising:
sampling first phase information of a first line of the cable to be identified, and sending the first phase information to the handset in real time;
Sampling second phase information of a second line of the cable to be identified, and sending the second phase information to the handset in real time;
and receiving the first phase information and the second phase information, calculating a phase difference value, and judging whether the first line and the second line are in phase or not according to the phase difference value.
Preferably, after the step of receiving the first phase information and the second phase information, calculating a phase difference value, and determining whether the first line and the second line are in phase according to the phase difference value, the method further includes:
sampling phase information of the cable line to be identified;
sampling a standard phase value of the cable line to be identified;
and receiving the standard phase information, and judging the phase sequence of the cable line to be identified according to the standard phase information and the phase information to finish phasing work.
The invention constitutes a nuclear phase and phasing device by arranging a first transmitter, a second transmitter and a hand-held set, wherein the first transmitter and the second transmitter are respectively connected with a cable to be identified, and the first transmitter and the second transmitter are respectively connected with the hand-held set through wireless communication; the first transmitter is used for sampling first phase information of a first line of the cable to be identified and transmitting the first phase information to the handset in real time; the second transmitter is used for sampling second phase information of a second line of the cable to be identified and sending the second phase information to the handset in real time; the handset is used for receiving the first phase information and the second phase information, calculating a phase difference value, and judging whether the first line and the second line are in the same phase or not according to the phase difference value, so that the remote phase checking is realized, the error is small, and the technical problems that the remote phase checking is difficult to realize and a large error exists in the prior art are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a functional block diagram of an embodiment of a nuclear phase and phasing apparatus of the present invention;
FIG. 2 is a functional block diagram of another embodiment of the phasing and nuclear phasing apparatus of the invention;
FIG. 3 is a functional block diagram of a nuclear phase and phasing apparatus according to yet another embodiment of the invention;
FIG. 4 is a schematic diagram of the automatic switching circuit of the transmitter of the phasing and phasing apparatus of the invention;
FIG. 5 is a schematic flow chart of an embodiment of the phasing and phasing method of the invention;
FIG. 6 is a flow chart of another embodiment of the phasing and phasing method of the invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should be considered to be absent and not within the protection scope of the present invention.
The embodiment of the invention provides a nuclear phase and phasing device.
Referring to fig. 1, fig. 1 is a functional block diagram of an embodiment of a nuclear phase and phasing apparatus of the present invention. In an embodiment of the present invention, the apparatus comprises: a first transmitter 100, a second transmitter 200 and a handset 300, the first transmitter 100 and the second transmitter 200 being respectively connected with a cable to be identified, the first transmitter 100 and the second transmitter 200 being respectively connected with the handset 300 through wireless communication; wherein,
The first transmitter 100 is configured to sample first phase information of the first line of the cable to be identified, and send the first phase information to the handset 300 in real time.
The second transmitter 200 is configured to sample the second phase information of the second line of the cable to be identified, and send the second phase information to the handset 300 in real time.
In this embodiment, the first transmitter 100 and the second transmitter 200 can directly contact with a high voltage line of 35KV or more, and can directly detect a high voltage line and a low voltage line, thereby improving the versatility of the nuclear phase and phasing device. The first transmitter 100 and the second transmitter 200 may be powered by lithium batteries, which are used for cyclic charging, and the maintenance of the lithium batteries is simple, for example, the first transmitter 100 and the second transmitter 200 are powered by 3.7V lithium batteries. The front ends of the first transmitter 100 and the second transmitter 200 can be designed to be hook structures, so that the first transmitter 100 and the second transmitter 200 can be directly hooked on a cable line to be identified, and the operation difficulty of a user is reduced. The first transmitter 100 and the second transmitter 200 respectively include a first rf transmitting circuit and a second rf transmitting circuit, and the rf transmitting circuit may adopt 315M and 433M rf transmitting modules to convert a 50Hz ac signal into a square wave signal, and then transmit the square wave signal in the form of a carrier wave through the rf transmitting module.
The handset 300 is configured to receive the first phase information and the second phase information, calculate a phase difference value, and determine whether the first line and the second line are in phase according to the phase difference value.
In this embodiment, the handset 300 may be powered by a 3.7V lithium battery, and the handset 300 may further include 2 rf receiving modules 315M and 433M, which are configured to receive carrier information sent by the first transmitter 100 and the second transmitter 200, demodulate a square wave signal, calculate a phase value of the square wave, and determine that the first line and the second line are the same phase and different phase, thereby implementing near-distance phasing.
It should be noted that a GPS/beidou dual-mode receiving module may also be built in the handset 300, and when the handset 300 receives a satellite signal, information such as current time and position may be analyzed and output. The PPS time transfer means that a pulse signal is output once per second based on high-precision time information of a receiver. The method mainly aims to send information to external equipment, guarantee that the time of the external equipment is consistent with that of a GPS, and work synchronously, for example, a camera is sent to a PPS, and the camera simultaneously executes shutter operation according to pulse signals to shoot photos. The handset 300 may also be provided with an NBiot communication module, and may send the measured data to the cloud server 400 in real time. The NBiot communication module is a narrowband Internet of things, is constructed in a cellular network, only consumes about 180kHz bandwidth, and can be directly deployed in a GSM network, a UMTS network or an LTE network so as to reduce the deployment cost and realize smooth upgrade. The NBiot communication module supports the high-efficiency connection of the equipment with long standby time and higher requirement on network connection. Compared with the 4G communication, the hardware cost and the communication cost can be reduced by about 80%, and the power consumption can be reduced by about 90%. Because NBiot communication module seals at handheld machine inside, reduce the consumption and can reduce handheld machine inside calorific capacity, reduce the inside temperature and be favorable to reducing the fault rate simultaneously.
The embodiment of the invention constitutes a nuclear phase and phasing device by arranging a first transmitter 100, a second transmitter 200 and a hand held set 300, wherein the first transmitter 100 and the second transmitter 200 are respectively connected with cables to be identified, and the first transmitter 100 and the second transmitter 200 are respectively connected with the hand held set 300 through wireless communication; the first transmitter 100 is configured to sample first phase information of a first line of the cable to be identified, and send the first phase information to the handset 300 in real time; the second transmitter 200 is configured to sample second phase information of the second line of the cable to be identified, and send the second phase information to the handset 300 in real time; the handset 300 is configured to receive the first phase information and the second phase information, calculate a phase difference value, and determine whether the first line and the second line are in phase according to the phase difference value, so that long-distance phase checking is achieved, an error is small, and the technical problems that long-distance phase checking is difficult to achieve and a large error exists in the prior art are solved.
Further, referring to fig. 2, fig. 2 is a functional block diagram of another embodiment of the phasing and phasing apparatus of the invention. The device further comprises a cloud server 400, the handsets 300 are connected with the cloud server 400 through wireless communication, and the handsets 300 comprise a first handset 301 and a second handset 302; wherein the first handset 301 is configured to receive the first phase information;
The second handset 302 is configured to receive the second phase information;
the cloud server 400 is configured to receive the first phase information and the second phase information, send the first phase information to the second handset 302, and send the second phase information to the first handset 301;
the first handset 301 is configured to receive the second phase information, calculate a phase difference value according to the first phase information and the second phase information, and determine whether the first line and the second line are in phase according to the phase difference value;
the second handset 302 is configured to receive the first phase information, calculate a phase difference value according to the first phase information and the second phase information, and determine whether the first line and the second line are in phase according to the phase difference value.
In this embodiment, the first handheld device 301 and the second handheld device 302 are, for example, a first mobile device and a second mobile device, where the first mobile device is far away from the second mobile device, and the first mobile device and the second mobile device need to be measured simultaneously when comparing the phase difference, if the power grid frequency is 50Hz at this time, the time of 1 cycle is 20ms, and if the time difference between the first mobile device and the second mobile device is 1ms, the introduced measurement phase error is 18 degrees, so that the first mobile device and the second mobile device need to be accurately synchronized before measurement. The first handset 301 and the second handset 302 may be internally provided with a GPS/beidou dual-mode receiving module, and when receiving satellite signals, the first handset 301 and the second handset 302 may analyze and output information such as current time and position, and this embodiment mainly uses time service time and time service second pulse PPS. For example, the pulse signal is output outwards once every second through the high-precision time information of the first machine, and the purpose is mainly to send a time information to the second machine, so that the time of the second machine is consistent with the time of the first machine, and the first machine and the second machine work synchronously. The first machine and the second machine exchange the measured information such as the phase value, the test time and the like through the cloud server 400, and then respectively judge whether the circuits of the first circuit and the second circuit are in the same phase, so that the remote phase checking is realized.
In the embodiment of the present invention, a phasing and phasing apparatus is formed by arranging a first transmitter 100, a second transmitter 200, a first handset 301, a second handset 302 and a cloud server 400, the handset 300 is connected to the cloud server 400 through wireless communication, and the handset 300 includes the first handset 301 and the second handset 302; wherein the first handset 301 is configured to receive the first phase information; the second handset 302 is configured to receive the second phase information; the cloud server 400 is configured to receive the first phase information and the second phase information, send the first phase information to the second handset 302, and send the second phase information to the first handset 301; the first handset 301 is configured to receive the second phase information, calculate a phase difference value according to the first phase information and the second phase information, and determine whether the first line and the second line are in phase according to the phase difference value; the second handset 302 is configured to receive the first phase information, calculate a phase difference value according to the first phase information and the second phase information, and determine whether the first line and the second line are in phase according to the phase difference value, so as to implement remote phase checking.
Further, referring to fig. 3, fig. 3 is a functional block diagram of another embodiment of the nuclear phase and phasing apparatus of the present invention; the device further comprises a phasing base station 600, wherein the phasing base station 600 is connected with the cloud server 400 through wireless communication; wherein,
the transmitter 500 is configured to sample phase information of the cable line to be identified, and send the phase information to the handset 300 in real time;
the phasing base station 600 is configured to sample a standard phase value of the cable line to be identified, and send the standard phase information to the cloud server 400;
the cloud server 400 is configured to send the standard phase information to the handset 300;
the handset 300 is configured to determine a phase sequence of the cable line to be identified according to the standard phase information and the phase information, and complete a phasing operation.
In this embodiment, the phasing base station 600 samples the standard phase value of the cable line to be identified, and sends the standard phase information to the cloud server 400 in real time; the cloud server 400 sends the standard phase information to the handset 300 in real time; the handset 300 determines whether the cable line to be identified is the a phase, the B phase or the C phase according to the standard phase information and the phase information of the cable line to be identified sampled by the transmitter 500, and completes the phasing operation.
In the embodiment of the present invention, a phasing and phasing device is formed by arranging the transmitter 500, the handset 300, the cloud server 400 and the phasing base station 600, and the phasing base station 600 is connected with the cloud server 400 through wireless communication; the transmitter 500 is configured to sample phase information of the cable line to be identified, and send the phase information to the handset 300 in real time; the phasing base station is configured to sample a standard phase value of the cable line to be identified, and send the standard phase information to the cloud server 400; the cloud server 400 is configured to send the standard phase information to the handset 300; the handset 300 is configured to determine a phase sequence of the cable line to be identified according to the standard phase information and the phase information, complete a phasing operation, and implement phasing.
Further, the first transmitter 100 and the second transmitter 200 comprise a transmitter charging circuit, an automatic switching circuit, and a radio frequency transmission circuit; wherein,
the transmitter charging circuit is used for supplying power to the first transmitter 100 and the second transmitter 200;
the automatic switch circuit is used for controlling the first transmitter 100 and the second transmitter 200 to start working when the cable to be identified is connected with the cable to be identified, and controlling the first transmitter 100 and the second transmitter 200 to stop working when the cable to be identified is disconnected with the cable to be identified;
The rf transmitting circuit comprises a first rf transmitting circuit and a second rf transmitting circuit, and is configured to be connected to the handset 300 in a wireless communication manner.
It should be noted that the radio frequency transmitting circuit includes a first radio frequency transmitting circuit and a second radio frequency transmitting circuit, the first radio frequency transmitting circuit may be a 315M radio frequency transmitting module, and the second radio frequency transmitting circuit may be a 433M radio frequency transmitting module, for example, the 50Hz alternating current signal is converted into a square wave signal, and then the square wave signal is sent to the handset in the form of a carrier wave through the radio frequency transmitting module.
Further, referring to fig. 4, fig. 4 is a schematic diagram of an automatic switch circuit of a transmitter of the phasing and phasing apparatus according to the present invention. The automatic switching circuit comprises a first N-channel MOS tube Q1, a second N-channel MOS tube Q2, a third N-channel MOS tube Q3, a fourth N-channel MOS tube Q4, a first capacitor C1 and a first resistor R1; wherein, the gate of the first N-channel MOS transistor Q1 is connected to the emitter charging circuit, the source of the first N-channel MOS transistor Q1 is grounded, the drain of the first N-channel MOS transistor Q1 is connected to the source of the second N-channel MOS transistor Q2, the source of the second N-channel MOS transistor Q2 is further connected to the first end of the first resistor R1, the drain of the second N-channel MOS transistor Q2 is connected to the drain of the third N-channel MOS transistor Q3, the gate of the third N-channel MOS transistor Q3 is connected to the drain of the fourth N-channel MOS transistor Q4, the source of the fourth N-channel MOS transistor Q4 is grounded, the gate of the fourth N-channel MOS transistor Q4 is connected to the first end of the first resistor R1, the first end of the first resistor R1 is further connected to the first end of the first capacitor C1, and the second end of the first capacitor C1 is connected to the second end of the first resistor R1, the second terminal of the first capacitor C1 is grounded.
It should be noted that, the third N-channel MOS transistor Q3 is used for power on-off control, when a sine wave signal is input, the second N-channel MOS transistor Q2 has a half cycle in a conducting state, when the second N-channel MOS transistor Q2 is conducted, the first capacitor C1 is charged, when the first capacitor C1 is full, the fourth N-channel MOS transistor Q4 is driven to conduct, when the fourth N-channel MOS transistor Q4 is conducted, the gate of the third N-channel MOS transistor Q3 is pulled low, at this time, the third N-channel MOS transistor Q3 is conducted, and the transmitter is powered on to start working. When no sine wave is input for a period of time, the first resistor R1 discharges to the first capacitor C1, and when the voltage of the first capacitor C1 decreases, the fourth N-channel MOS transistor Q4 turns off, the gate voltage of the third N-channel MOS transistor Q3 increases, and then the third N-channel MOS transistor Q3 turns off, and the transmitter is powered off and stops working.
Further, the handset 300 comprises a handset charging circuit, a soft switching circuit, a radio frequency transmission circuit and a first communication module; wherein,
the handset charging circuit is used for supplying power to the handset;
the soft switching circuit is used for controlling the handset to start working when in wireless communication connection with the transmitter and controlling the handset to stop working when in wireless communication connection with the transmitter;
The radio frequency transmitting circuit comprises a third radio frequency transmitting circuit and a fourth radio frequency transmitting circuit, and is used for being in wireless communication connection with the transmitter;
the first communication module is used for being in wireless communication connection with the cloud server.
It should be noted that the radio frequency transmitting circuit includes a third radio frequency transmitting circuit and a fourth radio frequency transmitting circuit, the third radio frequency transmitting circuit may be a 315M radio frequency receiving module, and the fourth radio frequency transmitting circuit may be a 433M radio frequency receiving module, and is configured to receive carrier information sent by the transmitter, demodulate a square wave signal, calculate a square wave phase value, and then determine whether the cable lines to be identified are out of phase, so as to implement near-distance phasing or long-distance phasing or phasing. The first communication module is used for being in wireless communication connection with the cloud server. The first communication module can be an NBiot communication module, and the NBiot communication module can transmit measured data to a cloud server in real time. The NBiot communication module is a narrowband Internet of things, is constructed in a cellular network, only consumes about 180kHz bandwidth, and can be directly deployed in a GSM network, a UMTS network or an LTE network so as to reduce the deployment cost and realize smooth upgrade. The NBiot communication module supports the high-efficiency connection of the equipment with long standby time and higher requirement on network connection. Compared with the 4G communication, the hardware cost and the communication cost can be reduced by about 80%, and the power consumption can be reduced by about 90%. Because NBiot communication module seals at handheld machine inside, reduce the consumption and can reduce handheld machine inside calorific capacity, reduce the inside temperature and be favorable to reducing the fault rate simultaneously.
Further, the phasing base station 600 comprises a radio frequency transmitting circuit and a second communication module; wherein,
the radio frequency transmitting circuit comprises a fifth radio frequency transmitting circuit and a sixth radio frequency transmitting circuit, and is used for being in wireless communication connection with the transmitter;
the second communication module is used for being in wireless communication connection with the cloud server.
It should be noted that the radio frequency transmitting circuit includes a fifth radio frequency transmitting circuit and a sixth radio frequency transmitting circuit, and is used for wirelessly communicating with the transmitter 500; the fifth rf transmitting circuit may be a 315M rf receiving module, and the sixth rf transmitting circuit may be a 433M rf receiving module. The second communication module can be an NBiot communication module, and the NBiot communication module can transmit the measured data to the cloud server in real time. The NBiot communication module is a narrowband Internet of things, is constructed in a cellular network, only consumes about 180kHz bandwidth, and can be directly deployed in a GSM network, a UMTS network or an LTE network so as to reduce the deployment cost and realize smooth upgrade.
Further, the first communication module and the second communication module comprise communication chips; wherein, the communication chip is used for realizing wireless communication synchronization.
It should be noted that the first communication module and the second communication module include communication chips, and the power supply voltage of the communication chips can be as low as 3.1V, and can be supplied with power directly by using a battery or supplied with power by using 5-16V. The antenna interface of the communication module needs to be close to the communication module, two high-frequency capacitors are reserved, and when the length and the area of an external antenna are changed, the capacitance value can be adjusted to improve the signal intensity of the communication module.
In order to achieve the above object, the present invention further provides a nuclear phase and phasing method, and referring to fig. 5, fig. 5 is a schematic flow chart of an embodiment of the nuclear phase and phasing method of the present invention, the method includes:
step S10: and sampling first phase information of the first line of the cable to be identified, and sending the first phase information to the handset in real time.
Step S20: and sampling second phase information of the second line of the cable to be identified, and sending the second phase information to the handset in real time.
It should be noted that, the first transmitter samples the first phase information of the first line of the cable to be identified and sends the first phase information to the handset in real time, and the second transmitter samples the second phase information of the second line of the cable to be identified and sends the second phase information to the handset in real time.
It is easy to understand that the first emitter and the second emitter can directly contact with the high voltage line of 35KV and above, and can directly detect the high voltage and low voltage lines, improving the versatility of the nuclear phase and phasing device. The first transmitter and the second transmitter can be powered by lithium batteries, and can be used by cyclic charging, and the lithium batteries are simpler to maintain, for example, the first transmitter and the second transmitter are powered by 3.7V lithium batteries. The front ends of the first emitter and the second emitter are designed to be hook structures, so that the first emitter and the second emitter can be directly hooked on a cable line to be identified, and the operation difficulty of a user is reduced. The first transmitter and the second transmitter respectively comprise a first radio frequency transmitting circuit and a second radio frequency transmitting circuit, the radio frequency transmitting circuit can adopt 315M and 433M radio frequency transmitting modules to convert 50Hz alternating current signals into square wave signals, and the square wave signals are transmitted in a carrier wave mode through the radio frequency transmitting module.
Step S30: and receiving the first phase information and the second phase information, calculating a phase difference value, and judging whether the first line and the second line are in phase or not according to the phase difference value.
It should be noted that the handset receives the first phase information and the second phase information, calculates a phase difference value, and determines whether the first line and the second line are in phase according to the phase difference value.
It is easy to understand that the handset can be powered by a 3.7V lithium battery, and 2 315M and 433M radio frequency receiving modules can be further built in the handset, and are used for receiving carrier information sent by the transmitter, demodulating a square wave signal, calculating a square wave phase value, and then judging that the first line and the second line are the same phase or different phase, so as to realize near-distance phase checking.
It should be noted that a GPS/beidou dual-mode receiving module may be further built in the handset, and when the handset receives a satellite signal, information such as current time and position may be analyzed and output. The PPS time transfer means that a pulse signal is output once per second based on high-precision time information of a receiver. The method mainly aims to send information to external equipment, guarantee that the time of the external equipment is consistent with that of a GPS, and work synchronously, for example, a camera is sent to a PPS, and the camera simultaneously executes shutter operation according to pulse signals to shoot photos. The mobile phone can also be internally provided with an NBiot communication module, and can send measured data to the cloud server in real time. The NBiot communication module is a narrowband Internet of things, is constructed in a cellular network, only consumes about 180kHz bandwidth, and can be directly deployed in a GSM network, a UMTS network or an LTE network so as to reduce the deployment cost and realize smooth upgrade. The NBiot communication module supports the high-efficiency connection of the equipment with long standby time and higher requirement on network connection. Compared with the 4G communication, the hardware cost and the communication cost can be reduced by about 80%, and the power consumption can be reduced by about 90%. Because NBiot communication module seals at handheld machine inside, reduce the consumption and can reduce handheld machine inside calorific capacity, reduce the inside temperature and be favorable to reducing the fault rate simultaneously.
The embodiment samples first phase information of a first line of the cable to be identified and sends the first phase information to the handset in real time; sampling second phase information of a second line of the cable to be identified, and sending the second phase information to the handset in real time; receiving the first phase information and the second phase information, calculating a phase difference value, and judging whether the first line and the second line are in phase or not according to the phase difference value, so that the long-distance phase checking is realized, the error is small, and the technical problems that the long-distance phase checking is difficult to realize and a large error exists in the prior art are solved.
Referring to fig. 6, fig. 6 is a flow chart illustrating a nuclear phase and phasing method according to another embodiment of the invention.
Based on the above-mentioned one embodiment of the phasing and phasing method, the phasing and phasing method in this embodiment further includes, after the step S30:
step S301: and sampling the phase information of the cable line to be identified.
It should be noted that the transmitter samples the phase information of the cable line to be identified and sends the phase information to the handset in real time.
Step S302: and sampling the standard phase value of the cable line to be identified.
It should be noted that, the phasing base station samples the standard phase value of the cable line to be identified, and sends the standard phase information to the cloud server.
Step S303: and receiving the standard phase information, and judging the phase sequence of the cable line to be identified according to the standard phase information and the phase information to finish phasing work.
It should be noted that, the phasing base station samples the standard phase value of the cable line to be identified, and sends the standard phase information to the cloud server in real time; the cloud server sends the standard phase information to the handset in real time; and the handset judges whether the cable line to be identified is the A phase or the B phase or the C phase according to the standard phase information and the phase information of the cable line to be identified, which is sampled by the transmitter, so as to finish the phasing operation.
The embodiment samples the phase information of the cable line to be identified; sampling a standard phase value of the cable line to be identified; and receiving the standard phase information, judging the phase sequence of the cable line to be identified according to the standard phase information and the phase information, finishing phasing work and realizing phasing.
It should be understood that the above is only an example, and the technical solution of the present invention is not limited in any way, and in a specific application, a person skilled in the art may set the technical solution as needed, and the present invention is not limited thereto.
It should be noted that the above-described work flows are only exemplary, and do not limit the scope of the present invention, and in practical applications, a person skilled in the art may select some or all of them to achieve the purpose of the solution of the embodiment according to actual needs, and the present invention is not limited herein.
In addition, the technical details that are not described in detail in this embodiment can be referred to the nuclear phase and phasing method provided in any embodiment of the present invention, and are not described herein again.
Further, it is to be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention or portions thereof that contribute to the prior art may be embodied in the form of a software product, where the computer software product is stored in a storage medium (e.g. Read Only Memory (ROM)/RAM, magnetic disk, optical disk), and includes several instructions for enabling a terminal device (e.g. a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A nuclear phase and phasing apparatus, said apparatus comprising: the system comprises a first transmitter, a second transmitter and a hand held set, wherein the first transmitter and the second transmitter are respectively connected with a cable to be identified, and the first transmitter and the second transmitter are respectively connected with the hand held set through wireless communication; wherein,
The first transmitter is used for sampling first phase information of a first line of the cable to be identified and transmitting the first phase information to the handset in real time;
the second transmitter is used for sampling second phase information of a second line of the cable to be identified and transmitting the second phase information to the handset in real time;
the handset is used for receiving the first phase information and the second phase information, calculating a phase difference value, and judging whether the first line and the second line are in the same phase or not according to the phase difference value;
the first transmitter comprises a first radio frequency transmitting circuit, and the first radio frequency transmitting circuit is used for sampling a first alternating current signal of a first line of the cable to be identified, converting the first alternating current signal into a first square wave signal, converting the first square wave signal into first carrier information, and transmitting the first carrier information to the handset in real time;
the second transmitter comprises a second radio frequency transmitting circuit, and the second radio frequency transmitting circuit is used for sampling a second alternating current signal of a second line of the cable to be identified, converting the second alternating current signal into a second square wave signal, converting the second square wave signal into second carrier information, and transmitting the second carrier information to the handset in real time;
The handset is further configured to receive the first carrier information and the second carrier information, demodulate the first carrier information and the second carrier information to obtain the first square wave signal and the second square wave signal, calculate a square wave phase difference value, and determine whether the first line and the second line are in phase according to the square wave phase difference value;
the handset is also used for outputting current time information and current position information to external equipment when receiving satellite signals so as to enable the external equipment to work synchronously;
the first and second transmitters comprise transmitter charging circuitry, automatic switching circuitry, and radio frequency transmit circuitry; wherein,
the transmitter charging circuit is used for supplying power to the first transmitter and the second transmitter;
the automatic switch circuit is used for controlling the first transmitter and the second transmitter to start working when being connected with the cable to be identified and controlling the first transmitter and the second transmitter to stop working when being disconnected with the cable to be identified;
the radio frequency transmitting circuit comprises a first radio frequency transmitting circuit and a second radio frequency transmitting circuit, and is used for being in wireless communication connection with the handset;
The automatic switching circuit comprises a first N-channel MOS tube, a second N-channel MOS tube, a third N-channel MOS tube, a fourth N-channel MOS tube, a first capacitor and a first resistor; wherein the grid electrode of the first N-channel MOS tube is connected with the emitter charging circuit, the source electrode of the first N-channel MOS tube is grounded, the drain electrode of the first N-channel MOS tube is connected with the source electrode of the second N-channel MOS tube, the source electrode of the second N-channel MOS tube is also connected with the first end of the first resistor, the drain electrode of the second N-channel MOS tube is connected with the drain electrode of the third N-channel MOS tube, the grid electrode of the third N-channel MOS tube is connected with the drain electrode of the fourth N-channel MOS tube, the source electrode of the fourth N-channel MOS tube is grounded, the grid electrode of the fourth N-channel MOS tube is connected with the first end of the first resistor, the first end of the first resistor is further connected with the first end of the first capacitor, the second end of the first capacitor is connected with the second end of the first resistor, and the second end of the first capacitor is grounded.
2. The apparatus of claim 1, further comprising a cloud server, the handsets being connected in wireless communication with the cloud server, the handsets comprising a first handset and a second handset; wherein,
The first handset is used for receiving the first phase information;
the second handheld device is used for receiving the second phase information;
the cloud server is used for receiving the first phase information and the second phase information, sending the first phase information to the second handheld machine, and sending the second phase information to the first handheld machine;
the first handheld device is used for receiving the second phase information, calculating a phase difference value according to the first phase information and the second phase information, and judging whether the first line and the second line are in the same phase or not according to the phase difference value;
the second handheld device is used for receiving the first phase information, calculating a phase difference value according to the first phase information and the second phase information, and judging whether the first line and the second line are in phase or not according to the phase difference value.
3. The apparatus of claim 2, further comprising a phasing base station, the phasing base station connected in wireless communication with the cloud server; wherein,
the transmitter is used for sampling the phase information of the cable line to be identified and transmitting the phase information to the handset in real time;
The phasing base station is used for sampling a standard phase value of the cable line to be identified and sending the standard phase information to the cloud server;
the cloud server is used for sending the standard phase information to the handset;
and the handset is used for judging the phase sequence of the cable line to be identified according to the standard phase information and the phase information to finish phasing work.
4. The apparatus of claim 2, wherein the handset comprises handset charging circuitry, soft switching circuitry, radio frequency transmission circuitry, and a first communication module; wherein,
the handset charging circuit is used for supplying power to the handset;
the soft switching circuit is used for controlling the handset to start working when in wireless communication connection with the transmitter and controlling the handset to stop working when in wireless communication connection with the transmitter;
the radio frequency transmitting circuit comprises a third radio frequency transmitting circuit and a fourth radio frequency transmitting circuit, and is used for being in wireless communication connection with the transmitter;
the first communication module is used for being in wireless communication connection with the cloud server.
5. The apparatus of claim 3, wherein the phasing base station comprises a radio frequency transmit circuit and a second communication module; wherein,
The radio frequency transmitting circuit comprises a fifth radio frequency transmitting circuit and a sixth radio frequency transmitting circuit, and is used for being in wireless communication connection with the transmitter;
the second communication module is used for being in wireless communication connection with the cloud server.
6. The apparatus of claim 4, wherein the first communication module comprises a communication chip; wherein, the communication chip is used for realizing wireless communication synchronization.
7. The apparatus of claim 5, wherein the second communication module comprises a communication chip; wherein, the communication chip is used for realizing wireless communication synchronization.
8. A method of phasing and phasing, the method comprising:
sampling first phase information of a first line of a cable to be identified, and sending the first phase information to a handset in real time;
sampling second phase information of a second line of the cable to be identified, and sending the second phase information to the handset in real time;
receiving the first phase information and the second phase information, calculating a phase difference value, and judging whether the first line and the second line are in phase or not according to the phase difference value;
the step of sampling the first phase information of the first line of the cable to be identified and sending the first phase information to the handset in real time specifically comprises:
Sampling a first alternating current signal of a first line of the cable to be identified, converting the first alternating current signal into a first square wave signal, converting the first square wave signal into first carrier information, and sending the first carrier information to the handset in real time;
the step of sampling the second phase information of the second line of the cable to be identified and sending the second phase information to the handset in real time specifically comprises:
sampling a second alternating current signal of a second line of the cable to be identified, converting the second alternating current signal into a second square wave signal, converting the second square wave signal into second carrier information, and sending the second carrier information to the handset in real time;
the step of receiving the first phase information and the second phase information, calculating a phase difference value, and determining whether the first line and the second line are in phase according to the phase difference value specifically includes:
receiving the first carrier information and the second carrier information, demodulating the first carrier information and the second carrier information to obtain a first square wave signal and a second square wave signal, calculating a square wave phase difference value, and judging whether the first line and the second line are in phase according to the square wave phase difference value;
The first transmitter and the second transmitter comprise a transmitter charging circuit, an automatic switching circuit and a radio frequency transmitting circuit;
the transmitter charging circuit powers the first transmitter and the second transmitter;
the automatic switch circuit controls the first transmitter and the second transmitter to start working when being connected with the cable to be identified, and controls the first transmitter and the second transmitter to stop working when being disconnected with the cable to be identified;
the radio frequency transmitting circuit comprises a first radio frequency transmitting circuit and a second radio frequency transmitting circuit, and is in wireless communication connection with the handset;
the automatic switching circuit comprises a first N-channel MOS tube, a second N-channel MOS tube, a third N-channel MOS tube, a fourth N-channel MOS tube, a first capacitor and a first resistor; wherein the grid electrode of the first N-channel MOS tube is connected with the emitter charging circuit, the source electrode of the first N-channel MOS tube is grounded, the drain electrode of the first N-channel MOS tube is connected with the source electrode of the second N-channel MOS tube, the source electrode of the second N-channel MOS tube is also connected with the first end of the first resistor, the drain electrode of the second N-channel MOS tube is connected with the drain electrode of the third N-channel MOS tube, the grid electrode of the third N-channel MOS tube is connected with the drain electrode of the fourth N-channel MOS tube, the source electrode of the fourth N-channel MOS tube is grounded, the grid electrode of the fourth N-channel MOS tube is connected with the first end of the first resistor, the first end of the first resistor is further connected with the first end of the first capacitor, the second end of the first capacitor is connected with the second end of the first resistor, and the second end of the first capacitor is grounded.
9. The method of claim 8, wherein after the steps of receiving the first phase information and the second phase information, calculating a phase difference value, and determining whether the first line and the second line are in phase according to the phase difference value, the method further comprises:
sampling phase information of the cable line to be identified;
sampling a standard phase value of the cable line to be identified;
and receiving the standard phase information, and judging the phase sequence of the cable line to be identified according to the standard phase information and the phase information to finish phasing work.
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