CN111257669A - Power detection system and detection method thereof - Google Patents
Power detection system and detection method thereof Download PDFInfo
- Publication number
- CN111257669A CN111257669A CN202010053713.XA CN202010053713A CN111257669A CN 111257669 A CN111257669 A CN 111257669A CN 202010053713 A CN202010053713 A CN 202010053713A CN 111257669 A CN111257669 A CN 111257669A
- Authority
- CN
- China
- Prior art keywords
- power
- module
- monitoring instrument
- control module
- radio frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
The application relates to the technical field of control circuits, and provides an electric power detection system and a detection method thereof, wherein the electric power detection system comprises: the monitoring device comprises a signal acquisition module, a power supply module, a control module and a monitoring instrument, wherein the power supply module is respectively connected with the signal acquisition module and the control module; the power supply module is used for generating electric energy according to magnetic force generated by the current-carrying cable and respectively supplying power to the signal acquisition module and the control module, the signal acquisition module is used for acquiring electric power analog signals of the current-carrying cable, the control module is used for transmitting electric power digital signals converted from the electric power analog signals to the monitoring instrument, the control module is further used for carrying out information pairing with the monitoring instrument, and the monitoring instrument is used for displaying electric power parameters carried by the electric power digital signals when the pairing is successful. Through the implementation of the application, the problem that the measurement accuracy is low in the prior art can be solved.
Description
Technical Field
The application relates to the technical field of control circuits, in particular to a power detection system and a detection method thereof.
Background
With the continuous improvement of scientific and economic level and the continuous improvement of the demand on electric power, the conventional measuring instruments for measuring electric power cannot meet the measurement requirements of various scenes. For example, for the measurement of some current-carrying cables with large current and large voltage, a voltage reduction or current reduction process is generally required to be performed by a transformer so as to realize the safe measurement of the power parameters of the current-carrying cables.
At present, the mutual inductor among the prior is generally connected with the monitoring instrument through a signal line, the mutual inductor is connected with the monitoring instrument through a cable, the transmission of signals can be influenced in a scene with large electromagnetic interference, and further the measurement accuracy is influenced, meanwhile, when the mutual inductor is far away from the monitoring distance, the long-distance transmission is realized, and due to the influence of the internal resistance of the cable, the signals collected by monitoring can be distorted, so that the measurement accuracy is low.
In summary, the mutual inductor in the prior art has the problem of low measurement accuracy.
Disclosure of Invention
An object of the application is to provide an electric power detection system and a detection method thereof, which can solve the problem that a mutual inductor in the prior art has low measurement accuracy.
The present application is implemented as such, and a first embodiment of the present application provides an electric power detection system, including: the monitoring device comprises a signal acquisition module, a power supply module, a control module and a monitoring instrument, wherein the power supply module is respectively connected with the signal acquisition module and the control module;
the power supply module is used for generating electric energy according to magnetic force generated by the current-carrying cable and respectively supplying power to the signal acquisition module and the control module, the signal acquisition module is used for acquiring electric power analog signals of the current-carrying cable, the control module is used for transmitting electric power digital signals converted from the electric power analog signals to the monitoring instrument, the control module is further used for carrying out information pairing with the monitoring instrument, and the monitoring instrument is used for displaying electric power parameters carried by the electric power digital signals when the pairing is successful.
A second embodiment of the present application provides a detection method of a power detection system, including:
generating electric energy through a power supply module, wherein the power supply module generates the electric energy according to magnetic force generated by an external current-carrying cable;
the power supply module supplies power to the control module and the signal acquisition module;
when a pairing instruction is received, the control module and the monitoring instrument perform information pairing;
when the control module is successfully matched with the monitoring instrument, the control module controls the signal acquisition module to acquire a power analog signal of the current-carrying cable;
the collected electric power analog signal is sent to the control module through the signal collection module;
converting the electric power analog signal into an electric power digital signal through a control module and transmitting the electric power digital signal to a monitoring instrument in a wireless communication mode;
and displaying the power parameters carried by the power digital signals through the monitoring instrument.
The application provides an electric power detection system and a detection method thereof, by adopting the electric power detection system comprising a signal acquisition module, a power supply module, a control module and a monitoring instrument, the control module and the monitoring instrument in the power detection system can be paired with each other, when the control module and the monitoring instrument are successfully paired, when the power detection system is applied to the measurement of the power parameters of the external current-carrying cable, the control module controls the signal acquisition module to acquire the signals of the external current-carrying cable, and the electric power parameters are processed by the control module and sent to the monitoring instrument in a wireless communication mode, by implementing the method, the problem of low measurement accuracy of the mutual inductor in the prior art can be solved, and can realize matching earlier then gathering the electric power parameter, effectively prevent to be connected the mistake between monitor and meter and the electric power parameter.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a power detection system according to a first embodiment of the present application;
fig. 2 is a schematic structural diagram of a power detection system according to a first embodiment of the present application;
fig. 3 is a schematic structural diagram of a power detection system according to a first embodiment of the present application;
fig. 4 is a schematic structural diagram of a power detection system according to a first embodiment of the present application;
FIG. 5 is a schematic flow chart of a detection method of the power detection system according to the second embodiment of the present application;
fig. 6 is a flowchart of step S2 in the detection method of the power detection system according to the second embodiment of the present application;
fig. 7 is a flowchart of step S3 in the detection method of the power detection system according to the second embodiment of the present application;
fig. 8 is a flowchart of step S6 in the detection method of the power detection system according to the second embodiment of the present application;
fig. 9 is a flowchart of step S61 in the detection method of the power detection system according to the second embodiment of the present application.
The reference numbers of the specification are as follows:
11. a signal acquisition module; 12. a power supply module; 13 a control module; 121. a power supply inductance coil; 122. an electric energy processing unit; 131. a micro control unit; 132. a radio frequency transmitting unit; 1311. a micro-control subunit; 1312. an A/D conversion subunit; 2. a current carrying cable; 3. and monitoring the instrument.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clearly and clearly understood, the technical solutions in the embodiments of the present application will be described below in detail and completely with reference to the accompanying drawings in the embodiments of the present application. 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 application. In the following description, the same components are denoted by the same reference numerals, and redundant description thereof is omitted. The drawings are schematic and the ratio of the dimensions of the components and the shapes of the components may be different from the actual ones.
As shown in fig. 1, a power detection system according to a first embodiment of the present application includes: the monitoring system comprises a signal acquisition module 11, a power supply module 12, a control module 13 and a monitoring instrument 3.
Specifically, the power supply module 12 is respectively connected with the signal acquisition module 11 and the control module 13, the external current-carrying cable 2 passes through the signal acquisition module 11, the control module 13 is connected with the signal acquisition module 11, and the control module 13 is wirelessly connected with the monitoring instrument 3; the power supply module 12 is used for generating electric energy according to magnetic force generated by the current-carrying cable 2 and respectively supplying power to the signal acquisition module 11 and the control module 13, the signal acquisition module 11 is used for acquiring electric power analog signals of the current-carrying cable 2, the control module 13 is used for transmitting electric power digital signals converted from the electric power analog signals to the monitoring instrument 3, the control module 13 is also used for carrying out information pairing with the monitoring instrument 3, and the monitoring instrument 3 is used for displaying electric power parameters carried by the electric power digital signals when the pairing is successful.
It is to be noted that the "external current carrying cable" described in the present embodiment is "external" with respect to the power detection system, and is not "external" to the environment in which the power detection system is located.
The power parameter may be, but is not limited to, the current, voltage, etc. of the current carrying cable 2.
The monitoring instrument 3 is wirelessly connected with the control module 13, and the wireless communication mode between the monitoring instrument 3 and the control module 13 may be at least one of WLAN, mobile communication network, ZigBee and wifi.
Wherein, control module 13 can control the operating condition of signal acquisition module 11, after pairing between monitoring instrument 3 and control module 13 succeeds, control module 13 can control signal acquisition module 11 to gather the electric power analog signal of current-carrying cable 2, signal acquisition module 11 sends the electric power analog signal who acquires to control module 13, control module 13 converts electric power analog signal into electric power digital signal and sends this electric power digital signal to monitoring instrument 3, monitoring instrument 3 shows the electric power parameter that electric power digital signal carried.
It should be noted that, in this embodiment, the power parameter represented by the power analog signal collected by the signal collection module 11 from the current-carrying cable 2 should be smaller than the actual power parameter of the current-carrying cable 2, and the control module 13 converts the analog signal into a power digital signal, in this case, the power digital signal may be the actual power parameter of the current-carrying cable 2, or may be the reduced power parameter of the current-carrying cable 2. When the power digital signal is an actual power parameter of the current-carrying cable 2, the monitoring instrument 3 directly reads and obtains the actual power parameter of the current-carrying cable 2 without conversion processing after receiving the power digital signal sent by the control module 13; when the power digital signal is a power parameter of the current-carrying cable 2 after being reduced, the monitoring instrument 3 needs to be subjected to conversion processing after receiving the power digital signal sent by the control module 13, and the power parameter in the power digital signal is amplified according to a preset multiple to obtain an actual power parameter of the current-carrying cable 2.
In addition, since information pairing is required between the monitoring instrument 3 and the control module 13, both the monitoring instrument 3 and the control module 13 should be provided with a function module corresponding to the information pairing, so that the present embodiment can be implemented.
In addition, it should be noted that in this embodiment, before detecting the power parameter of the current-carrying cable 3, information pairing is performed, which can effectively avoid connection disorder between the control module 13 and the monitoring instrument 3, and prevent the monitoring instrument 3 from obtaining an incorrect power parameter.
In the embodiment, by adopting the power detection system comprising the signal acquisition module 11, the power supply module 12, the control module 13 and the monitoring instrument 3, information pairing can be performed between the control module 13 and the monitoring instrument 3 in the power detection system, when the pairing between the control module 13 and the monitoring instrument 3 is successful and the power detection system is applied to the power parameter measurement of the external current-carrying cable 2, the control module 13 controls the signal acquisition module 11 to acquire the signal of the external current-carrying cable 2, the signal is processed by the control module 13 and the power parameter is sent to the monitoring instrument 3 in a wireless communication mode, through the implementation of the embodiment, the problem of low measurement accuracy of the mutual inductor in the prior art can be solved, the power parameter can be acquired after being matched, and the connection error between the monitoring instrument 3 and the power parameter can be effectively prevented, meanwhile, the wireless connection between the mutual inductor and the monitoring instrument 3 can also effectively solve the problem that the connection between the mutual inductor and the monitoring instrument 3 is complicated through wired connection.
Further, as an implementation manner of the present embodiment, as shown in fig. 2, the control module 13 includes a micro control unit 131 and a radio frequency transmitting unit 132 connected to each other.
Specifically, the micro control unit 131 and the radio frequency transmitting unit 132 are respectively connected with the power supply module 12, the signal acquisition module 11 is connected with the micro control unit 131, and the radio frequency transmitting unit 132 is wirelessly connected with the monitoring instrument 3; the micro control unit 131 is configured to convert the power analog signal sent by the signal acquisition module 11 into a power digital signal, and send the power digital signal to the radio frequency transmitting unit 132, where the radio frequency transmitting unit 132 is configured to send the power digital signal to the monitoring instrument 3.
The signal acquisition module 11 sends the acquired power analog signal to the micro control unit 131, the micro control unit 131 converts the power analog signal into a power digital signal and then sends the power digital signal to the radio frequency transmitting unit 132, and the radio frequency transmitting unit 132 sends the power digital signal to the monitoring instrument 3 in a wireless communication manner.
The rf transmitting unit 132 may be a wireless transmitting/receiving device with transceiving function, and the type of the wireless transmitting/receiving device is not particularly limited. It should be noted that, in the present embodiment, a wireless transmitting and receiving device capable of wirelessly communicating with the radio frequency transmitting unit 132 should also be provided in the monitoring meter 3.
In this implementation, by setting the micro control unit 131 and the radio frequency transmitting unit 132 in the control module 13, the control module 13 and the monitoring instrument 3 can realize wireless communication, thereby effectively avoiding data distortion caused by signal interference, loss and the like of long-distance wired connection, and improving the accuracy of detecting the power parameter of the current-carrying cable 2.
Further, as an implementation manner of the present embodiment, the monitoring meter 3 stores first pairing information for being sent to the micro control unit 131 through the radio frequency transmitting unit 132, and the micro control unit 131 stores second pairing information for being sent to the monitoring meter 3 through the radio frequency transmitting unit 132.
The first pairing information at least comprises at least one of a monitoring instrument ID and a pairing password, and the second pairing information at least comprises at least one of a transformer ID and a pairing password.
It is to be noted that, in the present embodiment, there are two cases: when the monitoring instrument 3 and the control module are never paired, the monitoring instrument 3 sends first pairing information (a monitoring instrument ID and a pairing password) to the micro control unit 131 through the radio frequency transmitting unit 132, the micro control unit 131 sends second pairing information (a transformer ID and a pairing password) to the monitoring instrument 3 through the radio frequency transmitting unit 132, when the pairing password sent by the monitoring instrument 3 is the same as the pairing password sent by the micro control unit 131, pairing is successful, meanwhile, the monitoring instrument 3 records the transformer ID in the second pairing information, and the micro control module 13 records the monitoring instrument ID in the first pairing information.
When the monitoring instrument 3 is paired with the control module 3 before, the monitoring instrument 3 sends first pairing information (monitoring instrument ID and/or pairing password) to the micro control unit 131 through the radio frequency transmitting unit 132, the micro control unit 131 sends second pairing information (mutual inductor ID and/or pairing password) to the monitoring instrument 3 through the radio frequency transmitting unit 132, when the monitoring instrument ID sent by the monitoring instrument 3 is stored in the micro control unit 131 and the mutual inductor ID sent by the micro control unit 131 is stored in the monitoring instrument 3, and/or when the pairing password sent by the monitoring instrument 3 is the same as the pairing password sent by the micro control unit 131, successful pairing is represented.
In this embodiment, the first pairing information for being sent to the micro control unit 131 through the radio frequency transmitting unit 132 is stored in the monitoring instrument 3, and the second pairing information for being sent to the monitoring instrument 3 through the radio frequency transmitting unit 132 is stored in the micro control unit 131, so that the monitoring instrument 3 and the micro control unit 131 can be paired, and the pairing efficiency can be effectively improved according to the pairing condition between the monitoring instrument 3 and the micro control unit 13.
Further, as an implementation manner of the present embodiment, as shown in fig. 3, the micro control unit 131 includes a micro control subunit 1311 and an a/D conversion subunit 1312 connected to each other.
Specifically, the micro-control subunit 1311 and the a/D conversion subunit 1312 are respectively connected to the power supply module 12, and the a/D conversion subunit 1312 is further connected to the radio frequency transmitting unit 132; the micro-control subunit 1311 is configured to control the operating states of the signal acquisition module 11, the a/D conversion subunit 1312 and the radio frequency transmission unit 132, and the micro-control subunit 1311 is further configured to receive the power analog signal sent by the signal acquisition module 11 and send the power analog signal to the a/D conversion subunit 1312, and the a/D conversion subunit 1312 is configured to send the digital analog signal converted from the power analog signal to the radio frequency transmission unit 132.
The a/D conversion subunit 1312 may be a signal conversion device that converts an analog signal into a digital signal, and the type of the chip in the a/D conversion subunit 1312 is not particularly limited herein.
In addition, it should be noted that, in the present embodiment, the power supply module 11 can supply power to the a/D conversion sub-unit 1312, and the micro-control sub-unit 1311 can control the operating state of the a/D conversion sub-unit 1312.
In the present embodiment, by providing the micro-control subunit 1311 and the a/D conversion subunit 1312 in the micro-control unit 131, the power analog signal acquired by the signal acquisition module 11 can be converted into a power digital signal, and the power digital signal is sent to the radio frequency transmission unit 132.
Further, as an implementation manner of the present embodiment, as shown in fig. 4, the power supply module 12 includes a power supply inductance coil 121 and a power processing unit 122.
Specifically, the power supply inductance coil 121 and the power processing unit 122 are connected to each other, and the power processing unit 122 is further connected to the control module 13; the power supply inductance coil 121 is configured to generate electric energy according to magnetic force generated by the current-carrying cable 2, and the electric energy processing unit 122 is configured to perform rectification, energy storage, voltage boosting, and voltage stabilization on the electric energy.
The power supply inductance coil 121 generates alternating current according to a magnetic field and a magnetic generating principle generated by the current carrying cable 2, and the electric energy processing unit 122 performs rectification, energy storage, voltage boosting and voltage stabilization processing on the alternating current to obtain direct current meeting the input standard of the micro-control subunit 1311, the a/D conversion subunit 1312, the signal acquisition module 11 and the radio frequency transmitting unit 132 so as to provide electric energy for the micro-control subunit 1311, the a/D conversion subunit 1312, the signal acquisition module 11 and the radio frequency transmitting unit 132.
In addition, it should be noted that the electric energy processing unit 122 may be a combination of electronic components having functions of rectifying, storing energy, boosting, stabilizing voltage, and the like, and may be, for example, a transistor, a diode, a capacitor, and the like.
In this embodiment, the power supply inductive coil 121 and the power processing unit 122 are disposed in the power supply module 12, so that the power supply module 12 can provide power for each module/unit/sub-unit without separate external power supply, thereby saving power and expanding application scenarios of the power detection system.
As shown in fig. 5, the second embodiment of the present application provides a detection method of an electric power detection system, the electric power detection system is the same as the electric power detection system provided in the first embodiment of the present application, and the detection method provided in the second embodiment of the present application is an application method of the electric power detection system provided in the first embodiment of the present application, and the detection method of the electric power detection system includes the following steps S1 to S7.
Step S1: the power supply module 12 generates electric energy, and the power supply module 12 generates electric energy according to magnetic force generated by the external current-carrying cable 2.
The power supply module 12 generates electric energy according to a magnetic generating principle.
It is to be noted that the "external current carrying cable" described in the present embodiment is "external" with respect to the power detection system, and is not "external" to the environment in which the power detection system is located. Step S2: the control module 13 and the signal acquisition module 11 are powered by the power supply module 12.
The power supply module 12 supplies power to the control module 13 and the acquisition module 11 through cables.
Step S3: and when the pairing instruction is received, the control module 13 and the monitoring instrument 3 perform information pairing.
The pairing instruction may be an instruction for the user to operate the monitoring meter 3 to pair the monitoring meter 3 with the control module 13.
Step S4: when the control module 13 is successfully paired with the monitoring instrument 3, the control module 13 controls the signal acquisition module 11 to acquire the electric power analog signal of the current-carrying cable 2.
The power parameter represented by the power analog signal acquired by the signal acquisition module 11 from the current-carrying cable 2 should be smaller than the actual power parameter of the current-carrying cable 2.
In addition, for step S4, for specific reference to the detailed description in the first embodiment of the present application that "the monitoring meter 3 stores the first pairing information for being sent to the micro control unit 131 through the radio frequency transmitting unit 132, and the micro control unit 131 stores the second pairing information for being sent to the monitoring meter 3 through the radio frequency transmitting unit 132", details of the pairing between the control module 13 and the monitoring meter 3 are not described herein again. Step S5: the collected power analog signal is sent to the control module 13 through the signal collection module 11.
The specific signal acquisition module 11 may specifically send the acquired electric power analog signal to the control module 13 through a cable.
Step S6: the power analog signal is converted into a power digital signal by the control module 13 and the power digital signal is transmitted to the monitoring meter 3 by wireless communication.
The monitoring instrument 3 is wirelessly connected with the control module 13, and the wireless communication mode between the monitoring instrument 3 and the control module 13 may be at least one of bluetooth, WLAN, mobile communication network, ZigBee and wifi.
In addition, in the present embodiment, the control module 13 converts the analog signal into a power digital signal, and in this case, the power digital signal may be an actual power parameter of the current-carrying cable 2 or a power parameter of the current-carrying cable 2 which is reduced.
Step S7: and displaying the power parameters carried by the power digital signals through the monitoring instrument 3.
The power parameter may be, but is not limited to, the current, voltage, etc. of the current carrying cable 2.
In addition, when the power digital signal is an actual power parameter of the current-carrying cable 2, the monitoring instrument 3 receives the power digital signal sent by the control module 13, and directly reads and obtains the actual power parameter of the current-carrying cable 2 without conversion processing; when the power digital signal is a power parameter of the current-carrying cable 2 after being reduced, the monitoring instrument 3 needs to be subjected to conversion processing after receiving the power digital signal sent by the control module 13, and the power parameter in the power digital signal is amplified according to a preset multiple to obtain an actual power parameter of the current-carrying cable 2.
In the present embodiment, through the implementation of the above-described steps S1 to S7, information pairing is enabled between the control module 13 and the monitoring meter 3 in the power detection system, when the pairing between the control module 13 and the monitoring meter 3 is successful, and the power detection system is applied to the measurement of the power parameter of the external current carrying cable 2, the control module 13 controls the signal acquisition module 11 to acquire signals of the external current-carrying cable 2, and processed by the control module 13 and transmitted to the monitoring meter 3 in a wireless communication manner, through the implementation of the embodiment, the problem of low measurement accuracy of the mutual inductor in the prior art can be solved, and can realize the matching and then the collection of the power parameters, effectively prevent the connection error between the monitoring instrument 3 and the power parameters, meanwhile, the wireless connection between the mutual inductor and the monitoring instrument 3 can also effectively solve the problem that the connection between the mutual inductor and the monitoring instrument 3 is complicated through wired connection.
Further, as an implementation manner of this embodiment, the step S1 may specifically include the following:
the power supply induction coil 121 generates electric energy, and the power supply induction coil 121 generates electric energy according to the magnetic force generated by the current carrying cable 2.
Wherein the power supply induction coil 121 generates an alternating current according to the magnetic field generated by the current carrying cable 2 and the magnetic generating principle.
As for the above step S2, as shown in fig. 6, the above step S2 may specifically include the following steps S21 to S22.
Step S21: the electric energy is rectified, stored, boosted and stabilized by the electric energy processing unit 122.
The alternating current generated by the power supply inductance coil 121 is rectified, stored, boosted and stabilized by the electric energy processing unit 122, so as to obtain direct current meeting the input standard of the micro-control subunit 1311, the a/D conversion subunit 1312, the signal acquisition module 11 and the radio frequency transmitting unit 132.
Step S22: the electric energy processed by rectification, energy storage, voltage boosting and voltage stabilization is supplied to the control module 13 and the signal acquisition module 11 through the electric energy processing unit 122.
Specifically, the direct current conforming to the input standard of the micro-control subunit 1311, the a/D conversion subunit 1312, the signal acquisition module 11 and the radio frequency transmission unit 132 is used for providing electric energy for the micro-control subunit 1311, the a/D conversion subunit 1312, the signal acquisition module 11 and the radio frequency transmission unit 132.
For the above descriptions of step S1 to step S22, reference may also be made to the detailed description of "power supply induction coil 121 and power processing unit 122" in the first embodiment of the present application, which is not repeated herein.
As to the step S3, as an implementation manner of the present embodiment, as shown in fig. 7, the step S3 includes:
step S31: the first pairing information is sent to the micro control unit 131 by the monitoring meter 3 via the radio frequency transmission unit 132, and the second pairing information is sent to the monitoring meter 3 by the micro control unit 131 via the radio frequency transmission unit 132.
The first pairing information at least comprises at least one of a monitoring instrument ID and a pairing password, and the second pairing information at least comprises at least one of a transformer ID and a pairing password. Step S32: when the first pairing information sent by the monitoring instrument 3 is the same as the first pairing information stored in the micro control unit 131, and the second pairing information sent by the micro control unit 131 is the same as the second pairing information stored in the monitoring instrument 3, the control module 13 is successfully paired with the external monitoring instrument 3.
Among them, for the above step S31 to step S32, there are two cases: when the monitoring instrument 3 and the control module are never paired, the monitoring instrument 3 sends first pairing information (a monitoring instrument ID and a pairing password) to the micro control unit 131 through the radio frequency transmitting unit 132, the micro control unit 131 sends second pairing information (a transformer ID and a pairing password) to the monitoring instrument 3 through the radio frequency transmitting unit 132, when the pairing password sent by the monitoring instrument 3 is the same as the pairing password sent by the micro control unit 131, pairing is successful, meanwhile, the monitoring instrument 3 records the transformer ID in the second pairing information, and the micro control module 13 records the monitoring instrument ID in the first pairing information.
When the monitoring instrument 3 is paired with the control module 3 before, the monitoring instrument 3 sends first pairing information (monitoring instrument ID and/or pairing password) to the micro control unit 131 through the radio frequency transmitting unit 132, the micro control unit 131 sends second pairing information (mutual inductor ID and/or pairing password) to the monitoring instrument 3 through the radio frequency transmitting unit 132, when the monitoring instrument ID sent by the monitoring instrument 3 is stored in the micro control unit 131 and the mutual inductor ID sent by the micro control unit 131 is stored in the monitoring instrument 3, and/or when the pairing password sent by the monitoring instrument 3 is the same as the pairing password sent by the micro control unit 131, successful pairing is represented.
For the above description of step S31 to step S32, reference may be made to the detailed description in the first embodiment of the present application about "the monitoring meter 3 stores the first pairing information for being sent to the micro control unit 131 through the radio frequency transmitting unit 132, and the micro control unit 131 stores the second pairing information for being sent to the monitoring meter 3 through the radio frequency transmitting unit 132", and details of this description are omitted here.
In the present embodiment, through the implementation of the above steps S31 to S32, the monitoring meter 3 and the micro control unit 131 can be paired, and the pairing efficiency can be effectively improved according to the previous pairing condition between the monitoring meter 3 and the micro control unit 13. As to the step S6, as an implementation manner of the present embodiment, as shown in fig. 8, the step S6 includes:
step S61: converting the power analog signal into a power digital signal by the micro control unit 131, and transmitting the power digital signal to the rf transmitting unit 132 in the control module 13;
step S62: the power digital signal is transmitted to the monitoring meter 3 by wireless communication through the radio frequency transmitting unit 132.
For the above steps S61 to S62, reference may be made to the above detailed description of the "micro control unit 131 and the rf transmitting unit 132" in the first embodiment of the present application, which is not repeated herein.
In this embodiment, through the implementation of the steps S61 to S62, the control module 13 and the monitoring instrument 3 can realize wireless communication, so that data distortion caused by signal interference, loss and the like of long-distance wired connection is effectively avoided, and the accuracy of detecting the power parameter of the current-carrying cable 2 is improved.
As to the step S61, as an implementation manner of the present embodiment, as shown in fig. 9, the step S6 may specifically include the following steps S611 to S612.
Step S611: transmitting the power analog signal to the a/D conversion subunit 1312 in the micro control unit 131 through the micro control subunit 1311;
step S612: the power analog signal is converted into a digital analog signal by the a/D conversion sub-unit 1312, and the digital analog signal is sent to the radio frequency transmission unit 132.
For the above steps S611 to S612, reference may be specifically made to the detailed description about the "micro control subunit 1311 and the a/D conversion subunit 1312" in the first embodiment of the present application, which is not described herein again.
In the present embodiment, through the implementation of the above steps S611 to S612, the power analog signal acquired by the signal acquisition module 11 can be converted into a power digital signal, and the power digital signal is sent to the radio frequency transmitting unit 132.
It should be particularly noted that the detection method of the power detection system provided in the second embodiment of the present application is essentially an application method of each module/unit/subunit and the monitoring instrument 3 in the power detection system provided in the first embodiment of the present application, and the application methods of each module/unit/subunit and the monitoring instrument 3 in the power detection system provided in the first embodiment of the present application have been described in detail, and the detection method of the power detection system provided in the second embodiment of the present application should correspond to the application methods of each module/unit/subunit and the monitoring instrument 3 in the power detection system provided in the first embodiment of the present application one to one, and will not be described herein again.
It should be understood that, the sequence numbers of the steps in the second embodiment do not mean the execution sequence, and the execution sequence of each process should be determined by the function and the inherent logic of the process, and should not constitute any limitation to the implementation process of the embodiment of the present invention.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill 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 substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (10)
1. An electrical power detection system, comprising: the device comprises a signal acquisition module, a power supply module, a control module and a monitoring instrument, wherein the power supply module is respectively connected with the signal acquisition module and the control module, an external current-carrying cable penetrates through the signal acquisition module, the control module is connected with the signal acquisition module, and the control module is wirelessly connected with the monitoring instrument;
the power supply module is used for generating electric energy according to magnetic force generated by the current-carrying cable and respectively supplying power to the signal acquisition module and the control module, the signal acquisition module is used for acquiring electric power analog signals of the current-carrying cable, the control module is used for transmitting electric power digital signals converted from the electric power analog signals to the monitoring instrument, the control module is further used for carrying out information pairing with the monitoring instrument, and the monitoring instrument is used for displaying electric power parameters carried by the electric power digital signals when the pairing is successful.
2. The power detection system of claim 1, wherein the control module comprises a micro control unit and a radio frequency transmitting unit which are connected with each other, the micro control unit and the radio frequency transmitting unit are respectively connected with the power supply module, the signal acquisition module is connected with the micro control unit, and the radio frequency transmitting unit is wirelessly connected with the monitoring instrument;
the micro control unit is used for converting the electric power analog signals sent by the signal acquisition module into electric power digital signals and sending the electric power digital signals to the radio frequency transmitting unit, and the radio frequency transmitting unit is used for sending the electric power digital signals to the monitoring instrument.
3. The power detection system of claim 2, wherein the monitoring meter stores first pairing information for transmission to the micro control unit via the radio frequency transmission unit, and the micro control unit stores second pairing information for transmission to the monitoring meter via the radio frequency transmission unit.
4. The power detection system according to claim 2, wherein the micro control unit comprises a micro control subunit and an a/D conversion subunit which are connected with each other, the micro control subunit and the a/D conversion subunit are respectively connected with the power supply module, and the a/D conversion subunit is further connected with the radio frequency transmitting unit;
the micro control subunit is used for controlling the working states of the signal acquisition module, the A/D conversion subunit and the radio frequency emission unit, the micro control subunit is also used for receiving the electric power analog signals sent by the signal acquisition module and sending the electric power analog signals to the A/D conversion subunit, and the A/D conversion subunit is used for sending the digital analog signals converted by the electric power analog signals to the radio frequency emission unit.
5. The power detection system of claim 1, wherein the power supply module comprises a power supply inductive coil and a power processing unit connected to each other, the power processing unit further connected to the control module;
the power supply inductance coil is used for generating electric energy according to the magnetic force generated by the current-carrying cable, and the electric energy processing unit is used for rectifying, storing energy, boosting and stabilizing the electric energy.
6. A detection method of a power detection system, comprising:
generating electric energy through a power supply module, wherein the power supply module generates the electric energy according to magnetic force generated by an external current-carrying cable;
the power supply module supplies power to the control module and the signal acquisition module;
when a pairing instruction is received, the control module and the monitoring instrument perform information pairing;
when the control module is successfully matched with the monitoring instrument, the control module controls the signal acquisition module to acquire the electric power analog signal of the current-carrying cable;
sending the collected electric power analog signal to the control module through the signal collection module;
converting the power analog signal into a power digital signal through the control module and transmitting the power digital signal to the monitoring instrument in a wireless communication mode;
and displaying the electric power parameters carried by the electric power digital signal through the monitoring instrument.
7. The method of claim 6, wherein the converting the power analog signal into a power digital signal by the control module and transmitting the power digital signal to the monitoring meter by wireless communication comprises:
converting the power analog signal into a power digital signal through a micro-control unit, and sending the power digital signal to a radio frequency transmitting unit in the control module;
and sending the power digital signal to the monitoring instrument in a wireless communication mode through the radio frequency transmitting unit.
8. The method of claim 7, wherein the information pairing of the control module and the monitoring instrument comprises:
sending first pairing information to the micro control unit through the radio frequency transmitting unit by the monitoring instrument, and sending second pairing information to the monitoring instrument through the radio frequency transmitting unit by the micro control unit;
and when the first pairing information sent by the monitoring instrument is the same as the first pairing information stored by the micro control unit, and the second pairing information sent by the micro control unit is the same as the second pairing information stored by the monitoring instrument, the control module is successfully paired with the external monitoring instrument.
9. The method for detecting the power detection system according to claim 7, wherein the converting the power analog signal into a power digital signal by the micro control unit and sending the power digital signal to the radio frequency transmitting unit in the control module comprises:
sending the power analog signal to an A/D conversion subunit in a micro control unit through the micro control subunit;
and converting the electric power analog signal into a digital analog signal through the A/D conversion subunit, and sending the digital analog signal to the radio frequency transmitting unit.
10. The method of claim 6, wherein the generating electrical energy by a power module, the power module generating the electrical energy according to magnetic force generated by an external current-carrying cable, comprises: generating electric energy through a power supply inductance coil, wherein the power supply inductance coil generates the electric energy according to magnetic force generated by the current-carrying cable;
the step of supplying power to the control module and the signal acquisition module through the power supply module comprises the following steps:
the electric energy is rectified, stored, boosted and stabilized through an electric energy processing unit;
the electric energy after rectification, energy storage, voltage boosting and voltage stabilizing is supplied to the control module and the signal acquisition module through the electric energy processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010053713.XA CN111257669A (en) | 2020-01-17 | 2020-01-17 | Power detection system and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010053713.XA CN111257669A (en) | 2020-01-17 | 2020-01-17 | Power detection system and detection method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111257669A true CN111257669A (en) | 2020-06-09 |
Family
ID=70947691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010053713.XA Pending CN111257669A (en) | 2020-01-17 | 2020-01-17 | Power detection system and detection method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111257669A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093679A (en) * | 2016-06-23 | 2016-11-09 | 顾鸿鸣 | A kind of cable on-line checking and fault diagnosis system |
| CN109744856A (en) * | 2019-03-25 | 2019-05-14 | 上海绿瓦电气有限公司 | Wireless temperature measuring device, wireless temperature measurement cooking pot and wireless temperature measurement pot and stove system |
-
2020
- 2020-01-17 CN CN202010053713.XA patent/CN111257669A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093679A (en) * | 2016-06-23 | 2016-11-09 | 顾鸿鸣 | A kind of cable on-line checking and fault diagnosis system |
| CN109744856A (en) * | 2019-03-25 | 2019-05-14 | 上海绿瓦电气有限公司 | Wireless temperature measuring device, wireless temperature measurement cooking pot and wireless temperature measurement pot and stove system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109861353B (en) | Wireless charging receiver and wireless charging method | |
| JP6110236B2 (en) | Power receiving device and non-contact power feeding system | |
| KR101896921B1 (en) | Wireless power receiver and method for controlling thereof | |
| US9450455B2 (en) | Magnetic resonance power transmitter and magnetic resonance power receiver | |
| JP6045141B2 (en) | Electronic device and program | |
| JP5959862B2 (en) | Power supply apparatus and program | |
| US10523061B2 (en) | Power receiving device, power feeding device, and electronic apparatus | |
| CN105914899B (en) | It is a kind of can two-way operation radio energy transmission system and method | |
| US9026046B2 (en) | Load modulating regulator for a near filed communication device | |
| KR20140064325A (en) | Wireless power receiver | |
| JP2014506111A (en) | System for wireless power transmission | |
| CN108429364B (en) | Mobile terminal, charging device and charging method thereof | |
| US9614402B2 (en) | Power transmission apparatus, power reception apparatus, wireless power feeding system, and control method thereof | |
| JP2014007862A (en) | Power supply device and control method | |
| KR20170044495A (en) | Apparatus for transmiting power wirelessly and control method using the same | |
| JP6632326B2 (en) | Power transmission device, power transmission device control method, and program | |
| US10277076B2 (en) | Power receiving unit, power receiving method, and feed system | |
| CN105990890A (en) | Charging relay device and charging relay method | |
| JP6392771B2 (en) | Wireless power receiving apparatus, control circuit thereof, electronic device using the same, and method for calculating received power | |
| KR20210034282A (en) | Efficient wireless power charging apparatus and method thereof | |
| CN111257669A (en) | Power detection system and detection method thereof | |
| JP5939637B2 (en) | Power efficiency control method and power efficiency control program for power transmission system | |
| US9715962B2 (en) | Controlling a contactless energy transmission by means of a characteristic of a resonant circuit | |
| US20210376642A1 (en) | Electronic device to wirelessly receive power and operating method thereof | |
| JP2015154512A (en) | Electronic equipment and power transmission device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200609 |
|
| RJ01 | Rejection of invention patent application after publication |