CN114113777B - Ammeter capable of improving safety factor - Google Patents
Ammeter capable of improving safety factor Download PDFInfo
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- CN114113777B CN114113777B CN202111348967.5A CN202111348967A CN114113777B CN 114113777 B CN114113777 B CN 114113777B CN 202111348967 A CN202111348967 A CN 202111348967A CN 114113777 B CN114113777 B CN 114113777B
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- 238000007405 data analysis Methods 0.000 claims description 10
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- 238000005259 measurement Methods 0.000 description 4
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- 230000009286 beneficial effect Effects 0.000 description 1
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/066—Arrangements for avoiding or indicating fraudulent use
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/24—Arrangements for avoiding or indicating fraudulent use
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/063—Details of electronic electricity meters related to remote communication
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/065—Details of electronic electricity meters related to mechanical aspects
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/34—User authentication involving the use of external additional devices, e.g. dongles or smart cards
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/30—Smart metering, e.g. specially adapted for remote reading
Abstract
The application relates to an ammeter for improving the safety coefficient, aiming at solving the technical problem that the ammeter is installed in a user home, and an electricity management department cannot monitor the ammeter and leaves a machine capable of tampering the ammeter, and the ammeter comprises an ammeter body, a metering chip, a master control device and a communication device; a sealing cover plate is hinged to one side of the electric meter body, and a locking assembly is arranged on the sealing cover plate away from the hinged position of the sealing cover plate and the electric meter body; the surface that the ammeter body faced the closing cap board is provided with many conductive probe, the surface that the closing cap board faced conductive probe is provided with a plurality of storage coil, be provided with the power on one of them conductive probe, be provided with signal reading module on the ammeter body, signal reading module electricity is connected in master control set in order to send closed data, master control set includes signal identification module, signal identification module is used for sending out the unpacking signal and gives communication device in order to send out unpacking information through communication device when unable a plurality of closed data of receiving simultaneously. The electric meter monitoring system has the effect of effectively monitoring the electric meter.
Description
Technical Field
The application relates to the field of power consumption measurement, in particular to an ammeter with improved safety factor.
Background
An electric meter is an instrument for measuring point energy, also called an electric meter, a fire meter, an electric energy meter and the like, and is used for measuring electricity consumption and generally used as a basis for collecting electricity charges by a power supply department.
In the related art, chinese patent publication No. CN102103165A discloses an electricity meter, which includes a dedicated electric energy metering chip, a single chip, a display device, and a communication module. The electric energy special metering chip collects corresponding metering data of electric energy parameters; the single chip microcomputer receives the metering data, stores the metering data into a memory arranged in the single chip microcomputer, performs simple analysis and judgment, controls the single chip microcomputer, converts the metering data into electricity utilization data, outputs the electricity utilization data to a display device for display, and transmits the electricity utilization data to the communication module; the communication module transmits the electricity utilization data to a main server of a power company, receives a control instruction sent by the main server and transmits the control instruction to the single chip microcomputer, and the single chip microcomputer adjusts the operation mode of the electric equipment.
In the process of implementing the application, the inventor finds that at least the following problems exist in the technology: because the electric meter is installed at the home of a user, the power utilization management department cannot monitor the electric meter, and a riding machine for tampering the electric meter is left for lawbreakers.
Disclosure of Invention
In order to improve the factor of safety of ammeter, this application provides an improve factor of safety's ammeter.
The application provides a pair of improve factor of safety's ammeter adopts following technical scheme:
an ammeter for improving the safety coefficient comprises an ammeter body, a metering chip arranged in the ammeter body, a master control device used for reading data of the metering chip and a communication device used for sending the data read by the master control device; a sealing cover plate is hinged to one side of the ammeter body, and a locking assembly is arranged on the sealing cover plate away from the position where the sealing cover plate is hinged to the ammeter body; the electric meter comprises an electric meter body and is characterized in that a plurality of conductive probes are arranged on the surface of the electric meter body facing a cover plate, a plurality of storage coils which are abutted to the conductive probes are arranged on the surface of the cover plate facing the conductive probes, the conductive probes are used for conducting two adjacent storage coils, a power supply used for supplying power to the conductive coils is arranged on one conductive probe, closed data are stored in the storage coils, a signal reading module is arranged on the electric meter body and electrically connected to a main control device to send the closed data, the main control device comprises a signal identification module which is electrically connected to a communication device, and the signal identification module is used for sending a box opening signal to the communication device to send box opening information through the communication device when a plurality of closed data cannot be received simultaneously.
Through adopting above-mentioned technical scheme, when falsifying the ammeter, need take off the closing cap board on ammeter body surface, when the closing cap board breaks away from ammeter body, the power can't supply power to memory coil, therefore signal reading module can't acquire a plurality of closed data simultaneously, show this moment that the closing cap board is removed from ammeter body's surface, signal identification module sends out the unpacking signal for communication device in order to send the unpacking signal to power management department through communication device this moment, thereby make power management department can in time learn the closing cap board and opened, power supply department can arrange to patrol and examine the personnel and go to patrol and examine the affirmation before, thereby greatly reduced the probability that the ammeter was tampered, the factor of safety of ammeter has been improved.
Preferably, the master control device further comprises a data acquisition module electrically connected to the metering chip, the data acquisition module is used for sending an acquisition instruction to the metering chip to acquire the open-box electric meter reading when the plurality of closed data cannot be received simultaneously, and the data acquisition module is electrically connected to the communication device to transmit the acquired open-box electric meter reading to the power supply management department.
Through adopting above-mentioned technical scheme, the data acquisition module electricity among the master control set is connected in the measurement chip, can obtain the unpacking ammeter reading when the closing cap board is opened and send for the power supply management department through communication device so that the power supply management department prestores through the measurement chip when can't receive a plurality of closed data simultaneously, therefore even if the electricity use reading on the ammeter body is tampered not influence the charges of electricity before tampering and collect.
Preferably, master control set still rechecks the module including the data of electricity connection in metering chip, data recheck the module and be used for acquireing the case of closing ammeter reading when a plurality of closed data are received simultaneously again after unable a plurality of closed data of receiving simultaneously, data recheck module electricity is connected with electric quantity check module, electric quantity check module is used for carrying out the comparison with the case of closing ammeter reading and sends alarm information when the case of closing ammeter reading is less than the case of opening ammeter reading.
Through adopting above-mentioned technical scheme, data recheck module can obtain the case of closing ammeter reading through measurement chip when can't receive a plurality of closed data simultaneously again after receiving a plurality of closed data simultaneously, the case of closing ammeter reading that acquires this moment is the power consumption degree when the closing plate closes once more, electric quantity check module carries out the comparison with case of opening ammeter reading and case of closing ammeter reading, if case of closing ammeter reading is less than the case of opening ammeter reading, then show that the data of ammeter has suffered the manipulation this moment, therefore electric quantity check module sends alarm information to communication device and sends alarm information for power supply management department through communication device, so that power supply management department in time handles.
Preferably, the surface of the electric meter body facing the cover plate is provided with an image acquisition device, and the image acquisition device is electrically connected to the signal reading module so as to acquire image data of personnel in front of the electric meter body when a plurality of closed data cannot be received simultaneously and send the image data to a power supply management department through a communication device.
Through adopting above-mentioned technical scheme, image acquisition device can gather the image data of personnel before the ammeter body when signal reading module can't receive a plurality of closed data simultaneously, no matter the power supply management personnel who overhauls before this moment still falsify the lawless persons of ammeter data, all can gather their image data and send to the power supply management department through communication device and carry out the record through image acquisition device this moment to be convenient for the power supply management department to retrieve the inspection.
Preferably, the main control device further comprises a face segmentation module, the face segmentation module is electrically connected to the image acquisition device to receive image data acquired by the image acquisition device and is used for segmenting a face image in the image data, the face segmentation module is electrically connected to a face recognition module, and the face recognition module is used for performing comparison verification based on the face image and face data in a preset manager face library and sending an abnormal warning signal to the communication device when judging that the face image does not belong to a manager.
By adopting the technical scheme, the face segmentation module can acquire and receive image data acquired by the image acquisition device from the image acquisition device, and can segment a face image by an image segmentation technology after receiving the image data; the face recognition module connected with the face segmentation module can compare and verify the face data in the face library of the manager based on the segmented image data, so that the identity of the face image is recognized, an abnormal warning signal is sent to the communication device when the face image does not belong to the manager, the communication device can check the abnormal warning signal and give an alarm when the abnormal situation is found.
Preferably, the main control device further comprises a frequency setting module, and the frequency setting module is electrically connected to the metering chip to adjust the sampling frequency of the metering chip when the plurality of closed data cannot be received simultaneously.
By adopting the technical scheme, when the cover plate is opened, the power consumption in the electric meter body is at risk of being tampered, even partial means causes the detection value of the electric meter body to be inaccurate, and therefore the sampling frequency of the metering chip is set by the frequency setting module when the signal acquisition device cannot simultaneously receive a plurality of closed data, so that the sampling frequency of the metering chip is improved, and the effect of strictly monitoring the power consumption is achieved.
Preferably, the master control device further comprises a historical data analysis module, the historical data analysis module is electrically connected to the metering chip to acquire the power consumption historical data acquired by the metering chip and form a power consumption curve based on historical data fitting, the master control device further comprises a power consumption monitoring module electrically connected to the metering chip, the power consumption monitoring module is used for acquiring the power consumption data after the sampling frequency of the metering chip is adjusted and fitting the power consumption data to form a sampling power consumption curve, the power consumption monitoring module is electrically connected with a sampling analysis module, and the sampling analysis module is used for comparing the contact ratio of the sampling power consumption curve and the power consumption curve and sending an alarm instruction to the communication device when the contact ratio is lower than a preset value.
By adopting the technical scheme, the historical data analysis module in the main control device can acquire the historical data of the power consumption collected by the metering chip through the metering chip and fit a power consumption curve based on the historical data, and the power consumption curve can represent the power consumption trend of the current electric meter in the historical time; the power consumption monitoring module can acquire power consumption data and fit a sampling power consumption curve after the sampling frequency of the metering chip is adjusted, the power consumption data is used for representing the power consumption trend after the sampling frequency is adjusted, the sampling analysis module can compare the contact ratio of the sampling power consumption curve and the power consumption curve and obtain the contact ratio, the higher the contact ratio is, the smaller the change of the power consumption is shown, the lower the contact ratio is, the larger the change of the power consumption is shown, at the moment, the electric meter can be tampered and walks slowly, and therefore the sampling analysis module sends an alarm instruction to give an alarm to the communication device, and a power supply management department can conveniently patrol to eliminate hidden dangers.
Preferably, the locking subassembly is including setting up swivel becket on the closing cap board, setting up solid fixed ring on the ammeter body, sliding the locking pole of connection in the fixed ring and being used for driving the locking pole and inserting the reset spring in the swivel becket, locking pole one end is provided with the fixed plate that is used for fixed reset spring, the one end that the fixed plate was kept away from to the locking pole is provided with and is used for making things convenient for the locking pole to insert the direction inclined plane in the swivel becket, be provided with the unblock unit on the ammeter body.
Through adopting above-mentioned technical scheme, the swivel becket on the closing cap supports when the closing cap rotates to the surface of ammeter body and presses the direction inclined plane, locking lever moves towards the one side of keeping away from the swivel becket under the support of direction inclined plane this moment, when the swivel becket moves to the axis of swivel becket and the axis of solid fixed ring is on same straight line, locking lever inserts solid fixed ring and swivel becket under reset spring's effect, thereby can realize the locking to the closing cap board, because the locking subassembly sets up the inside at the closing cap board, therefore illegal personnel only can open from the outside through the unblock unit unless destroying the closing cap board, the risk that the ammeter was tampered has further been reduced.
Preferably, the unlocking unit comprises an unlocking rope arranged on one side of the fixed plate, which deviates from the guide slope, and a driving piece arranged on the ammeter body and used for rolling the unlocking rope, the driving piece is electrically connected to the main control device to receive an unlocking signal from the main control device, the main control device further comprises an identity recognition module, the identity recognition module is electrically connected to the signal reading module to read identity information in an identity card close to the signal reading module, the identity recognition module is electrically connected to an identity verification module, and the identity verification module is electrically connected to the unlocking module and used for comparing the identity information with prestored identity data to output the unlocking signal to the driving piece.
Through adopting above-mentioned technical scheme, when power supply managers is holding the identity card and is close to confined closing cap board, the signal reads the identity information that the module can read in the identity card and transmits identity information for identity identification module, identity identification module transmits identity information for authentication module, authentication module can compare identity information and the identity data of prestoring, and export unblock signal for the driving piece when comparing unanimously, the driving piece rolling unblock rope when receiving unblock signal, thereby can stimulate the lock pole and make the lock pole deviate from the swivel becket, thereby carry out the unblock to the closing cap board.
Preferably, the conductive probe is a spring probe, a conductive spring piece used for abutting against the storage coil is arranged at the end part of the conductive probe, and the conductive spring piece inclines towards one side departing from the electric meter body.
Through adopting above-mentioned technical scheme, the spring probe has certain elasticity, can support the conductive probe tightly between two storage coil, and the setting of conductive spring piece can support tightly two storage coil under the elastic force effect of spring probe, thereby switch on two storage coil and form a route, so that all storage coil can both be in the state of establishing ties under the power supply of same power, all can lead to partial storage coil to lose the electricity when any conductive probe pine takes off, so the signal acquisition device can't acquire the closed case data in whole storage coil simultaneously, so improved the accuracy that the closing plate opened the detection.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the electric meter comprises an electric meter body, a metering chip, a main control device, a communication device, a sealing cover plate, a conductive probe, a storage coil, a power supply, sealing data, a signal reading module and a signal identification module, wherein the sealing cover plate is effectively detected, and when the sealing cover plate is opened, the electric meter body feeds back to a power supply management department in time so as to reduce the risk of tampering the electric meter;
2. by adopting the technology of matching the data acquisition module, the data rechecking module, the electric quantity checking module, the image acquisition device, the human face segmentation module, the human face recognition module, the frequency setting module, the historical data analysis module, the power consumption monitoring module, the sampling analysis module and the communication device, a series of measures are adopted to acquire images, identify recognition and power consumption analysis, and the state of the electric meter after the cover sealing plate is opened is further analyzed, so that the risk of tampering the electric meter is reduced;
3. through adopting locking subassembly, rotating ring, solid fixed ring, locking pole, reset spring, fixed plate, direction inclined plane, unblock unit, unblock rope, driving piece, identification module and authentication module matched with technique to open the apron after authentication passes through, further reduced the risk that the ammeter was tampered.
Drawings
FIG. 1 is a schematic view of an embodiment of the present application illustrating a cover opening configuration of an electric meter with an improved safety factor;
FIG. 2 is a block diagram illustrating control logic of a master control device according to an embodiment of the present disclosure;
fig. 3 is an enlarged schematic view of the structure at a in fig. 1.
Description of the reference numerals: 1. an electricity meter body; 10. a return torsion spring; 11. a metering chip; 12. sealing the cover plate; 120. a transparent window; 121. a storage coil; 13. a conductive probe; 131. a conductive spring plate; 132. a power source; 14. an image acquisition device; 2. a master control device; 21. a signal reading module; 211. a signal identification module; 22. a data acquisition module; 23. a data rechecking module; 231. an electric quantity checking module; 24. a face segmentation module; 241. a face recognition module; 25. a frequency setting module; 26. a historical data analysis module; 261. a power consumption monitoring module; 262. a sampling analysis module; 27. an identity recognition module; 271. an identity verification module; 3. a communication device; 4. a locking assembly; 41. a rotating ring; 42. a fixing ring; 43. a lock lever; 431. a fixing plate; 432. a guide slope; 44. a return spring; 45. an unlocking unit; 451. unlocking the rope; 452. a drive member.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses an ammeter for improving the safety factor, and referring to fig. 1 and 2, the ammeter for improving the safety factor comprises an ammeter body 1, a metering chip 11 installed inside the ammeter body 1, a main control device 2 for reading data of the metering chip 11, and a communication device 3 for sending the data read by the main control device 2; the main control device 2 can be a single chip microcomputer, the metering chip 11 can be a metering chip 11 special for electric energy, the metering chip 11 is communicated with the main control device 2 through a serial port, the communication device 3 can be a wireless communication module, for example, a lora module, and the communication device 3 is in communication connection with the main control device 2 so that electric energy data read by the metering chip 11 controlled by the main control device 2 can be transmitted through the communication device 3.
Referring to fig. 1, a cover plate 12 is hinged to one side of an electric meter body 1, the cover plate 12 is made of PVC plastic and includes two transparent windows 120, and the cover plate 12 is used for covering screw holes at four corners of the electric meter body 1. The peripheral edge of the cover 12 is extended with a support edge toward the meter body so that a side surface of the cover 12 facing the cover 12 is in the shape of a concave groove. The cover plate 12 is located the articulated department of its and ammeter body 1 and installs reset torsion spring 10, and reset torsion spring 10 one end offsets with cover plate 12, and one end offsets with ammeter body 1 to be convenient for cover plate 12 automatic cover on ammeter body 1's surface.
Referring to fig. 1 and 2, a plurality of memory coils 121 are adhesively fixed on the surface of the cover plate 12 facing the conductive probe 13, and the memory coils 121 may be semi-passive RFID tags, and have closed data stored therein; the storage coil 121 has a positive electrode at one end and a negative electrode at the other end, and is detected only when it is energized.
Referring to fig. 1 and 3, a plurality of conductive probes 13 are embedded and fixedly bonded on the surface of the electricity meter body 1 facing the cover plate 12, the conductive probes 13 are spring probes, a conductive spring piece 131 for abutting against the storage coil 121 is fixedly welded on the end portion of each conductive probe 13, and the conductive spring piece 131 inclines towards one side away from the electricity meter body 1. When the cover plate 12 covers the electricity meter body 1, the conductive probe 13 is pressed between two adjacent storage coils 121, and at this time, the conductive spring piece 131 is in contact with the positive electrode or the negative electrode of the storage coil 121, so as to conduct the two adjacent storage coils 121. One of the conductive probes 13 is connected to a power supply 132 for supplying power to the conductive coil through a wire, and the conductive probe 13 is located at an end of a path formed by the plurality of memory coils 121, so that all the memory coils 121 form a whole path and all the memory coils 121 are supplied with power through one power supply 132.
Referring to fig. 1 and 2, a signal reading module 21 is embedded and mounted on the electricity meter body 1, and the signal reading module 21 may be an RFID reader for reading the closed data in each storage coil 121. The signal reading module 21 is electrically connected to the main control device 2 to send the closed data, the main control device 2 includes a signal identification module 211 electrically connected to the communication device 3, the signal identification module 211 is configured to send an unpacking signal to the communication device 3 to send unpacking information through the communication device 3 when a plurality of closed data cannot be received simultaneously; when a plurality of closed data cannot be received at the same time, it indicates that the cover plate 12 is opened, and at this time, a risk of tampering may occur, so that the signal identification module 211 sends an unpacking signal to the communication device 3, and sends unpacking information to the power supply management department through the communication device 3, so as to remind the power supply management department of performing patrol in time.
Referring to fig. 1 and 2, the main control device 2 further includes a data obtaining module 22 electrically connected to the metering chip 11, where the data obtaining module 22 sends a obtaining instruction to the metering chip 11 when it cannot receive multiple closed data simultaneously, and at this time, the metering chip 11 obtains the reading of the open-box electric meter at the current time. Meanwhile, the data acquisition module 22 is electrically connected to the communication device 3 so as to transmit the acquired open-box electricity meter reading to the power supply management department through the communication device 3 for recording, thereby preventing the electricity consumption data from being lost due to tampering.
Referring to fig. 2, the main control device 2 further includes a data rechecking module 23 electrically connected to the metering chip 11, and when the data rechecking module 23 receives a plurality of closed data again after failing to receive a plurality of closed data at the same time, the metering chip 11 acquires the readings of the electric meters in the closed box, and the electricity consumption number in the closed box at this time. The data rechecking module 23 is electrically connected with an electric quantity checking module 231, the electric quantity checking module 231 compares the open-box electric meter reading with the closed-box electric meter reading, and if the closed-box electric meter reading is greater than the open-box electric meter reading, the open-box electric meter reading is normal; if the reading of the closed-box electric meter is smaller than that of the open-box electric meter, the electric meter is tampered, so that the alarm information needs to be sent to a power supply management department through the communication device 3.
Referring to fig. 2, the electric meter body 1 is embedded and mounted with an image acquisition device 14 facing the surface of the cover plate 12, and the image acquisition device 14 may be a micro camera. Image acquisition device 14 electricity is connected in signal reading module 21, and image acquisition device 14 gathers personnel's before ammeter body 1 image data and sends to power supply management department through communication device 3 when unable a plurality of closed data of receiving simultaneously, and power supply management department can save and record the image data of the personnel who open the ammeter this moment to in the time of the abnormal conditions stays as the evidence.
Referring to fig. 2, the main control device 2 further includes a face segmentation module 24, and the face segmentation module 24 is electrically connected to the image acquisition device 14 so as to be capable of receiving the image data acquired by the image acquisition device 14. The face segmentation module 24 can segment a face image in the image data after receiving the image data acquired by the image acquisition device 14. The face segmentation module 24 is electrically connected with a face recognition module 241, when receiving a face image segmented by the face segmentation module 24, the face recognition module 241 compares the face image with face data in a preset administrator face library and identifies the face, and when judging that the face image does not belong to an administrator, sends an abnormal warning signal to the communication device 3, and sends a warning signal for opening an ammeter by a non-administrator through the communication device 3 to the power supply management part so as to prompt a power supply management department to check in time.
Referring to fig. 2, the main control device 2 further includes a frequency setting module 25, the frequency setting module 25 is electrically connected to the metering chip 11 to adjust a sampling frequency of the metering chip 11 when the plurality of closed data cannot be received simultaneously, the sampling frequency may be 10 min/time, so as to increase the sampling frequency, and closely monitor the power consumption. The frequency setting module 25 restores the original sampling frequency when receiving a plurality of closed data at the same time again, thereby flexibly adjusting the sampling frequency as required.
Referring to fig. 2, the main control device 2 further includes a historical data analysis module 26, and the historical data analysis module 26 is electrically connected to the metering chip 11, so that historical data of the power consumption collected by the metering chip 11 can be obtained and stored. The historical data analysis module 26 can fit the saved historical data to form a power utilization curve, and the power utilization curve can be saved and can represent the power utilization trend in the historical data. The main control device 2 further includes a power consumption monitoring module 261 electrically connected to the metering chip 11, the power consumption monitoring module 261 fits all collected power consumption data after adjusting the sampling frequency of the collecting and metering chip 11 to form a sampling power consumption curve, and the sampling power consumption curve can represent the power consumption trend of the cover plate 12 after being opened. The power consumption monitoring module 261 is electrically connected with a sampling analysis module 262, and the sampling analysis module 262 can compare the sampling power consumption curve with the power consumption curve and output the contact ratio; the sampling analysis module 262 is electrically connected to send an alarm instruction to the communication device 3 when the contact ratio is lower than the preset value, so as to alarm the power supply management department through the communication device 3.
Referring to fig. 1 and 3, a locking assembly 4 is arranged on the cover plate 12 away from the joint of the cover plate and the electricity meter body 1, the locking assembly 4 comprises a rotating ring 41, a fixing ring 42, a locking rod 43 and a return spring 44, the rotating ring 41 is integrally formed on the surface of the cover plate 12 facing the electricity meter body 1 and is located on one side of the cover plate 12 away from the joint of the cover plate and the electricity meter body 1; the fixing ring 42 is integrally formed on the electricity meter body 1; the lock lever 43 is slidably attached to the fixed ring 42, and when the cover plate 12 is placed on the surface of the electricity meter body 1, the center line of the rotating ring 41 and the center line of the fixed ring 42 are aligned. One end of the locking rod 43 is fixedly welded with a fixing plate 431, the surface of the fixing plate 431 is fixedly provided with a return spring 44, the other end of the return spring 44 is fixedly arranged on the fixing ring 42, and when the return spring 44 is in a normal state, the locking rod 43 penetrates out of the fixing ring 42 so as to be inserted into the rotating ring 41. The end of the locking lever 43 away from the fixed plate 431 is cut to form a guide slope 432 for facilitating the insertion of the locking lever 43 into the rotary ring 41, and the rotary ring 41 is pushed against the guide slope 432 to elongate the return spring 44, and then the locking lever 43 is driven to be inserted into the rotary ring 41 to lock the cover plate 12.
Referring to fig. 1 and 3, an unlocking unit 45 is disposed on the electricity meter body 1, the unlocking unit 45 includes an unlocking rope 451 and a driving member 452, one end of the unlocking rope 451 is fixedly connected to one side of the fixing plate 431, which is far away from the guide inclined surface 432, and the other end of the unlocking rope 451 is fixed to an output shaft of the driving member 452. The driving member 452 may be a servo motor fixed on the electricity meter body 1, a winding roller is installed on an output shaft of the driving member 452, and the unlocking rope 451 is fixed on the winding roller for winding the unlocking rope 451.
Referring to fig. 2 and 3, the main control device 2 further includes an identification module 27, the identification module 27 is electrically connected to the signal reading module 21, and when an operator holds an identification card with an identification tag and approaches the signal reading module 21, the signal reading module 21 can read the identification information in the identification card approaching the signal reading module 21 and transmit the identification information to the identification module 27. The identity recognition module 27 is electrically connected to an identity verification module 271, and the identity verification module 271 can verify whether the identity information belongs to the administrator. The identity verification module 271 is electrically connected to an unlocking module to output an unlocking signal to the driving element 452 when the identity information is compared with the pre-stored identity data, and the driving element 452 is electrically connected to the main control device 2 to receive the unlocking signal from the main control device 2, so as to control the driving element 452 to wind and drive the locking rod 43 to retract to unlock the cover sealing plate 12.
The implementation principle of the ammeter for improving the safety coefficient is as follows:
when the cover plate 12 is covered on the electricity meter body 1, the conductive probe 13 on the electricity meter body 1 is pressed between two adjacent storage coils 121 on the cover plate 12. At this time, the conductive spring piece 131 of the side wall of the conductive probe 13 presses the storage coil 121; since one of the conductive probes 13 is electrically connected to the power supply 132, all the storage coils 121 are powered. The signal recognition module 211 can now recognize the sealing data in the plurality of memory coils 121, and when the signal recognition module 211 can recognize the plurality of sealing data, it indicates that the sealing cover 12 is closed.
When the signal identification module 211 does not identify a plurality of closed data, the surface cover plate 12 is opened at the moment, so that the signal identification module 211 sends an unpacking signal to the communication device 3, and the communication device 3 sends the unpacking signal to the power supply management department so that the power supply management department can know the unpacking signal in time, so that the patrol is performed in time, and the power supply management department can effectively monitor the unpacking signal.
Meanwhile, the data acquisition module 22 in the main control chip can acquire the current open-box electricity meter reading through the metering chip 11 when the box is opened and transmit the open-box electricity meter reading to the power supply management department through the communication device 3, and at this moment, the power supply management department can record the electricity utilization reading when the box is opened. When the cover plate 12 is closed again, the data rechecking module 23 acquires the meter reading of the closed box again through the metering chip 11 and sends the meter reading of the closed box to the electric quantity checking module 231. The electric quantity checking module 231 sends alarm information to a power supply management department when the light is supposed to be smaller than the open box electricity meter reading, so as to remind the electricity meter data of being tampered.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. An ammeter for improving safety factor comprises an ammeter body (1), a metering chip (11) arranged in the ammeter body (1), a master control device (2) for reading data of the metering chip (11) and a communication device (3) for sending the data read by the master control device (2); the method is characterized in that: a sealing cover plate (12) is hinged to one side of the electric meter body (1), and a locking assembly (4) is arranged on the sealing cover plate (12) far away from the hinged position of the sealing cover plate and the electric meter body (1); the surface of the electric meter body (1) facing the cover plate (12) is provided with a plurality of conductive probes (13), the end parts of the conductive probes (13) are fixedly welded with conductive spring pieces (131) used for abutting against the storage coils (121), the conductive spring pieces (131) incline towards one side deviating from the electric meter body (1), the conductive probes (13) are pressed between two adjacent storage coils (121) when the cover plate (12) is covered on the electric meter body (1), at the moment, the conductive spring pieces (131) are contacted with the positive pole or the negative pole of the storage coils (121) to conduct the two adjacent storage coils (121), one conductive probe (13) is provided with a power supply (132) used for supplying power to the conductive coils, the surface of the cover plate (12) facing the conductive probes (13) is provided with a plurality of storage coils (121) abutting against the conductive probes (13), the conductive probe (13) is used for conducting two adjacent storage coils (121), the conductive probe (13) is a spring probe, a conductive spring piece (131) used for abutting against the storage coils (121) is arranged at the end part of the conductive probe (13), and the conductive probe (13) is positioned at the end part of a passage formed by the storage coils (121), so that all the storage coils (121) form a whole passage and supply power to all the storage coils (121) through a power supply (132);
the storage coils (121) are stored with closed data, a signal reading module (21) is arranged on the electricity meter body (1), the signal reading module (21) can be an RFID reader and is used for reading the closed data in each storage coil (121), the signal reading module (21) is electrically connected to the main control device (2) to send the closed data to the main control device (2), the main control device (2) comprises a signal identification module (211) electrically connected to the communication device (3), the signal identification module (211) is used for sending a box opening signal to the communication device (3) to send box opening information through the communication device (3) when a plurality of closed data cannot be received simultaneously, the box opening information indicates that the cover plate (12) is opened when a plurality of closed data cannot be received simultaneously, at the moment, the risk of tampering possibly occurs, and therefore the signal identification module (211) sends a box opening signal to the communication device (3), and the unpacking information is sent to a power supply management department through a communication device (3) to remind the power supply management department of patrolling in time.
2. An electricity meter with improved safety factor as claimed in claim 1, wherein: the main control device (2) further comprises a data acquisition module (22) electrically connected to the metering chip (11), the data acquisition module (22) is used for sending an acquisition instruction to the metering chip (11) to acquire the open-box electric meter reading when a plurality of closed data cannot be received simultaneously, and the data acquisition module (22) is electrically connected to the communication device (3) to transmit the acquired open-box electric meter reading to the power supply management department.
3. An electricity meter with improved safety factor as set forth in claim 2, wherein: master control set (2) still including the data reinspection module (23) of electricity connection in metering chip (11), data reinspection module (23) are used for obtaining the case of closing ammeter reading when a plurality of closed data are received simultaneously again after unable a plurality of closed data of receiving simultaneously, data reinspection module (23) electricity is connected with electric quantity check module (231), electric quantity check module (231) are used for comparing case of opening ammeter reading and the case of closing ammeter reading and send alarm information when the case of closing ammeter reading is less than the case of opening ammeter reading.
4. An electricity meter with improved safety factor as claimed in claim 1, wherein: the surface of the electric meter body (1) facing the sealing cover plate (12) is provided with an image acquisition device (14), and the image acquisition device (14) is electrically connected with the signal reading module (21) so as to acquire image data of personnel in front of the electric meter body (1) when a plurality of closed data cannot be received at the same time and send the image data to a power supply management department through the communication device (3).
5. An electricity meter with increased safety factor as claimed in claim 4, wherein: the main control device (2) further comprises a face segmentation module (24), the face segmentation module (24) is electrically connected to the image acquisition device (14) to receive image data acquired by the image acquisition device (14) and used for segmenting a face image in the image data, the face segmentation module (24) is electrically connected to the face recognition module (241), and the face recognition module (241) is used for comparing and verifying the face image with face data in a preset manager face library and sending an abnormal warning signal to the communication device (3) when judging that the face image does not belong to a manager.
6. An electricity meter with improved safety factor as claimed in claim 1, wherein: the main control device (2) further comprises a frequency setting module (25), wherein the frequency setting module (25) is electrically connected to the metering chip (11) to adjust the sampling frequency of the metering chip (11) when the plurality of closed data cannot be received simultaneously.
7. An electricity meter with increased safety factor as claimed in claim 6, wherein: the main control device (2) further comprises a historical data analysis module (26), the historical data analysis module (26) is electrically connected to the metering chip (11) to obtain power consumption historical data collected by the metering chip (11) and form a power consumption curve based on historical data fitting, the main control device (2) further comprises a power consumption monitoring module (261) electrically connected to the metering chip (11), the power consumption monitoring module (261) is used for collecting power consumption data after the sampling frequency of the metering chip (11) is adjusted and fitting the power consumption curve to form a sampling power consumption curve, the power consumption monitoring module (261) is electrically connected with a sampling analysis module (262), and the sampling analysis module (262) is used for comparing the contact ratio of the sampling power consumption curve and the power consumption curve and sending an alarm instruction to the communication device (3) when the contact ratio is lower than a preset value.
8. An electricity meter with an improved safety factor as claimed in claim 1, wherein: locking subassembly (4) including setting up swivel becket (41) on closing cap board (12), set up solid fixed ring (42) on ammeter body (1), slide lock pole (43) of connecting in solid fixed ring (42) and be arranged in driving reset spring (44) that lock pole (43) inserted swivel becket (41), lock pole (43) one end is provided with fixed plate (431) that are used for fixed reset spring (44), the one end that fixed plate (431) were kept away from in lock pole (43) is provided with and is used for making things convenient for lock pole (43) to insert direction inclined plane (432) in swivel becket (41), be provided with unblock unit (45) on ammeter body (1).
9. An electricity meter with increased safety factor as claimed in claim 8, wherein: the unlocking unit (45) comprises an unlocking rope (451) arranged on one side of the fixing plate (431) departing from the guide inclined surface (432) and a driving piece (452) which is arranged on the electric meter body (1) and is used for rolling the unlocking rope (451), the driving piece (452) is electrically connected with the master control device (2) to receive an unlocking signal from the master control device (2), the master control device (2) further comprises an identity recognition module (27), the identity recognition module (27) is electrically connected with the signal reading module (21) for reading identity information in an identity card close to the signal reading module (21), the identity recognition module (27) is electrically connected with an identity verification module (271), the identity authentication module (271) is electrically connected with an unlocking module and used for outputting an unlocking signal to the driving piece (452) when the identity information is compared with the pre-stored identity data.
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Denomination of invention: An electric meter that improves safety factor Granted publication date: 20220816 Pledgee: Bank of China Limited Qingtian County Branch Pledgor: ANTE METER GROUP Co.,Ltd. Registration number: Y2024980012541 |