CN118393197B - An electric meter box with leakage monitoring function - Google Patents
An electric meter box with leakage monitoring function Download PDFInfo
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- CN118393197B CN118393197B CN202410850821.8A CN202410850821A CN118393197B CN 118393197 B CN118393197 B CN 118393197B CN 202410850821 A CN202410850821 A CN 202410850821A CN 118393197 B CN118393197 B CN 118393197B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 45
- 238000004891 communication Methods 0.000 claims abstract description 27
- 230000005611 electricity Effects 0.000 claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 claims description 100
- 239000002184 metal Substances 0.000 claims description 100
- 238000009434 installation Methods 0.000 claims description 19
- 239000011810 insulating material Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 3
- 210000003141 lower extremity Anatomy 0.000 claims 1
- 210000001364 upper extremity Anatomy 0.000 claims 1
- 230000003068 static effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- 230000006698 induction Effects 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000005426 magnetic field effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- HPGPEWYJWRWDTP-UHFFFAOYSA-N lithium peroxide Chemical compound [Li+].[Li+].[O-][O-] HPGPEWYJWRWDTP-UHFFFAOYSA-N 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- CELVKTDHZONYFA-UHFFFAOYSA-N trilithium;phosphite Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])[O-] CELVKTDHZONYFA-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention relates to the technical field of electric leakage monitoring of an electric meter box, and discloses an electric meter box with an electric leakage monitoring function, which is characterized in that current generated when the electric meter box leaks electricity enters an inductance coil, the signal output of a Hall sensor is realized by utilizing a magnetic field generated by the inductance coil, and then the on-line leakage monitoring process of the ammeter box is realized through the comparison of the output signal intensity of the Hall sensor by the singlechip and the transmission of information by the wireless communication module, and meanwhile, the influence of static electricity in the monitoring process is controlled by means of the current limiting resistor, so that the technical effect of improving the monitoring accuracy is realized.
Description
Technical Field
The invention relates to the technical field of electric leakage monitoring of an electric meter box, in particular to an electric meter box with an electric leakage monitoring function.
Background
The ammeter box is used as a device for installing and protecting an ammeter, and has an indispensable position in a power system. Most of currently used ammeter boxes belong to metal ammeter boxes, and the metal ammeter boxes are made of metal, so that the metal ammeter boxes have good conductivity, but when leakage occurs in an ammeter or a wiring, the shell of the metal ammeter box is electrified. This results in the risk that workers and pedestrians are exposed to electric shock injuries or even to death.
In order to solve the above problems, an electric shock prevention ammeter box is disclosed in the prior art, and the publication number is: CN206712268U, the patent includes a box, a box door and a protective door, the protective door is located between the box door and the box, the protective door is made of transparent material, an insulating board, a leakage protector and a conductive board are installed in the box, an ammeter is arranged on the conductive board, an induction chip is arranged on the insulating board, and an induction lock is arranged on the protective door; in the utility model, when the box body needs to be opened, the box door is opened, the protective door is opened again, the induction lock sends a signal to the induction chip, the induction chip controls the leakage protector to cut off power, and safety protection is carried out, so that a person who opens the box door cannot get an electric shock.
However, the above patent has obvious problems in the actual use process, and the leakage protector of the patent can only be triggered when the box door is opened, for example, if electricity leakage occurs under the condition that the box door is not opened, the outer shell of the electricity meter box can cause electric shock hazard to passers-by, and even electric fire can be caused due to serious electricity leakage, thereby threatening the life and property safety of people; in addition, this patent is when the electric leakage condition appears in the ammeter case, can't be fast and timely inform command center, also can't directly send the electric leakage warning to personnel around the ammeter case, therefore, design one kind can in time on-line monitoring electric leakage condition and have electric leakage warning function's ammeter case very necessary.
Disclosure of Invention
The invention aims to solve the problems, and designs an ammeter box with an electric leakage monitoring function.
The technical scheme includes that the electric meter box with the electric leakage monitoring function comprises a metal electric meter box, a door is arranged on the front surface of the metal electric meter box, a waterproof edge is arranged at the top end of the metal electric meter box, a vertical plate is arranged in the metal electric meter box, the lower edge of the vertical plate is detachably connected with the bottom surface of an inner cavity of the metal electric meter box, the upper edge of the vertical plate is detachably connected with the top surface of the inner cavity of the metal electric meter box, a plurality of support columns are arranged between the rear surface of the vertical plate and the rear surface of the inner cavity of the metal electric meter box, a plurality of electric meter boxes are arranged on the front surface of the vertical plate, a mounting box is arranged on the front surface of the vertical plate, a conducting rod is arranged on the mounting box, one end of the conducting rod is connected with the rear surface of the inner cavity of the metal electric meter box, the other end of the conducting rod is positioned in the mounting box, a monitoring assembly is arranged in the mounting box, the electric leakage monitoring assembly can be connected with the other end of the conducting rod, the electric leakage monitoring assembly can be connected with the top surface of the inner cavity of the metal electric meter box, the electric leakage monitoring assembly can be connected with the electric leakage monitoring assembly through the electric leakage monitoring assembly, the electric leakage monitoring assembly can pass through the electric leakage monitoring assembly and the electric leakage alarm unit.
The utility model provides a wireless alarm device, including the installation box, the installation box is equipped with the electric meter, the installation box is equipped with the installation box, the electric leakage monitoring subassembly includes inductance coil, current-limiting resistor, hall sensor, singlechip, rechargeable battery and wireless communication module, inductance coil with current-limiting resistor establishes ties and forms a current branch, the both ends of current branch respectively with the other end of conducting rod is connected and is formed the current loop, hall sensor is close to inductance coil, the magnetic field that inductance coil produced when the circular telegram can act on hall sensor, hall sensor can produce analog signal after receiving the magnetic field effect, hall sensor's signal output connection singlechip's signal input, singlechip's signal output connection wireless module with the communication unit, the communication can pass through the singlechip is connected the ammeter, the wireless alarm device can be connected to the singlechip and the wireless alarm device is in the wireless alarm device through the network control network is in the alarm region around the wireless alarm device.
The main part of wireless communication module is arranged in the inner chamber of mounting box or on the surface of mounting box, the antenna part of wireless communication module is arranged on the surface of mounting box, wireless communication module is the WIFI module.
The other end of the conducting rod is provided with an anode wiring terminal and a cathode wiring terminal, the inductance coil is of a structure formed by winding a metal wire on a plastic rod, two ends of the plastic rod are respectively connected with the inner surface of the installation box through a bracket, one end of the metal wire is connected with one end of the current limiting resistor, the other end of the metal wire is connected with the cathode wiring terminal, and the other end of the current limiting resistor is connected with the anode wiring terminal through a wire.
The alarm unit comprises a base plate, a battery box, a relay and a plurality of LED lamp bars, wherein the base plate is arranged on the top surface of an inner cavity of the metal ammeter box, the battery box is arranged on the lower surface of the base plate, the battery box is respectively connected with a plurality of LED lamp bars through the relay, the relay is arranged on the lower surface of the base plate, the relay is connected with the control end of the singlechip, the control end of the singlechip can control the on-off of the relay, the LED lamp bars are divided into two groups, one group of LED lamp bars is arranged on the upper surface of the waterproof edge, and the other group of LED lamp bars is arranged on the lower surface of the waterproof edge.
The LED lamp strip is inlaid on the upper surface or the lower surface of the waterproof edge, the LED lamp strip does not protrude out of the upper surface or the lower surface of the waterproof edge, the LED lamp strip on the upper surface of the waterproof edge can directly form prompt lamplight in a luminous mode, the LED lamp strip on the lower surface of the waterproof edge can irradiate the outer surface of the metal ammeter box and form a reflecting area on the outer surface of the metal ammeter box, and the prompt lamplight is formed by utilizing reflected light in the reflecting area.
The LED projection lamp can be installed on the outer surface of the metal ammeter box, the LED projection lamp is connected with the relay, and when the relay is connected, the LED projection lamp is electrified and the ground around the metal ammeter box projects warning patterns or warning banners.
The voice prompt device can be installed on the outer surface of the metal ammeter box and is connected with the signal output of the singlechip, and the voice prompt device sends prompt voice after receiving the signal output by the singlechip.
The vertical plate and the support columns are made of insulating materials, the length directions of the support columns are perpendicular to the rear surface of the inner cavity of the metal ammeter box, and the length values of the support columns are the same.
Compared with the prior art, the invention has the following beneficial effects:
1. According to the invention, the conductive rod is matched with the electric leakage monitoring assembly to perform electric leakage monitoring on the surface of the metal electric meter box, the electric leakage condition of the metal electric meter box is judged by monitoring the current generated on the outer shell of the electric meter box when the electric leakage of the electric meter box occurs, and an acousto-optic prompt and an alarm are started according to the electric leakage condition, and meanwhile, the serial number information and the position information of the electric meter box are sent to a command center, so that an online monitoring function is realized, and a reliable basis is provided for management and maintenance of the electric meter box;
2. According to the invention, the current generated on the surface of the ammeter box during leakage is led into the inductance coil, then the Hall sensor is used for sending signals to the singlechip under the action of the magnetic field generated by the inductance coil to realize the leakage monitoring function of the ammeter box, and meanwhile, the current limiting resistor is used for effectively limiting the influence of static electricity on the monitoring process, so that the accuracy of online leakage monitoring of the ammeter box is improved;
3. the invention can adjust the on-site alarm mode according to the actual use condition of the ammeter box, and forms a multiple alarm prompt structure by utilizing the LED lamp strip, the LED projection lamp and the voice prompt device, so that prompt and warning are more effectively and comprehensively sent to passers-by pedestrians, and injury to people after the ammeter box leaks electricity is prevented.
Drawings
FIG. 1 is a schematic view of the structure of the name of embodiment 1 of the present invention;
FIG. 2 is a schematic cross-sectional view of the plane A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of the enlarged partial structure of portion B of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of the enlarged partial structure of the portion C of FIG. 2 in accordance with the present invention;
Fig. 5 is a schematic structural diagram of an inductor according to embodiment 1 of the present invention;
In the figure, 1, a metal ammeter box; 2. opening the door; 3. waterproof edges; 4. a vertical plate; 5. a support column; 6. a mounting box; 7. a conductive rod; 8. an inductance coil; 9. a current limiting resistor; 10. a hall sensor; 11. a single chip microcomputer; 12. a rechargeable battery; 13. a wireless communication module; 14. a backing plate; 15. a battery case; 16. a relay; 17. LED light bar; 18. an LED projection lamp; 19. a voice prompter; 20. a metal wire; 21. a plastic rod; 22. and (3) a bracket.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
Example 1: 1-5, an ammeter box with leakage monitoring function comprises a metal ammeter box 1, a front surface mounting door 2 of the metal ammeter box 1 is provided with a waterproof edge 3 at the top end of the metal ammeter box 1, the waterproof edge 3 is arranged around the edge of the top surface of the metal ammeter box 1, a vertical plate 4 is arranged in the metal ammeter box 1, the vertical plate 4 is of a rectangular plate-shaped structure, the vertical plate 4 is perpendicular to the bottom surface of the inner cavity of the metal ammeter box 1, the lower edge of the vertical plate 4 is detachably connected with the bottom surface of the inner cavity of the metal ammeter box 1, the upper edge of the vertical plate 4 is detachably connected with the top surface of the inner cavity of the metal ammeter box 1, the left side edge of the vertical plate 4 is parallel to but not in contact with the left side surface of the inner cavity of the metal ammeter box 1, the right side edge of the vertical plate 4 is parallel to but not in contact with the right side surface of the inner cavity of the metal ammeter box 1, the vertical plate 4 can be detached and taken out from the door 2 of the metal electric meter box 1, the vertical plate 4 is close to the rear surface of the inner cavity of the metal electric meter box 1, the vertical plate 4 divides the inner cavity of the metal electric meter box 1 into a front part and a rear part, the rear surface of the vertical plate 4 is parallel to the rear surface of the inner cavity of the metal electric meter box 1, a plurality of support columns 5 are arranged between the rear surface of the vertical plate 4 and the rear surface of the inner cavity of the metal electric meter box 1, one ends of the support columns 5 are fixedly connected with the rear surface of the inner cavity of the metal electric meter box 1, the other ends of the support columns 5 are detachably connected with the rear surface of the vertical plate 4, the front surface of the vertical plate 4 faces the door 2 of the front surface of the metal electric meter box 1, the front surface of the vertical plate 4 is used for installing a plurality of electric meters, a mounting box 6 is arranged on the rear surface of the inner cavity of the metal electric meter box 1, the mounting box 6 is a box body with one end open, the bottom surface of the mounting box 6 is fixedly connected with the rear surface of the inner cavity of the metal electric meter box 1, the open end of installation box 6 is facing to the rear surface of riser 4, the open end configuration lid of installation box 6, the lid can be with the opening detachable connection of installation box 6 and the lid can seal the opening of installation box 6, installation box 6 and lid all adopt insulating material to make, installation box 6 is the longitudinal section for rectangular or circular shape box body, install conducting rod 7 on the internal surface of installation box 6, the one end and the rear surface connection of metal ammeter case 1 inner chamber of conducting rod 7, conducting rod 7 can contact the metal part on the metal ammeter case 1 inner chamber rear surface, when the box of metal ammeter case 1 is electrified, conducting rod 7 is electrified also, the other end of conducting rod 7 is located installation box 6, install leakage monitoring subassembly in the installation box 6, leakage monitoring subassembly is connected with the other end of conducting rod 7, leakage monitoring subassembly can monitor the electrified condition of conducting rod 7, leakage monitoring subassembly can connect the network, when the electric current intensity on the conducting rod 7 that monitoring subassembly monitored exceeds the setting value, leakage monitoring subassembly can send the coding information and the position information of metal ammeter case 1 to the center through the network command, the waterproof unit is installed along the surface mounting unit 3 under the waterproof unit, the alarm unit is connected with the leakage alarm unit under the alarm unit, the alarm unit is closed.
In the technical scheme of embodiment 1, the leakage monitoring assembly includes inductance coil 8, current limiting resistor 9, hall sensor 10, singlechip 11, rechargeable battery 12 and wireless communication module 13, inductance coil 8, current limiting resistor 9, hall sensor 10, singlechip 11 and rechargeable battery 12 are all installed in the inner chamber of mounting box 6, wireless communication module 13 arranges on mounting box 6, rechargeable battery 12 is singlechip 11 and wireless communication module 13 power supply, the interface that charges of rechargeable battery 12 is arranged on the front surface of riser 4, the interface that charges is connected with rechargeable battery 12, the interface that charges can charge for rechargeable battery 12, inductance coil 8 and current limiting resistor 9 establish ties and form a current branch, inductance coil 8 produces corresponding magnetic field after the circular telegram in the current branch, the intensity of magnetic field is to be proportional with the intensity of passing current in the inductance coil 8, the effect of current limiting resistor 9 is the current intensity in the restriction current branch, prepare for distinguishing the nature of metal ammeter 1 charge, the nature of metal ammeter 1 has two kinds: one is an electric shock, i.e. the direct contact of the circuitry with the metal part of the metal meter box 1 results in the electrification of the metal meter box 1; the other is static electricity, and the metal ammeter box 1 generates static electricity in a contact or induction mode in the actual use process; because the voltage and the electric current of static are unstable, therefore restriction static that current-limiting resistor 9 can be better produces the influence of magnetic field to inductance coil, the both ends of electric current branch road are connected with the other end of conducting rod 7 respectively and are formed the electric current return circuit, hall sensor 10 is close to inductance coil 8, the produced magnetic field of inductance coil 8 when the circular telegram can act on hall sensor 10, hall sensor 10 can produce analog signal after receiving the magnetic field effect, the intensity value of analog signal is in direct proportion with the intensity of inductance coil produced magnetic field, the signal output of hall sensor 10 connects the signal input of singlechip 11, wireless communication module 13 and alarm unit are connected in the signal output of singlechip 11, singlechip 11 can be through wireless communication module 13 connection network, be provided with the standard analog signal intensity value that is used for the comparison in the singlechip 11, when the analog signal intensity value of hall sensor 10 output exceeds the standard analog signal intensity value in the singlechip 11, singlechip 11 passes through the network and sends the coding information and the position information of metal ammeter case 1 to the command center and controls alarm unit and forms the alarm region around metal ammeter case 1.
The main body part of the wireless communication module 13 is arranged in the inner cavity of the installation box 6 or on the outer surface of the installation box 6, the antenna part of the wireless communication module 13 is arranged on the outer surface of the installation box 6, after receiving the coding information and the position information of the metal ammeter box 1 output by the singlechip 11, the main body part of the wireless communication module 13 can send the coding information and the position information to a command center through the antenna part of the wireless communication module 13, and the command center can inform maintenance personnel of reaching the position where the metal ammeter box 1 is located for maintenance, and the wireless communication module 13 is a WIFI module; the other end of the conducting rod 7 is provided with an anode terminal and a cathode terminal, the anode terminal is made of lithium metal, lithium dioxide or lithium phosphite and the like, the cathode terminal is made of cobalt oxide, nickel oxide or lithium iron phosphate and the like, the inductance coil 8 is of a structure formed by winding a metal wire 20 on a plastic rod 21, two ends of the plastic rod 21 are respectively connected with the inner surface of the mounting box 6 through a bracket 22, one end of the metal wire 20 is connected with one end of the current limiting resistor 9, the other end of the metal wire 20 is connected with the cathode terminal, and the other end of the current limiting resistor 9 is connected with the anode terminal through a wire.
It should be noted that the alarm unit comprises a base plate 14, a battery box 15, a relay 16 and a plurality of LED lamp strips 17, the base plate 14 is of a plate-shaped structure made of insulating materials, the base plate 14 is installed on the top surface of the inner cavity of the metal ammeter box 1, the base plate 14 is positioned in front of the vertical plate 4, the upper surface of the base plate 14 is attached to the top surface of the inner cavity of the metal ammeter box 1, the battery box 15 is installed on the lower surface of the base plate 14, a battery is installed in the battery box 15 and is a dry battery or a lithium battery, the battery box 15 is respectively connected with the plurality of LED lamp strips 17 through the relay 16, the battery in the battery box 15 supplies power to the plurality of LED lamp strips 17, the relay 16 is connected with the control end of the singlechip 11, the control end of the singlechip 11 can control the on-off of the relay 16, when the control end of the singlechip 11 applies voltage to the relay 16, the battery in the battery box 15 supplies power to the plurality of LED lamp strips 17, the plurality of LED lamp strips 17 emit prompt light on the metal ammeter box 1, and the plurality of LED lamp strips 17 emit light; when the control end of the singlechip 11 stops applying voltage to the relay 16, the relay 16 is disconnected, the battery in the battery box 15 stops supplying power to the LED lamp strips 17, the LED lamp strips 17 are extinguished, the LED lamp strips 17 are all arranged on the waterproof edge 3, the LED lamp strips 17 are arranged along the length direction of the waterproof edge 3, the LED lamp strips 17 are divided into two groups, one group of LED lamp strips 17 is arranged on the upper surface of the waterproof edge 3, and the other group of LED lamp strips 17 is arranged on the lower surface of the waterproof edge 3.
The LED light bar 17 can emit red light or yellow light, the LED light bar 17 is inlaid on the upper surface or the lower surface of the waterproof edge 3, the LED light bar 17 does not protrude out of the upper surface or the lower surface of the waterproof edge 3 and can ensure that the LED light bar 17 cannot influence the waterproof and diversion functions of the waterproof edge 3, the LED light bar 17 on the upper surface of the waterproof edge 3 can directly emit red light or yellow light to form prompt light, the LED light bar 17 on the lower surface of the waterproof edge 3 can irradiate the outer surface of the metal electric meter box 1 and form a reflection area on the outer surface of the metal electric meter box 1, and the red light or yellow light reflected in the reflection area is utilized to form the prompt light.
In addition, in embodiment 1, an LED projection lamp 18 can be mounted on the outer surface of the metal ammeter box 1, the projection direction of the LED projection lamp 18 is directed to the ground, the LED projection lamp 18 is connected with the relay 16, when the relay 16 is turned on, the LED projection lamp 18 is energized and a warning pattern or a warning sign is projected on the ground around the metal ammeter box 1; the voice prompt 19 can be installed on the outer surface of the metal ammeter box 1, a battery is arranged in the voice prompt 19, the voice prompt 19 is connected with the signal output of the single chip microcomputer 11, the voice prompt 19 sends out prompt voice after receiving the signal output by the single chip microcomputer 11, and when the analog signal intensity value output by the Hall sensor 10 exceeds the standard analog signal intensity value in the single chip microcomputer 11, the single chip microcomputer 11 sends out signals to the voice prompt 19.
It should be noted that, the LED projection lamp 18 and the voice prompt 19 may be existing products, and in actual use, a technician may select according to the use environment and the use condition of the metal ammeter box 1, and in case of need, the technician may install the LED projection lamp 18 and the voice prompt 19, and in case of no need, the LED projection lamp 18 and the voice prompt 19 may be removed.
The electronic devices adopted by the technical scheme are all existing products, and the technical scheme of the application has no special requirements and changes on the structure of the electronic devices;
In the implementation process of the technical scheme, the person skilled in the art needs to connect all the electric components in the scheme with the power supply matched with the electric components through wires, and proper controllers are selected according to actual conditions so as to meet control requirements. The specific connection and control sequence should refer to the working principle of the technical scheme and the sequence of the working among the electric parts, and the detailed connection means are known in the art. The technical scheme mainly introduces the working principle and the process, and no description is given to the electrical control.
In the implementation process of the technical scheme of the application, a worker can install the metal ammeter box 1 at a designated position, then selectively install the LED projection lamp 18 and the voice prompt 19 according to the requirement, after the installation process is finished, the worker charges the rechargeable battery 12 and installs a dry battery or a lithium battery in the battery box 15 at the same time, and finally, the door opening 2 of the metal ammeter box 1 is closed and locked, so that the whole construction process is finished.
When the shell of the metal ammeter box 1 is electrified, the conducting rod 7 is in an electrified state, at the moment, current is introduced into a loop formed by the inductance coil 8, the current limiting resistor 9 and the conducting rod 7, the inductance coil 8 generates a magnetic field, the Hall sensor 10 generates a corresponding analog signal value according to the strength of the magnetic field and transmits the generated analog signal value to the singlechip 11, the singlechip 11 compares the received analog signal value, when the received analog signal value exceeds a standard analog signal value, the singlechip 11 sends a control signal to the relay 16 and the voice prompter 19, meanwhile, the wireless communication module 13 sends coding information and position information of the metal ammeter box 1 to the command center, and the command center informs corresponding maintenance personnel of maintaining the position of the metal ammeter box 1 through a network.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more in the limited case. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
The above technical solution only represents the preferred technical solution of the present invention, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present invention, and the technical solution falls within the scope of the present invention.
Claims (6)
1. The utility model provides an ammeter case with electric leakage monitoring function, includes metal ammeter case (1), the preceding surface mounting of metal ammeter case (1) opens door (2), metal ammeter case (1) top is equipped with waterproof edge (3), be equipped with riser (4) in metal ammeter case (1), the lower limb of riser (4) with the bottom surface of metal ammeter case (1) inner chamber can be dismantled and be connected, the upper limb of riser (4) with the top surface of metal ammeter case (1) inner chamber can be dismantled and be connected, the rear surface of riser (4) with be equipped with a plurality of support columns (5) between the rear surface of metal ammeter case (1) inner chamber, the front surface of riser (4) is used for installing a plurality of ammeter, a serial communication port, be equipped with mounting box (6) on the rear surface of metal ammeter case (1) inner chamber, install conducting rod (7) on mounting box (6), one end of conducting rod (7) with the rear surface connection of metal ammeter case (1) inner chamber, the other end of conducting rod (7) with be located mounting box (6) can be through electric leakage information module (6) the electric charge information module, the electric leakage information module can be monitored to the network module (1), the lower surface of the waterproof edge (3) is provided with an alarm unit, the alarm unit is connected with the electric leakage monitoring assembly, and the alarm unit is opened and closed under the control of the electric leakage monitoring assembly;
The leakage monitoring assembly comprises an inductance coil (8), a current limiting resistor (9), a Hall sensor (10), a singlechip (11), a rechargeable battery (12) and a wireless communication module (13), wherein the inductance coil (8), the current limiting resistor (9), the Hall sensor (10), the singlechip (11) and the rechargeable battery (12) are all installed in an inner cavity of the installation box (6), the wireless communication module (13) is arranged on the installation box (6), the rechargeable battery (12) is used for supplying power to the singlechip (11) and the wireless communication module (13), the inductance coil (8) and the current limiting resistor (9) are connected in series to form a current branch, two ends of the current branch are respectively connected with the other end of the conducting rod (7) to form a current loop, the Hall sensor (10) is close to the inductance coil (8) and receives the influence of a magnetic field generated by the inductance coil (8), the signal output of the Hall sensor (10) is connected with the singlechip (11), the signal output of the singlechip (11) can be connected with the signal output of the singlechip (13) and the wireless communication module (13) is connected with the wireless communication module (13), the single chip microcomputer (11) can send the coding information and the position information of the metal ammeter box (1) to a command center through a network, and the single chip microcomputer (11) can control the alarm unit to form an alarm area around the metal ammeter box (1);
The other end of the conducting rod (7) is provided with an anode wiring end and a cathode wiring end, the inductance coil (8) is of a structure formed by winding a metal wire (20) on a plastic rod (21), two ends of the plastic rod (21) are respectively connected with the inner surface of the mounting box (6) through a bracket (22), one end of the metal wire (20) is connected with one end of the current limiting resistor (9), the other end of the metal wire (20) is connected with the cathode wiring end, and the other end of the current limiting resistor (9) is connected with the anode wiring end through a wire;
The alarm unit comprises a base plate (14), a battery box (15), a relay (16) and a plurality of LED lamp strips (17), wherein the base plate (14) is installed on the top surface of an inner cavity of the metal ammeter box (1), the battery box (15) is installed on the lower surface of the base plate (14), the battery box (15) is respectively connected with the plurality of LED lamp strips (17) through the relay (16), the relay (16) is installed on the lower surface of the base plate (14), the relay (16) is connected with the control end of the singlechip (11), the control end of the singlechip (11) can control the on-off of the relay (16), the LED lamp strips (17) are divided into two groups, one group of LED lamp strips (17) are arranged on the upper surface of the waterproof edge (3), and the other group of LED lamp strips (17) are arranged on the lower surface of the waterproof edge (3).
2. An electricity meter box with leakage monitoring function according to claim 1, characterized in that the main body part of the wireless communication module (13) is arranged in the inner cavity of the mounting box (6) or on the outer surface of the mounting box (6), and the antenna part of the wireless communication module (13) is arranged on the outer surface of the mounting box (6).
3. The electricity meter box with the electric leakage monitoring function according to claim 1, wherein the LED light bar (17) is inlaid on the upper surface or the lower surface of the waterproof edge (3), the LED light bar (17) does not protrude out of the upper surface or the lower surface of the waterproof edge (3), the LED light bar (17) on the upper surface of the waterproof edge (3) can directly form prompt light in a luminous mode, the LED light bar (17) on the lower surface of the waterproof edge (3) can irradiate the outer surface of the metal electricity meter box (1) and form a reflection area on the outer surface of the metal electricity meter box (1), and the prompt light is formed by utilizing reflected light in the reflection area.
4. A meter box with leakage monitoring function according to claim 3, characterized in that an LED projection lamp (18) can be mounted on the outer surface of the metal meter box (1), the LED projection lamp (18) being connected to the relay (16), the LED projection lamp (18) being energized and projecting a warning pattern or a warning sign on the ground around the metal meter box (1) when the relay (16) is on.
5. The electricity meter box with the electric leakage monitoring function according to claim 4, wherein a voice prompt (19) can be further installed on the outer surface of the metal electricity meter box (1), the voice prompt (19) is connected with the signal output of the single chip microcomputer (11), and the voice prompt (19) sends prompt voice after receiving the signal output by the single chip microcomputer (11).
6. The electricity meter box with the electricity leakage monitoring function according to claim 5, wherein the vertical plate (4) and the support columns (5) are made of insulating materials, the length directions of the support columns (5) are perpendicular to the rear surface of the inner cavity of the metal electricity meter box (1), and the length values of the support columns (5) are the same.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109616913A (en) * | 2019-01-02 | 2019-04-12 | 国网河南省电力公司濮阳供电公司 | A multifunctional electric energy metering box |
| CN218974556U (en) * | 2022-11-04 | 2023-05-05 | 郑州大信科技有限公司 | Power equipment leakage monitoring device under smart power grid |
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| CN204065189U (en) * | 2014-07-28 | 2014-12-31 | 国家电网公司 | Leakage-current alarm type ammeter box |
| KR102006201B1 (en) * | 2019-01-16 | 2019-08-01 | (주)하이텍엔지니어링 | Electric leakage monitoring apparatus for apartment house and building |
| CN209460311U (en) * | 2019-02-02 | 2019-10-01 | 河南博方电气有限公司 | A kind of protection against electric shock ammeter box |
| CN210142173U (en) * | 2019-04-25 | 2020-03-13 | 厦门电力成套设备有限公司 | Electric meter |
| CN213275717U (en) * | 2020-06-30 | 2021-05-25 | 海南电网有限责任公司琼中供电局 | A ammeter case for electric leakage warning monitoring |
| KR102441745B1 (en) * | 2022-04-04 | 2022-09-08 | 한국전자기술연구원 | Arc and leakage current monitoring and interruption device of electric safety type solar junction box |
| CN218412680U (en) * | 2022-06-30 | 2023-01-31 | 国网安徽省电力有限公司淮南供电公司 | Metal ammeter case electric leakage on-line monitoring device, system and metal ammeter case |
| KR102558368B1 (en) * | 2022-12-20 | 2023-07-25 | (주)조은엔지니어링 | Apartment house electric leakage cut-off apparatus using IoT |
| CN219677874U (en) * | 2023-05-22 | 2023-09-12 | 江阴顺恒智能装备有限公司 | Ammeter case with electric leakage suggestion and prevent touching function |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616913A (en) * | 2019-01-02 | 2019-04-12 | 国网河南省电力公司濮阳供电公司 | A multifunctional electric energy metering box |
| CN218974556U (en) * | 2022-11-04 | 2023-05-05 | 郑州大信科技有限公司 | Power equipment leakage monitoring device under smart power grid |
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