CN110794199A - Multifunctional electric power instrument - Google Patents
Multifunctional electric power instrument Download PDFInfo
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- CN110794199A CN110794199A CN201911116742.XA CN201911116742A CN110794199A CN 110794199 A CN110794199 A CN 110794199A CN 201911116742 A CN201911116742 A CN 201911116742A CN 110794199 A CN110794199 A CN 110794199A
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- electric
- power instrument
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
- G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/001—Measuring real or reactive component; Measuring apparent energy
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/006—Measuring power factor
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
- G08B5/38—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources using flashing light
Abstract
A multifunctional electric power instrument comprises an electric power instrument body, wherein the electric power instrument body comprises a display layer, a measurement layer, a communication layer, an early warning layer and a main board layer, wherein the measurement layer, the communication layer, the early warning layer and the main board layer are all arranged in a layered mode; the top end of the electric instrument body is detachably connected with a main board cavity, the main board layer is positioned in the main board cavity, three layers of pull plates are arranged right below the main board cavity, and two sides of the three layers of pull plates can be detachably connected with sliding mechanisms; electric power instrument body both sides all are equipped with fixed chamber, fixed intracavity all is equipped with fixed establishment. The invention utilizes the drawing plate to assemble and install all the functional units, thereby facilitating the self-checking, mutual inspection and upgrading of all the functional units, and simultaneously, all the functional units are dispersedly installed, thereby dispersing heat and reducing the heat damage of internal devices.
Description
Technical Field
The invention mainly relates to the technical field of electric power equipment, in particular to a multifunctional electric power instrument installed in a functional combination mode.
Background
With the modern development of society, electricity becomes a necessity in our lives, and an electric power instrument is needed when the actions such as measurement and monitoring of electric power are needed.
The power meter provides a solution for power parameter measurement, power quality monitoring and analysis, and electrical equipment control. As an advanced intelligent and digital power grid front-end acquisition element, the power instrument is widely used in various control systems, substation automation, community power monitoring, industrial automation, intelligent buildings, intelligent power distribution cabinets, switch cabinets and other devices.
Inside the instrument is arranged in to the general all functional unit of current electric power instrument mixes, and each functional unit is in same cavity, and not only the wiring is mixed and disorderly, and the heat that produces mixes together moreover, arouses the conflagration easily to it is inconvenient that the maintenance is got up.
Disclosure of Invention
The invention provides a multifunctional electric power instrument, which is used for solving the technical problems that all functional units of the existing electric power instrument are mixed and arranged in the instrument, wiring is messy, heat concentration is easy to generate faults, and maintenance is inconvenient.
The technical scheme adopted by the invention for solving the technical problems is as follows: a multifunctional electric power instrument comprises an electric power instrument body, wherein the electric power instrument body comprises a display layer, a measurement layer, a communication layer, an early warning layer and a main board layer, wherein the measurement layer, the communication layer, the early warning layer and the main board layer are arranged in a layered mode; the top end of the electric power instrument body is detachably connected with a main board cavity, the main board layer is located in the main board cavity, three layers of pull boards are arranged under the main board cavity, the measuring layer is arranged in the first layer of pull board, the communication layer is arranged in the second layer of pull board, the early warning layer is arranged in the third layer of pull board, the pull boards are respectively provided with a locking mechanism, and two sides of the three layers of pull boards can be detachably connected with a sliding mechanism; electric power instrument body both sides all are equipped with fixed chamber, fixed intracavity all is equipped with fixed establishment.
Further, latched device includes the lock core, the lock core is followed pull board surface extends to its inside, just lock core surface fixed connection pivot, pivot one side fixed connection rotary rod, the rotatable card of rotary rod is gone into the lock sleeve, lock sleeve middle part one side fixed connection quarter butt, quarter butt fixed connection electric power instrument body internal surface.
Furthermore, an opening is formed in one side of the lock sleeve, namely the lock sleeve is of an unclosed circular ring structure, the width of the opening is slightly smaller than the diameter of the rotary rod, and the opening is elastic.
Furthermore, slide mechanism includes the fixed rail of slip, the fixed rail of slip can be dismantled and connect the both sides of pull board, just the fixed rail block of slip is connected the internal fixation rail, the fixed rail of slip with be equipped with a plurality of balls between the internal fixation rail, just the external fixation rail of internal fixation rail fixed connection, the connection can be dismantled to the external fixation rail the internal surface of electric power instrument body.
Further, fixed establishment includes the transmission piece, transmission piece one end fixed connection transfer line, the gear is connected in the transfer line interlock, the lifter is connected in the gear interlock, lifter one end fixed connection spring, one side of its other end is equipped with the swivel becket, swivel becket other end fixed connection fixed block, be equipped with solenoid on the fixed block.
Furthermore, a limiting groove 761 is formed in the rotating ring 76, a sliding rod 762 is installed in the limiting groove 761 in a matching manner, the sliding rod 762 is fixedly connected with a movable rod 763, a bearing of the movable rod 763 is connected with a fixed rod 764, the fixed rod 764 is fixedly connected with an inner wall on one side of the fixed cavity 6, and meanwhile, the gear 73 is also fixedly connected with an inner wall on one side of the fixed cavity 6.
Furthermore, a panel is arranged on one side of the electric power instrument body, a display screen is arranged in the middle of the panel, a plurality of indicator lamps are arranged on one side of the display screen, and the indicator lamps are vertically arranged; the display screen opposite side is equipped with human infrared ray sensor, human infrared ray sensor electric connection mainboard layer, be equipped with button panel under the display screen.
Further, the measurement layer: the device can realize accurate measurement of three-phase voltage, three-phase current, active power, reactive power and power factors, and is provided with an electric energy metering module, so that meter reading can be performed at regular time, and electric energy calculation can be performed at different times;
the display layer: receiving the data detected by the measuring layer and displaying the related data;
the communication layer: the electric power meter is allowed to communicate with two systems simultaneously by adopting a dual-communication mode, and a user terminal can be remotely controlled;
the early warning layer: the system comprises an electric leakage detection module and a fire monitoring module, wherein once the electric leakage detection module finds electric leakage, the electric leakage detection module immediately trips to cut off power and sends out an electric alarm signal, and the electric signal sends out an alarm through a communication layer; the fire monitoring module can monitor the residual current, the wire temperature, the load condition and the actual operation voltage of the power instrument, and once the values are found to exceed a preset threshold value, the fire monitoring module immediately starts tripping and power-off and sends out a photoelectric alarm signal;
the main board layer: and storing all the measurement data and controlling the operation of the whole power meter.
Compared with the prior art, the invention has the beneficial effects that:
the invention has reasonable design and convenient use, combines and installs each functional unit by utilizing the drawing plate, is convenient for self-checking, mutual checking and upgrading of each functional unit, and simultaneously disperses and installs each functional unit to disperse concentrated heat, thereby reducing the heat damage of internal devices and being more convenient for maintenance;
the fixing mechanism of the electric power instrument is formed by a simple mechanical structure, so that the electric power instrument is convenient to maintain and install, and the installation stability of the electric power instrument can be improved;
a human body infrared sensor is arranged on a panel of the instrument, the brightness of the display screen is controlled according to the on-site and off-site states of operators, and the power consumption is reduced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the system components of the present invention;
FIG. 3 is a schematic view of the construction of a portion of the drawer of the present invention;
FIG. 4 is an enlarged view of the region A in FIG. 1 according to the present invention
FIG. 5 is an enlarged view of region B of FIG. 3 in accordance with the present invention;
FIG. 6 is a schematic plan view of the sliding mechanism of the present invention;
FIG. 7 is a schematic plan view of the securing mechanism of the present invention;
fig. 8 is a schematic front view of the present invention.
Description of reference numerals:
1-an electric power meter body; 2-main board cavity; 3, drawing and pulling a plate; 4-a locking mechanism; 41-a lock cylinder; 42-a rotating shaft; 43-rotating rod; 44-a lock sleeve; 441-opening; 45-short bar; 5-a sliding mechanism; 51-a sliding fixed rail; 52-inner fixed rail; 53-a ball bearing; 54-outer fixed rail; 6-fixing the cavity; 7-a fixing mechanism; 71-a transmission block; 72-a transmission rod; 73-gear; 74-lifting rod; 75-a spring; 76-a rotating ring; 761-a limit groove; 762 — a slide bar; 763-moving rod; 764-a fixed bar; 77-fixing block; 78-an electromagnetic coil; 8-a panel; 81-display screen; 82-an indicator light; 83-human infrared sensor; 84-keypad.
Detailed Description
Reference will now be made in detail to various exemplary embodiments of the invention, the detailed description should not be construed as limiting the invention but as a more detailed description of certain aspects, features and embodiments of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made in the specific embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The specification and examples are exemplary only.
In an embodiment, referring to fig. 1 to 3, a multifunctional power meter includes a power meter body 1, where the power meter body 1 includes a display layer, a measurement layer, a communication layer, an early warning layer, and a main board layer, where the measurement layer, the communication layer, the early warning layer, and the main board layer are layered; the top end of the electric power instrument body 1 is detachably connected with a main board cavity 2, the main board layer is located in the main board cavity 2, three layers of pull boards 3 are arranged under the main board cavity 2, the measuring layer is arranged in a first layer of the pull boards 3, the communication layer is arranged in a second layer of the pull boards 3, the early warning layer is arranged in a third layer of the pull boards 3, and each functional layer is installed in a combined mode, so that the functions are distinct, and self-checking and mutual checking are facilitated; the locking mechanisms 4 are arranged on the drawing plates 3, and the sliding mechanisms 5 can be detachably connected to two sides of the three layers of the drawing plates 3, so that the drawing plates are convenient for operators to use; the electric power instrument body 1 both sides all are equipped with fixed chamber 6, all be equipped with fixed establishment 7 in the fixed chamber 6, increase the stability of electric power instrument installation.
The surface of the top of the main board cavity 2 is provided with a plurality of heat dissipation holes which are evenly arranged to dissipate heat of the main board layer.
Referring to fig. 3-5, the locking mechanism 4 includes a lock cylinder 41, the lock cylinder 41 extends from the outer surface of the pull plate 3 to the inside thereof, the outer surface of the lock cylinder 41 is fixedly connected with a rotating shaft 42, one side of the rotating shaft 42 is fixedly connected with a rotating rod 43, the rotating rod 43 is rotatably clamped into a lock sleeve 44, one side of the middle of the lock sleeve 44 is fixedly connected with a short rod 45, and the short rod 45 is fixedly connected with the inner surface of the electric power instrument body 1.
A groove is formed in the right lower portion of the lock cylinder 41, a baffle is arranged above the groove, a user can put fingers into the groove to pull the baffle to pull the pull plate 3, and the design reduces the space occupancy rate.
An opening 441 is formed in one side of the lock sleeve 44, that is, the lock sleeve 44 is an unclosed circular ring structure, the width of the opening 441 is slightly smaller than the diameter of the rotating rod 43, the opening 441 is elastic, and the opening 441 extends to the other side of the lock sleeve 44 to form a limiting groove, so that the position of the rotating rod 43 clamped in the lock sleeve 44 is limited.
Referring to fig. 6, the sliding mechanism 5 includes a sliding fixed rail 51, the sliding fixed rail 51 is detachably connected to two sides of the drawing plate 3, the sliding fixed rail 51 is connected to an inner fixed rail 52 in a clamping manner, a plurality of balls 53 are disposed between the sliding fixed rail 51 and the inner fixed rail 52, the inner fixed rail 52 is fixedly connected to an outer fixed rail 54, and the outer fixed rail 54 is detachably connected to an inner surface of the electric power instrument body 1.
The sliding fixed rail 51 is of a pi-shaped structure which rotates by 90 degrees clockwise, and the inner fixed rail 52 is of a bow-like structure.
Referring to fig. 7, the fixing mechanism 7 includes a transmission block 71, one end of the transmission block 71 is fixedly connected to a transmission rod 72, the transmission rod 72 is engaged with a gear 73, the gear 73 is engaged with a lifting rod 74, one end of the lifting rod 74 is fixedly connected to a spring 75, one side of the other end of the lifting rod 74 is provided with a rotating ring 76, the other end of the rotating ring 76 is fixedly connected to a fixing block 77, and the fixing block 77 is provided with an electromagnetic coil 78 to realize the reinforcement of the instrument through a simple mechanical structure.
A limit groove 761 is arranged on the rotating ring 76, a sliding rod 762 is installed in the limit groove 761 in a matching manner, the sliding rod 762 is fixedly connected with a movable rod 763, the movable rod 763 is connected with a fixed rod 764 through a bearing, the movable range of the rotating ring 76 is set, the fixed rod 764 is fixedly connected with the inner wall of one side of the fixed cavity 6, and simultaneously the gear 73 is also fixedly connected with the inner wall of one side of the fixed cavity 6,
referring to fig. 8, a panel 8 is disposed on one side of the power instrument body 1, a display screen 81 is disposed in the middle of the panel 8, a plurality of indicator lights 82 are disposed on one side of the display screen 81, and the indicator lights 82 are vertically arranged; a human body infrared sensor 83 is arranged on the other side of the display screen 81, the human body infrared sensor 83 is electrically connected with the main board layer, and a key panel 84 is arranged right below the display screen 81; the number of the indicator lights 82 is at least four, and the indicator lights 82 sequentially display normal operation, overvoltage, overload and other faults from top to bottom, when no fault exists, the indicator lights 82 normally display, and when a fault occurs inside the system, the corresponding indicator lights 82 start to flash.
Referring to fig. 2, the measurement layer: the device can realize accurate measurement of three-phase voltage, three-phase current, active power, reactive power and power factors, and is provided with an electric energy metering module, so that meter reading can be performed at regular time, and electric energy calculation can be performed at different times;
the display layer: receiving the data detected by the measuring layer and displaying the related data;
the communication layer: the electric power meter is allowed to communicate with two systems simultaneously by adopting a dual-communication mode, and a user terminal can be remotely controlled;
the early warning layer: the system comprises an electric leakage detection module and a fire monitoring module, wherein once the electric leakage detection module finds electric leakage, the electric leakage detection module immediately trips to cut off power and sends out an electric alarm signal, and the electric signal sends out an alarm through a communication layer; the fire monitoring module can monitor the residual current, the wire temperature, the load condition and the actual operation voltage of the power instrument, and once the values are found to exceed a preset threshold value, the fire monitoring module immediately starts tripping and power-off and sends out a photoelectric alarm signal;
the main board layer: and storing all the measurement data and controlling the operation of the whole power meter.
The specific operation process of the invention is as follows:
(1) inserting the electric instrument into the installation cavity of the switch cabinet, extruding the transmission block 71, horizontally moving the transmission rod 72 to drive the gear 73 to rotate anticlockwise, vertically moving the lifting rod 74 upwards to drive the rotating ring 76 to rotate, enabling the electromagnetic coil 78 to extend out of the fixed cavity 6, starting the electric instrument, adsorbing the wall of the switch cabinet by the electromagnetic coil 78, and completing installation of the electric instrument;
(2) the drawing plate 3 is closed by sliding through the sliding mechanism 5, the lock core 41 is screwed by a key, the lock core 41 drives the rotating shaft 42 to rotate, and the rotating rod 43 is clamped in the lock sleeve 44 in a rotating manner; when the lock needs to be opened, a key is turned in the opposite direction, the rotating rod 43 slides out of the lock sleeve 44 and is placed in a horizontal state, the drawing plate 3 is drawn, the sliding fixed rail 51 slides on the inner fixed rail 52, and the drawing plate 3 can be completely drawn out or half drawn out according to the selection of an operator;
(3) when an operator approaches the power meter, the human body infrared sensor 83 detects human body information and transmits a signal to the main board layer, the brightness of the display screen 81 is increased by the main board layer, and when the operator leaves, the human body infrared sensor 83 does not detect the human body information, and the brightness of the display screen 81 is decreased by the main board layer;
(4) the measuring layer realizes accurate measurement of three-phase voltage, three-phase current, active power, reactive power and power factors, meter reading is carried out at regular time, electric energy calculation is carried out, collected data are displayed through the display layer, and meanwhile, the data are transmitted to the mainboard layer to be stored;
(5) when electric leakage occurs in the system, the system is immediately tripped and powered off, meanwhile, the first indicator lamp 62 begins to flicker, an alarm signal is transmitted to the terminal, when overvoltage, overload or other thermal faults occur, the corresponding indicator lamp 62 flickers, tripping and power off are carried out, and meanwhile, the signal is transmitted to the terminal.
In conclusion, the invention has reasonable design and convenient use, the functional units are assembled and installed by utilizing the drawing plate, the self-checking, mutual inspection and upgrading of the functional units are convenient, meanwhile, the functional units are dispersedly installed, the concentrated heat is also dispersed, the heat damage of internal devices is reduced, and the maintenance is more convenient;
the leakage detection module and the fire detection module are arranged, once a fault is found, the power is cut off immediately and an alarm signal is sent out, the occurrence rate of leakage damage and fire is reduced, and the double-communication mode is set, so that the leakage detection module and the fire detection module can communicate with two systems without mutual influence, and the use is convenient;
the fixing mechanism of the electric power instrument is formed by a simple mechanical structure, so that the electric power instrument is convenient to maintain and install, and the installation stability of the electric power instrument can be improved; a human body infrared sensor is arranged on a panel of the instrument, the brightness of the display screen is controlled according to the on-site and off-site states of operators, and the power consumption is reduced.
The foregoing is merely an illustrative embodiment of the present invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principle of the present invention should fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a multi-functional electric power instrument, includes electric power instrument body (1), its characterized in that: the electric power instrument body (1) comprises a display layer, a measurement layer, a communication layer, an early warning layer and a main board layer, wherein the measurement layer, the communication layer, the early warning layer and the main board layer are arranged in a layered mode; the electric power instrument is characterized in that the top end of the electric power instrument body (1) is detachably connected with a main board cavity (2), the main board layer is located in the main board cavity (2), three layers of pull boards (3) are arranged under the main board cavity (2), the measuring layer is arranged in a first layer of the pull boards (3), the communication layer is arranged in a second layer of the pull boards (3), the early warning layer is arranged in a third layer of the pull boards (3), the pull boards (3) are respectively provided with a locking mechanism (4), and two sides of the three layers of the pull boards (3) can be detachably connected with sliding mechanisms (5); the electric power instrument is characterized in that fixing cavities (6) are arranged on two sides of the electric power instrument body (1), and fixing mechanisms (7) are arranged in the fixing cavities (6).
2. A multifunctional power meter as claimed in claim 1, characterized in that: latching mechanism (4) include lock core (41), lock core (41) are followed pull board (3) surface extends to its inside, just lock core (41) surface fixed connection pivot (42), pivot (42) one side fixed connection rotary rod (43), lock sleeve (44) are gone into to rotatable the card of rotary rod (43), lock sleeve (44) one side fixed connection quarter butt (45) in middle part, quarter butt (45) fixed connection the electric power instrument body (1) internal surface.
3. A multifunctional power meter as claimed in claim 2, characterized in that: an opening (441) is formed in one side of the lock sleeve (44), namely, the lock sleeve (44) is of an unclosed circular ring structure, the width of the opening (441) is slightly smaller than the diameter of the rotating rod (43), and the opening (441) has elasticity.
4. A multifunctional power meter as claimed in claim 1, characterized in that: slide mechanism (5) are including slip fixed rail (51), the connection can be dismantled in slip fixed rail (51) the both sides of pull board (3), just interior fixed rail (52) are connected in slip fixed rail (51) block, slip fixed rail (51) with be equipped with a plurality of balls (53) between interior fixed rail (52), just interior fixed rail (52) fixed connection outer fixed rail (54), outer fixed rail (54) can be dismantled the connection the internal surface of electric power instrument body (1).
5. A multifunctional power meter as claimed in claim 1, characterized in that: fixed establishment (7) are including transmission piece (71), transmission piece (71) one end fixed connection transfer line (72), transfer line (72) interlock connection gear (73), lifter (74) is connected in gear (73) interlock, lifter (74) one end fixed connection spring (75), one side of its other end is equipped with swivel becket (76), swivel becket (76) other end fixed connection fixed block (77), be equipped with solenoid (78) on fixed block (77).
6. A multifunctional power meter as claimed in claim 5, characterized in that: be equipped with spacing groove (761) on swivel becket (76), match installation slide bar (762) in spacing groove (761), slide bar (762) fixed connection movable rod (763), dead lever (764) is connected to movable rod (763) bearing, dead lever (764) fixed connection fixed cavity (6) one side inner wall, simultaneously gear (73) also fixed connection fixed cavity (6) one side inner wall.
7. A multifunctional power meter as claimed in claim 1, characterized in that: a panel (8) is arranged on one side of the electric power instrument body (1), a display screen (81) is arranged in the middle of the panel (8), a plurality of indicating lamps (82) are arranged on one side of the display screen (81), and the indicating lamps (82) are vertically arranged; display screen (81) opposite side is equipped with human infrared ray sensor (83), human infrared ray sensor (83) electric connection mainboard layer, be equipped with button panel (84) under display screen (81).
8. A multifunctional power meter as claimed in claim 1, characterized in that:
the measurement layer: the device can realize accurate measurement of three-phase voltage, three-phase current, active power, reactive power and power factors, and is provided with an electric energy metering module, so that meter reading can be performed at regular time, and electric energy calculation can be performed at different times;
the display layer: receiving the data detected by the measuring layer and displaying the related data;
the communication layer: the electric power meter is allowed to communicate with two systems simultaneously by adopting a dual-communication mode, and a user terminal can be remotely controlled;
the early warning layer: the system comprises an electric leakage detection module and a fire monitoring module, wherein once the electric leakage detection module finds electric leakage, the electric leakage detection module immediately trips to cut off power and sends out an electric alarm signal, and the electric signal sends out an alarm through a communication layer; the fire monitoring module can monitor the residual current, the wire temperature, the load condition and the actual operation voltage of the power instrument, and once the values are found to exceed a preset threshold value, the fire monitoring module immediately starts tripping and power-off and sends out a photoelectric alarm signal;
the main board layer: and storing all the measurement data and controlling the operation of the whole power meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911116742.XA CN110794199A (en) | 2019-11-15 | 2019-11-15 | Multifunctional electric power instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911116742.XA CN110794199A (en) | 2019-11-15 | 2019-11-15 | Multifunctional electric power instrument |
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| CN110794199A true CN110794199A (en) | 2020-02-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112946332A (en) * | 2021-02-01 | 2021-06-11 | 山东银山电气有限公司 | Multifunctional electric power instrument |
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Application publication date: 20200214 |