Novel electronic guide rail prepayment electric energy meter
Technical Field
The utility model mainly relates to the technical field of electric energy meters, concretely relates to novel electronic type guide rail prepayment electric energy meter.
Background
An electric energy meter is an instrument for measuring electric energy, also called watt-hour meter, fire meter, kilowatt-hour meter, and refers to instruments for measuring various electric quantities.
When using a power meter, it is noted that the power meter can be directly connected to the circuit for measurement at low voltage (not more than 500 volts) and low current (tens of amperes). Under the condition of high voltage or large current, the electric energy meter cannot be directly connected with a circuit and needs to be matched with a voltage transformer or a current transformer for use.
With the rapid development of economy in China, the demand of various industries on electricity is increasingly greater, and the phenomenon of unbalanced electricity consumption at different times is increasingly serious. In order to relieve the increasingly sharp power supply and demand contradiction in China, adjust load curves, improve the phenomenon of unbalanced power consumption, comprehensively implement a peak, flat and valley time-sharing power price system, "load shifting" to improve the national power utilization efficiency and reasonably utilize power resources, a part of domestic provincial and municipal power departments have started to gradually provide multi-rate electric energy meters to charge the power consumption of users in a time-sharing manner.
The intelligent degree of the existing civil electric energy meter is still to be improved on the basis of a multi-rate metering mode, and particularly, under the mode of charging and supplying power by using an IC card, the electric energy meter has insufficient functionality in the aspects of data acquisition, processing and storage, so that the electricity charge payment process of a user is inconvenient, the problem of untimely charge continuation is easily caused, the daily electricity utilization is delayed, and the bad influence is brought to the life.
In view of the above, the present inventors have specially designed a novel electronic guide rail prepaid electric energy meter, and have developed this invention.
Disclosure of Invention
In order to solve the above problem, the technical scheme of the utility model is as follows:
a novel electronic guide rail prepayment electric energy meter comprises an electric energy meter device, wherein the electric energy meter device comprises an electric meter cover cap and a mounting plate, four vertex angles of the electric meter cover cap extend through a shell to a rear end through bolts and are connected with four vertex angles of the front surface of the mounting plate, an electronic element integrated plate is arranged at the lower end of the front surface of the mounting plate close to a horizontal central line, the four vertex angles of the electronic element integrated plate are connected with the shell of the mounting plate through screw penetrating plates, a radio frequency reader-writer is arranged on the front surface of one side of the electronic element integrated plate far away from the mounting plate, the rear end of the radio frequency reader-writer is in tin soldering connection with the center of the front surface of the electronic element integrated plate through a plurality of pins, and an alarm processing chip is arranged at the upper right corner of the front surface of the electronic element integrated plate close to, the lower extreme of warning processing chip is equipped with circuit protection executive chip, the radio frequency read write line is kept away from the one end of circuit protection executive chip is equipped with singlechip central processing unit, just warning processing chip, circuit protection executive chip and the rear end of singlechip central processing unit all through a plurality of stitches with the front surface casing soldering of electronic component integrated board is connected.
Furthermore, the upper end of the electronic component integrated board is provided with a voltage detector, the upper end of the voltage detector is provided with a current detector, and the voltage detector and the bottom of the current detector are fixed on the front surface of the mounting board through screws.
Further, the upper end of the current detector is provided with an LED digital display, the side walls of the two sides of the LED digital display are fixedly connected with a support frame through screws, and the bottom of the support frame is connected with the front surface of the mounting plate through screws.
Furthermore, one side of the current detector is provided with a first LED indicator lamp, a second LED indicator lamp is arranged under the first LED indicator lamp, one side of the current detector, which is far away from the first LED indicator lamp, is provided with a communication transmission port, the first LED indicator lamp and the second LED indicator lamp are connected with the front surface of the mounting plate in a soldering manner.
Furthermore, binding post is equipped with one by one under the perpendicular of radio frequency read write line ware, every binding post's lower extreme correspondence is equipped with annular ply-yarn drill, and is a plurality of binding post and a plurality of annular ply-yarn drill all are in through the screw fixation in the front surface bottom of electronic component integrated board.
Further, the mounting panel is kept away from there is guide rail card strip through the screw fixation on the rear surface of electronic component integrated board one end, guide rail card strip is equipped with two, two perpendicular setting about the guide rail card strip is, and two the bayonet socket of guide rail card strip is corresponding.
Further, the upper end of the front surface of the electric meter cover cap is provided with an arc-shaped transparent viewing port, and the arc-shaped transparent viewing port corresponds to the display end of the LED digital display.
Furthermore, a card swiping induction area is arranged at the lower end of the arc-shaped transparent observation port and corresponds to the radio frequency reader-writer.
Further, the lower extreme one side of the transparent viewing aperture of arc is equipped with first transparent lamp shade, be equipped with the transparent lamp shade of second under the perpendicular of first transparent lamp shade, just first transparent lamp shade with the transparent lamp shade of second respectively with first LED pilot lamp with the second LED pilot lamp is corresponding.
Further, the rear end of the ammeter cover cap is provided with rubber sealing strips along the edges, one end surface of the ammeter cover cap is far away from the rubber sealing strips, the front surface of the mounting plate is connected with the rubber sealing strips, and the rubber sealing strips are in extrusion contact with the front surface of the mounting plate.
Compared with the prior art, the beneficial effects of the utility model are that:
firstly, the utility model discloses an electric energy meter has adopted the full shield, and full seal structure uses advanced singlechip central processing unit to carry out data acquisition, handles and preserves, has good anti-electromagnetic interference, can intelligent reduction consumable reaching the economize on electricity effect to have high accuracy electronic measurement, need not the school table, still can prevent to steal the electricity phenomenon simultaneously to and the high advantage of transshipping and long-life;
secondly, an alarm is provided when the stored electric quantity of the user is insufficient through the alarm processing chip, the user can be reminded of paying the electric charge in time, the power failure due to the charge is avoided, the bad influence on the life of the user is prevented, and the circuit protection execution chip is used for automatically switching off and disconnecting the circuit when the stored electric quantity is zero, so that the purpose of reminding the user of paying the charge is achieved, and the practicability is high;
thirdly, when a user charges and recharges the IC card through the radio frequency reader-writer, the corresponding IC card is close to the position near the card swiping induction area, and then payment can be carried out through the frequency signal, so that the payment process of the user is simplified, and convenience is provided for the payment of the user.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it.
Wherein:
fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of the internal structure of the electric energy meter device of the present invention;
fig. 3 is an enlarged view of region a in fig. 1.
The reference numbers indicate:
the electric energy meter comprises an electric energy meter device, an electric meter cover 11, a meter cover 12, a mounting plate 121, a support frame 122, an LED digital display 123, a current detector 124, a voltage detector 124, an electronic component integrated board 125, a radio frequency reader-writer 125a, an alarm processing chip 125b, a single-chip microcomputer central processing unit 125c, a circuit protection execution chip 125d, a wire connecting terminal 125e, an annular wire clamp 125f, a communication transmission port 126, a first LED indicator light 127, a second LED indicator light 128, a guide rail clamping strip 13, a transparent arc observation port 14, an insulating sleeve 15, a card swiping induction area 16, a rubber sealing strip 17, a first transparent lamp shade 18 and a second transparent lamp shade 19.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 to 3, a novel electronic guide rail prepaid electric energy meter according to a preferred embodiment of the present invention includes an electric energy meter device 1, the electric energy meter device 1 includes a meter cover 11 and a mounting plate 12, four corners of the meter cover 11 extend through a housing to a rear end through bolts and are connected to four corners of a front surface of the mounting plate 12, an electronic component integrated board 125 is disposed at a lower end of the front surface of the mounting plate 12 near a horizontal center line, four corners of the electronic component integrated board 125 are connected to the housing of the mounting plate 12 through screws, a radio frequency reader/writer 125a is disposed on a front surface of the electronic component integrated board 125 on a side away from the mounting plate 12, a rear end of the radio frequency reader/writer 125a is soldered to a center of the front surface of the electronic component integrated board 125 through a plurality of pins, an alarm processing chip 125b is disposed at a position of the radio frequency reader/writer 125a near a front surface of the electronic component integrated board 125, the lower end of the alarm processing chip 125b is provided with a circuit protection execution chip 125d, one end of the radio frequency reader-writer 125a away from the circuit protection execution chip 125d is provided with a single-chip microcomputer central processing unit 125c, and the rear ends of the alarm processing chip 125b, the circuit protection execution chip 125d and the single-chip microcomputer central processing unit 125c are connected with the front surface shell of the electronic element integrated board 125 through a plurality of pins in a soldering manner.
The upper end of the electronic component integration board 125 is provided with a voltage detector 124, the upper end of the voltage detector 124 is provided with a current detector 123, and the bottoms of the voltage detector and the current detector 123 are fixed on the front surface of the mounting plate 12 through screws; an LED digital display 122 is arranged at the upper end of the current detector 123, the side walls of the two sides of the LED digital display 122 are fixedly connected with a support frame 121 through screws, and the bottom of the support frame 121 is connected with the front surface of the mounting plate 12 through screws; a first LED indicator light 127 is arranged on one side of the current detector 123, a second LED indicator light 128 is arranged right below the first LED indicator light 127, a communication transmission port 126 is arranged on one side of the current detector 123 far away from the first LED indicator light 127, and the first LED indicator light 127, the second LED indicator light 128 and the communication transmission port 126 are all connected with the front surface of the mounting plate 12 in a soldering connection manner; the connection terminals 125e are disposed vertically below the rf reader 125a one by one, the lower end of each connection terminal 125e is correspondingly disposed with a ring-shaped line card 125f, and the connection terminals 125e and the ring-shaped line cards 125f are fixed to the bottom end of the front surface of the electronic component board 125 by screws. In this embodiment, a unidirectional external power line passes through a plurality of insulation sleeves 15 at the bottom of the electric energy meter device 1 and penetrates through a plurality of ring-shaped line cards 125f to extend to a plurality of connection terminals 125e for screw extrusion connection, a matched 4428IC card and a radio frequency reader-writer 125a are used for sensing to carry out recharging, electric quantity data of a user are read and written onto a singlechip central processing unit 125c for storage, the singlechip central processing unit 125c is used for measuring the active electric quantity with the user frequency of 50HZ or 60HZ, the measured active electric quantity is converted into a digital form and is displayed by an LED digital display 122, meanwhile, a voltage detector 124 and a current detector 123 are used for monitoring the electric consumption condition of the user in real time, relevant data are collected for recording and storage, then, a communication transmission port 126 is used for remote data transmission, the communication transmission port 126 is an RS485 interface, the frequency is 2400 HZ band, and when user's electric quantity is normal, first LED pilot lamp 127 can be bright often, and light is green, and the electric quantity is not enough to be close to zero, and second LED pilot lamp 128 can be interrupted the scintillation, and light is red, and the suggestion electric quantity is not enough.
The mounting panel 12 is kept away from on the rear surface of electronic component integrated board 125 one end and is had guide rail card strip 13 through the screw fixation, and guide rail card strip 13 is equipped with two, and two guide rail card strips 13 are the vertical setting of going up, and the bayonet socket of two guide rail card strips 13 is corresponding. In this embodiment, through two vertical settings about and two guide rail card strips 13 that the bayonet socket corresponds for electric energy meter device 1 can be connected with the guide rail through the joint mode, makes things convenient for its dismantlement and installation.
The upper end of the front surface of the electric meter cover 11 is provided with an arc transparent viewing port 14, and the arc transparent viewing port 14 corresponds to the display end of the LED digital display 122. In this embodiment, the arc-shaped transparent viewing port 14 corresponds to the LED digital display 122, so that the user can observe the use condition of the electric quantity in daily life, and the meter reading record of the worker is facilitated.
The lower end of the arc transparent viewing port 14 is provided with a card swiping sensing area 16, and the card swiping sensing area 16 corresponds to the radio frequency reader-writer 125 a. In this embodiment, the card swiping sensing area 16 corresponds to the rf reader 125a, and the user can directly take the matched 4428IC card to contact the card swiping sensing area 16, so as to realize information transmission and exchange between the 4428IC card and the internal rf reader 125 a.
A first transparent lampshade 18 is arranged on one side of the lower end of the arc-shaped transparent observation opening 14, a second transparent lampshade 19 is arranged right below the first transparent lampshade 18, and the first transparent lampshade 18 and the second transparent lampshade 19 correspond to the first LED indicator light 127 and the second LED indicator light 128 respectively. In the present embodiment, the first transparent lamp cover 18 and the second transparent lamp cover 19 not only protect the first LED indicator 127 and the second LED indicator 128, but also facilitate the observation of the light and the dust prevention of the inside.
The rear end of the electric meter cover 11 is provided with a rubber sealing strip 17 along the edge, one end surface of the rubber sealing strip 17 far away from the electric meter cover 11 is connected with the front surface of the mounting plate 12, and the connection mode is extrusion contact. In the embodiment, the rubber sealing strip 17 is used for ensuring the airtightness between the electric meter cover 11 and the mounting plate 12, so that the full-airtight characteristic of the electric energy meter device is realized, and internal electronic elements are protected.
The utility model discloses a concrete operation as follows:
firstly, a unidirectional external power line passes through a plurality of insulating sleeves 15 at the bottom of the electric energy meter device 1 and penetrates through a plurality of annular line cards 125f to extend to a plurality of wiring terminals 125e for screw extrusion connection, so that the electric energy meter device 1 is electrified to work, then a matched 4428IC card and a radio frequency reader-writer 125a are used for induction to pay, meanwhile, electric quantity data of a user are read and written on a singlechip central processing unit 125c for storage, the singlechip central processing unit 125c is used for metering the active electric quantity of the user, the active electric quantity is converted into a digital form to be displayed through an LED digital display 122, meanwhile, a voltage detector 124 and a current detector 123 are used for monitoring the electric consumption condition of the user in real time, relevant data are collected for recording and storage, then, a communication transmission port 126 is used for remote data transmission, in the process of metering the electric quantity, the normal green light that lights through first LED pilot lamp 127 indicates that the electric quantity is comparatively sufficient, comes to provide the signal for second LED pilot lamp 128 to the electric quantity is not enough through warning processing chip 125b, makes its scintillation's discontinuity light the red light, indicates that the electric quantity is close not enough, and the suggestion charges, and when the electric quantity was zero, utilize circuit protection to carry out chip 125d disconnection circuit for the user cuts off the power supply, and the suggestion it charges.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.