CN210323166U

CN210323166U - WIFI intelligent electric energy meter

Info

Publication number: CN210323166U
Application number: CN201921174330.7U
Authority: CN
Inventors: 张德乐
Original assignee: Hangzhou Palm Rent Asset Management Co ltd
Current assignee: Hangzhou Palm Rent Asset Management Co ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-04-14
Anticipated expiration: 2029-07-24

Abstract

The utility model discloses a WIFI intelligent electric energy meter, which comprises an outer shell, the waterproof board is installed at the top of shell, the slot has all been seted up at the top of shell both sides, the inner chamber of waterproof board is seted up flutedly, the inner chamber of recess runs through and is provided with the kelly, the surface cover of kelly is equipped with the spring, the outside of kelly runs through outside and the fixedly connected with arm-tie to the waterproof board, the inboard of kelly runs through to the inboard of waterproof board and extends to the inner chamber of slot, the box body is installed to the bottom of shell inner wall. The utility model discloses a cooperation of shell, arm-tie, waterproof board, slot, spring, display screen, recess, kelly, pilot lamp, WIFI module, control panel, box body, auxiliary relay and micro-control unit is used, has reached the accurate advantage of measurement, has solved current electric energy meter and has measured accurately when using, and often the electric quantity error is great to can exist the deviation as for the electric energy meter measurement, the problem that people used not convenient for.

Description

WIFI intelligent electric energy meter

Technical Field

The utility model relates to an intelligence electric energy meter technical field specifically is WIFI intelligent electric energy meter.

Background

The electric energy meter is an instrument for measuring electric energy, also called watt-hour meter, fire meter and kilowatt-hour meter, and refers to an instrument for measuring various electric quantities, when the electric energy meter is used, it is noted that under the condition of low voltage (not more than 500V) and small current (tens of amperes), the electric energy meter can be directly connected into a circuit for measurement, and under the condition of high voltage or large current, the electric energy meter can not be directly connected into a circuit and needs to be matched with a voltage transformer or a current transformer for use.

WIFI intelligence electric energy meter is also one kind of smart electric meter, and current electric energy meter is accurate when using, and often the electric quantity error is great to the deviation can exist in the electric energy meter measurement, and the people of not being convenient for use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a WIFI intelligence electric energy meter possesses the accurate advantage of measurement, and it is accurate to have solved current electric energy meter when using, and often the electric quantity error is great to the deviation can exist as to the electric energy meter measurement, the problem that the people of not being convenient for used.

(II) technical scheme

In order to realize the purpose of accurate measurement, the utility model provides a following technical scheme: the WIFI intelligent electric energy meter comprises a shell, wherein a waterproof plate is installed at the top of the shell, slots are formed in the tops of two sides of the shell, a groove is formed in an inner cavity of the waterproof plate, a clamping rod penetrates through the inner cavity of the groove, a spring is sleeved on the surface of the clamping rod, the outer side of the clamping rod penetrates through the outer side of the waterproof plate and is fixedly connected with a pull plate, the inner side of the clamping rod penetrates through the inner side of the waterproof plate and extends to the inner cavity of the slot, a box body is installed at the bottom of the inner wall of the shell, a WIFI module, a micro-control unit, a control panel and an intermediate relay are sequentially installed in the inner cavity of the shell from top to bottom, a display screen is installed on the left side of the top;

the WIFI module comprises an integrated chip U3, one end of an integrated chip U3 is connected with received data 485RXD, the other end of an integrated chip U3 is connected with sent data 485TXD, one end of an integrated chip U3 is connected with a wireless interface WIFILINK, the other end of the integrated chip U3 is connected with a pin NRELOAD, one end of an integrated chip U3 is connected with a power supply plus 3.3V, and the other end of an integrated chip U3 is connected with a common grounding end;

the control board comprises an integrated chip U1, the integrated chip U1 comprises a voltage input end VIN, a voltage output end VOUT and a common ground terminal, one end of the integrated chip U1 is connected with a power supply 12V, the other end of the integrated chip U1 is connected with a digital circuit VDD5, the voltage input end VIN is connected with the common ground terminal through a capacitor C12, one end of the voltage output end VOUT is connected with the common ground terminal through a capacitor C14, and the voltage output end VOUT and the common ground terminal are connected in parallel through a capacitor + C13;

the intermediate relay comprises J1 and J2, J1 comprises a power supply positive pole P + and a power supply negative pole P-, J2 comprises a power supply positive pole P + and a power supply negative pole P-;

the micro-control unit comprises an integrated chip U2, LED nixie tube pins SEG 13-SEG 0 are connected to the left end and the top end of the integrated chip U2, grounding points COM 0-COM 5 are connected to the right side and the top of the integrated chip U2, and the bottom of the integrated chip U2 is sequentially connected with a zero calibration IBP, a digital chip IBN, a change-over switch IAN, a change-over switch IAP, a temperature UP, a reference voltage REF, a grounding line GND, a digital circuit VDD5, a voltage regulator LDO3, a positive digital power supply voltage DVCC and a diode VDCN from right to left.

Preferably, the outer side of the spring is fixedly connected with the inner wall of the groove, and the inner cavity of the spring is in sliding connection with the surface of the clamping rod.

Preferably, the top of the display screen penetrates to the top of the shell, and the waterproof plate is located at the top of the display screen.

Preferably, the top of pilot lamp runs through to the top of shell, the pilot lamp normally works as green light, and unusual work is red light.

(III) advantageous effects

Compared with the prior art, the utility model provides a WIFI intelligence electric energy meter possesses following beneficial effect:

1. the utility model discloses a cooperation of shell, arm-tie, waterproof board, slot, spring, display screen, recess, kelly, pilot lamp, WIFI module, control panel, box body, auxiliary relay and micro-control unit is used, has reached the accurate advantage of measurement, has solved current electric energy meter and has measured accurately when using, and often the electric quantity error is great to can exist the deviation as for the electric energy meter measurement, the problem that people used not convenient for.

2. The utility model discloses a waterproof board can effectually prevent that external water source can get into the inner wall of display screen to influence the normal work of display screen.

3. The utility model discloses a slot has made things convenient for card pole card that can coincide to go on fixing the position of waterproof board.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a right side view of the waterproof board structure of the present invention;

FIG. 3 is a cross-sectional view of the housing structure of the present invention;

fig. 4 is a circuit diagram of the WIFI module structure of the present invention;

fig. 5 is a circuit diagram of the control board structure of the present invention;

fig. 6 is a circuit diagram of the intermediate relay structure of the present invention;

fig. 7 is a circuit diagram of the micro-control unit structure of the present invention.

In the figure: 1. a housing; 2. pulling a plate; 3. a waterproof sheet; 4. a slot; 5. a spring; 6. a display screen; 7. a groove; 8. a clamping rod; 9. an indicator light; 10. a WIFI module; 11. a control panel; 12. a box body; 13. an intermediate relay; 14. and a micro control unit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a shell 1, arm-tie 2, waterproof board 3, slot 4, spring 5, display screen 6, recess 7, kelly 8, pilot lamp 9, WIFI module 10, control panel 11, box body 12, auxiliary relay 13 and micro-control unit 14 part are the parts that general standard or technical personnel in the field know, and its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental approach.

Referring to fig. 1-7, the WIFI intelligent electric energy meter includes a housing 1, a waterproof plate 3 is installed on the top of the housing 1, and through the waterproof plate 3, external water can be effectively prevented from entering the inner wall of a display screen 6, thereby affecting the normal operation of the display screen 6, slots 4 are respectively formed on the top of both sides of the housing 1, a groove 7 is formed in the inner cavity of the waterproof plate 3, a clamping rod 8 is arranged in the inner cavity of the groove 7 in a penetrating manner, a spring 5 is sleeved on the surface of the clamping rod 8, the outer side of the spring 5 is fixedly connected with the inner wall of the groove 7, the inner cavity of the spring 5 is slidably connected with the surface of the clamping rod 8, the outer side of the clamping rod 8 penetrates to the outer side of the waterproof plate 3 and is fixedly connected with a pulling plate 2, the inner side of the clamping rod 8 penetrates to the inner side of the waterproof plate 3 and extends to the inner cavity of the slot 4, and through the, the bottom of the inner wall of the shell 1 is provided with a box body 12, an inner cavity of the shell 1 is sequentially provided with a WIFI module 10, a micro-control unit 14, a control panel 11 and an intermediate relay 13 from top to bottom, the left side of the top of the WIFI module 10 is provided with a display screen 6, the right side of the top of the WIFI module 10 is provided with an indicator light 9, the top of the display screen 6 penetrates through the top of the shell 1, the waterproof plate 3 is positioned at the top of the display screen 6, the top of the indicator light 9 penetrates through the top of the shell 1, the indicator light 9 normally works as a green light, and the abnormal work is;

the WIFI module 10 comprises an integrated chip U3, one end of an integrated chip U3 is connected with received data 485RXD, the other end of an integrated chip U3 is connected with sent data 485TXD, one end of an integrated chip U3 is connected with a wireless interface WIFILINK, the other end of the integrated chip U3 is connected with a pin NRELOAD, one end of an integrated chip U3 is connected with a power supply plus 3.3V, and the other end of an integrated chip U3 is connected with a common grounding end;

the control board 11 comprises an integrated chip U1, the integrated chip U1 comprises a voltage input end VIN, a voltage output end VOUT and a common ground end, one end of the integrated chip U1 is connected with a power supply 12V, the other end of the integrated chip U1 is connected with a digital circuit VDD5, the voltage input end VIN is connected with the common ground end through a capacitor C12, one end of the voltage output end VOUT is connected with the common ground end through a capacitor C14, and the voltage output end VOUT and the common ground end are connected in parallel through a capacitor + C13;

the intermediate relay 13 comprises J1 and J2, J1 comprises a power supply positive pole P + and a power supply negative pole P-, J2 comprises a power supply positive pole P + and a power supply negative pole P-;

the micro-control unit 14 comprises an integrated chip U2, LED nixie tube pins SEG 13-SEG 0 are connected to the left end and the top end of the integrated chip U2, grounding points COM 0-COM 5 are connected to the right side and the top of the integrated chip U2, and a zero calibration IBP, a digital chip IBN, a change-over switch IAN, a change-over switch IAP, a temperature UP, a reference voltage REF, a grounding line GND, a digital circuit VDD5, a voltage regulator LDO3, a positive digital power supply voltage DVCC and a diode VDCN are sequentially connected to the bottom of the integrated chip U2 from right to left.

When using, outwards stimulate through arm-tie 2, arm-tie 2 drives kelly 8 and removes in recess 7 is inside, make spring 5 take place to deform through the removal of kelly 8, wrap up waterproof board 3 at the top of display screen 6 afterwards, aim at the position with kelly 8 and slot 4, loosen arm-tie 2, inside spring 5 resumes to make kelly 8 insert slot 4 under deformation, can install waterproof board 3, prevent external water source and 6 direct contact of display screen through waterproof board 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

WIFI intelligence electric energy meter, including shell (1), its characterized in that: the waterproof board (3) is installed at the top of the shell (1), slots (4) are formed in the tops of the two sides of the shell (1), grooves (7) are formed in an inner cavity of the waterproof board (3), clamping rods (8) penetrate through inner cavities of the grooves (7), springs (5) are sleeved on the surfaces of the clamping rods (8), the outer sides of the clamping rods (8) penetrate through the outer sides of the waterproof board (3) and are fixedly connected with pull plates (2), the inner sides of the clamping rods (8) penetrate through the inner sides of the waterproof board (3) and extend to the inner cavities of the slots (4), a box body (12) is installed at the bottom of the inner wall of the shell (1), a WIFI module (10), a micro-control unit (14), a control panel (11) and an intermediate relay (13) are sequentially installed on the inner cavity of the shell (1) from top to bottom, a display screen (6) is installed on the left side of the, an indicator lamp (9) is installed on the right side of the top of the WIFI module (10);

the WIFI module (10) comprises an integrated chip U3, one end of an integrated chip U3 is connected with a receiving data 485RXD, the other end of the integrated chip U3 is connected with a sending data 485TXD, one end of the integrated chip U3 is connected with a wireless interface WIFILINK, the other end of the integrated chip U3 is connected with a pin NRELOAD, one end of an integrated chip U3 is connected with a power supply +3.3V, and the other end of the integrated chip U3 is connected with a common grounding end;

the control panel (11) comprises an integrated chip U1, the integrated chip U1 comprises a voltage input end VIN, a voltage output end VOUT and a common grounding end, one end of the integrated chip U1 is connected with a power supply 12V, the other end of the integrated chip U1 is connected with a digital circuit VDD5, the voltage input end VIN is connected with the common grounding end through a capacitor C12, one end of the voltage output end VOUT is connected with the common grounding end through a capacitor C14, and the voltage output end VOUT and the common grounding end are connected in parallel through a capacitor + C13;

the intermediate relay (13) comprises J1 and J2, J1 comprises a power supply positive pole P + and a power supply negative pole P-, and J2 comprises a power supply positive pole P + and a power supply negative pole P-;

the micro-control unit (14) comprises an integrated chip U2, LED nixie tube pins SEG 13-SEG 0 are connected to the left end and the top end of the integrated chip U2, grounding points COM 0-COM 5 are connected to the right side and the top of the integrated chip U2, and a zero calibration IBP, a digital chip IBN, a change-over switch IAN, a change-over switch IAP, a temperature UP, a reference voltage REF, a grounding line GND, a digital circuit VDD5, a voltage stabilizer LDO3, a positive digital power supply voltage DVCC and a diode VDCN are sequentially connected to the bottom of the integrated chip U2 from right to left.
2. The WIFI intelligent electric energy meter according to claim 1, wherein: the outer side of the spring (5) is fixedly connected with the inner wall of the groove (7), and the inner cavity of the spring (5) is connected with the surface of the clamping rod (8) in a sliding mode.
3. The WIFI intelligent electric energy meter according to claim 1, wherein: the top of display screen (6) runs through to the top of shell (1), waterproof board (3) are located the top of display screen (6).
4. The WIFI intelligent electric energy meter according to claim 1, wherein: the top of pilot lamp (9) runs through to the top of shell (1), pilot lamp (9) normal work is the green light, and abnormal work is the red light.