CN217360027U - Multifunctional three-phase electric energy meter connector - Google Patents
Multifunctional three-phase electric energy meter connector Download PDFInfo
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- CN217360027U CN217360027U CN202220511055.9U CN202220511055U CN217360027U CN 217360027 U CN217360027 U CN 217360027U CN 202220511055 U CN202220511055 U CN 202220511055U CN 217360027 U CN217360027 U CN 217360027U
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Abstract
The utility model relates to a connector for fast installation of an electric energy meter, in particular to a multifunctional three-phase electric energy meter connector, wherein a base is connected with an electric meter box, one side of the connector is fixedly connected with an alarm circuit board cover plate, the connector fixedly connected with an alarm circuit board is installed on the base, the other side opposite to the connector is provided with the connector cover plate, the alarm circuit board is accommodated in a space enclosed by the alarm circuit board cover plate and the connector, the alarm circuit board is respectively provided with an alarm circuit board switch and an indicator lamp, the alarm circuit board is connected with the connector metal connectors through the plugging pieces, and an external power line supplies power to the alarm circuit board through the connector metal connectors. The utility model discloses at the in-process of quick uninterrupted power supply changing table, can provide the reputation and remind, the warning is changed table safe in utilization.
Description
Technical Field
The utility model relates to a connector, specifically speaking are multi-functional three-phase electric energy meter connector that are used for the quick installation of electric energy meter.
Background
The electric energy meter is a necessity for people in daily work and life. The existing electric energy meters have various specifications, the sizes of the electric energy meters with various specifications are different, and higher requirements are provided in the aspects of quick installation, uninterrupted meter replacement and safe use.
SUMMERY OF THE UTILITY MODEL
In order to satisfy the demand that the electric energy meter was installed fast, was not cut off power supply and was traded meter, safe in utilization, the utility model aims to provide a multi-functional three-phase electric energy meter connector. This three-phase electric energy meter connector is at the in-process of quick uninterrupted power supply changing table, can provide reputation and remind, warns and trades table safe in utilization.
The purpose of the utility model is realized through the following technical scheme:
the utility model comprises a base, an alarm circuit board cover plate, an alarm circuit board, a connector cover plate and a connector metal connector, wherein the base is connected with the electric meter box, one side of the connector is fixedly connected with an alarm circuit board cover plate, the connector fixedly connected with the alarm circuit board is arranged on the base, the other side of the connector opposite to the connector is provided with a connector cover plate, the alarm circuit board is accommodated in a space enclosed by the alarm circuit board cover plate and the connector, the alarm circuit board is respectively provided with an alarm circuit board switch, an alarm device and a plug-in piece, the touch end of the alarm circuit board switch extends out of the plug-in piece, the connector is provided with connector metal connectors which are the same with the wiring holes of the electric energy meter in number and correspond to the wiring holes of the electric energy meter one by one, the alarm circuit board is connected with the connector metal connector through the inserting piece, and an external power line supplies power to the alarm circuit board through the connector metal connector; when the electric energy meter is inserted into the metal head of the connector, the touch end of the alarm circuit board switch is touched, and the alarm device is in a closed state; the electric energy meter is separated from a touch end of the alarm circuit board switch when being pulled out, and the alarm device sends alarm information.
Wherein: the utility model discloses a connector, including base, socket, connector installation bottom hole, non-standard single epitope and four epitope ammeter casees, the base is last to be seted up respectively with standard single epitope and four epitope ammeter casees, the base installation via hole of being connected of non-standard single epitope and four epitope ammeter casees, still set up on the base and be used for the connector installation bottom hole be connected with the connector and be used for the electric energy meter installation bottom hole be connected with the electric energy meter, be equipped with the dop that is used for with the electric energy meter smooth grafting on the base.
The alarm circuit board comprises an alarm circuit, the alarm circuit comprises a switch circuit, a half-wave rectifying circuit and an alternating current-to-direct current circuit which are sequentially connected between 220V voltage and a ground wire GND, the alarm device comprises an indicator lamp and a voice circuit, and the alternating current-to-direct current circuit is further connected with the voice circuit.
The switch circuit comprises an alarm circuit board switch and a fusing fuse F1 which are connected in sequence.
The half-wave rectifying circuit comprises a rectifying diode D1 and a capacitor C1, the input end of the rectifying diode D1 is connected with a fusing fuse F1, the output end of the rectifying diode D1 is connected with one end of a capacitor C1, and the other end of the capacitor C1 is connected with a ground wire GND.
The AC-DC conversion circuit comprises an input end Vin of an AC/DC chip U1 connected with an output end of a rectifier diode D1; the GND end of the AC/DC chip is connected with a ground wire GND through a resistor R1 and a backward diode D2;
an output end Vout of the AC/DC chip U1 outputs +5V direct current power after passing through a rectifier diode D3, and the +5V direct current power is connected in parallel with a power inductor L1 through a current-limiting resistor R3 and is connected between a resistor R1 and a reverse diode D2; the output end Vout of the AC/DC chip U1 is connected between the resistor R1 and the backward diode D2 through a capacitor C2; a lead is led out between the resistor R1 and the backward diode D2 and is connected with a ground wire GND after passing through the indicator light; the +5V direct-current power supply is also grounded through a resistor R2 and a capacitor C3; the +5V direct current power supply is also connected with a voice circuit.
The voice circuit comprises a voice chip U2 and a loudspeaker, wherein two pins of the loudspeaker are respectively connected with a PWM1 pin and a PWM2 pin of the voice chip U2, a VDD pin of the voice chip U2 is connected with a +5V direct-current power supply, a GND pin is grounded, and a filter capacitor C4 is connected between the VDD pin of the voice chip U2 and the GND pin.
One side of connector is equipped with warning circuit board switch groove and connector metallic connector mounting hole of stepping down, the touching end of warning circuit board switch is stretched out by warning circuit board switch groove of stepping down, the opposite side of connector be equipped with among the alarm device speaker correspond the speaker hole and with power business turn over line via hole, offer respectively on the roof of connector be used for with the base continuous connector installation via hole, be arranged in the connector apron installation bottom outlet that links to each other with the connector apron, with the alarm device in the pilot lamp hole that the pilot lamp corresponds and be used for the power business turn over line housing screw via hole with external power source line and the fastening of connector metallic connector.
The number of the connector metal connectors is seven, and the connector metal connectors are respectively a zero line connector lug, three live wire inlet connector lugs and three live wire outlet connector lugs, a connector piece hole A is arranged in a power supply inlet and outlet wire compression screw through hole corresponding to the zero line connector lug, and a connector piece hole B is arranged in a power supply inlet and outlet wire compression screw through hole corresponding to any one live wire inlet connector; the alarm circuit board is provided with a plug-in sheet A and a plug-in sheet B respectively, and the plug-in sheet A and the plug-in sheet B are respectively plugged with the plug-in sheet hole A and the plug-in sheet hole B.
One side of the connector metal connector is connected with the wiring hole of the electric energy meter in an inserting mode, the other side of the connector metal connector is provided with a power inlet and outlet wire bottom hole, and the top of the connector metal connector is provided with a power inlet and outlet wire compression screw bottom hole used for fastening an external power line and the connector metal connector.
The utility model discloses an advantage does with positive effect:
1. the utility model discloses a when brand-new design base is connected with the ammeter case, it is more convenient fast to it is more sturdy and durable.
2. The utility model discloses a contact with the warning circuit board switch when the electric energy meter is installed and removed to warning circuit board accessible leaves and realizes accurate reputation warning, safe operation.
3. The utility model discloses a quick accurate dismouting of electric energy meter can be realized to dop on connector metallic interconnect head and the base.
4. The utility model discloses an alarm circuit board for when causing the terminal to expose when the electric energy meter removes the potential safety hazard appearing on the surface, effectual suggestion and warning effect can realize the audio alert of mandarin, local dialect.
5. When the ammeter box is installed on the normally closed travel switch SW1, the normally closed travel switch SW1 is pressed to be disconnected, so that the circuit is not switched on, when the ammeter box is moved, the normally closed travel switch SW1 is recovered to be in a normally closed state, the circuit is switched on, the indicating lamp is turned on, meanwhile, voice broadcasting is conducted, and surrounding personnel are prompted to have potential safety hazards, and non-safety electricity utilization is avoided.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a front view of the base of the present invention;
FIG. 4 is a top view of the alarm circuit board cover plate of the present invention;
fig. 5 is a schematic structural diagram of the alarm circuit board of the present invention;
FIG. 6A is a front view of the connector of the present invention;
FIG. 6B is a top view of the connector assembly of the present invention;
FIG. 6C is a rear view of the connector assembly of the present invention;
FIG. 7A is a front view of the metal connector of the present invention;
FIG. 7B is a top view of the metal connector of the present invention;
FIG. 8 is a top view of the connector cover plate according to the present invention;
fig. 9 is a circuit structure diagram of the alarm circuit board of the present invention;
FIG. 10 is a schematic diagram of the circuit connection relationship of the alarm circuit board of the present invention;
wherein: 1 is a base, 2 is an alarm circuit board cover plate, 3 is an alarm circuit board, 4 is a connector, 5 is a connector cover plate, 6 is a connector metal connector, 7 is a clamping head, 8 is a base mounting via hole A, 9 is a base mounting via hole B, 10 is a base mounting via hole C, 11 is an electric energy meter mounting bottom hole A, 12 is an electric energy meter mounting bottom hole B, 13 is a base mounting via hole D, 14 is a base mounting via hole E, 15 is a base mounting via hole F, 16 is a connector mounting bottom hole A, 17 is a connector mounting bottom hole B, 19 is a speaker hole, 20 is a connector mounting via hole A, 21 is a connector mounting via hole B, 22 is a connector cover plate mounting bottom hole A, 23 is a connector cover plate mounting bottom hole B, 24 is an indicator light hole, 25 is an alarm circuit board switch abdicating groove, 26 is an alarm circuit board switch, 27 is an indicator light, 28 is a speaker, 29 is a patch A, 30 is a connector piece B, 31 is a connector cover plate mounting through hole A, 32 is a connector cover plate mounting through hole B, 33 is a connector piece hole A, 34 is a connector piece hole B, 35 is a switch circuit, 36 is a half-wave rectifying circuit, 37 is an alternating current-direct current circuit, 38 is a voice circuit, a is a connector metal connector mounting hole, B is a power supply inlet and outlet wire compression screw through hole, c is a power supply inlet and outlet wire through hole, d is a power supply inlet and outlet wire bottom hole, and e is a power supply inlet and outlet wire compression screw bottom hole.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-8, the utility model discloses a base 1, alarm circuit board apron 2, alarm circuit board 3, connector 4, connector apron 5 and connector metal connector 6, wherein base 1 is connected with the ammeter case, one side rigid coupling of connector 4 has alarm circuit board apron 2, and connector 4 that the rigid coupling has alarm circuit board 2 installs on base 1, connector apron 5 is installed to the opposite side that connector 4 is relative, alarm circuit board 3 holding is in the space that alarm circuit board apron 2 and connector 4 enclose, be equipped with alarm circuit board switch 26 on the alarm circuit board 3 respectively, alarm device and insert the patch, alarm device includes pilot lamp 27 and speech circuit 38, speech circuit 38 includes pronunciation chip U2, speaker 28. The touch end of the alarm circuit board switch 26 extends out of the connector 4, connector metal connectors 6 which are the same in number and correspond to the wiring holes of the electric energy meter one by one are mounted on the connector 4, the alarm circuit board 3 is connected with the connector metal connectors 6 through the plugging sheets, and an external power line supplies power for the alarm circuit board 3 through the connector metal connectors 6.
Base installation via holes connected with standard single-epitope and four-epitope ammeter boxes, non-standard single-epitope and four-epitope ammeter boxes are respectively arranged on the base 1 of the embodiment, a connector installation bottom hole connected with a connector 4 and an electric energy meter installation bottom hole connected with the electric energy meter are also arranged on the base 1, and a clamping head 7 used for sliding and inserting with the electric energy meter is arranged on the base 1. The base 1 of this embodiment has been seted up base installation via hole A8 and base installation via hole F15 that set up from top to bottom at the middle part, can be connected with standard single epitope and four epitope ammeter casees through base installation via hole A8 and base installation via hole F15 with the screw. Base mounting via holes B9, base mounting via holes C10, base mounting via holes D13 and base mounting via holes E14 have been seted up at four angles of base 1, can be connected with nonstandard single epitope and four epitope ammeter casees with the screw. The chuck 7 is positioned below the base mounting through hole A8; the two sides below the base mounting through hole F15 are provided with a connector mounting bottom hole A16 and a connector mounting bottom hole B17; an electric energy meter mounting bottom hole A11 is formed below the base mounting through hole D13, and an electric energy meter mounting bottom hole B12 is formed below the base mounting through hole E12.
The alarm circuit board cover plate 2 of the embodiment is provided with two through holes which respectively correspond to the connector mounting bottom hole A16 and the connector mounting bottom hole B17; the alarm circuit board cover plate 2 and the bottom of the connector 4 are subjected to ultrasonic hot melting, and the encapsulation and shielding of the alarm circuit board 3 are realized.
In the embodiment, the number of the connector metal connectors 6 is seven, and the seven connector metal connectors 6 are respectively a zero line connector lug, three live wire inlet connector lugs and three live wire outlet connector lugs; one side of each connector metal connector 6 is spliced with the wiring hole of the electric energy meter, the other side of each connector metal connector is provided with a power supply inlet and outlet wire bottom hole d, and the top of each connector metal connector 6 is provided with a power supply inlet and outlet wire compression screw bottom hole e for fastening an external power supply wire with the connector metal connector 6; the tops of the three live wire inlet and outlet connector heads are respectively provided with two power supply inlet and outlet compression screw bottom holes e, and the other sides of the three live wire inlet and outlet connector heads are respectively provided with one power supply inlet and outlet bottom hole d; four power supply inlet and outlet wire compression screw bottom holes e are formed in the top of the part connector lug, and two power supply inlet and outlet wire bottom holes d are formed in the other side of the part connector lug.
In this embodiment, one side of the connector 4 is provided with an alarm circuit board switch abdicating groove 25 and connector metal connector mounting holes a, two connector metal connector mounting holes a corresponding to the zero line connector lug are provided, one connector metal connector mounting hole a corresponding to each of the three live line inlet connector lugs and the three live line outlet connector lugs is provided, and the touch end of the alarm circuit board switch 26 extends out of the alarm circuit board switch abdicating groove 25; the opposite side of connector 4 is equipped with the speaker hole 19 that corresponds with speaker 28 and the same with connector metal connector mounting hole a quantity, the power business turn over line via hole c of one-to-one correspondence, the connector installation via hole that is used for linking to each other with base 1 has been seted up respectively on the roof of connector 4, be used for the connector apron installation bottom hole that links to each other with connector apron 5, the power business turn over line gland screw via hole b that is used for with external power line and connector metal connector 6 fastening that corresponds with pilot lamp 27 corresponding indicator lamp hole 24 and is used for, two of power business turn over line gland screw via hole b are a set of, the power business turn over line gland screw via hole b that corresponds zero line connector is two sets of, four, the power business turn over line gland screw via hole b that corresponds three live wire business turn over connector, three live wire business turn over connector each is a set of. Seven connector metal connectors 6 of this embodiment are inserted by corresponding connector metal connector mounting hole a respectively, and then are connected with power business turn over line housing screw bottom hole e on connector metal connector 6 through power business turn over line housing screw via hole b with the inlet wire housing screw respectively, link to each other external power line and connector metal connector 6. The alarm circuit board 3 and the connector 4 install the loudspeaker 28 in the loudspeaker hole 19 through the positioning hole and the fixing clamping groove, install the indicator lamp 27 in the indicator lamp hole 24, and install the alarm circuit board switch 26 in place through the alarm circuit board switch abdicating groove 25. In the embodiment, the two sides of the top plate of the connector 4 are provided with a connector cover plate mounting bottom hole A22 and a connector cover plate mounting bottom hole B23, a connector mounting through hole A20 and a connector mounting through hole B21 are arranged between the two sides, and the connector 4 is fixedly connected with the base 1 through a screw passing through the connector mounting through hole A20 and the connector mounting bottom hole A16 and a screw passing through the connector mounting through hole B21 and the connector mounting bottom hole B17. Indicator light aperture 24 is located between connector mounting via a20 and connector mounting via B21. A patch panel hole A33 is arranged in one of the power supply inlet and outlet wire compression screw through holes B corresponding to the zero wire connector lug, and a patch panel hole B34 is arranged in one of the power supply inlet and outlet wire compression screw through holes B corresponding to any one of the live wire inlet connectors; the alarm circuit board 3 is respectively provided with a plug sheet A29 and a plug sheet B30, and the plug sheet A29 and the plug sheet B30 are respectively inserted into the plug sheet hole A33 and the plug sheet hole B34.
The connector cover plate 5 of the present embodiment is provided with a connector cover plate mounting via a31 and a connector cover plate mounting via B32 for connecting with the connector 4, and the connector cover plate 5 and the connector 4 are fixedly connected by screws passing through the connector cover plate mounting via a31 and the connector cover plate mounting bottom hole a22 and screws passing through the connector cover plate mounting via B32 and the connector cover plate mounting bottom hole B23.
As shown in fig. 9 and 10, a circuit structure diagram and a schematic diagram of a circuit connection relationship of the alarm circuit board 3 of the present invention are shown. The connection relation in the figure comprises: the switch circuit 35, the half-wave rectifying circuit 36 and the AC-DC converting circuit 37 are sequentially connected between the 220V voltage and the ground GND, and the AC-DC converting circuit 37 is also connected with the voice circuit 38.
The switch circuit 35 includes an alarm circuit board switch 26 (i.e., a normally closed travel switch SW1) and a blown fuse F1 connected in sequence. When the electric energy meter is plugged with the metal connector 6 of the connector, the electric energy meter touches the touch end of the normally closed travel switch SW1, the normally closed travel switch SW1 is pressed to be disconnected, so that the circuit is not switched on, and the indicator light 27 and the loudspeaker 28 are in a closed state; when the electric meter box is moved, because no pressure exists on the normally closed travel switch SW1, the normally closed travel switch SW1 returns to the normally closed state, the circuit is switched on, the indicator lamp 27 is lightened, and the loudspeaker 28 broadcasts a prompt in a voice mode.
The half-wave rectifier circuit 36 includes: rectifier diode D1, electric capacity C1, rectifier diode D1 input end connect fusing fuse F1, rectifier diode D1 output end connect electric capacity C1's one end, the other end of electric capacity C1 connects ground GND.
The ac-dc converting circuit 37 includes: the input end Vin of the AC/DC chip is connected with the output end of the rectifier diode D1; the GND end of the AC/DC chip is connected with a ground wire GND through a resistor R1 and a backward diode D2; an output end Vout of the AC/DC chip outputs a +5V direct-current power supply after passing through a rectifier diode D3, and the +5V direct-current power supply is connected in parallel through a current-limiting resistor R3 and a power inductor L1 and then is connected between a resistor R1 and a reverse diode D2; the output end Vout of the AC/DC chip is connected between the resistor R1 and the inverse diode D2 through a capacitor C2; a lead is led out between the resistor R1 and the backward diode D2 and is connected with a ground wire GND after passing through the indicator light RED 1; the +5V direct-current power supply is also grounded through a resistor R2 and a capacitor C3; the +5V dc power supply is also connected to the voice circuit 38.
The voice circuit 38 comprises a voice chip U2 and a speaker 28 (i.e. P3 in the figure), two pins of the speaker P3 are respectively connected with a PWM1 pin and a PWM2 pin of the voice chip U2, a VDD pin of the voice chip U2 is connected with a +5V dc power supply, a GND pin is grounded, and a filter capacitor C4 is connected between the VDD pin of the voice chip U2 and the GND pin.
The capacitor C1 is an electrolytic capacitor, the capacitor C2 is a patch capacitor, the model of the U1 chip is TT119, the model of the voice broadcast chip U2 is NY3M016AE8, and the voice integrated storage chip can store 16 seconds or an expanded programmable control chip. The resistor R2 is a constant voltage resistor. Indicator light RED1 (i.e., indicator light 27) is an LED indicator light, RED or white or other colored indicator light source. The capacitor C3 is a voltage stabilizing filter capacitor. The capacitor C4 is a high frequency filter capacitor.
The seven connector metal terminals 6 of this embodiment are a zero line terminal, three live wires enter the terminal, three live wires exit the terminal respectively, all connect the ammeter. Any one of the live wire outgoing connector lug and the zero wire connector lug is also respectively connected with an L phase and an N phase in a circuit schematic diagram.
The utility model discloses a theory of operation does:
the electric energy meter is inserted in place with the clamping head 7 and the connector metal connector 6 in a sliding way. Seven connector metal connectors 6 and electric energy meter wiring holes are on the same axis, the electric energy meter hold-down screws are connected with the electric energy meter mounting bottom hole A11 and the electric energy meter mounting bottom hole B12 on the base 1 through the electric energy meter mounting holes, the connector metal connectors 6 are tightly pressed through the electric energy meter hold-down screws, and the electric energy meter mounting is achieved.
An external power line enters a power line inlet and outlet bottom hole d on the connector metal connector 6 through a power line inlet and outlet through hole c on the connector 4, and an inlet line compression screw penetrates through a power line inlet and outlet compression screw through hole b on the connector 4 and then is connected with a power line inlet and outlet compression screw bottom hole e on the connector metal connector 6 to fasten the external power line; the external power line realizes the power supply of the alarm circuit board 3 through the connector metal connector 6, the patch sheet A29 and the patch sheet B30. When the electric energy meter is in place in sliding connection with the clamping head 7 and the connector metal connector 6, the alarm circuit board switch 26 is pressed at the bottom of the electric energy meter to realize voice warning broadcasting and light closing of the indicator lamp 27. When the electric energy meter is smoothly pulled out, the bottom of the electric energy meter is separated from the alarm circuit board switch 26 and stops pressing, the alarm device sends alarm information, namely, the indicator lamp 27 is lightened, and the loudspeaker 28 sends out voice warning broadcast.
The working principle of the circuit is as follows:
when AC220V is input, because the normally closed travel switch SW1 (the alarm circuit board switch 26) is long closed, 7 pins and 8 pins of the voice IC chip U2 output PWM signals to drive the loudspeaker P3 (the loudspeaker 28), the loudspeaker P3 starts to give a sound early warning, because the input AC220V passes through the normally closed travel switch SW1 and then reaches the fuse F1, when the rear end short-circuit current exceeds 500mA, the fuse F1 is blown, the AC220V passes through the fuse F1 and the rectifier diode D1 to form a half-wave rectification circuit with the electrolytic capacitor C1, then the half-wave rectification circuit is input to the AC-to-DC IC chip U1, when the output voltage of the AC-to-DC IC chip U1 is sensed by the output pin Vout, when the electrical resistance of the power inductor L1 reaches the design value, the interior of the AC-to-DC IC chip U1 is turned off, the resistor R2 and the patch capacitor C2 form power consumption Rcs, the 220V N is GND reference, then the MOS 2 is recovered, then the current is connected with a GND pin of an AC-DC IC chip U1 through a current-limiting resistor R1, the output of Vout of the AC-DC IC chip U1 is connected to a rectifying diode D3 and then is 5V voltage, then the 5V voltage reaches the anode of the indicator lamp 27 through the current-limiting resistor R3 to realize that the indicator lamp RED1 is lightened, a resistor R2 is a constant-voltage resistor, a capacitor C3 is a voltage-stabilizing filter capacitor, a capacitor C4 is a high-frequency filter capacitor, and the voltage-stabilizing filter capacitor C3, the high-frequency filter capacitor C4 performs voltage-stabilizing filtering and high-frequency filtering to reach a 6 th pin of a voice broadcasting chip U2, at the moment, the voice broadcasting chip U2 outputs a PWM signal, and the PWM drives a loudspeaker P3 to start to make a sound.
The main control mode is that normally closed power switch return power switch-on after the meter seat is putd aside to the electric energy meter, and constant voltage power supply work simultaneously gives LED and voice broadcast chip power supply, lights LED and often brightens at the meter in-process of puting aside, and voice broadcast is once or as the operation warning in succession simultaneously.
Claims (10)
1. The utility model provides a multi-functional three-phase electric energy meter connector which characterized in that: the alarm device comprises a base (1), an alarm circuit board cover plate (2), an alarm circuit board (3), a connector (4), a connector cover plate (5) and a connector metal connector (6), wherein the base (1) is connected with an electricity meter box, the alarm circuit board cover plate (2) is fixedly connected to one side of the connector (4), the connector (4) of the alarm circuit board cover plate (2) is fixedly connected to the other side of the connector (4), the connector cover plate (5) is mounted on the opposite side of the connector (4), the alarm circuit board (3) is accommodated in a space formed by the alarm circuit board cover plate (2) and the connector (4), an alarm circuit board switch (26), an alarm device and an inserting piece are respectively arranged on the alarm circuit board (3), the touch end of the alarm circuit board switch (26) extends out of the connector (4), and the connector (4) is provided with a plurality of connector holes which are the same as the number of the electric energy meter, The alarm circuit board comprises connector metal connectors (6) which correspond to one another, the alarm circuit board (3) is connected with the connector metal connectors (6) through inserting pieces, and an external power line supplies power to the alarm circuit board (3) through the connector metal connectors (6); when the electric energy meter is plugged with the metal connector (6) of the connector, the electric energy meter touches the touch end of the alarm circuit board switch (26), and the alarm device is in a closed state; when the electric energy meter is pulled out, the electric energy meter is separated from a touch end of a switch (26) of the alarm circuit board, and the alarm device sends out alarm information.
2. The multi-functional three-phase electric energy meter connector of claim 1, wherein: the utility model discloses a power meter, including base (1), be equipped with the connector installation bottom hole that is used for the connector installation bottom hole of being connected with connector (4) and is used for the electric energy meter installation bottom hole of being connected with the electric energy meter, be equipped with dop (7) that are used for with electric energy meter smooth grafting on base (1) respectively with standard single epitope and four epitope ammeter casees, nonstandard single epitope and four epitope ammeter case connections, still offer on base (1) and be used for the connector installation bottom hole of being connected with connector (4), be equipped with on base (1) and be used for with electric energy meter smooth grafting.
3. The multi-functional three-phase electric energy meter connector of claim 1, wherein: alarm circuit board (3) are including alarm circuit, alarm circuit switch circuit (35), half-wave rectifier circuit (36), interchange commentaries on classics direct current circuit (37) that connect gradually between 220V voltage and ground wire GND, alarm device includes pilot lamp (27) and voice circuit (38), interchange commentaries on classics direct current circuit (37) still connect voice circuit (38).
4. The multi-functional three-phase electric energy meter connector of claim 3, wherein: the switch circuit (35) comprises an alarm circuit board switch (26) and a fusing fuse F1 which are connected in sequence.
5. The multi-functional three-phase electric energy meter connector of claim 4, wherein: the half-wave rectifying circuit (36) comprises a rectifying diode D1 and a capacitor C1, wherein the input end of the rectifying diode D1 is connected with a fusing fuse F1, the output end of the rectifying diode D1 is connected with one end of a capacitor C1, and the other end of the capacitor C1 is connected with a ground wire GND.
6. The multi-functional three-phase electric energy meter connector of claim 5, wherein: the alternating current-to-direct current circuit (37) comprises an input end Vin of an AC/DC chip U1 connected with an output end of a rectifier diode D1; the GND end of the AC/DC chip is connected with a ground wire GND through a resistor R1 and a backward diode D2;
an output end Vout of the AC/DC chip U1 outputs +5V direct-current power after passing through a rectifier diode D3, and the +5V direct-current power is connected between a resistor R1 and a backward diode D2 after passing through a current-limiting resistor R3 and a power inductor L1 in parallel; the output end Vout of the AC/DC chip U1 is connected between the resistor R1 and the backward diode D2 through a capacitor C2; a lead is led out between the resistor R1 and the backward diode D2 and is connected with a ground wire GND after passing through the indicator lamp (27); the +5V direct-current power supply is also grounded through a resistor R2 and a capacitor C3; the +5V direct current power supply is also connected with a voice circuit (38).
7. The multi-functional three-phase electric energy meter connector of claim 6, wherein: the voice circuit (38) comprises a voice chip U2 and a loudspeaker (28), two pins of the loudspeaker (28) are respectively connected with a PWM1 pin and a PWM2 pin of the voice chip U2, a VDD pin of the voice chip U2 is connected with a +5V direct-current power supply, a GND pin is grounded, and a filter capacitor C4 is connected between the VDD pin and the GND pin of the voice chip U2.
8. The multi-functional three-phase electric energy meter connector of claim 1, wherein: one side of connector (4) is equipped with warning circuit board switch groove of stepping down (25) and connector metallic connector mounting hole (a), the touching end of warning circuit board switch (26) is stretched out by warning circuit board switch groove of stepping down (25), the opposite side of connector (4) is equipped with speaker hole (19) that correspond with speaker (28) among the alarm device and passes in and out line via hole (c) with the power, offer respectively on the roof of connector (4) and be arranged in the connector installation via hole that links to each other with base (1), be used for in the connector apron installation bottom hole that links to each other with connector apron (5) indicator lamp (27) correspond in indicator lamp hole (24) and be used for the power business turn over line housing screw via hole (b) with external power source line and connector metallic connector (6) fastening.
9. The multi-functional three-phase electric energy meter connector of claim 8, wherein: seven connector metal connectors (6) are respectively a zero line connector lug, three live wire inlet connector lugs and three live wire outlet connector lugs, a connector piece hole A (33) is arranged in a power inlet and outlet wire compression screw through hole (B) corresponding to the zero line connector lug, and a connector piece hole B (34) is arranged in a power inlet and outlet wire compression screw through hole (B) corresponding to any one live wire inlet connector; the alarm circuit board (3) is provided with a plug-in sheet A (29) and a plug-in sheet B (30) respectively, and the plug-in sheet A (29) and the plug-in sheet B (30) are respectively plugged with a plug-in sheet hole A (33) and a plug-in sheet hole B (34).
10. The multi-functional three-phase electric energy meter connector of claim 1, wherein: one side of connector metal joint (6) is pegged graft with electric energy meter wiring hole, the opposite side has seted up power business turn over line bottom outlet (d), power business turn over line housing screw bottom outlet (e) that are used for fastening external power source line and connector metal joint (6) are seted up at the top of connector metal joint (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220511055.9U CN217360027U (en) | 2022-03-10 | 2022-03-10 | Multifunctional three-phase electric energy meter connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220511055.9U CN217360027U (en) | 2022-03-10 | 2022-03-10 | Multifunctional three-phase electric energy meter connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217360027U true CN217360027U (en) | 2022-09-02 |
Family
ID=83050374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220511055.9U Active CN217360027U (en) | 2022-03-10 | 2022-03-10 | Multifunctional three-phase electric energy meter connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217360027U (en) |
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2022
- 2022-03-10 CN CN202220511055.9U patent/CN217360027U/en active Active
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