CN204832278U - Electronic type electric energy meter with anti -electricity -theft combined instrument transformer - Google Patents
Electronic type electric energy meter with anti -electricity -theft combined instrument transformer Download PDFInfo
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- CN204832278U CN204832278U CN201520432099.2U CN201520432099U CN204832278U CN 204832278 U CN204832278 U CN 204832278U CN 201520432099 U CN201520432099 U CN 201520432099U CN 204832278 U CN204832278 U CN 204832278U
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Abstract
The utility model discloses an electronic type electric energy meter with anti -electricity -theft combined instrument transformer, including the electric energy meter casing, the ramp box, metering device, parts such as anti -electricity -theft combined instrument transformer, anti -electricity -theft combined instrument transformer's horizontal the setting in the centre of its shunt with current transformer of voltage transformer, anti -electricity -theft combined instrument transformer's shunt and the vertical both sides limit that sets up at its voltage transformer of current transformer, mutual interference when magnetic field that shunt and voltage transformer and current transformer during operation produced or magnetic leakage have been avoided to this kind of structure, improve the precision of electronic type electric energy meter, the electric energy meter casing, the ramp box, metering device equipment as an organic whole and with anti -electricity -theft combined instrument transformer be assembled between/be connected between, the emergence of electric action can effectively prevent to steal.
Description
Technical field
The utility model relates to a kind of electric energy meter, is specifically related to a kind of electronic electric energy meter with Combined inductor for preventing electric bugular.
Background technology
Electric energy meter connects mutual inductor, and electric energy meter is measured the larger primary current of numerical value and is converted to the less secondary current of numerical value by certain proportion by mutual inductor, protection electric energy meter.Publication number is that the Chinese design patent of CN301611430S discloses a kind of Combined inductor for preventing electric bugular for electric energy meter, is shunt, current transformer, voltage transformer (VT), shell combination stationary structure.And publication number is the Chinese utility model patent of CN201910327U, disclose a kind of Combined inductor for preventing electric bugular, live wire and zero line are located in a voltage transformer (VT) coil simultaneously, voltage transformer (VT) coil is provided with voltage output end, when appearing at by the live wire in voltage transformer (VT) coil and neutral line current imbalance, voltage transformer (VT) coil produces induced voltage for electric energy meter, counting unit and computation chip normally can be worked, thus record current power consumption; Voltage transformer (VT) is set, has both stopped power stealing behavior, the normal gage work state of electric energy meter in improper electricity consumption situation can be ensured again.Publication number is also had to be the Chinese utility model patent of CN202513030U, the technical scheme basis of foregoing patent is improved, the bottom of housing is arranged through hole, in housing, a long tube is extended with by this through hole, live wire one end is through long tube and the other end is exposed to outside housing, and voltage transformer (VT) to be arranged in housing and to be set on long tube, the design of this structure, housing arranges special the wearing of live wire and send pipeline, simplify assembling process.In several patents of citation, each building block of mutual inductor all adopts multiply flexible cord to connect, and all sheathed fiberglass tubes outside multiply flexible cord, bending easily damage fiberglass tubes insulation course in production, transport, installation, debug process, thus do not reach requirement of withstand voltage, surge electric shock require standard, easily puncture insulation course.
Electronic electric energy meter is by shunt sampled signal or the current mutual inductor coil secondary current signal power consumption through computation chip and technique device metering user, some user transforms ammeter, destroy ammeter measuring apparatus, malice power stealing, tremendous economic is caused to lose to power supply enterprise, the normal supply order of very disruptive.
Given this, improve electric energy meter structure further and improve mutual inductor structure, simplifying the process that mutual inductor assembling and mutual inductor and electric energy meter are assembled, the generation of effective electricity theft prevention behavior.
In prior art, the mutual inductor of anti-stealing electric-combination formula structure there will be dry joint in multiply flexible cord connecting welding, rosin joint phenomenon.Adopt multiply flexible cord to connect, and all sheathed fiberglass tubes outside multiply flexible cord, producing, transport, install, the bending fiberglass tubes insulation course that easily damages in debug process, and do not reach requirement of withstand voltage, surge electric shock requires standard, easily punctures insulation course.The shunt of the Combined inductor for preventing electric bugular of the technical program, voltage transformer (VT), current transformer can be produced separately, avoid one of them components and parts bad and cause whole product rejection, thus reduce manufacturing cost.
This has the electronic electric energy meter of Combined inductor for preventing electric bugular, its measuring apparatus is built-in with ammeter metering units, ammeter metering units connects ammeter display screen by data line, the sample line of ramp box and current transformer, the sample line of voltage transformer (VT), this ammeter metering units is septuple Anti-fraudulent use of electricity electric meter module, there is the unexistent septuple anti-stealing electricity function of common Anti-fraudulent use of electricity electric meter: 1) RC powers, magnetic-field stealing, 2) current imbalance stealing, 3) anti-ammeter line reversal stealing, 4) measure without zero line stealing, 5) anti-channeling diode stealing, 6) anti-channeling resistance stealing, 7) anti-channeling electric capacity stealing.Device has the ammeter metering units of septuple anti-stealing electricity function, its technical indicator:
One, duty
1. working temperature (-20 degree ~ 70 degree)
2. operating voltage: 240V
3. working current: 10(40A)
4. frequency of operation: 50Hz
5. constant 3200imp/kwh
Two, electric energy meter liquid crystal display (roll display)
1. active energy
2. ammeter ID8 position
Three, electrical energy meter accuracy
1 normal condition ± 0.5%
2 stealing state ± 1%
In addition, also have that stealing LCD shows, 12.5% stealing LCD indicates, oppositely stealing LCD indicate, no-voltage 1 Ampere currents time still can work, show electricity, energising after power-off after the feature of ID and electricity roll display.
Utility model content
For the technical matters existed in prior art, the utility model provides a kind of electronic electric energy meter with Combined inductor for preventing electric bugular, comprise electric energy meter casing, ramp box, measuring apparatus, the parts such as Combined inductor for preventing electric bugular, the voltage transformer (VT) of Combined inductor for preventing electric bugular is horizontally installed on the centre of its shunt and current transformer, the shunt of Combined inductor for preventing electric bugular and current transformer are longitudinally arranged on the dual-side of its voltage transformer (VT), mutual interference when the magnetic field produced when such a configuration obviates shunt and voltage transformer (VT) and operation of current transformers or leakage field, improve the precision of electronic electric energy meter, electric energy meter casing, ramp box, measuring apparatus be assembled into one and with Combined inductor for preventing electric bugular assembly connection, can the generation of effective electricity theft prevention behavior.
To achieve these goals, the utility model adopts following technical scheme.
A kind of electronic electric energy meter with Combined inductor for preventing electric bugular, comprise electric energy meter casing, ramp box, measuring apparatus, Combined inductor for preventing electric bugular, electric energy meter casing top is provided with metering and display device, Combined inductor for preventing electric bugular comprises live wire, zero line, current transformer, voltage transformer (VT), shunt and housing, the voltage transformer (VT) of Combined inductor for preventing electric bugular is horizontally installed on the centre of its shunt and current transformer, the shunt of Combined inductor for preventing electric bugular and current transformer are longitudinally arranged on the dual-side of its voltage transformer (VT), electric energy meter casing, ramp box, measuring apparatus be assembled into one and with Combined inductor for preventing electric bugular assembly connection.
Preferably, the voltage transformer (VT) of described Combined inductor for preventing electric bugular has voltage transformer (VT) coil-end daughter board, this voltage transformer (VT) coil-end daughter board is bending forming, it is equipped with scallop I through the one end be connected with current transformer after voltage transformer (VT) coil, and its other end is equipped with circular port I.
In above-mentioned arbitrary technical scheme preferably, the current transformer of described Combined inductor for preventing electric bugular has current mutual inductor coil terminal strip, this current mutual inductor coil terminal strip is bending forming, it is equipped with scallop II through the one end be connected with voltage transformer (VT) after current mutual inductor coil, and its other end is equipped with circular port II.
In above-mentioned arbitrary technical scheme preferably, the scallop I on described voltage transformer (VT) coil-end daughter board and the scallop II one_to_one corresponding on current mutual inductor coil terminal strip.
In above-mentioned arbitrary technical scheme preferably, the circular port I on described voltage transformer (VT) coil-end daughter board and the circular port II on current mutual inductor coil terminal strip and the connection terminal connecting hole one_to_one corresponding in ramp box.
In above-mentioned arbitrary technical scheme preferably, voltage transformer (VT) coil-end daughter board is through the coil of voltage transformer (VT), and current mutual inductor coil terminal strip is through the coil of current transformer; Voltage transformer (VT) coil-end daughter board has one end that one end of scallop I and current mutual inductor coil terminal strip have a scallop II and laminates up and down and adopt red copper blind rivet riveting.
In above-mentioned arbitrary technical scheme preferably, the voltage transformer (VT) of described Combined inductor for preventing electric bugular adopts copper plate to be connected with shunt.
In above-mentioned arbitrary technical scheme preferably, described copper plate is bending forming, and its panel wall portion through the coil of voltage transformer (VT) is equipped with a heat-shrink tube.
In above-mentioned arbitrary technical scheme preferably, described copper plate is equipped with scallop III through one end of voltage transformer (VT) coil, and its other end is equipped with circular port III.
In above-mentioned arbitrary technical scheme preferably, the scallop IV one_to_one corresponding that the scallop III on described copper plate and shunt terminal strip are provided with.
In above-mentioned arbitrary technical scheme preferably, the connection terminal connecting hole one_to_one corresponding in the circular port IV that the circular port III on described copper plate and shunt terminal strip are provided with and ramp box.
In above-mentioned arbitrary technical scheme preferably, copper plate is through the coil of voltage transformer (VT), and copper plate has one end that one end of scallop III and shunt terminal strip be provided with scallop IV and laminates up and down and adopt red copper blind rivet riveting.
In above-mentioned arbitrary technical scheme preferably, the circular port IV on the circular port III of the circular port II of the circular port I of voltage transformer (VT) coil-end daughter board one end, current mutual inductor coil terminal strip one end, copper plate one end, shunt terminal strip and ramp box middle connecting terminal connecting hole one_to_one corresponding.
In above-mentioned arbitrary technical scheme preferably, be provided with bottom described ramp box and connect the live wire of user load and zero line terminals, be also provided with live wire and zero line terminals that electrical network enters.
In above-mentioned arbitrary technical scheme preferably, described measuring apparatus is built-in with ammeter metering units, and described ammeter metering units connects the display screen of electric energy meter, ramp box and the sample line of current transformer, the sample line of voltage transformer (VT) by data line.
In above-mentioned arbitrary technical scheme preferably, the display screen of electric energy meter comprises LED light and lcd screen, and LED light and lcd screen are arranged in metering and display device.
In above-mentioned arbitrary technical scheme preferably, described ammeter metering units comprises MCU microcontroller, E2P storage chip able to programme, transfer to E2P storage chip able to programme after the current sampling signal that collection receives by MCU microcontroller, voltage sampling signal, power transformer signal transacting store and exchange data with it, power information and ammeter measurement data are shown by lcd screen, and stealing indicator signal and pulse indicator signal are shown by LED light.
The electronic electric energy meter with Combined inductor for preventing electric bugular of the present utility model, comprise electric energy meter casing, ramp box, measuring apparatus, Combined inductor for preventing electric bugular, electric energy meter casing top is provided with metering and display device, and Combined inductor for preventing electric bugular comprises live wire, zero line, current transformer, voltage transformer (VT), shunt and housing; Voltage transformer (VT) coil-end daughter board summation current transformer coil terminals is bending and molding, voltage transformer (VT) coil-end daughter board is equipped with scallop I through the one end be connected with current transformer after voltage transformer (VT) coil and the other end is equipped with circular port I, and current mutual inductor coil terminal strip is equipped with scallop II through the one end be connected with voltage transformer (VT) after current mutual inductor coil and the other end is equipped with circular port II; Adopt the copper plate of a bending forming for the connection of voltage transformer (VT) and shunt, copper plate is equipped with a heat-shrink tube through the panel wall portion of coil of voltage transformer (VT), and copper plate is equipped with scallop III through one end of voltage transformer (VT) coil and the other end is equipped with circular port III; Circular port IV on the circular port III of the circular port I of voltage transformer (VT) coil-end daughter board one end, the circular port II of current mutual inductor coil terminal strip one end, copper plate one end, shunt terminal strip and ramp box middle connecting terminal connecting hole one_to_one corresponding.Voltage transformer (VT) coil-end daughter board is through the coil of voltage transformer (VT), current mutual inductor coil terminal strip is through the coil of current transformer, and voltage transformer (VT) coil-end daughter board has one end that one end of scallop I and current mutual inductor coil terminal strip have a scallop II and laminates up and down and adopt red copper blind rivet riveting; Copper plate is through the coil of voltage transformer (VT), and copper plate has one end that one end of scallop III and shunt terminal strip be provided with scallop IV and laminates up and down and adopt red copper blind rivet riveting.
The electronic electric energy meter with Combined inductor for preventing electric bugular of the present utility model, the voltage transformer (VT) of Combined inductor for preventing electric bugular is horizontally installed on the centre of its shunt and current transformer, the shunt of Combined inductor for preventing electric bugular and current transformer are longitudinally arranged on the dual-side of its voltage transformer (VT), mutual interference when the magnetic field produced when avoiding shunt and voltage transformer (VT) and operation of current transformers or leakage field, improves the precision of electronic electric energy meter.Be provided with bottom ramp box and connect the live wire and zero line terminals that the live wire of user load and zero line terminals and electrical network enter, measuring apparatus is built-in with ammeter metering units, and ammeter metering units connects the display screen of electric energy meter, ramp box and the sample line of current transformer, the sample line of voltage transformer (VT) by data line; The display screen of electric energy meter comprises LED light and lcd screen, and LED light and lcd screen are arranged in metering and display device; Ammeter metering units comprises MCU microcontroller, E2P storage chip able to programme, transfer to E2P storage chip able to programme after the current sampling signal that collection receives by MCU microcontroller, voltage sampling signal, power transformer signal transacting store and exchange data with it, power information and ammeter measurement data are shown by lcd screen, and stealing indicator signal and pulse indicator signal are shown by LED light.
The electronic electric energy meter with Combined inductor for preventing electric bugular of the present utility model, electric energy meter casing, ramp box, measuring apparatus be assembled into one and with Combined inductor for preventing electric bugular assembly connection, by improving electric energy meter structure and improving mutual inductor structure, simplify the process that mutual inductor assembling and mutual inductor and electric energy meter assemble, can the generation of effective electricity theft prevention behavior.On copper plate, two scallops overlap, the Hard link of being riveted by red copper blind rivet, make it location correct, reduce contact resistance and overall power while cheap installation.The shunt of Combined inductor for preventing electric bugular, voltage transformer (VT), current transformer can be produced separately, cause whole product rejection to avoid one of them components and parts bad, thus reduce manufacturing cost.The ammeter metering units adopted has septuple anti-stealing electricity function: 1) RC powers, magnetic-field stealing, 2) current imbalance stealing, 3) anti-ammeter line reversal stealing, 4) without zero line stealing metering, 5) stealing of anti-channeling diode, 6) anti-channeling resistance stealing, 7) stealing of anti-channeling electric capacity.The ammeter metering units with septuple anti-stealing electricity function has that stealing LCD shows, 12.5% stealing LCD indicates, oppositely stealing LCD indicate, no-voltage 1 Ampere currents time still can work, show electricity, energising after power-off after the feature of ID and electricity roll display.
Accompanying drawing explanation
Fig. 1 is according to the one-piece construction schematic diagram with a preferred embodiment of the electronic electric energy meter of Combined inductor for preventing electric bugular of the present utility model;
Fig. 2 to Fig. 7 is according to the assembling process schematic diagram with the Combined inductor for preventing electric bugular of a preferred embodiment of the electronic electric energy meter of Combined inductor for preventing electric bugular of the present utility model;
Fig. 8 to Figure 13 is according to the assembling process schematic diagram with the Combined inductor for preventing electric bugular of another preferred embodiment of the electronic electric energy meter of Combined inductor for preventing electric bugular of the present utility model;
Figure 14 is the connection diagram of the ramp box that has a preferred embodiment of the electronic electric energy meter of Combined inductor for preventing electric bugular according to of the present utility model and Combined inductor for preventing electric bugular, electrical network, user load;
Figure 15 is according to the connection box of electric energy meter schematic diagram with a preferred embodiment of the electronic electric energy meter of Combined inductor for preventing electric bugular of the present utility model;
Figure 16 is according to the ammeter metering units principle of work schematic diagram with a preferred embodiment of the electronic electric energy meter of Combined inductor for preventing electric bugular of the present utility model.
Reference numeral:
1, current transformer, 2, voltage transformer (VT), 3, shunt, 4, ramp box, 5, copper plate, 6, heat-shrink tube, 7, red copper blind rivet, 8, the sample line of current transformer, 9, the sample line of voltage transformer (VT), 10, the sample line of shunt, 11, scallop I, 12, circular port I, 13, scallop II, 14, circular port II, 15, scallop III, 16, circular port III, 17, scallop IV, 18, circular port IV.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated, below describe only exemplarily and explain, any pro forma restriction is not done to the utility model.
embodiment 1
As shown in Figure 1, the electronic electric energy meter with Combined inductor for preventing electric bugular comprises electric energy meter casing, ramp box 4, measuring apparatus, Combined inductor for preventing electric bugular, electric energy meter casing top is provided with metering and display device, Combined inductor for preventing electric bugular comprises live wire, zero line, current transformer 1, voltage transformer (VT) 2, shunt 3 and housing, current transformer 1 connects the sample line 8 of current transformer, voltage transformer (VT) 2 connects the sample line 9 of voltage transformer (VT), shunt 3 is connected to the sample line 10 of shunt, the voltage transformer (VT) 2 of Combined inductor for preventing electric bugular is horizontally installed on the centre of its shunt 3 and current transformer 1, shunt 3 and the current transformer 1 of Combined inductor for preventing electric bugular are longitudinally arranged on the dual-side of its voltage transformer (VT) 2, electric energy meter casing, ramp box 4, measuring apparatus be assembled into one and with Combined inductor for preventing electric bugular assembly connection.
The voltage transformer (VT) 2 of Combined inductor for preventing electric bugular has voltage transformer (VT) coil-end daughter board, this voltage transformer (VT) coil-end daughter board is bending forming, it is equipped with scallop I11 through the one end be connected with current transformer 1 after voltage transformer (VT) coil, and its other end is equipped with circular port I12.The current transformer 1 of Combined inductor for preventing electric bugular has current mutual inductor coil terminal strip, this current mutual inductor coil terminal strip is bending forming, it is equipped with scallop II13 through the one end be connected with voltage transformer (VT) 2 after current mutual inductor coil, and its other end is equipped with circular port II14.Scallop I11 on voltage transformer (VT) coil-end daughter board and the scallop II13 one_to_one corresponding on current mutual inductor coil terminal strip, the circular port I12 on voltage transformer (VT) coil-end daughter board and the circular port II14 on current mutual inductor coil terminal strip and the connection terminal connecting hole one_to_one corresponding in ramp box 4.Voltage transformer (VT) coil-end daughter board is through the coil of voltage transformer (VT) 2, and current mutual inductor coil terminal strip is through the coil of current transformer 1; Voltage transformer (VT) coil-end daughter board has one end that one end of scallop I11 and current mutual inductor coil terminal strip have a scallop II13 and laminates up and down and adopt red copper blind rivet riveting 7 to connect in succession.
Voltage transformer (VT) 2 and the shunt 3 of Combined inductor for preventing electric bugular adopt copper plate 5 to be connected, and copper plate 5 is bending forming, and its panel wall portion through the coil of voltage transformer (VT) 2 is equipped with a heat-shrink tube 6.Copper plate 5 is equipped with scallop III15 through one end of voltage transformer (VT) coil, and its other end is equipped with circular port III16.The scallop IV17 one_to_one corresponding that scallop III15 on copper plate 5 and shunt terminal strip are provided with, the connection terminal connecting hole one_to_one corresponding in the circular port IV18 that the circular port III16 on copper plate 5 and shunt terminal strip are provided with and ramp box 4.Copper plate 5 is through the coil of voltage transformer (VT) 2, and copper plate 5 has one end that one end of scallop III15 and shunt terminal strip be provided with scallop IV17 and laminates up and down and adopt red copper blind rivet 7 riveting.
Circular port IV18 on the circular port III16 of the circular port I12 of voltage transformer (VT) coil-end daughter board one end, the circular port II14 of current mutual inductor coil terminal strip one end, copper plate 5 one end, shunt terminal strip and ramp box 4 middle connecting terminal connecting hole one_to_one corresponding.As shown in figure 14, be provided with bottom ramp box 4 and connect the live wire of user load and zero line terminals, be also provided with live wire and zero line terminals that electrical network enters.Measuring apparatus is built-in with ammeter metering units, and ammeter metering units connects ammeter display screen, ramp box 4 and the sample line 8 of current transformer, the sample line 9 of voltage transformer (VT) by data line.Ammeter display screen comprises LED light and lcd screen, and LED light and lcd screen are arranged in metering and display device.As shown in figure 15, the wiring of electric energy meter: 1,6 is that live wire enters, live wire goes out respectively, 2,5 is positive negative pulse stuffing output, and 3,4 is that N line enters, N line goes out respectively.As shown in figure 16, ammeter metering units comprises MCU microcontroller, E2P storage chip able to programme, transfer to E2P storage chip able to programme after the current sampling signal that collection receives by MCU microcontroller, voltage sampling signal, power transformer signal transacting store and exchange data with it, power information and ammeter measurement data are shown by lcd screen, and stealing indicator signal and pulse indicator signal are shown by LED light.
This has the electronic electric energy meter of Combined inductor for preventing electric bugular, its voltage transformer (VT) is horizontally installed on the centre of shunt and current transformer, shunt and current transformer are longitudinally arranged on voltage transformer (VT) dual-side, this structural design, mutual interference when the magnetic field produced when can avoid shunt and voltage transformer (VT) and operation of current transformers or leakage field, thus improve electrical energy meter accuracy.Adopt copper plate connection voltage transformer (VT) and shunt, laminate up and down and two scallops are overlapped, the Hard link of being riveted by red copper blind rivet, make it location correct, while cheap installation, reduce contact resistance and overall power.
embodiment 2:
As shown in Fig. 2 to 12, the electronic electric energy meter with Combined inductor for preventing electric bugular comprises electric energy meter casing, ramp box 4, measuring apparatus, Combined inductor for preventing electric bugular, electric energy meter casing top is provided with metering and display device, Combined inductor for preventing electric bugular comprises live wire, zero line, current transformer 1, voltage transformer (VT) 2, shunt 3 and housing, current transformer 1 connects the sample line 8 of current transformer, voltage transformer (VT) 2 connects the sample line 9 of voltage transformer (VT), and shunt 3 is connected to the sample line 10 of shunt.
Voltage transformer (VT) coil-end daughter board bending forming, it is equipped with scallop I11 through the one end be connected with current transformer 1 after voltage transformer (VT) coil, and its other end is equipped with circular port I12.Current mutual inductor coil terminal strip bending forming, it is equipped with scallop II13 through the one end be connected with voltage transformer (VT) 2 after current mutual inductor coil, and its other end is equipped with circular port II14.One copper plate 5 bending forming, is nested with a heat-shrink tube 6 at its panel wall portion through the coil of voltage transformer (VT) 2.Copper plate 5 is equipped with scallop III15 through one end of voltage transformer (VT) coil, and its other end is equipped with circular port III16.
First voltage transformer (VT) coil-end daughter board is passed voltage transformer (VT) coil, then current mutual inductor coil terminal strip is passed current mutual inductor coil, voltage transformer (VT) coil-end daughter board has one end that one end of scallop I11 and current mutual inductor coil terminal strip have a scallop II13 and laminates up and down, two scallop (scallop I11, scallop II13) overlap and adopt red copper blind rivet to rivet and carry out Hard link, make it location correct.Then, by the coil of copper plate 5 through voltage transformer (VT) 2, copper plate 5 has one end that one end of scallop III15 and shunt terminal strip be provided with scallop IV17 and laminates up and down, two scallop (scallop III15, scallop IV17) overlap and adopt red copper blind rivet to rivet and carry out Hard link, make it location correct.
As shown in figure 13, the voltage transformer (VT) 2 of Combined inductor for preventing electric bugular is horizontally installed on the centre of its shunt 3 and current transformer 1, and shunt 3 and the current transformer 1 of Combined inductor for preventing electric bugular are longitudinally arranged on the dual-side of its voltage transformer (VT) 2.Electric energy meter casing, ramp box 4, measuring apparatus be assembled into one and with Combined inductor for preventing electric bugular assembly connection.
The above is only be described preferred implementation of the present utility model; not that scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that the common engineering technical personnel in this area make the technical solution of the utility model and improvement, all should fall in protection domain that claims of the present utility model determine.
Claims (17)
1. one kind has the electronic electric energy meter of Combined inductor for preventing electric bugular, comprise electric energy meter casing, ramp box, measuring apparatus, Combined inductor for preventing electric bugular, electric energy meter casing top is provided with metering and display device, Combined inductor for preventing electric bugular comprises live wire, zero line, current transformer, voltage transformer (VT), shunt and housing, it is characterized in that: the voltage transformer (VT) of described Combined inductor for preventing electric bugular is horizontally installed on the centre of its shunt and current transformer, the shunt of described Combined inductor for preventing electric bugular and current transformer are longitudinally arranged on the dual-side of its voltage transformer (VT), described electric energy meter casing, ramp box, measuring apparatus be assembled into one and with Combined inductor for preventing electric bugular assembly connection.
2. there is the electronic electric energy meter of Combined inductor for preventing electric bugular as claimed in claim 1, it is characterized in that: the voltage transformer (VT) of described Combined inductor for preventing electric bugular has voltage transformer (VT) coil-end daughter board, this voltage transformer (VT) coil-end daughter board is bending forming, it is equipped with scallop I through the one end be connected with current transformer after voltage transformer (VT) coil, and its other end is equipped with circular port I.
3. there is the electronic electric energy meter of Combined inductor for preventing electric bugular as claimed in claim 1, it is characterized in that: the current transformer of described Combined inductor for preventing electric bugular has current mutual inductor coil terminal strip, this current mutual inductor coil terminal strip is bending forming, it is equipped with scallop II through the one end be connected with voltage transformer (VT) after current mutual inductor coil, and its other end is equipped with circular port II.
4. there is the electronic electric energy meter of Combined inductor for preventing electric bugular as claimed in claim 2, it is characterized in that: the scallop I on described voltage transformer (VT) coil-end daughter board and the scallop II one_to_one corresponding on current mutual inductor coil terminal strip.
5. there is the electronic electric energy meter of Combined inductor for preventing electric bugular as claimed in claim 3, it is characterized in that: the circular port I on described voltage transformer (VT) coil-end daughter board and the circular port II on current mutual inductor coil terminal strip and the connection terminal connecting hole one_to_one corresponding in ramp box.
6. the electronic electric energy meter with Combined inductor for preventing electric bugular as described in claim 2 or 4, is characterized in that: voltage transformer (VT) coil-end daughter board is through the coil of voltage transformer (VT), and current mutual inductor coil terminal strip is through the coil of current transformer; Voltage transformer (VT) coil-end daughter board has one end that one end of scallop I and current mutual inductor coil terminal strip have a scallop II and laminates up and down and adopt red copper blind rivet riveting.
7. there is the electronic electric energy meter of Combined inductor for preventing electric bugular as claimed in claim 1, it is characterized in that: voltage transformer (VT) and the shunt of described Combined inductor for preventing electric bugular adopt copper plate to be connected.
8. have the electronic electric energy meter of Combined inductor for preventing electric bugular as claimed in claim 7, it is characterized in that: described copper plate is bending forming, its panel wall portion through the coil of voltage transformer (VT) is equipped with a heat-shrink tube.
9. there is the electronic electric energy meter of Combined inductor for preventing electric bugular as claimed in claim 7, it is characterized in that: described copper plate is equipped with scallop III through one end of voltage transformer (VT) coil, and its other end is equipped with circular port III.
10. there is the electronic electric energy meter of Combined inductor for preventing electric bugular as claimed in claim 9, it is characterized in that: the scallop IV one_to_one corresponding that the scallop III on described copper plate and shunt terminal strip are provided with.
11. electronic electric energy meters as claimed in claim 9 with Combined inductor for preventing electric bugular, is characterized in that: the connection terminal connecting hole one_to_one corresponding in the circular port IV that the circular port III on described copper plate and shunt terminal strip are provided with and ramp box.
12. electronic electric energy meters as claimed in claim 7 with Combined inductor for preventing electric bugular, it is characterized in that: copper plate is through the coil of voltage transformer (VT), and copper plate has one end that one end of scallop III and shunt terminal strip be provided with scallop IV and laminates up and down and adopt red copper blind rivet riveting.
13., as the electronic electric energy meter with Combined inductor for preventing electric bugular in claim 2,3,9,11 as described in any one, is characterized in that: the circular port IV on the circular port III of the circular port I of voltage transformer (VT) coil-end daughter board one end, the circular port II of current mutual inductor coil terminal strip one end, copper plate one end, shunt terminal strip and ramp box middle connecting terminal connecting hole one_to_one corresponding.
14. electronic electric energy meters as claimed in claim 1 with Combined inductor for preventing electric bugular, it is characterized in that: be provided with bottom described ramp box and connect the live wire of user load and zero line terminals, be also provided with live wire and zero line terminals that electrical network enters.
15. electronic electric energy meters as claimed in claim 1 with Combined inductor for preventing electric bugular, it is characterized in that: described measuring apparatus is built-in with ammeter metering units, described ammeter metering units connects the display screen of electric energy meter, ramp box and the sample line of current transformer, the sample line of voltage transformer (VT) by data line.
16. electronic electric energy meters as claimed in claim 15 with Combined inductor for preventing electric bugular, is characterized in that: the display screen of electric energy meter comprises LED light and lcd screen, and LED light and lcd screen are arranged in metering and display device.
17. electronic electric energy meters as claimed in claim 15 with Combined inductor for preventing electric bugular, it is characterized in that: described ammeter metering units comprises MCU microcontroller, E2P storage chip able to programme, transfer to E2P storage chip able to programme after the current sampling signal that collection receives by MCU microcontroller, voltage sampling signal, power transformer signal transacting store and exchange data with it, power information and ammeter measurement data are shown by lcd screen, and stealing indicator signal and pulse indicator signal are shown by LED light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520432099.2U CN204832278U (en) | 2015-06-23 | 2015-06-23 | Electronic type electric energy meter with anti -electricity -theft combined instrument transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520432099.2U CN204832278U (en) | 2015-06-23 | 2015-06-23 | Electronic type electric energy meter with anti -electricity -theft combined instrument transformer |
Publications (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105608949A (en) * | 2016-03-16 | 2016-05-25 | 国家电网公司 | Split type electric energy metering device and terminal installation wiring practical training apparatus |
| CZ306402B6 (en) * | 2016-01-25 | 2017-01-04 | Univerzita Hradec Králové | Induction type current shunt |
| CN107121579A (en) * | 2017-05-17 | 2017-09-01 | 浙江永阳科技有限公司 | A kind of single-phase intelligent anti-electricity-theft electric energy meter |
| US10794934B2 (en) | 2017-12-30 | 2020-10-06 | Abb Schweiz Ag | Instrument transformer for measuring at least one electricity property in a conductor of a power grid |
| CN114200189A (en) * | 2021-12-10 | 2022-03-18 | 宁波泰丰源电气有限公司 | High-protection ammeter current transformer |
-
2015
- 2015-06-23 CN CN201520432099.2U patent/CN204832278U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ306402B6 (en) * | 2016-01-25 | 2017-01-04 | Univerzita Hradec Králové | Induction type current shunt |
| CN105608949A (en) * | 2016-03-16 | 2016-05-25 | 国家电网公司 | Split type electric energy metering device and terminal installation wiring practical training apparatus |
| CN107121579A (en) * | 2017-05-17 | 2017-09-01 | 浙江永阳科技有限公司 | A kind of single-phase intelligent anti-electricity-theft electric energy meter |
| US10794934B2 (en) | 2017-12-30 | 2020-10-06 | Abb Schweiz Ag | Instrument transformer for measuring at least one electricity property in a conductor of a power grid |
| CN114200189A (en) * | 2021-12-10 | 2022-03-18 | 宁波泰丰源电气有限公司 | High-protection ammeter current transformer |
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Address after: 314500 1-2 floors of 7 blocks, 320 Tongsheng Road, Fengming Street, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: Tongxiang Weida Electronics Co., Ltd. Address before: 314513 Ren'an Dam, Zhongan Village, Zhouquan Town, Jiaxing City, Zhejiang Province Patentee before: Tongxiang Weida Electronics Co., Ltd. |