CN202522595U - Multiphase switch intelligence electric energy meter - Google Patents
Multiphase switch intelligence electric energy meter Download PDFInfo
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- CN202522595U CN202522595U CN2012200646053U CN201220064605U CN202522595U CN 202522595 U CN202522595 U CN 202522595U CN 2012200646053 U CN2012200646053 U CN 2012200646053U CN 201220064605 U CN201220064605 U CN 201220064605U CN 202522595 U CN202522595 U CN 202522595U
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- electric energy
- energy meter
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- shell
- metering
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Abstract
The utility model discloses a multiphase switch intelligence electric energy meter. The electric energy meter comprises a pedestal. An outer meter shell and an inner meter shell are arranged on the pedestal. The outer meter shell and the pedestal are sealed so as to define a first shell. The inner meter shell and the pedestal are sealed so as to define a second shell. The first shell is sleeved on the second shell. The second shell is sleeved with a switch unit and a metering unit, wherein the switch unit forms coupled connection with the metering unit. A top and a bottom of the first shell are provided with a wire inlet terminal and a wire outlet terminal respectively. The metering unit is provided with a metering circuit board, a heat conduction element and a display. By using the electric energy meter of the utility model, under the condition that other loads are not added, electricity consumption can be monitored in real time and metering accuracy can be ensured. The electric energy meter is safe and reliable.
Description
Technical field
The utility model is about electrical network electric energy metrical instrument and meter field, more particular it, the utility model is can realize the electrical network electric energy metrical simultaneously and with the heterogeneous intelligent electric energy meter of electric loading drawing lock function about a kind of.
Background technology
On the ordinary meaning, electric energy meter is a kind of electrical measuring device that is connected between grid power transmission line and the electrical network user load.For example, three-phase electric energy meter is the electric energy that is used for measuring output of three-phase circuit electric network source or load consumption.Its principle of work is identical with single-phase electric energy meter, just structurally adopts many group driver parts and the mode that is fixed on a plurality of aluminium dishes in the rotating shaft, to realize the measurement to three-phase electric energy.It is made up of three driving elements and three aluminium dishes that are contained in the same rotating shaft, and its reading has directly reflected the electric energy that three phase network consumed.Also some three-phase electric energy meter adopts three groups of driver parts to act on the structure of same aluminium dish, and it is little, in light weight that this structure has a volume, reduced advantages such as moment of friction, helps improving sensitivity and increases the service life etc.But because the plurality of electromagnetic element acts on same disk, the mutual interference mutually of its magnetic flux and eddy current has strengthened inevitably.For this reason, must take indemnifying measure, strengthen the distance between every group of electromagnetic component as far as possible, therefore, it is big that the diameter of rotating disk is wanted accordingly.Along with continuous advancement in technology, electric energy meter changes current electronic type metering method into from original this mechanical register metering system, multiple intellectual electronic electric energy meter more occurred.
But; Current techniques is through constantly making great efforts to solve the measuring accuracy and the real-time of intelligent electric energy meter; And the defective of communication function aspect, but there is not a kind of electric energy meter rationally to monitor and effectively control to user load, promptly the functional of electric energy meter itself only is in the electrical measurement envelop of function, to update; This strictness has limited the function expansion of electric energy meter; Electrical measuring instrument if desired---be electric energy meter with load between effectively be connected, certainly will need other equipment to realize monitoring, particularly enriching constantly and electrical network constantly complicated for active user's loadtype to load; The improvement of electric energy meter can not be timely and effective, and is functional so be restricted.
On the other hand, electrical network user, especially domestic power grid user, the direct current metering in its load does not still have efficient apparatus and method.Because direct current is different from many phase alternating current, do not produce the electromagnetism alternating quantity, therefore can't utilize the induction installation of conventional electric energy meter to measure, more can't realize monitoring.Especially for big direct current, prior art often adopts shunting mode to measure, but effect is unsatisfactory, and has potential safety hazard.
The utility model content
The utility model is intended to solve the defective that prior art exists, and proposes a kind of heterogeneous switch intelligent electric energy meter, under the prerequisite that does not increase other loads, can monitor the electricity consumption situation in real time and guarantee metering accurately, and is safe and reliable.
In order to reach said purpose; The heterogeneous switch intelligent electric energy meter of the utility model adopts following technical scheme: it comprises base; Base is provided with appearance surface shell and interior watchcase, and appearance surface shell and base envelope are enclosed to limit one first housing, and interior watchcase and base envelope are enclosed to limit one second housing; Sheathed second housing of first housing; Second housing is arranged with switch element and the metering units that intercouples and connect, and the top of first housing and bottom are arranged with end of incoming cables and leading-out terminal, are provided with metering circuit plate, heat-conducting piece and display in the metering units.
As preferably, the metering circuit plate is provided with sampling switching circuit, metering circuit and display.
As preferably, the metering circuit plate bottom heat-conducting piece that has been sticked, said heat-conducting piece edge extends second housing and extends in first housing.
As preferably, display extends first housing.
As preferably, be provided with total lock switch in the switch element, and total lock switch extends first housing.
As preferably, the end of incoming cables is set as electrical network live wire and zero line end of incoming cables, and leading-out terminal is set as live wire and zero line leading-out terminal accordingly.The inlet wire mode can freely be allocated.
Owing to adopted described structure, the beneficial effect of the utility model is conspicuous:
1, in realization metering and billing function, realizes control to user load;
2, save the structural design consumptive material of traditional electric energy meter through the line layout design of turnover up and down;
3, come the inner normal working temperature of adjustment electric energy watchcase in time through housing and heat-conducting piece, avoid of the influence of too high/low temperature electric energy meter;
4, through record and prompting, can make user or maintainer conveniently obtain these data messages to electrical network user power utilization state, and the timely queueing problem of ability, safe in utilization.
Description of drawings
Below will come the preferred embodiment and the embodiment of detailed description the utility model with reference to accompanying drawing, and describe for ease, and only show necessary module of main composition or device, the same or similar mark among the figure is represented equal modules or assembly, wherein:
Fig. 1 is the front elevation of the heterogeneous switch intelligent electric energy meter of the utility model.
Fig. 2 is embodiment one structural representation of the heterogeneous switch intelligent electric energy meter of the utility model.
Fig. 3 is A among Fig. 1-A cut-open view.
Fig. 4 is embodiment two structural representations of the heterogeneous switch intelligent electric energy meter of the utility model.
Embodiment
With reference to Fig. 2; Wherein show the structural representation of first embodiment of the heterogeneous switch intelligent electric energy meter of the utility model; From figure, can know that it mainly is made up of a switch element 60, metering units 70, end of incoming cables 80 and leading-out terminal 90, switch element 60 is of coupled connections with metering units 70.With a three-phase intelligent electric energy meter is example, electrical network live wire L
A, L
B, L
CInsert 4 ends of incoming cables being located at metering units 70 bottom end with zero line N, be provided with 4 leading-out terminals of correspondence in the top end of switch element 60.Should be appreciated that 4 lines of end of incoming cables should be corresponding one by one with 4 lines of leading-out terminal, and on current direction, will keep corresponding at least, perhaps can be regarded as three-phase firewire L
A, L
B, L
CDirectly pass the utility model electric energy meter with zero line N.
As preferably, be provided with total lock switch 61 in the switch element 60, total lock switch 61 extends first housing 12.
With reference to Fig. 1 and Fig. 3, present embodiment comprises a base 20, and base is provided with appearance surface shell 10 and interior watchcase 30, and appearance surface shell 10 encloses to limit one first housing 12 with base 20 envelopes, and interior watchcase 30 encloses to limit one second housing 32 with base 20 envelopes.Can find out first housing, 12 sheathed second housing, 32, the second housings, 32 sheathed switch elements 60 and metering units 70; Illustrate and describe for easy; Should be noted in the discussion above that in Fig. 1 and metering units 70 and shell body 12 included whole body unifications thereof to be denoted as 70 for easy expression; Switch element 60 and shell body 12 included whole body unifications thereof are denoted as 60, in second housing 32 (or metering units 70), are provided with metering circuit plate 40, heat-conducting piece 50 and display 71.
As preferably, metering circuit plate 40 can be selected a pcb board or PWB plate for use, is provided with sampling switching circuit, metering circuit (not showing) and display 71 onboard.Metering circuit preferably includes a digital signal processor (DSP) and a microprocessor (MCU) chip, is used for electric weight and calculates and processing data information.Simultaneously, further be provided with display 71 on the metering circuit plate 40, display 71 can comprise LCD display, display circuit and a driving circuit.Normally, display circuit be according to technological design on circuit board 40, and display screen extends first housing 12, and can an optimum position on the electric energy meter appearance surface shell carries out the visualization display of electric quantity data.
Pattern is with reference to Fig. 3, as preferably, and the metering circuit plate 40 bottoms heat-conducting piece 50 that has been sticked, heat-conducting piece 50 edges extend second housing 32 and extend in first housing 12.Heat-conducting piece 50 preferably is made up of a kind of thermal conductivity preferred metal (for example copper, aluminium), and in this heat-conducting piece 50, a room can be set, and wherein contains coolant (for example water, ethanol or mercury etc.).Because when the electric energy meter operate as normal; Temperature in electric energy meter second housing 32 is higher than room temperature; And thermal source mainly is to be produced by the assembly of circuit board or components and parts; Especially when switch element 60 drawing locks, particularly for high pressure electricity consumption (for example commercial power is on-the-spot), drawing lock moment can produce the high temperature of thousands of degree.Though the volt-ampere characteristic of routine dose and drawing lock element itself can reach the standard of bearing high temperature, the heat energy in the electric energy meter still can't normally be discharged, and so just makes circuit loss bigger, even can burn components and parts.
And through the utility model first embodiment, a heat conduction transition structure through heat-conducting piece 50, first housing 12 and second housing 32 are formed can guarantee that circuit board can be not overheated.In like manner, under severe cold condition, cross low temperature and can directly not have influence on the circuit elements device in second housing 32.Therefore, just can avoid the influence of temperature to the operate as normal of electric energy meter.
With reference to Fig. 4; Wherein show the structural representation of second embodiment of the heterogeneous switch intelligent electric energy meter of the utility model; From figure, can know; It mainly is made up of with leading-out terminal 90 ' a switch element 60 ', metering units 70 ', end of incoming cables 80 ', and switch element 60 ' is of coupled connections with metering units 70 '.Be example with a three-phase intelligent electric energy meter equally, electrical network live wire L
A', L
B', L
C' and zero line N insert 4 ends of incoming cables being located at switch element 60 ' bottom end, be provided with 4 corresponding leading-out terminals in the top end of metering units 70 '.Should be appreciated that 4 lines of end of incoming cables should be corresponding one by one with 4 lines of leading-out terminal, and on current direction, will keep corresponding at least, perhaps can be regarded as three-phase firewire L
A', L
B', L
C' and zero line N directly pass the utility model electric energy meter.
Should be noted in the discussion above that in Fig. 4 metering units 70 ' and shell body 12 ' the included whole body unification thereof to be denoted as 70 ', switch element 60 ' and shell body 12 ' the included whole body unification thereof are denoted as 60 ' equally for easy expression.
The internal mechanism of the utility model second embodiment is identical with first embodiment, will not give unnecessary details.
As preferably, display 71 ' can comprise LCD display, display circuit and a driving circuit.Normally, display circuit be according to technological design on circuit board 40, and display screen extends first housing 12, and can an optimum position on the electric energy meter appearance surface shell carries out the visualization display of electric quantity data.
As preferably, be provided with total lock switch 61 ' in the switch element 60 ', total lock switch 61 ' extends first housing 12 '.
More than being merely the preferred embodiment of the utility model, is not to be the qualification to technical scheme that the utility model discloses, and for example, for single-phase electric energy meter, end of incoming cables and leading-out terminal are divided into 2.Should understand, all variations of having done based on the utility model, substitute and revise, all be covered by in the claim that the utility model advocates.
Claims (6)
1. heterogeneous switch intelligent electric energy meter; Comprise base (20); It is characterized in that: said base (20) is provided with appearance surface shell (10) and interior watchcase (30); Said appearance surface shell (10) encloses to limit one first housing (12) with base (20) envelope; Watchcase (30) encloses to limit one second housing (32) with base (20) envelope in said, and sheathed second housing of said first housing (12) (32), said second housing (32) are arranged with switch element (60) and the metering units (70) that intercouples and connect; The top of said first housing (12) and bottom are arranged with end of incoming cables (80) and leading-out terminal (90), are provided with metering circuit plate (40), heat-conducting piece (50) and display (71) in the said metering units (70).
2. heterogeneous switch intelligent electric energy meter as claimed in claim 1 is characterized in that: said metering circuit plate (40) is provided with sampling switching circuit, metering circuit and display (71).
3. according to claim 1 or claim 2 heterogeneous switch intelligent electric energy meter; It is characterized in that: the heat-conducting piece (50) that has been sticked bottom the said metering circuit plate (40), said heat-conducting piece (50) edge extends second housing (32) and extends in first housing (12).
4. according to claim 1 or claim 2 heterogeneous switch intelligent electric energy meter, it is characterized in that: said display (71) extends first housing (12).
5. heterogeneous switch intelligent electric energy meter as claimed in claim 1 is characterized in that: be provided with total lock switch (61) in the said switch element (60), said total lock switch (61) extends first housing (12).
6. heterogeneous switch intelligent electric energy meter as claimed in claim 1 is characterized in that: said end of incoming cables (80) are set as electrical network live wire and zero line end of incoming cables, and said leading-out terminal (90) is set as live wire and zero line leading-out terminal accordingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200646053U CN202522595U (en) | 2012-02-27 | 2012-02-27 | Multiphase switch intelligence electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200646053U CN202522595U (en) | 2012-02-27 | 2012-02-27 | Multiphase switch intelligence electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202522595U true CN202522595U (en) | 2012-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200646053U Expired - Fee Related CN202522595U (en) | 2012-02-27 | 2012-02-27 | Multiphase switch intelligence electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202522595U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941055A (en) * | 2014-03-28 | 2014-07-23 | 华立仪表集团股份有限公司 | Direct inserting type electric power information collecting device |
| CN111051822A (en) * | 2017-07-14 | 2020-04-21 | 伊利诺斯工具制品有限公司 | Test device and handle of test device |
-
2012
- 2012-02-27 CN CN2012200646053U patent/CN202522595U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941055A (en) * | 2014-03-28 | 2014-07-23 | 华立仪表集团股份有限公司 | Direct inserting type electric power information collecting device |
| CN103941055B (en) * | 2014-03-28 | 2016-06-22 | 华立科技股份有限公司 | Direct insertion power information collecting device |
| CN111051822A (en) * | 2017-07-14 | 2020-04-21 | 伊利诺斯工具制品有限公司 | Test device and handle of test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20180227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |