CN103578193A - Guide rail type prepayment electric energy meter - Google Patents
Guide rail type prepayment electric energy meter Download PDFInfo
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- CN103578193A CN103578193A CN201210280912.XA CN201210280912A CN103578193A CN 103578193 A CN103578193 A CN 103578193A CN 201210280912 A CN201210280912 A CN 201210280912A CN 103578193 A CN103578193 A CN 103578193A
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- prepayment
- electric energy
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- energy meter
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Abstract
The invention relates to a guide rail type prepayment electric energy meter. A modulization structure is adopted by the electric energy meter, and the electric energy meter comprises an electric energy metering module, a prepayment control circuit, a prepayment circuit breaker and a CPU (Central Processing Unit), wherein the CPU is respectively connected with the electric energy metering module and the prepayment control circuit; the prepayment control circuit is connected with the prepayment circuit breaker; the CPU judges whether the surplus electric quantity inside the electric energy meter is sufficient or not; if so, the CPU sends a closed signal to the prepayment control circuit, and the prepayment control circuit controls the prepayment circuit breaker to be switched on; if not, the CPU sends a cutoff signal to the prepayment control circuit, and the prepayment control circuit controls the prepayment circuit breaker to be switched off. Compared with the prior art, the guide rail type prepayment electric energy meter has the advantages that the size is small, the mounting is convenient, the cost is low, the functionality is strong, controllable performance is realized, the safety is high and the like.
Description
Technical field
The present invention relates to a kind of electric energy meter, especially relate to a kind of guide tracked prepayment meter.
Background technology
Pre-payment electric energy management, as a kind of new management of power use pattern, both can help supplier of electricity to improve management of power use level, can help again electricity consumption side to carry out autonomous consumption.The realization of pre-payment electric energy management mode depends on prepayment meter and completes.
Existing prepayment meter (as ,Lin Yang, Holley of wasion etc.), the interactive interface with pre-payment medium, can accept user and supplement in advance information about power input with money, and can or coordinate prepayment breaker (RuABB, Siemens, people's electrical equipment) to realize the control of load break-make and pre-payment management by electric energy meter itself.Shortcoming is: overall volume is large, requirements of installation space is large, its wall-hanging mounting means has determined to be installed on the special-purpose ammeter box of setting up separately, and can not insert flexibly the widely used terminal distribution box of distribution terminal, so Practical Project while installing overall cost high and implementation result is not attractive in appearance.
Existing guide rail type electrical energy meter, adopts guide tracked mounting means, and its volume is small and exquisite, can compactness be installed in terminal distribution box.Shortcoming is: do not possess pre paid functionality, do not possess the interactive interface of pre-payment medium, can not accept user and supplement in advance information about power input with money; Can not coordinate with prepayment breaker and realize the control of load break-make, can not comply with the new demand of distribution terminal pre-payment electric energy management.
Summary of the invention
Object of the present invention is exactly to provide a kind of by the guide tracked prepayment meter of the miniaturization structure perfect unity of the pre paid functionality of prepayment meter and guide rail type electrical energy meter in order to overcome the defect of above-mentioned prior art existence.
Object of the present invention can be achieved through the following technical solutions:
A kind of guide tracked prepayment meter, it is characterized in that, this electric energy meter adopts unit construction, comprise electric energy metering module, pre-payment control circuit, prepayment breaker and CPU, described CPU is connected with electric energy metering module, pre-payment control circuit respectively, and described pre-payment control circuit is connected with prepayment breaker;
Described CPU judges that whether the dump energy of electric energy meter inside is abundant, and if yes, CPU sends closure signal to pre-payment control circuit, and it is closed that pre-payment control circuit is controlled prepayment breaker; Otherwise CPU sends cut-off signal to pre-payment control circuit, pre-payment control circuit is controlled prepayment breaker and is disconnected.
This electric energy meter bottom is provided with buckle and standard guide-track groove, by standard guide-track groove, can make electric energy meter directly pack in panel box.
This electric energy meter front is provided with the pre-payment Media Interface Connector that carries out prepayment information input for user, and this pre-payment Media Interface Connector is Contact Type Ic Card card interface or radio-frequency (RF) IC card induction zone.
Described CPU is provided with control signal output terminal, and this output terminal is connected with the control signal input end coupling of pre-payment control circuit.
Described pre-payment control circuit comprises triode and relay, and described triode is connected with CPU, and described triode is connected in series with relay coil, and described relay contact switch is connected with prepayment breaker;
When the dump energy of electric energy meter inside is abundant, CPU output signal is high level, triode conducting, and relay coil obtains electric, and relay contact switch is closed; When the dump energy of electric energy meter inside is not enough, CPU output signal is low level, triode cut-off, and relay coil dead electricity, relay contact switch disconnects.
Forceful electric power input terminal and the pre-payment Media Interface Connector of this electric energy meter are isolated setting.
Compared with prior art, the present invention has the following advantages:
1) volume is little.Prepayment meter is designed to the unit construction profile of miniature circuit breaker, makes electric energy meter volume small and exquisite, reduced the requirement to space in project installation.
2) convenient installation.Adopt 35mm standard guide rails assembling mode, ammeter is flexible for installation easy, and application scenario is more extensive.
3) cost is low.Due to microminiaturized structure and 35mm standard guide rails assembling mode, make electric energy meter can easily insert terminal distribution box, and without being equipped with special-purpose ammeter box, can simplify like this construction link, reduction construction costs.
4) functional strong, meet pre-payment electric energy management mode demand.Electric energy meter with pre-payment medium interactive interface, can help user to complete prepayment information input, thereby realize pre-payment management.
5) can control.Electric energy meter interior design signal control circuit, on terminal block, leave special-purpose control signal lead-out terminal, on electric, can be connected with pre-payment special miniature breaker control signal input terminal, during installation, can closely cooperate with pre-payment special miniature breaker again, realize load break-make and control.
6) safe.Adopt independently terminal base structure design, guaranteed the effective isolation between pre-payment Media Interface Connector and forceful electric power input terminal in physical space, both ensured internal circuit safety, ensured again user interactions safety.
Accompanying drawing explanation
Fig. 1 a is that contour structures master of the present invention looks schematic diagram;
Fig. 1 b is contour structures schematic side view of the present invention;
Fig. 2 is rail mounting structure schematic diagram of the present invention;
Fig. 3 a is three-phase primary connection schematic diagram of the present invention;
Fig. 3 b is single-phase primary connection schematic diagram of the present invention;
Fig. 4 a is the schematic diagram that pre-payment Media Interface Connector of the present invention is Contact Type Ic Card card interface;
Fig. 4 b is the schematic diagram that pre-payment Media Interface Connector of the present invention is radio-frequency (RF) IC card induction zone;
Fig. 5 is that the present invention coordinates control schematic diagram with prepayment breaker;
Fig. 6 is that output prepayment breaker control signal terminal of the present invention is arranged schematic diagram;
Fig. 7 is the internal circuit diagram of output prepayment breaker control signal of the present invention;
Fig. 8 is inner structure schematic diagram of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As shown in Fig. 1 a, 1b, be contour structures schematic diagram of the present invention, it adopts the unit construction (modulus is 18mm width) of similar miniature circuit breaker, and ammeter width can be the arbitrary integer times of 18mm.
As shown in Figure 2, be rail mounting structure schematic diagram of the present invention.Electric energy meter bottom design has DIN35mm standard guide-track groove and buckle 21, and electric energy meter can be installed on DIN35mm standard guide rail 22, thereby can in most of casings, install flexibly.
As shown in Fig. 3 a, 3b, for three-phase of the present invention and single-phase primary connection schematic diagram, prepayment meter of the present invention adopts structure and the DIN35mm standard guide rails assembling mode of similar miniature circuit breaker, make electric energy meter can easily insert panel box, thereby saved ammeter box in some application scenario, simplify construction link, reduced integrated engineering cost, and beautified engineering construction effect.
As shown in Fig. 4 a, 4b, it is pre-payment Media Interface Connector schematic diagram of the present invention.Contact Type Ic Card card interface 41 or radio-frequency (RF) IC card induction zone 42 are left in electric energy meter front, as pre-payment Media Interface Connector, can facilitate user to carry out prepayment information input.
As shown in Figure 5, for coordinating with pre-payment special miniature breaker, the present invention controls schematic diagram.When the dump energy (electricity charge) of electric energy meter inside is abundant, electric energy meter output energization control signal is to isolating switch, breaker closing, and user load can be used; When the dump energy (electricity charge) of electric energy meter inside is not enough, electric energy meter output disjunction control signal is to isolating switch, isolating switch disjunction, and user load can not be used.
As shown in Figure 6, for exporting prepayment breaker control signal terminal, the present invention arranges schematic diagram.On connection box of electric energy meter terminal base, be designed with special-purpose control signal output terminal 61, can be connected with the control signal input end coupling on pre-payment special miniature breaker.
As shown in Figure 7, for the present invention exports prepayment breaker control signal internal circuit diagram.When the dump energy (electricity charge) of electric energy meter inside is abundant, CPU output signal Con is high level, triode VT1 conducting, and relay K 1 coil obtains electric, and relay switch is closed; When the dump energy (electricity charge) of electric energy meter inside is not enough, CPU output signal Con is low level, triode VT1 cut-off, and relay K 1 coil losing electricity, relay switch disconnects.
As shown in Figure 8, be inner structure schematic diagram of the present invention.Electric energy meter inside adopts independently terminal base structure design, and forceful electric power input terminal 81 and pre-payment Media Interface Connector 82 can effectively be isolated, and has ensured the security of electric energy meter.
Claims (6)
1. a guide tracked prepayment meter, it is characterized in that, this electric energy meter adopts unit construction, comprise electric energy metering module, pre-payment control circuit, prepayment breaker and CPU, described CPU is connected with electric energy metering module, pre-payment control circuit respectively, and described pre-payment control circuit is connected with prepayment breaker;
Described CPU judges that whether the dump energy of electric energy meter inside is abundant, and if yes, CPU sends closure signal to pre-payment control circuit, and it is closed that pre-payment control circuit is controlled prepayment breaker; Otherwise CPU sends cut-off signal to pre-payment control circuit, pre-payment control circuit is controlled prepayment breaker and is disconnected.
2. a kind of guide tracked prepayment meter according to claim 1, is characterized in that, this electric energy meter bottom is provided with buckle and standard guide-track groove, by standard guide-track groove, can make electric energy meter directly pack in panel box.
3. a kind of guide tracked prepayment meter according to claim 1, it is characterized in that, this electric energy meter front is provided with the pre-payment Media Interface Connector that carries out prepayment information input for user, and this pre-payment Media Interface Connector is Contact Type Ic Card card interface or radio-frequency (RF) IC card induction zone.
4. a kind of guide tracked prepayment meter according to claim 1, is characterized in that, described CPU is provided with control signal output terminal, and this output terminal is connected with the control signal input end coupling of pre-payment control circuit.
5. a kind of guide tracked prepayment meter according to claim 4, it is characterized in that, described pre-payment control circuit comprises triode and relay, described triode is connected with CPU, described triode is connected in series with relay coil, and described relay contact switch is connected with prepayment breaker;
When the dump energy of electric energy meter inside is abundant, CPU output signal is high level, triode conducting, and relay coil obtains electric, and relay contact switch is closed; When the dump energy of electric energy meter inside is not enough, CPU output signal is low level, triode cut-off, and relay coil dead electricity, relay contact switch disconnects.
6. a kind of guide tracked prepayment meter according to claim 3, is characterized in that, forceful electric power input terminal and the pre-payment Media Interface Connector of this electric energy meter are isolated setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210280912.XA CN103578193A (en) | 2012-08-08 | 2012-08-08 | Guide rail type prepayment electric energy meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210280912.XA CN103578193A (en) | 2012-08-08 | 2012-08-08 | Guide rail type prepayment electric energy meter |
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| CN103578193A true CN103578193A (en) | 2014-02-12 |
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| CN201210280912.XA Pending CN103578193A (en) | 2012-08-08 | 2012-08-08 | Guide rail type prepayment electric energy meter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157079A (en) * | 2014-09-09 | 2014-11-19 | 江苏海恩德电气有限公司 | Prepayment power control system on basis of non-contact IC card |
| CN108414807A (en) * | 2018-03-15 | 2018-08-17 | 上海燕赵电子科技有限公司 | Single-phase guide rail type takes control intelligent electric energy meter |
| CN108445267A (en) * | 2018-03-15 | 2018-08-24 | 上海燕赵电子科技有限公司 | Three-phase guide rail-type takes control intelligent electric energy meter |
| CN113345166A (en) * | 2020-02-18 | 2021-09-03 | 安科瑞电气股份有限公司 | Guide rail type prepayment electric energy meter |
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| CN201177846Y (en) * | 2008-01-14 | 2009-01-07 | 长沙威胜电子有限公司 | Pre-payment three-phase electrical energy meter equipped with switch inside |
| ES2331223A1 (en) * | 2004-10-12 | 2009-12-23 | Iusa S.A. De C.V. | Prepayment system for electric power meters using a contactless smart card with an automatic supply cut-off device |
| CN201549018U (en) * | 2009-08-11 | 2010-08-11 | 惠州市龙鼎盛电力科技有限公司 | Single-phase electronic CPU card prepaid electric energy meter |
| CN202256430U (en) * | 2011-08-05 | 2012-05-30 | 南通林洋电气有限公司 | Novel guide rail type installed single-phase electric energy meter and installation device thereof |
| CN202433993U (en) * | 2011-12-02 | 2012-09-12 | 开封县供电有限责任公司 | One-way prepayment electric energy meter with built-in switch |
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2012
- 2012-08-08 CN CN201210280912.XA patent/CN103578193A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2331223A1 (en) * | 2004-10-12 | 2009-12-23 | Iusa S.A. De C.V. | Prepayment system for electric power meters using a contactless smart card with an automatic supply cut-off device |
| CN201177846Y (en) * | 2008-01-14 | 2009-01-07 | 长沙威胜电子有限公司 | Pre-payment three-phase electrical energy meter equipped with switch inside |
| CN201549018U (en) * | 2009-08-11 | 2010-08-11 | 惠州市龙鼎盛电力科技有限公司 | Single-phase electronic CPU card prepaid electric energy meter |
| CN202256430U (en) * | 2011-08-05 | 2012-05-30 | 南通林洋电气有限公司 | Novel guide rail type installed single-phase electric energy meter and installation device thereof |
| CN202433993U (en) * | 2011-12-02 | 2012-09-12 | 开封县供电有限责任公司 | One-way prepayment electric energy meter with built-in switch |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157079A (en) * | 2014-09-09 | 2014-11-19 | 江苏海恩德电气有限公司 | Prepayment power control system on basis of non-contact IC card |
| CN108414807A (en) * | 2018-03-15 | 2018-08-17 | 上海燕赵电子科技有限公司 | Single-phase guide rail type takes control intelligent electric energy meter |
| CN108445267A (en) * | 2018-03-15 | 2018-08-24 | 上海燕赵电子科技有限公司 | Three-phase guide rail-type takes control intelligent electric energy meter |
| CN113345166A (en) * | 2020-02-18 | 2021-09-03 | 安科瑞电气股份有限公司 | Guide rail type prepayment electric energy meter |
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Application publication date: 20140212 |