CN205610327U - Mutual power supply unit of self -timing between dual supply ammeter - Google Patents
Mutual power supply unit of self -timing between dual supply ammeter Download PDFInfo
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- CN205610327U CN205610327U CN201620356968.2U CN201620356968U CN205610327U CN 205610327 U CN205610327 U CN 205610327U CN 201620356968 U CN201620356968 U CN 201620356968U CN 205610327 U CN205610327 U CN 205610327U
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- ammeter
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- timing controller
- relay
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Abstract
The utility model discloses a mutual power supply unit of self -timing between dual supply ammeter, including timing controller, two relays, two power transformer and logical decision module, two relays should set up in the power supply loop of two ammeters respectively, the control end of two relays respectively with two control signal output one -to -ones of timing controller are connected, and each power transformer has two direct current electrical output, one of them direct current electrical output with the power end of timing controller and logical decision module is connected, another one direct current electrical output with the input of logical decision module is connected, the output of logical decision module with timing controller's control signal input is connected, and all normally open contact of one of them relay are connected with all normally closed contact one -to -ones of another one relay. This mutual power supply unit of self -timing between dual supply ammeter has saved the manpower, has avoided the artifical potential safety hazard of checking meter and existing.
Description
Technical field
This utility model relates to the mutual electric supply installation of self-timing between a kind of dual power supply electric energy meter.
Background technology
Having a class electricity consumption user in power industry is " dual power supply " user, so-called " dual power supply " user, generally refer to power department provide two identical electric pressures to this kind of user but be not that the power supply of same circuit is powered, two power supplys remove special circumstances and will not have a power failure simultaneously, to reduce the risk having a power failure.Time properly functioning one tunnel run, a road as standby, powers failure if the circuit in Shi Yonging breaks down, can automatically switch to another circuit continuation power.Some important departments broadly fall into greatly this kind of user such as school, hospital, government, tap water, some electricity consumption large user high to power supply quality requirement etc..
The duplex feeding power supply of " dual power supply " user is respectively arranged with a stoichiometric point, is individually separated calculating electricity.The state of a duplex feeding power supply always road uses another road standby, and the metering device being in stand-by power supply state Na mono-road stoichiometric point is all power down mode.
The Utilities Electric Co. in the most a lot of areas achieves all standing of " power information acquisition terminal " the most comprehensively and entirely gathers, the data such as the electric current of electric energy meter, voltage, power, time can be gathered by acquisition terminal after uploading system main website data base, for the clearing electricity charge, calculate line loss, analyze electricity consumption situation and unusual condition.Dual power supply user only has a road to power due to normal condition, and the charging electric meter of an other road power supply did not have electricity on same day account day, and therefore system the most just transfers the data less than the same day, and rate is calculated in impact automatically；And be certain to inside electric energy meter overstock a part of electricity, affect line loss examination.
Way in the past is to take a standby electric energy meter of plant-grid connection in the previous day charge calculation day with wire line terminal row in the middle of using, and account day zero point goes to scene to take off power supply after getting data again, and do so is bothersome arduously the most dangerous.
Summary of the invention
This utility model is in order to solve the existing dual power supply user technical problem to stand-by power supply ammeter's reading meter difficulty, propose the mutual electric supply installation of self-timing between a kind of dual power supply ammeter, can timing within certain time limit on date of checking meter by the ammeter automatic power that current power supply is an other road power supply, meter reading data can be uploaded realizing this ammeter.
In order to solve above-mentioned technical problem, this utility model is achieved by the following technical solutions:
nullThe mutual electric supply installation of self-timing between a kind of dual power supply ammeter，Including timing controller、Two relays、Two mains transformer、And logic judgment module，Said two relay is correspondingly arranged in the current supply circuit of two ammeters respectively，The end two the control signal outfans respectively with described timing controller that control of said two relay connect one to one，Said two mains transformer gathers the voltage in the current supply circuit of two ammeters respectively，And carry out conversion output unidirectional current，Mains transformer is respectively provided with two DC output ends，One of them DC output end is connected with the power end of described timing controller and logic judgment module，Another one DC output end is connected with the input of described logic judgment module，The outfan of described logic judgment module is connected with the control signal input of described timing controller，All normally opened contacts of one of them relay connect one to one with all normally-closed contacts of another one relay.
Further, described logic judgment module is and gate logic judge module.
Further, described electric-controlled switch is connected between the power end of ammeter and voltage transformer.
Compared with prior art, advantage of the present utility model and good effect be: the mutual electric supply installation of self-timing between dual power supply ammeter of the present utility model, by arranging timing controller and relay, timing controller can be in the conducting state setting in the time limit relay corresponding to ammeter that control not power, and then the power supply that can control currently to power provides power supply for ammeter of not powering, to realize it is checked meter, save manpower, it is to avoid the potential safety hazard that manual metering exists.
After reading in conjunction with the accompanying the detailed description of this utility model embodiment, other features of the present utility model and advantage will become clearer from.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of embodiment circuit theory diagrams of the mutual electric supply installation of self-timing between the dual power supply ammeter that this utility model is proposed.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
nullEmbodiment one，The present embodiment proposes the mutual electric supply installation of self-timing between a kind of dual power supply ammeter，As shown in Figure 1，Including timing controller、Two relays、Two mains transformer、And logic judgment module，Two relays are respectively the first relay K 1 and the second relay K 2，Said two relay is correspondingly arranged in the current supply circuit of two ammeter D1 and D2 respectively，The end two the control signal outfans respectively with described timing controller that control of two relays connect one to one，Said two mains transformer gathers the voltage in the current supply circuit of two ammeters respectively，And carry out conversion output unidirectional current，Each mains transformer has two DC output ends，One of them DC output end is connected with the power end of described timing controller and logic judgment module，For powering for timing controller and logic judgment module，Another one DC output end is connected with the input of described logic judgment module，The outfan of described logic judgment module is connected with the control signal input of described timing controller，This logic judgment module is for judging "on" position in two ammeter current supply circuits，When two current supply circuits have electricity simultaneously，Then explanation Control mistake，Logic judgment module outputs control signals to timing controller，And then controlled relay recovery to normal condition by timing controller，All normally opened contacts of one of them relay connect one to one with all normally-closed contacts of another one relay，Otherwise，All normally-closed contacts of this relay connect one to one with all normally opened contacts of another one relay.Between this dual power supply ammeter, the principle of the mutual electric supply installation of self-timing is: during normal power supply state, the current supply circuit of the ammeter on only one tunnel there is electricity, by arranging timing controller, within the setting time period on date of checking meter, timing controller control the not power relay contact in loop, ammeter place switches to an other duty, the current supply circuit realized and have electricity is connected, therefore, the ammeter do not powered has voltage input, and then can work, data in its table are uploaded, to realize it is checked meter, save manpower, avoid the potential safety hazard that manual metering exists.
Logic judgment module is for judging that the current supply circuit of two-way ammeter has electricity the most simultaneously, therefore, in the present embodiment, the most described logic judgment module is and gate logic judge module, when the current supply circuit of two-way ammeter has electricity the most simultaneously, with gate logic judge module output high level to timing controller, the control that timing controller and then execution are correlated with, such as, two relay power down are controlled so that it is contact is reset to normality.
In the current supply circuit of ammeter, need to arrange voltage transformer, for by high-tension electricity blood pressure lowering, power for ammeter, therefore, the electric-controlled switch described in the present embodiment is connected between the power end of ammeter and voltage transformer, to reach the conducting state effectively controlling ammeter with voltage transformer out-put supply.
Certainly; described above is not to restriction of the present utility model; this utility model is also not limited to the example above, change that those skilled in the art are made in essential scope of the present utility model, retrofits, adds or replaces, and also should belong to protection domain of the present utility model.
Claims (3)
- null1. the mutual electric supply installation of self-timing between a dual power supply ammeter，It is characterized in that: include timing controller、Two relays、Two mains transformer、And logic judgment module，Said two relay is correspondingly arranged in the current supply circuit of two ammeters respectively，The end two the control signal outfans respectively with described timing controller that control of said two relay connect one to one，Said two mains transformer gathers the voltage in the current supply circuit of two ammeters respectively，And carry out conversion output unidirectional current，Each mains transformer has two DC output ends，One of them DC output end is connected with the power end of described timing controller and logic judgment module，Another one DC output end is connected with the input of described logic judgment module，The outfan of described logic judgment module is connected with the control signal input of described timing controller，All normally opened contacts of one of them relay connect one to one with all normally-closed contacts of another one relay.
- The mutual electric supply installation of self-timing between dual power supply ammeter the most according to claim 1, it is characterised in that: described logic judgment module is and gate logic judge module.
- The mutual electric supply installation of self-timing between dual power supply ammeter the most according to claim 1 and 2, it is characterised in that: described relay is connected between the power end of ammeter and voltage transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620356968.2U CN205610327U (en) | 2016-04-26 | 2016-04-26 | Mutual power supply unit of self -timing between dual supply ammeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620356968.2U CN205610327U (en) | 2016-04-26 | 2016-04-26 | Mutual power supply unit of self -timing between dual supply ammeter |
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| Publication Number | Publication Date |
|---|---|
| CN205610327U true CN205610327U (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620356968.2U Expired - Fee Related CN205610327U (en) | 2016-04-26 | 2016-04-26 | Mutual power supply unit of self -timing between dual supply ammeter |
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| CN (1) | CN205610327U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064620A (en) * | 2017-03-15 | 2017-08-18 | 国网安徽省电力公司阜阳供电公司 | The full acquisition technique of dual power supply user's electric energy meter |
| CN107276217A (en) * | 2017-08-08 | 2017-10-20 | 安徽能测能控科技有限公司 | A kind of combined connection box of dual power supply electric quantity acquisition |
| CN112018874A (en) * | 2020-08-25 | 2020-12-01 | 北京科东电力控制系统有限责任公司 | Dual-power supply monitoring device and system |
-
2016
- 2016-04-26 CN CN201620356968.2U patent/CN205610327U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064620A (en) * | 2017-03-15 | 2017-08-18 | 国网安徽省电力公司阜阳供电公司 | The full acquisition technique of dual power supply user's electric energy meter |
| CN107276217A (en) * | 2017-08-08 | 2017-10-20 | 安徽能测能控科技有限公司 | A kind of combined connection box of dual power supply electric quantity acquisition |
| CN107276217B (en) * | 2017-08-08 | 2024-02-27 | 安徽能测能控科技有限公司 | Combined junction box for collecting electric quantity of dual power supply |
| CN112018874A (en) * | 2020-08-25 | 2020-12-01 | 北京科东电力控制系统有限责任公司 | Dual-power supply monitoring device and system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20180426 |