CN113345166A - Guide rail type prepayment electric energy meter - Google Patents
Guide rail type prepayment electric energy meter Download PDFInfo
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- CN113345166A CN113345166A CN202010100237.2A CN202010100237A CN113345166A CN 113345166 A CN113345166 A CN 113345166A CN 202010100237 A CN202010100237 A CN 202010100237A CN 113345166 A CN113345166 A CN 113345166A
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- electric energy
- energy meter
- access module
- guide rail
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/06—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with means for prepaying basic charges, e.g. rent for meters
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Abstract
The invention relates to a guide rail type prepayment electric energy meter, which comprises a guide rail (1), a meter head (2) and a plurality of access modules (3), wherein the meter head (2) and the access modules (3) are arranged on the guide rail (1) in parallel and are sequentially connected, data interaction is carried out between the meter head (2) and the access modules (3) and between the access modules (3), the meter head (2) is used for buying electricity, and the access modules (3) are used for realizing electric quantity metering and arrearage power failure. Compared with the prior art, the invention has the advantages of modularization, high flexibility and the like.
Description
Technical Field
The invention relates to the field of electric energy meters, in particular to a guide rail type prepayment electric energy meter.
Background
The prepayment electric energy is an electric energy meter with prepayment function, a user can use the electricity only by buying the electricity first, and the electricity meter cuts off a power supply and stops using the electricity if the electricity is not continuously bought after the electricity is used up.
The existing prepayment electric energy meter is classified according to the installation mode: guide rail type, wall-mounted;
the wall-mounted prepaid electric energy meter is large in size, is not suitable for centralized installation, and is mainly applied to charging management of residential houses. The guide rail type prepayment electric energy meter is small in size, convenient to install, suitable for centralized installation and applicable to application scenes such as market shops and community property.
With the development of power demand, the market has higher and higher requirements for centrally installed electric meters, and in addition to high centralized installation, convenience in installation and replacement is also required.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a guide rail type prepayment electric energy meter.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a guide tracked prepayment electric energy meter, its characterized in that, this electric energy meter includes guide rail (1), a gauge outfit (2) and a plurality of access module (3), gauge outfit (2) and a plurality of access module (3) parallel install on guide rail (1) and connect gradually, gauge outfit (2) and access module (3) between, carry out data interaction between each access module (3), gauge outfit (2) be used for buying the electricity, access module (3) be used for realizing electric quantity measurement and arrearage outage.
Preferably, the access module (3) is a direct access module, and is used for measuring the accurate measurement of the electric parameters and the power consumption of one directly accessed three-phase loop and realizing the functions of arrearage power failure and overcurrent power failure.
Preferably, the access module (3) is a mutual inductor access module and is used for measuring the accurate measurement of the electric parameters and the electricity consumption of a three-phase loop accessed by two mutual inductors and indirectly controlling a circuit breaker connected with a switching value by controlling the switching value under the condition of arrearage to realize the tripping function.
Preferably, the meter head (2) is connected with the access modules (3) and the access modules (3) are connected through the crystal heads (4).
Preferably, the meter head (2) comprises a first MCU, and a data storage chip, a real-time clock circuit, a key circuit, a switching value input/output circuit, an infrared interface, a radio frequency interface, an RS485 interface and an Ethernet interface which are respectively connected with the first MCU, wherein the infrared interface and the RS485 interface are used for remotely purchasing electricity, and the radio frequency interface is used for reading related data in a radio frequency card to purchase electricity or set parameters.
Preferably, the direct access module comprises a second MCU, and a first metering chip, a first sampling circuit, a first RS485 communication interface, a magnetic latching relay and a first LED indicator lamp which are respectively connected with the second MCU.
Preferably, the number of the first LED indicator lamps is five, and the first LED indicator lamps respectively indicate A, B, C phase voltage states and active pulse and communication states.
Preferably, the transformer access module comprises a third MCU, and two second metering chips, a second sampling circuit, a second RS485 communication interface, four switching value outputs and a second LED indicator lamp which are respectively connected with the third MCU.
Preferably, the number of the second LED indicator lamps is five, and the second LED indicator lamps respectively indicate the power state of two users, the active pulse state of two users and the communication state.
Preferably, the number of the access modules (3) is not more than 12, and the guide rail (1) is a standard 35mm guide rail.
Compared with the prior art, the invention has the following advantages:
1. the size of the meter head, the direct access module and the mutual inductor access module of the electric energy meter is 115 x 72 x 79.5, and the electric energy meter is far smaller than the common guide rail type prepayment electric energy meter.
2. The direct access module can be used as a three-phase direct access prepayment electric meter and can also be used as three one-way prepayment electric meters. One transformer access module can be used as two three-phase transformers to be accessed into a prepayment electric meter for use.
3. The meter head supports the functions of infrared communication, 485 communication and radio frequency read-write card, can remotely buy electricity through 485, and can also buy electricity through swiping the radio frequency card to a connected module.
4. The access module can be any collocation of a direct access module or a mutual inductor access module.
5. The modules of the invention are independent from each other, any one module can be directly detached from the guide rail strip to replace a new module, a new module can be added at the tail end, and the installation distance between the modules can be properly adjusted.
Drawings
Fig. 1 is a schematic structural diagram of the electric energy meter of the present invention.
Wherein 1 is a guide rail, 2 is a gauge outfit, 3 is an access module, and 4 is a crystal head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
As shown in fig. 1, a guide tracked prepayment electric energy meter, this electric energy meter include guide rail 1, a gauge outfit 2 and a plurality of access module 3, gauge outfit 2 and a plurality of access module 3 install in parallel on guide rail 1 and connect gradually, gauge outfit 2 and access module 3 between, carry out data interaction between each access module 3, gauge outfit 2 be used for buying the electricity, access module 3 be used for realizing electric quantity measurement and arrearage outage.
The access module 3 is a direct access module or a mutual inductor access module, and the direct access module is used for measuring the accurate measurement of one path of directly accessed three-phase loop electric parameters and power consumption and realizing the functions of arrearage power failure and overcurrent power failure; the transformer access module is used for measuring the accurate measurement of three-phase circuit electric parameters and power consumption accessed by two mutual inductors, and indirectly controlling a breaker connected with a switching value by controlling the switching value under the condition of arrearage to realize the tripping function.
The meter head 2 is connected with the access modules 3 and the access modules 3 are connected through the crystal heads 4.
The meter head 2 comprises an MCU, a data storage chip, a real-time clock circuit, a key circuit, a switching value input and output circuit, an infrared interface, a radio frequency interface, an RS485 interface and an Ethernet interface, wherein the infrared interface and the RS485 interface are used for remotely purchasing electricity, and the radio frequency interface is used for reading related data in a radio frequency card to purchase electricity or setting parameters.
The direct access module include MCU, measurement chip, sampling circuit, RS485 communication, magnetic latching relay and LED pilot lamp, the LED pilot lamp have 5, indicate A, B, C looks voltage status and active pulse and communication state respectively. The device can realize the accurate measurement of the electric parameters and the electricity consumption of a three-phase circuit which is directly accessed, can realize the functions of arrearage power failure, overcurrent power failure and the like, and can perform data interaction with a meter head and other modules.
The mutual inductor access module include MCU, two measurement, sampling circuit, RS485 communication, 4 ways switching value output and LED pilot lamp, the LED pilot lamp have 5, instruct two families respectively with electric state, two families active pulse state and communication state. The three-phase loop circuit parameter and the electricity consumption accurate measurement that can realize two way mutual-inductors access to can realize the tripping operation function through the indirect control of control switching value and the circuit breaker that the switching value is connected under the arrearage condition.
The number of the access modules 3 is not more than 12. The guide rail 1 is a standard 35mm guide rail.
The gauge outfit, the direct access module and the mutual inductor access module can be parallelly installed on a standard 35mm guide rail for debugging, and the gauge outfit is connected with each module through a crystal head for data interaction. The modules are independent from each other, any one module can be directly detached from the guide rail strip to replace a new module, the tail end of the module can be added with a new module, the crystal head is connected with the last module, and the installation distance between the modules can be properly adjusted.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a guide tracked prepayment electric energy meter, its characterized in that, this electric energy meter includes guide rail (1), a gauge outfit (2) and a plurality of access module (3), gauge outfit (2) and a plurality of access module (3) parallel install on guide rail (1) and connect gradually, gauge outfit (2) and access module (3) between, carry out data interaction between each access module (3), gauge outfit (2) be used for buying the electricity, access module (3) be used for realizing electric quantity measurement and arrearage outage.
2. The guide rail type prepayment electric energy meter according to claim 1, characterized in that the access module (3) is a direct access module for measuring the accurate measurement of the electric parameters and the electricity consumption of a directly accessed three-phase loop and realizing the functions of arrearage power failure and overcurrent power failure.
3. The guide rail type prepayment electric energy meter according to claim 1, characterized in that the access module (3) is a mutual inductor access module for measuring the accurate measurement of the three-phase circuit electric parameters and the electricity consumption accessed by two mutual inductors, and indirectly controlling the breaker connected with the switching value by controlling the switching value under the condition of arrearage to realize the tripping function.
4. A guide tracked prepaid electric energy meter according to claim 1, characterised in that the meter head (2) is connected to the access modules (3) and the access modules (3) are connected by crystal heads (4).
5. The guide rail type prepayment electric energy meter according to claim 1, characterized in that the meter head (2) comprises a first MCU, and a data storage chip, a real-time clock circuit, a key circuit, a switching value input/output circuit, an infrared interface, a radio frequency interface, an RS485 interface and an Ethernet interface which are respectively connected with the first MCU, wherein the infrared interface and the RS485 interface are used for remotely buying electricity, and the radio frequency interface is used for reading related data in a radio frequency card to buy electricity or set parameters.
6. The guide rail type prepayment electric energy meter according to claim 2, characterized in that the direct access module comprises a second MCU, and a first metering chip, a first sampling circuit, a first RS485 communication interface, a magnetic latching relay and a first LED indicator lamp which are respectively connected with the second MCU.
7. The guide tracked prepaid electric energy meter according to claim 6, wherein there are five first LED indicators for indicating A, B, C phase voltage status and active pulse and communication status, respectively.
8. The guide rail type prepayment electric energy meter according to claim 3, characterized in that the mutual inductor access module comprises a third MCU, and two second metering chips, a second sampling circuit, a second RS485 communication interface, four switching value outputs and a second LED indicator lamp which are respectively connected with the third MCU.
9. The guide rail type prepayment electric energy meter according to claim 8, wherein the number of the second LED indicator lamps is five, and the second LED indicator lamps respectively indicate the electricity state of two users, the active pulse state of two users and the communication state.
10. A guide-track type prepaid electric energy meter according to claim 1, characterised in that the number of access modules (3) is not more than 12, and the guide track (1) is a standard 35mm guide track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010100237.2A CN113345166B (en) | 2020-02-18 | 2020-02-18 | Guide rail type prepayment electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010100237.2A CN113345166B (en) | 2020-02-18 | 2020-02-18 | Guide rail type prepayment electric energy meter |
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| CN113345166A true CN113345166A (en) | 2021-09-03 |
| CN113345166B CN113345166B (en) | 2023-07-18 |
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| CN202010100237.2A Active CN113345166B (en) | 2020-02-18 | 2020-02-18 | Guide rail type prepayment electric energy meter |
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| CN208537605U (en) * | 2018-08-03 | 2019-02-22 | 云丁智能科技（北京）有限公司 | A kind of ammeter shell and ammeter |
| CN109406849A (en) * | 2019-01-07 | 2019-03-01 | 江苏安科瑞电器制造有限公司 | A kind of acquisition control module and method of multi-user pre-payment electric energy meter |
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2020
- 2020-02-18 CN CN202010100237.2A patent/CN113345166B/en active Active
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| CN2622712Y (en) * | 2002-12-30 | 2004-06-30 | 天津市申特高新技术开发公司 | Full electronic and multifunctional prefeeing watt-hour meter |
| US6977341B1 (en) * | 2004-08-10 | 2005-12-20 | Gustaveson Ii Ronald Glen | Apparatus for utility outlet control |
| US20080284614A1 (en) * | 2007-05-16 | 2008-11-20 | Square D Company | Modular power monitoring system |
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| Publication number | Publication date |
|---|---|
| CN113345166B (en) | 2023-07-18 |
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