CN203561662U - Three-phase guiderail-installation-type ammeter - Google Patents
Three-phase guiderail-installation-type ammeter Download PDFInfo
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- CN203561662U CN203561662U CN201320779015.3U CN201320779015U CN203561662U CN 203561662 U CN203561662 U CN 203561662U CN 201320779015 U CN201320779015 U CN 201320779015U CN 203561662 U CN203561662 U CN 203561662U
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- 238000009434 installation Methods 0.000 claims abstract description 38
- 238000005070 sampling Methods 0.000 claims description 28
- 238000002955 isolation Methods 0.000 claims description 19
- 239000003990 capacitor Substances 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 9
- 238000009830 intercalation Methods 0.000 claims description 4
- 230000002687 intercalation Effects 0.000 claims description 4
- 238000005286 illumination Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
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Abstract
The utility model provides a three-phase guiderail-installation-type ammeter which includes a base provided with a left side wall, a right side wall, a rear side wall and a bottom wall. A guiderail installation groove, the bottom part of which is wider than an opening, is arranged on the outer side of the bottom wall of the base. A clamp board is installed cooperatively in the guiderail installation groove. A power panel and a mainboard are arranged sequentially in the base. A circuit and button board is arranged on the mainboard. The power panel is provided with a power module. The power panel is electrically connected with the mainboard. A junction box is embedded into an opening at the front side of the base. The front end of the junction box is provided with a plurality of wiring holes. The rear end of the junction box is connected with the power panel and the mainboard. A cover cap is installed on the base. A cover plate is installed on the front and rear side walls of the cover cap. A face plate is arranged on the cover cap. Buttons extend out from the face plate. The ammeter is reasonable in overall structural design, smaller in size and capable of being installed in a distribution box or an illumination box in perfect cooperation with a minisize circuit breaker. The ammeter is clamped directly on a guiderail directly through the clamp board during installation so that installation is significantly convenient.
Description
Technical field
The utility model relates to a kind of three-phase guide rail installation type ammeter.Belong to technical field of power systems.
Background technology
Along with economic develop rapidly, all trades and professions are increasing to electric demand, and electric power resource is in short supply and the unbalanced phenomenon of different time power consumption is still serious.For alleviating the increasingly sharp-pointed imbalance between power supply and demand of China, improve that electricity consumption is unbalanced, the power consumption of advocating thriftiness, improve national power consumption efficiency, rationally utilize electric power resource to become one of current fundamental state policy of building a harmonious society.The consumption of electric energy concentrates on low-voltage distribution terminal in a large number, in order to strengthen metering examination and the management of terminal electric energy, user friendly on-the-spot use, transformation and upgrading, need to do further improvement to the controller switching equipment of electric network terminal, the installation of terminal electric energy meter at present generally adopts the hanging mounting means of conventional wall, exist volume large, inconvenient shortcoming is installed, be unfavorable for changing, extending of existing building design.And guide rail installation type ammeter adopts the guide tracked installation of standard DIN35mm, structural moduleization design, there is volume little, easily install, the advantages such as easy networking, be easy to be used in conjunction with and be arranged in headstock, panel box with miniature circuit breaker, can realize in the prerequisite of not changing existing distribution system structure the transformation of terminal system metering separate.Be applicable to the metering separate to electric energy in government bodies and large-scale Gongjian, also can be used for enterprises and institutions and do electric energy management examination.
Utility model content
For this reason, technical problem to be solved in the utility model is that the package assembly of existing ammeter is unreasonable, and volume is larger, is not easy to install, thereby proposes a kind of three-phase guide rail installation type ammeter.
For solving the problems of the technologies described above, the technical solution of the utility model is as follows:
A kind of three-phase guide rail installation type ammeter, comprise there is left side wall, the base of right side wall, rear wall and diapire, the bottom wall outer of described base is provided with the guide rails assembling groove that bottom is wider than opening, coordinates clamp is installed, for described ammeter is stuck in to guide rail in described guide rails assembling groove; In described base, set gradually power panel, mainboard, be provided with circuit and keypad on described mainboard, described power panel is provided with power module, and described power panel and described mainboard are electrically connected to; Terminal box intercalation is at the front openings place of described base, and the front end of described terminal box is provided with a plurality of wiring holes, and the rear end of described terminal box is connected with described mainboard with described power panel; Cover cap is installed above described base, and before and after described cover cap, sidewall is provided with cover plate, and described cover cap top is installed on panel, and button stretches out from described panel.
The two ends of described cover plate are provided with hook-shaped web member.
Described panel is provided with the bar hole of button installation.
Described three-phase guide rail installation type ammeter also comprises light-guiding pillar, and described light-guiding pillar inserts in the default light-conductive hole of described cover cap, and the top of described light-guiding pillar is concordant with described cover cap.
On described panel, be provided with display window, described display window is corresponding with described light-guiding pillar and display module.
Described circuit comprises display module, processor, memory module, RS485 communication module, infrared communication module, switching value output module, the switching input module being connected with described power module respectively, three-phase voltage sample circuit is electrically connected to described power module and described processor respectively, three-phase current sample circuit is connected with described processor by isolation sensor, pulse output module, clock module, multi-functional output module and memory module are connected with described processor, and described clock module is connected with described multi-functional output module.
Described three-phase current sample circuit comprises A phase current sampling circuit, B phase current sampling circuit, C phase current sampling circuit, and described A phase current sampling circuit, B phase current sampling circuit are identical with the circuit structure of C phase current sampling circuit.
Described A phase current sampling circuit comprises resistance R 100, R101, R102, R103, capacitor C 100, C101, described resistance R 101, one end of R100 is connected with the inlet wire of measuring circuit A phase, described resistance R 102, one end of resistance R 103 is connected with the outlet of described measuring circuit A phase, described resistance R 101, the other end of R102 and described capacitor C 100, one end common ground of C101, the other end of the other end of described resistance R 100 and described capacitor C 100 is connected with the first sampling end of described isolation sensor, the other end of described resistance R 103, the other end of described capacitor C 101 is connected with the second sampling end of described isolation sensor.
Described isolation sensor is transferred to described processor by the current signal detecting by pulse transformer.
Described processor is system level chip.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) the utility model provides a kind of three-phase guide rail installation type ammeter, comprise there is left side wall, the base of right side wall, rear wall and diapire, the bottom wall outer of described base is provided with the guide rails assembling groove that bottom is wider than opening, in described guide rails assembling groove, coordinate clamp is installed, for described ammeter is stuck in to guide rail; In described base, set gradually power panel, mainboard, be provided with circuit and keypad on described mainboard, described power panel is provided with power module, and described power panel and described mainboard are electrically connected to; Terminal box intercalation is at the front openings place of described base, and the front end of described terminal box is provided with a plurality of wiring holes, and the rear end of described terminal box is connected with described mainboard with described power panel; Cover cap is installed above described base, and before and after described cover cap, sidewall is provided with cover plate, and described cover cap top is installed on panel, and button stretches out from described panel.General structure design compact and reasonable, make the volume of three-phase guide rail installation type ammeter less, profile is exquisite, can be arranged on panel box with miniature circuit breaker perfect cooperation or lighting case is inside, the bottom wall outer of described base is provided with guide rails assembling groove, in described guide rails assembling groove, coordinate clamp is installed, directly by described clamp, be stuck on guide rail when mounted, it is very convenient to install.
(2) the utility model provides a kind of three-phase guide rail installation type ammeter, also comprise light-guiding pillar, described light-guiding pillar inserts in the default light-conductive hole of described cover cap, the top of described light-guiding pillar is concordant with described cover cap, for showing the duty of described ammeter, by light-guiding pillar, the light beam of pilot lamp is transferred to Display panel window from motherboard circuit, makes light beam more concentrated, keep higher brightness.
(3) the utility model provides a kind of three-phase guide rail installation type ammeter, described circuit comprises the display module being connected with described power module respectively, processor, memory module, RS485 communication module, infrared communication module, switching value output module, switching input module, three-phase voltage sample circuit is electrically connected to described power module and described processor respectively, three-phase current sample circuit is connected with described processor by isolation sensor, pulse output module, clock module, multi-functional output module is connected with described processor with memory module, described clock module is connected with described multi-functional output module.A plurality of functional modules are integrated on a circuit main board, multiple functional, and compact conformation, by the configuration of modules, has been realized flexibly to a plurality of electric parameter measurements.
(4) the utility model provides a kind of three-phase guide rail installation type ammeter, and described three-phase current sample circuit adopts difference channel structure, has increased shunting pressure limiting resistance simultaneously, makes the compatibility of power supply better, and the stability of the data of acquisition is higher.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the structural representation of a kind of three-phase guide rail installation type ammeter of an embodiment of the utility model;
Fig. 2 is the motherboard circuit block diagram of a kind of three-phase guide rail installation type ammeter of an embodiment of the utility model;
Fig. 3 is the three-phase current sample circuit figure of a kind of three-phase guide rail installation type ammeter of an embodiment of the utility model.
In figure, Reference numeral is expressed as: 1-button, 2-panel, 3-cover plate, 4-light-guiding pillar, 5-cover cap, 6-screw, 7-button panel, 8-mainboard, 9-power panel, 10-terminal box, 11-base, 12-clamp.
Embodiment
embodiment mono-
The present embodiment provides a kind of three-phase guide rail installation type ammeter, its structure is referring to Fig. 1, the base 11 with left side wall, right side wall, rear wall and diapire, the bottom wall outer of described base 11 is provided with the guide rails assembling groove that bottom is wider than opening, in described guide rails assembling groove, coordinate clamp 12 is installed, for described ammeter is stuck in to guide rail; In described base 11, set gradually power panel 9, mainboard 8, be provided with circuit and keypad 7 on described mainboard 8, described power panel 9 is provided with power module, and described power panel 9 and described mainboard 8 are electrically connected to; Terminal box 10 intercalations are at the front openings place of described base 11, and the front end of described terminal box 10 is provided with a plurality of wiring holes, and the rear end of described terminal box 10 is connected with described mainboard 8 with described power panel 9; Cover cap 5 is installed above described base 11, fixing with M3 screw 6, described cover cap 5 front and back sidewalls are provided with cover plate 3, described cover cap 5 tops are installed on panel 2, button 1 stretches out from described panel 2, described panel 2 is provided with the bar hole of button installation, for by outside described button 1 extending panel 2.The two ends of described cover plate 3 are provided with " hook " shape web member, for described cover plate 3 being fixedly connected on to the sidewall of described cover cap 5.On described panel 2, be provided with display window, described display window is corresponding with described light-guiding pillar 4 and display module.
As preferred embodiment, described three-phase guide rail installation type ammeter also comprises light-guiding pillar 4, described light-guiding pillar 4 inserts in the default light-conductive hole of described cover cap 5, the top of described light-guiding pillar is concordant with described cover cap 5, for showing the duty of described ammeter, by light-guiding pillar, the light beam of pilot lamp is transferred to Display panel window from motherboard circuit, makes light beam more concentrated, keep higher brightness.
The three-phase guide rail installation type ammeter that the present embodiment provides, general structure design compact and reasonable, make the volume of three-phase guide rail installation type ammeter less, profile is exquisite, can be arranged on panel box with miniature circuit breaker perfect cooperation or lighting case is inside, the bottom wall outer of described base is provided with guide rails assembling groove, in described guide rails assembling groove, coordinates clamp is installed, directly by described clamp, be stuck on guide rail when mounted, it is very convenient to install.
embodiment bis-
The present embodiment is on the basis of embodiment mono-, referring to Fig. 2-Fig. 3, described circuit comprises the display module being connected with described power module respectively, processor, memory module, RS485 communication module, infrared communication module, switching value output module, switching input module, three-phase voltage sample circuit is electrically connected to described power module and described processor respectively, three-phase current sample circuit is connected with described processor by isolation sensor, pulse output module, clock module, multi-functional output module is connected with described processor with memory module, described clock module is connected with described multi-functional output module, a plurality of functional modules are integrated on a circuit main board, multiple functional, compact conformation, by the configuration of modules, realized flexibly a plurality of electric parameter measurements.
Described three-phase current sample circuit comprises A phase current sampling circuit, B phase current sampling circuit, C phase current sampling circuit, and described A phase current sampling circuit, B phase current sampling circuit are identical with the circuit structure of C phase current sampling circuit.Referring to Fig. 1, connection jaws 1, connection jaws 3 are respectively A phase current incoming end and A phase current picks out end, connection jaws 4, connection jaws 6 are respectively B phase current incoming end and B phase current picks out end, connection jaws 7, connection jaws 9 are respectively C phase current incoming end and C phase current picks out end, and connection jaws 10, connection jaws 12 are respectively N phase current incoming end and N phase current picks out end.
In the present embodiment, the A phase current sampling circuit of take describes as example, as shown in Figure 3, described A phase current sampling circuit comprises resistance R 100, R101, R102, R103, capacitor C 100, C101, described resistance R 101, one end of R100 is connected with the inlet wire of measuring circuit A phase, described resistance R 102, one end of resistance R 103 is connected with the outlet of described measuring circuit A phase, described resistance R 101, the other end of R102 and described capacitor C 100, one end common ground of C101, the other end of the other end of described resistance R 100 and described capacitor C 100 is connected with the first sampling end of described isolation sensor 71M6103, the other end of described resistance R 103, the other end of described capacitor C 101 is connected with the second sampling end of described isolation sensor 71M6103.Described isolation sensor 71M6103 is transferred to described processor by the current signal detecting by pulse transformer TC100.
In the present embodiment, described processor is system level chip 71M6543.In other embodiments, described processor can select to realize the microprocessor chip of identical function.
Described three-phase current sample circuit adopts isolation current sensor to sample to current signal, that isolation current sensor adopts is 71M6103, 71M6103 has the special use isolation current sensor that current measurement errors is less than 0.1% in 2000:1 dynamic range, that shunt adopts is (100 ± 5) μ Ω, temperature is floated and is less than 50ppm/ ℃, current signal is converted into voltage signal through shunt, through difference channel, input to 6 of isolation current sensor, 7 pin, isolation current sensor 71M6103 can change into the signal collecting accurately corresponding digital signal and through pulse transformer, be transferred to the built-in CE computing engines of processor, isolation current sensor 71M6103, except accurately gathering all right collecting temperature of electric current, can obtain by the communication between processor and 71M6103 the temperature that 71M6103 collects, and can be used for the temperature compensation of current return.
The three-phase guide rail installation type ammeter that the present embodiment provides, described three-phase current sample circuit adopts difference channel structure, has increased shunting pressure limiting resistance simultaneously, makes the compatibility of power supply better, and the stability of the data of acquisition is higher.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And the apparent variation of being extended out thus or change are still among the protection domain in the invention.
Claims (10)
1. a three-phase guide rail installation type ammeter, it is characterized in that, comprise there is left side wall, the base (11) of right side wall, rear wall and diapire, the bottom wall outer of described base (11) is provided with the guide rails assembling groove that bottom is wider than opening, in described guide rails assembling groove, coordinate clamp (12) is installed, for described ammeter is stuck in to guide rail; In described base (11), set gradually power panel (9), mainboard (8), be provided with circuit and keypad (7) on described mainboard (8), described power panel (9) is provided with power module, and described power panel (9) and described mainboard (8) are electrically connected to; Terminal box (10) intercalation is at the front openings place of described base (11), and the front end of described terminal box (10) is provided with a plurality of wiring holes, and the rear end of described terminal box (10) is connected with described mainboard (8) with described power panel (9); In the top of described base (11), cover cap (5) is installed, before and after described cover cap (5), sidewall is provided with cover plate (3), and described cover cap (5) top is installed on panel (2), and button (1) stretches out from described panel (2).
2. three-phase guide rail installation type ammeter according to claim 1, is characterized in that, the two ends of described cover plate (3) are provided with hook-shaped web member.
3. three-phase guide rail installation type ammeter according to claim 1 and 2, is characterized in that, described panel (2) is provided with the bar hole of button installation.
4. three-phase guide rail installation type ammeter according to claim 3, is characterized in that, also comprises light-guiding pillar (4), and described light-guiding pillar (4) inserts in the default light-conductive hole of described cover cap (5), and the top of described light-guiding pillar is concordant with described cover cap (5).
5. three-phase guide rail installation type ammeter according to claim 4, is characterized in that, described panel is provided with display window on (2), and described display window is corresponding with described light-guiding pillar (4) and display module.
6. three-phase guide rail installation type ammeter according to claim 1, it is characterized in that, described circuit comprises the display module being connected with described power module respectively, processor, memory module, RS485 communication module, infrared communication module, switching value output module, switching input module, three-phase voltage sample circuit is electrically connected to described power module and described processor respectively, three-phase current sample circuit is connected with described processor by isolation sensor, pulse output module, clock module, multi-functional output module is connected with described processor with memory module, described clock module is connected with described multi-functional output module.
7. three-phase guide rail installation type ammeter according to claim 6, it is characterized in that, described three-phase current sample circuit comprises A phase current sampling circuit, B phase current sampling circuit, C phase current sampling circuit, and described A phase current sampling circuit, B phase current sampling circuit are identical with the circuit structure of C phase current sampling circuit.
8. three-phase guide rail installation type ammeter according to claim 7, it is characterized in that, described A phase current sampling circuit comprises resistance R 100, R101, R102, R103, capacitor C 100, C101, described resistance R 101, one end of R100 is connected with the inlet wire of measuring circuit A phase, described resistance R 102, one end of resistance R 103 is connected with the outlet of described measuring circuit A phase, described resistance R 101, the other end of R102 and described capacitor C 100, one end common ground of C101, the other end of the other end of described resistance R 100 and described capacitor C 100 is connected with the first sampling end of described isolation sensor, the other end of described resistance R 103, the other end of described capacitor C 101 is connected with the second sampling end of described isolation sensor.
9. three-phase guide rail installation type ammeter according to claim 8, is characterized in that, described isolation sensor is transferred to described processor by the current signal detecting by pulse transformer.
10. according to the three-phase guide rail installation type ammeter described in claim 1 or 2 or 6 or 7 or 8 or 9, it is characterized in that, described processor is system level chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320779015.3U CN203561662U (en) | 2013-11-29 | 2013-11-29 | Three-phase guiderail-installation-type ammeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320779015.3U CN203561662U (en) | 2013-11-29 | 2013-11-29 | Three-phase guiderail-installation-type ammeter |
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| Publication Number | Publication Date |
|---|---|
| CN203561662U true CN203561662U (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320779015.3U Expired - Lifetime CN203561662U (en) | 2013-11-29 | 2013-11-29 | Three-phase guiderail-installation-type ammeter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880590A (en) * | 2015-06-25 | 2015-09-02 | 山东钢铁股份有限公司 | Ammeter and electric quantity monitoring system |
| CN105606857A (en) * | 2015-12-24 | 2016-05-25 | 华立科技股份有限公司 | Near-infrared communication and pulse lamp integrated power meter |
| CN106405173A (en) * | 2015-07-31 | 2017-02-15 | 上海广合电气有限公司 | Guide rail type single-phase prepaid electric energy meter |
| CN106408771A (en) * | 2015-07-31 | 2017-02-15 | 上海广合电气有限公司 | Guide rail-type three-phase four-wire prepaid electric energy meter |
-
2013
- 2013-11-29 CN CN201320779015.3U patent/CN203561662U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880590A (en) * | 2015-06-25 | 2015-09-02 | 山东钢铁股份有限公司 | Ammeter and electric quantity monitoring system |
| CN106405173A (en) * | 2015-07-31 | 2017-02-15 | 上海广合电气有限公司 | Guide rail type single-phase prepaid electric energy meter |
| CN106408771A (en) * | 2015-07-31 | 2017-02-15 | 上海广合电气有限公司 | Guide rail-type three-phase four-wire prepaid electric energy meter |
| CN105606857A (en) * | 2015-12-24 | 2016-05-25 | 华立科技股份有限公司 | Near-infrared communication and pulse lamp integrated power meter |
| CN105606857B (en) * | 2015-12-24 | 2018-06-12 | 华立科技股份有限公司 | A kind of near-infrared communication and flashlight integral type electric energy meter |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |