CN113311202A - Guide rail meter - Google Patents
Guide rail meter Download PDFInfo
- Publication number
- CN113311202A CN113311202A CN202110713768.3A CN202110713768A CN113311202A CN 113311202 A CN113311202 A CN 113311202A CN 202110713768 A CN202110713768 A CN 202110713768A CN 113311202 A CN113311202 A CN 113311202A
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- China
- Prior art keywords
- relay
- terminal
- electric power
- forceful electric
- power terminal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a guide rail meter, which aims to be provided with a first insulating baffle plate to separate a relay from a short-circuit copper bar and realize the insulating isolation of a zero line and a live wire, and the technical scheme is as follows: the utility model provides a guide rail meter, includes epitheca and inferior valve, one end in the inferior valve is equipped with forceful electric power terminal row, and the other end is equipped with weak current terminal row, be equipped with 4 terminal grooves of mutual isolation in the forceful electric power terminal row, the terminal inslot is equipped with the forceful electric power terminal, divide into 2 hot wire grooves and 2 zero wire grooves with 4 terminal grooves in proper order along the length direction of forceful electric power terminal row, still includes relay, short circuit copper bar, the output conducting strip and the input conducting strip of relay wear to establish respectively in 2 hot wire grooves and be connected with the forceful electric power terminal electricity, the both ends of short circuit copper bar are worn to establish respectively and are connected with the forceful electric power terminal electricity in 2 zero wire grooves, be equipped with first insulation baffle between relay and the short circuit copper bar, belong to electric energy meter technical field.
Description
Technical Field
The invention belongs to the technical field of electric energy meters, and particularly relates to a guide rail meter.
Background
The guide rail meter is an electric energy meter installed by using guide rails, is small in size, convenient to install and good in reliability, and is suitable for most electric meter management systems.
CN210894457U discloses a guide rail type electric energy meter shell, which comprises a lower shell, a conductive plate, a terminal base and an upper cover, the lower shell is provided with a strong current inlet side and a weak current outlet side, the weak current outlet side is provided with a complete side wall which forms an integrated structure with the lower shell, a plurality of terminal grooves are formed at the inner side positions of the whole side wall, the terminal seat is adapted in the terminal grooves, an insulating partition plate is formed between every two adjacent terminal grooves, a transverse connecting plate is formed at the position close to the lower part of the insulating partition plate, a lateral socket of a terminal groove is formed above the transverse connecting plate, a mounting column extending upwards in the longitudinal direction is arranged on a bottom plate of the lower shell, the conductive plate is inserted into the terminal seat through the lateral socket, and the lateral side of the whole side wall is provided with a lateral wire inlet communicated with the terminal groove.
In the guide rail type electric energy transformer shell, the insulating partition plates are arranged between the terminal grooves, but the live wire conducting plates and the zero line conducting plates are not insulated and isolated, so that capacitive current is easily generated, and potential safety hazards are caused.
Therefore, the technical problems to be solved by the application are as follows: how to insulate and isolate the live wire conductive plate and the zero wire conductive plate.
Disclosure of Invention
The invention mainly aims to provide a guide rail meter, which aims to be provided with a first insulating baffle plate to separate a relay from a short-circuit copper strip and realize the insulating isolation of a zero line and a live line.
According to a first aspect of the invention, the invention provides a guide rail meter, which comprises an upper shell and a lower shell, wherein one end in the lower shell is provided with a strong current terminal strip, the other end in the lower shell is provided with a weak current terminal strip, 4 mutually isolated terminal slots are arranged in the strong current terminal strip, strong current terminals are arranged in the terminal slots, the 4 terminal slots are sequentially divided into 2 live wire slots and 2 zero wire slots along the length direction of the strong current terminal strip, the guide rail meter further comprises a relay and a short circuit copper bar, an output conducting strip and an input conducting strip of the relay are respectively arranged in the 2 live wire slots in a penetrating manner to be electrically connected with a strong current terminal, two ends of the short circuit copper bar are respectively arranged in the 2 zero wire slots in a penetrating manner to be electrically connected with the strong current terminal, and a first insulation baffle is arranged between the relay and the short circuit copper bar.
In a specific embodiment of the invention, a base is arranged at the bottom of the strong-current terminal row, the first insulating baffle is arranged on the base, the first insulating baffle extends to the strong-current terminal row to divide the base into two areas, and the relay and the short-circuit copper bar are respectively fixed in the two areas.
In a specific embodiment of the invention, a second insulating baffle is arranged on the base, and the second insulating baffle extends to the first insulating baffle to surround the short-circuit copper strip.
In a specific embodiment of the present invention, the high voltage terminal strip and the relay are connected to the bottom plate by a snap-fit manner.
In a specific embodiment of the invention, a mutual inductor is arranged on the output conducting strip of the relay.
In a specific embodiment of the present invention, the top of the heavy current terminal row is provided with a locking hole corresponding to the terminal groove, the upper shell is provided with an opening, and the opening is provided with a lead sealing cover for covering the locking hole.
In a specific embodiment of the present invention, a main control module is disposed in the lower case, and the strong current terminal strip and the weak current terminal strip are respectively connected to the main control module.
In a specific embodiment of the present invention, an SIM card communication module is disposed in the upper case, an interface for inserting and taking an SIM card is disposed on the upper case, and the SIM card communication module is connected to the main control module.
In a specific embodiment of the present invention, an SMA antenna, an infrared receiver, and an infrared transmitter are disposed on the upper case, and the SMA antenna, the infrared receiver, and the infrared transmitter are respectively connected to the main control module.
In a specific embodiment of the present invention, the upper case is provided with a liquid crystal display, a plurality of indicator lights, and a plurality of keys, and the liquid crystal display, the indicator lights, and the keys are respectively connected to the main control module.
One of the above technical solutions of the present invention has at least one of the following advantages or beneficial effects:
in practical application, 2 live wire slots are respectively used as a live wire input end and a live wire output end, the opening and closing of the live wire are controlled through a relay, and 2 zero wire slots are connected in series through a short-circuit copper bar to keep the zero wire to be communicated;
according to the invention, the first insulating baffle is arranged between the short-circuit copper strip and the relay, so that capacitive current is prevented from being generated between the short-circuit copper strip and the conducting strip of the relay, the insulation isolation of a zero line and a live line is realized, and the safety performance of the guide rail meter is improved.
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
FIG. 1 is a perspective view of the structure of a first embodiment of the present invention;
FIG. 2 is a perspective view of another construction of the first embodiment of the present invention;
FIG. 3 is a perspective view of the first embodiment of the present invention with the upper shell removed;
fig. 4 is a perspective view of the first embodiment of the present invention with the upper case, the main control module, the weak-current terminal block, and the lower case removed.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, and may be, for example, a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other elements or indirectly connected through one or more other elements or in an interactive relationship between two elements.
The following disclosure provides many different embodiments, or examples, for implementing different aspects of the invention.
Referring to fig. 1 to 4, in one embodiment of the present invention, a track gauge includes an upper case 1 and a lower case 2, one end of the lower case 2 is provided with a strong current terminal strip 3, the other end of the lower case is provided with a weak current terminal strip 4, 4 terminal slots 31 are arranged in the strong current terminal strip 3 and are isolated from each other, a strong current terminal is arranged in the terminal slot 31, and the 4 terminal slots 31 are sequentially divided into 2 live wire slots and 2 zero wire slots along the length direction of the strong current terminal strip 3;
the relay is characterized by further comprising a relay 32 and a short-circuit copper bar 33, wherein an output conducting strip and an input conducting strip of the relay 32 are respectively arranged in 2 live wire grooves in a penetrating mode and electrically connected with a strong current terminal, two ends of the short-circuit copper bar 33 are respectively arranged in 2 zero wire grooves in a penetrating mode and electrically connected with the strong current terminal, in practical application, 2 live wire grooves are respectively used as a live wire input end and a live wire output end, the relay 32 is used for controlling the opening and closing of a live wire, and 2 zero wire grooves are connected in series through the short-circuit copper bar 33 to keep the penetration of a zero wire;
according to the invention, the first insulating baffle 34 is arranged between the short-circuit copper strip 33 and the relay 32, so that capacitive current is prevented from being generated between the short-circuit copper strip 33 and the conducting strip of the relay 32, the insulation isolation of a zero line and a live line is realized, and the safety performance of the guide rail meter is improved.
In this embodiment, the upper casing 1 and the lower casing 2 can be buckled together in a buckling manner, the bottom of the lower casing 2 is provided with a clamping groove 21 for clamping the peripheral guide rail, and one side of the clamping groove 21 is provided with an elastically telescopic jacking block 22 for abutting against the peripheral guide rail.
Particularly, the bottom of forceful electric power terminal row 3 is equipped with base 35, first insulation baffle 34 sets up on base 35, first insulation baffle 34 extends to and separates into two regions with base 35 on forceful electric power terminal row 3, relay 32 and short circuit copper bar 33 are fixed respectively in two regions, the volume of guide rail table is generally all smaller, the inner space of inferior valve 2 is just narrower and narrower, be unfavorable for developing the installation work in inside, so set up base 35 and make things convenient for the installation of short circuit copper bar 33 and relay 32, treat that short circuit copper bar 33 and relay 32 all fix the back on base 35, forceful electric power terminal row 3 takes base 35 to install in inferior valve 2 together again.
Preferably, a second insulating baffle 36 is arranged on the base 35, and the second insulating baffle 36 extends to the first insulating baffle 34 to surround the short-circuit copper bar 33, so that the short-circuit copper bar 33 is completely surrounded on the periphery, and a good insulating and shielding effect is achieved.
Preferably, the strong electric terminal strip 3 and the relay 32 are connected with the bottom plate in a snap-fit manner, which is beneficial to installation.
Preferably, an output conducting strip of the relay 32 is provided with a transformer 37, as a specific expression of this embodiment, the transformer 37 is a feedthrough transformer 37, and the installation is convenient.
In the specific embodiment, the strong current terminals in the strong current terminal row 3 are assembled, then the short-circuit copper bar 33 and the relay 32 are installed on the base 35, when the relay 32 is installed, the mutual inductor 37 is sleeved on the output conductive sheet of the relay 32, then the strong current terminal row 3 and the base 35 are installed together to form an assembly, and finally the assembly is installed in the lower shell 2.
In a specific embodiment of the present invention, the top of the strong current terminal row 3 is provided with a locking hole corresponding to the terminal groove 31, the cable in the terminal groove 31 and the strong current terminal are locked together through the locking hole, the upper shell 1 is provided with an opening through which the locking hole is exposed, and in order to prevent a user from connecting or disconnecting wires privately, the opening is provided with a lead sealing cover 11 for covering the locking hole; the lead cover 11 may be in the form of an up-down flip cover or a sliding cover.
In a specific embodiment of the present invention, a main control module 5 is disposed in the lower casing 2, and the strong current terminal strip 3 and the weak current terminal strip 4 are respectively connected to the main control module 5; the strong current terminal strip 3 can supply power to the main control module 5, and the weak current terminal strip 4 is used for being in communication connection with the main control module 5 or outputting weak current.
It should be noted that the main control module 5 is provided with a pulse module, and the output and input of the electric energy pulse signal can be realized through the weak current terminal strip 4; still be equipped with RS485 communication module in the host system 5, can use weak current terminal strip 4 to come as RS485 communication interface.
Preferably, an SIM card communication module is arranged in the upper case 1, an interface 12 for inserting and taking an SIM card is arranged on the upper case 1, and the SIM card communication module is connected with the main control module 5 to realize a data communication function by inserting the SIM card.
Preferably, the upper shell 1 is provided with an SMA antenna 13, an infrared receiver 14 and an infrared transmitter 15, and the SMA antenna 13, the infrared receiver 14 and the infrared transmitter 15 are respectively connected with the main control module 5;
the main control module 5 is internally provided with a wireless communication module which inputs and outputs signals through an SMA antenna 13;
the main control module 5 is provided with an infrared communication module, and the infrared communication module receives signals through an infrared receiver 14 and sends signals through an infrared transmitter 15.
In a specific embodiment of the present invention, the upper case 1 is provided with a liquid crystal display screen 16, a plurality of indicator lights 17, and a plurality of keys 18, and the liquid crystal display screen 16, the indicator lights 17, and the keys 18 are respectively connected with the main control module 5; the related information is displayed through the liquid crystal display screen 16, various prompts are made through the indicator lamp 17, such as communication networking prompts, alarm prompts and pulse instructions, control instructions are input through the keys 18 or the display content of the liquid crystal display screen 16 is switched.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a guide rail table, includes epitheca and inferior valve, one end in the inferior valve is equipped with the forceful electric power terminal row, and the other end is equipped with the weak current terminal row, be equipped with 4 terminal grooves of mutual isolation in the forceful electric power terminal row, the terminal inslot is equipped with the forceful electric power terminal, divide into 2 fire wire grooves and 2 zero wire grooves with 4 terminal grooves in proper order along the length direction of forceful electric power terminal row, its characterized in that still includes relay, short circuit copper bar, the output conducting strip and the input conducting strip of relay wear to establish respectively in 2 fire wire grooves and be connected with the forceful electric power terminal electricity, the both ends of short circuit copper bar are worn to establish respectively in 2 zero wire grooves and are connected with the forceful electric power terminal electricity, be equipped with first insulation baffle between relay and the short circuit copper bar.
2. The track gauge of claim 1, wherein the bottom of the row of high voltage terminals is provided with a base, the first insulating barrier is disposed on the base, the first insulating barrier extends onto the row of high voltage terminals to separate the base into two regions, and the relay and the shorting copper bar are respectively fixed in the two regions.
3. The guide rail meter of claim 2, wherein a second insulating barrier is provided on the base, the second insulating barrier extending onto the first insulating barrier to enclose the shorted copper bars.
4. The track table according to claim 2, wherein the strong electric terminal strip and the relay are connected to the base plate by means of a snap fit.
5. The guideway meter of claim 1, wherein a transformer is provided on the output conductive strip of the relay.
6. The track table of claim 1, wherein the top of the strong electric terminal row is provided with a locking hole corresponding to the terminal groove, the upper case is provided with an opening, and the opening is provided with a lead cover for covering the locking hole.
7. The track gauge of claim 1, wherein the lower case is provided therein with a main control module, and the strong current terminal strip and the weak current terminal strip are respectively connected to the main control module.
8. The guideway meter of claim 7, wherein the upper case is provided with a SIM card communication module therein, the upper case is provided with an interface for inserting and taking a SIM card therein, and the SIM card communication module is connected to the main control module.
9. The guide rail meter according to claim 7, wherein the upper case is provided with an SMA antenna, an infrared receiver and an infrared transmitter, and the SMA antenna, the infrared receiver and the infrared transmitter are respectively connected with the main control module.
10. The guideway meter of claim 7, wherein the upper case is provided with a liquid crystal display, a plurality of indicator lights and a plurality of keys, and the liquid crystal display, the indicator lights and the keys are respectively connected with the main control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110713768.3A CN113311202A (en) | 2021-06-25 | 2021-06-25 | Guide rail meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110713768.3A CN113311202A (en) | 2021-06-25 | 2021-06-25 | Guide rail meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113311202A true CN113311202A (en) | 2021-08-27 |
Family
ID=77380421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110713768.3A Pending CN113311202A (en) | 2021-06-25 | 2021-06-25 | Guide rail meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113311202A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4266064A1 (en) * | 2022-04-22 | 2023-10-25 | ABB Schweiz AG | Metering device |
-
2021
- 2021-06-25 CN CN202110713768.3A patent/CN113311202A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4266064A1 (en) * | 2022-04-22 | 2023-10-25 | ABB Schweiz AG | Metering device |
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