CN213122055U - Terminal block that three-phase electric energy meter of state net was used - Google Patents
Terminal block that three-phase electric energy meter of state net was used Download PDFInfo
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- CN213122055U CN213122055U CN202021380813.5U CN202021380813U CN213122055U CN 213122055 U CN213122055 U CN 213122055U CN 202021380813 U CN202021380813 U CN 202021380813U CN 213122055 U CN213122055 U CN 213122055U
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- energy meter
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Abstract
A terminal seat for a national grid three-phase electric energy meter comprises a base, a partition plate, side plates, a top cover and a wiring terminal group, wherein the base is divided into a plurality of mutually independent notches, and the rear end of the base is provided with a plurality of plug wire through holes which are in one-to-one correspondence with the wiring terminal group; the wiring terminal group comprises two current terminals and a voltage terminal, and the positions of the partition plates corresponding to the notches are provided with positioning holes corresponding to the wiring terminal group. The utility model utilizes the positioning holes on the baffle plate to limit the wiring terminal group, thereby preventing the short circuit caused by the shaking of the wire when the screw is screwed; the clamping groove is formed in the front end of the base of the terminal seat, the clamping groove can be matched with a notch in the shell of the electric energy meter to be installed, the terminal seat is further limited through the top cover, the terminal seat does not need to be fixed through screws, the installation steps of the electric energy meter are simplified, and the terminal seat is simple to assemble.
Description
Technical Field
The utility model relates to an electric energy meter field, specific terminal seat that three-phase electric energy meter was used is netted in country that says so.
Background
The electric energy meter is the instrument equipment that is used for measuring consumer consumption electric energy among the electric power system, and along with scientific and technological development, the increase of resident's power consumption year by year, the increase of power consumption load, relevant consumer requires to use the three-phase power supply, utilizes the three-phase power supply simultaneously can improve load balancing rate, reduces the power line loss.
The electric energy meter is connected with an internal circuit and an external circuit through a terminal block for measurement, and the three-phase electric energy meter realizes three-phase power supply through the wiring terminals of the A phase, the B phase and the C phase which are arranged on the terminal block. Among the prior art, utilize the mode installation terminal group of screw via hole, probably cause the wire to rotate when screwing the screw, cause wire connecting portion to take place the short circuit, carry on spacingly through modes such as installing the step additional in terminal box inside, the operation is complicated, and is with high costs, dismantles inconveniently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem not enough, provide a terminal block that three-phase electric energy meter was used is netted in state, simple structure, assembly are easy, with low costs.
The utility model discloses a solve above-mentioned technical problem not enough and the technical scheme who adopts is:
the utility model provides a terminal block that three-phase electric energy meter of state net was used, includes the base, the baffle, the curb plate, top cap and wiring terminal group, its characterized in that: the side plates divide the base into a plurality of mutually independent notches, two groups of wiring terminal groups are arranged in each notch, the partition plates and the side plates are arranged in a crossed mode and divide the two groups of wiring terminal groups in each notch into two sides, the wiring terminal groups on one side are connected with an external circuit, the other side is connected with an internal circuit of the three-phase electric energy meter, and a plurality of plug wire through holes which correspond to the wiring terminal groups one to one are formed in the rear end of the base;
positioning holes corresponding to the wiring terminal groups are formed in the positions, corresponding to the notches, of the partition board, the wiring terminal groups are inserted into the positioning holes, and the wiring terminal groups are in interference fit with the positioning holes;
clamping grooves matched with the electric energy meter shell are formed in two sides of the front end of the base of the terminal seat;
the base side of terminal seat is equipped with the bayonet socket, the top cap both sides position is equipped with the card foot, the position that the top cap corresponds the terminal is provided with the hole that supplies the link wire to pass through, the both ends of top cap are equipped with the screw.
The wiring terminal group comprises two current terminals and a voltage terminal, wherein one current terminal is arranged on each of the two sides of the notch, the voltage terminal is located between the two current terminals, one side of the wiring terminal group is fixed on the base through the embedded double screws, and the other side of the wiring terminal group is provided with a connecting end.
Curb plate and baffle are all established on the base, and curb plate interval connect in the baffle, the curb plate is cut apart into three notch and a tail groove of mutual isolation with the base.
The utility model has the advantages that:
compared with the prior art, the terminal seat of the utility model has simple structure, the positioning holes on the partition plate are utilized to limit the wiring terminal group, the short circuit caused by the shaking of the wire when the screw is screwed is prevented, the structure of the terminal seat base is simplified, the assembly is easy, and the cost is low;
the front end of the base of the terminal seat is provided with the clamping groove which can be matched with the notch on the electric energy meter shell for installation, the terminal seat does not need to be fixed by screws, the installation steps of the electric energy meter are simplified, and the assembly is simple; the terminal seat is further limited by the top cover, and the dustproof and rainproof effects are achieved.
To sum up, the utility model discloses processing technology is simple, the assembly is easy, with low costs.
Drawings
FIG. 1 is a schematic structural diagram of the present invention
FIG. 2 is a front view of the present invention
Fig. 3 is a rear view of the present invention
1. The base, 2, baffle, 3, locating hole, 4, curb plate, 5, notch, 6, embedded twin screw, 7, bayonet socket, 8, draw-in groove, 9, binding post group, 901, current terminal, 902, voltage terminal, 10, tail-slot, 11, plug wire through-hole, 12, card foot, 13, hole, 14, top cap, 15, screw.
Detailed Description
The present invention will be further explained with reference to the following embodiments.
The specific implementation mode is as follows:
a terminal block for a national grid three-phase electric energy meter comprises a base 1, a partition plate 2, a side plate 4, a top cover 14 and a wiring terminal group 9. The side plate 4 divides the base 1 into a plurality of notches 5, and a wiring terminal group 9 is arranged in each notch 5.
The terminal seat is divided into two sides by the partition board 2, one side is connected with an external circuit, the other side is connected with an internal circuit of the three-phase electric energy meter, and the rear end of the base 1 is provided with a plurality of plug wire through holes 11 which correspond to the wiring terminal groups 9 one to one.
The position of the partition board 2 corresponding to the notch 5 is provided with a positioning hole 3 corresponding to the wiring terminal, the wiring terminal group 9 is inserted into the positioning hole 3, the wiring terminal group 9 is in interference fit with the positioning hole 3, the wiring terminal group 9 is limited by the positioning hole 3, and the situation that a short circuit occurs due to the fact that a lead shakes when a screw is screwed is prevented.
And clamping grooves 8 matched with the electric energy meter shell are formed in two sides of the front end of the base 1 of the terminal block and used for fixing the position of the terminal block on the three-phase electric energy meter shell.
The top cap both sides position is equipped with card foot 12, the 1 side of base of terminal seat is equipped with bayonet socket 7, the position that top cap 14 corresponds the terminal is provided with the hole 13 that supplies the link wire to pass through, installs top cap 14 on the terminal seat, can prevent that dust and rainwater from getting into the terminal seat, fixes top cap 14 on the casing of electric energy meter through screw 15, and is spacing to the terminal seat simultaneously, prevents droing of terminal seat.
Furthermore, the same wiring terminal groups 9 are arranged in the notches 5 and respectively correspond to the A-phase circuit, the B-phase circuit and the C-phase circuit, and the tail grooves 10 are provided with N-line current terminals; the wiring terminal group 9 comprises two current terminals 901 and a voltage terminal 902, the two sides of the notch 5 are respectively provided with one current terminal 901, the voltage terminal 902 is positioned between the two current terminals 901, the wiring terminal group 9 is in a shape of Chinese character 'pin', one side of the wiring terminal is provided with a connecting end, and the other side of the wiring terminal group is locked by using the embedded double screws 6, so that the connection stability of the wiring terminal group is ensured.
Further, curb plate 4 and baffle 2 all establish on base 1, and curb plate 4 interval connection in baffle 2 carries out the rigidity to the terminal seat, curb plate 4 cuts apart into three notch 5 and a tail groove 10 of mutual isolation with base 1.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. The utility model provides a terminal block that three-phase electric energy meter of state net was used, includes base (1), baffle (2), curb plate (4), top cap (14) and wiring terminal group (9), its characterized in that: the base (1) is divided into a plurality of mutually independent notches (5) by the side plates (4), two groups of wiring terminal groups (9) are arranged in each notch (5), the partition plates (2) and the side plates (4) are arranged in a crossed mode, the two groups of wiring terminal groups (9) in each notch (5) are divided into two sides, the wiring terminal group on one side is connected with an external circuit, the other side is connected with an internal circuit of the three-phase electric energy meter, and a plurality of wire plugging through holes (11) which correspond to the wiring terminal groups (9) one by one are formed in the rear end of the base (1);
the positions of the partition plates (2) corresponding to the notches (5) are provided with positioning holes (3) corresponding to the wiring terminal groups (9), the wiring terminal groups (9) are inserted into the positioning holes (3), and the wiring terminal groups (9) are in interference fit with the positioning holes (3);
clamping grooves (8) matched with the electric energy meter shell are formed in two sides of the front end of the base (1); the side face of the base (1) of the terminal base is provided with a bayonet (7), the positions of two sides of the top cover (14) are provided with clamping pins (12), the position of the top cover (14) corresponding to the binding post is provided with a hole (13) for a connecting end wire to pass through, and screw holes (15) are arranged at two ends of the top cover (14).
2. The terminal block for the state grid three-phase electric energy meter according to claim 1, characterized in that: the wiring terminal group (9) comprises two current terminals (901) and a voltage terminal (902), wherein one current terminal (901) is arranged on each of two sides of the notch (5), the voltage terminal (902) is located between the two current terminals (901), one side of the wiring terminal group (9) is fixed on the base (1) through the embedded double screws (6), and the other side of the wiring terminal group is provided with a connecting end.
3. The terminal block for the state grid three-phase electric energy meter according to claim 1, characterized in that: curb plate (4) and baffle (2) are all established on base (1), and curb plate (4) interval connect in baffle (2), curb plate (4) are cut apart into three notch (5) and a tail groove (10) of mutual isolation with base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021380813.5U CN213122055U (en) | 2020-07-14 | 2020-07-14 | Terminal block that three-phase electric energy meter of state net was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021380813.5U CN213122055U (en) | 2020-07-14 | 2020-07-14 | Terminal block that three-phase electric energy meter of state net was used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213122055U true CN213122055U (en) | 2021-05-04 |
Family
ID=75677416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021380813.5U Active CN213122055U (en) | 2020-07-14 | 2020-07-14 | Terminal block that three-phase electric energy meter of state net was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213122055U (en) |
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2020
- 2020-07-14 CN CN202021380813.5U patent/CN213122055U/en active Active
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