CN215575302U - Binding post and three-phase ammeter of three-phase ammeter - Google Patents
Binding post and three-phase ammeter of three-phase ammeter Download PDFInfo
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- CN215575302U CN215575302U CN202120068950.3U CN202120068950U CN215575302U CN 215575302 U CN215575302 U CN 215575302U CN 202120068950 U CN202120068950 U CN 202120068950U CN 215575302 U CN215575302 U CN 215575302U
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Abstract
The utility model provides a connecting terminal of a three-phase electric meter and the three-phase electric meter, wherein the connecting terminal of the three-phase electric meter comprises a first metal connecting piece, a second metal connecting piece, a third metal connecting piece and a fourth metal connecting piece which are arranged side by side, and a shell used for accommodating each metal connecting sheet in a matching way, wherein the second metal connecting sheet and the fourth metal connecting sheet are respectively provided with a convex structure used for connecting a short-circuit part, when a three-phase four-wire system ammeter is needed, the short-circuit component is not connected, the conversion terminal is used as a power-on switch component to realize the connection between the wiring terminal and the power panel, the normal input and output of the three-phase wiring terminal and the zero line wiring terminal are realized, when a three-phase three-wire system electric meter is needed, a short circuit component is connected, the V phase is in short circuit with the zero line, the three-phase four-wire system electric meter is switched into a three-phase three-wire system electric meter, the short-circuit component is connected according to different requirements, so that the type switching of the electric meter is realized, and the purposes of saving cost and being convenient to carry are achieved.
Description
Technical Field
The utility model belongs to the technical field of electric meters, and particularly relates to a wiring terminal of a three-phase electric meter and the three-phase electric meter.
Background
At present, conventional three-phase electric meters are classified into three-phase three-wire electric meters and three-phase four-wire electric meters, as shown in fig. 1 and 2, fig. 1 is a connection line diagram of the three-phase three-wire electric meter, and fig. 2 is a connection line diagram of the three-phase four-wire electric meter.
A user or a constructor needs to configure two electric energy meters according to the metering requirements of different conditions so as to facilitate installation, and therefore the problems of cost increase and inconvenience in carrying are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wiring terminal of a three-phase electric meter, and aims to solve the technical problems of cost increase and inconvenience in carrying caused by configuration of two electric meters.
The embodiment of the utility model provides a wiring terminal of a three-phase electric meter, which comprises eight wiring terminals and a power panel;
the power panel is provided with three mutual-inductor components and pastes the power switch-on area of establishing the constitution by eight golden fingers, eight golden fingers are pasted and are located from top to bottom the edge of power panel, be close to four golden fingers of terminal one side include first golden finger, second golden finger, third golden finger and fourth golden finger, and four golden fingers of opposite side include fifth finger, sixth golden finger, seventh golden finger and eighth golden finger, are close to four golden fingers of terminal one side pass through binding post and four golden finger short circuits of opposite side one by one, eight terminals include U looks service post, V looks service post, W looks service post, zero line service post and zero line service post that set up side by side, U looks service post, fifth finger and eighth golden finger are connected with first mutual-inductor component respectively, the V-phase wire inlet column, the V-phase wire outlet column, the sixth golden finger and the eighth golden finger are respectively connected with a second mutual inductor component, the W-phase wire inlet column, the W-phase wire outlet column, the seventh golden finger and the eighth golden finger are respectively connected with a third mutual inductor component, and the zero wire inlet column is respectively connected with the fourth golden finger and the zero wire outlet column;
the connecting terminal comprises a first metal connecting piece, a second metal connecting piece, a third metal connecting piece, a fourth metal connecting piece and a shell, wherein the first metal connecting piece is used for short-circuiting the first golden finger and the fifth golden finger, the second metal connecting piece is used for short-circuiting the second golden finger and the sixth golden finger, the third metal connecting piece is used for short-circuiting the third golden finger and the seventh golden finger, the fourth metal connecting piece is used for short-circuiting the fourth golden finger and the eighth golden finger, and the shell is used for accommodating the metal connecting pieces in a matched mode;
the second metal contact piece and the fourth metal contact piece are also respectively provided with a protruding structure for connecting a short-circuit part, and the three-phase electric meter is switched to a three-phase three-wire electric meter when the short-circuit part is connected between the second metal contact piece and the fourth metal contact piece, and is switched to a three-phase four-wire electric meter when the short-circuit part is connected between the second metal contact piece and the fourth metal contact piece.
In one embodiment, each metal connecting piece is a U-shaped metal clamping piece, and each U-shaped metal clamping piece is used for being elastically clamped to the power supply connection area to short-circuit the corresponding golden finger.
In one embodiment, each metal connecting piece comprises a first metal surface, a second metal surface arranged opposite to the first metal surface, and a third metal surface connected with side portions of the first metal connecting piece and the second metal surface, and the first metal surface and the second metal surface are used for being elastically clamped with two gold fingers arranged opposite to each other on the power supply board.
In one embodiment, a first protruding structure extends from a plane of a third metal surface of the second metal connecting piece, a second protruding structure extends from a plane of a third metal surface of the fourth metal connecting piece, the first protruding structure defines a first through hole, the second protruding structure defines a second through hole, and the first through hole and the second through hole are used for connecting the short-circuit component.
In one embodiment, the shorting member is a metal wire or a metal strip.
In one embodiment, the housing includes a terminal block and a terminal cover plate, the terminal block is provided with a plurality of limiting portions for limiting and mounting the metal connecting pieces, and the terminal cover plate is adapted to be mounted on the terminal block to accommodate the metal connecting pieces.
In one embodiment, a plurality of partitions are further disposed in the terminal block and are used for separating the metal tabs.
In one embodiment, a portion of the terminal cover is clamped in the terminal base.
In one embodiment, the terminal block and the terminal cover plate are respectively provided with a plurality of grooves and a plurality of bumps, and the terminal block and the terminal cover plate are clamped with the grooves through the bumps.
A second aspect of an embodiment of the present invention provides a three-phase electric meter, which includes the connection terminal of the three-phase electric meter.
The embodiment of the utility model realizes the switching between the three-phase three-wire system ammeter and the three-phase four-wire system ammeter by adopting the conversion terminal, when the three-phase four-wire system ammeter is needed, the second metal splicing sheet and the fourth metal splicing sheet are not connected with the short-circuit component, the conversion terminal is used as the power-on switch component to realize the connection between the splicing sheet and the power panel, the three-phase splicing sheet and the zero line splicing sheet are normally input and output, when the three-phase three-wire system ammeter is needed, the second metal splicing sheet and the fourth metal splicing sheet are connected with the short-circuit component, the V phase is in short circuit with the zero line, the three-phase four-wire system ammeter is switched into the three-phase three-wire system ammeter, and during construction, the three-phase four-wire system ammeter and the conversion terminal are only needed to be configured, and the short-circuit component is connected according to different requirements, so that the type switching of the ammeter is realized, and the purposes of saving cost and convenient carrying are achieved.
Drawings
Fig. 1 is a schematic circuit diagram of a conventional three-phase four-wire electric meter;
FIG. 2 is a schematic diagram of a conventional three-phase three-wire electric meter;
fig. 3 is a schematic view of a first structure of a three-phase electric meter according to an embodiment of the present invention;
FIG. 4 is a schematic view of a gold finger of the three-phase electric meter;
fig. 5 is a schematic structural diagram of a connection terminal of a three-phase electric meter according to an embodiment of the utility model;
fig. 6 is a schematic diagram of a second structure of a three-phase electric meter according to an embodiment of the utility model;
FIG. 7 is a schematic view of the installation of a terminal of a three-phase electric meter according to an embodiment of the utility model;
FIG. 8 is a schematic view of the construction of a metal tab of the terminal of the three-phase electric meter of FIG. 5;
fig. 9 is a schematic structural view of a housing of a terminal of the three-phase electric meter of fig. 5.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the utility model.
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 of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The embodiment of the utility model provides a wiring terminal of a three-phase electric meter in a first aspect.
As shown in fig. 3, the three-phase electric meter includes eight terminals and a power supply board 200;
the power panel 200 is provided with three mutual inductor assemblies and a power supply connection area formed by eight gold fingers, as shown in fig. 4, the eight gold fingers are symmetrically attached to the edge of the power panel 200 up and down, the four gold fingers close to one side of the binding post comprise a first gold finger P1, a second gold finger P2, a third gold finger P3 and a fourth gold finger P4, the four gold fingers close to the other side comprise a fifth gold finger P5, a sixth gold finger P6, a seventh gold finger P7 and an eighth gold finger P8, the four gold fingers close to one side of the binding post are in short circuit with the four gold fingers on the other side one by one through the binding posts, the eight binding posts comprise a U-phase wire inlet post U1, a U-phase wire outlet post U2, a V-phase wire inlet post V1, a V-phase wire outlet post V2, a W-phase wire inlet post W1, a W-phase wire outlet post W2, a zero-phase wire inlet post N1 and a zero-phase wire outlet post N2 which are arranged side by side, the U-phase wire inlet post U1, the U-phase wire outlet post U39 2 and the zero-phase wire outlet post N2 are arranged side by side, A fifth finger P5 and an eighth finger P8 are respectively connected with a first mutual inductor component T1, a V-phase wire inlet column V1, a V-phase wire outlet column V2, a sixth finger P6 and an eighth finger P8 are respectively connected with a second mutual inductor component T2, a W-phase wire inlet column W1, a W-phase wire outlet column W2, a seventh finger P7 and an eighth finger P8 are respectively connected with a third mutual inductor component T3, and a zero wire inlet column N1 is respectively connected with a fourth finger P4 and a zero wire outlet column N2;
as shown in fig. 5, the connection terminal comprises a first metal connecting piece 10 for short-circuiting a first golden finger P1 and a fifth golden finger P5, a second metal connecting piece 20 for short-circuiting a second golden finger P2 and a sixth golden finger P6, a third metal connecting piece 30 for short-circuiting a third golden finger P3 and a seventh golden finger P7, a fourth metal connecting piece 40 for short-circuiting a fourth golden finger P4 and an eighth golden finger P8, which are arranged side by side, and a shell for accommodating the metal connecting pieces;
the second and fourth metal tabs 20 and 40 are also provided with a protrusion structure for connecting the short-circuit part 50, respectively, and the three-phase electric meter is switched to a three-phase three-wire electric meter when the short-circuit part 50 is connected between the second and fourth metal tabs 20 and 40 and to a three-phase four-wire electric meter when the short-circuit part 50 is connected between the second and fourth metal tabs 20 and 40.
In this embodiment, the golden finger that sets up side by side plays the function of connecting power strip 200 and terminal, the edge of power strip 200 is provided with the power and connects the district, golden finger mutual insulation with one side, the golden finger of both sides is insulating not to be communicated before not connecting binding post, connect two golden fingers intercommunication that binding post back both sides correspond the position, power switch-on district corresponds the mutual-inductor subassembly of connecting on with the voltage signal output of input three phase current to power strip 200 when inlet wire post input three phase current, and simultaneously, the inlet wire post is with three phase current's current signal input to the mutual-inductor subassembly of connecting, realize three phase current's voltage transmission.
The connecting terminal comprises four metal connecting pieces which are respectively used for short-circuiting gold fingers at symmetrical positions, when the power panel 200 is connected with the connecting terminal and the second metal connecting piece 20 and the fourth metal connecting piece 40 are not connected with the short-circuit component 50, the three-phase electric meter is a three-phase four-wire electric meter, a three-phase power supply and a zero line are connected, the first metal connecting piece 10 is used for communicating the first gold finger P1 with the fifth gold finger P5, the second metal connecting piece 20 is used for communicating the second gold finger P2 with the sixth gold finger P6, the third metal connecting piece 30 is used for communicating the third gold finger P3 with the seventh gold finger P7, the fourth metal connecting piece 40 is used for communicating the fourth gold finger P4 with the eighth gold finger P8, a U-phase power supply signal is transmitted to the U-phase outgoing line column U2 through the U-phase incoming line column U1, the first gold finger P1, the fifth gold finger P5 and the first mutual inductor component T1 and is output, and the V-phase power supply signal is transmitted to the U-phase outgoing line column V-1 and the second gold finger P2 and the third gold finger P3552, The sixth golden finger P6 and the second mutual inductor component T2 are transmitted to the V-phase outlet column V2 and output, a W-phase power signal is transmitted to the W-phase outlet column W2 through the W-phase inlet column W1, the third golden finger P3, the seventh golden finger P7 and the third mutual inductor component T3 and output, meanwhile, the eighth golden finger P8 is communicated with the fourth golden finger P4 so as to communicate the neutral line of each mutual inductor component, the zero line inlet column N1 and the zero line outlet column N2, and the three mutual inductor components feed back voltage signals and current signals to a sampling module in the electric meter.
When the power panel 200 is connected to the connection terminal and the second metal tab 20 and the fourth metal tab 40 are connected to the short-circuit part 50, the three-phase electric meter is a three-phase three-wire electric meter, and the three-phase power is connected, as shown in fig. 6, the first metal tab 10 connects the first gold finger P1 and the fifth gold finger P5, the second metal tab 20 connects the second gold finger P2 and the sixth gold finger P6, the third metal tab 30 connects the third gold finger P3 and the seventh gold finger P7, the fourth metal tab 40 connects the fourth gold finger P4 and the eighth gold finger P8, at this time, the U-phase power signal is transmitted to the U-phase outlet post U2 and output through the U-phase inlet post U1, the first gold finger P1, the fifth gold finger P5 and the first transformer assembly T1, the V-phase power signal is transmitted to the V-phase outlet post V1, the second gold finger P2, the sixth gold finger P6 and the second transformer assembly T2 and output the V-phase outlet post V-phase transformer assembly 582, the W-phase power signal is transmitted to the W-phase outlet pole W2 through the W-phase inlet pole W1, the third gold finger P3, the seventh gold finger P7 and the third transformer assembly T3 and output, meanwhile, the eighth gold finger P8 is communicated with the fourth gold finger P4, the short-circuit component 50 is communicated with the second metal contact piece 20 and the fourth metal contact piece 40, and short-circuits the second transformer assembly T2, so that the three-phase three-wire system electric meter as shown in fig. 2 is equivalently formed, and the first transformer assembly T1 and the third transformer assembly T3 feed back the voltage signal and the current signal to the sampling module inside the electric meter.
Through configuration binding post and corresponding short-circuit component 50, in the actual installation, only need dispose three-phase four-wire ammeter, binding post and corresponding short-circuit component 50, need not additionally to provide three-phase three-wire system ammeter, as shown in fig. 7, when needing three-phase four-wire system ammeter, open the shell of three-phase ammeter, the binding post joint that will not insert short-circuit component 50 is on power strip 200, when needing three-wire system ammeter, open the shell of three-phase ammeter, extract the binding post that does not insert short-circuit component 50, the binding post joint that will insert short-circuit component 50 is on power strip 200, realize the switching of three-phase three-wire system ammeter and three-phase four-wire system ammeter, the installation effectiveness has been improved simultaneously to reduce cost.
In this embodiment, the metal splicing in the binding post passes through joint mode and golden finger adaptation installation, and the metal splicing can adopt structures such as U type metal clamping piece, half arc metal clamping piece, and in order to reduce binding post's volume, as shown in fig. 8, in an embodiment, each metal splicing piece is U type metal clamping piece, and each U type metal clamping piece is used for elasticity joint to connect to the power switch-on district with the corresponding golden finger of short circuit.
Meanwhile, the second metal tab 20 and the fourth metal tab 40 are provided with a protruding structure for connecting the short-circuit component 50, the short-circuit component 50 can be connected to the protruding structure in a clamping, welding or clamping manner, and the specific structures of the protruding structure and the short-circuit component 50 can be correspondingly arranged as required, as shown in fig. 5, in one embodiment, the short-circuit component 50 is a metal wire or a metal strip.
According to the embodiment of the utility model, the switching between the three-phase three-wire system electric meter and the three-phase four-wire system electric meter is realized by adopting the conversion terminal, when the three-phase four-wire system electric meter is required, the second metal connecting piece 20 and the fourth metal connecting piece 40 are not connected with the short-circuit component 50, the conversion terminal is used as a power-on switch component to realize the connection between the connecting piece and the power panel 200, the three-phase connecting piece and the zero line connecting piece are normally input and output, when the three-phase three-wire system electric meter is required, the second metal connecting piece 20 and the fourth metal connecting piece 40 are connected with the short-circuit component 50, the V phase is in short circuit with the zero line, the three-phase four-wire system electric meter is switched to be the three-phase three-wire system electric meter, during construction, only the three-phase four-wire system electric meter and the conversion terminal are needed to be configured, and the short-circuit component 50 is connected according to different requirements, so that the type switching of the electric meter is realized, and the purposes of saving cost and convenient carrying are achieved.
With reference to fig. 8, in an embodiment, each metal tab includes a first metal surface, a second metal surface disposed opposite to the first metal surface, and a third metal surface connected to a side portion of the first metal tab 10 and the second metal surface, and the first metal surface and the second metal surface are used for being elastically clamped with two gold fingers disposed opposite to each other on the power board 200.
In this embodiment, the first metal surface and the second metal surface are used for being clamped on the gold finger of the circuit board and communicating the gold finger symmetrically arranged at two sides, and the third metal surface is used for fixing and communicating the first metal surface and the second metal surface, so as to achieve communication between the terminal and the power board, for example, the first metal contact piece 10 includes a first metal surface 11, a second metal surface 12 and a third metal surface 13.
The protruding structures of the second metal tab 20 and the fourth metal tab 40 can be disposed on one of the three metal surfaces thereof, and the specific disposition position is not limited.
Referring to fig. 8, in an embodiment, a first protrusion structure 24 extends from a plane of the third metal surface 23 of the second metal connecting piece 20, a second protrusion structure 44 extends from a plane of the third metal surface 43 of the fourth metal connecting piece 40, the first protrusion structure 24 is provided with a first through hole 25, the second protrusion structure 44 is provided with a second through hole 45, the first through hole 25 and the second through hole 45 are used for connecting a short-circuit component 50, and the short-circuit component 50 is connected to the two through holes by plugging or welding, so as to communicate the second metal connecting piece 20 with the fourth metal connecting piece 40, thereby realizing type switching of the three-phase electric meter.
As shown in fig. 9, in an embodiment, the housing includes a terminal base 110 and a terminal cover 120 that are detachably connected, the terminal base 110 is configured to be adapted to the metal tabs, a plurality of limiting portions (not shown) are disposed in the terminal base 110 for limiting and mounting the metal tabs according to a corresponding design of the structure of the metal tabs, the terminal cover 120 is configured to be mounted in the terminal base 110 to accommodate the metal tabs, and a plurality of partitions 111 are disposed in the terminal base 110 for separating the metal tabs to avoid short-circuiting between adjacent metal tabs.
The terminal base 110 and the terminal cover 120 may be detachably designed by being clamped or sleeved, as shown in fig. 9, in one embodiment, a portion of the terminal cover 120 is clamped in the remaining terminal base 110, that is, the terminal cover 120 has two cross sections with different sizes, wherein the terminal cover 120 with a smaller cross section is clamped in the terminal base 110.
Meanwhile, in order to improve the connection stability of the terminal cover plate 120 and the terminal base 110 and avoid the terminal cover plate 120 from falling off due to movement or oscillation, in one embodiment, the terminal base 110 and the terminal cover plate 120 are respectively provided with a plurality of grooves 112 and a plurality of protrusions 121, and the terminal base 110 and the terminal cover plate 120 are clamped by the protrusions 121 and the grooves 112.
A second aspect of an embodiment of the present invention provides a three-phase electric meter, which includes the connection terminal of the three-phase electric meter.
The utility model further provides a three-phase electric meter, which comprises the connecting terminal of the three-phase electric meter, the specific structure of the connecting terminal of the three-phase electric meter refers to the above embodiments, and the three-phase electric meter adopts all the technical schemes of all the embodiments, so that the three-phase electric meter at least has all the beneficial effects brought by the technical schemes of the embodiments, and the details are not repeated.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. The wiring terminal of the three-phase electric meter is characterized by comprising eight wiring terminals and a power panel;
the power panel is provided with three mutual-inductor components and pastes the power switch-on area of establishing the constitution by eight golden fingers, eight golden fingers are pasted and are located from top to bottom the edge of power panel, be close to four golden fingers of terminal one side include first golden finger, second golden finger, third golden finger and fourth golden finger, and four golden fingers of opposite side include fifth finger, sixth golden finger, seventh golden finger and eighth golden finger, are close to four golden fingers of terminal one side pass through binding post and four golden finger short circuits of opposite side one by one, eight terminals include U looks service post, V looks service post, W looks service post, zero line service post and zero line service post that set up side by side, U looks service post, fifth finger and eighth golden finger are connected with first mutual-inductor component respectively, the V-phase wire inlet column, the V-phase wire outlet column, the sixth golden finger and the eighth golden finger are respectively connected with a second mutual inductor component, the W-phase wire inlet column, the W-phase wire outlet column, the seventh golden finger and the eighth golden finger are respectively connected with a third mutual inductor component, and the zero wire inlet column is respectively connected with the fourth golden finger and the zero wire outlet column;
the connecting terminal comprises a first metal connecting piece, a second metal connecting piece, a third metal connecting piece, a fourth metal connecting piece and a shell, wherein the first metal connecting piece is used for short-circuiting the first golden finger and the fifth golden finger, the second metal connecting piece is used for short-circuiting the second golden finger and the sixth golden finger, the third metal connecting piece is used for short-circuiting the third golden finger and the seventh golden finger, the fourth metal connecting piece is used for short-circuiting the fourth golden finger and the eighth golden finger, and the shell is used for accommodating the metal connecting pieces in a matched mode;
the second metal contact piece and the fourth metal contact piece are also respectively provided with a protruding structure for connecting a short-circuit part, and the three-phase electric meter is switched to a three-phase three-wire electric meter when the short-circuit part is connected between the second metal contact piece and the fourth metal contact piece, and is switched to a three-phase four-wire electric meter when the short-circuit part is connected between the second metal contact piece and the fourth metal contact piece.
2. A terminal for a three-phase electricity meter as in claim 1, wherein each of said metal tabs is a U-shaped metal clip, each of said U-shaped metal clips being adapted to snap resiliently into said power connection area to short the corresponding gold finger.
3. The connection terminal for a three-phase electricity meter according to claim 1, wherein each of said metal tabs includes a first metal surface, a second metal surface disposed opposite to said first metal surface, and a third metal surface connected to side portions of said first metal tab and said second metal surface, said first metal surface and said second metal surface being adapted to resiliently snap-fit to two gold fingers disposed opposite to said power strip.
4. The connection terminal for a three-phase electric meter according to claim 3, wherein a first protrusion structure extends from a plane of the third metal surface of the second metal contact piece, a second protrusion structure extends from a plane of the third metal surface of the fourth metal contact piece, the first protrusion structure defines a first through hole, the second protrusion structure defines a second through hole, and the first through hole and the second through hole are used for connecting the short-circuit component.
5. A terminal for a three-phase electricity meter as set forth in claim 4, wherein said shorting member is a metal wire or strip.
6. A terminal block for a three-phase electricity meter according to claim 4, wherein said housing includes a removably attachable terminal block and a terminal cover, a plurality of retention portions being provided in said terminal block for retaining each of said metal tabs, said terminal cover being adapted to fit over said terminal block to receive each of said metal tabs.
7. A terminal block for a three-phase electricity meter according to claim 6, wherein a plurality of partitions are also provided in said terminal block, said partitions being adapted to separate said metal tabs.
8. A terminal for a three-phase electricity meter according to claim 6, wherein a portion of said terminal cover is snap-fit into said terminal block.
9. A terminal block for a three-phase electricity meter according to claim 6, wherein said terminal block and said terminal cover are respectively provided with a plurality of recesses and a plurality of protrusions, and said terminal block and said terminal cover are engaged with said recesses through said protrusions.
10. A three-phase electricity meter comprising a terminal for a three-phase electricity meter as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120068950.3U CN215575302U (en) | 2021-01-11 | 2021-01-11 | Binding post and three-phase ammeter of three-phase ammeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120068950.3U CN215575302U (en) | 2021-01-11 | 2021-01-11 | Binding post and three-phase ammeter of three-phase ammeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215575302U true CN215575302U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120068950.3U Active CN215575302U (en) | 2021-01-11 | 2021-01-11 | Binding post and three-phase ammeter of three-phase ammeter |
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| Country | Link |
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| CN (1) | CN215575302U (en) |
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- 2021-01-11 CN CN202120068950.3U patent/CN215575302U/en active Active
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