CN217544959U

CN217544959U - Wiring structure, soft starter and electrical equipment

Info

Publication number: CN217544959U
Application number: CN202221062821.4U
Authority: CN
Inventors: 乔焕英; 阮冬华; 王建新; 徐能高
Original assignee: Shanghai Jingtai Technology Co ltd
Current assignee: Shanghai Jingtai Technology Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-10-04
Anticipated expiration: 2032-05-06

Abstract

The utility model provides a wiring structure and use soft starter, electrical equipment of this wiring structure, this wiring structure includes: the circuit board comprises a substrate, a wiring copper bar and a first wiring terminal; the substrate is provided with a through hole for inserting the wiring end of the wiring copper bar into the second surface from the first surface of the substrate, and the second surface of the substrate is provided with a terminal mounting structure corresponding to the through hole, wherein the terminal mounting structure is used for detachably mounting a first wiring terminal; the wiring copper bar extends into the terminal mounting structure; the wiring end of wiring copper bar is provided with the wiring hole, terminal mounting structure corresponds the position in wiring hole is provided with lock nut, the wiring end of wiring copper bar wiring hole, lock nut on the wiring end and terminal mounting structure forms second binding post. The utility model discloses can realize two kinds of specification binding post's wiring, have more extensive market adaptability.

Description

Wiring structure, soft starter and electrical equipment

Technical Field

The utility model relates to a low-voltage apparatus field, concretely relates to wiring structure and use soft starter, electrical equipment of this wiring structure.

Background

Because the standards adopted by various countries are different, the wiring terminals of the electrical equipment need to be designed independently according to different countries, so that the application range of the product is narrow, and the market flow and the cost reduction are not facilitated.

The soft starter is taken as an example for explanation, the inlet and outlet wires of the domestic soft starter are generally formed by adding a bare terminal head on a cable and then connecting the bare terminal head to an inlet and outlet wire copper bar of the soft starter, and a heat-shrinkable sleeve is used for protection, however, the structure of the soft starter is not suitable for the North American market. In North America, the cable plugs Pi Tongsi are tied and then directly inserted into the inlet and outlet of the soft start, the inlet and outlet are circular, and the structure cannot be applied to the China market. If the domestic product allowance is large and the foreign product is short, the storage waste of the product and the cost of the reproduction are increased.

Disclosure of Invention

An object of the utility model is to overcome prior art's defect, provide a wider wiring structure of application scope and use soft starter, electrical equipment of this wiring structure.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

a wiring structure comprising: a substrate and a wiring copper bar;

the substrate is provided with a through hole for inserting a wiring end of the wiring copper bar into the second surface from the first surface of the substrate, and the second surface of the substrate is provided with a terminal mounting structure corresponding to the through hole, wherein the terminal mounting structure is used for detachably mounting a first wiring terminal;

the wiring copper bar extends to in the terminal mounting structure, the wiring end of wiring copper bar is provided with the wiring hole, terminal mounting structure corresponds the position in wiring hole is provided with lock nut, the wiring end of wiring copper bar wiring hole, lock nut and on the wiring end terminal mounting structure form second binding post.

Preferably, the first connection terminal comprises a terminal body, a bare wire insertion hole arranged on the terminal body, and a first bolt arranged on the terminal body and used for pressing a bare wire inserted into the bare wire insertion hole, and the connection end of the copper connection terminal is positioned in the bare wire insertion hole and connected with the terminal body.

Preferably, the terminal mounting structure is provided with a first mounting groove adapted to a shape of the terminal body, the terminal body is mounted in the first mounting groove by insertion, and one side of the terminal mounting structure is provided with a wire connection port penetrating to the first mounting groove.

Preferably, the bottom of the first mounting groove is provided with a second mounting groove which is used for placing the locking nut and forms a rotation limiting position and is axially movable.

Preferably, the substrate and the terminal mounting structure are integrally molded plastic structures.

Preferably, the wiring port is provided with a detachable terminal protective cover.

Preferably, the peripheral wall of the wiring port is provided with a clamping groove and a first screw connecting hole, a buckle and a second screw connecting hole are arranged at the position corresponding to the terminal protecting cover, and the terminal protecting cover is installed on the wiring port through the buckle and a screw.

Preferably, the bare wire insertion hole is a semicircular hole, a limiting groove which is matched with the wiring end of the wiring copper bar in shape is formed in the bottom of the bare wire insertion hole, and the wiring end of the wiring copper bar is arranged in the limiting groove.

Preferably, when the first connection terminal is used for wiring, the first connection terminal is mounted in the terminal mounting structure; when the second connection terminal is used for wiring, the first connection terminal is detached from the terminal mounting structure and taken out.

The utility model discloses provide a soft starter simultaneously, include as above arbitrary wiring structure.

The utility model provides an electrical equipment simultaneously, including the host computer and with host computer electric connection's wiring subassembly, the wiring subassembly includes one or more wiring unit, wherein, the wiring unit adopts as above arbitrary the wiring structure.

The first connecting terminal of the wiring structure of the utility model is detachably arranged in the terminal mounting structure and is connected with the wiring copper bar; a wiring hole is formed in the wiring end of the wiring copper bar, a locking nut is arranged at a position, corresponding to the wiring hole, of the terminal mounting structure, and a second wiring terminal is formed by the wiring end of the wiring copper bar, the wiring hole in the wiring end, the locking nut and the terminal mounting structure; mounting the first wire connection terminal in the terminal mounting structure when using the first wire connection terminal for wiring; when the second connection terminal is used for wiring, the first connection terminal is detached from the terminal mounting structure and taken out. Therefore, the wiring of the wiring terminals with two specifications can be realized, and the requirements of various markets are met.

Drawings

Fig. 1 is a schematic structural diagram of the soft starter of the present invention;

FIG. 2 is a schematic structural view of the wiring structure of the present invention;

fig. 3 is a schematic structural view of the first connection terminal of the present invention;

fig. 4 is an assembly diagram of the first connection terminal of the present invention;

fig. 5 is an assembly schematic view (after assembly) of the first connection terminal of the present invention;

fig. 6 is an assembly schematic diagram of the wiring copper bar after the first wiring terminal of the utility model is assembled;

fig. 7 is an assembled view of the terminal protective cover of the present invention;

fig. 8 is a schematic wiring diagram of the first connection terminal of the present invention;

fig. 9 is an assembly view of a second terminal of the present invention;

fig. 10 is an assembly view of the second connection terminal and the connection copper bar of the present invention;

fig. 11 is a schematic view of the connection between the domestic connection terminal and the second connection terminal of the present invention;

fig. 12 is a schematic view of the connection between the domestic connection terminal and the second connection terminal of the present invention;

fig. 13 is the wiring schematic diagram of the internal wiring terminal and the second wiring terminal of the present invention.

Detailed Description

The following description will further describe a specific embodiment of the wiring structure according to the present invention with reference to the embodiments shown in the drawings. The wiring structure of the present invention is not limited to the description of the following embodiments.

As shown in fig. 1, the present embodiment provides a soft starter 1, which includes a main body 10, an incoming line assembly 20 electrically connected to the main body 10, and an outgoing line assembly 30 electrically connected to the main body 10, wherein the incoming line assembly 20 includes a plurality of first wiring units 21, the outgoing line assembly 30 includes a plurality of second wiring units 31, and the first wiring units 21 and the second wiring units 31 both adopt the wiring structure 100 shown in fig. 2 to 13.

As shown in fig. 2 to 13, the wiring structure 100 includes: the substrate 110, the wiring copper bar 120 and the first wiring terminal 130; the substrate 110 is provided with a through hole 111 (refer to fig. 4) for inserting the terminal of the wiring copper bar 120 from the first surface 110a to the second surface 110b of the substrate 110, and a terminal mounting structure 140 is provided at a position of the second surface 110b of the substrate 110 corresponding to the through hole 111; the wiring copper bar 120 extends into the terminal mounting structure 140, and the first wiring terminal 130 is detachably mounted in the terminal mounting structure 140 and is connected with the wiring copper bar 120; the wiring end of the wiring copper bar 120 is provided with a wiring hole 121 (refer to fig. 10), the terminal mounting structure 140 is provided with a lock nut 151 (refer to fig. 9) at a position corresponding to the wiring hole 121, and the wiring end of the wiring copper bar 120, the wiring hole 121 on the wiring end, the lock nut 151 and the terminal mounting structure 140 form a second wiring terminal 150.

Referring to fig. 4-8, when the first connection terminal 130 is used for connection, the first connection terminal 130 is mounted in the terminal mounting structure 140, so that the first connection terminal 130 is connected to the first external connection 210. Referring to fig. 9-13, when the second connection terminal 150 is used for connection, the first connection terminal 130 is removed from the terminal mounting structure 140, and the connection with the second external connection terminal 220 is realized.

In the present embodiment, as shown in fig. 3, the first connection terminal 130 includes a terminal body 131, a bare wire insertion hole 132 provided on the terminal body 131, and a first bolt 133 provided on the terminal body 131 for pressing the bare wire inserted into the bare wire insertion hole 132, and the connection terminal of the copper bar 120 is positioned in the bare wire insertion hole 132 to be connected to the terminal body 131. The first connection terminal 130 of the present embodiment is suitable for the connection standard in the north american region, and referring to fig. 8, the bare wire at the wire end of the first external connection wire 210 may be directly inserted into the bare wire insertion hole 132, and the bare wire may be pressed in the bare wire insertion hole 132 and directly contacted with the terminal of the copper bar 120 by tightening the first bolt 133, so as to achieve the connection with the first external connection wire 210.

Of course, when the terminal main body 131 is made of a conductive material, the connecting copper bar 120 does not need to be disposed in the bare wire insertion hole 132, and only needs to be in contact with the terminal main body 131 to achieve electrical connection.

That is, the connection between the terminal of the copper bar 120 and the first connection terminal 130 includes the way of disposing the terminal of the copper bar in the bare wire insertion hole 132, and may also be the way of directly contacting the copper bar 120 and the conductive terminal body 131 to form an electrical connection.

Further, the bare wire insertion hole 132 is a semicircular hole, the bottom of the bare wire insertion hole is provided with a limiting groove 134 which is matched with the shape of the wiring end of the wiring copper bar 120, and the wiring end of the wiring copper bar 120 is arranged in the limiting groove 134. The limiting groove 134 can limit the first connecting terminal 130 through the connecting copper bar 120, and can also limit the connecting copper bar 120 through the first connecting terminal 130.

As shown in fig. 4 to 5, the terminal mounting structure 140 is provided with a first mounting groove 141 adapted to the shape of the terminal body 131, the terminal body 131 is mounted into the first mounting groove 141 by insertion, and one side of the terminal mounting structure 140 is provided with a wire connection port 143 penetrating to the first mounting groove 141. Of course, the function of the terminal mounting structure 140 is to mount the first connection terminal 130, and the mounting groove is not a unique structure, and the first connection terminal 130 may be mounted by other methods, such as an engaging structure only on the lower portion of the terminal body 131, or a screw mounting structure (a screw hole needs to be provided on the first connection terminal 130) additionally provided. However, the structure using the mounting groove may realize quick mounting of the first connection terminal 130 while preventing the terminal body 131 from being exposed to cause a safety risk.

Further, in the present embodiment, the bottom of the first mounting groove 141 is provided with a second mounting groove 142 which is used for placing the lock nut 151 and forming a rotation limit for the lock nut, and is axially movable.

Further, in the present embodiment, the substrate 110 and the terminal mounting structure 140 are integrally formed plastic structures, and the integrally formed structure is favorable for ensuring the structural strength of the terminal mounting structure 140 and reducing the assembly cost.

In order to further improve the safety of the wiring structure, a detachable terminal protecting cover 149 is further disposed at the wiring opening 143, and the terminal protecting cover 149 can further shield the terminal main body 131 to improve the safety. The peripheral wall of the wire connection port 143 is provided with a clamping groove 144 and a first screw connection hole 145, a corresponding position of the terminal protective cover 149 is provided with a buckle 146 and a second screw connection hole 147, and the terminal protective cover 149 is mounted on the wire connection port 143 through the buckle 146 and a screw 148.

Referring to fig. 4-7, in order to implement the wiring function of the first wiring terminal 130 in the present embodiment, a corresponding assembly process is required, which specifically includes the following steps:

s1, referring to fig. 4 and 5, the first connection terminal 130 is inserted into the first mounting groove 141 of the terminal mounting structure 140.

S2, referring to fig. 6, after the first connection terminal 130 is mounted, the connection copper bar 120 is inserted into the substrate 110 to the terminal mounting structure 140, and is inserted into the bare wire mounting hole of the first connection terminal 130.

S3, referring to fig. 7, the terminal protective cover 149 is mounted into the wire connection port 143.

Referring to fig. 8, fig. 8 is a schematic diagram illustrating that the first connection terminal 130 is connected to the first external connection terminal 210 after being assembled in the present embodiment, a bare portion (with a rubber portion removed) of a terminal end of the first external connection terminal 210 is bundled and then directly inserted into the semicircular hole, and the first bolt on the first connection terminal 130 is tightened to compress the cable, so that the north american connection mode can be implemented.

Referring to fig. 9-11, in order to implement the wiring function of the second connection terminal 150 in this embodiment, a corresponding assembly process is required, which specifically includes the following steps:

s01, the lock nut 151 is mounted into the second mounting groove of the terminal mounting structure 140.

S02, inserting the wiring copper bar 120 to enable the wiring hole 121 of the wiring end of the wiring copper bar to be aligned to the locking nut 151, and completing assembly of the second wiring terminal 150.

Referring to fig. 11-13, the second connection terminal 150 is connected to the second external connection terminal 220 after being assembled in the present embodiment, and the second external connection terminal 220 is a domestic connection terminal, such as DT-16 (RNB-14-10) pressing line type (width 16, current 88A) or DT-25 (RNB-22-10) pressing line type (width 18, current 115A), and can be accessed without assembling a terminal protective cover. After the second external wiring 220 is connected with the domestic wiring terminal, the second external wiring 220 is directly inserted into the wiring port 143 of the terminal mounting structure and aligned with the locking nut 151, the second bolt 152 screwed penetrates through the domestic wiring terminal and is connected with the locking nut 151, along with the rotation of the second bolt 152, the locking nut 151 can move upwards in the second mounting groove 142, the wiring end of the wiring copper bar 120 is directly pressed against the domestic wiring terminal, and the structure can realize a domestic wiring mode.

Based on the wiring structure, the present embodiment may further provide an electrical apparatus, which includes a host and a wiring assembly electrically connected to the host, where the wiring assembly includes one or more wiring units, and the wiring unit adopts the wiring structure 100 in the foregoing embodiment.

The electrical equipment described in this embodiment may be, for example, a soft starter, a circuit breaker, a contactor, and the like.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings or the directions or positional relationships that are usually placed when used, and are only for convenience of description, but do not indicate that the device or element to be referred to must have a specific direction, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish one description from another, and are not to be construed as indicating relative importance.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. Wiring structure, its characterized in that includes: a substrate (110) and a wiring copper bar (120);

the substrate (110) is provided with a through hole (111) for inserting the terminal of the wiring copper bar (120) from the first surface (110 a) to the second surface (110 b) of the substrate (110), a terminal mounting structure (140) is arranged at the position, corresponding to the through hole (111), of the second surface (110 b) of the substrate (110), and the terminal mounting structure (140) is used for detachably mounting the first wiring terminal (130);

wiring copper bar (120) extend to in terminal mounting structure (140), the wiring end of wiring copper bar (120) is provided with wiring hole (121), terminal mounting structure (140) correspond the position of wiring hole (121) is provided with lock nut (151), the wiring end of wiring copper bar (120) wiring hole (121), lock nut (151) on the wiring end and terminal mounting structure (140) form second binding post (150).

2. The wiring structure according to claim 1, wherein: the first wiring terminal (130) comprises a terminal body (131), a bare wire insertion hole (132) formed in the terminal body (131), and a first bolt (133) arranged on the terminal body (131) and used for pressing a bare wire inserted into the bare wire insertion hole (132), wherein a wiring end of the wiring copper bar (120) is positioned in the bare wire insertion hole (132) and connected with the terminal body (131).

3. The wiring structure according to claim 2, wherein: the terminal mounting structure (140) is provided with a first mounting groove (141) adapted to the shape of the terminal body (131), the terminal body (131) is mounted in the first mounting groove (141) by insertion, and one side of the terminal mounting structure (140) is provided with a wire connection port (143) penetrating through to the first mounting groove (141).

4. The wiring structure according to claim 3, wherein: the bottom of the first mounting groove (141) is provided with a second mounting groove (142) which is used for placing the locking nut (151) and forms rotation limiting and axial movement on the locking nut.

5. The wiring structure according to claim 3, wherein: the substrate (110) and the terminal mounting structure (140) are of an integrally formed plastic structure; the wiring port (143) is provided with a detachable terminal protective cover (149).

6. The wiring structure according to claim 5, wherein: the peripheral wall of the wiring port (143) is provided with a clamping groove (144) and a first screw connecting hole (145), a buckle (146) and a second screw connecting hole (147) are arranged at the position corresponding to the terminal protecting cover (149), and the terminal protecting cover (149) is installed on the wiring port (143) through the buckle (146) and a screw (148).

7. The wiring structure according to claim 3, wherein: the bare wire inserting hole (132) is a semicircular hole, a limiting groove (134) matched with the wiring end shape of the wiring copper bar (120) is formed in the bottom of the bare wire inserting hole, and the wiring end of the wiring copper bar (120) is arranged in the limiting groove (134).

8. The wiring structure according to claim 1, wherein: mounting the first wire connecting terminal (130) in the terminal mounting structure (140) when wire connecting using the first wire connecting terminal (130); when the second connection terminal (150) is used for connection, the first connection terminal (130) is detached from the terminal mounting structure (140).

9. Soft starter, characterized in that it comprises a wiring structure (100) according to any of claims 1-8.

10. Electrical apparatus comprising a main unit and a wiring assembly electrically connected to the main unit, characterized in that the wiring assembly comprises one or more wiring units, wherein the wiring units employ a wiring structure (100) according to any one of claims 1 to 8.