CN215300363U

CN215300363U - Wiring device and motor

Info

Publication number: CN215300363U
Application number: CN202120438089.5U
Authority: CN
Inventors: 葛斌
Original assignee: Siemens AG
Current assignee: Yinmengda Co ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-12-24
Anticipated expiration: 2031-03-01

Abstract

The utility model provides a wiring device, a serial communication port, include: the junction box is detachably connected with the motor, an upper insulator seat is mounted in the junction box, the upper insulator seat is provided with an upper seat conductive core inserted in the upper insulator seat, the upper seat conductive core is provided with a first end and a second end which are opposite, and the first end is connected with an external cable of the motor; the lower insulator seat is fixed at the end of the motor and is provided with a lower seat conductive core inserted in the lower insulator seat, one end of the lower seat conductive core is connected with an internal cable of the motor, and the other end of the lower seat conductive core is provided with a first slot for accommodating the second end of the upper seat conductive core; the utility model also provides a motor including above-mentioned termination. The utility model discloses an adopt split type insulating terminal to realize standardized quick plug wiring structure, realize termination and motor body separation design manufacturing, and then save the cost of transportation, optimized motor design, manufacturing procedure, can reduce the waste of cable copper line simultaneously.

Description

Wiring device and motor

Technical Field

The utility model relates to a motor field, especially a termination of motor and motor including this termination.

Background

The wiring device in the motor structure is an important component, and the wiring device is reasonably designed, so that the installation and manufacturing cost of the motor can be saved. The wiring device of the existing three-phase motor is integrated with the motor, an internal cable of the motor is connected with an insulating terminal in the wiring device, the internal part of the motor and the external electric energy input and output are realized by connecting the insulating terminal with an external cable, and the structure is characterized in that the wiring device and the motor body are integrated, so that the motor is overlarge in size, long in design and manufacturing period and high in cost in installation and transportation processes. On the other hand, for cables inside the motor, extra length needs to be reserved for welding in the wiring device, so that the waste of cable and copper wire materials and cost expenditure are caused.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a termination and a motor to solve the motor that foretell termination integration set up and cause on the motor bulky, the design manufacturing cost of transportation is high, and the extravagant scheduling problem of material.

According to an aspect of the utility model, a termination is provided, include:

the junction box is detachably connected with the motor in an installing mode, an insulator upper seat is installed in the junction box and provided with an upper seat conductive core inserted into the insulator upper seat, the upper seat conductive core is provided with a first end and a second end which are opposite, and the first end is connected with an external cable of the motor.

The lower insulator seat is fixed at the end of the motor and provided with a lower seat conductive core inserted into the lower insulator seat, one end of the lower seat conductive core is connected with an internal cable of the motor, and the other end of the lower seat conductive core is provided with a first slot for accommodating the second end of the upper seat conductive core.

Furthermore, the bottom end of the upper insulator seat is matched with the top end of the lower insulator seat to form a sealing structure.

Furthermore, the second end of the upper seat conductive core is of a conical structure, and the first slot has a conical degree corresponding to the second end.

Further, termination still includes lower mounting bracket, lower mounting bracket detachable install on the motor, insulator lower seat is installed in lower mounting bracket.

Furthermore, an elastic gasket is arranged at the joint of the lower insulator seat and the lower seat mounting frame.

The utility model also provides a motor, the motor includes the termination of above-mentioned structure.

According to the above technical scheme, the utility model discloses an adopt split type insulating terminal to realize standardized quick plug wiring structure, realize termination and motor body separation design manufacturing, and then save the freight cost, optimized motor design, manufacturing procedure, it is extravagant to reduce the cable copper line simultaneously.

Drawings

The above and other features and advantages of the present invention will become more apparent to those of ordinary skill in the art by describing in detail preferred embodiments thereof with reference to the attached drawings, in which:

fig. 1 is a schematic structural diagram of a wiring device according to an exemplary embodiment.

Fig. 2 is a schematic structural diagram of an upper seat of an insulator, into which an upper seat conductive core is inserted.

Fig. 3 is a schematic structural diagram of the lower insulator seat with the lower conductive core inserted therein.

Wherein the reference numbers are as follows:

1 terminal box 10 insulator upper seat 12 upper seat conductive core

14 first end of upper conductor core 16 second end of upper conductor core 20 lower insulator base

22 lower conductive core 24, first slot 26 and first wiring slot

30 lower seat mounting rack 40 elastic gasket

50 mutual-inductor 60 insulator upper seat installation base 70 insulator lower seat installation base

100 wiring device 102 insulator upper seat bottom end 200 motor

201 lower seat top 300 of insulator motor external cable 400 motor internal cable

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention is further described in detail by referring to the following embodiments.

Fig. 1 is a schematic structural view of a wiring device according to an exemplary embodiment, fig. 2 is a schematic structural view of an upper insulator seat into which an upper seat conductive core is inserted, and fig. 3 is a schematic structural view of a lower insulator seat into which a lower seat conductive core is inserted.

As shown in fig. 1, the wiring device 100 includes a junction box 1 detachably mounted on the motor and an insulator lower base 20 mounted at the motor end, an insulator upper base 10 is mounted in the junction box 1, the insulator upper base 10 has an upper base conductive core 12 inserted therein, the upper base conductive core 12 has a first end 14 and a second end 16 opposite to each other, and the first end 14 is connected to an external cable 300 of the motor; the lower insulator base 20 is mounted at the motor end and has a lower conductive core 22 inserted therein, the lower conductive core 22 having one end connected to the internal cable 400 of the motor 200 and the other end having a first slot 24 for receiving the second end 16 of the upper conductive core.

Specifically, the junction box 1 includes a junction box body, an upper insulator base 10 mounted at the bottom of the junction box body, and common junction box components such as an optional transformer 50, a ground connection component, an outlet screw sleeve and the like, which are not shown in the drawings. The terminal block 1 is a standard component which is independent from the motor body 200 and is detachably mounted on the motor, and the design and manufacture thereof are separated from those of the motor body, so that the design period of the motor is shortened. The terminal block 1 can be designed, for example, to include 3 or 6 or other numbers of upper insulator seats, and at the installation site, the terminal block having the corresponding upper insulator seat is selected according to the number of lower insulator seats provided at the motor end. An upper insulator base 10 is installed at the bottom of the junction box 1, an upper base conductive core 12 is vertically inserted into the upper insulator base 10, and the upper base conductive core 12 penetrates through a first end 14 of the top surface of the upper insulator base 10 and is connected with an external cable 300 of the motor, for example, a cable connected to an external power supply device.

Fig. 2 is a schematic structural diagram of an upper insulator seat into which an upper conductive core is inserted, as shown in fig. 2, the upper insulator seat 10 is an integrally formed insulating structure, and includes a mounting base 60, a cone portion located above the mounting base 60, and a cylinder portion located below the mounting base 60, after the upper insulator seat 10 is installed in the junction box 1, the mounting base 60 is fixed on a bottom plate of the junction box 1 by fasteners such as bolts and nuts, the cone portion and the mounting base 60 are located inside the junction box 1, and the cylinder portion is located outside the junction box 1; the peripheries of the cone part and the cylinder part are arranged into umbrella-shaped insulating structures, so that the creepage distance is increased. An upper conductive core 12 is vertically inserted in the center of the upper insulator base 10, the upper conductive core 12 is a needle tube-shaped conductive body, and includes a first end 14 located inside the junction box and a second end 16 located outside the junction box, the top of the first end 14 is used for being connected with an external cable outside the motor, and the second end 16 is used for being inserted into a first slot 24 of a lower conductive core 22 of the lower insulator base to realize electrical connection with an internal cable 400 of the motor. The outer diameter of the second end 16 matches the inner diameter of the first slot 24 for better electrical connection. The insulator lower base 20 and the lower base conductive core 22 will be described below.

Fig. 3 is a schematic structural diagram of the lower insulator seat into which the lower conductive core is inserted, and as shown in fig. 3, the lower insulator seat 20 is an assembly fixed at the end of the motor, and is an integrally formed insulating structure, and includes a main cylindrical body and a mounting base 70 arranged along the peripheral circumference of the cylinder for fixing with the end of the motor. The mounting base 70 is fixed to the motor end by a fixing member such as a bolt and a nut, and it should be noted that the motor end here may be, for example, a surface of the motor, or a transitional mounting structure mounted on/in an outer surface/inner portion of the motor, such as a general plate-like structure or a lower mount bracket as will be mentioned later, and so on. A lower conductive core 22 is vertically inserted in the center of the lower insulator seat 20, the lower conductive core 22 is a tubular conductive body, and the upper end of the lower conductive core 22 is provided with a first slot 24 with an inner hole diameter matched with the second end 16 of the upper conductive core 12 so as to accommodate the insertion of the second end 16 of the upper conductive core; the lower extreme is provided with first wiring groove 26, and the inside cable 400 of motor penetrates in this first wiring groove 26 and welds to realize that the inside cable 400 of motor is linked together with external cable 300, or other easily known connected modes, no longer give unnecessary details here. Therefore, the determined length of the cable 400 in the motor can be accurately calculated and reserved during the design and manufacture of the motor so as to be welded with the lower insulator seat 20, and the cable with the redundant length is not required to be reserved for being welded to an insulating terminal in a junction box in the later period, so that the waste of a cable copper wire is avoided.

Preferably, the bottom end 102 of the upper insulator seat 10 and the top end 201 of the lower insulator seat 20 form a sealing structure. Specifically, the insulator upper seat 10 and the insulator lower seat 20 are designed as a set of assembly bodies, the edge portions of which are matched in shape, and when the upper seat conductive core 12 is inserted into the lower seat conductive core 22, the bottom end 102 of the insulator upper seat 10 and the top end 201 of the insulator lower seat 20 are just combined to form a sealing structure.

Furthermore, a sealing gasket can be arranged between the bottom end 102 of the upper insulator seat 10 and the top end 201 of the lower insulator seat 20 to ensure a better insulation effect, so that the safety coefficient is higher, and especially a large motor can generate higher voltage during electric connection.

In order to improve the insulation effect, for example, vacuum pumping, insulation gas injection, and the like can be adopted, and are not described in detail herein.

Preferably, the second end 16 of the upper conductive core is a tapered structure, and in particular, the second end 16 of the upper conductive core is a tapered structure with a wide top and a narrow bottom, and the first slot 24 also has a suitable taper, so that when the second end 16 of the upper conductive core is inserted into the first slot 24, the interference fit between the two ends realizes a tight and reliable conductive connection.

According to another exemplary embodiment, the wiring device further includes a lower seat mounting bracket 30, and the insulator lower seat 20 is fixed to a motor end by being mounted on the lower seat mounting bracket 30. Specifically, the lower base mounting frame 30 is a box structure, and the insulator lower base 20 is fixed on a lower bottom plate of the box structure so as to be protected in the box by the periphery of the box. The box body can be made of metal materials and can be detachably connected with the motor in an installing mode. The lower mount 30 can be mounted either on the outer surface of the motor or inside the motor.

Further, based on still another exemplary embodiment of the above structure, the lower seat mounting bracket 30 has a first opening, and the wiring device 100 further includes a detachable protective cover plate for covering the first opening. Preferably, the protective cover plate and the lower seat mounting frame are detachably mounted through fixing pieces such as bolts and nuts. After the motor is manufactured, the protective cover plate is mounted on the lower seat mounting frame 30 to cover the first opening, so that the insulator lower seat 20 arranged on the lower seat mounting frame 30 is not damaged in the packaging and transportation process; and after the motor is delivered to an installation site, the protective cover plate is unloaded for subsequent installation.

Further, according to another exemplary embodiment of the above structure, an elastic washer 40 is disposed at a joint of the lower insulator seat 20 and the lower seat mounting bracket 30 to protect the lower insulator seat 20 from being damaged.

According to the utility model discloses an on the other hand, the utility model discloses still provide a motor, this motor includes above termination.

According to the utility model provides a termination and motor has following advantage:

1, a standardized plug interface design is adopted, so that a wiring device of a motor can be quickly installed and configured;

2, the design and manufacturing cost of the motor is saved, and the design period of the motor is shortened;

3, the motor and the wiring device are transported and packaged separately, so that the transportation and packaging costs are reduced;

4, the used materials of the cable in the motor are standardized, and the material waste is reduced.

It should be noted that all the wiring device and the motor which are designed based on the purpose of the present invention and which use the split insulator as the starting point should fall within the scope of protection of the present patent.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wiring lug (100) adapted for use with an electric machine (200), comprising:

the junction box (1), the junction box (1) is detachably mounted and connected with the motor (200), an upper insulator seat (10) is mounted in the junction box (1), the upper insulator seat (10) is provided with an upper seat conductive core (12) inserted into the upper insulator seat, the upper seat conductive core (12) is provided with a first end (14) and a second end (16) which are opposite, and the first end (14) is connected with an external cable (300) of the motor (200);

the lower insulator seat (20) is fixed at the end of the motor (200) and is provided with a lower conductive core (22) inserted into the lower insulator seat, one end of the lower conductive core (22) is connected with an internal cable (400) of the motor (200), and the other end of the lower conductive core is provided with a first slot (24) for accommodating a second end (16) of the upper conductive core.

2. The wiring device (100) of claim 1, wherein the bottom end (102) of the upper insulator seat (10) mates with the top end (201) of the lower insulator seat (20) to form a sealed structure.

3. The wiring lug (100) of claim 1 or 2, wherein the upper conductive core second end (16) is of a tapered configuration, and the first slot (24) has a taper corresponding to the second end (16).

4. The wiring lug (100) of claim 1, wherein the wiring lug (100) further comprises a lower mount (30), the lower mount (30) being removably mounted to the motor (200), the insulator lower (20) being mounted in the lower mount (30).

5. The wiring device (100) of claim 4, wherein the lower mount (30) has a first opening, the wiring device (100) further comprising a removable protective cover plate for covering the first opening.

6. The wiring device (100) according to claim 4, wherein a resilient gasket (40) is provided at the junction of the insulator lower housing (20) and the lower housing mounting bracket (30).

7. An electric machine, characterized in that it comprises a wiring connection device (100) according to any one of claims 1-6.