A fuse and electrical connection box

Abstract

The utility model discloses an embodiment provides a kind of fusion electrical appliance connecting box, it is related to electrical appliance terminal box field. Including: electrical appliance body, connecting box, peg and locking piece;The peg has four, is respectively installed in the four corners of the connecting box;The locking piece is installed on the electrical appliance body, and four locking pieces are respectively corresponding with four peg positions;The connecting box is detachably installed on the electrical appliance body by the cooperation of peg and the locking piece. The equipment can quickly realize the quick installation and disassembly of electrical appliance connecting box, can be selected according to demand, improve the versatility of equipment, in addition, not used terminal connecting piece can also be covered, to avoid dust.

Description

Technical Field

[0001] This utility model relates to the field of electrical junction boxes, specifically to an integrated electrical junction box. Background Technology

[0002] Currently, most motors are started using the star-delta starting method, but this method results in a large current surge, which can affect the motor, control equipment, and power grid. Using a soft starter or frequency converter would be very expensive.

[0003] While closed-loop starting can balance performance and cost, its wiring and modifications are complex. To address this issue, external junction boxes are often used for quick wiring. However, current methods for connecting junction boxes to integrated electrical appliances are quite complex, and the junction boxes cannot be quickly disassembled when closed-loop starting is not required, which is inconvenient for practical use.

[0004] Based on this, the present utility model is proposed. Utility Model Content

[0005] According to an embodiment of this utility model, a fusion electrical connection box is provided to address the problems in the prior art.

[0006] In a first aspect, this utility model provides an integrated electrical connection box.

[0007] The integrated electrical connector box includes: an electrical body, a connector box, pins, and locking components;

[0008] There are four pins, which are respectively installed at the four corners of the connecting box; the locking parts are installed on the electrical body, and the four locking parts correspond to the positions of the four pins respectively; the connecting box is detachably installed on the electrical body through the cooperation of the pins and the locking parts.

[0009] Preferably, the locking member has an insertion hole, and the pin is inserted into the insertion hole.

[0010] Preferably, the connection box includes an upper housing, a lower housing, and a circuit board, wherein the lower housing is embedded in the upper housing; the circuit board is mounted on the upper housing; and the circuit board is also equipped with external terminals and internal terminals.

[0011] Preferably, the electrical appliance body is equipped with a plurality of primary wiring terminals.

[0012] Preferably, the primary wiring terminal includes: a terminal cover, a terminal connector, a main line end of the connector, a closed end of the connector, and a primary line connecting wire;

[0013] The primary line connector is installed inside the electrical appliance body; one end of the terminal connector extends into the electrical appliance body, and this end is provided with the main line terminal; the main line terminal is threadedly connected to the primary line connector; the end of the terminal connector away from the primary line connector is provided with the closed terminal terminal; the terminal cover is placed on the terminal connector.

[0014] Preferably, the terminal cover is equipped with a clipping part;

[0015] The extrusion section includes: a cavity, a rotating shaft, a turntable, a torsion spring, a rotating rod, and a top block;

[0016] The cavity is formed inside the terminal cover; one end of the rotating shaft is rotatably mounted on the inner wall of the cavity; the turntable is fixedly mounted on the other end of the rotating shaft; the torsion spring is mounted between the turntable and the inner wall of the cavity; one end of the rotating rod is rotatably mounted on the turntable; the top block is rotatably mounted on the other end of the rotating rod, and the end of the top block away from the rotating rod extends out of the terminal cover.

[0017] Preferably, the pin is provided with a protrusion, the inner wall of the insertion hole is provided with a protrusion, and the protrusion and the protrusion are positioned corresponding to each other.

[0018] One or more technical solutions provided in this application have at least the following technical effects or advantages:

[0019] 1. The present invention provides a fusion electrical connection box, which enables quick connection and disassembly of the connection box and the fusion electrical body through a pin connection method, and can be quickly switched according to needs, making the equipment more versatile and easy to use.

[0020] 2. The terminal cover in this utility model can cover and shield the terminal connector as needed, preventing dust from falling onto the terminal connector when not in use and extending the service life of the equipment. At the same time, the top block can make the terminal cover more stable and prevent it from falling off.

[0021] It should be understood that the description in this utility model description section is not intended to limit the key or essential features of the embodiments of this utility model, nor is it intended to restrict the scope of this utility model. Other features of this utility model will become readily apparent from the following description. Attached Figure Description

[0022] The above and other features, advantages, and aspects of the various embodiments of the present invention will become more apparent from the accompanying drawings and the following detailed description. In the drawings, the same or similar reference numerals denote the same or similar elements, wherein:

[0023] Figure 1A schematic diagram of the left side structure of the fusion electrical connection box according to an embodiment of the present invention is shown;

[0024] Figure 2 A schematic diagram of the right side structure of the fusion electrical connection box according to an embodiment of the present invention is shown;

[0025] Figure 3 A right view of a fusion electrical connection box according to an embodiment of the present invention is shown;

[0026] Figure 4 A front view of the fusion electrical connection box according to an embodiment of the present invention is shown;

[0027] Figure 5 A left view of a fusion electrical connection box according to an embodiment of the present invention is shown;

[0028] Figure 6 An exploded view of the fusion electrical connection box according to an embodiment of the present invention is shown;

[0029] Figure 7 A schematic diagram of the inverted state structure of the fusion electrical connection box according to an embodiment of the present invention is shown;

[0030] Figure 8 An exploded view of the connection box of the fusion electrical connection box according to an embodiment of the present invention is shown;

[0031] Figure 9 A schematic diagram showing the terminal cover and terminal connector of the fusion electrical connection box according to an embodiment of the present invention in a separated state is shown;

[0032] Figure 10 A front view of the primary line connecting component of the fusion electrical connection box according to an embodiment of the present invention is shown;

[0033] Figure 11 A schematic diagram of the structure of the fusion electrical connection box terminal connector according to an embodiment of the present invention is shown;

[0034] Figure 12 A right sectional view of the terminal cover of the fusion electrical connection box according to Embodiment 2 of the present invention is shown;

[0035] Figure 13 A front sectional view of the terminal cover of the fusion electrical connection box according to Embodiment 2 of the present invention is shown;

[0036] Figure 14 A schematic diagram of the structure of the fusion electrical connection box pin according to Embodiment 3 of the present invention is shown.

[0037] The attached figures are labeled as follows:

[0038] 1. Electrical body; 2. Connector box; 21. Upper housing of connector box; 22. Lower housing of connector box; 23. Circuit board; 231. External wiring terminal; 232. Internal wiring terminal; 3. Primary wiring terminal; 31. Terminal cover; 3101. Cavity; 3102. Shaft; 3103. Turntable; 3104. Torsion spring; 3105. Rotating rod; 3106. Top block; 32. Terminal connector; 321. Main line end of connector; 322. Closed end of connector; 33. Primary line connector; 4. Pin; 401. Protrusion; 5. Locking element; 501. Socket; 502. Protrusion. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0040] Furthermore, the term "and / or" in this article is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, the character " / " in this article generally indicates that the preceding and following related objects have an "or" relationship.

[0041] Example 1:

[0042] Currently, most motors use star-delta starting, but this method results in a large current surge, affecting the motor, control equipment, and power grid. While closed-loop starting balances performance and cost, its wiring and modifications are complex. This design facilitates wiring and installation. Furthermore, when closed-loop starting is not used, the interfaces can be left idle or removed to reduce costs. When closed-loop starting is required, the closed-loop circuit can be easily connected either in the factory or on-site, allowing for a quick switch to closed-loop starting mode for the control system.

[0043] like Figures 1 to 8As shown, the integrated electrical connection box includes an electrical body 1, a connection box 2, primary terminals 3, pins 4, and locking components 5. The electrical body 1 can be of any form, such as a control cabinet similar to a traditional control system composed of multiple electrical appliances; in this embodiment, it can also be an integrated electrical appliance, i.e., an integrated power device. The electrical body 1 contains the primary and secondary wiring required for the star-delta starting of the motor and may include a controller. Several primary terminals 3 are installed on the electrical body 1. The connection box 2 is responsible for controlling the operation of the external closed circuit, controlling the opening and closing of the contactor in the external closed circuit. The primary terminals 3 are responsible for connecting one end of the external closed starting circuit to the star-delta starting system; all of the above are existing devices. The connection box 2 includes an upper housing 21 and a lower housing 22, with the lower housing 22 embedded within the upper housing 21, forming a space between them for mounting electrical components. A circuit board 23 is mounted on the upper housing 21, and external terminals 231 and internal terminals 232 are also installed on the circuit board 23. External wiring terminals 231 are exposed outside the connector box 2, and are responsible for connecting to the closed-loop start-up circuit harness. Quick-connect terminals are used in this example for easy and rapid wiring. The lower housing 22 of the connector box has an opening exposing the internal wiring terminals 232, allowing the internal wiring terminals 232 to be directly exposed inside the electrical appliance 1. The internal wiring terminals 232 are responsible for connecting to the controller inside or outside the electrical appliance 1.

[0044] It is worth noting that in actual use, if the closed-loop function is not required, the connector box 2 can be completely omitted, or the circuit board 23 can be omitted during the assembly of the connector box 2. When the closed-loop function is required, simply insert the connector box 2 into the appliance body 1.

[0045] Four pins 4 are installed at the four corners of the connecting box 2. Locking members 5 are installed on the electrical body 1, with each of the four locking members 5 corresponding to one of the four pins 4. Each locking member 5 has a socket 501 into which the pins 4 are inserted. The connecting box 2 is detachably installed on the electrical body 1 through the cooperation of the pins 4 and the locking members 5. The pins 4 are screws, and the inner wall of the socket 501 has internal threads adapted to the pins 4, allowing the connecting box 2 to be fixedly connected to the electrical body 1 by screwing.

[0046] refer to Figure 9 , Figure 10 and Figure 11 The primary terminal block 3 includes: terminal cover 31, terminal connector 32, connector main line end 321, connector closed end 322, primary line connector 33, and top block 3106.

[0047] The primary line connector 33 is installed inside the electrical appliance body 1 and is part of the electrical appliance body 1 for connection with the terminal connector 32. In this embodiment, both the primary line connector 33 and the terminal connector 32 are of general-purpose type. The terminal connector 32 is made of conductive material and can carry the voltage and current required for closed-loop start-up. One end of the terminal connector 32 extends into the electrical appliance body 1 and is provided with a main line terminal 321, which is threaded onto the primary line connector 33. The end of the terminal connector 32 away from the primary line connector 33 is exposed outside the electrical appliance body 1 and is recessed relative to the electrical appliance body 1. This end is provided with a closed-loop terminal terminal 322. The terminal cover 31 is placed on the terminal connector 32. The terminal cover 31 has one or two top blocks 3106. These top blocks 3106 are made of rubber and have a certain degree of elasticity. When the terminal cover 31 is placed over the recessed area of ​​the terminal connector 32 relative to the electrical body 1, the top blocks 3106 are forced to deform and make tight contact with the interior of the recess, thus fixing the terminal cover 31 in place and ensuring stable shielding of the terminal connector 32. In this example, the closed end 322 of the connector is a threaded interface, which can be used for wiring external closed circuits. When the closed circuit is not needed, the closed end 322 of the connector is shielded by the terminal cover 31, preventing damage or leakage. After removing the terminal cover 31, the closed end 322 of the connector is exposed for wiring.

[0048] Example 2:

[0049] refer to Figure 9 , Figure 12 and Figure 13The difference between this embodiment and Embodiment 1 is that a clamping part is installed in the terminal cover 31. The clamping part includes: a cavity 3101, a rotating shaft 3102, a turntable 3103, a torsion spring 3104, and a rotating rod 3105. Furthermore, in this embodiment, the top block 3106 can move radially relative to the terminal cover 31, and the movement of the top block 3106 is stabilized by the limiting effect of the outer wall of the terminal cover 31. The cavity 3101 is formed inside the terminal cover 31. One end of the rotating shaft 3102 is rotatably mounted on the inner wall of the cavity 3101, and the turntable 3103 is fixedly mounted on the other end of the rotating shaft 3102. The turntable 3103 and the rotating shaft 3102 can rotate together. A torsion spring 3104 is installed between the turntable 3103 and the inner wall of the cavity 3101, with its two ends fixed to the turntable 3103 and the inner wall of the cavity 3101, respectively. The rotation of the turntable 3103 forces the torsion spring 3104 to deform. After the external force is removed, the torsion of the torsion spring 3104 can restore the turntable 3104 to its original position. One end of the rotating rod 3105 is rotatably mounted on the turntable 3103, and the top block 3106 is rotatably mounted on the other end of the rotating rod 3105. The end of the top block 3106 away from the rotating rod 3105 extends out of the terminal cover 31. When in use, manually pressing the top block 3106 allows the rotating rod 3105 to rotate the turntable 3103 and deform the torsion spring 3104, which is more conducive to placing the terminal cover 31 in place. After the external force is removed, the torque of the torsion spring 3104 forces the top block 3106 to move outward, which can tightly fit the inner wall of the terminal connector 32 relative to the recess of the electrical body 1, preventing it from falling off.

[0050] Example 3:

[0051] refer to Figure 6 and Figure 14 The difference between this embodiment and Embodiment 1 is that: a protrusion 401 is installed on the pin 4, and a protrusion 502 is installed on the inner wall of the insertion hole 501. The positions of the protrusion 401 and the protrusion 502 correspond to each other. The protrusion 401 and the protrusion 502 are both soft pads made of rubber material, which have elastic deformation capability. In this embodiment, both the pin 4 and the insertion hole 501 are smoothly arranged. When installing the pin 4, the positions of the protrusion 401 and the protrusion 502 are aligned, so that the pin 4 is inserted into the insertion hole 501. The elasticity of the two forces them to deform, so that the protrusion 401 and the protrusion 502 are in close contact with each other. The friction force makes the pin 4 stably installed. When disassembling, the pin 4 is rotated so that the protrusion 401 and the protrusion 502 are staggered, and the pin 4 can be easily removed.

[0052] The specific embodiments described above do not constitute a limitation on the scope of protection of this utility model. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A fusion electrical connection box, characterized in that, include: Electrical body (1), connecting box (2), pin (4) and locking part (5); There are four pins (4), which are installed at the four corners of the connecting box (2); the locking parts (5) are installed on the electrical body (1), and the four locking parts (5) correspond to the positions of the four pins (4); the connecting box (2) is detachably installed on the electrical body (1) through the cooperation of the pins (4) and the locking parts (5).

2. The fusion electrical connection box according to claim 1, characterized in that, The locking member (5) has an insertion hole (501) and the pin (4) is inserted into the insertion hole (501).

3. The fusion electrical connection box according to claim 2, characterized in that, The connection box (2) includes an upper housing (21), a lower housing (22), and a circuit board (23). The lower housing (22) is embedded in the upper housing (21). The circuit board (23) is mounted on the upper housing (21). External wiring terminals (231) and internal wiring terminals (232) are also mounted on the circuit board (23).

4. The fusion electrical connection box according to claim 3, characterized in that, The electrical body (1) is equipped with several primary wiring terminals (3).

5. The fusion electrical connection box according to claim 4, characterized in that, The primary terminal block (3) includes: a terminal cover (31), a terminal connector (32), a connector main line end (321), a connector closed end (322), and a primary line connecting wire (33). The primary line connector (33) is installed inside the electrical body (1); one end of the terminal connector (32) extends into the electrical body (1), and the terminal is provided with a main line terminal (321); the main line terminal (321) is threadedly connected to the primary line connector (33); the terminal connector (32) is provided with a closed terminal (322) at the end away from the primary line connector (33); the terminal cover (31) is placed on the terminal connector (32).

6. The fusion electrical connection box according to claim 5, characterized in that, A clip is installed in the terminal cover (31); The extrusion section includes: a cavity (3101), a rotating shaft (3102), a turntable (3103), a torsion spring (3104), a rotating rod (3105), and a top block (3106). The cavity (3101) is formed inside the terminal cover (31); one end of the rotating shaft (3102) is rotatably mounted on the inner wall of the cavity (3101); the turntable (3103) is fixedly mounted on the other end of the rotating shaft (3102); the torsion spring (3104) is mounted between the turntable (3103) and the inner wall of the cavity (3101); one end of the rotating rod (3105) is rotatably mounted on the turntable (3103); the top block (3106) is rotatably mounted on the other end of the rotating rod (3105), and the end of the top block (3106) away from the rotating rod (3105) extends out of the terminal cover (31).

7. The fusion electrical connection box according to claim 6, characterized in that, A protrusion (401) is installed on the pin (4), and a protrusion (502) is installed on the inner wall of the insertion hole (501), and the protrusion (401) and the protrusion (502) are positioned correspondingly.

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