Heat dissipation bus duct joint
By introducing a radiator into the busbar trough joint and an optimized heat dissipation through-hole structure, the problem of insufficient heat dissipation of the existing busbar trough connector is solved, better heat dissipation effect is achieved, and the power output capability of the busbar is improved.
Patent Information
- Application Number
- CN202421340592.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-13
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-13
AI Technical Summary
In the use of high-power busbars, due to insufficient heat dissipation, heat accumulates at the connection, limiting the power output of the busbar.
A heat dissipation busbar groove joint is designed, and a joint body including a first shell, a first insulating partition, a number of second insulating partitions, a third insulating partition and a second shell are used. A radiator and a spacer are provided in the insulating partition, so that the heat dissipation effect is further improved through the heat dissipation through the heat dissipation through holes and covers.
By introducing a radiator into the busbar trough joint and an optimized heat dissipation through-hole structure, it effectively dissipates heat and avoids heat accumulation, which significantly improves the heat dissipation effect of the busbar trough joint.
Smart Images

Figure CN222673865U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of bus ducts, in particular to a heat dissipating bus duct joint. Background Art
[0002] At present, the utility model patent "A Fire-Resistant Bus Duct Connector" with announcement number CN 215897241 U discloses a fire-resistant bus duct connector, and the key points of its technical solution are: comprising a first shell, a second shell, a first insulating partition, a plurality of second insulating partitions, a third insulating partition, an insulating sleeve, at least one torque bolt and at least one torque nut compatible with the torque bolt; the insulating sleeve sequentially penetrates the first insulating partition, the second insulating partition and the third insulating partition; the torque bolt sequentially penetrates the first shell, the insulating sleeve and the second shell and is threadedly connected with the torque nut; conductive copper plates are provided on one side of the first insulating partition close to the second insulating partition, on both sides of the second insulating partition and on one side of the second insulating partition close to the second insulating partition; a first side plate is provided at one end of the outer side of the first shell, and a second side plate is provided at the other end of the outer side; a third side plate is provided at one end of the outer side of the second shell, and a fourth side plate is fixedly provided at the other end of the outer side.
[0003] It realizes the connection of the bus duct and is easy to use. However, due to the high power of the bus, it often generates a lot of heat. The connection of the bus duct cannot dissipate heat, which will greatly limit the power of the bus. Utility Model Content
[0004] The utility model aims to overcome the deficiencies of the prior art and provide a heat dissipating bus duct joint, which can avoid heat accumulation in the bus duct joint and has a good heat dissipation effect.
[0005] The purpose of this utility model is achieved through the following technical solutions:
[0006] A heat-dissipating bus duct joint, comprising a locking structure and a joint body, wherein the locking structure locks the joint body; the joint body comprises a first shell, a first insulating partition, a plurality of second insulating partitions, a third insulating partition and a second shell arranged in sequence; a conductive plate is provided on one side of the first insulating partition close to the second insulating partition, on both sides of the second insulating partition and on one side of the third insulating partition close to the second insulating partition; the conductive plate is insulated from the locking structure; the first insulating partition and the third insulating partition both comprise a phase-isolating block and a radiator, the radiators of the first insulating partition and the third insulating partition are respectively close to the first shell and the second shell; the second insulating partition comprises a radiator and two phase-isolating blocks, the radiator of the second insulating partition is provided between the two phase-isolating blocks.
[0007] Furthermore, the heat sink is provided with a plurality of heat dissipation through holes.
[0008] Furthermore, the heat dissipation through hole is not arranged on the heat sink near the locking structure.
[0009] Furthermore, the thickness of the heat sink near the locking structure is lower than the thickness of the heat dissipation through hole on the heat sink.
[0010] Furthermore, cover plates are provided on opposite sides of the joint body, and the cover plates are provided to cover the openings of the heat dissipation through holes.
[0011] Furthermore, the heat sinks of the first insulating partition and the third insulating partition are both provided with phase isolation blocks toward the outside of the joint body.
[0012] Furthermore, the locking structure includes at least one connecting rod and at least one locking piece matched with the connecting rod, one end of the connecting rod is provided with a limit head, and the other end of the connecting rod passes through the first shell, the first insulating partition, all the second insulating partitions, the third insulating partition and the second shell in sequence and then is connected to the locking piece.
[0013] Furthermore, the connecting rod is a torque bolt, and the locking piece is a torque nut.
[0014] Furthermore, the limiting head of the torque bolt is a bolt head, and one end of the bolt head away from the torque bolt is fixedly connected with a stress-bearing breaking part and a twisting part in sequence, and the screw rod of the torque bolt passes through the joint body and is threadedly connected with the torque nut.
[0015] Furthermore, a first washer and a second washer are sleeved on the screw rod of the torque bolt, the first washer is arranged between the bolt head and the first shell, and the second washer is arranged between the second shell and the torque nut.
[0016] The beneficial effects of the utility model are:
[0017] The radiator can dissipate heat for the busbars plugged in at both sides of the radiator, thus preventing heat from accumulating at the busbar duct joints, and achieving good heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a structural schematic diagram of embodiment 1;
[0019] Figure 2 It is a structural schematic diagram of Embodiment 2;
[0020] In the figure, 1-first shell, 2-first insulating partition, 3-second insulating partition, 4-third insulating partition, 5-second shell, 6-heat sink, 7-phase isolation block, 8-heat dissipation hole, 9-bolt head, 10-stress fracture part, 11-twisting part, 12-screw, 13-first washer, 14-second washer, 15-torque nut. DETAILED DESCRIPTION
[0021] The following describes the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.
[0022] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention, and thus the drawings only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed at will, and the component layout may also be more complicated.
[0023] Embodiment 1:
[0024] like Figure 1 As shown, a heat-dissipating busbar joint comprises a locking structure and a joint body, wherein the locking structure locks the joint body; the joint body comprises a first shell 1, a first insulating partition 2, a plurality of second insulating partitions 3, a third insulating partition 4 and a second shell 5 which are arranged in sequence; a conductive plate is arranged on one side of the first insulating partition 2 close to the second insulating partition 3, on both sides of the second insulating partition 3 and on one side of the third insulating partition 4 close to the second insulating partition 3; the conductive plate is insulated from the locking structure; the first insulating partition 2 and the third insulating partition 4 both comprise a phase-isolating block 7 and a heat sink 6, and the heat sinks 6 of the first insulating partition 2 and the third insulating partition 4 are respectively close to the first shell 1 and the second shell 5; the second insulating partition 3 comprises a heat sink 6 and two phase-isolating blocks 7, and the heat sink 6 of the second insulating partition 3 is arranged between the two phase-isolating blocks 7.
[0025] The radiator 6 can dissipate heat for the busbars plugged in at both sides of the radiator 6 , thereby preventing heat from accumulating at the busbar duct joints, and achieving a good heat dissipation effect.
[0026] A connecting groove is formed between adjacent conductive plates for plugging the busbars of the bus duct.
[0027] The insulation between the conductive plate and the locking structure may be achieved by using an insulating sleeve.
[0028] The conductive plate is arranged on the phase isolation block 7 .
[0029] The heat sink 6 is provided with a plurality of heat dissipation through holes 8 .
[0030] The heat dissipation through hole 8 is not arranged on the heat sink 6 near the locking structure.
[0031] The thickness of the heat sink 6 near the locking structure is lower than the thickness of the heat dissipation through hole 8 on the heat sink 6 .
[0032] This saves material, and at the same time, a heat dissipation hole is also formed between the radiator 6 near the locking structure and the phase isolation block 7, further improving the heat dissipation effect.
[0033] Cover plates are provided on opposite sides of the joint body, and the cover plates are provided to cover the openings of the heat dissipation through holes 8 .
[0034] The cover plate is provided with a waterproof rubber strip to prevent water from flowing into the joint body.
[0035] The phase isolation block 7 is a resin phase isolation block 7 .
[0036] The locking structure includes at least one connecting rod and at least one locking piece matched with the connecting rod, one end of the connecting rod is provided with a limit head, and the other end of the connecting rod passes through the first shell 1, the first insulating partition 2, all the second insulating partitions 3, the third insulating partition 4 and the second shell 5 in sequence and then is connected to the locking piece.
[0037] The connecting rod is a torque bolt, and the locking piece is a torque nut 15.
[0038] The limiting head of the torque bolt is a bolt head 9, and one end of the bolt head 9 away from the torque bolt is fixedly connected with a stress-bearing breaking part 10 and a twisting part 11 in sequence. The screw rod 12 of the torque bolt passes through the joint body and is threadedly connected with the torque nut 15.
[0039] A first washer 13 and a second washer 14 are sleeved on the screw rod 12 of the torque bolt. The first washer 13 is arranged between the bolt head 9 and the first housing 1 , and the second washer 14 is arranged between the second housing 5 and the torque nut 15 .
[0040] Embodiment 2:
[0041] like Figure 2 As shown, the second embodiment has all the features of the first embodiment, except that:
[0042] The heat sinks 6 of the first insulating partition 2 and the third insulating partition 4 are both provided with phase isolation blocks 7 facing the outside of the joint body.
[0043] In this way, the first insulating partition 2, the second insulating partition 3 and the third insulating partition 4 have the same structure and do not need to be distinguished during installation, which makes the production more unified and convenient.
[0044] The above-mentioned embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.
Claims
1. A heat dissipation busbar joint, comprising a locking structure and a joint body, wherein the locking structure locks the joint body; the joint body comprises a first shell, a first insulating partition, a plurality of second insulating partitions, a third insulating partition and a second shell arranged in sequence; a conductive plate is disposed on one side of the first insulating partition close to the second insulating partition, on both sides of the second insulating partition and on one side of the third insulating partition close to the second insulating partition; the conductive plate is insulated from the locking structure; and the characteristics are as follows: The first insulating partition and the third insulating partition both include a phase-isolating block and a heat sink, and the heat sinks of the first insulating partition and the third insulating partition are respectively close to the first shell and the second shell; the second insulating partition includes a heat sink and two phase-isolating blocks, and the heat sink of the second insulating partition is arranged between the two phase-isolating blocks.
2. A heat dissipating bus duct joint according to claim 1, characterized in that: The radiator is provided with a plurality of heat dissipation through holes.
3. A heat dissipating bus duct joint according to claim 2, characterized in that: The heat dissipation through hole is not arranged on the heat sink near the locking structure.
4. The heat dissipating bus duct joint according to claim 3, characterized in that: The thickness of the heat sink near the locking structure is lower than the thickness of the heat dissipation through hole on the heat sink.
5. The heat dissipating bus duct joint according to claim 2, characterized in that: Cover plates are provided on opposite sides of the joint body, and the cover plates are arranged to cover the openings of the heat dissipation through holes.
6. The heat dissipating bus duct joint according to claim 1, characterized in that: The heat sinks of the first insulating partition and the third insulating partition are both provided with phase isolation blocks toward the outside of the joint body.
7. The heat dissipating bus duct joint according to claim 1, characterized in that: The locking structure includes at least one connecting rod and at least one locking piece matched with the connecting rod, one end of the connecting rod is provided with a limit head, and the other end of the connecting rod sequentially passes through the first shell, the first insulating partition, all the second insulating partitions, the third insulating partition and the second shell and is connected to the locking piece.
8. The heat dissipating bus duct joint according to claim 7, characterized in that: The connecting rod is a torque bolt, and the locking piece is a torque nut.
9. The heat dissipating bus duct joint according to claim 8, characterized in that: The limiting head of the torque bolt is the bolt head, and one end of the bolt head away from the torque bolt is fixedly connected with a stress-bearing breaking part and a twisting part in sequence. The screw rod of the torque bolt passes through the joint body and is threadedly connected with the torque nut.
10. The heat dissipating bus duct joint according to claim 9, characterized in that: A first washer and a second washer are sleeved on the screw rod of the torque bolt, the first washer is arranged between the bolt head and the first shell, and the second washer is arranged between the second shell and the torque nut.
Citation Information
Patent Citations
Fireproof bus duct connector
CN215897241U