Explosion-proof motor junction box

By introducing a heat-conducting rod and a heat dissipation mechanism into the explosion-proof motor junction box, efficient heat dissipation under sealed conditions is achieved, solving the problem of overheating of the junction box and ensuring the safe operation of the explosion-proof motor.

CN224054013UActive Publication Date: 2026-03-27SHANDONG NEW NANYANG MOTOR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-22
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing explosion-proof motor junction boxes have poor heat dissipation, which may lead to overheating problems even with a sealed design.

Method used

It employs a heat conduction mechanism and a heat dissipation mechanism, including a heat conduction rod, a heat sink, a water-cooling coil, and an air outlet. Heat is conducted to the heat sink through the heat conduction rod, and efficient heat dissipation is achieved through the water-cooling coil and the air outlet.

Benefits of technology

While ensuring sealing performance, the heat inside the junction box is quickly discharged to avoid overheating and ensure the safe operation of the explosion-proof motor.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224054013U_ABST
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Abstract

The utility model relates to the technical field of explosion-proof motor equipment, in particular to an explosion-proof motor junction box which comprises an explosion-proof motor, and a junction box is arranged on the upper portion of the explosion-proof motor. The heat conduction mechanism comprises a first heat conduction rod and a second heat conduction rod, the first heat conduction rod is arranged on the two sides of the junction box in a penetrating mode, the second heat conduction rod is arranged on the upper portion of the junction box in a penetrating mode, and the upper portion of the first heat conduction rod and the upper portion of the second heat conduction rod are both connected with the heat dissipation plate; the heat dissipation mechanism comprises a water cooling coil pipe and an air outlet row, the water cooling coil pipe is arranged on the upper portion of the heat dissipation plate in an attached mode, and the air outlet row is arranged below the heat dissipation plate; the explosion-proof motor junction box solves the problem that a traditional explosion-proof motor junction box is poor in heat dissipation effect.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of explosion -proof motor equipment, concretely relates to an explosion -proof motor terminal box. BACKGROUND

[0002] The explosion -proof motor terminal box is a special component installed on the explosion -proof motor and is used for connecting the power line and the control line of the motor and simultaneously has the explosion -proof function. The main function is to ensure that the electrical connection of the motor is safe in operation in the environment with potential explosion risk and prevents the spark or high temperature that can cause explosion from contacting the external combustible and explosive gas and dust.

[0003] The Chinese patent with the patent publication No. CN222072907U discloses an explosion -proof motor terminal box with a quick assembly function and belongs to the technical field of explosion -proof motors. The terminal box comprises a bottom box and a top cover. The bottom box is fixed on the shell of the motor through screws. The bottom box is integrally formed with guide grooves at the four corners. Locking mechanisms are symmetrically arranged on the two sides of the inside of the bottom box. The locking mechanism comprises a lock shell fixed in the bottom box. The lock shell has a stop block in the middle. First springs are symmetrically fixed on the two sides of the stop block. Lock rods are fixed at the end of the first springs. The lock rods slide linearly along the lock shell.

[0004] The existing explosion -proof motor terminal box needs high sealing performance to avoid the contact between the electronic components in the terminal box and the outside environment and cause danger. However, the sealing design limits the heat dissipation inside. If the connected cable or equipment works for a long time, overheating may occur. Therefore, it is necessary to develop an explosion -proof motor terminal box with good heat dissipation performance and sealing effect. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an explosion -proof motor terminal box, which solves the problem of poor heat dissipation effect of the traditional explosion -proof motor terminal box.

[0006] The utility model solves the technical problems by adopting the technical scheme:

[0007] The utility model provides an explosion -proof motor terminal box, which comprises an explosion -proof motor, and the upper portion of the explosion -proof motor is provided with a terminal box.

[0008] A heat conduction mechanism is arranged on the terminal box. The heat conduction mechanism comprises a first heat conduction rod and a second heat conduction rod. The first heat conduction rod is arranged through the two sides of the terminal box. The second heat conduction rod is arranged through the upper portion of the terminal box. The upper portions of the first heat conduction rod and the second heat conduction rod are connected with a heat dissipation plate.

[0009] A heat dissipation mechanism is arranged on the terminal box. The heat dissipation mechanism comprises a water cooling coil and an air outlet. The water cooling coil is arranged on the upper portion of the heat dissipation plate. The air outlet is arranged below the heat dissipation plate.

[0010] Further, both sides of the heat dissipation plate are provided with heat dissipation fins.

[0011] Further, the upper portion of the explosion-proof motor is provided with a support plate, the upper portion of the support plate is provided with a fan, the output end of the fan is provided with an air outlet pipe, the upper portion of the air outlet pipe is connected with an air outlet row, the input end of the fan is provided with an air inlet pipe, and the upper portion of the air inlet pipe is connected with the air outlet row.

[0012] Further, the air outlet row is in the shape of a rectangular frame, and the upper portion of the air outlet row is provided with a plurality of air outlets.

[0013] Further, the first heat conduction rod, the second heat conduction rod and the heat dissipation plate are all made of copper.

[0014] Further, one end of the water cooling coil pipe is provided with a water inlet, and the other end is provided with a water outlet.

[0015] Further, the first heat conduction rod is in the shape of a C-shaped letter, and the second heat conduction rod is in the shape of a straight line.

[0016] The technical effect of the utility model:

[0017] Compared with the prior art, the explosion-proof motor junction box related to the utility model, by setting the first heat conduction rod and the second heat conduction rod, the device can quickly output the heat inside the junction box under the premise of ensuring the sealing performance, and the safety of the explosion-proof motor is ensured, by setting the water cooling coil pipe and the air outlet row, the heat dissipation efficiency of the heat dissipation plate is higher, the temperature of the junction box is effectively prevented from being too high, and the safe operation of the explosion-proof motor is ensured. DETAILED DESCRIPTION

[0018] Figure 1 It is the first perspective three-dimensional structure schematic view of the utility model;

[0019] Figure 2 It is the A part structure enlarged schematic view of the utility model; Figure 1

[0020] Figure 3 It is the front view of the utility model;

[0021] Figure 4 It is the plan view of the utility model.

[0022] Among them:

[0023] 1, explosion-proof motor; 2, junction box; 3, first heat conduction rod; 4, heat dissipation plate; 5, heat dissipation fin; 6, water cooling coil pipe; 7, water inlet; 8, water outlet; 9, support plate; 10, fan; 11, air outlet pipe; 12, air inlet pipe; 13, air outlet row; 14, air outlet; 15, second heat conduction rod. CONCRETE IMPLEMENTATION ​

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example:

[0026] like Figures 1-4 As shown in this embodiment, an explosion-proof motor junction box includes an explosion-proof motor 1, with a junction box 2 located on the upper part of the explosion-proof motor 1; a heat conduction mechanism, which includes a first heat conduction rod 3 and a second heat conduction rod 15. The first heat conduction rod 3 is disposed through both sides of the junction box 2, and the second heat conduction rod 15 is disposed through the upper part of the junction box 2. The first heat conduction rod 3 and the second heat conduction rod 15 are used to quickly transfer heat inside the junction box 2, completing heat dissipation of the junction box 2 while ensuring its sealing. The first heat conduction rod 3 is C-shaped, and the second heat conduction rod 15 is straight. By setting the first heat conduction rod 3 and the second heat conduction rod 15, the device can quickly output heat inside the junction box 2 while ensuring sealing performance, thus ensuring the safety of the explosion-proof motor 1. The upper parts of the first heat conduction rod 3 and the second heat conduction rod 15 are both connected to a heat sink 4, which is used for... The heat transferred by the second heat-conducting rod 15 is dissipated. Heat dissipation fins 5 are provided on both sides of the heat dissipation plate 4 to increase the heat dissipation area and improve its efficiency. The heat dissipation mechanism includes a water-cooling coil 6 and an air outlet 13. The water-cooling coil 6 is fitted onto the upper part of the heat dissipation plate 4, with an inlet 7 at one end and an outlet 8 at the other. The air outlet 13 is located below the heat dissipation plate 4. The water-cooling coil 6 transports cold water to exchange heat with the heat dissipation plate 4, reducing its temperature. The air outlet 13 accelerates airflow near the heat dissipation plate 4, further improving its heat dissipation effect. By using the water-cooling coil 6 and the air outlet 13, the heat dissipation efficiency of the heat dissipation plate 4 is increased, effectively preventing the junction box 2 from overheating and ensuring the safe operation of the explosion-proof motor 1.

[0027] The explosion-proof motor 1 has a support plate 9 on its upper part, and a fan 10 on the upper part of the support plate 9. The output end of the fan 10 has an air outlet pipe 11, and the upper part of the air outlet pipe 11 is connected to the air outlet 13. The input end of the fan 10 has an air inlet pipe 12, and the upper part of the air inlet pipe 12 is connected to the air outlet 13. The air outlet 13 is rectangular in shape, and the upper part of the air outlet 13 has several air outlets 14.

[0028] The first heat-conducting rod 3, the second heat-conducting rod 15 and the heat-dissipating plate 4 are all made of copper.

[0029] Working principle

[0030] When the heat dissipation of the terminal box 2 is carried out, the explosion-proof motor 1 is started, a large amount of heat is generated by the electrical components in the terminal box 2, the heat is transmitted to the heat-dissipating plate 4 through the first heat-conducting rod 3 and the second heat-conducting rod 15, then cold water is input into the water inlet 7, the cold water flows in the water-cooling coil 6 and exchanges heat with the heat-dissipating plate 4, the temperature of the heat-dissipating plate 4 is lowered, then the fan 10 is started, the air outlet 13 outputs air flow, the air near the heat-dissipating plate 4 flows rapidly, and the temperature of the heat-dissipating plate 4 is further lowered.

[0031] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0032] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description manner of the specification is only for the sake of clarity, the skilled person should regard the specification as a whole, the technical solutions in each embodiment can also be properly combined to form other embodiments that can be understood by the skilled person.

Claims

1. An explosion-proof motor junction box characterized by comprising: Include: Explosion-proof motor, the upper part of the explosion-proof motor is provided with a terminal box; Heat conduction mechanism, the heat conduction mechanism includes first heat conduction rod and second heat conduction rod, the first heat conduction rod is arranged on both sides of the terminal box, the second heat conduction rod is arranged on the upper part of the terminal box, the upper part of the first heat conduction rod and the second heat conduction rod is connected with the heat dissipation plate; The heat dissipation mechanism includes water cooling coil and air outlet row, the water cooling coil is arranged on the upper part of the heat dissipation plate, the air outlet row is arranged below the heat dissipation plate.

2. An explosion-proof motor terminal box according to claim 1, characterized in that: Both sides of the heat dissipation plate are provided with heat dissipation fins.

3. An explosion-proof motor terminal box according to claim 1, characterized in that: The upper part of the explosion-proof motor is provided with a support plate, the upper part of the support plate is provided with a fan, the output end of the fan is provided with an air outlet pipe, the upper part of the air outlet pipe is connected with the air outlet row, the input end of the fan is provided with an air inlet pipe, the upper part of the air inlet pipe is connected with the air outlet row.

4. An explosion-proof motor terminal box according to claim 3, characterized in that: The shape of the air outlet row is rectangular frame, the upper part of the air outlet row is provided with a plurality of air outlets.

5. An explosion-proof motor terminal box according to claim 1, wherein: The first heat conduction rod, the second heat conduction rod and the heat dissipation plate are made of copper.

6. An explosion-proof motor terminal box according to claim 1, wherein: One end of the water cooling coil is provided with a water inlet, the other end is provided with a water outlet.

7. An explosion-proof motor terminal box according to claim 1, wherein: The shape of the first heat conduction rod is C-shaped, the shape of the second heat conduction rod is linear.

Citation Information

Patent Citations

  • Junction box with quick assembly function for explosion-proof motor

    CN222072907U