Flue type resistance box with heat dissipation structure

The closed air duct structure and shock-absorbing moving mechanism solve the problem of temperature increase at the bottom of the resistance box, achieve effective heat dissipation and shock absorption, and ensure the normal operation and safety of the resistance box.

CN223471456UActive Publication Date: 2025-10-24WUHAN NENTRON TECH CO LTD
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Patent Information

Application Number
CN202422283781.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-19
Publication Date
2025-10-24
Estimated Expiration
2034-09-19

AI Technical Summary

Technical Problem

The existing resistance box dissipates heat through the heat dissipation holes on the surrounding side panels, which causes the temperature of the bottom of the resistance box to rise, affecting the working efficiency of the resistance box.

Method used

It adopts a closed air duct structure, using mica enclosure and resistor box to form a closed air duct. The heat dissipation fan is installed at the bottom of the load cabinet to directly exhaust heat to the top outlet. The heat dissipation effect is improved by the air guide vanes and heat sinks. At the same time, a temperature switch is installed to prevent overheating damage. A shock-absorbing moving mechanism is set at the bottom, which absorbs vibration through moving wheels, pads and damping shock absorption components.

Benefits of technology

It effectively reduces the temperature at the bottom of the resistor box, prevents overheating damage, ensures the normal operation of the resistor box, and improves the shock absorption effect during movement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embodiment of the utility model provides a flue type resistance box with a heat dissipation structure, and relates to the technical field of heat dissipation of resistance boxes. The flue type resistance box heat dissipation structure and temperature protection comprises a load cabinet, a first signal lamp is fixedly installed on the front side surface of the load cabinet, a second signal lamp is installed above the surface of the first signal lamp, a display screen is fixedly installed on one side of the second signal lamp, and a locking device is movably connected to the front side surface of the load cabinet. A heat dissipation mechanism is installed at the bottom of an inner cavity of the load cabinet, and a shock-proof moving mechanism is arranged at the bottom of the load cabinet. According to the embodiment of the invention, the mica coaming, the first resistor box and the second resistor box form a closed air duct type structure, the heat dissipation air group is arranged at the lower part, hot air is directly exhausted to an outlet at the top of the equipment, normal work of control circuits around the first resistor box and the second resistor box is not influenced, and four temperature switches are arranged on the resistance wire partition plate; therefore, the over-temperature damage is prevented.
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Description

Technical Field

[0001] The embodiments of the present application relate to the field of heat dissipation technology for resistor boxes, and in particular to a flue-type resistor box with a heat dissipation structure. Background Art

[0002] High-power resistors are widely used in energy consumption control systems powered by variable-frequency motors, starting, speed regulation and braking control systems of industrial motors, as well as simulated loads of various industrial electrical appliances and neutral point grounding resistors in power distribution systems. A box is generally installed on the outside of the high-power resistor, which is usually called a "resistance box" or "resistor cabinet". Its function is to protect the resistor from external influences during use.

[0003] However, the existing ordinary structure of the resistor box relies on the heat dissipation holes on the surrounding side panels to dissipate heat, which causes the temperature of the bottom of the resistor box to rise and cannot dissipate heat, causing the temperature of the brake resistor box to rise, affecting the operation of the resistor box, thereby reducing the utilization efficiency of the resistor box. Utility Model Content

[0004] In view of the above problems, an embodiment of the present application provides a flue-type resistor box with a heat dissipation structure to solve the problem that the existing resistor box with a through structure relies on the heat dissipation holes on the surrounding side panels to dissipate heat, resulting in the temperature at the bottom of the resistor box to rise and unable to dissipate heat, causing the temperature of the brake resistor box to rise, affecting the operation of the resistor box.

[0005] An embodiment of the present application provides a flue-type resistor box with a heat dissipation structure, including a load cabinet, a signal light 1 being fixedly mounted on the front side surface of the load cabinet, a signal light 2 being mounted above the surface of the signal light 1, and a display screen being fixedly mounted on one side of the signal light 2, and a locking device being movably connected to the front side surface of the load cabinet, a heat dissipation mechanism being mounted on the bottom of the inner cavity of the load cabinet, and a shock-absorbing movable mechanism being provided at the bottom of the load cabinet.

[0006] The heat dissipation mechanism includes a heat dissipation component fixedly installed at the bottom of the load cabinet, and an air guide component is arranged above the heat dissipation component.

[0007] The shock-absorbing moving mechanism includes a mounting assembly fixedly mounted on the bottom of the load cabinet, and a shock-absorbing assembly is fixedly mounted on the upper surface of the mounting assembly.

[0008] In some embodiments, a resistor box 1 is fixedly installed inside the load cabinet, a resistor box 2 is fixedly installed on the upper surface of the resistor box 1, and a mica panel is fixedly connected to the upper surface of the resistor box 2.

[0009] In some embodiments, an exhaust and heat dissipation top cover is fixedly installed on the top surface of the mica enclosure, and a resistance wire partition is fixedly connected above the surface of the resistance box 2 and inside the mica enclosure, and four temperature switches are installed on the surface of the resistance wire partition.

[0010] In some embodiments, the heat dissipation assembly includes a heat dissipation base fixedly mounted on the bottom of the load cabinet, a plurality of heat dissipation air groups fixedly mounted inside the heat dissipation base, and the connection terminals of the heat dissipation air groups are electrically connected to an external power supply.

[0011] In some embodiments, the air guide assembly includes a positioning plate located above the heat dissipation base, the interior of the positioning plate is movably connected to an air guide vane, and a heat sink is fixedly mounted on the surface of the air guide vane.

[0012] In some embodiments, the shock-absorbing moving mechanism includes a connecting seat arranged at the bottom of the load cabinet, the interior of the connecting seat is movably connected to a moving wheel, and a pad is fixedly installed on the upper surface of the connecting seat.

[0013] In some embodiments, the shock-absorbing assembly includes a damping pad fixedly mounted on the upper surface of the cushion block, a shock-absorbing base fixedly mounted on the upper surface of the damping pad, and a damping shock-absorbing component fixedly connected to the upper surface of the shock-absorbing base.

[0014] Through the above scheme, the mica enclosure is used to form a closed air duct structure with the resistor box 1 and the resistor box 2. The heat dissipation air group is installed at the bottom to directly exhaust the hot air to the top outlet of the equipment without affecting the normal operation of the peripheral control circuits of the resistor box 1 and the resistor box 2. In addition, four temperature switches are installed on the resistance wire partition. Once the detected temperature is too high, the load cabinet will be stopped immediately to prevent overheating damage. The connecting seat is installed at the bottom of the load cabinet, and the cabinet body is driven to move by the moving wheel. It is connected to the shock-absorbing base through the pad and the damping pad to absorb the vibration caused by the movement. Then, the shock-absorbing effect during movement is improved through the cooperation of the damping and shock-absorbing components.

[0015] The above description is only an overview of the technical solutions of the embodiments of the present application. In order to more clearly understand the technical means of the embodiments of the present application, they can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the embodiments of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0017] Figure 1 Figure 1 is a perspective view of a load cabinet according to some embodiments of the present application.

[0018] Figure 2 Figure 2 is a perspective view of a resistance box according to some embodiments of the present application.

[0019] Figure 3 Figure 3 is a perspective view of a heat dissipation mechanism according to some embodiments of the present application.

[0020] Figure 4 Figure 4 is a perspective view of a shock-absorbing moving mechanism according to some embodiments of the present application.

[0021] BRIEF DESCRIPTION OF DRAWINGS

[0022] 1. Load cabinet; 11. Resistance box one; 12. Resistance box two; 13. Mica baffle; 14. Exhaust heat top cover; 15. Resistance wire partition; 2. Signal light one; 3. Signal light two; 4. Display screen; 5. Locking device; 6. Heat dissipation mechanism; 61. Heat dissipation base; 62. Heat dissipation fan group; 63. Positioning plate; 64. Air guide blade; 65. Radiator fin; 7. Shock-absorbing moving mechanism; 71. Connection seat; 72. Moving wheel; 73. Pad; 74. Damping pad; 75. Shock-absorbing base; 76. Damping shock-absorbing member. DETAILED DESCRIPTION

[0023] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0024] The terms “include” and “have” and any variations thereof in the specification and claims of the present application and the drawings description are intended to cover but not exclude other content. The word “one” or “a” does not exclude the presence of multiple. Unless otherwise specified, the meaning of “multiple” is two or more (including two), and similarly, “multiple groups” means two or more groups (including two groups).

[0025] The positional words appearing in the following description are the directions shown in the drawings, and are not intended to limit the specific structure of the present application. For example, in the description of the present application, the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only intended to facilitate the description of the present application and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0026] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, the "connection" or "connection" of mechanical structure can mean physical connection, such as fixed connection, detachable connection or integral connection. In addition to physical connection, the "connection" or "connection" of circuit structure can also mean electrical connection or signal connection, for example, it can be directly connected, that is, physically connected, or indirectly connected through at least one intermediate element, as long as the circuit is connected. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] In order to facilitate the understanding of the technical solutions of the embodiments of the present application, the technical solutions of the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application.

[0028] First of all, it should be noted that the heat dissipation structure of the embodiments of the present application can be applied to the resistance box, and can also be applied to other devices, and the present application does not limit this.

[0029] The embodiments of the present application provide a flue type resistance box with a heat dissipation structure. Figure 1 The present application is a three-dimensional schematic diagram of the load cabinet in some embodiments of the present application. Figure 2 The present application is a three-dimensional schematic diagram of the resistance box in some embodiments of the present application. As Figure 1 , Figure 2As shown, it includes a load cabinet 1, a signal light 1 2 is fixedly installed on the front side surface of the load cabinet 1, a signal light 2 3 is installed above the surface of the signal light 1 2, and a display screen 4 is fixedly installed on one side of the signal light 2 3, and a locking device 5 is movably connected to the front side surface of the load cabinet 1, a heat dissipation mechanism 6 is installed at the bottom of the inner cavity of the load cabinet 1, and a shock-absorbing moving mechanism 7 is provided at the bottom of the load cabinet 1. The heat dissipation mechanism 6 includes a heat dissipation component fixedly installed at the bottom of the load cabinet 1, and an air guide component is provided above the heat dissipation component. The shock-absorbing moving mechanism 7 includes a fixed A mounting assembly is fixedly installed at the bottom of the load cabinet 1, and a shock-absorbing assembly is fixedly installed on the upper surface of the mounting assembly. A resistor box 11 is fixedly installed inside the load cabinet 1, and a resistor box 2 12 is fixedly installed on the upper surface of the resistor box 11. A mica enclosure 13 is fixedly connected to the upper surface of the resistor box 2 12, and an exhaust and heat dissipation top cover 14 is fixedly installed on the top surface of the mica enclosure 13. A resistance wire partition 15 is fixedly connected above the surface of the resistor box 2 12 and inside the mica enclosure 13, and four temperature switches are installed on the surface of the resistance wire partition 15.

[0030] In the technical solution of the embodiment of the present application, a mica enclosure 13 is utilized to form a closed air duct structure with the resistor box 1 11 and the resistor box 2 12, and a heat dissipation mechanism 6 is installed at the lower portion to discharge hot air directly to the top outlet of the equipment without affecting the normal operation of the control circuits surrounding the resistor box 11 and the resistor box 2 12, and four temperature switches are installed on the resistance wire partition 15. Once the detected temperature is too high, the operation of the load cabinet is stopped immediately to prevent damage due to overheating.

[0031] According to other embodiments of the present application, Figure 3 As shown, the heat dissipation assembly includes a heat dissipation base 61 fixedly mounted on the bottom of the load cabinet 1, a plurality of heat dissipation air groups 62 fixedly mounted inside the heat dissipation base 61, the connection terminals of the heat dissipation air groups 62 are electrically connected to an external power supply, and the air guide assembly includes a positioning plate 63 located above the heat dissipation base 61, the interior of the positioning plate 63 is movably connected to an air guide vane 64, and a heat sink 65 is fixedly mounted on the surface of the air guide vane 64.

[0032] In the technical solution of this embodiment, the heat dissipation air group 62 is installed at the bottom of the load cabinet 1 through the heat dissipation base 61, and then the heat is discharged to the top outlet. The heat passes through the surface of the guide blade 64 and is affected by the air flow, driving it to swing, thereby improving the heat discharge effect. At the same time, the heat sink 65 is used to partially absorb the heat in the hot air, thereby improving the heat dissipation effect.

[0033] According to other embodiments of the present application, Figure 4As shown, the shock-absorbing moving mechanism 7 includes a connecting seat 71 arranged at the bottom of the load cabinet 1, a moving wheel 72 movably connected inside the connecting seat 71, and a cushion 73 fixedly installed on the upper surface of the connecting seat 71. The shock-absorbing assembly includes a damping cushion 74 fixedly installed on the upper surface of the cushion 73, a damping base 75 fixedly installed on the upper surface of the damping cushion 74, and a damping shock-absorbing member 76 fixedly connected to the upper surface of the damping base 75.

[0034] In the technical scheme of the embodiment, the connecting seat 71 is installed at the bottom of the load cabinet 1, the cabinet body is moved by the moving wheel 72, and the cushion 73 and the damping base 75 are connected, and the vibration caused by movement is absorbed through the damping cushion 74, and then the damping shock-absorbing member 76 is used to improve the shock-absorbing effect during movement.

[0035] The working principle of the flue-type resistance box heat dissipation structure and temperature protection will be described below.

[0036] As shown in Figure 1 As shown in Fig. 4, first, the mica coaming 13 and the resistance box one 11 and the resistance box two 12 form a closed air duct structure, the heat dissipation wind group 62 is installed at the bottom of the load cabinet 1 through the installation of the heat dissipation base 61, and then the heat is discharged to the top outlet and the surface of the air guide blade 64, which is driven to swing under the influence of the air flow, thereby improving the heat discharge effect. At the same time, the heat in the hot air is partially absorbed by the heat dissipation fins 65, and the hot air is directly discharged to the top outlet of the equipment, which does not affect the normal work of the control circuit around the resistance box one 11 and the resistance box two 12, and the temperature switch installed on the resistance wire partition plate 15 stops the work of the load cabinet immediately once the detected temperature is too high, preventing over-temperature damage. At the same time, the connecting seat 71 is installed at the bottom of the load cabinet 1, the cabinet body is moved by the moving wheel 72, and the cushion 73 and the damping base 75 are connected, and the vibration caused by movement is absorbed through the damping cushion 74, and then the damping shock-absorbing member 76 is used to improve the shock-absorbing effect during movement.

[0037] Those skilled in the art will appreciate that a combination of features of different embodiments implies that it is within the scope of the application and forms a different embodiment, even though some embodiments include certain features and not others. For example, in the claims, any one of the claimed embodiments can be used in any combination.

[0038] The above, the above examples are only used to illustrate the technical solutions of the application, and are not limited thereto; although the application is described in detail with reference to the foregoing examples, those of ordinary skill in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features therein can be replaced by equivalents; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the application.

Claims

1. A flue type resistance box having a heat radiation structure, characterized by comprising: Including load cabinet (1), the positive side surface of load cabinet (1) is fixedly installed signal lamp one (2), the surface of signal lamp one (2) is installed signal lamp two (3), and the display screen (4) is fixedly installed at one side of signal lamp two (3), and the positive side surface of load cabinet (1) is movably connected with locking device (5), the inner chamber bottom of load cabinet (1) is installed heat dissipation mechanism (6), and the bottom of load cabinet (1) is provided with shock-absorbing movement mechanism (7); The heat dissipation mechanism (6) includes a heat dissipation assembly fixedly installed on the bottom of the load cabinet (1), and an air guide assembly is arranged above the heat dissipation assembly. The shock-absorbing movement mechanism (7) includes a mounting assembly fixedly installed on the bottom of the load cabinet (1), and a shock-absorbing assembly is fixedly installed on the upper surface of the mounting assembly.

2. The flue-type resistance box having a heat radiation structure according to claim 1, wherein The inside of the load cabinet (1) is fixedly installed with a resistance box one (11), the upper surface of the resistance box one (11) is fixedly installed with a resistance box two (12), and the upper surface of the resistance box two (12) is fixedly connected with a mica fence (13).

3. The flue type resistance box according to claim 2, wherein The top surface of the mica fence (13) is fixedly installed with an exhaust heat dissipation top cover (14), the surface of the resistance box two (12) is fixedly connected with a resistance wire partition (15) inside the mica fence (13), and four temperature switches are installed on the surface of the resistance wire partition (15).

4. The flue type resistance box with heat radiation structure according to claim 1, characterized in that, The heat dissipation assembly includes a heat dissipation base (61) fixedly installed on the bottom of the load cabinet (1), a plurality of heat dissipation wind groups (62) are fixedly installed inside the heat dissipation base (61), and the wiring ends of the heat dissipation wind groups (62) are electrically connected with an external power supply.

5. The flue-type resistance box having a heat radiation structure according to claim 4, wherein The air guide assembly includes a positioning plate (63) above the heat dissipation base (61), the inside of the positioning plate (63) is movably connected with an air guide blade (64), and the surface of the air guide blade (64) is fixedly installed with a heat dissipation fin (65).

6. The flue type resistance box with heat radiation structure according to claim 1, characterized in that, The shock-absorbing movement mechanism (7) includes a connecting seat (71) arranged on the bottom of the load cabinet (1), the inside of the connecting seat (71) is movably connected with a moving wheel (72), and the upper surface of the connecting seat (71) is fixedly installed with a cushion block (73).

7. The flue-type resistance box having a heat radiation structure according to claim 6, wherein The shock-absorbing assembly includes a damping pad (74) fixedly installed on the upper surface of the cushion block (73), a damping base (75) is fixedly installed on the upper surface of the damping pad (74), and a damping shock-absorbing member (76) is fixedly connected to the upper surface of the damping base (75).