Frequency converter mounting structure and safe power utilization device for industrial production

Abstract

The utility model provides a frequency converter installation structure and safe electric device for industrial production, which comprises a box shell, a frequency converter is installed in the box shell, an air guide pipe is also arranged in the box shell, one end of the air guide pipe is connected with the side wall of the box shell, and the other end of the air guide pipe is connected with the side wall of the box shell. The other end of the air inducing guide pipe extends to the upper end of the frequency converter and corresponds to an air outlet in the upper end of the frequency converter, and an air outlet communicated with the air inducing guide pipe is formed in the side wall of the box shell. The air inducing guide pipe is arranged in the box shell, and hot air exhausted from the upper end of the frequency converter can be directly guided to the outer side of the box shell through the air inducing guide pipe, so that the problem that the hot air exhausted from the upper end of the frequency converter heats components in the box shell is solved.

Description

Technical Field

[0001] The utility model relates to a safe frequency converter installation structure and a safe electrical device for industrial production. Background Art

[0002] An existing safe electrical device includes a cabinet, in which components such as circuit breakers, relays, control switches, and frequency converters are installed. These components generate a lot of heat when working, so the cabinet needs to be heat-dissipating.

[0003] The inverter is generally set vertically in the cabinet. The upper and lower ends of the inverter are spaced apart from the inner wall of the cabinet. A fan is provided at the upper end of the inverter and the lower end of the inverter is the air inlet. The fan pulls the air in the inverter upward to achieve heat dissipation of the inverter.

[0004] In the above structure, the hot air from the upper end of the inverter directly enters the cabinet, and the hot air entering the cabinet will heat the components in the cabinet. Although the cabinet is provided with a heat sink and a cooling fan, it is still impossible to avoid the problem that the hot air discharged from the inverter heats other components. Summary of the invention

[0005] In view of the problems pointed out in the background technology, the utility model proposes a frequency converter installation structure and a safe electrical device for industrial production to solve the above technical problems.

[0006] The technical solution of the utility model is achieved in this way:

[0007] A frequency converter installation structure includes a box shell, in which the frequency converter is installed. The box shell is also provided with an air duct, one end of the air duct is connected to the side wall of the box shell, and the other end of the air duct extends to the upper end of the frequency converter and is arranged corresponding to the air outlet at the upper end of the frequency converter. The side wall of the box shell is provided with an air outlet connected to the air duct.

[0008] The utility model is further configured as follows: the air duct is vertically arranged, the air duct is opened at both ends, the upper end of the air duct is fixedly connected to the upper side wall of the box shell, the frequency converter is installed in the air duct, the front side opening of the lower end of the air duct is arranged, and the frequency converter is arranged corresponding to the front side opening position of the air duct.

[0009] The utility model is further configured such that the air duct is fixedly connected to the rear side wall of the box shell.

[0010] The utility model is further configured such that the cross section of the air duct is square.

[0011] The utility model is further configured that an opening corresponding to the air duct is provided on the rear side wall of the box shell, and a heat sink is provided on the rear side wall of the air duct, and the heat sink extends from the opening to the outside of the box shell.

[0012] The utility model is further configured such that the upper end of the air duct is a square frame structure.

[0013] The utility model is further configured such that the lower end of the air duct is a U-shaped structure.

[0014] The utility model is further configured that a fixing hole is provided on the rear side wall of the air duct, and a connecting hole corresponding to the fixing hole is provided on the rear side wall of the box shell.

[0015] The utility model is further configured that the edge of the upper end of the air duct is provided with a fixed edge, and the fixed edge is fixedly connected to the upper side wall of the box shell.

[0016] A safe electrical device for industrial production comprises the above-mentioned frequency converter installation structure, and components are installed in the box shell.

[0017] By adopting the above technical solution, the beneficial effects of the utility model are as follows:

[0018] The inverter installation structure and the safe electrical device for industrial production provided by the utility model are provided with an air duct in the box shell, through which the hot air discharged from the upper end of the inverter can be directly guided to the outside of the box shell, thereby solving the problem that the hot air discharged from the upper end of the inverter heats the components in the box shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 It is a schematic diagram of the front structure of the utility model.

[0021] Figure 2 It is a schematic diagram of the rear structure of the utility model.

[0022] Figure 3 It is a cross-sectional view of the utility model.

[0023] Figure 4 It is an exploded schematic diagram of the utility model.

[0024] Description of the reference numerals in the accompanying drawings: box housing 1, inverter 2, air duct 3, air outlet 4, opening 5, heat sink 6, fixed edge 7. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] For reference Figure 1-4 The utility model is described as follows:

[0027] Embodiment 1: A safe electrical device for industrial production comprises a box shell 1, wherein the box shell 1 is hollow inside and has an opening at the front side and a door that can be opened and closed.

[0028] An air duct 3 is also provided in the box shell 1. The air duct 3 is vertically arranged, with openings at both ends, and the front side of the lower end of the air duct 3 is opened. The cross-section of the air duct 3 is square, the upper half of the air duct 3 is a square frame structure, and the lower half of the air duct 3 is a U-shaped structure.

[0029] The upper end of the air duct 3 is fixedly connected to the upper side wall of the box shell 1, and the edge of the upper end of the air duct 3 is provided with a fixed edge 7, and the fixed edge 7 is fixedly connected to the upper side wall of the box shell 1 by screws. The upper side wall of the box shell 1 is provided with an air outlet 4 connected to the air duct 3.

[0030] The air duct 3 is fixedly connected to the rear side wall of the box shell 1. A fixing hole is provided on the rear side wall of the air duct 3. A connecting hole corresponding to the fixing hole is provided on the rear side wall of the box shell 1. Fixing screws are connected in the fixing holes and the air duct 3 is fixedly connected to the box shell 1 through the fixing screws.

[0031] An opening 5 corresponding to the air duct 3 is provided on the rear side wall of the box shell 1. A heat sink 6 is provided on the rear side wall of the air duct 3. The heat sink 6 extends from the opening 5 to the outside of the box shell 1. The heat sink 6 and the air duct 3 are integrally arranged.

[0032] The inverter 2 is installed in the box housing 1. The inverter 2 is vertically arranged and installed in the air duct 3. The inverter 2 is fixedly connected to the rear side wall of the air duct 3 by screws. The inverter 2 is spaced apart from the left and right side walls of the air duct 3. The inverter 2 is arranged correspondingly to the front opening 5 of the air duct 3. The upper end of the inverter 2 is the air outlet, and the lower end of the inverter 2 is the air inlet. The upper end of the inverter 2 extends into the upper half of the air duct 3.

[0033] By adopting the above technical solution, the hot air discharged from the upper end of the inverter 2 can be directly guided to the outside of the box shell by the air duct 3, and the hot air is discharged through the air outlet 4 on the box shell.

[0034] By adopting the above technical solution, the heat energy emitted by the inverter 2 is constrained by the air duct 3, so that the heat is absorbed by the air duct 3. At the same time, the heat sink 6 on the air duct 3 can quickly dissipate the heat energy on the air duct 3, thereby improving its heat dissipation performance.

[0035] Components are installed in the box housing 1 , including a circuit breaker, which is installed on the rear side wall of the box housing 1 .

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A frequency converter installation structure, comprising a housing (1), wherein a frequency converter (2) is installed in the housing (1), characterized in that: The box housing (1) is further provided with an air duct (3), one end of which is connected to the side wall of the box housing (1), the other end of which extends to the upper end of the frequency converter (2) and is arranged corresponding to the air outlet (4) at the upper end of the frequency converter (2), and the side wall of the box housing (1) is provided with an air outlet (4) which is connected to the air duct (3); the air duct (3) is arranged vertically, the air duct (3) is opened at both ends, and the upper end of the air duct (3) is fixed to the upper side wall of the box housing (1). The inverter (2) is installed in the air duct (3), a front opening is provided at the lower end of the air duct (3), and the inverter (2) is provided at a position corresponding to the front opening of the air duct (3); the air duct (3) is fixedly connected to the rear side wall of the box shell (1); an opening (5) corresponding to the air duct (3) is provided on the rear side wall of the box shell (1), and a heat sink (6) is provided on the rear side wall of the air duct (3), and the heat sink (6) extends from the opening (5) to the outside of the box shell (1).

2. The inverter installation structure according to claim 1, characterized in that: The cross section of the air duct (3) is square.

3. The inverter installation structure according to claim 2, characterized in that: The upper end of the air duct (3) is a square frame structure.

4. The inverter installation structure according to claim 2, characterized in that: The lower end of the air duct (3) is a U-shaped structure.

5. The inverter installation structure according to claim 1, characterized in that: A fixing hole is provided on the rear side wall of the air duct (3), and a connecting hole corresponding to the fixing hole is provided on the rear side wall of the box shell (1).

6. The frequency converter installation structure according to claim 3, characterized in that: The edge of the upper end of the air duct (3) is provided with a fixed edge (7), and the fixed edge (7) is fixedly connected to the upper side wall of the box shell (1).

7. A safe electrical device for industrial production, characterized in that: It comprises the inverter installation structure as claimed in any one of claims 1 to 6, wherein components are installed in the box housing (1).

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