Radiator for generator set

Abstract

The utility model discloses a heat radiator for a generator set, which comprises a heat radiation mechanism, an exhaust fan and a fan cover, wherein the heat radiation mechanism comprises a fin heat radiation frame arranged on the generator set, and the exhaust fan and the fan cover are fixedly connected; the gas mixing mechanism comprises a mixing cover mounted between the fan housing and the fin heat dissipation frame, a blocking cover mounted on the inner side wall of the mixing cover, and an anti-backflow cover communicated with the blocking cover; the gas transmission mechanism comprises a fixed bracket mounted on the outer side of the exhaust fan, a fixed frame mounted on the fixed bracket, a gas mixing fan mounted in the fixed frame, and a breather pipe of which one end is connected with the gas mixing fan and the other end penetrates into the mixing cover; the design of reducing heat between the fin type heat exchanger and the fan cover is adopted, the blocking cover and the anti-backflow cover mainly play a role in blocking backflow hot air, overheating in the mixing cover is avoided, the gas mixing fan conveys low-temperature air, the low-temperature air is mixed with the hot air containing heat, the cooling effect is achieved, and mixed gas is exhausted by the exhaust fan.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat dissipation devices for generator sets, and in particular relates to a radiator for a generator set. Background Art

[0002] The generator set will generate a lot of heat during operation. If the heat cannot be dissipated in time, it will cause the generator set to overheat, which will affect the efficiency and life of the generator. At the same time, overheating may also cause the aging of electrical insulation materials, leading to dangers such as short circuits and fires. A heat sink is needed to dissipate heat. A commonly used heat sink is a heat sink composed of a fin heat exchanger and a fan. The fin heat exchanger realizes heat exchange, and then the fan drives the fan to accelerate air flow to achieve a heat dissipation effect.

[0003] In the above method, the fin heat exchanger of the radiator is directly connected to the fan cover of the fan, and the space between the fin and the fan is limited. In the limited space, the heat cannot be dissipated in time, which will cause the radiator to overheat. When the radiator is in use, there is a problem of not reducing the design of the heat between the fin heat exchanger and the fan cover of the fan. For this reason, the present application proposes a radiator for a generator set. Utility Model Content

[0004] The utility model aims to provide a radiator for a generator set to solve the problem of the design that fails to reduce the heat between a fin heat exchanger and a fan cover of a fan proposed in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a radiator for a generator set, comprising

[0006] The heat dissipation mechanism comprises a fin heat dissipation frame installed on the generator set, an exhaust fan and a fan shroud fixedly connected thereto;

[0007] The air mixing mechanism comprises a mixing cover installed between the fan shroud and the fin heat dissipation frame, a blocking cover installed on the inner side wall of the mixing cover, and an anti-backflow cover connected to the blocking cover;

[0008] The air delivery mechanism includes a fixed bracket installed outside the exhaust fan, a fixed frame installed on the fixed bracket, an air mixing fan installed inside the fixed frame, and a ventilation pipe with one end connected to the air mixing fan and the other end penetrating into the mixing hood.

[0009] Preferably, the blocking cover comprises a cover plate and a frame-shaped fixing plate, the cover plate is a structure with one end narrow and the other end wide, the cover plate is provided with air holes, and the blocking cover divides the interior of the mixing cover into air cavity a and air cavity b.

[0010] Preferably, the backflow prevention cover is installed on the blocking cover, the backflow prevention cover and the center of the corresponding air hole are on the same axis, and the backflow prevention cover is a structure with one end wide and the other end narrow.

[0011] Preferably, the blocking cover is provided with a fixing ring with external threads on the outer surface, the wide end of the anti-backflow cover is provided with an extension ring, the extension ring is provided with a ring groove matching with the fixing ring, and the inner surface of the extension ring located in the ring groove is provided with internal threads.

[0012] Preferably, a blocking ring is provided inside the narrow end of the backflow prevention cover, the cross section of the blocking ring is a right triangle shape, and one right-angled side of the blocking ring is a concave curved shape.

[0013] Preferably, a flow diversion assembly installed between the opposing ventilation pipes is provided in the mixing hood, and the flow diversion assembly includes a connecting pipe connected to the ventilation pipe, a flow diversion ring installed between the opposing connecting pipes, and air outlets evenly distributed on the flow diversion ring.

[0014] Preferably, the connecting pipe is connected to the ventilation pipe and the diverter ring, and the center of the diverter ring is on the same axis as the center of the mixing hood, the center of the fan hood and the center of the exhaust fan.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] In the utility model, there is a design for reducing the heat between the fin heat exchanger and the fan cover. The blocking cover and the anti-backflow cover mainly play the role of blocking the backflow of hot air to avoid overheating in the mixing cover. Secondly, the mixing fan conveys low-temperature air, and the low-temperature air is mixed with the hot air containing heat to achieve the cooling effect. The mixed gas is discharged by the exhaust fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a cross-sectional structural schematic diagram of the mixing cover of the utility model;

[0019] Figure 3 For the utility model Figure 2 A schematic diagram of the enlarged structure of the middle part A;

[0020] Figure 4 It is a side view structural schematic diagram of the diverter ring of the utility model;

[0021] Figure 5 It is a three-dimensional structural schematic diagram of the blocking cover of the utility model;

[0022] In the figure: 1. exhaust fan; 2. fan hood; 3. fin heat dissipation frame; 4. mixing hood; 5. fixing bracket; 7. blocking hood; 8. anti-backflow hood; 61. fixing frame; 62. mixing fan; 63. ventilation pipe; 71. air hole; 72. fixing ring; 81. blocking ring; 91. connecting pipe; 92. diverter ring; 93. air outlet. DETAILED DESCRIPTION

[0023] 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 in 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.

[0024] Example

[0025] See also Figures 1 to 5 The utility model provides a technical solution: a radiator for a generator set, including a heat dissipation mechanism, including a fin heat dissipation frame 3 installed on the generator set, an exhaust fan 1 and a fan hood 2 fixedly connected, the fin heat dissipation frame 3 exchanges heat, and the exhaust fan 1 drives the fan in the fan hood 2 to rotate to achieve a heat dissipation effect. The heat dissipation principle is a conventional technical means and is not described in detail in this application; a mixing mechanism, including a mixing cover 4 installed between the fan hood 2 and the fin heat dissipation frame 3, a blocking cover 7 installed on the inner side wall of the mixing cover 4, and an anti-backflow cover 8 connected to the blocking cover 7. The mixing cover 4 separates the fan hood 2 and the fin heat dissipation frame 3, increases the distance between the fan in the fan hood 2 and the fin heat dissipation frame 3, and avoids overheating. The blocking cover 7 and The anti-backflow cover 8 prevents the air containing heat from being diverted to avoid the heat from being unable to dissipate in time; the air delivery mechanism includes a fixed bracket 5 installed on the outside of the exhaust fan 1, a fixed frame 61 installed on the fixed bracket 5, an air mixing fan 62 installed inside the fixed frame 61, and a ventilation pipe 63 connected to the air mixing fan 62 at one end and penetrating into the mixing cover 4 at the other end. The fixed bracket 5 is combined with the fan hood 2 and the exhaust fan 1 by conventional methods. The air inlet end of the air mixing fan 62 is connected to an external low-temperature air source device. The external low-temperature air is transported by the air mixing fan 62, and the low-temperature air flows through the ventilation pipe 63 and enters the air cavity a. The low-temperature air is mixed with the hot air containing heat to achieve a cooling effect, and the mixed gas is discharged by the exhaust fan 1.

[0026] In this embodiment, the blocking cover 7 includes a cover plate and a fixed plate in the shape of a frame. The cover plate is a structure that is narrow at one end and wide at the other end. The cover plate is provided with air holes 71. Gas flows through the air holes 71 on the blocking cover 7, which is beneficial to the heat dissipation of the fin heat dissipation frame 3. The blocking cover 7 divides the interior of the mixing cover 4 into an air cavity a and an air cavity b. The blocking cover 7 mainly serves to block the backflow of hot air.

[0027] In this embodiment, the backflow prevention cover 8 is installed on the blocking cover 7, and the backflow prevention cover 8 and the center of the corresponding air hole 71 are on the same axis. The backflow prevention cover 8 has a wide end and a narrow end. The blocking cover 7 and the backflow prevention cover 8 block the backflow of hot air.

[0028] In this embodiment, a fixing ring 72 with an external thread on the outer surface is provided on the blocking cover 7, and an extension ring is provided on the wide end of the anti-backflow cover 8. The extension ring is provided with a ring groove that cooperates with the fixing ring 72. The inner surface of the extension ring located in the ring groove is provided with an internal thread. The anti-backflow cover 8 and the fixing ring 72 are connected by a spiral connection, which is convenient for disassembly and assembly of the anti-backflow cover 8. The diameter of one end of the anti-backflow cover 8 is small to reduce the backflow of hot air.

[0029] In this embodiment, a blocking ring 81 is provided inside the narrow end of the backflow prevention cover 8. The cross-section of the blocking ring 81 is a right-angled triangle. One right-angled side of the blocking ring 81 is a concave curved shape. The backflowing hot air is blocked by the curved blocking ring 81.

[0030] In this embodiment, a diversion component installed between the opposing ventilation pipes 63 is provided in the mixing hood 4, and the diversion component includes a connecting pipe 91 connected to the ventilation pipe 63, a diversion ring 92 installed between the opposing connecting pipes 91, and air outlets 93 evenly distributed on the diversion ring 92. The connecting pipe 91 connects the ventilation pipe 63 and the diversion ring 92. The center of the diversion ring 92 is on the same axis as the center of the mixing hood 4, the center of the fan hood 2 and the center of the exhaust fan 1. The air inlet end of the mixing fan 62 is connected to an external low-temperature air source device, and the external low-temperature air is transported by the mixing fan 62. The low-temperature air flows through the ventilation pipe 63 and then enters the mixing hood 4. The low-temperature air in the ventilation pipe 63 is diverted, and part of the low-temperature air enters the diversion ring 92 from the connecting pipe 91, and then is ejected from the air outlet 93. The ejected low-temperature air is mixed with the hot air in the air cavity b to achieve a cooling effect.

[0031] The working principle and use process of this utility model:

[0032] The fin heat sink frame 3 realizes heat exchange of the generator set, the exhaust fan 1 dissipates heat, and the hot air is discharged. In the process of air flow, the mixing cover 4 separates the fan hood 2 and the fin heat sink frame 3, increases the distance between the fan in the fan hood 2 and the fin heat sink frame 3, and avoids overheating;

[0033] The blocking cover 7 divides the interior of the mixing cover 4 into an air cavity a and an air cavity b. The blocking cover 7 and the anti-backflow cover 8 mainly play the role of blocking the backflow of hot air;

[0034] The air inlet end of the air mixing fan 62 is connected to an external low-temperature air source device. The external low-temperature air is transported by the air mixing fan 62. The low-temperature air flows through the ventilation pipe 63 and then is split. Part of the low-temperature air enters the air cavity a. The low-temperature air is mixed with the hot air containing heat to achieve a cooling effect. The mixed gas is discharged by the exhaust fan 1.

[0035] The low-temperature air in the ventilation pipe 63 is divided, and part of the low-temperature air enters the diversion ring 92 through the connecting pipe 91, and then is ejected from the air outlet 93. The ejected low-temperature air mixes with the hot air in the air cavity b to achieve a cooling effect;

[0036] To sum up: there is a design to reduce the heat between the fin heat exchanger and the fan cover. The blocking cover 7 and the anti-backflow cover 8 mainly play the role of blocking the backflow of hot air to avoid overheating in the mixing cover 4. Secondly, the mixing fan 62 transports low-temperature air, and the low-temperature air is mixed with the hot air containing heat to achieve a cooling effect. The mixed gas is discharged by the exhaust fan 1.

[0037] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A radiator for a generator set, characterized in that: include The heat dissipation mechanism comprises a fin heat dissipation frame (3) installed on the generator set, an exhaust fan (1) and a fan hood (2) which are fixedly connected; The air mixing mechanism comprises a mixing cover (4) installed between the fan hood (2) and the fin heat dissipation frame (3), a blocking cover (7) installed on the inner side wall of the mixing cover (4), and an anti-backflow cover (8) connected to the blocking cover (7); The gas delivery mechanism comprises a fixed bracket (5) mounted on the outside of the exhaust fan (1), a fixed frame (61) mounted on the fixed bracket (5), an air mixing fan (62) mounted inside the fixed frame (61), and a ventilation pipe (63) having one end connected to the air mixing fan (62) and the other end penetrating into the interior of the mixing cover (4).

2. A radiator for a generator set according to claim 1, characterized in that: The blocking cover (7) comprises a cover plate and a frame-shaped fixing plate. The cover plate is a structure with one end narrow and the other end wide. Air holes (71) are provided on the cover plate. The blocking cover (7) divides the interior of the mixing cover (4) into an air cavity a and an air cavity b.

3. A radiator for a generator set according to claim 2, characterized in that: The backflow prevention cover (8) is installed on the blocking cover (7), the backflow prevention cover (8) and the center of the corresponding air hole (71) are on the same axis, and the backflow prevention cover (8) is a structure with one end wide and the other end narrow.

4. A radiator for a generator set according to claim 1, characterized in that: The blocking cover (7) is provided with a fixing ring (72) with an external thread on the outer surface, and the wide end of the anti-backflow cover (8) is provided with an extension ring, and the extension ring is provided with a ring groove matching the fixing ring (72), and the inner surface of the extension ring located in the ring groove is provided with an internal thread.

5. The radiator for a generator set according to claim 1, characterized in that: A blocking ring (81) is provided inside the narrow end of the backflow prevention cover (8). The cross section of the blocking ring (81) is in the shape of a right triangle, and one right-angled side of the blocking ring (81) is in a concave curved shape.

6. A radiator for a generator set according to claim 1, characterized in that: The mixing hood (4) is provided with a flow splitter assembly installed between the opposite ventilation pipes (63), the flow splitter assembly comprising a connecting pipe (91) connected to the ventilation pipe (63), a flow splitter ring (92) installed between the opposite connecting pipes (91), and air outlets (93) evenly distributed on the flow splitter ring (92).

7. A radiator for a generator set according to claim 6, characterized in that: The connecting pipe (91) is in communication with the ventilation pipe (63) and the diverter ring (92); the center of the diverter ring (92) is on the same axis as the center of the mixing cover (4), the center of the fan cover (2) and the center of the exhaust fan (1).

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