CN217502092U - Cabinet type fan that radiating effect is good - Google Patents

Abstract

The application provides a cabinet type fan that radiating effect is good, the intelligent cabinet type fan comprises a cabinet body, constitute by bottom plate and upper shield shell, and have the fan chamber, be equipped with the sound-proof housing in the fan chamber, the sound-proof housing can enclose synthetic sound insulation chamber with the bottom plate, be equipped with fan body and motor in the sound insulation chamber, upper shield shell department is equipped with the air intake, the position that is close to the air intake in the fan chamber is equipped with the one end of air-supply line, the upper surface of bottom plate is equipped with import and export, import and export are through the inside passageway intercommunication of bottom plate, the import is located sound insulation intracavity portion, the exit is in sound insulation intracavity portion, the other end of air-supply line can communicate the import, the upper portion of fan body is equipped with the air inlet, so that form from up air current down in the sound insulation chamber. The utility model discloses can realize that fan body and motor are by effective heat dissipation under the sound-proof housing cladding.

Description

Cabinet type fan that radiating effect is good

Technical Field

The application belongs to the technical field of cabinet type fans, and particularly provides a cabinet type fan with a good heat dissipation effect.

Background

The cabinet type fan is used for realizing ventilation and exhaust operations in large space places such as factories or large-scale business supermarkets and the like, and generally comprises a shell, an impeller, a motor and other parts. Among the relevant technical scheme, the impeller produces great noise easily when rotating, can be at whole cabinet type fan outside cladding soundproof cotton for making an uproar, but the soundproof cotton quantity is higher, and air inlet and gas outlet department can't the cladding soundproof cotton for the connecting tube, influence the noise reduction effect.

The inventor thinks that a sound-proof housing can be directly arranged outside the centrifugal fan body and the motor, a cabinet body is sleeved outside the sound-proof housing, the motor, the electrical cabinet and the like are installed in the cabinet body, and the air inlet and the air outlet of the fan body are respectively communicated with a gas pipeline penetrating through the sound-proof housing.

But the sound-proof housing can make fan body and motor and exterior space isolated relatively, does not have abundant circulation of air in the soundproof cavity, and the soundproof cotton that the sound-proof housing generally used itself has certain adiabatic effect. The exposed wall surfaces of the fan body and the motor can conduct heat of internal components such as a bearing and the like in the rotating process, and heat is dissipated through heat exchange with air; but when being in the sound-proof housing, can cause the radiating effect of fan body and motor outer wall not good because the air does not circulate and soundproof cotton is thermal-insulated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cabinet type fan that radiating effect is good to solve fan body and motor and be in the sound insulation chamber, because of the not circulation of air and the sound insulation cotton heat-proof poor problem of heat dispersion that causes in the sound insulation chamber.

In order to solve the above problems in the prior art, the present application provides a cabinet type fan with good heat dissipation effect, which includes a cabinet body, which is composed of a bottom plate and an upper housing, and has a fan cavity; a sound-proof cover is arranged in the fan cavity, and the sound-proof cover and the bottom plate can form a sound-proof cavity in an enclosing mode; the sound insulation cavity is internally provided with a fan body and a motor; an air inlet is formed in the upper cover shell, and one end of an air inlet pipe is arranged in the position, close to the air inlet, in the fan cavity.

The upper surface of bottom plate is equipped with import and export, import and export are passed through the inside passageway intercommunication of bottom plate, the import is in sound insulation chamber outside, the export is in sound insulation intracavity portion, the other end of air-supply line can communicate the import, the upper portion of fan body is equipped with the air inlet, so that form the air current in the sound insulation chamber.

Furthermore, the quantity of export is two, the air of import department can shunt to two the export, the export is located fan body respectively and is followed the both sides of self axis of rotation.

Furthermore, cooling loops are respectively arranged in the fan body and the motor, the cooling loops can be communicated with an oil liquid supply system, and a heat dissipation box is arranged in the oil liquid supply system; the upper cover shell is provided with a heat exhaust opening, the heat exhaust opening is provided with a fan, and the heat dissipation box is arranged on one side of the fan close to the fan cavity, so that air flowing in from the air inlet can be discharged from the fan after contacting with the heat dissipation box.

Further, the heat dissipation box is of a flat plate structure which is horizontally arranged, and a gap is formed between the upper surface of the heat dissipation box and the fan.

Furthermore, be equipped with temperature sensor among the fluid feed system for measure the fluid temperature that the heat dissipation box flows and transmit to control system, control system can compare current fluid temperature with predetermined numerical value, with the rotational speed of control fan.

Furthermore, the air inlet and the heat exhaust opening are respectively positioned on two sides above the fan cavity.

The beneficial effects of one or more of the above technical schemes are as follows:

(1) the bottom plate and the sound-proof cover jointly form a sound-proof cavity, and the part of noise transmitted to the bottom plate can be absorbed by the bottom plate and the ground at the lower part of the bottom plate; the bottom plate department sets up import and export, through the inside passageway intercommunication of bottom plate between import and the export, the upper portion of fan body sets up the air inlet, the intake pipe can not direct and air inlet intercommunication, and then do not form the air current of different flow directions in fan body and motor punishment to take away the heat of outer wall, then the air current drives the heat through the impeller driving band of fan body and is discharged from the gas vent.

(2) The mode that two exports set up respectively in fan body both sides is adopted for the distribution of air current in the sound insulation chamber is more even, improves its radiating effect.

(3) Under the condition that air is adopted to form air cooling, the cooling effect of the fan body and the motor is increased by matching with oil liquid cooling, and the cooling box can be matched with a fan to realize cooling recycling of oil liquid in oil liquid cooling; and the same air inlet is adopted by the fan for heat dissipation and the air inlet pipe of the fan body, so that the number of openings on the surface of the cabinet body is reduced, and the structure is simplified.

(4) The mode that a set gap is arranged between the heat dissipation box and the fan is adopted, so that each side face of the heat dissipation box can be conveniently contacted with air for heat dissipation.

(5) The rotating speed of the fan is adjusted by adopting the temperature sensor to be matched with the control system, so that the heat dissipation effect of the fan is improved in time when the temperature of the oil is too high; when the temperature of the oil liquid is low, the energy consumption of the fan is reduced.

(6) The mode that the air inlet and the heat exhaust opening are respectively arranged on two sides above the fan cavity is adopted, so that the flowing distance of airflow from the air inlet to the heat exhaust opening is convenient to increase, and the air circulation in the fan cavity is increased.

Drawings

Some embodiments of the present application are described below with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of the overall structure in the embodiment of the present invention;

FIG. 2 is a schematic view of the embodiment of the present invention with a part of the side plate removed;

FIG. 3 is a schematic view of a fan and a blower body according to an embodiment of the present invention;

fig. 4 is a top view of the bottom plate in the embodiment of the present invention.

List of reference numerals: 1. an upper housing; 2. an air inlet; 3. a fan; 4. a heat exhaust port; 5. a base plate; 6. a side plate; 7. a second opening; 8. an air inlet pipe; 9. a sound-proof housing; 10. an oil pipe; 11. a filter box; 12. a heat dissipation box; 13. mounting a plate; 14. a fan body; 15. an air inlet;

501. an outlet; 502. a first opening; 503. an inlet; 504. a second opening.

Detailed Description

It should be understood by those skilled in the art that the embodiments described below are only preferred embodiments of the present application, and do not mean that the present application can be implemented only by the preferred embodiments, which are merely intended to explain the technical principles of the present application and not to limit the scope of the present application. All other embodiments that can be derived by a person skilled in the art from the preferred embodiments provided herein without inventive step should still fall within the scope of protection of the present application.

It should be noted that in the description of the present application, the terms "center", "upper", "lower", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meaning of the above terms in the present application can be understood by those skilled in the art as the case may be.

The cabinet blower generally includes a cabinet body, which is partitioned into different spaces, such as an electrical cavity where an electrical cabinet for mounting electrical components is located, a blower cavity where a blower body and a motor (for driving the blower body to rotate) are located, and these cavities are generally separated from each other to be partitioned into different functional units. The fan body generally includes the shell of impeller and restraint impeller, and air inlet department passes through the air inlet of tube coupling fan body, then the gas outlet of fan body passes through pipeline and outside intercommunication.

Fan body, motor and regulator cubicle all have radiating demand, and this application only dispels the heat to fan body and motor, does not consider the heat dissipation problem of motor and regulator cubicle.

The fan body is when rotatory because the space of will compressing is aired exhaust, consequently can produce great noise, and the motor also has the noise simultaneously. In some technical scheme, set up soundproof cotton in the inner wall of the cabinet body or outer wall department, but when the cabinet body is bulky, the soundproof cotton quantity is more, and air inlet, gas outlet department wait the position can't carry out the soundproof cotton cladding, influence syllable-dividing effect.

And with the direct cover of soundproof cotton when fan body and motor are outside, can reduce soundproof cotton use amount undoubtedly, especially the soundproof cotton is more close apart from the fan body, and soundproof cotton use amount is less. However, when the sound-proof housing forms a smaller closed space, the sound-proof housing cannot effectively absorb the heat of the outer wall surfaces of the fan body and the motor, and further influences the heat dissipation of the fan body and the motor.

In order to solve the above problems, as shown in fig. 1 to 4, the present embodiment provides a cabinet type fan with good heat dissipation effect, which includes a cabinet body, which is composed of a bottom plate 5 and an upper cover shell 1 and has a fan cavity; a sound-proof cover 9 is arranged in the fan cavity, and the sound-proof cover 9 and the bottom plate 5 can form a sound-proof cavity in an enclosing mode; the sound insulation cavity is internally provided with a fan body 14 and a motor (not shown in the figure); an air inlet 2 is arranged at the upper housing 1, and one end of an air inlet pipe 8 is arranged in the fan cavity and close to the air inlet 2.

The upper surface of bottom plate 5 is equipped with import 503 and export 501, and import 503 and export 501 communicate through the inside passageway of bottom plate 5, and import 503 is in the chamber outside gives sound insulation, and export 501 is in the sound insulation intracavity portion, and the other end of air-supply line 8 can communicate import 503, and the upper portion of fan body 14 is equipped with air inlet 15 to form the air current from up down at the fan body position in the sound insulation chamber, form the air current from the motor to the air inlet in the motor position.

The cabinet body in this embodiment is a common rectangular parallelepiped box body, and in other embodiments, regular hexagonal prism, cylinder and other special-shaped structures may also be adopted as long as the cabinet body has the upper casing 1 and the bottom plate 5 and has a fan cavity in which the fan body 14 is installed. The upper casing 1 herein may be an integral structure, or may be a split structure formed by splicing a plurality of casings, for example, in fig. 1, the upper casing 1 is formed by splicing a top plate and a plurality of side plates 6.

The soundproof cover 9 in this embodiment is made of a soundproof material, such as commercially available glass wool, hemp wool felt, and gypsum board. The shape of the soundproof cover 9 is not limited, and it can be set by itself according to the shapes of the blower body 14 and the motor as long as it can enclose the soundproof cavity with the bottom plate 5.

In order to form the air current of circulation in the chamber gives sound insulation, the end of intake pipe in this embodiment is not direct and the air inlet 15 intercommunication of fan body 14, but connects in the import 503 department of bottom plate 5 on the contrary, and import 503 is in the chamber outside gives sound insulation simultaneously for the intake pipe does not directly run through sound-proof housing 9, is favorable to improving noise reduction. The air outlet 501 is located below the sound insulation cavity, the air inlet 15 of the fan body 14 is located above the sound insulation cavity, and negative pressure is provided under the rotation of the impeller, so that air continuously flows from the outlet 501 to the air inlet 15, and airflow is formed.

In order to further improve the circulation effect of the air flow and enable the air flow at the outer wall of the fan body 14 to be more uniform, the number of the outlets 501 is two, the air at the inlet 503 can be divided into two outlets 501, and the outlets 501 are respectively arranged on two sides of the fan body 14 along the rotation axis of the fan body.

In this embodiment, the cross-sectional shape of the inlet 503 is circular to fit the shape of the intake pipe; the cross-sectional shape of the outlet 501 is triangular, and in other embodiments, the inlet 503 or the outlet 501 may have other shapes, such as square or trapezoid, as long as the shape and size of the outlet 501 are matched with those of the air inlet pipe 8.

In this embodiment, the air inlet 2 is composed of a plurality of openings arranged in a rectangular array, that is, the air inlet 2 is composed of a plurality of rows and columns of openings, and by converting a whole air inlet 2 into a plurality of small openings, a certain filtering effect can be achieved under the condition of ensuring the total ventilation area, and large-volume impurities are prevented from entering the fan cavity. The opening in this embodiment is a common elongated shape, and in other embodiments, a circular or oval hole may be used as the opening.

In order to further filter the air flowing in from the inlet 2, in this embodiment, a filter box 11 is fixed on the top surface inside the upper housing 1 at the position of the inlet 2, the filter box 11 is a porous structure, and one end of the air inlet pipe 8 is inserted into the filter box 11.

In this embodiment, the filter box 11 is a rectangular box structure with one end plugged and the other end open (for passing through the air inlet pipe 8), and in other embodiments, a cylindrical structure with one end plugged and the other end open may be adopted, and the side wall of the cylinder is provided with filter holes.

It can be known that the filter box 11 can further filter air to provide relatively clean air flow for the fan 3 or the air inlet pipe; on the other hand, a foundation is provided for fixing the air inlet pipe 8, and the filter box 11 is directly inserted into the air inlet pipe 8 after being fixed with the upper cover body through bolts or welding.

In this embodiment, the air output from the fan body 14 in the soundproof cavity needs to be discharged, and similarly, in order not to affect the soundproof effect of the soundproof cover 9, the first opening 502 is provided on the upper surface of the bottom plate 5, the first opening 502 is directly connected to the exhaust port of the fan body 14 through a flange, the first opening 502 is communicated with the exhaust port at the lower end of the fan body 14, the second opening 5047 is provided on the side surface of the bottom plate 5, and the first opening 502 is communicated with the second opening 5047 through the passage inside the bottom plate 5.

Specifically, as shown in fig. 4, the first opening 502 is located between the two outlets 501, and a connection flange is mounted in advance at the first opening 502, and a good seal is achieved between the connection flange and the first opening 502. The second opening 5047 is located on the right side of the first opening 502, and all of them are circular openings, and the first opening 502 and the second opening 5047 are communicated with each other through a through passage provided in the bottom plate 5.

In order to further improve the heat dissipation effect of the fan body 14 and the motor on the basis of air cooling, the present embodiment adopts an oil cooling measure, that is, cooling loops are respectively arranged in the fan body 14 and the motor, the cooling loops can be communicated with an oil supply system, and the oil supply system is provided with a heat dissipation box 12.

The heat dissipation box 12 is a flat plate structure arranged horizontally, a cavity or a flow channel for containing oil is arranged in the heat dissipation box 12, and when the oil flows into the heat dissipation box 12, the heat dissipation box 12 conducts heat to the outer wall surface of the heat dissipation box and can exchange heat with the external environment. When the heat dissipation effect of the heat dissipation box 12 is increased, the heat exhaust opening 4 is formed in the upper cover shell 1, the fan 3 is installed at the heat exhaust opening 4, the heat dissipation box 12 is arranged on one side, close to the fan cavity, of the fan 3, a gap is formed between the upper surface of the heat dissipation box 12 and the fan 3, so that air flowing in from the air inlet 2 can be discharged from the fan 3 after contacting with the heat dissipation box 12, and the air inlet 2 and the heat exhaust opening 4 are located on two sides above the fan cavity respectively.

In this embodiment, the oil supply system is basically the same as a common oil cooling system, and includes an oil pump, an oil tank, and a plurality of oil pipes 10, and the detailed connection manner thereof is not described herein again. The difference is that a heat dissipation box 12 is arranged at the oil pipe 10.

It can be understood that there are two structures in the fan cavity to communicate with the external environment, one is the air intake at the air intake 2 and the other is the air exhaust at the heat exhaust 4, and then orderly air flow can be formed in the space inside the fan cavity except the sound insulation cavity, and the fan 3 rotates to make the air flow impact the surface of the heat dissipation box 12 directionally, and then exhaust. The flowing air flow increases the heat dissipation effect of the heat dissipation case 12.

In this embodiment, the fan 3 includes a fan 3 body and an installation plate 13, the installation plate 13 is fixed by the upper casing 1, and the heat dissipation box 12 is fixed by the installation plate 13. Specifically, the mounting plate 13 may be fixed to the upper casing 1 by welding or bolting, and the mounting plate 13 is fixed to the heat dissipation case 12 by a bolting.

In this embodiment, the radiating efficiency of heat dissipation box 12 can be decided to the rotational speed of fan 3, for making fan 3 rotational speed and actual demand phase-match, be equipped with temperature sensor in fluid feed system for measure the fluid temperature that heat dissipation box 12 flowed out and transmit to control system, control system can compare with the numerical value that predetermines with current fluid temperature, with the rotational speed of control fan 3.

Specifically, the temperature sensor may be disposed at the outlet 501 of the heat dissipation box 12, or may be disposed at another position of the oil supply system.

The comparison is performed by using the controller, but no improvement in terms of computer programs is needed, and only common value comparison is needed, for example, three data representing degrees celsius, namely 25, 30 and 35, are preset in the controller, then the rotating speed of the fan 3 is set to four gears, and when the degrees celsius values transmitted by the temperature sensors are less than 25, between 25 and 30, between 30 and 35 and greater than 35, the controller respectively controls the rotating speed of the fan 3 to change from small to large. The control system for controlling the fan 3 to regulate the speed belongs to the prior art, and is not described herein again.

The working principle is as follows: when the device is used for ventilation, external air enters the filter box 11 from the air inlet 2, one path of the external air enters the inlet 503 through the air inlet pipe and then is discharged into the sound insulation cavity from the outlet 501, the fan rotates to enable the air inlet 15 at the upper end of the fan to suck the air, flowing air is formed in the sound insulation cavity, the fan body 14 pressurizes the air and then discharges the air into the first opening 502 from the air outlet of the fan body, then the air is discharged from the second opening 5047, and the second opening 5047 can be connected with a pipeline and finally discharges the air out of a factory building or an ultra-equal space of a factory.

In addition, an oil pump in the oil supply system acts to enable the oil to continuously circulate in the cooling loop and take away heat, the oil exchanges heat at the heat dissipation box 12, and finally the heat is discharged by the fan 3.

So far, the technical solutions of the present application have been described in connection with the foregoing preferred embodiments, but it is easily understood by those skilled in the art that the scope of protection of the present application is not limited to the above preferred embodiments. The technical solutions in the above preferred embodiments can be split and combined, and equivalent changes or substitutions can be made on related technical features by those skilled in the art without departing from the technical principles of the present application, and any changes, equivalents, improvements, etc. made within the technical concept and/or technical principles of the present application will fall within the protection scope of the present application.

Claims (10)

1. The utility model provides a cabinet type fan that radiating effect is good which comprises:

the cabinet body consists of a bottom plate and an upper cover shell and is provided with a fan cavity;

the sound insulation cover is arranged in the fan cavity and can form a sound insulation cavity together with the bottom plate;

the fan body and the motor are arranged in the sound insulation cavity;

the air inlet is arranged at the upper housing, and one end of the air inlet pipe is arranged in the fan cavity and close to the air inlet;

the upper surface of bottom plate is equipped with import and export, import and export are passed through the inside passageway intercommunication of bottom plate, the import is in sound insulation chamber outside, the export is in sound insulation intracavity portion, the other end of air-supply line can communicate the import, the upper portion of fan body is equipped with the air inlet, so that form the air current in the sound insulation chamber.

2. The cabinet type fan with good heat dissipation effect according to claim 1, wherein the number of the outlets is two, the air at the inlet can be divided into two outlets, and the outlets are respectively arranged on two sides of the fan body along the rotation axis of the fan body.

3. The cabinet blower according to claim 1, wherein the air inlet is formed by a plurality of openings arranged in a rectangular array.

4. The cabinet fan with good heat dissipation effect as claimed in claim 1, wherein a filter box is fixed on the inner top surface of the upper housing at the air inlet, the filter box is of a porous structure, and one end of the air inlet pipe is inserted into the filter box.

5. The cabinet type fan with good heat dissipation effect as claimed in claim 1, wherein a first opening is formed in an upper surface of the bottom plate, the first opening is communicated with an air outlet at a lower end of the fan body, a second opening is formed in a side surface of the bottom plate, and the first opening and the second opening are communicated through a channel inside the bottom plate.

6. The cabinet type fan with good heat dissipation effect according to claim 1, wherein a cooling loop is arranged in the fan body, the cooling loop can be communicated with an oil liquid supply system, and a heat dissipation box is arranged in the oil liquid supply system;

the upper cover shell is provided with a heat exhaust opening, the heat exhaust opening is provided with a fan, and the heat dissipation box is arranged on one side of the fan close to the fan cavity, so that air flowing in from the air inlet can be discharged from the fan after contacting with the heat dissipation box.

7. The cabinet type fan with good heat dissipation effect according to claim 6, wherein the heat dissipation box is a flat plate structure arranged horizontally, and a gap is formed between the upper surface of the heat dissipation box and the fan.

8. The cabinet type fan with good heat dissipation effect according to claim 6 or 7, wherein the fan comprises a fan body and an installation plate, the installation plate is fixed through the upper cover shell, and the heat dissipation box is fixed through the installation plate.

9. The cabinet type fan with good heat dissipation effect as claimed in claim 6, wherein a temperature sensor is disposed in the oil supply system for measuring the temperature of the oil flowing out of the heat dissipation box and transmitting the measured temperature to the control system, and the control system can compare the current temperature of the oil with a preset value to control the rotation speed of the fan.

10. The cabinet type fan with good heat dissipation effect as claimed in claim 6, wherein the air inlet and the heat exhaust port are respectively located at two sides above the fan cavity.

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