CN201213350Y - a cooling device - Google Patents

Abstract

The utility model discloses radiating equipment which comprises a first inlet, a second inlet, a first outlet, a second outlet, a heat exchange core and an air door converter. The air door converter is respectively positioned at the first inlet and the second inlet and used for the conversion between a ventilation mode and a heat exchange mode; in the ventilation mode, air enters from the first inlet and comes out from the second outlet to form a first air flue, and the air enters from the second inlet and comes out from the first outlet to form a second air flue, in this way, ventilation is performed; in the heat exchange mode, the air enters from the first inlet and comes out from the first outlet to form a third air flue, and the air enters from the second inlet and comes out from the second outlet to form a fourth air flue, thereby air flow passing through the third air flue and the fourth air flue performs the heat exchange at the heat exchange core. The utility model can realize the mutual converting work between the ventilation mode and the heat exchange mode, satisfies different requirements for radiating capability in different environments, and has wide application scene.

Description

a cooling device

technical field

The utility model relates to the technical field of heat dissipation, in particular to a heat dissipation device.

Background technique

With the development of communication technology, the requirements for the performance of communication products have increased accordingly, and the power of the selected devices has also increased accordingly, but the operable space of the products has become smaller and smaller, and the natural heat dissipation of the devices can no longer meet the requirements. In order to ensure the normal operation of product functions, good ventilation and heat dissipation are the guarantee for the normal operation of communication equipment such as computer rooms and cabinets.

At present, the commonly used heat dissipation methods are mainly air conditioners, heat exchangers and ventilation. These three heat dissipation methods have their own disadvantages. The energy consumption of the air conditioner is the highest, the energy consumption of the heat exchanger is the second, and the energy consumption of the ventilation is the least. The heat dissipation capacity is poor, and the applicability of the ventilation environment is poor.

In the prior art, when ventilation is used alone for ventilation and heat dissipation, due to the high quality of ventilation, when the outdoor environment is in poor air quality, the ventilation effect is not ideal. When heat exchangers are used alone for heat dissipation, due to the The heat dissipation capacity of the air conditioner is poor, and when the indoor and outdoor temperature difference is large, the heat dissipation effect is poor. In addition, there are some new cooling devices on the market, such as combined products such as air conditioners with ventilation or air conditioners with heat exchangers, but these combined products are mainly air conditioners with high energy consumption, which wastes a lot of energy.

In the process of realizing the utility model, the inventor found that the prior art has at least the following problems: when the outdoor environment is in poor air quality, if ventilation is used all the time, the ventilation effect is not ideal; when the indoor and outdoor temperature difference is large, if I've been using the heat exchanger and it doesn't dissipate heat well.

Contents of the invention

The embodiment of the utility model provides a heat dissipation device, which can meet different requirements for heat dissipation capabilities in different environments by adopting mutual conversion between the heat exchange mode and the ventilation mode, and has a wide range of application scenarios.

The heat dissipation device provided by the embodiment of the utility model includes: a first inlet, a second inlet, a first outlet, a second outlet and a heat exchange core, and also includes: a damper converter,

The damper converters are respectively located at the first inlet and the second inlet, and the damper converters are used for switching between the ventilation mode and the heat exchange mode;

In the ventilation mode, air enters from the first inlet and exits from the second outlet to form a first air duct, and air enters from the second inlet to exit from the first outlet to form a second air duct. air duct for ventilation;

In the heat exchange mode, air enters from the first inlet and exits from the first outlet to form a third air passage, and air enters from the second inlet to exit from the second outlet to form a third air duct. Four air passages, the air flow passing through the third air passage and the fourth air passage performs heat exchange at the heat exchange core.

Compared with the prior art, the embodiment of the utility model has the following advantages: through the utility model, the mutual conversion between the heat exchange mode and the ventilation mode can be realized, and the different requirements for heat dissipation effects in different environments can be met, and resources can be saved. The application scenarios are extensive.

Description of drawings

Fig. 1 is the structural representation of the ventilation mode of the utility model embodiment;

Fig. 2 is the structural representation of the heat exchange mode of the embodiment of the utility model;

Fig. 3 is another structural schematic diagram of the heat dissipation device of the embodiment of the present utility model;

Fig. 4 is another structural schematic diagram of the heat dissipation device according to the embodiment of the present invention.

Detailed ways

The embodiment of the utility model provides a heat dissipation device, which adopts the mutual switching between the heat exchange mode and the ventilation mode, meets different requirements for heat dissipation effects in different environments, saves resources, and has a wide range of application scenarios.

Below in combination with specific illustrations, the utility model embodiment will be described in further detail.

Referring to FIG. 1 , it is a schematic structural diagram of a ventilation mode of an embodiment of the present utility model. Wherein 11 is a first inlet, 12 is a second inlet, 13 is a first outlet, 14 is a second outlet, 15 is a heat exchange core, and 16 is a damper converter. The damper converters 16 are located at the first inlet 11 and the second inlet 12 respectively, and the damper converters 16 are used for switching between the ventilation mode and the heat exchange mode.

Usually the minimum temperature difference of the heat exchanger is generally around 10 degrees Celsius, and the minimum temperature difference of the ventilation is generally around 5 degrees Celsius. The ventilation mode can be used in the following scenarios. For example, when the outdoor temperature is very high, the ventilation mode is used for ventilation, and the temperature difference will drop by about 5 degrees Celsius, which can ensure the normal operation of communication equipment under high temperature; or when the communication equipment is under high load. , When the heat generation is very large, the ventilation mode can be used to dissipate heat for a short time to avoid excessive high temperature inside the communication equipment and damage the components of the communication equipment; or when the outdoor air quality is good, the ventilation mode can be used to ventilate and dissipate heat. Via the damper switch 16 the cooling device can be placed in ventilation mode. In this ventilation mode, air enters from the first inlet 11 and exits from the second outlet 14 to form a first air passage; air enters from the second inlet 12 and exits from the first outlet 13 to form a second air passage for ventilation .

Referring to FIG. 2 , it is a schematic structural diagram of the heat exchange mode of the embodiment of the present invention. Wherein 11 is a first inlet, 12 is a second inlet, 13 is a first outlet, 14 is a second outlet, 15 is a heat exchange core, and 16 is a damper converter. The damper converters 16 are located at the first inlet 11 and the second inlet 12 respectively, and the damper converters 16 are used for switching between the ventilation mode and the heat exchange mode. When the outdoor temperature is low, or in the case of strong wind and sand and poor air quality, the heat dissipation device can be set to the heat exchange mode through the damper converter 16. In the heat exchange mode, the air enters from the first inlet 11 and enters from the second An outlet 13 goes out to form a third air passage, air enters from the second inlet 12, and exits from the second outlet 14 to form a fourth air passage, and the air flow through the third air passage and the fourth air passage passes through the heat exchange core. 15 for heat exchange, so as to ensure the normal operation of communication equipment.

Referring to FIG. 3 , it is another structural schematic diagram of the heat dissipation device according to the embodiment of the present invention. Wherein, 11 is the first inlet, 12 is the second inlet, 13 is the first outlet, 14 is the second outlet, 15 is the heat exchange core, 16 is the damper converter, 31 is the heater, 32 is the thermal insulation layer, A heater 31 is added in the fourth air duct. When the temperature inside and outside the room is extremely low, it can work in the mode of heat exchange, and the air of the fourth air duct formed by the second inlet 12 and the second outlet 14 can be used. The air flow passes through the heater first, which can heat the air flow to the communication equipment and ensure the normal operation of the communication equipment. Add a thermal insulation layer 32 on the shell of the heat dissipation device, adopt heat preservation material, avoid the solar radiation on the surface of the heat dissipation device in the outdoor high temperature weather, and also avoid causing a large amount of heat loss to the heat dissipation device in the outdoor low temperature weather.

Referring to Fig. 4 , it is another structural schematic diagram of the heat dissipation device according to the embodiment of the present utility model, wherein 11 is the first inlet, 12 is the second inlet, 13 is the first outlet, 14 is the second outlet, 15 is the heat exchange core, 16 is the throttle converter, and 41 is the filter screen. A filter screen 41 is installed in the first air duct. In the ventilation mode, the air entering from the first inlet 11 can first pass through the filter screen 41 to filter out the dust in the air, so as to ensure the cleanliness of the machine room in the ventilation mode. . Similarly, a filter screen can also be installed in the second air duct.

The above-mentioned conversion between the ventilation mode and the heat exchange mode is performed by the damper converter, and the control of the damper converter can be manually controlled or an external control system is used to realize automatic intelligent control.

The heat dissipation device in the utility model can realize the mutual conversion between the ventilation mode and the heat exchange mode according to the needs of the actual situation, meet different requirements for heat dissipation effects in different environments, save resources, and have a wide range of application scenarios. The heat dissipation equipment in the embodiment of the utility model uses direct current for power supply, and is not affected by alternating current power outages, and has good reliability and long maintenance period.

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made, these improvements and Retouching should also be regarded as the scope of protection of the present utility model.

Claims (4)

1. A cooling device, comprising: a first inlet, a second inlet, a first outlet, a second outlet, and a heat exchange core, characterized in that it also includes: a damper converter, The damper converters are respectively located at the first inlet and the second inlet, and the damper converters are used for switching between the ventilation mode and the heat exchange mode; In the ventilation mode, air enters from the first inlet and exits from the second outlet to form a first air duct, and air enters from the second inlet to exit from the first outlet to form a second air duct. air duct for ventilation; In the heat exchange mode, air enters from the first inlet and exits from the first outlet to form a third air passage, and air enters from the second inlet to exit from the second outlet to form a third air duct. Four air passages, the air flow passing through the third air passage and the fourth air passage performs heat exchange at the heat exchange core. 2. The heat dissipation device according to claim 1, further comprising: a heater is provided in the fourth air passage. 3. The heat dissipation device according to claim 1, further comprising: a filter net is provided in the first air duct. 4. The heat dissipation device according to claim 1, further comprising: the shell of the heat dissipation device has a thermal insulation layer.

Images