Function combination type heat recovery ventilation unit

Abstract

The utility model provides a function combination type heat recovery ventilation unit. The function combination type heat recovery ventilation unit comprises an air inlet channel and an air exhaust channel. The air inlet channel is provided with a fresh air inlet and a fresh air outlet; a first filtering section, a first heat pipe section, a second filtering section and a first fan section are sequentially arranged in the air inlet channel in the direction from the fresh air inlet to the fresh air outlet; filtering devices are arranged in the first filtering section and the second filtering section respectively, and a first valve is further arranged between the filtering device in the first filtering section and the fresh air inlet; the air exhaust channel is provided with an air exhaust / smoke exhaust inlet, an air exhaust outlet and a smoke exhaust outlet; a second fan section, a bypass section, a third filtering section and a second heat pipe section are sequentially arranged on the exhaust channel in the direction from the exhaust / smoke exhaust inlet to the exhaust outlet; a filtering device is arranged in the third filtering section; a second valve is arranged between the second fan section and the bypass section; the smoke exhaust outlet is formed above the second fan section, and a third valve is arranged at the smoke exhaust outlet; according to the utility model, machine rooms can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the equipment needing ventilation and smoke exhaust in building, especially a function combination type heat recovery ventilation unit. BACKGROUND

[0002] At present, in order to meet the demand of ventilation and fire smoke exhaust, two sets of ventilation and fire smoke exhaust units are arranged respectively, need to be installed in two machine rooms, and two sets of air pipe systems are configured, for the building with smaller building area, the installation is more inconvenient. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model embodiment provides a function combination type heat recovery ventilation unit, integrates two functions of normal ventilation and fire smoke exhaust in one equipment, and a single equipment solves two working conditions of normal ventilation and fire smoke exhaust.

[0004] The utility model embodiment provides a function combination type heat recovery ventilation unit, which comprises an air inlet channel and an air outlet channel.

[0005] The air inlet channel is provided with a fresh air inlet and a fresh air outlet; the air inlet channel is sequentially provided with a first filter section, a first heat pipe section, a second filter section and a first fan section along the fresh air inlet to the fresh air outlet direction; the first filter section and the second filter section are respectively provided with filter devices, and a first valve is further arranged between the filter device and the fresh air inlet in the first filter section.

[0006] The air outlet channel is provided with an air exhaust / smoke exhaust inlet, an air exhaust outlet and a smoke exhaust outlet; the air outlet channel is sequentially provided with a second fan section, a bypass section, a third filter section and a second heat pipe section along the air exhaust / smoke exhaust inlet to the air exhaust outlet direction; the third filter section is provided with a filter device; a second valve is arranged between the second fan section and the bypass section; the smoke exhaust outlet is arranged above the second fan section, and a third valve is arranged at the smoke exhaust outlet.

[0007] The first heat pipe section and the second heat pipe section are both provided with heat pipes, and the heat pipes extend from the first heat pipe section to the second heat pipe section.

[0008] Further, the heat pipes are provided with working medium.

[0009] Further, the filter devices in the first filter section and the third filter section are primary efficiency filter devices, and the filter device in the second filter section is a medium-high efficiency filter device.

[0010] Further, a fourth valve is arranged between the bypass section and the third filter section in the air outlet channel.

[0011] The technical scheme provided by the utility model embodiment has the beneficial effects that:

[0012] 1) A single unit can simultaneously handle both normal ventilation and fire smoke extraction.

[0013] 2) Reduce the number of computer rooms.

[0014] 3) It can simplify the overall piping of the ceiling. Attached Figure Description

[0015] Figure 1 This is a top view of the unit in an embodiment of the present utility model.

[0016] Figure 2 This is a front view of the unit in an embodiment of the present utility model.

[0017] Figure 3 This is a rear view of the unit in an embodiment of the present utility model. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0019] like Figure 1 , Figure 2 and Figure 3 As shown in the figure, a functional combination heat recovery ventilation unit proposed in this embodiment of the present invention includes an air inlet channel 1 and an air outlet channel 2;

[0020] The air intake channel 1 is provided with a fresh air inlet 101 and a fresh air outlet 102; along the direction from the fresh air inlet 101 to the fresh air outlet 102, the air intake channel 1 is provided with a first filter section 103, a first heat pipe section 104, a second filter section 105 and a first fan section 106 in sequence; the first filter section 103 and the second filter section 105 are respectively provided with filter devices, and a first valve 107 is also provided between the filter device and the fresh air inlet 101 in the first filter section 103;

[0021] The exhaust duct 2 is provided with an exhaust / smoke inlet 201, an exhaust outlet 202, and a smoke outlet 203; along the exhaust / smoke inlet 201 toward the exhaust outlet 202, the exhaust duct 2 is provided with a second fan section 204, a bypass section 205, a third filter section 206, and a second heat pipe section 207 in sequence; a filter device is provided in the third filter section 206; a second valve 208 is provided between the second fan section 204 and the bypass section 205; the smoke outlet 203 is located above the second fan section 204, and a third valve 209 is provided at the smoke outlet 203;

[0022] Both the first heat pipe section 104 and the second heat pipe section 207 are provided with heat pipes, which extend from the first heat pipe section 104 to the second heat pipe section 207.

[0023] Under normal ventilation conditions, the third valve 209 at the smoke exhaust outlet 203 above the second fan section 204 is closed, while the first valve 107 in the air inlet duct 1 and the second valve 208 in the exhaust duct 2 are open. The fan in the first fan section 106 provides air power, allowing fresh outdoor air to enter the room through the air inlet duct 1. The fan in the second fan section 204 provides air power, allowing more polluted indoor air to be exhausted to the outside through the exhaust duct 2. In winter, indoor hot air exchanges heat with the heat pipes in the first heat pipe section 104 and the second heat pipe section 207, preheating the outdoor air. In summer, indoor cold air exchanges heat with the heat pipes in the first heat pipe section 104 and the second heat pipe section 207, precooling the outdoor air to save energy. The first filter section 103 prevents excessive dust from accumulating on the heat pipes in the first heat pipe section 104, and the third filter section 206 prevents excessive dust from accumulating on the heat pipes in the second heat pipe section 207, preventing a decrease in heat pipe heat exchange efficiency.

[0024] Furthermore, the heat pipe contains a working fluid, and heat exchange occurs through the phase change principle of the working fluid inside the heat pipe.

[0025] Furthermore, the filtration devices in the first filtration section 103 and the third filtration section 206 are pre-filters, and the filtration device in the second filtration section 105 is a medium-high efficiency filter; the medium-high efficiency filter in the second filtration section 105 can improve the cleanliness of the fresh air entering the room.

[0026] When a fire alarm occurs and the system needs to operate in a fire-fighting smoke exhaust mode, the first valve 107 in the air intake duct 1 is closed, and the fan in the first fan section 106 is shut down; the second valve 208 between the second fan section 204 and the bypass section 205 is closed, and the third valve 209 at the smoke exhaust outlet 203 above the second fan section 204 is opened; at this time, the fan in the second fan section 204 provides aerodynamics, so that the indoor smoke is discharged outdoors from above the second fan section 204, and a smoke exhaust duct can be installed at the smoke exhaust outlet 203 above the second fan section 204.

[0027] Furthermore, a fourth valve 210 is provided between the bypass section 205 and the third filter section 206 in the exhaust duct 2; under fire smoke exhaust conditions, the fourth valve 210 is closed, which can enhance the valve closing effect if the second valve 208 is not closed tightly; under normal ventilation conditions, the fourth valve 210 is opened, allowing the more polluted indoor air to be exhausted to the outside through the exhaust duct 2.

[0028] The bypass section 205 can meet both normal ventilation and fire smoke exhaust conditions.

[0029] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although this utility model has been described in detail with reference to the embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A functional combination heat recovery ventilation unit, characterized in that, It includes an air intake duct (1) and an exhaust duct (2); The air inlet channel (1) is provided with a fresh air inlet (101) and a fresh air outlet (102); along the direction from the fresh air inlet (101) to the fresh air outlet (102), the air inlet channel (1) is provided with a first filter section (103), a first heat pipe section (104), a second filter section (105) and a first fan section (106) in sequence; the first filter section (103) and the second filter section (105) are respectively provided with filter devices, and a first valve (107) is also provided between the filter device and the fresh air inlet (101) in the first filter section (103); The exhaust duct (2) is provided with an exhaust / smoke inlet (201), an exhaust outlet (202) and a smoke outlet (203); along the exhaust / smoke inlet (201) to the exhaust outlet (202), the exhaust duct (2) is provided with a second fan section (204), a bypass section (205), a third filter section (206) and a second heat pipe section (207) in sequence; a filter device is provided in the third filter section (206); a second valve (208) is provided between the second fan section (204) and the bypass section (205); the smoke outlet (203) is located above the second fan section (204), and a third valve (209) is provided at the smoke outlet (203); Both the first heat pipe section (104) and the second heat pipe section (207) are provided with heat pipes, which extend from the first heat pipe section (104) to the second heat pipe section (207).

2. The functional combination heat recovery ventilation unit as described in claim 1, characterized in that, The heat pipe contains a working fluid.

3. The functional combination heat recovery ventilation unit as described in claim 1, characterized in that, The filtration devices in the first filtration section (103) and the third filtration section (206) are primary filtration devices, while the filtration device in the second filtration section (105) is a medium- and high-efficiency filtration device.

4. The functional combination heat recovery ventilation unit as described in claim 1, characterized in that, A fourth valve (210) is provided between the bypass section (205) and the third filter section (206) in the exhaust duct (2).

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