CN210861562U - Energy-conserving fresh air ventilator and energy-conserving fresh air exchange system - Google Patents
Energy-conserving fresh air ventilator and energy-conserving fresh air exchange system Download PDFInfo
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- CN210861562U CN210861562U CN201921897483.4U CN201921897483U CN210861562U CN 210861562 U CN210861562 U CN 210861562U CN 201921897483 U CN201921897483 U CN 201921897483U CN 210861562 U CN210861562 U CN 210861562U
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Abstract
The utility model provides an energy-conserving fresh air ventilator and energy-conserving fresh air exchange system relates to the fresh air equipment field, and this energy-conserving fresh air ventilator includes fresh air pipeline, exhaust pipe, heat transfer device and pressure differential adjusting device, is provided with fresh air machine on the fresh air pipeline, the last exhaust fan that is provided with of exhaust pipe, heat transfer device is connected with fresh air pipeline and exhaust pipe respectively, fresh air pipeline and exhaust pipe carry out the heat exchange through heat transfer device, pressure differential adjusting device communicates with fresh air pipeline and exhaust pipe respectively. Compared with the prior art, the utility model provides an energy-conserving fresh air ventilator can directly discharge unnecessary new trend to exhaust duct through pressure differential adjusting device, remains the operation all the time under the design operating mode, can avoid unnecessary new trend to get into air circulation system, has avoided the waste of the energy to make this energy-conserving fresh air ventilator energy-concerving and environment-protective more.
Description
Technical Field
The utility model relates to a new trend air regenerating device field particularly, relates to an energy-conserving fresh air ventilator and energy-conserving fresh air scavenging system.
Background
Fresh air ventilator is a novel environmental protection electrical apparatus that keeps indoor air clean and fresh constantly, in prior art, fresh air ventilator usually supplies air through the fresh air pipe, the rethread exhaust pipe is aired exhaust, the new trend preheats or the precools behind fresh air ventilator, thereby reach energy-conserving purpose, this kind of model is set up under the full load operation condition in room, but change when indoor operating mode, for example under the condition that one or more of them room do not use, the air exhaust in not using the room will carry out the heat transfer through fresh air ventilator and new trend, thereby deviated calculation operating mode, lead to the increase of system load. In addition, the air output of the existing fresh air pipeline is determined according to the power of the air blower, when the indoor conditions change, for example, when the air supply opening is closed in one or more rooms, redundant fresh air exists in the fresh air pipeline, the air supply pressure is increased, the redundant fresh air is processed by the fresh air ventilator and finally discharged by the exhaust pipeline, and the energy waste is caused.
In view of the above, a fresh air ventilator capable of preheating or precooling a fresh air pipeline is designed and manufactured, and a pressure difference adjusting device set in the fresh air pipeline and the exhaust pipeline is adjusted, so that the operation condition is always kept consistent with the design condition, the efficiency can be improved under partial load, and meanwhile, the energy-saving fresh air ventilator which is energy-saving and environment-friendly is very important.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an energy-conserving fresh air ventilator, it can preheat or the precooling to the fresh air pipeline, remains the operating condition all the time unanimously with the design operating mode, can also in addition under the partial load efficiency promote to some extent, simultaneously energy-concerving and environment-protective.
Another object of the utility model is to provide an energy-conserving new trend air exchange system, it is energy-concerving and environment-protective.
The utility model is realized by adopting the following technical scheme.
In one aspect, the utility model provides an energy-conserving fresh air ventilator, including fresh air pipeline, exhaust pipe, heat transfer device and pressure differential adjusting device, be provided with fresh air machine on the fresh air pipeline for to the room in air delivery, the last exhaust fan that is provided with of exhaust pipe for the air in the room of discharging, heat transfer device respectively with the fresh air pipeline with exhaust pipe connects, the fresh air pipeline with exhaust pipe passes through heat transfer device carries out the heat exchange, pressure differential adjusting device respectively with the fresh air pipeline with exhaust pipe intercommunication is used for adjusting the fresh air pipeline with exhaust pipe's pressure differential.
Further, the pressure difference adjusting device comprises a bypass pipeline and a pressure difference adjusting valve, two ends of the bypass pipeline are respectively communicated with the fresh air pipeline and the exhaust pipeline, and the pressure difference adjusting valve is arranged on the bypass pipeline and used for adjusting the ventilation quantity of the bypass pipeline.
Furthermore, the fresh air pipeline and the exhaust pipeline are both arranged in the heat exchange device in a penetrating mode, the fresh air pipeline is divided into a fresh air inlet pipe section communicated with the outside and a fresh air outlet pipe section communicated with the inside of the room by the heat exchange device, the exhaust pipeline is divided into an exhaust air inlet pipe section communicated with the inside of the room and an exhaust air outlet pipe section communicated with the outside by the heat exchange device, and the pressure difference adjusting device is respectively communicated with the fresh air inlet pipe section and the exhaust air outlet pipe section.
Furthermore, the energy-saving fresh air ventilator also comprises a shell, the heat exchange device and the pressure difference adjusting device are both arranged in the shell, and two ends of the fresh air pipeline and two ends of the exhaust pipeline respectively extend out of the shell.
Furthermore, the fresh air machine is arranged on the fresh air inlet pipe section, the exhaust fan is arranged on the exhaust air outlet pipe section, the pressure difference adjusting device is connected with the fresh air inlet pipe section between the fresh air machine and the heat exchange device, and the pressure difference adjusting device is connected with the exhaust air outlet pipe section between the exhaust fan and the heat exchange device.
In another aspect, the utility model provides an energy-conserving new trend air exchange system, including new trend stringing, exhaust stringing and energy-conserving new trend ventilator, energy-conserving new trend ventilator includes new trend pipeline, exhaust pipe, heat transfer device and pressure differential adjusting device, be provided with new fan on the new trend pipeline for to the room in air delivery, be provided with the exhaust fan on the exhaust pipe for the air in the room of discharging, heat transfer device respectively with new trend pipeline with exhaust pipe connects, new trend pipeline with exhaust pipe passes through heat transfer device carries out the heat exchange, pressure differential adjusting device respectively with new trend pipeline with exhaust pipe intercommunication is used for adjusting new trend pipeline with exhaust pipe's pressure differential. The fresh air pipeline is connected with the fresh air distribution pipe, the fresh air distribution pipe is used for extending into a room, the exhaust pipeline is connected with the exhaust distribution pipe, and the exhaust distribution pipe is used for extending into the room.
Furthermore, the energy-saving fresh air ventilation system further comprises a first terminal adjusting device and a second terminal adjusting device, the first terminal adjusting device is arranged at the end part of the fresh air distribution pipe extending into the room and used for adjusting the air output of the fresh air distribution pipe, and the second terminal adjusting device is arranged at the end part of the air exhaust distribution pipe extending into the room and used for adjusting the air exhaust amount of the air exhaust distribution pipe.
Furthermore, the fresh air distribution pipe comprises a fresh air main pipe section and a plurality of fresh air branch pipe sections, the fresh air main pipe section is communicated with the fresh air pipe section, the fresh air branch pipe sections are arranged on the fresh air main pipe section at intervals and are communicated with the fresh air main pipe section, each fresh air branch pipe section is used for extending into a plurality of rooms in a one-to-one correspondence mode, and the end portion, extending into the rooms, of each fresh air branch pipe section is provided with the first terminal adjusting device.
Furthermore, the exhaust distribution pipe comprises an exhaust main pipe section and a plurality of exhaust branch pipe sections, the exhaust main pipe section is communicated with the exhaust pipeline, the exhaust branch pipe sections are arranged on the exhaust main pipe section at intervals and are communicated with the exhaust main pipe section, each exhaust branch pipe section is used for correspondingly extending into a plurality of rooms, and the end part of each exhaust branch pipe section extending into each room is provided with the second terminal adjusting device.
Further, the first terminal adjusting device and the second terminal adjusting device are both electromagnetic adjusting valves.
The utility model discloses following beneficial effect has:
the utility model provides a pair of energy-conserving fresh air ventilator is connected heat transfer device with fresh air pipeline and exhaust pipe respectively for fresh air pipeline and exhaust pipe can carry out the heat exchange through heat transfer device, make from indoor exhaust air and fresh air carry out the heat exchange, and pressure differential adjusting device communicates with fresh air pipeline and exhaust pipe respectively simultaneously, thereby can adjust the pressure differential of fresh air pipeline and exhaust pipe, discharges unnecessary new trend. Compared with the prior art, the utility model provides an energy-conserving fresh air ventilator, can realize the heat exchange of fresh air pipeline and exhaust pipe through heat transfer device, thereby can realize preheating or the precooling to the new trend, reduce indoor air conditioning system's load, in addition, can directly discharge unnecessary new trend to exhaust pipe through pressure differential adjusting device, guarantee operating condition and design operating mode unanimity, in addition can also efficiency promote to some extent under the part load, can avoid unnecessary new trend to get into air circulation system, the waste of the energy has been avoided, thereby make this energy-conserving fresh air ventilator more energy-concerving and environment-protective.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of an overall structure of an energy-saving fresh air ventilator according to a first embodiment of the present invention;
fig. 2 is a schematic partial structural view of an energy-saving fresh air ventilator according to a first embodiment of the present invention;
fig. 3 is a schematic view of a partial structure of an energy-saving fresh air ventilation system according to a second embodiment of the present invention;
fig. 4 is a schematic view of an overall structure of an energy-saving fresh air ventilation system according to a second embodiment of the present invention.
Icon: 10-energy-saving fresh air ventilation system; 100-energy-saving fresh air ventilator; 110-fresh air duct; 111-fresh air inlet pipe section; 113-a fresh air outlet pipe section; 115-fresh air machine; 130-an exhaust duct; 131-an exhaust air inlet pipe section; 133-an exhaust outlet pipe section; 135-an exhaust fan; 150-heat exchange means; 170-differential pressure regulating device; 171-a bypass conduit; 173-differential pressure regulating valve; 190-a housing; 200-fresh air distribution pipe; 210-a fresh air main pipe section; 230-a fresh air branch pipe section; 300-air exhaust and pipe distribution; 310-a main exhaust duct section; 330-exhaust branch pipe section; 400-first terminal adjustment means; 500-second terminal adjustment means.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Current energy-conserving fresh air ventilator, the function is single, changes when indoor operating mode, for example under one of them or a plurality of room circumstances of not using, and the air exhaust in not using the room will carry out the heat transfer through fresh air ventilator and new trend to deviated from the operating mode of calculating, lead to the increase of system load. Because the fresh air pipeline and the exhaust pipeline are mutually independent, redundant fresh air in the fresh air pipeline cannot be discharged, and energy waste can be caused. The utility model provides an energy-conserving fresh air ventilator can preheat the new trend or the precooling, and unnecessary new trend can discharge in the new trend pipeline simultaneously, has avoided the waste of the energy, and is energy-concerving and environment-protective.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.
First embodiment
Referring to fig. 1 and fig. 2 in combination, the present embodiment provides an energy-saving fresh air ventilator 100, which can preheat or pre-cool fresh air, and meanwhile, can prevent redundant fresh air from entering an air circulation system, thereby avoiding energy waste, so that the energy-saving fresh air ventilator 100 is more energy-saving and environment-friendly.
The energy-saving fresh air ventilator 100 provided by the embodiment comprises a fresh air pipeline 110, an exhaust pipeline 130, a heat exchange device 150, a pressure difference adjusting device 170 and a shell 190, wherein a fresh air blower 115 is arranged on the fresh air pipeline 110 and used for conveying air into a room, an exhaust fan 135 is arranged on the exhaust pipeline 130 and used for exhausting air in the room, the heat exchange device 150 is respectively connected with the fresh air pipeline 110 and the exhaust pipeline 130, the fresh air pipeline 110 and the exhaust pipeline 130 exchange heat through the heat exchange device 150, and the pressure difference adjusting device 170 is respectively communicated with the fresh air pipeline 110 and the exhaust pipeline 130 and used for adjusting the pressure difference between the fresh air pipeline 110 and the exhaust pipeline 130. The heat exchanging device 150 and the pressure difference adjusting device 170 are both disposed in the casing 190, and both ends of the fresh air duct 110 and both ends of the exhaust air duct 130 respectively extend out of the casing 190.
In this embodiment, the heat exchanging device 150 is a conventional heat exchanger, such as a shell-and-tube heat exchanger, the plate-and-tube heat exchanger has a tube-side channel and a shell-side channel, the fresh air duct 110 is communicated with the tube-side channel, and the exhaust duct 130 is communicated with the shell-side channel, so as to realize heat exchange. Of course, the heat exchange device 150 may be other types of heat exchangers, such as a double-tube plate heat exchanger or a heat pipe heat exchanger.
It should be noted that, the energy-saving fresh air ventilator 100 is applied to a fresh air system, and a terminal of the fresh air system is usually provided with a cooling or heating device, such as a fan coil, so that the fresh air entering the room is heated or cooled at the terminal, and the indoor air is heated or cooled. Or an air conditioning system is additionally arranged independently to heat or refrigerate the room, the temperature of the room air in the heating or refrigerating state is usually higher or lower than that of the air in the fresh air pipeline 110, so that the air in the exhaust pipeline 130 and the air in the fresh air pipeline 110 have temperature difference, heat exchange is performed through the heat exchange device 150, preheating or precooling of the air in the fresh air pipeline 110 is achieved, the load of a terminal heating or refrigerating device is reduced, and energy is saved.
In this embodiment, the casing 190 is rectangular, and two ends of the fresh air duct 110 respectively extend out of two opposite sides of the casing 190, and two ends of the exhaust duct 130 respectively extend out of two opposite sides of the casing 190. The air inlet side of the fresh air duct 110 and the air outlet side of the air exhaust duct 130 are located on the same side, and the air outlet side of the fresh air duct 110 and the air inlet side of the air exhaust duct 130 are located on the same side. Of course, in other preferred embodiments of the present invention, the layout of the fresh air duct 110 and the exhaust duct 130 may be the same in and out, or other layouts, which are not limited herein.
The differential pressure adjusting device 170 includes a bypass pipe 171 and a differential pressure adjusting valve 173, both ends of the bypass pipe 171 are respectively communicated with the fresh air pipe 110 and the exhaust air pipe 130, and the differential pressure adjusting valve 173 is disposed on the bypass pipe 171 for adjusting a ventilation amount of the bypass pipe 171.
In this embodiment, the differential pressure regulating valve 173 is an electronic regulating valve, and the electronic regulating valve has a pressure threshold value, and when the pressure difference between the exhaust duct 130 and the fresh air duct 110 exceeds the pressure threshold value, the electronic regulating valve opens, so that the redundant fresh air in the fresh air duct 110 is directly discharged into the exhaust duct 130 and is discharged to the outside. Of course, the pressure regulating valve may also be a safety valve having a pressure threshold or a manually opened mechanical valve, and is not particularly limited herein.
In the actual working process, when one or more new trend imports at terminal are closed, can pile up unnecessary new trend in the new trend pipeline 110, thereby make the atmospheric pressure in the new trend pipeline 110 rise, pressure difference governing valve 173 can be through the mode that switches on by-pass line 171, directly discharge exhaust pipe 130 with unnecessary new trend in the new trend pipeline 110 and discharge, avoid unnecessary partial new trend to get into indoor air circulation system once more, the load of new fan 115 and exhaust fan 135 has also been reduced, the waste of the energy has been avoided, environmental protection and energy saving.
The heat exchange device 150 divides the fresh air pipeline 110 into a fresh air inlet pipe section 111 communicated with the outside and a fresh air outlet pipe section 113 communicated with the room, the heat exchange device 150 divides the exhaust pipeline 130 into an exhaust air inlet pipe section 131 communicated with the room and an exhaust air outlet pipe section 133 communicated with the outside, and the pressure difference adjusting device 170 is respectively communicated with the fresh air inlet pipe section 111 and the exhaust air outlet pipe section 133.
In this embodiment, the fresh air blower 115 is disposed in the fresh air inlet pipe section 111, the exhaust blower 135 is disposed in the exhaust air outlet pipe section 133, the pressure difference adjusting device 170 is connected to the fresh air inlet pipe section 111 between the fresh air blower 115 and the heat exchanging device 150, and the pressure difference adjusting device 170 is connected to the exhaust air outlet pipe section 133 between the exhaust blower 135 and the heat exchanging device 150.
In summary, the energy-saving fresh air ventilator 100 provided in this embodiment can realize heat exchange between the fresh air duct 110 and the exhaust duct 130 through the heat exchanging device 150, thereby preheating or precooling fresh air, and reducing the load of the indoor air conditioning system, in addition, the pressure difference adjusting device 170 can directly discharge redundant fresh air to the exhaust duct 130, and always keep operating under the design condition, the efficiency can also be improved under partial load, and the redundant fresh air can be prevented from entering the air circulation system, thereby avoiding the waste of energy, and further making the energy-saving fresh air ventilator 100 more energy-saving and environment-friendly.
Second embodiment
Referring to fig. 3 and fig. 4 in combination, the present embodiment provides an energy-saving fresh air ventilation system 10, which includes a fresh air distribution pipe 200, an exhaust air distribution pipe 300, and an energy-saving fresh air ventilator 100, wherein the basic structure and principle of the energy-saving fresh air ventilator 100 and the technical effects thereof are the same as those of the first embodiment, and for the sake of brief description, reference may be made to corresponding contents in the first embodiment for parts that are not mentioned in the present embodiment.
The energy-saving fresh air ventilator 100 comprises a fresh air pipeline 110, an exhaust pipeline 130, a heat exchange device 150 and a pressure difference adjusting device 170, wherein the fresh air pipeline 110 is provided with a fresh air fan 115 for conveying air into a room, the exhaust pipeline 130 is provided with an exhaust fan 135 for exhausting the air in the room, the heat exchange device 150 is respectively connected with the fresh air pipeline 110 and the exhaust pipeline 130, the fresh air pipeline 110 and the exhaust pipeline 130 exchange heat through the heat exchange device 150, and the pressure difference adjusting device 170 is respectively communicated with the fresh air pipeline 110 and the exhaust pipeline 130 and is used for adjusting the pressure difference between the fresh air pipeline 110 and the exhaust pipeline 130. The fresh air pipeline 110 is connected with the fresh air distribution pipe 200, the fresh air distribution pipe 200 is used for extending into a room, the exhaust pipeline 130 is connected with the exhaust distribution pipe 300, and the exhaust distribution pipe 300 is used for extending into the room.
Further, the energy-saving fresh air ventilation system 10 further includes a first terminal adjusting device 400 and a second terminal adjusting device 500, the first terminal adjusting device 400 is disposed at an end portion of the fresh air distribution pipe 200 extending into the room for adjusting an air output of the fresh air distribution pipe 200, and the second terminal adjusting device 500 is disposed at an end portion of the exhaust air distribution pipe 300 extending into the room for adjusting an air output of the exhaust air distribution pipe 300.
Because the tail end of the traditional fresh air system is not provided with a tail end adjusting device, and an air conditioning system is usually additionally arranged in a room, when an unmanned air conditioner in a part of rooms is in a closed state, a fresh air outlet is still in an open state, so that the waste of fresh air is caused, and meanwhile, after high-temperature exhaust air of the room without the air conditioner is mixed with low-temperature exhaust air of the room with the air conditioner, if the high-temperature exhaust air and the low-temperature exhaust air of the room with the air conditioner enter a ventilator to exchange heat with outdoor fresh air, the temperature of the exhaust air entering the ventilator is increased, so that the temperature and enthalpy; thereby causing the output of the tail end air processing equipment to be increased and the energy consumption of the air conditioning system to be increased; if the processing capacity of the tail air processing equipment is insufficient, the temperature and humidity can deviate from the set requirements, and the comfort of the human body is influenced.
It should be noted that the first terminal adjusting device 400 and the second terminal adjusting device 500 in this embodiment are both electromagnetic adjusting valves, and the opening of the fresh air outlet is adjusted by the electromagnetic adjusting valves, so that the terminal opening can be controlled. Of course, the first end adjusting device 400 and the second end adjusting device 500 may be a mechanical valve body or an electronic valve, and are not limited in particular.
The fresh air distribution pipe 200 comprises a fresh air main pipe section 210 and a plurality of fresh air branch pipe sections 230, the fresh air main pipe section 210 is communicated with the fresh air pipeline 110, the fresh air branch pipe sections 230 are arranged on the fresh air main pipe section 210 at intervals and are communicated with the fresh air main pipe section 210, each fresh air branch pipe section 230 is used for extending into a plurality of rooms in a one-to-one correspondence mode, and a first terminal adjusting device 400 is arranged at the end portion, extending into each room, of each fresh air branch pipe section 230. Specifically, the new trend is responsible for section 210 and is connected with the air-out end of new trend pipeline 110 to in sending into a plurality of new trend branch pipe sections 230 with the new trend, a plurality of new trend branch pipe sections 230 equipartitions are responsible for section 210 at the new trend, and stretch into respectively in a plurality of rooms, thereby send into the room with the new trend through a plurality of new trend branch pipe sections 230 in.
The exhaust distribution pipe 300 includes an exhaust main pipe section 310 and a plurality of exhaust branch pipe sections 330, the exhaust main pipe section 310 is communicated with the exhaust pipe 130, the plurality of exhaust branch pipe sections 330 are arranged on the exhaust main pipe section 310 at intervals and are communicated with the exhaust main pipe section 310, each exhaust branch pipe section 330 is used for correspondingly extending into a plurality of rooms, and a second terminal adjusting device 500 is arranged at an end of each exhaust branch pipe section 330 extending into a room. Specifically, the main exhaust duct section 310 is connected to the air intake end of the exhaust duct 130, so that the air in the room is sent into the main exhaust duct section 310 by the exhaust branch duct section 330 and finally exhausted to the outside of the room.
In summary, in the energy-saving fresh air ventilation system 10 provided in this embodiment, the first terminal adjusting device 400 and the second terminal adjusting device 500 are respectively disposed at the fresh air end and the exhaust end of the room, and the opening degrees of the first terminal adjusting device 400 and the second terminal adjusting device 500 can be automatically adjusted according to whether there is a person in the room or according to the number of the persons. The amount of air at the tail end is opened can cause the change of the fresh air and the exhaust pipe, and a pressure control device arranged on the bypass pipe can adjust the bypass air quantity by comparing the set pressure difference with the actual pressure difference, bypass the redundant fresh air quantity to an exhaust system and supplement the reduced exhaust air quantity; thereby always ensuring that the differential pressure thereof is within the set value range. The air exhaust and fresh air exhaust of a room without an air conditioner are closed by controlling the first terminal adjusting device 400 and the second terminal adjusting device 500, and the air exhaust temperature of the air exchanger for heat exchange is ensured not to rise, so that the heat exchange efficiency and the fresh air outlet temperature are ensured to be stable, the fresh air load is stable, and the problem of energy consumption increase of the traditional system is solved. Redundant fresh air and reduced exhaust air are discharged and supplemented through a simple bypass device, so that the air quantity is balanced, and the safe and efficient operation of the fan is ensured.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an energy-conserving fresh air ventilator, its characterized in that includes fresh air pipeline, exhaust duct, heat transfer device and pressure differential adjusting device, be provided with fresh air machine on the fresh air pipeline for to the room in the air delivery, the last exhaust fan that is provided with of exhaust duct is used for the air in the discharge room, heat transfer device respectively with the fresh air pipeline with exhaust duct connects, the fresh air pipeline with exhaust duct passes through heat transfer device carries out the heat exchange, pressure differential adjusting device respectively with the fresh air pipeline with exhaust duct intercommunication, be used for adjusting the pressure differential of fresh air pipeline with exhaust duct.
2. The energy-saving fresh air ventilator according to claim 1, wherein the pressure difference adjusting means comprises a bypass duct and a pressure difference adjusting valve, both ends of the bypass duct are respectively communicated with the fresh air duct and the exhaust air duct, and the pressure difference adjusting valve is disposed on the bypass duct for adjusting a ventilation amount of the bypass duct.
3. The energy-saving fresh air ventilator according to claim 1 or 2, wherein the fresh air duct and the exhaust duct both pass through the heat exchanging device, the heat exchanging device divides the fresh air duct into a fresh air inlet duct section communicating with the outside and a fresh air outlet duct section communicating with the inside of the room, the heat exchanging device divides the exhaust duct into an exhaust air inlet duct section communicating with the inside of the room and an exhaust air outlet duct section communicating with the outside, and the pressure difference adjusting device is respectively communicated with the fresh air inlet duct section and the exhaust air outlet duct section.
4. The energy saving fresh air ventilator according to claim 3, further comprising a housing, wherein the heat exchanging device and the pressure difference adjusting device are disposed in the housing, and both ends of the fresh air duct and both ends of the exhaust duct extend out of the housing.
5. The energy-saving fresh air ventilator according to claim 3, wherein the fresh air blower is disposed at the fresh air inlet section, the exhaust blower is disposed at the exhaust air outlet section, the pressure difference adjusting device is connected to the fresh air inlet section between the fresh air blower and the heat exchanging device, and the pressure difference adjusting device is connected to the exhaust air outlet section between the exhaust blower and the heat exchanging device.
6. An energy-saving fresh air ventilation system, which comprises a fresh air distribution pipe, an exhaust air distribution pipe and the energy-saving fresh air ventilator according to any one of claims 1 to 5, wherein the fresh air pipeline is connected with the fresh air distribution pipe, the fresh air distribution pipe is used for extending into a room, the exhaust air pipeline is connected with the exhaust air distribution pipe, and the exhaust air distribution pipe is used for extending into the room.
7. The energy-saving fresh air ventilating system according to claim 6, further comprising a first terminal adjusting device and a second terminal adjusting device, wherein the first terminal adjusting device is disposed at an end portion of the fresh air distribution pipe extending into the room for adjusting an air output of the fresh air distribution pipe, and the second terminal adjusting device is disposed at an end portion of the exhaust air distribution pipe extending into the room for adjusting an air exhaust amount of the exhaust air distribution pipe.
8. The energy-saving fresh air ventilating system according to claim 7, wherein the fresh air distribution pipe includes a fresh air main pipe section and a plurality of fresh air branch pipes, the fresh air main pipe section is communicated with the fresh air pipe, the fresh air branch pipes are arranged on the fresh air main pipe section at intervals and are communicated with the fresh air main pipe section, each of the fresh air branch pipes is used for extending into the rooms in a one-to-one correspondence manner, and the first terminal adjusting device is arranged at the end of each of the fresh air branch pipes extending into the room.
9. The energy-saving fresh air ventilating system according to claim 7, wherein the exhaust distribution duct includes an exhaust main duct section and a plurality of exhaust branch duct sections, the exhaust main duct section is communicated with the exhaust duct, the plurality of exhaust branch duct sections are arranged on the exhaust main duct section at intervals and are communicated with the exhaust main duct section, each exhaust branch duct section is used for correspondingly extending into a plurality of rooms, and the end of each exhaust branch duct section extending into the room is provided with the second terminal adjusting device.
10. The energy-saving fresh air ventilating system according to claim 7, wherein said first terminal adjusting device and said second terminal adjusting device are electromagnetic adjusting valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921897483.4U CN210861562U (en) | 2019-11-05 | 2019-11-05 | Energy-conserving fresh air ventilator and energy-conserving fresh air exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921897483.4U CN210861562U (en) | 2019-11-05 | 2019-11-05 | Energy-conserving fresh air ventilator and energy-conserving fresh air exchange system |
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| Publication Number | Publication Date |
|---|---|
| CN210861562U true CN210861562U (en) | 2020-06-26 |
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| CN201921897483.4U Active CN210861562U (en) | 2019-11-05 | 2019-11-05 | Energy-conserving fresh air ventilator and energy-conserving fresh air exchange system |
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| CN (1) | CN210861562U (en) |
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2019
- 2019-11-05 CN CN201921897483.4U patent/CN210861562U/en active Active
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