CN216384378U - Fan coil adds new trend integrated device - Google Patents
Fan coil adds new trend integrated device Download PDFInfo
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- CN216384378U CN216384378U CN202122950146.0U CN202122950146U CN216384378U CN 216384378 U CN216384378 U CN 216384378U CN 202122950146 U CN202122950146 U CN 202122950146U CN 216384378 U CN216384378 U CN 216384378U
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Abstract
The utility model belongs to the technical field of ventilation and energy conservation of air conditioners and discloses a fan coil fresh air adding integrated device, wherein the front end and the rear end of a case are both open ends; the front end of the case is an air inlet end, a fresh air electric regulating valve is installed at the air inlet end, and a high-efficiency filter is installed inside the case behind the fresh air electric regulating valve; the rear end of the case is an air outlet end, the air outlet end is provided with a high-efficiency heat exchanger, and the high-efficiency heat exchanger is provided with a variable-frequency centrifugal fan; the lower surface of the case is provided with a return air inlet, a return air electric regulating valve is installed at the return air inlet, and a temperature sensor and CO are installed inside the return air electric regulating valve2A sensor. The fan coil and the fresh air system are integrated into a whole, so that the room temperature is met, and meanwhile, the indoor air cleanliness is ensured; the fresh air system of the unit is distributed, so that intelligent adjustment of users is facilitated, and the energy-saving effect is obvious; the system does not need an additional fresh air handling unit, saves the engineering investment and is convenient to construct and install.
Description
Technical Field
The utility model belongs to the technical field of ventilation and energy conservation of air conditioners, and particularly relates to a fan coil fresh air adding integrated device.
Background
In the design process of the traditional heating ventilation air conditioner, a fan coil system is widely applied to various office and residential buildings due to the advantages of low investment, flexible use, energy conservation and the like. But because the system generally employs indoor air circulationThe ring can not satisfy the fresh air demand of personnel, often combines the fresh air handling unit to use. Under the normal condition, the fresh air processing unit uniformly carries out cold and heat treatment on air and then respectively sends the air to each room, a designer usually controls the air supply according to the minimum fresh air quantity of 10 percent, the temperature and humidity fluctuation range is very small under the condition that the room is closed, and indoor CO is generated2The concentration is also small, and the large fresh air volume is not only not energy-saving, but also influences the stability of indoor temperature and humidity. After each wind gap is adjusted through constructor's preliminary, can't change according to personnel's demand in the operation process, and when some rooms did not have personnel, the fresh air handling unit still sent into for the room and handles the new trend, causes the waste of energy very big degree.
Prior art one, the authorization notice number: 2408388Y, discloses a self-contained fresh air type fan coil, which comprises a fresh air mechanism and a fan coil, wherein the fresh air mechanism is arranged at one side of the fan coil and is connected with the inlet of a prescription through an air valve of the fresh air mechanism, the fresh air mechanism comprises a box body, a fresh air port, a filter screen, an air valve and an air valve driver, the fresh air port is arranged at the top of the box body, the filter screen is arranged above the air valve, and the fan coil comprises a fan, a motor, a surface cooler, a return air port, a water receiving disc, a return air filter or a return air baffle.
Prior art two, the authorization post number: CN 208735748U, including return air case, fan coil and heat transfer calandria mechanism, return air case one side is provided with the terminal box, and communicates with each other with the return air case, and the opposite side is provided with the curb plate, be provided with the fresh air inlet on the curb plate, be provided with a plurality of through-holes on the terminal box, be provided with a plurality of fan coil in the return air case, fan coil passes through the motor and connects, the casing is connected to fan coil's air outlet, be provided with heat transfer calandria mechanism in the casing, the casing below is provided with the ponding dish, and is connected with the casing and communicates with each other.
In the operation process of the existing fan system, the fan coil and the fresh air system in each room are independently controlled, wherein fresh air is processed in a centralized mode, air supplied by the fan coil is adjusted and controlled by a user, the fan coil and the fresh air system are not matched, and energy waste is caused. In addition, because the system sets up fresh air handling unit alone, causes the waste in building room. Meanwhile, the arrangement in the suspended ceiling is influenced to a certain degree by the installation of the fresh air system pipelines, and the danger of smoke spreading is increased when the fresh air pipelines passing through the rooms are in a fire condition.
SUMMERY OF THE UTILITY MODEL
The disclosed embodiment of the utility model provides a fan coil and fresh air integrated device, which aims to solve the problem of air conditioning ventilation of office and residential rooms and achieve the purposes of flexible control and energy saving of fresh air systems of all rooms.
The technical scheme is as follows:
the fan coil fresh air adding integrated device is provided with a case, and the front end and the rear end of the case are both open ends;
the front end of the case is an air inlet end, the air inlet end is provided with a fresh air electric regulating valve, and the inside of the case at the rear side of the fresh air electric regulating valve is provided with a high-efficiency filter;
the rear end of the case is an air outlet end, the air outlet end is provided with a high-efficiency heat exchanger, and a variable-frequency centrifugal fan is arranged in front of the high-efficiency heat exchanger;
the lower surface of the case is provided with a return air inlet, a return air electric regulating valve is installed at the return air inlet, and a temperature sensor and CO are installed inside the return air electric regulating valve2A sensor;
the external installation of machine case has control panel, control panel respectively with new trend electrical control valve, high-efficient heat exchanger, frequency conversion centrifugal fan, temperature sensor, CO2The sensors are connected.
In one embodiment, a wind mixing box is arranged in the case at the upper end of the return air electric regulating valve.
In one embodiment, the outside of the fresh air electric regulating valve is provided with a flexible connection through a flange, and the tail end of the flexible connection is connected with an air pipe.
In one embodiment, the air inlet of the air pipe is arranged outdoors, and the rain-proof shutter air inlet is arranged on the air inlet.
In one embodiment, the exterior of the high-efficiency heat exchanger is provided with a flexible connection through a flange, the tail end of the flexible connection is connected with an air pipe, and the air outlet of the air pipe is provided with a square air diffuser.
In one embodiment, the square air diffuser is arranged at the joint of the air pipe and the indoor suspended ceiling.
In one embodiment, the air inlet of the return air electric regulating valve is provided with a flexible connection through a flange, the tail end of the flexible connection is connected with an air pipe, the return air inlet of the air pipe is provided with a shutter return air inlet, and the shutter return air inlet is arranged at the joint of the air pipe and the indoor ceiling.
In one embodiment, a flow equalizing plate is arranged between the return air electric regulating valve and the variable-frequency centrifugal fan in the case.
In one embodiment, the housing is suspended from a roof in a room by a plurality of suspension rods.
In one embodiment, an electric two-way valve is installed inside the high-efficiency heat exchanger and connected with a control panel.
By combining all the technical schemes, the utility model has the advantages and positive effects that:
the utility model can satisfy the requirement that each room personnel independently adjust the room temperature and the fresh air and simultaneously saves unnecessary energy consumption. Compared with the prior art, the utility model mainly has the following characteristics: firstly, the fan coil and a fresh air system are integrated into a whole, so that the room temperature is met, and meanwhile, the indoor air cleanliness is ensured; secondly, the fresh air system of the unit is distributed, so that the intelligent adjustment of users is facilitated, and the energy-saving effect is obvious; the system does not need an additional fresh air unit, saves the engineering investment and is convenient to construct and install; and fourthly, the fresh air pipe and the return air pipe are respectively provided with an electric air valve, so that different temperature and humidity requirements of indoor personnel can be met. The unit does not need to be provided with a special fresh air supply outlet, and is more favorable for ceiling arrangement. And sixthly, the unit is provided with a full fresh air mode, and energy-saving operation can be realized in transition seasons. The system avoids the opening of air pipes between each room and the floor slab, and is more beneficial to reconstruction engineering.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic elevation view of a fan coil fresh air supply integrated device provided in an embodiment of the present invention.
Fig. 2 is an installation schematic diagram of a fan coil fresh air supply integrated device provided by an embodiment of the utility model.
Fig. 3 is a schematic diagram of a control panel according to an embodiment of the present invention.
Fig. 4 is a schematic plan view of a fresh air concentrating system according to an embodiment of the present invention.
Fig. 5 is a schematic plan view of a fresh air independent system provided by the embodiment of the utility model.
In the figure: 1. a fresh air electric regulating valve; 2. a high efficiency filter; 3. an electric return air regulating valve; 4. a temperature sensor; 5. CO 22A sensor; 6. a flow equalizing plate; 7. a variable frequency centrifugal fan; 8. a high efficiency heat exchanger; 9. a chassis; 10. a wind mixing box; 11. a flange; 12. an air duct; 13. an electric two-way valve; 14. soft connection; 15. a boom; 16. a louver air return opening; 17. a square diffuser; 18. a rain-proof shutter air port; 19. a suspended ceiling; 20. a control panel.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," and the like are for purposes of illustration only and are not intended to represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The fan coil fresh air adding integrated device comprises a variable frequency centrifugal fan 7, a high-efficiency heat exchanger 8, a fresh air high-efficiency filter 2, a temperature sensor 4 and CO2The device comprises a sensor 5, a flow equalizing plate 6, a fresh air electric air valve 1, an air return electric air valve 3, a case 9 and a control panel 20. The outdoor fresh air treated by the high-efficiency filter 2 enters the air mixing box 10 of the equipment to be mixed with the indoor return air, and the mixed air flows through the high-efficiency heat exchanger 8 to be treated to a corresponding state point and then is sent into the room. According to engineering conditions, fresh air in each room can be concentrated in an outer wall opening by a system in the same area or introduced by opening openings of each room respectively. Each equipment is individually configured with a control panel 20, and the user can adjust the indoor fresh air and the temperature respectively. An electric two-way valve 13 is arranged inside the high-efficiency heat exchanger 8, and the electric two-way valve 13 is connected with a control panel 20. The external installation of machine case 9 has control panel 20, control panel 20 respectively with new trend electrical control valve 1, high-efficient heat exchanger 8, frequency conversion centrifugal fan 7, temperature sensor 4, CO2The sensor 5 is connected; temperature sensor 4 and CO2The signal transmission of sensor 5 monitoring to control panel 20 can realize the regulation and the control to new trend electrical control valve 1, high-efficient heat exchanger 8, frequency conversion centrifugal fan 7 through control panel 20.
The fan coil fresh air adding integrated device comprises a case 9, wherein the case 9 is hung on an indoor roof through a plurality of hanging rods 15, the two opposite ends of the case 9 are both open ends, the front end of the case 9 is an air inlet end, the rear end of the case 9 is an air outlet end, and the lower surface of the case 9 is provided with an air return port;
a fresh air electric regulating valve 1 is installed at the air inlet end, and a high-efficiency filter 2 is installed inside a case 9 at the rear end of the fresh air electric regulating valve 1; the outside of the fresh air electric regulating valve 1 is provided with a flexible connection 14 through a flange 11, the tail end of the flexible connection 14 is connected with an air pipe 12, an air inlet of the air pipe 12 is arranged outdoors, and a rainproof louver air port 18 is arranged on the air inlet;
the air return opening is provided with an air return electric regulating valve 3, and a temperature sensor 4 and CO are arranged inside the air return electric regulating valve 32A sensor 5; the air inlet of the return air electric regulating valve 3 is provided with a flexible connection 14 through a flange 11, the tail end of the flexible connection 14 is connected with an air pipe 12, the return air inlet of the air pipe 12 is provided with a shutter return air inlet 16, and the shutter return air inlet 16 is arranged at the connecting part of the air pipe 12 and an indoor ceiling 19;
the high-efficiency heat exchanger 8 is arranged at the air outlet end, and the variable-frequency centrifugal fan 7 is arranged on the high-efficiency heat exchanger 8; the outside of high-efficient heat exchanger 8 installs flexible coupling 14 through flange 11, and the end connection tuber pipe 12 of this flexible coupling 14, square air diffuser 17 is installed to the air outlet of tuber pipe 12, square air diffuser 17 sets up the junction at tuber pipe 12 and indoor furred ceiling 19.
And a flow equalizing plate 6 is arranged between the return air electric regulating valve 3 and the variable-frequency centrifugal fan 7 in the case 9.
Fresh air in each room in the same area of the fan coil and fresh air integrated device can be collected through the air pipe 12, air is collected from the concentrated opening of the outer wall of the area, or the fresh air pipe 12 is independently arranged in each room, and air is collected from the outer wall, and the plane layout is shown in attached figures 4 and 5.
The equipment can adjust each mode according to the buttons of the control panel 20, the fresh air control buttons on the control panel 20 adjust the opening of the fresh air inlet electric adjusting valve 1 according to the fresh air quantity demand of a user, and the indoor return air pipe 12 is provided with CO2The sensor 5 will monitor indoor CO in real time2The concentration of the active ingredients in the mixture is,the minimum fresh air volume in the room is automatically adjusted. And a total air volume control button on the control panel 20 adjusts the opening of the electric air return inlet adjusting valve 3 according to the total air volume requirement of a user. Temperature sensor 4 at air return inlet, CO2The signal transmitting ends of the sensors 5 are respectively connected with the contacts in the indoor control panel 20, and the actuators in the control panel 20 are connected with the return air electric regulating valve 3. The mixed air flow is guided by the fan to flow through the heat exchanger for cooling (warming), the temperature control button on the control panel 20 adjusts the return water flow through the temperature sensor 4 of the indoor return air pipe 12, so that the indoor air supply temperature is adjusted, and the cooled air flow is sent into the room through the air supply outlet to adjust the room temperature. The unit sets up full new trend mode, satisfies room new trend demand in transition season.
The fresh air volume mode is divided into high, medium and low grades, and the fresh air volume corresponding to each grade of equipment with different models is different. Such as fan coil FP-68 model, middle wind quantity 680m3And h, 3600W of nominal cooling capacity and 5400W of nominal heating capacity. In the practical engineering, the room cooling load index is generally 80-120W/square meter, namely the cooling area of the fan coil is generally 30-45 square meters, the personnel density is 0.07P/square meter, the personnel in the area is 2.1-3.2, and the minimum fresh air volume of each person in an office room is 30m according to the requirement of the design Specification for heating, ventilating and air conditioning of civil buildings according to the 3.0.6 item3V (h, man), the fan coil FP-68 model is corresponding to the middle-grade fresh air volume of 90m3The low-grade fresh air quantity can be the minimum fresh air quantity of 30m when the indoor personnel is 13Perh, the high-grade fresh air quantity is taken twice as much as the middle-grade fresh air quantity, namely 180m3/h。
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure should be limited only by the attached claims.
Claims (10)
1. A fan coil fresh air adding integrated device is characterized in that the fan coil fresh air adding integrated device is provided with a case (9), and the front end and the rear end of the case (9) are both open ends;
the front end of the case (9) is an air inlet end, the air inlet end is provided with a fresh air electric regulating valve (1), and a high-efficiency filter (2) is arranged in the case (9) at the rear side of the fresh air electric regulating valve (1);
the rear end of the case (9) is an air outlet end, the air outlet end is provided with a high-efficiency heat exchanger (8), and a variable-frequency centrifugal fan (7) is arranged in front of the high-efficiency heat exchanger (8);
the lower surface of the case (9) is provided with a return air inlet, a return air electric regulating valve (3) is installed at the return air inlet, and a temperature sensor (4) and CO are installed inside the return air electric regulating valve (3)2A sensor (5);
the outdoor unit is characterized in that a control panel (20) is arranged outside the case (9), and the control panel (20) is respectively connected with the fresh air electric regulating valve (1), the high-efficiency heat exchanger (8), the variable-frequency centrifugal fan (7), the temperature sensor (4) and the CO2The sensors (5) are connected.
2. A fan coil fresh air adding integrated device according to claim 1, wherein a wind mixing box (10) is arranged in the chassis at the upper end of the return air electric regulating valve (3).
3. A fan coil fresh air adding integrated device according to claim 1, wherein a flexible connection (14) is mounted on the outside of the fresh air electric control valve (1) through a flange (11), and the tail end of the flexible connection (14) is connected with an air pipe (12).
4. A fan coil fresh air integrated device according to claim 3, wherein the air inlet of the air duct (12) is arranged outdoors, and a rain-proof louver opening (18) is installed on the air inlet.
5. A fan coil fresh air integrated device according to claim 1, wherein a flexible connection (14) is installed outside the high-efficiency heat exchanger (8) through a flange (11), the end of the flexible connection (14) is connected with an air pipe (12), and a square air diffuser (17) is installed at the air outlet of the air pipe (12).
6. A fan coil fresh air integrated device according to claim 5, wherein the square air diffuser (17) is provided at the junction of the air duct (12) and the indoor ceiling (19).
7. The fan coil fresh air adding integrated device as recited in claim 1, wherein a flexible connection (14) is installed at an air inlet of the return air electric regulating valve (3) through a flange (11), the tail end of the flexible connection (14) is connected with an air pipe (12), a shutter return air inlet (16) is installed at a return air inlet of the air pipe (12), and the shutter return air inlet (16) is arranged at a connecting position of the air pipe (12) and an indoor ceiling (19).
8. A fan coil fresh air supply integrated device according to claim 1, wherein a flow equalizing plate (6) is installed inside the cabinet (9) between the return air electric control valve (3) and the variable frequency centrifugal fan (7).
9. A fan coil fresh air integration apparatus as claimed in claim 1, wherein the enclosure (9) is suspended from an indoor roof by a plurality of hanger rods (15).
10. A fan coil fresh air integrated device according to claim 1, wherein an electric two-way valve (13) is installed inside the high efficiency heat exchanger (8), and the electric two-way valve (13) is connected with a control panel (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122950146.0U CN216384378U (en) | 2021-11-29 | 2021-11-29 | Fan coil adds new trend integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122950146.0U CN216384378U (en) | 2021-11-29 | 2021-11-29 | Fan coil adds new trend integrated device |
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| Publication Number | Publication Date |
|---|---|
| CN216384378U true CN216384378U (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122950146.0U Active CN216384378U (en) | 2021-11-29 | 2021-11-29 | Fan coil adds new trend integrated device |
Country Status (1)
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|---|---|
| CN (1) | CN216384378U (en) |
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2021
- 2021-11-29 CN CN202122950146.0U patent/CN216384378U/en active Active
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