CN216203917U - Radiant panel group for indoor heat exchange and office station air conditioning system - Google Patents

Abstract

The utility model relates to the technical field of indoor air conditioners in office rooms, in particular to a radiation plate group for indoor heat exchange and an office station air conditioning system. The radiation plate group comprises a cold radiation plate for refrigerating in summer and a heat radiation plate for supplying heat in winter, the cold radiation plate is embedded in the desktop plate and/or the upper side baffle of the desk, and the heat radiation plate is embedded in the lower side baffle of the desk. The radiation plate exchanges heat in a heat radiation mode, no blowing sense exists, thermal comfort is improved, and meanwhile, the risk of cross infection caused by air supply airflow organization is avoided. The radiant panel system using the refrigerant as the heat transfer medium improves the heat exchange efficiency and also reduces the risk of leakage of the water pipe connection.

Description

Radiant panel group for indoor heat exchange and office station air conditioning system

Technical Field

The utility model relates to the technical field of indoor air conditioners in office rooms, in particular to a radiation plate group for indoor heat exchange and an office station air conditioning system.

Background

With the trend of normalization and stabilization of the prevention and control of new coronary pneumonia epidemic situations, the weather is gradually changed into heat, and with the continuous release of the enclosed space operating place, the problem of the application of an air conditioner is concerned. However, epidemic prevention and control are often dealt with, and many central air conditioners in office buildings adopt a mode of 'one-time-cutting' without opening, so that office workers staying in a closed space for a long time feel hot and suffocated, the thermal comfort of human bodies cannot be met, and meanwhile, the indoor air quality cannot be guaranteed. The traditional central air conditioner with coupled temperature and humidity processing also has the following problems:

1. the traditional central air conditioning system with temperature and humidity coupling processing generates condensed water through temperature reduction and dehumidification, and the condensed water is easy to breed bacteria in summer to cause indoor air pollution. Meanwhile, the temperature and humidity cannot be independently controlled, the comfort of the humidity is usually sacrificed for controlling the temperature requirement, and the indoor thermal comfort is poor.

2. The return air is uniformly returned to the air conditioning unit for treatment and then sent to each room, and if the air conditioning unit is not subjected to disinfection and sterilization treatment, viruses can be diffused to each room in the form of aerosol through the air supply pipeline, so that the probability of cross infection is increased.

3. The indoor air conditioner or fresh air system usually adopts the form of air flow organization such as upward feeding and upward returning, lateral feeding and upward returning, and the like, and the air flow organization is characterized in that the air conditioner streamline is not in a single direction, the streamlines are crossed, and meanwhile, the possibility of cross infection of indoor personnel is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a radiant panel group for indoor heat exchange and an office station air conditioning system, which solve the technical problem that the traditional indoor air conditioning or fresh air system cannot avoid virus cross infection of a closed space caused by air flow organization cross.

The present invention provides a radiant panel assembly for indoor heat exchange, which comprises: the cold radiation board that summer refrigeration was used and the heat radiation board that winter supplied heat and was used, the cold radiation board is embedded in the desktop board of desk and/or in the upside baffle, the heat radiation board is embedded in the downside baffle of desk.

Optionally, heat insulation layers are arranged in the desk top plate and the baffle plate of the desk, and the radiation plate group is arranged on one side, far away from people, of the heat insulation layers.

Optionally, the radiation plate group is in a plurality of U-shaped head-to-tail connected shapes or circular shapes.

The utility model also provides an office station air conditioning system based on the cold and heat radiation plates, which comprises a compressor unit and a radiation plate group for indoor heat exchange, wherein a medium for heating or refrigerating of the compressor unit is Freon, the Freon processed by the compressor unit enters the radiation plate group from a high-temperature cold and heat source inlet for heat exchange, and then is discharged to the compressor unit from a high-temperature cold and heat source outlet.

Optionally, the heat radiation plate and the cold radiation plate are respectively connected to the compressor unit through a corresponding working medium pipeline and a high-temperature cold and heat source inlet and outlet to form working medium circulation.

Optionally, the high-temperature cold and heat source inlet and outlet include a high-temperature heat source inlet and a high-temperature heat source outlet, and the high-temperature heat source inlet and the high-temperature heat source outlet are both located above the inner side wall of the office.

Optionally, an overhead floor is erected on the ground of the office, and the working medium pipeline is fixedly arranged in the overhead floor.

Has the advantages that: the utility model provides a radiant plate group for indoor heat exchange and an office station air conditioning system, which comprise a compressor unit and the radiant plate group for indoor heat exchange, wherein a medium for heating or refrigerating of the compressor unit is Freon, the Freon processed by the compressor unit enters the radiant plate group from a high-temperature cold and heat source inlet for heat exchange, and then is discharged to the compressor unit from a high-temperature cold and heat source outlet. The radiation plate group comprises a cold radiation plate for refrigerating in summer and a heat radiation plate for supplying heat in winter, the cold radiation plate is embedded in a table top plate and/or an upper side baffle of the office table, and the heat radiation plate is embedded in a lower side baffle of the office table. The radiation plate exchanges heat in a heat radiation mode, no blowing sense exists, thermal comfort is improved, and meanwhile, the risk of cross infection caused by air supply airflow organization is avoided. The radiation plate system using the refrigerant as the heat transfer medium saves a traditional air conditioning water system, uses water as the heat exchange process of the intermediate medium, improves the heat exchange efficiency, and simultaneously reduces the risk of water pipe connection leakage.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

FIG. 1 is a front view of a desk of the present invention;

FIG. 2 is a top plan view of the desk of the present invention;

FIG. 3 is a schematic diagram of an office air conditioning system according to the present invention;

fig. 4 is a schematic structural view of the negative pressure fresh air system of the present invention.

Description of reference numerals: 1-an office table, 2-a table top plate (with a thermal insulation layer), 3-a cold radiation plate, 4-a heat radiation plate, 5-a cold radiation plate inlet, 5 ' -a cold radiation plate outlet, 6-a heat radiation plate inlet, 6 ' -a heat radiation plate outlet, 7-a fresh air suction inlet, 8-an exhaust fan, 9-a cold radiation plate regulating valve a, 10-a cold radiation plate regulating valve b, 11-a heat radiation plate regulating valve, 12-a high-temperature cold and heat source inlet, 12 ' -a high-temperature cold and heat source outlet, 13-a fresh air supply outlet, 14-a control switch, 15-a fresh air exhaust air duct, 16-an exhaust air duct, 17-an overhead floor, 18-an exhaust outlet, 19-a fresh air duct and 20-a ceiling.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model. The utility model is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments 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 a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

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.

As shown in fig. 1 to 4, the present invention provides an anti-air-flow tissue cross heat exchange system with a heat and cold radiation plate, comprising: an office station air conditioning system and a negative pressure fresh air system; the office station air conditioning system comprises a radiation plate group, wherein the radiation plate group is used for emitting infrared heat radiation to heat the indoor environment temperature of an office or absorbing the infrared heat radiation to cool the indoor environment temperature of the office; the negative pressure fresh air system is used for sending fresh air out of an office into a room and discharging hot air generated by the work of the radiation plate group to the outside through the air receiving pipe.

Through the combination of office station air conditioning system and negative pressure new trend system, the two can the combined use, also can the exclusive use, and the region of action of two systems is near desk 1, and every desk 1 all corresponds office station air conditioning system and negative pressure new trend system, and two systems do not produce the interference each other. This radiant panel office station air conditioning system + independent negative pressure new trend system framework, the humiture independent control system who comprises radiant panel and independent new trend system can carry out independent control to temperature and humidity, and better adjusts and control indoor temperature, humidity, and the parameter in the accurate control improves human travelling comfort. Every desk 1 is last all to have corresponding office station air conditioning system switch, and everybody can both select whether to open office station air conditioning system according to the state of self and carry out local temperature regulation and control. Corresponding negative pressure new trend system reason is the same, and everyone can both select whether to open negative pressure new trend system according to the state of self and carry out the regulation and control of local air freshness.

Specifically, in an office, two systems are configured, one is a radiant panel temperature control system, namely an office station air conditioning system, and the other is an independent fresh air humidity control system.

The office station air conditioning system comprises a radiation plate group, wherein the radiation plate group is used for emitting infrared heat radiation to heat the ambient temperature of the region of the office table 1 or absorbing the infrared heat radiation to cool the ambient temperature of the region of the office table 1. The radiation plate group comprises two radiation plates, namely cold radiation plates 3 for refrigerating in summer, which are respectively embedded below the upper side baffle plate and the desktop plate 2 of the office table 1; and a heat radiation plate 4 for heating in winter is installed and embedded in the lower side baffle of the office table 1. The tube material of the radiation plate adopts a copper tube, and the heat exchange medium in the radiation plate adopts a refrigerant.

The radiant panel group is a plate-shaped air-conditioning terminal device, and is a heater emitting infrared heat radiation or a refrigerator absorbing red heat external radiation. The process of transferring heat from a high temperature object to a low temperature object by means of infrared radiation is called thermal radiation. The low temperature object absorbs infrared rays of the high temperature object, called cold radiation.

The radiation plate group heats or refrigerates the working element to achieve the purpose of heat radiation heating or cold radiation refrigeration to the surrounding environment. The media used for heating or cooling are mainly water, refrigerants (freon, liquid ammonia), steam, electricity, etc. (Heat exchange working medium). The utility model adopts the refrigerant as the radiation plate of the heat exchange medium, namely the heat exchange medium in the radiation plate is the refrigerant, commonly known as Freon.

As shown in fig. 1 to 3, the cold source of the radiation plate group of the desk 1 is connected to the high temperature cold source, the cold and heat radiation plates 4 are switched in winter and summer by controlling the first cold radiation plate adjusting valve 9, the second cold radiation plate adjusting valve 10 and the heat radiation plate adjusting valve 11 through the operation control switch 14, and the usage of the side baffle and the cold radiation plate 3 under the desk top 2 can also be switched by controlling the first cold radiation plate adjusting valve 9 and the second cold radiation plate adjusting valve 10 through the operation control switch 14 according to the indoor temperature. The radiation plate group exchanges heat in a heat radiation mode, no blowing sense exists, no airflow exists, thermal comfort is improved, and meanwhile the risk of cross infection caused by air supply airflow organization is avoided.

Specifically, the air conditioning system at the office station further comprises a compressor unit, wherein a medium used for heating or refrigerating by the compressor unit is freon, the freon processed by the compressor unit enters the radiation plate group from the high-temperature cold and heat source inlet 12 for heat exchange, and then is discharged to the compressor unit from the high-temperature cold and heat source outlet 12'. The medium is circulated and conveyed in a closed manner through the pipeline buried in the hollow floor in the room, so that the freon can be recycled.

Refrigerating in summer, starting the cold radiation plate 3 below the table top plate 2 and the cold radiation plate 3 of the baffle plate at the upper side, and sinking cold air to realize better refrigerating effect; heat supply in winter starts the heat radiation board 4 of table body structure downside baffle, and the hot-air come-up is convenient for better heat supply effect. The cold and hot radiation plate 4 meets the indoor temperature environment regulation in a radiation mode, and a traditional air conditioner air supply convection heat exchange mode does not exist, so that certain air flow organization is avoided, and the risk of cross infection of indoor personnel is increased. The switching use of the cold and hot radiation plates 4 is controlled by corresponding valves. The cold radiation plate 3 is provided with a cold radiation plate inlet 5 and a cold radiation plate outlet 5', when in use, the heat radiation plate inlet 6 and the heat radiation plate outlet 6 on the heat radiation plate 4 are correspondingly closed, and a high-temperature cold and heat source can automatically circulate in the cold radiation plate 3 to form refrigeration; the working principle of heating is the same, and the details are not repeated.

Wherein, a heat preservation and insulation layer is arranged in the desktop plate 2 and the baffle of the office desk 1, and the radiation plate group is arranged on one side of the heat preservation and insulation layer far away from people. The heat-insulating layer is arranged in such a way that the radiation plate group can be prevented from being in contact with a human body accidentally, and the heat-insulating layer is used for carrying out regional directional heat dissipation or refrigeration, so that the heat dissipation is reduced, and the heat is concentrated near the human body.

The radiation plate group saves the heat exchange process of the traditional air-conditioning water system by using water as an intermediate medium, improves the heat exchange efficiency and reduces the risk of water pipe connection leakage. The heat radiation plate 4 and the cold radiation plate 3 are respectively connected to the compressor unit through corresponding working medium pipelines and a high-temperature cold and heat source inlet and outlet to form working medium circulation, and regulating valves are arranged in the working medium pipelines. The corresponding radiant panel can be opened by controlling the regulating valve. The refrigerant system in the radiation plate group adopts a red copper pipe as a medium transportation pipeline, namely a working medium pipeline, and the radiation plate reserves an interface of the refrigerant system and is conveniently connected with a main pipe of a high-temperature cold source air conditioning unit or a compressor unit.

Optionally, the radiation plate group is in a plurality of U-shaped head-tail connection types or circular ring types. Similar to the shape of the heat dissipation structure, the heat exchange area is maximized in a limited space.

As shown in fig. 4, the independent negative pressure fresh air system is used for sending fresh air out of the office into the area above the office table 1 indoors and discharging the fresh air out of the area at the side of the office table 1 through the air receiving pipe. A fresh air exhaust air duct 15 is arranged beside the office table 1, fresh air is exhausted and sucked through an exhaust fan 8 arranged in the fresh air exhaust air duct 15, and fresh air coming down from the upper side of the office table 1 is sucked from a fresh air suction port 7, passes through the fresh air exhaust air duct 15 and then is uniformly exhausted to an outer wall air outlet 18 through a pipeline.

The desk 1 adopted in the utility model can be embedded with a cold and heat radiation plate and an independent fresh air exhaust duct system. Imbed cold/heat radiation board respectively with table body structure lower part under 1 desktop board 2 of desk, the desk 1 subsidiary negative pressure new trend exhaust duct system of this system simultaneously sets up the intermediate layer wind channel at the table body structure of desk 1 promptly, ensures that the wind channel inlet scoop is negative pressure state, indoor new trend of drainage to exhaust duct.

Independent negative pressure new trend system is from new trend unit through new trend pipeline 19 introduction indoor, and the new trend supply-air outlet 13 of new trend exhaust duct installs on furred ceiling 20, and new trend supply-air outlet 13 is installed directly over every desk 1, and the new trend that has handled through new trend unit passes through new trend supply-air outlet 13 and delivers to office area's staff top. The indoor airflow organization streamline is ensured to be directly sent to the region of the office table 1 from the fresh air supply port 13, and then fresh air is sucked from the fresh air suction port 7 through the drainage of the exhaust fan 8 after being utilized by personnel. Wherein the fresh air inlet 7 is positioned in the side baffle of the office table 1. Air in the area of each office table 1 is sucked through a fresh air exhaust duct 15 and then uniformly exhausted to an air outlet 18 arranged on the outer wall through an exhaust air pipe 16 below an overhead floor 17. Set up exhaust fan 8 in the new trend exhaust airway of desk 1, through connect the unified emission of tuber pipe system once built on stilts floor 17 to outdoor, just so can ensure that the new trend streamline is not crisscross, reduce personnel and infect the risk. The independent negative pressure new trend system of configuration in the office room introduces fresh air for airtight space, simultaneously through the humidity of control new trend state with the control room environment, realizes humiture independent control, can also guarantee the indoor air quality. The new trend of this system air exhaust wind channel 15 imbeds the structure of desk 1, and this wind channel is negative pressure state under the effect of exhaust fan 8 simultaneously, ensures the new trend air exhaust wind channel of new trend air current water conservancy diversion to desk 1, ensures that the streamline of new trend does not intersect.

Wherein, raised floor 17 is high 200mm, lays pipelines such as fresh air exhaust pipe and desk 1 supporting cable under raised floor 17.

Independent negative pressure new trend system is satisfying under indoor humidity and the prerequisite of air quality, and the new trend wind channel of taking negative pressure system of desk 1 can be with new trend from the supply-air outlet drainage to raised floor 17's air exit 18, guarantees that indoor air current organization streamline is from the supply-air outlet directly to reach desk 1 region, then discharges through desk 1 new trend. Ensure that the new trend streamline does not intersect, reduce personnel and infect the risk. Meanwhile, during non-epidemic situations, the exhaust fan 8 of the raised floor 17 can be not started, and the fresh air system can automatically seep out through gaps between doors and windows through indoor and outdoor pressure difference, so that the purposes of ventilation and air exchange are achieved.

The independent temperature and humidity control system consisting of the radiation plate and the independent fresh air system can independently control the temperature and the humidity, adjust and control the indoor temperature and the indoor humidity better, accurately control indoor parameters and improve the comfort of a human body.

Meanwhile, an air conditioning mode of independently controlling temperature and humidity is adopted, the air conditioning unit is a high-temperature cold source, and the efficiency of the air conditioning unit is greatly increased. The radiant panel exchanges heat in a heat radiation mode, no blowing sense exists, thermal comfort is improved, meanwhile, the risk of cross infection caused by air supply airflow organization is avoided, the coil pipe does not have a wet surface of condensed water, air supply quality is high, and indoor personnel are comfortable and healthy; meanwhile, the radiation plate system taking the refrigerant as the heat transfer medium omits the traditional heat exchange process taking water as an intermediate medium, improves the heat exchange efficiency, and reduces the risk of leakage of water pipe connection.

In an optional scheme, the inlet of the fresh air exhaust duct 15 faces an office area, and the inlet of the fresh air exhaust duct 15 is horizontal. The office area is the place where people are located, and the air in the office personnel area can be better absorbed and filtered by the inlet of the horizontal fresh air exhaust air duct 15.

Optional scheme, the entry in new trend wind channel 15 of airing exhaust is equipped with the filter pulp, and the filter pulp plays the effect of filtering the dust, prevents that the excessive accumulation of dust from leading to the jam in new trend wind channel 15 of airing exhaust.

This system improves thermal comfort level when solving the accurate control of office building internal environment humiture, can also organize the streamline through reasonable in design's air current and reduce cross infection's risk, still has "peacetime and war combination" state concurrently simultaneously, during non-epidemic situation prevention and control, can keep general malleation new trend air supply mode, reduces the operation energy consumption.

The utility model has the advantages that:

1. the temperature and humidity independent control system composed of the radiation plate and the independent fresh air system respectively controls the indoor temperature and humidity through the radiation plate and the fresh air independently, so that the indoor temperature and humidity can be better and independently adjusted and controlled, indoor parameters can be accurately controlled, and the comfort of a human body can be improved;

2. the air conditioning mode with independent temperature and humidity control is adopted, the compressor is a core component of the air conditioning unit, the evaporation temperature of the air conditioning unit is increased to 14-16 ℃ from 2-3 ℃ of the conventional air conditioning unit in summer, when the condensation temperature is 40 ℃, the COP of the Carnot refrigerating machine is increased to 11.0-12.0 from 7.2-7.5, and the efficiency of the air conditioning cold air conditioning unit is greatly increased.

3. The temperature and humidity independent control system adopts a high-temperature cold source for the radiation plate in summer, no condensed water is generated on the surface of the radiation plate, bacteria and legionella are not easy to breed, the quality of supplied air is high, and the comfort and health of indoor personnel are ensured;

4. the radiation plate exchanges heat in a heat radiation mode, no blowing sense exists, thermal comfort is improved, and meanwhile, the risk of cross infection caused by air supply airflow organization is avoided.

5. The radiation plate system using the refrigerant as the heat transfer medium saves a traditional air-conditioning water system, uses the refrigerant as the heat exchange process of the intermediate medium, improves the heat exchange efficiency, and simultaneously reduces the risk of water pipe connection leakage.

6. Independent new trend system is satisfying under the prerequisite of indoor humidity and air quality, and the new trend wind channel of taking negative pressure system of desk can be with new trend from the supply-air outlet drainage to the air exit on raised floor, guarantees that indoor air current organizes the streamline and directly sends to the desk region from the supply-air outlet, then discharges away through the new wind channel of desk. Ensure that the new trend streamline does not intersect, reduce personnel and infect the risk. Meanwhile, during non-epidemic situations, the exhaust fan of the raised floor can be not opened, and the fresh air system can automatically seep out through the gap between the door and the window through the indoor and outdoor pressure difference, so that the purposes of ventilation and air exchange are achieved.

This system improves thermal comfort level when solving the accurate control of office building internal environment humiture, can also organize the streamline through reasonable in design's air current and reduce cross infection's risk, still has "peacetime and war combination" state concurrently simultaneously, during non-epidemic situation prevention and control, can keep general malleation new trend air supply mode, reduces the operation energy consumption.

The foregoing is merely a preferred embodiment of the utility model and is not intended to limit the utility model in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the utility model as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims (7)

1. A radiant panel assembly for indoor heat exchange, comprising: the cold radiation board that summer refrigeration was used and the heat radiation board that winter supplied heat and was used, the cold radiation board is embedded in the desktop board of desk and/or in the upside baffle, the heat radiation board is embedded in the downside baffle of desk.

2. The set of radiant plates for indoor heat exchange of claim 1, wherein the top and the baffle of the desk are provided with thermal insulation layers, and the set of radiant plates is disposed on a side of the thermal insulation layers away from a person.

3. The radiant plate group for indoor heat exchange as claimed in claim 1, wherein the radiant plate group is formed in a plurality of U-shaped end-to-end connected type or circular ring type.

4. An office air conditioning system based on cold and heat radiation plates, which comprises a compressor unit and is characterized in that the office air conditioning system further comprises the radiation plate group for indoor heat exchange as claimed in any one of claims 1 to 3, the medium for heating or refrigerating of the compressor unit is Freon, and the Freon processed by the compressor unit enters the radiation plate group from a high-temperature cold and heat source inlet to exchange heat and then is discharged to the compressor unit from a high-temperature cold and heat source outlet.

5. An office station air conditioning system based on a cold and hot radiation plate as claimed in claim 4, wherein the heat radiation plate and the cold radiation plate are respectively connected to the compressor unit through corresponding working medium pipelines and the high temperature cold and hot source inlet and outlet to form working medium circulation.

6. The office station air conditioning system based on the cold and heat radiation plates as claimed in claim 5, wherein the high temperature cold and heat source inlet and outlet comprises a high temperature heat source inlet and a high temperature heat source outlet, and the high temperature heat source inlet and the high temperature heat source outlet are both positioned above the inner wall of the office.

7. An office station air conditioning system based on a cold and hot radiation plate as claimed in claim 6, wherein a raised floor is erected on the floor of the office, and the working medium pipeline is fixedly arranged in the raised floor.

Images