CN101240917B

CN101240917B - Equipment for cooling and heating space of building

Info

Publication number: CN101240917B
Application number: CN2008100057606A
Authority: CN
Inventors: 伊日·佩特拉赫
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-02-06
Filing date: 2008-02-04
Publication date: 2010-10-13
Anticipated expiration: 2028-02-04
Also published as: EP1956305A2; RU2008103455A; US20080196860A1; RU2375640C2; CN101240917A; EP1956305A3; CZ2007100A3

Abstract

The present invention provides a device for cooling and warming space of building, in an entrance used for inlet of the circulating air and a shell used for exhaust port of the adjusted air, a heat exchanger unit having a fan, the fan is located in the exit side of the heat exchanger, a condensation jar is located in the lower of the heat transfer surface of the heat exchanger. The two ends of the heat transfer surface of the heat exchanger are tightly sealed by the shell, the shell is provided with the tightly assembled maintenance cover. The heat transfer surface of the heat exchanger is composed of a cylinder ring shaped section, the axes of the cylinder ring shaped section is vertical to the horizontal flow direction of the inlet circulating air, and the unsealed part of the cylinder is tightly assembled on the vertically sealing wall of the shell in its whole height. The cylinder heat transfer surface has an exhauster in it, the exhaust hermetically passes the vertically sealing wall of the shell in the position of the cylinder unsealing part of the heat transfer surface of the heat exchanger, connecting with an air distribution element by a distributing pipeline via an diffuser.

Description

Be used for making the space cooling of building and the equipment that warms

Technical field

The present invention relates to be used for making the space cooling of building and the equipment that warms.

Background technology

In order to ensure a home from home in the administrative buidling thing, fan coil is known for a long time and is used as the end component of air-conditioning system, to guarantee good hot state under the situation that does not need original fresh source of the gas.Simultaneously, it is introduced into as the counterbalance of suction unit, attempts to replace this final air-conditioning element with the abundant brute force and the pliable and tough unit that do not rely on main air-flow.Another purpose of its introducing is to simplify to be used to the regulating system that water warmed and cool off, and this is because with in the accessory fan insertion system, allows bigger performance range by making air circulation cross heating surface.Like this, determined heating and cooling performance under the situation that does not directly rely on original source of the gas, this also means the diameter of the central vertical air distribution that can reduce in the high constructure.At present fan coil is used for the comfortable air conditioning on accommodation, meeting room, administrative region, commercial surface or the like mainly as final element, and is used in the exhaust from the thermic load of some technological operations.The structure arrangement of these fan coils is for example described in U.S. Patent No. 4527762, No.4548050, No.4856672, No.4986087, No.5042269, No.5071027, No.5113667, No.5131560, No.5152154, No.5174467, No.5195332, No.5199276, No.5205472, No.6109044.

Viewpoint from total structure solution, in the making of fan coil with conceptively do not have a marked change, their development mainly concentrate on the possibility of the use that relates to mass-producted modern production technology, improved adjusting, the size that reduces and also partly concentrate on the bigger validity of each separate part and in those unit because the reducing on the noise level that reduces that the increase with the blower fan revolution causes of their sizes.The initial effect of design of air conditioning is that noise is not reduced consistently in the zone of using them.The noise of fan coil is the maximum problematic factor of following.Noise mainly causes by the operation of blower fan, and it is subjected to making, its heating and the cooling performance of fan coil and the influence in the zone of being used.When because the incorrect design of blower fan runner bucket, because along the steep limit of airflow direction or the like and turbulization when moving, noise is generally by being caused by the structure embodiment of the unit of inappropriate enforcement.Noise is also implemented, blower fan is applied very big overall strain and causes by the unsuitable technology of unit and annex thereof.The pressure loss from blower fan is so big so that need the high runner peripheral speed and the input from blower fan of increase to overcome them.General and its input of the noise of blower fan and efficient have specific mathematical relationship.Following principle generally is suitable for, and promptly hypothesis has good technique to implement, and then the revolution of blower fan is big more, and its noise is big more.By will being equaled of causing of the element in fan coil and the annex thereof by the pressure loss that blower pressure compensates by the air velocity in this section square.In fact that means that then the pressure loss will be reduced 1/4th, and the essential input from blower fan will be reduced to 25% of primary power demand if can in the critical component of the sizable pressure loss of experience air velocity be reduced half.Real situation is, noise level can not reduce with this ratio, this be because noise reduce have logarithmic relationship, however, this reduces to be still sizable.The target of the invention of being applied for be create that noise level reduces, logistics support is simplified be used for making the space cooling of building and the equipment that warms, the quantity of the supply among its part and the stock reduces, and has the scheduling of simplification and producing by batch of maintenance and increase.

Summary of the invention

The present invention relates to be used for making the space cooling of building and the equipment that warms, be provided with inlet that enters that is used for circulating air and the shell that is used for the exhaust outlet of conditioned air at it, the heat exchanger unit that the band blower fan is arranged, wherein this blower fan is positioned on the outlet side of heat exchanger, and drainer is arranged below the heating surface of heat exchanger, and wherein the heating surface of heat exchanger is closely sealed by shell at the place, two ends, and this shell is provided with the service cover of close fit.Basis of the present invention is that the heating surface of heat exchanger is made of cylindrical annular section, the axis normal of this cylindrical annular section is in the direction of the bottom horizontal flow sheet of the circulating air that enters, and cylindrical not enclosure portion closely is being assemblied on its whole height on the vertical closure wall of shell, and wherein within this cylindrical heating surface, sucktion fan is arranged, the vertical closure wall of shell is passed in the exhaust of described sucktion fan hermetically in the position of the cylindrical not enclosure portion of the heating surface of heat exchanger, and, link to each other with the air distribution member by distribution duct via diffuser.

Can there be dust filter the porch of leading to heat exchanger at the air for the treatment of thermal conditioning, and this intake section of its shape and heat exchanger is corresponding.Distribution member is selected from the group that is made of barretter, hole, large-area draft outlet.

Equipment according to the present invention be compact and have with building in existing soffit or floor system corresponding standard outside the pale of civilization size, for example 60 * 60cm.Purpose is to produce modular equipment, and it allows producing by batch of logistics support simplification, and promptly the quantity of the supply among part and the stock reduces and have the scheduling and the maintenance of simplification.Further advantage is that the noise level of equipment reduces.

Heat exchanger tube links to each other with the four tubular type distribution systems that are used for working media at its entrance and exit, be provided with a plurality of shutoff valves that are connected to prevent heat exchanger supply simultaneously and to discharge heating and cooling work medium so that be used for cooling off with discharge pipe with all supplies of heating working media, for this reason, heating along being used on the direction of heat exchanger and the supply pipe of cooling work medium, arrange control valve individually, its outlet links to each other with the pipe of the porch of leading to heat exchanger, and links to each other with the pipe in the exit of heat exchanger along the outlet of the shutoff valve of the direction of heat exchanger simultaneously.The mobile control valve that is used for regulating heating and cooling work medium is separately connected to the room temperature sensor in the zone of air conditioning by adjuster.The heat exchanger unit with blower fan, distribution duct and air distribution member that at least one is other can be in parallel with the pipe in the exit of the pipe of the porch of heat exchanger and heat exchanger.From the viewpoint of regulating, advantageously, in a larger-size place or in the place of the rising that big heat loss or temperature are arranged, by the more than one unit of single room temperature sensor control device.

Be used for to be connected distribution duct from heat exchanger unit from the pipeline of the central processor equipment supplied fresh air that is used for extraneous air, so that it is connected on the flow direction of circulating air, described heat exchanger unit has and is used for blower fan that air is circulated in the zone that air conditioning is arranged.Thereby the generation jeting effect helps flowing of air, does not therefore reduce the output of equipment.According to the present invention, shutoff valve and control valve and additional electrical installation elements can be arranged in the device housings.All these helps the compactedness of equipment.

Description of drawings

Description by accompanying drawing and following object lesson to a possible embodiment further specifies the present invention.Fig. 1 represents the side view of partial cross-section of embodiment level, soffit of air-conditioning unit.Fig. 2 is the plan view of the embodiment among Fig. 1.Fig. 3 is the schematic diagram of one group of air-conditioning unit that comprises the unit of host type, the unit of this host type has the unit of another coupled subordinate type, wherein the outlet of these two unit is connected to corresponding distribution member by independent distributing pipe, and described distribution member is a barretter in given embodiment.The four tubular type distribution systems that are used for working media lead to the heat exchanger unit of host type, and the heat exchanger unit that its suitable closure and control valve by the two-pipe jockey is connected to this host type is connected to the unit of host type.The air-conditioning unit of subordinate type in addition, parallel is connected to this two-pipe jockey by the two-pipe distribution system that is used for working media.Figure 4 illustrates being connected of air-conditioning unit of the four tubular type distribution systems that are used for working media and host type.Fig. 5 represents in this example side view and another plan view of the partial cross-section of the distribution member that is made of barretter.

The specific embodiment

Cooling and heating equipment (being called air-conditioning unit hereinafter) comprise large-area multi-disc type heat exchanger 1, and it is used for about 400m ³/ hour air-flow and about 0.2m ²The front air stream surface.The height of heat exchanger 1 is about 220 to 250mm, in three rows' embodiment (it can be two row or four rows), it comprises that diameter is three row's copper pipes of 0.8 to 1.2cm, the staggered oval blade of aluminium alloy forms a line together on this copper pipe, and described oval blade closely is assemblied on the surface of copper pipe.One among the described row can be used for independently linking to each other with the heating distribution system, and all the other rows can link to each other with cooling water distribution system.Heat exchanger is arranged in the shell 14 of air-conditioning unit with blower fan 4, and this shell 14 is provided with inlet that enters that is used for circulating air and the exhaust outlet that is used for conditioned air.Blower fan 4 is positioned on the outlet side of heat exchanger 1, and drainer 2 is arranged below the heating surface of heat exchanger 1.The heating surface of heat exchanger 1 is closely sealed by shell 14 at the place, two ends, and this shell 14 is provided with the service cover 7 of close fit.The heating surface of heat exchanger 1 is made of cylindrical annular section, the axis normal of this cylindrical annular section is in the direction of the bottom horizontal flow sheet of the circulating air that enters, and cylindrical not enclosure portion closely is being assemblied on the vertical closure wall of shell 14 on its whole height.Within this cylindrical heating surface, sucktion fan 4 is arranged, the vertical closure wall of shell 14 is passed in its exhaust hermetically in the position of the cylindrical not enclosure portion of the heating surface of heat exchanger 1, and links to each other with air distribution member 10 via diffuser 8, by distribution duct 9.The other drainer that links to each other with condensator outlet can link to each other with the drainer 2 of section shape ringwise, and this drainer 2 is positioned at below the heating surface of respective shapes of heat exchanger 1.

There is dust filter 3 the porch of leading to heat exchanger 1 at the air for the treatment of thermal conditioning, and this intake section of its shape and heat exchanger 1 is corresponding.

In the inner space that is limited by the heat exchanger in the described embodiment 1, radial fan 4 is arranged in spiral case 5, so-called two-way sucktion fan, it can suck air from the both sides of spiral case 5.As selection, can use diagonal formula blower fan (not shown).The runner of blower fan 4 is driven by asynchronous motor 6, and the revolution of this asynchronous motor 6 can be multistage adjusting or regulate continuously.This assembly (heat exchanger 1, blower fan 4) is arranged in the shell 14 of sealing, so that can not flow to outside the surface of heat exchanger by blower fan 4 inhaled airs.The bottom of shell 14 is provided with the service cover 7 of close fit, and it allows to carry out internally the maintenance and the cleaning of blower fan 4 and heat exchanger 1.On the upper plate of shell 14, be useful on the fixture that entire equipment is fastened to the fabric structure (for example, being fastened to the top board in room) of level.As selection, by the bottom fixture shell 14 is fixed to the floor of building, service cover 7 is in the top of shell 14 in this case.

Blower fan 4 enters distribution duct 9 with blows air over diffuser 8, and this distribution duct 9 is taken air to distribution member 10, for example barretter, hole, large-area draft outlet.The purposes of diffuser 8 is to reduce the speed of the air come from blower fan 4 and reduce the pressure loss in the distribution duct 9 that links to each other thus.Between the outlet of distribution duct 9 and diffuser 8, pliable and tough element can be arranged, for example flexible pipe or fabric insert, its constrained vibration transmission to distribution duct 9 from air-conditioning equipment or unit, this distribution duct 9 has the diameter of 250mm.The part of diffuser 8 is transition collars, and it allows easily to be connected to pliable and tough element, or is connected to the distribution duct 9 that diameter matches.Air-conditioning unit has and existing top board (ceiling) or floor system corresponding standard outside the pale of civilization size, for example 60 * 60cm.Purpose is to produce the modular air conditioner unit, and it allows producing by batch of logistics support simplification, and promptly the quantity of the supply among part and the stock reduces, and has the scheduling and the maintenance of simplification.

The part of the electrical connection of unit or even its adjusting, so-called electric shell, also be useful on the space of the air vent of settling heat exchanger 1 can be advantageously according to the part of air-conditioning unit of the present invention.These parts closely are assemblied on the diffuser 8 in the exit of unit.The pipe of heat exchanger 1 links to each other with the entrance and exit of working media, and this working media for example is water, antifreeze mixture or the like.Carry out heat exchanger tube 1 and be provided with shutoff valve 11 individually to prevent supplying and discharge heating and cooling work medium simultaneously at heat exchanger 1 with being connected of the four tubular type distribution systems that are used for working media so that be used for the supply pipe and the discharge pipe of cooling and heating medium (working media).They can be electrically connected mutually with control element independently, or they can mechanically be connected together.In the heating mode of operation, at first two draught excluders on the hot-water return are opened.Draught excluder 11 on these two draught excluders and the chilled(cooling) water return (CWR) connects together and closes simultaneously in the heating mode of operation.The opposite sequence of two shutoff valves 11 is similar in the cooling work pattern.

By directly or two logical control valves 12 carry out the heating of heat exchangers 1 and the practical adjustments of cooling performance, this directly or two logical control valves 12 for example be provided with thermal head or the actuating mechanism that links to each other with room temperature sensor 13 in the zone that air conditioning is arranged by adjuster.Control valve 12 flows according to temperature required adjusting heating in the zone that air conditioning is arranged and cooling medium.

If cooling medium has the 14 ℃/temperature parameter of 18 ℃ (I/O) and heating glassware for drinking water the 35 ℃/temperature parameter of 30 ℃ (I/O) is arranged, be used to have the given inner parameter in the zone of air conditioning to be 22 ℃ and to be 24.5 ℃ then in summer in winter, then under office's condition of standard, for example 10 arrive 15m ²Useable surface area, air-conditioning unit will have cooling or the heating capacity of about 1.2kW.For having the more office of high surface area, must increase more air-conditioning unit.Thereby the viewpoint from regulating, if, then will be very easily by the more unit of single room temperature sensor 13 controls.According to the present invention, single room temperature sensor 13 can be controlled the guiding air-conditioning unit, so-called master unit, this master unit is equipped with above-mentioned that group valve (shutoff valve 11 and direct control valve 12) so that exceed the place of direct control valve 12 along the direction of air-conditioning unit then, branch in supply that comes automatic heat-exchanger 1 and discharge place takes two-pipe to be connected individually, and they advance along the direction of another (subordinate) air-conditioning unit in parallel with the host type unit then.If single distribution member 10 is used to supply fresh air and the circulating air that is used to supply from air-conditioning unit from the central processor equipment that is used for extraneous air, then the supply of extraneous air must provide in such a way so that bring from the flow direction that the output of air-conditioning unit is not reduced and it must be followed annular space gas, thereby the generation jeting effect helps flowing of air.

Will never reduce the tenant or the available floor surface of user in space according to solution of the present invention.It is very flexibly, and from architectural viewpoint, and the suitable selection by distribution member allows to create various inner solutions.Therefore advantage is the demand that reduces to the air-flow of restricted passage fan coil, has avoided on sizable degree because the reducing of heating that the obstruction of filter causes and cooling performance.Further advantage is can make from the fresh air of fan coil and the supply of circulating air and enters unitary element.By the suitable connection of fresh air supply, the air-flow (thereby the heating that acquisition increases and cooling output) that can increase by utilizing swabbing effect to obtain.By placing a plurality of unit immediately following ground each other, can in having the space of big internal depth, obtain to be used for the input of the desired zone of the heating on whole surface and cooling.

Industrial use

The present invention can be used for making the space cooling of building and warming.

Reference numerals list

1 heat exchanger

2 drainers

3 filters

4 blower fans

5 Spiral fan shells

6 fan electromotors

The service cover of 7 device housings

8 diffusers

9 distribution duct

10 distribution members

11 shutoff valves

12 control valves

13 room temperature sensors

14 shells

Claims

1. be used for making the space cooling of building and the equipment that warms, be used for the inlet that enters of circulating air and be used for the shell (14) of the exhaust outlet of conditioned air being provided with of described equipment, heat exchanger (1) unit that band blower fan (4) are arranged, wherein said blower fan (4) is positioned on the outlet side of described heat exchanger (1), and drainer (2) is arranged below the heating surface of described heat exchanger (1), and the heating surface of wherein said heat exchanger (1) closely seals by described shell (14) at the place, two ends, described shell is provided with the service cover (7) of close fit, the heating surface that it is characterized in that described heat exchanger (1) is made of cylindrical annular section, the axis normal of described cylindrical annular section is in the direction of the bottom horizontal flow sheet of the circulating air that enters, and cylindrical not enclosure portion closely is being assemblied on its whole height on the vertical closure wall of described shell (14), and described blower fan (4) is arranged in described cylindrical heating surface wherein, the described vertical closure wall of described shell (14) is passed in the exhaust of described blower fan (4) hermetically in the position of the cylindrical described not enclosure portion of the heating surface of described heat exchanger (1), and via diffuser (8), link to each other with air distribution member (10) by distribution duct (9).

2. equipment as claimed in claim 1 is characterized in that, in the porch of described heat exchanger of leading to of the air for the treatment of thermal conditioning (1) dust filter (3) is arranged, and this intake section of the shape of dust filter (3) and described heat exchanger (1) is corresponding.

3. equipment as claimed in claim 1 or 2, be characterised in that, the pipe of described heat exchanger (1) links to each other with the four tubular type distribution systems that are used for working media at its entrance and exit place, be provided with a plurality of shutoff valves that are connected (11) to prevent so that be used for cooling off with discharge pipe simultaneously to described heat exchanger (1) supply and discharge heating and cooling work medium with all supply pipes of heating working media, for this reason, along the described supply pipe that is used for described heating and cooling work medium on the direction of described heat exchanger (1), arrange control valve (12) individually, its outlet links to each other with the pipe of the porch of leading to described heat exchanger (1), and links to each other with the pipe in the exit of described heat exchanger (1) along the inlet of the described shutoff valve (11) that is provided with in the described discharge pipe on the direction of described heat exchanger (1) simultaneously.

4. equipment as claimed in claim 3 is characterized in that, the described control valve (12) that flows that is used for regulating described heating and cooling work medium is separately connected to the room temperature sensor (13) in the zone of air conditioning by adjuster.

5. equipment as claimed in claim 1 or 2 is characterised in that, described air distribution member (10) is selected from the group that is made of barretter, hole, large-area draft outlet.

6. equipment as claimed in claim 3, it is characterized in that heat exchanger (1) unit with blower fan (4), distribution duct (9) and air distribution member (10) that at least one is other is in parallel with the pipe in the exit of the pipe of the porch of described heat exchanger (1) and described heat exchanger (1).

7. equipment as claimed in claim 4, it is characterized in that, be connected to described distribution duct (9) from the pipeline of the central processor equipment supplied fresh air that is used for extraneous air from described heat exchanger (1) unit, so that it is connected on the flow direction of described circulating air, described heat exchanger (1) unit has the described blower fan (4) that is used at the zone of described air conditioning circulating air.

8. equipment as claimed in claim 3 is characterized in that, shutoff valve (11) and control valve (12) and additional electrical installation elements are arranged in the described shell.