CN201885333U - Fresh air pretreatment unit with anti-freezing function and two-pipe refrigeration water heating coil pipe structure - Google Patents
Fresh air pretreatment unit with anti-freezing function and two-pipe refrigeration water heating coil pipe structure Download PDFInfo
- Publication number
- CN201885333U CN201885333U CN2010206194084U CN201020619408U CN201885333U CN 201885333 U CN201885333 U CN 201885333U CN 2010206194084 U CN2010206194084 U CN 2010206194084U CN 201020619408 U CN201020619408 U CN 201020619408U CN 201885333 U CN201885333 U CN 201885333U
- Authority
- CN
- China
- Prior art keywords
- pipe
- water
- coil pipe
- coil
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses a fresh air pretreatment unit with an anti-freezing function and a two-pipe refrigeration water heating coil pipe structure. The fresh air pretreatment unit is sequentially provided with a fresh air primary filtering section (1), an air feeder (2), a medium efficiency section (3), a sub-high efficiency section (4), a primary coil pipe (51), a secondary coil pipe (52) and an air outlet section (6), wherein the primary coil pipe (51) is used for surface cooling and heating, and the secondary coil pipe (52) is used for surface cooling. An anti-freezing device (7) is further arranged in the fresh air pretreatment unit and includes a primary coil pipe connecting water pipe (71), a secondary coil pipe connecting water pipe (73) and a control water valve (72), wherein one end of the primary coil pipe connecting water pipe (71) and one end of the secondary coil pipe connecting water pipe (73) are connected with an external main water inlet pipe (P1) by the aid of a diversion tee joint, the other ends of the primary coil pipe connecting water pipe (71) and the secondary coil pipe connecting water pipe (73) are connected with an external main water outlet pipe (P2) by the aid of a confluence tee joint, and the control water valve (72) is arranged on the secondary coil pipe connecting water pipe (73). The fresh air pretreatment unit is simple and convenient in pipe connection, and is capable of preventing the coil pipes from frost cracking and fresh air from being overheated under the working condition of heating.
Description
Technical field
The utility model relates to air-conditioning technical field, the particularly a kind of new wind preliminary treatment of two control hot and cold water coil arrangements unit with antifreeze function.
Background technology
Along with the fast development of industry, the air-conditioning system of industries such as medicine, electrical type all requires constant temperature and humidity, and " energy-saving and emission-reduction " also are global advocating.Therefore, various energy-saving schemes constantly appear in air conditioner industry, it is exactly a kind of of energy-saving scheme that wherein new wind is concentrated pretreating scheme, its basic principle is: the air dewetting after filter new wind summer earlier is to below the indoor dew point, to bear all humidity loads in the air-conditioning system, send into the working region again after sending into the Cycle Unit temperature adjustment, realize control requirement thus the air constant temperature and humidity; Some new blower fan group is also being born the function of heating in the winter time, carry out The pre-heat treatment after promptly concentrating new wind to filter after, send into the working region again after sending into the Cycle Unit post bake.The new wind preliminary treatment of two control hot and cold water coil arrangements unit is for not only to bear the dehumidifying in summer but also bear the shared new blower fan group of cold and hot coil pipe that partly heats winter.
The new blower fan group structure of tradition two control cold-heated plate tubular constructions as shown in Figure 1.Be provided with new wind, initial effect filtering section 1, pressure fan 2, middle effect section 3, inferior efficient section 4, table cold (heating) coil pipe 5, wind outlet section 6 in this unit successively.The advantage of this structure is: for relatively more conventional system, also be the preferred option of numerous producers on Scheme Choice, it shows the cold same heat exchange coil that is heated to be, and is simple in structure, and outside connection is also easy.The shortcoming of this structure is: because new blower fan group is born all humidity loads, required dehumidifying cold is very big, thereby row's number of selected heat exchange coil will be a lot, can accomplish 8 rows or 6 rows usually; This coil pipe is two control structures, and except bearing summer the refrigeration, must heat winter; But because new wind EA concentrates preliminary treatment, new wind does not need enough heating, and mainly bears post bake by Cycle Unit; Like this, the actual required heat(ing) coil row number of new blower fan group just seldom actually only needs 1～2 row just enough; Even need be heated to indoor operating mode, hot-water coil pipe 2 rows' coil pipe is also enough; Yet the temperature difference that hot water supplies water big (being generally 60/50 ℃), hot water flow are little, with the coil pipe of former 8 rows or 6 row's cooling condition loop structures, can make that flow velocity is low excessively in the coil pipe as again, are easy to the hot and cold water coil pipe bursting by freezing that cause 8 rows 6 to arrange.
Than the new blower fan group structure of the improved slightly two control coil arrangements of traditional scheme as shown in Figure 2, be provided with successively in this unit new wind, initial effect filtering section 1, pressure fan 2, middle effect section 3, inferior efficient section 4, table cold (heating) coil pipe 51, show cooling coil 52, wind outlet section 6.The advantage of this structure is: more advanced than traditional scheme, a former cold and hot shared coil pipe is divided into the two-stage coil pipe, previous stage table cold (heating) coil pipe 51 is the determined coil pipe of condition for satisfying the heating in winter and being unlikely to freezing coil pipe, and back one-level table cooling coil 52 is for showing the selected single cooling coil of cold joint power summer; Can avoid like this preventing that also one group of big coils from causing new wind over-heating in winter because coil pipe row number is too much, flow velocity is crossed low and freezing coil pipe.The shortcoming of this structure is: owing to be two control cold and hot water supply systems, the water system of air-conditioning unit is the cold and hot shared water pipe of confessing of a cover, and the coil pipe pipeline that the air conditioner winding goes out is two covers, and wherein a cover is shared cold and hot coil pipe in summer in winter, another set ofly is private single cooling coil in summer only; Tell the two-way water pipe with regard to the pipeline at special requirement scene in air-conditioning unit outside like this, and must connect fully on request right.Yet, site operation personnel's technology all is uneven, in fact Jue Daduoshuo project site operation side does not take over according to the requirement of air-conditioning producer yet, but directly two circuits are arbitrarily combined, this just has no difference with the cold and hot coil pipe of traditional two control, thereby the freezing phenomenon of coil pipe still ceaselessly occurs after newly the blower fan group has adopted advanced scheme.
The utility model content
Technical problem to be solved in the utility model provides a kind of new wind preliminary treatment of two control hot and cold water coil arrangements unit with antifreeze function, can effectively prevent the problem of coil pipe bursting by freezing when heat winter.
For solving the problems of the technologies described above, the technical scheme that the utility model provides is: a kind of new wind preliminary treatment of two control hot and cold water coil arrangements unit with antifreeze function, be disposed with new wind, initial effect filtering section (1), pressure fan (2), the middle one-level coil pipe (51) of imitating section (3), inferior efficient section (4), being used to show cold and heating, be used to show cold secondary coil (52) and wind outlet section (6), also built-in defroster (7), described defroster (7) comprise that the one-level coil pipe connects water pipe (71), secondary coil connects water pipe (73) and control water valve (72); Described one-level coil pipe connection water pipe (71) is connected water pipe (73) with secondary coil a end is connected with outside water inlet manifold (P1) by diversion three-way, and the other end is connected by interflow threeway and outside total outlet pipe (P2); Described control water valve (72) is arranged on described secondary coil and connects on the water pipe (73).
Alternatively, described control water valve (72) is the type hand water valve.
Alternatively, described control water valve (72) is the automatic type water valve.
More preferably, described automatic type water valve is an electromagnetic switch valve.
More preferably, be provided with control module, be electrically connected described switch electromagnetic valve, and export the On/Off control signal to described electromagnetic switch valve according to the expectant control strategy.
Compared with prior art, the utlity model has the new blower fan group of two control hot and cold water structures of antifreeze function, being divided into the two-stage coil pipe in unit is one-level table cold (heating) coil pipe, secondary table cooling coil, and unit still is outward one group of water inlet pipe and water outlet pipe, thereby the advantages that will have two cover coil pipes antifreeze schemes now play a role fully: in the winter time during heating cycle, coil pipe row number reduces, and flow velocity increases, and can prevent the coil pipe bursting by freezing; Simultaneously, because of coil pipe row number reduces, heating efficiency is suitable, new wind superheated can not occur.In addition, because exterior line one group of water inlet pipe and water outlet pipe only, take over comparatively easyly, help to raise the efficiency, reduce cost.
Description of drawings
Fig. 1 is the new blower fan group structural representation of traditional two control coil arrangements;
Fig. 2 is the new blower fan group structural representation of existing modified two control coil arrangements;
Fig. 3 is the structural representation that the utlity model has the new wind preliminary treatment of the two control hot and cold water coil arrangements unit of antifreeze function.
The specific embodiment
Core of the present utility model is built-in defroster, crosses the low problem that causes the bursting by freezing of hot and cold water coil pipe because of flow velocity in the coil pipe in the time of can preventing effectively that winter from heating.
In order to make those skilled in the art understand the technical solution of the utility model better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 3, the structure of the two control hot and cold water coil arrangements new wind preliminary treatment units (hereinafter to be referred as antifreeze unit) that the utlity model has antifreeze function is shown.This antifreeze unit is provided with new wind, initial effect filtering section 1, pressure fan 2, middle effect section 3 successively, inferior efficiently section 4, one-level coil pipe are promptly shown cold (heating) coil pipe 51, secondary coil is promptly shown cooling coil 52, wind outlet section 6 and defroster 7, thereby has antifreeze, air-out function.Described defroster 7 comprises that the one-level coil pipe connects water pipe 71, secondary coil connects water pipe 73 and control water valve 72; Wherein: one-level coil pipe connection water pipe 71 is connected water pipe 73 with secondary coil a end is connected with outside water inlet manifold P1 by diversion three-way, and the other end is connected by interflow threeway and outside total outlet pipe P2; Control water valve 72 is arranged on secondary coil and connects on the water pipe 73, opens or closes as required secondary coil is connected water pipe 73.
The operation principle of this built-in defroster 7 is: new blower fan group water inlet manifold P1 at first is divided into two-way by diversion three-way with medium, one tunnel water inlet pipe that enters one-level table cold (heating) coil pipe is the water inlet end that the one-level coil pipe connects water pipe 71, and the water inlet pipe that another road enters the secondary table cooling coil is the water inlet end that secondary coil connects water pipe 73; The connection water pipe of secondary table cooling coil is to install one on the secondary coil connection water pipe 73 from power type or hydrodynamic(al) type control water valve 72, can control the open and close that secondary coil connects water pipe 73; One-level table cold (heating) coil pipe medium after heat exchange flows out by the water side that the one-level coil pipe connects water pipe 71, secondary table cooling coil medium after heat exchange flows out by the water side pipe that secondary coil connects water pipe 73, through the interflow threeway water outlet of I and II coil pipe is incorporated into total outlet pipe P2 of new blower fan group again.
The utility model is divided into one-level table cold (heating) coil pipe 51 and secondary table cooling coil 52 two-stage coil pipes with the hot and cold water coil pipe of one two control in unit, in the winter time during operating mode, the hot and cold water coil pipe of two control can not cause coil pipe freezing because of hot water flow is too small, can number is too much, ability is excessive does not rise so high new wind-warm syndrome degree because of coil pipe is arranged yet.Especially, because machine still is one group of water inlet pipe and water outlet pipe, not only can continue the advantage of original unit scheme outward, also can overcome the ill-matched phenomenon in site operation side, on-the-spot workmen only need take over by traditional pipe-connecting mode, and outer water tube connects easy, cost is low, and workload is little.
More than a kind of antifreeze unit provided by the utility model is described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (5)
1. the new wind preliminary treatment of two control hot and cold water coil arrangements unit with antifreeze function, be disposed with new wind, initial effect filtering section (1), pressure fan (2), the middle one-level coil pipe (51) of imitating section (3), inferior efficient section (4), being used to show cold and heating, be used to show cold secondary coil (52) and wind outlet section (6), it is characterized in that, also built-in defroster (7), described defroster (7) comprise that the one-level coil pipe connects water pipe (71), secondary coil connects water pipe (73) and control water valve (72); Described one-level coil pipe connection water pipe (71) is connected water pipe (73) with secondary coil a end is connected with outside water inlet manifold (P1) by diversion three-way, and the other end is connected by interflow threeway and outside total outlet pipe (P2); Described control water valve (72) is arranged on described secondary coil and connects on the water pipe (73).
2. the new wind preliminary treatment of the two control hot and cold water coil arrangements unit with antifreeze function as claimed in claim 1 is characterized in that described control water valve (72) is the type hand water valve.
3. the new wind preliminary treatment of the two control hot and cold water coil arrangements unit with antifreeze function as claimed in claim 1 is characterized in that described control water valve (72) is the automatic type water valve.
4. the new wind preliminary treatment of the two control hot and cold water coil arrangements unit with antifreeze function as claimed in claim 3 is characterized in that described automatic type water valve is an electromagnetic switch valve.
5. the new wind preliminary treatment of the two control hot and cold water coil arrangements unit with antifreeze function as claimed in claim 4, it is characterized in that, be provided with control module, be electrically connected described switch electromagnetic valve, and export the On/Off control signal to described electromagnetic switch valve according to the expectant control strategy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206194084U CN201885333U (en) | 2010-11-19 | 2010-11-19 | Fresh air pretreatment unit with anti-freezing function and two-pipe refrigeration water heating coil pipe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206194084U CN201885333U (en) | 2010-11-19 | 2010-11-19 | Fresh air pretreatment unit with anti-freezing function and two-pipe refrigeration water heating coil pipe structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201885333U true CN201885333U (en) | 2011-06-29 |
Family
ID=44182878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206194084U Expired - Fee Related CN201885333U (en) | 2010-11-19 | 2010-11-19 | Fresh air pretreatment unit with anti-freezing function and two-pipe refrigeration water heating coil pipe structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201885333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440274A (en) * | 2016-10-08 | 2017-02-22 | 珠海格力电器股份有限公司 | Anti-freezing protection system for air conditioner as well as air conditioner |
-
2010
- 2010-11-19 CN CN2010206194084U patent/CN201885333U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440274A (en) * | 2016-10-08 | 2017-02-22 | 珠海格力电器股份有限公司 | Anti-freezing protection system for air conditioner as well as air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208983657U (en) | Heat pump system | |
| CN205536250U (en) | Outdoor heat exchanger and air conditioner | |
| CN201206869Y (en) | Solar heat pump hot water split machine | |
| CN203928132U (en) | A kind of ground heating system that can subregion independence temperature control | |
| CN201401884Y (en) | Self-adapted antifreeze fresh air unit | |
| CN203203175U (en) | Air conditioning system | |
| CN108444125A (en) | The first overlapping circular formula heating hot-water air-conditioning three-way set | |
| CN107588577A (en) | A kind of air source heat pump with new Defrost technology | |
| CN203949271U (en) | A kind of domestic heating and Living Water one water system | |
| CN201885333U (en) | Fresh air pretreatment unit with anti-freezing function and two-pipe refrigeration water heating coil pipe structure | |
| CN207487058U (en) | The defroster of air conditioner fresh air unit | |
| CN110081494A (en) | A kind of heat pump heating device and heating system | |
| CN204923442U (en) | Warm up and hot water antithetical couplet confession all -in -one heat pump | |
| CN205245306U (en) | Supplementary air source heat pump's of phase change energy storage equipment heating system | |
| CN201463408U (en) | Hot water air conditioner | |
| CN208296143U (en) | A kind of supply air system for Large Central Air Conditioning System | |
| CN203880864U (en) | Heat exchange system for air conditioner and water heater | |
| CN203274037U (en) | Convection and radiation compound type solar hot air heating system | |
| CN209801592U (en) | thermal power plant cold and heat combined supply system based on urban public building residential partition | |
| CN206709214U (en) | A kind of solar heating system | |
| CN201497217U (en) | Internal circulation type solar water heater | |
| CN201425390Y (en) | Double energy source ground heating air conditioner and hot water supply system | |
| CN202254152U (en) | Energy-saving device and energy-saving system of solar supplement heat storage air-cooling heat pump device | |
| CN203518071U (en) | Antifreeze type fresh air pre-heating and control device | |
| CN214841286U (en) | Central air-conditioning system integrating chilled water/heat storage and independent dehumidification fresh air |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG YASHI CO., LTD. Free format text: FORMER OWNER: AIR MASTER AIR CONDITIONER (GUANGZHOU) CO., LTD. Effective date: 20120406 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 510000 GUANGZHOU, GUANGDONG PROVINCE TO: 261061 WEIFANG, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120406 Address after: 261061, Taoyuan Street, hi tech Zone, Shandong, Weifang, Shandong 7898, Weifang Patentee after: Shandong Yashi Co., Ltd. Address before: 510000 Guangdong city of Guangzhou province Panyu District Zhenlong Jin Road No. 1 Patentee before: Yashi Air Conditioner (Guangzhou) Co Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20171119 |