CN203518025U - Fan coil - Google Patents
Fan coil Download PDFInfo
- Publication number
- CN203518025U CN203518025U CN201320657700.9U CN201320657700U CN203518025U CN 203518025 U CN203518025 U CN 203518025U CN 201320657700 U CN201320657700 U CN 201320657700U CN 203518025 U CN203518025 U CN 203518025U
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- Prior art keywords
- valve
- water
- port
- fan coil
- pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 230000017105 transposition Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 4
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 9
- 238000004378 air conditioning Methods 0.000 description 3
- 238000013022 venting Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The utility model provides a fan coil. According to the utility model discloses a fan coil, include: the water inlet pipe is provided with a first reversing valve; a second reversing valve is arranged at the water outlet pipe; the second reversing valve is provided with a discharge port for discharging media in the fan coil. The utility model discloses set up the escape orifice in outlet pipe department, can discharge the log raft of coil pipe memory when refrigeration and heating switch, solved the dish and switched the time the coil pipe at every turn and deposit water unable discharge, and lead to heat transfer loss's problem.
Description
Technical field
The utility model relates to field of air conditioning, especially, relates to a kind of fan coil.
Background technology
Referring to Fig. 1, existing coil pipe of 4-pipe blower: realized sharing of hot and cold coil pipe by three-way diverter valve.A coil pipe 1 is only installed in fan coil, between coil pipe 1 and external air-conditioning water pipe, there are cold and hot commutation three-way diverter valve F1, F2, external air-conditioning water pipe is respectively that chilled water goes out 2, chilled water enters water 3, warm water enters 4, warm water goes out 5, meets the demand of user's heat supply or cooling by the adjusting of motor-driven valve.Also F1 or F2 can be only installed.
This kind of deficiency that coil pipe of 4-pipe blower exists: during when cooling, for hot-swap, the water in previous state coil pipe can not be discharged and directly enter into another system, cause the loss of the cold and hot amount of system when system is frequently switched.For example: certain brand FP-170 fan coil, specified cold is 9.3KW, and two device length are 1250mm cooling pattern while being converted to heat supply mode, and hot water enters coil pipe and the cold water in coil pipe is drained in hot-water heating system, causes the loss of cold and hot amount.Coil pipe volume is larger, and the unit quantity of switching is more, more frequent, and cold thermal loss is larger.Certain brand FP-136 airduct dish, nominal air delivery: 1360, cold: 9300W, coil lengths: 1250mm, the copper pipe of 24 ￠ 9.52 (internal diameter 8.58mm), full water amount is 1.73Kg.Wind dish cooling inflow temperature: 7 ℃, leaving water temperature: 12 ℃ of heat supply water inlets: 60 ℃, etc. chilled water flow, approximately 50 ℃ of leaving water temperatures.Carrying out a heat supply, cooling switches coil pipe hot water and enters chilled water system and cause loss of refrigeration capacity: Q=CM △ T=1.73X4.2X38=349KJ, as can be seen here: coil pipe volume is larger, to switch more frequently, and heat exchange is lost more remarkable.
Utility model content
The utility model object is to provide a kind of fan coil, and the water while at every turn switching to solve dish in coil pipe cannot be discharged, and causes the technical problem of heat exchange loss.
For achieving the above object, the utility model provides a kind of fan coil, comprising: water inlet pipe, and water inlet pipe place is provided with the first reversal valve; Outlet pipe, outlet pipe place is provided with the second reversal valve; The second reversal valve is provided with the scavenge port that medium in fan coil is discharged.
Further, also comprise controller, controller is controlled transposition and the switch of the first reversal valve and the second reversal valve.
Further, the second reversal valve is four-way change-over valve, and four-way change-over valve comprises: four-way change-over valve the first valve port is cold-water return mouth; Four-way change-over valve the second valve port is hot water backwater's mouth; Four-way change-over valve the 3rd valve port, is connected with outlet pipe; Four-way change-over valve the 4th valve port is scavenge port.
Further, the first reversal valve is three-way diverter valve, and three-way diverter valve comprises: three-way diverter valve the first valve port is cold water inlet; Three-way diverter valve the second valve port is water inlet of hot water; Three-way diverter valve the 3rd valve port, is connected with water inlet pipe.
Further, the water outlet of outlet pipe is provided with Temperature Detector.
Further, scavenge port is gas scavenge port.
Further, scavenge port is water scavenge port.
The utlity model has following beneficial effect:
The utility model arranges scavenge port at outlet pipe place, freezes and heat while switching the water of coil pipe internal memory to be discharged, and having solved the water in coil pipe when dish is each to be switched cannot discharge, and causes the problem of heat exchange loss.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the fan coil schematic diagram of prior art;
Fig. 2 is the schematic diagram according to fan coil of the present utility model; And
Fig. 3 is the schematic flow sheet according to fan coil of the present utility model.
Reference numeral in accompanying drawing is as follows: F1, the first reversal valve; A1, three-way diverter valve the first valve port; B1, three-way diverter valve the second valve port; C1, three-way diverter valve the 3rd valve port; F2, the second reversal valve; A2, four-way change-over valve the first valve port; B2, four-way change-over valve the second valve port; C2, four-way change-over valve the 3rd valve port; D, four-way change-over valve the 4th valve port.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Referring to Fig. 2 and Fig. 3, according to fan coil of the present utility model, comprising: water inlet pipe, water inlet pipe place is provided with the first reversal valve F1; Outlet pipe, outlet pipe place is provided with the second reversal valve F2; Four-way change-over valve F2 is provided with the scavenge port that medium in fan coil is discharged.
Fan coil also comprises controller, and controller is controlled transposition and the switch of three-way diverter valve F1 and four-way change-over valve F2.
Referring to Fig. 2 and Fig. 3, the second reversal valve F2 is four-way change-over valve, and four-way change-over valve comprises: four-way change-over valve the first valve port A2 is cold-water return mouth; Four-way change-over valve the second valve port B2 is hot water backwater's mouth; Four-way change-over valve the 3rd valve port C2 is connected with outlet pipe; Four-way change-over valve the 4th valve port D is scavenge port.
Referring to Fig. 2 and Fig. 3, the first reversal valve F1 is three-way diverter valve, three-way diverter valve comprise: three-way diverter valve the first valve port A1 is cold water inlet; Three-way diverter valve the second valve port B1 is water inlet of hot water; Three-way diverter valve the 3rd valve port C1 is connected with water inlet pipe.
Referring to Fig. 2 and Fig. 3, scavenge port can be gas scavenge port, can be also water scavenge port.Both can be used for discharging water, can be used as venting.
Referring to Fig. 3, the utility model also provides a kind of fan coil pattern switching control method:
Make fan coil carry out the conversion of refrigeration and heating mode;
Scavenge port on the reversal valve at the outlet pipe place by fan coil is discharged the water in fan coil;
Close scavenge port, open the water return outlet of reversal valve.
The water outlet of outlet pipe is provided with Temperature Detector.By Temperature Detector, detect the temperature of the water of scavenge port, when water temperature reaches design temperature, open four-way change-over valve F2 water return outlet.Preferably, when water temperature reaches design temperature, postpone 3 seconds, open four-way change-over valve F2 water return outlet.
Coil pipe of 4-pipe blower of the present utility model shares cold and hot coil pipe, uses a three-way diverter valve on water inlet pipe, and outlet pipe place is used a four-way change-over valve.One path of four-way change-over valve is used for discharging water, and this road can be used as venting simultaneously, saves the vent valve of conventional wind dish.The on off state on this road is according to the outlet pipe pipe temperature state action detecting.
When user needs cooling, three-way diverter valve F1 action: A1 and C1 connect, four-way change-over valve F2 action: C2 and A2 connect; When user needs heat supply, while turning to heat supply by cooling, three-way diverter valve F1 action: A1 and C1 close, B1 and C1 connect; Four-way change-over valve F2 action: C2 and A2 close, C2 connects cold water is discharged with D, and detects in real time water pipe temperature, when outlet pipe temperature to be detected be design temperature T1 ± 2 ℃, then postpones 3 seconds, C2 and B2 connection.
While turning to cooling by heat supply, three-way diverter valve F1 action: B1 and C1 close, A1 and C1 connect, four-way change-over valve F2 action: C2 and B2 close, C2 and D connect hot water are discharged, and detect in real time water pipe temperature, when outlet pipe temperature to be detected be design temperature T2 ± 1 ℃, postpone 3 seconds, C2 and A2 connect again.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
The utility model is used a three-way diverter valve on water inlet pipe, and outlet pipe place is used a four-way change-over valve.One path of four-way change-over valve is used for discharging water, and this road also can be used as venting simultaneously.The on off state on this road, according to the outlet pipe pipe temperature state action detecting, when changing between heat supply and cooling, detects water pipe Guan Wen, and when Guan Wen reaches the deviation range of design temperature, four-way change-over valve postpones commutation in 3 seconds.Reaching refrigeration and heating coil pipe and share, reducing material cost, compared with the volume of small coils and reduce windage; Due to when freezing and heating, in coil pipe, water temperature differs larger, so freeze and heat while switching and the water of coil pipe internal memory can be discharged, can avoid switching the water of front duty lower coil pipe internal memory and switch the water entering in coil pipe under rear duty and carry out heat exchange, reduce the loss of cold and hot amount.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a fan coil, is characterized in that, comprising:
Water inlet pipe, described water inlet pipe place is provided with the first reversal valve (F1);
Outlet pipe, described outlet pipe place is provided with the second reversal valve (F2);
Described the second reversal valve (F2) is provided with the scavenge port that medium in described fan coil is discharged.
2. fan coil according to claim 1, is characterized in that, also comprises controller, and described controller is controlled transposition and the switch of described the first reversal valve (F1) and described the second reversal valve (F2).
3. fan coil according to claim 1, is characterized in that, described the second reversal valve (F2) is four-way change-over valve, and described four-way change-over valve comprises:
Four-way change-over valve the first valve port (A2) is cold-water return mouth;
Four-way change-over valve the second valve port (B2) is hot water backwater's mouth;
Four-way change-over valve the 3rd valve port (C2) is connected with described outlet pipe;
Four-way change-over valve the 4th valve port (D) is scavenge port.
4. fan coil according to claim 1, is characterized in that, described the first reversal valve (F1) is three-way diverter valve, and described three-way diverter valve comprises:
Three-way diverter valve the first valve port (A1) is cold water inlet;
Three-way diverter valve the second valve port (B1) is water inlet of hot water;
Three-way diverter valve the 3rd valve port (C1) is connected with described water inlet pipe.
5. fan coil according to claim 1, is characterized in that, the water outlet of described outlet pipe is provided with Temperature Detector.
6. fan coil according to claim 1, is characterized in that, described scavenge port is gas scavenge port.
7. fan coil according to claim 1, is characterized in that, described scavenge port is water scavenge port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320657700.9U CN203518025U (en) | 2013-10-23 | 2013-10-23 | Fan coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320657700.9U CN203518025U (en) | 2013-10-23 | 2013-10-23 | Fan coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203518025U true CN203518025U (en) | 2014-04-02 |
Family
ID=50376953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320657700.9U Expired - Fee Related CN203518025U (en) | 2013-10-23 | 2013-10-23 | Fan coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203518025U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566630A (en) * | 2013-10-23 | 2015-04-29 | 珠海格力电器股份有限公司 | Fan coil and mode conversion control method thereof |
| CN106016469A (en) * | 2016-07-05 | 2016-10-12 | 安徽天大电子科技股份有限公司 | Draught fan coil |
-
2013
- 2013-10-23 CN CN201320657700.9U patent/CN203518025U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566630A (en) * | 2013-10-23 | 2015-04-29 | 珠海格力电器股份有限公司 | Fan coil and mode conversion control method thereof |
| CN106016469A (en) * | 2016-07-05 | 2016-10-12 | 安徽天大电子科技股份有限公司 | Draught fan coil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20140402 |