CN210035831U - Venturi tube negative pressure drainage system for central air conditioner - Google Patents
Venturi tube negative pressure drainage system for central air conditioner Download PDFInfo
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- CN210035831U CN210035831U CN201920537892.7U CN201920537892U CN210035831U CN 210035831 U CN210035831 U CN 210035831U CN 201920537892 U CN201920537892 U CN 201920537892U CN 210035831 U CN210035831 U CN 210035831U
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- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The utility model discloses a central air conditioning is with venturi negative pressure drainage system, including venturi, catch water and total drain pipe, venturi's high-pressure fluid entry communicates in with air conditioner fan export tuber pipe, and venturi's sunction inlet and air conditioner water drainage tank bottom intercommunication, total drain pipe intercommunication to air conditioner water drainage tank, and catch water is the high-order installation, and venturi's export is through pipeline and catch water one side entry intercommunication, and catch water bottom liquid outlet communicates to total drain pipe through the pipeline bypass. The utility model discloses a venturi utilizes the air pressure of air conditioner fan export, attracts the air conditioner to condense water to high-order water separator, and the water that separates out in high-order water separator utilizes the negative pressure that the air treatment section was overcome to the difference in height to discharge smoothly.
Description
Technical Field
The utility model relates to an air conditioner drainage system field specifically is a venturi negative pressure drainage system for central air conditioning.
Background
In the air treatment section of the central air conditioner, under the action of induced air of the fan, the interior of the air treatment section is in a negative pressure state, namely the pressure is lower than the atmospheric pressure. Under the condition, condensed water generated by the air conditioner can not be smoothly discharged, and various damages such as corrosion of the air handling unit, short circuit of a circuit, overlarge air humidity, water leakage to an air conditioner room and the like can be caused due to accumulation in the air handling section. The conventional method for dealing with the problem is to arrange a U-shaped pipe at a water condensation port of the air conditioner and offset the negative pressure of an air treatment section by utilizing the height difference of the U-shaped pipe to realize water drainage. However, this method requires a high foundation and base of the air handling unit, and the pipeline is easy to trip to maintenance operators, which has many disadvantages.
The utility model aims at providing a venturi negative pressure drainage system for central air conditioning to solve installation and awkward problem that prior art central air conditioning adopted the U-shaped pipe drainage to exist.
In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:
the utility model provides a venturi negative pressure drainage system for central air conditioning, adopts venturi as negative pressure drainage system, its characterized in that: including venturi, catch water and main drain pipe, venturi's high-pressure fluid entry communicates in through the export tuber pipe of connecting pipe with air conditioner fan, and venturi's sunction inlet passes through pipeline and air conditioner water drainage tank bottom intercommunication, and main drain pipe one end communicates to air conditioner water drainage tank bottom, catch water is the high-order installation for venturi, air conditioner water drainage tank and main drain pipe, and catch water one side is equipped with the entry, and catch water bottom is equipped with the liquid outlet, and the catch water top is equipped with gas outlet, and venturi's export communicates through pipeline and catch water's entry, and catch water's liquid outlet communicates to main drain pipe through the pipeline bypass.
A venturi negative pressure drainage system for central air conditioning, its characterized in that: the lowest point of the bottom of the steam-water separation device is higher than the highest point among the Venturi tube, the air conditioner drainage groove and the main drainage pipe.
A venturi negative pressure drainage system for central air conditioning, its characterized in that: the bottom of the air conditioner drainage groove is provided with a drainage port which is communicated with an inlet of a one-way valve through a pipeline, and an outlet of the one-way valve is communicated with one end of a main drainage pipe through a pipeline.
A venturi negative pressure drainage system for central air conditioning, its characterized in that: the end part of a connecting pipe connected with a high-pressure fluid inlet of the Venturi tube is provided with a pipe joint, and the pipe joint is arranged in an air pipe at the outlet of the air conditioner fan and is just opposite to the air flow direction of an air duct so as to fully benefit static pressure and dynamic pressure of the fan.
A venturi negative pressure drainage system for central air conditioning, its characterized in that: the outlet of the Venturi tube is communicated to a main water drainage pipe through a U-shaped tube bypass.
The utility model discloses in, at air conditioner fan during operation, the dynamic pressure that usable fan produced and static pressure drive venturi carry the air conditioner condensate to the vapour water separator of high-order. The water column static pressure generated by the height of the steam-water separation device can meet the requirement of overcoming the negative pressure of the air conditioning treatment section, the condensed water after air separation in the steam-water separation device overcomes the negative pressure of the air conditioning treatment section by utilizing the height difference and is discharged to the main drain pipe through the U-shaped pipe through the outlet, and the separated air enters the air treatment section and continues flowing along with the air. In addition, after the air treatment section fan stops working, the condensed water remained in the air treatment section can be continuously discharged through the one-way valve connected with the bottom water outlet at the lower part of the air conditioner drainage groove.
Compared with the prior art, the utility model discloses the advantage does:
1. the air conditioner condensed water removing function can be automatically realized by using the pressure of the outlet of the air conditioner fan through the Venturi tube without manual operation and electrical control or complex mechanical moving parts.
2. The water can be smoothly drained under the conditions of high negative pressure, low negative pressure and air conditioner shutdown.
3. The use and maintenance are simple, no moving part is needed, the maintenance of the Venturi tube is simple, and the maintenance cost is very low.
4. The negative pressure stop function is realized, and through the one-way valve and the U-shaped pipe, the peculiar smell gas in the drainage pipeline is completely prevented from entering an air-conditioning room through the air treatment section due to the negative pressure of the air treatment section.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1, a venturi tube negative pressure drainage system for a central air conditioner comprises a venturi tube 1, a steam-water separation device 7 and a main drainage pipe 4, wherein a high-pressure fluid inlet 1a of the venturi tube 1 is communicated with an outlet air pipe 3 of an air conditioner fan through a connecting pipe 2, a suction inlet 1b of the venturi tube 1 is communicated with the bottom of an air conditioner drainage tank 6 through a pipeline, one end of the main drainage pipe 4 is communicated with the bottom of the air conditioner drainage tank 6, the steam-water separation device 7 is opposite to the venturi tube 1, air conditioner water drainage tank 6 and total drain pipe 4 are high-order installation, and catch water 7 one side is equipped with entry 7a, and catch water 7 bottom is equipped with liquid outlet 7c, and catch water 7 top is equipped with gas outlet 7b, and venturi 1's export communicates through pipeline and catch water 7's entry 7a, and catch water 7's liquid outlet 7c communicates to total drain pipe 4 through the pipeline bypass.
The lowest point of the bottom of the steam-water separation device 7 is higher than the highest point among the Venturi tube 1, the air conditioner drainage groove 6 and the main drainage pipe 4.
The bottom of the air conditioner drainage tank 6 is provided with a drainage port 6a, the drainage port 6a is communicated with an inlet of a one-way valve 5 through a pipeline, and an outlet of the one-way valve 5 is communicated with one end of the main drainage pipe 4 through a pipeline.
The end part of a connecting pipe 2 connected with a high-pressure fluid inlet 1a of the Venturi tube 1 is provided with a pipe joint 2a, and the pipe joint 2a is just opposite to the air flow direction of the air duct in an outlet air pipe 3 of the air conditioner fan.
The outlet of the venturi tube 1 is communicated to the main water discharge pipe 4 by a bypass through a U-shaped pipe 8.
A small amount of high-pressure air from the rear part of an outlet air pipe 3 of an air conditioner fan enters a high-pressure fluid inlet 1a of a Venturi tube 1 through a connecting pipe 2, condensed water in an air conditioner drainage groove 6 continuously enters the Venturi tube 1 under the drainage effect generated by the Venturi tube 1, flows out of an outlet 1c of the Venturi tube 1 together with airflow and enters a high-level steam-water separation device 7, wherein the air is discharged from an upper outlet 7b and returns to an air treatment section, and the condensed water flows into a U-shaped tube from the outlet 7 c; depending on the height difference of the high-level steam-water separation device 7, the condensed water generates enough static pressure, overcomes the negative pressure of the air treatment section in the U-shaped pipe and is discharged to a main drain pipe.
In addition, when the air conditioner fan of the air treatment section stops, the Venturi tube 1 loses power, and condensed water flows to the one-way valve 5 through the lower water outlet 6a of the air conditioner water drainage groove 6 and can still be drained to the main drainage pipe.
The utility model discloses a as above mode realizes smooth drainage under air treatment section negative pressure and the zero static pressure condition.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (5)
1. The utility model provides a venturi negative pressure drainage system for central air conditioning which characterized in that: including venturi, catch water and main drain pipe, venturi's high-pressure fluid entry communicates in through the export tuber pipe of connecting pipe with air conditioner fan, and venturi's sunction inlet passes through pipeline and air conditioner water drainage tank bottom intercommunication, and main drain pipe one end communicates to air conditioner water drainage tank bottom, catch water is the high-order installation for venturi, air conditioner water drainage tank and main drain pipe, and catch water one side is equipped with the entry, and catch water bottom is equipped with the liquid outlet, and the catch water top is equipped with gas outlet, and venturi's export communicates through pipeline and catch water's entry, and catch water's liquid outlet communicates to main drain pipe through the pipeline bypass.
2. The venturi tube negative pressure drainage system for the central air conditioner as claimed in claim 1, wherein: the lowest point of the bottom of the steam-water separation device is higher than the highest point among the Venturi tube, the air conditioner drainage groove and the main drainage pipe.
3. The venturi tube negative pressure drainage system for the central air conditioner as claimed in claim 1, wherein: the bottom of the air conditioner drainage groove is provided with a drainage port which is communicated with an inlet of a one-way valve through a pipeline, and an outlet of the one-way valve is communicated with one end of a main drainage pipe through a pipeline.
4. The venturi tube negative pressure drainage system for the central air conditioner as claimed in claim 1, wherein: the end part of a connecting pipe connected with a high-pressure fluid inlet of the Venturi tube is provided with a pipe joint, and the pipe joint is arranged in an air pipe at the outlet of the air conditioner fan and is opposite to the air flow direction of the air duct.
5. The venturi tube negative pressure drainage system for the central air conditioner as claimed in claim 1, wherein: the outlet of the Venturi tube is communicated to a main water drainage pipe through a U-shaped tube bypass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920537892.7U CN210035831U (en) | 2019-04-19 | 2019-04-19 | Venturi tube negative pressure drainage system for central air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920537892.7U CN210035831U (en) | 2019-04-19 | 2019-04-19 | Venturi tube negative pressure drainage system for central air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN210035831U true CN210035831U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920537892.7U Active CN210035831U (en) | 2019-04-19 | 2019-04-19 | Venturi tube negative pressure drainage system for central air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990448A (en) * | 2019-04-19 | 2019-07-09 | 合肥天鹅制冷科技有限公司 | A kind of central air-conditioning Venturi tube drainage by suction system |
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2019
- 2019-04-19 CN CN201920537892.7U patent/CN210035831U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990448A (en) * | 2019-04-19 | 2019-07-09 | 合肥天鹅制冷科技有限公司 | A kind of central air-conditioning Venturi tube drainage by suction system |
| CN109990448B (en) * | 2019-04-19 | 2024-01-12 | 合肥天鹅制冷科技有限公司 | Venturi tube negative-pressure drainage system for central air conditioner |
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