CN212644788U - Emptying device of central air conditioning system and central air conditioning system - Google Patents
Emptying device of central air conditioning system and central air conditioning system Download PDFInfo
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- CN212644788U CN212644788U CN202021586794.1U CN202021586794U CN212644788U CN 212644788 U CN212644788 U CN 212644788U CN 202021586794 U CN202021586794 U CN 202021586794U CN 212644788 U CN212644788 U CN 212644788U
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Abstract
The utility model discloses a central air conditioning system's emptying devices and central air conditioning system, which comprises a compressor, the up end left side of compressor is connected with the one end of high temperature high pressure gas pipe, the other end of high temperature high pressure gas pipe is connected with the condenser, the up end left side of condenser is connected with the one end of low temperature high pressure liquid pipe, the other end of low temperature high pressure liquid pipe is connected with the expansion valve, the expansion valve is connected with the one end of low temperature low pressure liquid pipe, the other end of low temperature low pressure liquid pipe is connected with the evaporimeter, the lower terminal surface right side of evaporimeter is connected with the one end of low temperature low pressure gas pipe, the other end of low temperature low pressure gas pipe is connected in the. The utility model cools through sensible heat exchange and latent heat exchange, and the cooling effect is obvious; the gas quantity in the equipment can be detected in real time and discharged in time, and the speed and the efficiency are high; the equipment can be heated according to the external environment temperature, so that the freezing is avoided, and the device is simple and practical.
Description
Technical Field
The utility model relates to a central air conditioning technical field, specific field is central air conditioning system's emptying devices and central air conditioning system.
Background
The central air conditioning system is different from the traditional refrigerant type air conditioning, the system processes air in a centralized way to meet the requirement of comfort, the principle of liquid gasification refrigeration is adopted to provide required cold energy for the air conditioning system to offset the heat load of the indoor environment, and the heating system provides required heat for the air conditioning system to offset the cold and heat load of the indoor environment. Because the chilled water system of the central air conditioner has air, the air in the chilled water system is not good for the system, the system is easy to cause cavitation when running for a long time, the cooling function of circulating water of the air conditioner is reduced, pipelines are seriously damaged to cause pipeline corrosion, and the freezing phenomenon is easy to generate due to the fact that the weather is too cold in winter in the north.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an emptying devices and central air conditioning system of central air conditioning system to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an emptying device of a central air-conditioning system and the central air-conditioning system comprise a compressor, wherein the right side of the upper end face of the compressor is connected with one end of a high-temperature high-pressure gas pipe, the other end of the high-temperature high-pressure gas pipe is connected with a condenser, the left side of the upper end face of the condenser is connected with one end of a low-temperature high-pressure liquid pipe, the low-temperature high-pressure liquid pipe is sequentially connected with a throttle valve and a liquid storage tank, the other end of the low-temperature high-pressure liquid pipe is connected with an expansion valve, the left side of the expansion valve is connected with one end of a low-temperature low-pressure liquid pipe, the other end of the low-temperature low-pressure gas pipe is connected with one end of a low-temperature low-pressure gas pipe, the other end of the low, the lower end face right side of the condenser is connected with one end of a cooling tower water inlet pipe, the other end of the cooling tower water inlet pipe is connected with a cooling tower, the upper end face of the cooling tower is connected with one end of a cooling tower water outlet pipe, the other end of the cooling tower water outlet pipe is connected with the upper end face right side of the condenser, the lower end face left side of the evaporator is connected with one end of an air-conditioning end water outlet pipe, the other end of the air-conditioning end water outlet pipe is connected with one end of an air-conditioning end water inlet pipe, one ends of emptying pipes are arranged on the cooling tower water outlet pipe and the air-conditioning end water inlet pipe, two emptying pipes are sequentially connected with a check valve and a vacuum pump, the other ends of the two emptying pipes are arranged in the air, and heaters are arranged outside the check valve and the vacuum pump, and the left side surface and the right side surface in the heater are respectively provided with a temperature sensor and a pressure sensor.
Preferably, the high-temperature high-pressure gas pipe, the low-temperature high-pressure liquid pipe, the low-temperature low-pressure liquid pipe and the low-temperature low-pressure gas pipe are internally provided with air-conditioning refrigerants, and the cooling tower water inlet pipe, the cooling tower water outlet pipe, the air-conditioning end water outlet pipe and the air-conditioning end water inlet pipe are internally provided with water.
Preferably, the check valve, the vacuum pump, the heater, the temperature sensor and the pressure sensor are arranged at the highest point of the water system or at a position with a U-shaped bend in the middle, and the initial state of the four-position three-way reversing valve is a closed state.
Preferably, the compressor, the condenser, the throttle valve, the expansion valve, the evaporator, the four-position three-way reversing valve, the cooling tower, the air conditioner end, the vacuum pump, the heater, the temperature sensor and the pressure sensor are all controlled by a single chip microcomputer and are electrically connected with the single chip microcomputer.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a design through the cooling tower makes hot water spray in the tower, carries out the heat exchange with around, including sensible heat exchange and latent heat exchange, makes the temperature of water reduce, and the cooling effect is obvious, and is economical and practical; the utility model discloses a pressure sensor 23 and vacuum pump 20's design, can real-time detection equipment in the gas volume to in time discharge gas from the device, fast, efficient, avoid the system to get off to produce cavitation erosion in long-time operation, reduce the cooling function of air conditioner circulating water, can harm the pipeline and cause the pipeline corrosion; the utility model discloses a temperature sensor 22 and heater 21's design, can real-time detection external environment temperature to timely give the equipment heating, especially in winter in the north, avoid equipment to cross low freezing because of the temperature, guarantee that equipment normally works, simple and practical.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the working principle of the present invention;
fig. 3 is a schematic view of the refrigeration mode of the present invention;
fig. 4 is a schematic view of the heating mode of the present invention.
In the figure: 1-compressor, 2-high temperature high pressure gas pipe, 3-condenser, 4-low temperature high pressure liquid pipe, 5-throttle valve, 6-liquid storage tank, 7-expansion valve, 8-low temperature low pressure liquid pipe, 9-evaporator, 10-low temperature low pressure gas pipe, 11-four-position three-way reversing valve, 12-water inlet pipe, 13-cooling tower, 14-cooling tower drain pipe, 15-air conditioner end drain pipe, 16-air conditioner end, 17-air conditioner end water inlet pipe, 18-emptying pipe, 19-one-way valve, 20-vacuum pump, 21-heater, 22-temperature sensor, 23-pressure sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an emptying device of a central air-conditioning system and the central air-conditioning system comprise a compressor 1, wherein the compressor 1 sucks a refrigerant to raise the temperature and pressure of the refrigerant, one end of a high-temperature and high-pressure gas pipe 2 is connected to the right side of the upper end face of the compressor 1, the other end of the high-temperature and high-pressure gas pipe 2 is connected with a condenser 3, the condenser 3 releases heat and condenses a high-pressure and high-temperature gaseous refrigerant into a liquid state, one end of a low-temperature and high-pressure liquid pipe 4 is connected to the left side of the upper end face of the condenser 3, the low-temperature and high-pressure liquid pipe 4 is sequentially connected with a throttle valve 5 and a liquid storage tank 6, the throttle valve 5 plays a role in throttling and reducing pressure of the refrigerant, the liquid storage tank 6 is used for storing the refrigerant, the other end of the low, the other end of the low-temperature low-pressure liquid pipe 8 is connected with an evaporator 9, the evaporator 9 absorbs heat and vaporizes low-pressure low-temperature liquid refrigerant into gas, the right side of the lower end face of the evaporator 9 is connected with one end of a low-temperature low-pressure gas pipe 10, the other end of the low-temperature low-pressure gas pipe 10 is connected to the left side of the upper end face of the compressor 1, a four-way three-way reversing valve 11 is arranged on the high-temperature high-pressure gas pipe 2 and the low-temperature low-pressure gas pipe 10, the four-way three-way reversing valve 11 plays a role in switching a refrigeration or heating mode, the right side of the lower end face of the condenser 3 is connected with one end of a cooling tower water inlet pipe 12, the other end of the cooling tower water inlet pipe 12 is connected with a cooling tower 13, the cooling tower 13 sprays in the tower through hot water and exchanges heat with ambient air, the upper end face of, the lower terminal surface left side of evaporimeter 9 is connected with the one end of air conditioner end drain pipe 15, the other end of air conditioner end drain pipe 15 is connected with air conditioner end 16, air conditioner end 16 blows out cold wind and is indoor cooling, the up end of air conditioner end 16 is connected with the one end of air conditioner end inlet tube 17, the other end of air conditioner end inlet tube 17 is connected in the up end left side of evaporimeter 9, all be provided with the one end of evacuation pipe 18 on cooling tower drain pipe 14 and the air conditioner end inlet tube 17, two evacuation pipe 18 has connected gradually check valve 19 and vacuum pump 20, check valve 19 plays the effect that prevents the gas refluence, vacuum pump 20 plays the effect with the gas escape in the pipeline, two in the air is arranged in to the other end of evacuation pipe 18, the outside of check valve 19 and vacuum pump 20 is provided with heater 21, heater 21 is used for heating equipment, the work is prevented from being influenced by freezing, and the left side surface and the right side surface in the heater 21 are respectively provided with a temperature sensor 22 and a pressure sensor 23 which are used for detecting the temperature value and the pressure value in the equipment.
Specifically, the high-temperature high-pressure gas pipe 2, the low-temperature high-pressure liquid pipe 4, the low-temperature low-pressure liquid pipe 8 and the low-temperature low-pressure gas pipe 10 are internally filled with air-conditioning refrigerant to play a role in transporting the refrigerant, and the cooling tower water inlet pipe 12, the cooling tower water outlet pipe 14, the air-conditioning end water outlet pipe 15 and the air-conditioning end water inlet pipe 17 are internally filled with water to play a role in transporting the water.
Specifically, the check valve 19, the vacuum pump 20, the heater 21, the temperature sensor 22 and the pressure sensor 23 are arranged at the highest point of the water system or at a position with a U-shaped bend in the middle, so that gas can be conveniently discharged and drained, the four-position three-way reversing valve 11 is in a closed state in an initial state, and the working mode of the central air-conditioning system can be switched by switching the working mode of the four-position three-way reversing valve 11.
Specifically, the compressor 1, the condenser 3, the throttle valve 5, the expansion valve 7, the evaporator 9, the four-position three-way reversing valve 11, the cooling tower 13, the air conditioning end 16, the vacuum pump 20, the heater 21, the temperature sensor 22 and the pressure sensor 23 are all controlled by a single chip microcomputer and are electrically connected with the single chip microcomputer, and the air conditioner is small in size, low in cost and simple in control.
The working principle is as follows: the utility model discloses an utilize the very low refrigerant phase change process of boiling point to take place inhale the exothermal phenomenon, with the help of the suction compression of compressor 1, the condenser 3 exothermic condensation, the throttle of expansion valve 7 step down and the incessant circulation process of the heat absorption vaporization of evaporimeter 9, reach the purpose that the temperature descends. After the central air-conditioning system is powered on, low-pressure steam of a refrigerant in the refrigeration system is sucked by the compressor 1 and compressed into high-pressure steam and then discharged to the condenser 3, the condenser 3 can continuously take away heat emitted by the refrigerant through the cooling tower 13, heat exchange is carried out to cool the condenser 3, the high-pressure refrigerant steam is condensed into high-pressure liquid, the high-pressure liquid enters the expansion valve 7 through the throttle valve 5 and the liquid storage tank 6 to be cooled and depressurized, and finally is sprayed into the evaporator 11 and evaporated at corresponding low pressure, so that the ambient heat is sucked, meanwhile, the air is subjected to heat exchange by the air-conditioning end 16, and the cooled air is sent to the indoor by the cross-flow fan. Thus, the indoor air continuously circulates and flows to achieve the purpose of reducing the temperature. When the pressure sensor 23 detects that the air in the evacuation pipe 18 is too much, the vacuum pump 20 works to pump away the air to prevent cavitation and corrosion of the pipeline, and when the temperature sensor 22 detects that the ambient temperature is too low, the heater 21 works as a heating device to prevent freezing and influence the operation of the equipment.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. Emptying device and central air conditioning system of central air conditioning system, including compressor (1), its characterized in that: the utility model discloses a compressor, including compressor (1), the up end right side of compressor (1) is connected with the one end of high temperature high pressure gas pipe (2), the other end of high temperature high pressure gas pipe (2) is connected with condenser (3), the up end left side of condenser (3) is connected with the one end of low temperature high pressure liquid pipe (4), low temperature high pressure liquid pipe (4) have connected gradually choke valve (5) and liquid storage pot (6), the other end of low temperature high pressure liquid pipe (4) is connected with expansion valve (7), the left surface of expansion valve (7) is connected with the one end of low temperature low pressure liquid pipe (8), the other end of low temperature low pressure liquid pipe (8) is connected with evaporimeter (9), the lower terminal surface right side of evaporimeter (9) is connected with the one end of low temperature low pressure gas pipe (10), the other end of low temperature low pressure gas pipe (10) is, the four-position three-way reversing valve (11) is arranged on the high-temperature high-pressure gas pipe (2) and the low-temperature low-pressure gas pipe (10), the lower end face right side of the condenser (3) is connected with one end of a cooling tower water inlet pipe (12), the other end of the cooling tower water inlet pipe (12) is connected with a cooling tower (13), the upper end face of the cooling tower (13) is connected with one end of a cooling tower drain pipe (14), the other end of the cooling tower drain pipe (14) is connected with the upper end face right side of the condenser (3), the lower end face left side of the evaporator (9) is connected with one end of an air-conditioning end drain pipe (15), the other end of the air-conditioning end drain pipe (15) is connected with an air-conditioning end (16), the upper end face of the air-conditioning end (16) is connected with one end of an air-conditioning end water inlet pipe (17), all be provided with the one end of evacuation pipe (18) on cooling tower drain pipe (14) and air conditioner end inlet tube (17), two evacuation pipe (18) have connected gradually check valve (19) and vacuum pump (20), two the air is arranged in to the other end of evacuation pipe (18), the outside of check valve (19) and vacuum pump (20) is provided with heater (21), the inside left and right sides face of heater (21) is provided with temperature sensor (22) and pressure sensor (23) respectively.
2. Evacuation device of a central air conditioning system and central air conditioning system according to claim 1, characterized in that: the air-conditioning refrigerant is filled in the high-temperature high-pressure gas pipe (2), the low-temperature high-pressure liquid pipe (4), the low-temperature low-pressure liquid pipe (8) and the low-temperature low-pressure gas pipe (10), and water is filled in the cooling tower water inlet pipe (12), the cooling tower drain pipe (14), the air-conditioning end drain pipe (15) and the air-conditioning end water inlet pipe (17).
3. Evacuation device of a central air conditioning system and central air conditioning system according to claim 1, characterized in that: the check valve (19), the vacuum pump (20), the heater (21), the temperature sensor (22) and the pressure sensor (23) are arranged at the highest point of a water system or a position with a U-shaped bend in the middle, and the four-position three-way reversing valve (11) is in a closed state in an initial state.
4. Evacuation device of a central air conditioning system and central air conditioning system according to claim 1, characterized in that: the air conditioner is characterized in that the compressor (1), the condenser (3), the throttle valve (5), the expansion valve (7), the evaporator (9), the four-position three-way reversing valve (11), the cooling tower (13), the air conditioner end (16), the vacuum pump (20), the heater (21), the temperature sensor (22) and the pressure sensor (23) are controlled by a single chip microcomputer and are electrically connected with the single chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021586794.1U CN212644788U (en) | 2020-08-04 | 2020-08-04 | Emptying device of central air conditioning system and central air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021586794.1U CN212644788U (en) | 2020-08-04 | 2020-08-04 | Emptying device of central air conditioning system and central air conditioning system |
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| CN212644788U true CN212644788U (en) | 2021-03-02 |
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| CN202021586794.1U Active CN212644788U (en) | 2020-08-04 | 2020-08-04 | Emptying device of central air conditioning system and central air conditioning system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550937A (en) * | 2021-07-14 | 2021-10-26 | 中国科学院力学研究所 | Device for eliminating cavitation in front of pump |
| CN115342556A (en) * | 2022-09-06 | 2022-11-15 | 湖北亚运景建设科技有限公司 | Automatic control energy-saving cooling system of central air conditioner |
| CN115623763A (en) * | 2022-12-16 | 2023-01-17 | 西安中科西光航天科技有限公司 | Data processing heat dissipation device for remote sensing satellite monitoring |
| CN115682376A (en) * | 2022-12-13 | 2023-02-03 | 中联云港数据科技股份有限公司 | Air conditioning system |
-
2020
- 2020-08-04 CN CN202021586794.1U patent/CN212644788U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550937A (en) * | 2021-07-14 | 2021-10-26 | 中国科学院力学研究所 | Device for eliminating cavitation in front of pump |
| CN115342556A (en) * | 2022-09-06 | 2022-11-15 | 湖北亚运景建设科技有限公司 | Automatic control energy-saving cooling system of central air conditioner |
| CN115682376A (en) * | 2022-12-13 | 2023-02-03 | 中联云港数据科技股份有限公司 | Air conditioning system |
| CN115623763A (en) * | 2022-12-16 | 2023-01-17 | 西安中科西光航天科技有限公司 | Data processing heat dissipation device for remote sensing satellite monitoring |
| CN115623763B (en) * | 2022-12-16 | 2023-03-17 | 西安中科西光航天科技有限公司 | Data processing heat dissipation device for remote sensing satellite monitoring |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 404100 22-17, unit 1, building 1, No. 48, Zhujiang Road, Yangjiaping, Jiulongpo District, Chongqing Patentee after: Chongqing Ruiheng Construction Technology Co.,Ltd. Address before: 404100 22-17, unit 1, building 1, No. 48, Zhujiang Road, Yangjiaping, Jiulongpo District, Chongqing Patentee before: Chongqing Ruiheng refrigeration equipment Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |