CN210568999U

CN210568999U - Air-conditioning precooling and humidifying system in constant-temperature and constant-humidity environment

Info

Publication number: CN210568999U
Application number: CN201921230827.6U
Authority: CN
Inventors: 王吉; 勾天生; 朱显军; 徐鹏
Original assignee: Dongfeng Honda Automobile Co Ltd
Current assignee: Dongfeng Honda Automobile Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-05-19
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a constant temperature and humidity environment air conditioner precooling humidification system, including the application process room, be equipped with central air conditioning room, its characterized in that on the application process room: the outdoor side of central air conditioning is equipped with the precooling and humidifies the room, precooling humidifies room one side and passes through new trend entry and outdoor intercommunication, the opposite side pass through the new trend export with the central air conditioning room intercommunication, the indoor fixed little fog shower nozzle of high pressure that is equipped with of precooling humidification, the little fog shower nozzle of high pressure passes through the inlet tube and establishes ties with water pump, water tank, the main valve of water inlet control in proper order. The high-pressure spray treatment is carried out on the fresh air with high temperature and low humidity, so that the fresh air is pre-cooled and humidified before entering the central air-conditioning chamber, and the electric quantity consumed by the central air-conditioning chamber for cooling the fresh air and the water quantity consumed by the humidification treatment are reduced.

Description

Air-conditioning precooling and humidifying system in constant-temperature and constant-humidity environment

Technical Field

The utility model relates to an air conditioner refrigeration technology field specifically indicates a constant temperature and humidity environment air conditioner precooling humidification system.

Background

The coating production process is used as the production process with the highest investment and energy consumption in four processes during automobile manufacturing, the energy consumption accounts for more than fifty percent of the total energy consumption of the whole automobile production, and the cost of the energy consumption is a key factor influencing the automobile production cost. In the coating production process, a coated workpiece generally undergoes a plurality of procedures of rust removal, oil removal, cleaning, drying, rust prevention, drying, spraying and the like. Different process requirements are provided for workpieces made of different materials, but the air conditioner is often required for spraying to control the temperature and the humidity in a coating room of a coating workshop, and particularly, the requirement on the humidity of the coating workshop is stricter along with the application of the water-based paint. However, the air conditioning chiller system consumes the greatest amount of power in the entire coating process system. The refrigerator has field statistics, the power consumption of the refrigerator accounts for about 48 percent of the annual power consumption of the painting workshop when the temperature of the outdoor air is high in summer, and a large amount of power consumption is used for cooling the high-temperature outdoor air sucked by an air conditioning system of the painting workshop. At present, in order to ensure the stability of temperature and humidity in a coating workshop in four seasons, the temperature of outside air in summer is reduced by a refrigerator, the energy consumption is high, and the production cost of automobiles is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects existing in the prior art and providing a constant temperature and humidity environment air conditioning precooling and humidifying system for reducing the power consumption of an air conditioner.

In order to achieve the above object, the utility model provides a constant temperature and humidity environment air conditioner precooling humidification system, including the application process room, be equipped with central air conditioning room, its characterized in that on the application process room: the outdoor side of central air conditioning is equipped with the precooling and humidifies the room, precooling humidifies room one side and passes through new trend entry and outdoor intercommunication, the opposite side pass through the new trend export with the central air conditioning room intercommunication, the indoor fixed little fog shower nozzle of high pressure that is equipped with of precooling humidification, the little fog shower nozzle of high pressure passes through the inlet tube and establishes ties with water pump, water tank, the main valve of water inlet control in proper order.

Furthermore, a water drainage pipe is arranged between the high-pressure micro-mist sprayer and the water pump in a bypass mode through the water inlet pipe, and a water drainage control valve is arranged at the joint of the water drainage pipe and the water inlet pipe.

Further, a filter and a water softening device are connected in series between the water inlet control main valve and the water tank.

Furthermore, the inlet end of the water inlet control main valve is respectively communicated with an air conditioner condensation water pipeline, a soft water pipeline and a tap water pipeline.

Furthermore, a flow meter and a pressure gauge are connected in series on the water inlet pipe between the water inlet control main valve and the filter; and a temperature sensor and a humidity sensor are arranged outside the pre-cooling humidifying chamber.

The signal input end of the controller is respectively in communication connection with the temperature sensor, the humidity sensor, the pressure gauge and the flowmeter; and the signal output end of the controller is respectively in communication connection with the water inlet control main valve, the water pump and the water discharge control valve.

The utility model has the advantages that:

1. the electric quantity for air conditioning and the water quantity for humidification are reduced. The air inlet of the central air-conditioning chamber is provided with the precooling and humidifying chamber, and high-pressure spray treatment is carried out on the high-temperature and low-humidity fresh air, so that the fresh air is precooled and humidified before entering the central air-conditioning chamber, and the electric quantity consumed by cooling the fresh air and the water consumption consumed by humidifying the fresh air in the central air-conditioning chamber are reduced.

2. Precooling humidification system of intelligent control. By arranging the precooling control system, the temperature and humidity of outdoor fresh air, the flow and the pressure of a spray water source can be intelligently monitored, and the controller controls the on-off of the water inlet control main valve, the water pump and the water discharge control valve according to monitored parameters, so that the aim of intelligently controlling the whole precooling system is fulfilled.

Drawings

Fig. 1 is a schematic diagram of the system of the present invention.

The components in the figures are numbered as follows: the device comprises a central air conditioning chamber 1, a coating process chamber 2, a pre-cooling humidification chamber 3, a fresh air inlet 301, a fresh air outlet 302, a high-pressure micro-mist spray head 4, a water inlet pipe 5, a water outlet pipe 6, a water discharge control valve 7, a water pump 8, a water tank 9, a water softening device 10, a filter 11, a pressure gauge 12, a flow meter 13, a water inlet control main valve 14, an air conditioning condensate water pipeline 15, a soft water pipeline 16, a tap water pipeline 17, a temperature sensor 18, a humidity sensor 19 and a controller 20.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings, which are not intended to limit the scope of the present invention.

As shown in fig. 1, a constant temperature and humidity environment air-conditioning precooling and humidifying system comprises a central air-conditioning room 1 located on the upper layer of a coating process room 2, and is characterized in that: the outside of the central air-conditioning chamber 1 is provided with a pre-cooling humidifying chamber 3, one side of the pre-cooling humidifying chamber 3 is communicated with the outside through a fresh air inlet 301, the other side of the pre-cooling humidifying chamber 3 is communicated with a refrigerating system of the central air-conditioning chamber 1 through a fresh air outlet 302, a high-pressure micro-mist spray head 4 is fixedly arranged in the pre-cooling humidifying chamber 3, and the high-pressure micro-mist spray head 4 is sequentially connected with a water pump 8, a water tank 9 and a water inlet control. Like this, set up a precooling humidification chamber through the air intake department at central air conditioning room, carry out high pressure spray treatment with the new trend of high temperature low humidity for the new trend carries out precooling and humidification earlier before getting into central air conditioning room, has just so reduced the central air conditioning room and has been used for cooling the electric quantity that the new trend consumed and the water yield that consumes when humidification treatment.

In the technical scheme, a water discharge pipe 6 is communicated between the high-pressure micro-mist sprayer 4 and the water pump 8 through the water inlet pipe 5, a water discharge control valve 7 is arranged at the joint of the water discharge pipe 6 and the water inlet pipe 5, the water discharge control valve is a two-position three-way electromagnetic valve, the water discharge control valve enables the water tank and the high-pressure micro-mist sprayer to be in a conduction state under normal conditions, and the water discharge control valve 7 can be switched to enable the water tank to be communicated with the water discharge pipe when abnormal conditions such as shutdown occur.

In the technical scheme, a filter 11 and a water softening device 10 are connected in series between a main water inlet control valve 14 and a water tank 9; therefore, impurities in water can be filtered out, so that the spray head is prevented from being blocked, and the atomization of the water is facilitated.

In the technical scheme, the inlet end of the water inlet control main valve 14 is respectively communicated with an air conditioner condensate water pipeline 15, a soft water pipeline 16 and a tap water pipeline 17; therefore, the system preferentially uses the air conditioner condensate water for atomization, and the fresh air cooling effect can be further improved; when the on-site water pressure changes, the system is switched to other water sources to supply the humidification system for use, and the sufficient water source supply of the system is ensured.

A flowmeter 13 and a pressure gauge 12 are connected in series on the water inlet pipe 5 between the water inlet control main valve 14 and the filter 11; a temperature sensor 18 and a humidity sensor 19 are arranged outside the pre-cooling humidification chamber 3. Temperature sensor and humidity transducer can monitor the humiture of outdoor new trend, can calculate the refrigerating output of system operation through the flow that records water, can know the atomization effect of high pressure little fog shower nozzle through the monitoring of manometer.

In the technical scheme, the device further comprises a controller 20, the controller 20 is programmed by adopting a PLC, and the signal input end of the controller 20 is respectively in communication connection with the temperature sensor 18, the humidity sensor 19, the pressure gauge 12 and the flowmeter 13; the signal output ends of the controller 20 are respectively connected with the water inlet control main valve 14, the water pump 8 and the water discharge control valve 7 in a communication way. Thus, when the outdoor temperature and humidity reach the preset values, the controller starts the water inlet control main valve 14 and the water pump 8, and simultaneously enables the water discharge control valve 7 to be communicated with the water tank and the high-pressure micro-mist spray head; the controller adjusts the power of the water pump according to the numerical value of the pressure gauge, so that the water pressure is adjusted, and the atomization effect of the high-pressure micro-mist spray head is ensured; when the precooling and humidifying system leaks or is abnormal, the water inlet control main valve and the water pump can be closed through the controller, the water discharge control valve is switched at the same time, the water tank is communicated with the water discharge pipe, and residual water in the water inlet pipe is discharged through the water discharge pipe, so that the freezing of an external micro-mist pipeline and a nozzle in winter is prevented.

Claims

1. The utility model provides a constant temperature and humidity environment air conditioner precooling humidification system, is including central air conditioning room (1) that is located coating process room (2) upper strata, its characterized in that: central air conditioning room (1) outside is fixed to be equipped with precooling humidification room (3), precooling humidification room (3) one side is through new trend entry (301) and outdoor intercommunication, the opposite side pass through new trend export (302) with the refrigerating system intercommunication of central air conditioning room (1), precooling humidification room (3) internal fixation is equipped with high-pressure little fog shower nozzle (4), high-pressure little fog shower nozzle (4) are established ties with water pump (8), water tank (9), water inlet control main valve (14) in proper order through inlet tube (5).

2. The air-conditioning precooling and humidifying system for the constant-temperature and constant-humidity environment according to claim 1, wherein: the water inlet pipe (5) is located and bypasses a drain pipe (6) between the high-pressure micro-mist sprayer (4) and the water pump (8), and a drain control valve (7) is arranged at the joint of the drain pipe (6) and the water inlet pipe (5).

3. The air-conditioning precooling and humidifying system for the constant-temperature and constant-humidity environment according to claim 2, wherein: a filter (11) and a water softening device (10) are connected in series between the water inlet control main valve (14) and the water tank (9).

4. The air-conditioning precooling and humidifying system for the constant-temperature and constant-humidity environment according to claim 3, wherein: the inlet end of the water inlet control main valve (14) is respectively communicated with an air conditioner condensate water pipeline (15), a soft water pipeline (16) and a tap water pipeline (17).

5. The air-conditioning precooling and humidifying system for the constant-temperature and constant-humidity environment according to claim 4, wherein: a flow meter (13) and a pressure gauge (12) are connected in series on the water inlet pipe (5) between the water inlet control main valve (14) and the filter (11); and a temperature sensor (18) and a humidity sensor (19) are arranged outside the pre-cooling humidifying chamber (3).

6. The air-conditioning precooling and humidifying system for the constant-temperature and constant-humidity environment according to claim 5, wherein: the device is characterized by further comprising a controller (20), wherein the signal input end of the controller (20) is respectively in communication connection with the temperature sensor (18), the humidity sensor (19), the pressure gauge (12) and the flowmeter (13); and the signal output end of the controller (20) is respectively in communication connection with the water inlet control main valve (14), the water pump (8) and the water discharge control valve (7).