Practical training device for air heat and humidity treatment

Abstract

The utility model provides an air heat and humidity treatment practical training device which comprises a central air-conditioning simulation chamber, the side face of the central air-conditioning simulation chamber is provided with an exhaust valve, the interior of the central air-conditioning simulation chamber is provided with an air return valve, an air outlet and a heating pipe, the heating pipe is arranged in front of the air outlet, and the air outlet is connected to a ventilation chamber through a square air pipe and a concentric-square-shaped air pipe; a water outlet and a water inlet are formed in the water tank, and a handle is arranged on a top cover of the water tank; the cooling-water machine is mounted on one side of the water tank; and a liquid crystal display all-in-one machine, a computer keyboard, a mouse and the like are arranged in the electrical measurement and control cabinet. According to the utility model, the central air-conditioning simulation chamber is matched with the ventilation chamber and the water tank to test the performance of the air-conditioning unit, and compared with the prior art, all test values are displayed by the computer and test results are automatically stored in the database, so that management and convenient and rapid query are carried out, the operation is simple, and the functions are complete.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioning unit overhauls field, concretely is an air heat and humidity treatment practical training device. BACKGROUND

[0002] Air conditioning unit is a kind of air handling equipment that completes refrigeration and heating by steam compression or absorption cycle, mainly consisting of compressor, condenser, expansion valve, evaporator, fan and control system etc.Overhauling air conditioning unit is to ensure its normal operation, improve operating efficiency, prolong service life, protect indoor air quality and personnel health.Overhauling can find and solve potential problems in time, prevent fault amplification, reduce maintenance cost and downtime.

[0003] Now the function of air conditioning unit overhauls is not complete enough, operation is complex and test data is not accurate and reliable enough, overhauling frequency is less, cannot find hidden defects, such as refrigerant leakage, compressor efficiency decline etc., simultaneously, after overhauling, there is lack of reinspection, and air conditioning unit secondary fault can be caused due to not thoroughly investigating problem, thereby affecting the quality of air conditioning unit. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an air heat and humidity treatment practical training device to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] An air heat and humidity treatment practical training device, comprising:

[0007] Central air conditioning simulation room, the side of central air conditioning simulation room is equipped with exhaust valve, the inside is equipped with return air valve and air outlet and heating pipe, the heating pipe is arranged in front of air outlet, and air outlet is connected to ventilation room through square air pipe and return air pipe;

[0008] Water tank, water outlet and water inlet are formed in water tank, and handle is arranged on the top cover of water tank;

[0009] Water chiller, water chiller is installed on one side of water tank;

[0010] Electrical measurement and control cabinet, liquid crystal display integrated machine, computer keyboard, mouse etc. are installed in electrical measurement and control cabinet.

[0011] Preferably, the ventilation room is provided with a condenser, and the side of the condenser is provided with an evaporative fan and a filter.

[0012] Preferably, the outlet of the ventilation room is connected with the return air valve, and the top of the ventilation room is provided with a fresh air valve.

[0013] Preferably, the condenser inside condensing pipe is respectively provided with water inlet and water outlet, the water inlet is connected to the water outlet of the water tank, and the water outlet is connected to the water inlet of the water tank.

[0014] Preferably, the ventilation chamber and the central air conditioning simulation chamber are provided with a temperature and humidity transmitter.

[0015] Preferably, the water outlet and the water inlet are provided with a water outlet valve, a water pump, a flow valve and a flow valve adjustment.

[0016] Preferably, the water tank is provided with a valve connected to the square air pipe inside the spray valve.

[0017] Preferably, the central air conditioning simulator, the ventilation chamber, the water tank and the cold water tank are provided with a moving frame.

[0018] Compared with the prior art, the air conditioning unit performance test is carried out by cooperating the central air conditioning simulation chamber with the ventilation chamber and the water tank.

[0019] The air conditioning unit performance test is carried out by cooperating the central air conditioning simulation chamber with the ventilation chamber and the water tank. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a three-dimensional schematic view of the whole structure of the utility model;

[0021] Fig. 2 It is a three-dimensional schematic view of the internal structure of the ventilation chamber of the utility model;

[0022] Fig. 3 It is a three-dimensional schematic view of the internal structure of the central air conditioning simulation chamber of the utility model.

[0023] In the drawing: 1-moving frame; 2-central air conditioning simulation chamber; 3-square air pipe; 301-back air pipe; 4-ventilation chamber; 5-temperature and humidity transmitter; 6-water tank; 601-handle; 602-water outlet; 603-water inlet; 7-cold water machine; 8-electricity measurement and control cabinet; 9-fresh air valve; 10-exhaust air valve; 11-condenser; 1101-water inlet; 1102-water outlet; 12-evaporation fan; 13-filter; 14-return air valve; 15-air outlet; 16-heating pipe. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of the present application.

[0025] Embodiment:

[0026] Please refer to Figs. 1 to 3 The present application provides a technical solution:

[0027] An air heat and humidity treatment practical training device, comprising:

[0028] A central air conditioning simulation room 2, a side of the central air conditioning simulation room 2 is provided with an exhaust valve 10, and a return air valve 14 and an air outlet 15 and a heating pipe 16 are arranged in the central air conditioning simulation room 2, the heating pipe 16 is arranged in front of the air outlet 15, and the air outlet 15 is connected to the ventilation chamber 4 through a square air pipe and a return air pipe 301;

[0029] A water tank 6, a water outlet 602 and a water inlet 603 are arranged on the water tank 6, and a handle 601 is arranged on the top cover of the water tank 6;

[0030] A water cooler 7, the water cooler 7 is installed on one side of the water tank 6;

[0031] An electrical measurement and control cabinet 8, the electrical measurement and control cabinet 8 is internally provided with a liquid crystal display all-in-one machine, a computer keyboard, a mouse and the like.

[0032] In the embodiment, the system control mode can be selected as automatic, manual and forced, the computer is automatically controlled in the automatic mode, the buttons in the configuration picture can be used to control the correct start of each fan and compressor of the practical training device, the air valve switch, and the air conditioning unit needs to be operated according to the sequence of the supply air fan, the fresh air valve 9, the return air valve 14, the exhaust valve 10, the return water regulating valve and the humidifying valve, and the forced mode and the manual control mode are operated in the same way.

[0033] In the embodiment, ventilation test needs to be performed first during testing, so as to check whether the rotation direction of the ventilation fan is correct, the side of the ventilation chamber 4 is a glass panel, and the staff can observe the internal air direction through the glass panel, and when the rotation direction is correct, the subsequent test can be started.

[0034] If the air conditioning unit refrigeration experiment is to be carried out, the water pump button is opened in the computer of the electrical control cabinet 8 to make the water pump between the water outlet 602 and the water inlet 1101 start working, then the water outlet valve button and the fan button are opened, the evaporative fan 12 is started, the water in the water tank 6 enters the water inlet 1101 of the condenser 11 through the water outlet 602, so that the air sucked into the ventilation chamber 4 is cooled by the condenser 11 and the evaporative fan 12, and then the cold water valve button is clicked to make the indicator light green, and the cold water machine 7 button is clicked to start the cold water machine 7. Cold water can be added to the water tank 6 through the cold water valve to quickly reduce the water temperature in the water tank 6, and the temperature in the water tank 6 can be transmitted in real time through the cold air pipe temperature and humidity transmitter 5 to display the temperature in the water tank 6. The computer can record the data to generate a temperature history curve and a temperature real-time curve, which is convenient for observing the working state of the air heat and humidity treatment practical training device.

[0035] If the air conditioning unit heating experiment is to be carried out, the water pump and the water outlet valve are opened in the computer of the electrical control cabinet 8, then the fan button is opened to start the evaporative fan 12, the cold water machine 7 and the cold water valve are closed, and the heating of the water tank 6 is started. The temperature of the water tank 6 can be set through the electrical control cabinet 8, and the heating pipe 16 in the central air conditioning simulation room 2 can be started to raise the temperature in the simulation room. The computer can record the data to generate a temperature history curve and a temperature real-time curve, which is convenient for observing the working state of the air heat and humidity treatment practical training device.

[0036] Specifically, the ventilation chamber 4 is provided with a condenser 11, and the side of the condenser 11 is provided with an evaporative fan 12 and a filter 13.

[0037] In this embodiment, the fresh air valve 9 is adjusted to 100%, the fresh air valve 9 and the exhaust air valve 10 are in a linkage state, the return air valve 14 is adjusted to 0%, and the external circulation mode is opened. When the fresh air valve 9 is adjusted to 0% and the return air valve 14 is adjusted to 100%, the internal circulation mode is opened.

[0038] Specifically, the outlet of the ventilation chamber 4 is connected with the return air valve 14, and the top of the ventilation chamber 4 is provided with the fresh air valve 9.

[0039] Specifically, the condenser 11 is provided with a water inlet 1101 and a water outlet 1102 inside the condenser 11, the water inlet 1101 is connected to the water outlet 602 of the water tank 6, and the water outlet 1102 is connected to the water inlet 603 of the water tank 6.

[0040] Specifically, the ventilation chamber 4 and the central air conditioning simulation room 2 are provided with a temperature and humidity transmitter 5.

[0041] Specific, the water outlet 602 and water inlet 1101 between the installation of the water outlet valve, water pump, flow valve and flow valve adjustment.

[0042] In this embodiment, the start of the spray valve can increase the air humidity inside the whole training device.

[0043] Specific, the water tank 6 has a valve connected to the square duct 3 inside the spray valve.

[0044] Specific, the central air conditioning simulator, ventilation chamber 4, water tank 6 and cold water tank 6 below the installation of the moving frame 1.

[0045] The utility model discloses in using, need first carry out ventilation test to check whether the ventilation machine operating direction is correct when testing, the side of ventilation chamber 4 is glass panel, and the staff can observe the inside air direction through glass panel, when the operating direction is correct, can start the subsequent test.

[0046] Want to carry out air conditioning unit refrigeration experiment, in the computer of electrical measurement and control cabinet 8, open water pump button and make the water pump between water outlet 602 and water inlet 1101 start working, then open water outlet valve button and fan button, open evaporative fan 12, make the water in water tank 6 enter the water inlet 1101 of condenser 11 through water outlet 602, then click cold water valve button and make its pilot lamp green, click cold water machine 7 button and start cold water machine 7, can add cold water to water tank 6 through cold water valve to reduce the temperature of water tank 6 quickly, and simultaneously, through cold air pipe external temperature and humidity transmitter 5, can transmit the temperature in water tank 6 in real time to display, and the computer can record data to generate temperature history curve and temperature real-time curve, to facilitate the observation of the working state of air heat and humidity treatment training device.

[0047] Want to carry out air conditioning unit heating experiment, in the computer of electrical measurement and control cabinet 8, open water pump and water outlet valve, then open fan button and open evaporative fan 12, close cold water machine 7 and cold water valve simultaneously, open the heating of water tank 6, can set the temperature of water tank 6 through electrical measurement and control cabinet 8, and heating pipe 16 is arranged in central air conditioning simulation room 2, can raise the temperature in simulated room by starting heating pipe 16 to work, and the computer can record data to generate temperature history curve and temperature real-time curve, to facilitate the observation of the working state of air heat and humidity treatment training device.

[0048] The utility model discloses the rest unrecited part can be same with prior art, or for known technology or can adopt prior art to realize, here no longer in detail.

[0049] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An air heat and moisture treatment practical training device, characterized in that, Include: Central air conditioning simulation room (2), the side of the central air conditioning simulation room (2) is provided with an exhaust valve (10), and the inside is provided with a return air valve (14) and an air outlet (15) and a heating pipe (16), the heating pipe (16) is arranged in front of the air outlet (15), and the air outlet (15) is connected to the ventilation chamber (4) through the square air pipe and the return air pipe (301); Water tank (6), the water tank (6) is provided with a water outlet (602) and a water inlet (603), and the top cover of the water tank (6) is provided with a handle (601); The cold water machine (7) is installed on one side of the water tank (6); The electrical measurement and control cabinet (8) is provided with a liquid crystal display integrated machine, a computer keyboard and a mouse.

2. The air heat and moisture treatment practical training device according to claim 1, characterized in that: The ventilation chamber (4) is provided with a condenser (11), and the side of the condenser (11) is provided with an evaporative fan (12) and a filter (13).

3. The air heat and moisture treatment practical training device according to claim 2, characterized in that: The outlet of the ventilation chamber (4) is connected with the return air valve (14), and the top of the ventilation chamber (4) is provided with a fresh air valve (9).

4. The air heat and moisture treatment practical training device according to claim 2, characterized in that: The condenser (11) is provided with a water inlet (1101) and a water outlet (1102) respectively, the water inlet (1101) is connected to the water outlet (602) of the water tank (6), and the water outlet (1102) is connected to the water inlet (603) of the water tank (6).

5. The air heat and moisture treatment practical training device according to claim 2, characterized in that: The ventilation chamber (4), the central air conditioning simulation room (2) is provided with a temperature and humidity transmitter (5).

6. The air heat and moisture treatment practical training device according to claim 4, characterized in that: The water outlet (602) and the water inlet (1101) are provided with a water outlet valve, a water pump, a flow valve and a flow valve adjustment.

7. The air heat and moisture treatment practical training device according to claim 1, characterized in that: The water tank (6) is provided with a valve connected to the inside of the square air pipe (3) spray valve.

8. The air heat and moisture treatment practical training device according to claim 1, characterized in that: The central air conditioning simulator, the ventilation chamber (4), the water tank (6) and the cold water tank (6) are provided with a movable frame (1) below.

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