CN220290357U - Central air conditioner simulator for training - Google Patents
Central air conditioner simulator for training Download PDFInfo
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- CN220290357U CN220290357U CN202321406191.2U CN202321406191U CN220290357U CN 220290357 U CN220290357 U CN 220290357U CN 202321406191 U CN202321406191 U CN 202321406191U CN 220290357 U CN220290357 U CN 220290357U
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- 238000012549 training Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- 239000000498 cooling water Substances 0.000 claims abstract description 48
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 6
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims description 2
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- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 238000004378 air conditioning Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000003507 refrigerant Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
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- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
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- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
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- 238000007664 blowing Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
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- 230000005494 condensation Effects 0.000 description 1
- 238000013135 deep learning Methods 0.000 description 1
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- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
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Abstract
The utility model discloses a central air conditioner simulator for training, which is manufactured according to the operation principle of a central air conditioner and is manufactured by miniaturizing a large complex central air conditioner system into a pocket-sized central air conditioner simulator. The central air conditioner simulator comprises a water chilling unit module, a chilled water module, a cooling water module, an electrical control module, a detection module and an installation frame, wherein each module of the central air conditioner simulator is distributed according to the functions of main equipment of the central air conditioner and an up-down logic structure, so that each module is intensively placed, and the volume is minimized, so that a learner can intuitively and clearly know the main structure and each function of the central air conditioner in a small space, training theoretical knowledge and practice operation practice at any time and any place is facilitated, the process of changing the learner from theoretical learning to practice operation maintenance is accelerated, and the talent culture speed is accelerated.
Description
Technical Field
The utility model belongs to the field of air conditioner training, and particularly relates to a central air conditioner simulator for training.
Background
At present, with the improvement of the living standard of people and the continuous increase of the residential area and the improvement of the indoor environment comfort level requirements of people, more and more large-sized residences or commercial office buildings gradually adopt a central air conditioning system for air conditioning. Most of commercial office trays are provided with water-cooled central air-conditioning systems, and because the water-cooled central air-conditioning systems are complex, the water-cooled central air-conditioning systems relate to electronic and electric appliance automatic control, mechanical refrigeration, a refrigeration cooling water circulation pipe system, a water treatment system and the like, and have high requirements on theory such as electromechanical integration of staff, automatic control, refrigeration principle, water circulation pipe, water treatment and the like and operation and maintenance skills. The operation and maintenance of the central air conditioning system are also important in building property management, so that a large number of qualified central air conditioning operation and maintenance personnel are needed, and the training of the theory of the central air conditioning system and the training of practical operation are enhanced by cultivating a qualified central air conditioning operation and maintenance personnel.
In the prior art, during training, a central air conditioning system is usually split into a plurality of modules which are respectively and simply installed on different frames, and training staff connects all the components by using pipe fittings and wires to form a whole. However, the pipeline installation is simpler, the types of the pipelines are single, the learning and practical training contents are fewer, the training strength and difficulty are not high, the modules installed by the central air conditioner are respectively installed on different frames, the occupied area is large, and the training in small places such as offices is not facilitated.
Therefore, how to miniaturize a large and complex central air conditioning system into a compact central air conditioning system enables students to intuitively and clearly understand the main structure and various functions of the central air conditioning in a small space, and accelerates the process of switching from theoretical learning to practical operation maintenance, which is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The utility model mainly solves the technical problem of providing a central air conditioner simulator for training, and solves the problems that the central air conditioner system equipment used for training in the prior art occupies a large area and is not beneficial to small-space training.
In order to solve the technical problems, the utility model adopts the technical scheme that the central air conditioner simulator for training is provided, and comprises a water chilling unit module, a chilled water module, a cooling water module, an electrical control module, a detection module and a mounting frame;
the mounting frame is of a four-layer square frame structure and comprises a first layer of frame, a second layer of frame, a third layer of frame and a fourth layer of frame which are sequentially arranged at intervals from top to bottom, wherein the third layer of frame can move up and down to adjust the distance between the third layer of frame and the second layer of frame and the distance between the third layer of frame and the fourth layer of frame;
the water chilling unit module comprises an evaporator, a condenser, a compressor and a throttle valve, wherein the evaporator, the condenser, the compressor and the throttle valve are respectively arranged on the fourth layer of frame, the compressor is respectively connected with the evaporator and the condenser through a through pipe, and the throttle valve is respectively connected with the evaporator and the condenser through the through pipe;
the chilled water module comprises a water tank, a fan coil and a chilled water pump, wherein the water tank is arranged on the first layer of frame, the fan coil is arranged on the third layer of frame, and the chilled water pump is arranged on the fourth layer of frame;
the cooling water module comprises a cooling tower and a cooling water pump, the cooling tower is arranged on the first layer of frame, and the cooling water pump is arranged on the fourth layer of frame;
the electric control module is arranged on the second layer of frame, the detection module is arranged on one side of the evaporator and one side of the condenser, the electric control module is respectively electrically connected with the chilled water module, the cooling water module, the electric control module and the detection module so as to supply power to the electric control module and control the running and stopping of the central air conditioner simulator, and the detection module is used for detecting the temperature and the pressure of the evaporator and the condenser.
Preferably, a plurality of screw holes are formed in the middle of four frames in the vertical direction of the mounting frame, and the third layer of frame is fixed on the mounting frame in an adaptive manner through screws and the screw holes.
Preferably, the lower end of the mounting frame is provided with universal wheels.
Preferably, the water chilling unit module, the chilled water module and the cooling water module are connected through a through pipe.
Preferably, the evaporator is connected with the chilled water pump and the fan coil respectively through the through pipes, and the condenser is connected with the cooling tower and the cooling water pump respectively through the through pipes.
Preferably, the material of the through pipe is galvanized pipe, PE-xb pipe, PPR steady-state pipe or UPVC pipe
Preferably, the central air conditioner simulator further comprises a cooling tower water receiving disc, and the cooling tower water receiving disc is arranged below the cooling tower.
Preferably, the detection module comprises two temperature control instruments, two temperature sensors and two mechanical pressure gauges, and the outer sides of the condenser and the evaporator are respectively provided with one temperature control instrument, one temperature sensor and one mechanical pressure gauge.
Preferably, the electrical control module comprises an electrical box and a circuit board, the circuit board being disposed within the electrical box.
Preferably, the electrical control module includes a manual control mode and an automatic control mode.
The beneficial effects of the utility model are as follows: the utility model discloses a central air conditioner simulator for training, which is manufactured according to the operation principle of a central air conditioner and is manufactured by miniaturizing a large complex central air conditioner system into a pocket-sized central air conditioner simulator. Wherein, each module of the central air conditioner simulator is laid out according to the functions of main equipment of the central air conditioner and the logical structure from top to bottom, so that each module is placed in a concentrated way, the volume is minimized, so that the students can intuitively and clearly know the main structure and various functions of the central air conditioner in a small space, and is favorable for training theoretical knowledge and practice operation practice anytime and anywhere, the process of changing from theoretical learning to practice operation maintenance is quickened, and the culture speed of talents is quickened.
Drawings
FIG. 1 is a schematic diagram of a temperature controlled central air conditioner simulator according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the front structure of the temperature controlled central air conditioner simulator of the embodiment shown in FIG. 1;
FIG. 3 is a schematic diagram of the back structure of the temperature controlled central air conditioner simulator of the embodiment shown in FIG. 1;
FIG. 4 is a schematic diagram of the right side structure of the temperature controlled central air conditioner simulator of the embodiment shown in FIG. 1;
fig. 5 is a schematic diagram of a left side structure of the temperature control central air conditioner simulator of the embodiment shown in fig. 1.
Detailed Description
In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
The utility model provides a central air conditioner simulator for training, which is shown in fig. 1-5 and is a structural schematic diagram of each view angle of the central air conditioner simulator. The central air conditioner simulator comprises a water chilling unit module, a chilled water module, a cooling water module, an electric control module, a detection module and a mounting frame; in order to reduce the occupation area of the central air conditioner simulator, the water chilling unit module, the chilled water module, the cooling water module, the electric control module and the detection module are distributed according to the main functions of the central air conditioner and the up-down logic structure, the installation positions of the modules are reasonably arranged, the air conditioning function of the central air conditioner simulator can be realized, the occupation area can be reduced, the central air conditioner simulator can be displayed in a small space for training, and a learner can intuitively and clearly know the main structure and various functions of the central air conditioner in a small space.
The installation frame is a four-layer square frame body structure, and comprises a first layer of frame 501, a second layer of frame 502, a third layer of frame 503 and a fourth layer of frame 504 which are sequentially arranged at intervals from top to bottom, wherein the third layer of frame 503 can move up and down to adjust the distance between the third layer of frame 503 and the second layer of frame 502 and the fourth layer of frame 504. The mounting frame is formed by splicing stainless steel materials, and the stainless steel materials can be replaced by other hard metal materials without limitation. The stainless steel material splicing mode comprises welding, clamping and other modes, so that the structure of the mounting frame is simple, practical, firm and reliable. The third layer frame 503 is movably fixed to the mounting frame (movable structure is not shown in the figure). Preferably, a plurality of screw holes are formed in the middle of four frames in the vertical direction of the mounting frame, the screw holes are arranged at intervals around the axes of the frames, the screw holes are respectively formed in the same horizontal line of the adjacent axes of each frame, namely, two adjacent screw holes are formed in the same horizontal position of one frame, the distance between the screw holes in the vertical direction can be equal or gradually changed, the four frames of the third-layer frame 503 are respectively fixed on the mounting frame through screw and screw hole adaptation, and the connection mode is common knowledge of a person skilled in the art and is not repeated herein. In other embodiments of the present application, each layer of frame of the mounting frame is fixed by means of welding, enhancing the stability of the mounting frame.
As shown in fig. 1-5, fig. 1 is a schematic structural diagram of a central air conditioner simulator of the present utility model, wherein a water chiller module, a chilled water module and a cooling water module are connected by a through pipe. The chiller module includes an evaporator 101, a condenser 102, a compressor 103, and a throttle valve 104, with the evaporator 101, the condenser 102, the compressor 103, and the throttle valve 104 being disposed on a fourth layer of frame 504, respectively. The volume of condenser 102 and evaporimeter 101 is great, and weight is heavier, sets up its bottom at the installing frame, and compressor 103 sets up at same layer with condenser 102, can reduce the distance of compressor 103 and condenser 102, and compressor 103 is connected with evaporimeter 101 and condenser 102 respectively through the siphunculus, and the distance of compressor 103 and condenser 102 reduces, and then saves siphunculus material, ensures cold and hot effective exchange, and choke valve 104 is connected with evaporimeter 101 and condenser 102 respectively through the siphunculus. In the chiller module, the refrigerant absorbs heat from the evaporator 101 and the absorbed heat is condensed in the condenser 102 to release heat.
The chilled water module includes a water tank 201, a fan coil 202, and a chilled water pump 203, with the evaporator 101 connected to the chilled water pump 203 and the fan coil 202, respectively, by a tube. The water tank 201 is arranged on the first layer of frame 501, the water tank 201 is arranged at the highest position of the central simulator, tap water is utilized for filling, water is automatically supplied to the pipeline by gravity, and normal water use of the pipeline is ensured. The fan coil 202 is disposed in the third layer of frame 503, and the fan coil 202 is relatively bulky and lightweight and is adapted to be mounted in a middle layer of the mounting frame. The fan coil 202 includes return air inlet 2021 and outlet air inlet 2022, one on each of the opposite sides of the fan coil 202. The chilled water pump 203 is installed on the fourth layer frame 504, the chilled water pump 203 is connected with the evaporator 101, and is arranged near the evaporator 101, so that the connection distance of the through pipes can be reduced, and the effective heat and cold exchange is ensured. In the chilled water module, a closed circulation system is formed by an evaporator 101 of a water chilling unit module, a fan coil 202 for providing surface cold cutting, a chilled water pump 203 for providing water flow power, and a connecting through pipe and accessories between the evaporator and the chilled water pump. This circulation system continuously delivers the cold generated by the chiller module to the fan coil 202 for air treatment via chilled water.
The cooling water module includes a cooling tower 301 and a cooling water pump 302, and the condenser 102 is connected to the cooling tower 301 and the cooling water pump 302 through pipes, respectively. The cooling tower 301 is arranged on the first layer of frame 501, and the cooling tower 301 is adjacent to the water tank 201, so that heat dissipation is facilitated; the cooling water pump 302 is disposed on the fourth layer frame 504, the cooling water pump 302 is connected to the condenser 102, and is disposed near the condenser 102, thereby ensuring effective heat exchange. In the cooling water module, the cooling water pump 302 is used for removing heat released by the refrigerant in the condenser 102 of the water chiller module, and the cooling tower 301 is used for releasing heat generated by the water chiller module through the cooling water and is equivalent to an outdoor unit of a household air conditioner. The cooling water module consists of a condenser 102, a cooling water pump 302, a cooling tower 301, a connecting through pipe and accessories. The heat carried away from the condenser 102 by the cooling water is released directly to the atmosphere in the cooling tower 301.
In the central air conditioner simulator, the refrigerant is compressed into a liquid state by the compressor 103, and then is sent to the evaporator 101 to exchange heat with chilled water, the chilled water is refrigerated, the chilled water is sent to the fan coil 202 of each fan tuyere by the chilled water pump 203, and the purpose of cooling is achieved by fan blowing. The evaporated refrigerant releases heat to be in a gaseous state in the condenser 102, the cooling water is sent to the cooling tower 301 by the cooling water pump 302, and is sprayed and cooled by the water tower fan, and heat exchange is carried out between the cooling water and the atmosphere, so that the heat is emitted to the atmosphere, and the aim of indoor air conditioning is fulfilled.
The electric control module is arranged on the second layer frame 502, the detection module (not shown in the figure) is arranged on one side of the evaporator 101 and the condenser 102, the electric control module is respectively electrically connected with the chilled water module, the cooling water module, the electric control module and the detection module to supply power to the chilled water module and control the running and stopping of the central air conditioner simulator, the detection module is used for detecting the temperature and the pressure of the evaporator 101 and the condenser 102, the electric control module is provided with a starting switch and various control buttons, the electric control module is arranged on the second layer frame 502, the height is moderate, and a student is convenient to control the electric control module, so that the electric control module accords with the ergonomic setting.
When the central air conditioner simulator is used for design, installation and debugging training, the connecting through pipes and connecting wires among the modules can be completely disconnected, the working principles of the modules and the central air conditioner of the central air conditioner simulator are introduced to students, the students can intuitively and clearly know the main structures and the functions of the central air conditioner, the students can further deepen cognition on the structures forming the central air conditioner by observing the components, the practical operation training is performed on the basis of the knowledge of the cleavage theory, the components are connected by the through pipes and the accessories, the central air conditioner simulator is formed, and the central air conditioner simulator and the modules are debugged, operated and overhauled. The through pipe can be a galvanized pipe, a PE-xb pipe, a PPR steady-state pipe, a UPVC pipe and other different pipes.
Specifically, the operation of the compressor 103 is debugged, and whether the operation of the central air conditioner simulator meets the following conditions is observed:
(1) The low pressure of the compressor 103 was 4.9kg/cm 2 ～5.4kg/cm 2 ；
(2) The through pipe can only dew and can not frost;
(3) The running current of the compressor 103 is not consistent with the nameplate mark, if the running current is smaller than the nameplate mark, the freon is regarded as small in amount, the freon is slowly added, the condensation or frosting condition at the joint of the through pipe is continuously observed, and the freon is stopped being added when the running current and the running pressure are close to rated values;
(4) The temperature of the air outlet of the internal machine meets the requirements, namely, the temperature is 12-16 ℃ in summer and 35-40 ℃ in winter.
Debugging of the chilled water pump 203 and the cooling water pump 302:
(1) Confirming that all the through pipe valves except the first valve at the outlets of the chilled water pump 203 and the cooling water pump 302 are in the full-open state;
(2) The vent valves of the chilled water pump 203 and the cooling water pump 302 are opened (automatic vent valve and three-way cock of the pressure gauge are opened to accelerate the venting), and all the air in the pump and the through pipe system is confirmed to be exhausted until the uniform water flows out.
(3) The running motor confirms that the steering of the water pump is consistent with the technical requirement (steering indication), the water pump and the large motor which are strictly reversed need to be disconnected, and the idling motor confirms the steering and records the idle performance data of the motor.
(4) After the motor reaches the rated revolution, the data displayed by the inlet and outlet pressure gauges of the chilled water pump 203 and the cooling water pump 302 are observed. And slowly opening outlet valves of the chilled water pump 203 and the cooling water pump 302, and observing readings of inlet and outlet pressure gauges of the chilled water pump 203 and the cooling water pump 302 to ensure that the pressure difference displayed by the two pressure gauges is within a specified range of nameplates of the chilled water pump 203 and the cooling water pump 302. And recording the running current and voltage of the motor, and measuring the temperature rise change of the motor stator, the bearing and the water pump bearing. Any abnormal condition exists in the process, and after the machine is stopped to check the reasons, the machine can be started up again according to the steps to debug and operate.
Debugging performance parameters such as wind speed, wind quantity and noise of fan coil 202:
(1) The air quantity of the chromium plate refers to the air quantity in a standard state when the temperature of an air dry ball at an inlet is 14-27 ℃;
(2) The cold supply capacity of the chromium plate refers to parameters when the temperature of the air dry bulb at the air inlet is 27 ℃, the temperature of the wet bulb is 19.5 ℃, the inlet water temperature is 7 ℃ and the temperature difference between the water inlet and the water outlet is 5 ℃;
(3) The heat supply of the chromium plate refers to parameters when the temperature of the dry ball of inlet air is 21 ℃, the inlet water temperature is 60 ℃, and the water supply is the same as the flow in the nominal cold supply working condition;
(4) The fan coil 202 allows the sound level to be referred to as the maximum allowable a sound level for noise when the noise measurement is made at the rated maximum speed in the anechoic room.
Debugging an electric control loop of the fan coil 202:
(1) Test the protection ground resistance of the fan coil 202: the resistance between the exposed metal portion and the ground terminal should be not more than 0.1Ω.
(2) Insulation resistance of the fan coil 202 was tested: the insulation resistance value between the charged part and the uncharged metal part is not less than 2MΩ.
(3) Test run: before the first power transmission of the fan coil 202, checking whether the fan rotates freely or not by using hands, whether the blocking phenomenon exists or not, whether the electric connection is correct or not, checking whether the electric connection is qualified, and testing the power transmission, wherein the first power transmission adopts a inching mode, and the operation condition of the fan is observed after the first power transmission is stopped; if the fan runs normally, then high, medium and low speed switching operation is carried out, and the operation rotating speeds of the fan are observed to be obviously different, obvious noise is not required; after the high-speed gear is operated for ten minutes, the power failure is checked, and no looseness phenomenon is generated among parts of the fan coil 202; the fan is operated continuously for two hours, and no obvious temperature rise exists.
And (3) running and debugging of the central air conditioner simulator:
(1) Opening a valve of a freezing and cooling water through pipe, performing water injection detection on cooling water and a freezing water through pipe, and performing water supplementing test;
(2) After the detection is normal, the cooling water pump 302 and the chilled water pump 203 are respectively electrified to test whether the operation is normal or not, the through pipe is repeatedly cleaned after the shutdown, and the system water is clean and cool and can be used normally after the clean water is filled;
(3) Manually starting a chilled water pump 203, a cooling water pump 302, a fan coil 202 and a cooling tower 301 fan, vacuumizing a central air-conditioning water chiller module, starting a compressor 103 to operate, filling a refrigerant, and when the current of the compressor 103 is increased to a rated value, ensuring that the return pressure of the evaporator 101 is 0.45 MP;
(4) Observing the continuous working current and temperature rise of the compressor 103, the temperature change of the condenser 102, the evaporator 101 and the cooling water, and whether the temperature difference of inlet air and outlet air of the fan coil 202 meets the design requirement;
(5) Manually starting the compressor 103, and observing whether the starting of the compressor 103 is normal;
(6) Manually starting the chilled water pump 203, the cooling water pump 302 and the fan coil 202 to observe whether the work is normal;
(7) The cooling tower 301 fan is manually started to observe whether the operation is normal.
In the utility model, a central air conditioner simulator is manufactured according to the operation principle of a central air conditioner, and a large complex central air conditioner system is miniaturized to be manufactured into a pocket-sized central air conditioner simulator. Wherein, each module of the central air conditioner simulator is laid out according to the functions of main equipment of the central air conditioner and the logical structure from top to bottom, so that each module is placed in a concentrated way, the volume is minimized, so that the students can intuitively and clearly know the main structure and various functions of the central air conditioner in a small space, and is favorable for training theoretical knowledge and practice operation practice anytime and anywhere, the process of changing from theoretical learning to practice operation maintenance is quickened, and the culture speed of talents is quickened.
Preferably, the lower end of the mounting frame is provided with universal wheels (not shown) to facilitate movement of the central air conditioner simulator.
Preferably, the central air conditioner simulator further comprises a cooling tower water receiving tray 303, wherein the cooling tower water receiving tray 303 is arranged below the cooling tower 301, and the cooling tower water receiving tray 303 is used for receiving water flowing out of the cooling tower 301.
Preferably, the detection module includes two temperature control meters, two temperature sensors and two mechanical pressure gauges (not shown in the figure), and one temperature control meter, one temperature sensor and one mechanical pressure gauge are respectively disposed at the outer sides of the condenser 102 and the evaporator 101. Specifically, temperature control meters are installed above the condenser 102 and the evaporator 101, respectively, and the temperature control meters function to control the start and stop of the compressor 103 according to a set temperature, when the temperature reaches a set upper and lower temperature limit, the output contacts are turned on or off. The temperature sensors are respectively arranged at the side parts of the condenser 102 and the evaporator 101, collect real-time data of the condenser 102 and the evaporator 101 and transmit the real-time data to the temperature control instrument. Mechanical pressure gauges are respectively arranged above the condenser 102 and the evaporator 101, and whether the through water flows or not can be judged according to the pressure change, and the cooling water pump 302 and the chilled water pump 203 work normally or not.
Preferably, the electric control module comprises an electric box 401 and a circuit board, wherein the circuit board is arranged in the electric box 401, components and circuits of the circuit board are protected, and each control button is arranged outside a panel of the electric box 401, so that the operation and the starting of the central air conditioner simulator are controlled.
Preferably, the electric control module comprises a manual control mode and an automatic control mode, and the manual control module is beneficial to independently debugging and running each module and is beneficial to deep learning of students. The automatic control module can control the integral debugging and operation of the central air conditioner simulator, so that the operation problem of the small module can be found conveniently.
The beneficial effects are that: the utility model discloses a central air conditioner simulator for training, which is manufactured according to the operation principle of a central air conditioner and is manufactured by miniaturizing a large complex central air conditioner system into a pocket-sized central air conditioner simulator. Wherein, each module of the central air conditioner simulator is laid out according to the functions of main equipment of the central air conditioner and the logical structure from top to bottom, so that each module is placed in a concentrated way, the volume is minimized, so that the students can intuitively and clearly know the main structure and various functions of the central air conditioner in a small space, and is favorable for training theoretical knowledge and practice operation practice anytime and anywhere, the process of changing from theoretical learning to practice operation maintenance is quickened, and the culture speed of talents is quickened.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structural changes made by the present utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present utility model.
Claims (10)
1. The central air conditioner simulator for training is characterized by comprising a water chilling unit module, a chilled water module, a cooling water module, an electrical control module, a detection module and a mounting frame;
the mounting frame is of a four-layer square frame structure and comprises a first layer of frame, a second layer of frame, a third layer of frame and a fourth layer of frame which are sequentially arranged at intervals from top to bottom, wherein the third layer of frame can move up and down to adjust the distance between the third layer of frame and the second layer of frame and the fourth layer of frame;
the water chilling unit module comprises an evaporator, a condenser, a compressor and a throttle valve, wherein the evaporator, the condenser, the compressor and the throttle valve are respectively arranged on the fourth layer of frame, the compressor is respectively connected with the evaporator and the condenser through a through pipe, and the throttle valve is respectively connected with the evaporator and the condenser through a through pipe;
the chilled water module comprises a water tank, a fan coil and a chilled water pump, wherein the water tank is arranged on the first layer of frame, the fan coil is arranged on the third layer of frame, and the chilled water pump is arranged on the fourth layer of frame;
the cooling water module comprises a cooling tower and a cooling water pump, the cooling tower is arranged on the first layer of frame, and the cooling water pump is arranged on the fourth layer of frame;
the electric control module is arranged on the second layer of frame, the detection module is arranged on one side of the evaporator and one side of the condenser, the electric control module is respectively electrically connected with the chilled water module, the cooling water module, the electric control module and the detection module so as to supply power to the chilled water module, control the running and stopping of the central air conditioner simulator, and the detection module is used for detecting the temperature and the pressure of the evaporator and the condenser.
2. The central air conditioner simulator according to claim 1, wherein a plurality of screw holes are formed in the middle portions of four rims in the vertical direction of the installation frame, and the third layer of frame is fixed to the installation frame by means of screws and the screw holes in an adaptive manner.
3. The central air conditioner simulator of claim 2, wherein the lower end of the mounting frame is provided with universal wheels.
4. The central air conditioner simulator of claim 1, wherein the water chiller module, chilled water module and cooling water module are connected by a pipe.
5. The central air conditioner simulator of claim 4, wherein the evaporator is connected to the chilled water pump and the fan coil, respectively, by a tube, and the condenser is connected to the cooling tower and the cooling water pump, respectively, by a tube.
6. The central air conditioner simulator of claim 5, wherein the material of the tube is galvanized pipe, PE-xb pipe, PPR steady state pipe or UPVC pipe.
7. The central air conditioner simulator of claim 1, further comprising a cooling tower water pan disposed below the cooling tower.
8. The central air conditioner simulator of claim 1, wherein the detection module comprises two temperature control meters, two temperature sensors and two mechanical pressure gauges, and the outer sides of the condenser and the evaporator are respectively provided with a temperature control meter, a temperature sensor and a mechanical pressure gauge.
9. The central air conditioner simulator of claim 1, wherein the electrical control module comprises an electrical box and a circuit board, the circuit board being disposed within the electrical box.
10. The central air conditioner simulator of claim 9, wherein the electrical control module comprises a manual control mode and an automatic control mode.
Priority Applications (1)
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