CN212930257U - Air conditioning apparatus - Google Patents

Air conditioning apparatus Download PDF

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Publication number
CN212930257U
CN212930257U CN202020943377.1U CN202020943377U CN212930257U CN 212930257 U CN212930257 U CN 212930257U CN 202020943377 U CN202020943377 U CN 202020943377U CN 212930257 U CN212930257 U CN 212930257U
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China
Prior art keywords
compressor
fan
air conditioning
refrigerant
evaporator
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CN202020943377.1U
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Chinese (zh)
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庄炜茜
郭辉
田利伟
郭旭晖
李韧
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China Railway Siyuan Survey and Design Group Co Ltd
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China Railway Siyuan Survey and Design Group Co Ltd
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Abstract

The utility model is suitable for an air conditioning technology field provides an air conditioning equipment, including outer machine and interior machine, interior machine includes: the equipment cabinet is arranged in a place to be cooled; the compressor is arranged on the machine cabinet and is used for compressing the refrigerant; the heat exchange assembly is arranged on the cabinet and is used for vaporizing and absorbing heat of the refrigerant; the liquid storage tank is arranged on the machine cabinet and is used for storing the refrigerant; the first pipeline assembly is used for conveying the refrigerant to the compressor from the heat exchange assembly; the second pipeline assembly is used for conveying the refrigerant to the heat exchange assembly from the compressor; the liquid storage tank is connected in series on the second pipeline assembly, and the position of the compressor installed on the cabinet is higher than the position of the liquid storage tank. The utility model discloses in, the liquid storage pot mounted position is less than the compressor, makes the compressor can not take place wet compression, has reduced the fault rate of compressor, has improved the reliability of using.

Description

Air conditioning apparatus
Technical Field
The utility model belongs to the technical field of air conditioning, especially, relate to an air conditioning equipment.
Background
With the rapid development of communication services, more and more communication devices are installed in a base station cabinet, and the communication devices generate heat during operation. Therefore, a reliable air conditioning system is needed to cool down the communication equipment to ensure stable operation of the communication equipment over the years.
In the related art, when the air conditioning system operates, the refrigerant is easily sucked into the compressor for wet compression due to incomplete evaporation, the compressor is damaged, and the failure rate is increased.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention provides an air conditioning apparatus to solve the problem of increasing the failure rate of a compressor due to wet compression in the compressor.
In order to solve the above problem, the embodiment of the present invention provides a technical solution that:
an air conditioning apparatus comprising an outer unit and an inner unit, the inner unit comprising: the equipment cabinet is arranged in a place to be cooled; the compressor is arranged on the machine cabinet and is used for compressing the refrigerant; the heat exchange assembly is mounted on the machine cabinet and used for vaporizing and absorbing heat of the refrigerant; the liquid storage tank is arranged on the machine cabinet and is used for storing the refrigerant; a first conduit assembly for conveying the refrigerant from the heat exchange assembly to the compressor; a second conduit assembly for conveying the refrigerant from the compressor to the heat exchange assembly; the liquid storage tank is connected in series to the second pipeline assembly, and the compressor is installed on the cabinet and is higher than the liquid storage tank.
Preferably, the first pipe assembly comprises: the first connecting pipe is connected between the output port of the heat exchange assembly and the output port of the compressor, and a one-way valve is connected in series on the first connecting pipe; one end of the first parallel pipe is connected to the first connecting pipe, and the other end of the first parallel pipe is connected to an input port of the compressor; the first electromagnetic valve is connected in series with the first parallel pipe and is used for controlling the on-off of the first parallel pipe; wherein a position where the check valve is connected in series to the first connection pipe is located forward of a position where the first parallel pipe is connected to the first connection pipe in a flow direction of the refrigerant in the first connection pipe.
Preferably, the second pipeline assembly comprises a second connecting pipe connected between the output port of the compressor and the input port of the heat exchange assembly, and the liquid storage tank is connected in series with the second connecting pipe; the second electromagnetic valve is connected in series with the second connecting pipe between the output port of the liquid storage tank and the input port of the heat exchange assembly; one end of the second parallel pipe is connected to the first connecting pipe between the liquid storage tank and the second electromagnetic valve, and the other end of the second parallel pipe is connected to the second connecting pipe between the second electromagnetic valve and the heat exchange assembly; a filter connected in series to the second parallel pipe; a throttle valve connected in series to the second parallel pipe; wherein the throttle valve is located in front of the filter in a flow direction of the refrigerant in the second parallel pipe.
Preferably, the heat exchange assembly comprises: the first evaporator is connected with the cabinet; the second evaporator is fixedly connected to the machine cabinet adjacent to the first evaporator; the first pipeline assembly is communicated with an output port of the first evaporator and an output port of the second evaporator at the same time, and the second pipeline assembly is communicated with an input port of the first evaporator and an input port of the second evaporator at the same time.
Preferably, a receiving groove is formed between the first evaporator and the second evaporator in an opposite arrangement.
Preferably, the air conditioning apparatus further includes: the first fan is arranged on the machine cabinet and is positioned in the accommodating groove; the second fan is arranged on the machine cabinet and is positioned in the accommodating groove; wherein the first fan and the second fan are both used for drawing air to flow through the first evaporator and the second evaporator and blow the air into the place, and the first fan and the second fan are vertically arranged up and down.
Preferably, the width of the receiving groove is gradually increased in the air blowing direction.
Preferably, the first fan and the second fan both comprise fan blades and inner rotor motors for driving the fan blades to rotate, the air conditioning equipment further comprises a controller, and the two inner rotor motors are respectively electrically connected with the controller.
Preferably, the cabinet comprises: the frame body is used for fixedly mounting the compressor and the heat exchange assembly; the casing, inside is formed with the cavity that holds the support body, the casing with the support body links to each other.
Preferably, air outlets are respectively formed in the positions, close to the first fan and the second fan, of the shell, and a grid is installed in each air outlet.
The embodiment of the utility model provides an air conditioning equipment is provided with first pipeline subassembly and second pipeline subassembly between compressor and heat exchange assemblies to make the refrigerant can circulate and flow between compressor and heat exchange assemblies. The liquid storage tank is connected in series on the first pipeline assembly, and the position of the compressor mounted on the cabinet is higher than the position of the liquid storage tank, namely the liquid storage tank is positioned below the compressor. By the arrangement mode, when the compressor compresses the refrigerant, the liquid storage tank is lower than the compressor, so that excessive refrigerant in the liquid storage tank cannot be sucked into the compressor for wet compression, the compressor is prevented from being damaged, the failure rate of the compressor is reduced, the use reliability of the air conditioning equipment is increased, and the actual use requirement is well met.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an internal unit in an air conditioning device according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of an internal unit in an air conditioning apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first pipeline assembly provided in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second pipeline assembly provided in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an air conditioning apparatus provided in an embodiment of the present invention, in which a part of a casing of an inner unit is removed.
Description of reference numerals:
11. a cabinet; 111. a frame body; 112. a housing; 1121. a front panel; 1122. a chassis; 1123. a left panel; 1124. a rear panel; 1125. a top panel; 1126. a right panel; 12. a compressor; 13. a heat exchange assembly; 131. a first evaporator; 132. a second evaporator; 133. accommodating grooves; 14. a liquid storage tank; 15. a first conduit assembly; 151. a first connecting pipe; 152. a one-way valve; 153. a first parallel pipe; 154. a first solenoid valve; 16. a second pipe assembly; 161. a second connecting pipe; 162. a second solenoid valve; 163. a second parallel pipe; 164. a filter screen; 165. a throttle valve; 17a, a first fan; 17b, a second fan; 171. a fan blade; 172. an inner rotor motor; 18. a mounting frame; 19. an air inlet; 20. a filter screen; 21. an air outlet; 22. A grid; 23. a controller; 24. a display.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The individual features described in the embodiments can be combined in any suitable manner without departing from the scope, for example different embodiments and aspects can be formed by combining different features. In order to avoid unnecessary repetition, various combinations of the specific features of the present invention are not described separately.
An embodiment of the utility model provides a pair of air conditioning equipment for the place of treating the cooling carries out temperature regulation, makes the temperature in the place controllable, keeps in the temperature range who satisfies the user demand. The air conditioning equipment comprises an outer machine and an inner machine, wherein the outer machine is installed outside a place, the inner machine is installed in the place, and the installation position of the outer machine is higher than that of the inner machine. The outdoor unit mainly comprises a condenser and a condensing fan and is used for cooling the refrigerant.
As shown in fig. 1 and 2, the internal unit of the air conditioning apparatus includes a cabinet 11, a compressor 12, a heat exchange assembly 13, a reservoir tank 14, a first pipe assembly 15, and a second pipe assembly 16. The cabinet 11 is disposed in a place to be cooled, and may be fixedly installed on a sidewall of the place or may be directly placed on the ground. The inside of this rack 11 has the space that holds, and compressor 12, heat exchange assemblies 13, liquid storage pot 14, first pipeline subassembly 15 and second pipeline subassembly 16 all distribute in the inside of rack 11 according to the assembly demand. The compressor 12 is used for compressing the refrigerant, the heat exchange assembly 13 is used for vaporizing the refrigerant to achieve the purpose of absorbing heat, and the liquid storage tank 14 is used for storing the refrigerant. The method specifically comprises the following steps: the first pipeline assembly 15 is connected between the output port of the heat exchange assembly 13 and the input port of the compressor 12, and the first pipeline assembly 15 is used for conveying the refrigerant output from the heat exchange assembly 13 into the compressor 12; a second pipe assembly 16 is connected between the output of the compressor 12 and the input of the heat exchange assembly 13, the second pipe assembly 16 is used for inputting the refrigerant output from the compressor 12 into the surrounding assembly; a receiver tank 14 is connected in series with the second tube assembly 16 for storing refrigerant to provide sufficient refrigerant throughout the tube. A condenser is also connected in series with the second tube assembly 16 and the condenser and condenser fan cooperate to dissipate heat from the refrigerant. In actual work, the compressor 12 compresses the gaseous refrigerant into a high-temperature high-pressure liquid refrigerant, and then sends the high-temperature high-pressure liquid refrigerant to the condenser, the liquid refrigerant is radiated to become a normal-temperature high-pressure liquid refrigerant through the effect of the condenser and the condensing fan, the liquid refrigerant enters the liquid storage tank 14 through the pipeline and then flows into the heat exchange assembly 13, and the heat exchange assembly 13 is internally provided with a plurality of microchannel pipelines, the space of the liquid refrigerant after flowing into is suddenly increased, the pressure is reduced, the liquid refrigerant is vaporized to become the gaseous low-temperature refrigerant, so that a large amount of heat can be absorbed, further, the air is blown over the heat exchange assembly 13 and is changed into cold air through heat absorption, and the gaseous low-temperature refrigerant returns to the compressor 12 again through the first pipeline assembly 15 to continue to be compressed. During operation, too much refrigerant, and not completely vaporized refrigerant, is stored in the receiver tank 14. In the embodiment of the present invention, the position where the compressor 12 is installed on the cabinet 11 is higher than the position where the liquid storage tank 14 is installed. Thus, the position of the compressor 12 is higher than that of the liquid storage tank 14, so that when the compressor 12 performs refrigerant compression treatment, excessive refrigerant in the liquid storage tank 14 can be prevented from being sucked by the compressor 12 to perform wet compression, the compressor 12 can be prevented from being damaged, the failure rate of the compressor 12 is reduced, and the use reliability of the air conditioning equipment is improved.
As shown in fig. 2 and 3, in one possible embodiment, the first pipe assembly 15 includes a first connection pipe 151, a first parallel pipe 153, and a first solenoid valve 154. The first connection pipe 151 is connected between an output port of the heat exchange module 13 and an output port of the compressor 12, and a check valve 152 is connected in series to the first connection pipe 151. One end of the first parallel pipe 153 is connected to the first connection pipe 151, and the other end is connected to an input port of the compressor 12; the first solenoid valve 154 is connected in series to the first parallel pipe 153, and the first solenoid valve 154 is used to control the on/off of the first parallel pipe 153. Specifically, the position of the check valve 152 connected in series to the first connection pipe 151 is located in front of the position where the first parallel pipe 153 is connected to the first connection pipe 151 in the flow direction of the refrigerant in the first connection pipe 151. With such an arrangement, when the air conditioning apparatus is in a mechanical refrigeration state, the first electromagnetic valve 154 is in an open state, and the refrigerant output from the heat exchange assembly 13 enters the first connection pipe 151, flows into the first parallel pipe 153, passes through the first electromagnetic valve 154, enters the compressor 12, is compressed in the compressor 12, passes through the output port of the compressor 12, and finally enters the second pipeline assembly 16. When the air conditioning equipment is in the heat pipe refrigeration state, the first electromagnetic valve 154 is in the closed state, and at this time, the refrigerant output from the heat exchange assembly 13 enters the first connecting pipe 151, passes through the check valve 152, and enters the second pipeline assembly 16, and in the heat pipe refrigeration state, the compressor 12 does not need to be started, so that the purpose of energy saving can be achieved.
As shown in fig. 2 and 4, in one possible embodiment, the second pipe assembly 16 includes a second connection pipe 161, a second solenoid valve 162, a second parallel pipe 163, a filter 164, and a throttle valve 165. The second connecting pipe 161 is connected between the output port of the compressor 12 and the input port of the heat exchange assembly 13, and the liquid storage tank 14 is connected in series to the second connecting pipe 161; the second electromagnetic valve 162 is connected in series to a second connecting pipe 161 between the output port of the liquid storage tank 14 and the input port of the heat exchange assembly 13; and one end of the second parallel pipe 163 is connected to the first connection pipe 151 between the reservoir tank 14 and the second solenoid valve 162, and the other end is connected to the second connection pipe 161 between the second solenoid valve 162 and the heat exchange module 13, and both the filter 164 and the throttle valve 165 are connected in series to the second parallel pipe 163, and the throttle valve 165 is disposed on the second parallel pipe 163 at a position in front of the filter 164 in the flow direction of the refrigerant in the second parallel pipe 163, i.e., the refrigerant flowing in the second parallel pipe 163 enters the filter 164, is filtered by the filter 164, and then enters the throttle valve 165. With this arrangement, when the air conditioning apparatus is in the mechanical cooling state, the second solenoid valve 162 is in the closed state, and the refrigerant flowing out of the liquid storage tank 14 passes through the filter 164 and the throttle valve 165 and is then introduced into the heat exchange unit 13. When the air conditioning apparatus is in the heat pipe cooling state, the second solenoid valve 162 is in the open state, and the refrigerant flowing out of the liquid storage tank 14 passes through the second solenoid valve 162 and is then input into the heat exchange assembly 13. By the arrangement, the refrigerant has different flow paths in different working modes, and the use requirements in different working modes are met. Preferably, throttle 165 is an electronic expansion valve.
In practical applications, the operation mode of the air conditioning equipment in the mechanical cooling state or in the heat pipe cooling state needs to be executed according to the current temperature state. Specifically, the current temperature inside the room is detected by the temperature sensor, and if the temperature inside the room is higher than the set temperature required inside the room and lower than the temperature outside the room, the air conditioning equipment is in a mechanical refrigeration state. If the temperature in the place is higher than the set temperature needed in the place and is higher than the temperature outside the place by a certain value, the air conditioning equipment is in a heat pipe refrigeration state, and under the heat pipe refrigeration state, the refrigerant flows under the action of gravity, and the high-energy-consumption compressor 12 does not need to be started, so that the aim of saving energy can be achieved. The temperature required to be set in the site is the temperature required for ensuring the normal operation of the communication equipment in the site.
As shown in fig. 2 and 5, in the embodiment of the present invention, the heat exchange assembly 13 (see fig. 2) includes a first evaporator 131 and a second evaporator 132. The first evaporator 131 is connected to the cabinet 11; the second evaporator 132 is fixedly connected to the cabinet 11 adjacent to the first evaporator 131. The two evaporators are arranged for refrigeration, so that the refrigeration efficiency is improved. And is arranged such that first conduit assembly 15 is in communication with both the output of first evaporator 131 and the output of second evaporator 132, and second conduit assembly 16 is in communication with both the input of first evaporator 131 and the input of second evaporator 132. Specifically, the first connection pipe 151 is simultaneously communicated with the output port of the first evaporator 131 and the output port of the second evaporator 132, so that the refrigerant flowing out of the output port of the first evaporator 131 and the second evaporator 132 can be introduced into the first connection pipe 151. Similarly, the second connection pipe 161 is simultaneously connected to the input port of the first evaporator 131 and the input port of the second evaporator 132, so that the refrigerant in the second connection pipe 161 can be distributed to the first evaporator 131 and the second evaporator 132 for use.
Specifically, the first evaporator 131 and the second evaporator 132 are disposed in a symmetrical distribution, and preferably in a V-shaped symmetrical distribution. Moreover, a receiving groove 133 is formed between the first evaporator 131 and the second evaporator 132 to receive the cool air flowing out from the first evaporator 131 and the second evaporator 132.
In the embodiment of the present invention, the refrigerant is preferably an environmental protection refrigerant R410a or R134a (specification type of refrigerant). First evaporimeter 131 and second evaporimeter 132 adopt the parallel flow microchannel heat exchanger, and the both ends of parallel flow microchannel heat exchanger all are equipped with the pressure manifold, are equipped with a plurality of flat pipes that form the microchannel and arrange the distribution between, and the vertical arrangement of every flat pipe, are provided with radiating fin between each flat pipe.
As shown in fig. 2 and 5, the air conditioning apparatus further includes a first fan 17a and a second fan 17 b. The first fan 17a and the second fan 17b are both mounted on the cabinet 11, and are both located in the accommodating groove 133. The first fan 17a and the second fan 17b are each for drawing an air flow to be able to flow through the first evaporator 131 and the second evaporator 132 and blow into the site. Specifically, the first fan 17a and the second fan 17b are vertically arranged up and down. Like this, realized through two evenly distributed's fan suction air, made the air can be evenly blown to the place of waiting to cool down after first evaporimeter 131 and second evaporimeter 132 to improve the homogeneity of air conditioning equipment air-out, and then promoted and used this air conditioning equipment to carry out the reliability of cooling to the place.
In a possible embodiment, by arranging the accommodating groove 133 in the air blowing direction, the width of the accommodating groove 133 is gradually increased, and the first fan 17a and the second fan 17b are located at the maximum position where the accommodating groove 133 is opened. Like this, along with the increase of holding tank 133 area, play the effect of holding the buffer memory air, make first fan 17a and second fan 17b can have more sufficient air to aspirate, and then can promote the homogeneity of air-out. Moreover, along with the increase of the area of the accommodating groove 133, the speed of the flowing air is reduced, so that the air can be fully contacted with the heat exchange assembly 13 to absorb heat and reduce the temperature, and the effect of absorbing heat and refrigerating the air is improved.
As shown in fig. 2 and 5, in a possible embodiment, the inner machine further comprises a mounting frame 18. Specifically, because vertically arrange first fan 17a and second fan 17b from top to bottom in holding tank 133, for the convenience of the installation of first fan 17a and second fan 17b, the adoption is provided with mounting bracket 18 in holding tank 133 to with mounting bracket 18 and cabinet body coupling. Like this, during the installation, all fix first fan 17a and second fan 17b on mounting bracket 18 can, simple to operate nature is good. In addition, the positions of the first fan 17a and the second fan 17b fixed on the mounting frame 18 can be adjusted, so that the mounting positions of the first fan 17a and the second fan 17b can be adjusted as required, and the uniformity of the outlet air is further improved.
As shown in fig. 2 and 5, in one possible embodiment, each of the first fan 17a and the second fan 17b includes a fan blade 171 and an inner rotor motor 172 for driving the fan blade 171 to rotate, and the two inner rotor motors 172 are respectively fixed on the mounting frame 18. Specifically, the first fan 17a and the second fan 17b are both ac fans, and preferably, the fan blade 171 is an axial flow fan blade 171, and the fan blade 171 is a plastic fan blade 171, so that no rust is generated, the weight is light, and the reliability is high. The inner rotor motor 172 is a single-phase asynchronous inner rotor motor 172 with multiple rotating speeds, has a reliable waterproof function, also has the advantage of low rotating noise, and well meets the use requirements. In other embodiments, an ac fan may be replaced by an EC (electrical communication) fan with an adjustable rotation speed, where the EC fan refers to an axial flow fan that uses a digital brushless dc external rotor motor, and can also reliably meet the use requirement.
As shown in fig. 1 and 2, in one possible embodiment, the cabinet 11 includes a frame 111 and a housing 112. The frame body 111 is a main force bearing part and is used for fixedly connecting the heat exchange assembly 13 and the mounting frame 18. And the housing 112 is coupled to the frame body 111, and a cavity for receiving the frame body 111 is formed inside the housing 112. Thus, the shell 112 and the frame 111 are connected to form the overall profile of the heat exchanger. The heat exchange assembly 13, the first fan 17a and the second fan 17b are fixed inside the casing 112. Specifically, the housing 112 includes a front panel 1121, a bottom chassis 1122, a left panel 1123, a rear panel 1124, a top cover 1125, and a right panel 1126, wherein one side of the front panel 1121 is hinged to the left panel 1123 through a hinge, and the other side of the front panel 1121 is cooperatively connected to the right panel 1126 through a cabinet lock, so as to open or close the front panel 1121. The left panel 1123 and the rear panel 1124 are vertically and fixedly connected to two opposite sides of the rear panel 1124, respectively, the top cover 1125 is fixedly connected to the top end portion of the left panel 1123, the top end portion of the right panel 1126 and the top end portion of the rear panel 1124, respectively, and the bottom end portion of the left panel 1123, the bottom end of the right panel 1126 and the bottom end of the rear panel 1124 are fixedly connected to the chassis 1122. Meanwhile, at least the left panel 1123, the rear panel 1124 and the right panel 1126 are coupled to the frame body 111 to improve the stability and reliability of the overall coupling. Through the above arrangement and connection, the arrangement of the entire structure of the cabinet 11 is completed.
As shown in fig. 1 and 2, in a possible embodiment, air inlets 19 are respectively formed in the housing 112 at positions close to the first evaporator 131 and the second evaporator 132, and a filter screen 20 is installed in each air inlet 19. Specifically, air inlets 19 for air to enter are respectively formed in the left panel 1123, the rear panel 1124 and the right panel 1126, and a filter screen 20 is installed in each air inlet 19 for filtering. The air supply through the plurality of air inlets 19 ensures the air supply amount, can meet the use requirement of mounting the cabinet 11 close to the wall, and cannot cause unsmooth air inlet of the air inlets 19 to influence the refrigeration effect.
As shown in fig. 1 and 2, in a possible embodiment, air outlets 21 are respectively opened on the housing 112 near the first fan 17a and the second fan 17b, and a grille 22 is installed in each air outlet 21. Specifically, the air outlet 21 is provided on the front panel 1121, and since the number of the fans is two, the air outlet 21 is provided at a position of the front panel 1121 corresponding to the first fan 17a and the second fan 17b, and a grille 22 is installed in each air outlet 21. By the arrangement mode, the air outlet 21 is opposite to the fan, so that air outlet is smooth. Moreover, the air outlet 21 is located on the front panel 1121, the air inlet 19 is located on the left panel 1123, the rear panel 1124 and the right panel 1126, and the air inlet 19 is far away from the air outlet 21, so that short circuit of air flow is avoided, and stable and reliable air outlet is realized.
The embodiment of the utility model provides an air conditioning equipment, whole air conditioning equipment's operation carries out program control through controller 23, and simultaneously, this air conditioner still is provided with temperature sensor, and temperature sensor also is connected with controller 23 electricity. When refrigeration is needed, the temperature sensor detects the ambient temperature and generates a temperature signal to the controller 23, and the controller 23 determines whether to start the refrigeration mode according to the temperature signal. Specifically, if the outdoor temperature T is greater than or equal to T1, the controller 2321 controls the rotation speed of the inner rotor motor 172 to rotate the fan blade 171 at the highest rotation speed n 1; if the outdoor temperature T2 is not less than T < T1, the controller 2321 controls the rotation speed of the inner rotor motor 172 to rotate the fan blade 171 at the intermediate rotation speed n 2; if the outdoor temperature T is less than T2, the controller 23 controls the rotation speed of the inner rotor motor 172 to rotate the fan blade 171 at a low rotation speed n3 (where T1, T2, n1, n2, and n3 are all parameters set according to the actual heat dissipation requirement of the machine room).
As shown in fig. 1 and 2, the air conditioning apparatus further includes a power meter and a display 24. The power meter is mounted on the cabinet 11 and electrically connected to the controller 23, and the power meter is used for measuring the amount of power used. Specifically, the electric energy meter can count the electric energy consumption of the whole air conditioner, and the electric energy meter can also communicate with an external remote monitoring computer through a communication port (such as RS485/RS232, RS485/RS232 indicates the specification and model of the communication port) of the controller 23, so that the electric quantity data counted by the electric energy meter can be transmitted to the remote monitoring computer in real time, the single electric consumption can be intuitively known, the energy saving rate of the air conditioner can be directly calculated, the air conditioner can automatically and independently count the electric consumption, the intellectualization is realized, and the convenience of electric energy consumption counting is improved. The display 24 is mounted on the front panel 1121 for displaying the operation state of the air conditioner, such as an operation mode, an operation temperature, and the like, so as to improve convenience of use.
The embodiment of the utility model provides an air conditioning equipment adopts and is higher than the position that liquid storage pot 14 installed with the position that compressor 12 installed on rack 11, and liquid storage pot 14 is located the below of compressor 12 promptly. Thus, when the compressor 12 compresses the refrigerant, because the liquid storage tank 14 is lower than the compressor 12, the excessive refrigerant in the liquid storage tank 14 can not be sucked into the compressor 12 for wet compression, and the compressor 12 is prevented from being damaged, thereby reducing the failure rate of the compressor 12, increasing the use reliability of the air conditioning equipment and well meeting the requirements of practical use.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. An air conditioning apparatus comprising an outer unit and an inner unit, characterized in that the inner unit includes:
the equipment cabinet is arranged in a place to be cooled;
the compressor is arranged on the machine cabinet and is used for compressing the refrigerant;
the heat exchange assembly is mounted on the machine cabinet and used for vaporizing and absorbing heat of the refrigerant;
the liquid storage tank is arranged on the machine cabinet and is used for storing the refrigerant;
a first conduit assembly for conveying the refrigerant from the heat exchange assembly to the compressor;
a second conduit assembly for conveying the refrigerant from the compressor to the heat exchange assembly;
the liquid storage tank is connected in series to the second pipeline assembly, and the compressor is installed on the cabinet and is higher than the liquid storage tank.
2. The air conditioning unit of claim 1, wherein the first duct assembly comprises:
the first connecting pipe is connected between the output port of the heat exchange assembly and the output port of the compressor, and a one-way valve is connected in series on the first connecting pipe;
one end of the first parallel pipe is connected to the first connecting pipe, and the other end of the first parallel pipe is connected to an input port of the compressor;
the first electromagnetic valve is connected in series with the first parallel pipe and is used for controlling the on-off of the first parallel pipe;
wherein a position where the check valve is connected in series to the first connection pipe is located forward of a position where the first parallel pipe is connected to the first connection pipe in a flow direction of the refrigerant in the first connection pipe.
3. The air conditioning unit of claim 2, wherein the second duct assembly comprises:
the second connecting pipe is connected between the output port of the compressor and the input port of the heat exchange assembly, and the liquid storage tank is connected in series with the second connecting pipe;
the second electromagnetic valve is connected in series with the second connecting pipe between the output port of the liquid storage tank and the input port of the heat exchange assembly;
one end of the second parallel pipe is connected to the first connecting pipe between the liquid storage tank and the second electromagnetic valve, and the other end of the second parallel pipe is connected to the second connecting pipe between the second electromagnetic valve and the heat exchange assembly;
a filter connected in series to the second parallel pipe;
a throttle valve connected in series to the second parallel pipe;
wherein the throttle valve is located in front of the filter in a flow direction of the refrigerant in the second parallel pipe.
4. The air conditioning unit of claim 1, wherein the heat exchange assembly comprises:
the first evaporator is connected with the cabinet;
the second evaporator is fixedly connected to the machine cabinet adjacent to the first evaporator;
the first pipeline assembly is communicated with an output port of the first evaporator and an output port of the second evaporator at the same time, and the second pipeline assembly is communicated with an input port of the first evaporator and an input port of the second evaporator at the same time.
5. The air conditioning apparatus as claimed in claim 4, wherein a receiving groove is formed between the first evaporator and the second evaporator in an opposed arrangement.
6. The air conditioning apparatus according to claim 5, characterized in that the air conditioning apparatus further comprises:
the first fan is arranged on the machine cabinet and is positioned in the accommodating groove;
the second fan is arranged on the machine cabinet and is positioned in the accommodating groove;
wherein the first fan and the second fan are both used for drawing air to flow through the first evaporator and the second evaporator and blow the air into the place, and the first fan and the second fan are vertically arranged up and down.
7. The air conditioning apparatus of claim 6, wherein the width of the accommodating groove gradually increases in the direction of air blowing.
8. The air conditioning unit of claim 7, wherein the first fan and the second fan each include a fan blade and an inner rotor motor for driving the fan blade to rotate, the air conditioning unit further comprising a controller, and wherein the two inner rotor motors are electrically connected to the controller, respectively.
9. The air conditioning apparatus according to any one of claims 6 to 7, wherein the cabinet includes:
the frame body is used for fixedly mounting the compressor and the heat exchange assembly;
the casing, inside is formed with the cavity that holds the support body, the casing with the support body links to each other.
10. The air conditioning device according to claim 9, wherein air outlets are respectively formed in the housing at positions close to the first fan and the second fan, and a grille is installed in each air outlet.
CN202020943377.1U 2020-05-27 2020-05-27 Air conditioning apparatus Active CN212930257U (en)

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CN212930257U true CN212930257U (en) 2021-04-09

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