A water chiller

Abstract

The application discloses a water chiller, and relates to the technical field of refrigeration equipment, which comprises a mounting frame, wherein the mounting frame comprises an upper accommodating cavity and a lower accommodating cavity which are arranged in a top-bottom mode along a first direction; the water chiller further comprises a condensing fan, a dry cooler and a condenser which are arranged in a stacking mode along a second direction in the upper accommodating cavity, and a plate heat exchanger, an expansion tank, a circulating pump and a compressor which are arranged in a side-by-side mode along a third direction in the lower accommodating cavity; the first direction, the second direction and the third direction are perpendicular to each other. The components of the water chiller are divided into two parts, the two parts are arranged in a top-bottom mode in the mounting frame, and each part is arranged in a stacking or side-by-side mode according to the shape, so that the components of the water chiller can be compactly arranged in the mounting frame, the arrangement is more reasonable, the size of the water chiller can be reduced to a certain extent, and the water chiller occupies less space.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of refrigeration equipment, in particular to a water chiller. BACKGROUND

[0002] The water chiller evaporates the refrigerant with low temperature and low pressure through the evaporator to absorb the heat in the surrounding environment, the refrigerant becomes high-temperature and high-pressure gas after compression, releases heat in the condenser and is converted into liquid, and then the liquid refrigerant enters the evaporator again through the expansion valve to circulate the process, so as to realize refrigeration.

[0003] In the implementation of the present application, the inventors found that at least the following technical problems exist in the prior art: the existing water chiller has unreasonable internal structure layout, resulting in large overall volume and large space occupation. SUMMARY

[0004] Therefore, the purpose of the present application is to provide a water chiller, in which each component is arranged in the installation frame in a top-down distribution manner and arranged in a stacked or side-by-side manner, the layout of the whole set of machine is relatively compact, and the technical problem of large space occupation of the existing water chiller is effectively solved.

[0005] To achieve the above-mentioned purpose, the present application provides a water chiller, comprising an installation frame, the installation frame comprising an upper accommodating cavity and a lower accommodating cavity distributed in a top-down manner along a first direction; further comprising a condensing fan, a dry cooler and a condenser stacked in the upper accommodating cavity along a second direction in sequence, and a plate heat exchanger, an expansion tank, a circulating pump and a compressor arranged in the lower accommodating cavity along a third direction in sequence; the first direction, the second direction and the third direction are perpendicular to each other.

[0006] Preferably, the water chiller further comprises an upper pipe heater and a lower pipe heater distributed on both sides of the expansion tank along the first direction.

[0007] Preferably, the water chiller further comprises an expansion water tank, the expansion water tank being located above the expansion tank; the expansion water tank and the plate heat exchanger are distributed along the second direction.

[0008] Preferably, a left side plate is fixedly arranged on one side of the lower accommodating cavity, and one end of the expansion water tank is fixedly arranged on the left side plate; the upper pipe heater is fixedly connected to the side of the expansion water tank away from the left side plate.

[0009] Preferably, a back side plate is fixedly arranged on the back of the lower accommodating cavity, and the expansion tank and the circulating pump are fixedly arranged on the back side plate.

[0010] Preferably, a bottom side plate is fixedly arranged on the bottom of the lower accommodating cavity, and the plate heat exchanger, the lower pipe heater and the compressor are fixedly arranged on the bottom side plate.

[0011] Preferably, the mounting frame includes a front frame and a rear frame arranged parallel to each other along the second direction, a bearing plate is fixed between the front frame and the rear frame, and an upper accommodating cavity and a lower accommodating cavity are respectively provided on both sides of the bearing plate; the bearing plate is provided with forklift holes.

[0012] Preferably, a fixed plate is fixedly provided inside the upper accommodating cavity; a condensing fan and a condenser are respectively provided on both sides of the fixed plate; the condensing fan includes an upper fan and a lower fan distributed vertically along the first direction, and both the upper fan and the lower fan are fixedly provided on the fixed plate.

[0013] Preferably, an exhaust valve is fixed on the side of the fixed plate away from the condenser, and the exhaust valve is connected to the top of the dry cooler.

[0014] Preferably, it also includes an inlet pipe and an outlet pipe fixed at the bottom of the lower accommodating cavity, and a circulation pump fixed directly above the inlet pipe.

[0015] Compared with the prior art, the chiller unit provided by the present invention has at least the following beneficial effects:

[0016] This invention optimizes the structure of the mounting frame for chiller units. The optimized mounting frame includes an upper and a lower accommodating cavity distributed vertically along a first direction. The condenser fan, dry cooler, and condenser are stacked sequentially in the upper accommodating cavity along a second direction, while the plate heat exchanger, expansion tank, circulating pump, and compressor are arranged side-by-side in the lower accommodating cavity along a third direction. In other words, the components of the chiller unit are divided into two parts, which are arranged vertically within the mounting frame. Each part is arranged according to its shape, either stacked or side-by-side, allowing the components of the chiller unit to be compactly arranged within the mounting frame. This more rational arrangement reduces the size of the chiller unit to a certain extent, resulting in a smaller footprint. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0018] Figure 1 This is a front view of a chiller unit provided in a specific embodiment of the present invention;

[0019] Figure 2 for Figure 1 Axonometric view;

[0020] Figure 3 This is a schematic diagram of the working principle of a chiller unit provided in a specific embodiment of the present invention.

[0021] The attached figures are labeled as follows:

[0022] mounting frame 11, condensing fan 12, desiccant cooler 13, condenser 14, plate heat exchanger 15, expansion tank 16, circulating pump 17, compressor 18, upper pipe heater 19, lower pipe heater 20, expansion tank 21, exhaust valve 22, liquid inlet pipe 23, liquid outlet pipe 24, first branch pipe 25, second branch pipe 26, control valve 27, third branch pipe 28 and expansion valve 29;

[0023] upper accommodating cavity 111, lower accommodating cavity 112, left side plate 113, back side plate 114, bottom side plate 115, front frame 116, rear frame 117, bearing plate 118 and fixing plate 119;

[0024] forklift hole 1181;

[0025] upper fan 121 and lower fan 122. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be apparently 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 a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0027] In order to enable the person in the technical field to better understand the present application, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0028] The embodiments of the present application disclose a water chiller, as shown in the accompanying drawings, which comprises a mounting frame 11. Figure 1 and 2 As shown, the mounting frame 11 comprises an upper accommodating cavity 111 and a lower accommodating cavity 112 which are arranged in an up-down manner along a first direction, the upper accommodating cavity 111 and the lower accommodating cavity 112 are independent of each other, the arrangement modes of the components inside the two are different, on the basis of meeting the design requirement of thinning, the layout of the components in the upper accommodating cavity 111 also needs to meet the design requirement of large air volume, and the layout of the components in the lower accommodating cavity 112 also needs to meet the design requirement of convenient maintenance.

[0029] It should be noted that the upper accommodating cavity 111 is a non-closed structure, which ensures that the top and both sides of the water chiller can be ventilated, significantly reduces the air resistance, improves the overall air volume, reduces the overall noise level, and realizes efficient refrigeration and energy saving in a limited space. The lower accommodating cavity 112 is a closed structure surrounded by multiple side plates, which ensures that the whole set of units has good waterproof performance.

[0030] The water chiller further comprises a condensing fan 12, a dry cooler 13 and a condenser 14 which are sequentially stacked in the second direction in the upper accommodating cavity 111; considering that the dry cooler 13 and the condenser 14 are both plate structures, the components in the upper accommodating cavity 111 are arranged in a stacked manner, which can reduce the length or width of the water chiller as a whole, is more compact in layout and occupies less space.

[0031] Further, the water chiller further comprises a plate heat exchanger 15, an expansion tank 16, a circulating pump 17 and a compressor 18 which are sequentially and side by side arranged in the third direction in the lower accommodating cavity 112; that is, the components in the lower accommodating cavity 112 are arranged in a side by side manner, which makes full use of the space of the lower accommodating cavity 112, is more compact in layout, occupies less space, can avoid overlapping of components to increase maintenance difficulty and is convenient for maintenance.

[0032] The first direction, the second direction and the third direction are perpendicular to each other. It should be noted that the first direction in the specification refers to the length direction of the mounting rack 11, specifically refers to the Z axis in the attached Figure 2 ; the second direction refers to the thickness direction of the mounting rack 11, specifically refers to the Y axis in the attached Figure 2 ; and the third direction refers to the width direction of the mounting rack 11, specifically refers to the X axis in the attached Figure 2 .

[0033] In summary, the components of the water chiller are mainly divided into two parts, which are arranged in the mounting rack 11 in a top-down manner, and each part is arranged in a stacked or side by side manner according to the shape, so that the components of the water chiller can be compactly arranged in the mounting rack 11, the layout is more reasonable, the size of the water chiller can be reduced to a certain extent, and the occupied space is smaller.

[0034] The water chiller further comprises an upper pipe heater 19 and a lower pipe heater 20 which are distributed on both sides of the expansion tank 16 along the first direction, that is, the upper pipe heater 19 and the lower pipe heater 20 are arranged on the upper and lower sides of the expansion tank 16 in a top-down manner, which can not only keep the two pipe heaters and other components at a proper distance to avoid affecting the installation of other components and facilitate the daily maintenance and detection of the pipe heaters, but also make full use of the space of the lower accommodating cavity 112 to achieve compact layout and effectively reduce the occupied space. In this way, the number of components in the water chiller is reduced, the layout is simple, the assembly is more convenient, and thin design can be achieved.

[0035] The water chiller further comprises an expansion water tank 21 which is located above the expansion tank 16; the expansion water tank 21 and the plate heat exchanger 15 are distributed along the second direction, which not only optimizes the liquid supplementing effect, but also enables the expansion water tank 21 to effectively utilize the space at the upper left of the lower accommodating cavity 112, so that the layout is more compact, the space is more saved, the occupied space is naturally reduced, and the maintenance is more convenient.

[0036] The left side plate 113 is fixed on one side of the lower accommodating cavity 112, and one end of the expansion water tank 21 is fixed on the left side plate 113, so as to ensure that the expansion water tank 21 is fixed firmly. The upper pipeline heater 19 is fixed on the side of the expansion water tank 21 away from the left side plate 113, so as to optimize the liquid supplementing effect under the premise of meeting the compact layout. In addition, the right side plate is fixed on the other side of the lower accommodating cavity 112, and the left side plate 113 and the right side plate are parallel to each other, and the left side plate 113 and the right side plate block the left side and the right side of the lower accommodating cavity 112 respectively.

[0037] The back side plate 114 is fixed on the back of the lower accommodating cavity 112, and the expansion tank 16 and the circulating pump 17 are fixed on the back side plate 114, so as to ensure that the expansion tank 16 and the circulating pump 17 are fixed firmly and realize compact layout. Specifically, the back of the expansion tank 16 and the back of the circulating pump 17 are both fixed with connecting seats, and the connecting seats and the back side plate 114 adopt an adjustable structure; that is, the back side plate 114 is provided with a plurality of groups of mounting holes, the connecting seats are fixed with one group of mounting holes by means of bolts, and the mounting positions of the connecting seats on the back side plate 114 are adjusted, so as to flexibly adjust the fixed positions of the expansion tank 16 and the circulating pump 17 on the back side plate 114, to compensate for the assembly error of each component, to improve the assembly precision, and to avoid interference in the assembly process of each component. The front side of the lower accommodating cavity 112 is provided with a split door, which can protect each component in the lower accommodating cavity 112, so that the whole set of unit has high waterproof performance, and facilitates the maintenance of each component in the lower accommodating cavity 112.

[0038] The bottom side plate 115 is fixed on the bottom of the lower accommodating cavity 112, and the plate heat exchanger 15, the lower pipeline heater 20 and the compressor 18 are fixed on the bottom side plate 115, so as to ensure that the three are fixed firmly. In order to avoid the lower pipeline heater 20 contacting the bottom side plate 115, the bottom of the lower pipeline heater 20 is fixed with a heat insulation seat, the heat insulation seat is fixed on the bottom side plate 115 by means of bolts, so as to avoid reducing the heat transfer of the lower pipeline heater 20 to the mounting frame 11, and to provide stable support for the lower pipeline heater 20. Of course, the plate heat exchanger 15 can also be fixed on the bottom side plate 115 by means of the heat insulation seat, so as to avoid scalding caused by the high temperature of the mounting frame 11. In addition, the compressor 18 can be fixed on the bottom side plate 115 by means of a damping seat, so as to reduce the noise generated in the operation process of the compressor 18.

[0039] The mounting rack 11 comprises a front frame 116 and a rear frame 117 arranged in parallel along the second direction, and a bearing plate 118 fixed between the front frame 116 and the rear frame 117, the bearing plate 118 being located in the middle of the front frame 116 and the rear frame 117, dividing the space between the front frame 116 and the rear frame 117 into two, forming an upper accommodating cavity 111 and a lower accommodating cavity 112, wherein the upper accommodating cavity 111 and the lower accommodating cavity 112 are respectively arranged on both sides of the bearing plate 118. In addition, the desiccant cooler 13, the condenser 14 and the fixing plate 119 can be fixed on the bearing plate 118, so that the bearing plate 118 provides support for the three. The bearing plate 118 is arranged in the middle of the mounting rack 11, ensuring that the center of gravity of the whole set of units falls on the bearing plate 118, and the thickness of the bearing plate 118 is relatively thick. The bearing plate 118 is provided with a forklift hole 1181 penetrating along the second direction, which facilitates the use of a forklift to transport the heavy water chiller, and avoids the accident of the water chiller tipping over due to unstable center of gravity during transportation. Specifically, the front frame 116 and the rear frame 117 are both rectangular frames.

[0040] In addition, the bottom of the lower accommodating cavity 112 is provided with a reinforcing plate on both sides, which is used to improve the connection strength between the front frame 116 and the rear frame 117. The reinforcing plate is provided with a structure hole penetrating along the third direction, which facilitates the palm or clamp to pass through the structure hole to lift the whole set of units.

[0041] The upper accommodating cavity 111 is fixed with a fixing plate 119; the condensing fan 12 and the condenser 14 are arranged on both sides of the fixing plate 119; the condensing fan 12 comprises an upper fan 121 and a lower fan 122 arranged in an upper and lower distribution along the first direction, and the upper fan 121 and the lower fan 122 are both fixed on the fixing plate 119. The two fans are arranged in an upper and lower symmetrical manner, which ensures uniform distribution of airflow and structural stability of the whole set of units, increases air volume output, reduces energy consumption, and improves the working efficiency of the water chiller. The arrangement of the condensing fan 12 enables the whole set of units to integrate natural cooling technology, which provides cooling capacity by utilizing the low temperature of the environment, ensuring cooling performance while achieving higher energy utilization.

[0042] The fixing plate 119 is fixed with an exhaust valve 22 on the side away from the condenser 14, the exhaust valve 22 being in communication with the top of the desiccant cooler 13 and being dedicated to the desiccant cooler 13. The exhaust valve 22 guides the gas to be discharged at the highest position of the desiccant cooler 13 to the front of the fixing plate 119, which not only ensures excellent exhaust performance of the desiccant cooler 13, but also facilitates front replacement and maintenance of the exhaust valve 22 without the need to disassemble the fixing plate 119 and the condenser 14, thereby being more convenient and efficient.

[0043] The water chiller further comprises a liquid inlet pipe 23 and a liquid outlet pipe 24 fixed at the bottom of the lower accommodating cavity 112, and the circulating pump 17 is fixed right above the liquid inlet pipe 23, so that the bottom space of the lower accommodating cavity 112 is effectively utilized, a compact layout is realized, and the occupied space is reduced.

[0044] As shown in the accompanying drawings, Figure 3 The water chiller further comprises a first branch pipe 25 and a second branch pipe 26 connected in parallel between the liquid inlet pipe 23 and the liquid outlet pipe 24, the first branch pipe 25 is provided with the plate heat exchanger 15, the second branch pipe 26 is provided with the desiccant cooler 13 and the control valve 27; when the control valve 27 is opened, the fluid in the liquid inlet pipe 23 is divided into two paths, one of which flows into the plate heat exchanger 15 through the first branch pipe 25, and the other of which flows into the desiccant cooler 13 through the second branch pipe 26. The water chiller further comprises a third branch pipe 28 connected at two ends with two ends of the plate heat exchanger 15, the third branch pipe 28 is provided with the condenser 14, the compressor 18 and the expansion valve 29, and the condenser 14 is opposite to the condensing fan 12 and the desiccant cooler 13.

[0045] The gaseous refrigerant from the plate heat exchanger 15 is compressed into high-temperature and high-pressure gas by the compressor 18, the high-temperature and high-pressure gas enters the condenser 14 along the third branch pipe 28, and the condenser 14 exchanges heat with the air in the external environment under the action of the condensing fan 12 and the desiccant cooler 13, so that the gas is cooled and changed into high-temperature and high-pressure liquid, the high-temperature and high-pressure liquid enters the plate heat exchanger 15 through the expansion valve 29, and the pressure is sharply reduced under the action of the expansion valve 29, so that a high-speed rotating vapor vortex is formed; in the plate heat exchanger 15, the vapor interacts with the cooling water or air, so that the vapor is cooled and changed into low-temperature and low-pressure gas, and then the low-temperature and low-pressure gas is compressed again by the compressor 18, so that the cycle is repeated, the working medium in the water chiller is continuously exchanged with heat, and refrigeration is realized.

[0046] It should be noted that in the present specification, the relationship terms such as first and second are only used to distinguish one entity from another entity, and do not necessarily require or imply any such actual relationship or order between the entities.

[0047] The principles and implementation modes of the present application are described by using specific examples in the present document, and the above description of the examples is only used to help understand the method of the present application and its core idea. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the present application without departing from the principles of the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A water chiller unit, characterized in that, The device includes a mounting frame (11), which includes an upper accommodating cavity (111) and a lower accommodating cavity (112) distributed vertically along a first direction; it also includes a condensing fan (12), a dry cooler (13), and a condenser (14) stacked sequentially in the upper accommodating cavity (111) along a second direction, and a plate heat exchanger (15), an expansion tank (16), a circulating pump (17), and a compressor (18) arranged side by side in the lower accommodating cavity (112) along a third direction; the first direction, the second direction, and the third direction are perpendicular to each other; The chiller unit also includes an expansion tank (21), which is located above the expansion tank (16); the expansion tank (21) and the plate heat exchanger (15) are distributed along the second direction.

2. The chiller unit according to claim 1, characterized in that, It also includes an upper pipe heater (19) and a lower pipe heater (20) distributed along the first direction on both sides of the expansion tank (16).

3. The chiller unit according to claim 2, characterized in that, A left side plate (113) is fixedly provided on one side of the lower accommodating cavity (112), and one end of the expansion tank (21) is fixedly provided on the left side plate (113); the upper pipe heater (19) is fixedly connected to the side of the expansion tank (21) away from the left side plate (113).

4. The chiller unit according to claim 3, characterized in that, A back side plate (114) is fixed to the back of the lower accommodating cavity (112), and the expansion tank (16) and the circulation pump (17) are both fixed to the back side plate (114).

5. The chiller unit according to claim 3, characterized in that, The bottom of the lower accommodating cavity (112) is fixedly provided with a bottom side plate (115), and the plate heat exchanger (15), the lower pipe heater (20), and the compressor (18) are all fixedly provided on the bottom side plate (115).

6. The chiller unit according to any one of claims 1 to 5, characterized in that, The mounting bracket (11) includes a front frame (116) and a rear frame (117) arranged parallel to each other along the second direction. A support plate (118) is fixed between the front frame (116) and the rear frame (117). The upper accommodating cavity (111) and the lower accommodating cavity (112) are respectively located on both sides of the support plate (118). The support plate (118) is provided with a forklift hole (1181).

7. The chiller unit according to any one of claims 1 to 5, characterized in that, A fixing plate (119) is fixedly disposed inside the upper accommodating cavity (111); the condensing fan (12) and the condenser (14) are respectively disposed on both sides of the fixing plate (119); the condensing fan (12) includes an upper fan (121) and a lower fan (122) distributed vertically along the first direction, and both the upper fan (121) and the lower fan (122) are fixedly disposed on the fixing plate (119).

8. The chiller unit according to claim 7, characterized in that, An exhaust valve (22) is fixed on the side of the fixed plate (119) away from the condenser (14), and the exhaust valve (22) is connected to the top of the dry cooler (13).

9. The chiller unit according to any one of claims 1 to 5, characterized in that, It also includes an inlet pipe (23) and an outlet pipe (24) fixed at the bottom of the lower accommodating cavity (112), and the circulating pump (17) is fixed directly above the inlet pipe (23).

Images