CN217274920U - Water chilling unit - Google Patents
Water chilling unit Download PDFInfo
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- CN217274920U CN217274920U CN202221105852.3U CN202221105852U CN217274920U CN 217274920 U CN217274920 U CN 217274920U CN 202221105852 U CN202221105852 U CN 202221105852U CN 217274920 U CN217274920 U CN 217274920U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model provides a water chilling unit, include: the electric control cabinet is internally provided with electric components; a first orifice member; the air-cooled heat exchanger is arranged in the electric control cabinet and is provided with a heat exchanger refrigerant outlet and a heat exchanger refrigerant inlet connected with the outlet of the first throttling element; refrigerant system includes: a compressor having a compressor air inlet, a compressor air outlet, and a compressor air supplement port; the condenser is provided with a condenser refrigerant outlet and a condenser refrigerant inlet connected with the air outlet of the compressor, and the condenser refrigerant outlet is connected with the first throttling element inlet; the inlet of the primary throttling element is connected with the refrigerant outlet of the condenser; the flash evaporator is provided with a first flash evaporator inlet connected with the outlet of the primary throttling piece and a second flash evaporator inlet connected with the refrigerant outlet of the heat exchanger; the refrigerant in the air-cooled heat exchanger is always in a medium-temperature and medium-pressure state, and the cold air after heat exchange by the air-cooled heat exchanger can not cause the surface temperature of the parts which do not generate heat to be too low to generate dewing and dripping.
Description
Technical Field
The utility model belongs to the technical field of the air conditioner, especially, relate to a water chilling unit.
Background
Many electrical components such as reactors, transformers and the like arranged in an electric control cabinet of a central air-conditioning water chilling unit generate a large amount of heat during operation, and a cooling and heat-dissipating device is required to dissipate the heat. At present, the main heat dissipation mode is air cooling, and the air cooling heat dissipation has the problems of low heat dissipation efficiency, large volume, high cost, easy dust accumulation and the like, and particularly after dust is accumulated on the surface of an electrical component, the heat dissipation performance is poor, and faults such as over-temperature, short circuit and the like are easily caused; at present, some schemes adopt a water cooling mode, and the risk of water leakage caused by water pipeline breakage exists; a few existing schemes in addition adopt the refrigerant pipeline to link to each other with the cooling water set evaporimeter for the cryogenic refrigerant of low pressure cools off the interior air of cabinet, the cold wind temperature of production is low, blow the part back that does not generate heat in the cabinet when the cold wind, cause these part surface temperatures lower, the part that does not generate heat includes the panel beating, support etc. in the environment of damp and hot, under the sealed not tight condition of automatically controlled cabinet box, high temperature and high humidity's air gets into in the cabinet in the automatically controlled cabinet external environment, the cold surface of these parts that do not generate heat just condenses easily and drips, can cause electrical short circuit and incident. Therefore, a water chilling unit is provided.
Disclosure of Invention
The present invention aims at solving one of the technical problems in the related art at least to a certain extent. For this purpose,
according to an embodiment of the present disclosure, there is provided a water chiller including:
the electric control cabinet is internally provided with a plurality of electric components;
a first orifice member;
the air-cooled heat exchanger is arranged in the electric control cabinet and is provided with a heat exchanger refrigerant outlet and a heat exchanger refrigerant inlet connected with the outlet of the first throttling piece;
a refrigerant system, the refrigerant system comprising:
a compressor having a compressor air inlet, a compressor air outlet, and a compressor air supplement port;
the condenser is provided with a condenser refrigerant outlet and a condenser refrigerant inlet connected with the compressor air outlet, and the condenser refrigerant outlet is connected with the first throttling element inlet;
the inlet of the primary throttling element is connected with the refrigerant outlet of the condenser;
the flash evaporator is provided with a first flash evaporator inlet connected with the outlet of the primary throttling element, a second flash evaporator inlet connected with the refrigerant outlet of the heat exchanger, a flash evaporator air outlet connected with the air supplementing port of the compressor and a flash evaporator liquid outlet.
The refrigerant outlet of the air-cooled heat exchanger is connected with the flash evaporator in the medium-temperature medium-pressure state, so that the refrigerant in the air-cooled heat exchanger is always in the medium-temperature medium-pressure state, the temperature of the cold air subjected to heat exchange by the air-cooled heat exchanger is higher, the cold air is blown to some non-heating components in the electric control cabinet, the non-heating components cannot generate condensation and water due to too low surface temperature, the electrical safety in the electric control cabinet is ensured, and the non-heating components can be various supports and the like. In addition, when the air temperature and the humidity in the electric control cabinet are high, the air-cooled heat exchanger in the medium-pressure and medium-temperature state has the cooling and dehumidifying functions, the air temperature and the humidity in the electric control cabinet can be reduced, the normal state can be recovered, and condensation of all parts including non-heating parts in the electric control cabinet is avoided.
According to the embodiment of the present disclosure, the electric control cabinet includes:
the electric control cabinet shell is internally provided with the air-cooled heat exchanger and the electrical component, and the air-cooled heat exchanger is arranged on one side of the electrical component;
the fan is arranged in the electric control cabinet shell, the air-cooled heat exchanger is positioned on the air inlet side of the fan on the flow path of air in the electric control cabinet shell, and the fan pumps the air at the electric component into the fan through the air-cooled heat exchanger and then sends the air to the electric component.
Compared with the condition that the air cooling heat exchanger is positioned on the air inlet side of the fan, the air cooling heat exchanger has the advantages that the air speed is uniform when air in the electric control cabinet passes through the air cooling heat exchanger, the average air speed is low, and condensed water generated on the electric control cabinet cannot be brought out by air flow, so that condensed water cannot be blown out from the fan, and safety faults such as short circuit and electric leakage of electric components in the electric control cabinet are prevented. Meanwhile, the air-cooled heat exchanger is positioned on the air inlet side of the fan, so that air in the cabinet can uniformly flow into the whole windward side of the air-cooled heat exchanger, and the heat exchange efficiency of the air-cooled heat exchanger can be obviously improved.
According to an embodiment of the present disclosure, the fan is located above or below the air-cooled heat exchanger; the electric control cabinet further comprises an air duct housing arranged in the electric control cabinet shell, the air duct housing covers the fan and one side, far away from the electric component, of the air-cooled heat exchanger to form a first air duct which is located on one side, far away from the electric component, of the fan and one side, close to the electric component, of the air duct housing, and the fan sucks air at the electric component into the first air duct through the air-cooled heat exchanger and then sends the air to the electric component.
The air duct housing is arranged, the fan is arranged above or below the air cooling heat exchanger, a first air duct can be formed when the fan is arranged conveniently, the fan can extract hot air at the electric component into the air cooling heat exchanger and the first air duct, and then the hot air is conveyed to the electric component to dissipate heat of the electric component, the structure is simple, and the realization is convenient.
According to the embodiment of the disclosure, the electric control cabinet further comprises a baffle plate arranged in the electric control cabinet shell, the baffle plate is arranged on the rear side of the electric component and is positioned on the fan and/or the front side of the air-cooled heat exchanger to isolate the air outlet side of the fan from the air inlet side of the air-cooled heat exchanger, so that air short circuit is avoided, namely, air blown out by the fan is prevented from directly returning to the air-cooled heat exchanger.
According to the embodiment of the disclosure, the air-cooled heat exchanger is provided with the heat exchanger left end plate located at the left side end of the air-cooled heat exchanger and the heat exchanger right end plate located at the right side end of the air-cooled heat exchanger, the left side end of the air duct housing is connected with the heat exchanger left end plate, the right side end of the air duct housing is connected with the heat exchanger right end plate, the air-cooled heat exchanger is conveniently connected with the air duct housing, and the first air duct space is relatively large, so that air which exchanges heat with the air-cooled heat exchanger can flow to the fan.
According to the embodiment of the present disclosure, the electric control cabinet further includes:
and the water receiving tray is arranged in the shell and is positioned below the air-cooled heat exchanger, the fan and the air duct housing and is used for receiving condensed water.
According to the embodiment of the disclosure, when the fan is positioned above the air-cooled heat exchanger, the water pan is connected with the left end plate of the heat exchanger, the right end plate of the heat exchanger and the air duct outer cover, so that the water pan is conveniently connected with the air-cooled heat exchanger and the air duct outer cover.
According to the embodiment of the disclosure, the electric control cabinet further comprises a fan support arranged above or below the air-cooled heat exchanger and a driving mechanism for driving the fan to rotate, the fan is connected to the fan support, the air duct outer cover is connected to the fan support, the fan can be driven to rotate, the fan is convenient to fix, and the fan is convenient to connect with the air duct outer cover.
According to the embodiment of the present disclosure, the electric control cabinet further includes:
the controller is arranged in the electric control cabinet shell and is electrically connected with the first throttling element;
and the temperature sensor is arranged in the electric control cabinet shell, is used for detecting the temperature in the electric control cabinet shell and is electrically connected with the controller.
The controller can control the first throttling element according to the difference between the actual value of the temperature sensor and the target value of the temperature in the electric control cabinet to realize the control of the temperature in the electric control cabinet.
According to an embodiment of the present disclosure, the water chilling unit further includes:
and the filter is connected between the outlet of the condenser and the inlet of the first throttling element and used for filtering the refrigerant flowing through the filter so as to ensure that no impurity exists in the refrigerant.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an electric control cabinet according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of a partial structure of an electric control cabinet according to an embodiment of the present disclosure;
FIG. 3 is a schematic view of a partial structure of an electric control cabinet according to an embodiment of the present disclosure;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;
FIG. 5 is a front view of an air-cooled heat exchanger according to an embodiment of the present disclosure;
FIG. 6 is a side view of an air-cooled heat exchanger according to an embodiment of the present disclosure;
FIG. 7 is a schematic diagram of a refrigerant system according to an embodiment of the present disclosure;
FIG. 8 is a schematic diagram of a refrigerant system according to an embodiment of the present disclosure;
FIG. 9 is a partial schematic diagram of a refrigerant system according to an embodiment of the present disclosure;
fig. 10 is another partial schematic diagram of a refrigerant system according to an embodiment of the disclosure.
In the above figures: a refrigerant system 100; a compressor 101; a compressor inlet 1011; a compressor outlet 1012; compressor make-up ports 1013; a condenser 102; a condenser refrigerant inlet 1021; a condenser refrigerant outlet 1022; an evaporator 103; an evaporator refrigerant inlet 1031; an evaporator refrigerant outlet 1032; a flash vessel 104; a flasher first inlet 1041; a flasher second inlet 1042; flash evaporator outlet 1043; flash vessel outlet 1044; a primary orifice 107; a primary orifice inlet 1071; a primary orifice outlet 1072; a secondary orifice 108; a secondary orifice inlet 1081; a secondary orifice outlet 1082; an electric control cabinet 200; an electric control cabinet shell 201; an electric control cabinet 2011; an electric cabinet door 2012; cabinet door seal 2013; an electrical component 202; a fan 203; an air duct cover 204; a first air duct 205; a fan bracket 207; a drip tray 208; an electric control cabinet temperature sensor 210; a second air duct 211; a third air duct 212; a baffle 213; an air-cooled heat exchanger 500; a heat exchanger refrigerant inlet 501; a heat exchanger refrigerant outlet 502; a heat exchanger left end plate 503; a heat exchanger right end plate 504; a first throttle 600; a first orifice inlet 601; a first orifice outlet 602; a filter 700.
Detailed Description
The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
Referring to fig. 1-2, the utility model provides a water chilling unit, water chilling unit include electric control cabinet 200, and electric control cabinet 200 includes electric control cabinet shell 201 and locates electric component 202 in electric control cabinet shell 201.
Referring to fig. 1, the electric control cabinet shell 201 includes an electric control cabinet body 2011, an electric control cabinet door 2012 connected to the electric control cabinet body, and a cabinet door sealing strip 2013 arranged on the electric control cabinet door, and when the electric control cabinet door is closed, the cabinet door sealing strip can be clamped between the electric control cabinet body 2011 and the electric control cabinet door 2012, so as to seal the connection between the electric control cabinet body 2011 and the electric control cabinet door 2012.
The electric control cabinet door can have one or two or more, when the electric control cabinet door has two, wherein the electric control cabinet door includes left cabinet door and right cabinet door, and wherein left cabinet door and right cabinet door can set up to run from opposite directions the design. The cabinet door sealing strip can be designed along the periphery of the cabinet door of the electric control cabinet.
A plurality of electrical components 202 are arranged in the electric control cabinet 200, wherein the electrical components mainly include reactors, transformers, and the like. Electric components in the automatically controlled cabinet can generate heat in a large number at the operation in-process, consequently need dispel the heat to automatically controlled cabinet and inside electric components to guarantee that the air circumstance can not overtemperature in the automatically controlled cabinet, in this application, the cooling water set still includes air-cooled heat exchanger 500, utilizes air-cooled heat exchanger 500 to dispel the heat to automatically controlled cabinet and inside electric components.
According to an embodiment of the present application, referring to fig. 7, the water chiller further includes a refrigerant system 100, and the refrigerant system 100 includes a compressor 101, a condenser 102, an evaporator 103, a flash evaporator 104, a primary throttle 107, and a secondary throttle 108.
Referring to fig. 8, the compressor 101 compresses a refrigerant gas in a low-temperature and low-pressure state and discharges the refrigerant gas in a high-temperature and high-pressure state. The compressor has a compressor inlet 1011, a compressor outlet 1012, and a compressor make-up 1013, which compressor make-up 1013 may be a medium pressure make-up.
Referring to fig. 8, the condenser 102 has a condenser refrigerant inlet 1021 and a condenser refrigerant outlet 1022, the condenser refrigerant inlet communicates with the compressor outlet 1012, the refrigerant discharged from the compressor 101 flows into the condenser, the condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.
Referring to fig. 10, the water chilling unit further includes a first throttling element 600, and an inlet of the first throttling element 600 is connected to the condenser refrigerant outlet 1022. The first throttle 600 may be an electronic expansion valve or a thermal expansion valve or a capillary tube. Specifically, the first throttle 600 has a first throttle inlet 601 and a first throttle outlet 602, and the first throttle inlet 601 is connected to the condenser refrigerant outlet 1022.
Referring to fig. 10, the air-cooled heat exchanger 500 has a heat exchanger refrigerant inlet 501 and a heat exchanger refrigerant outlet 502, the heat exchanger refrigerant inlet is connected to the outlet of the first throttling element, and specifically, the heat exchanger refrigerant inlet 501 is connected to the first throttling element outlet 602, so as to introduce the refrigerant flowing out from the condenser into the air-cooled heat exchanger.
Specifically, a heat exchanger refrigerant inlet 501 of the air-cooled heat exchanger may be located at the lower portion of the air-cooled heat exchanger, and a heat exchanger refrigerant outlet 502 of the air-cooled heat exchanger may be located at the upper portion of the air-cooled heat exchanger, so that the refrigerant flows from bottom to top. Of course, the heat exchanger coolant inlet 501 and the heat exchanger coolant outlet 502 of the air-cooled heat exchanger may be located at other positions of the air-cooled heat exchanger. The air-cooled heat exchanger 500 may be a finned tube heat exchanger or a finned microchannel heat exchanger.
Referring to fig. 9, an inlet of the primary throttle 107 is connected to the condenser refrigerant outlet 1022. Specifically, the primary throttle has a primary throttle inlet 1071 and a primary throttle outlet 1072, and the primary throttle inlet 1071 is connected to the condenser refrigerant outlet 1022.
Referring to fig. 10, the flash evaporator 104 has a first flash evaporator inlet 1041, a second flash evaporator inlet 1042, a flash evaporator air outlet 1043, and a flash evaporator liquid outlet 1044, wherein the first flash evaporator inlet 1041 is connected to an outlet of the primary throttling element, the second flash evaporator inlet is connected to the heat exchanger refrigerant outlet 502, the flash evaporator air outlet is connected to the compressor air supplement port, and the flash evaporator liquid outlet is connected to an inlet of the secondary throttling element.
Referring to fig. 9, the evaporator 103 has an evaporator refrigerant inlet 1031 and an evaporator refrigerant outlet 1032, wherein the outlet of the secondary throttle is connected to the evaporator refrigerant inlet, and the evaporator refrigerant outlet is connected to the compressor air inlet. The evaporator evaporates the refrigerant and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor.
Specifically, referring to fig. 9, the secondary throttling element has a secondary throttling element inlet 1081 and a secondary throttling element outlet 1082, the first flash evaporator inlet 1041 is connected with the primary throttling element outlet 1072, the flash evaporator outlet is connected with the secondary throttling element inlet 1081, and the secondary throttling element outlet 1082 is connected with the evaporator refrigerant inlet.
The refrigerant enters the condenser from the compressor, then enters the first throttling element from the condenser, and then enters the air-cooled heat exchanger, and as the refrigerant outlet of the air-cooled heat exchanger in the electric control cabinet is connected to the flash evaporator at the medium pressure and the medium temperature, the pressure and the temperature of the refrigerant are reduced after the refrigerant is throttled by the first throttling element, and the gas-liquid two-phase refrigerant at the medium pressure and the medium temperature is formed and enters the air-cooled heat exchanger.
In some embodiments of the present application, referring to fig. 10, the chiller further includes a filter 700, and the filter 700 is connected between the refrigerant outlet of the condenser and the inlet of the first throttling element for filtering the refrigerant flowing therethrough, so as to ensure that no impurities are contained in the refrigerant.
Referring to fig. 1 to 3, according to an embodiment of the present application, an air-cooled heat exchanger 500 is disposed in an electric control cabinet to exchange heat with air in the electric control cabinet to cool the electric control cabinet. Specifically, the air-cooled heat exchanger 500 is disposed in the cabinet and located at one side of the electrical component.
The refrigerant outlet of the air-cooled heat exchanger is connected with the flash evaporator in the medium-temperature medium-pressure state, so that the refrigerant in the air-cooled heat exchanger is always in the medium-temperature medium-pressure state, the temperature of the cold air subjected to heat exchange by the air-cooled heat exchanger is higher, the cold air is blown to some non-heating components in the electric control cabinet, the non-heating components cannot generate dew condensation and water due to too low surface temperature, the electric safety in the electric control cabinet is ensured, and the non-heating components can be various supports and the like. In addition, when the air temperature and humidity in the electric control cabinet are high (for example, under the condition that the external environment temperature and humidity of the electric control cabinet are high, when the water chilling unit is just started and the electric control cabinet is not tightly sealed), the air-cooled heat exchanger in the medium-pressure and medium-temperature state has the cooling and dehumidifying functions, the air temperature and humidity in the electric control cabinet can be reduced, the normal state can be recovered, and condensation of all parts including non-heating parts in the electric control cabinet is avoided.
The electric control cabinet 200 further comprises a fan 203, the fan 203 is arranged in the electric control cabinet shell, on the flow path of wind in the electric control cabinet shell, the air cooling heat exchanger is located on the air inlet side of the fan, and the fan extracts wind at the electric component into the fan through the air cooling heat exchanger and then sends the wind to the electric component.
Compared with the condition that the air cooling heat exchanger is positioned on the air inlet side of the fan, the air cooling heat exchanger has the advantages that the air speed is uniform when air in the electric control cabinet passes through the air cooling heat exchanger, the average air speed is low, and condensed water generated on the electric control cabinet cannot be brought out by air flow, so that condensed water cannot be blown out from the fan, and safety faults such as short circuit and electric leakage of electric components in the electric control cabinet are prevented. Meanwhile, the air-cooled heat exchanger is positioned on the air inlet side of the fan, so that air in the cabinet can uniformly flow into the whole windward side of the air-cooled heat exchanger, and the heat exchange efficiency of the air-cooled heat exchanger can be obviously improved.
Referring to fig. 1-3 and 6, the fan 203 is located above or below the air-cooled heat exchanger. The electric control cabinet further comprises an air duct housing 204, wherein the air duct housing is arranged in the electric control cabinet housing. The air duct cover covers the side of the fan and the air-cooled heat exchanger away from the electric component to form a first air duct 205 which is located on the side of the fan and the air-cooled heat exchanger away from the electric component and located on the side of the air duct cover close to the electric component.
The fan rotates to drive air in the cabinet to flow, the air in the cabinet with higher temperature in the electric control cabinet firstly enters the air-cooled heat exchanger to exchange heat with the air-cooled heat exchanger, and the air after heat exchange enters the first air channel, then flows to the air suction side of the fan and is discharged from the air exhaust side of the fan. In the air-cooled heat exchanger, after the liquid refrigerant exchanges heat with circulating air, the liquid refrigerant evaporates and absorbs heat, the liquid refrigerant is changed into a gaseous refrigerant and enters the flash evaporator through the refrigerant outlet of the heat exchanger, and cold air with lower temperature is generated at the air side and is blown into the electric control cabinet, so that the electric components such as a reactor in the electric control cabinet cannot be cooled and the temperature in the electric control cabinet cannot be overtemperature.
The air duct housing is arranged, the fan is arranged above or below the air cooling heat exchanger, a first air duct can be formed when the fan is arranged conveniently, the fan can extract hot air at the electric component into the air cooling heat exchanger and the first air duct, and then the hot air is conveyed to the electric component to dissipate heat of the electric component, the structure is simple, and the realization is convenient.
Referring to fig. 5-6, the electric control cabinet further includes a fan bracket 207 and a driving mechanism (not shown), wherein the fan bracket is disposed above or below the air-cooled heat exchanger, the fan is connected to the fan bracket, the driving mechanism is connected to the fan, the driving mechanism drives the fan to rotate, and the driving mechanism is configured to drive the fan to rotate and facilitate the fixing of the fan. The driving mechanism can comprise a driving motor, an output shaft of the driving motor can be connected with the fan, and the driving motor works to drive the fan to rotate.
Referring to fig. 5, the air-cooled heat exchanger 500 has a heat exchanger left end plate 503 located at the left end thereof and a heat exchanger right end plate 504 located at the right end thereof, the left end of the air duct housing is connected to the heat exchanger left end plate, and the right end of the air duct housing is connected to the heat exchanger right end plate, so that the air-cooled heat exchanger is conveniently connected to the air duct housing, and the first air duct space is relatively large, so that the air after exchanging heat with the air-cooled heat exchanger flows to the fan. The air duct outer cover is connected with the fan bracket, so that the fan is conveniently connected with the air duct outer cover.
Specifically, the left side end of the air duct housing and the left end plate of the heat exchanger can be connected by screws or bolts, and the right side end of the air duct housing and the right end plate of the heat exchanger can also be connected by screws or bolts. The air duct outer cover and the fan bracket can be connected through bolts.
In some embodiments of the present application, the electric cabinet 200 further comprises a water pan 208, wherein the water pan is disposed in the electric cabinet housing, and the water pan is located below the air-cooled heat exchanger, the fan and the air duct housing, and is used for receiving the condensed water flowing down from the air-cooled heat exchanger, the fan and the air duct housing.
When the fan is located above the air-cooled heat exchanger, the water pan is connected with the left end plate of the heat exchanger and the right end plate of the heat exchanger, and the water pan is connected with the air duct outer cover, so that the water pan is conveniently connected with the air-cooled heat exchanger and the air duct outer cover. Specifically, the water pan is welded with the left end plate and the right end plate of the heat exchanger, and the water pan is welded with the air duct outer cover.
When the fan is located the below of forced air cooling heat exchanger, the water collector is connected with the left end and the right-hand member of fan support to the water collector is connected with the wind channel dustcoat, conveniently connects water collector and fan and wind channel dustcoat. Specifically, the water pan is connected with the fan support in a welding mode, and the water pan is connected with the air duct outer cover in a welding mode.
Referring to fig. 6, the fan bracket, the driving mechanism, the air-cooled heat exchanger, the air duct housing and the water pan may be connected together and then installed in the electric cabinet as an integral module, which may facilitate installation and easy operation.
In some embodiments of the present application, the electric control cabinet further includes a controller (not shown), and the controller may be disposed inside the electric control cabinet housing, or of course, the controller may be disposed outside the electric control cabinet housing for convenient operation. The controller is electrically connected with the first throttling element. Of course, the controller can also be connected with other elements of the water chilling unit, such as a primary throttling element, a secondary throttling element and the like.
In some embodiments of the present application, referring to fig. 3, the electric control cabinet further includes an electric control cabinet temperature sensor 210, the electric control cabinet temperature sensor 210 is disposed in the electric control cabinet housing for detecting a temperature in the electric control cabinet housing, wherein the electric control cabinet temperature sensor is electrically connected to the controller. The controller may control the first throttling element to control the temperature inside the electric control cabinet according to a difference between an actual measurement value of the electric control cabinet temperature sensor 210 and a target temperature value inside the electric control cabinet, and specifically, the controller may control the opening of the electronic expansion valve to control the temperature inside the electric control cabinet according to a difference between the actual measurement value of the electric control cabinet temperature sensor 210 and the target temperature value inside the electric control cabinet.
In some embodiments of the present application, referring to fig. 3, the electric control cabinet further includes a baffle 213 disposed in the housing of the electric control cabinet, the baffle being disposed at the rear side of the electric component and located at the front side of the fan and/or the air-cooled heat exchanger to separate the air outlet side of the fan from the air inlet side of the air-cooled heat exchanger, so as to avoid air short circuit, i.e., to prevent air blown by the fan from directly returning to the air-cooled heat exchanger.
Specifically, referring to fig. 3, the front end of the baffle is connected to the rear side of the electrical component, the rear end of the baffle is connected to the front end of the air-cooled heat exchanger, a second air duct 211 is formed in the electrical cabinet and located at one side of the rear side, the upper side and the lower side of the electrical cabinet and located at the air outlet side of the fan, a third air duct 212 is formed in the electrical cabinet and located at the other side of the rear side, the upper side and the lower side of the electrical component and located at the air inlet side of the air-cooled heat exchanger, and the second air duct and the third air duct are isolated.
When the fan is arranged above the air-cooled heat exchanger, the front end of the baffle is connected to the rear side of the electric component, the rear end of the baffle is connected to the front end of the air-cooled heat exchanger, a second air channel 211 which is located at the rear side of the electric cabinet, above the baffle and at the air outlet side of the fan is formed in the electric cabinet, a third air channel 212 which is located at the rear side of the electric component, below the baffle and at the air inlet side of the air-cooled heat exchanger is formed in the electric cabinet, and the second air channel and the third air channel are isolated.
When the fan is arranged below the air-cooled heat exchanger, the front end of the baffle is connected to the rear side of the electric component, the rear end of the baffle is connected to the front end of the air-cooled heat exchanger, a second air channel 211 which is located on the rear side of the electric control cabinet, below the baffle and on the air outlet side of the fan is formed in the electric control cabinet, a third air channel 212 which is located on the rear side of the electric component, above the baffle and on the air inlet side of the air-cooled heat exchanger is formed in the electric control cabinet, and the second air channel and the third air channel are isolated.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A chiller, comprising:
the electric control cabinet is internally provided with a plurality of electric components;
a first orifice member;
the air-cooled heat exchanger is arranged in the electric control cabinet and is provided with a heat exchanger refrigerant outlet and a heat exchanger refrigerant inlet connected with the outlet of the first throttling piece;
a refrigerant system, the refrigerant system comprising:
a compressor having a compressor air inlet, a compressor air outlet, and a compressor air supplement port;
the condenser is provided with a condenser refrigerant outlet connected with the first throttling element inlet and a condenser refrigerant inlet connected with the compressor air outlet;
the inlet of the primary throttling element is connected with the refrigerant outlet of the condenser;
the flash evaporator is provided with a first flash evaporator inlet connected with the outlet of the primary throttling element, a second flash evaporator inlet connected with the refrigerant outlet of the heat exchanger, a flash evaporator air outlet connected with the air supplementing port of the compressor and a flash evaporator liquid outlet.
2. The chiller according to claim 1, wherein said electronic control cabinet comprises:
the electric control cabinet shell is internally provided with the air-cooled heat exchanger and the electrical component, and the air-cooled heat exchanger is arranged on one side of the electrical component;
the fan is arranged in the electric control cabinet shell, the air-cooled heat exchanger is positioned on the air inlet side of the fan on the flow path of air in the electric control cabinet shell, and the fan pumps the air at the electric component into the fan through the air-cooled heat exchanger and then sends the air to the electric component.
3. The chiller according to claim 2 wherein said fan is located above or below said air cooled heat exchanger; the electric control cabinet further comprises an air duct housing arranged in the electric control cabinet shell, the air duct housing is covered on one side, far away from the electric component, of the fan and the air-cooled heat exchanger to form a first air duct which is located on one side, far away from the electric component, of the fan and the air-cooled heat exchanger and is located on one side, close to the electric component, of the air duct housing, and the fan pumps air at the electric component into the first air duct through the air-cooled heat exchanger and then sends the air to the electric component.
4. The water chilling unit of claim 3, wherein the electrical cabinet further includes a baffle disposed within the electrical cabinet housing, the baffle being disposed behind the electrical component and in front of the fan and/or the air-cooled heat exchanger to separate the fan air outlet side from the air-cooled heat exchanger air inlet side.
5. The chiller according to claim 3 wherein the air cooled heat exchanger has a heat exchanger left end plate at its left side end and a heat exchanger right end plate at its right side end, the left side end of the air duct casing being connected to the heat exchanger left end plate and the right side end of the air duct casing being connected to the heat exchanger right end plate.
6. The chiller according to claim 5, wherein said electronic control cabinet further comprises:
and the water receiving tray is arranged in the shell and is positioned below the air-cooled heat exchanger, the fan and the air duct housing and is used for receiving condensed water.
7. The chiller according to claim 6 wherein the drip tray is connected to the heat exchanger left end plate, the heat exchanger right end plate and the duct cover when the fan is positioned over the air-cooled heat exchanger.
8. The water chilling unit according to claim 3, wherein the electric control cabinet further comprises a fan bracket disposed above or below the air-cooled heat exchanger and a driving mechanism for driving the fan to rotate, the fan is connected to the fan bracket, and the air duct housing is connected to the fan bracket.
9. The chiller according to claim 2, wherein said electronic control cabinet further comprises:
the controller is arranged in the electric control cabinet shell and is electrically connected with the first throttling element;
and the temperature sensor is arranged in the electric control cabinet shell and is electrically connected with the controller.
10. The chiller according to claim 1, further comprising:
and the filter is connected between the outlet of the condenser and the inlet of the first throttling element and is used for filtering the refrigerant flowing through the filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221105852.3U CN217274920U (en) | 2022-05-10 | 2022-05-10 | Water chilling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221105852.3U CN217274920U (en) | 2022-05-10 | 2022-05-10 | Water chilling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217274920U true CN217274920U (en) | 2022-08-23 |
Family
ID=82884638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221105852.3U Active CN217274920U (en) | 2022-05-10 | 2022-05-10 | Water chilling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217274920U (en) |
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2022
- 2022-05-10 CN CN202221105852.3U patent/CN217274920U/en active Active
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