CN218544681U - Energy storage cabinet cold water air conditioner - Google Patents

Abstract

The utility model provides an energy storage cabinet cold water air conditioner, include: a housing having an air outlet; the water inlet pipe is at least partially arranged at the bottom of the inner space of the shell; the plate heat exchanger is arranged in the middle of the inner space of the shell, and the water inlet pipe is communicated with the plate heat exchanger; a compressor disposed in the middle of the inner space of the housing; the refrigerant heat exchanger is arranged at the upper part of the inner space of the shell and corresponds to the air outlet; a refrigerant circulation loop for circulating the refrigerant in the compressor, the refrigerant heat exchanger, the throttle valve and the plate heat exchanger; the fan is arranged corresponding to the refrigerant heat exchanger; at least part of the water outlet pipe is arranged at the bottom of the inner space of the shell and communicated to the plate heat exchanger, and the water outlet pipe is used for circulating heat exchange water; the heat exchange water enters the plate heat exchanger through the water inlet pipe and exchanges heat with the refrigerant circulation loop, and then flows out of the water outlet pipe to exchange heat with the battery pack in the energy storage cabinet. The utility model discloses water-electricity separation overall arrangement in cold water air conditioner maintains the convenience.

Description

Energy storage cabinet cold water air conditioner

Technical Field

The utility model relates to an energy storage cabinet heat dissipation technical field especially relates to an energy storage cabinet cold water air conditioner.

Background

Traditional energy sources such as coal, petroleum and the like have limited reserves, and new energy sources such as wind energy, solar energy and other renewable energy sources gradually become important components of common energy sources. But wind power and photovoltaic power generation have instability, and the battery energy storage advantage in the outdoor energy storage cabinet is obvious, can effectively solve this problem. Outdoor energy storage cabinet has the interior bad problem of heat dissipation of cabinet because of battery dress machine volume is big and illumination radiation. The battery is in a high-temperature environment, so that the service life of the battery is shortened, the battery cannot be normally charged, and even explosion occurs; the problems of serious power failure, abnormal charge and discharge, shortened service life and the like of the battery can be caused by excessively low temperature in winter.

The traditional outdoor energy storage cabinet generally adopts an air-cooled cold water air conditioner to ventilate and dissipate heat, and a waterway, a refrigerant flow path and a circuit are arranged inside the air conditioner in a staggered manner, so that inconvenience is caused for assembly and later maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve one of the technical problem in the correlation technique at least to a certain extent.

For this reason, this application aims at providing an energy storage cabinet cold water air conditioner, includes: a housing having an air outlet; the water inlet pipe is at least partially arranged at the bottom of the inner space of the shell; the plate heat exchanger is arranged in the middle of the inner space of the shell, and the water inlet pipe is communicated with the plate heat exchanger; a compressor disposed at a middle portion of the inner space of the housing; the refrigerant heat exchanger is arranged at the upper part of the inner space of the shell and corresponds to the air outlet; a refrigerant circulation circuit for circulating a refrigerant in the compressor, the refrigerant heat exchanger, the throttle valve, and the plate heat exchanger; the fan is arranged corresponding to the refrigerant heat exchanger and used for driving air to exchange heat with the refrigerant heat exchanger; at least part of the water outlet pipe is arranged at the bottom of the inner space of the shell and communicated to the plate heat exchanger, and the water outlet pipe is used for circulating heat exchange water; and the heat exchange water enters the plate heat exchanger through the water inlet pipe, exchanges heat with the refrigerant circulation loop and then flows out of the water outlet pipe to exchange heat with the battery pack in the energy storage cabinet.

In some embodiments of the present application, the heat exchanger further comprises a water pump, the water pump is disposed between the plate heat exchanger and the water inlet pipe, and the water pump drives the heat exchange water to circularly flow.

In some embodiments of the present application, the water inlet pipe comprises: the water inlet branches are arranged in parallel; the first water inlet main pipe is communicated with the plurality of water inlet branches and is connected with the plurality of water pumps connected in parallel in series; and one side of the second water inlet header pipe is connected with the plurality of water pumps connected in parallel in series, and the other side of the second water inlet header pipe is communicated with the plate heat exchanger.

In some embodiments of the present application, further comprising: and one end of the liquid injection pipe is a liquid injection port for injecting the heat exchange water, and the other end of the liquid injection pipe is connected to the first water inlet header pipe.

In some embodiments of the present application, a pressure sensor is disposed in the first water inlet manifold, the pressure sensor is configured to detect a pressure of the heat exchange water in the water inlet pipe, and the controller controls a rotation speed of the water pump according to detected pressure data.

In some embodiments of the present application, further comprising: and the heater is connected with the plate heat exchanger and is used for heating the temperature of the heat exchange water flowing through the plate heat exchanger.

In some embodiments of the present application, comprising: the first water inlet main pipe is internally provided with a temperature sensor, the temperature sensor is used for detecting the temperature of the heat exchange water in the water inlet pipe, and the controller controls the start and stop of the heater according to the detected temperature data.

In some embodiments of the present application, comprising: the mounting cross beam is arranged inside the shell and is arranged along the inner wall of the shell; the mounting support is arranged inside the shell and below the mounting cross beam, and the mounting cross beam and the mounting support divide the inner space of the shell into an upper part, a middle part and a bottom part.

In some embodiments of the application, the casing is enclosed by a plurality of curb plates and is established, and is adjacent the junction of curb plate is provided with the supporting beam, the installation crossbeam with the installing support all with supporting beam fixed connection.

In some embodiments of the present application, comprising: an angle plate is arranged between the mounting cross beam and the supporting beam and fixedly connected with the mounting cross beam and the supporting beam.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention or the related art, the drawings required to be used in the description of the embodiments or the related 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 the drawings without creative efforts.

FIG. 1 is a perspective view of an energy storage cabinet cold water air conditioner according to one embodiment of the present application;

FIG. 2 is a schematic diagram of a fan installation position of an energy storage cabinet cold water air conditioner according to one embodiment of the application;

FIG. 3 is a first schematic diagram of the internal assembly of an energy storage cabinet cold water air conditioner according to one embodiment of the application;

FIG. 4 is a schematic diagram of the internal assembly of an energy storage cabinet cold water air conditioner according to an embodiment of the application;

FIG. 5 is a schematic diagram of the internal assembly of an energy storage cabinet cold water air conditioner according to one embodiment of the application;

FIG. 6 is a schematic mounting diagram of a plate heat exchanger of an energy storage cabinet cold water air conditioner according to an embodiment of the application;

FIG. 7 is an enlarged view of portion A of FIG. 6;

FIG. 8 is a schematic diagram of the installation of a heater of an energy storage cabinet cold water air conditioner according to one embodiment of the present application;

fig. 9 is an enlarged view of portion B of fig. 8;

fig. 10 is a schematic connection diagram of a part of an air cooling water device of an energy storage cabinet cold water air conditioner according to an embodiment of the application;

FIG. 11 is a first schematic diagram of the positions of a mounting plate and a frame of an energy storage cabinet cold water air conditioner according to an embodiment of the present application;

FIG. 12 is a second schematic view of the positions of the mounting plate and the frame of the cold water air conditioner of the energy storage cabinet according to an embodiment of the present application;

fig. 13 is an enlarged view of portion C of fig. 12;

FIG. 14 is a third schematic position diagram of a mounting plate and a frame of an energy storage cabinet cold water air conditioner according to an embodiment of the application;

FIG. 15 is a cross-sectional view D-D of FIG. 14;

FIG. 16 is an enlarged view of section E of FIG. 15;

FIG. 17 is a schematic structural diagram of an air outlet of an energy storage cabinet cold water air conditioner according to one embodiment of the application;

fig. 18 is an enlarged schematic view of portion F of fig. 17;

FIG. 19 is a view of the assembled position of the bottom and lid of an energy storage cabinet cold water air conditioner according to one embodiment of the present application;

FIG. 20 is a schematic view of the assembly of the bottom and lid of an energy storage cabinet cold water air conditioner according to one embodiment of the present application;

FIG. 21 is a schematic structural diagram of a box cover of an energy storage cabinet cold water air conditioner according to one embodiment of the application;

fig. 22 is a schematic structural diagram of a bottom box of an energy storage cabinet cold water air conditioner according to an embodiment of the application.

In the above figures, the housing 1; a first air inlet 101; a second air inlet 102; an air outlet 103; side panels 104; a base plate 105; a top plate 106; a support beam 2; a mounting bracket 331; mounting the outer beam 31; mounting the inner beam 32; mounting the cross beam 4; the mounting beam 41; a water inlet pipe 5; a water inlet branch 51; a first water intake manifold 52; the second water intake manifold 53; a water pump 6; a heater 7; a heater supporter 71; a plate heat exchanger 8; a plate heat exchanger mounting plate 81; a cold water inlet 82; a cold water outlet 83; a water outlet pipe 9; a water outlet branch 91; a main outlet pipe 92; a power supply mounting plate 10; a power supply box 11; a refrigerant heat exchanger 12; a compressor 13; corner panels 14; a liquid injection tube 15; a frame 16; a first end 161; a second end 162; a metal mesh 17; a protection net 18; a fitting plate 19; a first plate 191; a second plate 192; a third plate 193; a bottom case 20; a first shroud 201; a second shroud 202; a first folded edge 2021; a fixing hole 2022; a third surrounding plate 203; a flange 2031; a connecting hole 2032; a second bent edge 2033; a first fitting hole 2034; a box cover 21; a second fitting hole 211; a connecting member 22.

Detailed Description

The present invention will now be described in detail 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.

Hereinafter, embodiments of the present application will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 10, the embodiment of the present application provides an energy storage cabinet cold water air conditioner, which is disposed in an energy storage cabinet, and in this embodiment, a container type energy storage cabinet is adopted, and the energy storage cabinet includes a cabinet body and a battery pack. The cabinet body is arranged in a container type to form the appearance of the energy storage cabinet. The cabinet body is internally provided with a battery pack, and electric quantity energy storage is carried out through the battery pack.

Energy storage cabinet is under long-term work, and there is the problem that generates heat in a large number in its inside group battery, and the cold water air conditioner of this application embodiment can effectively dispel the heat when the group battery temperature in the energy storage cabinet is higher, reduces the temperature of group battery, reaches the radiating effect to the group battery.

Because the energy storage cabinet generally sets up in the open air, when outdoor temperature ratio is lower, the group battery also can't reach best operating condition under low temperature environment, for the temperature that improves the group battery, the cold water air conditioner of this application embodiment also can heat the group battery when the group battery temperature in the energy storage cabinet is lower, improves the temperature of group battery, reaches the heating effect to the group battery.

In this embodiment, be provided with air-out opening, first air inlet opening and second air inlet opening on the cabinet body of energy storage cabinet, air-out opening, first air inlet opening and second air inlet opening communicate the internal portion of cabinet and external portion of cabinet respectively.

Energy storage cabinet cold water air conditioner sets up at the internal at the cabinet of energy storage cabinet, and energy storage cabinet cold water air conditioner includes: casing 1 and air-cooled cold water installation, air-cooled cold water installation set up in casing 1, and air-cooled cold water installation is used for heating or the heat dissipation to the group battery that sets up in the energy storage cabinet to improve the energy storage performance of group battery.

An air outlet 103 and an air inlet are arranged on the shell 1, and an air duct is arranged between the air inlet and the air outlet 103. In this embodiment, the air inlet includes a first air inlet 101 and a second air inlet 102. The first air inlet 101 is disposed corresponding to the first air inlet, the second air inlet 102 is disposed corresponding to the second air inlet, and the air outlet 103 is disposed corresponding to the air outlet. The first air inlet 101 is communicated with the first air inlet opening to further communicate the inside of the shell 1 with the outside of the cabinet body, the second air inlet 102 is communicated with the second air inlet opening to further communicate the inside of the shell 1 with the outside of the cabinet body, and the air outlet 103 is communicated with the air inlet to further communicate the inside of the shell 1 with the outside of the cabinet body. Air outside the cabinet can enter the inside of the housing 1 through the first air inlet 101 and the second air inlet 102, and then flows out from the air outlet 103 through the air duct.

In this embodiment, the housing 1 is substantially a rectangular parallelepiped, a bottom plate 105 is disposed at the bottom of the housing 1, a top plate 106 is disposed at the top of the housing 1, the housing 1 is surrounded by a plurality of side plates 104, the side plates 104 are fixedly connected to the bottom plate 105, and the side plates 104 are connected between the bottom plate 105 and the top plate 106 and are connected to the top plate 106 and the bottom plate 105. A support beam 2 is provided at the joint of the adjacent side plates 104, the support beam 2 is provided between the bottom plate 105 and the top plate 106, and both ends of the support beam 2 are connected to the bottom plate 105 and the top plate 106, respectively. In this embodiment, screw holes are provided at both ends of the support beam 2, and the support beam 2 is fixedly connected to the bottom plate 105 and the top plate 106 by inserting screws through the screw holes.

In this embodiment, the length direction of the support beam 2 is arranged in the same direction as the height direction of the cold water air conditioner of the energy storage cabinet. The height direction of the energy storage cabinet cold water air conditioner and the length direction of the supporting beam 2 are both arranged in the vertical direction.

A mounting bracket 331 and a mounting cross member 4 are provided in the housing 1. The mounting beams 4 are arranged above the mounting brackets 331, the mounting beams 4 are arranged in one-to-one correspondence with the side plates 104 of the housing 1, the side plates 104 are arranged between the adjacent support beams 2, and two opposite side edges of the side plates 104 are respectively fixedly connected with the two adjacent support beams 2.

The mounting cross member 4 is formed by a plurality of mounting beams 41, the mounting beams 41 are disposed between the adjacent support beams 2, and opposite ends of the mounting beams 41 are fixedly connected to the two adjacent support beams 2, respectively. The mounting beams 41 are provided along the side plates 104 of the case 1, and the longitudinal directions of the respective mounting beams 41 are in the same horizontal plane.

The mounting bracket 331 is disposed inside the housing 1, the mounting bracket 331 includes a mounting outer beam 31 and a mounting inner beam 32, and both ends of the mounting outer beam 31 in the length direction are respectively fixedly connected to two adjacent support beams 2. The mounting outer beams 31 are disposed closely to the side plates 104 of the housing 1, and the respective mounting outer beams 31 are disposed in the same horizontal plane. The installation inner beams 32 are disposed at the inner side of the installation outer beam 31, and the plurality of installation inner beams 32 are alternately disposed and connected at the inner side of the installation inner beams 32, thereby improving the overall structural strength of the installation bracket 331.

In some embodiments, the mounting outer beam 31 and the mounting inner beam 32 on the mounting bracket 331 may be integrally and fixedly connected by welding, so as to correct the mounting time of the mounting bracket 331 and improve the structural strength of the mounting bracket 331.

In this embodiment, the mounting beam 4 and the mounting bracket 331 divide the internal space of the housing 1 into an upper portion, a middle portion and a bottom portion, the upper portion of the internal space of the housing 1 is located between the mounting beam 4 and the top plate 106, the middle portion of the internal space of the housing 1 is located between the mounting beam 4 and the mounting bracket 331, and the bottom portion of the internal space of the housing 1 is located between the mounting bracket 331 and the bottom plate 105.

The air-cooled cold water device at least comprises: the system comprises a plate heat exchanger 8, a compressor 13, a refrigerant heat exchanger 12, a throttle valve, a fan, a water inlet pipe 5, a water outlet pipe 9 and a refrigerant circulation loop.

Be provided with inlet tube 5 in the casing 1, at least partial inlet tube 5 sets up in the bottom of 1 inner space of casing, and the inside of inlet tube 5 is used for the circulation to trade hot water, and inlet tube 5 includes many water inlet branch 51 and first inlet manifold 52 and second inlet manifold 53, and many water inlet branch 51 all are linked together with first inlet manifold 52. The heat exchange water enters from a plurality of water inlet branch pipes 51 and flows out from a plurality of water outlets of a first water inlet header pipe 52 after converging in the water inlet header pipes.

The water outlets are respectively communicated with the corresponding water pumps 6. A water pump 6 is provided at the bottom of the inner space of the case 1, and the water pump 6 is used to drive the flow of the exchange water. The plurality of water pumps 6 are connected in parallel, the heat exchange water flows to the second water inlet manifold 53 after passing through the plurality of water pumps 6, and the heat exchange water is converged again in the second water inlet manifold 53. The water outlet of the second water inlet manifold 53 is communicated with the heaters 7, the water outlets of the second water inlet manifold 53 are correspondingly connected with the heaters 7 one by one, namely, the heaters 7 are connected in parallel, and the heat exchange water flowing out from the second water inlet manifold 53 can flow through the heaters 7 corresponding to the water outlets through the water outlets respectively.

A plurality of water pumps 6 are connected in parallel, heat exchange water flow and heat exchange efficiency can be improved to the maximum, a user can selectively control opening of the water pumps 6 according to needs, when the heat exchange needs of the unit are small, one or more of the water pumps 6 can be selected to be opened singly, and the heat exchange needs are met while the energy-saving effect is improved. Compare in a plurality of water pumps 6 series connection, a plurality of water pumps 6 are parallelly connected and can reduce the loss of pressure in water route, improve the water supply efficiency who trades hot water.

In this embodiment, the heater 7 is disposed in the middle of the inner space of the casing 1, and the heater 7 is used for heating the heat exchange water to increase the temperature of the heat exchange water and avoid the influence of the overcooling of the heat exchange water on the service performance of the battery. The heater 7 adopts a PTC (Positive Temperature Coefficient) heater 7, the PTC heater 7 has high sensitivity, wide working Temperature range, small volume and good stability, and can improve the stability of the cold water air conditioner of the energy storage cabinet during heating and heat exchange water.

In this embodiment, a heater supporter 71 is provided in the casing 1, and the heater supporter 71 is provided in the middle of the inner space of the casing 1. The heater bracket 71 is fixedly connected with the mounting bracket 331, and the heater 7 is fixedly connected with the heater bracket 71 through a fastener. At least one heater 7 is provided, and when a plurality of heaters 7 are provided, the plurality of heaters 7 are stacked in the vertical direction. A heater bracket 71 is disposed between the adjacent heaters 7, and the heater bracket 71 may be fixedly connected to the mounting bracket 331 for fixing. The heater supporter 71 may be fixedly coupled to the adjacent heater supporter 71 to have an effect of fixing the heater supporter 71.

In this embodiment, two heaters 7 are provided, and each heater 7 is provided with a heater bracket 71 for fixing the heater 7. The heater support 71 and the heater 7 are both arranged close to the joint of the two adjacent side plates 104 of the shell 1, namely the heater support 71 and the heater 7 are both arranged close to the inner wall of the shell 1, so that the wind resistance in the air duct is reduced, and the heat dissipation efficiency of the air flow in the air duct is improved. At least one end of the heater bracket 71 is fixedly connected with the mounting bracket 331 through a fastener, and adjacent heater brackets 71 can be connected through a fastener to further fixedly connect the heater brackets 71. The bottom of the heater 7 is fixedly connected to the corresponding heater bracket 71 by passing through a fastener. It is possible to provide that the fastening means can be fastening bolts.

In this embodiment, the heaters 7 are communicated with the plate heat exchanger 8, and the heat exchange water flowing through the plurality of heaters 7 is merged into the plate heat exchanger 8 at the cold water inlet 82 of the plate heat exchanger 8. The plate heat exchanger 8 is arranged in the middle of the inner space of the housing 1. The refrigerant and the heat exchange water exchange heat in the plate heat exchanger 8, and the heat exchange water exchanges heat with the refrigerant in the plate heat exchanger 8 and then flows out to the water outlet pipe 9 through the cold water outlet 83 of the plate heat exchanger 8.

The water outlet pipe 9 is at least partially arranged at the bottom of the inner space of the shell 1, one end of the water outlet pipe 9 is connected to the cold water outlet 83 of the plate heat exchanger 8, and the other end of the water outlet pipe 9 is provided with a plurality of water outlet branches 91 for shunting. A plurality of water outlet branches 91 extend around the battery pack in the energy storage cabinet for heat exchange with the battery pack in the energy storage cabinet.

The plurality of water outlet branches 91 can simultaneously select to control the temperature of the plurality of battery packs, and also can selectively start part of the water outlet branches 91 to independently control the corresponding battery packs, so that the temperature control precision of different battery packs is improved.

Specifically, the water outlet pipe 9 includes a water outlet header pipe 92 and a plurality of water outlet branch pipes 91, the water outlet header pipe 92 is connected with the plurality of water outlet branch pipes 91, heat exchange water flowing out from the cold water outlet 83 of the plate heat exchanger 8 flows to the water outlet header pipe 92, and flows to the corresponding battery pack through the plurality of water outlet branch pipes 91 after passing through the water outlet header pipe 92, so that heat exchange is performed on the battery pack.

In this embodiment, a temperature sensor and a pressure sensor are provided in the first water inlet manifold 52, so as to acquire pressure and temperature data in the water inlet pipe 5. A temperature sensor and a pressure sensor are also provided in the outlet manifold 92 to obtain pressure and temperature data in the outlet pipe 9.

The controller monitors pressure and temperature data in the water inlet pipe 5 and the water outlet pipe 9, and when monitoring that the pressure in the water inlet pipe 5 or the water outlet pipe 9 is not enough, the running gear of the water pump 6 is increased, the rotating speed of the water pump 6 is increased, the water flow speed of the quick-change hot water is increased, and further the system pressure is increased. When the temperature of the heat exchange water in the water inlet pipe 5 or the water outlet pipe 9 is monitored to be insufficient, the PTC is controlled to be started or stopped so as to correct the temperature.

The inside of casing 1 still is provided with plate heat exchanger mounting panel 81, and plate heat exchanger mounting panel 81 sets up the middle part in casing 1 inner space. The plate heat exchanger 8 and the plate heat exchanger mounting plate 81 are both arranged close to the joint of two adjacent side plates 104 of the shell 1, so that the obstruction to the air flow in the air duct is reduced.

In this embodiment, be provided with the power for the power supply of water pump 6 in the casing 1, adopt a plurality of power and water pump 6 corresponding, be the mode of water pump 6 power supply through many powers in order to solve the water pump 6 more, the problem that single power is difficult to satisfy the control demand.

In this embodiment, one side of the plate heat exchanger mounting plate 81 is fixedly connected to the mounting bracket 331 by a fastener, and the other side of the plate heat exchanger mounting plate 81 is fixedly connected to the support beam 2 by a fastener, so that the plate heat exchanger mounting plate 81 is fixed to the joint between the mounting bracket 331 and the mounting beam 41. Plate heat exchanger 8 passes through fastener fixed connection on plate heat exchanger mounting panel 81, and plate heat exchanger 8 and plate heat exchanger mounting panel 81 all are close to the inner wall setting of casing 1 promptly, can avoid plate heat exchanger 8 and plate heat exchanger mounting panel 81 to obstruct the air current flow in the wind channel to reduce the windage in the wind channel, improve the radiating efficiency of air current in the wind channel. It is possible to provide that the fastening means can be fastening bolts.

The power supply mounting plate 10 is arranged in the middle of the inner space of the shell 1, the power supply mounting plate 10 is arranged close to the inner wall of the shell 1, and the power supply mounting plate 10 is fixedly connected with the supporting beam 2. Fixedly connected with is used for the power pack 11 for heater 7 power supply on the power mounting panel 10, and power pack 11 and power mounting panel 10 all lean on the inner wall setting of casing 1 promptly to avoid hindering the air current in the wind channel to flow, thereby reduce the windage in the wind channel, improve the radiating efficiency of air current in the wind channel.

The refrigerant heat exchanger 12 is disposed at an upper portion of the internal space of the casing 1, and the refrigerant heat exchanger 12 is disposed corresponding to the air outlet 103. The refrigerant heat exchanger 12 is used for exchanging heat for air flowing through the refrigerant heat exchanger 12 in the air duct. In this embodiment, the refrigerant heat exchanger 12 is a microchannel heat exchanger.

The fan mounting plate is disposed at an upper portion of the inner space of the housing 1, and the fan mounting plate is disposed corresponding to the air outlet 103. One side of the fan mounting plate is fixedly connected with the supporting beam 2 through a fastener, and the other side of the fan mounting plate is fixedly connected with the mounting beam 41 through a fastener. The fan mounting plate is disposed closer to the air outlet 103 than the refrigerant heat exchanger 12.

The fan is disposed at an upper portion of the inner space of the housing 1, and the fan is disposed corresponding to the air outlet 103. The fans are installed on the fan installation plates and are correspondingly arranged between the refrigerant heat exchanger 12 and the air outlet 103, and the fans are used for driving air in the air duct to exchange heat with the refrigerant heat exchanger 12, so that heat or cold released to the surrounding environment by the refrigerant heat exchanger 12 is taken away.

The refrigerant circulation circuit circulates a refrigerant through the compressor 13, the refrigerant heat exchanger 12, the throttle valve, and the plate heat exchanger 8.

The compressor 13 is disposed in the middle of the inner space of the casing 1, and during cooling, the compressor 13 sucks low-temperature and low-pressure refrigerant gas from the plate heat exchanger 8, compresses the low-temperature and low-pressure refrigerant gas into high-temperature and high-pressure refrigerant gas, and discharges the refrigerant gas in a high-temperature and high-pressure state to the refrigerant heat exchanger 12. The refrigerant heat exchanger 12 condenses the compressed refrigerant gas into a liquid phase, and heat is released to the surrounding environment through the condensation process. The fan drives the air in the air duct to exchange heat with the refrigerant heat exchanger 12, and then takes away the heat released by the refrigerant heat exchanger 12 to the surrounding environment through the condensation process.

The throttle valve throttles the high-temperature and high-pressure liquid phase condensed in the refrigerant heat exchanger 12 into a low-pressure liquid phase refrigerant. The plate heat exchanger 8 evaporates the refrigerant throttled in the throttle valve, and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor 13. In the plate heat exchanger 8, the heat exchange between the heat exchange water and the evaporation heat absorption of the refrigerant is utilized to achieve the effect of cooling the heat exchange water.

In the refrigeration state of the cold water air conditioner of the energy storage cabinet, the refrigerant heat exchanger 12 is used as a condenser, the plate heat exchanger 8 is used as an evaporator, and the cold water air conditioner of the energy storage cabinet is used as a cooler in a refrigeration mode. In the heating state of the cold water air conditioner of the energy storage cabinet, the refrigerant heat exchanger 12 is used as an evaporator, the plate heat exchanger 8 is used as a condenser, and the cold water air conditioner of the energy storage cabinet is used as a heater 7 in a heating mode.

In this embodiment, the bottom of the compressor 13 is fixedly connected to the mounting bracket 331, the top end of the compressor 13 is the end opposite to the bottom end of the compressor 13, and the top end of the compressor 13 is disposed closer to the air outlet 103 than the bottom end of the compressor 13. In this embodiment, the compressor 13 is fixedly connected to the middle of the mounting bracket 331, and the bottom end of the compressor 13 is arranged in a streamline shape to the top end of the compressor 13 at the periphery of the compressor 13, so as to reduce the resistance of the compressor 13 to the air flow in the air duct, and simultaneously, play a role in guiding the air, and guide the air flow to the middle of the air duct.

In this embodiment, the first water inlet manifold 52 is connected to the liquid pouring pipe 15, one end of the liquid pouring pipe 15 is a liquid pouring port, and the other end of the liquid pouring pipe 15 is connected to the first water inlet manifold 52. When the heat exchange water for heat exchange is insufficient, the user can actively inject the heat exchange water into the liquid injection pipe 15 through the liquid injection port.

An angle plate 14 is arranged at the joint of the mounting cross beam 4 and the supporting beam 2, and the mounting cross beam 4 and the supporting beam 2 are connected through the angle plate 14 to improve the connection stability of the mounting cross beam 4 and the supporting beam 2.

The first air inlet 101 and the second air inlet 102 are disposed on adjacent side plates 104 of the housing 1. The air outlet 103 and the first air inlet 101 or the second air inlet 102 are disposed on a side plate 104 on the same side of the housing 1, and are disposed at two opposite ends of the side plate 104. In this embodiment, the first air inlet 101 is disposed below the side plate 104, and the first air inlet 101 is disposed corresponding to the bottom of the inner space of the housing 1. The air outlet 103 is arranged above the side plate 104, the air outlet 103 corresponds to the upper portion of the inner space of the shell 1, and the middle portion of the inner space of the shell 1 is arranged between the air outlet 103 and the first air inlet 101 at an interval, so that the first air inlet 101 and the air outlet 103 are prevented from being relatively close to each other, return air and air outlet short circuits are prevented from being caused, and the refrigeration or heating effect of the cold water air conditioner of the energy storage cabinet is improved.

In this embodiment, first air intake 101 corresponds the setting with the bottom of casing 1 inner space, and water pump 6 sets up in the bottom of casing 1 inner space, because water pump 6's calorific capacity is little, only corresponds the setting through first air intake 101 and water pump 6 and can satisfy the heat dissipation to water pump 6. Meanwhile, when flowing to the air outlet 103 in the air duct, the air entering from the first air inlet 101 flows through the heating elements such as the heater 7, the plate heat exchanger 8, and the power box 11 located in the middle of the inner space of the housing 1, thereby achieving a heat dissipation effect on the heating elements.

In this embodiment, the second air inlet 102 is disposed corresponding to the middle of the inner space of the housing 1, and more heating elements are disposed in the middle of the inner space of the housing 1, so that air entering from the second air inlet 102 flows through the heating elements, such as the heater 7, the plate heat exchanger 8, and the power box 11, located in the middle of the inner space of the housing 1 when flowing to the air outlet 103 in the air duct, and the air volume of the heating elements flowing through the middle of the inner space of the housing 1 is further increased, thereby improving the heat dissipation effect of the heating elements.

In this embodiment, the heat transfer water mainly flows in the lower part circulation of 1 inner space of casing, and the heating element that most needs the circular telegram mainly is located the middle part of 1 inner space of casing, can play the effect of water and electricity separation, and it facilitates with the maintenance to separate for later stage water and electricity, and simultaneously, the circulation pipeline of heat transfer water mainly is located the below that most needs the heating element of circular telegram, and the water droplet caused the electric leakage problem on heating element when can preventing to leak.

Referring to fig. 11 to 18, a frame 16 is disposed in the air inlet and/or the air outlet 103, the shape of the frame 16 is adapted to the corresponding air inlet or air outlet 103, and the frame 16 is integrally formed of aluminum alloy or sheet metal. A metal net 17 and a protective net 18 are disposed in the frame 16, the metal net 17 includes a plurality of metal wires which are formed in a staggered manner, and the plurality of metal wires are connected in a staggered manner to form a plurality of first through holes in the metal net 17. The protective net 18 is disposed closer to the inside of the casing 1 than the metal net 17, and the frame 16 is provided with a hem at the edge of one side corresponding to the outside of the casing 1 and the edge of one side corresponding to the inside of the casing 1, so as to limit the metal net 17 and the protective net 18 by the hem, and prevent the protective net 18 and the metal net 17 from being separated from the frame 16. The wire netting 17 serves to protect the protection net 18 from damaging the protection net 18 during handling. The protective net 18 is provided with a second through hole, the aperture of the first through hole is larger than that of the second through hole, so that the wind resistance of the metal net 17 can be effectively reduced, and the heat dissipation efficiency of the cold water air conditioner of the energy storage cabinet is improved. In this embodiment, the metal mesh 17 is made of iron wire, which has high strength and is not easy to deform.

In the first air inlet 101 and the second air inlet 102, the protection net 18 is provided as a filter net for filtering and purifying impurities, and the aperture of the second through hole of the protection net 18 is smaller than that of the first through hole of the metal net 17, so that the sand and dust impurities are prevented from entering the inside of the housing 1, and the internal structure of the housing 1 is protected.

In the air outlet 103, the protection net 18 is provided as an aluminum alloy net. Constitute integrative aluminum alloy net through tensile aluminum alloy, the aperture of the second through-hole on the aluminum alloy net is less than the aperture of the first through-hole of metal mesh 17, and the second through-hole of less aperture can prevent that the user from stretching into casing 1 inside with the limbs, avoids causing the injury to the user.

In this embodiment, the frame 16 is formed by bending the same sheet metal part, and the frame 16 is surrounded by the bending mode of end-to-end connection. Specifically, the one end of frame 16 is 161, and the one end of meeting end to end with 161 is second end 162, and the range upon range of cover of second end 162 is established in 161 inside, all is provided with the perforation that corresponds each other on 161 and the second end 162, thereby the fastener is worn to establish the perforation with 161 and second end 162 fixed connection, and then finalizes the design with frame 16, has avoided frame 16's deformation. It can be set that the fastener penetrating the through hole is a riveting piece, and the frame 16 is fixed by riveting.

In this embodiment, a mounting plate 19 is disposed on the periphery of the frame 16, and the frame 16 is fixedly connected to a side plate 104 of the housing 1 through the mounting plate 19 at the first air inlet 101.

The assembly plate 19 includes a first plate 191, a second plate 192, and a third plate 193. The first panel 191 is disposed outside the bezel 16 between the bezel 16 and the side panel 104.

The first plate 191 is provided with a first fastening hole, and the first fastening hole and the frame 16 are penetrated by a first fastening member, so that the first plate 191 is fixedly connected to the frame 16.

A second plate 192 is connected to one end of the first plate 191, which is close to the outside of the casing 1, a bend is provided at the joint of the second plate 192 and the first plate 191, and the second plate 192 abuts against the outer wall of the side plate 104 provided with the first air inlet 101. The second plate 192 is provided with a second fastening hole, and the second fastening hole of the second plate 192 and the side plate 104 provided with the first air inlet 101 are penetrated by a second fastening member, so that the frame 16 is limited to avoid falling off to the outside of the casing 1. It is contemplated that the first fastener is a rivet that fixedly attaches the first plate 191 to the bezel 16 by riveting. The second fasteners are set screws to facilitate removable attachment of the bezel 16 to the side panel 104.

One end of the first plate 191 close to the inner side of the shell 1 is connected with a third plate 193, a bend is arranged at the connection part of the third plate 193 and the first plate 191, and the third plate 193 abuts against the outer wall of the frame 16 positioned in the shell 1 after being bent so as to limit the frame 16 from falling into the inner side of the shell 1. The frame 16 is fixedly connected in the first air inlet 101 by the fixed connection of the mounting plate 19.

The mounting plate 19 is disposed at the second intake vent 102 in the same manner, and will not be described in detail herein.

At the air outlet 103, the frame 16 is fixedly connected to the support beam 2 via a mounting plate 19. The first plate 191 of the fitting plate 19 is disposed outside the bezel 16 between the bezel 16 and the support beam 2.

The first plate 191 is provided with a first fastening hole, and the first fastening hole and the frame 16 are penetrated by a first fastening member, so that the first plate 191 is fixedly connected to the frame 16. It is contemplated that the first fastener is a rivet that fixedly attaches the first plate 191 to the bezel 16 by riveting.

A third plate 193 is connected to one end of the first plate 191 close to the outer side of the housing 1, a bend is arranged at the connection part of the third plate 193 and the first plate 191, and the third plate 193 abuts against the outer wall of the frame 16 positioned outside the housing 1 after being bent, so that the frame 16 is limited from falling into the inner side of the housing 1. The frame 16 is fixedly connected in the air outlet 103 by the fixed connection of the fitting plate 19.

A second plate 192 is connected to one end of the first plate 191 close to the inside of the housing 1, and a bent portion is provided at the connection between the second plate 192 and the first plate 191. A connecting plate is provided in the housing 1, and one end of the connecting plate is connected to the support beam 2 and the other end is connected to the second plate 192. Be provided with the second fastening hole on the second board 192, wear to establish second fastening hole and connecting plate through the second fastener to with second board 192 and connecting plate fixed connection, and then restriction frame 16 avoids droing to the outside of casing 1. It is possible to provide that the second fastening member is a fastening screw for facilitating detachable attachment of the frame 16 to the attachment member 22, and for facilitating detachment and cleaning of the frame 16, the wire netting 17, and the protection net 18.

Referring to fig. 19 to 22, in the present embodiment, a bottom case 20 and a case cover 21 are provided in the air duct, the bottom case 20 is connected to the inner wall of the housing 1, and the bottom case 20 is disposed in the middle of the inner space of the housing 1 and is fixedly connected to the mounting beam 4. Specifically, the bottom case 20 is constituted by a first enclosure 201, a second enclosure 202, and a third enclosure 203.

Second bounding wall 202 and third bounding wall 203 are connected respectively in the relative both sides of first bounding wall 201, are the contained angle between second bounding wall 202 and first bounding wall 201 and are connected, are the contained angle between third bounding wall 203 and first bounding wall 201 and connect.

The second enclosure 202 is disposed adjacent to the side panel 104 on the left side of the housing 1 with respect to the third enclosure 203. When the back box 20 is assembled, the back box 20 is placed in the middle of the case 1 and moved from the middle to the left. The second enclosing plate 202 is provided with a first bending edge 2021, and the first bending edge 2021 abuts against the mounting beam 4, so that the first bending edge 2021 is erected on the bending beam. The second enclosing plate 202 is further provided with a fixing hole 2022, and the second enclosing plate 202 is fixedly connected to the mounting cross beam 4 by a fastener penetrating through the fixing hole 2022 and the mounting cross beam 4. In this embodiment, two fixing holes 2022 are provided.

Opposite ends of the third surrounding plate 203 are connected to the side plate 104 on the front side of the housing 1 and the side plate 104 on the rear side of the housing 1, respectively. The front side and the rear side of the third enclosing plate 203 are respectively provided with a flange 2031, the flanges 2031 on the front side and the rear side are respectively abutted against the side plate 104 on the front side of the housing 1 and the side plate 104 on the rear side of the housing 1, and the flange 2031 is provided with a connecting hole 2032. The third surrounding plate 203 is fixedly connected with the side plate 104 on the front side of the housing 1 by a fastener passing through the connecting hole 2032 of the front side flange 2031 and the side plate 104 on the front side of the housing 1. The third surrounding plate 203 is fixedly connected with the side plate 104 at the rear side of the casing 1 by the fastener penetrating through the connecting hole 2032 on the rear side flange 2031 and the side plate 104 at the rear side of the casing 1, so that the bottom case 20 is fixedly connected with the casing 1.

The first bending edge 2021 is disposed on one side of the second enclosing plate 202 far away from the first enclosing plate 201, the second bending edge 2033 is disposed on one side of the third enclosing plate 203 far away from the first enclosing plate 201, and the first fitting hole 2034 is disposed on each of the first bending edge 2021 and the second bending edge 2033.

The box cover 21 is provided with a second adaptive hole 211 corresponding to the first adaptive hole 2034, and the box cover 21 and the bottom box 20 are fixedly connected and encircled to form a forklift hole by a fastener penetrating through the first adaptive hole 2034 and the second adaptive hole 211 corresponding to the first adaptive hole 2034. The forklift hole is a through hole communicating with the outside of the housing 1.

Two box covers 21 and a bottom box 20 are arranged in the shell 1, and the box covers 21 and the bottom box 20 are symmetrically arranged on the left side and the right side of the shell 1, so that a forklift can insert a forklift rod into a forklift hole to transfer an air conditioner.

Lid 21, end box 20 and casing 1 sealing connection to form seal structure, prevent that impurity such as dust from getting into casing 1 inside, avoid causing corrosion damage to fan, refrigerant heat exchanger 12 etc..

In some embodiments, at least a portion of the mounting beams 4 is disposed below the box cover 21, i.e. the box cover 21 is disposed higher than the mounting beams 4, so that the box cover 21 can bear weight by the mounting beams 4 during transportation by a forklift, and the structural strength of the box cover 21 can be reduced, so that the box cover 21 can be made of other materials such as plastics.

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 the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for 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 implicitly indicating 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 should 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. An energy storage cabinet cold water air conditioner is characterized by comprising:

a housing having an air outlet;

the water inlet pipe is at least partially arranged at the bottom of the inner space of the shell;

the plate heat exchanger is arranged in the middle of the inner space of the shell, and the water inlet pipe is communicated to the plate heat exchanger;

a compressor disposed at a middle portion of the inner space of the housing;

the refrigerant heat exchanger is arranged at the upper part of the inner space of the shell and corresponds to the air outlet;

a refrigerant circulation circuit for circulating a refrigerant in the compressor, the refrigerant heat exchanger, the throttle valve, and the plate heat exchanger;

the fan is arranged corresponding to the refrigerant heat exchanger and used for driving air to exchange heat with the refrigerant heat exchanger;

at least part of the water outlet pipe is arranged at the bottom of the inner space of the shell and communicated to the plate heat exchanger, and the water outlet pipe is used for circulating heat exchange water; and the heat exchange water enters the plate heat exchanger through the water inlet pipe, exchanges heat with the refrigerant circulation loop and then flows out of the water outlet pipe to exchange heat with the battery pack in the energy storage cabinet.

2. The energy storage cabinet cold water air conditioner of claim 1,

the water pump is arranged between the plate heat exchanger and the water inlet pipe and drives the heat exchange water to circularly flow.

3. The energy storage cabinet cold water air conditioner of claim 2,

the inlet tube includes:

the water inlet branches are arranged in parallel;

the first water inlet main pipe is communicated with the plurality of water inlet branches and is connected with the plurality of water pumps connected in parallel in series;

and one side of the second water inlet main pipe is connected with the plurality of water pumps connected in parallel in series, and the other side of the second water inlet main pipe is communicated with the plate heat exchanger.

4. The energy storage cabinet cold water air conditioner of claim 3, further comprising:

and one end of the liquid injection pipe is a liquid injection port for injecting the heat exchange water, and the other end of the liquid injection pipe is connected to the first water inlet header pipe.

5. The energy storage cabinet cold water air conditioner of claim 3,

the first water inlet main pipe is internally provided with a pressure sensor, the pressure sensor is used for detecting the pressure of the heat exchange water in the water inlet pipe, and the controller controls the rotating speed of the water pump according to detected pressure data.

6. The energy storage cabinet cold water air conditioner of claim 3, further comprising:

and the heater is connected with the plate heat exchanger and is used for heating the temperature of the heat exchange water flowing through the plate heat exchanger.

7. The energy storage cabinet cold water air conditioner as claimed in claim 6, comprising:

the first water inlet main pipe is internally provided with a temperature sensor, the temperature sensor is used for detecting the temperature of the heat exchange water in the water inlet pipe, and the controller controls the start and stop of the heater according to the detected temperature data.

8. The energy storage cabinet cold water air conditioner as claimed in claim 1, comprising:

the mounting cross beam is arranged inside the shell and is arranged along the inner wall of the shell;

the mounting support is arranged inside the shell and below the mounting cross beam, and the mounting cross beam and the mounting support divide the inner space of the shell into an upper part, a middle part and a bottom part.

9. The energy storage cabinet cold water air conditioner of claim 8,

the shell is formed by a plurality of side plates in an enclosing mode, a supporting beam is arranged at the joint of the adjacent side plates, and the mounting cross beam and the mounting support are fixedly connected with the supporting beam.

10. An energy storage cabinet cold water air conditioner according to claim 9, comprising:

an angle plate is arranged between the mounting cross beam and the supporting beam and fixedly connected with the mounting cross beam and the supporting beam.

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