Control cabinet for heating and ventilation equipment and heating and ventilation equipment

Abstract

The control cabinet comprises a cabinet body, a power supply module and a control module, the power supply module is used for supplying power to the heating and ventilation equipment, the control module is used for controlling or displaying the operation state of the heating and ventilation equipment, and the power supply module and the control module are electrically connected and integrated in the cabinet body. According to the control cabinet for the heating and ventilation equipment and the heating and ventilation equipment in the embodiment of the utility model, the power supply module and the control module are integrated in the control cabinet, so that the number of parts and connecting wires can be reduced while the power supply and control of the heating and ventilation equipment are realized, the assembly is more convenient, the debugging and maintenance time is shorter, and the cost is reduced. The production and maintenance cost can be effectively reduced; and the layout of equipment can be optimized, so that the occupied space is more compact, and the attractive degree of the whole machine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power equipment, in particular to a control cabinet for HVAC equipment and the HVAC equipment. Background Art

[0002] For electric control systems containing reactors (usually AC input reactors) and weak current control parts, especially for single-head magnetic suspension systems, the starter cabinet provides power and protection for the power electricity, and the control cabinet controls the entire machine. The connection between the starter cabinet and the control cabinet is complicated, and the equipment occupies a large space. When equipment failure occurs, the starter cabinet and the control cabinet need to be opened separately for investigation, and some connections may need to be disassembled and reorganized, which consumes time and effort. Utility Model Content

[0003] The utility model aims to solve one of the technical problems in the related art at least to a certain extent.

[0004] To this end, one purpose of the utility model is to propose a control cabinet for HVAC equipment, which integrates the power supply module and the control module in the control cabinet, thereby reducing the number of parts and connecting wires, effectively reducing production and maintenance costs, and improving the aesthetics of the entire machine.

[0005] According to the control cabinet for HVAC equipment in the embodiment of the utility model, it includes a cabinet body, a power supply module and a control module. The power supply module is used to supply power to the HVAC equipment, and the control module is used to control or display the operating status of the HVAC equipment. The power supply module and the control module are electrically connected and integrated in the cabinet body.

[0006] According to the control cabinet for HVAC equipment in the embodiment of the utility model, by integrating the power supply module and the control module in the control cabinet, the number of parts and connecting wires can be reduced while realizing the power supply and control of the HVAC equipment, making assembly more convenient, and the debugging and maintenance time shorter, which can effectively reduce the production and maintenance costs; it can also optimize the layout of the equipment, make the occupied space more compact, and improve the aesthetics of the whole machine.

[0007] In addition, the control cabinet for HVAC equipment according to the above embodiment of the utility model may also have the following additional technical features:

[0008] Optionally, the power supply module includes a high-voltage device and / or a first low-voltage device; the control module includes a second low-voltage device, the operating voltage of the high-voltage device is higher than a predetermined value, and the operating voltages of the first low-voltage device and the second low-voltage device are lower than a predetermined value; the cabinet includes a first cavity and a second cavity, the high-voltage device is arranged in the first cavity, and the first low-voltage device and the second low-voltage device are arranged in the second cavity.

[0009] Optionally, the first cavity and the second cavity are electromagnetically isolated.

[0010] Optionally, the control cabinet further includes a shielding cover, which is connected to the cabinet body and covers the electronic components in the first cavity.

[0011] Optionally, the control cabinet further includes a door body, which is connected to the cabinet body and is used to open and close the second cavity, and the door body is relatively independent of the first cavity.

[0012] Optionally, the first cavity and the second cavity are arranged along the up-down direction.

[0013] Optionally, the power supply module includes a plurality of high-voltage components, the plurality of high-voltage components include a circuit breaker and a reactor, and the circuit breaker and the reactor are electrically connected.

[0014] Optionally, the control module includes a plurality of second low-voltage devices, and the plurality of second low-voltage devices include a first control board and a switch assembly, and the first control board and the switch assembly are electrically connected.

[0015] Optionally, the control cabinet further includes an input terminal for connecting to a power source and an output terminal for connecting to a compressor, and the input terminal and the output terminal are respectively arranged on the side walls of the first cavity.

[0016] Optionally, the control cabinet further includes a heat dissipation module, which is connected to the cabinet and configured to drive airflow through an internal space of the cabinet to dissipate heat from the internal space of the cabinet.

[0017] Optionally, the cabinet has a first cavity and a second cavity arranged and connected along a first direction, the first cavity has a first vent, and the second cavity has a second vent. In the projection of the first direction, the first vent and the second vent are arranged on opposite sides of the cabinet along a second direction, and the second direction is perpendicular to the first direction.

[0018] Optionally, the power supply module is disposed in the first cavity, the control module is disposed in the second cavity, and the heat dissipation module is configured to drive airflow from the second vent to the first vent.

[0019] Optionally, at least one of the first vent and the second vent is provided with a shutter structure, and the shutter structure is configured to form an air duct that is inclined downward in a direction from inside the cabinet to outside the cabinet.

[0020] Optionally, the cabinet includes a cabinet body and a partition, wherein the partition is arranged in the cabinet body and separates a first cavity and a second cavity in the cabinet body.

[0021] Optionally, a through hole is provided on the partition to connect the first cavity and the second cavity, and the through hole includes at least one of a first wire hole and a ventilation hole.

[0022] Optionally, the cabinet has a first cavity and a second cavity, the power supply module is arranged in the first cavity, and at least a part of the control module is arranged in the second cavity.

[0023] Optionally, a second control panel is provided on the side wall of the cabinet, and the second control panel is stacked on the outer wall surface or the inner wall surface of the cabinet.

[0024] Optionally, a second wire passing hole is provided on the bottom wall of the cabinet.

[0025] Another object of the present invention is to provide a HVAC device, which includes the aforementioned control cabinet for the HVAC device.

[0026] According to the HVAC equipment in the embodiment of the utility model, it includes the control cabinet and the compressor for HVAC equipment as described in any one of the above items, and the compressor is electrically connected to the power supply module and the control module.

[0027] According to the HVAC equipment in the embodiment of the utility model, by applying the aforementioned control cabinet, the compressor of the HVAC equipment is electrically connected to the power supply module and the control module of the control cabinet respectively, which can ensure that the compressor obtains the required power supply and realizes the transmission of control signals at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the structure of a control cabinet for HVAC equipment in some embodiments of the utility model.

[0029] Figure 2 It is a front view of a control cabinet for HVAC equipment in some embodiments of the utility model.

[0030] Figure 3 It is a right side view of a control cabinet used for HVAC equipment in some embodiments of the utility model.

[0031] Figure 4 It is a left view of a control cabinet for HVAC equipment in some embodiments of the utility model.

[0032] Figure 5 It is a structural schematic diagram of a base plate of a control cabinet for HVAC equipment in some embodiments of the utility model.

[0033] Figure 6 It is a schematic structural diagram of a partition plate of a control cabinet for HVAC equipment in some embodiments of the utility model.

[0034] Figure numerals: control cabinet 100, cabinet body 110, power supply module 120, control module 130, first chamber 111, second chamber 112, door body 113, door lock 114, circuit breaker 121, reactor 122, first control board 131, switch assembly 132, control electric air switch 133, relay 134, touch screen 135, indicator light 136, emergency stop button 137, incoming line terminal 115, outgoing line terminal 116, heat dissipation module 140, first vent 117a, second vent 117b, partition 118, bottom plate 119, first wire hole 123, vent 124, second wire hole 125, electronic expansion valve drive board control board 138, cloud module control board 139. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0036] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. In addition, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0037] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In addition, in the present application, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0039] The present application provides a control cabinet 100 and HVAC equipment for HVAC equipment, which are described in detail below. It should be noted that the description order of the following embodiments does not limit the preferred order of the embodiments of the present application. In the following embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0040] The embodiments of the present utility model are described in detail below. Figure 1 As shown, a control cabinet 100 for HVAC equipment according to an embodiment of the utility model includes a cabinet body 110, a power supply module 120 and a control module 130. The power supply module 120 is used to supply power to the HVAC equipment, and the control module 130 is used to control or display the operating status of the HVAC equipment. The power supply module 120 and the control module 130 are electrically connected and integrated in the cabinet body 110.

[0041] Specifically, the control cabinet 100 for HVAC equipment integrates a power supply module 120 and a control module 130 for powering and controlling the HVAC equipment. The cabinet 110 is the shell of the control cabinet 100, which is used to protect the power supply module 120 and the control module 130, and provide a mechanical support and installation structure. The power supply module 120 can receive electrical energy from the power grid or other power sources and convert it into electricity suitable for use by HVAC equipment. The power supply module 120 can also have power management and protection functions to ensure the reliability and safety of power supply. The control module 130 can receive signals from sensors or other devices and control the operation of the HVAC equipment according to preset logic or algorithms. The control module 130 can also have a display screen or panel for displaying the status, parameters and fault information of the equipment, which is convenient for operation and maintenance. The power supply module 120 and the control module 130 are electrically connected to realize the power supply of the HVAC equipment by the power supply module 120 and the monitoring and control of the operating status of the equipment by the control module 130, which is convenient for operators to operate and manage the HVAC equipment.

[0042] According to the control cabinet 100 for HVAC equipment in the embodiment of the utility model, by integrating the power supply module 120 and the control module 130 in the control cabinet 100, while realizing the power supply and control of the HVAC equipment, the number of parts and connecting wires can be reduced, making assembly more convenient, and the debugging and maintenance time is also shorter, which can effectively reduce the production and maintenance costs; it can also optimize the layout of the equipment, make the occupied space more compact, and improve the aesthetics of the whole machine.

[0043] In some embodiments, the power supply module 120 includes a high voltage device and / or a first low voltage device; the control module 130 includes a second low voltage device, the working voltage of the high voltage device is higher than a predetermined value, and the working voltage of the first low voltage device and the second low voltage device is lower than a predetermined value; the cabinet 110 includes a first cavity 111 and a second cavity 112, the high voltage device is arranged in the first cavity 111, and the first low voltage device and the second low voltage device are arranged in the second cavity 112. Specifically, the power supply module 120 provides power and protection to the system or equipment, including a high voltage device and / or a first low voltage device, the high voltage device can be used to provide power with a working voltage higher than a predetermined value, for example, in a voltage range of several hundred volts to several thousand volts; the first low voltage device can be used to provide power with a working voltage lower than a predetermined value but obviously higher than the second low voltage device, for example, 110V, 220V, etc., to meet the requirements of different parts or components for different voltage levels to ensure the normal operation of the equipment. The control module 130 is used to control the operating state of the system or device and execute instructions, including a second low-voltage device, the operating voltage of which is usually low, for example, in the voltage range of several volts to tens of volts, and is used to implement functions such as circuit control, signal processing, and data transmission. Figure 1 The cabinet 110 is composed of a first cavity 111 and a second cavity 112. The first cavity 111 is used to hold high-voltage devices, and the second cavity 112 is used to hold a first low-voltage device and a second low-voltage device. By separating the high-voltage devices and the low-voltage devices and placing them in different cavities, the interference of the high-voltage circuit on the low-voltage circuit can be reduced, and better safety and maintenance flexibility can be provided.

[0044] In some embodiments, the first cavity 111 and the second cavity 112 are electromagnetically isolated. Specifically, electromagnetic shielding materials or appropriate isolation shells can be used between the first cavity 111 and the second cavity 112 to prevent the transmission of electromagnetic interference, such as metal materials such as iron, aluminum, copper, or electromagnetic shielding paints with conductive particles added. The use of electromagnetic shielding materials or isolation shells can limit the propagation of electromagnetic fields and electromagnetic waves, ensuring that the devices in the first cavity 111 and the second cavity 112 can operate independently without being disturbed by external electromagnetic interference, so as to effectively isolate high-voltage devices and low-voltage devices, prevent electromagnetic interference of high-voltage devices from affecting low-voltage devices, avoid failures or damage caused by electromagnetic interference, and protect the stability and electrical safety of the equipment.

[0045] In some embodiments, the control cabinet 100 further includes a shielding cover, which is connected to the cabinet body 110 and covers the electronic devices in the first cavity 111. Specifically, the shielding cover can provide electromagnetic shielding protection by absorbing or reflecting the external electromagnetic field. The shielding cover is installed on the control cabinet 100 and covers the electronic devices in the first cavity 111, which can provide a sufficient electromagnetic shielding environment for the high-voltage devices in the first cavity 111. On the one hand, it can reduce the impact of external electromagnetic interference on the high-voltage devices in the first cavity 111, and on the other hand, it can also limit the electromagnetic interference of the high-voltage devices in the first cavity 111. The impact on the first low-voltage device and the second low-voltage device in the second cavity 112 can be limited to improve the reliability of the equipment. The high-voltage device in the first cavity 111 may generate a lot of heat during operation, especially under long-term operation or high load. Heat dissipation holes can be set on the shielding cover to facilitate the heat dissipation of the electronic devices. The number and size of the heat dissipation holes should try to maintain the shielding effect of the shielding cover while ensuring heat dissipation.

[0046] In some embodiments, the control cabinet 100 further includes a door body 113, which is connected to the cabinet body 110 and is used to open and close the second cavity 112, and the door body 113 is relatively independent from the first cavity 111. Specifically, the control cabinet 100 is provided with a door body 113, and the door body 113 can be connected to the cabinet body 110 through an appropriate connector or hinge. The door body 113 is used to open and close the second cavity 112, and the first low-voltage device and the second low-voltage device in the second cavity 112 can be easily accessed and maintained. The door body 113 is relatively independent from the first cavity 111. When the second cavity 112 is opened or closed, the state and electronic devices of the first cavity 111 will not be directly affected, and the high-voltage device in the first cavity 111 can be prevented from causing potential danger to the human body when the operator opens the door body 113 for maintenance or repair, so that the operation and maintenance of the first cavity 111 and the second cavity 112 can be more convenient and safe. In addition, in order to ensure safety and ease of operation, the door body 113 may also be configured with an appropriate door lock 114 for locking or opening, and may also be provided with a suitable handle, pull or other device for easy operation.

[0047] Of course, in some embodiments, the door body 113 can also be configured to simultaneously open and close the first cavity 111 and the second cavity 112, see Figure 2 When frequent access to the first chamber 111 and the second chamber 112 is required, such as when maintenance, inspection and testing of high-voltage and low-voltage equipment is required, the two chambers of the control cabinet 100 can be easily accessed by opening the door 113 .

[0048] In some embodiments, see Figure 2, a touch screen 135 and / or an indicator light 136 may be installed on the surface of the cabinet 110. The touch screen 135 may be used to display and adjust the parameters of the cabinet 110. Through the touch screen 135, the operator may perform various interactive controls, such as setting the temperature, adjusting the brightness, and controlling the equipment inside the cabinet 110. The indicator light 136 may be used to display the working status or warning information of the cabinet 110. The indicator light 136 may be a single-color or multi-color LED light, and different information may be conveyed through different colors and flashing modes. For example, a green indicator light 136 may be used to indicate that the cabinet 110 is working properly, and a red indicator light 136 may be used to indicate that the cabinet 110 has a problem or an alarm state.

[0049] Also, see Figure 2 An emergency stop button 137 may also be provided on the cabinet 110 to quickly shut down the equipment in the cabinet 110 or stop its operation in an emergency to ensure the safety of the equipment and operators.

[0050] In some embodiments, the first cavity 111 and the second cavity 112 are arranged in the up-down direction. Figure 1 The first cavity 111 and the second cavity 112 are distributed in the internal space of the cabinet 110 and are arranged in the up-down direction. The specific up-down relationship between the first cavity 111 and the second cavity 112 can be set according to the actual application situation. The first cavity 111 can be at the top and the second cavity 112 can be at the bottom, or the second cavity 112 can be at the top and the first cavity 111 can be at the bottom. Taking the output end of the high-voltage device as a compressor as an example, the up-down relationship between the first cavity 111 and the second cavity 112 depends on the position of the compressor, so that it is convenient to connect to the height of the compressor to reduce electromagnetic interference. By arranging the first cavity 111 and the second cavity 112 in the up-down direction, the height space of the control cabinet 100 can be fully utilized to reduce the volume of the control cabinet 100. At the same time, the line layout can be conveniently carried out to effectively avoid interference and interference between high-voltage devices and low-voltage devices.

[0051] In some embodiments, the power supply module 120 includes a plurality of high-voltage devices, the plurality of high-voltage devices including a circuit breaker 121 and a reactor 122, and the circuit breaker 121 and the reactor 122 are electrically connected. Figure 1 The power supply module 120 includes a circuit breaker 121 and a reactor 122. The circuit breaker 121 is used to automatically cut off the circuit when a circuit fault occurs to ensure the safety of the circuit and the equipment. The reactor 122 is used for filtering and anti-shake processing. When current flows in the circuit, the reactor 122 generates an interaction between the electric field and the magnetic field, thereby limiting the current within a certain range to ensure the stability of the circuit. The circuit breaker 121 and the reactor 122 are electrically connected to achieve stable and efficient current control and conversion, and realize the expected electrical performance.

[0052] Of course, the power supply module 120 may also include other components, such as a transformer, a rectifier, an overload protector, etc. These components may be selected and combined according to specific application requirements to achieve the required power management and protection functions.

[0053] In some embodiments, the control module 130 includes a plurality of second low-voltage devices, the plurality of second low-voltage devices include a first control board 131 and a switch assembly 132, and the first control board 131 and the switch assembly 132 are electrically connected. Figure 1 The control module 130 includes a first control panel 131 and a switch assembly 132. The first control panel 131 can be used to monitor and control various parameters and working states of the unit, such as voltage, current, temperature, pressure, speed, etc., to achieve control and regulation of the overall operation of the unit. The first control panel 131 can also automatically adjust the operating state of the unit according to the preset control strategy and the set working mode, and realize functions such as automatic switching, automatic start, and automatic stop. The switch assembly 132 can include a switching power supply, a control electric air switch 133, a relay 134, etc. The switching power supply controls the input power supply through a high-frequency switch, and adjusts the output voltage and current by controlling the switching state of the switch. The control electric air switch 133 is used to control the opening and closing of the circuit of the larger power load, and the relay 134 can be used to control the opening and closing of the smaller power circuit. These switch assemblies 132 can provide important functions such as power conversion, current control, and signal transmission in the power system. The first control panel 131 and the switch assembly 132 are electrically connected to achieve stable and efficient energy conversion and management.

[0054] In some embodiments, the control cabinet 100 further includes an inlet terminal 115 for connecting to a power source and an outlet terminal 116 for connecting to a compressor, and the inlet terminal 115 and the outlet terminal 116 are respectively disposed on the side walls of the first chamber 111. Figure 1The inlet terminal 115 is the power input interface between the control cabinet 100 and the external power supply. The inlet terminal 115 may include a wire interface socket or a wiring terminal to connect the power line to the first cavity 111 of the control cabinet 100, and connect with other electrical equipment through the wiring terminal or other connection methods to ensure the power supply of the control cabinet 100. The outlet terminal 116 is the power output interface between the control cabinet 100 and the compressor or other equipment, which is used to transmit the power signal from the first cavity 111 of the control cabinet 100 to the compressor or other equipment. The outlet terminal 116 may also include a wire interface socket, and connect the wire to the compressor or other equipment through an appropriate wiring method. The inlet terminal 115 and the outlet terminal 116 are respectively arranged on the side walls of the first cavity 111. By arranging the inlet terminal 115 and the outlet terminal 116 on the side walls of the first cavity 111 of the control cabinet 100, the control cabinet 100 can realize the connection and management of the power supply and the compressor, ensure the safe supply of electricity and the normal operation of the control system, and make the wiring and connection of the wires neater and more orderly, which helps to keep the structure of the control cabinet 100 compact, ensure the connection reliability between the power supply and the equipment, and facilitate maintenance and operation.

[0055] In some embodiments, the control cabinet 100 further includes a heat dissipation module 140, which is connected to the cabinet 110 and configured to drive airflow through the interior space of the cabinet 110 to dissipate heat from the interior space of the cabinet 110. Figure 1 The heat dissipation module 140 can dissipate the heat generated by the electronic devices and other components in the control cabinet 100 during operation. The heat dissipation module 140 can exist in the form of a heat dissipation fan, a heat sink, a heat pipe or a heat exchanger. Taking the heat dissipation fan as an example, the heat dissipation fan can be driven by a motor to generate air flow and discharge hot air outside the cabinet 110. The heat dissipation fan can be controlled by the first control board 131 or a temperature sensor. The first control board 131 can monitor the temperature inside the cabinet 110 and adjust the speed of the heat dissipation fan according to a preset temperature range. When the temperature exceeds the set threshold, the first control board 131 will increase the speed of the heat dissipation fan to increase the heat dissipation capacity. When the temperature drops to within the set range, the first control board 131 will reduce the speed of the heat dissipation fan or turn it off. The heat dissipation module 140 is connected to the cabinet 110 and can be fixed in a specific position inside the cabinet 110 in various ways, such as around high-voltage devices, to ensure good heat conduction and heat dissipation effects, which helps to maintain the stability of the internal temperature of the control cabinet 100 and ensure the normal operation of the internal electronic devices.

[0056] In some embodiments, the cabinet 110 has a first cavity 111 and a second cavity 112 arranged and connected along a first direction, the first cavity 111 has a first vent 117a, and the second cavity 112 has a second vent 117b. In the projection of the first direction, the first vent 117a and the second vent 117b are respectively arranged on opposite sides of the cabinet 110 along a second direction, and the second direction is perpendicular to the first direction. For details, please refer to Figure 1 , Figure 1 The up-down direction is the first direction, and the cabinet 110 is arranged along the first direction with a first cavity 111 and a second cavity 112 connected to each other. The first cavity 111 and the second cavity 112 are arranged in the up-down direction. The first cavity 111 has a first vent 117a, and the second cavity 112 has a second vent 117b. Figure 1 The left-right direction in the figure is the second direction, which is perpendicular to the up-down direction, that is, the second direction is perpendicular to the first direction, and the first vent 117a and the second vent 117b are respectively located at opposite sides of the cabinet 110 along the left-right direction, that is, the first vent 117a and the second vent 117b are not only respectively located at the upper and lower ends of the cabinet 110, but also respectively located at the left and right sides of the cabinet 110, see Figure 3 and Figure 4 , the first vent 117a can be located on the upper left side, the second vent 117b can be located on the lower right side, or the first vent 117a can be located on the upper right side, and the second vent 117b can be located on the lower left side. The beneficial effect of such a setting is that the length of the air duct can be effectively increased, and by setting vents on different sides of the cabinet 110, the circulation of air in the cabinet 110 can be achieved, and the heat inside the control cabinet 100 can be effectively discharged. It can also balance the air flow, avoid dead corners and local overheating, improve the heat dissipation effect inside the entire cabinet 110, and ensure the stability and reliability of the equipment during long-term operation.

[0057] In some embodiments, the power supply module 120 is disposed in the first cavity 111, the control module 130 is disposed in the second cavity 112, and the heat dissipation module 140 is configured to drive the air flow from the second vent 117b to the first vent 117a. Figure 1In combination with the foregoing embodiments, the first vent 117a is located in the first cavity 111, the second vent 117b is located in the second cavity 112, and the heat dissipation module 140 is configured to drive the airflow from the second vent 117b to the first vent 117a, that is, the heat dissipation module 140 is configured to drive the airflow from the second cavity 112 to the first cavity 111, and the second cavity 112 is mainly provided with low-voltage devices such as the control module 130, which generate relatively less heat, and the first cavity 111 is provided with high-voltage devices such as the power supply module 120, which generate relatively more heat. The first cavity 111 is arranged above the second cavity 112, that is, the hot air is mainly above the cabinet 110. According to the natural law of air flow, the hot air will rise during convection. If the airflow is guided from the first vent 117a to the second vent 117b, that is, from the first cavity 111 to the second cavity 112, it is contrary to the law of natural convection, resulting in the difficulty of effectively discharging the hot air from the control cabinet 100, affecting the heat dissipation effect, and may also cause the hot air to stay in the second cavity 112 and flow back to the first cavity 111. On the contrary, by guiding the airflow from the second vent 117b to the first vent 117a, the discharge of hot air can be accelerated. In addition, the temperature of the hot air in the first cavity 111 is higher than the temperature of the air in the second cavity 112. If the hot air in the first cavity 111 flows to the second cavity 112, that is, the hot air flows from the first vent 117a to the second vent 117b, it may affect the low-voltage components in the second cavity 112 and bring unnecessary safety risks. Therefore, the heat dissipation module 140 is configured to drive the airflow from the second vent 117b to the first vent 117a, and then directly discharge the hot air out of the cabinet 110 through the first vent 117a.

[0058] In some embodiments, at least one of the first vent 117a and the second vent 117b is provided with a shutter structure, and the shutter structure is configured as an air duct that tilts downward from the inside of the cabinet 110 to the outside of the cabinet 110. Specifically, a large amount of heat will be generated inside the control cabinet 100. If the air cannot flow and discharge in time, the temperature inside the control cabinet 100 will rise, thereby affecting the normal operation of the equipment and components. The shutter structure can effectively control the inlet and outlet and flow direction of the air, ensure the gas and temperature exchange inside and outside the control cabinet 100, thereby improving the heat dissipation and ventilation effect. The air duct that tilts downward from the inside of the cabinet 110 to the outside of the cabinet 110 can form a path for airflow to fall in the vertical direction, and the air in the cabinet 110 will tend to flow downward outward along the air duct, thereby guiding the air to flow out faster. In addition, the inclination of the shutter structure can also prevent external debris from entering the inside of the control cabinet 100, reducing the pollution to the equipment and components.

[0059] In some embodiments, the cabinet 110 includes a cabinet body and a partition 118. The partition 118 is disposed in the cabinet body and separates the first cavity 111 and the second cavity 112 in the cabinet body. Figure 1 The cabinet body is the main frame of the control cabinet 100, which can be formed by die casting or welding to ensure firmness and durability. A partition 118 is provided inside the cabinet body, and the partition 118 can effectively separate the internal space of the cabinet body. Through the setting of the partition 118, the space inside the control cabinet 100 body can be divided into different areas, namely the first cavity 111 and the second cavity 112, to accommodate different equipment and components and provide them with a suitable working environment and protection. For example, the first cavity 111 can be used to install the high-voltage components of the control cabinet 100, and the second cavity 112 can be used to install the first low-voltage components and the second low-voltage components of the control cabinet 100.

[0060] Preferably, the partition 118 can adopt a sheet metal structure with an electromagnetic isolation function to avoid unnecessary electromagnetic interference between the components of the first cavity 111 and the second cavity 112, provide better sealing for the first cavity 111 and the second cavity 112, protect the normal operation of the internal components, and ensure the overall stability and reliability of the control cabinet 100. In addition, the partition 118 of the sheet metal structure can also serve as a mechanical support structure of the control cabinet 100, thereby enhancing the structural strength of the control cabinet 100.

[0061] In some embodiments, the partition 118 is provided with a through hole to connect the first cavity 111 and the second cavity 112, and the through hole includes at least one of a first wire hole 123 and a ventilation hole 124. Figure 6 Specifically, a first wire hole 123 is provided on the partition 118, so that wires, cables or signal lines can be easily passed from the first cavity 111 through the partition 118 to the components in the second cavity 112, so as to realize the lead-out and connection of the wires, maintain the connectivity of the circuit, and make the maintenance and wiring of the components inside the control cabinet 100 more convenient. Ventilation holes 124 are provided on the partition 118 to promote the air flow between the first cavity 111 and the second cavity 112, increase the ventilation effect inside the control cabinet 100, and thus reduce heat accumulation and overheating of components. Of course, the setting of the vias must also take into account the impact on the electromagnetic compatibility and sealing of the control cabinet 100. If necessary, necessary shielding measures may need to be taken to ensure that the setting of the vias does not introduce unnecessary electromagnetic interference.

[0062] In some embodiments, the cabinet 110 has a first cavity 111 and a second cavity 112, the power supply module 120 is arranged in the first cavity 111, and at least a part of the control module 130 is arranged in the second cavity 112. Specifically, the power supply module 120 usually generates a certain amount of heat. The power supply module 120 is isolated from a part of the control module 130 by the first cavity 111 and the second cavity 112. The heat generated by the power supply module 120 can be isolated from at least a part of the control module 130 to prevent overheating from affecting part of the control module 130, so as to ensure the normal operation of the control module 130 and extend its service life. In addition, by separating the power supply module 120 and the control module 130 into different chambers, maintenance and protection can be carried out more conveniently. For example, when the power supply module 120 needs to be replaced or repaired, it is only necessary to enter the first cavity 111 without interfering with the control module 130 in the second cavity 112.

[0063] In some embodiments, a second control panel is disposed on the side wall of the cabinet 110, and the second control panel is stacked on the outer wall surface or the inner wall surface of the cabinet 110. Figure 3 and Figure 4Specifically, the second control board may include an electronic expansion valve drive board control board 138 and a cloud module control board 139. The electronic expansion valve drive board control board 138 is used to control the electronic expansion valve. The electronic expansion valve drive board control board 138 receives signals from sensors and other control elements, such as temperature sensors, pressure sensors, etc., and processes and analyzes these signals. According to the set control algorithm and logic, the electronic expansion valve drive board control board 138 can generate corresponding control signals and send them to the electronic expansion valve drive board. The electronic expansion valve drive board receives the control signal sent by the electronic expansion valve drive board control board 138, converts it into a signal suitable for driving the electronic expansion valve, controls the opening of the electronic expansion valve through the electronic expansion valve drive board, and adjusts the flow of the refrigerant, thereby realizing the control of the refrigeration system. The cloud module control board 139 can be used to control the cloud module. The cloud module control board 139 can send instructions or requests to the cloud module through the communication interface with the cloud module, so as to realize remote control of the device or system. For example, the cloud module control board 139 can send a temperature adjustment instruction to the cloud module, and then pass it to the corresponding device or actuator through the cloud module to achieve remote adjustment. At the same time, the cloud module can also transmit the status, data and other information of the device or system back to the cloud server. The cloud module control board 139 can receive instructions, parameters or configuration information sent by the cloud server through the communication interface with the cloud module, thereby realizing remote monitoring and management of the device or system. The electronic expansion valve drive board control board 138 and the cloud module control board 139 are directly stacked on the outer wall or inner wall of the cabinet 110, which can facilitate wiring and connection. The components and interfaces on the electronic expansion valve drive board control board 138 and the cloud module control board 139 can be directly connected to the equipment inside the cabinet 110, avoiding long-distance wiring, and can also effectively save space, making the entire control system look neater and more beautiful.

[0064] In some embodiments, a second wire hole 125 is provided on the bottom wall of the cabinet 110. Figure 5, a second wire-passing hole 125 is provided on the bottom plate 119 of the cabinet 110 for convenient wiring. Cables or harnesses can pass through the second wire-passing hole 125 from the bottom and be connected to various devices in the cabinet. In combination with the above-mentioned embodiment, the cabinet 110 is divided into a first cavity 111 at the top and a second cavity 112 at the bottom. The side walls of the first cavity 111 are respectively provided with an inlet terminal 115 for connecting to a power source and an outlet terminal 116 for connecting to a compressor. A partition 118 is provided between the first cavity 111 and the second cavity 112. The partition 118 is provided with a first wire-passing hole 123. The components in the first cavity 111 and the components in the second cavity 112 are electrically connected through the first wire-passing hole 123 on the partition 118. The components in the second cavity 112 can be connected to sensors, throttling systems, etc. through the second wire-passing hole 125. By providing the second wire-passing hole 125 on the bottom wall, the circuit routing and wiring process can be greatly simplified, keeping it neat and improving the overall aesthetics.

[0065] Another object of the present invention is to provide a HVAC equipment, which includes the aforementioned control cabinet 100 for the HVAC equipment.

[0066] According to the HVAC equipment in the embodiment of the utility model, including any of the above-mentioned control cabinets 100 and compressors for HVAC equipment, the compressor is electrically connected to the power supply module 120 and the control module 130. Specifically, the power supply module 120 can provide a stable power supply to meet the working requirements of the compressor, ensure that the compressor can operate normally and provide the required heat or cold power. The control module 130 can send control signals to the compressor, including starting and stopping, adjusting the operating speed, adjusting the pressure, etc., to achieve control and adjustment of the compressor to meet different working conditions. In addition, the control module 130 can also detect the working state and operating parameters of the compressor, and perform fault diagnosis. When a fault or abnormal situation occurs, the control module 130 can take corresponding protection measures, such as shutdown protection, alarm, etc., to protect the safe operation of the compressor.

[0067] According to the HVAC equipment in the embodiment of the utility model, by applying the aforementioned control cabinet 100, the compressor of the HVAC equipment is electrically connected to the power supply module 120 and the control module 130 of the control cabinet 100 respectively, which can ensure that the compressor obtains the required power supply and realizes the transmission of control signals at the same time.

[0068] In some embodiments, the electrical connection path between the components in the control cabinet 100 and the compressor is as follows: the power input end is connected to the molded case circuit breaker 121 in the first cavity 111 through the input terminal 115 of the first cavity 111, the molded case circuit breaker is respectively connected to the input inductor 122 and the miniature circuit breaker, the input inductor 122 is connected to the inverter of the compressor through the output terminal 116 of the first cavity 111, the inverter is connected to the motor of the compressor, the miniature circuit breaker is connected to the switch assembly 132 in the second cavity 112 through the first wire hole 123 on the partition 118 between the first cavity 111 and the second cavity 112, the switching power supply of the switch assembly 132 converts the power supply into a DC voltage of 24V, and then connects to the control circuit, and the control circuit is respectively connected to the actuator, sensor and other components through the second wire hole 125 on the bottom wall of the cabinet 110.

[0069] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0070] The above is only a specific implementation method of the present application. It is understandable that the above embodiments are exemplary and cannot be understood as limiting the present utility model. The protection scope of the present application is not limited thereto. All equivalent structural changes or replacements made by using the contents of the present application specification and drawings under the application concept of the present application, or direct / indirect application in other related technical fields are included in the patent protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A control cabinet for HVAC equipment, characterized in that: It includes a cabinet, a power supply module and a control module. The power supply module is used to supply power to the HVAC equipment, and the control module is used to control or display the operating status of the HVAC equipment. The power supply module and the control module are electrically connected and integrated into the cabinet.

2. The control cabinet according to claim 1, characterized in that: The power supply module includes a high-voltage device and / or a first low-voltage device; the control module includes a second low-voltage device, the operating voltage of the high-voltage device is higher than a predetermined value, and the operating voltages of the first low-voltage device and the second low-voltage device are lower than a predetermined value; The cabinet includes a first cavity and a second cavity. The high-voltage device is arranged in the first cavity, and the first low-voltage device and the second low-voltage device are arranged in the second cavity.

3. The control cabinet according to claim 2, characterized in that: The first cavity and the second cavity are electromagnetically isolated.

4. The control cabinet according to claim 2, characterized in that: The control cabinet further comprises a shielding cover, which is connected to the cabinet body and covers the electronic components in the first cavity; And / or, the control cabinet further comprises a door body, the door body is connected to the cabinet body and is used to open and close the second cavity, and the door body is relatively independent of the first cavity; And / or, the first cavity and the second cavity are arranged in an up-down direction.

5. The control cabinet according to claim 2, characterized in that: The power supply module includes a plurality of high-voltage components, the plurality of high-voltage components include a circuit breaker and a reactor, and the circuit breaker and the reactor are electrically connected; And / or, the control module includes a plurality of second low-voltage devices, the plurality of second low-voltage devices include a first control board and a switch assembly, and the first control board and the switch assembly are electrically connected.

6. The control cabinet of HVAC equipment according to claim 2, characterized in that: The control cabinet also includes an inlet terminal for connecting to a power source and an outlet terminal for connecting to a compressor, and the inlet terminal and the outlet terminal are respectively arranged on the side walls of the first cavity.

7. The control cabinet according to claim 1, characterized in that: The control cabinet further comprises a heat dissipation module, which is connected to the cabinet and configured to drive airflow through the inner space of the cabinet to dissipate heat from the inner space of the cabinet.

8. The control cabinet according to claim 7, characterized in that: The cabinet has a first cavity and a second cavity arranged and connected along a first direction, the first cavity has a first vent, and the second cavity has a second vent. In the projection of the first direction, the first vent and the second vent are arranged on opposite sides of the cabinet along a second direction, and the second direction is perpendicular to the first direction.

9. The control cabinet according to claim 8, characterized in that: The power supply module is disposed in the first cavity, the control module is disposed in the second cavity, and the heat dissipation module is configured to drive airflow from the second vent to the first vent.

10. The control cabinet of the HVAC equipment according to claim 8, characterized in that: At least one of the first vent and the second vent is provided with a shutter structure, and the shutter structure is configured to form an air duct that is inclined downward in a direction from inside the cabinet to outside the cabinet.

11. The control cabinet according to claim 1, characterized in that: The cabinet body comprises a cabinet body and a partition, wherein the partition is arranged in the cabinet body and separates a first cavity and a second cavity in the cabinet body; The partition plate is provided with a through hole to connect the first cavity and the second cavity, and the through hole includes at least one of a first wire hole and a ventilation hole.

12. The control cabinet according to claim 1, characterized in that: The cabinet has a first cavity and a second cavity, the power supply module is arranged in the first cavity, and at least a part of the control module is arranged in the second cavity.

13. The control cabinet of HVAC equipment according to claim 1, characterized in that: A second control panel is provided on the side wall of the cabinet, and the second control panel is stacked on the outer wall surface or the inner wall surface of the cabinet; And / or, a second wire passing hole is provided on the bottom wall of the cabinet.

14. A HVAC equipment, characterized in that: include: A control cabinet for HVAC equipment according to any one of claims 1 to 13; A compressor is electrically connected to the power supply module and the control module.

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