Power distribution cabinet with temperature regulation function
By combining the temperature sensor box and the shielding components, precise temperature regulation and optimized heat dissipation are achieved in the power distribution cabinet, solving the problems of high-temperature heat dissipation and low-temperature heating, ensuring stable equipment operation and extending its lifespan.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUXI NILVIS ELECTRIC SYST CO LTD
- Filing Date
- 2025-07-31
- Publication Date
- 2026-06-23
Smart Images

Figure CN224400952U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of temperature control technology, and in particular to a power distribution cabinet with temperature regulation function. Background Technology
[0002] Distribution cabinets are divided into power distribution cabinets, lighting distribution cabinets, and metering cabinets, and are the final-level equipment in a power distribution system. Distribution cabinets are a general term for motor control centers. Distribution cabinets are used in situations where the load is relatively dispersed and there are fewer circuits; motor control centers are used in situations where the load is concentrated and there are more circuits. They distribute the electrical energy from a circuit of the upstream power distribution equipment to the nearest load. This level of equipment should provide protection, monitoring, and control for the load.
[0003] A search revealed that Chinese patent CN222637992U discloses a power distribution cabinet with temperature regulation function. The technical solution is as follows: a protective box is fixedly connected to the top of the power distribution cabinet, a motor is installed inside the protective box, the output shaft of the motor passes through the inside of the power distribution cabinet and is fixedly connected to a lead screw through a coupling, a slider slides on the threaded lead screw, a fan is installed on the outer wall of the slider, a cooling fan is installed inside the fan, a partition is installed inside the power distribution cabinet, the partition is located on one side of the fan, an air inlet is opened on one side of the outer wall of the power distribution cabinet, and an air outlet is opened on the outer wall of the power distribution cabinet away from the air inlet.
[0004] The existing technical solution uses the output shaft of the motor to drive the lead screw to rotate. When the lead screw rotates, it can convert the rotational motion of the slider into linear motion, thereby driving the cooling fan to reciprocate up and down. This can improve the heat dissipation range and effect of the electronic components inside the distribution cabinet. However, the heat dissipation has limitations. The heat cannot be effectively dissipated from the cabinet. Furthermore, it only solves the problem of heat dissipation when the temperature is high, but does not provide a way to raise the temperature inside the cabinet when the temperature is low. Utility Model Content
[0005] In order to solve the above-mentioned technical problems, the purpose of this utility model is to provide a power distribution cabinet with temperature regulation function, so as to further improve the heat dissipation effect of the power distribution cabinet.
[0006] To achieve the above objectives, the present invention provides the following technical solution:
[0007] A power distribution cabinet with temperature regulation function includes a cabinet body. Two cabinet doors are hinged to one side of the cabinet body. Two first dustproof nets are fixedly installed on the top surface of the cabinet body. Each of the two first dustproof nets has a first rain cover on one side, which is fixedly connected to the cabinet body. The surface of the first rain cover has multiple first ventilation holes. Two heat dissipation components are provided on the other side of the first dustproof nets. The two heat dissipation components are symmetrically placed about the center of the cabinet body. A temperature sensor box is fixedly installed on the inner wall of the top of the cabinet body. The temperature sensor box is disposed between the two heat dissipation components and is electrically connected to the heat dissipation components. An installation plate is fixedly installed inside the cabinet body. A heating film is fixedly installed on the top of the installation plate and is electrically connected to the temperature sensor box. A horizontal plate is fixedly installed inside the cabinet body. A baffle is fixedly installed on the bottom side of the horizontal plate near the cabinet door. The baffle is fixedly connected to the cabinet body. A heat dissipation space is formed between the horizontal plate, the baffle, and the cabinet body.
[0008] Preferably, a second dustproof net is fixedly provided on both sides of the cabinet, and the two second dustproof nets are set on the top of the horizontal plate. A second rain cover is provided on the outer side of the second dustproof net. The second rain cover is fixedly connected to the cabinet. A plurality of second ventilation holes are opened on the surface of the second rain cover. A first shielding member is provided on the other side of the second dustproof net. The first shielding member is electrically connected to the temperature sensor box. A second shielding member is provided on the inner side of the horizontal plate. The second shielding member is electrically connected to the temperature sensor box.
[0009] Preferably, the heat dissipation component includes two fixing plates, both of which are fixedly connected to the cabinet. A mounting shell is fixedly provided on the inner side of each fixing plate, and a heat dissipation fan is fixedly provided on the inner side of each mounting shell.
[0010] Preferably, the heat dissipation space includes a heat dissipation channel, the top of which is provided with multiple small air inlets, all of which are opened on the surface of the horizontal plate, an arc-shaped block is fixedly provided on the inner side of the heat dissipation channel, and two large heat dissipation openings are opened at both ends of the heat dissipation channel.
[0011] Preferably, the first concealing component includes two limiting rods, both of which are fixedly connected to the cabinet body. The inner side of each limiting rod is provided with a first electric slide rail, which is fixedly connected to the cabinet body.
[0012] Preferably, a first slide rod is slidably provided on the outer side of the first electric slide rail, and a first shielding plate is fixedly provided on the outer side of the first slide rod. The first shielding plate is disposed inside the limiting rod.
[0013] Preferably, the second shielding member includes two second electric slide rails, both of which are fixedly connected to the horizontal plate, and a second slide rod is slidably provided on the outer side of the second electric slide rails.
[0014] Preferably, a second shielding plate is fixedly provided at the bottom of the second slide bar, and the second shielding plate is disposed on the inner side of the horizontal plate and slidably connected to the horizontal plate.
[0015] This utility model has the following beneficial effects:
[0016] I. Precise Temperature Regulation and Shielding Function: By installing a temperature sensor box on the inner wall of the bottom of the cabinet, and electrically connecting the temperature sensor box to the heat dissipation component, the first shielding component, the second shielding component, and the heating film, the temperature sensor box can sense the temperature inside the cabinet in real time. When the temperature is too high, it controls the heat dissipation component to work and dissipate heat from the electronic components inside the cabinet, while simultaneously controlling the first and second shielding components to unshield. When the temperature is too low, it controls the heat dissipation component to stop working, while simultaneously controlling the first and second shielding components to shield the second dustproof mesh and the small air inlet to reduce heat loss, and controlling the heating film to heat the inside of the cabinet. To maintain the temperature inside the cabinet, the degree of shielding of the second dustproof mesh and the small air inlet by the first and second shielding components is adjusted to achieve appropriate heat dissipation, keeping the temperature inside the cabinet constant at all times. This achieves precise temperature regulation inside the distribution cabinet, ensuring that the equipment inside the cabinet is always in a suitable operating temperature environment, extending the service life of the equipment, reducing the entry of cold air or dust from the outside, and providing better protection when heat dissipation is not required.
[0017] II. Optimized Heat Dissipation Structure: The heat dissipation components are symmetrically placed around the cabinet's axis, facilitating the even dissipation of heat within the cabinet. Simultaneously, a heat dissipation space is formed between the horizontal panels, baffles, and the cabinet body. This space includes a heat dissipation channel with multiple small air inlets running through its top, an arc-shaped block fixed to the inner side, and two large vents at each end. This structure allows air to enter through the small air inlets at the top of the heat dissipation channel, be guided by the arc-shaped block, and then flow out through the large vents, creating a good airflow path and further improving heat dissipation efficiency, ensuring timely heat removal from the cabinet. Attached Figure Description
[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is a schematic diagram of the overall structure of the first embodiment of the present utility model.
[0020] Figure 2 This is a schematic diagram of the internal structure of the first embodiment of the present invention.
[0021] Figure 3This is a schematic diagram of the heat dissipation component structure according to the first embodiment of this utility model.
[0022] Figure 4 This is a schematic diagram of the heat dissipation space structure of the first embodiment of the present invention.
[0023] Figure 5 This is a schematic diagram of the first shielding component structure in the second embodiment of this utility model.
[0024] Figure 6 This is a schematic diagram of the second shielding component structure according to the second embodiment of the present utility model.
[0025] Figure 7 This is a schematic diagram of the second shielding component B in the second embodiment of the present invention.
[0026] In the diagram: 1. Cabinet body; 2. Cabinet door; 3. First dustproof net; 4. First rain cover; 5. First vent; 6. Heat dissipation component; 61. Fixing plate; 62. Mounting shell; 63. Cooling fan; 7. Temperature sensor box; 8. Mounting plate; 9. Heating film; 10. Horizontal plate; 11. Baffle; 12. Heat dissipation space; 121. Heat dissipation channel; 122. Small air inlet; 123. Arc-shaped block; 124. Large heat dissipation vent; 13. Second dustproof net; 14. Second rain cover; 15. Second vent; 16. First concealing component; 161. Limiting rod; 162. First electric slide rail; 163. First sliding rod; 164. First concealing plate; 17. Second concealing component; 171. Second electric slide rail; 172. Second sliding rod; 173. Second concealing plate. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0028] First embodiment
[0029] according to Figures 1 to 4As shown, a power distribution cabinet with temperature regulation function includes a cabinet body 1. Two cabinet doors 2 are hinged to one side of the cabinet body 1. Two first dustproof nets 3 are fixedly provided on the top surface of the cabinet body 1. Each of the two first dustproof nets 3 is provided with a first rain cover 4 on one side. The first rain cover 4 is fixedly connected to the cabinet body 1. Multiple first ventilation holes 5 are opened on the surface of the first rain cover 4. Two heat dissipation components 6 are provided on the other side of the first dustproof nets 3. The two heat dissipation components 6 are symmetrically placed with the axis of the cabinet body 1 as the center. A temperature sensor box 7 is fixedly provided on the inner wall of the top of the cabinet body 1. The temperature sensor box 7 is located between the two heat dissipation components 6 and is electrically connected to the heat dissipation components 6. An installation plate 8 is fixedly provided on the inner side of the cabinet body 1. A heating film 9 is fixedly provided on the top of the installation plate 8 and is electrically connected to the temperature sensor box 7. A horizontal plate 10 is fixedly provided on the inner side of the cabinet body 1. A baffle 11 is fixedly provided on the bottom side of the horizontal plate 10 near the cabinet door 2. The baffle 11 is fixedly connected to the cabinet body 1. A heat dissipation space 12 is formed between the horizontal plate 10, the baffle 11 and the cabinet body 1.
[0030] Cabinet 1 serves as the main structure of the entire distribution cabinet, providing a foundation for the installation and support of other parts. It carries internal electronic components and various functional parts, creating a closed or semi-closed space to protect the internal equipment from direct interference and damage from the external environment, such as collisions and compression. It is hinged to cabinet door 2, facilitating the opening and closing of cabinet door 2. Cabinet door 2, through its hinge to cabinet 1, enables the opening and closing of cabinet door 2, facilitating the installation, inspection, and maintenance of the equipment inside the cabinet. It also prevents external dust, rainwater, etc., from entering the cabinet, protecting the internal equipment. When open, it facilitates related operations for the operators.
[0031] The first rain cover 4 and the second rain cover 14, through their specific shapes and installation positions, block rainwater and prevent rainwater from directly entering the cabinet 1, thus avoiding damage to electronic components. At the same time, the first vent 5 and the second vent 15 opened on the surface allow air circulation, ensuring ventilation and heat dissipation of the cabinet 1.
[0032] The temperature sensor box 7, as the core control component, monitors temperature changes within the cabinet 1, converts temperature signals into electronic signals for analysis and processing. When the temperature sensor box 7 detects excessively high temperatures inside the cabinet, it sends a start signal to the heat dissipation component 6. The cooling fan 63 in the heat dissipation component 6 begins to rotate under the drive of the electrical signal, generating airflow. Since the two heat dissipation components 6 are symmetrically placed around the axis of the cabinet 1, they accelerate the exchange of hot air inside the cabinet with cold air outside, ensuring even heat dissipation and cooling of the electronic components inside the cabinet. Simultaneously, a heat dissipation space 12 is formed between the horizontal plate 10, the baffle 11, and the cabinet 1. This space includes a heat dissipation channel 121, with multiple small air inlets 122 extending through the top of the channel. An arc-shaped block 123 is fixed to the inner side, and two large heat dissipation vents 124 are opened at both ends. This structure allows air to enter through the small air inlets 122 at the top of the heat dissipation channel 121, be guided by the arc-shaped block 123, and exit through the large heat dissipation vents 124, forming a good airflow path and further improving heat dissipation efficiency, ensuring timely removal of heat from the cabinet.
[0033] Second embodiment
[0034] according to Figures 5 to 7 As shown, the first concealing component 16 includes two limiting rods 161, both of which are fixedly connected to the cabinet 1. A first electric slide rail 162 is provided on the inner side of the limiting rod 161, and the first electric slide rail 162 is fixedly connected to the cabinet 1. A first slide rod 163 is slidably provided on the outer side of the first electric slide rail 162, and a first concealing plate 164 is fixedly provided on the outer side of the first slide rod 163. The first concealing plate 164 is provided on the inner side of the limiting rod 161.
[0035] The second shielding component 17 includes two second electric slide rails 171, both of which are fixedly connected to the horizontal plate 10. A second slide rod 172 is slidably provided on the outer side of the second electric slide rail 171, and a second shielding plate 173 is fixedly provided at the bottom of the second slide rod 172. The second shielding plate 173 is provided on the inner side of the horizontal plate 10 and is slidably connected to the horizontal plate 10.
[0036] In the sophisticated and complex system of the power distribution cabinet, the temperature sensor box 7 plays a crucial role in monitoring the temperature inside the cabinet and precisely controlling the operation of related components. When the temperature sensor box 7 starts detecting the temperature inside the cabinet, it uses its internal high-precision temperature sensor to capture temperature changes at every point inside the cabinet with extremely high frequency and accuracy.
[0037] When an increase in temperature is detected inside the cabinet, the temperature sensor box 7 reacts quickly and immediately sends a start signal to the heat dissipation component 6. Upon receiving the signal, the heat dissipation component 6 activates its internal cooling fan 63, which, driven by the electrical signal, rapidly begins to rotate at high speed. A powerful airflow is generated inside the cabinet, accelerating the exchange between hot air and cool outside air, thereby removing heat from the cabinet and providing initial cooling.
[0038] Simultaneously, the temperature sensor box 7 sends a cancellation signal to the first shielding member 16 and the second shielding member 17. In the first shielding member 16, the first electric slide rail 162 is instantly energized upon receiving the signal, causing the connected first slide rod 163 to move smoothly and precisely. The movement of the first slide rod 163 then causes the first shielding plate 164 to slide along a preset trajectory inside the limiting rod 161, gradually revealing the second dustproof net 13, which was originally covered by the first shielding plate 164. The second dustproof net 13 has fine mesh, which effectively blocks external dust and debris from entering the cabinet while ensuring smooth airflow, preventing contamination and damage to electronic components. When the second dustproof net 13 is no longer covered, cold air from the outside can enter the cabinet more freely, providing ample air for heat dissipation. At the same time, the second electric slide rail 171 is energized, causing the second slide rod 172 to move. The movement of the second slide rod 172 causes the second shielding plate 173 to slide inside the horizontal plate 10. The small air inlets 122, which were originally covered by the second shielding plate 173, were opened one by one. The hot air inside the cabinet entered the heat dissipation space 12 in a dispersed manner to form a more efficient air convection, which greatly enhanced the heat dissipation effect and enabled the temperature inside the cabinet to drop rapidly.
[0039] Furthermore, when encountering extremely cold weather or when the equipment inside the cabinet operates at low load for an extended period, causing the cabinet temperature to drop too low, the temperature sensor box 7 will quickly detect this situation and send an activation signal to the heating film 9. The heating film 9 is a material with highly efficient heating properties; when energized, it can rapidly convert electrical energy into heat energy, generating a large amount of heat. This heat will be evenly distributed into the air inside the cabinet, heating the air and thus raising the cabinet temperature, ensuring that the electronic components operate in a suitable temperature environment.
[0040] Furthermore, the temperature sensor box 7 also possesses a precise adjustment function. Based on real-time changes in the cabinet temperature, it can precisely control the amount of outside air entering the cabinet by adjusting the degree of shading of the second dustproof mesh 13 and the small air inlet 122 by the first and second shading components 16 and 17. For example, when the cabinet temperature is only slightly low, the temperature sensor box 7 can control the first and second shading components 16 and 17 to only partially cover the second dustproof mesh 13 and the small air inlet 122, allowing a small amount of cold outside air to enter the cabinet for appropriate heat dissipation and temperature regulation. When the cabinet temperature approaches the ideal range, the degree of shading is further adjusted to achieve an optimal balance in the amount of air entering. Through this intelligent and precise adjustment method, the cabinet temperature is maintained constant at all times, providing a reliable guarantee for the stable operation of the electronic components within the distribution cabinet.
[0041] The above are merely specific embodiments of this utility model, but the technical features of this utility model are not limited thereto. Any simple changes, equivalent substitutions, or modifications made based on this utility model to solve essentially the same technical problems and achieve essentially the same technical effects are all covered within the protection scope of this utility model.
Claims
1. A power distribution cabinet with temperature regulation function, comprising a cabinet body (1), characterized in that: Two cabinet doors (2) are hinged to one side of the cabinet (1). Two first dustproof nets (3) are fixedly installed on the top surface of the cabinet (1). Each of the two first dustproof nets (3) is provided with a first rain cover (4) on one side. The first rain cover (4) is fixedly connected to the cabinet (1). Multiple first ventilation holes (5) are opened on the surface of the first rain cover (4). Two heat dissipation components (6) are provided on the other side of the first dustproof nets (3). The two heat dissipation components (6) are placed symmetrically with the center of the cabinet (1). A temperature sensing box (7) is fixedly installed on the inner wall of the top of the cabinet (1). The temperature sensing box (7) is provided with... The temperature sensing box (7) is electrically connected to the heat dissipation component (6) and placed between two heat dissipation components (6). An installation plate (8) is fixedly provided on the inner side of the cabinet (1). A heating film (9) is fixedly provided on the top of the installation plate (8). The heating film (9) is electrically connected to the temperature sensing box (7). A horizontal plate (10) is fixedly provided on the inner side of the cabinet (1). A baffle (11) is fixedly provided on the bottom side of the horizontal plate (10) near the cabinet door (2). The baffle (11) is fixedly connected to the cabinet (1). A heat dissipation space (12) is formed between the horizontal plate (10), the baffle (11) and the cabinet (1).
2. A power distribution cabinet with temperature regulation function according to claim 1, characterized in that: The cabinet (1) is fixedly provided with a second dustproof net (13) on both sides. The two second dustproof nets (13) are both set on the top of the horizontal plate (10). A second rain cover (14) is provided on the outer side of the second dustproof net (13). The second rain cover (14) is fixedly connected to the cabinet (1). A plurality of second ventilation holes (15) are opened on the surface of the second rain cover (14). A first shielding member (16) is provided on the other side of the second dustproof net (13). The first shielding member (16) is electrically connected to the temperature sensing box (7). A second shielding member (17) is provided on the inner side of the horizontal plate (10). The second shielding member (17) is electrically connected to the temperature sensing box (7).
3. A power distribution cabinet with temperature regulation function according to claim 1, characterized in that: The heat dissipation component (6) includes two fixing plates (61), both of which are fixedly connected to the cabinet (1). An installation shell (62) is fixedly provided on the inner side of the fixing plate (61), and a heat dissipation fan (63) is fixedly provided on the inner side of the installation shell (62).
4. A power distribution cabinet with temperature regulation function according to claim 1, characterized in that: The heat dissipation space (12) includes a heat dissipation channel (121), and a plurality of small air inlets (122) are provided through the top of the heat dissipation channel (121). The plurality of small air inlets (122) are all opened on the surface of the horizontal plate (10). An arc-shaped block (123) is fixedly provided on the inner side of the heat dissipation channel (121). Two large heat dissipation vents (124) are opened at both ends of the heat dissipation channel (121).
5. A power distribution cabinet with temperature regulation function according to claim 2, characterized in that: The first concealing component (16) includes two limiting rods (161), both of which are fixedly connected to the cabinet (1). The inner side of the limiting rod (161) is provided with a first electric slide rail (162), which is fixedly connected to the cabinet (1).
6. A power distribution cabinet with temperature regulation function according to claim 5, characterized in that: The first electric slide rail (162) is slidably provided with a first slide rod (163) on the outside, and a first shielding plate (164) is fixedly provided on the outside of the first slide rod (163). The first shielding plate (164) is located inside the limiting rod (161).
7. A power distribution cabinet with temperature regulation function according to claim 2, characterized in that: The second shielding member (17) includes two second electric slide rails (171), both of which are fixedly connected to the horizontal plate (10), and a second slide rod (172) is slidably provided on the outer side of the second electric slide rail (171).
8. A power distribution cabinet with temperature regulation function according to claim 7, characterized in that: The bottom of the second slide bar (172) is fixedly provided with a second shielding plate (173), which is located inside the horizontal plate (10) and is slidably connected to the horizontal plate (10).