Low-voltage power distribution cabinet of box-type substation

Abstract

The invention relates to the technical field of power distribution cabinets, and particularly discloses a low-voltage power distribution cabinet of a box-type transformer substation, which comprises a cabinet body, electrical components are arranged in the cabinet body, the electrical components are used for power distribution and circuit control, a cooling assembly is further arranged in the cabinet body, and the cooling assembly comprises a cooling shell and a refrigeration plate. A partition plate is arranged in the cooling shell and divides the cooling shell into an upper cavity and a lower cavity, the refrigeration plate is arranged in the upper cavity, an air inlet is formed in the side wall of the lower cavity, an air outlet is formed in the top end of the upper cavity, a ventilation opening is formed in the partition plate, and the air inlet is communicated with the ventilation opening. A ventilation opening is formed in the upper cavity and communicates with the upper cavity and the lower cavity, a water collecting groove is formed in the peripheral side of the refrigeration plate, a water collecting pipe is arranged in the lower cavity, and the water collecting pipe communicates with the water collecting groove; according to the low-voltage power distribution cabinet of the box-type transformer substation, air is pre-cooled through condensate water, energy consumption of the refrigeration plate is reduced, and energy is saved.

Description

Technical Field

[0001] The invention relates to the technical field of power distribution cabinets, and in particular to a box-type substation low-voltage power distribution cabinet. Background Art

[0002] A switchboard is a device used for power distribution and control, usually placed in a power room within a building or industrial facility. It is an enclosed, metal-made device that contains various electrical components such as circuit breakers, switches, contactors, fuses, transformers, etc.

[0003] A Chinese patent with authorization announcement number CN113314964B discloses a distribution cabinet with moisture-proof function, which includes a distribution cabinet body, a rear wall of the distribution cabinet body is provided with an installation cavity, an air cooling and dehumidifying device is installed inside the installation cavity, an air inlet of the air cooling and dehumidifying device is connected to the outside of the installation cavity, and an air outlet is connected to the inside of the distribution cabinet body, the air cooling and dehumidifying device includes an air pump, a condensation structure, and a refrigeration structure, the air pump and the condensation structure are connected in sequence along the gas transmission direction, the air outlet of the condensation structure is connected to the inside of the distribution cabinet body, the condensation structure passes through the inside of the refrigeration structure, and the condensation structure cools the passing airflow, condenses the moisture into water, and collects and discharges it.

[0004] The above patent utilizes an air pump to actively pump external gas and supply it into the interior of the distribution cabinet body. The refrigeration structure cools the condensation structure, and the gas passing through the condensation structure is cooled. In particular, the moisture mixed in the external airflow condenses into water droplets and is collected and discharged externally, thereby achieving cooling and dehumidification of the airflow, reducing the amount of moisture entering the interior of the distribution cabinet body, and achieving cooling, heat dissipation and moisture-proof effects inside the distribution cabinet.

[0005] However, the condensed water in the above patent is directly discharged to the outside, which is quite wasteful. Summary of the invention

[0006] The present invention provides a box-type transformer substation low-voltage distribution cabinet, aiming to solve the problem of direct discharge of condensed water in related technologies, which is relatively wasteful.

[0007] The box-type substation low-voltage power distribution cabinet of the present invention comprises: a cabinet body; The cabinet contains electrical components, which are used for power distribution and circuit control; A cooling component is also provided in the cabinet, and the cooling component includes a cooling shell and a refrigeration plate. A partition plate is provided in the cooling shell, and the partition plate divides the cooling shell into an upper chamber and a lower chamber. The refrigeration plate is arranged in the upper chamber, and an air inlet is provided on the side wall of the lower chamber, and an air outlet is provided at the top of the upper chamber. A vent is provided on the partition plate, and the vent connects the upper chamber and the lower chamber. A water collecting trough is provided on the surrounding side of the refrigeration plate, and a water collecting pipe is provided in the lower chamber, and the water collecting pipe is connected to the water collecting trough.

[0008] Beneficial effect: The refrigeration plate cools the air in the upper chamber, the moisture in the air condenses into condensed water and adheres to the refrigeration plate, the cold air is discharged from the air outlet, the condensed water attached to the refrigeration plate will slide into the water collecting tank, and finally enter the water collecting pipe, the outside air enters the lower chamber from the air inlet, at this time the condensed water in the water collecting pipe can pre-cool the air in the lower chamber, the pre-cooled air enters the upper chamber through the vent, because the air has been pre-cooled in the lower chamber, the refrigeration plate can reduce energy consumption when cooling the air in the upper chamber.

[0009] Preferably, a filter plate is provided at the air inlet.

[0010] The effect is that the filter plate can filter impurities such as dust attached to the air, preventing the impurities from entering the distribution cabinet and attaching to the electrical components, causing dust accumulation on the electrical components.

[0011] Preferably, a scraper is further provided in the upper chamber, and the scraper is abutted and slidably matched with the refrigeration plate. A first driving member is provided on the cooling shell, and the first driving member is used to drive the scraper to move up and down.

[0012] The effect is that the scraper can actively scrape off the condensed water attached to the refrigeration plate to prevent the condensed water from affecting the cooling effect of the refrigeration plate, thereby reducing the cooling efficiency.

[0013] Preferably, a nozzle is provided on the water collecting pipe, the nozzle is facing the filter plate, and a rubber pad is provided on the scraper, the rubber pad can extend into the water collecting tank and squeeze the water in the water collecting pipe so that the water in the water collecting pipe can be sprayed out from the nozzle.

[0014] The effect is that the condensed water in the water collecting pipe can be sprayed out from the nozzle under the squeeze of the rubber pad, and the filter plate is washed to keep the filter plate clean and prevent the filter plate from being blocked.

[0015] Preferably, the filter plate is rotatably matched with the cooling shell, a rotating shaft is provided on the filter plate, a one-way gear is provided on the rotating shaft, a driving rod is provided on the scraper plate, the driving rod extends downward, a matching hole is provided on the partition plate, the driving rod can pass through the matching hole and enter the lower chamber, a one-way rack is provided on the driving rod, and the one-way rack can unidirectionally mesh with the one-way gear.

[0016] The effect is that when the scraper moves downward, the one-way rack gradually approaches the one-way gear and meshes with it, so that the downward movement of the scraper drives the rotating shaft to rotate, and the filter plate rotates synchronously with the rotating shaft, so that the nozzle can flush different positions of the filter plate.

[0017] Preferably, a water baffle is provided on the cooling shell, and the water baffle is located on the outside of the filter plate, and is used to block the water sprayed from the nozzle. A connecting plate is provided on the surrounding side of the water baffle, and the connecting plate is fixedly connected to the cooling shell, and the connecting plate is abutted and slidably matched with the filter plate, and the connecting plate is provided with a water outlet at the bottom end of the water baffle.

[0018] Preferably, a moisture absorbing plate is provided at the air outlet, and the moisture absorbing plate can absorb moisture in the air passing through the air outlet.

[0019] Preferably, a hair dryer is also provided at the air outlet, and the hair dryer is used to blow dry and cold air toward the electrical components.

[0020] By adopting the above technical solution, the beneficial effects of the present invention are: According to the box-type substation low-voltage distribution cabinet of the present invention, the refrigeration plate cools the air in the upper chamber, the moisture in the air condenses into condensed water and adheres to the refrigeration plate, the cold air is discharged from the air outlet, the condensed water attached to the refrigeration plate will slide into the water collecting tank, and finally enter the water collecting pipe, the outside air enters the lower chamber from the air inlet, at this time the condensed water in the water collecting pipe can pre-cool the air in the lower chamber, the pre-cooled air enters the upper chamber through the vent, because the air has been pre-cooled in the lower chamber, the refrigeration plate can reduce energy consumption when cooling the air in the upper chamber, saving energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a cross-sectional view of a low-voltage distribution cabinet for a box-type substation according to an embodiment of the present invention.

[0022] Figure 2 It is a schematic diagram of the structure of a cooling component according to an embodiment of the present invention.

[0023] Figure 3 It is a schematic diagram of the internal structure of a cooling component according to an embodiment of the present invention.

[0024] Figure 4Schematic diagram of the scraper driving according to an embodiment of the present invention.

[0025] Figure 5 Schematic diagram of the filter plate structure of an embodiment of the present invention.

[0026] Figure 6 Schematic diagram of the water retaining plate structure according to an embodiment of the present invention.

[0027] Reference numerals: 1000, cabinet; 1001, cooling component; 1. Cooling shell; 2. Partition plate; 3. Refrigeration plate; 4. Water collecting tank; 5. Water collecting pipe; 6. Scraper; 61. Rubber pad; 7. First driving member; 8. Screw; 9. Filter plate; 10. Rotating shaft; 11. One-way gear; 12. Driving rod; 13. One-way rack; 14. Nozzle; 15. Limiting protrusion; 16. Water baffle; 17. Connecting plate; 18. Water outlet; 19. Drainage outlet; 20. Desiccant plate; 21. Hair dryer. DETAILED DESCRIPTION Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0028] like Figures 1 to 6 As shown, the box-type substation low-voltage distribution cabinet of the present invention includes: a cabinet body 1000.

[0029] Specifically, Figure 1 As shown, the cabinet 1000 contains electrical components, which distribute power and control circuits.

[0030] like Figures 1 to 3 As shown, a cooling component 1001 is also provided in the cabinet 1000, and the cooling component 1001 includes a cooling shell 1 and a refrigeration plate 3. A partition plate 2 is provided in the cooling shell 1, and the partition plate 2 is horizontally distributed and divides the interior of the cooling shell 1 into an upper chamber and a lower chamber. The cooling shell 1 is provided with an air inlet on the side wall of the lower chamber, and the air inlet passes through the cabinet 1000 and is connected to the outside. An air outlet is provided at the top of the upper chamber of the cooling shell 1, and the air outlet is connected to the interior of the cabinet 1000. A vent is provided on the partition plate 2, and the vent is connected to the upper chamber and the lower chamber. There are multiple refrigeration plates 3, and multiple refrigeration plates 3 are distributed in parallel and spaced in the upper chamber. A water collecting tank 4 is provided on the peripheral side of the bottom of the refrigeration plate 3, and a water collecting pipe 5 is provided in the lower chamber, and the water collecting pipe 5 is connected to the water collecting tank 4. A drain port 19 is also provided at the bottom of the lower chamber, and the drain port 19 is used to discharge condensed water.

[0031] like Figure 3 and Figure 4As shown, a scraper 6 is slidably fitted in the upper chamber, and the scraper 6 is abutted and slidably fitted against the refrigeration plate 3. A first driving member 7 is provided on the top of the cooling shell 1. The first driving member 7 is a motor, and its output end passes through the cooling shell 1 and extends into the upper chamber. A lead screw 8 is fixedly connected to the output end of the first driving member 7. The scraper 6 is threadedly fitted with the lead screw 8. The first driving member 7 can control the scraper 6 to move up and down by driving the lead screw 8 to rotate.

[0032] like Figures 2 to 5 As shown, the cooling housing 1 is provided with a filter plate 9 at the air inlet, which is used to filter impurities in the air entering the cooling component 1001. The filter plate 9 is a circular plate and is rotatably matched with the cooling housing 1. The axis of the filter plate 9 is also fixedly connected with a rotating shaft 10, which extends to the other side of the cooling housing 1 and is rotatably matched with the cooling housing 1. A nozzle 14 is provided on the water collecting pipe 5, and the nozzle 14 faces the filter plate 9. The nozzle 14 is a pressure valve. When the water pressure in the water collecting pipe 5 exceeds the set value, the water in the water collecting pipe 5 can be sprayed out from the nozzle 14. A rubber pad 61 is provided on the scraper 6. When the scraper 6 is in contact with the water collecting tank 4, the rubber pad 61 extends into the water collecting tank 4, thereby squeezing the condensed water in the water collecting pipe 5, so that the condensed water can be sprayed out from the nozzle 14, and the fan-shaped area on the filter plate 9 is rinsed to ensure the cleanliness of the filter plate 9 and prevent the filter plate 9 from being blocked. A one-way gear 11 is also fixedly connected to the rotating shaft 10. A driving rod 12 is provided at the bottom end of the scraper 6. The driving rod 12 extends downward. A matching hole is provided on the partition plate 2. The driving rod 12 can pass through the partition plate 2 through the matching hole and extend into the lower chamber. A one-way rack 13 is provided on the side wall of the driving rod 12. The one-way rack 13 can engage with the one-way gear 11. When the scraper 6 moves downward, the one-way rack 13 gradually approaches the one-way gear 11 until it engages with the one-way gear 11, thereby driving the rotating shaft 10 to rotate. The filter plate 9 rotates synchronously with the rotating shaft 10, so that the nozzle 14 can flush different areas of the filter plate 9 to ensure the cleanliness of the filter plate 9 and prevent the filter plate 9 from being blocked.

[0033] like Figure 1 , Figure 2 and Figure 5As shown, the rotating shaft 10 is also provided with a limiting protrusion 15, which is elastically connected to the rotating shaft 10 through a spring, and the limiting protrusion 15 can be received in the rotating shaft 10. The cooling housing 1 is provided with a plurality of limiting grooves evenly spaced along the circumference of the rotating shaft 10, and the limiting protrusion 15 can be engaged with any limiting groove, thereby preventing the filter plate 9 from rotating. When the driving rod 12 is meshed with the one-way gear 11 through the one-way rack 13, the driving rod 12 moves downward, so that the limiting protrusion 15 is received in the rotating shaft 10, and the rotating shaft 10 can rotate around its axis. At this time, the limiting protrusion 15 rotates synchronously with the rotating shaft 10, and moves to the next limiting groove and is engaged with it. When the scraper 6 moves upward, the one-way rack 13 and the one-way gear 11 are slidably matched, and the rotating shaft 10 remains stationary under the action of the limiting protrusion 15, thereby preventing the filter plate 9 from rotating by itself, resulting in that some areas on the filter plate 9 cannot be washed.

[0034] like Figure 2 and Figure 6 As shown, a water baffle 16 is also provided on the cooling shell 1. The shape of the water baffle 16 is the same as the fan-shaped area flushed by the nozzle 14. A connecting plate 17 is provided on the side wall of the water baffle 16. The connecting plates 17 are distributed on the surrounding side of the water baffle 16. The connecting plate 17 is fixedly connected to the cooling shell 1 and slidably cooperates with the filter plate 9. A water outlet 18 is provided on the connecting plate 17 at the bottom of the water baffle 16. The water sprayed from the inside of the cooling shell 1 flushes the filter plate 9. This part of the water will be blocked by the water baffle 16 after passing through the filter plate 9 and flow out from the water outlet 18 along the water baffle 16.

[0035] like Figure 2 and Figure 3 As shown, the cooling shell 1 is further provided with a desiccant plate 20 at the air outlet, and the desiccant plate 20 is fixedly connected to the cooling shell 1. The desiccant plate 20 is a sponge plate. The cold air in the upper chamber can pass through the desiccant plate 20 and be discharged from the cooling shell 1 from the air outlet. During this process, the desiccant plate 20 can absorb moisture in the cold air, thereby ensuring that the cooling component 1001 discharges dry cold air. A hair dryer 21 is also provided at the air outlet, and the cold air discharged from the air outlet enters the hair dryer 21. The hair dryer 21 blows the cold air toward the electrical components, thereby cooling the electrical components.

[0036] According to the box-type substation low-voltage distribution cabinet of the embodiment of the present invention, the external air enters the cooling housing 1 from the air inlet, and the filter plate 9 first filters the air, thereby filtering out dust and other impurities attached to the air to prevent the impurities from adhering to the electrical components and affecting the operation of the electrical components. The air enters the lower chamber, and the condensed water in the water collecting pipe 5 in the lower chamber can pre-cool the air in the lower chamber to reduce the temperature of the air. The small amount of condensed water generated on the water collecting pipe 5 can be discharged through the drain pipe. The pre-cooled air enters the upper chamber from the vent, and is then cooled by the refrigeration plate 3 to become cold air. During the cooling process, the moisture in the air forms condensed water and adheres to the refrigeration plate 3. The scraper 6 is driven downward by the first driving member 7. The scraper 6 can scrape off the condensed water attached to the refrigeration plate 3, and the scraped condensed water enters the water collecting tank 4. When the scraper 6 moves to the lowermost end, the rubber pad 61 extends into the water collecting tank 4 and squeezes the water in the water collecting tank 4. Since the water collecting tank 4 is connected to the water collecting pipe 5, the water pressure in the water collecting pipe 5 and the water collecting tank 4 increases, and the water in the water collecting pipe 5 can be sprayed out from the nozzle 14 to rinse the fan-shaped area of ​​the filter plate 9.

[0037] When the scraper 6 moves downward, the one-way rack 13 gradually approaches the one-way gear 11 and meshes with the one-way gear 11. When the one-way rack 13 meshes with the one-way gear 11, the downward movement of the scraper 6 will push the rotating shaft 10 to rotate, thereby rotating the filter plate 9, so that the water sprayed by the nozzle 14 can rinse different positions of the filter plate 9. When the scraper 6 moves upward, the one-way rack 13 slides with the one-way gear 11, and the filter plate 9 remains stationary.

[0038] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. 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 invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0040] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A box-type substation low-voltage distribution cabinet, comprising: A cabinet (1000), wherein the cabinet (1000) contains electrical components, and the electrical components are used for power distribution and circuit control; The cabinet (1000) is characterized in that a cooling component (1001) is further provided in the cabinet body (1000), the cooling component (1001) comprising a cooling shell (1) and a refrigeration plate (3), a partition plate (2) is provided in the cooling shell (1), the partition plate (2) divides the cooling shell (1) into an upper chamber and a lower chamber, the refrigeration plate (3) is arranged in the upper chamber, an air inlet is provided on the side wall of the lower chamber, an air outlet is provided at the top of the upper chamber, a vent is provided on the partition plate (2), the vent communicates with the upper chamber and the lower chamber, a water collecting trough (4) is provided on the peripheral side of the refrigeration plate (3), a water collecting pipe (5) is provided in the lower chamber, and the water collecting pipe (5) is communicated with the water collecting trough (4).

2. The low-voltage distribution cabinet for a box-type substation according to claim 1 is characterized in that: A filter plate (9) is provided at the air inlet.

3. The box-type substation low-voltage distribution cabinet according to claim 2 is characterized in that: A scraper (6) is also provided in the upper chamber, and the scraper (6) is in abutment with and slidingly engaged with the refrigeration plate (3). A first driving member (7) is provided on the cooling shell (1), and the first driving member (7) is used to drive the scraper (6) to move up and down.

4. The box-type substation low-voltage distribution cabinet according to claim 3 is characterized in that: The water collecting pipe (5) is provided with a nozzle (14), the nozzle (14) is directed toward the filter plate (9), the scraper (6) is provided with a rubber pad (61), the rubber pad (61) is capable of extending into the water collecting tank (4) and squeezing the water in the water collecting pipe (5), so that the water in the water collecting pipe (5) can be sprayed out from the nozzle (14).

5. The box-type substation low-voltage distribution cabinet according to claim 4 is characterized in that: The filter plate (9) is rotatably matched with the cooling shell (1); a rotating shaft (10) is provided on the filter plate (9); a one-way gear (11) is provided on the rotating shaft (10); a driving rod (12) is provided on the scraper (6); the driving rod (12) extends downward; a matching hole is provided on the partition plate (2); the driving rod (12) can pass through the matching hole and enter the lower chamber; a one-way rack (13) is provided on the driving rod (12); the one-way rack (13) can unidirectionally mesh with the one-way gear (11).

6. The low-voltage distribution cabinet for a box-type substation according to claim 5 is characterized in that: The cooling housing (1) is provided with a water baffle (16), the water baffle (16) being located outside the filter plate (9) and used to block water sprayed from the nozzle (14), a connecting plate (17) being provided around the water baffle (16), the connecting plate (17) being fixedly connected to the cooling housing (1), the connecting plate (17) being abutted against and slidably matched with the filter plate (9), and the connecting plate (17) being provided with a water outlet (18) at the bottom end of the water baffle (16).

7. The box-type substation low-voltage distribution cabinet according to claim 1 is characterized in that: A moisture absorbing plate (20) is provided at the air outlet, and the moisture absorbing plate (20) is capable of absorbing moisture in the air passing through the air outlet.

8. The box-type substation low-voltage distribution cabinet according to claim 1 is characterized in that: A blower (21) is also provided at the air outlet, and the blower (21) is used to blow dry cold air toward the electrical component.

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