Ring main unit for power system

Abstract

The utility model relates to the technical field of ring main units, and discloses a ring main unit for an electric power system, comprising a ring main unit, the top of the ring main unit is fixedly connected with an installation chamber, the interior of the installation chamber is provided with a diffusion fan, the left side of the ring main unit is provided with a dehumidification mechanism, and the right side of the ring main unit is provided with a heating mechanism. The dehumidification mechanism comprises a dehumidification assembly and an auxiliary drying assembly, the dehumidification assembly is arranged on the left side of the ring main unit, the auxiliary drying assembly is arranged on the back face of the dehumidification assembly, and after entering the dehumidification box through the dehumidification assembly, moisture is removed through three layers of cotton core filter screens in sequence; the dehumidification box is arranged in the ring main unit and is matched with the auxiliary drying assembly to efficiently remove moisture in the air, the moisture is discharged into the ring main unit again, so that a dry environment in the ring main unit is ensured, components in the ring main unit are prevented from being affected with damp and damaged, meanwhile, a cotton core filter screen in the dehumidification box can be taken out to be replaced, and the replacement cost is reduced. And the dehumidification efficiency of the dehumidification assembly is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ring network cabinets, in particular to a ring network cabinet used in an electric power system. Background Art

[0002] Ring main unit is a group of electrical equipment (high voltage switchgear) installed in a metal or non-metallic insulated cabinet or made into an assembled interval ring main unit. Its core part uses load switches and fuses, which have the advantages of simple structure, small size, low price, improved power supply parameters and performance, and power supply safety. It is widely used in distribution stations and box-type substations in urban residential areas, high-rise buildings, large public buildings, factories and enterprises and other load centers.

[0003] According to a ring network cabinet for power system disclosed on the patent website (authorization announcement number: CN214379407U), "The utility model relates to the field of power cabinets, specifically a ring network cabinet for power system, including a cabinet body, a cabinet top, a refrigeration device, a hair dryer, a dehumidification drying plate and a dehumidification device, the cabinet top is provided with a water leakage port, one end of the refrigeration device is connected to the cabinet top, the other end of the refrigeration device is arranged inside the cabinet, one end of the dehumidification device is connected to the inside of the cabinet, the other end of the dehumidification device is connected to the refrigeration device, the hair dryer, the refrigeration device and the dehumidification drying plate are arranged in sequence from bottom to top at the bottom of the cabinet cavity; the problem of dehumidification while cooling the ring network cabinet is solved."

[0004] Based on the above, the applicant believes that there are the following defects:

[0005] The ring main unit for the electric power system includes a cabinet body, a cabinet top, a refrigeration device, a hair dryer, a dehumidification drying plate and a dehumidification device. The device dehumidifies by introducing moisture into the dehumidification device through refrigeration. This dehumidification method cannot completely remove moisture from the air. Moisture discharged into the ring main unit will still remain, which will cause moisture damage to the internal components of the cabinet. Utility Model Content

[0006] The purpose of the utility model is to provide a ring main unit for an electric power system to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ring main unit for an electric power system, comprising a ring main unit, an installation room fixedly connected to the top of the ring main unit, a diffusion fan arranged inside the installation room, a dehumidification mechanism arranged on the left side of the ring main unit, a heating mechanism arranged on the right side of the ring main unit, the dehumidification mechanism comprising a dehumidification component and an auxiliary drying component, the dehumidification component being arranged on the left side of the ring main unit, and the auxiliary drying component being arranged on the back side of the dehumidification component.

[0008] Preferably, the dehumidification component includes an air chamber 1, which is fixedly connected to the bottom left side of the ring network cabinet, an exhaust fan 1 is arranged inside the air chamber 1, an air supply duct 1 is fixedly connected to the back side of the air chamber 1, a dehumidification box is fixedly connected to the middle section of the left side of the ring network cabinet, an end of the air supply duct 1 away from the air chamber 1 is fixedly connected to the bottom of the dehumidification box, an air pump 1 is arranged on the end of the surface of the air supply duct 1 close to the dehumidification box, a cotton core filter rack is fixedly connected to the inside of the dehumidification box, mounting blocks are fixedly connected to the left and right sides of the cotton core filter rack, a cotton core filter is slidably connected to the inside of the mounting block, an air supply duct 2 is fixedly connected to the top of the dehumidification box, an air chamber 2 is fixedly connected to the top left side of the ring network cabinet, and an end of the air supply duct 2 away from the dehumidification box is fixedly connected to the back side of the air chamber 2. An air supply fan is arranged inside the air chamber 2, an air pump is arranged at one end of the air supply duct 2 close to the air chamber 2, a dustproof net is arranged on one side of the exhaust fan 1 and the air supply fan 1 close to the inside of the ring network cabinet, a humidity sensor is fixedly connected to the left side of the bottom back of the ring network cabinet, and the model of the humidity sensor is HDC1080. After the moisture enters the dehumidification box through the dehumidification component, the moisture is removed through three layers of cotton core filters in turn. The use of auxiliary drying components can efficiently remove moisture from the air and discharge it into the ring network cabinet again, thereby ensuring a dry environment inside the ring network cabinet and ensuring that the components inside the ring network cabinet will not be damaged by moisture. At the same time, the cotton core filter inside the dehumidification box can be taken out and replaced, further improving the dehumidification efficiency of the dehumidification component.

[0009] Preferably, the mounting blocks and cotton core filters are provided in three groups, and the dustproof screen is provided at the top and bottom of the left end inside the ring network cabinet.

[0010] Preferably, the auxiliary drying component includes a heating box, and the dehumidification component includes a dehumidification box. The heating box is installed on the top of the back of the dehumidification box. A heating port is opened on the front of the heating box. Mounting seats are fixedly connected to the left and right sides of the inside of the heating box. An electric heating pipe is installed on the inside of the mounting seat. After the moisture passes through the cotton core filter to be dehumidified, the air is dried twice by generating heat through the electric heating pipe before being discharged, which further enhances the dehumidification effect of the device and ensures that the discharged air is dry.

[0011] Preferably, the mounting base and the electric heating tube are provided in three groups, and the heating port faces the interior of the dehumidification box.

[0012] Preferably, the heating mechanism comprises an air chamber three, the air chamber three is fixedly connected to the right bottom of the ring network cabinet, an air supply fan two is arranged inside the air chamber three, an air delivery duct three is fixedly connected to the back of the air chamber three, a drying box is fixedly connected to the middle section of the right side of the ring network cabinet, the end of the air delivery duct three away from the air chamber three is fixedly connected to the bottom of the drying box, an air pump three is arranged at the end of the air delivery duct three close to the drying box, a condenser is installed inside the drying box, a water tank is fixedly connected to the back of the drying box, a water inlet is provided on the top of the water tank, a water outlet is provided at the bottom of the water tank, an air delivery duct four is fixedly connected to the top of the drying box, an air chamber four is fixedly connected to the top of the right side of the ring network cabinet, an exhaust fan two is arranged inside the air chamber four, an air pump four is arranged at one end of the air delivery duct four close to the air chamber four, a dustproof net two is arranged at one end of the air supply fan two and the exhaust fan two close to the inner side of the ring network cabinet, and a temperature sensor is fixedly connected to the right side of the bottom back side of the ring network cabinet, and the model of the temperature sensor is PT100.

[0013] Compared with the prior art, the utility model provides a ring main unit for a power system, which has the following beneficial effects:

[0014] 1. The ring network cabinet for the power system is provided with a dehumidification component. After the moisture enters the dehumidification box through the dehumidification component, it is removed by passing through three layers of cotton core filters in turn. The use of auxiliary drying components can efficiently remove moisture from the air and discharge it into the ring network cabinet again, thereby ensuring a dry environment inside the ring network cabinet and ensuring that the components inside the ring network cabinet will not be damaged by moisture. At the same time, the cotton core filter inside the dehumidification box can be taken out and replaced, further improving the dehumidification efficiency of the dehumidification component.

[0015] 2. The ring main unit for the power system is equipped with an auxiliary drying component. After the moisture passes through the cotton core filter for dehumidification, the electric heating tube generates heat to dry the air for a second time before discharging it, which further enhances the dehumidification effect of the device and ensures that the discharged air is dry. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0017] Figure 1 This is a front view of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the dehumidification component of the utility model structure;

[0020] Figure 4 It is a schematic diagram of the top of the structure of the utility model;

[0021] Figure 5 This is a schematic diagram of the cotton core filter frame of the utility model structure;

[0022] Figure 6 This is a schematic diagram of the heating mechanism of the utility model structure;

[0023] Figure 7 It is a schematic diagram of the back side of the heating mechanism of the structure of the utility model.

[0024] In the figure: 1, ring network cabinet; 2, installation room; 3, diffusion fan; 4, dehumidification mechanism; 41, dehumidification component; 411, wind chamber one; 412, exhaust fan one; 413, air supply duct one; 4131, air pump one; 414, dehumidification box; 4141, cotton core filter rack; 4142, installation block; 4143, cotton core filter; 415, air supply duct two; 4151, air pump two; 416, wind chamber two; 417, air supply fan one; 418, dust screen one; 419, humidity sensor; 4 2. Auxiliary drying component; 421. Heating box; 422. Heating port; 423. Mounting seat; 424. Electric heating pipe; 5. Heating mechanism; 51. Wind chamber three; 52. Air supply fan two; 53. Air duct three; 531. Air pump three; 54. Drying box; 55. Condenser; 56. Water tank; 561. Water inlet; 562. Water outlet; 57. Air duct four; 571. Air pump four; 58. Wind chamber four; 59. Exhaust fan two; 501. Dust screen two; 502. Temperature sensor. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides the following technical solutions:

[0028] Embodiment 1

[0029] See also Figure 1-5 A ring main unit for an electric power system comprises a ring main unit 1, a mounting chamber 2 is fixedly connected to the top of the ring main unit 1, a diffusion fan 3 is arranged inside the mounting chamber 2, a dehumidification mechanism 4 is arranged on the left side of the ring main unit 1, a heating mechanism 5 is arranged on the right side of the ring main unit 1, the dehumidification mechanism 4 comprises a dehumidification component 41 and an auxiliary drying component 42, the dehumidification component 41 is arranged on the left side of the ring main unit 1, and the auxiliary drying component 42 is arranged on the back side of the dehumidification component 41;

[0030] The dehumidification component 41 includes an air chamber 411, which is fixedly connected to the bottom of the left side of the ring network cabinet 1. An exhaust fan 412 is arranged inside the air chamber 411. An air delivery duct 413 is fixedly connected to the back of the air chamber 411. A dehumidification box 414 is fixedly connected to the middle section of the left side of the ring network cabinet 1. The end of the air delivery duct 413 away from the air chamber 411 is fixedly connected to the bottom of the dehumidification box 414. The end of the air delivery duct 413 near the dehumidification box 414 is arranged on the surface of the air delivery duct 413. There is an air pump 1 4131, a cotton core filter frame 4141 is fixedly connected inside the dehumidification box 414, the left and right sides of the cotton core filter frame 4141 are fixedly connected with mounting blocks 4142, and a cotton core filter 4143 is slidably connected inside the mounting block 4142. An air delivery duct 2 415 is fixedly connected to the top of the dehumidification box 414, and an air chamber 2 416 is fixedly connected to the top of the left side of the ring network cabinet 1. The end of the air delivery duct 2 415 away from the dehumidification box 414 is fixedly connected to the air chamber 2 416. On the back side, an air supply fan 417 is arranged inside the air chamber 416, an air pump 4151 is arranged at one end of the air delivery duct 415 close to the air chamber 416, a dust screen 418 is arranged on one side of the exhaust fan 412 and the air supply fan 417 close to the inside of the ring network cabinet 1, and a humidity sensor 419 is fixedly connected to the left side of the bottom back of the ring network cabinet 1, and the model of the humidity sensor 419 is HDC1080. After the moisture enters the dehumidification box 414 through the dehumidification component 41, it is successively removed through the three-layer cotton core filter 4143. With the use of the auxiliary drying component 42, the moisture in the air can be efficiently removed and discharged into the inside of the ring network cabinet 1 again, thereby ensuring the dry environment inside the ring network cabinet 1 and ensuring that the components inside the ring network cabinet 1 will not be damaged by moisture. At the same time, the cotton core filter 4143 inside the dehumidification box 414 can be taken out for replacement, which further improves the dehumidification efficiency of the dehumidification component 41;

[0031] There are three sets of mounting blocks 4142 and cotton core filters 4143, and a dust screen 418 is arranged at the top and bottom of the left end inside the ring main unit 1;

[0032] The auxiliary drying component 42 includes a heating box 421, and the dehumidification component 41 includes a dehumidification box 414. The heating box 421 is installed on the top of the back of the dehumidification box 414. A heating port 422 is provided on the front of the heating box 421. The left and right sides of the heating box 421 are fixedly connected with mounting seats 423. The inner side of the mounting seat 423 is installed with an electric heating pipe 424. After the moisture passes through the cotton core filter 4143 for dehumidification, the heat generated by the electric heating pipe 424 is used to dry the air for a second time before being discharged, which further enhances the dehumidification effect of the device and ensures that the discharged air is dry.

[0033] The mounting base 423 and the electric heating tube 424 are both provided in three groups, and the heating port 422 faces the inside of the dehumidification box 414 .

[0034] Embodiment 2

[0035] See also Figure 1-7 On the basis of the first embodiment, the heating mechanism 5 further comprises an air chamber 3 51, the air chamber 3 51 is fixedly connected to the right bottom of the ring network cabinet 1, an air supply fan 2 52 is arranged inside the air chamber 3 51, an air delivery duct 3 53 is fixedly connected to the back of the air chamber 3 51, a drying box 54 is fixedly connected to the middle section of the right side of the ring network cabinet 1, an end of the air delivery duct 3 53 away from the air chamber 3 51 is fixedly connected to the bottom of the drying box 54, an air pump 3 531 is arranged at the end of the air delivery duct 3 53 close to the drying box 54, a condenser 55 is installed inside the drying box 54, a water tank 56 is fixedly connected to the back of the drying box 54, and a water pump 3 531 is arranged at the end of the air delivery duct 3 53 close to the drying box 54. A water inlet 561 is provided on the top of the box 56, a water outlet 562 is provided on the bottom of the water tank 56, an air supply duct four 57 is fixedly connected to the top of the drying box 54, an air chamber four 58 is fixedly connected to the top right side of the ring network cabinet 1, an exhaust fan two 59 is arranged inside the air chamber four 58, an air pump four 571 is arranged on the end of the air supply duct four 57 close to the air chamber four 58, a dustproof net two 501 is arranged on the ends of the air supply fan two 52 and the exhaust fan two 59 close to the inner side of the ring network cabinet 1, and a temperature sensor 502 is fixedly connected to the right side of the bottom back of the ring network cabinet 1, and the model of the temperature sensor 502 is PT100.

[0036] In actual operation, when the device is used, the internal humidity sensor 419 of the ring network cabinet 1 detects that the inside of the ring network cabinet 1 is damp during operation, and the exhaust fan 412 is started for exhaust, and the moisture inside the ring network cabinet 1 is drawn into the dehumidification box 414 through the cooperation of the air pump 4131 and the air pump 4131, and is dehumidified through the three-layer cotton core filter 4143 in turn. The use of the auxiliary drying component 42 can efficiently remove moisture from the air. After the moisture is dehumidified through the cotton core filter 4143, the heat is generated by the electric heating pipe 424 to dry the air for the second time before being discharged, which further enhances the dehumidification effect of the device, and is discharged into the ring network cabinet 1 again, thereby ensuring a dry environment inside the ring network cabinet 1 and ensuring that the components inside the ring network cabinet 1 will not be affected. The dehumidifier 410 can be removed and replaced to prevent damage from moisture. At the same time, the cotton core filter 4143 inside the dehumidifier box 414 can be taken out and replaced, which further improves the dehumidification efficiency of the dehumidifier component 41. When the temperature sensor 502 detects that the temperature inside the ring network cabinet 1 is too high, the exhaust fan 2 59 is started to draw hot air in, and the hot air is brought to the inside of the drying box 54 through the cooperation of the air supply duct 4 57 and the air pump 4 571, and cooled through the condenser 55. Then, it is discharged to the wind chamber 3 51 through the cooperation of the air supply duct 3 53 and the air pump 3 531, and is discharged to the inside of the ring network cabinet 1 through the air supply fan 2 52, so as to ensure that the temperature inside the ring network cabinet 1 is always in a stable state, and the condensed water in the water tank 56 can be added and discharged through the water inlet 561 and the water outlet 562, so as to ensure the working efficiency of the condenser 55.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A ring main unit for a power system, comprising a ring main unit (1), characterized in that: The top of the ring network cabinet (1) is fixedly connected to an installation room (2), a diffusion fan (3) is arranged inside the installation room (2), a dehumidification mechanism (4) is arranged on the left side of the ring network cabinet (1), and a heating mechanism (5) is arranged on the right side of the ring network cabinet (1), the dehumidification mechanism (4) comprises a dehumidification component (41) and an auxiliary drying component (42), the dehumidification component (41) is arranged on the left side of the ring network cabinet (1), and the auxiliary drying component (42) is arranged on the back side of the dehumidification component (41).

2. The ring main unit for a power system according to claim 1, characterized in that: The dehumidification component (41) comprises an air chamber (411), the air chamber (411) being fixedly connected to the bottom of the left side of the ring network cabinet (1), an exhaust fan (412) being arranged inside the air chamber (411), an air supply pipe (413) being fixedly connected to the back of the air chamber (411), a dehumidification box (414) being fixedly connected to the middle section of the left side of the ring network cabinet (1), an end of the air supply pipe (413) away from the air chamber (411) being fixedly connected to the bottom of the dehumidification box (414), an air pump (4131) being arranged on the surface of the air supply pipe (413) close to the dehumidification box (414), a cotton core filter frame (4141) being fixedly connected inside the dehumidification box (414), and mounting blocks (4142) being fixedly connected to the left and right sides of the cotton core filter frame (4141) The mounting block (4142) is slidably connected to a cotton core filter (4143) inside, the dehumidification box (414) is fixedly connected to the top of an air supply duct (415) and the left top of the ring network cabinet (1) is fixedly connected to a second air chamber (416). The end of the second air supply duct (415) away from the dehumidification box (414) is fixedly connected to the back of the second air chamber (416). An air supply fan (417) is arranged inside the second air chamber (416). An air pump (4151) is arranged at one end of the second air supply duct (415) close to the second air chamber (416). A dustproof net (418) is arranged on one side of the exhaust fan (412) and the air supply fan (417) close to the inside of the ring network cabinet (1). A humidity sensor (419) is fixedly connected to the left bottom of the back of the ring network cabinet (1).

3. The ring main unit for a power system according to claim 2, characterized in that: The mounting blocks (4142) and the cotton core filter screens (4143) are provided in three groups, and the dust screen 1 (418) is provided at the top and bottom of the left end inside the ring main unit (1).

4. The ring main unit for a power system according to claim 1, characterized in that: The auxiliary drying component (42) includes a heating box (421), and the dehumidification component (41) includes a dehumidification box (414). The heating box (421) is installed on the top of the back side of the dehumidification box (414). A heating port (422) is provided on the front side of the heating box (421). The left and right sides of the heating box (421) are fixedly connected with mounting seats (423), and an electric heating pipe (424) is installed inside the mounting seat (423).

5. The ring main unit for a power system according to claim 4, characterized in that: The mounting seat (423) and the electric heating tube (424) are both provided in three groups, and the heating port (422) faces the interior of the dehumidification box (414).

6. The ring main unit for a power system according to claim 1, characterized in that: The temperature raising mechanism (5) comprises a wind chamber three (51), the wind chamber three (51) is fixedly connected to the right bottom of the ring network cabinet (1), an air supply fan two (52) is arranged inside the wind chamber three (51), an air supply pipe three (53) is fixedly connected to the back of the wind chamber three (51), a drying box (54) is fixedly connected to the middle section of the right side of the ring network cabinet (1), an end of the air supply pipe three (53) away from the wind chamber three (51) is fixedly connected to the bottom of the drying box (54), an air pump three (531) is arranged at the end of the air supply pipe three (53) close to the drying box (54), a condenser (55) is installed inside the drying box (54), and a water tank (56) is fixedly connected to the back of the drying box (54). ), a water inlet (561) is provided at the top of the water tank (56), a water outlet (562) is provided at the bottom of the water tank (56), an air supply duct four (57) is fixedly connected to the top of the drying box (54), an air chamber four (58) is fixedly connected to the top of the right side of the ring network cabinet (1), an exhaust fan two (59) is arranged inside the air chamber four (58), an air pump four (571) is arranged at one end of the air supply duct four (57) close to the air chamber four (58), a dustproof net two (501) is arranged at one end of the air supply fan two (52) and the exhaust fan two (59) close to the inner side of the ring network cabinet (1), and a temperature sensor (502) is fixedly connected to the right side of the bottom back of the ring network cabinet (1).

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