Ring main unit

Abstract

The utility model belongs to the technical field of electrical cabinet application, and particularly discloses a ring main unit which comprises a ring main unit body, a cabinet door, a PLC, a temperature and humidity sensor, an air outlet, an exhaust fan fixing frame, an exhaust fan, an air outlet guide pipe, a first sealant layer, a vertical through groove, a dust blocking net, a vertical guide screw groove connector, a vertical connecting stud, a vertical supporting connecting part and a conical baffle. Wherein the temperature and humidity sensor and the exhaust fan are respectively connected with the PLC. The ring main unit provided by the utility model has the beneficial effects that 1, the ring main unit not only can perform rapid ventilation and heat dissipation, but also can perform a corresponding temperature increasing function on the interior when being used in a cold region, so that the internal environment is always located in the working range of the optimal state of electrical elements, the service life of the electrical elements is prolonged, and safe power transmission is also realized; and 2, the sizes of the vertical through grooves and the dust blocking nets are enlarged, and the vertical sealing partition plates are correspondingly matched, so that the ventilation and heat dissipation efficiency is improved, and sealing and heat preservation can be performed when the device is used in cold regions.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrical cabinet application, and in particular relates to a ring network cabinet. Background Art

[0002] The ring main unit is an indispensable electrical component in the power system. When it is used in an outdoor environment, its internal environment needs to be monitored in real time to ensure that the internal electrical components operate in a reasonable temperature and humidity environment.

[0003] After retrieval by the applicant: application number or patent number 202320440307.8, it discloses a ring network cabinet, including a cabinet body, a mounting hole is opened on the top of the cabinet body, a first dustproof net is fixedly arranged on the top of the mounting hole, an exhaust fan is fixedly arranged on the bottom of the mounting hole, a plurality of heat dissipation holes are opened on both sides of the cabinet body, mounting shells are fixedly arranged on both sides of the cabinet body, a mounting pipe is fixedly installed in the mounting shell, a cooling fan is installed in the mounting pipe, a main pipe is sealed and fixedly arranged at the other end of the mounting pipe, the main pipe passes through the cabinet body and is fixedly connected to a branch pipe, and a plurality of air outlet pipes are fixedly arranged on the side wall of the branch pipe. The utility model solves the problem that most of the heat dissipation of the ring network cabinet at present is to open ventilation holes in the cabinet body, but the ventilation effect of this method is not good.

[0004] After analysis: it simply solves the problem of poor ventilation of the ring network cabinet, that is, the heat inside the cabinet is dissipated. The ring network cabinet used in conventional outdoor environments not only has the problem of heat not being able to be ventilated, but also has the problem of low heat dissipation efficiency. At the same time, there is also the problem of too low internal temperature in cold weather environments, so as to ensure that the internal temperature and humidity environment is always within the working range of the electrical components to keep them in the best working state. How to design a ring network cabinet with a reasonable structure, low cost, and the ability to maintain a constant temperature and humidity environment is currently being studied and solved.

[0005] Therefore, based on the above problem, the utility model provides a ring network cabinet. Utility Model Content

[0006] Purpose of the utility model: The purpose of the utility model is to provide a ring main unit to solve the problem of single function existing in the current ring main unit in the background technology.

[0007] Technical solution: The utility model provides a ring network cabinet, comprising a ring network cabinet body, a cabinet door and a PLC controller, a temperature and humidity sensor is diagonally arranged on the inner wall of the cabinet door, an air outlet is arranged in the upper end face of the ring network cabinet body and on one side of the vertical guide screw groove connecting seat, an exhaust fan fixing frame is arranged on the upper end face of the ring network cabinet body and above the air outlet, an exhaust fan is arranged on the exhaust fan fixing frame, the air outlet and the exhaust fan are connected by an air outlet duct, a first sealing adhesive layer is arranged on the connecting surface of the air outlet and the air outlet duct, a vertical through groove is arranged on the symmetrical center line of the cabinet door, a dust screen is arranged in the vertical through groove, a vertical guide screw groove connecting seat is arranged on the end face of the symmetrical center line of the upper part of the ring network cabinet body, a vertical connecting stud is rotatably assembled in the vertical guide screw groove connecting seat, one end face of the vertical connecting stud is arranged with a vertical support connecting part, and one end of the vertical support connecting part is arranged with a conical baffle; wherein, the temperature and humidity sensor and the exhaust fan are respectively connected to the PLC controller.

[0008] In the technical solution of the present invention, the ring network cabinet also includes a U-shaped plate arranged on the outer wall of the cabinet door and located on the outer layer of the vertical through groove, and horizontal screw holes symmetrically arranged on both sides of the U-shaped plate, and a vertical sealing partition tightly mounted on the outer wall of the vertical through groove and located in the U-shaped plate, and several groups of vertical sealing partition horizontal screw grooves symmetrically arranged on both sides of the vertical sealing partition, and horizontal bolts that fix and assemble the U-shaped plate and the vertical sealing partition through the horizontal screw holes and the vertical sealing partition horizontal screw grooves.

[0009] In the technical solution of the present invention, the ring network cabinet also includes an air inlet arranged in the upper end face of the ring network cabinet body and located on the other side of the vertical guide screw groove connecting seat, and a hot air blower fixing frame arranged on the upper end face of the ring network cabinet body and located above the air inlet, and a hot air blower arranged on the hot air blower fixing frame, and an air inlet duct connecting the air inlet and the hot air blower, and a second sealing adhesive layer arranged on the connecting surface of the air inlet and the hot air blower; wherein the hot air blower is connected to the PLC controller.

[0010] In the technical solution of the present invention, the ring main unit also includes a magnetic seat arranged on the temperature and humidity sensor.

[0011] Compared with the prior art, the beneficial effects of a ring network cabinet of the utility model are: 1. Compared with the traditional ring network cabinet, it can not only perform rapid ventilation and heat dissipation, but also perform corresponding internal heating function when used in cold areas, so that the internal environment is always within the working range of the best state of the electrical components, that is, the life of the electrical components is extended, and safe power transmission is achieved; 2. The size of the vertical through grooves and dust screens is enlarged, and the vertical sealing baffles are matched accordingly, that is, the ventilation and heat dissipation efficiency is improved, and sealing and heat preservation can be performed when used in cold areas; 3. The vertical guide screw groove connecting seat, vertical connecting studs, vertical support connecting parts and conical baffles on the top are designed to block rain and snow and protect the exhaust fan and hot air blower. At the same time, when dissipating heat, the exhaust fan blows directly on the inner wall of the conical baffle, which also accelerates the melting of accumulated snow and ensures overall safety. In addition, the overall split combination structure is also convenient for assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 This is a schematic diagram of the main structure of a ring network cabinet of the utility model;

[0014] Figure 2 It is a schematic diagram of the assembly structure of a cabinet door, a U-shaped plate, a horizontal screw hole, a vertical sealing partition, a plurality of groups of vertical sealing partition horizontal screw grooves and horizontal bolts of a ring network cabinet of the utility model;

[0015] Figure 3 It is a side view structural schematic diagram of a ring network cabinet door, a U-shaped plate, a horizontal screw hole, a vertical sealing partition and a horizontal screw groove of the vertical sealing partition, a temperature and humidity sensor, a magnetic seat, etc.;

[0016] Among them, the serial numbers in the figure are as follows: 100-ring network cabinet body, 101-cabinet door, 102-PLC controller, 200-magnetic seat, 201-temperature and humidity sensor, 202-hot air blower, 203-air outlet, 204-exhaust fan fixing frame, 205-exhaust fan, 206-air outlet duct, 207-first sealing glue layer, 208-vertical through groove, 209-dust screen, 210-U-shaped plate, 211-horizontal screw hole, 212-vertical sealing partition, 213-vertical sealing partition horizontal screw groove, 214-horizontal bolt, 215-vertical guide screw groove connecting seat, 216-vertical connecting stud, 217-vertical support connecting part, 218-conical baffle, 219-air outlet, 220-hot air blower fixing frame, 221-air inlet duct, 222-second sealing glue layer. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0018] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top end", "bottom end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 it can be an indirect connection through an intermediate medium, or it can be a communication between the 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.

[0019] Embodiment 1

[0020] like Figure 1 The ring main unit shown in the figure comprises a ring main unit body 100, a cabinet door 101 and a PLC controller 102.

[0021] A temperature and humidity sensor 201 is disposed diagonally on the inner wall of the cabinet door 101.

[0022] An air outlet 203 is provided in the upper end surface of the ring main unit 100 and located on one side of the vertical guide screw groove connection seat 215.

[0023] An exhaust fan fixing frame 204 is provided on the upper end surface of the ring main unit 100 and above the air outlet 203.

[0024] An exhaust fan 205 is provided on the exhaust fan fixing frame 204.

[0025] The air outlet 203 and the exhaust fan 205 are connected via an air outlet duct 206.

[0026] The connecting surface of the air outlet 203 and the air outlet duct 206 is provided with a first sealant layer 207.

[0027] A vertical through slot 208 is provided on the symmetrical center line of the cabinet door 101.

[0028] A dust screen 209 is provided in the vertical groove 208.

[0029] A vertical guide screw groove connection seat 215 is provided on the symmetrical center line end surface of the upper part of the ring main unit 100.

[0030] A vertical connecting stud 216 is rotatably mounted in the vertical guide screw groove connecting seat 215.

[0031] A vertical support connection portion 217 is provided on one end surface of the vertical connection stud 216.

[0032] A conical baffle 218 is provided at one end of the vertical support connection portion 217;

[0033] Among them, the temperature and humidity sensor 201 and the exhaust fan 205 are respectively connected to the PLC controller 102. The PLC controller 102 compares the temperature and humidity values ​​inside the ring network cabinet body 100 fed back by the temperature and humidity sensor 201 with the preset values ​​of the PLC controller 102; when the temperature and humidity values ​​are greater than the preset values, the exhaust fan 205 is controlled to start. At this time, the external air enters through the dust screen 209 of the vertical through groove 208, and is guided and discharged by the exhaust fan 205 through the air outlet 203 and the air outlet duct 206. This process takes away the internal heat of the ring network cabinet body 100; at the same time, the PLC controller 102 receives real-time feedback from the temperature and humidity sensor 201. When the temperature and humidity values ​​are lower than or equal to the preset values, the exhaust fan 205 is controlled to stop.

[0034] Embodiment 2

[0035] On the basis of the first embodiment, the ring main unit further includes a U-shaped plate 210 arranged on the outer wall of the cabinet door 101 and located on the outer layer of the vertical through groove 208, and horizontal screw holes 211 symmetrically arranged on both sides of the U-shaped plate 210, and a vertical sealing partition 212 tightly attached to the outer wall of the vertical through groove 208 and located in the U-shaped plate 210, and a plurality of groups of vertical sealing partition horizontal screw grooves 213 symmetrically arranged on both sides of the vertical sealing partition 212, and horizontal bolts 214 for fixing and assembling the U-shaped plate 210 and the vertical sealing partition 212 through the horizontal screw holes 211 and the vertical sealing partition horizontal screw grooves 213;

[0036] The vertical sealing partition 212 has a control mode of being fully open, 1 / 4 open, 2 / 4 open, 3 / 4 open or closed.

[0037] Embodiment 3

[0038] On the basis of the first or second embodiment, the ring network cabinet further includes an air inlet 219 arranged in the upper end surface of the ring network cabinet body 100 and located on the other side of the vertical guide screw groove connection seat 215, and a hot air blower fixing frame 220 arranged on the upper end surface of the ring network cabinet body 100 and located above the air inlet 219, and a hot air blower 202 arranged on the hot air blower fixing frame 220, and an air inlet duct 221 connecting the air inlet 219 and the hot air blower 202, and a second sealing adhesive layer 222 arranged on the connection surface of the air inlet 219 and the hot air blower 202;

[0039] Among them, the hot air blower 202 is connected to the PLC controller 102. At this time, it is in a cold temperature environment. At the same time, the vertical sealing partition 212 is in a closed state, and the exhaust fan 205 is shut down; when the temperature and humidity values ​​are lower than the preset values, the hot air blower 202 is started to enter the ring network cabinet body 100 through the air inlet duct 221 and the air inlet 219 to achieve the function of heating; when the temperature and humidity values ​​are equal to the preset values, the hot air blower 202 is controlled to shut down; and when the temperature and humidity values ​​are greater than the preset values, the control mode of embodiment one is repeated, and the two modes work simultaneously.

[0040] In addition, the preferred ring main unit also includes a magnetic seat 200 arranged on the temperature and humidity sensor 201; wherein the temperature and humidity sensor 201 is adsorbed and arranged on the inner wall diagonal of the cabinet door 101 through the magnetic seat 200, so that the temperature and humidity sensor 201 can be installed or replaced without destroying the structural integrity of the inner wall of the cabinet door 101.

[0041] The working principle or structural principle of the ring main unit of this structure:

[0042] (1) The PLC controller 102 compares the temperature and humidity values ​​inside the ring main unit 100 fed back by the temperature and humidity sensor 201 with the preset values ​​of the PLC controller 102; when the temperature and humidity values ​​meet the preset values, the exhaust fan 205 does not work; when the temperature and humidity values ​​do not meet the preset values, the working mode of embodiment 1 is performed.

[0043] (2) The PLC controller 102 compares the temperature and humidity values ​​inside the ring main unit 100 fed back by the temperature and humidity sensor 201 with the preset values ​​of the PLC controller 102; when the temperature and humidity values ​​meet the preset values, the exhaust fan 205 and the hot air blower 202 do not work; when the temperature and humidity values ​​do not meet the preset values, the working mode of Example 3 is performed.

[0044] The temperature and humidity sensor 201, exhaust fan 205, PLC controller 102, etc. in the ring network cabinet of this structure are all conventional components or devices, and this application does not make any improvements.

[0045] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations 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 includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0046] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A ring main unit, comprising a ring main unit body (100), a cabinet door (101) and a PLC controller (102), characterized in that: A temperature and humidity sensor (201) is provided diagonally on the inner wall of the cabinet door (101). An air outlet (203) is provided in the upper end surface of the ring main unit (100) and located on one side of the vertical guide screw groove connection seat (215). An exhaust fan fixing frame (204) is provided on the upper end surface of the ring main unit (100) and above the air outlet (203). The exhaust fan fixing frame (204) is provided with an exhaust fan (205). The air outlet (203) and the exhaust fan (205) are connected via an air outlet duct (206). The connecting surfaces of the air outlet (203) and the air outlet conduit (206) are provided with a first sealing adhesive layer (207). A vertical through groove (208) is provided on the symmetric center line of the cabinet door (101). A dust-blocking net (209) is arranged in the vertical through groove (208). A vertical guide screw groove connection seat (215) is provided on the symmetrical center line end surface of the upper part of the ring main unit (100). A vertical connecting stud (216) is rotatably mounted in the vertical guide screw groove connection seat (215). One end surface of the vertical connection stud (216) is provided with a vertical support connection portion (217). A conical baffle (218) is provided at one end of the vertical support connection portion (217); Wherein, the temperature and humidity sensor (201) and the exhaust fan (205) are respectively connected to the PLC controller (102).

2. A ring main unit according to claim 1, characterized in that: The ring network cabinet also includes a U-shaped plate (210) arranged on the outer wall of the cabinet door (101) and located on the outer layer of the vertical through groove (208), and horizontal screw holes (211) symmetrically arranged on both sides of the U-shaped plate (210), and a vertical sealing partition (212) tightly mounted on the outer wall of the vertical through groove (208) and located in the U-shaped plate (210), and a plurality of groups of vertical sealing partition horizontal screw grooves (213) symmetrically arranged on both sides of the vertical sealing partition (212), and horizontal bolts (214) for fixing and assembling the U-shaped plate (210) and the vertical sealing partition (212) through the horizontal screw holes (211) and the vertical sealing partition horizontal screw grooves (213).

3. A ring main unit according to claim 2, characterized in that: The ring network cabinet also includes an air inlet (219) arranged in the upper end surface of the ring network cabinet body (100) and located on the other side of the vertical guide screw groove connection seat (215), and a hot air blower fixing frame (220) arranged on the upper end surface of the ring network cabinet body (100) and located above the air inlet (219), and a hot air blower (202) arranged on the hot air blower fixing frame (220), and an air inlet duct (221) connecting the air inlet (219) and the hot air blower (202), and a second sealing adhesive layer (222) arranged on the connection surface of the air inlet (219) and the hot air blower (202); wherein the hot air blower (202) is connected to the PLC controller (102).

4. The ring main unit according to claim 1, characterized in that: The ring main unit also includes a magnetic seat (200) arranged on the temperature and humidity sensor (201).

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