Ring main unit with moisture-proof and dehumidification function

By setting up partition components and exhaust components in the ring net cabinet, the bidirectional groove plate and exhaust components are used to form a negative pressure state to discharge moisture and toxic gas in the cable trench, the rust caused by underground moisture and toxic gases is solved. and corrosion problems extend the life of power equipment and cables.

CN111682421BActive Publication Date: 2025-02-18SHIZUISHAN POWER SUPPLY COMPANY OF STATE GRID NINGXIA ELECTRIC POWER
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Patent Information

Application Number
CN202010690480.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-07-17
Publication Date
2025-02-18
Estimated Expiration
2040-07-17

AI Technical Summary

Technical Problem

When existing ring grid cabinets are affected by underground moisture and toxic gas, they are prone to metal corrosion and corrosion, resulting in a shortening of the life of power equipment and may even cause cable head explosion or power equipment to burn.

Method used

A ring net cabinet with moisture-proof and dehumidification function is designed. By setting a partition assembly and exhaust assembly between the cabinet body and the cable trench, a negative pressure state is formed by using the bidirectional groove plate and exhaust assembly to discharge the moisture in the cable trench and Poison gas prevents it from rising to the inside of the cabinet.

Benefits of technology

It effectively reduces the possibility that moisture and poison gas in the cable trench will rise to the inside of the ring cabinet, extends the life of power equipment and cables, and avoids the risk of cable head explosion and power equipment burning.

✦ Generated by Eureka AI based on patent content.

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    Figure CN111682421B_ABST
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Abstract

A ring network cabinet with moisture-proof and dehumidification functions relates to the technical field of power ring network cabinets, comprising a cabinet body and a cable trench arranged in sequence from top to bottom, and a cable extending from the cable trench to the inside of the cabinet body, a partition component located between the cabinet body and the cable trench, and an exhaust component connected to the partition component, wherein the partition component comprises a predetermined number of bidirectional slot plates that are sequentially plugged in transversely, and the bidirectional slot plates comprise transversely continuous forward U-shaped slots and reverse U-shaped slots. The plug-in arrangement of the forward U-shaped slot and the reverse U-shaped slot of the bidirectional slot plate, and the negative pressure state formed by the reverse U-shaped slot opening and the exhaust component, enable the moisture and poisonous gas in the cable trench to rise to the inside of the reverse U-shaped slot opening and be discharged by the exhaust component, and the bottom plate of the forward U-shaped slot and the top plate of the reverse U-shaped slot cooperate to block, thereby reducing the possibility of moisture and poisonous gas in the cable trench rising to the inside of the cabinet body.
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Description

Technical Field

[0001] The invention relates to the technical field of power ring network cabinets, and in particular to a ring network cabinet with moisture-proof and dehumidification functions. Background Art

[0002] In order to meet the requirements of urban environmental beautification, most ring network cabinets have been transformed into underground cables, and cable trenches have been added. The cables are extended from underground to the inside of the ring network cabinet through the cable trenches to connect with the equipment. However, the underground cable trenches will be affected by the rain, fog, dew, groundwater, and toxic and harmful gases on the ground, accumulating moisture and toxic gases, and rising along the cables to the inside of the ring network cabinet, causing rust and corrosion of metals such as the ring network cabinet plug, knife switch, and cable head, as well as "condensation", greatly shortening the life of power equipment and cables. In severe cases, it may cause the cable head to explode or the power equipment to burn, making the power equipment unable to operate or even completely scrapped.

[0003] Based on the above problems, some power industries connect the inside of the cable trench with the outside world to extract the moisture and toxic gases inside the cable trench. However, the cable trench and the inside of the ring main unit are connected. The moisture and toxic gases in the cable trench will inevitably rise to the inside of the ring main unit, affecting the power equipment inside the ring main unit to varying degrees. Summary of the invention

[0004] In view of this, it is necessary to provide a ring network cabinet with moisture-proof and dehumidification function, which can relatively reduce the possibility of moisture and toxic gases inside the cable trench rising to the inside of the cabinet of the ring network cabinet.

[0005] A ring network cabinet with moisture-proof and dehumidification functions comprises a cabinet body and a cable trench arranged in sequence from top to bottom, and a cable extending from the cable trench to the inside of the cabinet body, a partition assembly located between the cabinet body and the cable trench, and an exhaust assembly connected to the partition assembly, wherein the partition assembly comprises a predetermined number of bidirectional slot plates which are sequentially plugged in transversely, the bidirectional slot plates comprise a transversely continuous positive U-shaped slot and a reverse U-shaped slot, the side plates of the reverse U-shaped slot of one bidirectional slot plate are inserted into the opening of the positive U-shaped slot of another bidirectional slot plate, and so on, the opening of the positive U-shaped slot faces the inside of the cabinet body and is connected to the inside of the cabinet body, the opening of the reverse U-shaped slot faces the cable trench and is connected to the inside of the cable trench, the end opening of the reverse U-shaped slot is connected to the exhaust assembly, so that the inside of the opening of the reverse U-shaped slot is in a negative pressure state, thereby causing moisture and poisonous gas in the cable trench to be discharged from the opening of the reverse U-shaped slot and the exhaust assembly in sequence, and due to the negative pressure in the opening of the reverse U-shaped slot and the blocking of the bottom plate of the positive U-shaped slot, the moisture and poisonous gas in the cable trench cannot rise to the inside of the cabinet body.

[0006] Preferably, a vent is provided on the cabinet, and a gap exists at the insertion position between every two bidirectional slot plates, so that the gas inside the cabinet can enter the opening of the forward U-shaped slot through the gap and be discharged by the exhaust assembly.

[0007] Preferably, the exhaust assembly includes an exhaust pipe and an exhaust fan, one end of the exhaust pipe is connected to the end opening of the reverse U-shaped groove and the end opening of the forward U-shaped groove, and the other end is connected to the exhaust fan.

[0008] Preferably, the exhaust assembly also includes a gas filter, which is arranged inside the exhaust pipe to filter the gas in the cable trench and the cabinet before discharging it to prevent environmental pollution.

[0009] Preferably, the partition assembly also includes a local ventilation partition arranged between the bidirectional groove plate and the cable trench, and a predetermined number of through holes are opened on the local ventilation partition, and the through holes are all opened directly below the opening of the reverse U-shaped groove, so that moisture and toxic gases in the cable trench can enter the opening of the reverse U-shaped groove through the through holes.

[0010] Preferably, a dust filter is provided on the vent to prevent external dust from entering the interior of the cabinet.

[0011] Preferably, the ring main unit with moisture-proof and dehumidification function also includes a temperature detector arranged inside the cabinet and a humidity detector arranged inside the cable trench to respectively detect the temperature inside the cabinet and the humidity inside the cable trench.

[0012] Preferably, the ring main unit with moisture-proof and dehumidification functions also includes a power supply component, which includes a battery, a photovoltaic panel and a junction box arranged outside the top of the cabinet. The photovoltaic panel is electrically connected to the junction box to convert light energy into electrical energy and transmit the electrical energy to the junction box for collection. The junction box is electrically connected to the battery to transmit the collected electrical energy inside the junction box to the battery for storage. The battery is electrically connected to the exhaust fan, temperature detector, and humidity detector to provide power for the exhaust fan, temperature detector, and humidity detector.

[0013] The present invention adopts the above technical scheme, and its beneficial effects are: the plug-in setting of the positive U-shaped groove and the reverse U-shaped groove of the bidirectional groove plate, and the negative pressure state formed by the inside of the reverse U-shaped groove opening and the exhaust component, so that the moisture and toxic gas in the cable trench rise to the inside of the reverse U-shaped groove opening and are discharged by the exhaust component, and the bottom plate of the positive U-shaped groove and the top plate of the reverse U-shaped groove cooperate to block, thereby reducing the possibility of moisture and toxic gas in the cable trench rising to the inside of the cabinet, thereby reducing the impact of moisture and toxic gas on the electrical equipment inside the cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural diagram of a ring main unit with moisture-proof and dehumidification functions.

[0015] Figure 2 for Figure 1 Schematic diagram of the structure from another angle.

[0016] Figure 3 for Figure 1 A cross-sectional view in one direction.

[0017] Figure 4 for Figure 3 Schematic diagram of the structure from another angle.

[0018] Figure 5 for Figure 3 A schematic diagram of the structure from another angle.

[0019] Figure 6 for Figure 1 Cross-sectional view from another direction.

[0020] Figure 7 for Figure 6 Schematic diagram of the structure from another angle.

[0021] Figure 8 for Figure 1 A cross-sectional view from another direction.

[0022] Fig. 9 This is the schematic diagram of the control unit.

[0023] In the figure: a ring main unit 10 with moisture-proof and dehumidification functions, a cabinet 20, a vent 21, a cable trench 30, a cable 31, a partition 32, a partition assembly 40, a two-way slot plate 41, a forward U-shaped slot 411, a reverse U-shaped slot 412, a local ventilation partition 42, a through hole 421, an exhaust assembly 50, an exhaust pipe 51, an exhaust fan 52, a gas filter 53, a transverse partition 54, an exhaust port 541, a first vertical partition 55, a second vertical partition 56, a third vertical partition 57, a temperature detector 60, a humidity detector 70, a battery 81, a photovoltaic panel 82, a control unit 90, a temperature receiving module 91, a temperature comparison module 92, a humidity receiving module 93, a humidity comparison module 94, a switch control module 95, and a timing module 96. DETAILED DESCRIPTION

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Please see Figures 1 to 8The embodiment of the present invention provides a ring network cabinet 10 with moisture-proof and dehumidification functions, including a cabinet 20 and a cable trench 30 arranged in sequence from top to bottom, and a cable 31 extending from the cable trench 30 to the inside of the cabinet 20, and also including a partition component 40 located between the cabinet 20 and the cable trench 30, and an exhaust component 50 connected to the partition component 40, the partition component 40 includes a predetermined number of bidirectional slot plates 41 that are sequentially plugged in transversely, the bidirectional slot plates 41 include a transversely continuous positive U-shaped slot 411 and a reverse U-shaped slot 412, and the side plate of the reverse U-shaped slot 412 of one bidirectional slot plate 41 is inserted into the positive U-shaped slot 411 of another bidirectional slot plate 41 The opening of the forward U-shaped groove 411 faces the interior of the cabinet 20 and is connected to the interior of the cabinet 20, the opening of the reverse U-shaped groove 412 faces the cable trench 30 and is connected to the interior of the cable trench 30, and the end opening of the reverse U-shaped groove 412 is connected to the exhaust assembly 50, so that the opening of the reverse U-shaped groove 412 is in a negative pressure state, and then the moisture and toxic gas in the cable trench 30 are discharged from the opening of the reverse U-shaped groove 412 and the exhaust assembly 50 in turn, and due to the negative pressure in the opening of the reverse U-shaped groove 412 and the blocking of the bottom plate of the forward U-shaped groove 411, the moisture and toxic gas in the cable trench 30 cannot rise to the interior of the cabinet 20.

[0026] Furthermore, the bidirectional slot plate 41 located on the far left does not include a forward U-shaped slot 411 .

[0027] Furthermore, a vent 21 is provided on the cabinet 20 , and a gap exists at the insertion position between each two bidirectional slot plates 41 , so that the gas inside the cabinet 20 can enter the opening of the reverse U-shaped slot 412 through the gap and be discharged by the exhaust assembly 50 .

[0028] Furthermore, the exhaust assembly 50 includes an exhaust pipe 51 and an exhaust fan 52. One end of the exhaust pipe 51 is connected to the end openings of the reverse U-shaped groove 412 and the end openings of the forward U-shaped groove 411, and the other end is connected to the exhaust fan 52. The exhaust pipe 51 is fixed to the outer wall of the cabinet 20.

[0029] Furthermore, the exhaust assembly 50 also includes a gas filter 53, which is disposed inside the exhaust pipe 51 to filter the gas inside the cable trench 30 and the cabinet 20 before discharging it to prevent environmental pollution.

[0030] Furthermore, the partition assembly 40 also includes a local ventilation partition 42 arranged between the bidirectional groove plate 41 and the cable trench 30, and a predetermined number of through holes 421 are opened on the local ventilation partition 42. The through holes 421 are all opened directly below the opening of the reverse U-shaped groove 412, so that moisture and toxic gases in the cable trench 30 can enter the opening of the reverse U-shaped groove 412 through the through holes 421.

[0031] Furthermore, the cable 31 extends from the cable trench 30 through the local ventilation baffle 42 and the two-way slot plate 41 to the interior of the cabinet 20 in sequence, and the contact between the cable 31 and the local ventilation baffle 42 and the two-way slot plate 41 is sealed to reduce the moisture and toxic gas in the cable trench 30 from rising to the gap inside the cabinet 20.

[0032] Furthermore, a dust filter is provided on the ventilation opening 21 to prevent external dust from entering the cabinet 20 .

[0033] Furthermore, the ring main unit 10 with moisture-proof and dehumidification functions also includes a temperature detector 60 arranged inside the cabinet 20 and a humidity detector 70 arranged inside the cable trench 30 to respectively detect the temperature inside the cabinet 20 and the humidity inside the cable trench 30.

[0034] Furthermore, a square groove is provided at the top of the cable trench 30, and a partition 32 is vertically provided inside the square groove. The partition 32 divides the square groove into a first groove body and a second groove body. The local ventilation partition 42 is located directly above the first groove body. The local ventilation partition 42, the inner wall of the first groove body, and the partition 32 form a first space with six sides, so that the humidity detector 70 can detect the humidity more accurately. The length of the local ventilation partition 42 and the length of the two-way groove plate 41 are not greater than the length of the first space; the exhaust assembly 50 also includes a transverse partition 54, a first vertical partition The first vertical partition 55 is connected to the outer wall of the cabinet 20, the second vertical partition 56 is connected to the outer wall of the cabinet 20, and the first vertical partition 55 is connected to the outer wall of the cabinet 20. The second vertical partition 56 and the third vertical partition 57 are connected to the outer wall of the cabinet 20. The first vertical partition 55 is connected to the outer wall of the cabinet 20, and the second vertical partition 56 and the third vertical partition 57 are connected to the outer wall of the cabinet 20. The first vertical partition 55 is connected to the outer wall of the cabinet 20, and the second vertical partition 56 and the third vertical partition 57 are connected to the outer wall of the cabinet 20. The four adjacent sides of the second vertical partition 56 are respectively fixedly connected to the outer top surface of the cable trench 30, one side of the transverse partition 54, one side of the first vertical partition 55, and the outer side surface of the cabinet 20, and are perpendicular to the four. The four adjacent sides of the third vertical partition 57 are respectively fixedly connected to the outer top surface of the cable trench 30, one side of the transverse partition 54, one side of the first vertical partition 55, and the outer side surface of the cabinet 20, and are perpendicular to the four. The inner wall, the partition 32, the transverse partition 54, the first vertical partition 55, the second vertical partition 56, and the third vertical partition 57 form a six-sided second space. The openings of the positive U-shaped groove 411 and the reverse U-shaped groove 412 are both connected to the second space. An exhaust port 541 is provided on the transverse partition 54. The exhaust port 541 is connected to one end of the exhaust pipe 51, so that the moisture and poisonous gas inside the opening of the reverse U-shaped groove 412 can be passed through the second space, through the exhaust port 541, into the exhaust pipe 51, and discharged into the atmosphere by the exhaust fan 52.

[0035] Furthermore, the ring main unit 10 with moisture-proof and dehumidification functions also includes a power supply component, which includes a battery 81, a photovoltaic panel 82 and a junction box arranged outside the top of the cabinet. The photovoltaic panel 82 is electrically connected to the junction box to convert light energy into electrical energy and transmit the electrical energy to the junction box for collection. The junction box is electrically connected to the battery 81 to transmit the collected electrical energy inside the junction box to the battery 81 for storage. The battery is electrically connected to the exhaust fan 52, the temperature detector 60, and the humidity detector 70 to provide power for the exhaust fan 52, the temperature detector 60, and the humidity detector 70.

[0036] Please see Fig. 9 Furthermore, the ring network cabinet 10 with moisture-proof and dehumidification function also includes a control unit 90, which includes a temperature receiving module 91, a temperature comparison module 92, a humidity receiving module 93, a humidity comparison module 94, a switch control module 95, and a timing module 96. The output end of the temperature detector 60 is electrically connected to the input end of the temperature receiving module 91, the output end of the temperature receiving module 91 is electrically connected to the input end of the temperature comparison module 92, and the output end of the temperature comparison module 92 is electrically connected to the input end of the switch control module 95 and the input end of the timing module 96; the output end of the humidity detector 70 is electrically connected to the input end of the humidity receiving module 93, the output end of the humidity receiving module 93 is electrically connected to the input end of the humidity comparison module 94, and the output end of the humidity comparison module 94 is electrically connected to the input end of the switch control module 95 and the input end of the timing module 96; the output end of the timing module 96 is electrically connected to the input end of the switch control module 95, and the output end of the switch control module 95 is electrically connected to the switch of the exhaust fan 52. The temperature comparison module 92 and the humidity comparison module 94 respectively pre-store predetermined temperature data, predetermined humidity data, and predetermined time.

[0037] Furthermore, the predetermined temperature data is 30-45° C., the predetermined humidity data is 20%-40%, and the predetermined time is 6-10 minutes.

[0038] When the device does not include the control unit 90, the temperature detector 60 and the humidity detector 70 respectively detect the temperature and humidity inside the cabinet 20 and the cable trench 30 in real time, and display the temperature data and humidity data respectively, and the operator opens or closes the exhaust fan 52 according to the temperature data and humidity data.

[0039] When the device including the control unit 90 is used, the temperature detector 60 detects the temperature inside the cabinet 20 in real time and transmits the temperature data to the temperature comparison module 92. The temperature comparison module 92 receives the temperature data and compares the temperature data with the pre-stored temperature data. If the two are the same, the temperature comparison module 92 generates an open signal and transmits the open signal to the switch control module 95 and the timing module 96 respectively. The switch control module 95 controls the exhaust fan 52 to turn on, and the timing module 96 starts to count from 0. When the counting time is the same as the preset time, the timing module 96 generates a close signal and transmits the close signal to the switch control module 95. The switch control module 95 controls the exhaust fan 52 to turn off; if the two are different, the temperature data continues to be received and compared. The humidity detector 70 detects the humidity inside the cabinet 20 in real time, and transmits the humidity data to the humidity comparison module 94. The humidity comparison module 94 receives the humidity data and compares the humidity data with the pre-stored humidity data. If the two are the same, the humidity comparison module 94 generates an open signal, and transmits the open signal to the switch control module 95 and the timing module 96 respectively. The switch control module 95 controls the exhaust fan 52 to turn on, and the timing module 96 starts to count from 0. When the timing reaches the same time as the preset time, the timing module 96 generates a close signal and transmits the close signal to the switch control module 95. The switch control module 95 controls the exhaust fan 52 to turn off; if the two are different, the humidity data continues to be received and compared.

[0040] What is disclosed above is only a preferred embodiment of the present invention, which certainly cannot be used to limit the scope of rights of the present invention. A person skilled in the art can understand that all or part of the processes of the above embodiments and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A ring main unit with moisture-proof and dehumidification functions, comprising a cabinet body and a cable trench arranged in sequence from top to bottom, and a cable extending from the cable trench to the inside of the cabinet body, characterized in that: The utility model also includes a partition component located between the cabinet and the cable trench, and an exhaust component connected with the partition component, the partition component includes a predetermined number of bidirectional slot plates which are sequentially inserted in a transverse direction, the bidirectional slot plates include a transversely continuous positive U-shaped slot and a reverse U-shaped slot, the side plate of the reverse U-shaped slot of a bidirectional slot plate is inserted into the opening of the positive U-shaped slot of another bidirectional slot plate, and so on, the opening of the positive U-shaped slot faces the interior of the cabinet and is connected with the interior of the cabinet, the opening of the reverse U-shaped slot faces the cable trench and is connected with the interior of the cable trench, and the end opening of the reverse U-shaped slot is connected with the exhaust component, so that the opening of the reverse U-shaped slot is in a negative pressure state, thereby removing moisture and poison from the cable trench. The gas is discharged from the opening of the reverse U-shaped groove and the exhaust assembly in turn, and due to the negative pressure in the opening of the reverse U-shaped groove and the obstruction of the bottom plate of the forward U-shaped groove, the moisture and poisonous gas in the cable trench cannot rise to the inside of the cabinet; the two-way groove plate located on the far left does not include the forward U-shaped groove; a vent is provided on the cabinet, and there is a gap at the plug-in position between every two two-way groove plates, so that the gas inside the cabinet can enter the opening of the forward U-shaped groove from the gap and be discharged by the exhaust assembly; the exhaust assembly includes an exhaust pipe and an exhaust fan, one end of the exhaust pipe is connected to the end opening of the reverse U-shaped groove and the end opening of the forward U-shaped groove, and the other end is connected to the exhaust fan.

2. The ring main unit with moisture-proof and dehumidification function according to claim 1, characterized in that: The exhaust assembly also includes a gas filter, which is arranged inside the exhaust pipe to filter the gas in the cable trench and the cabinet before exhausting it to prevent environmental pollution.

3. The ring main unit with moisture-proof and dehumidification function as claimed in claim 2, characterized in that: The partition assembly also includes a local ventilation partition arranged between the bidirectional groove plate and the cable groove, and a predetermined number of through holes are opened on the local ventilation partition, and the through holes are all opened directly below the opening of the reverse U-shaped groove, so that moisture and toxic gases in the cable groove can enter the opening of the reverse U-shaped groove through the through holes.

4. The ring main unit with moisture-proof and dehumidification function as claimed in claim 3, characterized in that: The vent is provided with a dust filter to prevent external dust from entering the cabinet.

5. The ring main unit with moisture-proof and dehumidification function as claimed in claim 4, characterized in that: The utility model also comprises a temperature detector arranged inside the cabinet and a humidity detector arranged inside the cable trench, so as to respectively detect the temperature inside the cabinet and the humidity inside the cable trench.

6. The ring main unit with moisture-proof and dehumidification function as claimed in claim 5, characterized in that: It also includes a power supply component, which includes a battery, a photovoltaic panel and a junction box arranged outside the top of the cabinet. The photovoltaic panel is electrically connected to the junction box to convert light energy into electrical energy and transmit the electrical energy to the junction box for collection. The junction box is electrically connected to the battery to transmit the collected electrical energy inside the junction box to the battery for storage. The battery is electrically connected to the exhaust fan, temperature detector and humidity detector to provide power for the exhaust fan, temperature detector and humidity detector.

Citation Information

Patent Citations

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    CN104242115A

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