CN218334842U

CN218334842U - Outdoor looped netowrk cabinet with ventilation dehumidification function

Info

Publication number: CN218334842U
Application number: CN202222597051.XU
Authority: CN
Inventors: 沙玉楠; 于佳妮; 袁茜
Original assignee: Shubang Electric Power Technology Co ltd
Current assignee: Shubang Electric Power Technology Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-01-17
Anticipated expiration: 2032-09-28

Abstract

The utility model relates to an outdoor looped netowrk cabinet with ventilation dehumidification function, including the cabinet body and setting up the looped netowrk cabinet main part in the cabinet body, the looped netowrk cabinet main part is used for the looped netowrk power supply; a first temperature sensor is arranged in the cabinet body, a ventilation panel is arranged on one side of the cabinet body, an exhaust fan is arranged on the cabinet body, and the first temperature sensor is electrically connected with the exhaust fan; the ring main unit comprises a cable chamber, a second temperature sensor is arranged at a cable joint of the cable chamber, and the second temperature sensor is also electrically connected with the exhaust fan; the utility model discloses a temperature of independent measurement cable joint can carry out the temperature measurement to cable joint under the state that does not have a power failure and patrol and examine, in addition, through setting up the observation window, can carry out normal cable head and annex detection and temperature measurement work under the condition that the cable chamber cabinet door can't be opened owing to the shutting.

Description

Outdoor looped netowrk cabinet with ventilation dehumidification function

Technical Field

The utility model relates to a technical field of looped netowrk cabinet, concretely relates to outdoor looped netowrk cabinet with ventilation and dehumidification function.

Background

The ring main unit is an electrical device with a group of high-voltage switch devices arranged in a steel plate main unit or made into an assembled interval ring main unit, and the core part of the ring main unit adopts electrical elements such as a load switch, a fuse and the like, so that the ring main unit has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like. In order to effectively improve the reliability of a 10kV power supply and distribution network, a power supply system gradually develops power supply to a ring network, namely, the power supply is supplied by a cable, runs underground and is in a loop, and the replacement of the original overhead line power supply has become a necessary trend of urban power grid development. Along with the continuous promotion of city smart power grids construction, the construction promotes distribution network equipment automation level, promotes the electric wire netting management and control ability comprehensively, and it is extremely important to construct intelligent looped netowrk cabinet. Especially, the outdoor ring main unit is widely applied, so that the outdoor ring main unit becomes an important component in the whole power distribution network construction process. The system is widely used in load center distribution substations and box-type substations of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like.

The cabinet door of the existing ring main unit compartment is closed, a mechanical locking function is arranged between a load switch and an earthing switch, a cabinet door panel is mechanically interlocked with the earthing switch, the cabinet door panel can be opened after the earthing switch is powered off and closed, therefore, the temperature measurement and inspection can not be carried out on a cable connector completely in daily uninterrupted inspection work, the cable connector position of the ring main unit is in a non-inspection operation and maintenance state for a long time, the cable connector is a high fault occurrence point of the ring main unit, and the fault is usually caused by heating of the cable connector position.

SUMMERY OF THE UTILITY MODEL

Based on the above expression, the utility model provides an outdoor looped netowrk cabinet with ventilation dehumidification function, through the temperature of independent measuring cable joint, can carry out the temperature measurement to cable joint under the state of not having a power failure and patrol and examine.

The utility model provides an above-mentioned technical problem's technical scheme as follows: an outdoor ring main unit with a ventilation and dehumidification function comprises a main unit body and a ring main unit main body arranged in the main unit body, wherein the ring main unit main body is used for ring network power supply; a first temperature sensor is arranged in the cabinet body, a ventilation panel is arranged on one side of the cabinet body, an exhaust fan is arranged on the cabinet body, and the first temperature sensor is electrically connected with the exhaust fan;

the looped netowrk cabinet main part includes the cable chamber, the cable joint department of cable chamber is provided with second temperature sensor, second temperature sensor also with the air exhauster electricity is connected.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, a humidity sensor and a dehumidifier are arranged in the cabinet body, and the humidity sensor and the dehumidifier are electrically connected.

Furthermore, a temperature and humidity monitoring terminal and a controller are arranged in the cabinet body, the first temperature sensor and the humidity sensor are electrically connected with the input end of the temperature and humidity monitoring terminal, and the output end of the temperature and humidity monitoring terminal is electrically connected with the input end of the controller; the second temperature sensor is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the exhaust fan and the dehumidifier.

Furthermore, be provided with touch-sensitive screen and electric operating box on the outer wall of the cabinet body, the touch-sensitive screen with the electric operating box all with the controller electricity is connected.

Further, be provided with the block terminal on the inner wall of cabinet body one side, humiture monitor terminal sets up in the block terminal.

Further, a wireless communication device is arranged in the cabinet body, and the wireless communication device is electrically connected with the controller.

Further, the ventilation panel includes the ventilation window, be provided with a plurality of ventilation holes on the ventilation window, and ventilation hole department is provided with first dust screen and second dust screen.

Furthermore, an observation window is arranged on the cable chamber cabinet door.

Further, the top of the cabinet body is provided with a solar cell panel, the cabinet body is internally provided with an energy storage battery, and the solar cell panel is electrically connected with the energy storage battery.

Furthermore, the cabinet body is provided with a drain pipe, the top of the drain pipe is communicated with the top of the cabinet body, and the bottom of the drain pipe is communicated with the bottom of the cabinet body.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

1. the utility model can measure the temperature of the cable joint independently, can measure the temperature of the cable joint without power failure, and can detect and inspect the temperature of the cable joint normally under the condition that the cabinet door of the cable chamber can not be opened due to locking by arranging the observation window;

2. through set up temperature and humidity sensor, air exhauster and dehumidifier in the cabinet, when monitoring temperature or humidity in the looped netowrk cabinet and surpass standard, automatic start air exhauster or dehumidifier reach the purpose of ventilation cooling and dehumidification, can effectively solve the condensation phenomenon in the outdoor looped netowrk cabinet.

Drawings

Fig. 1 is a schematic structural view of an outdoor ring main unit with ventilation and dehumidification functions provided by an embodiment of the present invention;

fig. 2 is a schematic structural view of an observation window in an embodiment of the present invention;

fig. 3 is a schematic structural view of a ventilation panel according to an embodiment of the present invention;

fig. 4 is a schematic system diagram of an automatic temperature and humidity control module according to an embodiment of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a cabinet body; 11. a first cabinet door; 12. a second cabinet door; 13. a drain pipe; 14. an observation window; 141. a viewing port; 142. a rubber gasket; 15. a ventilation panel; 151. a ventilation window; 152. a first dust screen; 153. a second dust screen; 2. a ring main unit main body; 3. a distribution box; 41. a first temperature sensor; 42. a humidity sensor; 43. a temperature and humidity monitoring terminal; 44. a controller; 45. an exhaust fan; 46. a dehumidifier; 5. a cable joint; 6. a second temperature sensor; 71. an electric operation box; 72. a wireless communication device; 73. a touch screen; 81. a solar panel; 82. an energy storage battery.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," or "having," and the like, specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

The utility model provides an outdoor looped netowrk cabinet with ventilation dehumidification function, includes the cabinet body 1, and the front side of the cabinet body 1 is provided with first cabinet door 11 and the second cabinet door 12 that can overturn to both sides and pull open, and backplate one side border of the cabinet body 1 is provided with vertical drain pipe 13, and the top of drain pipe 13 communicates the top of the cabinet body 1, and the bottom communicates the bottom of the cabinet body 1 for the emission of 1 top rainwater of the cabinet body.

The cabinet body 1 is internally provided with a ring main unit body 2 and a distribution box 3. The ring main unit 2 comprises a switch chamber, a fuse chamber, an operating mechanism chamber and a cable chamber, and is used for ring power supply. The block terminal 3 is fixed on the left inner wall of the cabinet body 1 for low-voltage electric equipment in the ring main unit is distributed and controlled, and overload, short circuit and electric leakage are generated in a distribution circuit, so that power-off protection is provided.

An observation window 14 made of a PC board is arranged on the cable chamber cabinet door, and an observation port 141 is arranged on the observation window 14. The inboard of cable chamber cabinet door is provided with the spot welding nut, and the screw fixation is passed through on the spot welding nut in the four corners of observation window 14, realizes fixing observation window 14 on the cable chamber cabinet door. A rubber gasket 142 is arranged between the observation window 14 and the first cabinet door 11, so that normal cable head and accessory detection and temperature measurement can be carried out under the condition that the cabinet door of the cable chamber cannot be opened due to locking.

The cabinet body 1 is also internally provided with an automatic temperature and humidity control module, and the automatic temperature and humidity control module comprises a first temperature sensor 41, a humidity sensor 42, a temperature and humidity monitoring terminal 43, a controller 44, an exhaust fan 45 and a dehumidifier 46.

Wherein, humiture monitor terminal 43 and controller 44 are installed in the block terminal 3 of cabinet body 1 left side inner wall, and the left side bottom of the cabinet body 1 still is provided with ventilation panel 15, is provided with a plurality of ventilation windows 151 on ventilation panel 15. The four corners of the ventilation panel 15 are fixed at the left opening of the cabinet 1 by bolts, a first dust screen 152 and a second dust screen 153 are padded between the ventilation panel 15 and the left side wall of the cabinet 1, and the ventilation panel 15 compresses the peripheral edges of the first dust screen 152 and the second dust screen 153, so that the first dust screen 152 and the second dust screen 153 cover the ventilation window 151.

The exhaust fan 45 is arranged at the top of the right side of the cabinet body 1, the humidity sensor 42 and the dehumidifier 46 are arranged at the bottom of the right side of the cabinet body 1, and the first temperature sensor 41 is arranged at the top of each cable chamber. The first temperature sensor 41 and the humidity sensor 42 are respectively electrically connected with an input end of a temperature and humidity monitoring terminal 43, an output end of the temperature and humidity monitoring terminal 43 is electrically connected with an input end of a controller 44, and an output end of the controller 44 is respectively electrically connected with an exhaust fan 45 and a dehumidifier 46.

First temperature sensor 41 is used for measuring the temperature in the cabinet body 1, and humidity transducer 42 is used for measuring the humidity in the cabinet body 1, and first temperature sensor 41 and humidity transducer 42 link to each other with humiture monitor terminal 43, and humiture monitor terminal 43 is used for receiving the temperature and the humidity signal from first temperature sensor 41 and humidity transducer 42 to give controller 44 on the temperature and the humidity signal of receiving. After the controller 44 is processed and compared, if the temperature exceeds a certain value, a control command is sent to the exhaust fan 45, the exhaust fan 45 is started to operate, and the exhaust fan 45 and the ventilation window 15 form an air channel, so that air in the cabinet body 1 can form convection, and ventilation and heat dissipation are enhanced; if the humidity exceeds a certain value, a control command is sent to the dehumidifier 46, and the dehumidifier 46 starts to operate to remove moisture in the cabinet and prevent condensation.

A second temperature sensor 6 is arranged at the cable joint 5 in the cable chamber, the second temperature sensor 6 is connected with the controller 44, and the measured temperature at the position of the cable joint 5 can be sent to the controller 44. The controller 44 is further connected to the ring main unit 2, and the running status signal of the ring main unit 2 can be sent to the controller 44. Through the temperature of independent measurement cable joint 5, can carry out the temperature measurement to cable joint 5 under the state of not having a power failure and patrol and examine.

The second cabinet door 12 is further provided with an electric operation box 71, and the first cabinet door 11 is provided with a wireless communication device 72 and a touch screen 73. The electric operation box 71 is connected with the ring main unit 2, and is also electrically connected with the controller 44 and the touch screen 73, the touch screen 73 is electrically connected with the controller 44, the temperature and humidity in the main unit 1, the temperature of the cable joint 5, the operating states of the exhaust fan 45 and the dehumidifier 46 and the operating state of the ring main unit 2 can be monitored through the touch screen 73, and the control of the exhaust fan 45, the dehumidifier 46 and the electric operation box 71 can be realized through the touch screen 73.

The wireless communication device 72 is connected to the controller 44, and the temperature and humidity in the cabinet 1, the temperature at the position of the cable joint 5, the operating states of the exhaust fan 45 and the dehumidifier 46, and the operating state information of the ring main unit 2 can be uploaded to the monitoring center through the wireless communication device.

In addition, a solar cell panel 81 is arranged at the top of the cabinet body 1, and an energy storage battery 82 is arranged at the bottom in the cabinet body 1. Solar cell panel 81 passes through surge protector and is connected with ground to be connected with controller 44 through direct current breaker, energy storage battery 82 is connected with controller 44, constitutes low pressure power supply system jointly, through this scheme, can realize energy optimization cooperation between energy supply, energy storage, air exhauster and the dehumidifier in the looped netowrk cabinet.

This embodiment can carry out the temperature measurement to cable joint 5 through the temperature of independent measurement cable joint 5 under the state of not having a power failure and patrol and examine, in addition, through setting up observation window 14, can carry out normal cable joint 5 and annex detection and temperature measurement work under the unable condition of opening of cable chamber cabinet door because the shutting. Through set up temperature and humidity sensor 43, air exhauster 45 and dehumidifier 46 in the cabinet body 1, when the monitoring will carry 1 interior temperature or humidity to exceed standard, automatic start air exhauster 45 or dehumidifier 46 reach the purpose of ventilation cooling and dehumidification, can effectively solve the condensation phenomenon in the outdoor looped netowrk cabinet.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An outdoor ring main unit with ventilation and dehumidification functions is characterized by comprising a main unit body and a ring main unit main body arranged in the main unit body, wherein the ring main unit is used for ring network power supply; a first temperature sensor is arranged in the cabinet body, a ventilation panel is arranged on one side of the cabinet body, an exhaust fan is arranged on the cabinet body, and the first temperature sensor is electrically connected with the exhaust fan;

2. The outdoor ring main unit with the functions of ventilation and dehumidification of claim 1, wherein a humidity sensor and a dehumidifier are arranged in the main unit body, and the humidity sensor is electrically connected with the dehumidifier.

3. The outdoor ring main unit with the functions of ventilation and dehumidification according to claim 2, wherein a temperature and humidity monitoring terminal and a controller are arranged in the main unit body, the first temperature sensor and the humidity sensor are electrically connected with an input end of the temperature and humidity monitoring terminal, and an output end of the temperature and humidity monitoring terminal is electrically connected with an input end of the controller; the second temperature sensor is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the exhaust fan and the dehumidifier.

4. The outdoor ring main unit with the functions of ventilation and dehumidification according to claim 3, wherein a touch screen and an electric operating box are arranged on the outer wall of the main unit body, and both the touch screen and the electric operating box are electrically connected with the controller.

5. The outdoor ring main unit with the functions of ventilation and dehumidification of claim 3, wherein a distribution box is arranged on an inner wall of one side of the main unit body, and the temperature and humidity monitoring terminal is arranged in the distribution box.

6. The outdoor ring main unit with the functions of ventilation and dehumidification as claimed in claim 3, wherein a wireless communication device is disposed in the main unit, and the wireless communication device is electrically connected to the controller.

7. The outdoor ring main unit with the functions of ventilation and dehumidification as claimed in claim 1, wherein said ventilation panel comprises a ventilation window, said ventilation window is provided with a plurality of ventilation holes, and said ventilation holes are provided with a first dust screen and a second dust screen.

8. The outdoor ring main unit with the functions of ventilation and dehumidification as recited in claim 1, wherein said cable chamber door is provided with an observation window.

9. The outdoor ring main unit with the functions of ventilation and dehumidification as claimed in claim 1, wherein a solar panel is disposed on a top of the main body, an energy storage battery is disposed in the main body, and the solar panel is electrically connected to the energy storage battery.

10. The outdoor ring main unit with the functions of ventilation and dehumidification according to claim 1, wherein the cabinet body is provided with a drain pipe, the top of the drain pipe is communicated with the top of the cabinet body, and the bottom of the drain pipe is communicated with the bottom of the cabinet body.