CN107306016A - A kind of low-voltage distribution apparatus with high efficiency and heat radiation dust reduction capability - Google Patents

Abstract

The invention discloses a kind of low-voltage distribution apparatus with high efficiency and heat radiation dust reduction capability, including casing, chamber door, bus wire-incoming chamber, functional unit, control device, air-intake device, exhaust apparatus and detection means；Heating and dehumidification device is provided with the bus wire-incoming chamber, the air-intake device includes blower fan and air inlet, the exhaust apparatus includes drive device, ball-screw and multiple air outlets, baffle plate is provided with the air outlet, one end of the baffle plate is connected by ball screw with drive device, and the detection means includes temperature sensor one, temperature sensor two, humidity sensor one and humidity sensor two.The present invention can carry out preliminary dehumidifying to it before bus enters distribution box, and temperature and humidity detection means is provided with distribution box, it can be aerated by air-intake device and exhaust apparatus, further dehumidifying radiating, and the efficiency of ventilation can be adjusted according to the angle of baffle plate, the service life of distribution box is further extended.

Description

A low-voltage power distribution equipment with high-efficiency heat dissipation and dust-proof function

technical field

The invention relates to a low-voltage power distribution device with efficient heat dissipation and dust-proof functions, which is suitable for the field of electrical equipment.

Background technique

The distribution box is an electrical device used to reasonably distribute electric energy and facilitate the opening and closing operation of the circuit. It has a high level of safety protection and can intuitively display the conduction state of the circuit. The busbar enters the distribution box through the traction of the busway. The busway is generally exposed in the air and is easy to be damp. If the busbar directly enters the busway, it is easy to cause the components in the distribution box to be damp. During the use of the distribution box In the case of excessive humidity in the box, it is easy to cause corrosion of the internal electrical components, resulting in a short circuit of the circuit, and more seriously, it will cause fire damage to the distribution box. The safety performance is low, the cost is high, and the service life of the distribution box is shortened. . Moreover, the internal components of the distribution box tend to generate a lot of heat during the working process. If the internal temperature is too high, the internal components will not work normally, which will have a great impact on life and reduce the working efficiency of the distribution box. Although the box is provided with heat dissipation through holes, the through holes are opened for a long time and the opening angle is fixed, which not only makes it easy for external dust and pollutants to enter the box, which is very inconvenient to clean, but also has low heat dissipation and ventilation efficiency.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide a low-voltage power distribution equipment with efficient heat dissipation and dust-proof function, which can perform preliminary dehumidification on the busbar before it enters the distribution box, and the distribution box There is a temperature and humidity detection device inside, which can be ventilated through the air inlet device and the air outlet device to further remove moisture and heat dissipation, and the ventilation efficiency can be adjusted according to the angle of the baffle, further prolonging the service life of the distribution box.

The technical solution adopted by the present invention to solve the above technical problems is: a low-voltage power distribution equipment with efficient heat dissipation and dustproof functions, including a box body, a box door hinged on the front side of the box body, and a The busbar inlet chamber, and the functional unit arranged under the busbar inlet chamber, and the control device arranged on one side of the functional unit, and the air inlet device arranged under the functional unit, and the air outlet device arranged on both sides of the box , and a detection device arranged inside the box body; a heating dehumidifier is arranged in the inlet cavity of the busbar, and the air inlet device includes a fan and an air inlet, and the air inlet is arranged on the lower wall of the box body. The air inlet is provided with a filter screen, the air outlet device includes a driving device, a ball screw and a plurality of air outlets, the air outlet is provided with a baffle plate, and the two ends of the baffle plate are hinged on the side of the box body through a rotating shaft. On the side wall, one end of the baffle is connected to the driving device through a ball screw, and the detection device includes a temperature sensor one, a temperature sensor two, a humidity sensor one and a humidity sensor two, the output terminal of the temperature sensor one, the temperature The output end of the sensor two, the output end of the humidity sensor one and the output end of the humidity sensor two are respectively connected with the input end of the control device, and the output end of the control device is respectively connected with the input end of the fan, the input end of the heating dehumidifier and the drive The input terminals of the device are connected together.

Further, in order to facilitate the introduction of the busbar into the distribution box from outside the distribution box, a line inlet is provided on the upper wall of the box at the upper end of the busbar inlet cavity, and an outlet is provided at the lower end of the busbar inlet cavity. The wire outlet communicates with the inside of the box body.

Further, in order to prevent the heat from heating the dehumidifier from affecting the functional unit, the busbar inlet cavity is separated from the functional unit by a vacuum plate.

Further, in order to make it easier for the fan to pass air into the box to dehumidify and cool down the functional unit, the air inlet device is separated from the functional unit by a mesh partition.

Further, in order to facilitate the detection of the temperature and humidity of the busbar inlet cavity and the functional unit, the temperature sensor 1 and the humidity sensor 1 are arranged in the busbar inlet cavity, and the temperature sensor 2 and the humidity sensor 2 are arranged on the left side of the functional unit on the inner side wall of the box.

Further, in order to realize the power distribution function of the distribution box, the functional unit includes a bus bar, a protector assembly and a switch assembly, and the control device is arranged on the left side of the switch assembly.

Further, in order to facilitate wiring, a wiring row is arranged between the functional units.

Further, in order to use the driving device to drive the baffle to rotate, the driving device includes a motor and a reducer, the motor is connected to the ball screw through the reducer, and the inner side of one end of the baffle is connected to the ball screw. The output terminal of the control device is connected with the input terminal of the motor.

Further, in order to realize the automatic control of dehumidification and cooling in the distribution box, the control device includes a controller and a power module, the controller and the power module are electrically connected, and the controller is a single-chip microcomputer.

Further, in order to facilitate the control of the switch assembly, a switch control door is provided on the box door, and the switch control door is hinged on the box door.

After adopting the above technical scheme, the present invention has the following beneficial effects: Since the present invention is provided with a bus inlet cavity, and a heating dehumidifier is arranged in the bus inlet cavity, it can preliminarily dehumidify the bus and prevent the wooden box from carrying water vapor into the distribution box, affecting the work of internal components, avoiding damage to components, and prolonging the service life of the distribution box; due to the installation of air inlet devices, air outlet devices, and detection devices, the temperature of the functional units in the box can be detected in real time and humidity conditions, and the fan and motor are controlled by the controller. Since the motor drives the ball screw to rotate through the reducer, and one end of the baffle is connected to the ball screw, it is easy to control the angle of rotation of the baffle, thereby adjusting the angle of the air outlet. , improve the efficiency of ventilation, thereby improving the efficiency of heat dissipation and dehumidification, further reducing the damage of the distribution box, prolonging the service life, and the air outlet can be closed when heat dissipation and dehumidification are not required to prevent dust from entering the box, improving The cleanliness of the cabinet.

Description of drawings

Fig. 1 is a schematic structural view of a low-voltage power distribution device with efficient heat dissipation and dustproof functions of the present invention;

Fig. 2 is a structural diagram of an air outlet device of a low-voltage power distribution equipment with efficient heat dissipation and dustproof functions according to the present invention;

Fig. 3 is an enlarged view of part A in Fig. 2;

Fig. 4 is a structural diagram of a box door of a low-voltage power distribution device with efficient heat dissipation and dustproof functions according to the present invention;

Fig. 5 is a control schematic diagram of a low-voltage power distribution device with efficient heat dissipation and dustproof function of the present invention;

In the figure: 1. Box body, 2. Box door, 3. Busbar inlet cavity, 4. Control device, 5. Air inlet device, 6. Air outlet device, 7. Heating dehumidifier, 8. Fan, 9. Inlet Air outlet, 10. Ball screw, 11. Air outlet, 12. Baffle, 13. Shaft, 14. Temperature sensor 1, 15. Temperature sensor 2, 16. Humidity sensor 1, 17. Humidity sensor 2, 18. Inlet Port, 19. Outlet port, 20. Vacuum plate, 21. Mesh partition, 22. Bus bar, 23. Protector assembly, 24. Switch assembly, 25. Line bar, 26. Motor, 27. Reducer, 28. Switch control door.

detailed description

In order to make the content of the present invention more clearly understood, the present invention will be further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.

As shown in Figure 1-5, a low-voltage power distribution equipment with efficient heat dissipation and dust-proof functions includes a box body 1, a box door 2 hinged on the front side of the box body 1, and a door installed at the upper end of the box body 1. The busbar inlet chamber 3, and the functional unit arranged under the busbar inlet chamber 3, and the control device 4 arranged on one side of the functional unit, and the air inlet device 5 arranged under the functional unit, and arranged on both sides of the box body 1 The air outlet device 6 on the side, and the detection device arranged inside the box body 1; a heating dehumidifier 7 is arranged in the busbar inlet cavity 3, and the air inlet device 5 includes a fan 8 and an air inlet 9, and the inlet The air outlet 9 is arranged on the lower wall of the box body 1, the air inlet 9 is provided with a filter screen, the air outlet device 6 includes a driving device, a ball screw 10 and a plurality of air outlets 11, and the air outlet 11 is A baffle 12 is provided, the two ends of the baffle 12 are hinged on the side wall of the box body 1 through a rotating shaft 13, one end of the baffle 12 is connected with the drive device through a ball screw 10, and the detection device includes a temperature Sensor one 14, temperature sensor two 15, humidity sensor one 16 and humidity sensor two 17, the output end of described temperature sensor one 14, the output end of temperature sensor two 15, the output end of humidity sensor one 16 and the output end of humidity sensor two 17 The output ends are respectively connected to the input ends of the control device, and the output ends of the control device are respectively connected to the input ends of the fan 8, the input end of the heating dehumidifier 7 and the input end of the driving device.

In order to facilitate the introduction of the busbar into the distribution box from outside the distribution box, an inlet 18 is provided on the upper wall of the upper box body of the busbar inlet chamber 3, and an outlet port 19 is provided at the lower end of the busbar inlet chamber 3. The outlet 19 communicates with the inside of the box body 1 .

In order to prevent the heat from heating the dehumidifier 7 from affecting the functional units, the busbar inlet chamber 3 is separated from the functional units by a vacuum panel 20 .

In order to make it easier for the fan 8 to pass air into the box body 1 to dehumidify and cool down the functional unit, the air inlet device 5 is separated from the functional unit by a mesh partition 21 .

In order to detect the temperature and humidity situation of busbar inlet cavity 3 and functional unit, described temperature sensor one 14 and humidity sensor one 16 are arranged in busbar inlet cavity 3, and described temperature sensor two 15 and humidity sensor two 16 are arranged on On the inner side wall of the box body 1 on the left side of the functional unit.

In order to realize the power distribution function of the distribution box, the functional unit includes a bus bar 22 , a protector assembly 23 and a switch assembly 24 , and the control device is arranged on the left side of the switch assembly 24 .

In order to facilitate wiring, a wiring row 25 is arranged between the functional units.

In order to utilize the drive device to drive the baffle plate 12 to rotate, the drive device includes a motor 26 and a reducer 27, the motor 26 is connected to the ball screw 10 through the reducer 27, and the inner side of one end of the baffle plate 12 is connected to the ball screw. On the bar 10, the output end of the control device is connected with the input end of the motor 26.

In order to realize the automatic control of dehumidification and cooling in the distribution box, the control device includes a controller and a power module, the controller and the power module are electrically connected, and the controller is a single-chip microcomputer.

In order to facilitate the control of the switch assembly, the box door 2 is provided with a switch control door 28 , and the switch control door 28 is hinged on the box door 2 .

During the working process of the distribution box, the humidity sensor 16 first detects the humidity in the busbar inlet cavity 3, and converts the signal into an electrical signal and transmits it to the controller. When the humidity is high, the controller will control the heating and dehumidification The device 7 works to heat and dehumidify, and the temperature sensor-14 detects the temperature change in the bus inlet cavity 3 to ensure that the heating temperature is within the range of not damaging the bus. Temperature sensor two 15 and humidity sensor two 17 can detect the temperature and humidity of the box body 1 where the functional unit is located in real time, and convert the signal into an electrical signal and transmit it to the controller. When the temperature is high or the humidity is high, the controller will It will control the fan 8 and the motor 26 to work. The fan 8 will suck the wind from the air inlet 9, dissipate the heat and dehumidify the box 1, and discharge it through the air outlet 11. The controller controls the temperature and humidity in the box 1. The angle at which the motor 26 rotates controls the opening angle of the baffle plate 12 to improve the efficiency of heat dissipation and dehumidification. The tuyere 11 is closed to prevent dust from entering the box body 1, which is convenient and simple to use.

Compared with the prior art, the present invention is equipped with a bus inlet cavity, and a heating dehumidifier is installed in the bus inlet cavity, which can preliminarily dehumidify the bus and prevent the wooden box from bringing water vapor into the distribution box and affecting the interior. The work of the components avoids damage to the components and prolongs the service life of the distribution box; due to the installation of the air inlet device, the air outlet device, and the detection device, the temperature and humidity of the functional units in the box can be detected in real time, and through the controller To control the work of the fan and the motor, since the motor drives the ball screw to rotate through the reducer, and one end of the baffle is connected to the ball screw, it is easy to control the rotation angle of the baffle, thereby adjusting the angle of the air outlet, improving the ventilation efficiency, and improving The efficiency of heat dissipation and dehumidification further reduces the damage of the distribution box and prolongs the service life, and the air outlet can be closed when heat dissipation and dehumidification are not required to prevent dust from entering the box and improve the cleanliness of the box.

The specific embodiments described above have further described the technical problems, technical solutions and beneficial effects solved by the present invention in detail. It should be understood that the above descriptions are only specific embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. a kind of low-voltage distribution apparatus with high efficiency and heat radiation dust reduction capability, it is characterised in that：Including casing, And the chamber door of side before casing is hinged on, and the bus wire-incoming chamber of box house upper end is arranged on, and set Functional unit below bus wire-incoming chamber, and the control device of functional unit side is arranged on, and be arranged on Air-intake device below functional unit, and the exhaust apparatus of casing both sides is arranged on, and it is arranged on box inside Detection means；Be provided with heating and dehumidification device in the bus wire-incoming chamber, the air-intake device include blower fan and Air inlet, the air inlet is arranged on the lower wall of casing, and screen pack is provided with the air inlet, described Exhaust apparatus includes being provided with baffle plate on drive device, ball-screw and multiple air outlets, the air outlet, The two ends of the baffle plate are hinged on the side wall of casing by rotating shaft, and one end of the baffle plate passes through ball screw It is connected with drive device, the detection means includes temperature sensor one, temperature sensor two, humidity sensor Device one and humidity sensor two, the output end of the temperature sensor one, the output end of temperature sensor two, The input phase of the output end of humidity sensor one and the output end of humidity sensor two respectively with control device Even, input, the input of heating and dehumidification device and the driving of the output end of the control device respectively with blower fan The input of device is connected.

2. a kind of low-voltage distribution apparatus with high efficiency and heat radiation dust reduction capability according to claim 1, its It is characterised by：Incoming line, the bus wire-incoming chamber are provided with the upper end casing upper wall of the bus wire-incoming chamber Lower end be provided with line outlet, the line outlet is communicated with box house.

3. a kind of low-voltage distribution apparatus with high efficiency and heat radiation dust reduction capability according to claim 1, its It is characterised by：Separated between the bus wire-incoming chamber and functional unit by evacuated panel.

4. a kind of low-voltage distribution apparatus with high efficiency and heat radiation dust reduction capability according to claim 1, its It is characterised by：The air-intake device is separated by net-like spacer with functional unit.

5. a kind of low-voltage distribution apparatus with high efficiency and heat radiation dust reduction capability according to claim 1, its It is characterised by：The temperature sensor one and humidity sensor one are arranged in bus wire-incoming chamber, the temperature Sensor two and humidity sensor two are arranged on the box house side wall on the left of functional unit.

6. a kind of low-voltage distribution apparatus with high efficiency and heat radiation dust reduction capability according to claim 1, its It is characterised by：The functional unit includes bus bar, protector assembly and switch module, the control device It is arranged on the left side of switch module.

7. a kind of low-voltage distribution apparatus with high efficiency and heat radiation dust reduction capability according to claim 1, its It is characterised by：It is provided between the functional unit and puts line row.

8. a kind of low-voltage distribution apparatus with high efficiency and heat radiation dust reduction capability according to claim 1, its It is characterised by：The drive device includes motor and decelerator, and the motor passes through decelerator and ball-screw It is connected, is connected on the inside of one end of the baffle plate on ball-screw, the output end and motor of the control device Input be connected.

9. a kind of low-voltage distribution apparatus with high efficiency and heat radiation dust reduction capability according to claim 1, its It is characterised by：The control device includes controller and power module, and the controller and power module are electrically connected Connect, the controller is single-chip microcomputer.

10. a kind of low-voltage distribution apparatus with high efficiency and heat radiation dust reduction capability according to claim 1, It is characterized in that：Switch control door is provided with the chamber door, the switch control door hinge is connected on chamber door.