CN211017975U

CN211017975U - High-efficient heat-dissipation power distribution cabinet

Info

Publication number: CN211017975U
Application number: CN201922471061.7U
Authority: CN
Inventors: 陈贵娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-14
Anticipated expiration: 2029-12-31

Abstract

The utility model provides a high-efficient heat-dissipation power distribution cabinet, the intelligent cabinet temperature adjusting device comprises a cabinet body, a cabinet door, radiator unit, the cabinet door is articulated with the cabinet body, radiator unit includes electronic heat dissipation shutter, radiator fan, fan slip table, a weighing sensor and a temperature sensor, a controller, electronic heat dissipation shutter sets up on cabinet side wall, fan slip table sets up at the internal portion of cabinet, the radiator fan activity sets up on fan slip table and slides along fan slip table under fan slip table's drive, temperature sensor is provided with multiunit and detachable and sets up on electronic components or the different positions on electronic components mounting bracket. The real-time temperature of electronic components at different positions in the cabinet body is monitored through the temperature sensor, and the controller controls the fan sliding table to drive the radiating fan to assist in cooling the electronic components exceeding the single-point temperature limit position according to monitoring data of the temperature sensor. The utility model provides an energy-saving high-efficient heat dissipation switch board has the temperature monitoring accuracy height, the heat dissipation rapidly, the advantage that whole energy consumption is low.

Description

High-efficient heat-dissipation power distribution cabinet

Technical Field

The utility model belongs to the power equipment field especially relates to a high-efficient heat dissipation switch board.

Background

The distribution cabinet is a final-stage device of a distribution system. The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load.

Having installed a large amount of connectors and various electronic components in current switch board, a large amount of connectors, various electronic components and a large amount of wires can make the total resistance value of switch board increase, especially can give out a large amount of heats at high load or overload operation in-process in the operation, and a large amount of heats are gathered and can be leaded to electronic components to receive high temperature to damage and cause explosion or conflagration in the narrow and small space of switch board, threatens peripheral resident and building. Therefore, in the prior art, the exhaust fan is additionally arranged at the heat dissipation window and the temperature sensor is attached to the electronic component, when the temperature sensor monitors that the temperature in the cabinet body exceeds a set value, the exhaust fan is started, the circulation speed of air inside and outside the cabinet body is increased, and therefore accumulated heat is dissipated to the outside of the cabinet body and the electronic component in the cabinet body is protected. On the other hand, due to the fact that errors exist in monitoring of the single group of temperature sensors, when the temperature of the local electronic components is too high, the exhaust fan cannot be started because the temperature in the cabinet body does not exceed a set value, and the local electronic components are prone to damage or the service life of the local electronic components is shortened; or only the temperature of local electronic components is too high, and the exhaust fan is started for a long time after the single group of temperature sensors are triggered, so that energy consumption waste is caused.

SUMMERY OF THE UTILITY MODEL

Based on prior art there is the problem, the utility model provides a high-efficient heat-dissipation power distribution cabinet, including the cabinet body, cabinet door, radiator unit, the cabinet door is articulated with the cabinet body, radiator unit includes electronic heat dissipation shutter, radiator fan, fan slip table, temperature sensor, controller, electronic heat dissipation shutter sets up on cabinet side wall, the fan slip table sets up at the internal portion of cabinet, the radiator fan activity sets up and carries out supplementary heat dissipation and slide along the fan slip table under fan slip table's drive to electronic components through air flow with higher speed on the fan slip table, temperature sensor is provided with on multiunit and detachable set up the different positions on electronic components or electronic components mounting bracket, the controller respectively with electronic heat dissipation shutter, radiator fan, fan slip table, temperature sensor electric connection. The real-time temperature of electronic components at different positions in the cabinet body is monitored through the temperature sensor, the controller controls the fan sliding table to drive the radiating fan to assist in cooling the electronic components exceeding the single-point temperature limit position according to monitoring data of the temperature sensor, and the opening and closing amount of the electric radiating shutter can be adjusted as required to control the temperature in the cabinet body of the power distribution cabinet. The utility model provides a pair of high-efficient heat-dissipation power distribution cabinet has reducible raise dust and gets into the internal portion of cabinet, temperature monitoring accuracy height, the heat dissipation rapidly, the advantage that whole energy consumption is low.

The utility model discloses a following detailed technical scheme reaches the purpose:

a high-efficiency heat-dissipation power distribution cabinet comprises a cabinet body, a cabinet door and a heat dissipation assembly, wherein the cabinet door is hinged with the cabinet body, the heat dissipation assembly comprises an electric heat-dissipation shutter, a heat dissipation fan, a fan sliding table, a temperature sensor and a controller, the electric heat-dissipation shutter is arranged on the side wall of the cabinet body, the fan sliding table is arranged inside the cabinet body, the heat dissipation fan is movably arranged on a sliding platform of the fan sliding table, assists in heat dissipation of electronic components through accelerating air flow and slides along the fan sliding table under the driving of the fan sliding table, multiple groups of heat dissipation fans and fan sliding tables can be arranged according to the volume of the power distribution cabinet, the fan sliding table can be preferably vertically arranged close to the two sides of the cabinet body of the power distribution cabinet as required, the temperature sensor is provided with multiple groups, before the power distribution cabinet is put into use, high load test or overload test is carried out, electronic components which are easy to accumulate heat in the cabinet body are determined, temperature sensors are respectively distributed at corresponding heat accumulation points, temperature monitoring is carried out on the electronic components at a single-point position, and the controller is respectively electrically connected with the electric heat dissipation shutter, the heat dissipation fan, the fan sliding table and the temperature sensors;

the single-point temperature limit value and the average temperature limit value are set in the controller, the temperature monitoring numerical values of the temperature sensors are compared in real time, when the monitoring temperature numerical value of the electronic component at a certain position exceeds the set single-point temperature limit value, the controller controls the fan sliding table to drive the radiating fan to slide to the corresponding position, auxiliary radiating is carried out on the electronic component of which the temperature monitoring numerical value exceeds the set single-point temperature limit value, and when the temperature monitoring numerical values of the electronic components exceed the set single-point temperature limit value, auxiliary radiating is preferentially carried out on the electronic component of which the exceeding value is the maximum; when the average value of the temperature monitoring values of all the temperature sensors exceeds the average temperature limit value, the controller controls the electric heat-dissipation louver to increase the opening degree, the average temperature limit values can be set to be multiple and respectively correspond to different opening degrees of the electric heat-dissipation louver, the higher the average value of the temperature monitoring values of all the temperature sensors is, the larger the opening degree of the electric heat-dissipation louver is, so that the heat dissipation is accelerated, the opening degree of the electric heat-dissipation louver in the low-load operation process of the power distribution cabinet can be reduced through hierarchical control, and the probability of dust entering the cabinet body is further reduced;

compared with the arrangement of a single group of temperature sensors, the temperature monitoring accuracy is higher by arranging the multiple groups of temperature sensors, and the auxiliary heat dissipation can be effectively reduced by driving the heat dissipation fan through the fan sliding table in a targeted manner.

The cooling fan is an adjustable-speed fan, and the electronic components can be effectively and rapidly cooled by adjusting the rotating speed of the cooling fan; meanwhile, when the temperature monitoring value of the single-point electronic component far exceeds the set single-point temperature limit value or the temperature monitoring values of the plurality of electronic components exceed the set single-point temperature limit value, the rotating speed of the cooling fan is increased to accelerate the cooling of the electronic components; when the temperature monitoring value of the single-point electronic component slightly exceeds the set single-point temperature limit value, the cooling fan can perform auxiliary cooling at a low rotating speed, the overall energy consumption of the cooling assembly is further reduced, and different rotating speeds of the cooling fan can be set for different temperature monitoring values or the number of the temperature sensors exceeding the single-point temperature limit value.

The fan sliding table is provided with a movable drag chain, the driving cable and the control cable of the cooling fan are arranged in the movable drag chain, and the driving cable and the control cable of the cooling fan are arranged in the movable drag chain, so that the situation that the driving cable and the control cable of the cooling fan are damaged in the sliding process of the sliding platform of the fan sliding table to cause safety accidents is avoided.

Wherein, a high-efficient heat dissipation switch board still includes exhaust window, exhaust fan, the exhaust window sets up on cabinet side wall and is located the position of keeping away from electronic heat dissipation shutter, the exhaust fan sets up and is used for the internal air discharge cabinet of cabinet at the exhaust window inboard externally, avoids high-temperature air at cabinet internal cohesion, the internal and external air convection of the acceleration cabinet, improves the radiating rate, exhaust fan and controller electric connection when the single-point electronic components temperature monitoring numerical value that appears far surpasss the single-point temperature limit value of settlement or when a plurality of electronic components temperature monitoring numerical value surpass the single-point temperature limit value of settlement, controller control exhaust fan opens to accessible temperature sensor's monitoring numerical value sets for different rotational speeds to the exhaust fan.

The efficient heat dissipation power distribution cabinet further comprises a flow guide partition plate, the flow guide partition plate divides the interior of the cabinet body into a hot cavity and at least one cold cavity, the heat dissipation fan, the fan sliding table, the temperature sensor, the exhaust window, the exhaust fan and the electronic component are all arranged in the hot cavity, the electric heat dissipation shutter is arranged in the cold cavity, a conducting hole is formed in one end, far away from the exhaust window, of the flow guide partition plate, and the conducting hole is respectively communicated with the hot cavity and the cold cavity;

the air outside the cabinet body is always enabled to enter the hot cavity from the side far away from the exhaust window through the flow guide partition plate and the conducting hole, and the air inside the hot cavity is exhausted out of the cabinet body from the exhaust window, so that the electronic components in the hot cavity can be effectively cooled.

Wherein, electronic heat dissipation shutter, the window inboard of airing exhaust all are provided with dustproof filter screen and prevent that the raise dust from getting into inside the switch board, the external side of cabinet is provided with the raindrop sensor, the preferred piezoelectric type raindrop sensor that uses of raindrop sensor, raindrop sensor and controller electric connection monitor whether raining and rainfall size through the raindrop sensor, and when raining, the controller prevents that the raindrop from splashing and gets into the internal portion of cabinet and damage inside electronic components according to the aperture of rainfall size control electronic heat dissipation shutter.

The utility model adopts the above technical scheme have reducible raise dust get into cabinet internal portion, temperature monitoring accuracy height, the heat dissipation rapidly, the advantage that whole energy consumption is low.

Drawings

Fig. 1 is a schematic view of a partial cross-sectional structure according to an embodiment of the present invention.

10. The intelligent rain-drop control cabinet comprises a cabinet body, 21, an electric heat dissipation shutter, 22, a heat dissipation fan, 23, a fan sliding table, 24, a sliding platform, 25, a movable drag chain, 31, an exhaust window, 32, an exhaust fan, 41, a flow guide partition plate, 42, a hot cavity, 43, a cold cavity, 44, a conducting hole, 51, a dustproof filter screen, 52 and a rain drop sensor.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in the attached drawings, a high-efficiency heat-dissipation power distribution cabinet comprises a cabinet body 10, a cabinet door and a heat dissipation assembly, wherein the cabinet door is hinged with the cabinet body 10, the heat dissipation assembly comprises an electric heat-dissipation shutter 21, a heat-dissipation fan 22, a fan sliding table 23, a temperature sensor and a controller, the electric heat-dissipation shutter 21 is arranged on the side wall of the cabinet body 10, the fan sliding table 23 is arranged inside the cabinet body 10, the fan sliding table 23 can drive a sliding platform 24 through screw transmission or belt transmission, the heat-dissipation fan 22 is movably arranged on the sliding platform 24 of the fan sliding table 23 and can perform auxiliary heat dissipation on electronic components through accelerated air flow and slide along the fan sliding table 23 under the driving of the fan sliding table 23, according to the volume size of the power distribution cabinet, multiple groups of the heat-dissipation fan 22 and the fan sliding table 23 can be arranged, the air outlet of the cooling fan 22 faces the electronic component, the temperature sensors are provided with a plurality of groups and are detachably arranged at different positions on the electronic component or the electronic component mounting rack, high load test or overload test is carried out before the power distribution cabinet is put into use, the electronic component or the position of the cabinet body 10, which is easy to accumulate heat, is determined, the temperature sensors are respectively arranged at corresponding heat accumulation points, the temperature of the electronic component at a single-point position is monitored, and the controller is respectively electrically connected with the electric cooling shutter 21, the cooling fan 22, the fan sliding table 23 and the temperature sensors;

the single-point temperature limit value and the average temperature limit value are set in the controller, the temperature monitoring numerical values of the temperature sensors are compared in real time, when the monitoring temperature numerical value of the electronic component at a certain position exceeds the set single-point temperature limit value, the controller controls the fan sliding table 23 to drive the radiating fan 22 to slide to the corresponding position, auxiliary radiating is carried out on the electronic component of which the temperature monitoring numerical value exceeds the set single-point temperature limit value, and when the temperature monitoring numerical values of the electronic components exceed the set single-point temperature limit value, auxiliary radiating is preferentially carried out on the electronic component of which the temperature monitoring numerical value is the maximum; when the average value of the temperature monitoring values of all the temperature sensors exceeds the average temperature limit value, the controller controls the electric heat-dissipation louver 21 to increase the opening degree, the average temperature limit values can be set to be multiple and respectively correspond to different opening degrees of the electric heat-dissipation louver 21, the higher the average value of the temperature monitoring values of all the temperature sensors is, the larger the opening degree of the electric heat-dissipation louver 21 is, so that the heat dissipation is accelerated, the opening degree of the electric heat-dissipation louver 21 in the low-load operation process of the power distribution cabinet can be reduced through hierarchical control, and the probability that raised dust enters the cabinet body 10 is reduced;

compared with the arrangement of a single group of temperature sensors, the temperature monitoring accuracy is higher by arranging the multiple groups of temperature sensors, and the auxiliary heat dissipation can be effectively reduced by driving the heat dissipation fan 22 to pertinently perform auxiliary heat dissipation through the fan sliding table 23.

Preferably, the cooling fan 22 is a speed-adjustable fan, and the electronic component can be effectively and rapidly cooled by adjusting the rotating speed of the cooling fan 22; meanwhile, when the temperature monitoring value of the single-point electronic component far exceeds the set single-point temperature limit value or the temperature monitoring values of the multiple electronic components exceed the set single-point temperature limit value, the rotating speed of the cooling fan 22 is increased to accelerate the cooling of the electronic components; when the single-point electronic component temperature monitoring value slightly exceeds the set single-point temperature limit value, the cooling fan 22 can perform auxiliary cooling at a low rotating speed, so that the overall energy consumption of the cooling assembly is further reduced, i.e., different rotating speeds of the cooling fan 22 can be set for different temperature monitoring values or the number of temperature sensors exceeding the single-point temperature limit value.

Preferably, a movable drag chain 25 is arranged on the fan sliding table 23, the driving cable and the control cable of the heat dissipation fan 22 are arranged in the movable drag chain 25, and the driving cable and the control cable of the heat dissipation fan 22 are arranged in the movable drag chain 25, so that the sliding platform 24 of the fan sliding table 23 is prevented from damaging the driving cable and the control cable of the heat dissipation fan 22 during the sliding process to cause safety accidents.

As preferred, a high-efficient heat dissipation switch board still includes exhaust window 31, exhaust fan 32, exhaust window 31 sets up on the lateral wall of the cabinet body 10 and is located the position of keeping away from electronic heat dissipation shutter 21, exhaust fan 32 sets up outside the air exhaust cabinet body 10 that is used for the internal cabinet 10 of cabinet at exhaust window 31 inboard, avoids the high-temperature air at the internal gathering of cabinet 10, accelerates the internal and external air convection of the cabinet 10, improves the radiating rate, exhaust fan 32 and controller electric connection when the single-point electronic components temperature monitoring numerical value far surpasses the single-point temperature limit value of settlement or when a plurality of electronic components temperature monitoring numerical value surpass the single-point temperature limit value of settlement, controller control exhaust fan 32 opens to the monitoring numerical value of accessible temperature sensor sets for different rotational speeds to exhaust fan 32.

As preferred, a high-efficient heat-dissipation power distribution cabinet still includes water conservancy diversion baffle 41, water conservancy diversion baffle 41 separates into a hot chamber 42 and two cold chambeies 43 with cabinet body 10 is inside, radiator fan 22, fan slip table 23, temperature sensor, exhaust window 31, exhaust fan 32 and electronic components all set up at hot chamber 42, electronic heat dissipation shutter 21 sets up at cold chamber 43, water conservancy diversion baffle 41 is being kept away from exhaust window 31 one end and is being provided with via hole 44, via hole 44 communicates hot chamber 42 and cold chamber 43 respectively, different apertures or setting quantity can be selected as required to via hole 44;

the diversion baffle plate 41 and the conducting hole 44 ensure that the air outside the cabinet body 10 always enters the hot cavity 42 from the side far away from the exhaust window 31, and the air inside the hot cavity 42 is exhausted out of the cabinet body 10 from the exhaust window 31, thereby ensuring that the electronic components in the hot cavity 42 can be effectively radiated.

As preferred, electronic heat dissipation shutter 21, the window 31 inboard of airing exhaust all is provided with dustproof filter screen 51 and prevents that raise dust from getting into inside the switch board, the cabinet body 10 outside is provided with raindrop sensor 52, raindrop sensor 52 preferably uses piezoelectric type raindrop sensor 52, raindrop sensor 52 and controller electric connection monitor through raindrop sensor 52 whether raining and rainfall size, and when raining, the controller prevents that the raindrop from splashing and gets into the inside electronic components of damage of cabinet body 10 according to the aperture of rainfall size control electronic heat dissipation shutter 21.

The utility model discloses an foretell embodiment has reducible raise dust and gets into cabinet 10 inside, the temperature monitoring accuracy is high, the heat dissipation is rapid, the advantage that whole energy consumption is low.

The above-mentioned embodiments only represent one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a high-efficient heat-dissipation power distribution cabinet, a serial communication port, including the cabinet body (10), cabinet door, radiator unit, the cabinet door is articulated with the cabinet body (10), radiator unit includes electronic heat dissipation shutter (21), radiator fan (22), fan slip table (23), temperature sensor, controller, electronic heat dissipation shutter (21) set up on the cabinet body (10) lateral wall, fan slip table (23) set up inside the cabinet body (10), radiator fan (22) activity sets up on fan slip table (23) through air flow with higher speed supplementary heat dissipation to electronic components and slide along fan slip table (23) under the drive of fan slip table (23), temperature sensor is provided with multiunit and detachable and sets up on different positions on electronic components or electronic components mounting bracket, the controller respectively with electronic heat dissipation shutter (21), The heat radiation fan (22), the fan sliding table (23) and the temperature sensor are electrically connected.

2. A high efficiency heat dissipating power distribution cabinet according to claim 1, wherein the heat dissipating fan (22) is a speed adjustable fan.

3. The high-efficiency heat-dissipation power distribution cabinet according to claim 2, wherein a movable drag chain (25) is arranged on the fan sliding table (23), and a driving cable and a control cable of the heat-dissipation fan (22) are arranged in the movable drag chain (25).

4. The high-efficiency heat-dissipation power distribution cabinet according to claim 3, further comprising an exhaust window (31) and an exhaust fan (32), wherein the exhaust window (31) is disposed on the sidewall of the cabinet body (10) and located at a position away from the electric heat-dissipation louver (21), the exhaust fan (32) is disposed on the inner side of the exhaust window (31) and used for exhausting air in the cabinet body (10) out of the cabinet body (10), and the exhaust fan (32) is electrically connected with the controller.

5. The high-efficient heat-dissipation power distribution cabinet of claim 4, characterized in that still includes water conservancy diversion baffle (41), water conservancy diversion baffle (41) are separated into a hot chamber (42) and at least one cold chamber (43) with the cabinet body (10) inside, radiator fan (22), fan slip table (23), temperature sensor, exhaust window (31), exhaust fan (32) all set up at hot chamber (42), electronic heat dissipation shutter (21) set up at cold chamber (43), water conservancy diversion baffle (41) are being provided with via hole (44) keeping away from exhaust window (31) one end, via hole (44) communicate hot chamber (42) and cold chamber (43) respectively.

6. The efficient heat-dissipation power distribution cabinet according to claim 5, wherein the inner sides of the electric heat-dissipation louver (21) and the air exhaust window (31) are both provided with a dustproof filter screen (51), the outer side of the cabinet body (10) is provided with a raindrop sensor (52), and the raindrop sensor (52) is electrically connected with the controller.