A light product outdoor cabinet with a radiator
Patent Information
- Application Number
- CN202620047933.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-15
- Publication Date
- 2026-10-30
- Estimated Expiration
- 2036-01-15
AI Technical Summary
1、温度波动剧烈：夏季暴晒时机柜内部温度可升至 60℃以上，冬季低温可达-20℃以下，超出OLT 设备正常工作温度范围(通常为 0-45℃)，导致设备频繁死机、光模块衰减加速
本实用新型通过集成散热鳍片和防护钣金设计，解决了室外OLT 机柜在极端温度下的散热难题，能够将机柜内部温度稳定控制在5-40℃，并兼顾防护等级，适用于 5G 基站配套、宽带接入网户外部署等场景，可保障 OLT 设备在高温、低温、沙尘、雨雪等恶劣条件下稳定运行，满足OLT 设备全天候工作需求。
Smart Images
Figure CN224924091U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of communication equipment technology, specifically an outdoor cabinet for optical products with a built-in heat sink. Background Technology
[0002] In the construction of communication network infrastructure, OLT equipment, as a core node of the fiber optic access network, needs to be deployed extensively in outdoor scenarios (such as roadside cabinets and outdoor equipment rooms in residential communities). The outdoor environment presents three major challenges, as follows: 1. Dramatic temperature fluctuations: In summer, the internal temperature of the cabinet can rise to over 60℃ when exposed to direct sunlight, and in winter, the temperature can drop below -20℃, exceeding the normal operating temperature range of the OLT equipment (usually 0-45℃), causing frequent equipment crashes and accelerated attenuation of optical modules.
[0003] 2. Special heat dissipation requirements: OLT equipment has a high degree of integration (a single cabinet can accommodate 16-48 optical modules) and consumes 300-800W when working. Traditional outdoor cabinets rely on natural heat dissipation or simple fan cooling methods, which cannot quickly dissipate heat and are prone to forming local hot spots.
[0004] 3. Conflict between environmental protection and heat dissipation: Existing outdoor cabinets are mostly sealed structures to prevent dust and water damage. While this can isolate sand, dust and rain, it further hinders heat dissipation, creating a dilemma of "heat dissipation-protection".
[0005] Currently, among the mainstream solutions in the industry, some cabinets use air conditioning for cooling. Although this can achieve temperature control, it has problems such as high power consumption (average daily power consumption of 10-15 kWh) and high failure rate (air conditioning compressors are easily damaged by sand and dust). Some use heat pipe cooling solutions, but these are limited by outdoor temperature differences. In low-temperature environments, the efficiency of heat pipes drops sharply and cannot meet the heat dissipation requirements when the equipment starts up.
[0006] Therefore, there is an urgent need for an outdoor OLT cabinet design that can balance efficient heat dissipation, low power consumption, and high protection level. Utility Model Content
[0007] The purpose of this utility model is to overcome the shortcomings in the above-mentioned background technology and provide an outdoor cabinet for optical products with a built-in heat sink. The cabinet should have the characteristics of high heat dissipation efficiency, low operating power, and high protection level.
[0008] The technical solution of this utility model is: An outdoor cabinet for optical products with a built-in heat sink includes a base and a cabinet body; the left side of the cabinet body is an open circuit area and the right side is a wiring area; characterized in that: it also includes a top cabinet located above the cabinet body; the cabinet body also has a heat dissipation area, with the wiring area and the heat dissipation area arranged front and back; the top cabinet has a fan area that connects to the heat dissipation area.
[0009] The wiring area and the heat dissipation area are separated by a partition; the heat dissipation area is equipped with a heat sink fixed to the partition, and the heat sink is equipped with several vertically extending fins.
[0010] The rear of the cabinet is provided with a protective plate that surrounds the heat sink; the lower part of the protective plate is provided with an air inlet; the upper part of the protective plate is provided with a heat dissipation baffle that separates the fan area from the heat dissipation area; the heat dissipation baffle is provided with heat dissipation holes.
[0011] The top cabinet is equipped with a fan baffle that divides the fan area into a lower chamber and an upper chamber; the front of the top cabinet is equipped with an air vent; and the fan baffle is equipped with a fan.
[0012] The air inlet, radiator, heat dissipation hole, lower chamber, fan, upper chamber and air outlet are connected in sequence to form a heat dissipation channel.
[0013] The fins of the radiator maintain a certain fin gap.
[0014] The beneficial effects of this utility model are: This utility model solves the heat dissipation problem of outdoor OLT cabinets under extreme temperatures by integrating heat dissipation fins and protective sheet metal design. It can stably control the internal temperature of the cabinet between 5-40℃ while taking into account the protection level. It is suitable for scenarios such as 5G base station support and outdoor deployment of broadband access networks. It can ensure the stable operation of OLT equipment under harsh conditions such as high temperature, low temperature, sand and dust, rain and snow, and meet the all-weather working needs of OLT equipment. Attached Figure Description
[0015] The following describes some specific embodiments of the present invention in a detailed manner by way of example and not limitation, with reference to the accompanying drawings. The same reference numerals in the drawings denote the same or similar parts or components.
[0016] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0017] Figure 2 This is a schematic diagram of the main structure of this utility model.
[0018] Figure 3 This is a schematic diagram of the rear view structure of this utility model.
[0019] Figure 4 This is a schematic diagram of the main structure of this utility model (cabinet door open).
[0020] Figure 5 yes Figure 3 Schematic diagram of the cross-sectional structure along the AA direction.
[0021] Figure 6 yes Figure 3Schematic diagram of the cross-sectional structure along the BB direction.
[0022] Figure 7 This is a three-dimensional structural diagram of the heat sink of this utility model.
[0023] Figure 8 This is a three-dimensional structural diagram of the protective plate of this utility model.
[0024] Figure 9 This is an exploded view of this utility model.
[0025] Figure label: 1. Base, 2. Cabinet, 2-1. Left cabinet door, 2-2. Right cabinet door, 2-3. Partition, 2-5. Mounting plate, 3. Top cabinet, 3-1. Fan baffle, 3-2. Air outlet, 3-3. Fan, 3-4. Lower chamber, 3-5. Upper chamber, 4. Heat sink, 4-1. Fins, 4-2. Fin gap, 5. Protective plate, 5. Air inlet, 5-1. Heat dissipation baffle, 5-2. Heat dissipation hole, 5-3. Circuit breaker area, 11. Wiring area, 12. Heat dissipation area, 13. Fan area, 14. Detailed Implementation
[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely for explaining the present utility model and are not intended to limit the present utility model.
[0027] like Figure 1 As shown, an outdoor cabinet for optical products with a built-in heat sink includes a base 1, a cabinet body 2, and a top cabinet 3.
[0028] The base is located at the bottom, and a power supply for power supply is installed inside the base. The cabinet is located above the base, and the top cabinet is located above the cabinet. The interior of the cabinet is divided into an circuit breaker area 11, a wiring area 12, and a heat dissipation area 13 by partitions 2-3. The top cabinet has a fan area 14 inside.
[0029] The cabinet has a left door 2-1 and a right door 2-2 on its front. The circuit breaker area is located on the left side inside the cabinet, while the wiring area and heat dissipation area are located on the right side inside the cabinet. The wiring area and heat dissipation area are arranged front to back, with the wiring area at the front and the heat dissipation area at the rear. The circuit breaker area is equipped with circuit breakers. The left side of the wiring area is used for fiber optic cables, and the right side is equipped with an ODF (Optical Distribution Frame) device. The heat dissipation area is equipped with a heat sink 4, which has several vertically extending fins 4-1, with a certain fin gap 4-2 maintained between the fins. The ODF device is fixed to the partition between the wiring area and the heat dissipation area by a mounting plate 2-5. The finned heat sink is fixed to the partition between the wiring area and the heat dissipation area.
[0030] When the left cabinet door is open, the circuit breaker equipment can be maintained and managed. When the right cabinet door is open, the optical fiber cable and ODF equipment can be maintained and managed. When the left and right cabinet doors are closed, the circuit breaker area and the wiring area are completely isolated from the outside world, providing good protection.
[0031] The rear of the cabinet is equipped with a protective plate 5, which surrounds the finned heat sink and serves as an anti-theft measure. The protective plate also functions as the rear shell structure of the cabinet. The lower part of the protective plate has an air inlet 5-1, and the upper part has a horizontally arranged heat dissipation baffle 5-2. The wiring area and the heat dissipation area are separated by the heat dissipation baffle, which has ventilation holes 5-3 to connect the heat dissipation area and the fan area.
[0032] The top cabinet has an air vent 3-2 on the front and a fan baffle 3-1 inside. The fan baffle divides the fan compartment into a lower chamber 3-4 and an upper chamber 3-5. A fan 3-3 is installed on the fan baffle to drive the airflow in a preset direction.
[0033] The air inlet, radiator, heat dissipation hole, lower chamber, fan, upper chamber and air outlet are connected in sequence to form a heat dissipation channel.
[0034] Since both the ODF device and the radiator are in hard contact with the cabinet, the heat generated by the ODF device is transferred to the radiator through heat conduction via the mounting plate and partition. When the fan is working, the heat dissipation channel forms an airflow. External air enters the heat dissipation area through the air inlet, rises through the fin gaps and carries away the heat from the radiator, and then enters the lower and upper chambers of the fan area through the heat dissipation holes, and finally is discharged through the air outlet.
[0035] The heat sink is an aluminum finned heat sink, which ensures effective heat dissipation through large-area contact between the fins and the air. Through holes are also provided on the partition between the circuit breaker area and the wiring area to assist in heat dissipation.
[0036] The outdoor OLT (Optical Line Terminal) cabinet with built-in heat sink provided by this utility model has the following advantages: 1. Excellent temperature control: In the high-temperature environment of summer, the internal temperature of the cabinet can be controlled below 40℃, which is 15-20℃ lower than that of traditional cabinets; in the low-temperature environment of winter, by reducing the fan speed or stopping the fan, the temperature can be quickly raised to above 10℃ to meet the equipment startup requirements. 2. Significant energy saving and consumption reduction: The cooling system primarily relies on fan-driven natural heat dissipation, eliminating the need for high-power cooling equipment such as air conditioners. Its daily power consumption is only 2-3 kWh, resulting in energy savings of over 70% compared to air conditioning cooling solutions, and annual electricity savings of approximately 2000-3000 yuan. 3. Strong protective capabilities: The circuit breaker area and wiring area are isolated from the outside world, with an overall protection level of IP55, which can withstand severe weather such as sandstorms and moderate rain, as well as temperature fluctuations from -20℃ to 60℃, reducing the equipment failure rate by 60%. In summary, this invention can achieve rapid heat dissipation inside the cabinet, reduce the temperature inside the cabinet, improve operational stability, and extend the service life of the equipment.
[0037] The above-described embodiments are merely illustrative of several implementations of this utility model, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of this utility model. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the appended claims.
Claims
1. An outdoor cabinet for optical products with a built-in heat sink, comprising a base (1) and a cabinet body (2); the left side of the cabinet body is an open switch area (11) and the right side is a wiring area (12); characterized in that: It also includes a top cabinet (3) located above the cabinet; the cabinet is also provided with a heat dissipation area (13), and the wiring area and the heat dissipation area are arranged in front and behind; the top cabinet is provided with a fan area (14) that connects to the heat dissipation area.
2. The outdoor cabinet for optical products with a built-in heat sink according to claim 1, characterized in that: The wiring area and the heat dissipation area are separated by a partition (2-3); the heat dissipation area is provided with a heat sink (4) fixed to the partition, and the heat sink is provided with several vertically extending fins (4-1).
3. The outdoor cabinet for optical products with a built-in heat sink according to claim 2, characterized in that: The rear of the cabinet is provided with a protective plate (5) that surrounds the heat sink; the lower part of the protective plate is provided with an air inlet (5-1); the upper part of the protective plate is provided with a heat dissipation baffle (5-2) that separates the fan area from the heat dissipation area; the heat dissipation baffle is provided with heat dissipation holes (5-3).
4. The outdoor cabinet for optical products with a built-in heat sink according to claim 3, characterized in that: The top cabinet is equipped with a fan baffle (3-1) that divides the fan area into a lower chamber and an upper chamber; the front of the top cabinet is equipped with an air vent (3-2); and the fan baffle is equipped with a fan (3-3).
5. The outdoor cabinet for optical products with a built-in heat sink according to claim 4, characterized in that: The air inlet, radiator, heat dissipation hole, lower chamber, fan, upper chamber and air outlet are connected in sequence to form a heat dissipation channel.
6. The outdoor cabinet for optical products with a built-in heat sink according to claim 5, characterized in that: The fins of the radiator maintain a certain fin gap (4-2).