CN212341251U

CN212341251U - Multi-channel heat dissipation assembly for battery detection

Info

Publication number: CN212341251U
Application number: CN202020128046.2U
Authority: CN
Inventors: 贾小林通; 肖迪; 何小月
Original assignee: Wuhan Lixing Technology Co ltd
Current assignee: Wuhan Lixing Technology Co ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2021-01-12
Anticipated expiration: 2030-01-20

Abstract

The utility model belongs to the technical field of electronic components board heat dissipation, specifically provide a multichannel battery detects uses radiator unit, including the mounting box, the mounting box includes body frame, front panel, upper cover plate and lower cover plate, and the upper end of body frame, lower extreme and front end all are equipped with the opening, and upper cover plate and the upper end bolted connection of body frame, lower cover plate and the lower extreme bolted connection of body frame, front panel and the front end bolted connection of body frame, front panel, upper cover plate and lower cover plate enclose to close and form the enclosure space that is used for installing battery detection circuit structure; the front end of mounting box is equipped with the air intake, and the rear end of mounting box is equipped with the fan, is equipped with the PCB support in the mounting box, and the PCB support is equipped with a plurality of ventilation holes including the PCB supporting baseplate that is used for installing the PCB board and being used for the PCB division board with PCB board and rear end power isolation on the PCB division board, air intake, ventilation hole and fan communicate formation radiating air duct in proper order. Under the suction effect of the fan, the heat in the mounting box is taken away by the external cold air, and the heat dissipation efficiency is improved.

Description

Multi-channel heat dissipation assembly for battery detection

Technical Field

The utility model belongs to the technical field of the heat dissipation of electronic components board, concretely relates to multichannel battery detects uses radiator unit.

Background

In the production process of the battery, the detection of the battery performance is an essential link. The electrical detection means of the battery generally comprises overcharge, overdischarge, external short circuit and forced discharge, and the detection indexes comprise internal resistance, maximum discharge current, constant current precision, battery capacity and the like. The detection method commonly used at present is that a meter pen of a manual handheld battery test instrument detects batteries one by one, and the method has low efficiency and is easy to have the phenomena of misdetection and missed detection.

At present, the service life of equipment for detecting the performance of the battery is short, mainly because the heat generated by internal electronic components cannot be dissipated in time. Especially, when the batteries are detected in batches for a long time, the power consumption is large, simultaneously, more components work, the heat productivity is large, and the heat is rapidly generated. Because the heat dispersion of equipment is poor, and structural design is unreasonable, causes equipment to generate heat fast, and the heat gives off slowly, forms local high temperature and damages electronic components to reduce the detection precision of equipment, can't guarantee the uniformity that detects.

Disclosure of Invention

The utility model aims at overcoming the slow problem of heat dissipation in the battery performance check out test set among the prior art.

Therefore, the utility model provides a multichannel battery detects uses radiator unit, including the mounting box, the mounting box includes body frame, front panel, upper cover plate and lower cover plate, the upper end of body frame, lower extreme and front end all are equipped with the opening, upper cover plate and the upper end bolted connection of body frame, lower cover plate and the lower extreme bolted connection of body frame, the front panel with the front end bolted connection of body frame, front panel, upper cover plate and lower cover plate enclose to close and form the enclosure space that is used for installing battery detection circuit structure;

the front end of mounting box is equipped with the air intake, the rear end of mounting box is equipped with the fan, be equipped with the PCB support in the mounting box, the PCB support is including the PCB supporting baseplate who is used for installing the PCB board and be used for the PCB division board with PCB board and rear end power isolation, transversely be equipped with a plurality of ventilation holes on the PCB division board, air intake, ventilation hole and fan communicate in proper order and form the radiating air duct.

Preferably, the main frame is of a door-shaped side frame thin-wall structure, an opening at the front end of the door-shaped side frame thin-wall structure is connected with the front panel through a bolt, and the rear end of the door-shaped side frame thin-wall structure is closed and is provided with a fan air outlet and a power socket.

Preferably, each air inlet is oval or rectangular, and the air inlets are communicated with the ventilation holes in a one-to-one alignment manner.

Preferably, the edges of the PCB isolation plate respectively abut against the inner side walls of the mounting box.

Preferably, a gap is arranged between the PCB supporting bottom plate and the PCB, and the ventilation hole is communicated with the gap.

Preferably, a boss is arranged on the PCB support, a threaded hole is formed in the boss, the back face of the PCB abuts against the boss, and a bolt penetrates through the PCB and is screwed into the threaded hole to compress the PCB on the PCB support.

Preferably, the height of the vent hole is not less than the sum of the gap and the overall height of the PCB.

Preferably, the PCB support is made of plastic.

Preferably, the PCB board is located adjacent to the upstream of the heat dissipation duct.

The utility model has the advantages that: the utility model provides a heat dissipation assembly for multichannel battery detection, including the mounting box, the mounting box includes body frame, front panel, upper cover plate and lower cover plate, and the upper end, lower extreme and the front end of body frame all are equipped with the opening, and upper cover plate and the upper end bolted connection of body frame, lower cover plate and the lower extreme bolted connection of body frame, front panel and the front end bolted connection of body frame, front panel, upper cover plate and lower cover plate enclose to close and form the enclosure space that is used for installing battery detection circuit structure; the front end of mounting box is equipped with the air intake, and the rear end of mounting box is equipped with the fan, is equipped with the PCB support in the mounting box, and the PCB support is equipped with a plurality of ventilation holes including the PCB supporting baseplate that is used for installing the PCB board and being used for the PCB division board with PCB board and rear end power isolation on the PCB division board, air intake, ventilation hole and fan communicate formation radiating air duct in proper order. The PCB is isolated from other electronic components by the PCB isolation board, and the heat is prevented from flowing back to the PCB to affect normal work. Meanwhile, the PCB isolation board is provided with the vent holes to form heat dissipation air channels with the air inlets and the fans, the heat dissipation air channels are arranged in parallel, under the suction effect of the fans, after external cold air passes through the air inlets, the parallel air channels are formed on the PCB and reach the fans to be discharged after passing through the vent holes, the cold air passes through the PCB quickly due to the formation of the air channels, and the heat exchange efficiency is improved.

The present invention will be described in further detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic view of the internal assembly of the multi-channel heat dissipation assembly for battery testing of the present invention;

fig. 2 is an assembly schematic diagram of a PCB support and a PCB board of the multi-channel heat dissipation assembly for battery inspection of the present invention;

fig. 3 is the utility model discloses multichannel battery test uses radiator unit's PCB supporting structure sketch map.

Description of reference numerals: the air conditioner comprises a mounting box 1, an air inlet 2, a fan 3, a PCB supporting base plate 4, a PCB isolation plate 5, a ventilation hole 6, a PCB 7, a boss 8, a main frame 9, a front panel 10, a lower cover plate 11 and a power socket 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The embodiment of the utility model provides a multichannel radiator unit for battery test, as shown in fig. 1 to fig. 3, including mounting box 1, mounting box 1's front end is equipped with air intake 2, mounting box 1 includes body frame 9, front panel 10, upper cover plate (not shown in the figure, it is the same with lower apron structure, and the installation method is the same) and apron 11 down, upper end, lower extreme and the front end of body frame 9 all are equipped with the opening, the upper cover plate with the upper end bolted connection of body frame 9, apron 11 down with the lower extreme bolted connection of body frame 9, front panel 10 with the front end bolted connection of body frame 9, front panel 10, upper cover plate and apron 11 down enclose to close the enclosure space that forms and be used for installing battery test circuit structure.

The rear end of mounting box 1 is equipped with fan 3, be equipped with PCB support 7 in the mounting box 1, PCB support is including PCB supporting baseplate 4 that is used for installing PCB board 7 and be used for PCB division board 5 with PCB board 7 and rear end power isolation, transversely be equipped with a plurality of ventilation holes 6 on the PCB division board 5, air intake 2, ventilation hole 6 and fan 3 communicate formation radiating air duct in proper order. Ambient air enters from the air inlet 2 over the PCB board 7 and then through the ventilation holes 6 to the fan 3. Therefore, the mounting box 1 is a cuboid, the front end of the mounting box 1 is provided with the air inlets 2, the fan 3 is arranged at the rear end of the fan 3, the PCB support is arranged in the middle of the fan 3, and the PCB 7 is arranged on the PCB support. The PCB isolation board 5 on the PCB support divides the space of the mounting box 1 into two. Due to the existence of the PCB isolation board 5, the PCB 7 close to the front end of the mounting box 1 is isolated from other heating sources such as a power supply close to the rear end of the mounting box 1, and the influence of heat convection exchange among different heating sources on the working performance of each other is avoided. Be equipped with a plurality of ventilation holes 6 on the PCB division board 5, under the suction effect of fan 3, external cold air gets into from air intake 2, earlier through the PCB board 7 that is close to the mounting box 1 front end, cools off electronic components on the PCB board 7, and rethread ventilation hole 6 reachs fan 3 behind other sources that generate heat such as the power that is close to the mounting box 1 rear end, takes away the heat in the source that generates heat such as PCB board 7 and power at last. Because the ventilation holes 6 are smaller and are multiple, in the process of sucking the fan 3, a heat dissipation air channel is formed, the part of the heat dissipation air channel above the PCB 7 is parallel to each other, and the air channel is narrower than the air channels near the air inlet 2 and the fan 3, so that the part of the heat dissipation air channel above the PCB 7 has higher air speed, and the heat on the PCB 7 can be taken away more efficiently. On the other hand, the PCB 7 is positioned at the upstream of the heat dissipation air duct, other heating sources such as a power supply and the like are positioned at the downstream as much as possible, and the upstream and the downstream are separated by the PCB isolation board 5, so that the normal work of the PCB 7 can be effectively ensured not to be influenced by the heat of other heating sources, and the circuit safety and the service life of the PCB 7 are improved.

According to the preferable scheme, the main frame is of a door-shaped side frame thin-wall structure, the front end opening of the door-shaped side frame thin-wall structure is connected with the front panel through a bolt, and the rear end of the door-shaped side frame thin-wall structure is closed and provided with a fan air outlet and a power socket. As shown in figure 1, the thin-wall structure of the door-shaped side frame is convenient for integral casting molding, and the casting material can be aluminum alloy or plastic. Other parts may be made of the same aluminum alloy or plastic material. The rear end of the thin-walled structure of the door-shaped side frame is provided with a fan outlet and a power socket 12, the fan outlet is used for discharging heat of an internal fan, and the power socket 12 is used for supplying power to internal electronic components. Each structure on the main frame 9 can be formed through pouring, so that the manufacturing is convenient, the cost is low, and the consistency is better.

Preferably, each of the ventilation holes 6 has an oval or rectangular shape. As shown in fig. 1 and 3, the PCB isolation board 5 is uniformly provided with oval ventilation holes 6, so that the cold air can completely cover the whole upper part of the PCB board 7, and the wind speed is high. In addition, the shape and the positional arrangement of the ventilation holes 6 are mainly seen from the arrangement of the electronic components on the PCB board 7. For example, the vent holes 6 are formed in the concentrated places of the power tubes, the voltage reduction resistors and the like on the PCB 7, and the vent holes 6 are not formed in the places with smaller heat productivity or basically without heat sources, so that the heat can be concentrated and pertinently dissipated, the cold air is concentrated and passes through the upper part of the electronic component with high heat productivity at high speed, and the heat dissipation efficiency is improved.

In a preferable scheme, each of the air inlets 2 is oval or rectangular, and the air inlets 2 are communicated with the air vents 6 in a one-to-one alignment manner. As shown in fig. 1, the air inlet 2 and the air vent 6 are in one-to-one correspondence to form a plurality of parallel independent heat dissipation air ducts, which is beneficial to stable high-speed passing of air flow and better fast taking away heat.

Preferably, the edges of the PCB isolation board 5 respectively abut against the inner side walls of the mounting box 1. As shown in figure 1, PCB division board 5 supports with mounting box 1 and leans on, and better assurance cold air carries out the heat exchange through ventilation hole 6, improves ventilation hole 6's utilization ratio.

Preferably, a gap is formed between the PCB supporting bottom plate 4 and the PCB 7, and the vent holes 6 are communicated with the gap. As shown in fig. 2, the PCB 7 is not attached to the PCB support base plate 4, so that the front and back sides of the PCB 7 can be uniformly cooled.

According to the preferable scheme, a boss 8 is arranged on the PCB support, a threaded hole is formed in the boss 8, the back face of the PCB 7 abuts against the boss 8, and a bolt penetrates through the PCB 7 and is screwed into the threaded hole to press the PCB 7 onto the PCB support. As shown in fig. 2 and 3, the corner of the PCB 7 has a mounting hole, and the bolt is screwed into the threaded hole after passing through the mounting hole to press the PCB 7 against the boss 8 to form a fixation.

Preferably, the height of the vent hole 6 is not less than the sum of the gap and the overall height of the PCB 7. As shown in fig. 2, the height of the vent hole 6 is as high as possible, so that a heat dissipation air duct is formed on both the front and back sides of the PCB board 7, thereby improving heat dissipation efficiency.

In a preferred scheme, the PCB support is made of plastic. Plastics or alloys are all possible. The plastic has the functions of heat insulation and non-conductivity.

Preferably, the PCB board 7 is located near the upstream of the heat dissipation duct. The cold air firstly passes through the PCB 7 at the upstream and then passes through other heating sources at the downstream, so that the heat of the other heating sources is prevented from flowing back to the PCB 7 to influence the normal work of the PCB 7.

The above examples are merely illustrative of the present invention and do not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.

Claims

1. The utility model provides a multichannel battery detects uses radiator unit which characterized in that: the battery detection circuit structure comprises a mounting box, wherein the mounting box comprises a main frame, a front panel, an upper cover plate and a lower cover plate, openings are formed in the upper end, the lower end and the front end of the main frame, the upper cover plate is connected with the upper end of the main frame through bolts, the lower cover plate is connected with the lower end of the main frame through bolts, the front panel is connected with the front end of the main frame through bolts, and the main frame, the front panel, the upper cover plate and the lower cover plate are enclosed to form a closed space for mounting a battery detection circuit structure;

2. The heat sink assembly for multi-channel battery inspection according to claim 1, wherein: the main frame is of a door-shaped side frame thin-wall structure, the front end opening of the door-shaped side frame thin-wall structure is connected with the front panel through bolts, and the rear end of the door-shaped side frame thin-wall structure is closed and provided with a fan air outlet and a power socket.

3. The heat sink assembly for multi-channel battery inspection according to claim 1, wherein: each air inlet is oval or rectangle, just the air inlet with the ventilation hole aligns the intercommunication one by one.

4. The heat sink assembly for multi-channel battery inspection according to claim 1, wherein: the edges of the PCB isolation plates are respectively abutted against the inner side walls of the mounting box.

5. The heat sink assembly for multi-channel battery inspection according to claim 1, wherein: PCB supporting baseplate with be equipped with the clearance between the PCB board, the ventilation hole with the clearance intercommunication.

6. The heat dissipating module for multi-channel battery testing of claim 1 or 5, wherein: the PCB support is provided with a boss, a threaded hole is formed in the boss, the back face of the PCB is abutted against the boss, and a bolt penetrates through the PCB and is screwed into the threaded hole to compress the PCB on the PCB support.

7. The heat sink assembly for multi-channel battery inspection according to claim 5, wherein: the height of the vent hole is not less than the sum of the gap and the overall height of the PCB.

8. The heat sink assembly for multi-channel battery inspection according to claim 1, wherein: the PCB support is made of plastic materials.

9. The heat sink assembly for multi-channel battery inspection according to claim 1, wherein: the PCB is located near the upstream of the heat dissipation air duct.