Multifunctional source-load dual-purpose electronic load

Abstract

The utility model relates to the technical field of electronic loads, in particular to a multifunctional source-load dual-purpose electronic load, which comprises a load cabinet body, the top of the load cabinet body is communicated and provided with an exhaust fan for exhausting hot air, and the outer side, close to the bottom, of the load cabinet body is communicated and provided with an air inlet fan for sucking external air. Drying agent particles are adopted to dehumidify air entering the load cabinet body, on the basis, due to the fact that the drying agent, close to the first through hole, in the drying bin hardens firstly, the air inlet efficiency is affected, the bottom plate and the movable rod move upwards, the air inlet efficiency is affected, and the air inlet efficiency is improved. The drying agent particles are rubbed by the soft protruding blocks, so that the hardened drying agent particles are dispersed, the air inlet efficiency of the air inlet fan is guaranteed, meanwhile, the drying agent particles located in the air inlet fan can move to the first through holes, and the drying agent particles are fully utilized.

Description

Technical Field

[0001] This utility model relates to the field of electronic load technology, specifically a multifunctional source-load dual-purpose electronic load. Background Technology

[0002] A source-load dual-purpose electronic load is a multifunctional test device that combines power supply and load functions. It is widely used in the testing and verification of electronic products such as batteries, power modules, and chargers. Its core feature is that it can realize power output and load absorption in the same device, simplifying the testing process and improving efficiency. In power mode, it can simulate stable or programmable voltage and current output to power the device under test. In load mode, it can simulate various load conditions, such as constant current, constant voltage, constant power, or constant resistance, to test the performance, efficiency, and stability of the power supply equipment. In addition, source-load dual-purpose electronic loads usually support dynamic load testing, which can quickly switch load states to simulate transient changes in the real working environment, helping users to comprehensively evaluate the dynamic response capability of the device under test.

[0003] Some dual-purpose electronic loads have high power, even reaching several kilowatts. High-power operation generates a lot of heat, and natural heat dissipation cannot meet the working requirements. Therefore, it is necessary to add air-cooling equipment, that is, to accelerate the air circulation speed inside and outside the load cabinet by using a fan. During this process, as more air passes through the load cabinet, the moisture it carries also increases, which increases the possibility of moisture getting into the components inside the load cabinet, increasing the possibility of components rusting and short circuits, and posing certain safety hazards. Utility Model Content

[0004] To address the aforementioned issues, this application provides a multifunctional source-load dual-purpose electronic load. This solves the problem that when the fan accelerates the airflow speed inside and outside the load cabinet, the increased airflow and moisture carried by the air increases the likelihood of moisture absorption by the internal components, increasing the possibility of rust and short circuits, thus posing certain safety hazards.

[0005] A multifunctional source-carryer dual-purpose electronic load includes a load cabinet, an exhaust fan for discharging hot air is connected to the top of the load cabinet, an intake fan for drawing in outside air is connected to the outer side of the load cabinet near the bottom, and a drying chamber that cooperates with the intake fan is snapped onto the outer side of the load cabinet, the drying chamber being filled with desiccant.

[0006] The drying chamber has multiple fixed rods installed inside and multiple movable rods installed inside. The movable rods are installed in a staggered manner with the fixed rods, and multiple soft protrusions are fixedly installed on the outside of both.

[0007] In addition, two locking blocks are symmetrically fixedly installed on the outside of the load cabinet, and the drying chamber is slidably locked between the two locking blocks.

[0008] In addition, the drying chamber has multiple third through holes on the side closer to the load cabinet, and multiple first through holes on the side farther away from the load cabinet.

[0009] In addition, a wind speed detection unit is fixedly installed inside the load cabinet, and the wind speed detection unit is located at the air intake fan exhaust port.

[0010] In addition, a sealing plate is slidably inserted into the bottom of the drying chamber, and multiple second through holes are opened through the middle of the sealing plate. A base plate is fixedly installed at the bottom of the sealing plate, and the bottom of the movable rod is fixedly connected to the base plate.

[0011] In addition, an electric push rod is fixedly installed on the outside of the load cabinet. The electric push rod is electrically connected to the wind speed detection unit. The output end of the electric push rod is attached to the bottom of the base plate. A return spring is fixedly installed between the top of the base plate and the bottom of the drying chamber. The return spring is movably sleeved around the movable rod.

[0012] The beneficial effects of this utility model are as follows:

[0013] The present invention discloses a multifunctional source and load dual-purpose electronic load that uses desiccant particles to dehumidify the air entering the load cabinet. On this basis, since the desiccant near the first through hole inside the drying chamber is caking first, affecting the air intake efficiency, the bottom plate and movable rod move upward, and the soft protrusions knead the desiccant particles, so that the caking desiccant particles are dispersed, ensuring the air intake efficiency of the intake fan. At the same time, it can also move the desiccant particles located inside to the first through hole, so that the desiccant particles are fully utilized.

[0014] When the electronic load is idle, the sealing plate and the second through hole move upward, causing the second through hole and the first through hole to be misaligned, reducing the entry of external dust and moisture into the drying chamber and load cabinet, and extending the service life of the desiccant and the internal components of the load cabinet. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0016] Figure 1 A schematic diagram of the overall structure of a multifunctional source-carrier dual-purpose electronic load provided by this utility model;

[0017] Figure 2 A schematic diagram of the internal structure of a multifunctional source-carrier dual-purpose electronic load provided by this utility model;

[0018] Figure 3 A schematic diagram of the electric push rod connection for a multifunctional source-load dual-purpose electronic load provided by this utility model;

[0019] Figure 4 A schematic diagram of the internal structure of a drying chamber for a multifunctional source-carrier dual-purpose electronic load provided by this utility model;

[0020] Figure 5 A schematic diagram of the installation of a soft bump in a multifunctional source-carrier dual-purpose electronic load provided by this utility model;

[0021] Figure 6 A schematic diagram of the back structure of a drying chamber for a multifunctional source-carrier dual-purpose electronic load provided by this utility model.

[0022] In the picture:

[0023] 1. Load cabinet; 2. Intake fan; 3. Exhaust fan; 4. Drying chamber; 5. Clamping block; 6. First through hole; 7. Third through hole; 8. Sealing plate; 9. Second through hole; 10. Base plate; 11. Movable rod; 12. Fixed rod; 13. Soft protrusion; 14. Return spring; 15. Electric push rod; 16. Wind speed detection unit. Detailed Implementation

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the present utility model will be briefly introduced below in conjunction with the accompanying drawings and descriptions of the embodiments or the prior art. Obviously, the following description of the structure of the accompanying drawings is only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. It should be noted that the description of these embodiments is used to help understand this utility model, but does not constitute a limitation on this utility model.

[0025] like Figures 1-6 As shown, this utility model embodiment provides a multi-functional source-carrier dual-purpose electronic load, including a load cabinet 1. An exhaust fan 3 for discharging hot air is connected to the top of the load cabinet 1, and an intake fan 2 for drawing in outside air is connected to the outer side of the load cabinet 1 near the bottom. A drying chamber 4 that cooperates with the intake fan 2 is snapped onto the outer side of the load cabinet 1. The drying chamber 4 is filled with desiccant to absorb moisture in the air entering the load cabinet 1 and reduce the possibility of rust and short circuit of the components inside the load cabinet 1.

[0026] In this embodiment, the electronic load generates heat when it is working. The intake fan 2 draws outside air into the load cabinet 1, and the exhaust fan 3 discharges the hot air, thereby achieving air circulation and cooling.

[0027] Multiple fixed rods 12 are fixedly installed inside the drying chamber 4, and multiple movable rods 11 are movably installed inside the drying chamber 4. The movable rods 11 are installed in a staggered manner with the fixed rods 12. Multiple soft protrusions 13 are fixedly installed on the outside of both rods. The staggered movement of the protrusions rubs and kneads the hardened desiccant, avoiding rigid compression and breakage of the desiccant particles.

[0028] Furthermore, two locking blocks 5 are symmetrically fixedly installed on the outside of the load cabinet 1, and the drying chamber 4 is slidably locked between the two locking blocks 5, which makes it convenient for staff to disassemble the drying chamber 4 and replace the desiccant.

[0029] Furthermore, the drying chamber 4 has multiple third through holes 7 through the side near the load cabinet 1, and multiple first through holes 6 through the side away from the load cabinet 1.

[0030] Furthermore, a wind speed detection unit 16 is fixedly installed inside the load cabinet 1. The wind speed detection unit 16 is located at the air intake fan 2 exhaust port and is used to detect the wind speed at the air intake fan 2 exhaust port. When the wind speed decreases, it indicates that the incoming air is subject to increased resistance, that is, the desiccant particles are caking.

[0031] Furthermore, a sealing plate 8 is slidably inserted into the bottom of the drying chamber 4, and multiple second through holes 9 are opened through the middle of the sealing plate 8. A base plate 10 is fixedly installed at the bottom of the sealing plate 8, and the bottom of the movable rod 11 is fixedly connected to the base plate 10.

[0032] In this embodiment, when the electronic load is idle, the sealing plate 8 and the second through hole 9 move upward, causing the second through hole 9 and the first through hole 6 to be misaligned, reducing the entry of external dust and moisture into the drying chamber 4 and the load cabinet 1, and extending the service life of the desiccant and the internal components of the load cabinet 1.

[0033] Furthermore, an electric push rod 15 is fixedly installed on the outside of the load cabinet 1. The electric push rod 15 is electrically connected to the wind speed detection unit 16. The output end of the electric push rod 15 is attached to the bottom of the base plate 10. A reset spring 14 is fixedly installed between the top of the base plate 10 and the bottom of the drying chamber 4. It is used to drive the base plate 10 and the movable rod 11 to reset. The reset spring 14 is movably sleeved around the movable rod 11.

[0034] In this embodiment, the desiccant inside the drying chamber 4 near the first through hole 6 clumps up first, affecting the air intake efficiency. The wind speed detection unit 16 detects a decrease in speed at the air outlet of the intake fan 2 and controls the electric push rod 15 to work through the data processor. The telescopic end of the electric push rod 15 extends, causing the base plate 10 and the movable rod 11 to move upward. The return spring 14 is compressed, and the soft protrusion 13 rubs the desiccant particles, dispersing the clumped desiccant particles and ensuring the air intake efficiency of the intake fan 2. At the same time, it can also move the desiccant particles located inside to the first through hole 6, so that the desiccant particles are fully utilized. The telescopic end of the electric push rod 15 shortens, and the base plate 10 and the movable rod 11 move downward and reset under the elastic force of the return spring 14. If the wind speed detection unit 16 detects that the wind speed still does not reach the set standard after the electric push rod 15 extends and retracts multiple times, it means that the desiccant particles have been used up and need to be replaced by the staff.

[0035] Specific working methods:

[0036] When the electronic load is working, it generates heat. The intake fan 2 draws outside air into the load cabinet 1, and the exhaust fan 3 expels the hot air, thereby achieving air circulation and cooling.

[0037] When the electronic load is idle, the telescopic end of the electric push rod 15 extends, causing the sealing plate 8 and the second through hole 9 to move upward, so that the second through hole 9 and the first through hole 6 are misaligned, reducing the entry of external dust and moisture into the drying chamber 4 and the load cabinet 1, and extending the service life of the desiccant and the internal components of the load cabinet 1.

[0038] The desiccant inside the drying chamber 4 near the first through hole 6 clumps up first, affecting the air intake efficiency. The wind speed detection unit 16 detects a decrease in the speed at the air outlet of the intake fan 2 and controls the electric push rod 15 to work through the data processor. The telescopic end of the electric push rod 15 extends, causing the base plate 10 and the movable rod 11 to move upward. The return spring 14 is compressed, and the soft protrusion 13 rubs the desiccant particles, dispersing the clumped desiccant particles and ensuring the air intake efficiency of the intake fan 2. At the same time, it can also move the desiccant particles located inside to the first through hole 6, so that the desiccant particles are fully utilized. The telescopic end of the electric push rod 15 shortens, and the base plate 10 and the movable rod 11 move downward and reset under the elastic force of the return spring 14.

[0039] If the wind speed detection unit 16 detects that the wind speed still does not reach the set standard after the electric push rod 15 has been extended and retracted multiple times, it means that the desiccant particles have been used up and need to be replaced by staff.

[0040] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A multifunctional source dual-purpose electronic load, comprising a load cabinet (1), an exhaust fan (3) for discharging hot air is installed on the top of the load cabinet (1) in communication, an air inlet fan (2) for inhaling external air is installed on the outer side of the load cabinet (1) near the bottom in communication, characterized in that: The load cabinet body (1) outside clamps the drying bin (4) matched with the air inlet fan (2), the drying bin (4) is filled with drying agent inside; A plurality of fixed rods (12) are fixedly installed inside the drying bin (4), a plurality of movable rods (11) are movably installed inside the drying bin (4), the movable rods (11) are installed in a staggered manner with the fixed rods (12), and a plurality of soft protrusions (13) are fixedly installed on the outer sides of the movable rods (11) and the fixed rods (12).

2. The multifunctional source-carrier dual-purpose electronic load as described in claim 1, characterized in that: The load cabinet body (1) is symmetrically fixedly installed with two clamping blocks (5) on the outside, and the drying bin (4) is slidingly clamped between the two clamping blocks (5).

3. The multifunctional source-carrier dual-purpose electronic load as described in claim 1, characterized in that: A plurality of third through holes (7) are penetratingly formed on the side of the drying bin (4) close to the load cabinet body (1), and a plurality of first through holes (6) are penetratingly formed on the side of the drying bin (4) away from the load cabinet body (1).

4. The multifunctional source-carrier dual-purpose electronic load as described in claim 1, characterized in that: The load cabinet body (1) is fixedly installed with a wind speed detection unit (16) on the inside, and the wind speed detection unit (16) is located at the air outlet position of the air inlet fan (2).

5. A multifunctional source-carrier dual-purpose electronic load as described in claim 4, characterized in that: The bottom of the drying bin (4) is slidingly inserted with a sealing plate (8), a plurality of second through holes (9) are penetratingly formed in the middle of the sealing plate (8), a bottom plate (10) is fixedly installed on the bottom of the sealing plate (8), and the bottom of the movable rod (11) is fixedly connected with the bottom plate (10).

6. The dual-purpose electronic load of claim 5, wherein: the first and second DC power sources are connected in series; and the first and second DC power sources are connected in parallel. 5 The load cabinet body (1) is fixedly installed with an electric push rod (15) on the outside, the electric push rod (15) is electrically connected with the wind speed detection unit (16), the output end of the electric push rod (15) is attached to the bottom of the bottom plate (10), a reset spring (14) is fixedly installed between the top of the bottom plate (10) and the bottom of the drying bin (4), and the reset spring (14) is movably sleeved on the periphery of the movable rod (11).

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