An electronic load device

Abstract

The utility model relates to electronic equipment technical field discloses an electronic load device, including shell, load device ontology and fixed plate, the load device ontology sets up in the shell inside, the shell inside both sides are provided with dustproof mechanism and dismounting mechanism, the dustproof mechanism includes fixed frame, the shell inner wall one side is provided with the bidirectional motor, the bidirectional motor both sides output end is connected with first rotary rod, one end of first rotary rod is provided with the cam, the fixed frame inside is provided with the filter screen, the cam and fixed frame between each other cooperate, one end of first rotary rod outer wall is provided with second bevel gear, the first bevel gear is meshed with the first bevel gear that second bevel gear outer wall is connected with. In the utility model, through setting dustproof mechanism, can prevent dust from entering the shell inside, and further prevent dust from causing harm to equipment, and further through setting dismounting mechanism, can filter screen is disassembled and is washed down, thereby avoiding dust accumulation to cause the decline of heat dissipation performance.

Description

Technical Field

[0001] This utility model relates to the field of electronic equipment technology, and in particular to an electronic load device. Background Technology

[0002] An electronic load is a device that dissipates electrical energy by controlling the power dissipation of power transistors through the control of internal power or the conduction of transistors (duty cycle). It can accurately detect load voltage, precisely adjust load current, and simulate load short circuits, including inductive, resistive, and capacitive loads, as well as the rise time of capacitive load current. It is generally indispensable for the debugging and testing of switching power supplies.

[0003] Currently, conventional electronic load devices generate heat during use. Generally, the outer casing of the device has ventilation holes for heat dissipation. However, prolonged use can cause dust to enter the casing, leading to damage to the electronic load device. At the same time, the dustproof devices are difficult to remove and clean. Over time, the accumulation of dust will reduce the heat dissipation effect, which in turn will cause the device temperature to rise and cause damage.

[0004] Therefore, those skilled in the art have provided an electronic load device to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this utility model is to address the shortcomings of existing technologies by proposing an electronic load device. Through the dustproof mechanism, dust can be prevented from entering the housing, thereby preventing dust from damaging the device. Furthermore, through the disassembly mechanism, the filter can be removed for cleaning, thus avoiding dust accumulation that leads to a decrease in heat dissipation performance.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] An electronic load device includes a housing, a load device body, and a fixing plate. The load device body is disposed inside the housing, and dustproof mechanisms and disassembly mechanisms are provided on both sides of the inside of the housing.

[0008] The dustproof mechanism includes a fixed frame, a bidirectional motor is provided on one side of the inner wall of the outer shell, the output ends of the bidirectional motor are connected to the first rotating rod, a cam is provided at one end of the first rotating rod, a filter screen is provided inside the fixed frame, the cam and the fixed frame cooperate with each other, a second bevel gear is provided on the outer wall of one end of the first rotating rod, and the outer wall of the second bevel gear is meshed with the first bevel gear.

[0009] The above technical solution, through the dustproof mechanism, can prevent dust from entering the casing, thereby preventing dust from damaging the equipment.

[0010] Furthermore, the disassembly mechanism includes a push rod, one end of which is connected to a push block, and a third spring is sleeved on the outer wall of one end of the push rod. A fixing plate is slidably disposed inside the outer shell and on one side of the fixing frame. A slot is formed through one end of the fixing plate. A cavity is formed on one side of the outer wall of the fixing frame. A second spring is disposed inside the cavity. One end of the second spring is connected to a locking block. The locking block and the locking slot are engaged and connected.

[0011] The above technical solution allows the filter to be removed for cleaning via a designed disassembly mechanism, thus preventing dust accumulation that could reduce heat dissipation performance.

[0012] Furthermore, a second rotating rod is provided on one side of the outer wall of the first bevel gear, a plurality of third bevel gears are sleeved on the outer wall of the second rotating rod, a fourth bevel gear is meshed with the outer wall of the third bevel gear, a rotating shaft is connected to one side of the outer wall of the fourth bevel gear, and a fan is sleeved on the outer wall of the rotating shaft;

[0013] The above technical solution enables multiple fans on both sides to rotate synchronously, thereby dissipating heat from the load device body.

[0014] Furthermore, a first spring is connected to the upper and lower ends of one side of the outer wall of the fixing plate, and the other end of the first spring is connected to the inner wall of the outer shell;

[0015] The above technical solution, in conjunction with the cam, causes the filter screen to vibrate, thereby shaking the dust off the filter screen.

[0016] Furthermore, heat dissipation plates are provided on both sides of the outer wall of the load device body;

[0017] The above technical solution is used to dissipate heat from the load device body.

[0018] Furthermore, limiting grooves are provided on both sides of the upper end face of the outer shell, and the limiting grooves and the fixing frame cooperate with each other;

[0019] The above technical solution enables the fixed frame to drive the filter screen to vibrate horizontally.

[0020] Furthermore, an anti-slip pad is provided at the bottom of the outer casing;

[0021] The above technical solutions improve the stability of the device during use.

[0022] Furthermore, a control button is provided on one side of the outer wall of the load device body, and the control button is electrically connected to the bidirectional motor;

[0023] The above technical solution facilitates the control of internal electrical components and makes operation convenient.

[0024] This utility model has the following beneficial effects:

[0025] 1. The electronic load device proposed in this utility model, when a lot of dust accumulates on the outer wall of the filter screen, controls a bidirectional motor to drive the first rotating rod to rotate via a control button, thereby causing the cam to continuously strike the fixed frame. At the same time, the first spring connected to one side of the fixed frame resets, causing the fixed frame to drive the filter screen to vibrate left and right continuously, thereby causing the dust on the surface of the filter screen to fall off. Simultaneously, the second bevel gear set on the outer wall of the first rotating rod drives the meshing first bevel gear to rotate, which in turn drives the second rotating rod to rotate, causing the third bevel gear sleeved on the outer wall of the second rotating rod to drive the meshing fourth bevel gear to rotate, which in turn drives the fan to rotate via the rotating shaft. Multiple fans can rotate synchronously to dissipate heat from the heat sink. The dustproof mechanism can prevent dust from entering the inner shell, thereby preventing dust from damaging the equipment.

[0026] 2. The electronic load device proposed in this utility model allows for the removal of the fixed frame from the housing for cleaning when a large amount of dust accumulates on the filter screen surface. Pushing the push rod inward causes the push block to push the locking block into the cavity, disengaging the locking block from the locking slot. Installation is simple: the fixed frame is inserted through the limiting groove, and once it reaches the designated position, the second spring resets, causing the locking block to re-engage in the locking slot, thus restoring the locking state and securing the fixed frame. The designed disassembly mechanism allows the filter screen to be removed for cleaning, preventing dust accumulation from reducing heat dissipation performance. Attached Figure Description

[0027] Figure 1 This is an isometric view of an electronic load device proposed in this utility model;

[0028] Figure 2 This is a cross-sectional view of a dustproof mechanism for an electronic load device proposed in this utility model.

[0029] Figure 3 This is a cross-sectional view of an electronic load device proposed in this utility model;

[0030] Figure 4 This is a schematic diagram of the internal structure of an electronic load device proposed in this utility model;

[0031] Figure 5 for Figure 2 Enlarged view of point A in the middle.

[0032] Legend:

[0033] 1. Dustproof mechanism; 101. Fixing frame; 102. Cam; 103. First rotating rod; 104. Filter screen; 105. Bidirectional motor; 106. Second rotating rod; 107. First bevel gear; 108. Second bevel gear; 109. Rotating shaft; 110. Third bevel gear; 111. Fourth bevel gear; 112. Fan; 2. Disassembly mechanism; 201. Push rod; 202. Fixing plate; 203. First spring; 204. Slot; 205. Cavity; 206. Second spring; 207. Locking block; 208. Third spring; 209. Push block; 3. Housing; 4. Load device body; 5. Control button; 6. Heat sink; 7. Limiting groove; 8. Anti-slip pad. Detailed Implementation

[0034] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments. Obviously, the described specific embodiments are only a part of the specific embodiments of the present invention, and not all of them. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0035] Reference Figures 1-4 The present invention provides a specific embodiment of an electronic load device, comprising a housing 3, a load device body 4 and a fixing plate 202. The load device body 4 is disposed inside the housing 3, and dustproof mechanism 1 and disassembly mechanism 2 are provided on both sides inside the housing 3.

[0036] The dustproof mechanism 1 includes a fixed frame 101, a bidirectional motor 105 installed on one side of the inner wall of the outer casing 3, and first rotating rods 103 connected to the output ends of the bidirectional motor 105 on both sides. A cam 102 is installed at one end of the first rotating rod 103. A filter screen 104 is installed inside the fixed frame 101. The cam 102 and the fixed frame 101 cooperate with each other. A second bevel gear 108 is installed on the outer wall of one end of the first rotating rod 103, and a first bevel gear 107 is meshed with the outer wall of the second bevel gear 108. Through the dustproof mechanism 1, [the dustproof mechanism can...] To prevent dust from entering the housing 3 and thus damaging the equipment, a second rotating rod 106 is provided on one side of the outer wall of the first bevel gear 107. Multiple third bevel gears 110 are sleeved on the outer wall of the second rotating rod 106. A fourth bevel gear 111 is meshed with the outer wall of the third bevel gear 110. A rotating shaft 109 is connected to one side of the outer wall of the fourth bevel gear 111. A fan 112 is sleeved on the outer wall of the rotating shaft 109, so that the multiple fans 112 on both sides can rotate synchronously to dissipate heat from the load device body 4.

[0037] Reference Figure 1 , Figure 2 and Figure 5The disassembly mechanism 2 includes a push rod 201, one end of which is connected to a push block 209. A third spring 208 is fitted on the outer wall of one end of the push rod 201. A fixing plate 202 is slidably disposed inside the outer casing 3 and on one side of the fixing frame 101. A slot 204 is formed through one end of the fixing plate 202. A cavity 205 is formed on one side of the outer wall of the fixing frame 101. A second spring 206 is disposed inside the cavity 205. One end of the second spring 206 is connected to a locking block 207. The locking block 207 and the slot 204 are engaged. Through the disassembly mechanism 2, the filter screen 104 can be disassembled for cleaning, thereby avoiding dust accumulation that would reduce heat dissipation performance. The upper and lower ends of one side of the outer wall of the fixing plate 202 are connected to the third spring 208. A spring 203 is provided, with its other end connected to the inner wall of the outer casing 3. It cooperates with the cam 102 to cause the filter screen 104 to vibrate, thereby shaking the dust off the filter screen 104. Heat dissipation plates 6 are provided on both sides of the outer wall of the load device body 4 to dissipate heat from the load device body 4. Limiting grooves 7 are provided on both sides of the upper surface of the outer casing 3. The limiting grooves 7 and the fixing frame 101 cooperate with each other, so that the fixing frame 101 drives the filter screen 104 to vibrate horizontally. Anti-slip pads 8 are provided at the bottom of the outer casing 3 to improve the stability of the device during use. A control button 5 is provided on one side of the outer wall of the load device body 4. The control button 5 is electrically connected to the bidirectional motor 105 to facilitate the control of the electrical components inside the device and make the operation convenient.

[0038] Working principle: When a lot of dust accumulates on the outer wall of the filter screen 104, the bidirectional motor 105 is controlled by the control button 5 to drive the first rotating rod 103 to rotate, thereby causing the cam 102 to continuously strike the fixed frame 101. At the same time, the first spring 203 connected to one side of the fixed frame 101 returns to its original position, causing the fixed frame 101 to drive the filter screen 104 to vibrate left and right continuously, thereby causing the dust on the surface of the filter screen 104 to fall off. Meanwhile, the second bevel gear 108 set on the outer wall of the first rotating rod 103 drives the meshing first bevel gear 107 to rotate, which in turn drives the second rotating rod 106 to rotate, causing the third bevel gear 110 sleeved on the outer wall of the second rotating rod 106 to drive the meshing fourth bevel gear 111. The rotation, in turn, drives the fan 112 to rotate via the rotating shaft 109. Multiple fans 112 can rotate synchronously to expel heat from the heat sink 6. When a lot of dust accumulates on the surface of the filter screen 104, the push rod 201 is pushed inward, causing the push block 209 to push the locking block 207 into the cavity 205, so that the locking block 207 and the slot 204 are disengaged. Thus, the fixing frame 101 can be removed from the housing 3 for cleaning. Installation only requires placing the fixing frame 101 into the limiting groove 7. After reaching the designated position, the second spring 206 resets, causing the locking block 207 to re-engage into the slot 204, thus restoring the engagement state and fixing the fixing frame 101 in place.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing specific embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An electronic load device, comprising a housing (3), a load device body (4), and a fixing plate (202), characterized in that: The load device body (4) is located inside the outer shell (3), and the outer shell (3) is provided with a dustproof mechanism (1) and a disassembly mechanism (2) on both sides inside the outer shell (3); The dustproof mechanism (1) includes a fixed frame (101), a bidirectional motor (105) is provided on one side of the inner wall of the outer shell (3), the output ends of the bidirectional motor (105) are connected to a first rotating rod (103), a cam (102) is provided at one end of the first rotating rod (103), a filter screen (104) is provided inside the fixed frame (101), the cam (102) and the fixed frame (101) cooperate with each other, a second bevel gear (108) is provided on the outer wall of one end of the first rotating rod (103), and a first bevel gear (107) is meshed with the outer wall of the second bevel gear (108).

2. The electronic load device according to claim 1, characterized in that: The disassembly mechanism (2) includes a push rod (201), one end of which is connected to a push block (209). A third spring (208) is sleeved on the outer wall of one end of the push rod (201). A fixing plate (202) is slidably disposed inside the outer shell (3) and on one side of the fixing frame (101). A slot (204) is provided through one end of the fixing plate (202). A cavity (205) is provided on one side of the outer wall of the fixing frame (101). A second spring (206) is disposed inside the cavity (205). A locking block (207) is connected to one end of the second spring (206). The locking block (207) and the slot (204) are engaged and connected.

3. The electronic load device according to claim 1, characterized in that: A second rotating rod (106) is provided on one side of the outer wall of the first bevel gear (107). A plurality of third bevel gears (110) are sleeved on the outer wall of the second rotating rod (106). A fourth bevel gear (111) is meshed with the outer wall of the third bevel gear (110). A rotating shaft (109) is connected to one side of the outer wall of the fourth bevel gear (111). A fan (112) is sleeved on the outer wall of the rotating shaft (109).

4. The electronic load device according to claim 1, characterized in that: The upper and lower ends of one side of the outer wall of the fixing plate (202) are connected to the first spring (203), and the other end of the first spring (203) is connected to the inner wall of the outer shell (3).

5. An electronic load device according to claim 1, characterized in that: Heat dissipation plates (6) are provided on both sides of the outer wall of the load device body (4).

6. An electronic load device according to claim 1, characterized in that: Limiting grooves (7) are provided on both sides of the upper surface of the outer shell (3), and the limiting grooves (7) and the fixing frame (101) cooperate with each other.

7. An electronic load device according to claim 1, characterized in that: The bottom of the outer shell (3) is provided with an anti-slip pad (8).

8. An electronic load device according to claim 1, characterized in that: A control button (5) is provided on one side of the outer wall of the load device body (4), and the control button (5) is electrically connected to the bidirectional motor (105).

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