A voltage conversion device

Abstract

This invention discloses a voltage conversion device, relating to the field of voltage conversion equipment. The specific implementation includes: a housing, a trigger, moving contacts, and stationary contacts; the housing houses the trigger, and multiple moving contacts are arranged on both sides of the trigger; multiple stationary contacts are also arranged, with one end of each stationary contact extending outwards through a perforation; the trigger includes a trigger pressing component, a connecting rod, a first spring, and a moving rod; the pressing component is located at one end of the connecting rod, and the other end of the connecting rod has a moving rod; the first spring is sleeved on the outside of the connecting rod, and the moving contacts are located on both sides of the moving rod; when the trigger is pressed to the bottom, the conversion spring actuates the contacts, causing the moving rod to move upwards, thus achieving the switching of different voltage levels. This invention utilizes a conversion spring to actuate the contacts, causing the moving rod to move upwards, achieving the switching of different voltage levels. By using the same battery pack, dual voltage conversion can be performed, simultaneously adapting to machines with different voltages, exhibiting extremely high versatility.

Description

Technical Field

[0001] This invention relates to the field of voltage conversion equipment technology, and more particularly to a voltage conversion device. Background Technology

[0002] In modern electronic devices and energy storage systems, battery packs serve as the core energy supply unit, and their design and function directly affect the operating efficiency and performance of the equipment. However, traditional battery pack designs often only provide a single voltage output, which proves inadequate when dealing with devices requiring different voltage levels.

[0003] Battery pack design has primarily revolved around a single voltage output, simplifying the complexity of the battery management system (BMS) and reducing manufacturing costs. However, with the diversification and increasing complexity of electronic device functions, single-voltage output battery packs can no longer meet the needs of all devices. For example, some low-power devices may require lower voltage levels, while high-power devices require higher voltages to drive their high-performance components. This diversity of needs necessitates battery packs that can provide flexible voltage outputs to adapt to different operating conditions.

[0004] In traditional battery pack designs, battery cells are typically connected in series or parallel to achieve the required total voltage and capacity. However, this configuration limits the voltage output range of the battery pack, allowing it to provide only a fixed voltage level. This means that if the device requires a different voltage level, the user must carry multiple battery packs or use an external voltage conversion device, which not only increases cost but also adds complexity and weight to the system. Summary of the Invention

[0005] Based on this, the present invention provides a voltage conversion device to solve the problem that traditional battery pack designs can only provide a single voltage output.

[0006] This invention provides a voltage conversion device, comprising:

[0007] The device comprises a housing, a trigger, a moving contact, a stationary contact, and a conversion spring; the housing contains the trigger, and multiple moving contacts are provided on both sides of the trigger. Multiple stationary contacts are also provided, with one end of each stationary contact extending out of the housing through a perforation. A conversion spring is provided on each side of the trigger.

[0008] The trigger includes a trigger pressing component, a connecting rod, a first spring, and a moving rod; the pressing component is disposed at one end of the connecting rod, and the moving rod is disposed at the other end of the connecting rod; the first spring is sleeved on the outside of the connecting rod, and the moving contact is disposed on both sides of the moving rod;

[0009] When the trigger is pressed to the bottom, the switching spring actuates the contact, causing the trigger to move upward, thus switching between different voltage levels.

[0010] The moving contact is provided with 4 points, and 2 moving contacts are provided on each side of the moving rod. The moving contacts are symmetrically arranged with the moving rod as the axis of symmetry.

[0011] The moving contact includes a first moving contact, a second moving contact, a third moving contact, and a fourth moving contact. The first moving contact and the second moving contact are located on one side of the moving rod, and the third moving contact and the fourth moving contact are located on the other side of the moving rod.

[0012] There are six stationary contacts, including a first stationary contact, a second stationary contact, a third stationary contact, a fourth stationary contact, a fifth stationary contact, and a sixth stationary contact. The first, second, and third stationary contacts are symmetrically arranged with the fourth, fifth, and sixth stationary contacts about the moving rod as the axis of symmetry.

[0013] Let a be the distance between the first stationary contact and the second stationary contact, b be the distance between the second stationary contact and the third stationary contact, and c be the distance between the first moving contact and the second moving contact, where a < b and b = c;

[0014] The first stationary contact and the third stationary contact are connected in series via a nickel strip, and the fourth stationary contact and the fifth stationary contact are connected in series via a connecting nickel strip;

[0015] The second stationary contact is the first positive electrode, the third stationary contact is the first negative electrode, the fifth stationary contact is the second positive electrode, and the sixth stationary contact is the second negative electrode. The first positive electrode is electrically connected to the battery pack, and the second negative electrode is electrically connected to the battery pack.

[0016] An elastic element is also fixedly installed at the end of the moving rod near the trigger.

[0017] The elastic element includes a fixed frame and a connecting block. The fixed frame is fixed to the movable rod, and the connecting block is connected to the connecting rod.

[0018] The fixed frame has two snap-fit ​​pieces at each end, and the connecting block has two latches at each end.

[0019] The latching element and the latching tongue are connected by a conversion spring.

[0020] Beneficial effects: This invention utilizes a switching spring to drive the electric contact, causing the moving rod to move upward, thereby achieving the switching of different voltage levels. By using the same battery pack, dual voltage conversion can be performed, which can simultaneously adapt to machines with different voltages, making it highly versatile.

[0021] It should be understood that the description in this section is not intended to identify key or essential features of the embodiments of the present invention, nor is it intended to limit the scope of the invention. Other features of the invention will become readily apparent from the following description. Attached Figure Description

[0022] The accompanying drawings are provided for a better understanding of this solution and do not constitute a limitation of the invention. Wherein:

[0023] Figure 1 This is a schematic diagram of the working state provided by the present invention;

[0024] Figure 2 This is a schematic diagram of the free state provided by the present invention;

[0025] Figure 3 This is a simplified schematic diagram of the connection between the moving contact and the stationary contact in the working state provided by the present invention;

[0026] Figure 4 This is a simplified schematic diagram of the connection between the free-state moving contact and the stationary contact provided by the present invention;

[0027] Figure 5 This is a schematic diagram of the trigger structure provided according to the present invention;

[0028] Figure 6 This is a schematic diagram of the elastic element structure provided by the present invention;

[0029] Figure 7 This is a schematic diagram of the rear structure of the voltage conversion device provided according to the present invention. Detailed Implementation

[0030] The following description, in conjunction with the accompanying drawings, illustrates exemplary embodiments of the present invention, including various details to aid understanding. These details should be considered merely exemplary. Therefore, those skilled in the art will recognize that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the invention. Similarly, for clarity and brevity, descriptions of well-known functions and structures are omitted in the following description.

[0031] This invention provides a voltage conversion device, comprising:

[0032] The device comprises a housing 11, a trigger, moving contacts, stationary contacts, and a conversion spring 20. The housing 11 houses the trigger. Multiple moving contacts are located on both sides of the trigger. Multiple stationary contacts are also provided, with one end of each stationary contact extending outwards from the housing 11 through a perforation. A conversion spring 20 is located on each side of the trigger. A schematic diagram of the rear structure of the voltage conversion device is shown below. Figure 7 As shown.

[0033] The trigger includes a trigger pressing element 12, a connecting rod 13, a first spring 14, and a moving rod 15; the pressing element 12 is disposed at one end of the connecting rod 13, and the moving rod 15 is disposed at the other end of the connecting rod 13; the first spring 14 is sleeved on the outside of the connecting rod 13, and the moving contacts are disposed on both sides of the moving rod 15; the trigger structure is as follows. Figure 5 As shown.

[0034] When the trigger is pressed to the bottom, the switching spring 20 actuates the contact, causing the moving rod 15 to move upward, thereby switching between different voltage levels.

[0035] The moving contact is provided with 4 points, and 2 moving contacts are provided on each side of the moving rod 15, and the moving contacts are symmetrically arranged with the moving rod 15 as the axis of symmetry.

[0036] The moving contacts include a first moving contact 7, a second moving contact 8, a third moving contact 9, and a fourth moving contact 10. The first moving contact 7 and the second moving contact 8 are disposed on one side of the moving rod 15, and the third moving contact 9 and the fourth moving contact 10 are disposed on the other side of the moving rod 15.

[0037] There are 6 stationary contacts, including a first stationary contact 1, a second stationary contact 2, a third stationary contact 3, a fourth stationary contact 4, a fifth stationary contact 5, and a sixth stationary contact 6. The first stationary contact 1, the second stationary contact 2, and the third stationary contact 3 are symmetrically arranged with the fourth stationary contact 4, the fifth stationary contact 5, and the sixth stationary contact 6 about the moving rod 15 as the axis of symmetry.

[0038] Let a be the distance between the first stationary contact 1 and the second stationary contact 2, b be the distance between the second stationary contact 2 and the third stationary contact 3, and c be the distance between the first moving contact 7 and the second moving contact 8, where a < b and b = c;

[0039] That is, the distance between the first stationary contact 1 and the second stationary contact 2 is less than the distance between the second stationary contact 2 and the third stationary contact 3;

[0040] The distance between the second stationary contact 2 and the third stationary contact 3 is the same as the distance between the first moving contact 7 and the second moving contact 8;

[0041] The first stationary contact 1 and the third stationary contact 3 are connected in series via a nickel sheet 21, and the fourth stationary contact 4 and the fifth stationary contact 5 are connected in series via a nickel sheet 21;

[0042] The second stationary contact 2 is the first positive electrode, the third stationary contact 3 is the first negative electrode, the fifth stationary contact 5 is the second positive electrode, and the sixth stationary contact 6 is the second negative electrode. The first positive electrode is electrically connected to the battery pack, and the second negative electrode is electrically connected to the battery pack.

[0043] Specifically, when the voltage conversion device is in a free state (e.g.) Figure 2 and Figure 4 As shown), the first moving contact 7 is in contact with the second stationary contact 2, the second moving contact 8 is in contact with the third stationary contact 3, the third moving contact 9 is in contact with the fifth stationary contact 5, and the fourth moving contact 10 is in contact with the sixth stationary contact 6. That is, the first stationary contact 1 is disconnected from the fourth stationary contact 4, the second stationary contact 2 is connected to the fifth stationary contact 5, and the third stationary contact 3 is connected to the sixth stationary contact 6. The first stationary contact 1-the third stationary contact 3-the sixth stationary contact 6 are connected in series, and the second stationary contact 2-the fourth stationary contact 4-the fifth stationary contact 5 are connected in series. The first stationary contact 1-the third stationary contact 3-the sixth stationary contact 6 and the second stationary contact 2-the fifth stationary contact 5-the fourth stationary contact 4 are connected in parallel. The positive and negative terminals of the battery pack are electrically connected to the second stationary contact 2 and the sixth stationary contact 6, respectively.

[0044] When the voltage conversion device is in operation (e.g.) Figure 1 and Figure 3 As shown, when the trigger is pressed to the bottom, the spring 14 actuates the contacts, causing the entire trigger to move upward. At this time, the first moving contact 7 contacts the first stationary contact 1, and the third moving contact 9 contacts the fourth stationary contact 4. Since the distance between the first stationary contact 1 and the second stationary contact 2 is less than the distance between the second stationary contact 2 and the third stationary contact 3, and the distance between the second stationary contact 2 and the third stationary contact 3 is equal to the distance between the first moving contact 7 and the second moving contact 8, the second moving contact 8 does not contact the second stationary contact 2, and the fourth moving contact 10 does not contact the fifth stationary contact 5. In the working state, the second stationary contact 2-the third stationary contact 3-the first stationary contact 1-the fourth stationary contact 4-the fifth stationary contact 5-the sixth stationary contact 6 are connected in series.

[0045] An elastic element is also fixedly installed at one end of the movable lever 15 near the trigger. The structure of the elastic element is as follows: Figure 6 As shown.

[0046] The elastic element includes a fixed frame 16 and a connecting block 17. The fixed frame 16 is fixed to the moving rod 15, and the connecting block 17 is connected to the connecting rod 13.

[0047] The fixed frame 16 has two snap-fit ​​pieces 18 at each end, and the connecting block 17 has two snap-fit ​​tongues 19 at each end.

[0048] The snap-fit ​​18 and the snap-fit ​​tongue 19 are connected by a conversion spring 20.

[0049] When the trigger is pressed to the bottom, the trigger spring 20 will move the contact upward, which will cause the moving lever 15 to move upward as well.

[0050] There are two conversion springs 20, and the conversion springs 20 are symmetrically arranged about the connecting rod 13 as the axis of symmetry.

[0051] When the trigger is pressed to the bottom, the changeover spring 20 will cause the contact to move upward, and the changeover spring 20 will deform, changing the shape of the two changeover springs 20 from "Λ" shape to "V" shape.

[0052] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions within the technical scope disclosed in the present invention should be covered within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A voltage conversion device, characterized in that, include: The device comprises a housing, a trigger, a moving contact, a stationary contact, and a conversion spring; the housing contains the trigger, and multiple moving contacts are provided on both sides of the trigger. Multiple stationary contacts are also provided, with one end of each stationary contact extending out of the housing through a perforation. A conversion spring is provided on each side of the trigger. The trigger includes a trigger pressing component, a connecting rod, a first spring, and a moving rod; the pressing component is disposed at one end of the connecting rod, and the moving rod is disposed at the other end of the connecting rod; the first spring is sleeved on the outside of the connecting rod, and the moving contact is disposed on both sides of the moving rod; When the trigger is pressed to the bottom, the switching spring actuates the contact, causing the moving rod to move upward, thereby switching between different voltage levels.

2. The voltage conversion device according to claim 1, characterized in that: The moving contact is provided with 4 points, and 2 moving contacts are provided on each side of the moving rod. The moving contacts are symmetrically arranged with the moving rod as the axis of symmetry. The moving contact includes a first moving contact, a second moving contact, a third moving contact, and a fourth moving contact. The first moving contact and the second moving contact are located on one side of the moving rod, and the third moving contact and the fourth moving contact are located on the other side of the moving rod.

3. A voltage conversion device according to claim 2, characterized in that: There are six stationary contacts, including a first stationary contact, a second stationary contact, a third stationary contact, a fourth stationary contact, a fifth stationary contact, and a sixth stationary contact. The first, second, and third stationary contacts are symmetrically arranged with the fourth, fifth, and sixth stationary contacts about the moving rod as the axis of symmetry.

4. A voltage conversion device according to claim 3, characterized in that: Let a be the distance between the first stationary contact and the second stationary contact, b be the distance between the second stationary contact and the third stationary contact, and c be the distance between the first moving contact and the second moving contact, where a < b and b = c; The first stationary contact and the third stationary contact are connected in series via a nickel plate, and the fourth stationary contact and the fifth stationary contact are connected in series via a nickel plate; The second stationary contact is the first positive electrode, the third stationary contact is the first negative electrode, the fifth stationary contact is the second positive electrode, and the sixth stationary contact is the second negative electrode. The first positive electrode is electrically connected to the battery pack, and the second negative electrode is electrically connected to the battery pack.

5. A voltage conversion device according to claim 2 or 4, characterized in that: An elastic element is also fixedly installed at the end of the moving rod near the trigger.

6. A voltage conversion device according to claim 5, characterized in that: The elastic element includes a fixed frame and a connecting block. The fixed frame is fixed to the movable rod, and the connecting block is connected to the connecting rod.

7. A voltage conversion device according to claim 6, characterized in that: The fixed frame has two snap-fit ​​pieces at each end, and the connecting block has two latches at each end.

8. A voltage conversion device according to claim 7, characterized in that: The latching element and the latching tongue are connected by a conversion spring.

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