Electric quantity measuring instrument of battery pack

Abstract

The utility model discloses an electric quantity measuring instrument of a battery pack, which comprises a base shell, the upper surface of the base shell is provided with a slot for the insertion of the battery pack, the bottom of the slot is provided with a fixed support, the fixed support is provided with a power supply contact piece assembly electrically connected with the battery pack, the battery pack comprises a plurality of battery units, and the power supply contact piece assembly is electrically connected with the battery pack. When the power supply contact assembly is connected with the battery pack, the plurality of battery units are connected in series; a circuit board and an electric quantity displayer are arranged in the base shell, and the circuit board is electrically connected with the power supply contact piece assembly and the electric quantity displayer at the same time. According to the electric quantity measuring instrument, when the battery pack is inserted into the slot, the power supply contact piece assembly is connected with the battery pack to form a plurality of battery units which are connected in series, residual electric quantity is displayed through the electric quantity displayer, the electric quantity of the battery pack can be conveniently measured, and it is ensured that the electric quantity is enough to maintain stable operation of instruments in the operation process.

Description

Technical Field

[0001] The utility model relates to a power measuring instrument for a battery pack. Background Art

[0002] An electric laparoscopic stapler is a medical device used in minimally invasive surgeries. The battery pack is an important component that provides power for such medical devices. The battery pack is designed to be small, light, and easy to move and use in the operating room. To ensure the stable operation of the instrument during the surgery, the battery pack needs to have a high energy density and a long working time. The battery pack should be functionally tested before each use to ensure it is in good condition, including power testing. The Chinese patent with the application number 2022209760221 discloses a battery pack for an electric laparoscopic stapler, which realizes effective and precise installation through a simple structure, and is safe, reliable, and easy to operate. The applicant has designed a power measuring instrument for this battery pack. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a power measuring instrument for a battery pack to solve the technical problems mentioned in the above background art.

[0004] The technical solution to achieve the purpose of the utility model is: a power measuring instrument for a battery pack, including a base housing. A slot for inserting the battery pack is provided on the upper surface of the base housing. A fixed bracket is arranged at the bottom of the slot. A power contact piece assembly electrically connected to the battery pack is arranged on the fixed bracket. The battery pack includes a plurality of battery units. When the power contact piece assembly is connected to the battery pack, the plurality of battery units are connected in series. A circuit board and a power display are arranged in the base housing. The circuit board is electrically connected to both the power contact piece assembly and the power display.

[0005] Further, the base housing includes an upper housing and a lower housing, and the upper housing and the lower housing are fixedly connected. The slot is provided on the upper housing. The fixed bracket and the circuit board are both fixedly connected to the lower housing. A display window is provided on the upper housing, and the power display corresponds to the display window.

[0006] Further, a guiding column is arranged at the center of the fixed bracket, and the guiding column cooperates with the battery pack.

[0007] Further, a first guiding plate and a second guiding plate extend radially from the guiding column. The first guiding plate is perpendicular to the second guiding plate, and the sizes of the first guiding plate and the second guiding plate are inconsistent.

[0008] Further, the power contact piece assembly includes a first power contact piece, a second power contact piece and a third power contact piece. A plurality of vertical contact piece grooves are provided on the guide post, and the first power contact piece, the second power contact piece and the third power contact piece are all matched with the contact piece grooves.

[0009] Further, elastic convex portions are provided on the first power contact piece, the second power contact piece and the third power contact piece, and the elastic convex portions are connected to the battery pack.

[0010] Further, a working indicator light is also provided in the base housing, and the working indicator light is electrically connected to the circuit board.

[0011] Further, a recessed gripping portion is provided on the side wall of the base housing.

[0012] Adopting the above technical solutions, the present utility model has the following beneficial effects:

[0013] (1) When the battery pack of the power consumption measuring instrument of the present utility model is inserted into the slot, the power contact piece assembly is connected to the battery pack to form a series connection of a plurality of battery units, and the remaining power is displayed through the power display, which is convenient for measuring the power of the battery pack and ensuring that there is enough power to maintain the stable operation of the instrument during the operation.

[0014] (2) A guide post is provided in the center of the fixing bracket of the present utility model, which makes it more convenient for the battery pack to be inserted into the slot.

[0015] (3) The sizes of the first guide plate and the second guide plate of the present utility model are inconsistent, so that the battery pack is inserted into the slot in a predetermined direction, and it will not cause incorrect electrodes of the battery pack and unable to measure the power.

[0016] (4) A plurality of vertical contact piece grooves are provided on the guide post of the present utility model, so that the power contact piece is always embedded in the contact piece groove and will not be offset due to repeated use.

[0017] (5) Elastic convex portions are provided on the power contact piece of the present utility model, and the battery pack can be connected better and more stably through the elastic convex portions.

[0018] (6) A working indicator light is also provided in the base housing of the present utility model, and the state of the battery pack can be quickly judged through the working indicator light.

[0019] (7) A recessed gripping portion is provided on the side wall of the base housing of the present utility model, which is convenient for the user to pick up the power consumption measuring instrument. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to make the content of the present utility model easier to be clearly understood, the following further describes the present utility model in detail according to specific embodiments in conjunction with the drawings, wherein

[0021] Figure 1 This is a schematic structural diagram of the present utility model.

[0022] Figure 2 This is a schematic structural diagram of the fixing bracket of the present utility model.

[0023] Figure 3 This is a schematic structural diagram of the power contact piece assembly of the present utility model.

[0024] The reference numerals in the drawings are: base housing 1, upper housing 1-1, lower housing 1-2, slot 2, fixing bracket 3, guide post 3-1, first guide plate 3-2, second guide plate 3-3, contact piece groove 3-4, power contact piece assembly 4, first power contact piece 4-1, elastic protrusion 4-1-1, second power contact piece 4-2, third power contact piece 4-3, power quantity display 5, working indicator light 6, and holding part 7. Detailed implementation manners

[0025] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the accompanying drawings of the specification and specific implementation manners.

[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and shown in the accompanying drawings here can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the present utility model to be protected, but merely represents the selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts fall within the scope of protection of the present utility model.

[0028] It should be noted that: similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0029] In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, or the orientation or positional relationships in which the utility model product is customarily placed during use, or the orientation or positional relationships commonly understood by those skilled in the art. These are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0030] In the description of the embodiments of the present utility model, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The present utility model will be further described below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present utility model, and cannot be used to limit the protection scope of the present utility model.

[0031] (Embodiment 1)

[0032] See Figures 1-3 , a power meter for a battery pack, including a base housing 1. A slot 2 for inserting the battery pack is provided on the upper surface of the base housing 1. A fixing bracket 3 is provided at the bottom of the slot 2. A power contact piece assembly 4 electrically connected to the battery pack is provided on the fixing bracket 3. The battery pack includes a plurality of battery units. When the power contact piece assembly 4 is connected to the battery pack, the plurality of battery units are connected in series; a circuit board and a power display 5 are provided in the base housing 1. The circuit board is electrically connected to both the power contact piece assembly 4 and the power display 5. The battery pack corresponding to the power meter of this embodiment has four battery units, arranged in a rectangular shape, and the positive and negative poles of adjacent two battery units are opposite.

[0033] See Figure 1 , the base housing 1 includes an upper housing 1-1 and a lower housing 1-2, and the upper housing 1-1 and the lower housing 1-2 are fixedly connected; the slot 2 is provided on the upper housing 1-1, and the fixing bracket 3 and the circuit board are both fixedly connected to the lower housing 1-2; a display window is provided on the upper housing 1-1, and the power display 5 corresponds to the display window.

[0034] See Figure 2, a guiding column 3-1 is provided in the center of the fixing bracket 3. The guiding column 3-1 cooperates with the battery pack to facilitate the insertion of the battery pack into the slot 2. The guiding column 3-1 extends radially with a first guiding plate 3-2 and a second guiding plate 3-3. The first guiding plate 3-2 is perpendicular to the second guiding plate 3-3, and the sizes of the first guiding plate 3-2 and the second guiding plate 3-3 are inconsistent. In this embodiment, the extending length of the first guiding plate 3-2 along the radial direction of the guiding column is greater than that of the second guiding plate 3-3, so that the battery pack is inserted into the slot 2 in a predetermined direction, and the electrodes of the battery pack will not be misaligned and the power measurement cannot be performed.

[0035] See Figure 3 , the power contact assembly 4 includes a first power contact 4-1, a second power contact 4-2 and a third power contact 4-3. A plurality of vertical contact grooves 3-4 are provided on the guiding column 3-1, and the first power contact 4-1, the second power contact 4-2 and the third power contact 4-3 are all matched with the contact grooves 3-4. The power contacts are always embedded in the contact grooves 3-4, and the power contacts will not be offset due to repeated use.

[0036] Elastic convex portions 4-1-1 are provided on the first power contact 4-1, the second power contact 4-2 and the third power contact 4-3, and the elastic convex portions 4-1-1 are connected to the connecting pieces of the battery pack. Through the elastic convex portions 4-1-1, the battery pack can be connected better and more stably.

[0037] A working indicator light 6 is also provided in the base housing 1. The working indicator light 6 is electrically connected to the circuit board, and the state of the battery pack can be quickly judged through the working indicator light 6.

[0038] A recessed gripping portion 7 is provided on the side wall of the base housing 1 to facilitate the user to pick up the power measuring instrument.

[0039] When the battery pack is inserted into the slot 2 in this embodiment of the power measuring instrument, the power contact assembly 4 is connected to the battery pack to form a series connection of multiple battery units, and the remaining power is displayed through the power display 5, which is convenient for measuring the power of the battery pack and ensuring that there is enough power to maintain the stable operation of the instruments during the operation.

[0040] The specific embodiments described above further elaborate on the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above are only specific embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A power measuring instrument for a battery pack, characterized in that: It includes a base housing (1). A slot (2) for inserting a battery pack is provided on the upper surface of the base housing (1). A fixing bracket (3) is arranged at the bottom of the slot (2). A power contact component (4) electrically connected to the battery pack is arranged on the fixing bracket (3). The battery pack includes a plurality of battery cells. When the power contact component (4) is connected to the battery pack, the plurality of battery cells form a series connection. A circuit board and a power quantity display (5) are arranged in the base housing (1). The circuit board is electrically connected to both the power contact component (4) and the power quantity display (5).

2. The power measuring instrument for a battery pack according to claim 1, wherein: The base housing (1) includes an upper housing (1-1) and a lower housing (1-2). The upper housing (1-1) and the lower housing (1-2) are fixedly connected. The slot (2) is provided on the upper housing (1-1). Both the fixing bracket (3) and the circuit board are fixedly connected to the lower housing (1-2). A display window is provided on the upper housing (1-1). The power quantity display (5) corresponds to the display window.

3. The power measuring instrument for a battery pack according to claim 2, characterized in that: A guiding column (3-1) is arranged at the center of the fixing bracket (3). The guiding column (3-1) cooperates with the battery pack.

4. The electricity quantity measuring instrument of a battery pack according to claim 3, characterized in that: A first guiding plate (3-2) and a second guiding plate (3-3) extend radially from the guiding column (3-1). The first guiding plate (3-2) is perpendicular to the second guiding plate (3-3). The sizes of the first guiding plate (3-2) and the second guiding plate (3-3) are inconsistent.

5. The power measuring instrument of a battery pack according to claim 3, characterized in that: The power contact component (4) includes a first power contact (4-1), a second power contact (4-2) and a third power contact (4-3). A plurality of vertical contact grooves (3-4) are arranged on the guiding column (3-1). The first power contact (4-1), the second power contact (4-2) and the third power contact (4-3) are all matched with the contact grooves (3-4).

6. The electricity quantity measuring instrument of a battery pack according to claim 5, characterized in that: Elastic convex portions (4-1-1) are arranged on the first power contact (4-1), the second power contact (4-2) and the third power contact (4-3). The elastic convex portions (4-1-1) are connected to the battery pack.

7. The power measuring instrument of a battery pack according to claim 1, wherein: A working indicator light (6) is further arranged in the base housing (1). The working indicator light (6) is electrically connected to the circuit board.

8. The electricity quantity measuring instrument of a battery pack according to claim 1, characterized in that: A recessed gripping portion (7) is arranged on the side wall of the base housing (1).

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