Battery electric quantity detection device

By setting a rotary locked card connection hole at the bottom of the housing of the battery level detection device and setting the controller in the housing, automatic contact between the positive electrode and the negative electrode of the battery is achieved, the problems of inconvenient operation and low measurement efficiency of the existing device are solved, and detection efficiency and contact effect are improved.

CN222866838UActive Publication Date: 2025-05-13CHINESE PEOPLES LIBERATION ARMY UNIT 73123
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Patent Information

Application Number
CN202421137555.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-05-13
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

The existing battery capacity detection device is inconvenient to operate, has low measurement efficiency, and is prone to poor contact, resulting in inaccurate measurement results.

Method used

A battery power detection device is designed, including a housing, a display screen and a controller. By setting a card connection hole that can be rotatably locked with the battery at the bottom of the housing, and setting the controller in the housing, the positive electrode connecting column and the negative electrode connecting column of the controller extend out from the bottom of the housing, so that when the battery and the card connection hole are locked, the positive electrode and the negative electrode are automatically in contact to achieve electrical connection.

Benefits of technology

The device can realize electrical connection with the controller by rotating the locking battery, completing power detection, simple operation, good contact effect, and higher detection efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a battery electric quantity detection device, which comprises a shell, a display screen and a controller, the display screen is arranged at the top of the shell, the controller is arranged in the shell, and the controller is electrically connected with the display screen; the clamping hole capable of being rotationally locked with the battery is formed in the bottom of the shell, meanwhile, the controller is arranged in the shell, and the positive pole connecting column and the negative pole connecting column of the controller extend out of the bottom of the shell, so that the positive pole and the negative pole of the battery are in contact with the positive pole connecting column and the negative pole connecting column respectively when the battery is clamped with the clamping hole; and the controller is used for detecting the electric quantity of the battery and transmitting the electric quantity information to the display screen. According to the battery electric quantity detection device, the battery can be electrically connected with the controller only by rotating and locking the battery into the clamping hole, the electric quantity detection is completed, the operation is simple, the contact effect between the battery and the controller is good, and the detection efficiency is higher.
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Description

Technical Field

[0001] The utility model relates to the technical field of battery detection, in particular to a battery power detection device. Background Art

[0002] The battery power cannot be directly judged from its appearance. When the battery is not supplying power, it is often necessary to test its power to find out the specific reason for the battery power failure. The existing battery power detection device is mainly a multimeter, which detects the voltage between the positive and negative poles of the battery to determine the battery power. When using a multimeter for detection, it is necessary to contact the contact probe with the positive and negative poles of the battery, which requires a certain level of proficiency. If the operation is improper, poor contact is likely to occur, resulting in inaccurate measurement of the power. It is necessary to reconnect the probe to the battery and re-measure. Therefore, the existing battery power measurement device is not convenient to operate, and the measurement efficiency is low. Utility Model Content

[0003] The main technical problem solved by the utility model is to provide a battery power detection device, which solves the problem that the existing battery power measurement device is inconvenient to operate and has low measurement efficiency.

[0004] In order to solve the above technical problems, a technical solution adopted by the utility model is to provide a battery power detection device, including a shell, a display screen and a controller, the display screen is arranged on the top of the shell, the controller is arranged in the shell, and the controller is electrically connected to the display screen; the positive connecting column and the negative connecting column of the controller extend from the bottom of the shell, and a snap-in hole is arranged at the bottom of the shell, and the snap-in hole is configured to be rotationally locked with the battery. When the battery is locked with the snap-in hole, the positive and negative electrodes of the battery are electrically connected to the positive connecting column and the negative connecting column respectively, and the controller is used to detect the power of the battery and transmit the power information to the display screen.

[0005] In some embodiments, a groove is provided at the bottom of the shell, the groove is recessed toward the interior of the shell, a boss is provided in the middle of the groove, a mounting hole matching the positive electrode connecting column and the negative electrode connecting column is provided on the boss, the mounting hole is connected to the interior of the shell, the positive electrode connecting column and the negative electrode connecting column are respectively arranged in the two mounting holes, and the middle part of the battery is accommodated in the groove.

[0006] In some embodiments, the upper end of the boss extends to the interior of the shell, and a snap-in protrusion is provided at the upper end of the boss. The snap-in protrusion is enclosed on the outer side of the boss to form a snap-in groove, and the snap-in groove is used to snap-in with the controller.

[0007] In some embodiments, the cross-sectional shape of the groove is circular, and the groove includes a receiving portion and a contact portion, the contact portion is located at the lower side of the receiving portion, the diameter of the upper end of the contact portion is the same as that of the receiving portion, and the diameter of the contact portion gradually increases from top to bottom.

[0008] In some embodiments, there are two snap-in holes, which are respectively located on both sides of the groove and symmetrical with respect to the center of the groove. The snap-in holes include a locking portion and an unlocking portion. The unlocking portion is larger than the locking portion. The unlocking portion is configured to allow both ends of the battery to extend into or out of the shell, and the locking portion is configured to prevent both ends of the battery from extending from the inside of the shell; the positions of the two mounting holes correspond to the locking portion, and when the battery is locked with the locking portion, the positive and negative electrodes of the battery are in contact with the positive connecting column and the negative connecting column, respectively.

[0009] In some embodiments, a locking protrusion is provided at the lower portion of the clamping hole, and the locking protrusion extends along the inner side of the clamping hole toward the middle portion of the clamping hole.

[0010] In some embodiments, the housing includes an upper housing and a lower housing, and the upper housing is detachably connected to the lower housing.

[0011] In some embodiments, an adjustment button and a switch button are provided on the top of the shell, the adjustment button is used to adjust the gear of the detection voltage, and the switch button is used to control the opening and closing of the battery power detection device.

[0012] The beneficial effects of the utility model are as follows: in the utility model, a clamping hole capable of rotationally locking with a battery is provided at the bottom of the shell, and the controller is provided in the shell, and the positive and negative connecting posts of the controller extend from the bottom of the shell, so that when the battery is clamped with the clamping hole, the positive and negative electrodes of the battery are respectively in contact with the positive and negative connecting posts, thereby achieving electrical connection, and the controller detects the battery power and transmits the power information to the display screen. The battery power detection device can achieve electrical connection with the controller and complete the detection of power by simply rotating and locking the battery into the clamping hole, and the operation is simple, the contact effect between the battery and the controller is good, and the detection efficiency is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the bottom of an embodiment of the utility model;

[0015] Figure 3 This is a schematic diagram of the explosion structure of an embodiment of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the lower housing of an embodiment of the utility model;

[0017] Figure 5 It is a schematic cross-sectional structural diagram of the lower shell of an embodiment of the utility model. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the present invention, the present invention is described in more detail below in conjunction with the accompanying drawings and specific embodiments. The accompanying drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described in this specification. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0019] It should be noted that, unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this specification includes any and all combinations of one or more related listed items.

[0020] For the description of the present utility model, non-limiting Figure 1 The marks "front", "rear", "up", "down", "left" and "right" shown in the figure are used to facilitate understanding of the embodiment and are not intended to limit the present invention. Among them, the front-to-back direction represents the longitudinal direction, the left-to-right direction represents the transverse direction, and the up-down direction represents the vertical direction.

[0021] Figure 1-Figure 5 An embodiment of a battery power detection device of the utility model is shown, comprising a shell 1, a display screen 2 and a controller 3, wherein the display screen 2 is arranged on the top of the shell 1, and the controller 3 is arranged inside the shell 1, and the controller 3 is electrically connected to the display screen 2; a positive electrode connecting column 31 and a negative electrode connecting column 32 of the controller 3 extend from the bottom of the shell 1, and a snap-in hole 11 is arranged at the bottom of the shell 1, and the snap-in hole 11 is configured to be rotationally locked with a battery, and when the battery is locked with the snap-in hole 11, the positive and negative electrodes of the battery are electrically connected to the positive electrode connecting column 31 and the negative electrode connecting column 32 respectively, and the controller 3 is used to detect the power of the battery and transmit the power information to the display screen 2.

[0022] In the utility model, a clamping hole 11 capable of rotationally locking with a battery is provided at the bottom of the housing 1, and the controller 3 is provided in the housing 1, and the positive electrode connection column 31 and the negative electrode connection column 32 of the controller 3 extend from the bottom of the housing 1, so that when the battery is clamped with the clamping hole 11, the positive electrode and the negative electrode of the battery are respectively in contact with the positive electrode connection column 31 and the negative electrode connection column 32, thereby achieving electrical connection, and the controller 3 detects the battery power and transmits the power information to the display screen 2. The battery power detection device only needs to rotate and lock the battery into the clamping hole 11 to achieve electrical connection with the controller 3 and complete the detection of power, and the operation is simple, the contact effect between the battery and the controller 3 is good, and the detection efficiency is higher.

[0023] It should be noted that the battery power detection device can be used to detect lead-acid batteries, ternary lithium batteries and iron-lithium batteries, etc. The detection voltage of the device is 0V-99V and can be adjusted independently. The display screen 2 can display the voltage, power percentage and power count, so that the battery power can be understood more intuitively.

[0024] In some embodiments, Figure 2-Figure 5 As shown, a groove 12 is provided at the bottom of the housing 1, and the groove 12 is recessed toward the direction close to the inside of the housing 1. A boss 13 is provided in the middle of the groove 12, and a mounting hole 14 matching the positive electrode connection column 31 and the negative electrode connection column 32 is provided on the boss 13. The mounting hole 14 is communicated with the inside of the housing 1, and the positive electrode connection column 31 and the negative electrode connection column 32 are respectively provided in the two mounting holes 14, and the middle part of the battery is accommodated in the groove 12. By providing the groove 12 and the boss 13, and providing the mounting hole 14 matching the positive electrode connection column 31 and the negative electrode connection column 32 on the boss 13, after the battery is rotated and locked, the middle part of the battery is accommodated in the groove 12, and the top of the battery is in conflict with the boss 13, so that the positive and negative electrodes of the battery have a better contact effect with the positive electrode connection column 31 and the negative electrode connection column 32.

[0025] In some embodiments, Figure 2 and Figure 4 As shown, there are two snap-in holes 11, which are respectively located on both sides of the groove 12 and are symmetrical with respect to the center of the groove 12. The snap-in holes 11 include a locking portion 111 and an unlocking portion 112. The unlocking portion 112 is larger than the locking portion 111. The unlocking portion 112 is configured to allow both ends of the battery to extend into or out of the shell 1, and the locking portion 111 is configured to prevent both ends of the battery from extending from the inside of the shell 1; the positions of the two mounting holes 14 correspond to the locking portion 111, and when the battery is locked with the locking portion 111, the positive and negative electrodes of the battery are in contact with the positive connecting column 31 and the negative connecting column 32 respectively. When the battery is engaged with the engaging hole 11, the left and right ends of the battery extend into the shell 1 from the unlocking portion 112. At this time, the positive and negative poles of the battery are not in contact with the positive connecting column 31 and the negative connecting column 32. Then the battery is rotated, and the two ends of the battery are engaged and locked with the locking portion 111. The locking portion 111 can prevent the battery from extending from the inside of the shell 1. At this time, the positive and negative poles of the battery are in contact with the positive connecting column 31 and the negative connecting column 32 respectively, and the operation is simpler and more efficient.

[0026] In some embodiments, in combination Figure 2 and Figure 5As shown, the cross-sectional shape of the groove 12 is circular, and the groove 12 includes a receiving portion 121 and a contact portion 122. The contact portion 122 is located at the lower side of the receiving portion 121. The diameter of the upper end of the contact portion 122 is the same as that of the receiving portion 121, and the diameter of the contact portion 122 gradually increases from top to bottom. By arranging the contact portion 122 at the lower side of the receiving portion 121, the diameter of the contact portion 122 gradually increases from top to bottom, and is in the shape of a trumpet that expands outward, so that when the battery is rotationally locked with the clamping hole 11, the trumpet-shaped contact portion 122 can better cooperate with the rotation of the battery, prevent wear on the battery during the rotational locking process, and make the rotation process of the battery smoother.

[0027] In some embodiments, in combination Figure 3-Figure 5 As shown, the upper end of the boss 13 extends to the inside of the housing 1, the cross-sectional shape of the boss 13 is circular, and a snap-on protrusion 18 is provided at the upper end of the boss 13. In this embodiment, the snap-on protrusion 18 is annular, and the snap-on protrusion 18 is enclosed on the outer side of the boss 13 to form a snap-on groove 15, and the snap-on groove 15 is used to snap-on with the controller 3. When the controller 3 is snap-on in the snap-on groove 15, the positive electrode connection column 31 and the negative electrode connection column 32 of the controller 3 are just inserted into the two mounting holes 14, which facilitates the installation of the controller 3.

[0028] In some embodiments, Figure 4 and Figure 5 As shown, there are two clamping holes 11, which are respectively located on the left and right sides of the groove 12. A locking protrusion 113 is provided at the lower part of the clamping hole 11. There are two locking protrusions 113, which extend along the inner side of the clamping hole 11 to the middle part of the clamping hole 11. The locking protrusions 113 provided on the inner side of each clamping hole 11 are rotated and locked with the battery, and the two sides of the battery are clamped in the clamping hole 11 to fix the battery. The operation is simple, and the battery can be rotated after the position is aligned. When the battery is locked, the positive and negative electrodes of the battery are exactly in contact with the positive electrode connection column 31 and the negative electrode connection column 32 respectively, and the contact effect is better, which improves the detection efficiency.

[0029] In some embodiments, Figure 1-Figure 3 As shown, the housing 1 includes an upper housing 16 and a lower housing 17, and the upper housing 16 and the lower housing 17 are detachably connected, and the display screen 2 is arranged on the upper housing 16. The detachable connection can be a snap connection or a bolt connection, etc. In this embodiment, the upper housing 16 and the lower housing 17 are connected by bolts and can be disassembled at any time, which is convenient for repairing and replacing the internal controller 3 and other equipment.

[0030] In some embodiments, Figure 1-Figure 3 As shown, an adjustment button 4 and a switch button 5 are also provided on the top of the housing 1. The adjustment button 4 is used to adjust the gear of the detection voltage, and the switch button 5 is used to control the opening and closing of the detection device.

[0031] It can be seen that the utility model discloses a battery power detection device, including a shell, a display screen and a controller, the display screen is arranged on the top of the shell, the controller is arranged in the shell, and the controller is electrically connected to the display screen; by arranging a clamping hole that can be rotationally locked with the battery at the bottom of the shell, and arranging the controller in the shell at the same time, the positive connection column and the negative connection column of the controller extend from the bottom of the shell, so that when the battery is clamped with the clamping hole, the positive and negative electrodes of the battery are respectively in contact with the positive connection column and the negative connection column, thereby realizing electrical connection, and the controller detects the battery power and transmits the power information to the display screen. The battery power detection device only needs to rotate and lock the battery into the clamping hole to realize electrical connection with the controller and complete the detection of power, and the operation is simple, the contact effect between the battery and the controller is good, and the detection efficiency is higher.

[0032] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A battery power detection device, characterized in that: It includes a shell, a display screen and a controller, the display screen is arranged on the top of the shell, the controller is arranged in the shell, and the controller is electrically connected to the display screen; the positive connecting post and the negative connecting post of the controller extend from the bottom of the shell, and the bottom of the shell is provided with a snap-in hole, and the snap-in hole is configured to be rotationally locked with a battery, and when the battery is locked with the snap-in hole, the positive and negative electrodes of the battery are electrically connected to the positive connecting post and the negative connecting post respectively, and the controller is used to detect the power level of the battery and transmit the power level information to the display screen.

2. The battery capacity detection device according to claim 1, characterized in that: A groove is provided at the bottom of the shell, and the groove is recessed in the direction close to the interior of the shell. A boss is provided in the middle of the groove, and a mounting hole adapted to the positive connecting column and the negative connecting column is provided on the boss. The mounting hole is connected to the interior of the shell, and the positive connecting column and the negative connecting column are respectively arranged in the two mounting holes, and the middle part of the battery is accommodated in the groove.

3. The battery capacity detection device according to claim 2, characterized in that: The upper end of the boss extends to the inside of the shell, and a clamping protrusion is arranged on the upper end of the boss. The clamping protrusion is surrounded on the outer side of the boss to form a clamping groove, and the clamping groove is used for clamping with the controller.

4. The battery capacity detection device according to claim 2, characterized in that: The cross-sectional shape of the groove is circular, and the groove includes a receiving portion and a contact portion, the contact portion is located at the lower side of the receiving portion, the diameter of the upper end of the contact portion is the same as that of the receiving portion, and the diameter of the contact portion gradually increases from top to bottom.

5. The battery capacity detection device according to claim 2, characterized in that: There are two snap-in holes, which are respectively located on both sides of the groove and symmetrical with respect to the center of the groove. The snap-in holes include a locking portion and an unlocking portion. The unlocking portion is larger than the locking portion. The unlocking portion is configured to allow both ends of the battery to extend into or out of the shell, and the locking portion is configured to prevent both ends of the battery from extending from the inside of the shell. The positions of the two mounting holes correspond to the locking portion. When the battery is locked with the locking portion, the positive and negative electrodes of the battery are in contact with the positive connecting column and the negative connecting column, respectively.

6. The battery capacity detection device according to claim 1, characterized in that: A locking protrusion is arranged at the lower part of the clamping hole, and the locking protrusion extends along the inner side of the clamping hole toward the middle part of the clamping hole.

7. The battery capacity detection device according to claim 1, characterized in that: The shell comprises an upper shell and a lower shell, and the upper shell is detachably connected to the lower shell.

8. The battery capacity detection device according to claim 1, characterized in that: An adjustment button and a switch button are arranged on the top of the shell, wherein the adjustment button is used to adjust the gear of the detection voltage, and the switch button is used to control the opening and closing of the battery power detection device.