CN219871715U - Battery internal resistance detects frock - Google Patents

Abstract

The utility model provides a battery internal resistance detection tool. The battery internal resistance detection tool comprises a support and a first detection meter pen and a second detection meter pen which are arranged on the support and used for detecting the battery internal resistance, wherein the support comprises a base used for supporting a battery, the first detection meter pen and the second detection meter pen are respectively arranged at two ends of the base, the detection centers of the first detection meter pen and the second detection meter pen are collinear, and the first detection meter pen can move towards the direction of the second detection meter pen. The utility model has simple structure, is convenient for detection personnel to operate, improves the working efficiency, and can be compatible with batteries with different sizes for detection.

Description

Battery internal resistance detects frock

Technical Field

The utility model relates to the technical field of battery detection equipment, in particular to a battery internal resistance detection tool.

Background

At present, the detection of the internal resistance of the battery is manually operated, a detector needs to hold an anode meter pen and a cathode meter pen of the internal resistance tester, and the anode meter pen and the cathode meter pen are respectively abutted with an anode post and a cathode post of the battery for testing. In actual operation, a detector needs to hold the internal resistance tester by two hands for continuous repeated detection, and a large number of batteries to be detected can bring larger workload, cause mechanical fatigue and reduce the working efficiency; meanwhile, the manual detection has misoperation, for example, the contact of a meter pen and a battery pole is not in place, so that the accuracy of a test result can be influenced.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides the battery internal resistance detection tool which is simple in structure, convenient for detection personnel to operate, capable of improving the operation efficiency and compatible with batteries with different sizes for detection.

The utility model provides a battery internal resistance detection tool which comprises a support, a first detection meter pen and a second detection meter pen, wherein the first detection meter pen and the second detection meter pen are arranged on the support and used for detecting the battery internal resistance, the support comprises a base used for supporting a battery, the first detection meter pen and the second detection meter pen are respectively arranged at two ends of the base, the detection centers of the first detection meter pen and the second detection meter pen are collinear, and the first detection meter pen can move towards the second detection meter pen.

The utility model has the preferable technical scheme that: the sliding assembly comprises a sliding plate and a sliding piece connected with the sliding plate and the support, and a first fixing piece used for fixing the first detection meter pen is arranged on the sliding plate.

The sliding component is used for driving the first detection meter pen to move, changing the distance between the first detection meter pen and the second detection meter pen, being compatible with batteries of different sizes, and realizing the measurement of batteries of different length sizes.

The utility model has the preferable technical scheme that: the detection end of the first detection meter pen faces the base, the first detection meter pen is arranged on the first fixing piece, the first fixing piece comprises a first baffle plate and a buffer spring, the detection end of the first detection meter pen is provided with a flange, and a first detection hole for stopping the flange and accommodating the detection end of the first detection meter pen is formed in the first baffle plate.

The first detection hole stop can stop a flange on the first detection meter pen so as to limit the first detection meter pen between the first baffle plate and the sliding plate, and the detection end of the first detection meter pen passes through the first detection hole and contacts with the battery pole.

The utility model has the preferable technical scheme that: and two ends of the buffer spring are respectively abutted against the flange and the sliding plate.

The buffer spring can buffer when the first detection meter pen is pressed down to contact with the battery pole, so that the first detection meter pen is prevented from being damaged due to hard contact with the battery pole.

The utility model has the preferable technical scheme that: the base comprises a bottom plate and a positioning piece arranged on the bottom plate, a first positioning groove is formed in the bottom plate, the positioning piece is inserted into the first positioning groove, a second positioning groove is formed in the positioning piece, and the battery is arranged in the second positioning groove.

The positioning piece is used for accommodating the battery; the positioning piece is inserted on the bottom plate and used for stabilizing the battery and preventing the battery from shaking in the testing process; the positioning piece with the second positioning grooves with different radial sizes can be replaced on the bottom plate to be compatible with batteries with different sizes, and measurement of the batteries with different radial sizes is achieved.

The utility model has the preferable technical scheme that: the bottom of the second positioning groove is provided with a channel penetrating through the bottom plate, and the second detection meter pen is arranged in the channel through a second fixing piece.

The utility model has the preferable technical scheme that: the second detection pen detection end is towards the sliding assembly, the second detection pen detection end is arranged on the second fixing piece, the second fixing piece comprises a second baffle and a set screw, the second baffle is connected with the positioning piece, the second detection pen detection end is provided with a flange, and a second detection hole for stopping the flange and accommodating the second detection pen detection end is formed in the second baffle.

The second baffle supports the second detection meter pen so that the second detection meter pen contacts with the other pole column of the battery, and the first detection meter pen and the second detection meter pen are respectively connected with the pole column of the battery to detect the internal resistance of the battery.

The utility model has the preferable technical scheme that: the second baffle is provided with a fixing hole communicated with the second detection hole, the central axis of the fixing hole is perpendicular to the central axis of the second detection hole, and the set screw is arranged in the fixing hole.

The holding screw is used for propping up the second detection meter pen, so that the second detection meter pen is prevented from shaking in the second detection hole.

The utility model has the preferable technical scheme that: the first detection hole central axis and the second detection hole central axis are collinear.

The centers of the first detection pen detection end and the second detection pen detection end are located on the same straight line, and the first detection pen and the second detection pen are close to each other and respectively contacted with the two poles of the battery so as to ensure measurement effectiveness.

The utility model has the preferable technical scheme that: the sliding plate is characterized by further comprising a power cylinder, wherein the power cylinder is arranged on the support, and the piston end of the power cylinder is connected with the sliding plate.

When the piston end of the power cylinder stretches out, the first detection meter pen approaches to the second detection meter pen, and the detection ends of the first detection meter pen and the second detection meter pen contact with the battery pole to detect the internal resistance of the battery.

The battery internal resistance detection tool has the following beneficial effects:

1. the first detection meter pen is movably arranged on the support through the sliding component, and the distance between the first detection meter pen and the second detection meter pen is changed through moving the sliding component so as to measure the internal resistance of batteries with different length sizes;

2. the second detection meter pen is arranged on the support through the positioning piece, and batteries with different sizes can be accommodated by replacing the positioning piece with the second positioning groove with different radial sizes, so that internal resistance measurement can be carried out on the batteries with different radial sizes;

3. the buffer spring is arranged on the first fixing piece so as to prevent the first detection meter pen from hard contact when the first detection meter pen is close to the battery and contacts with the battery pole, and the first detection meter pen or the battery pole is prevented from being damaged.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model. In the drawings, like reference numerals are used to identify like elements. The drawings, which are included in the description, illustrate some, but not all embodiments of the utility model. Other figures can be derived from these figures by one of ordinary skill in the art without undue effort.

Fig. 1 is a front view of an embodiment of the present utility model.

Fig. 2 is a structural view of an embodiment of the present utility model.

Fig. 3 is a schematic view of a first fixing member according to an embodiment of the present utility model.

Fig. 4 is a schematic view of a second fixing member according to an embodiment of the present utility model.

Fig. 5 is a schematic view illustrating the installation of a battery in an embodiment of the present utility model.

In the figure: 10. a support; 101. a bolt; 11. a support post; 12. a bottom plate; 121. a first positioning groove; 13. a sliding assembly; 131. a sliding plate; 132. a slider; 14. a first fixing member; 141. a first baffle; 142. a first detection hole; 143. a buffer spring; 15. a second fixing member; 151. a second baffle; 152. a second detection hole; 153. a fixing hole; 16. a positioning piece; 161. a second positioning groove; 162. a channel; 21. a first detection stylus; 22. a second detection stylus; 201. a flange; 30. a power cylinder; 40. a manual valve; 50. and a battery.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be arbitrarily combined with each other.

Please refer to fig. 1 to 5. The utility model provides a battery internal resistance detects frock, includes support 10, first detection table pen 21 and second detection table pen 22, is provided with the base that is used for bearing battery 50 on the support 10, and first detection table pen 21 and second detection table pen 22 set up respectively in the base both ends and are used for contacting the two pole post of battery 50, and first detection table pen 21 can be in on the support 10 remove, second detection table pen 22 is close to. The first detection meter 21 and the second detection meter 22 are respectively contacted with two poles of the battery 50, and the first detection meter 21 and the second detection meter are externally connected with an internal resistance tester to detect the internal resistance of the battery 50.

The support 10 comprises a base and a support 11, and a sliding component 13 for driving the first detection stylus 21 to move is arranged on the support 11. Referring to fig. 1 and 2, in the present embodiment, the supporting column 11 is vertically disposed, the base is disposed at an end of the supporting column 11 near the bottom, the sliding component 13 is disposed above the base, the first detecting stylus 21 is disposed on the sliding component 13, and the second detecting stylus 22 is disposed on the base. When detecting internal resistance, the first detection meter 21 and the second detection meter 22 are externally connected with an internal resistance tester in advance, the battery 50 is placed on the base, the second detection meter 22 is contacted with a pole at the bottom of the battery 50, the sliding component 13 drives the first detection meter 21 to move downwards until the first detection meter 21 is contacted with the pole at the top of the battery 50, and the internal resistance tester is started to detect the internal resistance of the battery 50.

Referring to fig. 3, the sliding assembly 13 includes a sliding plate 131, a sliding member 132, and a first fixing member 14 disposed on the sliding plate 131 for fixing the first detecting stylus 21. The sliding plate 131 is a straight plate horizontally arranged, and two ends of the sliding plate are provided with sliding parts 132 slidably connected with the support 11, in this embodiment, the sliding parts 132 are bearings, and the bearings are sleeved on the support 11 to drive the first detection stylus 21 to move. The distance between the first detection stylus 21 and the second detection stylus 22 can be changed by moving the slide plate 131 to accommodate the detection of the internal resistances of the batteries 50 of different length sizes.

The first fixing piece 14 comprises a first baffle 141, the first baffle 141 is arranged at the bottom of the sliding plate 131, two ends of the first baffle 141 are provided with side plates connected with the sliding plate 131, so that the section of the first baffle 141 is concave, the bolt 101 is arranged on the side plates, and the first baffle 141 is connected with the sliding plate 131 through the bolt 101; the middle part of the first baffle 141 is provided with a first detection hole 142, and the aperture of the first detection hole 142 is smaller than the maximum radial dimension of the flange 201 at the detection end of the first detection pen 21, so that when the first detection pen 21 is placed on the first baffle 141, the flange 201 on the first detection pen 21 is stopped by the first detection hole 142, thereby preventing the first detection pen 21 from falling, and the first detection pen 21 is supported by the first baffle 141. The sliding plate 131 is provided with a through hole for avoiding the first detection meter pen 21, when the first baffle 141 is connected with the sliding plate 131, the first detection meter pen 21 is arranged upside down (namely, the detection end of the first detection meter pen 21 faces downwards) through the first baffle 141, the detection end of the first detection meter pen 21 is supported by the first baffle 141, and the other end of the first detection meter pen passes through the through hole and is externally connected with the internal resistance tester.

Preferably, the first baffle 141 is further provided with a buffer spring 143, and two ends of the buffer spring 143 are respectively connected with the flange 201 and the sliding plate 131 on the first detection stylus 21. When the sliding plate 131 drives the first detecting pen 21 to move downward to contact the pole of the battery 50, the buffer spring 143 can provide buffer for the first detecting pen 21, so as to avoid hard collision between the first detecting pen 21 and the pole of the battery 50, and damage to the first detecting pen 21 or the pole of the battery 50.

Referring to fig. 4 and 5, the base includes a base plate 12 and a positioning member 16 disposed on the base plate 12 for fixing the battery. The upper end surface of the bottom plate 12 is provided with a first positioning groove 121, and the positioning piece 16 is inserted into the first positioning groove 121. Preferably, the first positioning groove 121 has the same shape and size as the cross-sectional shape of the positioning member 16, so that the positioning member 16 does not shake when the positioning member 16 is inserted into the first positioning groove 121.

The upper end of the positioning member 16 is provided with a second positioning groove 161 for accommodating the battery 50, and the bottom of the second positioning groove 161 is provided with a channel 162 penetrating through the bottom plate 12 for accommodating the second detection stylus 22. The size of the second positioning groove 161 is the same as that of the battery 50 to be measured, so as to avoid shaking when the battery 50 is placed in the second positioning groove 161. The internal resistance detection of the batteries 50 of different radial dimensions can be accommodated by replacing the positioning members 16 of the second positioning grooves 161 of different dimensions.

The locating piece 16 bottom is provided with the second mounting 15 that is used for fixing second detection table pen 22, and second mounting 15 includes the second baffle 151 that links to each other with locating piece 16, and second detection hole 152 has been seted up at the second baffle 151 middle part, and the aperture of second detection hole 152 is less than the biggest radial dimension of second detection table pen 22 detection end flange 201, and second detection table pen 22 detection end inserts and locates in the second detection hole 152, and second baffle 151 bearing second detection table pen 22 is in order to prevent that second detection table pen 22 from falling. Similarly, two ends of the second baffle 151 are provided with side plates, and the side plates are connected with the positioning member 16 through bolts 101. The second detecting pen 22 is just placed in the channel 162 through the second baffle 151, the detecting end of the second detecting pen 22 faces upwards to the bottom of the positioning piece 16, when the battery 50 is placed in the positioning piece 16, the pole at the bottom of the battery 50 is located in the channel 162, the detecting end of the second detecting pen 22 contacts with the pole of the battery 50 through the channel 162, and the other end of the detecting pen is connected with an external internal resistance tester.

Preferably, a fixing hole 153 communicating with the second detection hole 152 is provided on a sidewall of the second barrier 151. When the second detecting stylus 22 is located in the second detecting hole 152, the fastening screw is screwed into the fixing hole 153, so that the second detecting stylus 22 can be fixed on the second baffle 151, and the second detecting stylus 22 is prevented from shaking.

Taking the example of the detection cylindrical battery 50, when the first fixing member 14 and the second fixing member 15 are mounted, it is necessary to make the central axes of the first detection hole 142 and the second detection hole 152 collinear, so as to ensure that the first detection stylus 21 and the second detection stylus 22 can be in effective contact with the poles of the battery 50.

The top of the support 10 is also provided with a power cylinder 30, and the piston end of the power cylinder 30 is connected with a sliding plate 131 to control the sliding plate 131 to move so as to control the first detection stylus 21 to be in contact with the battery 50. The bottom of the support 10 is also provided with a manual valve 40, on which an air pipe is provided to communicate with the power cylinder 30, and an operator controls the elevation of the sliding plate 131 through the manual valve 40.

The specific working process of the utility model is as follows: selecting a locating piece 16 with a proper size of a second locating groove 161, inserting the locating piece 16 into the bottom plate 12, adjusting a second detection pen 22 on the second fixing piece 15, enabling the detection end of the second detection pen 22 to contact with a pole at the bottom of the battery 50, and screwing in a set screw to fix the second detection pen 22; placing the battery 50 into the second positioning groove 161, manually operating the manual valve 40 to enable the sliding plate 131 to descend, enabling the first detection pen 21 to be in contact with a pole at the top of the battery 50, starting the internal resistance tester, and recording test data; the manual valve 40 is operated to raise the slide plate 131, and the battery 50 is taken out, thereby completing the operation.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. The utility model provides a battery internal resistance detects frock, its characterized in that, including support (10) with set up in be used for detecting first detection table pen (21) and second detection table pen (22) of battery (50) internal resistance on support (10), support (10) are including the base that is used for bearing battery (50), first detection table pen (21) with second detection table pen (22) set up respectively in the base both ends, just first detection table pen (21) with the detection center of second detection table pen (22) is collinear, first detection table pen (21) can to second detection table pen (22) direction removes.

2. The battery internal resistance detection tool according to claim 1, further comprising a sliding assembly (13), wherein the sliding assembly (13) comprises a sliding plate (131) and a sliding piece (132) connecting the sliding plate (131) and the support (10), and a first fixing piece (14) for fixing the first detection stylus (21) is arranged on the sliding plate (131).

3. The battery internal resistance detection tool according to claim 2, wherein the detection end of the first detection stylus (21) faces the base, the first detection stylus is arranged on the first fixing piece (14), the first fixing piece (14) comprises a first baffle plate (141) and a buffer spring (143), the detection end of the first detection stylus (21) is provided with a flange (201), and a first detection hole (142) for stopping the flange (201) and accommodating the detection end of the first detection stylus (21) is formed in the first baffle plate (141).

4. A battery internal resistance detection tool according to claim 3, wherein both ends of the buffer spring (143) are respectively abutted against the flange (201) and the sliding plate (131).

5. A battery internal resistance detection tool according to claim 3, wherein the base comprises a bottom plate (12) and a positioning piece (16) arranged on the bottom plate (12), a first positioning groove (121) is formed in the bottom plate (12), the positioning piece (16) is inserted into the first positioning groove (121), a second positioning groove (161) is formed in the positioning piece (16), and the battery (50) is arranged in the second positioning groove (161).

6. The battery internal resistance detection tool according to claim 5, wherein a channel (162) penetrating through the bottom plate (12) is formed at the bottom of the second positioning groove (161), and the second detection stylus (22) is arranged in the channel (162) through a second fixing piece (15).

7. The battery internal resistance detection tool according to claim 6, wherein the detection end of the second detection stylus (22) faces the sliding component (13), the second detection stylus is arranged on the second fixing piece (15), the second fixing piece (15) comprises a second baffle plate (151) and a set screw, the second baffle plate (151) is connected with the positioning piece (16), the detection end of the second detection stylus (22) is provided with a flange (201), and a second detection hole (152) for stopping the flange (201) and accommodating the detection end of the second detection stylus (22) is formed in the second baffle plate (151).

8. The battery internal resistance detection tool according to claim 7, wherein a fixing hole (153) communicated with the second detection hole (152) is formed in the second baffle plate (151), a central axis of the fixing hole (153) is perpendicular to a central axis of the second detection hole (152), and a set screw is arranged in the fixing hole (153).

9. The battery internal resistance detection tool as recited in claim 7, wherein the first detection hole (142) and the second detection hole (152) are collinear.

10. The battery internal resistance detection tool according to claim 2, further comprising a power cylinder (30), wherein the power cylinder (30) is arranged on the support (10), and a piston end of the power cylinder (30) is connected with the sliding plate (131).