A fixture for improving the efficiency of measuring the terminal voltage of a storage battery

Abstract

The application relates to a clamp for improving the measuring efficiency of battery terminal voltage, which comprises an insulating threaded connecting rod and a multimeter probe, an insulating handle is fixedly installed in the middle section of the insulating threaded connecting rod, sleeves are installed on the two sides of the insulating threaded connecting rod, first fastening bolts and second fastening bolts are arranged on the two sides of the insulating handle and the sleeves respectively, and the multimeter probes are fixedly installed in the two sleeves respectively; an adjusting structure is connected between the two sleeves, and the adjusting structure is used for ensuring that the interval and the inclination angle of the two sleeves relative to the insulating handle are consistent; the clamp can effectively solve the problem that the multimeter cannot be held in hand to read the data when the multimeter probes are held in both hands to measure, and can easily adjust the interval of the two multimeter probes, thereby improving the safety of measurement.

Description

Technical Field

[0001] This invention relates to a fixture for improving the efficiency of battery terminal voltage measurement, belonging to the field of voltage measurement technology. Background Technology

[0002] Substation battery banks typically have a large number of cells and require frequent terminal voltage measurements. Current measurement methods require holding the multimeter in one hand and two probes in the other. This single-handed operation makes it difficult to control the probes, potentially causing poor contact between the probes and the battery terminals and leading to measurement errors. Furthermore, when switching to another battery after testing one, the probes are prone to slipping and damaging the multimeter probe tips. Additionally, placing the multimeter on the ground, a shelf, or the battery itself makes moving the measurement difficult, and haphazard placement of the multimeter compromises work safety.

[0003] Chinese Patent Publication No. CN104535816A discloses a connection device for multimeters used for battery measurement. The device includes two fixed sleeves fitted onto a test pen. A rotatable turntable is mounted on each sleeve. The outer end of the turntable's shaft is a screw, and the inner end is a smooth rod. The smooth rod is movably connected to the fixed sleeve. A connecting rod is fitted onto the screw and a locking nut is screwed on. This device allows one person to accurately and quickly measure the battery voltage, but it does not allow for convenient adjustment of the distance between the multimeter probes.

[0004] Therefore, it is very meaningful to design a device that can effectively solve the problem of using a multimeter probe with one hand for measurement and conveniently adjust the distance between the multimeter probes. Summary of the Invention

[0005] To address the aforementioned problems in existing technologies, this invention provides a fixture that improves the efficiency of battery terminal voltage measurement. It enables single-handed control of two measuring probes, reducing the danger of having to place the multimeter within the field of vision and requiring the operator to shift their attention to observe the multimeter reading during traditional two-handed measurements.

[0006] The technical solution of the present invention is as follows:

[0007] A fixture for improving the efficiency of battery terminal voltage measurement includes an insulated threaded rod and multimeter probes. An insulated handle is fixedly installed in the middle section of the insulated threaded rod, and sleeves are installed on both sides of the insulated threaded rod. A first fastening bolt and a second fastening bolt are respectively provided on both sides of the insulated handle and the sleeves. The multimeter probes are fixedly installed in the sleeves on both sides. An adjustment structure is connected between the sleeves on both sides to ensure that the distance and tilt angle between the sleeves on both sides relative to the insulated handle are consistent.

[0008] The adjustment structure includes a first rack and a second rack. The first rack is fixed to the back of one side of the sleeve, and the second rack is fixed to the front of the other side of the sleeve. The first rack and the second rack are staggered. A gear is rotatably connected to the insulating handle directly below it via a rotating rod. The gear meshes with the first rack and the second rack.

[0009] The adjustment structure further includes a mounting plate with a sliding groove. Both sides of the sliding groove are provided with wavy sliding teeth. A sliding block is fixedly provided on the upper end of the smooth surface of the first and second racks. Limiting structures that cooperate with the sliding teeth are provided on both sides of the sliding block. The sleeves on both sides are fixedly connected to the limiting structures.

[0010] The limiting structure includes springs on both sides of the sliding block. Each spring has a raised sliding piece that slides in cooperation with the sliding teeth. An adjusting plate is provided on the top of the sliding block. One end of the adjusting plate extends beyond the mounting plate, and the portion of the adjusting plate extending beyond the mounting plate is fixedly connected to the sleeves on both sides.

[0011] The adjusting plate is fixedly connected to the sleeves on both sides on the side away from the gear.

[0012] The top of the adjustment plate is designed with a wavy anti-slip surface.

[0013] The sleeve further includes a fixing plate at its front end, and a connecting rod connection port is provided on the fixing plate. The sleeve is fitted onto the insulating threaded connecting rod through the connecting rod connection port, and the first fastening bolt and the second fastening bolt respectively abut against both sides of the connecting rod connection port.

[0014] The lower section of the insulating handle is provided with a threaded connection port, and the insulating handle is fixed to the insulating threaded connecting rod through the threaded connection port. The first fastening bolt and the second fastening bolt respectively abut against both sides of the threaded connection port.

[0015] The sleeve has a locking screw threaded through its side wall to secure the multimeter probes.

[0016] The present invention has the following beneficial effects:

[0017] This device, by fixing the sleeves and the spacing between the sleeves of the multimeter probes, allows for one-handed control of both measuring probes by holding an insulated handle. This reduces the number of personnel required for battery terminal voltage measurement, significantly lowering labor costs. It also reduces the danger of traditional two-handed measurements where the multimeter needs to be placed within the operator's field of vision, requiring the operator to shift their attention to observe the multimeter reading. Because both measuring probes and the multimeter can be controlled with both hands, it is easy to move the device to measure the terminal voltage of a large number of batteries, making operation more convenient and solving the problem of haphazardly placing the multimeter during previous measurements.

[0018] By adjusting the structure, the sliding adjustment plate can be used to move the sliding block, thereby moving the first or second rack located at the bottom of the sliding block. Since the first and second racks mesh with the gear, the first and second racks can be displaced in opposite directions at the same distance, thus ensuring that the spacing between the two sleeves is consistent, and thus ensuring that the spacing between the multimeter probes is consistent. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the clamp of the present invention.

[0020] Figure 2 This is a schematic diagram of the clamp adjustment structure of the present invention;

[0021] Figure 3 This is a schematic diagram of the clamp limiting structure of the present invention;

[0022] Figure 4 This is a schematic diagram of the insulating handle structure of the clamp of the present invention;

[0023] Figure 5 This is a schematic diagram of the sleeve structure of the clamp of the present invention.

[0024] The reference numerals in the figure are as follows:

[0025] 1. Insulated threaded connecting rod; 2. Multimeter probes; 3. Insulated handle; 4. Sleeve; 5. First fastening bolt; 6. First rack; 7. Second rack; 8. Gear; 9. Mounting plate; 51. Second fastening bolt; 31. Threaded connection port; 32. Rotating rod; 41. Fixing plate; 42. Connecting rod connection port; 43. Locking screw; 91. Sliding groove; 92. Sliding tooth; 93. Sliding block; 94. Spring; 95. Protruding sliding piece; 96. Adjusting plate. Detailed Implementation

[0026] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0027] Please see Figure 1 , Figure 2 The invention provides a technical solution:

[0028] A fixture for improving the efficiency of battery terminal voltage measurement includes an insulated threaded connecting rod 1 and multimeter probes 2. An insulated handle 3 is fixedly installed in the middle section of the insulated threaded connecting rod 1, and sleeves 4 are installed on both sides of the insulated threaded connecting rod 1. A first fastening bolt 5 and a second fastening bolt 51 are respectively provided on both sides of the insulated handle 3 and sleeves 4. The multimeter probes 2 are fixedly installed in the sleeves 4 on both sides. An adjustment structure is connected between the sleeves 4 on both sides to ensure that the distance and tilt angle of the sleeves 4 relative to the insulated handle 3 are consistent. Specifically, the adjustment structure can adjust the distance of the sleeves 4 on the insulated threaded connecting rod 1. For the same type of battery, the electrode spacing is fixed, and the distance of the sleeves 4 is determined according to the distance of the battery electrodes.

[0029] like Figure 2 As shown, the adjustment structure further includes a first rack 6 and a second rack 7. The first rack 6 is fixed to the back of one sleeve 4, and the second rack 7 is on the front of the other sleeve 4. The first rack 6 and the second rack 7 are staggered. A gear 8 is rotatably connected to the insulating handle 3 directly below it via a rotating rod 32. The gear 8 meshes with the first rack 6 and the second rack 7. Specifically, through the cooperation between the gear 8, the first rack 6, and the second rack 7, when the first rack 6 slides, it drives one sleeve 4 to slide, while the gear 8 rotates, causing the second rack 7 and the other sleeve 4 to move in opposite directions. The first rack 6 and the second rack 7 are of equal size, so the distance between the displacements of the two sleeves 4 can also remain consistent.

[0030] Furthermore, the adjustment structure also includes a mounting plate 9, on which a sliding groove 91 is provided. Both sides of the sliding groove 91 are provided with wave-shaped sliding teeth 92. Sliding blocks 93 are fixedly provided on the upper end of the smooth surface of the first rack 6 and the second rack 7. Limiting structures that cooperate with the sliding teeth 92 are provided on both sides of the sliding blocks 93. The sleeves 4 on both sides are fixedly connected to the limiting structures. Specifically, the design of the limiting structures can ensure controllability during sliding and make it easier to adjust the spacing of the sleeves 4.

[0031] like Figure 3As shown, the limiting structure further includes springs 94 on both sides of the sliding block 93. Each spring 94 has a raised sliding piece 95 fixedly connected to its outer side, which slides in conjunction with the sliding tooth 92. An adjusting plate 96 is provided on the top of the sliding block 93. One end of the adjusting plate 96 extends beyond the mounting plate 9, and the portion extending beyond the mounting plate 96 is fixedly connected to the sleeves 4 on both sides. Specifically, the protrusion of the raised sliding piece 95 matches the inwardly recessed portion of the wavy sliding tooth 92. By sliding the adjusting plate 96, the raised sliding piece 95 slides within the sliding groove 91. Under the action of force, the raised sliding pieces 95 on both sides compress inward, squeezing the spring 94, and slide through the outwardly protruding portion of the sliding tooth 92 until the next section of the inwardly recessed sliding tooth 92. This ensures a relatively stable displacement distance and guarantees a relatively precise spacing.

[0032] Furthermore, the side of the adjusting plate 96 away from the gear 8 is fixedly connected to the sleeves 4 on both sides.

[0033] Furthermore, the top of the adjustment plate 96 is designed with a wavy anti-slip surface.

[0034] like Figure 5 As shown, the sleeve 4 further includes a fixing plate 41 at the front end, and a connecting rod connection port 42 is provided on the fixing plate 41. The sleeve 4 is sleeved on the insulating threaded connecting rod 1 through the connecting rod connection port 42. The first fastening bolt 5 and the second fastening bolt 51 respectively abut against the two sides of the connecting rod connection port 42. Specifically, the connecting rod connection port 42 is not threaded. Since the connecting rod connection port 42 is the fixing port of the sleeve 4, the left and right sleeves 4 must maintain the same angle. If the connecting rod connection port 42 is threaded, the angle of the two sleeves 4 will easily be inconsistent after a slight rotation, causing measurement error.

[0035] like Figure 4 Furthermore, the lower section of the insulating handle 3 is provided with a threaded connection port 31. The insulating handle 3 is fixed to the insulating threaded connecting rod 1 through the threaded connection port 31. The first fastening bolt 5 and the second fastening bolt 51 respectively abut against both sides of the threaded connection port 31. The threaded connection port 31 can be threadedly connected to the insulating threaded connecting rod 1 and clamped and fixed by the first fastening bolt 5 and the second fastening bolt 51 to maintain stability.

[0036] Furthermore, locking screws 43 are threaded through the side wall of the sleeve 4 to secure the multimeter probes 2. Specifically, the sleeve 4 is mounted on the insulated threaded connecting rod 1, and the multimeter probes 2 are inserted into the sleeve 4. Several locking screws 43 are threaded through the side wall of the sleeve 4 to reach the multimeter probes 2 inside the sleeve 4, thereby achieving the effect of fixing the multimeter probes 2.

[0037] Working principle and implementation examples:

[0038] After determining the required spacing using different battery models, the sliding adjustment plate 96 is used to slide the raised sliding piece 95 within the sliding groove 91. Under the action of force, the raised sliding pieces 95 on both sides are compressed inward, squeezing the spring 94 and sliding through the outward protrusion of the sliding tooth 92 until the next section where the sliding tooth 92 is recessed inward. Since the adjustment plate 96 is fixedly connected to the sleeve 4, the sleeve 4 is simultaneously displaced. At this time, the first rack 6 slides under the action of the adjustment plate 96, driving the gear 8 to rotate and causing the second rack 7 to move in the opposite direction to the sleeve 4 on the other side, thereby completing the adjustment of the spacing of the sleeve 4. It is then fixed by the first fastening bolt 5 and the second fastening bolt 51. Then, by holding the insulated handle 3 with one hand, the multimeter probes 2 fixed on both sides of the insulated threaded connecting rod 1 can be used for measurement; the other hand can hold the multimeter to take the reading.

[0039] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural or procedural transformations made based on the content of the present invention's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. A fixture for improving the efficiency of battery terminal voltage measurement, characterized in that: The device includes an insulated threaded connecting rod (1) and multimeter probes (2). An insulated handle (3) is fixedly installed in the middle section of the insulated threaded connecting rod (1). Sleeves (4) are installed on both sides of the insulated threaded connecting rod (1). A first fastening bolt (5) and a second fastening bolt (51) are respectively provided on both sides of the insulated handle (3) and the sleeves (4). The multimeter probes (2) are fixedly installed in the sleeves (4) on both sides. An adjustment structure is connected between the sleeves (4) on both sides. The adjustment structure is used to ensure that the distance and tilt angle between the sleeves (4) on both sides relative to the insulated handle (3) are consistent. The adjustment structure includes a first rack (6) and a second rack (7). The first rack (6) is fixed to the back of one of the sleeves (4), and the second rack (7) is fixed to the back of the sleeve (4) on one side. On the front of the sleeve (4) on the other side of the strip (7), the first rack (6) and the second rack (7) are staggered. A gear (8) is rotatably connected to the insulating handle (3) through a rotating rod (32). The gear (8) meshes with the first rack (6) and the second rack (7). The adjustment structure also includes a mounting plate (9). A sliding groove (91) is provided on the mounting plate (9). Wave-shaped sliding teeth (92) are provided on both sides of the sliding groove (91). A sliding block (93) is fixedly provided on the upper end of the smooth surface of the first rack (6) and the second rack (7). A limiting structure that cooperates with the sliding teeth (92) is provided on both sides of the sliding block (93). The sleeves (4) on both sides are fixedly connected to the limiting structure.

2. The fixture for improving the efficiency of battery terminal voltage measurement as described in claim 1, characterized in that: The limiting structure includes springs (94) on both sides of the sliding block (93). The outer sides of the springs (94) on both sides are fixedly connected to protruding sliding pieces (95) that cooperate with the sliding teeth (92). An adjusting plate (96) is provided on the top of the sliding block (93). One end of the adjusting plate (96) extends beyond the mounting plate (9). The part of the adjusting plate (96) extending beyond the mounting plate (9) is fixedly connected to the sleeves (4) on both sides.

3. The fixture for improving the efficiency of battery terminal voltage measurement as described in claim 2, characterized in that: The adjusting plate (96) is fixedly connected to the sleeves (4) on both sides on one side away from the gear (8).

4. A fixture for improving the efficiency of battery terminal voltage measurement as described in claim 2 or 3, characterized in that: The top of the adjustment plate (96) is provided with a wavy anti-slip surface.

5. The fixture for improving the measurement efficiency of battery terminal voltage as described in claim 1, characterized in that: The sleeve (4) also includes a fixing plate (41) at the front end. The fixing plate (41) is provided with a connecting rod connection port (42). The sleeve (4) is sleeved on the insulating threaded connecting rod (1) through the connecting rod connection port (42). The first fastening bolt (5) and the second fastening bolt (51) respectively abut against both sides of the connecting rod connection port (42).

6. The fixture for improving the efficiency of battery terminal voltage measurement as described in claim 1, characterized in that: The lower section of the insulating handle (3) is provided with a threaded connection port (31). The insulating handle (3) is fixed to the insulating threaded connecting rod (1) through the threaded connection port (31). The first fastening bolt (5) and the second fastening bolt (51) respectively abut against both sides of the threaded connection port (31).

7. The fixture for improving the efficiency of battery terminal voltage measurement as described in claim 1, characterized in that: The sleeve (4) has a locking screw (43) threaded through its side wall for securing the multimeter probes (2).

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