Fuse current measuring device

Abstract

The utility model discloses a fuse current measuring device, which comprises a mounting box and a pair of PIN connecting parts, a placing seat for placing a fuse is arranged in the mounting box, each PIN connecting part comprises conductive terminals used for being inserted into two ends of a fuse box, a wire is arranged between the mounting box and the PIN connecting parts, and the wire is connected with the PIN connecting parts. And the placement seat is conductively connected with the conductive terminal through a wire. According to the fuse current measuring device, the fuse is fixed through a simple and reasonable fuse placing box structure, so that the fuse can realize current measurement after being externally connected, the surface of a wire harness does not need to be damaged, the whole circuit is effectively protected, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of current measuring equipment, in particular to a fuse current measuring device. Background Art

[0002] Typically, when measuring fuse current, the wiring harness on both sides of the fuse box is damaged to expose the wiring harness. An external measuring device is then connected to the exposed wiring harness to measure the current of the fuse in the fuse box. However, this method, after damaging the wiring harness, makes it more susceptible to external environmental influences during subsequent use, significantly shortening its service life. Replacing the wiring harness is also very troublesome, requiring disassembly and adjustment of the entire circuit.

[0003] Therefore, in view of the above-mentioned technical problems, it is necessary to provide a new technical solution. Utility Model Content

[0004] The utility model aims to provide a fuse current measuring device which can effectively protect the surface of the wiring harness and prolong the service life.

[0005] In order to solve the above technical problems, the present invention provides a fuse current measuring device, and the specific technical solution is as follows:

[0006] A fuse current measuring device includes a mounting box and a pair of PIN pin connecting parts. The mounting box is provided with a placement seat for placing the fuse. The PIN pin connecting parts include conductive terminals for inserting into the two ends of the fuse box. A wire is also provided between the mounting box and the PIN pin connecting parts. The placement seat is conductively connected to the conductive terminals via the wire.

[0007] Preferably, a box cover is provided on the top of the installation box, the top surface of the placement seat and the upper end surface of the installation box are located on the same horizontal plane, the top surface of the placement seat is provided with a placement groove for accommodating the fuse, and when the box cover is closed, the bottom surface of the box cover presses the fuse in the placement groove to facilitate fuse fixation.

[0008] Preferably, a bridge-shaped gasket with elasticity is further fixed in the installation box, the placement seat is fixedly mounted on the gasket, and the wire passes through the gasket and is conductively connected to the placement slot of the placement seat.

[0009] Preferably, a pair of conductive posts are provided inside the placement seat, one end of the wire is wound around the conductive posts, and a connecting wire is also provided inside the placement seat, one end of the connecting wire is wound around the conductive posts, and the other end is connected to the placement slot, and the placement slot is made of conductive material.

[0010] Preferably, the box cover is hinged to the installation box through a hinge shaft for easy opening and closing, and a protrusion is provided in the middle of the box cover toward the outside of the installation box to avoid the larger fusible part in the middle of the fuse; a buckle is also provided at one end of the bottom side of the box cover away from the hinge shaft, and a mating part adapted to the buckle is provided inside the installation box to facilitate tightening the box cover.

[0011] Preferably, the PIN pin connection part also includes a connecting seat and a connecting sleeve, the connecting seat is connected and fixed to the end of the wire away from the installation box, the connecting sleeve is arranged on the end of the connecting seat away from the wire, and the conductive terminal is fixed on the connecting seat through the connecting sleeve.

[0012] Preferably, the connecting seat includes a seat body with two through ends and an elastic sheet integrally connected to the circumference of one end of the seat body, the elastic sheet is set at an inclination at the end away from the seat body, and an external thread is provided on the outer wall of the seat body. The connecting sleeve includes a sleeve and a rotating seat fixed on one end of the sleeve, and the end of the inner side of the sleeve connected to the connecting seat is provided with an internal thread adapted to the outer thread of the seat body, and the other end of the inner side of the sleeve is set at an inclination adapted to the end of the elastic sheet.

[0013] Preferably, the rotating seat covers one end of the sleeve, and a through hole is provided in the center of the rotating seat. The end of the seat body of the connecting seat away from the spring sheet is fixedly connected to the base, and a contact hole is provided in the center of the base. The conductive terminal includes an insertion end and a limiting end. The diameter of the insertion end is adapted to the through hole, and the diameter of the limiting end is larger than the diameters of the insertion end, the through hole and the contact hole. The side of the limiting end away from the insertion end is also fixedly connected to a contact, and the position of the contact is adapted to the contact hole so as to facilitate connection with the wire through the contact hole.

[0014] The utility model provides a fuse current measuring device with the following beneficial effects:

[0015] The fuse current measuring device of the utility model fixes the fuse through a simple and reasonable fuse placement box structure, so that the fuse can be measured after being connected externally without damaging the wiring harness surface, effectively protecting the entire circuit and extending the service life;

[0016] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the present invention, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1It is a structural schematic diagram of a fuse current measuring device;

[0019] Figure 2 for Figure 1 Schematic diagram of the internal structure of the installation box;

[0020] Figure 3 for Figure 1 Exploded diagram of the middle pin connection.

[0021] Among them, 1-installation box; 11-box cover; 111-hinge shaft; 112-clip; 12-gasket; 121-conductive column; 13-placement seat; 131-placement slot; 2-wire; 3-PIN pin connection part; 31-connecting seat; 311-seat body; 312-spring; 313-base; 32-connecting sleeve; 321-sleeve; 322-rotating seat; 33-conductive terminal; 331-insertion end; 332-limiting end; 333-contact. DETAILED DESCRIPTION

[0022] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0023] Example

[0024] See also Figures 1 to 3 A fuse current measuring device includes an installation box 1 and a pair of PIN pin connecting parts 3. The installation box 1 is provided with a placement seat 13 for placing the fuse. The PIN pin connecting part 3 includes conductive terminals 33 for inserting into the two ends of the fuse box. A wire 2 is also provided between the installation box and the PIN pin connecting part. The placement seat is conductively connected to the conductive terminal through the wire.

[0025] A box cover 11 is provided on the top of the installation box 1. The top surface of the placement seat 13 is located on the same horizontal plane as the upper end surface of the installation box. A placement groove 131 for accommodating the fuse is opened on the top surface of the placement seat 13. When the box cover is closed, the bottom surface of the box cover 11 presses the fuse in the placement groove to facilitate the fixing of the fuse.

[0026] An elastic bridge-shaped gasket 12 is also fixed in the installation box 1 , and the placement seat is fixedly installed on the gasket 12 . The wire 2 passes through the gasket and is conductively connected to the placement slot of the placement seat.

[0027] A pair of conductive posts 121 are provided inside the placement seat 13, one end of the wire 2 is wound around the conductive posts, and a connecting wire is also provided inside the placement seat, one end of the connecting wire is wound around the conductive posts, and the other end is connected to the placement slot, which is made of conductive material.

[0028] The box cover 11 is hinged to the installation box through a hinge shaft 111 for easy opening and closing, and a protrusion is provided in the middle of the box cover 11 towards the outside of the installation box to avoid the larger fusible part in the middle of the fuse; a buckle 112 is also provided at the end of the bottom side of the box cover away from the hinge shaft, and a matching part adapted to the buckle is provided inside the installation box to facilitate the box cover to be tightly closed.

[0029] The PIN pin connection part 3 also includes a connection seat 31 and a connection sleeve 32. The connection seat is connected and fixed to the end of the wire 2 away from the installation box. The connection sleeve is set on the end of the connection seat away from the wire. The conductive terminal 33 is fixed on the connection seat through the connection sleeve.

[0030] The connecting seat 31 includes a seat body 311 with two ends passing through and an elastic piece 312 integrally connected to the circumference of one end of the seat body. The elastic piece 312 is set at an inclination at the end away from the seat body, and an external thread is provided on the outer wall of the seat body. The connecting sleeve 32 includes a sleeve 321 and a rotating seat 322 fixed on one end of the sleeve. The end of the inner side of the sleeve connected to the connecting seat is provided with an internal thread adapted to the external thread of the seat body, and the other end of the inner side of the sleeve is set at an inclination adapted to the end of the elastic piece.

[0031] The rotating seat 322 covers one end of the sleeve 321, and a through hole is provided in the center of the rotating seat. The base 313 is fixedly connected to the end of the base body 311 of the connecting seat away from the spring sheet, and a contact hole is provided in the center of the base. The conductive terminal 33 includes an insertion end 331 and a limiting end 332. The diameter of the insertion end is adapted to the through hole, and the diameter of the limiting end is larger than the diameters of the insertion end, the through hole and the contact hole. A contact 333 is also fixedly connected to the side of the limiting end away from the insertion end. The position of the contact is adapted to the contact hole so as to facilitate connection with the wire through the contact hole.

[0032] When using the fuse current measuring device of this embodiment, the fuse is removed from the fuse box and placed in the placement slot 131, with the two ends of the fuse corresponding to the two conductive posts and wires. After closing the box cover 11, the box cover is used to press the fuse tightly. At this time, the PIN pin connector is inserted into the two ends of the fuse box to achieve the current measurement of the circuit where the fuse is located without scraping the surface of the wiring harness.

[0033] The beneficial effects of the utility model are: fixing the fuse through a simple and reasonable fuse placement box structure, enabling the fuse to be measured after being externally connected without damaging the wiring harness surface, effectively protecting the entire circuit and improving service life.

[0034] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations of the present invention. Ordinary technicians in this field can change, modify and modify the above embodiments within the scope of the present invention.

Claims

1. A fuse current measuring device, characterized in that: The invention comprises an installation box (1) and a pair of PIN pin connecting parts (3), wherein a placement seat (13) for placing a fuse is provided in the installation box (1), and the PIN pin connecting part (3) comprises conductive terminals (33) for inserting into the two ends of the fuse box, and a wire (2) is further provided between the installation box and the PIN pin connecting part, and the placement seat and the conductive terminal are conductively connected via the wire.

2. The fuse current measuring device according to claim 1, characterized in that: The installation box (1) is covered with a box cover (11), the top surface of the placement seat (13) and the upper end surface of the installation box are located on the same horizontal plane, the top surface of the placement seat (13) is provided with a placement groove (131) for accommodating a fuse, and when the box cover is closed, the bottom surface of the box cover (11) presses the fuse in the placement groove to facilitate the fixing of the fuse.

3. The fuse current measuring device according to claim 2, characterized in that: An elastic bridge-shaped gasket (12) is also fixed in the installation box (1), and the placement seat is fixedly installed on the gasket (12). The wire (2) passes through the gasket and is conductively connected to the placement slot of the placement seat.

4. The fuse current measuring device according to claim 3, characterized in that: A pair of conductive posts (121) are provided inside the placement seat (13), one end of the wire (2) is wound around the conductive posts, and a connecting wire is also provided inside the placement seat, one end of the connecting wire is wound around the conductive posts, and the other end is connected to the placement slot, and the placement slot is made of conductive material.

5. The fuse current measuring device according to claim 3, characterized in that: The box cover (11) is hinged to the installation box via a hinge shaft (111) for easy opening and closing, and a protrusion is provided in the middle of the box cover (11) toward the outside of the installation box to avoid the larger fusible part in the middle of the fuse; a buckle (112) is also provided at one end of the bottom side of the box cover away from the hinge shaft, and a matching portion adapted to the buckle is provided inside the installation box to facilitate tightening of the box cover.

6. The fuse current measuring device according to claim 1, characterized in that: The PIN pin connection portion (3) further comprises a connection seat (31) and a connection sleeve (32), wherein the connection seat is connected and fixed to the end of the wire (2) away from the installation box, the connection sleeve is arranged on the end of the connection seat away from the wire, and the conductive terminal (33) is fixed to the connection seat via the connection sleeve.

7. The fuse current measuring device according to claim 6, characterized in that: The connecting seat (31) comprises a seat body (311) with two ends extending therethrough and a spring piece (312) integrally connected to the circumference of one end of the seat body, the spring piece (312) being arranged at an inclination at one end away from the seat body, and an external thread being provided on the outer wall of the seat body, the connecting sleeve (32) comprising a sleeve (321) and a rotating seat (322) fixedly mounted on one end of the sleeve, the end of the sleeve connected to the connecting seat being provided with an internal thread matching the external thread of the seat body, and the other end of the sleeve being arranged at an inclination matching the end of the spring piece.

8. The fuse current measuring device according to claim 7, characterized in that: The rotating seat (322) covers one end of the sleeve (321), and a through hole is provided at the center of the rotating seat. The end of the seat body (311) of the connecting seat (31) away from the spring is fixedly connected to a base (313), and a contact hole is provided at the center of the base. The conductive terminal (33) includes an insertion end (331) and a limiting end (332), the diameter of the insertion end is adapted to the through hole, the diameter of the limiting end is larger than the diameters of the insertion end, the through hole and the contact hole, and the side of the limiting end away from the insertion end is also fixedly connected to a contact (333), the position of the contact is adapted to the contact hole so as to facilitate connection with the wire through the contact hole.

Images