[ summary of the invention ]
The invention aims to provide a device for measuring a winding tape wrapped resistor, which is used for solving the problems of resistor element fracture pollution, inaccurate measurement data and low test efficiency caused by the existing measuring mode, and comprises the following components:
the bottom plate mechanism is arranged on a horizontal plane and comprises a bottom plate, a sliding groove structure and a plurality of elastic sheet structures, wherein the bottom plate is arranged on the horizontal plane, threaded holes are formed in four corners of the bottom plate, the sliding groove structure is arranged on one side of the bottom plate, the elastic sheet structures are arranged in four corners of the bottom plate, and the elastic sheet structures move up and down in the threaded holes;
connecting mechanism, connecting mechanism set up in on the bottom plate mechanism, connecting mechanism includes locating piece, spring pin, connecting rod, contact and first spring structure, a locating piece is fixed in one side of bottom plate, another locating piece set up in the structural and along the removal of slip slot structure direction of slip slot, the spring pin set up in on the locating piece, the one end of connecting rod set up in on the spring pin, the contact set up in the other end of connecting rod, first spring structure connects the bottom plate reaches the central point of connecting rod puts.
Optionally, the bottom plate is made of an acrylic plate material.
Optionally, the pogo pin is internally provided with a second spring structure, the outer part of the pogo pin is a cylinder, and the height of the pogo pin is less than 5 mm.
Optionally, the top end of the contact is a cone.
Optionally, the positioning block, the pogo pin, the connecting rod, and the contact are made of a metal material, and the metal material has conductivity.
Optionally, the winding-wrapped resistance measuring device is further provided with a multifunctional multimeter and a power supply, the power supply and two poles of the multifunctional multimeter are respectively connected with the positioning block, and the voltage of the power supply is 10-30V.
Optionally, the holding force of the first spring structure is downwardly and inwardly stretched, and the first spring structure and the spring needle have elasticity.
Optionally, a screw, a third spring structure and a thin plate are arranged on the elastic sheet structure, the screw is connected with the third spring structure and the thin plate, and the third spring structure has elasticity.
Optionally, one end of the thin plate is provided with a through hole, the other end of the thin plate is an arc-shaped thin plate, the through hole is matched with the screw, a layer of protective film is arranged on the surface of the thin plate, and the protective film is made of a soft rubber material.
Compared with the prior art, the device for measuring the tape-wrapped resistance firstly connects the power supply and the two poles of the multifunctional multimeter with the positioning blocks respectively, places the tape-wrapped resistance on the bottom plate, then adjusting the height of the spring plate structure to fix four corners of the tape wrapping resistor, then adjusting the moving distance of the positioning block along the direction of the sliding groove structure, the contact heads are respectively connected and fixed on the two poles of the coil belt wrapped resistor, namely the top ends of the contact heads are respectively pressed on the two poles of the coil belt wrapped resistor, then after a certain time, the current is stable, the multifunctional multimeter measures the impedance of the winding belt wrapped resistance, the winding belt wrapped resistance measuring device of the invention not only solves the problems of fracture and pollution when the resistance element is clamped and taken out, and the impedance of the coiled tape wrapped resistor is accurately measured, the measuring flow and time are reduced, and the measuring efficiency is greatly improved.
[ detailed description ] embodiments
To further illustrate the technical means and effects of the present invention, the following detailed description is given with reference to a preferred embodiment of the present invention and the accompanying drawings.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a device for measuring a tape-wrapped resistance according to the present invention, fig. 2 is a front view of the device for measuring a tape-wrapped resistance according to the present invention, and the device 100 for measuring a tape-wrapped resistance includes:
the base plate mechanism 110 is arranged on a horizontal plane, the base plate mechanism 110 comprises a base plate 111, a sliding groove structure 112 and a plurality of elastic sheet structures 113, the base plate 111 is arranged on the horizontal plane, threaded holes are formed in four corners of the base plate 111, the sliding groove structure 112 is arranged on one side of the base plate 111, the elastic sheet structures 113 are arranged in the four corners of the base plate 111, the elastic sheet structures 113 move up and down in the threaded holes, the threaded holes are used for fixing the elastic sheet structures 113, the sliding groove structure 112 is used for fixing the positioning block 121, and the elastic sheet structures 113 are used for fixing the four corners of the tape wrapping type resistor;
the connecting mechanism 120 is disposed on the bottom plate mechanism 110, the connecting mechanism 120 includes a positioning block 121, a pogo pin 122, a connecting rod 123, a contact head 124 and a first spring structure (not shown), the positioning block 121 is fixed on one side of the bottom plate 111, the other positioning block 121 is disposed on the sliding groove structure 112 and moves along the direction of the sliding groove structure 112, the pogo pin 122 is disposed on the positioning block 121, one end of the connecting rod 123 is disposed on the pogo pin 122, the contact head 124 is disposed on the other end of the connecting rod 123, the first spring structure (not shown) connects the center positions of the bottom plate 111 and the connecting rod 123, the positioning block 121 is used for fixing the pogo pin 122, and the pogo pin 122, the connecting rod 123 and the contact head 124 are used for fixing two poles of the tape-wrapped resistor, the top end of the contact head 124 is pressed on two poles of the coil tape wrapped resistor, the first spring structure (not shown) is used for buffering the downward pressure of the connecting rod 123, and when the coil tape wrapped resistor is placed on the bottom plate 111, the positioning block 121 is arranged in the sliding groove structure 112 to move on one side of the coil tape wrapped resistor, so that the top end of the contact head 124 is pressed on the electrode of the coil tape wrapped resistor.
The bottom plate 111 is made of an acrylic plate material, and the bottom plate 111 is made of the acrylic plate material, so that current in a circuit of the tape-wrapped resistance measuring device 100 is effectively blocked, the circuit is protected, and the impedance of the tape-wrapped resistance is accurately measured.
The pogo pin 122 has a second spring structure therein, the outer portion of the pogo pin 122 is a cylinder, and the height of the pogo pin 122 is less than 5 mm.
Wherein, the top end of the contact head 124 is a cone.
The positioning block 121, the pogo pin 122, the connecting rod 123 and the contact 124 are made of a metal material, and the metal material has conductivity.
The measuring tape-wrapped resistance device 100 is further provided with a multifunctional multimeter (not shown) and a power supply (not shown), two poles of the power supply (not shown) and the multifunctional multimeter (not shown) are respectively connected with the positioning block 121, and the voltage of the power supply (not shown) is 10-30V.
Wherein the holding force of the first spring structure (not shown) is downwardly and inwardly stretched, and the first spring structure (not shown) and the pogo pin 122 have elasticity.
The spring plate structure 113 is provided with a screw, a third spring structure and a thin plate, the screw is connected with the third spring structure and the thin plate, the third spring structure has elasticity, the screw is used for fixing the third spring structure and the thin plate at four corners of the bottom plate 111, and the thin plate is used for pressing four corners of the winding belt wrapped resistor.
The one end of sheet metal is equipped with the through-hole, the other end of sheet metal is the arc sheet metal, the through-hole with the screw matches, the surface of sheet metal is equipped with one deck protective film, protective film's material is the flexible glue material, because the surface of sheet metal is equipped with one deck protective film, protective film's material is the flexible glue material, makes winding parcel formula resistance is difficult by the fish tail.
Referring to fig. 3, fig. 3 is a schematic structural diagram of the tape-wrapped resistor of the present invention, a plurality of resistor elements 11 are disposed on the tape-wrapped resistor 10, two poles of the resistor elements 11 are exposed outside the tape, a width of the resistor elements 11 is between 0.2 mm and 0.3 mm, and a thickness of the resistor elements 11 is between 0.13 mm and 0.3 mm.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a first working state of the device for measuring a tape-wrapped resistor according to the present invention in a preferred embodiment, in this embodiment, two poles of a power supply (not shown) and a multi-function multimeter (not shown) are respectively connected to a positioning block 121, and then, the tape-wrapped resistor 10 is placed on a bottom plate 111, at this time, four corners of the tape-wrapped resistor 10 are not fixed by a spring structure 113, and the top end of a contact 124 is not pressed against two poles of the tape-wrapped resistor 10.
Referring to fig. 5, fig. 5 is a schematic structural diagram illustrating a second working state of the device for measuring a tape-wrapped resistor according to the present invention in a preferred embodiment, in this embodiment, when the tape-wrapped resistor 10 is placed on the bottom plate 111, the height of the spring structure 113 is adjusted to fix four corners of the tape-wrapped resistor 10, at this time, the top end of the contact 124 is not pressed against two poles of the tape-wrapped resistor 10, and a multi-function multimeter (not shown) is not used for measuring the impedance of the tape-wrapped resistor 10.
Referring to fig. 6, 7 and 8, fig. 6 is a schematic structural diagram illustrating a third operating state of the tape-wrapped resistor device according to a preferred embodiment of the present invention, FIG. 7 is a schematic diagram illustrating a fourth operating state of the TAB apparatus of the present invention in a preferred embodiment, fig. 8 is a front view of a fourth operating state of the device for measuring a tape-wrapped resistance according to the present invention in a preferred embodiment, when the spring structure 113 fixes four corners of the tape-wrapped resistor 10, the moving distance of the positioning block 121 along the sliding groove structure 112 is adjusted to press the pogo pin 122 downward, so that the contacts 124 are respectively connected to two poles of the tape-wrapped resistor 10, namely, the top ends of the contact heads 124 are respectively pressed on two poles of the tape-wrapped resistor 10, and then after a certain time, the current is stable, and a multifunctional multimeter (not shown in the figure) measures the impedance of the tape-wrapped resistor 10.
Compared with the prior art, the device 100 for measuring the tape-wrapped resistance of the invention firstly connects the two poles of a power supply (not shown) and a multifunctional multimeter (not shown) with the positioning block 121 respectively, the tape-wrapped resistance 10 is placed on the bottom plate 111, then the height of the spring plate structure 113 is adjusted to fix the four corners of the tape-wrapped resistance 10, then the moving distance of the positioning block 121 along the direction of the sliding groove structure 112 is adjusted, so that the contact head 124 is respectively connected and fixed with the two poles of the tape-wrapped resistance 10, namely the top end of the contact head 124 is respectively pressed on the two poles of the tape-wrapped resistance 10, and then after a certain time, the current is stable, the multifunctional multimeter (not shown) measures the impedance of the tape-wrapped resistance 10, by utilizing the device 100 for measuring the tape-wrapped resistance of the invention, the problems of fracture and pollution generated when the resistance element 11 is clamped and taken out are solved, and the, and the measurement flow and time are also reduced, and the measurement efficiency is greatly improved.
It should be noted that the present invention is not limited to the above embodiments, and any simple modifications of the above embodiments based on the technical solution of the present invention, equivalent changes and modifications are within the scope of the present invention.