High-precision power tester

Abstract

The utility model relates to a high-precision power tester, which comprises winding structures symmetrically arranged at the left end and the right end of an instrument main body, each winding structure comprises a protective shell, limiting sleeves are symmetrically arranged on the front side and the back side of the inner bottom surface of each protective shell, the inner surfaces of the limiting sleeves are movably connected with winding shafts, and a twisting shaft is arranged above the winding shaft on the front side. Grooves are evenly distributed in the upper side position of the outer circumferential surface of the winding shaft, a connecting groove is formed in the middle of the upper end of each groove, and an elastic piece is arranged at the upper end of each connecting groove. By arranging the elastic piece, the twisting shaft is pressed downwards, and the elastic piece is pressed and contracted, so that the clamping block is connected with the groove, the twisting shaft can drive the winding shaft to rotate when rotating, and the effect of preventing accidental touch is achieved; and by arranging the cleaning cotton, when the wire is wound, the wire is cleaned when passing through the cleaning cotton, and dust accumulated when the wire is exposed outside is removed.

Description

Technical Field

[0001] The utility model relates to the technical field of power testers, in particular to a high-precision power tester. Background Art

[0002] Power testing of solid-state drives (SSDs) typically involves measuring their energy consumption in different operating states, including standby and active. Existing power testers have long, exposed measurement leads that are prone to dust and tangles, leaving the test surface cluttered. Therefore, we designed a high-precision functional tester.

[0003] Patent No. CN202222214277.7 is a Chinese utility model patent, which discloses a motor output power tester, including a power tester body, two wires are clamped and installed on the lower surface of the power tester body, and test heads are provided at the ends of the wires. Protective shells are installed at both ends of the power tester body by screws, and a winding body is installed inside the protective shell by screws. Both ends of the protective shell are provided with connection slots. By designing protective shells at the ends of the power tester body and winding bodies inside the protective shell, after testing, the wires can be wound around the outside of the winding body and the ends of the wires are embedded in the inside of the connection slots. At this time, the cover is closed on the end of the protective shell and fastened to the installation, which facilitates the winding and protection of the wires after use, facilitates the winding and protection of the wires after use, and is less likely to cause damage to the wires, extending the service life of the wires. The protective shell is energized to energize the test head through the wires. However, the device has the following problems: first, it does not have the function of arranging the winding wires, and second, it does not have the function of cleaning the exposed wires. Utility Model Content

[0004] The purpose of the utility model is to address the deficiencies of the existing technology. By providing elastic parts, a winding structure and cleaning cotton, the utility model solves the technical problems that the measuring end wires of the existing power tester are long, exposed to the outside and easily get dust and knotted, and the test table is messy.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A high-precision power tester includes an instrument body, and winding structures are symmetrically provided at the left and right ends of the instrument body. The winding structure includes a protective shell, and limit sleeves are symmetrically provided on the front and rear of the inner bottom of the protective shell. The inner surface of the limit sleeve is movably connected to the winding shaft, and a torsion shaft is provided above the front side of the winding shaft, and grooves are evenly distributed on the upper position of the outer circumferential surface of the winding shaft, and a connecting groove is provided in the middle of the upper end of the winding shaft, and an elastic piece is provided at the upper end of the connecting groove.

[0007] As a kind of preferred, the upper end front side position of the protective shell is provided with mounting hole, the upper end of the twisting shaft protrudes vertically in the surface of protective shell through mounting hole, and the lower end of the twisting shaft is provided with mounting cavity.

[0008] As a kind of preferred, the upper end of the mounting cavity is connected with elastic member, and the circumferential surface of the mounting cavity is uniformly distributed with clamping block, and the outer surface of the clamping block is adapted to be connected with connecting groove.

[0009] As a kind of preferred, the middle part of the outer circumferential surface of the winding shaft is wound with wire, and the annular groove is provided between the wire and the connecting groove, and the belt pulley is provided in the groove of the annular groove, and the transmission belt is provided between the belt pulleys.

[0010] As a kind of preferred, the end of the protective shell away from the instrument body is provided with threading hole, the hole of the threading hole is provided with sealing member, the inner surface of the sealing member is provided with receiving groove, the cleaning cotton is provided in the groove of the receiving groove, the cleaning cotton is in contact with the wire, and the end of the wire away from the protective shell is connected with test terminal.

[0011] As a kind of preferred, the lower end of the instrument body is uniformly distributed with rubber foot, and the middle part of the front end of the instrument body is provided with display screen, and the left and right sides of the display screen are provided with operation button.

[0012] The beneficial effects of the present application are as follows:

[0013] (1) In the present application, the twisting shaft is pressed down by the elastic member, the elastic member is compressed under pressure, the clamping block and the groove are connected, so that the twisting shaft can drive the winding shaft to rotate when rotating, and the function of preventing accidental touch is realized.

[0014] (2) In the present application, the winding structure is provided, the twisting shaft is rotated in the state of being pressed down, so that the transmission belt drives the two winding shafts to rotate at the same speed, the wire is conveniently wound, and the possibility of knotting is reduced.

[0015] (3) In the present application, the cleaning cotton is provided, when the wire is wound, the wire is cleaned when passing through the cleaning cotton, and the dust accumulated when the wire is exposed is removed.

[0016] In summary, the present application has the advantages of simple structure and wire winding, and is especially suitable for power tester technical field. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the following described drawings are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the premise of the drawings.

[0018] Figure 1 It is a structural schematic view of high-precision power tester.

[0019] Figure 2 It is a sectional structural schematic view of winding structure part.

[0020] Figure 3 It is a sectional structural schematic view of twisting shaft part.

[0021] Figure 4 It is a sectional structural schematic view of threading hole part. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely explained below with reference to the drawings.

[0023] Embodiment one

[0024] As Figures 1 to 4 shown, the utility model provides a kind of high-precision power tester, including instrument main body 1, the left and right ends of instrument main body 1 are symmetrically equipped with winding structure 2, realize the convenient winding of wire, reduce the possibility of knot, the winding structure 2 includes protective shell 21, play the role of protection dustproof, provide mounting space for winding shaft 23, wire 28 etc., the inside bottom surface of protective shell 21 is symmetrically equipped with limiting sleeve 22, for limiting the position of winding shaft 23 lower end, the inner surface of limiting sleeve 22 is movably connected winding shaft 23, the upper side of the front side winding shaft 23 is equipped with twisting shaft 3, and the outer circumferential surface of winding shaft 23 is evenly distributed groove 24 on the upper side position, and the upper end of connecting groove 25 is equipped with elastic member 26 in the middle part of winding shaft 23, press down twisting shaft 3 by elastic member 26, and elastic member 26 is compressed to contract, so that clamping block 32 and groove 24 are connected, so that winding shaft 23 can be rotated when twisting shaft 3 rotates, play the role of anti-misoperation.

[0025] Further, as Figure 2 shown, the upper end of protective shell 21 is equipped with mounting hole 27 in front side position, the upper end of twisting shaft 3 passes through mounting hole 27 and protrudes vertically on the surface of protective shell 21, facilitate hand to act on twisting shaft 3, realize wire winding, and the lower end of twisting shaft 3 is equipped with mounting cavity 31, and the size of mounting cavity 31 is same with the outer diameter of winding shaft 23.

[0026] Further, as Figure 3As shown, the upper end of the installation cavity 31 is connected with the elastic member 26, which can be a spring assembly, so that the twisting shaft 3 and the winding shaft 23 are connected together, and the circumferential surface of the installation cavity 31 is uniformly distributed with the clamping blocks 32, the outer surface of the clamping blocks 32 is adapted to be connected with the connecting grooves 25, both are adapted to be connected, increasing the contact area between the twisting shaft 3 and the winding shaft 23, so that the twisting shaft 3 can smoothly drive the winding shaft 23 to rotate during the twisting process.

[0027] Further, the middle part of the outer circumferential surface of the winding shaft 23 is wound with the wire 28, and the annular groove 29 is arranged between the wire 28 and the connecting groove 25, and the belt pulley 210 is arranged in the groove of the annular groove 29, and the transmission belt 211 is arranged between the belt pulleys 210, so that power transmission is realized between the two winding shafts 23, so that one twisting shaft 3 can synchronously drive the two winding shafts 23 to rotate.

[0028] Further, as shown in Figure 4 The end of the protective shell 21 away from the instrument body 1 is provided with a wire hole 4, the inner surface of the sealing member 41 is provided with a receiving groove 42, and the cleaning cotton 43 is arranged in the groove of the receiving groove 42, when the wire 28 is wound, the wire 28 passes through the cleaning cotton 43 and is cleaned, removing the dust accumulated on the wire 28 exposed outside, the cleaning cotton 43 is in contact with the wire 28, and the wire 28 is connected with the test terminal 212 away from the protective shell 21.

[0029] Further, as shown in Figure 1 The lower end of the instrument body 1 is uniformly distributed with the rubber feet 11, improving the shock absorption effect and the distance from the workbench surface, and the middle part of the front end of the instrument body 1 is provided with the display screen 12, which can directly and intuitively display the test data, and the operation buttons 13 are arranged on the left and right sides of the display screen 12, and personnel can perform power test by operating different operation buttons 13.

[0030] Working process: first, press the twisting shaft 3 down, the elastic member 26 is compressed and shrunk, so that the clamping blocks 32 and the grooves 24 are connected; further, the twisting shaft 3 rotates in the pressed state, so that the front end of the winding shaft 23 rotates; further, the transmission belt 211 transmits the kinetic energy of the front end of the winding shaft 23 to the rear end of the winding shaft 23, so that the two winding shafts 23 rotate synchronously; at the same time, the hand pulls the wire 28 exposed outside to the length suitable for the wire 28, and then connects the test terminal 212 to the test solid state disk circuit board; further, the hand presses the related operation button 13 to perform power test.

[0031] In the description of the utility model, need understanding is, the orientation or position relation that the term "front and back", "left and right" and the like indicate is based on the orientation or position relation shown in the drawing, is only for the convenience of describing the utility model and simplifying the description, and is not indicating or implying that the device or component referred to must have a particular orientation, is constructed and operated in a particular orientation, therefore can not be understood as the restriction of the utility model.

[0032] Of course in the present technical solution, those skilled in the art should understand that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, the term "one" cannot be understood as a limitation on the number.

[0033] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can easily think of the change or replacement under the technical prompt of the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A high-precision power tester, characterized by: The invention comprises an instrument body (1), wherein a winding structure (2) is symmetrically provided at the left and right ends of the instrument body (1), and the winding structure (2) comprises a protective shell (21), and a limiting sleeve (22) is symmetrically provided on the front and rear sides of the bottom of the protective shell (21), and the inner surface of the limiting sleeve (22) is movably connected to the winding shaft (23), and a torsion shaft (3) is provided above the front side of the winding shaft (23), and grooves (24) are evenly distributed on the upper position of the outer circumferential surface of the winding shaft (23), and a connecting groove (25) is provided in the middle of the upper end of the winding shaft (23), and an elastic member (26) is provided at the upper end of the connecting groove (25).

2. A high-precision power tester according to claim 1, characterized in that: A mounting hole (27) is provided at the front side of the upper end of the protective shell (21); the upper end of the torsion shaft (3) passes through the mounting hole (27) and vertically protrudes from the surface of the protective shell (21); and a mounting cavity (31) is provided at the lower end of the torsion shaft (3).

3. A high-precision power tester according to claim 2, characterized in that: The upper end of the installation cavity (31) is connected to the elastic member (26), and the circumferential surface of the installation cavity (31) is evenly distributed with clamping blocks (32), and the outer surface of the clamping blocks (32) is adapted to connect to the connecting groove (25).

4. A high-precision power tester according to claim 1, characterized in that: A wire (28) is wound around the middle of the outer circumferential surface of the winding shaft (23); an annular groove (29) is provided between the wire (28) and the connecting groove (25); a pulley (210) is provided in the groove of the annular groove (29); and a transmission belt (211) is provided between the pulleys (210).

5. The high-precision power tester according to claim 1, characterized in that: The protective shell (21) is provided with a threading hole (4) at one end away from the instrument body (1), a sealing member (41) is provided in the threading hole (4), an inner surface of the sealing member (41) is provided with a receiving groove (42), a cleaning cotton (43) is provided in the groove of the receiving groove (42), the cleaning cotton (43) is in contact with the wire (28), and the end of the wire (28) away from the protective shell (21) is connected to the test terminal (212).

6. A high-precision power tester according to claim 1, characterized in that: The lower end of the instrument body (1) is evenly distributed with rubber feet (11), and the front middle portion of the instrument body (1) is provided with a display screen (12), and the left and right sides of the display screen (12) are provided with operation buttons (13).

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