CN219065682U - Neutral line regulating tester for DC motor brush - Google Patents

Abstract

The utility model discloses a DC motor brush neutral wire adjustment tester, which comprises a shell and a supporting unit; a shell: a digital control direct current stabilized power supply is arranged in a rectangular hole I at the front side of the upper surface, a pulse signal generator is arranged in a rectangular hole II at the middle part of the upper surface of the shell, a milliamp meter is arranged in a rectangular hole III at the rear end of the upper surface of the shell, sockets are arranged in round holes in the upper surface of the shell, plugs are movably inserted in the sockets, conductive clips are arranged at the upper ends of the plugs through wires, and a lithium battery is arranged at the rear end of the interior of the shell; and a supporting unit: the device is arranged in the middle of the shell; wherein: the device also comprises a control switch, wherein the control switch is arranged on the front side of the upper surface of the shell, the electric brush neutral wire adjustment tester of the direct current motor can adjust the current and the voltage of the power supply, the output frequency is adjustable, the application range is wide, the display angle is adjustable, and the use convenience is good.

Description

Neutral line regulating tester for DC motor brush

Technical Field

The utility model relates to the technical field of direct current motor manufacturing, in particular to a measuring instrument for adjusting neutral wires of a brush of a direct current motor.

Background

In the process of product assembly debugging or maintenance, the electric brush must be on a neutral line, otherwise, the motor operation can generate a plurality of adverse effects such as spark increase, exceeding standard deviation of forward and reverse rotating speeds, reduced effectiveness, overheat of the motor and the like, therefore, the electric brush must be subjected to measurement and adjustment, the electric brush meets the requirements, an induction method is generally adopted, a central zero-position bidirectional milliamp meter is adopted, the electric brush is connected to two adjacent electric brushes, a stator excitation intermittent switch is connected with a power supply, a milliamp meter pointer deflects left and right, the position of the electric brush frame is moved until the millivolt meter pointer does not deflect left and right, the power supply and an instrument are separated so that one person cannot operate, the commercial power supply and the instrument are integrated, the electric brush is directly used for supplying power to the stator excitation of the direct-current motor, the output voltage, the current and the output evaluation rate cannot be adjusted according to the use requirements, the use range is limited, meanwhile, the viewing angle of the instrument cannot be adjusted generally, and the convenience of use is poor, so that the electric brush neutral line adjustment tester of the direct-current motor is proposed.

Disclosure of Invention

The utility model aims to overcome the existing defects, provides the electric brush neutral wire adjustment tester for the direct-current motor, can regulate the current and the voltage of a power supply, has adjustable output frequency, wide application range and adjustable display angle, is convenient to use, and can effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the electric brush neutral wire adjustment tester of the direct current motor comprises a shell and a supporting unit;

a shell: a digital control direct current stabilized power supply is arranged in a rectangular hole I at the front side of the upper surface, a pulse signal generator is arranged in a rectangular hole II at the middle part of the upper surface of the shell, a milliamp meter is arranged in a rectangular hole III at the rear end of the upper surface of the shell, sockets are arranged in round holes in the upper surface of the shell, plugs are movably inserted in the sockets, conductive clips are arranged at the upper ends of the plugs through wires, and a lithium battery is arranged at the rear end of the interior of the shell;

and a supporting unit: the device is arranged in the middle of the shell;

wherein: the lithium battery is characterized by further comprising a control switch, the control switch is arranged on the front side of the upper surface of the shell, the output end of the lithium battery is electrically connected with the input end of the control switch, the output end of the control switch is electrically connected with the input end of the numerical control direct current stabilized voltage supply, the output end of the numerical control direct current stabilized voltage supply is electrically connected with the input end of the pulse signal generator, the input ends of the two sockets on the left side are electrically connected with the output end of the pulse signal generator, the output ends of the two sockets on the right side are electrically connected with the input end of the milliamp meter, the power supply and the meter are integrated, the lithium battery is convenient for one person to operate and is convenient to carry, voltage and current can be regulated according to the power of the motor, the application range is wide, the milliamp meter has high sensitivity on the two-stage electric brushes, the measured electric brush neutral line of the direct current motor is quick and accurate, and the instrument viewing angle is adjustable, and the use convenience is good, and the dustproof function is long in service life.

Further, the supporting unit comprises a rotating shaft and a lifting handle, the rotating shafts are respectively arranged at the left end and the right end of the shell, and the through holes at the front end of the lifting handle are respectively movably sleeved with the adjacent rotating shafts, so that the supporting unit is convenient to carry.

Further, the supporting unit comprises a positioning strip and a positioning groove, the positioning strips are respectively and uniformly arranged on the outer cambered surface of the rotating shaft, the positioning grooves are respectively and uniformly formed in the left end and the right end of the handle and the outer shell, and the positioning grooves are matched with the adjacent positioning strips to be arranged, so that the rotation of the handle is conveniently limited.

Further, the supporting unit comprises baffle plates and tension springs, the baffle plates are respectively arranged at the opposite inner side ends of the two rotating shafts, the tension springs are respectively arranged between the opposite deviating surfaces of the two baffle plates and the inner side wall of the shell, and the tension springs are respectively movably sleeved with the adjacent rotating shafts, so that the rotating shafts can be positioned axially conveniently.

Further, the upper end of shell left surface is equipped with supply socket, and supply socket's output electricity is connected lithium cell's input, makes things convenient for lithium cell's charging.

Further, the rear side of shell upper surface is equipped with the braced frame, and the inside sliding connection of braced frame has the dust guard, and the socket all sets up with the dust guard cooperation, can hide dustproof to the socket.

Further, the left end of carriage is provided with the spring leaf, and the spring leaf sets up with the dust guard cooperation, makes things convenient for the location of dust guard.

Compared with the prior art, the utility model has the beneficial effects that: the electric brush neutral wire adjustment tester of the direct current motor has the following advantages:

1. when the intelligent direct-current motor is used, the two conducting clamps on the left side are connected with the exciting coil of the direct-current motor, then the two conducting clamps on the right side are connected with the two-stage electric brushes of the direct-current motor, the lithium battery supplies power to the numerical control direct-current stabilized power supply, the numerical control direct-current stabilized power supply is adjusted according to the model of the direct-current motor, the numerical control direct-current stabilized power supply outputs constant current and constant voltage adjustable direct current sources to the pulse signal generator, the pulse signal generator supplies power to the direct-current motor through the socket, the plug and the conducting clamps on the left side, the pulse of the output of the pulse signal generator can be adjusted, at the moment, the two-stage electric brushes of the direct-current motor are not opposite in position when the milliamp meter needle swings left and right, the electric brush frame is loosened, the electric brush frame is moved in the forward and reverse directions until the milliamp meter needle does not move left and right any more, at the moment, the electric brush is adjusted at the neutral line position, the power supply and the instrument are integrated, the pulse signal generator is convenient to operate, the operation, the voltage and the electric brushes can be adjusted according to the power size of the motor, the voltage and the current can be adjusted, the electric brush range, the voltage can be measured, the milliamp meter can be used, and the sensitivity can be measured on the direct-current meter rapidly, and the electric meter can be measured accurately.

2. Simultaneously can adjust the angle of placing of shell at the in-process of using, guarantee that the milliamp meter has good viewing angle, during the regulation, hold the shell and use thumb and forefinger to press the pivot of both sides, the pivot drives the center department of locating strip and separation blade towards the shell and draws close, the tensile extension spring of separation blade, the locating strip takes place relative slip with the constant head tank, the locating strip can separate with the constant head tank on the handle simultaneously, then rotatory handle, the handle takes place relative rotation with the pivot, handle and shell produce the contained angle, the handle can provide the support to the shell, after adjusting, loosen the pivot, the extension spring drives the pivot outside through the separation blade and removes, then the locating strip inserts the constant head tank of handle inside, then restrict the rotation of handle, and then the handle can provide the support through the pivot for the shell, when the neutral line position adjustment of direct current motor brush, can be adjusted the supporting angle of milliamp meter, and then can satisfy the viewing of different angles, simultaneously, it is convenient to adjust, and is convenient to use.

3. After the use is finished, after taking out the plug from the inside of socket, can stir the dust guard to the left, the dust guard slides to the left along the carriage, and the round hole of dust guard upper surface misplaces with the socket, and then can prevent that the foreign matter from entering into the inside of socket, the left end of dust guard removes the below of spring leaf right-hand member simultaneously, the spring leaf pushes down the resistance that increases the dust guard and removes to the dust guard, lock the dust guard, can mask the jack of socket after finishing the adjustment of DC motor brush neutral line and not using, avoid the entering of foreign matter, and then have good dustproof effect, avoid taking place to damage, long service life.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of the present utility model at A;

FIG. 3 is a schematic cross-sectional view of a support unit of the present utility model;

fig. 4 is an enlarged schematic view of the structure of the present utility model at B.

In the figure: 1 shell, 2 numerical control direct current stabilized voltage supply, 3 pulse signal generator, 4 milliampere meters, 5 control switch, 6 lithium cell, 7 plugs, 8 sockets, 9 supporting unit, 91 pivot, 92 handles, 93 location strip, 94 constant head tank, 95 separation blade, 96 extension springs, 10 electrically conductive clip, 11 braced frame, 12 dust guard, 13 spring leaf, 14 power socket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-4, the present embodiment provides a technical solution: the electric brush neutral wire adjustment tester of the direct current motor comprises a shell 1 and a supporting unit 9;

the shell 1: the rectangular hole I at the front side of the upper surface is internally provided with a digital control direct current stabilized power supply 2, the shell 1 provides mounting positions for other parts, the rectangular hole II at the middle part of the upper surface of the shell 1 is internally provided with a pulse signal generator 3, the rectangular hole III at the rear end of the upper surface of the shell 1 is internally provided with a milliamp meter 4, the round hole I at the upper surface of the shell 1 is internally provided with a socket 8, the inside of the socket 8 is movably inserted with a plug 7, the upper end of the plug 7 is provided with a conductive clip 10 through a wire, the rear end of the inside of the shell 1 is provided with a lithium battery 6, the upper end of the left side surface of the shell 1 is provided with a power socket 14, the output end of the power socket 14 is electrically connected with the input end of the lithium battery 6, the power socket 14 is connected with an external charger to charge the lithium battery 6, when in use, the two conductive clips 10 at the left side are connected with a direct current motor exciting coil, then two conducting clamps 10 on the right side are connected with two-stage brushes of a direct current motor, a lithium battery 6 supplies power to the digital control direct current stabilized power supply 2, meanwhile, the digital control direct current stabilized power supply 2 is regulated according to the type of the direct current motor, the digital control direct current stabilized power supply 2 outputs constant current and a constant voltage adjustable direct current source is transmitted to a pulse signal generator 3, the pulse signal generator 3 supplies excitation power to the direct current motor through a socket 8, a plug 7 and the conducting clamps 10 on the left side, simultaneously, the pulse output by the pulse signal generator 3 can be regulated, at the moment, the two-stage brushes of the direct current motor are not opposite in position through the conducting clamps 10, the socket 8 and the plug 7 on the right side, when a needle of the milliamp meter 4 swings leftwards and rightwards, the brush position is not opposite, and for this, a brush holder is released, the brush holder is moved in the forward and the position of the brush is regulated until a pointer of the milliamp meter 4 does not move leftwards and rightwards any more, at this time, the electric brush is positioned at the neutral line position to finish adjustment, the back side of the upper surface of the shell 1 is provided with a supporting frame 11, the inside of the supporting frame 11 is slidably connected with a dust-proof plate 12, the socket 8 is matched with the dust-proof plate 12, the left end of the supporting frame 11 is provided with a spring piece 13, the spring piece 13 is matched with the dust-proof plate 12, after the electric brush is used, the plug 7 is taken out from the socket 8, the dust-proof plate 12 can be stirred leftwards, the dust-proof plate 12 slides leftwards along the supporting frame 11, a round hole on the upper surface of the dust-proof plate 12 is misplaced with the socket 8, foreign matters can be prevented from entering the socket 8, meanwhile, the left end of the dust-proof plate 12 moves to the lower part of the right end of the spring piece 13, the spring piece 13 presses the dust-proof plate 12 downwards to increase the resistance of the movement of the dust-proof plate 12, and the dust-proof plate 12 is locked;

support unit 9: the support unit 9 comprises a rotating shaft 91 and a lifting handle 92, the rotating shaft 91 is respectively arranged at the left end and the right end of the shell 1, through holes at the front end of the lifting handle 92 are movably sleeved with the adjacent rotating shaft 91, the support unit 9 comprises positioning strips 93 and positioning grooves 94, the positioning strips 93 are respectively and uniformly arranged on the outer cambered surface of the rotating shaft 91, the positioning grooves 94 are respectively and uniformly arranged at the left end and the right end of the lifting handle 92 and the shell 1, the positioning grooves 94 are respectively matched with the adjacent positioning strips 93, the support unit 9 comprises retaining pieces 95 and tension springs 96, the retaining pieces 95 are respectively arranged at the opposite inner ends of the two rotating shafts 91, tension springs 96 are respectively and movably sleeved with the adjacent rotating shaft 91, simultaneously, the positioning angles of the positioning strips for the shell 1 can be adjusted in the use, and the positioning strips 4 have good viewing angles;

wherein: still include control switch 5, control switch 5 sets up in the front side of shell 1 upper surface, the input of control switch 5 is connected to lithium cell 6's output electricity, the input of numerical control direct current regulated power supply 2 is connected to control switch 5's output electricity, the input of pulse signal generator 3 is connected to numerical control direct current regulated power supply 2's output electricity, the output of pulse signal generator 3 is all connected to the input of left two sockets 8, the input of milliampere meter 4 is all connected to the output of right side two sockets 8 electricity, control switch 5 makes things convenient for the control of power.

The utility model provides a DC motor brush neutral line adjustment tester, which has the following working principle: when in use, the two conducting clips 10 on the left side are connected with the exciting coil of the direct current motor, then the two conducting clips 10 on the right side are connected with two-stage brushes of the direct current motor, then the control switch 5 is regulated and controlled, the lithium battery 6 supplies power to the digital control direct current stabilized power supply 2, meanwhile, the digital control direct current stabilized power supply 2 is regulated according to the model of the direct current motor, the digital control direct current stabilized power supply 2 outputs a constant current and a constant voltage adjustable direct current source to be transmitted to the pulse signal generator 3, the pulse signal generator 3 supplies excitation power to the direct current motor through the socket 8, the plug 7 and the conducting clips 10 on the left side, and simultaneously, the pulse output by the pulse signal generator 3 can be regulated, at the moment, the two-stage brushes of the direct current motor are regulated through the conducting clips 10 on the right side, the socket 8, the plug 7 and the milliamp meter 4, when the milliamp meter 4 swings left and right, the positions of the brushes are not opposite, in this regard, the brush holder should be loosened, the brush holder is moved in the forward and reverse directions, the position of the brush is adjusted until the pointer of the milliamp meter 4 is not moved left and right any more, at this time, the adjustment of the position of the brush at the neutral line is completed, meanwhile, the angle of placement of the housing 1 can be adjusted in the use process, the milliamp meter 4 is ensured to have a good viewing angle, when the housing 1 is held by hand and the rotating shafts 91 on both sides are pressed by thumb and forefinger during adjustment, the rotating shafts 91 drive the positioning strips 93 and the baffle plates 95 to be close to the center of the housing 1, the baffle plates 95 stretch the tension springs 96, the positioning strips 93 and the positioning grooves 94 slide relatively, the positioning strips 93 are separated from the positioning grooves 94 on the lifting handles 92, then the lifting handles 92 rotate relatively with the rotating shafts 91, the lifting handles 92 and the housing 1 form included angles, the lifting handles 92 can provide support for the housing 1 after the adjustment, loosening the pivot 91, the extension spring 96 drives the pivot 91 through the separation blade 95 and moves to the outside, then the locating strip 93 inserts the constant head tank 94 inside of handle 92, then restrict the rotation of handle 92, and then handle 92 can provide the support through pivot 91 for shell 1, after finishing using, take out plug 7 from the inside of socket 8, can stir dust guard 12 left, dust guard 12 slides left along braced frame 11, the round hole of dust guard 12 upper surface misplaces with socket 8, and then can prevent that the foreign matter from entering into the inside of socket 8, the left end of dust guard 12 removes the below of spring leaf 13 right-hand member simultaneously, spring leaf 13 pushes down the resistance that increases dust guard 12 and removes to dust guard 12, lock dust guard 12.

It should be noted that, in the above embodiment, the digitally controlled dc voltage-stabilized power supply 2, the pulse signal generator 3, the milliamp meter 4 and the lithium battery 6 may be freely configured according to the practical application scenario, the digitally controlled dc voltage-stabilized power supply 2 may be a digitally controlled dc voltage-stabilized power supply with model WZ3605E, the pulse signal generator 3 may rotate the pulse signal generator with model ZK-PP2K, and the control switch 5 is provided with a switch button corresponding to the digitally controlled dc voltage-stabilized power supply 2 for controlling the switching operation thereof.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. The electric brush neutral wire adjustment tester of the direct current motor is characterized in that: comprises a shell (1) and a supporting unit (9);

outer casing (1): a digital control direct current stabilized power supply (2) is arranged in a rectangular hole I at the front side of the upper surface of the shell (1), a pulse signal generator (3) is arranged in a rectangular hole II at the middle part of the upper surface of the shell (1), a milliamp meter (4) is arranged in a rectangular hole III at the rear end of the upper surface of the shell (1), sockets (8) are arranged in round holes in the upper surface of the shell (1), plugs (7) are movably inserted in the sockets (8), conductive clips (10) are arranged at the upper ends of the plugs (7) through wires, and lithium batteries (6) are arranged at the rear end of the interior of the shell (1);

a support unit (9): is arranged in the middle of the shell (1);

wherein: still include control switch (5), control switch (5) set up in the front side of shell (1) upper surface, the input of control switch (5) is connected to the output electricity of lithium cell (6), the input of numerical control direct current regulated power supply (2) is connected to the output electricity of control switch (5), the input of pulse signal generator (3) is connected to the output electricity of numerical control direct current regulated power supply (2), the output of pulse signal generator (3) is all connected to the input of two sockets (8) on the left, the input of milliamp (4) is all connected to the output of two sockets (8) on the right side.

2. The dc motor brush neutral adjustment gauge of claim 1, wherein: the supporting unit (9) comprises a rotating shaft (91) and a lifting handle (92), the rotating shaft (91) is respectively arranged at the left end and the right end of the shell (1), and through holes at the front end of the lifting handle (92) are respectively movably sleeved with the adjacent rotating shaft (91).

3. The dc motor brush neutral adjustment gauge of claim 1, wherein: the supporting unit (9) comprises a positioning strip (93) and a positioning groove (94), the positioning strip (93) is uniformly arranged on the outer arc surface of the rotating shaft (91), the positioning groove (94) is uniformly arranged at the left end and the right end of the handle (92) and the shell (1), and the positioning groove (94) is matched with the adjacent positioning strip (93).

4. The dc motor brush neutral adjustment gauge of claim 2, further comprising: the supporting unit (9) comprises baffle plates (95) and tension springs (96), the baffle plates (95) are respectively arranged at the opposite inner side ends of the two rotating shafts (91), the tension springs (96) are respectively arranged between the opposite deviating surfaces of the two baffle plates (95) and the inner side wall of the shell (1), and the tension springs (96) are respectively movably sleeved with the adjacent rotating shafts (91).

5. The dc motor brush neutral adjustment gauge of claim 1, wherein: the upper end of the left side surface of the shell (1) is provided with a power socket (14), and the output end of the power socket (14) is electrically connected with the input end of the lithium battery (6).

6. The dc motor brush neutral adjustment gauge of claim 1, wherein: the rear side of shell (1) upper surface is equipped with braced frame (11), and the inside sliding connection of braced frame (11) has dust guard (12), and socket (8) all set up with dust guard (12) cooperation.

7. The dc motor brush neutral adjustment gauge of claim 6, further comprising: the left end of the supporting frame (11) is provided with a spring piece (13), and the spring piece (13) is matched with the dust-proof plate (12).

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