CN212781112U

CN212781112U - Hall short circuit detection tool

Info

Publication number: CN212781112U
Application number: CN202021681077.7U
Authority: CN
Inventors: 杨海平; 周彦涛; 刘斌
Original assignee: Wuxi Quanyu Electronic Technology Co ltd
Current assignee: Wuxi Quanyu Electronic Technology Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-03-23
Anticipated expiration: 2030-08-13

Abstract

The utility model relates to a tool field, discloses a Hall short circuit detection tool, which comprises a base, a power supply and a voltage stabilizing circuit, wherein the top of the base is provided with a support plate, a switch and an indicator light, the top of the support plate is provided with a placing groove, the bottom of the placing groove is provided with a jack, a plurality of metal probes are arranged in the jack, the power supply is electrically connected with the voltage stabilizing circuit through the switch, the voltage stabilizing circuit stabilizes the output voltage of the power supply, the voltage output end, the grounding end and one end of the indicator light of the voltage stabilizing circuit are respectively electrically connected with the metal probes, the other end of the indicator light is grounded, the power input pin and the signal output pin of the Hall circuit board are respectively and electrically connected with the power supply and the indicating lamp through the metal probe, only the switch is required to be pressed, the operation is simple, if the Hall circuit board circuit is normal, the indicator light gives out light to prompt, and the test result is obvious.

Description

Hall short circuit detection tool

Technical Field

The utility model relates to a tool field, concretely relates to hall short circuit detection tool.

Background

The Hall circuit board needs to be tested after production is completed, whether short circuit occurs in components on the circuit board is checked, if the short circuit occurs, when a power input pin of the Hall circuit board is connected with a power supply, a signal output pin of the Hall circuit board does not output voltage.

If the manual power supply is manually input to each Hall circuit board, and then the voltage of the signal output pins of the Hall circuit boards is measured, the efficiency is low, and the production requirements cannot be met.

SUMMERY OF THE UTILITY MODEL

In view of the not enough of background art, the utility model provides a hall short circuit detection tool can appear the product of short circuit in the quick measurement hall circuit board.

For solving the technical problem, the utility model provides a following technical scheme: the utility model provides a hall short circuit detection tool, the on-line screen storage device comprises a base, power and voltage stabilizing circuit, the base top is equipped with the support plate, switch and pilot lamp, the standing groove has been seted up at the support plate top, the jack has been seted up to the standing groove bottom, a plurality of metal probes have been put to the jack inside, the power passes through the switch and is connected with voltage stabilizing circuit electricity, voltage stabilizing circuit carries out the steady voltage to the output voltage of power, voltage stabilizing circuit's voltage output end, earthing terminal and pilot lamp one end are connected with the metal probe electricity.

Further, the switch is a boat type switch.

Further, the voltage stabilizing circuit comprises a voltage stabilizing chip and two electrolytic capacitors, and the input end and the output end of the voltage stabilizing chip are respectively grounded through the electrolytic capacitors.

Wherein, the model of the voltage stabilization chip is 7533.

Furthermore, the switch is located the support plate right side, and the pilot lamp is located the support plate top.

Use the utility model discloses examine time measuring to hall circuit board, put hall circuit board in the standing groove, hall circuit board's power input pin passes through metal probe and is connected with the electricity this moment, and hall circuit board's signal output pin passes through metal probe and is connected with the pilot lamp electricity. When the ship-shaped switch is pressed down, the Hall circuit board is connected with the power supply, and if the circuit of the Hall circuit board is normal and short circuit does not occur, the signal output pin outputs driving voltage to drive the indicator lamp to shine, so that short circuit detection is realized.

Compared with the prior art, the utility model beneficial effect who has is: when the Hall circuit board is tested, the power input pin and the signal output pin of the Hall circuit board are respectively and electrically connected with the power supply and the indicating lamp through the metal probes, only the switch needs to be pressed, the operation is simple, if the circuit of the Hall circuit board is normal, the indicating lamp gives out light for prompting, and the test result is obvious.

Drawings

The utility model discloses there is following figure:

FIG. 1 is a schematic structural view of a base;

FIG. 2 is a top view of a carrier plate;

FIG. 3 is a front view of the carrier plate;

fig. 4 is a detection circuit diagram of the present invention.

In the figure: 1. the structure comprises a base, 2, a first opening, 3, a second opening, 4, a third opening, 5, a carrier plate, 50, a fixing hole, 51, a step, 52, a jack, 53, a metal probe, 54 and a placing groove.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1 to 4, a hall short circuit detection fixture includes a base 1, a power VCC and a voltage stabilizing circuit. The top of the base 1 is provided with a first opening 2, a second opening 3 and a third opening 4, the first opening 2 is used for installing a carrier plate 5, the second opening 3 is used for installing an indicator light, the third opening 4 is used for installing a switch, and the switch is a six-legged boat-shaped switch for the convenience of operation of a tester.

As can be seen from fig. 2, the carrier plate 5 is fixed on the base through the fixing holes 50 on two sides, the top of the carrier plate 5 is provided with a placing groove 54, a step 51 is arranged in the placing groove 54, the hall pcb can be easily taken out through the step 51, the bottom of the placing groove 54 is provided with a jack 52, a plurality of metal probes 53 are placed in the jack 52, and the metal probes 52 in this embodiment include a positive probe J2, a negative probe J1 and an output probe J3.

As can be seen from fig. 4, the power VCC is electrically connected to a voltage regulator circuit through a switch K1, the voltage regulator circuit includes a voltage regulator chip U1 with model 7533, electrolytic capacitors C1 and C2, and the indicator light is a light emitting diode LED 1. The voltage stabilizing circuit is used for stabilizing the 9V direct-current voltage output by the power supply to 3.3V, the voltage output end vout of the voltage stabilizing chip U1 is electrically connected with the anode probe J2, the grounding end gnd of the voltage stabilizing chip U1 is electrically connected with the cathode probe J1, and the anode of the light emitting diode LED1 is electrically connected with the output probe J3.

Use the utility model discloses when examining hall circuit board, put hall circuit board on the step 51 in standing groove 54, hall circuit board's power input pin is connected with positive probe J1, negative pole probe J2 electricity respectively this moment, and hall circuit board's signal output pin is connected with output probe J3 electricity. When the switch K1 is pressed, the Hall circuit board is connected to the power supply VCC, if the circuit of the Hall circuit board is normal and short circuit does not occur, the signal output pin outputs driving voltage to drive the light-emitting diode LED1 to light, and short circuit detection is further realized.

To sum up, the utility model discloses when testing hall circuit board, through metal probe with hall circuit board's power input pin and signal output pin respectively with power VCC and pilot lamp electricity be connected, only need press switch K1 can, easy operation, if hall circuit board circuit is normal, then the luminous suggestion of pilot lamp, the test result is obvious.

In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a hall short circuit detection tool which characterized in that: including base, power and voltage stabilizing circuit, support plate, switch and pilot lamp are installed to the base top, the standing groove has been seted up at the support plate top, the jack has been seted up to the standing groove bottom, a plurality of metal probes have been put to the jack inside, the power passes through the switch and is connected with the voltage stabilizing circuit electricity, voltage stabilizing circuit carries out the steady voltage to the output voltage of power, voltage stabilizing circuit's voltage output end, earthing terminal and pilot lamp one end are connected with the metal probe electricity respectively, the ground connection of the pilot lamp other end.

2. The Hall short-circuit detection tool of claim 1, characterized in that: the switch is a ship-type switch.

3. The Hall short-circuit detection tool of claim 1, characterized in that: the voltage stabilizing circuit comprises a voltage stabilizing chip and two electrolytic capacitors, wherein the input end and the output end of the voltage stabilizing chip are respectively grounded through the electrolytic capacitors.

4. The Hall short-circuit detection tool of claim 3, characterized in that: the model of the voltage stabilization chip is 7533.

5. The Hall short-circuit detection tool of claim 1, characterized in that: the switch is located the support plate right side, the pilot lamp is located the support plate top.