Electric meter apparatus with light-blinking function

An electric meter apparatus applied to an external resistor, the electric meter apparatus comprising:

• a positive-side probe, one side of the positive-side probe connected to one side of the external resistor;
• a negative-side probe, one side of the negative-side probe connected to the other side of the external resistor, the other side of the negative-side probe connected to ground;
• a resistor measuring circuit connected to the other side of the positive-side probe;
• a voltage supply unit connected to the resistor measuring circuit;
• a micro control unit connected to the resistor measuring circuit;
• a light-blinking indication unit connected to the micro control unit;
• and
• a sound indication unit connected to the micro control unit,
• wherein the resistor measuring circuit is configured to measure the external resistor to obtain a resistance value of the external resistor through the positive-side probe and the negative-side probe;
• the resistor measuring circuit is configured to inform the micro control unit of the resistance value of the external resistor;
• a measuring time is defined as a duration that the resistor measuring circuit is configured to measure the external resistor through the positive-side probe and the negative-side probe and the resistance value of the external resistor is less than or equal to a predetermined value;
• the micro control unit is configured to calculate and determine the measuring time;
• wherein if the measuring time is less than a predetermined time and the light-blinking indication unit is not lighting, the micro control unit is configured to control the light-blinking indication unit to light and the micro control unit is configured to control the sound indication unit to generate sounds simultaneously in the predetermined time;
• if the measuring time is less than the predetermined time and the light-blinking indication unit is lighting, the micro control unit is configured to turn off the light-blinking indication unit and the micro control unit is configured to control the sound indication unit to generate the sounds simultaneously in the predetermined time;
• if the measuring time is not less than the predetermined time, the micro control unit is configured to control the light-blinking indication unit to light blinkingly and the micro control unit is configured to control the sound indication unit to generate the sounds simultaneously.

An electric meter apparatus applied to an external resistor, the electric meter apparatus comprising:

• a positive-side probe, one side of the positive-side probe connected to one side of the external resistor;
• a negative-side probe, one side of the negative-side probe connected to the other side of the external resistor, the other side of the negative-side probe connected to ground;
• a resistor measuring circuit connected to the other side of the positive-side probe;
• a voltage supply unit connected to the resistor measuring circuit;
• a micro control unit connected to the resistor measuring circuit;
• a backlight module connected to the micro control unit;
• and
• a sound indication unit connected to the micro control unit,
• wherein the resistor measuring circuit is configured to measure the external resistor to obtain a resistance value of the external resistor through the positive-side probe and the negative-side probe;
• the resistor measuring circuit is configured to inform the micro control unit of the resistance value of the external resistor;
• a measuring time is defined as a duration that the resistor measuring circuit is configured to measure the external resistor through the positive-side probe and the negative-side probe and the resistance value of the external resistor is less than or equal to a predetermined value;
• the micro control unit is configured to calculate and determine the measuring time;
• wherein if the measuring time is less than a predetermined time and the backlight module is not lighting, the micro control unit is configured to control the backlight module to light and the micro control unit is configured to control the sound indication unit to generate sounds simultaneously in the predetermined time;
• if the measuring time is less than the predetermined time and the backlight module is lighting, the micro control unit is configured to turn off the backlight module and the micro control unit is configured to control the sound indication unit to generate the sounds simultaneously in the predetermined time;
• if the measuring time is not less than the predetermined time, the micro control unit is configured to control the backlight module to light blinkingly and the micro control unit is configured to control the sound indication unit to generate the sounds simultaneously.