TWM482746U - Electromagnetic charging hooking watch - Google Patents

Description

Electromagnetic charging 鉤錶

The present invention is a type of enthalpy that detects the magnitude of a current flowing through a wire, and more particularly a enthalpy that can measure a current and convert the electromagnetic energy generated by the wire into electrical energy for charging.

The current detection method of the prior art is to connect an ammeter in series to a circuit to be tested, and use the ammeter to detect the current of a point to be measured, but when the ammeter is connected in series to the circuit to be tested, The point to be tested of the circuit to be tested is disconnected, and the two ends of the point to be measured are electrically connected to the two ends of the ammeter to be connected in series to the circuit to be tested. However, if the point to be tested of the circuit to be tested cannot be easily disconnected or cannot be reconnected after being disconnected, the ammeter cannot be used to measure the current, so it is still inconvenient to measure the current using the amperometric meter.

Referring to FIG. 3, in the prior art, a current 鉤錶100 is an electromagnetic field generated when a current flows through a wire. The magnitude of the current of the wire is converted by sensing the magnitude of the electromagnetic field, and the current is used.鉤錶100, the hook portion 101 of the current 鉤錶100 is hooked to the portion of the wire to be detected, and the hook portion 101 has a c-shaped iron core, which can improve the electromagnetic induction effect, and the c-shaped iron The core is surrounded by a detection line. When a current flows through the wire, an electromagnetic field is generated. The detection line can generate an induced current by electromagnetic induction according to the generation of the electromagnetic field. In this way, the current of the wire to be tested can be converted according to the magnitude of the induced current and the number of turns of the detection line surrounding the c-shaped core. The calculation current is calculated by a microprocessor in the current 鉤錶100. For this reason, the current 鉤錶100 needs to provide another power supply. The common way is to use battery power. However, when the battery is dead, it must be The battery can be replaced to continue to detect the current of the wire to be tested, which is inconvenient to use.

In view of the current state of the art, the current must be replaced by a battery. The main purpose of the present invention is to provide an electromagnetic energy charging device that utilizes electromagnetic energy charging. When detecting the current of the wire to be tested, not only the electromagnetic field can be used. The current is large, and the electromagnetic energy of the electromagnetic field can be further charged by the electromagnetic energy of the electromagnetic field, so that the electromagnetic energy of the present invention can be used without charging the battery.

In order to achieve the above object, the technical means adopted by the present invention is such that the electromagnetic energy charging device comprises: a hook electromagnetic induction unit for sensing an electromagnetic field to generate a corresponding induced current; and a rectifying unit having An AC input terminal and a DC output terminal are electrically connected to the hook electromagnetic induction unit, wherein the DC output terminal outputs a DC voltage; a conduction resistor is electrically connected to the AC input of the rectifier unit The inductive current flows through the conduction resistor to generate an induced voltage, and the rectifying unit rectifies the induced voltage to generate the DC voltage; a digital voltage detecting unit is electrically connected to the DC output end of the rectifying unit And detecting a voltage value of the DC output end of the rectifying unit, and outputting a digital voltage value; a micro processing unit electrically connected to the digital voltage detecting unit to generate a digital voltage value according to the digital voltage detecting unit and the conducting Calculating the current value of the induced current by calculating the resistance value of the resistance, and further calculating the electric quantity corresponding to the electromagnetic field a DC-to-DC conversion unit electrically connected to the DC output of the rectifier unit to convert the DC voltage and output a fixed voltage; and a rechargeable battery electrically connected to the DC-to-DC conversion unit to The fixed voltage is used to charge and is electrically connected to the microprocessor unit to provide its electrical energy.

In the novel, the induced current is induced by an electromagnetic field generated by a wire to be detected, and the induced current is used to charge. In this way, the current of the electric wire to be detected can be simultaneously detected and the rechargeable battery can be charged, so that the rechargeable battery has sufficient electric energy to be supplied to the micro processing unit, so that the electromagnetic energy can be charged, and the battery can be replaced frequently. It works properly. Moreover, the new line uses the rechargeable battery to provide electric energy, which reduces the generation of waste batteries compared with the general dry battery, and the new type has the effect of environmental protection and energy saving.

The technical means adopted by the present invention for achieving the intended purpose are further explained below in conjunction with the drawings and the preferred embodiment of the present invention.

Referring to FIG. 1, the electromagnetic energy charging system of the present invention is used for detecting the current of a wire to be tested 10, and an electric field is generated around the wire 10 to be tested when a current flows. Referring to FIG. 2 together, the electromagnetic energy charging hook table includes a hook electromagnetic induction unit 20, a rectifying unit 30, a conduction resistance R, a digital voltage detecting unit 40, a micro processing unit 50, and a continuous flow. The DC conversion unit 60 and a rechargeable battery 70 are provided.

The hook electromagnetic induction unit 20 is hooked to the electric wire to be tested 10 for sensing the magnitude of the electromagnetic field generated by the electric wire to be tested 10, and generates a corresponding induced current according to the change of the magnitude of the electromagnetic field. The rectifying unit 30 has an AC input end and a DC output end. The AC input end is electrically connected to the hook electromagnetic induction unit 20, and the DC output end outputs a DC voltage. The conduction resistance R is electrically connected to the AC input terminal of the rectifying unit 30. The induced current flows through the conduction resistor R to generate an induced voltage, and the rectifying unit 30 rectifies the induced voltage to generate the DC voltage. The digital voltage detecting unit 40 is electrically connected to the DC output end of the rectifying unit 30, and detects the magnitude of the voltage value of the DC output end of the rectifying unit to output a digital voltage value, that is, a voltage value of the DC voltage. The micro processing unit 50 is electrically connected to the digital voltage detecting unit 40, and calculates a current value of the induced current according to the digital voltage value and the resistance value of the conductive resistor R, and further calculates a current value corresponding to the electromagnetic field, that is, a current The magnitude of the current through the wire 10 to be tested. The magnitude of the resistance of the conduction resistance R is set in advance in the microprocessing unit 50. In the preferred embodiment, the hook electromagnetic induction unit 20 includes a c-shaped core 21, and the c-shaped core 21 is surrounded by a plurality of sensing lines 22, and the two ends of the sensing line 22 The point is electrically connected to the AC input of the rectifying unit 30. The rectifying unit 30 is a bridge rectifier. The digital voltage detecting unit 40 is a volt meter V.

The DC-to-DC conversion unit 60 is electrically connected to the DC output end of the rectification unit 30 to convert the DC voltage and output a fixed voltage. The rechargeable battery 70 is electrically coupled to the DC-to-DC conversion unit 60 for charging with the fixed voltage and electrically coupled to the microprocessor unit 50 to provide power to the microprocessor unit 50. In the preferred embodiment, the DC-to-DC converter unit 60 is a Buck-Boost DC-to-DC converter, and can also be powered by a power converter having the same function. The pressure type DC to DC converter is limited.

The present invention senses the electromagnetic field generated by the wire to be tested 10 by the hook electromagnetic induction unit 20, generates the induced current, and rectifies the induced current, and outputs the fixed voltage to the DC conversion unit 60 to charge the current. The battery 70 is charged. Therefore, the electromagnetic energy charging device can measure the current of the electric wire to be tested 10 and simultaneously charge the rechargeable battery 70, so that the rechargeable battery 70 always has sufficient electric energy to enable the electromagnetic energy charging device to operate normally. To detect the current size. The present invention does not need to change the battery frequently, and can also charge the rechargeable battery 70 by measuring the current, so that it can continue to detect the current normally, so that the disadvantage that the prior art must replace the battery frequently is inconvenient.

Further, the electromagnetic energy charging device further includes a charging protection unit 80, an overvoltage protection unit 90, a display unit 51, and a wireless transmission unit 52. The charging protection unit 80 is electrically connected between the DC-DC conversion unit 60 and the rechargeable battery 70 to adjust the charging current of the rechargeable battery 70, and overcharge and over-discharge the rechargeable battery 70. The rechargeable battery 70 is not overcharged or overdischarged. The overvoltage protection unit 90 is electrically connected to the DC output end of the rectification unit 30, the DC to DC conversion unit 60 and the digital voltage detection unit 40 to eliminate the DC voltage of a large current value to protect the electromagnetic energy charging. Internal circuit. The overvoltage protection unit 90 determines that when the voltage value of the DC voltage is too large, that is, when the current value exceeds a critical current value, a pair of ground discharge paths are formed to protect the DC-DC conversion unit 60 and the digital voltage detection. The unit 40 is not burned by an excessive current, and when the voltage value of the DC voltage is normal, that is, when the current value does not exceed the critical current, the DC voltage is directly output.

The display unit 51 is electrically connected to the micro processing unit 50 for displaying a current value corresponding to the electromagnetic field calculated by the micro processing unit 50. The wireless transmission unit 52 is also electrically connected to the micro processing unit 50 to receive the current value corresponding to the electromagnetic field calculated by the micro processing unit 50, and convert the current value into a wireless signal according to a wireless communication protocol, and the wireless The signal is sent externally to an external electronic device (not shown). In the preferred embodiment, the wireless communication protocol of the wireless transmission unit 52 is ZigBee or Bluetooth Low Energy (BLE).

The novel system can not only calculate the current of the electric wire to be tested 10 according to the induced current, but also charge the electric current to supplement the electric energy. Therefore, the electromagnetic charging plug of the present invention does not need to replace the battery from time to time, and can also be used for a long time, and can further reduce the generation of waste batteries, and is more environmentally friendly.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Although the present invention has been disclosed above in the preferred embodiments, it is not intended to limit the present invention, and In general, those skilled in the art can make some modifications or modifications to equivalent embodiments by using the technical content disclosed above, without departing from the scope of the present invention. Any novel modifications, equivalent changes, and modifications made to the above embodiments are still within the scope of the present invention.

10‧‧‧Wires to be tested
20‧‧‧Hook electromagnetic induction unit
21‧‧‧c core
22‧‧‧Induction line
30‧‧‧Rectifier unit
40‧‧‧Digital voltage detection unit
50‧‧‧Microprocessing unit
51‧‧‧Display unit
52‧‧‧Wireless transmission unit
60‧‧‧DC to DC converter unit
70‧‧‧Rechargeable battery
80‧‧‧Charging protection unit
90‧‧‧Overvoltage protection unit
100‧‧‧current 鉤錶
101‧‧‧ hook

1 is a schematic circuit diagram of a preferred embodiment of the present invention. 2 is a functional block diagram of a preferred embodiment of the present invention. Figure 3 is a perspective view of a prior art current crucible.

20‧‧‧Hook electromagnetic induction unit

30‧‧‧Rectifier unit

40‧‧‧Digital voltage detection unit

50‧‧‧Microprocessing unit

51‧‧‧Display unit

52‧‧‧Wireless transmission unit

60‧‧‧DC to DC converter unit

70‧‧‧Rechargeable battery

80‧‧‧Charging protection unit

90‧‧‧Overvoltage protection unit

Claims (20)

An electromagnetic energy charging device includes: a hook electromagnetic induction unit for inducing an electromagnetic field to generate a corresponding induced current; and a rectifying unit having an alternating current input end and a direct current output end, the alternating current The input end is electrically connected to the hook electromagnetic induction unit, wherein the DC output end outputs a DC voltage; a conduction resistor is electrically connected to the AC input end of the rectifying unit, wherein the induced current flows through the conduction resistor to generate An induced voltage, and the rectifying unit rectifies the induced voltage to generate the DC voltage; a digital voltage detecting unit is electrically connected to the DC output end of the rectifying unit to detect a voltage value of the DC output end of the rectifying unit And outputting a digital voltage value; a micro processing unit electrically connected to the digital voltage detecting unit to calculate a current value of the induced current according to the digital voltage value output by the digital voltage detecting unit and the resistance value of the conductive resistor And further calculating the current value corresponding to the electromagnetic field; a DC to DC conversion unit, is electrically Connected to the DC output end of the rectifying unit to convert the DC voltage and output a fixed voltage; and a rechargeable battery electrically connected to the DC-DC converting unit to be charged by the fixed voltage and electrically connected to the micro Processing unit to provide its electrical energy. The electromagnetic energy charging device of claim 1, further comprising: a charging protection unit electrically connected between the DC-DC converting unit and the rechargeable battery to adjust a charging current of the rechargeable battery. The electromagnetic energy charging device of claim 1, further comprising: an overvoltage protection unit electrically connected to the DC output end of the rectifying unit, the DC to DC conversion unit, and the digital voltage detecting unit, When it is determined that the voltage value of the DC voltage exceeds a critical current value, a pair of ground discharge paths are formed. The electromagnetic energy charging device according to claim 2, further comprising: an overvoltage protection unit electrically connected to the DC output end of the rectifying unit, the DC to DC conversion unit, and the digital voltage detecting unit, When it is determined that the voltage value of the DC voltage exceeds a critical current value, a pair of ground discharge paths are formed. The electromagnetic energy charging device according to any one of claims 1 to 4, further comprising: a display unit electrically connected to the micro processing unit for displaying the electromagnetic field corresponding to the calculation by the micro processing unit The current value. The electromagnetic energy charging device according to any one of claims 1 to 4, further comprising: a wireless transmission unit electrically connected to the micro processing unit to receive the electromagnetic field corresponding to the micro processing unit The current value is converted to a wireless signal and transmitted to the outside according to a wireless communication protocol. The electromagnetic energy charging device of claim 5, further comprising: a wireless transmission unit electrically connected to the micro processing unit to receive the current value corresponding to the electromagnetic field calculated by the micro processing unit, and according to The wireless communication protocol converts the current value into a wireless signal for external transmission. The electromagnetic energy charging device of claim 6, wherein the wireless communication protocol is ZigBee or Bluetooth Low Energy (BLE). The electromagnetic energy charging device of claim 7, wherein the wireless communication protocol is ZigBee or Bluetooth Low Energy (BLE). The electromagnetic energy charging device according to any one of claims 1 to 4, wherein the hook electromagnetic induction unit comprises: a c-shaped iron core surrounded by a plurality of sensing lines, and the sensing line Both ends are electrically connected to the AC input of the rectifying unit. The electromagnetic energy charging device of claim 5, wherein the hook electromagnetic induction unit comprises: a c-shaped iron core surrounded by a plurality of sensing lines, and the two ends of the sensing line are electrically connected To the AC input of the rectifier unit. The electromagnetic energy charging device according to claim 6, wherein the hook electromagnetic induction unit comprises: a c-shaped iron core, which is surrounded by a plurality of sensing lines, and the two ends of the sensing line are electrically connected. To the AC input of the rectifier unit. The electromagnetic energy charging cartridge of any one of claims 1 to 4, wherein the rectifying unit is a bridge rectifier. The electromagnetic energy charging device of claim 5, wherein the rectifying unit is a bridge rectifier. The electromagnetic energy charging device of claim 6, wherein the rectifying unit is a bridge rectifier. The electromagnetic energy charging device of claim 10, wherein the rectifying unit is a bridge rectifier. The electromagnetic energy charging device of any one of claims 1 to 4, wherein the digital voltage detecting unit is one volt meter. The electromagnetic energy charging device of claim 5, wherein the digital voltage detecting unit is one volt meter. The electromagnetic energy charging device of claim 6, wherein the digital voltage detecting unit is one volt meter. The electromagnetic energy charging device of claim 10, wherein the digital voltage detecting unit is one volt meter.