Current transformer induction energy-taking charging circuit

Abstract

The utility model provides a current transformer induction energy-taking charging circuit, which relates to the technical field of automobile charging equipment, and comprises a first chip and an induction circuit, the induction circuit comprises a first branch, a second branch, a third branch and a fourth branch which are arranged in parallel, the first branch is provided with a voltage-regulator tube, and the fourth branch is provided with a voltage-regulator tube. A first capacitor is arranged on the second branch circuit, a first diode and a second diode are arranged on the third branch circuit, a third diode and a fourth diode are arranged on the fourth branch circuit, a fifth branch circuit is arranged between the third branch circuit and the fourth branch circuit, and a current transformer is arranged on the fifth branch circuit; one common node of the first branch, the second branch, the third branch and the fourth branch is connected with the single-chip microcomputer, and the other common node is grounded. The charging gun can provide induced current for the remote controller integrated with the charging gun, so that the processes of charging and battery replacement are avoided, and the remote controller has electric quantity all the time.

Description

Technical Field

[0001] The utility model relates to the technical field of charging equipment, and in particular to a circuit for charging by inductive energy extraction using a current transformer. Background Art

[0002] Existing charging guns are integrated with devices such as remote controllers. These devices are typically powered by batteries or accumulators. Since remote controllers are frequently used, they require regular charging or battery replacement. Failure to do so can render the remote controller inoperable, delaying both the operator's work and the user's time.

[0003] Therefore, there is an urgent need for a current transformer inductive energy charging circuit to solve the problem that the remote control integrated in the charging gun cannot be used when the remote control is not charged or the battery is replaced in time, thereby delaying the work of the staff and the user's time. Utility Model Content

[0004] The utility model provides a circuit for charging by inductive energy extraction using a current transformer, which solves the problem that the remote control integrated in the charging gun cannot be used when the remote control is not charged or the battery is not replaced in time, thereby wasting the work of the staff and the time of the user.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A circuit for charging by inductive energy extraction using a current transformer, comprising:

[0007] First Chip;

[0008] The sensing circuit includes a first branch, a second branch, a third branch, and a fourth branch arranged in parallel, wherein the first branch is provided with a voltage regulator, the second branch is provided with a first capacitor, the third branch is provided with a first diode and a second diode, the fourth branch is provided with a third diode and a fourth diode, a fifth branch is provided between the three branches and the fourth branch, and the fifth branch is provided with a current transformer; a common node of the first branch, the second branch, the third branch, and the fourth branch is connected to the single-chip microcomputer, and another common node is grounded.

[0009] Furthermore, it also includes a wireless transmission circuit, which includes a second chip. The second chip is electrically connected to the first chip, and the second chip is connected to a light emitting diode.

[0010] Furthermore, it includes a control circuit, which includes a connector; ports 3 and 4 of the connector are connected to a control switch, and ports 5 and 6 of the connector are connected to a control switch;

[0011] Ports 2 and 3 of the connector are connected to a first resistor, a voltage regulator tube is provided in parallel with the first resistor, and port 4 of the connector is connected to a second resistor, one end of the second resistor is connected to the voltage regulator tube;

[0012] Port No. 5 of the connector is connected to a third chip, which is electrically connected to the first chip. Port No. 2 of the third chip is connected to a second capacitor. Port No. 5 of the connector, port No. 1 and port No. 3 of the third chip are commonly connected to a first field-effect transistor. A third resistor is provided in parallel with the first field-effect transistor. The third resistor is connected to port No. 6 of the connector. The third resistor is also connected to a second field-effect transistor. The second field-effect transistor is provided in parallel with a fourth resistor.

[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0014] Due to the induction circuit, when the charging gun is working, the induction circuit generates current to power the remote control integrated into the charging gun, eliminating the need to charge the remote control or replace batteries. This utility model can provide an induction current for the remote control integrated into the charging gun, thus avoiding the need for charging and replacing batteries, and ensuring that the remote control always has a charge. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structural composition of the present utility model. DETAILED DESCRIPTION

[0016] The present invention will be described in detail below with reference to the accompanying drawings.

[0017] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0018] This embodiment provides a circuit for charging by using a current transformer to inductively obtain energy, such as Figure 1 As shown, including:

[0019] First chip U1;

[0020] The sensing circuit includes a first branch, a second branch, a third branch and a fourth branch arranged in parallel, a voltage regulator D6 is provided on the first branch, a first capacitor C2 is provided on the second branch, a first diode D2 and a second diode D5 are provided on the third branch, a third diode D1 and a fourth diode D4 are provided on the fourth branch, a fifth branch is provided between the three branches and the fourth branch, and a current transformer CT1 is provided on the fifth branch; a common node of the first branch, the second branch, the third branch and the fourth branch is connected to the single-chip microcomputer, and another common node is grounded.

[0021] Due to the induction circuit, when the charging gun is working, the induction circuit generates current to power the remote control integrated into the charging gun, eliminating the need to charge the remote control or replace batteries. This utility model can provide an induction current for the remote control integrated into the charging gun, thus avoiding the need for charging and replacing batteries, and ensuring that the remote control always has a charge.

[0022] The above embodiment is further optimized to further include a wireless transmission circuit. The wireless transmission circuit includes a second chip U4. The second chip U4 is electrically connected to the first chip U1. The second chip U4 is connected to a light emitting diode.

[0023] The above embodiment is further optimized, including a control circuit, the control circuit including a connector P1; ports 3 and 4 of the connector P1 are connected to a control switch, and ports 5 and 6 of the connector P1 are connected to a control switch;

[0024] The first resistor R5 is connected to the No. 2 and No. 3 ports of the connector P1. A voltage regulator D8 is connected in parallel to the first resistor R5. The second resistor R1 is connected to the No. 4 port of the connector P1. One end of the second resistor R1 is connected to the voltage regulator D8.

[0025] Port No. 5 of connector P1 is connected to the third chip U2, which is electrically connected to the first chip U1. Port No. 2 of the third chip U2 is connected to the second capacitor C11. Port No. 5 of connector P1 and ports No. 1 and No. 3 of the third chip U2 are commonly connected to the first field-effect transistor F1. The first field-effect transistor F1 is connected in parallel with a third resistor R3. The third resistor R3 is connected to port No. 6 of the connector P1. The third resistor R3 is also connected to a second field-effect transistor F2, and the second field-effect transistor F2 is connected in parallel with a fourth resistor R4.

[0026] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A circuit for charging by inductive current transformer, characterized in that: include: First Chip; The sensing circuit includes a first branch, a second branch, a third branch, and a fourth branch arranged in parallel, wherein the first branch is provided with a voltage regulator, the second branch is provided with a first capacitor, the third branch is provided with a first diode and a second diode, the fourth branch is provided with a third diode and a fourth diode, a fifth branch is provided between the three branches and the fourth branch, and the fifth branch is provided with a current transformer; a common node of the first branch, the second branch, the third branch, and the fourth branch is connected to the single-chip microcomputer, and another common node is grounded.

2. A current transformer inductive energy charging circuit according to claim 1, characterized in that: It also includes a wireless transmitting circuit, which includes a second chip. The second chip is electrically connected to the first chip, and the second chip is connected to a light emitting diode.

3. A current transformer inductive energy charging circuit according to claim 1, characterized in that: The control circuit includes a connector; ports 3 and 4 of the connector are connected to a control switch, and ports 5 and 6 of the connector are connected to a control switch; Ports 2 and 3 of the connector are connected to a first resistor, a voltage regulator tube is provided in parallel with the first resistor, and port 4 of the connector is connected to a second resistor, one end of the second resistor is connected to the voltage regulator tube; Port No. 5 of the connector is connected to a third chip, which is electrically connected to the first chip. Port No. 2 of the third chip is connected to a second capacitor. Port No. 5 of the connector, port No. 1 and port No. 3 of the third chip are commonly connected to a first field-effect transistor. A third resistor is arranged in parallel with the first field-effect transistor. The third resistor is connected to port No. 6 of the connector. The third resistor is also connected to a second field-effect transistor. The second field-effect transistor is arranged in parallel with a fourth resistor.

Images