CN219086852U - Activation circuit - Google Patents
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- CN219086852U CN219086852U CN202223610162.6U CN202223610162U CN219086852U CN 219086852 U CN219086852 U CN 219086852U CN 202223610162 U CN202223610162 U CN 202223610162U CN 219086852 U CN219086852 U CN 219086852U
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Abstract
The present utility model relates to an activation circuit. The activation circuit comprises a photoelectric coupler, a charge-discharge capacitor, a first switching tube, a second switching tube and a system controller: the input end of the photoelectric coupler is respectively used for accessing an activation signal and a power supply circuit; the first end of the charge-discharge capacitor is connected with the output end of the photoelectric coupler; the first pole of the first switching tube is respectively connected with the second end of the charge-discharge capacitor and the output end of the system controller; the first switching tube is conducted under the drive of an activating signal through the charge-discharge capacitor; the first pole of the second switching tube is connected with the third pole of the first switching tube, the second pole is used for being connected with a power supply circuit, and the third pole is connected with the power supply end of the system controller; the second switching tube is used for being switched into a conducting state when the first switching tube is conducted; after receiving the power supply voltage from the power supply circuit, the system controller continuously outputs a driving signal so as to keep the first switching tube in a conducting state. The activation circuit can quickly realize the activation of the system and has high reliability.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to an activation circuit.
Background
Batteries are widely used in the fields of consumer electronics, new energy automobiles, energy storage devices and the like, and are usually in the form of a battery pack composed of a plurality of batteries according to use requirements. During charging, it is necessary to switch the system to charge one battery after the other battery is full, and an activation circuit is typically used to activate the system during the switching.
However, most of the current activation circuits are powered or activated by physical keys, and if the activation voltage fluctuates or the keys fail, the activation failure is easily caused, which affects the operational reliability of the activation circuits.
Disclosure of Invention
Based on this, it is necessary to provide an activation circuit with high reliability.
The embodiment of the application provides an activation circuit which comprises a photoelectric coupler, a charge-discharge capacitor, a first switching tube, a second switching tube and a system controller;
the input end of the photoelectric coupler is respectively used for accessing an activation signal and a power supply circuit;
the first end of the charge-discharge capacitor is connected with the output end of the photoelectric coupler;
the first pole of the first switching tube is respectively connected with the second end of the charge-discharge capacitor and the output end of the system controller, and the second pole of the first switching tube is grounded; the first switching tube is conducted under the drive of an activating signal through the charge-discharge capacitor;
the first pole of the second switching tube is connected with the third pole of the first switching tube, the second pole is used for being connected with a power supply circuit, and the third pole is connected with the power supply end of the system controller; the second switching tube is used for being switched into a conducting state when the first switching tube is conducted;
after the power supply end receives the power supply voltage from the power supply circuit, the system controller continuously outputs a driving signal from the output end so as to enable the first switching tube to be kept in a conducting state.
In one embodiment, the activation circuit further comprises:
the first resistor is connected in series between the second end of the charge-discharge capacitor and the first pole of the first switching tube;
the second resistor is connected in series between the first pole and the second pole of the first switching tube.
In one embodiment, the activation circuit further comprises:
the third resistor is connected in series between a third pole of the first switching tube and a first pole of the second switching tube;
and the fourth resistor is connected in series between the first pole and the second pole of the second switching tube.
In one embodiment, the activation circuit further comprises:
and the fifth resistor is connected in series between the first end of the charge-discharge capacitor and the ground.
In one embodiment, the activation circuit further comprises:
the anode of the first diode is connected with the output end of the photoelectric coupler, and the cathode of the first diode is connected with the first end of the charge-discharge capacitor.
In one embodiment, the activation circuit further comprises:
and the anode of the second diode is used for being connected with a power supply circuit, and the cathode of the second diode is connected with the second diode of the second switching tube.
In one embodiment, the activation circuit further comprises:
the anode of the third diode is connected with the output end of the system controller;
and one end of the sixth resistor is connected with the cathode of the third diode, and the other end of the sixth resistor is connected with the first pole of the first switching tube.
In one embodiment, the activation circuit further comprises:
and the anode of the fourth diode is connected with the first pole of the second switching tube, and the cathode of the fourth diode is connected with the second pole of the second switching tube.
In one embodiment, the activation circuit further comprises:
the communication interface is used for accessing the activation signal output by the communication circuit.
In one embodiment, the activation circuit further comprises:
and the power supply circuit is used for providing power supply voltage for the photoelectric coupler, the second switching tube and the system controller.
The activation circuit comprises a photoelectric coupler, a charge-discharge capacitor, a first switching tube, a second switching tube and a system controller. The input end of the photoelectric coupler is respectively used for accessing an activation signal and a power supply circuit; the first end of the charge-discharge capacitor is connected with the output end of the photoelectric coupler; the first pole of the first switching tube is respectively connected with the second end of the charge-discharge capacitor and the output end of the system controller, and the second pole of the first switching tube is grounded; the first switching tube is conducted under the drive of an activating signal through the charge-discharge capacitor; the first pole of the second switching tube is connected with the third pole of the first switching tube, the second pole is used for being connected with a power supply circuit, and the third pole is connected with the power supply end of the system controller; the second switching tube is used for being switched into a conducting state when the first switching tube is conducted; after the power supply end receives the power supply voltage from the power supply circuit, the system controller continuously outputs a driving signal from the output end so as to enable the first switching tube to be kept in a conducting state.
Through the structure, when the input end of the photoelectric coupler receives the activation signal, the photoelectric coupler drives the charge-discharge capacitor to charge, and the first switching tube is saturated and conducted in the charge process of the charge-discharge capacitor, so that the second switching tube is switched from the off state to the on state, and the power supply circuit supplies power to the system controller. And then, after the power supply end of the system controller receives the power supply voltage from the power supply circuit, outputting a driving signal from the output end so as to keep the first switch tube in a conducting state, and keeping the system controller on, thereby realizing the activation of the system. The activation circuit can quickly realize the activation of the system, and the signal flow provided by the communication circuit and the like is based on the activation signal, so that the interference can be avoided, and the activation circuit has high reliability.
Drawings
In order to more clearly illustrate the technical solutions of embodiments or conventional techniques of the present application, the drawings required for the descriptions of the embodiments or conventional techniques will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of an embodiment of an activation circuit;
fig. 2 is a schematic circuit diagram of an activating circuit according to an embodiment.
Detailed Description
In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Examples of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It will be understood that the terms "first," "second," and the like, as used herein, may be used to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another element. For example, a first resistance may be referred to as a second resistance, and similarly, a second resistance may be referred to as a first resistance, without departing from the scope of the present application. Both the first resistor and the second resistor are resistors, but they are not the same resistor.
It is to be understood that in the following embodiments, "connected" is understood to mean "electrically connected", "communicatively connected", etc., if the connected circuits, modules, units, etc., have electrical or data transfer between them.
As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof. Also, the term "and/or" as used in this specification includes any and all combinations of the associated listed items.
In this embodiment, the structure of the activation circuit is shown in fig. 1, and includes a photo coupler 20, a charge-discharge capacitor 40, a first switching tube 50, a second switching tube 60, and a system controller 80;
the input end of the photoelectric coupler 20 is used for accessing an activation signal AS and a power supply circuit 90 respectively;
the first end of the charge-discharge capacitor 40 is connected with the output end of the photoelectric coupler 20;
the first pole of the first switching tube 50 is respectively connected with the second end of the charge-discharge capacitor 40 and the output end of the system controller 80, and the second pole of the first switching tube 50 is grounded; the first switching tube 50 is conducted under the drive action of an activation signal AS through the charge-discharge capacitor 40;
the first pole of the second switching tube 60 is connected with the third pole of the first switching tube 50, the second pole is used for being connected with the power supply circuit 90, and the third pole is connected with the power supply end of the system controller 80; the second switching tube 60 is used for switching to a conducting state when the first switching tube 50 is conducted;
after the power supply terminal receives the power supply voltage from the power supply circuit 90, the system controller 80 continuously outputs a driving signal from the output terminal so as to maintain the first switching tube 50 in a conductive state.
Specifically, after the input end of the photocoupler 20 receives the activation signal AS, the light emitter in the photocoupler 20 emits light, and the light receiver in the photocoupler 20 outputs an electrical signal to the first end of the charge-discharge capacitor 40 after receiving the light, so AS to charge the charge-discharge capacitor 40. The first pole of the first switching tube 50 is connected to the second end of the charge-discharge capacitor 40, and the first switching tube 50 is saturated and turned on under the driving action of the charge-discharge capacitor 40. The second pole of the second switching tube 60 is connected to the power supply circuit 90, and the first switching tube 50 is turned on to change the voltage between the first pole and the second pole of the second switching tube 60, so that the second switching tube 60 is switched to a conductive state. After the second switching tube 60 is turned on, the power supply voltage of the power supply circuit 90 is transmitted to the power supply end of the system controller 80 through the second switching tube 60, so that the system starts to work. After the power supply end receives the power supply voltage from the power supply circuit 90, the system controller 80 continuously outputs a driving signal from the output end, so that the first switching tube 50 is kept in a conducting state, and further the power supply voltage is continuously output to the power supply end of the system controller 80, and the system controller 80 is kept on, so that activation of the system is realized.
The activation circuit of the application comprises a photoelectric coupler 20, a charge-discharge capacitor 40, a first switching tube 50, a second switching tube 60 and a system controller 80. The input end of the photoelectric coupler 20 is used for accessing an activation signal AS and a power supply circuit 90 respectively; the first end of the charge-discharge capacitor 40 is connected with the output end of the photoelectric coupler 20; the first pole of the first switching tube 50 is respectively connected with the second end of the charge-discharge capacitor 40 and the output end of the system controller 80, and the second pole of the first switching tube 50 is grounded; the first switching tube 50 is conducted under the drive action of an activation signal AS through the charge-discharge capacitor 40; the first pole of the second switching tube 60 is connected with the third pole of the first switching tube 50, the second pole is used for being connected with the power supply circuit 90, and the third pole is connected with the power supply end of the system controller 80; the second switching tube 60 is used for switching to a conducting state when the first switching tube 50 is conducted; after the power supply terminal receives the power supply voltage from the power supply circuit 90, the system controller 80 continuously outputs a driving signal from the output terminal so as to maintain the first switching tube 50 in a conductive state.
With the above structure, when the input end of the photocoupler 20 receives the activation signal AS, the photocoupler 20 drives the charge-discharge capacitor 40 to charge, and the first switching tube 50 is saturated and turned on during the charge-discharge process of the charge-discharge capacitor 40, so that the second switching tube 60 is also switched from the off state to the on state, and the power supply circuit 90 supplies power to the system controller 80. Immediately after the power supply terminal of the system controller 80 receives the power supply voltage from the power supply circuit 90, a driving signal is output from the output terminal, so that the first switching tube 50 is kept in a conducting state, and the system controller 80 is kept on, thereby realizing activation of the system. The activation circuit can quickly realize the activation of the system, and the signal flow provided by the communication circuit and the like is based on the activation signal AS, so that the interference can be avoided, and the activation circuit has high reliability.
In one embodiment, the activation circuit further comprises a first resistor and a second resistor. The first resistor is connected in series between the second end of the charge-discharge capacitor 40 and the first pole of the first switching tube 50; the second resistor is connected in series between the first pole and the second pole of the first switching tube 50.
Specifically, the first resistor and the second resistor form a voltage dividing module, and in the process of charging the charge-discharge capacitor 40 driven by the activation signal AS, the voltage variation of the first pole of the first switching tube 50 is controlled, so that the voltage difference between the first pole and the second pole of the first switching tube 50 meets the conduction condition of the first switching tube 50, so that the first switching tube 50 is saturated and conducted. Through the voltage division module, an adaptive electric signal is provided for the first switching tube 50, so that the first switching tube 50 is prevented from being damaged due to signal mismatch, and the reliability of products is improved.
In one embodiment, the activation circuit further comprises a third resistor and a fourth resistor. Wherein the third resistor is connected in series between the third pole of the first switching tube 50 and the first pole of the second switching tube 60; the fourth resistor is connected in series between the first pole and the second pole of the second switching tube 60.
Specifically, the second pole of the second switching tube 60 is used for connecting the power supply circuit 90, the third resistor and the fourth resistor form a voltage dividing module, and when the first switching tube 50 is turned on, the voltage difference between the first pole and the second pole of the second switching tube 60 satisfies the conduction condition of the second switching tube 60, so that the second switching tube 60 is saturated and turned on. The third resistor and the fourth resistor may provide an adapted electrical signal input to the second switching tube 60. The first switching tube 50 and the second switching tube 60 can realize differential type selection, and the second switching tube 60 can be selected by taking the size of the power supply voltage between the power supply circuit 90 and the system controller 80 into consideration.
In one embodiment, the activation circuit further comprises a fifth resistor. The fifth resistor is connected in series between the first end of the charge-discharge capacitor 40 and ground.
Specifically, after the system is activated, the charge-discharge capacitor 40 discharges through the fifth resistor to realize the reset of the activation circuit.
In one embodiment, the activation circuit further comprises a first diode. Wherein, the anode of the first diode is connected to the output end of the photo coupler 20, and the cathode is connected to the first end of the charge-discharge capacitor 40.
Specifically, the first diode is connected in series between the output terminal of the photo coupler 20 and the first terminal of the charge-discharge capacitor 40 in the forward direction, so as to prevent the current at the charge-discharge capacitor 40 from flowing back to the photo coupler 20.
In one embodiment, the activation circuit further comprises a second diode. The anode of the second diode is connected to the power supply circuit 90, and the cathode of the second diode is connected to the second diode of the second switching tube 60.
Specifically, the second diode is connected in series between the power supply circuit 90 and the second diode of the second switching tube 60 in a forward direction, so as to prevent the current at the second switching tube 60 from flowing back to the power supply circuit 90.
In one embodiment, the activation circuit further comprises a third diode and a sixth resistor. Wherein the anode of the third diode is connected to the output of the system controller 80; one end of the sixth resistor is connected to the cathode of the third diode, and the other end is connected to the first pole of the first switching tube 50.
Specifically, the third diode is connected in series between the output terminal of the system controller 80 and the first pole of the first switching tube 50 in the forward direction, so as to prevent the current at the first switching tube 50 from flowing back to the system controller 80. The sixth resistor is used for limiting the current of the driving signal output by the output end of the system controller 80, so that the driving signal maintains the saturated conduction of the first switching tube 50.
In one embodiment, the activation circuit further comprises a fourth diode. The anode of the fourth diode is connected to the first pole of the second switching tube 60, and the cathode is connected to the second pole of the second switching tube 60. The fourth diode stabilizes the voltage between the first pole and the second pole of the second switching tube 60, thereby ensuring the operation stability of the second switching tube 60.
In one embodiment, the activation circuit further comprises a communication interface. The communication interface is used for accessing an activation signal AS output by the communication circuit. By providing the communication interface, the quick connection with the communication circuit can be realized, and the activation signal AS flow is accessed from the communication circuit.
In one embodiment, the activation circuit further includes a power supply circuit 90. Wherein the power supply circuit 90 is configured to provide a power supply voltage to the optocoupler 20, the second switching tube 60, and the system controller 80.
In order to better assist the skilled person in understanding the implementation of the activation circuit provided in the present application, the schematic circuit structure of the activation circuit shown in fig. 2 is taken as an example to describe the working process, but the practical protection scope of the present application is not limited.
First, in terms of circuit configuration, the activation circuit includes the photo coupler 20 (U10), the charge-discharge capacitor 40 (C51), the first switching tube 50 (QA 2), the second switching tube 60 (Q23), and the system controller 80. Wherein, the input end of the photoelectric coupler 20 is used for accessing the activation signal AS and the power supply circuit 90 respectively; the first end of the charge-discharge capacitor 40 is connected with the output end of the photoelectric coupler 20; the first pole of the first switching tube 50 is respectively connected with the second end of the charge-discharge capacitor 40 and the output end of the system controller 80, and the second pole of the first switching tube 50 is grounded; the first switching tube 50 is conducted under the drive action of an activation signal AS through the charge-discharge capacitor 40; the first pole of the second switching tube 60 is connected with the third pole of the first switching tube 50, the second pole is used for being connected with the power supply circuit 90, and the third pole is connected with the power supply end of the system controller 80; the second switching tube 60 is used for switching to a conducting state when the first switching tube 50 is conducted; after the power supply terminal receives the power supply voltage v+ from the power supply circuit 90, the system controller 80 continuously outputs the driving signal EN-PS from the output terminal so as to maintain the first switching tube 50 in the on state.
In addition, the activation circuit further includes a first resistor R37, a second resistor RA5, a third resistor RA3, a fourth resistor RA2, and a fifth resistor RA6. The first resistor R37 is connected in series between the second end of the charge-discharge capacitor 40 and the first pole of the first switching tube 50; the second resistor RA5 is connected in series between the first pole and the second pole of the first switching tube 50; the third resistor RA3 is connected in series between the third pole of the first switching tube 50 and the first pole of the second switching tube 60; the fourth resistor RA2 is connected in series between the first pole and the second pole of the second switching tube 60; the fifth resistor RA6 is connected in series between the first end of the charge-discharge capacitor 40 and ground.
In addition, the activation circuit further includes a first diode D10, a second diode D11, a third diode D15, a sixth resistor RA4, a fourth diode DA1, a communication interface, and a power supply circuit 90. The anode of the first diode D10 is connected to the output end of the photo coupler 20, and the cathode is connected to the first end of the charge-discharge capacitor 40; the anode of the second diode D11 is used for being connected with the power supply circuit 90, and the cathode of the second diode D11 is connected with the second pole of the second switching tube 60; a third diode D15, the anode of the third diode D15 being connected to the output terminal of the system controller 80; a sixth resistor RA4, wherein one end of the sixth resistor RA4 is connected to the cathode of the third diode D15, and the other end is connected to the first pole of the first switching tube 50; the anode of the fourth diode DA1 is connected with the first pole of the second switching tube 60, and the cathode is connected with the second pole of the second switching tube 60; the communication interface is used for accessing an activation signal AS output by the communication circuit; the power supply circuit 90 is used to supply a power supply voltage v+ to the photocoupler 20, the second switching tube 60, and the system controller 80.
Secondly, in the working process, when the input end of the photocoupler 20 receives the activation signal AS, the light emitter in the photocoupler 20 emits light, and the light receiver in the photocoupler 20 outputs an electric signal to the first end of the charge-discharge capacitor 40 after receiving the light, so AS to charge the charge-discharge capacitor 40. The first pole of the first switching tube 50 is connected with the second end of the charge-discharge capacitor 40, the first resistor R37 and the second resistor RA5 form a voltage division module, and in the process of charging the charge-discharge capacitor 40 under the drive of the activation signal AS, the voltage change of the first pole of the first switching tube 50 is controlled, so that the voltage difference between the first pole and the second pole of the first switching tube 50 meets the conduction condition of the first switching tube 50, and the first switching tube 50 is saturated and conducted.
The second pole of the second switching tube 60 is used for being connected with the power supply circuit 90, the third resistor RA3 and the fourth resistor RA2 form a voltage division module, and when the first switching tube 50 is conducted, the voltage difference between the first pole and the second pole of the second switching tube 60 meets the conducting condition of the second switching tube 60, so that the second switching tube 60 is switched into a conducting state.
After the second switching tube 60 is turned on, the power supply voltage v+ of the power supply circuit 90 is transmitted to the power supply end of the system controller 80 through the second switching tube 60, so that the system starts to operate. After the power supply end receives the power supply voltage v+ from the power supply circuit 90, the system controller 80 continuously outputs the driving signal EN-PS from the output end, and the sixth resistor RA4 is used for limiting the driving signal EN-PS output from the output end of the system controller 80, so that the driving signal EN-PS maintains the saturated conduction state of the first switching tube 50, further, the power supply voltage v+ is continuously output to the power supply end of the system controller 80, and the system controller 80 is kept on, thereby realizing activation of the system. After the system is activated, the charge-discharge capacitor 40 discharges through the fifth resistor RA6 to effect a reset of the activation circuit.
Wherein, during operation of the activation circuit, the first diode D10 prevents current at the charge-discharge capacitor 40 from flowing back to the optocoupler 20, the second diode D11 prevents current at the second switching tube 60 from flowing back to the power supply circuit 90, and the third diode D15 prevents current at the first switching tube 50 from flowing back to the system controller 80.
In addition, the communication interface of the activation circuit is used for accessing the activation signal AS output by the communication circuit, and when the input end of the photoelectric coupler 20 receives the activation signal AS output by the communication circuit, the above working process is repeated to activate the system.
For example, the first switching transistor 50 may be an NPN transistor as shown in fig. 2, and the second switching transistor 60 may be a PNP transistor as shown in fig. 2. The activation signal AS may be a square wave, triangular wave, or other voltage signal. The electrical signal output from the optocoupler 20 and the driving signal continuously output from the system controller 80 may be at a high level.
It will be appreciated by those skilled in the art that AS the circuit configuration changes, the type of the first switching tube 50 and the second switching tube 60, the activation signal AS, the electrical signal output from the photocoupler 20, and the driving signal continuously output from the system controller 80 also change adaptively.
The activation circuit provided by the embodiment of the application can be applied to a battery charge and discharge management system. Specifically, a battery pack includes a plurality of batteries, and a plurality of activation circuits are connected to the plurality of batteries one by one. An electrical quantity monitoring system in the battery charge and discharge management system monitors the energy stored by each battery. When the energy of the battery in any one battery reaches a certain value, for example, the energy is larger than a charging threshold or smaller than a discharging threshold, the battery charging system can send an activation signal AS to an activation circuit connected with any one of the other batteries through a communication circuit, and the activation circuit can quickly realize the activation of the system, so that the battery charging management system can be quickly switched to charge or discharge the other battery, and the working efficiency of the battery charging and discharging system is further improved.
In the description of the present specification, reference to the terms "some embodiments," "other embodiments," "desired embodiments," and the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic descriptions of the above terms do not necessarily refer to the same embodiment or example.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. An activation circuit is characterized by comprising a photoelectric coupler, a charge-discharge capacitor, a first switching tube, a second switching tube and a system controller;
the input end of the photoelectric coupler is respectively used for accessing an activation signal and a power supply circuit;
the first end of the charge-discharge capacitor is connected with the output end of the photoelectric coupler;
the first pole of the first switching tube is respectively connected with the second end of the charge-discharge capacitor and the output end of the system controller, and the second pole of the first switching tube is grounded; the first switching tube is conducted under the drive action of the activating signal through the charging and discharging capacitor;
the first pole of the second switching tube is connected with the third pole of the first switching tube, the second pole is used for being connected with the power supply circuit, and the third pole is connected with the power supply end of the system controller; the second switching tube is used for being switched into a conducting state when the first switching tube is conducted;
and after the power supply end receives the power supply voltage from the power supply circuit, the system controller continuously outputs a driving signal from the output end so as to keep the first switching tube in a conducting state.
2. The activation circuit of claim 1, wherein the activation circuit further comprises:
the first resistor is connected in series between the second end of the charge-discharge capacitor and the first pole of the first switching tube;
and the second resistor is connected in series between the first pole and the second pole of the first switching tube.
3. The activation circuit of claim 1, wherein the activation circuit further comprises:
the third resistor is connected in series between a third pole of the first switching tube and a first pole of the second switching tube;
and the fourth resistor is connected in series between the first pole and the second pole of the second switching tube.
4. The activation circuit of claim 1, wherein the activation circuit further comprises:
and the fifth resistor is connected in series between the first end of the charge-discharge capacitor and the ground.
5. The activation circuit of claim 1, wherein the activation circuit further comprises:
and the anode of the first diode is connected with the output end of the photoelectric coupler, and the cathode of the first diode is connected with the first end of the charge-discharge capacitor.
6. The activation circuit of claim 1, wherein the activation circuit further comprises:
and the anode of the second diode is used for being connected with the power supply circuit, and the cathode of the second diode is connected with the second diode of the second switching tube.
7. The activation circuit of claim 1, wherein the activation circuit further comprises:
the anode of the third diode is connected with the output end of the system controller;
and one end of the sixth resistor is connected with the cathode of the third diode, and the other end of the sixth resistor is connected with the first pole of the first switching tube.
8. The activation circuit of claim 1, wherein the activation circuit further comprises:
and the anode of the fourth diode is connected with the first pole of the second switching tube, and the cathode of the fourth diode is connected with the second pole of the second switching tube.
9. The activation circuit of claim 1, wherein the activation circuit further comprises:
the communication interface is used for accessing the activation signal output by the communication circuit.
10. The activation circuit of claim 1, wherein the activation circuit further comprises:
and the power supply circuit is used for providing power supply voltage for the photoelectric coupler, the second switching tube and the system controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223610162.6U CN219086852U (en) | 2022-12-30 | 2022-12-30 | Activation circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223610162.6U CN219086852U (en) | 2022-12-30 | 2022-12-30 | Activation circuit |
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| CN219086852U true CN219086852U (en) | 2023-05-26 |
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| CN202223610162.6U Active CN219086852U (en) | 2022-12-30 | 2022-12-30 | Activation circuit |
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| CN (1) | CN219086852U (en) |
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Address after: Leyitong Industrial Park, No. 16 Dongsheng South Road, Chenjiang Street, Zhongkai High tech Zone, Huizhou City, Guangdong Province, 516000 Patentee after: Huizhou Leyitong Technology Co.,Ltd. Address before: 516000 building a, industrial building, No.53, huitai Industrial Park, Zhongkai high tech Zone, Huizhou City, Guangdong Province Patentee before: HUIZHOU LEYITONG TECHNOLOGY CO.,LTD. |