Mobile terminal use control circuit and control equipment
By designing a control circuit for the mobile terminal, utilizing a wireless communication unit and a main control unit, users can lock and control the mobile terminal at any time. This solves the problem of parents struggling to control minors' addiction to online games, avoids direct conflicts with children, and improves control effectiveness.
Patent Information
- Application Number
- CN202520114355.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-17
AI Technical Summary
In the current technology, it is difficult for parents to effectively control minors' addiction to mobile phone use for online games, which leads to direct conflicts with their children. Existing methods have poor universality and are not very effective.
Design a control circuit for a mobile terminal that sends control commands from the main control unit to the mobile terminal via a wireless communication unit. Users can lock and control the mobile terminal at any time. The circuit includes a signal input unit, a wireless communication unit, and a main control unit. It establishes a connection using Bluetooth or WIFI and sends control commands via physical button switches.
This allows users to lock and control the mobile device at any time, avoiding direct conflict with children and improving the effectiveness of control.
Smart Images

Figure CN223729847U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to circuit control technical field, especially relates to a mobile terminal use control circuit and a control device with the mobile terminal use control circuit. BACKGROUND
[0002] At present, mobile terminal is increasingly popular, and smart phones have become indispensable commonly used tools in people's life, even the communication and learning of students and teachers cannot leave the mobile phone, which brings convenience, but also has a lot of negative effects, especially minors are easy to indulge in online games, parents want to prevent children from playing mobile phones out of control, can only through the corresponding timing locking or confiscating the mobile phone of the mobile phone self -service software, but, this mode is either poor universality or easy to produce positive conflict with children, thereby leading to poor control effect. SUMMARY
[0003] The utility model aims at at least one of the above technical problems in the technical field. To this end, one purpose of the utility model is to provide a mobile terminal use control circuit, the control instruction of the main control unit is sent to the mobile terminal through the wireless communication unit, so that the user can lock the control of the mobile terminal at any time, thereby avoiding positive conflict with children and improving the use control effect.
[0004] To achieve the above purpose, the utility model provides a mobile terminal use control circuit, which comprises a signal input unit, a wireless communication unit, a main control unit, an input end of the main control unit is connected with the signal input unit, an output end of the main control unit is connected with the wireless communication unit, the main control unit is used to receive the control signal input by the signal input unit, and the corresponding control instruction is sent to the mobile terminal through the wireless communication unit according to the control signal.
[0005] According to the mobile terminal use control circuit provided by the utility model, the main control unit receives the control signal input by the user through the signal input unit, and the corresponding control instruction is sent to the mobile terminal through the wireless communication unit according to the control signal, so that the user can lock the control of the mobile terminal at any time, thereby avoiding positive conflict with children and improving the use control effect.
[0006] In addition, the mobile terminal use control circuit provided by the utility model can also have the following additional technical features:
[0007] Optionally, the signal input unit comprises a key switch.
[0008] Optionally, the wireless communication unit comprises a wireless communication chip, and the model of the wireless communication chip is ESP8266-12E.
[0009] Optionally, the wireless communication unit further comprises: a first resistor, one end of the first resistor being connected to a first pin of the wireless communication chip, and the other end of the first resistor being connected to an eighth pin of the wireless communication chip; a first capacitor, one end of the first capacitor being connected to the first pin of the wireless communication chip, and the other end of the first capacitor being grounded; a second capacitor, one end of the second capacitor being connected to a power supply end and being connected to the eighth pin of the wireless communication chip, and the other end of the second capacitor being grounded; a third capacitor, one end of the third capacitor being connected to the power supply end and being connected to the eighth pin of the wireless communication chip, and the other end of the second capacitor being grounded; a first diode, a positive electrode of the first diode being connected to a nineteenth pin of the wireless communication chip; a second resistor, one end of the second resistor being connected to a negative electrode of the first diode, and the other end of the second resistor being connected to ground and being connected to a fifteenth pin of the wireless communication chip; a second diode, a positive electrode of the second diode being connected to a twentieth pin of the wireless communication chip; a third resistor, one end of the third resistor being connected to a negative electrode of the second diode, and the other end of the third resistor being connected to ground and being connected to the fifteenth pin of the wireless communication chip.
[0010] Optionally, the main control unit comprises: a control chip, a first pin of the control chip being connected to a power supply end, a fourth pin being connected to ground through a key switch, a seventh pin being connected to a twenty-second pin of the wireless communication chip, and a sixth pin being connected to a twenty-first pin of the wireless communication chip; a fourth capacitor, one end of the fourth capacitor being connected to a fifth pin of the control chip, and the other end of the fourth capacitor being grounded; a crystal oscillator, one end of the crystal oscillator being connected to the fifth pin of the control chip, and the other end of the crystal oscillator being grounded.
[0011] Optionally, the device further comprises: a charging unit, the charging unit being connected to the lithium battery and being used for controlling a charging process of the lithium battery; and a voltage conversion unit, the voltage conversion unit being connected to the charging unit and the lithium battery and being used for converting an input voltage into a stable voltage required by a circuit.
[0012] Optionally, the voltage conversion unit comprises: a voltage stabilizing chip, a first pin of the voltage stabilizing chip being grounded; a toggle switch, the toggle switch being connected with a third pin of the voltage stabilizing chip; a fifth capacitor, one end of the fifth capacitor being connected with the third pin of the voltage stabilizing chip, the other end of the fifth capacitor being connected with the first pin of the voltage stabilizing chip; and a sixth capacitor, one end of the sixth capacitor being connected with a second pin of the voltage stabilizing chip, the other end of the sixth capacitor being connected with the first pin of the voltage stabilizing chip.
[0013] Optionally, the charging unit comprises: a charging management chip, a second pin of the charging management chip being grounded, a third pin of the charging management chip being connected with the lithium battery; a seventh capacitor, one end of the seventh capacitor being connected with a fourth pin of the charging management chip, the other end of the seventh capacitor being grounded; a fourth resistor, one end of the fourth resistor being connected with a fifth pin of the charging management chip, the other end of the fourth resistor being grounded; a third diode, a negative electrode of the third diode being connected with a first pin of the charging management chip; a fifth resistor, one end of the fifth resistor being connected with a positive electrode of the third diode, the other end of the fifth resistor being connected to a power supply end; a first triode, a base of the first triode being connected with a negative electrode of the third diode, an emitter being grounded; a fourth diode, a negative electrode of the fourth diode being connected with a collector of the first triode; and a sixth resistor, one end of the sixth resistor being connected with a positive electrode of the fourth diode, the other end of the sixth resistor being connected with the other end of the fifth resistor.
[0014] To achieve the above object, the utility model provides a mobile terminal use control device, which comprises a shell, the shell defines containing cavity;Circuit board, the circuit board sets in the containing cavity, the circuit board is provided with above-mentioned mobile terminal use control circuit.
[0015] The mobile terminal use control device provided by the utility model sends the control instruction of the main control unit to the mobile terminal through the wireless communication unit of the mobile terminal use control circuit, so that the user can lock the mobile terminal at any time, thereby avoiding a direct conflict with the child and improving the use control effect.
[0016] Optionally, the shell is further provided with a first through hole and a second through hole, the first through hole is provided with an input interface connected with the mobile terminal use control circuit, and the second through hole is provided with a key switch. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a block schematic diagram of the mobile terminal use control circuit according to one embodiment of the utility model;
[0018] Figure 2 Circuit schematic diagram of the wireless communication unit according to an embodiment of the present application;
[0019] Figure 3 Circuit schematic diagram of the signal input unit and the main control unit according to an embodiment of the present application;
[0020] Figure 4 Circuit schematic diagram of the voltage conversion unit according to an embodiment of the present application;
[0021] Figure 5 Circuit schematic diagram of the charging unit according to an embodiment of the present application;
[0022] Figure 6 Circuit schematic diagram of the lithium battery and the input interface according to an embodiment of the present application;
[0023] Figure 7 Structure schematic diagram of the mobile terminal use control device according to an embodiment of the present application;
[0024] Figure 8 Exploded structure schematic diagram of the mobile terminal use control device according to an embodiment of the present application. DETAILED DESCRIPTION
[0025] The embodiments of the present application will be described in detail below with reference to the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and should not be understood as limiting the present application.
[0026] In order to better understand the above technical solutions, the exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to more thoroughly understand the present application and to fully convey the scope of the present application to those skilled in the art.
[0027] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in combination with the accompanying drawings and specific embodiments.
[0028] Reference Figure 1 As shown in the drawings, the mobile terminal use control circuit 100 according to the embodiments of the present application includes a signal input unit 10, a wireless communication unit 20, and a main control unit 30.
[0029] The wireless communication unit 10 is configured to establish a wireless connection with the mobile terminal 40; the input end of the main control unit 30 is connected with the signal input unit 10, and the output end of the main control unit 30 is connected with the wireless communication unit 20; the main control unit 30 is configured to receive the control signal input by the signal input unit 10, and send the corresponding control instruction to the mobile terminal 40 through the wireless communication unit 20 according to the control signal.
[0030] As an embodiment, as shown in Figure 3 The signal input unit 10 includes a key switch.
[0031] It should be noted that the mobile terminal 40 can be a mobile phone, and the wireless communication unit 10 can adopt two connection technologies of Bluetooth or WIFI, that is, through the wireless connection technology of Bluetooth or WIFI, the control action instruction is sent through the physical key switch, and the controlled mobile phone executes the corresponding control instruction after receiving the instruction through Bluetooth, so as to control the controlled mobile phone according to the time required to be controlled, so as to reduce the use time of the mobile phone and improve the concentration.
[0032] The control of the controlled mobile phone can be realized by using the existing method, and the specific functions can include setting the time limit for using the mobile phone every day, immediately locking the mobile phone, setting the timing task, automatically locking the mobile phone in the set time period, and the like, which are not limited by the utility model.
[0033] That is, the key switch can be used to switch the working mode of the main control unit 30. For example, it is used to switch between different control modes, such as normal mode, timing locking mode or immediate locking mode, etc.; it can also be used as a reset switch, when the user presses it, the single-chip microcomputer can be restarted to return to the initial state; that is, the key switch can be used as a user input device, allowing the user to interact with the device through a physical way, not only through a wireless signal or an APP.
[0034] As an embodiment, as shown in Figure 2 The wireless communication unit 20 includes a wireless communication chip U4, and the model of the wireless communication chip U4 is ESP8266-12E.
[0035] As a specific embodiment, the wireless communication unit 20 further includes a first resistor R1, a first capacitor C1, a second capacitor C2, a third capacitor C3, a first diode LED1, a second resistor R2, a second diode LED2 and a third resistor R3.
[0036] The first end of the first resistor R1 is connected to the first pin of the wireless communication chip U4, and the other end of the first resistor R1 is connected to the eighth pin of the wireless communication chip U4; one end of the first capacitor C1 is connected to the first pin of the wireless communication chip U4, and the other end of the first capacitor C1 is grounded; one end of the second capacitor C2 is connected to the power supply end and connected to the eighth pin of the wireless communication chip U4, and the other end of the second capacitor C2 is grounded; one end of the third capacitor C3 is connected to the power supply end and connected to the eighth pin of the wireless communication chip U4, and the other end of the second capacitor C2 is grounded; the positive electrode of the first diode LED1 is connected to the nineteenth pin of the wireless communication chip U4; one end of the second resistor R2 is connected to the negative electrode of the first diode LED1, and the other end of the second resistor R2 is connected to the ground and connected to the fifteenth pin of the wireless communication chip U4; the positive electrode of the second diode LED2 is connected to the twentieth pin of the wireless communication chip U4; one end of the third resistor R3 is connected to the negative electrode of the second diode LED2, and the other end of the third resistor R3 is connected to the ground and connected to the fifteenth pin of the wireless communication chip U4.
[0037] It should be noted that the first diode LED1 and the second diode LED2 are light-emitting diodes, and the communication state of the wireless communication unit 20 can be displayed through the light-emitting diodes.
[0038] As an embodiment, as shown in the figure, Figure 3 The main control unit 30 includes a control chip U3, a fourth capacitor C4 and a crystal oscillator Y1.
[0039] The first pin of the control chip U3 is connected to the power supply end, the fourth pin is connected to the ground through the key switch, the seventh pin is connected to the twenty-second pin of the wireless communication chip U4, and the sixth pin is connected to the twenty-first pin of the wireless communication chip U4; one end of the fourth capacitor C4 is connected to the fifth pin of the control chip U3, and the other end of the fourth capacitor C4 is grounded; one end of the crystal oscillator Y1 is connected to the fifth pin of the control chip U3, and the other end of the crystal oscillator Y1 is grounded.
[0040] It should be noted that the main control unit 30 processes the instructions input from the key switch, and communicates with the mobile phone through Bluetooth or WIFI, realizes the functions of time management, application control, notification shielding, etc.
[0041] The wireless communication unit 20 is paired with the Bluetooth function of the mobile phone and establishes a connection; when the user sets a control instruction through the physical key switch, the instruction is processed by the main control unit 30 and converted into a specific data packet, which is sent to the mobile phone through the wireless communication unit 20; after the Bluetooth module of the mobile phone receives the data packet, the corresponding service or application program in the mobile phone operating system receives the Bluetooth data and analyzes it to identify the control instruction; according to the analyzed control instruction, the mobile phone operating system performs the corresponding function operation.
[0042] As an embodiment, as shown in Figure 4 and Figure 5 , the mobile terminal control circuit further comprises a charging unit and a voltage conversion unit.
[0043] The charging unit is connected with the lithium battery and is used to control the charging process of the lithium battery; the voltage conversion unit is connected with the charging unit and the lithium battery and is used to convert the input voltage into a stable voltage required by the circuit.
[0044] As a specific embodiment, the voltage conversion unit comprises a voltage stabilizing chip U2, a toggle switch S1, a fifth capacitor C5 and a sixth capacitor C6.
[0045] The first pin of the voltage stabilizing chip U2 is grounded; the toggle switch S1 is connected with the third pin of the voltage stabilizing chip U2; one end of the fifth capacitor C5 is connected with the third pin of the voltage stabilizing chip U2, and the other end of the fifth capacitor C5 is connected with the first pin of the voltage stabilizing chip U2; one end of the sixth capacitor C6 is connected with the second pin of the voltage stabilizing chip U2, and the other end of the sixth capacitor C6 is connected with the first pin of the voltage stabilizing chip U2.
[0046] As a specific embodiment, the charging unit comprises a charging management chip U1, a seventh capacitor C7, a fourth resistor R4, a third diode LED3, a fifth resistor R5, a first triode Q1, a fourth diode LED4 and a sixth resistor R6.
[0047] The second pin of the charging management chip U1 is grounded, and the third pin is connected with the lithium battery; one end of the seventh capacitor C7 is connected with the fourth pin of the charging management chip U1, and the other end of the seventh capacitor C7 is grounded; one end of the fourth resistor R4 is connected with the fifth pin of the charging management chip U1, and the other end of the fourth resistor R4 is grounded; the negative electrode of the third diode LED3 is connected with the first pin of the charging management chip U1; one end of the fifth resistor R5 is connected with the positive electrode of the third diode LED3, and the other end of the fifth resistor R5 is connected to the power supply end; the base of the first triode Q1 is connected with the negative electrode of the third diode LED3, and the emitter is grounded; the negative electrode of the fourth diode LED4 is connected with the collector of the first triode Q1; one end of the sixth resistor R6 is connected with the positive electrode of the fourth diode LED4, and the other end of the sixth resistor R6 is connected with the other end of the fifth resistor R5.
[0048] The third diode LED3 and the fourth diode LED4 are light emitting diodes, and the charging state can be displayed through the light emitting diodes.
[0049] It should be noted that the charging management chip U1 ensures the safety and efficient charging of the lithium battery, prolongs the service life of the battery, and improves the reliability of the equipment, and through the integrated charging management function, the equipment can automatically charge without user intervention, and a user-friendly charging state indication is also provided; the LDO voltage conversion unit converts a higher input voltage into a lower stable output voltage to supply a circuit part that is strict in voltage requirement, such as the main control unit 30; for example, an input voltage of 5V is converted into 3.3V to supply a component that needs 3.3V power supply.
[0050] In summary, the mobile terminal use control circuit provided by the utility model includes a signal input unit, a wireless communication unit and a main control unit; the wireless communication unit is used for establishing wireless connection with the mobile terminal; the input end of the main control unit is connected with the signal input unit, the output end of the main control unit is connected with the wireless communication unit, and the main control unit is used for receiving the control signal input by the signal input unit and sending the corresponding control instruction to the mobile terminal through the wireless communication unit according to the control signal; thus, the main control unit receives the control signal input by the user through the signal input unit, and sends the corresponding control instruction to the mobile terminal through the wireless communication unit according to the control signal, so that the user can lock the mobile terminal at any time, thereby avoiding a frontal conflict with the child and improving the use control effect.
[0051] As Figure 7 And Figure 8The utility model discloses a mobile terminal use control equipment, which comprises a shell 1 and a circuit board 2, the shell 1 defines the accommodating cavity 11, the circuit board 2 is arranged in the accommodating cavity 11, and the circuit board 2 is provided with the mobile terminal use control circuit 100.
[0052] The mobile terminal use control equipment disclosed by the utility model sends the control instruction of the main control unit to the mobile terminal through the wireless communication unit of the mobile terminal use control circuit, so that the user can lock the mobile terminal at any time, thereby avoiding a direct conflict with the child and improving the use control effect.
[0053] As an embodiment, as shown in the figure, Figures 6-8 As shown in the figure, the shell 1 is further provided with a first through hole 12 and a second through hole 13, the first through hole 12 is provided with an input interface 3 connected with the mobile terminal use control circuit, and the second through hole 13 is provided with a key switch 4.
[0054] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, a specific orientation and operation, and therefore cannot be understood as a limitation on the utility model.
[0055] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.
[0056] In the utility model, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication or interaction relationship between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0057] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can include the first and second features directly contacting, or the first and second features not directly contacting but contacting through another feature between them. Moreover, the first feature "on", "above" and "on the surface" of the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "under" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0058] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present application.
[0059] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application.
Claims
1. A mobile terminal usage control circuit, characterized by comprising: The utility model relates to a kind of remote control device for mobile terminal, including: Signal input unit; Wireless communication unit for establishing wireless connection with the mobile terminal; Main control unit, the input of the main control unit is connected with the signal input unit, the output of the main control unit is connected with the wireless communication unit, the main control unit is used to receive the control signal input by the signal input unit, and corresponding control instruction is sent to the mobile terminal by the wireless communication unit according to the control signal.
2. The mobile terminal usage control circuit of claim 1, wherein The signal input unit includes a key switch.
3. The mobile terminal usage control circuit of claim 2, wherein, The wireless communication unit includes a wireless communication chip, and the model of the wireless communication chip is ESP8266-12E.
4. The mobile terminal usage control circuit of claim 3, wherein, The wireless communication unit further includes: First resistor, one end of the first resistor is connected with the first pin of the wireless communication chip, and the other end of the first resistor is connected with the eighth pin of the wireless communication chip; First capacitor, one end of the first capacitor is connected with the first pin of the wireless communication chip, and the other end of the first capacitor is grounded; Second capacitor, one end of the second capacitor is connected to a power supply end and connected with the eighth pin of the wireless communication chip, and the other end of the second capacitor is grounded; Third capacitor, one end of the third capacitor is connected to a power supply end and connected with the eighth pin of the wireless communication chip, and the other end of the second capacitor is grounded; First diode, the positive electrode of the first diode is connected with the nineteenth pin of the wireless communication chip; Second resistor, one end of the second resistor is connected with the negative electrode of the first diode, the other end of the second resistor is connected to ground and connected with the fifteenth pin of the wireless communication chip; Second diode, the positive electrode of the second diode is connected with the twentieth pin of the wireless communication chip; Third resistor, one end of the third resistor is connected with the negative electrode of the second diode, the other end of the third resistor is connected to ground and connected with the fifteenth pin of the wireless communication chip.
5. The mobile terminal usage control circuit of claim 4, wherein, The main control unit includes: Control chip, the first pin of the control chip is connected to a power supply end, the fourth pin is connected to ground through a key switch, the seventh pin is connected to the twenty-second pin of the wireless communication chip, and the sixth pin is connected to the twenty-first pin of the wireless communication chip; Fourth capacitor, one end of the fourth capacitor is connected with the fifth pin of the control chip, and the other end of the fourth capacitor is grounded; Crystal oscillator, one end of the crystal oscillator is connected with the fifth pin of the control chip, and the other end of the crystal oscillator is grounded.
6. The mobile terminal usage control circuit of claim 1, wherein Further including: Charging unit, the charging unit is connected with a lithium battery, for controlling the charging process of the lithium battery; Voltage conversion unit, the voltage conversion unit is connected with the charging unit and the lithium battery, for converting input voltage into stable voltage required by circuit.
7. The mobile terminal usage control circuit of claim 6, wherein, The voltage conversion unit includes: Voltage stabilizing chip, the first pin of the voltage stabilizing chip is grounded; Toggle switch, the toggle switch is connected with the third pin of the voltage stabilizing chip. A fifth capacitor, one end of the fifth capacitor is connected with the third pin of the voltage stabilizing chip, and the other end of the fifth capacitor is connected with the first pin of the voltage stabilizing chip; A sixth capacitor, one end of the sixth capacitor is connected with the second pin of the voltage stabilizing chip, and the other end of the sixth capacitor is connected with the first pin of the voltage stabilizing chip.
8. The mobile terminal usage control circuit of claim 7, wherein, The charging unit comprises: A charging management chip, the second pin of the charging management chip is grounded, and the third pin is connected with the lithium battery; A seventh capacitor, one end of the seventh capacitor is connected with the fourth pin of the charging management chip, and the other end of the seventh capacitor is grounded; A fourth resistor, one end of the fourth resistor is connected with the fifth pin of the charging management chip, and the other end of the fourth resistor is grounded; A third diode, the negative electrode of the third diode is connected with the first pin of the charging management chip; A fifth resistor, one end of the fifth resistor is connected with the positive electrode of the third diode, and the other end of the fifth resistor is connected to a power supply end; A first triode, the base of the first triode is connected with the negative electrode of the third diode, and the emitter is grounded; A fourth diode, the negative electrode of the fourth diode is connected with the collector of the first triode; A sixth resistor, one end of the sixth resistor is connected with the positive electrode of the fourth diode, and the other end of the sixth resistor is connected with the other end of the fifth resistor.
9. A mobile terminal usage control apparatus, characterized by comprising: Comprise: A shell, the shell defines a containing cavity; A circuit board, the circuit board is arranged in the containing cavity, and the mobile terminal use control circuit according to any one of claims 1-8 is arranged on the circuit board.
10. The mobile terminal use control device according to Claim 9, wherein The shell is further provided with a first through hole and a second through hole, the first through hole is provided with an input interface connected with the mobile terminal use control circuit, and the second through hole is provided with a key switch.