Intelligent electronic lock control system, control method and storage medium

Abstract

The invention discloses an intelligent electronic lock control system and method and a storage medium, the intelligent electronic lock control system comprises an electric lock control module, a power module and a grounding module, the grounding module is electrically connected with the power module and the electric lock control module to form a driving circuit, and the driving circuit comprises a first driving circuit and a second driving circuit; the intelligent electronic lock further comprises a first driving module, a second driving module, a third driving module and a fourth driving module, and further comprises a first protection module and a second protection module. Meanwhile, the intelligent electronic lock control system is protected by controlling switches of the first protection module and the second protection module.

Description

Technical Field

[0001] The present application relates to the field of intelligent control technology, and in particular to an intelligent electronic lock control system, control method and storage medium. Background Art

[0002] Some traditional electronic lock systems of new energy vehicles do not have driving functions. If they have driving functions, the structure of the driving circuit is very complex and the design cost is high. In addition, the traditional smart electronic lock driving circuit has no circuit protection function. When an abnormal situation occurs in the circuit and the voltage suddenly rises, it is easy to damage the chips and other components in the circuit. Summary of the invention

[0003] In order to overcome the above shortcomings, the purpose of this application is to provide an intelligent electronic lock control system, control method and storage medium, so as to effectively solve the above problems.

[0004] In order to achieve the above objectives, this application adopts the following technical solutions:

[0005] In a first aspect, a smart electronic lock control system comprises:

[0006] The electric lock control module is used to control the locking and unlocking of the smart electronic lock.

[0007] A power module, used to supply power to the electric lock control module,

[0008] A grounding module, wherein the grounding module is electrically connected to the power supply module and the electric lock control module to form a drive circuit, wherein the drive circuit includes a first drive circuit and a second drive circuit,

[0009] It also includes a first driving module and a second driving module, wherein:

[0010] The power module, the first driving module, the first end of the electric lock control module, the second end of the electric lock control module, the second driving module and the grounding module are electrically connected in sequence to form the first driving circuit.

[0011] It also includes a third driving module and a fourth driving module, wherein:

[0012] The power module, the third driving module, the second end of the electric lock control module, the first end of the electric lock control module, the fourth driving module and the grounding module are electrically connected in sequence to form the second driving circuit.

[0013] When the first driving module and the second driving module are turned on at the same time, and the third driving module and the fourth driving module are turned off at the same time, the electric lock control module controls the smart electronic lock to lock by causing the current in the first driving circuit to flow from the first end to the second end.

[0014] When the first driving module and the second driving module are disconnected at the same time, the third driving module and the fourth driving module are turned on at the same time, the electric lock control module controls the smart electronic lock to unlock by causing the current in the second driving circuit to flow from the second end to the first end;

[0015] It also includes a first protection module and a second protection module, wherein:

[0016] Setting the operating voltage of the driving circuit to a first voltage,

[0017] The first protection module is electrically connected to the first driving circuit, and the first protection module is configured to be turned on when the voltage of the first driving circuit is higher than the first voltage to disconnect the first driving circuit.

[0018] The second protection module is electrically connected to the second driving circuit, and the second protection module is configured to be turned on when the voltage of the second driving circuit is higher than the first voltage to disconnect the second driving circuit.

[0019] Furthermore, the first driving module includes a first upper bridge driving circuit and a first lower bridge driving circuit, wherein:

[0020] The first upper bridge driving circuit includes a first upper driving signal source, a first resistor, a second resistor, a first transistor, a third resistor, a fourth resistor and a second transistor, wherein the first upper driving signal source is electrically connected to the control end of the first transistor after passing through a voltage dividing node of the first resistor and the second resistor, the power supply module is electrically connected to the control end of the second transistor after passing through a voltage dividing node of the third resistor and the fourth resistor, and the first transistor controls the on-off between the power supply module and the control end of the second transistor, and the second transistor is arranged on a circuit connecting the power supply module and the first end of the electric lock control module to control the on-off between the power supply module and the electric lock control module;

[0021] The first lower bridge driving circuit includes a first lower driving power supply, a first lower driving signal source, a fifth resistor, a sixth resistor, a third transistor, a seventh resistor, an eighth resistor, a fourth transistor and a fifth transistor, wherein the first lower driving signal source is electrically connected to the control end of the third transistor after passing through a voltage-dividing node between the fifth resistor and the sixth resistor, the first lower driving power supply is electrically connected to the control end of the fourth transistor after passing through a voltage-dividing node between the seventh resistor and the eighth resistor, the first lower driving power supply is electrically connected to the control end of the fifth transistor through the fourth transistor, and the fifth transistor is arranged on a circuit where the second end of the electric lock control module is connected to the grounding module to control the on-off between the electric lock control module and the grounding module.

[0022] Furthermore, the second driving module includes a second upper bridge driving circuit and a second lower bridge driving circuit, wherein:

[0023] The second upper bridge driving circuit includes a second upper driving signal source, a ninth resistor, a tenth resistor, a sixth transistor, an eleventh resistor, a twelfth resistor and a seventh transistor, wherein the second upper driving signal source is electrically connected to the control end of the sixth transistor through a voltage-dividing node between the ninth resistor and the tenth resistor, the power supply module is electrically connected to the control end of the seventh transistor through a voltage-dividing node between the eleventh resistor and the twelfth resistor, and the sixth transistor controls the on-off between the power supply module and the control end of the seventh transistor, and the seventh transistor is arranged on a circuit connecting the power supply module and the second end of the electric lock control module to control the on-off between the power supply module and the electric lock control module;

[0024] The second lower bridge driving circuit includes a second lower driving power supply, a second lower driving signal source, a thirteenth resistor, a fourteenth resistor, an eighth transistor, a fifteenth resistor, a sixteenth resistor, a ninth transistor and a tenth transistor, wherein the second lower driving signal source is electrically connected to the control end of the eighth transistor after passing through a voltage-dividing node between the thirteenth resistor and the fourteenth resistor, the second lower driving power supply is electrically connected to the control end of the ninth transistor after passing through a voltage-dividing node between the fifteenth resistor and the sixteenth resistor, the second lower driving power supply is electrically connected to the control end of the tenth transistor through the ninth transistor, and the tenth transistor is arranged on a circuit where the first end of the electric lock control module is connected to the grounding module to control the on-off between the electric lock control module and the grounding module.

[0025] Furthermore, the power supply module includes a main power supply and a first switch, the main power supply is electrically connected to the electric lock control module through the first switch, the grounding module includes a grounding terminal, a seventeenth resistor, an eighteenth resistor and a second switch, the seventeenth resistor and the eighteenth resistor are arranged on the circuit connected between the grounding terminal and the electric lock control module, the second switch is arranged on the switching circuit to control the on and off of the switching circuit, and the switching circuit is connected in parallel with the seventeenth resistor to control the on and off of the seventeenth resistor.

[0026] Further, the first protection module includes a first comparator chip, a nineteenth resistor, a twentieth resistor, a twenty-first resistor, a third switch, a first output power supply, a first chip power supply and an eleventh transistor, wherein the same-direction input terminal of the first comparator chip is electrically connected to the circuit connecting the electric lock control module and the grounding module, the inverting input terminal of the first comparator chip is electrically connected to the first chip power supply after passing through the voltage-dividing node of the nineteenth resistor, the twentieth resistor and the twenty-first resistor, the on-off of the third switch is used to control the voltage of the voltage-dividing node of the nineteenth resistor, the twentieth resistor and the twenty-first resistor, the output terminal of the comparator core is electrically connected to the control terminal of the eleventh transistor, and the eleventh transistor is arranged on the open-drain output circuit formed by the first output power supply and the grounding terminal to control the on-off of the open-drain output circuit, wherein,

[0027] The voltage at the same-direction input terminal of the first comparator chip is equal to the first voltage. When the voltage at the same-direction input terminal of the first comparator chip is less than the voltage at the reverse input terminal of the first comparator chip, the output terminal of the first comparator chip outputs a high-level signal to control the conduction of the eleventh crystal. When the open-drain output circuit is turned on, it can pull down the voltages of the third transistor and the fourth transistor to disconnect the fifth transistor.

[0028] Further, the second protection module includes a second comparator chip, a twenty-second resistor, a twenty-third resistor, a twenty-fourth resistor, a fourth switch, a second output power supply, a second chip power supply and a twelfth transistor, wherein the same-direction input terminal of the second comparator chip is electrically connected to the circuit connecting the electric lock control module and the grounding module, the inverting input terminal of the second comparator chip is electrically connected to the second chip power supply after passing through the voltage-dividing node of the twenty-second resistor, the twenty-third resistor and the twenty-fourth resistor, the on-off of the fourth switch is used to control the voltage of the voltage-dividing node of the twenty-second resistor, the twenty-third resistor and the twenty-fourth resistor, the output terminal of the second comparator core is electrically connected to the control terminal of the twelfth transistor, and the twelfth transistor is arranged on the open-drain output circuit formed by the second output power supply and the grounding terminal to control the on-off of the open-drain output circuit, wherein,

[0029] The voltage at the same-direction input terminal of the second comparator chip is equal to the first voltage. When the voltage at the same-direction input terminal of the second comparator chip is less than the voltage at the reverse input terminal of the second comparator chip, the output terminal of the second comparator chip outputs a high-level signal to control the conduction of the twelfth transistor. When the open-drain output circuit is turned on, it can pull down the voltages of the eighth transistor and the ninth transistor to disconnect the tenth transistor.

[0030] Further, the first sampling module includes a first sampling power supply, a first sampling chip, a fifth switch, a twenty-fifth resistor and a twenty-sixth resistor, wherein:

[0031] The first sampling chip is electrically connected to the first driving circuit through a voltage division node of the twenty-fifth resistor and the twenty-sixth resistor. Meanwhile, the first sampling chip is electrically connected to the first sampling power supply through the fifth switch.

[0032] Further, a second sampling module, the second sampling module includes a second sampling power supply, a second sampling chip, a sixth switch, a twenty-seventh resistor and a twenty-eighth resistor, wherein:

[0033] The second sampling chip is electrically connected to the second driving circuit through the voltage division node of the twenty-seventh resistor and the twenty-eighth resistor. Meanwhile, the second sampling chip is electrically connected to the second sampling power supply through the sixth switch.

[0034] In a second aspect, the present application also provides a smart electronic lock control method, comprising the following steps:

[0035] When you need to lock the smart electronic lock,

[0036] Control the first driving module and the second driving module to be turned on at the same time, and control the third driving module and the fourth driving module to be turned off at the same time,

[0037] The first drive circuit formed by the power module, the first drive module, the electric lock control module, the second drive module and the grounding module is turned on, and the current in the first drive circuit flows from the first end of the electric lock control module to the second end of the electric lock control module, and the electric lock control module controls the smart electronic lock to lock.

[0038] The working voltage of the driving circuit is set to a first voltage. When the voltage of the first driving circuit is higher than the first voltage, the first protection module is controlled to be turned on to disconnect the first driving circuit to protect the electric lock control module.

[0039] When the smart electronic lock needs to be unlocked,

[0040] Control the first driving module and the second driving module to be disconnected at the same time, and control the third driving module and the fourth driving module to be turned on at the same time,

[0041] The second drive circuit formed by the power module, the third drive module, the electric lock control module, the fourth drive module and the grounding module is turned on, and the current in the second drive circuit flows from the second end of the electric lock control module to the first end of the electric lock control module, and the electric lock control module controls the smart electronic lock to unlock.

[0042] The operating voltage of the drive circuit is set to a first voltage. When the voltage of the second drive circuit is higher than the first voltage, the second protection module is controlled to turn on and disconnect the second drive circuit to protect the electric lock control module.

[0043] In a third aspect, the present application also provides a storage medium, which stores one or more programs, and the one or more programs can be executed by one or more processors to implement the above-mentioned smart electronic lock control method.

[0044] Beneficial Effects

[0045] The present application provides a smart electronic lock control system, control method and storage medium, which realize the switching of the smart electronic lock by controlling the coordination of conduction and disconnection between a first drive module, a second drive module, a third drive module and a fourth drive module, and protects the smart electronic lock control system by controlling the switching of a first protection module and a second protection module. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] The accompanying drawings are used to provide an understanding of the technical solution of the present disclosure and constitute a part of the specification. Together with the embodiments of the present disclosure, they are used to explain the technical solution of the present disclosure and do not constitute a limitation on the technical solution of the present disclosure. The shapes and sizes of the components in the accompanying drawings do not reflect the actual proportions and are only intended to illustrate the content of the present application.

[0047] Figure 1 This is the block diagram of the smart electronic lock control system for this application.

[0048] Figure 2 This is a block diagram of the first driving circuit system of this application.

[0049] Figure 3 This is a block diagram of the second driving circuit system of this application.

[0050] Figure 4 This is an overall circuit diagram of the smart electronic lock control system in one embodiment of the present application.

[0051] Figure 5 Schematic diagram of the structure of a first driving circuit in one embodiment of the present application.

[0052] Figure 6 Schematic diagram of the structure of the second driving circuit in one embodiment of the present application.

[0053] Figure 7 This is a circuit diagram of a first protection module in an embodiment of the present application.

[0054] Figure 8 This is a circuit diagram of a second protection module in an embodiment of the present application.

[0055] Fig. 91 is a circuit diagram of a first sampling module and a second sampling module in an embodiment of the present application. DETAILED DESCRIPTION

[0056] The above scheme is further described below in conjunction with specific examples. It should be understood that these examples are used to illustrate the present application and are not limited to the scope of the present application. The implementation conditions adopted in the examples can be further adjusted as the conditions of the specific manufacturer, and the unspecified implementation conditions are usually the conditions in conventional experiments.

[0057] Unless otherwise defined, the technical terms or scientific terms used in the embodiments of the present disclosure should be understood by people with ordinary skills in the field to which the present application belongs. The "first", "second" and similar words used in the embodiments of the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. "Including" or "comprising" and similar words mean that the elements or objects appearing in front of the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connecting" or "connected" and similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. In this article, "electrical connection" includes the situation where the constituent elements are connected together through an element with some electrical function. "Elements with some electrical function" are not particularly limited as long as they can transfer electrical signals between the connected constituent elements. "Elements with some electrical function" can be, for example, electrodes or wiring, or switching elements such as transistors, or other functional elements such as resistors, inductors or capacitors. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may also change accordingly.

[0058] In this application, the directions or positional relationships indicated by the terms "upper", "lower", "inner", "middle", etc. are based on the directions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific direction, or to be constructed and operated in a specific direction.

[0059] As described in the background technology, some traditional new energy vehicle electronic lock systems do not have a driving function. If they have a driving function, the structure of the driving circuit is very complex and the design cost is high. At the same time, the traditional smart electronic lock driving circuit has no circuit protection function.

[0060] In view of the above content, the inventor provides an intelligent electronic lock control system, such as Figure 1-3As shown, the smart electronic lock control system includes an electric lock control module P for controlling the locking and unlocking of the smart electronic lock, a power module V for supplying power to the electric lock control module P, and a grounding module d, wherein the grounding module d is electrically connected to the power module V and the electric lock control module P to form a drive circuit, wherein the drive circuit includes a first drive circuit T1 and a second drive circuit T2, and further includes a first drive module q1 and a second drive module q2, wherein the power module V, the first drive module q1, the first end a of the electric lock control module P, the second end b of the electric lock control module P, the second drive module q2 and the grounding module d are electrically connected in sequence to form the first drive circuit T1, and further includes a third drive module q3 and a fourth drive module q4, wherein the power module V, the third drive module q3, the second end b of the electric lock control module P, the first end a of the electric lock control module P, the fourth drive module q4 and the grounding module d are electrically connected in sequence to form the second drive circuit T2,

[0061] When the first driving module q1 and the second driving module q2 are turned on at the same time, the third driving module q3 and the fourth driving module q4 are turned off at the same time, the electric lock control module P in the first driving circuit T1 flows the current from the first end a to the second end b to control the smart electronic lock to lock,

[0062] When the first driving module q1 and the second driving module q2 are disconnected at the same time, the third driving module q3 and the fourth driving module q4 are turned on at the same time, the electric lock control module P flows the current from the second end b to the first end a in the second driving circuit T2 to control the smart electronic lock to unlock;

[0063] At the same time, the intelligent electronic lock control system also includes a first protection module B1 and a second protection module B2, wherein:

[0064] The operating voltage of the driving circuit is set to the first voltage, the first protection module B1 is electrically connected to the first driving circuit T1, and the first protection module B1 is configured to be turned on when the voltage of the first driving circuit T1 is higher than the first voltage to disconnect the first driving circuit T1, and the second protection module B2 is electrically connected to the second driving circuit T2, and the second protection module B2 is configured to be turned on when the voltage of the second driving circuit T2 is higher than the first voltage to disconnect the second driving circuit T2.

[0065] At the same time, the inventor also provides a smart electronic lock control method, comprising the following steps:

[0066] When the smart electronic lock needs to be locked, the first drive module and the second drive module are controlled to be turned on at the same time, the third drive module and the fourth drive module are controlled to be turned off at the same time, the first drive circuit formed by the power module, the first drive module, the electric lock control module, the second drive module and the grounding module is turned on, the current in the first drive circuit flows from the first end of the electric lock control module to the second end of the electric lock control module, the electric lock control module controls the smart electronic lock to be locked, the working voltage of the drive circuit is set to the first voltage, and when the voltage of the first drive circuit is higher than the first voltage, the first protection module is controlled to be turned on to disconnect the first drive circuit to protect the electric lock control module;

[0067] When the smart electronic lock needs to be unlocked, the first drive module and the second drive module are controlled to be disconnected at the same time, the third drive module and the fourth drive module are controlled to be turned on at the same time, the second drive circuit formed by the power supply module, the third drive module, the electric lock control module, the fourth drive module and the grounding module is turned on, the current in the second drive circuit flows from the second end of the electric lock control module to the first end of the electric lock control module, the electric lock control module controls the smart electronic lock to be unlocked, and the working voltage of the drive circuit is set to the first voltage. When the voltage of the second drive circuit is higher than the first voltage, the second protection module is controlled to turn on to disconnect the second drive circuit to protect the electric lock control module.

[0068] Next, combine Figure 4-9 The present application is described exemplarily.

[0069] An embodiment of the present application provides a smart electronic lock control system, such as Figure 4 As shown, the system includes:

[0070] The power module includes a main power supply V0, V0 is 12V, and a first switch S1. The main power supply V0 is connected to the circuit through the first switch S1.

[0071] The first driving module includes a first upper bridge driving circuit and a first lower bridge driving circuit, wherein:

[0072] like Figure 5As shown, the first upper bridge driving circuit includes a first upper driving signal source X1, a first resistor R1, a second resistor R2, a first transistor Q1, a third resistor R3, a fourth resistor R4 and a second transistor M1, wherein the first upper driving signal source X1 is electrically connected to the control end of the first transistor Q1 after passing through the voltage dividing node A of the first resistor R1 and the second resistor R2, the first upper driving signal source X1 sends a high level signal to the control end of the first transistor Q1 after voltage division by the first resistor R1 and the second resistor R2, so that the first transistor Q1 is turned on, the main power supply V0 is electrically connected to the control end of the second transistor M1 after passing through the voltage dividing node B of the third resistor R3 and the fourth resistor R4, when the first transistor Q1 is turned on, the 12V voltage of the main power supply V0 is sent to the control end of the second transistor M1 after voltage division by the third resistor R3 and the fourth resistor R4, so that the second transistor M1 is turned on, and the second transistor M1 is set in the circuit where the main power supply V0 is connected to the first end a of the electric lock control module P, so when the second transistor M1 is turned on, the circuit between the main power supply V0 and the electric lock control module P is turned on.

[0073] The first lower bridge driving circuit includes a first lower driving power supply V1, a first lower driving signal source X2, a fifth resistor R5, a sixth resistor R6, a third transistor Q2, a seventh resistor R7, an eighth resistor R8, a fourth transistor Q3 and a fifth transistor M2, wherein the first lower driving signal source X2 is electrically connected to the control end of the third transistor Q2 after the voltage-dividing node C of the fifth resistor R5 and the sixth resistor R6, the first lower driving power supply V2 is electrically connected to the control end of the fourth transistor Q3 after the voltage-dividing node D of the seventh resistor R7 and the eighth resistor R8, the first lower driving power supply V2 is electrically connected to the control end of the fifth transistor M2 through the fourth transistor Q3, and the fifth transistor M2 is arranged in a circuit where the second end b of the electric lock control module P is connected to the grounding module d to control the on-off between the electric lock control module P and the grounding module d.

[0074] like Figure 6 As shown, the second upper bridge driving circuit includes a second upper driving signal source X3, a ninth resistor R9, a tenth resistor R10, a sixth transistor Q4, an eleventh resistor R11, a twelfth resistor R12 and a seventh transistor M3, wherein the second upper driving signal source X3 is electrically connected to the control end of the sixth transistor Q4 through the voltage-dividing node E of the ninth resistor R9 and the tenth resistor R10, the main power supply VO is electrically connected to the control end of the seventh transistor M3 through the voltage-dividing node F of the eleventh resistor R11 and the twelfth resistor R12, and the sixth transistor Q4 controls the on-off between the main power supply VO and the control end of the seventh transistor M3, and the seventh transistor M3 is arranged on a circuit connected to the second end b of the electric lock control module P to control the on-off between the main power supply VO and the electric lock control module P;

[0075] The second lower bridge driving circuit includes a second lower driving power supply V2, a second lower driving signal source X4, a thirteenth resistor R13, a fourteenth resistor R14, an eighth transistor Q5, a fifteenth resistor R15, a sixteenth resistor R16, a ninth transistor Q6 and a tenth transistor M4, wherein the second lower driving signal source X4 is electrically connected to the control end of the eighth transistor Q5 after dividing the voltage at the node G between the thirteenth resistor R13 and the fourteenth resistor R14, the second lower driving power supply V2 is electrically connected to the control end of the ninth transistor Q6 after dividing the voltage at the node H between the fifteenth resistor R15 and the sixteenth resistor R16, the second lower driving power supply V2 is electrically connected to the control end of the tenth transistor M4 through the ninth transistor Q6, and the tenth transistor M4 is arranged on a circuit in which the first end a of the electric lock control module P is connected to the ground module d to control the on-off between the electric lock control module P and the ground module d.

[0076] like Figure 4 As shown, the grounding module includes a grounding terminal GND, a seventeenth resistor R17, an eighteenth resistor R18 and a second switch S2. The seventeenth resistor R17 and the eighteenth resistor R18 are arranged on a circuit connected between the grounding terminal GND and the electric lock control module P. The second switch S2 is arranged on the switch circuit to control the on-off of the switch circuit. The switch circuit is connected in parallel with the seventeenth resistor R17 to control the on-off of the seventeenth resistor R17. The module has a current sampling function. When the motor is driven, a certain voltage drop will be generated on the high-power resistor. This voltage drop can be compared with the comparator of the protection module to play a role in current limiting the protection circuit. The switch S2 can be used to switch the size of the high-power resistor. The seventeenth resistor R17 and the eighteenth resistor R18 are both high-power resistors. When the switch S2 is closed, the seventeenth resistor R17 is short-circuited. At this time, the resistance in the circuit is the resistance of the eighteenth resistor R18. When the switch S2 is disconnected, the resistance in the circuit is the sum of the resistance of the seventeenth resistor R17 and the eighteenth resistor R18.

[0077] like Figure 7As shown, the first protection module includes a first comparator chip U1, a nineteenth resistor R19, a twentieth resistor R20, a twenty-first resistor R21, a third switch S3, a first output power supply V3, a first chip power supply V4 and an eleventh transistor M5, wherein the same-direction input terminal of the first comparator chip U1 is electrically connected to the circuit connecting the electric lock control module and the grounding module, the same-direction input terminal voltage of the first comparator chip U1 is equal to the working voltage of the first drive circuit, the inverting input terminal of the first comparator chip U1 is electrically connected to the first chip power supply V4 after passing through the voltage-dividing node I of the nineteenth resistor R19, the twentieth resistor R20 and the twenty-first resistor R21, and the on-off of the third switch S3 is used to control the voltage of the voltage-dividing node I of the nineteenth resistor, the twentieth resistor and the twenty-first resistor. When the third switch S3 is closed, the voltage of the voltage-dividing node I needs to pass through R19, R20 and R21. When the third switch S3 is opened, the voltage of the voltage-dividing node I needs to pass through R20 and R21. The output end of the first comparator core U1 is electrically connected to the control end of the eleventh transistor M5. The eleventh transistor M5 is arranged on an open-drain output circuit formed by the first output power supply V3 and the ground end GND to control the on-off of the open-drain output circuit. When the voltage of the same-direction input end of the first comparator chip is less than the voltage of the reverse input end of the first comparator chip, the output end of the first comparator chip U1 outputs a high-level signal to control the conduction of the eleventh transistor. When the open-drain output circuit is turned on, it can pull down the voltage of the third transistor Q2 and the fourth transistor Q3 to disconnect the fifth transistor M2 to protect the first drive circuit.

[0078] It can be seen from the above scheme that in this scheme, by adjusting the coordination between the switches S2 and S3 to close and open, the number of resistors in the connected circuit is adjusted, thereby adjusting the protection current threshold.

[0079] like Figure 8As shown, the second protection module includes a second comparator chip U2, a resistor R22, a resistor R23, a resistor R24, a fourth switch S4, a second output power supply V5, a second chip power supply V6 and a twelfth transistor M6. The same-direction input terminal of the comparator chip U2 is electrically connected to the circuit connected to the electric lock control module and the grounding module. The same-direction input terminal voltage of the comparator chip U2 is equal to the working voltage of the second drive circuit. The inverting input terminal of the comparator chip U2 is electrically connected to the chip power supply V6 after passing through the voltage-dividing node J of the resistor R22, the resistor R23, and the resistor R24. The on-off of the switch S4 is used to control the voltage of the voltage-dividing node J. When the switch S4 is closed, the voltage-dividing node J is The voltage at point J needs to be divided by R22, R23 and R24. When the switch S4 is disconnected, the voltage at the voltage dividing node J needs to be divided by R22 and R23. The output end of the comparator core U2 is electrically connected to the control end of the transistor M6. The transistor M6 is set on the open-drain output circuit formed by the output power supply V5 and the ground end GND to control the on and off of the open-drain output circuit. When the voltage at the same-direction input end of the comparator chip U2 is less than the voltage at the reverse input end of the comparator chip U2, the output end of the comparator chip U2 outputs a high-level signal to control the transistor M6 to turn on. When the open-drain output circuit is turned on, it can pull down the voltage of Q5 and Q6 to disconnect M4 to protect the second drive circuit.

[0080] like Fig. 9 As shown, the first sampling module includes a first sampling power supply V7, a first sampling chip U3, a fifth switch S5, a twenty-fifth resistor R25 and a twenty-sixth resistor R26, wherein:

[0081] The first sampling chip U3 is electrically connected to the first driving circuit through the voltage division node Q of the twenty-fifth resistor R25 and the twenty-sixth resistor R26. Meanwhile, the first sampling chip U3 is electrically connected to the first sampling power source V7 through the fifth switch S5.

[0082] The second sampling module includes a second sampling power supply V8, a second sampling chip U4, a sixth switch S6, a twenty-seventh resistor R27, and a twenty-eighth resistor R28, wherein:

[0083] The second sampling chip U4 is electrically connected to the second driving circuit through the voltage division node M of the twenty-seventh resistor R27 and the twenty-eighth resistor R28. Meanwhile, the second sampling chip U4 is electrically connected to the second sampling power source V8 through the sixth switch S6.

[0084] The two sampling circuits can be used to diagnose the drive circuit. The specific principles are as follows:

[0085] When setting the diagnosis, the motor coil internal resistance defaults to 0Ω, and when diagnosing a fault, it defaults to a single fault.

[0086] The main power supply V0 is 12V, and the sampling power supplies V7 and V8 are both 5V

[0087] 1. When control S1 is disconnected, S6 is disconnected, and S5 is closed,

[0088] Under normal circumstances:

[0089] The sampling chip U1 is 5V,

[0090] After V7 is divided by R25=47K, R27=47K, R28=10K, the voltage of the sampling chip U2 is 0.48V. When the electric lock control module is open,

[0091] When the DS of M2 is short-circuited, and the DS of M4 is short-circuited:

[0092] The sampling chip U1 is equal to 5V;

[0093] The sampling chip U2 is equal to 0V;

[0094] 2. When control S1 is open, S5 is open and S6 is closed.

[0095] Under normal circumstances:

[0096] The sampling chip U2 is equal to 5V,

[0097] After V8 is divided by R28=10K, R25=47K, R27=47K, the voltage of the sampling chip U1 is 0.48V.

[0098] When the electric lock control module is open,

[0099] When the DS of M3 is short-circuited, when the DS of M4 is short-circuited:

[0100] The sampling chip U2 is equal to 5V,

[0101] The sampling chip U1 is equal to 0V;

[0102] 3. When control S5 is open, S6 is open and S1 is closed.

[0103] Under normal circumstances:

[0104] The sampling chip U1 is equal to 0V;

[0105] The sampling chip U2 is equal to 0V;

[0106] When M1 is short-circuited,

[0107] The sampling chip U1 is equal to 12V power supply, which is divided by R25=47K and R26=10K (10 / 57 voltage division) to get 2.1V;

[0108] The sampling chip U2 is equal to 12V power supply, which is divided by R27=47K and R28=10K (10 / 57 voltage division) to get 2.1V;

[0109] When M3 is short-circuited,

[0110] The sampling chip U1 is equal to 12V power supply, which is divided by R25=47K and R26=10K (10 / 57 voltage division) to get 2.1V;

[0111] The sampling chip U2 is equal to 12V power supply, which is divided by R27=47K and R28=10K (10 / 57 voltage division) to obtain 2.1V.

[0112] Based on the above, the diagnosis results are summarized in Table 1:

[0113]

[0114] Table 1

[0115] The above embodiments are only for illustrating the technical concept and features of the present application, and their purpose is to enable people familiar with the technology to understand the content of the present application and implement it accordingly, and they cannot be used to limit the protection scope of the present application. Any equivalent transformation or modification made according to the spirit of the present application shall be included in the protection scope of the present application.

Claims

1. An intelligent electronic lock control system, characterized in that: include: The electric lock control module is used to control the locking and unlocking of the smart electronic lock. A power module, used to supply power to the electric lock control module, A grounding module, wherein the grounding module is electrically connected to the power supply module and the electric lock control module to form a drive circuit, wherein the drive circuit includes a first drive circuit and a second drive circuit, It also includes a first driving module and a second driving module, wherein: The power module, the first driving module, the first end of the electric lock control module, the second end of the electric lock control module, the second driving module and the grounding module are electrically connected in sequence to form the first driving circuit. It also includes a third driving module and a fourth driving module, wherein: The power module, the third driving module, the second end of the electric lock control module, the first end of the electric lock control module, the fourth driving module and the grounding module are electrically connected in sequence to form the second driving circuit. When the first driving module and the second driving module are turned on at the same time, and the third driving module and the fourth driving module are turned off at the same time, the electric lock control module controls the smart electronic lock to lock by causing the current in the first driving circuit to flow from the first end to the second end. When the first driving module and the second driving module are disconnected at the same time, the third driving module and the fourth driving module are turned on at the same time, the electric lock control module controls the smart electronic lock to unlock by causing the current in the second driving circuit to flow from the second end to the first end; It also includes a first protection module and a second protection module, wherein: Setting the operating voltage of the driving circuit to a first voltage, The first protection module is electrically connected to the first driving circuit, and the first protection module is configured to be turned on when the voltage of the first driving circuit is higher than the first voltage to disconnect the first driving circuit. The second protection module is electrically connected to the second driving circuit, and the second protection module is configured to be turned on when the voltage of the second driving circuit is higher than the first voltage to disconnect the second driving circuit.

2. The intelligent electronic lock control system according to claim 1, characterized in that: The first driving module includes a first upper bridge driving circuit and a first lower bridge driving circuit, wherein: The first upper bridge driving circuit includes a first upper driving signal source, a first resistor, a second resistor, a first transistor, a third resistor, a fourth resistor and a second transistor, wherein the first upper driving signal source is electrically connected to the control end of the first transistor after passing through a voltage dividing node of the first resistor and the second resistor, the power supply module is electrically connected to the control end of the second transistor after passing through a voltage dividing node of the third resistor and the fourth resistor, and the first transistor controls the on-off between the power supply module and the control end of the second transistor, and the second transistor is arranged on a circuit connecting the power supply module and the first end of the electric lock control module to control the on-off between the power supply module and the electric lock control module; The first lower bridge driving circuit includes a first lower driving power supply, a first lower driving signal source, a fifth resistor, a sixth resistor, a third transistor, a seventh resistor, an eighth resistor, a fourth transistor and a fifth transistor, wherein the first lower driving signal source is electrically connected to the control end of the third transistor after passing through a voltage-dividing node between the fifth resistor and the sixth resistor, the first lower driving power supply is electrically connected to the control end of the fourth transistor after passing through a voltage-dividing node between the seventh resistor and the eighth resistor, the first lower driving power supply is electrically connected to the control end of the fifth transistor through the fourth transistor, and the fifth transistor is arranged on a circuit where the second end of the electric lock control module is connected to the grounding module to control the on-off between the electric lock control module and the grounding module.

3. The intelligent electronic lock control system according to claim 1, characterized in that: The second driving module includes a second upper bridge driving circuit and a second lower bridge driving circuit, wherein: The second upper bridge driving circuit includes a second upper driving signal source, a ninth resistor, a tenth resistor, a sixth transistor, an eleventh resistor, a twelfth resistor and a seventh transistor, wherein the second upper driving signal source is electrically connected to the control end of the sixth transistor through a voltage-dividing node between the ninth resistor and the tenth resistor, the power supply module is electrically connected to the control end of the seventh transistor through a voltage-dividing node between the eleventh resistor and the twelfth resistor, and the sixth transistor controls the on-off between the power supply module and the control end of the seventh transistor, and the seventh transistor is arranged on a circuit connecting the power supply module and the second end of the electric lock control module to control the on-off between the power supply module and the electric lock control module; The second lower bridge driving circuit includes a second lower driving power supply, a second lower driving signal source, a thirteenth resistor, a fourteenth resistor, an eighth transistor, a fifteenth resistor, a sixteenth resistor, a ninth transistor and a tenth transistor, wherein the second lower driving signal source is electrically connected to the control end of the eighth transistor after passing through a voltage-dividing node between the thirteenth resistor and the fourteenth resistor, the second lower driving power supply is electrically connected to the control end of the ninth transistor after passing through a voltage-dividing node between the fifteenth resistor and the sixteenth resistor, the second lower driving power supply is electrically connected to the control end of the tenth transistor through the ninth transistor, and the tenth transistor is arranged on a circuit where the first end of the electric lock control module is connected to the grounding module to control the on-off between the electric lock control module and the grounding module.

4. The intelligent electronic lock control system according to any one of claims 1 to 3, characterized in that: The power supply module includes a main power supply and a first switch, the main power supply is electrically connected to the electric lock control module through the first switch, the grounding module includes a grounding terminal, a seventeenth resistor, an eighteenth resistor and a second switch, the seventeenth resistor and the eighteenth resistor are arranged on the circuit connecting the grounding terminal and the electric lock control module, the second switch is arranged on the switch circuit to control the on and off of the switch circuit, and the switch circuit is connected in parallel with the seventeenth resistor to control the on and off of the seventeenth resistor.

5. The intelligent electronic lock control system according to claim 4, characterized in that: The first protection module includes a first comparator chip, a nineteenth resistor, a twentieth resistor, a twenty-first resistor, a third switch, a first output power supply, a first chip power supply and an eleventh transistor, wherein the same-direction input terminal of the first comparator chip is electrically connected to the circuit connecting the electric lock control module and the grounding module, the inverting input terminal of the first comparator chip is electrically connected to the first chip power supply after passing through the voltage-dividing node of the nineteenth resistor, the twentieth resistor and the twenty-first resistor, the on-off of the third switch is used to control the voltage of the voltage-dividing node of the nineteenth resistor, the twentieth resistor and the twenty-first resistor, the output terminal of the first comparator core is electrically connected to the control terminal of the eleventh transistor, and the eleventh transistor is arranged on the open-drain output circuit formed by the first output power supply and the grounding terminal to control the on-off of the open-drain output circuit, wherein, The voltage at the same-direction input terminal of the first comparator chip is equal to the first voltage. When the voltage at the same-direction input terminal of the first comparator chip is less than the voltage at the reverse input terminal of the first comparator chip, the output terminal of the first comparator chip outputs a high-level signal to control the conduction of the eleventh crystal. When the open-drain output circuit is turned on, it can pull down the voltages of the third transistor and the fourth transistor to disconnect the fifth transistor.

6. The intelligent electronic lock control system according to claim 4, characterized in that: The second protection module includes a second comparator chip, a twenty-second resistor, a twenty-third resistor, a twenty-fourth resistor, a fourth switch, a second output power supply, a second chip power supply and a twelfth transistor, wherein the same-direction input terminal of the second comparator chip is electrically connected to the circuit connecting the electric lock control module and the grounding module, the inverting input terminal of the second comparator chip is electrically connected to the second chip power supply after passing through the voltage-dividing node of the twenty-second resistor, the twenty-third resistor and the twenty-fourth resistor, the on-off of the fourth switch is used to control the voltage of the voltage-dividing node of the twenty-second resistor, the twenty-third resistor and the twenty-fourth resistor, the output terminal of the second comparator core is electrically connected to the control terminal of the twelfth transistor, and the twelfth transistor is arranged on the open-drain output circuit formed by the second output power supply and the grounding terminal to control the on-off of the open-drain output circuit, wherein, The voltage at the same-direction input terminal of the second comparator chip is equal to the first voltage. When the voltage at the same-direction input terminal of the second comparator chip is less than the voltage at the reverse input terminal of the second comparator chip, the output terminal of the second comparator chip outputs a high-level signal to control the conduction of the twelfth transistor. When the open-drain output circuit is turned on, it can pull down the voltages of the eighth transistor and the ninth transistor to disconnect the tenth transistor.

7. The intelligent electronic lock control system according to claim 4, characterized in that: Also includes: A first sampling module, the first sampling module includes a first sampling power supply, a first sampling chip, a fifth switch, a twenty-fifth resistor and a twenty-sixth resistor, wherein: The first sampling chip is electrically connected to the first driving circuit through a voltage division node of the twenty-fifth resistor and the twenty-sixth resistor. Meanwhile, the first sampling chip is electrically connected to the first sampling power supply through the fifth switch.

8. The intelligent electronic lock control system according to claim 4, characterized in that: Also includes: The second sampling module includes a second sampling power supply, a second sampling chip, a sixth switch, a twenty-seventh resistor and a twenty-eighth resistor, wherein: The second sampling chip is electrically connected to the second driving circuit through the voltage division node of the twenty-seventh resistor and the twenty-eighth resistor. Meanwhile, the second sampling chip is electrically connected to the second sampling power supply through the sixth switch.

9. A smart electronic lock control method, characterized in that: The steps include: When you need to lock the smart electronic lock, Control the first driving module and the second driving module to be turned on at the same time, and control the third driving module and the fourth driving module to be turned off at the same time, The first drive circuit formed by the power module, the first drive module, the electric lock control module, the second drive module and the grounding module is turned on, and the current in the first drive circuit flows from the first end of the electric lock control module to the second end of the electric lock control module, and the electric lock control module controls the smart electronic lock to lock. The working voltage of the driving circuit is set to a first voltage. When the voltage of the first driving circuit is higher than the first voltage, the first protection module is controlled to be turned on to disconnect the first driving circuit to protect the electric lock control module. When the smart electronic lock needs to be unlocked, Control the first driving module and the second driving module to be disconnected at the same time, and control the third driving module and the fourth driving module to be turned on at the same time, The second drive circuit formed by the power module, the third drive module, the electric lock control module, the fourth drive module and the grounding module is turned on, and the current in the second drive circuit flows from the second end of the electric lock control module to the first end of the electric lock control module, and the electric lock control module controls the smart electronic lock to unlock. The operating voltage of the drive circuit is set to a first voltage. When the voltage of the second drive circuit is higher than the first voltage, the second protection module is controlled to turn on and disconnect the second drive circuit to protect the electric lock control module.

10. A storage medium, characterized in that: The storage medium stores one or more programs, and the one or more programs can be executed by one or more processors to implement the smart electronic lock control method described in claim 9.

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