Weak signal controlled electric door lock circuit system
By using a low-signal controlled electric door lock circuit system, combined with an instrument load control circuit and wear-resistant and corrosion-resistant contacts, the problems of short service life and easy damage of traditional electric door locks are solved, achieving an electric door lock system with high reliability, convenience and low maintenance cost.
Patent Information
- Application Number
- CN202423275370.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Traditional electric door locks have a short service life and are prone to problems such as poor rotation, no power supply, poor contact, and solenoid valve failure to engage, which cannot meet the needs of modern society, and existing technologies cannot effectively solve these problems.
The electric door lock circuit system using weak signal control includes the electric door lock structure and the electric door lock circuit. It utilizes a key switch, diode D1, resistors R2 and R3, MCU chip, resistors R7 and R5, resistor R1, diode D2, transistors Q1 and Q2, combined with an instrument load control circuit scheme, to control the lock opening and closing through a low-level signal, reducing arcing and carbon buildup between contacts. It uses wear-resistant and corrosion-resistant metal alloy or precious metal contacts and supports multiple unlocking methods such as remote control via mobile APP.
By effectively controlling the lock's opening and closing with a low-level signal, arcing and carbon buildup between contacts are reduced, extending the equipment's lifespan, lowering the cost of the electric door lock, enhancing convenience, supporting multiple unlocking methods, enabling remote control and management, reducing maintenance costs, decreasing the failure rate, and facilitating maintenance and upgrades.
Smart Images
Figure CN223753858U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the electric lock field, especially a weak signal control's electric lock circuit system. BACKGROUND
[0002] The traditional electric lock is short-circuited through VCC and ACC wire harness, and the static contact and the movable contact copper sheet in the lock core are attached to realize the power-on work of the whole vehicle electrical system. The safety and convenience of the traditional mechanical lock gradually cannot meet the needs of modern society, and the weak signal control electric lock emerges as the times require. The electric lock uses electronic components and circuit design to realize higher level of safety and flexibility. SUMMARY
[0003] Therefore, the utility model aims at providing a weak signal control electric lock circuit system to solve the short service life of the electric lock, reduce the rotation defect, reduce the abnormal phenomena of the electric lock not being powered on and not being in good contact, and reduce the damage of the electromagnetic valve.
[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:
[0005] A weak signal control electric lock circuit system, comprising an electric lock structure and an electric lock circuit, the electric lock circuit is used for controlling the unlocking and locking of the electric lock structure, and the electric lock circuit is installed in the instrument of the whole vehicle.
[0006] The electric lock circuit comprises a key switch, a diode D1, a resistor R2, a resistor R3, a chip MCU, a resistor R7, a resistor R5, a resistor R1, a diode D2, a triode Q1 and a triode Q2, one end of the key switch is grounded, the other end of the key switch is connected with the 5th pin of the chip MCU through the diode D1, the 8th pin of the chip MCU is connected with the triode Q2 through the resistor R7, and the triode Q2 is connected with the resistor R1, the diode D2 and the triode Q1 through the resistor R5.
[0007] Further, the electric lock structure comprises a lock shell, a lock core, a dust cover and a rotating body, the lock core is installed in the lock shell, the rotating body is installed at the bottom of the lock core, and the dust cover is installed at the bottom of the rotating body.
[0008] Further, a plurality of clamping grooves are formed in the bottom of the lock shell, and the clamping grooves are used in cooperation with the dust cover.
[0009] Further, the dust cover is axially installed with a plurality of clamping blocks, and the clamping grooves are used in cooperation with the clamping blocks.
[0010] Further, the length of the lock shell is 40mm.
[0011] Further, the length of the lock core is 26.9mm.
[0012] Further, the inner side surface of the dust cover 3 is also provided with two contact point grooves 32 for placing the contact points.
[0013] Further, the material of the contact points is metal alloy or noble metal.
[0014] Compared with the prior art, the electric door lock circuit system controlled by a weak signal has the following advantages:
[0015] (1) The electric door lock circuit system controlled by a weak signal combines the instrument negative control circuit scheme, reduces the arc and carbon deposition between the contact points through the low electric effective mode, prolongs the service life of the equipment, effectively reduces the cost of the electric door lock while maintaining the mutual opening rate of the original lock, and additionally, the convenience is enhanced, and multiple unlocking modes are provided, that is, the electric door lock circuit system controlled by a weak signal usually supports multiple unlocking modes, such as remote control by a mobile phone APP.
[0016] (2) The electric door lock circuit system controlled by a weak signal is remotely controlled and managed, that is, through a mobile phone APP or other remote platform, a user can easily realize remote control and management of the whole vehicle, including locking and unlocking.
[0017] (3) The electric door lock circuit system controlled by a weak signal reduces the maintenance cost and the failure rate, that is, the electric door lock circuit system controlled by a weak signal usually adopts advanced electronic components and circuit design, has high stability and reliability, greatly reduces the failure rate of the system, and reduces the maintenance cost and time of the user.
[0018] (4) The electric door lock circuit system controlled by a weak signal is convenient to maintain and upgrade, that is, compared with the traditional mechanical door lock, the electric door lock circuit system controlled by a weak signal is more convenient to maintain and upgrade, and the system is checked, repaired or upgraded to ensure normal operation of the system. BRIEF DESCRIPTION OF DRAWINGS
[0019] The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the application, and are incorporated herein for purposes of illustrating the illustrative embodiments of the present application and the explanations provided herein and are not intended as a limitation. In the drawings:
[0020] Fig. 1 The electric door lock circuit principle diagram described in the embodiments of the present application;
[0021] Fig. 2The electric door lock structure schematic diagram is used for the embodiment of the utility model.
[0022] Fig. 3 The electric door lock structure explosion schematic diagram is used for the embodiment of the utility model.
[0023] Fig. 4 The dust cover schematic diagram is used for the embodiment of the utility model.
[0024] Mark explanation:
[0025] 1, lock shell;11, clamping groove;2, lock core;3, dust cover;31, clamping block;32, contact slot;4, rotating body. Specific implementation
[0026] It should be noted that, in the case of no conflict, the embodiments in the utility model and the features in the embodiments can be combined with each other.
[0027] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms“center”,“longitudinal”,“transverse”,“upper”,“lower”,“front”,“rear”,“left”,“right”,“vertical”,“horizontal”,“top”,“bottom”,“inner”,“outer” and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms“first”,“second” and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by“first”,“second” and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of“multiple” is two or more.
[0028] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms“mounting”,“connection”,“connection” should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.
[0029] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.
[0030] As Figs. 1 to 4As shown, a weak signal controlled electric door lock circuit system comprises an electric door lock structure and an electric door lock circuit for controlling the opening and closing of the electric door lock structure, and the electric door lock circuit is installed in the whole vehicle instrument.
[0031] The electric door lock circuit comprises a key switch, a diode D1, a resistor R2, a resistor R3, a chip MCU, a resistor R7, a resistor R5, a resistor R1, a diode D2, a triode Q1 and a triode Q2, one end of the key switch is grounded, the other end of the key switch is connected to the resistor R2, the resistor R3 and the 5th pin of the chip MCU through the diode D1, the 8th pin of the chip MCU is connected to the triode Q2 through the resistor R7, the triode Q2 is connected to the resistor R1, the diode D2 and the triode Q1 through the resistor R5, wherein the resistor R2 is connected to +5V, the resistor R3 and the 7th pin of the chip MCU are grounded, the emitter of the triode Q2 is grounded, the resistor R1, the diode D2 and the triode Q1 are connected to BAT+, and the triode Q1 is also connected to the ACC power supply.
[0032] In actual use, VCC is always powered: the VCC of the whole vehicle instrument system always maintains power supply to ensure that the system can quickly respond in the standby state.
[0033] In a preferred embodiment of the utility model, the electric door lock structure comprises a lock shell 1, a lock cylinder 2, a dust cover 3 and a rotating body 4, the lock cylinder 2 is installed in the lock shell 1, the rotating body 4 is installed at the bottom of the lock cylinder 2, and the dust cover 3 is installed at the bottom of the rotating body 4. A plurality of clamping grooves 11 are formed in the bottom of the lock shell 1, the dust cover 3 is axially installed with a plurality of clamping blocks 31, the clamping grooves 11 and the clamping blocks 31 are used in cooperation, the clamping blocks 31 can be clamped into the clamping grooves 11, dustproof of the electric door lock structure is realized, in this embodiment, the length of the lock shell 1 is 40mm, the cost reduction effect is realized, meanwhile, the length of the lock cylinder 2 is shortened to 26.9mm, the existing 8 lock cylinder chips in the industry are kept, and the mutual opening rate ≤1 / 1000 is met. In actual use, the existing electric door lock structure can also be used instead of the electric door lock structure of the application, as long as the electric door lock opening and closing function can be realized.
[0034] In a preferred embodiment of the utility model, two contact grooves 32 are further formed in the inner side surface of the dust cover 3, the contact grooves 32 are used for placing contacts, the contacts are made of wear-resistant and corrosion-resistant materials (such as metal alloy and noble metal) to improve the durability and anti-carbon deposition capacity. In actual use, appropriate contact shape and contact pressure can be used to ensure good contact and reduce heat generation of the contact points. In addition, a conductive groove can be further formed in the inner side surface of the dust cover 3 close to the contact groove 32, and the conductive groove can prolong the service life of the contact.
[0035] Working principle of a weak signal controlled electric door lock circuit system:
[0036] When the "key" is closed, the 5pin of the MCU detects a low-level signal → makes the 8pin output a high-level signal to drive the CE of Q2 on, and the SD of Q1 on, at this time, BAT+ is connected to ACC to provide power for the lock.
[0037] By signal control MOS closed state for ACC power supply, it can not distinguish between mechanical key hard-wired connection and remote control connection power supply, and the power-on behavior is not limited by hard-wired connection.
[0038] Through the above scheme, the power-on action of the whole vehicle can be effectively completed in a low-power effective manner, while ensuring the safety and reliability of the system.
[0039] Advantages of the utility model:
[0040] In combination with the instrument negative control circuit scheme, the arc between contacts and carbon deposition phenomenon are reduced in a low-power effective manner, the service life of the equipment is improved, the mutual opening rate of the original lock is maintained, the cost of the electric door lock is effectively reduced, in addition, the convenience is enhanced, and multiple unlocking modes are provided: the electric door lock circuit system controlled by a weak signal usually supports multiple unlocking modes, such as mobile phone APP remote control.
[0041] Remote control and management: through a mobile phone APP or other remote platform, users can easily realize remote control and management of the whole vehicle, including locking, unlocking, etc.
[0042] Reducing maintenance cost and reducing failure rate: the electric door lock circuit system controlled by a weak signal usually adopts electronic components and circuit design, which has high stability and reliability.
[0043] Convenient maintenance and upgrading: compared with traditional mechanical door locks, the electric door lock circuit system controlled by a weak signal is more convenient to maintain and upgrade, and the system can be checked, repaired or upgraded to ensure normal operation of the system.
[0044] It should be noted that the present application only improves the electric door lock circuit, and does not improve the control program.
[0045] The above is only a preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.
Claims
1. A weak signal controlled deadbolt circuit system, characterized by: The application relates to an electric door lock structure and an electric door lock circuit for controlling the opening and closing of the electric door lock structure, which is installed in a vehicle instrument. The electric door lock circuit comprises a key switch, a diode D1, a resistor R2, a resistor R3, a chip MCU, a resistor R7, a resistor R5, a resistor R1, a diode D2, a triode Q1 and a triode Q2, one end of the key switch is grounded, the other end of the key switch is connected with the resistor R2, the resistor R3 and the 5th pin of the chip MCU through the diode D1, the 8th pin of the chip MCU is connected with the triode Q2 through the resistor R7, and the triode Q2 is connected with the resistor R1, the diode D2 and the triode Q1 through the resistor R5.
2. A weak signal controlled deadbolt circuit system according to claim 1, wherein: The electric door lock structure comprises a lock shell (1), a lock core (2), a dust cover (3) and a rotating body (4), the lock core (2) is arranged in the lock shell (1), the rotating body (4) is arranged at the bottom of the lock core (2), and the dust cover (3) is arranged at the bottom of the rotating body (4).
3. A weak signal controlled deadbolt circuit system according to claim 2, wherein: A plurality of clamping grooves (11) are arranged at the bottom of the lock shell (1) and are used in cooperation with the dust cover (3).
4. A weak signal controlled deadbolt circuit system according to claim 3, wherein: The dust cover (3) is axially provided with a plurality of clamping blocks (31) which are used in cooperation with the clamping grooves (11).
5. A weak signal controlled deadbolt circuit system according to claim 2, wherein: The length of the lock shell (1) is 40 mm.
6. A weak signal controlled deadbolt circuit system according to claim 2, wherein: The length of the lock core (2) is 26.9 mm.
7. A weak signal controlled deadbolt circuit system as defined in claim 2 wherein: Two contact grooves (32) are further arranged on the inner surface of the dust cover (3) and are used for placing contacts.
8. A weak signal controlled deadbolt circuit system according to claim 7, wherein: The material of the contacts is metal alloy or noble metal.