CN210295224U - Electronic handle based on capacitive sensing opening mode - Google Patents
Electronic handle based on capacitive sensing opening mode Download PDFInfo
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- CN210295224U CN210295224U CN201921131724.4U CN201921131724U CN210295224U CN 210295224 U CN210295224 U CN 210295224U CN 201921131724 U CN201921131724 U CN 201921131724U CN 210295224 U CN210295224 U CN 210295224U
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Abstract
The utility model provides an electronic handle based on a capacitance induction opening mode, which is arranged on a set door and is characterized by comprising a control unit, an identity recognition unit and an induction unit; the sensing unit comprises an electronic handle sensing module; the electronic handle sensing module comprises a capacitive sensor and a communication antenna; the capacitive sensor can send out induction pulses under a set pulse condition; the control unit comprises an induction pulse receiving end, a communication antenna driving signal transmitting end, an identity confirmation signal receiving end and a door opening signal transmitting end; the communication antenna comprises a communication antenna driving signal receiving end and an identity verification signal transmitting end; the identity recognition unit comprises an identity verification signal receiving end and an identity confirmation signal transmitting end; the set pulse condition comprises that a human hand approaches the electronic handle based on the capacitive sensing opening mode.
Description
Technical Field
The utility model relates to an intelligence switch door technical field specifically, relates to an electron handle based on electric capacity response mode of opening.
Background
Capacitive touch technology has been slowly entering the automotive market in recent years. There is a rapid growth in the drive-thru console infotainment touch screens to the simple HVAC button/slider/roller-capacitive sensing technology. Engineers are constantly searching for innovative ways to integrate capacitive sensing technology into existing, mature applications. Several factors driving the technology to be used increasingly are its lower cost, higher configurability, easier accessibility and significantly improved system performance compared to standard mechanical buttons/switches.
One such application where capacitive touch sensing has advanced is in passive vehicle access applications. In this application, a touch sensor located in the door handle is used to detect the driver's hand and activate a passive keyless entry verification system to lock/unlock the vehicle. The use of capacitive touch sensing in this manner eliminates the need for expensive mechanical switches and power-consuming polling schemes. Passive access control systems are becoming increasingly convenient and reliable to end users as they eliminate these obstacles through capacitive touch. The process of the driver unlocking and entering the vehicle is never as simple and transparent. Only the door handle needs to be touched, the door is opened, and then the vehicle is driven away.
Therefore, the electronic handle based on the capacitance sensing opening mode has higher practical value and significance.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing an electron handle based on electric capacity response mode of opening.
According to the utility model, the electronic handle based on the capacitive sensing opening mode is arranged on a set door and comprises a control unit, an identity recognition unit and a sensing unit; the sensing unit comprises an electronic handle sensing module;
the electronic handle sensing module comprises a capacitive sensor and a communication antenna; the capacitive sensor can send out induction pulses under a set pulse condition; the control unit comprises an induction pulse receiving end, a communication antenna driving signal transmitting end, an identity confirmation signal receiving end and a door opening signal transmitting end; the communication antenna comprises a communication antenna driving signal receiving end and an identity verification signal transmitting end; the identity recognition unit comprises an identity verification signal receiving end and an identity confirmation signal transmitting end;
the set pulse condition comprises that a human hand approaches the electronic handle based on the capacitive sensing opening mode.
Preferably, the electronic handle sensing module further comprises a push button switch;
the button switch can send out a door closing signal under the set door closing condition; the control unit also comprises a door closing signal receiving end and a door locking signal transmitting end; the set door closing condition includes that a button switch is triggered.
Preferably, the control unit comprises an electronic control unit ECU; the electronic handle based on the capacitive sensing opening mode is arranged on an automobile door.
Preferably, the identification unit comprises a key fob.
Preferably, the electronic handle based on the capacitive sensing opening mode further comprises a handle ejecting unit; the electronic handle based on the capacitive sensing opening mode pops up through the handle popping unit under the set popping condition, otherwise, the handle is stored in the set position.
Preferably, the capacitive sensor comprises a first capacitance and a capacitive sensor chip;
the capacitive sensor chip comprises a power supply pin, a grounding pin, a first sensor signal pin and a second sensor signal pin; the power supply pin and the grounding pin are respectively arranged at two ends of the first capacitor; the first sensor signal pin and the second sensor signal pin are respectively arranged at two ends of the first capacitor.
Preferably, the capacitive sensor further comprises an LED circuit; the LED circuit comprises an LED;
two ends of the LED are respectively arranged at two ends of the first capacitor through the first LED resistor and the second LED resistor; two ends of the LED are connected with a diode in parallel; and a third LED resistor is connected in parallel at two ends of the first capacitor.
Preferably, the capacitive sensor further comprises an actuator circuit; the actuator circuit comprises an actuator and a thermistor; the thermistor can prevent the motor from overcurrent.
Preferably, the capacitive sensor further comprises a micro switch; the micro switch can identify the position of the electronic handle and correspondingly send out a set signal.
According to the utility model, the electronic handle based on the capacitive sensing opening mode is arranged on a set door and comprises a control unit, an identity recognition unit and a sensing unit; the sensing unit comprises an electronic handle sensing module;
the electronic handle sensing module comprises a capacitive sensor and a communication antenna; the capacitive sensor can send out induction pulses under a set pulse condition; the control unit comprises an induction pulse receiving end, a communication antenna driving signal transmitting end, an identity confirmation signal receiving end and a door opening signal transmitting end; the communication antenna comprises a communication antenna driving signal receiving end and an identity verification signal transmitting end; the identity recognition unit comprises an identity verification signal receiving end and an identity confirmation signal transmitting end;
the set pulse condition comprises that a human hand approaches the electronic handle based on the capacitive sensing opening mode;
the electronic handle sensing module also comprises a button switch;
the button switch can send out a door closing signal under the set door closing condition; the control unit also comprises a door closing signal receiving end and a door locking signal transmitting end; the set door closing condition comprises that a button switch is triggered;
the control unit comprises an Electronic Control Unit (ECU); the electronic handle based on the capacitive sensing opening mode is arranged on an automobile door;
the identity recognition unit comprises a remote control key;
the electronic handle based on the capacitive sensing opening mode further comprises a handle ejecting unit; the electronic handle based on the capacitive sensing opening mode is popped up through the handle popping unit under a set popping condition, otherwise, the handle is stored in a set position;
the capacitive sensor comprises a first capacitor and a capacitive sensor chip;
the capacitive sensor chip comprises a power supply pin, a grounding pin, a first sensor signal pin and a second sensor signal pin; the power supply pin and the grounding pin are respectively arranged at two ends of the first capacitor; the first sensor signal pin and the second sensor signal pin are respectively arranged at two ends of the first capacitor;
the capacitive sensor further comprises an LED circuit; the LED circuit comprises an LED;
two ends of the LED are respectively arranged at two ends of the first capacitor through the first LED resistor and the second LED resistor; two ends of the LED are connected with a diode in parallel; a third LED resistor is connected in parallel at two ends of the first capacitor;
the capacitive sensor further includes an actuator circuit; the actuator circuit comprises an actuator and a thermistor; the thermistor can prevent the motor from overcurrent;
the capacitive sensor further comprises a micro switch; the micro switch can identify the position of the electronic handle and correspondingly send out a set signal.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the electronic handle based on the capacitance induction opening mode has the advantages of simple and reliable structure and strong universality;
2. the utility model provides an electron handle based on electric capacity response mode of opening obtains signal variation through adopting hand touching electric capacity and opens or close the door, has liberated the traditional mode that mechanical key etc. opened, more swift convenience of customers experience.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view of a capacitance sensor according to a preferred embodiment of the electronic handle based on a capacitance sensing opening mode.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
According to the utility model, the electronic handle based on the capacitive sensing opening mode is arranged on a set door and comprises a control unit, an identity recognition unit and a sensing unit; the sensing unit comprises an electronic handle sensing module;
the electronic handle sensing module comprises a capacitive sensor and a communication antenna; the capacitive sensor can send out induction pulses under a set pulse condition; the control unit comprises an induction pulse receiving end, a communication antenna driving signal transmitting end, an identity confirmation signal receiving end and a door opening signal transmitting end; the communication antenna comprises a communication antenna driving signal receiving end and an identity verification signal transmitting end; the identity recognition unit comprises an identity verification signal receiving end and an identity confirmation signal transmitting end;
the set pulse condition comprises that a human hand approaches the electronic handle based on the capacitive sensing opening mode;
the electronic handle sensing module also comprises a button switch;
the button switch can send out a door closing signal under the set door closing condition; the control unit also comprises a door closing signal receiving end and a door locking signal transmitting end; the set door closing condition comprises that a button switch is triggered;
the control unit comprises an Electronic Control Unit (ECU); the electronic handle based on the capacitive sensing opening mode is arranged on an automobile door;
the identity recognition unit comprises a remote control key;
the electronic handle based on the capacitive sensing opening mode further comprises a handle ejecting unit; the electronic handle based on the capacitive sensing opening mode is popped up through the handle popping unit under a set popping condition, otherwise, the handle is stored in a set position;
the capacitive sensor comprises a first capacitor and a capacitive sensor chip;
the capacitive sensor chip comprises a power supply pin, a grounding pin, a first sensor signal pin and a second sensor signal pin; the power supply pin and the grounding pin are respectively arranged at two ends of the first capacitor; the first sensor signal pin and the second sensor signal pin are respectively arranged at two ends of the first capacitor;
the capacitive sensor further comprises an LED circuit; the LED circuit comprises an LED;
two ends of the LED are respectively arranged at two ends of the first capacitor through the first LED resistor and the second LED resistor; two ends of the LED are connected with a diode in parallel; a third LED resistor is connected in parallel at two ends of the first capacitor;
the capacitive sensor further includes an actuator circuit; the actuator circuit comprises an actuator and a thermistor; the thermistor can prevent the motor from overcurrent;
the capacitive sensor further comprises a micro switch; the micro switch can identify the position of the electronic handle and correspondingly send out a set signal.
Further, generally, a touch occurs whenever a human body (whether a finger or a hand or other part) contacts a sensor, and when the finger approaches the sensor, the finger starts to transfer an electric field generated in a touch acquisition stage from a free space to the ground, so that the capacitance of the sensor changes, and the change of the capacitance determines the detection state of the sensor.
The utility model discloses a further improvement specifically as follows:
a capacitive sensor is formed by combining a group of sensors for realizing an identity recognition function and sending a request signal in an automobile keyless entry system, and is used for realizing an intelligent door opening and closing process, a DHS (door HANDLE sensor) needs to be communicated with a remote control key, an ECU (electronic control unit) completes a recognition communication process, the DHS consists of the capacitive sensor (identifying hands in a door opening process), a button switch (closing actions) and a low-frequency antenna (communicating with the remote control key), and when hands approach an automobile door HANDLE, the capacitive sensor sends out a sensing pulse to the ECU. Then, the ECU drives the low-frequency antenna to send a request signal outwards, the remote control key receives the signal and responds to the radio-frequency signal for identifying the identity to the ECU, after the identity is identified, the ECU controls the vehicle door to be opened automatically, the door closing process is similar to the opening and closing process, and only the button switch replaces the capacitance sensor to complete the door closing action.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. An electronic handle based on a capacitive sensing opening mode is arranged on a set door and is characterized by comprising a control unit, an identity recognition unit and a sensing unit; the sensing unit comprises an electronic handle sensing module;
the electronic handle sensing module comprises a capacitive sensor and a communication antenna; the capacitive sensor can send out induction pulses under a set pulse condition; the control unit comprises an induction pulse receiving end, a communication antenna driving signal transmitting end, an identity confirmation signal receiving end and a door opening signal transmitting end; the communication antenna comprises a communication antenna driving signal receiving end and an identity verification signal transmitting end; the identity recognition unit comprises an identity verification signal receiving end and an identity confirmation signal transmitting end;
the set pulse condition comprises that a human hand approaches the electronic handle based on the capacitive sensing opening mode.
2. The electronic handle based on capacitive sensing turn-on mode of claim 1, wherein the electronic handle sensing module further comprises a push button switch;
the button switch can send out a door closing signal under the set door closing condition; the control unit also comprises a door closing signal receiving end and a door locking signal transmitting end; the set door closing condition includes that a button switch is triggered.
3. The electronic handle according to claim 1, wherein the control unit comprises an Electronic Control Unit (ECU); the electronic handle based on the capacitive sensing opening mode is arranged on an automobile door.
4. The electronic handle according to claim 3, wherein the identification unit comprises a key fob.
5. The electronic handle according to claim 1, wherein the electronic handle further comprises a handle ejecting unit; the electronic handle based on the capacitive sensing opening mode pops up through the handle popping unit under the set popping condition, otherwise, the handle is stored in the set position.
6. The electronic handle based on the capacitive sensing turn-on mode of claim 1, wherein the capacitive sensor comprises a first capacitive and capacitive sensor chip;
the capacitive sensor chip comprises a power supply pin, a grounding pin, a first sensor signal pin and a second sensor signal pin; the power supply pin and the grounding pin are respectively arranged at two ends of the first capacitor; the first sensor signal pin and the second sensor signal pin are respectively arranged at two ends of the first capacitor.
7. The electronic handle based on capacitive sensing turn-on mode of claim 6, wherein the capacitive sensor further comprises an LED circuit; the LED circuit comprises an LED;
two ends of the LED are respectively arranged at two ends of the first capacitor through the first LED resistor and the second LED resistor; two ends of the LED are connected with a diode in parallel; and a third LED resistor is connected in parallel at two ends of the first capacitor.
8. The capacitive sensing based on opening mode electronic handle of claim 6, wherein the capacitive sensor further comprises an actuator circuit; the actuator circuit comprises an actuator and a thermistor; the thermistor can prevent the motor from overcurrent.
9. The electronic handle based on the capacitive sensing on mode of claim 6, wherein the capacitive sensor further comprises a micro switch; the micro switch can identify the position of the electronic handle and correspondingly send out a set signal.
10. An electronic handle based on a capacitive sensing opening mode is arranged on a set door and is characterized by comprising a control unit, an identity recognition unit and a sensing unit; the sensing unit comprises an electronic handle sensing module;
the electronic handle sensing module comprises a capacitive sensor and a communication antenna; the capacitive sensor can send out induction pulses under a set pulse condition; the control unit comprises an induction pulse receiving end, a communication antenna driving signal transmitting end, an identity confirmation signal receiving end and a door opening signal transmitting end; the communication antenna comprises a communication antenna driving signal receiving end and an identity verification signal transmitting end; the identity recognition unit comprises an identity verification signal receiving end and an identity confirmation signal transmitting end;
the set pulse condition comprises that a human hand approaches the electronic handle based on the capacitive sensing opening mode;
the electronic handle sensing module also comprises a button switch;
the button switch can send out a door closing signal under the set door closing condition; the control unit also comprises a door closing signal receiving end and a door locking signal transmitting end; the set door closing condition comprises that a button switch is triggered;
the control unit comprises an Electronic Control Unit (ECU); the electronic handle based on the capacitive sensing opening mode is arranged on an automobile door;
the identity recognition unit comprises a remote control key;
the electronic handle based on the capacitive sensing opening mode further comprises a handle ejecting unit; the electronic handle based on the capacitive sensing opening mode is popped up through the handle popping unit under a set popping condition, otherwise, the handle is stored in a set position;
the capacitive sensor comprises a first capacitor and a capacitive sensor chip;
the capacitive sensor chip comprises a power supply pin, a grounding pin, a first sensor signal pin and a second sensor signal pin; the power supply pin and the grounding pin are respectively arranged at two ends of the first capacitor; the first sensor signal pin and the second sensor signal pin are respectively arranged at two ends of the first capacitor;
the capacitive sensor further comprises an LED circuit; the LED circuit comprises an LED;
two ends of the LED are respectively arranged at two ends of the first capacitor through the first LED resistor and the second LED resistor; two ends of the LED are connected with a diode in parallel; a third LED resistor is connected in parallel at two ends of the first capacitor;
the capacitive sensor further includes an actuator circuit; the actuator circuit comprises an actuator and a thermistor; the thermistor can prevent the motor from overcurrent;
the capacitive sensor further comprises a micro switch; the micro switch can identify the position of the electronic handle and correspondingly send out a set signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921131724.4U CN210295224U (en) | 2019-07-18 | 2019-07-18 | Electronic handle based on capacitive sensing opening mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921131724.4U CN210295224U (en) | 2019-07-18 | 2019-07-18 | Electronic handle based on capacitive sensing opening mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210295224U true CN210295224U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921131724.4U Active CN210295224U (en) | 2019-07-18 | 2019-07-18 | Electronic handle based on capacitive sensing opening mode |
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| Country | Link |
|---|---|
| CN (1) | CN210295224U (en) |
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- 2019-07-18 CN CN201921131724.4U patent/CN210295224U/en active Active
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