CN213211141U - Access control system based on face recognition - Google Patents
Access control system based on face recognition Download PDFInfo
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- CN213211141U CN213211141U CN202022606692.8U CN202022606692U CN213211141U CN 213211141 U CN213211141 U CN 213211141U CN 202022606692 U CN202022606692 U CN 202022606692U CN 213211141 U CN213211141 U CN 213211141U
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- power supply
- access control
- relay
- contact switch
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Abstract
The utility model relates to an access control system based on face identification, including entrance guard control device, automatically controlled lock, solar cell panel, the alternating current input interface, the rectifier, photoswitch and first relay, entrance guard control device includes face identification ware and controller, solar cell panel is through first power supply line output electric energy, the first normally open contact switch series connection setting of first relay is on first power supply line, the alternating current input interface passes through rectifier and second power supply line output electric energy, the first normally closed contact switch series connection setting of first relay is on second power supply line, the direct current side connection of rectifier is through relay control circuit ground connection, the first control coil and the photoswitch series connection setting of first relay are on relay control line. Alternating current power supply or solar power supply is realized according to the light-operated switch, so that the consumption of alternating current is reduced, and electric energy is saved.
Description
Technical Field
The utility model relates to an access control system based on face identification.
Background
At present, more and more companies, office buildings, schools, communities, and the like are basically equipped with access control systems. The access control system, which can be called as an access management control system, is a digital intelligent management system for managing the access of personnel, and can open the door in a non-mechanical key mode. The existing access control systems can be generally divided into a contact type intelligent card access control system, a non-contact type intelligent card access control system and a password access control system; in addition, the system also comprises a fingerprint, palm print, human face and other biological identification access control systems.
And the access control system based on the face recognition is widely applied because of the recognition convenience and reliability. However, the power supply of the current access control system based on face recognition is mains supply, and the access control system based on face recognition needs 24 hours of uninterrupted power supply, so that the energy consumption is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides an access control system based on face identification for solve the current access control system based on face identification's the great problem of energy consumption.
In order to solve the technical problem, the utility model discloses a following technical scheme:
an access control system based on face recognition comprises an access control device and an electric control door lock, wherein the access control device comprises a face recognizer and a controller, the signal output end of the face recognizer is connected with the signal input end of the controller, and the signal output end of the controller is connected with the electric control door lock; the access control system further comprises a solar cell panel, an alternating current input interface, a rectifier, a photoswitch and a first relay; the first relay comprises a first control coil, a first normally open contact switch and a first normally closed contact switch; the solar panel is connected with one end of a first power supply circuit, the other end of the first power supply circuit is connected with the power supply end of the access control device, and the first normally open contact switch is arranged on the first power supply circuit in series; the alternating current input interface is connected with an alternating current side of the rectifier, a direct current side of the rectifier is connected with one end of a second power supply line, the other end of the second power supply line is connected with a power supply end of the access control device, and the first normally closed contact switch is arranged on the second power supply line in series; the direct current side of the rectifier is connected with one end of a relay control circuit, the other end of the relay control circuit is grounded, the first control coil and the photoswitch are connected in series and arranged on the relay control circuit, and the photoswitch is used for being switched on when the ambient illumination intensity is higher than a preset value.
Furthermore, the power supply end of the access control device is connected with the power supply end of the electric control door lock through a third power supply line.
Further, access control system still includes the light, first relay still includes second normally closed contact switch, alternating current input interface passes through the fourth power supply line and connects the light, second normally closed contact switch establishes ties and sets up fourth power supply line is last.
Furthermore, the access control device also comprises a control box, a storage battery, an alarm and a second relay, wherein the second relay comprises a second control coil and a third normally closed contact switch; the face recognizer and the alarm are arranged on the control box, the controller, the second relay and the storage battery are arranged in the control box, and the control box is also provided with a grounding interface which is used for grounding; the positive terminal of battery is connected the one end of second control coil, the other end of second control coil is connected the ground connection interface, the input of third normally closed contact switch is connected to the positive terminal of battery, the output of third normally closed contact switch is connected the anodal feed end of alarm, the negative pole feed end of alarm is connected the negative pole end of battery.
The utility model has the advantages that: the light-operated switch is used for detecting the external illumination intensity, when the external illumination intensity is smaller, the light-operated switch is switched off, the first control coil is powered off, the first normally-open contact switch is switched off, and the first normally-closed contact switch is switched on, so that when the external illumination is poor, the alternating current provides electric energy for the access control device; when external illumination intensity is bigger, the photoswitch switches on, and first control coil is electrified, and first normally open contact switch switches on, and first normally closed contact switch disconnection, solar cell panel drops into, realizes when external illumination preferred, provides the electric energy for entrance guard control device by solar cell panel, has reduced the consumption of alternating current, practices thrift the electric energy.
Drawings
FIG. 1 is a control schematic diagram of an access control system based on face recognition;
FIG. 2 is a circuit diagram of a face recognition based access control system;
FIG. 3 is a schematic view of an external structure of the door access control device;
fig. 4 is an anti-theft circuit diagram of the access control device.
Detailed Description
The embodiment provides an access control system based on face recognition, which can be applied to communities, schools, factories and the like.
The access control system comprises an access control device and an electric control door lock. The access control device is a control core of an access control system, and realizes access control based on face recognition. Because the access control device is based on face recognition, two most basic components of the access control device are a face recognizer 1 and a controller 2, and the face recognizer 1 is a conventional face recognition device, such as a conventional camera. The controller 2 may be a conventional control chip, such as a conventional single chip, a Micro Controller Unit (MCU), or the like. The singlechip can be a common singlechip with a 51-structure, such as an AT89CXX series of Atmel. The controller 2 realizes access control based on face recognition. The electrically controlled door lock 3 is a conventional device, is disposed at the controlled door, and is opened or closed according to the received control signal, so as to open or close the controlled door.
As shown in fig. 1, the signal output end of the face recognizer 1 is connected to the signal input end of the controller 2, and the signal output end of the controller 2 is connected to the electrically controlled door lock 3. The basic working process of the access control system is as follows: the user stands in front of the face recognizer 1, the face recognizer 1 obtains a face image of the user, the controller 2 performs image comparison and recognition, and after the comparison is passed, the electric control door lock 3 is controlled to be opened.
The access control system further comprises a solar cell panel 4, an alternating current input interface 5, a rectifier 6, a photoswitch 7 and a first relay. Wherein the specifications of the solar panel 4, such as area, voltage and power, are set by actual requirements. The specification of the solar panel 4 needs to be adapted to the voltage on the dc side of the rectifier 6. Moreover, the specific arrangement position of the solar cell panel 4 is not limited, and is generally arranged in a place where sunlight is sufficient. The ac input interface 5 is used for connecting an external ac power, such as 220V ac mains. The rectifier 6 is used to rectify the alternating current into direct current and may be a conventional rectifier device. The photoswitch 7 may be a conventional photoswitch device, and is turned on/off according to the external illumination intensity, in this embodiment, the photoswitch 7 is turned on when the illumination intensity is higher than a preset value, and is turned off when the illumination intensity is smaller than or equal to the preset value. The first relay may be a conventional relay device including a first control coil 8, a first normally open contact switch 9 and a first normally closed contact switch 10.
As shown in fig. 2, the solar panel 4 is connected to one end of the first power supply line, and the other end of the first power supply line is connected to the power supply end of the access control device, so as to supply power to the access control device, such as the face recognizer 1 and the controller 2. A first normally open contact switch 9 is arranged in series on the first supply line.
The alternating current input interface 5 is connected with an alternating current side of the rectifier 6, a direct current side of the rectifier 6 is connected with one end of a second power supply line, and the other end of the second power supply line is connected with a power supply end of the access control device. The first normally closed contact switch 10 is provided in series on the second power supply line.
The direct current side of rectifier 6 connects the one end of relay control circuit, and the other end of relay control circuit ground connection, first control coil 8 and photoswitch 7 establish ties and set up on relay control circuit.
The electric control door lock 3 can be independently powered by other power supplies, and in the embodiment, the power supply end of the access control device is also connected with the power supply end of the electric control door lock 3 through a third power supply line and is powered by the solar cell panel 4 or the rectifier 6.
In this embodiment, in order to promote the recognition reliability and guarantee the security of access control system, access control system still includes light 12, and light 12 is conventional lighting apparatus, and the specific position of setting does not do the restriction. The first relay further comprises a second normally closed contact switch 11, the alternating current input interface 5 is connected with an illuminating lamp 12 through a fourth power supply line, and the second normally closed contact switch 11 is arranged on the fourth power supply line in series.
Photoswitch 7 detects external illumination intensity, when external illumination intensity is than small (can understand that the external world is evening), photoswitch 7 disconnection, 8 electricity consumptions of first control coil, the disconnection of first normally open contact switch 9, first normally closed contact switch 10 and second normally closed contact switch 11 switch on, the alternating current provides the electric energy for entrance guard control device and automatically controlled lock 3 after passing through the rectifier 6 rectification, and in addition, the alternating current also supplies power for light 12, and the brightness is improved, and then face identification reliability and security are promoted. When external illumination intensity is bigger (can understand that the external world is daytime), photoswitch 7 switches on, and first control coil 8 gets electric, and first normally open contact switch 9 switches on, and first normally closed contact switch 10 and the disconnection of second normally closed contact switch 11, and solar cell panel 4 drops into, provides the electric energy for entrance guard control device and automatically controlled lock 3 through first normally open contact switch 10. Also, the illumination lamp 12 does not operate.
Under the general condition, the entrance guard control device is specially arranged in the control box, and the control reliability is ensured. In this embodiment, in order to prevent that entrance guard control device is stolen, promote control security, entrance guard control device still includes control box 13, battery 14, alarm 15 and second relay, and the second relay includes second control coil 16 and third normally closed contact switch 17.
As shown in fig. 3, the face recognizer 1 and the alarm 15 are provided on the control box 13. It should be understood that the concrete shape and size of control box 13 are set up by actual need, and in this embodiment, control box 13 is the cuboid structure, including roof, bottom plate, left side board, right side board, preceding curb plate and posterior lateral plate, and the material of these six boards is set up by actual need, for example: the six plates are made of insulating materials. As a specific embodiment, the face recognizer 1 is arranged on the front side plate for recognition, the alarm 15 is arranged on the upper side plate, and the alarm 15 can be a conventional audible and visual alarm. In this embodiment, the control box 13 is fixed on a specially-arranged fixing column, and the solar panel 4 can be fixed on the top end of the fixing column.
The control box 13 is further provided with a ground interface 18, and the specific implementation form of the ground interface 18 is not limited. The ground interface 18 is used for grounding, that is, a ground line is provided outside the control box 13, one end of the ground line is connected to the ground interface 18, and the other end of the ground line is grounded. As one embodiment, the ground interface 18 is provided on the left side plate.
In addition, in order to facilitate the arrangement of other related lines, such as a power supply line, a threading hole 19 can be arranged on the right side plate for the related line to pass through.
The controller 2, the second relay, and the storage battery 14 are provided in the control box 13. The voltage and capacity of the battery 14 are set by actual requirements.
As shown in fig. 4, the positive terminal of the battery 14 is connected to one end of the second control coil 16, the other end of the second control coil 17 is connected to the ground interface 18, the positive terminal of the battery 14 is connected to the input terminal of the third normally closed contact switch 17, the output terminal of the third normally closed contact switch 17 is connected to the positive power supply terminal of the alarm 15, and the negative power supply terminal of the alarm 15 is connected to the negative terminal of the battery 14.
It should be understood that in order to ensure that the battery 14 is sufficiently charged, the battery 14 needs to be periodically charged, a special charging circuit is arranged in the control box 13 to charge the battery 14, or the battery 14 is periodically taken out from the control box 13 to manually charge the battery 14. In order to reduce the charging frequency, the secondary battery 14 may use a large-capacity lithium ion battery.
In the normal operation process of the access control system, the grounding interface 18 is grounded, because one end of the second control coil 16 is connected with the positive end of the storage battery 14, the other end of the second control coil is connected with the grounding interface 18, and the grounding interface 18 is normally grounded, current exists in the second control coil 16, the third normally closed contact switch 17 is disconnected, and the alarm 15 does not operate. When the access control device is stolen, a thief needs to cut off the grounding circuit of the grounding interface 18 in order to take away the access control device, then the grounding interface 18 is not grounded, current does not exist in the second control coil 16 any more, the third normally closed contact switch 17 is closed, the alarm 15 runs by power, the alarm 15 sends an alarm signal, and other people can timely know that the access control device is stolen.
It should be understood that the utility model discloses what protect is access control system's hardware architecture based on face identification, this access control system's based on face identification's internal control strategy (be based on face identification's access control process promptly) is conventional technical means, the utility model discloses access control system based on face identification does not receive the restraint of internal control strategy.
Claims (4)
1. An access control system based on face recognition comprises an access control device and an electric control door lock, wherein the access control device comprises a face recognizer and a controller, the signal output end of the face recognizer is connected with the signal input end of the controller, and the signal output end of the controller is connected with the electric control door lock;
the access control system is characterized by further comprising a solar cell panel, an alternating current input interface, a rectifier, a photoswitch and a first relay; the first relay comprises a first control coil, a first normally open contact switch and a first normally closed contact switch;
the solar panel is connected with one end of a first power supply circuit, the other end of the first power supply circuit is connected with the power supply end of the access control device, and the first normally open contact switch is arranged on the first power supply circuit in series; the alternating current input interface is connected with an alternating current side of the rectifier, a direct current side of the rectifier is connected with one end of a second power supply line, the other end of the second power supply line is connected with a power supply end of the access control device, and the first normally closed contact switch is arranged on the second power supply line in series; the direct current side of the rectifier is connected with one end of a relay control circuit, the other end of the relay control circuit is grounded, the first control coil and the photoswitch are connected in series and arranged on the relay control circuit, and the photoswitch is used for being switched on when the ambient illumination intensity is higher than a preset value.
2. The access control system based on face recognition of claim 1, wherein the power supply end of the access control device is further connected with the power supply end of the electric control door lock through a third power supply line.
3. The access control system based on face recognition according to claim 1, characterized in that, access control system still includes the light, first relay still includes second normally closed contact switch, alternating current input interface passes through the fourth power supply line and connects the light, second normally closed contact switch series connection sets up on the fourth power supply line.
4. The access control system based on the face recognition is characterized in that the access control device further comprises a control box, a storage battery, an alarm and a second relay, wherein the second relay comprises a second control coil and a third normally closed contact switch; the face recognizer and the alarm are arranged on the control box, the controller, the second relay and the storage battery are arranged in the control box, and the control box is also provided with a grounding interface which is used for grounding; the positive terminal of battery is connected the one end of second control coil, the other end of second control coil is connected the ground connection interface, the input of third normally closed contact switch is connected to the positive terminal of battery, the output of third normally closed contact switch is connected the anodal feed end of alarm, the negative pole feed end of alarm is connected the negative pole end of battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022606692.8U CN213211141U (en) | 2020-11-12 | 2020-11-12 | Access control system based on face recognition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022606692.8U CN213211141U (en) | 2020-11-12 | 2020-11-12 | Access control system based on face recognition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213211141U true CN213211141U (en) | 2021-05-14 |
Family
ID=75828503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022606692.8U Expired - Fee Related CN213211141U (en) | 2020-11-12 | 2020-11-12 | Access control system based on face recognition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213211141U (en) |
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2020
- 2020-11-12 CN CN202022606692.8U patent/CN213211141U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210514 Termination date: 20211112 |