CN207718466U - A kind of intelligent cloud control lock based on NB-Iot communications - Google Patents
A kind of intelligent cloud control lock based on NB-Iot communications Download PDFInfo
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- CN207718466U CN207718466U CN201820124295.7U CN201820124295U CN207718466U CN 207718466 U CN207718466 U CN 207718466U CN 201820124295 U CN201820124295 U CN 201820124295U CN 207718466 U CN207718466 U CN 207718466U
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Abstract
The utility model is related to a kind of intelligent cloud control lock based on NB Iot communication, include microswitch unit, control unit and the power supply unit for the power supply of above-mentioned each unit of electronic lock unit, on off state for NB Iot communication units of communications between electronic lock unit and external Cloud Server, for the bluetooth-communication unit of communications between electronic lock unit and external past near-field control unit, for monitoring door；Wherein, described control unit is electrically connected with electronic lock unit, NB Iot communication units, bluetooth-communication unit, microswitch unit and power supply unit respectively.The intelligent cloud control lock can authorize the individual for using external equipment, and in rights management more directly, user uses also more convenient, safety.
Description
Technical Field
The utility model relates to a technical field of the thing networking, in particular to intelligence cloud accuse lock based on NB-Iot communication.
Background
At present, the Internet of things is gradually popularized and used in domestic markets, particularly has a wide prospect in smart cities, but the application of the Internet of things in other subdivided fields is still slow except for a sharing list. Traditional thing networking divide into the collection layer altogether, communication layer and application layer, promote slowly at the thing networking at present, and the biggest bottleneck lies in the communication layer in practice, and 4G module has a lot of coverage blind areas when practical application, in municipal administration and enterprise production, if there is the blind area will bring a lot of problems for municipal administration and enterprise production. Since 2016, the ministry of industry and trust promotes the construction and application of low-power-consumption wide area networks, which mainly use narrowband internet of things (NB-IoT) as a main component and can select authorized frequency spectrums, and the low-power-consumption wide area networks have the technology and industrial foundation for deploying a nationwide wide coverage network due to the active promotion of mainstream operators and equipment manufacturers.
One major application of the internet of things is remote control of remote electronic locks, such as locks on shared bicycles and locks on devices such as base stations. The existing electronic lock mainly adopts a physical mode and a near-field wireless unlocking mode, has defects in authorization and identity recognition, and causes certain difficulty for management.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an intelligence cloud accuse lock based on NB-Iot communication to solve the above-mentioned problem among the prior art.
The intelligent cloud control lock based on NB-Iot communication comprises:
the system comprises an electronic lock unit, an NB-Iot communication unit for communication transmission between the electronic lock unit and an external cloud server, a Bluetooth communication unit for communication transmission between the electronic lock unit and an external near field control unit, a micro switch unit for monitoring the opening and closing state of a door, a control unit and a power supply unit for supplying power to the units; wherein,
the control unit is respectively and electrically connected with the electronic lock unit, the NB-Iot communication unit, the Bluetooth communication unit, the microswitch unit and the power supply unit.
Further, the power supply unit includes the following circuit structure:
the base electrode of the triode V1 is connected with an external power supply through a resistor R1, the emitter electrode of the triode V1 is grounded, one side of the collector electrode of the triode V1 is connected with the internal power supply through a resistor R2, and the other side of the collector electrode is connected with the first end of a resistor R3;
the base electrode of the triode V2 is connected with the second end of the resistor R3 and the first end of the resistor R5, the emitter electrode of the triode V2 is connected with the second end of the resistor R5 and is grounded, one side of the collector electrode of the triode V2 is connected with an internal power supply through the resistor R4, the other side of the collector electrode of the triode V2 is connected with the grid electrode of the MOS tube V3, the source electrode of the MOS tube V3 is connected with the internal power supply, and the drain electrode of the MOS tube V3 is respectively connected with the output end of the power supply unit, the negative electrode of the reverse protection diode D1, the first end of the capacitor C1, the first end of the capacitor C2;
the anode of the reverse protection diode D1 is connected with an external power supply;
the second end of the capacitor C1, the second end of the capacitor C2, the anode of the voltage stabilizing diode D2 and the cathode of the electrolytic capacitor C3 are grounded.
Furthermore, the bluetooth communication unit comprises a communication interface circuit, an impedance matching circuit, a clock circuit, a power circuit, an antenna and a bluetooth chip, wherein the communication interface circuit and the impedance matching circuit are electrically connected with the bluetooth chip, and the impedance matching circuit is electrically connected with the antenna.
Further, the processor of the NB-Iot communication unit is a Haisi Hi2110 chip.
Further, the control unit adopts an STM8S003F3 chip.
Further, the bluetooth chip is a CC2540 chip.
Furthermore, the device also comprises a satellite positioning device, and the control unit is electrically connected with the satellite positioning device.
Furthermore, the device also comprises an alarm device, and the control unit is electrically connected with the alarm device.
The utility model provides an intelligence cloud accuse lock based on NB-Iot communication has following technological effect:
1. traditional electronic lock is authorized through the management key, therefore has appeared that the key trades people's use and private key scheduling problem, can't accomplish to authorize the people, and the cloud accuse lock platform is authorized the people, and is more direct in the authority management.
2. Aiming at the problem that a maintainer cannot supervise whether to go to the site or not after receiving a key and cannot supervise whether to go to the site or not, the cloud control lock platform gives the maintainer the authority of a designated lock in an authorization mode, and meanwhile, monitors that the maintainer can unlock only when arriving at the site.
3. The key of traditional electronic lock often appears the key and loses and maintainer leaves the work and causes the risk of safety out of control, and this problem is evaded through electronic key to cloud accuse lock platform.
4. The cloud control lock has the functions of monitoring the door and locking the state, and gives an alarm when the state is abnormal, and the cloud control lock has the function of GPS positioning, so that the navigation and the searching of maintenance personnel are facilitated.
Drawings
Fig. 1 is a general architecture diagram of an intelligent cloud control lock based on NB-Iot communication according to an embodiment of the present invention;
fig. 2 is a structural diagram of a bluetooth communication unit according to an embodiment of the present invention;
fig. 3 is a structural diagram of a power supply unit according to a second embodiment of the present invention.
Detailed Description
The following section further describes the technical solution with reference to the drawings and the specific implementation examples.
Example one
As shown in fig. 1, the intelligent cloud control lock based on NB-Iot communication provided in this embodiment includes an NB-Iot communication unit, a control unit, a micro switch unit, a bluetooth communication unit, an electronic lock unit, and a power supply unit, where the control unit is electrically connected to the electronic lock unit, the NB-Iot communication unit, the bluetooth communication unit, the micro switch unit, and the power supply unit, respectively.
The functions and functions of the above units are described as follows:
the electronic lock unit is used for realizing the opening and closing actions of the lock cylinder. The specific operation process is as follows: the intelligent lock is characterized in that an external cloud server issues a starting instruction, a buzzer rings, an indicator lamp is on, a lock cylinder is opened, the state of an internal sensor is reported to the server, the intelligent lock is automatically locked after being closed, a lock state signal and a micro-motion unit signal are reported to the external server, and whether the intelligent lock and a door are locked or not can be confirmed through comparative analysis;
the micro switch unit is used for monitoring the opening and closing state of a door where the intelligent cloud control lock is located;
the NB-Iot communication unit is responsible for communication transmission between the intelligent cloud control lock and the server, and can control the electronic lock to be opened and closed through an external cloud server;
the Bluetooth communication unit is responsible for communication between the intelligent cloud control lock and the near field control unit (such as an intelligent key and a mobile phone);
the control unit is responsible for the electronic lock, the NB-Iot communication unit and the Bluetooth communication unit, and simultaneously analyzes the instructions of an external cloud server and the intelligent key and transmits the instructions to the electronic lock;
the power supply unit provides electric energy for other units, and for the purpose of saving power consumption, the power supply unit is only electrically connected to the control unit, and the control unit controls the power supply of other units, for example: the electronic lock unit consumes power particularly, and the control unit controls the power supply unit to cut off the power supply of the electronic lock at ordinary times and switch on the power supply when the electronic lock is unlocked.
Preferably, the NB-Iot communication unit is an NB-Iot communication module developed based on the Haisi Hi2110 chip platform, the working frequency Band is Band5 or Band8, the LCC package adopts a low power consumption technology, and the current power consumption is lower than 10uA in a deep sleep mode.
Referring to fig. 2, preferably, the bluetooth communication unit includes a communication interface circuit, an impedance matching circuit, a clock circuit, a power circuit, an antenna, and a bluetooth chip, where the communication interface circuit and the impedance matching circuit are electrically connected to the bluetooth chip, the impedance matching circuit is electrically connected to the antenna, and the bluetooth chip is a bluetooth communication module developed based on a CC2540 chip platform of the TI company, supports bluetooth 4.1, and supports a standard bluetooth BLE protocol.
Preferably, the control unit is developed based on an STM8S003F3 chip, and has a main function of analyzing an unlocking instruction of the server and the smart key, reporting states of the lock and the door to an external cloud server, and controlling a power supply switch of the electronic lock.
Preferably, the intelligent cloud control lock further comprises a satellite positioning device, so that on one hand, an administrator can see the positions of all electronic locks through the cloud platform, and on the other hand, on-site maintenance personnel can find corresponding doors through satellite navigation.
Preferably, the intelligent cloud control lock further comprises an alarm device, so that when the door lock is illegally opened, the alarm device can give an alarm, and if the field maintenance personnel do not lock the door, namely the door is closed and the door is opened, the alarm device can give an alarm.
Example 2
The embodiment is an improvement of the power supply unit in the intelligent cloud control lock based on NB-Iot communication in the first embodiment. An ordinary electronic lock is usually powered by a battery, and once the battery is insufficient, the electronic lock often works abnormally, or when a field maintenance worker intends to replace the battery, the electronic lock cannot be opened due to the fact that the battery is out of power, and further cannot be mounted and dismounted. In the embodiment, the power supply switching circuit is added in the power supply unit, so that the power supply unit can be freely switched between the internal battery and the external power supply, and the problem that the electronic lock cannot be detached due to lack of power supply when the battery is replaced is solved.
Specifically, referring to fig. 3, the power supply unit in this embodiment may provide 12V power, and support automatic switching between an external power supply and a battery power supply. The base of the triode V1 is connected with an external power supply through a resistor R1, the emitter of the triode V1 is grounded, the collector of the triode V1 is connected with an internal power supply (such as a battery) through a resistor R2, and the collector of the triode V1 is connected with the first end of a resistor R3; the base electrode of the triode V2 is connected with the second end of the resistor R3 and the first end of the resistor R5, the emitter electrode of the triode V2 is connected with the second end of the resistor R5 and is grounded, one side of the collector electrode of the triode V2 is connected with an internal power supply through the resistor R4, the other side of the collector electrode of the triode V2 is connected with the grid electrode of the MOS tube V3, the source electrode of the MOS tube V3 is connected with the internal power supply, and the drain electrode of the MOS tube V3 is respectively connected with the output end of the power supply unit, the negative electrode of the reverse protection diode D1, the first end of the capacitor C1, the first end of the capacitor C2; the anode of the reverse protection diode D1 is connected with an external power supply; the second end of the capacitor C1, the second end of the capacitor C2, the anode of the voltage stabilizing diode D2 and the cathode of the electrolytic capacitor C3 are grounded.
The principle of internal and external power supply switching is as follows:
when the external battery is not input, the voltage of the base of the triode V1 is 0V, the triode V1 is not conducted, the voltage VBAT of the battery is divided by the R3 and the R5 to generate a voltage drop larger than 0.7V at the base of the triode V2, the triode V2 is conducted, the grid voltage of the MOS tube V3 is 0V, the MOS tube V3 is conducted, the battery voltage VBAT is output to the output terminal of the power supply unit through the source and the drain of the MOS tube V3 to be used for power supply, and the voltage Vout of the output terminal of the power supply unit is measured to be equal to VBAT due to the fact that the voltage drop is hardly generated when the MOS tube V3 is conducted. When an external power supply is input and the external power supply input is larger than about 1V, a voltage drop of 0.7V is generated on the base electrode of the triode V1, the triode V1 is conducted, the voltage drop of the base electrode of the triode V2 is 0, the triode V2 is cut off, the gate electrode of the MOS transistor V3 is at a high level, the voltage drop Vgs between the grid electrode and the source electrode of the MOS transistor V3 is larger than 0, a channel between the source electrode and the drain electrode of the MOS transistor V3 is cut off, the VBAT output is cut off, the external power supply supplies power to equipment connected with the output terminal of the power supply unit through the diode D1, and at.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (8)
1. An intelligent cloud control lock based on NB-Iot communication, comprising:
the system comprises an electronic lock unit, an NB-Iot communication unit for communication transmission between the electronic lock unit and an external cloud server, a Bluetooth communication unit for communication transmission between the electronic lock unit and an external near field control unit, a micro switch unit for monitoring the opening and closing state of a door, a control unit and a power supply unit for supplying power to the units; wherein,
the control unit is respectively and electrically connected with the electronic lock unit, the NB-Iot communication unit, the Bluetooth communication unit, the microswitch unit and the power supply unit.
2. The intelligent cloud lock based on NB-Iot communication of claim 1, wherein the power supply unit comprises the following circuit structure:
the base electrode of the triode V1 is connected with an external power supply through a resistor R1, the emitter electrode of the triode V1 is grounded, one side of the collector electrode of the triode V1 is connected with the internal power supply through a resistor R2, and the other side of the collector electrode is connected with the first end of a resistor R3;
the base electrode of the triode V2 is connected with the second end of the resistor R3 and the first end of the resistor R5, the emitter electrode of the triode V2 is connected with the second end of the resistor R5 and is grounded, one side of the collector electrode of the triode V2 is connected with an internal power supply through the resistor R4, the other side of the collector electrode of the triode V2 is connected with the grid electrode of the MOS tube V3, the source electrode of the MOS tube V3 is connected with the internal power supply, and the drain electrode of the MOS tube V3 is respectively connected with the output end of the power supply unit, the negative electrode of the reverse protection diode D1, the first end of the capacitor C1, the first end of the capacitor C2;
the anode of the reverse protection diode D1 is connected with an external power supply;
the second end of the capacitor C1, the second end of the capacitor C2, the anode of the voltage stabilizing diode D2 and the cathode of the electrolytic capacitor C3 are grounded.
3. The intelligent cloud lock based on NB-Iot communication of claim 1, wherein the Bluetooth communication unit comprises a communication interface circuit, an impedance matching circuit, a clock circuit, a power circuit, an antenna and a Bluetooth chip, wherein the communication interface circuit and the impedance matching circuit are electrically connected with the Bluetooth chip, and the impedance matching circuit is electrically connected with the antenna.
4. The intelligent cloud lock based on NB-Iot communication of claim 1, wherein the processor of the NB-Iot communication unit is a Haisi Hi2110 chip.
5. The intelligent cloud lock based on NB-Iot communication according to claim 1, characterized in that the control unit employs STM8S003F3 chip.
6. The NB-Iot communication-based intelligent cloud control lock according to claim 3, wherein the Bluetooth chip is a CC2540 chip.
7. The intelligent cloud lock based on NB-Iot communication of claim 1, further comprising a satellite positioning device, wherein the control unit is electrically connected with the satellite positioning device.
8. The intelligent cloud lock based on NB-Iot communication according to claim 1, further comprising an alarm device, wherein said control unit is electrically connected with the alarm device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820124295.7U CN207718466U (en) | 2018-01-25 | 2018-01-25 | A kind of intelligent cloud control lock based on NB-Iot communications |
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| CN201820124295.7U CN207718466U (en) | 2018-01-25 | 2018-01-25 | A kind of intelligent cloud control lock based on NB-Iot communications |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356454A (en) * | 2018-11-09 | 2019-02-19 | 深圳供电局有限公司 | Intelligent key |
| CN109598833A (en) * | 2019-01-18 | 2019-04-09 | 泰华智慧产业集团股份有限公司 | Smart lock control system based on optical cable joining cabinet |
| CN110060399A (en) * | 2019-04-28 | 2019-07-26 | 嘉应学院 | A kind of rental house coding lock system and control method based on NB-IoT |
| CN113098988A (en) * | 2019-12-23 | 2021-07-09 | 中国电信股份有限公司 | Data transmission method and data transmission system |
-
2018
- 2018-01-25 CN CN201820124295.7U patent/CN207718466U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356454A (en) * | 2018-11-09 | 2019-02-19 | 深圳供电局有限公司 | Intelligent key |
| CN109598833A (en) * | 2019-01-18 | 2019-04-09 | 泰华智慧产业集团股份有限公司 | Smart lock control system based on optical cable joining cabinet |
| CN110060399A (en) * | 2019-04-28 | 2019-07-26 | 嘉应学院 | A kind of rental house coding lock system and control method based on NB-IoT |
| CN113098988A (en) * | 2019-12-23 | 2021-07-09 | 中国电信股份有限公司 | Data transmission method and data transmission system |
| CN113098988B (en) * | 2019-12-23 | 2022-06-24 | 中国电信股份有限公司 | Data transmission method and data transmission system |
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