CN210898627U - Power supply system of intelligent door and intelligent door - Google Patents
Power supply system of intelligent door and intelligent door Download PDFInfo
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- CN210898627U CN210898627U CN201921952565.4U CN201921952565U CN210898627U CN 210898627 U CN210898627 U CN 210898627U CN 201921952565 U CN201921952565 U CN 201921952565U CN 210898627 U CN210898627 U CN 210898627U
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Abstract
The power supply system of the intelligent door comprises a power adapter, a storage battery and a switch, wherein the input end of the power adapter is configured to be connected with an alternating current power supply, the output end of the power adapter is configured to be connected with the intelligent door, and the power adapter converts alternating current provided by the alternating current power supply into direct current required by the intelligent door; the output end of the storage battery is connected with the intelligent door and is configured to supply power to the intelligent door; the switch at least comprises a first switch, a second switch and a control end, and the first switch is connected with the intelligent door and the output end of the power adapter; the second switch is connected with the intelligent door and the output end of the storage battery; the control end is connected with the first switch and the second switch, and is configured to control the second switch to be closed when the first switch is opened, and the first switch to be closed when the second switch is opened.
Description
Technical Field
The application relates to the field of power supply systems, in particular to a power supply system of an intelligent door and the intelligent door.
Background
At present, the monitoring equipment and the lockset on some intelligent doors all adopt the mode of independent power supply, the lockset generally uses dry batteries, and the monitoring equipment uses a small-capacity lithium battery. The dry battery has small capacity, needs frequent replacement and has high accumulated cost; the small-capacity lithium battery is small in capacity, the lithium battery is assembled in the host, the whole lithium battery needs to be disassembled during charging, and the lithium battery is inconvenient to use. Also, the capacity of the lithium battery is greatly reduced in a low temperature state, and the capacity of the battery is reduced more rapidly as the temperature is reduced. Under the low temperature state, the lithium battery is charged once and is used for a time which is far lower than the time used under the normal temperature. In cold regions or in winter, the temperature in many regions will be below 0 ℃ or even lower. Use the easy outage of lithium cell power supply under this kind of environment to cause supervisory equipment system paralysis, influence the result of use, use can greatly reduced lithium cell's life even for a long time.
In order to solve the problems that the battery needs to be replaced frequently and the battery capacity is reduced in a low-temperature state, a new intelligent door power supply system and an intelligent door are needed.
SUMMERY OF THE UTILITY MODEL
The technical problem that this application technical scheme will solve is that battery and the battery capacity reduces etc. under the low temperature state need frequently changed battery and supervisory equipment to intelligence door tool to lock and supervisory equipment.
In order to solve the technical problem, the power supply system of the intelligent door and the intelligent door adopt two power supply schemes of municipal alternating current (commercial power for short) and storage battery, at normal temperature, the commercial power and the storage battery supply power mutually and are mutually alternative, and when one power supply scheme fails, the other scheme is started to supply power to the intelligent door. The application provides a power supply system of intelligence door includes temperature sensor, can detect the ambient temperature of intelligence door, can select one of municipal alternating current and battery dual mode to supply power under normal temperature environment, when the ambient temperature that intelligence door is located is less than the critical value, the automatic disconnection battery, by municipal alternating current power supply, the capacity reduction causes the outage and frequently charges the problem that reduces life under avoiding the battery low temperature.
The power supply system of the intelligent door comprises a power adapter, a storage battery and a switch, wherein the input end of the power adapter is configured to be suitable for being connected with an alternating current power supply, the output end of the power adapter is configured to be suitable for being connected with the intelligent door, and the power adapter converts alternating current provided by the alternating current power supply into direct current required by the intelligent door; the output end of the storage battery is connected with the intelligent door and is configured to supply power to the intelligent door; the switch at least comprises a first switch, a second switch and a control end, and the first switch is connected with the intelligent door and the output end of the power adapter; the second switch is connected with the intelligent door and the output end of the storage battery; the control end is connected with the first switch and the second switch, and is configured to control the second switch to be closed when the first switch is opened, and the first switch to be closed when the second switch is opened.
In some embodiments, the power supply system of the intelligent door further comprises a control unit configured to control a power supply mode, and the control unit is connected with the control end of the switch.
In some embodiments, the power supply system of the smart door further comprises a temperature sensor configured to be mounted on the smart door, detect the temperature of the environment where the smart door is located, and transmit detection data to the control unit, and the control unit controls the switch according to the detection data.
In some embodiments, when the temperature sensor detects that the environment in which the smart door is located is not higher than the critical value, the switch disconnects the battery from the smart door.
In some embodiments, the battery is connected to the ac power source and receives the ac power source to charge the battery.
The application provides an intelligence door, including the door body and this application embodiment the power supply system of intelligence door.
In some embodiments, the smart door further comprises at least one of a lock and a monitoring device, wherein the lock is mounted on the door body and comprises a lock power control module; the monitoring equipment is installed on the door body and comprises a monitoring equipment power supply control module.
In some embodiments, the lockset power control module is connected with a power supply system of the intelligent door.
In some embodiments, the monitoring device power control module is connected to a power supply system of the smart door.
In some embodiments, the monitoring device power control module is in series with the lockset power control module.
According to the technical scheme, the intelligent door power supply system and the intelligent door adopt two power supply schemes of municipal alternating current and storage battery, the commercial power and the storage battery are mutually supplemented and mutually replaced, and the other scheme is started to supply power to the intelligent door when one power supply scheme fails. Temperature sensor can detect the ambient temperature of intelligence door, can select one of municipal alternating current and battery two kinds of modes to supply power under normal temperature environment, and when ambient temperature is less than the critical value, the automatic disconnection battery by municipal alternating current power supply, avoids battery low temperature capacity to reduce the problem that causes outage and frequent charging reduction life.
Other functions of the present application will be partially set forth in the following description. The contents of the following figures and examples will be apparent to those of ordinary skill in the art in view of this description. The inventive aspects of this application can be fully explained by the practice or use of the methods, apparatus and combinations described in the detailed examples below.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1a is a circuit diagram illustrating an ac power supply system of an intelligent door according to various embodiments of the present disclosure;
FIG. 1b is a circuit diagram illustrating a power supply system of an intelligent door powered by a storage battery according to various embodiments of the present application;
FIG. 1c is a circuit diagram of a power supply system for an intelligent door provided herein according to various embodiments;
FIG. 2a is a schematic structural diagram of an intelligent door provided by the present application according to various embodiments;
FIG. 2b is a schematic structural diagram of an intelligent door provided by the present application according to various embodiments;
fig. 2c is a schematic structural diagram of an intelligent door provided in the present application according to various embodiments.
Detailed Description
The following description is presented to enable any person skilled in the art to make and use the present disclosure, and is provided in the context of a particular application and its requirements. Various local modifications to the disclosed embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other embodiments and applications without departing from the spirit and scope of the present disclosure. Thus, the present disclosure is not to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the claims.
The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. For example, as used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," and/or "including," when used in this specification, are intended to specify the presence of stated integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The term "A on B" as used in this specification means that A is either directly adjacent (above or below) B or indirectly adjacent (i.e., separated by some material) to B; the term "A within B" means that A is either entirely within B or partially within B.
These and other features of the present disclosure, as well as the operation and function of the related elements of the structure, and the combination of parts and economies of manufacture, may be particularly improved upon in view of the following description. All of which form a part of the present disclosure, with reference to the accompanying drawings. It is to be expressly understood, however, that the drawings are for the purpose of illustration and description only and are not intended as a definition of the limits of the disclosure. It should also be understood that the drawings are not drawn to scale.
The power supply system 100 for the smart door provided by the present application may include two power supply modes, the first mode is a municipal ac power supply mode, and the second mode is a storage battery power supply mode. Fig. 1a is a circuit diagram 101 of a power supply system 100 of an intelligent door, which is powered by an ac power source according to various embodiments of the present application. Fig. 1b is a circuit diagram 102 illustrating that the power supply system 100 of the smart door is powered by a storage battery according to various embodiments of the present application. As shown in fig. 1a and 1b, the power supply system 100 for smart doors provided by the present application may include a power adapter 110, a storage battery 130, and a switch 150.
As shown in fig. 1a and 1b, the input terminal of the power adapter 110 may be connected to the ac power source 120, the output terminal of the power adapter 110 may be connected to the smart gate 200, and the power adapter 110 may convert the ac power provided by the ac power source 120 into the dc power required by the smart gate 200. For example, the power adapter 110 may convert ac power to 12V2A dc power, to 5V4A dc power, and so on. The ac power source 120 may be municipal ac power, which may be of different specifications in different regions, and the ac power source 120 is not particularly limited, for example, the ac power source 120 may be 220V ac power in china, or 110V ac power in the united states or other regions. The ac power source 120 may be a conventional utility ac outlet and the power adapter 110 may include a transformer and may also include a plug that may be connected to the utility ac outlet.
The output of the battery 130 may be connected to the smart gate 200 and may be configured to supply power to the smart gate 200. The battery 130 may be a secondary battery such as a lithium battery, a nickel metal hydride battery, or a primary battery. The capacity of the accumulator may be 20000mAH, but also a larger or smaller capacity, e.g. 30000mAH or 10000mAH, etc.
The switch 150 may include at least a first switch 151, a second switch 152, and a control terminal 153. The first switch 151 may be connected to the output terminals of the smart gate 200 and the power adapter 110. Therefore, when the first switch 151 is closed, the smart door 001 is connected to the power adapter 110; when the first path switch 151 is turned off, the smart door 001 is disconnected from the power adapter 110. The second switch 152 may be connected to the output terminals of the smart gate 200 and the battery 130. Therefore, when the second switch 152 is closed, the smart door 001 is connected to the battery 130; when the second way switch 152 is open, the intelligence 001 is disconnected from the battery 130. The control terminal 153 may be connected to the first switch 151 and the second switch 152, and may be configured to detect whether a current flows through the first switch 151 and the second switch 152 in a closed state, and control a power supply manner. For example, switch 150 may be a two-way switch. And controlling the second switch 152 to be closed when the first switch 151 is opened, and controlling the first switch 151 to be closed when the second switch 152 is opened, so that the first switch 151 is linked with the second switch 152. When the second switch 152 is turned on but no current flows, the control terminal 153 controls the second switch 152 to be turned off, and at the same time, the first switch 151 is turned on, and at this time, the power adapter 110 and the smart gate 200 are turned on, and the ac power supply 120 supplies power to the smart gate 200, as shown in fig. 1 a; when the first switch 151 is turned on but no current flows, the control terminal 153 controls the first switch 151 to be turned off, and the second switch 152 is turned on, at this time, the battery 130 and the smart door 200 are turned on, and the battery 130 supplies power to the smart door 200, as shown in fig. 1 b. When no current flows through both the first switch 151 and the second switch 152, the control terminal 153 may control the second switch 152 to be closed until a current flows through the second switch 152; of course, the control terminal 153 may also control the first switch 151 to close and the second switch 152 to open until the current passes through the first switch 151; of course, the control terminal 153 may also control the first switch 151 and the second switch 152 to be alternately closed at certain intervals until current passes through the first switch 151 or the second switch 152, where the certain interval may be preset, and may be 1 hour, 4 hours, 1 day, and the like.
In summary, the intelligent door power supply system 100 provided in the present application can adopt two power supply methods. The first is supplied by the ac power source 120 and the second is supplied by the battery 130. The alternating current power source 120 and the storage battery 130 supply power to complement each other, and are alternative to each other, and when one of the power supply schemes fails, the other scheme starts to supply power to the intelligent door 200. Effectively avoided under the single power supply mode, intelligent door 200 that the outage arouses can not start scheduling problem.
In some embodiments, the power supply system 100 of the smart door may further include a control unit 160, as shown in fig. 1a and 1 b. The control unit 160 may be configured to control the power supply manner. The control unit 160 may be connected to the control terminal 153 of the switch 150 to control the switch 150 to operate to switch on one of the power adapter 110 and the battery 130 to supply power to the smart door 200. When no current flows in the power supply line currently connected to the switch 150, the control unit 160 controls the control terminal 153 of the switch 150 to automatically switch to another power supply mode. As shown in fig. 1b, when no current flows through the first switch 151 in the power adapter 110, the control unit 160 controls the control terminal 153 of the switch 150 to open the first switch 151 and close the second switch 152, so as to switch on the battery 130 and the smart gate 200, and the battery 130 supplies power to the smart gate 200. As shown in fig. 1a, when no current flows through the second switch 152 in the battery 130, the control unit 160 controls the control terminal 153 of the switch 150 to open the second switch 152 and close the first switch 151, so as to switch on the power adapter 110 and the smart gate 200, and the ac power source 120 supplies power to the smart gate 200. The control unit 160 may be integrated on the control main board of the smart door 200.
In some embodiments, the power supply system 100 of the smart door may further include a temperature sensor 170, as shown in fig. 1a and 1 b. The temperature sensor 170 may be configured to be suitably installed on the smart door 200, and may detect the temperature of the environment in which the smart door 200 is located, and transmit the detected data to the control unit 160. The control unit 160 may control the switch 150 to operate according to the detection data. A temperature critical value may be preset in the control unit 160. When the temperature sensor 170 detects that the ambient temperature of the smart door 200 is higher than the critical value, the control unit 160 may control the control terminal 153 of the switch 150 to selectively close one of the first switch 151 and the second switch 152 to switch on one of the power adapter 110 and the storage battery 130 to supply power to the smart door 200. When no current flows in the power supply line currently connected to the switch 150, the control unit 160 controls the control terminal 153 of the switch 150 to automatically switch to another power supply mode. When the temperature sensor 170 detects that the ambient temperature of the smart door 200 is not higher than the threshold value, the control unit 160 controls the control terminal 153 of the switch 150 to open the second switch 152 and close the first switch 151, so as to switch on the power adapter 110 and the smart door 200, and the ac power source 120 supplies power to the smart door 200, as shown in fig. 1 a. The threshold value may be preset in the control unit 160, but may be set and changed by a user. The critical value may be 0 ℃, 3 ℃, 5 ℃ etc., although the critical value may be lower, e.g., -2 ℃, 5 ℃, even-10 ℃ etc.
When battery 130 is in a low temperature state, the battery capacity may be greatly reduced, and the battery capacity may be reduced faster as the temperature is reduced. In the low temperature state, the secondary battery 130 is charged once and used much less frequently than it is used at the normal temperature. In cold regions or in winter, the temperature in many regions will be below 0 ℃ or even lower. The power supply by using the storage battery 130 in such an environment affects the use effect, and even the long-term use can greatly reduce the service life of the storage battery 130. The smart door power supply system 100 provided herein includes a temperature sensor 170. When the temperature of the smart door 200 is higher than the critical value, one of the power supply modes of the alternating current power supply 120 and the storage battery 130 can be selected; when the temperature of the smart door 200 is not higher than the threshold value, the control unit 160 may close the first switch 151, so that the ac power source 120 supplies power to the smart door 200. The situation that the intelligent door 200 cannot be started or the system is broken down due to power failure caused by the capacity reduction of the storage battery 130 when the intelligent door is used in a cold area or in a low-temperature environment in winter is avoided; and meanwhile, frequent charging of the storage battery 130 is avoided, and the service life of the storage battery 130 is prolonged.
Fig. 1c is a circuit diagram 103 of a power supply system 100 of an intelligent door according to an embodiment provided in the present application according to various embodiments. As shown in fig. 1c, battery 130 may be connected to ac power supply 120, and battery 130 may be charged by receiving ac power supply 120.
Fig. 2a illustrates an intelligent door 200 according to various embodiments of the present application. The smart door 200 may include a door body 210 and a power supply system 100 of the smart door. The door body 210 is a main structure of the intelligent door 201, and the power supply system 100 of the intelligent door can be installed on the door body 210. In some embodiments, the smart door 200 may further include at least one of a lockset 230 and a monitoring device 250.
As shown in fig. 2a, the smart door 200 may include a door body 210, a smart door power supply system 100, and a locker 230. The door 210 may be a security door of a building, an entrance door of an interior of a building, a room door of a home, and a door of a security cabinet, and may even be a door installed on a window. The latch 230 may be mounted on the door body 210. The lock 230 may be an intelligent door lock identified by an electronic password, fingerprint identification, iris identification, remote control identification, an inductive card, or may be a conventional mechanical lock. For convenience of explanation, the present application will be described by taking a fingerprint identification smart door lock as an example. Latch 230 may include latch power control module 231. The lockset power control module 231 can be connected to the output of the power supply system 100 for the smart door. The latch 230 is powered by the power supply system 100 of the smart door. The required dc specification for the lock power control module 231 may be 7.4V3A, or other specifications, such as 5V4A, 12V2A, etc.
Fig. 2b illustrates an intelligent door 202 provided by the present application according to various embodiments, where the intelligent door 202 can be applied to the intelligent door 200. As previously described, the smart door 202 may include the door body 210, the smart door power supply system 100, and the monitoring device 250. As shown in fig. 2b, the monitoring device 250 may be mounted on the door body 210. The monitoring device 250 may include a cat eye, and the cat eye may include a camera and a display device disposed on the door body 210, and the camera and the display device are electrically connected. The camera is used for collecting videos outside the door. The display device is used for displaying the video collected by the camera for users to watch. The monitoring device 250 may also include a monitoring device power control module 251. The monitoring device power control module 251 may be connected to an output terminal of the power supply system 100 of the smart door, and the monitoring device 250 is powered by the power supply system 100 of the smart door. The dc specification required by the supervisory device power control module 251 may be 5V2A, or other specifications, such as 5V4A, 12V2A, etc.
Fig. 2c illustrates an intelligent door 203 according to various embodiments of the present application, where the intelligent door 203 can be applied to the intelligent door 200. As previously described, the smart door 203 may include the door body 210, the power supply system 100 of the smart door, the lock 230, and the monitoring device 250.
As shown in fig. 2c, the latch 230 may be mounted on the door body 210, and the latch 230 may include a latch power control module 231. The monitoring device 250 may be mounted on the door body 210, and the monitoring device 250 may include a monitoring device power control module 251. The lock power control module 231 may be connected to an output of the power supply system 100 of the smart door, and the lock 230 is powered by the power supply system 100 of the smart door. Monitoring device power control module 251 may be in series with lock power control module 231, with monitoring device 250 being separately powered by lock 230. Namely, the power supply system 100 of the intelligent door is connected with the lock power control module 231 to supply power to the lock 230, the lock power control module 231 is connected with the monitoring device power control module 251, and the monitoring device 250 is independently supplied with power by the lock 230. Of course, the monitoring device power control module 251 may also be directly connected to the output end of the power supply system 100 of the smart door, and the lock power control module 231 is connected in series with the monitoring device power control module 251. Namely, the power supply system 100 of the intelligent door is connected with the monitoring device power control module 251 to supply power to the monitoring device 250, the monitoring device power control module 251 is connected with the lock power control module 231, and the lock 230 is independently supplied with power by the monitoring device 250. Of course, the lock power control module 231 and the monitoring device power control module 251 may be connected to the output end of the power supply system 100 of the intelligent door at the same time, that is, the lock power control module 231 and the monitoring device power control module 251 are connected in parallel, and the power supply system 100 of the intelligent door directly supplies power to the lock 230 and the monitoring device 250.
In conclusion, upon reading the present detailed disclosure, those skilled in the art will appreciate that the foregoing detailed disclosure can be presented by way of example only, and not limitation. Those skilled in the art will appreciate that the present application is intended to cover various reasonable variations, adaptations, and modifications of the embodiments described herein, although not explicitly described herein. Such alterations, improvements, and modifications are intended to be suggested by this disclosure, and are within the spirit and scope of the exemplary embodiments of this disclosure.
Furthermore, certain terminology has been used in this application to describe embodiments of the disclosure. For example, "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present disclosure. Therefore, it is emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various portions of this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined as suitable in one or more embodiments of the disclosure.
It should be appreciated that in the foregoing description of embodiments of the disclosure, various features are grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure aiding in the understanding of such features. This is not to be taken as an admission that any of the features of the claims are essential, and it is fully possible for a person skilled in the art to extract some of them as separate embodiments when reading the present application. That is, embodiments in the present application may also be understood as an integration of multiple sub-embodiments. And each sub-embodiment described herein is equally applicable to less than all features of a single foregoing disclosed embodiment.
Each patent, patent application, publication of a patent application, and other material, such as articles, books, descriptions, publications, documents, articles, and the like, cited herein is hereby incorporated by reference. All matters hithertofore set forth herein except as related to any prosecution history, may be inconsistent or conflicting with this document or any prosecution history which may have a limiting effect on the broadest scope of the claims. Now or later associated with this document. For example, if there is any inconsistency or conflict in the description, definition, and/or use of terms associated with any of the included materials with respect to the terms, descriptions, definitions, and/or uses associated with this document, the terms in this document are used.
Finally, it should be understood that the embodiments of the application disclosed herein are illustrative of the principles of the embodiments of the present application. Other modified embodiments are also within the scope of the present application. Accordingly, the disclosed embodiments are presented by way of example only, and not limitation. Those skilled in the art may implement the present application in alternative configurations according to the embodiments of the present application. Thus, embodiments of the present application are not limited to those precisely described in the application.
Claims (10)
1. A power supply system for an intelligent door, comprising:
the input end of the power adapter is configured to be connected with an alternating current power supply, the output end of the power adapter is configured to be connected with the intelligent door, and the power adapter converts alternating current provided by the alternating current power supply into direct current required by the intelligent door;
the output end of the storage battery is connected with the intelligent door and supplies power to the intelligent door;
a switch, comprising at least:
the first switch is connected with the intelligent door and the output end of the power adapter;
the second switch is connected with the intelligent door and the output end of the storage battery;
and the control end is connected with the first switch and the second switch, and is configured to control the second switch to be closed when the first switch is disconnected and control the first switch to be closed when the second switch is disconnected.
2. The power supply system of the intelligent door as claimed in claim 1, further comprising a control unit configured to control a power supply manner, wherein the control unit is connected to the control terminal of the switch.
3. The power supply system for intelligent doors according to claim 2, further comprising a temperature sensor configured to be installed on said intelligent door and detect the temperature of the environment in which said intelligent door is located and transmit the detected data to said control unit, said control unit controlling said switch according to said detected data.
4. The intelligent door power supply system according to claim 3, wherein the switch disconnects the battery from the intelligent door when the temperature sensor detects that the environment in which the intelligent door is located is not higher than a critical value.
5. The intelligent door power supply system as claimed in claim 1, wherein said battery is connected to said ac power source for receiving said ac power source to charge said battery.
6. An intelligent door, comprising:
a door body;
the power supply system for smart doors of any of claims 1 to 5.
7. The intelligent door of claim 6, further comprising:
at least one of a lock and a monitoring device, wherein,
the lock is arranged on the door body and comprises a lock power supply control module,
the monitoring equipment is installed on the door body and comprises a monitoring equipment power supply control module.
8. The intelligent door of claim 7, wherein the lockset power control module is connected to a power system of the intelligent door.
9. The intelligent door of claim 7, wherein the monitoring device power control module is connected to a power supply system of the intelligent door.
10. The intelligent door of claim 7, wherein the monitoring device power control module is in series with the lockset power control module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921952565.4U CN210898627U (en) | 2019-11-11 | 2019-11-11 | Power supply system of intelligent door and intelligent door |
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| CN201921952565.4U CN210898627U (en) | 2019-11-11 | 2019-11-11 | Power supply system of intelligent door and intelligent door |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564895A (en) * | 2019-11-11 | 2020-08-21 | 上海创米科技有限公司 | Power supply system of intelligent door and intelligent door |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111564895A (en) * | 2019-11-11 | 2020-08-21 | 上海创米科技有限公司 | Power supply system of intelligent door and intelligent door |
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