CN112227841A - Control device for multi-cabinet-room key cabinet - Google Patents
Control device for multi-cabinet-room key cabinet Download PDFInfo
- Publication number
- CN112227841A CN112227841A CN202010908369.8A CN202010908369A CN112227841A CN 112227841 A CN112227841 A CN 112227841A CN 202010908369 A CN202010908369 A CN 202010908369A CN 112227841 A CN112227841 A CN 112227841A
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- China
- Prior art keywords
- resistor
- pin
- diode
- capacitor
- direct current
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/52—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B81/00—Cabinets or racks specially adapted for other particular purposes, e.g. for storing guns or skis
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2220/00—General furniture construction, e.g. fittings
- A47B2220/0091—Electronic or electric devices
Abstract
The invention discloses a control device for a multi-cabinet-room key cabinet, which comprises a central controller, a direct-current power supply circuit connected with a VCC (voltage source converter) pin of the central controller, a plurality of electromagnetic lock driving circuits connected with a serial port P2 of the central controller and connected with electromagnetic locks in a one-to-one correspondence manner, an SCL (clock master) pin connected with a serial port P1.4 of a central controller U1, and an IC (integrated circuit) card seat connected with a SDA pin connected with a serial port P1.5 of a central controller U1, and further comprises a diode D2, a triode Q1, a resistor R2, a resistor R3, a triode Q2, a resistor R4, a resistor R5 and a resistor R6. The IC card seat connected with the central controller is arranged, the IC card seat can read temporary or permanent authority of the authority card to open the cabinet room, and the transformer substation key cabinet in the region with concentrated equipment rooms and rooms is opened, so that keys can be borrowed nearby, and the borrowing and returning are more convenient and faster. The key management system has the advantages of simple structure, simplicity and convenience in operation and the like, and has high practical value and popularization value in the technical field of key management.
Description
Technical Field
The invention relates to a control device for a multi-cabinet key cabinet.
Background
As is known, a key cabinet is a common tool cabinet, and particularly for occasions with a large number of keys to be managed, for example, a transformer substation key can be divided into a working key, a borrowed key and a spare key, wherein the working key is mainly used for routine inspection by operation managers, and the borrowed key is mainly used by maintenance personnel and operating personnel; spare keys are mainly used in emergency situations. The traditional working key and the borrowing key are mainly placed in a central control room of a transformer substation, and the use and the borrowing of the traditional working key and the borrowing key need to be registered (qualification or electronic borrowing system). Both the spare key borrowing and the return are required to be carried out in a central control room of the transformer substation. Thus, it is often the case that a borrower borrows multiple keys, one or more of which cannot be found by another borrower; or the borrower can not return in time by the key in the distance from the central control room, and the like.
Disclosure of Invention
In view of the above problems, the present invention provides a control device for a multi-compartment key cabinet, which adopts the following technical solutions:
a control device for a multi-cabinet key cabinet is provided with a plurality of cabinets, each cabinet is provided with an electromagnetic lock, a display screen is embedded on the key cabinet, the control device comprises a central controller, a direct current power supply circuit, an IC card seat and a plurality of electromagnetic lock driving circuits, the central controller is connected with the display screen through an RS485 communication line, and the direct current power supply circuit outputs 5V voltage;
the VCC pin of the central processing unit is connected with the direct current power supply circuit;
the serial port P2 of the central processing unit is correspondingly connected with the electromagnetic drive circuits one by one;
the SCL pin of the IC card seat is connected with the serial port P1.4 of the central processing unit, and the SDA pin of the IC card seat is connected with the serial port P1.5 of the central processing unit; the VCC pin of the IC card seat is connected with the input anode of a diode D2, and the input cathode of a diode D2 is connected with a serial port P1.3 of the central processing unit; the VCC pin of the IC card holder is also connected with the collector of a triode Q1, and the base of the triode Q1 is connected with the serial port P1.0 of the central processing unit through a diode D1 and a resistor R1 which are connected in series; a resistor R2 is connected between a VCC pin and a GND pin of the IC card holder; the GND pin of the IC card seat is also connected with a resistor R3, and the other end of the resistor R3 is connected with the output cathode of a diode D2;
the serial port P1.6 of the central processing unit is connected with a collector of a triode Q2, and an emitter of the triode Q2 is grounded; a resistor R4 is connected between the base of the triode Q2 and the direct current power supply circuit;
a resistor R5 is also connected between the SCL pin of the IC card seat and the direct current power supply circuit;
and a resistor R6 is connected between the SDA pin of the IC card seat and the DC power supply.
Preferably, each of the electromagnetic lock driving circuits comprises a diode D3 connected across the electromagnetic lock, a triode Q3 with a collector connected with an output anode of the diode D3, an emitter of the triode Q3 is grounded, a base of the triode Q3 is connected with a resistor R7, and a resistor R8 is connected between the base and the emitter of the triode Q3.
Preferably, the dc power supply circuit includes a fuse, a dc conversion chip, a diode D11, a diode D12, a diode D13, a capacitor C11, and a capacitor C12;
one end of the fuse is connected with an alternating current mains supply, and the other end of the fuse is connected with an input anode of a diode D13;
after the diode D11 and the diode D12 are connected in series, one end of the diode D11 is connected with the output cathode of the diode D13, and the other end of the diode D12 is grounded;
after the capacitor C11 and the capacitor C12 are connected in parallel, one end of the capacitor C11 is connected with the output cathode of the diode D13, and the other end of the capacitor C12 is grounded;
the IN pin of the direct current conversion chip is connected with the output cathode of the diode D13;
a resistor R11 is connected between an IN pin and an EN pin of the direct current conversion chip;
the SS pin of the direct current conversion chip is connected with a capacitor C13, and the other end of the capacitor C13 is grounded;
a COMP pin of the direct current conversion chip is connected with a capacitor C14 and a resistor R12 which are connected in series, and the other ends of the capacitor C14 and the resistor R12 which are connected in series are grounded;
a capacitor C15 is connected between a BS pin and an SW pin of the direct current conversion chip;
an inductor L1 and a resistor R14 are connected between the SW pin and the FB pin of the direct current conversion chip;
the FB pin of the direct current conversion chip is connected with a resistor R13, and the other end of the resistor R13 is grounded;
a capacitor C16 and a capacitor C17 which are connected in parallel are further connected between the inductor L1 and the resistor R14, and the other ends of the capacitor C16 and the capacitor C17 which are connected in parallel are grounded;
the VCC pin of the central controller is connected between the inductor L1 and the resistor R14.
Compared with the prior art, the invention has the advantages that: the IC card seat connected with the central controller is arranged, and can read temporary or permanent authority of the authority card to open the cabinet room and open the key cabinet in the equipment room and the area with centralized rooms, so that the key can be borrowed nearby, and the key can be borrowed and returned more conveniently. The key management system has the advantages of simple structure, simplicity and convenience in operation and the like, and has high practical value and popularization value in the technical field of key management.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Fig. 2 is a schematic diagram of the dc power supply circuit of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 and 2, an embodiment of a control device for a multi-compartment key cabinet according to the present invention provides a control device for a multi-compartment key cabinet, which is used for controlling a key cabinet, wherein the key cabinet is provided with a plurality of compartments, any compartment is provided with an electromagnetic lock, and a display screen is embedded in the key cabinet. A corresponding key is placed in the cabinet. It should be noted that the present embodiment is based on structural improvement, and the used procedure is a conventional fragment combination, which is not described herein again.
Specifically, the control device of this embodiment includes a central controller U1 of type STC12LE5a08S2 connected to the display screen by using an RS485 communication line, a dc power supply circuit connected to the VCC pin of the central controller U1, a plurality of electromagnetic lock driving circuits connected to the serial port P2 of the central controller U1 and connected to the electromagnetic locks in one-to-one correspondence, a diode D2 having an SCL pin connected to the serial port P1.4 of the central controller U1, an SDA pin connected to the serial port P1.5 of the central controller U1, a triode Q1 having an input anode connected to the VCC pin of the IC card holder, an input cathode connected to the serial port P1.3 of the central controller U1, a base connected to the serial port P1.0 of the central controller U1 via a diode D1 and a resistor R1 connected in series, a collector connected to the VCC pin of the IC card holder, a resistor R1 connected between the pin of the IC card holder and the VCC pin, and a GND 2, and a resistor R2 connected to the cathode of the diode D2, A resistor R3 with the other end connected with a GND pin of the IC card seat, a triode Q2 with a collector connected with a serial port P1.6 of the central controller U1 and an emitter grounded, a resistor R4 connected between the DC power supply circuit and the base of the triode Q2, a resistor R5 connected between the DC power supply circuit and an SCL pin of the IC card seat, and a resistor R6 connected between the DC power supply circuit and an SDA pin of the IC card seat. In this embodiment, the authority card is used to obtain the authority to borrow the key, and the IC card socket transmits the collected authority information to the central controller U1, and issues a high level to the corresponding electromagnetic lock driving circuit, and opens the electromagnetic lock. For example: the permission application temporarily borrows the key in the room A, borrowing permission information is recorded in a permission card, and the permission card is close to an IC card seat and can acquire corresponding information so as to drive to open a cabinet chamber for storing the key in the room A; in this embodiment, the information of the cardholder is entered into any one of the authorization cards (prior art), which facilitates display of the borrowing information on the display screen. In the present embodiment, the driving circuit of the electromagnetic lock has the same structure, and only one of the driving circuits is taken as an example, and includes a diode D3 connected across the electromagnetic lock, a transistor Q3 with a collector connected to the input anode of the diode D3 and an emitter grounded, a resistor R7 connected to the base of the transistor Q3, and a resistor R8 connected between the base and the emitter of the transistor Q3.
IN this embodiment, to obtain dc 5V, a dc power supply circuit is provided, which includes a fuse F11 having one end connected to the ac mains, a diode D13 having an input anode connected to the other end of the fuse F11, a diode D11 and a diode D12 having one end connected to the input anode of the diode D13 and the other end grounded after being connected IN series, a capacitor C11 and a capacitor C12 having one end connected to the output cathode of the diode D13 and the other end grounded after being connected IN parallel, a dc conversion chip U3 having an IN pin connected to the output cathode of the diode D13 and a model MP2303A, a resistor R11 connected between the IN pin and the EN pin of the dc conversion chip U3, a capacitor C13 having one end connected to the SS pin of the dc conversion chip U3 and the other end grounded, a capacitor C14 and a resistor R12 having one end connected to the COMP pin of the dc conversion chip U3 and the other end grounded after being connected IN series, and a capacitor C15 connected between the BS pin of the dc conversion chip U3 and the SW 15, the inductor L1 and the resistor R14 are connected between the SW pin and the FB pin of the DC conversion chip U3 after being connected, the resistor R13 is connected with the FB pin of the DC conversion chip U3 at one end and grounded at the other end, and the capacitor C16 and the capacitor C17 are connected between the inductor L1 and the resistor R14 after being connected in parallel at one end and grounded at the other end.
The IC card seat connected with the central controller is arranged, and can read temporary or permanent authority of the authority card to open the cabinet room and open the key cabinet in the equipment room and the area with centralized rooms, so that the key can be borrowed nearby, and the key can be borrowed and returned more conveniently. The key management system has the advantages of simple structure, simplicity and convenience in operation and the like, and has high practical value and popularization value in the technical field of key management.
The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.
Claims (3)
1. The utility model provides a controlling means for having more cabinets room key cabinet, key cabinet are provided with a plurality of cabinets rooms, and every cabinet room all is provided with the electromagnetic lock, it has display screen, its characterized in that to inlay on the key cabinet: the control device comprises a central controller, a direct current power supply circuit, an IC card seat and a plurality of electromagnetic lock driving circuits, wherein the central controller is connected with the display screen by adopting an RS485 communication line, and the direct current power supply circuit outputs 5V voltage;
the VCC pin of the central processing unit is connected with the direct current power supply circuit;
the serial port P2 of the central processing unit is correspondingly connected with the electromagnetic drive circuits one by one;
the SCL pin of the IC card seat is connected with the serial port P1.4 of the central processing unit, and the SDA pin of the IC card seat is connected with the serial port P1.5 of the central processing unit; the VCC pin of the IC card seat is connected with the input anode of a diode D2, and the input cathode of a diode D2 is connected with a serial port P1.3 of the central processing unit; the VCC pin of the IC card holder is also connected with the collector of a triode Q1, and the base of the triode Q1 is connected with the serial port P1.0 of the central processing unit through a diode D1 and a resistor R1 which are connected in series; a resistor R2 is connected between a VCC pin and a GND pin of the IC card holder; the GND pin of the IC card seat is also connected with a resistor R3, and the other end of the resistor R3 is connected with the output cathode of a diode D2;
the serial port P1.6 of the central processing unit is connected with a collector of a triode Q2, and an emitter of the triode Q2 is grounded; a resistor R4 is connected between the base of the triode Q2 and the direct current power supply circuit;
a resistor R5 is also connected between the SCL pin of the IC card seat and the direct current power supply circuit;
and a resistor R6 is connected between the SDA pin of the IC card seat and the DC power supply.
2. A control device for a multiple compartment key cabinet as claimed in claim 1, wherein: each electromagnetic lock driving circuit comprises a diode D3 connected across the electromagnetic lock, a triode Q3 with a collector connected with the output anode of the diode D3, the emitter of the triode Q3 is grounded, the base of the triode Q3 is connected with a resistor R7, and a resistor R8 is connected between the base and the emitter of the triode Q3.
3. A control device for a multi-compartment key cabinet as claimed in claim 1 or 2, wherein: the direct current power supply circuit comprises a fuse, a direct current conversion chip, a diode D11, a diode D12, a diode D13, a capacitor C11 and a capacitor C12;
one end of the fuse is connected with an alternating current mains supply, and the other end of the fuse is connected with an input anode of a diode D13;
after the diode D11 and the diode D12 are connected in series, one end of the diode D11 is connected with the output cathode of the diode D13, and the other end of the diode D12 is grounded;
after the capacitor C11 and the capacitor C12 are connected in parallel, one end of the capacitor C11 is connected with the output cathode of the diode D13, and the other end of the capacitor C12 is grounded;
the IN pin of the direct current conversion chip is connected with the output cathode of the diode D13;
a resistor R11 is connected between an IN pin and an EN pin of the direct current conversion chip;
the SS pin of the direct current conversion chip is connected with a capacitor C13, and the other end of the capacitor C13 is grounded;
a COMP pin of the direct current conversion chip is connected with a capacitor C14 and a resistor R12 which are connected in series, and the other ends of the capacitor C14 and the resistor R12 which are connected in series are grounded;
a capacitor C15 is connected between a BS pin and an SW pin of the direct current conversion chip;
an inductor L1 and a resistor R14 are connected between the SW pin and the FB pin of the direct current conversion chip;
the FB pin of the direct current conversion chip is connected with a resistor R13, and the other end of the resistor R13 is grounded;
a capacitor C16 and a capacitor C17 which are connected in parallel are further connected between the inductor L1 and the resistor R14, and the other ends of the capacitor C16 and the capacitor C17 which are connected in parallel are grounded;
the VCC pin of the central controller is connected between the inductor L1 and the resistor R14.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010908369.8A CN112227841A (en) | 2020-09-02 | 2020-09-02 | Control device for multi-cabinet-room key cabinet |
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CN202010908369.8A CN112227841A (en) | 2020-09-02 | 2020-09-02 | Control device for multi-cabinet-room key cabinet |
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CN112227841A true CN112227841A (en) | 2021-01-15 |
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CN202010908369.8A Pending CN112227841A (en) | 2020-09-02 | 2020-09-02 | Control device for multi-cabinet-room key cabinet |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0778384B1 (en) * | 1995-12-06 | 2003-11-19 | Seiko Instruments Inc. | Electronic key |
CN202067330U (en) * | 2011-05-27 | 2011-12-07 | 深圳市宝航建设工程有限公司 | Intelligent access control system |
CN205078026U (en) * | 2015-08-24 | 2016-03-09 | 国网山东五莲县供电公司 | Regulator cubicle net electromagnetic lock for gate interlock |
CN106326717A (en) * | 2016-08-25 | 2017-01-11 | 浙江帝杰曼信息科技股份有限公司 | Equipment instrumented identity controller |
CN209088941U (en) * | 2018-12-13 | 2019-07-09 | 浙江中新电力工程建设有限公司自动化分公司 | A kind of intelligence padlock NB-iot data transmission circuit plate |
CN209963968U (en) * | 2019-07-18 | 2020-01-17 | 广州海洋地质调查局 | Power supply control circuit for underwater equipment |
-
2020
- 2020-09-02 CN CN202010908369.8A patent/CN112227841A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0778384B1 (en) * | 1995-12-06 | 2003-11-19 | Seiko Instruments Inc. | Electronic key |
CN202067330U (en) * | 2011-05-27 | 2011-12-07 | 深圳市宝航建设工程有限公司 | Intelligent access control system |
CN205078026U (en) * | 2015-08-24 | 2016-03-09 | 国网山东五莲县供电公司 | Regulator cubicle net electromagnetic lock for gate interlock |
CN106326717A (en) * | 2016-08-25 | 2017-01-11 | 浙江帝杰曼信息科技股份有限公司 | Equipment instrumented identity controller |
CN209088941U (en) * | 2018-12-13 | 2019-07-09 | 浙江中新电力工程建设有限公司自动化分公司 | A kind of intelligence padlock NB-iot data transmission circuit plate |
CN209963968U (en) * | 2019-07-18 | 2020-01-17 | 广州海洋地质调查局 | Power supply control circuit for underwater equipment |
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Effective date of registration: 20210806 Address after: 325100 shangqiaotou village power building, Nancheng street, Yongjia County, Wenzhou City, Zhejiang Province Applicant after: Yongjia County power supply company of State Grid Zhejiang Electric Power Co.,Ltd. Address before: 325100 shangqiaotou village power building, Nancheng street, Yongjia County, Wenzhou City, Zhejiang Province Applicant before: STATE GRID ZHEJIANG YONGJIA POWER SUPPLY Co.,Ltd. |
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