Server machine case safety lock device
Technical Field
The utility model relates to a server machine case safety lock field specifically is a server machine case safety lock device.
Background
With the rapid development of cloud computing and big data in recent years, the application of servers is more and more extensive, and especially in various data centers and computer rooms, the total number of servers exceeds millions. Important application systems are intensively deployed in a machine room server by enterprises or governments, a large number of sensitive and secret commercial secrets or even national secrets are stored in the server, and if a box cover can be easily opened by the server, programs and data can be stolen or damaged by others through modes of copying a hard disk, connecting USB (universal serial bus) and SATA (serial advanced technology attachment) interface equipment and the like, and even modules such as the hard disk, a CPU (central processing unit), a memory and the like in the server are stolen.
Many server manufacturers have carried out simple protective design to the server machine case, can detain the subsidiary metal frame of main box body when closing the case lid, and the user uses screwdriver rotatory below the case lid to open the screw on the handle this moment, and the case lid just can not be opened easily. The design is very convenient to use, but has poor safety, and the lock can be released by only using a common screwdriver, so that the anti-theft effect is basically avoided.
Some server manufacturers design an embedded mechanical lock on the box cover, and lock the box cover by using a lock head similar to a drawer lock. Only the person who owns the key can open the box cover. This kind of mechanical lock is relatively safe, but also has great drawback: in order to enable operation and maintenance personnel to efficiently overhaul or upgrade equipment, the same server equipment needs to use the same lock cylinder and key, namely, one key can open all the similar server cases; all such product enclosure covers can be easily opened if the key is lost or illegally copied by others.
The two prior arts have the following defects: 1. the design of locking the handle of the box cover through the screw cannot effectively prevent illegal personnel from opening the box cover, and the safety is poor; 2. the embedded mechanical lock box cover protection design needs to install a set of identical lock cylinders and matched keys on all similar servers, namely, one key can unlock all servers, and once a product is sold, the key and the lock are required to be replaced almost impossible, which brings great potential safety hazards to the key management.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a server machine case safety lock device to solve the problem that proposes in the above-mentioned background art: 1. the server case cover needs to prevent unauthorized persons from opening the case cover; 2. the key of the box cover can be prevented from being lost, or the lost key cannot cause wide safety risk; 3. the key and the lock cylinder can be replaced conveniently, or unlocking factors can be changed conveniently, and meanwhile safety is guaranteed.
In order to achieve the above object, the utility model provides a following technical scheme:
the safety lock device for the server case comprises a main case body, an electronic lock, a relay, a single chip microcomputer, a password keyboard and a case cover protrusion, wherein the electronic lock is fixed on the main case body of the server, and the case cover protrusion is fixed on a case cover on the main case body and matched with a lock tongue of the electronic lock.
As a further aspect of the present invention: and the power line of the electronic lock is electrically connected with the output end of the relay.
As a further aspect of the present invention: the control end of the relay is electrically connected with the signal output end of the single chip microcomputer through a wire, and the power input end of the relay is electrically connected with a direct-current power supply of the server.
As a further aspect of the present invention: the single chip microcomputer is also electrically connected with a direct current power supply of the server.
As a further aspect of the present invention: the single chip microcomputer is electrically connected with the password keyboard.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the password is used for replacing a traditional key, the singlechip program is used for replacing a traditional lock cylinder, the user authorization is more convenient, the authorization for a plurality of users is quicker, and particularly, the distribution of different keys (namely passwords) for different users becomes possible;
2. when one key is lost, namely one unlocking password is forgotten or leaked, an administrator or a manufacturer can reset a brand new unlocking password for the server, the original unlocking password is invalid, and the password leakage cannot cause larger security risk;
3. the traditional lock core key hole needs to be exposed outside the machine box, so that the lock is easily violently picked by illegal personnel; core mechanisms such as an electronic lock and the like used in the scheme are hidden and installed inside the case, and even an experienced unlocking person cannot unlock the case smoothly by violence;
4. the server machine case safety lock device realized by the scheme can distribute temporary unlocking passwords for temporary personnel, and a manager only needs to delete the temporary passwords.
Drawings
Fig. 1 is a schematic structural diagram of a server enclosure security lock device.
Fig. 2 is a schematic diagram of an internal structure of a main box in the server chassis security lock apparatus.
Fig. 3 is a schematic diagram of an operating principle of a server enclosure security lock device.
Fig. 4 is a schematic diagram of a working flow of the security lock device of the server chassis.
In the figure: 1-main box body, 2-box cover, 3-box cover protrusion, 4-electronic lock, 5-cipher keyboard, 6-relay and 7-single chip microcomputer.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 and 2, in an embodiment of the present invention, a server chassis safety lock device includes a main box 1, an electronic lock 4, a relay 6, a single chip microcomputer 7, a code keypad 5, and a box cover protrusion 3, wherein the electronic lock 4 is fixed on the main box 1 of the server, the box cover protrusion 3 is fixed on the box cover 2 on the main box 1 and cooperates with a latch of the electronic lock 4, so that when the box cover 2 is closed, the box cover protrusion 3 can be just locked by the latch to prevent the box cover 2 from being pulled open, a power line of the electronic lock 4 is electrically connected to an output end of the relay 6, so that when a control end of the relay 6 is energized, the output end can transmit power to the electronic lock 4 and retract the latch to open the box cover 2, the control end of the relay 6 is electrically connected to a signal output end of the single chip microcomputer 7 through a wire, and a power input end of, make singlechip 7 can control whether relay 6 inputs the electric current in order to flexible spring bolt to electronic lock 4, singlechip 7 also electric connection has the DC power supply of server for can normally work after singlechip 7 supplies power, singlechip 7 and 5 electric connection of code keypad for when the user presses the button on the code keypad 5, singlechip 7 can receive button information and judge as password input.
A box cover protrusion 3 fixed on a box cover 2 of the server case is limited by a bolt of an electronic lock 4 and cannot be opened arbitrarily; only if a legal user inputs a correct preset password through the password keyboard 5, the password is authenticated by the singlechip 7, a high level signal is sent to the relay 6, high voltage is transmitted to the electronic lock 4, and the box cover 2 can be smoothly opened after the bolt is contracted; the manufacturer or the user can preset the unlocking password and modify the unlocking password; manufacturers can set two or more different unlocking passwords; manufacturers can divide the password into two levels, namely an administrator password and a user password; after the correct administrator password is input, the administrator mode is activated, so that not only the box cover 2 can be directly unlocked, but also the user unlocking password can be reset, or a new user unlocking password is added.
Referring to fig. 3 and 4, the working principle of the present invention is: 1) the user inputs a password on the password keyboard 5; 2) the cipher electric signal is transmitted to the singlechip 7; 3) the singlechip 7 judges whether the password is correct or not, and if the password is correct, a specified pin high level is triggered; 4) the high level of the designated pin is transmitted to the relay 6; 5) the control end of the relay 6 receives high level, and the relay 6 is closed; the output end is communicated with high voltage; 6) the high voltage current is transmitted to the electronic lock 4; 7) the electronic lock 4 is driven by high voltage current, and the internal electromagnetic module is started; 8) the electromagnetic module moves to retract the lock tongue into the interior; 9) the moving direction of the cover protrusion 3 is not obstructed any more, and the cover 2 can be pulled and opened freely.
The utility model can run the reserved program after the singlechip 7 is powered on, and waits for the user to press the password keyboard 5 to input password information; if the singlechip 7 judges that the input password is correct, a high level signal is output to the relay 6; the relay 6 is immediately closed and outputs high voltage after receiving the high level; after the high voltage is transmitted to the electronic lock 4 through the wire, the bolt can be contracted, so that the case cover protrusion 3 is not restrained by the bolt. At this time, the user can unlock and easily open the box cover 2.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.