CN109101848B - Security system for desktop computers - Google Patents
Security system for desktop computers Download PDFInfo
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- CN109101848B CN109101848B CN201810911436.4A CN201810911436A CN109101848B CN 109101848 B CN109101848 B CN 109101848B CN 201810911436 A CN201810911436 A CN 201810911436A CN 109101848 B CN109101848 B CN 109101848B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/88—Detecting or preventing theft or loss
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
- G06F1/184—Mounting of motherboards
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
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Abstract
The invention relates to the field of anti-theft of desktop computers, and particularly discloses a security system for a desktop computer, which comprises a case, a standby power supply, a main board vertically installed in the case, a display card installed on the main board and a clip for fixing the display card; further comprising: a detection component and a control component; the control assembly comprises a signal receiving module, a control module and a buzzer; the signal receiving module is used for receiving the information of the signal sending module, the signal receiving module sends the received information to the control module, and the control module controls the buzzer to give an alarm; the technical scheme of the invention can realize the anti-theft alarm of the display card in the computer case.
Description
Technical Field
The invention relates to the field of desktop computer anti-theft, in particular to a security system for a desktop computer.
Background
The computer case is usually a cuboid and comprises a front panel, a rear panel, a left panel, a right panel, an upper panel and a lower panel, wherein a power switch key and a front USB interface are arranged on the front panel; power supply interfaces, video interfaces, network interfaces, etc. are typically on the rear side panel; after the left panel is opened, the components such as the memory, the display card, the mainboard and the like which are arranged in the case can be disassembled.
In daily life, in public places where computers are concentrated, such as internet bars, schools or enterprise computer rooms, and the like, because most computers do not adopt anti-theft measures, devices inside the computers are often stolen.
Aiming at the safety problem of computers in public places, the most common anti-theft scheme at present is to add a mechanical anti-theft device to a computer case. However, the mechanical anti-theft device cannot be monitored in real time in general, and has a time delay property in response to an event, resulting in low safety.
In order to solve the above problems, chinese patent publication No. CN104616411A discloses a computer hardware anti-theft system, which includes computer hardware, the computer hardware mainly includes an internal memory and a CPU heat sink, the anti-theft system is further provided with a hardware position deflection detection device connected to a power supply, the hardware position deflection detection device is mechanically connected to the CPU heat sink and is also electrically connected to an electric wire mechanically connected to the internal memory; in addition, the output end of the hardware position deflection detection device is connected with the input end of a signal transmitter; the anti-theft system also comprises an anti-theft host which mainly comprises a signal receiver and an alarm; the anti-theft host machine is in signal transmission with the signal transmitter through the signal receiver.
When a thief steals the CPU or the CPU radiator, the CPU radiator deflects, the deflection detection device triggers, and the trigger signal transmitter sends a signal to the anti-theft host. When the anti-theft host receives the signal, the alarm sends an alarm to remind a manager to check the computer hardware corresponding to the signal transmitter sending the signal, so that the computer hardware is prevented from being stolen in time.
The scheme can prevent the CPU from being stolen, but if a thief steals the display card, the device cannot be used. Because the computer display card is directly inserted into the display card slot of the mainboard, one end of the computer display card is fixed by the clamp, the display card can be easily taken down by pulling the clamp by hand, and in addition, the price of the display card is high, the stolen goods can be sold to obtain larger economic benefit, and the thief is willing to go to a danger.
Therefore, how to realize the anti-theft alarm of the display card in the computer case is a problem to be solved.
Disclosure of Invention
The invention aims to provide a security system for a desktop computer, which realizes the anti-theft alarm of a display card in a computer case.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a security system for a desktop computer, comprising: the device comprises a case, a standby power supply, a mainboard vertically arranged in the case, a display card arranged on the mainboard and a clip for fixing the display card; further comprising: a detection component and a control component;
the detection assembly comprises:
the fin plate is arranged between the main board and the right panel of the case, the back surface of the fin plate is a smooth plane, the back surface of the fin is tightly attached to the back surface of the main board, a plurality of radiating fins are arranged on the front surface of the fin plate at intervals from top to bottom, the radiating fins are inclined downwards, the lengths of the radiating fins are gradually increased from top to bottom, and the radiating fins are electrically connected with the negative electrode of the standby power supply;
the storage bin comprises a bin, a bin door and a control buckle, the bin is fixedly arranged above the fin plate, a blanking port is formed in one side, opposite to the radiating fins, of the bin, the bin door is covered on the blanking port, one side of the bin door is hinged to the outer wall of the bin, the other side of the bin door is detachably connected with the control buckle, and one side of the control buckle is pressed to enable the bin door to be separated from the control buckle;
a metal block disposed within the bin;
a coil disposed within the chamber and on each of the heat dissipating fins, respectively;
the signal sending module is installed in the case and used for sending signals to the control assembly, and the input end of the signal sending module is electrically connected with the anode of the standby power supply;
the contact piece is connected with the right panel in a sliding mode and comprises an inner end and an outer end, the contact piece is opposite to the heat dissipation fins at the lowest part of the fin plate, the distance from the inner end of the contact piece to the outer end of the heat dissipation fins at the lowest part is smaller than the length of the metal block, and the contact piece is electrically connected with the output end of the signal sending module;
the first switch comprises a first button, a first button seat and a first interface, the first button is slidably connected with the first button seat, the first button seat is hollow, the sliding connection position of the first button and the first button seat is sealed, the first interface is communicated with the inside and the outside of the first button seat, the first button seat is fixedly arranged at one end of the display card, and the first button is abutted to the clip;
the second switch comprises a second button, a second button seat and a second interface, the second switch has the same structure as the first switch, the second button seat is fixedly arranged on the fin plate below the control buckle, and the second button is abutted against one side of the control buckle;
one end of the hydraulic pipe is fixedly connected with the first connector, and the other end of the hydraulic pipe is fixedly connected with the second connector;
the cross bar is connected with the right panel in a sliding manner and comprises an outer end and an inner end, and the inner end of the cross bar is abutted to the control buckle;
the vertical rod is vertically arranged, one end of the vertical rod is rotatably connected with the outer end of the cross rod, the other end of the vertical rod is rotatably connected with the outer end of the contact piece, and the middle part of the vertical rod is rotatably connected with the right panel of the case;
the control assembly comprises a signal receiving module, a control switch and a buzzer; the control switch is fixedly arranged on one side, opposite to the cross rod, of the control buckle, the control switch is electrically connected with the coil respectively, and the control switch is used for controlling the coil to be sequentially electrified from bottom to top after being pressed for a period of time; the signal receiving module is used for receiving the information of the signal sending module, the signal receiving module sends the received information to the control module, and the control module controls the buzzer to send out an alarm sound;
wherein, all fill with fluid in first button seat, second button seat and the hydraulic pressure pipe.
Basic scheme principle and beneficial effect:
1. when someone tries to take down the display card, the buzzer is triggered to give an alarm, and a manager can immediately check the situation after hearing the alarm sound, so that thieves are prevented from stealing the display card in time, and the anti-theft of the display card is realized.
2. The mainboard of the computer can generate heat after long-term operation, but no heat dissipation measure is generally adopted, after the fin plate is installed, the heat of the mainboard is transferred to the heat dissipation fins of the fin plate, the contact area of the heat dissipation fins and air is large, and the heat dissipation fins can fully exchange heat with the air, so that the heat dissipation is fast, and the heat dissipation of the mainboard is facilitated;
3. the radiating fins have negative charges, and dust floating in the case has charges and can be adsorbed on the radiating fins, so that the dust in the case is collected, the excessive dust is prevented from being attached to each element of the mainboard, and faults such as poor contact and the like of some element on the mainboard are avoided.
4. The length of the radiating fins is gradually increased, and the metal block firstly contacts with the uppermost radiating fin in the process of falling downwards and then rolls down along the radiating fins to cause the radiating fins to vibrate, so that dust adsorbed on the radiating fins can be shaken off.
5. The cross rod is pushed inwards, the control card is pressed by the cross rod to open the bin door, the metal block falls down, the radiating fins vibrate, and the purpose of active dust removal is achieved; when the horizontal pole is pressed the control buckle, press control switch, control switch is after a period of time's time delay, and supreme circular telegram in proper order is followed to the control coil, and the coil produces magnetic force in proper order, inhales the metal block back in the storage storehouse, realizes the automatic re-setting of metal block.
The control assembly further comprises a display module and a storage module, the storage module stores position information of the desktop computers provided with the signal sending modules in advance, and after the control module receives the signals sent by the signal sending modules, the control module calls the position information of the desktop computers provided with the signal sending modules in the storage module and sends the position information of the desktop computers to the display module.
In places such as internet bars, computer rooms, the desktop computer equipment is many, and personnel are many, and the space is also big, and managers has heard alarm sound, still is difficult to find the computer position of sending the stealing in the very first time, and when managers seeks to send the computer position of stealing, the thief can flee from fast. After the display module displays the position of the computer from which the alarm information comes, the manager can go to the computer at the first time to prevent theft and avoid the thief from escaping after getting the hand.
Further, each signal sending module sends alarm signals with unique codes.
The position of the computer used for sending the alarm information is judged by the control module.
And the monitoring assembly comprises a plurality of monitoring cameras, and after the control module receives the alarm information, the control module controls the monitoring cameras to rotate and aim at the area of the computer sending the alarm signal.
The camera aims at the area where the computer sending the alarm signal is located so as to shoot the crime process of the thief.
Further, the monitoring camera sends monitoring information to the display module.
The alarm information is convenient for the manager to confirm whether the alarm information is false alarm or stolen at the first time.
Further, control switch and signal transmission module electricity are connected, control switch receives the back of pressing, sends the enabling signal to signal transmission module, and control module controls bee calling organ and sends the discernment sound that is different from the alarm sound after receiving enabling signal.
The manager can judge whether normal cleaning operation is performed or whether someone deliberately presses the cross rod to enable the buzzer not to give an alarm after hearing the identification sound, and the manager can conveniently process the operation in time.
Drawings
FIG. 1 is a front cross-sectional view of a first embodiment of a security system for a desktop computer;
FIG. 2 is a cross-sectional view of section A of FIG. 1;
FIG. 3 is a front view of a video card according to an embodiment.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include:
the device comprises a case 1, a main board 2, a fin plate 3, a heat dissipation fin 4, a chamber 5, a coil 6, a chamber door 7, a control buckle 8, a metal block 9, a contact piece 10, a display card 11, a clip 12, a first button 13, a first button seat 14, a first interface 15, a second switch 16, a buffer table 17, a silica gel pad 18, a metal hose 19, a second button 20, a second button seat 21, a second interface 22, a cross bar 23 and a right panel 24.
Example one
The safety system for the desktop computer comprises a case 1, a standby power supply, a fin plate 3, a storage bin, a buzzer, a contact piece 10, a first switch, a second switch 16, a metal hose 19, a cross rod 23, a coil 6, a vertical rod control module, a control switch and a buffer table 17.
The case 1 comprises a mainboard 2, a right panel 24 and a display card 11, the mainboard 2 is vertically installed in the case 1, the mainboard 2 comprises a display card 11 slot, a clip 12 is arranged on the display card 11 slot, the right panel 24 is positioned on the right side of the case 1, the display card 11 is inserted into the display card 11 slot of the mainboard 2, and the clip 12 on the display card 11 slot fixes the display card 11;
as shown in fig. 1, the fin plate 3 is installed between the main plate 2 and the right panel 24, the back surface of the fin plate 3 is a smooth plane, the silicone pad 18 is padded between the back surface of the main plate 2 and the back surface of the fin plate 3, and the main plate 2, the silicone pad 18 and the fin plate 3 are fixed by bolts.
The front surface of the fin plate 3 is provided with a plurality of radiating fins 4 at intervals from top to bottom, the radiating fins 4 are inclined downwards, the length of the radiating fins 4 is gradually increased from top to bottom, and the radiating fins 4 are electrically connected with the negative electrode of the standby power supply; the radiating fins 4 are elastic sheets, and the distance between the outer ends of the radiating fins 4 and the right panel 24 is smaller than the diameter of the metal block 9.
As shown in fig. 2, the storage bin comprises a bin 5, a blanking port, a bin door 7, a control buckle 8 and a metal block 9, wherein the bin 5 is fixed above the fin plate 3 by bolts, the blanking port is arranged below the bin 5, the bin door 7 covers the blanking port, and the right side of the bin door 7 is hinged with the outer wall of the bin 5; control buckle 8 is installed in 7 left sides in door, and control buckle 8 middle part is rotated with quick-witted case 1 and is connected, and there is the dogtooth lower extreme of control buckle 8 towards right side, and the dogtooth blocks 7 left sides in the door.
The metal block 9 is placed in the bin 5;
the signal sending module is arranged in the case 1, and the input end of the signal sending module is electrically connected with the anode of the standby power supply;
the contact piece 10 is connected with the right panel 24 in a sliding mode, the contact piece 10 comprises an inner end and an outer end, the contact piece 10 is over against the heat dissipation fins 4 at the lowest part of the fin plate 3, the distance from the inner end of the contact piece 10 to the outer end of the heat dissipation fins at the lowest part is smaller than the diameter of the metal block 9, and the contact piece 10 is electrically connected with the output end of the signal sending module;
the signal sending module is an ASK (amplitude Shift keying) emitting module which is long in signal transmission distance and strong in anti-jamming capability.
As shown in fig. 3, the first switch includes a first button 13, a first button seat 14, a first interface 15 and a fixing rod, the first button 13 is slidably connected to the first button seat 14, the first button seat 14 is hollow inside, the first interface 15 communicates with the inside and the outside of the first button seat 14, the first button seat 14 is fixedly arranged at one end of the graphics card 11, the first button 13 abuts against a clip 12 of the graphics card 11, the first button seat 14 is welded to one end of the fixing rod, the other end of the fixing rod is connected to the main board 2 through a screw, and the screw penetrates through the back of the main board 2.
The second switch 16 comprises a second button 20, a second button seat 21 and a second interface 22, the second switch 16 has the same structure as the first switch, the second button seat 21 is adhered to the fin plate 3 below the control buckle 8, the second button 20 of the second switch 16 abuts against the downward side of the left end of the control buckle 8, and when the left end of the control buckle 8 is pressed by the second button 20, the bin door 7 can be separated from the right end of the control buckle 8;
the coil 6 is respectively arranged on the bin 5 and each radiating fin 4;
the control switch comprises a switch button, a singlechip and a driver, one end of the switch is electrically connected with the standby power supply, the other end of the switch is electrically connected with the input end of the singlechip, the output end of the singlechip is electrically connected with the input end of the driver, and the output end of the driver is electrically connected with the coil 6; the singlechip is an AT89C51 singlechip; the driver is an L298 chip; the button switch is an SHWB micro button switch.
The cross bar 23 is connected with the right panel in a sliding way, the cross bar 23 comprises an outer end and an inner end, the button switch is arranged at the lower end of the control buckle,
the inner end of the cross bar 23 is pressed against the button switch; the vertical rod is vertically arranged, the upper end of the vertical rod is rotatably connected with the outer end of the cross rod 23, and the lower end of the vertical rod is rotatably connected with the outer end of the contact piece 10; the middle part of the vertical rod is rotatably connected with the right panel of the case.
The singlechip is used for delaying a period of time after receiving the electric signal of the button switch and sequentially electrifying the coils 6 from bottom to top through the driver;
one end of the metal hose 19 is connected with the first connector 15 in a flange mode, the other end of the metal hose is connected with the second connector 22 in a flange mode, and the metal hose 19, the first base and the second base are filled with oil.
The buffer table 17 comprises a flat plate and a spring, the flat plate is located below the contact plate, the upper end of the spring is welded with the flat plate, and the lower end of the spring is welded with the case.
The output end of the signal receiving module is connected with the input end of the control module, and the output end of the control module is connected with the buzzer.
The signal receiving module is an RXB8 receiving module, and the signal receiving module is matched with the ASK transmitting module to work; the control module adopts a BMXFTB2000 controller.
When the computer normally operates, the mainboard 2 of the computer generates heat, the heat of the mainboard 2 is transferred to the radiating fins 4 of the fin plate 3, and the radiating fins 4 are contacted with the air to fully radiate the heat, so that the heat dissipation of the mainboard 2 is accelerated; the heat dissipation fins 4 have negative charges, and dust floating in the chassis 1 is attracted to the heat dissipation fins 4 due to the negative charges, so that the dust in the chassis 1 is collected. The coil 6 is wound on the radiating fins 4, so that the surface area of the radiating fins is increased, and more dust can be adsorbed.
When someone tries to take down the graphics card 11 on the main board 2, the clip 12 of the graphics card 11 needs to be pulled, because the first button 13 abuts against the clip 12, when the clip 12 moves, the clip 12 extrudes the first button 13, the first button 13 slides towards the first button seat 14, the inner space of the first button seat 14 is reduced, the pressure of the oil in the first button seat 14 is increased, the pressure is transmitted into the second button seat 21 through the metal hose 19, the second button 20 is subjected to the pressure of the oil in the second button seat 21 and slides outwards, in the process of sliding outwards of the second button 20, the upper end of the control buckle 8 is extruded, the control bayonet rotates by taking the hinged point as the circle center, the lower end moves leftwards, the lower end compresses the second spring, the convex tooth is separated from the bin door 7, the bin door 7 does not provide supporting force for the metal block 9 any more, and the metal block 9 in the bin 5 falls out of the bin 5 under the action of gravity and then falls downwards.
When the metal block 9 falls downward, it first contacts the uppermost heat dissipating fin 4 and then rolls down along the heat dissipating fin 4, causing the heat dissipating fin 4 to vibrate, which helps to shake off the dust adsorbed on the heat dissipating fin 4.
The metal block 9 is clamped between the heat dissipation fins 4 and the contact pieces 10 at the lowest part of the fin plate 3, the heat dissipation fins 4 and the contact pieces 10 are connected because the metal block 9 is a conductor, the signal sending module is electrified, the signal sending module sends alarm information to the signal receiving module, the signal receiving module sends the received alarm information to the control module, and the control module controls the buzzer to give an alarm.
When the fins need to be cleaned, the cross rod 23 is pushed inwards, the cross rod 23 presses the control buckle 8 to open the bin door 7, the metal block 9 falls down, the heat dissipation fins 4 vibrate, and the purpose of active dust removal is achieved, and as the contact piece 10 moves, the contact piece 10 is not in contact with the metal block 9, so that the alarm can be guaranteed not to be triggered during cleaning; when horizontal pole 23 presses the control buckle, presses button switch, button switch case singlechip transmission signal of telecommunication, and the singlechip is through the time delay back of a period, from supreme circular telegram in proper order down through driver control coil 6, and coil 6 produces magnetic force in proper order, inhales the metal block back in the storage storehouse, realizes the automatic re-setting of metal block.
Example two
The desktop computer security system is different from the first embodiment in that:
the control assembly further comprises a display module and a storage module, the storage module is stored with position information of a desktop computer provided with each signal sending module in advance, and each signal sending module sends an alarm signal with a unique code. Still include the control subassembly, the control subassembly includes a plurality of surveillance cameras.
The display module is an LED display; the storage module is a 6TB violet disc of WD60 EJRX.
After receiving the signal sent by the information sending module, the control module calls the position information of the desktop computer provided with the signal sending module in the storage module and sends the position information of the desktop computer to the display module; meanwhile, the control module controls the monitoring camera to rotate and aims at the area of the computer which sends the alarm signal. The monitoring camera sends the monitoring information to the display module.
The single-chip microcomputer is electrically connected with the signal sending module, the single-chip microcomputer sends a starting signal to the signal sending module after receiving an electric signal of the button switch, and the control module controls the buzzer to send identification sound different from alarm sound after receiving the starting signal.
The manager can judge whether normal cleaning operation is performed or whether someone deliberately presses the cross rod to enable the buzzer not to give an alarm after hearing the identification sound, and the manager can conveniently process the operation in time.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. A security system for a desktop computer, comprising: the device comprises a case, a standby power supply, a mainboard vertically arranged in the case, a display card arranged on the mainboard and a clip for fixing the display card; it is characterized by also comprising: a detection component and a control component;
the detection assembly comprises:
the fin plate is arranged between the main board and the right panel of the case, the back surface of the fin plate is a smooth plane, the back surface of the fin is tightly attached to the back surface of the main board, a plurality of radiating fins are arranged on the front surface of the fin plate at intervals from top to bottom, the radiating fins are inclined downwards, the lengths of the radiating fins are gradually increased from top to bottom, and the radiating fins are electrically connected with the negative electrode of the standby power supply;
the storage bin comprises a bin, a bin door and a control buckle, the bin is fixedly arranged above the fin plate, a blanking port is formed in one side, opposite to the radiating fins, of the bin, the bin door is covered on the blanking port, one side of the bin door is hinged to the outer wall of the bin, the other side of the bin door is detachably connected with the control buckle, and one side of the control buckle is pressed to enable the bin door to be separated from the control buckle;
a metal block disposed within the bin;
a coil disposed within the chamber and on each of the heat dissipating fins, respectively;
the signal sending module is installed in the case and used for sending signals to the control assembly, and the input end of the signal sending module is electrically connected with the anode of the standby power supply;
the contact piece is connected with the right panel in a sliding mode and comprises an inner end and an outer end, the contact piece is opposite to the heat dissipation fins at the lowest part of the fin plate, the distance from the inner end of the contact piece to the outer end of the heat dissipation fins at the lowest part is smaller than the length of the metal block, and the contact piece is electrically connected with the output end of the signal sending module;
the first switch comprises a first button, a first button seat and a first interface, the first button is slidably connected with the first button seat, the first button seat is hollow, the sliding connection position of the first button and the first button seat is sealed, the first interface is communicated with the inside and the outside of the first button seat, the first button seat is fixedly arranged at one end of the display card, and the first button is abutted to the clip;
the second switch comprises a second button, a second button seat and a second interface, the second switch has the same structure as the first switch, the second button seat is fixedly arranged on the fin plate below the control buckle, and the second button is abutted against one side of the control buckle;
one end of the hydraulic pipe is fixedly connected with the first connector, and the other end of the hydraulic pipe is fixedly connected with the second connector;
the cross bar is connected with the right panel in a sliding manner and comprises an outer end and an inner end, and the inner end of the cross bar is abutted to the control buckle;
the vertical rod is vertically arranged, one end of the vertical rod is rotatably connected with the outer end of the cross rod, the other end of the vertical rod is rotatably connected with the outer end of the contact piece, and the middle part of the vertical rod is rotatably connected with the right panel of the case;
the control assembly comprises a signal receiving module, a control switch and a buzzer; the control switch is fixedly arranged on one side, opposite to the cross rod, of the control buckle, the control switch is electrically connected with the coil respectively, and the control switch is used for controlling the coil to be sequentially electrified from bottom to top after being pressed for a period of time; the signal receiving module is used for receiving the information of the signal sending module, the signal receiving module sends the received information to the control module, and the control module controls the buzzer to send out an alarm sound;
wherein, all fill with fluid in first button seat, second button seat and the hydraulic pressure pipe.
2. A security system for a desktop computer according to claim 1, wherein: the control assembly further comprises a display module and a storage module, the storage module is pre-stored with position information of a desktop computer provided with each signal sending module, and after the control module receives the signals sent by the signal sending module, the control module calls the position information of the desktop computer provided with the signal sending module in the storage module and sends the position information of the desktop computer to the display module.
3. A security system for a desktop computer according to claim 1, wherein: each signal transmission module transmits a uniquely coded alarm signal.
4. A security system for a desktop computer according to claim 1, wherein: the monitoring assembly comprises a plurality of monitoring cameras, and after the control module receives the alarm information, the control module controls the monitoring cameras to rotate and aim at the area of the computer sending the alarm signal.
5. A security system for a desktop computer according to claim 4, wherein: the monitoring camera sends monitoring information to the display module.
6. A security system for a desktop computer according to any one of claims 1-5, wherein: the control switch is electrically connected with the signal sending module, the control switch sends a starting signal to the signal sending module after being pressed, and the control module controls the buzzer to send identification sound different from alarm sound after receiving the starting signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810911436.4A CN109101848B (en) | 2018-08-10 | 2018-08-10 | Security system for desktop computers |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810911436.4A CN109101848B (en) | 2018-08-10 | 2018-08-10 | Security system for desktop computers |
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| CN109101848A CN109101848A (en) | 2018-12-28 |
| CN109101848B true CN109101848B (en) | 2020-06-19 |
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| KR200477478Y1 (en) * | 2014-05-26 | 2015-06-11 | 김도훈 | Anti-theft device for electronic device |
| CN205788200U (en) * | 2016-05-11 | 2016-12-07 | 江苏立达电磁屏蔽技术有限公司 | Computer cabinet hard disk anti-theft device |
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| CN207380714U (en) * | 2017-09-25 | 2018-05-18 | 王天佟 | A kind of computer cabinet with anti-theft feature |
| CN108073839A (en) * | 2017-12-11 | 2018-05-25 | 大连锐进科技发展有限公司 | A kind of anti-theft tracking type main frame |
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2018
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| CN201063165Y (en) * | 2007-07-23 | 2008-05-21 | 海尔集团公司 | Anti-theft structure for computer cabinet |
| CN202838154U (en) * | 2012-10-25 | 2013-03-27 | 成都江法科技有限公司 | Anti-theft computer case dedicated for internet bar |
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| CN109101848A (en) | 2018-12-28 |
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