CN207382454U - A kind of computer network monitoring system - Google Patents
A kind of computer network monitoring system Download PDFInfo
- Publication number
- CN207382454U CN207382454U CN201721195773.5U CN201721195773U CN207382454U CN 207382454 U CN207382454 U CN 207382454U CN 201721195773 U CN201721195773 U CN 201721195773U CN 207382454 U CN207382454 U CN 207382454U
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- Prior art keywords
- infrared
- signal
- circuit
- computer network
- monitoring system
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 238000004140 cleaning Methods 0.000 claims abstract description 21
- 229920000742 Cotton Polymers 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000001131 transforming effect Effects 0.000 claims description 7
- 230000010355 oscillation Effects 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 5
- 239000003381 stabilizer Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 210000003781 tooth socket Anatomy 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000014599 transmission of virus Effects 0.000 description 1
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- Electronic Switches (AREA)
Abstract
The utility model discloses a kind of computer network monitoring system, solve when not clearing up the minute surface of camera for a long time, the problem of dust will be accumulated, backstage image display can be caused to obscure, its key points of the technical solution are that：Cleaning bar is additionally provided on camera, cleaning cotton is arranged on cleaning bar, motor, mounting box is additionally provided on camera, gear is arranged in the rotation axis of motor, rack is provided on camera；Detection hole is further included, infrared launcher, infrared receiving device are installed in detection hole；Further include supply unit, driving device；When infrared receiving device does not receive infrared emission signal, motor, which is realized, to be rotated, and cleaning bar is driven to wipe minute surface, a kind of computer network monitoring system of the utility model, camera lens can be wiped by clearing up cotton, improve the cleannes of minute surface, improve the clarity of image.
Description
Technical field
The utility model is related to a kind of security system, more particularly to a kind of computer network monitoring system.
Background technology
With the fast development of computer technology and network so that computer has become people in work, study and life
Indispensable instrument in work.Equally, the development of computer network also brings the security risk of subscriber computer information, net
Network information stealth, information attack, viral transmission etc. all exist and occur all the time.
Network security is the key issue studied always in computer network and its application field, is improving the safety of user
While consciousness, also by the service condition of computer room, monitored in real time by camera.Since camera installation site is higher
Metope on, once long-time do not clear up the minute surface of camera when, dust will be accumulated, backstage image display mould can be caused
Paste, there is room for improvement.
Utility model content
The purpose of this utility model is to provide a kind of computer network monitoring system, camera lens can be carried out by clearing up cotton
Wiping improves the cleannes of minute surface, improves the clarity of image.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of computer network monitoring system including camera, is additionally provided with cleaning bar, the cleaning on the camera
It is arranged with to wipe the cleaning cotton of minute surface on stick, motor, the mounting box for installing motor is additionally provided on the camera,
Gear is arranged in the rotation axis of the motor, is provided with and is connected with cleaning bar and intermeshing with gear on the camera
Rack；
The detection hole being installed on metope is further included, is equipped with to export the red of infrared emission signal in the detection hole
Outer emitter is coupled to infrared launcher to receive infrared emission signal and export the infrared receiver dress of received IR signal
It puts；
It further includes to provide the supply unit of electric energy to motor, be coupled to infrared receiving device to receive infrared receiver letter
Number and in response to received IR signal with realize be closed supply unit current supply circuit driving device；
When the infrared receiving device does not receive infrared emission signal, the motor, which is realized, to be rotated, and drives cleaning
Stick wipes minute surface.
Using the above program, by the connection of cleaning bar and rack, when motor driven gear rotates, gear will drive
Rack is moved, and so as to which the cleaning cotton on cleaning bar be driven to wipe minute surface, and passes through infrared launcher and infrared
The setting of reception device controls signal in the form of partition, highly practical.
Preferably, the infrared launcher includes the oscillating circuit for outputting oscillation signal, is coupled to vibration electricity
Road is to receive oscillator signal and export infrared emission signal to the infrared transmitting circuit of infrared receiving device.
Using the above program, the setting of oscillating circuit primarily serves the work that driving infrared transmitting circuit starts in circuit
With when oscillating circuit is powered, vibration will be generated, so as to carry out starting of oscillation, and the oscillator signal of certain frequency is exported, by red
Outer radiating circuit launches signal, and the output frequency for making infrared transmitting circuit is consistent, improves the steady of infrared transmitting circuit
It is qualitative, it is highly practical.
Preferably, the infrared receiving device includes being coupled to infrared launcher to receive infrared emission signal and defeated
Go out the infrared switch circuit of infrared switch signal, be coupled to infrared switch circuit to receive infrared switch signal and export infrared connect
Collect mail number to driving device infrared control circuit.
Using the above program, the infrared switch circuit circuit as an on-off action in circuit, when infrared switch electricity
It after road receives the infrared emission signal of infrared launcher output, will turn on, so that driving device triggers, and control drive
The startup of dynamic device improves the jamproof ability of circuit.
Preferably, the driving device includes being coupled to infrared receiving device to receive received IR signal and export red
The infrared controlled switch circuit of outer control switching signal is coupled to infrared controlled switch circuit to receive infrared controlled switch signal
And in response to infrared switch signal to be closed the trigger circuit of the current supply circuit of supply unit.
Using the above program, the infrared controlled switch circuit circuit as on-off action in circuit, when infrared control is opened
When powered-down road one receives the signal of high level, it will turn on, and the speed turned on is fast, and trigger circuit is directly to supply unit
It is controlled, and reaction speed is fast.
Preferably, the supply unit includes being coupled to alternating current to receive city's electric signal and export the transformation of variable voltage signal
Circuit is coupled to transforming circuit to receive variable voltage signal and export the rectification circuit of rectified signal, be coupled to rectification circuit and be used in combination
In the regulator circuit that electric energy is provided to motor.
Using the above program, the voltage of alternating current is depressured by the setting of transforming circuit, then coordinates setting for rectification circuit
It puts, signal is filtered, improve the quality of power supply, by the use of regulator circuit, voltage is stablized, be semiconductor
Cooling piece provides electric energy, highly practical.
It is pivotally connected preferably, further including with metope and for covering the cover board for closing detection hole.
Using the above program, detection hole is carried out lid conjunction by the setting of cover board, so as to reduce shadow of the dust to detection hole
It rings, and the setting being pivotally connected, the lid of cover board is facilitated to close and open, using simple, and is not easy to lose cover board.
Preferably, the one side away from pivot joint on the cover board is provided with the first magnet, and it is provided on wall and first
Mutual the second attracted magnet of magnet.
Using the above program, the setting of the first magnet and the second magnet, make cover board be closed when, can with wall into
It goes and is attracted, closed so as to fulfill lid, and lid conjunction effect is good, and reduce the entrance of dust.
Preferably, further include be arranged on metope and with mutual attracted the 3rd magnet of the first magnet, the 3rd magnetic
Iron is arranged at the one side away from the second magnet.
Using the above program, the setting of the 3rd magnet makes cover board flip up in the open state, realization and wall
Actuation, allow cover board for a long time in the state that flips up, it is convenient for people to use.
Preferably, the gripping block held for hand is additionally provided on the cover board.
Using the above program, the setting of block is held, can be held for hand, so as to quickly be played cover board
It opens, tool between hand and cover board is made there are one impetus, to improve the efficiency for operating cover board.
Preferably, it is additionally provided with to install the installation of infrared launcher and infrared receiving device in the detection hole
Slot, and light transmission detection shell is additionally provided in the detection hole.
Using the above program, the setting of mounting groove is installed for infrared transmitting apparatus and infrared receiving device, and light transmission is examined
The use of shell is surveyed, reduces the entrance of dust, while can be transmitted for signal, it is highly practical.
In conclusion the utility model has the advantages that：
1st, camera lens can be wiped by clearing up cotton, improves the cleannes of minute surface, improve the clarity of image；
2nd, the setting of motor coordinates the use of infrared launcher and infrared receiving device, wiping minute surface is made to become automatic
Change, it is more convenient.
Description of the drawings
Fig. 1 is the structure diagram of camera；
Fig. 2 is the enlarged diagram in A portions in Fig. 1；
Fig. 3 is the exploded perspective view one of camera and cover board；
Fig. 4 is the exploded perspective view two of camera and cover board；
Fig. 5 is infrared launcher, the circuit connection diagram of infrared receiving device；
Fig. 6 is supply unit, the circuit connection diagram of driving device.
In figure：1st, camera；2nd, cleaning bar；3rd, cotton is cleared up；4th, motor；5th, mounting box；6th, gear；7th, rack；8th, it is infrared
Emitter；9th, infrared receiving device；10th, supply unit；11st, driving device；12nd, oscillating circuit；13rd, infrared transmitting circuit；
14th, infrared switch circuit；15th, infrared control circuit；16th, infrared controlled switch circuit；17th, trigger circuit；18th, transforming circuit；
19th, rectification circuit；20th, regulator circuit；21st, cover board；22nd, the first magnet；23rd, the second magnet；24th, the 3rd magnet；25th, hold
Block；26th, mounting groove；27th, light transmission detection shell；28th, tooth socket；29th, metope；30th, detection hole.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of computer network monitoring system disclosed in the present embodiment, including camera 1, camera 1 is set
It is placed on metope 29, to improve the eminence checked distance, be generally positioned at metope 29 of camera 1, and the lower end of metope 29 is set
It is equipped with the cover board 21 opened for handspring.
As in Figure 2-4, mounting box 5 is provided on camera 1, motor 4 is installed on mounting box 5, in the present embodiment, electricity
Machine 4 is preferably DC stepper motor 4, the turnning circle of motor 4 is controlled with facilitating, so as to fulfill the wiping to cleaning bar 2
Distance is wiped to be controlled.The control mode of DC stepper motor 4 can use microcontroller etc., belong to the known of those skilled in the art
Common sense, this will not be repeated here.
As in Figure 2-4, the shaft of motor 4 is fixed with gear 6, and tooth socket 28 is fixed on camera 1, sliding on tooth socket 28
Shifting is connected with rack 7, and rack 7 intermeshes with gear 6, and the tooth protrusion at the both ends of rack 7 is set with limiting gear 6 and rack
7 move distance.
As in Figure 2-4, rack 7 is fixedly connected by bolt with cleaning bar 2, and is arranged on cleaning bar 2 and is fixed with cleaning
The camera lens of cotton 3, cleaning cotton 3 and camera 1, which contradicts, to be connected, and for being wiped to camera lens.
As shown in Figure 3,4, detection hole 30 is provided on metope 29, infrared launcher 8 and red is provided in detection hole 30
Infrared receiving device 9, and be provided with and interconnected with detection hole 30 and for infrared launcher 8, infrared receiving device 9 on metope 29
The mounting groove 26 of installation.
As shown in Figure 3,4, detection hole 30 detects shell 27 by light transmission and is installed, and passes through bolt and be fixed, light transmission
Detection shell 27 is contradicted infrared launcher 8 and infrared receiving device 9 and signal can wear light transmission detection shell 27.
As shown in Figure 3,4, cover board 21 is articulated on metope 29, the one side away from pivot joint is provided with gripping block on cover board 21
25, and one side of the cover board 21 away from pivot joint is also embedded with the first magnet 22, is embedded on metope 29 mutually attracting with the first magnet 22
The second magnet 23 closed, when cover board 21, which covers, to be closed, lid closes mutually for the first magnet 22 and the second magnet 23, realizes and fixes；And metope
One side away from pivot joint on 29 be also embedded with mutual attracted the 3rd magnet 24 of the first magnet 22, when cover board 21 flips up
When, the first magnet 22 and the 3rd magnet 24 are mutually attracted to realize the fixation of cover board 21.
As shown in figure 5, infrared launcher 8 includes oscillating circuit 12, infrared transmitting circuit 13.Oscillating circuit 12 includes core
Piece U1, resistance R1, resistance R2, resistance R3, capacitance C1, chip U1 can be NE555, UA555, SL555 time-base integrated circuit, this
Preferentially using NE555 in embodiment, infrared transmitting circuit 13 is infrared transmitting tube LED1.
As shown in figure 5, the one end of 1 foot of chip U1 respectively with ground GND, capacitance C1 is connected, the other end difference of capacitance C1
It is connected with 6 feet of one end of resistance R1,2 feet of chip U1, chip U1, the other end of resistance R1 7 feet, the electricity with chip U1 respectively
Hinder one end connection of R2, the other end of resistance R2 respectively with 4 feet of chip U1,8 feet of chip U1, one end of resistance R3, power supply
VCC connections, the other end of resistance R3 are connected with the anode of infraluminescence pipe LED1, cathode and the chip U1 of infraluminescence pipe LED1
3 feet connection.
As shown in figure 5, when chip U1 obtains electric, the oscillator signal of certain frequency will be sent, the frequency of oscillator signal by
Resistance and Capacity control, and pass through infraluminescence pipe LED1 output signals.
As shown in fig. 6, infrared receiving device 9 includes infrared switch circuit 14, infrared control circuit 15.Infrared switch circuit
14 be infrared receiving tube LED2.Infrared control circuit 15 includes capacitance C2, capacitance C3, capacitance C4, capacitance C5, capacitance C6, capacitance
C7, resistance R4, resistance R5, resistance R6, resistance R7, inductance L, chip U2, the model UPC1373H of chip U2.
As shown in fig. 6, the one end of 3 feet of chip U2 respectively with one end of capacitance C6, inductance L is connected, the other end of inductance L
Respectively with one end of capacitance C6, one end of resistance R4,8 feet of chip U2, one end of resistance R5, power supply VCC, capacitance C7 anode
Connection, the cathode of the other end of resistance R4 respectively with the anode of capacitance C2, infrared receiving tube LED2 be connecteds, the cathode of capacitance C2 and
Ground GND connections, the anode of infrared receiving tube LED2 are connected with 7 feet of chip U2, and 6 feet of chip U2 connect with one end of resistance R7
Connect, the other end of resistance R7 is connected with one end of capacitance C3, the other end of capacitance C3 respectively with ground GND, one end of capacitance C4, core
5 feet of piece U2, one end connection of one end of capacitance C5, resistance R6, the other end of capacitance C4 are connected with 2 feet of chip U2, capacitance
The other end of the other end of C5 respectively with 1 foot of chip U2, resistance R5 is connected, 4 feet of the other end of resistance R6 point and chip U2,
The cathode connection of capacitance C7.
As shown in fig. 6, when the signal of hot outer luminous tube LED1 transmittings is received by infrared receiving tube LED2, chip U2's
1 foot exports low level signal.The signal of hot outer luminous tube LED1 transmittings is separated, and causes infrared receiving tube LED2 that can not connect
When receiving the signal of infraluminescence pipe LED1 transmittings, the signal of the 1 foot output high level of chip U2.
As shown in fig. 6, driving device 11 includes infrared controlled switch circuit 16, trigger circuit 17.Infrared controlled switch electricity
Road 1611 is triode Q1, and triode Q1 is the triode and model 2SC4019 of NPN type, and trigger circuit 17 is relay
KM1.Supply unit 10 includes transforming circuit 18, rectification circuit 19, regulator circuit 20.Transforming circuit 18 be transformer T, rectified current
Road 19 includes diode D1, diode D2, diode D3, diode D4.Regulator circuit 20 includes voltage-stabiliser tube IC1, capacitance C1, electricity
Hold C2, capacitance C3, capacitance C4, the model 78L12 of voltage-stabiliser tube.
As shown in fig. 6, city's electrical connection of the primary side and 220V of transformer T, the Same Name of Ends of the secondary side of transformer T and two
The anode connection of the cathode, diode D2 of pole pipe D1, the other end of transformer T and the cathode of diode D3, the sun of diode D4
Pole connects, anode and the anode of diode D3, the cathode of capacitance C1, one end of capacitance C2, the 2 of voltage-stabiliser tube IC1 of diode D1
Foot, capacitance C3 cathode, GND, one end of capacitance C4, relay normally open contact KM1-1 one end connection, the moon of diode D2
Pole is connected with 1 foot of the cathode of diode D4, the anode of capacitance C1, the other end of capacitance C2, voltage-stabiliser tube IC1, voltage-stabiliser tube IC1's
3 feet are connected with one end of the anode of capacitance C3, the other end of capacitance C4, motor 4M, the other end and relay normally open of motor 4M
The other end connection of contact KM1-1,1 foot of chip U2 are connected with the base stage of triode Q1, emitter and the ground GND of triode Q1
Connection, the collector of triode Q1 are connected with one end of relay KM1, and the other end of relay KM1 is connected with power supply VCC.
As shown in fig. 6, being depressured after alternating current is by transformer T, passing through diode D1, diode D2, diode
D3, diode D4 carry out full-wave rectification, carry out voltage stabilizing finally by regulator circuit 20, are carried out in the DC-voltage supply machine 4 of 12V
It uses.When the base stage of triode Q1 receives the signal of high level, triode Q1 conductings, relay KM1 obtains electric, and relay is normal
Open contact KM1-1 closures, motor 4M obtains electric, and begins a clean up；When the base stage of triode Q1 receives low level signal, three
Pole pipe Q1 is not turned on, and relay KM1 must not be electric, and relay normally open contact KM1-1 is disconnected, and motor 4M must not electricity.
The course of work：
1st, 12 outputting oscillation signal of oscillating circuit of chip U1 compositions gives infraluminescence pipe LED1, after end cap is opened,
In finger insertion light transmission detection shell 27, signal is blocked, the signal of infraluminescence pipe LED1 outputs is not by infrared receiving tube
LED2 is received, and the signal of the 1 foot output high level of chip U2, triode Q1 is turned on after receiving the signal of high level, relay
Device KM1 is turned on, and relay normally open contact KM1-1 obtains electric closure, and motor 4M starts to work.
2nd, 12 outputting oscillation signal of oscillating circuit of chip U1 compositions gives infraluminescence pipe LED1, when end cap is not beaten
It opens, finger is not inserted into light transmission detection shell 27, is not blocked signal, and the signal of infraluminescence pipe LED1 outputs is red
Outer reception pipe LED2 is received, and 1 foot of chip U2 exports low level signal, and triode Q1 is received after low level signal not
Conducting, relay KM1 are not turned on, and relay normally open contact KM1-1 dead electricity disconnects, and motor 4M dead electricity does not work.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model be subject to Patent Law.
Claims (10)
1. a kind of computer network monitoring system, including camera (1), it is characterized in that：It is additionally provided on the camera (1) clear
Stick (2) is managed, is arranged with to wipe the cleaning cotton (3) of minute surface on the cleaning bar (2), is additionally provided on the camera (1)
Motor (4), for installing the mounting box of motor (4) (5), gear (6) is arranged in the rotation axis of the motor (4), it is described to take the photograph
As be provided on head (1) be connected with cleaning bar (2) and with gear (6) intermeshing rack (7)；
The detection hole (30) being installed on metope (29) is further included, is equipped with to export infrared emission in the detection hole (30)
The infrared launcher (8) of signal is coupled to infrared launcher (8) to receive infrared emission signal and export infrared receiver letter
Number infrared receiving device (9)；
It further includes to provide the supply unit (10) of electric energy to motor (4), to be coupled to infrared receiving device (9) infrared to receive
Receive signal and in response to received IR signal with realize be closed supply unit (10) current supply circuit driving device (11)；
When the infrared receiving device (9) does not receive infrared emission signal, the motor (4), which is realized, to be rotated, and is driven clear
Reason stick (2) wipes minute surface.
2. a kind of computer network monitoring system according to claim 1, it is characterized in that：The infrared launcher (8)
Including being used for the oscillating circuit (12) of outputting oscillation signal, being coupled to oscillating circuit (12) to receive oscillator signal and export infrared
Emit signal to the infrared transmitting circuit (13) of infrared receiving device (9).
3. a kind of computer network monitoring system according to claim 1, it is characterized in that：The infrared receiving device (9)
Including being coupled to infrared launcher (8) to receive infrared emission signal and export the infrared switch circuit of infrared switch signal
(14), infrared switch circuit (14) is coupled to receive infrared switch signal and export received IR signal to driving device (11)
Infrared control circuit (15).
4. a kind of computer network monitoring system according to claim 1, it is characterized in that：The driving device (11) includes
Infrared receiving device (9) is coupled to receive received IR signal and export the infrared controlled switch electricity of infrared controlled switch signal
Road (16), be coupled to infrared controlled switch circuit (16) with receive infrared controlled switch signal and in response to infrared switch signal with
It is closed the trigger circuit (17) of the current supply circuit of supply unit (10).
5. a kind of computer network monitoring system according to claim 1, it is characterized in that：The supply unit (10) includes
Be coupled to alternating current with receive city's electric signal and export the transforming circuit (18) of variable voltage signal, be coupled to transforming circuit (18) with receive
Variable voltage signal simultaneously exports the rectification circuit (19) of rectified signal, is coupled to rectification circuit (19) and be used to provide electricity to motor (4)
The regulator circuit (20) of energy.
6. a kind of computer network monitoring system according to claim 1, it is characterized in that：It further includes and is pivotally connected with metope (29)
And for covering the cover board (21) for closing detection hole (30).
7. a kind of computer network monitoring system according to claim 6, it is characterized in that：Away from pivot on the cover board (21)
The one side connect is provided with the first magnet (22), and is provided on wall and mutual the second attracted magnet of the first magnet (22)
(23)。
8. a kind of computer network monitoring system according to claim 6, it is characterized in that：It further includes and is arranged at metope (29)
It is upper and mutually attracted the 3rd magnet (24), the 3rd magnet (24) are arranged at away from the second magnet with the first magnet (22)
(23) one side.
9. a kind of computer network monitoring system according to claim 6, it is characterized in that：It is also set up on the cover board (21)
There is the gripping block (25) held for hand.
10. a kind of computer network monitoring system according to claim 1, it is characterized in that：In the detection hole (30) also
It is provided with to install the mounting groove (26) of infrared launcher (8) and infrared receiving device (9), and in the detection hole (30)
It is additionally provided with light transmission detection shell (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721195773.5U CN207382454U (en) | 2017-09-18 | 2017-09-18 | A kind of computer network monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721195773.5U CN207382454U (en) | 2017-09-18 | 2017-09-18 | A kind of computer network monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207382454U true CN207382454U (en) | 2018-05-18 |
Family
ID=62340196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721195773.5U Expired - Fee Related CN207382454U (en) | 2017-09-18 | 2017-09-18 | A kind of computer network monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207382454U (en) |
-
2017
- 2017-09-18 CN CN201721195773.5U patent/CN207382454U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180518 |