CN114449367A - Ten-thousand-million network gate protection device - Google Patents
Ten-thousand-million network gate protection device Download PDFInfo
- Publication number
- CN114449367A CN114449367A CN202210017264.2A CN202210017264A CN114449367A CN 114449367 A CN114449367 A CN 114449367A CN 202210017264 A CN202210017264 A CN 202210017264A CN 114449367 A CN114449367 A CN 114449367A
- Authority
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- China
- Prior art keywords
- motor
- gatekeeper
- fixed plate
- heat dissipation
- connecting plate
- Prior art date
- 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.)
- Pending
Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 36
- 230000002093 peripheral effect Effects 0.000 claims abstract description 16
- 239000007779 soft material Substances 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 31
- 229910052802 copper Inorganic materials 0.000 claims description 31
- 239000010949 copper Substances 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 230000003028 elevating effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims 2
- 230000007246 mechanism Effects 0.000 abstract description 8
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/04—Frames or mounting racks for selector switches; Accessories therefor, e.g. frame cover
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/035—Cooling of active equipments, e.g. air ducts
Abstract
The invention discloses a gigabit gatekeeper protection device, which relates to the technical field of gatekeeper equipment and comprises a first fixing plate, a second fixing plate and a shell, wherein the first fixing plate and the second fixing plate are correspondingly arranged, the first fixing plate is provided with four support columns, the shell is made of soft materials, the shell is sleeved on the four support columns, the first fixing plate is provided with a driving device for driving the shell to rotate around the peripheral surfaces of the support columns, and the bottoms of the first fixing plate and the second fixing plate are respectively provided with a lifting mechanism for enhancing the heat dissipation of the gatekeeper; the invention has simple and reasonable structure, can effectively protect the network gate, prevents the damage of the network gate caused by the fact that the bottom of the network gate cannot radiate heat due to the long-time use of the network gate, and solves the problem that the bottom of the network gate is contacted with the ground for a long time.
Description
Technical Field
The invention relates to the technical field of gatekeeper equipment, in particular to a gigabit gatekeeper protection device.
Background
As is known, a gatekeeper is an information security device connected to an independent host system, and the gatekeeper is often used for years and months due to long working time in the use process, so that the gatekeeper is often damaged due to poor self heat dissipation performance in the long-time use process, in particular to a gigabit gatekeeper, and the gigabit gatekeeper has larger workload and is more required to dissipate heat.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a gigabit gatekeeper protection device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a ten thousand million net floodgates protection device, includes first fixed plate, second fixed plate and casing, first fixed plate and second fixed plate correspond the setting, are equipped with four support columns on the first fixed plate, the casing constitutes for soft materials, and the casing cover is established on four support columns, be equipped with on the first fixed plate and be used for driving the casing around support column outer peripheral face pivoted drive arrangement, the bottom of first fixed plate and second fixed plate all is equipped with and is used for strengthening the radiating elevating system of net floodgate.
The driving device is composed of a supporting frame, a motor and transmission teeth, a rotating groove is formed in the first fixing plate, the transmission teeth are arranged in the rotating groove, the supporting frame is arranged at the top of the first fixing plate, the motor is arranged on the supporting frame, an output shaft of the motor vertically extends downwards to the rotating groove, the output shaft of the motor is connected with the transmission teeth, the transmission teeth rotate synchronously with the output shaft of the motor, and the transmission teeth drive the shell to rotate when rotating.
One end of the shell is provided with a clamping groove, the peripheral surface of the transmission gear is provided with a latch, and the clamping groove and the latch are assembled.
The top of first fixed plate and second fixed plate is equipped with at least one heat sink that is used for the casing cooling.
The cooling device comprises a first connecting plate, a second connecting plate, a rotating shaft and a heat dissipation copper pipe, wherein the first connecting plate is arranged at the top of the first fixing plate, the second connecting plate is arranged at the top of the second fixing plate, the first connecting plate and the second connecting plate are correspondingly arranged, the rotating shaft is arranged at each of the two ends of the heat dissipation copper pipe, a rotating groove is formed in each of the first connecting plate and the second connecting plate, the rotating shaft is located in the rotating groove to rotate, the heat dissipation copper pipe is located in the middle of the first connecting plate and the second connecting plate through the rotating shaft to rotate, and the heat dissipation copper pipe rotates along the central axis of the heat dissipation copper pipe.
The heat dissipation copper pipe is of a cylindrical hollow structure, a cavity for storing liquid is formed in the middle of the heat dissipation copper pipe, a water changing hole which is sunken inwards is formed in the outer peripheral surface of the heat dissipation through hole, the water changing hole is communicated with the interior of the cavity, and a threaded connection sealing plug is assembled on the water changing hole.
The lifting mechanism is composed of a first telescopic rod, a second telescopic rod and a locking bolt, the top of the first telescopic rod is connected with the bottom of the first fixing plate, the second telescopic rod is of a hollow structure, the bottom of the first telescopic rod is located inside the second telescopic rod, the first telescopic rod and the second telescopic rod are in sliding connection, adjusting holes are formed in the outer peripheral surface of the second telescopic rod and communicated with the inside of the second telescopic rod, and the locking bolt in threaded connection is assembled in the adjusting holes.
The control circuit of the motor is as follows: QS is a breaker, KM1 is a forward rotation contactor, KM2 is a reverse rotation contactor, FR is a thermal relay, SB1 is a stop button, SB2 is a forward rotation start button, SB3 is a reverse rotation start button, SB2, KM1, SB3 and KM2 are in an off state when the QS breaker is closed, a forward rotation contact coil and a reverse rotation contact coil are not electrified, so that the motor is in a stagnation state, when the forward rotation start button SB2 is pressed down, the KM1 coil is electrified and attracted, a KM1 main contact is closed, the motor rotates forwards, when SB2 is released, the KM1 normally open auxiliary contact is closed, the KM1 contactor is self-locked, the motor keeps rotating forwards, the SB1 is pressed down to be opened at a closing point, the contactor is released, the motor stops, and if the motor is blocked or the thermal relay FR acts, the FR normally closed point is opened, at this time, the motor stops rotating no matter whether the reverse contactor or the contactor is rotated
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the contact distance between the bottom of the mesh gate and the ground is changed by arranging the lifting mechanism, the shell is rotated by arranging the transmission gear and the shell made of soft materials, the motor drives the transmission gear to rotate and simultaneously enables the shell to continuously rotate, the bottom of the shell is prevented from being in contact with the ground for a long time, and the shell is cooled by arranging the heat dissipation copper pipe; the invention has simple and reasonable structure, can effectively protect the network gate, prevents the damage of the network gate caused by the fact that the bottom of the network gate cannot radiate heat due to the long-time use of the network gate, and solves the problem that the bottom of the network gate is contacted with the ground for a long time.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic view of the housing structure of the present invention;
FIG. 4 is a schematic structural diagram of the lifting mechanism of the present invention;
FIG. 5 is a schematic view of a water change hole according to the present invention;
FIG. 6 is a circuit diagram of the motor control of the present invention;
1. a first fixing plate; 2. a second fixing plate; 3. a housing; 4. a first connecting plate; 5. a second connecting plate; 6. a rotating shaft; 7. a heat dissipation copper pipe; 8. a support frame; 9. a motor; 10. a transmission gear; 11. a first telescopic rod; 12. a second telescopic rod; 13. locking the bolt; 14. a limiting block; 15. a support pillar; 16. a card slot; 17. and (6) water changing holes.
Detailed Description
The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.
Combine attached figure 1 ~ 6 a ten thousand million net floodgate protection device, including first fixed plate 1, second fixed plate 2 and casing 3, first fixed plate 1 and second fixed plate 2 correspond the setting, are equipped with four support columns 15 on the first fixed plate 1, casing 3 constitutes for soft materials, and 3 covers of casing are established on four support columns 15, be equipped with on the first fixed plate 1 and be used for driving casing 3 around the radiating elevating system of support column 15 outer peripheral face, the bottom of first fixed plate and second fixed plate 2 all is equipped with and is used for strengthening the radiating elevating system of net floodgate.
The driving device is composed of a support frame 8, a motor 9 and transmission teeth 10, a rotation groove is formed in the first fixing plate 1, the transmission teeth 10 are arranged in the rotation groove, the support frame 8 is arranged at the top of the first fixing plate 1, the motor 9 is arranged on the support frame 8, an output shaft of the motor 9 vertically extends downwards to the rotation groove, the output shaft of the motor 9 is connected with the transmission teeth 10, the transmission teeth 10 synchronously rotate with the output shaft of the motor 9, and the transmission teeth 10 rotate to drive the shell 3 to rotate.
One end of the shell 3 is provided with a clamping groove 16, the peripheral surface of the transmission gear 10 is provided with a clamping tooth, and the clamping groove 16 is matched with the clamping tooth.
The top of the first fixing plate 1 and the second fixing plate 2 is provided with at least one cooling device for cooling the shell 3.
The heat sink comprises first connecting plate 4, second connecting plate 5, axis of rotation 6 and heat dissipation copper pipe 7, the top of first fixed plate 1 is equipped with first connecting plate 4, and the top of second fixed plate 2 is equipped with second connecting plate 5, first connecting plate 4 and the corresponding setting of second connecting plate 5, the both ends of heat dissipation copper pipe 7 all are equipped with axis of rotation 6, all be equipped with the rotation groove on first connecting plate 4 and the second connecting plate 5, axis of rotation 6 is located the rotation inslot rotation, heat dissipation copper pipe 7 rotates in the middle of being located first connecting plate 4 and the second connecting plate 5 through axis of rotation 6, heat dissipation copper pipe 7 rotates along the central axis of self.
The heat dissipation copper pipe 7 is a cylindrical hollow structure, a cavity for storing liquid is arranged in the middle of the heat dissipation copper pipe 7, a water changing hole 17 which is sunken inwards is formed in the outer peripheral surface of the heat dissipation through hole, the water changing hole 17 is communicated with the inside of the cavity, and a threaded connection sealing plug is assembled on the water changing hole 17.
The heat dissipation copper pipe 7 is made of a tube, the heat dissipation copper pipe 7 rolls in the moving process of the shell 3, and the liquid in the heat dissipation copper pipe 7 can continuously cool the shell 3.
The lifting mechanism is composed of a first telescopic rod 11, a second telescopic rod 12 and a locking bolt 13, the top of the first telescopic rod 11 is connected with the bottom of the first fixing plate 1, the second telescopic rod 12 is of a hollow structure, the bottom of the first telescopic rod 11 is located inside the second telescopic rod 12, the first telescopic rod 11 and the second telescopic rod 12 are in sliding connection, an adjusting hole is formed in the outer peripheral surface of the second telescopic rod 12 and communicated with the inside of the second telescopic rod 12, and the locking bolt 13 in threaded connection is assembled in the adjusting hole; the first fixing plate 1 and the second fixing bar are correspondingly provided with lifting mechanisms.
The control circuit of the motor is as follows: QS is a breaker, KM1 is a forward rotation contactor, KM2 is a reverse rotation contactor, FR is a thermal relay, SB1 is a stop button, SB2 is a forward rotation start button, SB3 is a reverse rotation start button, SB2, KM1, SB3 and KM2 are in an off state when the QS breaker is closed, a forward rotation contact coil and a reverse rotation contact coil are not electrified, so that the motor is in a stagnation state, when the forward rotation start button SB2 is pressed down, the KM1 coil is electrified and attracted, a KM1 main contact is closed, the motor rotates forwards, when SB2 is released, a KM1 normally open auxiliary contact is closed, the KM1 contactor is self-locked, the motor keeps rotating forwards, when the stop button SB1 is pressed down, a closing point is opened, the contactor is released, the motor stops, and if the motor is blocked or the thermal relay FR acts, the FR normally closed point is opened, and the motor stops no matter whether the forward rotation contactor or the reverse contactor.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A ten-gigabit gatekeeper protection device is characterized in that: including first fixed plate (1), second fixed plate (2) and casing (3), first fixed plate (1) and second fixed plate (2) correspond the setting, are equipped with four support columns (15) on first fixed plate (1), casing (3) constitute for soft material, and casing (3) cover is established on four support columns (15), be equipped with on first fixed plate (1) and be used for driving casing (3) around support column (15) outer peripheral face pivoted drive arrangement, the bottom of first fixed plate and second fixed plate (2) all is equipped with and is used for strengthening the radiating elevating system of gatekeeper.
2. The gigabit gatekeeper as claimed in claim 1, wherein: drive arrangement is by support frame (8), motor (9) and driving gear (10), be provided with on first fixed plate (1) and rotate the groove, it is provided with driving gear (10) to rotate the inslot, the top of first fixed plate (1) is equipped with support frame (8), is equipped with motor (9) on support frame (8), the perpendicular downwardly extending of output shaft of motor (9) rotates the inslot, the output shaft of motor (9) is connected with driving gear (10), and driving gear (10) rotate with the output shaft synchronization of motor (9), drive casing (3) when driving gear (10) rotate and rotate.
3. The gigabit gatekeeper as claimed in claim 2, wherein: one end of the shell (3) is provided with a clamping groove (16), the peripheral surface of the transmission gear (10) is provided with a latch, and the clamping groove (16) is assembled with the latch.
4. The gigabit gatekeeper as claimed in claim 3, wherein: the top of the first fixing plate (1) and the second fixing plate (2) is provided with at least one cooling device for cooling the shell (3).
5. The gigabit gatekeeper as claimed in claim 4, wherein: the cooling device comprises a first connecting plate (4), a second connecting plate (5), a rotating shaft (6) and a heat dissipation copper pipe (7), wherein the top of the first fixing plate (1) is provided with the first connecting plate (4), the top of the second fixing plate (2) is provided with the second connecting plate (5), the first connecting plate (4) and the second connecting plate (5) are correspondingly arranged, the rotating shaft (6) is arranged at each of two ends of the heat dissipation copper pipe (7), rotating grooves are formed in the first connecting plate (4) and the second connecting plate (5), the rotating shaft (6) is located in the rotating grooves, the heat dissipation copper pipe (7) is located in the middle of the first connecting plate (4) and the second connecting plate (5) through the rotating shaft (6) to rotate, and the heat dissipation copper pipe (7) rotates along the central axis of the heat dissipation copper pipe (7).
6. The gigabit gatekeeper as claimed in claim 5, wherein: the heat dissipation copper pipe (7) are cylinder type hollow structure, be equipped with the cavity that is used for storing liquid in the middle of heat dissipation copper pipe (7), be equipped with on the outer peripheral face of heat dissipation through-hole and trade water hole (17) to inside sunken, trade water hole (17) and cavity inside and be linked together, it is equipped with the threaded connection sealing plug to trade to join in marriage on water hole (17).
7. The gigabit gatekeeper according to any one of claims 1 to 6, wherein: elevating system comprises first telescopic link (11), second telescopic link (12) and locking bolt (13), the top of first telescopic link (11) is connected with the bottom of first fixed plate (1), second telescopic link (12) are hollow structure, and the bottom of first telescopic link (11) is located inside second telescopic link (12), and first telescopic link (11) are sliding connection with second telescopic link (12), be equipped with the regulation hole on the outer peripheral face of second telescopic link (12), it is linked together with second telescopic link (12) inside to adjust the hole, threaded connection's locking bolt (13) are furnished with in the regulation hole.
8. The gigabit gatekeeper as recited in claim 7, wherein: the control circuit of the motor (9) is as follows: QS is a breaker, KM1 is a forward rotation contactor, KM2 is a reverse rotation contactor, FR is a thermal relay, SB1 is a stop button, SB2 is a forward rotation start button, SB3 is a reverse rotation start button, SB2, KM1, SB3 and KM2 are in an open state when the QS breaker is closed, no matter the forward rotation contact coil or the reverse rotation contact coil is powered, so that the motor (9) is in a stop state, when the forward rotation start button SB2 is pressed, the KM1 coil is powered and attracted, a main contact of KM1 is closed, the motor (9) rotates forward, when SB2 is released, the KM1 normally open auxiliary contact is closed, the KM1 contactor is self-locked, the motor (9) keeps rotating forward, when the stop button SB1 is pressed, a closed point is opened, the contactor is released, the motor (9) stops, and if the motor (9) blocks rotation or the thermal relay FR acts, the FR normally closed point is opened, and the contactor stops no matter whether the motor (9) stops.
Priority Applications (1)
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CN202210017264.2A CN114449367A (en) | 2022-01-07 | 2022-01-07 | Ten-thousand-million network gate protection device |
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CN202210017264.2A CN114449367A (en) | 2022-01-07 | 2022-01-07 | Ten-thousand-million network gate protection device |
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CN202210017264.2A Pending CN114449367A (en) | 2022-01-07 | 2022-01-07 | Ten-thousand-million network gate protection device |
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Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2648972A1 (en) * | 2007-12-24 | 2009-06-24 | Yaron Mayer | System and method for improved electric cars and/or electric car batteries and/or improved infrastructures for recharging electric cars |
US20130135811A1 (en) * | 2010-07-21 | 2013-05-30 | Birchbridge Incorporated | Architecture For A Robust Computing System |
US20130201316A1 (en) * | 2012-01-09 | 2013-08-08 | May Patents Ltd. | System and method for server based control |
CN207218743U (en) * | 2017-09-20 | 2018-04-10 | 广州秦远信息科技有限公司 | A kind of safety isolation network gate |
CN109327447A (en) * | 2018-10-24 | 2019-02-12 | 江苏迈思普诺智能制造有限公司 | A kind of security isolation formula gateway device |
CN109640559A (en) * | 2018-12-30 | 2019-04-16 | 林国军 | A kind of artificial intelligence electric appliance pressure regulating device |
CN211429875U (en) * | 2020-01-10 | 2020-09-04 | 柳州市云奇伟业信息技术有限公司 | Safety isolation type network gate device |
CN211791860U (en) * | 2020-05-18 | 2020-10-27 | 济南慧天云海信息技术有限公司 | Industrial safety network gate |
CN213186160U (en) * | 2020-11-24 | 2021-05-11 | 山东中锶信息技术有限公司 | Ten-thousand million net floodgates |
US20210194514A1 (en) * | 2019-12-23 | 2021-06-24 | Veea Inc. | Expandable Architecture And Bus For Consumer Gateway |
CN213638666U (en) * | 2020-10-15 | 2021-07-06 | 天津格林恒业科技有限公司 | Net-gate machine box with good isolation effect |
CN213958011U (en) * | 2021-01-08 | 2021-08-13 | 天津众达智腾科技有限公司 | Novel net gate heat dissipation device |
CN214101992U (en) * | 2020-12-15 | 2021-08-31 | 云南电网有限责任公司信息中心 | Equipment for controlling data safety transmission based on network gate technology |
CN214412772U (en) * | 2021-04-20 | 2021-10-15 | 深圳市科地通信技术有限公司 | Assembling shell for gigabit Ethernet switch |
CN214901173U (en) * | 2021-06-02 | 2021-11-26 | 山西驰通科技有限公司 | Intelligent heat dissipation explosion-proof shell of mining ten-thousand-million looped network |
CN214960535U (en) * | 2021-06-24 | 2021-11-30 | 西安融达通信技术有限公司 | Protection device for video net floodgate host computer |
-
2022
- 2022-01-07 CN CN202210017264.2A patent/CN114449367A/en active Pending
Patent Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2648972A1 (en) * | 2007-12-24 | 2009-06-24 | Yaron Mayer | System and method for improved electric cars and/or electric car batteries and/or improved infrastructures for recharging electric cars |
US20130135811A1 (en) * | 2010-07-21 | 2013-05-30 | Birchbridge Incorporated | Architecture For A Robust Computing System |
US20130201316A1 (en) * | 2012-01-09 | 2013-08-08 | May Patents Ltd. | System and method for server based control |
CN207218743U (en) * | 2017-09-20 | 2018-04-10 | 广州秦远信息科技有限公司 | A kind of safety isolation network gate |
CN109327447A (en) * | 2018-10-24 | 2019-02-12 | 江苏迈思普诺智能制造有限公司 | A kind of security isolation formula gateway device |
CN109640559A (en) * | 2018-12-30 | 2019-04-16 | 林国军 | A kind of artificial intelligence electric appliance pressure regulating device |
US20210194514A1 (en) * | 2019-12-23 | 2021-06-24 | Veea Inc. | Expandable Architecture And Bus For Consumer Gateway |
CN211429875U (en) * | 2020-01-10 | 2020-09-04 | 柳州市云奇伟业信息技术有限公司 | Safety isolation type network gate device |
CN211791860U (en) * | 2020-05-18 | 2020-10-27 | 济南慧天云海信息技术有限公司 | Industrial safety network gate |
CN213638666U (en) * | 2020-10-15 | 2021-07-06 | 天津格林恒业科技有限公司 | Net-gate machine box with good isolation effect |
CN213186160U (en) * | 2020-11-24 | 2021-05-11 | 山东中锶信息技术有限公司 | Ten-thousand million net floodgates |
CN214101992U (en) * | 2020-12-15 | 2021-08-31 | 云南电网有限责任公司信息中心 | Equipment for controlling data safety transmission based on network gate technology |
CN213958011U (en) * | 2021-01-08 | 2021-08-13 | 天津众达智腾科技有限公司 | Novel net gate heat dissipation device |
CN214412772U (en) * | 2021-04-20 | 2021-10-15 | 深圳市科地通信技术有限公司 | Assembling shell for gigabit Ethernet switch |
CN214901173U (en) * | 2021-06-02 | 2021-11-26 | 山西驰通科技有限公司 | Intelligent heat dissipation explosion-proof shell of mining ten-thousand-million looped network |
CN214960535U (en) * | 2021-06-24 | 2021-11-30 | 西安融达通信技术有限公司 | Protection device for video net floodgate host computer |
Non-Patent Citations (2)
Title |
---|
郑炜;须文波;: "物理隔离网闸的设计与实现", 微计算机信息, no. 25, 10 September 2005 (2005-09-10) * |
陈征;刘刚杰;: "网闸在社保网络安全防护中的应用研究", 网络安全技术与应用, no. 08, 15 August 2008 (2008-08-15) * |
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