CN109714929A

CN109714929A - A kind of Intelligent campus management system offline cache terminal and method

Info

Publication number: CN109714929A
Application number: CN201910043198.4A
Authority: CN
Inventors: 颜燕娜; 邵梁
Original assignee: Zhejiang College of Construction
Current assignee: Zhejiang College of Construction
Priority date: 2019-01-17
Filing date: 2019-01-17
Publication date: 2019-05-03
Anticipated expiration: 2039-01-17
Also published as: CN109714929B

Abstract

The invention discloses a kind of Intelligent campus management system offline cache terminal and methods, including antistatic case, cavity is provided in antistatic case, storage rack is rotatably connected in cavity, storage rack includes column, cantilever and offline cache device, and the upper and lower ends of column are symmetrically arranged with sleeve, and cantilever is uniformly arranged in the outside circumference of column, offline cache device is provided with substrate in the inner circumference side of the through-hole in column between neighbouring two cantilevers.Its method includes: the processing of antistatic case, air intake passage and air-out passage installation, storage rack processing installation, terminal box installation and offline cache terminal trial operation.The present invention is not only convenient for the installing and dismounting of offline cache device, and substantially increases the heat dissipation effect inside antistatic case, extends the service life of offline cache terminal, realizes the highly integrated of offline cache device, increases use scope.

Description

A kind of Intelligent campus management system offline cache terminal and method

Technical field

The present invention relates to a kind of Intelligent campus management system offline cache terminal and methods.

Background technique

With the fast development of Internet technology, more and more data and resource are stored in the network clouds such as Cloud Server In end equipment, even program of present terminal of computing device usually requires to obtain related resource on network at runtime, And program can not normally obtain related resource then when Network status is poor, terminal of computing device can not access internet It is unable to run.Therefore network-caching mechanism is come into being, although offline cache may be implemented, due to the limitation of memory, big Offline cache be easy to cause the loss of data in the system of type.

Summary of the invention

Present invention aims at provided for deficiency of the prior art a kind of Intelligent campus management system with from The technical solution of line caching terminal and method is not only convenient for the installing and dismounting of offline cache device by the design of storage rack, and The heat dissipation effect inside antistatic case is substantially increased, the service life of offline cache terminal is extended, when needs are installed or are removed When some off-line store, only corresponding offline cache device need to be turned into outside by column, it is easy to maintenance quick, The offline cache device laid compared to existing level or vertically, using more flexible convenience, while realizing the height of offline cache device Degree is integrated, increases use scope, this is simple using step, be not only able to satisfy different campus data offline preservation log-on message, Form data is temporary, document caches, and again when preview document, then does not need to be replaced again, directly in local reading, speed is non- It is often fast, and support the storage of suspension message, offline message access, local data outline management, online message automatic synchronization, network The advantages of state automatically selects, and since the memory size of single offline cache unit is smaller, it can achieve number by integrated The demand used according to library, filling when corresponding offline cache device memory makes only be replaced, convenient to use.

In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:

A kind of Intelligent campus management system offline cache terminal, it is characterised in that: including antistatic case, in antistatic case Be provided with cavity, be rotatably connected to storage rack in cavity, storage rack includes column, cantilever and offline cache device, column up and down Both ends are symmetrically arranged with sleeve, are provided with through-hole in sleeve and column, are provided with ring on the lateral surface for the sleeve being located above Shape rack gear, the side of annular rack are provided with driving motor, driving gear, driving gear and annular tooth are connected on driving motor Item intermeshing, cantilever is uniformly arranged in the outside circumference of column, offline cache device be located at neighbouring two cantilevers it Between, it is provided with substrate in the inner circumference side of the through-hole in column, terminal box is provided on the top surface of antistatic case, terminal box Bottom end penetrates through-hole by the first conducting wire and connect respectively with substrate；By the design of storage rack, it is not only convenient for offline cache device Installing and dismounting, and the heat dissipation effect inside antistatic case is substantially increased, extend the service life of offline cache terminal, when need When installing or remove some off-line store, only corresponding offline cache device need to be turned into outside by column, Offline cache device that is easy to maintenance quick, laying compared to existing level or vertically, using more flexible convenience, while realize from Line buffer it is highly integrated, increase use scope, sleeve improve column rotation when stability and reliability, prevent It tilts and the inner wall of cantilever or offline cache device and cavity is caused to collide, while being convenient for the installing and dismounting of entire storage rack, Driving gear rotation is driven by driving motor, and then drives annular rack to follow and rotates together, realizes the rotation of column, cantilever The support positioning action to offline cache device can be played, occur loosening after preventing offline cache device from installing and influence data from Line caches effect, and the offline cache device after clamping is attached by the first socket and the second socket with substrate, improves data The stability and reliability of transmission.

Further, it is rotatably connected to protective door on the leading flank of antistatic case, display is provided on the lateral surface of protective door Screen and key, key are located at the lower section of display screen, knob are provided on protective door, and protective door can not only play protection storage rack Effect, and can be in order to be repaired to storage rack, display screen can carry out the working condition of each offline cache device It has been shown that, when a problem occurs, corresponding key will pass through flashing and operator reminded to need replacing maintenance, and knob is convenient for playing on or off Close protective door.

Further, be respectively arranged with air intake passage and air-out passage at left and right sides of antistatic case, air-out passage be located at into It is provided with the first filter screen on the lower section in wind channel, air intake passage and air-out passage, fan, fan are provided in air-out passage It is fixed by the bracket and is connected in air-out passage, after starting the fan in air-out passage, external cold wind passes through air intake passage Into in cavity, and the hot wind of inside cavity is discharged by air-out passage, realizes the Temperature fall inside antistatic case, extends electricity The service life of sub- components, the first filter screen can reduce extraneous dust impurity and enter in cavity.

Further, the second filter screen is symmetrically arranged at left and right sides of cavity, the aperture of the second filter screen is greater than the first mistake The aperture of strainer, the design of the second filter screen can increase the velocity of liquid assets of inside cavity gas, realize fast cooling.

Further, it is arranged fluted in the outside circumference of column, the second socket is provided in groove, the second socket passes through Second conducting wire connecting substrate, is provided with the first socket on the front end face of offline cache device, the first socket respectively with groove and second Socket matches, and by the design of the first socket and the second socket, the signal that may be implemented between offline cache device and substrate connects It connects, convenient for carrying out signal connection by substrate terminal box.

Further, limiting slot is provided on cantilever, offline cache device matches with limiting slot, can by the design of limiting slot To carry out Set and Positioning to offline cache device, stability and reliability after improving the installation of offline cache device prevent loosening And influence the caching of off-line data.

Further, be provided with indicator light on the end face of cantilever, indicator light by privates connecting substrate, limiting slot it is interior The second metal contact piece is provided on side, the second metal contact piece passes through privates connecting substrate, is provided on offline cache device First metal contact piece, the first metal contact piece match with the second metal contact piece, when being fitted without offline cache device on cantilever, refer to Show that lamp is shown in red, after being inserted into offline cache device, is contacted by the first metal contact piece with the second metal contact piece, circuit is led Logical, indicator light is shown in green, when offline cache device when something goes wrong, indicator light is shown in red, convenient for inquiry replacement.

Further, the rotational angle of storage rack is 0 °~180 °, and the design of this angle is not only convenient for offline to any one The installing and dismounting of buffer, and not will cause the winding of column inner lead.

Use a kind of method of such as above-mentioned Intelligent campus management system offline cache terminal, it is characterised in that including such as Lower step:

1) antistatic case is processed

A, the size for determining antistatic case according to the design requirement of drawing first is formed required by moulding by casting Antistatic case, and grinding process is carried out to the surfaces externally and internally of antistatic case, one layer of antistatic finishing coat is coated further along surfaces externally and internally, Until drying completely, Anti-static paint has many advantages, such as antistatic, dust-fast, mould proof, acid and alkali-resistance；

B, be then symmetrically installed the second filter screen at left and right sides of the cavity in antistatic case, the surrounding of the second filter screen with The medial surface of cavity is fixedly connected, and is guaranteed that the second filter screen is smooth vertically, can be increased the velocity of liquid assets of air, is reduced anti- Temperature inside electrostatic case extends the service life of electronic component；

C, grinding process then is carried out to the opening on the leading flank of antistatic case, is made according to the size of opening corresponding Protective door, and display screen, key and knob, the protective door that will be processed are installed on the lateral surface of protective door according to design requirement It is rotatably installed in opening, is closed completely protective door with opening；

D, limit hole is finally drilled through respectively in the top and bottom of cavity, be located at limit hole in cavity top and bottom At the heart, cavity is cleared up after processing, limit hole improves stabilization of the storage rack in rotation convenient for limiting to storage rack Property and reliability；

2) air intake passage and air-out passage are installed

A, the set height position of air intake passage is determined in the left side of antistatic case according to design requirement first, and opens up square The air inlet of shape is connected to air inlet with cavity by air intake passage, further along vertically-mounted first filter screen of air inlet, protects The first filter screen is demonstrate,proved to flush with the side wall of antistatic case；

B, the set height position of air-out passage then is determined on the right side of antistatic case, and open up rectangular-shaped outlet air Mouthful, fan is installed by bracket in air-out passage, is connected to air outlet with cavity by air-out passage, it is perpendicular further along air outlet The first filter screen of straight installation guarantees that the first filter screen is flushed with the side wall of antistatic case；

C, threading hole finally is opened up at the end face center of antistatic case；

3) storage rack processing installation

A, the size for determining storage rack according to the size of cavity first makes the column of corresponding height, along column Central axes drill through through-hole, by the uniform installation base plate of design requirement after polishing through-hole, and reserved on each substrate First conducting wire is suspended in the top export of through-hole by the first conducting wire；

B, the sleeve that appropriate length is then selected according to the height of cavity entirety, drills through through-hole along the central axes of sleeve, Two sleeves after processing are symmetrically mounted on to the upper and lower ends of column, the first conducting wire are pierced by from the sleeve top of top, really The length holding relaxation of 15~20cm is reserved after protecting the installation of the first conducting wire, while annular tooth being installed on sleeve lateral surface above Item；

C, the length and thickness of cantilever are determined then according to the whole design size of storage rack, and according to offline cache device Size opens up limiting slot on cantilever, and the cantilever processed is uniformly installed along the outside circumference of column, guarantees level side To each cantilever be located in the same horizontal plane, each cantilever of vertical direction each other concentric circles be distributed, at the end of each cantilever Indicator light is installed on face, by indicator light by privates connecting substrate, the touching of the second metal is installed along the medial surface of limiting slot Piece, the second metal contact piece pass through privates connecting substrate；

D, groove is uniformly opened up along the lateral surface of column further according to the spacing of each cantilever in-between, in each groove The second socket of interior installation makes the second socket connect the substrate of corresponding position by the second conducting wire, installs to the second all sockets After, entire storage rack is put into cavity vertically, is inserted into two sleeves of storage rack respectively in corresponding limit hole, hand Turn moves storage rack, stability when observation storage rack rotates；

D, driving motor finally is installed at the top of antistatic case, and connects driving gear on driving motor, make actively Gear and annular rack are intermeshed；

4) terminal box is installed

The size of terminal box is determined according to the installation number of offline cache device first, then the first conducting wire is worn from threading hole It is fixedly connected out with the setting connection jaws in terminal box, startup power supply, observes the indicator light on display screen and each cantilever Operating condition, indicator light is shown in red, is again fixedly mounted on terminal box on the top surface of antistatic case after all qualified, more First conducting wire of remaining length is put into the through-hole of sleeve；

5) offline cache terminal trial operation

A, after the installation is completed to entire offline cache terminal, first power on, then required offline cache device is successively pacified On storage rack in corresponding position, after offline cache device is fully inserted into along the limiting slot on cantilever, offline cache device On the second socket in the first socket insertion groove of end, while the first metal contact piece and the second metal on offline cache device Contact pad, indicator light is shown in green, until all offline cache devices install；

B, protective door is then shut, the storing data of each offline cache device of observation display screen display, some is offline When something goes wrong, corresponding storing data stops bounce to buffer on display screen, and corresponding key starts flashing bounce, presses Corresponding key down, driving motor rotates driving gear rotation, then drives column rotation by annular rack, makes corresponding offline slow Storage turns to the side of protective door, opens protective door, carries out replacement to the offline cache device that indicator light is red or inserts again Enter, keeps indicator light shown in green, shut protective door.

Use step of the invention is simple, is not only able to satisfy offline preservation log-on message, the list number of different campus data According to temporary, document caching, again when preview document, then do not need to be replaced again, directly in local reading, speed is very fast, And support the storage of suspension message, offline message access, local data outline management, online message automatic synchronization, network state The advantages of automatically selecting, and since the memory size of single offline cache unit is smaller, it can achieve database by integrated The demand used, filling when corresponding offline cache device memory makes only be replaced, convenient to use.

The present invention is by adopting the above-described technical solution, have the advantages that

1, by the design of storage rack, it is not only convenient for the installing and dismounting of offline cache device, and substantially increases antistatic Heat dissipation effect inside case extends the service life of offline cache terminal, when some off-line store is installed or removed to needs When, only corresponding offline cache device need to be turned into outside by column, it is easy to maintenance quick, compared to existing level or The offline cache device laid vertically using more flexible convenience, while realizing the highly integrated of offline cache device, increases and uses model It encloses.

2, sleeve improves the stability and reliability when column rotates, and prevents to tilt and cause cantilever or offline slow The inner wall of storage and cavity collides, while being convenient for the installing and dismounting of entire storage rack.

3, driving gear rotation is driven by driving motor, and then drives annular rack to follow and rotates together, realize column Rotation.

4, cantilever can play the support positioning action to offline cache device, loosen after preventing offline cache device from installing And the offline cache effect of data is influenced, the offline cache device after clamping is connected by the first socket and the second socket with substrate It connects, improves the stability and reliability of data transmission.

5, use step of the invention is simple, is not only able to satisfy offline preservation log-on message, the list of different campus data Data are temporary, document caches, and again when preview document, then do not need to be replaced again, directly in local reading, speed is very Fastly, and suspension message storage, offline message access, local data outline management, online message automatic synchronization, network-like is supported The advantages of state automatically selects, and since the memory size of single offline cache unit is smaller, it can achieve data by integrated The demand that library uses, filling when corresponding offline cache device memory makes only be replaced, convenient to use.

Detailed description of the invention:

The present invention will be further explained below with reference to the attached drawings:

Fig. 1 is the effect of offline cache terminal in a kind of Intelligent campus management system offline cache terminal of the present invention and method Fruit figure；

Fig. 2 is effect picture when protective door is opened in the present invention；

Fig. 3 is schematic diagram of internal structure of the invention；

Fig. 4 is the structural schematic diagram of storage rack in the present invention；

Fig. 5 is the connection schematic diagram of offline cache device in the present invention；

Fig. 6 is the partial enlarged view in Fig. 5 at I.

In figure: 1- antistatic case；2- terminal box；3- protective door；4- display screen；5- key；6- knob；7- first is filtered Net；8- cavity；The second filter screen of 9-；10- storage rack；11- air intake passage；12- air-out passage；13- fan；14- driving motor； 15- driving gear；16- column；17- sleeve；18- through-hole；19- annular rack；20- cantilever；21- offline cache device；22- instruction Lamp；23- limiting slot；The first socket of 24-；25- groove；The second socket of 26-；27- substrate；The first metal contact piece of 28-；29- second Metal contact piece.

Specific embodiment

It as shown in Figures 1 to 6, is a kind of Intelligent campus management system offline cache terminal of the present invention, including antistatic Case 1 is rotatably connected to protective door 3 on the leading flank of antistatic case 1, display screen 4 and key is provided on the lateral surface of protective door 3 5, key 5 is located at the lower section of display screen 4, and knob 6 is provided on protective door 3, and protective door 3 can not only play protection storage rack 10 Effect, and can be in order to be repaired to storage rack 10, display screen 4 can be by the working condition of each offline cache device 21 It is shown, when a problem occurs, corresponding key 5 will pass through flashing and operator is reminded to need replacing maintenance, and knob 6 is convenient for beating Protective door 3 is closed on or off.

The left and right sides of antistatic case 1 is respectively arranged with air intake passage 11 and air-out passage 12, air-out passage 12 be located at into It is provided with the first filter screen 7 on the lower section in wind channel 11, air intake passage 11 and air-out passage 12, is provided in air-out passage 12 Fan 13, fan 13, which is fixed by the bracket, to be connected in air-out passage 12, external after starting fan 13 in air-out passage 12 Cold wind entered in cavity 8 by air intake passage 11, and hot wind cavity 8 inside is discharged by air-out passage 12, realize prevent it is quiet Temperature fall inside electronic box 1, extends the service life of electronic component, and the first filter screen 7 can reduce extraneous grey trifle in the world Matter enters in cavity 8, and the left and right sides of cavity 8 is symmetrically arranged with the second filter screen 9, and the aperture of the second filter screen 9 is greater than first The aperture of filter screen 7, the design of the second filter screen 9 can increase the velocity of liquid assets of 8 internal gas of cavity, realize fast cooling.

Be provided with cavity 8 in antistatic case 1, be rotatably connected to storage rack 10 in cavity 8, storage rack 10 include column 16, Cantilever 20 and offline cache device 21, the upper and lower ends of column 16 are symmetrically arranged with sleeve 17, are respectively provided in sleeve 17 and column 16 There is through-hole 18, annular rack 19 is provided on the lateral surface for the sleeve 17 being located above, the side of annular rack 19 is provided with drive Motor 14 is moved, driving gear 15 is connected on driving motor 14, driving gear 15 and annular rack 19 are intermeshed, and cantilever 20 is equal In the even outside circumference that column 16 is arranged in, offline cache device 21 is between neighbouring two cantilevers 20, in column 16 Through-hole 18 inner circumference side on be provided with substrate 27, terminal box 2, the bottom of terminal box 2 are provided on the top surface of antistatic case 1 End penetrates through-hole 18 by the first conducting wire and connect respectively with substrate 27, is arranged fluted 25 in the outside circumference of column 16, recessed The second socket 26 is provided in slot 25, the second socket 26 passes through the second conducting wire connecting substrate 27, the front end face of offline cache device 21 On be provided with the first socket 24, the first socket 24 matches with groove 25 and the second socket 26 respectively, passes through 24 He of the first socket The signal connection between offline cache device 21 and substrate 27 may be implemented, convenient for connecing by substrate 27 in the design of second socket 26 Wire box 2 carries out signal connection.

Limiting slot 23 is provided on cantilever 20, offline cache device 21 matches with limiting slot 23, passes through setting for limiting slot 23 Meter can carry out Set and Positioning to offline cache device 21, improve stability and reliability after offline cache device 21 is installed, prevent Occur loosening and influencing the caching of off-line data, is provided with indicator light 22 on the end face of cantilever 20, indicator light 22 is led by third Line connecting substrate 27, the second metal contact piece 29 is provided on the medial surface of limiting slot 23, and the second metal contact piece 29 is led by the 4th Line connecting substrate 27 is provided with the first metal contact piece 28, the first metal contact piece 28 and the second metal contact piece on offline cache device 21 29 match, and when being fitted without offline cache device 21 on cantilever 20, indicator light 22 is shown in red, when insertion offline cache device After 21, contacted by the first metal contact piece 28 with the second metal contact piece 29, circuit conducting, indicator light 22 is shown in green, when from When something goes wrong, indicator light 22 is shown in red for line buffer 21, convenient for inquiry replacement.

The rotational angle of storage rack 10 is 0 °~180 °, and the design of this angle is not only convenient for any one offline cache device 21 installing and dismounting, and not will cause the winding of 16 inner lead of column.

By the design of storage rack 10, be not only convenient for the installing and dismounting of offline cache device 21, and substantially increase prevent it is quiet Heat dissipation effect inside electronic box 1 extends the service life of offline cache terminal, when some offline storage is installed or removed to needs When device, only corresponding offline cache device 21 need to be turned into outside by column 16, it is easy to maintenance quick, compared to existing The offline cache device 21 of horizontal or vertical laying using more flexible convenience, while realizing the highly integrated of offline cache device 21, Increase use scope, sleeve 17 improves the stability and reliability when column 16 rotates, and prevents to tilt and cause cantilever 20 or offline cache device 21 and the inner wall of cavity 8 collide, while being convenient for the installing and dismounting of entire storage rack 10, pass through driving Motor 14 drives driving gear 15 to rotate, and then drives annular rack 19 to follow and rotate together, and realizes the rotation of column 16, cantilever 20 can play the support positioning action to offline cache device 21, occur loosening and influencing number after preventing offline cache device 21 from installing According to offline cache effect, the offline cache device 21 after clamping connected by the first socket 24 and the second socket 26 with substrate 27 It connects, improves the stability and reliability of data transmission.

Using a kind of such as above-mentioned Intelligent campus management system method of offline cache terminal, include the following steps:

1) antistatic case is processed

A, the size for determining antistatic case 1 according to the design requirement of drawing first, needed for being formed by moulding by casting Antistatic case 1, and to the surfaces externally and internally of antistatic case 1 carry out grinding process, coat one layer of antistatic further along surfaces externally and internally Finishing coat, until drying completely, Anti-static paint has many advantages, such as antistatic, dust-fast, mould proof, acid and alkali-resistance；

B, then it is symmetrically installed the second filter screen 9 at left and right sides of the cavity 8 in antistatic case 1, the four of the second filter screen 9 Week and the medial surface of cavity 8 are fixedly connected, and are guaranteed that the second filter screen 9 is vertical smooth, can be increased the velocity of liquid assets of air, The temperature inside antistatic case 1 is reduced, the service life of electronic component is extended；

C, grinding process then is carried out to the opening on the leading flank of antistatic case 1, is made according to the size of opening corresponding Protective door 3, and display screen 4, key 5 and knob 6 are installed according to design requirement on the lateral surface of protective door 3, will process Protective door 3 be rotatably installed in opening, be closed completely protective door 3 with opening；

D, limit hole is finally drilled through respectively in the top and bottom of cavity 8, limit hole is made to be located at 8 top and bottom of cavity At center, cavity 8 is cleared up after processing, limit hole improves storage rack 10 and rotating convenient for limiting to storage rack 10 When stability and reliability；

2) air intake passage and air-out passage are installed

A, the set height position of air intake passage 11 is determined in the left side of antistatic case 1 according to design requirement first, and opened If rectangular-shaped air inlet, it is connected to air inlet with cavity 8 by air intake passage 11, further along vertically-mounted first mistake of air inlet Strainer 7 guarantees that the first filter screen 7 is flushed with the side wall of antistatic case 1；

B, it then on the right side of antistatic case 1 determines the set height position of air-out passage 12, and opens up rectangular-shaped to go out Fan 13 is installed by bracket in air-out passage 12 in air port, is connected to air outlet with cavity 8 by air-out passage 12, then edge Vertically-mounted first filter screen 7 of air outlet, guarantee the first filter screen 7 flushed with the side wall of antistatic case 1；

C, threading hole finally is opened up at the end face center of antistatic case 1；

3) storage rack processing installation

A, the size for determining storage rack 10 according to the size of cavity 8 first makes the column 16 of corresponding height, along The central axes of column 16 drill through through-hole 18, by the uniform installation base plate 27 of design requirement after polishing through-hole 18, and each The first conducting wire is reserved on substrate 27, the first conducting wire is suspended in the top export of through-hole 18；

B, it is then drilled through according to the sleeve 17 of the whole height selection appropriate length of cavity 8 along the central axes of sleeve 17 Two sleeves 17 after processing are symmetrically mounted on the upper and lower ends of column 16 by through-hole 18, by the first conducting wire from the sleeve of top 17 tops are pierced by, it is ensured that the length that 15~20cm is reserved after the installation of the first conducting wire keeps relaxation, while outside sleeve 17 above Annular rack 19 is installed on side；

C, the length and thickness of cantilever 20 are determined then according to the whole design size of storage rack 10, and according to offline cache The size of device 21 opens up limiting slot 23 on cantilever 20, and the cantilever 20 processed is uniformly pacified along the outside circumference of column 16 Dress, guarantees that each cantilever 20 of horizontal direction is located in the same horizontal plane, and concentric circles divides each cantilever 20 of vertical direction each other Cloth installs indicator light 22 on the end face of each cantilever 20, by indicator light 22 by privates connecting substrate 27, along limit The medial surface of slot 23 installs the second metal contact piece 29, and the second metal contact piece 29 passes through privates connecting substrate 27；

D, groove 25 is uniformly opened up along the lateral surface of column 16 further according to the spacing of each cantilever 20 in-between, every Second socket 26 is installed in a groove 25, the second socket 26 is made to connect the substrate 27 of corresponding position by the second conducting wire, to all The second socket 26 installation after, entire storage rack 10 is put into vertically in cavity 8, two sleeves 17 of storage rack 10 are divided It is not inserted into corresponding limit hole, rotates storage rack 10, stability when observation storage rack 10 rotates manually；

D, driving motor 14 finally is installed at the top of antistatic case 1, and connects driving gear 15 on driving motor 14, It is intermeshed driving gear 15 and annular rack 19；

4) terminal box is installed

Determine the size of terminal box 2 according to the installation number of offline cache device 21 first, then by the first conducting wire from threading hole In be pierced by and be fixedly connected with the setting connection jaws in terminal box 2, startup power supply is observed on display screen 4 and each cantilever 20 Indicator light 22 operating condition, indicator light 22 is shown in red, and terminal box 2 is fixedly mounted on antistatic again after all qualified On the top surface of case 1, the first conducting wire of additional length is put into the through-hole 18 of sleeve 17；

5) offline cache terminal trial operation

A, after the installation is completed to entire offline cache terminal, first power on, then successively by required offline cache device 21 It is mounted on storage rack 10 in corresponding position, after offline cache device 21 is fully inserted into along the limiting slot 23 on cantilever 20, On the second socket 26 in the first socket 24 insertion groove 25 of 21 end of offline cache device, while the on offline cache device 21 One metal contact piece 28 is contacted with the second metal contact piece 29, and indicator light 22 is shown in green, until all offline cache devices 21 are pacified It installs complete；

B, protective door 3 is then shut, the storing data of each offline cache device 21 shown on display screen 4 is observed, some When something goes wrong, corresponding storing data stops bounce to offline cache device 21 on display screen 4, and corresponding key 5 starts to dodge Corresponding key 5 is pressed in bright bounce, and driving motor 14 rotates driving gear 15 and rotates, then drives column 16 by annular rack 19 Rotation makes corresponding offline cache device 21 turn to the side of protective door 3, opens protective door 3, to indicator light 22 be it is red from Line buffer 21 is replaced or is reinserted, and keeps indicator light 22 shown in green, shuts protective door 3.

Use step of the invention is simple, is not only able to satisfy offline preservation log-on message, the list number of different campus data According to temporary, document caching, again when preview document, then do not need to be replaced again, directly in local reading, speed is very fast, And support the storage of suspension message, offline message access, local data outline management, online message automatic synchronization, network state The advantages of automatically selecting, and since the memory size of single offline cache unit is smaller, it can achieve database by integrated The demand used, filling when corresponding 21 memory of offline cache device makes only be replaced, convenient to use.

The above is only specific embodiments of the present invention, but technical characteristic of the invention is not limited thereto.It is any with this hair Based on bright, to realize essentially identical technical effect, made ground simple change, equivalent replacement or modification etc. are all covered Among protection scope of the present invention.

Claims

1. An offline cache terminal for a smart campus management system, characterized in that it comprises an anti-static box, a cavity is provided in the anti-static box, and a storage rack is rotatably connected in the cavity, and the storage rack includes A column, a cantilever and an offline buffer, the upper and lower ends of the column are symmetrically provided with sleeves, the sleeve and the column are provided with through holes, and the outer surface of the upper sleeve is provided with a ring A rack, one side of the ring rack is provided with a drive motor, the drive motor is connected with a driving gear, the driving gear and the ring rack are meshed with each other, and the cantilever is evenly arranged outside the column On the circumferential side, the offline buffer is located between the two adjacent cantilevers up and down, the inner circumferential side of the through hole in the column is provided with a substrate, and the top surface of the anti-static box is provided with a base plate. A junction box, wherein the bottom ends of the junction box are respectively connected to the substrate through the first wires passing through the through holes.

2 . The offline cache terminal for a smart campus management system according to claim 1 , wherein a protective door is rotatably connected to the front side of the anti-static box, and a display is provided on the outer side of the protective door. 3 . A screen and buttons are provided, the buttons are located below the display screen, and a handle is provided on the protective door.

3. The offline cache terminal for a smart campus management system according to claim 1, wherein the left and right sides of the anti-static box are respectively provided with an air inlet channel and an air outlet channel, and the air outlet channel is located in the Below the air inlet channel, both the air inlet channel and the air outlet channel are provided with a first filter screen, the air outlet channel is provided with a fan, and the fan is fixedly connected to the air outlet through a bracket. within the channel.

4 . The offline cache terminal for a smart campus management system according to claim 3 , wherein the left and right sides of the cavity are symmetrically provided with a second filter screen, and the aperture of the second filter screen is larger than that of all the filter screens. 5 . Describe the pore size of the first filter screen.

5. The offline cache terminal for a smart campus management system according to claim 1, wherein a groove is provided on the outer circumferential side of the column, and a second socket is provided in the groove, and the The second socket is connected to the substrate through a second wire, a first socket is provided on the front face of the offline buffer, and the first socket is matched with the groove and the second socket respectively.

6 . The offline cache terminal for a smart campus management system according to claim 1 , wherein a limit slot is provided on the cantilever, and the offline cache matches the limit slot. 7 .

7 . The offline cache terminal for a smart campus management system according to claim 6 , wherein: the end face of the cantilever is provided with an indicator light, and the indicator light is connected to the substrate through a third wire, and the A second metal contact piece is arranged on the inner surface of the limiting slot, the second metal contact piece is connected to the substrate through a fourth wire, and a first metal contact piece is arranged on the offline buffer, and the first metal contact piece is arranged on the off-line buffer. The contact piece is matched with the second metal contact piece.

8 . The offline cache terminal for a smart campus management system according to claim 1 , wherein the rotation angle of the storage rack is 0° to 180°. 9 .

9. use the method for offline cache terminal of a kind of smart campus management system as claimed in claim 1, it is characterized in that comprising the steps:

1) Anti-static box processing

a. First determine the size of the anti-static box according to the design requirements of the drawings, form the required anti-static box by casting, and polish the inner and outer surfaces of the anti-static box, and then coat a layer of anti-static along the inner and outer surfaces. topcoat until completely dry;

b. Then install the second filter screen symmetrically on the left and right sides of the cavity in the anti-static box, and the periphery of the second filter screen is fixedly connected with the inner side of the cavity to ensure that the second filter screen is vertical and flat;

c. Then grind the opening on the front side of the anti-static box, make a corresponding protective door according to the size of the opening, and install a display screen, buttons and handles on the outer side of the protective door according to the design requirements, The protective door is rotated and installed on the opening, so that the protective door and the opening are completely closed;

d. Finally, limit holes are drilled on the top and bottom surfaces of the cavity, so that the limit holes are located at the center of the top and bottom surfaces of the cavity, and the cavity is cleaned after processing;

2) Installation of air inlet channel and air outlet channel

a. First determine the set height position of the air inlet channel on the left side of the anti-static box according to the design requirements, and open a rectangular air inlet, so that the air inlet is connected to the cavity through the air inlet channel, and then vertically along the air inlet Install the first filter screen to ensure that the first filter screen is flush with the side wall of the anti-static box;

b. Then determine the set height position of the air outlet channel on the right side of the anti-static box, and open a rectangular air outlet. Install a fan in the air outlet channel through a bracket, so that the air outlet is connected to the cavity through the air outlet channel. Install the first filter screen vertically along the air outlet to ensure that the first filter screen is flush with the side wall of the anti-static box;

c. Finally, a threading hole is opened at the center of the top surface of the anti-static box;

3) Processing and installation of storage rack

a. First, determine the size of the storage rack according to the size of the cavity, make a column with a corresponding height, drill a through hole along the central axis of the column, grind the through hole and install the substrate evenly according to the design requirements, and install the substrate evenly according to the design requirements. A first wire is reserved on the substrate, and the first wire is suspended on the top outlet of the through hole;

b. Then select a sleeve with a suitable length according to the overall height of the cavity, drill a through hole along the central axis of the sleeve, install the two processed sleeves symmetrically on the upper and lower ends of the column, and connect the first wire from The top of the upper sleeve is pierced to ensure that the length of 15-20 cm is reserved for the first wire after installation to keep it loose, and at the same time, a ring gear rack is installed on the outer surface of the upper sleeve;

c. Then determine the length and thickness of the cantilever according to the overall design size of the storage rack, and set a limit slot on the cantilever according to the size of the offline buffer, and install the processed cantilever evenly along the outer circumference of the column to ensure the level Each cantilever in the direction is located in the same horizontal plane, and each cantilever in the vertical direction is distributed in concentric circles with each other. Install an indicator light on the end face of each cantilever, connect the indicator light to the substrate through a third wire, and install it along the inner side of the limit slot. a second metal contact piece, the second metal contact piece is connected to the substrate through a fourth wire;

d. According to the spacing between the top and bottom of each cantilever, grooves are evenly opened along the outer side of the column, and a second socket is installed in each groove, so that the second socket is connected to the substrate at the corresponding position through the second wire. After the second socket is installed, put the entire storage rack vertically into the cavity, insert the two sleeves of the storage rack into the corresponding limit holes respectively, rotate the storage rack manually, and observe the rotation of the storage rack. stability;

d. Finally, install the driving motor on the top of the anti-static box, and connect the driving gear to the driving motor, so that the driving gear and the ring rack are meshed with each other;

4) Junction box installation

First, determine the size of the junction box according to the number of offline buffers installed, and then pass the first wire through the threading hole and connect it to the set junction box on the junction box. The operation of the indicator light, the indicator light is red, and after all are qualified, the junction box is fixedly installed on the top surface of the anti-static box, and the first wire of excess length is put into the through hole of the sleeve;

5) Trial operation of offline cache terminal

a. After the entire offline cache terminal is installed, turn on the power first, and then install the required offline caches in the corresponding positions on the storage rack in turn. When the offline caches are completely inserted along the limit slots on the cantilever After that, the first socket at the end of the off-line register is inserted into the second socket in the groove, and the first metal contact on the off-line register is in contact with the second metal contact, and the indicator light turns green until all the off-line The cache installation is complete;

b. Then close the protective door and observe the stored data of each offline buffer displayed on the display screen. When a problem occurs in an offline buffer, the corresponding stored data on the display stops beating, and the corresponding button starts to flash and jump, press Press the corresponding button to drive the motor to rotate the driving gear, and then the ring rack drives the column to rotate, so that the corresponding offline buffer rotates to the side of the protective door, open the protective door, and replace the off-line buffer with red indicator light or Reinsert it so that the indicator light turns green, and close the protective door.