CN215497911U - Rack entrance guard's device based on 485 bus communication technology - Google Patents
Rack entrance guard's device based on 485 bus communication technology Download PDFInfo
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- CN215497911U CN215497911U CN202122028488.7U CN202122028488U CN215497911U CN 215497911 U CN215497911 U CN 215497911U CN 202122028488 U CN202122028488 U CN 202122028488U CN 215497911 U CN215497911 U CN 215497911U
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Abstract
The utility model discloses a 485 bus communication technology-based cabinet access control device, relates to the technical field of cabinets, and aims to solve the problem that a certain potential safety hazard exists in the existing cabinet. The intelligent temperature control system comprises a communication cabinet, wherein air inlets are symmetrically formed in cabinet plates on two sides of the communication cabinet, an air blowing structure contained in a temperature control mechanism is communicated and installed in the air inlets, the temperature control mechanism also comprises a temperature monitor installed at the inner top of the communication cabinet and a module group installed on one side wall, the module group comprises a temperature sensing module, a motor control module and a servo motor control module, a temperature control processor is installed on one side wall, which is located on the communication cabinet, of the outer side of the module group, an arc-shaped convex block is fixedly installed on the end, located on the inner side, penetrating through the right side door, of a lock shaft contained in a cabinet lock, a telescopic clamping structure is installed on the outer side of the arc-shaped convex block, the communication cabinet automatically blows and dissipates heat through a temperature control system, and meanwhile, the dust removal effect is achieved through blowing; the telescopic clamp structure is additionally arranged at the lock end, so that the stability of the cabinet lock and the firmness after locking are improved.
Description
Technical Field
The utility model relates to the technical field of cabinets, in particular to a cabinet access control device based on 485 bus communication technology.
Background
The traditional communication cabinet with a side-by-side door structure (hereinafter referred to as a side-by-side door communication cabinet) is generally arranged in an indoor machine room, as communication equipment can generate a large amount of heat in the operation process, the common communication cabinet only relies on an indoor air conditioner for cooling, and a cooling device carried by the cabinet has no adjustable function, the cooling effect is not ideal, and equipment is easy to generate heat to cause faults and fire disasters, thereby causing certain loss; meanwhile, a lock card in a lockset used by the double-door cabinet is easy to fall off after long service time and is not firm after locking, so that the cabinet cannot be locked or cannot meet the requirement of firm locking, and non-related personnel cannot be effectively prevented from entering the operation, so that certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the technical background, the utility model aims to provide a 485 bus communication technology-based cabinet access control device, which realizes that a communication cabinet automatically circulates up and down through a temperature control mechanism to blow and radiate equipment on an installation frame, stops working when the temperature is lower than a set value, achieves an energy-saving effect, and realizes a dust removal effect through blowing; and the stability of the cabinet lock and the firmness after locking are improved by additionally arranging the telescopic clamp structure at the lock end.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a485 bus communication technology-based cabinet access control device comprises a communication cabinet, wherein air inlets are symmetrically arranged on cabinet plates on two sides of the communication cabinet, air inlet shutters are arranged on the outer side of the air inlets, and an air blowing structure contained by a temperature control mechanism is installed in the inner portion of the air inlet in a communicated mode, the temperature control mechanism further comprises a module group installed on a temperature monitor at the top in the communication cabinet and a side wall, the module group comprises a temperature sensing module, a motor control module and a servo motor control module, a temperature control processor is arranged on the outer side of the module group and on one side wall of the communication cabinet, an acousto-optic alarm input module and a power module are respectively installed on one side of the temperature control processor, the communication cabinet is provided with two doors, namely a left side door and a right side door, a plurality of lock pin holes are arranged on the movable end face of the left side door, a cabinet lock is installed on the right side door, the lock shaft that the rack lock contained is being located and runs through fixed mounting has the arc lug on the inboard end of right side door, the arc lug outside is located install flexible card structure on the right side door, the siren is installed to communication rack top one side.
Furthermore, the retractable card structure comprises a retractable card box, a movable block, a plurality of groups of locking nails, a plurality of groups of compression springs and a card box cover.
Furthermore, the retractable card box is fixedly arranged on the right door plate, the movable block is internally provided with a transverse moving part, a plurality of groups of locking nails are fixedly arranged on one side face of the movable block and penetrate through a side wall of the retractable card box and a sealing plate of the right side door, and the locking nails are positioned on the movable block and a plurality of groups between side walls of the retractable card box and are provided with the compression springs, and the inner side end of the retractable card box is provided with the card box cover.
Further, the blowing structure includes tuber pipe, filter piece, first motor, fan and vortex structure.
Further, tuber pipe top one side is equipped with the half slot, install on the half slot filter the piece, it is equipped with the end to filter the piece top the inside center of tuber pipe is located filter the piece inboard and install through the motor dead lever first motor, install the first motor output the fan, install tuber pipe medial extremity the vortex structure.
Furthermore, the vortex structure contains multiunit vortex blade, telescopic link, servo motor and straight-teeth gear.
Further, the multiunit vortex blade both ends movable mounting be in on the inside wall of tuber pipe one end, the multiunit vortex blade middle part is close to the outside and is equipped with the through hole, install in the through hole the telescopic link is lieing in every vortex blade is last the below fixed mounting has fixed stopper on the telescopic link, just telescopic link top one side is equipped with the straight-tooth, vortex blade top is located the servo motor mount table is installed to tuber pipe one side, one side fixed mounting of servo motor mount table has servo motor, servo motor's output fixedly connected with the straight-tooth gear, the straight-tooth gear with the straight-tooth meshing installation.
Further, the servo motor is connected with the output end of the servo motor control module through a wire, the input end of the servo motor control module is connected with the output end of the temperature control processor through a wire, the first motor is connected with the output end of the motor control module through a wire, the input end of the motor control module is connected with the output end of the temperature control processor through a wire, the temperature monitor is connected with the input end of the temperature sensing module through a wire, the output end of the temperature sensing module is connected with the input end of the temperature control processor through a wire, the output end of the temperature control processor is connected with the input end of the sound-light alarm input module through a wire, and the output end of the sound-light alarm input module is connected with the input end of the alarm through a wire.
Further, an equipment mounting frame and a containing drain pan are respectively installed inside and at the top of the communication cabinet, a drain pipe is connected to one side of the containing drain pan, and the bottom of the communication cabinet is installed on the cabinet base.
Compared with the prior art, the utility model has the following advantages:
(1) in the utility model, a temperature monitor, a module group and a blowing structure are arranged in a communication cabinet, a power supply module, a temperature control processor, an alarm and an acousto-optic alarm input module are arranged outside the communication cabinet, when the temperature in the communication cabinet exceeds a set limit, the temperature monitor transmits a temperature signal to a temperature sensing module through a lead, the temperature sensing module converts the temperature signal and transmits the temperature signal to the temperature control processor through the lead, the temperature control processor transmits a control opening signal to a motor control module and a servo motor control module through the lead according to a set logic, the motor control module and the servo motor control module start a first motor and a servo motor to carry out rotary cooling work after receiving an opening message, at the moment, a fan driven by the first motor rotates at a high speed to suck outside air into an air port shutter, remove impurities and water vapor through a filter and blow to equipment on an equipment mounting rack in the communication cabinet through a turbulence structure, the vortex structure drives the telescopic link through servo motor drive straight-teeth gear and reciprocates, and the telescopic link promotes the multiunit vortex blade and constantly changes its angle of elevation, realizes controlling the export wind direction, can know the dust on equipment surface when reaching the cooling, reaches the effect of removing dust.
(2) According to the utility model, the telescopic clamping structure is arranged on the right side door at the inner side of the cabinet lock, the lock shaft contained in the cabinet lock is arranged in the telescopic clamping structure, the lock shaft is fixedly provided with the arc-shaped convex block at the inner side end penetrating through the right side door, the telescopic card box is arranged on the right side door at the outer side of the lock shaft, the movable block which moves transversely is arranged in the telescopic card box, a plurality of groups of lock nails are uniformly and fixedly arranged on one side surface of the movable block, a plurality of groups of compression springs are arranged on the plurality of groups of lock nails positioned between the movable block and one side wall of the telescopic card box, the outer lock handle is rotated after the cabinet lock is opened by a key to drive the lock shaft to rotate, the arc-shaped convex block at the inner side end of the lock shaft pushes the movable block to slide on the left side door, the movable block pushes the plurality of groups of lock nails to be inserted into the lock nail hole positioned on the left side door, the locking effect is realized, and the structure avoids the problems that the locking plate arranged at the inner side of the traditional lock shaft is easy to fall off and is infirm after locking, the stability of rack lock has been realized, the firm combination degree of left and right side cabinet door when having strengthened the locking simultaneously, has avoided the hidden danger that non-relevant personnel opened.
Drawings
Fig. 1 is a first perspective view provided in the embodiment of the present invention.
Fig. 2 is a perspective view of a second embodiment of the present invention.
Fig. 3 is a third perspective view provided in the embodiment of the present invention.
FIG. 4 is a perspective view of a retractable card according to an embodiment of the present invention;
fig. 5 is a first perspective view of a blowing mechanism according to an embodiment of the present invention.
Fig. 6 is a perspective view of the blowing mechanism of the present invention with the filter removed.
Fig. 7 is a block diagram of a temperature control structure according to an embodiment of the present invention.
In the figure: 1. a communication cabinet; 2. an air inlet; 3. a louver of the air inlet; 4. a temperature control processor; 5. an alarm; 501. an audible and visual alarm input module; 6. a drain pan; 601. a drain pipe; 7. a cabinet base; 8. a left side door; 801. a lock pin hole; 9. a right side door; 901. a sealing plate; 10. a cabinet lock; 11. a lock shaft; 1101. an arc-shaped bump; 12. a retractable card box; 13. a movable block; 14. locking nails; 15. a compression spring; 16. a box cover; 17. an equipment mounting rack; 18. an air duct; 1801. a semicircular groove; 19. a filter member; 1901. a tip; 20. a first motor; 2001. a motor fixing rod; 21. a fan; 22. a spoiler blade; 2201. a through hole; 23. a telescopic rod; 2301. fixing a limiting block; 2302. straight teeth; 24. a servo motor mounting table; 25. a servo motor; 26. a spur gear; 27. a temperature monitor; 28. a temperature sensing module; 29. a motor control module; 30. a servo motor control module; 31. and a power supply module.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
As shown in fig. 1-7, a 485 bus communication technology-based cabinet access control device comprises a communication cabinet 1, air inlets 2 are symmetrically arranged on cabinet plates at two sides of the communication cabinet 1, the air inlets 2 are circular, air inlet shutters 3 are arranged at the outer sides of the air inlets 2, and a blowing structure contained in a temperature control mechanism is arranged inside the air inlets in a communicating manner, the elevation angle of blades of the air inlet shutters 3 is downward, so that water drops can be prevented from entering, the temperature control mechanism further comprises a temperature monitor 27 arranged at the inner top of the communication cabinet 1 and a module group arranged on one side wall, the temperature monitor 27 is selected to be a large RS-WS485 type, the module group comprises a temperature sensing module 28, a motor control module 29 and a servo motor control module 30, a temperature control processor 4 is arranged on the outer side of the module group and is arranged on one side wall of the communication cabinet 1, an acousto-optic alarm input module 501 and a power module 31 are respectively arranged on one side of the temperature control processor 4, communication rack 1 is equipped with two opening doors and is left side door 8 and right side door 9 respectively, be equipped with multiunit lockpin hole 801 on the 8 movable side faces of left side door, install rack lock 10 on the right side door 9, the lock shaft 11 that rack lock 10 contained is located to run through right side door 9 inboard and serves fixed mounting have arc lug 1101, arc lug 1101 outside is located and installs flexible card structure on the right side door 9, siren 5 is installed to 1 top one side of communication rack, 14 one-to-one of lockpin that flexible card structure contained on multiunit lockpin hole 801 and the right side door 9, the diameter is the same with the size.
Temperature control principle: by installing the temperature monitor 27, the module group and the blowing structure inside the communication cabinet 1, installing the power module 31, the temperature control processor 4, the alarm 5 and the acousto-optic alarm input module 501 outside, when the temperature in the communication cabinet 1 exceeds the set limit, the temperature monitor 27 transmits the temperature signal to the temperature sensing module 28 through the wire, the temperature sensing module 28 converts the temperature signal and transmits the temperature signal to the temperature control processor 4 through the wire, the temperature control processor 4 transmits the control opening signal to the motor control module 28 and the servo motor control module 29 through the wire according to the set logic, the motor control module 28 and the servo motor control module 29 receive the opening information and then open the first motor 20 and the servo motor 25 for rotating and cooling, at the moment, the fan 21 driven by the first motor 20 rotates at a high speed to suck the outside air from the louver 3 and remove impurities and water vapor through the filter 19, after blow to the equipment on the equipment mounting bracket 17 in the communication rack 1 through the vortex structure, the vortex structure drives spur gear 26 through servo motor 25 and drives telescopic link 23 and reciprocates, and telescopic link 23 promotes multiunit vortex blade 22 and changes its angle of elevation constantly, realizes controlling the export wind direction, can know the dust on equipment surface when reaching the cooling, reaches the effect of dust removal.
The locking principle is as follows: by installing the retractable card structure on the right side door 9 at the inner side of the cabinet lock 10, the lock shaft 11 contained in the cabinet lock 10 is positioned in the retractable card structure, the lock shaft 11 is fixedly provided with an arc-shaped convex block 1101 on the inner side end penetrating through the right side door 9, the retractable card box 12 is arranged on the right side door 9 at the outer side of the lock shaft 11, the movable block 13 moving transversely is arranged in the retractable card box 12, a plurality of groups of locking nails 14 are uniformly and fixedly arranged on one side surface of the movable block 13, a plurality of groups of compression springs 15 are arranged on the plurality of groups of locking nails 14 positioned between the movable block 13 and one side wall of the retractable card box 12, the outer lock handle is rotated to drive the lock shaft to rotate after the cabinet lock 10 is opened by a key, the arc-shaped convex block 1101 at the inner side end of the lock shaft pushes the movable block 11 to slide towards the left side door 8, the movable block 13 pushes the plurality of groups of locking nails 14 to be inserted into the locking nail hole 801 positioned on the left side door 8, the locking effect is realized, and the structure avoids the problem that the locking plate installed at the inner side of the traditional lock shaft is easy to fall off and is infirm after being locked, the stability of rack lock has been realized, the firm combination degree of left and right side cabinet door when having strengthened the locking simultaneously, has avoided the hidden danger that non-relevant personnel opened.
As shown in fig. 3 and 4, the retractable card structure includes a retractable card box 12, a movable block 13, a plurality of sets of locking nails 14, a plurality of sets of compression springs 15, and a card box cover 16, wherein the card box cover 16 is fixedly mounted on the retractable card box 12 through screws.
As shown in fig. 3 and 4, the retractable card box 12 is fixedly installed on the right door 9 plate, and the movable block 13 moving transversely is installed inside, a plurality of sets of locking nails 14 are fixedly installed on one side surface of the movable block 13, the plurality of sets of locking nails 14 penetrate through one side wall of the retractable card box 12 and the sealing plate 901 of the right door 9, a plurality of sets of compression springs 15 are installed on the plurality of sets of locking nails 14 located between the movable block 13 and one side wall of the retractable card box 12, a card box cover 16 is installed at the inner side end of the retractable card box 12, and the locking nails 14 and the movable block 13 are made of stainless steel.
As shown in fig. 5 and 6, the blowing structure includes an air pipe 18, a filtering member 19, a first motor 20, a fan 21 and a turbulent flow structure, the air pipe 18 is fixedly mounted on a side wall inside the communication cabinet by welding or bolting, the bottom of the filtering member 19 is semicircular, and half jin equals to the inner diameter of the air pipe 18.
As shown in fig. 5 and 6, a semicircular groove 1801 is formed in one side of the top of the air pipe 18, a filter element 19 is installed on the semicircular groove 1801, an end 1901 is formed in the top of the filter element 19, a first motor 20 is installed at the inner center of the air pipe 18 and on the inner side of the filter element 19 through a motor fixing rod 2001, a fan 21 is installed at the output end of the first motor 20, a turbulence structure is installed at the inner side end of the air pipe 18, the width of the semicircular groove 1801 is equal to the thickness of the filter element 19, and the filter element 19 can be stably inserted into the semicircular groove 1801. The filtering effect is realized.
As shown in fig. 5 and 6, the spoiler structure comprises a plurality of groups of spoiler blades 22, a telescopic rod 23, a servo motor 25 and a straight gear 26, wherein the material of the spoiler blades 22 is made of plastic, the inner sides of the two ends of the spoiler blades 22 are inserted into holes reserved in the inner side of the air pipe 18 through fixing shafts, and one side of each spoiler blade 22 is fixed and has a rotating function.
As shown in fig. 5, 6, the both ends movable mounting of multiunit vortex blade 22 is on 18 one end inside walls of tuber pipe, multiunit vortex blade 22 middle part is close to the outside and is equipped with through hole 2201, install telescopic link 23 in the through hole 2201, fixed mounting has fixed stopper 2301 on the telescopic link 23 of being located every vortex blade 22 upper and lower place, and telescopic link 23 top one side is equipped with straight-tooth 2302, vortex blade 22 top is located tuber pipe 18 one side and installs servo motor mount table 24, one side fixed mounting of servo motor mount table 24 has servo motor 25, servo motor 25's output fixedly connected with straight-tooth gear 26, straight-tooth gear 26 and straight-tooth 2302 meshing installation, the diameter of through hole 2201 is far greater than the diameter of telescopic link 23, prevent the card condition of dying, but fixed stopper 2301 on the telescopic link 23 gets the diameter that the diameter is greater than through hole 2201, realize pushing function.
As shown in fig. 7, the servo motor 25 is connected to the output end of the servo motor control module 30 by a wire, the input end of the servo motor control module 30 is connected to the output end of the temperature control processor 4 by a wire, the first motor 20 is connected to the output end of the motor control module 29 by a wire, the input end of the motor control module 29 is connected to the output end of the temperature control processor 4 by a wire, the temperature monitor 27 is connected to the input end of the temperature sensing module 28 by a wire, the output end of the temperature sensing module 28 is connected to the input end of the temperature control processor 4 by a wire, the output end of the temperature control processor 4 is connected to the input end of the sound and light alarm input module 501 by a wire, the output end of the sound and light alarm input module 501 is connected to the input end of the alarm 5 by a wire, and the temperature control processor 4 has a plurality of output ends.
As shown in fig. 1, the inside and top of communication rack 1 are installed equipment fixing frame 17 and flourishing small opening plate 6 respectively, flourishing small opening plate 6 one side is connected with drain pipe 601, install on rack base 7 bottom communication rack 1, be equipped with a plurality of vaulting poles and fixed orifices on the equipment fixing frame 17, can adjust the vaulting pole interval according to the demand, make things convenient for equipment fixing, it is the application range in order to increase the communication rack to set up flourishing small opening plate simultaneously, partial computer lab or workshop top are equipped with fire sprinkler system or other liquid pipeline, for preventing the weeping, set up flourishing small opening plate 6 and protect communication rack 1, flourishing small opening plate 6 received water and discharges through the drain pipe 601 of one side simultaneously.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a rack entrance guard's device based on 485 bus communication technology, includes communication rack (1), its characterized in that: the utility model discloses a temperature control cabinet, including communication rack (1), temperature control mechanism, module group, audible-visual warning input module (501) and power module (31) are installed respectively to temperature control processor (4) one side, communication rack (1) is equipped with two doors and is left side door (8) and right side door (9) respectively, be equipped with multiunit locking nail hole (801) on the left side door (8) movable terminal surface, the air inlet (2) is installed in the air inlet (2) outside air outlet tripe (3) and the inside intercommunication installs the structure of blowing that temperature control mechanism contained, temperature control mechanism still includes installs the temperature monitor (27) and a side wall mounting at top in communication rack (1) have the module group, the module group contains temperature sensing module (28), motor control module (29) and servo motor control module (30) the module group outside is located communication rack (1) a side wall mounting has temperature control processor (4), audible-visual warning input module (501) and power module (31) are installed respectively to temperature control processor (4) one side, install rack lock (10) on right side door (9), lock axle (11) that rack lock (10) contained run through lieing in fixed mounting has arc lug (1101) on right side door (9) inboard end, arc lug (1101) outside is located install flexible card structure on right side door (9), siren (5) are installed to communication rack (1) top one side.
2. The 485-bus-communication-technology-based cabinet access control device according to claim 1, wherein the retractable card structure comprises a retractable card box (12), a movable block (13), a plurality of sets of locking pins (14), a plurality of sets of compression springs (15) and a card box cover (16).
3. The cabinet door control device based on the 485 bus communication technology as claimed in claim 2, wherein the retractable card box (12) is fixedly mounted on the right side door (9) plate, and the inside of the retractable card box is provided with the movable block (13) which can move transversely, a plurality of groups of locking nails (14) are fixedly mounted on one side face of the movable block (13), the plurality of groups of locking nails (14) penetrate through a side wall of the retractable card box (12) and a sealing plate (901) of the right side door (9), a plurality of groups of compression springs (15) are mounted on the locking nails (14) between the movable block (13) and one side wall of the retractable card box (12), and the card box cover (16) is mounted at the inner side end of the retractable card box (12).
4. The device of claim 1, wherein the blowing structure comprises an air duct (18), a filter element (19), a first motor (20), a fan (21), and a spoiler structure.
5. The cabinet door control device based on 485 bus communication technology of claim 4, wherein a semicircular groove (1801) is formed in one side of the top of the air pipe (18), the semicircular groove (1801) is provided with the filtering piece (19), an end head (1901) is arranged at the top of the filtering piece (19), the inner center of the air pipe (18) is located on the inner side of the filtering piece (19), the first motor (20) is installed through a motor fixing rod (2001), the fan (21) is installed at the output end of the first motor (20), and the turbulent flow structure is installed at the inner end of the air pipe (18).
6. The 485-bus-communication-technology-based cabinet access control device according to claim 5, wherein the spoiler structure comprises a plurality of groups of spoiler blades (22), a telescopic rod (23), a servo motor (25) and a spur gear (26).
7. The device of claim 6, wherein the two ends of the turbulence blades (22) are movably mounted on the inner side wall of one end of the air pipe (18), the middle of the turbulence blades (22) is provided with a through hole (2201) near the outer side, the telescopic rod (23) is installed in the through hole (2201), a fixed limiting block (2301) is fixedly mounted on the telescopic rod (23) above and below each turbulence blade (22), a straight tooth (2302) is arranged on one side above the telescopic rod (23), the top of the turbulence blade (22) is positioned on one side of the air pipe (18) and provided with a servo motor mounting table (24), one side of the servo motor mounting table (24) is fixedly mounted with the servo motor (25), and the output end of the servo motor (25) is fixedly connected with the straight tooth gear (26), the straight gear (26) is meshed with the straight gear (2302).
8. The 485 bus communication technology based cabinet entrance guard device according to claim 7, wherein the servo motor (25) is connected to the output end of the servo motor control module (30) through a wire, the input end of the servo motor control module (30) is connected to the output end of the temperature control processor (4) through a wire, the first motor (20) is connected to the output end of the motor control module (29) through a wire, the input end of the motor control module (29) is connected to the output end of the temperature control processor (4) through a wire, the temperature monitor (27) is connected to the input end of the temperature sensing module (28) through a wire, the output end of the temperature sensing module (28) is connected to the input end of the temperature control processor (4) through a wire, the output end of the temperature control processor (4) is connected to the input end of the acousto-optic alarm input module (501) through a wire, the output end of the sound-light alarm input module (501) is connected with the input end of the alarm (5) through a lead.
9. The cabinet access control device based on the 485 bus communication technology as claimed in claim 1, wherein an equipment mounting rack (17) and a drain pan (6) are respectively installed inside and at the top of the communication cabinet (1), a drain pipe (601) is connected to one side of the drain pan (6), and the bottom of the communication cabinet (1) is installed on a cabinet base (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122028488.7U CN215497911U (en) | 2021-08-26 | 2021-08-26 | Rack entrance guard's device based on 485 bus communication technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122028488.7U CN215497911U (en) | 2021-08-26 | 2021-08-26 | Rack entrance guard's device based on 485 bus communication technology |
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| Publication Number | Publication Date |
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| CN215497911U true CN215497911U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122028488.7U Active CN215497911U (en) | 2021-08-26 | 2021-08-26 | Rack entrance guard's device based on 485 bus communication technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116454765A (en) * | 2023-04-19 | 2023-07-18 | 合肥元贞电力科技股份有限公司 | Electric control cabinet with temperature control supervision and adjustment functions |
-
2021
- 2021-08-26 CN CN202122028488.7U patent/CN215497911U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116454765A (en) * | 2023-04-19 | 2023-07-18 | 合肥元贞电力科技股份有限公司 | Electric control cabinet with temperature control supervision and adjustment functions |
| CN116454765B (en) * | 2023-04-19 | 2023-10-13 | 合肥元贞电力科技股份有限公司 | Electric control cabinet with temperature control supervision and adjustment functions |
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