CN204492271U - Defense-related science, technology and industry electromagnetic shielding machine room - Google Patents
Defense-related science, technology and industry electromagnetic shielding machine room Download PDFInfo
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- CN204492271U CN204492271U CN201520201779.3U CN201520201779U CN204492271U CN 204492271 U CN204492271 U CN 204492271U CN 201520201779 U CN201520201779 U CN 201520201779U CN 204492271 U CN204492271 U CN 204492271U
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Abstract
The utility model provides a kind of defense-related science, technology and industry electromagnetic shielding machine room, belong to defense-related science, technology and industry field, comprise the housing with electro-magnetic screen function, the sidewall of housing is provided with shield door, ventilation waveguide window, waveguide and traffic filter, in housing, is provided with power supply and the air precision air conditioning system corresponding with traffic filter, gas fire protection alarm system, safety and protection system, lightning protection earthing system and dynamic environment monitoring system.On the basis of electromagnet shield effect ensureing electromagnetic shielding machine room, improve stability and reliability by setting up other auxiliary equipment, make electromagnetic shielding machine room more intelligent, be suitable for defense-related science, technology and industry and use.
Description
Technical field
The utility model relates to defense-related science, technology and industry field, in particular to defense-related science, technology and industry electromagnetic shielding machine room.
Background technology
Electromagnetic shielding machine room is the house of the steel plate structure of support " faraday cup " principle, be mainly used in placing data messaging device, server and storing significant data, comprise the general house such as six face-piece bodies, door, window key element, but require comparatively tight electromagnetic sealing performance, and corresponding shielding processing is done to all turnover pipelines, and then block electromagnetic radiation discrepancy.Electromagnetic shielding machine room has combined type, welded by plate, the steel plate directly large class of mounted and copper mesh formula four at present, is the effective measures guaranteeing information security.
As defense-related science, technology and industry unit, higher to the reliability requirement of electromagnetic shielding machine room, the factor affecting the reliability of electromagnetic shielding machine room mainly comprises: 1. the shield effectiveness of electromagnetic shielding machine room itself; 2. affect the reliable and stable operation accessory system of machine room; 3. unwarranted personnel or other staff are to the malicious sabotage of equipment in electromagnetic shielding machine room.
The ordinary electromagnetic shield machine house-owner of current construction will pay close attention to the shield effectiveness of machine room itself, lacks the accessory system on impact shielding machine room reliable and stable operation, intelligent level is lower, safety management design is not thorough, be difficult to the requirement meeting defense-related science, technology and industry.
Utility model content
The utility model provides a kind of defense-related science, technology and industry electromagnetic shielding machine room, and the problems referred to above are improved.
The utility model is achieved in that
A kind of defense-related science, technology and industry electromagnetic shielding machine room, comprise the housing with electro-magnetic screen function, the sidewall of described housing is provided with shield door, ventilation waveguide window, waveguide and traffic filter, in described housing, is provided with power supply and the air precision air conditioning system corresponding with described traffic filter, gas fire protection alarm system, safety and protection system, lightning protection earthing system and dynamic environment monitoring system.
Ventilation waveguide window is communicated with the inside and outside both sides of housing, for air intake, air draft, pressure release etc., guarantee that the air circulation inside and outside housing is normal, and take into account the double action of electromagnetic shielding and good ventilation simultaneously, waveguide stops the circulation by but affecting air of electromagnetic radiation, guarantees the gas exchanges inside and outside housing and electro-magnetic screen function; Traffic filter is a kind of visual plant in signal processing, only allow signal component within the scope of certain frequency normal through, and stop the signal component in another part frequency range to pass through, guarantee that each equipment is not easy to be subject to signal disturbing.Power supply provides electric energy for each equipment, guarantee the normal operation shielding distinct device in machine room, air precision air conditioning system be used for the strict interior temperature and humidity controlling housing guarantee electronic message unit stable operation, gas fire protection alarm system is for detection of fires and report to the police, safety and protection system for the personnel monitored in electromagnetic shielding machine room pass in and out situation and device security, lightning protection earthing system for preventing thunder and lightning from damaging electromagnetic shielding machine room, dynamic environment monitoring system for detecting electrically, the situation such as temperature, humidity, guarantee that the environment in housing is the most suitable.
Further, described safety and protection system comprises video monitoring subsystem, access control subsystem, intrusion alarm subsystem and has the gate control system of human bioequivalence.
Safety and protection system is monitored turnover personnel and is made a video recording, and gate control system can effectively prevent from non-working person from entering electromagnetic shielding machine room inside destroying, and makes electromagnetic shielding machine room be in the state of monitoring in real time, guarantees its security performance.
Further, described dynamic environment monitoring system comprises electric monitoring subsystem, UPS monitoring subsystem, air conditioning monitoring subsystem, leak water detdction subsystem, monitoring temperature subsystem and humidity control subsystem.
Whether electric monitoring subsystem, air conditioning monitoring subsystem, leak water detdction subsystem, monitoring temperature subsystem and humidity control subsystem be respectively used to detect electricity consumption, air-conditioning in electromagnetic shielding machine room, occur leaking, whether temperature, humidity etc. are normal, notifying that staff overhauls in time when there are abnormal conditions, guaranteeing the various equipment stable operations in electromagnetic shielding machine room.Uninterrupted power source (Uninterruptible Power System/UninterruptiblePower Supply, be called for short UPS), arrange to solve uninterrupted power supply, UPS monitoring subsystem is for detecting the duty of each equipment and making its power supply uninterrupted, battery is connected with main frame, direct current is converted to civil power by modular circuits such as main frame inverters, three large basic functions of UPS monitoring subsystem are: voltage stabilizing, filtering, uninterrupted power supply, when mains-supplied, play the work of stabilizator and wave filter in order to eliminate or to weaken the interference of civil power, guarantee equipment works normally, when commercial power interruption, the DC conversion that it can be provided by the direct current supply part that self is stored is that desirable AC-powered source or load use, and makes load equipment keep running while imperceptible any change, guarantees the uninterrupted operation of equipment.
Further, described ventilation waveguide window adopts honeycomb type ventilation waveguide window, and the rack of described UPS monitoring subsystem and the main frame of described safety and protection system are all arranged on the outside of described housing, and the side of described housing is provided with access path.
The ventilation effect of honeycomb type ventilation waveguide window is better, and the air in electromagnetic shielding machine room is more pure and fresh; The rack of UPS monitoring subsystem and the main frame of safety and protection system are positioned at the outside of housing, reduce the floor space of equipment in housing, and the volume of housing can relative decrease, and cost of manufacture is lower; Staff can overhaul electromagnetic shielding machine room in access path, faster and more convenient operation.
Further, precision intelligence power distribution cabinet and data storage processing information subsystem is provided with in described housing, described precision intelligence power distribution cabinet is connected with described power electric, and described traffic filter comprises and being disposed side by side in described housing sidewall and the power-supply filter, logic ground wave filter, AIR COND SIG Air Conditioner Singnal wave filter, fire-fighting traffic filter, electric door traffic filter, the security signal wave filter that are electrically connected with described precision intelligence power distribution cabinet.
Electric energy in power supply is accurately dispensed in different equipment by precision intelligence power distribution cabinet, guarantees the normal work of distinct device, and data storage processing information subsystem, for storing the information of each equipment, facilitates staff to carry out the extraction and application of information.
Further, described air precision air conditioning system, described gas fire protection alarm system, described safety and protection system, described lightning protection earthing system and described dynamic environment monitoring system are disposed side by side on the bottom of described housing.
Multiple system is arranged side by side, and makes in housing more neat, current convenient, effectively improves the operating efficiency of staff.
Further, described ventilation waveguide window is arranged on the sidewall top of described housing, and described waveguide is optical fiber waveguides in conjunction and is arranged on the sidewall bottom of described housing.
The performance of optical fiber waveguides in conjunction is more excellent, certainly, arranges ventilation waveguide window and the waveguide of right quantity and size as required with the size of housing.
Further, described shield door adopts electric hinge formula slotting tool door.
Electric hinge formula slotting tool door can realize the closure or openness of shield door by control button, more convenient to operate, electromagnet shield effect is more excellent.
Further, at least two shield assemblies are provided with between described housing and described shield door, described shield assembly comprises two pairs of hilted broadsword two-man act shielding constructions, often pair of hilted broadsword two-man act shielding construction comprises the slotting tool of corresponding setting and the double-reed assembly corresponding with described slotting tool position, described double-reed assembly comprises fixture, shield door reed, reed press strip and housing screw, described reed press strip is fixed on one end of described fixture by described housing screw, described shield door reed is fixed on the inner side of described fixture by described reed press strip crimping, described slotting tool is plugged in the knife inserting groove of two described shield door reeds formation.
Shield door is as the vitals of electromagnetic shielding machine room, and its shielding properties finally determines the performance indications of screened room, along with modern science and technology constantly progress, needs stronger capability of electromagnetic shielding, meets higher demand; When shield door is single-rotation axis rotation formula, often in group shielding element, four rows can be installed and arranges shield door reed, form double-pole four spring structure after coordinating with two slotting tools, improve capability of electromagnetic shielding, meet the different needs.
Further, described shield assembly is at least two groups, and the cross section of described reed press strip is " U " shape, and the end of described fixture is embedded in the inside of described reed press strip.
Many groups shield assembly can improve the capability of electromagnetic shielding between shield door and housing further, reed press strip is " U " shape being enclosed within fixture one end, shield door reed can be firmly fixed on fixture more, guarantee the stable of hilted broadsword two-man act shielding construction.
Compared with prior art, the beneficial effects of the utility model are: on the basis of electromagnet shield effect ensureing electromagnetic shielding machine room, improve stability and reliability by setting up other auxiliary equipment, make electromagnetic shielding machine room more intelligent, be suitable for defense-related science, technology and industry and use.
Accompanying drawing explanation
The defense-related science, technology and industry electromagnetic shielding machine room axonometric drawing that Fig. 1 provides for the utility model embodiment;
The machine room layout figure of the defense-related science, technology and industry electromagnetic shielding machine room that Fig. 2 provides for the utility model embodiment;
Fig. 3 is the shield assembly schematic diagram of Fig. 1;
Fig. 4 is the A portion close-up schematic view of Fig. 3.
Housing 101; Access path 102; Shield door 103; Ventilation waveguide window 104; Waveguide 105; Precision intelligence power distribution cabinet 106; Data storage processing information subsystem 107; Power-supply filter 108; Logic ground wave filter 109; AIR COND SIG Air Conditioner Singnal wave filter 110; Fire-fighting traffic filter 111; Electric door traffic filter 112; Security signal wave filter 113; Air precision air conditioning system 114; Gas fire protection alarm system 115; Safety and protection system 116; Lightning protection earthing system 117; Dynamic environment monitoring system 118; Slotting tool 119; Hilted broadsword two-man act shielding construction 120; Fixture 121; Shield door reed 122; Reed press strip 123; Housing screw 124; Control Room 125.
Detailed description of the invention
The ordinary electromagnetic shield machine house-owner of current construction will pay close attention to the shield effectiveness of machine room itself, lacks the accessory system on impact shielding machine room reliable and stable operation, intelligent level is lower, safety management design is not thorough, be difficult to the requirement meeting defense-related science, technology and industry.
Improve to make the problems referred to above, the utility model provides a kind of defense-related science, technology and industry electromagnetic shielding machine room, comprise essential structure and the accessory system of electromagnetic shielding machine room, on the basis of electromagnet shield effect ensureing electromagnetic shielding machine room, improve stability and reliability by setting up other auxiliary equipment, make electromagnetic shielding machine room more intelligent, be suitable for defense-related science, technology and industry and use.
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The defense-related science, technology and industry electromagnetic shielding machine room axonometric drawing that Fig. 1 provides for the utility model embodiment; The machine room layout figure of the defense-related science, technology and industry electromagnetic shielding machine room that Fig. 2 provides for the utility model embodiment; Fig. 3 is the shield assembly schematic diagram of Fig. 1; Fig. 4 is the A portion close-up schematic view of Fig. 3.As Figure 1-Figure 4, the utility model embodiment provides a kind of defense-related science, technology and industry electromagnetic shielding machine room, comprise the housing 101 with electro-magnetic screen function, the arranged outside of housing 101 has access path 102 and Control Room 125, staff can overhaul electromagnetic shielding machine room in access path 102, faster and more convenient operation.
As shown in Figure 1, the sidewall of housing 101 is provided with shield door 103, ventilation waveguide window 104, waveguide 105 and traffic filter, shield door 103 adopts electric hinge formula slotting tool 119.Electric hinge formula slotting tool 119 can realize the closure or openness of shield door 103 by control button, more convenient to operate, electromagnet shield effect is more excellent.
As shown in Figure 1, ventilation waveguide window 104 adopts honeycomb type ventilation waveguide window, ventilation waveguide window 104 is communicated with the inside and outside both sides of housing 101, for air intake, air draft, pressure release etc., guarantee that the air circulation inside and outside housing 101 is normal, and take into account the double action of electromagnetic shielding and good ventilation simultaneously, the ventilation effect of honeycomb type ventilation waveguide window is better, and the air in electromagnetic shielding machine room is more pure and fresh; Ventilation waveguide window 104 is arranged on the sidewall top of housing 101, arranges the ventilation waveguide window 104 of right quantity and size as required with the size of housing 101.
As shown in Figure 1, waveguide 105 is optical fiber waveguides in conjunction and is arranged on the sidewall bottom of housing 101, optical fiber waveguides in conjunction can be installed according to the number of fibers entered in machine room, the performance of optical fiber waveguides in conjunction is more excellent, waveguide 105 stops the circulation by but affecting air of electromagnetic radiation, guarantees the gas exchanges inside and outside housing 101 and electro-magnetic screen function; Traffic filter is a kind of visual plant in signal processing, only allow signal component within the scope of certain frequency normal through, and stop the signal component in another part frequency range to pass through, guarantee that each equipment is not easy to be subject to signal disturbing.
As shown in Figure 2, precision intelligence power distribution cabinet 106 and data storage processing information subsystem 107 is provided with in housing 101, precision intelligence power distribution cabinet 106 is connected with power electric, electric energy in power supply is accurately dispensed in different equipment by precision intelligence power distribution cabinet 106, guarantee the normal work of distinct device, data storage processing information subsystem 107, for storing the information of each equipment, facilitates staff to carry out the extraction and application of information.Traffic filter comprises and being disposed side by side on housing 101 sidewall and the power-supply filter 108, logic ground wave filter 109, AIR COND SIG Air Conditioner Singnal wave filter 110, fire-fighting traffic filter 111, electric door traffic filter 112, the security signal wave filter 113 that are electrically connected with precision intelligence power distribution cabinet 106, and traffic filter is neatly arranged is convenient to management.
As shown in Figure 1, power supply and the air precision air conditioning system 114 corresponding with traffic filter, gas fire protection alarm system 115, safety and protection system 116, lightning protection earthing system 117 and dynamic environment monitoring system 118 is provided with in housing 101, certainly, also can selective selection be wherein several installs, power supply provides electric energy for each equipment, guarantee the normal operation shielding distinct device in machine room, air precision air conditioning system 114 guarantees the stable operation of electronic message unit for strictly controlling temperature and humidity in housing 101, gas fire protection alarm system 115 is for detection of fires and report to the police, safety and protection system 116 passes in and out situation and device security for the personnel monitored in electromagnetic shielding machine room, lightning protection earthing system 117 damages electromagnetic shielding machine room for preventing thunder and lightning, dynamic environment monitoring system 118 is for detecting electrically, temperature, the situations such as humidity, guarantee that the environment in housing 101 is the most suitable, as shown in Figure 2, air precision air conditioning system 114, gas fire protection alarm system 115, safety and protection system 116, lightning protection earthing system 117 and dynamic environment monitoring system 118 are disposed side by side on the bottom of housing 101.Multiple system is arranged side by side, and makes in housing 101 more neat, current convenient, effectively improves the operating efficiency of staff.
Gas fire protection alarm system 115 comprises the annexes such as extinguishing chemical storage bottle, bottle valve, pressure switch, medicament, delivery pipe, shower nozzle, Steel bottle cabinet, under specific circumstances, can by itself and the interlock such as blower fan, air-conditioning, fire extinguishing better processing effect.
Safety and protection system 116 comprises video monitoring subsystem, access control subsystem, intrusion alarm subsystem and has the gate control system of human bioequivalence.Safety and protection system 116 is monitored turnover personnel and is made a video recording, and gate control system can effectively prevent from non-working person from entering electromagnetic shielding machine room inside destroying, and makes electromagnetic shielding machine room be in the state of monitoring in real time, guarantees its security performance.
Dynamic environment monitoring system 118 comprises electric monitoring subsystem, UPS monitoring subsystem, air conditioning monitoring subsystem, leak water detdction subsystem, monitoring temperature subsystem and humidity control subsystem.Whether electric monitoring subsystem, air conditioning monitoring subsystem, leak water detdction subsystem, monitoring temperature subsystem and humidity control subsystem be respectively used to detect electricity consumption, air-conditioning in electromagnetic shielding machine room, occur leaking, whether temperature, humidity etc. are normal, notifying that staff overhauls in time when there are abnormal conditions, guaranteeing the various equipment stable operations in electromagnetic shielding machine room.The rack of UPS monitoring subsystem and the main frame of safety and protection system 116 are all arranged on the outside of housing 101, the rack of UPS monitoring subsystem and the main frame of safety and protection system 116 are positioned at the outside of housing 101, reduce the floor space of equipment in housing 101, the volume of housing 101 can relative decrease, and cost of manufacture is lower; UPS monitoring subsystem makes load equipment keep running while imperceptible any change, guarantees the uninterrupted operation of equipment.
Shield door 103 is as the vitals of electromagnetic shielding machine room, and its shielding properties finally determines the performance indications of screened room, along with modern science and technology constantly progress, needs stronger capability of electromagnetic shielding, meets higher demand, as the preferred version of this embodiment, as Fig. 3, shown in Fig. 4, at least two shield assemblies are provided with between housing 101 and shield door 103, shield assembly comprises two pairs of hilted broadsword two-man act shielding constructions 120, often pair of hilted broadsword two-man act shielding construction 120 comprises the slotting tool 119 of corresponding setting and the double-reed assembly corresponding with slotting tool 119 position, double-reed assembly comprises fixture 121, shield door reed 122, reed press strip 123 and housing screw 124, reed press strip 123 is fixed on one end of fixture 121 by housing screw 124, shield door reed 122 is fixed on the inner side of fixture 121 by reed press strip 123 crimping, slotting tool 119 is plugged in slotting tool 119 groove of two shield door reeds 122 formation.When shield door 103 is single-rotation axis rotation formula, often in group shielding element, four rows can be installed and arranges shield door reed 122, coordinate rear formation double-pole four spring structure with two slotting tools 119, improve capability of electromagnetic shielding, meet the different needs.
As shown in Figure 4, the cross section of reed press strip 123 is " U " shape, and the end of fixture 121 is embedded in the inside of reed press strip 123.Many groups shield assembly can improve the capability of electromagnetic shielding between shield door 103 and housing 101 further, reed press strip 123 is for being enclosed within " U " shape of fixture 121 one end, shield door reed 122 can be firmly fixed on fixture 121 more, guarantee the stable of hilted broadsword two-man act shielding construction 120.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a defense-related science, technology and industry electromagnetic shielding machine room, it is characterized in that, comprise the housing with electro-magnetic screen function, the sidewall of described housing is provided with shield door, ventilation waveguide window, waveguide and traffic filter, in described housing, is provided with power supply and the air precision air conditioning system corresponding with described traffic filter, gas fire protection alarm system, safety and protection system, lightning protection earthing system and dynamic environment monitoring system.
2. defense-related science, technology and industry electromagnetic shielding machine room according to claim 1, is characterized in that, described safety and protection system comprises video monitoring subsystem, access control subsystem, intrusion alarm subsystem and has the gate control system of human bioequivalence.
3. defense-related science, technology and industry electromagnetic shielding machine room according to claim 1, it is characterized in that, described dynamic environment monitoring system comprises electric monitoring subsystem, UPS monitoring subsystem, air conditioning monitoring subsystem, leak water detdction subsystem, monitoring temperature subsystem and humidity control subsystem.
4. defense-related science, technology and industry electromagnetic shielding machine room according to claim 3, it is characterized in that, described ventilation waveguide window adopts honeycomb type ventilation waveguide window, the rack of described UPS monitoring subsystem and the main frame of described safety and protection system are all arranged on the outside of described housing, and the side of described housing is provided with access path.
5. defense-related science, technology and industry electromagnetic shielding machine room according to claim 1, it is characterized in that, precision intelligence power distribution cabinet and data storage processing information subsystem is provided with in described housing, described precision intelligence power distribution cabinet is connected with described power electric, and described traffic filter comprises and being disposed side by side in described housing sidewall and the power-supply filter, logic ground wave filter, AIR COND SIG Air Conditioner Singnal wave filter, fire-fighting traffic filter, electric door traffic filter, the security signal wave filter that are electrically connected with described precision intelligence power distribution cabinet.
6. the defense-related science, technology and industry electromagnetic shielding machine room according to claim 1-5 any one, it is characterized in that, described air precision air conditioning system, described gas fire protection alarm system, described safety and protection system, described lightning protection earthing system and described dynamic environment monitoring system are disposed side by side on the bottom of described housing.
7. the defense-related science, technology and industry electromagnetic shielding machine room according to claim 1-5 any one, is characterized in that, described ventilation waveguide window is arranged on the sidewall top of described housing, and described waveguide is optical fiber waveguides in conjunction and is arranged on the sidewall bottom of described housing.
8. the defense-related science, technology and industry electromagnetic shielding machine room according to claim 1-5 any one, is characterized in that, described shield door adopts electric hinge formula slotting tool door.
9. defense-related science, technology and industry electromagnetic shielding machine room according to claim 8, it is characterized in that, at least two shield assemblies are provided with between described housing and described shield door, described shield assembly comprises two pairs of hilted broadsword two-man act shielding constructions, often pair of hilted broadsword two-man act shielding construction comprises the slotting tool of corresponding setting and the double-reed assembly corresponding with described slotting tool position, described double-reed assembly comprises fixture, shield door spring, reed press strip and housing screw, described reed press strip is fixed on one end of described fixture by described housing screw, described shield door reed is fixed on the inner side of described fixture by described reed press strip crimping, described slotting tool is plugged in the knife inserting groove of two described shield door reeds formation.
10. defense-related science, technology and industry electromagnetic shielding machine room according to claim 9, is characterized in that, the cross section of described reed press strip is " U " shape, and the end of described fixture is embedded in the inside of described reed press strip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520201779.3U CN204492271U (en) | 2015-04-03 | 2015-04-03 | Defense-related science, technology and industry electromagnetic shielding machine room |
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| CN201520201779.3U CN204492271U (en) | 2015-04-03 | 2015-04-03 | Defense-related science, technology and industry electromagnetic shielding machine room |
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| CN204492271U true CN204492271U (en) | 2015-07-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507626A (en) * | 2015-12-30 | 2016-04-20 | 天津豪世达科技有限公司 | Movable shielding machine room |
| CN107724909A (en) * | 2017-09-29 | 2018-02-23 | 株洲合力电磁技术有限公司 | A kind of high-performance knife inserts formula list fan shielding vertical hinged door |
| CN108289403A (en) * | 2018-01-15 | 2018-07-17 | 中国科学院国家天文台 | A kind of high-precision laser range-finding equipment electromagnetic shielding cabin |
-
2015
- 2015-04-03 CN CN201520201779.3U patent/CN204492271U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507626A (en) * | 2015-12-30 | 2016-04-20 | 天津豪世达科技有限公司 | Movable shielding machine room |
| CN107724909A (en) * | 2017-09-29 | 2018-02-23 | 株洲合力电磁技术有限公司 | A kind of high-performance knife inserts formula list fan shielding vertical hinged door |
| CN108289403A (en) * | 2018-01-15 | 2018-07-17 | 中国科学院国家天文台 | A kind of high-precision laser range-finding equipment electromagnetic shielding cabin |
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