CN204244643U - A kind of shielding cabinet - Google Patents
A kind of shielding cabinet Download PDFInfo
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- CN204244643U CN204244643U CN201420771608.XU CN201420771608U CN204244643U CN 204244643 U CN204244643 U CN 204244643U CN 201420771608 U CN201420771608 U CN 201420771608U CN 204244643 U CN204244643 U CN 204244643U
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Abstract
The cabinet door the utility model discloses a kind of shielding cabinet, comprise cabinet, being articulated and connected with described cabinet and for monitoring the temperature control regulating system regulating described shielding cabinet internal temperature; Described temperature control system comprise be arranged on described cabinet top temperature control box, multiple be arranged on described cabinet inside the temperature sensor be electrically connected with described temperature control box and the speed adjustable fan be electrically connected with described temperature control box be located on described cabinet.Temperature conditions in cabinet described in described temperature sensor Real-Time Monitoring also feeds back to described temperature control box, whether and the rotating speed of fan the startup that described temperature control box controls fan according to the detection signal of described temperature sensor, realizes regulating the monitoring of the temperature in shielding cabinet.
Description
Technical field
The utility model relates to a kind ofly can provide the shielding cabinet of effective shielding test environment and burn-in test environment for wireless electronic product.
Background technology
Electromagnetic interference (EMI) develops with electronics, electrical technology and occur, every electronics, technical field of electricity all can have electromagnetic interference.The electromagnetic interference that electronics in a large amount of use, electrical system or equipment etc. produce can affect health, also can have an impact to the safety and reliability etc. that electronics, electrical system or equipment are mutual and endanger simultaneously.Severe electromagnetic environment often makes electronics, electrical system or equipment cisco unity malfunction, even causes fault and accident, or affects data when electronic product is tested.
But along with wireless communications products is for the raising of the accuracy requirement of Signal transmissions, electromagnetism interference performance requirement for product is more and more higher, current mobile phone, PDA and associated host circuit board complete the stage in exploitation, all need the test and the burn-in test that carry out relevant electromagnetic property, and there is extremely complicated and serious electromagnetic interference in general open environment, the accuracy of easy impact test, and in open environment, carry out the excessive cycle of burn-in test, the needs of product development cycle can not be met.
Therefore, above-mentioned most test all must implement test, to reaching preferably testing precision in the shielding cabinet of airtight low EMI (or even without Electromagnetic Interference).But shielding cabinet function singleness common at present, is confined on function of shielding, can not realize carrying out feedback regulation to the environment in shielding cabinet, lack safety in utilization, the requirement of burn-in test cannot be met.
Utility model content
The purpose of this utility model is to provide a kind of can realization to carry out feedback regulation to the temperature in shielding cabinet, and then meets the shielding cabinet of age testing requirements.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of shielding cabinet, the cabinet door comprise cabinet, being articulated and connected with described cabinet and for monitoring the temperature control regulating system regulating described shielding cabinet internal temperature;
Described temperature control system comprise be arranged on described cabinet top temperature control box, multiple be arranged on described cabinet inside the temperature sensor be electrically connected with described temperature control box and the speed adjustable fan be electrically connected with described temperature control box be located on described cabinet.
Temperature conditions in cabinet described in described temperature sensor Real-Time Monitoring also feeds back to described temperature control box, whether and the rotating speed of fan the startup that described temperature control box controls fan according to the detection signal of described temperature sensor, realizes regulating the monitoring of the temperature in shielding cabinet.
In the utility model, the doorframe of described cabinet is provided with the slotting tool seat that four chow rings are logical, described cabinet door is provided with the slotting tool matched with described slotting tool seat, described slotting tool seat is equipped with the beryllium copper shell fragment for gap between described slotting tool and slotting tool seat, ensure that the adaptation between described cabinet and cabinet door, thus ensure that shielding cabinet has high performance electromagnetic shielding characteristic, the fit structure of beryllium copper shell fragment and slotting tool also ensure that the useful life of shielding cabinet cabinet door simultaneously.
In the utility model, described fan comprises the supply fan being arranged on described cabinet side and/or bottom and the scavenger fan being arranged on described cabinet top, form controlled forced draft in described cabinet inside, the temperature in shielding cabinet is regulated in real time.
In the utility model, described fan is equipped with shielding waveguide window, carries out ELECTROMAGNETIC OBSCURANT to the installation site of described fan, avoids damaging the shielding character of shielding cabinet.
In the utility model, described cabinet is provided with the radio frequency interface that is connected with tested product signal for tester and the filtration module for tested product data cube computation.Described filtration module comprises many clocks such as USB interface, DB9, DB25 data-interface.
In the utility model, be provided with multilayer in described cabinet for putting the laminate of tested product, the spacing between described laminate can adjust arbitrarily, and described laminate adopts perforated plate construction, is conducive to the air flowing in shielding cabinet, improving radiating effect.
In the utility model, be equipped with the supply socket for powering to tested product in described cabinet, concrete each laminate arranges two supply sockets respectively.
In the utility model, be provided with extinguishing device in described cabinet, due to the particularity of tested product, this extinguishing device adopts powder fire extinguisher.
In the utility model, described bottom of cabinet bulk is equipped with the universal caster wheel being convenient to shielding cabinet movement, and described universal caster wheel is provided with brake gear, facilitates shielding cabinet to put location.
The utility model can provide effective shielding test and burn-in test environment for wireless electronic product, by realizing powering in shielding cabinet break-make to obtaining temperature monitoring in shielding cabinet, the real time temperature in shielding cabinet is regulated by fan, and by display screen, the temperature in shielding cabinet and rotation speed of the fan are shown in real time, the structure that beryllium copper shell fragment matches with slotting tool is adopted between cabinet and cabinet door, ensure that adaptation between cabinet and cabinet door thus ensure that shielding cabinet has good electromagnetic shielding characteristic, also ensure that the useful life of shielding cabinet cabinet door simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation one of the shielding cabinet closed condition in the utility model one embodiment;
Fig. 2 is the structural representation two of the shielding cabinet closed condition in the utility model one embodiment;
Fig. 3 is the structural representation of the shielding cabinet open mode in the utility model one embodiment;
Fig. 4 is the structural representation of the laminate in the utility model one embodiment;
Fig. 5 is the structural representation of the supply socket in the utility model one embodiment;
Fig. 6 is the structural representation of the universal wheel in the utility model one embodiment.
Embodiment
In order to be illustrated more clearly in the technical solution of the utility model, below in conjunction with drawings and Examples, the technical solution of the utility model is further elaborated, apparently, the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other embodiment can also be obtained according to these embodiments.
Referring to figs. 1 through Fig. 3, a kind of shielding cabinet, for providing effective shielding test environment and burn-in test environment to wireless electronic product, this shielding cabinet comprises cabinet 1, the cabinet door 2 that is articulated and connected by hinge 4 and cabinet 1 and for monitoring the temperature control regulating system regulating shielding cabinet internal temperature; Cabinet door 2 is provided with handle 23, cabinet 1 and cabinet door 2 form a closed shielding space, temperature control regulating system is monitored in real time to operational factors such as the temperature in shielding cabinet, and automatically adjust according to the parameter preset, make shielding cabinet maintain a stable test environment, ensure carrying out smoothly of wireless electronic product test.
Concrete, see figures.1.and.2, cabinet 1 structure of shielding cabinet adopts panel beating full weld technique, and the integral sealing of cabinet 1 is good.The speed adjustable fan be electrically connected with temperature control box 31 that temperature control system comprises the temperature control box 31 being arranged on cabinet 1 top, the temperature sensor (not shown) be electrically connected with temperature control box 31 being arranged on cabinet 1 inside and is located on cabinet 1.
The installation position of temperature sensor and quantity carry out adaptive configuration according to the heat condition of shielding cabinet inside, and the general mode adopting locus to be evenly arranged, ensures, to the overall monitor collection of whole shielding cabinet internal temperature situation, to avoid occurring dead angle.Temperature conditions in temperature sensor Real-Time Monitoring shielding cabinet by data feedback to temperature control box 31, temperature control box 31 is provided with display screen and shows the time that temperature in current shielding cabinet, the rotating speed of fan and current shielding cabinet run continuously in real time.Whether and the rotating speed of fan temperature control box 31 sends startup that pulse signal controls fan according to feeding back signal to speed adjustable fan, realize regulating the monitoring of the temperature in shielding cabinet, ensure that the temperature in shielding cabinet is in set condition, ensure the normal work of shielding cabinet.Preferably, temperature control box 31 is also provided with fan swicth box mains switch, so that force power-off or enforced opening fan work under special circumstances.
In order to form radiating airflow in shielding cabinet, with reference to Fig. 1 and Fig. 3, fan comprises the supply fan 323 being arranged on cabinet 1 side and/or bottom and the scavenger fan 321 being arranged on cabinet 1 top, by supply fan 323 from external environment condition to suction cold air in shielding cabinet, by scavenger fan 321, the hot-air in shielding cabinet is extracted out, form controlled forced heat radiation air-flow in cabinet 1 inside, real-time regulable control is carried out to the temperature in shielding cabinet.
For avoiding the perforate of provided with fan to reduce shielding cabinet bulk shielding effect, with reference to Fig. 1, each fan on shielding cabinet is equipped with shielding waveguide window 322, carries out ELECTROMAGNETIC OBSCURANT, effectively avoid damaging the shielding character of shielding cabinet to the installation site of fan.
With reference to Fig. 3, the cabinet 1 of shielding cabinet and the junction of cabinet door 2 be also shielding cabinet keep bulk shielding characteristic a weakness, for this reason, the doorframe 11 of cabinet 1 is provided with the slotting tool seat 21 that four chow rings are logical, cabinet door 2 is provided with the slotting tool 22 matched with slotting tool seat 21, slotting tool seat 21 is equipped with the beryllium copper shell fragment for gap between slotting tool 22 and slotting tool seat 21, ensure that the adaptation between cabinet 1 and cabinet door 2, thus ensure that shielding cabinet has high performance electromagnetic shielding characteristic, the fit structure of beryllium copper shell fragment and slotting tool 22 also ensure that the useful life of shielding cabinet cabinet door 2 simultaneously.
Because shielding cabinet is just for the test carried out in shielding cabinet provides an electromagnetic shielding environment, therefore need when test carry out powering from outer bound pair shielding cabinet and carry out transfer of data with test macro.For this reason, see figures.1.and.2, cabinet 1 sidewall is provided with the radio frequency interface 61 be connected with tested product signal for tester and the filtration module 62 for tested product data cube computation, filtration module 62 comprises many clocks such as USB interface, DB9, DB25 data-interface, concrete kind and quantity can adjust according to concrete test event, do not enumerate here or limit.
The inner space of shielding cabinet is larger, in order to make full use of the space resources of shielding cabinet inside, with reference to Fig. 3 and Fig. 4, multilayer is provided with for putting the laminate 12 of tested product in cabinet 1, spacing between laminate 12 can adjust arbitrarily, laminate 12 adopts perforated plate construction, is conducive to the air flowing in shielding cabinet, improving radiating effect.Preferably, the laminate 12 in the present embodiment is four layers.
Need when testing to power to the wireless electronic product in shielding cabinet, because the wireless electronic product number ratio of carrying out in shielding cabinet testing is more simultaneously.For solving powerup issue, with reference to Fig. 3 and Fig. 5, shielding cabinet each laminate 12 inherent is all equipped with the supply socket 13 for powering to tested product, concrete each laminate 12 arranges two supply sockets 13 respectively.
The test period of shielding cabinet is generally long, and sometimes may not shut down continuous operation one or two months, long continuous operation easily occurs exception, and particularly a large amount of wireless electronic products is deposited in together, if temperature control is easy to cause fire.For this reason, with reference to Fig. 3, shielding cabinet arranges extinguishing device 7 in cabinet 1 inner upper end, and due to the particularity of tested product, this extinguishing device 7 adopts powder fire extinguisher.
The volume and weight of shielding cabinet is all larger, carrying inconvenience.For this reason, with reference to Fig. 1 and Fig. 6, shielding cabinet is equipped with the universal caster wheel 5 being convenient to shielding cabinet movement bottom cabinet 1, and universal caster wheel 5 is provided with brake gear 51, facilitates shielding cabinet to put location.Need when moving, only need releasing of brake device 51 to promote easily to promote, to be moved to correct position time, step on the stuck universal caster wheel 5 of brake gear 51.
The utility model can provide effective shielding test and burn-in test environment for wireless electronic product, by realizing powering in shielding cabinet break-make to obtaining temperature monitoring in shielding cabinet, the real time temperature in shielding cabinet is regulated by fan, and by display screen, the temperature in shielding cabinet and rotation speed of the fan are shown in real time, the structure that beryllium copper shell fragment matches with slotting tool 22 is adopted between cabinet 1 and cabinet door 2, ensure that adaptation between cabinet 1 and cabinet door 2 thus ensure that shielding cabinet has good electromagnetic shielding characteristic, also ensure that the useful life of the cabinet door 2 of shielding cabinet simultaneously.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (9)
1. a shielding cabinet, is characterized in that, the cabinet door (2) comprise cabinet (1), being articulated and connected with described cabinet (1) and for monitoring the temperature control regulating system regulating described shielding cabinet internal temperature;
Described temperature control system comprise be arranged on described cabinet (1) top temperature control box (31), be multiplely arranged on the inner temperature sensor be electrically connected with described temperature control box (31) of described cabinet (1) and the speed adjustable fan be electrically connected with described temperature control box (31) be located on described cabinet (1).
2. a kind of shielding cabinet as claimed in claim 1, it is characterized in that, the doorframe (11) of described cabinet (1) is provided with the slotting tool seat (21) that four chow rings are logical, described cabinet door (2) is provided with the slotting tool (22) matched with described slotting tool seat (21), described slotting tool seat (21) is equipped with the beryllium copper shell fragment for gap between described slotting tool (22) and slotting tool seat (21).
3. a kind of shielding cabinet as claimed in claim 1, it is characterized in that, described fan comprises the supply fan (323) being arranged on described cabinet (1) side and/or bottom and the scavenger fan (321) being arranged on described cabinet (1) top.
4. a kind of shielding cabinet as claimed in claim 1, is characterized in that, described fan is equipped with the shielding waveguide window (322) installation site of described fan being carried out to ELECTROMAGNETIC OBSCURANT.
5. a kind of shielding cabinet as claimed in claim 1, it is characterized in that, described cabinet (1) is provided with the radio frequency interface (61) that is connected with tested product signal for tester and the filtration module (62) for tested product data cube computation.
6. a kind of shielding cabinet as claimed in claim 1, it is characterized in that, be provided with multilayer in described cabinet (1) for putting the laminate (12) of the employing perforated plate construction of tested product, the spacing between described laminate (12) can adjust arbitrarily.
7. a kind of shielding cabinet as claimed in claim 1, is characterized in that, is equipped with the supply socket (13) for powering to tested product in described cabinet (1).
8. a kind of shielding cabinet as claimed in claim 1, is characterized in that, is provided with extinguishing device (7) in described cabinet (1).
9. a kind of shielding cabinet as claimed in claim 1, it is characterized in that, described cabinet (1) bottom is equipped with the universal caster wheel (5) being convenient to shielding cabinet movement, described universal caster wheel (5) is established brake gear (51) is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420771608.XU CN204244643U (en) | 2014-12-09 | 2014-12-09 | A kind of shielding cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420771608.XU CN204244643U (en) | 2014-12-09 | 2014-12-09 | A kind of shielding cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204244643U true CN204244643U (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420771608.XU Active CN204244643U (en) | 2014-12-09 | 2014-12-09 | A kind of shielding cabinet |
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| CN (1) | CN204244643U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109548375A (en) * | 2018-12-06 | 2019-03-29 | 深圳市中冀联合技术股份有限公司 | A kind of novel electromagnetic shielding cabinet |
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2014
- 2014-12-09 CN CN201420771608.XU patent/CN204244643U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109548375A (en) * | 2018-12-06 | 2019-03-29 | 深圳市中冀联合技术股份有限公司 | A kind of novel electromagnetic shielding cabinet |
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