CN204244642U - A kind of angle folding shielded box - Google Patents
A kind of angle folding shielded box Download PDFInfo
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- CN204244642U CN204244642U CN201420644658.1U CN201420644658U CN204244642U CN 204244642 U CN204244642 U CN 204244642U CN 201420644658 U CN201420644658 U CN 201420644658U CN 204244642 U CN204244642 U CN 204244642U
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- upper cover
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- shielded box
- angle folding
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Abstract
The utility model discloses a kind of angle folding shielded box, the lowering or hoisting gear comprising casing, upper cover and be inclined between described casing and upper cover; A side between described casing and upper cover is rotatably linked together by hinge; Described casing and upper cover are connected the two ends being arranged on described lowering or hoisting gear respectively, described lowering or hoisting gear drive described upper cover around hinge rotate and near or away from described casing so realize between described casing and upper cover opening and closed; The face that covers between described casing and upper cover is for being obliquely installed; Described casing and upper cover fit down to cover on face and have been disposed adjacent at least one shielding groove along its length, described upper cover and casing fit on cover on face and be disposed adjacent the shield protrusion that described shielding recess overlaps with each along its length; The height of described shield protrusion is equal to or less than the degree of depth of described shielding groove, and making can close contact between described shielding groove and shield protrusion.
Description
Technical field
The utility model relates to and a kind ofly can effectively ensure casing composition surface close contact thus provide shielding environment and the shielded box tiltedly arranged is cut in the face that covers for the test of 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 carrying out relevant electromagnetic property, and there is extremely complicated and serious electromagnetic interference in general open environment, the accuracy of easily impact test.Therefore, above-mentioned most test all must implement test, to reaching preferably testing precision in the environment of low EMI (or even without Electromagnetic Interference).
The common device of low EMI (without electromagnetic interference) test environment that provides is the shielded box of a tool signal shielding function, shielded box conventional at present, general employing is planar pressing mode, and be generally individual layer pressing mode, single layer structure be difficult to by cylinder or manual mode tight to pressing, according to the circulation way of radio magnetic wave, the penetrability of straightline propagation is very strong, if be single layer planar structure pressing, as long as have a bit, non-pressing is tight, electromagnetic wave will directly be penetrated in case, cannot form one and effectively shield environment.
Utility model content
The purpose of this utility model is to propose a kind of concavo-convex pressing structure substitutive patterns pressing mode utilizing inclination to cover face for above-mentioned technical problem, can provide the angle folding shielded box of an effective electromagnetic shielding environment.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of angle folding shielded box, the lowering or hoisting gear comprising casing, upper cover and be inclined between described casing and upper cover;
A side between described casing and upper cover is rotatably linked together by hinge, upper cover can be rotated around of a casing side and realize opening or closing of shielded box;
Described casing and upper cover are connected the two ends being arranged on described lowering or hoisting gear respectively, described lowering or hoisting gear drive described upper cover around hinge rotate and near or away from described casing so realize between described casing and upper cover opening and closed;
The face that covers between described casing and upper cover is for being obliquely installed, and namely shielded box is angle folding;
Described casing and upper cover fit down to cover on face and have been disposed adjacent at least one shielding groove along its length, described upper cover and casing fit on cover on face and be disposed adjacent the shield protrusion that described shielding recess overlaps with each along its length;
The height of described shield protrusion is equal to or less than the degree of depth of described shielding groove, and making can close contact between described shielding groove and shield protrusion.
In the utility model, flexible conducting material layer has been filled with in described shielding groove, described shield protrusion parcel is provided with flexible conducting material layer, compress described flexible conducting material layer by described shielding groove and shield protrusion and ensure that covering between face between described casing and upper cover fits tightly, effectively improve the conduction adaptation between described casing and upper cover.
In the utility model, the width of described shielding groove is 5mm, and the thickness of described shield protrusion is 3mm.
In the utility model, described lowering or hoisting gear comprises two double-acting cylinders, and the cylinder body of described double-acting cylinder is fastened on described casing, and the piston rod end of described upper cover and described double-acting cylinder is connected to a fixed.
In the utility model, the angle of inclination in the face that covers between described casing and upper cover is 25 ° ~ 60 °, preferably 30 ° or 45 °, meets the principle that human body picks and places product operation, allows operating personnel can not feel tired, improves the aesthetic degree of chest simultaneously.
In the utility model, described shielded box also comprises the control circuit being arranged on described bottom half and two that are electrically connected with described control circuit green pass case buttons; Described pass case button keeps at a certain distance away and is set in parallel on casing; When needs cut out shielded box carries out test activity, must make with the hands to press two simultaneously and close case buttons, described upper cover rotating down pressing and described casing just can be made to cover; There is certain finger effect.
In the utility model, described shielded box also comprises the unpacking button of the control circuit being arranged on described bottom half and the redness be electrically connected with described control circuit, and described unpacking button is arranged between two described pass case buttons; When closure state shielded box opened by needs, press red unpacking button, described upper cover is pressed down and described casing rotating separation, opens shielded box.
In the utility model, described shielded box is also provided with fixture, described fixture comprise support plate platform for loading tested electronic product, for drive described support plate platform in the vertical direction action first drive cylinder, for drive described support plate platform in the horizontal direction action second drive cylinder, realize charging and the discharging of tested electronic product.
In the utility model, the internal face of described casing and upper cover is equipped with the absorbing material layer for strengthening shield effectiveness.
In the utility model, described shielded box is also provided with the indicator light being used to indicate test result, and described indicator light is connected with testing apparatus.
In the utility model, described casing is provided with the data communication interface such as RF radio frequency interface and filter connector for connecting outer testing system.
In the utility model, the both sides that lowering or hoisting gear installed by described casing are respectively arranged with handle, facilitate mobile shielded box.
In the utility model, described shielded box is provided with the grating protective device of finger, and described grating protective device comprises the photophore of the side being arranged on described casing installation lowering or hoisting gear and is arranged on the light-receiving device that the opposite side of lowering or hoisting gear installed by described casing; Photophore produces the infrared beam of coding, and light-receiving device receives corresponding light beam, produces a protection zone between photophore and light-receiving device.If operating personnel do not notice that handle or other foreign matters are placed in the protection zone between described casing and upper cover in shielded box closing course; then corresponding infrared beam is blocked; grating protective device sends signal and makes pass case order invalid; shielded box can not close; avoid damaging operating personnel, effectively enhance the fail safe of shielded box.
Shielded box described in the utility model covers face in inclination and adopts convex-concave structure to realize fitting tightly between casing and upper cover, from planar structure, the faying face design of convex-concave structure is contacted by male and female face forming station terrace on faying face, is equivalent to define twice shielding to electromagnetic wave on faying face; Again because the penetrability of straightline propagation is very strong, if run into partition wall on route of transmission, electromagnetic wave cannot pass, convex-concave structure of the present utility model is equivalent to the partition wall adding a convex-concave structure on faying face, be equivalent to the right angle of two 90 degree, effectively hinder electromagnetic wave propagation radiation, thus realize electromagnetic effective shielding, in shielded box, form a shielding environment.The utility model is the open-close ways that 30 ° or 45 ° of inclinations cover face by adopting angle of inclination, human engineering meets the principle that human body picks and places product operation, improves man-machine interaction experience, reduces the labour intensity of operating personnel; Also improve the outward appearance of shielded box simultaneously.The front end that the utility model covers face is provided with grating protective device, prevents operating personnel's misoperation and causes the unexpected injuries such as tong, improves the coefficient of safety of shielded box.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the shielded box closure state in the utility model one embodiment;
Fig. 2 is the backsight structural representation of the shielded box closure state in the utility model one embodiment;
Fig. 3 is the side-looking structural representation of the shielded box open mode in the utility model one embodiment;
Fig. 4 is the sectional structure schematic diagram of the shielded box open mode in the utility model one embodiment;
Fig. 5 is I place's structure for amplifying schematic diagram in Fig. 4;
Fig. 6 is II place's structure for amplifying schematic diagram in Fig. 4;
Fig. 7 is the biopsy cavity marker devices enlarged diagram of the concavo-convex pressing structure of shielded box closure state 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.
With reference to Fig. 1 and Fig. 3, a kind of angle folding shielded box, the lowering or hoisting gear comprising casing 1, upper cover 2 and be inclined between casing 1 and upper cover 2;
A side between casing 1 and upper cover 2 is rotatably linked together by hinge 8, upper cover 2 can be rotated around of casing 1 side and realize opening or closing of shielded box;
With reference to Fig. 3, casing 1 is connected with upper cover 2 two ends being arranged on lowering or hoisting gear respectively, and lowering or hoisting gear drives upper cover 2 to rotate and close or away from casing 1 and then realize opening and closing between casing 1 and upper cover 2 around hinge 8.
With reference to Fig. 4 and Fig. 5, casing 1 and upper cover 2 fit down to cover on face and have been disposed adjacent at least one shielding groove 11 along its length, with reference to Fig. 4 and Fig. 6,2-in-1 of the upper cover that upper cover 2 and casing 1 fit is disposed adjacent along its length the shield protrusion 21 shielding groove 11 with each and match; With reference to Fig. 7, the height of shield protrusion 21 is equal to or less than the degree of depth of shielding groove 11, and making between shielding groove 11 and shield protrusion 21 can close contact; Preferably, the shielding groove 11 that casing 1 is offered is one, upper cover 2 is provided with one with the corresponding shield protrusion 21 of shielding groove 11.
The internal face of casing 1 and upper cover 2 is equipped with the absorbing material layer (not shown) for strengthening shield effectiveness.Shielded box is also provided with the indicator light (not shown) being used to indicate test result, and indicator light is connected with testing apparatus, can be shown the result of the test that current shielded box carries out by indicator light easily.
Because shielded box is just for the test carried out in shielded box provides an electromagnetic shielding environment, therefore need when test from external world's access test macro.For this reason, with reference to Fig. 2 and Fig. 4, casing 1 is provided with the data communication interfaces such as the RF radio frequency interface 72 for connecting outer testing system, filter connector 71.The kind of data communication interface and quantity can adjust according to concrete test event, do not enumerate here or limit.
Preferably, with reference to Fig. 7, the wall thickness dimension due to shielded box is limited and consider actual shield effectiveness, and the quantity of shielding groove 11 is one, and the quantity of shield protrusion 21 is one.Concrete, the width of shielding groove 11 is 5mm and adjacent two wall thickness shielded between grooves 11 are 3mm, the thickness of shield protrusion 21 is 3mm and gap between adjacent two shield protrusions 21 is 5mm, ensure 2-in-1 of upper cover with under cover face and fully can contact form an effective shielding space in shielded box.
In one embodiment, shielded box generally adopts metal material manufacture, casing covers for 1 time between face with 2-in-1 of the upper cover of upper cover 2 as steel to steel contacts, due to machining accuracy, the factors such as damage of colliding with in use procedure be difficult to ensure 2-in-1 of upper cover and under cover fitting tightly between face, very large impact is caused on the shield effectiveness of shielded box.For this reason, flexible conducting material layer has been filled with in shielding groove 11, shield protrusion 21 parcel is provided with flexible conducting material layer, flexible conducting material is used to fill the clearance space shielded between groove 11 and shield protrusion 21, compress flexible conducting material layer by shielding groove 11 and shield protrusion 21 and ensure that covering between face between casing 1 and upper cover 2 fits tightly, effectively improve the conduction adaptation between casing 1 and upper cover 2.Preferably, this flexible conducting material selects conductive fabric.
In one embodiment, when shielded box needs closed test, the upper cover 2 of lowering or hoisting gear driven shield case to be rotated down around casing 1 by hinge 8 and to cover on casing 1, forms one effectively shield environment in shielded box inside; After shielded box completes test, the upper cover 2 of lowering or hoisting gear driven shield case is rotated up away from casing 1 around casing 1 by hinge 8, opens shielded box and takes out tested electronic product.Preferably, with reference to Fig. 3, lowering or hoisting gear comprises the double-acting cylinder 3 that two are symmetricly set on shielded box both sides, and the cylinder body 31 of double-acting cylinder 3 is linked on the side of casing 1, and cylinder body 31 can be swung within the specific limits; Be articulated and connected between piston rod 32 end of upper cover 2 and double-acting cylinder 3, upper cover 2 is articulated and connected by Connection Block and piston rod 32 end, and double-acting cylinder 3 piston rod 32 end while driving upper cover 2 rotates around casing 1 side also can be rotated around Connection Block simultaneously.
In one embodiment, shielded box can be used alone and fixture also can be coordinated to use.When shielded box coordinates fixture to use, concrete, shielded box is provided with fixture (not shown), fixture comprise support plate platform for loading tested electronic product, for drive support plate platform in the vertical direction action first drive cylinder, for drive support plate platform in the horizontal direction action second drive cylinder, realize charging and the discharging of tested electronic product.There is the action that four different when fixture normally works, comprise vertical rising, vertical decline, level enters and level exits.The course of action of fixture has controlled by being arranged on control circuit bottom shielded box, also can be controlled by external test macro, wherein, the init state of fixture in shielded box is as follows, the upper cover 2 of shielded box is opened, and support plate platform is in a vertical high position, the position that level is stretched out.
In one embodiment, with reference to Fig. 1, shielded box also comprises the control circuit be arranged on bottom casing 1 and green 61, two, the pass case button pass case button 61 of two of be electrically connected with control circuit and keeps at a certain distance away and be set in parallel in casing 1 lower end; When shielded box is in unpacking state, if desired when cut out shielded box carries out test activity, must make with the hands to press two simultaneously and close case button 61, the control signal that just can send closed shielded box makes upper cover 2 rotating down pressing and casing 1 cover, and has certain finger effect.
Concrete, press two green pass case buttons 61 simultaneously, two double-acting cylinders 3 are brought about the desired sensation and are driven upper cover 2 rotating down pressing, until two green pass case buttons 61 can be unclamped when the distance between casing 1 and upper cover 2 is 2mm, the inductor 9 be now arranged on double-acting cylinder 3 sense upper cover 2 near casing 1 need to close shielded box and make two double-acting cylinders 3 continue to bring about the desired sensation compress closed.
Two close and to be provided with redness be electrically connected with control circuit between case buttons 61 and to unpack button 62, and button 62 of unpacking is arranged between two pass case buttons 61; When closure state shielded box opened by needs, press red unpacking button 62, upper cover 2 is pressed down and casing 1 rotating separation, opens shielded box.
If be provided with fixture in shielded box, the support plate plateau levels of fixture enters after above casing 1 and puts in place in vertical depression, and then upper cover 2 presses down and covers with casing 1, carries out the automatic test of tested electronic product.Wherein, each action of shielded box is provided with corresponding transducer and follows the tracks of, and to determine that action all puts in place, if wherein the transducer of a step does not sense that action puts in place, then whole shielded box turns back to initial shape position.
After completing test, press red unpacking button 62 or sent the control signal of opening shielded box by external test macro, upper cover 2 rises to be separated with casing 1 and opens shielded box, the support plate platform of fixture vertically rises under the effect of the first cylinder, then under the effect of the second cylinder, level exits, equally, each action of shielded box is provided with corresponding transducer and follows the tracks of, to determine that action all puts in place, if wherein the inductor of a step does not sense that action puts in place, then whole shielded box stops action and keeps halted state.
In one embodiment, with reference to Fig. 2, the main body due to shielded box generally adopts metal material to make, and weight is comparatively large, and for convenience of the carrying of shielded box, the both sides that lowering or hoisting gear installed by casing 1 are respectively arranged with handle 5, facilitate mobile shielded box.
In one embodiment, with reference to Fig. 1, Fig. 3, carry out covering in process at the upper cover 2 of shielded box, if occur that hand is surprisingly placed in this region by foreign matter or operating personnel at casing 1 and covering on face of upper cover 2, easily damage is caused to shielded box structure itself and operating personnel.For this reason, shielded box is provided with the grating protective device 4 of finger function, concrete, and grating protective device 4 comprises and is arranged on casing 1 and installs the photophore 41 of the side of lowering or hoisting gear and be arranged on the light-receiving device 42 that the opposite side of lowering or hoisting gear installed by casing 1; Photophore 41 produces the infrared beam of coding, and light-receiving device 42 receives corresponding light beam, produces the protection zone that is covered with infrared beam between photophore 41 and light-receiving device 42.If operating personnel do not notice that handle or other foreign matters are placed in the protection zone between casing 1 and upper cover 2 in shielded box closing course; then corresponding infrared beam is blocked; grating protective device 4 sends signal and makes pass case order invalid; shielded box can not close; avoid the tested electronic product of closed injury or operating personnel, effective protection is formed to operating personnel.
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 (10)
1. an angle folding shielded box, is characterized in that: the lowering or hoisting gear comprising casing (1), upper cover (2) and be inclined between described casing (1) and upper cover (2);
Being rotatably interconnected by hinge (8) between described casing (1) and upper cover (2);
Described casing (1) is connected with upper cover (2) two ends being arranged on described lowering or hoisting gear respectively, described lowering or hoisting gear drive described upper cover (2) around hinge (8) rotate and near or away from described casing (1);
The face that covers between described casing (1) and upper cover (2) is for being obliquely installed;
Described casing (1) and upper cover (2) fit down to cover on face and have been disposed adjacent at least one shielding groove (11) along its length, upper cover (2) the conjunction face that described upper cover (2) and casing (1) fit are disposed adjacent along its length the shield protrusion (21) that shielding groove (11) described with each matches;
The height of described shield protrusion (21) is equal to or less than the degree of depth of described shielding groove (11).
2. a kind of angle folding shielded box as claimed in claim 1, is characterized in that: be filled with flexible conducting material layer in described shielding groove (11), described shield protrusion (21) is enclosed with flexible conducting material layer.
3. a kind of angle folding shielded box as claimed in claim 1; it is characterized in that: described shielded box is provided with the grating protective device (4) of finger, described grating protective device (4) comprises the photophore (41) being arranged on described casing (1) side and the light-receiving device (42) being arranged on described casing (1) opposite side.
4. a kind of angle folding shielded box as claimed in claim 1, it is characterized in that: the quantity of described shielding groove (11) is one, the quantity of described shield protrusion (21) is one, and the width of described shielding groove (11) is 5mm, the thickness of described shield protrusion (21) is 3mm.
5. a kind of angle folding shielded box as claimed in claim 1, it is characterized in that: described lowering or hoisting gear comprises two double-acting cylinders (3), the cylinder body (31) of described double-acting cylinder (3) is connected on described casing (1), and described upper cover (2) is connected with piston rod (32) end of described double-acting cylinder (3).
6. a kind of angle folding shielded box as claimed in claim 1, is characterized in that: the angle of inclination in the face that covers between described casing (1) and upper cover (2) is 25 ° ~ 60 °.
7. a kind of angle folding shielded box as claimed in claim 1, is characterized in that: described shielded box also comprises the control circuit that is arranged on described casing (1) bottom and green pass case button (61) of two of being electrically connected with described control circuit and a red unpacking button (62); Described pass case button (61) keeps at a certain distance away and is set in parallel on casing (1), and described unpacking button (62) is arranged between two described passes case button (61).
8. a kind of angle folding shielded box as claimed in claim 1, it is characterized in that: described shielded box is also provided with fixture, described fixture comprise support plate platform for loading tested electronic product, for drive described support plate platform in the vertical direction action first drive cylinder, for drive described support plate platform in the horizontal direction action second drive cylinder.
9. a kind of angle folding shielded box as claimed in claim 1, is characterized in that: the internal face of described casing (1) and upper cover (2) is equipped with the absorbing material layer for strengthening shield effectiveness.
10. a kind of angle folding shielded box as claimed in claim 1, it is characterized in that: described shielded box is provided with the indicator light being used to indicate test result, described casing (1) being provided with the RF radio frequency interface (72) for connecting outer testing system and filter connector (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644658.1U CN204244642U (en) | 2014-10-30 | 2014-10-30 | A kind of angle folding shielded box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644658.1U CN204244642U (en) | 2014-10-30 | 2014-10-30 | A kind of angle folding shielded box |
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| Publication Number | Publication Date |
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| CN204244642U true CN204244642U (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420644658.1U Active CN204244642U (en) | 2014-10-30 | 2014-10-30 | A kind of angle folding shielded box |
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| CN (1) | CN204244642U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249011A (en) * | 2016-08-15 | 2016-12-21 | 珠海市博杰电子有限公司 | A kind of performance test shielded box |
| CN107018646A (en) * | 2017-05-19 | 2017-08-04 | 深圳市佳晨科技有限公司 | A kind of shielded box |
| CN107635391A (en) * | 2017-10-18 | 2018-01-26 | 四川嘉义雷科电子技术有限公司 | The shielded box of electromagnetic compatibility easy to use |
| CN108547557A (en) * | 2018-06-21 | 2018-09-18 | 深圳市金石医疗科技有限公司 | Flexible radio frequency shield door and magnetic resonance equipment |
| CN111707848A (en) * | 2020-07-21 | 2020-09-25 | 昆山富士高自动化设备有限公司 | ICT test fixture opening and closing device |
-
2014
- 2014-10-30 CN CN201420644658.1U patent/CN204244642U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249011A (en) * | 2016-08-15 | 2016-12-21 | 珠海市博杰电子有限公司 | A kind of performance test shielded box |
| CN107018646A (en) * | 2017-05-19 | 2017-08-04 | 深圳市佳晨科技有限公司 | A kind of shielded box |
| CN107018646B (en) * | 2017-05-19 | 2023-08-18 | 深圳市佳晨科技有限公司 | Shielding box |
| CN107635391A (en) * | 2017-10-18 | 2018-01-26 | 四川嘉义雷科电子技术有限公司 | The shielded box of electromagnetic compatibility easy to use |
| CN108547557A (en) * | 2018-06-21 | 2018-09-18 | 深圳市金石医疗科技有限公司 | Flexible radio frequency shield door and magnetic resonance equipment |
| CN108547557B (en) * | 2018-06-21 | 2023-11-10 | 深圳市金石医疗科技有限公司 | Flexible radio frequency shielding door and magnetic resonance equipment |
| CN111707848A (en) * | 2020-07-21 | 2020-09-25 | 昆山富士高自动化设备有限公司 | ICT test fixture opening and closing device |
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