CN101937107B - Cabinet and radioactive substance detection device - Google Patents
Cabinet and radioactive substance detection device Download PDFInfo
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- CN101937107B CN101937107B CN2009100886384A CN200910088638A CN101937107B CN 101937107 B CN101937107 B CN 101937107B CN 2009100886384 A CN2009100886384 A CN 2009100886384A CN 200910088638 A CN200910088638 A CN 200910088638A CN 101937107 B CN101937107 B CN 101937107B
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Abstract
The invention relates to a cabinet which comprises a cabinet main body and a main cabinet door, wherein the cabinet main body comprises a first door frame part, and an electric conducting sealing strip is arranged around the periphery edge of the first door frame part; one part of the main cabinet door corresponding to the electric conducting sealing strip is provided with an electric conducting belt. When the main cabinet door is closed to the first door frame part, the electric conducting sealing strip is connected with the electric conducting belt so as to realize electric conducting connection and sealing between the main cabinet door and the cabinet main body.
Description
Technical field
The present invention relates to a kind of cabinet and radiomaterial checkout equipment, particularly, relate to a kind of radiomaterial checkout equipment that has the cabinet of electromagnetic screen, functions of waterproof and dustproof and comprise this cabinet.
Background technology
The radiomaterial checkout equipment is customs, civil aviaton, railway, the essential checkout equipment of each big steel mill; Be used for to deliveries such as train, container, pedestrian or the radiomaterial that carries for example cobalt 60 detect; Comprise cabinet as the one of which, sniffers such as gamma detector and neutron detector are installed in cabinet.Because the specific function of this checkout equipment and special environment for use, therefore must meet following request for utilization: complete machine possesses electro-magnetic screen function; Water proof and dust proof reaches IP55; Meet GB/T16663.1 rack mechanical test and safety requirements; Meet the requirement of IEC62244 associated mechanical.Therefore must carry out electromagnetic screen and water proof and dust proof to the cabinet that detector is installed handles; This relates generally to handles water proof and dust proof between cabinet main body and the cabinet door and electromagnetic screen, and cabinet and external component are for example triggered the water proof and dust proof and the electromagnetic screen processing of the coupling part between the sensor.
For waterproof and dustproof structure and the electromagnetic armouring structure between cabinet door and the cabinet main body; The processing of generally adopting at present is the waterproof and dustproof structure between cabinet door and the cabinet main body and electromagnetic armouring structure branch to be come do; Its weakness is: in a smaller zone, arrange waterproof and dustproof structure and electromagnetic armouring structure simultaneously, to realize water proof and dust proof and electro-magnetic screen function; So its structure more complicated; And waterproof and dustproof structure and electromagnetic armouring structure interfere with each other easily, than higher, and requires also higher to the planarization of base material to bonding and the technological requirement that is installed; Product in the present market, the product that has has been realized functions of waterproof and dustproof, but conducting function is not very desirable, perhaps conducts electricity very well, owing to interfere each other, bow warping causes the water proof and dust proof performance bad.
For electromagnetic screen and the waterproof and dustproof structure between cabinet main body and external component such as the trigger, traditional structure is that trigger is installed on the cabinet main body, then, at first between trigger and cabinet main body, seals with the trigger end-face seal ring; Then, inner at trigger, between sensor and trigger installation tube, seal with the sensor O-ring seal, can therefore not need two seals here to guarantee the water in the trigger installation tube along with the outside line that is connected with sensor gets into cabinet; In addition, realize the electromagnetic screen between sensor and the cabinet main body with traditional electro-conductive glass.Adopt such structure, on the one hand,, will realize cabling, water proof and dust proof, electromagnetic screen, maintenance adjustment simultaneously, implement very complicated, make the water proof and dust proof of cabinet main body and electromagnetic screen difficulty strengthen in the wire hole position of cabinet.On the other hand; Because the trigger of major-minor cabinet requires and can realize the butt joint that transmits and receives through adjusting; When employing is installed in trigger the structure on the cabinet main body,, must the cabinet door be opened by trigger when being adjusted, after finishing, adjustment closes the Over-The-Counter door once more.For the radiomaterial checkout equipment that adopts double-deck cabinet body structure; The upper strata cabinet is usually on the height more than the 2m; Therefore; Whenever the adjustment operation of all need soaring aloft during trigger removes to open bigger cabinet door (the for example cabinet door about 1.1m), implement quite difficulty, field engineer's security is lower.
Summary of the invention
The objective of the invention is to solve at least or alleviate one of above-mentioned the problems of the prior art, a kind of improved cabinet electromagnetic screen, waterproof and dustproof structure and method are provided.
According to the present invention, a kind of cabinet is proposed, comprising: the cabinet main body, said cabinet main body comprises the first doorframe part, is provided with the conductive seal bar around said first doorframe periphery edge partly; Main cabinet door; Have conductive strips on the part of said main cabinet Men Zaiyu conductive seal bar correspondence; When said main cabinet door was closed into said first doorframe and partly goes up, said conductive seal bar was connected with said conductive strips, to realize simultaneously between main cabinet door and the cabinet main body that conduction is connected and seals.
According to embodiments of the invention, the top of said first doorframe part is outwards outstanding forming the first rain eaves structure, and when said main cabinet door was closed into the said first doorframe part, said main cabinet door was positioned at the said bottom of stating the first rain eaves structure.
According to embodiments of the invention, cabinet also comprises the Strain lock that is arranged on the main cabinet door, is used to adjust the decrement of conductive seal bar.
According to embodiments of the invention, said first doorframe comprises that partly said conductive seal bar is installed on the said seamed edge from the outside vertically extending seamed edge of the said first doorframe part.
According to embodiments of the invention, an end of said conductive seal bar comprises the elasticity draw-in groove, and said elasticity draw-in groove is installed on the said seamed edge.
According to embodiments of the invention; Said cabinet comprises and the relative sonde door of main cabinet door; Said cabinet main body comprises the second doorframe part relative with the said first doorframe part; The periphery of said sonde door has the bonding part, and said second doorframe part realizes conduction with said bonding part through contacting.
According to embodiments of the invention, the top of said second doorframe part is outwards outstanding to form the second rain eaves structure, and said sonde door is installed in the bottom of the said second rain eaves structure.
According to embodiments of the invention, said second doorframe part and said bonding part are through the rivet mechanical connection.
According to embodiments of the invention, have conductive strips at least one in said second doorframe part and the said bonding part, said second doorframe part and said bonding part are in contact with one another through conductive strips and realize being electrically connected.
According to embodiments of the invention, the seam crossing between said second doorframe part and said bonding part is used the fluid sealant joint filling, between cabinet main body and sonde door, to realize the water proof and dust proof sealing.
According to embodiments of the invention, said sonde door is processed by aluminum.
According to embodiments of the invention, cabinet further comprises the wire hole that is arranged on the said cabinet main body, and the line pipe adapter that rubs is set at said wire hole place, is used to install the cable that is used to connect external component.
According to embodiments of the invention, trigger is arranged on the outside of cabinet, and is connected to cabinet through the line pipe adapter that rubs on the cabinet.
According to a further aspect in the invention, propose a kind of radiomaterial checkout equipment, comprise aforesaid cabinet; Be arranged on the radiomaterial detector in the said cabinet.
According to one embodiment of present invention, said radiomaterial detector comprises gamma detector and neutron detector.
Description of drawings
Fig. 1 is the overall perspective of radiomaterial checkout equipment of the present invention.
Fig. 2 is the guide wire of alternative shape of Fig. 1.
Fig. 3 is the broken section skeleton view that the conductive seal bar when main cabinet door is shown with cabinet main body closure is connected with conductive strips.
Fig. 4 is that sectional perspective view is amplified in the part of Fig. 3.
Fig. 5 is the local amplification view of the bonding part between sonde door and the cabinet main body.
Embodiment
Below in conjunction with accompanying drawing specific embodiment of the present invention is described.
(1) cabinet main body frame and electromagnetic screen and the water proof and dust proof of opening door
Fig. 1 shows the overall perspective of radiomaterial checkout equipment according to an embodiment of the invention.Fig. 2 is the guide wire of alternative shape of Fig. 1.As depicted in figs. 1 and 2, the radiomaterial checkout equipment comprises cabinet 1, and devices such as gamma detector 9, neutron detector 10 and control module are installed in cabinet.Cabinet comprises: cabinet main body 1; Main cabinet door 2; The sonde door 3 that be positioned at cabinet main body rear side relative with main cabinet door; Be positioned at the some wire holes 4 on the cabinet main body 1; Said cabinet main body 1 comprises the first doorframe part 8 and the second doorframe part (not shown); Said main cabinet door 2 has first bonding part 12; Said first bonding part 12 engages with the said first doorframe part 8 when main cabinet door 2 is closed; Said sonde door 3 has the second bonding part (not shown), and said second bonding part partly engages with said second doorframe when sonde door is installed.Cabinet main body 1 is formed for installing the main frame of detector etc., can select the common iron manufacturing for use.Main cabinet door 2 often needs opening and closing as the passage of equipment installation and maintenance, can select for use and said cabinet main body identical materials.Because the special arrangement of cabinet body interior detector, and two kinds of detectors are different to the requirement of material, sonde door 3 general employings low density material such as the aluminium manufacturing different with the cabinet main body.Wire hole 4 is as input, the output interface of cabinet and external signal communication.
Fig. 3 is the broken section skeleton view that the conductive seal bar when main cabinet door is shown with cabinet main body closure is connected with conductive strips.As illustrated in fig. 1 and 2; According to the present invention, electromagnetic screen, the waterproof and dustproof structure of cabinet are designed to: conductive seal bar 7 is installed on the said first doorframe part 8, on part corresponding with conductive seal bar 7 on the said main cabinet door 2, conductive strips 6 is set; When said main cabinet door 2 is closed; Said conductive seal bar 7 contacts with said conductive strips 6, realizing simultaneously between main cabinet door 2 and the cabinet main body 1 that conduction is connected and seals, thereby reaches the purpose of electromagnetic screen and water proof and dust proof.
In order to reach the desired water proof and dust proof performance of radiomaterial checkout equipment, the conductive seal bar 7 of selection should be able to reach water proof and dust proof IP55 grade.According to embodiments of the invention, conductive seal bar 7 is T font conductive seal bars, and the bottom surface of T font is a sealed end, when conductive strips 6 contacts of closing on Over-The-Counter Men Shiyu cabinet door 2 planes.Conductive seal bar 7 is installed on the doorframe installation seamed edge 15 partly of cabinet main body.Seamed edge 15 is installed from outwards vertical extension of the said first doorframe part 8.Being installed of conductive seal bar 7 referring to Fig. 4.The side that is installed of conductive seal bar 7 has spring card slot, is used to engage the installation seamed edge 15 on the periphery edge of the first doorframe part 8.When being installed,, sealing strip 7 is pressed on the installation seamed edge 15 equably along the first doorframe part 8.For enhance seal performance, Strain lock 11 can be set on the cabinet door.According to embodiments of the invention, on main cabinet door 2, evenly arranged 6 Strain lock, each one of top and bottom, four of sides are evenly arranged, and it can be according to user's climatic environment, degree of protection requirement, and adjustment is to the decrement of conductive seal bar 7.When closing main cabinet door 2; When making the sealed end of conductive seal bar 7 contact the conductive strips 6 on main cabinet door 2 planes; Through adjusting the Strain lock 11 on the main cabinet door 2, compression seal bar 7 makes sealing strip 7 that enough distortion arranged; Make to form very strong " barrier " between conductive seal bar 7 and the main cabinet door 2, further improved the water proof and dust proof performance.
When selecting conductive seal bar 7 with conductive strips 6, have the higher water proof and dust proof performance rate except selecting it, also select its electric conductivity purpose to realize electro-magnetic screen function.The cabinet of making being carried out electromagnetic screen when handling, carry out surface preparation in advance for main cabinet door 1, make the door surface conductive strips 6 that can directly bond.The bonding process of conductive strips 6 is following: after main cabinet door 1 zinc-plated completion; Take the film of the protection cementing agent on the side on the conductive strips 6 off with cementing agent; This side with bonding agent with conductive strips is bonded to the precalculated position on the cabinet door then, compresses compacting, then the cabinet door is done application.Because the opposite side of conductive strips also has diaphragm, can free application, application is removed this diaphragm after accomplishing again, thereby has realized that conductive strips contact with favorable conductive between the cabinet door, and the while can be realized good anti-oxidation performance.Utilize the viscosity of conductive strips 6 self, can solve the anticorrosion problem of main cabinet door well.For seamed edge 15 is installed, also be when application, seamed edge 15 is protected, good to guarantee conductive seal bar 7 in the back that is installed with cabinet main body 1 conduction.Bonding conductive strips 6 on main cabinet door 2; And on the installation seamed edge 15 of cabinet main body 1, install after the conductive seal bar 7; Shut main cabinet door 2, conductive seal bar 7 is contacted with conductive strips 6, promptly can be in the water proof and dust proof sealing that realizes between cabinet door 2 and the cabinet main body 1; Realize that the conduction between cabinet door 2 and the cabinet main body 1 connects, thereby realize the purpose of electromagnetic screen.
According to the present invention; Owing to use same device to realize that conduction connects and sealing, thereby when realizing electromagnetic screen, promptly realized water proof and dust proof, therefore; The electromagnetic screen and the waterproof and dustproof structure of cabinet are fairly simple; Practiced thrift installing space, and avoided electromagnetic armouring structure and waterproof and dustproof structure branch to come doing the waterproof and dustproof structure and the electromagnetic armouring structure that possibly occur interfering with each other the situation that causes functions of waterproof and dustproof and electro-magnetic screen function not to take into account; And installation process is fairly simple, and the planarization of base material is required and can reduce.
As shown in Figure 3, for further improving water-resistant performance, the top of the first doorframe part 8 can outwards be given prominence to, and forms rain eaves structure 5, and main cabinet door 2 is installed in the bottom of rain eaves structure 5.When the purpose of doing was like this avoided raining exactly, rainwater directly watered the slit between door and the cabinet main body, formed roof leaking, realized weakening the function of rainwater.Through designing rain eaves structure 5; Because the slit between cabinet main body 1 and the main cabinet door 2 is positioned at the below of rain eaves structure 5; A large amount of rainwater can not get in the slit along flowing through the slit perpendicular to being directed downwards of slit, have only a small amount of rainwater slowly to infiltrate between cabinet main body 1 and the main cabinet door 2 along the slit.The a small amount of rainwater that gets between cabinet main body 1 and the main cabinet door 2 is stopped by conductive seal bar 7; Can not get into cabinet inside; Harm equipment, but flow downward along the periphery of main cabinet door 2, flow to the bottom of main cabinet door 2; When design, design several osculums, just can a small amount of rainwater that get into main cabinet door 2 be discharged to outside the cabinet once more in the bottom of main cabinet door 2.
(2) electromagnetic screen and the water proof and dust proof of detector side low-density material and cabinet main body
Fig. 5 is the local amplification view of the bonding part between sonde door and the cabinet main body.Because the special arrangement of cabinet body interior detector; And two kinds of detectors are different to the requirement of material; Sonde door 3 is different with the cabinet main material, so sonde door 3 can not directly weld with cabinet main body 1, but needs independent installation on the cabinet main body; And after being in place, no longer open.
As shown in Figure 5, the second doorframe part 13 of cabinet main body 1 comprises the rain eaves structure 5 the same with the first doorframe part 8, and sonde door 3 is positioned at the below of rain eaves structure 5, thereby can prevent that rainwater from directly watering the slit 16 between cabinet main body 1 and the sonde door 3.
In order to realize that the conduction between sonde door 3 and the cabinet main body 1 connects, before sonde door 3 is installed, to the external coating of cabinet main body 1 time, the face that contacts with sonde door 3 of cabinet main body 1 is protected, make it possess excellent conducting performance; In addition, when pre-service is carried out on the surface of sonde door 3, sonde door 3 is protected with the face that the cabinet main body contacts, made it possess excellent conductive performance.Then sonde door 3 is installed on the cabinet main body, the second doorframe part 13 and second bonding part 14 are in contact with one another, realize that conduction connects.When sonde door 3 is installed, can pass through the rivet mechanical connection second doorframe part 13 and second bonding part 14, realize that the conduction between sonde door 3 and the cabinet main body 1 connects.Also can further at least one in the second doorframe part 13 and second bonding part 14 conductive strips be set, the said second doorframe part 13 be in contact with one another through conductive strips with said second bonding part 14 realize being electrically connected.Detailed process is following: when mounted, earlier a kind of special conductive strips are bonded on one of them face, sonde door 3 are packed in the cabinet main body again, the surface of contact of sonde door 3 and cabinet main body 1 is conducted electricity each other, the realization electro-magnetic screen function.The material of the material of cabinet main body 1 and sonde door 3 is after the riveted joint of closeer knot, and distortion not quite still can keep tight connection after the temperature variation, realizes basic sealing function.But, in order further to improve sealing property, can be when doing application (mopping); Earlier fluid sealant is squeezed in the cabinet main body 1 and the slit 16 between the sonde door 3 of design reservation; Floating, to be dried after, do application at the cabinet outside surface; Good electromagnetic screen, the water proof and dust proof performance of final realization, and guaranteed appearance.
(3) electromagnetic screen and the water proof and dust proof of outside wire hole and cabinet main body frame.
After the electromagnetic screen and water proof and dust proof processing accomplished between main cabinet door and cabinet main body and sonde door and the cabinet main body; At this moment cabinet has formed an enclosed cavity with excellent conductive performance and water proof and dust proof performance; But the device in the cabinet need with extraneous switching signal; Therefore cabinet needs signal input output interface, for this reason, some wire holes 4 is set on the cabinet main body.For electromagnetic screen and the water proof and dust proof between wire hole 4 and the cabinet main body 1, adopt the line pipe adapter that rubs that is arranged on the wire hole place to realize with electromagnetic screen and water proof and dust proof performance.
(4) electromagnetic screen of cabinet main body and trigger and water proof and dust proof
For the electromagnetic screen of trigger and cabinet main body, traditional way needs repeatedly the switch cubicle door that trigger is adjusted, to realize the butt joint that transmits and receives of major-minor cabinet because trigger is installed on the cabinet main body.And, need between trigger and cabinet main body, seal, and between trigger sensor and trigger installation tube, carry out the sealing of second road with the sensor O-ring seal with the trigger end-face seal ring.And realize the electromagnetic screen of sensor and cabinet main body with electro-conductive glass.Above-mentioned traditional way has foregoing shortcoming, so inadvisable.The way that the present invention takes for the water proof and dust proof between trigger and the cabinet main body and electromagnetic screen is to adopt the solution of handling respectively: adopt water proof and dust proof, electromagnetic screen and cabling to do together, safeguard the mentality of designing that adjustment is singly done.
Particularly, the present invention is installed in the position beyond the cabinet main body with trigger and support thereof, at wire hole 4 places of cabinet cable tube joint is set, and is used to make cable discrepancy cabinet, and the protection cable is realized the water proof and dust proof effect simultaneously.Cable is used to connect external components such as trigger.It is the line pipe adapter that rubs of IP55 that cable tube joint adopts the water proof and dust proof grade, guarantees the electric conductivity and the sealing property of cable tube joint and cabinet main body through special processing.Like this, trigger and support thereof are installed in beyond the cabinet main body, cable are drawn from the line pipe adapter that rubs on the cabinet main body, and be connected with trigger.Thereby need not open the cabinet door again trigger is safeguarded, therefore, be convenient to maintenance, installation, the debugging of trigger.
Compare with prior art, the present invention is simple in structure, has both realized the electromagnetic screen and the water proof and dust proof requirement of system requirements, has also solved the simplification production operation problem of mass production.
According to above-mentioned technical scheme,, belong to protection scope of the present invention if the electromagnetic screen of above-mentioned cabinet and water proof and dust proof project organization are applied to the radiomaterial check system.
According to above-mentioned technical scheme,, also belong to protection scope of the present invention if the electromagnetic screen of above-mentioned cabinet and water proof and dust proof project organization are applied to radiation imaging check system.
According to above-mentioned technical scheme,, also belong to protection scope of the present invention if the electromagnetic armouring structure of above-mentioned cabinet main body is applied to the cabinet agent structure of relevant industries.
Claims (15)
1. cabinet comprises:
The cabinet main body, said cabinet main body comprises the first doorframe part, is provided with the conductive seal bar around said first doorframe periphery edge partly;
Main cabinet door; Have conductive strips on the part of said main cabinet Men Zaiyu conductive seal bar correspondence; When said main cabinet door was closed into said first doorframe and partly goes up, said conductive seal bar was connected with said conductive strips, to realize simultaneously between main cabinet door and the cabinet main body that conduction is connected and seals.
2. cabinet according to claim 1, wherein, the top of said first doorframe part is outwards outstanding forming the first rain eaves structure, and when said main cabinet door was closed into the said first doorframe part, said main cabinet door was positioned at the bottom of the said first rain eaves structure.
3. cabinet according to claim 1 also comprises the Strain lock that is arranged on the main cabinet door, is used to adjust the decrement of conductive seal bar.
4. cabinet according to claim 2, wherein, said first doorframe comprises that partly said conductive seal bar is installed on the said seamed edge from the outside vertically extending seamed edge of the said first doorframe part.
5. cabinet according to claim 4, wherein, an end of said conductive seal bar comprises the elasticity draw-in groove, said elasticity draw-in groove is installed on the said seamed edge.
6. cabinet according to claim 1; Wherein, Said cabinet comprises and the relative sonde door of main cabinet door; Said cabinet main body comprises the second doorframe part relative with the said first doorframe part, and the periphery of said sonde door has the bonding part, and said second doorframe part realizes conduction with said bonding part through contacting.
7. cabinet according to claim 6, wherein, the top of said second doorframe part is outwards outstanding to form the second rain eaves structure, and said sonde door is installed in the bottom of the said second rain eaves structure.
8. cabinet according to claim 6, wherein, said second doorframe part and said bonding part are through the rivet mechanical connection.
9. cabinet according to claim 6 wherein, has conductive strips at least one in said second doorframe part and the said bonding part, and said second doorframe part and said bonding part are in contact with one another through conductive strips and realize being electrically connected.
10. according to the cabinet of claim 6, wherein, the seam crossing between said second doorframe part and said bonding part is used the fluid sealant joint filling, between cabinet main body and sonde door, to realize the water proof and dust proof sealing.
11. cabinet according to claim 6, wherein, said sonde door is processed by aluminum.
12. cabinet according to claim 1 further comprises the wire hole that is arranged on the said cabinet main body, and the line pipe adapter that rubs is set at said wire hole place, is used to install the cable that is used to connect external component.
13. cabinet according to claim 1 wherein, is arranged on the outside of cabinet with trigger, and is connected to cabinet through the line pipe adapter that rubs on the cabinet.
14. a radiomaterial checkout equipment comprises like each the described cabinet in the above-mentioned claim;
Be arranged on the radiomaterial detector in the said cabinet.
15. radiomaterial checkout equipment as claimed in claim 14, wherein said radiomaterial detector comprises gamma detector and neutron detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100886384A CN101937107B (en) | 2009-06-30 | 2009-06-30 | Cabinet and radioactive substance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100886384A CN101937107B (en) | 2009-06-30 | 2009-06-30 | Cabinet and radioactive substance detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101937107A CN101937107A (en) | 2011-01-05 |
| CN101937107B true CN101937107B (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100886384A Expired - Fee Related CN101937107B (en) | 2009-06-30 | 2009-06-30 | Cabinet and radioactive substance detection device |
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| CN (1) | CN101937107B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108351231A (en) * | 2014-03-14 | 2018-07-31 | 泰科电子瑞侃有限公司 | For installing sensor and for the device and method of sealed cabinet |
| SE539200C2 (en) * | 2015-09-09 | 2017-05-09 | BAE Systems Hägglunds AB | Sealing arrangement for an amphibious vehicle |
| CN109334688A (en) * | 2018-11-12 | 2019-02-15 | 中车资阳机车有限公司 | Side door structure between a kind of multi-functional mechanical |
| CN110139546A (en) * | 2019-06-20 | 2019-08-16 | 佛山市顺德区恒昌通信器材有限公司 | A kind of communication electromagnetic shielding outdoor cabinet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85107800A (en) * | 1985-10-23 | 1986-07-23 | 成都地质学院 | Radon and daughter detection device thereof and method of work in the earth |
| US5268683A (en) * | 1988-09-02 | 1993-12-07 | Stolar, Inc. | Method of transmitting data from a drillhead |
| CN1441244A (en) * | 2003-03-01 | 2003-09-10 | 中国电子科技集团公司第二十二研究所 | Rock fragment depicting instrument and quantitative analysis method of lithologic character and oil-bearing abundance of rock fragment |
| CN201429993Y (en) * | 2009-06-30 | 2010-03-24 | 同方威视技术股份有限公司 | Cabinet body and radioactive substance detection device |
-
2009
- 2009-06-30 CN CN2009100886384A patent/CN101937107B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85107800A (en) * | 1985-10-23 | 1986-07-23 | 成都地质学院 | Radon and daughter detection device thereof and method of work in the earth |
| US5268683A (en) * | 1988-09-02 | 1993-12-07 | Stolar, Inc. | Method of transmitting data from a drillhead |
| CN1441244A (en) * | 2003-03-01 | 2003-09-10 | 中国电子科技集团公司第二十二研究所 | Rock fragment depicting instrument and quantitative analysis method of lithologic character and oil-bearing abundance of rock fragment |
| CN201429993Y (en) * | 2009-06-30 | 2010-03-24 | 同方威视技术股份有限公司 | Cabinet body and radioactive substance detection device |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-40140A 2002.02.06 |
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| CN101937107A (en) | 2011-01-05 |
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Granted publication date: 20121114 Termination date: 20200630 |