CN1275823A

CN1275823A - Explosion-resistant antenna casing for geological radar

Info

Publication number: CN1275823A
Application number: CN 99107711
Authority: CN
Inventors: 彭苏萍; 杨峰
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-05-26
Filing date: 1999-05-26
Publication date: 2000-12-06
Anticipated expiration: 2019-05-26
Also published as: CN1141754C

Abstract

The geologic radar explosion-proof antenna casing is formed from upper cover and base, in which the upper cover is equipped with electric cell box and power supply interface, and the upper cover is fixedly connected with base by means of rivet, and its junction surface is bonded by fluid sealant, so that the interior of said casing is completely isolated from exterior. The bottom surface of said base utilizes concave-convex moulding to raise compression strength and beat strength of its whole shell body. Said invention not only can be used as single-set type antenna, but also can be used as double-set type antenna. The double-set type antenna is connected by means of screw of side plate, the electric cell can be fixed in the interior of casing for supplying power to antenna circuit, so it is applicable to ground environment, and applicable to gas and coal dust environments.

Description

Explosion-resistant antenna casing for geological radar

Geological radar is a kind of high-resolution subsurface investigation and the non-destructive detecting device that closely just grows up during the last ten years, has carried out using widely in many industries and department.Its application prospect more and more is expected.Antenna is geological radar " transducer ", and it is launching electromagnetic wave both, receives electromagnetic wave again.Antenna volume accounts for about 80% of complete equipment volume, and antenna casing directly determines antenna inner core and open-air realization, convenience, even has influence on its accommodation.From the beginning of the eighties, China begins to introduce and use geological radar.At present, the domestic overseas equipment that is using has: the RAMAC series that the YL series that the Pulse EKKO series that SIR series produced in USA, Canada produce, Japan produce, Sweden produce.Having of domestic-developed and use: the underground geological radar of Chongqing coal science research institute exploitation; Special radar set is detected in the expressway of aerospace studies institute exploitation; The integrated amphibious ground penetrating radar of Guangzhou Geochemistry Inst., Chinese Academy of Sciences's exploitation etc.All have following characteristics in the use in the open air of the shell of above-mentioned antenna: (1) can not normally use under mine, although indivedual geological radar antenna has explosion-resistance characteristic, because its antenna shapes and difficult on-the-spot use, thereby badly influence Effect on Detecting; (2) power supply external, execute-in-place must use independent storage battery that antenna is powered, and bring many difficulties for on-the-spot detection operations; (3) spare and accessory parts of antenna are more, and integration is very poor; (4) antenna volume is big; (5) transmitting antenna with accept antenna and be split type, execute-in-place is extremely inconvenient.

The present invention has summed up the operating position at above-mentioned various serial geological radars scene, inherits its advantage, the unfavorable face of the on-the-spot use of its that goes.Its appearance, having overcome in the past, geological radar too relies on the condition of surveying the place.Place operate as normal such as the present invention not only can be on the abrupt slope, cairn field, weeds clump also can be moist under mine, work under the adverse circumstances of many dust.Series of advantages such as it has resistance to compression, anti-beat, wear-resistant and explosion-proof.

The present invention realizes by following structure technology scheme: the overall structure schematic diagram of explosion-resistant antenna casing for geological radar as shown in Figure 1, it is made up of loam cake (I) and base (II), (III) is the potted line of loam cake and base.The explosion-resistant antenna casing upper cover top view as shown in Figure 2, on Fig. 2 as seen: left and right battery case (6) (6 '), left and right battery case sealing gasket (7) (7 '), left and right handle (19) (19 '), last lid top panel (3), loam cake limit platform (4), control circuit board socket (1), wiring board sealing strip (2), loam cake slanting baffle (5).The loam cake longitudinal side to plan view as shown in Figure 3, on Fig. 3 as seen: loam cake slanting baffle (5), longitudinal side baffle plate (8), the vertical glued bar of loam cake (9), left and right battery case (6 ') (6 ').The horizontal side direction plan view of loam cake as shown in Figure 4, on Fig. 4 as seen: the horizontal side board of loam cake (10), battery case (6), the horizontal glued bar of loam cake (11).Explosion-resistant antenna casing for geological radar base upward view as shown in Figure 5, on Fig. 5 as seen: base slanting baffle (15), concave bottom plate (17) and sunken bottom plate (16).The base longitudinal side to plan view as shown in Figure 6, on Fig. 6 as seen: rivet (18), base longitudinal side baffle plate (12), base slanting baffle (13).The horizontal side direction plan view of base as shown in Figure 7, on Fig. 7 as seen: rivet (18), screw (20), sled (19), the horizontal side board of base (14).Battery case of the present invention can be opened the replacing battery at any time.Can change control circuit board at any time by the control circuit board socket.The handshaking of entire antenna and main frame only realizes by the control circuit board socket that this significantly reduces the quantity of accessory.

The present invention compares with existing geological radar antenna shell following advantage and effect: (1) installs sled at base, has avoided the direct friction of antenna casing bottom with ground, has prolonged the useful life of housing greatly; (2) base end face is designed to the buckplate face, has greatly strengthened the compression strength of housing; (3) loam cake and base are fixed by rivet on vertical glued bar of loam cake and base side shield, use fluid sealant to be bonded together, and make whole casing body one integrated mass, have greatly strengthened the resistance to compression of whole housing and have beaten ability; (4) whole enclosure interior is as the casing that is isolated from the outside, can be under the extremely uneven condition in the face of land operate as normal, also can be as operate as normal under the big mine of coal dust under adverse circumstances; (5) battery is built in enclosure interior, greatly convenient open-air detection operations; (6) the swash plate shape is made on the vertical limit of loam cake, promptly reduces volume, has strengthened compression strength again; (7) compared with similar products, not only volume reduces, and open-air adaptability is more extensive; (8) the present invention promptly can be used as and singly puts the use of formula antenna casing, also can be used as two formula antenna casings of putting and uses.

Embodiment of the present invention is as follows: loam cake of (1) explosion-resistant antenna casing for geological radar and base use good insulating and have certain intensity, resistance to wear and flexible material---pass through injection molded as polyethylene; (2) loam cake and base are fixed by rivet, and fluid sealant is bonding; (3) select the good dry sheet material of good insulating, intensity as side board at the housing medial surface; (4) sled selects for use extremely wear-resisting material to be made into strip, and two upwarps into arcuation,, can load and unload at any time in the horizontal side of antenna casing by screw.(5) battery and control circuit board are hedged off from the outer world by sealing gasket, and the wiring board power supply obtains from the battery of enclosure interior.

Claims

1, a kind of explosion-resistant antenna casing for geological radar, its claim is as follows: it is made up of loam cake (I) and base (II) two parts.These two parts are at adhesive tape (9), (11) outside and the longitudinal and transverse side board of base (8), (14) inboard place of loam cake vertical, horizontal, and fixing by rivet (18), sealing silica gel is bonding.Make loam cake (I) and base (II) one integrated mass.There is antenna kernel control circuit board socket (1) at middle part, loam cake (I) top, and wiring board is gone up totally-enclosed fixing at wiring board sealing gasket (2).Both sides, loam cake (I) top are internal battery boxes (6) (6 '), in this box battery in battery case on the sealing gasket (7) (7 ') hermetically sealed fixing with loam cake (I).In the top of battery case (6) (6 ') is left and right sides handle (19) (19 ').The both sides at loam cake (I) body top are made up of loam cake slanting baffle (5) and loam cake limit platform (4) symmetry.This invention had not only been satisfied the needs of antenna kernel but also had been increased the compression strength of whole housing.Around the loam cake is longitudinal and transverse side board (8) (10).The horizontal side of base (II) is the horizontal side board of base (14).Fixedly rivet of usefulness (18) and screw (20) are arranged on this baffle plate.The sled (19) that has abrasionproof to use at lower limb.Base (II) longitudinal side top is base longitudinal side baffle plate (12), and the bottom is base slanting baffle (13).The rivet (18) that fixation has been arranged on top.In the base bottom is concave bottom plate (17) and sunken bottom plate (16), and this invention can be strengthened the compression strength of whole housing greatly.

2, a kind of shape and size that what is claimed is according to different frequency antenna kernel, the diverse location at antenna casing can be designed in the position of battery case (6) and control circuit board socket.

3, to require be that antenna casing is totally-enclosed for a kind of patent, can be in the many adverse circumstances of explosive, high humidity and coal dust operate as normal.