CN114096104A - Small-size detecting device complete machine structure - Google Patents
Small-size detecting device complete machine structure Download PDFInfo
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- CN114096104A CN114096104A CN202111544744.6A CN202111544744A CN114096104A CN 114096104 A CN114096104 A CN 114096104A CN 202111544744 A CN202111544744 A CN 202111544744A CN 114096104 A CN114096104 A CN 114096104A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
- H01Q1/525—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between emitting and receiving antennas
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/36—Assembling printed circuits with other printed circuits
- H05K3/368—Assembling printed circuits with other printed circuits parallel to each other
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/064—Hermetically-sealed casings sealed by potting, e.g. waterproof resin poured in a rigid casing
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
A small-sized detecting device complete machine structure comprises a base, a signal processing board, a radio frequency board, an antenna parting strip, a shell, a low-frequency cable and an electric connector; the base comprises a flange plate and a boss; cable outlet holes are arranged on the flange plate and the lug boss; the signal processing board is arranged above the boss; the radio frequency board is arranged above the signal processing board; a receiving and transmitting antenna is arranged on the radio frequency board, and an antenna parting strip is arranged on the radio frequency board; the two ends of the shell are open, and the lower end of the shell is sleeved on the outer cylindrical surface of the boss; the signal processing board and the radio frequency board are arranged in the inner cavity of the shell; a sealing ring is arranged between the peripheral surface of the radio frequency plate and the inner wall of the shell; one end of the low-frequency cable penetrates through the cable outlet hole to be connected with the signal processing board, and the other end of the low-frequency cable is connected with the electric connector. The cable replacement device is simple in structure, when the components are replaced, the components inside the cable replacement device can be replaced only by opening the shell, when the low-frequency cable is replaced, the low-frequency cable only needs to be drawn out of the cable outlet hole, and the component is simple and convenient to detach and operate.
Description
Technical Field
The invention relates to the technical field of detection devices, in particular to a whole structure of a small detection device.
Background
The detection device is an important component of aerospace products, and is mainly used for fixed-height detection, sending a near-explosion detonation instruction and detonating a warhead. The whole structure of the detection device mainly organically connects the components in the detection device together, so that the detection device has higher vibration resistance, impact resistance, high reliability and electromagnetic compatibility.
The whole structure of the existing detection device is generally divided into a plurality of components, all the components are connected together through a panel and then integrally installed in a frame, all the components are organically connected together through high-frequency and low-frequency cables, then a cover plate is covered, and finally high-frequency and low-frequency sockets connected with other components are designed.
The loading and unloading of the internal components of the existing detection device are complex, when the components need to be replaced, the whole components and the connecting panel are required to be detached from the frame, the panel is detached again, the components are replaced at last, the operation is complex, the high-low frequency cables connected in the replacement components also need to detach the components from the box body, the cables are replaced again, the cables cannot be directly replaced in the box body, and the operation is complex. In addition, the existing detection device can not directly debug the device in the assembly after the product is partially disassembled after the environmental test; and the panel is connected with the assembly, and the number of screws used for connecting the panel with the frame is too large, so that the mechanical property of the product is improved by increasing the number of the screws, the reliability of the product is met, and the operation is inconvenient during maintenance, repair, assembly and disassembly.
Disclosure of Invention
The invention mainly aims to provide a whole structure of a small-sized detection device, and aims to solve the technical problem.
In order to achieve the purpose, the invention provides a whole structure of a small-sized detection device, which comprises a base, a signal processing board, a radio frequency board, an antenna parting strip, a shell, a low-frequency cable and an electric connector, wherein the signal processing board is arranged on the base; the base comprises a flange plate and a boss arranged on the upper surface of the flange plate; cable outlet holes are formed in the central positions of the flange plate and the boss; the signal processing board is arranged above the boss; the radio frequency board is arranged above the signal processing board; the radio frequency board is provided with a receiving and transmitting antenna, and the antenna parting strip is arranged on the radio frequency board; the two ends of the shell are open, and the lower end of the shell is sleeved on the outer cylindrical surface of the boss; the signal processing board and the radio frequency board are arranged in the inner cavity of the shell; a sealing ring is arranged between the peripheral surface of the radio frequency plate and the inner wall of the shell; one end of the low-frequency cable penetrates through the cable outlet hole to be connected with the signal processing board, and the other end of the low-frequency cable is connected with the electric connector.
Preferably, the boss and the signal processing board are arranged at an interval, and a first support column is arranged between the signal processing board and the boss; the signal processing board and the radio frequency board are arranged at intervals, and a second supporting column is arranged between the signal processing board and the radio frequency board.
Preferably, the second supporting column comprises a screw portion, an outer hexagon and an inserting portion from bottom to top in sequence; a radio frequency board mounting hole is formed in the radio frequency board; the antenna division bar is provided with an antenna division bar mounting hole; the signal processing board is provided with a signal processing board mounting hole; the lower end of the first support column is arranged on the upper surface of the boss, and the upper end surface of the first support column is provided with an internal threaded hole; the screw rod part penetrates through the signal processing plate mounting hole to be connected with an internal thread hole on the upper end surface of the first support column, so that the signal processing plate is fixed to the top of the first support column; the upper end surface of the insertion part is provided with an internal thread hole, and the insertion part is inserted into the radio frequency board mounting hole; the screw penetrates through the antenna division bar mounting hole and the radio frequency board mounting hole and is connected with an internal thread hole on the upper end surface of the insertion part; the lower surface of the radio frequency plate is abutted against the outer hexagon.
Preferably, a threaded hole is formed in the outer cylindrical surface of the boss, a counter bore is formed in the lower portion of the shell, and the lower end of the shell is fixed by a counter screw after being sleeved on the outer cylindrical surface of the boss.
Preferably, an inwardly bent sealing ring pressing table is arranged at the top of the shell, and the sealing ring abuts against the inner surface of the sealing ring pressing table.
Preferably, a step surface is arranged on an inner hole of the sealing ring, the radio frequency plate is arranged in the inner hole of the sealing ring, and the upper surface of the radio frequency plate abuts against the step surface; the upper portion of casing is the toper, the outer peripheral face of sealing washer is the conical surface, the tapering of sealing washer outer peripheral face is the same with the tapering of casing upper portion internal cone.
Preferably, the base is provided with a glue filling hole and an exhaust hole, the glue filling hole and the exhaust hole are threaded holes, and the glue filling hole and the exhaust hole are plugged by plugging screws after glue filling.
Preferably, the antenna division bar is of an I-shaped structure, an antenna division bar installation area is arranged on the radio frequency board, and the antenna division bar is installed on the antenna division bar installation area; the receiving and transmitting antennas are arranged on two sides of the antenna parting strip.
Preferably, the base further comprises a support column arranged on the lower surface of the flange plate, a low-frequency cable through hole is arranged on the support column, and the low-frequency cable through hole and the cable outlet hole are coaxially arranged; a metal anti-wave sleeve is sleeved outside the low-frequency cable, and a nylon yarn sleeve is sleeved outside the metal anti-wave sleeve; one end of the metal anti-wave sleeve is communicated with the metal shell of the electric connector, and the other end of the metal anti-wave sleeve is sleeved on the outer surface of the strut; the connecting part of the metal wave-proof sleeve and the support is fastened by silver-plated copper wires; the outer surface of the metal anti-wave sleeve is sleeved with a heat-shrinkable sleeve; two ends of the nylon yarn sleeve are fastened by cotton threads.
Preferably, a pair of mutually parallel tangential planes are provided on the outer cylindrical surface of the pillar. Through setting up the tangent plane, it is right the ripples cover is prevented to metal plays the rotation restriction effect, and then avoids the low frequency cable to take place rotatoryly.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
(1) according to the invention, the signal processing board, the radio frequency board and the antenna parting strip are packaged in the inner cavity formed by the shell and the base, and meanwhile, the sealing ring is used for sealing, the product structure is simple, when the component is replaced, the internal component can be replaced by only opening the shell, when the low-frequency cable is replaced, the low-frequency cable only needs to be drawn out from the cable outlet hole, and the component is simple and convenient to detach and operate.
(2) In the invention, the second support column is designed into a structure with an external thread at one end, an internal thread at one end and an external hexagonal middle part, and can be used as a fastening screw and a support column at the same time, so that the mounting and dismounting are convenient. The number of the used screws is effectively reduced, and the operation during maintenance, repair, assembly and disassembly is convenient.
(3) The invention improves the isolation of the receiving and transmitting antennas by the design of the I-shaped antenna parting strip.
(4) According to the invention, through arranging the glue filling hole and the exhaust hole, when the signal processing board, the radio frequency board and the antenna parting strip are packaged in the shell, glue filling is carried out, and then plugging is carried out by using the plugging screw to be matched with the sealing ring, so that the sealing property of the detection device is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is an exploded view of the overall structure of the miniature detector of the present invention with the low frequency cable and electrical connector removed;
FIG. 2 is a schematic view of the overall structure of the small probe apparatus provided in the present invention;
FIG. 3 is a bottom view of the overall structure of the miniature probe apparatus provided by the present invention with the low frequency cable and the electrical connector removed;
FIG. 4 is a schematic structural diagram of a sealing ring in the overall structure of the miniature probing apparatus provided by the present invention;
the reference numbers illustrate: 1-a base; 101-a flange plate; 102-a boss; 103-a pillar; 104-cable outlet holes; 105-glue pouring holes; 106-vent hole; 107-blocking screws; 108-low frequency cable-passing holes; 109-cutting a plane; 2-a first support column; 3-a signal processing board; 301-signal processing board mounting holes; 4-a second support column; 401-a screw section; 402-outer hexagon; 403-an insertion portion; 5-radio frequency board; 501-antenna division bar installation area; 502-a transceiver antenna; 503-radio frequency board mounting holes; 6-antenna division bar; 601-antenna division bar mounting holes; 602-a screw; 7-sealing ring; 701-step surface; 8-a shell; 801-countersunk head screw; 802-seal ring compression station; 9-a low frequency cable; 901-metal wave-proof sleeve; 902-nylon yarn sleeve; 903-silver-plated copper wire; 904-heat shrink; 905-cotton thread; 10-electrical connector.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the overall structure of the small detecting device according to the present invention includes a base 1, a signal processing board 3, a radio frequency board 5, an antenna division bar 6, a housing 8, a low frequency cable 9, and an electrical connector 10; the base 1 comprises a flange plate 101 and a boss 102 arranged on the upper surface of the flange plate 101; cable outlet holes 104 are formed in the center positions of the flange plate 101 and the boss 102; the signal processing board 3 is arranged above the boss 102; the radio frequency board 5 is arranged above the signal processing board 3; a receiving and transmitting antenna 502 is arranged on the radio frequency plate 3, and the antenna division bar 6 is arranged on the radio frequency plate 3; the two ends of the shell 8 are open, and the lower end of the shell is sleeved on the outer cylindrical surface of the boss 102; the signal processing board 3 and the radio frequency board 5 are arranged in the inner cavity of the shell 8; a sealing ring 7 is arranged between the peripheral surface of the radio frequency plate 5 and the inner wall of the shell 8; one end of the low-frequency cable 9 passes through the cable outlet hole 104 to be connected with the signal processing board 3, and the other end is connected with the electric connector 10. In this embodiment, base 1 and casing 8 all adopt the aluminum alloy material, and the aluminum alloy material has better electromagnetic shielding performance, and the processing of being convenient for has better mechanical properties.
The signal processing board 3 is a cylindrical printed board with the diameter of 20mm multiplied by 0.8mm, and a plurality of electric signal bonding pads are arranged on the signal processing board 3. The radio frequency board 5 is a cylindrical printed board with a diameter of 14.5mm multiplied by 1.6 mm.
As shown in fig. 1, in the present embodiment, a boss 102 is disposed at a distance from a signal processing board 3, and a first support column 2 is disposed between the signal processing board 3 and the boss 102; the signal processing board 3 and the radio frequency board 5 are arranged at intervals, and a second supporting column 4 is arranged between the signal processing board 3 and the radio frequency board 5.
As shown in fig. 1, in the present embodiment, the second support column 4 includes, from bottom to top, a screw portion 401, an outer hexagon 402, and an insertion portion 403; a radio frequency board mounting hole 503 is formed in the radio frequency board 5; an antenna division bar mounting hole 601 is formed in the antenna division bar 6; a signal processing board mounting hole 301 is formed in the signal processing board 3; the lower end of the first support column 2 is arranged on the upper surface of the boss 102, and the upper end surface of the first support column 2 is provided with an internal threaded hole; the screw part 401 penetrates through the signal processing plate mounting hole 301 to be connected with an internal threaded hole on the upper end surface of the first support column 2, so that the signal processing plate 3 is fixed on the top of the first support column 2; an internal thread hole is formed in the upper end face of the insertion part 403, and the insertion part 403 is inserted into the radio frequency board mounting hole 503; the screw 602 passes through the antenna division bar mounting hole 601 and the radio frequency board mounting hole 503 and then is connected with an internal threaded hole on the upper end surface of the insertion part 403; the lower surface of the radio frequency plate 5 abuts against the outer hexagon 402. The second support column 4 is designed to be a screw part 401 with an external thread at one end, an insertion part 403 with an internal thread at one end, and an external hexagonal structure at the middle part, and is used as a fastening screw for fixing the signal processing board 3 and also used as a support column for supporting the radio frequency board 5. When the second support pillar 4 supports the radio frequency board 5, the radio frequency board 5 is mounted on the insertion portion 403 of the second support pillar 4 through the radio frequency board mounting hole 503, and the antenna division bar 6 can be fixed on the radio frequency board 5 by connecting the radio frequency board 5 with the internal thread hole of the upper end surface of the insertion portion 403 after the screw 602 penetrates through the antenna division bar mounting hole 601 and the radio frequency board mounting hole 503, and meanwhile, the radio frequency board 5 is also fixed on the second support pillar 4. The outer hexagon 402 of the second support column 4 can play a role of supporting the radio frequency board 5 and can also play a role of facilitating the screwing or the disassembling of a wrench.
As shown in fig. 1, in this embodiment, four threaded holes are uniformly distributed on the outer cylindrical surface of the boss 102, four counter bores are uniformly distributed at the lower portion of the housing 8, and the positions of the counter bores correspond to the positions of the threaded holes; the lower end of the shell 8 is sleeved on the outer cylindrical surface of the boss 102 and then fixed by a countersunk head screw 801.
As shown in fig. 1, in the present embodiment, an inwardly bent packing pressing table 802 is provided on the top of the housing 8, and the packing 7 abuts against the inner surface of the packing pressing table 802. A step surface 701 is arranged on an inner hole of the sealing ring 7, the radio frequency plate 5 is installed in the inner hole of the sealing ring 7, and the upper surface of the radio frequency plate 5 abuts against the step surface 701; the upper portion of casing 8 is the toper, the outer peripheral face of sealing washer 7 is the conical surface, the tapering of sealing washer 7 outer peripheral face is the same with the tapering of the interior conical surface in casing 8 upper portion. After the shell 8 is installed on the boss 102, the inner conical surface of the upper part of the shell 8 is matched with the outer conical surface of the sealing ring 7 for sealing, meanwhile, the radio frequency plate 5 is sealed by utilizing the step surface 701 on the sealing ring 7, and then, the radio frequency plate is compressed by the sealing ring compressing table 802, so that the sealing performance and the electromagnetic shielding performance of the whole detection device are ensured.
As shown in fig. 1 and fig. 3, in this embodiment, a glue filling hole 105 and an air exhaust hole 106 are formed in the base 1, the glue filling hole 105 and the air exhaust hole 106 are both threaded holes, and a blocking screw 107 is used to block the glue filling hole 105 and the air exhaust hole 106 after glue filling. After the signal processing board 3, the radio frequency board 5 and the antenna parting strip 6 are packaged in the shell, glue is poured, the plugging screw 107 is used for plugging, and the sealing screw is matched with the sealing ring 7, so that the sealing performance of the detection device is improved. The glue filling can provide sealing performance and can be used for increasing the weight of the detection device.
As shown in fig. 1, in this embodiment, the antenna division bar 6 has an i-shaped structure, an antenna division bar installation region 501 is disposed on the radio frequency board 5, and the antenna division bar 6 is installed on the antenna division bar installation region 501; the transceiver antennas 502 are arranged on both sides of the antenna division bar 6. The antenna division bars 6 divide the transmitting and receiving antennas 502 on the left and right sides thereof, improving the isolation between the transmitting and receiving antennas.
As shown in fig. 2 and fig. 3, in this embodiment, the base 1 further includes a support post 103 disposed on the lower surface of the flange plate 101, a low-frequency cable through hole 108 is disposed on the support post 103, and the low-frequency cable through hole 108 is disposed coaxially with the cable outlet hole 104; a metal anti-wave sleeve 901 is sleeved outside the low-frequency cable 9, and a nylon yarn sleeve 902 is sleeved outside the metal anti-wave sleeve 901; one end of the metal wave-proof sleeve 901 is connected with the metal shell of the electric connector 10, and the other end is sleeved on the outer surface of the pillar 103; the electric connector 10 is a rectangular connector which can be quickly locked with a tail cover, and the connecting part of the metal anti-wave sleeve 901 and the support 103 is fastened by a silver-plated copper wire 903; a heat-shrinkable sleeve 904 is sleeved on the outer surface of the metal anti-wave sleeve 901; the two ends of the nylon yarn sleeve 902 are fastened by cotton threads 905; the electric interface between the electric connector 10 and the base 1 adopts electromagnetic shielding treatment, thus improving the electromagnetic compatibility of the detection device.
As shown in fig. 3, in the present embodiment, a pair of mutually parallel tangential planes 109 are provided on the outer cylindrical surface of the pillar 103. Through setting up tangent plane 109 for to the metal prevents ripples cover 901 and plays the rotation restriction effect, and then avoids low frequency cable 9 to take place to rotate.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a small-size detection device complete machine structure which characterized in that: comprises a base (1), a signal processing board (3), a radio frequency board (5), an antenna parting strip (6), a shell (8), a low-frequency cable (9) and an electric connector (10);
the base (1) comprises a flange plate (101) and a boss (102) arranged on the upper surface of the flange plate (101); cable outlet holes (104) are formed in the center positions of the flange plate (101) and the boss (102);
the signal processing board (3) is arranged above the boss (102); the radio frequency board (5) is arranged above the signal processing board (3); a receiving and transmitting antenna (502) is arranged on the radio frequency plate (3), and the antenna parting strip (6) is arranged on the radio frequency plate (3);
the two ends of the shell (8) are open, and the lower end of the shell is sleeved on the outer cylindrical surface of the boss (102); the signal processing board (3) and the radio frequency board (5) are arranged in an inner cavity of the shell (8); a sealing ring (7) is arranged between the peripheral surface of the radio frequency plate (5) and the inner wall of the shell (8);
one end of the low-frequency cable (9) penetrates through a cable outlet hole (104) to be connected with the signal processing board (3), and the other end of the low-frequency cable is connected with the electric connector (10).
2. The overall structure of a small-sized detecting device as claimed in claim 1, wherein: the boss (102) and the signal processing board (3) are arranged at intervals, and a first support column (2) is arranged between the signal processing board (3) and the boss (102);
the signal processing board (3) and the radio frequency board (5) are arranged at intervals, and a second supporting column (4) is arranged between the signal processing board (3) and the radio frequency board (5).
3. The overall structure of a small-sized probe apparatus as claimed in claim 2, wherein: the second supporting column (4) sequentially comprises a screw rod part (401), an outer hexagonal part (402) and an inserting part (403) from bottom to top;
a radio frequency board mounting hole (503) is formed in the radio frequency board (5); an antenna division bar mounting hole (601) is formed in the antenna division bar (6); a signal processing board mounting hole (301) is formed in the signal processing board (3);
the lower end of the first support column (2) is arranged on the upper surface of the boss (102), and the upper end surface of the first support column (2) is provided with an internal threaded hole; the screw rod part (401) penetrates through the signal processing plate mounting hole (301) to be connected with an internal thread hole on the upper end surface of the first support column (2) so as to fix the signal processing plate (3) on the top of the first support column (2);
an internal thread hole is formed in the upper end face of the insertion part (403), and the insertion part (403) is inserted into the radio frequency board mounting hole (503); the screw (602) penetrates through the antenna division bar mounting hole (601) and the radio frequency board mounting hole (503) and then is connected with an internal thread hole on the upper end surface of the insertion part (403); the lower surface of the radio frequency plate (5) is abutted against the outer hexagon (402).
4. The overall structure of a small-sized detecting device as claimed in claim 1, wherein: the outer cylindrical surface of the boss (102) is provided with a threaded hole, the lower part of the shell (8) is provided with a counter bore, and the lower end of the shell (8) is fixed by a countersunk head screw (801) after being sleeved on the outer cylindrical surface of the boss (102).
5. The overall structure of a small-sized detecting device as claimed in claim 1, wherein: the top of the shell (8) is provided with a sealing ring pressing platform (802) which is bent inwards, and the sealing ring (7) abuts against the inner surface of the sealing ring pressing platform (802).
6. The overall structure of a small-sized detecting device as claimed in claim 1, wherein: a step surface (701) is arranged on an inner hole of the sealing ring (7), the radio frequency plate (5) is arranged in the inner hole of the sealing ring (7), and the upper surface of the radio frequency plate (5) abuts against the step surface (701); the upper portion of casing (8) is the toper, the outer peripheral face of sealing washer (7) is the conical surface, the tapering of sealing washer (7) outer peripheral face is the same with the tapering of casing (8) upper portion internal cone face.
7. The overall structure of a small-sized detecting device as claimed in claim 1, wherein: be provided with encapsulating hole (105) and exhaust hole (106) on base (1), encapsulating hole (105) and exhaust hole (106) are the screw hole, adopt shutoff screw (107) to carry out the shutoff to encapsulating hole (105) and exhaust hole (106) after the encapsulating.
8. The overall structure of a small-sized detecting device as claimed in claim 1, wherein: the antenna division bar (6) is of an I-shaped structure, an antenna division bar mounting area (501) is arranged on the radio frequency board (5), and the antenna division bar (6) is mounted on the antenna division bar mounting area (501); the transmitting and receiving antenna (502) is arranged on two sides of the antenna parting strip (6).
9. The overall structure of a small-sized detecting device as claimed in claim 1, wherein: the base (1) further comprises a support post (103) arranged on the lower surface of the flange plate (101), a low-frequency cable through hole (108) is formed in the support post (103), and the low-frequency cable through hole (108) and the cable outlet hole (104) are coaxially arranged;
a metal anti-wave sleeve (901) is sleeved outside the low-frequency cable (9), and a nylon yarn sleeve (902) is sleeved outside the metal anti-wave sleeve (901); one end of the metal anti-wave sleeve (901) is communicated with the metal shell of the electric connector (10), and the other end of the metal anti-wave sleeve is sleeved on the outer surface of the strut (103); the connecting part of the metal anti-wave sleeve (901) and the support (103) is fastened by a silver-plated copper wire (903); a heat-shrinkable sleeve (904) is sleeved on the outer surface of the metal anti-wave sleeve (901); two ends of the nylon yarn sleeve (902) are fastened by cotton threads (905).
10. The overall structure of a small-sized probe apparatus as claimed in claim 9, wherein: a pair of mutually parallel tangent planes (109) is arranged on the outer cylindrical surface of the strut (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111544744.6A CN114096104B (en) | 2021-12-16 | 2021-12-16 | Whole machine structure of small-size detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111544744.6A CN114096104B (en) | 2021-12-16 | 2021-12-16 | Whole machine structure of small-size detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
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|---|---|
| CN114096104B (en) | 2023-09-22 |
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