CN114914753B - Plug-in ionization chamber quick connector - Google Patents
Plug-in ionization chamber quick connector Download PDFInfo
- Publication number
- CN114914753B CN114914753B CN202210431932.6A CN202210431932A CN114914753B CN 114914753 B CN114914753 B CN 114914753B CN 202210431932 A CN202210431932 A CN 202210431932A CN 114914753 B CN114914753 B CN 114914753B
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- ionization chamber
- shielding
- chamber connecting
- connecting seat
- passage
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 65
- 230000008054 signal transmission Effects 0.000 claims abstract description 32
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 239000010949 copper Substances 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims description 24
- 230000006835 compression Effects 0.000 claims description 23
- 238000007906 compression Methods 0.000 claims description 23
- 239000000428 dust Substances 0.000 claims description 9
- 235000014676 Phragmites communis Nutrition 0.000 claims description 6
- 238000005056 compaction Methods 0.000 claims 2
- 239000002184 metal Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000011810 insulating material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003574 free electron Substances 0.000 description 3
- 230000005684 electric field Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/621—Bolt, set screw or screw clamp
- H01R13/6215—Bolt, set screw or screw clamp using one or more bolts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
- H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/65912—Specific features or arrangements of connection of shield to conductive members for shielded multiconductor cable
- H01R13/65918—Specific features or arrangements of connection of shield to conductive members for shielded multiconductor cable wherein each conductor is individually surrounded by shield
Abstract
The invention discloses a plug-in type ionization chamber quick connector which comprises an ionization chamber connector and an ionization chamber connecting seat, wherein the ionization chamber connector and the ionization chamber connecting seat are both fixed on an ionization chamber connecting wire; the ionization chamber connector has the same internal structure as the ionization chamber connecting seat, one end of the ionization chamber connector at the connecting position is a plug, one end of the ionization chamber connecting seat is a socket, and the ionization chamber connector and the ionization chamber connecting seat are oppositely arranged and detachably connected; the ionization chamber connecting wire is divided into seven layers, and the ionization chamber connecting wire sequentially comprises: the outer skin, the outer shielding layer, the middle insulating layer, the middle shielding layer, the black insulating layer, the transparent insulating layer and the central cable are sequentially extended from outside to inside to the front end; the ionization chamber connecting wire crust is connected through metal casing is stable, and the middle shielding layer is in the same place through middle shielding copper post connection, and the signal line in the middle is in the same place through central copper needle connection, and each layer is kept apart through high insulating material, effectively keeps apart the interference of external signal, has improved weak current signal transmission's reliability.
Description
Technical Field
The invention relates to the field of ionization chamber connectors, in particular to a plug-in type ionization chamber quick connector.
Background
The ionization chamber being electric in the gas by nuclear radiationA nuclear radiation detector for measuring the ionization effect. The ionization chamber structure is typically composed of three parts: collector, high voltage pole and guard ring. A gas cavity is designed between the collector and the high-voltage electrode, and the protection ring separates the collector from the high-voltage electrode. The ionization chamber generally takes air under normal pressure as a cavity medium, and the part can be completely communicated with the outside or can be in a closed state. A certain polarization voltage is applied between the high-voltage electrode and the collector electrode to form an electric field, so that free electrons and positive ions generated by an ionization effect in the air are respectively pulled to the high-voltage electrode and the collector electrode. The current output by the ionization chamber is the current formed by free electrons, the signal of which is usually very weak, at least picoampere (10 -12 A) And on the order of magnitude below. In order to reduce the leakage current flowing through the collector by forming weak current as much as possible in the collected free electrons, a guard ring close to the potential of the collector needs to be added between the collector and the high-voltage electrode, so that the leakage current of the collector is reduced, and the polarized electric field is uniform.
Along with the continuous progress of scientific technology, the range of human detection is wider and wider, the detected signal is smaller and smaller, the weak electric signal is easily affected by external interference in the process of acquisition and transmission, particularly in the process of butt joint of lines and signal entering an instrument, the weak electric signal is easily affected by interference, reliable detection data cannot be obtained, the accuracy of data post-processing is affected, and if the interference is too large, even the equipment at the rear end is possibly damaged. In view of this, a stable, reliable, convenient and quick connection is needed.
Disclosure of Invention
The invention aims to solve the technical problems that in the working process of the existing ionization chamber, especially in the process of butting lines and entering signals into an instrument, weak electric signals are easy to be interfered by the outside and reliable detection data cannot be obtained, so that the accuracy of data post-processing is affected, and if the interference is too large, the equipment at the rear end is possibly damaged.
In order to solve the technical problems, the invention adopts the following technical scheme: the plug-in type ionization chamber quick connector comprises an ionization chamber connector and an ionization chamber connecting seat, wherein the ionization chamber connector and the ionization chamber connecting seat are oppositely arranged and detachably connected, the tail ends of the ionization chamber connector and the ionization chamber connecting seat are fixedly connected with an ionization chamber connecting wire, and the connection modes of the ionization chamber connector and the ionization chamber connecting seat are the same as the connection mode of the ionization chamber connecting wire;
the ionization chamber connecting wire is divided into seven layers, and the ionization chamber connecting wire sequentially comprises: the outer skin, the outer shielding layer, the middle insulating layer, the middle shielding layer, the black insulating layer, the transparent insulating layer and the central cable are sequentially extended from outside to inside to the front end; the outer shielding layer of the ionization chamber connecting wire at one end is connected to the outer shielding layer of the ionization chamber connecting wire at the other end after passing through the ionization chamber connector and the ionization chamber connecting seat to form a first shielding passage;
the middle shielding layer of the ionization chamber connecting wire at one end is connected to the middle shielding layer of the ionization chamber connecting wire at the other end after passing through the ionization chamber connector and the ionization chamber connecting seat to form a second shielding passage;
the central cable of the ionization chamber connecting wire at one end is connected to the central cable of the ionization chamber connecting wire at the other end after passing through the ionization chamber connector and the ionization chamber connecting seat to form a signal transmission path;
the first shielding passage and the second shielding passage are isolated by an intermediate insulating layer, an ionization chamber connector and a first separation component in the ionization chamber connecting seat; the second shielding passage and the signal transmission passage are isolated by a black insulating layer, a transparent insulating layer, an ionization chamber connector and a second separation component in the ionization chamber connecting seat; the first separation component in the ionization chamber connector comprises a first rear insulating ring for isolating the rear half sections of the first shielding passage and the second shielding passage, and a first outer shielding compression cap is further arranged at the rear end of the first rear insulating ring and is used for communicating the ionization chamber connector shell with the outer shielding layer; the first front insulating ring is used for isolating the first shielding passage and the front half section of the second shielding passage; the second separation assembly in the ionization chamber joint comprises a first inner insulating ring for isolating the second shielding passage and the front half section of the signal transmission passage, and the black insulating layer and the transparent insulating layer isolate the second shielding passage and the rear half section of the signal transmission passage;
the first separation component in the ionization chamber connecting seat comprises a second rear insulating ring for isolating the rear half sections of the first shielding passage and the second shielding passage, and a second outer shielding compression cap is further arranged at the rear end of the second rear insulating ring and is used for communicating the ionization chamber connecting seat shell with the outer shielding layer; the second front insulating ring is used for isolating the first shielding passage and the front half section of the second shielding passage; the second separation assembly in the ionization chamber connecting seat comprises a second inner insulating ring for isolating the second shielding passage and the front half section of the signal transmission passage, and the black insulating layer and the transparent insulating layer isolate the second shielding passage and the rear half section of the signal transmission passage.
Furthermore, the first outer shielding pressing cap is arranged at the tail end inside the ionization chamber connector housing, one side of the first outer shielding pressing cap is communicated with the outer shielding layer of the ionization chamber connecting wire, the other side of the first outer shielding pressing cap is communicated with the ionization chamber connector housing and then is connected with the ionization chamber connecting seat housing, and the second outer shielding pressing cap at the tail end inside the ionization chamber connecting seat housing is communicated with the outer shielding layer of the ionization chamber connecting wire at the other end to form a first shielding passage.
Still further the ionization chamber connects the terminal of casing wiring side still to be equipped with locking anti-rotation nut, locking anti-rotation nut includes hollow screw cap that has the nut screw cap inside rotationally is equipped with hollow anti-rotation cap, anti-rotation cap front end supports tightly with the rear end of first outer shielding compress tightly the cap.
Particularly, a hollow first middle shielding copper ring is abutted against the front end face of the first rear insulating ring; the middle insulating layer and the inner wire layer penetrate through the first outer shielding pressing cap and then enter the first rear insulating ring, the middle shielding layer in the inner wire layer continuously penetrates out of the side wall of the first rear insulating ring and is fixedly connected with the first middle shielding copper ring, and after the first middle shielding copper ring is conducted with the second middle shielding copper ring in the ionization chamber connecting seat, the middle insulating layer sequentially penetrates through the second rear insulating ring in the ionization chamber connecting seat and the second outer shielding pressing cap and is conducted to the middle insulating layer of the ionization chamber connecting wire at the other end, so that a second shielding passage is formed.
Furthermore, one end of the first outer shielding pressing cap is provided with a hollow conical closing-in, the tail end of the hollow conical closing-in is inserted between the outer skin and the outer shielding layer, the other end of the first outer shielding pressing cap is provided with a first installation groove which is concave inwards, and the first rear insulating ring is fixed in the first installation groove.
Furthermore, the front end of the first middle shielding copper ring is annular, a plurality of notches cut along the length direction of the first middle shielding copper ring are arranged on the circumference of the front end face, the notches are uniformly distributed on the circumference to form a reed structure, and the reed structure is tightly spliced with a socket at the end head of the second middle shielding copper ring.
Particularly, the first front insulating ring is arranged at the front end inside the ionization chamber connector shell, a first middle shielding copper ring, a first inner insulating ring and a first central copper needle are sequentially arranged inside the first front insulating ring, the black insulating layer and the inner wire layer of the ionization chamber connecting wire penetrate through the first outer shielding pressing cap and then enter the first rear insulating ring, the central cable continuously penetrates through the first rear insulating ring and is fixedly connected with the first central copper needle, and the first central copper needle is connected to the second central copper needle in the ionization chamber connecting seat and then is communicated with the central cable of the ionization chamber connecting wire at the other end to form a signal transmission path.
Still further, ionization chamber connects casing front end department still to be equipped with first rotatory lock nut, and first middle shielding copper ring is equipped with the second mounting groove in the junction with ionization chamber connects the casing, the second mounting groove is equipped with the swivel becket, first rotatory lock nut tail end draws in, connects the casing sideslip through the swivel becket drive ionization chamber, and then with ionization chamber connecting seat zonulae occludens.
Particularly, the ionization chamber connector further comprises a dustproof cap arranged at the end head of the ionization chamber connector and the end head of the ionization chamber connector, and the ionization chamber connector, the dustproof cap and the ionization chamber connector and the dustproof cap and the ionization chamber connector are all connected through threads.
Compared with the prior art, the invention has the following advantages and beneficial effects: through the structure, when the structure is assembled, only the ionization chamber connector is required to be inserted into the ionization chamber connecting seat and the first rotary lock nut of the ionization chamber connector is screwed down, the outer skin of the ionization chamber connecting wire is stably connected through the metal shell, the middle shielding layer is connected through the middle shielding copper ring, the middle signal wires are connected through the center copper needle, each layer is isolated through a high insulating material, the connection mode is reliable, the interference of external signals is effectively isolated, and the reliability of weak current signal transmission is improved.
Drawings
Fig. 1 is a schematic view of the appearance structure of the connection state of the present invention.
Fig. 2 is a schematic view of an exploded appearance structure.
Fig. 3 is a schematic diagram of ionization chamber connection lines.
Fig. 4 is a schematic sectional structure of the connection state.
Fig. 5 is a schematic cross-sectional view of an ionization chamber junction.
Fig. 6 is a schematic diagram of an explosion structure of an ionization chamber joint.
Fig. 7 is a schematic cross-sectional view of an ionization chamber connection mount.
Fig. 8 is a schematic diagram of an explosion structure of an ionization chamber connection holder.
Fig. 9 is a schematic view of an ionization chamber junction housing.
Fig. 10 is a schematic view of a locking anti-rotation nut.
The definitions of the various numbers in the figures are: ionization chamber joint-1; a first outer shield compression cap-101; closing-in the hollow cone to 1011; first mounting slots-1012; a first rear insulating ring-102; abutting against the landing-1021; a first intermediate shield copper ring-103; incision-1031; compression section-1032; a second mounting groove-1033; a first front insulating ring-104; a first central copper pin-105; a first inner insulating ring-106; ionization chamber connecting seat-2; a second outer shield compression cap-201; a second rear insulating ring-202; a second intermediate shield copper ring-203; a second front insulating ring-204; a second central copper pin-205; a second inner insulating ring-206; ionization chamber connecting line-3; a center cable-301; a transparent insulating layer 302; black insulating layer-303; an intermediate shielding layer 304; an intermediate insulating layer 305; an outer shielding layer-306; a skin-307; ionization chamber joint housing-4; a first rotating lock nut-401; rotating the ring-402; a fixing incision-403; ionization chamber connecting seat shell-5; panel nut-501; locking an anti-rotation nut-6; nut-601; screw cap-602; anti-rotation cap-603; and a dust cap 7.
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, so as to further understand the concept of the present invention, the technical problems to be solved, the technical features constituting the technical solutions, and the technical effects brought thereby.
As shown in fig. 1 and 2, a plug-in ionization chamber quick connector comprises an ionization chamber connector 1 and an ionization chamber connecting seat 2, wherein the ionization chamber connector 1 and the ionization chamber connecting seat 2 are oppositely arranged and detachably connected, the tail ends of the ionization chamber connector 1 and the ionization chamber connecting seat 2 are fixedly connected with an ionization chamber connecting wire 3, and the connection modes of the ionization chamber connector 1 and the ionization chamber connecting seat 2 and the ionization chamber connecting wire 3 are the same;
as shown in fig. 3, the ionization chamber connecting line 3 is divided into seven layers, which are sequentially from outside to inside: the outer skin 307, the outer shielding layer 306, the intermediate insulating layer 305, the intermediate shielding layer 304, the black insulating layer 303, the transparent insulating layer 302 and the central cable 301, and each layer sequentially extends from outside to inside to the front end; the outer shielding layer 306 of the ionization chamber connecting wire 3 at one end is connected to the outer shielding layer 306 of the ionization chamber connecting wire 3 at the other end after passing through the ionization chamber connector 1 and the ionization chamber connecting seat 2 to form a first shielding passage;
the middle shielding layer 304 of the ionization chamber connecting wire 3 at one end is connected to the middle shielding layer 304 of the ionization chamber connecting wire 3 at the other end after passing through the ionization chamber connector 1 and the ionization chamber connecting seat 2 to form a second shielding passage;
the central cable 301 of the ionization chamber connecting wire 3 at one end is connected to the central cable 301 of the ionization chamber connecting wire 3 at the other end after passing through the ionization chamber joint 1 and the ionization chamber connecting seat 2 to form a signal transmission path;
the first shielding passage and the second shielding passage are isolated by an intermediate insulating layer 305, the ionization chamber connector 1 and a first separation component in the ionization chamber connecting seat 2; the second shielding path and the signal transmission path are isolated by the black insulating layer 303, the transparent insulating layer 302, and the second separation components in the ionization chamber connector 1 and the ionization chamber connection holder 2.
As a preferred embodiment, the first separation assembly in the ionization chamber connector 1 includes a first rear insulating ring 102 for isolating the rear half of the first and second shielding passages, and a first front insulating ring 104 for isolating the front half of the first and second shielding passages; the second separation assembly includes a first inner insulating ring 106 that insulates the first half of the second shielding path and the signal transmission path, and the black insulating layer 303 and the transparent insulating layer 302 insulate the second shielding path and the second half of the signal transmission path.
The invention is essentially a coaxial plug-in connector of an ionization chamber, the device is used for electric signal connection between the ionization chamber and a measuring host, and the measuring host provides polarized voltage for the ionization chamber through the device and acquires an output weak current signal of the ionization chamber. In the device, the wire layers or parts for signal transmission and shielding are all processed by metal copper with strong conductivity, so that the reliability of electric connection is ensured, and the parts for separating the passages are all made of polytetrafluoroethylene with high insulation materials, so that the signal isolation between the signal wires and the inner and outer shielding layers is fully ensured, the normal transmission of weak electric signals in the signal transmission passage at the center of the ionization chamber connecting wire 3 is ensured, the interference of external electric signals is avoided, and the reliability of weak electric signal transmission is improved. For convenience of description, the components inside the ionization chamber connector 1 begin with the reference numeral 1, the components inside the ionization chamber connecting seat 2 begin with the reference numeral 2, and the positions and the connection modes of the components inside the ionization chamber connector 1 are the same as those of the components inside the ionization chamber connecting seat 2, and the difference is that only one end of the ionization chamber connector 1 is a plug, one end of the ionization chamber connecting seat 2 is a socket, and the plug and the socket are in tight contact after being abutted or inserted.
As a preferred embodiment, the first separation component in the ionization chamber connector 1 comprises a first rear insulating ring 102 for isolating the rear half sections of the first shielding passage and the second shielding passage, a first outer shielding compression cap 101 is further arranged at the rear end of the first rear insulating ring 102, and the first outer shielding compression cap 101 communicates the ionization chamber connector housing 4 with the outer shielding layer 306; a first front insulating ring 104 isolating the first shielding via and the front half of the second shielding via; the second separation component in the ionization chamber joint 1 comprises a first inner insulating ring 106 for isolating the second shielding passage and the first half section of the signal transmission passage, and the black insulating layer 303 and the transparent insulating layer 302 isolate the second shielding passage and the second half section of the signal transmission passage;
the first separation component in the ionization chamber connecting seat 2 comprises a second rear insulating ring 202 for isolating the first shielding passage and the second shielding passage, a second outer shielding compression cap 201 is further arranged at the rear end of the second rear insulating ring 202, and the second outer shielding compression cap 201 communicates the ionization chamber connecting seat shell 5 with the outer shielding layer 306; a second front insulating ring 204 isolating the first shielding via and the front half of the second shielding via; the second separation component in the ionization chamber connection seat 2 comprises a second inner insulating ring 206 for isolating the second shielding passage and the first half section of the signal transmission passage, and the black insulating layer 303 and the transparent insulating layer 302 isolate the second shielding passage and the second half section of the signal transmission passage.
As a further embodiment, the first outer shielding pressing cap 101 is disposed at the inner tail end of the ionization chamber connector housing 4, one side of the first outer shielding pressing cap 101 is conducted with the outer shielding layer 306 of the ionization chamber connecting wire 3, the other side of the first outer shielding pressing cap is connected with the ionization chamber connector housing 4 and then connected with the ionization chamber connecting seat housing 5, and the second outer shielding pressing cap 201 at the inner tail end of the ionization chamber connector housing 5 is communicated with the outer shielding layer 306 of the ionization chamber connecting wire 3 at the other end to form a first shielding path.
In this embodiment, a structure of a first shielding passage is provided, in which each layer of the ionization chamber connecting wire 3 is separated according to a specified length during actual connection, and the first outer shielding pressing cap 101 is pressed between the outer shielding layer 306 and the outer skin 307 of the ionization chamber connecting wire 3, so that the first outer shielding pressing cap 101 is ensured to be conducted with the outer shielding layer 306, and is communicated with the outer shielding layer 306 of the ionization chamber connecting wire 3 on one side of the ionization chamber connecting seat 2 after being communicated with the ionization chamber connecting seat housing 5 through the ionization chamber connector housing 4, so as to form the first shielding passage.
The terminal of ionization chamber joint casing 4 wiring side still is equipped with locking anti-rotation nut 6, locking anti-rotation nut 6 includes hollow screw cap 602 that has nut 601 screw cap 602 inside rotationally is equipped with hollow anti-rotation cap 603, anti-rotation cap 603 front end supports tightly with the rear end of first outer shielding compress tightly cap 101.
In this embodiment, after the locking anti-rotation nut 6 is assembled, the ionization chamber connecting wire 3 in the center does not rotate along with the rotation of the threaded cover 602, so as to avoid affecting the internal connection structure of the connector, and meanwhile, when the threaded cover 602 is rotated through the nut 601, the ionization chamber connecting wire 3 is driven to advance into the ionization chamber connector 1 and the ionization chamber connecting seat 2, so that the ionization chamber connecting wire 3 maintains a loose state in the ionization chamber connector 1 and the ionization chamber connecting seat 2, and the damage of the plug connector caused by the tightening of the wire layer is avoided.
As a further embodiment, a hollow first middle shielding copper ring 103 is abutted against the front end surface of the first rear insulating ring 102; the middle insulating layer 305 and the inner wire layer both pass through the first outer shielding pressing cap 101 and then enter the first rear insulating ring 102, the middle shielding layer 304 in the inner wire layer continuously passes through the side wall of the first rear insulating ring 102 and is fixedly connected with the first middle shielding copper ring 103, and after the first middle shielding copper ring 103 is conducted with the second middle shielding copper ring 203 in the ionization chamber connecting seat 2, the first middle shielding copper ring 103 sequentially passes through the second rear insulating ring 202 in the ionization chamber connecting seat 2 and the second outer shielding pressing cap 201 and is conducted to the middle insulating layer 305 of the ionization chamber connecting wire 3 at the other end to form a second shielding passage.
The present embodiment provides a structure of a second shielding path, which is capable of being implemented, in the actual connection, the middle shielding layer 304 of the ionization chamber connecting wire 3 is divided into two parts, which are respectively separated from two notches of the first rear insulating ring 102, the transparent insulating layer 302 of the ionization chamber connecting wire 3 is cut by a utility knife, the length of the central cable 301 is kept to be about 3 mm, and the notch of the transparent insulating layer 302 is flush with the notch of the first rear insulating ring 102. The front end of the first middle shielding copper ring 103 extends to the end of the ionization chamber connector housing 4 and is tightly connected with the second middle shielding copper ring 203 in the ionization chamber connecting seat 2, so that the conduction of the second shielding passage is completed. The separation between the first and second shield paths is by means of a first rear insulator ring 102 provided at the front end of the first outer shield compression cap 101, and a first front insulator ring 104 provided between the ionization chamber connector housing 4 and the first central shield copper ring 103.
Further, one end of the first outer shielding pressing cap 101 is provided with a hollow conical closing-in 1011, the end of the hollow conical closing-in 1011 is inserted between the outer skin 307 and the outer shielding layer 306, the other end is provided with a first mounting groove 1012 recessed inwards, and the first rear insulating ring 102 is fixed in the first mounting groove 1012.
In this embodiment, the bottom end of the hollow conical closing-in 1011 is fixed, the hollow conical closing-in 1011 is used as a contact structure, and the outer skin 307 and the outer shielding layer 306 are pressed and tilted to be tighter when the ionization chamber connecting wire 3 is driven to advance by the anti-rotation cap 603.
As a further embodiment, the front end of the first middle shielding copper ring 103 is annular, a plurality of notches 1031 cut along the length direction of the first middle shielding copper ring 103 are arranged on the circumference of the front end surface, and the notches 1031 are uniformly distributed on the circumference to form a reed structure, and are closely inserted into the socket at the end of the second middle shielding copper ring 203.
In this embodiment, the first middle shielding copper ring 103 has a reed structure, and is matched with a socket of the end part of the second middle shielding copper ring 203, the second middle shielding copper ring 203 has a ring shape with a diameter slightly larger than the outer diameter of the end part of the first middle shielding copper ring 103, and after the first middle shielding copper ring 103 contacts with the second middle shielding copper ring 203, the first middle shielding copper ring 103 is subjected to inward pressure, so that the first middle shielding copper ring 103 is folded inwards, and the tight contact with the second middle shielding copper ring 203 is kept by using resilience force.
As a preferred embodiment, the first front insulating ring 104 is disposed at the front end of the ionization chamber connector housing 4, the first front insulating ring 104 is internally provided with a first middle shielding copper ring 103, the first inner insulating ring 106 and a first central copper needle 105 in sequence, the black insulating layer 303 and the inner wire layer of the ionization chamber connecting wire 3 all penetrate through the first outer shielding pressing cap 101 and then enter the first rear insulating ring 102, the central cable 301 therein continuously penetrates through the first rear insulating ring 102 and is fixedly connected with the first central copper needle 105, and the first central copper needle 105 is connected to the second central copper needle 205 in the ionization chamber connecting seat 2 and then is communicated with the central cable 301 of the ionization chamber connecting wire 3 at the other end, so as to form a signal transmission path.
In this embodiment, a structure of a signal transmission path is provided, and when the signal transmission path is connected, the central cable 301 of the ionization chamber connecting wire 3 is inserted into the hole at the tail end of the first central copper needle 105, and is soldered by solder, and the connection part in the ionization chamber connecting seat 2 is connected in the same manner. In this embodiment, the separation between the signal transmission path and the second shielding path is by means of a transparent insulating layer 302, a black insulating layer 303, outside the central cable 301, and a first inner insulating ring 106, outside the first central copper needle 105. A tightening step 1021 is provided on the first front insulating ring 104 for providing a supporting force for the first front insulating ring 104 and the first middle shielding copper ring 103 to ensure a compact combination of internal components.
As a further embodiment, the front end of the ionization chamber connector housing 4 is further provided with a first rotary lock nut 401, the junction of the first middle shielding copper ring 103 and the ionization chamber connector housing 4 is provided with a second mounting groove 1033, the second mounting groove 1033 is provided with a rotating ring 402, the tail end of the first rotary lock nut 401 is folded, and the rotating ring 402 drives the ionization chamber connector housing 4 to transversely move so as to be tightly connected with the ionization chamber connecting seat 2.
In this embodiment, the first rotary lock nut 401 has the function of tightly connecting the ionization chamber connector housing 4 with the ionization chamber connector housing 5, and thus with the ionization chamber connector 2, by connecting the ionization chamber connector housing 4 with the threads at the end; on the other hand, the ionization chamber connector housing 4 is driven to transversely move by the rotating ring 402, so that the ionization chamber connector housing 4 is prevented from being damaged due to the fact that the ionization chamber connector housing 4 rotates along with the first rotary lock nut 401.
As a preferred embodiment, the ionization chamber connector further comprises a dust cap 7 arranged at the end heads of the ionization chamber connector 1 and the ionization chamber connecting seat 2, and the ionization chamber connector 1 and the ionization chamber connecting seat 2, the dust cap 7 and the ionization chamber connector 1 and the dust cap 7 and the ionization chamber connecting seat 2 are connected through threads.
In this embodiment, by adding the dust cap 7, tiny dust is prevented from entering the inside of the plug when the plug is disconnected, thereby affecting the transmission of weak electric signals.
In the present invention, a fixing notch 403 is further provided on the outside of the ionization chamber connector housing 4, and the fixing notch 403 is used for providing a stress point for the ionization chamber connector housing 4, so as to prevent the ionization chamber connector housing 4 from rotating during the connection process. Meanwhile, a stepped compression section 1032 which is folded inwards is arranged in the middle of the first middle shielding copper ring 103, the compression section 1032 compresses the space among the first front insulating ring 104, the first rear insulating ring 102 and the first outer shielding compression cap 101, and a compression force is provided when the ionization chamber connecting wire 3 at the rear end and the rest parts advance forwards, so that the internal structures of the whole ionization chamber connector 1 and the ionization chamber connecting seat 2 are kept compact in the assembling process.
According to the invention, the outer shell is in threaded connection, so that the inner shielding wire and the signal wire are completely wrapped by the outer layer, the entry of environmental interference signals is prevented, the three-card BNC connector of the three-coaxial TRB/BNC-JJ inlet 1533B radio frequency test wire commonly used in the market is in buckle connection, interference is easy to enter at the hollow part of the bayonet of the outer shielding in the connection mode, and when the line is pulled in a non-axial direction, unstable shielding and signal transmission are easy to be caused, so that the requirements of high shielding and high stability of ionization chamber radiation test cannot be met.
The terms "connected" and "fixed" used in the description of the present invention may be fixed, formed, welded, or mechanically connected, and the specific meaning of the terms in the present invention is understood in specific cases.
In the description of the present invention, the terms "center," "upper," "lower," "horizontal," "inner," "outer," and the like are used merely for convenience in describing the present invention and to simplify the description, and do not denote or imply a particular orientation that the device or element in question must have, and thus should not be construed as limiting the invention.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will appreciate that; the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (9)
1. The utility model provides a plug-in ionization chamber quick connector, includes ionization chamber connector (1) and ionization chamber connecting seat (2), its characterized in that, ionization chamber connector (1) and ionization chamber connecting seat (2) set up in opposite directions and can dismantle the grafting, ionization chamber connector (1) and ionization chamber connecting seat (2) terminal all with ionization chamber connecting wire (3) fixed connection, ionization chamber connector (1) and ionization chamber connecting seat (2) are the same with ionization chamber connecting wire (3) connected mode;
the ionization chamber connecting wire (3) is divided into seven layers, and the ionization chamber connecting wire comprises the following components in sequence from outside to inside: the outer skin (307), the outer shielding layer (306), the middle insulating layer (305), the middle shielding layer (304), the black insulating layer (303), the transparent insulating layer (302) and the central cable (301) are sequentially extended from outside to inside to the front end; an outer shielding layer (306) of the ionization chamber connecting wire (3) at one end is connected to the outer shielding layer (306) of the ionization chamber connecting wire (3) at the other end after passing through the ionization chamber connector (1) and the ionization chamber connecting seat (2), so as to form a first shielding passage;
the middle shielding layer (304) of the ionization chamber connecting wire (3) at one end is connected to the middle shielding layer (304) of the ionization chamber connecting wire (3) at the other end after passing through the ionization chamber connector (1) and the ionization chamber connecting seat (2), so as to form a second shielding passage;
the central cable (301) of the ionization chamber connecting wire (3) at one end is connected to the central cable (301) of the ionization chamber connecting wire (3) at the other end after passing through the ionization chamber connector (1) and the ionization chamber connecting seat (2), so as to form a signal transmission path;
the first shielding passage and the second shielding passage are isolated by an intermediate insulating layer (305), an ionization chamber connector (1) and a first separation component in an ionization chamber connecting seat (2); the second shielding passage and the signal transmission passage are isolated by a black insulating layer (303), a transparent insulating layer (302), an ionization chamber connector (1) and a second separation assembly in an ionization chamber connecting seat (2);
the first separation component in the ionization chamber joint (1) comprises a first rear insulating ring (102) for isolating the rear half sections of the first shielding passage and the second shielding passage, a first outer shielding compression cap (101) is further arranged at the rear end of the first rear insulating ring (102), and the first outer shielding compression cap (101) is used for communicating the ionization chamber joint shell (4) with the outer shielding layer (306); the first separation component in the ionization chamber joint (1) further comprises a first front insulating ring (104) for isolating the first shielding passage and the front half section of the second shielding passage; the second separation component in the ionization chamber joint (1) comprises a first inner insulating ring (106) for isolating the second shielding passage and the front half section of the signal transmission passage, and the black insulating layer (303) and the transparent insulating layer (302) isolate the second shielding passage and the rear half section of the signal transmission passage;
the first separation component in the ionization chamber connecting seat (2) comprises a second rear insulating ring (202) for isolating the first shielding passage and the rear half section of the second shielding passage, a second outer shielding compression cap (201) is further arranged at the rear end of the second rear insulating ring (202), and the second outer shielding compression cap (201) is used for communicating the ionization chamber connecting seat shell (5) with the outer shielding layer (306); the first separation component in the ionization chamber connecting seat (2) further comprises a second front insulating ring (204) for isolating the first shielding passage and the front half section of the second shielding passage; the second separation component in the ionization chamber connecting seat (2) comprises a second inner insulating ring (206) for isolating the second shielding passage and the front half section of the signal transmission passage, and the black insulating layer (303) and the transparent insulating layer (302) isolate the second shielding passage and the rear half section of the signal transmission passage.
2. A plug-in ionization chamber quick connector according to claim 1, wherein the first outer shielding compression cap (101) is arranged at the inner tail end of the ionization chamber connector housing (4), one side of the first outer shielding compression cap (101) is communicated with the outer shielding layer (306) of the ionization chamber connecting wire (3), the other side of the first outer shielding compression cap is communicated with the ionization chamber connector housing (4) and then is connected with the ionization chamber connecting seat housing (5), and the second outer shielding compression cap (201) at the inner tail end of the ionization chamber connecting seat housing (5) is communicated with the outer shielding layer (306) of the ionization chamber connecting wire (3) at the other end to form a first shielding passage.
3. A plug-in ionization chamber quick connector according to claim 2, characterized in that a locking anti-rotation nut (6) is further arranged at the terminal end of the connection side of the ionization chamber connector housing (4), the locking anti-rotation nut (6) comprises a hollow threaded cover (602) with a nut (601), a hollow anti-rotation cap (603) is rotatably arranged inside the threaded cover (602), and the front end of the anti-rotation cap (603) abuts against the rear end of the first outer shielding pressing cap (101).
4. A plug-in ionization chamber quick connector according to claim 1, characterized in that a hollow first intermediate shielding copper ring (103) is abutted against the front end face of the first rear insulating ring (102); the middle insulating layer (305) and the inner wire layer penetrate through the first outer shielding compaction cap (101) and then enter the first rear insulating ring (102), the middle shielding layer (304) in the inner wire layer continuously penetrates out of the side wall of the first rear insulating ring (102) and is fixedly connected with the first middle shielding copper ring (103), and after the first middle shielding copper ring (103) is conducted with the second middle shielding copper ring (203) in the ionization chamber connecting seat (2), the second middle insulating ring (202) and the second outer shielding compaction cap (201) in the ionization chamber connecting seat (2) penetrate sequentially and are conducted to the middle insulating layer (305) of the ionization chamber connecting wire (3) at the other end to form a second shielding passage.
5. The plug-in ionization chamber quick connector according to claim 4, wherein one end of the first outer shielding compression cap (101) is provided with a hollow conical closing-in (1011), the end of the hollow conical closing-in (1011) is inserted between the outer skin (307) and the outer shielding layer (306), the other end is provided with a first mounting groove (1012) which is concave inwards, and the first rear insulating ring (102) is fixed in the first mounting groove (1012).
6. The plug-in ionization chamber quick connector according to claim 4, wherein the front end of the first middle shielding copper ring (103) is annular, a plurality of notches (1031) cut along the length direction of the first middle shielding copper ring (103) are arranged on the circumference of the front end face, the notches (1031) are uniformly distributed on the circumference to form a reed structure, and the reed structure is tightly plugged with a socket at the end head of the second middle shielding copper ring (203).
7. The plug-in ionization chamber quick connector according to claim 1, wherein the first front insulating ring (104) is disposed at the front end inside the ionization chamber connector housing (4), the first front insulating ring (104) is internally provided with a first middle shielding copper ring (103), the first inner insulating ring (106) and a first central copper needle (105) in sequence, the black insulating layer (303) and the inner wire layer of the ionization chamber connecting wire (3) penetrate through the first outer shielding pressing cap (101) and then enter the first rear insulating ring (102), the central cable (301) therein continuously penetrates through the first rear insulating ring (102) and is fixedly connected with the first central copper needle (105), and the first central copper needle (105) is connected to the second central copper needle (205) inside the ionization chamber connecting seat (2) and then is communicated with the central cable (301) of the other end ionization chamber connecting wire (3) to form a signal transmission path.
8. The plug-in ionization chamber quick connector according to claim 4 or 7, wherein a first rotary lock nut (401) is further arranged at the front end of the ionization chamber connector housing (4), a second mounting groove (1033) is formed in the joint of the first middle shielding copper ring (103) and the ionization chamber connector housing (4), a rotating ring (402) is arranged in the second mounting groove (1033), the tail end of the first rotary lock nut (401) is folded, and the ionization chamber connector housing (4) is driven to transversely move through the rotating ring (402) and is further tightly connected with the ionization chamber connecting seat (2).
9. The plug-in ionization chamber quick connector according to claim 1, further comprising a dust cap (7) arranged at the ends of the ionization chamber connector (1) and the ionization chamber connecting seat (2), wherein the ionization chamber connector (1) and the ionization chamber connecting seat (2), the dust cap (7) and the ionization chamber connector (1) and the dust cap (7) and the ionization chamber connecting seat (2) are connected through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210431932.6A CN114914753B (en) | 2022-04-22 | 2022-04-22 | Plug-in ionization chamber quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210431932.6A CN114914753B (en) | 2022-04-22 | 2022-04-22 | Plug-in ionization chamber quick connector |
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| Publication Number | Publication Date |
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| CN114914753A CN114914753A (en) | 2022-08-16 |
| CN114914753B true CN114914753B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210431932.6A Active CN114914753B (en) | 2022-04-22 | 2022-04-22 | Plug-in ionization chamber quick connector |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202564729U (en) * | 2012-01-11 | 2012-11-28 | 张辉 | Double-layer screened coaxial cable with anti-separation design |
| CN112730910A (en) * | 2020-12-25 | 2021-04-30 | 杭州西湖电子研究所 | Separated time grafting subassembly with double-shielding function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8574006B2 (en) * | 2010-05-20 | 2013-11-05 | Charles David Gilliam | Shielded multi-pole electrical connector |
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- 2022-04-22 CN CN202210431932.6A patent/CN114914753B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202564729U (en) * | 2012-01-11 | 2012-11-28 | 张辉 | Double-layer screened coaxial cable with anti-separation design |
| CN112730910A (en) * | 2020-12-25 | 2021-04-30 | 杭州西湖电子研究所 | Separated time grafting subassembly with double-shielding function |
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| CN114914753A (en) | 2022-08-16 |
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