CN112349577B - Interface structure for conducting and transmitting fluid and detector device - Google Patents
Interface structure for conducting and transmitting fluid and detector device Download PDFInfo
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- CN112349577B CN112349577B CN201910733194.9A CN201910733194A CN112349577B CN 112349577 B CN112349577 B CN 112349577B CN 201910733194 A CN201910733194 A CN 201910733194A CN 112349577 B CN112349577 B CN 112349577B
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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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
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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
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
Abstract
The present disclosure provides an interface structure and probe device for conducting and transferring fluids. The interface structure includes: an insulating component and a transmission component. The insulation assembly includes a receiving section having a hollow structure defining a receiving space. The transmission assembly includes: a transfer member having a hollow structure defining a first diversion hole; and a conductive member. The transmission member is positioned in the receiving space of the receiving section of the insulation assembly, the first diversion hole of the transmission member is in fluid communication with the receiving space, and a fluid seal is formed between the outer surface of the transmission member and the inner surface of the receiving section of the insulation assembly.
Description
Technical Field
The present invention relates to the field of radiation measurement, and in particular to an interface structure and detector arrangement for conducting and transporting fluids.
Background
Ionization chambers, proportional counter tubes and various types of ionizing radiation detectors based on the above have been developed, which use specific gases as working media, and are used to detect ionizing radiation including heavily charged particles such as α, proton, muon (μ) in cosmic rays, electrons, electromagnetic radiation and neutrons. The ionizing radiation detector generates ionization in the working gas by means of the interaction between radiation and the substances in the detector, and the ions and electrons generated by ionization drift and multiply under the action of an electric field to output electric signals. There is a need for an ionizing radiation detector and associated interface components, etc., that are convenient to use and improve in performance.
Disclosure of Invention
The present disclosure provides an interface structure and probe device for conducting and transferring fluids.
According to one embodiment, an interface structure for conducting electricity and transferring fluids, the interface structure allowing transmission of electrical signals and fluids, the interface structure comprising:
an insulating assembly formed of an insulating material, comprising:
a receiving section having a hollow structure defining a receiving space;
a transport assembly, the transport assembly comprising:
a transmission member formed of a conductive material and having a hollow structure defining a first diversion hole; and
the first end of the conductive piece is fixedly connected with the transmission component and realizes electric connection;
wherein the transfer member is positioned within the receiving space of the receiving section of the insulation assembly, the first baffle hole of the transfer member is in fluid communication with the receiving space, and a fluid seal is formed between the outer surface of the transfer member and the inner surface of the receiving section of the insulation assembly;
the conductive piece extends out of the interface structure from the transmission member in the accommodating space of the accommodating section of the insulating assembly.
In one embodiment, the insulation assembly further comprises: a positioning flow guide section provided with a positioning hole and at least one second flow guide hole,
wherein the receiving section is connected with the positioning flow guide section such that the receiving space is in fluid communication with the at least one second flow guide hole.
In one embodiment, the conductive member extends from the positioning hole so that the second end of the conductive member can be fixed by a component other than the positioning hole, thereby fixing the first end and the second end of the conductive member and positioning a portion between the first end and the second end.
In one embodiment, the receiving section and the positioning flow guide section of the insulation assembly are integrally formed.
In one embodiment, the insulating assembly is made of a resilient material comprising polyimide, polytetrafluoroethylene, or polyetheretherketone.
In one embodiment, the positioning guide section has an axisymmetric structure, and the positioning hole is disposed at the center of the axisymmetric structure.
In one embodiment, the positioning guide section further comprises a guide structure for guiding the conductive member to be positioned through the positioning hole.
In one embodiment, the guide structure is a tapered hole connected to the locating hole at the end with the smaller diameter, and the length of the tapered hole is greater than that of the locating hole.
In one embodiment, the first end of the conductive piece is connected with the conductive piece by passing through a mounting hole on a side wall of the transmission member, and the conductive piece includes a tension spring portion in a receiving space so as to allow the first end of the conductive piece to protrude outside the receiving space defined by the receiving section by extension of the tension spring portion, to be connected with the transmission member after passing through the mounting hole of the transmission member, and to be retractable so as to pull the transmission member back into the receiving space defined by the receiving section.
In one embodiment, the end of the positioning flow guide section of the insulation assembly is stepped or tapered.
The present disclosure also provides a detector device comprising: the above-mentioned interface structure; and a housing including a first support plate and a second support plate disposed oppositely to define an inner space, wherein the first support plate includes a mounting portion (2021), the mounting portion (2021) includes a mounting through-hole,
the interface structure is installed in the installation through hole of the installation part, a fluid seal is formed between the outer surface of the insulation assembly of the interface structure and the inner surface of the installation through hole, the accommodating space of the accommodating section of the insulation assembly of the interface structure is communicated with the inner space limited by the shell in a fluid mode, and the second end of the electric conductor of the interface structure is fixedly connected to the second supporting plate of the shell.
In one embodiment, the mounting through-hole of the mounting portion has a step or slope such that the stepped or frustoconical shape of the positioning flow guide section of the insulator assembly cooperates with the step or slope within the mounting through-hole to axially position the insulator assembly.
In one embodiment, the mounting portion protrudes from the first support plate, and the mounting through-hole is provided in the mounting portion.
In one embodiment, the housing further comprises a ferrule assembly for mounting on the mounting portion of the first support plate and further securing the interface structure within the mounting through-hole of the mounting portion, the ferrule assembly comprising:
the inner conical wedge piece can be wedged between the installation through hole and the insulation component from the end surface of the installation part;
and an externally threaded ring connector having an internal thread to enable threaded connection with the thread of the mounting portion surface.
In one embodiment, the receiving section of the insulation assembly is capable of being deformed by being pressed by the internal tapered wedge such that the inner surface of the receiving section of the insulation assembly presses against the outer surface of the transmission member.
In one embodiment, the probe device further comprises at least one sealing ring arranged at a location inside the receiving section of the insulation assembly where it is pressed by the internal tapered wedge to effect a fluid seal between the outer surface of the transmission member and the inner surface of the receiving section of the insulation assembly.
In one embodiment, the detector device further includes a fixing component disposed on the second supporting plate, and the second end of the conductive member is fixed to the fixing component.
The present disclosure also provides an interface structure comprising an insulation assembly, a transmission assembly and a ferrule assembly, wherein
The insulation assembly including first and second opposing ends and having a hollow structure defining a space inside thereof, the transmission assembly being disposed within the space inside of the insulation assembly and a fluid seal being formed between an outer surface of the transmission member and an inner surface of the receiving section of the insulation assembly, the transmission assembly being formed of a conductor and a portion of the transmission assembly including a fluid channel such that the transmission assembly is capable of conducting electricity while allowing fluid to be transmitted from the first end to the second end through the fluid channel of the insulation assembly;
the ferrule assembly is adapted to be mounted on a structure to be connected and to further secure the interface structure within a bore of the structure to be connected, the ferrule assembly comprising: an internally tapered wedge member capable of being wedged into the hole of the structure to be connected and pressed against the surface of the insulating assembly; and an externally threaded ring connection having internal threads to enable threaded connection with threads of a surface of a structure to be connected.
In one embodiment, the receiving section of the insulation assembly is capable of being deformed by being pressed by the internal tapered wedge such that the inner surface of the receiving section of the insulation assembly presses against the outer surface of the transmission member.
In one embodiment, the interface structure further comprises at least one sealing ring arranged at a location inside the receiving section of the insulation assembly where it is pressed by the internal tapered wedge to achieve a fluid seal between the outer surface of the transmission member and the inner surface of the receiving section of the insulation assembly.
In one embodiment, the transmission component includes a conductive member electrically connecting the portion of the transmission component;
the second end of the insulation assembly includes a deflector aperture allowing fluid to flow out of the second end of the insulation assembly through the deflector aperture.
In one embodiment, the second end of the insulating assembly further comprises a positioning hole, and the conductive member is positioned by the positioning hole through the positioning hole.
In one embodiment, the conductive member further includes a tension spring portion positioned in a space defined by the insulating member.
Drawings
Figure 1 is a schematic cross-sectional view of a radiation detector according to one embodiment of the present disclosure.
Fig. 2 is an enlarged schematic view of a positioning inducer according to an embodiment of the disclosure, wherein the left view is a cross-sectional schematic view and the right view is a corresponding plan schematic view.
FIG. 3 is a cross-sectional schematic view of an interface structure for conducting and transferring fluids, illustrating a flow schematic of the fluids, according to one embodiment of the present disclosure.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
FIG. 1 illustrates a detector, such as a gaseous ionizing radiation detector, including a housing and an interface structure for conducting and transporting fluids according to one embodiment of the present disclosure.
The interface structure is used to transfer fluid into the probe housing and to transfer electrical current to the probe. As shown in fig. 1, the interface structure for conducting and transferring fluid is configured to allow the transmission of electrical signals and fluid.
In one embodiment, the interface structure comprises: an insulating assembly and a transmission member.
For example, as shown in fig. 3, according to an embodiment of the present disclosure, the insulation assembly is formed of an insulation material, and may include a receiving section 205, the receiving section 205 having a hollow structure defining a receiving space. The receiving section 205 may be a separate component, however, may also be part of the insulating assembly. The insulation assembly may include only the receiving segment 205, or may include other components. The receiving section 205 may be, for example, a cylindrical tube, such as a cylindrical insulating tube. In one embodiment, the receiving segment 205 may be an insulating tube of other shapes, such as an oval-shaped insulating tube, for transporting fluids. In one embodiment, the containment segment 205 may be a rectangular insulating tube for transporting fluids. The fluid comprises air, liquid, or a gas-liquid mixture.
In one embodiment, the transmission assembly of the interface assembly includes a transmission member 206, the transmission member 206 being formed of an electrically conductive material and having a hollow structure defining first flow-inducing apertures 2061, the first flow-inducing apertures 2061 allowing fluid to flow therethrough. The transmission assembly further comprises an electrically conductive piece 208, a first end of said electrically conductive piece 208 being fixedly connected and electrically connected to said transmission member 206. The transmission member 206 is for electrical conductivity and may be formed of an electrically conductive material, for example, the transmission member 206 may be a metal round tube. In one embodiment, the conductive member 208 may be a wire or a metal wire, etc.
In this embodiment, the transfer member 206 is located in the receiving space of the receiving section 205 of the insulation assembly, the first deflector aperture 2061 of the transfer member 206 is in fluid communication with the receiving space, and a fluid seal is formed between the outer surface of the transfer member 206 and the inner surface of the receiving section 205 of the insulation assembly. The fluid communication of the first flow-directing apertures 2061 of the transfer member 206 with the receiving space refers to the fluid communication between the first flow-directing apertures 2061 of the transfer member 206 and the portion of the receiving space defined by the fluid seal between the outer surface of the transfer member 206 and the inner surface of the receiving section 205 of the insulation assembly.
The conductors 208 extend from the transmission member 206 out of the interface structure within the receiving space of the receiving section 205 of the insulating assembly. The conductors 208 extending out of the interface structure may be electrically connected or fixedly connected to other components. For example, conductive member 208 may be coupled to a detector device.
In one embodiment, the transmission member 206 may, for example, have a cylindrical shape, such as a conductive metal circular tube. The transmission member 206 of the conductive metal circular tube is arranged in the cylindrical accommodating section 205, the size of the transmission member 206 can be set to make the outer surface of the transmission member 206 fit with the inner surface of the accommodating section 205, the accommodating section 205 can be heated during installation to increase the thermal expansion size of the accommodating section 205, and then after the transmission member 206 is arranged in the accommodating section 205, the accommodating section 205 and the transmission member 206 form a tight fit after the normal temperature is recovered. In this embodiment, the tight fit between the receiving segment 205 and the transmission member 206 causes a seal to be formed between the outer surface of the transmission member 206 and the inner surface of the receiving segment 205.
In another embodiment, the transmission member 206 of a conductive metal round tube is disposed within the cylindrical receiving section 205, the transmission member 206 may be sized such that a gap is formed between the outer surface of the transmission member 206 and the inner surface of the receiving section 205, and a sealing ring 223 is disposed between the outer surface of the transmission member 206 and the inner surface of the receiving section 205 such that a seal is formed between the outer surface of the transmission member 206 and the inner surface of the receiving section 205.
The seal between the outer surface of the transfer member 206 and the inner surface of the containment section 205 is such that fluid can only enter the space defined by the containment section 205 from the first deflector aperture 2061 of the transfer member 206 and fluid cannot enter or exit the space defined by the containment section 205 from between the outer surface of the transfer member 206 and the inner surface of the containment section 205.
In one embodiment, the insulation assembly may further comprise a positioning flow guide section 211 provided with at least one second flow guide hole 2111, and the receiving section 205 is connected to the positioning flow guide section 211 such that the receiving space is in fluid communication with the at least one second flow guide hole 2111.
The positioning flow guide section 211 further comprises a positioning hole 2113. The conductive piece 208 may extend from the positioning hole 2113 so that the second end of the conductive piece 208 can be fixed by a component other than the positioning hole 2113. The first end and the second end of the conductive member 208 may be fixed, and a portion between the first end and the second end of the conductive member 208 may be positioned by the positioning hole 2113. The positioning hole 2113 and the second guide hole 2111 are different holes of the guide section.
In one embodiment, as shown in fig. 2, the cross-sectional view and the plan view of the positioning guide section 211 show that the positioning hole 2113 may be located at the center of the positioning guide section 211, and the second guide holes 2111 may be located at both sides of the positioning hole 2113. In other embodiments, the second flow guiding holes 2111 may be three, four, five or more, or may be a plurality of closely-spaced holes. The arrangement of the second diversion holes 2111 may also be random or regularly arranged along a circular path.
In one embodiment, the positioning guide section 211 has an axisymmetric structure, and the positioning hole 2113 is disposed at the center of the axisymmetric structure. Such a configuration may secure the electrical conductor in the center of the flow guide section and insulation assembly.
In the embodiment shown in fig. 2, the positioning flow guide section 211 may further include a tapered hole 2112 (shown in cross-section) having a length greater than the length of the positioning hole 2113. Tapered hole 2112 may serve as a guide structure for guiding conductor 208 to be positioned through positioning hole 2113.
In one embodiment, the outer peripheral surface of the guide structure has a reduced-size portion, such as the left end shown in fig. 2, having a stepped shape. In another embodiment, the outer surface of the guide structure has a frustoconical shape. The stepped shape or the frusto-conical shape may serve as a location for assembly. In particular, when assembling the insulating assembly, for example assembling the insulating assembly into a hole, the stepped shape or the frustoconical shape is such that the insulating assembly cannot pass through the hole but is blocked by a corresponding step or slope of the hole.
In one embodiment, the receiving section 205 and the positioning guide section 211 are separate components of an insulation assembly, the receiving section 205 and the positioning guide section 211 being joined (e.g., bonded, welded, etc.) to form the insulation assembly; however, in another embodiment, the insulation assembly is unitary, and the containment section 205 and the positioning guide section 211 are different portions of the insulation assembly.
In one embodiment, the insulating member is formed of a resilient material, such as polyimide, polytetrafluoroethylene, or polyetheretherketone. That is, the receiving section 205 and the positioning guide section 211 may be formed using an insulating organic material. The insulating organic material is insulating and easy to form, for example, by molding to form an integrated insulating member or separately forming the receiving section 205 and the positioning guide section 211, so that the fabrication is simple. Furthermore, the organic material may have a certain elasticity, i.e. a certain deformation of the receiving section 205 in case of pressure, which is advantageous at the time of assembly, e.g. a press fit may be achieved.
In one embodiment, a first end (e.g., the right end as viewed in fig. 1) of the conductor 208 is coupled to the conductor 208 by passing through a mounting hole 204 in a sidewall of the transmission member 206. For example, the conductive member 208 has a certain strength, and the first end is formed in a hook shape, so that an electrical connection can be formed on the mounting hole 204 on the sidewall of the transmission member 206, and the connection facilitates the mounting. In one embodiment, a bolt may be provided on a sidewall of the transmission member 206, and the first end of the conductor 208 may be attached to the bolt.
The conductive member 208 further includes a tension spring portion 207 in the receiving space. As shown in fig. 1, the extension spring portion 207 is within the space defined by the receiving section 205. The dimensions of the conductive element 208 and other components may change due to temperature changes, for example, the conductive element 208 is a conductive metal, the insulating element is a polymer insulating material, and the expansion coefficients are different from each other, so that the increase in size due to temperature rise is different, the conductive element 208 and other components have disproportionate dimensional changes, and the two ends of the conductive element 208 are fixedly connected, so that the conductive element 208 is subjected to a tensile force. In this embodiment, the tension spring portion 207 of the conductive element 208 can be extended and retracted, so as to eliminate the disproportionate stretching effect on the conductive element 208 caused by the dimensional changes of the conductive element 208 and other components during the temperature variation process, and avoid the conductive element 208 being pulled apart or the end of the conductive element 208 being loose.
The conductor-provided tension spring portion 207 may also allow the first end of the conductor 208 to protrude outside the receiving space defined by the receiving section 205 by extension of the tension spring portion 207 during installation or when replacing the transmission member 206, the first end of the conductor 208 is passed through the mounting hole 204 of the transmission member 206 outside the receiving section 205 to obtain electrical connection of the conductor 208 to the transmission member 206, and the tension spring portion 207 can be retracted to pull the transmission member 206 back into the receiving space defined by the receiving section 205. Such a design allows for convenient and easy assembly of the transmission assembly and the insulation assembly.
In one embodiment, positioning holes 2113 of positioning guide section 211 allow conductor 208 to move within positioning hole 2113. In one embodiment, locating hole 2113 may be sized similar to the size of conductive member 208 and slightly larger than the size of conductive member 208. For example, the aperture of the positioning hole 2113 is in the range of tens of micrometers to several millimeters, the accuracy of the positioning hole 2113 at the position of the central axis of the detector housing can be controlled in the range of hundreds of micrometers to tens of micrometers, the accuracy can be realized by common machining equipment, and the conductive member 208 can be accurately positioned after penetrating through the conical hole to be centrally positioned. Locating hole 2113 may thus locate a middle portion of conductor 208 such that conductor 208 (e.g., conductor 208 is a conductive wire) does not sag, while allowing movement of conductor 208 relative to locating hole 2113 during temperature changes.
The interface structure of the present disclosure can realize fluid communication and electrical connection between the interface structure and the device to be connected only by providing one through hole or channel for the device to be connected, thereby reducing the number of openings; the further positioning of the conductive member allows the device, such as a probe, to operate more stably.
Embodiments of the present disclosure also provide a detector device, including: the above-mentioned interface structure; and a housing. The housing includes a first support plate 202 and a second support plate 210 disposed opposite to each other so as to define an inner space. The first support plate 202 includes a mounting through hole 2022. The interface structure is mounted within the mounting through-hole 2022 of the mounting portion. A fluid seal is formed between the outer surface of the insulating component of the interface structure and the inner surface of the mounting through-hole 2022, the at least one second baffle hole 2111 of the interface structure is in fluid communication with the interior space defined by the housing, and the second end of the electrical conductor of the interface structure is fixedly attached to the second support plate 210 of the housing.
The housing of the probe may for example be cylindrical, however, the probe housing may be other shapes, such as rectangular.
In one embodiment, the mounting through-hole 2022 of the mounting portion has a step or slope such that the stepped or truncated cone shape of the positioning guide section 211 of the insulating assembly mates with the step or slope within the mounting through-hole 2022 to axially position the insulating assembly. With such a structure, when the interface structure is assembled to the mounting through-hole 2022, the interface structure may be positioned against a step or a slope of the mounting through-hole 2022 without passing through the mounting through-hole 2022.
In one embodiment, the first support plate 202 includes a mounting portion 2021, the mounting portion 2021 protrudes from the first support plate 202, and the mounting through-hole 2022 is disposed within the mounting portion 2021. It should be appreciated that the configuration of the mounting portion 2021 is not required. The installation portion 2021 is provided to extend the length of the installation through hole 2022, so that the contact area between the interface structure and the installation through hole 2022 is increased, and the interface structure can be more stably installed in the installation through hole 2022.
In this embodiment, the probe further includes a ferrule assembly for mounting on the mounting portion 2021 of the first support plate 202 and further fixing the interface structure in the mounting through hole 2022 of the mounting portion 2021, the ferrule assembly includes: an inner tapered wedge 204 capable of being wedged between the mounting through hole 2022 and the insulating assembly from the end surface of the mounting portion 2021; and an externally threaded ring connector 203 having an internal thread to enable a threaded connection with the thread of the surface of the mounting portion 2021. The inner tapered wedge 204 may be wedged between the mounting through-hole 2022 and the insulator assembly such that the ferrule assembly is stopped by the end of the mounting portion 2021 after being rotated a distance in the leftward direction of fig. 1. The externally threaded ring connector 203 may be coupled to a surface of the mounting portion 2021 while the receiving section 205 of the interface structure may be positioned.
In one embodiment, the receiving section 205 of the insulation assembly can be deformed by being pressed by the internal tapered wedge 204, and the inner surface of the receiving section 205 of the insulation assembly presses against the outer surface of the transmission member 206. This is an advantageous configuration when the ferrule assembly is threaded to the mounting portion 2021, as in fig. 1, the ferrule assembly is moved to the left, the internal tapered wedge 204 presses against the receiving section 205 such that the receiving section 205 is deformed by the pressing, thereby causing contact between the receiving section 205 and the transmission member 206 to be compressed, the receiving section 205 is secured by the internal tapered wedge 204, and the transmission member 206 is secured by the receiving section 205 such that the interface structure is further secured, and the connection between the interface structure and the mounting portion 2021 is further strengthened.
In one embodiment, the interface structure of the detector device is configured such that a gap or space exists between the receiving segment 205 and the transmission member 206, and the interface structure further comprises at least one sealing ring 223 for sealing the gap or space between the receiving segment 205 and the transmission member 206. In this embodiment, at least one sealing ring 223 between the receiving section 205 and the transmission member 206 is arranged at the location where the receiving section 205 is pressed by the inner tapered wedge 204, such that when the inner tapered wedge 204 presses the receiving section 205, the deformation of the receiving section 205 presses the at least one seal such that the fluid seal between the outer surface of the transmission member 206 and the inner surface of the receiving section 205 of the insulation assembly is reinforced.
In one embodiment, the detector device further includes a fixing component 209 disposed on the second supporting plate 210, and a second end of the conductive component 208 is fixed to the fixing component 209.
Embodiments of the present disclosure also provide an interface structure comprising an insulating assembly and a transmission assembly, wherein the insulating assembly includes opposing first and second ends, the transmission assembly is disposed within the insulating assembly, the transmission assembly is formed from a conductor and includes a fluid channel such that the transmission assembly is capable of conducting electricity while allowing fluid to be transmitted from the first end of the insulating assembly to the second end through the fluid channel.
In one embodiment, the interface structure further comprises a ferrule assembly for mounting on and further securing the interface structure within the bore of the structures to be joined, the ferrule assembly comprising: an internally tapered wedge 204 capable of wedging into the hole of the structure to be joined and pressing against the surface of the insulating assembly; an externally threaded ring connection 203 having internal threads to enable threaded connection with threads of a surface of a structure to be connected.
In one embodiment, the receiving section 205 of the insulation assembly can be deformed by being pressed by the internal tapered wedge 204, and the inner surface of the receiving section 205 of the insulation assembly presses against the outer surface of the transmission member 206.
In one embodiment, the interface structure further comprises at least one sealing ring 223 arranged at the location where the interior of the receiving section 205 of the insulation assembly is pressed by the inner tapered wedge 204, in order to achieve a fluid seal between the outer surface of the transfer member 206 and the inner surface of the receiving section 205 of the insulation assembly.
In one embodiment, the transmission component includes an electrically conductive member 208, the electrically conductive member 208 electrically connecting the portion of the transmission component. In the interface configuration shown in fig. 1, the conductive elements 208 include a left conductive element 208 and a right portion including a fluid passageway 2061.
The second end of the insulation assembly (which in the embodiment shown in fig. 1 is the left end of the insulation assembly) includes a deflector orifice allowing fluid to flow out of the second end of the insulation assembly through the deflector orifice. In one embodiment, the second end of the insulating assembly further includes a positioning hole 2113, and the conductive member 208 is positioned by the positioning hole 2113 through the positioning hole 2113. A locating hole 2113 is provided in the center of the second end of the insulating assembly and flow guide holes are distributed around the locating hole 2113. In one embodiment, the conductive member 208 further includes a tension spring portion 207 positioned within the space defined by the insulating assembly.
The interface structure of the present disclosure can realize fluid communication and electrical connection between the interface structure and the device to be connected only by providing one through hole or channel for the device to be connected, thereby reducing the number of openings; the ferrule assembly can provide a more stable connection; the further positioning of the conductive member allows the device, such as a probe, to operate more stably.
Claims (16)
1. An interface structure for conducting electricity and transferring fluids, the interface structure allowing transmission of electrical signals and fluids, the interface structure comprising:
an insulating assembly formed of an insulating material, comprising:
a receiving section (205) having a hollow structure defining a receiving space;
a transport assembly, the transport assembly comprising:
a transmission member (206), the transmission member (206) being formed of an electrically conductive material and having a hollow structure defining a first flow-inducing hole (2061); and
an electrically conductive piece (208) having a first end fixedly connected and electrically connected to the transmission member (206);
wherein the transfer member (206) is located within the receiving space of the receiving section of the insulation assembly, the first baffle hole of the transfer member is in fluid communication with the receiving space, and a fluid seal is formed between the outer surface of the transfer member and the inner surface of the receiving section of the insulation assembly;
the conductor extending from the transmission member (206) within the receiving space of the receiving section of the insulation assembly out of the interface structure;
wherein the insulating assembly further comprises: a positioning flow guide section (211) provided with a positioning hole (2113) and at least one second flow guide hole (2111),
wherein the receiving section (205) is connected with the positioning flow guiding section (211) such that the receiving space is in fluid communication with the at least one second flow guiding hole (2111).
2. The interface structure of claim 1, wherein the conductive member extends from the positioning hole such that the second end of the conductive member can be secured by a component other than the positioning hole, thereby enabling the first and second ends of the conductive member to be secured and the portion between the first and second ends to be positioned.
3. The interface structure of claim 1, wherein the receiving section and the positioning guide section of the insulating assembly are integrally formed.
4. The interface structure of any one of claims 1-3, wherein the insulating component is made of a resilient material comprising polyimide, polytetrafluoroethylene, or polyetheretherketone.
5. The interface structure according to any one of claims 1-3, wherein the positioning flow guide section (211) has an axisymmetric structure, and the positioning hole (2113) is provided at the center of the axisymmetric structure.
6. The interface structure according to any of claims 1-3, wherein the positioning flow guide section (211) further comprises a guiding structure for guiding the electrically conductive member (208) to be positioned through the positioning hole (2113).
7. The interface structure according to claim 6, wherein the guide structure is a tapered hole (2112) connected to the positioning hole (2113) at the end having the smaller diameter, the length of the tapered hole (2112) being greater than the length of the positioning hole (2113).
8. The interface structure of claim 2, wherein the first end of the conductor (208) is connected to the conductor by passing through a mounting hole (224) in a side wall of the transmission member (206), and the conductor includes a tension spring portion in a receiving space.
9. The interface structure according to claim 1, wherein the end of the positioning flow guide section (211) of the insulating assembly is stepped or tapered.
10. A detector arrangement comprising:
an interface structure as claimed in any one of claims 1 to 9; and
a housing including a first support plate (202) and a second support plate (210) disposed opposite to each other so as to define an inner space, wherein the first support plate includes a mounting portion (2021), the mounting portion (2021) includes a mounting through-hole (2022),
wherein the interface structure is mounted in the mounting through hole of the mounting portion, a fluid seal is formed between the outer surface of the insulating component of the interface structure and the inner surface of the mounting through hole, the accommodating space of the accommodating section of the insulating component of the interface structure is in fluid communication with the inner space defined by the housing, and the second end of the electric conductor of the interface structure is fixedly connected to the second supporting plate (210) of the housing.
11. The detector arrangement of claim 10, wherein the mounting through-hole of the mounting portion has a step or a slope such that the stepped or truncated cone shape of the positioning guide section (211) of the insulating assembly cooperates with the step or slope in the mounting through-hole for axially positioning the insulating assembly.
12. The probe device of claim 10, wherein the mounting portion protrudes from a first support plate (202), the mounting through-hole being disposed within the mounting portion.
13. The detector arrangement of claim 12 wherein the housing further comprises a ferrule assembly for mounting on the mounting portion protruding from the first support plate (202) and further securing the interface structure within the mounting through-hole of the mounting portion, the ferrule assembly comprising:
an internally tapered wedge (204) capable of being wedged between the mounting through hole and the insulation assembly from the end face of the mounting portion;
and an externally threaded ring connection (203) having internal threads to enable threaded connection with the threads of the mounting portion surface.
14. The detector arrangement of claim 13 wherein the receiving section (205) of the insulation assembly is deformable by being squeezed by an internal tapered wedge, whereby an inner surface of the receiving section (205) of the insulation assembly presses against an outer surface of the transmission member.
15. The detector arrangement according to claim 14, further comprising at least one sealing ring arranged at a location inside the receiving section (205) of the insulation assembly where it is pressed by an internal conical wedge in order to achieve a fluid seal between the outer surface of the transmission member and the inner surface of the receiving section of the insulation assembly.
16. The detector arrangement of claim 10, further comprising a fixing member disposed on the second support plate (210), the second end of the conductive member (208) being secured to the fixing member.
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| CN201910733194.9A CN112349577B (en) | 2019-08-08 | 2019-08-08 | Interface structure for conducting and transmitting fluid and detector device |
| CN202210136365.1A CN114421219B (en) | 2019-08-08 | 2019-08-08 | Interface structure for conducting and conveying fluid and detector device |
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| CN114421219A (en) | 2022-04-29 |
| CN114421219B (en) | 2022-10-04 |
| CN112349577A (en) | 2021-02-09 |
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