CN209822323U - Shielding wire for sensor - Google Patents
Shielding wire for sensor Download PDFInfo
- Publication number
- CN209822323U CN209822323U CN201921159267.XU CN201921159267U CN209822323U CN 209822323 U CN209822323 U CN 209822323U CN 201921159267 U CN201921159267 U CN 201921159267U CN 209822323 U CN209822323 U CN 209822323U
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- silver
- plated copper
- sleeve
- shielding
- inner core
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Abstract
The utility model discloses a shielded conductor for a sensor, which relates to the technical field of conductors and comprises a conductor body, wherein the conductor body comprises a stranded wire and an inner protective sleeve sleeved outside the stranded wire, a silver-plated copper shielding sleeve which is grounded is sleeved outside the inner protective sleeve, and an insulating outer protective sleeve is sleeved outside the silver-plated copper shielding sleeve; the stranded wires and the inner protective sleeve jointly form an inner core, the inner cores are arranged side by side, and the silver-plated copper shielding sleeve and the outer protective sleeve are both arranged into a flat sleeve-shaped structure. Because the inner core arranges the setting side by side, and the cover locates outer silver-plated copper shield cover of inner core and outer protective sheath and all sets up to the platykurtic structure, then the whole shape of wire structure that comprises inner core, silver-plated copper shield cover and outer protective sheath is flat, easily installer wears to establish the wire of sensor in narrow position department, has better walking the line and arranges the convenience.
Description
Technical Field
The utility model belongs to the technical field of the wire technique and specifically relates to a shielded wire for sensor is related to.
Background
The sensor is used for sensing the information to be measured and converting the sensed information into an electric signal or other information output in a required form according to a certain rule so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like.
The existing chinese patent with publication number CN201926520U discloses a platinum resistance temperature sensor with a shielding wire, which includes a temperature measuring chip and a protection tube sleeved outside the temperature measuring chip, wherein a heat conducting material is filled between the protection tube and the temperature measuring chip, the temperature measuring chip is connected with a wire, and a wire protection sheath is sleeved outside the wire; the shielding wire is sleeved on the lead in the lead protecting outer sheath, and the front end of the shielding wire is inserted into the middle of the inner cavity of the protecting tube and is fixedly connected with the protecting tube. The platinum resistance temperature sensor with the shielding wire is high in reliability and has high sensor wire strength and tensile property.
The lead of the sensor is usually set to be a cylindrical line structure, and the lead of the sensor is flexible and easy to bend, so that the installation personnel can arrange and route the lead conveniently. However, in the actual installation process, it is difficult for the installer to directly perform threading arrangement at the narrow position, and wires need to be wound or additional brackets need to be added, which causes great difficulty in the arrangement of the sensor wires.
SUMMERY OF THE UTILITY MODEL
To the technical problem, an object of the utility model is to provide a shielded wire for sensor sets up the inner core side by side to establish the silver-plated copper shield cover and the outer protective sheath of platykurtic structure at the inner core overcoat, thereby reach the purpose that the installer of being convenient for was arranged in narrow position department threading.
In order to achieve the above purpose, the utility model provides a following technical scheme: a shielded conductor for a sensor comprises a conductor body, wherein the conductor body comprises a stranded wire and an inner protective sleeve sleeved outside the stranded wire, a grounded silver-plated copper shielding sleeve is sleeved outside the inner protective sleeve, and an insulated outer protective sleeve is sleeved outside the silver-plated copper shielding sleeve; the stranded wire and the inner protective sleeve jointly form an inner core, the inner cores are arranged side by side, and the silver-plated copper shielding sleeve and the outer protective sleeve are both arranged into a flat sleeve-shaped structure.
Through adopting above-mentioned technical scheme, outer protective sheath plays the effect of protection inner core and silvering copper shield cover, and silvering copper shield cover plays main shielding external magnetic field and disturbs and prevent the outside electromagnetic energy's of circuit effect, and the stranded conductor of inner core plays the effect of transmission sensor signal, and the inner protective sheath of inner core plays the effect of separating stranded conductor and inner protective sheath and protecting the stranded conductor simultaneously. Because the inner core arranges the setting side by side, and the cover locates outer silver-plated copper shield cover of inner core and outer protective sheath and all sets up to the platykurtic structure, then the whole shape of wire structure that comprises inner core, silver-plated copper shield cover and outer protective sheath is flat, easily installer wears to establish the wire of sensor in narrow position department, has better walking the line and arranges the convenience.
The utility model discloses further set up to: the outer protective sheath sets up to the flat nested structure that the cross-section is triangle-shaped, just outer protective sheath sets up with the laminating completely of silvering copper shield cover.
By adopting the technical scheme, the outer protective sleeve is arranged to be of a flat sleeve-shaped structure similar to a triangular shape, so that the protective effect of the outer protective sleeve on the inner core and the silver-plated copper shielding sleeve is improved while the installation personnel can conveniently wear the wires, and the anti-breaking structural strength of the sensor wire is improved to a certain extent; and the outer protective sleeve is completely attached to the silver-plated copper shielding sleeve, so that the problem that the outer protective sleeve and the silver-plated copper shielding sleeve are seriously staggered when the conductor body is bent is solved.
The utility model discloses further set up to: three apex angles of outer protective sheath all dissect and are formed with planar structure.
Through adopting above-mentioned technical scheme, set up the three apex angle of outer protective sheath into planar structure, then when walking the line and arranging the sensor wire, the planar structure of outer protective sheath can cooperate with exterior structure and play the effect of the fixed wire body of auxiliary stay.
The utility model discloses further set up to: the inner core comprises a signal inner core and a shielding grounding inner core, the signal inner core is connected with the sensor, and the shielding grounding inner core is grounded and connected with the silver-plated copper shielding sleeve.
Through adopting above-mentioned technical scheme, the signal inner core plays the effect of transmission sensor signal, and shielding ground connection inner core plays the effect with the leading-in earth of external interference signal and inside electromagnetic radiation, is favorable to further improving the electromagnetic shield effect of wire body.
The utility model discloses further set up to: the silver-plated copper shielding sleeve is arranged in a silver-plated copper braided net structure.
By adopting the technical scheme, the silver-plated copper shielding sleeve is arranged to be in a silver-plated copper braided net structure, and the silver-plated copper shielding sleeve with the braided net structure has lower critical resistance and is suitable for shielding low-frequency electromagnetic interference.
The utility model discloses further set up to: the silver-plated copper shielding sleeve is arranged in a silver-plated copper foil structure.
By adopting the technical scheme, the silver-plated copper shielding sleeve is arranged to be of a silver-plated copper foil structure, so that the shielding sleeve is suitable for shielding high-frequency radio frequency signals, the high-frequency electromagnetic signals are prevented from freely coming in and coming out, and the electromagnetic shielding effect is improved.
The utility model discloses further set up to: the silver-plated copper shielding sleeve comprises a silver-plated copper shielding net and a silver-plated copper shielding foil which are sleeved and matched for use, the silver-plated copper shielding foil is sleeved outside the silver-plated copper shielding net, and the silver-plated copper shielding foil is completely attached to the outer protective sleeve.
By adopting the technical scheme, the silver-plated copper shielding net and the silver-plated copper shielding foil are compounded to form the silver-plated copper shielding sleeve, so that the high-frequency and low-frequency mixed interference field is suitable, namely the silver-plated copper shielding foil is suitable for electromagnetic interference in a high-frequency range, and the silver-plated copper shielding net is suitable for electromagnetic interference in a low-frequency range.
The utility model discloses further set up to: an insulating separation layer is formed between the silver-plated copper shielding net and the silver-plated copper shielding foil in a clamping mode.
Through adopting above-mentioned technical scheme, press from both sides between silver-plated copper shield net and silver-plated copper shield foil and establish insulating separate layer to make both alternate segregation, in order to obtain dual electromagnetic shield effect.
To sum up, the utility model discloses following beneficial effect has:
one is as follows: because the inner cores are arranged side by side, and the silver-plated copper shielding sleeve and the outer protective sleeve which are sleeved outside the inner cores are both of flat structures, the whole shape of a wire structure consisting of the inner cores, the silver-plated copper shielding sleeve and the outer protective sleeve is flat, so that an installer can easily penetrate through a wire of the sensor at a narrow position, and the wire routing arrangement convenience is better;
the second step is as follows: the user can select the suitable silver-plated copper shielding sleeve structure according to the actual requirements of electromagnetic shielding, namely, the silver-plated copper shielding net, the silver-plated copper shielding foil and the composite structure formed by the silver-plated copper shielding net and the silver-plated copper shielding foil have better selection applicability.
Drawings
FIG. 1 is a schematic view of the overall structure of a shield wire for a sensor when a silver-plated copper shield sleeve is provided as a silver-plated copper shield mesh;
FIG. 2 is a schematic view showing the overall structure of a shield wire for a sensor when a silver-plated copper shield sleeve is provided as a silver-plated copper shield foil;
FIG. 3 is a schematic view showing the overall structure of a shield wire for a sensor when a silver-plated copper shield sleeve is provided as a composite structure of a silver-plated copper shield mesh and a silver-plated copper shield foil;
fig. 4 is an enlarged schematic view of a portion a in fig. 3.
Reference numerals: 1. a lead body; 2. an inner core; 21. an inner protective sheath; 22. stranding; 3. an outer protective sheath; 31. a planar structure; 4. plating a silver-plated copper shielding sleeve; 41. silver-plated copper shielding net; 42. silver-plated copper shielding foil; 5. an insulating separation layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a shielded wire for a sensor, including wire body 1, wire body 1 includes inner core 2 that is used for transmitting sensor signal, and 2 overcoat of inner core are equipped with silver-plated copper shield 4 that is used for shielding external signal interference, and the whole cover of inner core 2 and silver-plated copper shield 4 is equipped with outer protective sheath 3 that plays the guard action. The inner core 2 comprises a stranded wire 22 and an inner protective sleeve 21 sleeved outside the stranded wire 22, the stranded wire 22 is formed by winding silver-plated copper wires, and the inner protective sleeve 21 and the outer protective sleeve 3 are both made of PFA (small amount of copolymer of perfluoropropyl perfluorovinyl ether and polytetrafluoroethylene) insulating materials; the lead body 1 formed by the inner core 2, the silver-plated copper shielding sleeve 4 and the outer protective sleeve 3 has the function of shielding external signal interference, and is favorable for obtaining stable signal transmission.
Three inner cores 2 are arranged in the silver-plated copper shielding cover in a penetrating mode, two inner cores 2 are arranged to be signal inner cores 2, the signal inner cores 2 are used for signal connection of a sensor and a receiver, the other inner core is arranged to be a shielding grounding inner core 2, and the shielding grounding inner core 2 is connected with the ground and a silver-plated copper shielding sleeve 4 respectively to guide external interference signals into the ground.
Silver-plated copper shield cover 4 and outer protective sheath 3 all set up to flat nested structure, and silver-plated copper shield cover 4 and the setting of laminating completely of outer protective sheath 3, and three inner cores 2 in the silver-plated copper shield cover 4 are arranged side by side simultaneously and are set up, and the overall structure of wire body 1 is flat structure promptly to in narrow position department wear to establish the shielded wire for arranging the sensor. The cross-section of the outer protective sleeve 3 is set to be a triangular structure, and three vertex angles of the outer protective sleeve 3 are all cut to form a plane structure 31, namely the improvement
Referring to fig. 1, an installer can select a silver-plated copper shielding sleeve 4 with a suitable structure according to actual conditions, and can selectively set the silver-plated copper shielding sleeve 4 to be a silver-plated copper woven mesh structure, i.e., a silver-plated copper shielding mesh 41 is formed, and the silver-plated copper shielding mesh is suitable for shielding low-frequency electromagnetic interference; referring to fig. 2, the silver-plated copper shielding sleeve 4 may be set to be a silver-plated copper foil structure, i.e., a silver-plated copper shielding foil 42 is formed, which is suitable for shielding high-frequency electromagnetic interference; as shown in fig. 3, a composite structure of the silver-plated copper shielding mesh 41 and the silver-plated copper shielding foil 42 may be selected, and the silver-plated copper shielding foil 42 is located outside the silver-plated copper shielding mesh 41 and completely attached to the outer protective cover 3, and is suitable for low-frequency and high-frequency electromagnetic interference. Referring to fig. 4, in the silver-plated copper shielding sleeve 4 with a composite structure, an insulating spacer layer 5 is sandwiched between the silver-plated copper shielding mesh 41 and the silver-plated copper shielding foil 42, and the insulating spacer layer 5 may also be made of PFA material, so as to separate the silver-plated copper shielding mesh 41 and the silver-plated copper shielding foil 42 and realize a double-layer shielding effect.
The utility model is further explained by combining the specific processing principle as follows:
firstly, a wrapping inner protective sleeve 21 is sleeved outside a stranded wire 22, the inner protective sleeve 21 can be made of PFA (Perfluoro fluoro alkoxy) material, and then three inner cores 2 are arranged in a silver-plated copper shield in a parallel penetrating manner, wherein two signal inner cores 2 are respectively connected with a sensor and a receiver, and one shielding grounding inner core 2 is respectively connected with the ground and the silver-plated copper shield; the silver-plated copper shield can be selected from the silver-plated copper shield mesh 41, the silver-plated copper shield foil 42 and a composite shield structure formed by combining the two, and finally the integral structure formed by the silver-plated copper shield and the inner core 2 is arranged in the outer protective sleeve 3 (also made of PFA material) in a penetrating manner, so that a complete shield lead for the sensor is formed.
The present invention is not limited to the above embodiments, and those skilled in the art can modify the present invention as needed after reading the present specification without any inventive contribution, but all the modifications are protected by the patent laws within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a shielded wire for sensor, includes wire body (1), its characterized in that: the lead body (1) comprises a stranded wire (22) and an inner protective sleeve (21) sleeved outside the stranded wire (22), a grounded silver-plated copper shielding sleeve (4) is sleeved outside the inner protective sleeve (21), and an insulated outer protective sleeve (3) is sleeved outside the silver-plated copper shielding sleeve (4); stranded conductor (22) and interior protective sheath (21) constitute inner core (2) jointly, just inner core (2) are arranged the setting side by side, silvering copper shielding cover (4) and outer protective sheath (3) all set up to flat shell structure.
2. The shielded wire for a sensor according to claim 1, wherein: the outer protective sleeve (3) is of a flat sleeve-shaped structure with a triangular cross section, and the outer protective sleeve (3) is completely attached to the silver-plated copper shielding sleeve (4).
3. The shielded wire for a sensor according to claim 2, wherein: three apex angles of the outer protective sleeve (3) are all cut to form a plane structure (31).
4. The shielded wire for a sensor according to claim 1, wherein: the inner core (2) comprises a signal inner core (2) and a shielding grounding inner core (2), the signal inner core (2) is connected with the sensor, and the shielding grounding inner core (2) is grounded and connected with the silver-plated copper shielding sleeve (4).
5. The shielded wire for a sensor according to claim 1, wherein: the silver-plated copper shielding sleeve (4) is of a silver-plated copper braided net structure.
6. The shielded wire for a sensor according to claim 1, wherein: the silver-plated copper shielding sleeve (4) is of a silver-plated copper foil structure.
7. The shielded wire for a sensor according to claim 1, wherein: the silver-plated copper shielding sleeve (4) comprises a silver-plated copper shielding net (41) and a silver-plated copper shielding foil (42) which are sleeved and matched for use, the silver-plated copper shielding foil (42) is sleeved outside the silver-plated copper shielding net (41), and the silver-plated copper shielding foil (42) and the outer protective sleeve (3) are completely attached.
8. The shielded wire for a sensor according to claim 7, wherein: an insulating separation layer (5) is formed between the silver-plated copper shielding net (41) and the silver-plated copper shielding foil (42).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921159267.XU CN209822323U (en) | 2019-07-20 | 2019-07-20 | Shielding wire for sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921159267.XU CN209822323U (en) | 2019-07-20 | 2019-07-20 | Shielding wire for sensor |
Publications (1)
Publication Number | Publication Date |
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CN209822323U true CN209822323U (en) | 2019-12-20 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201921159267.XU Active CN209822323U (en) | 2019-07-20 | 2019-07-20 | Shielding wire for sensor |
Country Status (1)
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CN (1) | CN209822323U (en) |
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2019
- 2019-07-20 CN CN201921159267.XU patent/CN209822323U/en active Active
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