CN217427189U

CN217427189U - Display cable

Info

Publication number: CN217427189U
Application number: CN202221043079.2U
Authority: CN
Inventors: 秦丰
Original assignee: Suzhou Yitewei Electronic Technology Co ltd
Current assignee: Suzhou Yitewei Electronic Technology Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-09-13
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses a display cable conductor, including multiple shielded wire and rather than end connection's connector, multiple shielded wire is formed by many bunches of conductors transposition jointly, arbitrary the outside cladding of bunched conductors has the shielding braid, multiple shielded wire by interior and outer cladding in proper order has around covering, weaving layer and inoxidizing coating, the cladding has the metal cover body on the connector, has effectively improved the shielding nature and the interference immunity of cable conductor, the stable transmission of assurance signal.

Description

Display cable

Technical Field

The utility model relates to a cable field especially relates to a display cable conductor.

Background

At present, high-end medical equipment is highly emphasized in development, the medical equipment industry in China is in the gold period of high-speed development, the medical equipment industry in China starts relatively late, certain gap is still formed in comparison with international medical equipment, and particularly, the high-end medical equipment is weak, so that the high-end medical equipment is more required to be controlled independently.

The high-end medical equipment has the characteristics of high technical content, high risk level and high classification level, wherein the technical content mainly relates to technologies in various aspects such as precision machining, key components, new materials and the like, currently, the difference of the research and development level of China is mainly reflected in the product originality, the product technical details and the product core materials and key components, the technical detail difference still exists compared with imported products, the shape and the spirit of many product details can only be similar, and the core technology or components cannot be obtained.

The China medical equipment Association data shows that the ultrasonic and CT localization rate is less than 30%, the nuclear magnetic localization rate is less than 15%, and the DSA and digestive endoscopy country yield is only about 10%, so that the scientific and technological investment in the health field is continuously increased, the high-end medical equipment short plates in China are quickened to be supplemented, the domestic medical equipment is favorable for accelerating the enterprises to accelerate the breakthrough of the core technology, and the import substitution of the high-end medical equipment is quickened.

The silicon rubber cable is generally used in the use process of medical equipment and is used for connecting medical equipment instruments and the like, the existing silicon rubber cable for connecting the medical equipment generally has poor shielding performance and influences the use, in addition, a large number of cables are sometimes connected when the existing medical equipment is connected and used, and the cables are easily wound and tangled together in the moving process of the medical equipment to cause the abnormal work of the medical equipment, so that the treatment work of patients is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a display cable which effectively improves the shielding property and the anti-interference property of the cable and ensures the stable transmission of signals.

In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides a display cable conductor, includes multiple shielded wire and rather than end connection's connector, multiple shielded wire is formed by many bunches transposition jointly, arbitrary the outer surface cladding of bunch has the shielding mesh grid, multiple shielded wire by interior and outer cladding in proper order has around covering, weaving layer and inoxidizing coating, the cladding has the metal covering body on the connector.

Furthermore, a certain distance is reserved between the multiple shielding wires and the wrapping layer to form an accommodating space, and fillers are arranged in the accommodating space.

Further, the filler is made of cotton threads or paper, and the filler is twisted with the plurality of wire bundles. When the filler selects paper, the cable can be effectively supported, saturated and positioned, the phenomena that a cable core in the cable is unstable, broken and damaged and the like are avoided, the roundness of the cable is ensured when cotton is adopted, the flexibility of the cable core can be increased, partial mechanical stress applied to the cable is born, and the damage to a data transmission unit and a power transmission unit when the cable is bent and twisted is reduced.

Further, the wire harness is formed by twisting a plurality of inner core wires.

Further, the wrapping layer is made of non-woven fabrics.

Further, the braided layer is composed of at least two layers of shielding braided nets.

Furthermore, the protective layer is a sheath and made of PVC material.

Further, the metal covering body adopts a copper foil adhesive tape. The metal covering body adopts the copper foil adhesive tape, mainly utilizes the electromagnetic shielding effect of the copper foil adhesive tape, realizes the shielding integrality of the whole signal transmission path, ensures that the anti-interference performance of the cable conductor is strong, and utilizes the metal covering body which has strong plasticity, viscosity and light weight to wrap the gap, almost enables the cable and the connector to be completely attached, and can solve the problem that the traditional cable conductor additionally increases the weight and the installation space for improving the shielding performance.

Compared with the prior art, the utility model, its beneficial effect lies in:

1. the shielding braided net is used for coating the conductor bundle and the multiple shielding cables, so that the shielding property of the display cable is greatly improved;

2. after the connector shell is subjected to first injection molding, a layer of copper foil is wrapped for secondary injection molding, and the shielding property and the anti-interference property of the cable can be effectively improved by utilizing the electromagnetic shielding property of the copper foil;

3. the tail end of the cable is integrally designed with the injection molding piece, so that the cable is not easy to pull and break in the using process, and the connection reliability of the cable is ensured.

Drawings

Fig. 1 is a sectional view of a multiple shielded wire in the present embodiment;

FIG. 2 is a schematic diagram of the cable structure of the display device of the present embodiment;

fig. 3 is a schematic structural diagram of the connector in the present embodiment.

In the figure:

1-multiple shielded wires; 2-a connector; 3-a wire harness; 4-wrapping a covering; 5-weaving layer; 6-protective layer; 7-an inner core wire; 8-a filler; 9-metal covering.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Current medical equipment cable conductor, including three conductors, and cladding insulator and cladding quilt outside the insulator on each conductor respectively, the material of conductor is the triangle-shaped for tinned wire and three conductors and arranges, the insulator of cladding adopts the material to be for gathering perfluoroethylene allyl plastics (FEP), replace traditional PVC plastics through adopting to gather perfluoroethylene allyl plastics (FEP), thereby make this connecting wire have high temperature resistant, heat-resisting, acidproof, alkali-resisting, resistant oil and characteristics such as fire-retardant, make its life longer, and simultaneously, at the outer cladding quilt of insulator, the shielding effect of this cable conductor has further been increased.

However, in order to ensure the accuracy of data during the use of the medical device, the performance of the cable for transmitting data is required to be high, and therefore, the shielding property of the cable needs to be further improved.

The embodiment provides a display cable conductor, refer to fig. 1 and fig. 2, including multiple shielded wire 1 and connector 2 connected with its end, where the multiple shielded wire 1 is formed by twisting a plurality of conductor bundles 3 together, the conductor bundle 3 is formed by twisting a plurality of internal core wires 7, the internal core wires 7 twisted by each conductor bundle 3 in the embodiment are four, the external surface of any of the plurality of conductor bundles 3 can be coated with a shielding mesh grid as required, and the conductor bundle 3 coated with the shielding mesh grid in the embodiment is two.

In order to protect the inside of the cable and make the cable not easy to damage, the outer surface of the cable needs to be coated with a multilayer structure, and in the embodiment, the multiple shielding wire 1 is sequentially coated with a wrapping layer 4, a braiding layer 5 and a protective layer 6 from inside to outside.

In the use process of the cable, in order to enable the wire rod to be cylindrical and prevent the wire from loosening, the wire rod needs to be wrapped, in the embodiment, the wrapping layer 4 is made of non-woven fabric, the non-woven fabric has good corrosion resistance, can resist sulfur, is high in strength and good in heat deformation resistance, can resist temperature at 230 ℃ instantly without melting and deforming, meanwhile, the non-woven fabric also has good air permeability, is good in flexibility, and can prevent the cable core from loosening or deforming when being bent so as to ensure the roundness and tightness of the cable core.

Weaving layer 5 is a form of the light-duty protective layer of cable, and its main function is the protection insulation, does not receive the erosion and the destruction of external force of various light, heat, humidity, low temperature, acid-base gas, makes the cable operate smoothly under various environment, and in this embodiment, weaving layer 5 comprises two-layer shielding braided net at least, and the shielding braided net adopts the copper wire material, and the weaving layer of copper wire material mainly has following advantage: 1. shielding function for preventing electromagnetic interference; 2. the shielding function of eliminating the surface potential of the power cable plays roles of binding a power line and eliminating induced electricity. 3. The shielding effect of safety protection, the copper wire is braided outside the insulation of the main core and is in good contact with the ground core or used as a ground wire, and the leakage condition can be reflected in time.

In order to make the cable meet the requirements of various service environments, a protective covering layer, namely a protective layer 6, is applied outside the cable insulating layer, and mainly plays a role in protecting the cable insulating layer from mechanical damage and damages of various environmental factors, such as water, sunlight, organisms, fire and the like, in the laying and running processes so as to keep the long-term stable electrical performance of the cable, so that the quality of the cable protective layer is directly related to the service life of the cable; in this embodiment, the protective layer 6 is a sheath and made of PVC, and has high elasticity, high flexibility and aging resistance.

Multiple shielded wire 1 and have a determining deviation and form the accommodation space around between covering 4, be provided with filler 8 in the accommodation space, filler 8 adopts cotton or paper, and filler 8 and the transposition of many wire bundles 3, filler 8 can effectually support the cable when selecting the paper, make its saturation and location, the unstable phenomenon such as rupture damage that produces of cable core in the cable takes place, and had both guaranteed the circularity of cable when adopting cotton, also can increase the pliability of cable core, bear the partial mechanical stress who applies to the cable, reduce the harm to data transmission unit and power transmission unit when the cable is crooked and twist reverse.

1 both ends of multiple shielded wire are connected with two connectors 2 respectively, and 1 afterbody of multiple shielded wire and injection molding integrated design, for the design of components of a whole that can function independently, the stability of being connected between the line body and the connector can be guaranteed in the integration, because the cable for medical treatment need frequently remove in the use, if connect the damage that the shakiness leads to cable itself easily or dropping of other medical products, the cable of this embodiment is difficult for dragging the fracture in the use, can effectively ensure the reliability that the cable is connected, and signal transmission stability.

Referring to fig. 3, the connector used in the present embodiment is a DB25 connector, the DB25 connector is an analog 25-pin plug of the D-Sub connector series, and the DB25 connector is mainly used for serial connection of parallel ports and allows asynchronous transmission of data provided by the standard RS-232, so that the internal core wires 7 in the present embodiment have 25, and the internal core wires 7 used in different wire bundles 3 are different in color for distinction.

The connectors and cables, which are the transmission path of the signals, should form a complete closed faraday cage to ensure continuity of electromagnetic shielding, thereby enhancing shielding effectiveness, in order to solve the problem that the electromagnetic compatibility of the whole system is affected if there is a leak in the signal transmission between the output and the input, the connector 2 housing is, after the first injection moulding, the outer surface of the cable is coated with a layer of metal covering body 9, the metal covering body 9 adopted in the embodiment is a copper foil adhesive tape, the shielding integrity of the whole signal transmission channel is realized by mainly utilizing the electromagnetic shielding effect of the copper foil adhesive tape, the strong anti-interference performance of the cable is ensured, meanwhile, the metal covering body 9 with strong plasticity, viscosity and light weight is used for wrapping the gap, so that the cable and the connector can be almost completely attached, the problem that the weight and the installation space of a traditional cable are additionally increased for improving the shielding performance can be solved.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the above embodiments is to let the person skilled in the art understand the contents of the present invention and implement the present invention, which can not limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a display cable conductor, its characterized in that includes multiple shielded wire (1) and rather than end connection's connector (2), multiple shielded wire (1) is stranded jointly by many bunches of conductors (3) and forms, arbitrary bunch of conductors (3) surface cladding has the shielding mesh grid, multiple shielded wire (1) from interior to exterior has in proper order the cladding around covering (4), weaving layer (5) and inoxidizing coating (6), the cladding has metal covering body (9) on connector (2).

2. A display cord cable according to claim 1, wherein: a certain distance is reserved between the multiple shielding wires (1) and the wrapping layer (4) to form an accommodating space, and fillers (8) are arranged in the accommodating space.

3. A display cord cable according to claim 2, characterised in that: the filler (8) is made of cotton threads or paper, and the filler (8) is twisted with the plurality of conductor bundles (3).

4. A display cord cable according to claim 1, wherein: the wire harness (3) is formed by twisting a plurality of internal core wires (7).

5. A display cord cable according to claim 1, wherein: the wrapping layer (4) is made of non-woven fabrics.

6. A display cord cable according to claim 1, wherein: the braided layer (5) is at least composed of two layers of shielding braided nets.

7. A display cord cable according to claim 1, wherein: the protective layer (6) is a sheath and made of PVC materials.

8. A display cord cable according to claim 1, wherein: the metal covering body (9) adopts a copper foil adhesive tape.