CN209418935U - A kind of fuel consumption sensor cable - Google Patents

Abstract

The utility model relates to field of cables, a kind of fuel consumption sensor cable, including wire stylet, and it is sleeved at least one hose of wire stylet outer layer and the cable jacket main body of 1 hard tube composition, the hose includes neck bush and external bushing, the hose end has attaching nut, the hard tube end has external screw thread, the hose is connected by nut with the external screw thread of hard tube end with hard tube, the nut inner thread and external screw thread junction, and the gap location between nut and external bushing forms the silicon rubber filling area for being used for filled silicon rubber, the cable jacket has covering film, cover one section of winding glass cloth in film, the glass cloth, which blocks at the butt seam of the Lining Hose set and hard tube and forms connector, blocks area.The cable has good mechanical performance, electromagnetic shielding performance and waterproof and oilproof performance.

Description

A kind of fuel consumption sensor cable

Technical field

The utility model relates to field of cables, especially a kind of cable for the transmitting fuel consumption information that aircraft uses.

Background technique

Sensor cable is power and signal cable is to apply in motor control.In the prior art, the sensing of aircraft Device cable transmits fuel consumption information for the electrical connection between engine electrical system and aircraft, transmitting radio frequency signal.

Sensor cable tubing in the prior art is easy to appear mechanical damage, and no external shield, penetrating the number of believing one side only can not be reliable Transmission is not able to satisfy aircraft and uses standard.

Utility model content

To solve the above problems, the utility model provides a kind of fuel consumption sensor cable, which has good Mechanical performance, electromagnetic shielding performance and waterproof and oilproof performance.

In order to achieve the above purposes, the technical solution adopted by the utility model is:

A kind of fuel consumption sensor cable, including wire stylet and be sleeved on wire stylet outer layer at least one hose and The cable jacket main body of 1 hard tube composition, the hose include neck bush and external bushing, and the hose end has connection spiral shell There is external screw thread, the hose and hard tube to be connected by nut with the external screw thread of hard tube end for mother, the hard tube end, the spiral shell Gap location between female internal screw thread and external screw thread junction and nut and external bushing forms the silicon rubber for being used for filled silicon rubber Fill area, the cable jacket have covering film, cover one section of winding glass cloth in film, which blocks the hose At the butt seam of neck bush and hard tube and form connector closure area.

Preferably, the covering film is the polytetrafluoroethylene film according to 2/3rds overlap wrappings.

Preferably, the polytetrafluoroethylene film with a thickness of 0.04mm-0.05mm, width 25mm-30mm.

Preferably, alkali-free glass yarn rope has been tied up in the end of the covering film.

Preferably, the alkali-free glass yarn rope place of tying up has W30-4 insulating lacquer layer.

Preferably, fuel consumption sensor cable both ends difference cable socket and coaxial cable plug, wherein The jack wires that the cable socket has socket body and is placed in socket body, the sky between socket body and jack wires Between for rubber encapsulating area for filling silicon rubber.

Preferably, the coaxial cable plug has by upper coaxial cable plug, rear coaxial cable plug and preceding coaxial Cable plug composition.

Preferably, the upper coaxial cable plug, rear coaxial cable plug are connected with preceding coaxial cable plug tail portion The outside of pipe is set with anti-wave sleeve.

Preferably, the upper coaxial cable plug, rear coaxial cable plug are connected with preceding coaxial cable plug tail portion The branch location of pipe is equipped with pressing plate, and the pressing plate is for fastening cable connector crotch.

Preferably, the hard tube is aluminium alloy winding pipe assembly, the hose includes stainless steel wire braided sleeving component, The hard tube, hose, anti-wave sleeve form anti-electromagnetism external shielding layer, which is grounded by external connector shell.

Using the beneficial effects of the utility model are:

This cable forms silicon rubber filling area by the junction of hard tube and hose, shape at the butt-welded side seam of hose and hard tube Area is blocked at connector, while wire stylet is bundled by covering film, so that braided sleeving component is connect with aluminium alloy winding pipe assembly Silicon rubber is smeared at place, plays the effect of sealing, waterproof and oilproof.

By aluminium alloy winding pipe assembly, stainless steel wire braided sleeving component, anti-wave sleeve, connector shell structure outside product harness At external shield system, the shielded layer of internal concentric conductor is connected with external shield and passes through connector shell reliable ground, inside and outside double The design method of layer shielding can guarantee the electromagnetism interference effect of product.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model fuel consumption sensor cable.

Fig. 2 is the portion A enlarged cross-sectional view in Fig. 1.

Fig. 3 is the portion B enlarged cross-sectional view in Fig. 1.

Appended drawing reference includes:

100- cable socket, 110- jack wires, 120- rubber encapsulating area, 210- upper coaxial cable plug are same after 220- Shaft cable plug, coaxial cable plug before 230-, 300- pressing plate, 400- anti-wave sleeve, 500- hard tube, 600- hose, 610- liner Set, 620- cover film, and 630- connector blocks area, 640- silicon rubber filling area, and 650- covers film end.

Specific embodiment

To make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment, The utility model is further described.It should be understood that these descriptions are merely illustrative, rather than it is practical new to limit this The range of type.

As shown in Figure 1-Figure 3, the present embodiment provides a kind of fuel consumption sensor cables, including wire stylet and suit In the cable jacket main body that at least one hose 600 and 1 hard tube of wire stylet outer layer forms, hose 600 includes neck bush 610 And external bushing, 600 end of hose have attaching nut, 500 end of hard tube has external screw thread, and hose 600 and hard tube 500 pass through spiral shell Mother connected with the external screw thread of 500 end of hard tube, between nut inner thread and external screw thread junction and nut and external bushing between The silicon rubber filling area 640 for being used for filled silicon rubber is formed at gap, cable jacket has covering film 620, covers in film 620 One section of winding glass cloth, the glass cloth block at the butt seam of 600 neck bush 610 of hose and hard tube 500 and form connector envelope Stifled area 630.

Covering film 620 is the polytetrafluoroethylene film according to 2/3rds overlap wrappings.

Polytetrafluoroethylene film with a thickness of 0.04mm-0.05mm, width 25mm-30mm.

Covering the end of film 620, i.e. alkali-free glass yarn rope has been tied up in covering film end 650,.

The alkali-free glass yarn rope place of tying up has W30-4 insulating lacquer layer.

Cable socket 100 and coaxial cable plug are distinguished in fuel consumption sensor cable both ends, and wherein cable socket 100 has The jack wires 110 for having socket body and being placed in socket body, space between socket body and jack wires 110 be for The rubber encapsulating area 120 of filling silicon rubber.

Coaxial cable plug has by upper coaxial cable plug 210, rear coaxial cable plug 220 and preceding coaxial cable plug 230 compositions.

Outside 230 tail portion connecting tube of upper coaxial cable plug 210, rear coaxial cable plug 220 and preceding coaxial cable plug Portion is set with anti-wave sleeve 400.

Point of 230 tail portion connecting tube of upper coaxial cable plug 210, rear coaxial cable plug 220 and preceding coaxial cable plug Branch position is equipped with pressing plate 300, and the pressing plate 300 is for fastening cable connector crotch.

Hard tube 500 is aluminium alloy winding pipe assembly, and hose 600 includes stainless steel wire braided sleeving component, hard tube 500, hose 600, anti-wave sleeve 400 forms anti-electromagnetism external shielding layer, which is grounded by external connector shell.

In the present embodiment, this cable selects concentric conductor one end to be connected with 2PX series connector, connects aircraft control system System；The other end is connected with CP-50 series coaxial connector, connects fuel consumption sensor, and concentric conductor and coaxial connector are special Property impedance is 50 Ω.

Outer after conducting wire boundling to wind polytetrafluoroethylene film, end winds 69# glass cloth, forms connector and blocks area 630；Line The protection knot combined using the stainless steel wire braided sleeving in aluminium alloy hard tube 500, hose 600 with anti-wave sleeve 400 outside beam Structure protects inner lead.Connector, aluminium alloy winding pipe assembly, stainless steel wire braided sleeving inter-module are all made of screw thread It connects, CGSZ33-A1 silicon rubber is smeared at thread binding, and play insurance more next, guarantee to be threadedly coupled fastening, and in annular knurl CGSZ33-A1 silicon rubber is filled at round nut gap, plays the effect of sealing, waterproof and oilproof.

After anti-wave sleeve 400 is clamped by pressing plate 300, it is connected with aluminium alloy bend pipe, guarantees that external shield is continuous.Aluminium-alloy pipe three Dimension forming technique meets the laying of cable on the engine, while interior external shield is connected and reliable ground, has cable good Anti-electromagnetic interference capability.

Wire stylet is connected by welding with connector contact, and welding manner is Sn-coupled SSBR, and pad uses FJ heat-shrink tube It protects, is potted processing using two-component silicone rubber in tail portion of connector space, reduce pad stress, increase leakproofness. - 55 DEG C of cable long-term operating temperature~130 DEG C, 180 DEG C short-term (be no more than 10min/h), insulation resistance under standard atmosphere condition Greater than 500M Ω, for dielectric strength in 500V, 50Hz, 1min, insulation is less than 2mA without breakdown or flashover, leakage current.

This cable has the advantage that

(1) hard tube 500 is that aluminium-alloy pipe is three-dimensionally shaped, meets laying requirement when installing on the engine, forming process Middle use fills out filling technique, it is ensured that aluminium-alloy pipe does not occur the mechanical damages such as deformation, crackle.

(2) by the stainless steel wire braided sleeving component in aluminium alloy hard tube 500, hose 600, anti-wave sleeve outside product harness 400, external connector shell constitutes external shield system, and the shielded layer of internal concentric conductor, which is connected and is passed through with external shield, to be connect The design method of device shell reliable ground, inside and outside double layer screen can guarantee the electromagnetism interference effect of product.

(3) connector is approved product, and quality is stablized, reliable performance；Connector contact and conducting wire pass through Sn-coupled SSBR Connect connected, welding deformation is small, and appearance is good, terminates solid and reliable；Cable meets 130 DEG C long-term, short-term 180 DEG C of requirements, Cable integrally has good environmental resistance and mechanical performance.

(4) coaxial connector and concentric conductor characteristic impedance are 50 Ω, guarantee radiofrequency signal reliable transmission.

(5) silicon rubber is smeared in the braided sleeving component in hose 600 and 500 junction of aluminium alloy hard tube, plays sealing, prevents The grease proofing effect of water.

The above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality It, in specific embodiments and applications can be with many changes may be made, as long as these variations are without departing from this with novel thought The design of utility model, belongs to the protection scope of the utility model.

Claims (10)

1. a kind of fuel consumption sensor cable, it is characterised in that: including wire stylet and be sleeved on wire stylet outer layer at least The cable jacket main body of 1 hose and 1 hard tube composition, the hose include neck bush and external bushing, the hose end tool There is attaching nut, there is external screw thread, the hose and hard tube to connect by nut and the external screw thread of hard tube end for the hard tube end It connects, the gap location between the nut inner thread and external screw thread junction and nut and external bushing is formed for filling silicon rubber The silicon rubber filling area of glue, the cable jacket have covering film, cover one section of winding glass cloth in film, the glass fabric width It blocks up at the butt seam of the Lining Hose set and hard tube and forms connector and block area.

2. fuel consumption sensor cable according to claim 1, it is characterised in that: the covering film is according to three points Two overlap wrappings polytetrafluoroethylene film.

3. fuel consumption sensor cable according to claim 2, it is characterised in that: the thickness of the polytetrafluoroethylene film Degree is 0.04mm-0.05mm, width 25mm-30mm.

4. fuel consumption sensor cable according to claim 2, it is characterised in that: tie up the end of the covering film There is alkali-free glass yarn rope.

5. fuel consumption sensor cable according to claim 4, it is characterised in that: the alkali-free glass yarn rope ties up place With W30-4 insulating lacquer layer.

6. fuel consumption sensor cable according to claim 1, it is characterised in that: the fuel consumption sensor cable Cable socket and coaxial cable plug are distinguished in both ends, wherein the cable socket has socket body and is placed in socket body Jack wires, the space between socket body and jack wires are the rubber encapsulating area for filling silicon rubber.

7. fuel consumption sensor cable according to claim 6, it is characterised in that: the coaxial cable plug has by upper Coaxial cable plug, rear coaxial cable plug and preceding coaxial cable plug composition.

8. fuel consumption sensor cable according to claim 7, it is characterised in that: the upper coaxial cable plug, after The outside of coaxial cable plug and preceding coaxial cable plug tail portion connecting tube is set with anti-wave sleeve.

9. fuel consumption sensor cable according to claim 8, it is characterised in that: the upper coaxial cable plug, after The branch location of coaxial cable plug and preceding coaxial cable plug tail portion connecting tube is equipped with pressing plate, which connects for fastening cable Head crotch.

10. fuel consumption sensor cable according to claim 8, it is characterised in that: the hard tube is aluminium alloy bend pipe Component, the hose include stainless steel wire braided sleeving component, and the hard tube, hose, anti-wave sleeve form anti-electromagnetism external shielding layer, The external shielding layer is grounded by external connector shell.