CN203102887U - Multi-branch control wire harness for high-power locomotive - Google Patents
Multi-branch control wire harness for high-power locomotive Download PDFInfo
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- CN203102887U CN203102887U CN 201220704540 CN201220704540U CN203102887U CN 203102887 U CN203102887 U CN 203102887U CN 201220704540 CN201220704540 CN 201220704540 CN 201220704540 U CN201220704540 U CN 201220704540U CN 203102887 U CN203102887 U CN 203102887U
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Abstract
The utility model relates to a multi-branch control wire harness for a high-power locomotive. The multi-branch control wire harness provided by the utility model for the high-power locomotive comprises a main line with a length of 13571mm, wherein the main line is composed of 30 branch lines. The wire harness prepared through the preparation method for the multi-branch control wire harness for the high-power locomotive can meet all main technical indicators which comprise an electrical performance indicator, a thermal performance indicator, a low-temperature resistance indicator, an environment resistance indicator, a saline solution test indicator and a combustion test indicator.
Description
Technical field
The utility model relates to the electric wire field, particularly relates to a kind of high-power locomotive and controls wire harness with multiple-limb.
Background technology
Increasing power vehicle adopts four-cycle diesel as power on the market recently, its operation of four-stroke engine comprises four strokes: 1) intake stroke: INO, piston moves downward, the mixture of fuel oil and air enters cylinder, when piston moves to when minimum, intake valve cuts out; 2) compression stroke: intake valve and vent valve are all being closed, and piston moves upward, and the mixed gas of fuel oil and air is compressed, and when piston moved to top, compression stroke finished, and mechanical energy is converted into interior energy; 3) expansion stroke: spark ignition mixes gas, and the gas of burning sharply expands, and promotes descent of piston, can be converted into mechanical energy with interior; 4) exhaust stroke: vent valve is opened, and piston moves upward, waste gas after burning is discharged, and when piston moves to top, exhaust valve closure.
Novel four-cycle diesel has bigger traction power than two stroke diesel engine before this.The modularized design of this type diesel engine using, the EFI cylinder works alone, and must adopt control line to connect unified work, and modular transducer also needs control line to be connected to the control system processing.But the length of common locomotive (automobile) bunch product is generally at several meters to tens meters long, and novel four-cycle diesel since the locomotive head length overall about 20 meters, therefore, the bunch product of novel four-cycle diesel always reaches more than 20 meter, increases the production difficulty.Simultaneously, this bunch product complex circuit, EFI control wire harness has 12 or 16 branches not wait, and corresponding multiple-limb joint must be arranged; And the total joint of transducer control wire harness reaches 20, therefore, correspondingly also needs 20 branch's heads, and branch's core that each branch joint is connected reaches more than 60 core, has more doubly much than logical locomotive (automobile) wire harness once, and the production difficulty is big.
For cooperating the market demand, be necessary to develop a kind of novel high-power locomotive and control bunch product with multiple-limb, use for novel four-cycle diesel.
The utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of high-power locomotive to control wire harness with multiple-limb, is used to solve the problems of the prior art.This type of wire harness can be described as the core component of four-cycle diesel, can liken that to become be " arteries " of diesel engine.
Reach other relevant purposes for achieving the above object, the utility model first aspect provides a kind of high-power locomotive to control wire harness with multiple-limb, it is characterized in that, comprise that length is the main line of 13571mm, described main line is made up of 30 branch lines, the code name of each branch line heart yearn is: WGC1S, WGC2S, WGC3S, WGC4S, WGC5S, WGC6S, WGC7S, WGC8S, WGC9S, WGC10S, WGC11S, WGC12S, WGC13S, WGC23S, WGC24S, WGC1R, WGC2R, WGC3R, WGC5R, WGC6R, WGC7R, WGC9R, WGC10R, WGC11R, WGC13R, WGC14R, WGC15R, WGC17R, WGC18R and WGC19R, the initiating terminal of each heart yearn is identical, from initiating terminal, WGC13R wherein, WGC14R, WGC15R, WGC5S, WGC17R, WGC18R, WGC19R, WGC12S, WGC5R, WGC6R, WGC7R, WGC9R, the length of WGC10R and WGC11R heart yearn is 9296mm, the length of WGC10S and WGC8S heart yearn is 12048mm, the length of WGC3S heart yearn is 12581mm, the length of WGC7S heart yearn is 12835mm, WGC13S, WGC1R, the length of WGC2R and WGC3R heart yearn is 13140mm, WGC1S, the length of WGC2S and WGC4S heart yearn is 13343mm, WGC9S, WGC11S, WGC24S, the length of WGC23S and WGC6S heart yearn is 13571mm;
Concrete, the initiating terminal of WGC1S, WGC2S, WGC3S, WGC4S, WGC5S, WGC6S, WGC7S, WGC8S, WGC9S, WGC10S, WGC11S, WGC12S, WGC13S, WGC23S and WGC24S heart yearn is that the 15 core connecting lines of 152mm are connected connector and link to each other with first by length, and it is continuous that the initiating terminal of WGC1R, WGC2R, WGC3R, WGC5R, WGC6R, WGC7R, WGC9R, WGC10R, WGC11R, WGC13R, WGC14R, WGC15R, WGC17R, WGC18R and WGC19R heart yearn is by length that the 15 core connecting lines of 152mm are connected connector with second;
Apart from main line initiating terminal 9296mm place, the 3rd connection connector is 3 core connecting line and the WGC13R of 1930mm by length, WGC14R links to each other with the WGC15R heart yearn, the 4th connection connector is 3 core connecting line and the WGC24S of 3409mm by length, WGC5S links to each other with the WGC23S heart yearn, the 5th connection connector is 3 core connecting line and the WGC17R of 3909mm by length, WGC18R links to each other with the WGC19R heart yearn, the 6th connection connector is that the 2 core connecting lines of 3330mm link to each other with the WGC24S heart yearn with WGC12S by length, the 7th connection connector is 3 core connecting line and the WGC5R of 354mm by length, WGC6R links to each other with the WGC7R heart yearn, and the 8th connection connector is 3 core connecting line and the WGC9R of 354mm by length, WGC10R links to each other with the WGC11R heart yearn;
Apart from main line initiating terminal 12048mm place, the 9th connection connector is that the 2 core connecting lines of 127mm link to each other with the WGC10S heart yearn with WGC24S by length, and the tenth connection connector is that the 3 core connecting lines of 304mm link to each other with the WGC8S heart yearn with WGC23S, WGC24S by length;
Apart from main line initiating terminal 12581mm place, the 11 connection connector is that the 3 core connecting lines of 381mm link to each other with the WGC3S heart yearn with WGC23S, WGC24S by length;
Apart from main line initiating terminal 12835mm place, the 12 connection connector is that the 3 core connecting lines of 406mm link to each other with the WGC7S heart yearn with WGC23S, WGC24S by length;
Apart from main line initiating terminal 13140mm place, the 13 connection connector is that the 2 core connecting lines of 127mm link to each other with the WGC13S heart yearn with WGC24S by length, and the 14 connection connector is that the 3 core connecting lines of 152mm link to each other with the WGC3R heart yearn with WGC1R, WGC2R by length;
Apart from main line initiating terminal 13343mm place, the 15 connection connector is that the 3 core connecting lines of 152mm link to each other with the WGC1S heart yearn with WGC23S, WGC24S by length, the 16 connection connector is that the 3 core connecting lines of 355mm link to each other with the WGC4S heart yearn with WGC23S, WGC24S by length, and the 17 connection connector is that the 3 core connecting lines of 508mm link to each other with the WGC2S heart yearn with WGC23S, WGC24S by length;
Apart from main line initiating terminal 13571mm place, the 18 connection connector is that the 3 core connecting lines of 356mm link to each other with the WGC9S heart yearn with WGC23S, WGC24S by length, the 19 connection connector is that the 2 core connecting lines of 203mm link to each other with the WGC11S heart yearn with WGC24S by length, and the 20 connection connector is that the 3 core connecting lines of 889mm link to each other with the WGC6S heart yearn with WGC23S, WGC24S by length.
Preferably, described the 3rd connection connector, the 4th connection connector, the 5th connection connector are connected connector with the 6th connecting line coats jointly from being connected the 330mm that lights with main line, forms 11 heart yearns; Described the 4th connection connector, the 5th connection connector are connected the connecting line of connector from coating with the 330mm-2809mm place of main line tie point meter is common with the 6th, form 8 heart yearns.
Preferably, described the 7th connection connector is connected connector with the 8th connecting line coats jointly from being connected the 254mm that lights with main line, forms 6 heart yearns.
Transducer wire harness provided by the utility model, from first or second plug receptacle to the, 20 plug receptacles, nearly 15 meters of total threads, each branch line thread add up to distance above 20 meters.
The utility model second aspect provides another kind of high-power locomotive to control wire harness with multiple-limb, by of the preparation method preparation of described high-power locomotive with multiple-limb control wire harness, it is characterized in that, comprise that length is the main line of 11938mm, described main line is made up of 14 branch lines, the code name of each branch line heart yearn is: A1, A2, A3, A4, A5, A6, AG, B1, B2, B3, B4, B5, B6 and BG, the initiating terminal of each heart yearn is identical, from initiating terminal, A1 wherein, A2, A3, A4, A5, A6, the length of AG heart yearn is 9144mm, B1, B2, B3, B4, B5, the length of B6 and BG heart yearn is 11938mm;
Concrete, the initiating terminal of A1, A2, A3, A4, A5, A6 and AG heart yearn by length be 152mm 7 core connecting lines be connected connector A and link to each other, the initiating terminal of B1, B2, B3, B4, B5, B6 and BG heart yearn is that the 7 core connecting lines of 355mm are with to be connected connector B continuous by length;
Apart from main line initiating terminal 9144mm place, connection connector A1 is that the 2 core connecting lines of 1968mm link to each other with the AG heart yearn with A1 by length, connection connector A2 is that the 2 core connecting lines of 2412mm link to each other with the AG heart yearn with A2 by length, connection connector A3 is that the 2 core connecting lines of 2856mm link to each other with the AG heart yearn with A3 by length, connection connector A4 is that the 2 core connecting lines of 3300mm link to each other with the AG heart yearn with A4 by length, connection connector A5 is that the 2 core connecting lines of 3744mm link to each other with the AG heart yearn with A5 by length, and connection connector A6 is that the 2 core connecting lines of 4696mm link to each other with the AG heart yearn with A6 by length;
Wherein, the connecting line of connection connector A1, A2, A3, A4 and A5 is provided with the free end that length is 1333mm from the connector that is connected separately, the connecting line that connects connector A6 is provided with the free end that length is 1777mm from connecting connector, and the connecting line that connects connector A1, A2, A3, A4, A5 and A6 is equipped with fixedly connector from the connector 825mm place that is connected separately; Each connecting line all coats processing except that free end, form the split conductor structure;
Apart from main line initiating terminal 11938mm place, connection connector B1 is that the 2 core connecting lines of 2095mm link to each other with the BG heart yearn with B1 by length, connection connector B2 is that the 2 core connecting lines of 2539mm link to each other with the BG heart yearn with B2 by length, connection connector B3 is that the 2 core connecting lines of 2983mm link to each other with the BG heart yearn with B3 by length, connection connector B4 is that the 2 core connecting lines of 3427mm link to each other with the BG heart yearn with B4 by length, connection connector B5 is that the 2 core connecting lines of 3871mm link to each other with the BG heart yearn with B5 by length, and connection connector B6 is that the 2 core connecting lines of 4823mm link to each other with the BG heart yearn with B6 by length;
Wherein, the connecting line of connection connector B1, B2, B3, B4 and B5 is provided with the free end that length is 1460mm from the connector that is connected separately, the connecting line that connects connector B6 is provided with the free end that length is 1904mm from connecting connector, and the connecting line that connects connector B1, B2, B3, B4, B5 and B6 is equipped with fixedly connector from the connector 952mm place that is connected separately; Each connecting line all coats processing except that free end, form the split conductor structure;
There is no special implication for the used code name of the name of each heart yearn and connector in the utility model, only is the label to heart yearn and connector, so that distinguish identification.When each connector was connected with core, the conductor length that strips out was approximately 7-10mm.
The utility model third aspect provides the preparation method of described high-power locomotive with multiple-limb control wire harness, comprises the steps:
1) insulated wire cores, braided wires are extruded;
2) insulated wire cores of step 1 gained is carried out irradiation technique;
3) after being cut, the insulated wire cores of step 2 gained carries out branch's welding;
4), and use the braided wires of step 1 gained to carry out outer braid with step 3 gained insulated wire cores bunchy:
5) at the terminal mounting terminal and the connector of each core.
Preferably, in the described step 1, insulated wire cores adopts tinned copper wire.Described tinned copper wire has high conduction performance, and has certain flexibility.
Preferably, in the described step 1, the material of the insulating barrier of insulated wire cores is selected from crosslinked Kynoar or Kynoar.
Preferably, in the described step 1, the insulated wire cores 16AWG electric wire of gained or 18AWG electric wire.
High-power locomotive provided by the utility model is controlled wire harness to insulated wire cores performance requirement height with multiple-limb.Rated temperature range when requiring cable to use under suitable duty cycle and environment is-50 ℃ to+125 ℃, and the shortest expected service life is 20 years.Insulating barrier comprises thermosets, fire retardant, anti-oil and grease compound, can prevent in addition under moisture, anti-caustic alkali cleaning solution, high ambient condition, the electrical overload conditions wearing and tearing, pierce through, compress and extruding and a spot ofly be fuming and produce the sour gas generation.Therefore, the PVDF(Kynoar is selected in inventor's design for use) material, this material is based on the homopolymers or the copolymer of the partially crystallizable melt-processable of vinylidene fluoride, has multiple only rerum natura energy concurrently, can be used for cable processing.PVDF possesses excellent fire resistance and low smokiness, has outstanding mechanical performance, pliability, thermal stability and low-shrinkage concurrently.Can be low to moderate-55 ℃, high in 125～150 ℃ scope, using continuously, possessing favorable chemical resistance simultaneously, through after crosslinked, serviceability temperature even can be up to 200 ℃.
Preferably, in the described step 1, the braided wires of gained is extruded PVDF for the nylon yarn surface and is made, and nylon yarn is as draught line.
Preferably, the nominal thickness extruded of braided wires is 0.2mm.
Because the braided wires external diameter of gained is little, has elasticity during traction, the difficult control of external diameter when extruding.Therefore, we are by repeatedly groping, and control three main points and solve: 1. the die drawn equilibrium ratio is moderate; 2. the sizing area of die sleeve can not be oversize, to reduce resistance; 3. extruded velocity wants fast relatively.
Preferably, in the described step 2, irradiation technique adopts high frequency high voltage electron accelerator and integrated interlock control bundle lower device to carry out irradiation, and irradiation dose is 9～15Mrad.
Irradiation dose is a very important parameters, if dosage is excessive, then the elongation at break rate of change is excessive, and the low temperature difficulty is passed through; If dosage is too small, heat resistance is undesirable.
Preferred, in the described step 2, the voltage of high frequency high voltage electron accelerator is 2.5MeV, and line is 20mA.
Preferably, behind described step 2 irradiation technique, also comprise lettering technology.Insulated wire cores behind the irradiation is according to the identification requirement lettering.
Preferably, in the described step 3, the concrete grammar of branch's welding manner is: earlier smooth branch's welding with soldering, the reusable heat conduit that contracts insulate.
The utility model for guaranteeing that circuit is unobstructed, has many places need carry out branch's butt joint in the middle of the inner branch of wire harness.The direct crimping mode of traditional insulated tube is found probably insecure by artificial repeated examinations.Therefore, the utility model adopts welding manner.
Preferably, in the described step 4, outer braid adopts autocratic braided wires braiding, and to the braiding of backbone direction, trunk branch count is more than 70% by branch in braiding, and the branch line count is more than 75%.
Preferably, in the described step 5, when mounting terminal and connector, should note following some: the conductor length that the wire stripping pliers of controlling well strip out, the conductor length that strips out is approximately the 7-10mm lead, to be used for conductor crimping position; During crimping, the position of line is put well and is fixing, prevents its slippage; Select the suitable crimp groove of crimping tool; After crimping is good, answers static line and spur terminal, see whether it comes off; Whether the terminal that crimping is good when installing with connector, should be heard the sound of chucking, and pulls at one and draw, check firm.
After production is finished, by each the circuit energising requirement of product structure schematic diagram, check whether each contact is firm, switch on universal instrument.
The utility model adopts the tinned copper wire of high conduction performance, in order to guarantee product when having superperformance, certain flexibility is arranged, and conductor adopts 19 cores or the regular stranded structure of 30 cores, also guarantees the rounding property of conductor.Insulation system should adopt thermosetting flame-retardant compound (PVDF Insulation Material), insulating barrier should closely be coated on stranded conductor or the dacron thread, the nominal thickness of insulated wire cores is 0.4mm, and the thickness of the thinnest point is not less than 0.3mm, and the nominal thickness that braided wires is extruded is 0.2mm.
By the wire harness of a kind of high-power locomotive provided by the utility model with preparation method's preparation of multiple-limb control wire harness, each the key technical indexes all can reach, and comprises electric property, hot property, lower temperature resistance, environment resistant, salt water test and burning test.
Description of drawings
Fig. 1 is shown as the structural representation of the utility model transducer wire harness.
Fig. 2 is shown as the structural representation of the utility model injection pump control wire harness.
Fig. 3 is shown as the utility model insulated wire cores structural representation.
Fig. 4 is shown as the utility model process chart.
Fig. 5 is shown as the utility model joint design schematic diagram.
The element numbers explanation
101 conductors
102 insulating barriers
103 cores
104 insulating barriers
105 connectors
1 first connects connector
2 second connect connector
3 the 3rd connect connector
4 the 4th connect connector
5 the 5th connect connector
6 the 6th connect connector
7 the 7th connect connector
8 the 8th connect connector
9 the 9th connect connector
10 the tenth connect connector
11 the 11 connect connector
12 the 12 connect connector
13 the 13 connect connector
14 the 14 connect connector
15 the 15 connect connector
16 the 16 connect connector
17 the 17 connect connector
18 the 18 connect connector
19 the 19 connect connector
20 the 20 connect connector
A connects connector A
B connects connector B
A1 connects connector A1
A2 connects connector A2
A3 connects connector A3
A4 connects connector A4
A5 connects connector A5
A6 connects connector A6
B1 connects connector B1
B2 connects connector B2
B3 connects connector B3
B4 connects connector B4
B5 connects connector B5
B6 connects connector B6
Embodiment
Below by particular specific embodiment execution mode of the present utility model is described, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this specification.
See also Fig. 1 to Fig. 4.Notice, the appended graphic structure that illustrates of this specification, ratio, size etc., all only in order to cooperate the content that specification disclosed, understand and reading for person skilled in the art scholar, be not in order to limit the enforceable qualifications of the utility model, event is the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not influencing under effect that the utility model can produce and the purpose that can reach, the technology contents that all should still drop on the utility model and disclosed gets in the scope that can contain.Simultaneously, quoted in this specification as " on ", D score, " left side ", " right side ", " centre " reach the term of " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under no essence change technology contents, when also being considered as the enforceable category of the utility model.
Embodiment 1
High-power locomotive is controlled the preparation of wire harness with multiple-limb:
1) insulated wire cores, braided wires are extruded; Conductor adopts the tinned copper wire of high conduction performance, in order to guarantee product when having superperformance, certain flexibility is arranged, and conductor adopts regular stranded structure, also guarantees the rounding property of conductor.Insulation system should adopt thermosetting flame-retardant compound (PVDF Insulation Material), insulating barrier should closely be coated on stranded conductor or the dacron thread, the nominal thickness of insulated wire cores is 0.4mm, and the thickness of the thinnest point is not less than 0.3mm, and the nominal thickness that braided wires is extruded is 0.2mm.Concrete structure as shown in Figure 3.The insulated wire cores of transducer wire harness is the 18AWG electric wire;
2) insulated wire cores of step 1 gained is carried out irradiation technique; Insulated wire cores should be 2.5MeV through voltage, the irradiation of the high frequency high voltage electron accelerator of line 20mA and integrated interlock control bundle lower device, and irradiation dose is 12Mrad.Insulated wire cores behind the irradiation is according to the identification requirement lettering;
3) after being cut, the insulated wire cores of step 2 gained carries out branch's welding;
4) with step 3 gained insulated wire cores bunchy, and use the braided wires of step 1 gained to carry out outer braid: to the braiding of backbone direction, trunk branch count is more than 70% by branch in braiding, and the branch line count is more than 75%; The braid surface should be smooth smooth;
5) at the terminal mounting terminal and the connector of each core, joint design as shown in Figure 5, whether core 103 exposed length are 700mm, and check firmly, overall procedure as shown in Figure 4.
The concrete structure of transducer wire harness as shown in Figure 1, comprise that length is the main line of 13571mm, described main line is made up of 30 branch lines, the code name of each branch line heart yearn is: WGC1S, WGC2S, WGC3S, WGC4S, WGC5S, WGC6S, WGC7S, WGC8S, WGC9S, WGC10S, WGC11S, WGC12S, WGC13S, WGC23S, WGC24S, WGC1R, WGC2R, WGC3R, WGC5R, WGC6R, WGC7R, WGC9R, WGC10R, WGC11R, WGC13R, WGC14R, WGC15R, WGC17R, WGC18R and WGC19R, the initiating terminal of each heart yearn is identical, from initiating terminal, WGC13R wherein, WGC14R, WGC15R, WGC5S, WGC17R, WGC18R, WGC19R, WGC12S, WGC5R, WGC6R, WGC7R, WGC9R, the length of WGC10R and WGC11R heart yearn is 9296mm, the length of WGC10S and WGC8S heart yearn is 12048mm, the length of WGC3S heart yearn is 12581mm, the length of WGC7S heart yearn is 12835mm, WGC13S, WGC1R, the length of WGC2R and WGC3R heart yearn is 13140mm, WGC1S, the length of WGC2S and WGC4S heart yearn is 13343mm, WGC9S, WGC11S, WGC24S, the length of WGC23S and WGC6S heart yearn is 13571mm;
The initiating terminal of WGC1S, WGC2S, WGC3S, WGC4S, WGC5S, WGC6S, WGC7S, WGC8S, WGC9S, WGC10S, WGC11S, WGC12S, WGC13S, WGC23S and WGC24S heart yearn is that the 15 core connecting lines of 152mm are connected connector 1 and link to each other with first by length, and it is continuous that the initiating terminal of WGC1R, WGC2R, WGC3R, WGC5R, WGC6R, WGC7R, WGC9R, WGC10R, WGC11R, WGC13R, WGC14R, WGC15R, WGC17R, WGC18R and WGC19R heart yearn is by length that the 15 core connecting lines of 152mm are connected connector 2 with second;
Apart from main line initiating terminal 9296mm place, the 3rd connection connector 3 is 3 core connecting line and the WGC13R of 1930mm by length, WGC14R links to each other with the WGC15R heart yearn, the 4th connection connector 4 is 3 core connecting line and the WGC24S of 3409mm by length, WGC5S links to each other with the WGC23S heart yearn, the 5th connection connector 5 is 3 core connecting line and the WGC17R of 3909mm by length, WGC18R links to each other with the WGC19R heart yearn, the 6th connection connector 6 is that the 2 core connecting lines of 3330mm link to each other with the WGC24S heart yearn with WGC12S by length, the 7th connection connector 7 is 3 core connecting line and the WGC5R of 354mm by length, WGC6R links to each other with the WGC7R heart yearn, and the 8th connection connector 8 is 3 core connecting line and the WGC9R of 354mm by length, WGC10R links to each other with the WGC11R heart yearn;
Apart from main line initiating terminal 12048mm place, the 9th connection connector 9 is that the 2 core connecting lines of 127mm link to each other with the WGC10S heart yearn with WGC24S by length, and the tenth connection connector 10 is that the 3 core connecting lines of 304mm link to each other with the WGC8S heart yearn with WGC23S, WGC24S by length;
Apart from main line initiating terminal 12581mm place, the 11 connection connector 11 is that the 3 core connecting lines of 381mm link to each other with the WGC3S heart yearn with WGC23S, WGC24S by length;
Apart from main line initiating terminal 12835mm place, the 12 connection connector 12 is that the 3 core connecting lines of 406mm link to each other with the WGC7S heart yearn with WGC23S, WGC24S by length;
Apart from main line initiating terminal 13140mm place, the 13 connection connector 13 is that the 2 core connecting lines of 127mm link to each other with the WGC13S heart yearn with WGC24S by length, and the 14 connection connector 14 is that the 3 core connecting lines of 152mm link to each other with the WGC3R heart yearn with WGC1R, WGC2R by length;
Apart from main line initiating terminal 13343mm place, the 15 connection connector 15 is that the 3 core connecting lines of 152mm link to each other with the WGC1S heart yearn with WGC23S, WGC24S by length, the 16 connection connector 16 is that the 3 core connecting lines of 355mm link to each other with the WGC4S heart yearn with WGC23S, WGC24S by length, and the 17 connection connector 17 is that the 3 core connecting lines of 508mm link to each other with the WGC2S heart yearn with WGC23S, WGC24S by length;
Apart from main line initiating terminal 13571mm place, the 18 connection connector 18 is that the 3 core connecting lines of 356mm link to each other with the WGC9S heart yearn with WGC23S, WGC24S by length, the 19 connection connector 19 is that the 2 core connecting lines of 203mm link to each other with the WGC11S heart yearn with WGC24S by length, and the 20 connection connector 20 is that the 3 core connecting lines of 889mm link to each other with the WGC6S heart yearn with WGC23S, WGC24S by length.
Described the 3rd connection connector 3, the 4th connection connector 4, the 5th connection connector 5 are connected connector 6 with the 6th connecting line coats jointly from being connected the 330mm that lights with main line, forms 11 heart yearns; Described the 4th connection connector 4, the 5th connection connector 5 are connected connector 6 with the 6th connecting line forms 8 heart yearns from coating with the 330mm-2809mm place of main line tie point meter is common.
Described the 7th connection connector 7 is connected connector 8 with the 8th connecting line coats jointly from being connected the 254mm that lights with main line, forms 6 heart yearns.
Embodiment 2
High-power locomotive is controlled the preparation of wire harness with multiple-limb:
1) insulated wire cores, braided wires are extruded; Conductor adopts the tinned copper wire of high conduction performance, in order to guarantee product when having superperformance, certain flexibility is arranged, and conductor adopts regular stranded structure, also guarantees the rounding property of conductor.Insulation system should adopt thermosetting flame-retardant compound (PVDF Insulation Material), insulating barrier should closely be coated on stranded conductor or the dacron thread, the nominal thickness of insulated wire cores is 0.4mm, and the thickness of the thinnest point is not less than 0.3mm, and the nominal thickness that braided wires is extruded is 0.2mm.Concrete structure as shown in Figure 3.The insulated wire cores of injection pump control wire harness is the 16AWG electric wire;
2) insulated wire cores of step 1 gained is carried out irradiation technique; Insulated wire cores should be 2.5MeV through voltage, the irradiation of the high frequency high voltage electron accelerator of line 20mA and integrated interlock control bundle lower device, and irradiation dose is 9～15Mrad.Insulated wire cores behind the irradiation is according to the identification requirement lettering;
3) after being cut, the insulated wire cores of step 2 gained carries out branch's welding;
4) with step 3 gained insulated wire cores bunchy, and use the braided wires of step 1 gained to carry out outer braid: to the braiding of backbone direction, trunk branch count is more than 70% by branch in braiding, and the branch line count is more than 75%; The braid surface should be smooth smooth;
5) at the terminal mounting terminal and the connector of each core, joint design as shown in Figure 5, whether core 103 exposed length are 700mm, and check firmly, overall procedure as shown in Figure 4.
The concrete structure of injection pump control wire harness as shown in Figure 2, comprise that length is the main line of 11938mm, described main line is made up of 14 branch lines, the code name of each branch line heart yearn is: A1, A2, A3, A4, A5, A6, AG, B1, B2, B3, B4, B5, B6 and BG, the initiating terminal of each heart yearn is identical, from initiating terminal, wherein the length of A1, A2, A3, A4, A5, A6, AG heart yearn is 9144mm, and the length of B1, B2, B3, B4, B5, B6 and BG heart yearn is 11938mm;
Concrete, the initiating terminal of A1, A2, A3, A4, A5, A6 and AG heart yearn by length be 152mm 7 core connecting lines be connected connector A and link to each other, the initiating terminal of B1, B2, B3, B4, B5, B6 and BG heart yearn is that the 7 core connecting lines of 355mm are with to be connected connector B continuous by length;
Apart from main line initiating terminal 9144mm place, connection connector A1 is that the 2 core connecting lines of 1968mm link to each other with the AG heart yearn with A1 by length, connection connector A2 is that the 2 core connecting lines of 2412mm link to each other with the AG heart yearn with A2 by length, connection connector A3 is that the 2 core connecting lines of 2856mm link to each other with the AG heart yearn with A3 by length, connection connector A4 is that the 2 core connecting lines of 3300mm link to each other with the AG heart yearn with A4 by length, connection connector A5 is that the 2 core connecting lines of 3744mm link to each other with the AG heart yearn with A5 by length, and connection connector A6 is that the 2 core connecting lines of 4696mm link to each other with the AG heart yearn with A6 by length;
Wherein, the connecting line of connection connector A1, A2, A3, A4 and A5 is provided with the free end that length is 1333mm from the connector that is connected separately, the connecting line that connects connector A6 is provided with the free end that length is 1777mm from connecting connector, and the connecting line that connects connector A1, A2, A3, A4, A5 and A6 is equipped with fixedly connector from the connector 825mm place that is connected separately; Each connecting line all coats processing except that free end, form the split conductor structure;
Apart from main line initiating terminal 11938mm place, connection connector B1 is that the 2 core connecting lines of 2095mm link to each other with the BG heart yearn with B1 by length, connection connector B2 is that the 2 core connecting lines of 2539mm link to each other with the BG heart yearn with B2 by length, connection connector B3 is that the 2 core connecting lines of 2983mm link to each other with the BG heart yearn with B3 by length, connection connector B4 is that the 2 core connecting lines of 3427mm link to each other with the BG heart yearn with B4 by length, connection connector B5 is that the 2 core connecting lines of 3871mm link to each other with the BG heart yearn with B5 by length, and connection connector B6 is that the 2 core connecting lines of 4823mm link to each other with the BG heart yearn with B6 by length;
Wherein, the connecting line of connection connector B1, B2, B3, B4 and B5 is provided with the free end that length is 1460mm from the connector that is connected separately, the connecting line that connects connector B6 is provided with the free end that length is 1904mm from connecting connector, and the connecting line that connects connector B1, B2, B3, B4, B5 and B6 is equipped with fixedly connector from the connector 952mm place that is connected separately; Each connecting line all coats processing except that free end, form the split conductor structure.
Embodiment 3
High-power locomotive is controlled the key technical indexes of wire harness with multiple-limb:
1, electric property:
1.1,25 ℃ of insulation resistances (in the water)
Electric wire 25ft(7.62m), carry out withstand voltage test earlier, carry out megger test then, test value is all greater than 1524M Ω km.
1.2,125 ℃ of insulation resistances (in the air)
After lasting 24 hours, the insulation resistances of test and measurement are all greater than 0.6096M Ω km under 125 ℃ under 125 ℃ ± 2 ℃ conditions.
2, hot property:
2.1,158 ℃ continue down 168 hours heat resistant tests: the insulation resistance requirement during all by proof voltage and 25 ℃.
2.2,175 ℃ continue down 96 hours heat resistant tests: electric wire is all by withstand voltage test, and the insulation of each termination contraction all is no more than 0.79375mm.
2.3, thermal shock
The insulated conductor sample all is wrapped in 6 circles on the axle of 6.35mm tightly.The sample fix tightly is placed under 225 ℃ of temperature continues 1 hour.After at room temperature cooling off, check that with the naked eye the insulated wire on the axle does not all have crackle.
2.4, thermal deformation (similar high temperature pressure)
According to the high temperature pressure method of testing, test temperature is 150 ± 2 ℃, and under the load of following table regulation, distortion all is no more than 25%.
2.5, thermal endurance
Wire samples 609.6mm, after handling 7 days (168h) under 158 ± 2 ℃, electric wire is the withstand voltage test by stipulating all, and the obvious color variation does not all appear in insulating barrier.
3, low temperature resistant:
3.1, cold bend(ing)
Test according to test method, insulating barrier does not all have crackle, and insulated wire all can bear withstand voltage test after bending.
3.2, cold shock
Test according to following test method, insulating barrier does not all have visible crackle, and after taking out from low-temperature test chamber, insulated wire all can bear withstand voltage test.
4, environment resistant:
4.1, heat-resisting oiliness
The termination of electric wire is peeled off 50.8mm and is placed in the 1st, 2 and No. 3 oil of ASTM 150 ± 2 ℃ and continues 96 hours, and the increase of the diameter of wire all is no more than 40%.Insulating barrier does not all have crackle, breaks or minute crack, and electric wire all can be by the withstand voltage test of regulation.
4.2, deep fat is aging
Insulated sample is immersed in No. 2 oil product of ASTM, as follows at the lasting minimum that recorded in 18 hours of 121 ℃ ± 2 ℃ temperature:
| Wire gauge | 18AWG，16AWG |
| Hot strength retention rate/% | 60 |
| Percentage elongation retention rate/% | 60 |
4.3, fuel oil resistance and mineral oil performance
The 1 foot part in the center of 2 feet long electric wires was exposed under 25 ± 5 ℃ of temperature in the following environment after 96 hours, and the increase of the diameter of wire all is no more than 10%.
Mineral spirits and commercial grade fuel oil-#2 based on naphtha.
4.4, ozone resistants
Except ozone concentration is 0.03%(1,000,000/300) and test temperature be 90 ℃ ± 2 ℃, expose 24 hours after insulating barrier all do not have crackle.
5,75 ℃ of salt water tests:
10ft (3.048m) long loop sample exposes 120 hours in 75 ℃ ± 2 ℃ saline solution after, electric wire all can be by withstand voltage test.
6, testing vertical flammability:
The result is as follows for the vertical type burning test:
In the time of having a rest in 15 seconds, the flame of use extinguished within 3 seconds.
The 5th time and last use flame after, the firing duration of sample was no more than for 3 seconds.
The prepared high-power locomotive of the utility model is controlled the length of wire harness and the requirement that the core number average reaches four-cycle diesel with multiple-limb, has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
The foregoing description is illustrative principle of the present utility model and effect thereof only, but not is used to limit the utility model.Any person skilled in the art scholar all can be under spirit of the present utility model and category, and the foregoing description is modified or changed.Therefore, have in the technical field under such as and know that usually the knowledgeable modifies or changes not breaking away from all equivalences of being finished under spirit that the utility model discloses and the technological thought, must be contained by claim of the present utility model.
Claims (10)
1. a high-power locomotive is controlled wire harness with multiple-limb, it is characterized in that, comprise that length is the main line of 13571mm, described main line is made up of 30 branch lines, the code name of each branch line heart yearn is: WGC1S, WGC2S, WGC3S, WGC4S, WGC5S, WGC6S, WGC7S, WGC8S, WGC9S, WGC10S, WGC11S, WGC12S, WGC13S, WGC23S, WGC24S, WGC1R, WGC2R, WGC3R, WGC5R, WGC6R, WGC7R, WGC9R, WGC10R, WGC11R, WGC13R, WGC14R, WGC15R, WGC17R, WGC18R and WGC19R, the initiating terminal of each heart yearn is identical, from initiating terminal, WGC13R wherein, WGC14R, WGC15R, WGC5S, WGC17R, WGC18R, WGC19R, WGC12S, WGC5R, WGC6R, WGC7R, WGC9R, the length of WGC10R and WGC11R heart yearn is 9296mm, the length of WGC10S and WGC8S heart yearn is 12048mm, the length of WGC3S heart yearn is 12581mm, the length of WGC7S heart yearn is 12835mm, WGC13S, WGC1R, the length of WGC2R and WGC3R heart yearn is 13140mm, WGC1S, the length of WGC2S and WGC4S heart yearn is 13343mm, WGC9S, WGC11S, WGC24S, the length of WGC23S and WGC6S heart yearn is 13571mm; The initiating terminal of WGC1S, WGC2S, WGC3S, WGC4S, WGC5S, WGC6S, WGC7S, WGC8S, WGC9S, WGC10S, WGC11S, WGC12S, WGC13S, WGC23S and WGC24S heart yearn is that the 15 core connecting lines of 152mm are connected connector and link to each other with first by length, and it is continuous that the initiating terminal of WGC1R, WGC2R, WGC3R, WGC5R, WGC6R, WGC7R, WGC9R, WGC10R, WGC11R, WGC13R, WGC14R, WGC15R, WGC17R, WGC18R and WGC19R heart yearn is by length that the 15 core connecting lines of 152mm are connected connector with second.
2. a kind of high-power locomotive as claimed in claim 1 is controlled wire harness with multiple-limb, it is characterized in that, apart from main line initiating terminal 9296mm place, the 3rd connection connector is 3 core connecting line and the WGC13R of 1930mm by length, WGC14R links to each other with the WGC15R heart yearn, the 4th connection connector is 3 core connecting line and the WGC24S of 3409mm by length, WGC5S links to each other with the WGC23S heart yearn, the 5th connection connector is 3 core connecting line and the WGC17R of 3909mm by length, WGC18R links to each other with the WGC19R heart yearn, the 6th connection connector is that the 2 core connecting lines of 3330mm link to each other with the WGC24S heart yearn with WGC12S by length, the 7th connection connector is 3 core connecting line and the WGC5R of 354mm by length, WGC6R links to each other with the WGC7R heart yearn, and the 8th connection connector is 3 core connecting line and the WGC9R of 354mm by length, WGC10R links to each other with the WGC11R heart yearn.
3. a kind of high-power locomotive as claimed in claim 1 is controlled wire harness with multiple-limb, it is characterized in that, apart from main line initiating terminal 12048mm place, the 9th connection connector is that the 2 core connecting lines of 127mm link to each other with the WGC10S heart yearn with WGC24S by length, and the tenth connection connector is that the 3 core connecting lines of 304mm link to each other with the WGC8S heart yearn with WGC23S, WGC24S by length.
4. a kind of high-power locomotive as claimed in claim 1 is controlled wire harness with multiple-limb, it is characterized in that, apart from main line initiating terminal 12581mm place, the 11 connection connector is that the 3 core connecting lines of 381mm link to each other with the WGC3S heart yearn with WGC23S, WGC24S by length.
5. a kind of high-power locomotive as claimed in claim 1 is controlled wire harness with multiple-limb, it is characterized in that, apart from main line initiating terminal 12835mm place, the 12 connection connector is that the 3 core connecting lines of 406mm link to each other with the WGC7S heart yearn with WGC23S, WGC24S by length.
6. a kind of high-power locomotive as claimed in claim 1 is controlled wire harness with multiple-limb, it is characterized in that, apart from main line initiating terminal 13140mm place, the 13 connection connector is that the 2 core connecting lines of 127mm link to each other with the WGC13S heart yearn with WGC24S by length, and the 14 connection connector is that the 3 core connecting lines of 152mm link to each other with the WGC3R heart yearn with WGC1R, WGC2R by length.
7. a kind of high-power locomotive as claimed in claim 1 is controlled wire harness with multiple-limb, it is characterized in that, apart from main line initiating terminal 13343mm place, the 15 connection connector is that the 3 core connecting lines of 152mm link to each other with the WGC1S heart yearn with WGC23S, WGC24S by length, the 16 connection connector is that the 3 core connecting lines of 355mm link to each other with the WGC4S heart yearn with WGC23S, WGC24S by length, and the 17 connection connector is that the 3 core connecting lines of 508mm link to each other with the WGC2S heart yearn with WGC23S, WGC24S by length.
8. a kind of high-power locomotive as claimed in claim 1 is controlled wire harness with multiple-limb, it is characterized in that, apart from main line initiating terminal 13571mm place, the 18 connection connector is that the 3 core connecting lines of 356mm link to each other with the WGC9S heart yearn with WGC23S, WGC24S by length, the 19 connection connector is that the 2 core connecting lines of 203mm link to each other with the WGC11S heart yearn with WGC24S by length, and the 20 connection connector is that the 3 core connecting lines of 889mm link to each other with the WGC6S heart yearn with WGC23S, WGC24S by length.
9. a kind of high-power locomotive as claimed in claim 2 is controlled wire harness with multiple-limb, it is characterized in that, described the 3rd connection connector, the 4th connection connector, the 5th connection connector are connected connector with the 6th connecting line coats jointly from being connected the 330mm that lights with main line, forms 11 heart yearns; Described the 4th connection connector, the 5th connection connector are connected the connecting line of connector from coating with the 330mm-2809mm place of main line tie point meter is common with the 6th, form 8 heart yearns.
10. a kind of high-power locomotive as claimed in claim 2 is controlled wire harness with multiple-limb, it is characterized in that, described the 7th connection connector is connected connector with the 8th connecting line coats jointly from being connected the 254mm that lights with main line, forms 6 heart yearns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220704540 CN203102887U (en) | 2012-12-19 | 2012-12-19 | Multi-branch control wire harness for high-power locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220704540 CN203102887U (en) | 2012-12-19 | 2012-12-19 | Multi-branch control wire harness for high-power locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203102887U true CN203102887U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220704540 Expired - Fee Related CN203102887U (en) | 2012-12-19 | 2012-12-19 | Multi-branch control wire harness for high-power locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203102887U (en) |
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2012
- 2012-12-19 CN CN 201220704540 patent/CN203102887U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20181219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |