CN201717020U

CN201717020U - Multi-core industrial circuit control cable containing power lines

Info

Publication number: CN201717020U
Application number: CN2010201810431U
Authority: CN
Inventors: 姚俊国
Original assignee: Shanghai Panda Wire & Cable Co Ltd
Current assignee: Shanghai Panda Electric Wire Co., Ltd.; Shanghai Panda Wire & Cable Co., Ltd.
Priority date: 2010-05-06
Filing date: 2010-05-06
Publication date: 2011-01-19
Anticipated expiration: 2020-05-06

Abstract

The utility model discloses a multi-core industrial circuit control cable containing power lines, which comprises power lines and signal lines; each power line comprises a first conductor, a first insulating layer and a first shielding layer, the first insulating layer is extruded on the first conductor to form a core lead, and a pair of power line pairs is formed by two core leads by means of pairwise twist and then the outer part thereof is lapped with the first shielding layer; and each signal line comprises a second conductor, a second insulating layer and a second shielding layer, the second insulating layer is extruded on the second conductor to form a core lead, and a pair of signal line pairs is formed by core leads by means of pairwise twist and the outer part thereof is lapped with the second shielding layer; the power line pairs lapped with the first shielding layer and the signal line pairs lapped with the second shielding layer are stranded into a cable and then the outer part thereof is extruded with a total braid layer and a sheath to form the control cable, and a grounding wire is disposed between the first shielding layer, the second shielding layer and the total braid layer. The utility model combines the power lines and the signal lines into the same control cable, thereby improving the control capability of the industrial circuit, and facilitating the replacement between simple equipment.

Description

The multicore industry circuit control cable that contains power line

Technical field

The utility model relates to a kind of cable, relates in particular to industrial circuit control cable.

Background technology

Existing industrial circuit control cable generally refers to the signal controlling cable, and the signal controlling cable only possesses the function of network signal control.The power transmission of industrial equipment is then realized by power cable.The signal controlling cable is two kinds of different cables with power cable.

The signal controlling cable, the structure that is holding wire is as follows: referring to Fig. 1, the signal controlling cable comprises conductor 1, insulating barrier 2, screen 3, earth connection 4, braid 5 and sheath 6, be extruded with insulating barrier 2 on the conductor 1 and form a core lead, two core leads in twos behind the pair twist outside be extruded with screen 3, braid 5 and sheath 6 from inside to outside successively, and between screen 3 and braid 5, be provided with earth connection 4, consistent on earth connection 4 and the signal controlling cable length direction.

Power cable, promptly the structure of power line is as follows: referring to Fig. 2, power cable comprises conductor 1, insulating barrier 2 and sheath 6, be extruded with insulating barrier 2 on the conductor 1 and form a core lead, two core leads in twos behind the pair twist outside be extruded with sheath 6 and form a power cable.

The conductor of above-mentioned two kinds of cables adopts all that the multiply tinned copper wire is stranded to form, and these two kinds of cables only possess simple function, needs during use to connect separately to use.

The utility model content

The purpose of this utility model is to provide a kind of multicore industry circuit control cable that contains power line, this control cable is incorporated in power line and holding wire in the same control cable, improved industrial circuit control ability, be convenient to the replacement between the simple device, and this control cable cost is low, and installing space is little.

The utility model is achieved in that

A kind of multicore industry circuit control cable that contains power line comprises power line and holding wire; Described power line comprises first conductor, first insulating barrier and first screen, be extruded with first insulating barrier on first conductor and form a core lead, two core leads in twos pair twist partner power line to the back outside be surrounded with first screen; Described holding wire comprises second conductor, second insulating barrier and secondary shielding layer, be extruded with second insulating barrier on second conductor and form a core lead, two core leads in twos pair twist partner holding wire to the back outside be surrounded with the secondary shielding layer; The power line that described outside is surrounded with first screen is extruded with total braid and sheath from inside to outside successively and forms a control cable being surrounded with behind the holding wire strand stranding of secondary shielding layer the outside with the outside, and between first, second screen and total braid, be provided with earth connection, consistent on earth connection and power line, the holding wire length direction.

Described second insulating barrier adopts skin foam skin structure physical foam insulation, second insulating barrier comprises endodermis, foaming layer and exodermis, endodermis adopts low density polyethylene (LDPE) to make, and foaming layer adopts mixed type polyethylene foamed material to make, and exodermis adopts high density polyethylene (HDPE) to make.

Described first, second screen adopts two-sided aluminium foil to make, and the aluminium foil Duplication is more than or equal to 25%.

It is that the tinned copper wire of 0.127mm is worked out that described total braid adopts single diameter, and count is more than or equal to 65%.

The power line that described outside is surrounded with first screen is 35 ~ 40 times of the total external diameter of stranding to being surrounded with laying up pitch behind the holding wire strand stranding of secondary shielding layer with the outside.

The utility model is incorporated in power line and holding wire in the same control cable, and promptly the utility model control cable possesses power transmission and network signal transfer function simultaneously.

The utility model with two core power lines, two core holding wires in twos pair twist form power line to right with holding wire, and, holding wire is surrounded with first, second screen to the outside at power line, first, second screen adopts two-sided aluminium foil to make, its signal antijamming capability is strong, can avoid power line pair and holding wire to mutual interference mutually, can also effectively shield external disturbance.The power line that the outside is surrounded with first screen outsidely behind the holding wire strand stranding of secondary shielding layer is extruded with total braid and sheath forms a multicore industry circuit control cable that contains power line to being surrounded with the outside, and first, second screen with always be provided with earth connection between the braid.Total braid can always shield the utility model control cable, reduces internal signal and runs off, and strengthens the external signal antijamming capability, and what earth connection can strengthen total braid and first, second screen is connected the increase shield effectiveness.

The utility model can improve industrial circuit control ability, is convenient to the replacement between the simple device, and this control cable cost is low, and installing space is little, and volume is little, and is in light weight, can be applicable to all field apparatuss.

Description of drawings

Fig. 1 is the structural representation of existing signal controlling cable (holding wire);

Fig. 2 is the structural representation of existing power cable (power line);

Fig. 3 contains the structural representation of the multicore industry circuit control cable of power line for the utility model.

Among the figure: 1 conductor, 2 insulating barriers, 3 screens, 4 earth connections, 5 braids, 6 sheaths, 7 power lines, 71 first conductors, 72 first insulating barriers, 73 first screens, 74 power lines are right, 8 holding wires, 81 second conductors, 82 second insulating barriers, 83 secondary shielding layers, 84 holding wires are right, 9 total braids.

Embodiment

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.

Referring to Fig. 3, a kind of multicore industry circuit control cable that contains power line comprises power line 7 and holding wire 8.

Power line 7 comprises that being extruded with first insulating barrier 72 on first conductor 71, first insulating barrier 72 and first screen, 73, the first conductors 71 forms a core lead, and the two core leads pair twist power line that partners in twos are surrounded with first screen 73 to outsides, 74 back.

Holding wire 8 comprises that being extruded with second insulating barrier 82 on second conductor 81, second insulating barrier 82 and secondary shielding layer 83, the second conductor 81 forms a core lead, and the two core leads pair twist holding wire that partners in twos are surrounded with secondary shielding layer 83 to outsides, 84 back.

The power line that the outside is surrounded with first screen 73 to 74 and the outside holding wire that is surrounded with secondary shielding layer 83 to 84 stranded strandings after the outside be extruded with total braid 9 from inside to outside successively and sheath 6 forms a control cable, and between first,

second screen

73,83 and total braid 9, be provided with earth connection 4, consistent on earth connection 4 and power line 7, holding wire 8 length directions.

In the utility model, first conductor 71 in the power line 7 and second conductor 81 in the holding wire 8 adopt all that the multiply tinned copper wire is stranded to form, first conductor 71 of power line 7 be 0.32mm by 19 strands of sub-thread conductor diameters stranded the forming of tinned copper wire, stranded the forming of tinned copper wire that second conductor 81 of holding wire 8 is 0.254mm by 19 strands of sub-thread conductor diameters wherein.

First insulating barrier 72 of power line 7 adopts polyvinyl chloride to make, and 82 of second insulating barriers of holding wire 8 adopt skin foam skin structure physical foam insulation.Second insulating barrier 82 comprises endodermis, foaming layer and exodermis, and endodermis adopts low density polyethylene (LDPE) to make, and its adhesiveness is good; Foaming layer adopts mixed type polyethylene foamed material to make its foam degrees height; Exodermis adopts high density polyethylene (HDPE) to make, and its intensity height makes heart yearn not yielding.

Power line is distinguished wrapped first screen 73 and secondary shielding layers 83 to 74 outsides and holding wire to 84 outsides, and first,

second screen

73,83 all adopts two-sided aluminium foil to make, and the aluminium foil Duplication is more than or equal to 25%.First,

second screen

73,83 can enhancing signal antijamming capabilities, avoid power line to 74 with holding wire to 84 mutual interference mutually, the while can also effectively shield external disturbance.

Total braid 9 is that to adopt single diameter be that the tinned copper wire of 0.127mm is worked out, and count is more than or equal to 65%.Total braid 9 can always shield the The whole control cable, reduces internal signal and runs off, and strengthens the external signal antijamming capability.

Earth connection 4 between first,

second screen

73,83 and the total braid 9 forms by tinned copper wire is stranded, and what earth connection 4 can strengthen total braid 9 and first,

second screen

73,83 is connected the increase shield effectiveness.

Sheath 6 adopts polyvinyl chloride to make, and polyvinyl chloride has the characteristics of oil resistance, corrosion resistance.

In addition, the outside power line that is surrounded with first screen 73 to 74 and the laying up pitch of the outside holding wire that is surrounded with secondary shielding layer 83 after to 84 stranded strandings be 35 ~ 40 times of the total external diameter of stranding.

The utility model is incorporated in power line 7 and holding wire 8 in the same control cable, and promptly the utility model control cable possesses power transmission and network signal transfer function simultaneously.The utility model can improve industrial circuit control ability, is convenient to the replacement between the simple device, and cost is low, and installing space is little, and volume is little, and is in light weight, can be applicable to all field apparatuss.

Claims

1. multicore industry circuit control cable that contains power line, comprise power line and holding wire, it is characterized in that: described power line comprises first conductor, first insulating barrier and first screen, be extruded with first insulating barrier on first conductor and form a core lead, two core leads in twos pair twist partner power line to the back outside be surrounded with first screen;

Described holding wire comprises second conductor, second insulating barrier and secondary shielding layer, be extruded with second insulating barrier on second conductor and form a core lead, two core leads in twos pair twist partner holding wire to the back outside be surrounded with the secondary shielding layer;

The power line that described outside is surrounded with first screen is extruded with total braid and sheath from inside to outside successively and forms a control cable being surrounded with behind the holding wire strand stranding of secondary shielding layer the outside with the outside, and between first, second screen and total braid, be provided with earth connection, consistent on earth connection and power line, the holding wire length direction.

2. the multicore industry circuit control cable that contains power line according to claim 1, it is characterized in that: described second insulating barrier adopts skin foam skin structure physical foam insulation, second insulating barrier comprises endodermis, foaming layer and exodermis, endodermis adopts low density polyethylene (LDPE) to make, foaming layer adopts mixed type polyethylene foamed material to make, and exodermis adopts high density polyethylene (HDPE) to make.

3. the multicore industry circuit control cable that contains power line according to claim 1, it is characterized in that: described first, second screen adopts two-sided aluminium foil to make, and the aluminium foil Duplication is more than or equal to 25%.

4. the multicore industry circuit control cable that contains power line according to claim 1 is characterized in that: it is that the tinned copper wire of 0.127mm is worked out that described total braid adopts single diameter, and count is more than or equal to 65%.

5. the multicore industry circuit control cable that contains power line according to claim 1 is characterized in that: the power line that described outside is surrounded with first screen is 35 ~ 40 times of the total external diameter of stranding to being surrounded with laying up pitch behind the holding wire strand stranding of secondary shielding layer with the outside.