A kind of square two-way air suction type electric cable cooling device
Technical field
The application relates to a kind of cooling device, is specially a kind of square two-way air suction type electric cable cooling device.
Background technology
Large-scale electric equipment in the factory needs to be equipped with large-scale distribution box usually; Because large-scale industrial production needs a large amount of this distribution boxs, therefore, corresponding a large amount of distribution boxs are usually provided with between the distribution trolley of factory.Because the power consumption of industrial equipment and power are comparatively large, therefore, easily there is heat accumulation when long-time big current effect in the cable of powering to distribution box.Especially at the cable of the inner cabling of distribution box, because the heat dispersal situations of distribution box inside is not good, and the electric component of distribution box inside itself is also at distribute heat, and therefore, the superposition of these situations just exacerbates the accumulation of heat more.Huge potential safety hazard is caused between the distribution trolley of the heat accumulated for factory.Because distribution plant personnel is less, equipment is more, and long accumulation of heat easily causes cable sheath to soften, and increases the weight of degree of aging, and the contact object that easily ignites gradually when contacting other objects, causes fire.More existing cooling devices, normally install ventilating fan additional on distribution box, so that by heat away.But this device is that danger falls in the cooling that can not realize workshop entirety by heat dissipation in workshop condition; And in distribution box, usual electric component is intensive, and in the region of some heat accumulation, exhaust effect is often bad, therefore this device is also difficult to carry out specific aim cooling to concrete parts.And in prior art, also have the equipment specific concrete parts being installed additional to fan.But, be so only by around the heat dissipation of these concrete parts to miscellaneous part, and be unfavorable for overall cooling.And air suction type electric cable cooling device complex structure of the prior art, operating reliability is not high, and pumping efficiency is not high.
Summary of the invention
The invention provides a kind of square two-way air suction type electric cable cooling device, it is relatively simple for structure, dependable performance, specific aim cooling can be carried out for concrete cable assembly, and the heat that can produce the electric component around it and itself carries out absorption discharge simultaneously, can play and both specific aim cooling be carried out to heating cable, the technique effect heat of heating cable periphery effectively can taken away again.
A kind of square two-way air suction type electric cable cooling device, comprises first quadrate part and second quadrate part, and first quadrate part and second quadrate part fasten and form square body, and the interface of first quadrate part and second quadrate part is provided with sealing strip; The outer surface of described square body is provided with the cooling fluid barrier layer of square column type, the inside of described square body has the cavity for holding cable, the cooling fluid barrier layer of described square column type is around described cavity, and be communicated with inlet in the right-hand member upper flow of the cooling fluid barrier layer of described square column type, left end lower flow is communicated with liquid outlet; Circular pore is also provided with at the cooling fluid barrier layer of described square column type, the inner circumferential side wall energy of described circular pore is enough to be completely cut off the bore seal of described circular pore and described cooling fluid barrier layer, thus described cavity can be communicated with the external environment condition of cavity by described circular pore;
Described circular pore lines up axial row along the axial direction of described square body, and the circumferential direction of the cooling fluid barrier layer of described square column type has multiple described axial row, and the described circular pore in adjacent described axial row staggers mutually; The aperture of the described circular pore in each described axial row increases gradually with the direction from two ends to centre, thus the aperture of the circular pore of mid portion in each axial row is maximum, and the aperture of the circular pore of two end portions is minimum; Cooling fluid can flow into described cooling fluid barrier layer by described inlet, and flows through the circumferential side wall of each circular pore, is flowed out by described liquid outlet;
First quadrate part described and second quadrate part are all respectively arranged with carrying semicircular ring at its two ends, left and right, after first quadrate part described and second quadrate part fasten formation square body, described carrying semicircular ring forms carrying annulus, and lay respectively at the two ends of described cavity, for load-bearing cable, in the carrying annulus that described carrying semicircular ring is formed, be provided with O-Sealing Rings; The outer circumference surface of described carrying semicircular ring extends dividing plate by the radial direction that circumferential uniform intervals is arranged and is fixedly connected with second quadrate part with first quadrate part described respectively, and described radial direction extends between dividing plate and forms the dividing plate gas circuit with described cavity connects;
The outside that the two ends of first quadrate part described and second both quadrate part extend dividing plate in described radial direction is all integrally extended with square protuberance, described square protuberance forms left air-breathing chamber and right air-breathing chamber respectively after fastening, described left air-breathing chamber and right air-breathing chamber lay respectively at the two ends of described square body, the outside of described dividing plate gas circuit, one end of described left air-breathing chamber is communicated with all described dividing plate gas circuit on the left of described square body, left air entry is at the top of the described left air-breathing chamber other end and described left air-breathing chamber, and at the central part of the described left air-breathing chamber other end, also there is the left air-breathing chamber circular hole that current supply cable passes, the inner peripheral wall of described left air-breathing chamber circular hole is provided with sealing ring,
One end of described right air-breathing chamber is communicated with all described dividing plate gas circuit on the right side of described square body, right air entry is at the bottom of the described right air-breathing chamber other end and described right air-breathing chamber, and be also provided with at the central part of the described right air-breathing chamber other end the right air-breathing chamber circular hole that current supply cable passes, the inner peripheral wall of described right air-breathing chamber circular hole is provided with sealing ring;
During work, cable can pass left air-breathing chamber circular hole, left air-breathing chamber, the carrying annulus in left side, described cavity, the carrying annulus on right side, right air-breathing chamber and right air-breathing chamber circular hole successively, and described left air entry is connected getter device respectively with right air entry; Described inlet and liquid outlet are communicated with recovery port with the supply port of coolant supply apparatus respectively; Under the effect of described getter device, the gas of the external environment condition of described cavity can enter described cavity by described circular pore, and enter left air-breathing chamber and right air-breathing chamber respectively by described dividing plate gas circuit, and finally siphoned away by getter device, thus play the effect effectively taking away described cable ambient heat.
Accompanying drawing explanation
Fig. 1 is the schematic main pseudosection of square two-way air suction type electric cable cooling device of the present invention;
Fig. 2 is the schematic side elevation of square two-way air suction type electric cable cooling device of the present invention;
Fig. 3 is the schematic installation diagram of square two-way air suction type electric cable cooling device of the present invention;
Embodiment
A kind of square two-way air suction type electric cable cooling device, comprises first quadrate part 1 and second quadrate part 2, and first quadrate part 1 and second quadrate part 2 fasten and form square body, and the interface of first quadrate part 1 and second quadrate part 2 is provided with sealing strip; The outer surface of described square body is provided with the cooling fluid barrier layer of square column type, the inside of described square body has the cavity for holding cable 9, the cooling fluid barrier layer of described square column type is around described cavity, and be communicated with inlet 3 in the right-hand member upper flow of the cooling fluid barrier layer of described square column type, left end lower flow is communicated with liquid outlet 4; Circular pore 27 is also provided with at the cooling fluid barrier layer of described square column type, the inner circumferential side wall energy of described circular pore 27 is enough to be completely cut off described circular pore 27 with the bore seal of described cooling fluid barrier layer, thus described cavity can be communicated with the external environment condition of cavity by described circular pore 27;
Described circular pore 27 lines up axial row along the axial direction of described square body, and the circumferential direction of the cooling fluid barrier layer of described square column type has multiple described axial row, and the described circular pore 27 in adjacent described axial row staggers mutually; The aperture of the described circular pore 27 in each described axial row increases gradually with the direction from two ends to centre, thus the aperture of the circular pore 27 of mid portion in each axial row is maximum, and the aperture of the circular pore 27 of two end portions is minimum; Cooling fluid can flow into described cooling fluid barrier layer by described inlet 3, and flows through the circumferential side wall of each circular pore 27, is flowed out by described liquid outlet 4;
First quadrate part 1 described and second quadrate part 2 are all respectively arranged with carrying semicircular ring 5 at its two ends, left and right, after first quadrate part 1 described and second quadrate part 2 fasten formation square body, described carrying semicircular ring 5 forms carrying annulus, and lay respectively at the two ends of described cavity, for load-bearing cable 9, in the carrying annulus that described carrying semicircular ring 5 is formed, be provided with O-Sealing Rings; The outer circumference surface of described carrying semicircular ring 5 extends dividing plate 6 by the radial direction that circumferential uniform intervals is arranged and is fixedly connected with second quadrate part 2 with first quadrate part 1 described respectively, and described radial direction extends between dividing plate 6 and forms the dividing plate gas circuit 7 with described cavity connects;
The outside that the two ends of first quadrate part 1 described and second both quadrate part 2 extend dividing plate 6 in described radial direction is all integrally extended with square protuberance, described square protuberance forms left air-breathing chamber 63 and right air-breathing chamber 64 respectively after fastening, described left air-breathing chamber 63 and right air-breathing chamber 64 lay respectively at the two ends of described square body, the outside of described dividing plate gas circuit 7, one end of described left air-breathing chamber 63 is communicated with all described dividing plate gas circuit 7 on the left of described square body, left air entry 61 is communicated with described left air-breathing chamber 63 on the top of described left air-breathing chamber 63 other end, and at the central part of described left air-breathing chamber 63 other end, also there is the left air-breathing chamber circular hole 51 that current supply cable passes, the inner peripheral wall of described left air-breathing chamber circular hole 51 is provided with sealing ring,
One end of described right air-breathing chamber 64 is communicated with all described dividing plate gas circuit 7 on the right side of described square body, right air entry 62 is communicated with described right air-breathing chamber 64 in the bottom of described right air-breathing chamber 64 other end, and be also provided with at the central part of described right air-breathing chamber 64 other end right air-breathing chamber circular hole 52 that current supply cable passes, the inner peripheral wall of described right air-breathing chamber circular hole 52 is provided with sealing ring;
During work, cable 9 can pass left air-breathing chamber circular hole 51, left air-breathing chamber 63, the carrying annulus in left side, described cavity, the carrying annulus on right side, right air-breathing chamber 64 and right air-breathing chamber circular hole 52 successively, and described left air entry 61 is connected getter device respectively with right air entry 62; Described inlet 3 is communicated with recovery port with the supply port of coolant supply apparatus respectively with liquid outlet 4; Under the effect of described getter device, the gas of the external environment condition of described cavity can enter described cavity by described circular pore 27, and enter left air-breathing chamber 63 and right air-breathing chamber 64 respectively by described dividing plate gas circuit 7, and finally siphoned away by getter device, thus play the effect effectively taking away described cable 9 ambient heat.