Temporary low-voltage bypass branch box with frame circuit breaker
By designing a temporary low-voltage bypass branch box with a frame circuit breaker, and utilizing the combination of isolation voltage stabilizer, circuit breaker, and air switch, the problem of unstable temporary power supply was solved, thus achieving power supply stability and the safety of electrical equipment.
Patent Information
- Application Number
- CN202422893788.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-27
AI Technical Summary
Temporary power supply during urban construction and road building projects can be unstable, leading to voltage fluctuations that may damage electrical equipment.
A temporary low-voltage bypass branch box with a frame circuit breaker was designed, which includes a traveling frame, an upper distribution box, a lower distribution box, a circuit breaker, an air switch, an isolation voltage regulator, and a ceramic cable tray. The isolation voltage regulator ensures the stability of power supply, and the circuit breaker and air switch enable safe connection of different power consumption terminals.
It improves the stability of temporary power supply, ensures the safe and reliable operation of electrical equipment, and prevents equipment damage caused by voltage instability.
Smart Images

Figure CN223471918U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of power supply equipment, concretely relates to a temporary low-voltage bypass branch box with frame circuit breaker. BACKGROUND
[0002] During the process of city building and road construction and rescue emergency power supply, temporary power supply is used, and a power cable is drawn from the main power supply network or power generation equipment is used to generate power and temporary power supply equipment is used for power supply; the power supply stability of the temporary power supply equipment is lower than that of the normal power grid, resulting in unstable voltage of the temporary power supply; the unstable voltage of the temporary power supply also causes damage to the power supply equipment and other problems. SUMMARY
[0003] The utility model aims at solving above-mentioned problem, and provides a temporary low-voltage bypass branch box with frame circuit breaker.
[0004] A temporary low-voltage bypass branch box with frame circuit breaker, it includes: walking car frame, upper distribution box, lower distribution box, circuit breaker, air switch, isolation voltage stabilizer, ceramic wire holder, walking car frame upper end is equipped with the upper box fixed layer frame, walking car frame middle part is equipped with the partition layer frame, and the upper box fixed layer frame and partition layer frame are connected through the frame stand column, and four corners of the lower end of partition layer frame are equipped with walking wheels, and the upper distribution box is fixed on the upper box fixed layer frame, and the lower distribution box is fixed on the partition layer frame, and the circuit breaker and air switch are equipped with multiple, and multiple circuit breaker and air switch are divided into two groups and are arranged on the front and back of the upper distribution box, and the isolation voltage stabilizer is arranged in the lower distribution box, and the upper end surface and the lower end surface of the upper distribution box are equipped with ceramic wire holder, and the power supply line is sequentially connected with the incoming line end of the isolation voltage stabilizer, the circuit breaker and the air switch, and the power consumption side cable is electrically connected with the outgoing line end of the air switch.
[0005] The upper box fixed layer frame and partition layer frame are all rectangular, four corners of the upper box fixed layer frame and four corners of the partition layer frame are connected through 4 frame stand columns, and the 4 frame stand columns are inclinedly arranged, and the center extension lines of the 4 frame stand columns intersect at a point on the top thereof.
[0006] The upper distribution box is equipped with L-shaped stand, U-shaped rail and ceramic isolation plate, and three L-shaped stands are arranged on the two side walls in the upper distribution box, the ceramic isolation plate is fixed on the two L-shaped stands in the middle, a plurality of U-shaped rails are fixed on the two side L-shaped stands in parallel, and the circuit breaker and air switch are fixed on the U-shaped rails.
[0007] The bottom end face of the upper distribution box is equipped with two upper box incoming line holes, one side of the top end face of the upper distribution box is equipped with an upper box outgoing line hole, the bottom of the lower distribution box is equipped with a lower box power supply access hole, the top of the lower distribution box is equipped with two lower box power supply outgoing holes, and the lower box power supply outgoing hole and the upper box incoming line hole correspond to each other.
[0008] The ceramic wire harness frame comprises: an upper ceramic wire harness frame and a lower ceramic wire harness frame; the upper ceramic wire harness frame is fixed at an outlet hole of an upper box body; two power outlet holes of a lower box body and two inlet holes of an upper box body are connected and fixed through the lower ceramic wire harness frame; two upper wire-through grooves are arranged on the upper ceramic wire harness frame; wire harness flanges are arranged on the two side walls of each upper wire-through groove; two lower wire-through grooves are arranged below the lower ceramic wire harness frame, and the structures of the two lower wire-through grooves are same as that of the upper wire-through groove; a wire clamp frame is arranged above the lower ceramic wire harness frame; one side of the wire clamp frame is a closed side plate, and a hooking clamp is arranged on the other side of the wire clamp frame; a wire drawing gap is arranged between the hooking clamps; and a cable can be drawn out from the wire drawing gap.
[0009] The technical scheme provides a temporary low-voltage bypass branch box with a frame circuit breaker, which comprises a walking frame, an upper distribution box, a lower distribution box, circuit breakers, air switches, an isolation voltage stabilizer and ceramic wire harness frames. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 Fig. 1 is a whole schematic view of the temporary low-voltage bypass branch box with a frame circuit breaker according to the present application;
[0011] Figure 2 Fig. 2 is a front side view of the internal structure of the temporary low-voltage bypass branch box with a frame circuit breaker according to the present application;
[0012] Figure 3 Fig. 3 is a rear side view of the internal structure of the temporary low-voltage bypass branch box with a frame circuit breaker according to the present application;
[0013] Figure 4 Fig. 4 is a partial enlarged view of the internal structure of the temporary low-voltage bypass branch box with a frame circuit breaker according to the present application;
[0014] Figure 5 Fig. 5 is a structural schematic view of the upper ceramic wire harness frame of the temporary low-voltage bypass branch box with a frame circuit breaker according to the present application;
[0015] Figure 6It is the lower ceramic bundle frame structure schematic diagram of the utility model discloses a kind of temporary low-voltage bypass branch box of frame circuit breaker.
[0016] In the drawing: 1, walking frame, 11, upper box fixed layer frame, 12, layer frame, 13, walking wheel, 14, frame upright column, 2, upper distribution box, 211, front cabinet door, 212, rear cabinet door, 22, L-shaped stand, 23, U-shaped steel rail, 24, ceramic isolation plate, 3, lower distribution box, 31, detection door, 4, circuit breaker, 5, air switch, 6, isolation voltage stabilizer, 71, upper ceramic bundle frame, 711, upper threading groove, 712, upper line frame bundle flange, 72, lower ceramic bundle frame, 721, lower threading groove, 722, wire clamp frame, 7221, hook clamp. DETAILED DESCRIPTION
[0017] The technical solutions will be further clearly and completely described below in combination with the drawings of the technical solutions, and the described embodiments are only a part of the technical solutions, not all the embodiments, and all other embodiments obtained by those skilled in the art without creative labor based on the technical solutions belong to the protection scope of the utility model. EMBODIMENT
[0018] Referring to Figures 1 to 6 As shown in the drawing, a kind of temporary low-voltage bypass branch box of frame circuit breaker, it includes: walking frame 1, upper distribution box 2, lower distribution box 3, circuit breaker 4, air switch 5, isolation voltage stabilizer 6, ceramic bundle frame;
[0019] The upper end of the walking frame 1 is provided with the upper box fixed layer frame 11;Walking frame 1 middle part is equipped with layer frame 12;The four corners of the lower end of layer frame 12 are equipped with walking wheel 13;
[0020] The upper distribution box 2 is fixed on the upper box fixed layer frame 11;Lower distribution box 3 is fixed on layer frame 12;
[0021] The upper box fixed layer frame 11 and layer frame 12 are all rectangular;
[0022] The four corners of the upper box fixed layer frame 11 and the four corners of layer frame 12 are connected by 4 frame upright columns 14;4 frame upright columns 14 are inclined to set, and the center extension line of 4 frame upright columns 14 intersects at a point on its top;That is, the width (length and width) of the upper box fixed layer frame 11 is greater than the width (length and width) of layer frame 12;
[0023] The outer side of the upper distribution box 2 is equipped with cabinet door at both ends;Cabinet door is divided into front cabinet door 211 and rear cabinet door 212;Front cabinet door 211 and rear cabinet door 212 are both equipped with door lock;
[0024] The upper distribution box 2 is internally provided with L-shaped stands 22, U-shaped rails 23 and ceramic isolation plates 24.
[0025] The two side walls inside the upper distribution box 2 are provided with a plurality of L-shaped stands 22; the plurality of U-shaped rails 23 are horizontally placed, and the two ends of the U-shaped rails 23 are fixed on the L-shaped stands 22 in a threaded locking connection mode; the front cabinet door 211 side and the rear cabinet door 212 side are both provided with a plurality of horizontally arranged U-shaped rails 23; the ceramic isolation plate 24 is arranged between the two U-shaped rails 23, and the two side ends of the ceramic isolation plate 24 are fixed on the L-shaped stands 22; that is, three L-shaped stands 22 are arranged on each of the two side walls inside the upper distribution box 2; the ceramic isolation plate 24 is fixed on the two L-shaped stands 22 in the middle, and a plurality of U-shaped rails 23 are fixed in parallel on the two L-shaped stands 22 on the sides.
[0026] The circuit breaker 4 and the air switch 5 are provided in multiple groups, and each group of the circuit breaker 4 and the air switch 5 is fixed on the U-shaped rail 23.
[0027] The front and rear sides of the upper distribution box 2 are both provided with the circuit breaker 4 and the air switch 5; the two sides of the circuit breaker 4 and the air switch 5 can be adaptively connected to two groups of electrical terminal ends.
[0028] The air switch 5 is provided in multiple groups, and the multiple air switches 5 are all air switches, which are divided into three-phase air switches 5 and two-wire air switches 5.
[0029] The bottom end surface of the upper distribution box 2 is provided with two upper box wire inlet holes; and one side of the top end surface of the upper distribution box 2 is provided with an upper box wire outlet hole.
[0030] The bottom of the lower distribution box 3 is provided with a lower box power input hole; the top of the lower distribution box 3 is provided with two lower box power output holes; the lower box power output holes correspond to the upper box wire inlet holes.
[0031] The two sides of the lower distribution box 3 are both provided with detection doors 31.
[0032] The isolation voltage stabilizer 6 is fixed in the lower distribution box 3.
[0033] The ceramic wire holder includes an upper ceramic wire holder 71 and a lower ceramic wire holder 72.
[0034] The upper ceramic wire holder 71 is fixed at the upper box wire outlet hole; the two lower box power output holes and the two upper box wire inlet holes are fixed and connected through the lower ceramic wire holder 72.
[0035] The upper ceramic wire holder 71 is provided with two upper and lower through upper wire slots 711; the two side walls of each upper wire slot 711 are both provided with an upper wire rack wire flange 712.
[0036] The lower ceramic beam wire frame 72 is provided with two lower wire-through slots 721, which have the same structure as the upper wire-through slots 711; the upper ceramic beam wire frame 72 is provided with a wire clamp frame 722; one side of the clamp frame 722 is a closed side plate, and the other side of the clamp frame 722 is provided with a hook clamp 7221; the hook clamps 7221 are provided with a wire drawing gap therebetween; the cable can be drawn out from the wire drawing gap.
[0037] The isolating voltage stabilizer 6 is provided with a voltage stabilizer cable access end and a voltage stabilizer cable exit end; the power supply line is inserted from the lower box body power supply access hole, the voltage stabilizer cable exit end and the incoming line end of the circuit breaker 4 are electrically connected through the power supply cable; the outgoing line end of the circuit breaker 4 and the incoming line end of the air switch 5 are electrically connected through the power supply cable; the cable of the power consumption side enters from the upper box body outgoing line hole of the upper distribution box 2, and the cable of the power consumption side is electrically connected with the outgoing line end of the air switch 5.
Claims
1. A temporary low voltage bypass box with frame circuit breaker comprising: The utility model relates to a kind of power distribution cabinet, including walking frame (1), upper distribution box (2), lower distribution box (3), circuit breaker (4), air switch (5), isolation voltage stabilizer (6), ceramic wire frame;Its characterized in that: the upper end of walking frame (1) is equipped with upper box fixed layer frame (11);Walking frame (1) middle part is equipped with partition frame (12);Upper box fixed layer frame (11) and partition frame (12) are connected by frame column (14);Four corners of the lower end of partition frame (12) are equipped with walking wheel (13);Upper distribution box (2) is fixed on upper box fixed layer frame (11);Lower distribution box (3) is fixed on partition frame (12);Circuit breaker (4) and air switch (5) are equipped with multiple, multiple circuit breaker (4) and air switch (5) are divided into two groups and are arranged on the front and rear sides of upper distribution box (2);Isolation voltage stabilizer (6) is arranged in lower distribution box (3);The upper end surface and lower end surface of upper distribution box (2) are equipped with ceramic wire frame;Power supply line is sequentially connected by the incoming end of isolation voltage stabilizer (6), circuit breaker (4) and air switch (5);Electricity side cable is electrically connected with the outgoing end of air switch (5).
2. The framed circuit breaker temporary low voltage bypass branch box of claim 1, wherein: The upper end surface and lower end surface of upper distribution box (2) are equipped with ceramic wire frame;Power supply line is sequentially connected by the incoming end of isolation voltage stabilizer (6), circuit breaker (4) and air switch (5);Electricity side cable is electrically connected with the outgoing end of air switch (5).
3. The framed circuit breaker temporary low voltage bypass branch box of claim 2, wherein: The utility model relates to a kind of power distribution cabinet, including walking frame (1), upper distribution box (2), lower distribution box (3), circuit breaker (4), air switch (5), isolation voltage stabilizer (6), ceramic wire frame;Its characterized in that: the upper end of walking frame (1) is equipped with upper box fixed layer frame (11);Walking frame (1) middle part is equipped with partition frame (12);Upper box fixed layer frame (11) and partition frame (12) are connected by frame column (14);Four corners of the lower end of partition frame (12) are equipped with walking wheel (13);Upper distribution box (2) is fixed on upper box fixed layer frame (11);Lower distribution box (3) is fixed on partition frame (12);Circuit breaker (4) and air switch (5) are equipped with multiple, multiple circuit breaker (4) and air switch (5) are divided into two groups and are arranged on the front and rear sides of upper distribution box (2);Isolation voltage stabilizer (6) is arranged in lower distribution box (3);The upper end surface and lower end surface of upper distribution box (2) are equipped with ceramic wire frame;Power supply line is sequentially connected by the incoming end of isolation voltage stabilizer (6), circuit breaker (4) and air switch (5);Electricity side cable is electrically connected with the outgoing end of air switch (5).
4. The framed circuit breaker temporary low voltage bypass branch box of claim 3, wherein: The upper end surface and lower end surface of upper distribution box (2) are equipped with ceramic wire frame;Power supply line is sequentially connected by the incoming end of isolation voltage stabilizer (6), circuit breaker (4) and air switch (5);Electricity side cable is electrically connected with the outgoing end of air switch (5).
5. The framed circuit breaker temporary low voltage bypass branch box of claim 4, wherein: The ceramic beam frame comprises an upper ceramic beam frame (71) and a lower ceramic beam frame (72); the upper ceramic beam frame (71) is fixed at an outlet hole of an upper box body; two power outlet holes of a lower box body and two inlet holes of the upper box body are connected and fixed through the lower ceramic beam frame (72); two upper through-threading grooves (711) are arranged on the upper ceramic beam frame (71); upper wire frame beam flanges (712) are arranged on both sides of each upper through-threading groove (711); two lower through-threading grooves (721) are arranged below the lower ceramic beam frame (72), and the two lower through-threading grooves (721) have the same structure as that of the upper through-threading grooves (711); a wire clamp frame (722) is arranged above the lower ceramic beam frame (72); one side of the clamp frame (722) is a closed side plate, the other side of the clamp frame (722) is provided with a hooking clamp (7221), and the hooking clamps (7221) are provided with a wire drawing gap; a cable can be drawn out from the wire drawing gap.