Combined transformer and wiring device

Abstract

The utility model relates to a wiring device relates to electric power equipment technical field, including insulation sheath and cable fixing part, cable fixing part sets up in insulation sheath, insulation sheath includes lower mounting sleeve, upper mounting sleeve and connecting sleeve, upper mounting sleeve and lower mounting sleeve alignment and fit setting, connecting sleeve installs in the top of lower mounting sleeve and upper mounting sleeve after sticking together, cable fixing part includes fixed part, resistance piece, press piece and locking assembly, fixed part sets up in the horizontal intermediate position of upper mounting sleeve and lower mounting sleeve, and fixed part includes cable placement end and connecting end, cable placement end is perpendicular with connecting end, and cable placement end is located in the top position of upper mounting sleeve and lower mounting sleeve, resistance piece sets up in cable placement end, press piece fixed setting is on connecting sleeve, one end of locking assembly passes through cable placement end and is connected with resistance piece, and the other end is movably connected with upper mounting sleeve and lower mounting sleeve, locking assembly can push resistance piece and move, has improved work efficiency on the basis of safety, and the use is wide. The application also provides a combined transformer.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power equipment, in particular to a combined transformer and wiring device. BACKGROUND

[0002] The people's electric power company has always been the working tenet and criterion of State Grid Power Supply Company to provide power for the people, and to ensure that users have less or no power outage, and use electricity properly. For example, to ensure uninterrupted power supply for high school entrance examination sites, during the high school entrance examination, State Grid Power Supply Company staff put emergency power supply vehicles at each examination site, connect the emergency power supply vehicles with transformers near the examination sites, and provide power for the examination sites by the emergency power supply vehicles after the main line fails, so as to realize uninterrupted power supply and ensure that the examination site power supply and monitoring power supply are not affected.

[0003] On the day before the high school entrance examination, the power is cut off first, the emergency power supply vehicle is electrically connected with the transformer by using a wire, and then the power is turned on, and after the high school entrance examination is over, the power is cut off again, the emergency power supply vehicle is disconnected with the transformer, and the transformer is restored to power on. It is time-consuming and laborious to do so, and frequent power outages reduce the quality of power supply services. SUMMARY

[0004] Therefore, it is necessary to provide a combined transformer capable of being quickly connected with an emergency power supply vehicle.

[0005] It is also necessary to provide a wiring device.

[0006] The utility model provides a combined transformer, including low voltage circuit breaker, low voltage total knife switch and wiring device which are arranged in the low pressure chamber of combined transformer, low voltage circuit breaker is electrically connected with low voltage total knife switch through cable, low voltage total knife switch is also electrically connected with wiring device through cable to be electrically connected with the power supply of outside protection electricity through wiring device, wiring device includes insulation sheath and cable fixing part, cable fixing part is arranged in insulation sheath, insulation sheath includes lower mounting sleeve, upper mounting sleeve and connecting sleeve, upper mounting sleeve is arranged with lower mounting sleeve alignment and fits, forms the cavity of installing cable fixing part, connecting sleeve is installed in the top of lower mounting sleeve and upper mounting sleeve after fitting, and connecting sleeve can slide along the top of lower mounting sleeve and upper mounting sleeve horizontally, and can be disassembled, cable fixing part includes fixing piece, resistance piece, pressing piece and locking assembly, fixing piece is arranged in the horizontal intermediate position of upper mounting sleeve and lower mounting sleeve, and fixing piece includes cable placement end and connecting end for the quick electrical connection with the power supply of protection electricity, cable placement end is perpendicular with connecting end, and cable placement end is located in the top position of upper mounting sleeve and lower mounting sleeve, resistance piece is arranged in cable placement end, pressing piece is fixedly arranged on connecting sleeve, one end of locking assembly is connected with resistance piece through cable placement end, and the other end is movably connected with upper mounting sleeve and lower mounting sleeve, locking assembly can push resistance piece to move.

[0007] A wiring device, comprising an insulation sheath and a cable fixing part, the cable fixing part is arranged in the insulation sheath, the insulation sheath includes a lower mounting sleeve, an upper mounting sleeve and a connecting sleeve, the upper mounting sleeve is arranged with the lower mounting sleeve alignment and fits, forming a cavity for installing the cable fixing part, the connecting sleeve is installed in the top of the lower mounting sleeve and the upper mounting sleeve after fitting, and the connecting sleeve can slide along the top of the lower mounting sleeve and the upper mounting sleeve horizontally, and can be disassembled, the cable fixing part includes a fixing piece, a resistance piece, a pressing piece and a locking assembly, the fixing piece is arranged in the horizontal intermediate position of the upper mounting sleeve and the lower mounting sleeve, and the fixing piece includes a cable placement end and a connecting end, the cable placement end is perpendicular with the connecting end, and the cable placement end is located in the top position of the upper mounting sleeve and the lower mounting sleeve, the resistance piece is arranged in the cable placement end, the pressing piece is fixedly arranged on the connecting sleeve, one end of the locking assembly is connected with the resistance piece through the cable placement end, and the other end is movably connected with the upper mounting sleeve and the lower mounting sleeve, the locking assembly can push the resistance piece to move.

[0008] Preferably, the edge of the upper mounting sleeve is provided with a closed groove, the edge of the lower mounting sleeve is provided with a closed protrusion, and the closed protrusion can be inserted into the closed groove to close the edges of the upper mounting sleeve and the lower mounting sleeve.

[0009] Preferably, the top end edges of the upper mounting sleeve and the lower mounting sleeve are respectively provided with sliding rails.

[0010] Preferably, the bottom edge of the connecting sleeve is provided with a sliding groove.

[0011] Preferably, the sliding rails on the upper mounting sleeve and the lower mounting sleeve are inserted into the sliding groove on the connecting sleeve, so that the connecting sleeve can slide on the top end of the upper mounting sleeve and the lower mounting sleeve.

[0012] Preferably, the locking assembly comprises a push rod, a first connecting rod, a second connecting rod and a push handle, the push rod is arranged on the lower mounting sleeve, one end of the push rod passes through the cable placement end of the fixing member and is connected with the abutting piece, the other end of the push rod is hingedly connected with one end of the first connecting rod, one end of the second connecting rod is hingedly connected with the other end of the first connecting rod, and the second connecting rod is movably connected with the lower mounting sleeve, one end of the push handle is fixedly connected with the other end of the second connecting rod, the push handle drives the second connecting rod and the first connecting rod to move, the first connecting rod drives the push rod to move, and the push rod drives the abutting piece to move.

[0013] Preferably, a handle fixing member is arranged on the lower mounting sleeve and is arranged in parallel with the push handle.

[0014] Preferably, an embedded groove and a handle clamping member are arranged on the handle fixing member, the embedded groove is opposite to the push handle, and the handle clamping member is arranged on both sides of the embedded groove.

[0015] Preferably, an elastic member is sleeved on the push rod, the elastic member is located on the lower mounting sleeve, and the movement of the push rod can drive the elastic member to be compressed.

[0016] Preferably, a grounding connecting member is further arranged on the connecting end of the fixing member.

[0017] The above technical scheme has the following beneficial effects: the cable is mounted on the top end of the insulating sleeve, that is, between the abutting piece and the pressing piece, and the abutting piece and the pressing piece are indirectly pushed close to each other by the push handle, so that the cable is fixed, the pressing piece is arranged in the connecting sleeve, and the connecting sleeve is detachable, which is more convenient for the installation and fixation of the cable, the locking assembly is easy to operate, the cable can be quickly fixed and quickly loosened, the flexibility is high, and the working efficiency is improved on the basis of safety;

[0018] The grounding connecting member is arranged in the device for connecting the grounding wire, which is convenient and efficient, the connecting end of the fixing member can be directly connected with the mobile power supply vehicle, so that the socket end of the mobile power supply vehicle does not need to be connected with the cable, the connection process is reduced, the use of the device is more extensive, and the operation is more convenient when the mobile power supply vehicle is connected. Attached Figure Description

[0019] Figure 1 This is a schematic diagram showing the functional module connections of the combined transformer in this application.

[0020] Figure 2 for Figure 1 A schematic diagram of the wiring device.

[0021] Figure 3 for Figure 2 Exploded view of the wiring device.

[0022] Figure 4 for Figure 2 A schematic diagram of the structure of the lower mounting sleeve and cable fixing assembly of the middle wiring device.

[0023] Figure 5 for Figure 3 A schematic diagram of the upper mounting sleeve.

[0024] Figure 6 for Figure 4 A structural diagram from another perspective.

[0025] In the diagram: Insulating jacket 1, lower mounting sleeve 11, closed protrusion 111, handle fixing component 112, embedded groove 1121, handle clamping component 1122, upper mounting sleeve 12, closed groove 121, slide rail 122, connecting sleeve 13, slide groove 131, cable fixing component 2, fixing component 21, cable placement end 211, connecting end 212, grounding connector 2121, abutment 22, pressure plate 23, locking assembly 24, push rod 241, elastic component 2411, first connecting rod 242, second connecting rod 243, push handle 244. Detailed Implementation

[0026] This application provides a combined transformer; please refer to [link / reference]. Figure 1 The combined transformer includes a wiring device, a low-voltage circuit breaker, and a low-voltage main disconnect switch, all located in the low-voltage compartment. The low-voltage circuit breaker is electrically connected to the low-voltage main disconnect switch via cables, and the low-voltage main disconnect switch is also electrically connected to the wiring device via cables, enabling rapid electrical connection to an external emergency power supply vehicle. This wiring device not only allows for uninterrupted power supply access but also provides grounding functionality when the combined transformer is being maintained by connecting it to a grounding wire.

[0027] Please refer to Figures 2 to 6 The wiring device includes an insulating jacket 1 and a cable fixing component 2.

[0028] The cable fixing component 2 is arranged in the insulating outer cover 1, the insulating outer cover 1 comprises a lower mounting sleeve 11, an upper mounting sleeve 12 and a connecting sleeve 13, the upper mounting sleeve 12 is arranged in alignment with the lower mounting sleeve 11 to form a cavity for mounting the cable fixing component 2, the connecting sleeve 13 is mounted on the top of the lower mounting sleeve 11 and the upper mounting sleeve 12 after being attached, and the connecting sleeve 13 can slide horizontally along the top of the lower mounting sleeve 11 and the upper mounting sleeve 12 and can be detached, the cable fixing component 2 comprises a fixing piece 21, a pressing piece 23, a locking assembly 24 and a pressing piece 23, the fixing piece 21 is arranged at a horizontal intermediate position of the upper mounting sleeve 12 and the lower mounting sleeve 11, and the fixing piece 21 comprises a cable placing end 211 and a connecting end 212, the cable placing end 211 is perpendicular to the connecting end 212, and the cable placing end 211 is located at the top of the upper mounting sleeve 12 and the lower mounting sleeve 11, the pressing piece 23 is fixedly arranged on the connecting sleeve 13, one end of the locking assembly 24 is connected with the pressing piece 22 through the cable placing end 211, and the other end is movably connected with the upper mounting sleeve 12 and the lower mounting sleeve 11, and the locking assembly 24 can push the pressing piece 22 to move.

[0029] When installing the device, the outer sheath of the cable is peeled off to expose the cable core, and then the cable core is placed on the cable placing end of the fixing piece 21, and the cable is located on the pressing piece 22, wherein the cable placing end and the pressing piece 22 are both semicircular arcs, which facilitates the placement of the cable, after the cable is placed, the connecting sleeve 13 is mounted on the top of the upper mounting sleeve 12 and the lower mounting sleeve 11, the cable is wrapped by the pressing piece 23 in the connecting sleeve 13 and the cable placing end of the fixing piece 21, and then the pressing piece 22 is pushed by the locking assembly 24 to further fix the cable, that is, the pressing piece 22 and the pressing piece 23 wrap and fix the cable, and the connecting sleeve 13 and the pressing piece 23 are also semicircular arcs, and the connecting sleeve 13 is connected with the top of the lower mounting sleeve 11 and the upper mounting sleeve 12, wherein the pressing piece 23, the pressing piece 22 and the fixing piece 21 are all made of conductive material.

[0030] Further, the connecting end 212 of the fixing piece 21 can allow the plug of the mobile power supply vehicle to be directly inserted, which facilitates the connection of the mobile power supply vehicle and increases the use range.

[0031] Further, the upper mounting sleeve 12 is provided with a closed groove 121 at the edge, the lower mounting sleeve 11 is provided with a closed protrusion 111 at the edge, and the closed protrusion 111 can be inserted into the closed groove 121 to close the edges of the upper mounting sleeve 12 and the lower mounting sleeve 11.

[0032] In order to make the insulation outer cover 1 have better sealing, and make the upper mounting sleeve 12 and the lower mounting sleeve 11 connect more stably, the closed groove 121 and the closed protrusion 111 are arranged at the edges of the upper mounting sleeve 12 and the lower mounting sleeve 11 respectively, when the upper mounting sleeve 12 and the lower mounting sleeve 11 are assembled together, the closed protrusion 111 can be inserted into the closed groove 121, not only making the upper mounting sleeve 12 and the lower mounting sleeve 11 fit more firmly, but also facilitating the edges of the upper mounting sleeve 12 and the lower mounting sleeve 11 to align during installation, improving the installation efficiency.

[0033] Further, the top edges of the upper mounting sleeve 12 and the lower mounting sleeve 11 are respectively provided with slide rails 122.

[0034] Further, the bottom edge of the connecting sleeve 13 is provided with a sliding groove 131.

[0035] Further, the slide rails 122 on the upper mounting sleeve 12 and the lower mounting sleeve 11 are inserted into the sliding groove 131 on the connecting sleeve 13, so that the connecting sleeve 13 can slide at the top of the upper mounting sleeve 12 and the lower mounting sleeve 11.

[0036] In order to facilitate the simple and convenient installation of the connecting sleeve 13 after the cable is installed, the slide rails 122 and the sliding grooves 131 are arranged on the upper mounting sleeve 12, the lower mounting sleeve 11 and the connecting sleeve 13 respectively, after the cable is installed, the sliding groove 131 at the bottom of the connecting sleeve 13 is aligned with the slide rails 122 on the upper mounting sleeve 12 and the lower mounting sleeve 11, the connecting sleeve 13 is slid until the end face of the connecting sleeve 13 is aligned with the end faces of the upper mounting sleeve 12 and the lower mounting sleeve 11, and the connecting sleeve 13 can also make the top edges of the upper mounting sleeve 12 and the lower mounting sleeve 11 fit more firmly.

[0037] Further, the locking assembly 24 includes a push rod 241, a first connecting rod 242, a second connecting rod 243 and a push handle 244, the push rod 241 is arranged on the lower mounting sleeve 11, one end of the push rod 241 passes through the cable placing end 211 of the fixing piece 21 and is connected with the abutting piece 22, the other end is hingedly connected with one end of the first connecting rod 242, one end of the second connecting rod 243 is hingedly connected with the other end of the first connecting rod 242, and the second connecting rod 243 is also movably connected with the lower mounting sleeve 11, one end of the push handle 244 is fixedly connected with the other end of the second connecting rod 243, the push handle 244 drives the second connecting rod 243 and the first connecting rod 242 to move, and then the first connecting rod 242 drives the push rod 241 to move, and the push rod 241 drives the abutting piece 22 to move.

[0038] When the cable is between the abutting piece 22 and the pressing piece 23, the abutting piece 22 is pushed to move close to the pressing piece 23 by the pushing rod 241, so as to clamp the cable between the abutting piece 22 and the pressing piece 23, wherein the pushing rod 241 is driven by the first connecting rod 242, the first connecting rod 242 is driven by the second connecting rod 243, and the second connecting rod 243 is driven by the pushing handle 244, that is, the abutting piece 22 can be directly displaced by pulling the pushing handle 244.

[0039] Further, the handle fixing part 112 is arranged on the lower mounting sleeve 11 and is arranged in parallel with the pushing handle 244, and the pushing handle 244 and the handle fixing part 112 are held by hands during use, so as to pull the pushing handle 244 to move.

[0040] Further, the embedded groove 1121 and the handle clamping part 1122 are arranged on the handle fixing part 112, the embedded groove 1121 is opposite to the pushing handle 244, the handle clamping part 1122 is arranged on both sides of the embedded groove 1121, and the handle clamping part 1122 is arc-shaped and has a certain elasticity, so as to clamp the pushing handle 244, and the minimum distance between the handle clamping part 1122 is less than the maximum diameter of the pushing handle 244.

[0041] When the pushing handle 244 drives the first connecting rod 242 and the second connecting rod 243 to move and drives the pushing rod 241 to move, the pushing rod 241 pushes the abutting piece 22 to move and clamps the cable by the abutting piece 22 and the pressing piece 23, wherein the pushing handle 244 is embedded into the groove by the handle fixing part 112 and is clamped by the handle clamping part 1122, so as to fix the pushing rod 241 after clamping the cable, that is, to fix the pushing handle 244, the pushing handle 244 is embedded into the groove by the handle clamping part 1122 under the force, and the handle clamping part 1122 can clamp the pushing handle 244 without external force, because the distance between the handle clamping part 1122 is less than the diameter of the pushing handle 244.

[0042] Further, the elastic part 2411 is sleeved on the pushing rod 241 and is located on the lower mounting sleeve 11, and the pushing rod 241 moves to drive the elastic part 2411 to compress, and the abutting piece 22 is released when the cable is taken out, that is, the pushing rod 241 moves backward, wherein the elastic part 2411 can facilitate the resetting of the pushing rod 241 and the abutting piece 22.

[0043] Further, the connecting end 212 of the fixing part 21 is further provided with the grounding connecting part 2121, the grounding wire is conveniently connected, the opening is arranged on the lower mounting sleeve 11, the grounding connecting part 2121 is located in the opening, the closing cover is arranged at the opening, the grounding wire is connected when the closing cover is opened, and the closing cover is closed at the opening when the grounding wire is disconnected, so as to form protection.

[0044] The above disclosure is merely the preferred embodiments of the present application and is not intended to limit the scope of the present application. Those skilled in the art can understand that all or part of the processes described above can be implemented, and equivalent changes can be made according to the claims of the present application, which are still within the scope of the present application.

Claims

1. A wiring device, characterized by: The cable fixing device comprises an insulation sheath and a cable fixing component arranged in the insulation sheath. The insulation sheath comprises a lower mounting sleeve, an upper mounting sleeve and a connecting sleeve. The upper mounting sleeve is arranged in alignment with the lower mounting sleeve to form a cavity for mounting the cable fixing component. The connecting sleeve is mounted on the top of the lower mounting sleeve and the upper mounting sleeve after being arranged in alignment. The connecting sleeve can slide horizontally along the top of the lower mounting sleeve and the upper mounting sleeve and can be detached. The cable fixing component comprises a fixing member, a pressing piece, a locking assembly and a resisting piece. The fixing member is arranged at a horizontal intermediate position of the upper mounting sleeve and the lower mounting sleeve. The fixing member comprises a cable placing end and a connecting end. The cable placing end is perpendicular to the connecting end. The cable placing end is located at the top of the upper mounting sleeve and the lower mounting sleeve. The resisting piece is arranged on the cable placing end. The pressing piece is fixedly arranged on the connecting sleeve. One end of the locking assembly is connected with the resisting piece through the cable placing end. The other end of the locking assembly is movably connected with the upper mounting sleeve and the lower mounting sleeve. The locking assembly can push the resisting piece to move.

2. The wiring device of claim 1, wherein: The edge of the upper mounting sleeve is provided with a closed groove. The edge of the lower mounting sleeve is provided with a closed protrusion. The closed protrusion can be inserted into the closed groove to close the edges of the upper mounting sleeve and the lower mounting sleeve.

3. The wiring device of claim 1, wherein: The top edge of the upper mounting sleeve and the top edge of the lower mounting sleeve are respectively provided with sliding rails.

4. The wiring device of claim 3, wherein: The bottom edge of the connecting sleeve is provided with a sliding groove.

5. The wiring device of claim 4, wherein: The sliding rails on the upper mounting sleeve and the lower mounting sleeve are inserted into the sliding groove on the connecting sleeve, so that the connecting sleeve can slide at the top of the upper mounting sleeve and the lower mounting sleeve.

6. The wiring device of claim 1, wherein: The locking assembly comprises a pushing rod, a first connecting rod, a second connecting rod and a pushing handle. The pushing rod is arranged on the lower mounting sleeve. One end of the pushing rod passes through the cable placing end of the fixing member and is connected with the resisting piece. The other end of the pushing rod is hingedly connected with one end of the first connecting rod. One end of the second connecting rod is hingedly connected with the other end of the first connecting rod. The second connecting rod is movably connected with the lower mounting sleeve. One end of the pushing handle is fixedly connected with the other end of the second connecting rod. The pushing handle drives the second connecting rod and the first connecting rod to move. The first connecting rod pushes the pushing rod to move. The pushing rod pushes the resisting piece to move.

7. The wiring device of claim 6, wherein: The lower mounting sleeve is provided with a handle fixing member which is arranged in parallel with the pushing handle.

8. The wiring device of claim 7, wherein: The handle fixing member is provided with an embedding groove and a handle clamping member. The embedding groove is opposite to the pushing handle. The handle clamping member is arranged on both sides of the embedding groove. An elastic member is sleeved on the pushing rod. The elastic member is located on the lower mounting sleeve. The movement of the pushing rod can drive the elastic member to compress.

9. The wiring device of claim 1, wherein: The connecting end of the fixing member is further provided with a grounding connecting member.

10. A combined transformer, characterized by: The switchgear comprises a low-voltage circuit breaker, a low-voltage main switch and the wiring device as claimed in any one of claims 1 to 9, which are arranged in a low-voltage chamber of a combined transformer; the low-voltage circuit breaker is electrically connected to the low-voltage main switch through a cable, and the low-voltage main switch is electrically connected to the wiring device through a cable, so as to be quickly electrically connected to a power supply outside through the wiring device; the connecting end is used for quick electrical connection with the power supply; and the cable placing end is used for fixing the cable drawn from the low-voltage main switch.

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