CN209748146U - Rail mounted minibus distribution equipment - Google Patents

Abstract

the embodiment of the utility model discloses rail mounted minibus distribution equipment relates to the distribution equipment field, and distribution equipment includes: the system comprises a starting end power supply device, at least one section of small bus and at least one tapping unit, wherein the tapping unit is electrically connected with the starting end power supply device through the small bus; the small bus comprises a longitudinally extending shell, a plurality of longitudinally extending insulation pieces and a plurality of longitudinally extending clamp-type copper bars, wherein an insertion hole is formed in the bottom of the shell and extends longitudinally, a plurality of longitudinally extending fixing grooves are formed in the inner surfaces of two side walls of the shell respectively, and the insulation pieces are of groove-shaped structures. By optimizing the structure of the clamp-type copper bar, the contact area between the clamp-type copper bar and the copper plug-in is increased, the temperature of the clamp-type copper bar is prevented from rising in the electrifying process, and the power consumption is reduced; the temperature sensor is arranged to monitor the temperature of the key contact of the small bus, so that the safe operation of the equipment is ensured; through with the external installation of monitoring module, can not need the outage to carry out online maintenance and change when the part damages.

Description

A track-type small bus power distribution equipment

technical field

The embodiment of the utility model relates to the field of power distribution equipment, in particular to a track-type small bus power distribution equipment.

Background technique

As a new power supply and distribution method that replaces the traditional cable power distribution, the small bus power distribution equipment has the following characteristics: 1. It is highly flexible and can take power flexibly according to the demand; 2. It greatly increases Utilization of power space; 3. Long service life, 2-3 times that of traditional cable power distribution methods. However, the existing small busbar power distribution equipment has the problem of small contact area between the copper bars of the small busbar and the branch components, which causes the temperature of the copper bars to rise during the power-on process and increase power loss. In addition, due to the lack of temperature monitoring equipment in the existing small bus power distribution equipment, the temperature of the copper bars cannot be monitored in real time, so the safety is low.

Utility model content

Therefore, the embodiment of the utility model provides a rail-type small bus power distribution equipment to solve the problems of small contact area, high power loss and low safety in the existing small bus power distribution equipment.

In order to achieve the above purpose, an embodiment of the utility model provides a track-type small bus power distribution equipment. The connection unit is electrically connected to the starting power supply device through the small bus bar; the small bus bar includes a longitudinally extending shell, a plurality of longitudinally extending insulators and a plurality of longitudinally extending clip-type copper bars, the shell The cross section of the body is rectangular, the upper surface of the top of the housing is provided with a first card slot extending longitudinally, the bottom of the housing is provided with an insertion port extending longitudinally, and the inner walls of the two side walls of the housing The surface is respectively provided with a plurality of fixing grooves extending in the longitudinal direction, the insulator has a groove structure, and the plurality of insulators are respectively embedded in the plurality of the fixing grooves, and the plurality of clip-type copper bars are respectively embedded in the Inside the plurality of insulators; the clip-type copper bar includes a fixing part extending longitudinally and two contact parts parallel to each other and extending longitudinally, the fixing part is in a groove structure, and the two side walls of the fixing part The edges of the two connecting parts are bent inwardly to form a connecting part, the sides of the two connecting parts away from the fixed part are respectively connected to one side of the two contact parts, and the other sides of the two contact parts The guiding parts are formed by bending outwards respectively.

Further, the lower surface of the top of the housing is provided with a positioning groove extending in the longitudinal direction.

Further, the lower surface of the bottom of the housing is provided with a second slot extending longitudinally.

Further, the inner surface of the insulating member is provided with a plurality of ribs extending in the longitudinal direction at intervals.

Further, the tap unit includes a tap unit box body, a plug, at least one temperature sensor, at least one power distribution socket, a monitoring module and a first circuit breaker, and the plug is arranged on the top of the tap unit box body , the two sides of the plug are respectively provided with a plurality of copper inserts, the monitoring module and the first circuit breaker are respectively installed outside the box body of the tap unit, the first circuit breaker is respectively connected to the copper inserts, The power distribution socket is electrically connected to the monitoring module, the temperature sensor is electrically connected to the monitoring module, and the temperature sensor is used to measure the temperature change of the copper insert.

Further, the track-type small busbar power distribution equipment also includes at least one small busbar connection assembly, and the small busbar connection assembly includes two connecting copper bar plates, an upper connecting piece and a lower connecting piece, and the two connecting copper bar The boards are arranged in parallel and at intervals in the shells of two adjacent sections of the small bus bars, and the sides of the two connecting copper bar boards are respectively provided with a plurality of copper sheets, and the two ends of the copper sheets are respectively clamped on the In the clip-type copper bars of the two adjacent sections of the small busbars, the two ends of the upper connectors are respectively clamped in the first slots of the two adjacent sections of the small busbars, and the upper surface of the lower connectors At least one positioning column is provided, and the two ends of the lower connector are respectively clamped in the second slots of the two adjacent sections of the small bus bar, and the positioning column is against the connection between the two connecting copper bars between.

The embodiment of the utility model has the following advantages: the track-type small bus power distribution equipment in the embodiment of the utility model increases the contact area between the clamp-type copper bar and the copper insert by optimizing the structure of the clamp-type copper bar, avoiding the clamp-type copper bar During the power-on process, the temperature rises to reduce power consumption; the temperature sensor is set to monitor the temperature of the key contacts of the small bus to ensure the safe operation of the equipment.

Description of drawings

In order to more clearly illustrate the implementation of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the implementation or the prior art. Apparently, the drawings in the following description are only exemplary, and those skilled in the art can also obtain other implementation drawings according to the provided drawings without creative work.

The structures, proportions, sizes, etc. shown in this manual are only used to cooperate with the content disclosed in the manual for the understanding and reading of those who are familiar with this technology, and are not used to limit the limited conditions that the utility model can be implemented, so there is no In technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size shall still fall within the scope of the invention disclosed in the utility model without affecting the effect and purpose of the utility model. within the scope of the technical content.

Fig. 1 is a schematic structural view of the track-type small bus power distribution equipment provided by the embodiment of the utility model;

Fig. 2 is a schematic diagram of the three-dimensional structure of the small busbar provided by the embodiment of the present invention;

Fig. 3 is a schematic diagram of the main structure of the small busbar provided by the embodiment of the present invention;

Fig. 4 is a schematic diagram of the front view structure of the clip-type copper bar provided by the embodiment of the utility model;

Fig. 5 is a schematic diagram of the three-dimensional structure of the tapping unit provided by the embodiment of the present invention;

Fig. 6 is a side view structural schematic diagram of the tapping unit provided by the embodiment of the utility model;

Fig. 7 is a schematic diagram of the main structure of the tapping unit provided by the embodiment of the present invention;

Fig. 8 is a front structural schematic diagram of a branching unit with cables provided by an embodiment of the present invention;

Fig. 9 is a schematic diagram of the installation of the tapping unit provided by the embodiment of the present invention;

Figure 10 is a schematic diagram of the connection between the temperature sensor and the copper insert provided by the embodiment of the present invention;

Fig. 11 is a schematic structural diagram of the small bus connection assembly provided by the embodiment of the present invention;

Fig. 12 is the specific circuit diagram of the tapping unit provided by the embodiment of the present invention;

Fig. 13 is a specific circuit diagram of the starting power supply device provided by the embodiment of the present invention.

Explanation of reference signs: 10, starting power supply device; 11, multi-function instrument; 12, second circuit breaker; 13, lightning protection device; 14, shell grounding terminal; 15, starting box; 16, end cover; Lightning protection circuit breaker; 20, small bus bar; 21, housing; 22, insulating piece; 23, clip-type copper bar; 24, first slot; 25, fixed slot; 26, positioning slot; 27, second slot ; 28. Convex; 29. Fixed part; 30. Tapping unit; 31. Connecting part; 32. Contact part; 33. Guide part; 34. Tapping unit box; 35. Plug; 36. Copper insert; , metal shrapnel; 38, temperature sensor; 39, power distribution socket; 40, small bus connection assembly; 41, first circuit breaker; 42, plug positioning protrusion; 43, tap unit fixing piece; 44, butterfly lock 45. Monitoring module; 46. Connecting copper bars; 47. Upper connecting piece; 48. Lower connecting piece; 49. Copper sheet; 50. Positioning column; 51. Installation tool.

Detailed ways

The implementation of the present utility model is illustrated by specific specific examples below. Those who are familiar with this technology can easily understand other advantages and effects of the present utility model from the contents disclosed in this description. Obviously, the described embodiments are the embodiment of the present utility model. Some, but not all, embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figure 1, the track-type small bus power distribution equipment includes: a starting end power supply device 10, at least one section of small bus bar 20 and at least one tap unit 30, and the tap unit 30 is electrically connected to the starting end power supply device 10 through the small bus bar 20; Using the small busbar 20 to connect the power supply device 10 at the starting end and the decomposition unit has the advantages of flexible power taking and long service life.

As shown in Figures 2 and 3, the small busbar 20 includes a longitudinally extending housing 21, a plurality of longitudinally extending insulators 22 and a plurality of longitudinally extending clip-type copper bars 23, the housing 21 is made of aluminum alloy, and has The advantages of high structural strength and easy processing. The cross-section of the housing 21 is rectangular, and the upper surface of the top of the housing 21 is provided with a first card slot 24 extending longitudinally. The first card slot 24 is used for installation and hanging or fastening when splicing two adjacent small busbars 20 . The bottom of the housing 21 is provided with an insertion opening extending longitudinally, and the insertion opening is used for inserting and taking out the plug 35. The inner surfaces of the two side walls of the housing 21 are respectively provided with a plurality of fixing grooves 25 extending longitudinally. One side wall of the middle casing 21 is provided with three fixing grooves 25 , and the other side wall is provided with two fixing grooves 25 , of course, the number of fixing grooves 25 is not limited thereto, and can be set according to needs. The insulator 22 has a groove structure, and the insulator 22 is made of an insulating material. A plurality of insulators 22 are respectively embedded in a plurality of fixing grooves 25 , and a plurality of clip-shaped copper bars 23 are respectively embedded in a plurality of insulators 22 . Further, the lower surface of the top of the housing 21 is provided with a positioning groove 26 extending longitudinally, the end of the housing 21 is fastened with an end cap 16 to seal the end of the housing 21, and the positioning groove 26 is used for connecting with the plug 35 to ensure that the plug 35 is inserted more accurately. Further, the lower surface of the bottom of the housing 21 is provided with a second card slot 27 extending longitudinally, and the second card slot 27 is used for lifting installation or fastening when splicing two adjacent small busbars 20 . Further, the inner surface of the insulator 22 is provided with a plurality of ribs 28 extending longitudinally at intervals, and groove-shaped heat dissipation channels are formed between two adjacent ribs 28. When the clip-type copper bar 23 is energized, the heat dissipation channels can be Strengthen heat dissipation, and avoid safety accidents caused by excessive temperature of the clip-type copper bar 23 .

As shown in Figure 4, the clip-type copper bar 23 includes a fixed part 29 extending longitudinally and two contact parts 32 parallel to each other and extending longitudinally. The inner side is bent to form the connecting portion 31, the sides of the two connecting portions 31 away from the fixing portion 29 are respectively connected to one side of the two contacting portions 32, and the other sides of the two contacting portions 32 are respectively bent outward The guide portion 33 is formed. By optimizing the structure of the clip-type copper bar 23, the contact area between the clip-type copper bar 23 and the copper insert 36 is increased, the temperature of the clip-type copper bar 23 is prevented from rising during power-on, and the power consumption is reduced.

As shown in Figures 5 and 6, the tap unit 30 includes a tap unit box body 34, a plug 35, at least one temperature sensor 38, at least one power distribution socket 39, a monitoring module 45 and a first circuit breaker 41, and the plug 35 is arranged on The top of the tap unit box body 34 and the top of the plug 35 are provided with metal shrapnel 37, which are used for grounding protection when the small busbar 20 is live working, to ensure the safety of operators. Both sides of the plug 35 are respectively provided with a plurality of copper inserts 36, the surface of the copper inserts 36 is plated with silver or tin, and the copper inserts 36 are used to insert into the clip-type copper bar 23, so as to realize the electrical connection between the tap unit 30 and the small busbar 20 . The lower part of the plug 35 is symmetrically provided with a plug positioning protrusion 42, and the plug positioning protrusion 42 is used to cooperate with the second card slot 27 to prevent the plug 35 from being damaged due to incomplete insertion of the plug 35 and the copper plug 36 from being unable to be inserted into the clip-type copper bar Within 23. The monitoring module 45 and the first circuit breaker 41 are respectively installed outside the tap unit box 34 , and the first circuit breaker 41 is electrically connected to the copper insert 36 , the power distribution socket 39 and the monitoring module 45 respectively. The first circuit breaker 41 is used to control the power on-off protection of the tap unit 30; the monitoring module 45 is used to monitor the various power parameters of the tap unit 30 and the temperature value at the contact point of the plug 35 and the small busbar 20, by monitoring The module 45 is installed externally, and can be repaired and replaced online without power-off when the parts are damaged. As shown in Figure 10, in the present embodiment, temperature sensor 38 is a pin-type temperature sensor, and temperature sensor 38 is inserted into the through hole of copper insert 36, and temperature sensor 38 is electrically connected with monitoring module 45, and temperature sensor 38 is used for measuring copper insert 36 The temperature sensor 38 outputs the measured temperature value to the monitoring module 45 . Further, a tap unit fixing piece 43 is provided on the top of the tap unit box body 34 , and the tap unit fixing piece 43 is used for inserting into the second card slot 27 , so as to realize the locking of the tap unit 30 and the small busbar 20 . The bottom of the tap unit box body 34 is provided with a butterfly locking piece 44, which is connected to the tap unit fixing plate 43 by bolts, and the butterfly locking piece 44 is used to lock the tap unit 30 fixing piece , No need for a wrench to achieve locking. The power distribution socket 39 is used to take power from the downstream electrical equipment. As shown in Figures 7 and 8, the power distribution socket 39 has two types, one is fixed, and the other is a power distribution socket 39 connected by cables. .

As shown in FIG. 12 , the phase wires drawn out through the copper plug-in 36 are correspondingly connected to the upstream end of the first circuit breaker 41 , and the downstream phase lines drawn out of the first circuit breaker 41 are correspondingly connected to the phase wire terminals of each power distribution socket 39 . At the same time, the temperature sensor 38 is connected to the monitoring module 45, the temperature data is monitored by the temperature sensor 38, and the same number of lines as the power distribution socket 39 are drawn from the neutral wire copper plug-in 36 to connect to the neutral wire end of the power distribution socket 39 respectively. The grounding function is realized by connecting the grounding wire copper insert 36 and the protective grounding metal shrapnel 37 to the grounding terminal of the tapping unit box 34 . Simultaneously, the current data monitored by the current transformer and the phase line and the neutral line that are used to transmit the copper plug-in 36 of the voltage data are connected to the monitoring module 45 to realize power monitoring, and then communicate with the outside through the signal output terminal of the monitoring module 45. The environmental monitoring system is connected to realize external remote monitoring.

As shown in Figure 9, the installation process of the tap unit 30, a, the plug 35 of the tap unit 30 is aligned with the insertion port at the bottom of the housing 21; b, by rotating the tap unit box 34, each copper plug-in 36 is correspondingly inserted into the corresponding clip-type copper bar 23, and the tap unit box 34 is parallel to the housing 21 of the small busbar 20; e, after rotating the tap unit fixing piece 43 to a suitable position, use The locking member 44 is locked to complete the installation.

As shown in Figure 1, the starting end power supply device 10 includes a starting end box 15, and a multi-function instrument 11, a second circuit breaker 12, a lightning protection circuit breaker 17, a lightning protection device 13 and a shell grounding terminal respectively installed in the starting end box 15 14. The multifunctional instrument 11 is used to monitor various power parameters and lightning protection status; in this embodiment, the second circuit breaker 12 is a molded case circuit breaker, and the second circuit breaker 12 is electrically connected to the extension end of the clip-type copper bar 23 , the second circuit breaker 12 is used to control the power on-off protection of the entire small busbar 20 , the uplink is used to connect to an external power supply, and the downlink is used for electrical connection with the extension end of the clip-type copper bar 23 .

As shown in Figure 13, the three-phase five-wire or three-phase four-wire external power supply is connected to the upstream end of the second circuit breaker 12. If a 3p plastic breaker is used, a neutral wire terminal needs to be added, and a 4p is connected accordingly. The ground wire It is directly connected to the ground wire clip-type copper bar 23 of the small bus bar 20 , and then connected to the clip-type copper bar 23 of the small bus bar 20 through the downstream end of the second circuit breaker 12 . The uplink of the lightning protection circuit breaker 17 is connected to the uplink of the second circuit breaker 12, the downlink is connected to the uplink of the lightning protector 13, the downlink of the lightning protector 13 is grounded, and the lightning protector 13 is grounded. The lightning state monitoring interface leads to the multi-function instrument 11 to monitor the lightning protection state. The current data monitored by the current transformer and the voltage data connected from the upstream end of the second circuit breaker 12 are connected to the multi-function meter 11 to realize power monitoring. Then, the signal output terminal of the multi-function instrument 11 is connected with the external environment monitoring system to realize external remote monitoring.

Further, as shown in Figures 1 and 11, the track-type small busbar 20 power distribution equipment also includes at least one small busbar connection assembly 40, and the small busbar connection assembly 40 includes two connecting copper busbars 46, an upper connector 47 and a lower connection 48, two connecting copper bar plates 46 are arranged in parallel and at intervals in the housing 21 of two adjacent small busbars 20, and the sides of the two connecting copper bar plates 46 are respectively provided with a plurality of copper sheets 49. The two ends of the sheet 49 are respectively clamped in the clip-type copper bars 23 of two adjacent sections of small busbars 20, and the two ends of the upper connector 47 are respectively clamped in the first slots 24 of the adjacent two sections of small busbars 20. The upper surface of the lower connector 48 is provided with at least one positioning column 50, and the two ends of the lower connector 48 are respectively clamped in the second slots 27 of the two adjacent sections of the small busbar 20, and the positioning column 50 is against the two connection pins. Between the copper busbars 46.

As shown in Figure 11, the splicing method of two sections of small busbar 20, a, slide the upper connector 47 into the first slot 24 of a section of small busbar 20; b, slide the lower connector 48 into a section of small busbar 20 In the second draw-in groove 27; c, the two sections of small bus bars 20 are put together tightly; d, the upper connector 47 is slid into the first draw-in slot 24 of another section of small bus bar 20, so that the two ends of the upper connector 47 Respectively in the first slots 24 of the two sections of small bus bars 20, and then use screws to lock; e, put a connecting copper bar plate 46 into the housing 21 through the insertion port at the bottom of the housing 21, and use the manpower to put the copper sheet into the housing 21. The two ends of 49 are respectively pressed into the clip-type copper bars 23 of the two sections of small bus bars 20 a little; f, the installation tool 51 is put into the housing 21 through the insertion port at the bottom of the housing 21, and the handle of the installation tool 51 is rotated so that The two ends of the copper sheet 49 are completely pressed into the clip-type copper bar 23; g, repeat the above steps e and f to press another copper sheet 49 connected to the copper bar plate 46 into the clip-type copper bar 23; h, connect the next The piece 48 slides into the first slot 24 of the other section of the small bus bar 20, so that the two ends of the lower connecting piece 48 are respectively in the first slot 24 of the two sections of the small bus bar 20, and then tightened with screws, so that the two Sections of small busbars 20 are spliced together.

Although the utility model has been described in detail with general description and specific examples above, some modifications or improvements can be made on the basis of the utility model, which will be obvious to those skilled in the art. Therefore, the modifications or improvements made on the basis of not departing from the spirit of the utility model all belong to the protection scope of the utility model.

Claims (6)

1. A track-type small bus power distribution equipment, the track-type small bus power distribution equipment includes: a starting power supply device, at least one section of small bus and at least one tap unit, and the tap unit is connected to the small bus through the small bus It is characterized in that the small bus bar includes a longitudinally extending housing, a plurality of longitudinally extending insulators and a plurality of longitudinally extending clip-type copper bars, and the cross section of the housing is Rectangular, the upper surface of the top of the housing is provided with a first card slot extending longitudinally, the bottom of the housing is provided with an insertion port extending longitudinally, and the inner surfaces of the two side walls of the housing are respectively provided with multiple a fixed groove extending longitudinally, the insulator is in a groove structure, a plurality of the insulators are respectively embedded in a plurality of the fixing grooves, and a plurality of the clip-type copper bars are respectively embedded in a plurality of the insulators Inside the piece; the clip-type copper bar includes a fixed part extending longitudinally and two contact parts parallel to each other and extending longitudinally. Bending to form a connecting portion, the sides of the two connecting portions away from the fixing portion are respectively connected to one side of the two contacting portions, and the other sides of the two contacting portions are respectively bent outwards Fold to form guide. 2. The track-type small busbar power distribution equipment according to claim 1, characterized in that, the lower surface of the top of the housing is provided with a positioning groove extending in the longitudinal direction. 3 . The track-type small busbar power distribution device according to claim 2 , wherein the lower surface of the bottom of the housing is provided with a second slot extending longitudinally. 4 . 4. The rail-type small bus power distribution equipment according to claim 1, 2 or 3, characterized in that the inner surface of the insulating member is provided with a plurality of longitudinally extending corrugations at intervals. 5. The track-type small bus power distribution equipment according to claim 4, wherein the tap unit comprises a tap unit box, a plug, at least one temperature sensor, at least one power distribution socket, a monitoring module and a second A circuit breaker, the plug is arranged on the top of the box of the branching unit, and a plurality of copper inserts are respectively arranged on both sides of the plug, and the monitoring module and the first circuit breaker are installed on the branching unit respectively. Connected to the outside of the unit box, the first circuit breaker is electrically connected to the copper insert, the power distribution socket, and the monitoring module, the temperature sensor is electrically connected to the monitoring module, and the temperature sensor is used to measure the copper insert temperature change. 6. The track-type small bus power distribution equipment according to claim 3, characterized in that, the track-type small bus power distribution equipment also includes at least one small bus connection assembly, and the small bus connection assembly includes two connection copper The bus bar, the upper connecting piece and the lower connecting piece, the two connecting copper bar plates are arranged in parallel and at intervals in the shells of two adjacent sections of the small bus bars, and the sides of the two connecting copper bar plates that are far away from each other are respectively There are a plurality of copper sheets, and the two ends of the copper sheets are respectively clamped in the clip-type copper bars of the two adjacent sections of the small busbar, and the two ends of the upper connector are respectively clamped in the two adjacent sections. In the first slot of the small busbar, the upper surface of the lower connector is provided with at least one positioning column, and the two ends of the lower connector are respectively clamped in the second slots of the two adjacent sections of the small busbar. Inside, the positioning column abuts against between the two connecting copper busbars.