Touch protection housing

Abstract

The invention relates to a touch protection housing formed of electrically insulating material for touch-safe contacting of a busbar system with multiple busbars, wherein the touch protection housing has a busbar holder with receptacles for busbars and at least one touch protection element that can be detachably mounted over the busbars, characterised in that the receptacles are formed between a lower part of the busbar holder and an upper part of the busbar holder that is detachably connected to the lower part, and wherein an upper side of the touch protection element facing away from the receptacles and the upper part together form a continuous mounting plane for mounting busbar adapters.

Description

[0001] Touch protection housing

[0002] The invention relates to the technical field of busbar systems, in particular touch-proof enclosures for the touch-safe connection of such a system. Busbars serve to provide electrical energy to a large number of loads in a control cabinet. Unlike cables, busbars are therefore usually uninsulated, so a touch-proof enclosure is necessary for safe operation or maintenance to prevent short circuits or serious injuries.

[0003] The invention relates to a touch-protection housing made of electrically insulating material for the touch-proof contact of a busbar system with multiple busbars. The touch-protection housing has receptacles for busbars, as well as at least one touch-protection element that can be detachably mounted over the busbars. Receptacles for the busbars are formed in the busbar holder, with the touch-protection element covering the receptacle and thus securing the busbars in the receptacles. Such a touch-protection housing is commercially available as part of the busbar system designated "Rittal Ri4Power". A disadvantage of the known touch-protection housing is that it cannot be freely stacked.The touch-protection enclosure features numerous discrete, spatially unrelated mounting levels for busbar adapters, thus limiting both the overall mounting area and the selection of mounting positions. In particular, mounting components is not possible in the edge areas of the touch-protection enclosure, where the busbar holders are typically located.

[0004] The object of the invention is therefore to further develop the above-described touch protection housing in such a way that it can be built over in as many different ways as possible.

[0005] Such a touch protection housing is the subject of claim i. Claims 2 to 10 describe advantageous embodiments. Claim 12 further relates to a method for mounting a busbar system with a corresponding touch protection housing. Accordingly, it is provided that the receptacles are formed between a lower part of the busbar holder and an upper part of the busbar holder that is detachably connected to the lower part. A top surface of the touch protection element facing away from the receptacles and the upper part together form a continuous mounting plane for mounting busbar adapters. A continuous mounting plane within the meaning of the invention enables the mounting of a component, in particular a busbar adapter, both directly on the top surface and directly on the upper part, as well as partially directly on the top surface and partially directly on the upper part.Preferably, the mounting plane has at least one series of regularly spaced through-slots, which are designed for electrical contacting busbar adapters on the busbars held in the receptacles, and which extend over the top and the upper part. The mounting plane can be designed for mounting multi-pole busbar adapters. For this purpose, the busbar adapter can be placed on the mounting plane to contact a multi-pole current busbar system, such that at least one retaining foot, but preferably several retaining feet of the busbar adapter, can each pass through one of the through-slots and engage behind the current busbars, and a contact element assigned to each of the busbars to be contacted makes contact with the respective busbar.

[0006] The upper part may also have a series of mounting grooves, which preferably align with the passage slots.

[0007] The busbar holder can advantageously have three mounting points. The mounting surface can have three rows of regularly spaced through-slots.

[0008] Touch protection enclosures can have a plurality of busbar supports and / or touch protection elements. In the longitudinal direction of the busbar, a busbar support can be arranged alternately on each touch protection element. In particular, a plurality of touch protection elements can be arranged one after the other in the longitudinal direction of the busbar. The lower part can have a locking bolt on an upper and / or lower edge of the receptacle, which is designed to secure the busbar in the receptacle and / or to the lower part in a locked position. The locking bolt can be rotatable into the locked position. The locking bolt can also be slidable in the locked position. The upper part can further be designed to block the locking bolt in the locked position when the upper and lower parts are connected.The upper part can further be designed to move the locking bar into the locking position when the upper part is connected to the lower part. It is particularly advantageous for the locking bar to be arranged longitudinally along the busbars above or below the rows of regularly spaced through slots and below a solid section of the upper part. The upper part can be designed to block the locking bar in the locking position when the upper and lower parts are connected. For this purpose, the upper part can have two projections which, when connected, engage in corresponding grooves in the lower part, which are arranged on both sides next to the locking bar. This has the advantage that each busbar can be individually secured in each mounting and busbar holder. Furthermore, a direct force transmission can be established between the busbar adapter, busbar, and lower part.

[0009] Complementary fixing elements can be arranged on a longitudinal side of the busbar holder facing the touch protection element and on a longitudinal side of the touch protection element facing the busbar holder, by means of which the busbar holder is detachably connected to the touch protection element. The complementary fixing elements can each include interlocking detent projections, which preferably extend along the entire longitudinal sides. The complementary fixing elements can include a screw connection integrated into the mounting plane. The touch protection element can have further complementary fixing elements on a second longitudinal side, by means of which the touch protection element can be connected to another touch protection element and / or busbar holder.

[0010] The touch protection element can have at least one retaining foot designed to engage behind a busbar held in the receptacle and secure the touch protection element to the busbar. The lower part can have at least one adjustment slide designed to adjust the position and / or length of the receptacle. The adjustment slide can be slidably, preferably incrementally, mounted in a groove in the lower part. This allows the touch protection housing to be flexibly positioned on busbars. An installer can thus adjust the receptacle to the busbar even before installation. The adjustment slide can be secured in the groove by means of a locking screw.

[0011] Through-slots can be designed such that a retaining foot of a busbar adapter can be engaged with a busbar held in the receptacle by a rotation. Alternatively or additionally, the through-slots can be designed such that the retaining foot is engaged with a busbar held in the receptacle by a first movement orthogonal to the mounting surface and a second movement parallel to the longitudinal side of the busbar holder.

[0012] Furthermore, the invention relates to a method for assembling a busbar system with a touch protection housing according to one of the preceding claims, wherein the method comprises the following steps:

[0013] - Attaching the lower part to a mounting level of a control cabinet;

[0014] - Inserting a power busbar into the socket;

[0015] - Optional: Securing the busbars in the mountings using the locking bar;

[0016] - Connecting the upper part to the lower part; and

[0017] - Mounting the touch protection element.

[0018] Further details of the invention are explained with reference to the figures below. Figure 1 shows an isometric view of a touch protection housing according to the invention;

[0019] Figure 2: A detailed view of a touch protection housing according to the invention;

[0020] Figure 3: a side view of a touch protection housing according to the invention; and

[0021] Figure 4 shows an isometric view of a busbar holder of a further embodiment of a touch protection housing according to the invention;

[0022] Fig. 1 shows an isometric view of a touch protection enclosure 1 according to the invention. The touch protection enclosure has a touch protection element 4 and two busbar holders 3 detachably mounted on the longitudinal sides of the touch protection element 4. The busbar holders each have three receptacles 33 for current busbars, although for illustrative purposes only the uppermost receptacle 33 accommodates a current busbar 2. The touch protection element 4 is detachably mounted above the current busbar 2 and, in conjunction with the busbar holders 3, prevents unintentional contact with the current busbar 2. The receptacles 33 are each formed between a lower part 31 of the busbar holder 3 and an upper part 32 of the busbar holder 3, which is detachably connected to the lower part 31.

[0023] According to the invention, the upper surface 34 of the touch protection element 4, facing away from the mountings 33, and the upper part 32 together form a continuous mounting plane 5 for mounting busbar adapters 6, which is highlighted by the dashed lines. This continuous mounting plane 5 allows busbar adapters 6 to be positioned and mounted virtually without restriction in the longitudinal direction of the busbar. The touch protection housing 1 according to the invention thus eliminates the disadvantage of known housings, which are limited to restricted mounting planes on the touch protection housings 1 with regard to this placement.

[0024] The mounting level 5 has three rows of regularly spaced through-slots 51, which are designed for the electrical contacting of busbar adapters 6 on the current busbars 2 held in the receptacles 33, the row continuing across the two upper surfaces 34 of the two busbar holders 3 and the upper part 32 of the touch protection element 4. The upper parts 32 each have a row of mounting grooves which are aligned with the through-slots 51 and allow the mounting of further components.

[0025] The longitudinal sides of the busbar supports 3 and the longitudinal sides of the touch protection element 4 each have complementary fixing elements 11, by means of which the busbar supports 3 are detachably connected to the touch protection element 4. These fixing elements 11 are designed as snap-in projections with undercuts, which engage behind the longitudinal side of the adjacent touch protection element 4 or busbar support 3.

[0026] The particular technical advantage is demonstrated in Fig. 2, which shows a detailed view of the lower left corner of the touch protection housing 1 according to the invention shown in Fig. 1. A busbar adapter 6 is mounted on the mounting level 5, with only one retaining foot 36 of the busbar adapter 6 being shown for clarity. The busbar adapter 6 is mounted directly on the upper part 32, with the retaining foot 36 extending through the through-slots 51 and engaging behind the upper part 32 and the current busbar 2. Electrical contact is established between the retaining foot 36 and the busbar adapter 6. Furthermore, the retaining foot 36 has contact ribs that engage in the mounting grooves and thus prevent the busbar adapter 6 from slipping in the longitudinal direction of the busbar.

[0027] Another view of this assembly situation is shown in Figure 3. This is a side view of the touch protection housing 1 and the busbar adapter 6 mounted at the lower left corner of the mounting plane 5. The through-slots 51 and the receptacle 33 are designed such that the retaining foot 36 can be engaged with a busbar 2 held in the receptacle 33 by rotation. Additionally, the through-slots 51 and the receptacle 33 allow the retaining foot 36 to engage with the busbar 2 by a first movement orthogonal to the mounting surface 5 and a second movement parallel to the longitudinal side of the busbar holder 3. Depending on the size of the busbar adapter 6 and the available installation space, the direction of engagement can be freely selected by the installer.Figure 4 shows an isometric view of a busbar holder 3 of a further embodiment of a touch protection housing 1 according to the invention. The lower part 31 and the upper part 34 are shown in a disassembled configuration. In the illustrated embodiment, the lower part has an adjusting slide 37, which is designed to adjust the length of the receptacle 33. This allows the touch protection housing to be flexibly adapted to busbars 2 with different widths. The adjusting slide 37 is incrementally displaceable in a groove of the lower part 31. An installer can thus adjust the receptacle 33 to the busbar 2 even before mounting it. The adjusting slide 37 can then be fixed in place by means of a locking screw.The lower part 31 further features a locking bar 35 on each upper edge of the receptacle 33, which is designed to secure the busbar 2 in the receptacle 33 and to the lower part 31 in a locking position. After a busbar 2 has been inserted into the receptacle 33, the locking bar 35 can be rotated into the locking position. The upper part 32 is designed to block the locking bar 35 in the locking position when the upper part 32 and the lower part 31 are connected. This has the advantage that each busbar can be individually secured in each receptacle 33 and busbar holder. Furthermore, a direct force transmission can be established between the busbar adapter 6, the busbar 2, and the lower part 31. This compensates for the structural weakening of the upper part 32 caused by the through-slots 51.

[0028] Reference sign

[0029] Touch-protection housing

[0030] power collection rail

[0031] busbar holder

[0032] Touch protection element

[0033] Monday level

[0034] busbar adapter

[0035] Fixing elements

[0036] lower part

[0037] Top

[0038] Recording

[0039] Top

[0040] Locking bar

[0041] Support foot

[0042] Adjustment slider

[0043] Perforation slots

Claims

Claims:

1. Touch protection housing (i) made of electrically insulating material for touch-proof contacting of a busbar system with multiple busbars (2), wherein the touch protection housing (1) has a busbar holder (3) having receptacles (33) for busbars and at least one touch protection element (4) that can be detachably mounted over the busbars (2), characterized in that the receptacles (33) are formed between a lower part (31) of the busbar holder (3) and an upper part (32) of the busbar holder (3) that is detachably connected to the lower part (31) and wherein a top surface (34) of the touch protection element (4) facing away from the receptacles (33) and the upper part (32) together form a continuous mounting surface (5) for mounting busbar adapters (6).

2. Touch protection housing (1) according to claim 1, wherein the mounting level (5) has at least one series of regularly spaced through slots (51) which are designed for electrical contacting of busbar adapters (6) on the current busbars (2) received in the receptacles (33), wherein the series is continued over the top (34) and the top part (32).

3. Touch protection housing (1) according to claim 1 or 2, wherein the lower part (31) has a locking bar (35) on an upper and / or lower edge of the receptacle (33) which is configured to lock the busbar (2) in a locking position in the receptacle (33) and / or on the lower part (31).

4. Touch protection housing (1) according to claim 3, wherein the locking bolt (35) is rotatable into the locking position and wherein the upper part (32) is designed to To block the locking hedgehog (35) in the locking position when the upper part (32) and the lower part (31) are connected. 5- Touch protection housing (1) according to one of claims 1 to 4, wherein complementary fixing elements (11) are arranged on a longitudinal side of the busbar holder (3) facing the touch protection element (5) and on a longitudinal side of the touch protection element (4) facing the busbar holder, via which the busbar holder (3) is detachably connected to the touch protection element (4).

6. Touch protection housing (1) according to claim 5, wherein the complementary fixing elements (11) each comprise interlocking detent projections which preferably extend along the entire longitudinal sides.

7. Touch protection housing (1) according to claim 5 or 6, wherein the complementary fixing elements (11) comprise a screw connection inserted into the mounting plane (5).

8. Touch protection housing (1) according to one of the preceding claims, wherein the touch protection element (4) has at least one retaining foot (36) which is designed to engage behind a busbar (2) received in the receptacle (33) and to fix the touch protection element (4) to the busbar (2).

9. Touch protection housing (1) according to one of the preceding claims, wherein the lower part (31) has at least one adjusting slide (37) which is configured to adjust a position and / or length of the receptacle (33).

10. Touch protection housing (1) according to claim 9, wherein the adjusting slider (37) is slidably, preferably incrementally slidably, received in a groove of the lower part (31).

11. Touch protection housing (1) according to one of the preceding claims, wherein the upper part (32) has a series of mounting grooves which are aligned with the through slots (51).

2. Method for assembling a busbar system with a Touch protection housing (1) according to one of the preceding claims, comprising the steps: - Attaching the lower part (31) to a mounting level of a control cabinet; - Inserting a power busbar (2) into the receptacle (33); - Optional: Securing the busbars (2) in the receptacles (33) using the fixing element (11); - Connecting the upper part (32) to the lower part (31); and Mounting the touch protection element (4).

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