FR2752103A1 - Electrical energy measurement and distribution device - Google Patents

Abstract

The device has a modular configuration with a supply unit (24) and a distribution unit (28), respectively incorporating a measuring device and an energy distribution and protection device. The measuring device is fitted in a separate termination box (26), with a carrier rail (26)receiving the latter or a carrier plate. Pref. the supply unit and the distribution unit are contained within a common housing (12) which has an access door (30) for the termination box, secured by a seal to prevent unauthorised opening

Description

The present invention relates to a measurement and distribution device

  of electrical energy, in particular on building sites, equipped with a supply part and a distribution part, the supply part having an element for the reception of a measuring device and the distributor comprising a device

  energy distribution and protection.

  Such devices are for example known as current distributors in construction, using which a site can be supplied with electrical energy. For this purpose, a central electrical supply cable can be connected to the supply part, and to the distributor are usually provided several connections, to which different electrical devices and / or other current distributors can be connected. Usually, in the supply part, there is a receiving element, in the form of a shoemaker, for the installation of a meter supplied by the electricity distribution company for the measurement of the consumption of energy, the box being made separable or screwable and, after the installation of the meter by the electricity distribution company, is sealed. Thanks to the sealing of the housing receiving the meter, it is guaranteed that no manipulation can be

performed on the meter.

  Although such current distributors in construction receiving a meter supplied by the electricity distribution company have proven themselves in Germany, abroad is often supplied or prescribed by electricity distribution companies a set of connection can be installed independently of the construction current distributor and spatially separated from it, in which the meter is integrated and frequently also a connection safety and a main safety. Such connection boxes used for example in France cannot be integrated into known construction current distributors, it is rather planned to use separate connection boxes in addition to construction current distributors. On the one hand this has the consequence that the overall device for supplying the site with electrical energy is produced in a very disorderly manner and the installation of the entire device takes a relatively long time. On the other hand, the connection box thus produced is not perfectly stable with respect to mechanical influences, which cannot always be excluded on a site, and is subject to breakdowns. In addition, a connecting cable between the connection box and the construction current distributor is subject to the risk of mechanical damage and does not meet the

  protective measures against indirect contact.

  The object of the present invention is to provide a device for measuring and distributing electrical energy of the type indicated in the preamble, so as to present a simple handling and in particular, on building sites, to allow an ordered arrangement, mechanically. stable and electrically safe of the entire power supply device, when a separate connection box is supplied or prescribed by distribution companies

of energy.

  This problem is, in a device for measuring and distributing electrical energy of the type indicated in the preamble, resolved according to the invention, by the fact that the receiving element is produced with a view to receiving a box of separate connection, including device

of measurement.

  Such an embodiment of the device has the advantage that the connection box usually separated spatially from the device, for example on site, can be integrated into the device. The device thus forms with the connection box a structural unit which is simple to handle and orderly and offers the connection box additional mechanical stability. In addition, the entire feeder has security

increased electrical power.

  The receiving element favorably comprises a carrier rail receiving the connection box and / or a support plate. In such an embodiment, the connection box can be selectively removable, either directly on the support rail, or alternatively on the support plate, which can then be detachably attached to the support rail. It is particularly advantageous for the receiving element to comprise a system of support rails with several support rails directed in particular parallel to each other, so that the mechanical load of the various support rails

is reduced.

  It is advantageous that the supply part and the distribution part are arranged in a common housing, in which the receiving element is located. The connection box, which can be mounted on the receiving element, is thus protected from damage

mechanical and weathering.

  In a particularly advantageous embodiment of the invention, provision is made for the shoemaker to include a door covering the receiving element. In this way, the connection box, which can be placed in the power supply part, is protected from all sides and simultaneously accessible at all times through the door, for example, to

a replacement.

  As mentioned above, the distributor part includes an energy distribution and protection device. The protection device can for example be produced in the form of a safety box equipped with different protection members, such as for example fuses, line protection switches, fault current protection switches, fault voltage protection. In this case, it is particularly advantageous that the security part can be closed. In this way, it can be guaranteed that only authorized persons, for example electricians, have access to the safety devices and then activate them only when their perfect functioning is assured. It is thus possible, for example, to prevent a safety device triggered due to an overload from being simply short-circuited by a person

not allowed.

  In a preferred embodiment due to its extremely simple handling of the device of the invention, provision is made for the device to comprise a switching means accessible from the outside in order to interrupt the power supply to the distributor. Thus, in particular in the event of an accident, the energy supply can be interrupted in a simple manner and thus in the shortest possible time. In particular, in combination with a lockable safety box, in which a main switch of the distributor part is arranged, it can be guaranteed in this way that, on the one hand, only an authorized person can activate the energy supply. , but on the other hand, especially in the event of an accident, the power supply may be interrupted

at any time in a simple way.

  The switching device can, for example, be in the form of an emergency stop button. This can be electrically connected to a main switch with undervoltage release, so that when the button is operated, the entire power supply to the distributor is interrupted. An operation of the emergency stop button therefore has the effect of separating all of the connected electrical devices

  to the power supply distributor.

  It is advantageous that the supply part is electrically connected, via a connecting element, to the distributor part, the connecting element having a terminal device to which the connection box can be selectively connected or

  a power cable directly.

  The device according to the invention, in the case of such an embodiment, can be implemented not only in cases in which a connection box equipped with a meter supplied or prescribed by the distribution company electricity, to which the central power supply cable is connected, in which a measurement of the energy consumption is carried out by means of the connection box, but the device according to the invention can also be used when independently of the connection, a large number of electrical energy consumption devices must be connected to a main line. In this case, the power supply cable is connected directly to the terminal device of the connection element without interposing a separate connection box. The connecting element is electrically connected to the distributor part, in which the electrical energy is distributed over different branches, as well as electrical protection of the different branches by means of protective members. The realization of the connecting element with a terminal device then also has the advantage that the connection of the connection box or the power supply cable

  can be done in a simple way in a short time.

  The following description of forms

  preferred embodiment of the invention, with reference to the accompanying drawings, has for its object an explanation

more detailed description of the invention.

  Figure 1 is a schematic perspective view of a first embodiment of the device according to the invention; Figure 2 is a schematic perspective representation of the front side of a second embodiment of the device according to the invention, and Figure 3 is a schematic perspective representation of the rear side of the second embodiment of the device

according to the invention.

  In Figure 1, there is shown, as a first embodiment of the device according to the invention for measuring and distributing electrical energy, a construction current distributor generally designated by the reference numeral 10, which comprises a case 12 in the form of a cabinet with vertical side walls 14 and 16, which are joined by means of a horizontal upper wall 18 and by a vertical rear wall 20. The boftier 12 is subdivided by an intermediate wall 22 between the two side walls 14 and 16 and arranged parallel to them, in a supply part 24 with a receiving element fixed to the rear wall 20 in the form of two support rails 26 parallel to each other and fixed, spaced apart one on the other, at the wall

  posterior 20, and in a distributor part 28.

  The power supply part 24 is used to receive a connection box not shown in the Figure, which is supplied or prescribed by the electricity distribution company and includes a connection circuit breaker, a measuring device in the form a current meter and a general circuit breaker. The connection box can be removably attached to the support rails 26. Alternatively, the connection box can be mounted on a support plate not shown in the Figures, which, in turn, can be removably attached to the rails supports 26. A central electrical supply cable not shown in the Figures can be connected to the connection box which can be fixed on the support rails 26. For this purpose, the lower part of the housing 12, remote from the upper wall 18, is made open, since an additional bottom wall is not provided. The central power supply cable can thus be introduced without hindrance

  from below in the supply section 24.

  In the region of the front side remote from the rear wall 20, a pivot door 30 is hinged to the rear wall 16, so that the supply part 24 can be closed and the connection box, which can be arranged inside of the food part

  24, is protected against mechanical influences.

  Instead of being hinged to the side wall 16, the door 30 can also be pivoted

on the intermediate wall 22.

  The distributor part 28 is subdivided into a safety box 32 immediately adjacent to the upper wall 38, which can be closed using a safety door 34 hinged to the intermediate wall 22 and receives a general circuit breaker 36 thus that different protective members 35, for example fault current and fault voltage circuit breakers, as well as in a distribution zone 38, arranged spaced from the upper wall 18 below the safety box 32, in which are arranged several alternating and / or three-phase power sockets 40 of different shapes as well as three-phase power sockets that can be cut

  and / or locked 42 of different structures.

  The various structures of the AC and / or three-phase power outlets 40, as well as the three-phase power outlets 42 that can be cut and / or locked are well known to those skilled in the art and therefore are not explained in more detail. . The security door 34 can alternatively

  be articulated to the side wall 14.

  The general circuit breaker 36 is made so that, thanks to it, the general current supply of the distributor 28 can be

obtained and cut.

  The supply part 24 of the construction current distributor 10 comprises a terminal box 12 electrically connected to the distributor 28. On the one hand, this means that the connection box can be placed in the supply part 24 of the The electricity distribution company can be electrically connected in a short time to the distributor, because it is only necessary, for this purpose, to connect the connection box to the terminals not shown in Figure 2 of the terminal box 112. D ' on the other hand, in such an embodiment, instead of a connection box, to the terminal box 112, can also be directly connected to the central electrical supply cable, so that the construction current distributor 10 is also usable as a simple safety and distribution device, without an additional measuring device being used. To secure the central supply cable securely, the terminal box 112 is associated with a collar arranged on the lower side opposite the wall.

  upper 18 of the supply portion 24.

  The parallelepipedal terminal box 112 comprises on its front side a front plate 120 held by means of screws 116 on a terminal box 118, which can be removed for the electrical connection of a connection cable leading from the connection box of the electrical distribution company in the box

  of terminals 112 and not shown in the Figures.

  The connection cable can be introduced into the interior of the terminal box 118 via a passage 122 arranged on the upper side of the terminal box 118. As an alternative connection to the central electrical supply cable, provision is made , on the side remote from the intermediate wall 22 of the housing 12 of the terminal housing 118, another passage not shown in the Figures. In addition, the terminal box 112 has, facing the intermediate wall 22, a third passage, not shown in the drawings. Thanks to this passage, the terminal box 112 is connected to the distributor part 28 of the

  construction current distributor 10.

  The housing 12 of the construction current distributor 10 is supported by a lower frame 46, which comprises two U-shaped support brackets, which are joined by means of

  of lateral transverse beams 50.

  On the outer sides distant from each other of the side walls 14 and 16, is pivotally articulated a transport handle 52, so that the cabinet 12 can be carried by two people. On the upper side of the upper wall 18 is fixed at the end a crane ring 54, through which, for the elevation of the construction current distributor 10 by means of a crane, can, for example, be passed

a steel cable.

  At the height of the safety box 32 is positioned, on the outside of the side wall 14, an emergency stop button 56, which is electrically connected to the main circuit breaker 36, so that even when the safety box 32 is closed, for example in the event of an accident, the energy supply to the distributor part 28 can be interrupted entirely. On the outer side of the side wall 14 is further provided, immediately adjacent to the frame 46, a connection 58 for a grounding conductor not shown in the drawings, with which it is associated, for the purpose of secure attachment of the conductor earthing, a collar 60, which is removably attached below the connection 58 on the outside of the wall

lateral 14.

  In FIGS. 2 and 3, an alternative embodiment of a construction current distributor 110 is shown, which differs from the current distributor 10, represented in FIG. 1, essentially by the fact that the supply part 24 and the part distributor 28 are not accessible from the same side of the housing 12, but are arranged distant from each other on the front side or the rear side of the housing 12. Identical elements in Figures 2 and 3 are designated by the same numbers reference

than in Figure 1.

  Thanks to the realization of the current distributors 10 and 110 with the power supply part 24, which can receive a connection box, as it is supplied or prescribed in France by the electricity distribution companies, the construction current distributor can form with the connection box a structural unit6, so as to obtain overall an ordered power supply device, mechanically stable and compact, to which can be connected on the input side a central electrical supply cable and on the output side a plurality of devices for electrical use, the supply of electrical devices to the devices for use can be interrupted at any time in the event of

of need.

j13 2752103

Claims (10)

R E V E N D I C A T I O N S   1. Device (10) for measuring and distributing electrical energy, in particular on construction sites, equipped with a supply part (24) and a distributor part (28), the supply part having an reception (26) for the reception of a measuring device and the distributor part comprising an energy distribution and safety device, characterized in that the element (26) is produced for the reception of a separate connection box comprising a measuring device and in that the supply part (24) is electrically connected by means of a connecting element (112) to the distributor part (28), the link (112) having a terminal device to which can be   connected the connection box.   2. Device according to claim 1, characterized in that the receiving element comprises a support rail (26) receiving the connection box and / or a support plate.   3. Device according to claim 1 or 2, characterized in that the supply part and the distributor part (24, 28, respectively) are arranged in a common housing (12), in which is   fixed the receiving element (26).   4. Device according to claim 3, characterized in that the housing (12) comprises a door (30)   covering the receiving element (26).   5. Device according to any one of   previous claims, characterized in that the   distributor part (28) includes a safety box (32) can be closed.   6. Device according to any one of   previous claims, characterized in that the   device (10; 110) comprises a switching device (56) accessible from the outside for the purpose of 14 2752103   the interruption of the power supply of the distributor part (28).   7. Device according to claim 6, characterized in that the switching device is produced in the form of an emergency stop button (56). 8. Device according to any one of   previous claims, characterized in that   power supply cable can be connected to terminal device.   9. Device according to any one of the preceding claims, characterized in that it   further includes a collar (114) for securing an electrical power cable. 10. Device according to any one of   previous claims, characterized in that it further comprises a connection box comprising   a measuring device, said box being housed in the receiving element (26).