CN103579926B

CN103579926B - Air baffle

Info

Publication number: CN103579926B
Application number: CN201310304476.XA
Authority: CN
Inventors: F.贝特尔斯
Original assignee: Siemens AG
Current assignee: Siemens AG
Priority date: 2012-07-20
Filing date: 2013-07-19
Publication date: 2018-11-13
Anticipated expiration: 2033-07-19
Also published as: CN103579926A; DE102013213516A1; DE202012007150U1

Abstract

Disclose a kind of device for guiding air flowing in busbar chamber, wherein busbar chamber includes multiple bus-bars being longitudinally extended, parallel arranged, wherein described device is designed as plane and substantially rectangular cross-sectional configuration, wherein described device has pectinate texture in side, the pectinate texture so designs so that the pectinate texture can be inserted on multiple bus-bars.

Description

Air baffle

Technical field

The present invention relates to a kind of air baffles.

Background technology

Electric distribution system can be designed as bus system.This bus-bar along current direction be designed as it is being longitudinally extended, Fixed conductor.Bus system is for conveying and for distributing electric energy.For example, the typical mission of bus system is by transformation Device is connected to subordinate's distributor via main allocated equipment or powers for bulk loads.For example, bus system is equally used for, in wind The electric current of generator generated in tower top can be guided to bottom of tower in equipment, or electric current is transmitted to tower top from bottom of tower, with Just it is that electric equipment is powered there.

Typically, the bus-bar of bus system is placed in busbar chamber.Busbar chamber is used for mechanical protection and set The component of bus system.The busbar chamber prevents, and undesirable electrical contact occurs between bus-bar and environment.Herein so It determines the size of busbar chamber, i.e., on the one hand ensures the distance for preventing undesirable electrical contact, on the other hand pass through nature Or compulsory configuration cools down the bus-bar in busbar chamber.

Either also referred to as guide rail-can be by copper, aluminium or similar conductive material for bus-bar-inside busbar chamber It is made.Bus system is typically made of the section of bus-bar.Adjacent bus-bar section is electric each other by means of being bolted Connection.For this purpose, the end overlapping of adjacent bus-bar, and it is provided with a bolt, which exerts a force to adjacent bus-bar , on the end of plane earth against each other and the end is made to be pressed against each other.

Connection between the another form of, bus-bar being known from the state of the art is carried out by so-called gripping block.Often The horizontal direction of a bus-bar along its length extends.Bus-bar is connected by gripping block, wherein each bus-bar is clamped at two Between the contact plate of a conduction, which insulate relative to each other further through insulation board.It is peeled off in the end of this bus-bar, by This forms the contact surface for the contact area arranged for bus-bar.

When in vertical equipment using the bus system of ventilation, by the circulation air of the electric current heating in bus-bar It climbs upwards, while utilizing the waste-heat of the underlying bus-bar section bus-bar section being located above.Thus it limits Made can maximum transmitted electric current because comparatively fast having reached the maximum allowable temperature of bus-bar at the higher bus-bar region in position Degree.Such case be because of dual thermic load, the dual thermic load occurred by electric current transmit by bus-bar oneself Heating and the additional heating carried out by the waste heat because of the lower bus-bar in position form.Therefore, in the position of bus system Maximum allowable temperature can be exceeded by setting in higher section, while but without departing from the self-heating of the script of section.

Invention content

The object of the present invention is to provide a kind of devices overcoming the shortcomings that being known from the state of the art.

The purpose realizes that the bus system includes busbar chamber by a kind of bus system, the confluence It includes multiple bus-bars being vertically longitudinally extended, parallel arranged to arrange case, which is characterized in that has pectination knot in side The device of structure angularly and is each other inserted into distance on the bus-bar with its pectinate texture and the bus-bar, In, described device forms closed flowing section, wherein the busbar chamber is in order to export air stream in the flowing section It is opened in upper area or there is grid, and described device is connected at its pectinate texture with identical second device It connects.For guiding the device of air flowing to be designed as plane and substantially rectangular cross-sectional configuration, wherein described device in busbar chamber There is pectinate texture in side, which so designs so that the pectinate texture can be inserted into multiple bus-bars or Say conductor rail（Stromschiene）On.

Advantageously, this need not in vertical equipment to the rated current of permission carry out so-called " reduction ".Herein " reduction " is it is meant that the bus system designed for special current strength only allows in vertical equipment to be less than this specially The current value operation of the rated current of door.When the cross section of bus-bar is consistent, the electric current of bigger can be conveyed.It is additional Ground, for guiding the device of air flowing to can be used for that solid is prevented to enter in busbar chamber in busbar chamber and carrying in turn High fault electric arc safety.

In a kind of design scheme, the end of the contact pin of pectinate texture has outline of straight line in open side.

In another design scheme of the present invention, described device includes the element for connection, which can make described The pectinate texture of device is connected with the pectinate texture of identical second device.It is possible thereby to advantageously ensure that, bus-bar is complete It is used to guide the device of air flowing to surround.

Can be a part for bus system for guiding the device that air flows, which includes bus-bar Case, the busbar chamber have multiple bus-bars being longitudinally extended, parallel arranged, and wherein at least one device is inserted into multiple On bus-bar.

In another design, at least one device is inserted on multiple bus-bars, and at pectinate texture and corresponding Identical second device connection.

The device can be fixed in the wall portion of busbar chamber.Optionally, which can also be fixed on the remittance of bus-bar On stream row's supporting part.

In one design of the present invention, described device can arrange at the same distance each other.

In another design scheme of the present invention, at least one device is arranged with 45° angle relative to bus-bar.

Bus system can be vertically provided.

Description of the drawings

The present invention is further described according to following attached drawing.

Fig. 1 shows the device for guiding air flowing in busbar chamber；

Fig. 2 shows be inserted into device on multiple bus-bars, for guiding air to flow；

Fig. 3 is shown from another perspective view is inserted into device on multiple bus-bars, for guiding air to flow；With

Fig. 4 shows the busbar chamber with air grid.

Specific implementation mode

The device 100 for guiding air flowing in busbar chamber is shown in FIG. 1.Device 100 is designed as plane And it is substantially rectangular cross-sectional configuration, wherein described device has pectinate texture 150 in side, which so designs so that should Pectinate texture 150 can be inserted on multiple bus-bars.

Fig. 2 shows bus systems 500.Bus system 500 includes busbar chamber 501, which has more A be longitudinally extended, parallel arranged bus-bar 201,202,203,204,205,206,207.For guiding air to flow Device 100 be inserted on multiple bus-bars.According to fig. 2, multiple devices 100, i.e. device 100,100', 100'' is inserted into bus-bar 201, on 202,203,204,205,206,207.Device 100,100', 100'' can be arranged at the same distance each other.Equally It is contemplated that device 100,100', 100'' have different distances each other.

According to fig. 2, device 100,100' are inserted on bus-bar 201,202,203,204,205,206,207 and in pectination knot At structure 150 with corresponding identical second device 101,101' connections.

The end of the contact pin of pectinate texture 150 has outline of straight line 151 in open side.Thus, for example device 100 can To be connect with identical second device 101 at pectinate texture 150.The device 100 includes element 160, which can make institute The pectinate texture 150 for stating device 100 is connected with the pectinate texture of identical second device 101.

The device 100,100', 100'' can be fixed in the wall portion of busbar chamber 501.It is also contemplated that device 100,100', 100'' are fixed on the bus-bar supporting part 511 of bus-bar 201,202,203,204,205,206,207.

It is shown ... in a side view bus system 500 from another perspective view in figure 3, with 201 He of bus-bar Device 100,100', 100''.Angle between bus-bar 201 and device 100 is about 45 °.If now due to electric current transmission and It heated the bus-bar section between device 100 and 100', then in the vertical arrangement of bus system 500, air flows upwards. Due to the device 100 for guiding air to flow, raised air is directed to the edge of busbar chamber.Corresponding to Fig. 3, the side Edge is the left hand edge of busbar chamber.Busbar chamber can be opened or with grid at this location.This is shown in FIG. 4, The covering part of busbar chamber has grid 551,552 herein.The grid can realize that the air heated can be from busbar chamber stream Go out.

It can be formed by using for device 100 guiding air flowing in busbar chamber 500, being arranged at an angle （It is multiple）Closed flowing section, wherein the hot-air risen it is each flowing section upper area in via grid 551, 552 are exported.Thus low pressure is formd in the lower area of each flowing section, since the low pressure is from bus system 500 Outside has been drawn via grid carries out cooling circulation air, and circulation air can be again when flowing through each flowing section Heat is absorbed, is then exported again in upper area.

Device 100 for guiding air flowing in busbar chamber 500 in the bus system 500 of ventilation so that use It is turned in the flowing of heat extraction.The device 100 can be equally used for, as barrier be directed to solid enter carry out protection go forward side by side And improve the fault electric arc safety of bus system.Due to the improved heat dissipation of bus system, when the cross section of bus-bar When keeping identical, the electric current of bigger can be transmitted.On the contrary, when the electric current to be transmitted remains unchanged, smaller confluence can be used Cross section is arranged, is caused and is saved material and mitigate weight.

The installation of device 100 for guiding air flowing in busbar chamber 500 can be in the quantity of the device of installation On be changed, to also change the rated current of bus system 500.It is thus achieved that for corresponding customer requirement Best system is made.

Claims

1. a kind of bus system（500）Comprising busbar chamber（501）, the busbar chamber includes multiple vertically longitudinal Bus-bar extend, parallel arranged（201,202,203,204,205,206,207）, which is characterized in that have in side There is pectinate texture（150）Device（100,100',100''）With its pectinate texture（150）With the bus-bar（201,202, 203,204,205,206,207）It is inserted into the bus-bar while there is angularly and each other distance（201,202,203,204, 205,206,207）On, wherein described device（100,100',100''）Form closed flowing section, wherein the confluence Arrange case（501）It is opened in the upper area of the flowing section in order to export air stream or there is grid, and it is described Device（100,100',100''）In its pectinate texture（150）Place and identical second device（101,101',101'''）It is connected It connects.

2. bus system according to claim 1（500）, wherein described device（100,100',100''）It is fixed on institute State busbar chamber（501）Wall portion on.

3. bus system according to claim 1 or 2（500）, wherein described device（100,100',100''）It is fixed In the bus-bar（201,202,203,204,205,206,207）Bus-bar supporting part（511）On.

4. bus system according to claim 1 or 2（500）, wherein described device（100,100',100''）Each other It arranges at the same distance.

5. bus system according to claim 1 or 2（500）, wherein described device（100,100',100''）With 45 Angle is spent relative to the bus-bar（201,202,203,204,205,206,207）Arrangement.

6. bus system according to claim 1（500）, wherein the pectinate texture（150）The end of contact pin exist Open side has the profile of straight line（151）.