WO2007129938A1 - A voltage divider device, a heat sink and a method related thereto - Google Patents
A voltage divider device, a heat sink and a method related thereto Download PDFInfo
- Publication number
- WO2007129938A1 WO2007129938A1 PCT/SE2006/050096 SE2006050096W WO2007129938A1 WO 2007129938 A1 WO2007129938 A1 WO 2007129938A1 SE 2006050096 W SE2006050096 W SE 2006050096W WO 2007129938 A1 WO2007129938 A1 WO 2007129938A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat sink
- voltage divider
- divider device
- plug
- frame
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
- H05K7/2049—Pressing means used to urge contact, e.g. springs
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20509—Multiple-component heat spreaders; Multi-component heat-conducting support plates; Multi-component non-closed heat-conducting structures
Definitions
- the present invention in a first aspect relates to a voltage divider device arranged to be mounted onto a heat sink, the voltage divider device including a frame and electric components mounted to the frame.
- the invention in a second aspect relates to a heat sink having receiving means arranged for receiving a voltage divider device to be mounted onto the heat sink.
- the invention in a third aspect relates to a method for mounting a voltage divider device onto a heat sink, the voltage divider device including a frame and electric components mounted to the frame, the heat sink including receiving means for receiving the voltage divider device.
- the invention concerns HV applications.
- a voltage divider device mounted onto a heat sink is generally known.
- the voltage divider device is mounted to the heat sink by means of screws.
- change of voltage divider device and power semiconductors can be very difficult. It takes a long time. There is also a risk for failure of the components due to incorrect handling.
- the object of the present invention is to simplify the mounting of a voltage divider onto a heat sink.
- a voltage divider device of the kind in question includes the specific features that the device includes at least one plug-in contact arranged to cooperate with a contact in the heat sink, that the frame includes two, parallel side walls, each side wall being provided with guiding means for guiding movement of the frame relative to the heat sink at the mounting of the device to the heat sink, each guiding means including a groove or a tongue arranged to cooperate with the heat sink, the guiding means of the two side walls being in parallel and defining a direction of movement, and in that said at least one plug-in contact has a connection direction that is parallel to said defined direction of movement.
- the voltage divider device can be mounted onto a heat sink by a sliding movement like that of a drawer and when the movement is completed the plug-in contacts engage the corresponding plug-in contacts in the heat sink.
- the frame includes means arranged to fix the voltage divider device to the heat sink.
- the electric components of the voltage divider device include HV diodes, snubber capacitors and voltage measuring means.
- the device includes a plurality of plug-in contacts arranged in parallel.
- each guiding means has a plurality of grooves or tongues.
- a heat sink of the kind in question includes the specific features that the heat sink includes at least one plug-in contact arranged to cooperate with a contact on the voltage divider device and that the receiving means include two parallel side walls, each side wall being provided with guiding means for guiding movement of the voltage divider device relative to the heat sink at the mounting of the device to the heat sink, each guiding means including a tongue or a groove arranged to cooperate with the voltage divider device, the guiding means of the two side walls being in parallel and defining a direction of movement, and in that the at least one plug-in contact has a connection direction that is parallel to said defined direction of movement.
- the invented heat sink provides an arrangement adapted to cooperate with the invented voltage divider device and thus results in corresponding advantages as those gained by the invented voltage divider device and which have been described above. According to preferred embodiments of the heat sink, it is arranged to cooperate with a voltage divider device according to the preferred embodiments thereof.
- the method for mounting the voltage divider device onto a heat sink includes the specific measures of pushing the frame of the voltage divider device onto the receiving means of the heat sink with a linear movement guided by cooperating guiding means on the frame and on the receiving means respectively until a plug-in contact or contacts arranged on the voltage divider device is/are connected to a matching plug-in contact or contacts on the heat sink. According to preferred embodiments of the invented method it is performed with a voltage divider device according to the invention or any of the preferred embodiments thereof.
- Fig 1 is a perspective view of a voltage divider device according to the invention.
- Fig 2 is a perspective view of a heat sink according to the invention.
- Fig 3 is a perspective view corresponding to that of fig 2, but including a further detail.
- Fig 4 is a perspective view of the voltage divider device when mounted onto the heat sink.
- Fig 1 is a perspective view of a voltage divider device according to the invention.
- the voltage divider has a generally U-shaped frame consisting of front wall 1 , a rear wall 2, outer side walls 3, 4 and inner side walls 5, 6.
- the frame divides the voltage divider device into three compartments, where a first compartment 7 formed between the front 1 and rear 2 walls and the outer side walls 3, 4 which first compartment 7 houses the capacitors 10.
- a second compartment 8 is formed between the outer side wall 3 and the inner side wall 5 and houses diodes 1 1.
- a third compartment is formed between the outer side wall 4 and the inner side wall 6 and houses a voltage measuring device.
- the rear wall 2 has an opening 13 in the middle thereof. Adjacent to this opening 13 in the capacitor compartment 7 a group of female plug-in contacts 14 is arranged.
- each inner wall 5,6 has a spline 15,16.
- Fig 2 in a perspective view shows a heat sink onto which the voltage divider device is to be mounted.
- the heat sink has a mounting body 20 projecting from a main body 21.
- the mounting body 20 includes a hybrid circuit board 22 and is provided with a group of male plug-in contacts 23.
- the mounting body 20 has two side walls 24,25, each side wall 24,25 being provided with a groove 26.
- the heat sink is shown in a view similar to that of fig 2, and illustrates how a sheet 27 of flexible and insulating material such as FRP is mounted above the hybrid circuit board 22 by means of two knobs 28.
- the FRP sheet 27 acts like a spring to mechanically hold the hybrid circuit board 22.
- the voltage divider device of fig 1 is arranged to be mounted onto the heat sink shown in figures 2 and 3.
- the tongues 15,16 on the inner side walls 5,6 of the voltage divider device and the grooves 26 on side walls 24,25 of the heat sink mounting part 20 match each other.
- the female plug-in contacts 14 of the voltage divider device and the male plug-in contacts 23 of the heat sink match each other.
- Mounting the voltage divider device onto the heat sink is performed by bringing the ends of the tongues 15,16 (the left ends in fig 1 ) to fit into the ends of the grooves 26 (the right ends in fig 2) and then push the voltage divider device in the leftward direction (as seen in fig 1 ) such that its movement is guided by the tongues 15,16 and grooves 26.
- Fig 4 in a perspective view illustrates the voltage divider device when mounting has been completed. Thereafter the voltage divider device is fixed by mounting screws.
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a voltage divider device arranged to be mounted onto a heat sink. The device includes a frame (1 ,2,3,4,5,6) and electric components (10,11 ,12) mounted on the frame. According to the invention the device includes plug-in contacts (14) arranged to cooperate with plug-in contacts on the heat sink. Two parallel side walls are provided with guiding means for guiding movement of the frame relative to the heat sink at mounting. Each guiding means includes a groove or a tongue (15,16) which are parallel to each other and to the connection direction of the plug-in contacts (14). The invention also relates to a heat sink for cooperation with the voltage divider device and to a method for mounting a voltage divider device onto a heat sink.
Description
A VOLTAGE DIVIDER DEVICE5 A HEAT SINK AND A METHOD RELATED THERETO
Technical field The present invention in a first aspect relates to a voltage divider device arranged to be mounted onto a heat sink, the voltage divider device including a frame and electric components mounted to the frame.
In a second aspect the invention relates to a heat sink having receiving means arranged for receiving a voltage divider device to be mounted onto the heat sink. In a third aspect the invention relates to a method for mounting a voltage divider device onto a heat sink, the voltage divider device including a frame and electric components mounted to the frame, the heat sink including receiving means for receiving the voltage divider device. Primarily, but not exclusively the invention concerns HV applications.
Background of the invention
A voltage divider device mounted onto a heat sink is generally known. Conventionally the voltage divider device is mounted to the heat sink by means of screws. In a tightly packed stack of power semiconductors change of voltage divider device and power semiconductors can be very difficult. It takes a long time. There is also a risk for failure of the components due to incorrect handling.
Description of the invention
The object of the present invention is to simplify the mounting of a voltage divider onto a heat sink.
This object according to the first aspect of the invention is met in that a voltage divider device of the kind in question includes the specific features that the device includes at least one plug-in contact arranged to cooperate with a contact in the heat sink, that the frame includes two, parallel side walls, each side wall being provided with guiding means for guiding movement of the frame relative to the heat sink at the mounting of the device to the heat sink, each guiding means including a groove or a tongue arranged to cooperate with the heat sink, the guiding means of the two side walls being in parallel and defining a direction of
movement, and in that said at least one plug-in contact has a connection direction that is parallel to said defined direction of movement.
By the guiding means the voltage divider device can be mounted onto a heat sink by a sliding movement like that of a drawer and when the movement is completed the plug-in contacts engage the corresponding plug-in contacts in the heat sink.
The mounting and electric connection of the voltage divider device thereby will be very simple. This considerably reduces the assembly time during manufacturing and downtime for change of components. Also the probability of failure of components due to incorrect handling is reduced, According to a preferred embodiment of the invented voltage divider device the frame includes means arranged to fix the voltage divider device to the heat sink.
Thereby the mounting of the voltage divider device will be secure.
According to a further preferred embodiment the electric components of the voltage divider device include HV diodes, snubber capacitors and voltage measuring means.
According to a further preferred embodiment the device includes a plurality of plug-in contacts arranged in parallel.
When the voltage divider device is complex and has many contacts the time saving through the invention is particularly accentuated. According to a further preferred embodiment each guiding means has a plurality of grooves or tongues.
The above preferred embodiments are specified in the claims, dependent on claim 1.
According to the second aspect of the invention the object of the invention is achieved in that a heat sink of the kind in question includes the specific features that the heat sink includes at least one plug-in contact arranged to cooperate with a contact on the voltage divider device and that the receiving means include two parallel side walls, each side wall being provided with guiding means for guiding movement of the voltage divider device relative to the heat sink at the mounting of the device to the heat sink, each guiding means including a tongue or a groove arranged to cooperate with the voltage divider device, the guiding means of the two side walls being in parallel and defining a direction of movement, and in that the at least one plug-in contact has a connection direction that is parallel to said defined direction of movement.
The invented heat sink provides an arrangement adapted to cooperate with the invented voltage divider device and thus results in corresponding advantages as those gained by the invented voltage divider device and which have been described above. According to preferred embodiments of the heat sink, it is arranged to cooperate with a voltage divider device according to the preferred embodiments thereof. According to the third aspect of the invention the method for mounting the voltage divider device onto a heat sink includes the specific measures of pushing the frame of the voltage divider device onto the receiving means of the heat sink with a linear movement guided by cooperating guiding means on the frame and on the receiving means respectively until a plug-in contact or contacts arranged on the voltage divider device is/are connected to a matching plug-in contact or contacts on the heat sink. According to preferred embodiments of the invented method it is performed with a voltage divider device according to the invention or any of the preferred embodiments thereof.
The invented method and the preferred embodiments thereof result in advantages corresponding to those gained by the invented voltage divider device and the preferred embodiments thereof. The invention is explained more in detail by the following description of an advantageous example thereof and with reference to the accompanying drawings.
Brief description of the drawings
Fig 1 is a perspective view of a voltage divider device according to the invention.
Fig 2 is a perspective view of a heat sink according to the invention.
Fig 3 is a perspective view corresponding to that of fig 2, but including a further detail.
Fig 4 is a perspective view of the voltage divider device when mounted onto the heat sink.
Detailed description of an advantageous example of the invention
Fig 1 is a perspective view of a voltage divider device according to the invention. The voltage divider has a generally U-shaped frame consisting of front wall 1 , a
rear wall 2, outer side walls 3, 4 and inner side walls 5, 6. The frame divides the voltage divider device into three compartments, where a first compartment 7 formed between the front 1 and rear 2 walls and the outer side walls 3, 4 which first compartment 7 houses the capacitors 10. A second compartment 8 is formed between the outer side wall 3 and the inner side wall 5 and houses diodes 1 1. A third compartment is formed between the outer side wall 4 and the inner side wall 6 and houses a voltage measuring device.
The rear wall 2 has an opening 13 in the middle thereof. Adjacent to this opening 13 in the capacitor compartment 7 a group of female plug-in contacts 14 is arranged.
The inside of each inner wall 5,6 has a spline 15,16.
Fig 2 in a perspective view shows a heat sink onto which the voltage divider device is to be mounted.
The heat sink has a mounting body 20 projecting from a main body 21. The mounting body 20 includes a hybrid circuit board 22 and is provided with a group of male plug-in contacts 23. The mounting body 20 has two side walls 24,25, each side wall 24,25 being provided with a groove 26.
In fig 3 the heat sink is shown in a view similar to that of fig 2, and illustrates how a sheet 27 of flexible and insulating material such as FRP is mounted above the hybrid circuit board 22 by means of two knobs 28. The FRP sheet 27 acts like a spring to mechanically hold the hybrid circuit board 22. The voltage divider device of fig 1 is arranged to be mounted onto the heat sink shown in figures 2 and 3. The tongues 15,16 on the inner side walls 5,6 of the voltage divider device and the grooves 26 on side walls 24,25 of the heat sink mounting part 20 match each other. The female plug-in contacts 14 of the voltage divider device and the male plug-in contacts 23 of the heat sink match each other. Mounting the voltage divider device onto the heat sink is performed by bringing the ends of the tongues 15,16 (the left ends in fig 1 ) to fit into the ends of the grooves 26 (the right ends in fig 2) and then push the voltage divider device in the leftward direction (as seen in fig 1 ) such that its movement is guided by the tongues 15,16 and grooves 26.
The voltage divider device thereby is pushed onto the mounting body 20 like a drawer until the plug-in contacts 14, 23 reach each other and become connected.
Fig 4 in a perspective view illustrates the voltage divider device when mounting has been completed. Thereafter the voltage divider device is fixed by mounting screws.
Claims
1. Voltage divider device arranged to be mounted onto a heat sink, the voltage divider including a frame (1 ,2,3,4,2,6) and electric components (10,1 1 ,12) mounted to the frame characterized in that the device includes at least one plug- in contact (14) arranged to cooperate with a contact (23) in the heat sink, in that the frame includes two parallel side walls (5,6), each side wall (5,6) being provided with guiding means including a groove or a tongue for guiding movement of the frame relative to the heat sink at the mounting of the device to the heat sink, the guiding means (15,16) of the two side walls (5,6) being in parallel and defining a direction of movement, and in that the at least one plug-in (14) contact has a connection direction that is parallel to said defined direction of movement.
2. A voltage divider device according to claim 1 characterized in that the frame includes means arranged to fix the voltage divider device to the heat sink.
3. A voltage divider device according to claim 1 or 2 characterized in that the electric components of the device include HV diodes (1 1 ), snubber capacitors (10) and voltage measuring means (12).
4. A voltage divider device according to any of claims 1 -3 characterized in that the device includes a plurality of plug-in contacts (14) arranged in parallel.
5. A voltage divider device according to any of claims 1 -4 characterized in that each guiding means has a plurality of grooves or tongues (15,16).
6. A heat sink having receiving means arranged for receiving a voltage divider device to be mounted in the heat sink, characterized in that the heat sink includes at least one plug-in contact (23) arranged to cooperate with a contact (14) on the voltage divider device, and that the receiving means includes two parallel side walls (24,25), each side wall being provided with guiding means for guiding movement of the voltage divider device relative to the heat sink at the mounting of the device to the heat sink, each guiding means including a tongue or a groove (24) arranged to cooperate with the voltage divider device, the guiding means (26) of the two side walls being in parallel and defining a direction of movement, and in that the at least one plug-in contact (23) has a connection direction that is parallel to said defined direction of movement.
7. A heat sink according to claim 6 characterized in that the heat sink is provided with a sheet of flexible and insulating material arranged to exert a spring action towards a hybrid circuit board (22) in the heat sink.
8. A heat sink according to claims 6 or 7 characterized in that the heat sink is arranged to cooperate with a voltage divider device according to any of claims 1 -5.
9. A method for mounting a voltage divider device onto a heat sink, the voltage divider device including a frame and electric components mounted to the frame, the heat sink including receiving means for receiving the voltage divider device characterized by pushing the frame of the voltage divider device onto the receiving means of the heat sink with a linear movement guided by cooperating guiding means on the frame and on the receiving means, respectively until a plug- in contact or contacts arranged on the voltage divider device is/are connected to a matching plug-in contact or contacts on the heat sink.
10. A method according to claim 9 characterized by locking the voltage divider device to the heat sink when the plug-in contacts are connected.
1 1. A method according to claim 9 or 10 characterized in that the method is performed with a voltage divider device according to any of the claims 1 -5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/SE2006/050096 WO2007129938A1 (en) | 2006-05-04 | 2006-05-04 | A voltage divider device, a heat sink and a method related thereto |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/SE2006/050096 WO2007129938A1 (en) | 2006-05-04 | 2006-05-04 | A voltage divider device, a heat sink and a method related thereto |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2007129938A1 true WO2007129938A1 (en) | 2007-11-15 |
Family
ID=38667975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/SE2006/050096 WO2007129938A1 (en) | 2006-05-04 | 2006-05-04 | A voltage divider device, a heat sink and a method related thereto |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2007129938A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468729A (en) * | 2015-08-20 | 2017-03-01 | 中国电力科学研究院 | A kind of divider with radiator structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3467891A (en) * | 1967-10-03 | 1969-09-16 | Gen Electric | Combination electrical,mechanical,and thermal connector assembly |
| US4470002A (en) * | 1981-06-05 | 1984-09-04 | Lucas Industries Plc | Mounting arrangements for electrical power circuits |
| US4546407A (en) * | 1983-10-31 | 1985-10-08 | Salvatore Benenati | Heat exchanging electronic module housing |
| US5436794A (en) * | 1994-08-31 | 1995-07-25 | Allen-Bradley Company, Inc. | Industrial controller card rack with heat transfer across card edges |
-
2006
- 2006-05-04 WO PCT/SE2006/050096 patent/WO2007129938A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3467891A (en) * | 1967-10-03 | 1969-09-16 | Gen Electric | Combination electrical,mechanical,and thermal connector assembly |
| US4470002A (en) * | 1981-06-05 | 1984-09-04 | Lucas Industries Plc | Mounting arrangements for electrical power circuits |
| US4546407A (en) * | 1983-10-31 | 1985-10-08 | Salvatore Benenati | Heat exchanging electronic module housing |
| US5436794A (en) * | 1994-08-31 | 1995-07-25 | Allen-Bradley Company, Inc. | Industrial controller card rack with heat transfer across card edges |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468729A (en) * | 2015-08-20 | 2017-03-01 | 中国电力科学研究院 | A kind of divider with radiator structure |
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