CN202758698U - High-power radio-frequency resistance - Google Patents
High-power radio-frequency resistance Download PDFInfo
- Publication number
- CN202758698U CN202758698U CN201220450882.8U CN201220450882U CN202758698U CN 202758698 U CN202758698 U CN 202758698U CN 201220450882 U CN201220450882 U CN 201220450882U CN 202758698 U CN202758698 U CN 202758698U
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- conductor
- ceramic
- resistance
- resistive element
- base body
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Abstract
The utility model discloses a high-power radio-frequency resistance which comprises a ceramic base body, a ceramic sealing cap and an installation flange. The ceramic base body is fixedly connected with the installation flange, and is an aluminum nitride ceramic base body or a beryllium oxide ceramic body. Resistor bodies, an input conductor and a grounding conductor are connected between the ceramic sealing cap and the ceramic base body, wherein the resistor bodies are formed by resistance sizing agents, and the input conductor and the grounding conductor are formed by conductor sizing agents. The resistor bodies are electrically connected with one leading wire through the input conductor. The resistor bodies are connected with the ground through the grounding conductor. Two or more resistor bodies are formed by the resistance sizing agents. Each resistor body, the input conductor and the grounding conductor are connected between the ceramic sealing cap and the ceramic base body. According to the high-power radio-frequency resistance, one or more resistor bodies are electrically connected with the leading wire through the input conductor, and therefore heat dissipation can be achieved and connection is convenient. In addition, one or more resistor bodies matched with the aluminum nitride ceramic base body or the beryllium oxide ceramic body are beneficial for heat dissipation, wherein the aluminum nitride ceramic base body or the beryllium oxide ceramic body is beneficial for heat dissipation.
Description
Technical field
The utility model relates to the standard resistor components and parts that use in a kind of microwave radio field, relates in particular to a kind of high power RF resistance.
Background technology
Radio-frequency resistance is widely used in the microwave radio field, owing to the resistance of radio-frequency resistance can change with variation with temperature, therefore, has preferably stability in order to guarantee radio-frequency resistance, need to have preferably thermal diffusivity; In addition, poor radiation also is not easy to make high power RF resistance.
The utility model content
The purpose of this utility model is to overcome deficiency of the prior art, and a kind of high power RF resistance of being convenient to dispel the heat and being convenient to winding is provided.
For achieving the above object, described high power RF resistance comprises ceramic matrix, ceramic sealing cap and mounting flange, and described ceramic matrix is fixedly connected on the mounting flange; Be characterized in, described ceramic matrix is aluminium nitride ceramics matrix or beryllium oxide ceramics matrix; The resistive element that resistance slurry forms, and input conductor and earthing conductor that conductor paste forms are connected between described ceramic sealing cap and the ceramic matrix; Described resistive element is electrically connected with a lead-in wire by input conductor, and described resistive element is by earthing conductor ground connection.
Preferably, resistance slurry forms two or more described resistive elements, and each resistive element and described input conductor and earthing conductor are connected between ceramic sealing cap and the ceramic matrix.
Preferably, described input conductor and earthing conductor lay respectively at the both sides of each resistive element.
The beneficial effects of the utility model are, in the described high power RF resistance, one or more resistive elements are electrically connected with lead-in wire by input conductor, not only have been conducive to dispel the heat but also be convenient to winding; In addition, cooperate so that the aluminium nitride ceramics matrix of heat radiation or beryllium oxide ceramics matrix more are conducive to heat radiation.
Description of drawings
Fig. 1 shows the STRUCTURE DECOMPOSITION figure of the high power RF resistance with a resistive element.
Fig. 2 shows the annexation schematic diagram of the high power RF resistance with two resistive elements.
Embodiment
The utility model is described in more detail below in conjunction with the drawings and specific embodiments:
As depicted in figs. 1 and 2, described high power RF resistance comprises ceramic matrix 5, ceramic sealing cap 1 and mounting flange 6, and described ceramic matrix 5 is fixedly connected on the mounting flange 6; Described ceramic matrix 5 is aluminium nitride ceramics matrix or beryllium oxide ceramics matrix.The resistive element 4 that resistance slurry forms, and the conductor 3 that conductor paste forms is connected between described ceramic sealing cap 1 and the ceramic matrix 5, described conductor 3 comprises input conductor and earthing conductor; Described resistive element 4 is electrically connected with a lead-in wire 2 by input conductor, and described resistive element 4 is by earthing conductor ground connection.
As shown in Figure 2, when described high power RF resistance has the first resistive element 41 and 42 two resistive elements of the second resistive element, this first resistive element 41, the second resistive element 42 and input conductor and earthing conductor are connected between described ceramic sealing cap 1 and the ceramic matrix 5, described input conductor comprises the first input conductor 31 separated from one another and the second input conductor 32 two parts, and described earthing conductor comprises the first earthing conductor 33 and the second earthing conductor 34 two parts, and the first earthing conductor 33, the second earthing conductor 34 form " L " shape.Wherein, on the one hand, the first input conductor 31 connects the rear end of the first resistive element 41, and the front end of the first resistive element 41 connects the rear end of described the second resistive element 42 by one second input conductor 32; On the other hand, the first earthing conductor 33 connects the left end of the first resistive element 41, and the second earthing conductor 34 connects the front end of the second resistive element 42.
Being the utility model preferred embodiment only in sum, is not to limit practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should belong to technology category of the present utility model.
Claims (3)
1. a high power RF resistance comprises ceramic matrix, ceramic sealing cap and mounting flange, and described ceramic matrix is fixedly connected on the mounting flange; It is characterized in that: described ceramic matrix is aluminium nitride ceramics matrix or beryllium oxide ceramics matrix; The resistive element that resistance slurry forms, and input conductor and earthing conductor that conductor paste forms are connected between described ceramic sealing cap and the ceramic matrix; Described resistive element is electrically connected with a lead-in wire by input conductor, and described resistive element is by earthing conductor ground connection.
2. a kind of high power RF resistance according to claim 1, it is characterized in that: resistance slurry forms two or more described resistive elements, and each resistive element and described input conductor and earthing conductor are connected between ceramic sealing cap and the ceramic matrix.
3. a kind of high power RF resistance according to claim 2, it is characterized in that: described input conductor and earthing conductor lay respectively at the both sides of each resistive element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220450882.8U CN202758698U (en) | 2012-09-06 | 2012-09-06 | High-power radio-frequency resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220450882.8U CN202758698U (en) | 2012-09-06 | 2012-09-06 | High-power radio-frequency resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202758698U true CN202758698U (en) | 2013-02-27 |
Family
ID=47737867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220450882.8U Expired - Lifetime CN202758698U (en) | 2012-09-06 | 2012-09-06 | High-power radio-frequency resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202758698U (en) |
-
2012
- 2012-09-06 CN CN201220450882.8U patent/CN202758698U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 4th floor, building D, Chiwan Industrial Park, No.1, Shaodi Road, Shekou, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen yulongtong Electronic Co.,Ltd. Address before: 518000 4th floor, building D, Chiwan Industrial Park, No.1, Shaodi Road, Shekou, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN YULONGTONG ELECTRON Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130227 |