CN209912641U - Adjustable thick-film power network resistor module with common end structure and tap - Google Patents
Adjustable thick-film power network resistor module with common end structure and tap Download PDFInfo
- Publication number
- CN209912641U CN209912641U CN201920882515.7U CN201920882515U CN209912641U CN 209912641 U CN209912641 U CN 209912641U CN 201920882515 U CN201920882515 U CN 201920882515U CN 209912641 U CN209912641 U CN 209912641U
- Authority
- CN
- China
- Prior art keywords
- thick
- electrode
- ceramic substrate
- independent
- power network
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Thermistors And Varistors (AREA)
Abstract
The utility model discloses a take a percentage adjustable thick film power network resistance module with public end structure, including porcelain base plate, casing, porcelain base plate fixed mounting in the casing, porcelain base plate and casing looks adaptation, the printing has 2 at least thick film resistors on the porcelain base plate, and arrange evenly; the ceramic substrate is also printed with 1 public terminal electrode and at least 2 independent electrodes (3 can be designed), the public terminal electrode and the independent electrodes are positioned on the same side through the extension design, each thick film resistor corresponds to 1 independent electrode, one side of each thick film resistor is electrically communicated with the public terminal electrode, and the other side of each thick film resistor is electrically communicated with the independent electrodes; the resistors with different resistance values are obtained by selecting the combination mode of the independent electrode-common terminal electrode and the independent electrode-independent electrode. The utility model discloses make the user can the free choice resistor resistance to be applicable to the occasion that needs switch different resistance values.
Description
Technical Field
The utility model belongs to the electronic components field, in particular to resistor.
Background
At present, resistors sold in the market have high requirements on the medium area and the heat dissipation effect on a ceramic substrate, and the ceramic substrate is welded with a metal bottom plate for the purposes of installation and heat dissipation. Due to different thermal expansion coefficients of the ceramic substrate and the metal, the metal bottom plate can be seriously deformed in the welding process, and the larger the area of the bottom plate is, the more serious the deformation is. In addition, the thick film resistor provided in the market today usually has a single resistor that can only function as a resistor with a single resistance value, and the resistance value of the resistor cannot be freely selected, so that the thick film resistor is not suitable for occasions where different resistance values need to be switched.
Patent cn201420050656.x discloses a mounting type thick film planar high-power resistor, which comprises a first aluminum oxide ceramic sheet, a second aluminum oxide ceramic sheet and a shell; palladium-silver electrodes are sintered on two sides of the first aluminum oxide ceramic wafer, pins are welded on each palladium-silver electrode, a resistance slurry layer is also sintered on the first aluminum oxide ceramic wafer and is arranged between the palladium-silver electrodes, and a copper sheet is welded between the first aluminum oxide ceramic wafer and the second aluminum oxide ceramic wafer to form a composite substrate; the shell is provided with an accommodating cavity, and the composite substrate is fixed in the accommodating cavity; two pin pieces are also arranged on the shell, and each pin piece is welded with the corresponding pin. The utility model adopts only one shell for installation, changes the traditional mode that the inner shell and the outer shell are required to be jointly packaged, greatly reduces the volume of the resistor by improving the structure, and realizes the effect of volume miniaturization; but the resistor can only realize the function of a resistor with a single resistance value and cannot switch different resistance values.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a take public end structure, take a percentage adjustable type thick film power network resistance module, this resistor can the free choice resistor resistance to be applicable to the occasion that needs switch different resistance values.
Another object of the utility model is to provide a take public end structure, take a percentage adjustable type thick film power network resistance module, this resistor simple to operate, installation are stable.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a tap adjustable thick-film power network resistor module with a common end structure comprises a ceramic substrate and a shell, wherein the ceramic substrate is fixedly arranged in the shell and is matched with the shell, and at least 2 thick-film resistors are printed on the ceramic substrate and are uniformly distributed; the ceramic substrate is also printed with 1 public terminal electrode and at least 2 independent electrodes, and the public terminal electrode and the independent electrodes are positioned on the same side; each thick film resistor corresponds to 1 independent electrode; one side of the thick film resistor is electrically communicated with the public end electrode, and the other side of the thick film resistor is electrically communicated with the independent electrode; the resistors with different resistance values are obtained by sequentially conducting the independent electrode corresponding to the single thick-film resistor and the public terminal electrode or electrically conducting the independent electrode and the independent electrode.
The utility model discloses in, through selecting independent electrode-public terminal electrode or independent electrode-independent electrode, obtain the resistance of different resistances, make the user can the free choice resistor resistance to be applicable to the occasion that needs switch different resistance values. The common electrode and the independent electrode are positioned on the same side through extension design.
Specifically, a first insulating layer is further printed on the ceramic substrate, and the first insulating layer is stacked above the thick film resistor to protect the thick film resistor.
Specifically, the ceramic substrate is further printed with a second insulating layer for respectively separating the adjacent independent electrode and the common terminal electrode and improving the creepage capacity between the independent electrode and the common terminal electrode.
Specifically, leading-out terminals are welded on the independent electrode and the public end electrode, and the leading-out terminals penetrate through the shell and extend outwards. The leading-out terminal is convenient for wiring and use.
Specifically, the housing is provided with a leading-out port which is matched with the leading-out terminal and corresponds to the leading-out terminal in position, and the leading-out terminal is inserted into the leading-out port and extends outwards.
Specifically, open in the casing has the mounting groove, porcelain base plate fixed mounting be in on the mounting groove, and the upper surface with the mounting groove bottom surface is kept flat. The mounting groove is convenient for mounting the porcelain substrate.
Specifically, a first mounting hole symmetrical about a center line of the porcelain substrate is formed in the porcelain substrate, support columns are symmetrically arranged in the shell, second mounting holes stacked above the first mounting hole are formed in the support columns, and the first mounting hole and the second mounting hole form a mounting hole used for being assembled with an external component; all scribble fixed glue around the support column on the mounting groove, through fixed glue will the casing with the porcelain base plate is fixed. The arrangement of the first mounting hole and the second mounting hole is convenient to mount and stable to mount.
Specifically, the porcelain base plate is 4.5mm thick, 99mm long, 39mm wide, the porcelain base plate is the alumina porcelain base plate.
In practice, the mark is provided near the leading-out opening to facilitate the identification of each leading-out terminal.
The utility model has the advantages that:
compared with the prior art, the utility model discloses a to switch on with the independent electrode and the public terminal electrode that single thick film resistor corresponds in proper order, perhaps independent electrode and independent electrode switch on, obtain the resistance of different resistances, make the user can the free choice resistor resistance to be applicable to the occasion that needs switch different resistance values.
In addition, the resistor is convenient to mount and stable to mount.
Drawings
Fig. 1 is a schematic structural diagram of an adjustable thick film power network resistor module with a common terminal structure and a tap according to the present invention.
Fig. 2 is a schematic structural diagram of a housing in an adjustable thick film power network resistor module with a common terminal structure and a tap according to the present invention.
Fig. 3 is a schematic diagram of a local structure of an adjustable thick film power network resistor module with a common terminal structure and a tap according to the present invention.
Fig. 4 is a schematic plan view of a ceramic substrate in an adjustable thick film power network resistor module with a common terminal structure and a tap according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical scheme of the utility model as follows:
as shown in fig. 1-4, the utility model provides an adjustable thick film power network resistor module with a common terminal structure and taps, which comprises a ceramic substrate 1 and a shell 2, wherein the ceramic substrate 1 is fixedly installed in the shell 2, the ceramic substrate 1 is matched with the shell 2, and at least 2 thick film resistors 3 are printed on the ceramic substrate 1 and are uniformly arranged; 1 public terminal electrode 4 and at least 2 independent electrodes 5 are printed on the porcelain substrate 1, and the public terminal electrode 4 and the independent electrodes 5 are positioned on the same side; each thick film resistor 3 corresponds to 1 independent electrode 5; one side of the thick film resistor 3 is electrically communicated with the public end electrode 4, and the other side is electrically communicated with the independent electrode 5; the resistors with different resistance values are obtained by sequentially conducting the independent electrode 5 corresponding to the single thick film resistor 3 and the common terminal electrode 4 or electrically conducting the independent electrodes 5.
Wherein, can print 3 thick film resistors 3 of sintering on ceramic substrate 2, and the rete area homogeneous phase of thick film resistor 3 equals, and the interval between the thick film resistor 3 is the same.
The utility model discloses in, through selecting independent electrode-public terminal electrode or independent electrode-independent electrode, obtain the resistance of different resistances, make the user can the free choice resistor resistance to be applicable to the occasion that needs switch different resistance values. The common electrode 4 is designed to be extended to be located on the same side as the independent electrode 5.
In this embodiment, a first insulating layer (not shown) is further printed on the ceramic substrate 1, and the first insulating layer is laminated on the thick film resistor 3 to protect the thick film resistor 3.
In this embodiment, a second insulating layer 11 is further printed on the ceramic substrate 1 to separate the adjacent individual electrodes 5 and the common electrode 4. The second insulating layer 11 improves the creepage between the adjacent individual electrodes 5, between the individual electrodes 5 and the common terminal electrode 4.
In this embodiment, the common electrode 4 and the individual electrodes 5 are welded with lead terminals 6, and the lead terminals 6 penetrate through the housing 2 and extend outward. The leading-out terminal 6 is convenient for wiring and use.
In this embodiment, the housing 2 is provided with a lead-out opening 21 adapted to and corresponding to the lead-out terminal 6, and the lead-out terminal 6 is inserted into the lead-out opening 21 and extends outward.
In this embodiment, the housing 2 has a mounting groove 22 formed therein, and the ceramic substrate 1 is fixedly mounted on the mounting groove 22, and the upper surface of the ceramic substrate is flush with the bottom surface of the mounting groove 22. The mounting groove 22 facilitates mounting of the porcelain substrate 1.
In this embodiment, the porcelain substrate 1 is provided with first mounting holes 12 symmetrical about a center line of the porcelain substrate 1, the housing 2 is internally provided with support pillars 23 symmetrically, the support pillars 23 are provided with second mounting holes 24 stacked above the first mounting holes 12, and the first mounting holes 12 and the second mounting holes 24 form mounting holes 7 for assembling with external components; fixing glue (not shown) is coated on the periphery of the supporting column 23 and the mounting groove 22, and the shell 2 and the ceramic substrate 1 are fixed through the fixing glue. The arrangement of the first mounting hole 12 and the second mounting hole 24 is convenient to mount and stable to mount.
In practice, the mark is provided near the lead-out opening 21 to facilitate the identification of each lead-out terminal 6.
In this example, the porcelain substrate 1 was 4.5mm thick, 99mm long and 39mm wide, and the porcelain substrate 1 was an alumina porcelain substrate.
The utility model has the advantages that:
compared with the prior art, the utility model discloses a to switch on with the independent electrode and the public terminal electrode that single thick film resistor corresponds in proper order, perhaps independent electrode and independent electrode switch on, obtain the resistance of different resistances, make the user can the free choice resistor resistance to be applicable to the occasion that needs switch different resistance values.
In addition, the resistor is convenient to mount and stable to mount.
The above description is intended to be illustrative of the present invention and is not intended to be limiting, and all such modifications, equivalents and improvements as fall within the spirit and scope of the invention are intended to be included therein.
Claims (8)
1. The adjustable thick-film power network resistor module with the common end structure and the taps is characterized by comprising a ceramic substrate and a shell, wherein the ceramic substrate is fixedly arranged in the shell and is matched with the shell, and at least 2 thick-film resistors are printed on the ceramic substrate and are uniformly distributed; the ceramic substrate is also printed with 1 public terminal electrode and at least 2 independent electrodes, and the public terminal electrode and the independent electrodes are positioned on the same side; each thick film resistor corresponds to 1 independent electrode; one side of the thick film resistor is electrically communicated with the public end electrode, and the other side of the thick film resistor is electrically communicated with the independent electrode; the resistors with different resistance values are obtained by sequentially conducting the independent electrode corresponding to the single thick-film resistor and the public terminal electrode or electrically conducting the independent electrode and the independent electrode.
2. The thick-film power network resistor module with the common-end structure and the adjustable tap as claimed in claim 1, wherein a first insulating layer is further printed on the ceramic substrate, and the first insulating layer is stacked above the thick-film resistor.
3. The adjustable thick-film power network resistor module with the common terminal structure and the tap of claim 1, wherein a second insulating layer is further printed on the ceramic substrate and used for respectively separating the adjacent independent electrode and the adjacent common terminal electrode.
4. The adjustable thick-film power network resistor module with a common terminal structure and a tap of claim 1, wherein lead-out terminals are welded on the independent electrode and the common terminal electrode, and the lead-out terminals penetrate through the shell and extend outwards.
5. The thick film power network resistor module with the common terminal structure and the adjustable tap as claimed in claim 4, wherein the housing has an outlet corresponding to the position of the lead-out terminal, and the lead-out terminal is inserted into the outlet and extends outward.
6. The adjustable thick-film power network resistor module with the common-end structure and the tap of claim 1, wherein a mounting groove is formed in the housing, the ceramic substrate is fixedly mounted on the mounting groove, and the upper surface of the ceramic substrate is flush with the bottom surface of the mounting groove.
7. The thick-film power network resistor module with the common-end structure and the adjustable tap as claimed in claim 6, wherein the ceramic substrate is provided with first mounting holes symmetrical with respect to a center line of the ceramic substrate, the housing is symmetrically provided with support pillars, the support pillars are provided with second mounting holes stacked above the first mounting holes, and the first mounting holes and the second mounting holes form mounting holes for assembling with external components; all scribble fixed glue around the support column on the mounting groove, through fixed glue will the casing with the porcelain base plate is fixed.
8. The adjustable thick-film power network resistor module with the common-end structure and the tap of claim 1, wherein the ceramic substrate is 4.5mm thick, 99mm long and 39mm wide, and is an alumina ceramic substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920882515.7U CN209912641U (en) | 2019-06-13 | 2019-06-13 | Adjustable thick-film power network resistor module with common end structure and tap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920882515.7U CN209912641U (en) | 2019-06-13 | 2019-06-13 | Adjustable thick-film power network resistor module with common end structure and tap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209912641U true CN209912641U (en) | 2020-01-07 |
Family
ID=69049902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920882515.7U Active CN209912641U (en) | 2019-06-13 | 2019-06-13 | Adjustable thick-film power network resistor module with common end structure and tap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209912641U (en) |
-
2019
- 2019-06-13 CN CN201920882515.7U patent/CN209912641U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100801777B1 (en) | Solid electrolytic capacitor | |
| JPH07192902A (en) | Resistor having smd structure, manufacture thereof, and printed-circuit board provided therewith | |
| CN209912641U (en) | Adjustable thick-film power network resistor module with common end structure and tap | |
| CN114334458A (en) | SMD high-voltage capacitor | |
| CN109346449B (en) | High-power high-voltage LTCC module heat dissipation package | |
| US8451085B1 (en) | Co-fired multi-layer stack chip resistor and manufacturing method | |
| CN204131823U (en) | Novel high heat-conduction circuit board | |
| CN202758689U (en) | Thick-film super-power planar resistor of composite base plate | |
| CN203690029U (en) | Mounting type planar thick-film high-power resistor | |
| US20060108353A1 (en) | Electrical device having a heat generating resistive element | |
| CN202308039U (en) | Novel aluminum base plate | |
| CN209929070U (en) | Novel radiator installation glass glaze film fixed resistor | |
| CN209912638U (en) | Single-layer ceramic chip type thick film high-power resistor | |
| CN210896819U (en) | Medium power resistor with temperature protection | |
| CN208208459U (en) | A kind of high-power antisurge alloy sheet resistance of two-sided resistive layer structure | |
| CN205582647U (en) | Noninductive power resistor of thick film | |
| CN209912633U (en) | Power resistor module with insulating lead wire type and two-in-one fixed voltage division ratio structure | |
| CN220962931U (en) | High-power modular resistor | |
| CN212647977U (en) | Power non-inductive resistor in plane thick film | |
| CN220290637U (en) | Screen printing ceramic capacitor | |
| US20160172084A1 (en) | Resistor element and method of manufacturing the same | |
| CN215183339U (en) | Flexible lead thick film resistor heating source | |
| CN219534186U (en) | Small square water-cooling resistor module | |
| CN216390949U (en) | Pulse width modulation power thick film circuit | |
| JP3194546B2 (en) | Multilayer transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211028 Address after: 523648 Room 101, building 17, Lihe Bauhinia intelligent manufacturing center, No. 105, Qingbin East Road, Qingxi Town, Dongguan City, Guangdong Province Patentee after: GUANGDONG YIJIE TECHNOLOGY Co.,Ltd. Address before: 518000 Guangdong Shenzhen Nanshan District science and Technology Park 1 Nanshan District science and Technology Park standard workshop 23 north 5, 6 level Patentee before: EBG-SHENZHEN Co.,Ltd. |