CN210519018U - Circuit board for preventing carbon oil leakage short circuit - Google Patents
Circuit board for preventing carbon oil leakage short circuit Download PDFInfo
- Publication number
- CN210519018U CN210519018U CN201921579046.8U CN201921579046U CN210519018U CN 210519018 U CN210519018 U CN 210519018U CN 201921579046 U CN201921579046 U CN 201921579046U CN 210519018 U CN210519018 U CN 210519018U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- carbon oil
- board main
- main part
- stopper
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Casings For Electric Apparatus (AREA)
Abstract
The utility model relates to the technical field of circuit boards, in particular to a circuit board for preventing carbon oil seepage short circuit, which comprises a circuit board main body, wherein a carbon oil line groove is fixed on the upper end surface of the circuit board main body in an S shape from left to right, the front end and the rear end of the carbon oil line groove are respectively close to the front end and the rear end of the circuit board main body, and the carbon oil line groove comprises a first stopper and a second stopper; the utility model discloses a first stopper and second stopper that set up in the circuit board main part, this first stopper and second stopper have formed the carbon oil circuit groove that has the guide effect in the circuit board main part simultaneously, thereby when having guaranteed to print carbon oil in the circuit board main part, carbon oil can carry out the guidance nature flow of "S" form along with the clearance of carbon oil circuit inslot portion, avoid carbon oil to lead to the problem that the flow direction changes because the unevenness that circuit board main part was placed, thereby avoided carbon oil the problem of oil impregnate to appear.
Description
Technical Field
The utility model relates to a circuit board technical field, concretely relates to prevent circuit board of carbon oil impregnate short circuit.
Background
Most of the existing circuit boards are printed with carbon oil, and the carbon oil printing refers to that a screen printing technology is adopted, the carbon oil is printed at the appointed position of a PCB, and a qualified carbon film with a certain resistance value is formed after an oven curing test to replace the original resistance element. The manufacturing is similar to character silk-screen printing, the difference is that the carbon oil has good conductive performance, and the characters are made of semiconductor materials and only play roles in marking and isolated welding.
When the carbon oil is printed on the circuit board, the surface of the circuit board is smooth, and the printed carbon oil can possibly cause the condition of change of the flow direction due to the unevenness of the circuit board, so that part of the carbon oil with the changed flow direction permeates into the circuit board, and the circuit board is short-circuited or scrapped.
SUMMERY OF THE UTILITY MODEL
The circuit board to prior art not enough, the utility model provides a prevent carbon oil impregnate short circuit, to prior art not enough, this design possesses can inject the printing route of carbon oil, guarantees the advantage that the oil impregnate does not appear in the carbon oil, has solved the carbon oil on the original circuit board and has appeared the oil impregnate easily and lead to the problem of circuit board short circuit.
The utility model discloses a prevent circuit board of carbon oil impregnate short circuit, including circuit board main part, turn right from a left side and be "S" shape and be fixed with carbon oil circuit groove in the up end of circuit board main part, both ends are close to the front end and the rear end of circuit board main part respectively around this carbon oil circuit groove, carbon oil circuit groove is including first stopper and second stopper, leave the clearance between first stopper and the second stopper, and the carbon oil circuit groove that is "S" shape communicates through the clearance each other, and is equipped with carbon oil in this clearance.
The utility model discloses a prevent circuit board of carbon oil impregnate short circuit, wherein, the front view of first stopper is the form of "+", the front view of second stopper is the form of "┐", and the top of first stopper and second stopper is the opening form, and this design, can effectually make the inside clearance that can form the guide effect of carbon oil line inslot to make carbon oil can flow along the clearance, avoid the problem that the oil impregnate appears in the carbon oil simultaneously.
The utility model discloses a circuit board for preventing carbon oil leakage short circuit, wherein, the bottom of the circuit board main body is glued and fixedly connected with a layer of heat dissipation rubber mat, and the heat dissipation rubber mat is composed of an insulating heat-conducting silicone grease board; the appearance of this design, the heat dispersion that can effectual promotion this circuit board main part.
The utility model discloses a circuit board for preventing carbon oil seepage short circuit, wherein, the left and right both sides of circuit board main part are all clamped with the bearer bar, three screw holes that the interval equals are vertically arranged along one side of keeping away from the circuit board main part to the up end of bearer bar, one side of bearer bar near the circuit board main part is vertically arranged with the spout; through the fender frame of design, can effectually make the circuit board main part pass through the fender frame and fix inside equipment, promote steadiness and insulating nature, conveniently carry out the dismouting to whole circuit board main part simultaneously.
The utility model discloses a circuit board for preventing carbon oil leakage short circuit, wherein, the left and right sliding card of the circuit board main body is connected in the sliding groove of two protective frames, the protective frames are made of insulating hard rubber; this design can effectually avoid circuit board main part and other circuit board direct contact to promote the insulating nature of this circuit board main part.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a first stopper and second stopper that set up on the circuit board main part, this first stopper and second stopper have formed the carbon oil circuit groove that has the guide effect in the circuit board main part simultaneously to when having guaranteed to print carbon oil on the circuit board main part, carbon oil can carry out the guidance nature flow of "S" form along with the clearance of carbon oil circuit inslot, avoid carbon oil because the unevenness that circuit board main part was placed leads to the problem that the flow direction changes, thereby avoided carbon oil to appear the problem of oil impregnate; this design, the effectual carbon oil that has solved on the original circuit board appears the oil impregnate easily and leads to the problem of circuit board short circuit.
2. The utility model can improve the heat dispersion of the circuit board cylinder and avoid the damage of the circuit board main body because the heat can not be led out in time through the designed heat dispersion rubber pad; through the fender frame of design, can effectually make the circuit board main part pass through the fender frame and fix inside equipment, promote steadiness and insulating nature, conveniently carry out the dismouting to whole circuit board main part simultaneously.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of a partial cross-sectional structure of the front view of the present invention;
fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;
fig. 4 is a schematic top view of the present invention;
fig. 5 is an enlarged schematic view of a portion a of fig. 4 according to the present invention;
fig. 6 is a schematic perspective view of the protection frame of the present invention.
In the figure: 1. a circuit board main body; 2. a heat dissipation rubber pad; 3. a carbon oil line tank; 31. a first stopper; 32. a second limiting block; 33. carbon oil; 4. a protective frame; 41. a threaded hole; 42. a chute.
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Please refer to fig. 1-6, the utility model discloses a prevent circuit board of carbon oil impregnate short circuit, including circuit board main part 1, turn right from a left side and be "S" shape from the upper end of circuit board main part 1 and be fixed with carbon oil circuit groove 3, both ends are close to the front end and the rear end of circuit board main part 1 respectively around this carbon oil circuit groove 3, carbon oil circuit groove 3 is including first stopper 31 and second stopper 32, leave the clearance between first stopper 31 and the second stopper 32, and the carbon oil circuit groove 3 that is "S" shape communicates through the clearance each other, and is equipped with carbon oil 33 in this clearance.
The front view surface of the first limiting block 31 is in a gamma shape, the front view surface of the second limiting block 32 is in an ┐ shape, and the tops of the first limiting block 31 and the second limiting block 32 are in an opening shape, and by means of the design scheme, a gap with a guiding effect can be formed inside the carbon oil line groove 3 effectively, so that the carbon oil 33 can flow along the gap, and the problem of oil seepage of the carbon oil 33 is avoided.
The bottom of the circuit board main body 1 is fixedly connected with a layer of heat dissipation rubber mat 2 in a gluing way, and the heat dissipation rubber mat 2 is composed of an insulating heat-conducting silicone grease plate; the appearance of this design, the heat dispersion that can effectual promotion this circuit board main part 1.
The left side and the right side of the circuit board main body 1 are respectively clamped with a protection frame 4, three threaded holes 41 with equal intervals are longitudinally arranged on one side of the upper end surface of the protection frame 4, which is far away from the circuit board main body 1, and a sliding groove 42 is longitudinally arranged on one side of the protection frame 4, which is close to the circuit board main body 1; through the fender frame 4 of design, can effectually make circuit board main part 1 fix inside equipment through fender frame 4, promote steadiness and insulating nature, conveniently carry out the dismouting to whole circuit board main part 1 simultaneously.
The left and right sliding joints of the circuit board main body 1 are clamped in the sliding grooves 42 of the two protection frames 4, and the protection frames 4 are made of insulating hard rubber; this design can effectually avoid circuit board main part 1 and other circuit boards direct contact to promote the insulating nature of this circuit board main part 1.
When the utility model is used (working principle), the carbon oil line groove 3 with guiding function is formed on the circuit board main body 1 through the first limiting block 31 and the second limiting block 32 arranged on the circuit board main body 1, so that when the carbon oil 33 is printed on the circuit board main body 1, the carbon oil 33 can flow along with the guiding performance of the S shape along with the gap inside the carbon oil line groove 3, the problem that the flow direction of the carbon oil 33 is changed due to the uneven placement of the circuit board main body 1 is avoided, and the problem of oil seepage of the carbon oil 33 is avoided;
when the whole circuit board main body 1 is installed, the circuit board main body 1 is firstly clamped in the sliding grooves 42 of the two protection frames 4, and then the circuit board main body is connected inside the equipment through the screw holes 41.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a prevent circuit board of carbon oil impregnate short circuit, includes circuit board main part (1), its characterized in that: the upper end face of circuit board main part (1) is turned right from a left side and is "S" shape and is fixed with carbon oil circuit groove (3), and both ends are close to front end and the rear end of circuit board main part (1) respectively around this carbon oil circuit groove (3), carbon oil circuit groove (3) are including first stopper (31) and second stopper (32), leave the clearance between first stopper (31) and second stopper (32), and carbon oil circuit groove (3) that are "S" shape communicate each other through the clearance, and are equipped with carbon oil (33) in this clearance.
2. The circuit board for preventing the carbon-oil leakage short circuit according to claim 1, wherein the front view surface of the first limiting block (31) is in a shape of a Gamma, the front view surface of the second limiting block (32) is in a shape of ┐, and the tops of the first limiting block (31) and the second limiting block (32) are open.
3. The circuit board for preventing carbon oil leakage short circuit according to claim 1, wherein: the bottom of the circuit board main body (1) is glued and fixedly connected with a layer of heat dissipation rubber mat (2), and the heat dissipation rubber mat (2) is composed of an insulation heat conduction silicone grease plate.
4. The circuit board for preventing carbon oil leakage short circuit according to claim 1, wherein: the equal joint in left and right both sides of circuit board main part (1) has protecting frame (4), threaded hole (41) that three interval equals are vertically seted up along one side of vertically seting up to the up end of protecting frame (4) and keeping away from circuit board main part (1), spout (42) have vertically been seted up along one side that protecting frame (4) are close to circuit board main part (1).
5. The circuit board for preventing carbon oil leakage short circuit according to claim 1, wherein: the left and right sliding joints of the circuit board main body (1) are connected in the sliding grooves (42) of the two protection frames (4), and the protection frames (4) are made of insulating hard rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921579046.8U CN210519018U (en) | 2019-09-23 | 2019-09-23 | Circuit board for preventing carbon oil leakage short circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921579046.8U CN210519018U (en) | 2019-09-23 | 2019-09-23 | Circuit board for preventing carbon oil leakage short circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210519018U true CN210519018U (en) | 2020-05-12 |
Family
ID=70571115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921579046.8U Expired - Fee Related CN210519018U (en) | 2019-09-23 | 2019-09-23 | Circuit board for preventing carbon oil leakage short circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210519018U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113056100A (en) * | 2021-02-26 | 2021-06-29 | 惠州市金百泽电路科技有限公司 | Manufacturing method of high-precision buried conductive carbon oil resistor printed circuit board |
-
2019
- 2019-09-23 CN CN201921579046.8U patent/CN210519018U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113056100A (en) * | 2021-02-26 | 2021-06-29 | 惠州市金百泽电路科技有限公司 | Manufacturing method of high-precision buried conductive carbon oil resistor printed circuit board |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210519018U (en) | Circuit board for preventing carbon oil leakage short circuit | |
| DE4332115A1 (en) | Arrangement for extracting heat from a printed circuit board which has at least one heat sink | |
| CN209116228U (en) | A kind of automobile combined switch polychromatic light anti-scatter light guide column structure | |
| SE9303342L (en) | Device at a magazine | |
| CN203691749U (en) | Circuit board assembly | |
| CN207969080U (en) | One kind is anti-to stick up heat radiation type PCB heat board | |
| CN206640866U (en) | The pcb board of solder shorts can be prevented | |
| CN206908946U (en) | A kind of high wiring density printed circuit board (PCB) | |
| CN210641135U (en) | Novel multilayer PCB circuit board | |
| CN208782933U (en) | A kind of mobile phone camera module group of dimension limit | |
| CN207720523U (en) | A kind of Spliced circuit board | |
| CN209299579U (en) | A kind of single-clad board suitable for handwriting pad | |
| CN207676590U (en) | LED digital display screens | |
| CN207625875U (en) | A kind of multilayer printed wiring board | |
| CN209785668U (en) | SMD piezoresistor | |
| CN212513069U (en) | PCB screen printing detection jig | |
| CN210579691U (en) | Waterproof conductive rubber plate for automobile | |
| CN207382662U (en) | A kind of heat-resisting pcb board structure of high reliability | |
| CN219577355U (en) | PCB board with heat conduction structure | |
| CN217307965U (en) | Flexible circuit board with magnetic suction radiating assembly | |
| CN211959846U (en) | Multilayer PCB board mounting structure | |
| CN220359415U (en) | Printed circuit board with protection function | |
| CN214381544U (en) | Multilayer circuit board of easily cooling | |
| CN210721378U (en) | Simple assembled metal keyboard | |
| CN206100598U (en) | Take printed circuit board of many blind holes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 Termination date: 20200923 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |