CN115911915A - NPN and PNP crossover sub - Google Patents
NPN and PNP crossover sub Download PDFInfo
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- CN115911915A CN115911915A CN202110937306.XA CN202110937306A CN115911915A CN 115911915 A CN115911915 A CN 115911915A CN 202110937306 A CN202110937306 A CN 202110937306A CN 115911915 A CN115911915 A CN 115911915A
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- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims abstract 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The invention discloses an NPN and PNP conversion joint which comprises a fixed seat, PIN needles, a sealing element, a cable and a PCB, wherein the PCB can maintain an output mode or can be converted between the NPN output mode and the PNP output mode, the PIN needles are arranged in the fixed seat in a penetrating mode, two ends of the PIN needles are exposed out of the fixed seat, one end of the PCB is inserted into a gap between the exposed PIN needles, the cable is connected to the other end of the PCB, and the sealing element is plastically packaged on the part of the fixed seat, the whole PCB, the end part of the PIN needles inserted into the PCB and the part of the cable. The direct conversion between the NPN mode and the PNP mode can be realized, the input of the external NPN mode or the external PNP mode can be directly output to the next device through the joint, and the device is small in size, simple in structure, strong in reliability and low in cost.
Description
Technical Field
The invention relates to a conversion connector, in particular to a conversion connector for converting or maintaining NPN and PNP mutually.
Background
Common triode devices are classified into NPN type and PNP type. When triodes of different types are used for output driving of the sensor, an NPN type sensor and a PNP type sensor exist, and no matter what kind of output is, a loop can be formed to trigger generation of an inversion signal. However, the two types of sensors cannot be used mutually in many places, for example, if the cathode of a direct current power supply is short-circuited at a common COM end in a part of the PLC, only an NPN sensor can be used, and if a PNP sensor is used, only a relay or other circuits can be used after isolation. Therefore, when using a sensor, it is generally necessary to read a specification or use a multimeter to confirm whether it is the NPN output mode or the PNP output mode. However, for some production lines with dense sensors, new and old sensors and sensors with different input and output modes are usually mixed. Each sensor is difficult to operate by referring to the specification, and even if the output mode of the sensor is confirmed, the output mode can be unified by additionally connecting a converter, so that the maintenance cost is extremely high.
Disclosure of Invention
The invention aims to provide an NPN and PNP conversion joint, which can realize the direct conversion of an NPN mode and a PNP mode, can directly output the input of the external NPN mode or the external PNP mode to the next equipment through the joint, and has the advantages of small size, simple structure, strong reliability and low cost.
In order to solve the technical problem, the invention provides an NPN and PNP converter, which includes a fixing base, a PIN, a sealing member, a cable, and a PCB capable of maintaining an output mode or converting between two output modes of an NPN and a PNP, wherein the PIN is inserted into the fixing base, and both ends of the PIN are exposed out of the fixing base, one end of the PCB is inserted into a gap between the exposed PINs, the cable is connected to the other end of the PCB, and the sealing member is plastically packaged on a part of the fixing base, the whole PCB, an end part of the PIN inserted into the PCB, and a part of the cable.
Preferably, the fixing base is preformed, a PIN pinhole is arranged on the fixing base, at least two PIN needles are arranged on the fixing base, and one end of each PIN needle is inserted into the PIN pinhole and penetrates out of the PIN pinhole.
Preferably, the fixing seat is formed in the middle of the PIN needle in an injection molding mode.
Preferably, the number of the PIN PINs is four, the PIN PINs are arranged in a rectangular shape, and the distance between the two rows of the PIN PINs with the long sides or the distance between the two rows of the PIN PINs with the short sides is consistent with the thickness of the PCB.
Preferably, a rotatable fastener is arranged on the fixed seat, and the fastener surrounds the periphery of the PIN needle.
Preferably, the inner ring of the fastener is provided with threads, and the outer ring is provided with a lug.
Preferably, the fastener is provided with a fool-proof piece at the opening of the end part.
Preferably, a housing is disposed on the fixing base, and the housing covers at least the sealing member and a portion of the cable.
Preferably, the outer ring of the shell is provided with anti-skid convex lines and indication marks.
Preferably, the input-output modes of the PCB include NPN-NPN, NPN-PNP, PNP-PNP, and/or PNP-NPN modes.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through an optimized design, the PIN needle can be inserted into an external connection port, an external signal is transmitted into the PCB by the PIN needle, and the PCB manually or automatically identifies the mode of the input signal and maintains or converts the output mode. PCB has realized PCB and PIN needle's lug connection through pegging graft in PIN needle's clearance, has saved the space that occupies, and PCB can be stabilized simultaneously to the PIN needle, has satisfied the requirement of intensity. On the convenient fixing base with PCB and cable of sealing member, further improved the structural strength who connects, improved the reliability of PCB, cable and PIN needle connection, avoid using screw, buckle isotructure to occupy this space just narrow and small, low in production cost. The connector realizes the direct conversion of the NPN mode and the PNP mode, the input of the external NPN mode or the external PNP mode can be directly output to the next device after being maintained or converted through the connector, and the device has the advantages of small size, simple structure, strong reliability and low cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of an NPN and PNP crossover joint in a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of the NPN and PNP crossover sub in accordance with a preferred embodiment of the present invention;
fig. 3 is a schematic left side view of an NPN and PNP crossover joint in accordance with a preferred embodiment of the present invention.
The anti-skid device comprises a fixing seat 1, a convex ring 10, a concave line 11, a PIN needle 2, a fastener 3, a concave ring 30, a convex block 31, a foolproof piece 32, a sealing piece 4, a PCB5, a shell 6, an anti-skid convex line 60, an indication mark 61 and a cable 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive efforts based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
Examples
Referring to fig. 1 to 3, the invention discloses an NPN and PNP converter joint, which includes a holder 1, a PIN 2, a sealing member 4, a cable 7, and a PCB5 capable of maintaining an output mode or converting between two output modes of an NPN and a PNP. PIN needle 2 wears to establish in fixing base 1, and both ends all expose fixing base 1. One end of the PCB5 is inserted into the gap between the exposed PIN PINs 2. The cable 7 is connected to the other end of the PCB5. The sealing element 4 is plastically packaged on the part of the fixed seat 1, the whole PCB5, the end part of the PIN needle 2 inserted into the PCB5 and the part of the cable 7. With the optimized design, the PIN PIN 2 can be plugged into an external connection port, an external signal is transmitted into the PCB5 by the PIN PIN 2, and the PCB5 manually or automatically identifies the mode of the input signal and maintains or switches the output mode. PCB5 has realized PCB5 and PIN needle 2's lug connection through pegging graft in PIN needle 2's clearance, has saved the space that occupies, and PIN needle 2 can stabilize PCB5 simultaneously, has satisfied the requirement of intensity. On sealing member 4 is convenient is fixed in fixing base 1 with PCB5 and cable 7, has further improved the structural strength who connects, has improved the reliability that PCB5, cable 7 and PIN needle 2 are connected, avoids using structures such as screw, buckle to occupy originally narrow and small space, low in production cost. The connector realizes the direct conversion of the NPN mode and the PNP mode, the input of the external NPN mode or the external PNP mode can be directly output to the next device after being maintained or converted through the connector, and the device has the advantages of small size, simple structure, strong reliability and low cost.
In some preferred embodiments of the present invention, the fixing base 1 is pre-formed. The fixing seat 1 is provided with a PIN pinhole. The PIN 2 has at least two. One end of the PIN 2 is inserted into the PIN hole and penetrates out of the PIN hole.
In other preferred embodiments of the present invention, the holder 1 is injection molded on the PIN 2. The PIN 2 has at least two. When injection moulding, need at first fix PIN needle 2 as required parallel arrangement, then mould plastics the middle part shaping of PIN needle 2 with the material, and make the both ends of PIN needle 2 expose. In order to improve the stability that PIN needle 2 and fixing base 1 are relative, can set up the line in the middle part of PIN needle 2.
In order to improve the stability of the PCB5 during production and the compatibility of the connector during use, the PIN PINs 2 are four and arranged in a rectangular shape. The distance between the two rows of PIN PINs 2 with the long edges or the distance between the two rows of PIN PINs 2 with the short edges is consistent with the thickness of the PCB5. It can be better clamped on the PCB5, avoiding the PCB5 shifting when the sealing member 4 is formed.
In order to protect the PIN 2, a rotatable fastener 3 is arranged on the fixed seat 1, and the fastener 3 surrounds the PIN 2. Specifically, the fastener 3 is cylindrical. The periphery of the fixed seat 1 is provided with a convex ring 10. The inner ring of the fastener 3 is provided with a female ring 30. The male ring 10 is located within the female ring 30. The length of the fastener 3 is not less than the length of the PIN needle 2 exposed out of the fixed seat 1 at the end.
The inner ring of the fastener 3 is provided with a thread. The threads can mate with external connection ports and improve the connection strength of the joint.
The outer ring of the fastener 3 is provided with a projection 31. The projections 31 can provide a force-taking point when screwing the fastener 3.
The fastener 3 is provided with a fool-proof member 32 at an opening at an end portion thereof. Fool-proof piece 32 may protrude or retract into fastener 3. The external connection port is provided with a retractable or protruding fool-proof piece 32 matched with the external connection port. Which can ensure the correctness of the PIN 2 during plugging.
In order to improve the connection strength of the sealing element 4 after being plastically molded to the fixing seat 1, concave grains 11 may be provided on the outer ring of the fixing seat 1. During the plastic encapsulation, the material of the sealing element 4 penetrates into the indentations 11.
The fixed seat 1 is provided with a shell 6. The housing 6 covers at least the seal 4 and a part of the cable 7. The housing 6 can further improve the structural strength of the joint. The housing 6 may be a metal housing.
The outer ring of the housing 6 is provided with an anti-slip embossed pattern 60. The ribs 60 prevent slipping during plugging.
The outer wall of the housing 6 is provided with an indicator 61. When plugged, the indicator 61 can indicate the direction of plugging.
The input-output modes of the PCB5 include NPN-NPN, NPN-PNP, PNP-PNP, and/or PNP-NPN modes. That is, when the input is in the NPN mode, the output may be in the NPN or PNP mode, and when the input is in the PNP mode, the output may be in the PNP or NPN mode.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An NPN and PNP conversion connector is characterized by comprising a fixing seat, PIN needles, a sealing element, a cable and a PCB capable of maintaining an output mode or converting between NPN and PNP output modes, wherein the PIN needles are arranged in the fixing seat in a penetrating mode, two ends of the PIN needles are exposed out of the fixing seat, one end of the PCB is inserted into a gap between the exposed PIN needles, the cable is connected to the other end of the PCB, and the sealing element is plastically packaged on a part of the fixing seat, the whole PCB, an end part of the PIN needles inserted into the PCB and a part of the cable.
2. The NPN and PNP adapter according to claim 1, wherein the mounting base is pre-formed, the mounting base has PIN holes, the number of the PIN PINs is at least two, and one end of the PIN is inserted into the PIN hole and protrudes out of the PIN hole.
3. The NPN and PNP adapter according to claim 1, wherein the anchor is injection molded in the middle of the PIN.
4. The NPN and PNP adapter according to any of claims 1-3, wherein the four PIN PINs are arranged in a rectangular pattern, and a distance between two rows of PIN PINs having long sides or a distance between two rows of PIN PINs having short sides is consistent with a thickness of the PCB.
5. The NPN and PNP adapter as recited in claim 4 wherein the mounting block has a rotatable fastener disposed thereon, the fastener surrounding the periphery of the PIN.
6. The NPN and PNP adapter as described in claim 5, wherein the fastener has threads on an inner circumference and a protrusion on an outer circumference.
7. The NPN and PNP crossover joint of claim 5, wherein the fastener is provided with a fool-proofing at the opening of the end.
8. The NPN and PNP adapter according to claim 1, wherein the mounting base has a housing that covers at least the seal and a portion of the cable.
9. The NPN and PNP adapter according to claim 8, wherein the outer ring of the housing is provided with anti-slip ribs and indicator marks.
10. The NPN and PNP transfer joint of claim 1, wherein the input-output modes of the PCB comprise NPN-NPN, NPN-PNP, PNP-PNP, and/or PNP-NPN modes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110937306.XA CN115911915A (en) | 2021-08-16 | 2021-08-16 | NPN and PNP crossover sub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110937306.XA CN115911915A (en) | 2021-08-16 | 2021-08-16 | NPN and PNP crossover sub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115911915A true CN115911915A (en) | 2023-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110937306.XA Pending CN115911915A (en) | 2021-08-16 | 2021-08-16 | NPN and PNP crossover sub |
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| Country | Link |
|---|---|
| CN (1) | CN115911915A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201256236Y (en) * | 2008-08-26 | 2009-06-10 | 李国强 | Interface converter |
| CN103929171A (en) * | 2014-05-12 | 2014-07-16 | 芜湖齐创自动化系统有限公司 | PNP and NPN load conversion circuit |
| KR20150116010A (en) * | 2014-04-03 | 2015-10-15 | 주식회사 오토닉스 | Convertable relay mounting terminal block between npn mode and pnp mode |
| CN206379564U (en) * | 2017-01-18 | 2017-08-04 | 特科芯有限公司 | A kind of Type C data lines of magnetic-type USB 3.1 |
| CN208767224U (en) * | 2018-05-29 | 2019-04-19 | 河南康宁特环保科技股份有限公司 | NPN optoelectronic switch and the mutual phase changing device of PNP optoelectronic switch |
| CN209088921U (en) * | 2018-10-31 | 2019-07-09 | 广东嘉腾机器人自动化有限公司 | A kind of application circuit of compatible NPN and positive-negative-positive input interface |
| CN209488551U (en) * | 2019-03-06 | 2019-10-11 | 江苏仁源电气有限公司 | A kind of signal input circuit of NPN signal and PNP signal compatibility |
| CN110581391A (en) * | 2019-09-19 | 2019-12-17 | 上海航天科工电器研究院有限公司 | Quick-locking piston type floating power connector |
| CN210866674U (en) * | 2019-12-25 | 2020-06-26 | 品联电子科技江苏有限公司 | Waterproof connector |
| CN211406001U (en) * | 2019-12-31 | 2020-09-01 | 重庆美特亚智能科技有限公司 | Interface circuit compatible with PNP and NPN sensing signals |
| CN211629411U (en) * | 2020-03-10 | 2020-10-02 | 上海海之爱海洋科技有限公司 | Sensor |
| CN212182582U (en) * | 2020-06-14 | 2020-12-18 | 深圳市宏泰电气智能化有限公司 | Terminal module compatible with NPN/PNP signals |
| KR102233858B1 (en) * | 2020-04-23 | 2021-03-30 | 주식회사 에스에이브이 | Apparatus for converting a signal |
| CN113131923A (en) * | 2021-04-29 | 2021-07-16 | 烟台环球机床装备股份有限公司 | Source type drain type automatic compatible interface circuit |
-
2021
- 2021-08-16 CN CN202110937306.XA patent/CN115911915A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201256236Y (en) * | 2008-08-26 | 2009-06-10 | 李国强 | Interface converter |
| KR20150116010A (en) * | 2014-04-03 | 2015-10-15 | 주식회사 오토닉스 | Convertable relay mounting terminal block between npn mode and pnp mode |
| CN103929171A (en) * | 2014-05-12 | 2014-07-16 | 芜湖齐创自动化系统有限公司 | PNP and NPN load conversion circuit |
| CN206379564U (en) * | 2017-01-18 | 2017-08-04 | 特科芯有限公司 | A kind of Type C data lines of magnetic-type USB 3.1 |
| CN208767224U (en) * | 2018-05-29 | 2019-04-19 | 河南康宁特环保科技股份有限公司 | NPN optoelectronic switch and the mutual phase changing device of PNP optoelectronic switch |
| CN209088921U (en) * | 2018-10-31 | 2019-07-09 | 广东嘉腾机器人自动化有限公司 | A kind of application circuit of compatible NPN and positive-negative-positive input interface |
| CN209488551U (en) * | 2019-03-06 | 2019-10-11 | 江苏仁源电气有限公司 | A kind of signal input circuit of NPN signal and PNP signal compatibility |
| CN110581391A (en) * | 2019-09-19 | 2019-12-17 | 上海航天科工电器研究院有限公司 | Quick-locking piston type floating power connector |
| CN210866674U (en) * | 2019-12-25 | 2020-06-26 | 品联电子科技江苏有限公司 | Waterproof connector |
| CN211406001U (en) * | 2019-12-31 | 2020-09-01 | 重庆美特亚智能科技有限公司 | Interface circuit compatible with PNP and NPN sensing signals |
| CN211629411U (en) * | 2020-03-10 | 2020-10-02 | 上海海之爱海洋科技有限公司 | Sensor |
| KR102233858B1 (en) * | 2020-04-23 | 2021-03-30 | 주식회사 에스에이브이 | Apparatus for converting a signal |
| CN212182582U (en) * | 2020-06-14 | 2020-12-18 | 深圳市宏泰电气智能化有限公司 | Terminal module compatible with NPN/PNP signals |
| CN113131923A (en) * | 2021-04-29 | 2021-07-16 | 烟台环球机床装备股份有限公司 | Source type drain type automatic compatible interface circuit |
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