CN220420929U - Wire connector for intelligent instrument - Google Patents
Wire connector for intelligent instrument Download PDFInfo
- Publication number
- CN220420929U CN220420929U CN202322059726.XU CN202322059726U CN220420929U CN 220420929 U CN220420929 U CN 220420929U CN 202322059726 U CN202322059726 U CN 202322059726U CN 220420929 U CN220420929 U CN 220420929U
- Authority
- CN
- China
- Prior art keywords
- connector
- wires
- wire
- meter
- pcb
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 229920006351 engineering plastic Polymers 0.000 claims abstract description 14
- 238000002347 injection Methods 0.000 claims abstract description 8
- 239000007924 injection Substances 0.000 claims abstract description 8
- 238000001746 injection moulding Methods 0.000 claims abstract description 8
- 239000000565 sealant Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 abstract description 11
- 239000002184 metal Substances 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 6
- XOMKZKJEJBZBJJ-UHFFFAOYSA-N 1,2-dichloro-3-phenylbenzene Chemical compound ClC1=CC=CC(C=2C=CC=CC=2)=C1Cl XOMKZKJEJBZBJJ-UHFFFAOYSA-N 0.000 description 4
- 238000005476 soldering Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model relates to a wire connector for a smart meter. The plastic-molded connector is characterized by being formed by integrally molding a PCB, wires and engineering plastics, wherein the wires are welded at two ends of the PCB, and only part of the wires are arranged in the plastic-molded connector. According to the wire connector disclosed by the utility model, the wires at the two ends of the connector are connected through the PCB in a switching way, the PCB and a part of the wires are integrally molded in engineering plastics by injection molding, and the wires are welded and then injection molded, so that fluid is fundamentally prevented from passing through between the wires and the injection molded parts and between the wire skin of the wires and the metal wires, the leakage of the fluid is thoroughly avoided, the efficiency is improved, and the cost is saved; meanwhile, a sealing ring is arranged on the connector, and the connector and the meter shell are sealed through the sealing ring, so that fluid cannot leak out from between the connector and the meter shell; one end of the connector is provided with a circular groove for coating sealant, so that an auxiliary sealing effect is achieved, and the fluid is ensured not to leak from the lead and the PCB.
Description
Technical Field
The utility model relates to a wire connector for a smart meter.
Background
In the instrument and meter industry, the intelligent meter field mainly includes intelligent gas meter, intelligent water meter and the like. Communication and signal communication between the meter and the meter are realized by connecting wires of a connector fixed on a meter shell, the existing connecting wires of the connector have two main modes, one is engineering plastics, metal pins are embedded in the engineering plastics during injection molding, the engineering plastics and the plastics are integrally formed into the connector, and then the wires or the opposite plugs are welded at two ends of the metal pins. In this way, a poor soldering or contact is easily caused, and the soldering wire is inefficient and is also easily leaked. Another way is a stud with threads at both ends, a through hole in the middle of the stud, the wire is first passed through the rubber plug with holes, and then the rubber plug is plugged into the through hole in the middle of the stud together with the wire, which has the disadvantage that fluid is easy to pass between the wire and the rubber plug and between the wire skin of the wire and the wire, causing leakage.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model aims to provide a technical scheme of a wire connector for an intelligent instrument.
A wire connector for intelligent instrument, its characterized in that by PCB board, wire and engineering plastics integrative injection molding form, the wire welding is at the both ends of PCB board, only sets up partial wire in the connector of injection molding.
The wire connector for the intelligent instrument is characterized in that the PCB is a double-sided PCB, and wires can be welded on two sides of the PCB.
The wire connector for the intelligent instrument is characterized in that wires positioned on two sides of the connector are divided into an inner wire and an outer wire, and the inner wire is made of high-temperature-resistant and corrosion-resistant materials.
The wire connector for the intelligent instrument is characterized in that the tail ends of wires positioned on two sides of the connector are welded with a circuit board inside or outside the instrument.
The wire connector for the intelligent instrument is characterized in that plugs are arranged at the tail ends of wires on two sides of the connector and are matched with sockets on a circuit board inside or outside the instrument through the plugs.
The wire connector for the intelligent instrument is characterized in that the connector is divided into a large end and a small end, the small end is provided with threads, and the small end passes through a through hole in a meter case and is locked by a nut so that the connector is fixed on the meter case.
A wire connector for intelligent instrument, its characterized in that set up the seal groove on the junction surface of connector and instrument watchcase, set up the sealing washer in the seal groove, the connector passes through the sealing washer with the instrument watchcase and seals.
A wire connector for intelligent instrument, its characterized in that the one end that the connector was arranged in the instrument is equipped with circular recess, sets up the sealant in the circular recess.
The wire connector for the intelligent instrument is characterized in that the engineering plastic is made of corrosion-resistant and high-temperature-resistant materials.
According to the wire connector disclosed by the utility model, the wires at the two ends of the connector are connected through the PCB in a switching way, the PCB and a part of the wires are integrally molded in engineering plastics by injection molding, and the wires are welded and then injection molded, so that fluid is fundamentally prevented from passing through between the wires and the injection molded parts and between the wire skin of the wires and the metal wires, leakage is thoroughly avoided, the efficiency is improved, and the cost is saved; meanwhile, a sealing ring is arranged on the connector, and the connector and the meter shell are sealed through the sealing ring, so that fluid cannot leak out from between the connector and the meter shell; the connector is arranged at one end in the meter and is provided with a circular groove for coating sealant, so that an auxiliary sealing effect is achieved, and the fact that fluid cannot leak from the lead and the PCB is ensured.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a front cross-sectional view of the present utility model;
in the figure: 1-meter case; a 2-connector; 3-an off-surface wire; 4-nuts; 5-a PCB board; 6-an intragauge wire; 7, sealing glue; 8-sealing rings.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings:
the wire connector for intelligent instrument is characterized in that wires are welded at two ends of a PCB (printed Circuit Board) 5 through automatic welding equipment, and then the PCB 5 and a part of the wires are injection molded in engineering plastics together to form a connector 2 integrally with the engineering plastics; wherein the PCB 5 is a double-sided PCB, and leads can be welded on both sides, so that the requirement of welding a plurality of leads can be met; the engineering plastic for forming the connector is made of corrosion-resistant and high-temperature-resistant materials.
From the outside of the connector 2, only two sections of wires are seen, the wires positioned at two sides of the connector are divided into an inner wire 6 and an outer wire 3, the inner wire 6 is made of high-temperature resistant and corrosion resistant materials, and the outer wire 3 can be made of common materials.
The ends of the wires at the two sides of the connector 2 are welded with the circuit board inside or outside the instrument, or the ends of the wires at the two sides of the connector are provided with plugs, and the plugs are matched with sockets on the circuit board inside or outside the instrument.
The connector 2 is divided into a large end and a small end, the small end is provided with threads, and the small end passes through a through hole on the meter case and is locked by a nut 4 so as to be fixed on the meter case 1; the connection surface of the connector 2 and the meter shell 1 is provided with a sealing groove, a sealing ring 8 is arranged in the sealing groove, and the connector and the meter shell are sealed by the sealing ring, so that fluid in the meter cannot leak out from between the connector and the meter shell.
The connector 2 is arranged at one end in the meter and is provided with a circular groove for coating sealant, so that an auxiliary sealing effect is achieved, and the fact that fluid in the meter cannot leak from a lead and a PCB is ensured.
Specifically, an automatic welding device is used for respectively welding an outer wire 3 and an inner wire 6 at two ends of a double-sided PCB 5, when the number of wires is not large, the wires can be welded on the same side of the PCB 5, if the number of wires is large, the wires can be welded on two sides, then the wires and the connector 2 are molded into a whole in an injection molding way, and then sealant 7 (in a circular groove) is smeared between the inner wire 6 and the connector 2; after the sealant 7 is solidified, the connector 2 is sleeved with the sealing ring 8, and then passes through the through hole on the meter case 1 and is locked and fixed on the meter case 1 by the nut 4.
The wire connector is arranged on a meter shell, wires at two ends of the connector are connected through the PCB in a switching way, the PCB and a part of the wires are injection molded in engineering plastics, the wires are integrally formed, welding is performed first, injection molding is performed later, fluid in the meter is fundamentally prevented from passing through between the wires and an injection molded part and between the wire skin of the wires and a metal wire, and leakage is thoroughly avoided. Thus, the wires in the meter are connected with an actuator or a circuit in the meter, and the wires outside the meter are connected with a main control circuit outside the meter, so that barrier-free communication between the inside and the outside of the meter is realized; by adopting the utility model, the cost is saved, the efficiency is improved, and the gas leakage accident is avoided.
Claims (9)
1. A wire connector for intelligent instrument is characterized by being formed by injection molding a PCB board, wires and engineering plastics, wherein the wires are welded at two ends of the PCB board, and only part of wires are arranged in the injection molded connector.
2. A wire connector for a smart meter as defined in claim 1, wherein the PCB is a double sided PCB, with wires soldered on both sides.
3. The wire connector for intelligent instrument according to claim 1, wherein the wires on both sides of the connector are divided into an inner wire and an outer wire, and the inner wire is made of high temperature resistant and corrosion resistant materials.
4. A wire connector for a smart meter as claimed in claim 1, wherein the ends of the wires on both sides of the connector are soldered to a circuit board inside or outside the meter.
5. A wire connector for a smart meter as claimed in claim 1, wherein the ends of the wires on either side of the connector are provided with plugs by which to mate with sockets on a circuit board internal or external to the meter.
6. A wire connector for a smart meter as defined in claim 1, wherein the connector is divided into a large end and a small end, the small end is provided with a screw thread, and the small end is fastened to the meter case by a nut after passing through a through hole in the meter case.
7. A wire connector for a smart meter according to claim 1 or 6, wherein a sealing groove is provided on a connection surface of the connector and a meter case, and a sealing ring is provided in the sealing groove, and the connector and the meter case are sealed by the sealing ring.
8. The wire connector for intelligent instrument according to claim 1, wherein the end of the connector placed in the instrument is provided with a circular groove, and the circular groove is provided with sealant.
9. The wire connector for intelligent instruments according to claim 1, wherein the engineering plastic is made of corrosion-resistant and high-temperature-resistant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322059726.XU CN220420929U (en) | 2023-08-02 | 2023-08-02 | Wire connector for intelligent instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322059726.XU CN220420929U (en) | 2023-08-02 | 2023-08-02 | Wire connector for intelligent instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220420929U true CN220420929U (en) | 2024-01-30 |
Family
ID=89659755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322059726.XU Active CN220420929U (en) | 2023-08-02 | 2023-08-02 | Wire connector for intelligent instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220420929U (en) |
-
2023
- 2023-08-02 CN CN202322059726.XU patent/CN220420929U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |