CN215064695U - Ultrasonic gas meter binding post - Google Patents
Ultrasonic gas meter binding post Download PDFInfo
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- CN215064695U CN215064695U CN202121213085.3U CN202121213085U CN215064695U CN 215064695 U CN215064695 U CN 215064695U CN 202121213085 U CN202121213085 U CN 202121213085U CN 215064695 U CN215064695 U CN 215064695U
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- terminal
- needle
- binding post
- gas meter
- wiring terminal
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- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 230000007306 turnover Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
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Abstract
The utility model discloses an ultrasonic wave gas table terminal, its characterized in that: the wiring terminal comprises a wiring terminal body, a first needle-shaped terminal, a second needle-shaped terminal and a circuit board, wherein the circuit board is arranged in the wiring terminal body, the first needle-shaped terminal and the second needle-shaped terminal are arranged on the circuit board, and pins of the first needle-shaped terminal and the second needle-shaped terminal are exposed out of the wiring terminal body. The utility model relates to an ultrasonic wave gas table terminal can cancel the connection of external signal line, reduces electromagnetic interference, improves the anti-interference ability of ultrasonic wave gas table. The wiring terminal has a simple structure, and the wiring terminal body and the circuit board are injection molded and are stably connected; and meanwhile, a plurality of sealing grooves are arranged for sealing between the binding post and the controller and between the binding post and the gas meter shell, so that the connection reliability is high.
Description
Technical Field
The utility model relates to an ultrasonic wave gas table terminal.
Background
The ultrasonic gas meter is a gas meter metering device which realizes speed type metering through a built-in metering module. All internal metering modes are accomplished electronically. All the metering modes transmit the measured data to a main board outside the shell through a chip in the metering module for processing and then displaying. The signal output lines of the metering module are typically greater than 5. In addition, a cut-off valve and a temperature and pressure sensing chip are basically configured in the ultrasonic gas meter, and 6 signal lines of the valve and the sensor are provided. So 11 data lines need to be led out from the inside of the housing. Signal wires are conventionally routed internally through 2 posts of diameter 10. And then connected with the main board through a connecting wire. However, external electromagnetic interference is likely to interfere with the internal metering module through the signal line, thereby affecting the metering error of the ultrasonic gas meter.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the metering module of the existing ultrasonic gas meter is easily interfered by an external electromagnetic signal line, and the metering error is influenced.
In order to solve the problem, the technical scheme of the utility model provide an ultrasonic wave gas table terminal, its characterized in that is provided: the wiring terminal comprises a wiring terminal body, a first needle-shaped terminal, a second needle-shaped terminal and a circuit board, wherein the circuit board is arranged in the wiring terminal body, the first needle-shaped terminal and the second needle-shaped terminal are arranged on the circuit board, and pins of the first needle-shaped terminal and the second needle-shaped terminal are exposed out of the wiring terminal body.
Preferably, the upper surface of the binding post body is provided with a first notch, the lower surface of the binding post body is provided with a second notch, the first notch and the second notch protrude out of the binding post body, a pin of the first needle-shaped terminal is located in the first notch upwards, and a pin of the second needle-shaped terminal is located in the second notch downwards.
Preferably, two notches are formed in the second slot, the two notches are respectively formed in the left side and the right side of the lower surface of the wiring terminal body, and the pin terminals are respectively arranged on the left side and the right side of the circuit board and correspond to the notches in position.
Preferably, a protection ring is arranged on the inner wall of the notch to prevent the first pin terminal from deforming in the process of turnover.
Preferably, a second sealing groove is formed in the side face of the terminal body and used for sealing with an external intelligent controller.
Preferably, the second sealing groove is arranged along the side face of the terminal body in a circle.
Preferably, a sealing groove III is formed in the position, connected with the binding post body, of the notch II and used for sealing with the shell of the ultrasonic gas meter.
Preferably, the first pin terminal and the second pin terminal are N pins.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model relates to an ultrasonic wave gas table terminal can cancel the connection of external signal line, reduces electromagnetic interference, improves the anti-interference ability of ultrasonic wave gas table. The wiring terminal has a simple structure, and the wiring terminal body and the circuit board are injection molded and are stably connected; and meanwhile, a plurality of sealing grooves are arranged for sealing between the binding post and the controller and between the binding post and the gas meter shell, so that the connection reliability is high.
Drawings
Fig. 1 is the utility model relates to an ultrasonic wave gas table terminal's structure stereogram.
Fig. 2 is the utility model relates to an ultrasonic wave gas table terminal's structure cross-sectional view.
Fig. 3 is a cross-sectional view of the post body.
Detailed Description
In order to make the present invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 3, the ultrasonic gas meter terminal of the present invention includes a terminal body 1, a first pin terminal 2, a second pin terminal 3, and a circuit board 4. The pin terminal I2 and the pin terminal II 3 are N pins. The pin terminals I2 are welded on the circuit board 4 with the pins facing upwards, and the pin terminals II 3 are respectively welded on the left side and the right side of the circuit board 4 with the pins facing downwards. The completed pin terminal and circuit board 4 assembly is then injection molded into the post body 1 by means of integral injection molding.
The upper surface of the binding post body 1 is provided with a first notch 5, the lower surface of the binding post body 1 is provided with a second notch 6, and the first notch 5 and the second notch 6 protrude out of the binding post body 1. The two second notches 6 are respectively positioned on the left side and the right side of the lower surface of the terminal body 1, and the positions of the pin terminals two 3 on the circuit board 4 correspond to the positions of the second notches 6. The assembly is injection molded into the terminal body 1 such that the pin of the pin terminal i 2 is located in the notch i 5 and the pin of the pin terminal ii 3 is located in the notch ii 6.
And a rubber protection ring 1-1 is arranged on the inner wall of the first notch 5 to prevent the first pin terminal 2 from being deformed in a collision mode in the turnover process. And a sealing groove II 1-2 is machined on the wiring terminal body 1 along the side face of the wiring terminal body 1 in a circle and is sealed with an external intelligent controller through a sealing ring. And a sealing groove III 1-3 is processed at the position where the notch II 6 is connected with the binding post body 1 along a circle of the interface, and is sealed with the ultrasonic gas meter shell through a sealing ring.
Claims (8)
1. The utility model provides an ultrasonic wave gas table terminal which characterized in that: the wiring terminal comprises a wiring terminal body (1), a first needle-shaped terminal (2), a second needle-shaped terminal (3) and a circuit board (4), wherein the circuit board (4) is arranged in the wiring terminal body (1), the first needle-shaped terminal (2) and the second needle-shaped terminal (3) are arranged on the circuit board (4), and pins of the first needle-shaped terminal (2) and the second needle-shaped terminal (3) are exposed out of the wiring terminal body (1).
2. The ultrasonic gas meter binding post of claim 1, characterized in that: the wiring terminal comprises a wiring terminal body (1), and is characterized in that a first notch (5) is arranged on the upper surface of the wiring terminal body (1), a second notch (6) is arranged on the lower surface of the wiring terminal body (1), the first notch (5) and the second notch (6) protrude out of the wiring terminal body (1), pins of a first needle-shaped terminal (2) are located in the first notch (5) upwards, and pins of a second needle-shaped terminal (3) are located in the second notch (6) downwards.
3. The ultrasonic gas meter binding post of claim 2, wherein: the two notches (6) are respectively arranged at the left side and the right side of the lower surface of the binding post body (1), and the needle-shaped terminals (3) are respectively arranged at the left side and the right side of the circuit board (4) and correspond to the notches (6).
4. The ultrasonic gas meter binding post of claim 2, wherein: and a protection ring (1-1) is arranged on the inner wall of the first notch (5) to prevent the first pin-shaped terminal (2) from deforming in the process of circulation.
5. The ultrasonic gas meter binding post of claim 1, characterized in that: and a second sealing groove (1-2) is formed in the side surface of the wiring terminal body (1) and used for sealing with an external intelligent controller.
6. The ultrasonic gas meter binding post of claim 5, wherein: the second sealing groove (1-2) is arranged along the side face of the wiring terminal body (1) in a circle.
7. The ultrasonic gas meter binding post of claim 2, wherein: and a sealing groove III (1-3) for sealing with the ultrasonic gas meter shell is arranged at the position where the notch II (6) is connected with the binding post body (1).
8. The ultrasonic gas meter binding post of claim 1, characterized in that: the pin terminal I (2) and the pin terminal II (3) are N pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121213085.3U CN215064695U (en) | 2021-06-01 | 2021-06-01 | Ultrasonic gas meter binding post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121213085.3U CN215064695U (en) | 2021-06-01 | 2021-06-01 | Ultrasonic gas meter binding post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215064695U true CN215064695U (en) | 2021-12-07 |
Family
ID=79209492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121213085.3U Active CN215064695U (en) | 2021-06-01 | 2021-06-01 | Ultrasonic gas meter binding post |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215064695U (en) |
-
2021
- 2021-06-01 CN CN202121213085.3U patent/CN215064695U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 800 Songda Road, Qingpu District, Shanghai, 201799 Patentee after: ZENNER Metering Technology (Shanghai) Ltd. Country or region after: China Address before: 201799 building 4, 6558 Yinggang East Road, Qingpu District, Shanghai Patentee before: ZENNER Metering Technology (Shanghai) Ltd. Country or region before: China |