CN204214526U - A kind of gas meter, flow meter multifunctional production test verification device - Google Patents
A kind of gas meter, flow meter multifunctional production test verification device Download PDFInfo
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- CN204214526U CN204214526U CN201420683839.5U CN201420683839U CN204214526U CN 204214526 U CN204214526 U CN 204214526U CN 201420683839 U CN201420683839 U CN 201420683839U CN 204214526 U CN204214526 U CN 204214526U
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Abstract
The utility model discloses a kind of gas meter, flow meter multifunctional production test verification device, is turned serial port module, USB interface, tongue tube interface, wireless module interface, photo-electronic directly reading interface, IC-card seat, liquid crystal display and keyboard formed by single-chip microcomputer, field effect transistor, solenoid valve, wireless transparent transmission module, D/A converter module, real time clock module, wireless module interface, USB; Single-chip microcomputer is connected with solenoid valve through field effect transistor, wireless transparent transmission module directly connects single-chip microcomputer, single-chip microcomputer is connected with D/A converter module with real time clock module, USB interface turns serial port module through USB and is connected with single-chip microcomputer, and tongue tube interface, wireless module interface, photo-electronic directly reading interface and IC-card seat are connected on single-chip microcomputer; The output terminal of keyboard is connected with the input end of single-chip microcomputer, and the input end of liquid crystal display is connected with the output terminal of single-chip microcomputer.The versatility that the utility model can realize all types of gas meter, flow meter detects.
Description
Technical field
The utility model relates to gas meter, flow meter production field, is specifically related to a kind of gas meter, flow meter multifunctional production test verification device.
Background technology
Along with the large scale application of pipe gas, the use amount of the important metering outfit of pipe gas--gas meter, flow meter is also increasing, simultaneously along with the progress of measurement technology, be metered into the products such as IC-card prepayment metering, photo-electronic directly reading metering and wireless data teletransmission data monitoring to continue to bring out from the mechanical type table at initial stage, make production test means also become comparatively complicated.If design a kind of production test equipment for often kind of dissimilar gas meter, flow meter, this not only can occupy the space, place of production line, but also the training cost of operating personnel is strengthened further, therefore need to design a kind of comprehensive production line test verification device, to meet multiple types multi-item production needs.
Utility model content
Technical problem to be solved in the utility model is the deficiency of existing gas meter, flow meter means of testing complexity and production test equipment poor universality, provides a kind of gas meter, flow meter multifunctional production test verification device.
For solving the problem, the utility model is achieved through the following technical solutions:
A kind of gas meter, flow meter multifunctional production test verification device, is turned serial port module, USB interface, tongue tube interface, wireless module interface, photo-electronic directly reading interface, IC-card seat, liquid crystal display and keyboard formed by single-chip microcomputer, field effect transistor, solenoid valve, wireless transparent transmission module, D/A converter module, real time clock module, wireless module interface, USB; Single-chip microcomputer is connected with solenoid valve through field effect transistor, wireless transparent transmission module directly connects single-chip microcomputer, single-chip microcomputer is connected with D/A converter module with real time clock module, USB interface turns serial port module through USB and is connected with single-chip microcomputer, and tongue tube interface, wireless module interface, photo-electronic directly reading interface and IC-card seat are connected on single-chip microcomputer; The output terminal of keyboard is connected with the input end of single-chip microcomputer, and the input end of liquid crystal display is connected with the output terminal of single-chip microcomputer.
In such scheme, described wireless transparent transmission module comprises microcontroller, radio frequency chip, transmitting low-pass matching circuit, receives high pass match circuit, transmitting antenna and receiving antenna composition; Microcontroller is connected with single-chip microcomputer; Microcontroller is connected with radio frequency chip, and the output terminal of radio frequency chip is connected with transmitting antenna through launching low-pass matching circuit, and receiving antenna connects the input end of radio frequency chip through receiving high pass match circuit.
In such scheme, described transmitting low-pass matching circuit is primarily of electric capacity C1-C6 and inductance L 1-L4 composition; Wherein the output terminal of radio frequency chip is divided into two-way, and a road connects a LC filtering shaping circuit of inductance L 1 and electric capacity C1 series connection formation, the 2nd LC filtering shaping circuit that another road connection inductance L 2 and electric capacity C2 series connection are formed; The other end of the one LC filtering shaping circuit is connected to the ground, and inductance L 1 is connected with power supply VCC with the end that is connected of electric capacity C1; One end of inductance L 3 is connected to the ground through electric capacity C2, and the other end is connected to the ground through electric capacity C4, and forms the first T-shaped match circuit; One end of inductance L 4 is connected to the ground through electric capacity C5, and the other end is connected to the ground through electric capacity C6, and forms the second T-shaped match circuit; The other end of inductance L 3 and end connection the 2nd LC filtering shaping circuit that is connected of electric capacity C2, inductance L 3 is connected the end that is connected of inductance L 4 and electric capacity C5 with the connected end of electric capacity C4, inductance L 4 is connected transmitting antenna with the connected end of electric capacity C6.
In such scheme, described reception high pass match circuit is primarily of electric capacity C8-C11 and inductance L 5-L6 composition; One end of inductance L 5 is connected to the ground through electric capacity C8, and the other end is connected to the ground through electric capacity C9, and forms the 3rd T-shaped match circuit; One end of inductance L 6 is connected to the ground through electric capacity C10, and the other end is connected to the ground through electric capacity C7, and forms the 4th T-shaped match circuit; Inductance L 5 is connected the first input end of radio frequency chip with the connected end of electric capacity C8, inductance L 5 is connected the end that is connected of inductance L 6 and electric capacity C10 with the connected end of electric capacity C9, inductance L 6 is divided into two-way with the end that is connected of electric capacity C7, one tunnel connects the second input end of radio frequency chip, and another road is connected with receiving antenna through electric capacity C11.
Compared with prior art, the utility model is by realizing detecting the versatility of all types of gas meter, flow meter at the test interface of integrated conventional gas meter, flow meter at present, the testing algorithm that its single-chip microcomputer inside stores is the simply integrated of existing testing algorithm, it is by the various gas meter, flow meter of simulation various different parameters under real operating environments, and being sent on gas meter, flow meter to be detected by each interface, the every data integration gas meter, flow meter that test gas meter, flow meter returns gathers and the accuracy that controls and reliability.
Accompanying drawing explanation
Fig. 1 is a kind of principle schematic of gas meter, flow meter multifunctional production test verification device.
Fig. 2 is the theory diagram of wireless transparent transmission module.
Fig. 3 is the circuit theory diagrams launching low-pass matching circuit in Fig. 2.
Fig. 4 is the circuit theory diagrams receiving high pass match circuit in Fig. 2.
Embodiment
A kind of gas meter, flow meter multifunctional production test verification device, as described in Figure 1, turned serial port module, USB interface, tongue tube interface, wireless module interface, photo-electronic directly reading interface, IC-card seat, liquid crystal display and keyboard formed by single-chip microcomputer, field effect transistor, solenoid valve, wireless transparent transmission module, D/A converter module, real time clock module, wireless module interface, USB; Single-chip microcomputer is connected with solenoid valve through field effect transistor, wireless transparent transmission module directly connects single-chip microcomputer, single-chip microcomputer is connected with D/A converter module with real time clock module, USB interface turns serial port module through USB and is connected with single-chip microcomputer, and tongue tube interface, wireless module interface, photo-electronic directly reading interface and IC-card seat are connected on single-chip microcomputer; The output terminal of keyboard is connected with the input end of single-chip microcomputer, and the input end of liquid crystal display is connected with the output terminal of single-chip microcomputer.
In addition, in this proving installation, be also integrated with a wireless transparent transmission module, this wireless transparent transmission module, as shown in Figure 2, comprise microcontroller, radio frequency chip, transmitting low-pass matching circuit, receive high pass match circuit, transmitting antenna and receiving antenna composition; Microcontroller is connected with single-chip microcomputer; Microcontroller is connected with radio frequency chip, and the output terminal of radio frequency chip is connected with transmitting antenna through launching low-pass matching circuit, and receiving antenna connects the input end of radio frequency chip through receiving high pass match circuit.
Above-mentioned transmitting low-pass matching circuit, as shown in Figure 3, primarily of electric capacity C1-C6 and inductance L 1-L4 composition; Wherein the output terminal of radio frequency chip is divided into two-way, and a road connects a LC filtering shaping circuit of inductance L 1 and electric capacity C1 series connection formation, the 2nd LC filtering shaping circuit that another road connection inductance L 2 and electric capacity C2 series connection are formed; The other end of the one LC filtering shaping circuit is connected to the ground, and inductance L 1 is connected with power supply VCC with the end that is connected of electric capacity C1; One end of inductance L 3 is connected to the ground through electric capacity C2, and the other end is connected to the ground through electric capacity C4, and forms the first T-shaped match circuit; One end of inductance L 4 is connected to the ground through electric capacity C5, and the other end is connected to the ground through electric capacity C6, and forms the second T-shaped match circuit; The other end of inductance L 3 and end connection the 2nd LC filtering shaping circuit that is connected of electric capacity C2, inductance L 3 is connected the end that is connected of inductance L 4 and electric capacity C5 with the connected end of electric capacity C4, inductance L 4 is connected transmitting antenna with the connected end of electric capacity C6.TX sends signal after the filtering shaping circuit process that two LC form, and through double-T shaped match circuit (the low frequency signal filtering circuit be made up of LC) below, signal is delivered to transmitting antenna.
Above-mentioned reception high pass match circuit, as shown in Figure 4, primarily of electric capacity C8-C11 and inductance L 5-L6 composition; One end of inductance L 5 is connected to the ground through electric capacity C8, and the other end is connected to the ground through electric capacity C9, and forms the 3rd T-shaped match circuit; One end of inductance L 6 is connected to the ground through electric capacity C10, and the other end is connected to the ground through electric capacity C7, and forms the 4th T-shaped match circuit; Inductance L 5 is connected the first input end of radio frequency chip with the connected end of electric capacity C8, inductance L 5 is connected the end that is connected of inductance L 6 and electric capacity C10 with the connected end of electric capacity C9, inductance L 6 is divided into two-way with the end that is connected of electric capacity C7, one tunnel connects the second input end of radio frequency chip, and another road is connected with receiving antenna through electric capacity C11.High-frequency signal, through a double-T shaped match circuit (the high-frequency signal filtering circuit be made up of LC), is delivered to RXn, RXp leads ends of RF chip Si4432 by receiving antenna signal, and by this chip further to the process of signal.
During use, gas meter, flow meter to be detected is connected with this proving installation.The various gas meter, flow meter of simulation various different parameters under real operating environments of proving installation, and be sent on gas meter, flow meter to be detected by each interface, every data integration gas meter, flow meter that test gas meter, flow meter returns gathers and the accuracy that controls and reliability.General gas IC-card is needed to detect read-write card information, gas flow and service condition information acquisition, solenoid valve break performance and the information such as battery capacity, time accuracy detection.And wireless gas meter also needs reliability and the accuracy of detected wireless signals information transmission in addition to that information.Intelligent gas meter for two types used at present: tongue tube data acquisition and photo-electronic directly reading data acquisition two type all leave interface, keyboard array software exchange can be passed through, and time data indispensable in IC card system and battery voltage detection have employed D/A converter module (DAC7512 chip) and real time clock module (PCF8563 chip) realizes.Simultaneously for the data acquisition of wireless gas meter, have employed Serial Port Transmission, while this proving installation display transmission data, these data can also carry out exchanges data by USB interface and PC computer.In addition, be also integrated with a wireless transparent transmission module in this proving installation, this module mainly carries out correlation function for the intelligent gas meter being integrated with wireless transparent transmission module, and the feature of this module is: 1. have employed 433MHz frequency range; 2. have employed outside serial ports connection control, control protocol is simple, and opening completely, be easy to realize data transmission; 3. data transmission adopts transparent pattern, and both data were left intact on the equipment that is directly transferred to and specifies, received also in like manner.The testing algorithm that the single-chip microcomputer of this proving installation is built-in continues to use existing each gas meter, flow meter method of testing, just carried out simple integrated.
Claims (4)
1. a gas meter, flow meter multifunctional production test verification device, is characterized in that: turned serial port module, USB interface, tongue tube interface, wireless module interface, photo-electronic directly reading interface, IC-card seat, liquid crystal display and keyboard formed by single-chip microcomputer, field effect transistor, solenoid valve, wireless transparent transmission module, D/A converter module, real time clock module, wireless module interface, USB; Single-chip microcomputer is connected with solenoid valve through field effect transistor, wireless transparent transmission module directly connects single-chip microcomputer, single-chip microcomputer is connected with D/A converter module with real time clock module, USB interface turns serial port module through USB and is connected with single-chip microcomputer, and tongue tube interface, wireless module interface, photo-electronic directly reading interface and IC-card seat are connected on single-chip microcomputer; The output terminal of keyboard is connected with the input end of single-chip microcomputer, and the input end of liquid crystal display is connected with the output terminal of single-chip microcomputer.
2. a kind of gas meter, flow meter multifunctional production test verification device according to claim 1, is characterized in that: described wireless transparent transmission module comprises microcontroller, radio frequency chip, transmitting low-pass matching circuit, receives high pass match circuit, transmitting antenna and receiving antenna composition; Microcontroller is connected with single-chip microcomputer; Microcontroller is connected with radio frequency chip, and the output terminal of radio frequency chip is connected with transmitting antenna through launching low-pass matching circuit, and receiving antenna connects the input end of radio frequency chip through receiving high pass match circuit.
3. a kind of gas meter, flow meter multifunctional production test verification device according to claim 2, is characterized in that: described transmitting low-pass matching circuit is primarily of electric capacity C1-C6 and inductance L 1-L4 composition; Wherein the output terminal of radio frequency chip is divided into two-way, and a road connects a LC filtering shaping circuit of inductance L 1 and electric capacity C1 series connection formation, the 2nd LC filtering shaping circuit that another road connection inductance L 2 and electric capacity C2 series connection are formed; The other end of the one LC filtering shaping circuit is connected to the ground, and inductance L 1 is connected with power supply VCC with the end that is connected of electric capacity C1; One end of inductance L 3 is connected to the ground through electric capacity C2, and the other end is connected to the ground through electric capacity C4, and forms the first T-shaped match circuit; One end of inductance L 4 is connected to the ground through electric capacity C5, and the other end is connected to the ground through electric capacity C6, and forms the second T-shaped match circuit; The other end of inductance L 3 and end connection the 2nd LC filtering shaping circuit that is connected of electric capacity C2, inductance L 3 is connected the end that is connected of inductance L 4 and electric capacity C5 with the connected end of electric capacity C4, inductance L 4 is connected transmitting antenna with the connected end of electric capacity C6.
4. a kind of gas meter, flow meter multifunctional production test verification device according to claim 2, is characterized in that: described reception high pass match circuit is primarily of electric capacity C8-C11 and inductance L 5-L6 composition; One end of inductance L 5 is connected to the ground through electric capacity C8, and the other end is connected to the ground through electric capacity C9, and forms the 3rd T-shaped match circuit; One end of inductance L 6 is connected to the ground through electric capacity C10, and the other end is connected to the ground through electric capacity C7, and forms the 4th T-shaped match circuit; Inductance L 5 is connected the first input end of radio frequency chip with the connected end of electric capacity C8, inductance L 5 is connected the end that is connected of inductance L 6 and electric capacity C10 with the connected end of electric capacity C9, inductance L 6 is divided into two-way with the end that is connected of electric capacity C7, one tunnel connects the second input end of radio frequency chip, and another road is connected with receiving antenna through electric capacity C11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420683839.5U CN204214526U (en) | 2014-11-14 | 2014-11-14 | A kind of gas meter, flow meter multifunctional production test verification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420683839.5U CN204214526U (en) | 2014-11-14 | 2014-11-14 | A kind of gas meter, flow meter multifunctional production test verification device |
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| Publication Number | Publication Date |
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| CN204214526U true CN204214526U (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420683839.5U Expired - Fee Related CN204214526U (en) | 2014-11-14 | 2014-11-14 | A kind of gas meter, flow meter multifunctional production test verification device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316147A (en) * | 2014-11-14 | 2015-01-28 | 桂林市利通电子科技有限责任公司 | Multifunctional production testing and inspecting device for gas meters |
| CN108039037A (en) * | 2017-12-28 | 2018-05-15 | 东本电气科技(苏州)有限公司 | Wireless telemetering gas-meter detection device |
| CN110542468A (en) * | 2019-09-03 | 2019-12-06 | 真兰仪表科技有限公司 | Gas meter connector leak detection device |
-
2014
- 2014-11-14 CN CN201420683839.5U patent/CN204214526U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316147A (en) * | 2014-11-14 | 2015-01-28 | 桂林市利通电子科技有限责任公司 | Multifunctional production testing and inspecting device for gas meters |
| CN108039037A (en) * | 2017-12-28 | 2018-05-15 | 东本电气科技(苏州)有限公司 | Wireless telemetering gas-meter detection device |
| CN110542468A (en) * | 2019-09-03 | 2019-12-06 | 真兰仪表科技有限公司 | Gas meter connector leak detection device |
| CN110542468B (en) * | 2019-09-03 | 2020-11-10 | 真兰仪表科技有限公司 | Gas meter connector leak detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150318 Termination date: 20191114 |