CN202468263U - Pressure time (PT) pump electronic testing platform - Google Patents
Pressure time (PT) pump electronic testing platform Download PDFInfo
- Publication number
- CN202468263U CN202468263U CN2012200588378U CN201220058837U CN202468263U CN 202468263 U CN202468263 U CN 202468263U CN 2012200588378 U CN2012200588378 U CN 2012200588378U CN 201220058837 U CN201220058837 U CN 201220058837U CN 202468263 U CN202468263 U CN 202468263U
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- pump
- transducer
- amplification circuit
- pressure
- chip microcomputer
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Abstract
The utility model relates to a pressure time (PT) pump electronic testing platform, which comprises a flow transducer (1), a first amplifying circuit (2), a pressure transducer (3), a second amplifying circuit (4), a revolving speed transducer (5), a temperature transducer (6), a single chip microcomputer (7), a display (8) and press buttons (9). The flow transducer (1), the pressure transducer (3), the revolving speed transducer (5) and the temperature transducer (6) respectively detects pump flow, pressure, revolving speed and temperature of the PT pump, the detected pump flow, pressure, revolving speed and temperature of the PT pump are sent to the single chip microcomputer (7) for processing, and then the processed pump flow, pressure, revolving speed and temperature of the PT pump are sent to the display by the single chip microcomputer (7) for displaying. The PT pump electronic testing platform has main functions of integrating, digitalizing and intelligentizing a plurality of testing meters of the PT pump and reduces cost.
Description
Technical field
This model utility relates to mechanical technique, electronic technology, sensory technique and computer technology etc.
Background technique
The PT pump is widely used in mechanical engineering field, and its performance index are embodied by parameters such as its output flow, pressure, rotating speed and temperature.Past a plurality of machinery instruments commonly used or these parameters of digital measurement, cost is high.This model utility is integrated with many instrument, digitizing and intellectuality, reduces cost.
Summary of the invention
This model utility comprises flow transducer (1), first amplification circuit (2), pressure transducer (3), second amplification circuit (4), speed probe (5), temperature transducer (6), single-chip microcomputer (7), display device (8), button (9).Flow transducer (1) is connected to first amplification circuit (2), and pressure transducer (3) is connected to second amplification circuit (4); First amplification circuit (2), second amplification circuit (4), speed probe (5), temperature transducer (6), display device (8) and button (9) are connected to single-chip microcomputer (7).The effect of flow transducer (1) is that the fluid flow with the PT pump converts voltage signal into, and send first amplification circuit (2) to amplify, and send single-chip microcomputer (7) inside to carry out analog-to-digital conversion again.Pressure transducer (3) converts the fluid pressure of PT pump output to voltage signal, and send second amplification circuit (4) to amplify, and send single-chip microcomputer (7) inside to carry out analog-to-digital conversion again.Speed probe (5) is used to detect the rotating speed of PT pump, and the generation digital pulse signal send single-chip microcomputer (7) to count processing.Temperature transducer (6) is used to detect the temperature of PT pump, and send single-chip microcomputer (7) to handle temperature data.The flow of PT pump, pressure, rotating speed and temperature are delivered to display device by single-chip microcomputer (7) and are shown.
The beneficial effect of this Electronic Testing platform be a plurality of instrument that the PT pump is detected integrated with digitizing, intellectuality, reduce cost.
Description of drawings
Fig. 1 is a skeleton diagram, and Fig. 2 is sensor and processing circuit schematic diagram, and Fig. 3 is single-chip microcomputer and keyboard displaying principle figure, and Fig. 4 is the flow transducer structure.In Fig. 1 ~ 4,1 is that sensor, 2 is that first amplification circuit, 3 is that pressure transducer, 4 is that second amplification circuit, 5 is that speed probe, 6 is that temperature transducer, 7 is that single-chip microcomputer, 8 is that display device, 9 is a button, and 1-1 is that differential pressure transducer, 1-2 are throttle pipe.
Embodiment
This device comprises flow transducer (1), first amplification circuit (2), pressure transducer (3), second amplification circuit (4), speed probe (5), temperature transducer (6), single-chip microcomputer (7), display device (8), button (9).Sensor (1), pressure transducer (3), speed probe (5), temperature transducer (6) are respectively applied for flow, pressure, rotating speed and the temperature that detects the PT pump, deliver to after handling through single-chip microcomputer to show its schematic diagram such as Fig. 2 and Fig. 3.Wherein, terminal flow, pressure, rotation and the temp of Fig. 2 are connected with terminal flow, pressure, rotation and the temp of Fig. 3 respectively.
In the present embodiment, flow transducer (1) comprises differential pressure transducer (1-1) and throttle pipe (1-2), and it is the pressure transducer of 26PCBFA6D that differential pressure transducer (1-1) adopts model, the power supply of employing+12V power supply.The effect of flow transducer (1) is to convert flow to voltage signal, and send first amplification circuit (2) to amplify.
In the present embodiment, it is the pressure transducer of 26PCFFA6G that pressure transducer (3) adopts model, the power supply of employing+12V power supply.The effect of pressure transducer (3) is to convert pressure to voltage signal, and the big circuit that veers away amplifies.
In the present embodiment, first amplification circuit (2) and second amplification circuit (4) adopt chip I NA128 instrument amplifier, employing ± 12V power supply.
In the present embodiment, speed probe (5) adopts switch Hall element UGN3144, and its effect is that the rotating speed with the PT pump converts digital pulse signal to, and single-chip microcomputer is counted.
In the present embodiment, temperature transducer (6) adopts the DS18B20 digital temperature sensor, and its effect is the temperature that detects the PT pump.
In the present embodiment, single-chip microcomputer (7) adopts STC12C2052AD, and this chip internal carries 10 ADC, and functions such as Timer are used to accomplish flow, pressure, rotating speed and selection of temperature signal and processing.First amplification circuit (2) output flow signal (flow) is connected pin 13 (P11, i.e. ADC1) and pin 12 (P10, i.e. ADC0) respectively with second amplification circuit (4) delivery pressure signal (pressure) analog amount.Tach signal (rotation) connects pin 8 (P34, i.e. monolithic counter input pin), and temperature signal (temp) connects pin 9 (P35).
In the present embodiment, display device (8) adopts LCD1602, and LCD1602 adopts 4 bit data transformats; Button (9) adopts three free-standing buttons.
In the present embodiment ,+5V, ± the 12V power supply all adopts existing power supply unit.
Claims (2)
1. PT pump Electronic Testing platform is characterized in that this device is made up of flow transducer (1), first amplification circuit (2), pressure transducer (3), second amplification circuit (4), speed probe (5), temperature transducer (6), single-chip microcomputer (7), display device (8), button (9); Flow transducer (1) is connected to first amplification circuit (2), and pressure transducer (3) is connected to second amplification circuit (4); First amplification circuit (2), second amplification circuit (4), speed probe (5), temperature transducer (6), display device (8) and button (9) are connected to single-chip microcomputer (7).
2. a kind of PT pump Electronic Testing platform according to claim 1, the effect that it is characterized in that flow transducer (1) are that the fluid flow with the PT pump converts voltage signal into, and send first amplification circuit (2) to amplify, and send single-chip microcomputer (7) inside to carry out analog-to-digital conversion again.
3. a kind of PT pump Electronic Testing platform according to claim 1 is characterized in that pressure transducer (3) converts the fluid pressure of PT pump output to voltage signal, and send second amplification circuit (4) to amplify, and send single-chip microcomputer (7) inside to carry out analog-to-digital conversion again.
4. a kind of PT pump Electronic Testing platform according to claim 1 is characterized in that speed probe (5) is used to detect the rotating speed of PT pump, and the generation digital pulse signal send single-chip microcomputer (7) to count processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200588378U CN202468263U (en) | 2012-02-23 | 2012-02-23 | Pressure time (PT) pump electronic testing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200588378U CN202468263U (en) | 2012-02-23 | 2012-02-23 | Pressure time (PT) pump electronic testing platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202468263U true CN202468263U (en) | 2012-10-03 |
Family
ID=46916424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200588378U Expired - Fee Related CN202468263U (en) | 2012-02-23 | 2012-02-23 | Pressure time (PT) pump electronic testing platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202468263U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109150124A (en) * | 2018-10-17 | 2019-01-04 | 湖南科技学院 | A kind of four Hall element displacement measurement differential amplifier circuits |
-
2012
- 2012-02-23 CN CN2012200588378U patent/CN202468263U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109150124A (en) * | 2018-10-17 | 2019-01-04 | 湖南科技学院 | A kind of four Hall element displacement measurement differential amplifier circuits |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20130223 |