CN203930520U - Air volume test regulating device - Google Patents
Air volume test regulating device Download PDFInfo
- Publication number
- CN203930520U CN203930520U CN201420377592.4U CN201420377592U CN203930520U CN 203930520 U CN203930520 U CN 203930520U CN 201420377592 U CN201420377592 U CN 201420377592U CN 203930520 U CN203930520 U CN 203930520U
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- China
- Prior art keywords
- air volume
- volume test
- controller
- regulating device
- air
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Abstract
The utility model discloses a kind of air volume test regulating device, it comprises controller, air volume test unit and power module, described air volume test unit is connected with controller by A/D converter, described controller is connected with blower fan execution module by motor drive module, described controller output end is connected with display unit, and described power module is connected with motor drive module with controller.Adopt after said structure, air volume test regulating device is filtered and amplifies after data being detected by air flow sensor, can effectively improve the accuracy of air flow sensor detection data.In addition, the utility model by the work of motor drive module control blower fan execution module, has effectively been realized the control to air quantity by controller.
Description
Technical field
The utility model relates to a kind of air volume test regulating device.
Background technology
Air-conditioning, drying plant or ventilation unit often need air quantity to detect and control now, but detection and the control of existing ventilation equipment to air quantity is not often very accurate.
Chinese invention patent CN 102213476A discloses a kind of volume adjusting apparatus and method, and this volume adjusting apparatus is used for the air output of the air-conditioning duct front end that regulates passenger vehicle, comprising: air volume test device, controller and air-supply module; Described air volume test device detects the air quantity of air channel front end, and meet at controller, described controller receives the air quantity data of air channel front end, compare with setting airflow value, at the air quantity of air channel front end when setting airflow value, control described air-supply module unlatching and blow, regulate air channel front end air quantity.Although the present invention can detect air quantity and regulate, air quantity regulation and control out of true.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of air volume test regulating device, and this device can detect air quantity and accurately regulate.
The utility model solves the technical scheme that its technical matters adopts: air volume test regulating device comprises controller, air volume test unit and power module, described air volume test unit is connected with controller by A/D converter, described controller is connected with blower fan execution module by motor drive module, described controller output end is connected with display unit, and described power module is connected with motor drive module with controller.
Further, described air volume test unit comprises the air flow sensor, filter unit and the amplifier that connect successively.
Further, described filter unit is the parallel circuit of resistance R 1 and capacitor C 1, described filter unit is connected between air flow sensor output terminal and ground, described air flow sensor output terminal is connected with the electrode input end of amplifier L1, the negative input of described amplifier L1 is connected with its output terminal, and described amplifier L1 output terminal is connected with A/D converter input end by resistance R 3.
Further, between described A/D converter input end and ground, be parallel with capacitor C 2 and C3; Diode D2 positive pole is connected to the ground and connects, and negative pole is connected with A/D converter input end; Diode D1 is anodal to be connected with A/D converter input end, and negative pole is connected with 3.3V power supply.
The beneficial effects of the utility model are: air volume test regulating device is filtered and amplifies after data being detected by air flow sensor, can effectively improve the accuracy of air flow sensor detection data.In addition, the utility model by the work of motor drive module control blower fan execution module, has effectively been realized the control to air quantity by controller.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is further illustrated.
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is the circuit theory diagrams of the utility model air volume test unit.
Number in the figure:
1, controller, 2, power module, 3, air volume test unit, 4, A/D converter, 5, display unit, 6, motor drive module, 7, blower fan execution module, 301, air flow sensor, 302, filter unit.
Embodiment
As shown in Figure 1, air volume test regulating device of the present utility model comprises controller 1, air volume test unit 3 and power module 2, and described air volume test unit 3 is connected with controller 1 by A/D converter 4.Air volume test unit 3 detects air quantity data, then by A/D converter, the simulation air quantity data of detection is converted to digital signal and sends into controller.Described controller 1 is connected with blower fan execution module 7 by motor drive module 6, controller 1 control signal that transmission comes according to A/D converter is controlled the discharge quantity of fan of blower fan execution module 7 by motor drive module 6 like this, thereby realizes the detection control to air quantity.Described controller output end is connected with display unit 5, and described power module is connected with motor drive module with controller.The air quantity data of current detection can be shown by display unit 5.
Further, as shown in Figure 2, described air volume test unit comprises the air flow sensor 301, filter unit 302 and the amplifier that connect successively.
Further, as shown in Figure 2, described filter unit is the parallel circuit of resistance R 1 and capacitor C 1, described filter unit is connected between air flow sensor output terminal and ground, described air flow sensor output terminal is connected with the electrode input end of amplifier L1, the negative input of described amplifier L1 is connected with its output terminal, and described amplifier L1 output terminal is connected with A/D converter input end by resistance R 3.
Further, as shown in Figure 2, between described A/D converter input end and ground, be parallel with capacitor C 2 and C3; Diode D2 positive pole is connected to the ground and connects, and negative pole is connected with A/D converter input end; Diode D1 is anodal to be connected with A/D converter input end, and negative pole is connected with 3.3V power supply.
Claims (4)
1. an air volume test regulating device, it is characterized in that: it comprises controller, air volume test unit and power module, described air volume test unit is connected with controller by A/D converter, described controller is connected with blower fan execution module by motor drive module, described controller output end is connected with display unit, and described power module is connected with motor drive module with controller.
2. according to air volume test regulating device claimed in claim 1, it is characterized in that: described air volume test unit comprises the air flow sensor, filter unit and the amplifier that connect successively.
3. according to air volume test regulating device claimed in claim 2, it is characterized in that: described filter unit is the parallel circuit of resistance R 1 and capacitor C 1, described filter unit is connected between air flow sensor output terminal and ground, described air flow sensor output terminal is connected with the electrode input end of amplifier L1, the negative input of described amplifier L1 is connected with its output terminal, and described amplifier L1 output terminal is connected with A/D converter input end by resistance R 3.
4. according to air volume test regulating device claimed in claim 3, it is characterized in that: between described A/D converter input end and ground, be parallel with capacitor C 2 and C3; Diode D2 positive pole is connected to the ground and connects, and negative pole is connected with A/D converter input end; Diode D1 is anodal to be connected with A/D converter input end, and negative pole is connected with 3.3V power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420377592.4U CN203930520U (en) | 2014-07-09 | 2014-07-09 | Air volume test regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420377592.4U CN203930520U (en) | 2014-07-09 | 2014-07-09 | Air volume test regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203930520U true CN203930520U (en) | 2014-11-05 |
Family
ID=51826302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420377592.4U Expired - Fee Related CN203930520U (en) | 2014-07-09 | 2014-07-09 | Air volume test regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203930520U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094896A (en) * | 2016-06-15 | 2016-11-09 | 常州工学院 | Air volume test system |
| CN107234805A (en) * | 2017-06-27 | 2017-10-10 | 宁夏共享模具有限公司 | A kind of FDM printers control wind system automatically |
-
2014
- 2014-07-09 CN CN201420377592.4U patent/CN203930520U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094896A (en) * | 2016-06-15 | 2016-11-09 | 常州工学院 | Air volume test system |
| CN107234805A (en) * | 2017-06-27 | 2017-10-10 | 宁夏共享模具有限公司 | A kind of FDM printers control wind system automatically |
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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: 20141105 Termination date: 20190709 |