CN205579862U - Unusual detection device of on -vehicle air conditioner air -blower rotational speed - Google Patents
Unusual detection device of on -vehicle air conditioner air -blower rotational speed Download PDFInfo
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- CN205579862U CN205579862U CN201620117249.5U CN201620117249U CN205579862U CN 205579862 U CN205579862 U CN 205579862U CN 201620117249 U CN201620117249 U CN 201620117249U CN 205579862 U CN205579862 U CN 205579862U
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Abstract
The utility model discloses an unusual detection device of on -vehicle air conditioner air -blower rotational speed. Relate to on -vehicle air - conditioner test technical field, the device can in time remind the user when the appearance of air -blower rotational speed is unusual, including air conditioner control panel, main control chip and power supply unit, still including the memory, voice prompt, display and the speed sensor that are connected with main control chip respectively, the monitoring end of power supply unit is connected with main control chip, and air conditioner control panel includes the processing chip, air conditioner control panel still includes the air regulation knob, the air regulation knob is connected with the processing chip, still include analog signal input conditioning circuit, analog signal input conditioning circuit is connected with the processing chip with main control chip respectively, the power end of air -blower is connected with the power output of power supply unit end, the control end and the processing chip of air -blower are connected, the wind speed sense terminal and the analog signal input conditioning circuit of air -blower are connected.
Description
Technical field
This utility model relates to on-board air conditioner detection technique field, is specifically related to a kind of vehicle-mounted air-conditioning blower rotating speed abnormal detector.
Background technology
At present, automobile is typically fitted with on-board air conditioner, but the blower speed of on-board air conditioner is it sometimes appear that abnormal failure, due to the general all seldom contact drum blower fan of user, occur blower speed being not easy to discover during abnormal conditions, cause user can not go maintenance in time after the blower speed of on-board air conditioner occurs extremely, user can be made to send the time of repairing to delay, the situation that aerator finally may be caused because user send the time of repairing to delay to repair occurs, therefore, designing when a kind of blower speed occurs abnormal can remind the detection device of user to seem the most necessary in time.
Utility model content
This utility model is to solve to be difficult to discover the deficiency causing user to send the time of repairing to delay when abnormal failure occurs in the blower speed of existing on-board air conditioner, provide when a kind of blower speed occurs abnormal and can remind user in time, a kind of vehicle-mounted air-conditioning blower rotating speed abnormal detector that accuracy of detection height, False Rate and misdetection rate are low.
To achieve these goals, this utility model is by the following technical solutions:
A kind of vehicle-mounted air-conditioning blower rotating speed abnormal detector, including Air-Conditioning Control Panel, main control chip and power supply unit；Also including memorizer, voice prompting device, display and the vehicle speed sensor being connected respectively with main control chip, the monitoring side of power supply unit is connected with main control chip, and Air-Conditioning Control Panel includes processing chip；Air-Conditioning Control Panel also includes air quantity adjusting knob, and air quantity adjusting knob is connected with processing chip；Also including that analogue signal inputs modulate circuit, analogue signal input modulate circuit is connected with main control chip and process chip respectively；The power end of aerator is connected with the power output end of power supply unit；The control end of aerator is connected with processing chip；The wind speed measurement end of aerator is connected with analogue signal input modulate circuit.
Memorizer is previously stored with the rotating speed normal range that aerator difference gear is corresponding, during use, air quantity adjusting knob is slowly regulated to air quantity highest gear position by user by air quantity minimum gear, analogue signal input modulate circuit detects the rotating speed that each gear is corresponding, and main control chip judges to detect whether rotating speed corresponding to each gear obtained exceeds the rotating speed normal range of this gear prestored.If beyond the rotating speed normal range of this gear, failure judgement, main control chip controls the information that display output drum rotation speed of fan is abnormal, and control voice prompting device send audio alert prompting, otherwise, main control chip control the display normal information of output drum rotation speed of fan；This programme can remind user in time when blower speed occurs abnormal, and accuracy of detection is high, and False Rate and misdetection rate are low, improves maintenance efficiency.
As preferably, power supply unit includes primary power cource unit, diode, node, main pyroelectric monitor unit, standby pyroelectric monitor unit, standby power unit, No. two diodes and power supply switch unit；The positive terminal of the power output end of primary power cource unit and a diode connects, the monitoring side of primary power cource unit is connected with main pyroelectric monitor unit, the positive terminal of the power output end of standby power unit and No. two diodes connects, the monitoring side of standby power unit is connected with standby pyroelectric monitor unit, main pyroelectric monitor unit and standby pyroelectric monitor unit are connected with main control chip respectively, the level signal outfan of main pyroelectric monitor unit is connected with the control end of power supply switch unit, the negative pole end of a number diode and a node connect, the negative pole end of No. two diodes is connected with the power input of power supply switch unit, the power output end of power supply switch unit and a node connect, the power end of aerator and a node connect.
When the power supply electricity of aerator is not enough or does not has electricity or power-off, it is possible to cause the result of blower speed abnormality detection that erroneous judgement occurs, thus affect Detection results.This programme is that aerator provides primary and backup two set power supply plans, and when primary power cource unit does not has electricity or power-off, main pyroelectric monitor unit will monitor primary power cource unit immediately and not have electricity or power-off.When main pyroelectric monitor unit monitor primary power cource unit do not have electricity or power-off time, main pyroelectric monitor unit gives the signal of one power supply switching of power supply switch unit immediately, and the power supply of aerator is become standby power unit to power from primary power cource unit power switching by power supply switch unit.So when detecting blower speed and detecting whether abnormal, it is possible to the reliability of the power supply of guarantee aerator, thus the erroneous judgement during reducing detection, accuracy of detection is high, and False Rate and misdetection rate are low, improve reliability and the accuracy of detection.
As preferably, power supply switch unit is metal-oxide-semiconductor switch, the level signal outfan of main pyroelectric monitor unit is connected in the grid G of metal-oxide-semiconductor switch, and the source S that the power output end of standby power unit switchs with metal-oxide-semiconductor is connected, and the drain D of metal-oxide-semiconductor switch is connected on a node.
Metal-oxide-semiconductor construction of switch is simple, and reliability is high.Thus the erroneous judgement during reducing detection, accuracy of detection is high, and False Rate and misdetection rate are low, improve reliability and the accuracy of detection.
This utility model has the advantages that
This utility model can remind user in time when blower speed occurs abnormal, and accuracy of detection is high, and detection efficiency height, False Rate and misdetection rate are low, improve maintenance efficiency.
Accompanying drawing explanation
Fig. 1 is a kind of theory diagram of the present utility model.
Fig. 2 is the circuit diagram of analogue signal of the present utility model input modulate circuit.
Detailed description of the invention
With embodiment, this utility model is further described below in conjunction with the accompanying drawings.
Embodiment, a kind of vehicle-mounted air-conditioning blower rotating speed abnormal detector, shown in Figure 1, including Air-Conditioning Control Panel 7, main control chip 1 and power supply unit 23；Also including memorizer 2, voice prompting device 5, display 6 and the vehicle speed sensor 33 being connected respectively with main control chip, the monitoring side of power supply unit is connected with main control chip, and Air-Conditioning Control Panel includes processing chip 71；Air-Conditioning Control Panel also includes air quantity adjusting knob 72, and air quantity adjusting knob is connected with processing chip；Also including that analogue signal inputs modulate circuit 4, analogue signal input modulate circuit is connected with main control chip and process chip respectively；The power end of aerator 9 is connected with the power output end of power supply unit；The control end of aerator 9 is connected with processing chip；The wind speed measurement end of aerator 9 is connected with analogue signal input modulate circuit.Power supply unit includes primary power cource unit 15, node 16 of 14, diode, main pyroelectric monitor unit 17, standby pyroelectric monitor unit 18,19, No. two diodes 20 of standby power unit and power supply switch unit 21；The positive terminal of the power output end of primary power cource unit and a diode connects, the monitoring side of primary power cource unit is connected with main pyroelectric monitor unit, the positive terminal of the power output end of standby power unit and No. two diodes connects, the monitoring side of standby power unit is connected with standby pyroelectric monitor unit, main pyroelectric monitor unit and standby pyroelectric monitor unit are connected with main control chip respectively, the level signal outfan of main pyroelectric monitor unit is connected with the control end of power supply switch unit, the negative pole end of a number diode and a node connect, the negative pole end of No. two diodes is connected with the power input of power supply switch unit, the power output end of power supply switch unit and a node connect, the power end of aerator and a node connect.Power supply switch unit is metal-oxide-semiconductor switch 22, and the level signal outfan of main pyroelectric monitor unit is connected in the grid G of metal-oxide-semiconductor switch, and the source S that the power output end of standby power unit switchs with MOS pipe is connected, and the drain D of metal-oxide-semiconductor switch is connected on a node.The analogue signal for this example as shown in Figure 2 inputs the circuit diagram of modulate circuit.
This example memory is previously stored with the rotating speed normal range that aerator difference gear is corresponding, during use, air quantity adjusting knob is slowly regulated to air quantity highest gear position by user by air quantity minimum gear, analogue signal input modulate circuit detects the rotating speed that each gear is corresponding, and main control chip judges to detect whether rotating speed corresponding to each gear obtained exceeds the rotating speed normal range of this gear prestored.If beyond the rotating speed normal range of this gear, failure judgement, main control chip controls the information that display output drum rotation speed of fan is abnormal, and control voice prompting device send audio alert prompting, otherwise, main control chip control the display normal information of output drum rotation speed of fan；This programme can remind user in time when blower speed occurs abnormal, and accuracy of detection is high, and False Rate and misdetection rate are low, improves maintenance efficiency.
When the power supply electricity of aerator is not enough or does not has electricity or power-off, it is possible to cause the result of blower speed abnormality detection that erroneous judgement occurs, thus affect Detection results.This example is that aerator provides primary and backup two set power supply examples, and when primary power cource unit does not has electricity or power-off, main pyroelectric monitor unit will monitor primary power cource unit immediately and not have electricity or power-off.When main pyroelectric monitor unit monitor primary power cource unit do not have electricity or power-off time, main pyroelectric monitor unit gives the signal of one power supply switching of power supply switch unit immediately, and the power supply of aerator is become standby power unit to power from primary power cource unit power switching by power supply switch unit.So when detecting blower speed and detecting whether abnormal, it is possible to the reliability of the power supply of guarantee aerator, thus the erroneous judgement during reducing detection, accuracy of detection is high, and False Rate and misdetection rate are low, improve reliability and the accuracy of detection.
Describing embodiment of the present utility model above in conjunction with accompanying drawing, but do not limited by above-described embodiment when realizing, those of ordinary skill in the art can make a variety of changes within the scope of the appended claims or revise.
Claims (3)
1. a vehicle-mounted air-conditioning blower rotating speed abnormal detector, it is characterized in that, including Air-Conditioning Control Panel (7), main control chip (1), power supply unit (23) and analogue signal input modulate circuit (4), also include memorizer (2), voice prompting device (5), display (6) and the vehicle speed sensor (33) being connected respectively with main control chip, the monitoring side of power supply unit is connected with main control chip, and Air-Conditioning Control Panel includes processing chip (71)；Air-Conditioning Control Panel also includes air quantity adjusting knob (72), and described air quantity adjusting knob is connected with processing chip；Described analogue signal input modulate circuit is connected with main control chip and process chip respectively；The power end of aerator (9) is connected with the power output end of power supply unit；The control end of aerator (9) is connected with processing chip；The wind speed measurement end of aerator (9) is connected with analogue signal input modulate circuit.
A kind of vehicle-mounted air-conditioning blower rotating speed abnormal detector the most according to claim 1, it is characterized in that, power supply unit includes primary power cource unit (14), diode (15), node (16), main pyroelectric monitor unit (17), standby pyroelectric monitor unit (18), standby power unit (19), No. two diodes (20) and power supply switch unit (21)；The power output end of described primary power cource unit and the positive terminal of a diode connect, the monitoring side of described primary power cource unit is connected with main pyroelectric monitor unit, the positive terminal of the power output end of described standby power unit and No. two diodes connects, the monitoring side of described standby power unit is connected with standby pyroelectric monitor unit, main pyroelectric monitor unit and standby pyroelectric monitor unit are connected with main control chip respectively, the level signal outfan of main pyroelectric monitor unit is connected with the control end of power supply switch unit, the negative pole end of a number diode and a node connect, the negative pole end of No. two diodes is connected with the power input of power supply switch unit, the power output end of power supply switch unit and a node connect, the power end of aerator and a node connect.
A kind of vehicle-mounted air-conditioning blower rotating speed abnormal detector the most according to claim 2, it is characterized in that, power supply switch unit is that metal-oxide-semiconductor switchs (22), the level signal outfan of main pyroelectric monitor unit is connected in the grid G of metal-oxide-semiconductor switch, the source S that the power output end of standby power unit switchs with metal-oxide-semiconductor is connected, and the drain D of metal-oxide-semiconductor switch is connected on a node.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117249.5U CN205579862U (en) | 2016-02-05 | 2016-02-05 | Unusual detection device of on -vehicle air conditioner air -blower rotational speed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117249.5U CN205579862U (en) | 2016-02-05 | 2016-02-05 | Unusual detection device of on -vehicle air conditioner air -blower rotational speed |
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| CN205579862U true CN205579862U (en) | 2016-09-14 |
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| CN201620117249.5U Expired - Fee Related CN205579862U (en) | 2016-02-05 | 2016-02-05 | Unusual detection device of on -vehicle air conditioner air -blower rotational speed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332684A (en) * | 2019-06-25 | 2019-10-15 | 江苏豪瑞达环保实业有限公司 | A kind of bindiny mechanism of air disinfecting and purifying device and air-conditioning draught fan |
-
2016
- 2016-02-05 CN CN201620117249.5U patent/CN205579862U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332684A (en) * | 2019-06-25 | 2019-10-15 | 江苏豪瑞达环保实业有限公司 | A kind of bindiny mechanism of air disinfecting and purifying device and air-conditioning draught fan |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Fuyang District of Hangzhou city streets Silver Lake Golf Road 311402 No. 8 in Zhejiang Province Patentee after: Hangzhou Yitai science and Technology Co. Ltd. Address before: Fuyang District of Hangzhou city streets Silver Lake Golf Road No. 8, building 7, 311311 in Zhejiang Province Patentee before: Hangzhou ETC Automobile Electronics Co., Ltd. |
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| 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: 20160914 Termination date: 20210205 |