CN204493248U - Rotation speed of fan bucking-out system - Google Patents
Rotation speed of fan bucking-out system Download PDFInfo
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- CN204493248U CN204493248U CN201520125877.3U CN201520125877U CN204493248U CN 204493248 U CN204493248 U CN 204493248U CN 201520125877 U CN201520125877 U CN 201520125877U CN 204493248 U CN204493248 U CN 204493248U
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- 239000013618 particulate matter Substances 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 230000001105 regulatory effect Effects 0.000 claims description 88
- 230000000087 stabilizing effect Effects 0.000 claims description 62
- 238000006243 chemical reaction Methods 0.000 claims description 28
- 238000011105 stabilization Methods 0.000 claims description 12
- 238000012806 monitoring device Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012163 sequencing technique Methods 0.000 description 1
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Abstract
The utility model discloses a kind of rotation speed of fan bucking-out system, relate to air-blower control field.For solving prior art blower fan after long-play, rotating speed can change, and causes the airspeed of suspended particulate matter concentration detection device to change, and then affects the problem of the accuracy that suspended particulate matter concentration detection device detects and invent.The technological scheme that the utility model embodiment provides comprises: suspended particulate matter concentration detection device and speed considerations device; Described suspended particulate matter concentration detection device comprises DC fan, and described speed considerations device is connected with described DC fan; Described speed considerations device, for receiving the frequency signal be directly proportional to rotation speed of fan that described DC fan exports; Obtain the input signal corresponding with described frequency signal; Described DC fan is driven according to described input signal.
Description
Technical field
The utility model relates to air-blower control technology, particularly relates to a kind of rotation speed of fan bucking-out system.
Background technique
In prior art, suspended particulate matter concentration detection device generally uses blower fan to ensure that air-flow flows with the speed of approximately constant in air channel therein.But blower fan is after long-play, and rotating speed can change, and cause the airspeed of suspended particulate matter concentration detection device to change, and then affect the accuracy of suspended particulate matter concentration detection device detection.
Model utility content
The utility model provides a kind of rotation speed of fan bucking-out system, can regulate rotation speed of fan, makes its approximately constant, thus reduces the impact on the accuracy that suspended particulate matter concentration detection device detects.
The utility model technical solution problem adopts following technological scheme: a kind of rotation speed of fan bucking-out system, comprising:
Suspended particulate matter concentration detection device and speed considerations device; Described suspended particulate matter concentration detection device comprises DC fan, and described speed considerations device is connected with described DC fan;
Described speed considerations device, for receiving the frequency signal be directly proportional to rotation speed of fan that described DC fan exports; Obtain the input signal corresponding with described frequency signal; Described DC fan is driven according to described input signal.
Optionally, in the rotation speed of fan bucking-out system that the utility model embodiment provides, described DC fan is three line DC fans or four line DC fans.
Optionally, in the rotation speed of fan bucking-out system that the utility model embodiment provides, when described DC fan is four line DC fan, described speed considerations device is the first main control singlechip.
Optionally, in the rotation speed of fan bucking-out system that the utility model embodiment provides, when described DC fan is three line DC fan, described speed considerations device, comprising:
Second main control singlechip and the first feedback voltage regulating and stabilizing device LDO, described second main control singlechip and described first feeds back voltage regulating and stabilizing device LDO and is connected, and described three line DC fans feed back voltage regulating and stabilizing device LDO with described second main control singlechip and described first respectively and are connected;
Described second main control singlechip, for receiving the frequency signal be directly proportional to rotation speed of fan that described three line DC fans export; Calculate the frequency values corresponding with described frequency signal; Obtain intermediate value corresponding to described frequency values according to preset data correspondence table, and after described intermediate value is converted to level value, input to described first feedback voltage regulating and stabilizing device LDO;
Described first feedback voltage regulating and stabilizing device LDO, for according to described level value the power supply connected in advance being carried out the output voltage that voltage-regulation voltage-stabilization obtains through regulating, inputs to described three line DC fans by this output voltage through regulating.
Optionally, in the rotation speed of fan bucking-out system that the utility model embodiment provides, when described DC fan is three line DC fan, described speed considerations device, comprising:
Dedicated frequency voltage conversion chip and the first feedback voltage regulating and stabilizing device LDO, described dedicated frequency voltage conversion chip and described first is fed back voltage regulating and stabilizing device LDO and is connected, and described three line DC fans feed back voltage regulating and stabilizing device LDO with described dedicated frequency voltage conversion chip and described first respectively and are connected;
Described dedicated frequency voltage conversion chip, for receiving the frequency signal be directly proportional to rotation speed of fan that described three line DC fans export; Calculate the frequency values corresponding with described frequency signal; Obtain intermediate value corresponding to described frequency values according to preset data correspondence table, and after described intermediate value is converted to level value, input to described first feedback voltage regulating and stabilizing device LDO;
Described first feedback voltage regulating and stabilizing device LDO, for according to described level value the power supply connected in advance being carried out the output voltage that voltage-regulation voltage-stabilization obtains through regulating, inputs to described three line DC fans by this output voltage through regulating.
Optionally, in the rotation speed of fan bucking-out system that the utility model embodiment provides, when described DC fan is three line DC fan, described speed considerations device, comprising:
3rd main control singlechip, electric capacity and the second feedback voltage regulating and stabilizing device LDO; Described electric capacity feeds back voltage regulating and stabilizing device LDO with described 3rd main control singlechip and described second respectively and is connected; Described three line DC fans feed back voltage regulating and stabilizing device LDO with described 3rd main control singlechip and described second respectively and are connected;
Described 3rd main control singlechip, for receiving the frequency signal be directly proportional to rotation speed of fan that described three line DC fans export; Calculate the frequency values corresponding with described frequency signal; Obtain intermediate value corresponding to described frequency values according to preset data correspondence table, and input to described electric capacity after described intermediate value being converted to corresponding pwm signal;
Described electric capacity, inputs to described second feedback voltage regulating and stabilizing device LDO after described pwm signal is converted to level signal;
Described second feedback voltage regulating and stabilizing device LDO, for according to described level value the power supply connected in advance being carried out the output voltage that voltage-regulation voltage-stabilization obtains through regulating, inputs to described three line DC fans by this output voltage through regulating.
Optionally, in the rotation speed of fan bucking-out system that the utility model embodiment provides, when described DC fan is three line DC fan, described speed considerations device, comprising:
Special signal conversion chip, electric capacity and the second feedback voltage regulating and stabilizing device LDO; Described electric capacity feeds back voltage regulating and stabilizing device LDO with described special signal conversion chip and described second respectively and is connected; Described three line DC fans feed back voltage regulating and stabilizing device LDO with described special signal conversion chip and described second respectively and are connected;
Described special signal conversion chip, for receiving the frequency signal be directly proportional to rotation speed of fan that described three line DC fans export; Calculate the frequency values corresponding with described frequency signal; Obtain intermediate value corresponding to described frequency values according to preset data correspondence table, and input to described electric capacity after described intermediate value being converted to corresponding pwm signal;
Described electric capacity, inputs to described second feedback voltage regulating and stabilizing device LDO after described pwm signal is converted to level signal;
Described second feedback voltage regulating and stabilizing device LDO, for according to described level value the power supply connected in advance being carried out the output voltage that voltage-regulation voltage-stabilization obtains through regulating, inputs to described three line DC fans by this output voltage through regulating.
Optionally, in the rotation speed of fan bucking-out system that the utility model embodiment provides, described speed considerations device is arranged in described suspended particulate matter concentration detection device, or is arranged on described suspended particulate matter concentration detection device.
Optionally, in the rotation speed of fan bucking-out system that the utility model embodiment provides, described suspended particulate matter concentration monitoring device and speed considerations device are same device.
The utility model has following beneficial effect: the frequency signal be directly proportional to rotation speed of fan being received the output of described DC fan by speed considerations device; Obtain the input signal corresponding with described frequency signal; Drive described DC fan according to described input signal, thus realize regulating rotation speed of fan, make its approximately constant, and then reduce the impact on the accuracy that suspended particulate matter concentration detection device detects.The technological scheme that the utility model embodiment provides to solve in prior art blower fan after long-play, rotating speed can change, and cause the airspeed of suspended particulate matter concentration detection device to change, and then affect the problem of the accuracy that suspended particulate matter concentration detection device detects.
Accompanying drawing explanation
The structural representation one of the rotation speed of fan bucking-out system that Fig. 1 provides for the utility model embodiment 1;
The structural representation two of the rotation speed of fan bucking-out system that Fig. 2 provides for the utility model embodiment 1;
The structural representation three of the rotation speed of fan bucking-out system that Fig. 3 provides for the utility model embodiment 1;
The structural representation four of the rotation speed of fan bucking-out system that Fig. 4 provides for the utility model embodiment 1;
The structural representation five of the rotation speed of fan bucking-out system that Fig. 5 provides for the utility model embodiment 1.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the technical solution of the utility model is further elaborated.
Embodiment 1
As shown in Figure 1, present embodiments provide a kind of rotation speed of fan bucking-out system, comprising:
Suspended particulate matter concentration detection device 101 and speed considerations device 102; Wherein, described suspended particulate matter concentration detection device 101 comprises DC fan 1011, and described speed considerations device is connected with described DC fan.
Concrete, described speed considerations device, for receiving the frequency signal be directly proportional to rotation speed of fan that described DC fan exports; Obtain the input signal corresponding with described frequency signal; Described DC fan is driven according to described input signal.
In the present embodiment, DC fan is three line DC fans or four line DC fans; As shown in Figure 2, when DC fan is four line DC fan 1012, speed considerations device is the first main control singlechip 1021.Now, the lighting outlet of four line DC fans is respectively driving voltage input line, ground wire, frequency signal output line and PWM speed-regulating signal input line; This first main control singlechip comprises: timer conter module and PWM module, and this timer conter module is connected with frequency signal output line, for receiving the frequency signal be directly proportional to rotation speed of fan that four line DC fans export; Calculate the frequency values corresponding with described frequency signal; Obtain intermediate value corresponding to described frequency values according to preset data correspondence table, and intermediate value is sent to PWM module; This PWM module is connected with PWM speed-regulating signal input line with timer conter module respectively, for intermediate value being converted to four line DC fans described in input value after corresponding pwm signal.
In the present embodiment, speed considerations device and suspended particulate matter concentration detection device can be same device or different device.
Further, as shown in Figure 3, in the rotation speed of fan bucking-out system that the present embodiment provides when DC fan is three line DC fan 1013, this speed considerations device 102, comprising: the second main control singlechip 1022 and the first feedback voltage regulating and stabilizing device LDO 1023.Wherein, described second main control singlechip and described first feeds back voltage regulating and stabilizing device LDO and is connected, and described three line DC fans feed back voltage regulating and stabilizing device LDO with described second main control singlechip and described first respectively and are connected.
Concrete, described second main control singlechip, for receiving the frequency signal be directly proportional to rotation speed of fan that described three line DC fans export; Calculate the frequency values corresponding with described frequency signal; Obtain intermediate value corresponding to described frequency values according to preset data correspondence table, and after described intermediate value is converted to level value, input to described first feedback voltage regulating and stabilizing device LDO; Described first feedback voltage regulating and stabilizing device LDO, for according to described level value the power supply connected in advance being carried out the output voltage that voltage-regulation voltage-stabilization obtains through regulating, inputs to described three line DC fans by this output voltage through regulating.
In the present embodiment, the lighting outlet of three line DC fans is respectively driving voltage input line, ground wire and frequency signal output line; This second main control singlechip, comprising: timer conter module and D/A converter module DAC, and this timer conter module is connected with frequency signal output line, for receiving the frequency signal be directly proportional to rotation speed of fan that described three line DC fans export; Calculate the frequency values corresponding with described frequency signal; Obtain intermediate value corresponding to described frequency values according to preset data correspondence table, and intermediate value is sent to D/A converter module DAC; This D/A converter module DAC feeds back voltage regulating and stabilizing device LDO with timer conter module and first respectively and is connected, after described intermediate value is converted to level value, input to described first feedback voltage regulating and stabilizing device LDO.
In the present embodiment, the second main control singlechip shown in Fig. 3 can be replaced by dedicated frequency voltage conversion chip, but the adjustment Stability and veracity of dedicated frequency voltage conversion chip is not as the second main control singlechip; Now, described speed considerations device, comprising:
Dedicated frequency voltage conversion chip and the first feedback voltage regulating and stabilizing device LDO, described dedicated frequency voltage conversion chip and described first is fed back voltage regulating and stabilizing device LDO and is connected, and described three line DC fans feed back voltage regulating and stabilizing device LDO with described dedicated frequency voltage conversion chip and described first respectively and are connected;
Described dedicated frequency voltage conversion chip, for receiving the frequency signal be directly proportional to rotation speed of fan that described three line DC fans export; Calculate the frequency values corresponding with described frequency signal; Obtain intermediate value corresponding to described frequency values according to preset data correspondence table, and after described intermediate value is converted to level value, input to described first feedback voltage regulating and stabilizing device LDO;
Described first feedback voltage regulating and stabilizing device LDO, for according to described level value the power supply connected in advance being carried out the output voltage that voltage-regulation voltage-stabilization obtains through regulating, inputs to described three line DC fans by this output voltage through regulating.
Further, as shown in Figure 4, when described in the rotation speed of fan bucking-out system that the present embodiment provides, DC fan is three line DC fan 1013, described speed considerations device, comprising: the 3rd main control singlechip 1024, electric capacity 1025 and the second feedback voltage regulating and stabilizing device LDO 1026.Wherein, described electric capacity feeds back voltage regulating and stabilizing device LDO with described 3rd main control singlechip and described second respectively and is connected; Described three line DC fans feed back voltage regulating and stabilizing device LDO with described 3rd main control singlechip and described second respectively and are connected.
Concrete, described 3rd main control singlechip, for receiving the frequency signal be directly proportional to rotation speed of fan that described three line DC fans export; Calculate the frequency values corresponding with described frequency signal; Obtain intermediate value corresponding to described frequency values according to preset data correspondence table, and input to described electric capacity after described intermediate value being converted to corresponding pwm signal; Described electric capacity, inputs to described second feedback voltage regulating and stabilizing device LDO after described pwm signal is converted to level signal; Described second feedback voltage regulating and stabilizing device LDO, for according to described level value the power supply connected in advance being carried out the output voltage that voltage-regulation voltage-stabilization obtains through regulating, inputs to described three line DC fans by this output voltage through regulating.
In the present embodiment, the lighting outlet of three line DC fans is respectively driving voltage input line, ground wire and frequency signal output line; 3rd main control singlechip, comprising: timer conter module and PWM module, and this timer conter module is connected with frequency signal output line, for receiving the frequency signal be directly proportional to rotation speed of fan that described three line DC fans export; Calculate the frequency values corresponding with described frequency signal; Obtain intermediate value corresponding to described frequency values according to preset data correspondence table, and intermediate value is sent to PWM module; This PWM module is connected with electric capacity with timer conter module respectively, after described intermediate value being converted to corresponding pwm signal, input to described electric capacity.
In the present embodiment, the 3rd main control singlechip shown in Fig. 4 can be replaced by special signal conversion chip, but the adjustment Stability and veracity of special signal conversion chip is not as the 3rd main control singlechip; Now, the structure of rotation speed of fan bucking-out system can be as shown in Figure 5; Concrete, when described DC fan is three line DC fan, described speed considerations device, comprising:
Special signal conversion chip 1027, electric capacity 1028 and the second feedback voltage regulating and stabilizing device LDO 1029; Described electric capacity feeds back voltage regulating and stabilizing device LDO with described special signal conversion chip and described second respectively and is connected; Described three line DC fans feed back voltage regulating and stabilizing device LDO with described special signal conversion chip and described second respectively and are connected;
Described special signal conversion chip, for receiving the frequency signal be directly proportional to rotation speed of fan that described three line DC fans export; Calculate the frequency values corresponding with described frequency signal; Obtain intermediate value corresponding to described frequency values according to preset data correspondence table, and input to described electric capacity after described intermediate value being converted to corresponding pwm signal;
Described electric capacity, inputs to described second feedback voltage regulating and stabilizing device LDO after described pwm signal is converted to level signal;
Described second feedback voltage regulating and stabilizing device LDO, for according to described level value the power supply connected in advance being carried out the output voltage that voltage-regulation voltage-stabilization obtains through regulating, inputs to described three line DC fans by this output voltage through regulating.
In the present embodiment, described speed considerations device is arranged in described suspended particulate matter concentration detection device, or is arranged on described suspended particulate matter concentration detection device.
The utility model has following beneficial effect: the frequency signal be directly proportional to rotation speed of fan being received the output of described DC fan by speed considerations device; Obtain the input signal corresponding with described frequency signal; Drive described DC fan according to described input signal, thus realize regulating rotation speed of fan, make its approximately constant, and then reduce the impact on the accuracy that suspended particulate matter concentration detection device detects.The technological scheme that the utility model embodiment provides to solve in prior art blower fan after long-play, rotating speed can change, and cause the airspeed of suspended particulate matter concentration detection device to change, and then affect the problem of the accuracy that suspended particulate matter concentration detection device detects.
The sequencing of above embodiment, only for ease of describing, does not represent the quality of embodiment.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment's technological scheme of the utility model.
Claims (9)
1. a rotation speed of fan bucking-out system, is characterized in that, comprising:
Suspended particulate matter concentration detection device and speed considerations device; Described suspended particulate matter concentration detection device comprises DC fan, and described speed considerations device is connected with described DC fan;
Described speed considerations device, for receiving the frequency signal be directly proportional to rotation speed of fan that described DC fan exports; Obtain the input signal corresponding with described frequency signal; Described DC fan is driven according to described input signal.
2. rotation speed of fan bucking-out system according to claim 1, is characterized in that, described DC fan is three line DC fans or four line DC fans.
3. rotation speed of fan bucking-out system according to claim 2, is characterized in that, when described DC fan is four line DC fan, described speed considerations device is the first main control singlechip.
4. rotation speed of fan bucking-out system according to claim 2, is characterized in that, when described DC fan is three line DC fan, described speed considerations device, comprising:
Second main control singlechip and the first feedback voltage regulating and stabilizing device LDO, described second main control singlechip and described first feeds back voltage regulating and stabilizing device LDO and is connected, and described three line DC fans feed back voltage regulating and stabilizing device LDO with described second main control singlechip and described first respectively and are connected;
Described second main control singlechip, for receiving the frequency signal be directly proportional to rotation speed of fan that described three line DC fans export; Calculate the frequency values corresponding with described frequency signal; Obtain intermediate value corresponding to described frequency values according to preset data correspondence table, and after described intermediate value is converted to level value, input to described first feedback voltage regulating and stabilizing device LDO;
Described first feedback voltage regulating and stabilizing device LDO, for according to described level value the power supply connected in advance being carried out the output voltage that voltage-regulation voltage-stabilization obtains through regulating, inputs to described three line DC fans by this output voltage through regulating.
5. rotation speed of fan bucking-out system according to claim 2, is characterized in that, described speed considerations device, comprising:
Dedicated frequency voltage conversion chip and the first feedback voltage regulating and stabilizing device LDO, described dedicated frequency voltage conversion chip and described first is fed back voltage regulating and stabilizing device LDO and is connected, and described three line DC fans feed back voltage regulating and stabilizing device LDO with described dedicated frequency voltage conversion chip and described first respectively and are connected;
Described dedicated frequency voltage conversion chip, for receiving the frequency signal be directly proportional to rotation speed of fan that described three line DC fans export; Calculate the frequency values corresponding with described frequency signal; Obtain intermediate value corresponding to described frequency values according to preset data correspondence table, and after described intermediate value is converted to level value, input to described first feedback voltage regulating and stabilizing device LDO;
Described first feedback voltage regulating and stabilizing device LDO, for according to described level value the power supply connected in advance being carried out the output voltage that voltage-regulation voltage-stabilization obtains through regulating, inputs to described three line DC fans by this output voltage through regulating.
6. rotation speed of fan compensating circuit according to claim 2, is characterized in that, when described DC fan is three line DC fan, described speed considerations device, comprising:
3rd main control singlechip, electric capacity and the second feedback voltage regulating and stabilizing device LDO; Described electric capacity feeds back voltage regulating and stabilizing device LDO with described 3rd main control singlechip and described second respectively and is connected; Described three line DC fans feed back voltage regulating and stabilizing device LDO with described 3rd main control singlechip and described second respectively and are connected;
Described 3rd main control singlechip, for receiving the frequency signal be directly proportional to rotation speed of fan that described three line DC fans export; Calculate the frequency values corresponding with described frequency signal; Obtain intermediate value corresponding to described frequency values according to preset data correspondence table, and input to described electric capacity after described intermediate value being converted to corresponding pwm signal;
Described electric capacity, inputs to described second feedback voltage regulating and stabilizing device LDO after described pwm signal is converted to level signal;
Described second feedback voltage regulating and stabilizing device LDO, for according to described level value the power supply connected in advance being carried out the output voltage that voltage-regulation voltage-stabilization obtains through regulating, inputs to described three line DC fans by this output voltage through regulating.
7. rotation speed of fan compensating circuit according to claim 2, is characterized in that, when described DC fan is three line DC fan, described speed considerations device, comprising:
Special signal conversion chip, electric capacity and the second feedback voltage regulating and stabilizing device LDO; Described electric capacity feeds back voltage regulating and stabilizing device LDO with described special signal conversion chip and described second respectively and is connected; Described three line DC fans feed back voltage regulating and stabilizing device LDO with described special signal conversion chip and described second respectively and are connected;
Described special signal conversion chip, for receiving the frequency signal be directly proportional to rotation speed of fan that described three line DC fans export; Calculate the frequency values corresponding with described frequency signal; Obtain intermediate value corresponding to described frequency values according to preset data correspondence table, and input to described electric capacity after described intermediate value being converted to corresponding pwm signal;
Described electric capacity, inputs to described second feedback voltage regulating and stabilizing device LDO after described pwm signal is converted to level signal;
Described second feedback voltage regulating and stabilizing device LDO, for according to described level value the power supply connected in advance being carried out the output voltage that voltage-regulation voltage-stabilization obtains through regulating, inputs to described three line DC fans by this output voltage through regulating.
8. rotation speed of fan bucking-out system as claimed in any of claims 1 to 7, is characterized in that, described speed considerations device is arranged in described suspended particulate matter concentration detection device, or is arranged on described suspended particulate matter concentration detection device.
9. rotation speed of fan bucking-out system as claimed in any of claims 1 to 7, is characterized in that, described suspended particulate matter concentration monitoring device and speed considerations device are same device.
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| CN201520125877.3U CN204493248U (en) | 2015-03-04 | 2015-03-04 | Rotation speed of fan bucking-out system |
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| CN201520125877.3U CN204493248U (en) | 2015-03-04 | 2015-03-04 | Rotation speed of fan bucking-out system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890113A (en) * | 2016-04-11 | 2016-08-24 | 青岛海尔空调器有限总公司 | Dust concentration detection method based on air conditioner |
| CN110954453A (en) * | 2018-09-27 | 2020-04-03 | 财团法人工业技术研究院 | Suspended particle sensing device |
| CN111023411A (en) * | 2019-11-26 | 2020-04-17 | 安徽军创佳美环保科技有限公司 | Indoor air purification control system |
| CN114838453A (en) * | 2022-04-21 | 2022-08-02 | 珠海格力电器股份有限公司 | Formaldehyde detection method, formaldehyde detection device, air purifier and storage medium |
| CN115096374A (en) * | 2022-08-22 | 2022-09-23 | 中工重科智能装备有限责任公司 | Intelligent dust removal prediction compensation method and system in casting |
-
2015
- 2015-03-04 CN CN201520125877.3U patent/CN204493248U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890113A (en) * | 2016-04-11 | 2016-08-24 | 青岛海尔空调器有限总公司 | Dust concentration detection method based on air conditioner |
| CN105890113B (en) * | 2016-04-11 | 2019-02-05 | 青岛海尔空调器有限总公司 | Dust concentration detecting method based on air conditioner |
| CN110954453A (en) * | 2018-09-27 | 2020-04-03 | 财团法人工业技术研究院 | Suspended particle sensing device |
| CN110954453B (en) * | 2018-09-27 | 2022-07-12 | 财团法人工业技术研究院 | Suspended particle sensing device |
| CN111023411A (en) * | 2019-11-26 | 2020-04-17 | 安徽军创佳美环保科技有限公司 | Indoor air purification control system |
| CN114838453A (en) * | 2022-04-21 | 2022-08-02 | 珠海格力电器股份有限公司 | Formaldehyde detection method, formaldehyde detection device, air purifier and storage medium |
| CN115096374A (en) * | 2022-08-22 | 2022-09-23 | 中工重科智能装备有限责任公司 | Intelligent dust removal prediction compensation method and system in casting |
| CN115096374B (en) * | 2022-08-22 | 2022-11-11 | 中工重科智能装备有限责任公司 | Intelligent dust removal prediction compensation method and system in casting |
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