CN210463537U - Ventilation system device capable of automatically detecting and replacing filter cotton and filter cotton blockage detection device - Google Patents
Ventilation system device capable of automatically detecting and replacing filter cotton and filter cotton blockage detection device Download PDFInfo
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- CN210463537U CN210463537U CN201921053420.0U CN201921053420U CN210463537U CN 210463537 U CN210463537 U CN 210463537U CN 201921053420 U CN201921053420 U CN 201921053420U CN 210463537 U CN210463537 U CN 210463537U
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Abstract
The utility model relates to a ventilation system field discloses a ventilation system device and filter pulp jam detection device of automated inspection and change filter pulp, and filter pulp jam detection device includes: the device comprises a fan, a light emitting module, a light receiving module and a signal processing module. The fan blades of the fan can rotate in the movable space when driven by wind from the air outlet; the light emitting module is used for sending light signals to the movable space of the fan; the light receiving module is used for receiving an optical signal passing through a selected space in the movable space when the fan blades rotate and converting the optical signal into an analog electrical signal; the signal processing module is used for converting the analog electric signal into a digital signal and acquiring data about the rotating speed of the fan blades according to the digital signal to judge whether the filter cotton positioned at the air inlet is blocked or not, and if the filter cotton is blocked, the filter cotton is automatically replaced through the ventilation system device, so that full automation is realized. The utility model discloses ventilation system device and filter pulp jam detection device simple structure, low in production cost of automated inspection and change filter pulp accord with the market demand.
Description
Technical Field
The utility model relates to a ventilation system field especially relates to a ventilation system device and filter pulp jam detection device of automated inspection and change filter pulp.
Background
The ventilation system is widely applied to environments such as a lot of factories, enterprises and machine rooms, and the ventilation system can lead in external air to replace indoor high-temperature gas and peculiar smell gas, so that the indoor temperature is reduced, the peculiar smell is removed, and indoor equipment can be cooled. However, since the outside air has a large amount of dust, the ventilation system can enter the room only after the outside air is filtered, and the air is filtered by using filter cotton, the filter cotton is blocked after being used for a period of time, and the blockage of the filter cotton directly affects the efficiency of the ventilation system.
In order to detect the clogging of the filter, the person skilled in the art has devised means for detecting the clogging of the filter. Chinese patent No. 201410439148.5 discloses an electrical equipment of taking filter screen jam detection function, electrical equipment includes air intake, air outlet, wind channel, wind wheel, fan motor, airstrainer and electrical equipment controller, and airstrainer installs on the wind channel, and fan motor drives the wind wheel and rotates and make the air get into the wind channel and through the filtration cotton from the air intake, then export from the air outlet.
The electric equipment acquires air volume data to judge whether the air filter screen is blocked (if the air filter screen is blocked, the air volume is less) by acquiring real-time operation parameters of a fan motor and processing the real-time operation parameters through an electric equipment controller. However, the electrical equipment controller has a complex internal structure and needs to use a plurality of circuits, so that the production cost is high and the market requirement is not met.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a ventilation system device and cotton filter blockage detection device that simple structure, low in manufacturing cost, can realize automated inspection and automatic change.
The utility model provides a filter pulp blocks up detection device for base station ventilation system, filter pulp block up detection device install in the air outlet department in base station ventilation system's wind channel, filter pulp blocks up detection device and includes:
the fan is arranged at the air outlet of the air duct and is provided with a movable space and a plurality of fan blades which are spaced from each other, and the fan blades can rotate in the movable space when driven by the wind at the air outlet;
the light-emitting module is arranged on one side of the fan and used for sending light signals to the movable space of the fan;
the light receiving module is arranged on the other side of the fan and used for receiving the optical signal passing through a selected space in the movable space when the fan blades rotate and converting the optical signal into an analog electric signal;
and the signal processing module is connected with the light receiving module, is used for receiving the analog electric signal, converting the analog electric signal into a digital signal, acquiring data about the rotating speed of the fan blades according to the digital signal, and judging whether the filter cotton positioned at the air inlet of the air channel is blocked or not according to the data.
Preferably: the light emitting module is connected with the signal processing module, and the signal processing module is used for controlling the light emitting module to send the optical signal to the active space of the fan.
Preferably, the wind speed of the wind at the wind outlet is in direct proportion to the rotating speed of the fan blades.
Preferably, the light emitting module and the light receiving module are arranged oppositely.
The utility model also provides a ventilation system device of automated inspection and change filter pulp, include:
the filter cotton blockage detection device, the filter cotton replacement device, the filter cotton, the control device and the fan are arranged as above;
the signal processing module of the filter clogging detection device is connected with the control device and is used for transmitting a filter cotton replacing instruction to the control device;
the filter cotton is arranged on the filter cotton replacing device;
the control device is connected with the filter cotton replacing device and used for receiving the filter cotton replacing command and controlling the filter cotton replacing device to replace the filter cotton according to the filter cotton replacing command.
Preferably, the filter cotton replacing device is provided with a new filter cotton winding device, a filter cotton box, an old filter cotton recycling device and a motor;
the new filter cotton winding device, the filter cotton box and the old filter cotton recovery device are connected in sequence; one end of the filter cotton is wound on the new filter cotton winding device, and the other end of the filter cotton is wound on the old filter cotton recovery device through the filter cotton box;
the motor is respectively connected with the old filter cotton recovery device and the control device and is used for driving the old filter cotton recovery device to transmit.
Preferably, the control device is provided with a memory in which length control data for controlling the length of the filter cotton at each replacement is stored.
Preferably, the ventilation system device is also provided with an alarm device, and the alarm device is connected with the control device; the control device outputs related instructions to the alarm device according to the new filter cotton quantity data and the new filter cotton replaceable frequency data.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the filter cotton blockage detection device of the utility model realizes the detection of whether the filter cotton is blocked or not through the fan, the light emitting module, the light receiving module and the signal processing module, and has simple structure; in addition, because the fan, the light emitting module and the light receiving module are all electronic elements commonly used in the market, the filter cotton blockage detection device is easy to produce, has low production cost and meets the market requirements.
(2) Because the utility model discloses the ventilation system device is equipped with the filter pulp and blocks up detection device, changes filter pulp device and controlling means, because the filter pulp blocks up detection device and can detect whether the filter pulp blocks up, if the filter pulp blocks up, the accessible to controlling means sends and changes the filter pulp instruction, controlling means receives and changes the filter pulp instruction after, the filter pulp device is changed in accessible control to the filter pulp device is changed to realize automaticly.
(3) The memory stores the data of the number of the new filter cotton and the data of the number of times of replacing the new filter cotton. When the number of the new filter cotton or the number of times of replacing the new filter cotton is lower than a threshold value, the alarm device can give an alarm, so that the situation that no new filter cotton is replaced can be avoided.
Drawings
FIG. 1 is a schematic structural view of a filter clogging detecting apparatus;
FIG. 2 is a schematic structural view of a filter cotton replacing device and filter cotton;
fig. 3 is a schematic structural view of the filter clogging detecting device and the air duct.
Detailed Description
The present invention will be described in further detail by way of the following examples.
Referring to fig. 1-3, a ventilation system device for automatically detecting and replacing filter cotton, which is used in a base station ventilation system, includes: a filter clogging detection device 1, a filter replacement device 2, a filter 3, a control device (not shown), a fan 4, and an alarm device (not shown).
The filter cotton blockage detection device 1 is installed at an air outlet 51 of an air duct 5 of the base station ventilation system, and the filter cotton blockage detection device 1 comprises: fan 11, light emitting module 12, light receiving module 13 and signal processing module 14.
The fan 11 is installed at the air outlet 51 of the air duct 5, the fan 11 is provided with an active space 111 and a plurality of spaced fan blades 112, and the fan blades 112 can rotate in the active space 111 when being driven by the wind from the air outlet 51. The rotation speed of the fan blade 112 and the wind speed of the wind at the wind outlet 51 are in direct proportion, that is, the larger the wind speed is, the faster the rotation speed of the fan blade 112 is, and when the wind speed is high, it indicates that the filter cotton 3 is not blocked, otherwise.
The light emitting module 12 is installed at one side of the fan 11, the light emitting module 12 is connected to the signal processing module 14, and the signal processing module 14 is configured to control the light emitting module 12 to transmit a light signal to the active space 111 of the fan 11.
The light receiving module 13 is installed at the other side of the fan 11, the light receiving module 13 is disposed opposite to the light emitting module 12, and the light receiving module 13 is configured to receive the light signal passing through a selected space (not numbered) in the active space 111 when the fan blade 112 rotates and convert the light signal into an analog electrical signal.
In the selected space, since the optical signal passing through the selected space at the previous time is not blocked by the fan blade 112, the optical signal received by the optical receiving module 13 is stronger; at the latter moment, the fan blade 112 rotates to block the optical signal passing through the selected space, so that the optical signal received by the light receiving module 13 is relatively weak. The light receiving module 13 converts the light signals with alternating intensity into corresponding analog electrical signals.
The signal processing module 14 is connected to the light receiving module 13, and is configured to receive the analog electrical signal and convert the analog electrical signal into a digital signal, and is configured to obtain data about the rotation speed of the fan blade 112 according to the digital signal, and determine whether the filter cotton 3 is clogged according to the data. If the filter cotton 3 is blocked, the signal processing module 14 can transmit a filter cotton replacing instruction to the control device.
The cotton filter replacing device 2 is arranged at the air inlet 52 of the air duct 5 of the base station ventilation system. The filter cotton replacing device 2 is provided with a new filter cotton winding device 21, a filter cotton box 22, an old filter cotton recovery device 23 and a motor 24; the new filter cotton winding device 21, the filter cotton box 22 and the old filter cotton recovery device 23 are connected in sequence; the motor 24 is connected with the old filter cotton recovery device 23 and is used for driving the old filter cotton recovery device 23 to transmit.
The filter cotton 3 is located at the air inlet 52 of the air duct 5, one end of the filter cotton 3 is wound on the new filter cotton winding device 21, and the other end of the filter cotton 3 is wound on the old filter cotton recovery device 23 through the filter cotton box 22.
The control device is respectively connected with the signal processing module 14, the motor 24 and the alarm device, and is used for receiving the filter cotton replacing instruction, controlling the motor 24 of the filter cotton replacing device 2 to be started according to the filter cotton replacing instruction, and replacing the filter cotton 3.
The control device is provided with a memory, and length control data used for controlling the length of the filter cotton 3 to be replaced each time is stored in the memory, so that the length of the filter cotton 3 to be replaced each time by the filter cotton replacing device 2 is consistent.
In addition, the memory is also stored with new filter cotton quantity data, new filter cotton replaceable times data and new filter cotton lost data, and the control device outputs related instructions to the alarm device according to the new filter cotton quantity data, the new filter cotton replaceable times data and the new filter cotton lost data. When the number of the new filter cotton 3 or the number of times of replacement of the new filter cotton 3 is lower than a threshold value, the alarm device can give an alarm; in addition, when the new filter cotton 3 is lost, the alarm device can also give an alarm. In this way, the situation where no new filter cloths 3 are exchangeable can be avoided.
The utility model discloses ventilation system device's working process as follows:
the fan 4 rotates to make the outside air form wind, and the wind enters from the air inlet 52, is filtered by the filter cotton 3 and then is output from the air outlet 51. The wind at the air outlet 51 drives the fan blades 112 to rotate in the movable space 111;
controlling the light emitting module 12 to send the light signal to the active space 111 of the fan 11 through the signal processing module 14;
the signal processing module 14 controls and controls the light receiving module 13 to receive the light signal passing through the selected space when the fan blades 112 rotate.
The signal processing module 14 receives the analog electrical signal and converts the analog electrical signal into a digital signal, and is configured to obtain data about the rotation speed of the fan blades 112 according to the digital signal, and determine whether the filter cotton 3 is clogged according to the data. If the filter cotton 3 is blocked, the signal processing module 14 transmits a filter cotton replacing instruction to the control device.
The control device receives the filter cotton replacing instruction and controls the motor 24 to be started, when the motor 24 is started, the motor drives the old filter cotton recovery device 23 to transmit, so that the filter cotton 3 to be replaced is driven to move into the old filter cotton recovery device 23, and when the filter cotton 3 to be replaced moves, the filter cotton 3 is driven to be wound on the new filter cotton winding device 21 to be new, and the filter cotton 3 enters the filter cotton box 22, so that the automatic replacing process is completed.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the filter cotton blockage detection device 1 of the utility model realizes the detection of whether the filter cotton is blocked or not through the fan 11, the light emitting module 12, the light receiving module 13 and the signal processing module 14, and has a simple structure; in addition, because the fan 11, the light emitting module 12 and the light receiving module 13 are all electronic components commonly used in the market, the filter clogging detection device 1 is not only easy to produce, but also low in production cost, and meets the market requirements.
(2) Because the utility model discloses the ventilation system device is equipped with filter pulp and blocks up detection device 1, changes filter pulp device 2 and controlling means, because filter pulp blocks up detection device 1 and can detect whether the filter pulp blocks up, if filter pulp 3 blocks up, the accessible to controlling means sends and changes the filter pulp instruction, controlling means receives and changes the filter pulp instruction after, and the accessible control is changed filter pulp device 2 and is changed filter pulp 3 to realize automaticly.
(3) The memory stores the data of the number of the new filter cotton, the data of the number of times the new filter cotton can be replaced and the data of whether the new filter cotton is lost. When the new filter cotton quantity or the new filter cotton 3 replacement times is lower than a threshold value, the alarm device can give an alarm; in addition, when the new filter cotton 3 is absent, the alarm device can also give an alarm. In this way, the situation where no new filter cloths 3 are exchangeable can be avoided.
Claims (8)
1. The utility model provides a filter pulp blocks up detection device for basic station ventilation system, filter pulp blocks up detection device install in the air outlet department in basic station ventilation system's wind channel, its characterized in that, filter pulp blocks up detection device and includes:
the fan is arranged at the air outlet of the air duct and is provided with a movable space and a plurality of fan blades which are spaced from each other, and the fan blades can rotate in the movable space when driven by the wind at the air outlet;
the light-emitting module is arranged on one side of the fan and used for sending light signals to the movable space of the fan;
the light receiving module is arranged on the other side of the fan and used for receiving the optical signal passing through a selected space in the movable space when the fan blades rotate and converting the optical signal into an analog electric signal;
and the signal processing module is connected with the light receiving module, is used for receiving the analog electric signal, converting the analog electric signal into a digital signal, acquiring data about the rotating speed of the fan blades according to the digital signal, and judging whether the filter cotton positioned at the air inlet of the air channel is blocked according to the data.
2. The filter clogging detection apparatus according to claim 1, wherein: the light emitting module is connected with the signal processing module, and the signal processing module is used for controlling the light emitting module to send the optical signal to the active space of the fan.
3. The filter clogging detection apparatus according to claim 1, wherein: the wind speed of the wind at the wind outlet is in direct proportion to the rotating speed of the fan blades.
4. The filter clogging detection apparatus according to claim 1, wherein: the light emitting module and the light receiving module are arranged oppositely.
5. A ventilation system apparatus for automatically detecting and replacing filter cotton, comprising:
a filter clogging detecting device, a filter replacing device, the filter, a control device and a fan according to claim 1;
the signal processing module of the filter clogging detection device is connected with the control device and is used for transmitting a filter cotton replacing instruction to the control device;
the filter cotton is arranged on the filter cotton replacing device;
the control device is connected with the filter cotton replacing device and used for receiving the filter cotton replacing command and controlling the filter cotton replacing device to replace the filter cotton according to the filter cotton replacing command.
6. The ventilating system apparatus as set forth in claim 5, wherein the filter-replacing apparatus has a new filter-winding apparatus, a filter box, an old filter recovery apparatus and a motor;
the new filter cotton winding device, the filter cotton box and the old filter cotton recovery device are connected in sequence; one end of the filter cotton is wound on the new filter cotton winding device, and the other end of the filter cotton is wound on the old filter cotton recovery device through the filter cotton box;
the motor is respectively connected with the old filter cotton recovery device and the control device and is used for driving the old filter cotton recovery device to transmit.
7. The ventilating system apparatus as set forth in claim 5, wherein the control means is provided with a memory in which length control data for controlling the length of the filter medium at each replacement is stored.
8. The ventilation system apparatus as claimed in claim 6, wherein an alarm means is further provided, the alarm means being connected to the control means; the control device outputs related instructions to the alarm device according to the new filter cotton quantity data and the new filter cotton replaceable frequency data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921053420.0U CN210463537U (en) | 2019-07-04 | 2019-07-04 | Ventilation system device capable of automatically detecting and replacing filter cotton and filter cotton blockage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921053420.0U CN210463537U (en) | 2019-07-04 | 2019-07-04 | Ventilation system device capable of automatically detecting and replacing filter cotton and filter cotton blockage detection device |
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| Publication Number | Publication Date |
|---|---|
| CN210463537U true CN210463537U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921053420.0U Active CN210463537U (en) | 2019-07-04 | 2019-07-04 | Ventilation system device capable of automatically detecting and replacing filter cotton and filter cotton blockage detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610390A (en) * | 2021-01-19 | 2021-04-06 | 广州市南沙区哦卡商贸有限公司 | Ocean current power generation device with filter screen capable of being replaced |
| CN114177711A (en) * | 2021-11-02 | 2022-03-15 | 华能中电威海风力发电有限公司 | Filter device convenient for replacing fan radiator |
-
2019
- 2019-07-04 CN CN201921053420.0U patent/CN210463537U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610390A (en) * | 2021-01-19 | 2021-04-06 | 广州市南沙区哦卡商贸有限公司 | Ocean current power generation device with filter screen capable of being replaced |
| CN114177711A (en) * | 2021-11-02 | 2022-03-15 | 华能中电威海风力发电有限公司 | Filter device convenient for replacing fan radiator |
| CN114177711B (en) * | 2021-11-02 | 2023-06-23 | 华能中电威海风力发电有限公司 | Filter device convenient for replacing fan radiator |
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