CN118741915A - An anti-interference data collector - Google Patents

Abstract

The present application discloses an anti-interference data collector, belonging to the technical field of data collectors, comprising a housing, a vent opening is provided on the side wall of the housing, a first filter screen is provided in the vent opening, a cleaning chamber is formed in the inner wall of the housing and is located below the first filter screen, a second filter screen is provided in the cleaning chamber, the first filter screen and the second filter screen have the same structure and size, and both can close the vent opening; a first connection port and a second connection port are provided on the inner top surface of the cleaning chamber, the first filter screen can enter the cleaning chamber through the first connection port, and the second filter screen can enter the vent opening through the second connection port, a driving mechanism for driving the second filter screen to move is installed in the housing, a pushing mechanism for driving the first filter screen to move is installed in the housing, and two groups of cleaning mechanisms for cleaning the first filter screen and the second filter screen are installed in the cleaning chamber. The present application solves the problem of affecting the data collected by the data collector.

Description

An anti-interference data collector

Technical Field

The present application relates to the technical field of data collectors, and in particular to an anti-interference data collector.

Background Art

The data collector is an automated device with real-time data collection and processing functions. It is a terminal computer input device with battery and can be operated offline. It has real-time collection, instant display, automatic storage, instant feedback, automatic processing, and automatic transmission functions, which guarantees the authenticity, validity, real-time and availability of on-site data.

In the prior art, the anti-interference data collector includes a shell, a display panel, a power interface, a WIFI interface end, a data connection port, and a GPRS output end. The display panel is embedded in the outer side of the shell to facilitate operation by the staff. The power interface, the WIFI interface end and the data connection port are all embedded in the end face of the front side of the shell. The WIFI interface end is located on the right side of the power interface, and the data connection port is located below the WIFI interface end. The GPRS output end is arranged at the upper end of the shell. A control circuit board and an acquisition circuit board are installed inside the shell. The power interface, the WIFI interface end and the GPRS output end are all electrically connected to the control circuit board. The acquisition circuit board is electrically connected to the control circuit board. The data connection port is welded on the acquisition circuit board. A vent is opened on the side wall of the shell. A filter is installed in the vent. The filter is connected to the shell by bolts. External air enters the shell through the vent and exchanges with the hot air in the shell. The filter filters the air entering the shell.

However, after the filter has been used for a long time, it needs to be cleaned. At this time, the staff first removes the filter from the shell and then cleans the filter. The staff's operation process is relatively complicated. At the same time, the filter cannot continue to filter the air entering the shell during the cleaning process, which will affect the data collected by the data collector.

Summary of the invention

In order to solve the problem of affecting the data collected by the data collector, the present application provides an interference-resistant data collector.

The anti-interference data collector provided by the present application adopts the following technical solution:

An anti-interference data collector comprises a shell, a vent is provided on the side wall of the shell, a first filter is arranged in the vent, a cleaning chamber is formed in the inner wall of the shell and is located below the first filter, a second filter is arranged in the cleaning chamber, the first filter and the second filter are of the same size and can both close the vent; a first connecting port and a second connecting port are provided on the inner top surface of the cleaning chamber, the first filter can enter the cleaning chamber through the first connecting port, and the second filter can enter the vent through the second connecting port, a driving mechanism for driving the second filter to move is installed in the shell, a pushing mechanism for driving the first filter to move is installed in the shell, and two groups of cleaning mechanisms for cleaning the first filter and the second filter are installed in the cleaning chamber.

Preferably, the driving mechanism includes a motor fixedly connected in the cleaning chamber, a driving screw rotatably installed in the cleaning chamber, and a driving guide rod fixedly connected in the cleaning chamber; a first bevel gear is fixedly connected to the output shaft of the motor, a second bevel gear meshing with the first bevel gear is fixedly connected to the driving screw, the driving screw and the driving guide rod both extend into the ventilation port through the second connecting port, the driving screw and the driving guide rod are both inserted into the second filter screen, and the driving screw is threadedly connected to the second filter screen.

Preferably, the pushing mechanism includes a pushing screw rotatably mounted on the inner wall of the vent and a pushing guide rod fixedly connected to the inner wall of the vent, the pushing screw and the pushing guide rod both extend into the cleaning chamber through the first connecting port, the pushing screw and the pushing guide rod both pass through the first filter screen, the pushing screw is threadedly connected to the first filter screen, a transmission component is installed in the shell, and the driving screw can drive the pushing screw to rotate through the transmission component.

Preferably, a mounting groove is provided on the inner top surface of the vent, and the driving screw and the pushing screw are both rotatably connected to the inner wall of the mounting groove, and the transmission component includes a first gear sleeved on the driving screw, and the first gear is rotatably connected to the second filter screen, and a sliding groove is provided on the circumferential surface of the driving screw, and a sliding block is placed in the sliding groove, and the sliding block is fixedly connected to the first gear; a smooth section is provided on the driving screw, and a transmission shaft is rotatably installed on the inner top surface of the mounting groove, and a second gear is fixedly connected to the transmission shaft, and when the second filter screen moves to the smooth section on the driving screw, the first gear meshes with the second gear, and a first conveyor belt is sleeved on the transmission shaft and the pushing screw; a locking component for locking the second filter screen is installed in the shell.

Preferably, the locking component includes a fixing plate fixedly connected in the mounting groove and a locking rod passed through the fixing plate, a plug-in block is fixedly connected to the top of the second filter screen, a locking groove for inserting the locking rod is provided on the side wall of the plug-in block, a pull plate is fixedly connected to the end of the locking rod away from the second filter screen, a locking spring is fixedly connected between the pull plate and the fixing plate, and an unlocking component for pulling the locking rod out of the locking groove is installed on the first filter screen.

Preferably, the unlocking component includes an unlocking rod fixedly connected to the first filter screen and an unlocking plate fixedly connected to the unlocking rod, the unlocking plate is located below the pulling plate, a pulling slope is formed on the side of the pulling plate close to the fixed plate, and an unlocking slope is formed on the side of the unlocking plate close to the first filter screen, and the unlocking slope is used in conjunction with the pulling slope.

Preferably, the cleaning mechanism includes two rotating shafts rotatably installed in the cleaning chamber, the two rotating shafts are respectively located on both sides of the first filter, brushes are fixedly connected to the two rotating shafts, and the two brushes can contact the first filter. A connecting component is installed in the cleaning chamber, and the pushing screw can drive the two rotating shafts to rotate through the connecting component.

Preferably, the connecting component includes a third gear fixedly connected to the pushing screw, and two connecting shafts are rotatably installed in the cleaning chamber, and the two connecting shafts are respectively arranged corresponding to the rotating shafts, and the two connecting shafts are fixedly connected to a transmission wheel, and the two transmission wheels are hingedly connected to a plurality of teeth, and the hinge shaft installed in the teeth is located on one side of the teeth, and the plurality of teeth are meshed with the third gear, and a torsion spring is sleeved on the hinge shaft installed in the teeth, a third bevel gear is fixedly connected to the connecting shaft, and a fourth bevel gear meshing with the third bevel gear is fixedly connected to the rotating shaft.

Preferably, a reciprocating screw is rotatably installed in the cleaning chamber, a second conveyor belt is sleeved on the reciprocating screw and the rotating shaft, a cleaning guide rod is fixedly connected in the cleaning chamber, a movable plate is sleeved on the reciprocating screw and the cleaning guide rod, the reciprocating screw and the movable plate are threadedly connected, a cleaning plate is slidably installed on the movable plate, a slide groove is opened on the movable plate, a slider is placed in the slide groove, the slider is fixedly connected to the cleaning plate, a cleaning spring is fixedly connected to the inner wall of the slide groove, the cleaning spring is fixedly connected to the slider, a plurality of cleaning columns are fixedly connected to the cleaning plate, and the plurality of cleaning columns are respectively arranged corresponding to the filter holes on the first filter screen.

In summary, the present application includes at least one of the following beneficial technical effects:

After the first filter has been used for a long time, the driving mechanism and the pushing mechanism are started. The pushing mechanism drives the first filter to enter the cleaning chamber through the first connecting port, and the driving mechanism drives the second filter to enter the vent through the second connecting port. Then the cleaning mechanism is started to clean the first filter. At this time, the second filter can still filter the air entering the shell, which solves the problem of affecting the data collected by the data collector. During the movement of the second filter, the second filter drives the first gear to move, and the first gear rotates at the same time. When the second filter moves to the smooth section on the driving screw, the second filter is completely moved into the vent. , and at the same time, the first gear meshes with the second gear. At this time, the second filter stops moving, the first gear drives the second gear to rotate, and the second gear drives the first filter to move. When the second filter is completely moved to the vent, the first filter can move, so that the air entering the shell is filtered more cleanly, further solving the problem of affecting the data collected by the data collector; in the process of pushing the screw to rotate, the pushing screw drives the two rotating shafts to rotate through the connecting component, and the two rotating shafts respectively drive the brushes to rotate. The brushes can clean the dust on both sides of the first filter, thereby cleaning the first filter. Description of the drawings

FIG1 is a schematic diagram of the overall structure of an anti-interference data collector according to an embodiment of the present application.

FIG. 2 is a schematic diagram of the structure of the first filter screen according to an embodiment of the present application.

FIG. 3 is a schematic structural diagram of a driving mechanism according to an embodiment of the present application.

FIG. 4 is a schematic structural diagram of a driving mechanism according to an embodiment of the present application.

FIG. 5 is a schematic diagram of the structure of a plug-in block according to an embodiment of the present application.

FIG. 6 is a schematic diagram of the structure of a drive screw according to an embodiment of the present application.

FIG. 7 is a schematic diagram of the structure of the transmission component of an embodiment of the present application.

FIG. 8 is a schematic diagram of the structure of teeth according to an embodiment of the present application.

FIG. 9 is a schematic diagram of the structure of the cleaning mechanism according to an embodiment of the present application.

FIG. 10 is a schematic diagram of the structure of the movable plate according to an embodiment of the present application.

Description of reference numerals:

1. Shell; 11. Ventilation port; 12. First filter screen; 13. Cleaning chamber; 14. Second filter screen; 15. First connection port; 16. Second connection port; 17. Mounting slot; 2. Driving mechanism; 21. Motor; 211. First bevel gear; 22. Driving screw; 221. Second bevel gear; 222. Sliding slot; 223. Sliding block; 23. Driving guide rod; 3. Pushing mechanism; 31. Pushing screw; 32. Pushing guide rod; 4. Cleaning mechanism; 41. Rotating shaft; 411. Fourth bevel gear; 42. Brush; 43. Reciprocating screw; 44. Second conveyor belt; 45. Cleaning guide rod; 46. Moving plate; 4 61. slide groove; 462. slider; 47. cleaning plate; 48. cleaning spring; 49. cleaning column; 5. transmission component; 51. first gear; 52. transmission shaft; 53. second gear; 54. first conveyor belt; 6. locking component; 61. fixing plate; 62. locking rod; 63. plug-in block; 631. locking groove; 64. pull plate; 641. pulling inclined plane; 65. locking spring; 7. unlocking component; 71. unlocking rod; 72. unlocking plate; 721. unlocking inclined plane; 8. connecting component; 81. third gear; 82. connecting shaft; 821. third bevel gear; 83. transmission wheel; 84. teeth; 85. torsion spring.

DETAILED DESCRIPTION

The present application is further described in detail below in conjunction with Figures 1-10.

The embodiment of the present application discloses an anti-interference data collector. Referring to Figures 1 and 2, the anti-interference data collector includes a shell 1, on which a display panel, a power interface, a WIFI interface, a data connection port and a GPRS output terminal are installed. A vent 11 is vertically opened on the side wall of the shell 1, and the vent 11 can dissipate heat for the shell 1. A first filter 12 is vertically arranged in the vent 11. A cleaning cavity 13 located below the first filter 12 is formed in the inner wall of the shell 1, and a second filter 14 is arranged in the cleaning cavity 13. The first filter 12 and the second filter 14 have the same structure and size, and both can close the vent 11, thereby filtering the air entering the shell 1; a first connection port 15 and a second connection port 16 connected to the vent 11 are vertically opened on the inner top surface of the cleaning cavity 13, and the first filter 13 is vertically opened. The net 12 can enter the cleaning chamber 13 through the first connecting port 15, and the second filter 14 can enter the vent 11 through the second connecting port 16. The shell 1 is provided with a driving mechanism 2 and a pushing mechanism 3, and the cleaning chamber 13 is provided with two groups of cleaning mechanisms 4, which can clean the first filter 12 and the second filter 14 respectively; when the first filter 12 is used for a long time, the driving mechanism 2 and the pushing mechanism 3 are started, and the pushing mechanism 3 drives the first filter 12 to enter the cleaning chamber 13 through the first connecting port 15, and the driving mechanism 2 drives the second filter 14 to enter the vent 11 through the second connecting port 16, and the second filter 14 can still filter the air entering the shell 1, and then the cleaning mechanism 4 is started to clean the first filter 12, thereby solving the problem of affecting the data collected by the data collector.

2 to 4, the driving mechanism 2 includes a motor 21, a driving screw 22 and a driving guide rod 23; the motor 21 is fixedly connected to the inner wall of the cleaning chamber 13, the output shaft of the motor 21 is horizontally arranged, and the output shaft of the motor 21 is fixedly connected to the first bevel gear 211; the driving screw 22 is rotatably mounted on the inner bottom surface of the cleaning chamber 13 and is vertically arranged, and the driving screw 22 is fixedly connected to the second bevel gear 221 meshing with the first bevel gear 211, and the motor 21 is started, and the motor 21 drives the first bevel gear 211 to rotate, and the first bevel gear 211 drives the second bevel gear 221 to rotate The second bevel gear 221 drives the driving screw 22 to rotate, the driving screw 22 passes through the second connecting port 16 and extends into the vent 11, the driving screw 22 is penetrated in the second filter screen 14, and is threadedly connected with the second filter screen 14, the driving screw 22 drives the second filter screen 14 to move, and the second filter screen 14 can be moved from the cleaning chamber 13 to the vent 11; the driving guide rod 23 is fixedly connected to the inner bottom surface of the cleaning chamber 13, and is vertically arranged, the driving guide rod 23 passes through the second connecting port 16 and extends into the vent 11, the driving guide rod 23 is penetrated in the second filter screen 14, and guides the second filter screen 14.

2 to 4 , the pushing mechanism 3 includes a pushing screw 31 and a pushing guide rod 32. The pushing screw 31 is rotatably mounted on the inner bottom surface of the cleaning chamber 13, and the pushing guide rod 32 is fixedly connected to the inner bottom surface of the cleaning chamber 13. The pushing screw 31 and the pushing guide rod 32 are both vertically arranged. The pushing screw 31 and the pushing guide rod 32 both extend into the vent 11 through the first connecting port 15. The pushing screw 31 and the pushing guide rod 32 are both penetrated in the first filter screen 12. The pushing screw 31 is threadedly connected to the first filter screen 12. A transmission component 5 is installed in the housing 1. During the rotation of the driving screw 22, the driving screw 22 can drive the pushing screw 31 to rotate through the transmission component 5. The pushing screw 31 drives the first filter screen 12 to move, and the first filter screen 12 can be moved from the vent 11 to the cleaning chamber 13.

4 to 7, a mounting groove 17 is provided on the inner top surface of the vent 11, and the top of the driving screw 22 and the top of the pushing screw 31 are both rotatably connected to the inner wall of the mounting groove 17. The transmission component 5 includes a first gear 51, a transmission shaft 52, a second gear 53 and a first conveyor belt 54; the first gear 51 is sleeved on the driving screw 22, and the first gear 51 is rotatably connected to the top of the second filter screen 14. A sliding groove 222 is vertically provided on the circumference of the driving screw 22, and a vertically sliding sliding block 223 is placed in the sliding groove 222. The sliding block 223 is fixedly connected to the first gear 51. During the movement of the second filter screen 14, the second filter screen 14 drives the first gear 51 to move, and at the same time, the driving screw 22 drives the first gear 51 to rotate. A smooth section is provided on the top of the driving screw 22; the transmission shaft 52 is rotatably installed on the inner top surface of the mounting groove 17, and It is vertically arranged, and the second gear 53 is fixedly connected to the transmission shaft 52. The first conveyor belt 54 is sleeved on the transmission shaft 52 and the pushing screw 31. When the second filter screen 14 moves to the smooth section on the driving screw 22, the first gear 51 engages with the second gear 53, and the second filter screen 14 is completely moved into the vent 11. At this time, the second filter screen 14 stops moving, and the first gear 51 drives the second gear 53 to rotate, and the second gear 53 drives the transmission shaft 52 to rotate, and the transmission shaft 52 drives the first conveyor belt 54 to rotate, and the first conveyor belt 54 drives the pushing screw 31 to rotate, so as to move the first filter screen 12. When the second filter screen 14 is completely moved into the vent 11, the first filter screen 12 can move, so that the air entering the shell 1 is filtered more cleanly, further solving the problem of affecting the data collected by the data collector.

4 to 7, a locking component 6 is installed in the housing 1, and the locking component 6 includes a fixing plate 61, a locking rod 62, a plug-in block 63, a pull plate 64 and a locking spring 65. The fixing plate 61 is fixedly connected to the inner wall of the mounting groove 17 and is horizontally arranged. The locking rod 62 is horizontally penetrated on the side wall of the fixing plate 61. The plug-in block 63 is fixedly connected to the top of the second filter screen 14. A locking groove 631 for inserting the locking rod 62 is provided on the side wall of the plug-in block 63. The pull plate 64 is fixedly connected to the end of the locking rod 62 away from the second filter screen 14. The locking spring 65 is fixedly connected between the pull plate 64 and the fixing plate 61. An unlocking component 7 is installed on the first filter screen 12. During the movement of the second filter screen 14, the second filter screen 14 drives the plug-in block 63 to move When the second filter 14 moves to the smooth section on the driving screw 22, the locking rod 62 is opposite to the locking groove 631. At this time, the first filter 12 moves downward, and the first filter 12 drives the unlocking component 7 to separate from the locking rod 62. The locking spring 65 drives the locking rod 62 to insert into the locking groove 631 to lock the second filter 14. When the starting motor 21 is reversed, the first filter 12 can move upward into the vent 11. When the first filter 12 completely enters the vent 11, the unlocking component 7 drives the locking rod 62 to be pulled out from the locking groove 631 to release the lock on the second filter 14. The driving screw 22 can drive the second filter 14 to move downward, thereby realizing the reciprocating coverage of the vent 11 by the first filter 12 and the second filter 14.

The unlocking component 7 comprises an unlocking rod 71 and an unlocking plate 72. The unlocking rod 71 is fixedly connected to the side wall at the top of the first filter screen 12, and the unlocking plate 72 is fixedly connected to the end of the unlocking rod 71 away from the first filter screen 12. The unlocking plate 72 is located below the pulling plate 64. A pulling inclined surface 641 is formed on the side of the bottom of the pulling plate 64 close to the fixed plate 61, and an unlocking inclined surface 721 is formed on the side of the top of the unlocking plate 72 close to the first filter screen 12. The unlocking inclined surface 721 is used in conjunction with the pulling inclined surface 641. In the process of the first filter screen 12 moving upward, the first filter screen 12 drives the unlocking rod 71 to move, and the unlocking rod 71 drives the unlocking plate 72 to move. When the unlocking inclined surface 721 contacts the pulling inclined surface 641, the unlocking plate 72 drives the pulling plate 64 to move, and the pulling plate 64 drives the locking rod 62 to be pulled out of the locking groove 631, so that the lock of the second filter screen 14 can be released.

4 to 9, taking the cleaning mechanism 4 capable of cleaning the first filter 12 as an example, the cleaning mechanism 4 includes two rotating shafts 41 and two brushes 42. The two rotating shafts 41 are rotatably mounted on the inner wall of the cleaning chamber 13 and are horizontally arranged. The two rotating shafts 41 are respectively located on both sides of the first filter 12, and the two brushes 42 are respectively fixedly connected to the rotating shafts 41. The two brushes 42 can contact the first filter 12. A connecting component 8 is installed in the cleaning chamber 13. In the process of pushing the screw 31 to rotate, the pushing screw 31 drives the two rotating shafts 41 to rotate through the connecting component 8, and the two rotating shafts 41 respectively drive the brushes 42 to rotate. The brushes 42 can clean the dust on both sides of the first filter 12, thereby cleaning the first filter 12.

4 to 9, the connecting component 8 includes a third gear 81, two connecting shafts 82, two transmission wheels 83, a plurality of teeth 84 and a plurality of torsion springs 85; the third gear 81 is fixedly connected to the pushing screw 31, and the two connecting shafts 82 are rotatably mounted on the inner bottom surface of the cleaning chamber 13 and are vertically arranged. The two connecting shafts 82 are respectively arranged corresponding to the rotating shaft 41, and a third bevel gear 821 is fixedly connected to the connecting shaft 82, and a fourth bevel gear 411 meshing with the third bevel gear 821 is fixedly connected to the rotating shaft 41; the two transmission wheels 83 are respectively fixedly connected to the connecting shaft 82, and a plurality of teeth 84 are respectively hingedly connected to the transmission wheel 83, and the hinge shaft installed in the teeth 84 is located on one side of the teeth 84, and the plurality of teeth 84 are meshed with the third gear 81, and the third gear 81 can drive the plurality of teeth 84 to rotate in one direction, and the plurality of teeth 84 can At the same time, the two transmission wheels 83 are driven to rotate in one direction, and multiple torsion springs 85 are sleeved on the hinge shaft installed in the teeth 84; in the process of the first filter screen 12 moving downward, the screw rod 31 is pushed to drive the third gear 81 to rotate, the third gear 81 drives multiple teeth 84 to rotate, and multiple teeth 84 drive the two transmission wheels 83 to rotate, and the two transmission wheels 83 respectively drive the connecting shaft 82 to rotate, and the two connecting shafts 82 respectively drive the third bevel gear 821 to rotate, the third bevel gear 821 drives the fourth bevel gear 411 to rotate, and the fourth bevel gear 411 drives the rotating shaft 41 to rotate, so that the first filter screen 12 can be cleaned. When the first filter screen 12 moves upward, the third gear 81 cannot drive the multiple teeth 84 to rotate, and the brush 42 cannot rotate, thereby reducing the occurrence of dust falling on the first filter screen 12 for cleaning again.

4 to 10, a horizontally arranged reciprocating screw 43 is rotatably installed in the cleaning chamber 13, a second conveyor belt 44 is sleeved on the reciprocating screw 43 and one of the rotating shafts 41, a horizontally arranged cleaning guide rod 45 is fixedly connected in the cleaning chamber 13, a movable plate 46 is vertically placed in the cleaning chamber 13, the reciprocating screw 43 and the cleaning guide rod 45 are both penetrated in the movable plate 46, the reciprocating screw 43 is threadedly connected to the movable plate 46, a cleaning plate 47 is slidably installed on the movable plate 46, a slide groove 461 is vertically opened on the side wall of the movable plate 46, a vertically sliding slider 462 is placed in the slide groove 461, the slider 462 is fixedly connected to the cleaning plate 47, a cleaning spring 48 is fixedly connected to the inner bottom surface of the slide groove 461, and the cleaning spring 48 is connected to the slider 4 62 is fixedly connected, and a plurality of cleaning columns 49 are fixedly connected to the cleaning plate 47, and the plurality of cleaning columns 49 are respectively arranged corresponding to the filter holes on the first filter screen 12; during the rotation of the rotating shaft 41, the rotating shaft 41 drives the second conveyor belt 44 to rotate, the second conveyor belt 44 drives the reciprocating screw 43 to rotate, the reciprocating screw 43 drives the moving plate 46 to move, the moving plate 46 drives the cleaning plate 47 to move, and the cleaning plate 47 drives the cleaning columns 49 to move, so that the cleaning columns 49 can be inserted into the filter holes on the first filter screen 12, and the filter holes on the first filter screen 12 are cleaned, so that the first filter screen 12 is cleaned more cleanly, and during the movement of the first filter screen 12, the cleaning plate 47 can move with the first filter screen 12.

The implementation principle of an anti-interference data collector in the embodiment of the present application is as follows: after the first filter screen 12 has been used for a long time, the motor 21 is started to rotate forward, the motor 21 drives the second filter screen 14 to move upward, the second filter screen 14 drives the first gear 51 to move upward, and the first gear 51 rotates at the same time. When the second filter screen 14 moves to the smooth section on the driving screw 22, the second filter screen 14 stops moving, and the second filter screen 14 is completely moved into the vent 11. The first gear 51 is meshed with the second gear 53, and the first gear 51 drives the pushing screw 31 to rotate, and the pushing screw 31 drives the first filter screen 12 to move downward, and the first filter screen 12 drives the release The locking plate 72 moves downward, and the locking spring 65 drives the locking rod 62 to be inserted into the locking groove 631 to lock the second filter 14; at the same time, the screw 31 is pushed to drive the third gear 81 to rotate, and the third gear 81 drives the multiple teeth 84 to rotate, and the multiple teeth 84 drive the two transmission wheels 83 to rotate, and the two transmission wheels 83 respectively drive the brushes 42 to rotate to clean the dust on both sides of the first filter 12, and the rotating shaft 41 drives the cleaning column 49 to clean the filter holes on the first filter 12, so that the first filter 12 is cleaned more cleanly, which solves the problem of affecting the data collected by the data collector.

When the second filter 14 has been used for a long time, the motor 21 is started to reverse. When the first filter 12 completely enters the vent 11, the locking rod 62 is pulled out of the locking groove 631 to release the lock on the second filter 14. The driving screw 22 drives the second filter 14 to move downward to clean the second filter 14.

The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims (9)

1. An anti-interference data acquisition unit which is characterized in that: the novel cleaning device comprises a shell (1), wherein a vent (11) is formed in the side wall of the shell (1), a first filter screen (12) is arranged in the vent (11), a cleaning cavity (13) positioned below the first filter screen (12) is formed in the inner wall of the shell (1), a second filter screen (14) is arranged in the cleaning cavity (13), and the first filter screen (12) and the second filter screen (14) are identical in structure and size, and can seal the vent (11); the cleaning device is characterized in that a first connecting port (15) and a second connecting port (16) are formed in the inner top surface of the cleaning cavity (13), the first filter screen (12) can enter the cleaning cavity (13) through the first connecting port (15), the second filter screen (14) can enter the ventilation opening (11) through the second connecting port (16), a driving mechanism (2) for driving the second filter screen (14) to move is mounted in the shell (1), a pushing mechanism (3) for driving the first filter screen (12) to move is mounted in the shell (1), and two groups of cleaning mechanisms (4) for cleaning the first filter screen (12) and the second filter screen (14) are mounted in the cleaning cavity (13).

2. The tamper resistant data collector of claim 1, wherein: the driving mechanism (2) comprises a motor (21) fixedly connected in the cleaning cavity (13), a driving screw (22) rotatably installed in the cleaning cavity (13) and a driving guide rod (23) fixedly connected in the cleaning cavity (13); the output shaft of motor (21) is last fixedly connected with first conical gear (211), fixedly connected with and first conical gear (211) meshed second conical gear (221) on drive screw (22), drive screw (22) and drive guide arm (23) all pass second connector (16) and extend to vent (11), drive screw (22) and drive guide arm (23) all wear to establish in second filter screen (14), drive screw (22) and second filter screen (14) threaded connection.

3. The tamper resistant data collector of claim 2, wherein: the pushing mechanism (3) comprises a pushing screw (31) which is rotatably mounted on the inner wall of the ventilation opening (11) and a pushing guide rod (32) which is fixedly connected to the inner wall of the ventilation opening (11), the pushing screw (31) and the pushing guide rod (32) all penetrate through the first connecting port (15) and extend into the cleaning cavity (13), the pushing screw (31) and the pushing guide rod (32) are all arranged in the first filter screen (12) in a penetrating mode, the pushing screw (31) is in threaded connection with the first filter screen (12), a transmission part (5) is mounted in the shell (1), and the driving screw (22) can drive the pushing screw (31) to rotate through the transmission part (5).

4. A tamper resistant data collector as recited in claim 3, wherein: the inner top surface of the ventilation opening (11) is provided with a mounting groove (17), the driving screw (22) and the pushing screw (31) are both rotationally connected with the inner wall of the mounting groove (17), the transmission part (5) comprises a first gear (51) sleeved on the driving screw (22), the first gear (51) is rotationally connected with the second filter screen (14), the peripheral surface of the driving screw (22) is provided with a sliding groove (222), a sliding block (223) is arranged in the sliding groove (222), and the sliding block (223) is fixedly connected with the first gear (51); the driving screw (22) is provided with a smooth section, a transmission shaft (52) is rotatably arranged on the inner top surface of the mounting groove (17), a second gear (53) is fixedly connected to the transmission shaft (52), when the second filter screen (14) moves to the smooth section on the driving screw (22), the first gear (51) is meshed with the second gear (53), and a first conveying belt (54) is sleeved on the transmission shaft (52) and the pushing screw (31); a locking component (6) for locking the second filter screen (14) is arranged in the shell (1).

5. The tamper resistant data collector of claim 4, wherein: the locking part (6) comprises a fixed plate (61) fixedly connected in the mounting groove (17) and a locking rod (62) penetrating through the fixed plate (61), the top of the second filter screen (14) is fixedly connected with a plug-in block (63), a locking groove (631) for the insertion of the locking rod (62) is formed in the side wall of the plug-in block (63), one end of the locking rod (62) away from the second filter screen (14) is fixedly connected with a pulling plate (64), a locking spring (65) is fixedly connected between the pulling plate (64) and the fixed plate (61), and an unlocking part (7) for pulling the locking rod (62) out of the locking groove (631) is mounted on the first filter screen (12).

6. The tamper resistant data collector of claim 5, wherein: the unlocking component (7) comprises an unlocking rod (71) fixedly connected to the first filter screen (12) and an unlocking plate (72) fixedly connected to the unlocking rod (71), the unlocking plate (72) is located below the pulling plate (64), a pulling inclined surface (641) is formed on one side, close to the fixing plate (61), of the pulling plate (64), an unlocking inclined surface (721) is formed on one side, close to the first filter screen (12), of the unlocking plate (72), and the unlocking inclined surface (721) is matched with the pulling inclined surface (641).

7. The tamper resistant data collector of claim 6, wherein: the cleaning mechanism (4) comprises two rotating shafts (41) which are rotatably arranged in a cleaning cavity (13), the two rotating shafts (41) are respectively located at two sides of a first filter screen (12), brushes (42) are fixedly connected to the two rotating shafts (41), the two brushes (42) can be in contact with the first filter screen (12), a connecting part (8) is arranged in the cleaning cavity (13), and the pushing screw (31) can drive the two rotating shafts (41) to rotate through the connecting part (8).

8. The tamper resistant data collector of claim 7, wherein: the connecting component (8) comprises a third gear (81) fixedly connected to the pushing screw (31), two connecting shafts (82) are rotatably installed in the cleaning cavity (13), the two connecting shafts (82) are respectively and correspondingly arranged with the rotating shaft (41), driving wheels (83) are fixedly connected to the connecting shafts (82), a plurality of teeth (84) are hinged to the driving wheels (83), the hinging shafts installed in the teeth (84) are located on one side of the teeth (84), the teeth (84) are meshed with the third gear (81), torsion springs (85) are sleeved on the hinging shafts installed in the teeth (84), a third conical gear (821) is fixedly connected to the connecting shafts (82), and a fourth conical gear (411) meshed with the third conical gear (821) is fixedly connected to the rotating shaft (41).

9. The tamper resistant data collector of claim 7, wherein: the cleaning device is characterized in that the cleaning cavity (13) is rotationally provided with a reciprocating screw (43), a second conveying belt (44) is sleeved on the reciprocating screw (43) and the rotating shaft (41), a cleaning guide rod (45) is fixedly connected to the cleaning cavity (13), a moving plate (46) is sleeved on the reciprocating screw (43) and the cleaning guide rod (45), the reciprocating screw (43) is in threaded connection with the moving plate (46), the moving plate (46) is slidably provided with a cleaning plate (47), a sliding groove (461) is formed in the moving plate (46), a sliding block (462) is arranged in the sliding groove (461), the sliding block (462) is fixedly connected with the cleaning plate (47), a cleaning spring (48) is fixedly connected to the inner wall of the sliding groove (461), a plurality of cleaning columns (49) are fixedly connected to the cleaning plate (47), and the cleaning columns (49) are respectively and correspondingly arranged with filtering holes in the first filtering net (12).