CN219829979U - Suspension type gas flow sensor - Google Patents
Suspension type gas flow sensor Download PDFInfo
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- CN219829979U CN219829979U CN202320875528.8U CN202320875528U CN219829979U CN 219829979 U CN219829979 U CN 219829979U CN 202320875528 U CN202320875528 U CN 202320875528U CN 219829979 U CN219829979 U CN 219829979U
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- air guide
- guide sleeve
- dust
- flow sensor
- gas flow
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- 239000000725 suspension Substances 0.000 title abstract description 7
- 239000000428 dust Substances 0.000 claims abstract description 85
- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 238000004140 cleaning Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 9
- 239000012535 impurity Substances 0.000 abstract description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 10
- 238000005070 sampling Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 229910052697 platinum Inorganic materials 0.000 description 5
- 230000010405 clearance mechanism Effects 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 241000883990 Flabellum Species 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a suspension type gas flow sensor, which belongs to the technical field of flow sensors and comprises a guide cover, wherein an indicator lamp is connected below the guide cover; according to the utility model, the dustproof assembly is arranged, the connecting block on the connecting frame is aligned with the connecting block on the fixing frame, then the dustproof cover is moved towards the air guide cover, the connecting frame is driven to move by the movement of the dustproof cover, the connecting frame is driven to move by the movement of the connecting frame, after the threaded column on the connecting block on the side wall of the fixing frame passes through the connecting block on the side wall of the connecting frame, the dustproof cover is stopped from moving, the nut is rotated and screwed onto the threaded column, and is attached to the side wall of the connecting block on the side wall of the connecting frame, and the two connecting blocks can be limited and fixed under the cooperation of the nut and the threaded column, so that the dustproof cover can be limited and fixed on the air guide cover, and impurities such as dust in the external environment can be prevented from falling onto the power-on mechanism under the effect of the dustproof cover, and the subsequent operation effect of the power-on mechanism is influenced.
Description
Technical Field
The utility model belongs to the technical field of flow sensors, and particularly relates to a suspension type gas flow sensor.
Background
The air flow sensor is a sensor that measures the air flow rate drawn into the engine. In order to obtain the optimal concentration of the mixed gas under various operating conditions, the electronic control gasoline injection starting flow sensor machine must accurately measure the air quantity sucked into the engine at each moment, and takes the air quantity as the main basis for the ECU to calculate (control) the fuel injection quantity.
Chinese patent application No. 202221008499.7 discloses a suspended gas flow sensor comprising: the intelligent sensor comprises a guide cover, an empty filter plate, a protection plate, platinum heating wires and a temperature compensation resistor, wherein a sampling tube is arranged in the guide cover, the platinum heating wires are arranged in the sampling tube, the temperature compensation resistor is arranged at the port of the sampling tube, a fan blade drives a rotating rod to rotate, the rotating rod rotates to respectively realize the rotation of a first rotating cap and a second rotating cap, dust on the surface of the empty filter plate is cleaned under the cooperation of the first scraper and the second scraper, the dust is prevented from being adsorbed, the air permeability of the empty filter plate is ensured, the data acquisition is ensured to be accurate, the service life of the sensor is prolonged, the better maintenance effect can be achieved, whether the air is fed or not is judged through the flashing state of an indicator lamp, the data comparison is transmitted according to a mounting box, the sensor sensing operation is illustrated when the mounting box is provided, whether the sensor normally operates is judged, and the sensor is damaged when no air current exists.
In the above patent, the contact between the electrode ball and the electrode seat is utilized to electrify the indicator lamp, so that a worker can conveniently judge whether the air inlet exists in the guide cover by utilizing the indicator lamp, but the electrode ball and the electrode seat are directly exposed, and sundries such as dust in the external environment fall on the electrode seat and the electrode ball, so that the contact effect of the electrode ball and the electrode seat is easily affected, and the normal operation of the indicator lamp is further affected; in addition, utilize the scraper blade to strike off the dust of empty filter plate both sides, but the dust of the inboard empty filter plate of scraper blade striking off directly falls inside the kuppe, and then adheres to the inside air current flow data acquisition mechanism of kuppe, influences the work effect of air current flow data acquisition mechanism.
Disclosure of Invention
To solve the problems set forth in the background art. The utility model provides a suspension type gas flow sensor which has the characteristics of dust prevention and dust collection.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a suspension type gas flow sensor, includes the kuppe, the below of kuppe is connected with the pilot lamp, and the inside of kuppe is provided with air current flow data acquisition mechanism, and the one end of kuppe is connected with empty filter plate, and the inside of kuppe just is located the both sides of empty filter plate and all is provided with clearance mechanism, and the top of kuppe is provided with the circular telegram mechanism, and the periphery of circular telegram mechanism is provided with dustproof subassembly, and the top of kuppe just is close to clearance mechanism's position department and is provided with dust absorption subassembly.
Preferably, the dustproof assembly comprises a dustproof cover, a fixing frame and a connecting frame, wherein the dustproof cover is arranged above the air guide sleeve and positioned at the periphery of the power-on mechanism, one end, close to the air guide sleeve, of the dustproof cover is connected with the connecting frame, and the fixing frame is connected above the air guide sleeve and positioned in the connecting frame.
Preferably, the dustproof assembly further comprises a connecting block, nuts and threaded columns, the connecting blocks are connected to the side walls of the fixing frame and the connecting frame, the threaded columns are connected to the upper portion of one connecting block, through holes are formed in the other connecting block and correspond to the positions of the threaded columns, and the nuts are connected to the outer side walls of the threaded columns in a threaded mode.
Preferably, the dust collection assembly comprises a dust collector, a mounting disc, a connecting pipe and a dust collection pipe, wherein the mounting disc is connected to the upper portion of the air guide sleeve, the dust collector is arranged in the mounting disc, one end of the dust collector is connected with the dust collection pipe, and the connecting pipe is connected to the side wall of the air guide sleeve and corresponds to the position of the dust collection pipe.
Preferably, one end of the dust collection pipe and one end of the connecting pipe, which are close to each other, are connected with connecting flanges, and the two connecting flanges are connected through bolts.
Preferably, a threaded hole is formed in the side wall of the mounting plate, an abutting screw rod is connected with the inner threads of the threaded hole, and a rubber pad is connected to one end, close to the dust collector, of the abutting screw rod.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the dustproof assembly is arranged, the connecting block on the connecting frame is aligned with the connecting block on the fixing frame, then the dustproof cover is moved towards the air guide cover, the connecting frame is driven to move by the movement of the dustproof cover, the connecting frame is driven to move by the movement of the connecting frame, after the threaded column on the connecting block on the side wall of the fixing frame passes through the connecting block on the side wall of the connecting frame, the dustproof cover is stopped from moving, the nut is rotated and screwed onto the threaded column, and is attached to the side wall of the connecting block on the side wall of the connecting frame, and the two connecting blocks can be limited and fixed under the cooperation of the nut and the threaded column, so that the dustproof cover can be limited and fixed on the air guide cover, and impurities such as dust in the external environment can be prevented from falling onto the power-on mechanism under the effect of the dustproof cover, and the subsequent operation effect of the power-on mechanism is influenced.
2. After the dust collection assembly is used, the dust collector on the mounting plate is started, and under the action of the dust collector, dust remained in the guide cover after the cleaning mechanism cleans the inner side wall of the empty filter plate enters the dust collection pipe through the connecting pipe and then enters the dust barrel on the dust collector to be collected, so that the phenomenon that the residual dust in the guide cover is adhered to the airflow data acquisition mechanism and the accuracy of the follow-up acquisition data of the airflow data acquisition mechanism is influenced is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is an enlarged view of the utility model at A in FIG. 2;
FIG. 4 is a partial cross-sectional view of the connection of two connection blocks of the present utility model;
fig. 5 is an enlarged view of the present utility model at B in fig. 2.
In the figure: 1. a dust-proof assembly; 11. a dust cover; 12. a fixed frame; 13. a connecting block; 14. a connection frame; 15. a nut; 16. a threaded column; 2. an empty filter plate; 3. a cleaning mechanism; 4. an indicator light; 5. a guide cover; 6. an energizing mechanism; 7. the airflow flow data acquisition mechanism; 8. a dust collection assembly; 81. a dust collector; 82. a mounting plate; 83. a connecting pipe; 84. a connecting flange; 85. a dust collection pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-5, the present utility model provides the following technical solutions: the utility model provides a suspension type gas flow sensor, including kuppe 5, the below of kuppe 5 is connected with pilot lamp 4, and the inside of kuppe 5 is provided with air current flow data acquisition mechanism 7, and the one end of kuppe 5 is connected with empty filter plate 2, and the inside of kuppe 5 just is located the both sides of empty filter plate 2 and all is provided with clearance mechanism 3, and the top of kuppe 5 is provided with circular telegram mechanism 6, and circular telegram mechanism 6's periphery is provided with dustproof subassembly 1, and the top of kuppe 5 just is close to the position department of clearance mechanism 3 and is provided with dust collection subassembly 8.
Specifically, the dustproof component 1 comprises a dustproof cover 11, a fixed frame 12 and a connecting frame 14, the dustproof cover 11 is arranged above the air guide sleeve 5 and positioned at the periphery of the power-on mechanism 6, one end of the dustproof cover 11, which is close to the air guide sleeve 5, is connected with the connecting frame 14, the fixed frame 12 is connected with the inside of the connecting frame 14 above the air guide sleeve 5,
by adopting the technical scheme, the impurities such as dust in the external environment are prevented from falling onto the energizing mechanism 6, and the normal operation of the energizing mechanism 6 is influenced.
Specifically, the dustproof assembly 1 further comprises a connecting block 13, a nut 15 and a threaded column 16, the side walls of the fixed frame 12 and the connecting frame 14 are respectively connected with the connecting block 13, the threaded column 16 is connected above one connecting block 13, a through hole is arranged on the other connecting block 13 and at the position corresponding to the threaded column 16, the nut 15 is connected on the outer side wall of the threaded column 16,
through adopting above-mentioned technical scheme, can dismantle dust cover 11 be connected to kuppe 5, be convenient for follow-up clear up the operation to dust cover 11.
When the embodiment is used, the connecting block 13 on the connecting frame 14 is aligned with the connecting block 13 on the fixed frame 12, then the dust cover 11 is moved towards the flow guiding cover 5, the dust cover 11 is moved to drive the connecting frame 14 to move, the connecting frame 14 is moved to drive the connecting block 13 to move, when the threaded column 16 on the connecting block 13 on the side wall of the fixed frame 12 passes through the connecting block 13 on the side wall of the connecting frame 14, the dust cover 11 is stopped to move, the nut 15 is screwed onto the threaded column 16 and is attached to the side wall of the connecting block 13 on the side wall of the connecting frame 14, the two connecting blocks 13 can be limited and fixed under the cooperation of the nut 15 and the threaded column 16, so that the dust cover 11 can be limited and fixed on the flow guiding cover 5, dust and other impurities in the external environment can be prevented from falling onto the power-on mechanism 6 under the action of the dust cover 11, when the device is used, air flow enters the inside of the air guide cover 5 through the air filter plate 2, the cleaning mechanism 3 is driven to clean the two side walls of the air filter plate 2 in the air flow entering process, the air permeability of the air filter plate 2 is ensured, the air flow data acquisition mechanism 7 arranged in the air guide cover 5 can cooperate to acquire air flow data, when the air flow enters, the operation of the power-on mechanism 6 is driven, the power-on of the indicator lamp 4 is realized, the indicator lamp 4 shines after power-on, the device is convenient for a worker to judge whether air is fed, whether the suspended air flow sensor is damaged or not is judged according to whether the detection data appear on the air flow data acquisition mechanism 7, when the detection data appear on the air flow data acquisition mechanism 7, the suspended air flow sensor is indicated to perform detection operation, and determining the gas flow according to the data on the gas flow data acquisition mechanism 7;
example 2
This embodiment differs from embodiment 1 in that: the dust collection assembly 8 comprises a dust collector 81, a mounting plate 82, a connecting pipe 83 and a dust collection pipe 85, the mounting plate 82 is connected above the air guide sleeve 5, the dust collector 81 is arranged in the mounting plate 82, one end of the dust collector 81 is connected with the dust collection pipe 85, the connecting pipe 83 is connected on the side wall of the air guide sleeve 5 and at the position corresponding to the dust collection pipe 85,
specifically, one end of the dust suction pipe 85 and the connecting pipe 83, which are close to each other, is connected with a connecting flange 84, the two connecting flanges 84 are connected by bolts,
through adopting above-mentioned technical scheme, can be with dust absorption pipe 85 detachable connection to connecting pipe 83, the staff of being convenient for carries out dismouting operation.
Specifically, a threaded hole is arranged on the side wall of the mounting plate 82, a tight supporting screw is connected with the internal thread of the threaded hole, a rubber pad is connected with one end of the tight supporting screw close to the dust collector 81,
through adopting above-mentioned technical scheme, can be with the spacing fixed inside mounting disc 82 of dust catcher 81, be convenient for follow-up maintenance operation to dust catcher 81.
When the embodiment is used, after the use is completed, the dust collector 81 on the mounting plate 82 is started, under the action of the dust collector 81, dust remained in the air guide cover 5 after the cleaning mechanism 3 cleans the inner side wall of the empty filter plate 2 enters the dust collection pipe 85 through the connecting pipe 83, and then enters a dust barrel (not shown in the figure) on the dust collector 81 to be collected, so that the residual dust inside the air guide cover 5 is prevented from adhering to the airflow data acquisition mechanism 7, and the accuracy of the follow-up acquisition data of the airflow data acquisition mechanism 7 is affected.
The utility model discloses a structure and a principle of a cleaning mechanism 3 consisting of a fan blade, a first scraping plate, a first rotating cap, a rotating rod, a second rotating cap and a second scraping plate in a suspended gas flow sensor disclosed in China patent application No. 202221008499.7, wherein the working principle is as follows: the rotary rod is installed through the bearing cooperation in the central line position of empty filter plate 2, the second rotary cap is installed to the one end of rotary rod, the circumference of second rotary cap is fixed with the second scraper blade, the first rotary cap is equipped with to the middle part cover of rotary rod, install first scraper blade on the circumference of first rotary cap, the other end of rotary rod is fixed with the flabellum, first scraper blade and second scraper blade set up respectively in the both sides of empty filter plate 2, and first scraper blade and second scraper blade are tangent with the side of empty filter plate 2 respectively, when admitting air, the air current gets into through empty filter plate 2, apply force to the flabellum, the flabellum drives the rotary rod rotation, realize the rotation of first rotary cap and second rotary cap respectively after the rotary rod is rotatory, realize the clearance of empty filter plate 2 surface dust under the cooperation of first scraper blade and second scraper blade, avoid the absorption of dust, guarantee the gas permeability of empty filter plate 2.
The structure and principle of the energizing mechanism 6 consisting of the swinging hole, the swinging shaft, the spring, the wind shield, the swinging rod, the first electrode ball and the electrode seat are disclosed in a suspended gas flow sensor disclosed in China patent application No. 202221008499.7, and the working principle is as follows: the guide cover 5 is provided with a swinging hole, the inside of the swinging hole is provided with a swinging shaft through bearing matching, two ends of the swinging shaft are sleeved with a spring, a swinging rod is fixed on the swinging shaft, the bottom of the swinging rod is fixedly provided with a wind deflector, the top of the swinging rod is fixedly provided with a first electrode ball, the outer side of the guide cover 5 is fixedly provided with an electrode seat, the guide cover 5 is provided with an indicator lamp 4, the first electrode ball, the electrode seat and the commercial power are connected through wires, when air current enters, the wind deflector is pushed, swinging of the swinging rod is realized under the cooperation of the swinging shaft, and after the swinging rod swings, the first electrode ball is contacted with the electrode seat on the guide cover 5, so that the electrifying operation of the indicator lamp 4 is realized.
The structure and principle of the air flow data acquisition mechanism 7 consisting of the sampling tube, the platinum heating wire, the temperature compensation resistor, the mounting box, the control circuit board and the connector are disclosed in a suspended type air flow sensor disclosed in China patent application No. 202221008499.7, and the working principle is as follows: the internally mounted of kuppe 5 has the sampling tube, the internally mounted of sampling tube has platinum hot wire, the port department of sampling tube is provided with temperature compensation resistance, the bottom of kuppe 5 is fixed with the mounting box, the internally mounted of mounting box has control circuit board, install the connector on the lateral wall of mounting box, during operation, be provided with platinum hot wire and temperature compensation resistance on the sampling tube, can cooperate to realize the collection to air current flow data, under the effect of control circuit board and connector, with the data transmission of gathering to the mounting box on, and show the detection data on the mounting box.
The cleaner 81 of the present utility model is a conventional art, and is selected from the model FVC-1561Li.
The working principle and the using flow of the utility model are as follows: the utility model aligns the connecting block 13 on the connecting frame 14 with the connecting block 13 on the fixed frame 12, then moves the dust cover 11 towards the flow guide cover 5, the dust cover 11 moves to drive the connecting frame 14 to move, the connecting frame 14 moves to drive the connecting block 13 to move, when the threaded column 16 on the connecting block 13 on the side wall of the fixed frame 12 passes through the connecting block 13 on the side wall of the connecting frame 14, the moving of the dust cover 11 is stopped, the nut 15 is screwed onto the threaded column 16 and is attached to the side wall of the connecting block 13 on the side wall of the connecting frame 14, under the cooperation of the nut 15 and the threaded column 16, the two connecting blocks 13 can be limited and fixed, so that the dust cover 11 can be limited and fixed on the flow guide cover 5, under the action of the dust cover 11, dust and other impurities in the external environment can be prevented from falling onto the power-on mechanism 6, the subsequent operation effect of the power-on mechanism 6 is influenced, and when in use, the air flow enters the air guide cover 5 through the air filter plate 2, the cleaning mechanism 3 is driven to clean the two side walls of the air filter plate 2 in the air flow entering process, the air permeability of the air filter plate 2 is ensured, the air flow data acquisition mechanism 7 arranged in the air guide cover 5 can cooperate to acquire air flow data, the energizing mechanism 6 is driven to operate when the air flow enters, the energizing of the indicator lamp 4 is realized, the indicator lamp 4 is shiny after energizing, the air inlet is conveniently judged by staff, whether the suspended air flow sensor is damaged is judged according to whether the detection data appear on the air flow data acquisition mechanism 7, when the detection data appear on the air flow data acquisition mechanism 7, the suspended air flow sensor is proved to be in detection operation, the air flow is determined according to the data on the air flow data acquisition mechanism 7, after the use is finished, the dust collector 81 on the mounting plate 82 is started, under the action of the dust collector 81, dust remained in the air guide sleeve 5 after the cleaning mechanism 3 cleans the inner side wall of the empty filter plate 2 enters the dust collection pipe 85 through the connecting pipe 83, and then enters a dust barrel (not shown in the figure) on the dust collector 81 to be collected, so that the phenomenon that residual dust inside the air guide sleeve 5 adheres to the airflow data acquisition mechanism 7 is avoided, and the accuracy of the follow-up acquisition data of the airflow data acquisition mechanism 7 is affected.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A suspended gas flow sensor, includes kuppe, its characterized in that: an indicator light is connected below the air guide sleeve, an airflow data acquisition mechanism is arranged inside the air guide sleeve, one end of the air guide sleeve is connected with an empty filter plate, cleaning mechanisms are arranged inside the air guide sleeve and at two sides of the empty filter plate, an electrifying mechanism is arranged above the air guide sleeve, a dustproof component is arranged on the periphery of the electrifying mechanism, and a dust collection component is arranged above the air guide sleeve and close to the cleaning mechanism.
2. A suspended gas flow sensor according to claim 1, characterized in that: the dustproof assembly comprises a dustproof cover, a fixing frame and a connecting frame, wherein the dustproof cover is arranged above the air guide sleeve and located on the periphery of the energizing mechanism, one end, close to the air guide sleeve, of the dustproof cover is connected with the connecting frame, and the fixing frame is connected above the air guide sleeve and located in the connecting frame.
3. A suspended gas flow sensor according to claim 1, characterized in that: the dustproof assembly further comprises a connecting block, nuts and threaded columns, the connecting blocks are connected to the side walls of the fixing frame and the connecting frame, the threaded columns are connected to the upper portion of one connecting block, through holes are formed in the other connecting block and correspond to the positions of the threaded columns, and the nuts are connected to the outer side walls of the threaded columns in a threaded mode.
4. A suspended gas flow sensor according to claim 1, characterized in that: the dust collection assembly comprises a dust collector, a mounting disc, a connecting pipe and a dust collection pipe, wherein the mounting disc is connected to the upper portion of the air guide sleeve, the dust collector is arranged in the mounting disc, one end of the dust collector is connected with the dust collection pipe, and the connecting pipe is connected to the side wall of the air guide sleeve and corresponds to the position of the dust collection pipe.
5. A suspended gas flow sensor as set forth in claim 4, wherein: one end of the dust collection pipe and one end of the connecting pipe, which are close to each other, are connected with connecting flanges, and the two connecting flanges are connected through bolts.
6. A suspended gas flow sensor as set forth in claim 4, wherein: the side wall of the mounting plate is provided with a threaded hole, the internal thread of the threaded hole is connected with a tight supporting screw, and one end of the tight supporting screw, which is close to the dust collector, is connected with a rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320875528.8U CN219829979U (en) | 2023-04-19 | 2023-04-19 | Suspension type gas flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320875528.8U CN219829979U (en) | 2023-04-19 | 2023-04-19 | Suspension type gas flow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219829979U true CN219829979U (en) | 2023-10-13 |
Family
ID=88276182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320875528.8U Active CN219829979U (en) | 2023-04-19 | 2023-04-19 | Suspension type gas flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219829979U (en) |
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2023
- 2023-04-19 CN CN202320875528.8U patent/CN219829979U/en active Active
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