CN214663192U - A measurement end clamping system for ultrasonic wave oil consumption appearance - Google Patents
A measurement end clamping system for ultrasonic wave oil consumption appearance Download PDFInfo
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- CN214663192U CN214663192U CN202120714806.2U CN202120714806U CN214663192U CN 214663192 U CN214663192 U CN 214663192U CN 202120714806 U CN202120714806 U CN 202120714806U CN 214663192 U CN214663192 U CN 214663192U
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- support plate
- ultrasonic transducer
- ultrasonic
- left support
- clamping mechanism
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Abstract
A measurement end clamping system for an ultrasonic oil consumption meter belongs to the field of flow measurement. When the ultrasonic time difference method is used for measuring the fuel flow, the technical defects of lack of installation and use exist in the measuring end. In the utility model, one clamping mechanism is used for installing the ultrasonic transducer A (1) and the ultrasonic transducer B (2) on the main oil way (3) and the included angle between the connecting line of the positions and the central axis of the main oil way is 60 degrees; the left support plate (4) and the right support plate (5) of the clamping mechanism are connected through a bolt (7), and the left support plate (4) and the right support plate (5) are connected through a group of positioning pins (9); an ultrasonic transducer A (1) is arranged on a left support plate (4) of the clamping mechanism, and an ultrasonic transducer B (2) is arranged on a right support plate (5); the ultrasonic transducers C and D are mounted in the same manner as above. The utility model discloses simple structure, the installation is dismantled conveniently, and the supplementary ultrasonic wave time difference method that utilizes carries out fuel flow measurement's accuracy.
Description
Technical Field
The utility model relates to a measurement end clamping system for ultrasonic wave oil consumption appearance.
Background
The evaluation of fuel economy of automobiles by the automobile industry is generally determined by measuring the fuel consumption of the engine, which is often measured by a fuel consumption meter. By using the fuel consumption meter to detect the change of the fuel consumption of the automobile in use, the technical conditions of a fuel system, an engine and the whole automobile can be diagnosed, the fuel economy of the automobile can be accurately detected, the use cost of the automobile can be reduced, the petroleum resource can be saved, and the purpose of saving energy can be achieved.
The existing automobile oil consumption detection methods by a direct measurement method and an indirect measurement method have the problems of safety, inconvenience in installation, time required by measurement and the like.
In order to solve the problems, the inventor designs a fuel consumption meter for measuring and calculating the fuel flow by using an ultrasonic time difference method, but the fuel consumption meter also has technical defects in installation and use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical defect that the measuring end lacks installation, use when utilizing the ultrasonic wave time difference method to carry out fuel flow measurement, and providing a measurement end clamping system for ultrasonic oil consumption appearance.
A measuring end clamping system for an ultrasonic oil consumption meter comprises 2 clamping mechanisms,
the ultrasonic oil consumption meter comprises 1 clamping mechanism, a main oil way, an ultrasonic transducer A, an ultrasonic transducer B, a main oil way and a main oil way, wherein the ultrasonic transducer A and the ultrasonic transducer B of the ultrasonic oil consumption meter are arranged on the main oil way by the 1 clamping mechanism;
the other 1 clamping mechanism is used for installing an ultrasonic transducer C and an ultrasonic transducer D of the ultrasonic oil consumption meter on the oil return path, the ultrasonic transducer C and the ultrasonic transducer D on the clamping mechanism are installed on two sides of the oil return path, and the installation positions of the ultrasonic transducer C and the ultrasonic transducer D are located on the same horizontal plane;
wherein each clamping mechanism comprises a left support plate, a right support plate, an accommodating box, a bolt, a nut and a positioning pin,
the outer side surfaces of the left support plate and the right support plate are respectively provided with a containing box;
the left support plate is L-shaped, the tail end of a short plate of the left support plate is connected to the inner side surface of the right support plate, the left support plate and the right support plate (5) are connected through a bolt, and a nut is screwed at the tail end of the bolt;
the left support plate and the right support plate are connected through a group of positioning pins;
an ultrasonic transducer A is arranged in an accommodating box on a left support plate of one clamping mechanism, one end of the ultrasonic transducer A is arranged on a main oil path, an ultrasonic transducer B is arranged in an accommodating box on a right support plate, and one end of the ultrasonic transducer B is arranged on the main oil path;
the mode of installing the ultrasonic energy transducer C and the ultrasonic energy transducer D of the ultrasonic oil consumption instrument on the other clamping mechanism is the same as that of installing the ultrasonic oil consumption instrument on the other clamping mechanism.
And the included angle between the connecting line of the mounting positions of the ultrasonic transducer A and the ultrasonic transducer B on the main oil way and the central axis of the main oil way is 60 degrees.
The included angle between the connecting line of the installation positions of the ultrasonic transducer C and the ultrasonic transducer D on the oil return path and the central axis of the oil return path is 60 DEG
After the bolt is sleeved with the gasket, the bolt is arranged on the left support plate.
The clamping system further comprises a cover plate, a group of insert rods are arranged on the periphery of one side face of the cover plate, and hard ball heads are arranged at the tail ends of the insert rods;
the top parts of the left support plate and the right support plate are respectively provided with a group of mounting blocks, the top parts of the mounting blocks are provided with insertion holes, the bottom parts of the insertion holes are provided with accommodating cavities, and the sizes of the accommodating cavities are matched with those of the hard ball heads;
the number and the positions of the inserting rods correspond to those of the inserting holes on the left support plate and the right support plate.
The utility model has the advantages that:
the utility model is designed to connect the left support plate and the right support plate through the bolt and fix the left support plate and the right support plate through the nut, thereby ensuring that a firm integral structure is formed between the left support plate and the right support plate, and stably fixing the whole device on a main oil path or an oil return path; and still set up a set of locating pin between left branch board and right branch board, guarantee the distance between left branch board and the right branch board to further guarantee the installation stability on the main oil circuit.
The utility model relates to an utilize clamping mechanism to fix ultrasonic transducer A and ultrasonic transducer B in main oil way both sides, ultrasonic transducer A and ultrasonic transducer B are 60 at main oil way on the line of mounted position and the contained angle between the main oil way axis, and ultrasonic transducer A and ultrasonic transducer B's mounted position is located same horizontal plane to guarantee flow measurement's accuracy.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention in fig. 1;
fig. 3 is a schematic structural diagram of a third embodiment of the present invention;
fig. 4 is a schematic diagram of a propagation velocity difference method according to the present invention;
fig. 5 is a control schematic diagram of switching of the ultrasonic transducer according to the present invention.
Detailed Description
The first embodiment is as follows:
as shown in fig. 1 and 2, the measuring end clamping system for the ultrasonic fuel consumption meter of the present embodiment includes 2 clamping mechanisms,
the oil consumption meter comprises a main oil way 3, wherein 1 clamping mechanism is used for installing an ultrasonic transducer A (numbered as 1 in the figure) and an ultrasonic transducer B (numbered as 2 in the figure) of the oil consumption meter on the main oil way 3, the ultrasonic transducer A (numbered as 1 in the figure) and the ultrasonic transducer B (numbered as 2 in the figure) on the clamping mechanism are installed on two sides of the main oil way 3, and the installation positions of the ultrasonic transducer A (numbered as 1 in the figure) and the ultrasonic transducer B (numbered as 2 in the figure) are positioned on the same horizontal plane;
the other 1 clamping mechanism is used for installing an ultrasonic transducer C and an ultrasonic transducer D of the ultrasonic oil consumption meter on the oil return path, the ultrasonic transducer C and the ultrasonic transducer D on the clamping mechanism are installed on two sides of the oil return path, and the installation positions of the ultrasonic transducer C and the ultrasonic transducer D are located on the same horizontal plane;
wherein each clamping mechanism comprises a left support plate 4, a right support plate 5, an accommodating box 6, a bolt 7, a nut 8 and a positioning pin 9,
the outer side surfaces of the left support plate 4 and the right support plate 5 are respectively provided with an accommodating box 6;
the left support plate 4 is L-shaped, the tail end of a short plate of the left support plate 4 is connected to the inner side surface of the right support plate 5, the left support plate 4 and the right support plate 5 are connected through a bolt 7, and the tail end of the bolt is screwed with a nut 8;
the left support plate 4 and the right support plate 5 are also connected through a group of positioning pins 9 to ensure the distance between the left support plate 4 and the right support plate 5, so that the installation stability on the main oil path 3 is ensured, and the lateral deviation is avoided during installation;
an ultrasonic transducer A (numbered as 1 in the figure) is arranged in an accommodating box 6 on a left support plate 4 of one of the clamping mechanisms, one end of the ultrasonic transducer A (numbered as 1 in the figure) is arranged on a main oil way 3, an ultrasonic transducer B (numbered as 2 in the figure) is arranged in an accommodating box 6 on a right support plate 5, and one end of the ultrasonic transducer B (numbered as 2 in the figure) is arranged on the main oil way 3;
the mode of installing the ultrasonic energy transducer C and the ultrasonic energy transducer D of the ultrasonic oil consumption instrument on the other clamping mechanism is the same as that of installing the ultrasonic oil consumption instrument on the other clamping mechanism.
And the included angle between the connecting line of the installation positions of the ultrasonic transducer A (numbered as 1 in the figure) and the ultrasonic transducer B (numbered as 2 in the figure) on the main oil way 3 and the central axis of the main oil way 3 is 60 degrees.
And the included angle between the connecting line of the mounting positions of the ultrasonic transducer C and the ultrasonic transducer D on the oil return path and the central axis of the oil return path is 60 degrees.
After the bolt 7 is sleeved with the gasket, the gasket is arranged on the left support plate 4, so that the whole clamping mechanism can be clamped on an oil way.
As shown in fig. 3, the clamping system further includes a cover plate 10, a set of insertion rods 11 is arranged around one side surface of the cover plate 10, and the tail ends of the insertion rods 11 are provided with hard bulbs 12;
the top parts of the left support plate 4 and the right support plate 5 are respectively provided with a group of mounting blocks 13, the top parts of the mounting blocks 13 are provided with insertion holes 14, the bottom parts of the insertion holes are provided with accommodating cavities, and the sizes of the accommodating cavities are matched with the hard ball heads 12;
the number and the positions of the inserting rods 11 correspond to those of the inserting holes 14 on the left support plate 4 and the right support plate 5, and the left support plate 4 and the right support plate 5 are fixedly connected through the cover plate 10, so that the mounting strength of the clamping mechanism on the main oil path 3 or the oil return path is improved; the cover plate 10 and the left support plate 4 and the right support plate 5 are convenient to mount and dismount, and the mounting method is that the hard ball 12 on the cover plate 10 is aligned to the corresponding jack 14 and pressed; the method for detaching the left support plate 4 and the right support plate 5 is to directly apply force for detaching the left support plate 4 and the right support plate 5 to the cover plate 10, so that the inserted rod 11 and the hard ball head 12 are pulled out from the insertion hole 14 and the accommodating cavity.
The mounting block 13 is made of rubber, so that the inserted link 11 and the hard ball head 12 can be inserted into the insertion hole 14 and the accommodating cavity to form interference fit, and the mounting and the dismounting are convenient.
The working principle is as follows:
an ultrasonic transducer A (numbered as 1 in the figure) and an ultrasonic transducer B (numbered as 2 in the figure) of the ultrasonic oil consumption meter are installed on a main oil way 3 through a clamping mechanism, the ultrasonic transducer A (numbered as 1 in the figure) and the ultrasonic transducer B (numbered as 2 in the figure) on the clamping mechanism are installed on two sides of the main oil way 3, an included angle between a connecting line of installation positions of the ultrasonic transducer A (numbered as 1 in the figure) and the ultrasonic transducer B (numbered as 2 in the figure) on the main oil way 3 and a central axis of the main oil way 3 is 60 degrees, and the installation positions of the ultrasonic transducer A (numbered as 1 in the figure) and the ultrasonic transducer B (numbered as 2 in the figure) are located on the same horizontal plane;
the other 1 clamping mechanism is used for installing an ultrasonic transducer C and an ultrasonic transducer D of the ultrasonic oil consumption meter on the oil return path, the ultrasonic transducer C and the ultrasonic transducer D on the clamping mechanism are installed on two sides of the oil return path, an included angle between a connecting line of installation positions of an ultrasonic transducer A (numbered as 1 in the figure) and an ultrasonic transducer B (numbered as 2 in the figure) on the main oil path 3 and a central axis of the main oil path 3 is 60 degrees, and the installation positions of the ultrasonic transducer C and the ultrasonic transducer D are located on the same horizontal plane;
taking the working principle of the ultrasonic transducer a and the ultrasonic transducer B as an example, as shown in fig. 4, the following are provided: the speed of ultrasonic waves in static fluid is C, the speed of the fluid is v, the inner diameter of the pipe is D, and the emission angle is theta; the utility model discloses an ultrasonic wave oil consumption appearance that is used for measurement end clamping system of ultrasonic wave oil consumption appearance is the liquid that is used for not containing impurity, adopts the time difference method to measure. The time difference of ultrasonic wave propagating in the fluid is used for measurement, and the propagation time difference is obtained by a control method according to forward flow/backward flow ultrasonic wave transmitting time and time difference formulas 1-3. And hence the propagation velocity within deltat.
The propagation time for transmitting the ultrasonic pulse in the downstream direction is as follows:
the propagation time of the ultrasonic pulse emitted in the countercurrent direction is as follows:
the propagation time difference is:
then, the flow rate is obtained by the formula (4),
then the flow rate is calculated by using the formula 5 (flow rate formula),
the utility model discloses an among the measurement principle, do not contain sound velocity C in the measurement velocity of flow formula, improve system measurement accuracy. In order to reduce the cost, two ultrasonic transducers are adopted, the switching control principle of the two ultrasonic transducers is shown in fig. 5, the two ultrasonic transducers are arranged outside an oil path, when the two ultrasonic transducers are transmitted in a downstream mode, the ultrasonic transducer A transmits ultrasonic waves, and the ultrasonic transducer B receives ultrasonic signals carrying flow speed information; when the reverse stream is broadcast, the ultrasonic transducer B transmits, the ultrasonic transducer A receives, the two ultrasonic transducers alternately transmit and receive ultrasonic signals, the two ultrasonic transducers are installed by adopting a Z method, the two ultrasonic transducers transmit and receive repeatedly, and the control circuit is used for switching the transmitting and receiving of the ultrasonic transducers, so that the transmitting and receiving multiplexing of the ultrasonic transducers A, B can be switched.
In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of describing the present invention, but do not require the present invention to be constructed or operated in a specific orientation, and therefore, cannot be construed as limiting the present invention. The terms "connected" and "connected" in the present invention are to be understood in a broad sense, and may be connected or detachably connected, for example; the terms may be directly connected or indirectly connected through intermediate components, and specific meanings of the terms may be understood as specific conditions by those skilled in the art.
The foregoing is a preferred embodiment of the present invention, and the description of the specific embodiments is only for better understanding of the idea of the present invention. To those skilled in the art, many modifications and equivalents may be made in accordance with the principles of the present invention and are deemed to fall within the scope of the invention.
Claims (5)
1. The utility model provides a measurement end clamping system for ultrasonic wave oil consumption appearance which characterized by: the measuring end clamping system comprises 2 clamping mechanisms,
the ultrasonic oil consumption meter comprises 1 clamping mechanism, a main oil way (3), an ultrasonic transducer A (1) and an ultrasonic transducer B (2), wherein the ultrasonic transducer A (1) and the ultrasonic transducer B (2) of the ultrasonic oil consumption meter are arranged on the main oil way (3), the ultrasonic transducer A (1) and the ultrasonic transducer B (2) on the clamping mechanism are arranged on two sides of the main oil way (3), and the mounting positions of the ultrasonic transducer A (1) and the ultrasonic transducer B (2) are located on the same horizontal plane;
the other 1 clamping mechanism is used for installing an ultrasonic transducer C and an ultrasonic transducer D of the ultrasonic oil consumption meter on the oil return path, the ultrasonic transducer C and the ultrasonic transducer D on the clamping mechanism are installed on two sides of the oil return path, and the installation positions of the ultrasonic transducer C and the ultrasonic transducer D are located on the same horizontal plane;
wherein each clamping mechanism comprises a left support plate (4), a right support plate (5), an accommodating box (6), a bolt (7), a nut (8) and a positioning pin (9),
the outer side surfaces of the left support plate (4) and the right support plate (5) are respectively provided with an accommodating box (6);
the left support plate (4) is L-shaped, the tail end of a short plate of the left support plate (4) is connected to the inner side surface of the right support plate (5), the left support plate (4) and the right support plate (5) are connected through a bolt (7), and the tail end of the bolt is screwed with a nut (8);
the left support plate (4) and the right support plate (5) are also connected through a group of positioning pins (9);
an ultrasonic transducer A (1) is arranged in an accommodating box (6) on a left support plate (4) of one clamping mechanism, one end of the ultrasonic transducer A (1) is arranged on a main oil way (3), an ultrasonic transducer B (2) is arranged in the accommodating box (6) on a right support plate (5), and one end of the ultrasonic transducer B (2) is arranged on the main oil way (3);
the mode of installing the ultrasonic energy transducer C and the ultrasonic energy transducer D of the ultrasonic oil consumption instrument on the other clamping mechanism is the same as that of installing the ultrasonic oil consumption instrument on the other clamping mechanism.
2. The measuring end clamping system for the ultrasonic oil consumption meter, as claimed in claim 1, is characterized in that: and the included angle between the connecting line of the mounting positions of the ultrasonic transducer A (1) and the ultrasonic transducer B (2) on the main oil way (3) and the central axis of the main oil way (3) is 60 degrees.
3. The measuring end clamping system for the ultrasonic oil consumption meter as claimed in claim 1 or 2, wherein: and the included angle between the connecting line of the mounting positions of the ultrasonic transducer C and the ultrasonic transducer D on the oil return path and the central axis of the oil return path is 60 degrees.
4. The measuring end clamping system for the ultrasonic oil consumption meter, as claimed in claim 3, is characterized in that: and the bolt (7) is sleeved with a gasket and then is arranged on the left support plate (4).
5. The measuring end clamping system for the ultrasonic fuel consumption meter as claimed in claim 1, 2 or 4, wherein: the clamping system further comprises a cover plate (10), a group of insert rods (11) are arranged on the periphery of one side face of the cover plate (10), and hard ball heads (12) are arranged at the tail ends of the insert rods (11);
the top parts of the left support plate (4) and the right support plate (5) are respectively provided with a group of mounting blocks (13), the top parts of the mounting blocks (13) are provided with insertion holes (14), the bottom parts of the insertion holes are provided with accommodating cavities, and the size of the accommodating cavities is matched with that of the hard ball heads (12);
the number and the positions of the insertion rods (11) correspond to those of the insertion holes (14) on the left support plate (4) and the right support plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120714806.2U CN214663192U (en) | 2021-04-08 | 2021-04-08 | A measurement end clamping system for ultrasonic wave oil consumption appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120714806.2U CN214663192U (en) | 2021-04-08 | 2021-04-08 | A measurement end clamping system for ultrasonic wave oil consumption appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214663192U true CN214663192U (en) | 2021-11-09 |
Family
ID=78460189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120714806.2U Expired - Fee Related CN214663192U (en) | 2021-04-08 | 2021-04-08 | A measurement end clamping system for ultrasonic wave oil consumption appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214663192U (en) |
-
2021
- 2021-04-08 CN CN202120714806.2U patent/CN214663192U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |