CN214663192U - A measuring end clamping system for ultrasonic fuel consumption meter - Google Patents
A measuring end clamping system for ultrasonic fuel consumption meter 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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- ultrasonic transducer
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- 239000000446 fuel Substances 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 238000009434 installation Methods 0.000 claims abstract description 19
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 abstract description 11
- 230000007547 defect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
一种用于超声波油耗仪的计量端装夹系统，属于流量测量领域。利用超声波时差法进行燃油流量测量时，测量端存在缺乏安装、使用的技术缺陷。本实用新型其中一个装夹机构将超声波换能器A（1）和超声波换能器B（2）安装在主油路（3）上的位置的连线与主油路中轴线之间的夹角为60°；装夹机构的左支板（4）和右支板（5）之间通过螺栓（7）连接，左支板（4）和右支板（5）之间还通过一组定位销（9）连接；装夹机构的左支板（4）上安装超声波换能器A（1），右支板（5）上安装超声波换能器B（2）；超声波换能器C和超声波换能器D的安装方式同上。本实用新型结构简单，安装拆卸方便，辅助利用超声波时差法进行燃油流量测量的准确性。
A metering end clamping system for an ultrasonic fuel consumption meter belongs to the field of flow measurement. When using the ultrasonic time difference method to measure the fuel flow, the measuring end has the technical defects of lack of installation and use. One of the clamping mechanisms of the utility model clamps between the connecting line where the ultrasonic transducer A (1) and the ultrasonic transducer B (2) are installed on the main oil circuit (3) and the central axis of the main oil circuit The angle is 60°; the left support plate (4) and the right support plate (5) of the clamping mechanism are connected by bolts (7), and the left support plate (4) and the right support plate (5) are also connected by a set of The positioning pin (9) is connected; ultrasonic transducer A (1) is installed on the left support plate (4) of the clamping mechanism, and ultrasonic transducer B (2) is installed on the right support plate (5); ultrasonic transducer C The installation method of ultrasonic transducer D is the same as above. The utility model has the advantages of simple structure, convenient installation and disassembly, and assists the accuracy of fuel flow measurement by the ultrasonic time difference method.
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 measuring end clamping system for ultrasonic fuel consumption meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120714806.2U CN214663192U (en) | 2021-04-08 | 2021-04-08 | A measuring end clamping system for ultrasonic fuel consumption meter |
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 measuring end clamping system for ultrasonic fuel consumption meter |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211109 |