CN210400556U - Ultrasonic flowmeter detection device - Google Patents
Ultrasonic flowmeter detection device Download PDFInfo
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- CN210400556U CN210400556U CN201921618982.5U CN201921618982U CN210400556U CN 210400556 U CN210400556 U CN 210400556U CN 201921618982 U CN201921618982 U CN 201921618982U CN 210400556 U CN210400556 U CN 210400556U
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Abstract
The utility model provides an ultrasonic flowmeter detection device, including ultrasonic flowmeter pipeline section and check out test set, set up the hole one and the hole two that are used for placing the sensor on the ultrasonic flowmeter pipeline section, check out test set includes the emitter of light and the receiving arrangement of light, the emitter of light including can produce with the laser head of check out test set installation face vertically light, and be used for fixing the setting element one of laser head, the direction of propagation of perpendicular to light is provided with the central aperture board of a plurality of parallels in the setting element, the receiving arrangement of light is including being used for receiving the measuring element of light and being used for fixing measuring element's setting element two. The utility model discloses an ultrasonic flowmeter detection device can directly test the flowmeter pipeline section with this device after the assembly speculum, if have badly can discover immediately in time to adjust, has improved production efficiency greatly.
Description
Technical Field
The utility model relates to a precision test of speculum in the ultrasonic flow meter assembling process, concretely relates to ultrasonic flow meter detection device.
Background
The pipe-section type ultrasonic flowmeter is an instrument for measuring the liquid flow in a pipe section by using a speed difference method as a principle, ultrasonic waves pass through a pipeline and reach another sensor from one sensor, and the flow speed of fluid can be detected through the received ultrasonic waves, so that the flow is converted. With the rapid development of integrated circuit technology, ultrasonic flow meters are widely used, so that the precision of the ultrasonic flow meters has high requirements.
Whether the assembly precision of the ultrasonic wave can not be measured in time in the assembly process can meet the requirements under the prior art can only be tested after the sensors are completely installed, the problems that the sensors are bad, the sensors need to be disassembled, the middle assembly work is completely wasted, time and labor are wasted, the production efficiency is low and the like are solved.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems that in the prior art, whether the assembly precision of the ultrasonic flowmeter cannot be measured in time in the assembly process can meet the requirements or not, the ultrasonic flowmeter can be tested only after the sensors are completely installed, the sensors are found to be bad at the moment, the sensors need to be disassembled, the middle assembly work is completely wasted, time and labor are wasted, and the production efficiency is low. The ultrasonic flowmeter detection device is required, a flowmeter pipe section can be directly tested by the device after a reflector is assembled, if defects exist, the defects can be immediately found and timely adjusted, and the production efficiency is improved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an ultrasonic flowmeter detection device comprises an ultrasonic flowmeter pipe section and detection equipment, wherein a first hole and a second hole for placing a sensor are formed in the ultrasonic flowmeter pipe section, the detection equipment comprises a light emitting device and a light receiving device, the light emitting device comprises a laser head capable of generating light perpendicular to a detection equipment mounting surface and a first positioning piece for fixing the laser head, and a plurality of parallel central small hole plates are arranged in the first positioning piece perpendicular to the light propagation direction; the light receiving device comprises a measuring element for receiving light and a second positioning piece for fixing the measuring element.
Furthermore, a first reflecting mirror and a second reflecting mirror which are symmetrical along the radial direction of the ultrasonic flowmeter pipe section are arranged in the ultrasonic flowmeter pipe section.
Preferably, the measuring element in the light receiving device is ground glass or a camera.
According to the technical scheme provided by the utility model, the utility model provides an ultrasonic flowmeter detection device can directly test with this device the flowmeter pipeline section after the assembly speculum, if can find immediately badly in time to adjust, has improved production efficiency greatly.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the present invention;
in the figure, 1, an ultrasonic flowmeter pipe section; 2. a detection device; 21. a light emitting device; 211. a laser head; 212. a first positioning piece; 22. a light receiving device; 221. a measuring element; 222. a second positioning piece; 31. a first reflecting mirror; 32. and a second reflecting mirror.
Detailed Description
A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, an ultrasonic flow meter detection device includes an ultrasonic flow meter pipe section 1 and a detection apparatus 2, a first hole and a second hole for placing a sensor are formed on the ultrasonic flow meter pipe section, the detection apparatus includes a light emitting device 21 and a light receiving device 22, the light emitting device includes a laser head 211 capable of generating light perpendicular to a detection apparatus mounting surface, and a first positioning member 212 for fixing the laser head, and a plurality of parallel central small hole plates are arranged in the positioning member perpendicular to a light propagation direction; the light receiving device comprises a measuring element 221 for receiving light and a second positioning piece 222 for fixing the measuring element, and the propagation path of ultrasonic waves is simulated by using the propagation of light, so that whether the assembly precision of the ultrasonic flowmeter pipe section meets the requirement or not is judged.
The flowmeter pipe section is internally provided with a first reflecting mirror 31 and a second reflecting mirror 32 which are symmetrical along the radial direction of the flowmeter pipe section, the first reflecting mirror can reflect light generated by a light emitting device to the second reflecting mirror, the second reflecting mirror can reflect light to a light receiving device, and the discrete distance between an imaging light spot on the measuring element 221 and the center is observed through an optical imaging principle so as to judge whether the assembly precision of the ultrasonic flowmeter pipe section meets the requirement or not.
The measuring element 221 adopts ground glass or a camera, scales are arranged on the ground glass, the assembly precision of the first reflecting mirror 31 and the second reflecting mirror 32 is judged by judging the discrete distance between a ground glass imaging light spot and the center, or the camera is connected with a computer, and whether the assembly precision of the ultrasonic flowmeter pipe section meets the requirement or not is detected through software.
In a particular use, the ultrasonic flow meter detection method comprises the steps of: the ultrasonic flowmeter pipe section is fixed, a light emitting device and a light receiving device are sequentially installed in a first hole and a second hole, the light emitting device is opened, the laser head can emit light vertical to the installation surface of the detection equipment, the light is reflected by the first reflecting mirror and the second reflecting mirror in sequence through the central small hole plate and then is transmitted to the light receiving device, the discrete distance between a ground glass imaging light spot and the center is observed, and the ultrasonic flowmeter assembly precision is judged whether to meet the requirements.
As shown in fig. 2, if the flowmeter to be detected is a correlation flowmeter, the correlation flowmeter directly correlates with the transmitting end through the ultrasonic receiving end without refraction in the middle. For the detection of the correlation ultrasonic flowmeter, after the first hole and the second hole are processed, a light emitting device and a light receiving device are sequentially installed at the first hole and the second hole, light generated by the light emitting device directly and oppositely irradiates the light receiving device, and whether the assembly precision of the correlation ultrasonic flowmeter meets the requirement or not is judged by observing the discrete distance between an imaging light spot on a detection element and the center.
The above-mentioned embodiments are only to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (3)
1. The utility model provides an ultrasonic flowmeter detection device, includes ultrasonic flowmeter pipeline section (1) and check out test set (2), set up the hole one and the hole two that are used for placing the sensor on the ultrasonic flowmeter pipeline section, its characterized in that, check out test set includes:
the light emitting device (21) comprises a laser head (211) capable of generating light perpendicular to the mounting surface of the detection equipment and a first positioning piece (212) for fixing the laser head, wherein a plurality of parallel central small hole plates are arranged in the positioning piece perpendicular to the light propagation direction; and
a light receiving device (22) comprising a measuring element (221) for receiving light and a second positioning element (222) for fixing the measuring element.
2. An ultrasonic flow meter detection device according to claim 1, wherein a first mirror (31) and a second mirror (32) are arranged in the ultrasonic flow meter pipe section, and are radially symmetric along the ultrasonic flow meter pipe section.
3. An ultrasonic flow meter detection device according to claim 1, wherein the measuring element (221) in the light receiving means (22) is a frosted glass or a camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921618982.5U CN210400556U (en) | 2019-09-26 | 2019-09-26 | Ultrasonic flowmeter detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921618982.5U CN210400556U (en) | 2019-09-26 | 2019-09-26 | Ultrasonic flowmeter detection device |
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| Publication Number | Publication Date |
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| CN210400556U true CN210400556U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921618982.5U Active CN210400556U (en) | 2019-09-26 | 2019-09-26 | Ultrasonic flowmeter detection device |
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| CN (1) | CN210400556U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487363A (en) * | 2019-09-26 | 2019-11-22 | 瑞纳智能设备股份有限公司 | A kind of ultrasonic flowmeter detection device and detection method |
| CN112525276A (en) * | 2020-12-14 | 2021-03-19 | 北京化工大学 | Outer ultrasonic flowmeter installation error analogue means that presss from both sides based on laser light path |
-
2019
- 2019-09-26 CN CN201921618982.5U patent/CN210400556U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487363A (en) * | 2019-09-26 | 2019-11-22 | 瑞纳智能设备股份有限公司 | A kind of ultrasonic flowmeter detection device and detection method |
| CN112525276A (en) * | 2020-12-14 | 2021-03-19 | 北京化工大学 | Outer ultrasonic flowmeter installation error analogue means that presss from both sides based on laser light path |
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