CN207703665U - A kind of fluid density detecting instrument - Google Patents
A kind of fluid density detecting instrument Download PDFInfo
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- CN207703665U CN207703665U CN201820030103.6U CN201820030103U CN207703665U CN 207703665 U CN207703665 U CN 207703665U CN 201820030103 U CN201820030103 U CN 201820030103U CN 207703665 U CN207703665 U CN 207703665U
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- pipe
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- fluid density
- section pipe
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Abstract
The utility model discloses a kind of fluid density detecting instruments comprising is connected with liquid communication pipeline, in the test section pipe of " Qian " font；The water inlet end of test section pipe is equipped with the regulating valve for adjusting flow rate of liquid, and the water outlet end of test section pipe is provided with the check valve for limiting liquid flow direction；It closes on and is provided with air bleeding valve and a temperature adjustment portion for adjusting fluid temperature on the vertical section pipe of the test section pipe of regulating valve；A partition board is vertically arranged in the horizontal segment pipe of test section pipe, horizontal segment pipe is divided left chamber body and right chamber body by partition board；And a current meter for measuring and showing flow rate of liquid is equipped in one of cavity, the both ends of another cavity are symmetrically arranged with ultrasonic transmitter-receiver, and ultrasonic transmitter-receiver is connect with microcontroller, and microcontroller is connected with a display screen by interface.The fluid density detecting instrument structure novel carries out independent measurement without taking out liquid, fluid density can be accurately and efficiently measured during liquid flows.
Description
Technical field
The utility model belongs to the technical field of measuring apparatus, specifically, being related to a kind of fluid density detecting instrument.
Background technology
With economic and science and technology continuous development, industrial automation has obtained very fast development, while having driven electricity
The development of sub- measuring technique and sensor technology.Liquid density instrument is industrial pith, current existing mainstream liquid
It in volume density test method, needs to be sampled testing liquid, heavy workload, complicated for operation, measuring speed is slow and takes
The order of accuarcy for being possible to that accident occurs because of dangerous liquid misoperation, and samples during sample influences measurement result；
Another method is to be measured using radioactive ray, and radioactive ray is penetrated after penetrating certain thickness liquid sample
Thread detector is received, and sample is related to the uptake of ray and the density of testing liquid, thus obtains the density of testing liquid,
The method has higher precision, but radioactive substance has greater environmental impacts.
Utility model content
For deficiency above-mentioned in the prior art, it is close that the utility model provides a kind of structure novel, the liquid of efficiently and accurately
Spend detecting instrument.
In order to achieve the above object, the solution of the utility model use is：A kind of fluid density detecting instrument, packet
It includes and is connected with liquid communication pipeline, in the test section pipe of " Qian " font；The water inlet end of test section pipe is equipped with for adjusting liquid
The regulating valve of body flow velocity, the water outlet end of test section pipe are provided with the check valve for limiting liquid flow direction；Close on adjusting
Air bleeding valve and a temperature adjustment portion for adjusting fluid temperature are provided on the vertical section pipe of the test section pipe of valve；
A partition board is vertically arranged in the horizontal segment pipe of test section pipe, horizontal segment pipe is divided left chamber body and right chamber by partition board
Body；And a current meter for measuring and showing flow rate of liquid is equipped in one of cavity, the both ends of another cavity are symmetrical
It is provided with ultrasonic transmitter-receiver, ultrasonic transmitter-receiver is connect with microcontroller, and microcontroller is connected with a display screen by interface.
Further, symmetrically arranged ultrasonic transmitter-receiver is located at the minimum point of cavity and is close to test section inside pipe wall.
Further, the ultrasonic transmitter-receiver for being symmetricly set on cavity both ends is two groups, one of which ultrasonic transmitter-receiver
Positioned at cavity minimum point and be close to test section inside pipe wall, another group of ultrasonic transmitter-receiver is located at the peak of cavity and is close to survey
Try section inside pipe wall.
Further, the length of flow distribution plate is 4/5ths of horizontal segment length of tube, and positioned at the center of horizontal segment pipe.
Further, current meter is electrically connected with regulating valve.
Further, the pipe diameter of test section pipe is 1/10th of circulation duct diameter.
Further, test section pipe is located at the center lower end of liquid communication pipeline.
The utility model has the beneficial effects that the fluid density detecting instrument structure novel, list is carried out without taking out liquid
It solely measures, easy to operate and safe, measurement accuracy is higher, and fluid density can be accurately and efficiently measured during liquid flows；
The setting of its air bleeding valve avoids its interference to testing result for the gas of mixed flow in a liquid to be discharged；The setting of regulating valve
For adjusting flow rate of liquid, makes the flow control of test section liquid in pipe within 0.5m/s, ensure the accurate reliable of detection.
The fluid density detecting instrument is by way of ultrasound examination analysis, and to Parallel to the flow direction and inverse water (flow) direction
The fluid density measured is weighted integral analysis, obtains fluid density to the end, is effectively improved the accuracy of detection；And
Symmetrically arranged ultrasonic transmitter-receiver is located at the minimum point of cavity and is close to test section inside pipe wall, in the case of non-full pipe, makes
The reception and emission process for obtaining ultrasonic wave are propagated in fluid always, while the influence that can reflect ultrasonic wave tube wall drops to most
It is low.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of fluid density detecting instrument.
Fig. 2 shows schematically a kind of structural representation of horizontal segment pipe on the test section pipe of fluid density detecting instrument
Figure.
Fig. 3 shows schematically a kind of sectional view of horizontal segment pipe on the test section pipe of fluid density detecting instrument.
In attached drawing：1, circulation duct；2, test section pipe；3, regulating valve；4, check valve；5, air bleeding valve；6, temperature adjustment portion；7, every
Plate；8, current meter；9, ultrasonic transmitter-receiver.
Specific implementation mode
To keep the purpose of this utility model, technical solution and advantage clearer, below to the technology in the utility model
Scheme is clearly and completely described, it is clear that described embodiment is the utility model a part of the embodiment, rather than complete
The embodiment in portion.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
The every other embodiment obtained is put, shall fall within the protection scope of the present invention.
The utility model is further described below in conjunction with attached drawing：
With reference to attached drawing 1- attached drawings 3, the utility model provides a kind of fluid density detecting instrument, including with liquid communication pipeline
1 is connected, in the test section pipe 2 of " Qian " font；The water inlet end of test section pipe 2 is equipped with regulating valve 3, for adjusting liquid flow
Speed makes the flow control of liquid in test section pipe 2 within 0.5m/s, ensures the accurate reliable of detection；The water outlet of test section pipe 2
Mouth end is provided with check valve 4, for limiting liquid flow direction, prevents the liquid in liquid communication pipeline 1 from flowing into test section pipe 2
It is interior, influence test result.
It closes on the vertical section pipe of the test section pipe 2 of regulating valve 3 and is provided with air bleeding valve 5 and temperature adjustment portion 6, wherein；Air bleeding valve 5
For the gas of mixed flow in a liquid to be discharged, its interference to testing result is avoided；Temperature adjustment portion 6 is used to adjust fluid temperature, from
And the constant suitable of testing liquid temperature in test section pipe 2 is remained in, avoid the change or excessively high too low to causing of temperature
The spread speed of ultrasonic wave generates error, to improve accuracy of detection.
A partition board 7 is vertically arranged in the horizontal segment pipe of test section pipe 2, horizontal segment pipe is divided left chamber body and the right side by partition board 7
Cavity；And a current meter 8 is equipped in one of cavity, for measuring and showing flow rate of liquid；The both ends pair of another cavity
Title is provided with ultrasonic transmitter-receiver 9, and ultrasonic transmitter-receiver 9 is connect with microcontroller, and microcontroller is connected with a display screen by interface.
In specific implementation, the ultrasonic transmitter-receiver 9 being symmetricly set under setpoint distance carries out the transmitting-receiving of ultrasonic wave respectively
Work；Initially along water (flow) direction, the ultrasonic transmitter-receiver 9 for being located at water (flow) direction leading portion emits ultrasonic wave, position as transmitter
Ultrasonic wave is received as receiver in the ultrasonic transmitter-receiver 9 of water (flow) direction back segment, and monolithic is transmitted to by signal transmssion line
Machine, and transmission time of the ultrasonic wave in testing liquid is obtained, since Media density is bigger, the faster original of sonic transmissions speed
Reason, and according to the density of the current meter calculating liquid measured.
Then, ultrasonic wave is emitted as transmitter to the ultrasonic transmitter-receiver 9 positioned at water (flow) direction back segment, is located at flow side
Ultrasonic wave is received as receiver to the ultrasonic transmitter-receiver 9 of leading portion, and microcontroller is transmitted to by signal transmssion line, and is obtained
Transmission time of the ultrasonic wave in testing liquid, and according to the density of the current meter calculating liquid measured；This is asked twice later
The density obtained is weighted integral analysis, obtains fluid density to the end, is effectively improved the accuracy of detection.
The fluid density detecting instrument structure novel carries out independent measurement without taking out liquid, easy to operate and safe, measures
Precision is higher, and fluid density can be accurately and efficiently measured during liquid flows；Here, it should be noted that staff
The correspondence table of density, flow velocity and transmission range can be previously set, can also be calculated according to density publicity, it can be according to difference
The needs of people are determined, and don't explain too much here.
And in practical operation, regulating valve 3 can be adjusted according to the flow rate information that current meter 8 is shown so that flow
Control is in the flow velocity of an efficient detection；Meanwhile can also be steps adjusting flow velocity, tested out by ultrasonic transmitter-receiver 9
Different densities numerical value under steps flow velocity, finally according to common equivalent analysis or the weighted product side of grading in technical field
Method determines final densities, reduces detection error, greatly improves the accuracy of detection.
The preferred embodiment of the utility model is：Symmetrically arranged ultrasonic transmitter-receiver 9 is located at the minimum point of cavity and tight
2 inner wall of test section pipe is pasted, in actual test in the case of non-full pipe so that the reception of ultrasonic wave and emission process are always
It is propagated in fluid, while the influence that can reflect ultrasonic wave tube wall is preferably minimized.
The preferred embodiment of the utility model is：The ultrasonic transmitter-receiver 9 for being symmetricly set on cavity both ends is two groups, wherein
One group of ultrasonic transmitter-receiver 9 is located at the minimum point of cavity and is close to 2 inner wall of test section pipe, and another group of ultrasonic transmitter-receiver 9 is located at
The peak of cavity is simultaneously close to 2 inner wall of test section pipe；It is detected by two groups of ultrasonic transmitter-receivers 9, then it is weighted
Integral, further improves the accuracy of detection.
The preferred embodiment of the utility model is：The length of flow distribution plate is 4/5ths of horizontal segment length of tube, and is located at
The center of horizontal segment pipe；In test of many times, under the length, it can be ensured that flow velocity is identical in left chamber body and right chamber body, is
Detection process provides effective support.
The preferred embodiment of the utility model is：Current meter 8 is electrically connected with regulating valve 3, can be default in practical operation
Standard value, when the flowing velocity of liquid does not meet preset flow rate, regulating valve 3 makes corresponding adjusting action, intelligent and high-efficiency automatically.
The preferred embodiment of the utility model is：The pipe diameter of test section pipe 2 be 1 diameter of circulation duct ten/
One, in specific implementation, when water flow is smaller in circulation duct 1, it can ensure into the abundant of test section pipe 2；Meanwhile it passing through
Multiple actual tests are crossed, under the ratio, on the basis of ensuring detection effectively accurately, reasonably control sampling amount, maximum journey
The influence of degree reduced to technique productions etc..
The preferred embodiment of the utility model is：Test section pipe 2 is located at the center lower end of liquid communication pipeline 1 so that position
It smooth can be effective flowed into test section pipe 2 in the liquid in circulation duct 1, while one is generated under the action of vertical gravity
A acceleration facilitates ensuring that the flow velocity in test section pipe 2.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc.
With replacement；And these modifications or replacements, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (7)
1. a kind of fluid density detecting instrument, it is characterized in that：Include being connected with liquid communication pipeline, in the test of " Qian " font
Duan Guan；The water inlet end of the test section pipe is equipped with the regulating valve for adjusting flow rate of liquid, the water outlet of the test section pipe
End is provided with the check valve for limiting liquid flow direction；It closes on the vertical section pipe of the test section pipe of the regulating valve and is arranged
There are air bleeding valve and a temperature adjustment portion for adjusting fluid temperature；
A flow distribution plate is vertically arranged in the horizontal segment pipe of the test section pipe, the flow distribution plate divides the horizontal segment pipe left
Cavity and right chamber body；And one is equipped in one of cavity for measuring and showing the current meter of flow rate of liquid, described in another
The both ends of cavity are symmetrically arranged with ultrasonic transmitter-receiver, and the ultrasonic transmitter-receiver is connect with microcontroller, and the microcontroller passes through
Interface is connected with a display screen.
2. fluid density detecting instrument according to claim 1, it is characterized in that：Symmetrically arranged ultrasonic transmitter-receiver is located at
The minimum point of cavity is simultaneously close to test section inside pipe wall.
3. fluid density detecting instrument according to claim 1, it is characterized in that：It is symmetricly set on the ultrasonic wave at cavity both ends
Transceiver is two groups, and one of which ultrasonic transmitter-receiver is located at the minimum point of cavity and is close to test section inside pipe wall, and another group super
Sound wave transceiver is located at the peak of cavity and is close to test section inside pipe wall.
4. fluid density detecting instrument according to claim 1, it is characterized in that：The length of the flow distribution plate is the level
4/5ths of section length of tube, and positioned at the center of the horizontal segment pipe.
5. fluid density detecting instrument according to claim 1, it is characterized in that：The current meter is electrically connected with the regulating valve
It connects.
6. fluid density detecting instrument according to claim 1, it is characterized in that：The pipe diameter of the test section pipe is stream
Thread a pipe 1/10th of diameter.
7. fluid density detecting instrument according to claim 1, it is characterized in that：The test section pipe is located at the liquid flow
The center lower end threaded a pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820030103.6U CN207703665U (en) | 2018-01-09 | 2018-01-09 | A kind of fluid density detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820030103.6U CN207703665U (en) | 2018-01-09 | 2018-01-09 | A kind of fluid density detecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207703665U true CN207703665U (en) | 2018-08-07 |
Family
ID=63033960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820030103.6U Active CN207703665U (en) | 2018-01-09 | 2018-01-09 | A kind of fluid density detecting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207703665U (en) |
-
2018
- 2018-01-09 CN CN201820030103.6U patent/CN207703665U/en active Active
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