CN215261919U - Portable soap film flowmeter - Google Patents
Portable soap film flowmeter Download PDFInfo
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- CN215261919U CN215261919U CN202121454002.XU CN202121454002U CN215261919U CN 215261919 U CN215261919 U CN 215261919U CN 202121454002 U CN202121454002 U CN 202121454002U CN 215261919 U CN215261919 U CN 215261919U
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- soap
- limit sensor
- soap lye
- display instrument
- pipe
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Abstract
A portable soap film flowmeter relates to the technical field of chemical instruments. The bottom of soap lye pipe is connected with the soap lye tank, soap lye tank fixed mounting is on the support frame, the top of soap lye pipe is connected with display instrument, be provided with lower groove and last groove on the outer wall of soap lye pipe, the groove is located the bottom of last groove down, lower limit sensor is installed to lower groove horizontal side department, upper limit sensor is installed to upper groove horizontal side department, be provided with the air inlet between soap lye pipe and the soap lye tank, the top of soap lye pipe is provided with the gas outlet, display instrument's intercommunication has the gas circuit to connect, the gas outlet is connected with display instrument through the gas circuit joint. The time required by displacement between the lower limit sensor and the upper limit sensor is calculated through a microprocessor inside the top display instrument, and the volume between the lower limit sensor and the upper limit sensor is calibrated, so that the instantaneous flow is automatically calculated, and the whole practicability is high.
Description
Technical Field
The utility model relates to a chemical instrumentation technical field, concretely relates to portable soap film flowmeter.
Background
A soap film flow meter is an instrument suitable for the detection of any gas or liquid flow. The start-stop time of soap film or liquid level passing through a section of glass tube is measured and calculated by combining a microprocessor and a sensitive element in the glass tube, and finally the flow is calculated and displayed visually.
Although the traditional soap film flowmeter is low in price, the measurement process is complicated, the error is large, and the empirical requirement is high. During measurement, the soap liquid is squeezed manually, the generated soap film rises along the soap film pipe, scales at the position of the soap film need to be observed and recorded in the rising process, and meanwhile, the stopwatch is pinched by hands for timing. After a certain distance, the position of the soap film and the time difference between the two positions need to be recorded again. And then calculating according to the two positions of the soap film and the time difference between the two positions so as to obtain the flow. Obviously, the traditional calculation method is related to the gas temperature and the pressure during the measurement, and the process is easy to generate human errors, such as whether the soap film tube is placed vertically or not, whether the scale line observation is correct or not, whether the instrument is clamped correctly or not can influence the measurement precision, and meanwhile, the traditional soap film flowmeter needs a base and a test tube rack with certain volumes, so that the volume is large, the transportation and the assembly are inconvenient, and the use cost is high.
Disclosure of Invention
The utility model aims to solve the defects and deficiencies of the prior art and provide a portable soap film flowmeter to solve the problems in the prior art, which realizes the supporting and fixing function of a soap film pipe through a simple support frame at the bottom, the soap film pipe can be naturally and vertically fixed and installed on the support frame without a related test tube rack, an upper limit sensor and a lower limit sensor are installed on the outer wall of the soap film pipe, when the soap film is pushed by air flow to pass through the lower limit sensor and the upper limit sensor, the time required by the displacement between the lower limit sensor and the upper limit sensor is calculated through a microprocessor in a top display instrument, the instantaneous flow is automatically calculated with the volume between the calibrated lower limit sensor and the upper limit sensor, and simultaneously, the instantaneous flow or other reference flows can be converted into standard condition flow or other reference flows through an external keyboard according to the field temperature and the atmospheric pressure, and the result is displayed, the traditional series of artificial operation calculation is replaced by the automatic calculation mode, the measurement precision is more accurate, and meanwhile, some unnecessary structures are removed, so that the whole device is lighter, the cost is lower, the whole practicability is strong, and the market popularization value is higher.
In order to achieve the above purpose, the utility model adopts the following technical scheme: it contains support frame 1, soap lye pipe 2, soap lye tank 3, display instrument 4, the bottom of soap lye pipe 2 is connected with soap lye tank 3, 3 fixed mounting of soap lye tank are on support frame 1, the top of soap lye pipe 2 is connected with display instrument 4, be provided with lower groove 21 and last groove 22 on the outer wall of soap lye pipe 2, lower groove 21 is located the bottom of last groove 22, lower limit sensor 23 is installed to lower groove 21 horizontal side department, it installs upper limit sensor 24 to go up groove 22 horizontal side department, be provided with air inlet 25 between soap lye pipe 2 and the soap lye tank 3, the top of soap lye pipe 2 is provided with gas outlet 26, display instrument 4's intercommunication has gas circuit connector 41, gas outlet 26 is connected with display instrument 4 through gas circuit connector 41.
The bottom of the soap lye tank 3 is connected with an elastic pressure head 31, and the soap film pipe 2, the soap lye tank 3 and the elastic pressure head 31 are designed in an integrated forming mode.
The display instrument 4 in install microprocessor 42 and RS232 connection port 43, microprocessor 42 respectively with RS232 connection port 43, lower limit sensor 23 with upper limit sensor 24 signal connection, RS232 connection port 43 passes through the serial network connecting wire and is connected with outside computer, the outside of display instrument 4 is provided with display screen 44, display screen 44 and microprocessor 42 electric connection.
The top of the soap lye tank 3 is provided with a liquid filling port 32, and the bottom is provided with a liquid outlet 33.
The air outlet 26 is fixedly connected with the air outlet 26 by threads.
The utility model discloses a theory of operation: when the soap flow meter is used, after the required flow is regulated by an external air source through a flow regulating valve, the soap flow enters the interior of the soap film pipe 2 through the air inlet 25, the elastic pressure head 31 is squeezed at the moment to enable a soap film to be generated in the soap film pipe 2, the soap film is pushed to rise at a constant speed along the soap film pipe 2 due to the pushing force of external air flow, when the soap film rises to the lower scale line 21, the lower limit sensor 23 transmits a signal to the microprocessor 42 to enable the microprocessor 42 to start to calculate the initial running time of the soap film, when the soap film rises to the upper scale line 22, the upper limit sensor 24 transmits a signal to the microprocessor 42 to enable the microprocessor 42 to stop calculating the running time, then the microprocessor 42 automatically processes the soap film to obtain the total time required by the soap film to pass through the space between the lower limit sensor 23 and the upper limit sensor 24, the volume between the lower limit sensor 23 and the upper limit sensor 24 of the soap film pipe 2 which are calibrated in advance is used to automatically calculate the instantaneous flow, and the instantaneous flow can be simultaneously measured according to the on-site temperature, The atmospheric pressure is input into the display instrument 4 through the external keyboard connecting RS232 connecting port 43, converted into standard condition flow or other reference flow, and the result is displayed.
After the technical scheme is adopted, the utility model discloses beneficial effect does: the soap film tube realizes the supporting and fixing function through the simple support frame at the bottom, the soap film tube can be naturally and vertically arranged on the support frame without a related test tube rack, the outer wall of the soap film tube is provided with an upper limit sensor and a lower limit sensor, when the soap film is pushed by airflow to pass through the lower limit sensor and the upper limit sensor, the time required by the displacement between the lower limit sensor and the upper limit sensor is calculated through a microprocessor in a top display instrument, the volume between the microprocessor and the calibrated lower limit sensor and the calibrated upper limit sensor is used for automatically calculating the instantaneous flow, meanwhile, the instantaneous flow can be input into a flowmeter through an external keyboard according to the field temperature and the atmospheric pressure, the instantaneous flow is converted into standard condition flow or other reference flow, and the result is displayed, the automatic calculation mode replaces the traditional series of artificial operation calculation, the measurement precision is more accurate, and some unnecessary structures are removed, the whole device is more portable, the cost is lower, the whole practicability is strong, and the market promotion value is higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic diagram of the internal structure of the display instrument 4 of the present invention.
Description of reference numerals: the soap dispenser comprises a support frame 1, a soap film pipe 2, a lower scale line 21, an upper scale line 22, a lower limit sensor 23, an upper limit sensor 24, an air inlet 25, an air outlet 26, a soap liquid tank 3, an elastic pressure head 31, a liquid filling port 32, a liquid outlet 33, a display instrument 4, an air path joint 41, a microprocessor 42, an RS232 connecting port 43 and a display screen 44.
Detailed Description
Referring to fig. 1 to 2, the technical solution adopted by the present embodiment is: the soap film tube comprises a support frame 1, a soap film tube 2, a soap liquid tank 3 and a display instrument 4, wherein the soap liquid tank 3 is connected to the bottom of the soap film tube 2, the soap liquid tank 3 is fixedly installed on the support frame 1, the display instrument 4 is connected to the top of the soap film tube 2, a lower scribed line 21 and an upper scribed line 22 are arranged on the outer wall of the soap film tube 2, the lower scribed line 21 is positioned at the bottom of the upper scribed line 22, a lower limit sensor 23 is installed at the horizontal side edge of the lower scribed line 21, an upper limit sensor 24 is installed at the horizontal side edge of the upper scribed line 22, an air inlet 25 is arranged between the soap film tube 2 and the soap liquid tank 3, an air outlet 26 is arranged at the top of the soap film tube 2, an air passage joint 41 is communicated with the display instrument 4, the air outlet 26 is connected with the display instrument 4 through the air passage joint 41, the mode that the traditional air outlet 26 needs to be sleeved with an rubber air exhaust tube to connect the display instrument 4 is replaced, the connection structure is simpler and firmer, and smaller in overall size, is convenient to carry.
Further, the bottom of soap lye tank 3 be connected with elasticity pressure head 31, soap film pipe 2, soap lye tank 3 and elasticity pressure head 31 formula shaping design as an organic whole reduce the installation, convenient quick measurement.
Furthermore, a microprocessor 42 and an RS232 connection port 43 are installed in the display instrument 4, the microprocessor 42 is in signal connection with the RS232 connection port 43, the lower limit sensor 23 and the upper limit sensor 24 respectively, so as to facilitate real-time automatic monitoring, the RS232 connection port 43 is connected with an external computer through a serial network connection line, so as to realize that the temperature and the atmospheric pressure on site are transmitted into the display instrument 4 through the RS232 connection port 43 for standard condition or reference, a display screen 44 is arranged outside the display instrument 4, the display screen 44 is electrically connected with the microprocessor 42, and the display screen 44 facilitates real-time display of the measured instantaneous flow value and the reference flow standard, the temperature on site and the atmospheric pressure.
Further, the top of soap lye tank 3 be provided with liquid filling port 32, the bottom is provided with liquid outlet 33, conveniently pours into soap lye into to soap lye tank 3 through liquid filling port 32 in, conveniently discharges through liquid outlet 33 simultaneously.
Further, the air outlet 26 and the air outlet 26 are fixedly connected by threads, so that the connection is stable and the falling-off is not easy to occur.
The utility model discloses a theory of operation: when the soap flow meter is used, after the required flow is regulated by an external air source through a flow regulating valve, the soap flow enters the interior of the soap film pipe 2 through the air inlet 25, the elastic pressure head 31 is squeezed at the moment to enable a soap film to be generated in the soap film pipe 2, the soap film is pushed to rise at a constant speed along the soap film pipe 2 due to the pushing force of external air flow, when the soap film rises to the lower scale line 21, the lower limit sensor 23 transmits a signal to the microprocessor 42 to enable the microprocessor 42 to start to calculate the initial running time of the soap film, when the soap film rises to the upper scale line 22, the upper limit sensor 24 transmits a signal to the microprocessor 42 to enable the microprocessor 42 to stop calculating the running time, then the microprocessor 42 automatically processes the soap film to obtain the total time required by the soap film to pass through the space between the lower limit sensor 23 and the upper limit sensor 24, the volume between the lower limit sensor 23 and the upper limit sensor 24 of the soap film pipe 2 which are calibrated in advance is used to automatically calculate the instantaneous flow, and the instantaneous flow can be simultaneously measured according to the on-site temperature, The atmospheric pressure is input into the display instrument 4 through the external keyboard connecting RS232 connecting port 43, converted into standard condition flow or other reference flow, and the result is displayed.
After the technical scheme is adopted, the utility model discloses beneficial effect does: the soap film tube realizes the supporting and fixing function through the simple support frame at the bottom, the soap film tube can be naturally and vertically arranged on the support frame without a related test tube rack, the outer wall of the soap film tube is provided with an upper limit sensor and a lower limit sensor, when the soap film is pushed by airflow to pass through the lower limit sensor and the upper limit sensor, the time required by the displacement between the lower limit sensor and the upper limit sensor is calculated through a microprocessor in a top display instrument, the volume between the microprocessor and the calibrated lower limit sensor and the calibrated upper limit sensor is used for automatically calculating the instantaneous flow, meanwhile, the instantaneous flow can be input into a flowmeter through an external keyboard according to the field temperature and the atmospheric pressure, the instantaneous flow is converted into standard condition flow or other reference flow, and the result is displayed, the automatic calculation mode replaces the traditional series of artificial operation calculation, the measurement precision is more accurate, and some unnecessary structures are removed, the whole device is more portable, the cost is lower, the whole practicability is strong, and the market promotion value is higher.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. A portable soap film flowmeter is characterized in that: it comprises a support frame (1) and a soap film tube (2), soap lye tank (3), display instrument (4), the bottom of soap lye pipe (2) is connected with soap lye tank (3), soap lye tank (3) fixed mounting is on support frame (1), the top of soap lye pipe (2) is connected with display instrument (4), be provided with lower groove (21) and last groove (22) on the outer wall of soap lye pipe (2), lower groove (21) are located the bottom of last groove (22), lower limit sensor (23) are installed to lower groove (21) horizontal side department, upper limit sensor (24) are installed to last groove (22) horizontal side department, be provided with air inlet (25) between soap lye pipe (2) and soap lye tank (3), the top of soap lye pipe (2) is provided with gas outlet (26), the intercommunication of display instrument (4) has gas circuit joint (41), gas circuit joint (41) are passed through in gas outlet (26) and are connected with display instrument (4).
2. The portable soap film flow meter of claim 1, wherein: the bottom of the soap lye tank (3) is connected with an elastic pressure head (31), and the soap film pipe (2), the soap lye tank (3) and the elastic pressure head (31) are designed in an integrated forming mode.
3. The portable soap film flow meter of claim 1, wherein: display instrument (4) in install microprocessor (42) and RS232 connection port (43), microprocessor (42) respectively with RS232 connection port (43), lower limit sensor (23) and upper limit sensor (24) signal connection, RS232 connection port (43) are connected with outside computer through serial network connecting wire, the outside of display instrument (4) is provided with display screen (44), display screen (44) and microprocessor (42) electric connection.
4. The portable soap film flow meter of claim 1, wherein: the top of the soap liquid tank (3) is provided with a liquid filling port (32), and the bottom is provided with a liquid outlet (33).
5. The portable soap film flow meter of claim 1, wherein: the air outlet (26) is fixedly connected with the air outlet (26) by threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121454002.XU CN215261919U (en) | 2021-06-29 | 2021-06-29 | Portable soap film flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121454002.XU CN215261919U (en) | 2021-06-29 | 2021-06-29 | Portable soap film flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215261919U true CN215261919U (en) | 2021-12-21 |
Family
ID=79484713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121454002.XU Active CN215261919U (en) | 2021-06-29 | 2021-06-29 | Portable soap film flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215261919U (en) |
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2021
- 2021-06-29 CN CN202121454002.XU patent/CN215261919U/en active Active
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