CN112985534A - Ultrasonic counting sensor for mechanical water meter test and working method thereof - Google Patents
Ultrasonic counting sensor for mechanical water meter test and working method thereof Download PDFInfo
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- CN112985534A CN112985534A CN202110164113.5A CN202110164113A CN112985534A CN 112985534 A CN112985534 A CN 112985534A CN 202110164113 A CN202110164113 A CN 202110164113A CN 112985534 A CN112985534 A CN 112985534A
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- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
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Abstract
The invention has provided the test of mechanical water gauge to use the ultrasonic wave count sensor and its work method, including stationary fixture and counting assembly, the stationary fixture can adapt to the water gauge of different models, the ultrasonic wave that the ultrasonic wave transmitting transducer sends in the counting assembly is received by the ultrasonic receiving transducer through the blade of water gauge rotating in the water gauge, the ultrasonic receiving transducer receives the signal includes the blade number of the blade of the water gauge to correspond to the pulse signal, the controller analyzes the pulse signal and gets the accurate reading, has solved the existing test reading of mechanical water gauge and had artificial error in the number of artificial readings, only can use the start-stop method, the test time is long; the photoelectric counting sensor is greatly influenced by bubbles on the dial plate of the wet water meter and has low reliability; the shooting collection can only be carried out by a start-stop method, the testing time is long, and the problem that the accuracy traceability of a shooting system is difficult is solved by adopting a commutator method or a flow time rule.
Description
Technical Field
The invention relates to the technical field of water meter reading test, in particular to an ultrasonic counting sensor for mechanical water meter test and a working method thereof.
Background
At present, the mechanical water meter mainly has three modes for testing and reading:
1. the reading is carried out manually, and the reading is carried out,
the advantages are that: is simple and reliable.
The disadvantages are that: and if the error is caused, only a start-stop method can be used, and the test time is long.
2. Photoelectric (laser) counting sensor
The advantages are that: a diverter method or a flow time method may be used.
The disadvantages are that: the influence of bubbles on the dial plate of the wet water meter is large, and the reliability is low. (the water meter used in China is mostly wet type)
3. The image acquisition is carried out by shooting,
the advantages are that: there is no human error.
The disadvantages are that: only a start-stop method is used, and the test time is long. For example, the accuracy tracing of the camera system is difficult by adopting a commutator method or a flow time rule.
Disclosure of Invention
The embodiment of the invention provides an ultrasonic counting sensor for a mechanical water meter test and a working method thereof, the ultrasonic counting sensor is conveniently fixed at a water meter by arranging a fixing clamp and a counting assembly, the fixing clamp can adapt to water meters of different models, the counting assembly has strong universality, ultrasonic waves emitted by an ultrasonic emitting transducer pass through a rotating water meter blade in the water meter to be received by an ultrasonic receiving transducer, signals received by the ultrasonic receiving transducer comprise disturbance of the rotation of the water meter blade to the amplitude of the ultrasonic signals, the amplitude disturbance corresponds to the passing water meter blade, the signals are digitally processed and separated to form pulse signals corresponding to the number of the blades passing through the water meter blade, a controller analyzes the pulse signals to obtain accurate readings, and the problem that the manual readings of the current mechanical water meter test have artificial errors is solved, only a start-stop method is used, and the test time is long; the photoelectric counting sensor is greatly influenced by bubbles on the dial plate of the wet water meter and has low reliability; the camera shooting collection can only use a start-stop method, the testing time is long, and if a commutator method or a flow time rule is adopted, the accuracy of the camera shooting system is difficult to trace.
In view of the above problems, the technical solution proposed by the present invention is:
ultrasonic wave count sensor is used in test of mechanical water gauge includes:
the water meter is internally provided with a water meter blade;
the fixing clamp comprises a first clamping piece, a second clamping piece, a first rack, a second rack, an adjuster and a nylon cable tie;
wherein the first clamping piece is arranged at one side of the water meter, a first through groove is arranged at one side of the first clamping piece, the second clamping piece is arranged at the other side of the water meter, a second through groove is arranged at one side of the second clamping piece, the regulator is arranged at the bottom of the water meter, one end of the first rack is connected with one side of the first clamping piece close to the second clamping piece, the other end of the first rack is inserted at one side of the regulator, one end of the second rack is connected with one side of the second clamping piece close to the first clamping piece, the other end of the second rack is inserted into the other side of the adjuster, the adjuster is used for changing the distance between the first clamping piece and the second clamping piece by changing the depth of the first rack and the second rack inserted into the adjuster, and the nylon cable ties are respectively inserted into the first through groove and the second through groove;
the counting assembly comprises an ultrasonic transmitting transducer, an ultrasonic receiving transducer, a fixed clamping piece, a fixed rod, a control device and a cable;
wherein, ultrasonic emission transducer set up in first clamping piece is kept away from one side of water gauge, ultrasonic wave receiving transducer set up in the second clamping piece is kept away from one side of water gauge, fixed clamping piece install in joint one side of water gauge, the one end of dead lever with one side fixed connection of fixed clamping piece, the other end of dead lever with controlling means's bottom fixed connection, controlling means passes through the cable respectively with ultrasonic emission transducer with ultrasonic wave receiving transducer communication connection.
In order to better realize the technical scheme of the invention, the following technical measures are also adopted.
Further, the adjuster comprises an adjusting seat, an adjusting rod, an adjusting knob, a first screw rod and a second screw rod, the adjusting seat is arranged at the bottom of the water meter, a third through groove and a fourth through groove are sequentially arranged on one side of the adjusting seat close to the first clamping piece, a first hole site is arranged at the bottom of the adjusting seat, a second hole site is arranged at one side of the inner wall of the third through groove, a third hole site is arranged on one side of the inner wall of the fourth through groove, the first hole site is respectively communicated with the third through groove and the fourth through groove, the adjusting rod is arranged inside the first hole site, the adjusting knob is arranged at one end of the adjusting rod, the other end of the adjusting rod is rotatably connected with the top of the inner wall of the first hole site, the outer wall of the first screw rod is in threaded connection with the inner wall of the second hole site, and the outer wall of the second screw rod is in threaded connection with the inner wall of the third hole site.
Furthermore, the first rack is inserted into the third through groove, the second rack is inserted into the fourth through groove, one end surface of the adjusting rod, which is close to the first rack and the second rack, is provided with a tooth socket, and the tooth socket is respectively meshed with the tooth sockets of the first rack and the second rack.
Furthermore, one end of the first screw rod, which is close to the first rack, is in contact with one side of the first rack, which is far away from the adjusting rod, and one end of the second screw rod, which is close to the second rack, is in contact with one side of the second rack, which is far away from the adjusting rod.
Further, controlling means includes control box, display screen, first button, second button, pilot lamp and controller, the control box with the other end fixed connection of dead lever, the display screen set up in top one side of control box, first button the second button with the pilot lamp set gradually in the top opposite side of control box, the controller set up in the inside of control box.
Furthermore, the signal input part of the controller is respectively in communication connection with the signal output part of the second button and the signal output part of the ultrasonic receiving transducer, and the signal output part of the controller is respectively in communication connection with the signal input part of the display screen and the signal input part of the ultrasonic transmitting transducer.
Further, the first button is used for connecting and disconnecting the power supply of the ultrasonic counting sensor, and the indicator light is used for displaying the power supply connection state of the ultrasonic counting sensor.
Further, the nylon ribbon is reusable ribbon.
Furthermore, the ultrasonic transmitting transducer and the ultrasonic receiving transducer are located on the same horizontal line, and the ultrasonic transmitting transducer and the ultrasonic receiving transducer are respectively right opposite to the water meter blade.
The working method of the ultrasonic counting sensor for the mechanical water meter test comprises the following steps:
s1, mounting, loosening the nylon cable tie, drawing out the nylon cable tie from the first through groove and the second through groove, rotating an adjusting knob, wherein the adjusting knob drives an adjusting rod to rotate, the adjusting rod is respectively meshed with the first rack and the second rack to drive the first rack and the second rack to respectively slide in the third through groove and the fourth through groove, the depth of the first rack and the second rack inserted into the third through groove and the fourth through groove is adjusted by rotating the adjusting knob, so that the distance between the first clamping piece and the second clamping piece is adjusted, the first clamping piece and the second clamping piece are attached to the water meter, the nylon cable tie is inserted into the first through groove and the second through groove and tightened and fixed, and the fixed clamping piece is clamped at the joint of the water meter;
s2, starting the power supply, pressing the first button to connect the power supply, and lighting the indicator light after connecting the power supply;
s3, testing, pressing the first button, sending a signal to the controller by the first button, controlling the ultrasonic transmitting transducer to send ultrasonic waves to the ultrasonic receiving transducer after the controller receives the signal, sending the signal to the controller after the ultrasonic receiving transducer receives the ultrasonic waves, analyzing the input signal by the controller to obtain flow data of the water meter, sending the signal to the display screen, and displaying the flow data of the water meter after the display screen receives the signal.
Compared with the prior art, the invention has the beneficial effects that: the ultrasonic wave emitted by the ultrasonic wave emitting transducer of the counting assembly passes through the blades of the water meter which rotates in the water meter and is received by the ultrasonic wave receiving transducer, the signal received by the ultrasonic wave receiving transducer comprises disturbance of the rotation of the blades of the water meter to the amplitude of the ultrasonic wave signal, the amplitude disturbance corresponds to the passing blades of the water meter, the signal is digitally processed and separated to form a pulse signal which corresponds to the number of the blades passing through the blades of the water meter, and the controller analyzes the pulse signal to obtain accurate reading, so that the problem that the manual reading of the current mechanical water meter has artificial errors, only a start-stop method can be used and the testing time is long is solved; the photoelectric counting sensor is greatly influenced by bubbles on the dial plate of the wet water meter and has low reliability; the camera shooting collection can only use a start-stop method, the testing time is long, and if a commutator method or a flow time rule is adopted, the accuracy of the camera shooting system is difficult to trace.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Fig. 1 is a schematic view of a perspective three-dimensional structure of an ultrasonic counting sensor mounted on a water meter for testing a mechanical water meter according to an embodiment of the present invention;
fig. 2 is a schematic view of another perspective three-dimensional structure of an ultrasonic counting sensor mounted on a water meter for testing a mechanical water meter according to an embodiment of the present invention;
fig. 3 is a schematic front view of an ultrasonic counting sensor mounted on a water meter for testing a mechanical water meter according to an embodiment of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
FIG. 5 is an enlarged view of the structure at A in FIG. 4;
fig. 6 is a schematic top view of an ultrasonic counting sensor for testing a mechanical water meter according to an embodiment of the present invention;
FIG. 7 is a sectional view taken along line A-A in FIG. 6;
FIG. 8 is an enlarged view of the structure at A in FIG. 7;
fig. 9 is a communication block diagram of an ultrasonic counting sensor for testing a mechanical water meter according to an embodiment of the present invention;
fig. 10 is a schematic flow chart illustrating a working method of the ultrasonic counting sensor for testing a mechanical water meter according to an embodiment of the present invention.
Reference numerals: 100-water meter; 101-water meter blade; 200-fixing the clamp; 201-a first clip; 20101-a first through slot; 202-a second clip; 20201-a second through slot; 203-a first rack; 204-a second rack; 205-a regulator; 2051-an adjusting seat; 205101-a third through slot; 205102-a fourth through slot; 205103-first hole site; 205104-second hole site; 205105-third hole site; 2052-adjusting rod; 2053-adjusting knob; 2054-first screw; 2055-second screw; 206-nylon cable ties; 300-a counting assembly; 301-an ultrasonic transmitting transducer; 302-an ultrasonic receiving transducer; 303-fixing the clip; 304-a fixation rod; 305-a control device; 30501-control box; 30502-display screen; 30503-a first button; 30504-a second button; 30505-indicator light; 30506-a controller; 306-cable.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-9, an ultrasonic counting sensor for a mechanical water meter test includes a water meter 1, a water meter blade 101 disposed inside the water meter 1, and a fixing clamp 200, where the fixing clamp 200 includes a first clamping piece 201, a second clamping piece 202, a first rack 203, a second rack 204, a regulator 205, and a nylon band 206, the first clamping piece 201 is disposed at one side of the water meter 100, a first through groove 20101 is disposed at one side of the first clamping piece 201, the second clamping piece 202 is disposed at the other side of the water meter 100, in this embodiment, the first clamping piece 201 and the second clamping piece 202 are defined as 3Cr13 stainless steel, which has the advantages of high strength and good corrosion resistance, the second through groove 20201 is disposed at one side of the second clamping piece 202, the regulator 205 is disposed at the bottom of the water meter 100, one end of the first rack 203 is connected to one side of the first clamping piece 201 close to the second clamping piece 202, and the other end of the first rack 203 is, one end of the second rack 204 is connected with one side of the second clip 202 close to the first clip 201, the other end of the second rack 204 is inserted into the other side of the adjuster 205, the adjuster 205 is used for changing the distance between the first clip 201 and the second clip 202 by changing the depth of the first rack 203 and the second rack 204 inserted into the adjuster 205, in this embodiment, the material defining the first rack 203 and the second rack 204 is 3Cr13 stainless steel, which has the advantages of high strength and good corrosion resistance, the nylon cable ties 206 are respectively inserted into the first through groove 20101 and the second through groove 20201, the nylon cable ties 206 are reusable cable ties, the counting assembly 300 comprises an ultrasonic transmitting transducer 301, an ultrasonic receiving transducer 302, a fixing clip 303, a fixing rod 304, a control device 305 and a cable 306, the ultrasonic transmitting transducer 301 is arranged on one side of the first clip 201 far away from the water meter 100, the ultrasonic receiving transducer 302 is arranged on one side of the second clamping piece 202 far away from the water meter 100, the ultrasonic transmitting transducer 301 and the ultrasonic receiving transducer 302 are positioned on the same horizontal line, the ultrasonic transmitting transducer 301 and the ultrasonic receiving transducer 302 are respectively right opposite to the water meter blade 101, the fixing clamping piece 303 is arranged on one side of the joint of the water meter 100, one end of the fixing rod 304 is fixedly connected with one side of the fixing clamping piece 303, the other end of the fixing rod 304 is fixedly connected with the bottom of the control device 305, the control device 305 is respectively in communication connection with the ultrasonic transmitting transducer 301 and the ultrasonic receiving transducer 302 through a cable 306, the control device 305 comprises a control box 30501, a display screen 30502, a first button 30503, a second button 30504, an indicator light 30505 and a controller 30506, the control box 30501 is fixedly connected with the other end of the fixing rod 304, the display screen 30502 is arranged on one side of the top of the control box 30501, The second button 30504 and the indicator light 30505 are sequentially arranged on the other side of the top of the control box 30501, the controller 30506 is arranged inside the control box 30501, a signal input end of the controller 30506 is respectively in communication connection with a signal output end of the second button 30504 and a signal output end of the ultrasonic receiving transducer 302, a signal output end of the controller 30506 is respectively in communication connection with a signal input end of the display screen 30502 and a signal input end of the ultrasonic transmitting transducer 301, the first button 30503 is used for connecting and disconnecting a power supply of the ultrasonic counting sensor, the indicator light 30505 is used for displaying a power supply connection state of the ultrasonic counting sensor, by arranging the fixing clamp 200 and the counting assembly 300, the fixing clamp 200 is convenient for fixing the ultrasonic counting sensor at the water meter 100, the fixing clamp 200 can adjust the size of the fixing clamp 200 according to water meters 100 of different models, so that the ultrasonic counting sensor can be fixed on the water, the universality is strong, the counting assembly 300 passes through the rotating water meter blade 101 in the water meter 100 through the ultrasonic wave sent by the ultrasonic wave transmitting transducer 301 and is received by the ultrasonic wave receiving transducer 302, the signal received by the ultrasonic wave receiving transducer 302 contains the disturbance of the rotation of the water meter blade 101 to the amplitude of the ultrasonic wave signal, the amplitude disturbance corresponds to the passing water meter blade 101, the signal is digitally processed and separated to form a pulse signal corresponding to the number of the blades passing the water meter blade 101, the controller 30506 analyzes the pulse signal to obtain accurate reading and displays the accurate reading through the display screen 30502, and the problem that the manual reading of the current mechanical water meter has artificial errors, only a start-stop method is used, and the testing time is long is solved; the photoelectric counting sensor is greatly influenced by bubbles on the dial plate of the wet water meter and has low reliability; the camera shooting collection can only use a start-stop method, the testing time is long, and if a commutator method or a flow time rule is adopted, the accuracy of the camera shooting system is difficult to trace.
As a preferred embodiment, the first button 30503 is pressed to connect the power source, the indicator light 30505 is turned on after being connected with the power source, the first button 30503 is pressed, the first button 30503 sends a signal to the controller 30506, the controller 30506 receives the signal and controls the ultrasonic transmitting transducer 301 to send ultrasonic waves, the ultrasonic waves sent by the ultrasonic transmitting transducer 301 pass through the water meter blade 101 rotating in the water meter 100, the water meter blade 101 rotates to disturb the amplitude of the ultrasonic wave signal, the amplitude disturbance corresponds to the passing water meter blade 101, the ultrasonic receiving transducer 302 receives the ultrasonic waves, the signal is digitally processed and separated to form a pulse signal corresponding to the number of blades passing through the water meter blade 101 and sent to the controller 30506, the controller 30506 analyzes the input signal and obtains flow data of the water meter 100 and sends a signal to the display screen 30502, and the display screen 30502 receives the signal and displays the flow data of the water meter 100, the problem that manual reading of the existing mechanical water meter has artificial errors, only a start-stop method is used, and the testing time is long is solved; the photoelectric counting sensor is greatly influenced by bubbles on the dial plate of the wet water meter and has low reliability; the camera shooting collection can only use a start-stop method, the testing time is long, and if a commutator method or a flow time rule is adopted, the accuracy of the camera shooting system is difficult to trace.
The embodiment of the invention is also realized by the following technical scheme.
Referring to fig. 1-8, in the embodiment of the present invention, the adjuster 205 includes an adjusting seat 2051, an adjusting rod 2052, an adjusting knob 2053, a first screw 2054 and a second screw 2055, the adjusting seat 2051 is disposed at the bottom of the water meter 100, a third through slot 205101 and a fourth through slot 205102 are sequentially disposed on a side of the adjusting seat 2051 close to the first clip 201, a first hole 205103 is disposed at the bottom of the adjusting seat 2051, a second hole 205104 is disposed on a side of an inner wall of the third through slot 205101, a third hole 205105 is disposed on a side of an inner wall of the fourth through slot 205102, the first hole 205103 is respectively communicated with the third through slot 205101 and the fourth through slot 205102, the adjusting rod 2052 is disposed inside the first hole 205103, the adjusting knob 2053 is mounted at one end of the adjusting rod 2052, the other end of the adjusting rod 2052 is rotatably connected to a top of the inner wall of the first through slot 205103, an outer wall of the first screw 2054 is connected to an inner wall of the second hole 205104, and an outer wall of the, the first rack 203 is inserted into the third through-slot 205101, the second rack 204 is inserted into the fourth through-slot 205102, tooth grooves are formed in the surfaces of the adjusting rod 2052, which are close to the first rack 203 and the second rack 204, and are engaged with the tooth grooves of the first rack 203 and the second rack 204, respectively, one end of the first screw 2054, which is close to the first rack 203, is in contact with one side of the first rack 203, which is far away from the adjusting rod 2052, and one end of the second screw 2055, which is close to the second rack 204, is in contact with one side of the second rack 204, which is far away from the adjusting rod 2052.
As a preferred embodiment, when the distance between the first clamping piece 201 and the second clamping piece 202 is adjusted to adapt to water meters 100 of different models, the first screw 2054 is rotated, the first screw 2054 is engaged with the inner wall of the second hole position 205104, the first screw 2054 is separated from the first rack 203, the first rack 203 is released, the second screw 2055 is rotated, the second screw 2055 is engaged with the inner wall of the third hole position 205105, the second screw 2055 is separated from the second rack 204, the second rack 204 is released, the adjusting knob 2053 is rotated, the adjusting knob 2053 drives the adjusting rod 2052 to rotate, the adjusting rod 2052 is engaged with the first rack 203 and the second rack 204 respectively, the first rack 203 and the second rack 204 are driven to move along the inner walls of the third through groove 205101 and the fourth through groove 205102 respectively, so as to achieve the effect of adjusting the distance between the first clamping piece 201 and the second clamping piece 202, after the first clamping piece 201 and the second clamping piece 202 are adjusted to proper positions, the first screw 2054 is rotated, the first screw 2054 is meshed with the inner wall of the second hole position 205104, the first screw 2054 is contacted with the first rack 203 to fix the first rack 203, the second screw 2055 is rotated, the second screw 2055 is meshed with the inner wall of the third hole position 205105, the second screw 2055 is contacted with the second rack 204 to fix the second rack 204, one end of the nylon tie 206 sequentially passes through the first through groove 20101 and the second through groove 20201 and is fixed with one end of the nylon tie 206, the ultrasonic counting sensor is conveniently fixed at the water meter 100, the fixing clamp 200 can adjust the size of the fixing clamp 200 according to water meters 100 of different models, the ultrasonic counting sensor can be suitable for water meters 100 of different models, and the universality of the ultrasonic counting sensor is enhanced.
Referring to fig. 1 to 10, the present invention further provides a working method of the ultrasonic counting sensor for testing a mechanical water meter, including the following steps:
s1, mounting, loosening the nylon cable tie 206, drawing out the nylon cable tie from the first through groove 20101 and the second through groove 20201, rotating an adjusting knob 2053, driving an adjusting rod 2052 to rotate by the adjusting knob 2053, driving a first rack 203 and a second rack 204 to slide in a third through groove 205101 and a fourth through groove 205102 by the engaging of the adjusting rod 2052 with the first rack 203 and the second rack 204 respectively, adjusting the depth of the first rack 203 and the second rack 204 inserted into the third through groove 205101 and the fourth through groove 205102 by rotating the adjusting knob 2053, so as to adjust the distance between the first clamping piece 201 and the second clamping piece 202, attaching the first clamping piece 201 and the second clamping piece 202 to the water meter 100, inserting the nylon cable tie 206 into the first through groove 20101 and the second through groove 20201, tightening and fixing the nylon cable tie 206, and clamping the fixing clamping piece 303 at the joint of the water meter 100;
s2, starting a power supply, pressing the first button 30503 to connect the power supply, and lighting the indicator light 30505 after connecting the power supply;
s3, testing, pressing the first button 30503, sending a signal to the controller 30506 by the first button 30503, after receiving the signal, the controller 30506 controlling the ultrasonic transmitting transducer 301 to send ultrasonic waves to the ultrasonic receiving transducer 302, after receiving the ultrasonic waves, the ultrasonic receiving transducer 302 sending the signal to the controller 30506, analyzing the input signal by the controller 30506 and obtaining flow data of the water meter 100, and sending the signal to the display screen 30502, and after receiving the signal, displaying the flow data of the water meter 100 by the display screen 30502.
Specifically, the distance between the first clamping piece 201 and the second clamping piece 202 is adjusted according to the model of the water meter 100 to adapt to water meters 100 of different models, the first screw 2054 is rotated, the first screw 2054 is meshed with the inner wall of the second hole position 205104, the first screw 2054 is separated from the first rack 203, the first rack 203 is loosened, the second screw 2055 is rotated, the second screw 2055 is meshed with the inner wall of the third hole position 205105, the second screw 2055 is separated from the second rack 204, the second rack 204 is loosened, the adjusting knob 2053 is rotated, the adjusting knob 2053 drives the adjusting rod 2052 to rotate, the adjusting rod 2052 is respectively meshed with the first rack 203 and the second rack 204 to drive the first rack 203 and the second rack 204 to respectively move along the inner walls of the third through groove 205101 and the fourth through groove 205102, so as to achieve the effect of adjusting the distance between the first clamping piece 201 and the second clamping piece 202, after the first clamping piece 201 and the second clamping piece 202 are adjusted to proper positions, rotating the first screw 2054, the first screw 2054 is meshed with the inner wall of the second hole position 205104, the first screw 2054 is contacted with the first rack 203 to fix the first rack 203, the second screw 2055 is rotated, the second screw 2055 is meshed with the inner wall of the third hole position 205105, the second screw 2055 is contacted with the second rack 204 to fix the second rack 204, one end of the nylon tie 206 sequentially passes through the first through groove 20101 and the second through groove 20201 and is fixed with one end of the nylon tie 206, the first button 30503 is pressed to be communicated with a power supply, the indicator light 30505 is lightened after being communicated with the power supply, the first button 30503 is pressed, the first button 30503 sends a signal to the controller 30506, the controller 30506 receives the signal and then controls the ultrasonic transmitting transducer 301 to send ultrasonic waves, the ultrasonic waves sent by the ultrasonic transmitting transducer 301 pass through the rotating water meter blade 101 in the water meter 100, the water meter blade 101 rotates to disturb the amplitude of the ultrasonic wave signal, and the disturbance of the amplitude of the water meter blade 101 corresponds to the passing through water meter, after the ultrasonic receiving transducer 302 receives ultrasonic waves, the signals are subjected to digital processing and separated to form pulse signals corresponding to the number of blades passing through the water meter blades 101, the pulse signals are sent to the controller 30506, the controller 30506 analyzes the input signals to obtain flow data of the water meter 100 and sends the flow data to the display screen 30502, and the flow data of the water meter 100 are displayed after the signals are received by the display screen 30502, so that the problems that manual reading of the current mechanical water meter has artificial errors, only a start-stop method can be used, and the testing time is long are solved; the photoelectric counting sensor is greatly influenced by bubbles on the dial plate of the wet water meter and has low reliability; the camera shooting collection can only use a start-stop method, the testing time is long, and if a commutator method or a flow time rule is adopted, the accuracy of the camera shooting system is difficult to trace.
It should be noted that the specific model specifications of the ultrasonic transmitting transducer 301, the ultrasonic receiving transducer 302, the display screen 30502, the second button 30504, and the controller 30506 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.
The power supply of the ultrasonic transmitting transducer 301, the ultrasonic receiving transducer 302, the display screen 30502, the second button 30504 and the controller 30506 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. Ultrasonic wave count sensor is used in mechanical water gauge test, its characterized in that includes:
the water meter comprises a water meter (1), wherein a water meter blade (101) is arranged inside the water meter (1);
a fixing clamp (200), the fixing clamp (200) comprising a first clamping piece (201), a second clamping piece (202), a first rack (203), a second rack (204), an adjuster (205) and a nylon cable tie (206);
the water meter comprises a water meter (100), a first clamping piece (201) and a second clamping piece (202), wherein the first clamping piece (201) is arranged on one side of the water meter (100), a first through groove (20101) is formed in one side of the first clamping piece (201), the second clamping piece (202) is arranged on the other side of the water meter (100), a second through groove (20201) is formed in one side of the second clamping piece (202), an adjuster (205) is arranged at the bottom of the water meter (100), one end of a first rack (203) is connected with one side, close to the second clamping piece (202), of the first clamping piece (201), the other end of the first rack (203) is connected to one side of the adjuster (205) in an inserting mode, one end of a second rack (204) is connected with one side, close to the first clamping piece (201), of the second clamping piece (202), the other end of the second rack (204) is connected to the other side of the adjuster (205) in an inserting mode, and the adjuster (205) inserts the first rack (203) and the second rack The depth of the knot device (205) is used for changing the distance between the first clamping piece (201) and the second clamping piece (202), and the nylon cable ties (206) are respectively inserted into the first through groove (20101) and the second through groove (20201);
a counting assembly (300), the counting assembly (300) comprising an ultrasonic transmitting transducer (301), an ultrasonic receiving transducer (302), a fixing clip (303), a fixing rod (304), a control device (305) and a cable (306);
wherein, ultrasonic emission transducer (301) set up in first clamping piece (201) is kept away from one side of water gauge (100), ultrasonic wave receiving transducer (302) set up in second clamping piece (202) is kept away from one side of water gauge (100), fixed clamping piece (303) install in the joint one side of water gauge (100), the one end of dead lever (304) with one side fixed connection of fixed clamping piece (303), the other end of dead lever (304) with the bottom fixed connection of controlling means (305), controlling means (305) pass through cable (306) respectively with ultrasonic emission transducer (301) with ultrasonic wave receiving transducer (302) communication connection.
2. The ultrasonic counting sensor for testing the mechanical water meter according to claim 1, wherein: the regulator (205) comprises a regulating seat (2051), a regulating rod (2052), a regulating knob (2053), a first screw rod (2054) and a second screw rod (2055), wherein the regulating seat (2051) is arranged at the bottom of the water meter (100), a third through groove (205101) and a fourth through groove (205102) are sequentially formed in one side, close to the first clamping piece (201), of the regulating seat (2051), a first hole site (205103) is formed in the bottom of the regulating seat (2051), a second hole site (205104) is formed in one side of the inner wall of the third through groove (205101), a third hole site (205105) is formed in one side of the inner wall of the fourth through groove (205102), the first hole site (205103) is respectively communicated with the third through groove (205101) and the fourth through groove (205102), the regulating rod (2052) is arranged inside the first through groove (205103), and the regulating knob (2053) is arranged at one end of the regulating rod (2052), the other end of the adjusting rod (2052) is rotatably connected with the top of the inner wall of the first hole site (205103), the outer wall of the first screw rod (2054) is in threaded connection with the inner wall of the second hole site (205104), and the outer wall of the second screw rod (2055) is in threaded connection with the inner wall of the third hole site (205105).
3. The ultrasonic counting sensor for testing the mechanical water meter according to claim 2, wherein: the first rack (203) is inserted into the third through groove (205101), the second rack (204) is inserted into the fourth through groove (205102), and one end surface of the adjusting rod (2052), which is close to the first rack (203) and the second rack (204), is provided with a tooth groove which is respectively meshed with the tooth grooves of the first rack (203) and the second rack (204).
4. The ultrasonic counting sensor for testing the mechanical water meter according to claim 3, wherein: one end, close to the first rack (203), of the first screw (2054) is in contact with one side, far away from the adjusting rod (2052), of the first rack (203), and one end, close to the second rack (204), of the second screw (2055) is in contact with one side, far away from the adjusting rod (2052), of the second rack (204).
5. The ultrasonic counting sensor for testing the mechanical water meter according to claim 1, wherein: controlling means (305) include control box (30501), display screen (30502), first button (30503), second button (30504), pilot lamp (30505) and controller (30506), control box (30501) with the other end fixed connection of dead lever (304), display screen (30502) set up in top one side of control box (30501), first button (30503), second button (30504) with pilot lamp (30505) set gradually in the top opposite side of control box (30501), controller (30506) set up in the inside of control box (30501).
6. The ultrasonic counting sensor for testing the mechanical water meter according to claim 5, wherein: the signal input part of controller (30506) respectively with the signal output part of second button (30504) with the signal output part communication connection of ultrasonic wave receiving transducer (302), the signal output part of controller (30506) respectively with the signal input part of display screen (30502) with the signal input part communication connection of ultrasonic wave transmitting transducer (301).
7. The ultrasonic counting sensor for testing the mechanical water meter according to claim 5, wherein: the first button (30503) is used for connecting and disconnecting the power supply of the ultrasonic counting sensor, and the indicator light (30505) is used for displaying the power supply connection state of the ultrasonic counting sensor.
8. The ultrasonic counting sensor for testing the mechanical water meter according to claim 1, wherein: the nylon cable tie (206) is a reusable cable tie.
9. The ultrasonic counting sensor for testing the mechanical water meter according to claim 1, wherein: ultrasonic wave transmitting transducer (301) with ultrasonic wave receiving transducer (302) are located same water gauge blade (101), ultrasonic wave transmitting transducer (301) with ultrasonic wave receiving transducer (302) are just right respectively.
10. A method for operating an ultrasonic counting sensor for testing a mechanical water meter according to any one of claims 1 to 9, wherein: the method comprises the following steps:
s1, mounting, loosening the nylon cable tie (206), drawing out from the first through groove (20101) and the second through groove (20201), rotating an adjusting knob (2053), wherein the adjusting knob (2053) drives an adjusting rod (2052) to rotate, the adjusting rod (2052) is respectively meshed with the first rack (203) and the second rack (204) to drive the first rack (203) and the second rack (204) to respectively slide in the third through groove (205101) and the fourth through groove (205102), adjusting the depth of the first rack (203) and the second rack (204) inserted into the third through groove (205101) and the fourth through groove (205102) by rotating the adjusting knob (2053), so as to adjust the distance between the first clamping piece (201) and the second clamping piece (202), enabling the first clamping piece (201) and the second clamping piece (202) to be attached to the water meter (100), inserting the nylon cable tie (206) into the first through groove (20101) and the second through groove (20201) and tightening and fixing the through groove (20201), clamping the fixed clamping piece (303) at the joint of the water meter (100);
s2, starting a power supply, pressing a first button (30503) to be connected with the power supply, and lighting an indicator light (30505) after being connected with the power supply;
s3, testing, pressing the first button (30503), sending a signal to the controller (30506) by the first button (30503), after receiving the signal, controlling the ultrasonic transmitting transducer (301) to send ultrasonic waves to the ultrasonic receiving transducer (302) by the controller (30506), after receiving the ultrasonic waves by the ultrasonic receiving transducer (302), sending the signal to the controller (30506), analyzing the input signal by the controller (30506), obtaining flow data of the water meter (100), and sending the signal to the display screen (30502), and after receiving the signal, displaying the flow data of the water meter (100) by the display screen (30502).
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