CN212432913U - Timing device for automatically recording time during checking and calibration of pavement water seepage instrument - Google Patents
Timing device for automatically recording time during checking and calibration of pavement water seepage instrument Download PDFInfo
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- CN212432913U CN212432913U CN202020750676.3U CN202020750676U CN212432913U CN 212432913 U CN212432913 U CN 212432913U CN 202020750676 U CN202020750676 U CN 202020750676U CN 212432913 U CN212432913 U CN 212432913U
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Abstract
The utility model relates to a timing device for automatically recording time in checking and calibration of a pavement water seepage instrument, which belongs to the technical field of pavement water seepage inspection technology, and comprises a measuring cylinder, wherein the measuring cylinder is arranged on an upper seat, the bottom of the measuring cylinder is communicated with a connecting pipe, the bottom end of the connecting pipe is communicated with a base, a bracket is arranged between the base and the upper seat, the bottom of the base is provided with a communicating cavity, the connecting pipe is provided with a solenoid valve, a floating plate floating on the water surface is placed in the measuring cylinder, the top of the measuring cylinder is provided with a top cover, and the bottom surface of the top cover is provided with; the infrared distance measuring device is characterized by further comprising a control device, wherein the control device comprises a first microprocessor and a timer, the electromagnetic valve and the timer are connected with the first microprocessor, and the first microprocessor is connected with the infrared distance measuring sensor. The utility model discloses have the automatic timing, reduce the effect because of the calculation error of the infiltration coefficient that staff's operation arouses.
Description
Technical Field
The utility model belongs to the technical field of the technique of road surface infiltration nature inspection and specifically relates to a timing device of school automatic recording time is examined to road surface infiltration appearance.
Background
The pavement water seepage instrument is suitable for measuring the water seepage coefficient of the asphalt mixture pavement and the asphalt mixture test piece formed by rolling. The water seepage performance of the road surface and the mix proportion of the asphalt mixture are tested.
The utility model discloses a have now that the publication number of granting is CN 208366797U's chinese utility model patent discloses a road surface infiltration appearance, including graduated flask, seat of honour, takeover, base and counter weight, the graduated flask setting is on the seat of honour, and the base supports the seat of honour through a support, and the graduated flask lower extreme is connected with the connecting pipe, is provided with the valve on the connecting pipe, is provided with the time-recorder on the valve. The lower end of the connecting pipe is connected with the base, a connecting cavity is arranged in the base, and a sealing gasket is detachably connected below the base. When measuring road surface infiltration coefficient, place the sealed pad to waiting to measure the point and compaction, detection device places sealed pad top, and base and sealed pad sealing connection, the balancing weight is placed above the base. The measuring cylinder is filled with water, the water enters the connecting cavity through the connecting pipe, and the timer is started to time the water seepage process after the liquid is stable, so that the detection of the water seepage property of the pavement can be achieved.
The above prior art solutions have the following drawbacks: when the road surface water seepage coefficient is detected, the timer is started by manually observing the liquid level change, and certain errors exist in measured data due to human visual errors and reaction time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a timing device of school automatic recording time is examined to road surface infiltration appearance, has the automatic timing, reduces the effect because of the calculation error of the infiltration coefficient that staff's operation arouses.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a timing device of school automatic recording time is examined to road surface infiltration appearance, includes the graduated flask, and the graduated flask setting is on the seat of honour, and graduated flask bottom intercommunication has the takeover, and takeover bottom intercommunication sets up the support between base and the seat of honour on the base, and there is the intercommunication chamber base bottom, is equipped with the solenoid valve on the takeover, place in the graduated flask and float in the showy board of the surface of water, the graduated flask top sets up the top cap, and the top cap bottom surface is provided with the infrared ranging sensor who shoves the board directly, still includes controlling means, controlling means includes first microprocessor and time-recorder, and solenoid valve, time-recorder all are connected with first microprocessor, and first microprocessor is connected with infrared ranging.
Through adopting above-mentioned technical scheme, with sealed between the base of road surface infiltration appearance and the bottom surface, intercommunication chamber and road surface intercommunication add water in the graduated flask, cover the top cap, float the board and float on the surface of water. And opening the electromagnetic valve, and allowing the water in the measuring cylinder to flow into the communication cavity through the connecting pipe and permeate into the ground. When the infrared distance measuring sensor senses that the floating plate reaches two preset liquid levels, the first microprocessor enables the timer to respectively start and end timing to obtain the time of liquid level change, and the electromagnetic valve is closed. The first microprocessor can calculate the water seepage coefficient according to the water seepage volume and time of the pavement water seepage instrument to the pavement. The pavement water seepage meter automatically counts time, reduces the errors of human visual errors and reaction time on obtained data, and improves the measurement accuracy of the water seepage coefficient.
The present invention may be further configured in a preferred embodiment as: the infrared ranging sensor is positioned on the center of the top cover, the diameter of the floating plate is larger than or equal to the radius of the measuring cylinder, and the diameter of the floating plate is smaller than or equal to the diameter of the measuring cylinder.
By adopting the technical scheme, when the floating plate floats on the water surface, the floating plate always covers the axis of the measuring cylinder, and the infrared distance measuring sensor can always sense the position of the floating plate.
The present invention may be further configured in a preferred embodiment as: the electromagnetic valve is a wireless electromagnetic valve, and the wireless electromagnetic valve is in wireless communication connection with the control device.
By adopting the technical scheme, the control device wirelessly controls the on-off of the electromagnetic valve, and the circuit is simplified.
The present invention may be further configured in a preferred embodiment as: the electromagnetic valve comprises a valve coil, a power switch, a second microprocessor and a second wireless communication module which are connected in sequence, the first microprocessor is connected with the first wireless communication module, and the second wireless communication module is in wireless communication connection with the first wireless communication module.
By adopting the technical scheme, when the first microprocessor sends an instruction for controlling the opening or closing of the electromagnetic valve, the first microprocessor transmits information to the second wireless communication module through the first wireless communication module, the second microprocessor obtains the information through the second wireless communication module, the second microprocessor controls the power switch, and the power switch controls the valve coil to open or close the electromagnetic valve.
The present invention may be further configured in a preferred embodiment as: the alarm device also comprises an audible and visual alarm which is connected with the first microprocessor.
By adopting the technical scheme, when the timer starts timing and finishes timing, the audible and visual alarm gives an alarm, so that an operator can feed back the working state of the pavement water seepage instrument.
The present invention may be further configured in a preferred embodiment as: the timer also comprises a storage module connected with the first microprocessor and used for storing the starting time and the stopping time of the timer.
By adopting the technical scheme, the storage module stores the data obtained by testing the pavement water seepage instrument, so that the historical data can be conveniently inquired in the follow-up process.
The present invention may be further configured in a preferred embodiment as: the water seepage device also comprises a display module connected with the first microprocessor and used for displaying the measured water seepage coefficient.
By adopting the technical scheme, after the water seepage test of a road surface is finished, the water seepage coefficient is directly calculated by the first microprocessor and is displayed on the display module, so that an operator can conveniently inquire data to obtain information.
The present invention may be further configured in a preferred embodiment as: the wireless communication module is connected with the first microprocessor and used for sending the measured water seepage coefficient to the terminal.
By adopting the technical scheme, the wireless communication module sends the water seepage coefficient to the terminal, so that an operator can conveniently record and inquire data.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the time recorder records the time when the infrared distance measuring sensor senses that the floating plate reaches two preset scales, the water seepage coefficient is calculated according to the ratio of the water seepage volume to the time, the pavement water seepage meter automatically counts time, the errors of human visual errors and reaction time on obtained data are reduced, and the measurement accuracy of the water seepage coefficient is improved;
2. when the floating plate floats on the water surface, the floating plate always covers the axis of the measuring cylinder, and the infrared distance measuring sensor can always sense the position of the floating plate.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a block diagram of the present invention.
In the figure, 1, a measuring cylinder; 2. an upper seat; 3. a support; 4. taking over a pipe; 5. a base; 51. a communicating cavity; 6. an electromagnetic valve; 61. a valve coil; 62. a power switch; 63. a second microprocessor; 64. a second wireless communication module; 7. a top cover; 8. an infrared ranging sensor; 81. an information processing module; 9. a floating plate; 10. a control device; 101. a first microprocessor; 102. a timer; 103. a storage module; 104. a key module; 105. a display module; 106. a first wireless communication module; 107. a power supply module; 11. an alarm; 12. and (4) a terminal.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a timing device of automatic record time of school is examined to road surface infiltration appearance, including graduated flask 1, seat of honour 2, support 3, takeover 4 and base 5, graduated flask 1 sets up on seat of honour 2, and 1 bottom intercommunication of graduated flask is taken over 4, has solenoid valve 6 on takeover 4, and 4 bottom intercommunications of takeover are on base 5, and support 3 sets up between seat of honour 2 and base 5, make seat of honour 2 support on base 5, and there is intercommunication chamber 51 base 5 bottom. When the road surface water seepage detection is carried out, the sealing material is arranged between the base 5 and the road surface, so that the base 5 is fixed on the road surface. The pavement seepage meter is controlled by the control device 10, the opening and the automatic closing of the pavement seepage meter are controlled, and the water seepage coefficient obtained by the test is displayed.
The measuring cylinder 1 is provided with scales on the cylinder body, the measuring range is 600ml, the scale on the upper end is small, and the scale on the lower end is large. The top of graduated flask 1 sets up top cap 7, and when top cap 7 covered on graduated flask 1, there was certain distance between top cap 7 and the zero scale mark.
The center of the bottom surface of the top cover 7 is provided with an infrared distance measuring sensor 8 which is directly projected into the measuring cylinder 1, the top surface of the top cover 7 is provided with an interface of the infrared distance measuring sensor 8, and the interface of the infrared distance measuring sensor 8 is connected with a control device 10 through a signal line. A circular floating plate 9 is arranged in the measuring cylinder 1, and when water is in the measuring cylinder 1, the floating plate 9 floats on the water surface and changes position along with the change of the water quantity in the measuring cylinder 1. The infrared distance measuring sensor 8 measures the distance between the position (the top of the measuring cylinder 1) where it is located and the floating plate 9. The diameter of the floating plate 9 is not smaller than the radius of the measuring cylinder 1 and not larger than the diameter of the measuring cylinder 1, so that when the floating plate 9 floats on the water surface, the infrared distance measuring sensor 8 emits infrared rays downwards and can always receive the infrared rays reflected by the floating plate 9. The infrared range sensor 8, which may be model GP2Y0a21, outputs a voltage analog that has a non-linear relationship that is inversely proportional to the measured distance.
The control device 10 comprises a first microprocessor 101, the infrared ranging sensor 8 is connected with the first microprocessor 101 through an information processing module 81, the information processing module 81 performs amplification filtering and analog-to-digital conversion processing on an analog signal output by the infrared ranging sensor 8 and transmits the analog signal to the first microprocessor 101, and the first microprocessor 101 judges whether the received signal is compared with a preset numerical value and judges whether the liquid level reaches a first preset scale value and a second preset scale value.
The solenoid valve 6 includes a valve coil 61, and a power switch 62 connected to the valve coil 61. The electromagnetic valve 6 is provided with a second microprocessor 63, the second microprocessor 63 is an 8086 microprocessor, and the second microprocessor 63 is connected with a second wireless communication module 64. The electromagnetic valve 6 is connected with a power supply which supplies power to the electromagnetic valve 6. The control device 10 further includes a first wireless communication module 106, and the second wireless communication module 64 communicates with the first wireless communication module 106.
The control device 10 further comprises a timer 102, the timer 102 being connected to the first microprocessor 101. When the first microprocessor 101 determines that the floating plate 9 reaches a first preset scale value (for example, 100 ml), the first microprocessor 101 starts the timer 102 to count time; along with the decrease of the water level, when the first microprocessor 101 determines that the floating plate 9 reaches a second preset scale value (for example, 500 ml), the first microprocessor 101 stops timing by the timer 102, and at the same time, the first microprocessor 101 transmits information to the second microprocessor 63 through the first wireless communication module 106, the second microprocessor 63 controls the power switch 62, and the power switch 62 controls the electromagnetic valve 6 to close.
If the infrared ranging sensor 8 does not detect that the floating plate 9 reaches the second preset scale value of 500ml for a long time, the timer 102 counts the time to reach 3 minutes, the first microprocessor 101 and the second microprocessor 63 communicate through bluetooth, the second microprocessor 63 closes the electromagnetic valve 6, and the infrared ranging sensor 8 sends the liquid level of the floating plate 9 to the first microprocessor 101 through the information processing module 81.
When the timer 102 starts and ends timing, the liquid level difference where the floating plate 9 is located is the volume of water permeating into the road surface, the first microprocessor 101 calculates the water permeation coefficient according to the ratio of the water permeation volume to the water permeation time obtained by the timer 102,
the first microprocessor 101 is further connected to a storage module 103, and the storage module 103 records history data.
The control device 10 is provided with a key module 104, the model of the key module 104 is JRM1403, the key module 104 is connected with the first microprocessor 101, the key module 104 comprises an opening key and a stopping key, and the control device 10 is in wireless connection with the electromagnetic valve 6 through the second wireless communication module 64. When an open key is pressed, the control device 10 sends a signal to the electromagnetic valve 6, the electromagnetic valve 6 is opened, and water in the measuring cylinder 1 begins to permeate; when the liquid level of the infrared detection measuring cylinder 1 reaches 500ml, the control device 10 sends a signal to the electromagnetic valve 6, and the electromagnetic valve 6 is closed. If the water seepage on the road surface is less and the liquid level does not drop for a long time, the stop key can be pressed, so that the electromagnetic valve 6 is closed in advance to finish the detection.
The control device 10 is provided with an alarm 11, the alarm 11 is an audible and visual alarm, and the type of the alarm 11 is AT 011. The alarm 11 is connected with the first microprocessor 101, when the timer 102 starts to count time and stops counting time, the audible and visual alarm flickers and gives an alarm to prompt the start and the end of the test operation.
The control device 10 further includes a display module 105, the display module 105 is a liquid crystal display, the first microprocessor 101 is connected to the display module 105, and the display module 105 displays the water permeability coefficient calculated by the first microprocessor 101.
The control device 10 further comprises a power module 107, the power module 107 is an AC-DC power module, and the power module 107 is connected to the first microprocessor 101. The power module 107 is also connected to other modules in the control device 10 to supply power to the various modules in the control device 10.
The first wireless communication module 106, the first wireless communication module 106 sends the water permeability coefficient obtained each time to the terminal 12. The data can be conveniently checked and received by the staff and can be stored in time.
The implementation principle of the embodiment is as follows: install road surface infiltration appearance on the road surface, fill water in graduated flask 1, press the key of opening of button module 104, solenoid valve 6 opens, and the liquid level descends, and after the intercommunication chamber 51 between base 5 and the road surface was filled with water, press the stop key of button module 104, solenoid valve 6 closed, fills graduated flask 1 with, covers top cap 7.
When a start key is pressed, the control device 10 opens the electromagnetic valve 6, the liquid level descends, when the infrared distance measuring sensor 8 senses that the floating plate 9 reaches 100ml of scales, a signal is sent to the control device 10, and the control device 10 enables the timer 102 to start timing; when the infrared distance measuring sensor 8 senses that the floating plate 9 reaches 500ml scales, a signal is sent to the control device 10, the control device 10 stops timing of the timer 102, and meanwhile data of the timer 102 are sent to the storage module 103.
If the amount of water seeping from the road surface is small, the liquid level in the cylinder 1 does not drop for a long time, that is, does not reach the 500ml scale mark for a long time, and therefore the timer is triggered 3 minutes later, and the control device 10 closes the electromagnetic valve 6.
The control device 10 displays the liquid level change volume, the water seepage time and the calculated water seepage coefficient on the display module 105, and simultaneously transmits the data to the terminal 12 through the first wireless communication module 106.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a road surface infiltration appearance is examined school and is made time-recorder of note, includes graduated flask (1), graduated flask (1) sets up on seat of honour (2), and graduated flask (1) bottom intercommunication has takeover (4), and takeover (4) bottom intercommunication sets up support (3) between base (5) and seat of honour (2) on base (5), and there is intercommunication chamber (51) base (5) bottom, is equipped with solenoid valve (6) on takeover (4), its characterized in that: a floating plate (9) floating on the water surface is placed in the measuring cylinder (1), a top cover (7) is arranged at the top of the measuring cylinder (1), and an infrared distance measuring sensor (8) directly irradiating the floating plate (9) is arranged at the bottom surface of the top cover (7); the infrared distance measuring device is characterized by further comprising a control device (10), wherein the control device (10) comprises a first microprocessor (101) and a timer (102), the electromagnetic valve (6) and the timer (102) are both connected with the first microprocessor (101), and the first microprocessor (101) is connected with the infrared distance measuring sensor (8).
2. The timing device for automatically recording time during calibration of the pavement seepage meter according to claim 1, which is characterized in that: the infrared ranging sensor (8) is located at the circle center of the top cover (7), the diameter of the floating plate (9) is larger than or equal to the radius of the measuring cylinder (1), and the diameter of the floating plate (9) is smaller than or equal to the diameter of the measuring cylinder (1).
3. The timing device for automatically recording time during calibration of the pavement seepage meter according to claim 1, which is characterized in that: the electromagnetic valve (6) is a wireless electromagnetic valve, and the wireless electromagnetic valve is in wireless communication connection with the control device (10).
4. The timing device for automatically recording time during calibration of the pavement seepage meter according to claim 3, characterized in that: the electromagnetic valve (6) comprises a valve coil (61), a power switch (62), a second microprocessor (63) and a second wireless communication module (64) which are sequentially connected, the first microprocessor (101) is connected with the first wireless communication module (106), and the second wireless communication module (64) is in wireless communication connection with the first wireless communication module (106).
5. The timing device for automatically recording time during calibration of the pavement seepage meter according to claim 1, which is characterized in that: the control device (10) further comprises an alarm (11), and the alarm (11) is connected with the first microprocessor (101).
6. The timing device for automatically recording time during calibration of the pavement seepage meter according to claim 1, which is characterized in that: the control device (10) further comprises a storage module (103) connected with the first microprocessor (101) and used for storing the starting and stopping time of the timer (102).
7. The timing device for automatically recording time during calibration of the pavement seepage meter according to claim 1, which is characterized in that: the control device (10) further comprises a display module (105) connected with the first microprocessor (101) and used for displaying the measured water permeability coefficient.
8. The timing device for automatically recording time during calibration of the pavement seepage meter according to claim 1, which is characterized in that: the control device (10) further comprises a first wireless communication module (106) connected with the first microprocessor (101) and used for sending the measured water permeability coefficient to the terminal (12).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020750676.3U CN212432913U (en) | 2020-05-08 | 2020-05-08 | Timing device for automatically recording time during checking and calibration of pavement water seepage instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020750676.3U CN212432913U (en) | 2020-05-08 | 2020-05-08 | Timing device for automatically recording time during checking and calibration of pavement water seepage instrument |
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| CN212432913U true CN212432913U (en) | 2021-01-29 |
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| CN202020750676.3U Active CN212432913U (en) | 2020-05-08 | 2020-05-08 | Timing device for automatically recording time during checking and calibration of pavement water seepage instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899674A (en) * | 2021-09-30 | 2022-01-07 | 中路交科检测技术有限公司 | Pavement water seepage performance detection device and detection method thereof |
| WO2022262011A1 (en) * | 2021-06-18 | 2022-12-22 | 苏交科集团股份有限公司 | High-precision pavement water seepage measurement apparatus |
-
2020
- 2020-05-08 CN CN202020750676.3U patent/CN212432913U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022262011A1 (en) * | 2021-06-18 | 2022-12-22 | 苏交科集团股份有限公司 | High-precision pavement water seepage measurement apparatus |
| CN113899674A (en) * | 2021-09-30 | 2022-01-07 | 中路交科检测技术有限公司 | Pavement water seepage performance detection device and detection method thereof |
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Address after: 310013 No. 705, dalongjuwu, Xihu District, Hangzhou, Zhejiang Patentee after: ZHEJIANG TRAFFIC DETECTION CO.,LTD. Address before: Room 1042, 369 Wensan Road, Hangzhou, Zhejiang 310013 Patentee before: ZHEJIANG TRAFFIC DETECTION CO.,LTD. |