CN213398447U - Detection device for measuring pressure maintaining time of tobacco filling value tester - Google Patents
Detection device for measuring pressure maintaining time of tobacco filling value tester Download PDFInfo
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- CN213398447U CN213398447U CN202022532568.1U CN202022532568U CN213398447U CN 213398447 U CN213398447 U CN 213398447U CN 202022532568 U CN202022532568 U CN 202022532568U CN 213398447 U CN213398447 U CN 213398447U
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Abstract
A detection device for measuring the pressure maintaining time of a tobacco filling value tester comprises a current transmitter, a controller, a switch power supply, a display screen, a power supply access port, a power supply output port and a shell. By utilizing the device, the current change of the tobacco filling value determinator in the testing process can be monitored, each current mutation point can be automatically and accurately identified, timing is started and completed at the corresponding mutation point, and the pressure maintaining time is measured according to the timing, so that whether the tobacco filling determinator meets the standard of the pressure maintaining time or not is judged. The utility model discloses well device simple structure, control is convenient, and can get rid of the human factor, has higher measurement accuracy and reliability, applicable in the detection of different producer tobacco filling value apparatus dwell time, also is applicable to by motor drive's structure and the similar instrument dwell time's of principle detection, like pipe tobacco elasticity apparatus etc..
Description
Technical Field
The utility model discloses be applied to the detection of filling value apparatus dwell time, specifically be a measure tobacco filling value apparatus dwell time's detection device, and provide the use the utility model discloses the device carries out the method that detects.
Background
The tobacco filling value tester is used for detecting the filling capacity of tobacco in the tobacco industry, the tester drives a press head to press down through a motor, a specified pressure is applied to a tobacco sample, the pressure is kept for a certain time, namely, the pressure maintaining time, the height of the tobacco shred surface is reduced along with the increase of the time under the action of the pressure, the pressure application is finished, the height of the tobacco shred surface after the pressure application is measured, and finally the filling value is calculated. The accuracy of the dwell time is an important parameter for checking whether the instrument is qualified or not
At present, the pressure maintaining time of a measuring instrument for detecting the tobacco filling value is controlled by a controller of the instrument, the timing precision of the controllers of the measuring instruments for detecting the tobacco filling value produced by different manufacturers is different, and a measuring person is required to detect the timing precision of the measuring instruments, so that the measuring instruments meet the standard of the pressure maintaining time, and the reliability of the detection result of the tobacco filling value is ensured. At present, the method for detecting the pressure maintaining time mainly depends on a detector to observe the action of an instrument and the position of a pressure head, operates a stopwatch for timing, is influenced by environment and human factors, and is easy to cause inaccurate measurement of the pressure maintaining time.
Disclosure of Invention
The utility model aims at solving the above problem, provide a measure tobacco and fill value apparatus's dwell time's detection device, the device is through the change of detecting tobacco and fill value apparatus operation electric current come the timing initial point and the ending point of deciding exerting pressure, then calculate dwell time.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a detection apparatus for be used for measuring tobacco filling value apparatus dwell time, including current transducer, a controller, switching power supply, a display screen, the power access mouth, power delivery outlet and shell, wherein, current transducer, a controller, switching power supply sets up inside the shell, a display screen, the power access mouth, the equal embedded installation of power delivery outlet is on the shell, the power access mouth is used for external 220V power, power delivery outlet links to each other with the power supply mouth of tobacco filling value apparatus, provide the power for the normal work of tobacco filling value apparatus.
The switch power supply is a variable voltage and current device for changing alternating current into direct current; the switching power supply converts 220V alternating current into direct current to provide direct current power supply for the controller, the display screen and the current transducer.
The power output port is in series connection with the current transducer and the power input port on the circuit.
The detection device supplies power to the tobacco filling value tester through the current transmitter, the current transmitter collects the current value of the tobacco filling value tester in real time, the signal output end of the current transmitter is connected with the controller to transmit the current value of the tobacco filling value tester in real time, and the controller transmits a data signal to the display screen to display the current value of the tobacco filling value tester in real time
The power supply input port provides 220V alternating current for the tobacco filling value tester through the current transducer and the power supply output port.
Utilize the utility model discloses a detection device measures method of tobacco filling value apparatus dwell time is that the electric current transducer through among the detection device detects out the electric current real-time variation of tobacco filling value apparatus, each electric current mutation point of automatic accurate discernment to begin timing and end timing at corresponding mutation point, measure the dwell time according to this, as the index whether qualified (up to standard) of judgement tobacco filling value apparatus dwell time.
The working mechanism of the method is as follows: the pressure head can move up and down under the drive of the motor during the test of the tobacco filling value tester, the starting of the motor can cause the current value to become large each time, the current value has an upward sudden change, the motor can cause the current value to become small each time when the motor stops moving, the current value has a downward sudden change, and the controller of the detection device enters a preparation state according to the sudden change point of the current and times, so that the pressure maintaining time of the tobacco filling value tester is detected.
The utility model has the outstanding characteristics of providing a detection device for measuring the pressure maintaining time of a tobacco filling value tester, having simple structure and convenient control, and being capable of eliminating human factors and improving the accuracy and the reliability of measurement. The detection device is also suitable for detecting the pressure holding time of instruments which are driven by a motor and have similar structures and principles, such as a tobacco shred elasticity tester and the like.
The utility model has the advantages that: the pressure head of the tobacco filling value tester starts moving and stops moving at the moment, the current of the tester changes suddenly instantly, the detection device can accurately identify the current mutation and is used as a starting point and an end point of timing, and the detected pressure maintaining time is scientific and accurate, has small error and has good repeatability.
Drawings
Figure 1 is a schematic view of the device of the present invention,
in fig. 1, 1-shell, 2-display screen, 3-power input port, 4-power output port, 5, controller, 6-switching power supply, 7-current transducer, 8-tobacco filling value tester.
Figure 2 is a timing diagram of the apparatus,
in FIG. 2, the 9-current up ramp, 10-current down ramp, 11-current up ramp, and 12-dwell time period.
Figure 3 is a schematic diagram of the circuit of the device,
in fig. 3, a 220V power supply input port is electrically connected to provide a 220V power supply for a switching power supply, the switching power supply provides a direct current for a controller, a display screen and a current transmitter, the power supply input port is in a series connection with the current transmitter, a power supply output port and a filling value measuring instrument in a circuit, the power supply input port provides a 220V alternating current for the filling value measuring instrument through the current transmitter and the power supply output port, a current signal detected by the current transmitter is transmitted to the controller, and the controller displays a result on the display screen.
Detailed Description
The utility model discloses following the component of combining the device and relation of connection do further detailed description with the attached drawing:
as shown in fig. 1 and 3: the utility model provides a detection apparatus for be used for measuring tobacco filling value apparatus dwell time, including current transducer 7, a controller 5, switching power supply 6, display screen 2, power access mouth 3, power output port 4 and shell 1, wherein, current transducer 7, a controller 5, switching power supply 6 sets up inside shell 1, display screen 2, power access mouth 3, power output port 4 is all embedded to be installed on shell 1, power access mouth 3 is used for external 220V power, power output port 4 links to each other with the power port of tobacco filling value apparatus 8, provide the power for the normal work of tobacco filling value apparatus. Power input port 3 is connected with the 220V power, switching power supply 6 is the alternating current to direct current's vary voltage conversion dc-to-ac converter, with 220V's alternating current conversion dc-to-ac converter, for controller 5, display screen 2, current transmitter 7 provides dc power supply, tobacco filling value apparatus 8's power cord inserts power delivery outlet 4, power delivery outlet 4 and current transmitter 7, power input port 3 is the series relation on the circuit, the utility model discloses detection device supplies power for tobacco filling value apparatus 8 through current transmitter 7, current transmitter 7 is used for gathering the current value of tobacco filling value apparatus 8 in real time, current transmitter 7's signal output part links to each other with controller 5, the current value of real-time transmission tobacco filling value apparatus, the current value of display screen 2 real-time display tobacco filling value apparatus.
The working process is described in the following with the attached drawings:
the power supply input port 3 of the detection device is connected with a 220V power supply, the power line of the tobacco filling value tester 8 is inserted into the power supply output port 4 of the detection device, and at the moment, the detection device and the tobacco filling value tester 8 are both electrified and work normally.
When the tobacco filling value measuring instrument 8 starts to test, the pressure head moves downwards under the driving of the motor, the current transducer detects that the current value of the tobacco filling value measuring instrument is increased instantly, a current upward mutation point 9 is arranged as shown in figure 2, and the controller 5 starts to enter a preparation state when the current upward mutation point 9 is detected.
When the pressure head of the tobacco filling value determinator 8 is pressed down to a designated position, the motor stops moving, the current value is instantly reduced, a current downward mutation point 10 exists, and when the current downward mutation point 10 is detected, the controller 5 starts timing.
When the pressure maintaining time of the pressure head of the tobacco filling value measuring instrument 8 is finished within 30 seconds, the motor drives the pressure head to move upwards, the current value is increased instantly, a current upwards mutation point 11 exists, and the controller 5 finishes timing when the current upwards mutation point 11 is detected.
After the controller 5 finishes timing, the pressure maintaining time 12 of the tobacco filling value tester is calculated, and the record is displayed on the display screen, and the speed measurement is finished.
And judging whether the pressure maintaining time of the tobacco filling value tester is accurate or not by comparing the obtained pressure maintaining time 12 with the standard pressure maintaining time, and accordingly, checking whether the tester is qualified or not.
Claims (7)
1. The utility model provides a detection device for measuring tobacco filling value apparatus dwell time which characterized in that: the detection device comprises a current transmitter, a controller, a switch power supply, a display screen, a power supply access port, a power supply output port and a shell, wherein the current transmitter, the controller and the switch power supply are arranged inside the shell, the display screen, the power supply access port and the power supply output port are arranged on the shell, the power supply access port is used for being externally connected with a 220V power supply, the power supply output port is connected with a power supply port of the tobacco filling value determinator, and a power supply is provided for normal work of the tobacco filling value determinator.
2. The detecting device for measuring dwell time of a tobacco filling value measuring instrument according to claim 1, characterized in that: the switch power supply is an alternating current-to-direct current variable voltage and current device.
3. The detection device for measuring dwell time of a tobacco filling value determinator according to claim 1 or 2, characterized in that: the switching power supply converts 220V alternating current into direct current to provide direct current power supply for the controller, the display screen and the current transducer.
4. The detecting device for measuring dwell time of a tobacco filling value measuring instrument according to claim 1, characterized in that: the power output port is in series connection with the current transducer and the power input port on the circuit.
5. The detecting device for measuring dwell time of a tobacco filling value measuring instrument according to claim 1, characterized in that: the detection device supplies power to the tobacco filling value tester through the current transmitter, the current transmitter collects the current value of the tobacco filling value tester in real time, the signal output end of the current transmitter is connected with the controller, the current value of the tobacco filling value tester is transmitted in real time, and the controller transmits a data signal to the display screen to display the current value of the tobacco filling value tester in real time.
6. The detection device for measuring dwell time of a tobacco filling value determinator according to claim 1 or 4 or 5, characterized in that: the power supply input port provides 220V alternating current for the tobacco filling value tester through the current transducer and the power supply output port.
7. The detecting device for measuring dwell time of a tobacco filling value measuring instrument according to claim 1, characterized in that: the display screen, the power supply access port and the power supply output port are all installed on the shell in an embedded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022532568.1U CN213398447U (en) | 2020-11-05 | 2020-11-05 | Detection device for measuring pressure maintaining time of tobacco filling value tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022532568.1U CN213398447U (en) | 2020-11-05 | 2020-11-05 | Detection device for measuring pressure maintaining time of tobacco filling value tester |
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| Publication Number | Publication Date |
|---|---|
| CN213398447U true CN213398447U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022532568.1U Active CN213398447U (en) | 2020-11-05 | 2020-11-05 | Detection device for measuring pressure maintaining time of tobacco filling value tester |
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| Country | Link |
|---|---|
| CN (1) | CN213398447U (en) |
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2020
- 2020-11-05 CN CN202022532568.1U patent/CN213398447U/en active Active
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