CN210572308U - Portable calibration device applied to paper detection instrument - Google Patents
Portable calibration device applied to paper detection instrument Download PDFInfo
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- CN210572308U CN210572308U CN201920750192.6U CN201920750192U CN210572308U CN 210572308 U CN210572308 U CN 210572308U CN 201920750192 U CN201920750192 U CN 201920750192U CN 210572308 U CN210572308 U CN 210572308U
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Abstract
The utility model discloses a be applied to paper detecting instrument's portable calibrating device, include: the system comprises an ARM processing module, an AD conversion module, a touch screen, a channel switching module and a sensing module; the sensing module comprises a weighing sensor and an oil pressure sensor and is used for collecting the actual detection value of a detection instrument, and the detection instrument comprises a compressor and a burst tester; the AD conversion module is used for receiving the actual detection value and converting the actual detection value into a digital signal; the ARM processing module is in communication connection with the AD conversion module, the ARM processing module is used for calculating an actual parameter value of the detection instrument according to an actual detection value, and the actual parameter value is used for calibrating the detection instrument so as to correct a current parameter value of the detection instrument; the touch screen is used for detecting the operation and display of the instrument calibration process; the channel switching is used for switching between a calibration channel of the compressor and a calibration channel of the burst gauge. The utility model has the technical characteristics of simple structure easily carries, multi-functional compatibility is good, the calibration is high-efficient, easy operation.
Description
Technical Field
The utility model belongs to the technical field of paper detecting instrument calibrates, especially, relate to a be applied to paper detecting instrument's portable calibrating device.
Background
At present, in the field of detection of packaging and papermaking industries, corrugated paper boxes and raw materials thereof must be detected for physical performance indexes, such as the corrugated board is required to be detected for edge crush strength, burst strength, adhesive strength, flat crush strength and other items; the boxboard is required to detect items such as quantitative, tightness, transverse ring crush index (ring crush strength divided by quantitative), bursting strength index (bursting strength divided by quantitative), transverse folding endurance, water absorption and the like; corrugated raw paper is required to detect items such as quantitative, tightness, transverse ring crush index, longitudinal fracture length, water absorption, delivery moisture and the like.
The compression apparatus has 6 test modes, and can measure the ring crush strength (ring crush index) of the base paper, the edge crush strength, the bonding strength and the flat crush strength of the corrugated board. The bursting strength instrument comprises a paper bursting strength instrument and a paperboard bursting strength instrument which are two types: the paperboard burst is the burst performance of all corrugated boards and hardboards in a certain range; paper burst is a measure of the burst performance of paper over a range. Therefore, the compressor and the bursting strength tester are necessary detection equipment for cartons and downstream production enterprises thereof. The detection instrument must be calibrated periodically or aperiodically to ensure the accuracy of the instrument.
In the prior art, the calibrating device has the following technical defects that the structure is complex and is not easy to carry, and one set of device cannot be compatible with the calibration of two instruments, namely a compression instrument and a burst tester, simultaneously, so that the calibrating efficiency is low and the operation is complicated.
SUMMERY OF THE UTILITY MODEL
The technical purpose of the utility model is to provide a be applied to paper detecting instrument's portable calibrating device has simple structure and easily carries, multi-functional compatibility is good, the technical characterstic of calibration high efficiency, easy operation.
In order to solve the above problem, the technical scheme of the utility model is that:
a portable calibration device for use with a paper detection instrument, comprising: the system comprises an ARM processing module, an AD conversion module, a touch screen, a channel switching module and a sensing module;
the sensing module comprises a weighing sensor and an oil pressure sensor, the detecting instrument comprises a compressor and a burst tester, the weighing sensor is used for calibrating the compressor, the oil pressure sensor is used for calibrating the burst tester, the weighing sensor is arranged at the central positions of an upper pressure plate and a lower pressure plate of the compressor, the oil pressure sensor is connected with a hydraulic pipe of the burst tester, and the sensing module is used for collecting the actual detection value of the detecting instrument;
the AD conversion module is used for receiving the actual detection value and converting the actual detection value into a digital signal;
the ARM processing module is in communication connection with the AD conversion module, and is used for calculating an actual parameter value of the detection instrument according to an actual detection value, and the actual parameter value is used for calibrating the detection instrument so as to correct a current parameter value of the detection instrument;
the touch screen and the ARM processing module can be in communication connection, and the touch screen is used for operation and display of the calibration process of the detection instrument;
the channel switching module is used for switching between a calibration channel of the compressor and a calibration channel of the burst tester so as to realize switching of calibration objects.
According to the utility model discloses an embodiment, ARM processing module with but detecting instrument communicative connection, ARM processing module still is used for reading current parameter value, and according to current parameter value with deviation between the actual parameter value is right detecting instrument carries out the calibration, with the correction current parameter value.
According to the utility model discloses an embodiment, ARM processing module specifically is used for the basis current parameter value with deviation between the actual parameter value, it is right current parameter value carries out automatic revision, in order to realize detecting instrument's calibration.
According to the utility model discloses an embodiment, the touch-sensitive screen still is used for controlling ARM processing module is right current parameter value carries out artifical revision, in order to realize detecting instrument's calibration.
According to the utility model discloses an embodiment, ARM processing module locates digital circuit board, analog circuit board is located to AD conversion module, touch-control circuit board is located to the touch-sensitive screen, wherein, digital circuit board analog circuit board with touch-control circuit board is mutually independent circuit board to reduce the interference between the circuit.
According to an embodiment of the present invention, the digital circuit board is provided with a sensing interface, a communication interface, and a power interface;
the sensing interface is used for being in communication connection with the sensing module;
the communication interface is used for being in communication connection with the detection instrument or an upper computer;
the power interface is used for being electrically connected with a power supply.
According to the utility model discloses an embodiment, sensing interface communication interface all is equipped with the opto-coupler chip, the opto-coupler chip is used for eliminating the signal interference that external circuit brought.
According to the utility model discloses an embodiment, touch-control circuit board is equipped with the SD card interface that is used for connecting the storage card, be used for the calibrated data storage of detecting instrument.
According to the utility model discloses an embodiment, the touch-sensitive screen still is used for controlling ARM processing module is right the actual parameter value is revised, in order to realize calibrating device self's calibration.
The utility model discloses owing to adopt above technical scheme, make it compare with prior art and have following advantage and positive effect:
(1) the utility model discloses a sensing module is equipped with weighing sensor and oil pressure sensor, and weighing sensor only needs to directly place between the upper and lower pressure disks of compressor, and oil pressure sensor only needs directly to be connected with the hydraulic pressure pipe of bursting strength appearance, can be used for the calibration of compressor and bursting strength appearance respectively, realizes the switching of the calibration of two kinds of different proofreading objects through the passageway switching module, can make a round trip to switch between two kinds of detecting instrument and calibrate, has simplified the device structure, improves calibration efficiency; secondly, an AD conversion module converts an actual detection value acquired by a sensing module into a digital signal to be processed by an ARM processing module to obtain an actual parameter value, and the current parameter value of the detection instrument can be calibrated at the detection instrument end according to the actual parameter value, so that the technical effects of simple structure, easiness in carrying, good multifunctional compatibility, high calibration efficiency and easiness in operation are achieved;
(2) the utility model discloses a ARM processing module reads the current parameter value of detecting instrument, compares with actual parameter value, carries out automatic or manual calibration to detecting instrument according to the deviation between the two, and this manual calibration controls ARM processing module through the touch-sensitive screen and artifically revises the detection parameter to realize the calibration of detecting instrument, and simple humanized in operation has reached calibration function diversification, hommization, easy operation, calibration efficient technological effect;
(3) the utility model separates the digital circuit, the analog circuit and the drive circuit, reduces the interference between the circuits, and achieves the technical effect of stable and reliable calibration circuit;
(4) the utility model is provided with a sensing interface, a communication interface and a power interface, which simplifies the circuit connection on the one hand, facilitates the connection of each circuit, and on the other hand, the components of each circuit are relatively independent and easy to be assembled and disassembled for carrying, thereby achieving the technical effect of portability;
(5) the input and output ends of the utility model are provided with the optocoupler chip to eliminate the signal interference brought by the external circuit, improve the stability of the circuit of the device and achieve the technical effect of stable and reliable calibration circuit;
(6) the utility model discloses the accessible touch-sensitive screen is controlled the actual parameter value to detection device itself and is revised to realize the calibration of calibrating device self, with the measurement skew of avoiding calibrating device itself, reached the accurate technological effect of calibration.
Drawings
Fig. 1 is a circuit configuration diagram of a portable calibration device applied to a paper detection instrument according to the present invention;
fig. 2 is an operation flowchart of the portable calibration device applied to the paper detecting instrument of the present invention.
Detailed Description
The portable calibrating device for paper detecting instrument according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims.
Example 1
Referring to fig. 1, the present embodiment provides a portable calibration device applied to a paper detection apparatus, including: the system comprises an ARM processing module, an AD conversion module, a touch screen, a channel switching module and a sensing module;
the sensing module comprises a weighing sensor and an oil pressure sensor, the detecting instrument comprises a compressor and a burst tester, the weighing sensor is used for calibrating the compressor, the oil pressure sensor is used for calibrating the burst tester, the weighing sensor is arranged at the central positions of an upper pressure plate and a lower pressure plate of the compressor, the oil pressure sensor is connected with a hydraulic pipe of the burst tester, and the sensing module is used for collecting the actual detection value of the detecting instrument;
the AD conversion module is used for receiving the actual detection value and converting the actual detection value into a digital signal;
the ARM processing module is in communication connection with the AD conversion module, the ARM processing module is used for calculating an actual parameter value of the detection instrument according to an actual detection value, and the actual parameter value is used for calibrating the detection instrument so as to correct a current parameter value of the detection instrument;
the touch screen and the ARM processing module can be connected in a communication mode, and the touch screen is used for detecting operation and display of an instrument calibration process;
the channel switching module is used for switching between a calibration channel of the compressor and a calibration channel of the burst tester so as to realize switching of calibration objects.
The present embodiment will now be described in detail:
specifically, the present embodiment is used for calibrating a compressor and a bursting strength tester for paper detection, where the compressor is an instrument capable of measuring the ring crush strength (ring crush index) of a base paper, the edge crush strength, the adhesive strength, and the flat crush strength of a corrugated cardboard, the bursting strength tester is an instrument capable of measuring the bursting strength of all cardboards or papers within a certain range, the compressor is an instrument for applying pressure through a motor screw, and the bursting strength tester is an instrument for applying pressure hydraulically.
Specifically, the actual detection value of this embodiment is the sensing signal directly acquired by the sensing module, the actual parameter value and the current parameter value are the performance parameters of the detection instrument for detecting the paper or the paper, such as the ring crush index and the burst strength, and the actual detection value and the actual parameter value are converted by the ARM module for data calculation.
Specifically, the actual parameter value is used as a standard to correct the current parameter value of the detection instrument, and the correction may be performed manually at the detection instrument end, or may be performed automatically or manually at the calibration instrument end.
Specifically, the ARM processing module of this embodiment is a CPU control center, and is responsible for operations, and adopts a 32-bit ARM enhanced chip, and a core ARM 32-bit CortexTMM3 CPU 72MHz operating frequency, up to 1.25DMips/MHZ at 0 latency access of the memory. Similarly, a chip such as STM32 may be used to replace the ARM processing module used in this embodiment.
Specifically, the AD conversion module of this embodiment converts the signal of sensor to digital signal through AD analog-to-digital conversion device, adopts the compound pipe of darlington pipe to carry out the fortune and puts, and the magnification is high, and sensitivity is strong, and the integrated level is high, and the stable performance adopts 24 high accuracy AD conversion chips, guarantees that the test result is more accurate.
Specifically, the whole circuit board module, including ARM processing module, AD conversion module and touch-sensitive screen all install in an aluminium box, and aluminium box power source, sensor interface, RS232 communication interface and passageway switch button operate on the touch-sensitive screen. The power interface is supplied with power by a 5V power adapter, the sensor interface is connected with a calibration sensor (a compressor is a weighing sensor, and the bursting strength is an oil pressure sensor) through a 5-core aviation plug, and the communication interface is RS232 and can be upgraded by a software program or connected with a PC for design communication; and the channel switching is used for switching the channels of the compression instrument and the burst instrument.
The sensing module of the embodiment is provided with the weighing sensor and the oil pressure sensor, the weighing sensor only needs to be directly placed between an upper pressure plate and a lower pressure plate of the compressor, the oil pressure sensor only needs to be directly connected with a hydraulic pipe of the bursting strength instrument, the oil pressure sensor can be respectively used for calibrating the compressor and the bursting strength instrument, the channel switching module is used for switching the calibration of two different calibration objects, the two detection instruments can be switched back and forth for calibration, the device structure is simplified, and the calibration efficiency is improved; secondly, the AD conversion module converts the actual detection value collected by the sensing module into a digital signal to be processed by the ARM processing module to obtain an actual parameter value, and the current parameter value of the detection instrument can be calibrated at the detection instrument end according to the actual parameter value, so that the technical effects of simple structure, easiness in carrying, good multifunctional compatibility, high calibration efficiency and easiness in operation are achieved.
Preferably, the ARM processing module of this embodiment is communicably connected to the detection instrument, and the ARM processing module is further configured to read a current parameter value, and perform calibration on the detection instrument according to a deviation between the current parameter value and an actual parameter value, so as to correct the current parameter value.
Preferably, the ARM processing module of this embodiment is specifically configured to automatically revise the current parameter value according to a deviation between the current parameter value and the actual parameter value, so as to implement calibration of the detection instrument.
Preferably, the touch screen of this embodiment is further configured to control the ARM processing module to manually revise the current parameter value, so as to implement calibration of the detection instrument.
The ARM processing module of this embodiment reads detecting instrument's current parameter value, compares with actual parameter value, carries out automation or manual calibration to detecting instrument according to the deviation between the two, and this manual calibration controls ARM processing module manual work through the touch-sensitive screen and revises the detection parameter to realize detecting instrument's calibration, simple hommization in the operation has reached calibration function diversification, hommization, easy operation, calibration efficient technological effect.
Preferably, the ARM processing module of the present embodiment is disposed on the digital circuit board, the AD conversion module is disposed on the analog circuit board, and the touch screen is disposed on the touch circuit board, wherein the digital circuit board, the analog circuit board, and the touch circuit board are independent from each other to reduce interference between circuits.
The embodiment isolates the digital circuit, the analog circuit and the driving circuit in blocks, reduces the interference among the circuits, and achieves the technical effect of stable and reliable calibration circuit
Preferably, the digital circuit board of the embodiment is provided with a sensing interface, a communication interface and a power interface; the sensing interface is used for being in communication connection with the sensing module; the communication interface is used for being in communication connection with the detection instrument or the upper computer; the power interface is used for being electrically connected with a power supply.
This embodiment sets up sensing interface, communication interface, power source, then simplifies the circuit connection, has made things convenient for the connection of each circuit, and the part of two then each circuits is relatively independent, and easy dismouting is carried, has reached portable technical effect.
Preferably, the sensing interface and the communication interface of the embodiment are both provided with an optical coupler chip, and the optical coupler chip is used for eliminating signal interference caused by an external circuit.
The input and output end of the embodiment is provided with the optocoupler chip to eliminate signal interference caused by an external circuit, so that the stability of the circuit of the device is improved, and the technical effect of stability and reliability of the calibration circuit is achieved.
Preferably, the touch circuit board of the embodiment is provided with an SD card interface for connecting a memory card to implement data storage for calibration of the detection instrument.
Preferably, the touch screen of the embodiment is further configured to manipulate the ARM processing module to modify the actual parameter value, so as to implement calibration of the calibration apparatus itself.
The actual parameter value of this embodiment accessible touch-sensitive screen is controlled and is revised detection device itself to realize calibration of calibrating device self, with the measurement skew of avoiding calibrating device itself, reached and calibrated accurate technological effect.
The working principle of this embodiment will now be explained:
before the work, 5V power adapter is connected earlier to power source, sensor interface is connected to sensing module one end, the other end connects detecting instrument, the central point that the compressor appearance just placed the sensor at upper and lower pressure disk puts, the bursting strength appearance just inserts hydraulic pressure pipe of hydraulic system with the sensor, sensing module's collection signal is through AD conversion with analog signal conversion to digital signal, then conveys ARM processing module and carries out the operation processing, the result of calculation is sent the touch-sensitive screen display end and is shown and operate.
Referring to fig. 2, the process shown in fig. 2 is a flow chart of the operation of manual calibration, and will now be described in detail in conjunction with the operation flow of the present embodiment:
opening the calibration device of the embodiment, and initializing display;
arranging a sensing module at a corresponding acquisition point position, arranging a weighing sensor corresponding to a compressor at the central position of an upper pressing plate and a lower pressing plate of the compressor, and connecting an oil pressure sensor corresponding to a burst tester with a hydraulic pipe of the burst tester;
the sampling frequency is set, and the sampling frequency can be set through the touch screen in the embodiment so as to set the data sampling frequency of the actual detection value;
reading an AD zero value, and resetting the sensing module and the calibration device;
reading a Kf parameter value which is a current detection calibration parameter value of the detection instrument, and adjusting the Kf parameter value to correct the detection instrument;
reading a current force value of the sensing module and a current parameter value of the detection instrument, wherein the current force value is an actual detection value, the current parameter value corresponds to a current pressure value in the detection instrument, the ARM processing module calculates to obtain an actual parameter value, namely an actual pressure value, according to the current force value, and according to the deviation between the actual pressure value and the current pressure value, the touch screen modifies the Kf parameter value through a numeric keyboard so as to calibrate the detection instrument.
The touch screen has the following operation functions of zero clearing and coefficient revision: resetting, and directly clicking in a force value display area to initialize a force value; and modifying the coefficient, switching to a coefficient modification interface, clicking a calibration key to pop up a numeric keyboard, inputting a coefficient value, pressing a storage key, and inputting a password for storage so as to calibrate the calibration device.
Similarly, the automatic calibration process, i.e. the manual operation part is completely delivered to the ARM processing module for automatic processing, so that the trouble of manual modification can be saved, and the calibration efficiency is improved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, the changes are still within the scope of the present invention if they fall within the scope of the claims and their equivalents.
Claims (9)
1. A portable calibration device for use with a paper detection instrument, comprising: the system comprises an ARM processing module, an AD conversion module, a touch screen, a channel switching module and a sensing module;
the sensing module comprises a weighing sensor and an oil pressure sensor, the detecting instrument comprises a compressor and a burst tester, the weighing sensor is used for calibrating the compressor, the oil pressure sensor is used for calibrating the burst tester, the weighing sensor is arranged at the central positions of an upper pressure plate and a lower pressure plate of the compressor, the oil pressure sensor is connected with a hydraulic pipe of the burst tester, and the sensing module is used for collecting the actual detection value of the detecting instrument;
the AD conversion module is used for receiving the actual detection value and converting the actual detection value into a digital signal;
the ARM processing module is in communication connection with the AD conversion module, and is used for calculating an actual parameter value of the detection instrument according to an actual detection value, and the actual parameter value is used for calibrating the detection instrument so as to correct a current parameter value of the detection instrument;
the touch screen and the ARM processing module can be in communication connection, and the touch screen is used for operation and display of the calibration process of the detection instrument;
the channel switching module is used for switching between a calibration channel of the compressor and a calibration channel of the burst tester so as to realize switching of calibration objects.
2. The portable calibration device as claimed in claim 1, wherein the ARM processing module is communicatively coupled to the inspection instrument, the ARM processing module is further configured to read the current parameter value and perform a calibration on the inspection instrument based on a deviation between the current parameter value and the actual parameter value to correct the current parameter value.
3. The portable calibration device as claimed in claim 2, wherein the ARM processing module is specifically configured to modify the current parameter value automatically according to the deviation between the current parameter value and the actual parameter value, so as to calibrate the inspection instrument.
4. The portable calibration device applied to a paper detection instrument as claimed in claim 2, wherein the touch screen is further configured to operate the ARM processing module to manually modify the current parameter value to achieve calibration of the detection instrument.
5. The portable calibrating device for paper-based detecting instruments according to any one of claims 1-4, wherein the ARM processing module is disposed on a digital circuit board, the AD conversion module is disposed on an analog circuit board, and the touch screen is disposed on a touch circuit board, wherein the digital circuit board, the analog circuit board and the touch circuit board are independent circuit boards to reduce the interference between the circuits.
6. The portable calibration device applied to the paper detection instrument as claimed in claim 5, wherein the digital circuit board is provided with a sensing interface, a communication interface and a power interface;
the sensing interface is used for being in communication connection with the sensing module;
the communication interface is used for being in communication connection with the detection instrument or an upper computer;
the power interface is used for being electrically connected with a power supply.
7. The portable calibration device applied to the paper detection instrument as claimed in claim 6, wherein the sensing interface and the communication interface are both provided with optical coupling chips, and the optical coupling chips are used for eliminating signal interference caused by an external circuit.
8. The portable calibration device applied to paper detection instruments of claim 5, wherein the touch circuit board is provided with an SD card interface for connecting a memory card to realize data storage for calibration of the detection instrument.
9. The portable calibration device applied to the paper detection instrument as claimed in any one of claims 1 to 4, wherein the touch screen is further configured to operate the ARM processing module to modify the actual parameter value, so as to achieve calibration of the calibration device itself.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920750192.6U CN210572308U (en) | 2019-05-23 | 2019-05-23 | Portable calibration device applied to paper detection instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920750192.6U CN210572308U (en) | 2019-05-23 | 2019-05-23 | Portable calibration device applied to paper detection instrument |
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| CN210572308U true CN210572308U (en) | 2020-05-19 |
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| CN201920750192.6U Withdrawn - After Issue CN210572308U (en) | 2019-05-23 | 2019-05-23 | Portable calibration device applied to paper detection instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108863A (en) * | 2019-05-23 | 2019-08-09 | 杭州衡正检测技术有限公司 | A kind of portable calibrating installation applied to paper and cardboard detecting instrument |
-
2019
- 2019-05-23 CN CN201920750192.6U patent/CN210572308U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108863A (en) * | 2019-05-23 | 2019-08-09 | 杭州衡正检测技术有限公司 | A kind of portable calibrating installation applied to paper and cardboard detecting instrument |
| CN110108863B (en) * | 2019-05-23 | 2024-07-05 | 杭州衡正检测技术有限公司 | Portable calibration device applied to paper and paperboard detection instrument |
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