CN211317365U - Device for preventing cheating of instrument calibration value modification based on encryption unit - Google Patents
Device for preventing cheating of instrument calibration value modification based on encryption unit Download PDFInfo
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- CN211317365U CN211317365U CN201922188473.XU CN201922188473U CN211317365U CN 211317365 U CN211317365 U CN 211317365U CN 201922188473 U CN201922188473 U CN 201922188473U CN 211317365 U CN211317365 U CN 211317365U
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Abstract
The utility model discloses a prevent to change device of instrument calibration value cheating based on encrypt the unit. The measuring instrument is connected to the data server through network communication, and the measuring instrument further comprises an encryption unit used for storing calibration values, and the calibration values are read from the encryption unit by the measuring instrument when the measuring instrument is used for measuring. The technical effect of the utility model lies in, through setting up encryption unit, when making measuring instrument mark and measure, all must just can accomplish based on encryption unit, directly store the calibration value in encryption unit simultaneously for the calibration value can no longer be tampered easily. The encryption unit can be realized by directly connecting a hardware encryption lock of the measuring instrument or a storage unit arranged on a data server, can ensure the accuracy and reliability of the data of the measuring instrument and is beneficial to the development of quality supervision work.
Description
Technical Field
The utility model relates to a prevent to change device of instrument calibration value cheating based on encrypt the unit.
Background
At present, in the field of building materials and related detection, measuring instruments based on devices such as computers and single-chip microcomputers are adopted, field measurement data signals output by sensors are collected and processed and displayed by computer software, and the method is a common implementation form of various measuring and testing instruments. The measurement of the specific detection value is based on the following principle: the sensor of the measuring instrument collects the physical quantity to be measured, then converts the physical quantity into an electric signal with corresponding proportion, and finally obtains a measured value by processing the electric signal by computer software and comparing the electric signal with a calibrated value. However, since the calibration value of the instrument is directly stored in the computer and the proportionality coefficient of the corresponding processing software is easily modified, the calibration value is tampered in actual use, so that the measured value is distorted.
SUMMERY OF THE UTILITY MODEL
In order to solve and exist at present in the detection area and falsify calibration value etc. to the measuring instrument and lead to the unsafe technical problem of measuring result, the utility model provides a can be better prevent that calibration value is falsified prevent to change device and method that instrument calibration value cheated based on encrypting the unit.
In order to achieve the technical purpose, the technical proposal of the utility model is that,
an apparatus for preventing cheating of changing calibration values of an instrument based on an encryption unit comprises the instrument and a data server, wherein the instrument is connected to the data server through network communication, the apparatus further comprises an encryption unit for storing the calibration values, and the instrument reads the calibration values from the encryption unit to perform measurement when performing measurement.
The device for preventing cheating of changing the calibration value of the instrument based on the encryption unit is characterized in that the encryption unit is a hardware encryption lock, the hardware encryption lock is connected to the measurement instrument through a communication interface on the measurement instrument when measurement is carried out, the hardware encryption lock is removed after the measurement is finished, and the measurement instrument reads calibration standard value information stored in the hardware encryption lock to carry out the measurement.
The device for preventing the cheating of the calibration value of the instrument based on the encryption unit is characterized in that the communication interface of the hardware encryption lock connected with the measuring instrument is a parallel port or a USB interface.
The device for preventing the cheating of the calibration value of the instrument from being changed based on the encryption unit is characterized in that the calibration standard value stored in the hardware encryption lock is obtained by a calibration program of the measuring instrument, and the hardware encryption lock is connected to the measuring instrument through a communication interface on the measuring instrument when the calibration program is carried out.
The device for preventing cheating of instrument calibration value modification based on the encryption unit is characterized in that the encryption unit is a calibration memory used for storing calibration values on a data server, the calibration memory is connected and read by a measurement instrument through a communication module when measurement is carried out, and the measurement instrument reads calibration standard value information stored in the calibration memory to execute measurement.
The device for preventing cheating of instrument calibration value modification based on the encryption unit is characterized in that the communication module of the calibration memory connected with the measuring instrument is an Ethernet module or a WiFi module.
The device for preventing cheating of instrument calibration value modification based on the encryption unit is characterized in that the calibration standard value stored in the calibration memory is obtained by a calibration program of the measuring instrument, and the calibration memory is connected to the measuring instrument through a communication interface on the measuring instrument when the calibration program is carried out.
A method for preventing cheating of re-calibrated values based on encryption units, comprising the steps of:
firstly, calibrating a measuring instrument, firstly confirming whether an encryption unit is connected or not before starting calibration, entering a calibration process after confirming the encryption unit, and otherwise not calibrating;
step two, after calibration is finished, a calibration value is saved, and then measurement is carried out based on the calibration value;
and step three, after the measurement is finished, the measuring instrument transmits the measurement data to the data server.
In the first step, the encryption unit is a hardware encryption lock, the calibration value obtained after calibration is stored in the hardware encryption lock, and when the measurement is performed in the second step, the measurement instrument firstly confirms whether the hardware encryption lock is connected, reads the calibration value from the hardware encryption lock after confirming the hardware encryption lock and performs measurement, otherwise, does not perform measurement.
In the first step, the encryption unit is a calibration memory, the calibration value obtained after calibration is stored in the calibration memory, and when the measurement is performed in the second step, the measurement instrument firstly confirms whether the hardware encryption lock is connected, reads the calibration value from the hardware encryption lock after confirming the hardware encryption lock, and performs measurement, otherwise, does not perform measurement.
The technical effect of the utility model lies in, through setting up encryption unit, when making measuring instrument mark and measure, all must just can accomplish based on encryption unit, directly store the calibration value in encryption unit simultaneously for the calibration value can no longer be tampered easily. The encryption unit can be realized by directly connecting a hardware encryption lock of the measuring instrument or a storage unit arranged on the data server, so that the accuracy and reliability of data detection are greatly improved, and the development of quality supervision work is facilitated.
The present invention will be further explained with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of a first embodiment of the present invention;
fig. 2 is a schematic diagram of a second embodiment of the present invention.
Detailed Description
Example one
Referring to fig. 1, the present embodiment includes a measurement instrument and a data server, the measurement instrument is connected to the data server through network communication, and the present embodiment further includes an encryption unit for storing a calibration value, the encryption unit is a hardware encryption lock, the hardware encryption lock is connected to the measurement instrument through a communication interface on the measurement instrument when performing measurement, and is removed after completing the measurement, and the measurement instrument reads calibration standard value information stored in the hardware encryption lock to perform the measurement.
The hardware encryption lock is connected to the measuring instrument through a parallel port or a USB interface. Adopt general interface, help using widely of this device.
In order to further improve the calibration accuracy, the calibration standard value stored in the hardware encryption lock is obtained by a calibration program performed by the measuring instrument, and the hardware encryption lock is connected to the measuring instrument through a communication interface on the measuring instrument during the calibration program.
The method implemented by the embodiment comprises the following steps:
firstly, calibrating a measuring instrument, firstly confirming whether an encryption unit is connected or not before starting calibration, entering a calibration process after confirming the encryption unit, and otherwise not calibrating;
step two, after calibration is finished, a calibration value is saved, and then measurement is carried out based on the calibration value;
and step three, after the measurement is finished, the measuring instrument transmits the measurement data to the data server.
And when the measurement is carried out in the second step, the measuring instrument firstly confirms whether the hardware encryption lock is connected or not, reads the calibration value from the hardware encryption lock after confirming the hardware encryption lock for measurement, and otherwise does not carry out measurement.
The embodiment is realized based on the hardware encryption lock, and when calibration and measurement are carried out, the hardware encryption lock is required to be connected to a measuring instrument, otherwise, corresponding operation cannot be executed. And the calibration value is stored in the hardware encryption lock and can be removed from the measuring instrument after the measurement is finished, so that the calibration value can be effectively prevented from being randomly tampered, and the calibration and measurement accuracy is ensured.
Example two
The difference between this embodiment and the first embodiment is that a calibration memory on the data server is used as an encryption unit. When the calibration memory is used for measurement, the measurement instrument is connected and read through the communication module, and the measurement instrument reads calibration standard value information stored in the calibration memory to execute measurement.
In order to enable the measuring instrument to communicate with the data server, the communication module of the calibration storage connected with the measuring instrument is an Ethernet module or a WiFi module. In fig. 2, the calibration memory is shown communicatively connected to the measurement instrument via a communication line on the data server. In an implementation, if necessary, a communication interface may be separately provided for the calibration memory to directly connect to the measurement instrument.
In order to further improve the calibration accuracy, the calibration standard value stored in the calibration memory is obtained by a calibration program of the measuring instrument, and the calibration memory is connected to the measuring instrument through a communication interface on the measuring instrument when the calibration program is carried out.
The method implemented by the embodiment comprises the following steps:
firstly, calibrating a measuring instrument, firstly confirming whether an encryption unit is connected or not before starting calibration, entering a calibration process after confirming the encryption unit, and otherwise not calibrating;
step two, after calibration is finished, a calibration value is saved, and then measurement is carried out based on the calibration value;
and step three, after the measurement is finished, the measuring instrument transmits the measurement data to the data server.
In the first step, the encryption unit is a calibration memory, the calibration value obtained after calibration is stored in the calibration memory, and when the measurement is performed in the second step, the measurement instrument firstly confirms whether the hardware encryption lock is connected or not, and reads the calibration value from the hardware encryption lock to perform measurement after confirming the hardware encryption lock, otherwise, the measurement is not performed.
The embodiment is implemented based on a calibration memory, and during calibration and measurement, the measurement instrument needs to be connected to the data server and read to the corresponding calibration memory, otherwise, corresponding operations cannot be executed. And the calibration value is stored in the calibration memory and is not stored in the local measuring instrument, so that the calibration value can be effectively prevented from being randomly tampered, and the calibration and measurement accuracy is ensured.
Claims (7)
1. An apparatus for preventing cheating of the calibration value of the measuring instrument based on the encryption unit comprises the measuring instrument and a data server, wherein the measuring instrument is connected to the data server through network communication, and the apparatus is characterized by further comprising an encryption unit for storing the calibration value, and the measuring instrument reads the calibration value from the encryption unit to carry out measurement when carrying out measurement.
2. The device for preventing cheating on the calibration value of the instrument based on the encryption unit as claimed in claim 1, wherein the encryption unit is a hardware encryption lock, the hardware encryption lock is connected to the measurement instrument through a communication interface on the measurement instrument when measurement is performed, the hardware encryption lock is removed after the measurement is completed, and the measurement instrument reads the calibration standard value information stored in the hardware encryption lock to perform the measurement.
3. The device for preventing cheating on the calibration value of the instrument based on the encryption unit as claimed in claim 2, wherein the communication interface of the hardware encryption lock connection measuring instrument is a parallel port or a USB interface.
4. The apparatus for preventing cheating on calibration value of instrument based on encryption unit as claimed in claim 2, wherein the calibration standard value stored in the hardware-encryption lock is obtained by calibration procedure performed by the measurement instrument, and the hardware-encryption lock is connected to the measurement instrument through a communication interface of the measurement instrument while the calibration procedure is performed.
5. The device for preventing cheating on calibration values of instruments based on the encryption unit as claimed in claim 1, wherein the encryption unit is a calibration memory for storing calibration values on the data server, the calibration memory is connected and read by the measurement instrument through the communication module when measurement is performed, and the measurement instrument reads the calibration standard value information stored in the calibration memory to perform measurement.
6. The device for preventing cheating of calibration value of calibration instrument based on encryption unit as claimed in claim 5, wherein said communication module of calibration memory connection measurement instrument is Ethernet module or WiFi module.
7. The device for preventing cheating on calibration value of instrument based on encryption unit as claimed in claim 5, wherein the calibration standard value stored in said calibration memory is obtained by calibration procedure performed by the measuring instrument, and said calibration memory is connected to the measuring instrument through a communication interface on the measuring instrument when said calibration procedure is performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922188473.XU CN211317365U (en) | 2019-12-09 | 2019-12-09 | Device for preventing cheating of instrument calibration value modification based on encryption unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922188473.XU CN211317365U (en) | 2019-12-09 | 2019-12-09 | Device for preventing cheating of instrument calibration value modification based on encryption unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211317365U true CN211317365U (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922188473.XU Active CN211317365U (en) | 2019-12-09 | 2019-12-09 | Device for preventing cheating of instrument calibration value modification based on encryption unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211317365U (en) |
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2019
- 2019-12-09 CN CN201922188473.XU patent/CN211317365U/en active Active
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