CN-121977892-A - Anti-cheating pretreatment sampling bottle and sampling method

CN121977892ACN 121977892 ACN121977892 ACN 121977892ACN-121977892-A

Abstract

The invention relates to the technical field of environmental monitoring, and discloses an anti-cheating pretreatment sampling bottle and a sampling method. The anti-cheating pretreatment sampling bottle comprises a bottle body, a bottle cap, an identity recognition module, a reagent bin, a fluid driving mechanism, a sensor module, an optical detection module and a control unit. The system comprises an identification module, a sensor module, an optical detection module, a control unit and an encryption unit, wherein the identification module is used for authorizing and authenticating an operator, the sensor module is used for collecting water quality parameter change data in the mixing process in real time, the optical detection module is used for obtaining optical characteristic data of a mixed sample, and the control unit is used for recording the identification data, the water quality parameter change data and the optical characteristic data and encrypting the identification data, the water quality parameter change data and the optical characteristic data to generate an encrypted data block uniquely corresponding to the sample. According to the invention, by constructing the anti-cheating evidence chain with the deep fusion of the electronic data and the physical properties of the sample, the sample is endowed with a tamper-proof digital identity from the moment of acquisition, so that the counterfeiting risk caused by the separation of the electronic log and the physical sample in the traditional technology is solved, and the anti-cheating capability of the sampling link and the original representativeness of the sample are improved.

Inventors

WU YOU
WANG FUZHI
WANG WANQIONG
YIN WEI
PENG SHOUHAI
XIE JIAQIANG
LUO PEISHENG
LIU WUSHUANG
LUO XINRAN
ZHOU HAO

Assignees

三峡环境科技有限公司
中国长江三峡集团有限公司

Dates

Publication Date: 20260505
Application Date: 20260407

Claims (10)

1. An anti-cheating pretreatment sampling bottle, comprising: a bottle (4) having a sample compartment adapted to contain a water sample; the bottle cap (5) is detachably and hermetically arranged on the bottle body (4); The identity recognition module (1) is arranged on the bottle cap (5) and is used for carrying out authorization authentication on operators and generating identity authentication data; at least one reagent bin arranged in the bottle cap (5), wherein the reagent bin is used for storing pretreatment reagents; A fluid driving mechanism arranged in the bottle cap (5), wherein the fluid driving mechanism comprises a multi-way valve (9) and a micro pump (10), the multi-way valve (9) is provided with a plurality of fluid ports so as to be selectively and fluidly connected with the reagent bin, an inlet end of the micro pump (10) and a water sample inlet, and an outlet end of the micro pump (10) is in fluid connection with the sample bin; The sensor module (11) is arranged on the bottle body (4) and is used for collecting water quality parameter change data of a water sample in the process of injecting the pretreatment reagent in real time; The optical detection module (12) is arranged on the bottle body (4) and is used for carrying out optical detection on the mixed sample in the bottle after the pretreatment reagent is injected, so as to obtain optical characteristic data; The control unit is arranged in the bottle cap (5) and is electrically connected with the identity recognition module (1), the fluid driving mechanism, the sensor module (11) and the optical detection module (12) respectively; The control unit is configured to record at least the identity authentication data, the water quality parameter variation data and the optical characteristic data, and perform encryption processing on the recorded data by adopting a preset encryption algorithm to generate an encrypted data block corresponding to the mixed sample in the bottle body (4).
2. The tamper-resistant pre-processing sampling bottle of claim 1, wherein the control unit comprises: A main control unit; The space-time information module is electrically connected with the main control unit and is used for acquiring positioning information of a sampling position and time information of a sampling moment; And the data encryption and storage module is electrically connected with the main control unit and is used for carrying out encryption processing on the identity authentication data, the water quality parameter change data, the optical characteristic data and the sampling time and position information acquired by the space-time information module and storing the generated encrypted data block.
3. The tamper-resistant pre-processing sampling bottle of claim 2, wherein the control unit further comprises a communication module electrically connected to the master control unit for wirelessly transmitting the encrypted data block to an external receiving device.
4. The anti-cheating pretreatment sampling bottle according to claim 1, wherein a main control circuit board cabin (6) is arranged in the bottle cap (5), and the control unit is arranged in the main control circuit board cabin (6).
5. The anti-cheating pretreatment sampling bottle according to claim 1, wherein two reagent chambers are provided, the multi-way valve (9) is provided as a four-way valve, the multi-way valve (9) has four fluid ports, and the four fluid ports are respectively connected to a water sample inlet, two reagent chambers and an inlet end of a micropump (10).
6. The anti-cheating pretreatment sampling bottle according to claim 1, wherein the bottle cap (5) is further provided with an air outlet (3), the air outlet (3) is communicated with the sample cabin, and the air outlet (3) is used for maintaining internal and external air pressure balance in the sampling process.
7. The anti-cheating pretreatment sampling bottle according to claim 1, wherein the bottle cap (5) is further provided with an LED status indicator lamp (2), and the LED status indicator lamp (2) is electrically connected with the control unit, and is used for displaying at least one of an electric quantity state, a sampling state or a signal intensity.
8. The tamper-resistant pre-treatment sampling bottle of claim 1, wherein the control unit controls the fluid drive mechanism to inject the pre-treatment reagent into the water sample in an unsteady dynamic mode comprising a pulsed flow mode, a stepped flow mode, or a combination of both.
9. The anti-cheating pretreatment sampling bottle according to claim 8, wherein the water quality parameter variation data collected by the sensor module (11) is a dynamic variation data set formed in the mixing process of the unsteady dynamic mode, and the control unit records the dynamic variation data set in the encrypted data block as a process fingerprint representing the current operation.
10. A sampling method employing the anti-cheating pretreatment sampling bottle according to any one of claims 1 to 9, comprising the steps of: The authorization starting is that an operator is authenticated by an identity recognition module (1), and after the authentication is passed, the control unit unlocks and enters a state to be sampled; Sampling and preprocessing, namely collecting a water sample, entering a bottle body (4), injecting a preprocessing reagent into the water sample in a preset mode through a fluid driving mechanism, and collecting water quality parameter change data in the mixing process in real time through a sensor module (11) to generate a process fingerprint; In-situ detection, namely after the pretreatment reagent is injected, carrying out optical detection on the mixed sample in the bottle through an optical detection module (12) to obtain optical characteristic data as a physical and chemical anchor point value; And the data locking is that the control unit encrypts the process fingerprint, the physicochemical anchor point value and sampling information to generate an encrypted data block and stores the encrypted data block, wherein the sampling information comprises identity authentication data, sampling time and position information and volume and concentration data of a sample and a pretreatment reagent, which are generated by the identity recognition module (1).

Description

Anti-cheating pretreatment sampling bottle and sampling method Technical Field The invention relates to the technical field of environmental monitoring, in particular to an anti-cheating pretreatment sampling bottle and a sampling method. Background The water environment monitoring is the basis of environmental protection and treatment, the water sample collection is the starting point of the monitoring flow, and the authenticity, representativeness and traceability directly determine the effectiveness and value of the subsequent analysis data. At present, widely used simple sampling bottles mainly depend on manual recording of sampling time and place, and handwriting labels are stuck on the bottle body to serve as information carriers, so that obvious management holes exist in the mode, sampling information of the sampling bottles is easy to be tampered or forged, the labels are easy to be stained and shed in a humid environment, and cheating actions such as sample stealing by sampling personnel and illegal addition of protective agents are difficult to effectively prevent in a sample circulation process. This not only results in poor sample representativeness and poor anti-cheating ability, but also results in inefficiency and error-prone information entry into the laboratory management system. In view of this problem, the prior art provides a sampling bottle capable of recording real-time information such as water quality, pH, conductivity, etc., which improves the informatization level of sampling to some extent. However, the anti-cheating function mainly depends on the fact that multiple water quality indexes are recorded and checked one by one, the actual verification process is complex and complicated, the anti-cheating function belongs to the recording and comparison of pure electronic data, if an encryption means is broken or an electronic log is replaced integrally, the risk of data counterfeiting still exists, the correlation encryption of the physical properties of a sample and the electronic data is low, and even if the electronic log is true, the sample in the sampling bottle cannot be determined to be an original sample. Disclosure of Invention In view of the above, the present invention provides an anti-cheating pretreatment sampling bottle and a sampling method, so as to solve the problems set forth in the above-mentioned background art. In a first aspect, the present invention provides a tamper-resistant pre-treatment sampling bottle comprising: a bottle having a sample compartment adapted to contain a water sample; The bottle cap is detachably and hermetically arranged on the bottle body; the identity recognition module is arranged on the bottle cap and used for carrying out authorization authentication on operators and generating identity authentication data; at least one reagent bin arranged in the bottle cap, wherein the reagent bin is used for storing pretreatment reagents; A fluid driving mechanism arranged in the bottle cap, the fluid driving mechanism comprising a multi-way valve and a micro-pump, the multi-way valve having a plurality of fluid ports to be selectively and fluidly connected with the reagent cartridge, an inlet end of the micro-pump, and a water sample inlet, respectively, and an outlet end of the micro-pump being fluidly connected with the sample compartment; the sensor module is arranged on the bottle body and used for collecting water quality parameter change data of a water sample in the process of injecting the pretreatment reagent in real time; The optical detection module is arranged on the bottle body and is used for carrying out optical detection on the mixed sample in the bottle after the pretreatment reagent is injected, so as to obtain optical characteristic data; the control unit is arranged in the bottle cap and is electrically connected with the identity recognition module, the fluid driving mechanism, the sensor module and the optical detection module respectively; The control unit is configured to record at least the identity authentication data, the water quality parameter variation data and the optical characteristic data, and perform encryption processing on the recorded data by adopting a preset encryption algorithm to generate an encrypted data block corresponding to the mixed sample in the bottle body. The anti-cheating electronic evidence chain fused with the physical properties of the sample deeply is formed by integrating the identity recognition module, the fluid driving mechanism, the sensor module, the optical detection module and the control unit. The identification module ensures traceability of sampling operation and avoids operation of non-authentication personnel, the fluid driving mechanism can realize automatic quantitative addition of pretreatment reagent, can avoid danger and inaccuracy of manual operation, can provide standard basis for generation of subsequent physical fingerprints, the sensor module captures water quality para