CN110688869A - Food sample keeping supervision equipment and system - Google Patents
Food sample keeping supervision equipment and system Download PDFInfo
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- CN110688869A CN110688869A CN201910926416.9A CN201910926416A CN110688869A CN 110688869 A CN110688869 A CN 110688869A CN 201910926416 A CN201910926416 A CN 201910926416A CN 110688869 A CN110688869 A CN 110688869A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/12—Thermometers specially adapted for specific purposes combined with sampling devices for measuring temperatures of samples of materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
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- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
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Abstract
The application discloses a food sample keeping supervision device and method. This setting is including staying the appearance cabinet and staying the appearance box, it sets up storage trench and weighing device to stay the appearance cabinet, it is provided with electronic tags and contact probe to stay the appearance box, be provided with on weighing device's the tray and be used for discerning electronic tags in order to read wherein the label reading device of information and be used for supplying the first connecting hole that the contact probe corresponds the connection, weighing device is set up to the information transmission that will read and the information that obtains of weighing to staying the appearance box after first connecting hole is put through, the storage trench is provided with second connecting hole and the timing circuit that is used for the contact probe to correspond the connection, the second connecting hole is set up to start the timing circuit that the storage trench corresponds when being linked through. Based on this supervision equipment number the sample, weigh and leave the appearance and preserve, acquire and leave the supervision information of collecting evidence of appearance in-process to the sample, provide the intelligent supervision scheme that optimizes the sample and leave the appearance.
Description
Technical Field
The application relates to the field of food processing and food detection, in particular to food sample reserving supervision equipment and method.
Background
The dining room is usually arranged in enterprises and public institutions such as offices, schools, factories and mines, provides dining places for workers, students and the like in the dining room, and is a place where a part of people have meals every day, so that the sanitation and safety of the dining room and the food safety concern become more important. If the food sample is not standardized or a regular sample keeping system is not set, the food safety can not be well guaranteed. With present supervision mode, if do not utilize internet of things to carry out intelligent supervision, these problems can hardly get better solution.
The food sample-reserving cabinet is an important component in food safety guarantee measures, can prevent food poisoning accidents, can find out the causes of the food poisoning accidents in time when the food safety accidents happen, and takes effective treatment measures. However, the traditional sample storage cabinet is only a storage appliance, and the sample storage time, the sample storage times and the sample storage weight are usually determined manually according to experience, so that confusion is easy to occur, and an intelligent supervision function is not provided. In addition, many elements in the sample reserving system, such as sample reserving quantity, preservation time, sample reserving process and other monitoring processes, cannot be implemented specifically and provide necessary technical guidance.
Disclosure of Invention
The invention aims to provide food sample retention supervision equipment and a food sample retention supervision method.
In a first aspect, the present application provides a food sample retention supervision apparatus comprising: leave a kind cabinet and leave a kind box, leave a kind cabinet and be provided with the storage trench and the weighing device that the confession was left a kind box and was placed, it is provided with electronic tags and contact probe to leave a kind box, be provided with on weighing device's the tray and be used for discerning electronic tags in order to read wherein the label reading device of information and be used for supplying the first connecting hole that the contact probe corresponds the connection, weighing device is set up to the information transmission that will read and weigh after first connecting hole is put through to leaving a kind box, the storage trench is provided with second connecting hole and the timing circuit that is used for the contact probe to correspond the connection, the second connecting hole is set up to start the timing circuit that the storage trench corresponds when being linked through. The electronic probe realizes weighing of the sample and collection of sample reserving information on the one hand, and realizes the effect of timing supervision of sample reserving preservation time on the other hand.
In some embodiments, the sample storage cabinet is provided with a storage area and a metering area from top to bottom, the storage area is provided with a video detection device and a temperature detection device, and is provided with at least one layer of storage partition plate, the storage partition plate is provided with at least one storage slot position, and the weighing device is arranged in the metering area. The video detection device is used for collecting video information in the sample reserving operation process, the temperature detection device is used for monitoring the sample reserving and preserving temperature, and the storage area and the metering area are used for weighing the sample in the sample reserving operation, collecting and reserving the sample.
In some embodiments, the outer wall of the sample cabinet is further provided with a display area, the display area comprises a second display screen and an early warning device, and the early warning device is set to send out an early warning signal when the temperature of the sample cabinet deviates from a preset temperature range or the time for connecting the second connecting hole is less than a preset shortest time threshold. The second display area is used for displaying supervision information in the sample cabinet, and the early warning device sends out early warning information when actual parameters in the sample cabinet deviate from preset parameter values.
In some embodiments, the electronic tag is numbered using an 8-16 bit binary number and attached to the bottom of the sample retention box using a hot stamp. The sample retention box is marked with the unique number, and is printed and attached to the bottom of the sample retention box in a hot stamping mode, so that the sample retention box is not easy to fall off.
In some embodiments, the storage slot is further provided with an indicator light, and the indicator light is configured to send an indicator signal when the tag reading device identifies the number of the electronic tag. Carry out intelligence serial number and the only sign one-to-one on leaving the appearance box with the storage trench, under the guide of pilot signal, correspond bayonet deposit, avoid obscuring, in addition, the serial number position of storage trench and the corresponding relation that leaves the appearance box and deposit are convenient for realize the real-time supervision to the sample.
In some embodiments, the contact probe is configured to couple with the first connection hole or the second connection hole, a metal layer is disposed on an outer edge of a bottom of the contact probe, and at least one switch connection terminal is disposed in the first connection hole and the second connection hole. The switch connection end points adopt a parallel connection mode, the bottom of the contact probe adopts a circular metal layer, and the metal layer of the contact probe is electrically connected with one of the connection end points to form a closed circuit.
In some embodiments, a first display screen is further disposed on the sample reserving box, and the first display screen is configured to display the received sample reserving information and the electronic two-dimensional code generated according to the sample reserving information. First display screen is arranged in the record box to stay a kind information, and the two-dimensional code form stays a kind information and is convenient for other devices automatic acquisition and verification to stay a kind information.
In another aspect, the present application provides a method for supervising food sample retention, comprising:
s1: numbering and inputting the samples into a weighing device synchronously, and sequentially and respectively loading the samples into sample retention boxes with corresponding numbers;
s2: placing the sample reserving box in a weighing device in a mode that the contact probe is inserted into the first connecting hole in sequence, weighing, identifying the electronic tag and writing sample reserving information, and sending an indicating signal by an indicating lamp with a corresponding number;
s3: after the sample retention box is taken out of the weighing device, the contact probe is inserted into the second connecting hole corresponding to the indication signal again, and intelligent timing sample retention is started;
s4: based on video supervision device, temperature supervision device, early warning device and leave a kind box, leave a kind process to the sample and carry out real-time supervision and evidence collection.
In some embodiments, the sample has a weight of no less than 125g, the temperature range is set to [0 ℃,4 ℃), and the minimum time threshold is set to 48 h. The sample weight, the sample storage temperature and the sample storage time of the sample retention box are standardized, and the standard of the food sample retention management system is met, so that a standardized sample retention supervision system is convenient to specify.
In some embodiments, in step S2, in response to the weighing device reading that the weight of the cuvette is greater than the minimum weight threshold, the indicator light of the corresponding storage slot will send an indication signal. And taking out the sample reserving box from the weighing device, and putting the sample reserving box into the corresponding storage slot under the guidance of the indication signal to reserve a sample.
The application discloses a food sample keeping supervision device and method. This setting is including staying the appearance cabinet and staying the appearance box, it sets up storage trench and weighing device to stay the appearance cabinet, it is provided with electronic tags and contact probe to stay the appearance box, be provided with on weighing device's the tray and be used for discerning electronic tags in order to read wherein the label reading device of information and be used for supplying the first connecting hole that the contact probe corresponds the connection, weighing device is set up to the information transmission that will read and the information that obtains of weighing to staying the appearance box after first connecting hole is put through, the storage trench is provided with second connecting hole and the timing circuit that is used for the contact probe to correspond the connection, the second connecting hole is set up to start the timing circuit that the storage trench corresponds when being linked through. Based on this supervision equipment number the sample, weigh and stay the appearance and preserve the processing, acquire the sample and stay the supervision information of collecting evidence of appearance in-process, provide the intelligent supervision scheme that optimizes the sample and stay the appearance.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of a food sample retention supervision apparatus according to an embodiment of the present application;
FIG. 2 is a schematic view of a storage compartment and a retention cartridge in use according to an embodiment of the present application;
FIG. 3 is a structural representation of the bottom of a retention box according to an embodiment of the present application;
FIG. 4 is an operational schematic diagram of a first display screen according to an exemplary embodiment of the present application;
FIG. 5 is a schematic illustration of the front and back sides of a tray according to an embodiment of the present application;
FIG. 6 is a schematic diagram of a food sample retention supervision apparatus according to an embodiment of the present application;
FIG. 7 is a flow chart of sample retention operations using a food sample retention supervision device according to an embodiment of the present application.
It should be understood that the drawings are merely schematic and are not to scale. Description of the reference numerals: 1. the sample reserving cabinet comprises a sample reserving cabinet body, 2. a sample reserving box, 11. a storage area, 12. a metering area, 111. a video detection device, 112. a temperature detection device, 113. a storage partition plate, 1131. a storage slot, 1132. an indicator light, 1133. a second connecting hole, 121. a weighing device, 1211. a tray, 1212. a first connecting hole, 1213. a label reading device, 21. a contact probe, 22. an electronic label, 23. a first display screen, 231. a main display screen and 232. an auxiliary display screen.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the related invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 shows a schematic structural diagram of a food sample retention supervision apparatus according to an embodiment of the present application. As shown in fig. 1, the device includes a sample storage cabinet 1 and a sample storage box 2, the sample storage cabinet 1 is divided into a storage area 11 and a metering area 12, a video detection device 111 and a temperature detection device 112 are installed above the storage area 11, the storage area 11 is provided with a plurality of storage interlayers 113, each storage interlayer 113 is provided with a plurality of storage slots 1131, the metering area 12 is provided with a weighing device 121, the weighing device 121 is provided with a tray 1211, the sample storage box 2 is placed on the tray 1211 for weighing, and after sample storage information is written in, the sample storage box is placed in the storage slots 1131 for timed preservation.
In some embodiments, the outer wall of reserving appearance cabinet 1 still is provided with the display area, the outer wall of reserving appearance cabinet 1 is made for visual glass, be convenient for observe the inside condition of reserving appearance cabinet 1, the display area is set up to include second display screen and early warning device, the second display screen is connected with temperature-detecting device 112, be convenient for supervise the temperature variation of preserving in reserving appearance cabinet 1 in real time, when detecting that the actual temperature in reserving appearance cabinet 1 deviates from the preset temperature scope or the time of reserving appearance box 2 and taking out is less than the preset shortest time threshold, early warning device sends early warning signal and synchronous send to the system backstage.
In some preferred embodiments, the video device 111 can be installed on the left and right sides above the sample cabinet 1, so as to facilitate video recording supervision of the first display screen 23 on the sample box 2 and video information acquisition of operations such as boxing and weighing of samples in the whole sample keeping process, and ensure the specification and authenticity of the sample keeping operation process.
In some embodiments, the temperature detecting device 112 is installed in the storage area 11 and the metering area 12 of the sample cabinet 1, so as to facilitate monitoring the temperature detection of the sample-leaving weighing link and ensure an accurate and efficient environment of the sample-leaving weighing link.
In some embodiments, the storage compartment 113 is detachably disposed in the storage area 11, on one hand, to facilitate cleaning of the storage compartment 113, and on the other hand, the placement of the storage compartment 113 can be adjusted according to the height of the cuvettes 2.
With continued reference to FIG. 2, a schematic diagram of a storage compartment and a retention box in use according to one embodiment of the present application is shown. The storage interlayer 113 is provided with a plurality of storage slot positions 1131, each storage slot position 1131 is provided with an indicator light 1132 and a second connecting hole 1133 correspondingly connected with the contact probe 21 at the bottom of the sample reserving box 2, the bottom edge of the contact probe 21 is wrapped with a metal layer which can be electrically connected with a switch connecting end point at the bottom of the second connecting hole 1133, each storage slot position 1311 is provided with an independent timing circuit, and the timing is started by the contact activation of the contact probe 21 and the switch connecting end point. When the sample retention box 2 is placed on the storage interlayer plate 113 and the contact probe 21 is accurately inserted into the second connection hole 1133, the timer in the storage slot 1131 starts to time the preservation time for the sample retention box 2, and when the sample retention box 2 is taken out and the contact probe 21 is separated from the switch connection end point, the timer connection signal switch in the storage slot 1131 is disconnected, and the sample retention time is stopped and recorded.
In some embodiments, the length and width of the storage slot 1131 should match the length and width of the bottom of the retention box 2, and the size of the hole in the second connecting hole 1133 and the distance between the two holes should be the same as the distance between the two probes of the contact probe 21 in the retention box 2.
In some embodiments, a plurality of switch connection terminals connected in parallel may be disposed at the bottom of the second connection hole 1133, based on the principle that three points form a plane, and under the action of a pressure generated by the weight of the sample retention box 2 and the sample downwards, when the contact probe 21 is connected to one of the switch connection terminals, the timing signal switch on the storage slot 1131 is turned on, and the sample retention time of the sample retention box 2 is started to be timed.
With continued reference to FIG. 3, a structural display of the bottom of a retention box according to one particular embodiment of the present application is shown. As shown in fig. 3, the bottom of the sample retention box 2 is provided with a touch probe 21 and an electronic tag 22, and the sample retention box 2 is a non-metal container for storing a sample. The area of the electronic tag 22 is not less than 20mmX20mm, the electronic tag 22 can be attached to the bottom of the sample retention box 2 in a hot stamping mode, the electronic tag 22 can be set to adopt a binary number representing 8-16 bits for identifying the sample retention box 2, and the number has uniqueness so as to prevent the sample retention box 2 from being used by others. The bottom edge of the contact probe 21 is wrapped with a metal layer to electrically connect to the first connection hole 1212 or the second connection hole 1133.
In some embodiments, the electronic tag 22 may be made of a chipless electronic tag material, and it is necessary that the electronic tag 22 can be directly read by the tag reading device 1213, and the electronic tag 22 also needs to be able to write a unique number. In addition, through the experiment of the inventor many times and adopt chipless electronic tags and close range chipless tag reading device, not only can solve and stay appearance box 2 in the in-service use process, because the cold-stored instability problem that brings with the continuous alternation of hot dish process temperature, and electronic chip 22 is attached to the bottom of staying appearance box 2 through the hot stamping mode in addition, be difficult for droing, but also recycling, reduce the manufacturing cost of staying appearance box 2 and avoid the labeling link in the appearance link at present stage, simplify and stay appearance operation flow.
In some embodiments, the reading operation of the electronic tag 22 is set such that when the sample retention box 2 is placed on the tray 1211 of the weighing device 121, the tag reading device 1213 reads the number on the electronic tag 22.
With continued reference to FIG. 4, an operational schematic of a first display screen is shown, in accordance with a particular embodiment of the present application. As shown in fig. 4, a first display screen 23 is arranged on the side of the sample retention box 2, the first display screen 23 is provided with a main display screen 231 and an auxiliary display screen 232, the main display screen 231 includes the number of the sample retention box 2, the name of the sample retention sample, the weight of the sample retention sample, the message leaving time, the sample retention person, the sampler and other sample retention information, the sample retention information is derived from meal spectrum information input to the weighing device 121 and related information collected on the weighing device 121 when the sample retention box 2 is transmitted to the first display screen 23 on the sample retention box 2 through the contact probe 21 and the first connection hole 1212, the sample retention information is subjected to two-dimensional code electronic coding and displayed on the auxiliary display screen 232, and the two-dimensional code form is convenient for other devices to automatically collect and verify the related sample retention information on the sample retention box 2.
In some embodiments, the name of the sample to be stored needs to be consistent with the meal recipe information, and therefore, the meal recipe information needs to be synchronized to the weighing device 121 before the sample to be stored is collected, or input before the meal recipe plan is made, and the weighing device 121 should have the function of synchronously receiving the meal recipe information or inputting the information to the first display screen 23 on the sample storage box.
In some embodiments, the content information displayed on the main display 231 and the auxiliary display 232 should be the same, but the display forms are different, the text representation form of the main display 231 facilitates remote monitoring and supervision by the video detection device 111, and the auxiliary display 232 facilitates other devices to collect and verify the sample information in the sample-keeping box 2 by scanning the electronic two-dimensional code.
In some embodiments, the display portion and the display driving portion of the first display 23 are separately disposed, the display portion of the first display 23 is attached to the side of the cuvette 2, and the driving portion of the first display 23 is disposed on the weighing apparatus 121, and the driving portion should satisfy a driving unit corresponding to a plurality of display portions. The input of the sample information is reserved for all the sample reserving boxes 2 through one driving unit, the display part and the display driving part of the first display screen 23 are separately arranged, so that the structure of the sample reserving boxes 2 is simplified, the production cost of the sample reserving boxes 2 is reduced, the overall production cost of the sample reserving cabinet is reduced, the authenticity of the sample reserving information is guaranteed, and the sample reserving information is avoided from being changed easily.
In some embodiments, when the sample is weighed, the contact probe 21 on the sample retention box 2 is in point-contact power-on connection with the switch connecting end in the first connecting hole 1212, that is, the display screen portion and the display driving portion on the first display screen 23 are connected by the touch switch, so as to form an integral closed loop, and complete the sample retention information writing link of the first display screen 23.
In some embodiments, the display portion of the first display 23 may be an electronic paper display, which, once written with the sample retention information, no longer requires power maintenance, and may keep the input sample retention information unchanged until electrically connected to the display driving portion again. When the electronic paper display screen is pushed to display contents, the original contents can be continuously displayed without changing until new display contents are pushed without power supply maintenance, and in addition, the display characteristics are maintained without power supply, so that the energy-saving effect can be met, and the temperature rise and the influence on the environment temperature of the reserved sample can be avoided in the specific sample reserving link.
With continued reference to FIG. 5, a schematic illustration of the front and back sides of a tray according to a specific embodiment of the present application is shown. The front surface of the tray 1211 on the weighing device 121 is provided with a first connection hole 1212, the back surface is provided with a label reading device 1213, the switch connection end of the first connection hole 1212 is in contact with the contact probe 21 and is electrically connected, and the label reading device 1213 is used for identifying the electronic label 22 at the bottom of the sample retention box 2 and reading the number on the sample retention box 2.
In some embodiments, the weighing device 121 may be a small-scale electronic weighing device that weighs the sample and collects the number information on the retention cartridge 2, wherein the weighing device is further provided with a processor and a keyboard. The method can quickly input names of the common recipes or import the common recipe information, select the current sample to be reserved from the imported information, obtain the sample to be reserved food information, and ensure the consistency of the sample to be reserved in the recipes or the recipe information. The information of the chef and the sample retention person is selected in the supervision system through the simple keyboard, so that the correlation between the information of the sample retention and the information of the sample retention person is realized. The information of the chef and the person responsible for the sample is collected and locked by the video detection device 111. In addition, the method can also be used for editing and correcting obviously wrong sample reserving information and the like, standardizing the sample reserving process and perfecting the sample reserving operation steps.
In some embodiments, the tag reading device 1213 can read information in a high frequency band, and when the contact probe 21 on the cuvette 2 is inserted into the first connection hole 1212, the tag reading device 1213 starts to read the serial number of the electronic tag 22 on the bottom of the cuvette 2, which is a binary number of 8-16 bits, and writes the remaining sample information on the first display 23 on the cuvette 2 by electrically connecting the contact probe 21 with the switch connection point of the first connection hole 1212.
In some embodiments, to read the electronic tag 22 on the sample retention box 2, the weighing tray is made of a non-metallic material and has a thickness not exceeding 10 mm. It should be understood that the tag reading device 1213 may be disposed on the upper surface of the tray 1211 as long as the function of reading and identifying the electronic tag 22 is satisfied.
In some embodiments, the weighing apparatus 121 is provided with a display driving portion of the first display 23, and the display driving portion of the first display 23 is connected to the switch connecting terminal point below the hole. The outer edge of the bottom of the touch probe 21 of the sample retention box 2 is provided with a metal layer, when the touch probe 21 is inserted into the first connecting hole 1212, the two touch probes 21 are respectively connected with the two ends of the display driving part circuit of the first display screen 23, the display driving part and the display part of the first display screen 23 are in conduction connection to form a whole, and the writing of sample retention and collection information can be implemented at the moment.
In some embodiments, when the sample weight of the sample box 2 is greater than the minimum weight threshold value, the sample information is automatically written into the first electronic display 23, and meanwhile, the weighing device 121 automatically allocates the storage slot 1131 with the corresponding number to the sample box 2, and the indicator light 1132 of the allocated storage slot 1131 emits a flashing indication signal.
In some embodiments, the hole locations and the spacing between the first connection holes 1212 on the tray 1211 should correspond to the probe sizes and spacing specifications between the two probes corresponding to the contact probes 21 in the cuvette 2.
In some embodiments, a plurality of switch connection terminals connected in parallel may be disposed at the bottom of the first connection hole 1212, and based on the principle that three points are in a plane, when the touch probe 21 is connected to one of the switch connection terminals under the action of the pressure generated by the weight of the cuvette 2 and the sample, the display driving switch on the weighing apparatus 121 is turned on, and simultaneously the weighing information obtained by the weighing apparatus 121 and the number information on the electronic tag 22 read by the tag reading apparatus 1213 are transmitted to the first display 23, so as to complete the writing of the sample information into the first display 23.
With continued reference to FIG. 6, a schematic structural diagram of a food sample retention supervision apparatus in accordance with a specific embodiment of the present application is shown. The intelligent food sample keeping monitoring device 601 comprises a sample keeping cabinet 1 and a sample keeping box 2, wherein the sample keeping cabinet 1 is set to comprise an information acquisition and storage bit distribution module 602, a storage time duration monitoring module 603, a temperature monitoring module 604, a video monitoring module 605 and an intelligent early warning module 606.
In some embodiments, the information collecting and storage bit allocating module 602 is connected to the weighing device 121 and the storage partition 113, so that when the weighing device 121 finishes that the weighing of the sample retention box 2 is greater than the minimum weight threshold, the collected sample retention information is transmitted to the first display screen 23 of the sample retention box 2, and meanwhile, the read number information of the electronic tag 22 on the sample retention box 2 is transmitted to the storage partition 113, so that the indicator light 1132 on the corresponding storage slot 1131 sends out an indication signal, and the allocation work of the sample retention box 2 corresponding to the storage slot 1131 is finished.
In some embodiments, the storage duration monitoring module 603 is connected to a timer in the storage slot 1131, when the sample retention box 2 is placed in the storage slot 1131 and the contact probe 21 is accurately inserted into the second connection hole 1133, the timer in the storage slot 1131 is started to time the storage duration for the sample retention box 2, and when the sample retention box 2 is taken out and the contact probe 21 is separated from the switch connection end point, the timer connection signal switch in the storage slot 1131 is disconnected, and the sample retention duration is stopped and recorded.
In some embodiments, the temperature monitoring module 604 is connected to the temperature detecting device 112, so as to monitor and process the preservation temperature of the sample retention cabinet 1 in real time.
In some embodiments, the video monitoring module 605 is connected to the video detecting device 111, so as to facilitate video monitoring of the first display screen 23 on the sample storage box 2 and video information acquisition of operations such as boxing and weighing of the sample in the whole sample storage process, thereby ensuring the specification and authenticity of the sample storage operation process.
In some embodiments, the intelligent early warning module 606 is connected to the early warning device, and when the temperature detection device 112 detects that the actual temperature in the sample retention cabinet 1 deviates from the preset temperature range or the time for taking out the sample retention box 2 is less than the preset minimum time threshold, the early warning device sends out an early warning signal and synchronously sends the early warning signal to the system background.
In addition, the application also provides a sample retention operation flow chart of the food sample retention supervision device. As shown in fig. 7, the method includes:
s1: the samples are numbered and input into the weighing device 121 synchronously, and the samples are sequentially and respectively loaded into the sample retention boxes 2 with corresponding numbers;
s2: placing the sample retention box 2 on the weighing device 121 in a manner that the contact probe 21 is inserted into the first connection hole 1212 in sequence, weighing, identifying the electronic tag 22, writing sample retention information, and sending an indication signal by the indicator light 1132 with a corresponding number;
s3: after the sample retention box 2 is taken out of the weighing device 121, the contact probe 21 is inserted into the second connecting hole 1133 corresponding to the indication signal, and intelligent timing and sample retention are started;
s4: based on the video detection device 111, the temperature detection device 112 and the sample reserving box 2, the sample reserving process is monitored and proved in real time.
In some embodiments, before step S1, each storage slot 1131 in the storage partition 113 is configured to be connected to the processor of the weighing device 121, and when the weighing device 121 weighs a sample retention box 2 that is greater than the minimum weight threshold and recognizes the label of the electronic tag 22 at the bottom of the sample retention box 2, the indicator light 1132 on the corresponding numbered storage slot 1131 will send an indication signal.
In some embodiments, each storage slot 1131 is configured to include a set of independent time switch contacts connected to the switch connection terminal of the second connection hole 1133, and when the contact probe 21 of the retention box 2 is inserted into the second connection hole 1133 and the contact probe 21 is electrically connected to the switch connection terminal at the bottom of the second connection hole 1133, the timer corresponding to the storage slot 1131 starts to start the retention time, until the retention box 2 is taken out, and the contact probe 21 is disconnected from the switch connection terminal at the bottom of the second connection hole 1133, and the time is stopped.
In some embodiments, in step S3, when the sample retention box 2 after the information collection step on the weighing device 121 is placed in the allocated corresponding storage slot 1131, the first display 23 in the sample retention box 2 is turned outward, and the contact probe 21 is inserted into the second connection hole 1133, so as to connect the timing circuit. Leave a kind information and show on first display screen 23 with text and the dual form of electron two-dimensional code this moment, the display result can be clearly shot by video detection device 111, and whole operation process of leaving a kind is accomplished in leaving a kind cabinet 1 simultaneously, and video detection device 111 can take notes operation process video information, through digital information and video information uniformity, ensures to leave a kind the authenticity of information of gathering.
In some embodiments, leave a second display screen of appearance cabinet 1 outer wall and be used for showing temperature information and alarm information in leaving a kind cabinet 1, when temperature detection device 112 detects to leave a temperature in the appearance cabinet 1 and be higher than 4 degrees centigrade or be less than 0 degrees centigrade, send early warning information and send early warning information to the system backstage in step through early warning device, or when leaving a kind box 2 and take out, the latency who detects the sample and preserve is less than minimum time threshold value (48 hours), send early warning information and send early warning information to the system backstage in step through early warning device.
In some embodiments, the video detection device 111 may include one or more cameras installed at the left and right sides of the upper end of the sample cabinet 1, so as to perform video evidence collection and storage for the sample boxing and weighing processes and the operator. Through the video information collection to the operation process, the true reliability of the sample information of reserving the sample collection is ensured, and in addition, the video information can be remotely accessed and played, so that the remote supervision is facilitated.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention herein disclosed is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the spirit of the invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1. The utility model provides a food stays a kind supervisory equipment, its characterized in that, is including staying a kind cabinet and staying a kind box, it is provided with the confession to stay a kind cabinet stay storage trench and weighing device that the kind box was placed, it is provided with electronic tags and contact probe to stay kind box, be provided with on weighing device's the tray and be used for discerning electronic tags is with reading the label reading device of information wherein and being used for supplying contact probe corresponds the first connecting hole of connecting, weighing device is set up to be in after the first connecting hole is put through will read information and the information transmission who obtains of weighing extremely stay kind box, the storage trench is provided with and is used for contact probe corresponds the second connecting hole and the timing circuit who connects, the second connecting hole is set up to start when being linked up the timing circuit that the storage trench corresponds.
2. A food sample keeping supervision device according to claim 1, characterized in that the sample keeping cabinet is provided with a storage area and a metering area from top to bottom, the storage area is provided with a video detection device and a temperature detection device, and is provided with at least one layer of storage partition, the storage partition is provided with at least one storage slot, and the weighing device is placed in the metering area.
3. The food sample keeping and supervising device according to claim 2, wherein a display area is further arranged on the outer wall of the sample keeping cabinet, the display area comprises a second display screen and an early warning device, and the early warning device is set to send out an early warning signal when the temperature of the sample keeping cabinet deviates from a preset temperature range or the time for which the second connecting hole is connected is less than a preset minimum time threshold.
4. A food sample retention supervision device according to claim 1, characterized in that said electronic tag is numbered in 8-16 bit binary number and attached to the bottom of said sample retention box by hot stamping.
5. The food sample keeping supervision device according to claim 1, wherein the storage slot is further provided with an indicator light, and the indicator light is configured to send an indication signal when the tag reading device identifies the number of the electronic tag.
6. The food sample keeping and supervising device according to claim 1, wherein the contact probe is configured to couple with the first connection hole or the second connection hole, a metal layer is disposed on an outer edge of a bottom of the contact probe, and at least one switch connection terminal is disposed in the first connection hole and the second connection hole.
7. The food sample keeping and supervising device according to claim 1, wherein a first display screen is further arranged on the sample keeping box, and the first display screen is arranged to display the received sample keeping information and the electronic two-dimensional code generated according to the sample keeping information.
8. A method of food sample retention supervision using a food sample retention supervision apparatus as claimed in any one of claims 1 to 7, the method comprising:
s1: numbering and inputting samples into the weighing device synchronously, and sequentially and respectively loading the samples into the sample retention boxes with corresponding numbers;
s2: placing the sample reserving box in the weighing device in a mode that the contact probe is inserted into the first connecting hole in sequence, weighing, identifying the electronic tag and writing the sample reserving information, and sending an indicating signal by the indicating lamp with the corresponding number;
s3: after the sample retention box is taken out of the weighing device, the contact probe is inserted into the second connecting hole corresponding to the indication signal again, and intelligent timing sample retention is started;
s4: based on the video detection device, the temperature detection device, the early warning device and the sample retention box, the sample retention process is monitored and evidence is obtained in real time.
9. A method of supervising food sample retention according to claim 8, wherein said minimum weight threshold of said sample is 125g, said temperature range is set to [0 ℃,4 ℃), and said minimum time threshold is set to 48 h.
10. A method for supervising food sample retention according to claim 9, wherein in step S2, in response to the weighing device reading that the weight of the sample retention box is greater than the minimum weight threshold, the indicator light of the corresponding storage slot will send the indication signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910926416.9A CN110688869A (en) | 2019-09-27 | 2019-09-27 | Food sample keeping supervision equipment and system |
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| CN201910926416.9A CN110688869A (en) | 2019-09-27 | 2019-09-27 | Food sample keeping supervision equipment and system |
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