CN213274639U - Temperature monitoring early warning cold chain case - Google Patents
Temperature monitoring early warning cold chain case Download PDFInfo
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- CN213274639U CN213274639U CN202021658964.2U CN202021658964U CN213274639U CN 213274639 U CN213274639 U CN 213274639U CN 202021658964 U CN202021658964 U CN 202021658964U CN 213274639 U CN213274639 U CN 213274639U
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Abstract
The utility model discloses a temperature monitoring and early warning cold chain box, which is provided with a central processing unit, a temperature detection device connected with the central processing unit, an open box monitoring circuit, a clock circuit, an alarm module, a power module and a storage unit; respectively acquiring temperature information of a storage cavity in the cold chain box body and opening state information of the box body by using a temperature detection device and an opening monitoring circuit and uploading the temperature information and the opening state information to a central processing unit; meanwhile, the clock circuit provides a reference clock signal for the central processing unit for temperature early warning comparison; and finally, the central processing unit carries out temperature early warning comparison according to the temperature threshold range of the cold chain box stored in the storage unit to generate an alarm signal, and drives the alarm module to trigger alarm. The utility model discloses a monitoring to cold chain case switching state adopts different temperature acquisition frequencies, then compares the sampling temperature who gathers with the temperature threshold value scope, can open and close two kinds of states to the cold chain case and gather the most accurate change law and carry out temperature monitoring.
Description
Technical Field
The utility model relates to a cold chain control technical field especially relates to a temperature monitoring early warning cold chain case.
Background
Cold Chain Logistics generally refers to a system project of refrigerating, transporting and selling foods and medicines in production, storage and sale, and always keeping the foods and medicines in a specified low-temperature environment in all links before consumption so as to ensure the quality of the foods and medicines and reduce the loss of the foods and medicines. The application range of the cold-chain material flow comprises the following steps: primary agricultural products: vegetables, fruits; meat, poultry, eggs; aquatic products, flower products; processing food: quick-frozen food, fowl, meat, aquatic product, etc. can be used for packaging cooked food, ice cream and milk product, and chocolate; a snack food material. Special goods: a pharmaceutical composition. The cold chain of food and medicine is a supply chain system which aims at ensuring the quality of perishable food and medicine and has the core requirement of maintaining low-temperature environment, so the cold chain of food and medicine has higher and more complex requirements than the common normal-temperature logistics system. However, the real-time monitoring of the internal temperature of the cold chain box can not be realized in the conveying process of the existing cold chain box, the constant of the internal temperature of the cold chain box is difficult to guarantee, the temperature environment required by articles in the cold chain conveying process can not be effectively guaranteed, meanwhile, the temperature change rules are completely different under the different states of opening and closing of the cold chain box body, and the requirement in cold chain logistics can not be well met by adopting the same temperature acquisition frequency display. Therefore, how to improve the temperature monitoring accuracy and monitoring efficiency of the cold chain box is a technical problem which needs to be solved urgently.
The above is only for the purpose of assisting understanding of the technical solutions of the present invention, and does not represent an admission that the above is the prior art.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a temperature monitoring early warning cold chain case aims at solving the cold chain logistics in-process cold chain case that exists among the prior art's temperature monitoring accuracy and the technical problem that monitoring efficiency is low.
In order to achieve the above object, the utility model provides a temperature monitoring and early warning cold chain case, which comprises a cold chain case body and a core circuit, wherein the core circuit comprises a central processing unit, a temperature detection device connected with the central processing unit, an open-case monitoring circuit, a clock circuit, an alarm module, a power module and a storage unit; wherein:
preferably, the temperature detection device collects temperature information of a storage cavity in the cold chain box body and uploads the temperature information to the central processing unit; the box opening monitoring circuit monitors the opening state information of the cold chain box body and uploads the information to the central processing unit; the clock circuit provides a reference clock signal for the central processing unit for temperature early warning comparison, the storage unit stores a temperature threshold range of the cold chain box for the central processing unit to perform temperature early warning comparison to generate an alarm signal, the alarm module receives the alarm signal sent by the central processing unit to trigger alarm, and the power module supplies power for the circuits through the central processing unit.
Preferably, the reference clock signal generated by the clock circuit includes a first clock signal and a second clock signal, and the central processing unit determines a corresponding first temperature acquisition frequency and a corresponding second temperature acquisition frequency according to the first clock signal and the second clock signal transmitted by the clock circuit.
Preferably, the box opening monitoring circuit adopts a photoelectric sensor to acquire the opening state information of the box body.
Preferably, the central processing unit receives a first clock signal and a second clock signal transmitted by a clock circuit and state information of opening of the box body collected by the box opening monitoring circuit, selects a corresponding temperature collection frequency according to the state information of opening of the box body, samples the temperature information transmitted by the box opening monitoring circuit, acquires the sampled temperature information in the box body, and compares the sampled temperature information with a temperature threshold value for early warning.
Preferably, the temperature monitoring and early warning cold chain box further comprises a warning module, the warning module adopts an acousto-optic warning circuit, the acousto-optic warning circuit is connected with the central processing unit, and the warning module triggers a warning action according to the received warning signal.
Preferably, the temperature monitoring and early warning cold chain case further comprises a display module, wherein the display module adopts an LCD (liquid crystal display) screen and is used for visualizing the temperature information and the case opening state information collected by the central processing unit.
Preferably, the temperature monitoring and early warning cold chain case further comprises a communication module, the communication module adopts a wireless communication module, and data communication is carried out through the communication module and a far-end cold chain case monitoring server or a cold chain case monitoring terminal to transmit current state information of the cold chain case so as to trigger alarm of the monitoring server or the monitoring terminal.
In the utility model, the temperature detection device, the box opening monitoring circuit, the clock circuit, the alarm module, the power module and the storage unit are arranged on the central processing unit and are connected with the central processing unit; the temperature detection device is used for acquiring temperature information of a storage cavity in the cold chain box body and uploading the temperature information to the central processing unit, and the box opening monitoring circuit is used for monitoring the opening state information of the cold chain box body and uploading the information to the central processing unit; meanwhile, the clock circuit provides a reference clock signal for the central processing unit for temperature early warning comparison; and finally, the central processing unit carries out temperature early warning comparison according to the temperature threshold range of the cold chain box stored in the storage unit to generate an alarm signal, and drives the alarm module to trigger alarm. The utility model discloses a monitoring to cold chain case switching state adopts different temperature acquisition frequencies, then compares the sampling temperature who gathers with the temperature threshold value scope, can open and close two kinds of states to the cold chain case and gather the most accurate change law and carry out temperature monitoring, aim at the temperature monitoring accuracy and the monitoring inefficiency of the cold chain case of cold chain logistics in-process who exists among the solution prior art technical problem.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is the utility model provides a temperature monitoring early warning cold chain case circuit structure principle schematic diagram.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, it should be considered that the combination of the technical solutions does not exist, and is not within the protection scope of the present invention.
The utility model provides an embodiment, refer to fig. 1, fig. 1 is the utility model provides a temperature monitoring early warning cold chain case circuit structure principle schematic diagram.
As shown in fig. 1, in this embodiment, a temperature monitoring and early warning cold chain box includes a cold chain box body and a core circuit, where the core circuit includes a central processing unit, and a temperature detection device, an open box monitoring circuit, a clock circuit, an alarm module, a power module, and a storage unit, which are connected to the central processing unit; wherein:
preferably, the temperature detection device collects temperature information of a storage cavity in the cold chain box body and uploads the temperature information to the central processing unit; the box opening monitoring circuit monitors the opening state information of the cold chain box body and uploads the information to the central processing unit; the clock circuit provides a reference clock signal for the central processing unit for temperature early warning comparison, the storage unit stores a temperature threshold range of the cold chain box for the central processing unit to perform temperature early warning comparison to generate an alarm signal, the alarm module receives the alarm signal sent by the central processing unit to trigger alarm, and the power module supplies power for the circuits through the central processing unit.
Furthermore, the reference clock signal generated by the clock circuit includes a first clock signal and a second clock signal, and the central processing unit determines a corresponding first temperature acquisition frequency and a corresponding second temperature acquisition frequency according to the first clock signal and the second clock signal transmitted by the clock circuit.
The box opening monitoring circuit adopts a photoelectric sensor to acquire the opening state information of the box body.
Furthermore, the central processing unit receives the first clock signal and the second clock signal transmitted by the clock circuit and the box opening state information acquired by the box opening monitoring circuit, selects the corresponding temperature acquisition frequency according to the box opening state information, samples the temperature information transmitted by the box opening monitoring circuit, acquires the sampled temperature information in the box body, and performs early warning comparison on the temperature threshold value.
It should be noted that, in this embodiment, when the box is opened, the central processing unit determines that the first temperature acquisition frequency is the current temperature acquisition frequency, and is set to 0.2, that is, when the box is opened, the temperature in the cold chain box is acquired every 5 seconds to compare the temperature threshold range; and when the box is closed, the central processing unit determines that the second temperature acquisition frequency is the current temperature sampling frequency and is set to be 0.05, namely, the temperature in the cold chain box is acquired every 20 seconds during the box closing process to compare the temperature threshold range. In the embodiment, a higher temperature sampling frequency can be adopted when the temperature in the cold chain box changes greatly after the box is opened, so that the temperature in the cold chain box can be monitored more accurately, an alarm signal can be transmitted more timely, and the quality of articles stored in the cold chain box is ensured; in addition, a lower temperature sampling frequency can be adopted when the temperature in the cold chain box is relatively stable after the box is closed, and energy consumption is reduced.
In another feasible embodiment, the temperature monitoring and early warning cold chain box further comprises an alarm module, the alarm module adopts an acousto-optic alarm circuit, the acousto-optic alarm circuit is connected with the central processing unit, and the alarm module triggers an alarm action according to the received alarm signal.
In another feasible embodiment, the temperature monitoring and early warning cold chain box further comprises a display module, and the display module adopts an LCD (liquid crystal display) screen and is used for visualizing the temperature information and the box opening state information collected by the central processing unit.
In another possible embodiment, the temperature monitoring and early warning cold chain box further comprises a communication module, and the communication module adopts a wireless communication module, and transmits the current state information of the cold chain box through data communication with a remote cold chain box monitoring server or a cold chain box monitoring terminal so as to trigger the alarm of the monitoring server or the monitoring terminal.
In the embodiment, a central processing unit, a temperature detection device connected with the central processing unit, an open box monitoring circuit, a clock circuit, an alarm module, a power supply module and a storage unit are arranged; the temperature detection device is used for acquiring temperature information of a storage cavity in the cold chain box body and uploading the temperature information to the central processing unit, and the box opening monitoring circuit is used for monitoring the opening state information of the cold chain box body and uploading the information to the central processing unit; meanwhile, the clock circuit provides a reference clock signal for the central processing unit for temperature early warning comparison; and finally, the central processing unit carries out temperature early warning comparison according to the temperature threshold range of the cold chain box stored in the storage unit to generate an alarm signal, and drives the alarm module to trigger alarm. The utility model discloses a monitoring to cold chain case switching state adopts different temperature acquisition frequencies, then compares the sampling temperature who gathers with the temperature threshold value scope, can open and close two kinds of states to the cold chain case and gather the most accurate change law and carry out temperature monitoring. The technical scheme of this embodiment aims at solving the temperature monitoring accuracy and the low technical problem of monitoring efficiency of cold chain case among the prior art in the cold chain logistics process.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (7)
1. A temperature monitoring and early warning cold chain box is characterized by comprising a cold chain box body and a core circuit, wherein the core circuit comprises a central processing unit, a temperature detection device, an open box monitoring circuit, a clock circuit, an alarm module, a power supply module and a storage unit, wherein the temperature detection device, the open box monitoring circuit, the clock circuit, the alarm module, the power supply module and the storage unit are connected with the central processing unit; wherein:
the temperature detection device collects temperature information of a storage cavity in the cold chain box body and uploads the temperature information to the central processing unit; the box opening monitoring circuit monitors the opening state information of the cold chain box body and uploads the information to the central processing unit; the clock circuit provides a reference clock signal for the central processing unit for temperature early warning comparison, the storage unit stores a temperature threshold range of the cold chain box for the central processing unit to perform temperature early warning comparison to generate an alarm signal, the alarm module receives the alarm signal sent by the central processing unit to trigger alarm, and the power module supplies power for the circuits through the central processing unit.
2. The cold chain box of claim 1, wherein the reference clock signal generated by the clock circuit comprises a first clock signal and a second clock signal, and the central processing unit determines a corresponding first temperature acquisition frequency and a corresponding second temperature acquisition frequency according to the first clock signal and the second clock signal transmitted by the clock circuit.
3. The cold chain box with the temperature monitoring and early warning function as claimed in claim 2, wherein the box opening monitoring circuit adopts a photoelectric sensor to acquire the opening state information of the box body.
4. The cold chain box with the temperature monitoring and early warning function as claimed in claim 3, wherein the central processing unit receives the first clock signal and the second clock signal transmitted by the clock circuit and the box opening state information acquired by the box opening monitoring circuit, selects the corresponding temperature acquisition frequency according to the box opening state information, samples the temperature information transmitted by the box opening monitoring circuit, and obtains the sampled temperature information in the box for early warning comparison of the temperature threshold.
5. The cold chain box for temperature monitoring and early warning as claimed in claim 1, further comprising an alarm module, wherein the alarm module employs an audible and visual alarm circuit, and the audible and visual alarm circuit is connected to the central processing unit and triggers an alarm action according to the received alarm signal.
6. The temperature monitoring and early warning cold chain box as claimed in claim 1, further comprising a display module, wherein the display module adopts an LCD screen for visualizing the temperature information and the box opening state information collected by the central processing unit.
7. The temperature monitoring and early warning cold chain box as claimed in claim 1, further comprising a communication module, wherein the communication module adopts a wireless communication module to transmit the current state information of the cold chain box through data communication with a remote cold chain box monitoring server or a cold chain box monitoring terminal, so as to trigger the alarm of the monitoring server or the monitoring terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021658964.2U CN213274639U (en) | 2020-08-11 | 2020-08-11 | Temperature monitoring early warning cold chain case |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021658964.2U CN213274639U (en) | 2020-08-11 | 2020-08-11 | Temperature monitoring early warning cold chain case |
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| CN213274639U true CN213274639U (en) | 2021-05-25 |
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| CN202021658964.2U Expired - Fee Related CN213274639U (en) | 2020-08-11 | 2020-08-11 | Temperature monitoring early warning cold chain case |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115273420A (en) * | 2022-08-04 | 2022-11-01 | 郴州恒维电子有限公司 | Cold-chain logistics turnover box management system based on bistable liquid crystal sheet |
-
2020
- 2020-08-11 CN CN202021658964.2U patent/CN213274639U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115273420A (en) * | 2022-08-04 | 2022-11-01 | 郴州恒维电子有限公司 | Cold-chain logistics turnover box management system based on bistable liquid crystal sheet |
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