CN204923674U - Food spoilage detects preservation box - Google Patents
Food spoilage detects preservation box Download PDFInfo
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- CN204923674U CN204923674U CN201520691506.1U CN201520691506U CN204923674U CN 204923674 U CN204923674 U CN 204923674U CN 201520691506 U CN201520691506 U CN 201520691506U CN 204923674 U CN204923674 U CN 204923674U
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Abstract
The utility model discloses a food spoilage detects preservation box, including the preservation box body, be provided with alarm, touch -sensitive screen, first pilot lamp, second pilot lamp and third pilot lamp on the surface of preservation box body, be provided with the electronic circuit board in the bottom of preservation box body, the integration has singlechip, power supply and touch -sensitive screen drive circuit on the electronic circuit board, the input termination of singlechip has AD converting circuit, AD converting circuit's input termination has signal conditioning circuit, signal conditioning circuit's input termination has conductivity sensor, humidity transducer and PH sensor, the signal acquisition end of conductivity sensor's signal acquisition end, humidity transducer's signal acquisition end and PH sensor all exposes on the bottom internal surface of preservation box body, the utility model relates to a novelty, simple structure, it is high to detect the food spoilage precision, and it is many to detect the index, and the function is complete, and the suggestion of reporting to the police is directly perceived, convenient to use, the practicality is strong.
Description
Technical field
The utility model belongs to food fresh-keeping monitoring technical field, is specifically related to a kind of food spoilage and detects crisper.
Background technology
In current life staying idle at home, refrigerator becomes the fresh-keeping common electric of town dweller's food storage, be positioned over food in cold storage chamber of refrigerator to Avoid Tainting, usual employing crisper closes independent preservation, but it does not have the putrid and deteriorated measuring ability storing various kinds of foods, simultaneously, food putrid and deteriorated in various degree not all presents variable color, spoiled, mouldy grade artificially judges feature, user is caused to exist to eat by mistake the risk of deteriorating food or erroneous judgement to abandon the waste behavior of depositing a period of time non-deteriorating food, the Testing index of existing food spoilage determinator is single biased, and major part can not be supplied to user's continuous print food directly perceived supplemental characteristic, cause user to believe one side only and cannot science reliably synthetic determination storage food whether go bad, therefore, nowadays lack a kind of food spoilage and detect crisper, by crisper internal circuit continuous collecting, process, instruction stores the multi-parameter index of food, real-time detection food resistance, humidity data and pH value change consider food spoilage situation, and the corresponding indicator lamp of each Testing index intuitively shows food spoilage situation, arrange alarm reminds user to process the food of refrigerator storage in time simultaneously, safety and sanitation, and electronic circuit board is set bottom crisper to the achievement data filter amplifying processing gathered, accuracy of detection is high, volume is little, easy to use, complete function.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of food spoilage is provided to detect crisper, it is rationally novel in design, and structure is simple, detects food spoilage precision high, Testing index is many, complete function, alarm is directly perceived, easy to use, practical, be convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of food spoilage detects crisper, comprise crisper body, it is characterized in that: the outer surface of described crisper body is provided with alarm, touch-screen, be used to indicate food resistance exception the first indicator lamp, be used to indicate the second indicator lamp that food moisture exceeds standard and the 3rd indicator lamp being used to indicate food pH value exception, be provided with electronic circuit board in the bottom of described crisper body; The driving circuit described electronic circuit board being integrated with single-chip microcomputer, power supply and connecting with described single-chip microcomputer, the input of described single-chip microcomputer is connected to A/D change-over circuit, the input of described A/D change-over circuit is connected to signal conditioning circuit, the input of described signal conditioning circuit is connected to conductivity sensor, humidity sensor and PH sensor, and the signals collecting end of the signals collecting end of described conductivity sensor, the signals collecting end of humidity sensor and PH sensor is all exposed on the abase layer interior surface of crisper body; Described touch-screen connects with driving circuit, and the input of described first indicator lamp, the input of the second indicator lamp, the input of the 3rd indicator lamp and the input of alarm all connect with the output of single-chip microcomputer; Described single-chip microcomputer comprises single-chip microcomputer STC89C52.
Above-mentioned a kind of food spoilage detects crisper, it is characterized in that: described signal conditioning circuit comprises amplifier U1, amplifier U2, amplifier U3, connectivity port P1 and bnc interface P2, the in-phase input end of described amplifier U1 connects with the 2nd pin of connectivity port P1 through resistance R4 and resistance R3, the inverting input of amplifier U1 is through resistance R1 ground connection, the output of amplifier U1 divides two-way, one tunnel connects with the inverting input of amplifier U1 through resistance R2, and another road connects with A/D change-over circuit; The in-phase input end of described amplifier U2 connects with the 4th pin of connectivity port P1 through resistance R9 and resistance R8, the inverting input of amplifier U2 is through resistance R6 ground connection, the output of amplifier U2 divides two-way, and a road connects with the inverting input of amplifier U2 through resistance R7, and another road connects with A/D change-over circuit; The in-phase input end of described amplifier U3 connects with the signal end of bnc interface P2 through resistance R15 and resistance R14, the inverting input of amplifier U3 is through resistance R12 ground connection, the output of amplifier U3 divides two-way, one tunnel connects with the inverting input of amplifier U3 through resistance R13, and another road connects with A/D change-over circuit; The equal ground connection of 3rd pin of the shell body of bnc interface P2, the 1st pin of connectivity port P1 and connectivity port P1.
Above-mentioned a kind of food spoilage detects crisper, and it is characterized in that: described conductivity sensor comprises sensor GF3-2820-1, the signal output part of described sensor GF3-2820-1 connects with the 2nd pin of connectivity port P1.
Above-mentioned a kind of food spoilage detects crisper, and it is characterized in that: described humidity sensor comprises sensor RB-02S047, the signal output part of described sensor RB-02S047 connects with the 4th pin of connectivity port P1.
Above-mentioned a kind of food spoilage detects crisper, and it is characterized in that: described PH sensor comprises sensor PH-1110B, described sensor PH-1110B is arranged on bnc interface P2.
Above-mentioned a kind of food spoilage detects crisper, it is characterized in that: described driving circuit comprises driving chip ADS7846 and connectivity port P3, the DCLK pin of described driving chip ADS7846, / CS pin, DIN pin, BUSY pin, DOUT pin and/PEN pin respectively with the P1.0 pin of single-chip microcomputer STC89C52, P1.1 pin, P1.2 pin, P1.3 pin, P1.4 pin and P3.2 pin connect, the VCC pin of driving chip ADS7846 connects with 5V power output end, 1st pin of described connectivity port P3, 2nd pin, 3rd pin and the 4th pin respectively with the Y-pin of driving chip ADS7846, X-pin, Y+ pin and X+ pin connect.
Above-mentioned a kind of food spoilage detects crisper, and it is characterized in that: described touch-screen comprises 2.8 cun of colored touch screens, described 2.8 cun of colored touch screens are arranged on the P3 of connectivity port.
Above-mentioned a kind of food spoilage detects crisper, it is characterized in that: described power supply comprises charged lithium cells.
The utility model compared with prior art has the following advantages:
1, the utility model arranges electronic circuit board at the bottom of crisper, and volume is little, and circuit is simple, is convenient to promote the use of.
2, the utility model carries out filter amplifying processing by signalization modulate circuit respectively to the signal of telecommunication that the food resistance gathered, humidity data and pH value are faint, precision is high, effective, reliable and stable, arrange three indicator lamps simultaneously and carry out real-time prompting to food resistance, humidity data and pH value abnormal conditions respectively, effect is directly perceived.
3, the utility model is by arranging touch-screen, and can arrange respective parameter threshold respectively while display food resistance, humidity data and pH value, input cost is low, and display effect is good.
4, the utility model is rationally novel in design, and circuit is simple, and in time to abnormal conditions alarm, fast response time, adopts chargeable lithium cell Power supply, energy-conserving and environment-protective, practical, is convenient to promote the use of.
In sum, the utility model is rationally novel in design, and structure is simple, and detect food spoilage precision high, Testing index is many, complete function, and alarm is directly perceived, easy to use, practical, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model.
Fig. 2 is the circuit theory diagrams of the utility model single-chip microcomputer.
Fig. 3 is the circuit theory diagrams of the utility model driving circuit.
Fig. 4 is the circuit theory diagrams of the utility model signal conditioning circuit.
Description of reference numerals:
1-conductivity sensor; 2-humidity sensor; 3-PH sensor;
4-signal conditioning circuit; 5-A/D change-over circuit; 6-single-chip microcomputer;
7-the first indicator lamp; 8-the second indicator lamp; 9-the three indicator lamp;
10-alarm; 11-driving circuit; 12-touch-screen;
13-power supply.
Detailed description of the invention
As depicted in figs. 1 and 2, the utility model comprises crisper body, the outer surface of described crisper body is provided with alarm 10, touch-screen 12, be used to indicate food resistance exception the first indicator lamp 7, be used to indicate the second indicator lamp 8 that food moisture exceeds standard and the 3rd indicator lamp 9 being used to indicate food pH value exception, be provided with electronic circuit board in the bottom of described crisper body; The driving circuit 11 described electronic circuit board being integrated with single-chip microcomputer 6, power supply 13 and connecting with described single-chip microcomputer 6, the input of described single-chip microcomputer 6 is connected to A/D change-over circuit 5, the input of described A/D change-over circuit 5 is connected to signal conditioning circuit 4, the input of described signal conditioning circuit 4 is connected to conductivity sensor 1, humidity sensor 2 and PH sensor 3, and the signals collecting end of the signals collecting end of described conductivity sensor 1, the signals collecting end of humidity sensor 2 and PH sensor 3 is all exposed on the abase layer interior surface of crisper body; Described touch-screen 12 connects with driving circuit 11, and the input of described first indicator lamp 7, the input of the second indicator lamp 8, the input of the 3rd indicator lamp 9 and the input of alarm 10 all connect with the output of single-chip microcomputer 6; Described single-chip microcomputer 6 comprises single-chip microcomputer STC89C52.
As shown in Figure 4, in the present embodiment, described signal conditioning circuit 4 comprises amplifier U1, amplifier U2, amplifier U3, connectivity port P1 and bnc interface P2, the in-phase input end of described amplifier U1 connects with the 2nd pin of connectivity port P1 through resistance R4 and resistance R3, the inverting input of amplifier U1 is through resistance R1 ground connection, the output of amplifier U1 divides two-way, and a road connects with the inverting input of amplifier U1 through resistance R2, and another road connects with A/D change-over circuit 5; The in-phase input end of described amplifier U2 connects with the 4th pin of connectivity port P1 through resistance R9 and resistance R8, the inverting input of amplifier U2 is through resistance R6 ground connection, the output of amplifier U2 divides two-way, and a road connects with the inverting input of amplifier U2 through resistance R7, and another road connects with A/D change-over circuit 5; The in-phase input end of described amplifier U3 connects with the signal end of bnc interface P2 through resistance R15 and resistance R14, the inverting input of amplifier U3 is through resistance R12 ground connection, the output of amplifier U3 divides two-way, one tunnel connects with the inverting input of amplifier U3 through resistance R13, and another road connects with A/D change-over circuit 5; The equal ground connection of 3rd pin of the shell body of bnc interface P2, the 1st pin of connectivity port P1 and connectivity port P1.
In physical cabling, the link of described resistance R4 and resistance R3 is through resistance R5 ground connection, and the in-phase input end of amplifier U1 and the link of resistance R4 are through electric capacity C1 ground connection; The link of described resistance R9 and resistance R8 is through resistance R11 ground connection, and the in-phase input end of amplifier U2 and the link of resistance R9 are through electric capacity C5 ground connection; The link of described resistance R15 and resistance R14 is through resistance R16 ground connection, and the in-phase input end of amplifier U3 and the link of resistance R15 are through electric capacity C6 ground connection.
In the present embodiment, described conductivity sensor 1 comprises sensor GF3-2820-1, and the signal output part of described sensor GF3-2820-1 connects with the 2nd pin of connectivity port P1.
In the present embodiment, described humidity sensor 2 comprises sensor RB-02S047, and the signal output part of described sensor RB-02S047 connects with the 4th pin of connectivity port P1.
In the present embodiment, described PH sensor 3 comprises sensor PH-1110B, and described sensor PH-1110B is arranged on bnc interface P2.
As shown in Figure 3, in the present embodiment, described driving circuit 11 comprises driving chip ADS7846 and connectivity port P3, the DCLK pin of described driving chip ADS7846, / CS pin, DIN pin, BUSY pin, DOUT pin and/PEN pin respectively with the P1.0 pin of single-chip microcomputer STC89C52, P1.1 pin, P1.2 pin, P1.3 pin, P1.4 pin and P3.2 pin connect, the VCC pin of driving chip ADS7846 connects with 5V power output end, 1st pin of described connectivity port P3, 2nd pin, 3rd pin and the 4th pin respectively with the Y-pin of driving chip ADS7846, X-pin, Y+ pin and X+ pin connect.
In the present embodiment, described touch-screen 12 comprises 2.8 cun of colored touch screens, and described 2.8 cun of colored touch screens are arranged on the P3 of connectivity port.
In the present embodiment, described power supply 13 comprises charged lithium cells.
When the utility model uses, by the bottom interlayer at crisper, electronic circuit board is installed, by conductivity sensor 1, the signals collecting end of humidity sensor 2 and PH sensor 3 is all exposed gathers food spoilage parameter on the abase layer interior surface of crisper body, by the first indicator lamp 7, second indicator lamp 8, 3rd indicator lamp 9, alarm 10 and touch-screen 12 are arranged on the outer surface of crisper, food is left in crisper, by conductivity sensor 1, humidity sensor 2 and PH sensor 3 Real-time Collection food parameter, conductivity sensor 1, the data that humidity sensor 2 and PH sensor 3 gather are sent into signal conditioning circuit 4 simultaneously and are carried out filter and amplification, analogue data after amplification is sent in A/D change-over circuit 5 carries out analog-to-digital conversion, the data signal of conversion sends into single-chip microcomputer 6 again, the threshold value of food parameters is set by touch-screen 12, when the data variation that conductivity sensor 1 gathers exceedes the change threshold of user's setting, first indicator lamp 7 is bright, when the moisture data variation that humidity sensor 2 gathers exceedes the change threshold of user's setting, the second indicator lamp 8 is bright, when the data variation that PH sensor 3 gathers exceedes the change threshold of user's setting, the 3rd indicator lamp 9 is bright, meanwhile, in the first indicator lamp 7, second indicator lamp 8 and the 3rd indicator lamp 9, any one indicator lamp is bright, and alarm 10 all can warning reminding user, practical.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.
Claims (8)
1. a food spoilage detects crisper, comprise crisper body, it is characterized in that: the outer surface of described crisper body is provided with alarm (10), touch-screen (12), be used to indicate food resistance exception the first indicator lamp (7), be used to indicate the second indicator lamp (8) that food moisture exceeds standard and the 3rd indicator lamp (9) being used to indicate food pH value exception, be provided with electronic circuit board in the bottom of described crisper body, described electronic circuit board is integrated with single-chip microcomputer (6), power supply (13) and the driving circuit (11) connected with described single-chip microcomputer (6), the input of described single-chip microcomputer (6) is connected to A/D change-over circuit (5), the input of described A/D change-over circuit (5) is connected to signal conditioning circuit (4), the input of described signal conditioning circuit (4) is connected to conductivity sensor (1), humidity sensor (2) and PH sensor (3), the signals collecting end of described conductivity sensor (1), the signals collecting end of humidity sensor (2) and the signals collecting end of PH sensor (3) all exposed on the abase layer interior surface of crisper body, described touch-screen (12) connects with driving circuit (11), and the input of described first indicator lamp (7), the input of the second indicator lamp (8), the input of the 3rd indicator lamp (9) and the input of alarm (10) all connect with the output of single-chip microcomputer (6), described single-chip microcomputer (6) comprises single-chip microcomputer STC89C52.
2. detect crisper according to a kind of food spoilage according to claim 1, it is characterized in that: described signal conditioning circuit (4) comprises amplifier U1, amplifier U2, amplifier U3, connectivity port P1 and bnc interface P2, the in-phase input end of described amplifier U1 connects with the 2nd pin of connectivity port P1 through resistance R4 and resistance R3, the inverting input of amplifier U1 is through resistance R1 ground connection, the output of amplifier U1 divides two-way, one tunnel connects with the inverting input of amplifier U1 through resistance R2, and another road connects with A/D change-over circuit (5); The in-phase input end of described amplifier U2 connects with the 4th pin of connectivity port P1 through resistance R9 and resistance R8, the inverting input of amplifier U2 is through resistance R6 ground connection, the output of amplifier U2 divides two-way, one tunnel connects with the inverting input of amplifier U2 through resistance R7, and another road connects with A/D change-over circuit (5); The in-phase input end of described amplifier U3 connects with the signal end of bnc interface P2 through resistance R15 and resistance R14, the inverting input of amplifier U3 is through resistance R12 ground connection, the output of amplifier U3 divides two-way, one tunnel connects with the inverting input of amplifier U3 through resistance R13, and another road connects with A/D change-over circuit (5); The equal ground connection of 3rd pin of the shell body of bnc interface P2, the 1st pin of connectivity port P1 and connectivity port P1.
3. detect crisper according to a kind of food spoilage according to claim 2, it is characterized in that: described conductivity sensor (1) comprises sensor GF3-2820-1, the signal output part of described sensor GF3-2820-1 connects with the 2nd pin of connectivity port P1.
4. detect crisper according to a kind of food spoilage according to claim 2, it is characterized in that: described humidity sensor (2) comprises sensor RB-02S047, the signal output part of described sensor RB-02S047 connects with the 4th pin of connectivity port P1.
5. detect crisper according to a kind of food spoilage according to claim 2, it is characterized in that: described PH sensor (3) comprises sensor PH-1110B, and described sensor PH-1110B is arranged on bnc interface P2.
6. detect crisper according to a kind of food spoilage according to claim 1, it is characterized in that: described driving circuit (11) comprises driving chip ADS7846 and connectivity port P3, the DCLK pin of described driving chip ADS7846, / CS pin, DIN pin, BUSY pin, DOUT pin and/PEN pin respectively with the P1.0 pin of single-chip microcomputer STC89C52, P1.1 pin, P1.2 pin, P1.3 pin, P1.4 pin and P3.2 pin connect, the VCC pin of driving chip ADS7846 connects with 5V power output end, 1st pin of described connectivity port P3, 2nd pin, 3rd pin and the 4th pin respectively with the Y-pin of driving chip ADS7846, X-pin, Y+ pin and X+ pin connect.
7. detect crisper according to a kind of food spoilage according to claim 6, it is characterized in that: described touch-screen (12) comprises 2.8 cun of colored touch screens, described 2.8 cun of colored touch screens are arranged on the P3 of connectivity port.
8. detect crisper according to a kind of food spoilage according to claim 1, it is characterized in that: described power supply (13) comprises charged lithium cells.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520691506.1U CN204923674U (en) | 2015-09-08 | 2015-09-08 | Food spoilage detects preservation box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520691506.1U CN204923674U (en) | 2015-09-08 | 2015-09-08 | Food spoilage detects preservation box |
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| Publication Number | Publication Date |
|---|---|
| CN204923674U true CN204923674U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520691506.1U Expired - Fee Related CN204923674U (en) | 2015-09-08 | 2015-09-08 | Food spoilage detects preservation box |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489189A (en) * | 2018-06-13 | 2018-09-04 | 合肥盈川信息技术有限公司 | A kind of food keeps sample the data pallet apparatus of refrigerator early warning |
| CN109085863A (en) * | 2017-06-13 | 2018-12-25 | 合肥华凌股份有限公司 | For the moisture control unit of refrigerator, method and refrigerator |
| CN109541156A (en) * | 2018-11-10 | 2019-03-29 | 江苏华升面粉有限公司 | A kind of old wheat detection device of flour mill |
| CN113984835A (en) * | 2021-10-14 | 2022-01-28 | 江苏农林职业技术学院 | Packaging can for monitoring food quality in real time and monitoring method |
-
2015
- 2015-09-08 CN CN201520691506.1U patent/CN204923674U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085863A (en) * | 2017-06-13 | 2018-12-25 | 合肥华凌股份有限公司 | For the moisture control unit of refrigerator, method and refrigerator |
| CN109085863B (en) * | 2017-06-13 | 2020-09-15 | 合肥华凌股份有限公司 | Humidity control device and method for refrigerator and refrigerator |
| CN108489189A (en) * | 2018-06-13 | 2018-09-04 | 合肥盈川信息技术有限公司 | A kind of food keeps sample the data pallet apparatus of refrigerator early warning |
| CN108489189B (en) * | 2018-06-13 | 2023-08-25 | 合肥盈川信息技术有限公司 | Data tray device for food sample-reserving refrigerator early warning |
| CN109541156A (en) * | 2018-11-10 | 2019-03-29 | 江苏华升面粉有限公司 | A kind of old wheat detection device of flour mill |
| CN113984835A (en) * | 2021-10-14 | 2022-01-28 | 江苏农林职业技术学院 | Packaging can for monitoring food quality in real time and monitoring method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20160908 |
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| CF01 | Termination of patent right due to non-payment of annual fee |