CN211606865U - Marquee system for indicating freshness of food for refrigerator - Google Patents
Marquee system for indicating freshness of food for refrigerator Download PDFInfo
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- CN211606865U CN211606865U CN202020376530.7U CN202020376530U CN211606865U CN 211606865 U CN211606865 U CN 211606865U CN 202020376530 U CN202020376530 U CN 202020376530U CN 211606865 U CN211606865 U CN 211606865U
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Abstract
The utility model discloses a marquee system for indicating food freshness for a refrigerator, which comprises a main control singlechip of the refrigerator, a freshness sensor module, a first single-wire asynchronous communication circuit, a second single-wire asynchronous communication circuit, a main control singlechip of the marquee, a voltage stabilizing circuit, a red and blue marquee group and a red and blue breathing lamp group; the freshness sensor module is connected with an A/D interface of the refrigerator main control single chip microcomputer, the single-wire asynchronous communication circuit I and the single-wire asynchronous communication circuit II are sequentially connected, the single-wire asynchronous communication circuit II is connected with the voltage stabilizing circuit and the horse race lamp main control single chip microcomputer, the voltage stabilizing circuit is connected with the red and blue horse race lamp set and the red and blue breathing lamp set, and the red and blue horse race lamp set and the red and blue breathing lamp set are connected with the horse race lamp main control single chip microcomputer. The utility model discloses can detect the food new freshness circumstances in the refrigerator to the lamp of different colours shows.
Description
Technical Field
The utility model relates to a refrigerator check out test set field, in particular to refrigerator is with race lantern system of instruction food new freshness.
Background
A refrigerator is a kind of refrigerating apparatus that maintains a constant low temperature, and is also an electric product that keeps food or other items fresh. The freshness of the cold-stored food of traditional refrigerator can only rely on people's smell sense, vision, feel etc. to judge, and food long-term storage is in the refrigerator, and the fresh degree of food in the refrigerator of unable real-time warning causes extravagant and bacterial growing, pollutes the refrigerator walk-in.
Disclosure of Invention
In order to solve the technical problem, the utility model discloses a can carry out the new fresh race lantern system of degree of food of refrigerator with instruction food that real-time detection reminded to refrigerator food.
The technical scheme of the utility model is that: a marquee system for indicating food freshness for a refrigerator comprises a main control single chip microcomputer of the refrigerator, a freshness sensor module, a first single-wire asynchronous communication circuit, a second single-wire asynchronous communication circuit, a main control single chip microcomputer of a marquee, a voltage stabilizing circuit, a red and blue marquee lamp set and a red and blue breathing lamp set; the freshness sensor module is connected with an A/D interface of the refrigerator main control single chip microcomputer, the single-wire asynchronous communication circuit I and the single-wire asynchronous communication circuit II are sequentially connected, the single-wire asynchronous communication circuit II is connected with the voltage stabilizing circuit and the horse race lamp main control single chip microcomputer, the voltage stabilizing circuit is connected with the red and blue horse race lamp set and the red and blue breathing lamp set, and the red and blue horse race lamp set and the red and blue breathing lamp set are connected with the horse race lamp main control single chip microcomputer.
The red power supply control circuit I and the blue power supply control circuit I are connected with the voltage stabilizing circuit, the red and blue horse race lamp group and the horse race lamp main control single chip microcomputer; the horse race lamp is characterized by further comprising a second power supply control circuit, wherein the second power supply control circuit comprises a second red power supply control circuit and a second blue power supply control circuit, and the second red power supply control circuit and the second blue power supply control circuit are connected with the voltage stabilizing circuit, the red and blue breathing lamp group and the horse race lamp main control single chip microcomputer.
Further, red blue horse race banks includes the red blue horse race lamp of multiunit, every group red blue horse race lamp all includes red emitting diode, blue emitting diode, red emitting diode anodal with red power control circuit connects, blue emitting diode anodal with blue power control circuit connects, in every group red emitting diode, blue emitting diode negative pole are connected, establish ties with the resistance again after with horse race lamp master control singlechip is connected.
Furthermore, the red and blue horse race lamps of the plurality of groups are 32 groups and are uniformly arranged on the circumference of the circular PCB.
Further, red blue breathing banks includes red banks and blue banks, red banks includes the parallelly connected red emitting diode group of multiunit, red emitting diode group front end with red power control circuit two is connected, blue banks includes the parallelly connected blue emitting diode group of multiunit, blue emitting diode group front end with blue power control circuit two is connected, red emitting diode group, blue emitting diode group rear end are connected the back and are connected with the collecting electrode of triode, behind the base series resistance of triode with horse race lamp master control singlechip is connected, the projecting pole ground connection of triode.
Furthermore, the red light emitting diode groups are 11 groups, and the blue light emitting diode groups are 11 groups and are arranged in the middle of the circular PCB.
Further, the refrigerator main control singlechip model is R5F101LCAFB, the freshness sensor module model is HGM 10.
Further, the type of the running horse lamp main control single-chip microcomputer is N76E616AL 48.
The utility model discloses horse race lamp system can detect the new freshness of the cold-stored food of refrigerator, handle the back with information, with red and blue horse race banks, red and blue breathing banks demonstrates, be less than advancing of the threshold value of settlement when new freshness, red and blue horse race banks, blue emitting diode among the red and blue breathing banks is bright, advance of threshold value when new freshness is higher than the settlement and wait, red and blue horse race banks, red emitting diode among the red and blue breathing banks is bright, new freshness that food was indicateed to the user goes wrong, so that the user in time handles the food in the refrigerator. The red and blue horse race lamp group and the red and blue breathing lamp group are arranged to play a role in prompting the freshness of food in the refrigerator, and the lighting mode of the lamp group can also play a good decorative role. The utility model discloses have potential market value.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic flow chart of the present invention;
FIG. 2 is a schematic diagram of a single-wire asynchronous communication circuit;
FIG. 3 is a diagram of a single-line asynchronous communication circuit II;
FIG. 4 is a schematic diagram of a voltage regulator circuit;
FIG. 5 is a schematic diagram of a marquee master control single-chip microcomputer;
FIG. 6 is a schematic diagram of a blue power control circuit;
FIG. 7 is a schematic diagram of a red power control circuit;
FIG. 8 is a schematic diagram of a blue power control circuit II;
FIG. 9 is a schematic diagram of a red power control circuit II;
FIG. 10 is a schematic view of a red and blue horse race light set;
FIG. 11 is a schematic view of a red and blue breathing light set;
fig. 12 is a schematic view of a circular PCB board.
Detailed Description
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.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the description of the embodiments, the terms "disposed," "connected," and the like are to be construed broadly unless otherwise explicitly specified or limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; either directly or through an intervening medium, or through internal communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, a ticker system for indicating food freshness for a refrigerator comprises a refrigerator main control single chip microcomputer 1, a freshness sensor module 2, a single-wire asynchronous communication circuit I3, a single-wire asynchronous communication circuit II 4, a ticker main control single chip microcomputer 5, a voltage stabilizing circuit 6, a red and blue ticker group 7 and a red and blue breathing light group 8; freshness sensor module 2 with the AD interface connection of refrigerator master control singlechip 1, single-line asynchronous communication circuit 3, single-line asynchronous communication circuit two 4 connect gradually, single-line asynchronous communication circuit two 4 with voltage stabilizing circuit 6, horse race lamp master control singlechip 5 are connected, voltage stabilizing circuit 6 with red blue horse race banks 7, red blue breathing banks 8 are connected, red blue horse race banks 7, red blue breathing banks 8 with horse race lamp master control singlechip 5 is connected. The model of the refrigerator main control single chip microcomputer 1 is R5F101LCAFB, and the model of the freshness sensor module 2 is HGM 10. The running horse lamp main control single-chip microcomputer 5 is N76E616AL48 in model number.
The system further comprises a first power supply control circuit, wherein the first power supply control circuit comprises a first red power supply control circuit 91 and a first blue power supply control circuit 92, and the first red power supply control circuit 91 and the first blue power supply control circuit 92 are connected with the voltage stabilizing circuit 6, the red and blue horse race lamp group 7 and the horse race lamp main control single chip microcomputer 5; the horse race lamp is characterized by further comprising a second power supply control circuit, wherein the second power supply control circuit comprises a second red power supply control circuit 93 and a second blue power supply control circuit 94, and the second red power supply control circuit 93 and the second blue power supply control circuit 94 are connected with the voltage stabilizing circuit 6, the red and blue breathing lamp group 8 and the horse race lamp main control single chip microcomputer 5.
As shown in fig. 2, the first single-wire asynchronous communication circuit 3 includes a resistor R71, the front end of the resistor R71 is connected to a communication data output pin of the main control single chip microcomputer 1 of the refrigerator, the rear end of the resistor R71 is connected to the base of the transistor Q11, the emitter of the transistor Q11 is grounded, the collector of the transistor Q11 is connected to the front ends of the resistor R72 and the resistor R73, the rear end of the resistor 72 is connected to a positive pole of a 5V dc power supply, the rear end of the resistor R73 is connected to a 2 pin of a terminal connector CN1, the 1 pin of the terminal connector CN1 is connected to a positive pole of an external 12V dc power supply, and the 3 pins of the terminal connector CN1 are grounded. The first 5V direct-current power supply is a power supply of the refrigerator main control single chip microcomputer 1.
As shown in fig. 3 and 5, the second single-wire asynchronous communication circuit 4 includes a capacitor C7 and a resistor R63 connected to pin 2 of the terminal connector CN1, the other end of the capacitor C7 is grounded, the other end of the resistor R63 is connected to the base of a transistor Q6, the emitter of the transistor Q6 is grounded, the collector of the transistor Q6 is connected to the resistor R69 and the resistor R70, the other end of the resistor R69 is connected to the positive terminal of the second dc power supply of 5V, and the other end of the resistor R70 is connected to pin 7 of the ticker main control single-chip microcomputer 5.
As shown in fig. 4, the voltage stabilizing circuit 6 includes a voltage stabilizing chip U2, a pin 3 of the voltage stabilizing chip U2 is connected to the positive electrode of the 12V dc power supply, a capacitor C1 and a capacitor C4 are connected in parallel between a pin 3 of the voltage stabilizing chip U2 and a ground terminal, a pin 4 of the voltage stabilizing chip U2 is grounded, a pin 6 of the voltage stabilizing chip U2 is connected to a pin 5 of the voltage stabilizing chip U2 after being connected to the capacitor C5, and then connected to an inductor L1 and a capacitor C2 and then grounded, and a pin 1 of the voltage stabilizing chip U2 is connected to the front end of the capacitor C2 and then led out of a terminal of the positive electrode of the 5V dc power supply. The model of the voltage stabilizing chip U2 is SCT 2325.
As shown in fig. 6 and 5, the first blue power control circuit 92 includes a resistor R65 and a PNP transistor Q7 emitter connected to two positive terminals of the 5V dc power supply, a positive terminal of the 5V dc power supply of the blue light is led out from a collector of the PNP transistor Q7, the other end of the resistor R65 is connected to a base of the PNP transistor Q7 and then connected to a resistor R56 in series, and then connected to a collector of a transistor Q1, the base of the transistor Q1 is connected to a resistor R55 and then connected to an 8 pin of the main control single chip microcomputer 5 of the marquee, and the emitter of the transistor Q1 is grounded.
As shown in fig. 7 and 5, the first red power control circuit 91 includes a resistor R66 and a PNP type triode Q8 emitter connected to two positive terminals of the 5V dc power supply, a positive terminal of the 5V dc power supply of the red light is led out from a collector of the PNP type triode Q8, the other end of the resistor R66 is connected to a base of the PNP type triode Q8 and then connected to a resistor R58 in series, and then connected to a collector of a triode Q2, the base of the triode Q2 is connected to a resistor R57 and then connected to a pin 9 of the marquee main control single chip microcomputer 5, and an emitter of the triode Q2 is grounded.
As shown in fig. 8 and 5, the blue power control circuit two 94 includes a resistor R67 and a PNP type triode Q9 emitter connected to the positive electrode of the 12 dc power supply, a positive terminal of the 12V dc power supply of the blue light is led out from a collector of the PNP type triode Q9, the other end of the resistor R67 is connected to a base of the PNP type triode Q9 and then connected to a resistor R60 in series, and then connected to a collector of a triode Q3, the base of the triode Q3 is connected to a resistor R59 and then connected to 8 pins of the marquee main control single chip microcomputer 5, and the emitter of the triode Q3 is grounded.
As shown in fig. 9 and 5, the red power control circuit two 93 includes a resistor R68 and a PNP type triode Q10 emitter connected to the positive electrode of the 12 dc power supply, a positive terminal of the 12V dc power supply of the red light is led out from the collector of the PNP type triode Q10, the other end of the resistor R68 is connected to the base of the PNP type triode Q10 and then connected to a resistor R62 in series, and then connected to the collector of a triode Q4, the base of the triode Q4 is connected to the resistor R61 and then connected to the 9 pins of the main control single chip microcomputer 5 of the horse race light, and the emitter of the triode Q4 is grounded.
Further, as shown in fig. 10 and 12, the red and blue horse race lamp set 7 includes a plurality of sets of red and blue horse race lamps, each set of red and blue horse race lamps includes a red light emitting diode and a blue light emitting diode, the anode of the red light emitting diode is connected with the first red power supply control circuit 91, the anode of the blue light emitting diode is connected with the first blue power supply control circuit 92, the cathodes of the red light emitting diode and the blue light emitting diode in each set are connected, and then are connected in series with a resistor and then are connected with the main control single chip microcomputer 5 of the horse race lamp. The red and blue horse race lamps of the plurality of groups are 32 groups and are evenly arranged on the circumference of the circular PCB board 10.
Taking the red and blue horse race lamp of the 1 st group as an example, the red and blue horse race lamp comprises a red light emitting diode D1R and a blue light emitting diode D1B, the anode of the red light emitting diode D1R is connected with the anode terminal of the red light 5V direct current power supply in the red power supply control circuit one 91, the anode of the blue light emitting diode D1B is connected with the anode terminal of the blue light 5V direct current power supply in the blue power supply control circuit one 92, the cathodes of the red light emitting diode D1R and the blue light emitting diode D1B are connected with a resistor R1 in series and then connected with a 43 pin of the horse race lamp main control singlechip 5, and other 31 groups of the structure are the same as the first group and are respectively connected with 42, 41, 40, 39, 38, 37, 36, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 15, 13 and 16, 12. 4, 3, 2, 1 pin connection.
Further, as shown in fig. 11 and 12, the red and blue breathing light set 8 includes a red light set and a blue light set, the red light set includes a plurality of red light emitting diode sets connected in parallel, the front end of the red light emitting diode set is connected with the red power control circuit two, the blue light set includes a plurality of blue light emitting diode sets connected in parallel, the front end of the blue light emitting diode set is connected with the blue power control circuit two, the rear ends of the red light emitting diode set and the blue light emitting diode sets are connected with the collector of the triode Q5, the base series resistor R64 of the triode Q5 is connected with the 32 pins of the horse race lamp main control single chip microcomputer 5, and the emitter of the triode Q5 is grounded. The red light emitting diode groups are 11 groups, and the blue light emitting diode groups are 11 groups and are arranged in the middle of the circular PCB 10.
The red led group of group 1 is described, the red led group of group 1 includes a resistor R44, the front end of the resistor R44 is connected to the positive terminal of the dc power supply 12V for the red light in the red power supply control circuit two 93, the rear end of the resistor R44 is sequentially connected in series in the forward direction to red leds D33R, D34R, D35R, the rear end of the red led D35R is connected to the collector of the transistor Q5, and the red led groups of the other 10 groups have the same structure as the group 1.
The blue led group 1 is described as the blue led group, the blue led group 1 includes a resistor R33, the front end of the resistor R33 is connected to the positive terminal of the dc power supply 12V for the blue lamp in the blue power supply control circuit two 94, the rear end of the resistor R33 is sequentially connected in series in the forward direction to blue leds D33B, D34B, D35B, the rear end of the blue led D35B is connected to the collector of the transistor Q5, and the other 10 blue led groups have the same structure as the group 1.
The refrigerator main control single chip microcomputer 1, the freshness sensor module 2 and the single-wire asynchronous communication circuit I3 are installed in the refrigerator, and the single-wire asynchronous communication circuit II 4, the horse race lamp main control single chip microcomputer 5 and the voltage stabilizing circuit 6 are installed on the back of the circular PCB board 10, namely on the back of the circular PCB board 10 where the red and blue horse race lamp group 7 and the red and blue breathing lamp group 8 are located. The freshness sensor module 2 uses an independent power supply, the refrigerator main control single chip microcomputer 1 and the single-wire asynchronous communication circuit I3 use the 5V direct-current power supply I, and the single-wire asynchronous communication circuit I3 and other components use the external 12V direct-current power supply and the voltage stabilizing circuit 6 to convert the 12V direct-current power supply into the 5V direct-current power supply II.
When the utility model is used, as shown in figure 1, the freshness degree sensor module 2 transmits the freshness degree information of food in the refrigerator to the refrigerator main control singlechip 1, the refrigerator main control singlechip 1 transmits the freshness degree information to the horse race lamp main control singlechip 5 through the single-wire asynchronous communication circuit I3 and the single-wire asynchronous communication circuit II 4, the voltage stabilizing circuit 6 supplies power to the horse race lamp main control singlechip 5, the red and blue horse race lamp group 7 and the red and blue breathing lamp group 8, the horse race lamp main control singlechip 5 sets a freshness degree threshold value, when the freshness is lower than the set threshold value, the blue light emitting diodes in the red and blue horse race lamp group 7 and the red and blue breathing lamp group 8 are on, when the freshness is higher than or equal to the set threshold value, the red light-emitting diodes in the red and blue horse race lamp group 7 and the red and blue breathing lamp group 8 are on, so that the freshness of food is prompted to be out of order for the user, and the user can timely process the food in the refrigerator. The red and blue horse race lamp group 7 and the red and blue breathing lamp group 8 are arranged to play a role in prompting the food freshness of the refrigerator, and the lighting mode can also play a good decorative role.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization of those skilled in the art; when the technical solutions are contradictory or cannot be combined, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
Claims (8)
1. The utility model provides a horse race lamp system of refrigerator with instruction food freshness which characterized in that: the intelligent control system comprises a refrigerator main control single chip microcomputer, a freshness sensor module, a single-wire asynchronous communication circuit I, a single-wire asynchronous communication circuit II, a horse race lamp main control single chip microcomputer, a voltage stabilizing circuit, a red and blue horse race lamp group and a red and blue breathing lamp group; the freshness sensor module is connected with an A/D interface of the refrigerator main control single chip microcomputer, the single-wire asynchronous communication circuit I and the single-wire asynchronous communication circuit II are sequentially connected, the single-wire asynchronous communication circuit II is connected with the voltage stabilizing circuit and the horse race lamp main control single chip microcomputer, the voltage stabilizing circuit is connected with the red and blue horse race lamp set and the red and blue breathing lamp set, and the red and blue horse race lamp set and the red and blue breathing lamp set are connected with the horse race lamp main control single chip microcomputer.
2. The ticker system for a refrigerator that indicates food freshness of claim 1, wherein: the horse race lamp comprises a red power supply control circuit I and a blue power supply control circuit I, and the red power supply control circuit I and the blue power supply control circuit I are connected with a voltage stabilizing circuit, a red and blue horse race lamp group and a horse race lamp main control single chip microcomputer; the horse race lamp is characterized by further comprising a second power supply control circuit, wherein the second power supply control circuit comprises a second red power supply control circuit and a second blue power supply control circuit, and the second red power supply control circuit and the second blue power supply control circuit are connected with the voltage stabilizing circuit, the red and blue breathing lamp group and the horse race lamp main control single chip microcomputer.
3. The ticker system for a refrigerator that indicates food freshness of claim 2, wherein: the red and blue horse race banks include multiunit red and blue horse race lamp, every group red and blue horse race lamp all includes red emitting diode, blue emitting diode, red emitting diode anodal with red power control circuit connects, blue emitting diode anodal with blue power control circuit connects, in every group red emitting diode, blue emitting diode negative pole are connected, establish ties with the resistance again after with horse race lamp master control singlechip connects.
4. A ticker system for a refrigerator indicating food freshness as claimed in claim 3, wherein: the red and blue horse race lamps of the multiple groups are 32 groups and are uniformly arranged on the circumference of the circular PCB.
5. The ticker system for a refrigerator that indicates food freshness of claim 2, wherein: the red and blue breathing lamp group comprises a red lamp group and a blue lamp group, the red lamp group comprises a plurality of groups of red light emitting diode groups connected in parallel, the front end of each red light emitting diode group is connected with the red power supply control circuit II, the blue lamp group comprises a plurality of groups of blue light emitting diode groups connected in parallel, the front end of each blue light emitting diode group is connected with the blue power supply control circuit II, the rear ends of the red light emitting diode groups and the blue light emitting diode groups are connected with the collector electrodes of the triodes, the bases of the triodes are connected with the horse race lamp main control single chip microcomputer after being connected with the rear ends of the red light emitting diode groups and the blue light emitting diode groups.
6. The ticker system of claim 4 for a refrigerator that indicates food freshness, wherein: the red light-emitting diode groups are 11 groups, and the blue light-emitting diode groups are 11 groups and are arranged in the middle of the circular PCB.
7. The ticker system for a refrigerator that indicates food freshness of claim 1, wherein: the refrigerator main control singlechip model is R5F101LCAFB, the freshness sensor module model is HGM 10.
8. The ticker system for a refrigerator that indicates food freshness of claim 1, wherein: the running horse lamp main control single-chip microcomputer is N76E616AL48 in model number.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020376530.7U CN211606865U (en) | 2020-03-23 | 2020-03-23 | Marquee system for indicating freshness of food for refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020376530.7U CN211606865U (en) | 2020-03-23 | 2020-03-23 | Marquee system for indicating freshness of food for refrigerator |
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| CN211606865U true CN211606865U (en) | 2020-09-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115127294A (en) * | 2022-07-13 | 2022-09-30 | 合肥美菱物联科技有限公司 | Refrigerator light source control method |
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2020
- 2020-03-23 CN CN202020376530.7U patent/CN211606865U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115127294A (en) * | 2022-07-13 | 2022-09-30 | 合肥美菱物联科技有限公司 | Refrigerator light source control method |
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