CN215754174U - Portable insulin constant-temperature storage and transportation cup - Google Patents
Portable insulin constant-temperature storage and transportation cup Download PDFInfo
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- CN215754174U CN215754174U CN202121115185.2U CN202121115185U CN215754174U CN 215754174 U CN215754174 U CN 215754174U CN 202121115185 U CN202121115185 U CN 202121115185U CN 215754174 U CN215754174 U CN 215754174U
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Abstract
The utility model discloses a portable insulin constant-temperature storage and transportation cup, which comprises a bottle body, a reagent shelf and a sealing cover, wherein the reagent shelf is arranged on the bottle body; the bottle body is internally provided with an accommodating cavity; the reagent shelf is accommodated in the accommodating cavity, the reagent shelf is made of resin materials, and the outer surface of the reagent shelf is covered with a graphene layer; a thermoelectric sheet, a radiator, a control circuit and a storage battery are arranged in the sealing cover; the two opposite surfaces of the thermoelectric piece are respectively a first working side and a second working side, the first working side is abutted with the radiator, and the second working side is exposed in the accommodating cavity; the control circuit is connected with a temperature sensor; when the measured temperature is lower than the preset value, the control circuit controls the second working side to heat; when the measured temperature is higher than the preset value, the control circuit controls the second working side to refrigerate; the scheme not only realizes the uniform maintenance of the temperature, but also can change the heating and refrigerating functions according to the external temperature, and if the temperature can be controlled in a reasonable range of 2 ℃ to 8 ℃, the civil constant-temperature storage and carrying of the insulin in winter and summer are realized.
Description
Technical Field
The utility model relates to the technical field of insulin storage, in particular to a portable constant-temperature insulin storage and transportation cup.
Background
Chinese diabetics grow rapidly year by year and are close to 1.3 hundred million people at present, and insulin is taken by the patients as a key medicine for treating diabetes and needs to be carried about and used regularly and quantitatively. In the face of such demands, a large number of insulin cold storage products are available on the market, and the conservative estimate of the domestic market scale of a single type of product is close to 5 hundred million.
However, the existing storage tool is inconvenient to carry, and cannot provide a uniform temperature environment inside, so that part of stored insulin is easy to lose efficacy, and great hidden danger is brought to the life safety of a patient.
Particularly, the existing civil equipment can only be refrigerated in summer, and the condition of low temperature in winter is not dealt with, so that a technical scheme capable of solving the problem is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a portable insulin constant-temperature storage and transportation cup, which solves the problem that the existing storage tool cannot cope with the storage in winter.
In order to solve the technical problem, the utility model provides a portable insulin constant-temperature storage and transportation cup which comprises a bottle body, a reagent shelf and a sealing cover, wherein the reagent shelf is arranged on the bottle body; an accommodating cavity is formed in the bottle body; the reagent shelf is accommodated in the accommodating cavity, the reagent shelf is made of resin materials, and a graphene layer covers the outer surface of the reagent shelf; the sealing cover is detachably connected with the bottle body and is used for sealing the accommodating cavity, and a thermoelectric sheet, a radiator, a control circuit and a storage battery are arranged in the sealing cover; the two opposite surfaces of the thermoelectric piece are respectively a first working side and a second working side, the first working side is abutted with the radiator, and the second working side is exposed in the accommodating cavity; the control circuit is electrically connected with the thermoelectric chip and is connected with a temperature sensor, and the temperature sensor is used for monitoring the temperature in the accommodating cavity; when the measured temperature is lower than a preset value, the control circuit controls the second working side to heat; when the measured temperature is higher than a preset value, the control circuit controls the second working side to refrigerate; the storage battery is electrically connected with the control circuit and is used for supplying power to the portable insulin constant-temperature storage and transportation cup.
In one embodiment, the number of the reagent shelves is two, and the two reagent shelves are stacked in the accommodating cavity.
In one embodiment, the cover is provided with a jack which is exposed in the accommodating cavity; the reagent shelf comprises a shelf body and heat-conducting columns, the shelf body is in a circular tube shape so as to form a positioning groove in a surrounding mode, a plurality of reagent clamping grooves are formed in the outer peripheral side of the shelf body, the heat-conducting columns are arranged at one end of the shelf body, the heat-conducting columns of the first reagent shelf are inserted into the inserting holes, and the heat-conducting columns of the second reagent shelf are inserted into the positioning grooves of the first reagent shelf; the second working side plugs the jack, and the second working side is abutted against the heat conduction column of the first reagent shelf.
In one embodiment, the heat sink includes a heat dissipation housing, a plurality of heat dissipation fins disposed in the heat dissipation housing, and a hydrogel filled in the heat dissipation housing and soaking the plurality of heat dissipation fins.
In one embodiment, a first mounting cavity and a second mounting cavity are arranged in the cover, the first mounting cavity is hermetically separated from the second mounting cavity, the storage battery and the control circuit are arranged in the first mounting cavity, and the radiator is arranged in the second mounting cavity.
In one embodiment, a display screen is arranged outside the sealing cover and is electrically connected with the control circuit, and the control circuit is further used for controlling the display screen to display the working information of the portable insulin constant-temperature storage and transportation cup.
In one embodiment, the temperature sensor comprises a first temperature sensor and a second temperature sensor; the control circuit comprises a power supply module, a first switching circuit, a second switching circuit and a reversing relay JK; the power supply module comprises a first positive pole, a second positive pole, a first negative pole and a second negative pole; the first switching circuit is electrically connected between the first positive electrode and the first negative electrode, and is provided with an electromagnetic relay KM1 and the first temperature sensor; the second switching circuit is electrically connected between the second positive electrode and the second negative electrode, and is provided with an electromagnetic relay KM2 and the second temperature sensor; the reversing relay JK is electrically connected with the thermoelectric piece; when the temperature measured by the first temperature sensor is higher than a preset value, the electromagnetic relay KM1 adsorbs the reversing relay JK to be electrically connected with the first positive electrode and the first negative electrode, and the thermoelectric piece is connected between the first positive electrode and the first negative electrode to drive the second working side to refrigerate; when the temperature measured by the second temperature sensor is lower than a preset value, the electromagnetic relay KM2 adsorbs the reversing relay JK to be electrically connected with the second positive electrode and the second negative electrode, and the thermoelectric piece is reversely connected between the second positive electrode and the second negative electrode to drive the second working side to generate heat.
In one embodiment, the first switching circuit further includes a transistor T1, a diode D1, a resistor R11, a resistor R12, and a capacitor C1; the base of the triode T1 is electrically connected with the anode of the diode D1, and the cathode of the diode D1 is electrically connected with the first cathode through the resistor R11; the emitter of the triode T1 is electrically connected with the first cathode through the resistor R12; the collector of the triode T1 is electrically connected with the first positive electrode through the capacitor C1; one end of the electromagnetic relay KM1 is electrically connected with the collector of the triode T1, and the other end of the electromagnetic relay KM1 is electrically connected with the cathode of the diode D1 through the first temperature sensor.
In one embodiment, the second switching circuit further includes a transistor T2, a diode D2, a resistor R21, a resistor R22, and a capacitor C2; the base of the triode T2 is electrically connected with the anode of the diode D2, and the cathode of the diode D2 is electrically connected with the second cathode through the resistor R21; the emitter of the triode T2 is electrically connected with the second cathode through the resistor R22; the collector of the triode T2 is electrically connected with the second positive electrode through the capacitor C2; one end of the electromagnetic relay KM2 is electrically connected with the collector of the triode T2, and the other end of the electromagnetic relay KM2 is electrically connected with the cathode of the diode D2 through the second temperature sensor.
In one embodiment, the first temperature sensor comprises a thermistor RT1 and a variable resistor RP1 connected in series; the second temperature sensor includes a thermistor RT2 and a variable resistor RP2 connected in series.
The utility model has the following beneficial effects:
firstly, because the reagent shelf is made of resin materials, the outer surface of the reagent shelf is covered with the graphene layer, and the graphene is called as the king of materials and has excellent in-plane heat conduction performance, the graphene layer can be used as a high-efficiency heat conduction channel to realize that the temperature in each position in the cup is kept uniform, and the problem that the existing storage tool cannot provide a uniform temperature environment is practically solved.
Secondly, the control circuit is electrically connected with the thermoelectric chip and is connected with a temperature sensor, and the temperature sensor is used for monitoring the temperature in the accommodating cavity; when the measured temperature is lower than a preset value, the control circuit controls the second working side to heat; when the measured temperature is higher than a preset value, the control circuit controls the second working side to refrigerate; therefore, the scheme can change the heating and refrigerating functions according to the external temperature, and always control the temperature of the target object within a reasonable range, for example, a better temperature range is between 2 ℃ and 8 ℃, so that the civil constant-temperature storage and carrying of the insulin in winter and summer are realized.
Drawings
In order to more clearly illustrate the technical solution 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 the drawings without creative efforts.
FIG. 1 is a schematic structural view of a portable insulin storage and transportation thermostatic cup according to an embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of the closure of FIG. 1;
FIG. 3 is a schematic view of the heat sink of FIG. 2 in a disassembled state;
FIG. 4 is a schematic view of the heater chip of FIG. 3 in a disassembled state;
FIG. 5 is a schematic cross-sectional view of FIG. 1;
FIG. 6 is a schematic view of the reagent shelf stack assembly of FIG. 1;
FIG. 7 is a schematic diagram of the reagent shelf structure of FIG. 6;
fig. 8 is a schematic diagram of a control circuit structure provided in an embodiment of the portable insulin constant-temperature storage and transportation cup of the present invention.
The reference numbers are as follows:
10. a bottle body; 11. an accommodating chamber;
20. a reagent shelf; 21. a frame body; 22. a heat-conducting column; 23. positioning a groove; 24. a reagent holding tank; 25. a graphene layer;
30. sealing the cover; 31. a first mounting cavity; 32. a second mounting cavity; 33. a jack; 34. a display screen;
40. a storage battery;
50. a control circuit; 51. a first switching circuit; 52. a second switching circuit; 53. a power supply module; 541. a first positive electrode; 542. a second positive electrode; 551. a first negative electrode; 552. a second negative electrode;
60. a thermoelectric chip; 61. a first working side; 62. a second working side;
70. a heat sink; 71. a heat dissipation housing; 72. heat dissipation fins; 73. a hydrogel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The utility model provides a portable insulin constant-temperature storage and transportation cup, which is shown in figures 1 and 5 and comprises a bottle body 10, a reagent shelf 20 and a sealing cover 30; an accommodating cavity 11 is arranged in the bottle body 10; the reagent shelf 20 is accommodated in the accommodating cavity 11, the reagent shelf 20 is made of resin materials, and the outer surface of the reagent shelf 20 is covered with a graphene layer 25; the sealing cover 30 is detachably connected with the bottle body 10, the sealing cover 30 is used for sealing the accommodating cavity 11, and a thermoelectric sheet 60, a radiator 70, a control circuit 50 and a storage battery 40 are arranged in the sealing cover 30; the two opposite surfaces of the thermoelectric piece 60 are respectively a first working side 61 and a second working side 62, the first working side 61 abuts against the heat sink 70, and the second working side 62 is exposed in the accommodating cavity 11; the control circuit 50 is electrically connected with the thermoelectric sheet 60, and the control circuit 50 is connected with a temperature sensor for monitoring the temperature in the accommodating cavity 11; when the measured temperature is lower than the preset value, the control circuit 50 controls the second working side 62 to generate heat; when the measured temperature is higher than the preset value, the control circuit 50 controls the second working side 62 to refrigerate; the storage battery 40 is electrically connected with the control circuit 50, and the storage battery 40 is used for supplying power to the portable insulin constant-temperature storage and transportation cup.
When the reagent shelf 20 containing insulin is used, the reagent shelf 20 is placed in the accommodating cavity 11, the sealing cover 30 is covered, and the control circuit 50 can control the thermoelectric piece 60 to refrigerate so as to adjust the temperature in the accommodating cavity 11, thereby realizing the storage of insulin; among them, since graphene is called "king of material" and has excellent in-plane heat conductivity, the graphene layer 25 can be used as a high-efficiency heat conduction channel to keep the temperature at each position inside the cup uniform, thereby practically solving the problem that the existing storage tool cannot provide a uniform temperature environment.
It should be noted that the thermoelectric chip 60 is a semiconductor refrigeration chip, and the heating and cooling directions of the semiconductor refrigeration chip can be changed by the positive and negative connection of the semiconductor refrigeration chip, so that the refrigeration and heating functions of the portable insulin constant-temperature storage and transportation cup can be realized by controlling the positive and negative connection of the thermoelectric chip 60 in this embodiment, so as to ensure that the insulin can be always stored in a proper temperature environment.
Specifically, as shown in fig. 8, the temperature sensor includes a first temperature sensor and a second temperature sensor; the control circuit comprises a power supply module 53, a first switching circuit 51, a second switching circuit 52 and a reversing relay JK; the power module 53 includes a first positive electrode 541, a second positive electrode 542, a first negative electrode 551, and a second negative electrode 552; the first switching circuit 51 is electrically connected between the first positive electrode 541 and the first negative electrode 551, and the first switching circuit 51 is provided with an electromagnetic relay KM1 and a first temperature sensor; the second switching circuit 52 is electrically connected between the second positive electrode 551 and the second negative electrode 552, and the second switching circuit 52 is provided with an electromagnetic relay KM2 and a second temperature sensor; the reversing relay JK is electrically connected with the thermoelectric piece 60; when the temperature measured by the first temperature sensor is higher than the preset value, the electromagnetic relay KM1 adsorbs the reversing relay JK to be electrically connected with the first anode 541 and the first cathode 551, and the thermoelectric piece 60 is positively connected between the first anode 541 and the first cathode 551 to drive the second working side 62 to refrigerate; when the temperature measured by the second temperature sensor is lower than the preset value, the electromagnetic relay KM2 adsorbs the reversing relay JK to be electrically connected with the second positive electrode 542 and the second negative electrode 552, and the thermoelectric piece 60 is reversely connected between the second positive electrode 541 and the second negative electrode 552 to drive the second working side 62 to generate heat.
As shown in fig. 8, the first switching circuit 51 further includes a transistor T1, a diode D1, a resistor R11, a resistor R12, and a capacitor C1; the base of the triode T1 is electrically connected to the anode of the diode D1, and the cathode of the diode D1 is electrically connected to the first cathode 551 through the resistor R11; the emitter of the triode T1 is electrically connected with the first cathode 551 through the resistor R12; the collector of the transistor T1 is electrically connected to the first positive electrode 541 through a capacitor C1; one end of the electromagnetic relay KM1 is electrically connected with the collector of the triode T1, and the other end of the electromagnetic relay KM1 is electrically connected with the cathode of the diode D1 through the first temperature sensor.
As shown in fig. 8, the second switching circuit 52 further includes a transistor T2, a diode D2, a resistor R21, a resistor R22, and a capacitor C2; the base of the triode T2 is electrically connected to the anode of the diode D2, and the cathode of the diode D2 is electrically connected to the second cathode 552 through the resistor R21; an emitter of the transistor T2 is electrically connected to the second cathode 552 through a resistor R22; the collector of the transistor T2 is electrically connected to the second anode 542 through a capacitor C2; one end of the electromagnetic relay KM2 is electrically connected with the collector of the triode T2, and the other end of the electromagnetic relay KM2 is electrically connected with the cathode of the diode D2 through a second temperature sensor.
Wherein the first temperature sensor comprises a thermistor RT1 and a variable resistor RP1 which are connected in series; the second temperature sensor includes a thermistor RT2 and a variable resistor RP2 connected in series.
When the temperature control device is applied, the switch K1 and the switch K2 are closed, if the temperature is higher than a preset value, the resistance interval of the thermistor RT1 is increased, the triode T1 is conducted, the coil of the electromagnetic relay KM1 is electrified, the contact of the reversing relay JK is closed upwards, and the thermoelectric sheet 60 is started to refrigerate; when the temperature is in a preset interval, the resistance area of the thermistor RT1 begins to fall, so that the voltage of a series circuit of the thermistor RT1 and the variable resistor RP1 falls, the triode T1 is cut off, the contact of the reversing relay JK is disconnected, and the thermoelectric piece 60 stops working; when the temperature is lower than the preset value, the resistance area of the thermistor RT2 is increased, the triode T2 is conducted, the coil of the electromagnetic relay KM2 is electrified, the contact of the reversing relay JK is closed downwards, and the thermoelectric chip 60 is started to generate heat.
In summary, the scheme can change the heating and cooling functions according to the external temperature, and always control the temperature of the target object within a reasonable range, for example, 2 ℃ to 8 ℃ is a better temperature range, thereby realizing the civil constant-temperature storage and carrying of the insulin in winter and summer.
As shown in fig. 5 and 6, two reagent shelves 20 are provided, and the two reagent shelves 20 are stacked in the accommodating chamber 11.
The reagent shelves 20 are arranged in two, so that the quantity of stored insulin can be ensured to be sufficient, and the phenomenon that the volume of the portable insulin constant-temperature storage and transportation cup body is too large due to the excessive quantity of the reagent shelves 20 is avoided, so that the portability of the portable insulin constant-temperature storage and transportation cup is guaranteed.
As shown in fig. 2 to 7, the cover 30 is provided with a jack 33, and the jack 33 is exposed in the accommodating cavity 11; the reagent shelf 20 comprises a shelf body 21 and heat-conducting columns 22, wherein the shelf body 21 is in a circular tube shape to enclose a positioning groove 23, a plurality of reagent clamping grooves 24 are arranged on the outer peripheral side of the shelf body 21, the heat-conducting columns 22 are arranged at one end of the shelf body 21, the heat-conducting columns 22 of the first reagent shelf 20 are inserted into the insertion holes 33, and the heat-conducting columns 22 of the second reagent shelf 20 are inserted into the positioning grooves 23 of the first reagent shelf 20; the second working side 62 closes the insertion hole 33, and the second working side 62 abuts against the heat conduction column 22 of the first reagent shelf 20.
When the reagent shelf is used, insulin can be loaded in the reagent clamping grooves 24 respectively, the heat conduction column 22 of the lower reagent shelf 20 is inserted into the positioning groove 23 of the upper reagent shelf 20 by taking the direction of the figure as an example, then the sealing cover 30 is covered, the heat conduction column 22 of the upper reagent shelf 20 can be inserted into the jack 33, and the cooling side of the thermoelectric piece 60 is abutted with the heat conduction column 22 of the upper reagent shelf 20, so that the thermoelectric piece 60 can quickly regulate and control the temperature of the reagent shelf 20, and the storage temperature of the insulin can be quickly controlled.
As shown in fig. 2, the heat sink 70 includes a heat dissipation casing 71, a plurality of heat dissipation fins 72 and hydrogel 73, wherein the heat dissipation casing 71 is provided with the plurality of heat dissipation fins 72, the plurality of heat dissipation fins 72 are arranged in a radial shape, the hydrogel 73 is filled in the heat dissipation casing 71, and the hydrogel 73 soaks the plurality of heat dissipation fins 72.
After the arrangement mode is adopted, the heat dissipation fins 72 and the hydrogel 73 can be matched with each other to perform efficient heat dissipation, so that the heat exchange efficiency of the thermoelectric piece 60 is improved, and an important guarantee is provided for efficient refrigeration inside the portable insulin constant-temperature storage and transportation cup.
As shown in fig. 2 and 5, a first mounting cavity 31 and a second mounting cavity 32 are provided in the cover 30, the first mounting cavity 31 is hermetically separated from the second mounting cavity 32, the battery 40 and the control circuit 50 are provided in the first mounting cavity 31, and the heat sink 70 is provided in the second mounting cavity 32.
After the cover 30 is provided with two cavities, the hydrogel 73 can be prevented from flowing into the first mounting cavity 31 from the second mounting cavity 32, so that the storage battery 40 and the control circuit 50 can be ensured to be in a stable and safe working environment, and important guarantee is provided for long-term normal operation of the portable insulin constant-temperature storage and transportation cup.
As shown in fig. 1 and 2, a display screen 34 is disposed outside the cover 30, the display screen 34 is electrically connected to the control circuit 50, and the control circuit 50 is further configured to control the display screen 34 to display the working information of the portable insulin constant-temperature storage and transportation cup.
After the display screen 34 is additionally arranged, a user can know the running state of the portable insulin constant-temperature storage and transportation cup in time through the display screen 34, so that better safety guarantee is provided for the user.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model.
Claims (10)
1. A portable insulin constant-temperature storage and transportation cup which is characterized in that,
comprises a bottle body, a reagent shelf and a sealing cover;
an accommodating cavity is formed in the bottle body;
the reagent shelf is accommodated in the accommodating cavity, the reagent shelf is made of resin materials, and a graphene layer covers the outer surface of the reagent shelf;
the sealing cover is detachably connected with the bottle body and is used for sealing the accommodating cavity, and a thermoelectric sheet, a radiator, a control circuit and a storage battery are arranged in the sealing cover;
the two opposite surfaces of the thermoelectric piece are respectively a first working side and a second working side, the first working side is abutted with the radiator, and the second working side is exposed in the accommodating cavity;
the control circuit is electrically connected with the thermoelectric chip and is connected with a temperature sensor, and the temperature sensor is used for monitoring the temperature in the accommodating cavity; when the measured temperature is lower than a preset value, the control circuit controls the second working side to heat; when the measured temperature is higher than a preset value, the control circuit controls the second working side to refrigerate;
the storage battery is electrically connected with the control circuit and is used for supplying power to the portable insulin constant-temperature storage and transportation cup.
2. The portable insulin thermostatic storage and transportation cup according to claim 1, wherein the number of the reagent shelves is two, and the two reagent shelves are stacked and placed in the accommodating cavity.
3. The portable insulin thermostatic storage and transportation cup according to claim 2,
the cover is provided with a jack which is exposed in the accommodating cavity;
the reagent shelf comprises a shelf body and heat-conducting columns, the shelf body is in a circular tube shape so as to form a positioning groove in a surrounding mode, a plurality of reagent clamping grooves are formed in the outer peripheral side of the shelf body, the heat-conducting columns are arranged at one end of the shelf body, the heat-conducting columns of the first reagent shelf are inserted into the inserting holes, and the heat-conducting columns of the second reagent shelf are inserted into the positioning grooves of the first reagent shelf;
the second working side plugs the jack, and the second working side is abutted against the heat conduction column of the first reagent shelf.
4. The portable insulin constant temperature storage and transportation cup according to claim 1, wherein the heat sink comprises a heat dissipation housing, a plurality of heat dissipation fins and hydrogel, the heat dissipation fins are arranged in a radial shape in the heat dissipation housing, the hydrogel is filled in the heat dissipation housing, and the hydrogel soaks the plurality of heat dissipation fins.
5. The portable insulin constant-temperature storage and transportation cup as claimed in claim 4, wherein a first mounting cavity and a second mounting cavity are arranged in the cover, the first mounting cavity is hermetically separated from the second mounting cavity, the storage battery and the control circuit are arranged in the first mounting cavity, and the radiator is arranged in the second mounting cavity.
6. The portable insulin constant-temperature storage and transportation cup as claimed in claim 5, wherein a display screen is arranged outside the sealing cover, the display screen is electrically connected with the control circuit, and the control circuit is further used for controlling the display screen to display the working information of the portable insulin constant-temperature storage and transportation cup.
7. The portable insulin thermostatic storage and transportation cup according to claim 1,
the temperature sensor comprises a first temperature sensor and a second temperature sensor;
the control circuit comprises a power supply module, a first switching circuit, a second switching circuit and a reversing relay JK;
the power supply module comprises a first positive pole, a second positive pole, a first negative pole and a second negative pole;
the first switching circuit is electrically connected between the first positive electrode and the first negative electrode, and is provided with an electromagnetic relay KM1 and the first temperature sensor;
the second switching circuit is electrically connected between the second positive electrode and the second negative electrode, and is provided with an electromagnetic relay KM2 and the second temperature sensor;
the reversing relay JK is electrically connected with the thermoelectric piece;
when the temperature measured by the first temperature sensor is higher than a preset value, the electromagnetic relay KM1 adsorbs the reversing relay JK to be electrically connected with the first positive electrode and the first negative electrode, and the thermoelectric piece is connected between the first positive electrode and the first negative electrode to drive the second working side to refrigerate;
when the temperature measured by the second temperature sensor is lower than a preset value, the electromagnetic relay KM2 adsorbs the reversing relay JK to be electrically connected with the second positive electrode and the second negative electrode, and the thermoelectric piece is reversely connected between the second positive electrode and the second negative electrode to drive the second working side to generate heat.
8. The portable insulin thermostatic storage and transportation cup according to claim 7,
the first switching circuit further comprises a triode T1, a diode D1, a resistor R11, a resistor R12 and a capacitor C1;
the base of the triode T1 is electrically connected with the anode of the diode D1, and the cathode of the diode D1 is electrically connected with the first cathode through the resistor R11;
the emitter of the triode T1 is electrically connected with the first cathode through the resistor R12;
the collector of the triode T1 is electrically connected with the first positive electrode through the capacitor C1;
one end of the electromagnetic relay KM1 is electrically connected with the collector of the triode T1, and the other end of the electromagnetic relay KM1 is electrically connected with the cathode of the diode D1 through the first temperature sensor.
9. The portable insulin thermostatic storage and transportation cup according to claim 7,
the second switching circuit further comprises a triode T2, a diode D2, a resistor R21, a resistor R22 and a capacitor C2;
the base of the triode T2 is electrically connected with the anode of the diode D2, and the cathode of the diode D2 is electrically connected with the second cathode through the resistor R21;
the emitter of the triode T2 is electrically connected with the second cathode through the resistor R22;
the collector of the triode T2 is electrically connected with the second positive electrode through the capacitor C2;
one end of the electromagnetic relay KM2 is electrically connected with the collector of the triode T2, and the other end of the electromagnetic relay KM2 is electrically connected with the cathode of the diode D2 through the second temperature sensor.
10. The portable insulin thermostatic storage and transportation cup according to claim 7,
the first temperature sensor comprises a thermistor RT1 and a variable resistor RP1 which are connected in series;
the second temperature sensor includes a thermistor RT2 and a variable resistor RP2 connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121115185.2U CN215754174U (en) | 2021-05-24 | 2021-05-24 | Portable insulin constant-temperature storage and transportation cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121115185.2U CN215754174U (en) | 2021-05-24 | 2021-05-24 | Portable insulin constant-temperature storage and transportation cup |
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| Publication Number | Publication Date |
|---|---|
| CN215754174U true CN215754174U (en) | 2022-02-08 |
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| CN202121115185.2U Active CN215754174U (en) | 2021-05-24 | 2021-05-24 | Portable insulin constant-temperature storage and transportation cup |
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- 2021-05-24 CN CN202121115185.2U patent/CN215754174U/en active Active
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