CN203949439U - A kind of mini refrigeration cassette - Google Patents
A kind of mini refrigeration cassette Download PDFInfo
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- CN203949439U CN203949439U CN201420194113.5U CN201420194113U CN203949439U CN 203949439 U CN203949439 U CN 203949439U CN 201420194113 U CN201420194113 U CN 201420194113U CN 203949439 U CN203949439 U CN 203949439U
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Abstract
The utility model relates to a kind of refrigeration plant, concrete, relates to a kind of mini refrigeration cassette.Described mini refrigeration cassette comprises box body, is arranged on the power panel of box body inside and is arranged on the display board on box body; Described power panel is connected by soft arranging wire with described display board, described power panel comprises governor circuit supply module, the alarm control module, radiator fan control module, refrigeration control module and the temperature detecting module that are connected with described governor circuit supply module respectively; Described display board comprises governor circuit module, the key-press module and the LCD MODULE that are connected with described governor circuit module; Described governor circuit module is connected with temperature detecting module with described governor circuit supply module, alarm control module, radiator fan control module, refrigeration control module respectively.Compare with the large-scale refrigeration plant of prior art, refrigeration cassette volume of the present utility model is little, is convenient for carrying, and adopts soft arranging wire wiring easy to connect, can effectively dwindle the volume of refrigeration cassette.
Description
Technical field
The present invention relates to a kind of refrigeration plant, concrete, relate to a kind of mini refrigeration cassette.
Background technology
The medicine such as vaccine, insulin will be stored in the isoperibol of 2 to 8 degrees Celsius could keep normal effect, and the manufacturing enterprise of this similar drug, dealer and disease prevention and controls at different levels center are all equipped with the refrigeration plant of safety and stability in transportation and storage link.But this refrigeration plant cost is high, be only suitable for the application scenario of storage in enormous quantities, for carrying when this similar drug is paid a home visit, use this large-scale refrigeration plant unrealistic, therefore designing a kind of mini refrigeration cassette being convenient for carrying becomes urgent problem.
Summary of the invention
The shortcoming that is only suitable for storage in enormous quantities for overcoming the refrigeration cassette of prior art, the invention provides a kind of mini refrigeration cassette.
Mini refrigeration cassette of the present invention comprises box body, is arranged on the power panel of box body inside and is arranged on the display board on box body; Described power panel is connected by soft arranging wire with described display board.Compare with the large-scale refrigeration plant of prior art, refrigeration cassette volume of the present invention is little, is convenient for carrying, and because power panel and display board are arranged on the diverse location of box body, adopts soft arranging wire wiring easy to connect, can effectively dwindle the volume of refrigeration cassette.
As a kind of preferred embodiment of the present invention, described power panel comprises governor circuit supply module, the alarm control module, radiator fan control module, refrigeration control module and the temperature detecting module that are connected with described governor circuit supply module respectively; Described display board comprises governor circuit module, the key-press module and the LCD MODULE that are connected with described governor circuit module; Described governor circuit module is connected with temperature detecting module with described governor circuit supply module, alarm control module, radiator fan control module, refrigeration control module respectively.While carrying this refrigeration cassette when going out, can be connected by multiple power supply units such as circuit supply module and domestic power supply adapter, backup battery, vehicle powers, conveniently provide Power supply for refrigeration cassette.
As a kind of preferred embodiment of the present invention, described power strip module also comprises reserve battery power supply and a charge control module, and described reserve battery power supply and charge control module are connected with governor circuit supply module with described governor circuit module respectively.User can power and charge control module is charged to refrigeration cassette and preserves electric weight by reserve battery, and when going out there is no power supply unit, refrigeration cassette can utilize the electric energy of described reserve battery power supply and charge control module storage to freeze.
As a kind of preferred embodiment of the present invention, described refrigeration module is PTC refrigeration control module.It does not use the harmful cold-producing medium of tradition, safety and environmental protection.
As a kind of preferred embodiment of the present invention, described governor circuit supply module comprises external power source interface J1, diode D2, D3, resistance R 14, R17, R18, R19, capacitor C 1, C7, C8, C9, C10, electrochemical capacitor EC1, EC2, inductance L 3, power conversion chip IC2, U1; Wherein, described reserve battery power supply and charge control module are connected to IC2 by D2, external power source is connected to IC2 by D3, and R14 is connected between the 2nd pin and the 7th pin of IC2, and C1 is connected between the 1st pin and the 3rd pin of IC2, IC2 is by R17 output voltage DC5V, IC2 is respectively by R18, C8, EC1 ground connection, and IC2 is respectively by C7, R19 and C10 ground connection, and C9, EC2 are connected to respectively between DC5V and ground, L3 is connected between DC5V and IC2, and DC5V is connected to main control chip U3 by U1.
As a kind of preferred embodiment of the present invention, described reserve battery power supply and charge control module comprise resistance R 1, R2, R3, R7, R15, R16, capacitor C 2, C3, C5, C6, C11, electrochemical capacitor EC3, EC4, EC5, diode D1, P channel MOS tube Q4, triode Q5, inductance L 1, L4 and power conversion chip IC1, wherein, R1 is connected between IC1 and the drain electrode of Q4, IC1 passes through respectively R2, C11 ground connection, IC1 is again by ground connection after C2 and R3 series connection, IC1 is connected with the input power of this module by R7, power supply is by EC4 ground connection, R15 is connected between the drain and gate of Q4, EC5 is passed through respectively in the drain electrode of Q4, C6 ground connection, the drain electrode of Q4 is connected to IC1 by L1 again, the source electrode of Q4 by with D1, L4, ground connection after EC3 series connection, the grid of Q4 is received the colelctor electrode of Q5, the base stage of Q5 is received main control chip U3 by R16, the grounded emitter of Q5, C3 is connected between the 1st pin and the 3rd pin of IC1, IC1 is by C5 ground connection, anode is by EC3 ground connection.
As a kind of preferred embodiment of the present invention, described buzzer warning control module comprises resistance R 4, R5, R12, NPN type triode Q1 and buzzer BZ1; Wherein the colelctor electrode of Q1 is connected with power supply VCC by R4, simultaneously also by R4 and R12 series connection to power supply chip U1, the grounded emitter of Q1, the base stage of Q1 is connected to main control chip U3 by R5, buzzer is connected between the collector and emitter of Q1.
As a kind of preferred embodiment of the present invention, described radiator fan control module comprises resistance R 6, R8, R9, inductance L 2, NPN type triode Q6, N-channel MOS pipe Q3 and fan socket FAN.Wherein the base stage of Q6 is connected to main control chip U3 by R6, the colelctor electrode wind-receiving fan power supply DC5V of Q6, and the emitter stage of Q6 is connected to the grid of Q3, the grid of Q3 is by R9 ground connection, the drain electrode wind-receiving fan of Q3, the source ground of Q3, the power supply of DC5V is connected to fan by L2, and R8 is connected to fan two ends.
As a kind of preferred embodiment of the present invention, described PTC refrigeration control module comprises resistance R 10, R11, NPN type triode Q7, N-channel MOS pipe Q2 and PTC socket PTC1; Wherein, the base stage of Q7 is connected to main control chip MC81F4204 by R10, and the colelctor electrode of Q7 meets PTC power supply VIN, and the emitter stage of Q7 is connected to the grid of Q2, and PTC is connected between the colelctor electrode of Q7 and the drain electrode of Q2, and the source electrode of the grid of Q2 by R11 and Q2 be ground connection together.
As a kind of preferred embodiment of the present invention, described temperature detecting module Fig. 1 unit 6 comprises NTC1, and NTC1 is connected between main control chip U3 and ground.
As a kind of preferred embodiment of the present invention, described governor circuit module comprises main control chip U3, storage chip U2, cell voltage divider resistance R20 and R23, back light unit R24, LED1 and Q6, NTC1 pull-up resistor R19, filter capacitor C7, C8, C9, IIC pull-up resistor R21, R22, wherein, U3 the 5th pin meets power supply VCC, the 16th pin ground connection, shunt-wound capacitance C8 between the 5th and the 16th pin, the 1st pin is connected to battery charge sampling resistor, the 2nd, 3 pin are connected to respectively the 6th of U2, 5 pin, the 4th pin is connected to that one end that NTC is connected with R19, the 6th, 7, 8, 9, 10 is key-press module interface pin, the 11st, 12, 13 are connected with lcd drive chip U4, the 14th pin is fan control pin, the 15th pin is that buzzer is controlled pin, the 17th pin is refrigeration control pin, the 18th pin is that backlight control pin is connected with Q6 base stage, the 19th pin is battery voltage detection pin, the 20th pin is that pin is controlled in battery charging, the 1st of storage chip U2, 2, 3, 4 pin ground connection, the 5th of U2, 6 pin are through R21, after drawing on R22, be connected with U3, the 7th pin is unsettled does not connect, the 8th pin meets power supply VCC.LED1 positive pole backlight is received VCC after connecting with R24, and negative pole is connected to the colelctor electrode of Q6, the grounded emitter of Q6.
As a kind of preferred embodiment of the present invention, described key-press module comprises S1, S2, S3, S4, S5, S6, and S1-S6 is connected with the keystroke interface of main control module after connecting into the matrix press-key of 2X3.
As a kind of preferred embodiment of the present invention, described LCD MODULE comprises lcd drive chip and liquid crystal panel, 4 COM pin of described lcd drive chip CS1621 are connected with 4 COM pin of liquid crystal panel respectively, each SEG pin of lcd drive chip CS1621 is connected with each SEG pin of liquid crystal panel respectively, and CS1621 receives by the 10th, 11,12 pin the demonstration data that main control module is sent.
Accompanying drawing explanation
Fig. 1 is the structural representation of refrigeration cassette of the present utility model;
Fig. 2 is the power panel circuit structure diagram of refrigeration cassette of the present utility model;
Fig. 3 is the display board circuit structure chart of refrigeration cassette of the present utility model.
The specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Mini refrigeration cassette of the present invention comprises box body (not indicating in figure), is arranged on the power panel 1 of box body inside and is arranged on the display board 2 on box body; Described power panel 1 is connected by soft arranging wire with described display board 2.Described power panel 1 comprises governor circuit supply module 11, the alarm control module 13, radiator fan control module 14, refrigeration control module 15 and the temperature detecting module 16 that are connected with described governor circuit supply module 11 respectively; Described display board 2 comprises governor circuit module 21, the key-press module 22 and the LCD MODULE 23 that are connected with described governor circuit module 21; Described governor circuit module 21 is connected with described governor circuit supply module 11, alarm control module 13, radiator fan control module 14, refrigeration control module 15 and temperature detecting module 16 respectively.
User can arrange the temperature in refrigeration cassette by key-press module 22, and the temperature of setting is presented on LCD MODULE 23; Temperature detecting module 16 is for detection of the temperature in refrigeration cassette, and the real time temperature detecting is presented on LCD MODULE 23; When in refrigeration cassette, actual temperature is higher than set temperature, governor circuit module 21 is controlled refrigeration control module 15 refrigeration, until the actual temperature in refrigeration cassette just stops refrigeration while being equal to or less than set temperature, thereby guarantee that the temperature in refrigeration cassette maintains in the scope of setting.
Compare with the large-scale refrigeration plant of prior art, refrigeration cassette volume of the present invention is little, is convenient for carrying, and because power panel and display board are arranged on the diverse location of box body, adopts soft arranging wire wiring easy to connect, can effectively dwindle the volume of refrigeration cassette.In addition, while carrying this refrigeration cassette when going out, can be connected by multiple power supply units such as circuit supply module and domestic power supply adapter, backup battery, vehicle powers, conveniently provide Power supply for refrigeration cassette.
As a kind of preferred embodiment of the present invention, described power panel 1 also comprises reserve battery power supply and a charge control module 12, and described reserve battery power supply and charge control module 12 are connected with governor circuit supply module 11 with described governor circuit module 21 respectively.User can power and charge control module 12 is charged to refrigeration cassette and preserves electric weight by reserve battery, and when going out there is no power supply unit, refrigeration cassette can utilize the electric energy of described reserve battery power supply and charge control module 12 storages to freeze.
As a kind of preferred embodiment of the present invention, described refrigeration module 15 is PTC refrigeration control module, compares with traditional refrigeration modes, and it does not use the harmful cold-producing medium of tradition, safety and environmental protection.
Described governor circuit supply module governor circuit supply module 11 comprises external power source interface J1, diode D2, D3, resistance R 14, R17, R18, R19, capacitor C 1, C7, C8, C9, C10, electrochemical capacitor EC1, EC2, inductance L 3, power conversion chip IC2, U1, wherein D2 positive pole is received anode, and negative pole is received IC2 the 2nd pin; D3 positive pole is received external power source positive pole, and negative pole is received IC2 the 2nd pin; R14 mono-termination IC2 the 2nd pin, the 7th pin of another termination IC2; The 5th pin of R17 mono-termination IC2, the other end is received output voltage DC5V; R18 mono-end is received the 5th pin of IC2, and the other end is received ground; R19 mono-end is received ground, and the other end is received the 6th pin of IC2 after connecting with C7; C1 mono-end is received the 1st pin of IC2, and the other end is received the 3rd pin of IC2; C8 mono-end is received the 8th pin of IC2, and the other end is received ground; C9 mono-end is received output voltage DC5V, and the other end is received ground; C10 mono-end is received the 6th pin of IC2, other end ground connection; EC1 positive pole is received the 2nd pin of IC2, and negative pole is received ground; EC2 positive pole is received Voltage-output DC5V, minus earth; L3 one end is to output voltage DC5V, and the other end is received the 3rd pin of IC2; The 2nd pin of IC2 is received input power positive pole, the 4th pin ground connection; The 3rd pin of U1 is received output voltage DC5V, the 1st pin ground connection, and the 2nd pin is received the power pins of main control chip U3.
As a kind of preferred embodiment of the present invention, described reserve battery power supply and charge control module 12 comprise resistance R 1, R2, R3, R7, R15, R16, capacitor C 2, C3, C5, C6, C11, electrochemical capacitor EC3, EC4, EC5, diode D1, P channel MOS tube Q4, triode Q5, inductance L 1, L4 and power conversion chip C1, wherein R1 mono-end is received the 5th pin of IC1, and the other end is received the drain electrode of Q4; R2 mono-end is received the 5th pin of IC1, other end ground connection; R3 one end ground connection, the other end is received the 6th pin of IC1 after connecting with C2; R7 mono-end is received the input power of this module, and the other end is received the 7th pin of IC1; The drain electrode that R15 mono-end is received Q4, the other end is connected to the utmost point electrode of Q5 after being connected with Q4 grid; R16 mono-end is received the base stage of Q5, and the other end is received the charging of main control chip U3 and controlled pin; C3 mono-end is received the 1st pin of IC1, and the other end is received the 3rd pin of IC1; C5 mono-end is received the 8th pin of IC1, other end ground connection; C6 mono-termination Q4 drain electrode, other end ground connection; The 6th pin of C11 mono-termination IC1, other end ground connection; It is anodal that EC3 positive pole connects battery electricity, minus earth; EC4 positive pole connects the positive pole of this module input power, minus earth; EC5 positive pole connects Q4 drain electrode, minus earth; D1 positive pole connects Q4 source electrode, and negative pole is received the positive pole of battery after connecting with L4; Q5 grounded emitter, base stage is connected to main control chip U3 through R16, and colelctor electrode is connected to the grid of Q4; The 3rd pin of L1 mono-termination IC1, the other end is connected to the drain electrode of Q4; The 2nd pin of IC1 is received the positive pole of this module input power, the 4th pin ground connection.
As a kind of preferred embodiment of the present invention, described buzzer warning control module 13 comprises resistance R 4, R5, R12, NPN type triode Q1 and buzzer BZ1.Wherein R4 mono-end is received buzzer power supply VCC, and another connects the colelctor electrode that terminates to Q1; R12 mono-end is received power supply VCC, and another termination is connected to the base stage of Q1 after being connected in series with R5; R5 mono-termination Q1 base stage, the other end is connected to the buzzer of main control chip U3 and controls pin; Q1 grounded emitter; The colelctor electrode of BZ1 mono-termination Q1, other end ground connection.
As a kind of preferred embodiment of the present invention, described radiator fan control module 14 comprises resistance R 6, R8, R9, inductance L 2, NPN type triode Q6, N-channel MOS pipe Q3 and fan socket FAN.The base stage of R6 mono-termination Q6 wherein, the other end is connected to the fan control pin of main control chip U3; Fan power supply DC5V is received in R8 one end after being connected in series with L2, the other end is connected to the drain electrode of Q3; R9 one end ground connection, the grid of other end Q3; Q6 colelctor electrode is connected to fan power supply DC5V, and emitter stage is connected to Q3 grid; Q3 source ground.
As a kind of preferred embodiment of the present invention, described PTC refrigeration control module 15 comprises resistance R 10, R11,
NPN type triode Q7, N-channel MOS pipe Q2 and PTC socket PTC1.Wherein R10 mono-end is received the base stage of Q7, and the other end is connected under the refrigeration control pin of main control chip MC81F4204; R11 mono-end is received the grid of Q2, and the other end is with Q2 source electrode ground connection together; Q7 emitter stage is received Q2 grid, and colelctor electrode is received PTC power supply VIN; Q2 drain electrode is concatenated into power supply PTC1 with PTC1.As a kind of preferred embodiment of the present invention, described temperature detecting module comprises NTC1, NTC1 one end ground connection, and the other end is received the temperature detection pin of main control chip MC81F4204.
As a kind of preferred embodiment of the present invention, described governor circuit module 21 comprises main control chip U3, storage chip U2, cell voltage divider resistance R20 and R23, back light unit R24, LED1 and Q6, NTC1 pull-up resistor power R19, filter capacitor C7, C8, C9, IIC pull-up resistor R21, R22.Wherein main control chip U3 the 5th pin meets power supply VCC, the 16th pin ground connection, shunt-wound capacitance C8 between the 5th and the 16th pin, the 1st pin is connected to the cathode voltage end of battery charge sampling resistor, the 2nd, 3 pin are connected to respectively the 6th of U2, 5 pin, the 4th pin is connected to that one end that NTC is connected with R19, the 6th, 7, 8, 9, 10 is key-press module interface pin, the 11st, 12, 13 respectively with the 12nd of lcd drive chip U4, 11, 10 are connected, the 14th pin is fan control pin, the 15th pin is that buzzer is controlled pin, the 17th pin is refrigeration control pin, the 18th pin is that backlight control pin is connected with Q6 base stage, the 19th pin is battery voltage detection pin, the 20th pin is that pin is controlled in battery charging.Storage chip U2 the 1st, 2,3,4 pin ground connection, the 5th, 6 pin are connected with the 3rd, 2 pin of U3 after drawing on R21, R22, and the 7th pin is unsettled does not connect, and the 8th pin meets power supply VCC.LED1 positive pole backlight is received VCC after connecting with R24, and negative pole is connected to the colelctor electrode of Q6, the grounded emitter of Q6.
As a kind of preferred embodiment of the present invention, described key-press module 22 comprises S1, S2, S3, S4, S5, S6, and S1-S6 is connected with the keystroke interface of main control module after connecting into the matrix press-key of 2X3.
As a kind of preferred embodiment of the present invention, described LCD MODULE 21 comprises lcd drive chip and liquid crystal panel, 4 COM pin of described lcd drive chip CS1621 are connected with 4 COM pin of liquid crystal panel respectively, each SEG pin of lcd drive chip CS1621 is connected with each SEG pin of liquid crystal panel respectively, and CS1621 receives by the 10th, 11,12 pin the demonstration data that main control module is sent.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is only limited to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (13)
1. a mini refrigeration cassette, is characterized in that: described refrigeration cassette comprises box body, is arranged on the power panel of box body inside and is arranged on the display board on box body; Described power panel is connected by soft arranging wire with described display board.
2. refrigeration cassette as claimed in claim 1, it is characterized in that: described power panel comprises governor circuit supply module the alarm control module, radiator fan control module, refrigeration control module and the temperature detecting module that are connected with described governor circuit supply module respectively; Described display board comprises governor circuit module, the key-press module and the LCD MODULE that are connected with described governor circuit module; Described governor circuit module is connected with temperature detecting module with described governor circuit supply module, alarm control module, radiator fan control module, refrigeration control module respectively.
3. refrigeration cassette as claimed in claim 2, it is characterized in that: described power strip module also comprises reserve battery power supply and a charge control module, described reserve battery power supply and charge control module are connected with governor circuit supply module with described governor circuit module respectively.
4. refrigeration cassette as claimed in claim 2, is characterized in that: described refrigeration module is PTC refrigeration control module.
5. refrigeration cassette as claimed in claim 2, it is characterized in that: described governor circuit supply module comprises external power source interface J1, diode D2, D3, resistance R 14, R17, R18, R19, capacitor C 1, C7, C8, C9, C10, electrochemical capacitor EC1, EC2, inductance L 3, power conversion chip IC2, U1; Wherein, described reserve battery power supply and charge control module are connected to IC2 by D2, external power source is connected to IC2 by D3, and R14 is connected between the 2nd pin and the 7th pin of IC2, and C1 is connected between the 1st pin and the 3rd pin of IC2, IC2 is by R17 output voltage DC5V, IC2 is respectively by R18, C8, EC1 ground connection, and IC2 is respectively by C7, R19 and C10 ground connection, and C9, EC2 are connected to respectively between DC5V and ground, L3 is connected between DC5V and IC2, and DC5V is connected to main control chip U3 by U1.
6. refrigeration cassette as claimed in claim 2, it is characterized in that: described reserve battery power supply and charge control module comprise resistance R 1, R2, R3, R7, R15, R16, capacitor C 2, C3, C5, C6, C11, electrochemical capacitor EC3, EC4, EC5, diode D1, P channel MOS tube Q4, triode Q5, inductance L 1, L4 and power conversion chip C1, wherein, R1 is connected between C1 and the drain electrode of Q4, C1 passes through respectively R2, C11 ground connection, C1 is again by ground connection after C2 and R2 series connection, C1 is connected with the input power of this module by R7, power supply is by EC4 ground connection, R15 is connected between the drain and gate of Q4, EC5 is passed through respectively in the drain electrode of Q4, C6 ground connection, the drain electrode of Q4 is connected to C1 by L1 again, the source electrode of Q4 by with D1, L4, ground connection after EC3 series connection, the grid of Q4 is received the colelctor electrode of Q5, the base stage of Q5 is received main control chip U3 by R16, the grounded emitter of Q5, C3 is connected between the 1st pin and the 3rd pin of C1, C1 is by C5 ground connection, anode is by EC3 ground connection.
7. refrigeration cassette as claimed in claim 2, is characterized in that: described buzzer warning control module comprises resistance R 4, R5, R12 NPN type triode Q1 and buzzer BZ1; Wherein the colelctor electrode of Q1 is connected with power supply VCC by R4, simultaneously also by R4 and R12 series connection to main control chip U3, the grounded emitter of Q1, the base stage of Q1 is connected to main control chip U3 by R5, buzzer is connected between the collector and emitter of Q1.
8. refrigeration cassette as claimed in claim 2, is characterized in that: described radiator fan control module comprises resistance R 6, R8, R9, inductance L 2, NPN type triode Q6, N-channel MOS pipe Q3 and fan socket FAN.Wherein the base stage of Q6 is connected to main control chip U3 by R6, the colelctor electrode wind-receiving fan power supply DC5V of Q6, the emitter stage of Q6 and the grid of Q3, the grid of Q3 is by R9 ground connection, the drain electrode wind-receiving fan of Q3, the source ground of Q3, the power supply of DC5V is connected to fan by L2, and R8 is connected to fan two ends.
9. refrigeration cassette as claimed in claim 2, is characterized in that: described PTC refrigeration control module comprises resistance R 10, R11, NPN type triode Q7, N-channel MOS pipe Q2 and PTC socket PTC1; Wherein, the base stage of Q7 is connected to main control chip MC81F4204 by R10, and the colelctor electrode of Q7 meets PTC power supply VIN, and the emitter stage of Q7 is connected to the grid of Q2, and PTC is connected between the colelctor electrode of Q7 and the drain electrode of Q2, and the source electrode of the grid of Q2 by R11 and Q2 be ground connection together.
10. refrigeration cassette as claimed in claim 2, is characterized in that: described temperature detecting module Fig. 1 unit 6 comprises NTC1, and NTC1 is connected between main control chip U3 and ground.
11. refrigeration cassettes as claimed in claim 2, it is characterized in that: described governor circuit module comprises main control chip U3, storage chip U2, cell voltage divider resistance R20 and R23, back light unit R24, LED1 and Q6, NTC1 pull-up resistor power R19, filter capacitor C7, C8, C9, IIC pull-up resistor R21, R22, wherein, U3 the 5th pin meets power supply VCC, the 16th pin ground connection, shunt-wound capacitance C8 between the 5th and the 16th pin, the 1st pin is connected to battery charge sampling resistor, the 2nd, 3 pin are connected to respectively the 6th of U2, 5 pin, the 4th pin is connected to that one end that NTC is connected with R19, the 6th, 7, 8, 9, 10 is key-press module interface pin, the 11st, 12, 13 are connected with lcd drive chip U4, the 14th pin is fan control pin, the 15th pin is that buzzer is controlled pin, the 17th pin is refrigeration control pin, the 18th pin is that backlight control pin is connected with Q6 base stage, the 19th pin is battery voltage detection pin, the 20th pin is that pin is controlled in battery charging, the 1st of storage chip U2, 2, 3, 4 pin ground connection, the 5th of U2, 6 pin are through R21, after drawing on R22, be connected with U3, the 7th pin is unsettled does not connect, the 8th pin meets power supply VCC.LED1 positive pole backlight is received VCC after connecting with R24, and negative pole is connected to the colelctor electrode of Q6, the grounded emitter of Q6.
12. refrigeration cassettes as claimed in claim 2, is characterized in that: described key-press module comprises S1, S2, S3, S4, S5, S6, and S1-S6 is connected with the keystroke interface of main control module after connecting into the matrix press-key of 2X3.
13. refrigeration cassettes as claimed in claim 2, it is characterized in that: described LCD MODULE comprises lcd drive chip and liquid crystal panel, 4 COM pin of described lcd drive chip CS1621 are connected with 4 COM pin of liquid crystal panel respectively, each SEG pin of lcd drive chip CS1621 is connected with each SEG pin of liquid crystal panel respectively, the demonstration data that CS1621 receives main control module to send by the 10th, 11,12 pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420194113.5U CN203949439U (en) | 2014-04-11 | 2014-04-11 | A kind of mini refrigeration cassette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420194113.5U CN203949439U (en) | 2014-04-11 | 2014-04-11 | A kind of mini refrigeration cassette |
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| Publication Number | Publication Date |
|---|---|
| CN203949439U true CN203949439U (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420194113.5U Expired - Fee Related CN203949439U (en) | 2014-04-11 | 2014-04-11 | A kind of mini refrigeration cassette |
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| CN (1) | CN203949439U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819614A (en) * | 2015-04-27 | 2015-08-05 | 刘菊霞 | Mini intelligent refrigeration box and refrigeration method thereof |
-
2014
- 2014-04-11 CN CN201420194113.5U patent/CN203949439U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819614A (en) * | 2015-04-27 | 2015-08-05 | 刘菊霞 | Mini intelligent refrigeration box and refrigeration method thereof |
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Addressee: SHENZHEN YOMBAND ELECTRONICS Co.,Ltd. Document name: Notification of Passing Examination on Formalities |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20200411 |