CN103162487A - Small vehicle-mounted refrigerator based on semiconductor chilling plates - Google Patents
Small vehicle-mounted refrigerator based on semiconductor chilling plates Download PDFInfo
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- CN103162487A CN103162487A CN2013101300935A CN201310130093A CN103162487A CN 103162487 A CN103162487 A CN 103162487A CN 2013101300935 A CN2013101300935 A CN 2013101300935A CN 201310130093 A CN201310130093 A CN 201310130093A CN 103162487 A CN103162487 A CN 103162487A
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Abstract
A small vehicle-mounted refrigerator based on semiconductor chilling plates comprises a storage box, a circuit board, a fan heat dissipation module and a semiconductor refrigeration module. The circuit board, the fan heat dissipation module and the semiconductor refrigeration module are arranged on the back surface of the outer side of the storage box. An adjustment button is arranged on a door plate of the storage box. A direct-current power module directly supplies 12 volts of direct current to the fan heat dissipation module and the semiconductor refrigeration module. The direct-current power module supplies 5 volts of direct current converted by a stabilivolt module to a temperature collection module, a key input module, a buzzer alarm module, a single chip microcomputer master control module and the like. The single chip microcomputer master control module of the circuit board is connected with the fan heat dissipation module and the semiconductor refrigeration module through a relay. The fan heat dissipation module is connected with the semiconductor refrigeration module through a layer of heat conduction silicone grease. The semiconductor refrigeration module comprises the two semiconductor chilling plates which are in contact with each other and connected in parallel. The small vehicle-mounted refrigerator based on the semiconductor chilling plates has the advantages of being light in weight, low in energy consumption, convenient to operate, high in display accuracy and abundant in functions.
Description
Technical field
The present invention relates to a kind of vehicle-mounted mini-bar of based semiconductor cooling piece, belong to car electrics and heat energy applied technical field.
Background technology
Present vehicle-mounted mini-bar mainly contains three classes: the first kind is traditional car refrigerator that utilizes ice bag cooling storing, and it can only be incubated, and refrigeration is not obvious; Equations of The Second Kind is the compressor car refrigerator that utilizes the compressor principle, its Heavy Weight, and power consumption, expensive; The 3rd class is to utilize the car refrigerator of the Peltier of semiconductor chilling plate (Peltier) effect refrigeration, but existing this type of car refrigerator exists function singleness, power consumption is high and the drawback such as poor refrigerating efficiency, can't satisfy the user to the multi-functional demand of car refrigerator.
Summary of the invention
The invention discloses a kind of vehicle-mounted mini-bar of based semiconductor cooling piece, a plurality of modules such as temperature acquisition processing module, master control system, refrigeration module, radiating module, buzzer warning module, display module all are optimized, can effectively overcome existing vehicle-mounted mini-bar function singleness, power consumption is high and the drawback such as poor refrigerating efficiency, have simultaneously random design temperature, in real time displays temperature, arrive the personalized function such as design temperature alarm prompting.
For achieving the above object, the concrete technical scheme taked of the present invention is as follows:
A kind of vehicle-mounted mini-bar of based semiconductor cooling piece comprises that storage tank, circuit board, fan heat radiation module and semiconductor refrigerating module four parts form; Wherein circuit board, fan heat radiation module and semiconductor refrigerating module are arranged on the back side, the storage tank outside, and the adjusting button is set on the storage tank door-plate; It is characterized in that:
A) described circuit board is comprised of DC power supplier, Voltage stabilizing module, temperature collect module, keyboard input module, buzzer warning module, single-chip microcomputer main control module, display module;
DC power supplier provides the 12V direct current;
Voltage stabilizing module converts the 12V direct current to the 5V direct current;
Temperature collect module is used for changing the reflection refrigerator temperatures by built-in NTC thermistor 103 both end voltage to be changed, then voltage signal is transferred to the single-chip microcomputer processing after the ADC0804 of eight converts digital quantity to;
Button acquisition module: be used for sending key information to single-chip microcomputer;
Buzzer module: be used for output alarm signal and cue;
Single-chip microcomputer main control module: be used for the control centre as whole control system, process the information that each several part transmits;
Display module: be used for showing real time temperature and other information of output after single-chip microcomputer is processed;
B) described DC power supplier is directly given fan heat radiation module and semiconductor refrigerating module 12V direct current; DC power supplier converts the 5V direct current to through Voltage stabilizing module, directly gives temperature collect module, keyboard input module, buzzer warning module, single-chip microcomputer main control module, display module power supply;
C) circuit board and fan heat radiation module and semiconductor refrigerating module are connected with storage tank with screw respectively, information bidirectional transmission between temperature collect module, keyboard input module, buzzer warning module and single-chip microcomputer main control module, single-chip microcomputer main control module on circuit board is connected with the semiconductor refrigerating module with fan heat radiation module by relay, single-chip microcomputer main control module output information passes to fan heat radiation module and semiconductor refrigerating module, and is shown by display module.
D) there is one deck heat-conducting silicone grease to connect between described fan heat radiation module and semiconductor refrigerating module;
E) described semiconductor refrigerating module comprises two semiconductor chilling plates that contact with each other and be connected in parallel; Can accelerate refrigerating speed, and improve radiating efficiency by the use of heat-conducting silicone grease.
Described each semiconductor chilling plate is comprised of semiconductor PN.
Described display module is a kind of in light-emitting diode display, character LCD display and graphical LCD display.
The key number of described key-press module is a key at least.
The one side of described semiconductor chilling plate is cold junction, and another side is the hot junction, otherwise one side is the hot junction, and another side is cold junction, and the size of heat absorption and release is the element logarithm decision by the size of electric current and semi-conducting material N, P.
This vehicle-mounted mini-bar does not have moving component, noiselessness in work, and aneroid, gas working media, thereby free from environmental pollution, the refrigeration parameter is not subjected to direction in space and gravity effect, under large mechanical overload condition, can normally work; By regulating the size of operating current, conveniently adjusted refrigeration speed; By the switch current direction, refrigerator is changed into from refrigerating state heat duty; Speed of action is fast, long service life, and be easy to control.And because the size of semiconductor cooler is little, can make that volume is little, lightweight refrigerator is easy to carry, be the good material of making vehicle-mounted mini-bar.
Beneficial effect of the present invention: the invention provides a kind of vehicle-mounted mini-bar of based semiconductor cooling piece, overcome tradition and utilized that the car refrigerator of ice bag cooling storing can only be incubated, refrigeration unconspicuous deficiency; Compare its weight saving, environmental protection, cheap with existing compressor car refrigerator; Compare with the based semiconductor cooling piece car refrigerator that has at present the storing that can not only freeze, arbitrarily design temperature, displays temperature, arrival design temperature alarm prompting etc. in real time.By the optimization to control circuit, make the advantages such as it has low-power consumption, easy to operate, display precision is high, feature richness, human-computer interaction interface close friend.Can be widely used in the applications such as portable refrigerating take car-mounted device as representative.
Description of drawings
Fig. 1 is the vehicle-mounted mini-bar circuit board module structural representation of a kind of based semiconductor cooling piece of the present invention;
Fig. 2 is the vehicle-mounted mini-bar workflow schematic diagram of a kind of based semiconductor cooling piece of the present invention.
1. DC power supplier, 2. Voltage stabilizing module, 3. temperature collect module, 4. keyboard input module, 5. buzzer warning module, 6. fan heat radiation module, 7. single-chip microcomputer main control module, 8. semiconductor refrigerating module, 9. display module.
Solid line representation signal relation in Fig. 1, dotted line represents the power supply relation.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is further elaborated, but the present embodiment is not limited to the present invention, every employing similarity method of the present invention and similar variation thereof all should be listed in protection scope of the present invention.
A kind of vehicle-mounted mini-bar of based semiconductor cooling piece mainly contains storage tank, circuit board, fan heat radiation module 6 and semiconductor refrigerating module 8 four parts compositions; Wherein circuit board, fan heat radiation module 6 are arranged on the back side, the storage tank outside with semiconductor refrigerating module 8, on the storage tank door-plate, regulating key are set.
In the embodiment of the present invention: Voltage stabilizing module 2: use 7805 three-terminal voltage-stabilizing chips; Temperature collect module 3: be comprised of NTC thermistor and ADC analog to digital conversion circuit, the ADC analog to digital conversion circuit uses the ADC0804 chip, is encapsulated as DIP; Keyboard input module 4: the little button of square elasticity by four four pins forms, and it is respectively used to increase design temperature, reduces design temperature, the design temperature input is completed confirmation, manually restarted; Fan heat radiation module 6: use 5010 fans of 50mm * 50mm * 10mm, rated voltage 12V, current ratings 0.1A; Single-chip microcomputer main control module 7: the STC90C52RD singlechip chip that uses the DIP40 pin; Semiconductor refrigerating module 8: 40mm * 40mm of two 12V of employing * 3.35mm TEC1 type semiconductor chilling plate composes in parallel.
Display module 9: adopt 1602 LCDs that only have parallel interface, this display screen belongs to the character LCD display.
Circuit board is comprised of DC power supplier 1,7805 Voltage stabilizing modules 2, temperature collect module 3, keyboard input module 4, buzzer warning module 5, fan heat radiation module 6, single-chip microcomputer main control module 7, semiconductor refrigerating module 8,1602 display modules 9 as shown in Figure 1; Described DC power supplier 1 directly supplies with the 12V direct current for fan heat radiation module 6 and semiconductor refrigerating module 8; DC power supplier 1 converts the 5V direct current to through 7805 Voltage stabilizing modules 2, directly gives temperature collect module 3, keyboard input module 4, buzzer warning module 5, single-chip microcomputer main control module 7, display module 9 power supplies; Circuit board is connected with the semiconductor refrigerating module with fan heat radiation module 6 and is connected with storage tank with screw respectively, information bidirectional transmission between temperature collect module 3, keyboard input module 4, buzzer warning module 5 and single-chip microcomputer main control module 7, single-chip microcomputer main control module on circuit board) be connected with the semiconductor refrigerating module with fan heat radiation module 6 by relay and be connected, the single-chip microcomputer main control module) output information passes to fan heat radiation module 6 and semiconductor refrigerating module 8, and by display module) show.
Wherein there is one deck heat-conducting silicone grease to connect between fan heat radiation module 6 and semiconductor refrigerating module 8; Described semiconductor refrigerating module 8 comprises two semiconductor chilling plates that contact with each other and be connected in parallel; The one side of semiconductor chilling plate is cold junction, and another side is the hot junction, otherwise one side is the hot junction, and another side is cold junction, and the size of heat absorption and release is the element logarithm decision by the size of electric current and semi-conducting material N, P.Can accelerate refrigerating speed, and improve radiating efficiency by the use of heat-conducting silicone grease.
The system ready state: the storage temperature of default setting refrigerator of the present invention is 15 degrees centigrade, the user can be according to the real needs free setting on this basis of oneself, but avoid waste for reaching best refrigeration and energy savings, suggestion is set in 10 degrees centigrade to 25 degrees centigrade scopes.
Working-flow is as shown in Figure 2: after powering on, system initialization, the storage temperature of refrigerator is set, temperature collect module 3 changes the reflection refrigerator temperature by built-in NTC thermistor 103 both end voltage and changes, convert voltage signal to digital quantity through the ADC0804 analog to digital conversion circuit of 8 again and transfer to the single-chip microcomputer processing that carries out curve fitting, and show real time temperature on 1602 LCDs 9.Single-chip microcomputer simultaneously by key press detecting circuit detect preferred temperature that whether user set and with refrigerator in actual temperature do contrast, if the user sets, 15 degrees centigrade are not compared as preferred temperature: if just equate continue to detect in refrigerator actual temperature and user and whether set preferred temperature; If do not wait open fan cooling and cooling piece refrigeration until it reaches by relay, then buzzer warning point out and is stopped heat radiation and freeze.Thereby the continuous circle collection temperature of system, detection button, heat radiation refrigeration, alarm stall reach the effect of car refrigerator.
The content that is not described in detail in this specification belongs to the known prior art of this area professional and technical personnel.
Claims (5)
1. the vehicle-mounted mini-bar of a based semiconductor cooling piece, comprise that storage tank, circuit board, fan heat radiation module (6) form with semiconductor refrigerating module (8) four parts; Wherein circuit board, fan heat radiation module (6) are arranged on the back side, the storage tank outside with semiconductor refrigerating module (8), and the adjusting button is set on the storage tank door-plate; It is characterized in that:
A) described circuit board is comprised of DC power supplier (1), Voltage stabilizing module (2), temperature collect module (3), keyboard input module (4), buzzer warning module (5), single-chip microcomputer main control module (7), display module (9);
DC power supplier (1) provides the 12V direct current;
7805 Voltage stabilizing modules (2) convert the 12V direct current to the 5V direct current;
Temperature collect module (3) is used for changing the reflection refrigerator temperatures by built-in NTC thermistor 103 both end voltage to be changed, then voltage signal is transferred to single-chip microcomputer (7) processing after the ADC0804 of eight converts digital quantity to;
Button acquisition module (4) is used for sending key information to single-chip microcomputer (7);
Buzzer module (5) is used for output alarm signal and cue;
Single-chip microcomputer main control module (7) is used for the control centre as whole control system, processes the information that each several part transmits;
Display module (9) is used for showing real time temperature and other information of output after single-chip microcomputer is processed;
B) described DC power supplier (1) is directly given fan heat radiation module (6) and semiconductor refrigerating module (8) 12V direct current; DC power supplier (1) converts the 5V direct current to through Voltage stabilizing module (2), directly gives temperature collect module (3), keyboard input module (4), buzzer warning module (5), single-chip microcomputer main control module (7), display module (9) power supply;
C) circuit board is connected 8 with fan heat radiation module (6) with the semiconductor refrigerating module) be connected with storage tank with screw respectively, temperature collect module (3), keyboard input module (4), information bidirectional transmission between buzzer warning module (5) and single-chip microcomputer main control module (7), single-chip microcomputer main control module (7) on circuit board is connected 8 with fan heat radiation module (6) with the semiconductor refrigerating module by relay) be connected, single-chip microcomputer main control module (7) output information passes to fan heat radiation module (6) and semiconductor refrigerating module (8), and shown by display module (9),
D) there is one deck heat-conducting silicone grease to connect between described fan heat radiation module (6) and semiconductor refrigerating module (8);
E) described semiconductor refrigerating module (8) comprises two semiconductor chilling plates that contact with each other and be connected in parallel.
2. the vehicle-mounted mini-bar of a kind of based semiconductor cooling piece according to claim 1, it is characterized in that: described each semiconductor chilling plate is comprised of semiconductor PN.
3. the vehicle-mounted mini-bar of a kind of based semiconductor cooling piece according to claim 1 is characterized in that: described display module (9) is a kind of in light-emitting diode display, character LCD display and graphical LCD display.
4. the vehicle-mounted mini-bar of a kind of based semiconductor cooling piece according to claim 1, it is characterized in that: the key number of described key-press module (4) is a key at least.
5. the vehicle-mounted mini-bar of a kind of based semiconductor cooling piece according to claim 1 and 2, it is characterized in that: the one side of described semiconductor chilling plate is cold junction, another side is the hot junction, otherwise, one side is the hot junction, another side is cold junction, and the size of heat absorption and release is the element logarithm decision by the size of electric current and semi-conducting material N, P.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101300935A CN103162487A (en) | 2013-04-15 | 2013-04-15 | Small vehicle-mounted refrigerator based on semiconductor chilling plates |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101300935A CN103162487A (en) | 2013-04-15 | 2013-04-15 | Small vehicle-mounted refrigerator based on semiconductor chilling plates |
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| CN103162487A true CN103162487A (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013101300935A Pending CN103162487A (en) | 2013-04-15 | 2013-04-15 | Small vehicle-mounted refrigerator based on semiconductor chilling plates |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335468A (en) * | 2013-07-05 | 2013-10-02 | 无锡商业职业技术学院 | Semiconductor-type vehicle-mounted refrigerator with adjustable and displayable temperature |
| CN114061258A (en) * | 2021-11-17 | 2022-02-18 | 浙江汉恒热电科技有限公司 | Touch-sensitive type digital display control and semiconductor electronic refrigerator with LIN communication |
| CN114234546A (en) * | 2021-12-15 | 2022-03-25 | 广东石油化工学院 | Temperature control system of phase-change cold-hot vehicle-mounted refrigerator and control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001174120A (en) * | 1999-12-14 | 2001-06-29 | Matsushita Refrig Co Ltd | Vehicle-mounted refrigerator |
| KR100623530B1 (en) * | 2005-09-02 | 2006-09-13 | 주식회사 대우일렉트로닉스 | Refrigerator for vehicle |
| CN201302345Y (en) * | 2008-09-27 | 2009-09-02 | 郇心清 | Vehicle-mounted refrigerator |
| CN202813871U (en) * | 2012-10-19 | 2013-03-20 | 哈尔滨理工大学 | Temperature-controllable vehicle-mounted cooling and heating box |
-
2013
- 2013-04-15 CN CN2013101300935A patent/CN103162487A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001174120A (en) * | 1999-12-14 | 2001-06-29 | Matsushita Refrig Co Ltd | Vehicle-mounted refrigerator |
| KR100623530B1 (en) * | 2005-09-02 | 2006-09-13 | 주식회사 대우일렉트로닉스 | Refrigerator for vehicle |
| CN201302345Y (en) * | 2008-09-27 | 2009-09-02 | 郇心清 | Vehicle-mounted refrigerator |
| CN202813871U (en) * | 2012-10-19 | 2013-03-20 | 哈尔滨理工大学 | Temperature-controllable vehicle-mounted cooling and heating box |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335468A (en) * | 2013-07-05 | 2013-10-02 | 无锡商业职业技术学院 | Semiconductor-type vehicle-mounted refrigerator with adjustable and displayable temperature |
| CN114061258A (en) * | 2021-11-17 | 2022-02-18 | 浙江汉恒热电科技有限公司 | Touch-sensitive type digital display control and semiconductor electronic refrigerator with LIN communication |
| CN114234546A (en) * | 2021-12-15 | 2022-03-25 | 广东石油化工学院 | Temperature control system of phase-change cold-hot vehicle-mounted refrigerator and control method thereof |
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Application publication date: 20130619 |