CN109318685A - A kind of mounted refrigerating generator set controller with GPS positioning and data storage function - Google Patents
A kind of mounted refrigerating generator set controller with GPS positioning and data storage function Download PDFInfo
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- CN109318685A CN109318685A CN201811247787.6A CN201811247787A CN109318685A CN 109318685 A CN109318685 A CN 109318685A CN 201811247787 A CN201811247787 A CN 201811247787A CN 109318685 A CN109318685 A CN 109318685A
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- 238000013500 data storage Methods 0.000 title claims abstract description 27
- 239000003990 capacitor Substances 0.000 claims description 81
- 239000013078 crystal Substances 0.000 claims description 21
- 238000001914 filtration Methods 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 abstract description 22
- 238000005057 refrigeration Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229960005486 vaccine Drugs 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3205—Control means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3232—Cooling devices using compression particularly adapted for load transporting vehicles
Abstract
The invention discloses a kind of mounted refrigerating generator set controller with GPS positioning and data storage function, the refrigeration generator set controller increases GPS positioning function chip and data storage control chip on the basis of tradition refrigerates generator set controller, operation information (the time of unit will be refrigerated, longitude and latitude, the temperature inside the box, unit temperature, system failure information, running velocity and vehicle traffic direction) data are stored with CSV format by data storage control chip, back up to mobile data memory unit, it can not be monitored so as to effectively solve cargo storage temperature, cargo transport route, time is indefinite and cargo exceeds the problem for requiring the storage temperature time not can be traced.
Description
Technical field
The invention belongs to on-board air conditioner technical field of electric control, and in particular to there is one kind GPS positioning and data to store
The mounted refrigerating generator set controller of function.
Background technique
For a long time, mounted refrigerating unit is as the special articles whole process cold chain such as quick-frozen food, drug and vaccine
Intermediate link, the controller used have the disadvantages that cargo storage temperature can not monitor, cargo transport route, the time not
Clear and cargo exceeds the problem for requiring the storage temperature time not can be traced, and is thus likely to cause freight because of storage
Temperature fails to reach normal temperature and causes the rotten of perishable commodities, to bring economic loss to client and user or to health
Harm to a certain extent is caused, the excessive special articles such as drug, vaccine that will cause of storage temperature fluctuation failure occur, have
Noxious material to the people's livelihood to have serious consequences safely.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of mounted refrigerating machine with GPS positioning and data storage function
Group controller.
The present invention adopts the following technical scheme that there is one kind GPS positioning and data to store function to solve above-mentioned technical problem
The mounted refrigerating generator set controller of energy, it is characterised in that including data storage function circuit and GPS positioning function circuit；
The control chip of data storage function uses CH376T in the data storage function circuit, and CH376T pin 2 is to reset
Pin is connected with the one end capacitor C12 and the one end resistance R18, and CH376T pin 3 is chip interface configuration pin and the one end resistance R21
It is connected, the serial data output pin and pin PD2 phase in MCU(AT90CAN128-16AU) that CH376T pin 4 is asynchronous serial port
Even, the serial date transfer pin and pin PD3 phase in MCU(AT90CAN128-16AU) that CH376T pin 5 is asynchronous serial port
Even, CH376T pin 7 is that CH376T chip is connected using 3.3V system voltage pin with the one end capacitor C13, and CH376T pin 8 is
The D+ data line of usb bus is connected with USB interface pin 2, and CH376T pin 9 is that the D- data line of usb bus draws with USB interface
Foot 3 be connected, CH376T pin 10 be GND pin be connected with controller GND, CH376T pin 11 for crystal oscillation input terminal and
Crystal oscillator Y1 pin 1 is connected, and CH376T pin 12 is that the reversed-phase output of crystal oscillation is connected with crystal oscillator Y1 pin 2, and CH376T draws
Foot 20 is that CH376T chip VCC pin is connected with triode pin 3, and the capacitor C12 other end is connected with VCC, the resistance R18 other end
It is connected with controller GND, the resistance R21 other end is connected with VCC, and the capacitor C13 other end is connected with controller GND, capacitor C19 mono-
End is connected with USB interface pin 1, and the capacitor C19 other end is connected with controller GND, the one end resistance R22 and 1 phase of USB interface pin
Even, the resistance R22 other end is connected with VCC, and USB interface pin 4 is connected with controller GND, the one end capacitor C15 and crystal oscillator Y1 pin
1 is connected, and the capacitor C15 other end is connected with controller GND, and the one end capacitor C16 is connected with crystal oscillator Y1 pin 2, the capacitor C16 other end
It is connected with controller GND, the one end capacitor C18 is connected with triode pin 3, and the capacitor C18 other end is connected with controller GND, and three
Pole pipe Q4 pin 1 is connected with the one end resistance R20, and triode Q4 pin 2 is connected with controller 5V, the one end capacitor C17 and triode
Pin 2 is connected, and the capacitor C17 other end is connected with controller GND, the one end resistance R19 and MCU(AT90CAN128-16AU) pin
PC7 is connected, and the resistance R19 other end is connected with the one end resistance R20, and the resistance R20 other end is connected with the one end capacitor C17；
Functional chip in the GPS positioning function circuit in GPS positioning function uses NEO-6Q, and wherein NEO-6Q pin 8 is
Retain pin to be connected with one end of resistance R1, NEO-6Q pin 9 is that F output voltage pin is connected with one end of resistance R1, NEO-
6Q pin 10 is that GND pin is connected with controller GND, NEO-6Q pin 11 for GPS signal input pin and the one end inductance L1 and
Antenna is connected, and NEO-6Q pin 12 is that GND pin is connected with controller GND, and NEO-6Q pin 13 is GND pin and controller
GND is connected, and NEO-6Q pin 20 is that the serial data output pin of asynchronous serial port is connected with pin PE0 in MCU, NEO-6Q pin
21 are connected for the serial date transfer pin of asynchronous serial port with pin PE1 in MCU, NEO-6Q pin 23 for chip VCC pin and
Controller DC3.3V, the one end capacitor C1 are connected, and NEO-6Q pin 24 is that GND pin is connected with controller GND, the capacitor C1 other end
It is connected with controller GND, the resistance R1 other end is connected with the inductance L1 other end.
Preferably, the capacitor C12 and resistance R18 constitutes the electrification reset circuit of CH376T, for preventing it from being
It cannot normally be resetted when system power down, cause system work abnormal.
Preferably, the capacitor C13 is decoupling capacitance when CH376T uses 5V system, for preventing front and back circuital current
When size variation, the current russ formed in power supply circuit has an impact the normal work of circuit.
Preferably, the capacitor C18 is the main power source decoupling capacitance of CH376T.
Preferably, the clock circuit of the crystal oscillator Y1, capacitor C15 and capacitor C16 composition CH376T, for being mentioned for its system
For work clock.
Preferably, the triode Q4, resistance R19, resistance R20 and capacitor C17 constitute CH376T and USB interface for automatically controlled
System, triode Q4 are PNP type triode for controlling CH376T and USB flash disk power supply, the base stage current limliting electricity that resistance R19 is triode Q4
Resistance, resistance R20 is triode Q4 base level when triode Q4 base pull-up resistor is powered on for systems stabilisation, for preventing
There is moment I/O mouthful level of the triode Q4 when MCU is powered on not knowing and bring risk, capacitor C17 is filtering decoupling electricity
Hold, for stablizing input CH376 and USB flash disk VCC voltage.
Preferably, the resistance R22 is the current-limiting resistance of USB flash disk, for preventing USB flash disk from damaging.
Preferably, the capacitor C19 is the decoupling capacitance of USB flash disk, for stablizing the use voltage of USB flash disk.
Preferably, the resistance R21 is that CH376T chip slapper selects interface, for selecting CH376T to work in that communication mould
Under formula.
Preferably, the capacitor C1 is filter capacitor, and for filtering power supply noise, resistance R1 is current-limiting resistance, inductance L1
For improving GPS chip signal strength.
Refrigeration generator set controller of the present invention increases GPS positioning function on the basis of tradition refrigerates generator set controller
Chip and data storage control chip, by the operation information for refrigerating unit, (time longitude and latitude, the temperature inside the box, unit temperature, is
System fault message, running velocity and vehicle traffic direction) data are deposited with CSV format by data storage control chip
Store up, back up to mobile data memory unit, can not be monitored so as to effectively solve cargo storage temperature, cargo transport route,
Time is indefinite and cargo exceeds the problem for requiring the storage temperature time not can be traced.
Detailed description of the invention
Fig. 1 is the circuit connection diagram of data storage function circuit in the present invention；
Fig. 2 is the circuit connection diagram of GPS positioning function circuit in the present invention.
Specific embodiment
In conjunction with attached drawing, the technical schemes of the invention are described in detail, and as shown in Figs. 1-2, there is one kind GPS positioning and data to deposit
Store up the mounted refrigerating generator set controller of function, including data storage function circuit and GPS positioning function circuit；
The control chip of data storage function uses CH376T in the data storage function circuit, and CH376T pin 2 is to reset
Pin is connected with the one end capacitor C12 and the one end resistance R18, and CH376T pin 3 is chip interface configuration pin and the one end resistance R21
It is connected, the serial data output pin and pin PD2 phase in MCU(AT90CAN128-16AU) that CH376T pin 4 is asynchronous serial port
Even, the serial date transfer pin and pin PD3 phase in MCU(AT90CAN128-16AU) that CH376T pin 5 is asynchronous serial port
Even, CH376T pin 7 is that CH376T chip is connected using 3.3V system voltage pin with the one end capacitor C13, and CH376T pin 8 is
The D+ data line of usb bus is connected with USB interface pin 2, and CH376T pin 9 is that the D- data line of usb bus draws with USB interface
Foot 3 be connected, CH376T pin 10 be GND pin be connected with controller GND, CH376T pin 11 for crystal oscillation input terminal and
Crystal oscillator Y1 pin 1 is connected, and CH376T pin 12 is that the reversed-phase output of crystal oscillation is connected with crystal oscillator Y1 pin 2, and CH376T draws
Foot 20 is that CH376T chip VCC pin is connected with triode pin 3, and the capacitor C12 other end is connected with VCC, the resistance R18 other end
It is connected with controller GND, the resistance R21 other end is connected with VCC, and the capacitor C13 other end is connected with controller GND, capacitor C19 mono-
End is connected with USB interface pin 1, and the capacitor C19 other end is connected with controller GND, the one end resistance R22 and 1 phase of USB interface pin
Even, the resistance R22 other end is connected with VCC, and USB interface pin 4 is connected with controller GND, the one end capacitor C15 and crystal oscillator Y1 pin
1 is connected, and the capacitor C15 other end is connected with controller GND, and the one end capacitor C16 is connected with crystal oscillator Y1 pin 2, the capacitor C16 other end
It is connected with controller GND, the one end capacitor C18 is connected with triode pin 3, and the capacitor C18 other end is connected with controller GND, and three
Pole pipe Q4 pin 1 is connected with the one end resistance R20, and triode Q4 pin 2 is connected with controller 5V, the one end capacitor C17 and triode
Pin 2 is connected, and the capacitor C17 other end is connected with controller GND, the one end resistance R19 and MCU(AT90CAN128-16AU) pin
PC7 is connected, and the resistance R19 other end is connected with the one end resistance R20, and the resistance R20 other end is connected with the one end capacitor C17；
Wherein the capacitor C12 and resistance R18 constitute the electrification reset circuit of CH376T, when occurring that system is powered down for preventing it
It cannot normally reset, cause system work abnormal；The capacitor C13 is decoupling capacitance when CH376T uses 5V system,
When for preventing front and back circuital current size variation, the current russ formed in power supply circuit produces the normal work of circuit
It is raw to influence；The capacitor C18 is the main power source decoupling capacitance of CH376T；The crystal oscillator Y1, capacitor C15 and capacitor C16 composition
The clock circuit of CH376T, for providing work clock for its system；The triode Q4, resistance R19, resistance R20 and capacitor
C17 constitutes CH376T and USB interface power supply control, since CH376T chip is when USB flash disk carries out hot plug, it may appear that CH376T system
USB flash disk of uniting initializes mistake, by USART communicate in reset command and resetted using the RSTI reset pin of CH376T,
The problem of not can solve USB flash disk initialization cannot normally read and write USB flash disk, therefore Q4 PNP triode can only be used to CH376T
It is controlled with the end VCC of USB, to realize when hot plug USB flash disk bring can not initialize the problem of, triode Q4 is positive-negative-positive
Triode is the base stage current-limiting resistance of triode Q4 for controlling CH376T and USB flash disk power supply, resistance R19, and resistance R20 is triode
Triode Q4 base level when Q4 base pull-up resistor is powered on for systems stabilisation, for preventing triode Q4 in MCU
Moment I/O mouthful level when powering on is uncertain and bring risk, capacitor C17 are filtering decoupling capacitance, for stablizing input
CH376 and USB flash disk VCC voltage；The resistance R22 is the current-limiting resistance of USB flash disk, for preventing USB flash disk from damaging；The capacitor C19 is USB flash disk
Decoupling capacitance, for stablize USB flash disk use voltage；The resistance R21 is that CH376T chip slapper selects interface, for selecting
CH376T is worked under that communication mode；
Functional chip in the GPS positioning function circuit in GPS positioning function uses NEO-6Q, and NEO-6Q pin 8 is to retain
Pin is connected with one end of resistance R1, and NEO-6Q pin 9 is that F output voltage pin is connected with one end of resistance R1, and NEO-6Q draws
Foot 10 is that GND pin is connected with controller GND, and NEO-6Q pin 11 is GPS signal input pin and the one end inductance L1 and antenna
It is connected, NEO-6Q pin 12 is that GND pin is connected with controller GND, and NEO-6Q pin 13 is GND pin and controller GND phase
Even, the serial data output pin and pin PE0 phase in MCU(AT90CAN128-16AU) that NEO-6Q pin 20 is asynchronous serial port
Even, the serial date transfer pin and pin PE1 phase in MCU(AT90CAN128-16AU) that NEO-6Q pin 21 is asynchronous serial port
Even, NEO-6Q pin 23 is that chip VCC pin is connected with controller DC3.3V, the one end capacitor C1, and NEO-6Q pin 24 draws for GND
Foot is connected with controller GND, and the capacitor C1 other end is connected with controller GND, and the resistance R1 other end is connected with the inductance L1 other end；
Wherein the capacitor C1 is filter capacitor, and for filtering power supply noise, resistance R1 is current-limiting resistance, and inductance L1 is for improving
GPS chip signal strength.
Basic principle of the invention, main feature and advantage has been shown and described above, do not depart from spirit of that invention and
Under the premise of range, there are also various changes and modifications, these changes and improvements to both fall within claimed invention by the present invention
Range.
Claims (10)
1. a kind of mounted refrigerating generator set controller with GPS positioning and data storage function, it is characterised in that deposited including data
Store up functional circuit and GPS positioning function circuit；
The control chip of data storage function uses CH376T in the data storage function circuit, and wherein CH376T pin 2 is
Reset pin is connected with the one end capacitor C12 and the one end resistance R18, and CH376T pin 3 is chip interface configuration pin and resistance R21
One end is connected, and CH376T pin 4 is that the serial data output pin of asynchronous serial port is connected with pin PD2 in MCU, CH376T pin
5 are connected for the serial date transfer pin of asynchronous serial port with pin PD3 in MCU, and CH376T pin 7 is the use of CH376T chip
3.3V system voltage pin is connected with the one end capacitor C13, and CH376T pin 8 is the D+ data line and USB interface pin of usb bus
2 are connected, and CH376T pin 9 is that the D- data line of usb bus is connected with USB interface pin 3, and CH376T pin 10 is GND pin
It is connected with controller GND, CH376T pin 11 is that the input terminal of crystal oscillation is connected with crystal oscillator Y1 pin 1, CH376T pin 12
It is connected for the reversed-phase output of crystal oscillation with crystal oscillator Y1 pin 2, CH376T pin 20 is CH376T chip VCC pin and three poles
Pipe pin 3 is connected, and the capacitor C12 other end is connected with VCC, and the resistance R18 other end is connected with controller GND, the resistance R21 other end
It is connected with VCC, the capacitor C13 other end is connected with controller GND, and the one end capacitor C19 is connected with USB interface pin 1, capacitor C19
The other end is connected with controller GND, and the one end resistance R22 is connected with USB interface pin 1, and the resistance R22 other end is connected with VCC,
USB interface pin 4 is connected with controller GND, and the one end capacitor C15 is connected with crystal oscillator Y1 pin 1, the capacitor C15 other end and control
Device GND is connected, and the one end capacitor C16 is connected with crystal oscillator Y1 pin 2, and the capacitor C16 other end is connected with controller GND, capacitor C18 mono-
End is connected with triode pin 3, and the capacitor C18 other end is connected with controller GND, the one end triode Q4 pin 1 and resistance R20 phase
Even, triode Q4 pin 2 is connected with controller 5V, and the one end capacitor C17 is connected with triode pin 2, the capacitor C17 other end and control
Device GND processed is connected, and the one end resistance R19 is connected with MCU pin PC7, and the resistance R19 other end is connected with the one end resistance R20, resistance
The R20 other end is connected with the one end capacitor C17；
Functional chip in the GPS positioning function circuit in GPS positioning function uses NEO-6Q, and wherein NEO-6Q pin 8 is
Retain pin to be connected with one end of resistance R1, NEO-6Q pin 9 is that F output voltage pin is connected with one end of resistance R1, NEO-
6Q pin 10 is that GND pin is connected with controller GND, NEO-6Q pin 11 for GPS signal input pin and the one end inductance L1 and
Antenna is connected, and NEO-6Q pin 12 is that GND pin is connected with controller GND, and NEO-6Q pin 13 is GND pin and controller
GND is connected, and NEO-6Q pin 20 is that the serial data output pin of asynchronous serial port is connected with pin PE0 in MCU, NEO-6Q pin
21 are connected for the serial date transfer pin of asynchronous serial port with pin PE1 in MCU, NEO-6Q pin 23 for chip VCC pin and
Controller DC3.3V, the one end capacitor C1 are connected, and NEO-6Q pin 24 is that GND pin is connected with controller GND, the capacitor C1 other end
It is connected with controller GND, the resistance R1 other end is connected with the inductance L1 other end.
2. the mounted refrigerating generator set controller according to claim 1 with GPS positioning and data storage function, feature
Be: the capacitor C12 and resistance R18 constitute the electrification reset circuit of CH376T, when occurring that system is powered down for preventing it not
It can normally reset, cause system work abnormal.
3. the mounted refrigerating generator set controller according to claim 1 with GPS positioning and data storage function, feature
Be: the capacitor C13 is decoupling capacitance when CH376T uses 5V system, for preventing front and back circuital current size variation
When, the current russ formed in power supply circuit has an impact the normal work of circuit.
4. the mounted refrigerating generator set controller according to claim 1 with GPS positioning and data storage function, feature
Be: the capacitor C18 is the main power source decoupling capacitance of CH376T.
5. the mounted refrigerating generator set controller according to claim 1 with GPS positioning and data storage function, feature
It is: the clock circuit of the crystal oscillator Y1, capacitor C15 and capacitor C16 composition CH376T, when for providing work for its system
Clock.
6. the mounted refrigerating generator set controller according to claim 1 with GPS positioning and data storage function, feature
Be: the triode Q4, resistance R19, resistance R20 and capacitor C17 constitute CH376T and USB interface power supply control, triode
Q4 is PNP type triode for controlling CH376T and USB flash disk power supply, base stage current-limiting resistance of the resistance R19 for triode Q4, resistance
R20 is triode Q4 base level when triode Q4 base pull-up resistor is powered on for systems stabilisation, for preventing three
Moment I/O mouthful level of the pole pipe Q4 when MCU is powered on is uncertain and bring risk, capacitor C17 are filtering decoupling capacitance, is used for
Stablize input CH376 and USB flash disk VCC voltage.
7. the mounted refrigerating generator set controller according to claim 1 with GPS positioning and data storage function, feature
Be: the resistance R22 is the current-limiting resistance of USB flash disk, for preventing USB flash disk from damaging.
8. the mounted refrigerating generator set controller according to claim 1 with GPS positioning and data storage function, feature
Be: the capacitor C19 is the decoupling capacitance of USB flash disk, for stablizing the use voltage of USB flash disk.
9. the mounted refrigerating generator set controller according to claim 1 with GPS positioning and data storage function, feature
Be: the resistance R21 is that CH376T chip slapper selects interface, for selecting CH376T to work under that communication mode.
10. the mounted refrigerating generator set controller according to claim 1 with GPS positioning and data storage function, special
Sign is: the capacitor C1 is filter capacitor, and for filtering power supply noise, resistance R1 is current-limiting resistance, and inductance L1 is for improving
GPS chip signal strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811247787.6A CN109318685B (en) | 2018-10-25 | 2018-10-25 | Vehicle-mounted refrigerating unit controller with GPS positioning and data storage functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811247787.6A CN109318685B (en) | 2018-10-25 | 2018-10-25 | Vehicle-mounted refrigerating unit controller with GPS positioning and data storage functions |
Publications (2)
| Publication Number | Publication Date |
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| CN109318685A true CN109318685A (en) | 2019-02-12 |
| CN109318685B CN109318685B (en) | 2024-01-02 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5564285A (en) * | 1994-09-22 | 1996-10-15 | Thermo King Corporation | Method of converting a time based data logger to a time and random event based data logger |
| CN1488061A (en) * | 2000-06-28 | 2004-04-07 | ��֥��ʽ���� | Vehicle refrigerating device mounted on vehicle using engine as power source |
| CN103616826A (en) * | 2013-10-16 | 2014-03-05 | 杭州电子科技大学 | Acquisition control circuit of deep-sea in situ observation station |
| CN207037395U (en) * | 2017-07-01 | 2018-02-23 | 深圳市智多兴投控科技有限公司 | A kind of vehicle-mounted drunk driving alarm with GPS location function |
| CN208993459U (en) * | 2018-10-25 | 2019-06-18 | 豫新汽车热管理科技有限公司 | A kind of mounted refrigerating generator set controller with GPS positioning and data storage function |
-
2018
- 2018-10-25 CN CN201811247787.6A patent/CN109318685B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5564285A (en) * | 1994-09-22 | 1996-10-15 | Thermo King Corporation | Method of converting a time based data logger to a time and random event based data logger |
| CN1488061A (en) * | 2000-06-28 | 2004-04-07 | ��֥��ʽ���� | Vehicle refrigerating device mounted on vehicle using engine as power source |
| CN103616826A (en) * | 2013-10-16 | 2014-03-05 | 杭州电子科技大学 | Acquisition control circuit of deep-sea in situ observation station |
| CN207037395U (en) * | 2017-07-01 | 2018-02-23 | 深圳市智多兴投控科技有限公司 | A kind of vehicle-mounted drunk driving alarm with GPS location function |
| CN208993459U (en) * | 2018-10-25 | 2019-06-18 | 豫新汽车热管理科技有限公司 | A kind of mounted refrigerating generator set controller with GPS positioning and data storage function |
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| Publication number | Publication date |
|---|---|
| CN109318685B (en) | 2024-01-02 |
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