CN207123767U - A kind of direct current supply Cold Chain Logistics cabinet intelligence control system - Google Patents
A kind of direct current supply Cold Chain Logistics cabinet intelligence control system Download PDFInfo
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- CN207123767U CN207123767U CN201720888893.7U CN201720888893U CN207123767U CN 207123767 U CN207123767 U CN 207123767U CN 201720888893 U CN201720888893 U CN 201720888893U CN 207123767 U CN207123767 U CN 207123767U
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- direct current
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- cold chain
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Abstract
The utility model provides a kind of direct current supply Cold Chain Logistics cabinet intelligence control system, including lithium battery group, DC power-supply system, RTU control systems, direct current compressor and oxygenerator.Described lithium battery group by DC power-supply system connect direct current compressor, oxygenerator and with RTU control systems.The direct current supply mode of direct current compressor is equipped with using direct current lithium battery group, add the ac power supply method of the supporting AC compressor of inverter than the power supply mode of vehicle-based generator set and using automobile storage battery, circuit structure is more succinct, without supporting powerful inverter, a supporting low power inverter only in the oxygenerator circuit set up.Equipment state is detected and controlled using RTU controllers and multiple detection sensors, and can be sent the information of detection to cell-phone customer terminal by GPRS modes.
Description
Technical field
Cold Chain Logistics cabinet technical field is the utility model is related to, more particularly to a kind of direct current supply Cold Chain Logistics cabinet is intelligently controlled
System processed.
Background technology
Cold Chain Logistics be refer to refrigerating based food production, storage transport, sale, to consumption before links in
All the time under defined low temperature environment, to ensure food quality, a systematic engineering of business of food loss is reduced.With cold chain thing
That flows is growing, occurs being used for vehicle-mounted refrigerating box cabinet-type equipment, and this kind of refrigerating equipment does not have to special refrigerator car, mobile
Property is strong, can be placed on any lorry.
Notification number is that the U of CN 203889315 Chinese patent discloses a kind of mounted refrigerating case for Cold Chain Logistics, is adopted
Powered with vehicle power by inverter to refrigeration machine, this power supply mode is complicated, it is necessary to the inverter of relatively high power.
In addition, the intelligence degree of the mounted refrigerating cabinet of existing Cold Chain Logistics also needs to further improve.
The content of the invention
In order to solve problem described in background technology, the utility model provides a kind of direct current supply Cold Chain Logistics cabinet and intelligently controlled
System processed, the direct current supply mode of direct current compressor is equipped with using direct current lithium battery group, than the power supply mode of vehicle-based generator set
And adding the ac power supply method of the supporting AC compressor of inverter using automobile storage battery, circuit structure is more succinct, without
Supporting powerful inverter, a supporting low power inverter only in the oxygenerator circuit set up.Controlled using RTU
Device processed and multiple detection sensors are detected and controlled to equipment state, and can be sent the information of detection by GPRS modes
To cell-phone customer terminal.
In order to achieve the above object, the utility model is realized using following technical scheme：
A kind of direct current supply Cold Chain Logistics cabinet intelligence control system, including lithium battery group, DC power-supply system, RTU control
System, direct current compressor and oxygenerator.
Described lithium battery group by DC power-supply system connect direct current compressor, oxygenerator and with RTU control systems.
Described RTU control systems include RTU controllers, GPRS DTU modules, temperature sensor, obliquity sensor, more
Individual relay, touch-screen and alarm；Described RTU controllers are connected by RS232 serial communications with GPRS DTU modules,
Be connected by RS485 serial communications with touch-screen, be connected by AI ports with obliquity sensor, by AI or TI ports with
Temperature sensor is connected, and is connected by DO ports with alarm, also connects multiple relay coils by DO ports.
Described RTU controllers detect temperature of refrigerating chamber by temperature sensor, control the start-stop time of direct current compressor,
Level inclination in the transport of logistics cabinet is detected by obliquity sensor, alarm signal is sent by alarm during tilt state.
Described DC power-supply system include direct current supply interface, 220V/24V transformers, current rectifying and wave filtering circuit, voltage stabilizing and
Protection circuit, multiple dc circuit breakers and inverter circuit, described lithium battery group are broken by direct current supply interface and multiple direct currents
Road device is connected.
In described multiple dc circuit breakers, one of dc circuit breaker is compressed by the contact portion direct current of relay
Machine, another dc circuit breaker connection inverter circuit, inverter circuit pass through the contact portion oxygenerator of another relay, RTU
Controller is by the adhesive of control relay coil so as to controlling the start and stop of direct current compressor and oxygenerator.
Described direct current supply interface is also connected with automobile cigarette lighter socket, is powered by vehicle power.
Described direct current supply interface is also inserted by current rectifying and wave filtering circuit and 220V/24V transformers with alternating current 220V power supply
Mouth is connected, and can be powered by the alternating current 220V power supply of outside.
Described direct current supply interface also connects RTU control systems by voltage stabilizing and protection circuit, is carried for RTU control systems
For 24V dc sources.
The preferred NARTU CPU401 types RTU of described RTU controllers.
The preferred PT100 types RTD of described temperature sensor, environment temperature in detecting box, PT100 can be with
Directly it is connected with the TI mouths of RTU controllers, can also be connected by temperature transmitter with the AI mouths of RTU controllers.
SIM card built in described GPRS DTU modules, GPRS DTU modules connect wireless base station by wireless network, passed through
Wireless base station sends the sensor information of inside to cell-phone customer terminal.
Compared with prior art, the beneficial effects of the utility model are：
1st, a kind of direct current supply Cold Chain Logistics cabinet intelligence control system of the present utility model, is equipped with using direct current lithium battery group
The direct current supply mode of direct current compressor, inverter is added to match somebody with somebody than the power supply mode of vehicle-based generator set and using automobile storage battery
Cover the ac power supply method of AC compressor, circuit structure is more succinct, without supporting powerful inverter, is only setting up
A supporting low power inverter in oxygenerator circuit.
2nd, a kind of direct current supply Cold Chain Logistics cabinet intelligence control system of the present utility model, using RTU controllers and temperature
Sensor is detected to the refrigerated storage temperature in cabinet, and the run time of compressor can be controlled by refrigerated storage temperature, can also be right
Temperature information is shown and sent.
3rd, a kind of direct current supply Cold Chain Logistics cabinet intelligence control system of the present utility model, using obliquity sensor to cabinet
Level inclination detected, when toppling over phenomenon in transportation, can be alarmed.
4th, a kind of direct current supply Cold Chain Logistics cabinet intelligence control system of the present utility model, is matched somebody with somebody using existing RTU controllers
GPRS DTU modules are covered, development cost is saved than single-chip microcomputer control mode, are more convenient during failure maintenance, it is practical.
5th, a kind of direct current supply Cold Chain Logistics cabinet intelligence control system of the present utility model, is additionally arranged oxygenerator, and by RTU
Its start and stop of controller, ensure that the fruits and vegetables in refrigerator are fresh.
6th, a kind of direct current supply Cold Chain Logistics cabinet intelligence control system of the present utility model, passes through the nothing of GPRS DTU modules
Line number communicates according to transparent transmission mode and platform of internet of things, and user can conveniently check the detection data of refrigerator on mobile phone.
Brief description of the drawings
Fig. 1 is a kind of direct current supply Cold Chain Logistics cabinet Structure of intelligent control system schematic diagram of the present utility model；
Fig. 2 is DC power-supply system structural representation of the present utility model；
Fig. 3 is RTU control system circuits structural representation of the present utility model；
Fig. 4 is GPRS DTU wireless communication arrangement figures of the present utility model；
Fig. 5 is RTU controllers Section Selection Chart of the present utility model.
Wherein：1- cabinet 2-RTU control system 3- DC power-supply system 4- direct current compressor 5- oxygenerator 6- lithiums electricity
Pond group 7- automobile cigarette lighter socket 8- alternating current 220V outlet 9- touch-screens.
Embodiment
Embodiment provided by the utility model is described in detail below in conjunction with accompanying drawing.
As shown in figure 1, a kind of direct current supply Cold Chain Logistics cabinet intelligence control system, the cabinet 1 of Cold Chain Logistics cabinet is arranged on
In one jiao, carry out insulation with reefer space and isolate, including lithium battery group 6, DC power-supply system 3, RTU control systems 2, direct current pressure
Contracting machine 4 and oxygenerator 5.
As shown in Fig. 2 described lithium battery group 6 by DC power-supply system 3 connect direct current compressor 4, oxygenerator 5 and and
RTU control systems 2.
As shown in figure 3, described RTU control systems 2 include RTU controllers, GPRS DTU modules, temperature sensor, inclined
Angle transducer, multiple relays, touch-screen 9 and alarm.
Described RTU controllers are connected by RS232 serial communications with GPRS DTU modules, are led to by RS485 serial ports
News are connected with touch-screen 9, are connected by AI ports with obliquity sensor, are connected by AI or TI ports with temperature sensor
Connect, be connected by DO ports with alarm, multiple relay coils are also connected by DO ports.
Described RTU controllers detect temperature of refrigerating chamber by temperature sensor, when controlling the start and stop of direct current compressor 4
Between, the level inclination in the transport of logistics cabinet is detected by obliquity sensor, alarm signal is sent by alarm during tilt state.
As shown in Fig. 2 described DC power-supply system 3 includes direct current supply interface, 220V/24V transformers, rectifying and wave-filtering
Circuit, voltage stabilizing and protection circuit, multiple dc circuit breakers and inverter circuit, described lithium battery group by direct current supply interface with
Multiple dc circuit breakers are connected.
In described multiple dc circuit breakers, one of dc circuit breaker is compressed by the contact portion direct current of relay
Machine, another dc circuit breaker connection inverter circuit, inverter circuit pass through the contact portion oxygenerator of another relay, RTU
Controller is by the adhesive of control relay coil so as to controlling the start and stop of direct current compressor 4 and oxygenerator 5.
Described direct current supply interface is also connected with automobile cigarette lighter socket 7, is powered by vehicle power.
Described direct current supply interface is also inserted by current rectifying and wave filtering circuit and 220V/24V transformers with alternating current 220V power supply
Mouth 8 is connected, and can be powered by the alternating current 220V power supply of outside.
Described direct current supply interface also connects RTU control systems by voltage stabilizing and protection circuit, is carried for RTU control systems
For 24V dc sources.
The preferred PT100 types RTD of described temperature sensor, environment temperature in detecting box, PT100 can be with
Directly it is connected with the TI mouths of RTU controllers, can also be connected by temperature transmitter with the AI mouths of RTU controllers.
As shown in figure 4, SIM card built in described GPRS DTU modules, GPRS DTU modules connect nothing by wireless network
Line base station, the sensor information of inside is sent to cell-phone customer terminal by wireless base station.
The described preferred TOPRIE of GPRS DTU modules GPRS DTU modules, it supports RS232 data penetration transmission, embeds
ICP/IP protocol stack, TCP, MQTT agreement are supported, realizes the transparent transmission between equipment and server.
As shown in figure 5, the preferred NARTU CPU401 type RTU of described RTU controllers, it is except possessing a variety of communications and IO
Outside port, NARTU CPU401 types RTU also supports the programming mode of PLC modes, supports direct hardware configuration and ladder diagram to compile
Journey mode.
There are NARTU CPU401 types RTU Ethernet interface, RS232 interface, RS485 interfaces, ZigBee wireless telecommunications to connect
Mouth, digital-quantity input interface DI, digital-quantity output interface DO, analog input interface AI etc., also with PT100 temperature interfaces
TI, real-time monitoring of environmental temperature.
The preferred PT100 types RTD of described temperature sensor, environment temperature in detecting box, PT100 can be with
Directly it is connected with the TI mouths of RTU controllers, can also be connected by temperature transmitter with the AI mouths of RTU controllers.
The refreshed 7 cun of screens of TPC7062K series in described 9 preferred the Kunlun of touch-screen.
Described obliquity sensor can select any a level inclination sensor.
Described RTU controllers gather the environment temperature in refrigerator by temperature sensor, and temperature value is passed through into touch-screen 9
It has been shown that, can also be sent to cell-phone customer terminal and be inquired about by GPRS, meanwhile, RTU controllers can also pass through DO ends
Mouth connection relay, by the start-stop time of Control direct current compressor, so as to control the temperature in refrigerator.
Described RTU controllers gather the level inclination of refrigerator by obliquity sensor, when the water of refrigerator in transportation
When flat inclination angle exceedes setting range, send signal to alarm by RTU controllers and alarmed.
Described oxygenerator 5 is ac power supply method, and the direct current supply interface of the system needs to carry out by inverter circuit
It is powered, oxygenerator tube outlet is connected in the freezing region of cabinet 1, and fresh-keeping, oxygen processed is carried out to the fresh fruit of in-car
The start and stop of machine are controlled by RTU controllers, and user can carry out the setting of time interval in touch-screen 9.
Constant to make cabinet internal pressure try hard to keep to hold, cabinet 1 is additionally provided with pressure-reducing valve and carries out Isobarically Control.
This direct current supply Cold Chain Logistics cabinet intelligence control system is also separately furnished with GPS locator, and GPS locator selection direct current is wide
The product of power voltage supply mode, its power supply side can be directly connected on the DC24V power supplys of lithium battery group.
Above example is implemented under premised on technical solutions of the utility model, gives detailed embodiment
With specific operating process, but the scope of protection of the utility model is not limited to the above embodiments.Side used in above-described embodiment
Method is conventional method unless otherwise instructed.
Claims (9)
1. a kind of direct current supply Cold Chain Logistics cabinet intelligence control system, it is characterised in that including lithium battery group, direct current supply system
System, RTU control systems, direct current compressor and oxygenerator；
Described lithium battery group connects direct current compressor, oxygenerator and RTU control systems by DC power-supply system；
Described RTU control systems include RTU controllers, GPRS DTU modules, temperature sensor, obliquity sensor, Duo Geji
Electrical equipment, touch-screen and alarm；Described RTU controllers are connected by RS232 serial communications with GPRS DTU modules, are passed through
RS485 serial communications are connected with touch-screen, are connected by AI ports with obliquity sensor, pass through AI or TI ports and temperature
Sensor is connected, and is connected by DO ports with alarm, also connects multiple relay coils by DO ports；
Described RTU controllers detect temperature of refrigerating chamber by temperature sensor, control the start-stop time of direct current compressor, pass through
Level inclination in obliquity sensor detection logistics cabinet transport, alarm signal is sent by alarm during tilt state.
2. a kind of direct current supply Cold Chain Logistics cabinet intelligence control system according to claim 1, it is characterised in that described
DC power-supply system includes direct current supply interface, 220V/24V transformers, current rectifying and wave filtering circuit, voltage stabilizing and protection circuit, multiple
Dc circuit breaker and inverter circuit, described lithium battery group are connected by direct current supply interface with multiple dc circuit breakers.
3. a kind of direct current supply Cold Chain Logistics cabinet intelligence control system according to claim 2, it is characterised in that described
In multiple dc circuit breakers, one of dc circuit breaker passes through the contact portion direct current compressor of relay, another direct current
Breaker connects inverter circuit, and inverter circuit passes through control by the contact portion oxygenerator of another relay, RTU controllers
The adhesive of relay coil is so as to controlling the start and stop of direct current compressor and oxygenerator.
4. a kind of direct current supply Cold Chain Logistics cabinet intelligence control system according to claim 2, it is characterised in that described
Direct current supply interface is also connected with automobile cigarette lighter socket, is powered by vehicle power.
5. a kind of direct current supply Cold Chain Logistics cabinet intelligence control system according to claim 2, it is characterised in that described
Direct current supply interface is also connected by current rectifying and wave filtering circuit and 220V/24V transformers with alternating current 220V outlet, Ke Yiyou
Outside alternating current 220V power supply power supply.
6. a kind of direct current supply Cold Chain Logistics cabinet intelligence control system according to claim 2, it is characterised in that described
Direct current supply interface also connects RTU control systems by voltage stabilizing and protection circuit, and 24V dc sources are provided for RTU control systems.
7. a kind of direct current supply Cold Chain Logistics cabinet intelligence control system according to claim 1, it is characterised in that described
RTU controllers be NARTU CPU401 types RTU.
8. a kind of direct current supply Cold Chain Logistics cabinet intelligence control system according to claim 1, it is characterised in that described
Temperature sensor is PT100 type RTDs, environment temperature in detecting box, PT100 can directly with RTU controllers
TI mouths are connected, and can also be connected by temperature transmitter with the AI mouths of RTU controllers.
9. a kind of direct current supply Cold Chain Logistics cabinet intelligence control system according to claim 1, it is characterised in that described
SIM card built in GPRS DTU modules, GPRS DTU modules connect wireless base station by wireless network, by wireless base station by inside
Sensor information send to cell-phone customer terminal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720888893.7U CN207123767U (en) | 2017-07-20 | 2017-07-20 | A kind of direct current supply Cold Chain Logistics cabinet intelligence control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720888893.7U CN207123767U (en) | 2017-07-20 | 2017-07-20 | A kind of direct current supply Cold Chain Logistics cabinet intelligence control system |
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| CN207123767U true CN207123767U (en) | 2018-03-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357809A (en) * | 2018-11-09 | 2019-02-19 | 中冶焦耐自动化有限公司 | A kind of coke oven bridge tube raw coke oven gas pressure-measuring system and method |
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2017
- 2017-07-20 CN CN201720888893.7U patent/CN207123767U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357809A (en) * | 2018-11-09 | 2019-02-19 | 中冶焦耐自动化有限公司 | A kind of coke oven bridge tube raw coke oven gas pressure-measuring system and method |
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