CN211349058U - Environmental data monitoring circuit and circuit board applied to logistics vehicle - Google Patents
Environmental data monitoring circuit and circuit board applied to logistics vehicle Download PDFInfo
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- CN211349058U CN211349058U CN201922500710.1U CN201922500710U CN211349058U CN 211349058 U CN211349058 U CN 211349058U CN 201922500710 U CN201922500710 U CN 201922500710U CN 211349058 U CN211349058 U CN 211349058U
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- 230000007613 environmental effect Effects 0.000 title claims abstract description 44
- 238000012544 monitoring process Methods 0.000 title claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 33
- 238000013480 data collection Methods 0.000 claims abstract description 10
- 239000003990 capacitor Substances 0.000 claims description 46
- 239000013078 crystal Substances 0.000 claims description 19
- 230000001629 suppression Effects 0.000 claims description 9
- 230000001052 transient effect Effects 0.000 claims description 9
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000005057 refrigeration Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
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Abstract
The utility model relates to an environmental data monitoring circuit and circuit board for commodity circulation car, the circuit includes environmental data collection system, controller, NB-IoT communication device and display device, environmental data collection system sets up in the carriage of commodity circulation car, environmental data collection system's output with the input of controller is connected, the output of controller with NB-IoT communication device's input is connected, NB-IoT communication device's output and display device are connected. The technical scheme of the utility model can carry out real-time supervision to the environmental data in the commodity circulation car carriage, and the staff of being convenient for in time takes measures when emergency appears.
Description
Technical Field
The utility model relates to an environmental monitoring technical field especially relates to an environmental data monitoring circuit and circuit board for commodity circulation car.
Background
In recent years, the logistics industry in China is rapidly developed, and the logistics industry gradually becomes a new bright point for economic growth in China. However, the current logistics management system is still not perfect, for example, due to the fact that complicated road conditions, variable weather and the like in the transportation process often affect goods in a carriage of a transport vehicle, for example, the quality of vegetables and fruits can be affected due to overhigh temperature, fragile goods can be damaged due to collision, and the like, a truck driver is required to often look up the conditions of the goods in the carriage in the transportation process, however, on one hand, the workload of the truck driver can be increased in the mode, and time and labor are wasted; on the other hand, in real life, when the driver is not allowed to enter the carriage for theft prevention or the goods in the carriage are transported in a refrigeration mode, and when the driver arrives at the destination and then detects the goods, the goods may be damaged, and irreparable loss may be caused.
SUMMERY OF THE UTILITY MODEL
In order to carry out real-time supervision to the environmental data in the commodity circulation car carriage, the staff of being convenient for in time takes measures when emergency appears, the utility model provides a be applied to the environmental data monitoring circuit and the circuit board of commodity circulation car.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
in a first aspect, the utility model provides an environmental data monitoring circuit for commodity circulation car, including environmental data collection system, controller, NB-IoT communication device and display device, environmental data collection system sets up in the carriage of commodity circulation car, environmental data collection system's output with the input of controller is connected, the output of controller with NB-IoT communication device's input is connected, NB-IoT communication device's output and display device are connected.
The utility model discloses a be applied to environmental data monitoring circuit of commodity circulation car's beneficial effect is: the environment data in the compartment of the logistics vehicle is collected through the environment data collecting device, real-time monitoring is conducted on goods in the compartment, the controller sends the environment data to the display device through the NB-IoT communication device to be displayed in real time, the display device can comprise mobile terminals such as a mobile phone, a computer and a tablet personal computer, a user can know the situation of the goods in the compartment at any time, and the user can take measures in time when emergency occurs so as to reduce loss. The NB-IoT communication device has low power consumption, strong signal and wide coverage, can reduce the power consumption and improve the communication stability of the controller and the display equipment.
On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:
the environment data monitoring circuit comprises a controller, a power supply circuit and a power supply circuit, wherein the controller is used for controlling the power supply circuit to supply power to components in the environment data monitoring circuit, the input end of the power supply circuit is electrically connected with a vehicle-mounted direct-current power supply, and the output end of the power supply circuit is electrically connected with the power supply input end of the controller and used as the direct-current power supply of the controller.
The beneficial effects of the further scheme are as follows: the controller in the circuit is powered by converting the vehicle-mounted direct current power supply, and the power supply is not needed to be arranged additionally, so that the device is simple and convenient, and the structure can be simplified.
Further, the power supply circuit comprises a DC-DC device, a first resistor, a second resistor, a first capacitor, a first RC circuit, a second RC circuit, a diode, an inductor, a fifth resistor, a sixth resistor and a fourth capacitor, a power supply input pin of the DC-DC device is electrically connected with the vehicle-mounted direct current power supply, an enabling pin of the DC-DC device is connected to the vehicle-mounted direct current power supply through the first resistor and is grounded through the second resistor, a soft start pin of the DC-DC device is grounded through the first capacitor, a self-boosting pin of the DC-DC device is connected to a switch control pin of the DC-DC device through the first RC circuit, the switch control pin of the DC-DC device is electrically connected with one end of the inductor, and the other end of the inductor is used as the direct current power supply, the other end of the inductor is further connected to an output voltage feedback pin of the DC-DC device through the sixth resistor, the other end of the inductor is grounded through a fourth capacitor, the output voltage feedback pin of the DC-DC device is grounded through the fifth resistor, the ground pin of the DC-DC device is grounded, an input pin of a comparator of the DC-DC device is electrically connected with one end of a second RC circuit, the other end of the second RC circuit is respectively connected with the anode of the diode and the ground, and the cathode of the diode is electrically connected with a switch control pin of the DC-DC device.
The beneficial effects of the further scheme are as follows: the output voltage of the vehicle-mounted direct-current power supply is generally 12V, 24V and the like, the output voltage of the vehicle-mounted direct-current power supply can be converted into the 3.3V power supply voltage required by the components through the DC-DC device, the conversion efficiency is high, and the circuit structure is simple.
Further, the first RC circuit comprises a second capacitor and a third resistor which are connected in series, and the second RC circuit comprises a third capacitor and a fourth resistor which are connected in series.
The controller comprises a first capacitor, a second capacitor and a third capacitor, wherein the first capacitor is connected with the first end of the first capacitor, the second capacitor is connected with the second end of the second capacitor, the third capacitor is connected with the second end of the second capacitor, and the fourth capacitor is connected with the first end of the second capacitor.
The beneficial effects of the further scheme are as follows: the crystal oscillator circuit provides a clock signal for the controller, and the stability of the controller during working can be improved.
The reset circuit comprises a seventh resistor, a seventh capacitor and a reset switch, a reset pin of the controller is grounded through the reset switch and is connected to a power input end of the controller through the seventh resistor, the power input end of the controller is respectively and electrically connected with a direct current power supply and one end of the seventh capacitor, and the other end of the seventh capacitor is grounded.
The beneficial effects of the further scheme are as follows: the reset circuit is used for enabling the controller to return to the original state and controlling again, and the stability and the reliability of the circuit can be improved.
The starting circuit comprises a key switch and a transient voltage suppression diode, one end of the key switch is grounded, the other end of the key switch is respectively and electrically connected with a starting signal input end of the NB-IoT communication device and a cathode of the transient voltage suppression diode, and an anode of the transient voltage suppression diode is grounded.
The beneficial effects of the further scheme are as follows: after the NB-IoT communication device is connected with a direct-current power supply, a low-level trigger signal is input to the starting signal input end of the NB-IoT communication device by pressing the key switch so as to meet the starting time sequence of the NB-IoT communication module and further start the NB-IoT communication device to work.
Further, the environmental data acquisition device comprises at least one of a temperature sensor, a humidity sensor, a combustible gas sensor, an infrared sensor, a camera and a positioning device.
In a second aspect, the utility model provides a circuit board, include as above the environmental data monitoring circuit who is applied to the commodity circulation car.
The utility model discloses a beneficial effect of circuit board is: the circuit board is convenient for the connection of the environment monitoring circuit applied to the logistics vehicle, and has the advantages of simple structure, higher integration level and higher reliability.
Drawings
Fig. 1 is a schematic structural diagram of an environmental data monitoring circuit applied to a logistics vehicle according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a power supply circuit according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a crystal oscillator circuit and a reset circuit according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a start circuit of an NB-IoT communication device according to an embodiment of the present invention.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, the utility model provides an environmental data monitoring circuit for commodity circulation car, including environmental data collection system, controller, NB-IoT (Narrow Band Internet of Things) communication device and display device, environmental data collection system sets up in the carriage of commodity circulation car, environmental data collection system's output with the input of controller is connected, the output of controller with NB-IoT communication device's input is connected, NB-IoT communication device's output and display device are connected.
In the embodiment, the environmental data in the compartment of the logistics vehicle is collected through the environmental data collecting device, the goods in the compartment are monitored in real time, the controller sends the environmental data to the display device through the NB-IoT communication device for real-time display, the display device can comprise mobile terminals such as a mobile phone, a computer and a tablet personal computer, a user can know the conditions of the goods in the compartment at any time, and the user can take measures in time when an emergency occurs so as to reduce loss. The NB-IoT communication device has low power consumption, strong signal and wide coverage, can reduce the power consumption and improve the communication stability of the controller and the display equipment.
Specifically, the controller can adopt a main control chip with the model number of CC2530, can adopt an NB-IoT communication device with the model number of Boudica120, and has low power consumption and strong signal.
It should be noted that the present invention relates only to the improvement of the circuit structure, and does not relate to the improvement of the method itself, wherein the controller outputs the data collected by the environmental data collecting device to the display device to display the data as the prior art.
Preferably, the environment data monitoring circuit further comprises a power supply circuit for supplying power to components in the environment data monitoring circuit, an input end of the power supply circuit is electrically connected with a vehicle-mounted direct-current power supply, and an output end of the power supply circuit is electrically connected with a power supply input end of the controller and used as the direct-current power supply of the controller.
Specifically, components such as the environmental data acquisition device, the NB-IoT communication device and the display device can directly take electricity from the direct current power supply, can also take electricity from the controller, and supply power to the components in the circuit through the conversion of the vehicle-mounted direct current power supply, and the device does not need to be additionally provided with a power supply, is simple and convenient, and can simplify the structure.
Preferably, as shown IN fig. 2, the power circuit includes a DC-DC (Direct-current-Direct-current conversion) device, i.e., U1 IN fig. 2, a first resistor, i.e., R1 IN fig. 2, a second resistor, i.e., R2, a first capacitor, i.e., C1, a first RC circuit, a second RC circuit, a diode, i.e., D1, an inductor, i.e., L1, a fifth resistor, i.e., R5, a sixth resistor, i.e., R6, and a fourth capacitor, i.e., C4, the power input pin IN of the DC-DC device U1 is electrically connected to the on-board DC power supply, the enable pin EN of the DC-DC device U1 is connected to the on-board DC power supply through the first resistor R1 and to ground through the second resistor R36, the soft-start pin SS of the DC-DC device U1 is connected to ground through the first capacitor C1, the self-DC voltage conversion device U1 is connected to the first RC switch device SW 3985, a switch control pin SW of the DC-DC device U1 is electrically connected to one end of the inductor L1, the other end of the inductor L1 is used as the DC power supply, the other end of the inductor L1 is also connected to the output voltage feedback FB pin of the DC-DC device U1 through the sixth resistor R6, the other end of the inductor L1 is further grounded through a fourth capacitor C4, an output voltage feedback pin FB of the DC-DC device U1 is grounded through the fifth resistor R5, the grounding pin GND of the DC-DC device U1 is grounded, the comparator input pin COMP of the DC-DC device U1 is electrically connected with one end of the second RC circuit, the other end of the second RC circuit is respectively connected to the anode of the diode D1 and ground, the cathode of the diode D1 is electrically connected to the switch control pin SW of the DC-DC device U1.
Specifically, a DC-DC device with the model number of SGM6132YPS8G can be adopted, the output voltage of the vehicle-mounted direct-current power supply is generally 12V, 24V and the like, the output voltage of the vehicle-mounted direct-current power supply can be converted into the 3.3V or 5V power supply voltage required by the components through the DC-DC device, the conversion efficiency is high, and the circuit structure is simple.
Preferably, the first RC circuit comprises a second capacitor C2 and a third resistor R3 connected in series, and the second RC circuit comprises a third capacitor C3 and a fourth resistor R4 connected in series.
Preferably, as shown in fig. 3, the electronic device further includes a crystal oscillator circuit, the crystal oscillator circuit includes a crystal oscillator, i.e., X1 in fig. 3, a fifth capacitor, i.e., C5 in fig. 3, and a sixth capacitor, i.e., C6, a crystal oscillator signal input pin XOSC _ Q1 of the controller is connected to a crystal oscillator signal output pin XOSC _ Q1 of the controller through the crystal oscillator X1, one end of the crystal oscillator X1 is grounded through the fifth capacitor C5, and the other end of the crystal oscillator X1 is grounded through the sixth capacitor C6.
Particularly, the crystal oscillator circuit provides a clock signal for the controller, so that the stability of the controller during operation can be improved.
Preferably, the electronic device further comprises a RESET circuit, the RESET circuit comprises a seventh resistor, i.e., R7 in fig. 3, a seventh capacitor, i.e., C7, and a RESET switch, i.e., S1, a RESET pin RESET _ N of the controller is grounded through the RESET switch S1 and is connected to a power input terminal AVDD5 of the controller through the seventh resistor R7, the power input terminal AVDD5 of the controller is electrically connected to a dc power supply and one end of the seventh capacitor C7, respectively, and the other end of the seventh capacitor C7 is grounded.
Specifically, the reset circuit is used for returning the controller to the original state and controlling again, so that the stability and reliability of the circuit can be improved.
Preferably, as shown in fig. 4, the wireless communication device further includes a start circuit, the start circuit includes a key switch, i.e., S2 in fig. 4, and a transient voltage suppression diode, i.e., TVS, one end of the key switch S2 is grounded, the other end of the key switch S2 is electrically connected to the start signal input PWRKEY of the NB-IoT communication device and the negative electrode of the transient voltage suppression diode TVS, respectively, and the positive electrode of the transient voltage suppression diode TVS is grounded.
Specifically, after the NB-IoT communication device is connected with a direct-current power supply, a low-level trigger signal is input to a starting signal input end PWRKEY of the NB-IoT communication device by pressing a key switch S2 so as to meet the starting time sequence of the NB-IoT communication module and further start the NB-IoT communication device to start working.
Preferably, the environmental data acquisition device comprises at least one of a temperature sensor, a humidity sensor, a combustible gas sensor, an infrared sensor, a camera and a positioning device.
Specifically, the positioning device can adopt an ATK-S1216F8-BD GPS/Beidou module, the module adopts an NMEA-0183 protocol to output data, and adopts a SkyTraq protocol to control, the precision is high, and the positioning device can acquire the position of the logistics vehicle in real time and monitor the running track of the logistics vehicle.
The temperature sensor can acquire the temperature in the carriage in real time, the humidity sensor can acquire the volume humidity in the carriage in real time, the combustible gas sensor can acquire the concentration of combustible gases such as carbon monoxide in the carriage in real time, and the temperature sensor, the humidity sensor, the positioning device and the combustible gas sensor can be installed at any positions in the carriage.
The infrared sensor is arranged at the position of a carriage door and used for detecting whether a person enters the carriage or not and triggering infrared induction, and the audible and visual alarm connected with the controller can be arranged.
The camera is arranged on the side wall or the top wall of the carriage, and the lens faces the carriage door and is used for shooting and recording people entering the carriage.
The utility model discloses another embodiment provides a circuit board includes as above the environmental data monitoring circuit who is applied to the commodity circulation car.
In this embodiment, this circuit board is convenient for above-mentioned environment monitoring circuit's of being applied to the commodity circulation car connection, and simple structure, integrated level are higher to the reliability is higher.
It is to be understood that in the description of the present specification, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. The environmental data monitoring circuit applied to the logistics vehicle is characterized by comprising an environmental data acquisition device, a controller, an NB-IoT communication device and a display device, wherein the environmental data acquisition device is arranged in a carriage of the logistics vehicle, the output end of the environmental data acquisition device is connected with the input end of the controller, the output end of the controller is connected with the input end of the NB-IoT communication device, and the output end of the NB-IoT communication device is connected with the display device.
2. The environmental data monitoring circuit applied to the logistics vehicle of claim 1, further comprising a power circuit for supplying power to components in the environmental data monitoring circuit, wherein an input end of the power circuit is electrically connected with a vehicle-mounted direct current power supply, and an output end of the power circuit is used as a direct current power supply of the controller.
3. The environmental data monitoring circuit applied to the logistics vehicle of claim 2, wherein the power circuit comprises a DC-DC device, a first resistor, a second resistor, a first capacitor, a first RC circuit, a second RC circuit, a diode, an inductor, a fifth resistor, a sixth resistor and a fourth capacitor, a power input pin of the DC-DC device is electrically connected with the vehicle-mounted direct current power supply, an enable pin of the DC-DC device is connected to the vehicle-mounted direct current power supply through the first resistor and is grounded through the second resistor, a soft start pin of the DC-DC device is grounded through the first capacitor, a self-boosting pin of the DC-DC device is connected to a switch control pin of the DC-DC device through the first RC circuit, and the switch control pin of the DC-DC device is electrically connected with one end of the inductor, the other end of the inductor is used as the direct-current power supply, the other end of the inductor is further connected to an output voltage feedback pin of the DC-DC device through the sixth resistor, the other end of the inductor is grounded through a fourth capacitor, the output voltage feedback pin of the DC-DC device is grounded through the fifth resistor, a grounding pin of the DC-DC device is grounded, a comparator input pin of the DC-DC device is electrically connected with one end of a second RC circuit, the other end of the second RC circuit is respectively connected with the anode of the diode and the ground, and the cathode of the diode is electrically connected with a switch control pin of the DC-DC device.
4. The environmental data monitoring circuit applied to the logistics vehicle of claim 3, wherein the first RC circuit comprises a second capacitor and a third resistor connected in series, and the second RC circuit comprises a third capacitor and a fourth resistor connected in series.
5. The environmental data monitoring circuit applied to the logistics vehicle of claim 1, further comprising a crystal oscillator circuit, wherein the crystal oscillator circuit comprises a crystal oscillator, a fifth capacitor and a sixth capacitor, a crystal oscillator signal input pin of the controller is connected to a crystal oscillator signal output pin of the controller through the crystal oscillator, one end of the crystal oscillator is grounded through the fifth capacitor, and the other end of the crystal oscillator is grounded through the sixth capacitor.
6. The environmental data monitoring circuit applied to the logistics vehicle of claim 1, further comprising a reset circuit, wherein the reset circuit comprises a seventh resistor, a seventh capacitor and a reset switch, a reset pin of the controller is grounded through the reset switch and is connected to a power input end of the controller through the seventh resistor, the power input end of the controller is electrically connected with a direct current power supply and one end of the seventh capacitor, respectively, and the other end of the seventh capacitor is grounded.
7. The environmental data monitoring circuit applied to the logistics vehicle of any one of claims 1 to 6, further comprising a starting circuit, wherein the starting circuit comprises a key switch and a transient voltage suppression diode, one end of the key switch is grounded, the other end of the key switch is electrically connected with the starting signal input end of the NB-IoT communication device and the negative electrode of the transient voltage suppression diode respectively, and the positive electrode of the transient voltage suppression diode is grounded.
8. The environmental data monitoring circuit applied to the logistics vehicle of any one of claims 1 to 6, wherein the environmental data collection device comprises at least one of a temperature sensor, a humidity sensor, a combustible gas sensor, an infrared sensor, a camera and a positioning device.
9. A circuit board characterized by comprising the environmental data monitoring circuit applied to the logistics vehicle as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922500710.1U CN211349058U (en) | 2019-12-31 | 2019-12-31 | Environmental data monitoring circuit and circuit board applied to logistics vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922500710.1U CN211349058U (en) | 2019-12-31 | 2019-12-31 | Environmental data monitoring circuit and circuit board applied to logistics vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211349058U true CN211349058U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922500710.1U Expired - Fee Related CN211349058U (en) | 2019-12-31 | 2019-12-31 | Environmental data monitoring circuit and circuit board applied to logistics vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN211349058U (en) |
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2019
- 2019-12-31 CN CN201922500710.1U patent/CN211349058U/en not_active Expired - Fee Related
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Granted publication date: 20200825 |