CN214314641U - Voltage monitoring system of AGV charger - Google Patents
Voltage monitoring system of AGV charger Download PDFInfo
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- CN214314641U CN214314641U CN202120244926.0U CN202120244926U CN214314641U CN 214314641 U CN214314641 U CN 214314641U CN 202120244926 U CN202120244926 U CN 202120244926U CN 214314641 U CN214314641 U CN 214314641U
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Abstract
The utility model provides a voltage monitoring system of AGV charger, include: the device comprises a direct current voltage converter, a voltage acquisition module, a controller and a relay. The output that the AGV charges the machine with direct current voltage converter's input links to each other, direct current voltage converter's output with the input of relay links to each other, the output of relay links to each other with the input of AGV charging boots, direct current voltage converter's output still with the power end of controller links to each other, the input of controller with voltage acquisition module's output links to each other, the first output of controller with the control end of relay links to each other. The controller is in when output voltage surpassed the settlement voltage interval first output high level makes the relay disconnection the AGV charger with the electricity between the AGV boots that charge is connected. The utility model discloses can improve equipment's safety in utilization and intelligence.
Description
Technical Field
The utility model relates to a cigarette production assists technical field, especially relates to a voltage monitoring system of AGV charger.
Background
AGV intelligent vehicle wide application in logistics system, it has improved the degree of automation of mill's commodity circulation transportation greatly, and the AGV dolly carries out automatic auxiliary material delivery to production line in the cigarette workshop, can improve the intellectuality and the degree of automation of production line. The AGV dolly is as commodity circulation core conveying equipment, and its power guarantee is crucial, and the charger is the charging device that the AGV dolly acquireed the energy. Generally, when the AGV car battery power is below 90%, the car will no longer receive the loading/unloading transportation task and will immediately perform the charging task. Therefore, the charger normally completes automatic charging smoothly and is also the key for ensuring material transportation. However, when the AGV trolley is used, the failure of a charger occurs frequently, so that the maintenance is time-consuming and labor-consuming, the transportation efficiency of the equipment is affected, the battery of the AGV trolley is subjected to sparking, even burning and other conditions, and the safety of the equipment and the personal safety are seriously threatened. The faults are mainly caused by the fact that the charger cannot intelligently monitor the power supply state, overvoltage protection carried by the charger fails, the charging voltage is too high to automatically stop charging, and the situations of frequent charging, sparking, battery spontaneous combustion and the like of the AGV are caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a voltage monitoring system of AGV machine that charges solves current AGV machine that charges and lacks the problem that the monitoring easily leads to AGV dolly charging sparkling spark and battery spontaneous combustion of power supply, improve equipment's safety in utilization and intelligent.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a voltage monitoring system of an AGV charger includes: the device comprises a direct-current voltage converter, a voltage acquisition module, a controller and a relay;
the output end of the AGV charger is connected with the input end of the direct-current voltage converter, the output end of the direct-current voltage converter is connected with the input end of the relay, the output end of the relay is connected with the input end of the AGV charging boot, the output end of the direct-current voltage converter is further connected with the power supply end of the controller, the input end of the controller is connected with the output end of the voltage acquisition module, and the first output end of the controller is connected with the control end of the relay;
the voltage acquisition module is used for acquiring the output voltage of the AGV charger;
the direct-current voltage converter is used for converting the direct-current voltage output by the AGV charger into direct-current voltage output according to a linear proportion;
the controller is in when output voltage surpassed the settlement voltage interval first output high level makes the relay disconnection the AGV charger with the electricity between the AGV boots that charge is connected.
Preferably, the method further comprises the following steps: an alarm device;
the input end of the alarm device is connected with the second output end of the controller, and when the output voltage exceeds the set voltage interval, the controller controls the alarm device to give an alarm.
Preferably, the alarm device includes at least any one of the following: indicator light, audible and visual alarm, buzzer and speaker.
Preferably, the method further comprises the following steps: a display screen;
the input of display screen with the third output of controller is connected, the display screen is used for showing AGV charger's output voltage and alarm information.
Preferably, the method further comprises the following steps: a communication module;
the communication module is in signal connection with the controller, and the controller is in communication connection with the AGV trolley and the AGV charging boot through the communication module;
the AGV dolly with when the AGV boots that charge are pegged graft, the controller passes through communication module receives the AGV dolly or the signal of charging that AGV boots sent, and according to the signal of charging with output voltage control opening and shutting of relay is in order to carry out AGV dolly operation of charging.
Preferably, the communication module at least comprises any one of the following components: the mobile communication module, bluetooth module and Wifi module.
Preferably, the voltage acquisition module includes: the device comprises an analog-to-digital conversion module, a voltage acquisition chip and a digital-to-analog conversion module;
the input end of the voltage acquisition chip is connected with the output end of the analog-to-digital conversion module, and the output end of the voltage acquisition module is connected with the input end of the digital-to-analog conversion module;
the input end of the analog-to-digital conversion module is used as the input end of the voltage acquisition module, and the output end of the digital-to-analog conversion module is used as the output end of the voltage acquisition module.
Preferably, the method further comprises the following steps: a manual switch;
the hand switch is connected in series between the output end of the direct-current voltage converter and the input end of the AGV charging boots, and the hand switch is used for manually disconnecting the AGV charger and the electric connection between the AGV charging boots.
Preferably, the dc voltage converter is a DCDC converter.
The utility model provides a voltage monitoring system of AGV machine that charges connects direct current voltage converter at the output of AGV machine that charges to the AGV boots and the controller supply direct current that charge, the controller surpasss when setting for the voltage interval at the output voltage of the AGV machine that voltage acquisition module gathered the controller passes through the relay disconnection the AGV machine with the AGV charges the electricity between the boots and is connected. The problem of current AGV charger lack the monitoring of supplying power and easily lead to AGV dolly charging sparkling and battery spontaneous combustion is solved, improve equipment's safety in utilization and intelligent.
Drawings
In order to more clearly illustrate the specific embodiments of the present invention, the drawings used in the embodiments will be briefly described below.
Fig. 1 is the utility model provides a voltage monitoring system schematic diagram of AGV charger.
Detailed Description
In order to make those skilled in the art better understand the solution of the embodiments of the present invention, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings and the implementation manner.
The problem of easy emergence when charging to current AGV dolly fire or spontaneous combustion, the utility model provides a AGV charger's voltage monitoring system solves current AGV charger and lacks the problem that the monitoring of supplying power easily leads to AGV dolly charging to fire spark and battery spontaneous combustion, improve equipment's safety in utilization and intelligent.
In order to achieve the above purpose, the utility model provides the following technical scheme:
as shown in fig. 1, a voltage monitoring system of an AGV charger includes: the device comprises a direct current voltage converter, a voltage acquisition module, a controller and a relay. The output that the AGV charges the machine with direct current voltage converter's input links to each other, direct current voltage converter's output with the input of relay links to each other, the output of relay links to each other with the input of AGV charging boots, direct current voltage converter's output still with the power end of controller links to each other, the input of controller with voltage acquisition module's output links to each other, the first output of controller with the control end of relay links to each other. The voltage acquisition module is used for acquiring the output voltage of the AGV charger. And the direct-current voltage converter is used for converting the direct-current voltage output by the AGV charger into direct-current voltage output according to a linear proportion. The controller is in when output voltage surpassed the settlement voltage interval first output high level makes the relay disconnection the AGV charger with the electricity between the AGV boots that charge is connected.
In practical applications, the detectable DC voltage input range of DC voltage converter YPD-DV is DC: 0V-450V, the voltage range of the linear isolation direct current output interface is as follows: 0V to 2.5V. After voltage signals generated by the AGV charger are input into the direct-current voltage converter, direct-current analog voltage signals are isolated and output and input into the AGV charging boots through the relays. The output voltage of the AGV charger is collected through the voltage collection module, and when the output voltage is larger than the upper limit of the set voltage interval or smaller than the lower limit of the set voltage interval, the controller controls the relay to be disconnected, so that the AGV charger is disconnected from the electric connection of the AGV charging boots. And if the output voltage is within the set voltage interval, the driving relay is connected with an external circuit to perform the charging task of the AGV. Therefore, the system can reduce the maintenance frequency of the AGV charger, improve the transportation efficiency of the AGV trolley and improve the use safety and the intelligence of equipment.
The system further comprises: an alarm device; the input end of the alarm device is connected with the second output end of the controller, and when the output voltage exceeds the set voltage interval, the controller controls the alarm device to give an alarm.
Further, the alarm device at least comprises any one of the following components: indicator light, audible and visual alarm, buzzer and speaker.
The system further comprises: a display screen; the input of display screen with the third output of controller is connected, the display screen is used for showing AGV charger's output voltage and alarm information.
In practical application, one display screen can simultaneously display the voltage and alarm of a plurality of AGV chargers so as to monitor the states of a plurality of chargers, and unified and effective management on the charging operation of the AGV is facilitated.
The system further comprises: a communication module; the communication module with controller signal connection, the controller passes through communication module and AGV dolly with AGV boots communication connection that charges. The AGV dolly with when the AGV boots that charge are pegged graft, the controller passes through communication module receives the AGV dolly or the signal of charging that AGV boots sent, and according to the signal of charging with output voltage control opening and shutting of relay is in order to carry out AGV dolly operation of charging.
Further, the communication module at least comprises any one of the following components: the mobile communication module, bluetooth module and Wifi module.
In practical application, the communication module is further provided with communication interfaces, such as an RS485 interface and a USB interface, so as to be in signal connection with external devices.
The voltage acquisition module includes: the device comprises an analog-to-digital conversion module, a voltage acquisition chip and a digital-to-analog conversion module. The input end of the voltage acquisition chip is connected with the output end of the analog-to-digital conversion module, and the output end of the voltage acquisition module is connected with the input end of the digital-to-analog conversion module. The input end of the analog-to-digital conversion module is used as the input end of the voltage acquisition module, and the output end of the digital-to-analog conversion module is used as the output end of the voltage acquisition module.
In practical application, the voltage acquisition chip can adopt a singlechip, such as a C8051F040 type microprocessor. The voltage acquisition module further comprises: the data processing circuit comprises a driving chip and the like connected with an external interface socket.
The system further comprises: a manual switch (not shown in the drawings); the hand switch is connected in series between the output end of the direct-current voltage converter and the input end of the AGV charging boots, and the hand switch is used for manually disconnecting the AGV charger and the electric connection between the AGV charging boots.
Further, the direct current voltage converter is a DCDC converter.
It is visible, the utility model provides a voltage monitoring system of AGV machine that charges connects direct current voltage converter at the output of AGV machine that charges to the AGV boots and the controller supply direct current that charge, the controller surpasss when setting for the voltage interval at the output voltage of the AGV machine that voltage acquisition module gathered the controller passes through the relay disconnection the AGV machine that charges with the AGV charges the electricity between the boots and is connected. The problem of current AGV charger lack the monitoring of supplying power and easily lead to AGV dolly charging sparkling and battery spontaneous combustion is solved, improve equipment's safety in utilization and intelligent.
The structure, features and effects of the present invention have been described in detail according to the embodiment shown in the drawings, and the above description is only the preferred embodiment of the present invention, but the present invention is not limited to the implementation scope shown in the drawings, and all changes made according to the idea of the present invention or equivalent embodiments modified to equivalent changes are within the protection scope of the present invention without departing from the spirit covered by the description and drawings.
Claims (9)
1. The utility model provides a voltage monitoring system of AGV charger which characterized in that includes: the device comprises a direct-current voltage converter, a voltage acquisition module, a controller and a relay;
the output end of the AGV charger is connected with the input end of the direct-current voltage converter, the output end of the direct-current voltage converter is connected with the input end of the relay, the output end of the relay is connected with the input end of the AGV charging boot, the output end of the direct-current voltage converter is further connected with the power supply end of the controller, the input end of the controller is connected with the output end of the voltage acquisition module, and the first output end of the controller is connected with the control end of the relay;
the voltage acquisition module is used for acquiring the output voltage of the AGV charger;
the direct-current voltage converter is used for converting the direct-current voltage output by the AGV charger into direct-current voltage output according to a linear proportion;
the controller is in when output voltage surpassed the settlement voltage interval first output high level makes the relay disconnection the AGV charger with the electricity between the AGV boots that charge is connected.
2. The system for monitoring the voltage of an AGV charger according to claim 1, further comprising: an alarm device;
the input end of the alarm device is connected with the second output end of the controller, and when the output voltage exceeds the set voltage interval, the controller controls the alarm device to give an alarm.
3. The system for monitoring the voltage of an AGV charger according to claim 2, wherein the alarm device includes at least one of the following: indicator light, audible and visual alarm, buzzer and speaker.
4. The system for monitoring the voltage of an AGV charger according to claim 3, further comprising: a display screen;
the input of display screen with the third output of controller is connected, the display screen is used for showing AGV charger's output voltage and alarm information.
5. The system for monitoring the voltage of an AGV charger according to claim 4, further comprising: a communication module;
the communication module is in signal connection with the controller, and the controller is in communication connection with the AGV trolley and the AGV charging boot through the communication module;
the AGV dolly with when the AGV boots that charge are pegged graft, the controller passes through communication module receives the AGV dolly or the signal of charging that AGV boots sent, and according to the signal of charging with output voltage control opening and shutting of relay is in order to carry out AGV dolly operation of charging.
6. The system for monitoring the voltage of the AGV charger according to claim 5, wherein the communication module at least includes any one of the following: the mobile communication module, bluetooth module and Wifi module.
7. The system for monitoring the voltage of the AGV charger of claim 6, wherein the voltage acquisition module comprises: the device comprises an analog-to-digital conversion module, a voltage acquisition chip and a digital-to-analog conversion module;
the input end of the voltage acquisition chip is connected with the output end of the analog-to-digital conversion module, and the output end of the voltage acquisition module is connected with the input end of the digital-to-analog conversion module;
the input end of the analog-to-digital conversion module is used as the input end of the voltage acquisition module, and the output end of the digital-to-analog conversion module is used as the output end of the voltage acquisition module.
8. The system for monitoring the voltage of an AGV charger according to claim 7, further comprising: a manual switch;
the hand switch is connected in series between the output end of the direct-current voltage converter and the input end of the AGV charging boots, and the hand switch is used for manually disconnecting the AGV charger and the electric connection between the AGV charging boots.
9. The voltage monitoring system of the AGV charger according to any one of claims 1 to 8, wherein the DC voltage converter is a DCDC converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202120244926.0U CN214314641U (en) | 2021-01-28 | 2021-01-28 | Voltage monitoring system of AGV charger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120244926.0U CN214314641U (en) | 2021-01-28 | 2021-01-28 | Voltage monitoring system of AGV charger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112769194A (en) * | 2021-01-28 | 2021-05-07 | 红云红河烟草(集团)有限责任公司 | Voltage monitoring system of AGV charger |
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2021
- 2021-01-28 CN CN202120244926.0U patent/CN214314641U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112769194A (en) * | 2021-01-28 | 2021-05-07 | 红云红河烟草(集团)有限责任公司 | Voltage monitoring system of AGV charger |
| CN112769194B (en) * | 2021-01-28 | 2024-04-30 | 红云红河烟草(集团)有限责任公司 | Voltage monitoring system of AGV (automatic guided vehicle) charger |
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