CN213304973U - Intelligent multifunctional vehicle-mounted power supply wall box - Google Patents
Intelligent multifunctional vehicle-mounted power supply wall box Download PDFInfo
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- CN213304973U CN213304973U CN202021467297.XU CN202021467297U CN213304973U CN 213304973 U CN213304973 U CN 213304973U CN 202021467297 U CN202021467297 U CN 202021467297U CN 213304973 U CN213304973 U CN 213304973U
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Abstract
The utility model discloses an intelligence multi-function vehicle carries power supply wall box, be equipped with commercial power 220V input on the panel of wall box, commercial power 380V input and exchange 220V output, be equipped with commercial power 220V output on the inner panel of wall box, commercial power 380V output and exchange 220V input, all be equipped with the earth leakage protection circuit breaker in commercial power 220V input and the commercial power 380V input circuit, the arrester, contactor and wave filter, still include a power detection management module, power detection management module includes the PCI singlechip, expand vary voltage circuit outward, detection circuitry, AD converting circuit, DA converting circuit and drive circuit. The power supply detection management module is used for monitoring the electric leakage detection signal, the overvoltage and undervoltage detection signal and the grounding detection signal of the wall box, so that the wall box is easy to find out in time when a fault occurs, fault points are judged, the maintenance workload of the power supply wall box is reduced, and the reliability of the operation of equipment is improved.
Description
Technical Field
The utility model relates to an on-vehicle wall box technical field, in particular to intelligence multi-function vehicle mounted power supply wall box.
Background
In special vehicles for special purposes, such as military vehicles, various electronic devices and signal devices are installed inside the special vehicles, and in thunder and lightning weather, the magnetic field of the atmospheric environment affects the devices inside the vehicle, so that the vehicles all need to be electromagnetically shielded, the electromagnetic shielding is usually made of metal plates with certain thickness, the lines of the devices inside the vehicle extend out from a fixed outlet, and the vehicle compartment is called a shelter for short.
The traditional power supply wall box is used as vehicle-mounted shelter power supply access equipment and generally comprises a shielding structural part, an input/output connector, a leakage protection circuit breaker, a power supply filter, a lightning surge protection module and the like.
SUMMERY OF THE UTILITY MODEL
The utility model provides an intelligence multi-function vehicle carries power wall box, its advantage is managed each module to power wall box, is convenient for in time discover the fault point of power wall box to reduce the maintenance work load of power wall box, improve equipment operation's reliability.
The above objects of the utility model are realized through following technical scheme, an intelligence multi-function vehicle carries power supply wall box, be equipped with commercial power 220V input, commercial power 380V input and exchange 220V output on the outside panel of wall box, be equipped with commercial power 220V output, commercial power 380V output and exchange 220V input on the interior panel of wall box, commercial power 220V input, commercial power 380V input and exchange 220V output respectively with commercial power 220V output, commercial power 380V output and exchange 220V input connection, all be equipped with the earth leakage protection circuit breaker in commercial power 220V input and the commercial power 380V input circuit, arrester, contactor and wave filter, be equipped with the circuit breaker in the exchange 220V input circuit, intelligence multi-function vehicle carries power supply wall box still includes a power detection management module, and power detection management module includes PCI singlechip, outer expansion transformer circuit, detection circuitry, The operation signals of the commercial power 220V input, the commercial power 380V input and the alternating current 220V output circuit are input to the PCI single chip microcomputer through the external expansion voltage transformation circuit, the detection circuit and the A/D conversion circuit, the output signal of the PCI single chip microcomputer is connected to the driving circuit through the D/A conversion circuit, the driving circuit is connected with the control end of the contactor, and the driving circuit is further connected with the alarm device and used for driving the alarm device.
The utility model discloses further set up as, alarm device includes pilot lamp and bee calling organ.
The utility model discloses further set up to, the running signal includes the electric leakage detection signal, crosses under-voltage detection signal and ground connection detected signal.
The utility model discloses further set up to, be equipped with single-phase fire on the zero line of commercial power 220V input and report an emergency and ask for help or increased vigilance button pilot lamp, be equipped with three-phase fire on the zero line of commercial power 380V input and report an emergency and ask for help or increased vigilance button pilot lamp.
To sum up, the beneficial effects of the utility model are that:
1. the power supply detection management module is used for monitoring the leakage detection signal, the over-voltage and under-voltage detection signal and the grounding detection signal of the wall box, so that the wall box is easy to find in time when a fault occurs, and a fault point can be judged according to the fault condition, thereby reducing the maintenance workload of the power supply wall box and improving the running reliability of equipment;
2. a single-phase fire zero alarm key indicator lamp and a three-phase fire zero alarm key indicator lamp are arranged for fire zero detection, so that the reverse connection in sequence during wiring is avoided;
3. the lightning arrester is arranged for suppressing lightning or surge conducted by the power input line.
Drawings
FIG. 1 is a wiring diagram of the present embodiment;
FIG. 2 is a schematic diagram of a power detection management module in the present embodiment;
fig. 3 is an external view of the present embodiment.
In the figure: 1. an outer panel; 2. an inner panel; 3. a leakage protection circuit breaker; 4. a lightning arrester; 5. a contactor; 6. a single-phase fire-zero alarm key indicator lamp; 7. three-phase fire-zero alarm key indicator lamp; 8. an indicator light; 9 a buzzer; 10. a circuit breaker.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Example (b): referring to fig. 1, an external panel 1 of a wall box is provided with a commercial power 220V input, a commercial power 380V input and an alternating current 220V output, an internal panel 2 of the wall box is provided with a commercial power 220V output, a commercial power 380V output and an alternating current 220V input, and the commercial power 220V input, the commercial power 380V input and the alternating current 220V output are respectively connected with the commercial power 220V output, the commercial power 380V output and the alternating current 220V input. The commercial power 220V input and the commercial power 380V input are used for being connected with commercial power to connect the commercial power into the shelter, and the alternating current 220V output is used for connecting a power supply out of the shelter. The housing of the wall box is grounded. All be equipped with earth leakage protection circuit breaker 3, arrester 4, contactor 5 and wave filter in commercial power 220V input and the commercial power 380V input circuit, be equipped with circuit breaker 10 among the AC 220V input circuit, it is specific, earth leakage protection circuit breaker 3 is single-phase earth leakage protection circuit breaker in commercial power 220V input circuit, and earth leakage protection circuit breaker 3 is three-phase earth leakage protection circuit breaker in commercial power 380V input circuit. The leakage protection circuit breaker 3 is used for providing power-off protection when the circuit leaks electricity, a rated action current 100mA leakage protection circuit breaker is selected for 220V single-phase alternating current input lines and 380V three-phase alternating current input lines, and when the leakage current reaches a rated protection value, the power output can be automatically cut off. The lightning arrester 4 is used for suppressing lightning or surge transmitted from the power input line. The contactor 5 is used for controlling the on-off of the circuit, and the filter is used for filtering and removing noise waves in the circuit.
The commercial power zero-live alarm device is characterized in that a single-phase zero-live alarm key indicator lamp 6 is arranged on a zero line input by 220V of the commercial power, a three-phase zero-live alarm key indicator lamp 7 is arranged on a zero line input by 380V of the commercial power, and when the current passes, the single-phase zero-live alarm key indicator lamp and the three-phase zero-live alarm key indicator lamp are on. The wall box provides a 220V single-phase mains electricity and 380V three-phase mains electricity supply electric fire zero line sequence detection function (three phases only detect whether A phase connection is an N line), and a single-phase fire zero alarm key indicating lamp or a three-phase fire zero alarm key indicating lamp is not turned on, so that the fire zero line sequence is normal; the 'single-phase fire zero alarm key indicator lamp' or the 'three-phase fire zero alarm key indicator lamp' is on, which indicates that the fire zero line sequence is reversely connected and needs to be connected with a correct input power line sequence.
Referring to fig. 2, the intelligent multifunctional vehicle-mounted power supply wall box in this embodiment further includes a power supply detection management module, the power supply detection management module includes a PCI single chip microcomputer, an external voltage-spreading circuit, a detection circuit, an a/D conversion circuit, a D/a conversion circuit, and a driving circuit, wherein operation signals of the commercial power 220V input, the commercial power 380V input, and the ac 220V output circuit are input to the PCI single chip microcomputer through the external voltage-spreading circuit, the detection circuit, and the a/D conversion circuit, the operation signals include a leakage detection signal, a voltage-crossing detection signal, and a ground detection signal, an output signal of the PCI single chip microcomputer is connected to the driving circuit through the D/a conversion circuit, the driving circuit is connected to a control end of the contactor, and the driving circuit is further connected to the alarm device for. The alarm device comprises an indicator light 8 and a buzzer 9, and the indicator light is provided with a plurality of types to indicate different faults.
And the power supply detection management control module of the wall box carries out high-reliability detection on the leakage voltage of the whole vehicle, and an acousto-optic alarm is given when the voltage from the vehicle body to the ground reaches 36V safe voltage. Under the condition of mains supply, the power supply line contactor automatically cuts off the output of the alternating current mains supply, sound and light alarm does not eliminate noise and recover, and power is supplied again unless faults are eliminated.
The power supply detection management control module of the wall box monitors that when the input voltage of single-phase commercial power or the voltage of three-phase commercial power A-N reaches 280V, the sound and light alarm is given, and the output of alternating-current commercial power is cut off. The acousto-optic alarm cannot be silenced and recovered, and the power is turned on again unless the fault is eliminated.
A220V single-phase mains supply input line selects a 100A single-phase circuit breaker as overcurrent protection, a 380V three-phase mains supply input line selects a 63A three-phase circuit breaker as overcurrent protection, a 220V alternating current output line in a shelter selects a 16A single-phase circuit breaker as overcurrent protection, and when corresponding power output is in overcurrent, the power supply of the line can be cut off in time.
The power supply detection management control module of the wall box carries out high-reliability detection on the grounding condition of the whole vehicle, and when the loop resistance between a measuring ground and a wagon protective ground is greater than a specified value, a sound and light alarm is given, and the alarm sound can be manually eliminated; when the loop resistance returns to the normal value, the acousto-optic alarm stops.
A typical appearance design of the intelligent multifunctional vehicle-mounted power supply wall box in the embodiment is shown in fig. 3.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.
Claims (4)
1. An intelligent multifunctional vehicle-mounted power supply wall box is characterized in that a commercial power 220V input, a commercial power 380V input and an alternating current 220V output are arranged on an outer panel of the wall box, a commercial power 220V output, a commercial power 380V output and an alternating current 220V input are arranged on an inner panel of the wall box, the commercial power 220V input, the commercial power 380V input and the alternating current 220V output are respectively connected with the commercial power 220V output, the commercial power 380V output and the alternating current 220V input, leakage protection circuit breakers, lightning arresters, contactors and filters are arranged in the commercial power 220V input circuit and the commercial power 380V input circuit, a circuit breaker is arranged in the alternating current 220V input circuit, the intelligent multifunctional vehicle-mounted power supply wall box further comprises a power supply detection management module, the power supply detection management module comprises a PCI single chip microcomputer, an external expansion transformation circuit, a detection circuit, an A/D conversion circuit, a D/A conversion, the operating signals of the 220V input of the mains supply, the 380V input of the mains supply and the 220V output circuit of the alternating current are input to the PCI single chip microcomputer through the external expansion transformation circuit, the detection circuit and the A/D conversion circuit, the output signals of the PCI single chip microcomputer are connected to the driving circuit through the D/A conversion circuit, the driving circuit is connected with the control end of the contactor, and the driving circuit is further connected with the alarm device and used for driving the alarm device.
2. The intelligent multi-function vehicle power supply wall box according to claim 1, wherein the alarm device comprises an indicator light and a buzzer.
3. The intelligent multi-function vehicle power supply wall box according to claim 1, wherein the operation signals include a leakage detection signal, an over-voltage and under-voltage detection signal and a grounding detection signal.
4. The wall box of claim 1, wherein a single-phase live zero warning key indicator lamp is disposed on a 220V neutral line of the mains supply, and a three-phase live zero warning key indicator lamp is disposed on a 380V neutral line of the mains supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021467297.XU CN213304973U (en) | 2020-07-23 | 2020-07-23 | Intelligent multifunctional vehicle-mounted power supply wall box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021467297.XU CN213304973U (en) | 2020-07-23 | 2020-07-23 | Intelligent multifunctional vehicle-mounted power supply wall box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213304973U true CN213304973U (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021467297.XU Active CN213304973U (en) | 2020-07-23 | 2020-07-23 | Intelligent multifunctional vehicle-mounted power supply wall box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213304973U (en) |
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2020
- 2020-07-23 CN CN202021467297.XU patent/CN213304973U/en active Active
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