CN216819695U - Intelligent vehicle-mounted power supply wall box - Google Patents
Intelligent vehicle-mounted power supply wall box Download PDFInfo
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- CN216819695U CN216819695U CN202123362222.2U CN202123362222U CN216819695U CN 216819695 U CN216819695 U CN 216819695U CN 202123362222 U CN202123362222 U CN 202123362222U CN 216819695 U CN216819695 U CN 216819695U
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Abstract
The utility model discloses an intelligent vehicle-mounted power supply wall box.A panel outside the wall box is provided with an alternating current power supply input interface, a direct current load branch output interface and an alternating current load branch output interface, wherein one or more direct current load branches or alternating current load branches are arranged; the AC power supply input or the DC power supply input can supply power for the DC load branch or the AC load branch; a man-machine interface is also arranged on the outer panel of the wall box; the control chip, the human-computer interface, the voltage and current sensor, the rectifier, the inverter, the leakage protection switch, the air switch and other electronic devices are highly integrated, the structure is compact, and the control chip can realize the automatic opening and closing action of the load equipment branch; the load equipment is controlled, voltage, current and temperature information are monitored, alarm information is displayed and the like through the HMI, so that the use is more convenient; the structure and the size of the wall box refer to the U-shaped design of the server rack, so that the wall box is more beneficial to being embedded into the vehicle body.
Description
Technical Field
The utility model relates to the technical field of vehicle-mounted wall boxes, in particular to an intelligent vehicle-mounted power supply wall box.
Background
The power supply, the power utilization and the like of 220V and 24V load equipment on some vehicles, such as special vehicles, need centralized distribution management and monitoring; the utility model discloses a utility model patent that publication number is CN213304973U intelligence multi-function vehicle power supply wall box and the utility model patent that publication number is CN202783009U can't show signal such as each branch road voltage, electric current, temperature or warning, and current power supply wall box can not directly carry out directly perceived through human-computer interface and control simultaneously to current wall box structure is unfavorable for imbedding inside the automobile body.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an intelligent vehicle-mounted power supply wall box.
In order to realize the purpose, the technical scheme of the utility model is as follows:
an intelligent vehicle-mounted power supply wall box is characterized in that an alternating current power supply input interface, a direct current load branch output interface, an alternating current load branch output interface and an air switch are arranged on an outer panel of the intelligent vehicle-mounted power supply wall box; the intelligent vehicle-mounted power supply wall box is internally provided with a mounting plate, a rectifier, an inverter, a plurality of direct current contactors, a control chip, a plurality of current sensors, a plurality of voltage sensors and a plurality of alternating current contactors; the mounting plate is fixed inside the intelligent vehicle-mounted power supply wall box; the rectifier, the inverter, the plurality of direct current contactors and the plurality of alternating current contactors are respectively fixed on the mounting plate; the control chip is fixed on a bracket, and the bracket is fixed on the mounting plate; the plurality of current sensors and the plurality of voltage sensors are respectively fixed on the side wall in the intelligent vehicle-mounted power supply wall box; the outer panel of the intelligent vehicle-mounted power supply wall box is also provided with a human-computer interface HMI, a first leakage protector, a second leakage protector and a surge protector; the rectifier, the inverter, a plurality of direct current contactors, the control chip, a plurality of current sensors, a plurality of voltage sensors, a plurality of alternating current contactors, a human-computer interface HMI, a first leakage protector, a second leakage protector, the air switch, the surge protector and the direct current load branch output interface or the alternating current load branch output interface are electrically connected.
Furthermore, the alternating current power supply input interface, the direct current load branch output interface and the alternating current load branch output interface are positioned on the same outer panel of the intelligent vehicle-mounted power supply wall box; the human-computer interface HMI, the air switch, the first leakage protector, the second leakage protector and the surge protector are positioned on the same outer panel of the intelligent vehicle-mounted power supply wall box; the outer panels where the alternating current power supply input interface, the direct current load branch output interface and the alternating current load branch output interface are located are arranged opposite to the outer panel where the human-computer interface HMI, the air switch, the first leakage protector, the second leakage protector and the surge protector are located.
Furthermore, the inner wall edge of the intelligent vehicle-mounted power supply wall box is provided with a groove all around, and the mounting plate is fixed in the groove.
Furthermore, the rectifier, the inverter and the plurality of direct current contactors are provided with mounting holes, the mounting plate is provided with through holes, and the rectifier, the inverter and the plurality of direct current contactors are fixed on the mounting plate through the mounting holes, the through holes and screws.
Furthermore, the plurality of current sensors and the plurality of voltage sensors are respectively fixed on a first guide rail, and the first guide rail is fixed on the side wall in the intelligent vehicle-mounted power supply wall box through screws.
A plurality of alternating current contactors are fixed on the second guide rail, and the second guide rail for fixing the alternating current contactors is fixed on the mounting plate.
Further, the number of the current sensors is five, namely a first current sensor, a second current sensor, a third current sensor and a fourth current sensor, and the five current sensors are arranged together inside the wall box; the number of the direct current contactors is five, namely, the direct current contactors are a first direct current contactor, a second direct current contactor, a third direct current contactor and a fourth direct current contactor, and the five direct current contactors are arranged together in the wall box; the number of the voltage sensors is four, namely a first voltage sensor, a second voltage sensor, a third voltage sensor and a fourth voltage sensor, and the four voltage sensors are arranged together inside the wall box; the number of the plurality of alternating current contactors is four, and the four alternating current contactors are respectively a first alternating current contactor, a second alternating current contactor, a third alternating current contactor, a fourth alternating current contactor and a fourth alternating current contactor, and the four alternating current contactors are arranged together on the mounting plate.
Further, the control chip is arranged right above the direct current contactor and fixed on a support, and the support is fixed on the mounting plate through a screw; five direct current contactors are arranged below the bracket; the control chip layer is stacked above the five alternating current contactors.
Furthermore, a temperature sensor is also arranged in the intelligent vehicle-mounted power supply wall box, and the temperature sensor is fixed on the inner wall of the wall box close to the rectifier or the inverter and on the inner wall of one side opposite to the current sensor and the voltage sensor; the temperature sensor is electrically connected with the human-machine interface HMI.
Further, the alternating current power supply input interface comprises a mains supply 220V input interface and a generator input interface, the mains supply 220V input interface is connected with the first alternating current contactor, and the generator input interface is connected with the second alternating current contactor; the first alternating current contactor and the second alternating current contactor are connected with a surge protector, and the first alternating current contactor and the second alternating current contactor are connected with the surge protector after being connected in parallel; the direct-current power supply input interface is connected with a fourth direct-current contactor, a fifth direct-current contactor is arranged on an output circuit of the fourth direct-current contactor, and a fourth current detector and a third voltage detector are arranged on a circuit between the fourth direct-current contactor and the fifth direct-current contactor; a first leakage protector is arranged on an output circuit of the surge protector;
the first leakage protector is connected with the rectifier and the third alternating current contactor at the same time, the rectifier and the third alternating current contactor are connected in parallel, the first leakage protector is connected with the rectifier and the third alternating current contactor in series, and a first voltage detector and a first current detector are arranged on a circuit between the first leakage protector and the rectifier as well as between the first leakage protector and the third alternating current contactor;
a first direct current contactor is arranged on the output circuit of the rectifier;
the first direct current contactor and the fifth direct current contactor are connected in parallel and then connected with a second voltage detector, the second voltage detector is connected with a second direct current contactor and a third direct current contactor, and the second direct current contactor and the third direct current contactor are connected in parallel.
Further, the second dc contactor is connected to the output interface of the first dc load branch, and a second current detector is disposed on a circuit between the second dc contactor and the output interface of the first dc load branch;
the third direct current contactor is connected with the output interface of the second direct current load branch circuit, and a third current detector is arranged on a circuit between the third direct current contactor and the output interface of the second direct current load branch circuit;
a fourth current detector, a third voltage detector, a fifth direct current contactor, an inverter, a fourth alternating current contactor and a second leakage protector are sequentially arranged on the output circuit of the fourth direct current contactor in series, and the second leakage protector is connected with an output interface of the alternating current load branch;
and the third alternating current contactor and the fourth alternating current contactor are connected in parallel and then are connected with a second leakage protector.
The utility model has the beneficial effects that:
1. according to the utility model, the voltage sensor, the current sensor and the like are arranged on the branches, and the temperature sensor is arranged on the inner wall of the wall box, so that the voltage, the current, the temperature and the alarm information of each branch can be visually displayed on a human-computer interface, and a user can conveniently know the circuit condition.
2. Through the human-computer interface, a user can control the circuit to be opened or closed, and the use is more convenient.
3. The structure and the size of the vehicle-mounted power supply wall box adopt a U-shaped design, and the vehicle-mounted power supply wall box is conveniently embedded into a vehicle.
4. Compared with the traditional method of fixing the components on the wall box bottom plate, the intelligent vehicle-mounted power supply wall box is more attractive, and the components can be more conveniently installed.
5. The intelligent vehicle-mounted power supply wall box disclosed by the utility model has the advantages that the control chip, the human-computer interface, the voltage sensor, the current sensor, the rectifier, the inverter, the leakage protection switch, the air switch and other electronic devices are highly integrated, the structure is compact, the automatic opening and closing actions of a load branch can be realized through the control chip, and the intelligent operation is realized; can control, monitor the voltage and current information of each load equipment branch road, control temperature information, show alarm information etc. load equipment through HMI, it is more convenient to use.
Drawings
FIG. 1 is a schematic view of the present invention.
FIG. 2 is a schematic view of the present invention.
FIG. 3 is a schematic view of the present invention.
FIG. 4 is a circuit diagram of the present invention.
FIG. 5 is a schematic diagram of a control system according to the present invention.
Wherein: a human-machine interface 1; opening in the air 2; a heat radiation fan 3; a first leakage protector 4; a second earth leakage protector 5; a mains supply 220V input interface 6; a generator input interface 7; an alternating current input interface 8; a standby alternating current input interface 9; a direct current load branch output interface 10; an ac load branch output interface 11; a standby alternating current input interface 12; and a surge protector 13.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to fig. 3, an external panel of an intelligent vehicle-mounted power supply wall box is provided with an ac power supply input interface, a dc power supply input interface 8, a dc load branch output interface 10, an ac load branch output interface 11, and an air switch 2; the intelligent vehicle-mounted power supply wall box is internally provided with a mounting plate, a rectifier, an inverter, a plurality of direct current contactors, a control chip, a plurality of current sensors, a plurality of voltage sensors and a plurality of alternating current contactors; the mounting plate is fixed inside the intelligent vehicle-mounted power supply wall box; the rectifier, the inverter, the plurality of direct current contactors and the plurality of alternating current contactors are respectively fixed on the mounting plate; the control chip is fixed on a bracket, and the bracket is fixed on the mounting plate; the plurality of current sensors and the plurality of voltage sensors are respectively fixed on the side wall in the intelligent vehicle-mounted power supply wall box; a human-Machine interface HMI (human Machine interface)1, a first leakage protector 4, a second leakage protector 5 and a surge protector 13 are further arranged on the outer panel of the intelligent vehicle-mounted power supply wall box; the intelligent vehicle-mounted power supply wall box is characterized in that all components are electrically connected, and the rectifier, the inverter, the direct current contactors, the control chip, the current sensors, the voltage sensors, the alternating current contactors, the human-computer interface HMI1, the first leakage protector 4, the second leakage protector 5, the air switch 2 and the surge protector are electrically connected with the direct current load branch output interface 10 or the alternating current load branch output interface 11 through wires.
The alternating current power supply input interface and the direct current power supply input interface 8 are used for connecting an external power supply to supply power to the whole intelligent vehicle-mounted power supply wall box; the dc load branch output interface 10 and the ac load branch output interface 11 are used for connecting an external load.
And a standby alternating current input interface 9 and a standby alternating current input interface 12 are also arranged on the outer panel in the intelligent vehicle-mounted power supply wall box.
One or more direct current load branches and one or more alternating current load branches can be arranged in the intelligent vehicle-mounted power supply wall box, and each load branch corresponds to one output interface; the direct current load can be a lighting system, an alarm light, a video monitor, a strong light or a lifting lighting, etc., and the alternating current load branch can be a mobile phone or a computer, etc.; in this embodiment, two dc load branches are provided, and since the ac load is used less, one ac load branch is provided in this embodiment.
The human-computer interface 1 is a touch screen; the intelligent vehicle-mounted power supply wall box uses 24V working voltage, and the air switch 2 is used for controlling the power-off and power-on of the intelligent vehicle-mounted power supply wall box; the shell behind the box body of the intelligent vehicle-mounted power supply wall box is provided with a cooling fan 3 and output interfaces corresponding to the load branches, and each output interface is provided with a light system, an alarm light, a flash alarm, a notebook computer or a mobile phone interface and the like.
The alternating current power supply input interface, the direct current power supply input interface 8, the direct current load branch output interface 10 and the alternating current load branch output interface 11 are positioned on the same outer panel of the intelligent vehicle-mounted power supply wall box; the human-computer interface HMI1, the air switch 2, the first leakage protector 4 and the second leakage protector 5 are positioned on the same outer panel of the intelligent vehicle-mounted power supply wall box; the human-computer interface HMI1, the air switch 2, the first leakage protector 4, the second leakage protector 5 and the surge protector are embedded on the outer panel; the outer panels where the alternating current power supply input interface, the direct current power supply input interface 8, the direct current load branch output interface 10 and the alternating current load branch output interface 11 are located are arranged opposite to the outer panels where the human-machine interface HMI1, the air switch 2, the first leakage protector 4, the second leakage protector 5 and the surge protector are located.
A groove is formed in the periphery of the inner wall edge of the intelligent vehicle-mounted power supply wall box, and the mounting plate is fixed in the groove; or screws are fixed on the bottom surface inside the intelligent vehicle-mounted wall box, and the mounting plate is fixed inside the intelligent vehicle-mounted wall box through the screws.
The mounting plate can be a galvanized plate or an iron plate, is 2-3mm thick and is 15mm away from the bottom plate of the electric box.
The rectifier, the inverter and the direct current contactors are fixed on the mounting plate through the mounting holes, the through holes and screws; the control chip can be a single chip microcomputer or a DSP 28335.
A plurality of current sensor, a plurality of voltage sensor pass through unable adjustment base to be fixed on the lateral wall in the intelligent vehicle mounted power wall box, unable adjustment base be first guide rail, the first guide rail of fixed a plurality of current sensor, a plurality of voltage sensing passes through the fix with screw on the lateral wall in the intelligent vehicle mounted power wall box.
A plurality of ac contactor lead to unable adjustment base to be fixed on the mounting panel, unable adjustment base of fixed ac contactor is on the second guide rail, and the second guide rail passes through the fix with screw on the mounting panel.
The number of the current sensors, the number of the direct current contactors, the number of the voltage sensors and the number of the alternating current contactors are five, four and four respectively; five current sensors are arranged together inside the wall box, five direct current contactors are arranged together inside the wall box, four voltage sensors are arranged together inside the wall box, and four alternating current contactors are arranged together on the mounting plate.
The control chip is fixed on a bracket, and the bracket is fixed on the mounting plate through a screw; five direct current contactors are arranged below the bracket; the control chip layer is stacked above the five alternating current contactors.
As shown in fig. 4, the ac power input interface includes a 220V mains supply input interface 6 and a generator input interface 7, the 220V mains supply input interface is connected to the first ac contactor, and the generator input interface 6 is connected to the second ac contactor; the first alternating current contactor and the second alternating current contactor are both connected with a surge protector 13, and particularly the first alternating current contactor and the second alternating current contactor are connected with the surge protector after being connected in parallel; the direct current power supply input interface is connected with a fourth direct current contactor, a fifth direct current contactor is arranged on an output circuit of the fourth direct current contactor, and a fourth current detector and a third voltage detector are arranged on a circuit between the fourth direct current contactor and the fifth direct current contactor.
The output circuit of the surge protector 13 is provided with a first leakage protector 4.
The first leakage protector 4 is connected with the rectifier and the third alternating current contactor at the same time, the rectifier and the third alternating current contactor are connected in parallel, the first leakage protector 4 is connected with the rectifier and the third alternating current contactor in series, a first voltage detector and a first current detector are arranged on a circuit between the first leakage protector 4 and the rectifier and the third alternating current contactor, and if the first voltage detector and the first current detector detect normally, the rectifier or the third alternating current contactor is connected.
The rectifier output circuit is provided with a first direct current contactor.
The first direct current contactor and the fifth direct current contactor are connected in parallel and then connected with a second voltage detector, the second voltage detector is connected with a second direct current contactor and a third direct current contactor, and the second direct current contactor and the third direct current contactor are connected in parallel.
The second voltage detector is used for detecting whether the voltages on the output circuits of the first direct current contactor and the fifth direct current contactor are normal or not.
The second direct current contactor is connected with the output interface of the first direct current load branch circuit, a second current detector is arranged on a circuit between the second direct current contactor and the output interface of the first direct current load branch circuit, and the second current detector is used for detecting whether current on the output circuit of the second direct current contactor is normal or not.
The third direct current contactor is connected with the output interface of the second direct current load branch circuit, a third current detector is arranged on a circuit between the third direct current contactor and the output interface of the second direct current load branch circuit, and the third current detector is used for detecting whether current on an output circuit of the third direct current contactor is normal or not.
A fourth current detector, a third voltage detector, a fifth direct current contactor, an inverter, a fourth alternating current contactor and a second leakage protector 5 are sequentially arranged on the output circuit of the fourth direct current contactor in series, the second leakage protector 5 is connected with an output interface of the alternating current load branch, and a fourth voltage detector and a fifth current detector are arranged between the second leakage protector 5 and the output interface of the alternating current load branch; the fourth voltage detector and the fifth current detector are used for detecting whether the output voltage and the current of the second leakage protector 5 are normal or not, if so, the output interface of the alternating current load branch is connected, and the alternating current load branch can be supplied with power; the third alternating current contactor and the fourth alternating current contactor are connected in parallel and then connected with a second leakage protector 5.
And an ON/OFF control button corresponding to each load branch is arranged ON the HMI interface, the ON/OFF control button of each load branch is clicked ON the HMI interface, the contactor of the corresponding load branch is attracted or disconnected, and the load branch is electrified or disconnected.
When the intelligent power supply wall box is used, the vehicle-mounted power supply wall box is powered on through the air switch, and the intelligent power supply wall box automatically judges the power supply input type, namely mains supply input, generator input or direct current input; the specific process is that the logic controller detects whether the 'mains supply input' has voltage or not, and if the 'mains supply input' has voltage, the first alternating current contactor is connected; if no voltage exists, detecting whether the voltage exists in the generator input, and if the voltage exists, switching on the second alternating current contactor; if the voltage is not available, detecting whether the voltage is available or not at the 'direct current power supply input', and if the voltage is available, switching on a fourth direct current contactor; if no voltage exists, no external power input is available for the vehicle-mounted power supply wall box.
As shown in fig. 5, the specific process is that the HMI clicks an ON start button of the "first dc load branch", if the "second voltage detector" is normal, the "second dc contactor" is turned ON, and if the "second current detector" is normal at the same time, the "first dc load branch" is turned ON; clicking an OFF closing button of a first direct current load branch on the HMI, disconnecting a second direct current contactor and closing the first direct current load branch; clicking an ON start button of a first direct current load branch ON an HMI (human machine interface), if a second voltage detector is normal, switching ON a second direct current contactor, and if a second current detector is abnormal, reporting a fault ON the HMI, wherein the first direct current load branch cannot be started; and clicking an ON starting button of the first direct current load branch ON the HMI, if the second voltage detector is abnormal, reporting a fault ON the HMI, and not starting the first direct current load branch.
Clicking an ON starting button of a 'second direct current load branch circuit' ON the HMI, if the second voltage detector is normal, switching ON a 'third direct current contactor', and if the 'third current detector' is normal, switching ON the 'second direct current load branch circuit'; clicking an OFF closing button of a second direct current load branch circuit on the HMI, disconnecting a third direct current contactor and closing the second direct current load branch circuit; clicking an ON start button of a second direct current load branch circuit ON the HMI, if the second voltage detector is normal, switching ON a third direct current contactor, and if the third current detector is abnormal, reporting a fault ON the HMI, and not starting the second direct current load branch circuit; and clicking an ON starting button of a second direct current load branch ON the HMI, if the second voltage detector is abnormal, reporting a fault ON the HMI, and not starting the second direct current load branch.
Clicking an ON starting button of an AC load branch ON the HMI, and if the fourth voltage detector and the fifth current detector detect normally, starting the AC load branch; clicking an 'alternating current load branch' OFF closing button on an HMI (human machine interface), and closing the alternating current load branch; if the 'alternating current load branch' ON starting button is clicked ON the HMI, if the fourth voltage detector or the fifth current detector detects abnormality, a fault is reported ON the HMI, and the 'alternating current load branch' cannot be started.
The input of the alternating current power supply is connected with the output interface of the direct current load branch or the output interface of the alternating current load branch; the input of the direct current power supply is connected with the output interface of the direct current load branch or the output interface of the alternating current load branch; the alternating current power supply input can supply power to a direct current load branch or an alternating current load branch; the dc power input may supply power to a dc load branch or an ac load branch.
If the mains supply 220V input is adopted to supply power to the direct current load branch, the logic controller detects that the mains supply 220V input has voltage, the first alternating current contactor is connected, a surge protector and a first leakage protector 4 are sequentially arranged on an output circuit of the first alternating current contactor, the first leakage protector 4 is connected with the rectifier, a first voltage detector and a first current detector are arranged on a circuit between the first leakage protector 4 and the rectifier, if the first voltage detector and the first current detector detect normally, the rectifier is connected, and a first direct current contactor is arranged on an output circuit of the rectifier; clicking an ON starting button of a first direct current load branch ON an HMI (human machine interface), if a second voltage detector is normal, switching ON a second direct current contactor, and if a second current detector is normal, switching ON the first direct current load branch; and clicking an ON starting button of the second direct current load branch ON the HMI interface, if the second voltage detector is normal, switching ON the third direct current contactor, and if the third current detector is normal, switching ON the second direct current load branch.
If the mains supply 220V input is adopted to supply power to the AC load branch, the logic controller detects that the mains supply 220V input has voltage, the first AC contactor is switched ON, a surge protector and a first leakage protector 4 are sequentially arranged ON an output circuit of the first AC contactor, the first leakage protector 4 is connected with a third AC contactor, a first voltage detector and a first current detector are arranged ON a circuit between the first leakage protector 4 and the third AC contactor, if the first voltage detector and the first current detector detect normally, the third AC contactor is switched ON, a second leakage protector 5, a fourth voltage detector and a fifth current detector are sequentially arranged ON an output circuit of the third AC contactor, an ON start button of the AC load branch is clicked ON an HMI interface, if the fourth voltage detector and the fifth current detector detect normally, the ac load branch is opened.
If the generator input is adopted to supply power to the direct current load branch, the logic controller detects that the generator input has voltage, the second alternating current contactor is connected, a surge protector and a first leakage protector 4 are sequentially arranged on an output circuit of the second alternating current contactor, the first leakage protector 4 is connected with a rectifier, a first voltage detector and a first current detector are arranged on a circuit between the first leakage protector 4 and the rectifier, if the first voltage detector and the first current detector detect normally, the rectifier is connected, and a first direct current contactor is arranged on an output circuit of the rectifier; clicking an ON starting button of a first direct current load branch ON an HMI (human machine interface), if a second voltage detector is normal, switching ON a second direct current contactor, and if a second current detector is normal, switching ON the first direct current load branch; and clicking an ON starting button of the second direct current load branch ON the HMI interface, if the second voltage detector is normal, switching ON the third direct current contactor, and if the third current detector is normal, switching ON the second direct current load branch.
If the input of the generator is adopted to supply power to the AC load branch, the logic controller detects that the input of the generator has voltage, the second AC contactor is switched on, the output circuit of the second AC contactor is sequentially provided with the surge protector and the first leakage protector 4, the first leakage protector 4 is connected with the third AC contactor, a circuit between the first leakage protector 4 and the third AC contactor is provided with a first voltage detector and a first current detector, if the first voltage detector and the first current detector detect normally, then a third AC contactor is connected, a second leakage protector 5, a fourth voltage detector and a fifth current detector are sequentially arranged on an output circuit of the third AC contactor, and clicking an ON starting button of the AC load branch ON the HMI interface, and if the fourth voltage detector and the fifth current detector detect normally, starting the AC load branch.
If the direct current power supply input is adopted to supply power to the direct current load branch, the logic controller detects that the direct current power supply input has voltage, the fourth direct current contactor is connected, a circuit between the fourth direct current contactor and the fifth direct current contactor is provided with a fourth current detector and a third voltage detector, if the fourth current detector and the third voltage detector detect normally, the fifth direct current contactor is connected, and the fifth direct current contactor is connected with the second voltage detector; clicking an ON starting button of a first direct current load branch ON an HMI (human machine interface), if a second voltage detector is normal, switching ON a second direct current contactor, and if a second current detector is normal, switching ON the first direct current load branch; and clicking an ON starting button of the second direct current load branch ON the HMI interface, if the second voltage detector is normal, switching ON the third direct current contactor, and if the third current detector is normal, switching ON the second direct current load branch.
If the direct current power supply input is adopted to supply power to the alternating current load branch, the logic controller detects that the direct current power supply input has voltage, the fourth direct current contactor is connected, a circuit between the fourth direct current contactor and the fifth direct current contactor is provided with a fourth current detector and a third voltage detector, if the fourth current detector and the third voltage detector detect normally, the fifth direct current contactor is connected, an inverter, a fourth alternating current contactor, a second leakage protector 5, a fourth voltage detector and a fifth current detector are sequentially arranged ON a fifth direct current contactor output circuit, an ON starting button of an alternating current load branch is clicked ON an HMI interface, and if the fourth voltage detector and the fifth current detector detect normally, the alternating current load branch is started.
Generally, only one power input mode is used among the mains supply 220V input mode, the generator input mode and the direct-current power input mode, when a mains supply interface is arranged nearby a vehicle, the mains supply 220V input mode is adopted, when the vehicle is in a field environment, the generator input mode can be adopted, and when the mains supply interface and the generator are not available, the direct-current power input mode of a storage battery can be adopted; each power input can supply power to all of the dc load branches and the ac load branches.
If the utility power, the generator and the direct current power supply are simultaneously switched on, the logic controller can select one of the power supplies according to the priority order, for example, the utility power 220V input is preferentially used.
The utility model adopts an electronic control chip which can realize a logic function in a programmable way to control the circuit work, and controls the circuit work through a software program to realize the intelligent operation of the vehicle-mounted power supply wall box circuit; voltage and current signals of each branch circuit are acquired to a logic controller, the controller is communicated with an HMI (human machine interface), and the on-off of each branch circuit contactor is controlled by programming the controller; voltage and current signals in the circuit are acquired to a logic controller, and the controller is communicated with the HMI through RS232\ RS485 and the like; and the voltage and current states are detected through the programming of the controller and the HMI, so that the on-off control of each branch is realized.
The voltage detector or the current detector may be a voltage sensor or a current sensor; or may be an integrated circuit board; when the detected voltage or current exceeds 10%, the control program can cut off the contactor of the related branch circuit to play a role in protecting the circuit; the circuit is then manually inspected for cause.
The temperature sensor is arranged in the vehicle-mounted power supply wall box and is fixed on the inner wall of the vehicle-mounted power supply wall box through a screw and a bracket, and the temperature sensor can be fixed on the inner wall of the wall box close to the rectifier or the inverter and on the inner wall of the side opposite to the current sensor and the voltage sensor in consideration of higher heat generated in the work of the rectifier or the inverter; the temperature sensor is electrically connected with the HMI interface, and data of the temperature sensor can be displayed on the touch screen; when the detection data of the temperature sensor is higher than 10% of the set data, the contactor of the relevant branch circuit is disconnected in the process sequence, and the circuit is protected; the circuit is then manually inspected for cause.
The voltage detection data, the current detection data and the temperature sensor data can be displayed on the HMI.
The structure and the size of the power supply wall box are 4U according to the U-shaped design of the server rack, and the structure and the size of the wall box are more beneficial to being embedded into a vehicle body.
Finally, it should be noted that: while the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that various changes in the form and details may be made therein without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Claims (10)
1. An intelligent vehicle-mounted power supply wall box is characterized in that an alternating current power supply input interface, a direct current power supply input interface (8), a direct current load branch output interface (10), an alternating current load branch output interface (11) and an air switch (2) are arranged on an outer panel of the intelligent vehicle-mounted power supply wall box; the intelligent vehicle-mounted power supply wall box is characterized in that a mounting plate, a rectifier, an inverter, a plurality of direct current contactors, a control chip, a plurality of current sensors, a plurality of voltage sensors and a plurality of alternating current contactors are arranged in the intelligent vehicle-mounted power supply wall box; the mounting plate is fixed inside the intelligent vehicle-mounted power supply wall box; the rectifier, the inverter, the plurality of direct current contactors and the plurality of alternating current contactors are respectively fixed on the mounting plate; the control chip is fixed on a bracket, and the bracket is fixed on the mounting plate; the plurality of current sensors and the plurality of voltage sensors are respectively fixed on the side wall in the intelligent vehicle-mounted power supply wall box; a human-computer interface HMI (1), a first leakage protector (4), a second leakage protector (5) and a surge protector (13) are further arranged on an outer panel of the intelligent vehicle-mounted power supply wall box; the rectifier, the inverter, the direct current contactors, the control chip, the current sensors, the voltage sensors, the alternating current contactors, the human-computer interface HMI (1), the first leakage protector (4), the second leakage protector (5), the air switch (2) and the surge protector (13) are electrically connected with the direct current load branch output interface (10) or the alternating current load branch output interface (11).
2. The intelligent vehicle-mounted power supply wall box according to claim 1, wherein the alternating current power supply input interface, the direct current power supply input interface (8), the direct current load branch output interface (10) and the alternating current load branch output interface (11) are located on the same outer panel of the intelligent vehicle-mounted power supply wall box; the human-computer interface HMI (1), the air switch (2), the first leakage protector (4), the second leakage protector (5) and the surge protector (13) are positioned on the same outer panel of the intelligent vehicle-mounted power supply wall box; the outer panel where the alternating current power supply input interface, the direct current power supply input interface (8), the direct current load branch output interface (10) and the alternating current load branch output interface (11) are located is arranged opposite to the outer panel where the human-computer interface HMI (1), the air switch (2), the first leakage protector (4), the second leakage protector (5) and the surge protector (13) are located.
3. The intelligent vehicle-mounted power supply wall box according to claim 1, wherein a groove is formed in the periphery of the inner wall of the intelligent vehicle-mounted power supply wall box, and the mounting plate is fixed in the groove.
4. The intelligent vehicle-mounted power supply wall box according to claim 1, wherein the rectifier, the inverter and the plurality of direct current contactors are provided with mounting holes, the mounting plate is provided with through holes, and the rectifier, the inverter and the plurality of direct current contactors are fixed on the mounting plate through the mounting holes, the through holes and screws.
5. The intelligent vehicular power supply wall box according to claim 1, wherein the plurality of current sensors and the plurality of voltage sensors are respectively fixed on the first guide rail; a plurality of alternating current contactors are fixed on the second guide rail; the first guide rail for fixing the plurality of current sensors and the plurality of voltage sensors is fixed on the side wall in the intelligent vehicle-mounted power supply wall box through screws; and the second guide rail for fixing the plurality of alternating current contactors is fixed on the mounting plate through screws.
6. The intelligent vehicular power supply wall box according to claim 1, wherein the plurality of current sensors is five, namely, a first current sensor, a second current sensor, a third current sensor, a fourth current sensor, a fifth current sensor, a sixth current sensor, a fourth current sensor, a fifth current sensor, a wall box, an internal to a wall box, an intelligent vehicular power supply, a wall box for a vehicular power supply, a vehicular power supply, a vehicular power supply vehicular; the number of the direct current contactors is five, namely, the direct current contactors are a first direct current contactor, a second direct current contactor, a third direct current contactor and a fourth direct current contactor, and the five direct current contactors are arranged together in the wall box; the number of the voltage sensors is four, namely a first voltage sensor, a second voltage sensor, a third voltage sensor and a fourth voltage sensor, and the four voltage sensors are arranged together inside the wall box; the number of the plurality of alternating current contactors is four, and the four alternating current contactors are respectively a first alternating current contactor, a second alternating current contactor, a third alternating current contactor, a fourth alternating current contactor and a fourth alternating current contactor, and the four alternating current contactors are arranged together on the mounting plate.
7. The intelligent vehicle-mounted power supply wall box according to claim 1, wherein the control chip is fixed on a bracket, and the bracket is fixed on the mounting plate through a screw; five direct current contactors are arranged below the bracket; the control chip layer is stacked above the five ac contactors.
8. The intelligent vehicle-mounted power supply wall box according to claim 1, wherein a temperature sensor is further arranged in the intelligent vehicle-mounted power supply wall box, and the temperature sensor is fixed on the inner wall of the wall box close to the rectifier or the inverter and on the inner wall of the side opposite to the current sensor and the voltage sensor; the temperature sensor is electrically connected with the human-machine interface HMI.
9. The intelligent vehicle-mounted power supply wall box according to claim 1, wherein the alternating current power supply input interface comprises a mains supply 220V input interface (6) and a generator input interface (7), the mains supply 220V input interface (6) is connected with the first alternating current contactor, and the generator input interface (7) is connected with the second alternating current contactor; the first alternating current contactor and the second alternating current contactor are both connected with a surge protector (13), and the first alternating current contactor and the second alternating current contactor are connected with the surge protector after being connected in parallel; the direct-current power supply input interface (8) is connected with a fourth direct-current contactor, a fifth direct-current contactor is arranged on an output circuit of the fourth direct-current contactor, and a fourth current detector and a third voltage detector are arranged on a circuit between the fourth direct-current contactor and the fifth direct-current contactor; a first leakage protector (4) is arranged on an output circuit of the surge protector (13);
the first leakage protector (4) is simultaneously connected with the rectifier and the third alternating current contactor, the rectifier and the third alternating current contactor are connected in parallel, the first leakage protector (4) is connected with the rectifier and the third alternating current contactor in series, and a first voltage detector and a first current detector are arranged on a circuit between the first leakage protector (4) and the rectifier and the third alternating current contactor;
a first direct current contactor is arranged on the output circuit of the rectifier;
the first direct current contactor and the fifth direct current contactor are connected in parallel and then connected with a second voltage detector, the second voltage detector is connected with a second direct current contactor and a third direct current contactor, and the second direct current contactor and the third direct current contactor are connected in parallel.
10. The intelligent vehicle-mounted power supply wall box according to claim 9, wherein the second dc contactor is connected to the output interface of the first dc load branch, and a second current detector is arranged on a circuit between the second dc contactor and the output interface of the first dc load branch;
the third direct current contactor is connected with the output interface of the second direct current load branch circuit, and a third current detector is arranged on a circuit between the third direct current contactor and the output interface of the second direct current load branch circuit;
a fourth current detector, a third voltage detector, a fifth direct current contactor, an inverter, a fourth alternating current contactor and a second leakage protector (5) are sequentially arranged on an output circuit of the fourth direct current contactor in series, and the second leakage protector (5) is connected with an output interface of the alternating current load branch;
the third alternating current contactor and the fourth alternating current contactor are connected in parallel and then are connected with a second leakage protector (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123362222.2U CN216819695U (en) | 2021-12-29 | 2021-12-29 | Intelligent vehicle-mounted power supply wall box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123362222.2U CN216819695U (en) | 2021-12-29 | 2021-12-29 | Intelligent vehicle-mounted power supply wall box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216819695U true CN216819695U (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123362222.2U Active CN216819695U (en) | 2021-12-29 | 2021-12-29 | Intelligent vehicle-mounted power supply wall box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216819695U (en) |
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2021
- 2021-12-29 CN CN202123362222.2U patent/CN216819695U/en active Active
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