CN218602975U

CN218602975U - Vehicle-mounted inverter

Info

Publication number: CN218602975U
Application number: CN202223205586.4U
Authority: CN
Inventors: 吴振河
Original assignee: Beijing Hengdian Power Supply Equipment Co ltd
Current assignee: Beijing Hengdian Power Supply Equipment Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-03-10
Anticipated expiration: 2032-11-29

Abstract

The utility model relates to a distribution equipment technical field, especially a vehicle-mounted inverter, include the cabinet body and arrange in power module, switch module, the control module in the cabinet body, switch module and control module respectively with the power module electricity is connected, the guide rail that sets up in pairs has in the cabinet body, and is corresponding, power module's both sides limit has first rail brackets, power module passes through first rail brackets install in the guide rail. The utility model discloses a modular design, power can double extension, and power module is pluggable, simple to operate, and it is safe convenient when extracting, not only greatly reduced construction cost, still guaranteed the convenience and the quick repairability of field maintenance.

Description

Vehicle-mounted inverter

Technical Field

The utility model relates to a distribution equipment technical field, especially a vehicle-mounted inverter.

Background

In recent years, the medical industry widely uses vehicle-mounted inverter power supplies to supply power to vehicle-mounted medical equipment and develop diagnosis and treatment activities, and the vehicle-mounted inverter power supplies are used as mobile hospitals in certain specific occasions. The core of a large-scale inverter power supply is a power module, the power module is designed aiming at the individuation of a specific project, the power part is not possible to be produced in large scale, the structural design is not possible to be completely unified, the larger the power of the inverter power supply is, the more complex the structural design is, and the higher the requirement on reliability is.

Meanwhile, the power module is also a frequently-failed part of the inverter power supply, which brings great challenges to the maintainability of the large inverter power supply. For a high-power vehicle-mounted inverter, the transportation and installation in place usually take time and labor, once a fault occurs, the replacement of the whole inverter is almost impossible, the rapid repair on site becomes the only option, and the easy-maintenance design of the high-power inverter is very important.

Common on-vehicle invertion power supply adopts relative loose overall arrangement for the complete machine is high bulky, reaches 1800mm height usually, and the front and back door all need be opened during the maintenance moreover, often is not suitable for the limited removal medical treatment in space and uses the car. Therefore, the modular design of the high-power vehicle-mounted inverter power supply is a trend and an urgent need.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes above-mentioned shortcoming provides a compact structure, maintenance swift on-vehicle inverter.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a vehicle-mounted inverter includes the cabinet body and arranges in power module, switch module, the control module in the cabinet body, switch module and control module respectively with the power module electricity is connected, a plurality of guide rails that set up in pairs have in the cabinet body, and is corresponding, power module's both sides limit has first rail brackets, power module passes through first rail brackets install in the guide rail.

Further, an upper bottom plate can be arranged in the cabinet body, the inner space of the cabinet body is divided into an upper half and a lower half by the upper bottom plate, and the guide rails arranged in pairs are respectively fixed on the top of the cabinet body and the upper bottom plate.

Further, the power module can include a first mounting plate with a radiator, and further include an IGBT, a driving circuit board, and a capacitor module fixed on the first mounting plate, and the first rail brackets are fixed on opposite two side edges of the first mounting plate.

Further, the number of the power modules may be at least two.

Further, still can include with the module of charging that the power module electricity is connected, the module of charging includes the second mounting panel, still including fixing charger on the second mounting panel, the relative both sides edge of second mounting panel is provided with second guide rail bracket, the module of charging pass through second guide rail bracket install in the guide rail.

Further, the switch module may be secured within the lower half of the cabinet body.

Furthermore, an isolation transformer can be arranged in the lower half of the cabinet body, and the isolation transformer is also electrically connected with the control module and connected with the output end of the power module.

Furthermore, an upper panel hinged with the cabinet body can be installed between the upper half of the cabinet body, and the control module is fixedly installed on the upper panel.

Further, a display panel can be further installed on the outer side of the upper panel of the cabinet body, and a liquid crystal display screen is installed on the display panel and hinged to the cabinet body.

The utility model discloses a modular design, with the power module design for can dismantle, interchangeable independent module, not only power can double extension, moreover power module utilizes the guide rail to install at the cabinet internally, but realizes plug, simple to operate, and it is safe convenient, not only greatly reduced construction cost, still guaranteed the convenience and the quick repairability of field maintenance. The utility model discloses well each module height is integrated, compact structure, has both fully considered the maintenance convenience of mobile medical equipment, has considered the very limited installation space of mobile medical vehicle again to satisfy user's all-round demand.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is an enlarged view of the power module of FIG. 1;

FIG. 3 is a schematic block diagram of a preferred embodiment of the present invention;

fig. 4 is a schematic structural diagram of the preferred embodiment of the present invention in the state where the power module is pushed in.

Detailed Description

As shown in fig. 1, is a schematic structural diagram of a preferred embodiment of the present invention.

This preferred embodiment includes the cabinet body 1 and arranges power module 2 and switch module 3 in the cabinet body 1 in, wherein, power module is in and takes the position out, power module 2 with switch module 3 electricity is connected, an upper plate 11 has in the cabinet body, will cabinet body inner space partition is for first half within a definite time and second half within a definite time, have two sets of

guide rails

12, 13 that set up in pairs in the first half within a definite time, every top of fixing respectively on upper plate 11 and in the cabinet body 1, it is corresponding, power module 2's upper and lower both sides limit has first guide rail bracket 21, power module 2 passes through first guide rail bracket 21 install in guide rail 12. The switch module 3 is fixed between the lower half of the cabinet body 1, is electrically connected with the power module 2, and is used for controlling the on-off of a loop where the power module 2 is located.

As shown in fig. 2, which is an enlarged view of the power module 2 of fig. 1. Power module 2 is including the first mounting panel 22 that has the radiator, still including fixing IGBT 23 (insulated gate bipolar transistor), drive circuit board 24, electric capacity subassembly 25 on the first mounting panel 22, first rail brackets 21 is fixed the upper and lower both sides edge of mounting panel 22, power module 2 through female 26 connecting wire that arranges, the realization with switch module 3 electricity is connected.

Still be provided with another pair of guide rail 13 and the module 4 that charges in the cabinet body 1, the module 4 that charges includes second mounting panel 41, fixed mounting in charger (not marking in the figure) on the second mounting panel 41, be fixed in second guide rail bracket (not marking in the figure) of second mounting panel 41 upper and lower both sides edge, the module 4 that charges pass through second guide rail bracket install in guide rail 13 in the cabinet body 1. The charger converts an external alternating current power supply into direct current, provides the direct current to load electric equipment or the power module after filtering, and can also be used for charging a storage battery to realize the storage of electric energy.

As shown in fig. 3, for the electrical schematic block diagram of the preferred embodiment of the present invention, the dotted line frame is the modules in the preferred embodiment, the charging module, the power module, the isolation transformer and the power distributor are connected in sequence, the charging module converts the external 220V commercial power into electric energy, or directly stores the electric energy stored in the external electric energy storage unit (such as a storage battery) through the power module, the power module is inverted and converted into alternating current, and then the isolation transformer regulates the voltage, outputs a three-phase 380V power, and finally distributes the output to the external power consumption device (such as a medical CT system) through the power distributor. The switch module can comprise a plurality of switches and circuit breakers and is used for connecting and controlling the on-off of each module in the loop, and the control module comprises a control circuit arranged on the circuit board and is used for connecting, controlling and adjusting the operation parameters of each module. The isolation transformer is arranged in the middle of the lower half part in the cabinet body, and the input and output of the isolation transformer are in double grounding protection, so that the safety protection problem of the vehicle-mounted mobile equipment is effectively solved.

When power module 2 is out of order, through switch module 3 disconnection electricity is connected to loosen fixedly being used for the screw of power module 2, rethread pulling power module 2 will power module 2 is pulled out from the cabinet body 1 along with guide rail 12, the IGBT or other trouble components of damage that can be convenient change can also be changed whole power module, realize quick fault repair. Similar to the power module 2, when the charging module 4 fails, the charging module can be conveniently pulled out of the cabinet body 1 along the guide rail 12, and the connecting wire is disconnected, so that convenient maintenance and replacement can be realized.

Fig. 4 is a schematic structural diagram of the preferred embodiment of the present invention in the state where the power module is pushed in. Install between the first half of the cabinet body 1 with cabinet body articulated top panel 5, control module can include one or several circuit boards that have control circuit, fixed mounting in on top panel 5 or in its cavity, and with power module 2 electricity and so on are connected for set up and control each item parameter to power module 2.

A display panel 6 is further installed on the outer side of the upper panel 5 of the cabinet body 1, and a liquid crystal display screen 61 is installed on the display panel 6 and is also hinged to the cabinet body 1. The upper panel 5 and the display panel 6 are respectively hinged with the cabinet body 1 to form two cabinet doors which are opened in sequence, the two panels are both in a closed state in a working running state, the display panel 6 and the upper panel 5 are opened in sequence during maintenance, and the power module 2 and the charging module 4 in the cabinet body 1 are exposed so as to be maintained and installed.

From the above structure, the preferred embodiment has compact installation structure, very high integration, flexibility and compactness, and is particularly suitable for being used as a vehicle-mounted power supply, for example, being applied to a very limited installation space of a mobile medical vehicle and the like. When 220V civil commercial power is connected to realize power supply, a three-phase 380V power supply is output, the charging module 4 provides a charging function, and the power supply is output through inversion in the environment of the unpowered power supply.

The control module, the charging module, the power module, the isolation transformer and other functional modules are independent, and installation and maintenance are facilitated. The power module with higher fault rate, the module that charges etc. set up between the first half of the cabinet body, and top panel and display panel can conveniently open and shut, after opening top panel and display panel, loosen the fastener (like set screw etc.) that is used for fixed power module or the module that charges, stimulate hard slightly, can take out pluggable power module 2 and the module 4 that charges from the cabinet body 1, and it is very convenient to maintain the maintenance. As a variation of the above preferred embodiment, two sets of power modules 2 may be disposed in parallel between the upper half of the cabinet, and the capacity expansion is realized by connecting two or more sets of power modules in parallel according to the system battery configuration.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

The vehicle-mounted inverter provided by the present invention is introduced in detail, and the principle and the implementation of the present invention are explained by using specific examples, and the explanation of the above examples is only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. A vehicle-mounted inverter is characterized in that: the intelligent cabinet comprises a cabinet body, and a power module, a switch module and a control module which are arranged in the cabinet body, wherein the switch module and the control module are respectively electrically connected with the power module, a plurality of guide rails which are arranged in pairs are arranged in the cabinet body, correspondingly, first guide rail supports are arranged on two side edges of the power module, and the power module is installed on the guide rails through the first guide rail supports.

2. The vehicle-mounted inverter device according to claim 1, wherein: the internal upper plate that is provided with of cabinet, the upper plate will cabinet body inner space partition is between first and second, the guide rail that sets up in pairs is fixed in the top of the cabinet body respectively with on the upper plate.

3. The vehicle-mounted inverter device according to claim 1 or 2, characterized in that: the power module comprises a first mounting plate with a radiator, an IGBT, a driving circuit board and a capacitor assembly, wherein the IGBT, the driving circuit board and the capacitor assembly are fixed on the first mounting plate, and the first guide rail support is fixed on two opposite side edges of the first mounting plate.

4. The vehicle-mounted inverter device according to claim 1 or 2, characterized in that: the number of the power modules is at least two.

5. The vehicle-mounted inverter device according to claim 1 or 2, characterized in that: still include with the module of charging that the power module electricity is connected, the module of charging includes the second mounting panel, still including fixing charger on the second mounting panel, the relative both sides edge of second mounting panel is provided with second guide rail bracket, the module of charging passes through second guide rail bracket install in the guide rail.

6. The vehicle-mounted inverter device according to claim 2, wherein: the switch module is fixed between the lower half parts in the cabinet body.

7. The vehicle-mounted inverter device according to claim 2, wherein: and an isolation transformer is also arranged in the lower half part in the cabinet body, and the isolation transformer is also electrically connected with the control module and is connected with the output end of the power module.

8. The vehicle-mounted inverter device according to claim 2, wherein: an upper panel hinged with the cabinet body is installed between the upper half of the cabinet body, and the control module is fixedly installed on the upper panel.

9. The vehicle-mounted inverter device according to claim 7, wherein: the outside of the top panel of the cabinet body still installs display panel, display panel is last to install liquid crystal display, and with the cabinet body is articulated.