Source load and waterway arrangement system

Abstract

The utility model discloses a source load and waterway arrangement system, which relates to the technical field of automobile vehicle-mounted charger test equipment, and comprises a cabinet body, a plurality of rows of product areas, a plurality of rows of load areas and a plurality of rows of waterway areas are integrated on the cabinet body, the number of the load areas is equal to that of the product areas, the load areas and the product areas are adjacently arranged, and the load areas are used for providing power sources required by testing for products in the corresponding product areas; the number of the waterway areas is one half of the number of the product areas, and each row of waterway areas is located between the two adjacent rows of product areas and used for providing cooling support for the two adjacent rows of product areas; the product area, the load area and the waterway area are arranged according to the specific sequence and the quantitative relation, the utilization rate of the cabinet space is greatly improved, the phenomenon that various pipelines in traditional testing equipment are disordered is avoided, and the overall layout of the testing equipment is more compact and reasonable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile vehicle charging machine test equipment, specifically to a source load and water route arrangement system. BACKGROUND

[0002] Under the background of continuous innovation in modern electric vehicle technology, as a key component of electric vehicle power conversion, the performance of on-board charger (OBC) directly affects the core indicators such as charging efficiency, range and safety of the whole vehicle. In order to ensure that OBC can operate stably and efficiently in actual use, comprehensive and accurate performance testing is essential.

[0003] For example, the patent with publication number CN215005639U "a vehicle-mounted charger automatic test system", which covers test power supply, load, host computer, CAN communication module and other parts, can realize automatic test of vehicle-mounted charger; for example, the patent with publication number CN222087781U "a vehicle-mounted charger, power converter aging test equipment and device", which connects high-voltage bidirectional DC power supply, low-voltage bidirectional DC power supply and other equipment through industrial computer, aims to solve the problem of low efficiency and high cost caused by manual test of OBC and DC / DC converter, and can meet the demand of batch test to some extent.

[0004] In the traditional OBC test process, there are still many difficult problems. For example, the heat dissipation management is facing severe challenges. OBC will generate a lot of heat when running. In order to ensure the accuracy of test and the safety of equipment, heat dissipation is needed in time. However, in the past, the cooling method of each charger was adopted, and various cooling pipelines were complex, which led to disordered test space and low cooling efficiency. This not only makes it difficult to quickly dissipate heat and affects the accuracy of test results, but also may cause permanent damage to OBC due to overheating, frequently interrupt the test process, and greatly reduce the test efficiency.

[0005] Therefore, it is necessary to provide an improved technical scheme to solve the above problems. UTILITY MODEL CONTENT

[0006] The utility model aims to provide a technical scheme that can solve the above problems.

[0007] A source load and water route arrangement system, comprising a cabinet, the cabinet is integrated with multiple product areas, multiple load areas and multiple water route areas, wherein:

[0008] The product area is used for placing products to be tested;

[0009] A load area is arranged adjacent to the product area and is used to provide the product in the corresponding product area with power required for testing;

[0010] A waterway area is arranged between two adjacent product areas and is used to provide the two adjacent product areas with cooling support.

[0011] As a further scheme of the utility model, the areas in the cabinet are arranged in the order of "load area-product area-waterway area-product area-load area" along the horizontal direction.

[0012] As a further scheme of the utility model, the product area is provided with a plurality of independent placing positions, and the load area is provided with a plurality of power modules, and the plurality of power modules correspond to the plurality of placing positions one by one.

[0013] As a further scheme of the utility model, the power module is a bidirectional power module.

[0014] As a further scheme of the utility model, the waterway area is provided with a water inlet pipeline and a water return pipeline, the water inlet pipeline is connected to an external cooling device and is used to deliver cooling medium to the two adjacent product areas, and the water return pipeline is used to return the heated cooling medium to the external cooling device for cooling treatment.

[0015] As a further scheme of the utility model, the waterway area is further provided with a water blowing pipeline and is used to blow the two adjacent product areas.

[0016] As a further scheme of the utility model, the water inlet pipeline, the water return pipeline and the water blowing pipeline of the waterway area are connected to each other through a three-way connection assembly, and an electromagnetic valve is arranged on each connection branch.

[0017] In the testing stage, the electromagnetic valves of the water inlet pipeline and the water return pipeline are opened, and the electromagnetic valve of the water blowing pipeline is closed; in the post-testing drying stage, the electromagnetic valve of the water blowing pipeline is opened, and the electromagnetic valves of the water inlet pipeline and the water return pipeline are closed.

[0018] As a further scheme of the utility model, the water return pipeline is provided with a flow sensor.

[0019] The water inlet pipeline and the water return pipeline are respectively provided with temperature sensors.

[0020] As a further scheme of the utility model, each placing position is matched with a positioning jig corresponding to the product.

[0021] As a further scheme of the utility model, the source load and waterway arrangement system comprises a plurality of cabinets, every two cabinets are arranged oppositely and are connected to each other, and jointly form a testing system, and a working space for operators is formed between the two cabinets.

[0022] Compared with the prior art, the utility model has the beneficial effects as follows:

[0023] 1) Optimize space layout: by arranging product area, load area and waterway area according to specific order and quantity relation, the utilization rate of cabinet space is greatly improved, the phenomenon that various pipelines are in disorder in traditional test equipment is avoided, and the overall layout of test equipment is more compact and reasonable.

[0024] 2) High-efficiency heat dissipation: each column waterway area provides cooling support for adjacent two columns product area, combined with the design of inlet water pipeline, return water pipeline and blow water pipeline and the precise control of electromagnetic valve on waterway, high-efficiency heat dissipation circulation is realized; heat generated by products can be quickly taken away during the test process, the stability of test environment is ensured, and the accuracy of test result is improved; the pipeline is blown dry in time after the test, prolonging the service life of equipment.

[0025] 3) Precise test: the bidirectional power module of load area can simulate multiple working conditions to provide more comprehensive test conditions for products; the positioning fixture of product area ensures accurate product placement, reducing test errors caused by product position deviation; the flow sensor and temperature sensor monitor waterway parameters in real time, facilitating precise regulation and control of the test process, further improving the accuracy and reliability of the test.

[0026] 4) Easy operation and maintenance: the cabinet is relatively arranged to form an operation space, facilitating equipment operation and maintenance of operating personnel; the layout of each area is reasonable, and the line connection is clear, reducing the difficulty and cost of equipment maintenance and improving the maintainability of the equipment.

[0027] Additional aspects and advantages of the utility model will be partially given in the following description, some will become apparent from the following description, or will be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying the creative labor.

[0029] Figure 1 It is the structural schematic diagram of the utility model;

[0030] Figure 2 It is the plane structure schematic diagram of one view of the utility model;

[0031] Figure 3 It is the plane structure schematic diagram of another view of the utility model;

[0032] Figure 4 is the structure diagram of the positioning jig cooperating with the product in the utility model;

[0033] Figure 5 is the water route arrangement schematic view of the utility model.

[0034] Figure 6 is the water route control schematic view of the utility model.

[0035] Figures 7-8 is the test control schematic view of the utility.

[0036] The reference signs and names in the drawing are as follows:

[0037] 1, cabinet body; 2, product area; 3, load area; 4, water route area; 5, placement position; 6, power module; 7, water inlet pipeline; 8, water return pipeline; 9, water blowing pipeline; 10, positioning jig; 11, operation space; 12, water route control unit; 13, connecting pipe fitting; 14, water inlet pipe interface; 15, water return pipe interface. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0039] Please refer to Figures 1-8 In the embodiments of the utility model, a source load and water route arrangement system, the core lies in the cabinet body 1 structure, the cabinet body 1 is integrated with multiple product areas 2, multiple load areas 3 and several water route areas 4.

[0040] The product area 2 is mainly used for placing the vehicle-mounted charger product to be tested, and the product area 2 is provided with multiple placement positions 5, each placement position 5 can be designed according to the product shape and size, to ensure that the product is placed stably and is convenient for electrical connection.

[0041] The load area 3 is arranged adjacent to the product area 2 with the same number of columns, and the load area 3 is provided with multiple power modules 6, which are one-to-one corresponding to the placement positions 5 of the product area 2, and each power module 6 has the ability to provide the required power for the vehicle-mounted charger of the corresponding product area 2.

[0042] The number of waterway areas 4 is half of the number of product areas 2, and each column of waterway areas 4 is located between two adjacent columns of product areas 2. The main function of the waterway areas 4 is to provide cooling support for the two adjacent columns of product areas 2, so as to ensure that the heat generated by the vehicle charger during the test process can be dissipated in time.

[0043] The layout of each area in the cabinet body 1 follows the order of "load area 3-product area 2-waterway area 4-product area 2-load area 3" arranged along the horizontal direction. This layout optimizes the space utilization of the cabinet body 1 to some extent, and facilitates the connection of lines between areas and subsequent maintenance work.

[0044] The multiple independent placement positions 5 in the product area 2 correspond to the multiple power modules 6 in the load area 3 in a precise manner, that is, each placement position 5 is equipped with an appropriate electrical connection port, which can be reliably connected with the product to be tested, ensuring the stability and accuracy of power supply.

[0045] The power module 6 of the load area 3 is a bidirectional power module 6, which has the ability to output bidirectional current. The bidirectional module realizes the bidirectional conversion of alternating current and direct current. It is designed with DSP to ensure the stability of AC / DC and DC / DC bidirectional performance. Its DC / DC adopts high-frequency isolation bidirectional conversion technology, i.e. soft-switching resonance technology, which has high efficiency and bidirectional energy flow of the converter. It supports module parallel function, automatic current sharing, RS485 communication, and convenient communication and control with third-party equipment. The bidirectional power supply is widely used in battery formation and distribution, emergency power supply, 5G base station energy storage, and equipment aging, etc. It is the preferred product for industries that require bidirectional energy flow. By adjusting the output parameters of the bidirectional power module 6, various test conditions can be simulated to meet the diversified test needs of vehicle chargers.

[0046] The waterway area 4 is provided with a water inlet pipeline 7 and a water return pipeline 8. One end of the water inlet pipeline 7 is connected to an external cooling device, and the other end is connected to the inlet of the cooling medium (such as cooling liquid) of the adjacent two columns of product areas 2, respectively, for delivering the cooling medium to the product area 2 to absorb the heat generated by the vehicle charger. One end of the water return pipeline 8 is connected to the outlet of the cooling medium of the adjacent two columns of product areas 2, and the other end is connected to the external cooling device, forming a circulating loop of the cooling medium. The heated cooling medium is returned to the external cooling device for cooling treatment, realizing continuous and efficient heat dissipation circulation.

[0047] The water route area 4 is further provided with a water blowing pipeline 9, which is used to blow adjacent two product areas 2 after the test is completed. Through the blowing operation, the residual cooling medium in the product can be timely removed, thereby facilitating the normal use, sale, storage and the like of the product in the subsequent stage. In an embodiment, the residual cooling medium in the water inlet pipeline 7 and the water outlet pipeline can also be timely removed through the blowing operation, thereby reducing the possibility of corrosion of the equipment caused by the residual cooling medium and avoiding the influence of the residual medium on the accuracy of the next test.

[0048] The water inlet pipeline 7, the water outlet pipeline 8 and the water blowing pipeline 9 of the water route area 4 can be communicated with each other through a three-way connection assembly, and an electromagnetic valve is installed on each connection branch. In the test stage, the control system controls to open the electromagnetic valves of the water inlet pipeline 7 and the water outlet pipeline 8 and close the electromagnetic valve of the water blowing pipeline 9, so as to ensure smooth circulation of the cooling medium and realize the heat dissipation function. In the post-test drying stage, the control system switches the state of the electromagnetic valve, opens the electromagnetic valve of the water blowing pipeline 9 and closes the electromagnetic valves of the water inlet pipeline 7 and the water outlet pipeline 8, so as to realize the blowing function of the pipeline. Through the precise control of the electromagnetic valve, the switching of the water route function in different stages is effectively realized.

[0049] A flow sensor is installed on the water outlet pipeline 8, which functions to monitor the flow of the cooling medium in the water outlet pipeline 8 in real time. Temperature sensors are installed on the water inlet pipeline 7 and the water outlet pipeline 8 respectively, which are used to monitor the temperature change of the cooling medium before entering the product area 2 and after flowing out of the product area 2. The data collected by these flow sensors and temperature sensors can be fed back to the control system, so as to timely adjust the operating parameters of the cooling system, such as adjusting the refrigeration power of the external cooling device, controlling the opening degree of the flow regulating valve of the water inlet pipeline 7 and the like, thereby ensuring the stability of the heat dissipation effect. The alarm sensor can also be used to warn the operator to realize the adjustment of the human operation.

[0050] A positioning jig 10 corresponding to the product is matched with each placement site 5. The positioning jig 10 is designed according to the shape profile and key positioning points of the product, which can assist the operator to conveniently and accurately place the product to be tested, thereby improving the work efficiency in the test preparation stage. The positioning jig 10 is made of high-strength and insulating material, and the shape is designed according to the shape of the vehicle-mounted charger. It can also be a tray or the like shape to support and support the vehicle-mounted charger. The product can be fixed on the placement site 5 through buckles or bolts and the like to ensure the stability of the product during the test and not to affect the test result. At the same time, the positioning jig 10 can ensure that the product remains in a fixed position during the test process, thereby avoiding the interference of the product shaking on the test result.

[0051] The source load and waterway arrangement system comprises a plurality of cabinets 1, every two cabinets 1 are arranged oppositely and connected with each other through appropriate connecting members, and together form a complete test system; a working space 11 for the operation personnel to move is formed between the two cabinets 1, which is convenient for the operation personnel to operate, maintain and load / unload the products.

[0052] Preferably, the placing position 5 of the product area 2 is provided with a corresponding connecting pipe 13, and the connecting pipe 13 is provided with a water inlet pipe interface 14 corresponding to the water inlet pipe 7 and a water return pipe interface 15 corresponding to the water return pipe 8.

[0053] More specifically,

[0054] During the test, the vehicle-mounted charger to be tested is gently placed on the placing position 5 of the product area 2, so that the positioning features of the product are accurately matched with the positioning fixture 10, and the product placing position 5 is accurately placed; the power supply of the control system is turned on, and the initial output parameters of the power module 6 are checked through the operation interface of the control system, whether the pipeline connection of the waterway system is tight and leak-free, whether the sensors can normally collect data, whether the electromagnetic valves can normally respond to the control instructions, etc., to comprehensively ensure that the equipment is in a normal operating state.

[0055] According to the specific test requirements of the vehicle-mounted charger, such as simulating different charging power, charging time, charging voltage range and the like, the output parameters of the power module 6 are accurately set in the parameter setting interface of the control system, and after the setting is completed, the test program is started, and the power module 6 starts to provide test power for the vehicle-mounted charger of the product area 2 according to the set parameters; at the same time, the control system sends an opening instruction to the electromagnetic valves on the water inlet pipe 7 and the water return pipe 8 through the control output port, and closes the electromagnetic valve of the water blowing pipe 9, the cooling medium flows into the product area 2 from the external cooling device through the water inlet pipe 7 under the action of pressure, exchanges heat with the vehicle-mounted charger, and carries away the heat generated by the vehicle-mounted charger, and the heated cooling medium flows back to the external cooling device through the water return pipe 8 for cooling treatment; during the whole test process, the flow sensor on the water return pipe 8 monitors the flow data of the cooling medium in real time, the temperature sensors on the water inlet pipe 7 and the water return pipe 8 monitor the temperature data before and after the cooling medium enters and exits the product area 2 in real time, and these data are fed back to the control system in real time through the signal transmission line, and the control system automatically adjusts the operating parameters of the cooling system based on the received data, such as appropriately increasing the refrigeration power of the external cooling device according to the temperature signal fed back by the temperature sensor; according to the unstable flow signal fed back by the flow sensor, the opening degree of the flow regulating valve of the water inlet pipe 7 is accurately controlled to ensure that the cooling effect is always in a stable state; as described above, the abnormality is detected through the corresponding alarm sensor and the like, and is fed back to the working platform, and then the corresponding parameters are modified by manual operation.

[0056] Once the test program is complete, the control system sends a closing command to the solenoid valves on the inlet pipe 7 and the return pipe 8 via the control output port. Simultaneously, it opens the solenoid valve on the blow-through pipe 9. Air is then blown into the product area 2 and the water pipes through the blow-through pipe 9. The blowing pressure and time are preset in the control system based on factors such as pipe length, pipe diameter, and the nature of the residual cooling medium to ensure that the residual cooling medium is completely blown out. After purging, the control system closes the solenoid valve on the blow-through pipe 9, and the operator carefully removes the tested on-board charger from the product area 2, completing one full test process. The operator can also remove the tested on-board charger from the workspace 11. The on-board charger to be tested can also be prepared for the next round of testing here. Understandably, a water circuit control unit 12 is set in the water circuit area 4 to integrate the control functions of the solenoid valves of the inlet water pipe 7, the return water pipe 8, and the blow water pipe 9. It can also intelligently and precisely regulate the operation of the entire water circuit system based on the data of the flow sensor and the temperature sensor. Specifically, the water circuit control unit 12 is installed in the water circuit area 4, and its control lines are connected to the solenoid valves of the inlet water pipe 7, the return water pipe 8, and the blow water pipe 9, respectively. At the same time, the signal transmission lines of the flow sensor and the temperature sensor are connected to ensure that the water circuit control unit 12 can obtain sensor data in real time and accurately control the solenoid valves.

[0057] Through the above specific implementation methods, this utility model can solve the problems of difficult heat dissipation management, cluttered test space, and low test efficiency in existing on-board charger testing; by rationally planning the area layout and designing the water system, it can improve the space utilization efficiency of the test equipment, enhance the heat dissipation effect, and thus improve the test efficiency and accuracy.

[0058] Preferably, such as Figure 6 As shown, each product can have a separate water circuit (i.e., inlet water pipe and return water pipe) and air circuit (i.e., blowing water pipe); during the water (cooling medium) process, solenoid valves A and C are energized and conduct, while the others are disconnected; during the blowing water process, solenoid valves B and C are energized and conduct, while the others are disconnected.

[0059] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.

Claims

1. A source-carrying and waterway arrangement system, characterized by, The cabinet is integrated with multiple columns of product areas, multiple columns of load areas, and multiple columns of waterway areas, wherein: The product area is used for placing products to be tested. The load area is equal in number to the product area and is arranged adjacent to the product area, and is used for providing the product in the corresponding product area with power required for testing. The waterway area is half in number of the product area, and each column of waterway areas is located between two adjacent columns of product areas, and is used for providing the two adjacent columns of product areas with cooling support.

2. A source-carrying and waterway arrangement system according to claim 1, characterized in that, The areas in the cabinet are arranged in the order of "load area-product area-waterway area-product area-load area" along the horizontal direction.

3. A source-carrying and waterway arrangement system according to claim 1, characterized in that, The product area is provided with multiple independent placing positions, and the load area is provided with multiple power modules, and the multiple power modules correspond to the multiple placing positions one by one.

4. A source-carrying and waterway arrangement system according to claim 3, characterized in that, The power module is a bidirectional power module.

5. The source-carrying and waterway arrangement system of claim 1, wherein, The waterway area is provided with a water inlet pipeline and a water return pipeline, the water inlet pipeline is connected with an external cooling device, and is used for conveying cooling medium to the two adjacent columns of product areas, and the water return pipeline is used for returning the heated cooling medium to the external cooling device for cooling treatment.

6. A source-carrying and waterway arrangement system according to claim 5, characterized in that, The waterway area is also provided with a water blowing pipeline, which is used for blowing the two adjacent columns of product areas.

7. A source-carrying and waterway arrangement system according to claim 6, characterized in that, The water inlet pipeline, the water return pipeline, and the water blowing pipeline of the waterway area are connected with each other through a three-way connection assembly, and each connection branch is provided with an electromagnetic valve. During the testing stage, the electromagnetic valves of the water inlet pipeline and the water return pipeline are opened, and the electromagnetic valve of the water blowing pipeline is closed; during the post-testing drying stage, the electromagnetic valve of the water blowing pipeline is opened, and the electromagnetic valves of the water inlet pipeline and the water return pipeline are closed.

8. A source-carrying and waterway arrangement system according to claim 5, wherein, The water return pipeline is provided with a flow sensor. The water inlet pipeline and the water return pipeline are each provided with a temperature sensor.

9. A source-carrying and waterway arrangement system according to claim 3, wherein, Each placing position is matched with a positioning jig corresponding to the product.

10. A source-carrying and waterway arrangement system according to any one of claims 1-9, characterized in that, The source load and waterway arrangement system includes multiple cabinets, every two cabinets are arranged oppositely and connected with each other, and jointly form a testing system, and a working space for operators to move is formed between the two cabinets.

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