Direct current system comprehensive parameter tester convenient to use flexibly

By introducing a movable base, pull rod, and lightweight housing design into the DC system tester, combined with a microprocessor and wireless communication module, the problems of large size and heavy weight of traditional testers are solved, achieving lightweight and flexible movement of the tester and improving work efficiency.

CN224152585UActive Publication Date: 2026-04-21SICHUAN BAIZHITONG TESTING TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SICHUAN BAIZHITONG TESTING TECHNOLOGY CO LTD
Filing Date
2025-05-06
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Traditional DC system testers are large and heavy, making them difficult to carry and move, resulting in low work efficiency.

Method used

A DC system comprehensive parameter tester that is easy to use and flexible is designed. It adopts a movable base and pull rod structure, combined with a lightweight and high-strength shell material, and is equipped with a battery power supply. It integrates a microprocessor, data storage and wireless communication module, and has the functions of voltage, current, resistance and power measurement.

Benefits of technology

The tester is lightweight and portable, improving operator efficiency, facilitating tool management and data transmission, and simplifying testing operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a direct current system comprehensive parameter tester convenient to use flexibly, which comprises a tester body, a movable base is arranged at the bottom of the tester body, the movable base is detachably connected with the tester body, a storage box is arranged in front of the movable base, a storage battery is arranged at the rear half part in the movable base, and the storage battery is connected with the tester body. A storage battery in the movable base is electrically connected with the tester body, a pull rod is arranged at the rear end of the movable base, the pull rod is rotatably connected with the movable base, a clamping head is arranged at the top of the rear end of the movable base, the clamping head is clamped on the outer side of the pull rod, and the clamping head is detachably connected with the pull rod. By arranging the movable base and the pull rod, the whole tester can be conveniently and flexibly moved through the movable base and the pull rod, and meanwhile, the tester body is made of a light high-strength shell material, so that the weight of the tester is greatly reduced, an operator can conveniently carry and move the tester, and the working efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the technical field of DC system testing equipment, specifically a DC system comprehensive parameter tester that is easy to use and flexible. Background Technology

[0002] In power systems, the DC system is a crucial component, and accurate measurement of its parameters is essential for stable operation and fault diagnosis. Traditional DC system parameter testers suffer from numerous inconveniences during use. Therefore, some new types of DC system testers have emerged on the market.

[0003] For example, utility model patent CN205193166U discloses a DC system integrated tester, including an integrated test module, an insulation verification module, a ground parameter verification module, a data communication interface, and a power supply module. The integrated test module, insulation verification module, and ground parameter verification module are connected to a first host computer via the data communication interface. The ground parameter verification module is used to test the ground capacitance distribution, ground fault location, and ground insulation degradation in the system, and uploads the test data to the first host computer for analysis and processing, as well as to upload the test data to a second host computer for risk assessment.

[0004] The DC system integrated testers provided by the aforementioned patents are generally integrated into a single housing, which results in a large size and heavy weight of the tester, making it difficult to carry and move. Especially when testing DC systems in different locations is required, operators need to expend a lot of physical strength to move the equipment, reducing work efficiency. Utility Model Content

[0005] The purpose of this invention is to provide a DC system integrated parameter tester that is easy to use and flexible, aiming to improve the problems of existing testers being large in size and heavy in weight, making them difficult to carry and move, and thus reducing work efficiency.

[0006] This utility model is implemented as follows:

[0007] A DC system integrated parameter tester that is easy to use and flexible includes a tester body, a movable base at the bottom of the tester body, the movable base and the tester body being detachably connected, a storage box at the front of the movable base, a battery in the rear half of the movable base, the battery in the movable base being electrically connected to the tester body, a pull rod at the rear end of the movable base being rotatably connected to the movable base, and a locking head at the top of the rear end of the movable base being engaged with the outside of the pull rod, the locking head and the pull rod being detachably connected.

[0008] Preferably, the tester body has a heat dissipation hole at the bottom front end, a display screen at the top, a lifting rod at both the front and rear ends of the top, and a cooling fan at the rear end.

[0009] Preferably, the rear end of the card head is provided with a bayonet, the bayonet has a U-shaped structure, and a clamping knob is provided on the side of the card head aligned with the position of the card head, and a power connection slot is provided at the bottom of the rear end of the tester body.

[0010] Preferably, the tester body has support rods at both the front and rear ends at the bottom, a insertion groove in the middle of the bottom surface of the support rod, and a set screw on the side of the support rod aligned with the insertion groove.

[0011] Preferably, the tester body integrates a microprocessor, which is connected to a data storage module, a test circuit module, and a wireless communication module. The data storage module is used to store the measured parameter data. The test circuit module includes a voltage measurement unit, a current measurement unit, a resistance measurement unit, and a power measurement unit, which are used to measure the voltage, current, resistance, and power parameters of the DC system, respectively. The wireless communication module is used to transmit the data to an external smart terminal or a background management system in real time.

[0012] Preferably, the movable base is provided with a plug at the top near both the front and rear ends, the plug is inserted into the plug slot, the front end of the movable base is provided with a mounting slot, and the bottom corners of the movable base are provided with casters.

[0013] Preferably, the movable base has a pair of ear plates at the middle of its rear end, the ear plates have a through hole in the middle, and the movable base has a connecting line at its rear end, with a connecting plug at the end of the connecting line.

[0014] Preferably, the storage box has a pull tab on the outer side for pulling the storage box; the storage box has a magnetic tab on the side facing the tester body for magnetically connecting with the tester body.

[0015] Preferably, the top of the pull rod is provided with a handle, and the bottom of the pull rod is provided with a transition post. The transition post is provided with a transition hole in the middle, and the transition post is connected to the ear plate by a pin.

[0016] Preferably, the instrument also includes a handle. The top of the instrument body is provided with a pair of adapters, the middle of the adapters is provided with a bearing, the two ends of the handle are provided with connecting rods, the bottom of the connecting rods is provided with a mounting joint, the end of the mounting joint aligned with the bearing is provided with a connecting shaft, and the connecting shaft is interference-fitted with the bearing.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. This utility model features a movable base and a pull rod, which facilitate the flexible movement of the entire testing instrument. The instrument body is made of lightweight and high-strength shell material, which greatly reduces the weight of the instrument, making it easy for operators to carry and move, thus improving work efficiency. In addition, the storage box of the movable base can store some commonly used tools, allowing staff to store tools according to their needs, thereby assisting them in completing testing tasks efficiently.

[0019] 2. This utility model features a handle on the top of the testing instrument body, which allows the testing instrument body to be lifted and moved. This is convenient for workers to move the testing instrument body on surfaces where it is inconvenient to use a mobile base. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the testing instrument body of this utility model from a front-end oblique downward angle;

[0022] Figure 3 This is a schematic diagram of the structure of the tester body of this utility model from a rear-end tilt angle;

[0023] Figure 4 This is a structural block diagram of the internal structure of the testing instrument body of this utility model;

[0024] Figure 5 This is a structural block diagram of the test circuit module of this utility model;

[0025] Figure 6 This is a structural schematic diagram of the mobile base of this utility model from a front-end oblique downward view.

[0026] Figure 7 This is a structural schematic diagram of the mobile base of this utility model from a rear-end tilted angle.

[0027] Figure 8 This is a structural schematic diagram of the storage box of this utility model;

[0028] Figure 9 This is a schematic diagram of the structure of the pull rod of this utility model;

[0029] Figure 10 This is a structural schematic diagram of the handle of this utility model.

[0030] In the diagram: 1. Tester body; 11. Heat dissipation hole; 12. Display screen; 13. Lifting rod; 14. Adapter; 15. Bearing; 16. Clip; 161. Bayonet; 162. Pressing knob; 17. Cooling fan; 18. Power connection slot; 19. Support rod; 191. Plug slot; 192. Set screw; 2. Movable base; 21. Insert rod; 22. Mounting slot; 23. Casters; 24. Connecting cable; 25. Connecting plug; 26. Ear plate; 27. Through hole; 3. Storage box; 31. Pull head; 4. Pull rod; 41. Handle; 42. Adapter post; 43. Adapter hole; 5. Handle; 51. Connecting rod; 52. Mounting connector; 53. Connecting shaft. Detailed Implementation

[0031] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0032] The following description, in conjunction with the accompanying drawings and specific embodiments, provides further details:

[0033] Example 1

[0034] like Figure 1 and Figure 3 As shown, a DC system comprehensive parameter tester that is easy to use and flexible includes a tester body 1, which is used for testing DC systems. A movable base 2 is located at the bottom of the tester body 1, and the movable base 2 is detachably connected to the tester body 1. The movable base 2 facilitates the flexible movement of the entire tester in conjunction with the tester body 1. A storage box 3 is located at the front of the movable base 2, which is used to conveniently store commonly used tools, avoiding the inconvenience of carrying tools and the problem of cluttered tool storage. A battery is located in the rear half of the movable base 2, and the battery is electrically connected to the tester body 1 to provide power for its operation. A pull rod 4 is located at the rear of the movable base 2, which is rotatably connected to the movable base 2, allowing for easy pulling of the entire device. The top rear end of the mobile base 2 is provided with a locking head 16, which engages with the outside of the pull rod 4. The locking head 16 and the pull rod 4 are detachably connected. The locking head 16 facilitates the engagement and fixation of the pull rod 4 assembly, making it convenient for the pull rod 4 to be fixed on the tester body 1 when not in use.

[0035] like Figure 2 and Figure 3As shown, the front bottom of the tester body 1 has a heat dissipation hole 11 to facilitate heat dissipation. A display screen 12 is located on the top of the tester to display test results. Both the front and rear ends of the top of the tester body 1 have lifting rods 13 for hanging the tester body 1 when it needs to be lifted or suspended. A cooling fan 17 is located at the rear of the tester body 1, which, together with the heat dissipation hole 11, facilitates heat dissipation. A U-shaped latch 16 has a U-shaped locking slot 161 at the rear of the latch 16 for engaging with the pull rod 4. A clamping knob 162 is located on the side of the latch 16, aligned with its position, for securing the pull rod 4 and ensuring its stability. A power connection slot 18 is located at the bottom of the rear of the tester body 1 for electrical connection between the tester body 1 and the movable base 2. The tester body 1 has support rods 19 at both the front and rear ends of its bottom. The support rods 19 facilitate stable placement of the tester body 1. The bottom surface of the support rod 19 has a insertion groove 191 in the middle, which facilitates connection with the movable base 2. The side of the support rod 19 has a set screw 192 aligned with the insertion groove 191, which facilitates fixing the movable base 2.

[0036] like Figure 4 and Figure 5 As shown, the tester body 1 integrates a microprocessor, which is connected to a data storage module, a test circuit module, and a wireless communication module. The data storage module is used to store the measured parameter data. The test circuit module includes a voltage measurement unit, a current measurement unit, a resistance measurement unit, and a power measurement unit, which are used to measure the voltage, current, resistance, and power parameters of the DC system, respectively. The wireless communication module is used to transmit the data to an external smart terminal or a background management system in real time.

[0037] like Figure 6 and Figure 7 As shown, the movable base 2 has insertion rods 21 near both the front and rear ends on its top. These rods 21 insert into the insertion slots 191, facilitating a stable connection between the movable base 2 and the tester body 1. The front end of the movable base 2 has a mounting slot 22 for installing the storage box 3. Universal wheels 23 are located at the corners of the bottom surface of the movable base 2, allowing for easy movement of the entire tester. A pair of ear plates 26 are located at the center of the rear end of the movable base 2, with through holes 27 in the center of each ear plate. These ear plates 26 and through holes 27 facilitate a rotatable connection between the movable base 2 and the pull rod 4. A connecting cable 24 is located at the rear end of the movable base 2, with a connecting plug 25 at one end. The connecting cable 24 and connecting plug 25 facilitate an electrical connection between the movable base 2 and the tester body 1.

[0038] like Figure 8As shown, the storage box 3 has a pull head 31 on the side facing outwards for pulling the storage box 3; the storage box 3 has a magnetic piece on the side facing the tester body 1 for magnetically connecting with the tester body 1.

[0039] like Figure 9 As shown, the top of the pull rod 4 is equipped with a handle 41, which makes it easy to grip the pull rod 4 and move the entire testing instrument flexibly. The bottom of the pull rod 4 is equipped with an adapter post 42, and the middle of the adapter post 42 is equipped with an adapter hole 43. The adapter post 42 is connected to the ear plate 26 by a pin, which facilitates the rotatable connection between the pull rod 4 and the testing instrument body 1.

[0040] Example 2

[0041] like Figure 1 and Figure 3 As shown, a DC system comprehensive parameter tester that is easy to use and flexible includes a tester body 1, which is used for testing DC systems. A movable base 2 is located at the bottom of the tester body 1, and the movable base 2 is detachably connected to the tester body 1. The movable base 2 facilitates the flexible movement of the entire tester in conjunction with the tester body 1. A storage box 3 is located at the front of the movable base 2, which is used to conveniently store commonly used tools, avoiding the inconvenience of carrying tools and the problem of cluttered tool storage. A battery is located in the rear half of the movable base 2, and the battery is electrically connected to the tester body 1 to provide power for its operation. A pull rod 4 is located at the rear of the movable base 2, which is rotatably connected to the movable base 2, allowing for easy pulling of the entire device. The top rear end of the mobile base 2 is provided with a locking head 16, which engages with the outside of the pull rod 4. The locking head 16 and the pull rod 4 are detachably connected. The locking head 16 facilitates the engagement and fixation of the pull rod 4 assembly, making it convenient for the pull rod 4 to be fixed on the tester body 1 when not in use.

[0042] like Figure 2 and Figure 3As shown, the front bottom of the tester body 1 has a heat dissipation hole 11 to facilitate heat dissipation. A display screen 12 is located on the top of the tester to display test results. Both the front and rear ends of the top of the tester body 1 have lifting rods 13 for hanging the tester body 1 when it needs to be lifted or suspended. A cooling fan 17 is located at the rear of the tester body 1, which, together with the heat dissipation hole 11, facilitates heat dissipation. A U-shaped latch 16 has a U-shaped locking slot 161 at the rear of the latch 16 for engaging with the pull rod 4. A clamping knob 162 is located on the side of the latch 16, aligned with its position, for securing the pull rod 4 and ensuring its stability. A power connection slot 18 is located at the bottom of the rear of the tester body 1 for electrical connection between the tester body 1 and the movable base 2. The tester body 1 has support rods 19 at both the front and rear ends of its bottom. The support rods 19 facilitate stable placement of the tester body 1. The bottom surface of the support rod 19 has a insertion groove 191 in the middle, which facilitates connection with the movable base 2. The side of the support rod 19 has a set screw 192 aligned with the insertion groove 191, which facilitates fixing the movable base 2.

[0043] like Figure 4 and Figure 5 As shown, the tester body 1 integrates a microprocessor, which is connected to a data storage module, a test circuit module, and a wireless communication module. The data storage module is used to store the measured parameter data. The test circuit module includes a voltage measurement unit, a current measurement unit, a resistance measurement unit, and a power measurement unit, which are used to measure the voltage, current, resistance, and power parameters of the DC system, respectively. The wireless communication module is used to transmit the data to an external smart terminal or a background management system in real time.

[0044] like Figure 6 and Figure 7 As shown, the movable base 2 has insertion rods 21 near both the front and rear ends on its top. These rods 21 insert into the insertion slots 191, facilitating a stable connection between the movable base 2 and the tester body 1. The front end of the movable base 2 has a mounting slot 22 for installing the storage box 3. Universal wheels 23 are located at the corners of the bottom surface of the movable base 2, allowing for easy movement of the entire tester. A pair of ear plates 26 are located at the center of the rear end of the movable base 2, with through holes 27 in the center of each ear plate. These ear plates 26 and through holes 27 facilitate a rotatable connection between the movable base 2 and the pull rod 4. A connecting cable 24 is located at the rear end of the movable base 2, with a connecting plug 25 at one end. The connecting cable 24 and connecting plug 25 facilitate an electrical connection between the movable base 2 and the tester body 1.

[0045] like Figure 8As shown, the storage box 3 has a pull head 31 on the side facing outwards for pulling the storage box 3; the storage box 3 has a magnetic piece on the side facing the tester body 1 for magnetically connecting with the tester body 1.

[0046] like Figure 9 As shown, the top of the pull rod 4 is equipped with a handle 41, which makes it easy to grip the pull rod 4 and move the entire testing instrument flexibly. The bottom of the pull rod 4 is equipped with an adapter post 42, and the middle of the adapter post 42 is equipped with an adapter hole 43. The adapter post 42 is connected to the ear plate 26 by a pin, which facilitates the rotatable connection between the pull rod 4 and the testing instrument body 1.

[0047] like Figure 2 and Figure 10 As shown, it also includes a handle 5, which facilitates the lifting and flexible movement of the entire testing instrument body 1. A pair of adapters 14 are located at the top of the testing instrument body 1, with a bearing 15 in the middle of each adapter 14. The engagement of the adapters 14 and bearings 15 allows for easy rotational connection between the testing instrument body 1 and the handle 5. Connecting rods 51 are located at both ends of the handle 5, with mounting joints 52 at the bottom of each connecting rod 51. A connecting shaft 53 is located at the end of the mounting joint 52 aligned with the bearing 15, and the connecting shaft 53 is interference-fitted with the bearing 15. This structure facilitates connection between the handle 5 and the adapters 14.

[0048] Working Principle: When using the tester to test DC system parameters, firstly, select the corresponding test function (such as voltage measurement, current measurement, etc.) through the tester body 1 according to the test requirements. Then, connect the corresponding test cable to the corresponding test interface, and connect the other end of the test cable to the device under test in the DC system. The microprocessor controls the corresponding measurement unit in the test circuit module to perform parameter measurement, and the measurement results are displayed in real time on the display screen 12. At the same time, the measurement data is stored in the data storage module and transmitted in real time to an external smart terminal or background management system through the wireless communication module. Operators can view, analyze, and manage the test data as needed. Furthermore, when moving the tester, the operator can easily pull the tester using the pull rod 4 and the movable base 2, avoiding the need to carry the tester and wasting manpower. It is simple and convenient to use, and commonly used tools can be stored in the storage box 3 for easy access and use.

[0049] In summary, compared with the prior art, this application, by setting up a movable base 2 and a pull rod 4, facilitates the flexible movement of the entire testing instrument. At the same time, the testing instrument body 1 is made of lightweight and high-strength shell material, which greatly reduces the weight of the testing instrument, making it convenient for operators to carry and move, and improving work efficiency. In addition, the storage box 3 of the movable base 2 can store some commonly used tools, so that staff can store tools according to their needs, thereby assisting staff to complete testing tasks efficiently.

[0050] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A DC system integrated parameter tester facilitating flexible use, comprising a tester body (1), characterized in that, The tester body (1) has a movable base (2) at the bottom. The movable base (2) and the tester body (1) are detachably connected. The movable base (2) has a storage box (3) on it. The movable base (2) has a battery inside it. The battery in the movable base (2) is electrically connected to the tester body (1). The rear end of the movable base (2) has a pull rod (4). The pull rod (4) is rotatably connected to the movable base (2). The top of the rear end of the movable base (2) has a clip (16). The clip (16) is engaged with the outside of the pull rod (4). The clip (16) and the pull rod (4) are detachably connected.

2. The DC system integrated parameter tester convenient for flexible use according to claim 1, characterized in that, The tester body (1) has a heat dissipation hole (11) at the bottom front end, a display screen (12) at the top, a lifting rod (13) at both the front and rear ends of the top, and a cooling fan (17) at the rear end.

3. The DC system integrated parameter tester of claim 2, wherein, The rear end of the card head (16) is provided with a slot (161), the slot (161) is U-shaped, and the side of the card head (16) is provided with a pressing knob (162) aligned with the position of the card head (16). The bottom of the rear end of the tester body (1) is provided with a power connection slot (18).

4. The DC system integrated parameter tester of easy and flexible use according to claim 3, characterized in that, The tester body (1) has support rods (19) at both the front and rear ends of the bottom. The support rod (19) has a insertion groove (191) in the middle of the bottom surface. The support rod (19) has a set screw (192) on the side of the support rod (19) aligned with the insertion groove (191).

5. The DC system integrated parameter tester of easy and flexible use according to claim 4, characterized in that, The test instrument body (1) integrates a microprocessor, which is connected to a data storage module, a test circuit module and a wireless communication module. The data storage module is used to store the measured parameter data. The test circuit module includes a voltage measurement unit, a current measurement unit, a resistance measurement unit and a power measurement unit, which are used to measure the voltage, current, resistance and power parameters of the DC system, respectively. The wireless communication module is used to transmit the data to an external smart terminal or background management system in real time.

6. The DC system integrated parameter tester of easy and flexible use according to claim 4, characterized in that, The movable base (2) is provided with a plug rod (21) at the top near the front and rear ends. The plug rod (21) is inserted into the plug groove (191). The movable base (2) is provided with an installation groove (22) at the front end. The movable base (2) is provided with casters (23) at the bottom corners.

7. The DC system integrated parameter tester of easy and flexible use according to claim 6, characterized in that, The movable base (2) has a pair of ear plates (26) at the middle of its rear end. The ear plates (26) have a through hole (27) in the middle. The movable base (2) has a connecting line (24) at its rear end. The connecting line (24) has a connecting plug (25) at its end.

8. The DC system integrated parameter tester of easy and flexible use according to claim 1, characterized in that, The storage box (3) has a pull head (31) on the outer side for pulling the storage box (3); the storage box (3) has a magnetic piece on the side facing the tester body (1) for magnetic connection with the tester body (1).

9. The DC system integrated parameter tester of easy and flexible use according to claim 7, characterized in that, The top of the pull rod (4) is provided with a handle (41), and the bottom of the pull rod (4) is provided with a transition post (42). The transition post (42) is provided with a transition hole (43) in the middle. The transition post (42) is connected to the ear plate (26) by a pin.

10. The DC system integrated parameter tester facilitating flexible use according to any one of claims 1-9, characterized in that, It also includes a handle (5), and a pair of adapters (14) are provided at the top of the tester body (1). A bearing (15) is provided in the middle of the adapter (14). A connecting rod (51) is provided at both ends of the handle (5). An installation joint (52) is provided at the bottom of the connecting rod (51). A connecting shaft (53) is provided at one end of the installation joint (52) aligned with the bearing (15). The connecting shaft (53) is interference-fitted with the bearing (15).

Citation Information

Patent Citations

  • Direct current system comprehensive tester

    CN205193166U