Direct current resistance tester
By using rubber seal strips and wrench hang assembly design in DC resistance tester, the problem of reduced sealing performance of existing testers when unboxing is solved, achieving higher sealing effect and convenient cleaning process.
Patent Information
- Application Number
- CN202421060337.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-05-15
AI Technical Summary
When used unboxing, existing DC resistance testers are prone to contamination and entry of dust and impurities in the slots, which is inconvenient to clean up and reduce the seal between the cover and the chassis.
A DC resistance tester is designed, using a combination of rubber seal strips A and B. The extrusion deformation of the rubber seal strips is achieved through the combination of wrench and the mounting seat, improving the sealing effect of the chassis and cover, and making it easier to clean.
Through the extrusion deformation of the rubber sealing strip, the sealing effect of the chassis and cover is significantly improved, avoiding the entry of dust and impurities, and at the same time it is easy to clean and extending the sealing effect.
Smart Images

Figure CN222689837U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of testing instruments, and more particularly to a DC resistance tester. Background Art
[0002] The DC resistance of a transformer is a must-measure item for factory testing of semi-finished and finished products, installation, acceptance testing, and preventive testing by the power sector during transformer manufacturing. It can effectively detect manufacturing defects such as material selection, welding, loose connections, missing strands, broken wires, and hidden dangers after operation of the transformer coil.
[0003] However, the DC resistance tester in the existing technology mainly houses the test equipment through a chassis and plays a protective role. However, since it needs to be opened for operation when in use, the waterproof method of the interlocking fit is mainly to improve the sealing between the chassis and the cover by inserting the key into the slot. However, when it is unpacked for use, the slot is easily contaminated and enters dust and impurities, which is inconvenient to clean and also reduces the sealing between the cover and the chassis. In view of this, we propose a DC resistance tester. Utility Model Content
[0004] The purpose of the utility model is to overcome the shortcomings of the existing technology, meet the actual needs, and provide a DC resistance tester to solve the technical problem that when the current DC resistance tester is unpacked and used, the slot is easily contaminated and enters dust and impurities, which is inconvenient to clean and also reduces the sealing between the cover and the chassis.
[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a DC resistance tester, comprising a chassis body and a cover body hingedly connected to the chassis body;
[0006] A test device is fixedly installed at the bottom of the cover body, and a control panel is fixedly installed at the top of the cover body;
[0007] A rubber sealing strip A is bonded to the top of the chassis body, and a rubber sealing strip B is bonded to the bottom of the cover body. The rubber sealing strips A and B abut against each other to receive pressure and achieve sealing.
[0008] Two wrenches are symmetrically hingedly installed on one side of the chassis body, and two hanging seats are symmetrically constructed at one end of the cover body, and the two wrenches are hung and connected with the corresponding hanging seats.
[0009] The utility model cooperates a chassis main body provided with a rubber sealing strip A with a cover main body provided with a rubber sealing strip B. When the cover main body and the chassis main body are closed, the rubber sealing strip A abuts against the rubber sealing strip B and is deformed. Then, two wrenches are engaged with corresponding mounting seats to ensure an extruded state. Thus, the extruded deformation of the rubber sealing strips A and B improves the sealing effect of the chassis main body and the cover main body. In addition, the protruding rubber sealing strips A and B are convenient for staff to wipe and clean, thereby ensuring the sealing effect of the chassis main body and the cover main body.
[0010] Preferably, the control panel includes a panel body, a display screen is centrally arranged on the top of the panel body, and a printer is fixedly installed on one side of the top of the panel body.
[0011] Preferably, a plurality of heat dissipation openings are equidistantly provided on a side of the top of the panel body close to the printer, and an interface module is provided on the other side of the top of the panel body.
[0012] Preferably, an input socket is provided on one side of the top of the panel body close to the interface module, and a power switch is fixedly installed on one side of the top of the panel body.
[0013] Preferably, the interface module includes an I+ interface, a U+ interface, an I- interface, a U- interface, and a ground interface, and the I+ interface, U+ interface, I- interface, U- interface, and ground interface are all equidistantly arranged on one side of the top of the panel body.
[0014] Preferably, a hook is constructed at one end of the wrench, and the hook is hung and connected to the hanging seat, and a handle is hingedly installed in the center of one side of the chassis body.
[0015] Compared with the prior art, the beneficial effects of the present invention are:
[0016] 1. The utility model cooperates a chassis main body provided with a rubber sealing strip A with a cover main body provided with a rubber sealing strip B. When the cover main body and the chassis main body are closed, the rubber sealing strip A abuts against the rubber sealing strip B and is deformed. Then, two wrenches are used to cooperate with the corresponding hanging seats to ensure the extrusion state. Thus, the extrusion deformation of the rubber sealing strip A and the rubber sealing strip B improves the sealing effect of the chassis main body and the cover main body. In addition, the protruding rubber sealing strips A and rubber sealing strips B are convenient for staff to wipe and clean, thereby ensuring the sealing effect of the chassis main body and the cover main body.
[0017] 2. The utility model also uses the setting of the control panel. When the testers connected to the I+ interface, U+ interface, I- interface, and U- interface are embedded on both sides of the object to be tested, the readings are displayed on the display screen and the test data are printed by the printer to facilitate data storage. The integrated layout can efficiently complete the test. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the internal structure of the utility model;
[0020] Figure 3 It is a top view of the utility model in the unfolded state.
[0021] Description of the numbers in the figure:
[0022] 1. Chassis body; 2. Cover body; 3. Control panel; 301. Panel body; 302. Display screen; 303. Printer; 304. Heat dissipation vent; 305. Input socket; 306. Power switch; 307. I+ interface; 308. U+ interface; 309. I- interface; 310. U- interface; 311. Ground interface; 4. Rubber sealing strip A; 5. Rubber sealing strip B; 6. Wrench; 601. Hook; 7. Mounting seat; 8. Handle. DETAILED DESCRIPTION
[0023] like Figure 1 As shown, the utility model relates to a DC resistance tester, comprising a chassis body 1 and a cover body 2 hingedly connected to the chassis body 1;
[0024] like Figure 1 、 Figure 2As shown, in the embodiment of the present utility model, in order to ensure the sealing effect of the chassis body 1 and the cover body 2, a test device is fixedly installed at the bottom of the cover body 2, and a control panel 3 is fixedly installed at the top of the cover body 2. A rubber sealing strip A4 is bonded to the top of the chassis body 1, and a rubber sealing strip B5 is bonded to the bottom of the cover body 2. The rubber sealing strip A4 and the rubber sealing strip B5 are pressed against each other to achieve a sealing action. Two wrenches 6 are symmetrically hinged on one side of the chassis body 1, and two mounting seats 7 are symmetrically constructed at one end of the cover body 2. The two wrenches 6 are connected to the corresponding The hanging seat 7 is hung and connected, and the chassis main body 1 provided with a rubber sealing strip A4 is matched with the cover main body 2 provided with a rubber sealing strip B5. When the cover main body 2 and the chassis main body 1 are closed, the rubber sealing strip A4 abuts against the rubber sealing strip B5 and is deformed. Then, the two wrenches 6 and the corresponding hanging seats 7 are hung and matched to ensure the extrusion state, thereby improving the sealing effect of the chassis main body 1 and the cover main body 2 through the extrusion deformation of the rubber sealing strip A4 and the rubber sealing strip B5, and the protruding rubber sealing strips A4 and the rubber sealing strips B5 are convenient for the staff to wipe and clean, thereby ensuring the sealing effect of the chassis main body 1 and the cover main body 2.
[0025] like Figure 2 、 Figure 3 As shown, in an embodiment of the present utility model, in order to facilitate data storage and efficiently complete the test, the control panel 3 includes a panel body 301, a display screen 302 is centrally provided on the top of the panel body 301, and a printer 303 is fixedly installed on one side of the top of the panel body 301, a plurality of heat dissipation vents 304 are equidistantly provided on one side of the top of the panel body 301 close to the printer 303, and an interface module is provided on the other side of the top of the panel body 301, an input socket 305 is provided on the side of the top of the panel body 301 close to the interface module, and a power switch 306 is fixedly installed on one side of the top of the panel body 301. The interface module includes an I+ interface 307, a U+ interface 308, an I- interface 309, a U- interface 310, and a ground interface 311. The I+ interface 307, U+ interface 308, I- interface 309, U- interface 310, and ground interface 311 are all equidistantly arranged on one side of the top of the panel body 301. Through the setting of the control panel 3, when the testers connected to the I+ interface 307, U+ interface 308, I- interface 309, and U- interface 310 are embedded on both sides of the object to be tested, the readings are displayed through the display screen 302, and the test data are printed through the printer 303 to facilitate data storage. The integrated layout can efficiently complete the test.
[0026] like Figure 1 、 Figure 2As shown, in an embodiment of the present utility model, in order to ensure the deformation state of the rubber sealing strip A4 and the rubber sealing strip B5 being squeezed, a hook 601 is constructed at one end of the wrench 6, and the hook 601 is hung and connected to the hanging seat 7. A handle 8 is hingedly installed in the center of one side of the chassis body 1. After the chassis body 1 and the cover body 2 are closed, the rubber sealing strip A4 and the rubber sealing strip B5 abut against each other and are squeezed and deformed, and the two wrenches 6 are bent, and the hooks 601 set at one end of the two wrenches 6 are hung on the corresponding hanging seat 7 to ensure the deformation state of the rubber sealing strip A4 and the rubber sealing strip B5 being squeezed.
[0027] Working Principle: This embodiment provides a DC resistance tester. When in use, the plugs connected to the test clamps are inserted into the I+ interface 307, U+ interface 308, I- interface 309, and U- interface 310 respectively, and the ground wire is inserted into the ground interface 311. Then, the input plug is inserted into the input socket 305. After turning on the power switch 306, the test clamps can be placed on both sides of the object to be tested. The test reading is displayed on the display screen 302. After the reading is completed, the data is printed by the printer 303. After completing the test, flip the cover body 2 over, so that the cover body 2 is closed on the top of the chassis body 1, so that the rubber sealing strip B5 abuts against the rubber sealing strip A4 to form an extrusion deformation, and then bend the two wrenches 6, and use the hooks 601 set at one end of the two wrenches 6 to hang them with the corresponding hanging seats 7 to ensure the extrusion deformation state of the rubber sealing strip A4 and the rubber sealing strip B5. Then, the sealing effect of the chassis body 1 and the cover body 2 can be guaranteed by the extrusion deformation of the rubber sealing strip A4 and the rubber sealing strip B5, which is very practical.
[0028] The embodiments disclosed in the present invention are preferred embodiments, but are not limited to them. Ordinary technicians in this field can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. As long as they do not deviate from the spirit of the present invention, they are all within the scope of protection of the present invention.
Claims
1. A DC resistance tester, characterized in that: It comprises a chassis main body (1) and a cover main body (2) hingedly connected to the chassis main body (1); A testing device is fixedly installed at the bottom of the cover body (2), and a control panel (3) is fixedly installed at the top of the cover body (2); A rubber sealing strip A (4) is bonded to the top of the chassis body (1), and a rubber sealing strip B (5) is bonded to the bottom of the cover body (2), wherein the rubber sealing strip A (4) and the rubber sealing strip B (5) abut against each other to receive pressure and realize a sealing action; Two wrenches (6) are symmetrically hingedly mounted on one side of the chassis body (1), and two mounting seats (7) are symmetrically constructed on one end of the cover body (2), and the two wrenches (6) are mounted and connected to the corresponding mounting seats (7).
2. The DC resistance tester according to claim 1, characterized in that: The control panel (3) comprises a panel body (301), a display screen (302) is arranged in the center of the top of the panel body (301), and a printer (303) is fixedly installed on one side of the top of the panel body (301).
3. The DC resistance tester according to claim 2, characterized in that: A plurality of heat dissipation openings (304) are equidistantly provided on one side of the top of the panel body (301) close to the printer (303), and an interface module is provided on the other side of the top of the panel body (301).
4. The DC resistance tester according to claim 3, characterized in that: An input socket (305) is provided on one side of the top of the panel body (301) close to the interface module, and a power switch (306) is fixedly installed on one side of the top of the panel body (301).
5. The DC resistance tester according to claim 3, characterized in that: The interface module comprises an I+ interface (307), a U+ interface (308), an I- interface (309), a U- interface (310), and a grounding interface (311); the I+ interface (307), the U+ interface (308), the I- interface (309), the U- interface (310), and the grounding interface (311) are all equidistantly arranged on one side of the top of the panel body (301).
6. The DC resistance tester according to claim 1, characterized in that: One end of the wrench (6) is configured with a hook (601), and the hook (601) is connected to the mounting seat (7). A handle (8) is hingedly mounted in the middle of one side of the chassis body (1).