CN219715603U - Automatic compensating device for aviation switch internal resistance test - Google Patents
Automatic compensating device for aviation switch internal resistance test Download PDFInfo
- Publication number
- CN219715603U CN219715603U CN202320658290.3U CN202320658290U CN219715603U CN 219715603 U CN219715603 U CN 219715603U CN 202320658290 U CN202320658290 U CN 202320658290U CN 219715603 U CN219715603 U CN 219715603U
- Authority
- CN
- China
- Prior art keywords
- internal resistance
- base
- positioning
- positioning clamp
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 239000000523 sample Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model relates to the technical field of switch detection, in particular to an automatic compensating device for an aviation switch internal resistance test, which comprises a base, a positioning clamp and an internal resistance tester, wherein a plurality of detection circuits are arranged on the internal resistance tester, a plurality of detection probes are arranged on the positioning clamp, each detection probe is provided with two connection ports, the connection ports are connected with the detection circuits, the positioning clamp is slidably connected to the top of the base, one end of the positioning clamp is fixedly connected with a baffle, and the other end of the positioning clamp is provided with a fixing mechanism which is matched with the baffle to fixedly connect the positioning clamp to the base. When the switch of different specifications needs to be tested, different positioning fixtures can be replaced on the base, so that detection probes at different distances can be used for carrying out internal resistance tests on different switches, the positioning fixtures are fixed at the top of the base through the baffle and the fixing mechanism, the installation is simple, the disassembly is convenient, and the space required by assembly is small.
Description
Technical Field
The utility model relates to the field of switch detection, in particular to an automatic compensation device for an internal resistance test of an aviation switch.
Background
The aviation switch is used as one of important products in the aviation field of China, and the stability of the working performance of the aviation switch directly influences the development of the aviation field of China. Therefore, each specification of the aviation switch is subjected to various tests before leaving the factory.
The utility model provides a switch power supply testing arrangement's probe automatically regulated mechanism, it rotates the top of switch power supply to drive the test probe mechanism that corresponds through the motor, test the switch power supply that corresponds, can test the switch power supply of different specifications fast, but this application is in the in-service use, required assembly space is great, the distance between fixed mechanism and the probe adjustment mechanism of waiting to detect the switch needs constantly to be adjusted, result in the use cost and the time increase of equipment, when detecting to the micro-gap switch on the aeroplane, because the precision requirement to the detection is higher, conventional detection can receive external circuit and contact resistance's influence when detecting the internal resistance, thereby make the result of detection and actual result phase difference several times.
Aiming at the problems, an automatic compensating device for testing the internal resistance of the aviation switch is designed.
Disclosure of Invention
The utility model aims to provide an automatic compensating device for testing the internal resistance of an aviation switch so as to solve the problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an aviation switch internal resistance test automatic compensating device, includes the base, positioning fixture and internal resistance tester, have a plurality of detection circuits on the internal resistance tester, be provided with a plurality of detection probes on the positioning fixture, every all have two connection ports on the detection probe, the connection port with the detection circuit meets, positioning fixture sliding connection is in the top of base, positioning fixture's one end fixedly connected with baffle, positioning fixture's the other end is provided with the fixed establishment with positioning fixture fixed connection on the base mutually supporting with the baffle.
Optionally, fixed establishment includes two splint, two splint are in through bolt fixed connection respectively the both sides of positioning fixture, two splint are kept away from one side of positioning fixture and are all rotated and are connected with the connecting rod, be provided with the location end that restriction connecting rod turned angle on the splint, be provided with on the connecting rod the locking end that the cooperation of location end was used, two fixedly connected with diaphragm between the one end that splint was kept away from to the connecting rod, the diaphragm is close to one side of base has the anti-skidding line.
Optionally, two grooves are formed in the bottom of the positioning clamp, two ribs are fixedly connected to the top of the base, the two ribs correspond to the positions of the two grooves respectively, the positioning clamp is in sliding connection with the ribs through the grooves, and the bottom surface of the positioning clamp is in contact with the top of the base.
Optionally, the locating end include two with splint integrated into one piece's arch, two protruding distribution is in connecting rod and splint rotation junction's top and one side, bellied middle part has the ring channel, the locking end include with connecting rod fixed connection's connection piece, two draw-in grooves have been seted up on the connection piece, two the inner wall of draw-in groove can be pressed in the ring channel and with the ring channel constitutes joint cooperation.
Optionally, the connecting piece is made of a flexible material.
Optionally, a through groove is formed in the position, close to the connecting port, of the positioning clamp.
Compared with the prior art, the utility model has the following beneficial effects: when the switches with different specifications are required to be tested, different positioning fixtures can be replaced on the base, so that the detection probes with different distances can be used for testing the internal resistances of the different switches, the positioning fixtures are fixed at the top of the base through the baffle plate and the fixing mechanism, the fixing mechanism is low in cost, simple to install and convenient to detach, the space required by assembly is small, the time and the effort required by adjusting the distance between the mechanism for fixing the switch to be detected and the detection probes are reduced, the efficiency of the internal resistance test is improved, the internal resistance is tested in a double-contact mode for eliminating the resistance, and then the electric wires and the resistance added by contact are subtracted through the resistance calculation by a four-wire method, so that the detection precision and the data accuracy are improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the positioning fixture of the present utility model;
FIG. 3 is a schematic structural view of the fixing mechanism of the present utility model;
fig. 4 is a schematic structural view of the base of the present utility model.
In the figure: 1. a base; 2. positioning a clamp; 3. a connection port; 4. detecting a probe; 5. a baffle; 6. a clamping plate; 7. a connecting rod; 8. a positioning end; 9. a locking end; 10. a cross plate; 11. a groove; 12. a rib; 13. a connecting sheet; 14. and (5) penetrating the groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, an embodiment of the utility model provides an automatic compensating device for testing internal resistance of an aviation switch, which comprises a base 1, a positioning clamp 2 and an internal resistance tester, wherein a plurality of detection circuits are arranged on the internal resistance tester, a plurality of detection probes 4 are arranged on the positioning clamp 2, each detection probe 4 is provided with two connection ports 3, the connection ports 3 are connected with the detection circuits, the positioning clamp 2 is slidably connected to the top of the base 1, one end of the positioning clamp 2 is fixedly connected with a baffle 5, and the other end of the positioning clamp 2 is provided with a fixing mechanism which is matched with the baffle 5 to fixedly connect the positioning clamp 2 to the base 1.
Specifically, when the switch of different specifications needs to be tested, can change different positioning fixtures 2 on base 1, make the detection probe 4 of different distances carry out the internal resistance test to different switches, positioning fixture 2 passes through baffle 5 and fixed establishment to be fixed at the top of base 1, the installation is simple, it is convenient to dismantle, the required space of assembly is less, the required time and the energy of distance between mechanism and the detection probe 4 of adjustment fixed switch of waiting, thereby be favorable to improving the efficiency of internal resistance test, in order to eliminate the resistance, adopt the dual contact mode test internal resistance, then the resistance that the resistance calculation was subtracted electric wire and contact increase through four-wire method, the accuracy of detection has been improved, the principle of four-wire rule is as follows: the resistance test is usually constant-current pressure measurement, the measuring instrument generates constant-value measuring current l, two measuring leads are respectively contacted with two end electrodes of a resistor Rt to be measured, when current flows through the resistor to be measured, voltage Ut is generated on the measured Rt, the voltage measured by the measuring instrument is further calculated, the resistance value Rt=Ut/l of the resistor is not negligible, and when four-wire measurement is adopted in a double-contact mode, a current loop and a voltage testing loop are respectively formed by the four leads, the impedance of the voltage testing loop is high, the flowing current is negligible, and almost no current flows through the leads of the voltage testing loop, so that the finally measured voltage is the voltage on the resistor to be measured.
Further, fixed establishment includes two splint 6, and two splint 6 pass through bolt fixed connection respectively in the both sides of positioning fixture 2, and one side that positioning fixture 2 was kept away from to two splint 6 all rotates to be connected with connecting rod 7, is provided with the locating end 8 that restriction connecting rod 7 turned angle on the splint 6, is provided with the locking end 9 that locating end 8 cooperation was used on the connecting rod 7, and fixedly connected with diaphragm 10 between the one end that splint 6 was kept away from to two connecting rods 7, and diaphragm 10 is close to one side of base 1 has the anti-skidding line.
Specifically, when installing positioning fixture 2 on base 1, through rotating connecting rod 7, make connecting rod 7 and positioning fixture 2 be in parallel condition, slide positioning fixture 2 from base 1 one end to with baffle 5 and base 1 contact, finally through rotating connecting rod 7, make connecting rod 7 and positioning fixture 2 be in vertical condition, make diaphragm 10 on the connecting rod 7 and base 1 side contact, because the rotation angle of connecting rod 7 is fixed through locating end 8 and locking end 9, thereby accomplish the assembly to positioning fixture 2 and base 1, positioning fixture 2 passes through self gravity to be fixed at the top of base 1, otherwise can accomplish the dismantlement to positioning fixture 2, and a structure is simple, easy dismounting, when having avoided dismantling positioning fixture 2 from base 1 top, the distance between the structure that needs to be adjusted, the convenience is different positioning fixture 2 use of manual replacement.
Further, two grooves 11 are formed in the bottom of the positioning clamp 2, two ribs 12 are fixedly connected to the top of the base 1, the two ribs 12 correspond to the positions of the two grooves 11 respectively, the positioning clamp 2 is in sliding connection with the ribs 12 through the grooves 11, and the bottom surface of the positioning clamp 2 is in contact with the top of the base 1.
Specifically, through the cooperation of the rib 12 and the groove 11, the position of the positioning clamp 2 on the base 1 can be limited, and the stability of the positioning clamp 2 when assembled on the base 1 is improved.
Further, the positioning end 8 comprises two bulges integrally formed with the clamping plate 6, the two bulges are distributed above and on one side of the rotating joint of the connecting rod 7 and the clamping plate 6, an annular groove is formed in the middle of the bulge, the locking end 9 comprises a connecting sheet 13 fixedly connected with the connecting rod 7, two clamping grooves are formed in the connecting sheet 13, and the inner walls of the two clamping grooves can be pressed into the annular groove to form clamping fit with the annular groove.
Specifically, the clamping fit of the clamping groove and the annular clamping groove is used for fixing the rotation angle of the connecting rod 7, so that the stability of the connecting rod 7 in use is improved, and the fixing effect of the positioning clamp 2 on the base 1 through the connecting rod 7 and the transverse plate 10 is improved.
Further, the connecting piece 13 is made of flexible materials, has a certain deformation effect and is convenient to use.
Further, a through groove 14 is formed in the position, close to the connection port 3, of the positioning clamp 2, so that the connection port 3 and a circuit can be conveniently connected.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an aviation switch internal resistance test automatic compensating device, includes base (1), positioning fixture (2) and internal resistance tester, have a plurality of detection circuitry on the internal resistance tester, be provided with a plurality of detection probes (4), its characterized in that on positioning fixture (2): every all have two connection port (3) on detecting probe (4), connection port (3) with detect the circuit meets, positioning fixture (2) sliding connection is in the top of base (1), the one end fixedly connected with baffle (5) of positioning fixture (2), the other end of positioning fixture (2) is provided with and mutually supports positioning fixture (2) fixed connection with baffle (5) fixed establishment on base (1).
2. The automatic compensation device for testing the internal resistance of an aviation switch according to claim 1, wherein: the fixing mechanism comprises two clamping plates (6), the two clamping plates (6) are fixedly connected to two sides of the positioning clamp (2) through bolts respectively, the two clamping plates (6) are connected with a connecting rod (7) in a rotating mode on one side, away from the positioning clamp (2), of the clamping plates, the clamping plates (6) are provided with positioning ends (8) for limiting the rotation angle of the connecting rod (7), the connecting rods (7) are provided with locking ends (9) matched with the positioning ends (8), the two clamping plates (6) are fixedly connected with a transverse plate (10) between one ends, away from the clamping plates (7), of the connecting rod (7), and the transverse plate (10) is close to one side of the base (1) and provided with anti-skidding patterns.
3. The automatic compensation device for testing the internal resistance of an aviation switch according to claim 1, wherein: two grooves (11) are formed in the bottom of the positioning clamp (2), two ribs (12) are fixedly connected to the top of the base (1), the two ribs (12) correspond to the positions of the two grooves (11) respectively, the positioning clamp (2) is in sliding connection with the ribs (12) through the grooves (11), and the bottom surface of the positioning clamp (2) is in contact with the top of the base (1).
4. The automatic compensation device for testing the internal resistance of an aviation switch according to claim 2, wherein: the locating end (8) comprises two bulges integrally formed with the clamping plate (6), the two bulges are distributed above and on one side of a rotating joint of the connecting rod (7) and the clamping plate (6), an annular groove is formed in the middle of the bulge, the locking end (9) comprises a connecting sheet (13) fixedly connected with the connecting rod (7), two clamping grooves are formed in the connecting sheet (13), and the inner walls of the two clamping grooves can be pressed into the annular groove to form clamping fit with the annular groove.
5. The automatic compensation device for testing the internal resistance of an aviation switch according to claim 4, wherein: the connecting piece (13) is made of flexible material.
6. The automatic compensation device for testing the internal resistance of an aviation switch according to claim 1, wherein: and a through groove (14) is formed in the position, close to the connecting port (3), of the positioning clamp (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320658290.3U CN219715603U (en) | 2023-03-29 | 2023-03-29 | Automatic compensating device for aviation switch internal resistance test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320658290.3U CN219715603U (en) | 2023-03-29 | 2023-03-29 | Automatic compensating device for aviation switch internal resistance test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219715603U true CN219715603U (en) | 2023-09-19 |
Family
ID=87977440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320658290.3U Active CN219715603U (en) | 2023-03-29 | 2023-03-29 | Automatic compensating device for aviation switch internal resistance test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219715603U (en) |
-
2023
- 2023-03-29 CN CN202320658290.3U patent/CN219715603U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207114635U (en) | Portable-type loop resistor test device | |
| CN111413198B (en) | Acoustic emission-resistivity-stress synchronous testing device and method for rock | |
| CN111426480A (en) | Aeroengine exhaust measuring device | |
| CN219715603U (en) | Automatic compensating device for aviation switch internal resistance test | |
| CN208013301U (en) | A kind of circuit board impedance device for fast detecting | |
| CN107741511B (en) | Convenient joint for resistance measurement by four-lead method | |
| CN202757702U (en) | Temperature detecting device for vehicle | |
| CN114964706B (en) | High-speed outflow drag reduction effect measuring device and measuring method | |
| CN208419859U (en) | A kind of sensor fastening device for tubular Hydropower Unit narrow space | |
| CN115218968A (en) | Electromagnetic flow meter | |
| CN114136639A (en) | Flame tube pressure drop measuring device | |
| CN211669229U (en) | SMD diode detection equipment | |
| CN109708680B (en) | Inspection device capable of simultaneously detecting multiple instruments | |
| CN109374161B (en) | Tension acquisition device for superconducting magnet pull rod | |
| CN216081260U (en) | Pore diameter measuring and checking device for differential case | |
| CN202975157U (en) | Conductor resistance testing device | |
| CN207601189U (en) | A kind of workbench for being used to measure capacitance parameter | |
| CN220542290U (en) | Thermocouple detection jig | |
| CN219572930U (en) | Measuring device | |
| CN219736735U (en) | Device for detecting air tightness | |
| CN205749694U (en) | A kind of antenna measurement fixture | |
| CN218916272U (en) | Flexible test platform for displacement sensor | |
| CN106908191B (en) | Dynamic temperature and pressure combined probe for measuring transonic two-dimensional unsteady flow field | |
| CN216956231U (en) | Multi-meter-position voltage-withstanding detection device for electric energy meter | |
| CN220509033U (en) | Impedance test fixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |