CN217846456U - Electrical component contact resistance detection device - Google Patents
Electrical component contact resistance detection device Download PDFInfo
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- CN217846456U CN217846456U CN202221090654.4U CN202221090654U CN217846456U CN 217846456 U CN217846456 U CN 217846456U CN 202221090654 U CN202221090654 U CN 202221090654U CN 217846456 U CN217846456 U CN 217846456U
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- contact resistance
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- electrical components
- miniature relay
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Abstract
The utility model discloses an electrical components contact resistance detection device, including miniature relay group, connecting wire, logic controller and multi-functional contact resistance measuring apparatu, the connecting wire is used for the contact group contact connection of the electrical components that await measuring to be connected to miniature relay group's corresponding contact, miniature relay is used for controlling the switching between the electrical components contact group that await measuring, logic controller with miniature relay connects, is used for control opening and closing of miniature relay, multi-functional contact resistance measuring apparatu the data port with miniature relay connects for gather the contact resistance data of the electrical components that await measuring, multi-functional contact resistance measuring apparatu's communication mouth is connected with the host computer communication, is used for gathering contact resistance data transmission extremely the host computer. The utility model discloses an electrical components contact resistance detection device improves measuring result's accuracy, reduces detection achievement volume, improves detection efficiency.
Description
Technical Field
The utility model relates to a railcar part component overhauls equipment technical field, in particular to electrical components contact resistance detection device.
Background
After the overhaul of components such as relays and circuit breakers of the metro vehicle is completed, the performance of electrical components needs to be subjected to simulation test according to the overhaul process so as to verify that the resistance of each contact is within a standard range. In the prior art, a contact resistance measuring instrument is generally adopted for detection, the contact resistance measuring instrument is placed or embedded on a test bench, the resistance of each group of contact points of an electrical element is manually measured, and then a measurement result is input into a test report in a computer of the test bench. In the detection process, the anode and cathode test lines of the contact resistance measuring instrument are required to be manually used for respectively contacting two ends of each group of contacts of the electrical component, after one group of contacts are measured and recorded, the detection of the next group of contacts is carried out, and the detection of the resistance of each group of contacts is completed in sequence.
Because the existing detection of the contact resistance of the electrical element is based on a mode of manually using a contact resistance measuring instrument, the influence of human factors is large, the measured data is easy to be unstable, the measuring result is influenced, the detection workload is increased, and the detection efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at overcoming prior art's defect, provide an electrical component contact resistance detection device, improve measuring result's accuracy, reduce detection achievement volume, improve detection efficiency.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an electrical components contact resistance detection device, includes miniature relay group, connecting wire, logic controller and multi-functional contact resistance measuring apparatu, the connecting wire is used for the contact group contact of the electrical components that await measuring to be connected to the corresponding contact of miniature relay group, miniature relay is used for control the switching between the electrical components contact group that await measuring, logic controller with miniature relay connects, is used for control opening and closing of miniature relay, multi-functional contact resistance measuring apparatu's data port with miniature relay connects, is used for gathering the contact resistance data of the electrical components that await measuring, multi-functional contact resistance measuring apparatu's communication mouth is connected with the host computer communication, is used for gathering contact resistance data transmission extremely the host computer, multi-functional contact resistance measuring apparatu's power mouth is connected to the power.
The utility model discloses a further set up to: the micro relay set, the logic controller and the multifunctional contact resistance measuring instrument are integrated in the detection device.
The utility model discloses a further set up to: still include the contact group interface, the contact group interface with the contact one-to-one of miniature relay group, the contact group interface be used for the electrical components's that await measuring contact group with the connection interface between the contact of miniature relay group, the contact group interface sets up on detection device's the operating panel.
The utility model discloses a further set up to: the detection device is characterized by further comprising a clamping rail support, wherein the clamping rail support is used for fixing the electrical element to be detected, and the clamping rail support is arranged on an operation panel of the detection device.
The utility model discloses a further set up to: the multifunctional contact resistance measuring instrument is characterized in that a display screen is arranged on the multifunctional contact resistance measuring instrument and used for displaying collected contact resistance data of an electrical element to be measured, and an opening used for accommodating the display screen is formed in an operation panel of the detecting device.
The utility model has the advantages that: the utility model discloses an electrical components contact resistance detection device through miniature relay control contact detection passageway, realizes automatic detection electrical components's contact resistance, need not artificially to use a set of measuring contact resistance of contact resistance measuring apparatu, has solved the big, unstable condition of electrical components contact resistance manual measurement data error, has alleviateed detection achievement volume, has improved detection efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic diagram of a module connection of the device for detecting contact resistance of an electrical component according to the present invention;
fig. 2 is a schematic view of an operation panel structure of the device for detecting contact resistance of an electrical component according to the present invention;
fig. 3 is a schematic diagram of a rail-clamping support structure of the device for detecting the contact resistance of an electrical component of the present invention.
In the figure, 1, a micro relay set; 2. a logic controller; 3. a multifunctional contact resistance measuring instrument; 4. an electrical component to be tested; 5. an upper computer; 6. a power source; 7. a contact set interface; 8. an operation panel; 9. the clamping rail device comprises a clamping rail bracket 91, a clamping groove 92, a fixed clamping block 93, a movable clamping block 94 and a spring; 10. a display screen.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, an electrical component contact resistance detection device, including miniature relay group 1, the connecting wire, logic controller 2 and multi-functional contact resistance measuring apparatu 3, the connecting wire is used for being awaited measuring the contact of electrical component 4's contact group connection to miniature relay group 1's corresponding contact, miniature relay is used for controlling the switching of the electrical component 4 contact group that awaits measuring, logic controller 2 is connected with miniature relay, be used for controlling opening and closing of miniature relay, multi-functional contact resistance measuring apparatu 3's data port is connected with miniature relay, be used for gathering the contact resistance data of electrical component 4 that awaits measuring, multi-functional contact resistance measuring apparatu 3's communication port and host computer 5 communication connection, be used for transmitting the contact resistance data of gathering to host computer 5, multi-functional contact resistance measuring apparatu 3's 6 mouths of power are connected to power 6. Use the utility model discloses an electrical components contact resistance detection device examines time measuring to the electrical components after overhauing, pass through the connecting wire with each contact of electrical components and be connected with miniature relay group 1's corresponding contact, it is required to explain, miniature relay group 1 includes a plurality of miniature relay, its quantity can set up according to the demand, connect the completion back, through the closure and the disconnection of every miniature relay in the miniature relay group 1 of logic controller 2 automatic control, thereby realize treating the switching between 4 contact groups of electrical components to be measured, be convenient for multi-functional contact resistance measuring apparatu 3 gathers the contact resistance of every group contact group on the electrical components to be measured 4 in proper order, obtain contact resistance data, and carry out automatic analysis to host computer 5 with measured data transmission, record, save data, whether each contact resistance of electrical components to be measured 4 is in standard range in order to verify. It should be noted that, in this embodiment, the multifunctional contact resistance measuring instrument 3 may directly send the measurement data to the industrial personal computer for analysis and storage, or may transmit the measurement data to the PLC for analysis and storage in a PLC serial communication manner. The utility model discloses an electrical components contact resistance detection device can realize the contact resistance of automated inspection electrical components, need not artificially to use a set of measurement contact resistance of contact resistance measuring apparatu, has solved the big, unstable condition of electrical components contact resistance manual measurement data error, has alleviateed detection achievement volume, has improved detection efficiency. Preferably, the micro relay group 1, the logic controller 2 and the multifunctional contact resistance measuring instrument 3 are integrated in the detection device, so that the detection device is high in overall integration level and simple in structure, and meanwhile, the micro relay group 1, the logic controller 2, the multifunctional contact resistance measuring instrument 3 and other components are protected to a certain extent.
Referring to fig. 2, the relay testing device further comprises a contact group interface 7, the contact group interface 7 corresponds to the contacts of the micro relay group 1 one by one, the contact group interface 7 is used for a connection interface between the contact group of the electrical component 4 to be tested and the contacts of the micro relay group 1, the contact group interface 7 is arranged on an operation panel 8 of the testing device, and the contact group interface 7 is arranged so that a worker can conveniently connect the contacts of the electrical component 4 to be tested and the contacts of the micro relay group 1, so that the operation is simple and convenient, and the testing device is higher in integration level. Still include card rail support 9, card rail support 9 is used for fixed electrical components 4 that await measuring, and card rail support 9 sets up on detection device's operating panel 8, and card rail support 9's setting can treat electrical components 4 that await measuring and provide good fixed effect, avoids the electrical components 4 that await measuring to remove and lead to droing with the connecting wire among the testing process, influences the testing result. The contact group interface 7 and the clamping rail bracket 9 are arranged on the operation panel 8, so that the staff can place and connect the electrical appliance element 4 to be tested. It should be noted that the rail clamping support 9 includes a clamping slot 91, a fixed clamping block 92 and a movable clamping block 93, the fixed clamping block 92 is disposed at one end of the clamping slot 91, a spring 94 is disposed at the other end of the clamping slot 91, one end of the spring 94 far away from the fixed clamping block 92 is fixedly connected with an inner wall of the clamping slot 91, one end of the spring 94 close to the fixed clamping block 92 is provided with the movable clamping block 93, the movable clamping block 93 is matched with the fixed clamping block 92 and is slidably connected with the clamping slot 91, when the electrical component 4 to be tested is fixed, the electrical component 4 to be tested is placed in the clamping slot 91 between the fixed clamping block 92 and the movable clamping block 93, the spring 94 is loosened, and under the elastic force action of the spring 94, the electrical component 4 to be tested is clamped in the clamping slot 91, and the rail clamping support 9 not only can provide a good supporting and fixing effect for the electrical component 4 to be tested, but also can meet fixing requirements for electrical components of different sizes.
Specifically, be provided with display screen 10 on the multi-functional contact resistance measuring apparatu 3, display screen 10 is used for showing the contact resistance data of the electrical components 4 that await measuring of gathering, is provided with the opening that is used for holding display screen 10 on detection device's the operating panel 8, and the setting of display screen 10 is convenient for the staff can look over measuring contact resistance data in real time, and it is more convenient to use.
The working principle is as follows: the electrical component 4 to be tested is clamped and fixed on the clamping rail support 9, each contact of the electrical component is connected with the contact group interface 7 by using a special connecting wire, when the contact resistance of the electrical component is measured, the logic controller 2 controls the on and off of the micro relay to switch the connection between different contacts on the electrical component and the contact group interface 7, the multifunctional contact resistance measuring instrument 3 is used for collecting the contact resistance data of the electrical component, and the contact resistance data is sent to a test report of the upper computer 5 in a communication mode, so that the automatic recording and data saving are realized. The utility model discloses an electrical components contact resistance detection device need not artificial a set of measurement contact resistance and record, has alleviateed detection achievement volume greatly, has improved detection efficiency.
Claims (5)
1. An electrical component contact resistance detection device, characterized by: including miniature relay group (1), connecting wire, logic controller (2) and multi-functional contact resistance measuring apparatu (3), the connecting wire is used for the contact group contact connection of electrical components (4) that await measuring to be connected to the corresponding contact of miniature relay group (1), miniature relay is used for control the switching between electrical components (4) contact group that await measuring, logic controller (2) with miniature relay is connected for control opening and closing of miniature relay, the data port of multi-functional contact resistance measuring apparatu (3) with miniature relay is connected, is used for gathering the contact resistance data of electrical components (4) that await measuring, the communication mouth and the host computer (5) communication of multi-functional contact resistance measuring apparatu (3) are connected for with gathering the contact resistance data transmission extremely host computer (5), power (6) mouth of multi-functional contact resistance measuring apparatu (3) is connected to power (6).
2. The electrical component contact resistance sensing device of claim 1, wherein: the micro relay group (1), the logic controller (2) and the multifunctional contact resistance measuring instrument (3) are integrated in the detection device.
3. The electrical component contact resistance sensing device of claim 1, wherein: still include contact group interface (7), contact group interface (7) with the contact one-to-one of miniature relay group (1), contact group interface (7) are used for the contact group contact of the electrical components (4) that await measuring with the connection interface between the contact of miniature relay group (1), contact group interface (7) set up on detection device's operating panel (8).
4. The electrical component contact resistance sensing device of claim 1, wherein: still include card rail support (9), card rail support (9) are used for fixing electrical components (4) await measuring, card rail support (9) set up on detection device's operating panel (8).
5. The electrical component contact resistance sensing device of any one of claims 1 to 4, wherein: be provided with display screen (10) on multi-functional contact resistance measuring apparatu (3), display screen (10) are used for showing the contact resistance data of the electrical components (4) that await measuring of gathering, be provided with on detection device's operating panel (8) and be used for holding the opening of display screen (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221090654.4U CN217846456U (en) | 2022-05-06 | 2022-05-06 | Electrical component contact resistance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221090654.4U CN217846456U (en) | 2022-05-06 | 2022-05-06 | Electrical component contact resistance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217846456U true CN217846456U (en) | 2022-11-18 |
Family
ID=84020830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221090654.4U Active CN217846456U (en) | 2022-05-06 | 2022-05-06 | Electrical component contact resistance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217846456U (en) |
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2022
- 2022-05-06 CN CN202221090654.4U patent/CN217846456U/en active Active
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