CN217007504U

CN217007504U - Resistance performance testing device

Info

Publication number: CN217007504U
Application number: CN202122509227.7U
Authority: CN
Inventors: 钱益民; 戴佳敏; 徐静君; 王嘉瑜
Original assignee: Changshu Hongyu Power Engineering Co ltd
Current assignee: Changshu Hongyu Power Engineering Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-07-19
Anticipated expiration: 2031-10-19

Abstract

The utility model discloses a resistance performance testing device, which comprises a testing table body, wherein slide rails and heat dissipation assemblies are symmetrically arranged at the upper end of the testing table body, the two slide rails are positioned between the two heat dissipation assemblies, testing mechanisms are symmetrically arranged on the slide rails, the heat dissipation assemblies are positioned between the two testing mechanisms, a fixing plate is arranged at the upper ends of the two heat dissipation assemblies, a power supply box is connected between the two testing mechanisms, a fan is arranged at the upper end of the fixing plate, the testing mechanisms comprise slide plates which are slidably arranged on the slide rails, and telescopic pieces used for driving the slide plates to do linear reciprocating motion are arranged at the upper ends of the testing table body; the utility model can be used for carrying out sampling inspection on products, is convenient for a user to further verify the performance of the same batch of products, and is beneficial to controlling the quality of the products.

Description

Resistance performance testing device

Technical Field

The utility model relates to the technical field of resistance testing, in particular to a resistance performance testing device.

Background

The resistor is the most common electronic element in the fields of electronics and electrical appliances. In the production process, the random inspection is often required to be performed in the same batch of products according to a certain quantity proportion, the detection is generally performed by respectively connecting the pins of the resistor and the test rods connected with the terminals of the ohmmeter, but the resistance of the resistor can only be detected in such a test mode at room temperature, but small errors in the process are difficult to detect, the resistance piece is further required to be further subjected to performance detection, and whether the resistor belongs to a qualified product is further judged according to the detection result.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a resistance performance testing device, which aims to solve the technical problems in the background technology.

The purpose of the utility model can be realized by the following technical scheme:

resistance capability test device contains the test bench body, and slide rail and radiator unit are installed to the upper end symmetry of test bench body, and two slide rails are located between two radiator unit, and the symmetrical accredited testing organization that installs on the slide rail, radiator unit are located between two accredited testing organization, and two radiator unit's upper end is provided with the fixed plate, is connected with the power supply box between two accredited testing organization, and the upper end of fixed plate is provided with the fan.

As a further scheme of the utility model: the testing mechanism comprises a sliding plate which is slidably arranged on the sliding rail, and the upper end of the testing table body is provided with a telescopic piece which is used for driving the sliding plate to do linear reciprocating motion.

As a further scheme of the utility model: the sliding plate is provided with a detection probe, and a lead connected with the tail of the detection probe is installed on the sliding plate.

As a further scheme of the utility model: the detection probe in one of the testing mechanisms is electrically connected with the ammeter through a lead.

As a further scheme of the utility model: the upper end of the test bench body is provided with a base positioned between the two slide rails, and the upper end of the base is provided with a storage plate.

As a further scheme of the utility model: the base is internally provided with a driving piece for driving the object placing plate to lift.

As a further scheme of the utility model: a clamping plate is arranged below the fixed plate, and a lifting cylinder used for driving the clamping plate to lift is arranged at the upper end of the fixed plate.

As a further scheme of the utility model: a temperature sensor is embedded on the lower surface of the fixed plate.

As a further scheme of the utility model: the upper surface symmetry of the test bench body is provided with the ventilation groove, and the ventilation groove runs through the test bench body.

As a further scheme of the utility model: the radiating assembly comprises a radiating plate positioned at the lower end of the fixing plate, and a plugging plate is clamped on the outer surface of the radiating plate.

As a further scheme of the utility model: the center of the heat dissipation plate is provided with a honeycomb hole.

The utility model has the beneficial effects that:

1. the resistance value change of the resistor in different temperature environments can be tested by simulating different temperature environments, so that whether the resistance value change of the resistor in different temperature environments meets the use requirement or not is obtained, even the use state of the resistor in an extreme temperature environment is tested, the applicable temperature range is obtained, reliable data basis is provided for the production of the resistor, and the research, development and improvement of products are facilitated.

2. The utility model can also be used for carrying out sampling inspection on products, verifying the qualification rate of the products in the same batch and being beneficial to controlling the production quality.

3. In the test process, the shutoff board is pegged graft on the surface of heating panel, carries out the shutoff to the honeycomb holes, accomplishes the back at the test, takes off the shutoff board and can accelerate external gas exchange in, avoids the resistance work piece to be in for a long time and leads to the impaired problem of life-span to appear under the extreme temperature environment.

Drawings

The utility model will be further described with reference to the accompanying drawings.

FIG. 1 is a top view of the present invention;

FIG. 2 is a side sectional view of the present invention;

fig. 3 is a schematic structural view of the heat dissipating plate of the present invention.

In the figure: 1. a test bench body; 2. a slide rail; 3. a testing mechanism; 4. an ammeter; 5. a power supply box; 6. a heat dissipating component; 7. a fixing plate; 8. a lifting cylinder; 9. a base; 10. a storage plate; 11. a ventilation slot; 12. a temperature sensor; 13. a clamping plate; 61. a heat dissipation plate; 62. a plugging plate; 63. honeycomb holes; 31. a slide plate; 32. a telescoping member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention is a resistance performance testing apparatus, which tests the resistance change of a resistor in different temperature environments by simulating different temperature environments, so as to obtain whether the resistance change of the resistor in different temperature environments meets the use requirements, even test the use state of the resistor in an extreme temperature environment, obtain the applicable temperature range, provide reliable data basis for the production thereof, and facilitate the research, development and improvement of products; the utility model comprises a test table body 1, slide rails 2 and heat dissipation assemblies 6 are symmetrically arranged at the upper end of the test table body 1, the two slide rails 2 are positioned between the two heat dissipation assemblies 6, test mechanisms 3 are symmetrically arranged on the slide rails 2, the heat dissipation assemblies 6 are positioned between the two test mechanisms 3, a fixing plate 7 is arranged at the upper ends of the two heat dissipation assemblies 6, a power supply box 5 is connected between the two test mechanisms 3, a fan is arranged at the upper end of the fixing plate 7, the fan is externally connected with an external fan and is used for conveying gas with different temperatures in the fan to the fixing plate 7, the heat dissipation assemblies 6, the test table body 1 and an area enclosed by the two test mechanisms 3 to change the environment temperature of a resistance workpiece, a temperature sensor 12 is embedded on the lower surface of the fixing plate 7, the temperature sensor 12 is used for monitoring the environment temperature in the area enclosed by the fixing plate 7, the heat dissipation assemblies 6, the test table body 1 and the two test mechanisms 3, the upper surface of the test table body 1 is symmetrically provided with ventilation grooves 11, and the ventilation grooves 11 penetrate through the test table body 1; the upper end of the test table body 1 is provided with a base 9 positioned between the two slide rails 2, the upper end of the base 9 is provided with a storage plate 10, a driving piece for driving the storage plate 10 to lift is arranged in the base 9, a clamping plate 13 is arranged below the fixed plate 7, and the upper end of the fixed plate 7 is provided with a lifting cylinder 8 for driving the clamping plate 13 to lift; place the resistance work piece in the upper end of putting thing board 10 earlier, it all makes through insulating material with clamp plate 13 to put thing board 10, start driving piece promptly the hydro-cylinder drive and put thing board 10 and carry out the vertical lift, and then drive resistance work piece together and carry out the vertical lift, start lift cylinder 8 simultaneously and drive clamp plate 13 and descend, until pressing from both sides the resistance work piece tight between clamp plate 13 and thing board 10, and guarantee this moment, testing mechanism 3 is after sliding on slide rail 2, the needle point portion of its inside detection probe can form good contact with the surface of resistance work piece.

The testing mechanism 3 comprises a sliding plate 31 which is slidably arranged on the sliding rail 2, the upper end of the testing table body 1 is provided with a telescopic piece 32 which is used for driving the sliding plate 31 to do linear reciprocating motion, the sliding plate 31 is provided with a detection probe, the sliding plate 31 is provided with a lead which is connected with the tail part of the detection probe, and the detection probe in one testing mechanism 3 is electrically connected with the ammeter 4 through the lead; start extensible member 32 and electric telescopic handle drives slide 31 and slides to the direction that is close to resistance workpiece on slide rail 2 promptly, the needle point portion up to two test probes contacts with the both ends of resistance workpiece respectively, wherein, be provided with the sealing washer on slide 31's the surface, at the slip in-process, the sealing washer respectively with fixed plate 7, radiator unit 6 and test bench body 1 contact, effectively reduce the space, do benefit to the quick change temperature environment, avoid appearing the inside and outside gas exchange of large tracts of land, lead to the problem that ambient temperature is difficult to maintain.

The heat dissipation assembly 6 comprises a heat dissipation plate 61 positioned at the lower end of the fixing plate 7, a blocking plate 62 is clamped on the outer surface of the heat dissipation plate 61, and a honeycomb hole 63 is formed in the center of the heat dissipation plate 61; in the test process, shutoff board 62 joint is on heating panel 61's surface, carries out the shutoff to honeycomb holes 63, accomplishes the back at the test, takes off shutoff board 62 and can accelerate interior external gas exchange, avoids the resistance work piece to be in the problem appearance that leads to the life-span impaired under the extreme temperature environment for a long time.

Based on the content disclosed in the above embodiment, when the utility model is used, the resistance workpiece is firstly placed at the upper end of the object placing plate 10, then the resistance workpiece is clamped between the clamping plate 13 and the object placing plate 10, then the temperature to be tested is selected, then the gas with the temperature is conveyed to the area enclosed by the fixing plate 7, the heat dissipation assembly 6, the test table body 1 and the two testing mechanisms 3 through the fan, the ambient temperature of the resistance workpiece is changed, meanwhile, the temperature sensor 12 is used for monitoring, after the required temperature is reached, the ventilation groove 11 is blocked, the temperature monitoring is carried out for 30s, the temperature is not changed, the detection operation is carried out, and the detection operation is carried out again if the temperature is changed, wherein the detection operation refers to: the extensible member 32 is started, namely the electric telescopic rod drives the sliding plate 31 to slide on the sliding rail 2 in the direction close to the resistance workpiece, the needle point parts of the two detection probes are respectively contacted with the two ends of the resistance workpiece, then the power supply is turned on, the current value on the ampere meter 4 is read and recorded, the voltage is kept the same during each detection, all data are summarized, whether the resistance change of the detection probes in different temperature environments meets the use requirement is judged, and the detection probes are qualified products.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. Resistance capability test device, including the test stage body (1), its characterized in that, slide rail (2) and radiator unit (6), two are installed to the upper end symmetry of the test stage body (1) slide rail (2) are located between two radiator unit (6), accredited testing organization (3) are installed to the symmetry on slide rail (2), radiator unit (6) are located between two accredited testing organization (3), two the upper end of radiator unit (6) is provided with fixed plate (7), two be connected with power supply box (5) between accredited testing organization (3), the upper end of fixed plate (7) is provided with the fan.

2. The resistance performance testing device according to claim 1, wherein the testing mechanism (3) comprises a sliding plate (31) slidably mounted on the sliding rail (2), and an expansion member (32) for driving the sliding plate (31) to make a linear reciprocating motion is arranged at the upper end of the testing table body (1).

3. The resistance performance testing device according to claim 2, wherein the sliding plate (31) is provided with a detection probe, and a lead connected with the tail part of the detection probe is installed on the sliding plate (31).

4. The resistance performance testing device according to claim 3, wherein the detection probe of one of the testing mechanisms (3) is electrically connected with the ammeter (4) through a lead.

5. The resistance performance testing device according to claim 1, wherein a base (9) located between the two sliding rails (2) is arranged at the upper end of the testing table body (1), and an object placing plate (10) is arranged at the upper end of the base (9).

6. The resistance performance testing device according to claim 5, wherein a driving member for driving the object placing plate (10) to ascend and descend is arranged in the base (9).

7. The resistance performance testing device according to claim 1, wherein a clamping plate (13) is arranged below the fixing plate (7), and a lifting cylinder (8) for driving the clamping plate (13) to lift is arranged at the upper end of the fixing plate (7).

8. The resistance performance testing device according to claim 1, wherein a temperature sensor (12) is embedded on the lower surface of the fixing plate (7).

9. The resistance performance testing device according to claim 1, characterized in that the upper surface of the testing table body (1) is symmetrically provided with ventilation grooves (11), and the ventilation grooves (11) penetrate through the testing table body (1).

10. The resistance performance testing device according to claim 1, wherein the heat dissipation assembly (6) comprises a heat dissipation plate (61) located at the lower end of the fixing plate (7), a blocking plate (62) is clamped on the outer surface of the heat dissipation plate (61), and a honeycomb hole (63) is formed in the center of the heat dissipation plate (61).