Back-end testing device for high-voltage direct-current relay

Abstract

The utility model discloses a high-voltage direct-current relay back-end test device, which comprises a rack, a conveying belt, a guide flange, a fixed conveying bottom plate, a test wiring module, a side contact pin, a horizontal pushing cylinder, an electrified side pressure head, a positioning groove, a lifting positioning column, a positioning induction electric eye, a lifting cylinder, an electrified upper pressure head and a withstand voltage tester. According to the high-voltage direct-current relay product conveying device, high-voltage direct-current relay products can be continuously conveyed through the conveyor belt in cooperation with the detachably-arranged fixed conveying bottom plate, the product conveying efficiency is high, and the fixed conveying bottom plate is accurately positioned and stopped through the positioning grooves in the left side and the right side of the fixed conveying bottom plate in cooperation with the lifting positioning columns and the positioning induction electric eyes; the electrified upper pressure head convenient to lift is in positioning contact with a top contact of the high-voltage direct-current relay product, and the translated electrified side pressure head is in positioning contact with a side contact pin of the test wiring module, so that the product test is automatically and continuously carried out, the test efficiency is high, and the test accuracy is high.

Description

Technical Field

[0001] The utility model relates to the technical field of relay testing equipment, in particular to the technical field of post-test devices for high-voltage DC relays.

Background Art

[0002] With the increasingly wide application of high-voltage DC relays, the demand and output of high-voltage DC relays have increased rapidly in sync. The market's requirements for the quality of high-voltage DC relays are also equally stringent, especially for the withstand voltage parameters of high-voltage DC relays. The existing testing of the withstand voltage parameters of high-voltage DC relays is usually carried out by manually connecting the contacts and power leads of each product to the test clips of the comprehensive parameter tester respectively and then conducting the test. This testing method has the deficiencies of low efficiency and poor accuracy.

Content of the Utility Model

[0003] The purpose of the utility model is to solve the problems in the prior art and propose a post-test device for high-voltage DC relays, which can continuously convey high-voltage DC relay products through a conveyor belt in cooperation with a fixed conveying bottom plate that can be detachably set. The product conveying efficiency is high. The fixed conveying bottom plate is accurately positioned and stopped through the positioning grooves on the left and right sides in cooperation with the lifting positioning columns and positioning induction electric eyes. It is convenient for the lifting energized upper pressure head to be positioned in contact with the top contacts of the high-voltage DC relay product, and at the same time, the translating energized side pressure head is positioned in contact with the side pins of the test wiring module. The product testing is carried out automatically and continuously, with high testing efficiency and high testing accuracy.

[0004] To achieve the above object, the present utility model provides a post-testing device for high-voltage DC relays, which includes a frame, a conveyor belt, guiding edge guards, a fixed conveyor bottom plate, a test wiring module, side contacts, a push cylinder, an energizing side pressure head, a positioning groove, a lifting positioning post, a positioning induction photoelectric eye, a lifting cylinder, an energizing upper pressure head, and a withstand voltage tester. A conveyor belt is arranged at the top of the frame. Guiding edge guards are arranged in parallel on the outer sides of the conveyor belt. A fixed conveyor bottom plate is detachably arranged on the conveyor belt. A relay product is detachably installed on the top of the fixed conveyor bottom plate. A test wiring module is arranged on the front side of the fixed conveyor bottom plate. The test wiring module is connected to the relay product through a wire. A plurality of side contacts are arranged at the corresponding wiring positions on the front side of the test wiring module. A push cylinder is arranged on the front side of the frame. A plurality of energizing side pressure heads corresponding to the side contacts one by one are installed on the push cylinder. Positioning grooves are symmetrically arranged on the left and right sides of the fixed conveyor bottom plate. Lifting positioning posts are arranged on the top of the frame opposite to the positioning grooves. A positioning induction photoelectric eye is arranged on the guiding edge guard opposite to the trajectory of the fixed conveyor bottom plate. The positioning induction photoelectric eye is connected to the lifting positioning post. A lifting cylinder is arranged on the guiding edge guard. An energizing upper pressure head opposite to the top contacts of the relay product is detachably installed on the lifting cylinder. The energizing side pressure head and the energizing upper pressure head are respectively connected to the withstand voltage tester. The withstand voltage tester is arranged on the top of the frame.

[0005] Preferably, the conveyor belt is a double-row synchronous conveyor belt, and the guiding edge guards are smooth edge guards.

[0006] Preferably, a current-carrying connection socket and a microswitch connection socket are arranged in the test wiring module.

[0007] Preferably, an accommodation groove is arranged at the position of the energizing side pressure head corresponding to the side contact. The inner diameter of the accommodation groove is larger than the diameter of the side contact.

[0008] Preferably, the positioning grooves are located at the lower parts of the left and right sides of the fixed conveyor bottom plate, and the openings of the positioning grooves are vertically downward.

[0009] Preferably, the contact of the energizing upper pressure head is a wide-head square contact, and the contact diameter of the energizing upper pressure head is larger than the contact diameter of the top contact of the relay product.

[0010] Preferably, the contact of the energizing upper pressure head is a round-head multi-pin contact, and the contact diameter of the energizing upper pressure head is smaller than the contact diameter of the top contact of the relay product.

[0011] Advantages of the present utility model: By combining a frame, a conveyor belt, a guiding edge, a fixed conveying bottom plate, a test wiring module, side contacts, a flat push cylinder, a power-on side pressure head, a positioning groove, a lifting positioning column, a positioning induction photoelectric eye, a lifting cylinder, a power-on upper pressure head, and a withstand voltage tester, and through experimental optimization, the present utility model can continuously convey high-voltage DC relay products through the conveyor belt in cooperation with the detachably arranged fixed conveying bottom plate, with high product conveying efficiency. The fixed conveying bottom plate is accurately positioned and stopped through the positioning grooves on the left and right sides in cooperation with the lifting positioning column and the positioning induction photoelectric eye, facilitating the positioning contact between the power-on upper pressure head that can be lifted and the top contacts of the high-voltage DC relay product, and at the same time, the power-on side pressure head that moves horizontally is in positioning contact with the side contacts of the test wiring module. The product testing is carried out automatically and continuously, with high testing efficiency and high testing accuracy.

[0012] The features and advantages of the present utility model will be described in detail through embodiments in conjunction with the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a top view structural schematic diagram of the post-testing device for high-voltage DC relays of the present utility model.

[0014] In the figure: 1 - frame, 2 - conveyor belt, 3 - guiding edge, 4 - fixed conveying bottom plate, 5 - test wiring module, 6 - side contacts, 7 - flat push cylinder, 8 - power-on side pressure head, 9 - positioning groove, 10 - lifting positioning column, 11 - positioning induction photoelectric eye, 12 - lifting cylinder, 13 - power-on upper pressure head, 14 - withstand voltage tester.

DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] Refer to Figure 1, the post-testing device for high-voltage DC relays of the present utility model includes a frame 1, a conveyor belt 2, guide edges 3, a fixed conveyor bottom plate 4, a test wiring module 5, side contacts 6, a push cylinder 7, a power-on side press head 8, a positioning groove 9, a lifting positioning column 10, a positioning induction photoelectric eye 11, a lifting cylinder 12, a power-on upper press head 13 and a withstand voltage tester 14. A conveyor belt 2 is arranged at the top of the frame 1. Guide edges 3 are arranged in parallel on the outer sides of the conveyor belt 2. A fixed conveyor bottom plate 4 is detachably arranged on the conveyor belt 2. A relay product is detachably installed on the top of the fixed conveyor bottom plate 4. A test wiring module 5 is arranged on the front side of the fixed conveyor bottom plate 4. The test wiring module 5 is connected to the relay product through a wire. A plurality of side contacts 6 are arranged at the corresponding wiring positions on the front side of the test wiring module 5. A push cylinder 7 is arranged on the front side of the frame 1. A plurality of power-on side press heads 8 corresponding to the side contacts 6 one by one are installed on the push cylinder 7. Positioning grooves 9 are symmetrically arranged on the left and right sides of the fixed conveyor bottom plate 4. Lifting positioning columns 10 facing the positioning grooves 9 are arranged at the top of the frame 1. A positioning induction photoelectric eye 11 facing the track of the fixed conveyor bottom plate 4 is arranged on the guide edge 3. The positioning induction photoelectric eye 11 is connected to the lifting positioning column 10. A lifting cylinder 12 is arranged on the guide edge 3. A power-on upper press head 13 facing the top contacts of the relay product is detachably installed on the lifting cylinder 12. The power-on side press heads 8 and the power-on upper press head 13 are respectively connected to the withstand voltage tester 14. The withstand voltage tester 14 is arranged at the top of the frame 1. The conveyor belt 2 is a double-row synchronous conveyor belt 2. The guide edge 3 is a smooth edge. A current-carrying connection socket and a microswitch connection socket are arranged in the test wiring module 5. A receiving groove is arranged at the position of the power-on side press head 8 corresponding to the side contact 6. The inner diameter of the receiving groove is larger than the diameter of the side contact 6. The positioning grooves 9 are located at the lower parts of the left and right sides of the fixed conveyor bottom plate 4. The openings of the positioning grooves 9 are vertically downward. The contact of the power-on upper press head 13 is a wide-head square contact, and the diameter of the contact of the power-on upper press head 13 is larger than the diameter of the top contact of the relay product. The contact of the power-on upper press head 13 is a round-head multi-pin contact, and the diameter of the contact of the power-on upper press head 13 is smaller than the diameter of the top contact of the relay product.

[0016] The utility model combines a frame 1, a conveyor belt 2, a guiding edge 3, a fixed conveyor bottom plate 4, a test wiring module 5, side contacts 6, a flat push cylinder 7, a powered side pressure head 8, a positioning groove 9, a lifting positioning column 10, a positioning induction photoelectric eye 11, a lifting cylinder 12, a powered upper pressure head 13 and a withstand voltage tester 14. Through experimental optimization, it can continuously convey high-voltage DC relay products through the conveyor belt 2 in cooperation with the detachably arranged fixed conveyor bottom plate 4, with high product conveying efficiency. The fixed conveyor bottom plate 4 is accurately positioned and stopped through the positioning grooves 9 on the left and right sides in cooperation with the lifting positioning column 10 and the positioning induction photoelectric eye 11, facilitating the positioning contact between the liftable powered upper pressure head 13 and the top contacts of the high-voltage DC relay product. At the same time, the horizontally moving powered side pressure head 8 is in positioning contact with the side contacts 6 of the test wiring module 5, and the product testing is carried out automatically and continuously, with high testing efficiency and high testing accuracy.

[0017] The above embodiments are illustrative of the utility model and not restrictive thereof. Any scheme obtained by simply transforming the utility model falls within the protection scope of the utility model.

Claims

1. A high voltage DC relay back-end test device, characterized in that: The invention comprises a frame (1), a conveyor belt (2), a guide rib (3), a fixed conveyor bottom plate (4), a test wiring module (5), side contact pins (6), a horizontal push cylinder (7), an energized side pressure head (8), a positioning groove (9), a lifting and positioning column (10), a positioning induction electric eye (11), a lifting and positioning cylinder (12), an energized upper pressure head (13) and a withstand voltage tester (14). The frame (1) is provided with a conveyor belt (2) on the top, a guide rib (3) is provided on the outer side of the conveyor belt (2) in parallel, a fixed conveyor bottom plate (4) is detachably provided on the conveyor belt (2), a relay product is detachably installed on the top of the fixed conveyor bottom plate (4), a test wiring module (5) is provided on the front side of the fixed conveyor bottom plate (4), the test wiring module (5) is connected to the relay product through a wire, and a plurality of side contact pins (6) are provided on the front side of the test wiring module (5) at the corresponding wiring position ), a horizontal push cylinder (7) is arranged on the front side of the frame (1), and a plurality of energized side pressure heads (8) corresponding to the side contact feet (6) are installed on the horizontal push cylinder (7), and positioning grooves (9) are symmetrically arranged on the left and right sides of the fixed conveying bottom plate (4). A lifting and positioning column (10) facing the positioning groove (9) is arranged on the top of the frame (1), and a positioning induction electric eye (11) facing the track of the fixed conveying bottom plate (4) is arranged on the guide rib (3), and the positioning induction electric eye (11) is connected to the lifting and positioning column (10), and a lifting cylinder (12) is arranged on the guide rib (3), and an energized upper pressure head (13) facing the top contact of the relay product is detachably installed on the lifting cylinder (12), and the energized side pressure head (8) and the energized upper pressure head (13) are respectively connected to a withstand voltage tester (14), and the withstand voltage tester (14) is arranged on the top of the frame (1).

2. The high voltage DC relay back-end test device according to claim 1, characterized in that: The conveyor belt (2) is a double-row synchronous conveyor belt (2), and the guide rib (3) is a smooth rib.

3. The high voltage DC relay back-end testing device according to claim 1, characterized in that: The test wiring module (5) is provided with a flow guide connection port and a micro switch connection port.

4. The high voltage DC relay back-end testing device according to claim 1, characterized in that: The energized side pressure head (8) is provided with an accommodating groove at a position corresponding to the side contact pin (6), and the inner diameter of the accommodating groove is greater than the diameter of the side contact pin (6).

5. The high voltage DC relay back-end testing device according to claim 1, characterized in that: The positioning grooves (9) are located at the lower left and right sides of the fixed conveying bottom plate (4), and the openings of the positioning grooves (9) are vertically downward.

6. The high voltage DC relay back-end testing device according to claim 1, characterized in that: The contact of the energized upper pressure head (13) is a wide-head square contact, and the contact diameter of the energized upper pressure head (13) is larger than the diameter of the top contact of the relay product.

7. The high voltage DC relay back-end testing device according to claim 1, characterized in that: The contact of the energized upper pressure head (13) is a round-head multi-pin contact, and the contact diameter of the energized upper pressure head (13) is smaller than the diameter of the top contact of the relay product.

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