CN211297016U

CN211297016U - High-pressure lamp trigger connecting device

Info

Publication number: CN211297016U
Application number: CN202020229428.4U
Authority: CN
Inventors: 季明星; 张斓; 邵俊; 施健; 潘毅
Original assignee: Shanghai Y&l Lighting Co ltd
Current assignee: Shanghai Yaer Precision Parts Manufacturing Co ltd
Priority date: 2020-02-29
Filing date: 2020-02-29
Publication date: 2020-08-18
Anticipated expiration: 2030-02-28

Abstract

The utility model relates to a high-pressure lamp trigger connecting device, including relative setting and first sheetmetal and the second sheetmetal of being connected with the positive negative pole of power respectively, first sheetmetal and second sheetmetal link up through first ceramic rod and second ceramic rod, the welding has first contact on the first sheetmetal, install protruding type bimetallic strip between first sheetmetal and the second sheetmetal, the one end fixed mounting of protruding type bimetallic strip is on the second sheetmetal, the welding has the second contact relative with first contact on the protruding type bimetallic strip, protruding type bimetallic strip is provided with the plush copper and the protruding tail that the contained angle is connected, and stamp on the protruding tail has circular recess. Compared with the prior art, the utility model discloses utilize protruding type bimetallic strip's contained angle to connect and the kink design to further ensure the degree of buckling of bimetallic strip through the circular recess of punching press, can effectively guarantee that bimetallic strip is heated the back quick bending deformation, thereby shorten the outage time, avoid the breakdown and the short circuit of trigger junction.

Description

High-pressure lamp trigger connecting device

Technical Field

The utility model belongs to the technical field of the high-pressure lamp lighting technology and specifically relates to a high-pressure lamp trigger connecting device is related to.

Background

A built-in electrothermal trigger is usually installed in a High Intensity Discharge (HID) lamp, and its principle is that when the High-pressure lamp is in a non-operating state, a bimetal of the trigger is in a normal temperature state, a contact is closed, when a circuit is connected to a power supply, because the lamp does not generate gas Discharge, a power supply voltage is loaded on the trigger through a ballast, the bimetal is heated and deformed, the contact is opened, the circuit is opened at the moment, the ballast generates a self-induced electromotive force, and the electromotive force and a power supply voltage immediate value are superposed to two ends of the lamp, so that the High-pressure lamp is lighted.

After the bimetallic strip of the existing trigger is heated, the bending deformation speed of the bimetallic strip is slow, so that electric arcs are easily generated at the joint of the bimetallic strip, the breakdown and short circuit of the joint of the trigger are caused, the damage of a high-pressure lamp can be finally caused, and the service life of the high-pressure lamp is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high-pressure lamp trigger connecting device in order to overcome the defect that above-mentioned prior art exists, adopt protruding type bimetallic strip, can accelerate the bending deformation speed of bimetallic strip, shorten the outage time, avoid the breakdown and the short circuit of trigger junction.

The purpose of the utility model can be realized through the following technical scheme: the utility model provides a high-pressure lamp trigger connecting device, includes relative first sheetmetal and the second sheetmetal that sets up, first sheetmetal is connected to the positive pole of power, the second sheetmetal is connected to the power negative pole, first sheetmetal and second sheetmetal link up through first ceramic stick and second ceramic stick, the welding has first contact on the first sheetmetal, install protruding type bimetallic strip between first sheetmetal and the second sheetmetal, the one end fixed mounting of protruding type bimetallic strip is on the second sheetmetal, the welding has the second contact relative with first contact on the protruding type bimetallic strip.

Furthermore, the convex bimetallic strip comprises a convex head and a convex tail which are connected up and down, and the connection included angle between the convex head and the convex tail is 120-135 degrees.

Further, the second contact is soldered to the stud.

Furthermore, the protruding tail is of a bent structure and comprises a first plane and a second plane which are connected through a bent part, the first plane is welded on the second metal sheet, and the second plane is connected with the bottom of the protruding head to form an included angle of 120-135 degrees.

Furthermore, the width of the raised head is 1.2 mm-1.5 mm, the length of the raised head is 1.8 mm-2.4 mm, the width of the raised tail is 4.5 mm-5.3 mm, and the length of the raised tail is 6 mm-7 mm.

Further, the vertical distance between the bending part and the bottom of the raised head is 1.3-1.6 mm.

Furthermore, a circular groove is punched at the position of the second plane, which is 3.2 mm-3.8 mm away from the bending part.

Further, the diameter of the circular groove is 3.4 mm-4 mm.

Further, the first ceramic rod is installed between the top of the first metal sheet and the top of the second metal sheet, and the second ceramic rod is installed between the bottom of the first metal sheet and the bottom of the second metal sheet.

Compared with the prior art, the utility model discloses a set up protruding type bimetallic strip, utilize the structure of its connection contained angle and kink, can effectively guarantee the bimetallic strip degree of bending deformation after being heated to accelerate bimetallic strip bending deformation speed, in addition, through the circular recess of punching press on protruding type bimetallic strip, further guarantee the degree of buckling of bimetallic strip, thereby further accelerate the bimetallic strip speed of bending deformation after being heated, shorten the outage time, avoid the breakdown and the short circuit of trigger junction, improve the working life of trigger.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a male tail structure of a male bi-metal strip;

wherein: 1. the bimetallic strip comprises a first metal sheet, a second metal sheet, a first ceramic rod, a second ceramic rod, a convex bimetallic strip, a first contact, a second contact and a third contact, wherein the first metal sheet is 2, the second metal sheet is 3, the first ceramic rod is 4, the second ceramic rod is 5, and the third contact is 6.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Examples

As shown in fig. 1, a high-pressure lamp trigger connecting device includes a first metal sheet 1, a second metal sheet 2, a first ceramic rod 3, a second ceramic rod 4, a convex bimetallic strip 5, a first contact 6 and a second contact 7, wherein the first metal sheet 1 and the second metal sheet 2 are arranged oppositely and connected to the positive and negative electrodes of a power supply through wires, the first metal sheet 1 and the second metal sheet 2 are connected together through the first ceramic rod 3 and the second ceramic rod 4, the first contact 6 and the first metal sheet 1 are welded together, the second contact 7 and the convex bimetallic strip 5 are welded together, the first contact 6 and the second contact 7 are arranged oppositely, and one end of the convex bimetallic strip 5 is also welded together with the second metal sheet 2.

Concretely, protruding type bimetallic strip 5 is including connecting the plush copper and the protruding tail that sets up from top to bottom, the welding of second contact 7 is on the plush copper, protruding tail is the shape structure of buckling, protruding tail includes first plane and the second plane of connecting through the kink, first plane welding is on second metal sheet 2, the second plane is connected the contained angle that forms 120 ~ 135 with the bottom of plush copper, utilize the contained angle design between plush copper and the protruding tail and the kink design of protruding tail, can guarantee that protruding type bimetallic strip 5 takes place bending deformation reliably, thereby accelerate its bending deformation speed.

As shown in fig. 2, a circular groove is punched at a position 3.2mm to 3.8mm away from the bent portion of the second plane, and the design of the circular groove is utilized to further ensure the bending degree of the convex bimetallic strip 5, which is beneficial to accelerating the speed of bending deformation of the convex bimetallic strip 5 after being heated, in this embodiment, the diameter of the circular groove is 3.4mm to 4mm, the width of the raised head is 1.2mm to 1.5mm, the length of the raised head is 1.8mm to 2.4mm, the width of the raised tail is 4.5mm to 5.3mm, the length of the raised head is 6mm to 7mm, and the vertical distance between the bent portion and the bottom of the raised head is 1.3mm to 1.6 mm.

In the actual working process, after the power supply is electrified, the power supply voltage is loaded to the two ends of the trigger, and after the trigger is electrified to generate a certain temperature, the convex bimetallic strip 5 is heated and then quickly bends and deforms, so that a lead connected with the trigger forms a short circuit, and the high-pressure lamp is lightened.

In this embodiment, the power-off temperature of the original trigger is 140 to 170 degrees, and the power-off time is 50 to 100 seconds. Adopt the technical scheme of the utility model afterwards, the outage temperature of trigger is between 100 degrees to 120 degrees, and the time of outage is between 20 seconds to 35 seconds, has lower 40 degrees to 50 degrees than original trigger on the outage temperature, and the outage time is last 25 seconds to 65 seconds fast, has shown the utility model discloses an validity can shorten the outage time, improves trigger working life, lights the high-pressure lamp more fast.

Claims

1. The utility model provides a high-pressure lamp trigger connecting device, includes relative first sheetmetal (1) and second sheetmetal (2) that set up, first sheetmetal (1) is connected to the power anodal, second sheetmetal (2) are connected to the power negative pole, first sheetmetal (1) and second sheetmetal (2) link up through first ceramic stick (3) and second ceramic stick (4), the welding has first contact (6) on first sheetmetal (1), its characterized in that, install protruding type bimetallic strip (5) between first sheetmetal (1) and second sheetmetal (2), the one end fixed mounting of protruding type bimetallic strip (5) is on second sheetmetal (2), the welding has second contact (7) relative with first contact (6) on protruding type bimetallic strip (5).

2. The high-pressure lamp trigger connector as claimed in claim 1, wherein the male bimetal (5) comprises a raised head and a raised tail which are connected up and down, and the connection included angle between the raised head and the raised tail is 120-135 °.

3. A high-pressure lamp igniter connection device as claimed in claim 2, characterized in that the second contact (7) is soldered to the stud.

4. The high-pressure lamp trigger connecting device as claimed in claim 2, wherein the protruding tail is of a bent structure, the protruding tail comprises a first plane and a second plane connected by a bent portion, the first plane is welded on the second metal sheet (2), and the second plane is connected with the bottom of the protruding head to form an included angle of 120-135 °.

5. The high pressure lamp trigger connector of claim 2, wherein the nose has a width of 1.2mm to 1.5mm and a length of 1.8mm to 2.4mm, and the tail has a width of 4.5mm to 5.3mm and a length of 6mm to 7 mm.

6. The high pressure lamp igniter connecting device of claim 4, wherein a vertical distance between the bent portion and a bottom of the protruding head is 1.3mm to 1.6 mm.

7. The high pressure lamp trigger connecting device of claim 6, wherein the second plane is punched with a circular groove at a position 3.2mm to 3.8mm away from the bent portion.

8. A high-pressure lamp igniter connection device as claimed in claim 7, wherein the circular recess has a diameter of 3.4mm to 4 mm.

9. A high-pressure lamp igniter connection device according to claim 1, wherein the first ceramic rod (3) is mounted between the top of the first metal sheet (1) and the top of the second metal sheet (2), and the second ceramic rod (4) is mounted between the bottom of the first metal sheet (1) and the bottom of the second metal.