CN207731895U - The high-power single magnet ring electrodeless fluorescent lamp group of one kind and its circuit structure - Google Patents

Abstract

The utility model provides a high-power single magnetic ring electrodeless fluorescent lamp group. By setting the single magnetic ring on the ring-shaped lamp tube, the ballast and the ring-shaped lamp tube are arranged separately, and by winding the coil on the magnetic ring. And the two ends of the coil are respectively connected with the ballast, so that the electrodeless fluorescent lamp with a single magnetic ring structure can be realized, and its high-power effect can be realized at the same time; The impact of the device is small, so that the overall service life is long; the utility model fixes one end of the indium net in the glass column, which can effectively prevent solid mercury from falling into the lamp tube, and can also fix the indium net to prevent Its inclination avoids the blackening effect of the lamp tube caused by the contact between the indium net and the fluorescent powder in the lamp tube; in addition, the utility model also provides a circuit structure applied to a high-power single magnetic ring electrodeless fluorescent lamp group, so as to realize two Or the independent work of multiple lamps.

Description

A high-power single magnetic ring electrodeless fluorescent lamp group and its circuit structure

technical field

The utility model belongs to the technical field of electrodeless lamp lighting, in particular to a high-power single magnetic ring electrodeless fluorescent lamp group and its circuit structure.

Background technique

As a new type of gas discharge light source, the electrodeless lamp has gradually become one of the mainstream products of lighting sources due to its advantages of high luminous efficiency, long life and high color rendering, and is widely used in roads, industrial mines, and tunnels that require high power. lighting occasions.

The electrodeless lamps currently used are generally equipped with two magnetic rings, and the lamp tubes are all made of glass straight tubes through secondary processing. Thickness will affect the light transmittance of the light source, and the current setting of two magnetic rings also increases its size to a certain extent, which is very inconvenient to use.

Chinese patent application CN 102254785A discloses an electrodeless lamp, specifically a low-frequency small electrodeless lamp with a single magnetic ring, including a lamp cap, a ballast, a lamp tube and a magnetic ring sleeved on the lamp tube. The ballast is located in the plastic shell, the lamp tube is a one-time molded lamp tube, the magnetic ring is only one, and the magnetic ring and the plastic shell are only matched with each other. groove. Although this patent application discloses an integrated electrodeless lamp with a single magnetic ring, due to its integrated structure, it is difficult to realize the structure of a high-power single magnetic ring electrodeless lamp.

Utility model content

The first purpose of the present utility model is to provide a high-power single magnetic ring electrodeless fluorescent lamp set in view of the deficiencies in the background technology.

For this reason, the above-mentioned purpose of the utility model is achieved through the following technical solutions:

A high-power single-magnetic-ring electrodeless fluorescent lamp set, the high-power single-magnetic-ring electrodeless fluorescent lamp set includes: a ballast, a plurality of lamp tubes and a magnetic ring sleeved on the lamp tubes, and each lamp tube is provided with only A magnetic ring, the lamp tube is a ring-shaped lamp tube, the ballast and the lamp tube are arranged separately, a coil is wound on the magnetic ring, and the two ends of the coil are respectively connected with the ballast.

While adopting the above-mentioned technical solution, the utility model can also adopt or adopt the following further technical solutions in combination:

Preferably, the light tube is a circular light tube.

Preferably, the circular ring-shaped light tube is provided with a glass column protruding toward the center of the ring on the side wall close to the center of the ring, one end of the glass column communicates with the circular ring-shaped light tube, and the glass column The other end of the glass column is closed; the glass column is provided with an indium mesh extending into the circular ring lamp tube, and the closed end of the glass column is provided with an amalgam, and glass beads are arranged between the amalgam and the indium mesh .

Preferably, the circular annular lamp tube is set as a reducing tube at the nesting position of the magnetic ring, and the diameter of the reducing tube is smaller than that of other parts of the circular annular lamp tube.

Preferably, the light tube is a rectangular ring-shaped light tube.

Preferably, the rectangular ring-shaped light tube is provided with a glass column far away from the center of the ring on the side wall away from the center of the ring, one end of the glass column communicates with the rectangular ring-shaped light tube, and the glass column The other end is closed; the glass column is provided with an indium net protruding into the inside of the rectangular ring lamp tube, and the closed end of the glass column is provided with an amalgam, and glass beads are provided between the amalgam and the indium net.

Preferably, a magnetic ring is sleeved on the smaller side of the rectangular ring-shaped lamp tube.

Another object of the present invention is to provide a circuit structure of a high-power single magnetic ring electrodeless fluorescent lamp set in view of the deficiencies in the prior art.

For this reason, the above-mentioned purpose of the utility model is achieved through the following technical solutions:

A circuit structure applied to the high-power single-magnetic-ring electrodeless fluorescent lamp group described above, the circuit structure of the high-power single-magnetic-ring electrodeless fluorescent lamp group includes: a low-frequency AC input unit, an EMI filter circuit unit, a rectifier circuit unit, a power A factor correction unit, an inverter circuit unit, a plurality of protection circuit units and a plurality of single magnetic ring load units; the low-frequency input unit is connected with the EMI filter circuit unit, and the EMI filter circuit unit is connected with the rectification circuit unit, so The rectifier circuit is connected with the power factor correction circuit, the power factor correction circuit is connected with the inverter circuit, and the inverter circuit unit is respectively connected with the protection circuit unit and the single magnetic ring load unit, and the protection circuit unit is also connected To be connected to a single magnetic ring load unit.

The utility model provides a high-power single magnetic ring electrodeless fluorescent lamp group. By setting the single magnetic ring on the ring-shaped lamp tube, the ballast and the ring-shaped lamp tube are arranged separately, and by winding the coil on the magnetic ring. And the two ends of the coil are respectively connected with the ballast, so as to realize the electrodeless fluorescent lamp with a single magnetic ring structure, and at the same time realize its high-power effect; The impact of the device is small, so that the overall service life is long; the utility model fixes one end of the indium net in the glass column, which can effectively prevent solid mercury from falling into the lamp tube, and can also fix the indium net to prevent Its inclination avoids the blackening effect of the lamp tube caused by the contact between the indium net and the fluorescent powder in the lamp tube; Choke coil and supporting circuit, so that the two outputs can be separated independently, the work of the two lamps does not interfere with each other, and can work independently, that is, when one lamp fails, the other can still work normally.

Description of drawings

Fig. 1 is a schematic diagram of a high-power single magnetic ring electrodeless fluorescent lamp group provided by the utility model;

Fig. 2 is the schematic diagram of the circular annular lamp tube provided by the utility model;

Fig. 3 is an enlarged view of part A in Fig. 2;

Fig. 4 is a schematic diagram of another high-power single magnetic ring electrodeless fluorescent lamp group provided by the utility model;

Fig. 5 is the schematic diagram of the rectangular annular lamp tube provided by the utility model;

Fig. 6 is a structural block diagram of the circuit structure of a high-power single magnetic ring electrodeless fluorescent lamp group provided by the utility model;

In the figure: 101-ballast; 102-round ring lamp; 103-magnetic ring; 104-coil; 105-glass column; 106-indium mesh; 107-amalgam; 108-glass column; diameter tube; 202-rectangular ring lamp.

Detailed ways

The utility model is described in further detail with reference to the accompanying drawings and specific embodiments.

Example 1

Referring to Figures 1 to 3, a high-power single magnetic ring electrodeless fluorescent lamp set includes: a ballast 101, two circular circular lamp tubes 102 and a magnetic ring 103 sleeved on the circular circular lamp tubes 102 , only one magnetic ring 103 is provided on each circular ring-shaped lamp tube 102, the ballast 101 and the circular ring-shaped lamp tube 102 are set separately, a coil 104 is wound on the magnetic ring 103 and the two ends of the coil 104 They are respectively connected to the ballasts 101. In this embodiment, there are two circular lamp tubes 102. Of course, in other embodiments, multiple circular lamps can also be provided according to the design of the circuit structure. Tube 102.

In Fig. 1 to 3, the circular ring-shaped lamp tube 102 is provided with a glass column 105 protruding toward the ring center on the side wall near the ring center, and one end of the glass column 105 communicates with the circular ring-shaped lamp tube 102, and the glass column 105 The other end of the column 105 is closed; the glass column 105 is provided with an indium mesh 106 protruding into the inside of the circular lamp tube 102, and an amalgam 107 is arranged in the closed end of the glass column 105, between the amalgam 107 and the indium mesh 106 There are glass beads 108 in between.

The ring-shaped lamp tube 102 is provided with a reducing tube 109 at the nesting position of the magnetic ring 103 , and the diameter of the reducing tube 109 is smaller than that of other parts of the circular ring-shaped lamp tube 102 .

Example 2

Referring to Fig. 4 and Fig. 5, the lamp tube can also be set as a rectangular ring-shaped lamp tube 202, and the rectangular ring-shaped lamp tube 202 is provided with a glass column 105 arranged away from the center of the ring on the side wall away from the center of the ring, and the glass column 105 One end of the glass column 105 is connected to the rectangular ring-shaped lamp tube 202, and the other end of the glass column 105 is closed; the glass column 105 is provided with an indium mesh 106 extending into the inside of the rectangular ring-shaped lamp tube 202, and the closed end of the glass column 105 is provided with Amalgam 107, glass beads 108 are arranged between the amalgam 107 and the indium mesh 106, the figure of setting the glass column on the rectangular ring lamp tube is not shown, the arrangement in the glass column can refer to the arrangement in the circular ring lamp tube layout. The arrangement of other parts of the rectangular ring lamp tube is the same as that in Embodiment 1.

A magnetic ring is sheathed on the smaller side of the rectangular ring-shaped lamp tube 202 .

The utility model provides a high-power single magnetic ring electrodeless fluorescent lamp group. By setting the single magnetic ring on the ring-shaped lamp tube, the ballast and the ring-shaped lamp tube are arranged separately, and by winding the coil on the magnetic ring. And the two ends of the coil are respectively connected with the ballast, so as to realize the electrodeless fluorescent lamp with a single magnetic ring structure, and at the same time realize its high-power effect; The impact of the device is small, so that the overall service life is long; the utility model fixes one end of the indium net in the glass column, which can effectively prevent solid mercury from falling into the lamp tube, and can also fix the indium net to prevent Its inclination prevents the blackening of the lamp tube caused by the contact between the indium net and the fluorescent powder in the lamp tube.

Example 3

Referring to Figure 6, a circuit structure applied to a high-power single magnetic ring electrodeless fluorescent lamp group, including: a low-frequency AC input unit, an EMI filter circuit unit, a rectifier circuit unit, a power factor correction unit, an inverter circuit unit, and two protection circuits unit (respectively protection circuit unit 1 and protection circuit unit 2) and two single magnetic ring load units (respectively single magnetic ring load unit 1 and single magnetic ring load unit 2); the low frequency input unit is connected to the EMI filter circuit unit , The EMI filter circuit unit is connected to the rectifier circuit unit, the rectifier circuit is connected to the power factor correction circuit, the power factor correction circuit is connected to the inverter circuit, and the inverter circuit unit is respectively connected to the protection circuit unit and the single magnetic ring load unit , the protection circuit unit is also connected with the single magnetic ring load unit.

The utility model provides a circuit structure applied to a high-power single magnetic ring electrodeless fluorescent lamp group. Two sets of choke coils and supporting circuits are designed from the circuit, so that the two outputs can be separated independently, and the work of the two lamp tubes does not interfere with each other. , can work independently, that is, when one lamp fails, the other can still work normally.

The above-mentioned specific embodiments are used to explain the utility model, and are only preferred embodiments of the utility model, rather than limiting the utility model. Within the spirit of the utility model and the scope of protection of the claims, the utility model is made Any modification, equivalent replacement, improvement, etc., all fall into the protection scope of the present utility model.

Claims (8)

1. A high-power single-magnetic-ring electrodeless fluorescent lamp group, characterized in that the high-power single-magnetic-ring electrodeless fluorescent lamp group comprises: a ballast, a plurality of lamp tubes and magnetic rings sleeved on the lamp tubes, each There is only one magnetic ring on the lamp tube, the lamp tube is a ring-shaped lamp tube, the ballast and the lamp tube are set separately, a coil is wound on the magnetic ring, and the two ends of the coil are respectively connected with the ballast connected to the device. 2. The high-power single magnetic ring electrodeless fluorescent lamp set according to claim 1, wherein the lamp tube is a circular ring-shaped lamp tube. 3. The high-power single magnetic ring electrodeless fluorescent lamp set according to claim 2, characterized in that, the circular ring-shaped lamp tube is provided with a glass column protruding toward the ring center on the side wall close to the ring center, so One end of the glass column communicates with the circular ring-shaped lamp tube, and the other end of the glass column is closed; the inside of the glass column is provided with an indium net extending into the circular ring-shaped lamp tube, and the glass column is closed An amalgam is placed inside one end of the indium mesh, and glass beads are placed between the amalgam and the indium mesh. 4. The high-power single-magnetic-ring electrodeless fluorescent lamp set according to claim 2, wherein the circular ring-shaped lamp tube is set as a variable-diameter tube at the nesting position of the magnetic ring, and the diameter of the variable-diameter tube is less than The diameter of other parts of the circular ring lamp. 5. The high-power single magnetic ring electrodeless fluorescent lamp set according to claim 1, wherein the lamp tube is a rectangular ring-shaped lamp tube. 6. The high-power single magnetic ring electrodeless fluorescent lamp set according to claim 5, characterized in that, the rectangular ring-shaped lamp tube is provided with a glass column far away from the center of the ring on the side wall far away from the center of the ring, so One end of the glass column communicates with the rectangular ring-shaped lamp tube, and the other end of the glass column is closed; the inside of the glass column is provided with an indium mesh extending into the inside of the rectangular ring-shaped lamp tube, and the closed end of the glass column Amalgam is arranged inside, and glass beads are arranged between the amalgam and the indium mesh. 7. The high-power single magnetic ring electrodeless fluorescent lamp set according to claim 5, wherein a magnetic ring is sleeved on the smaller side of the rectangular ring-shaped lamp tube. 8. A circuit structure applied to the high-power single magnetic ring electrodeless fluorescent lamp set according to any one of claims 1-7, characterized in that, the circuit structure of the high-power single magnetic ring electrodeless fluorescent lamp set includes: low frequency AC input unit, EMI filter circuit unit, rectifier circuit unit, power factor correction unit, inverter circuit unit, multiple protection circuit units and multiple single magnetic ring load units; the low-frequency AC input unit is connected to the EMI filter circuit unit , the EMI filter circuit unit is connected to the rectifier circuit unit, the rectifier circuit is connected to the power factor correction circuit, the power factor correction circuit is connected to the inverter circuit, and the inverter circuit unit is respectively connected to the protection circuit unit It is connected with the single magnetic ring load unit, and the protection circuit unit is also connected with the single magnetic ring load unit.