CN206564723U

CN206564723U - The self-service ballast of current-limiting type

Info

Publication number: CN206564723U
Application number: CN201720183055.XU
Authority: CN
Inventors: 吴建国; 李定华; 吴佳琪; 王国夫
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-02-28
Filing date: 2017-02-28
Publication date: 2017-10-17
Anticipated expiration: 2027-02-28

Abstract

The utility model discloses a kind of self-service ballast of current-limiting type, for the problem of gas-discharge lamp startup and Current limited Control is solved on the basis of low cost, including leakage transformer, the leakage transformer includes armature winding, secondary windings and iron core, the external civil power of armature winding, the secondary windings is used to connect gas-discharge lamp, and current limiting capacitance is serially connected between the secondary windings and gas-discharge lamp.The utility model produces high pressure using secondary windings and current limiting capacitance vibration lights gas-discharge lamp triggering, when gas-discharge lamp normal work, pressure drop is carried out using leakage transformer and current limiting capacitance, by the size for changing current limiting capacitance, the gas-discharge lamp of various power is just can be suitably used for, the dual-use function of trigger and ballast is realized with simple structure.

Description

The self-service ballast of current-limiting type

Technical field

The utility model is related to technical field of lamps, and in particular to a kind of self-service ballast of current-limiting type.

Background technology

Gas-discharge lamp is discharged and luminous lamp by the mixing of gas, metal vapors or several gases and metal vapors, Fluorescent lamp, high-pressure sodium lamp, sodium vapor lamp and metal halide lamp are to apply most illuminating gas discharge lamps.Gas-discharge lamp is furnished with High-voltage trigger and ballast, the former, which provides a high voltage, makes gas ionization enter plasma state, to start gas-discharge lamp, The latter is used for current limliting, prevents magnetic element saturation from being burnt out with bulb.Electronic trigger is led with electric ballast in gas-discharge lamp Be widely used in domain, and in general electronic trigger, electric ballast power must and gas-discharge lamp phase Match somebody with somebody, so its cost is of a relatively high.

Utility model content

In order to which the problem of solution gas-discharge lamp on the basis of low cost starts with Current limited Control, the utility model is carried A kind of self-service ballast of current-limiting type is supplied.

The technical solution adopted in the utility model is as follows：

A kind of self-service ballast of current-limiting type, including leakage transformer, the leakage transformer include armature winding, it is secondary around Group and iron core, the external civil power of armature winding, the secondary windings are used to connect gas-discharge lamp, the secondary windings and gas Current limiting capacitance is serially connected between discharge lamp.

The leakage transformer is autocoupling type leakage transformer, and the armature winding is concatenated with secondary windings, the primary Winding constitutes input circuit, and the armature winding, secondary windings, current limiting capacitance and gas-discharge lamp constitute output loop.

Inductor is serially connected with the output loop.

Compensating electric capacity is parallel with the input circuit.

The iron core includes one block of T-shaped iron and two pieces of L-type cores, and two pieces of L-type cores are separately fixed at the left and right two of T-shaped iron Side, composition " day type " iron core；The armature winding and secondary winding wound in the vertical section of T-shaped iron, the armature winding with Magnetic leakage iron core is provided between secondary windings, the two ends of the magnetic leakage iron core are connected with T-shaped iron, L-type core magnetic respectively.

The T-shaped iron is welded with L-type core in the position of the outer wall of the two faying face.

The beneficial effects of the utility model are：

The utility model produces high pressure using secondary windings and current limiting capacitance vibration lights gas-discharge lamp triggering, works as gas During body discharging lamp normal work, pressure drop is carried out using leakage transformer and current limiting capacitance, by changing the size of current limiting capacitance, just The gas-discharge lamp of various power is can be suitably used for, the dual-use function of trigger and ballast is realized with simple structure.

Brief description of the drawings

Fig. 1 is the schematic diagram of the utility model embodiment.

Fig. 2 is the schematic diagram of leakage transformer in the utility model embodiment.

Fig. 3 be in the utility model embodiment A-A to schematic diagram.

Armature winding N1, secondary windings N2, gas-discharge lamp G, inductor L0, current limiting capacitance C1, compensating electric capacity C2, iron core 1st, T-shaped iron 11, L-type core 12, magnetic leakage iron core 13.

Embodiment

The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.

In embodiment, as shown in figure 1, a kind of self-service ballast of current-limiting type, including leakage transformer, the leakage transformer Including armature winding N1, secondary windings N2 and iron core 1, the external civil powers of armature winding N1, the secondary windings N2 is used to connect Gas-discharge lamp G, current limiting capacitance C1 is serially connected between the secondary windings N2 and gas-discharge lamp G.The present embodiment utilizes secondary Winding N2 and current limiting capacitance C1 vibrations, which produce high pressure, lights gas-discharge lamp G triggerings, when gas-discharge lamp G normal works, Pressure drop is carried out using leakage transformer and current limiting capacitance C1, by changing current limiting capacitance C1 size, various work(are just can be suitably used for The gas-discharge lamp G of rate, the dual-use function of trigger and ballast is realized with simple structure.

In embodiment, as shown in figure 1, the leakage transformer be autocoupling type leakage transformer, the armature winding N1 with Secondary windings N2 is concatenated, and the armature winding N1 constitutes input circuit, the armature winding N1, secondary windings N2, current limiting capacitance C1 and gas-discharge lamp G constitutes output loop.The present embodiment preferred autocoupling type leakage transformer has small volume, efficiency high Feature.

In embodiment, as shown in figure 1, being serially connected with inductor L0 in the output loop.The inductor L0 of the present embodiment is used Impedance in increase output loop, reduces surge current when being powered start, prevents the impact to gas-discharge lamp G, postpones Gas-discharge lamp G life-span.

In embodiment, as shown in figure 1, being parallel with compensating electric capacity C2 in the input circuit.The compensating electric capacity of the present embodiment C2 is used to improve power factor, improves power consumption efficiency.

In embodiment, as shown in Figure 2 and Figure 3, the iron core 1 includes one block of T-shaped iron 11 and two pieces of L-type cores 12, described in two pieces L-type core 12 is separately fixed at the left and right sides of T-shaped iron 11, composition " day type " iron core；The armature winding N1 and secondary windings N2 In the vertical section for being wrapped in T-shaped iron 11, magnetic leakage iron core 13, the leakage field are provided between the armature winding N1 and secondary windings N2 The two ends of iron core 13 are connected with T-shaped iron 11, the magnetic of L-type core 12 respectively.The present embodiment structure, iron core 1 it is simple in construction, and install It is convenient.

In embodiment, as shown in Figure 2 and Figure 3, the T-shaped iron 11 is welded with L-type core 12 in the position of the outer wall of the two faying face Connect, i.e., the weld seam B in Fig. 2, Fig. 3.The present embodiment structure, the faying face between T-shaped iron 11 and L-type core 12 only has unilateral welding, There is the air gap, increase leakage field effect.

Obviously, above-described embodiment of the present utility model is merely to explanation the utility model example, and not right The restriction of embodiment of the present utility model.For those of ordinary skill in the field, on the basis of the above description Other various forms of changes or variation can also be made.There is no need and unable to give poor example to all embodiments.And These belong to the obvious changes or variations that connotation of the present utility model amplifies out still fall within it is of the present utility model Protection domain.

Claims

1. a kind of self-service ballast of current-limiting type, it is characterised in that：Including leakage transformer, the leakage transformer include it is primary around Group（N1）, secondary windings（N2）And iron core（1）, the armature winding（N1）External civil power, the secondary windings（N2）For connecing Gas-discharge lamp（G）, the secondary windings（N2）With gas-discharge lamp（G）Between be serially connected with current limiting capacitance（C1）.

2. the self-service ballast of current-limiting type according to claim 1, it is characterised in that：The leakage transformer leaks for autocoupling type Magnetic transformer, the armature winding（N1）With secondary windings（N2）Concatenation, the armature winding（N1）Input circuit is constituted, it is described Armature winding（N1）, secondary windings（N2）, current limiting capacitance（C1）And gas-discharge lamp（G）Constitute output loop.

3. the self-service ballast of current-limiting type according to claim 2, it is characterised in that：Inductance is serially connected with the output loop Device（L0）.

4. the self-service ballast of current-limiting type according to claim 2, it is characterised in that：Compensation is parallel with the input circuit Electric capacity（C2）.

5. the self-service ballast of current-limiting type according to claim 1, it is characterised in that：The iron core（1）Including one block of T-shaped iron （11）With two pieces of L-type cores（12）, two pieces of L-type cores（12）It is separately fixed at T-shaped iron（11）The left and right sides, composition " day type " Iron core；The armature winding（N1）With secondary windings（N2）It is wrapped in T-shaped iron（11）Vertical section on, the armature winding（N1） With secondary windings（N2）Between be provided with magnetic leakage iron core（13）, the magnetic leakage iron core（13）Two ends respectively with T-shaped iron（11）, L-type Core（12）Magnetic is connected.

6. the self-service ballast of current-limiting type according to claim 5, it is characterised in that：The T-shaped iron（11）With L-type core（12） Welded in the position of the outer wall of the two faying face.