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Preheating self-triggering sodium lamp

A self-triggering, sodium lamp technology, applied to the components of gas discharge lamps, etc., to achieve the effect of low breakdown voltage and low cost

Inactive Publication Date: 2014-12-10
常州金凯照明电器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is: in order to overcome the shortage of potential safety hazards in the frequent activation of the existing trigger device, the present invention provides a preheating type self-triggering sodium lamp

Method used

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  • Preheating self-triggering sodium lamp
  • Preheating self-triggering sodium lamp
  • Preheating self-triggering sodium lamp

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Such as figure 2 As shown, a preheating self-triggering sodium lamp includes a glass bulb 1, a bracket 2, a stem 3, a lamp cap 4 and a sodium lamp arc tube 5, the lamp cap 4 is provided with a stem 3, the stem 3 is provided with a bracket 2, and the bracket 2 It is fixedly connected to the sodium lamp arc tube 5; it also includes a bimetal break protector 6 and a heater, and the bimetal break protector 6 and the heater are connected in parallel with the sodium lamp arc tube 5 in series, and the bimetal break protector 6 and the heater are also fixed on on bracket 2.

[0024] The heater is a heating tube 7, which is arranged next to the arc tube 5 of the sodium lamp; the heating tube 7 heats the arc tube 5 of the sodium lamp and the bimetal break protector 6. In this embodiment, the heating tube 7 is a quartz halogen tube heating source, and the metal contact of the circuit breaker 6 and the heater are all close to the arc tube 5 of the sodium lamp.

[0025] The bimet...

Embodiment 2

[0030] Such as Figure 4 As shown, the present embodiment is roughly the same as Embodiment 1, except that the heater is a heating wire 9 wound outside the arc tube 5 of the sodium lamp; Both ends are connected in series.

[0031] The high-pressure sodium lamp arc tube 5 passes through the winding heating wire 9, and the heating wire 9 is connected to the output pole of the ballast 8. When the power is turned on, the current passes through the heating wire 9 to heat the sodium lamp arc tube 5 to 300°C. At this time, the sodium lamp arc tube 5 The breakdown voltage is the lowest. At the same time, when the bimetal break circuit protector 6 is heated and disconnected, a high reverse voltage is generated through the inductance effect of the ballast 8. Under the superposition of the above two factors, the sodium lamp can be guaranteed The arc tube 5 finishes starting, and the bulb starts to work. At this time, the bimetal of the circuit breaker 6 formed by the bimetal automatica...

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Abstract

The invention relates to a preheating self-triggering sodium lamp. The preheating self-triggering sodium lamp comprises a sodium lamp arc tube, a circuit break protector and a heater. The circuit break protector is serially connected with the heater and then parallelly connected with the sodium lamp arc tube, the heater is used for heating the sodium lamp arc tube and the circuit break protector, and the circuit break protector is a thermometal circuit break protector. The preheating self-triggering sodium lamp has the advantages that by means of a completely innovative starting principle different from all traditional solutions based on a high-voltage pulse starting principle, the problem of a heating control device is mainly solved to realize starting by taking the advantage that the high-voltage sodium lamp arc tube has low breakdown voltage at the temperature of 200-320 DEG C, and safety, stability, high efficiency, broad spectrum and low cost are achieved.

Description

technical field [0001] The invention relates to a high-pressure sodium lamp, in particular to a preheating type self-triggering sodium lamp. Background technique [0002] The existing high pressure sodium lamp self-triggering circuit such as figure 1 As shown, when the power is turned on, the current passes through the ballast 8 and is closed in two ways. At this time, one way of current passes through the arc tube 5, and the gas in the arc tube 5 is not broken down, and it is temporarily in an open circuit state; the other way of current needs to pass through the jump The jumper 10 and the circuit breaker 6, under normal conditions, the two contacts of the jumper 10 are in a closed state, and the circuit breaker 6 is in a closed state. When the voltage and current are applied to the jumper 10 and the protector, the jumper 10 is in a connected state. Because the bypass circuit has no load, the passing current is the short-circuit current of the ballast 8, and the current i...

Claims

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Application Information

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IPC IPC(8): H01J61/22H01J61/52
Inventor 周久龙
Owner 常州金凯照明电器有限公司