Protection system of electric light source device

Abstract

The utility model discloses a protection system of an electric light source device in the technical field of ultraviolet gas analyzers. The protection system comprises the electric light source device, the sealing cover covers the outer side of the electric light source device, and one end of the sealing cover is open; the light receiving device is fixedly installed at one end of the sealing cover, the light receiving end of the light receiving device is right opposite to the opening of the sealing cover, and an exhaust gap is formed between the light receiving device and the sealing cover; a gas outlet of the zero gas generator is communicated with a gas inlet of the sealing cover through a zero gas conveying pipeline. According to the utility model, a zero-gas purging cooling mode is adopted, pollutants in the sealing cover can be completely discharged, the influence of the pollutants on the light path and light energy of the electric light source device is avoided, and the flowing zero gas can cool the electric light source device, so that the service life of the electric light source device is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to ultraviolet gas analyzer technical field, specifically related to a protection system of electric light source device. BACKGROUND

[0002] Electric light source device has extensive application in the field of gas analyzer, especially in ultraviolet gas analyzer.

[0003] Ultraviolet gas analyzer is often used for monitoring chemical composition (mainly nitrogen oxide and sulfide content) in flue gas in complex environment, in the long time operation of electric light source device, the pollutant in air can influence the light energy and light path of electric light source and cause the accuracy of monitoring result to reduce, simultaneously, the heat generated by electric light source device can also influence the service life of electric light source device.

[0004] Therefore, how to avoid the influence of pollutant in air on detection result and prolong the service life of electric light source device becomes the technical problem to be solved by the technical personnel in the field. SUMMARY

[0005] Therefore, the utility model discloses a protection system of electric light source device to solve the technical problem that the pollutant in air influences gas online monitoring result.

[0006] The utility model employs the technical scheme that a protection system of electric light source device, including:

[0007] Electric light source device;

[0008] Sealing cover, the sealing cover cover is established in electric light source device outside, and one end of sealing cover is open;

[0009] Light receiving device, the light receiving device fixed mounting is in one end of sealing cover, and the light receiving end of light receiving device is opposite to the opening of sealing cover, and the light receiving device and sealing cover form exhaust gap between.

[0010] Zero gas generator, the gas outlet of zero gas generator is communicated with the gas inlet of sealing cover through zero gas delivery pipeline.

[0011] Preferably, the zero gas delivery pipeline is installed with refrigeration device.

[0012] Preferably, the zero gas delivery pipeline is installed with flow regulating valve.

[0013] Preferably, the electric light source device is xenon lamp or deuterium lamp.

[0014] Preferably, the light receiving device is gas cell assembly.

[0015] Preferably, the material of the sealing cover is black Teflon.

[0016] The utility model discloses beneficial effect has:

[0017] The utility model discloses a zero gas purging cooling mode, the electric light source device cover is arranged in the sealed cover, forms the exhaust gap between the sealed cover and the light receiving device, and the zero gas generator is communicated with the air inlet of the sealed cover through the zero gas delivery pipeline, can send the dry zero gas of zero gas generator to the inner chamber of sealed cover, makes zero gas to electric light source device and sweeps clean, prevents the pollutant in air from adhering on electric light source device, simultaneously, the zero gas that enters the sealed cover makes the internal pressure of sealed cover greater than external pressure, thereby making the zero gas and air in the sealed cover can flow outward through the exhaust gap, not only can exhaust the pollutant in the sealed cover completely, avoids the influence of pollutant to the light path and light energy of electric light source device, and the flowing zero gas can also cool electric light source device, thereby prolongs the service life of electric light source device. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structural schematic diagram of the protection system of electric light source device of the utility model.

[0019] Mark explanation in drawing:

[0020] 1, electric light source device;2, sealed cover;3, light receiving device;4, zero gas generator;5, zero gas delivery pipeline;6, refrigerator;7, flow regulating valve;8, exhaust gap. DETAILED DESCRIPTION

[0021] The specific implementation of the utility model will be further explained in detail below in combination with the drawings. These implementation modes are only used for explaining the utility model, and not for limiting the utility model.

[0022] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relation based on the drawing shown, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, cannot be understood as limiting the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0024] Furthermore, in the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0025] Examples, such as Figure 1 As shown, a protection system for an electric light source device includes:

[0026] 1. An electric light source device.

[0027] A sealing cover 2 is fixedly installed on the outside of the electric light source device 1, and one end of the sealing cover 2 is open.

[0028] A light-receiving device 3 is fixedly installed at one end of a sealing cover 2. The light-receiving end of the light-receiving device 3 is directly opposite the opening of the sealing cover 2, and an exhaust gap 8 is formed between the light-receiving device 3 and the sealing cover 2.

[0029] A zero gas generator 4 is provided, the outlet of which is connected to the inlet of the sealing cover 2 through a zero gas delivery pipeline 5, for continuously delivering zero gas into the inner cavity of the sealing cover 2.

[0030] This invention employs a zero-air purging cooling method. The light source device 1 is enclosed within a sealed cover 2, forming an exhaust gap 8 between the sealed cover 2 and the light-receiving device 3. A zero-air generator 4 is connected to the air inlet of the sealed cover 2 via a zero-air delivery pipe 5. Dry zero air is supplied to the inner cavity of the sealed cover 2 through the zero-air generator 4, purging and cleaning the light source device 1 to prevent airborne contaminants from adhering to it. Simultaneously, the zero air entering the sealed cover 2 creates an internal pressure greater than the external pressure, allowing the zero air and air inside the sealed cover 2 to flow outwards through the exhaust gap 8. This not only removes all contaminants from the sealed cover 2, preventing them from affecting the light path and light energy of the light source device 1, but also cools the light source device 1, thus extending its service life.

[0031] Specific embodiment 1, such as Figure 1 As shown, a protection system for an electric light source device includes:

[0032] An electric light source device 1, which can emit ultraviolet rays when powered.

[0033] Preferably, the electric light source device 1 is a xenon lamp or a deuterium lamp.

[0034] A sealed cover 2 is made of black Teflon material, one end of the sealed cover 2 is open, that is, the right end of the sealed cover 2 is closed, the left end of the sealed cover 2 is open, and the sealed cover 2 is fixed outside the electric light source device 1, so that the ultraviolet light emitted by the electric light source device 1 can be emitted through the opening of the left end of the sealed cover 2.

[0035] A light receiving device 3 is fixedly installed at one end of the sealed cover 2, the light receiving end of the light receiving device 3 is opposite to the opening of the sealed cover 2, and an exhaust gap 8 is formed between the light receiving device 3 and the sealed cover 2, so that the air in the sealed cover 2 can flow to the outside of the sealed cover through the exhaust gap 8.

[0036] Specifically, the light receiving device 3 is a gas cell assembly.

[0037] A zero gas generator 4, the gas outlet of the zero gas generator 4 is communicated with the gas inlet of the sealed cover 2 through a zero gas delivery pipeline 5, for continuously conveying zero gas into the cavity of the sealed cover 2.

[0038] A refrigeration device 6 is installed on the zero gas delivery pipeline 5, for cooling and cooling the zero gas in the zero gas delivery pipeline 5, so as to improve the cooling effect of the zero gas on the electric light source device 1.

[0039] A flow regulating valve 7 is installed on the zero gas delivery pipeline 5, for regulating the zero gas delivery amount of the zero gas delivery pipeline 5 to the sealed cover 2, so as to ensure the purging effect and cooling effect of the zero gas on the electric light source device 1.

[0040] The working principle of the protection system of the utility model is as follows:

[0041] The utility model generates clean and dry zero gas through the zero gas generator 4, controls the temperature of the zero gas through the refrigeration device 6, adjusts the flow through the flow regulating valve 7, the zero gas reaches the position of the electric light source device 1, and the electric light source device 1 is cleaned and cooled, the temperature of the refrigeration device 6 and the opening of the flow regulating valve 7 are adjusted, the electric light source device 1 reaches the appropriate use temperature, the sealed cover 2 seals and protects the electric light source device 1, when the zero gas enters the inside of the sealed cover 2, the exhaust gap 8 between the sealed cover 2 and the light receiving device 3 is exhausted, the inside of the sealed cover 2 is micro-positive pressure, can release zero gas to the outside, and the outside air cannot enter the inside of the sealed cover 2 and the light receiving device 3.

[0042] Compared with the prior art, the application has at least the following beneficial technical effects:

[0043] The utility model discloses a zero gas generator produces clean and dry air, can carry out 24 hours long -term purging cleaning to electric light source device, can prevent the influence of pollutant to the light path and light energy of electric light source device.

[0044] The utility model discloses a zero gas generator produces clean and dry air, can carry out 24 hours long -term purging cleaning to electric light source device, can prevent the influence of pollutant to the light path and light energy of electric light source device.

[0045] The utility model discloses a zero gas generator produces clean and dry air, can carry out 24 hours long -term purging cleaning to electric light source device, can prevent the influence of pollutant to the light path and light energy of electric light source device.

[0046] The above-mentioned is only the preferred implementation of the utility model, should point out, for the ordinary skill of the prior art of this technology, on the premise of not departing from the technical principle of the utility model, can also make a number of improvements and replacement, these improvements and replacement also should be regarded as the protection range of the utility model.

Claims

1. A protection system for an electric light source device, characterized in that The utility model relates to an electric light source device (1); A sealed cover (2) is covered outside the electric light source device (1), and one end of the sealed cover (2) is open; A light receiving device (3) is fixedly installed at one end of the sealed cover (2), the light receiving end of the light receiving device (3) is opposite to the opening of the sealed cover (2), and an exhaust gap (8) is formed between the light receiving device (3) and the sealed cover (2); A zero gas generator (4) is communicated with the air inlet of the sealed cover (2) through a zero gas conveying pipeline (5). A refrigerating device (6) is installed on the zero gas conveying pipeline (5).

2. A protection system for an electric light source device according to claim 1, characterized in that A flow regulating valve (7) is installed on the zero gas conveying pipeline (5).

3. A protection system for an electric light source device according to claim 1, characterized in that The electric light source device (1) is a xenon lamp or a deuterium lamp.

4. A protection system for an electric light source device according to claim 1, characterized in that The light receiving device (3) is a gas cell assembly.

5. A protection system for an electric light source device according to claim 1, characterized in that The material of the sealed cover (2) is black Teflon.

6. A protection system for an electric light source device according to claim 1, characterized in that ​

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