M381033 五、新型說明： 【新型所屬之技術領域】 本創作係有關一種投射燈結構，尤指一種使用發光二極體做 為光源模組之投射燈結構改良。 【先前技術】 按，一般用於建築物照明、廣告看板照明、廣場通道照明等 Φ通常採用投射燈具（投射燈）朝一特定方向投射而達到預期之照 明、裝置效果；又，傳統投射燈具多係採用鹵素燈或白幟燈，不 僅耗電量大、光束不穩定且擴散性差。 近年來因發光二極體（LED)技術的蓬勃發展及日趨成熟，又 具有低耗能、使用壽命長、體積小、反應快等特點，故已逐漸取 代傳統鹵素燈泡而成為未來的主流市場。然而，目前仍必須以較 多的發光二極體組成，方能獲得所需的照度，相對產生較高溫 度，故解決目前投射燈散熱問題乃為其當務之急。 φ 再者，使用發光二極體元件做為光源模組投射燈具，多係將 其電源轉換模組（POWER)設於燈體内部，不但更容易產生積熱 現象，而且一般投射燈具皆係安裝、固定在特定位置，當燈體内 部之發光二極體元件或電源轉換模組故障時，無法快速的維修更 換，亦因此降低整體的實用性及使用便利性。 【新型内容】 有鑑於此，本創作即在提供一種有助於解決散熱課 題，外型相對較為美觀，以及有利於組成構件維修、更換 3 M381033 之投射燈結構，為其主要目的者。 為達上揭目的，本創作之投射燈結構係包括有一燈殼 座、一光源模組、一電源轉換模組，以及一組燈罩；其中， 燈殼座之底面具有一開口供容納光源模組，燈殼座之頂面 則設有若干散熱鰭片及至少一對凸柱供安裝電源轉換模 組，各凸柱係相對凸出散熱鰭片一預定高度，各散熱鰭片 之相對應位置係設有至少一貫穿各散熱鰭片之氣流通 道，而各散熱鰭片兩端形成有一圓弧導角。 俾可將電源轉換模組安裝於燈殼座之外部，並與燈殼 座頂面之散熱鰭片保持一間距，不但可以改善燈殼座内部 之積熱現象，更有利於電源轉換模組之維修、更換；以及， 配合在各氣流通道及圓弧導角之作用下，相對增加散熱鰭 片之空氣對流速率，更有助於解決整體投射燈之散熱課 題。 再者，燈殼座相對於開口周圍設有若干裝配孔供燈罩 外框之螺柱插入，各裝配孔係貫穿至燈殼座頂面，供配合 螺絲由燈殼座頂面旋入燈罩外框之螺柱將燈罩外框鎖固 在燈殼座之開口處，並將螺絲隱藏於燈殼座頂面之散熱鰭 片之間，使整體投射燈結構相對較為美觀。 【實施方式】 本創作之特點，可參閱本案圖式及實施例之詳細說 明而獲得清楚地瞭解。 如第一圖至第三圖所示，本創作之投射燈結構係包括 M381033 有：一燈殼座10、一光源模組20、一電源轉換模組30，以 及一組燈罩40 ;其中：M381033 V. New Description: [New Technology Field] This creation is about a projection lamp structure, especially a structure of a projection lamp using a light-emitting diode as a light source module. [Prior Art] Press, generally used for building lighting, advertising billboard lighting, square channel lighting, etc. Φ usually uses projection lamps (projection lights) to project in a specific direction to achieve the desired lighting and device effects; The use of a halogen lamp or a white light lamp not only consumes a large amount of power, but also has an unstable beam and poor diffusibility. In recent years, due to the vigorous development and maturity of light-emitting diode (LED) technology, it has the characteristics of low energy consumption, long service life, small size, fast response, etc., so it has gradually replaced traditional halogen bulbs and become the mainstream market in the future. However, at present, it is still necessary to form a plurality of light-emitting diodes in order to obtain the required illumination, and relatively high temperatures are generated. Therefore, solving the problem of heat dissipation of the current projection lamp is a top priority. φ Furthermore, the use of the light-emitting diode component as a light source module projection lamp, the multi-system power conversion module (POWER) is set inside the lamp body, not only is more prone to heat accumulation, but also the general projection lamps are installed When it is fixed at a specific position, when the LED component or the power conversion module inside the lamp body is faulty, it cannot be quickly repaired and replaced, thereby reducing the overall practicability and ease of use. [New content] In view of this, this creation is to provide a projection lamp structure that helps solve the heat-dissipation problem, is relatively beautiful in appearance, and is useful for repairing and replacing 3 M381033. In order to achieve the above, the projection lamp structure of the present invention comprises a lamp housing, a light source module, a power conversion module, and a set of lampshades; wherein the bottom surface of the lamp housing has an opening for accommodating the light source module The top surface of the lamp housing is provided with a plurality of heat dissipation fins and at least one pair of protrusions for mounting a power conversion module, and each of the protrusions protrudes from the heat dissipation fins by a predetermined height, and the corresponding positions of the heat dissipation fins are At least one air flow passage extending through each of the heat dissipation fins is disposed, and a circular arc guide angle is formed at each end of each of the heat dissipation fins.俾The power conversion module can be installed outside the lamp housing and keep a distance from the heat dissipation fins on the top surface of the lamp housing, which not only improves the heat accumulation inside the lamp housing, but also facilitates the power conversion module. Maintenance and replacement; and, in conjunction with the air flow passages and arc guide angles, relatively increase the air convection rate of the heat dissipation fins, and help solve the heat dissipation problem of the overall projection lamp. Furthermore, the lamp housing is provided with a plurality of mounting holes around the opening for the studs of the outer frame of the lamp cover, and the mounting holes are penetrated to the top surface of the lamp housing, and the screw is inserted into the outer frame of the lamp cover by the top surface of the lamp housing. The stud locks the outer frame of the lamp cover to the opening of the lamp housing, and conceals the screw between the fins on the top surface of the lamp housing, so that the overall projection lamp structure is relatively beautiful. [Embodiment] The features of the present invention can be clearly understood by referring to the detailed description of the drawings and the embodiments. As shown in the first to third figures, the projection lamp structure of the present invention includes M381033: a lamp housing 10, a light source module 20, a power conversion module 30, and a set of lampshades 40;
該燈殼座10之底面具有一開口 11供容納光源模組 20，燈殼座10之頂面則設有若干散熱鰭片12及至少一對凸 柱13供安裝電源轉換模組’各凸柱13係相對凸出散熱鰭片 12—預定高度，各散熱鰭片12之相對應位置係設有至少一 貫穿各散熱鰭片12之氣流通道14,以及在燈殼座10之兩個 相對應邊侧分別設有一螺絲孔15供裝設一固定架50。 光源模組20係在一基板21上建構有呈預定方式排列 之發光二極體元件22,主要為整體投射燈之光源，該基板 21上設有若干螺絲穿孔211，供利用螺絲23直接將整體光 源模組20經由該燈殼座10底面之開口 11鎖固於該燈殼座 10内部。 該電源轉換模組30係可直接鎖固於該燈殼座10頂面 之凸柱13上，或如圖所示透過定位板31鎖固在燈殼座10 頂面之凸柱13上，並與該燈殼座10頂面之散熱鰭片12保持 一預定之間距，使不影響散熱鰭片12之空氣對流效果；且 該電源轉換模組3〇係藉由二定位板31定位於燈殼座10 上’且二定位板31分別設於該電源轉換模組30相對之二 側’該定位板31係設有複數定位孔311，藉由各定位孔311 之定位作用可使該電源轉換模組30固定於不同相對應之 位置上。 至於’該燈罩40係由一燈罩外框41及一透光板42所組 成’由該燈罩外框鎖固於該燈殼座10之開口處，用以對該 5 M381033 光源模組20構成屏蔽；該燈罩外框41上設有若干螺柱 411，該燈殼座1〇相對於開口 π周圍設有若干裝配孔16供 該燈罩外框41之螺柱411拖入，各裝配孔16係貫穿至該燈 殼座10頂面，供配合螺絲43由燈殼座10頂面旋入該燈罩外 框41之螺柱411將燈罩外框41固在燈殼座1〇之開口處。 再者，如第一圖及第四圖所示，上揭燈殼座1〇頂面之 各散熱鰭片12係呈高度朝向兩侧逐漸降低的方式配置，並 且在各散熱鰭片12兩端形成有一圓弧導角，以增加散熱鰭 片12之間的空氣對流效果。 據以，藉由上述結構設計，本創作之投射燈結構即可 將電源轉換模組30安裝於燈殼座1〇之外部，並與燈殼座 頂面之散熱鳍片12保持一間距，不但可以改善燈殼座1 〇 内部之積熱現象，更有利於電源轉換模組之維修、更換； 以及，配合在各氣流通道14之作用下，相對增加散熱鰭片 12之空氣對流速率，更有助於解決整體投射燈之散熱 題。 …、 值得一提的是’只需將該燈罩外框41拆卸即可對燈殼 座10内部之光源模組，進行維修、更換，而該用以將燈罩 外框41鎖固之螺絲43係相對隱藏於燈殼座1〇頂面之散熱 鰭片12之間，使整體投射燈結構相對較為美觀。 、綜上所述，本創作提供一較佳可行之投射燈結構，爰 依法提呈新型專利之中請；本創作之技術内容及技術特點 巳揭，如上，然而熟悉本項技術之人士仍可能基於本創作 之揭示而作各種不背離本案創作精神之替換及修飾。因 / 6 M381033 此，本創作之保護範圍應不限於實施例所揭示者，而應包 括各種不背離本創作之替換及修飾，並為以下之申請專利 範圍所涵蓋。 【圖式簡單說明】 第一圖係為本創作之投射燈外觀立體圖。 .第二圖係為本創作之投射燈結構分解圖。 _第三圖係為本創作之投射燈底面結構圖。 _第四圖係為本創作之投射燈側面結構圖。 【主要元件符號說明】 10 燈殼座 23 螺絲 11 開口 30 電源轉換模組 12 散熱鰭片 31 定位板 13 凸柱 311 定位孔 14 氣流通道 40 燈罩 15 螺絲孔 41 燈罩外框 16 裝配孔 411 螺柱 20 光源模組 42 透光板 21 基板 43 螺絲 211 螺絲穿孔 50 固定架 22 發光二極體元件The bottom surface of the lamp housing 10 has an opening 11 for accommodating the light source module 20. The top surface of the lamp housing 10 is provided with a plurality of heat dissipation fins 12 and at least one pair of protrusions 13 for mounting a power conversion module The 13 series protrudes from the fins 12 to a predetermined height, and the corresponding positions of the fins 12 are provided with at least one airflow passage 14 extending through the fins 12, and two corresponding sides of the lamp housing 10 A screw hole 15 is defined in each side for mounting a fixing frame 50. The light source module 20 is constructed on a substrate 21 with a light-emitting diode element 22 arranged in a predetermined manner, which is mainly a light source of the whole projection lamp. The substrate 21 is provided with a plurality of screw holes 211 for directly using the screw 23 The light source module 20 is locked inside the lamp housing 10 via the opening 11 of the bottom surface of the lamp housing 10. The power conversion module 30 can be directly locked to the protrusion 13 on the top surface of the lamp housing 10, or can be locked on the protrusion 13 of the top surface of the lamp housing 10 through the positioning plate 31 as shown in the figure, and Maintaining a predetermined distance from the heat dissipation fins 12 on the top surface of the lamp housing 10 so as not to affect the air convection effect of the heat dissipation fins 12; and the power conversion module 3 is positioned on the lamp housing by the two positioning plates 31. The positioning plate 31 is disposed on the opposite side of the power conversion module 30. The positioning plate 31 is provided with a plurality of positioning holes 311. The positioning function of the positioning holes 311 enables the power conversion mode. Group 30 is fixed at different corresponding positions. As for the 'light cover 40 is composed of a cover outer frame 41 and a light-transmitting plate 42', the outer frame of the lamp cover is locked at the opening of the lamp housing 10 for shielding the 5 M381033 light source module 20 The lamp housing frame 41 is provided with a plurality of studs 411. The lamp housings 1 are provided with a plurality of mounting holes 16 around the opening π for the studs 411 of the lampshade outer frame 41 to be inserted therein. To the top surface of the lamp housing 10, the mating screw 43 is screwed into the stud 411 of the lamp housing frame 41 from the top surface of the lamp housing 10 to fix the lamp housing frame 41 to the opening of the lamp housing 1〇. Furthermore, as shown in the first and fourth figures, the heat dissipating fins 12 of the top surface of the lamp housing 1 are arranged such that the height thereof gradually decreases toward both sides, and at both ends of each of the heat dissipating fins 12 A circular arc guide angle is formed to increase the air convection effect between the heat dissipation fins 12. According to the above structural design, the projection lamp structure of the present invention can install the power conversion module 30 outside the lamp housing 1 and maintain a distance from the heat dissipation fins 12 on the top surface of the lamp housing. The heat accumulation inside the lamp housing 1 can be improved, which is more favorable for the maintenance and replacement of the power conversion module; and the air convection rate of the heat dissipation fins 12 is relatively increased under the action of the air flow passages 14 Helps solve the heat problem of the overall projection lamp. ..., it is worth mentioning that 'the light source module inside the lamp housing 10 can be repaired and replaced only by disassembling the lamp cover outer frame 41, and the screw 43 for locking the lamp cover outer frame 41 is used. Relatively hidden between the heat dissipation fins 12 of the top surface of the lamp housing 1, the overall projection lamp structure is relatively beautiful. In summary, this creation provides a better and feasible projection lamp structure, and proposes a new type of patent in accordance with the law; the technical content and technical features of this creation are disclosed above, but those familiar with the technology may still Based on the disclosure of this creation, various substitutions and modifications are made without departing from the spirit of the creation of the case. As a result of this, the scope of protection of this creation is not limited to those disclosed in the examples, but should include various alternatives and modifications that do not depart from the present invention and are covered by the following patent application. [Simple description of the diagram] The first picture is a three-dimensional view of the projection lamp of this creation. The second picture is an exploded view of the structure of the projection lamp of this creation. _ The third picture is the bottom structure of the projection lamp of this creation. _The fourth picture is the side structure diagram of the projection lamp of this creation. [Main component symbol description] 10 Lamp housing 23 Screw 11 Opening 30 Power conversion module 12 Heat sink fin 31 Positioning plate 13 Tab 311 Positioning hole 14 Air flow passage 40 Lamp cover 15 Screw hole 41 Shade frame 16 Mounting hole 411 Stud 20 Light source module 42 Translucent plate 21 Substrate 43 Screw 211 Screw perforation 50 Fixing frame 22 Light-emitting diode components