CN217356616U - Stage lamp with ultra-low temperature starts function - Google Patents
Stage lamp with ultra-low temperature starts function Download PDFInfo
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- CN217356616U CN217356616U CN202221023085.1U CN202221023085U CN217356616U CN 217356616 U CN217356616 U CN 217356616U CN 202221023085 U CN202221023085 U CN 202221023085U CN 217356616 U CN217356616 U CN 217356616U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses a stage lamp with ultra-low temperature start function, including quick-witted case, the pin joint is in the arm of quick-witted case, the pin joint is in the inboard lamp holder of arm, be located the preheating system of quick-witted incasement and be used for the main switch power supply for the stage lamp power supply, the preheating system includes auxiliary switch power supply, temperature control module, 1 at least heating element and be used for detecting the temperature sensor of quick-witted incasement temperature, auxiliary switch power supply and commercial power connection just have first output and second output, temperature control module is connected with first output, heating element is connected with the second output, temperature sensor is connected with temperature control module; the main switch power supply is connected with commercial power through a normally open switch, the heating element is connected with the auxiliary switch power supply through a heating switch, and the normally open switch and the heating switch are both electrically connected with the temperature control module; the lower limit of the working temperature of the main switch power supply is a starting temperature threshold, and the rated working temperatures of the auxiliary switch power supply, the temperature control module, the temperature sensor and the heating switch are all smaller than the starting temperature threshold.
Description
Technical Field
The utility model relates to a stage lamp technical field, more specifically relates to a stage lamp with ultra-low temperature start function.
Background
The minimum operating temperature of most stage lights on the market is typically-20 ℃, which is limited by the start-up temperature of the electronic components inside the stage lights, especially the operating temperature of the switching power supply. This results in that the stage lamp cannot be started in an extremely cold environment, and the use scene thereof is greatly restricted, resulting in a reduction in the market. If the switching power supply and other electronic components are replaced with a type that can be started at low temperatures, this solution, although solving the problem to some extent, is expensive. Meanwhile, even if the lamp runs forcibly at extremely cold temperature, lubricating oil between transmission assemblies in the lamp is condensed due to low temperature and cannot play a lubricating role, so that the internal structure of the lamp is easily damaged during low-temperature running, and the service life is greatly shortened.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned prior art at least a defect, provide a stage lamp with ultra-low temperature start function, solved the problem of the unable normal boot of stage lamp under extremely cold temperature, weakened the restriction that extremely low temperature used stage lamp greatly, and the cost is lower.
In order to solve the technical problem, the utility model discloses a technical scheme is: a stage lamp with an ultralow temperature starting function comprises a case, an arm pivoted to the case, a lamp holder pivoted to the inner side of the arm, a preheating system located in the case and a main switch power supply used for supplying power to the stage lamp, wherein the preheating system comprises an auxiliary switch power supply, a temperature control module, at least 1 heating element and a temperature sensor used for detecting the temperature in the case, the auxiliary switch power supply is connected with a mains supply and is provided with a first output end and a second output end, the temperature control module is connected with the first output end, the heating element is connected with the second output end, and the temperature sensor is connected with the temperature control module; the main switch power supply is connected with a mains supply through a normally open switch, the heating element is connected with the auxiliary switch power supply through a heating switch, and the normally open switch and the heating switch are both electrically connected with the temperature control module; the lower limit of the working temperature of the main switch power supply is a starting temperature threshold, and the rated working temperatures of the auxiliary switch power supply, the temperature control module, the temperature sensor and the heating switch are all smaller than the starting temperature threshold.
Through adding preheating system in stage lamp inside, be less than at ambient temperature during the start temperature threshold value, auxiliary switch power supply is through becoming the alternating current with the commercial power and can supplying temperature control module temperature sensor reaches the direct current that heating switch used, give temperature sensor signal transmission after surveying near temperature control module, temperature control module then controls heating switch closes the messenger heating switch closes the direct current of auxiliary switch power supply and gives heating element makes its intensification to stage lamp internal heating, in order to reach the start temperature threshold value, temperature control module receives close behind temperature sensor's the temperature normally open switch makes the main switch power normally starts, breaks off at last heating switch makes heating element stop work. The auxiliary switch power supply is low in power and the preheating system is low in cost, and the stage lamp can be normally started in the ultralow-temperature environment without replacing internal elements of the stage lamp in a large batch. Meanwhile, the main switch power supply is connected with the mains supply through the normally open switch, so that the switch power supply is always kept in a non-energized state in the environment lower than the starting temperature threshold, and the switch power supply is prevented from being started in the environment lower than the starting temperature threshold to cause burnout.
Further, the heating switch is a normally closed switch. When the auxiliary switch power supply is connected with the mains supply, the heating element can receive the current from the auxiliary switch power supply and start heating, and the working process of the preheating system is simplified.
Further, the normally open switch and/or the heating switch is a relay switch. The relay switch can control a circuit with larger power by a tiny control quantity, and has sensitive response and high stability.
Further, the start-up temperature threshold is-20 ℃. The preheating system can still be normally started in the environment below-20 ℃, and the internal environment of the stage lamp is heated to realize the function of ultralow temperature starting.
Furthermore, the working temperature of the auxiliary switch power supply, the temperature control module, the temperature sensor and the heating switch is more than or equal to-40 ℃. The normal operation of the preheating system in the temperature range of-20 ℃ to-40 ℃ is guaranteed, namely the normal starting temperature of the stage lamp is not less than-40 ℃, and the use scenes of the stage lamp are further increased.
Further, the temperature sensor is disposed near the main switching power supply. Due to the arrangement, the temperature sensor can monitor the temperature of the working environment of the main switching power supply in real time and transmit a signal to the temperature control module, the heating switch is switched off when the temperature is too high, and the heating switch is switched off when the temperature is too low, so that the main switching power supply can work in the environment with proper temperature.
Further, the heating element is disposed proximate to the main switching power supply. The heat emitted by the heating element is conducted to the main switching power supply as much as possible, so that the preheating operation is more efficient.
Further, the temperature sensor and the heating element are arranged in the lamp holder. Because most of electronic components of the stage lamp are arranged in the lamp holder, the electronic components in the lamp holder can realize the function of low-temperature starting.
Furthermore, the temperature sensor and the heating element are arranged in the arm. The arrangement can enable the electronic components positioned in the arm to realize the function of low-temperature starting.
Furthermore, the plurality of heating elements are arranged in parallel and are connected with the auxiliary switch power supply through the independent heating switches, and each heating switch is electrically connected with the temperature control module. By the arrangement, the heating elements can independently operate, heating work can be performed on a certain part in the stage lamp, and the heating elements cannot influence each other.
Drawings
Fig. 1 is a schematic diagram of a system framework of the intermediate preheating system and the main switching power supply of the present invention.
Fig. 2 is a schematic diagram of a system framework of a preheating system and a main switching power supply according to another embodiment of the present invention.
Fig. 3 is a schematic diagram of the internal structure of the middle chassis of the present invention.
Fig. 4 is the overall structure diagram of the stage lamp with low temperature starting function of the present invention.
In the figure:
100. a preheating system; 110. an auxiliary switching power supply; 120. a temperature control module; 130. a heating element; 140. a temperature sensor; 150. a heating switch; 200. a chassis; 300. an arm; 400. a lamp cap; 500. a main switching power supply; 600. a normally open switch; 700. and a function control module.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and should not be construed as limiting the present patent.
As shown in fig. 1 to 4, a stage lamp with an ultra-low temperature start function includes a case 200, an arm 300 pivoted to the case 200, a lamp holder 400 pivoted to an inner side of the arm 300, a preheating system 100 located in the case 200, and a main switching power supply 500 for supplying power to the stage lamp, wherein the preheating system 100 includes an auxiliary switching power supply 110, a temperature control module 120, at least 1 heating element 130, and a temperature sensor 140 for detecting a temperature in the case 200, the auxiliary switching power supply 110 is connected to a mains supply and has a first output end and a second output end, the temperature control module 120 is connected to the first output end, the heating element 130 is connected to the second output end, and the temperature sensor 140 is connected to the temperature control module 120; the main switch power supply 500 is connected with a mains supply through a normally open switch 600, the heating element 130 is connected with the auxiliary switch power supply 110 through a heating switch 150, and both the normally open switch 600 and the heating switch 150 are electrically connected with the temperature control module 120; the lower limit of the working temperature of the main switching power supply 500 is a starting temperature threshold, and the rated working temperatures of the auxiliary switching power supply 110, the temperature control module 120, the temperature sensor 140 and the heating switch 150 are all less than the starting temperature threshold.
By incorporating the preheating system 100 inside the stage light, when the ambient temperature is below the start-up temperature threshold, the auxiliary switching power supply 110 converts the ac power of the commercial power into the dc power for the temperature control module 120, the temperature sensor 140 and the heating switch 150, the temperature sensor 140 detects the temperature in the vicinity and transmits a signal to the temperature control module 120, the temperature control module 120 then controls the heating switch 150 to turn off so that the dc power of the auxiliary switching power supply 110 is transmitted to the heating element 130 to heat the interior of the stage lamp, when the temperature sensor 140 detects that the temperature reaches the start temperature threshold, the temperature control module 120 turns off the normally open switch 600 after receiving the temperature of the temperature sensor 140, so as to normally start the main switching power supply 500, and finally turns off the heating switch 150, so as to stop the operation of the heating element 130. The auxiliary switch power supply 110 has low power and the preheating system 100 has low cost, and the stage lamp can be normally started in the ultralow temperature environment without replacing the internal elements of the stage lamp in a large batch. Meanwhile, the main switching power supply 500 is connected with the mains supply through the normally open switch 600, so that the switching power supply is always kept in a non-electrified state in an environment lower than a starting temperature threshold, and the switching power supply is prevented from being burnt out due to starting in the environment lower than the starting temperature threshold. The temperature sensor 140 is arranged to monitor the temperature of the whole interior of the stage lamp or the environment where the main electronic components are located, and can also prevent the heating element 130 from continuously heating to cause the temperature of the stage lamp to be too high to burn out.
Preferably, the mains may be a universal voltage in any country, for example 220V in china, and 120V in the united states, 230V in the united kingdom, france.
Preferably, the heating element 130 is at least one of a resistance wire, a heating wire or a semiconductor heater.
Preferably, the stage lamp further comprises a function control module 700 for controlling each function of the stage lamp, wherein the function control module 700 is electrically connected with the main switching power supply 500.
In a preferred embodiment of the present invention, the heating switch 150 is a normally closed switch. When the auxiliary switching power supply 110 is connected to the commercial power, the heating element 130 may receive the current from the auxiliary switching power supply 110 to start the heating operation, which simplifies the operation of the preheating system 100.
In a preferred embodiment of the present invention, the normally open switch 600 and/or the heating switch 150 is a relay switch. The relay switch can control a circuit with higher power by a very small control quantity, and has sensitive response and high stability.
Optionally, the normally open switch 600 and/or the heating switch 150 may also be solid state switches.
In a preferred embodiment of the present invention, the start-up temperature threshold is-20 ℃. The preheating system 100 can still be normally started in the environment of the stage lamp below-20 ℃, and the internal environment of the stage lamp is heated to raise the temperature, so that the function of starting at ultra-low temperature is realized.
In the preferred embodiment of the present invention, the operating temperature of the auxiliary switching power supply 110, the temperature control module 120, the temperature sensor 140 and the heating switch 150 is ≧ 40 ℃. The preheating system 100 can still normally work at the temperature ranging from-20 ℃ to-40 ℃, namely the normal starting temperature of the stage lamp is more than or equal to-40 ℃, and the use scenes of the stage lamp are further increased.
In the preferred embodiment of the present invention, the temperature sensor 140 is disposed near the main switching power supply 500. With such an arrangement, the temperature sensor 140 can monitor the temperature of the working environment of the main switching power supply 500 in real time and transmit a signal to the temperature control module 120, and switch off the heating switch 150 when the temperature is too high, and switch off the heating switch 150 when the temperature is too low, so that the main switching power supply 500 can work in an environment with a proper temperature.
In a preferred embodiment of the present invention, the heating element 130 is disposed near the main switching power supply 500. The heat generated by the heating element 130 is conducted to the main switching power supply 500 as much as possible, so that the preheating operation is more efficient.
Preferably, the main switching power supply 500 is installed in the cabinet 200.
In the preferred embodiment of the present invention, the temperature sensor 140 and the heating element 130 are disposed in the lamp head 400. Since most of the electronic components of the stage lamp are arranged inside the lamp head 400, the electronic components in the lamp head 400 can be started at a low temperature by the arrangement.
Preferably, the lamp head 400 further comprises a light source driving board for driving the light source, the heating element 130 and the temperature sensor 140 are disposed near the light source driving board, and the preheating system 100 can precisely preheat the light source driving board. Since the light source may generate a large amount of hot air and diffuse inside the stage light cavity after being activated, the heating element 130 may stop heating if the light source driving board is normally activated.
In the preferred embodiment of the present invention, the temperature sensor 140 and the heating element 130 are disposed in the arm 300. Such an arrangement allows the electronic components located within the arm 300 to function as a low temperature starter.
Preferably, lubricating oil is adopted for lubricating the transmission assemblies at the pivot joint positions, and when the temperature near the pivot joint positions is too low, the lubricating oil is condensed to cause the transmission assemblies to be blocked, so that the temperature sensor 140 and the heating element 130 are arranged close to the pivot joint positions of the arms 300, the pivot joint positions can be precisely heated, the heating time of the preheating system 100 is greatly shortened, and the working efficiency is improved.
As shown in fig. 1, in the preferred embodiment of the present invention, a plurality of heating elements 130 are disposed in parallel and connected to the auxiliary switching power supply 110 through independent heating switches 150, and each heating switch 150 is electrically connected to the temperature control module 120. With such an arrangement, the heating elements 130 can be operated independently, and heating operation can be performed for a certain portion of the stage lamp, and the plurality of heating elements 130 do not affect each other.
As shown in fig. 2, in another embodiment of the present invention, a plurality of the heating elements 130 are arranged in parallel and are connected to the auxiliary switch power supply 110 through the same heating switch 150, when the temperatures detected by all the temperature sensors 140 are higher than or equal to the starting temperature threshold, that is, the internal temperatures of all the cavities inside the stage lamp reach the starting temperature threshold, at this time, the temperature control module 120 controls the heating switch 150 to be turned off, so that the heating elements 130 stop heating, and the situation that the electronic components are burned due to the overhigh temperature caused by continuous heating is avoided.
It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A stage lamp with ultra-low temperature starting function comprises a case (200), an arm (300) pivoted on the case (200), a lamp holder (400) pivoted on the inner side of the arm (300), a preheating system (100) positioned in the case (200) and a main switch power supply (500) used for supplying power to the stage lamp, characterized in that the preheating system (100) comprises an auxiliary switching power supply (110), a temperature control module (120), at least 1 heating element (130) and a temperature sensor (140) for detecting the temperature in the cabinet (200), the auxiliary switching power supply (110) is connected with the commercial power and is provided with a first output end and a second output end, the temperature control module (120) is connected to the first output, the heating element (130) is connected to the second output, and the temperature sensor (140) is connected to the temperature control module (120); the main switch power supply (500) is connected with a mains supply through a normally open switch (600), the heating element (130) is connected with the auxiliary switch power supply (110) through a heating switch (150), and the normally open switch (600) and the heating switch (150) are both electrically connected with the temperature control module (120); the lower limit of the working temperature of the main switch power supply (500) is a starting temperature threshold, and the rated working temperatures of the auxiliary switch power supply (110), the temperature control module (120), the temperature sensor (140) and the heating switch (150) are all smaller than the starting temperature threshold.
2. The stage lamp of claim 1, wherein the heating switch (150) is a normally closed switch.
3. Stage lamp according to claim 1, characterized in that the normally open switch (600) and/or the heating switch (150) is a relay switch.
4. The stage lamp of claim 1, wherein the start-up temperature threshold is-20 ℃.
5. The stage lamp according to claim 1, wherein the auxiliary switching power supply (110), the temperature control module (120), the temperature sensor (140) and the heating switch (150) operate at a temperature of ≧ 40 ℃.
6. Stage lamp according to claim 1, characterized in that the temperature sensor (140) is arranged close to the main switching power supply (500).
7. The stage lamp of claim 1, wherein the heating element (130) is disposed proximate to the main switching power supply (500).
8. Stage lamp according to claim 1, characterized in that the temperature sensor (140) and the heating element (130) are arranged inside the lamp base (400).
9. Stage lamp according to claim 1, characterized in that the temperature sensor (140) and the heating element (130) are arranged inside the arm (300).
10. Stage lamp according to claim 8 or 9, characterized in that a plurality of said heating elements (130) are arranged in parallel and connected to said auxiliary switching power supply (110) through separate said heating switches (150), each said heating switch (150) being electrically connected to said temperature control module (120).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221023085.1U CN217356616U (en) | 2022-04-29 | 2022-04-29 | Stage lamp with ultra-low temperature starts function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221023085.1U CN217356616U (en) | 2022-04-29 | 2022-04-29 | Stage lamp with ultra-low temperature starts function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217356616U true CN217356616U (en) | 2022-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221023085.1U Active CN217356616U (en) | 2022-04-29 | 2022-04-29 | Stage lamp with ultra-low temperature starts function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217356616U (en) |
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2022
- 2022-04-29 CN CN202221023085.1U patent/CN217356616U/en active Active
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