CN215268800U

CN215268800U - Special low-temperature LED power supply

Info

Publication number: CN215268800U
Application number: CN202121246266.6U
Authority: CN
Inventors: 闫军
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-12-21
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a special LED power of low temperature, including switching power supply module, temperature control module, ambient temperature detection sensor and heating module, switching power supply module's input is connected with the municipal power supply, LED lighting apparatus and temperature control module are connected respectively to switching power supply module's output, ambient temperature detection sensor and heating module are connected to temperature control module. The utility model discloses a special LED power of low temperature has set up temperature control module, ambient temperature and has detected sensor and heating module, has realized ambient temperature's real-time detection, transmission and heating, has stopped frequency shock chip in the switching power supply under the low temperature environment and has started the problem that difficulty and output voltage are unstable, output descends, has improved electrical component's performance under the low temperature environment, the utility model relates to a rationally, can realize the normal start and the work of LED power under the low temperature environment, be applicable to freezer and the cold area use of low temperature.

Description

Special low-temperature LED power supply

Technical Field

The utility model relates to a LED power technical field, specific special LED power of low temperature that says so.

Background

The LED power supply in the prior art does not have any problem when working at normal temperature, but when the LED power supply is used in a cold storage or a low-temperature cold region, the problems of difficult starting, low output power and the like easily occur because the ambient temperature is too low. The reason for these problems is that the performance of some electrical components is reduced under low temperature condition of the switching power supply, for example, the actual capacity of the electrolytic capacitor is less affected by the low external temperature, and is only about 70% of the original rated capacity. The frequency oscillation chip in the switching power supply is difficult to start in a low-temperature environment, and even after the switching power supply is just started, the switching power supply is easily influenced by the feedback circuit to cause unstable output voltage and reduce the whole output power.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of prior art existence, and provide a special LED power of low temperature.

For solving the technical problem, the utility model discloses a special LED power of low temperature, detect sensor and heating module including switching power supply module, temperature control module, ambient temperature, switching power supply module's input is connected with municipal power supply, LED lighting apparatus and temperature control module are connected respectively to switching power supply module's output, ambient temperature detects sensor and heating module is connected to temperature control module.

Further, when the temperature control module receives a low-temperature signal transmitted by the ambient temperature detection sensor, the temperature control module detects the voltage at the output end of the switching power supply module.

Further, when the temperature control module detects that the voltage at the output end of the switching power supply module is too low, the temperature control module controls the heating module to start, so as to heat the environment where the switching power supply module is located.

Further, when the temperature control module detects that the voltage at the output end of the switching power supply module is normal, the temperature control module controls the heating module to be turned off.

Furthermore, the environment temperature detection sensor measures the environment temperature and transmits the measurement data to the temperature control module, the applicable temperature range of the environment temperature detection sensor is-40 ℃ to 50 ℃, and the measurement precision is 0.1 ℃.

To sum up, the utility model discloses following beneficial effect has:

the utility model discloses a special LED power of low temperature has set up temperature control module, ambient temperature and has detected sensor and heating module, has realized ambient temperature's real-time detection, transmission and heating, has stopped frequency shock chip in the switching power supply under the low temperature environment and has started the problem that difficulty and output voltage are unstable, output descends, has improved electrical component's performance under the low temperature environment, the utility model relates to a rationally, can realize the normal start and the work of LED power under the low temperature environment, be applicable to freezer and the cold area use of low temperature.

Drawings

The invention will be described in further detail with reference to the following drawings and embodiments:

fig. 1 is a schematic diagram of a low-temperature special LED power supply according to the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, embodiments of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The invention will be further described with reference to the accompanying drawings:

according to the attached figure 1, the LED power supply special for low temperature comprises a switch power supply module, a temperature control module, an environment temperature detection sensor and a heating module, wherein the input end of the switch power supply module is connected with municipal power supply, the output end of the switch power supply module is respectively connected with an LED lighting device and the temperature control module, the temperature control module is connected with the environment temperature detection sensor and the heating module, the environment temperature detection sensor has the functions of detecting the real-time environment temperature and transmitting a temperature signal to the temperature control module, the applicable temperature range of the environment temperature detection sensor is-40-50 ℃, the measurement precision is 0.1 ℃, in the embodiment, the temperature control module is a single chip microcomputer, and the heating module is an electric heating wire. The utility model discloses when using, the temperature that temperature control module controlled needs to be preset as required earlier, and when temperature control module received the temperature signal that ambient temperature detected sensor transmission and was less than the temperature that temperature control module set up in advance, temperature control module detected the voltage of switching power supply module's output, and when keeping off temperature control module and detecting the voltage of switching power supply module's output and being too low, temperature control module control heating module starts, and heating module heats the environment of switching power supply module's whereabouts, improves ambient temperature to guarantee the normal start-up difficulty of the frequency oscillation chip in the switching power supply and output voltage, output power's stability; when the temperature control module detects that the voltage of the output end of the switching power supply module is normal, the temperature control module controls the heating module to be closed.

The utility model discloses a set up temperature control module, ambient temperature and detect sensor and heating module, realized ambient temperature's real-time detection, transmission and heating, stopped frequency shock chip in the switching power supply under the low temperature environment and started difficulty and the unstable, the problem that output descends of output voltage, improved electrical component's performance under the low temperature environment, the utility model relates to a rationally, can realize the normal start and the work of LED power under the low temperature environment, be applicable to freezer and the cold area of low temperature and use.

To sum up, the present invention is not limited to the above-mentioned specific embodiments. Those skilled in the art may make numerous changes and modifications without departing from the spirit and scope of the present invention. The protection scope of the present invention shall be subject to the claims of the present invention.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Claims

1. The utility model provides a special LED power of low temperature which characterized in that, includes switching power supply module, temperature control module, ambient temperature detection sensor and heating module, switching power supply module's input is connected with municipal power supply, LED lighting apparatus and temperature control module are connected respectively to switching power supply module's output, ambient temperature detection sensor and heating module are connected to temperature control module.

2. The special low-temperature LED power supply as claimed in claim 1, wherein when the temperature control module receives a low-temperature signal transmitted by the ambient temperature detection sensor, the temperature control module detects the voltage at the output terminal of the switching power supply module.

3. The special low-temperature LED power supply as claimed in claim 2, wherein when the temperature control module detects that the voltage at the output end of the switching power supply module is too low, the temperature control module controls the heating module to start up to heat the environment of the switching power supply module.

4. The special low-temperature LED power supply as claimed in claim 3, wherein the temperature control module controls the heating module to turn off when the temperature control module detects that the voltage at the output end of the switching power supply module is normal.

5. The special low-temperature LED power supply as claimed in claim 1, wherein the ambient temperature detection sensor measures the ambient temperature and transmits the measured data to the temperature control module, the applicable temperature range of the ambient temperature detection sensor is-40 ℃ to 50 ℃, and the measurement precision is 0.1 ℃.