Bicycle lamp with high and low temperature protection

Abstract

The utility model discloses a bicycle lamp with high and low temperature protection. The bicycle lamp comprises a bicycle lamp body, lamp beads are installed at the front end of the bicycle lamp body, a circuit board is further installed in the bicycle lamp body, the lamp beads are electrically connected with the circuit board, a switch is installed on the bicycle lamp body, a temperature sensor is installed in the bicycle lamp body, and the temperature sensor is electrically connected with the circuit board. The two ends of the temperature sensor are located on the two sides of the installation substrate respectively. The temperature sensing end of the temperature sensor is located in a lamp holder cavity where the lamp beads are located. A clamping cavity is formed in a shell of the automobile lamp body. The automobile lamp circuit board controls the lamp beads to emit light for illumination work, the temperature sensor monitors the temperature during the period, and corresponding lamplight changes are conducted when the temperature exceeds the low-temperature interval and the high-temperature interval. According to the temperature condition fed back by the temperature sensor and a set temperature interval, the circuit board controls the brightness change of the lamp bead, so that the lamp bead works in a reasonable temperature protection interval, and the service life of the lamp bead is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of bicycle lamp, concretely relates to a bicycle lamp with high and low temperature protection. BACKGROUND

[0002] The bicycle lamp is important equipment when riding, and the bicycle lamp can remind pedestrians and vehicles to pay attention to the existence of the rider in dim environment or poor sight, so as to avoid collision, and can also illuminate the front road condition, help the rider to see the road obstacles, traffic signs or suddenly appearing pedestrians / animals, improve the visibility and guarantee the safety.

[0003] The bicycle lamp needs high and low temperature protection, mainly to ensure the reliability, safety and service life of the bicycle lamp in various extreme environments.

[0004] The current bicycle lamp lacks corresponding high and low temperature protection mechanism, and the long time light bead overheating in high temperature can cause the accelerated damage of the light bead, and the shell or circuit board can be brittle in extreme cold, and the shell or circuit board can be brittle in extreme cold. UTILITY MODEL CONTENTS

[0005] The utility model provides a bicycle lamp with high and low temperature protection, and the circuit board controls the light bead to emit light and work, according to the temperature condition of temperature sensor feedback, according to the temperature interval of setting, the circuit board controls the light bead brightness change, makes the light bead work in the temperature reasonable protection interval, improves the service life of light bead, to solve the problem in the background art.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a bicycle lamp with high and low temperature protection, including the car lamp body, the car lamp body front end is equipped with the light bead, the light bead is installed on the mounting substrate in the car lamp body, the car lamp body is also equipped with the circuit board, the light bead is electrically connected with the circuit board, the car lamp body is equipped with the switch, the car lamp body is equipped with the temperature sensor, and the temperature sensor is electrically connected with the circuit board.

[0007] Preferably, the light bead is provided with one, and the brightness of the light bead is controlled by the circuit board.

[0008] Preferably, the light bead is provided with a plurality of, and the plurality of light beads are controlled by the circuit board.

[0009] Preferably, the rear end of the car lamp body is equipped with a power supply interface and a control circuit interface.

[0010] Preferably, the temperature sensor is respectively located at both sides of the mounting substrate, one end of the temperature sensor temperature sensing is located in the lamp head cavity where the light bead is located, and the other end is located in the car lamp body and is electrically connected with the circuit board.

[0011] Preferably, the housing of the car lamp body is provided with a clamping cavity.

[0012] Preferably, the outer wall of the car lamp body is provided with ring grooves at the head end and tail end of the clamping cavity, the ring grooves are provided with a plurality of through holes penetrating the clamping cavity, and the ring grooves are matched with elastic sealing rings.

[0013] Preferably, the car lamp body is also provided with two second ring grooves, and the diameters of the cross-sectional arcs of the second ring grooves are the same as that of the ring grooves.

[0014] Compared with the prior art, the car lamp body has the beneficial effects that:

[0015] 1. The circuit board controls the light-emitting diode to emit light for illumination, and the temperature sensor monitors the temperature during the illumination, and the light changes when the temperature exceeds the low-temperature and high-temperature intervals.

[0016] 2. According to the temperature feedback of the temperature sensor and the set temperature interval, the circuit board controls the brightness change of the light-emitting diode, so that the light-emitting diode works in a temperature reasonable protection interval, and the service life of the light-emitting diode is improved.

[0017] 3. One end of the temperature sensor for temperature sensing is located in the lamp head cavity where the light-emitting diode is located, so that the concentrated heating area of the light-emitting diode can be directly detected, and the precision is high.

[0018] 4. The clamping cavity can be closed to insulate and reduce heat dissipation, and when opened, external air flow can enter to accelerate the heat dissipation of the car lamp body. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view of the structure of the utility model;

[0020] Figure 2 It is an enlarged structure schematic view of A of the utility model; Figure 1

[0021] Figure 3 It is a structure schematic view of the elastic sealing ring of the utility model.

[0022] In the drawing: 1, car lamp body; 2, light-emitting diode; 3, mounting base plate; 4, circuit board; 5, switch; 6, temperature sensor; 7, power supply interface; 8, control circuit interface; 9, clamping cavity; 10, ring groove; 11, through hole; 12, elastic sealing ring; 13, second ring groove. DETAILED DESCRIPTION

[0023] ​With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] Please refer to Figures 1-3 The present application provides a bicycle lamp with high and low temperature protection, comprising a lamp body 1, a lamp bead 2 is arranged at the front end of the lamp body 1, the lamp bead 2 is arranged on a mounting substrate 3 in the lamp body 1, a circuit board 4 is further arranged in the lamp body 1, the lamp bead 2 is electrically connected with the circuit board 4, a switch 5 is arranged on the lamp body 1, a temperature sensor 6 is arranged in the lamp body 1, and the temperature sensor 6 is electrically connected with the circuit board 4; the internal circuit is connected by opening the switch 5, the circuit board 4 controls the lamp bead 2 to emit light for lighting work, and the temperature sensor 6 monitors the temperature during the lighting work; when the temperature exceeds the low temperature and high temperature interval, the corresponding light changes.

[0025] Specifically, one lamp bead 2 is arranged, and the brightness of the lamp bead 2 is controlled by the circuit board 4; in this embodiment, according to the temperature feedback by the temperature sensor 6 and according to the set temperature interval, the circuit board 4 controls the brightness change of the lamp bead 2; when the temperature is higher than the set interval, the brightness is reduced to reduce heat generation; when the temperature is lower than the set temperature interval, the brightness is increased, so that the lamp bead 2 works in a temperature reasonably protected interval, and the service life of the lamp bead 2 is improved.

[0026] Specifically, a plurality of lamp beads 2 are arranged, and the plurality of lamp beads 2 are individually controlled by the circuit board 4; in this embodiment, according to the temperature feedback by the temperature sensor 6 and according to the set temperature interval, the circuit board 4 controls the lamp bead 2 to light up different numbers; when the temperature is higher than the set interval, the number of turned-on lamp beads 2 is reduced to reduce heat generation; when the temperature is lower than the set temperature interval, the number of turned-on lamp beads 2 is increased, so that the lamp bead 2 works in a temperature reasonably protected interval, and the service life of the lamp bead 2 is improved.

[0027] Specifically, a power interface 7 and a control line interface 8 are arranged at the rear end of the lamp body 1; in this embodiment, the power interface 7 is used for connecting an external power supply, and the control line interface 8 is connected with an external controller, such as a control button for adjusting the high beam and low beam.

[0028] Specifically, the temperature sensor 6 is located at two sides of the mounting substrate 3 respectively, one end of the temperature sensor 6 is located in the lamp head cavity where the lamp bead 2 is located, and the other end is located in the vehicle lamp body 1 and is electrically connected with the circuit board 4; in the embodiment, since the heat generation of different areas in the vehicle lamp is different, and the heat generation is concentrated in the lamp head, the one end of the temperature sensor 6 located in the lamp head cavity where the lamp bead 2 is located can directly detect the concentrated heat generation area of the lamp bead 2, and the precision is high.

[0029] Specifically, the housing of the vehicle lamp body 1 is provided with the clamping cavity 9; in the embodiment, the clamping cavity 9 can be heat-insulated when closed, and the heat dissipation is reduced; when opened, the external air flow can enter the clamping cavity 9 to accelerate the heat dissipation of the vehicle lamp body 1.

[0030] Specifically, the outer wall of the vehicle lamp body 1 is provided with the ring groove 10 located at the head end and the tail end of the clamping cavity 9, the ring groove 10 is provided with a plurality of through holes 11 penetrating the clamping cavity 9, and the ring groove 10 is matched with the elastic sealing ring 12; in the embodiment, the through holes 11 of the ring groove 10 are used to communicate the clamping cavity 9 with the outside, and the air flow enters the through holes 11 of the ring groove 10 at one end and flows out from the through holes 11 of the ring groove 10 at the other end, so that the heat dissipation is accelerated, which is beneficial to the heat dissipation at high temperature; and when used at low temperature, the elastic sealing ring 12 can block the through holes 11, so that the clamping cavity is heat-insulated and the heat dissipation is reduced.

[0031] Specifically, the vehicle lamp body 1 is also provided with two second ring grooves 13, and the diameters of the cross-sectional arcs of the second ring grooves 13 are the same as that of the ring groove 10; in the embodiment, the second ring grooves 13 are used to provide a placing space for the elastic sealing ring 12 when the through holes 11 are not blocked.

[0032] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process will be described in detail.

[0033] Working principle: the internal circuit is connected by turning on the switch 5, the circuit board 4 controls the lamp bead 2 to emit light for illumination, and the temperature sensor 6 monitors the temperature during the period, and the light changes when the temperature exceeds the low-temperature and high-temperature intervals; so that according to the temperature feedback of the temperature sensor 6, according to the set temperature interval, the circuit board 4 controls the brightness of the lamp bead 2, when the temperature is higher than the set interval, the brightness of the lamp bead 2 is reduced, so as to reduce the heat generation, and when the temperature is lower than the set temperature interval, the brightness of the lamp bead 2 is increased, so that the lamp bead 2 works in the temperature reasonable protection interval, and the service life of the lamp bead 2 is improved.

[0034] Since different areas in the car lamp heat differently, and the heat is concentrated at the lamp head, one end of the temperature sensor 6 temperature sensing is located in the lamp head cavity where the lamp bead 2 is located, which can directly detect the concentrated heat area of the lamp bead 2 work, and the precision is high; By setting the clamping cavity 9, when closed, heat insulation can be performed, and heat dissipation can be reduced; When opening, external air flow can enter it to speed up the internal heat dissipation of the car lamp body 1.

[0035] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A bicycle lamp with high and low temperature protection, comprising a lamp body (1), characterized in that, The car lamp body (1) is provided with a lamp bead (2) at the front end, the lamp bead (2) is installed on the mounting base plate (3) in the car lamp body (1), the car lamp body (1) is further provided with a circuit board (4), the lamp bead (2) is electrically connected with the circuit board (4), the car lamp body (1) is provided with a switch (5), the car lamp body (1) is provided with a temperature sensor (6), and the temperature sensor (6) is electrically connected with the circuit board (4).

2. A bicycle light with high and low temperature protection according to claim 1, characterized in that, The lamp bead (2) is provided with one, and the brightness of the lamp bead (2) is controlled by the circuit board (4).

3. The bicycle light with high and low temperature protection according to claim 1, characterized in that, The lamp bead (2) is provided with a plurality of, and the plurality of lamp beads (2) are individually controlled by the circuit board (4).

4. The high and low temperature protected bicycle light of claim 1, wherein, The rear end of the car lamp body (1) is provided with a power supply interface (7) and a control circuit interface (8).

5. The high and low temperature protected bicycle light of claim 1, wherein, The temperature sensor (6) is respectively located at the two sides of the mounting base plate (3), one end of the temperature sensor (6) for temperature sensing is located in the lamp head cavity where the lamp bead (2) is located, the other end is located in the car lamp body (1) and is electrically connected with the circuit board (4).

6. The high and low temperature protected bicycle light of claim 1, wherein, The car lamp body (1) is provided with a clamping cavity (9) in the shell.

7. A bicycle light with high and low temperature protection according to claim 6, characterized in that, The outer wall of the car lamp body (1) is provided with a ring groove (10) located at the head end and the tail end of the clamping cavity (9), the ring groove (10) is provided with a plurality of through holes (11) penetrating the clamping cavity (9), and the ring groove (10) is matched with an elastic sealing ring (12).

8. A bicycle light with high and low temperature protection according to claim 7, characterized in that, The car lamp body (1) is further provided with two second ring grooves (13), and the diameter of the cross section circular arc of the second ring groove (13) is the same as that of the ring groove (10).

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