Wireless doorbell receiver powered by USB and doorbell

Abstract

The utility model relates to the technical field of doorbells, in particular to a wireless doorbell receiver powered by a USB (Universal Serial Bus) and a doorbell. The wireless doorbell receiver powered by the USB comprises a receiver body, the receiver body comprises an adjusting assembly, a playing assembly and a light-emitting assembly, the playing assembly and the light-emitting assembly are electrically connected with the adjusting assembly, and the adjusting assembly controls the playing assembly and the light-emitting assembly to achieve audio and visual prompt setting. And the receiver main body is powered by a USB (Universal Serial Bus). According to the utility model, the wireless doorbell receiver is powered by the USB and does not need to depend on a built-in or disposable battery, so that the frequency of checking and replacing the battery by a user is reduced, the missing of visitor notification is avoided, and the user experience is improved; in addition, the economic cost and the influence on the environment are reduced; in addition, the receiver is further provided with a playing assembly, a light-emitting assembly and an adjusting assembly, the setting allows a user to adjust audio and visual prompts in a personalized mode, and therefore the diversified requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to doorbell technical field, concretely a kind of USB power's wireless doorbell receiver and doorbell. BACKGROUND

[0002] Wireless doorbell as a kind of electronic equipment that can be installed and used without wiring, visitor information is delivered to indoor receiver using wireless signal transmission technology, which provides great convenience for users. However, while enjoying the convenience, the current wireless doorbell receiver also has some problems. First, the traditional wireless doorbell receiver mainly relies on built-in battery or disposable battery power supply, which requires users to regularly check the battery status and replace the depleted battery in time, thereby increasing the user's maintenance workload. In addition, sudden depletion of battery power may result in missing important visitor notifications, affecting user experience, and frequent battery replacement not only increases economic cost, but also has an impact on the environment.

[0003] Therefore, it is necessary to develop a USB-powered wireless doorbell receiver to solve the problem of regular battery replacement of traditional wireless doorbell. SUMMARY

[0004] In view of the problem that the wireless doorbell receiver in the prior art relies on built-in battery or disposable battery power supply, resulting in the need for regular battery inspection and replacement, the technical solution adopted by the utility model to solve its technical problem is:

[0005] A USB-powered wireless doorbell receiver, comprising a receiver main body, wherein the receiver main body comprises an adjustment assembly, a playback assembly and a light-emitting assembly electrically connected to the adjustment assembly respectively, the adjustment assembly controls the playback assembly and the light-emitting assembly to realize audio and visual prompt setting, and the receiver main body is powered by USB.

[0006] Further, the USB-powered wireless doorbell receiver according to the scheme further comprises a receiver housing and a power supply assembly located in the inner cavity of the receiver housing, the playback assembly is fixed in the inner cavity of the receiver housing and extends outside the receiver housing, the light-emitting assembly and the adjustment assembly are arranged on the receiver housing, and the power supply assembly is provided with a power supply connector.

[0007] Further, the USB-powered wireless doorbell receiver according to the scheme further comprises a first housing and a second housing connected to the first housing, the first housing is provided with a housing inner cavity, the light-emitting assembly is arranged on the first housing and surrounds the playback assembly, and the cross section of the light-emitting assembly is arranged in a horn shape.

[0008] Further, the USB-powered wireless doorbell receiver according to the scheme, wherein the playing assembly comprises an amplifying part and a speaker part, the amplifying part is provided with an amplifying part inner cavity and an amplifying hole for amplifying sound, the amplifying part inner cavity is provided with a fixing hole, and the speaker part is fixed in the fixing hole.

[0009] Further, the USB-powered wireless doorbell receiver according to the scheme, wherein the first shell is provided with a matching hole located on a side away from the second shell and a first buckle part located in the shell inner cavity, the amplifying part is provided with a matching end, a limiting step protruding in a circumferential direction of the matching end, and a first buckle end arranged in a circumferential direction of the limiting step, the matching hole is matched with the matching end, the limiting step is abutted with an inner wall of the shell inner cavity, and the first buckle part is matched with the first buckle end, so that the amplifying part is fixed on the first shell.

[0010] Further, the USB-powered wireless doorbell receiver according to the scheme, wherein the shell inner cavity is further provided with a reinforcing end protruding in a direction of the limiting step and matched with the limiting step.

[0011] Further, the USB-powered wireless doorbell receiver according to the scheme, wherein the adjusting assembly is arranged on the first shell and located on a side adjacent to the light-emitting assembly, and the adjusting assembly comprises a first button for controlling volume and a second button for controlling the light-emitting assembly and selecting music.

[0012] Further, the USB-powered wireless doorbell receiver according to the scheme, wherein the first shell is further provided with an avoiding hole, the shell inner cavity is provided with a positioning end, the power supply assembly is further provided with a positioning hole, the positioning end is matched with the positioning hole, and the power supply connector is matched with the avoiding hole, so that the power supply assembly is fixed in the shell inner cavity.

[0013] Further, the USB-powered wireless doorbell receiver according to the scheme, wherein the shell inner cavity is provided with a second buckle part, the second shell is provided with a second buckle end, and the second buckle part and the second buckle end are matched, so that the first shell and the second shell are buckle-connected.

[0014] Further, the doorbell further comprises a wireless doorbell transmitter.

[0015] The USB-powered wireless doorbell receiver has the following beneficial effects:

[0016] The utility model discloses a USB power's wireless doorbell receiver appearance schematic diagram for the utility model discloses a USB power's wireless doorbell receiver.

[0017] The utility model discloses further will be described in connection with the drawings and specific embodiment. DRAWINGS

[0018] Figure 1 The utility model discloses a USB power's wireless doorbell receiver appearance schematic diagram for the utility model discloses a USB power's wireless doorbell receiver.

[0019] Figure 2 The utility model discloses a USB power's wireless doorbell receiver appearance schematic diagram for the utility model discloses a USB power's wireless doorbell receiver.

[0020] Figure 3 The utility model discloses a USB power's wireless doorbell receiver appearance schematic diagram for the utility model discloses a USB power's wireless doorbell receiver.

[0021] Figure 4 The utility model discloses a USB power's wireless doorbell receiver appearance schematic diagram for the utility model discloses a USB power's wireless doorbell receiver.

[0022] Figure 5 The utility model discloses a USB power's wireless doorbell receiver appearance schematic diagram for the utility model discloses a USB power's wireless doorbell receiver.

[0023] Figure 6 The utility model discloses a USB power's wireless doorbell receiver appearance schematic diagram for the utility model discloses a USB power's wireless doorbell receiver.

[0024] Figure 7 The utility model discloses a USB power's wireless doorbell receiver appearance schematic diagram for the utility model discloses a USB power's wireless doorbell receiver.

[0025] Figure 8 The utility model discloses a USB power's wireless doorbell receiver appearance schematic diagram for the utility model discloses a USB power's wireless doorbell receiver. DETAILED DESCRIPTION

[0026] The utility model discloses further will be described in connection with the drawings and specific embodiment.

[0027] As Figures 1-8The utility model discloses a USB powered wireless doorbell receiver, including receiver main part 1, wherein the receiver main part 1 includes the adjustment component 4, and the play component 2 and the light emitting component 3 are electrically connected with the adjustment component 4 respectively, the adjustment component 4 is through the control play component 2 and light emitting component 3 to realize audio and visual prompt setting, and the receiver main part 1 is powered by USB.

[0028] The utility model discloses a USB powered wireless doorbell receiver, including receiver main part 1, wherein the receiver main part 1 includes the adjustment component 4, and the play component 2 and the light emitting component 3 are electrically connected with the adjustment component 4 respectively, the adjustment component 4 is through the control play component 2 and light emitting component 3 to realize audio and visual prompt setting, and the receiver main part 1 is powered by USB.

[0029] The utility model discloses a USB powered wireless doorbell receiver, including receiver main part 1, wherein the receiver main part 1 includes the adjustment component 4, and the play component 2 and the light emitting component 3 are electrically connected with the adjustment component 4 respectively, the adjustment component 4 is through the control play component 2 and light emitting component 3 to realize audio and visual prompt setting, and the receiver main part 1 is powered by USB.

[0030] Specifically, in the embodiment, when a visitor presses the doorbell button, the wireless doorbell receiver can activate a corresponding one of five working modes according to the visitor's preselection through the adjustment component 4. The first mode is loud volume plus flashing light, suitable for situations requiring obvious auditory and visual prompts. The second mode is medium volume plus flashing light, suitable for environments where the volume is to be reduced but some visual prompts are still needed. The third mode is low volume plus flashing light, suitable for night time or situations where a slight reminder is needed without disturbing others' rest. The fourth mode has only flashing light without speaker sound, especially suitable for deaf-mutes, who can know the arrival of a visitor through visual changes. The fifth mode has only speaker sound without light flashing, a mode specially designed for the blind, ensuring that they can receive the visitor's notification through hearing. Further, in the embodiment, the light emitting component 3 is a multicolor light. In other embodiments, the light emitting component 3 can be a single-color light or can be switched between single-color and multicolor.

[0031] Further, as Figures 1-8The present invention discloses a USB-powered wireless doorbell receiver, wherein the receiver body 1 further includes a receiver housing 5 and a power supply component 6 located in the inner cavity of the receiver housing 5, the playback component 2 is fixed to the inner cavity of the receiver housing 5 and extends out of the receiver housing 5, the light-emitting component 3 and the adjustment component 4 are disposed on the receiver housing 5, and the power supply component 6 is provided with a power supply connector 61.

[0032] This invention achieves USB power supply for the wireless doorbell receiver by setting a receiver housing 5 and a power supply component 6 located inside the receiver housing 5 within the receiver body 1. The power connector 61 on the power supply component 6 ensures that the receiver can stably obtain power from the USB power source, thus eliminating the need for built-in or disposable batteries, further reducing the user's maintenance workload, and preventing missed visitor notifications due to sudden power depletion. Furthermore, the playback component 2 is fixed inside the receiver housing 5, with the amplification part extending outside, ensuring the sound quality and intensity of the audio prompts. Furthermore, by placing the light-emitting component 3 and the adjustment component 4 on the receiver housing 5, not only is the ease of operation improved, allowing users to perform intuitive operations directly on the casing, but the use of internal space is also effectively optimized, making the entire wireless doorbell receiver structure more compact, thereby reducing the need for external accessories and avoiding the clutter caused by additional connecting cables or installation parts.

[0033] Furthermore, such as Figures 1-8 The present invention discloses a USB-powered wireless doorbell receiver, wherein the receiver housing 5 includes a first housing 51 and a second housing 52 connected to the first housing 51. The first housing 51 has an inner cavity 511. The light-emitting component 3 is disposed in the first housing 51 and arranged around the playback component 2. The light-emitting component 3 has a horn-shaped cross-section.

[0034] The present invention places the light-emitting component 3 inside the first housing 51 and surrounds the playback component 2. This arrangement not only improves the visual cues effect but also ensures the uniform distribution of light. Furthermore, the cross-section of the light-emitting component 3 is arranged in a trumpet shape, which helps to focus the light and makes the visual cues more prominent, thereby attracting the user's attention more effectively.

[0035] Furthermore, such as Figures 1-8 The present invention relates to a USB-powered wireless doorbell receiver, wherein the playback component 2 includes an amplification part 21 and a speaker part 22. The amplification part 21 has an amplification cavity 211 and an amplification hole 212 for amplifying sound. The amplification cavity 211 has a fixing hole 213, and the speaker part 22 is fixed in the fixing hole 213.

[0036] The utility model discloses a sound amplification part 21 and loudspeaker part 22 are arranged in the playing assembly 2, and sound amplification part inner cavity 211 and sound amplification hole 212 are equipped in the sound amplification part 21, this setting not only helps the effective amplification and propagation of sound, but also ensures the intelligibility and coverage of audio prompt, further, the fixed hole 213 in the sound amplification part inner cavity 211 provides the stable mounting position for loudspeaker part 22, so that the whole playing assembly 2 is more stable, and will not move position because of the vibration produced when playing music.

[0037] Further, as shown in Figures 1-8 A USB powered wireless doorbell receiver, wherein the first housing 51 is provided with a matching hole 512 located away from the second housing 52, and a first buckle part 513 located in the housing inner cavity 511, the sound amplification part 21 is provided with a matching end 214, a limiting step 215 protruding circumferentially along the matching end 214, and a first buckle end 216 arranged circumferentially along the limiting step 215, the matching hole 512 cooperates with the matching end 214, the limiting step 215 abuts against the inner wall of the housing inner cavity 511, and the first buckle part 513 cooperates with the first buckle end 216, so that the sound amplification part 21 is fixed on the first housing 51.

[0038] The utility model discloses a matching hole 512 and a first buckle part 513 located in the housing inner cavity 511 are arranged, and a matching end 214, a limiting step 215 protruding circumferentially along the matching end 214, and a first buckle end 216 arranged circumferentially along the limiting step 215 are arranged on the sound amplification part 21, the matching hole 512 cooperates with the matching end 214, the limiting step 215 abuts against the inner wall of the housing inner cavity 511, and the first buckle part 513 cooperates with the first buckle end 216, so that the sound amplification part 21 is fixed on the first housing 51.

[0039] Further, as shown in Figures 1-8 A USB powered wireless doorbell receiver, wherein the housing inner cavity 511 is further provided with a reinforcing end 514 extending in the direction of the limiting step 215 and cooperating with the limiting step 215.

[0040] The utility model discloses a reinforcing end 514 that is arranged in the shell inner cavity 511 and cooperates with the limiting step 215 is arranged, strengthens the connecting strength between the loudspeaker unit 21 and the first shell 51, effectively prevents the problem of loosening or falling off due to long -term use or external impact.

[0041] Further, as shown in a USB powered wireless doorbell receiver, wherein the adjusting assembly 4 is arranged on the first shell 51 and located at the adjacent side of the light emitting assembly 3, the adjusting assembly 4 includes a first button 41 for controlling the volume and a second button 42 for controlling the light emitting assembly 3 and selecting music. Figures 1-8

[0042] The utility model discloses a reinforcing end 514 that is arranged in the shell inner cavity 511 and cooperates with the limiting step 215 is arranged, strengthens the connecting strength between the loudspeaker unit 21 and the first shell 51, effectively prevents the problem of loosening or falling off due to long -term use or external impact.

[0043] Further, as shown in a USB powered wireless doorbell receiver, wherein the adjusting assembly 4 is arranged on the first shell 51 and located at the adjacent side of the light emitting assembly 3, the adjusting assembly 4 includes a first button 41 for controlling the volume and a second button 42 for controlling the light emitting assembly 3 and selecting music. Figures 1-8

[0044] The utility model discloses a reinforcing end 514 that is arranged in the shell inner cavity 511 and cooperates with the limiting step 215 is arranged, strengthens the connecting strength between the loudspeaker unit 21 and the first shell 51, effectively prevents the problem of loosening or falling off due to long -term use or external impact.

[0045] Further, as shown in a USB powered wireless doorbell receiver, wherein the adjusting assembly 4 is arranged on the first shell 51 and located at the adjacent side of the light emitting assembly 3, the adjusting assembly 4 includes a first button 41 for controlling the volume and a second button 42 for controlling the light emitting assembly 3 and selecting music. Figures 1-8 ​​The diagram shows a USB-powered wireless doorbell receiver, wherein the inner cavity 511 of the housing is provided with a second latching part 517, and the second housing 52 is provided with a second latching end 521. The second latching part 517 and the second latching end 521 cooperate to make the first housing 51 and the second housing 52 latched together.

[0046] This invention achieves a quick and secure snap-fit ​​connection between the first housing 51 and the second housing 52 by providing a second snap-fit ​​part 517 in the inner cavity 511 of the housing and a second snap-fit ​​end 521 on the second housing 52. This design not only simplifies the assembly process and reduces reliance on additional screws or glue and other fixing materials, thereby reducing production costs, but also facilitates subsequent maintenance and repair. Furthermore, this snap-fit ​​connection ensures a tight fit between the first housing 51 and the second housing 52, effectively preventing the intrusion of dust and moisture and ensuring the safety of internal electronic components.

[0047] Furthermore, such as Figures 1-8 The doorbell shown includes a wireless doorbell transmitter and a USB-powered wireless doorbell receiver.

[0048] This invention also includes a wireless doorbell transmitter, wherein the USB-powered wireless doorbell receiver does not require built-in or disposable batteries, reducing the user's maintenance workload and avoiding the situation of missing visitor notifications due to sudden battery depletion, thus reducing economic costs and environmental impact. Furthermore, by using the wireless doorbell transmitter and the USB-powered wireless doorbell receiver together, users can adjust the audio and visual cues according to their personal preferences or actual needs to meet diverse user requirements.

[0049] like Figures 1-8 As shown, the embodiments of this utility model are as follows:

[0050] Example 1:

[0051] This embodiment provides a USB-powered wireless doorbell receiver. The receiver body 1 operates via USB power, which not only solves the problem of frequent battery replacement required by traditional battery-powered doorbells, but also provides more flexible and diverse notification methods to meet the needs of different users.

[0052] Specifically, the core part of the wireless doorbell receiver is the receiver body 1, which is composed of a receiver shell 5, in which a playing component 2, a light-emitting component 3, an adjusting component 4, and a power supply component 6 are integrated. The power supply component 6 is arranged in the inner cavity of the receiver shell 5, which includes a power supply connector 61 connected to an external USB power supply, so that the receiver can directly obtain power from the USB interface without relying on built-in or disposable batteries, thereby reducing the user's maintenance workload and avoiding missing visitor notifications due to sudden power depletion.

[0053] The playing component 2 is fixed in the inner cavity of the receiver shell 5 and extends the speaker part outside the receiver shell 5, ensuring that the audio prompt sound is clear and strong enough to effectively convey to the user. In addition, the light-emitting component 3 is installed on the receiver shell 5 and can provide a clear visual prompt when activated, assisting the auditory signal to remind the user of the arrival of a visitor. The adjusting component 4, also located on the receiver shell 5, allows the user to directly operate on the shell to adjust the working mode of the playing component 2 and the light-emitting component 3 according to personal preferences or specific needs, achieving personalized settings.

[0054] In this embodiment, the wireless doorbell receiver is pre-set with five different working modes to meet the needs of various use scenarios. The first mode is large volume with flashing light, suitable for situations that require obvious auditory and visual prompts. The second mode is medium volume with flashing light, suitable for environments where the user wants to reduce the volume but still needs some visual prompts. The third mode is small volume with flashing light, suitable for night-time or situations where a slight reminder is needed without disturbing others' rest. The fourth mode has only flashing light without speaker sound, especially suitable for deaf-mute people, who can know the arrival of a visitor through visual changes. The fifth mode has only speaker sound without light flashing, which is specifically designed for the blind, ensuring that they can rely on auditory cues to receive visitor notifications. This diverse setting better meets the diverse needs of users.

[0055] Embodiment Two:

[0056] The difference between this embodiment and Embodiment One is that the receiver shell 5 in this embodiment includes a first shell 51 and a second shell 52. The first shell 51 is provided with a shell inner cavity 511, and the playing component 2 and the power supply component 6 are installed in the shell inner cavity 511. The light-emitting component 3 is arranged around the playing component 2 on the first shell 51, and additionally, the cross-section of the light-emitting component 3 is set in a horn shape.

[0057] Embodiment Three:

[0058] The difference between the present embodiment and embodiment two is that the playing assembly 2 comprises a sound amplifying part 21 and a loudspeaker part 22 in the present embodiment. The sound amplifying part 21 is provided with a sound amplifying part inner cavity 211 and a sound amplifying hole 212 for sound amplification. The sound amplifying part inner cavity 211 is provided with a fixing hole 213 for fixing the loudspeaker part 22.

[0059] In addition, the first shell 51 is provided with a matching hole 512 and a first buckle part 513 in the shell inner cavity 511. The sound amplifying part 21 is provided with a matching end 214, a limiting step 215 protruding in the circumferential direction of the matching end 214, and a first buckle end 216 arranged in the circumferential direction of the limiting step 215. The matching hole 512 and the matching end 214 are matched, the limiting step 215 abuts against the inner wall of the shell inner cavity 511, and the first buckle part 513 and the first buckle end 216 are matched, so that the sound amplifying part 21 is fixed on the first shell 51.

[0060] Embodiment four:

[0061] The difference between the present embodiment and embodiment three is that the shell inner cavity 511 is further provided with a reinforcing end 514 matched with the limiting step 215 in the present embodiment.

[0062] Embodiment five:

[0063] The difference between the present embodiment and embodiment two is that the adjusting assembly 4 is arranged on the first shell 51 and located at the side adjacent to the light emitting assembly 3 in the present embodiment. The adjusting assembly 4 comprises a first button 41 for controlling the volume and a second button 42 for controlling the light emitting assembly 3 and selecting music.

[0064] Embodiment six:

[0065] The difference between the present embodiment and embodiment two is that the first shell 51 is further provided with an avoiding hole 515 in the present embodiment. The shell inner cavity 511 is provided with a positioning end 516, and the power supply assembly 6 is further provided with a positioning hole 62. The positioning end 516 and the positioning hole 62 are matched, and the power supply connector 61 and the avoiding hole 515 are matched, so that the power supply assembly 6 is fixed in the shell inner cavity 511.

[0066] Embodiment seven:

[0067] The difference between the present embodiment and embodiment two is that the shell inner cavity 511 is provided with a second buckle part 517 in the present embodiment. The second shell 52 is provided with a second buckle end 521. The second buckle part 517 and the second buckle end 521 are matched, so that the first shell 51 and the second shell 52 are buckled and connected.

[0068] Embodiment eight:

[0069] The present embodiment comprises all the features of embodiments one to seven.

[0070] Embodiment nine:

[0071] The difference between this embodiment and embodiment eight is that the light emitting assembly 3 in this embodiment is a seven-color light.

[0072] Embodiment ten:

[0073] The difference between this embodiment and embodiment eight is that the light emitting assembly 3 in this embodiment is a single-color light.

[0074] Embodiment eleven:

[0075] The difference between this embodiment and embodiment eight is that the light emitting assembly 3 in this embodiment can be switched between a single-color light and a seven-color light.

[0076] Embodiment twelve:

[0077] The difference between this embodiment and embodiment nine is that this embodiment also includes a wireless doorbell receiver and a wireless doorbell transmitter.

[0078] The above is only to further illustrate the technical content of the present application with examples, so that the reader can more easily understand, but not represent the embodiments of the present application is limited to this, any technical extension or re-creation made in accordance with the present application, are protected by the present application. The scope of protection of the present application is subject to the claims.

Claims

1. A USB powered wireless doorbell receiver comprising a receiver body (1), characterized in that: The receiver body (1) comprises an adjusting assembly (4), a playing assembly (2) and a light-emitting assembly (3) electrically connected with the adjusting assembly (4) respectively, the adjusting assembly (4) controls the playing assembly (2) and the light-emitting assembly (3) to realize the setting of audio and visual prompt, and the receiver body (1) is powered by USB.

2. A USB powered wireless doorbell receiver according to claim 1, characterized in that: The receiver body (1) further comprises a receiver shell (5) and a power supply assembly (6) in the inner cavity of the receiver shell (5), the playing assembly (2) is fixed in the inner cavity of the receiver shell (5) and extends out of the receiver shell (5), the light-emitting assembly (3) and the adjusting assembly (4) are arranged on the receiver shell (5), and the power supply assembly (6) is provided with a power supply connector (61).

3. A USB powered wireless doorbell receiver according to claim 2, wherein: The receiver shell (5) comprises a first shell (51) and a second shell (52) connected with the first shell (51), the first shell (51) is provided with a shell inner cavity (511), the light-emitting assembly (3) is arranged on the first shell (51) and surrounds the playing assembly (2), and the light-emitting assembly (3) is arranged in a horn shape in cross section.

4. A USB powered wireless doorbell receiver according to claim 3, wherein: The playing assembly (2) comprises a sound amplification part (21) and a loudspeaker part (22), the sound amplification part (21) is provided with a sound amplification part inner cavity (211) and a sound amplification hole (212) for sound amplification, the sound amplification part inner cavity (211) is provided with a fixing hole (213), and the loudspeaker part (22) is fixed in the fixing hole (213).

5. A USB powered wireless doorbell receiver according to claim 4, wherein: The first shell (51) is provided with a matching hole (512) located away from the second shell (52) and a first buckle part (513) located in the shell inner cavity (511), the sound amplification part (21) is provided with a matching end (214), a limiting step (215) protruding in the circumferential direction of the matching end (214), and a first buckle end (216) arranged in the circumferential direction of the limiting step (215), the matching hole (512) is matched with the matching end (214), the limiting step (215) abuts against the inner wall of the shell inner cavity (511), and the first buckle part (513) is matched with the first buckle end (216), so that the sound amplification part (21) is fixed on the first shell (51).

6. A USB powered wireless doorbell receiver according to claim 5, wherein: The shell inner cavity (511) is further provided with a reinforcing end (514) extending in the direction of the limiting step (215) and matched with the limiting step (215).

7. A USB powered wireless doorbell receiver according to claim 3, wherein: The adjusting assembly (4) is arranged on the first shell (51) and located on the side adjacent to the light-emitting assembly (3), and the adjusting assembly (4) comprises a first button (41) for controlling the volume and a second button (42) for controlling the light-emitting assembly (3) and selecting music.

8. A USB powered wireless doorbell receiver according to claim 3, wherein: The first shell (51) is further provided with an avoiding hole (515), the shell inner cavity (511) is provided with a positioning end (516), the power supply assembly (6) is further provided with a positioning hole (62), the positioning end (516) cooperates with the positioning hole (62), and the power supply connector (61) cooperates with the avoiding hole (515), so that the power supply assembly (6) is fixed in the shell inner cavity (511).

9. A USB powered wireless doorbell receiver according to claim 3, wherein: The shell inner cavity (511) is provided with a second buckle part (517), the second shell (52) is provided with a second buckle end (521), and the second buckle part (517) cooperates with the second buckle end (521), so that the first shell (51) and the second shell (52) are buckle-connected.

10. A doorbell characterized by: A USB-powered wireless doorbell receiver according to any one of claims 1-9, and a wireless doorbell transmitter.

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