Time switch
By introducing lithium battery and modular structural design into the time-controlled switch, the existing time-controlled switch lack of power storage functions and complicated assembly are solved, and the time-controlled switch is simple in structure, stable and reliable in performance and good protection performance is achieved.
Patent Information
- Application Number
- CN202420178701.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-24
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-01-24
AI Technical Summary
The existing time-controlled switches lack power storage function, the button battery is insufficient and needs to be replaced cumbersome, the structural layout is unreasonable and the protective performance is poor.
A time-controlled switch including a shell, circuit board assembly and lithium battery was designed. It adopts a modular structure and built-in lithium battery. The terminals are plugged into the main circuit board and equipped with a protective flip to improve assembly convenience and protection. performance.
It effectively reduces user maintenance costs, realizes a time-controlled switch with simple structure, stable and reliable performance, convenient assembly and good protection performance, and has power storage function.
Smart Images
Figure CN222365527U_ABST
Abstract
Description
Technical Field
[0001] The utility model specifically relates to a time-controlled switch. Background Art
[0002] At present, the power time switch refers to a decentralized power load control device that opens and closes the circuit at a predetermined time to control the power load, also known as a time switch clock. It is a switch system that connects, disconnects or converts the circuit according to a preset time program, and is used to time the power switch to control the electrical equipment and measuring instruments that need to be operated at a fixed time. The existing time switch does not have a power storage function. When the button battery in the time switch is low on power, the button battery needs to be replaced. Replacing the button battery is relatively cumbersome, which greatly increases the user's cost of use. In addition, the internal structure layout of the existing time switch is unreasonable, and the assembly is relatively cumbersome. In addition, the wiring terminals of the time switch are exposed outside the shell, and the protection performance is unreliable. Summary of the invention
[0003] The purpose of the utility model is to overcome the defects of the prior art and provide a time-controlled switch with simple structure, stable and reliable performance, convenient assembly, good protection performance and power storage function.
[0004] To achieve the above-mentioned purpose, the utility model adopts a time-controlled switch, including a shell, a circuit board assembly arranged in the shell, the shell including a bottom plate, a cover body arranged on the bottom plate, a receiving cavity for placing the circuit board assembly is formed between the bottom plate and the cover body, the circuit board assembly includes a main circuit board arranged on the bottom plate, a relay arranged on the main circuit board, a wiring terminal arranged on the main circuit board, a control circuit board arranged in the cover body and electrically connected to the main circuit board, a display screen arranged on the control circuit board, a plurality of buttons arranged on the control circuit board, and a lithium battery, the main circuit board is electrically connected to the lithium battery, a positioning groove matched with the lithium battery is arranged in the bottom plate, the lithium battery is inserted in the positioning groove, and a snap-fit fit between the lithium battery and the bottom plate is formed, and a protective flip cover covering the wiring terminal is arranged on the cover body.
[0005] The beneficial effects of the above structure are: a battery is arranged in the bottom plate, and during operation, the battery can play the function of storing electricity, which can effectively reduce the maintenance cost of the user. The circuit board assembly adopts a modular structure design, which is conducive to the modular assembly of the time switch, and the wiring terminals are plugged into the main circuit board, which makes the assembly of the wiring terminals and the main circuit board more convenient and the electrical connection reliability is higher. The protective flip cover can prevent the wiring terminals from being exposed outside the cover body, and the protective performance is better. Therefore, the time switch has the advantages of simple structure, stable and reliable performance, convenient assembly, good protection performance, and power storage function.
[0006] In particular, the bottom plate is provided with a plurality of clamping posts that match the main circuit board, and the main circuit board is provided with a plurality of clamping holes that match the plurality of clamping posts, and the plurality of clamping posts are inserted into the plurality of clamping holes to form a clamping match between the plurality of clamping posts and the main circuit board. The main circuit board is clamped on the plurality of clamping posts of the bottom plate, which is conducive to the modular assembly of the circuit board assembly and the bottom plate, and the assembly efficiency is higher.
[0007] In particular, a display hole is provided on the cover body corresponding to the display screen, the display screen is engaged in the display hole, a plurality of button holes are provided on the cover body corresponding to the plurality of buttons, a button sheath is provided on the plurality of buttons, the button sheath is engaged in the plurality of button holes, and a sealing fit between the button sheath and the cover body is formed. The button sheath can play a sealing role, and can prevent dust from entering the housing through the button holes, which is conducive to improving the protection performance of the time control switch.
[0008] In particular, a rotating shaft is respectively provided at both ends of one side of the protective flip cover, a positioning hole matching the rotating shaft is provided on the cover body, the rotating shaft is inserted into the positioning hole, and a rotating connection between the rotating shaft and the cover body is formed, and a clip is respectively provided at both ends of the other side of the protective flip cover, a slot matching the clip is provided on the cover body, the clip is engaged in the slot, and a clip is connected to the cover body. The protective flip cover and the cover body are assembled in a snap-fit manner, so that the assembly of the protective flip cover and the cover body is convenient and the assembly efficiency is higher.
[0009] In particular, the cover body is provided with a plurality of support columns at locations corresponding to the control circuit board, the control circuit board is provided with a plurality of position limiting holes respectively matched with the plurality of support columns, the plurality of support columns are inserted into the plurality of position limiting holes, and constitute a snap-fitting fit between the control circuit board and the plurality of support columns. The control circuit board is snapped onto the plurality of support columns in the housing, thereby facilitating the assembly of the control circuit board and the housing, and achieving higher assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a stereogram of an embodiment of the utility model.
[0011] Figure 2 This is an exploded view of an embodiment of the utility model.
[0012] Figure 3 This is the internal structure of an embodiment of the utility model.
[0013] Figure 4 It is a three-dimensional diagram of the cover body of the embodiment of the utility model. DETAILED DESCRIPTION
[0014] like Figures 1 to 4As shown, the embodiment of the utility model is a time-controlled switch, comprising a housing 10, and a circuit board assembly 20 arranged in the housing 10, wherein the housing 10 comprises a bottom plate 11, and a cover body 12 arranged on the bottom plate 11, and an accommodating cavity 100 for placing the circuit board assembly 20 is formed between the bottom plate 11 and the cover body 12, and the circuit board assembly 20 comprises a main circuit board 21 arranged on the bottom plate 11, a relay 22 arranged on the main circuit board 21, a connection terminal 23 arranged on the main circuit board 21, and a relay 24 arranged on the cover body 12. The control circuit board 24 which is electrically connected to the main circuit board 21, the display screen 25 arranged on the control circuit board 24, the plurality of buttons 26 arranged on the control circuit board 24, and the lithium battery 27. The main circuit board 21 is electrically connected to the lithium battery 24. The bottom plate 11 is provided with a positioning groove 101 which matches with the lithium battery 27. The lithium battery 27 is inserted into the positioning groove 101 and constitutes the snap-fitting of the lithium battery 27 with the bottom plate 11. The cover body 12 is provided with a protective flip cover 13 which covers the wiring terminal 23. The bottom plate 11 is provided with a plurality of snap-fitting posts 111 which match with the main circuit board 21. The main circuit board 21 is respectively provided with a plurality of snap-fitting holes 211 which match with the plurality of snap-fitting posts 111. The plurality of snap-fitting posts 111 are inserted into the plurality of snap-fitting holes 211 and constitute the snap-fitting of the plurality of snap-fitting posts 111 with the main circuit board 21. The main circuit board is engaged with the multiple clamping posts of the bottom plate, which is conducive to the modular assembly of the circuit board assembly and the bottom plate, and the assembly efficiency is higher. The cover body 12 is provided with a display hole 121 corresponding to the display screen 25, and the display screen 25 is engaged in the display hole 121. The cover body 12 is provided with multiple button holes 122 corresponding to the multiple buttons 26, and the multiple buttons 26 are provided with button sheaths 28. The button sheaths 28 are engaged in the multiple button holes 122, and form a sealing fit between the button sheaths 28 and the cover body 12. The button sheath can play a sealing role, which can prevent dust from entering the housing through the button holes, which is conducive to improving the protection performance of the time control switch.
[0015] like Figure 2 and 4As shown, a rotating shaft 131 is respectively provided at both ends of one side of the protective flip cover 13, a positioning hole 123 matching the rotating shaft 131 is provided on the cover body 12, the rotating shaft 131 is inserted into the positioning hole 123, and constitutes a rotational connection between the rotating shaft 131 and the cover body 12, and a clip 132 is respectively provided at both ends of the other side of the protective flip cover 13, a card slot 124 matching the clip 132 is provided on the cover body 12, the clip 132 is engaged in the card slot 124, and constitutes a card connection between the clip 132 and the cover body 12. The protective flip cover and the cover body are assembled in a card connection manner, so as to facilitate the assembly of the protective flip cover and the cover body, and the assembly efficiency is higher. A plurality of support columns 125 are provided in the cover body 12 at locations corresponding to the control circuit board 24, and a plurality of position limiting holes 241 matching the plurality of support columns 125 are provided on the control circuit board 24, respectively. The plurality of support columns 125 are inserted into the plurality of position limiting holes 241, and constitute a snap-fitting fit between the control circuit board 24 and the plurality of support columns 124. The control circuit board is snapped onto the plurality of support columns in the housing, thereby facilitating the assembly of the control circuit board and the housing, and achieving higher assembly efficiency.
[0016] A battery is arranged in the bottom plate. During operation, the battery can store electricity, which can effectively reduce the user's maintenance cost. The circuit board assembly adopts a modular structure design, which is conducive to the modular assembly of the time switch. The wiring terminals are plugged into the main circuit board, which makes the assembly of the wiring terminals and the main circuit board more convenient and the electrical connection reliability is higher. The protective flap can prevent the wiring terminals from being exposed outside the cover, and the protective performance is better. Therefore, the time switch has the advantages of simple structure, stable and reliable performance, convenient assembly, good protection performance, and power storage function.
Claims
1. A time-controlled switch, characterized in that: The invention comprises a shell and a circuit board assembly arranged in the shell, wherein the shell comprises a bottom plate and a cover body arranged on the bottom plate, a receiving cavity for placing the circuit board assembly is formed between the bottom plate and the cover body, the circuit board assembly comprises a main circuit board arranged on the bottom plate, a relay arranged on the main circuit board, a wiring terminal arranged on the main circuit board, a control circuit board arranged in the cover body and electrically connected to the main circuit board, a display screen arranged on the control circuit board, a plurality of buttons arranged on the control circuit board, and a lithium battery, wherein the main circuit board is electrically connected to the lithium battery, a positioning groove matched with the lithium battery is arranged in the bottom plate, the lithium battery is inserted in the positioning groove, and a snap-fitting fit between the lithium battery and the bottom plate is formed, and a protective flap covering the wiring terminal is arranged on the cover body.
2. The time-controlled switch according to claim 1, characterized in that: The base plate is provided with a plurality of clamping posts that match the main circuit board, and the main circuit board is respectively provided with a plurality of clamping holes that match the plurality of clamping posts. The plurality of clamping posts are inserted into the plurality of clamping holes, and constitute a clamping fit between the plurality of clamping posts and the main circuit board.
3. The time-controlled switch according to claim 1 or 2, characterized in that: A display hole is provided on the cover body corresponding to the display screen, and the display screen is engaged in the display hole. A plurality of button holes are provided on the cover body corresponding to the plurality of buttons, and button covers are provided on the plurality of buttons. The button covers are engaged in the plurality of button holes, and form a sealing fit between the button covers and the cover body.
4. The time-controlled switch according to claim 1 or 2, characterized in that: A rotating shaft is respectively provided at both ends of one side of the protective flip cover, and a positioning hole matching the rotating shaft is provided on the cover body. The rotating shaft is inserted into the positioning hole to form a rotational connection between the rotating shaft and the cover body. A clip is respectively provided at both ends of the other side of the protective flip cover, and a card slot matching the clip is provided on the cover body. The clip is engaged in the card slot to form a card connection between the clip and the cover body.
5. The time-controlled switch according to claim 1 or 2, characterized in that: A plurality of support columns are arranged in the cover body corresponding to the control circuit board, and a plurality of limiting holes matching with the plurality of support columns are arranged on the control circuit board respectively. The plurality of support columns are inserted into the plurality of limiting holes, and constitute a snap-fit fit between the control circuit board and the plurality of support columns.