CN209400594U - A kind of time switch structure with function displaying voltage - Google Patents

Abstract

The time switch structure with function displaying voltage that the utility model discloses a kind of, including mainboard, the mainboard are equipped with liquid crystal display, key, charactron and connect wires；Voltage display circuit is integrated on the mainboard, voltage display circuit includes chip U1 and charactron U2, the foot 1 of charactron U2 connects the foot 9 of chip U1, the foot 2 of charactron U2 connects the foot 8 of chip U1, the foot 3 of charactron U2 connects the foot 7 of chip U1, the foot 4 of charactron U2 connects the foot 6 of chip U1, and the foot 5 of charactron U2 connects the foot 3 of chip U1, and the foot 6 of charactron U2 connects the foot 2 of chip U1.This has the time switch structure of function displaying voltage, chip U1 measures the voltage swing of access, measurement result is by charactron U2 come real-time display voltage value, make user that can understand the size of voltage in real time, it can intuitively see current voltage whether in safe range, user is reminded to be gone in normal range (NR) using electric appliance, safety is greatly improved.

Description

A kind of time switch structure with function displaying voltage

Technical field

The utility model relates to switching technique field, specially a kind of time switch structure with function displaying voltage.

Background technique

Traditional KG316T time switch is also referred to as (time switch, timer), and the use of modern society is more extensive, such as Household electric appliances, engineering illumination, outdoor advertising timing and security protection articles time control etc., play the development of human civilization social history Important role has been arrived, but KG316T time switch structure currently on the market is simple, has a single function, it is many at this stage local Voltage be not it is very stable, the size of voltage can not be understood in real time, if voltage is excessive, electric appliance during use exist burns Risk, if voltage is too small, be electric appliance can not normal use, electric appliance can then be damaged, be based on using electric appliance by force This, proposes a kind of time switch structure with function displaying voltage.

Utility model content

The time switch structure with function displaying voltage that the purpose of this utility model is to provide a kind of, having can be real-time The advantages of display voltage, reminds whether user's voltage is within safe range, reasonable employment electric appliance, safety greatly improves, Solves the size that can not understand voltage in real time in the prior art, the problem of electric appliance can be damaged or be burnt when in use.

To achieve the above object, the utility model provides the following technical solutions: a kind of time control with function displaying voltage Construction of switch, including mainboard, the mainboard are equipped with liquid crystal display, key, charactron and connect wires, liquid crystal display and its Wiring region is known as liquid crystal display area, is denoted as the area A, and key and its wiring region are known as key zone, is denoted as the area B, number Code pipe and its wiring region are known as digital display voltage viewing area, are denoted as the area C, the region for arrangement of connecting wires is known as electrical wire wiring Area is denoted as the area D；Voltage display circuit is integrated on the mainboard, voltage display circuit includes chip U1 and charactron U2, chip The foot 1 of U1 connects power end, and power end includes 7.5V power input and power cathode VSS, the 7.5V power input of power end It is sequentially connected in series the foot 1 that resistance R1, resistance R2 and diode D1 meet chip U1, the output terminating resistor R3 ground connection of diode D1, electricity The both ends shunt-wound capacitance C1 of R3 is hindered, the both ends of resistance R2 simultaneously meet slide rheostat TR1；The power cathode VSS series resistor R4, The input terminal of diode D3 and capacitor C2 connecting resistance R1, the output termination capacitor C3 of resistance R4 connect 5V power end, and the two of capacitor C3 Diode D4 is held and connects, the output terminating diode D2 of diode D3 connects the output end of second level shop D4, the input terminal of diode D4 Ground connection；The foot 5 of the chip U1 meets power cathode VSS, and the foot 10 of chip U1 connects VDD power end, and the foot 1 of charactron U2 connects chip The foot 9 of U1, the foot 2 of charactron U2 connect the foot 8 of chip U1, and the foot 3 of charactron U2 connects the foot 7 of chip U1, and the foot 4 of charactron U2 connects The foot 6 of chip U1, the foot 5 of charactron U2 connect the foot 3 of chip U1, and the foot 6 of charactron U2 connects the foot 2 of chip U1.

Preferably, the model MCU-SO14 of the chip U1.

Preferably, the model LED2351 of the charactron U2.

Preferably, the charactron U2 shows voltage range between 50V ~ 500V.

Compared with prior art, the beneficial effects of the utility model are as follows:

This has the time switch structure of function displaying voltage, and chip U1 measures the voltage swing of access, measures Result through chip U1 processing after be transferred to charactron U2, by charactron U2 come real-time display voltage value；Real-time display voltage Make user that can understand voltage status in real time, user can be reminded to be gone in normal range (NR) using electric appliance, not due to many local voltages Stablize, by real-time display voltage, whether in safe range can intuitively see current voltage, user is according to seeing Voltage selectively uses electric appliance, and safety is greatly improved.

Detailed description of the invention

Fig. 1 is the overall structure figure of the utility model；

Fig. 2 is the working circuit diagram of the utility model.

In figure: 1, mainboard；2, liquid crystal display；3, key；4, charactron；5, it connects wires.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

A kind of time switch structure with function displaying voltage referring to FIG. 1-2, including mainboard 1, mainboard 1 are equipped with Liquid crystal display 2, key 3, charactron 4 and connect wires 5, liquid crystal display 2 and its wiring region are known as liquid crystal display area, It is denoted as the area A, key 3 and its wiring region are known as key zone, are denoted as the area B, and charactron 4 and its wiring region are known as counting Aobvious voltage viewing area, is denoted as the area C, the region for 5 arrangements of connecting wires is known as electrical wire wiring area, is denoted as the area D；Electricity is integrated on mainboard 1 Display circuit is pressed, voltage display circuit includes chip U1 and charactron U2, the model MCU-SO14 of chip U1, charactron U2's Model LED2351, charactron U2 show voltage range between 50V ~ 500V, and the foot 1 of chip U1 connects power end, and power end includes 7.5V power input and power cathode VSS, the 7.5V power input of power end are sequentially connected in series resistance R1, resistance R2 and two poles Pipe D1 meets the foot 1 of chip U1, the output terminating resistor R3 ground connection of diode D1, the both ends shunt-wound capacitance C1 of resistance R3, resistance R2 Both ends and meet slide rheostat TR1；The input of power cathode VSS series resistor R4, diode D3 and capacitor C2 connecting resistance R1 End, the output termination capacitor C3 of resistance R4 connect 5V power end, and the both ends of capacitor C3 simultaneously meet diode D4, the output end of diode D3 Connect the output end that diode D2 meets second level shop D4, the input end grounding of diode D4；The foot 5 of chip U1 connects power cathode VSS, core The foot 10 of piece U1 connects VDD power end, and the foot 1 of charactron U2 connects the foot 9 of chip U1, and the foot 2 of charactron U2 connects the foot 8 of chip U1, The foot 3 of charactron U2 connects the foot 7 of chip U1, and the foot 4 of charactron U2 connects the foot 6 of chip U1, and the foot 5 of charactron U2 connects chip U1's The foot 6 of foot 3, charactron U2 connects the foot 2 of chip U1.

This has time switch structure of function displaying voltage, connects extraneous power supply by connecting wires for Wiring area, leads to The key 3 for crossing key zone cut-offs to control, by the liquid crystal display 2 in liquid crystal display area come display working condition；Digital voltage The charactron 4 of viewing area can real-time display voltage, specific work process is as follows: passing through 7.5V power input and power cathode VSS accesses extraneous power supply, and diode D2 ~ diode D4, capacitor C2, capacitor C3 and resistance R4 constitute voltage regulator circuit, to input Voltage source carries out pressure stabilizing, and the foot 1 of chip U1 is conveyed to after pressure stabilizing, and resistance R1 is a protective resistance, prevents electric current excessive, to electricity Road plays a protective role, and resistance R2 and slide rheostat TR1 provide stabilization optionally first, when accessing resistance R2 for chip U1 Voltage source, when accessing slide rheostat TR1, voltage is adjusted in the resistance value size of adjustable sliding rheostat TR1, electricity Hold C1 and resistance R3 and constitute filter circuit, plays filter action, after voltage transmission is to chip U1, voltage of the chip U1 to access Size measures, and the size of voltage is transferred to charactron U2 after measurement, by charactron U2 come real-time display voltage value, in real time Family can be used to understand the state of voltage in real time for display voltage, and user is reminded to be gone in normal range (NR) using electric appliance, due to much Whether in safe range, square spread of voltage can intuitively see current voltage, Yong Hugen by real-time display voltage Electric appliance is selectively used according to the voltage seen, safety is greatly improved.

In summary: this has the time switch structure of function displaying voltage, and chip U1 carries out the voltage swing of access The result of measurement, measurement is transferred to charactron U2 after chip U1 processing, by charactron U2 come real-time display voltage value；In real time Display voltage makes user that can understand voltage status in real time, and user can be reminded to be gone in normal range (NR) using electric appliance, due to much Whether in safe range, square spread of voltage can intuitively see current voltage, Yong Hugen by real-time display voltage Electric appliance is selectively used according to the voltage seen, safety is greatly improved.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of time switch structure with function displaying voltage, including mainboard (1), it is characterised in that: on the mainboard (1) Equipped with liquid crystal display (2), key (3), charactron (4) and connect wires (5), liquid crystal display (2) and its wiring region Referred to as liquid crystal display area is denoted as the area A, and key (3) and its wiring region are known as key zone, is denoted as the area B, charactron (4) and Its wiring region is known as digital display voltage viewing area, is denoted as the area C, and the region of (5) arrangement of connecting wires is known as electrical wire wiring area, remembers For the area D；Voltage display circuit is integrated on the mainboard (1), voltage display circuit includes chip U1 and charactron U2, chip U1 Foot 1 connect power end, power end includes 7.5V power input and power cathode VSS, the 7.5V power input of power end according to Secondary series resistor R1, resistance R2 and diode D1 connect the foot 1 of chip U1, the output terminating resistor R3 ground connection of diode D1, resistance The both ends shunt-wound capacitance C1 of R3, the both ends of resistance R2 simultaneously meet slide rheostat TR1；The power cathode VSS series resistor R4, two The output termination capacitor C3 of the input terminal of pole pipe D3 and capacitor C2 connecting resistance R1, resistance R4 connects 5V power end, the both ends of capacitor C3 And diode D4 is met, the output terminating diode D2 of diode D3 connects the output end of second level shop D4, the input termination of diode D4 Ground；The foot 5 of the chip U1 meets power cathode VSS, and the foot 10 of chip U1 connects VDD power end, and the foot 1 of charactron U2 meets chip U1 Foot 9, the foot 2 of charactron U2 connects the foot 8 of chip U1, and the foot 3 of charactron U2 connects the foot 7 of chip U1, and the foot 4 of charactron U2 connects core The foot 6 of piece U1, the foot 5 of charactron U2 connect the foot 3 of chip U1, and the foot 6 of charactron U2 connects the foot 2 of chip U1.

2. a kind of time switch structure with function displaying voltage according to claim 1, it is characterised in that: the core The model MCU-SO14 of piece U1.

3. a kind of time switch structure with function displaying voltage according to claim 1, it is characterised in that: the number The model LED2351 of code pipe U2.

4. a kind of time switch structure with function displaying voltage according to claim 1, it is characterised in that: the number Code pipe U2 shows voltage range between 50V ~ 500V.