CN209550853U - A kind of gas-shielded welder number display and operation system - Google Patents

Abstract

The utility model discloses a kind of gas-shielded welder number display and operation systems, including power-supplying circuit, display driver circuit and recognition by pressing keys circuit, power-supplying circuit is separately connected display driver circuit and recognition by pressing keys circuit, and recognition by pressing keys circuit is also connected with display driver circuit (recognition by pressing keys circuit and display driver circuit are associated by external CPU)；The utility model has cost advantage and has enough operations to show multifarious human-computer interaction interface, great market application prospect.

Description

A kind of gas-shielded welder number display and operation system

Technical field

The utility model relates to inversion welding machine technical field, specifically a kind of gas-shielded welder number display and operation system.

Background technique

With the continuous development of inverter type welder technology, welding machine operator is higher and higher to the technical requirements of welding machine, required Technical parameter it is also more and more, but the option of operation that simulation welding machine can provide for client at present only has electric current, voltage, electricity Sense, energy display parameters are also extremely limited, are only electric currents, voltage parameter is shown and power supply, guard mode instruction, simulation inverter type welder It shows Limited information, has been unable to satisfy the demand of welding machine operator.

Current high-end welding machine is since by cost pressure, human-computer interaction interface is not based on touch screen, although in display operation Diversity on not limited, but due to high cost, do not have the prospect of large-scale promotion.

Utility model content

The purpose of this utility model is to provide a kind of gas-shielded welder number display and operation systems, to solve above-mentioned background skill The problem of being proposed in art.

To achieve the above object, the utility model provides the following technical solutions:

A kind of gas-shielded welder number display and operation system, including power-supplying circuit, display driver circuit and recognition by pressing keys Circuit, power-supplying circuit are separately connected display driver circuit and recognition by pressing keys circuit, and recognition by pressing keys circuit is also connected with display and drives Dynamic circuit.

As a preferred embodiment of the present invention: the power-supplying circuit includes power supply chip U3, power supply chip U3's The voltage output end that input terminal connects 15V direct current, capacitor C5 and capacitor C7, power supply chip U3 connects capacitor C20 and capacitor C22 And export 5V voltage.

As a preferred embodiment of the present invention: the display driver circuit includes triode Q1, chip U4 and chip U5, The foot 12 of the emitter connection chip U4 of the collector connection 5V voltage and resistance R1, triode Q1 of triode Q1, triode Q1 Base stage connection chip U1A foot 20, triode Q2 collector connection 5V voltage and resistance R2, triode Q2 emitter connect Connect the foot 9 of chip U4, the foot 19 of the base stage connection chip U1A of triode Q2, the collector connection 5V voltage and electricity of triode Q3 Hinder R3, the foot 8 of the emitter connection chip U4 of triode Q3, the foot 18 of the base stage connection chip U1A of triode Q3, triode The foot 12 of the emitter connection chip U5 of the collector connection 5V voltage and resistance R4, triode Q4 of Q4, the base stage of triode Q1 The foot 17 of chip U1A is connected, the collector connection 5V voltage of triode Q5 and the emitter of resistance R5, triode Q5 connect chip The foot 9 of U5, the foot 16 of the base stage connection chip U1A of triode Q1, the collector connection 5V voltage and resistance R6 of triode Q6, three The foot 8 of the emitter connection chip U5 of pole pipe Q6, the foot 15 of the base stage connection chip U1A of triode Q6, the current collection of triode Q7 Pole connects the anode of 5V voltage and the emitter connection LED1-LED8 of resistance R7, triode Q7, the base stage connection of triode Q6 The foot 14 of chip U1A, the collector connection 5V voltage of triode Q8 and the emitter of resistance R8, triode Q8 connect LED9- The anode of LED16, the foot 13 of the base stage connection chip U1A of triode Q8, the cathode of LED1-LED8 are connected on chip U4, The cathode of LED9-LED16 is connected on chip U5.

As a preferred embodiment of the present invention: the recognition by pressing keys circuit includes key SW1-SW6 and register U2, is posted The foot 11 of storage U2 connects encoder VR3A, and the foot 13 of register U2 connects key SW3, and the foot 14 of register U2 connects key The foot 3 of SW1, register U2 connect key SW2, and the foot 4 of register U2 connects key SW6, and the foot 5 of register U2 connects key The foot 6 of SW7, register U2 connect key SW6.

As a preferred embodiment of the present invention: the chip U1A is display driver chip, and chip U4 and chip U5 are number Code tube chip.

Compared with prior art, the utility model has the beneficial effects that the existing cost advantage of the utility model and having foot Enough operations show multifarious human-computer interaction interface, great market application prospect.

Detailed description of the invention

Fig. 1 is the circuit diagram of the utility model.

Fig. 2 is power circuit diagram.

Fig. 3 is display driver circuit figure.

Fig. 4 is data signal logic figure.

Fig. 5 is recognition by pressing keys circuit diagram.

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.

Fig. 1-5 is please referred to, embodiment 1: in the utility model embodiment, a kind of gas-shielded welder number display and operation system, Be made of power-supplying circuit, display driver circuit, recognition by pressing keys circuit, power-supplying circuit be used for display driver circuit and Recognition by pressing keys circuit provides electric energy, and recognition by pressing keys circuit can control display driver circuit and show different colors, image.

Embodiment 2: on the basis of embodiment 1, power-supplying circuit is as shown in Fig. 2, power-supplying circuit is intended to provide The power supply of display driver circuit and recognition by pressing keys circuit, as shown in Figure 1, by extraneous offer+15V power supply, by three-terminal voltage-stabilizing will+ 15V, which is changed into, stablizes+5V feed system use, and capacitor C5, capacitor C7 are input filter capacitor, and capacitor C22, capacitor C20 are output filter Wave capacitor.

Display driver circuit is as shown in Figure 3: display driver circuit is by charactron, multiple LED and display driver chip periphery Circuit is constituted, as shown in Fig. 2, display driver chip is communicated by tri- groups of signals of FRX, SCLK and LE and mainboard, passes through chip U4, U5 charactron and LED1-LED16 of Ox the and Lx constant current output end driving periphery of U1A.Segx (1 to 8) is LED and number The common-anode input terminal of pipe, each common-anode input terminal are made of Rx (1 to 8) and Qx (1 to 8), and chip U1 passes through Lx (1 to 8) Conducting shutdown cooperation Ox (1 to 8) the conducting shutdown of Qx is controlled to light required LED and charactron.

Recognition by pressing keys circuit is as shown in Figure 4: recognition by pressing keys circuit is mainly made of key circuit and identification circuit, sees Fig. 4 SW1-SW6 is the key of interactive interface, and VR3A is the encoder at interface, and encoder rotation generates low and high level, when by key pressing When corresponding Sx (1-6) be it is low, these information Le be it is high i.e. 1 foot of shift register U2 is low when, contact S1 to S8 in figure The parallel data of input will be read into register；When 1 foot that Le is low i.e. shift register is high, data will be in SCLK When the rising edge clock of input, data will be serial and move to right one, and data will be exported in FTX to single-chip microcontroller.

Thus power circuit, display driver circuit and recognition by pressing keys circuit constitute the design, on a low-cost basis, Up to 16 (LED) are provided and plant state instruction, two groups of (charactron U4, U5) data shows and 8 kinds of inputs select (2 end encoders, 6 A key).

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (4)

1. a kind of gas-shielded welder number display and operation system, including power-supplying circuit, display driver circuit and recognition by pressing keys electricity Road, which is characterized in that power-supplying circuit is separately connected display driver circuit and recognition by pressing keys circuit, and recognition by pressing keys circuit also connects Connect display driver circuit.

2. gas-shielded welder number display and operation system according to claim 1, which is characterized in that the power-supplying circuit Including power supply chip U3, input terminal connection 15V direct current, capacitor C5 and the capacitor C7 of power supply chip U3, the electricity of power supply chip U3 Pressure output end connection capacitor C20 and capacitor C22 simultaneously exports 5V voltage.

3. gas-shielded welder number display and operation system according to claim 1, which is characterized in that the display driver circuit Including triode Q1, chip U4 and chip U5, the collector connection 5V voltage and resistance R1 of triode Q1, the transmitting of triode Q1 Pole connects the foot 12 of chip U4, the foot 20 of the base stage connection chip U1A of triode Q1, and the collector of triode Q2 connects 5V voltage With resistance R2, the foot 9 of the emitter connection chip U4 of triode Q2, the foot 19 of the base stage connection chip U1A of triode Q2, three poles The foot 8 of the emitter connection chip U4 of the collector connection 5V voltage and resistance R3, triode Q3 of pipe Q3, the base stage of triode Q3 The foot 18 of chip U1A is connected, the collector connection 5V voltage of triode Q4 and the emitter of resistance R4, triode Q4 connect chip The foot 12 of U5, the foot 17 of the base stage connection chip U1A of triode Q1, the collector connection 5V voltage and resistance R5 of triode Q5, The foot 9 of the emitter connection chip U5 of triode Q5, the foot 16 of the base stage connection chip U1A of triode Q1, the collection of triode Q6 Electrode connects the foot 8 of 5V voltage and the emitter connection chip U5 of resistance R6, triode Q6, and the base stage of triode Q6 connects chip The foot 15 of U1A, the emitter connection LED1-LED8's of the collector connection 5V voltage and resistance R7, triode Q7 of triode Q7 Anode, the foot 14 of the base stage connection chip U1A of triode Q6, the collector connection 5V voltage and resistance R8 of triode Q8, three poles The anode of the emitter connection LED9-LED16 of pipe Q8, the foot 13 of the base stage connection chip U1A of triode Q8, LED1-LED8's Cathode is connected on chip U4, and the cathode of LED9-LED16 is connected on chip U5, and the chip U1A is display driver chip, Chip U4 and chip U5 is digital tube chip.

4. gas-shielded welder number display and operation system according to claim 1, which is characterized in that the recognition by pressing keys circuit Including key SW1-SW6 and register U2, the foot 11 of register U2 connects encoder VR3A, and the foot 13 of register U2 connects key The foot 14 of SW3, register U2 connect key SW1, and the foot 3 of register U2 connects key SW2, and the foot 4 of register U2 connects key The foot 5 of SW6, register U2 connect key SW7, and the foot 6 of register U2 connects key SW6.