Working follow-up power indicating device for laser equipment

Abstract

The utility model discloses a laser equipment work follow-up power indicating device which is characterized in that the laser equipment work follow-up power indicating device comprises an input part, a controller part and a display part, and the input part comprises a direct-current power supply, laser power and a fault alarm; the controller part comprises a DC / DC power converter, an analog quantity output (0-10V), an overvoltage protection voltage divider, an operational amplifier LM358, a switching value dry contact, an optocoupler PC817 and a singlechip A / D conversion I / 0 controller; and the display part comprises a color LED display. According to the laser equipment working follow-up power indicating device, the follow-up power during working of the laser equipment is displayed at any time through the LED display, the whole working state of the laser equipment is effectively and visually indicated, the phenomenon that an existing equipment indicating lamp only has a power source for indication is solved, and the laser equipment working follow-up power indicating device has the visual and follow-up functions.

Description

Technical Field

[0001] The utility model relates to the technical field of power supply control and safety monitoring of laser equipment, and specifically is a follow-up power indicator device for laser equipment operation. Background Art

[0002] The existing equipment indicator lights on the market only have power indication, working indication and alarm indication, but no machine output power indication. They cannot clearly indicate the current output power of the machine and other equipment operating status, and cannot detect and intuitively display the working status of the equipment at any time, which directly affects the normal use of the equipment and the normal production. A power judgment device is needed to ensure that the laser equipment can be protected when the power is connected incorrectly. Utility Model Content

[0003] The utility model mainly solves at least one technical problem existing in the prior art. The first purpose of the present invention is to provide a multifunctional indication device for power indication, working indication and output power follow-up indication of laser equipment, which can effectively and intuitively indicate the entire working status of the equipment.

[0004] The above technical problems of the utility model are mainly solved by the following technical solutions: a laser equipment working follow-up power indication device, comprising an input part, a controller part and a display part connected in sequence, characterized in that: the input part comprises an external DC power supply and a laser power interface; the controller part comprises a DC / DC power converter, an analog output interface, an overvoltage protection divider, an operational amplifier and a single-chip microcomputer; the display part comprises a color LED display.

[0005] The input part also includes a fault alarm signal interface, which is connected to the controller part.

[0006] The DC / DC power converter of the controller part is respectively connected to the operational amplifier, the single chip microcomputer and the color LED display.

[0007] The controller part also includes switch dry contacts, optocoupler PC817 and A / D conversion I / 0 controller of the single-chip microcomputer. The switch dry contacts are connected to the external fault alarm signal interface, and the switch dry contacts are connected to the input end of the single-chip microcomputer through the optocoupler PC817.

[0008] The operational amplifier is LM358.

[0009] The single chip microcomputer adopts STC8G series.

[0010] The beneficial effect of the utility model is that, through the above-mentioned arrangement, the power indication, working indication, alarm indication and output power follow-up indication of the laser equipment are displayed at any time through the light band of the LED display, which effectively and intuitively indicates the entire working status of the equipment, solves the problem that the existing equipment indicator light only has a power indication, and has intuitive and follow-up functions.

[0011] The device comprehensively displays the entire working status of the equipment. Both operators and others can observe the operating status of the entire laser equipment in detail, greatly reducing unnecessary losses and personal safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model is a follow-up power indicator device for laser equipment;

[0013] Figure 2 It is the circuit principle diagram of the single chip microcomputer of the utility model;

[0014] Among them, 1. DC / DC power converter 2. analog output interface 3. overvoltage protection divider 4. operational amplifier 5. switch dry contact 6. optical coupler 7. single chip microcomputer 8. color LED display. DETAILED DESCRIPTION

[0015] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0016] See also Figure 1 As shown, a laser equipment working follow-up power indicator device includes an input part, a controller part and a display part connected in sequence. The input part includes an external DC power supply, a laser power interface and a fault alarm signal interface.

[0017] The controller part includes an electrically connected DC / DC power converter 1, an analog output interface 2, an overvoltage protection voltage divider 3, an operational amplifier 4 and a single chip microcomputer 7.

[0018] The overvoltage protection voltage divider 3 uses the SMAJ12A chip, the protection voltage is 12V, and the voltage divider resistor uses 10 ohms.

[0019] The display section includes a color LED display 8 .

[0020] The DC / DC power converter 1 of the controller part is connected to the operational amplifier 4, the single chip computer 7 and the color LED display 8 respectively.

[0021] The controller part also includes a switch dry contact 5, an optical coupler 6 and an A / D conversion I / 0 controller of a single-chip microcomputer 7. The switch dry contact 5 is connected to an external fault alarm signal interface, and the switch dry contact 5 is connected to the input end of the single-chip microcomputer 7 through an optical coupler 6 (PC817).

[0022] The operational amplifier used is LM358.

[0023] Figure 2 As shown, the single chip microcomputer adopts STC8G series, such as single chip microcomputer model STC8G1K08, which has built-in A / D conversion.

[0024] Working principle: Through the above settings, the power indication, working indication, alarm indication and output power follow-up indication of the laser equipment are displayed at any time through the LED display light band, which effectively and intuitively indicates the entire working status of the equipment, solves the problem that the existing equipment indicator light only has power indication, and has intuitive and follow-up functions.

[0025] Experiments have shown that operators can observe the operating status of the entire laser equipment in detail, greatly reducing unnecessary losses and personal safety.

Claims

1. A laser equipment working follow-up power indicator device, comprising an input part, a controller part and a display part connected in sequence, characterized in that: The input part includes an external DC power supply and a laser power interface; the controller part includes a DC / DC power converter, an analog output interface, an overvoltage protection divider, an operational amplifier and a single-chip microcomputer; and the display part includes a color LED display.

2. A laser equipment working follow-up power indicator device according to claim 1, characterized in that: The input part also includes a fault alarm signal interface, which is connected to the controller part.

3. The laser equipment working follow-up power indicator device according to claim 1, characterized in that: The DC / DC power converter of the controller part is respectively connected to the operational amplifier, the single chip microcomputer and the color LED display.

4. The laser equipment working follow-up power indicator device according to claim 1, characterized in that: The controller part also includes switch dry contacts, optocoupler PC817 and A / D conversion I / 0 controller of the single-chip microcomputer. The switch dry contacts are connected to the external fault alarm signal interface, and the switch dry contacts are connected to the input end of the single-chip microcomputer through the optocoupler PC817.

5. The laser equipment working follow-up power indicator device according to claim 1, characterized in that: The operational amplifier is LM358.

6. The laser equipment working follow-up power indicator device according to claim 1, characterized in that: The single chip microcomputer adopts STC8G series.

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