CN205039795U - Switch circuit of hand -held type X ray spectrum appearance - Google Patents

Abstract

The utility model discloses a switch circuit of hand -held type X ray spectrum appearance, include: first double control switch SW1, second double control switch SW2, resistance R1, resistance R2, first socket P1, second socket P2 and third socket P3, this switch circuit installs in the top of hand -held type X ray spectrum appearance, makes with fluorescent lamp in power strip in the hand -held type X ray spectrum appearance, battery, the power strip to link to each other by control circuit for control hand -held type X ray spectrum appearance, the emitting diode who has adopted 2 different colours connects in parallel with fluorescent lamp, power strip respectively, can indicate by emitting diode at power strip and fluorescent lamp during operation, can also whether switch on to fluorescent lamp and power strip and control. The utility model discloses the circuit is simple, sets up to need not to dismantle the battery behind the switch pilot lamp to can direct observation X ray fluorescent lamp behavior.

Description

A kind of switching circuit of hand-hold type x-ray spectrometer

Technical field

The utility model relates to a kind of switching circuit of hand-hold type x-ray spectrometer.

Background technology

Known hand-hold type x-ray spectrometer does not often arrange power panel switch, but circuit just enters connected state after installation battery, so all need to pull down battery after each instrument uses, otherwise understands continuous consumes power and there is potential safety hazard; Existing hand-hold type x-ray spectrometer does not arrange independent light pipe switch, and light pipe can only be controlled by master control, so in case of emergency can only close master control, will cause the use safety problem of instrument like this; Existing hand-hold type x-ray spectrometer does not arrange switch indication light, well can not observe X ray light pipe working condition.

Summary of the invention

For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of switching circuit of hand-hold type x-ray spectrometer, and this switching circuit makes to control the more convenient of hand-hold type x-ray spectrometer change.

In order to achieve the above object, the technical scheme that the utility model adopts is as follows: a kind of switching circuit of hand-hold type x-ray spectrometer, this switching circuit is arranged on the top of hand-hold type x-ray spectrometer, be connected with the enable control circuit of light pipe in the power panel in hand-hold type x-ray spectrometer, battery, power panel, comprise: the first double control switch SW1, the second double control switch SW2, resistance R1, resistance R2, the first socket P1, the second socket P2 and the 3rd socket P3; Wherein, in described first double control switch SW1, there is LED 1, in described second double control switch SW2, there is LED 2; The moving contact of the first double control switch SW1 is connected with first contact of the 3rd socket P3, and second fixed contact of the first double control switch SW1 is connected with second contact of the 3rd socket P3; The second fixed contact meeting the first double control switch SW1 after the positive pole of LED 1 is connected with one end of resistance R1 is connected; The negative pole of LED 1 is connected with one end of resistance R2, and second contact of another termination second socket P2 of resistance R2 is connected; The other end of resistance R1 is connected with the positive pole of LED 2, and the negative pole of LED 2 is connected with first contact of the second socket P2; The moving contact of the second double control switch SW2 is connected with first contact of the first socket P1, and first fixed contact of the second double control switch SW2 is connected with second contact of the first socket P1;

First contact of described 3rd socket P3 is connected with the positive pole of battery, and second contact of the 3rd socket P3 is connected with the cathode output end of power panel;

First contact of described second socket P2 controls pin with the ground connection of the enable control circuit of light pipe in power panel and is connected; Second contact of the second socket P2 is connected with the negative pole of power panel;

First contact of described first socket P1 is connected with the positive pole of the enable control circuit of light pipe in power panel, and second contact of the first socket P1 is connected with the enable control circuit output port of light pipe in power panel.

The beneficial effects of the utility model are: the light-emitting diode that have employed 2 different colours is in parallel with light pipe, power panel respectively, can be indicated by light-emitting diode when power panel and light pipe work, whether can also be energized to light pipe and power panel and control.In original technology, will pull down after every use just can power-off for battery, otherwise has potential safety hazard; The utility model have employed the technology of switching circuit, directly utilizing switch to control electric current, without the need to pulling down battery, improve security performance.Existing hand-hold type x-ray spectrometer does not arrange independent light pipe switch, and light pipe can only be controlled by master control, in case of emergency can only close master control, can cause the use safety of instrument; The utility model adopts the circuit of switch, arranges independent light pipe switch, is convenient to control.Existing hand-hold type x-ray spectrometer does not arrange switch indication light, well can not observe X ray light pipe working condition, and the utility model adopts switch indication light, is convenient to observe working condition.

Accompanying drawing explanation

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

Embodiment

Below in conjunction with Figure of description and embodiment, the utility model is described further.

As shown in Figure 1, a kind of switching circuit of hand-hold type x-ray spectrometer, this switching circuit is arranged on the top of hand-hold type x-ray spectrometer, be connected with the enable control circuit of light pipe in the power panel in hand-hold type x-ray spectrometer, battery, power panel, for controlling hand-hold type x-ray spectrometer, it comprises: the first double control switch SW1, the second double control switch SW2, resistance R1, resistance R2, the first socket P1, the second socket P2 and the 3rd socket P3; Wherein, in described first double control switch SW1, there is LED 1, in described second double control switch SW2, there is LED 2; The moving contact (contact 2) of the first double control switch SW1 is connected with first contact (contact 1) of the 3rd socket P3, first fixed contact (contact 0) of the first double control switch SW1 is unsettled, and second fixed contact (contact 1) of the first double control switch SW1 is connected with second contact (contact 2) of the 3rd socket P3; The second fixed contact (contact 1) meeting the first double control switch SW1 after the positive pole of LED 1 is connected with one end of resistance R1 is connected; The negative pole of LED 1 is connected with one end of resistance R2, and second contact of another termination second socket P2 of resistance R2 is connected; The other end of resistance R1 is connected with the positive pole of LED 2, and the negative pole of LED 2 is connected with first contact of the second socket P2; The moving contact (contact 2) of the second double control switch SW2 is connected with first contact of the first socket P1, first fixed contact (contact 1) of the second double control switch SW2 is connected with second contact of the first socket P1, and second fixed contact (contact 0) of the second double control switch SW2 is unsettled;

First contact of described 3rd socket P3 is connected with the positive pole of battery, and second contact of the 3rd socket P3 is connected with the cathode output end of power panel;

First contact of described second socket P2 controls pin with the ground connection of the enable control circuit of light pipe in power panel and is connected; Second contact of the second socket P2 is connected with the negative pole of power panel;

First contact of described first socket P1 is connected with the positive pole of the enable control circuit of light pipe in power panel, and second contact of the first socket P1 is connected with the enable control circuit output port of light pipe in power panel.

The course of work of the present utility model is as follows:

When first double control switch SW1 works, the moving contact (contact 2) of the first double control switch SW1 is connected with second contact (contact 1) of the first double control switch SW1, LED 1 is bright, electric current is by second fixed contact (contact 1) of first contact of the 3rd socket P3, the moving contact (contact 2) of the first double control switch SW1 and the first double control switch SW1, and second contact (contact 2) of the 3rd socket P3 is input to power panel; Electric current is by second fixed contact (contact 1) of the first double control switch SW1, LED 1 positive pole, arrive LED 1, LED 1 is bright, electric current passes through again LED 1 from second contact (contact 2) of the outflow of LED 1 negative pole, resistance R2, the second socket P2, connects power ground.When first double control switch SW1 does not work, the moving contact (contact 2) of the first double control switch SW1 is connected with first contact (contact 0) of the first double control switch SW1, and LED 1 does not work, namely without electricity, and no current.

When second double control switch SW2 works, the moving contact (contact 2) of the second double control switch SW2 is connected with first fixed contact (contact 1) of the second double control switch SW1, LED 2 is bright, namely during light pipe work, electric current is by first fixed contact (contact 1) of first contact of the first socket P1, the moving contact (contact 2) of the second double control switch SW2 and the second double control switch SW2, second contact (contact 2) of the first socket P1, electric current is input to light pipe in power panel and makes energy control module circuit; Electric current is input to first contact (contact 1) of LED 2 from the second socket P2, controls grounding pin through power panel, and flow to ground, LED 2 is bright.When second double control switch SW1 does not work, the moving contact (contact 2) of the second double control switch SW2 is connected with second fixed contact (contact 0) of the second double control switch SW1, and LED 2 does not work, no current.

LED 1 and LED 2 send the light of different colours, point out the connection status of above two switches with different colours, make this switching circuit have functions of indicator light concurrently.

Claims (1)

1. the switching circuit of a hand-hold type x-ray spectrometer, this switching circuit is arranged on the top of hand-hold type x-ray spectrometer, be connected with the enable control circuit of light pipe in the power panel in hand-hold type x-ray spectrometer, battery, power panel, it is characterized in that, comprising: the first double control switch SW1, the second double control switch SW2, resistance R1, resistance R2, the first socket P1, the second socket P2 and the 3rd socket P3; Wherein, in described first double control switch SW1, there is LED 1, in described second double control switch SW2, there is LED 2; The moving contact of the first double control switch SW1 is connected with first contact of the 3rd socket P3, and second fixed contact of the first double control switch SW1 is connected with second contact of the 3rd socket P3; The second fixed contact meeting the first double control switch SW1 after the positive pole of LED 1 is connected with one end of resistance R1 is connected; The negative pole of LED 1 is connected with one end of resistance R2, and second contact of another termination second socket P2 of resistance R2 is connected; The other end of resistance R1 is connected with the positive pole of LED 2, and the negative pole of LED 2 is connected with first contact of the second socket P2; The moving contact of the second double control switch SW2 is connected with first contact of the first socket P1, and first fixed contact of the second double control switch SW2 is connected with second contact of the first socket P1;

First contact of described 3rd socket P3 is connected with the positive pole of battery, and second contact of the 3rd socket P3 is connected with the cathode output end of power panel;

First contact of described second socket P2 controls pin with the ground connection of the enable control circuit of light pipe in power panel and is connected; Second contact of the second socket P2 is connected with the negative pole of power panel;

First contact of described first socket P1 is connected with the positive pole of the enable control circuit of light pipe in power panel, and second contact of the first socket P1 is connected with the enable control circuit output port of light pipe in power panel.