CN102478611A

CN102478611A - Luminous bar testing device and testing method thereof

Info

Publication number: CN102478611A
Application number: CN2010105628269A
Authority: CN
Inventors: 尤冬生
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-11-29
Filing date: 2010-11-29
Publication date: 2012-05-30

Abstract

The invention relates to a luminous bar testing device and a testing method thereof. The testing device mainly consists of a power circuit, an oscillator, an amplifier, a control switch, a trigger, relays, a resetting circuit, a tested part/display and the like. The device simulates the work status of the tested part in an overall unit circuit and tests the dynamic work performance of the tested part in a conductive status. An oscillating circuit generates periodic pulse electric signals, and provides the electric pulse signals which are transmitted to a triggering circuit. Electric signals outputted by a pulse generator are amplified via a driver, periodic pulse signals are generated, and the corresponding relays are controlled. Make and break of a luminous bar are controlled by the aid of a switch effect of contacts of the relays. When switch statuses of the contacts of the relays of the circuit are changed, the work status that corresponding green luminous tubes and corresponding red luminous tubes are alternately luminous totally can be visually seen. If the corresponding green luminous tubes and the corresponding red luminous tubes are abnormal and not luminous or have color shading, the luminous bar is an unaccepted product.

Description

A kind of luminous row's proving installation and method of testing thereof

Technical field

The present invention relates to a kind of electronic devices and components pick-up unit and method of testing thereof in the air conditioning appliance field, be specifically related to a kind of luminous row function proving installation and method of testing thereof.

Background technology

Complete machine factory tests luminous row, generally adopts the visualize outward appearance usually, or with the static sampling observation of avometer internal resistance; Length consuming time, accurate rate variance, checkability is low; And inspection is difficult to find hidden danger of quality owing to can not switch on, and brings very burden to production line debugging, check.Thereby influenced the machine product quality greatly, need improve.

Summary of the invention

For overcoming the deficiency of prior art, the present invention provides a kind of device for testing functions and method of testing thereof of checking luminous row.Its objective is the duty of this device of simulation in circuitry, fundamentally satisfy the quality requirement of circuitry device.

This proving installation consists of the following components: framework, panel, be installed on power switch, socket keyswitch, pilot lamp, luminous row's private jack, voltage table, reometer on the panel; Be installed on fuse, vibroshock, circuit board in the framework, the circuit on the said circuit board is made up of power circuit, pulse-generator circuit, pulse driver circuit, reset circuit, relay, measured piece/display.

Said power circuit: by 220V supply voltage power supply, through power switch SA1 control power circuit, circuit by fuse F 1, transformer T1, bridge rectifier VC1, VC2 capacitor filtering, the A1-LM338 voltage stabilizer is formed that power circuit is provided.9V 5V is provided two groups of D.C. regulated power supplies, supplies with pulse-generator circuit, pulse driver circuit, reset circuit, relay, measured piece/display group supply voltage.

The mu balanced circuit of said power circuit: a route A1-LM338, integrated package of pressure-stabilizing are made voltage stabilizer and are formed, and are provided by LM338 integrated package of pressure-stabilizing, capacitor C 1, C2, resistance R 11, R12 and to form mu balanced circuit.Provide the 9V D.C. regulated power supply to supply with pulse-generator circuit, pulse driver circuit, reset circuit, relay power voltage.Another route LM332 integrated package of pressure-stabilizing is made voltage stabilizer.And form mu balanced circuit by C3, C4, R13, R14.6V is provided D.C. regulated power supply, supplies with measured piece/display power supply voltage.

Principle of work is: simulate the duty of this device in circuitry, test its load-bearing capacity and dynamic duty performance thereof under conduction state.Produce the recurrent pulses electric signal by oscillatory circuit, provide test board corresponding electric impulse signal, be transported to trigger circuit.Under the effect of direct supply voltage, the electric signal of pulse producer output amplifies through driver, produces cyclic pulse signal; Promote V1～V10 amplifier, make the trigger level, uprise state turnover by hanging down from by high step-down; Realize state turnover, the control corresponding relays.On-off action through this relay contact and then control luminous row's conducting and end.

When circuit pulse changed, corresponding luminous row was luminous.Performance period, green luminotron and red luminotron were luminous in turn.Luminous row's red led is bright entirely.Or luminous row's green indicating lamp is bright entirely.Through corresponding relays control dc power signal, thereby control luminous row's conducting and end through the on-off action of this relay contact.Thereby see luminous row's duty intuitively, unusual as finding to have, can not normally overturn, can not then be substandard products by " red stain is green " or by " green reddening " or obvious aberration is arranged, do not work.

The present invention also provides luminous row's function test method, the steps include:

1. luminous row to be measured firmly is installed on the burn-in board, is fixed on the test board, and tighten screw.Turn on the power switch with private key, on the test board, it is bright to exchange pilot lamp;

2. select " automatically " or " manually " switch bit, usually, select " automatically " switch bit function when electricity is aging, select " manually " switch bit function during test;

3. functional test: go up the corresponding panel pilot lamp by the luminous row of " manually " key and once clicked by " red stain is green " upset again, state changes once again; See its state uniformity whether of the pilot lamp color on the luminous row when changing, have or not light tone, or the not enough situation of light tone.Detect defect ware in view of the above;

4. when selecting " automatically " switching function, luminous row goes up corresponding panel pilot lamp automatic upset one next state at a distance from 3 seconds whenever; By " red stain is green " or by " green reddening "; See the whether all normally upsets of its each pilot lamp this moment, whether pilot lamp the color uniformity, has or not light tone; Or the not enough situation of light tone etc.; If there is an above pilot lamp normally not overturn, can not then be substandard products by " red stain is green " or by " green reddening " or obvious aberration is arranged, do not work.

Beneficial effect of the present invention: this luminous row's test board cost of manufacture is low, easy and simple to handle, and accuracy rate is high, and is safe and reliable.Load-bearing capacity is strong, can find the quality problems and the hidden danger thereof that exist in luminous row's device intuitively through the pilot lamp on the test board.Be applied in the air conditioning appliance assembly in the production testing process, for luminous listing and indexing tested aging, the test function method of inspection that provides.And but continuous working is more than 8 hours.Increased substantially work efficiency.

Description of drawings

Fig. 1 is the electric theory diagram of the embodiment of the invention

Fig. 2, Fig. 3 are the circuit diagram of the embodiment of the invention

Embodiment

Referring to Fig. 2, Fig. 3; Luminous row's proving installation shown in the embodiment of the invention; Consist of the following components: framework, panel, be installed on power switch, socket keyswitch, pilot lamp, luminous row's private jack, voltage table, reometer on the panel; Be installed on fuse, vibroshock, circuit board in the framework, the circuit on the said circuit board is made up of power circuit, pulse-generator circuit, pulse driver circuit, reset circuit, relay, measured piece/display.Wherein,

Power circuit is formed referring to Fig. 2: by the 220V power voltage supply, through power switch SA1 control power circuit, circuit is made up of fuse F 1, F2, transformer T1, bridge rectifier VC1, VC2 capacitor filtering, A1-LM338, A2-LM332 voltage stabilizer.Circuit adopts LM338, LM332 integrated package of pressure-stabilizing to make voltage stabilizer, and is provided by LM338 integrated package of pressure-stabilizing, capacitor C 1, C2, resistance R 11, R12 and to form mu balanced circuit.Provide the 9V D.C. regulated power supply to supply with pulse-generator circuit, pulse driver circuit, reset circuit, relay power voltage.Make voltage stabilizer by the LM332 integrated package of pressure-stabilizing.And form mu balanced circuit by C3, C4, R13, R14.6V is provided D.C. regulated power supply, supplies with measured piece/display power supply voltage.

Pulse producer Fig. 3 in the circuit is made up of following several devices: G6-555 oscillator, R16 resistance, R17 resistance, C35-4 electric capacity, C36 electric capacity, R18.Its connected mode is: produce cyclic pulse signal from pulse producer, by the electric signal of 555 oscillators, 3 pin output through R18 resistance to V11, to R20 to V12.Amplify output control electric signal through secondary.SA3 is sent to trigger through CS. be sent to CS SB1, SB2 reference signal from the electric signal of G6-555 oscillator 8,4 pin output as trigger circuit.Produce the recurrent pulses electric signal by oscillator, send the corresponding electric impulse signal of proving installation to, be transported to trigger circuit.

The pulsing circuit of pulse driver is made up of RK trigger G1-G5; G1-G5 is for triggering integrated circuit; Its connected mode is: R1, R3, R5, R7, R9 meet triode T1, T3, T5, T7, T9; Its corresponding relays contact control red luminotron, R2, R4, R6, R8, R10 meet triode T2, T4, T6, T8, T10 in the circuit, its corresponding relays contact control green luminotron.Corresponding luminous row is luminous.After electric signal is sent to the triggering integrated circuit; When satisfying its trigger condition, rest-set flip-flop G1-G5 trigger circuit produce periodic electrical signal, realize the circuit triggers upset; The triode T1-T10 state that causes thereafter to be connected changes; Make the trigger level from by high step-down, uprise, realize output state flip by low.

Reset circuit has " automatically " and " manually " switch bit.During " automatically " switching function, luminous row goes up corresponding panel pilot lamp automatic upset one next state at a distance from 3 seconds whenever.Performance period, green luminotron and red luminotron were luminous in turn.

Concrete testing procedure is:

1. luminous row to be measured firmly is installed on the burn-in board, is fixed on the test board, and tighten screw.Turn on the power switch with private key, on the test board, it is bright to exchange pilot lamp.

2. select " automatically " or " manually " switch bit, usually, select " automatically " switch bit function when electricity is aging, select " manually " switch bit function during test.

3. functional test: press the last corresponding panel pilot lamp of the luminous row of manipulated key and once clicked by " red stain is green " upset again, state changes once again.The sight state is the uniformity whether of the pilot lamp color on the luminous row when changing, and has or not light tone, or the not enough situation of light tone.Detect defect ware in view of the above.

4. when selecting " automatically " switching function, luminous row goes up corresponding panel pilot lamp automatic upset one next state at a distance from 3 seconds whenever.By " red stain is green " or by " green reddening ".If can realize all normally upsets of each pilot lamp, pilot lamp color uniformity, light tone invariably; Or the not enough situation of light tone then is a certified products; If there is an above pilot lamp normally not overturn, or can not " red stain is green " or can not or obvious aberration be arranged by " green reddening ", then be substandard products.

Claims

1. luminous row's proving installation; It is characterized in that; This proving installation consists of the following components: framework, panel, be installed on power switch, socket, keyswitch, pilot lamp, luminous row's private jack, voltage table, reometer on the panel; Be installed on fuse, vibroshock, circuit board in the framework, the circuit on the said circuit board is made up of power circuit, pulse-generator circuit, pulse driver circuit, reset circuit, relay, measured piece/display.

2. a kind of luminous row's proving installation according to claim 1; It is characterized in that described pulse-generator circuit is made up of following device: G6-555 oscillator, R16 resistance, R17 resistance, C35-4 electric capacity, C36 electric capacity, R18; Its connected mode is: produce cyclic pulse signal from pulse producer, by the electric signal of 555 oscillators, 3 pin output through R18 resistance to V11, to R20 to V12; Amplify output control electric signal through secondary, SA3 is sent to trigger through CS, is sent to CS SB1, the SB2 reference signal as trigger circuit from the electric signal of G6-555 oscillator 8,4 pin output; Produce the recurrent pulses electric signal by oscillator, send the corresponding electric impulse signal of proving installation to, be transported to trigger circuit.

3. a kind of luminous row's proving installation according to claim 1; The trigger circuit that it is characterized in that described pulse driver are made up of RK trigger G1-G5; G1-G5 is for triggering integrated circuit; Its connected mode is: R1, R3, R5, R7, R9 meet triode T1, T3, T5, T7, T9, its corresponding relays contact control red luminotron, and R2, R4, R6, R8, R10 meet triode T2, T4, T6, T8, T10 in the circuit; Its corresponding relays contact control green luminotron, corresponding luminous row is luminous; After electric signal is sent to the triggering integrated circuit; When satisfying its trigger condition, rest-set flip-flop G1-G5 trigger circuit produce periodic electrical signal, realize the circuit triggers upset; The triode T1-T10 state that causes thereafter to be connected changes; Make the trigger level from by high step-down, uprise, realize output state flip by low.

4. a kind of luminous row's proving installation according to claim 1 is characterized in that described reset circuit, and " automatically " and " manually " switch bit is arranged.During " automatically " switching function, luminous row goes up corresponding panel pilot lamp automatic upset one next state at a distance from 3 seconds whenever; Performance period, green luminotron and red luminotron were luminous in turn.

5. according to claim 1, method of testing comprises the steps:

(1). luminous row to be measured firmly is installed on the burn-in board, is fixed on the test board, and tighten screw; Turn on the power switch with private key, on the test board, it is bright to exchange pilot lamp;

(2). select " automatically " or " manually " switch bit, usually, select " automatically " switch bit function when electricity is aging, select " manually " switch bit function during test;

(3). functional test: go up the corresponding panel pilot lamp by the luminous row of " manually " key and once clicked by " red stain is green " upset again, state changes once again; See its state uniformity whether of the pilot lamp color on the luminous row when changing, have or not light tone, or the not enough situation of light tone; The control green luminotron, corresponding luminous row is luminous; Detect defect ware in view of the above;

(4). when selecting " automatically " switching function, luminous row goes up corresponding panel pilot lamp automatic upset one next state at a distance from 3 seconds whenever; By " red stain is green " or by " green reddening "; See the whether all normally upsets of its each pilot lamp this moment, whether pilot lamp the color uniformity, has or not light tone; Or the not enough situation of light tone etc.; If there is an above pilot lamp normally not overturn, or can not " red stain is green " or can not or obvious aberration be arranged by " green reddening ", then be substandard products.