CN201269817Y

CN201269817Y - Aerosol can combustion test instrument

Info

Publication number: CN201269817Y
Application number: CNU2008201426815U
Authority: CN
Inventors: 王利兵; 李宁涛; 于艳军; 熊中强
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-10-24
Filing date: 2008-10-24
Publication date: 2009-07-08
Anticipated expiration: 2018-10-24

Abstract

The utility model relates to an aerosol can combustion test instrument. A test box is internally provided with a lifting screw and a lifting platform. The lifting platform is provided with a clamping piece used for fixing test samples; the top of the lifting screw is connected with an upper top plate, the lower part of which is provided with a location switch; a stent in front of the lifting platform is provided with an ignition device and a plurality of temperature thermocouples which are arranged at the same line at intervals from the ignition device. The test box is connected with a control box provided with a manual control switch and an automatic control switch; and the automatic control part is provided with a computer which is provided with control software and is connected with a data acquisition control module. The aerosol can combustion test instrument fulfills the test operation of the aerosol can ignition and flame combustion distance and the like as well as the automation such as data processing, improves the labor efficiency, reduces the error caused by the measuring of flame combustion length visually; and computer control is adopted during the test process, thereby having excellent safety and protection.

Description

Aerosol can burning test instrument

Technical field

The invention belongs to spray burning test instrument, the particularly a kind of aerosol can burning test instrument that can finish aerosol can burning extent mensuration.

Background technology

Aerosol can is the special commodity packaging of a class, the disposable metal, glass or the plastic containers that are used for splendid attire compression, liquefaction or gases dissolved under pressure, liquid, pastel or powder simultaneously may be equipped with or not be equipped with, and have a releasing means, solid that content is become be suspended in the gas or liquid particle and eject, spray thing and be foam dress, pasty state or powdery, or be gas or liquid, interior dress spray has inflammability usually, for this reason, this series products Chang Yin does not meet the safety verification rules and causes problems such as various burnings, blast, causes peril.Along with Chinese economic development, the kind of spray also emerges in an endless stream, and various new prescriptions, novel agent constantly occur.Because the safety of aerosol can direct relation people's lives and properties and communications and transportation, be the commodity of forced examination in the world, all formulated relevant standard and rules both at home and abroad and controlled its security, wherein the aerosol can burning test is to judge an important indicator of its security.Usually the aerosol can burning test all adopts candle closely to light the method for spray, rule mensuration flame combustion length, easily assembled equipment is finished controls such as spray release, to experimenter's manual operation degree of dependence height, the burning because of inflammable spray simultaneously also may endanger the healthy and safe generation of experimenter in the whole process.

Summary of the invention

The utility model purpose provides a kind of aerosol can burning test instrument, reach the operability and the security that improve the aerosol can burning test, overcome the shortcoming and defect of prior art, the realization spray is installed, the automatic control of release and flame combustion length, the utility model provides a kind of automatic control lifting table and clamp device of having, the aerosol can burning test instrument of the temperature thermocouple of flame combustion length is measured in automatic ignition device and help, whole instrument is made up of control box and control box, safety, accurately, finish the test of aerosol can combustion flame length measurment apace.

The technical scheme that its technical matters that solves the utility model adopts is:

A kind of aerosol can burning test instrument, it is characterized in that: elevating screw and lifting table are arranged in the chamber, the clamp device that the fixation test sample is arranged on the lifting table, the top of elevating screw connects upper plate, location switch is arranged below upper plate, portfire and a plurality of temperature thermocouple are arranged on the support in lifting table the place ahead, and a plurality of temperature thermocouples are starting point from portfire, and it is in one line to press certain distance.

Chamber connects control box, and control box has hand control switch and automatic control switch, and control section has the computing machine of the Control Software of being equipped with automatically, and computing machine connects data acquisition and control module.

Data acquisition and control module connects communication module by temperature sensor and forms, and thermocouple sensor connects temperature sensor module, and temperature sensor module connects communication module, and communication module connects computing machine.

The beneficial effects of the utility model are; realized aerosol can igniting and flame combustion apart from etc. the robotization of aspects such as test operation and data processing; can in having the operability of protective effect, finish the automatic control that the agent of aerosol can internal spraying discharges and lights; improved efficiency; the error that minimizing produces because of naked eyes range estimation flame combustion length; process of the test adopts computer control, has good security protection.

Description of drawings

Fig. 1 is an aerosol can burning test instrument structural representation

Fig. 2 is aerosol can burning test instrument control box control program figure

Fig. 3 is an aerosol can burning test instrument automatic ignition device part synoptic diagram

Fig. 4 is an aerosol can burning test instrument data acquisition and control module principle assumption diagram

Fig. 5 is the automatic ignition procedure figure of aerosol can burning test instrument

1. source of the gas pipes among the figure, 2. control box, 3. control box, 4. motor; 5. elevating screw is 6. tested aerosol can, 7. location switch, 8. protection limit switch; 9. clamping handwheel, 10. lifting table and clamp device, 11. high-tension electricity lighters, 12. jet flames; 13. temperature thermocouple, 14. combustion gas mouths, 15. firing cables, 16. data acquisition and control module; 17. solenoid valve, 18. relays, 19. temperature sensing modules; 20. relay control module, 21. communication modules, 22. computing machines.

Aerosol can combustion test instrument each several part annexation figure sees Fig. 1, Fig. 3 and Fig. 4. Accompanying drawing 2 is spraying The manual operation of tank combustion test instrument and automatic operation are selected control chart, and manual operation and automatic operation all can be complete Become the pressure head of test aerosol can (Fig. 1 parts 6) to withstand location switch, carry out the front preparation of test. Attached Fig. 4 is aerosol can isolating high-pressure ignitor (Fig. 1 parts 11) control module figure.

Embodiment

Below in conjunction with accompanying drawing the utility model is further specified.A kind of aerosol can burning test instrument as shown in Figure 1, elevating screw and lifting table are arranged in the chamber, the clamp device that the fixation test sample is arranged on the lifting table, the top of elevating screw connects upper plate, location switch is arranged below upper plate, portfire and a plurality of temperature thermocouple are arranged on the support in lifting table the place ahead, and a plurality of temperature thermocouples are starting point from portfire, and it is in one line to press certain distance.

Elevating screw, lifting table and clamp device and control box in the control box of aerosol can burning test instrument are finished being fixedly clamped of aerosol can jointly, the computer controlled automatic portfire, after the aerosol can pressure head withstands limit switch, tank body internal spraying agent ejection, the chance naked light is lighted, utilize two temperature thermocouples whether to determine spray flame burning length in the security requirement scope, gather temperature measurement data by the data acquisition and control module that links to each other with thermopair, data acquisition module connects computing machine.

Test aerosol can sample (Fig. 1 parts 6) should be in 23 ℃ ± 2 ℃ temperature environment before test pre-service 10h at least, and begin test with this understanding.Aerosol can test specimen (Fig. 1 parts 6) is fixed between clamp device (Fig. 1 parts 10) and the location switch (Fig. 1 parts 7).Select control box (Fig. 1 parts 2) hand push button, shake clamping handwheel (Fig. 1 parts 9) lifting table is slided up and down on elevating screw (Fig. 1 parts 5), test specimen is risen to be pressed to bit switch; Select control box (Fig. 1 parts 2) automatic button, can realize lifting table and the automatic lifting of clamp device (Fig. 1 parts 10) on elevating screw (Fig. 1 parts 5) by lift control switch, finish the preceding clamping of specimen test and fixing, Fig. 2 is seen in the control of concrete operations case.After on-test, location switch will press down the aerosol can pressure head, and interior dress spray ejection is lighted spray by computing machine (Fig. 1 parts 21) control high-tension electricity lighter, by temperature thermocouple (Fig. 1 parts 13) induction flame combustion distance, finish the aerosol can burning test and measure.

This test instrument adopts computer control to light spray, and by temperature thermocouple induction spray burning extent, as shown in Figure 3.By source of the gas be connected source of the gas pipe (Fig. 3 parts 1) provide liquefied gas as the burning source of the gas, be transported to test instrument by tracheae.Move simultaneously by computer control solenoid valve (Fig. 3 parts 17) and isolating high-pressure ignitor (Fig. 3 parts 11), liquefied gas is lighted as the instrument portfire.Solenoid valve (Fig. 3 parts 17) is placed in liquefied gas porch control liquefied gas and flows into.Burning arrives distance shown in the temperature thermocouple (Fig. 3 parts 13) as spray, and thermopair will be experienced temperature shock immediately, thereby realizes the induction of aerosol can burning extent.

The principle of work of isolating high-pressure ignitor (Fig. 3 parts 11) is: computing machine output control signal is connected isolating high-pressure ignitor (Fig. 3 parts 11) by data acquisition and control module (Fig. 3 parts 16), interior electromagnetism step-up coil, produce high-tension electricity, high-tension electricity punctures air generation electric spark by firing cable (Fig. 4 parts 15) in the liquefied gas outlet and lights liquefied gas.Isolating high-pressure ignitor has been realized the low voltage control high pressure, and discharge in 5 seconds stops automatically behind discharge igniting, guarantees handling safety.

This test instrument adopts computing machine perception aerosol can combustion case, by thermocouple sensor (Fig. 4 parts 13) collecting temperature data.When spray combustion flame arrival temperature thermocouple place, thermopair is experienced temperature shock immediately, varies with temperature the change in voltage of output millivolt level.The electric signal of output must be converted into the serial bus signal that calculates function identification through data acquisition and control module.Data acquisition and control module is made up of control module 17050 (Fig. 4 parts 20) and the communication module 17050 (Fig. 4 parts 21) of temperature sensor module (Fig. 4 parts 19), relay SSR (Fig. 4 parts 18).The detected temperature shock of temperature thermocouple, import temperature sensing module 17018 (Fig. 4 parts 19) into by the micro voltage signal, temperature sensor module is nursed one's health the back with RS485 sata standard signal form difference corresponding incoming traffic module 17520 (Fig. 4 parts 20) with the micro voltage signal through mould/number conversion and some column signals, through communication module conversion of signals to RS232 standard signal is connected to computing machine (Fig. 4 parts 22) again.

Claims

1, a kind of aerosol can burning test instrument, it is characterized in that: elevating screw and lifting table are arranged in the chamber, the clamp device that the fixation test sample is arranged on the lifting table, the top of elevating screw connects upper plate, location switch is arranged below upper plate, portfire and a plurality of temperature thermocouple are arranged on the support in lifting table the place ahead, and a plurality of temperature thermocouples are starting point from portfire, and it is in one line to press certain distance.

2, aerosol can burning test instrument according to claim 1, it is characterized in that: chamber connects control box, control box has hand control switch and automatic control switch, and control section has the computing machine of the Control Software of being equipped with automatically, and computing machine connects data acquisition and control module.

3, aerosol can burning test instrument according to claim 2, it is characterized in that: data acquisition and control module connects communication module by temperature sensor and forms, thermocouple sensor connects temperature sensor module, and temperature sensor module connects communication module, and communication module connects computing machine.