CN2738229Y - Safety glass shock failure detecting instrument - Google Patents
Safety glass shock failure detecting instrument Download PDFInfo
- Publication number
- CN2738229Y CN2738229Y CN 200420084443 CN200420084443U CN2738229Y CN 2738229 Y CN2738229 Y CN 2738229Y CN 200420084443 CN200420084443 CN 200420084443 CN 200420084443 U CN200420084443 U CN 200420084443U CN 2738229 Y CN2738229 Y CN 2738229Y
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- safety glass
- central processing
- processing unit
- output terminal
- sensor
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- Expired - Lifetime
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Abstract
The utility model discloses a safety glass shock failure detecting instrument, with the purpose of providing a safety glass detecting device which can be conveniently used and accurately detected without artificial error. The technical scheme of the safety glass shock failure detecting instrument is that the safety glass shock failure detecting instrument includes a casing provided with a power supply inside. The safety glass shock failure detecting instrument is characterized in that the outer front end of the casing is provided with a detecting probe, and a sensor connected with the detecting probe is provided in the casing. The output end of the sensor is connected with a detecting circuit, and the outer surface of the casing is provided with a power switch, an LCD, and an operating panel which are respectively connected with interfaces corresponding to the detecting circuit via lines. The utility model with the advantages of visual detecting result, accurate data, simple operation, and convenient maintenance and carrying can be widely used for departments of producing detection and development research of the safety glass for enterprises, quality detection stations of architectural engineering, quality detection stations of production, educational institutions of scientific research, etc.
Description
Technical field
The utility model relates to a kind of glass checkout equipment, particularly relates to a kind of safety glass impact failure detector.
Background technology
Along with the high speed development of China's modernization, the door glass of aviation, automobile, train and the security and the reliability of the engineering glass components such as glass curtain wall in the heavy construction seem more and more important.The safety glass impact failure detects can carry out effective performance test to the quality and the security of above-mentioned glass component, with the security that guarantees that glass uses.The detection method that adopts mainly is to utilize the shot of 50kg with certain speed bump glass, the effect when bumping against with the automobile wind shield glass that imitates people and high-speed cruising at present.After tested glass is impacted, show three kinds of forms usually: first kind is that tested glass is excellent after being hit, and breakage takes place, and this glass belongs to specification product; Second kind is the tested glass after being hit, and breakage is very serious, and is unrenewable, and complete failure takes place, and this glass belongs to defective; The third is after tested glass is hit, and damaged the generation arranged, and still can use, but can't determine whether to lose efficacy, and can't confirm whether tested glass is qualified.
The judgment criteria of safety glass impact failure mainly can also be born great load two aspects by the size at glass breakage position and glass breakage position and considered that damaged position is normally circular under above-mentioned the third situation, and its size is determined with diameter.In existing technology, the testing staff just measures the glass breakage place with hand-held measuring sonde in the process of experimentizing, beasurement base is the diameter and the bearing load of breakage, and measurement result relies on testing staff's experience fully, and this makes the test findings error very big; If test probe passes tested glass, the testing staff does not know that tested glass passes through yet under much test force, can't judge that damaged glass can also bear great power, this makes testing result lack quantitative test, and can't further improve glass properties to glass production producer provides foundation.
The utility model content
The purpose of this utility model provides a kind of personal error of avoiding, and is simple to operate, easy to use and detect safety glass impact failure detector more accurately.
For achieving the above object, the utility model is taked technical scheme: a kind of safety glass impact failure detector, comprise that one is built-in with the housing of power supply, it is characterized in that: described outside front end is provided with a detection probe, enclosure interior is provided with the sensor that is connected with detection probe, and the output terminal of sensor is connected with a testing circuit; Also be provided with power switch, display screen and control panel on the described housing outer surface, it is connected with the corresponding interface of described testing circuit by circuit respectively, and described display screen is a LCD.
Above-mentioned testing circuit includes an one-level amplifier, a wave filter, a two-stage amplifier, a digital to analog converter and a central processing unit; The output terminal of described sensor and one-level amplifier input terminal are joined, the output terminal of one-level amplifier connects the input end of described wave filter, the output terminal of wave filter connects the input end of described two-stage amplifier, the two-stage amplifier output terminal is pegged graft by the interface of described digital to analog converter and central processing unit, described power supply is a power module, and itself and described central processing unit join.
Above-mentioned control panel is provided with overload-alarm lamp, reset key, unit shift key and peak value and keeps key, and it is connected with the corresponding interface of described central processing unit respectively; The hummer that also has with the central processing unit grafting.
Above-mentioned detection probe is spherical shape, and the housing front end offers the perforation of a detection probe web member, and detection probe touches by the sensor in bolt and the housing, receives the load signal of detection probe by sensor.
The utility model is owing to adopt above technical scheme, its beneficial effect is as follows: setting of the present utility model, with the load signal of detection probe through sensor, the one-level amplifier, wave filter, two-stage amplifier is sent into central processing unit through digital to analog converter, after the built-in routine processes of central processing unit, the liquid crystal display displays that its result is provided with by this detector surface of shell, the destructive power of people or outer bound pair glass can be according to the overload-alarm lamp control of establishing in this detector, avoided the interference of human factor, its test result is directly perceived, more accurate than the data that conventional art is measured, for further improving glass properties, glass production producer provides reference frame more accurately.Simultaneously, this detector keeps the setting of key by reset key, unit shift key, the peak value of control panel, can guarantee the accuracy of measurement of this instrument, can adjust it arbitrarily and measure the conversion between the weighing unit in the numerical value, LCD also will demonstrate corresponding unit symbol, it is simple to operate, for ease of maintenaince and be easy to carry, safe and convenient to use, be specially adapted to the production testing and the development research field of safety glasses such as enterprise, construction engineering quality measuring station, product quality measuring station, research institutions.
Description of drawings
Fig. 1 is a contour structures synoptic diagram of the present utility model
Fig. 2 moves towards block scheme for data flow of the present utility model
Fig. 3 is that the circuit of the inner relevant parts of Fig. 1 connects synoptic diagram
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, the utility model by a profile be handle shape, the housing 1 and the detection probe 2 that are provided with power supply in it form, its housing outer surface is provided with a LCD 3, control panel 4 and power switch 5; The testing circuit that its enclosure interior is equipped with a sensor 6 and joins with it; Testing circuit is by the one-level amplifier 7, the wave filter 8 that connect successively, two-stage amplifier 9, and digital to analog converter 10, central processing unit 11 are formed; Its power supply is a power module 12, and power module 12 is connected with central processing unit 11; LCD 3, control panel 4 and power switch 5 are pegged graft with the corresponding interface of central processing unit 11 respectively.
A hole is offered on the top of housing 1, detection probe 2 is a ball probe, be fixed with a connection piece on it, this web member is by the hole of housing 1, penetrating housing 1 sensor 6 interior and that establish in it touches, the input end of the output terminal of sensor 6 and one-level amplifier 7 joins, the output terminal of one-level amplifier 7 connects the input end of wave filter 8, the output terminal of wave filter 8 connects the input end of two-stage amplifier 9, two-stage amplifier 9 output terminals are pegged graft by the digital to analog converter 10 and the interface of central processing unit 11, in the wiring that also is plugged with the operating key on the control panel 4 on the central processing unit 11; Operating key is reset key 41, unit shift key 42, peak value reservation key 43 and overload-alarm lamp 44; Wherein, the function of reset key 41 is before detector carries out operational measure, carries out zero clearing earlier, to guarantee the accurate of its measured value; The function of unit shift key 42 is can change between " kilogram " and " newton " these two weighing units, and demonstrates corresponding unit symbol by display window; The function that peak value keeps key 43 is by the peak value prewired program, can real time record measure peak value when carrying out kinetic measurement.
In addition, on central processing unit 11, also be plugged with low pressure alarming lamp 45, low pressure alarming lamp 45 can be provided with a display lamp separately on control panel, also can be arranged in the same lamp with overload-alarm lamp 44, by showing red light or green light difference warning classification, when showing red light, expression overload light 44 is reported to the police; When showing green light, expression low pressure alarming lamp 45 is reported to the police.Hummer 46 is plugged on the interface of central processing unit 11.
In the present embodiment, one-level amplifier 7 is selected the INA118 chip for use, wave filter 8 is selected the MAX7401 chip for use, two-stage amplifier 9 is selected the LM158 chip for use, digital to analog converter 10 is selected the AD7705 chip for use, it is the single-chip microcomputer of AT89C52 that 11 of central processing units are selected model for use, and above-mentioned accessory is the market sale product.
After sensor 6 is sensed the load signal of detection probe 2, amplification filtering by one-level amplifier 7, wave filter 8, two-stage amplifier 9 is handled, send signal to digital to analog converter 10, digital to analog converter 10 sends central processing unit 11 to after analog signal conversion is digital signal; Central processing unit 11 is through traditional programmed process, can judge the size of the load signal that receives, when load surpasses 25N, central processing unit 11 just starts hummer 46, it is piped, represent that this piece glass is qualified, and when power surpasses 50N, 11 of central processing units start overload-alarm lamp 44, remind the user not continue reinforcing; In addition, central processing unit 11 can also be exported the size of load by LCD 3 in real time, the peak-peak that also can show load simultaneously, if detection probe 2 has been passed glass to be detected, and this moment, load did not also surpass 25N, this piece glass is then defective so, at this moment can know the maximum load that glass can bear in the whole testing process by showing peak-peak, helps feeding back to producer and improves.
Principle of work of the present utility model is:
When in use, at first turn on the power switch, at this moment LCD 3 can demonstrate the printed words of " welcome ", and after a period of stabilisation, LCD 3 just can demonstrate current strength value.It is a lot of to depart from zero point as the value of flexing one's muscle under the light condition, just make the numerical value zero clearing by reset key 41.When safety glass being carried out the impact failure detection, tester slowly near tested glass, is put into the glass breakage place with test probe under the situation of zero load, and is slowly afterburning.If tested probe passes completely through, and institute's dynamometry does not reach 25N, illustrate that then tested glass lost efficacy, promptly defective, otherwise, when institute's dynamometry does not reach 25N and tested probe when not passing, can hear hummer 46 " toot " one, illustrate that then tested glass did not lose efficacy, promptly qualified.In addition,, please tester is kept horizontality during detection, and slowly constant speed loads for avoiding personal error.
Under the tester duty, the unit's of pressing shift key 42 can conversion between " kg " (kilogram), these two weighing units of " N " (newton), and simultaneously, display window also will show corresponding unit symbol.
Claims (5)
1, a kind of safety glass impact failure detector, include a housing that is built-in with power supply, it is characterized in that: described outside front end is provided with a detection probe, and enclosure interior is provided with the sensor that is connected with detection probe, and the output terminal of sensor is connected with a testing circuit; Also be provided with power switch, display screen and control panel on the described housing, it is connected by the corresponding interface of circuit and testing circuit respectively.
2, safety glass impact failure detector according to claim 1, it is characterized in that: described testing circuit includes an one-level amplifier, a wave filter, a two-stage amplifier, a digital to analog converter and a central processing unit; The output terminal of described sensor and one-level amplifier input terminal are joined, the output terminal of one-level amplifier connects the input end of described wave filter, the output terminal of wave filter connects the input end of described two-stage amplifier, the two-stage amplifier output terminal is pegged graft by the interface of described digital to analog converter and central processing unit, described power supply is a power module, and it is connected with described central processing unit.
3, safety glass impact failure detector according to claim 1 and 2, it is characterized in that: described control panel is provided with overload-alarm lamp, reset key, unit shift key and peak value and keeps key, it is connected with the corresponding interface of described central processing unit respectively, with the hummer that also has of central processing unit grafting.
4, safety glass impact failure detector according to claim 1 and 2, it is characterized in that: described detection probe is spherical shape, and described display screen is a LCD.
5, safety glass impact failure detector according to claim 3, it is characterized in that: described detection probe is spherical shape, and described display screen is a LCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420084443 CN2738229Y (en) | 2004-07-28 | 2004-07-28 | Safety glass shock failure detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420084443 CN2738229Y (en) | 2004-07-28 | 2004-07-28 | Safety glass shock failure detecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2738229Y true CN2738229Y (en) | 2005-11-02 |
Family
ID=35348135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420084443 Expired - Lifetime CN2738229Y (en) | 2004-07-28 | 2004-07-28 | Safety glass shock failure detecting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2738229Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542993A (en) * | 2013-10-25 | 2014-01-29 | 江苏铁锚玻璃股份有限公司 | Carrying tool safety glass multi-dimensional vibration and shock environment simulation platform |
| CN108291852A (en) * | 2015-11-18 | 2018-07-17 | 康宁股份有限公司 | Device and method for determining the stress in handheld apparatus cover-plate glass |
| CN110530249A (en) * | 2019-08-30 | 2019-12-03 | 无锡市海鹰工程装备有限公司 | A kind of preamplifier and its inductosyn of inductosyn |
-
2004
- 2004-07-28 CN CN 200420084443 patent/CN2738229Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542993A (en) * | 2013-10-25 | 2014-01-29 | 江苏铁锚玻璃股份有限公司 | Carrying tool safety glass multi-dimensional vibration and shock environment simulation platform |
| CN103542993B (en) * | 2013-10-25 | 2016-03-16 | 江苏铁锚玻璃股份有限公司 | A kind of apparatus of transport safety glass multi-dimensional vibration and shock environment analog platform |
| CN108291852A (en) * | 2015-11-18 | 2018-07-17 | 康宁股份有限公司 | Device and method for determining the stress in handheld apparatus cover-plate glass |
| US10955311B2 (en) | 2015-11-18 | 2021-03-23 | Corning Incorporated | Apparatus and methods to determine stresses in cover glass of handheld devices |
| CN110530249A (en) * | 2019-08-30 | 2019-12-03 | 无锡市海鹰工程装备有限公司 | A kind of preamplifier and its inductosyn of inductosyn |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: !!!CHINA BUILDING MATERIAL TEST + CERTIFICATION GR Free format text: FORMER OWNER: CHINA BUILDING MATERIAL SCIENTIFIC RESEARCH INST. Effective date: 20120917 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA BUILDING MATERIAL SCIENTIFIC RESEARCH INST. Free format text: FORMER NAME: CHINA BUILDING MATERIAL SCIENCE INST. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100024 Beijing, Guanzhuang, East Lane, No. 1, Patentee after: CHINA BUILDING MATERIALS ACADEMY Address before: 100024 Beijing, Guanzhuang, East Lane, No. 1, Patentee before: China Building Materials Academy |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120917 Address after: 100024 Beijing, Guanzhuang, East Lane, No. 1, Patentee after: CHINA BUILDING MATERIAL TEST & CERTIFICATION GROUP Co.,Ltd. Address before: 100024 Beijing, Guanzhuang, East Lane, No. 1, Patentee before: CHINA BUILDING MATERIALS ACADEMY |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140728 Granted publication date: 20051102 |