CN103513597B - A kind of test memory device with trigger controller - Google Patents
A kind of test memory device with trigger controller Download PDFInfo
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- CN103513597B CN103513597B CN201310386294.1A CN201310386294A CN103513597B CN 103513597 B CN103513597 B CN 103513597B CN 201310386294 A CN201310386294 A CN 201310386294A CN 103513597 B CN103513597 B CN 103513597B
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- chip microcomputer
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- trigger controller
- pressure transducer
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Abstract
The present invention relates to a kind of pressure test memory storage with trigger controller, it comprises web member, pressure transducer, sleeve, be provided with electric charge turns the circuit board of potential circuit, the store circuit plate being provided with one chip microcomputer and package floor, it is characterized in that signal is inputted one chip microcomputer by charge voltage change-over circuit by pressure transducer; Ferroelectric memory is connected with one chip microcomputer SPI mouth wire; One chip microcomputer is provided with the serial communication interface of externally signal transmission; The output signal collection of pressure transducer is by level triggers, and level triggers controls by trigger controller; Trigger controller is connected with one chip microcomputer wire.The present invention not only real time signal aquisition, measuring accuracy is high and data acquisition reliability is high, and applied range, can meet the needs that the pressure test under various airtight or non-air-tight state condition stores.
Description
Technical field
The invention belongs to pressure test technical field, particularly a kind of pressure test memory storage with trigger controller.
Background technology
Pressure test storage refer on measurand without under impact or condition in allowed band, measured body built-in enter miniature Data acquisition and storage tester, on-the-spot Quick Acquisition and the memory completing information in real time, then registering instrument is reclaimed, by computer disposal and a kind of technique of dynamic measurement reproducing detecting information.Current pressure test memory technology plays an important role in the numerous areas such as the test of vehicle mechanical moving component duty parameter, the test of oil well pressure measuring, blast impulse wave field, human motion and physiological parameter test, manned space flight test.
Chinese patent application 98249880.2 proposes one " impact wave pressure measurer ", and this device comprises On-board test device, telepilot.On-board test device integrates sensor, test circuit, interface, battery, and the same interface of test circuit, battery are sealed in stainless steel casing together, and sensor and shell are fastenedly connected, and the interface of On-board test device is connected with the LPTx ports of microcomputer.During test, On-board test device is placed in explosion scene, controls its work by telepilot, by reclaiming On-board test device by MICROCOMPUTER PROCESSING test data after testing.But also there is obvious deficiency in this device: one is that test process needs manual hand manipulation's telepilot, has larger time delay, cause test result and True Data to have larger error during image data; Two to be that this device is not suitable for airtight or need the test of signal shielding condition under water, causes the range of application of device very narrow.
Chinese patent application 200410012593.X proposes one " isolated gun bore pressure testing system and method for testing ", this this test macro comprises an isolated gun bore pressure test device and an isolated gun bore pressure test receiving trap, the isolated form overlength optical fiber transmission yarn connected between stream oriented device, to implement the transmission of detecting information.But also there is obvious deficiency in this device: one is that test process needs manual operation computing machine to start the operation of proving installation and receiving trap, does not have the function of real-time data collection, causes test result and True Data to have larger error; Two is that proving installation and receiving trap adopt overlength optical fiber transmission yarn, and cause apparatus structure complicated, inconvenient operation, range of application is very narrow.
How to overcome the deficiencies in the prior art and become one of emphasis difficult problem urgently to be resolved hurrily in current pressure test technical field.
Summary of the invention
The object of the invention is to provide a kind of pressure test memory storage with trigger controller for overcoming the deficiencies in the prior art, the present invention not only real time signal aquisition, measuring accuracy is high and data acquisition reliability is high, and applied range, the needs that the pressure test under various airtight or non-air-tight state condition stores can be met.
According to a kind of pressure test memory storage with trigger controller that the present invention proposes, it comprises web member, pressure transducer, sleeve, be provided with electric charge turns the circuit board of potential circuit, the store circuit plate being provided with one chip microcomputer and package floor, wherein: web member small end face is threaded with pressure transducer test lead, pressure transducer test lead is connected with bush whorl with web member small end face linkage section; The interior installation of sleeve is provided with electric charge and turns the circuit board of potential circuit and be provided with the store circuit plate of one chip microcomputer, and sleeve bottom is sealed by package floor, it is characterized in that signal is inputted one chip microcomputer by charge voltage change-over circuit by pressure transducer; Ferroelectric memory is connected with one chip microcomputer SPI mouth wire; One chip microcomputer is provided with the serial communication interface of externally signal transmission; The output signal collection of pressure transducer is by level triggers, and level triggers controls by trigger controller; Trigger controller is connected with one chip microcomputer wire.
The further preferred version of the present invention is: trigger controller comprises resistance R1 and resistance R2, and wherein: resistance R1 one end is connected with power lead, the other end is connected with resistance R2 wire; One end of resistance R2 is connected with resistance R1, and the other end is connected with one end of ground wire, and the other end of ground wire is connected with measured target fixed mount; The resistance value of resistance R1 is 51K Ω, and the resistance value of resistance R2 is 1K Ω; Ground wire is the copper cash of diameter 0.1mm.
Principle of work of the present invention is: the present invention introduces trigger controller dexterously, using the ground wire be connected with the resistance R2 of trigger controller as interrupting control line, and be fixed in measured target transmitting firing lock, when measured target is launched, interruption control line broken by firing lock, the interrupt control circuit of one chip microcomputer is made to produce the look-at-me of a rising edge, the CPU of one chip microcomputer captures triggering collection interrupt event after look-at-me, namely carries out gathering to the numerical value of pressure transducer and stores.
The present invention compared with prior art its remarkable advantage is: one be the present invention because have employed control interrupt line, make it have the real-time testing function of trigging control, so can Real-time Collection information; Two is the present invention because adopting trigger controller, so pressure test precision is high; Three be the present invention because carrying the store circuit plate being provided with one chip microcomputer, so do not need connect peripheral computer equipment, make data acquisition memory reliability high.The present invention can meet the needs that the pressure test under various airtight or non-air-tight state condition stores.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of pressure test memory storage with trigger controller that the present invention proposes.
Fig. 2 is the circuit module schematic diagram of a kind of pressure test memory storage with trigger controller that the present invention proposes.
Fig. 3 is the schematic diagram of the trigger controller circuit that the present invention proposes.
Fig. 4 is the schematic diagram being provided with the store circuit plate of one chip microcomputer that the present invention proposes.
Fig. 5 is the schematic diagram of the package floor of a kind of pressure test memory storage with trigger controller of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
Composition graphs 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, according to a kind of pressure test memory storage with trigger controller that the present invention proposes, it comprises web member (1), pressure transducer (2), sleeve (3), be provided with electric charge turns the circuit board (4) of potential circuit, the store circuit plate (5) being provided with one chip microcomputer and package floor (6), wherein: web member (1) small end face is threaded with pressure transducer (2) test lead, pressure transducer (2) test lead is threaded with sleeve (3) with web member (1) small end face linkage section; The interior installation of sleeve (3) is provided with electric charge and turns the circuit board (4) of potential circuit and be provided with the store circuit plate (5) of one chip microcomputer, and sleeve (3) bottom is sealed by package floor (6); Signal is inputted one chip microcomputer by charge voltage change-over circuit by pressure transducer (2); Ferroelectric memory is connected with one chip microcomputer SPI mouth wire; One chip microcomputer is provided with the serial communication interface of externally signal transmission; The output signal collection of pressure transducer (2) is by level triggers, and level triggers controls by trigger controller; Trigger controller is connected with one chip microcomputer wire.The further preferred version of the present invention is: trigger controller comprises resistance R1 and resistance R2, and wherein: resistance R1 one end is connected with power lead, the other end is connected with resistance R2 wire; One end of resistance R2 is connected with resistance R1, and the other end is connected with one end of ground wire, and the other end of ground wire is connected with measured target fixed mount; The resistance value of resistance R1 is 51K Ω, and the resistance value of resistance R2 is 1K Ω; Ground wire is the copper cash of diameter 0.1mm.
In the invention process process critical piece specifications parameter and require as follows:
Be provided with store circuit plate (5) main circuit of one chip microcomputer as shown in Figure 4, adopt the one chip microcomputer C8051F330 of high integration as main control chip in Fig. 4, there is the AD of 12 acquisition precisions, memory storage adopts non-volatile ferroelectric memory FM25V10, data can effectively be preserved after a power failure, one chip microcomputer in sampling process by data sync storage in nonvolatile memory, even if be difficult to the top load of expectation at some, under the mal-conditions such as HI high impact, or when there is fault because of embedding poor quality under HI high impact condition in device, also test figure measured before this can be preserved in time, for follow-up analytical work provides foundation, improve the utilizability of system to greatest extent.This programme overcomes the shortcoming that existing pressure test memory device structure is complicated, expensive, working environment is limited and tested object is single.
Web member (1) small end face is threaded with pressure transducer (2), pressure transducer (2) is threaded with sleeve (3) with web member (1) linkage section simultaneously, these two connect necessary compact, tight, prevent gas or liquid from flowing out, the measuring accuracy that impact is actual.In specific implementation process, when the fluid in tested container enters after web member (1), fluid acts on pressure transducer (2), the pressure of fluid is converted to charge signal and passes to and be provided with the circuit board (4) that electric charge turns potential circuit by pressure transducer (2), charge signal is converted to AD acquisition port that voltage signal is input to the store circuit plate (5) being provided with one chip microcomputer by the circuit board (4) being provided with electric charge and turning potential circuit, again by the store circuit plate (5) being provided with one chip microcomputer by the AD acquisition function of one chip microcomputer by voltage signal acquisition, and magnitude of voltage is stored in the ferroelectric memory on plate by SPI communication, the store circuit plate (5) being simultaneously provided with one chip microcomputer plays the function of microcomputer, the operation of the whole pressure test storage system of effective control.
Claims (3)
1. the pressure test memory storage with trigger controller, it comprises web member (1), pressure transducer (2), sleeve (3), be provided with electric charge turns the circuit board (4) of potential circuit, the store circuit plate (5) being provided with one chip microcomputer and package floor (6), wherein: web member (1) small end face is threaded with pressure transducer (2) test lead, pressure transducer (2) test lead is threaded with sleeve (3) with web member (1) small end face linkage section simultaneously; The interior installation of sleeve (3) is provided with electric charge and turns the circuit board (4) of potential circuit and be provided with the store circuit plate (5) of one chip microcomputer, sleeve (3) bottom is sealed by package floor (6), it is characterized in that signal is inputted one chip microcomputer by charge voltage change-over circuit by pressure transducer (2); Ferroelectric memory is connected with one chip microcomputer SPI mouth wire; One chip microcomputer is provided with the serial communication interface of externally signal transmission; The output signal collection of pressure transducer (2) is by level triggers, and level triggers controls by trigger controller; Trigger controller is connected with one chip microcomputer wire; Described trigger controller comprises resistance R1 and resistance R2, and wherein: resistance R1 one end is connected with power lead, the other end is connected with resistance R2 wire; One end of resistance R2 is connected with resistance R1, and the other end is connected with one end of ground wire, and the other end of ground wire is connected with measured target fixed mount.
2. a kind of pressure test memory storage with trigger controller according to claim 1, is characterized in that the resistance value of described resistance R1 is 51K Ω, and the resistance value of resistance R2 is 1K Ω.
3. a kind of pressure test memory storage with trigger controller according to claim 1 and 2, is characterized in that described ground wire is the copper cash of diameter 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310386294.1A CN103513597B (en) | 2013-08-29 | 2013-08-29 | A kind of test memory device with trigger controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310386294.1A CN103513597B (en) | 2013-08-29 | 2013-08-29 | A kind of test memory device with trigger controller |
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| Publication Number | Publication Date |
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| CN103513597A CN103513597A (en) | 2014-01-15 |
| CN103513597B true CN103513597B (en) | 2016-04-20 |
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| CN201310386294.1A Expired - Fee Related CN103513597B (en) | 2013-08-29 | 2013-08-29 | A kind of test memory device with trigger controller |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104238405B (en) * | 2014-08-25 | 2017-03-08 | 中国人民解放军第三军医大学第三附属医院 | For detecting collecting method and the high speed data acquisition system of explosion wave |
| US9639995B2 (en) * | 2015-02-25 | 2017-05-02 | Snap-On Incorporated | Methods and systems for generating and outputting test drive scripts for vehicles |
| CN108204874B (en) * | 2018-02-11 | 2023-12-01 | 浙江东南网架股份有限公司 | Buffering device for rotary opening and closing roof and control method thereof |
| CN112285543B (en) * | 2020-09-18 | 2023-03-07 | 昆明理工大学 | Lead fish underwater signal acquisition device based on alternating current signal transmission |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2190297Y (en) * | 1993-11-15 | 1995-02-22 | 吴仁基 | Digital pressure tester |
| CN2394005Y (en) * | 1999-07-01 | 2000-08-30 | 辽河石油勘探局钻采工艺研究院 | High temperature durable electronic pressure gage |
| CN100399370C (en) * | 2004-10-12 | 2008-07-02 | 华北工学院 | Isolating gun bore pressure testing system and testing method |
| WO2010036207A1 (en) * | 2008-09-29 | 2010-04-01 | Nanyang Polytechnic | Programmable pressure activated floatation trigger device |
| CN202018302U (en) * | 2011-03-09 | 2011-10-26 | 中国人民解放军总装备部军械技术研究所 | Initiating explosive device action pressure-temperature test instrument |
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