CN1609905A - Isolating gun bore pressure testing system and testing method - Google Patents
Isolating gun bore pressure testing system and testing method Download PDFInfo
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- CN1609905A CN1609905A CN 200410012593 CN200410012593A CN1609905A CN 1609905 A CN1609905 A CN 1609905A CN 200410012593 CN200410012593 CN 200410012593 CN 200410012593 A CN200410012593 A CN 200410012593A CN 1609905 A CN1609905 A CN 1609905A
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Abstract
The isolated gun bore pressure measuring system and method belongs to the field of electronic test instrument. The isolated gun bore pressure measuring system includes one isolated gun bore pressure measurer, one isolated gun bore pressure receiver, and isolated super-long transmission fiber in between. The measurer has powerful electromagnetically shielding casing to ensure the real-time measurement and real-time data storing in site; the isolated high speed low loss fiber completes the high speed and low power consumption anti-jamming information transmission; and the isolated receiver completes the real-time receiving, processing and recording of gun bore pressure. The system has advanced measurement method, smart design, reasonable structure, high stability and high reliability, and is essential for developing new type of gun.
Description
One. technical field
Isolated form bore pressure testing system disclosed by the invention and method of testing belong to the electronic instrument technical field, are specifically related to a kind of test macro and method of testing that is used for new-type electrothermal chemical cannon bore pressure.
Two. background technology
When new-type electrothermal chemical gun is worked, the capacitor group is discharged to the plasma generator in the electrothermal chemical gun by pulse forming network, produce high-temperature plasma, the propellant of action of plasma in coyote hole causes electrochemical reaction, produce high temperature and high pressure gas, gases at high pressure and plasma drive bullet jointly and advance.In the course of work, the electrothermal chemical gun body is charged, gun pressure is high transient state wide range pressure, and exist the Strong electromagnetism to do sorrow, this makes the gun pressure measurement of electrothermal gun become most important in the electrothermal chemical gun measuring technique also is the gordian technique of difficulty maximum, transient state physics National Key Laboratory of domestic Institutes Of Technology Of Nanjing uses Kistler6215 piezoelectric sensor, charge amplifier (using ups power to give power supply and mains isolation) and instantaneous waveform recorder, once successfully catch the gun pressure data of ETC big gun, but under the Strong electromagnetic interference environment, once repeatedly damaged testing tool.The external Katulka of AUS equipment department, G.L. wait the people in test base, U.S. Aberdeen, effectively suppress high frequency noise by ferrite bean is installed on data line, and adopted metal shell that whole test system is shielded, successfully obtained the electrothermal chemical gun gun pressure curve of 30mm.
In the development and process of the test of Electromagnetic Launching weapon technology, the use of equipment such as electromagnetic ignition, pulse X-ray photograph, spark shadowgraph photography often relates to the interference problem of high-voltage pulse heavy-current discharge.Because voltage height, discharge current are big, it disturbs and often to make the testing tool can't operate as normal, the large scale integrated circuit in the instrument particularly, adopted submicrometer processing, more be unable to undergo the impact of high voltage, big electric current, tend to cause that insulation course punctures, cause testing tool to damage, have a strong impact on the development process of modern weapon.Therefore research and solve under Strong electric field, Strong magnetic field, Strong electromagnetic field and the electromagnetic environment of Strong that when the high-voltage pulse heavy-current discharge, produces and realize obtaining and live transmission method and technology of multidate information (voltage, electric current, gaseous tension, temperature etc.), very necessary, also press for.Can form thus be applied to this field stable, reliable, precision is high, bandwidth, withstand voltage high transmission, pen recorder or system, for the development of modern weapon provides effective means of testing, is the idea of our original intention.
Three. summary of the invention
The objective of the invention is provides the method and the instrument that can be useful for the pressure test of new-type cannon bore to society, for the development of new-type cannon and Defence business are done a little contributions.
Technical thought of the present invention is: at first adopt the electromangnetic spectrum of anti-strong-electromagnetic field, guarantee practicality, reliability and the measuring accuracy of testing tool; Secondly adopt high-speed, low-power consumption, anti-interference optical fiber transmission technique, guarantee the real-time Transmission of detecting information; In conjunction with test and memory technology, the research new method of testing that real-time testing, real-time storage and the real-time many technology of Optical Fiber Transmission combine under electromagnetic screen, and having manufactured and designed the new-type cannon bore of isolated form pressure testing system, the effect of the phase of giving has been received in the enforcement of this new approaches, new method and new technology.
Technology contents of the present invention comprises isolated form bore pressure testing system and method for testing two parts technology contents.
About isolated form bore pressure testing system, this system comprises the information acquisition of bore pressure and processing section, partial message transmission, message pick-up part.Wherein the information acquisition of bore pressure and processing section are isolated form bore pressure test devices, this device is connected by information acquisition circuit, information-processing circuit, information output circuit and their auxiliary circuit of housing and interior bore pressure thereof and Control Software function and forms, information acquisition circuit comprises sensor, amplifying circuit and the output terminal thereof of information acquisition, and information-processing circuit comprises input circuit, trigger circuit, counting circuit, memory circuit, A/D change-over circuit, control circuit, parallel-to-serial converter, coding circuit etc.Auxiliary circuit comprises and computer interface circuits, time base circuit, reference circuit, Data Control bus, power control circuit, battery and power circuit etc.Partial message transmission is connected and forms with circuit, the Optical Fiber Transmission cable function of interface by light output, and they are connected by functions such as electrical information input end, electro-optical conversion circuit, light output end, interface circuit and Optical Fiber Transmission cables and form.The message pick-up of bore pressure partly is an isolated form bore pressure test receiving trap, this device is by the message pick-up circuit of housing and control panel and interior bore pressure thereof, information-processing circuit, information output circuit and their auxiliary circuit and Control Software function connect to be formed, wherein the message pick-up circuit is the circuit of light input and interface, it comprises Connectorized fiber optic cabling, light input end, photoelectric switching circuit, electrical information output terminal etc., information-processing circuit comprises the electrical information input end, serial-parallel conversion circuit, decoding circuit, latch cicuit, control circuit, D/A change-over circuit etc., the information output circuit comprises information output and output cable thereof, and auxiliary circuit is embraced and drawn together crystal oscillating circuit, time base circuit, power circuit and power supply source etc.The electronic component, device, assembly, parts, integrated circuit block, circuit board, connecting conducting wire and the cable that also comprise assembling each part mentioned above circuit, function connect package assembly and become isolated form bore pressure testing system.Technical characterstic is: this isolated form bore pressure testing system is to be constituted real-time testing under the housing shielding protection of anti-Strong electromagnetic field and stored device, the isolated form bore pressure test receiving trap of bore pressure information and be connected in the isolated form Connectorized fiber optic cabling of the real-time Transmission detecting information between stream oriented device by multistage screen layer, forms isolated form bore pressure testing system jointly.Wherein bore pressure information real-time testing mechanism and real-time pressure information storage mechanism, information acquisition part by the bore pressure in this system, the information processing part, each circuit of information output part branch and their slave part and the common formation of Control Software part, and collaborative work realizes bore pressure information real-time testing and real-time storage, divide at information output part under the cooperation of each circuit and Optical Fiber Transmission cable, realize the real-time extra long distance transmission of bore pressure test information simultaneously, in the message pick-up part, under the coordinated of each circuit of information processing part, realize the real-time reception and the processing of bore pressure test information simultaneously.
The above-described isolated form bore of root a tree name pressure testing system, technical characterstic also has: the housing that described multistage screen layer constitutes anti-Strong electromagnetic field is three grades of enclosed type shielding layer structures, its first order is the higher armoured magnetic field layer of magnetic permeability, as making the armoured magnetic field layer with materials such as the higher 30# steel of magnetic permeability, cast irons.The second level is the higher electric field shielding layer of conductivity, as making the electric field shielding layer with the higher materials such as red copper of conductivity.The third level is the good composite shielding layer of magnetic permeability, conductivity of screened circuit module periphery, as making compound screen layer with materials such as platinum film alloys.
According to above-described isolated form bore pressure testing system, the detailed technology characteristics have: the Connectorized fiber optic cabling of the described transmission real-time testing of a. information is the isolated form high speed Low-loss fiber transmission yarn of overlength, build-out 〉=120m, certainly also can lack, as 100m or 80m, the optical fiber front end can with supporting butt joint of fiber-optic output of isolated form bore pressure test device, to connect the electro-optical conversion circuit of proving installation, electro-optical conversion circuit is that the master constitutes by the electrical to optical converter of also string conversion, and the input end of this electrical to optical converter connects with the output terminal of coding circuit.Its terminal can with supporting butt joint of optic fibre input end of isolated form bore pressure test receiving trap, to connect the photoelectric switching circuit of receiving trap, photoelectric switching circuit is that the master constitutes by the photoelectric commutator of string and conversion, and the output terminal of this photoelectric commutator connects with the input end of decoding circuit.The circuit module of b. described isolated form bore pressure test device all is solidified into circuit body with the casting glue embedding and is assembled in multistage screen layer and constitutes in the housing of anti-Strong electromagnetic field, and the circuit module casting glue is complete to adopt known commercially available casting glue to get final product.
According to above-described isolated form bore pressure testing system, the detailed technology characteristics also have: the bore pressure information Acquisition Circuit of the described isolated form bore of a. pressure test device is connected and is formed by information acquisition sensor, information amplifying circuit, information acquisition sensor is made of piezoelectric pressure indicator, and its output terminal connects the input end of information amplifying circuit; The information amplifying circuit is that the master constitutes by the integrated circuit block operational amplifier, and its integrated circuit block operational amplifier is a broadband integrated circuit block operational amplifier; The trigger circuit of the information-processing circuit of b. described isolated form bore pressure test device comprise and trigger comparator circuit, heavy trigger circuit repeatedly, the input end that triggers comparator circuit connects with the second-order low-pass filter output terminal, trigger the comparator circuit output terminal and connect with the input end that repeatedly weighs trigger circuit, repeatedly heavy trigger circuit output terminal connects with control circuit; The control circuit of the information-processing circuit of c. described isolated form bore pressure test device is made up of the multistage gating circuit of multichannel, they connect respectively and control store circuit, trigger circuit, A/D change-over circuit and each control end of conversion and coding circuit, data bus of going here and there, and they also connect and be controlled by the control output end of trigger circuit, power control circuit, computer interface circuits respectively; The memory circuit of the information-processing circuit of d. described isolated form bore pressure test device is organized memory circuit, address circuit and B group memory circuit, address circuit function by A and is connected and form; The control circuit of the information-processing circuit of e. described isolated form bore pressure receiving trap connects and controls the control end of string and conversion and decoding circuit, trigger circuit, D/A change-over circuit respectively.The design of all available known technology of above-described each circuit realizes, also can make of electronic devices and components assembling known and that the merchant sells, as long as can realize all can the using of function of above-described each circuit.
According to above-described isolated form bore pressure testing system, the detailed technology characteristics also have: the time base circuit of the auxiliary circuit of the described isolated form bore of a. pressure test device is made up of crystal oscillating circuit and frequency dividing circuit, and time base circuit connects and control the control end of A/D change-over circuit and A group memory circuit respectively; The time base circuit of the auxiliary circuit of b. described isolated form bore pressure receiving trap is the time-base oscillation circuit of a 48M, and it connects and control the control end of decoding circuit, D/A change-over circuit; The interface circuit that connects with computing machine of the auxiliary circuit of c. described isolated form bore pressure test device is the parallel type interface circuit, and this circuit connects and control the control end of B group memory circuit, control circuit respectively; The power control circuit of the auxiliary circuit of d. described isolated form bore pressure test device is formed their connections and control battery and multiple power supplies circuit by on-off circuit or/and the gating circuit function connects; The data bus of the auxiliary circuit of e. described isolated form bore pressure test device is a WEF/ signal control data bus, and it is that the master constitutes by the integrated circuit block of data bus controller; The piezoelectric pressure indicator of f. described bore pressure information Acquisition Circuit is that sensitivity is the type quartz crystal pressure transducer of 1.48pc/unit; Described bore pressure information Acquisition Circuit also is provided with second-order low-pass filter, and it connects with the integrated circuit block operational amplifier output terminal; G. described coding circuit connects coding circuit by parallel-to-serial converter and forms, and coding circuit is that the master constitutes by the integrated circuit block of encoding, and parallel-to-serial converter is that the master constitutes by the integrated circuit block of also string conversion; Described decoding circuit is the decoding circuit that error correction is arranged, and error correction is finished by programmable in it; H. described A/D change-over circuit is that the master constitutes by A/D converter ic piece, and its input end connects with the second-order low-pass filter output terminal, and its output terminal connects with data bus; I. described D/A change-over circuit is that the master constitutes by D/A converter ic piece, and its input end connects with the decoding circuit output terminal, and its output terminal promptly is the information output of receiving trap; The A group memory circuit of the memory circuit of j. described isolated form bore pressure test device is the first in first out memory circuit, and it is that the master constitutes by the integrated circuit block storage, and its address circuit is that the master constitutes by 13 station integrated circuit block address generators; The B group memory circuit of the memory circuit of k. described isolated form bore pressure test device is that the master constitutes by the integrated circuit block random access memory, and its address circuit is that the master constitutes by 19 station integrated circuit block address generators.The design of all available known technology of above-described each circuit realizes, also can make of electronic devices and components assembling known and that the merchant sells, as long as can realize all can the using of function of above-described each circuit.
According to above-described isolated form bore pressure testing system, the detailed technology characteristics also have: the described coding circuit of a. is the circuit of 14 bit parallels coding, it is that the master constitutes by the integrated circuit block of also going here and there conversion and encode, as being made of integrated circuit block 74HC166,74HC74,74HC08 etc.B. described A group memory circuit is made of first in first out integrated circuit block storage, as being made of storer HM6264, HC4040, CC4024 etc.The integrated circuit block random access memory of c. described B group memory circuit constitutes, and as being made of storer EM628512 etc., it writes end and connects A/D change-over circuit control end, connects with computer interface circuits one input end and read end.D. described frequency dividing circuit is made up of two frequency dividing circuits of 1M and 16M, and it is made of integrated circuit block EX0316M.E. described reference circuit is a circuit of supplying with operational amplifier, A/D converter biasing power supply, and it is that the master constitutes by integrated circuit block, as being made of integrated circuit block ADR290.More than the integrated circuit block of the described use of each circuit all be known commercially available integrated circuit block, also can electronic devices and components, integrated circuit block assembling known of other and that the merchant sells make, as long as can realize all can the using of function of above-described each circuit.
According to above-described isolated form bore pressure testing system, the detailed technology characteristics also have: the Control Software part of the described isolated form bore of a. pressure testing system mainly is made up of read routine, display routine, print routine, data processor etc.; The main interface of the software program of b. described isolated form bore pressure testing system by instrument block, order block, state blocks, paint to block etc. and form; The software command of c. described isolated form bore pressure testing system blocks by each order button to be formed, mainly contains: compositions such as adopting reading, read file, the calibration value of reading, waveform printing, sensitivity are provided with.
About isolated form bore method for testing pressure, it is a kind of Strong electric field that produces at the high-voltage pulse heavy-current discharge, Strong magnetic field, under the electromagnetic environment of Strong electromagnetic field and Strong, adopt the new bore pressure test instrument system of a cover, real-time testing, the practical approach of the bore pressure information of real-time storage and the new-type cannon of real-time Transmission, technical characterstic is: adopt a cover isolated form bore pressure test instrument system, to be implemented in real-time testing under the electromagnetic screen, the new method of testing that many technology of real-time storage and real-time Transmission bore pressure information combine, this cover isolated form bore pressure testing system includes: be arranged on the isolated form bore pressure test device that new-type cannon produces the strong-electromagnetic field scene, this proving installation is connected with the Connectorized fiber optic cabling of transmission real-time testing information, Connectorized fiber optic cabling is connected with isolated form bore pressure information receiving trap, forms isolated form bore pressure testing system jointly.Wherein isolated form bore pressure test device is one and adopts device case that multistage screen layer constitutes anti-Strong electromagnetic field and the device of real-time testing and real-time storage bore pressure information under the electromagnetic shielding shell protection; its bore pressure information real-time testing mechanism and real-time pressure information storage mechanism; by the information acquisition of the bore pressure in this system part, information processing part, information output part divides and each circuit of their slave part and Control Software part constitute jointly, and collaborative work realizes bore pressure information real-time testing and real-time storage.The Connectorized fiber optic cabling of transmission real-time testing information is the jamproof isolated form overlength optical fiber of a high speed low consumption transmission yarn, divides at information output part under the cooperation of each circuit and Optical Fiber Transmission cable, realizes the real-time extra long distance transmission of bore pressure test information simultaneously.Under the coordinated of isolated form bore pressure information receiving trap message pick-up part, each circuit of information processing part, realize real-time reception, processing and the record etc. of bore pressure test information simultaneously.
According to above-described isolated form bore method for testing pressure, technical characterstic also has: the housing that the multistage screen layer of described isolated form bore pressure test device constitutes anti-Strong electromagnetic field is three grades of enclosed type shielding layer structures, its first order is the higher armoured magnetic field layer of magnetic permeability, as making the armoured magnetic field layer with materials such as the higher 30# steel of magnetic permeability, cast irons.The second level is the higher electric field shielding layer of conductivity, as making the electric field shielding layer with the higher materials such as red copper of conductivity.The third level is the good composite shielding layer of magnetic permeability, conductivity of screened circuit module periphery, as making compound screen layer with materials such as platinum film alloys.
According to above-described isolated form bore method for testing pressure, technical characterstic also has: the Connectorized fiber optic cabling of the described transmission real-time testing of a. information is the isolated form high speed Low-loss fiber transmission yarn of overlength, build-out 〉=120m, certainly also can lack, as 100m or 80m, the optical fiber front end can with supporting butt joint of fiber-optic output of isolated form bore pressure test device, to connect the electro-optical conversion circuit of proving installation, electro-optical conversion circuit is that the master constitutes by the electrical to optical converter of also string conversion, and the input end of this electrical to optical converter connects with the output terminal of coding circuit.Its terminal can with supporting butt joint of optic fibre input end of isolated form bore pressure test receiving trap, to connect the photoelectric switching circuit of receiving trap, photoelectric switching circuit is that the master constitutes by the photoelectric commutator of string and conversion, and the output terminal of this photoelectric commutator connects with the input end of decoding circuit.The circuit module of b. described isolated form bore pressure test device all is solidified into circuit body with the casting glue embedding and is assembled in multistage screen layer and constitutes in the housing of anti-Strong electromagnetic field, and the circuit module casting glue is complete to adopt known commercially available casting glue to get final product.
Isolated form bore pressure testing system of the present invention and method of testing advantage are a lot: 1. the electromangnetic spectrum that at first adopts anti-strong-electromagnetic field, isolated form bore pressure test device adopts the shell of three grades of electro-magnetic screen layers, guarantees practicality, reliability and the measuring accuracy of test macro; Secondly 2. adopt high-speed, low-power consumption, anti-interference optical fiber transmission technique, form the Connectorized fiber optic cabling of the isolated form high speed low consumption transmission of overlength, guarantee the real-time over distance transmission of detecting information; 3. in conjunction with test, storage, reception technique, utilize isolated form bore pressure test receiving device, realize under the electromagnetic screen, the new method of testing that combines in real-time testing, real-time storage, the real-time Transmission of the on-the-spot bore pressure of cannon and many technology of receiving in real time, and the development testing tool system that makes new advances; 4. the method for testing advanced person that this novel isolated form bore pressure testing system adopts, design ingenious, rational in infrastructure, stable precision, reliable and practical, be that the necessary testing tool of developing new cannon weapon is equipped, be worth of widely use.
Four. description of drawings
Figure of description of the present invention has 9 width of cloth:
Fig. 1 is an isolated form bore pressure test device circuit structure block scheme;
Fig. 2 is an isolated form bore pressure receiving trap circuit structure block scheme;
Fig. 3 is an isolated form bore pressure test device entity structure cut-away view;
Fig. 4 is an isolated form bore pressure test device bore pressure information amplifying circuit schematic diagram;
Fig. 5 is that isolated form bore pressure test device triggers the comparator circuit schematic diagram;
Fig. 6 is the repeatedly heavy trigger circuit schematic diagram of isolated form bore pressure test device;
Fig. 7 is an isolated form bore pressure test device control circuit schematic diagram;
Fig. 8 is isolated form bore pressure test device and string conversion and coding circuit schematic diagram;
Fig. 9 is the software main program block diagram of isolated form bore pressure test device.
In each figure: 1. piezoelectric sensor; 2. information amplifying circuit; 3.A/D change-over circuit; 4. buffer circuit; 5. trigger circuit; 6.A group address circuit; 7.A group memory circuit; 8.B group address circuit; 9.B group memory circuit; 10. control circuit; 11. computer interface circuit; 12. and string conversion and coding circuit; 13. electro-optical conversion circuit; 14. Optical Fiber Transmission cable output interface; 15. Optical Fiber Transmission cable; 16. time base circuit; 17. computing machine; 18. proving installation housing; 19. Optical Fiber Transmission cable input interface; 20. photoelectric switching circuit; 21. string and conversion and decoding circuit; 22. latch cicuit; 23.D/A change-over circuit; 24. receiving trap output terminal; 25. receiving trap time base circuit; 26. receiving trap control circuit; 27. receiving trap housing; 28. Connection Block; 29. adapter sleeve; 30. battery cover; 31. the electromagnetic screen ground floor of proving installation housing; 32. the electromagnetic screen second layer of proving installation housing; 33. battery module; 34. the circuit module of proving installation; 35. the 3rd layer of the electromagnetic screen of proving installation; 36. Rubber washer; 37. end cap; 38. output adapter sleeve; 39. optical fiber isolating cylinder; 40. isolate lid; 41. end cap; 42.IC
1High range (600Mpa) input end; 43..IC
1Lower range (350Mpa) input end; 44.IC
1Output terminal; 45.IC
1The reference potential input end; 46.IC
2Ground end and low level end; 47.IC
2The trigger pip input end; 48.IC
2The comparison signal input end; 49.IC
2The triggering output terminal; 50.IC
2The high level end; 51.IC
2From union end; 52.IC
3The triggering input end; 53.IC
4Address input end; 54.IC
3Output terminal, also be IC
5The control input end; 55.IC
4Output terminal, IC holds concurrently
5An input end; 56. ground end; 57.IC
5The triggering output terminal; 58.IC
5Triggering (bearing) output terminal; 59.IC
5Clear terminal; 60.IC
6Trigger input end; 61.IC
6Enable (interface) control end; 62.IC
9Enable (interface) control end; 63.IC
9The reading input end; 64.IC
7Time base input end; 65.IC
8Time base input end; 66.IC
6Output terminal also is IC
8An input end; 67. ground end; 68.IC
10Enable (interface) control end; 69.IC
7Output terminal, also be IC
10An input end; 70.IC
8Output terminal, also be IC
11An input end; 71.IC
9Output terminal, also be IC
11Another input end; 72. ground end; 73.IC
10Output terminal, also be IC
12Input end; 74.IC
12Enable (interface) control end; 75.IC
11Output terminal; 76.IC
12Output terminal, also be IC
14Input end; 77.IC
13The reading input end; 78.IC
13Output terminal, also be IC
15Input end; 79.IC
15Enable (interface) control end; 80.IC
14(write address) output terminal, to the push-up storage input end; 81.IC
15Output terminal; 82.IC
16, IC
17Clear terminal; 83.IC
16, IC
17Set input, also be IC
18The SET output; 84. ground end; 85.IC
16, IC
17Time base input end; 86～93.IC
16Eight bit parallel data input pins; 94.IC
16The serial data output terminal, i.e. parallel-to-serial converter output terminal; 95.IC
16And string conversion input end, also be IC
17And string conversion output terminal; 96～103.IC
17Eight bit parallel data input pins; 104. ground end; 105,106.IC
17The noble potential input end; 107.IC
18The SET output, also be IC
19Set input; 108.IC
18The input end of set, also be IC
20Output terminal; 109.IC
18Time base input end; 110.IC
20The zero clearing input end; 111.IC
19Output terminal, also be IC
20An input end; 112,113.IC
19The noble potential input end; 114.IC
19Another output terminal; 115.IC
19Time base input end; 116. beginning; 117. reading? 118. reading of data; 119. data run through; 120. input information storage; 121. demonstration primary curve; 122. man-machine conversation operation; 123. quit a program? 124. finish; R
1～R
5Be resistance; C
1～C
5Be electric capacity: IC
1～IC
20Be integrated circuit block.
Five. specific embodiments
Non-limiting examples of the present invention is as follows:
Embodiment one. isolated form bore pressure testing system and method for testing
This routine isolated form bore pressure testing system concrete structure is united by Fig. 1～Fig. 9 and is illustrated.This system comprises the information acquisition of bore pressure and processing section, partial message transmission, message pick-up part.Wherein the information acquisition of bore pressure and processing section are isolated form bore pressure test devices, this device is by the information acquisition circuit of housing 18 and interior bore pressure thereof, information-processing circuit, information output circuit and their auxiliary circuit and Control Software function connect to be formed, shown in Figure 1 is isolated form bore pressure test device circuit structure block scheme, wherein information acquisition circuit has the piezoelectric sensor 1 of information acquisition, information amplifying circuit 2 and output terminal thereof, information-processing circuit comprises input circuit, A/D change-over circuit 3, buffer circuit 4, trigger circuit 5, memory circuit 6～9, control circuit 10, and string conversion and coding circuit 12, counting circuits etc., auxiliary circuit comprise computing machine 17, interface circuit 11, time base circuit 16, reference circuit, the Data Control bus, power control circuit, battery and power circuit etc.The information output part branch comprises the circuit of light output and interface, and they are that functions such as the interface circuit 14 of electrical information input end, electro-optical conversion circuit 13, fiber-optic output and Optical Fiber Transmission cable 15 connect and form.The message pick-up of bore pressure partly is an isolated form bore pressure test receiving trap, this device is by the message pick-up circuit of housing 27 and control panel and interior bore pressure thereof, information-processing circuit, information output circuit and their auxiliary circuit and Control Software function connect to be formed, shown in Figure 2 is isolated form bore pressure test receiving trap circuit structure block scheme, wherein the message pick-up circuit is the circuit of light input and interface, it comprises Connectorized fiber optic cabling 15, light input end or interface 19, photoelectric switching circuit 20, electrical information output terminal etc., information-processing circuit comprises the electrical information input end, serial-parallel conversion circuit and decoding circuit 21, latch cicuit 22, receiving trap control circuit 26, D/A change-over circuit 23 etc., the information output circuit comprises information output and output cable thereof, and auxiliary circuit is embraced crystal oscillating circuit and the time base circuit 25 of drawing together receiving trap, power circuit and power supply source etc.The electronic component, device, assembly, parts, integrated circuit block, circuit board, connecting conducting wire and the cable that also comprise assembling each part mentioned above circuit, function connect package assembly and become isolated form bore pressure testing system.Fig. 3 then illustrates this routine isolated form bore pressure test device entity structure cut-away view, has among the figure: the ground floor 31 of Connection Block 28, adapter sleeve 29, proving installation housing---urceolus, end cap 37, output adapter sleeve 38, optical fiber isolating cylinder 39, isolate cover 40, end cap 41 etc. all is the electromagnetic screen ground floor that the 30# steel is done.The second layer 32---the inner core of battery cover 30, proving installation housing, it all is the electromagnetic screen second layer of making material of red copper, battery module 33, Rubber washer 36, particularly the circuit module 34 of proving installation all is encapsulated in the 3rd layer 35 of the electromagnetic screen that the platinum film alloy material does, circuit module 34 all is solidified into circuit body with the casting glue embedding, and be assembled in multistage screen layer and constitute in the housing 18 of anti-Strong electromagnetic field, the circuit module casting glue is complete to adopt known commercially available casting glue to get final product.For anti-Strong electromagnetic field, this routine proving installation is provided with the housing that three grades of electro-magnetic screen layers constitute, and its first order is the higher armoured magnetic field layer 31 of magnetic permeability etc., is to make the armoured magnetic field layer with the higher materials such as 30# steel of magnetic permeability.The second level is the higher electric field shielding layer 32 of conductivity etc., is to make the electric field shielding layer with the higher materials such as red copper of conductivity.The third level is the good composite shielding layer 35 of magnetic permeability, the conductivity of screened circuit module 34 peripheries, is to make compound screen layer with materials such as platinum film alloys.Bore pressure information real-time testing mechanism and real-time pressure information storage mechanism under shielding casing protection in it; information acquisition part by the bore pressure in this system; the information processing part; each circuit of information output part branch and their slave part and Control Software part are common to be constituted and collaborative work realization bore pressure information real-time testing and real-time storage; divide at information output part under the cooperation of each circuit and isolated form overlength optical fiber transmission yarn; realize the real-time extra long distance transmission of bore pressure test information simultaneously; in the message pick-up part; under the coordinated of each circuit of information processing part, realize the real-time reception and the processing of bore pressure test information simultaneously.The Connectorized fiber optic cabling of the isolated form high speed low consumption transmission that described isolated form Optical Fiber Transmission cable 15 is overlength, its length palpus 〉=120m, certainly also can lack, as 100m or 80m, fiber-optic output 14 supporting butt joints of optical fiber front end and isolated form bore pressure test device, front end connects the electro-optical conversion circuit 13 of proving installation, and electro-optical conversion circuit 13 is that the master constitutes by the electrical to optical converter of also string conversion, and the input end of electro-optical conversion circuit connects with the output terminal of coding circuit 12.The fibre-optic terminus has interface, with the optic fibre input end 19 supporting butt joints of isolated form bore pressure test receiving trap.The installation situation of information acquisition sensor 1 also is shown in Fig. 3, and this sensor 1 is made of piezoelectric pressure indicator, and it is that sensitivity is the type quartz crystal pressure transducer of 1.48pc/unit, in this way 6215 piezoelectric pressure indicators of Kistler company.And bore pressure information Acquisition Circuit is made up of information acquisition sensor 1 and 2 connections of information amplifying circuit, and the output terminal of its information acquisition sensor 1 connects the input end of information amplifying circuit 2.Fig. 4 illustrates the structure of information amplifying circuit 2, and it is by IC
1The integrated circuit block operational amplifier is main formation, and its integrated circuit block operational amplifier is a broadband integrated circuit block operational amplifier OPA2340.Information acquisition circuit also is provided with second-order low-pass filter (it is made of integrated circuit block OPA2340), and it connects with information amplifying circuit 2 output terminals.Fig. 5, Fig. 6 show trigger circuit 5, comprise and trigger comparator circuit, heavy trigger circuit repeatedly, triggering comparator circuit is main constitute (structure is seen Fig. 5) by integrated circuit block MAX931, its input end connects with the second-order low-pass filter output terminal, triggering the comparator circuit output terminal connects with the input end that repeatedly weighs trigger circuit, repeatedly heavy trigger circuit are that the master constitutes (structure is seen Fig. 6) by two 74HC04 and a slice 74HC74 integrated circuit block, and this circuit output end connects with control circuit 10.Control circuit 10 is made up of the multistage gating circuit of multichannel, promptly by IC
6, IC
12, IC
20(all being 74HC08), IC
7, IC
8, IC
10, IC
11(all being 74HC00 integrated circuit blocks), IC
9, I
15(all being 74HC32 integrated circuit blocks), IC
13, IC
14The connection of (all being 74HC04 integrated circuit blocks) common function forms, it is shown among Fig. 7, this circuit connects respectively and control store circuit 6～9, trigger circuit 5, A/D change-over circuit 3, and each control end of string conversion and coding circuit 12, data bus, also connect respectively and be controlled by trigger circuit 5, power control circuit, with the control output end of the interface circuit 11 of computing machine 17.Memory circuit is connected and is formed by A group memory circuit 6, address circuit 7 and B group memory circuit 8, address circuit 9 functions.A group memory circuit 6 is the first in first out memory circuit, it is that the master constitutes by two HM6264, a slice HC4040, a slice CC4024 integrated circuit block storage, its address circuit 7 is that the master constitutes by 13 integrated circuit block address generator, and the address of 8kw storer can be provided.B group memory circuit 8 is that the master constitutes by EM628512 integrated circuit block random access memory, and memory capacity is 512k * 8, and it writes the control end that end connects A/D change-over circuit 3, connects with interface circuit 11 1 input ends of computing machine 17 and read end.Its address circuit 9 is that the master constitutes by 19 integrated circuit block address generator, and the address of 512kw storer can be provided.The A/D change-over circuit is that the master constitutes by A/D converter ic piece AD9243, and its input end connects with the second-order low-pass filter output terminal, and its output terminal connects with data bus.Coding circuit 12 shown in Figure 8 is circuit of one 14 bit parallel coding, coding circuit 12 connects coding circuit by parallel-to-serial converter and forms, by the integrated circuit block of also going here and there conversion and encode is that the master constitutes, as being made of integrated circuit block 74HC166,74HC74,74HC08 etc.The interface circuit 11 that connects with computing machine 17 is parallel type interface circuits, and this circuit connects and control the control end of B group memory circuit 8, control circuit 10 respectively.Time base circuit 16 is connected by crystal oscillating circuit and frequency dividing circuit and forms, time base circuit 16 connects and controls the control end of A/D change-over circuit 3 and A group memory circuit 6 respectively, frequency dividing circuit is made up of two frequency dividing circuits of 1M and 16M, and it is made of integrated circuit block EM0316M.Data bus is a WEF/ signal control data bus, and it is that the master constitutes by the integrated circuit block 74HC244 of data bus controller.Power control circuit or/and the connection of gating circuit function is formed, connects also control battery and multiple power supplies circuit by on-off circuit, and it is that the master constitutes by integrated circuit block LP2985.Reference circuit is supplied with the circuit of operational amplifier, A/D converter biasing power supply, and it is that the master constitutes by integrated circuit block ADR290.The control circuit 26 of the information-processing circuit of isolated form bore pressure receiving trap connects and controls the control end of string and conversion and decoding circuit 21, trigger circuit, D/A change-over circuit 23 respectively.Decoding circuit 21 is decoding circuits that error correction is arranged, and it is that the master constitutes by integrated circuit block EPM7064STC, and error correction is finished by the programmable in it.D/A change-over circuit 23 is that the master constitutes by D/A converter ic piece DA669, and its input end connects with decoding circuit 21 output terminals, and its output terminal promptly is the information output of receiving trap.The time base circuit 25 of the auxiliary circuit of isolated form bore pressure receiving trap is the time-base oscillation circuit of a 48M, and it connects and control the control end of decoding circuit 21, D/A change-over circuit 23.The all available known technology of other NM circuit designs and produces.Also have, the Control Software part mainly is made up of read routine, display routine, print routine, data processor etc.; Shown in Figure 9 is the software main program block diagram of this isolated form bore pressure test device, and software main program has: beginning 116; Reading 117? reading of data 118; Data run through 119; Input information storage 120; Show primary curve 121; Man-machine conversation operation 122; Quit a program 123? end 124 etc.And the main interface of software program, it by instrument block, order block, state blocks, paint to block etc. and form.Software command blocks by each order button to be formed, mainly contains: compositions such as adopting reading, read file, the calibration value of reading, waveform printing, sensitivity are provided with.More than the integrated circuit block of the described use of each circuit all be known commercially available integrated circuit block, also can electronic devices and components, integrated circuit block assembling known of other and that the merchant sells make.The all available known technology design of described above each circuit and Control Software part realizes, as long as can realize all can the using of function of above-described each circuit.
The isolated form bore method for testing pressure that this is routine, it is a kind of Strong electric field that produces at the high-voltage pulse heavy-current discharge, Strong magnetic field, under the electromagnetic environment of Strong electromagnetic field and Strong, adopt the new bore pressure test instrument system of a cover, real-time testing, the practical approach of the bore pressure information of real-time storage and the new-type cannon of real-time Transmission, adopt a cover isolated form bore pressure test instrument system, the entity structure of this test macro is united by Fig. 1～Fig. 9 and is illustrated, this cover isolated form bore pressure testing system includes: be arranged on the isolated form bore pressure test device 18 that new-type cannon produces the strong-electromagnetic field scene, this proving installation is connected with the Connectorized fiber optic cabling 15 of transmission real-time testing information, Connectorized fiber optic cabling is connected with isolated form bore pressure information receiving trap 27, forms isolated form bore pressure testing system jointly.Wherein isolated form bore pressure test device is one and adopts device case that multistage screen layer constitutes anti-Strong electromagnetic field and the device of real-time testing and real-time storage bore pressure information under the electromagnetic shielding shell protection; the housing that the multistage screen layer of isolated form bore pressure test device constitutes anti-Strong electromagnetic field is three grades of enclosed type shielding layer structures; its first order is the higher armoured magnetic field layer of magnetic permeability, as making the armoured magnetic field layer with materials such as the higher 30# steel of magnetic permeability, cast irons.The second level is the higher electric field shielding layer of conductivity, as making the electric field shielding layer with the higher materials such as red copper of conductivity.The third level is the good composite shielding layer of magnetic permeability, conductivity of screened circuit module periphery, as making compound screen layer with materials such as platinum film alloys.The circuit module 34 of isolated form bore pressure test device all is solidified into circuit body with the casting glue embedding and is assembled in multistage screen layer and constitutes in the housing of anti-Strong electromagnetic field, the new method of testing that combines with the many technology that are implemented in real-time testing under the electromagnetic screen, real-time storage and real-time Transmission bore pressure information.Its bore pressure information real-time testing mechanism and real-time pressure information storage mechanism, by the information acquisition of the bore pressure in this system part, information processing part, information output part divides and each circuit of their slave part and Control Software part constitute jointly, and collaborative work realizes bore pressure information real-time testing and real-time storage.The Connectorized fiber optic cabling 15 of transmission real-time testing information is the jamproof isolated form overlength optical fiber of a high speed low consumption transmission yarn, build-out 〉=120m, certainly also can lack, as 100m or 80m, the optical fiber front end can with supporting butt joint of fiber-optic output of isolated form bore pressure test device, to connect the electro-optical conversion circuit of proving installation.Its terminal can with supporting butt joint of optic fibre input end of isolated form bore pressure test receiving trap, to connect the photoelectric switching circuit of receiving trap.Divide at information output part under the cooperation of each circuit and Optical Fiber Transmission cable, realize the real-time extra long distance transmission of bore pressure test information simultaneously.Under the coordinated of isolated form bore pressure information receiving trap message pick-up part, each circuit of information processing part, realize real-time reception, processing and the record of bore pressure test information simultaneously.What all the other were not stated is same as described in this routine isolated form bore pressure testing system entirely, no longer stating more.
Embodiment two. isolated form bore pressure testing system and method for testing
The concrete structure of the isolated form bore pressure testing system that this is routine is united by Fig. 1～Fig. 9 and is illustrated.This system comprises the information acquisition of bore pressure and processing section, partial message transmission, message pick-up part.Wherein the information acquisition of bore pressure and processing section are isolated form bore pressure test devices, shown in Figure 1 is isolated form bore pressure test device circuit structure block scheme, Fig. 3 then illustrates this routine isolated form bore pressure test device entity structure cut-away view, and this device comprises information acquisition circuit, information-processing circuit, information output circuit and their auxiliary circuit and the Control Software of the bore pressure of housing 18 and interior assembling thereof.The message pick-up of bore pressure partly is an isolated form bore pressure test receiving trap, shown in Figure 2 is isolated form bore pressure test receiving trap circuit structure block scheme, and this device is connected by message pick-up circuit, information-processing circuit, information output circuit and their auxiliary circuit of housing 27 and control panel and interior bore pressure thereof and Control Software function and forms.Fig. 4～Fig. 8 then unites the concrete structure of some circuit that this example isolated form bore pressure testing system is shown, and shown in Figure 9 is the software main program block diagram of this example isolated form bore pressure test device.Different with embodiment one is: 1. ground floor 22---the urceolus etc. of this proving installation housing are the higher armoured magnetic field layers of magnetic permeability, are to make the armoured magnetic field layer with the higher materials such as cast iron of magnetic permeability.2. information amplifying circuit 2 is broadband integrated circuit block operational amplifiers, is that the master constitutes by integrated circuit block operational amplifier OPA340.3.A/D change-over circuit is that the master constitutes by A/D converter ic piece AD9240.What all the other were not stated is same as described in the embodiment one entirely, no longer stating more.
About this routine isolated form bore method for testing pressure, also be same as entirely described in the embodiment one, no longer repeat.
Claims (10)
1. isolated form bore pressure testing system; this system comprises the information acquisition and the processing section of bore pressure; partial message transmission; the message pick-up part; wherein the information acquisition of bore pressure and processing section are isolated form bore pressure test devices; this device is by the information acquisition circuit of housing and interior bore pressure thereof; information-processing circuit; information output circuit and their auxiliary circuit and Control Software function connect to be formed; partial message transmission is by the circuit of light output with interface; the Optical Fiber Transmission cable; light input end connects composition with the interface circuit function; the message pick-up of bore pressure partly is an isolated form bore pressure test receiving trap; this device is by the message pick-up circuit of housing and control panel and interior bore pressure thereof; information-processing circuit; information output circuit and their auxiliary circuit and Control Software function connect to be formed; the electronic component that also comprises assembling each part mentioned above circuit; device; assembly; parts; integrated circuit block; circuit board; connecting conducting wire and cable; function connects package assembly and becomes isolated form bore pressure testing system; be characterised in that: this isolated form bore pressure testing system is to be constituted real-time testing under the housing shielding protection of anti-Strong electromagnetic field and stored the device of bore pressure information by multistage screen layer; isolated form bore pressure test receiving trap and be connected in the isolated form Connectorized fiber optic cabling of the real-time Transmission detecting information between stream oriented device is formed isolated form bore pressure testing system jointly.
2. the described isolated form bore of root a tree name claim 1 pressure testing system is characterised in that; The housing that the multistage screen layer of described isolated form bore pressure test device constitutes anti-Strong electromagnetic field is three grades of enclosed type shielding layer structures, its first order is the higher armoured magnetic field layer of magnetic permeability, the second level is the higher electric field shielding layer of conductivity, and the third level is the good composite shielding layer of magnetic permeability, conductivity of screened circuit module periphery.
3. isolated form bore pressure testing system according to claim 2 is characterised in that:
The Connectorized fiber optic cabling of a. described transmission real-time testing information is the isolated form high-speed transfer Connectorized fiber optic cabling of overlength, build-out 〉=120m, its front end can with supporting butt joint of fiber-optic output of isolated form bore pressure test device, to connect the electro-optical conversion circuit of proving installation, its terminal can with supporting butt joint of optic fibre input end of isolated form bore pressure test receiving trap, to connect the photoelectric switching circuit of receiving trap;
The circuit module of b. described isolated form bore pressure test device all is solidified into circuit body with the casting glue embedding and is assembled in multistage screen layer and constitutes in the housing of anti-Strong electromagnetic field.
4. isolated form bore pressure testing system according to claim 3 is characterised in that:
The bore pressure information Acquisition Circuit of a. described isolated form bore pressure test device is connected and is formed by information acquisition sensor, information amplifying circuit, information acquisition sensor is made of piezoelectric pressure indicator, and its output terminal connects the input end of information amplifying circuit; The information amplifying circuit is that the master constitutes by the integrated circuit block operational amplifier, and its integrated circuit block operational amplifier is a broadband integrated circuit block operational amplifier;
The trigger circuit of the information-processing circuit of b. described isolated form bore pressure test device comprise and trigger comparator circuit, heavy trigger circuit repeatedly, the input end that triggers comparator circuit connects with the second-order low-pass filter output terminal, trigger the comparator circuit output terminal and connect with the input end that repeatedly weighs trigger circuit, repeatedly heavy trigger circuit output terminal connects with control circuit;
The control circuit of the information-processing circuit of c. described isolated form bore pressure test device is made up of the multistage gating circuit of multichannel, they connect respectively and control store circuit, trigger circuit, A/D change-over circuit and each control end of conversion and coding circuit, data bus of going here and there, and they also connect and be controlled by the control output end of trigger circuit, power control circuit, computer interface circuits respectively;
The memory circuit of the information-processing circuit of d. described isolated form bore pressure test device is organized memory circuit, address circuit and B group memory circuit, address circuit function by A and is connected and form;
The control circuit of the information-processing circuit of e. described isolated form bore pressure receiving trap connects and controls the control end of string and conversion and decoding circuit, trigger circuit, D/A change-over circuit respectively.
5. isolated form bore pressure testing system according to claim 4 is characterised in that:
The time base circuit of the auxiliary circuit of a. described isolated form bore pressure test device is made up of crystal oscillating circuit and frequency dividing circuit, and time base circuit connects and control the control end of A/D change-over circuit and A group memory circuit respectively;
The time base circuit of the auxiliary circuit of b. described isolated form bore pressure receiving trap is the time-base oscillation circuit of a 48M, and it connects and control the control end of decoding circuit, D/A change-over circuit;
The interface circuit of the c. described auxiliary circuit that connects with computing machine is the parallel type interface circuit, and this circuit connects and control the control end of B group memory circuit, control circuit respectively;
The power control circuit of the auxiliary circuit of d. described isolated form bore pressure test device is formed their connections and control battery and multiple power supplies circuit by on-off circuit or/and the gating circuit function connects;
The data bus of the auxiliary circuit of e. described isolated form bore pressure test device is a WEF/ signal control data bus, and it is that the master constitutes by the integrated circuit block of data bus controller;
The piezoelectric pressure indicator of f. described bore pressure information Acquisition Circuit is that sensitivity is the type quartz crystal pressure transducer of 1.48pc/unit; Described bore pressure information Acquisition Circuit also is provided with second-order low-pass filter, and it connects with the integrated circuit block operational amplifier output terminal;
G. described coding circuit connects coding circuit by parallel-to-serial converter and forms, and coding circuit is that the master constitutes by the integrated circuit block of encoding, and parallel-to-serial converter is that the master constitutes by the integrated circuit block of also string conversion; Described decoding circuit is the decoding circuit that error correction is arranged;
H. described A/D change-over circuit is that the master constitutes by A/D converter ic piece, and its input end connects with the second-order low-pass filter output terminal, and its output terminal connects with data bus;
I. described D/A change-over circuit is that the master constitutes by D/A converter ic piece, and its input end connects with the decoding circuit output terminal, and its output terminal promptly is the information output of receiving trap;
The A group memory circuit of the memory circuit of j. described isolated form bore pressure test device is the first in first out memory circuit, and it is that the master constitutes by the integrated circuit block storage, and its address circuit is that the master constitutes by 13 station integrated circuit block address generators;
The B group memory circuit of the memory circuit of k. described isolated form bore pressure test device is that the master constitutes by the integrated circuit block random access memory, and its address circuit is that the master constitutes by 19 station integrated circuit block address generators.
6. isolated form bore pressure testing system according to claim 5 is characterised in that:
A. described coding circuit is the circuit that 14 bit parallels are encoded, and it is that the master constitutes by the integrated circuit block of also going here and there conversion and encode;
The A group memory circuit of b. described isolated form bore pressure test device is made of first in first out integrated circuit block storage;
The B group memory circuit of c. described isolated form bore pressure test device is made of the integrated circuit block random access memory, and it writes end and connects A/D change-over circuit control end, connects with an input end of computer interface circuits and read end;
The time base circuit of d. described isolated form bore pressure test device is made up of two frequency dividing circuits of 1M and 16M;
The reference circuit of the auxiliary circuit of e. described isolated form bore pressure test device is a circuit of supplying with operational amplifier, A/D converter biasing power supply, and it is that the master constitutes by integrated circuit block.
7. isolated form bore pressure testing system according to claim 6 is characterised in that:
The Control Software part of a. described isolated form bore pressure testing system mainly is made up of read routine, display routine, print routine, data processor;
The main interface of the software program of b. described isolated form bore pressure testing system by instrument block, order block, state blocks, paint to block and form;
The software command of c. described isolated form bore pressure testing system blocks by each order button to be formed, mainly contains: adopt reading, read file, the calibration value of reading, waveform printing, sensitivity be provided with composition.
8. isolated form bore method for testing pressure; it is a kind of Strong electric field that produces at the high-voltage pulse heavy-current discharge; Strong magnetic field; under the electromagnetic environment of Strong electromagnetic field and Strong; adopt the new bore pressure test instrument system of a cover; real-time testing; the practical approach of the bore pressure information of real-time storage and the new-type cannon of real-time Transmission; be characterised in that: adopt a cover isolated form bore pressure test instrument system; to be implemented in real-time testing under the electromagnetic screen; the new method of testing that many technology of real-time storage and real-time Transmission bore pressure information combine; this cover isolated form bore pressure testing system includes: be arranged on the isolated form bore pressure test device that new-type cannon produces the strong-electromagnetic field scene; this proving installation is connected with the Connectorized fiber optic cabling of transmission real-time testing information; Connectorized fiber optic cabling is connected with isolated form bore pressure information receiving trap; the common isolated form bore pressure testing system of forming; wherein isolated form bore pressure test device be one adopt device case that multistage screen layer constitutes anti-Strong electromagnetic field and under the electromagnetic shielding shell protection device of real-time testing and real-time storage bore pressure information, the Connectorized fiber optic cabling of transmission real-time testing information is the jamproof isolated form overlength optical fiber of a high speed low consumption transmission yarn.
9. isolated form bore method for testing pressure according to claim 8, be characterised in that: the housing that the multistage screen layer of described isolated form bore pressure test device constitutes anti-Strong electromagnetic field is three grades of enclosed type shielding layer structures, its first order is the higher armoured magnetic field layer of magnetic permeability, the second level is the higher electric field shielding layer of conductivity, and the third level is the good composite shielding layer of magnetic permeability, conductivity of screened circuit module periphery.
10. isolated form bore method for testing pressure according to claim 9 is characterised in that:
The Connectorized fiber optic cabling of a. described transmission real-time testing information is the isolated form Optical Fiber Transmission cable of overlength, build-out 〉=120m, its front end can with supporting butt joint of fiber-optic output of isolated form bore pressure test device, to connect the electro-optical conversion circuit of proving installation, its terminal can with supporting butt joint of optic fibre input end of isolated form bore pressure test receiving trap, to connect the photoelectric switching circuit of receiving trap;
The circuit module of b. described isolated form bore pressure test device all is solidified into circuit body with the casting glue embedding and is assembled in multistage screen layer and constitutes in the housing of anti-Strong electromagnetic field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410012593XA CN100399370C (en) | 2004-10-12 | 2004-10-12 | Isolating gun bore pressure testing system and testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410012593XA CN100399370C (en) | 2004-10-12 | 2004-10-12 | Isolating gun bore pressure testing system and testing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1609905A true CN1609905A (en) | 2005-04-27 |
| CN100399370C CN100399370C (en) | 2008-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB200410012593XA Expired - Fee Related CN100399370C (en) | 2004-10-12 | 2004-10-12 | Isolating gun bore pressure testing system and testing method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539049A (en) * | 2012-01-16 | 2012-07-04 | 中北大学 | Capacitance pressure tester |
| CN103513597A (en) * | 2013-08-29 | 2014-01-15 | 南京理工大学 | Pressure test storing device with trigger controller |
| CN106781808A (en) * | 2017-01-22 | 2017-05-31 | 中北大学 | A kind of inner trajectory gun pressure signal generator for launching virtual experimental for firearms |
| CN109655179A (en) * | 2018-12-06 | 2019-04-19 | 东南大学 | Three-dimensional force sensor measuring circuit and method with temperature-compensating and optical fiber output |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2080177C (en) * | 1992-01-02 | 1997-02-25 | Edward Allan Highum | Electro-magnetic shield and method for making the same |
-
2004
- 2004-10-12 CN CNB200410012593XA patent/CN100399370C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539049A (en) * | 2012-01-16 | 2012-07-04 | 中北大学 | Capacitance pressure tester |
| CN102539049B (en) * | 2012-01-16 | 2014-07-02 | 中北大学 | Capacitance pressure tester |
| CN103513597A (en) * | 2013-08-29 | 2014-01-15 | 南京理工大学 | Pressure test storing device with trigger controller |
| CN106781808A (en) * | 2017-01-22 | 2017-05-31 | 中北大学 | A kind of inner trajectory gun pressure signal generator for launching virtual experimental for firearms |
| CN106781808B (en) * | 2017-01-22 | 2019-04-05 | 中北大学 | A kind of inner trajectory gun pressure signal generator for firearms transmitting virtual experimental |
| CN109655179A (en) * | 2018-12-06 | 2019-04-19 | 东南大学 | Three-dimensional force sensor measuring circuit and method with temperature-compensating and optical fiber output |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100399370C (en) | 2008-07-02 |
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