CN104316263B - Pressure transducer tester and portable pressure transducer test device - Google Patents

Pressure transducer tester and portable pressure transducer test device Download PDF

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Publication number
CN104316263B
CN104316263B CN201410604881.8A CN201410604881A CN104316263B CN 104316263 B CN104316263 B CN 104316263B CN 201410604881 A CN201410604881 A CN 201410604881A CN 104316263 B CN104316263 B CN 104316263B
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China
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terminal
transducer
signal
pressure transducer
electrically connected
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CN201410604881.8A
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CN104316263A (en
Inventor
马富波
贺佩东
苏海明
姚军
李小平
张潮丽
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CNPC Xibu Drilling Engineering Co Ltd
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CNPC Xibu Drilling Engineering Co Ltd
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Abstract

The present invention relates to pressure transducer technical field of measurement and test, it is a kind of pressure transducer tester and portable pressure transducer test device, the pressure transducer tester includes cabinet bulk, rechargable power supplies module, multichannel DC DC power module, sensor digital display instrument and can connect the aviation socket of pressure transducer terminals to be tested, and rechargable power supplies module and multichannel DC DC power module are fixedly mounted on inside cabinet bulk;The portable pressure transducer test device includes pressure transducer tester, hydraulic hand-pump, pressure gauge, hydraulic quick coupling, fluid pressure line and sensor erection joint.Present configuration is reasonable and compact, it is easy to use, which can realize the detection that pressure transducer is completed rapidly and accurately before construction, problematic pressure transducer is processed in time, guarantee the good working state of pressure transducer, improve the normal function rate of pressure transducer, with it is safe and reliable, laborsaving, easy, efficient the characteristics of.

Description

Pressure transducer tester and portable pressure transducer test device
Technical field
The present invention relates to pressure transducer technical field of measurement and test, is a kind of pressure transducer tester and portable pressure sensing Device test device.
Background technology
MWD wireless drillings measuring system or RWD wireless drillings measuring system using pressure transducer be by down-hole pulse The drilling fluid pulse signal that generator is produced is converted into the key device of the signal of telecommunication, and pressure sensor senses standpipe mud pressure becomes Drilling well head of liquid pulse signal is converted into into the signal of telecommunication after change, decoding device is sent to, hole deviation, side is then processed and be reduced into The data such as position, tool-face, as work under bad environment is easily damaged.The pressure transducer profile of the MWD of different manufacturers production Structure is different from, but principle and effect are identicals, i.e., when pressure is acted on the diaphragm of pressure transducer, resistance value is sent out Changing and a linearizing signal output being directly proportional to actuating pressure is produced, Jing after processing system process, be reduced into Required project data.At present, the mwd system of each directional well company configuration is by different manufacturers production, its instrument and pressure sensing Device structure, model are differed, wherein it is conventional have that Beijing is sea blue, it be open-minded in Beijing and the pressure sensing of Beijing six directions production The sea blue pressure transducer produced with apocalypse open-birth in Beijing of device, wherein Beijing is diffusion silicon type, the electric current adopted international standards Signal, its current signal are 4-20mA, and the pressure transducer of Beijing six directions production is that battery is powered, and that it is given is I-WIRE Protocol signal, its signal are sensor voltage signal is converted by the DS2431 chips of Maxim MAXIM.
Because currently without special pressure transducer tester and portable pressure transducer test device, in detection pressure During sensor, pressure transducer can only be connected on standpipe is together carried out with instrument test, and this method can only detect pressure The pressure of sensor, and can not detect whether the circuit inside which is normal, by the conventional pressure transducer through test Normal function rate statistics find, through test pressure transducer normal function rate be only 30 percent, work as pressure Pressure transducer can only be unloaded from standpipe during sensor fault, this need expend 30 minutes, first have to termination of pumping, fall low pressure after Pressure transducer can be just unloaded, new pressure transducer is then changed and is tested again, this construction that not only have impact on drilling team is entered Degree and work efficiency, also increase the labor intensity of engineering staff.Due to without the test dedicated for detection pressure transducer Device, it is impossible to pressure release sensor and check miscellaneous equipment, be so greatly increased exclude instrument failure time, increase Add the labor intensity of engineering staff, reduce work efficiency.
The content of the invention
The invention provides a kind of pressure transducer tester and portable pressure transducer test device, overcome above-mentioned existing There is the deficiency of technology, which can the existing pressure transducer test of effectively solving has failture evacuation difficulty, high labor intensive, work effect The low problem of rate.
One of technical scheme is realized by following measures:A kind of pressure transducer tester, including Cabinet bulk, rechargable power supplies module, multichannel DC-DC power module, sensor digital display instrument and pressure sensing to be tested can be connected The aviation socket of device terminals, rechargable power supplies module and multichannel DC-DC power module are fixedly mounted on inside cabinet bulk, sensing Device digital display instrument is fixedly mounted on the front end of cabinet bulk, and aviation socket is fixedly mounted on the rear end of cabinet bulk, rechargable power supplies module Electricity output end electrically connect with the electrical input of multichannel DC-DC power module, the electricity output end of multichannel DC-DC power module with pass The power supply terminal electrical connection of sensor digital display instrument, the signal input part of sensor digital display instrument are electrically connected with aviation socket.
The further optimization and/or improvements to one of foregoing invention technical scheme are presented herein below:
Above-mentioned aviation socket may include the first aviation socket and the second aviation socket, and the first aviation socket includes the first socket Signal output plus end and the first receptacle signal output negative terminal, the second aviation socket include the second socket power supply terminal, second Receptacle signal output plus terminal and the second receptacle signal export negative terminal;The front end right part of cabinet bulk is from top to bottom sequentially installed with First sense light, anti-misoperation switch and the second sense light, anti-misoperation switch include the first normally opened contact, first Normally-closed contact, the second normally opened contact, the second normally-closed contact, the 3rd normally opened contact, the 3rd normally-closed contact, the first stationary contact, second Stationary contact, the 3rd stationary contact, the first movable contact spring, the second movable contact spring and the 3rd movable contact spring, the first movable contact spring, the second movable contact spring and Three movable contact spring relevant actions, under normally off, the first movable contact spring opens the first stationary contact and the electrical connection of the first normally-closed contact, switching Closing the first movable contact spring can be such that the first stationary contact electrically connects with the first normally opened contact, and under normally off, the second movable contact spring makes the second stationary contact Point and the electrical connection of the second normally-closed contact, switching the second movable contact spring of switch can be such that the second stationary contact electrically connects with the second normally opened contact, Under normally off, the 3rd movable contact spring makes the 3rd stationary contact and the electrical connection of the 3rd normally-closed contact, switching the 3rd movable contact spring of switch make the Three stationary contacts are electrically connected with the 3rd normally opened contact;Multichannel DC-DC power module include power plus end, power supply negative terminal, first Output voltage terminals, second voltage lead-out terminal and tertiary voltage lead-out terminal;The signal output part of the second aviation socket passes through First signal isolation transducer is electrically connected with the signal input part of sensor digital display instrument, and the first signal isolation transducer is believed for V/I Number isolating converter, the first signal isolation transducer include the first transducer power supply terminal, the first transducer signal input positive terminal Son, the first transducer signal input negative terminal, the first transducer signal output plus terminal and the first transducer signal output negative terminal Son;Sensor digital display instrument includes digital display instrument power supply terminal, isolation power supply plus end, isolation power supply negative terminal, current signal input Plus end and current signal input negative terminal;The first voltage outfan of digital display instrument power supply terminal and multichannel DC-DC power module Son electrical connection, the first receptacle signal output plus terminal isolate plus end electrical connection of powering, sensor number with sensor digital display instrument The isolation of aobvious instrument is powered, and negative terminal is electrically coupled in series with current signal input positive terminal, and the first receptacle signal output negative terminal is normal with first Open contact electrical connection;Second socket power supply terminal is electrically connected with the tertiary voltage lead-out terminal of multichannel DC-DC power module, and second Receptacle signal output plus terminal is electrically connected with the first transducer signal input positive terminal, and the second receptacle signal exports negative terminal and the The current signal of the son electrical connection of one transducer signal input negative terminal, the first transducer signal output plus terminal and sensor digital display instrument Input positive terminal son electrical connection, the first transducer signal output negative terminal are electrically connected with the first normally-closed contact;First stationary contact and biography The current signal input negative terminal son electrical connection of sensor digital display instrument, the second stationary contact are electric with the earth terminal of multichannel DC-DC power module Connection, the 3rd stationary contact are electrically connected with the positive output terminals of rechargable power supplies module;The positive pole of the first sense light with it is many The negative electricity of the second voltage lead-out terminal electrical connection of road DC-DC power module, the second normally opened contact and the first sense light Connection, the positive pole of the second sense light are electrically connected with the tertiary voltage lead-out terminal of multichannel DC-DC power module, and second is normally closed Contact is electrically connected with the negative pole of the second sense light, and the 3rd normally opened contact and the 3rd normally-closed contact are simultaneously electric with multichannel DC-DC The power supply plus end electrical connection of source module, the negative output terminals of rechargable power supplies module and the confession of multichannel DC-DC power module Electric negative terminal electrical connection.
Cabinet bulk front end below the sensor digital display instrument can be installed with LED light post display instrument, and LED light post shows Instrument includes light beam instrument power supply terminal, light beam instrument signal input plus end and light beam instrument signal input negative terminal;LED light post display instrument Light beam instrument power supply terminal electrically connect with the second voltage lead-out terminal of multichannel DC-DC power module, sensor digital display instrument includes Isolation analogue signal positive output terminal and isolation analogue signal negative output terminal, isolation analogue signal positive output terminal and light beam instrument Signal input plus end is electrically connected, and isolation analogue signal negative output terminal is electrically connected with light beam instrument signal input negative terminal.
Cabinet bulk front end below the sensor digital display instrument can be installed with LED light post display instrument, and LED light post shows Instrument includes light beam instrument power supply terminal, light beam instrument signal input plus end and light beam instrument signal input negative terminal, sensor digital display instrument Signal output part can be electrically connected with the signal input part of LED light post display instrument by secondary signal isolating converter;Second letter Number isolating converter is I/V signal isolation transducers, secondary signal isolating converter include the second transducer power supply terminal, second Transducer signal input positive terminal, the second transducer signal input negative terminal, the second transducer signal output plus terminal and second Transducer signal exports the second voltage lead-out terminal of negative terminal, the second transducer power supply terminal and multichannel DC-DC power module Electrical connection, the isolation analogue signal positive output terminal of sensor digital display instrument are electrically connected with the second transducer signal input positive terminal, The isolation analogue signal negative output terminal of sensor digital display instrument is electrically connected with the second transducer signal input negative terminal, the second conversion Device signal output plus end is electrically connected with light beam instrument signal input plus end, and the second transducer signal exports negative terminal and light beam instrument Signal input negative terminal is electrically connected.
The cabinet bulk rear end of above-mentioned aviation socket left can be installed with dump energy display and dump energy shows Switch, the electricity output end of rechargable power supplies module are electric with the electrical input of dump energy display by dump energy display switch Connection.
Above-mentioned rechargable power supplies module may include Li-Ion rechargeable battery group, battery protection circuit and charging inlet;Lithium Ion charging set of cells and battery protection circuit are fixedly mounted on inside cabinet bulk, and cabinet bulk rear end lower left quarter is installed with Charging inlet, the lead-out terminal of charging inlet are electrically connected with the external power supply terminal of battery protection circuit, and lithium ion charges electric The power end of pond group is electrically connected with the battery terminal of battery protection circuit, and the electricity output end of rechargable power supplies module is protected for battery The electricity output end of protection circuit plate.
The cabinet bulk front end of the sensor digital display instrument right can be installed with charging indicator light and relay indicating light, fill Electric display lamp and relay indicating light are electrically connected with the charging signals outfan and working signal outfan of battery protection circuit respectively Connect.
The two of technical scheme are realized by following measures:It is a kind of to be surveyed using above-mentioned pressure transducer The portable pressure transducer test device of examination instrument, it is characterised in that including pressure transducer tester, hydraulic hand-pump, pressure Table, hydraulic quick coupling, fluid pressure line and sensor erection joint, the liquid outlet of hydraulic hand-pump by hydraulic quick coupling with The inlet of fluid pressure line is connected, and pressure gauge is provided with the liquid outlet of hydraulic hand-pump, solid on the liquid outlet of fluid pressure line Dingan County is equipped with sensor erection joint, and the installing port of sensor erection joint is provided with can be consolidated with pressure transducer to be tested Determine the sensor installation screw thread that screw thread is engaged.
Present configuration is reasonable and compact, easy to use, and which can realize pressure biography is completed rapidly and accurately before construction The detection of sensor, is processed in time to problematic pressure transducer, it is ensured that the good working state of pressure transducer, improves pressure The normal function rate of force transducer, with it is safe and reliable, laborsaving, easy, efficient the characteristics of.
Description of the drawings
Main structure diagram of the accompanying drawing 1 for the pressure transducer tester of the embodiment of the present invention 1.
Backsight structural representation of the accompanying drawing 2 for the pressure transducer tester in accompanying drawing 1.
Circuit diagram of the accompanying drawing 3 for the pressure transducer tester in accompanying drawing 1.
Coding in accompanying drawing is respectively:1 is cabinet bulk, and 2 is rechargable power supplies module, and 3 is multichannel DC-DC power module, 4 For sensor digital display instrument, 5 is the first aviation socket, and 6 is the second aviation socket, and 7 is the first sense light, and 8 is anti-misoperation Switch, 9 is the second sense light, and 10 is the first signal isolation transducer, and 11 is LED light post display instrument, and 12 is secondary signal Isolating converter, 13 is dump energy display, and 14 is dump energy display switch, and 15 is charging inlet, and 16 indicate to charge Lamp, 17 is relay indicating light, and 18 is the 3rd aviation socket, and K1 is the first normally opened contact, and K2 is the first normally-closed contact, K3 is second Normally opened contact, K4 be the second normally-closed contact, K5 be the 3rd normally opened contact, K6 be the 3rd normally-closed contact, K7 be the first stationary contact, K8 For the second stationary contact, K9 is the 3rd stationary contact, and P1 is the first movable contact spring, and P2 is the second movable contact spring, and P3 is the 3rd movable contact spring, and A is Power supply plus end, B are power supply negative terminal, and T1 is first voltage lead-out terminal, and T2 is second voltage lead-out terminal, and T3 is the 3rd electric Pressure lead-out terminal, N1 is digital display instrument power supply terminal, N2 is isolation power supply plus end, and to isolate power supply negative terminal, N4 is electric current to N3 Signal input plus end, N5 are current signal input negative terminal, and to isolate analogue signal positive output terminal, N7 is isolation simulation to N6 Signal negative output terminal, X1 are the first receptacle signal output plus terminal, and X2 is that the first receptacle signal exports negative terminal, and Y0 is second Socket power supply terminal, Y1 are the second receptacle signal output plus terminal, and Y2 is that the second receptacle signal exports negative terminal, and U0 is first turn Parallel operation power supply terminal, U1 are the first transducer signal input positive terminal, and U2 is the first transducer signal input negative terminal, and U3 is the One transducer signal output plus terminal, U4 are that the first transducer signal exports negative terminal, and W0 is light beam instrument power supply terminal, and W1 is light Post instrument signal input plus end, W2 are light beam instrument signal input negative terminal, and V0 is the second transducer power supply terminal, and V1 is second turn Parallel operation signal input plus end, V2 are the second transducer signal input negative terminal, and V3 is the second transducer signal output plus terminal, The second transducer signals of V4 export negative terminal.
Specific embodiment
The present invention is not limited by following embodiments, can technology according to the present invention scheme and practical situation determining specifically Embodiment.
In the present invention, for the ease of description, the description of the relative position relation of each part is according to Figure of description 1 Butut mode being described, such as:The position relationship of forward and backward, upper and lower, left and right etc. is the Butut according to Figure of description Direction is determining.
One of technical solution of the present invention is further described with reference to embodiment and accompanying drawing:
Embodiment 1:As shown in accompanying drawing 1,2, the pressure transducer tester include cabinet bulk 1, rechargable power supplies module 2, Multichannel DC-DC power module 3, sensor digital display instrument 4 and the aviation socket of pressure transducer terminals to be tested can be connected, can Charging power modules 2 and multichannel DC-DC power module 3 are fixedly mounted on inside cabinet bulk 1, and sensor digital display instrument 4 is fixedly mounted In the front end of cabinet bulk 1, aviation socket is fixedly mounted on the rear end of cabinet bulk 1, the electricity output end of rechargable power supplies module 2 with it is many The electrical input electrical connection of road DC-DC power module 3, electricity output end and the sensor digital display instrument 4 of multichannel DC-DC power module 3 Power supply terminal electrical connection, the signal input part of sensor digital display instrument 4 electrically connected with aviation socket.Surveyed by the pressure transducer Examination instrument can be powered to pressure transducer to be tested and be detected its signal output, and realization is completed rapidly and accurately pressure before construction The detection of force transducer, is processed in time to problematic pressure transducer, it is ensured that the good working state of pressure transducer, is improved The normal function rate of pressure transducer, so as to subsequently can directly pressure release sensor and check miscellaneous equipment, thus Greatly reduce the time for excluding instrument failure, hence it is evident that reduce the labor intensity of engineering staff, improve work efficiency, be drilling team Deviation prevention and fast provides high-quality guarantee.Being powered by rechargable power supplies module 2, it is portable to realize, using convenient.
According to actual needs above-mentioned pressure transducer tester can be made further optimization and/or improvements:
As shown in accompanying drawing 1,2,3, aviation socket includes the first aviation socket 5 and the second aviation socket 6, the first aviation socket 5 include the sub- X1 of the first receptacle signal output plus terminal and the first receptacle signal output negative terminal X2, and the second aviation socket 6 includes second Socket power supply terminal Y0, the sub- Y1 of the second receptacle signal output plus terminal and the second receptacle signal output negative terminal Y2;Before cabinet bulk 1 End right part is from top to bottom sequentially installed with the first sense light 7, anti-misoperation switch 8 and the second sense light 9, anti-error behaviour Making switch 8 includes the first normally opened contact K1, the first normally-closed contact K2, the second normally opened contact K3, the second normally-closed contact K4, the 3rd normal Open contact K5, the 3rd normally-closed contact K6, the first stationary contact K7, the second stationary contact K8, the 3rd stationary contact K9, the first movable contact spring P1, Second movable contact spring P2 and the 3rd movable contact spring P3, the first movable contact spring P1, the second movable contact spring P2 and the 3rd movable contact spring P3 relevant actions, often Under closed state, the first movable contact spring P1 makes the first stationary contact K7 and the first normally-closed contact K2 electrical connections, switching the first movable contact spring P1 of switch The first stationary contact K7 can be made to electrically connect with the first normally opened contact K1, under normally off the second movable contact spring P2 make the second stationary contact K8 and Second normally-closed contact K4 is electrically connected, and switching the second movable contact spring P2 of switch can make the second stationary contact K8 be electrically connected with the second normally opened contact K3 Connect, under normally off, the 3rd movable contact spring P3 moves the 3rd stationary contact K9 and the 3rd normally-closed contact K6 electrical connections, switching switch the 3rd Contact P3 can be such that the 3rd stationary contact K9 electrically connects with the 3rd normally opened contact K5;Multichannel DC-DC power module 3 includes plus end of powering A, power supply negative terminal B, first voltage lead-out terminal T1, second voltage lead-out terminal T2 and tertiary voltage lead-out terminal T3;Second Signal input part of the signal output part of aviation socket 6 by the first signal isolation transducer 10 with sensor digital display instrument 4 is electrically connected Connect, the first signal isolation transducer 10 is V/I signal isolation transducers, the first signal isolation transducer 10 includes the first transducer Power supply terminal U0, the sub- U1 of the first transducer signal input positive terminal, the sub- U2 of the first transducer signal input negative terminal, the first transducer letter Number sub- U3 of output plus terminal and the first transducer signal output negative terminal U4;Sensor digital display instrument 4 include digital display instrument power supply terminal N1, Isolation power supply plus end N2, isolation power supply negative terminal N3, the sub- N4 of the current signal input positive terminal and sub- N5 of current signal input negative terminal; Digital display instrument power supply terminal N1 is electrically connected with the first voltage lead-out terminal T1 of multichannel DC-DC power module 3, and the first receptacle signal is defeated Go out the plus end N2 electrical connections of powering of isolating of plus end X1 and sensor digital display instrument 4, the isolation of sensor digital display instrument 4 is powered negative terminal Sub- N3 N4s with current signal input positive terminal is electrically coupled in series, and the first receptacle signal output negative terminal X2 and the first normally opened contact K1 is electrically connected Connect;Second socket power supply terminal Y0 is electrically connected with the tertiary voltage lead-out terminal T3 of multichannel DC-DC power module 3, the second socket Signal output plus end Y1 U1s with the first transducer signal input positive terminal is electrically connected, the second receptacle signal output negative terminal Y2 with The sub- U2 electrical connections of first transducer signal input negative terminal, the sub- U3 of the first transducer signal output plus terminal and sensor digital display instrument 4 The sub- N4 electrical connections of current signal input positive terminal, the first transducer signal output negative terminal U4 are electrically connected with the first normally-closed contact K2; First stationary contact K7 is electrically connected with the sub- N5 of current signal input negative terminal of sensor digital display instrument 4, the second stationary contact K8 and multichannel DC- The earth terminal electrical connection of DC power module 3, the 3rd stationary contact K9 are electrically connected with the positive output terminals of rechargable power supplies module 2; The positive pole of the first sense light 7 is electrically connected with the second voltage lead-out terminal T2 of multichannel DC-DC power module 3, and second is normally opened Contact K3 is electrically connected with the negative pole of the first sense light 7, positive pole and the multichannel DC-DC power module 3 of the second sense light 9 Tertiary voltage lead-out terminal T3 electrical connections, the second normally-closed contact K4 electrically connected with the negative pole of the second sense light 9, and the 3rd is normal Contact K5 and the 3rd normally-closed contact K6 are opened while electrically connecting with the power supply plus end A of multichannel DC-DC power module 3, chargeable electricity The negative output terminals of source module 2 are electrically connected with the power supply negative terminal B of multichannel DC-DC power module 3.Anti-misoperation switch 8 is most It is good to switch to turn round son, the input of 8 switching signals is switched by anti-misoperation, and disconnects unwanted the first signal of voltage and current signal Isolating converter 10, connecting and transmitting needs the pressure sensor signal of work, can also switch display lamp in addition and close total Power supply, turns round sub- handle regulation control by pulling up and down, convenient.According to actual needs, can be in the first aviation socket 5 Electrically in parallel 3rd aviation socket 18 in two ends, the first aviation socket 5 are different from the hickey of the 3rd aviation socket 18, to install The pressure transducer of test distinct interface.First voltage lead-out terminal T1 is preferably 24V lead-out terminals, second voltage lead-out terminal T2 is preferably 5V lead-out terminals, and tertiary voltage lead-out terminal T3 is preferably 3.6V lead-out terminals.
As shown in accompanying drawing 1,2,1 front end of cabinet bulk below sensor digital display instrument 4 is installed with LED light post display instrument 11, LED light post display instrument 11 includes light beam instrument power supply terminal, light beam instrument signal input plus end and light beam instrument signal input negative terminal Son;The light beam instrument power supply terminal of LED light post display instrument 11 is electric with the second voltage lead-out terminal T2 of multichannel DC-DC power module 3 Connection, sensor digital display instrument 4 include isolating analogue signal positive output terminal N6 and isolation analogue signal negative output terminal N7, isolation Analogue signal positive output terminal N6 is electrically connected with light beam instrument signal input plus end, isolates analogue signal negative output terminal N7 and light Post instrument signal input negative terminal is electrically connected.If, from the specification that output signal is 4-20mA, which can for LED light post display instrument 11 The isolation simulation 4-20mA signals of the output of sensor digital display instrument 4 are directly received, can directly will be the signal of LED light post display instrument 11 defeated Enter end to electrically connect with the signal output part of sensor digital display instrument 4;Can intuitively show to be tested by LED light post display instrument 11 The signal output situation of pressure transducer, while the response speed of pressure transducer to be tested can be observed.Use rechargable power supplies Module 2 and multichannel DC-DC power module 3 give pressure transducer to be tested and sensor digital display instrument 4, the first signal isolation transducer 10 and LED light post display instrument 11 power, the voltage signal of the pressure transducer installed on the second aviation socket 6 is used into first then Signal isolation transducer 10 is converted into the standard current signal of 4-20mA, and 4~20mA is to represent zero-signal with 4mA, uses 20mA tables Show the full scale of signal, and being less than the signal that 4mA is higher than 20mA is used for the warning of various failures.Sensor digital display instrument 4 shows- 8Mpa is exactly open circuit, no electric current so display -8Mpa, so 4mA is exactly 0Mpa, 8mA be exactly 8Mpa, 12mA be exactly 16Mpa, 16mA is exactly 24Mpa, shows corresponding pressure value finally by core component sensor digital display instrument 4, so as to judge that sensor is It is no normal.
As shown in accompanying drawing 1,2,3,1 front end of cabinet bulk below sensor digital display instrument 4 is installed with LED light post display instrument 11, LED light post display instrument 11 includes light beam instrument power supply terminal W0, light beam instrument signal input plus end W1 and light beam instrument signal input Negative terminal W2, the signal output part of sensor digital display instrument 4 is by secondary signal isolating converter 12 and LED light post display instrument 11 Signal input part is electrically connected;Secondary signal isolating converter 12 be I/V signal isolation transducers, secondary signal isolating converter 12 Including the second transducer power supply terminal V0, the sub- V1 of the second transducer signal input positive terminal, the second transducer signal input negative terminal V2, the sub- V3 of the second transducer signal output plus terminal and the second transducer signal output negative terminal V4, the second transducer power supply terminal V0 is electrically connected with the second voltage lead-out terminal T2 of multichannel DC-DC power module 3, the isolation analogue signal of sensor digital display instrument 4 Positive output terminal N6 V1 with the second transducer signal input positive terminal is electrically connected, and the isolation analogue signal of sensor digital display instrument 4 is born Lead-out terminal N7 V2s with the second transducer signal input negative terminal is electrically connected, the sub- V3 of the second transducer signal output plus terminal and light beam Instrument signal input plus end W1 is electrically connected, and output negative terminal V4 and light beam instrument signal input negative terminal W2 is electric for the second transducer signal Connection.If LED light post display instrument 11 is from the specification of 0-10V, the isolation simulation 4-20mA signals of the output of sensor digital display instrument 4 Need to become 0-10V signals by secondary signal isolating converter 12, the signal for being available to LED light post display instrument 11 afterwards is defeated Enter end.
What the pressure transducer tester can be produced to apocalypse open-birth in the YL-5 types of the sea blue production in existing Beijing, Beijing The pressure transducer of three kinds of models such as LHE6028C types of 811-FMG/1110-03 types and the production of Beijing six directions detected with And failture evacuation, what the pressure transducer that wherein Beijing six directions is produced was given is I-WIRE protocol signals, and its signal is by U.S. letter The DS2431 chips of company MAXIM are converted by sensor voltage signal, because there is decryption, tester Circuit is simplified, reference is to spread the test that the voltage signal after silicon signal is exaggerated enters line sensor.Multichannel DC-DC power source In module 3, the 3.6V DC voltages that tertiary voltage lead-out terminal T3 is exported give six directions sensor power, first voltage lead-out terminal The 24V direct currents that T1 is exported are powered to sensor digital display instrument 4, and the 5V DC voltages that second voltage lead-out terminal T2 is exported are to the first letter Number isolating converter 10, secondary signal isolating converter 12 also have LED light post display instrument 11 to power.The pressure in sea blue and middle day is passed Sensor is the transmitter current signal of international standard 4-20ma, is directly gone here and there back by the 24V auxiliary power supplies of sensor digital display instrument 4 again The 4-20ma signal inputs of sensor digital display instrument 4 just can be with.The pressure transducer of the six directions is different, and it has a supply voltage 3.6-4.2V(The voltage range of lithium ion battery), also one signal output voltage is about 2.83V through testing full scale Left and right, the effect of the first signal isolation transducer 10 is exactly this 0.2V or so(0Mpa)- 2.83V or so(25Mpa)Voltage The current signal of the 4-20ma of corresponding, standard is converted into, sensing is supplied to by the anti-misoperation switch 8 of 1 front end of cabinet bulk Device digital display instrument 4.
In field operation, suspect that sometimes the abnormal instrument signal for causing of MWD sensor is abnormal, need to change pressure biography Whether sensor, with failure judgement as sensor causes, but during replacement operation, need termination of pumping and empty the mud side in standpipe Replaceable, if the pressure transducer changed is inherently problematic, it is bad to be, engineering staff will exclude sensor after replacing Reason, but changed this later, change that ground installation is normal, sensor typically just will be considered that it is to be broken, and be given up Abandon.But sometimes spread silicon formula pressure transducer be not it is non-well i.e. bad, due to spread silicon it is aging or circuit aging, pressure sensing There are one and half half bad states in device(Situation seldom, simply found one in the several sensors changed), sometimes It is that pressure is forbidden(Such case has substantially no effect on the use of MWD wireless drift indicators), sometimes response speed is slack-off(Such case User can feel that instrument is not in harmony, but have signal, and simply waveform is a bit strange, allow people to be difficult to judge, may suspect mud Slurry performance, or ground or the underground part of MWD instruments.)
As shown in accompanying drawing 1,2,3,1 rear end of cabinet bulk of aviation socket left is installed with 13 He of dump energy display Dump energy display switch 14, the electricity output end of rechargable power supplies module 2 pass through dump energy display switch 14 and dump energy The electrical input electrical connection of display 13.Dump energy display switch 14 is preferably push-button switch, presses dump energy and shows After switch 14, dump energy display 13 can show 2 remaining electricity of rechargable power supplies module, not show out by dump energy When closing 14, dump energy display 13 disconnects, and can save electric quantity consumption, using convenient.
As shown in accompanying drawing 1,2,3, rechargable power supplies module 2 include Li-Ion rechargeable battery group, battery protection circuit and Charging inlet 15;Li-Ion rechargeable battery group and battery protection circuit are fixedly mounted on inside cabinet bulk 1,1 rear end of cabinet bulk Lower left quarter is installed with charging inlet 15, the lead-out terminal of charging inlet 15 and the external power supply terminal of battery protection circuit Electrical connection, the power end of Li-Ion rechargeable battery group are electrically connected with the battery terminal of battery protection circuit, rechargable power supplies mould Electricity output end of the electricity output end of block 2 for battery protection circuit.Lithium ion can be charged by battery protection circuit electric Pond group carries out input overvoltage protection, input counnter attack protection, short-circuit protection, temperature protection, over-charging of battery Cross prevention, output overvoltage Protection, output overcurrent protection and over-charging of battery Cross prevention, so as to effectively extend the service life of Li-Ion rechargeable battery group.
As shown in accompanying drawing 1,2,3,1 front end of cabinet bulk of 4 right of sensor digital display instrument is installed with charging indicator light 16 With relay indicating light 17, charging indicator light 16 and relay indicating light 17 charging signals outfan respectively with battery protection circuit Electrically connect with working signal outfan.
Embodiment 2:The portable pressure transducer test device includes pressure transducer tester, hydraulic hand-pump, pressure Table, hydraulic quick coupling, fluid pressure line and sensor erection joint, the liquid outlet of hydraulic hand-pump by hydraulic quick coupling with The inlet of fluid pressure line is connected, and pressure gauge is provided with the liquid outlet of hydraulic hand-pump, solid on the liquid outlet of fluid pressure line Dingan County is equipped with sensor erection joint, and the installing port of sensor erection joint is provided with can be consolidated with pressure transducer to be tested Determine the sensor installation screw thread that screw thread is engaged.The Connecting line joint of pressure transducer to be tested is directly fixedly mounted on aviation socket Electrically connected above or with aviation socket by signal connecting line, pressure transducer to be tested installs the peace that is screwed by sensor It is mounted on sensor erection joint installing port, the internal circuit of pressure transducer is detected by pressure transducer tester, is passed through Hydraulic hand-pump suppresses the pressure of detection pressure transducer;The process is time saving and energy saving, convenient and efficient, reduces the safety in operation Hidden danger, so as to effectively save human and material resources, financial resources, mitigates labor intensity of the engineering staff in the operation, improves its work Efficiency, and then high-quality guarantee is provided for drilling team's deviation prevention and fast.
When actually used, when anti-misoperation switch 8 is pulled to centre position, instrument quits work, and turns round sub- handle and pulls upwards Dynamic, the first sense light 7 lights, it is adaptable to sea blue and middle day pressure transducer, turns round sub- handle and pulls downwards, and the second sensing refers to Show that lamp 9 lights, it is adaptable to six directions pressure transducer;Afterwards, on 1 rear end of correspondence cabinet bulk the first aviation socket 5, the second aviation Socket 6 or the 3rd aviation socket 18 connect the pressure transducer of dimension, for the middle day pressure sensing for coming with armored cassette Device, installs the connecting line of aviation plug by one end with alligator clamp one end, and aviation plug is accessed the first aviation socket 5, will Alligator clamp is connected on the binding post in armored cassette, can conveniently connect sensor, for sea blue pressure transducer The aviation plug of its terminals is arranged on into the 3rd aviation socket 18 directly, for six directions pressure transducer is directly connect The aviation plug of line end is arranged on the second aviation socket 6;If not connected sea blue or middle day pressure transducer, or sensing When device circuit disconnects, sensor digital display instrument 4 shows -6, connects but sensor digital display when pressure transducer does not bear fluid pressure Instrument 4 shows 0, and when pressure transducer has pressure, sensor digital display instrument 4 shows relevant pressure, and LED light post display instrument 11 is applied to existing Field detection pressure oscillation, turn on pump when being connected on standpipe, if down-hole MWD instruments are working properly, LED light post display instrument 11 can show Show corresponding regular pressure oscillation situation.
Above technical characteristic constitutes embodiments of the invention, and which has stronger adaptability and implementation result, can basis The non-essential technical characteristic of increase and decrease is actually needed, the demand of different situations is met.

Claims (6)

1. a kind of pressure transducer tester, it is characterised in that including cabinet bulk, rechargable power supplies module, multichannel DC-DC power source Module, sensor digital display instrument and the aviation socket of pressure transducer terminals to be tested can be connected, rechargable power supplies module and Multichannel DC-DC power module is fixedly mounted on inside cabinet bulk, and sensor digital display instrument is fixedly mounted on the front end of cabinet bulk, aviation Socket is fixedly mounted on the rear end of cabinet bulk, and the electricity output end of rechargable power supplies module is electric defeated with multichannel DC-DC power module Enter end electrical connection, the electricity output end of multichannel DC-DC power module is electrically connected with the power supply terminal of sensor digital display instrument, sensor number The signal input part of aobvious instrument is electrically connected with aviation socket;Wherein:Rechargable power supplies module includes Li-Ion rechargeable battery group, battery Protection circuit plate and charging inlet;Li-Ion rechargeable battery group and battery protection circuit are fixedly mounted on inside cabinet bulk, machine Box back lower left quarter is installed with charging inlet, the lead-out terminal of charging inlet and the external power supply of battery protection circuit Terminal is electrically connected, and the power end of Li-Ion rechargeable battery group is electrically connected with the battery terminal of battery protection circuit, chargeable electricity Electricity output end of the electricity output end of source module for battery protection circuit;Peace is fixed in the cabinet bulk front end of sensor digital display instrument right Equipped with charging indicator light and relay indicating light, charging indicator light and relay indicating light charging letter respectively with battery protection circuit Number outfan and the electrical connection of working signal outfan.
2. pressure transducer tester according to claim 1, it is characterised in that aviation socket includes the first aviation socket With the second aviation socket, the first aviation socket include the first receptacle signal output plus terminal and the first receptacle signal export negative terminal Son, the second aviation socket include the second socket power supply terminal, the second receptacle signal output plus terminal and the output of the second receptacle signal Negative terminal;The front end right part of cabinet bulk is from top to bottom sequentially installed with the first sense light, anti-misoperation switch and second and passes Sense display lamp, anti-misoperation switch include the first normally opened contact, the first normally-closed contact, the second normally opened contact, the second normally-closed contact, 3rd normally opened contact, the 3rd normally-closed contact, the first stationary contact, the second stationary contact, the 3rd stationary contact, the first movable contact spring, second move Contact and the 3rd movable contact spring, the first movable contact spring, the second movable contact spring and the 3rd movable contact spring relevant action, under normally off, first is dynamic tactile Piece makes the first stationary contact and the electrical connection of the first normally-closed contact, switching the first movable contact spring of switch that the first stationary contact can be made normally opened with first Contact electrically connects, and under normally off, the second movable contact spring makes the second stationary contact and the electrical connection of the second normally-closed contact, switching switch second Movable contact spring can be such that the second stationary contact electrically connects with the second normally opened contact, and under normally off, the 3rd movable contact spring makes the 3rd stationary contact and Three normally-closed contacts are electrically connected, and switching the 3rd movable contact spring of switch can be such that the 3rd stationary contact electrically connects with the 3rd normally opened contact;Multichannel DC- DC power module includes that power supply plus end, power supply negative terminal, first voltage lead-out terminal, second voltage lead-out terminal and the 3rd are electric Pressure lead-out terminal;The signal output part of the second aviation socket is by the first signal isolation transducer and the signal of sensor digital display instrument Input is electrically connected, and the first signal isolation transducer is V/I signal isolation transducers, and the first signal isolation transducer includes first Transducer power supply terminal, the first transducer signal input positive terminal, the first transducer signal input negative terminal, the first transducer letter Number output plus terminal and the first transducer signal export negative terminal;Sensor digital display instrument includes that digital display instrument power supply terminal, isolation are supplied Electric plus end, isolation are powered, and negative terminal, current signal input positive terminal are sub and current signal input negative terminal is sub;Digital display instrument power supply terminal Electrically connect with the first voltage lead-out terminal of multichannel DC-DC power module, the first receptacle signal output plus terminal with sensor number The isolation of aobvious instrument is powered plus end electrical connection, and the isolation of sensor digital display instrument is powered negative terminal and current signal input positive terminal son electricity Series connection, the first receptacle signal output negative terminal are electrically connected with the first normally opened contact;Second socket power supply terminal and multichannel DC-DC electricity The tertiary voltage lead-out terminal electrical connection of source module, the second receptacle signal output plus terminal and the first transducer signal input positive terminal Son electrical connection, the second receptacle signal are exported negative terminal and are electrically connected with the first transducer signal input negative terminal, the first transducer letter Number output plus terminal is electrically connected with current signal input positive terminal of sensor digital display instrument, and the first transducer signal exports negative terminal Electrically connect with the first normally-closed contact;First stationary contact is electrically connected with current signal input negative terminal of sensor digital display instrument, and second Stationary contact is electrically connected with the earth terminal of multichannel DC-DC power module, and the 3rd stationary contact is exported with the positive pole of rechargable power supplies module Terminal is electrically connected;The positive pole of the first sense light is electrically connected with the second voltage lead-out terminal of multichannel DC-DC power module, the Two normally opened contacts are electrically connected with the negative pole of the first sense light, positive pole and the multichannel DC-DC power source mould of the second sense light The tertiary voltage lead-out terminal electrical connection of block, the second normally-closed contact are electrically connected with the negative pole of the second sense light, and the 3rd is normally opened Contact and the 3rd normally-closed contact are electrically connected with the power supply plus end of multichannel DC-DC power module simultaneously, rechargable power supplies module Negative output terminals are electrically connected with the power supply negative terminal of multichannel DC-DC power module.
3. pressure transducer tester according to claim 2, it is characterised in that the cabinet bulk below sensor digital display instrument Front end is installed with LED light post display instrument, and LED light post display instrument is just including light beam instrument power supply terminal, light beam instrument signal input Terminal and light beam instrument signal input negative terminal;The light beam instrument power supply terminal of LED light post display instrument and multichannel DC-DC power module Second voltage lead-out terminal is electrically connected, and sensor digital display instrument includes that isolating analogue signal positive output terminal and isolation analogue signal bears Lead-out terminal, isolation analogue signal positive output terminal are electrically connected with light beam instrument signal input plus end, and isolation analogue signal is born defeated Go out terminal to electrically connect with light beam instrument signal input negative terminal.
4. pressure transducer tester according to claim 2, it is characterised in that the cabinet bulk below sensor digital display instrument Front end is installed with LED light post display instrument, and LED light post display instrument is just including light beam instrument power supply terminal, light beam instrument signal input Terminal and light beam instrument signal input negative terminal, the signal output part of sensor digital display instrument by secondary signal isolating converter with The signal input part electrical connection of LED light post display instrument;Secondary signal isolating converter is I/V signal isolation transducers, and second believes Number isolating converter includes that the second transducer power supply terminal, the second transducer signal input positive terminal, the second transducer signal are defeated Enter negative terminal, the second transducer signal output plus terminal and the second transducer signal output negative terminal, the second transducer feeder ear Son is electrically connected with the second voltage lead-out terminal of multichannel DC-DC power module, and the isolation analogue signal of sensor digital display instrument is just defeated Go out terminal and the second transducer signal input positive terminal electrically connect, the isolation analogue signal negative output terminal of sensor digital display instrument and The son electrical connection of second transducer signal input negative terminal, the second transducer signal output plus terminal and light beam instrument signal input plus end Electrical connection, the second transducer signal output negative terminal are electrically connected with light beam instrument signal input negative terminal.
5. the pressure transducer tester according to claim 1 or 2 or 3 or 4, it is characterised in that the machine of aviation socket left Box back is installed with dump energy display and dump energy display switch, and the electricity output end of rechargable power supplies module leads to The electrical input that dump energy display switch is crossed with dump energy display is electrically connected.
6. a kind of usage right requires the portable pressure transducer test of the pressure transducer tester described in 1 or 2 or 3 or 4 or 5 Device, it is characterised in that including pressure transducer tester, hydraulic hand-pump, pressure gauge, hydraulic quick coupling, fluid pressure line and Sensor erection joint, the liquid outlet of hydraulic hand-pump are connected with the inlet of fluid pressure line by hydraulic quick coupling, handss Pressure gauge is installed at the liquid outlet of hydrodynamic press pump, sensor erection joint on the liquid outlet of fluid pressure line, is installed with, is passed The installing port of sensor erection joint is provided with the sensor that can be engaged with the fixed screw thread of pressure transducer to be tested and is installed Screw thread.
CN201410604881.8A 2014-10-31 2014-10-31 Pressure transducer tester and portable pressure transducer test device Expired - Fee Related CN104316263B (en)

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CN106768531A (en) * 2017-03-29 2017-05-31 无锡永阳电子科技有限公司 A kind of simple pressure sensor test system
CN112824842B (en) * 2019-11-21 2023-06-16 浙江三花商用制冷有限公司 Acquisition circuit and pressure sensor classification method
CN112595523A (en) * 2020-11-23 2021-04-02 一汽解放汽车有限公司 PVT test system

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Address after: 736202 Dunhuang City, Gansu Province, the town of the District No. 4, building a drilling company in the western part of the drilling technology company

Applicant after: CNPC Xibu Drilling Engineering Company Limited

Address before: 834000 No. 98 Youyi Road, western the Xinjiang Uygur Autonomous Region, Qinghai drilling company, science and technology section, Karamay

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