CN204008841U - Multifunctional hand-held measuring battery instrument peculiar to vessel - Google Patents
Multifunctional hand-held measuring battery instrument peculiar to vessel Download PDFInfo
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- CN204008841U CN204008841U CN201420487290.2U CN201420487290U CN204008841U CN 204008841 U CN204008841 U CN 204008841U CN 201420487290 U CN201420487290 U CN 201420487290U CN 204008841 U CN204008841 U CN 204008841U
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- 238000005259 measurement Methods 0.000 claims abstract description 92
- 239000008151 electrolyte solution Substances 0.000 claims abstract description 34
- 239000000523 sample Substances 0.000 claims abstract description 26
- 238000012360 testing method Methods 0.000 claims abstract description 22
- 238000012546 transfer Methods 0.000 claims abstract description 21
- 230000005484 gravity Effects 0.000 claims abstract description 18
- 238000002604 ultrasonography Methods 0.000 claims description 20
- 230000003321 amplification Effects 0.000 claims description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 5
- 239000002253 acid Substances 0.000 abstract description 18
- 239000007788 liquid Substances 0.000 description 25
- 239000003792 electrolyte Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 210000000707 wrist Anatomy 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005008 domestic process Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000036581 peripheral resistance Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000013214 routine measurement Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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Abstract
Multifunctional hand-held measuring battery instrument peculiar to vessel, at least comprise voltage measurement module, infrared measurement of temperature module, specific gravity test module and measuring chamber, voltage measurement module consists of the horizontal handle of voltage measurement, adjustable contact probe, tension measuring circuit, and two adjustable contact probe adjustable grounds are arranged on the both ends of the horizontal handle of voltage measurement; Infrared measurement of temperature module is arranged on the horizontal handle of voltage measurement; Specific gravity test module is by electrolytic solution pipettor, ultrasonic measurement proportion the electric circuit constitute, electrolytic solution pipettor is comprised of rubber bulb pump and transfer pipet, one end of transfer pipet communicates with rubber bulb pump, the other end stretches in electrolytic solution through measuring chamber and voltage measurement Heng Bing center successively, and transmitting transducer, the receiving transducer of ultrasonic measurement proportion circuit is arranged on transfer pipet in measuring chamber upper and lower two ends longitudinally.The utility model can disposable Ship lead-acid battery voltage, temperature, three index measurements of proportion of completing of single one hand, lightweight, measuring accuracy is high.
Description
Technical field
The utility model relates to a kind of Multifunctional hand-held measuring battery instrument peculiar to vessel, for lead acid storage battery cell voltage, temperature, three indexs of proportion for boats and ships, carries out composite measurement.
Background technology
Lead-acid accumulator is because the many merits such as it is with low cost, the high-power performance of good, the large capacity of security is good, uniformity consistency is good are in occupation of industrial battery half of the country.Lead-acid accumulator is to discharging and recharging strict requirement, the operation and maintenance of lead-acid accumulator is installed to automatic monitoring system except needs and follow the tracks of every battery tension, temperature, three indexs of proportion, also need manually to every battery monitoring simultaneously.Boats and ships lead-acid accumulator is the accumulator system of power, its quantity is huge, conventionally in floating charging state, in floating charging process with having acid mist and hydrogen to separate out, produce inflammable, explosive, corrosive gas, contaminated environment or have explosion danger, there is certain risk, particularly Ship lead-acid battery in surveying work, because its quantity is huge, installation environment narrow space, makes the routine measurement work of accumulator very difficult, and measurement and manual maintenance instrument have been proposed to requirements at the higher level.
The at present domestic methods such as multimeter, mercury thermometer, measuring cup range estimation that adopt for battery voltage measuring, measure lead acid storage battery cell voltage, temperature, three indexs of proportion respectively; For accumulator specific gravity test, the D-130N type densitometer of technology development that Japan is existing to be adopted " vibration tubular type density sensing ", and the specific gravity test technology of Japan only can be measured index of proportion.There is no both at home and abroad at present a integrate lead acid storage battery cell voltage, temperature, three index measurements of proportion and possess acid-proof, explosion-proof survey instrument comes out.
Summary of the invention
The technical problems to be solved in the utility model is, for lead acid storage battery cell voltage, temperature, specific gravity test work above shortcomings for spot ship, a kind of Multifunctional hand-held measuring battery instrument peculiar to vessel is provided, can single, singlehanded, disposablely completes Ship lead-acid battery voltage, temperature, three index measurements of proportion.
The utility model is to solve the problems of the technologies described above adopted technical scheme to be:
Multifunctional hand-held measuring battery instrument peculiar to vessel, at least comprise voltage measurement module, infrared measurement of temperature module and measuring chamber, described voltage measurement module is by the horizontal handle of voltage measurement, adjustable contact probe, tension measuring circuit forms, described adjustable contact probe comprises two, adjustable ground is arranged on the both ends of the horizontal handle of voltage measurement respectively, described measuring chamber is fixed on the horizontal handle of voltage measurement top, described tension measuring circuit is arranged in measuring chamber, tension measuring circuit is connected with two adjustable contact probes, the voltage signal detecting for obtaining adjustable contact probe, described infrared measurement of temperature module is arranged on the horizontal handle of described voltage measurement.
Press such scheme, described adjustable contact probe coordinates with bolt and is arranged on the horizontal handle of voltage measurement by being opened in the strip hole at the horizontal handle of voltage measurement both ends.
Press such scheme, described infrared measurement of temperature module adopts the MLX90614 infrared temperature instrument of Melexis company.
Press such scheme, this measuring instrument also comprises specific gravity test module, described specific gravity test module is by electrolytic solution pipettor, ultrasonic measurement proportion the electric circuit constitute, described electrolytic solution pipettor is comprised of rubber bulb pump and transfer pipet, described rubber bulb pump is arranged on measuring chamber top, one end of described transfer pipet communicates with rubber bulb pump, and the other end of transfer pipet stretches in electrolytic solution through measuring chamber and voltage measurement Heng Bing center successively; Described ultrasonic measurement proportion circuit is comprised of transmitting transducer, receiving transducer, ultrasonic transmit circuit, ultrasound wave receiving circuit and single-chip microcomputer, described transmitting transducer, receiving transducer are arranged on transfer pipet in measuring chamber upper and lower two ends longitudinally, transmitting transducer is connected with ultrasonic transmit circuit by drive wire, and receiving transducer accesses single-chip microcomputer after being connected with ultrasound wave receiving circuit by signal wire again.
Press such scheme, described ultrasonic transmit circuit adopts the square-wave pulse of 1MHz to drive transmitting transducer.
Press such scheme, described ultrasound wave receiving circuit is composed in series successively by pre-amplification circuit, bandwidth-limited circuit, comparison shaping circuit, for the pulse signal that receiving transducer is received, after amplification, filtering, shaping, is sent in single-chip microcomputer.
Press such scheme, described single-chip microcomputer is selected Silab C8051F340 device.
Principle of work of the present utility model:
1, voltage measurement: test man only needs to hold measuring instrument, the adjustable contact probe of voltage measurement module front end is adjusted to and accumulator the two poles of the earth consistent size, clamping accumulator the two poles of the earth, by the tension measuring circuit being connected with two adjustable contact probes, realize battery voltage measuring again, adjustable contact probe designs is the battery voltage measuring demand that width is adjustable, meet different specification size;
2, temperature survey: by being integrated in the infrared measurement of temperature module on the horizontal handle of voltage measurement, adopt the medial temperature of temperature compensation, alignment technique Measurement accuracy electrolytic solution, infrared measurement of temperature module is provided with red some deixis, realize when accurately locating electrolytic solution to be measured, do not contact electrolytic solution, the risk of having avoided electrolytic solution to spill;
3, specific gravity test: move liquid and ultrasound proportion circuit by electrolytic solution and realize and move liquid-measurement integrated design, complete battery liquid specific gravity test, electrolytic solution pipettor is drawn a small amount of battery liquid to measuring chamber by rubber bulb pump and transfer pipet, transfer pipet in measuring chamber longitudinally upper and lower two ends arranges transmitting transducer, receiving transducer, guarantee battery liquid submergence transmitting transducer, receiving transducer, transmitting transducer, receiving transducer is drawn drive wire and signal wire by wire, be connected with other unit of ultrasound proportion circuit, then by ultrasound proportion circuit, the density of battery liquid is measured: the speed of the ultrasonic propagation in liquid is the function of liquid volume elastic modulus and density, be hyperacoustic speed v along with fluid density or bulk modulus and become, certainly be just also the density p of liquid, the function of pressure P and temperature T, be v=f(ρ, P, T).The pressure variation of considering electrolytic solution is very little, and pressure is also very little on the impact of the velocity of sound, pressure P can be ignored, and only consider the impact of electrolyte temperature T on hyperacoustic speed v, be i.e. v=f(ρ, T).By hyperacoustic speed v, electrolyte temperature T, obtain density of electrolyte ρ, and then obtain the rate of specific gravity of electrolytic solution.After measurement finishes, by rubber bulb pump, discharge battery liquid, complete battery liquid specific gravity test.In view of battery liquid is sulfuric acid, transfer pipet adopts anticorrosive plastic material, and transmitting transducer, receiving transducer and wire thereof are fixed with Teflon material seal.
The beneficial effects of the utility model are:
1, in view of current Ship lead-acid battery monoblock battery, voltage measurement still adopts multimeter, and the red-black test pencil of multimeter needs tester's both hands respectively to hold, and table body can only arbitrarily be placed on and safeguards on flatcar, and battery bay environment is severe, and the method is measured inconvenience; Voltage measurement module of the present utility model adopts adjustable contact probe clamping accumulator the two poles of the earth of original creation to realize battery voltage measuring, and adjustable contact probe designs is the battery voltage measuring demand that width is adjustable, meet different specification size;
2, in view of current Ship lead-acid battery electrolyte temperature, measure and still adopt traditional mercury thermometer, the method that plug-in type is measured, the measuring method of this pure physics exists response speed slow, thermometer exists electrolytic solution (sulfuric acid) to spill while extracting out, the harm such as injury human body, reduction storage battery insulating; The utility model is integrated infrared measurement of temperature module on the horizontal handle of measuring instrument voltage measurement, in the situation that not contacting electrolytic solution, complete battery liquid temperature survey, and be provided with red some deixis, realize when accurately locating electrolytic solution to be measured, do not contact electrolytic solution, the risk of having avoided electrolytic solution to spill;
3, in view of current Ship lead-acid battery electrolyte density, measure and still adopt artificial suction ball absorption, measuring cup to measure, visual inspection detection means is complicated, measuring accuracy is low, personal error is large, and manually refund tested electrolytic solution time easily spill, the electrolytic solution spilling is attached to accumulator surface, reduced storage battery insulating performance, had certain potential safety hazard, if liquid is splashed into human body skin, eyes can cause serious injury; The utility model is integrated in measuring chamber inside by ultrasound transmitting transducer, receiving transducer, realizes and moves liquid-measurement integrated design, completes battery liquid specific gravity test, and measuring accuracy is high, safe and reliable;
4, take into full account the inconvenience that the acid mist that produces in boats and ships accumulator cabin narrow space, battery charging process and hydrogen bring surveying work, battery tension, electrolyte temperature, electrolyte density measuring set are become one, the design of measuring instrument handheld structure, each test point position of reasonable disposition, make measuring instrument can realize one-handed performance, one step completes three index measurement work of accumulator, and whole measuring instrument is lightweight, anticorrosion, explosion-proof, simple to operate, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model Multifunctional hand-held measuring battery peculiar to vessel instrument;
Fig. 2 is the structural representation of the utility model voltage measurement module;
Fig. 3 is the structural representation of tension measuring circuit in Fig. 2;
Fig. 4 is the structural representation of the utility model infrared measurement of temperature module;
Fig. 5 is the fundamental diagram of the ultrasonic measurement proportion circuit of the utility model specific gravity test module;
Fig. 6 is the structural representation of ultrasonic transmit circuit in Fig. 5;
Fig. 7 is the structural representation of the pre-amplification circuit of ultrasound wave receiving circuit in Fig. 5;
Fig. 8 is the structural representation of the bandwidth-limited circuit of ultrasound wave receiving circuit in Fig. 5;
Fig. 9 is the structural representation of the comparison shaping circuit of ultrasound wave receiving circuit in Fig. 5;
In figure, the horizontal handle of 11-voltage measurement, the adjustable contact probe of 12-, 2-infrared measurement of temperature module, 31-rubber bulb pump, 32-measuring chamber, 33-transfer pipet.
Embodiment
Below in conjunction with drawings and Examples, the utility model is elaborated.
Shown in Fig. 1 ~ Fig. 4, Multifunctional hand-held measuring battery instrument peculiar to vessel described in the utility model, at least comprise voltage measurement module, infrared measurement of temperature module and measuring chamber, described voltage measurement module is by the horizontal handle 11 of voltage measurement, adjustable contact probe 12, tension measuring circuit forms, described adjustable contact probe 12 comprises two, adjustable ground is arranged on the both ends of the horizontal handle 11 of voltage measurement respectively, described measuring chamber 32 is fixed on the horizontal handle of voltage measurement 11 tops, described tension measuring circuit is arranged in measuring chamber 32, tension measuring circuit is connected by wire with two adjustable contact probes 12, voltage signal (adjustable contact probe 12 touching accumulator the two poles of the earth of detecting for obtaining adjustable contact probe 12, tension measuring circuit is measured battery tension value), described infrared measurement of temperature module 2 is arranged on the horizontal handle 11 of described voltage measurement.
As shown in Figure 2, described adjustable contact probe 2 coordinates with bolt and is arranged on the horizontal handle 11 of voltage measurement by being opened in the strip hole at the horizontal handle of voltage measurement 11 both ends, the width of adjustable contact probe 12 is adjustable, is applicable to accumulator the two poles of the earth that different size is measured in clamping.
As shown in Figure 4, described infrared measurement of temperature module 2 adopts the MLX90614 infrared temperature instrument (being with red some deixis) of Melexis company, this infrared thermometer has non-contacting handling characteristics, by an infrared ray sensor and customization Signal Regulation chipset are combined in to a tank type (TO-can) encapsulation, realization provides temperature digital reading function and the red some deixis of remote objects through fully calibration, this infrared temperature instrument allows the super large working range of-40 ℃～125 ℃, and the Extended Object temperature range of-70 ℃ to 380 ℃, have ± the high absolute accuracy of 0.5 ℃, measuring accuracy is higher than conventional temperature meter, meet battery liquid measuring accuracy demand.
This measuring instrument also comprises specific gravity test module, described specific gravity test module is by electrolytic solution pipettor, ultrasonic measurement proportion the electric circuit constitute, described electrolytic solution pipettor is comprised of rubber bulb pump 31 and transfer pipet 33, described rubber bulb pump 31 is arranged on measuring chamber 32 tops, one end of described transfer pipet 33 communicates with rubber bulb pump 31, and the other end of transfer pipet 33 stretches in electrolytic solution through measuring chamber 32 and the horizontal Bing11 of voltage measurement center successively; Shown in Fig. 5, described ultrasonic measurement proportion circuit is comprised of transmitting transducer, receiving transducer, ultrasonic transmit circuit, ultrasound wave receiving circuit and single-chip microcomputer, described transmitting transducer, receiving transducer are arranged on transfer pipet 33 in measuring chamber 32 upper and lower two ends longitudinally, transmitting transducer is connected with ultrasonic transmit circuit by drive wire, and receiving transducer accesses single-chip microcomputer after being connected with ultrasound wave receiving circuit by signal wire again.
Shown in Fig. 6, described ultrasonic transmit circuit adopts the square-wave pulse of 1MHz to drive transmitting transducer.
Described ultrasound wave receiving circuit is composed in series successively by pre-amplification circuit, bandwidth-limited circuit, comparison shaping circuit, for the pulse signal that receiving transducer is received, after amplification, filtering, shaping, is sent in single-chip microcomputer.Shown in Fig. 7, pre-amplification circuit adopts double operational high-gain instrumentation amplifier circuit, shown in Fig. 8, what bandwidth-limited circuit was selected is 2 more conventional second order voltage controlled voltage source bandwidth-limited circuit cascades, and it consists of operational amplifier OPA2345 and some peripheral resistance capacitances, for filtering high and low frequency noise signal, through after aforementioned amplification filtering, the electric signal that ultrasound wave produces is difficult for processing from one, faint, containing noisy signal, become a more regular sinusoidal signal, but this sinusoidal signal still can not be sent single-chip microcomputer to and process, therefore after, add again one with reference to the comparison shaping circuit shown in Fig. 9, relatively shaping circuit is by sinusoidal signal and some fixing magnitude of voltage comparisons of input, produce a very regular square-wave signal, utilize the negative edge of square-wave signal to trigger the external interrupt of single-chip microcomputer, oneself receives notice single-chip microcomputer ultrasonic signal, can stop counter and start to calculate the propagation distance of ultrasound wave in liquid.
Described single-chip microcomputer is selected Silab C8051F340 device, and the tension measuring circuit of described voltage measurement module adopts the AD converter of the built-in 10～12bit of single-chip microcomputer, speed 100～200ksps, and the electrical block diagram of voltage measurement module is as shown in Figure 3.
The utility model adopts many pipettors of using in medical treatment and chemical industry, the instrument of drawing as electrolytic solution, in the use procedure of electrolytic solution pipettor, the transfer pipet 33 of its front end inserts in battery liquid, transfer pipet 33 parts are transformed into measuring chamber 32, measuring chamber arranges respectively transmitting transducer and receiving transducer in two ends Shang Xia 32, utilize the rubber bulb pump 31 of measuring chamber 32 tops that battery liquid is drawn to measuring chamber 32, and guarantee the battery liquid submergence measuring chamber transmitting transducer that Shang Xia 32, two ends arrange, receiving transducer, transmitting transducer, receiving transducer is drawn drive wire and signal wire by wire, be connected with other unit of ultrasound proportion circuit, then by ultrasound proportion circuit, the density of battery liquid is measured, after measurement finishes, by rubber bulb pump 31, discharge battery liquid and (adopt split mode, battery liquid Extraction parts partly separates with proportion circuit measuring, whole process no liquid spills risk), complete battery liquid specific gravity test.When measuring battery liquid proportion, infrared measurement of temperature module 2 on the horizontal handle 11 of voltage measurement of measuring instrument will complete electrolyte temperature surveying work simultaneously, infrared measurement of temperature module 2 adopts the MLX90614 infrared temperature instrument (being with red some deixis) of Melexis company, medial temperature by temperature compensation, correction Measurement accuracy electrolytic solution in the situation that not contacting electrolytic solution, completes electrolyte temperature and measures.Meanwhile, adjustable contact probe 12 touching accumulator the two poles of the earth of voltage measurement module, on the single-chip microcomputer of measuring chamber 32 inside, integrated tension measuring circuit (AD converter) is measured rapidly this piece battery tension value.Voltage, temperature, three index measurements of proportion are complete, Multifunctional hand-held measuring battery instrument peculiar to vessel shows measurement parameter to measuring on main frame, measure main frame with reference to wrist portable equipment design, by Nylon Bag, tie up the wrist user, after three index measurement value stabilizations, when discharging tested electrolytic solution, complete measurement data storage.Singlehanded like this, step can complete whole measurement, and whole process is without extracting electrolytic solution out, therefore without electrolytic solution, spills risk.
The utility model is for the severe problem of Ship lead-acid battery measurement environment, in conjunction with Ship lead-acid battery cabin actual environment, under the test condition of narrow space, battery tension, electrolyte temperature, electrolyte density measuring set are become one, each test point position of reasonable disposition, make measuring instrument can realize one-handed performance, one step completes three index measurement work of accumulator, and the measurement data of monolithic accumulator is stored in single-chip microcomputer, after measurement, data are conducted to computer as measured in main frame.
Above-described is only preferred embodiment of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalence of therefore doing according to the utility model claim changes, and still belongs to protection domain of the present utility model.
Claims (7)
1. Multifunctional hand-held measuring battery instrument peculiar to vessel, it is characterized in that: at least comprise voltage measurement module, infrared measurement of temperature module and measuring chamber, described voltage measurement module is by the horizontal handle of voltage measurement, adjustable contact probe, tension measuring circuit forms, described adjustable contact probe comprises two, adjustable ground is arranged on the both ends of the horizontal handle of voltage measurement respectively, described measuring chamber is fixed on the horizontal handle of voltage measurement top, described tension measuring circuit is arranged in measuring chamber, tension measuring circuit is connected with two adjustable contact probes, the voltage signal detecting for obtaining adjustable contact probe, described infrared measurement of temperature module is arranged on the horizontal handle of described voltage measurement.
2. Multifunctional hand-held measuring battery instrument peculiar to vessel according to claim 1, is characterized in that: described adjustable contact probe coordinates with bolt and is arranged on the horizontal handle of voltage measurement by being opened in the strip hole at the horizontal handle of voltage measurement both ends.
3. Multifunctional hand-held measuring battery instrument peculiar to vessel according to claim 1, is characterized in that: described infrared measurement of temperature module adopts the MLX90614 infrared temperature instrument of Melexis company.
4. Multifunctional hand-held measuring battery instrument peculiar to vessel according to claim 1, it is characterized in that: this measuring instrument also comprises specific gravity test module, described specific gravity test module is by electrolytic solution pipettor, ultrasonic measurement proportion the electric circuit constitute, described electrolytic solution pipettor is comprised of rubber bulb pump and transfer pipet, described rubber bulb pump is arranged on measuring chamber top, one end of described transfer pipet communicates with rubber bulb pump, and the other end of transfer pipet stretches in electrolytic solution through measuring chamber and voltage measurement Heng Bing center successively; Described ultrasonic measurement proportion circuit is comprised of transmitting transducer, receiving transducer, ultrasonic transmit circuit, ultrasound wave receiving circuit and single-chip microcomputer, described transmitting transducer, receiving transducer are arranged on transfer pipet in measuring chamber upper and lower two ends longitudinally, transmitting transducer is connected with ultrasonic transmit circuit by drive wire, and receiving transducer accesses single-chip microcomputer after being connected with ultrasound wave receiving circuit by signal wire again.
5. Multifunctional hand-held measuring battery instrument peculiar to vessel according to claim 4, is characterized in that: described ultrasonic transmit circuit adopts the square-wave pulse of 1MHz to drive transmitting transducer.
6. Multifunctional hand-held measuring battery instrument peculiar to vessel according to claim 4, it is characterized in that: described ultrasound wave receiving circuit is composed in series successively by pre-amplification circuit, bandwidth-limited circuit, comparison shaping circuit, for the pulse signal that receiving transducer is received, after amplification, filtering, shaping, be sent in single-chip microcomputer.
7. Multifunctional hand-held measuring battery instrument peculiar to vessel according to claim 4, is characterized in that: described single-chip microcomputer is selected Silab C8051F340 device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420487290.2U CN204008841U (en) | 2014-08-27 | 2014-08-27 | Multifunctional hand-held measuring battery instrument peculiar to vessel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420487290.2U CN204008841U (en) | 2014-08-27 | 2014-08-27 | Multifunctional hand-held measuring battery instrument peculiar to vessel |
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| Publication Number | Publication Date |
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| CN204008841U true CN204008841U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420487290.2U Expired - Lifetime CN204008841U (en) | 2014-08-27 | 2014-08-27 | Multifunctional hand-held measuring battery instrument peculiar to vessel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291083A (en) * | 2016-10-08 | 2017-01-04 | 国家电网公司 | Portable protection pressing plate voltage check device |
-
2014
- 2014-08-27 CN CN201420487290.2U patent/CN204008841U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291083A (en) * | 2016-10-08 | 2017-01-04 | 国家电网公司 | Portable protection pressing plate voltage check device |
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| CX01 | Expiry of patent term |