CN211528601U - Experimental equipment for liquid discharge characteristics - Google Patents
Experimental equipment for liquid discharge characteristics Download PDFInfo
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- CN211528601U CN211528601U CN201921791860.6U CN201921791860U CN211528601U CN 211528601 U CN211528601 U CN 211528601U CN 201921791860 U CN201921791860 U CN 201921791860U CN 211528601 U CN211528601 U CN 211528601U
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- 239000007788 liquid Substances 0.000 title claims abstract description 141
- 238000002474 experimental method Methods 0.000 claims abstract description 59
- 238000002347 injection Methods 0.000 claims abstract description 35
- 239000007924 injection Substances 0.000 claims abstract description 35
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 230000002706 hydrostatic effect Effects 0.000 claims abstract description 16
- 230000009466 transformation Effects 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000001914 filtration Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 19
- 230000008859 change Effects 0.000 description 7
- 238000011160 research Methods 0.000 description 6
- 239000000523 sample Substances 0.000 description 5
- 238000005070 sampling Methods 0.000 description 5
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- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000004445 quantitative analysis Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
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- 238000007514 turning Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of liquid discharge, and discloses an experimental facility of liquid discharge characteristics, which comprises a voltage transformation device, an upper electrode, a lower electrode, an experimental box body, a liquid injection box, a vacuum machine, a voltage detection device and a current detection device; the upper electrode and the lower electrode are arranged in an inner cavity of the experimental box body, the voltage transformation device is connected with the upper electrode, the lower electrode is a grounding electrode, the voltage detection device is connected between the upper electrode and the lower electrode, and the current detection device is connected with the lower electrode; the liquid injection box is communicated with the experimental box body, and the vacuum machine is communicated with the liquid injection box. Go up and carry out the experiment of discharging in the liquid that awaits measuring between electrode and the bottom electrode, obtain the discharge characteristic of the liquid that awaits measuring through voltage detection device and current detection device, in carrying out the discharge characteristic experiment, accessible vacuum machine is bled and is added the air to annotating the liquid case, changes the hydrostatic pressure characteristic of liquid fast, realizes the experimental study to the liquid discharge characteristic under the different hydrostatic pressure levels.
Description
Technical Field
The utility model relates to a liquid technical field that discharges especially relates to a liquid discharge characteristic's experimental facilities.
Background
The liquid electricity effect is a general term for physical effects such as heat, light, force, sound, etc. accompanied by high-speed capability conversion in the case of high-voltage and large-current pulse discharge in a liquid medium. The liquid electric effect is widely applied to industries such as machining and manufacturing, electric pulse cleaning, extracorporeal lithotripsy, underwater sonar equipment manufacturing and the like. Because the generation of the electrohydraulic effect by utilizing the discharge technology in liquid (such as water) has the advantages of environmental friendliness, high efficiency, low cost and the like, the research on the discharge characteristics in water and the application thereof are receiving more and more attention.
The discharge process in the liquid is a complex physical and chemical process. For experimental study of discharge characteristics in liquid, many factors influencing discharge in liquid mainly include charging voltage, liquid conductivity, electrode gap distance, hydrostatic pressure and the like, and control variables of the factors are needed to carry out comparative experimental study.
At present, experimental research devices for liquid discharge are various, liquid discharge is high-voltage and high-current discharge and needs to be carried out in a closed environment, application insulation design needs to be considered in the design of the experimental device, and the current device can basically meet experimental requirements for experimental factors which are easy to adjust outside the experimental device, such as changes of charging voltage, energy storage capacitance and other factors. However, under the condition that factors such as liquid hydrostatic pressure and the like need to be changed in the device, the existing experimental device has the defects of complex operation and inaccurate variable control, and influences the accurate quantitative analysis of various influencing factors.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: how to achieve internal experimental conditions that rapidly change the hydrostatic pressure of the liquid.
In order to solve the technical problem, the utility model provides an experimental facilities of liquid discharge characteristic, including potential device, top electrode, bottom electrode, the experiment box that is used for splendid attire liquid, the notes liquid case that is used for adding liquid, the vacuum machine that is used for changing liquid hydrostatic pressure characteristic, be used for detecting the top electrode with voltage detection device of voltage when the bottom electrode discharges and be used for detecting the top electrode with current detection device of current when the bottom electrode discharges;
the upper electrode and the lower electrode are arranged in an inner cavity of the experiment box body, the voltage transformation device is connected with the upper electrode, the lower electrode is a grounding electrode, the upper electrode and the lower electrode are oppositely arranged to form a discharge space, the voltage detection device is connected between the upper electrode and the lower electrode, and the current detection device is connected with the lower electrode;
the liquid injection box is communicated with the experiment box body and is positioned above the experiment box body, and the vacuum machine is communicated with the liquid injection box body.
Preferably, a first control valve is arranged between the liquid injection tank and the experiment tank body.
As a preferable scheme, the experimental equipment further comprises a filter and a water pump, wherein the input end of the filter is communicated with the bottom of the experimental box body through the water pump, the output end of the filter is communicated with the liquid injection box, a second control valve is arranged between the water pump and the experimental box body, and a third control valve is arranged between the output end of the filter and the liquid injection box body, so that the experimental box body, the liquid injection box, the filter and the water pump form a filtering loop.
Preferably, the experimental facility further comprises heaters, temperature sensors and a temperature control device, the heaters are arranged on the left side and the right side of the inner cavity of the experimental box body, the temperature sensors are arranged on the heaters, and the heaters and the temperature sensors are respectively connected with the temperature control device.
Preferably, the heater is wound with insulating paper on the outer side.
Preferably, the lower electrode is provided with a lifting adjusting mechanism, the lifting adjusting mechanism comprises a driving piece, a screw rod and a nut seat, the power output end of the driving piece is connected with the screw rod, the nut seat is in threaded connection with the screw rod, and the lower electrode is arranged on the nut seat.
As a preferred scheme, the bottom of the experiment box body is provided with a plurality of adapters which are externally connected with measuring instruments, the input ends of the adapters are communicated with the bottom of the experiment box body, the output ends of the adapters are communicated with the top of the experiment box body, the input ends of the adapters are provided with corresponding fourth control valves, the output ends of the adapters are gathered in the same liquid path, and the same liquid path is provided with a fifth control valve.
As a preferred scheme, the experiment box body is provided with an air dissolving device and an air bottle, the input end of the air dissolving device and the output end of the air dissolving device are respectively communicated with the experiment box body, the input end of the air dissolving device is provided with a sixth control valve, the output end of the air dissolving device is provided with a seventh control valve, the air bottle is communicated with the air inlet of the air dissolving device, and the air inlet of the air dissolving device is provided with an eighth control valve.
Preferably, a breather for filtering air moisture is arranged between the vacuum machine and the liquid injection tank, and a ninth control valve is arranged at an output end of the breather.
As the preferred scheme, the side of experiment box is equipped with detachable observation window.
The embodiment of the utility model provides a liquid discharge characteristic's experimental facilities compares with prior art, and its beneficial effect lies in:
in the embodiment of the utility model, the liquid with the well-adjusted conductivity is injected into the experimental box body through the liquid injection box, the voltage transformation device is used for providing a voltage transformation power supply for the upper electrode and the lower electrode so as to enable a discharge experiment to be carried out between the upper electrode and the lower electrode in the liquid to be tested, the discharge voltage value and the waveform are obtained by the voltage detection device, the discharge current value and the waveform are obtained by the current detection device, so that the discharge characteristic of the liquid to be detected is obtained, in the discharge characteristic test, the vacuum machine can be used for pumping and aerating the liquid injection tank, the gas acts on the surface of the liquid to quickly change the hydrostatic pressure characteristic of the liquid, the experimental research on the discharge characteristic of the liquid under different hydrostatic pressure levels is realized, the experimental operation is simplified, and the internal experimental conditions can be changed rapidly, and the influence characteristics of all factors can be analyzed more accurately and quantitatively.
Drawings
Fig. 1 is a schematic perspective view of an experimental apparatus for liquid discharge characteristics according to a preferred embodiment of the present invention.
In the figure: 1. a voltage transformation device; 2. an upper electrode; 3. a lower electrode; 4. an experiment box body; 5. a liquid injection tank; 6. a vacuum machine; 7. a first control valve; 8. a filter; 9. a water pump; 10. a second control valve; 11. a third control valve; 12. a heater; 13. a temperature sensor; 14. a temperature control device; 15. a lifting adjusting mechanism; 16. an adapter; 17. a fourth control valve; 18. a fifth control valve; 19. a gas dissolving device; 20. a gas cylinder; 21. a sixth control valve; 22. a seventh control valve; 23. an eighth control valve; 24. a respirator; 25. a ninth control valve; 26. an observation window; 27. a sampling port; 28. a water outlet; 29. an insulating sleeve.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the terms "connected," "connected," and "fixed" used in the present invention should be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral body; the connection can be mechanical connection or electrical connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1, the preferred embodiment of the present invention provides an experimental apparatus for liquid discharge characteristics, which includes a transformer 1, an upper electrode 2, a lower electrode 3, an experimental box 4 for containing liquid, a liquid injection box 5 for adding liquid, a vacuum machine 6 for changing hydrostatic pressure characteristics of liquid, a voltage detection device (not shown in the drawing) for detecting voltage when the upper electrode 2 and the lower electrode 3 discharge, and a current detection device (not shown in the drawing) for detecting current when the upper electrode 2 and the lower electrode 3 discharge;
the upper electrode 2 and the lower electrode 3 are arranged in an inner cavity of the experiment box body 4, the transformer 1 is connected with the upper electrode 2, the lower electrode 3 is a grounding electrode, the upper electrode 2 and the lower electrode 3 are oppositely arranged to form a discharge space, the voltage detection device is connected between the upper electrode 2 and the lower electrode 3, and the current detection device is connected with the lower electrode 3;
the liquid injection box 5 is communicated with the experiment box body 4 and is positioned above the experiment box body 4, and the vacuum machine 6 is communicated with the liquid injection box 5.
Based on the experimental equipment for the liquid discharge characteristics with the technical characteristics, the liquid with the modulated conductivity is injected into the experimental box body 4 through the liquid injection box 5, the voltage transformation device 1 is utilized to provide a voltage transformation power supply for the upper electrode 2 and the lower electrode 3, so that the discharge experiment is performed between the upper electrode 2 and the lower electrode 3 in the liquid to be detected, the voltage detection device is utilized to obtain a discharge voltage value and a discharge waveform, the current detection device is utilized to obtain a discharge current value and a discharge waveform, so that the discharge characteristics of the liquid to be detected are obtained, in the discharge characteristic experiment, the liquid injection box 5 can be pumped and aerated through the vacuum machine 6, gas acts on the surface of the liquid, the hydrostatic pressure characteristics of the liquid are changed rapidly, the experimental research on the liquid discharge characteristics under different hydrostatic pressure levels is realized, and the experimental operation is simplified, and the internal experimental conditions can be changed rapidly, and the influence characteristics of all factors can be analyzed more accurately and quantitatively.
The voltage measuring device comprises a high-voltage probe, wherein the high-voltage end of the high-voltage probe is connected with the upper electrode 2, the low-voltage end of the high-voltage probe is connected with the lower electrode 3, the type number of the high-voltage probe is TEK-P6015A, the bandwidth is 75MHZ, and the highest voltage is 40 kV. The current measuring device is a Rogowski coil, is sleeved on the lead-out wire of the lower electrode 3 and has the model number of PEARSON 4418. When carrying out the discharge characteristic experiment, annotate liquid case 5 with experiment box 4 forms a sealed inner chamber, annotate the volume of liquid case 5 and be less than experiment box 4's volume, the liquid horizontal plane that awaits measuring is located annotate in the liquid case 5, be convenient for vacuum machine 6 is to the hydrostatic pressure of quick adjustment and control liquid. The liquid to be measured is water or other dischargeable liquid, and the conductivity of the used liquid can be adjusted, so that experimental research on the discharge characteristics of the liquid at different conductivity levels is realized, and the experimental research is not limited herein. The high-voltage generator can generate power frequency voltage and direct current voltage with different voltage magnitudes.
In this embodiment, a first control valve 7 is disposed between the liquid injection tank 5 and the experimental tank 4, and the first control valve 7 controls the liquid injection tank 5 to open and close, and at the same time, the speed of injecting liquid into the experimental tank 4 can be controlled.
In this embodiment, the experimental apparatus further includes a filter 8 and a water pump 9, an input end of the filter 8 is communicated with the bottom of the experimental box 4 through the water pump 9, an output end of the filter 8 is communicated with the liquid injection tank 5, a second control valve 10 is arranged between the water pump 9 and the experimental box 4, and a third control valve 11 is arranged between an output end of the filter 8 and the liquid injection tank 5, so that the experimental box 4, the liquid injection tank 5, the filter 8 and the water pump 9 form a filtering loop. The water pump 9 is used for sucking liquid into the filter 8, the liquid is filtered and then conveyed into the experiment box body 4, impurities generated in a discharge experiment are removed, and the opening and closing of the filtering loop are realized through the second control valve 10 and the third control valve 11.
In this embodiment, the experimental apparatus further includes heaters 12, temperature sensors 13 and a temperature control device 14, the heaters 12 are disposed on the left and right sides of the inner cavity of the experimental box 4, the temperature sensors 13 are disposed on the heaters 12, and each of the heaters 12 and the temperature sensors 13 is respectively connected to the temperature control device 14. The liquid is heated by the heater 12, the surface temperature of the heater 12 and the experimental liquid are measured by the temperature sensor 13, the measured temperature data are fed back to the temperature control device 14, the surface temperature of the heater 12 and the liquid temperature are monitored in real time, and the surface temperature of the heater 12 is controlled not to exceed a preset value. The influence of the temperature on the liquid discharge characteristic under different discharge parameters can be researched.
Further, the outside winding of heater 12 has insulating paper, can carry out vacuum drying to insulating paper in the experiment cavity, needs right when the inner chamber of experiment box 4 is dried, the accessible heater 12 will remain moisture stoving, form dry condition fast, will modulate the liquid injection of the specific value size conductivity of good again in the inner chamber of experiment box 4, can guarantee the accuracy of the conductivity size of the liquid that awaits measuring, reduce because of remaining the conductivity error that liquid and newly-added liquid mixture produced. Wherein, the heater 12 can be adjusted within the range of 20-400 ℃.
In this embodiment, the bottom electrode 3 is equipped with lifting adjusting mechanism 15, lifting adjusting mechanism 15 includes driving piece, lead screw and nut seat, the power take off end of driving piece with the lead screw is connected, the nut seat with lead screw threaded connection, the bottom electrode 3 is located on the nut seat, through driving piece control the lead screw rotates, makes the nut seat reciprocates, drives the bottom electrode 3 reciprocates, realizes adjusting the interval that discharges, wherein, the lifting adjusting structure still is equipped with the scale, can show the interval between the bottom electrode 3. The discharge characteristic experiment is carried out by adjusting different discharge distances between the upper electrode 2 and the lower electrode 3.
In this embodiment, the bottom of the experiment box 4 is provided with a plurality of adapters 16 externally connected with measuring instruments, the input ends of the adapters 16 are communicated with the bottom of the experiment box 4, the output ends of the adapters 16 are communicated with the top of the experiment box 4, the input ends of the adapters 16 are provided with corresponding fourth control valves 17, the output ends of the adapters 16 are collected in the same liquid path, and the same liquid path is provided with a fifth control valve 18. Different detection devices can be externally connected according to experimental needs, for example, an oil chromatographic analysis detection device can be externally connected to analyze the content of various other components in the oil, and then the loss of the detection device and the condition of polarization discharge are detected. The fourth control valve 17 and the fifth control valve 18 are used for realizing the opening and closing of the external detection device.
In this embodiment, experiment box 4 is equipped with dissolves gas device 19 and gas cylinder 20, dissolve gas device 19 the input with dissolve gas device 19's output respectively with experiment box 4 is linked together, dissolve gas device 19's input is equipped with sixth control valve 21, dissolve gas device 19's output is equipped with seventh control valve 22, gas cylinder 20 with dissolve gas device 19's air inlet and be linked together, dissolve gas device 19's air inlet and be equipped with eighth control valve 23, utilize dissolve gas device 19 will correspond gas heating and dissolve in the liquid that awaits measuring, realize changing the characteristic of the liquid that awaits measuring, carry out the discharge characteristic experiment to the liquid that awaits measuring that contains different gases.
In this embodiment, a breather 24 for filtering air moisture is arranged between the vacuum machine 6 and the liquid injection tank 5, a ninth control valve 25 for controlling the on-off is arranged at an output end of the breather 24, the air entering the inner cavity of the experimental box body 4 is ensured to be dry by filtering the moisture in the air through the breather 24, and the liquid to be measured is prevented from being mixed with the moisture in the humid air.
In this embodiment, the side of the experimental box 4 is provided with a detachable observation window 26, and the internal electrode spacing and the liquid discharge condition in the experimental process can be observed through the glass observation window 26; a high-speed camera can also be arranged at the position of the glass observation window 26 to photograph the liquid discharge process. The glass observation window 26 is detachable, and the upper electrode 2, the lower electrode 3, the heater 12, the thermocouple, the insulation sample paper, the temperature sensor 13 and the like can be replaced and adjusted through the glass observation window 26.
The upper electrode 2 and the lower electrode 3 which are arranged in the inner cavity of the experiment box body 4 can be replaced, such as a sharp-sharp electrode, a sharp-plate electrode, a plate-plate electrode and the like; the head parts of the upper electrode 3 and the lower electrode 3 are provided with screw teeth, so that electrode tips in different shapes can be conveniently connected.
The experimental box body 4 is further provided with a sampling port 27 and a water outlet 28, the sampling port 27 and the water outlet 28 are respectively provided with a corresponding control valve for controlling the opening and the closing of the sampling port 27 and the water outlet 28, and the upper electrode 2 is arranged at the top of the experimental box body 4 through an insulating sleeve 29.
The basic experimental process of the experimental device of the embodiment is as follows:
injecting liquid with specific conductivity, and enabling the liquid to be filtered circularly: opening the first control valve 7, closing the second control valve 10, the third control valve 11 and the ninth control valve 25, injecting the liquid in the liquid injection tank 5 into the experiment box body 4, adding a certain amount of liquid, measuring the conductivity of the liquid through a sampling port 27, opening the second control valve 10 and the third control valve 11, filtering the liquid, and removing impurities generated in the experiment;
change of hydrostatic pressure of liquid: the vacuum machine 6 is used for pumping and inflating the liquid injection box 5 so as to change the hydrostatic pressure of the liquid;
change of gas dissolved in liquid: opening a sixth control valve 21, a seventh control valve 22 and an eighth control valve 23, and heating and dissolving the gas into the liquid through the gas dissolving device 19;
and (3) heating and drying: turning on the temperature control device 14, setting the heating temperature of the heater 12, and starting the heater 12 to dry the interior of the experiment box body 4;
carrying out experimental detection: opening the observation window 26, installing the upper electrode 2 and the lower electrode 3 with required shapes, adjusting the distance between the upper electrode 2 and the lower electrode 3 through the lifting adjusting mechanism 15, starting the transformer device 1, applying voltage to the upper electrode 2, measuring the discharge voltage value and waveform between the upper electrode 2 and the lower electrode 3, and measuring the discharge current value and waveform between the upper electrode 2 and the lower electrode 3.
To sum up, the embodiment of the utility model provides a liquid discharge characteristic's experimental facilities can simulate the liquid discharge characteristic under the different experimental conditions fast, can not only change plus experiment voltage, liquid temperature, can also simplify the experiment operation, change inside experimental conditions comparatively easily, like hydrostatic pressure, liquid conductivity and electrode clearance distance, through changing the data to each experimental factor, observe and analysis experiment result, conclude the discharge characteristic who corresponds liquid, there is more accurate quantitative analysis to the influence characteristic of each factor, and is efficient, measure advantages such as accurate.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. The experimental equipment for the liquid discharge characteristic is characterized by comprising a voltage transformation device, an upper electrode, a lower electrode, an experimental box body for containing liquid, a liquid injection box for adding liquid, a vacuum machine for changing the hydrostatic pressure characteristic of the liquid, a voltage detection device for detecting the voltage when the upper electrode and the lower electrode are discharged and a current detection device for detecting the current when the upper electrode and the lower electrode are discharged;
the upper electrode and the lower electrode are arranged in an inner cavity of the experiment box body, the voltage transformation device is connected with the upper electrode, the lower electrode is a grounding electrode, the upper electrode and the lower electrode are oppositely arranged to form a discharge space, the voltage detection device is connected between the upper electrode and the lower electrode, and the current detection device is connected with the lower electrode;
the liquid injection box is communicated with the experiment box body and is positioned above the experiment box body, and the vacuum machine is communicated with the liquid injection box body.
2. The liquid discharge characteristic experiment apparatus according to claim 1, wherein a first control valve is provided between the liquid injection tank and the experiment tank body.
3. The liquid discharge characteristic experiment apparatus as claimed in claim 1, wherein the experiment apparatus further comprises a filter and a water pump, an input end of the filter is communicated with the bottom of the experiment tank through the water pump, an output end of the filter is communicated with the liquid injection tank, a second control valve is arranged between the water pump and the experiment tank, and a third control valve is arranged between the output end of the filter and the liquid injection tank, so that the experiment tank, the liquid injection tank, the filter and the water pump form a filtering loop.
4. The experimental facility for liquid discharge characteristics of claim 1, further comprising a heater, temperature sensors and a temperature control device, wherein the heater is disposed on the left and right sides of the inner cavity of the experimental box, the temperature sensors are disposed on the heater, and each of the heater and the temperature sensors is connected to the temperature control device.
5. The liquid discharge characteristic experiment apparatus according to claim 4, wherein an insulating paper is wound around an outer side of the heater.
6. The experimental facility for liquid discharge characteristics as set forth in claim 1, wherein the lower electrode is provided with an elevation adjustment mechanism, the elevation adjustment mechanism comprises a driving member, a screw rod and a nut seat, a power output end of the driving member is connected with the screw rod, the nut seat is in threaded connection with the screw rod, and the lower electrode is provided on the nut seat.
7. The liquid discharge characteristic experiment apparatus as claimed in claim 1, wherein the bottom of the experiment box is provided with a plurality of adapters externally connected with measuring instruments, the input ends of the adapters are communicated with the bottom of the experiment box, the output ends of the adapters are communicated with the top of the experiment box, the input end of each adapter is provided with a corresponding fourth control valve, the output ends of each adapter are gathered in the same liquid path, and the same liquid path is provided with a fifth control valve.
8. The experimental apparatus for liquid discharge characteristics of claim 1, wherein said experimental box is provided with an air dissolving device and an air bottle, an input end of said air dissolving device and an output end of said air dissolving device are respectively communicated with said experimental box, an input end of said air dissolving device is provided with a sixth control valve, an output end of said air dissolving device is provided with a seventh control valve, said air bottle is communicated with an air inlet of said air dissolving device, and an air inlet of said air dissolving device is provided with an eighth control valve.
9. The experimental equipment for liquid discharge characteristics of claim 1, wherein a breather for filtering air moisture is arranged between the vacuum machine and the liquid injection tank, and an output end of the breather is provided with a ninth control valve.
10. The liquid discharge characteristic experiment apparatus according to any one of claims 1 to 9, wherein a side surface of the experiment tank is provided with a detachable observation window.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921791860.6U CN211528601U (en) | 2019-10-23 | 2019-10-23 | Experimental equipment for liquid discharge characteristics |
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| CN201921791860.6U CN211528601U (en) | 2019-10-23 | 2019-10-23 | Experimental equipment for liquid discharge characteristics |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110658428A (en) * | 2019-10-23 | 2020-01-07 | 南方电网科学研究院有限责任公司 | Experimental equipment for liquid discharge characteristics |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110658428A (en) * | 2019-10-23 | 2020-01-07 | 南方电网科学研究院有限责任公司 | Experimental equipment for liquid discharge characteristics |
| CN110658428B (en) * | 2019-10-23 | 2022-04-12 | 南方电网科学研究院有限责任公司 | Experimental equipment for liquid discharge characteristics |
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| GR01 | Patent grant |