CN217212143U - Automatic filter material tester - Google Patents
Automatic filter material tester Download PDFInfo
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- CN217212143U CN217212143U CN202123456554.7U CN202123456554U CN217212143U CN 217212143 U CN217212143 U CN 217212143U CN 202123456554 U CN202123456554 U CN 202123456554U CN 217212143 U CN217212143 U CN 217212143U
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- filter material
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- inlet pipe
- peristaltic pump
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- 239000000463 material Substances 0.000 title claims abstract description 51
- 238000012360 testing method Methods 0.000 claims abstract description 63
- 150000003839 salts Chemical class 0.000 claims abstract description 39
- 239000002245 particle Substances 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000007664 blowing Methods 0.000 claims abstract description 7
- 230000002572 peristaltic effect Effects 0.000 claims description 41
- 238000010438 heat treatment Methods 0.000 claims description 25
- 150000002500 ions Chemical class 0.000 claims description 17
- 230000003068 static effect Effects 0.000 claims description 9
- 230000008520 organization Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims description 2
- 238000013522 software testing Methods 0.000 abstract description 5
- 230000010354 integration Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 126
- 230000003139 buffering effect Effects 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 230000000241 respiratory effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- XRVCXZWINJOORX-UHFFFAOYSA-N 4-amino-6-(ethylamino)-1,3,5-triazin-2-ol Chemical compound CCNC1=NC(N)=NC(O)=N1 XRVCXZWINJOORX-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model relates to an automatic filter material tester, include: a frame; set up in the frame is used for the pressure equipment mechanism of pressure equipment examination filter material that awaits measuring, pressure equipment mechanism includes: the device comprises a lower die fixed on the rack, a press-fitting cylinder fixed on the rack and positioned right above the lower die, and an upper die fixed on a piston rod of the press-fitting cylinder and corresponding to the lower die; the double-channel generator is arranged in the rack and is connected with the upper die and used for providing test gas; and, a testing mechanism for testing the performance of the filter material, the testing mechanism comprising: the upper die is connected with an air pump which is used for providing wind power for blowing the filter material, the first particle counter connected with the upper die and the second particle counter connected with the lower die. The utility model discloses with the gaseous detection integration in an organic whole of salt nature and oily gas detection, can realize salt nature test and oily test on same platform tester to efficiency of software testing has been improved.
Description
Technical Field
The utility model relates to a filter material test equipment technical field, in particular to automatic filter material tester.
Background
With the development of science and technology and the continuous improvement of national living standard, the health protection consciousness of the whole people is stronger and stronger. Through the popular science of the harmfulness of the public media to the air pollution particles such as haze, PM2.5 and the like, the health consciousness of people on respiratory protection is gradually strengthened. The mask is used as an important means of a respiratory protection article, and the state also provides corresponding execution standards for standardizing the quality of respiratory protection products on the market. Such as mandatory national standard GB 2626 of industrial masks 2006 respiratory protection article-self-priming filter type particulate-preventing respirator and recommended national standard GB/T32610 of civil masks 2016 of daily protective mask technical Specification.
The filter material is a core material for protecting the mask, so the filter material is also important for testing the filtering performance of the filter material, gases which need to be tested for the filtering performance in daily life usually comprise salt gases and oily gases, wherein the salt gases are generated by volatilization of an acid-base salt solution, and the oily gases are generated by volatilization of an oily solution, such as DEHS. The existing filter material testing equipment can only test one type of gas, and another type of equipment needs to be replaced when another type of gas is tested, so that the testing process is complicated.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an automatic filter material tester has the advantage that improves the measuring accuracy.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
an automatic filter material tester, comprising:
a frame;
set up in the frame is used for the pressure equipment mechanism of the examination of pressure equipment examination filter material, pressure equipment mechanism includes: the device comprises a lower die fixed on the rack, a press-fitting cylinder fixed on the rack and positioned right above the lower die, and an upper die fixed on a piston rod of the press-fitting cylinder and corresponding to the lower die;
the double-channel generator is arranged in the rack and is connected with the upper die and used for providing test gas; and the number of the first and second groups,
a accredited testing organization for being directed at the performance of filter material tests, accredited testing organization includes: the air pump is connected with the upper die and used for providing wind power for blowing the filter material, the first particle counter is connected with the upper die, and the second particle counter is connected with the lower die;
wherein the dual generator comprises:
a control main board;
the first peristaltic pump is connected to the salt gas generation bottle through a first air inlet pipe, the second peristaltic pump is connected to the oily gas generation bottle through a second air inlet pipe, the first air inlet pipe is connected with a first control valve, and the second air inlet pipe is connected with a second control valve;
the buffer gas cylinder is connected with a gas outlet pipe, the gas outlet pipe is communicated with the upper die, the buffer gas cylinder is connected with a gas pressure sensor, the gas pressure sensor is connected with the control mainboard, and the control mainboard controls the working frequency of the first peristaltic pump and the second peristaltic pump according to the pressure value collected by the gas pressure sensor.
The technical scheme is realized, when in testing, the filter material to be tested is placed on the lower die, the upper die is driven to descend by the press-fitting cylinder to press the filter material to be tested and the lower die tightly and form sealing, then the corresponding peristaltic pump and the control valve are selected to be opened according to the property of the gas to be tested, so that the salt test or the oil test can be selected, taking the salt test as an example, after the test mode is selected, the control mainboard controls the first control valve to be opened, the first peristaltic pump to work, the salt gas is generated at the volatilization part of the salt gas generating bottle, the second peristaltic pump pumps the salt gas into the buffer gas bottle, the buffer gas bottle is used for pressure balance and control, the situation that the accuracy of the test result is influenced due to overlarge test pressure is prevented, the pressure value in the buffer gas bottle can be monitored in real time by the air pressure sensor, so that the working frequency of the first pump is controlled, and the amount of the gas pumped into the buffer gas bottle is adjusted, then, gas is led into the upper die through the gas outlet pipe, the gas is pumped to the upper die through the gas pump, the air flow and the test gas are mixed to form blowing action on the filter material to be tested, the particle numbers in the upper die and the lower die are respectively detected through the first particle counter and the second particle counter, and the filtering performance of the filter material can be measured according to the difference value of the particle numbers; the utility model discloses with the gaseous detection integration in an organic whole of salt nature and oily gas detection, can realize salt nature test and oily test on same platform tester to efficiency of software testing has been improved.
As an optimized scheme of the utility model, be connected with first flow sensor in the first intake pipe, be connected with second flow sensor in the second intake pipe, first flow sensor with second flow sensor all with the control mainboard is connected.
According to the technical scheme, the gas flow of the first air inlet pipe and the second air inlet pipe can be detected in real time through the first flow sensor and the second flow sensor, and the main board can be controlled more conveniently to accurately control the first peristaltic pump and the second peristaltic pump.
As a preferred scheme of the utility model, be connected with third flow sensor on the outlet duct, third flow sensor with the control mainboard is connected.
According to the technical scheme, the gas flow of the gas outlet pipe is detected through the third flow sensor, so that the first peristaltic pump and the second peristaltic pump can be controlled to work more accurately according to the test requirement.
As an optimized scheme of the utility model, the control mainboard is connected with the display screen, the display screen is used for showing in real time the pressure value that baroceptor detected with the flow value that third flow sensor detected.
According to the technical scheme, the display screen can be used for monitoring the workers in real time.
As an optimized scheme of the utility model, the buffering gas cylinder still is connected with high frequency ion generator, high frequency ion generator be used for to take place in the buffering gas cylinder high frequency ion in order to eliminate the static that the test gas contained in the buffering gas cylinder.
According to the technical scheme, the high-frequency ion generator emits high-frequency ions into the buffer gas cylinder, and the high-frequency ions are neutralized with static phases contained in the salt gas to eliminate static electricity, so that the influence of the static electricity on a test result can be eliminated, and the test precision is improved.
As an optimized scheme of the utility model, first intake pipe still is connected with be used for with the salt gas that flows through in the first intake pipe heats the heating device to predetermined temperature.
Realize above-mentioned technical scheme, when salt gas process heating device, by heating device with salt gas heating to predetermined temperature to can accelerate salt gas granulation, improve follow-up efficiency of software testing.
As a preferred scheme of the utility model, heating device includes: heat conduction connecting pipe, setting are in the thermal-insulated joint at heat conduction connecting pipe both ends and around establishing the heater strip outside the heat conduction connecting pipe, first intake pipe connect in thermal-insulated joint.
Realize above-mentioned technical scheme, be connected with first intake pipe through thermal-insulated joint, during gaseous heat conduction connecting pipe that can flow into, heat conduction connecting pipe is heated by the heating wire, can be with gaseous heating to predetermined temperature.
As an optimized scheme of the utility model, still be connected with temperature sensor on the heat conduction connecting pipe, temperature sensor with the control mainboard is connected, the control mainboard acquires in real time the temperature detect value that temperature sensor detected, and according to temperature detect value control heater strip work is so that the heat conduction connecting pipe is in the predetermined temperature threshold value.
According to the technical scheme, the temperature in the heat conduction connecting pipe is monitored through the temperature sensor, so that the precision of temperature control is improved.
As an optimized scheme of the utility model, still include the machine box, the control mainboard the buffering gas cylinder high frequency ion generator reaches heating device all sets up in the machine box, first peristaltic pump with the second peristaltic pump is fixed one side of machine box.
According to the technical scheme, all the parts are integrated in the case, so that the installation process is quicker and more convenient.
As a preferred scheme of the utility model, the air pump still is connected with the gulp valve, the gulp valve is connected with outside air supply.
Realize above-mentioned technical scheme, the accessible opens the gulp valve and carries out the tonifying qi to the air pump when the air pump lacks atmospheric pressure, prevents that the air pump from keeping high-power state work because of lacking atmospheric pressure continuously, resulting in the air pump to burn out.
To sum up, the utility model discloses following beneficial effect has:
the embodiment of the utility model provides an automatic filter material tester, when testing, the filter material to be tested is placed on the lower mould, through pressure equipment cylinder drive upper die descend with the filter material to be tested and lower mould compresses tightly and forms sealedly, then according to the gaseous attribute that needs the test, select to open corresponding peristaltic pump and control valve, thereby can select to carry out salt nature test or oily test, take salt nature test as an example, after selecting the test mode, the control mainboard control first control valve is opened, first peristaltic pump work, salt nature gas takes place the salt nature gas of bottle volatilization department, the second peristaltic pump is with salt nature gas pump in the buffering gas cylinder, carry out pressure balance and control by the buffering gas cylinder, prevent to cause the condition that influences the test result accuracy because of test pressure is too big and take place, can real-time supervision pressure value in the gas cylinder through the baroceptor, so that the operating frequency of first peristaltic pump is controlled, adjusting the amount of gas pumped into the buffer gas cylinder, then introducing the gas into the upper die through the gas outlet pipe, pumping the gas into the upper die through the gas pump, mixing the gas flow with the test gas to form blowing action on the filter material to be tested, respectively detecting the particle numbers in the upper die and the lower die through the first particle counter and the second particle counter, and measuring the filtering performance of the filter material according to the difference value of the particle numbers in the upper die and the lower die; the utility model discloses with the gaseous and oily gaseous detection integration in an organic whole of salt nature, can realize salt nature test and oily test on same platform tester to efficiency of software testing has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a two-way generator according to an embodiment of the present invention.
The corresponding part names indicated by the numbers and letters in the drawings:
1. a frame; 2. a press-fitting mechanism; 21. a lower die; 22. pressing and mounting the air cylinder; 23. an upper die; 3. a two-way generator; 31. a control main board; 311. a display screen; 32. a first peristaltic pump; 321. a first intake pipe; 322. a first control valve; 323. a first flow sensor; 33. a second peristaltic pump; 331. a second intake pipe; 332. a second control valve; 333. a second flow sensor; 34. a buffer gas cylinder; 341. an air outlet pipe; 342. an air pressure sensor; 343. a third flow sensor; 35. a high-frequency ion generator; 36. a heating device; 361. a heat-conducting connecting pipe; 362. a thermally insulated joint; 363. heating wires; 364. a heat insulating sleeve; 365. a temperature sensor; 37. a case; 371. a cross beam; 372. binding a belt; 4. a testing mechanism; 41. an air pump; 411. an air supply valve; 42. a first particle counter; 43. a second particle counter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
An automatic filter material tester, as shown in fig. 1 and 2, comprising: a frame 1; the press-mounting mechanism 2 is arranged on the frame 1 and used for press-mounting a filter material to be tested; the double-path generator 3 is arranged in the rack 1 and is connected with the press-mounting mechanism 2 and is used for providing test gas; and a testing mechanism 4 for testing the performance of the filter material.
Specifically, the press-fitting mechanism 2 includes: the lower die 21 fixed on the frame 1, the press-fitting cylinder 22 fixed on the frame 1 and located right above the lower die 21, the upper die 23 fixed on the piston rod of the press-fitting cylinder 22 and corresponding to the lower die 21, the upper die 23 and the lower die 21 are both of a hollow structure, the upper die 23 is bowl-shaped, the diameter of the lowest end of the upper die 23 is consistent with that of the lower die 21, and when the upper die 23 is pressed down to compress a filter material, the upper die 23 and the filter material and the lower die 21 and the filter material can be sealed.
The two-way generator 3 includes: a control main board 31; the first peristaltic pump 32 and the second peristaltic pump 33 are connected with the control main board 31, the first peristaltic pump 32 is connected to the salt gas generating bottle through a first gas inlet pipe 321, the second peristaltic pump 33 is connected to the oil gas generating bottle through a second gas inlet pipe 331, the first gas inlet pipe 321 is connected with a first control valve 322, and the second gas inlet pipe 331 is connected with a second control valve 332; the buffer gas bottle 34 is connected with the first gas inlet pipe 321 and the second gas inlet pipe 331, the buffer gas bottle 34 is connected with a gas outlet pipe 341, the gas outlet pipe 341 is used for being connected with a testing part of a tester, the buffer gas bottle 34 is connected with a gas pressure sensor 342, the gas pressure sensor 342 is connected with the control mainboard 31, and the control mainboard 31 controls the working frequency of the first peristaltic pump 32 and the second peristaltic pump 33 according to pressure values collected by the gas pressure sensor 342.
The saline gas generating bottle and the oily gas generating bottle can be commercially available products, the bottle openings of the saline gas generating bottle and the oily gas generating bottle are provided with gas pipe joints so as to be connected with a first gas inlet pipe 321 and a second gas inlet pipe 331, the first gas inlet pipe 321 is connected with a first flow sensor 323, the second gas inlet pipe 331 is connected with a second flow sensor 333, and the first flow sensor 323 and the second flow sensor 333 are both connected with the control main board 31; the gas flow of the first gas inlet pipe 321 and the second gas inlet pipe 331 can be detected in real time through the first flow sensor 323 and the second flow sensor 333, and the main board 31 can be controlled more conveniently to accurately control the first peristaltic pump 32 and the second peristaltic pump 33; meanwhile, the gas outlet pipe 341 is further connected with a third flow sensor 343, the third flow sensor 343 is connected with the control main board 31, and the gas flow of the gas outlet pipe 341 is detected through the third flow sensor 343, so that the first peristaltic pump 32 and the second peristaltic pump 33 can be controlled to work more accurately according to the test requirement.
The first air inlet pipe 321 is further connected with a heating device 36 for heating the salt gas flowing through the first air inlet pipe 321 to a predetermined temperature, and when the salt gas passes through the heating device 36, the salt gas is heated to the predetermined temperature by the heating device 36, so that salt gas granulation can be accelerated, and subsequent testing efficiency is improved.
Specifically, the heating device 36 includes: the gas heating device comprises a heat-conducting connecting pipe 361, heat insulation joints 362 arranged at two ends of the heat-conducting connecting pipe 361, and a heating wire 363 wound outside the heat-conducting connecting pipe 361, wherein a first gas inlet pipe 321 is connected with the heat insulation joints 362 and is connected with the first gas inlet pipe 321 through the heat insulation joints 362, gas can flow into the heat-conducting connecting pipe 361, and the heat-conducting connecting pipe 361 is heated by the heating wire 363, so that the gas can be heated to a preset temperature; and a heat insulating sleeve 364 is provided at both ends of the heat conductive connection pipe 361, a heat insulating joint 362 is connected to the heat insulating sleeve 364, both the heat insulating sleeve 364 and the heat insulating joint 362 are made of heat insulating material, and the heat of the first connection pipe can be reduced by the heat insulating sleeve 364 and the heat insulating joint 362, thereby preventing the first connection pipe and the heat insulating joint 362 from being loosened due to the overheating expansion.
The heat conduction connecting pipe 361 is also connected with a temperature sensor 365, the temperature sensor 365 is connected with the control main board 31, the control main board 31 obtains a temperature detection value detected by the temperature sensor 365 in real time, the heating wire 363 is controlled to work according to the temperature detection value so that the heat conduction connecting pipe 361 is within a preset temperature threshold value, the temperature in the heat conduction connecting pipe 361 is monitored through the temperature sensor 365, and therefore the accuracy of temperature control is improved.
The automatic filter material tester of the embodiment further comprises a machine box 37, the control main board 31, the buffer gas cylinder 34, the high-frequency ion generator 35 and the heating device 36 are all arranged in the machine box 37, the first peristaltic pump 32 and the second peristaltic pump 33 are fixed on one side of the machine box 37, and all the components are integrated in the machine box 37, so that the installation process is quicker and more convenient; a beam 371 is arranged on the top of the case 37, the buffer gas cylinder 34 is fixed on the beam 371 through a tie 372, so as to fixedly install the buffer gas cylinder 34, and in this embodiment, the control main board 31 can adopt a PLC controller, so as to perform centralized control on each electric element.
Meanwhile, in this embodiment, the control main board 31 is connected to the display screen 311, the display screen 311 is used for displaying the pressure value detected by the air pressure sensor 342 and the flow value detected by the third flow sensor 343 in real time, the display screen 311 can be used for monitoring by the worker in real time, and the control main board 31 can adopt a PLC controller, so as to perform centralized control on each electrical element.
The test mechanism 4 includes: an air pump 41 which is connected with the upper die 23 and is used for providing wind power for blowing to the filter material, a first particle counter 42 connected with the upper die 23 and a second particle counter 43 connected with the lower die 21, wherein the air pump 41 provides a downward positive pressure, the first particle counter 42 and the second particle counter 43 count particles, and the filtering performance of the filter material can be measured according to the difference value of the values between the two; meanwhile, the air pump 41 is further connected with an air compensating valve 411, the air compensating valve 411 is connected with an external air source, air can be supplied to the air pump 41 by opening the air compensating valve 411 when the air pump 41 lacks air pressure, and the air pump 41 is prevented from continuously keeping a high-power state to work due to the lack of air pressure, so that the air pump 41 is prevented from being burnt out.
When testing is carried out, a filter material to be tested is placed on the lower die 21, the upper die 23 is driven to descend by the press-fitting air cylinder 22 to press the filter material to be tested and the lower die 21 tightly and form sealing, then the corresponding peristaltic pump and the control valve are selected to be opened according to the property of gas to be tested, so that salt testing or oil testing can be selected, taking salt testing as an example, after a testing mode is selected, the control mainboard 31 controls the first control valve 322 to be opened, the first peristaltic pump 32 works, salt gas is generated at the volatilization part of the salt gas generating bottle, the second peristaltic pump 33 pumps the salt gas into the buffer gas bottle 34, the buffer gas bottle 34 carries out pressure balancing and control, the situation that the accuracy of a testing result is influenced due to overlarge testing pressure is prevented from occurring, the pressure value in the buffer gas bottle 34 can be monitored in real time by the air pressure sensor 342, so as to control the working frequency of the first peristaltic pump 32, adjusting the amount of gas pumped into the buffer gas cylinder 34, then introducing the gas into the upper die 23 through the gas outlet pipe 341, pumping the gas into the upper die 23 by the gas pump 41, mixing the gas flow with the test gas to form blowing action on the filter material to be tested, respectively detecting the particle numbers in the upper die 23 and the lower die 21 through the first particle counter 42 and the second particle counter 43, and measuring the filtering performance of the filter material according to the difference value of the two; the utility model discloses with the gaseous detection integration in an organic whole of salt nature and oily gas detection, can realize salt nature test and oily test on same platform tester to efficiency of software testing has been improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An automatic filter material tester, characterized by, includes:
a frame;
set up in the frame is used for the pressure equipment mechanism of pressure equipment examination filter material that awaits measuring, pressure equipment mechanism includes: the device comprises a lower die fixed on the rack, a press-fitting cylinder fixed on the rack and positioned right above the lower die, and an upper die fixed on a piston rod of the press-fitting cylinder and corresponding to the lower die;
the double-channel generator is arranged in the rack and is connected with the upper die and used for providing test gas; and the number of the first and second groups,
a accredited testing organization for testing the performance of filter material, accredited testing organization includes: the air pump is connected with the upper die and used for providing wind power for blowing the filter material, the first particle counter is connected with the upper die, and the second particle counter is connected with the lower die;
wherein the dual generator comprises:
a control main board;
the first peristaltic pump is connected to the salt gas generation bottle through a first air inlet pipe, the second peristaltic pump is connected to the oily gas generation bottle through a second air inlet pipe, the first air inlet pipe is connected with a first control valve, and the second air inlet pipe is connected with a second control valve;
the buffer gas cylinder is connected with a gas outlet pipe, the gas outlet pipe is communicated with the upper die, the buffer gas cylinder is connected with a gas pressure sensor, the gas pressure sensor is connected with the control mainboard, and the control mainboard controls the working frequency of the first peristaltic pump and the second peristaltic pump according to the pressure value collected by the gas pressure sensor.
2. The automatic filter material tester of claim 1, wherein a first flow sensor is connected to the first air inlet pipe, a second flow sensor is connected to the second air inlet pipe, and both the first flow sensor and the second flow sensor are connected to the control motherboard.
3. The automatic filter material tester of claim 2, wherein a third flow sensor is connected to the outlet pipe, and the third flow sensor is connected to the control motherboard.
4. The automatic filter material tester of claim 3, wherein the control motherboard is connected with a display screen, and the display screen is used for displaying the pressure value detected by the air pressure sensor and the flow value detected by the third flow sensor in real time.
5. The automatic filter material tester of claim 1, wherein the buffer gas cylinder is further connected with a high frequency ion generator for generating high frequency ions into the buffer gas cylinder to eliminate static electricity contained in the test gas in the buffer gas cylinder.
6. The automatic filter material tester of claim 5, wherein the first air inlet pipe is further connected with a heating device for heating the salt gas flowing through the first air inlet pipe to a predetermined temperature.
7. The automated filter material tester of claim 6, wherein the heating device comprises: heat conduction connecting pipe, setting are in the thermal-insulated joint at heat conduction connecting pipe both ends and around establishing the heater strip outside the heat conduction connecting pipe, first intake pipe connect in thermal-insulated joint.
8. The automatic filter material tester of claim 7, wherein the heat conducting connecting pipe is further connected with a temperature sensor, the temperature sensor is connected with the control mainboard, the control mainboard obtains a temperature detection value detected by the temperature sensor in real time, and controls the heating wire to work according to the temperature detection value so that the heat conducting connecting pipe is within a predetermined temperature threshold.
9. The automatic filter material tester of claim 6, further comprising a case, wherein the control main board, the buffer gas cylinder, the high-frequency ion generator and the heating device are all disposed in the case, and the first peristaltic pump and the second peristaltic pump are fixed to one side of the case.
10. The automatic filter material tester of claim 1, wherein the air pump is further connected with an air compensating valve, and the air compensating valve is connected with an external air source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123456554.7U CN217212143U (en) | 2021-12-31 | 2021-12-31 | Automatic filter material tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123456554.7U CN217212143U (en) | 2021-12-31 | 2021-12-31 | Automatic filter material tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217212143U true CN217212143U (en) | 2022-08-16 |
Family
ID=82788453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123456554.7U Expired - Fee Related CN217212143U (en) | 2021-12-31 | 2021-12-31 | Automatic filter material tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217212143U (en) |
-
2021
- 2021-12-31 CN CN202123456554.7U patent/CN217212143U/en not_active Expired - Fee Related
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