CN114660222B - Gas chromatography mass spectrometer for determination of polycyclic aromatic hydrocarbon of textile - Google Patents
Gas chromatography mass spectrometer for determination of polycyclic aromatic hydrocarbon of textile Download PDFInfo
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- CN114660222B CN114660222B CN202210476140.0A CN202210476140A CN114660222B CN 114660222 B CN114660222 B CN 114660222B CN 202210476140 A CN202210476140 A CN 202210476140A CN 114660222 B CN114660222 B CN 114660222B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/88—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
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Abstract
The invention belongs to the technical field of gas chromatography-mass spectrometers, and particularly relates to a gas chromatography-mass spectrometer for measuring polycyclic aromatic hydrocarbons of textiles. The device can automatically control the intervention of the sucking disc when the hand of a user is separated from the push-pull rod of the device in the process of pulling the device, so that the sucking disc is automatically sucked with the ground, the device is locked, the device is prevented from sliding, meanwhile, the sucking disc can automatically process dust on the ground nearby the sucking disc in the sucking process, so that the sucking disc is better sucked with the ground, and the push-pull rod of the device can automatically cool the hand held by the user in hot weather, so that the phenomenon of holding and slipping caused by the fact that the hand generates heat and sweats is avoided.
Description
Technical Field
The invention belongs to the technical field of gas chromatography-mass spectrometers, and particularly relates to a gas chromatography-mass spectrometer for determination of polycyclic aromatic hydrocarbons of textiles.
Background
The principle of the instrument is that a multi-component mixture is gasified and separated through gas chromatography, all the components sequentially enter a mass spectrometer according to the retention time sequence, gas molecules of all the components are ionized in an ion source to generate ions with positive charges with different mass-to-charge ratios, ion beams are formed under the action of an accelerating electric field, the ions enter a mass analyzer and are separated according to the mass-to-charge ratio, and finally, the detector detects electric signals converted from ion beams and sends the electric signals to a computer.
The gas chromatography mass spectrometer is generally heavier, and then the manual work can produce the power of taking off phenomenon sometimes pulling the gas chromatography mass spectrometer, make user's hand easily take place to break away from with the push-and-pull rod on the equipment, because the mill is in order to improve neatness nature, the ground is general comparatively smooth, and then when equipment breaks away from staff control, because can not in time handle, the equipment easily uncontrolled takes place to slide, produce the collision and cause the damage, for example, current patent (application number is CN 202122427142.4) a fabrics gas chromatography mass spectrometer for polycyclic aromatic hydrocarbon survey, above-mentioned equipment can realize the firm of equipment through control sucking disc and ground actuation, but above-mentioned equipment needs artificial intervention control to the flexible control of sucking disc, and then when taking place the equipment and break away from the phenomenon, because can not in time make the sucking disc intervene, and then make equipment easily take place to slide and produce the collision damage.
For this reason, we propose a gas chromatography mass spectrometer for the determination of polycyclic aromatic hydrocarbons in textiles to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems and provides a gas chromatography-mass spectrometer for measuring polycyclic aromatic hydrocarbons of textiles.
In order to achieve the purpose, the invention adopts the following technical scheme: a gas chromatography-mass spectrometer for measuring polycyclic aromatic hydrocarbon of textiles comprises a gas chromatography-mass spectrometer body and is characterized in that two supporting seats are fixedly connected to one side of the gas chromatography-mass spectrometer body, a rotating shaft is rotatably connected between the two supporting seats, a push-pull rod is fixedly connected to the rotating shaft, four finger grooves are formed in the push-pull rod, a hollow base is fixedly arranged on the lower side of the gas chromatography-mass spectrometer body, a telescopic regulating mechanism is arranged in the hollow base, two sliding seats are fixedly connected to the telescopic regulating mechanism, the lower ends of the two sliding seats penetrate through the hollow base and are fixedly connected with a sucking disc, a dust removing mechanism is arranged between the sliding seats and the corresponding sucking disc, a driving mechanism matched with the two dust removing mechanisms is arranged in the hollow base, electric control cavities matched with the finger grooves are formed in the push-pull rod, and conductive seats are fixedly arranged in the electric control cavities, an automatic control electric mechanism is arranged between each finger groove and the electric conduction seat, the automatic control electric mechanism is composed of a plurality of arc-shaped finger pressing plates and a plurality of resistors, a plurality of extension springs are fixedly connected between the arc-shaped finger pressing plates and the corresponding finger grooves, two sliding rods are fixedly connected to the arc-shaped finger pressing plates, the lower ends of the two sliding rods sequentially penetrate through the finger grooves and the electric conduction seats and are fixedly connected with the corresponding resistors, the resistors are in electric conduction and insertion connection with the electric conduction seats through electric insertion blocks, temperature sensing cavities are formed in the arc-shaped finger pressing plates, a plurality of temperature difference power generation pieces connected in parallel are arranged in the temperature sensing cavities, the hot ends of the temperature difference power generation pieces are in an arc-shaped design and extend to the outside, a plurality of semiconductor refrigeration pieces are embedded in the arc-shaped finger pressing plates and are electrically connected with the temperature difference power generation pieces, an electromagnetic relay electrically connected with the automatic control electric mechanism is arranged on the gas chromatograph body, and the electromagnetic relay is electrically connected with the telescopic regulating and controlling mechanism, and a plurality of universal wheels are fixedly arranged on the lower side of the hollow base.
In foretell fabrics polycyclic aromatic hydrocarbons survey is with gas chromatography mass spectrometer, flexible regulation and control mechanism comprises electromagnetic plate, permanent magnetism board and reset spring, the electromagnetic plate inlays and locates in hollow base, and the inner wall sliding connection of permanent magnetism board and hollow base, through reset spring fixed connection between electromagnetic plate and the permanent magnetism board, and two slides are fixed to be set up on the permanent magnetism board.
In foretell fabrics polycyclic aromatic hydrocarbon survey is with gas chromatography mass spectrometer, dust removal mechanism comprises guide shaft and dust removal fan, the guide shaft rotates and sets up in the slide, and the lower extreme of guide shaft extend to in the sucking disc that corresponds and with dust removal fan fixed connection.
In foretell fabrics polycyclic aromatic hydrocarbon survey is with gas chromatography mass spectrometer, actuating mechanism comprises micro motor, two drive wheels and two sheaves, two the upper end of guide shaft is all run through the permanent magnetism board and is cup jointed with the drive wheel that corresponds is fixed, micro motor sets up in the downside of permanent magnetism board, and micro motor's output and two sheave fixed cup joints, two sheaves pass through the drive belt and are connected with two drive wheel transmissions.
In foretell fabrics polycyclic aromatic hydrocarbon survey is with gas chromatography mass spectrometer, the both sides of permanent magnetism board all roll connection have a plurality of balls, and the ball is connected with hollow base's inner wall contact, the ball is the cavity design, and rotates in the ball and be provided with the trembler, each all inlay on the trembler and be equipped with ceramic piezoelectric patches, and each ceramic piezoelectric patches all with micro motor electric connection.
In foretell fabrics polycyclic aromatic hydrocarbon survey is with gas chromatography mass spectrometer, one of them one side fixedly connected with protection box of supporting seat, and the one end of pivot extends to in the protection box and the electrically conductive slider of fixedly connected with, set up electrically conductive slider matched with annular electrically conductive spout in the protection box, electrically conductive slider and electrically conductive seat electric connection, and annular electrically conductive spout and electromagnetic relay electric connection.
Compared with the prior art, the invention has the beneficial effects that: through the automatic control electric mechanism who sets up, make the user when pulling equipment, only when four indicate to grip each finger groove tightly, electromagnetic relay just can automatic closure, make flexible regulation and control mechanism automatic control sucking disc and ground separation, realize the unblock of equipment, make things convenient for equipment to remove, in order to reach standard pulling process, in order to avoid staff's pulling process too random, make four indicate not to grip the push-and-pull rod tightly, in order to reduce the possibility that the hand breaks away from, simultaneously, when taking place to break away from, automatic control electric mechanism can control electromagnetic relay automatic disconnection, and then make flexible regulation and control mechanism can move automatically, and then make the sucking disc can take place automatic intervention and ground actuation when equipment and staff's hand breaks away from, make equipment can be locked automatically, avoid equipment to slide, through the cooperation of dust removal mechanism and actuating mechanism who sets up, make the sucking disc at the in-process with ground actuation, can handle the dust granule near the sucking disc automatically, in order that the sucking disc is better with ground actuation, simultaneously, through the cooperation of thermoelectric generation piece and the semiconductor refrigeration piece that sets up, can be in the time of the hot, the hand, in order to further avoid the phenomenon of taking place to take place the hand and skid.
In conclusion: through the design of the invention, in the process of pulling the equipment, when the hand of a user is separated from the push-pull rod of the equipment, the suction cup can be automatically controlled to intervene, so that the suction cup is automatically sucked with the ground, the equipment is locked, and the equipment is prevented from sliding.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a gas chromatography-mass spectrometer for measuring polycyclic aromatic hydrocarbons of textiles provided by the invention;
FIG. 2 is a schematic diagram of the internal structure of a hollow base of a gas chromatography mass spectrometer for measuring polycyclic aromatic hydrocarbons of a textile provided by the invention;
FIG. 3 is a schematic structural diagram of a driving mechanism of a gas chromatography mass spectrometer for measuring polycyclic aromatic hydrocarbons of a textile provided by the invention;
FIG. 4 is a schematic diagram of an orthographic perspective structure of a sliding seat and a sucking disc of a gas chromatograph mass spectrometer for measuring polycyclic aromatic hydrocarbon of textiles, which are matched with each other;
FIG. 5 is a schematic structural diagram of the interaction of an arc-shaped finger-pressure plate and an electric control cavity of a gas chromatography mass spectrometer for measuring polycyclic aromatic hydrocarbons of textiles provided by the invention;
FIG. 6 is a schematic diagram of the internal structure of a gas chromatography-mass spectrometer protection box for measuring polycyclic aromatic hydrocarbons in textile provided by the invention;
FIG. 7 is a schematic diagram of an internal structure of an arc-shaped finger plate of a gas chromatography mass spectrometer for measuring polycyclic aromatic hydrocarbons of textiles provided by the invention;
FIG. 8 is a schematic diagram of an internal structure of a ball of a gas chromatography-mass spectrometer for measuring polycyclic aromatic hydrocarbons of textiles.
In the figure: the device comprises a gas chromatography mass spectrometer body, a support base 2, a rotating shaft 3, a push-pull rod 4, a finger groove 5, a hollow base 6, a telescopic regulation mechanism 7, an electromagnetic plate 71, a permanent magnetic plate 72, a reset spring 73, a slide base 8, a suction cup 9, an electric plug 10, a dust removal mechanism 11, a guide shaft 111, a dust removal fan 112, a driving mechanism 12, a micro motor 121, a driving wheel 122, a double-grooved pulley 123, an electric control cavity 13, a conductive base 14, an automatic control electric mechanism 15, an arc-shaped finger press plate 151, a resistor 152, an electromagnetic relay 16, a universal wheel 17, a driving belt 18, a ball 19, a vibrating piece 20, a ceramic piezoelectric piece 21, a telescopic spring 22, a sliding rod 23, a temperature sensing cavity 24, a temperature difference power generation piece 25, a semiconductor refrigeration piece 26, a protective box 27, a conductive sliding block 28 and an annular conductive sliding chute 29.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
As shown in fig. 1-8, a gas chromatography mass spectrometer for measuring polycyclic aromatic hydrocarbons in textiles includes a gas chromatography mass spectrometer body 1, two supporting seats 2 are fixedly connected to one side of the gas chromatography mass spectrometer body 1, and a rotating shaft 3 is rotatably connected between the two supporting seats 2, a push-pull rod 4 is fixedly connected to the rotating shaft 3, and four finger grooves 5 are formed in the push-pull rod 4, a fixing mechanism may be disposed on the gas chromatography mass spectrometer body 1, and the push-pull rod 4 is fixed when the push-pull rod 4 is not used, which may be specifically designed with reference to the patent with application number CN202122427142.4, which is not described herein in detail, a hollow base 6 is fixedly disposed at a lower side of the gas chromatography mass spectrometer body 1, and a telescopic regulation mechanism 7 is disposed in the hollow base 6, the telescopic regulation mechanism 7 is composed of an electromagnetic plate 71, a permanent magnetic plate 72 and a reset spring 73, the electromagnetic plate 71 is embedded in the hollow base 6, and the permanent magnetic plate 72 is slidably connected to an inner wall of the hollow base 6, the electromagnetic plate 71 and the permanent magnetic plate 72 are fixedly connected to the permanent magnetic plate 72, and two permanent plates 8 are fixedly disposed on the permanent magnetic plate 72, and the sliding seat 71 may be matched to control the magnetic plate to control the sucker 9.
Two slide bases 8 are fixedly connected to the telescopic control mechanism 7, the lower ends of the two slide bases 8 penetrate through the hollow base 6 and are fixedly connected with suckers 9, dust removing mechanisms 11 are arranged between the slide bases 8 and the corresponding suckers 9, driving mechanisms 12 matched with the two dust removing mechanisms 11 are arranged in the hollow base 6, each dust removing mechanism 11 is composed of a guide shaft 111 and a dust removing fan 112, the guide shafts 111 are rotatably arranged in the slide bases 8, the lower ends of the guide shafts 111 extend into the corresponding suckers 9 and are fixedly connected with the dust removing fans 112, each driving mechanism 12 is composed of a micro motor 121, two driving wheels 122 and double grooved wheels 123, the upper ends of the two guide shafts 111 penetrate through the permanent magnet plate 72 and are fixedly sleeved with the corresponding driving wheels 122, the micro motor 121 is arranged on the lower side of the permanent magnet plate 72, the output end of the micro motor 121 is fixedly sleeved with the double grooved wheels 123, the double grooved wheels 123 are in transmission connection with the two driving wheels 122 through a transmission belt 18, and the double grooved wheels 123 and the two driving wheels 122 are matched, so that the micro motor 121 can control the two guide shafts 111 to synchronously rotate, thereby controlling the two dust removing fans 112 to automatically rotate and clean the ground near the dust removing discs 9.
The both sides of permanent magnetism board 72 all roll connection have a plurality of balls 19, and ball 19 is connected with the inner wall contact of hollow base 6, ball 19 is the cavity design, and rotate in the ball 19 and be provided with trembler 20, all inlay on each trembler 20 and be equipped with ceramic piezoelectric plate 21, and each ceramic piezoelectric plate 21 all with micro motor 121 electric connection, through the ball 19 that sets up, can reduce the gliding frictional force of permanent magnetism board 72, and simultaneously, can cooperate the removal of permanent magnetism board 72, make ceramic piezoelectric plate 21 automatic generate current supply power for micro motor 121, make when sucking disc 9 moves, actuating mechanism 12 can intervene control dust removal mechanism 11 automatically and remove dust.
An electric control cavity 13 matched with each finger groove 5 is formed in the push-pull rod 4, a conductive seat 14 is fixedly arranged in the electric control cavity 13, an automatic control electric mechanism 15 is arranged between each finger groove 5 and the conductive seat 14, the automatic control electric mechanism 15 is composed of a plurality of arc-shaped finger pressing plates 151 and a plurality of resistors 152, a plurality of expansion springs 22 are fixedly connected between the arc-shaped finger pressing plates 151 and the corresponding finger grooves 5, two sliding rods 23 are fixedly connected on the arc-shaped finger pressing plates 151, the lower ends of the two sliding rods 23 sequentially penetrate through the finger grooves 5 and the conductive seats 14 and are fixedly connected with the corresponding resistors 152, the resistors 152 are in conductive insertion with the conductive seats 14 through electric plug blocks 10, and through the matching of the expansion springs 22 and the arc-shaped finger pressing plates 151, the electromagnetic relay 16 can be controlled to be opened and closed automatically according to the holding state of a user.
Seted up on arc finger clamp 151 and felt warm chamber 24, and be provided with a plurality of parallelly connected thermoelectric generation pieces 25 in the temperature sensing chamber 24, the hot junction of thermoelectric generation piece 25 is the arc design and extends to the outside setting, it is equipped with a plurality of semiconductor refrigeration pieces 26 to inlay on the arc finger clamp 151, and semiconductor refrigeration piece 26 and each thermoelectric generation piece 25 electric connection, thermoelectric generation piece 25 through setting up, temperature variation when can gripping according to the user, make when gripping the temperature higher, semiconductor refrigeration piece 26 can automatic start intervene, the hand that grips to the user is cooled down and is handled, it leads to gripping the skidding to avoid user's hand to perspire.
The gas chromatography mass spectrometer body 1 is provided with an electromagnetic relay 16 electrically connected with an automatic control motor mechanism 15, the electromagnetic relay 16 is electrically connected with a telescopic regulation and control mechanism 7, the lower side of the hollow base 6 is fixedly provided with a plurality of universal wheels 17, one side of one supporting seat 2 is fixedly connected with a protection box 27, one end of the rotating shaft 3 extends into the protection box 27 and is fixedly connected with a conductive sliding block 28, an annular conductive sliding groove 29 matched with the conductive sliding block 28 is formed in the protection box 27, the conductive sliding block 28 is electrically connected with the conductive seat 14, the annular conductive sliding groove 29 is electrically connected with the electromagnetic relay 16, the conductive sliding block 28 and the annular conductive sliding groove 29 are arranged and can be matched with the rotation of the push-pull rod 4, the normal conduction of the conductive seat 14 is ensured, and the conductive seat 14 is prevented from being bound by a wire harness.
The operating principle of the present invention will now be described as follows:
in the using process of the device, a storage battery can be adopted to supply power to the electromagnetic plate 71, so that the trouble of an external power supply is avoided, when the device needs to be pulled, the push-pull rod 4 is firstly rotated, the push-pull rod 4 is located at a position suitable for force application, then, four fingers of a hand of a user tightly hold the four finger grooves 5, under the pressure action of the hand, the arc-shaped finger pressing plate 151 can compress the expansion spring 22, under the driving of the sliding rod 23, the four resistors 152 can be separated from the conductive seat 14, further, the current introduced into the electromagnetic relay 16 is maximized, at the moment, the elastic force of the spring part can be overcome by the electromagnetic part in the electromagnetic relay 16, the electromagnetic relay 16 is automatically closed, further, the electromagnetic plate 71 can be automatically electrified and started, the electromagnetic plate 71 is electrified and magnetically attracted to attract the permanent magnetic plate 72, so that the permanent magnetic plate 72 drives the two suckers 9 to ascend and be separated from the ground, the automatic unlocking of the device is realized, and then, and the user can pull the device to move.
When the hand of the user is separated from the push-pull rod 4, each extension spring 22 automatically releases energy, so that each resistor 152 is connected to the circuit of the conductive seat 14 again, further the control current introduced by the electromagnetic relay 16 is reduced, at the moment, the electromagnetic part of the electromagnetic relay 16 cannot overcome the elastic force of the spring part, so that the electromagnetic relay 16 is automatically disconnected, at the moment, the electromagnetic plate 71 is powered off and demagnetized, and then the reset spring 73 corresponding to the electromagnetic plate 71 releases energy, so that the permanent magnetic plate 72 slides downwards, the permanent magnetic plate 72 drives the two suckers 9 to move downwards to automatically attract the ground, the automatic locking of the equipment is realized, and the equipment is prevented from sliding.
In the process of gliding of the permanent magnet plate 72, each ball 19 on both sides can roll constantly, make the trembler 20 vibrate constantly, and then the ceramic piezoelectric plate 21 can convert the vibration power into the automatic start of electric energy automatic control micro motor 121, the micro motor 121 can control the rotation of double grooved pulley 123 after starting, under the drive fit of two drive wheels 122, two dust removal fans 112 can rotate simultaneously, make the downside of sucking disc 9 can produce wind-force, and then the sucking disc 9 can blow away the dust on the ground near sucking disc 9 in the in-process that moves down, so that the sucking disc 9 is better with the ground actuation.
When weather is hot, the hand that the user gripped and the temperature at push-and-pull rod 4 gripping position can rise, make the hot junction temperature of each thermoelectric generation piece 25 can rise, and then the cold and hot both ends of thermoelectric generation piece 25 can form the difference in temperature, and then thermoelectric generation piece 25 can automatic generation electric current, make each semiconductor refrigeration piece 26 automatic start, reduce the temperature at push-and-pull rod 4 gripping position, make the hand that the user gripped can reach the cooling, in order to avoid the user to grip the hand and perspire, the phenomenon of skidding takes place to grip.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (6)
1. The gas chromatography mass spectrometer for measuring the polycyclic aromatic hydrocarbon of the textile comprises a gas chromatography mass spectrometer body (1) and is characterized in that two supporting seats (2) are fixedly connected to one side of the gas chromatography mass spectrometer body (1), a rotating shaft (3) is rotatably connected between the two supporting seats (2), a push-pull rod (4) is fixedly connected to the rotating shaft (3), four finger grooves (5) are formed in the push-pull rod (4), a hollow base (6) is fixedly arranged on the lower side of the gas chromatography mass spectrometer body (1), a telescopic regulating mechanism (7) is arranged in the hollow base (6), two sliding seats (8) are fixedly connected to the telescopic regulating mechanism (7), the lower ends of the two sliding seats (8) penetrate through the hollow base (6) and are fixedly connected with a sucker (9), a dust removing mechanism (11) is arranged between the sliding seats (8) and the corresponding sucker (9), a driving mechanism (12) matched with the two dust removing mechanisms (11) is arranged in the hollow base (6), finger grooves (5) are formed in the push-pull rod (4), electric control cavities (13) are internally provided with electric conduction seats (14) and electric conduction seats (15), the utility model discloses a gas chromatograph is characterized in that from accuse electric mechanism (15) comprises a plurality of arc finger board (151) and a plurality of resistance (152), fixedly connected with a plurality of expanding spring (22) between arc finger board (151) and the finger groove (5) that correspond, two slide bar (23) of fixedly connected with on arc finger board (151), and the lower extreme of two slide bar (23) run through finger groove (5) and electrically conductive seat (14) in proper order and with corresponding resistance (152) fixed connection, resistance (152) are through electrically conductive grafting of electricity inserted block (10) and electrically conductive seat (14), temperature sensing chamber (24) have been seted up on arc finger board (151), and are provided with a plurality of parallelly connected thermoelectric generation piece (25) in temperature sensing chamber (24), the hot junction of thermoelectric generation piece (25) is the arc design and extends to the outside setting, inlay on arc finger board (151) and be equipped with a plurality of semiconductor refrigeration piece (26), and semiconductor piece (26) and each thermoelectric generation piece (25) electric connection, be provided with on the gas chromatograph body (1) from electric mechanism's (15) and electromagnetic relay (16) the electric connection of electric potential difference, universal electric property analyzer is provided with electric relay (17), and electromagnetic property regulating mechanism (16) downside are connected with thermoelectric generation wheel (17).
2. The gas chromatography-mass spectrometer for measuring polycyclic aromatic hydrocarbons of textiles according to claim 1, wherein the telescopic regulating mechanism (7) is composed of an electromagnetic plate (71), a permanent magnetic plate (72) and a return spring (73), the electromagnetic plate (71) is embedded in the hollow base (6), the permanent magnetic plate (72) is in sliding connection with the inner wall of the hollow base (6), the electromagnetic plate (71) and the permanent magnetic plate (72) are fixedly connected through the return spring (73), and the two sliding seats (8) are fixedly arranged on the permanent magnetic plate (72).
3. The gas chromatography-mass spectrometer for measuring polycyclic aromatic hydrocarbons of textiles according to claim 2, wherein the dust removing mechanism (11) is composed of a guide shaft (111) and a dust removing fan (112), the guide shaft (111) is rotatably arranged in the sliding base (8), and the lower end of the guide shaft (111) extends into the corresponding suction cup (9) and is fixedly connected with the dust removing fan (112).
4. The gas chromatography-mass spectrometer for the determination of the polycyclic aromatic hydrocarbon in the textile is characterized in that the driving mechanism (12) comprises a micro motor (121), two driving wheels (122) and a double grooved wheel (123), the upper ends of the two guide shafts (111) penetrate through the permanent magnet plate (72) and are fixedly sleeved with the corresponding driving wheels (122), the micro motor (121) is arranged on the lower side of the permanent magnet plate (72), the output end of the micro motor (121) is fixedly sleeved with the double grooved wheel (123), and the double grooved wheel (123) is in transmission connection with the two driving wheels (122) through a transmission belt (18).
5. The gas chromatography-mass spectrometer for polycyclic aromatic hydrocarbon assay of textile according to claim 4, wherein a plurality of balls (19) are connected to both sides of said permanent magnet plate (72) in a rolling manner, and said balls (19) are connected to the inner wall of said hollow base (6) in a contact manner, said balls (19) are hollow, and said balls (19) are rotatably provided with vibrating pieces (20), each of said vibrating pieces (20) is embedded with a ceramic piezoelectric plate (21), and each of said ceramic piezoelectric plates (21) is electrically connected to said micro motor (121).
6. The textile polycyclic aromatic hydrocarbon gas chromatograph-mass spectrometer for measurement as claimed in claim 2, wherein one side of one of the supporting bases (2) is fixedly connected with a protection box (27), one end of the rotating shaft (3) extends into the protection box (27) and is fixedly connected with a conductive sliding block (28), the protection box (27) is provided with an annular conductive sliding chute (29) matched with the conductive sliding block (28), the conductive sliding block (28) is electrically connected with the conductive base (14), and the annular conductive sliding chute (29) is electrically connected with the electromagnetic relay (16).
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| CN202210476140.0A CN114660222B (en) | 2022-04-29 | 2022-04-29 | Gas chromatography mass spectrometer for determination of polycyclic aromatic hydrocarbon of textile |
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| CN207263706U (en) * | 2017-10-20 | 2018-04-20 | 四川凯乐检测技术有限公司 | A kind of portable anti-skidding moves gas chromatography mass spectrometer |
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