CN111983535A - Magnet temperature control device of nuclear magnetic resonance equipment - Google Patents
Magnet temperature control device of nuclear magnetic resonance equipment Download PDFInfo
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- CN111983535A CN111983535A CN202010845568.9A CN202010845568A CN111983535A CN 111983535 A CN111983535 A CN 111983535A CN 202010845568 A CN202010845568 A CN 202010845568A CN 111983535 A CN111983535 A CN 111983535A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/3804—Additional hardware for cooling or heating of the magnet assembly, for housing a cooled or heated part of the magnet assembly or for temperature control of the magnet assembly
Abstract
The invention discloses a magnet temperature control device of nuclear magnetic resonance equipment, relates to the technical field of nuclear magnetic resonance equipment, and solves the problems that the existing temperature control device adopts hot air to blow and heat, the hot air mostly comes in a directional manner, only single-side blowing and heating can be carried out on a magnet, and blowing dead angles exist. A magnet temperature control device of nuclear magnetic resonance equipment comprises a motor, an arc-shaped clamping plate, an adsorption strip plate and a stress push plate, wherein the motor comprises a sector gear; the arc-shaped shell comprises a cross-brace positioning shaft; the root positions of the left side and the right side of the inner space of the arc-shaped shell are symmetrically supported and welded with two cross brace positioning shafts. The front and rear groups of adsorption slats can intermittently slide back and forth in opposite directions to perform adsorption cleaning on the deposited dust cleaned on the inner wall of the bottom of the arc-shaped shell, so that the trouble of manual cleaning is avoided.
Description
Technical Field
The invention relates to the technical field of nuclear magnetic resonance equipment, in particular to a magnet temperature control device of the nuclear magnetic resonance equipment.
Background
The nuclear magnetic resonance is a physical process that the nuclear magnetic resonance is characterized in that the nuclear magnetic resonance has non-zero magnetic moment, the spinning energy level is subjected to Zeeman splitting under the vertical action of a main magnetic field and a radio frequency field, and the nuclear magnetic resonance absorbs radio frequency energy, and has numerous advantages incomparable with other detection means such as nondestructive detection, rich detection information and the like. The magnetic field intensity of the permanent magnet magnetic field changes along with the change of the environmental temperature, thereby influencing the detection of the nuclear magnetic resonance signal. The nuclear magnetic resonance technology has a wide application range and covers a plurality of fields of biology, medicine, chemistry, food, petroleum, polymer, security inspection, building, artwork and the like. However, the influence of temperature on the magnet is not negligible, and most nuclear magnetic resonance devices are provided with magnet temperature control devices.
For example, patent No. CN201410500560.3 discloses a nuclear magnetic resonance magnet thermostat, which belongs to the technical field of nuclear magnetic resonance facilities. Comprises a box body, wherein a magnet constant-temperature tank matching hole is arranged on a top plate of the box body; the liquid medium circulating box is arranged in the box cavity and fixed with the base of the box cavity, a heating element and a liquid medium return pipe are arranged in the box cavity of the liquid medium circulating box, and a heat exchange conduction plate is arranged in the length direction of the left box wall of the liquid medium circulating box; the magnet constant temperature tank is fixed with the top plate of the box body, a liquid medium return pipe is arranged in a jacket cavity of the magnet constant temperature tank, and a liquid medium introducing interface is arranged at the bottom of the jacket cavity; the circulating pump is fixed with the base, a liquid inlet of the circulating pump is communicated with the liquid medium circulating box cavity, and a liquid outlet of the circulating pump is connected with the liquid medium introducing interface; and the semiconductor refrigerating mechanism is fixed with the liquid medium circulating box and is in contact with the heat exchange conduction plate. The magnet is in an ideal constant temperature state; the operation is convenient; small volume, convenient manufacture and use and economy.
The ubiquitous heating that blows of current temperature control device adopts is hot-blast, hot-blast mostly is directional air, can only implement the single face to the magnet and blow the heating, there is the dead angle of blowing, and there is the deviation in wind speed and the flow at each position on the magnet hot-blast, this can cause being heated of magnet not enough evenly fully, the difference in temperature is great, the circulation heating is blown in addition, can make to increase the magnet and deposit the volume with the inside dust of casing, need artifical regular manual clean, it is comparatively loaded down with trivial details inconvenient to operate, the problem of wasting time and energy.
Disclosure of Invention
The invention aims to provide a magnet temperature control device of nuclear magnetic resonance equipment, which aims to solve the problems that the hot air blowing heating adopted in the background technology is mostly directional air, only single-side blowing heating can be carried out on a magnet, and blowing dead angles exist.
In order to achieve the purpose, the invention provides the following technical scheme: a magnet temperature control device of nuclear magnetic resonance equipment comprises a motor, an arc-shaped clamping plate, an adsorption strip plate and a stress push plate, wherein the motor comprises a sector gear; the arc-shaped shell comprises a cross-brace positioning shaft; two cross brace positioning shafts are symmetrically supported and welded at the root positions of the left side and the right side of the inner space of the arc-shaped shell; the arc-shaped clamping plates comprise arc-shaped track rods and baffles, the two arc-shaped clamping plate symmetric locking supports are arranged at the left side and the right side of the front inner wall and the rear inner wall of the arc-shaped shell, the two arc-shaped track rods are symmetrically welded between the two arc-shaped clamping plates, and the four air distribution rings are arranged at equal intervals and are sleeved and slid on the two arc-shaped track rods; the head ends of the two arc-shaped clamping plates are respectively provided with a clamping groove, two ends of the two clamping grooves are respectively and symmetrically welded with two baffles, and the arc-shaped magnet is clamped and arranged between the two arc-shaped clamping plates; the adsorption batten comprises a shunt tank and a suction air pipe; the adsorption slats are arranged in four positions, wherein a front adsorption frame is formed by supporting and connecting two positions on the front side, a rear adsorption frame is formed by supporting and connecting two positions on the rear side, and the left ends of the front and rear groups of adsorption slats are supported, communicated and welded with a shunt tank; a suction air pipe penetrates through and is welded at the left side position of the arc-shaped outer wall of the arc-shaped shell, and the suction air pipe is communicated with two shunt tanks corresponding to the two threaded hoses; the left end and the right end of the adsorption ribbon board at the middle two positions are symmetrically supported and welded with four positioning lug plates; the whole T-shaped structure of the stress push plate is integrally connected and installed on the left end sections of the four adsorption strip plates.
Preferably, the bending radian of the two arc-shaped clamping plates is the same as the arching arc of the arc-shaped magnet, and the left and right end sections of the magnet are correspondingly clamped in the clamping grooves at the head ends of the two arc-shaped clamping plates and clamped between the left and right groups of baffle plates.
Preferably, the four adsorption strip plates are in a structure that the middle is arched and the left and right are horizontal, and the front and the rear two groups of adsorption strip plates are pushed by the four positioning lug plate springs to be sleeved and slid on the two cross support positioning shafts; all seted up a suction gap on the bottom wall board of adsorbing the slat, and the overhead top is pressed close to the top in horizontal inner wall about the arc shell bottom to the horizontal segment about the adsorbing the slat, and the overhead top in the arc shell bottom arc inner wall is pressed close to the middle hunch-up section of adsorbing the slat everywhere.
Preferably, the stress push plate comprises a connecting rod and a sliding seat, the back rib rod of the stress push plate is in a splayed shape and is supported and rotatably connected with two connecting rods, and the tail ends of the two connecting rods are rotatably connected with one sliding seat.
Preferably, the sliding seats are formed by supporting and welding a left shaft ring and a right shaft ring, two supporting and connecting shafts are welded between the left end sections of the front and rear groups of adsorption slats at intervals, and the two sliding seats are correspondingly limited and sleeved on the four supporting and connecting shafts.
Preferably, the air distribution ring comprises a brush ring, an air supply flat pipe, a hot air inlet pipe and an arc-shaped connecting plate; the middle parts of the top ends of the four wind distribution rings are welded and communicated with a wind supply flat pipe, and the middle positions of the bottoms of the four wind distribution rings are electrically welded and connected with an arc-shaped connecting plate; the air supply flat pipe and the hot air inlet pipe are welded with four brush rings at intervals, and the right side position of the arc-shaped outer wall of the arc-shaped shell is welded with one hot air inlet pipe in a penetrating mode.
Preferably, the air distribution ring and the brush ring are both of a rectangular four-corner arc bending transition structure, the air distribution ring is hollow inside, a circle of rectangular air ports are formed in the four inner walls of the air distribution ring at equal intervals, and the hot air inlet pipe is communicated with the air supply flat pipe through a spiral elastic heat-resistant hose.
Preferably, the four brush rings are arranged among the four air distribution rings in rows, and nylon brushes are fixed on the inner rings of the four brush rings through magic tapes; the left end of the arc-shaped connecting plate is obliquely and rightwards opposite to the stressed push plate at intervals; the arc outer wall at the top end of the air supply flat pipe is provided with a gear row, and the vertical sector gear is correspondingly in rotary contact and meshed with the gear row.
Compared with the prior art, the invention has the beneficial effects that:
1. the two arc-shaped clamping plates are clamped at the two ends of the arc-shaped magnet, so that the total length of the arc-shaped magnet is prolonged, the sliding tracks of the four air distribution rings can extend to the left end and the right end of the arc-shaped magnet, the heating of the left outer edge and the right outer edge of the arc-shaped magnet is facilitated, and the situations of heating leakage and insufficient heating caused by the fact that the outer ends of the arc-shaped magnet are far away from the center are avoided;
2. the front and rear groups of adsorption slats can intermittently and oppositely slide back and forth to perform comprehensive adsorption cleaning on the deposited dust cleaned on the inner wall of the bottom of the arc-shaped shell, so that the trouble of manual cleaning is saved, the arc-shaped shell is kept clean, and the inside of the arc-shaped shell is efficiently and conveniently cleaned;
3. the air distribution flat tubes and the arc-shaped connecting plates connect the four air distribution rings and the four brush rings at intervals in a staggered manner to form a sliding frame, and the sliding frame can also clean dust adhered to the arc-shaped magnet when sliding blowing heating is carried out;
4. under the linkage of the air supply flat pipe, the arc-shaped connecting plate can be in sliding and pushing contact with the stressed push plate to drive the front and rear groups of adsorption slats to slide back and forth in a reciprocating manner, so that the rotary kinetic energy of the motor is fully utilized, the motor can drive the sliding air distribution ring and the brush ring at four positions and can push and drive the two groups of adsorption slats, one device has two purposes, a sliding driving force source additionally arranged for the two groups of adsorption slats is omitted, and the air supply flat pipe has better economical efficiency;
5. the air distribution rings are sleeved on the arc-shaped magnet and can be used for carrying out blowing heating at 360-degree dead angles, and the air distribution rings are matched with the reciprocating sliding motion of the air distribution rings to blow each part of the arc-shaped magnet to raise the temperature, so that the arc-shaped magnet is heated comprehensively and uniformly, the condition of blowing heating is avoided, the temperature difference of each part is effectively reduced, and the temperature control use effect is outstanding.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic bottom three-dimensional structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic view of the mounting positions of two arc-shaped clamping plates according to the present invention;
FIG. 5 is a schematic view of the internal front view of the present invention;
FIG. 6 is a schematic view of a three-dimensional structure of an arc-shaped clamping plate according to the present invention;
FIG. 7 is a bottom view of the adsorption slat of the present invention;
FIG. 8 is a schematic three-dimensional structure of a suction slat according to the present invention;
FIG. 9 is a schematic view of an arrangement and installation structure of the air distribution rings of the present invention;
FIG. 10 is a schematic view of the installation position of the arc-shaped connecting plate of the present invention;
FIG. 11 is a schematic view of the present invention showing the arc magnet in an inserted and removed state;
in the figure: 1. an arc-shaped housing; 101. a cross brace positioning shaft; 2. a motor; 201. a sector gear; 3. an arc-shaped clamping plate; 301. an arc-shaped track rod; 302. a baffle plate; 4. adsorbing the ribbon board; 401. a shunt tank; 402. a suction air duct; 403. positioning the ear plate; 5. a stressed push plate; 501. a connecting rod; 502. a sliding seat; 6. a wind distribution ring; 601. brushing rings; 602. an air supply flat pipe; 603. a hot air inlet pipe; 604. an arc-shaped connecting plate; 7. an arc-shaped magnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 11, an embodiment of the present invention includes: a temperature control device for a magnet of nuclear magnetic resonance equipment comprises a motor 2, an arc-shaped clamping plate 3, an adsorption strip plate 4 and a stress push plate 5, wherein the motor 2 comprises a sector gear 201, the middle part of the top end of an arc-shaped shell 1 is supported and installed with the motor 2, and a sector gear 201 is sleeved on a rotating shaft of the motor 2; the arc-shaped shell 1 comprises a cross-brace positioning shaft 101; two cross brace positioning shafts 101 are symmetrically supported and welded at the root positions of the left side and the right side of the inner space of the arc-shaped shell 1; the arc-shaped clamping plates 3 comprise arc-shaped track rods 301 and baffles 302, the two arc-shaped clamping plates 3 are symmetrically locked and supported and are arranged at the left side and the right side of the front inner wall and the rear inner wall of the arc-shaped shell 1, the two arc-shaped track rods 301 are symmetrically welded between the two arc-shaped clamping plates 3, and the four air distribution rings 6 are arranged at equal intervals and are sleeved on the two arc-shaped track rods 301; the head ends of the two arc-shaped clamping plates 3 are respectively provided with a clamping groove, two ends of the two clamping grooves are respectively and symmetrically welded with two baffles 302, and the arc-shaped magnet 7 is clamped and arranged between the two arc-shaped clamping plates 3; the adsorption slat 4 comprises a shunt tank 401 and a suction air duct 402; the adsorption slats 4 are arranged in four positions, wherein the front side two positions are supported and connected to form a front adsorption frame, the rear side two positions are supported and connected to form a rear adsorption frame, and the left ends of the front and rear groups of adsorption slats 4 are supported, communicated and welded with a diversion tank 401; a suction air pipe 402 penetrates through and is welded at the left position of the arc outer wall of the arc-shaped shell 1, and the suction air pipe 402 is communicated with two shunt tanks 401 through two threaded hoses; the left and right ends of the two middle adsorption laths 4 are symmetrically supported and welded with four positioning lug plates 403; the stress push plate 5 is of an integral T-shaped structure and is integrally connected and arranged on the left end sections of the four adsorption slat 4; the sliding seats 502 are formed by supporting and welding a left shaft collar and a right shaft collar, two supporting and connecting shafts are welded between the left end sections of the front and rear groups of adsorption laths 4 at intervals, and the two sliding seats 502 are correspondingly limited and sleeved on the four supporting and connecting shafts.
Further, the crooked radian of two arc cardboard 3 is the same with the arch arc of arc magnet 7, and arc magnet 7 about both ends section correspond the card insert in the draw-in groove of two arc cardboard 3 head ends and press from both sides to lean on to be located about between two sets of baffles 302, the total length of arc magnet 7 has been prolonged at the both ends of arc magnet 7 to two arc cardboard 3 joints, make the slip orbit of cloth wind ring 6 of four places can extend to both ends about arc magnet 7, be favorable to implementing the heating to the outer eaves about arc magnet 7, avoid keeping away from the center because of arc magnet 7 outer end and cause the hourglass heating, the insufficient condition of heating.
Furthermore, the four adsorption strip plates 4 are in a middle arched left-right horizontal structure, and the front and rear two groups of adsorption strip plates 4 are pushed by springs of the four positioning ear plates 403 to slide on the two cross support positioning shafts 101; all seted up a suction gap on the bottom wall board of adsorbing slat 4 everywhere, and adsorb slat 4 everywhere about the horizontal segment paste nearly top arrange in arc shell 1 bottom about the top of horizontal inner wall, the top of overhead in arc shell 1 bottom arc inner wall is pressed close to the middle hunch-up section of adsorbing slat 4 everywhere, two sets of front and back adsorb slat 4 can intermittent type nature around reciprocal slip in opposite directions clean deposit dust down on arc shell 1 bottom inner wall implement and adsorb the clearance, this trouble of leaving out artifical clearance, be favorable to arc shell 1 to keep clean, it is convenient to make the inside clean high efficiency of arc shell 1.
Further, atress push pedal 5 includes connecting rod 501 and sliding seat 502, it supports to rotate to be the splayed on the back muscle pole of atress push pedal 5 and is connected with two connecting rods 501, these two connecting rods 501 tail ends all rotate and are connected with a sliding seat 502, atress push pedal 5, two connecting rods 501 and two sliding seats 502, a two connecting rod slider mechanism has been constituteed jointly, through this mechanism and cooperate the epaxial two springs of left side stull location to use together, only need the top according to atress push pedal 5 just can order about around two sets of absorption slat 4 reciprocating sliding carry out comparatively comprehensive absorption cleanness to the inner wall of arc shell 1 bottom, clean result of use preferred.
Further, the air distribution ring 6 comprises a brush ring 601, an air supply flat pipe 602, a hot air inlet pipe 603 and an arc-shaped connecting plate 604; the middle parts of the top ends of the four wind distribution rings 6 are welded and communicated with a wind supply flat pipe 602, and the middle positions of the bottoms of the four wind distribution rings 6 are electrically welded and connected with an arc-shaped connecting plate 604; the flat pipe 602 of air supply and hot-blast entering have brush ring 601 everywhere between the pipe 603 still at interval welding, and the right side position of the arc outer wall of arc shell 1 runs through the welding and has a hot-blast pipe 603 that advances, flat pipe 602 of air supply and arc connecting plate 604 can form a carriage with brush ring 601 interval staggered connection everywhere cloth wind ring 6 and everywhere together, this carriage can also be implemented to the sticky dust on the arc magnet 7 and clean when sliding and blowing the heating, a tractor serves several purposes, can effectively reduce the sticky stock of dust on the arc magnet 7, save artifical regular clear up arc magnet 7, time saving and labor saving.
Further, the air distribution ring 6 and the brush ring 601 are both in a rectangular four-corner arc bending transition structure, the air distribution ring 6 is hollow inside, a circle of rectangular air ports are formed in the four inner walls of the air distribution ring 6 at equal intervals, the hot air inlet pipe 603 is correspondingly communicated with the air supply flat pipe 602 through a spiral elastic heat-resistant hose, and the air distribution ring 6 is sleeved on the arc magnet 7 and can be used for conducting blowing heating of 360 degrees without dead angles.
Further, the four brushing rings 601 are arranged among the four air distribution rings 6 in rows, and nylon brushes are fixed on the inner rings of the four brushing rings 601 through magic tapes; the left end of the arc-shaped connecting plate 604 is obliquely and rightly opposite to the stressed push plate 5 at intervals; the arc outer wall on flat tub of air supply 602 top sets up the rack, and sector gear 201 corresponds this rack rotary contact meshing, and sector gear 201 cooperates the spring on two places arc track poles 301 to use together can be through the meshing transmission with flat tub of air supply 602, orders about four cloth wind ring 6 and brush ring 601 and carries out reciprocating sliding.
The heating principle is as follows: the device is integrally arranged on an annular scanning cylinder of nuclear magnetic resonance equipment, an external electric heating air source is connected into an air supply flat pipe 602 before use, when the temperature of an arc-shaped magnet 7 is reduced in use, a control system starts an external hot air device and a motor 2, external hot air is distributed to four air distribution rings 6 through the air supply flat pipe 602, and the four air distribution rings 6 blow the hot air on the arc-shaped magnet 7 in 360 degrees through air outlets on the inner ring of the air distribution rings 6 to heat; meanwhile, the motor 2 can drive the sector gear 201 to rotate, the sector gear 201 is matched with springs on two arc-shaped track rods 301 to be used together, and can drive the four air distribution rings 6 and the brush ring 601 to slide in a left-right reciprocating manner through meshing transmission with the air supply flat pipe 602, the ring sleeves of the four air distribution rings 6 are blown to be matched with the left-right reciprocating sliding motion of the ring sleeves, so that each part of the arc-shaped magnet 7 can be blown and heated, the arc-shaped magnet 7 is heated comprehensively and uniformly, the heating process is repeated and finished, and the used hot air is discharged through two rows of air outlet grooves in the front outer wall and the rear outer wall of the arc-shaped shell 1;
the flat air supply pipes 602 and the arc-shaped connecting plates 604 connect the four air distribution rings 6 and the four brush rings 601 at intervals in a staggered manner to form a sliding frame, the sliding frame can sweep dust adhered to the arc-shaped magnet 7 while performing sliding blowing heating, and the swept dust is deposited on the inner wall of the bottom of the arc-shaped shell 1;
cleaning principle: before using, the dust suction pipe of the external handheld dust collector is connected into the suction air pipe 402, when in use, through the stress push plate 5, the double-link slider mechanism formed by the two connecting rods 501 and the two sliding seats 502 together and used together with the two springs on the left cross brace positioning shaft 101, under the linkage of the air supply flat pipe 602, the arc-shaped connecting plate 604 can be in sliding push contact with the stress push plate 5 to drive the front and back two groups of adsorption slats 4 to slide back and forth to perform comprehensive adsorption cleaning on the inner wall of the bottom of the arc-shaped shell 1, and the cleaning use effect is better.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. A kind of nuclear magnetic resonance apparatus magnet temperature control device, characterized by: the electric vacuum cleaner comprises a motor (2), an arc-shaped clamping plate (3), an adsorption strip plate (4) and a stress push plate (5), wherein the motor (2) comprises a sector gear (201), the middle of the top end of an arc-shaped shell (1) is provided with the motor (2) in a supporting mode, and a sector gear (201) is sleeved on a rotating shaft of the motor (2); the arc-shaped shell (1) comprises a cross-brace positioning shaft (101); two cross brace positioning shafts (101) are symmetrically supported and welded at the root positions of the left side and the right side of the inner space of the arc-shaped shell (1); the arc-shaped clamping plates (3) comprise arc-shaped track rods (301) and baffles (302), the two arc-shaped clamping plates (3) are symmetrically locked and supported and installed at the left side and the right side of the front inner wall and the rear inner wall of the arc-shaped shell (1), the two arc-shaped track rods (301) are symmetrically welded between the two arc-shaped clamping plates (3), and the four wind distribution rings (6) are arranged at equal intervals and are sleeved on the two arc-shaped track rods (301); the head ends of the two arc-shaped clamping plates (3) are respectively provided with a clamping groove, two ends of the two clamping grooves are respectively and symmetrically welded with two baffles (302), and the arc-shaped magnet (7) is clamped and arranged between the two arc-shaped clamping plates (3); the adsorption lath (4) comprises a shunt tank (401) and a suction air pipe (402); the adsorption laths (4) are arranged in four positions in a row, wherein a front adsorption frame is formed by supporting and connecting two positions on the front side, a rear adsorption frame is formed by supporting and connecting two positions on the rear side, and the left ends of the front and rear groups of adsorption laths (4) are supported, communicated and welded with a shunt tank (401); a suction air pipe (402) penetrates through and is welded at the left side position of the arc outer wall of the arc shell (1), and the suction air pipe (402) is communicated with two shunt tanks (401) through two threaded hoses; the left end and the right end of the adsorption strip plate (4) at the middle two positions are symmetrically supported and welded with four positioning lug plates (403); the stress push plate (5) is of an integral T-shaped structure and is integrally connected and installed on the left end sections of the four adsorption strip plates (4).
2. The temperature control device for the magnet of the nuclear magnetic resonance equipment according to claim 1, characterized in that: the bending radian of the two arc-shaped clamping plates (3) is the same as the arch arc of the arc-shaped magnet (7), and the sections at the left end and the right end of the arc-shaped magnet (7) are correspondingly clamped and inserted into the clamping grooves at the head ends of the two arc-shaped clamping plates (3) and clamped between the left group of baffle plates and the right group of baffle plates (302).
3. The temperature control device for the magnet of the nuclear magnetic resonance equipment according to claim 1, characterized in that: the four adsorption laths (4) are in a horizontal structure with the middle arched and the left and the right horizontal structures, and the front and the back two groups of adsorption laths (4) are pushed by springs of four positioning lug plates (403) to be sleeved and slid on the two cross support positioning shafts (101); all seted up a suction gap on the bottom wall board of adsorbing slat (4), and the horizontal segment is close to the top and is arranged in the top of horizontal inner wall about arc shell (1) bottom about the horizontal segment is close to in all places adsorbs slat (4), and the middle hunch-up section of adsorbing slat (4) is pressed close to the top of overhead in the top of arc shell (1) bottom arc inner wall all around.
4. The temperature control device for the magnet of the nuclear magnetic resonance equipment according to claim 1, characterized in that: the stress push plate (5) comprises a connecting rod (501) and a sliding seat (502), the back rib rod of the stress push plate (5) is in a splayed shape, is supported and is rotatably connected with the connecting rod (501), and the tail ends of the two connecting rods (501) are rotatably connected with the sliding seat (502).
5. The temperature control device for the magnet of the nuclear magnetic resonance equipment according to claim 4, wherein: the sliding seats (502) are formed by supporting and welding a left shaft ring and a right shaft ring, two supporting and connecting shafts are welded between the left end sections of the front and the rear groups of adsorption laths (4) at intervals, and the two sliding seats (502) are correspondingly limited and sleeved on the four supporting and connecting shafts.
6. The temperature control device for the magnet of the nuclear magnetic resonance equipment according to claim 1, characterized in that: the air distribution ring (6) comprises a brush ring (601), an air supply flat pipe (602), a hot air inlet pipe (603) and an arc-shaped connecting plate (604); the middle parts of the top ends of the four wind distribution rings (6) are welded and communicated with a wind supply flat pipe (602), and the middle parts of the bottoms of the four wind distribution rings (6) are welded and connected with an arc-shaped connecting plate (604); the brush rings (601) are welded between the air supply flat pipe (602) and the hot air inlet pipe (603) at intervals, and the hot air inlet pipe (603) is welded at one position on the right side of the arc outer wall of the arc-shaped shell (1) in a penetrating manner.
7. The temperature control device for the magnet of the nuclear magnetic resonance equipment according to claim 1, characterized in that: the air distribution ring (6) and the brush ring (601) are both in a rectangular four-corner arc bending transition structure, the air distribution ring (6) at four positions is hollow, a circle of rectangular air ports are formed in the inner walls of four sides at equal intervals, and the hot air inlet pipe (603) is correspondingly communicated with the air supply flat pipe (602) through a spiral elastic heat-resistant hose; .
8. The temperature control device for the magnet of the nuclear magnetic resonance equipment according to claim 6, wherein: the four brush rings (601) are arranged among the four air distribution rings (6) in rows, and nylon brushes are fixed on the inner rings of the four brush rings (601) through magic tapes; the left end of the arc-shaped connecting plate (604) is obliquely and rightly opposite to the stressed push plate (5) at intervals; the arc outer wall on flat air supply pipe (602) top sets up the rack, and hangs down sector gear (201) and corresponds this rack rotary contact meshing.
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| CN202010845568.9A CN111983535A (en) | 2020-08-20 | 2020-08-20 | Magnet temperature control device of nuclear magnetic resonance equipment |
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