Coil winding installation method for pushing switch component in ultra-fast air valve

Abstract

The invention provides a coil winding installation method for pushing a switch component in an ultra-fast air valve, and relates to the field of ultra-fast air valves. The coil winding and mounting method for pushing the switch component comprises the following steps: step 1) winding a wire body by using a special mold; (2) a coil is pre-installed in a reserved groove in an ultra-fast air valve base; (3) the coil is installed in a reserved groove in the ultra-fast air valve base; and 4) installing an insulating spacer above the coil, and performing sealing treatment on the coil. According to the coil obtained through the coil winding method, in the gas injection process of the plasma gun ultra-fast gas valve, through pulse discharging of the coil, a moving part can be pushed to be rapidly opened, and under the combined action of the coil and other parts, the opening and closing time of the ultra-fast gas valve can be controlled within 100 microseconds.

Description

Technical Field

[0001] The invention relates to the field of ultrafast gas valves, in particular to a method for winding and installing a coil used for pushing a switch component in an ultrafast gas valve. Background Art

[0002] In the plasma jet driven magneto-inertial fusion technology in the field of nuclear fusion, neutral gas is often injected between the inner and outer electrodes of a plasma gun through an ultrafast gas valve, and breaks down under high voltage to produce plasma. Under the powerful thrust generated by the large current between the electrodes, the plasma is accelerated in the barrel until it is ejected at an extremely high speed (tens of kilometers or even hundreds of kilometers per second).

[0003] The plasma mass generated between the two electrodes of the plasma gun needs to be compact and dense, so that the plasma mass ejected from the muzzle can achieve the required mass and high density, high speed, high temperature and small core radius. To achieve this goal, the neutral gas injected into the barrel before ionization also needs to be compact and dense, so the diffusion time inside the electrode needs to be shortened as much as possible. Therefore, the gas injection duration of the ultrafast gas valve should be shortened as much as possible.

[0004] Relying on pulse discharge to promote the rapid opening of ultra-fast gas valve switch components is a feasible technical route. This requires the use of a discharge coil to drive the switch component.

[0005] In summary, it is urgently necessary to develop a method for manufacturing and installing a coil so that the coil can be used on an ultrafast gas valve with a switching time of less than 100 μs. Summary of the invention

[0006] In order to solve the above problems, the first aspect of the present invention provides a method for winding and installing a coil for pushing a switch component in an ultrafast gas valve. The coil obtained by the coil winding method provided by the present invention can control the switching time of the ultrafast gas valve within 100μs.

[0007] The present invention provides a method for winding and installing a coil for pushing a switch component in an ultrafast gas valve, comprising the following steps:

[0008] Step 1) Winding the wire body with a special mold;

[0009] Step 2) pre-install the coil in a reserved groove on the base of the ultrafast gas valve;

[0010] Step 3) Install the coil in the reserved groove on the base of the ultrafast gas valve;

[0011] Step 4) Install an insulating gasket above the coil and seal the coil.

[0012] Step 1) also includes that the special mold includes a prefabricated base, a base gasket and a first pressing plate,

[0013] Step 1-1) installing the prefabricated base on the winding shaft;

[0014] Step 1-2) placing the base gasket in the limiting step of the prefabricated base;

[0015] Step 1-3) Place the wire body on the base gasket;

[0016] Step 1-4) Installing the first pressing plate on the winding shaft;

[0017] Step 1-5) The prefabricated base is rotated along the winding axis, and glue is applied to the wire body at intervals to wind the wire body and form a coil;

[0018] Step 1-6) Using a first pressing plate to press the coil and the base gasket, the two are bonded and maintained for a period of time;

[0019] Step 1-7) Loosen the first clamping plate, remove the coil and the base gasket together, and peel off the coil and the base gasket.

[0020] In some implementation steps, in step 1-3), two first penetration holes are provided in the base gasket, and two second penetration holes are provided at the bottom of the limiting step, and one end of the wire body is passed through a group of corresponding first penetration holes and second penetration holes in sequence;

[0021] In step 1-3), the wire used is a polyimide enameled copper wire with a diameter of 1 to 1.4 mm;

[0022] In step 1-3), the coil used has a withstand voltage in air of >10 kV;

[0023] In step 1-4), the first clamping plate is mounted on the winding shaft and fixed by bolts;

[0024] In step 1-5), the glue used is metal adhesive or 502 glue;

[0025] In step 1-5), glue is applied on the coil at intervals of 1 to 2 cm;

[0026] In step 1-5), the number of turns of the coil formed after the wire body is wound is 3 to 5;

[0027] In step 1-5), the remaining end of the wire body after winding is sequentially inserted into another set of corresponding first through holes and second through holes;

[0028] In step 1-6), the first clamping plate and the prefabricated base are fixed using a first fastener;

[0029] In step 1-6), the coil and the base gasket are pressed by a first pressing plate to make them adhere to each other and maintain the adhesion for more than 20 minutes;

[0030] In step 1-6), check the adhesion between the coil and the base gasket so that the coil and the base gasket are not deformed or separated after releasing the first clamping plate;

[0031] In step 1-6), the material of the first pressing plate is PEEK;

[0032] In step 1-7), the coil and the base gasket are peeled off, and the original fixed position of the coil is kept during the peeling process;

[0033] In step 1-7), check the gap and uniformity of each coil turn, and scrap those that do not meet the requirements;

[0034] In step 1-7), after peeling off the coil and base gasket, clean off the excess glue on the coil.

[0035] Step 2) also includes:

[0036] Step 2-1) A reserved groove is provided on the top of the ultrafast gas valve base, and the coil is embedded in the reserved groove on the ultrafast gas valve base;

[0037] Step 2-2) Two third penetration holes are provided at the bottom of the reserved slot, and it is checked whether the two ends of the coil can normally penetrate the two third penetration holes in the reserved slot;

[0038] Step 2-3) Check whether the coil can fit accurately with the side wall of the reserved groove.

[0039] Step 3) also includes:

[0040] Step 3-1) Ensure that both ends of the coil pass through the two third penetration holes in the reserved groove respectively, and the coil is kept at a distance from the inner bottom surface of the reserved groove of the ultra-fast gas valve base, and glue is applied to the gap between the coil and the reserved groove of the ultra-fast gas valve base;

[0041] Step 3-2) Use a second clamping plate to fix the coil and the reserved groove.

[0042] In some implementation steps, in step 3-1), the material of the ultrafast gas valve base 2 is PEEK;

[0043] In step 3-1), the ultrafast air valve base is installed on a horizontal platform;

[0044] In step 3-1), ensure that the coil is 1 to 2 cm away from the inner bottom surface of the reserved groove;

[0045] In step 3-1), apply the glue evenly to ensure that the glue can fill the gaps in the reserved grooves;

[0046] In step 3-1), the glue used is metal adhesive or 502 glue;

[0047] In step 3-2), the material of the second pressing plate is PEEK;

[0048] In step 3-2), a second clamping plate is used to fix the coil and the reserved groove of the ultrafast gas valve base, and maintained for more than 24 hours;

[0049] In step 3-2), after the coil and the reserved groove are fixed by the second pressing plate, the upper edge of the coil is flush with the upper edge of the outer wall of the reserved groove;

[0050] In step 3-2), a second fastener is used to fix the second clamping plate and the ultrafast gas valve base.

[0051] Step 4) also includes:

[0052] Step 4-1) The insulating gasket is located above the coil, and the insulating gasket is fixed above the coil using a second pressing plate;

[0053] Step 4-2) The sealing groove at the bottom of the ultrafast gas valve base is sealed.

[0054] In some implementation steps, in step 4-1), the thickness of the insulating spacer used is 1 to 2 mm;

[0055] In step 4-1), the insulating gasket used is made of fluororubber or silicone;

[0056] In step 4-1), the insulating gasket is fixed on the top of the coil using a second pressing plate for more than 24 hours;

[0057] In step 4-1), after the insulating gasket is fixed on the top of the coil using the second pressing plate, the upper edge of the coil is flush with the upper edge of the inner wall of the reserved groove, and the outer edge of the insulating gasket is flush with the outer wall of the reserved groove;

[0058] In step 4-1), a second fastener is used to fix the second clamping plate and the ultrafast gas valve base.

[0059] In some implementation steps, in step 4-2), glue is used for sealing, and the glue is any one of metal adhesive, 502 glue or Torr seal glue;

[0060] In step 4-2), the diameter of the sealing groove is 12 to 14 mm and the depth is 8 to 12 mm;

[0061] In step 4-2), place the sealing groove horizontally with the notch facing upwards, apply glue fully inside the seal and let it stand for more than 24 hours.

[0062] The second aspect of the present invention provides a special mold for coil winding, including a special mold, the special mold including a prefabricated base, a base gasket and a first clamping plate, the top periphery of the prefabricated base is provided with a limiting step, the base gasket is detachably arranged on the limiting step, two first through holes are provided in the base gasket, and two second through holes are provided at the bottom of the limiting step; a rotating shaft hole is provided in the prefabricated base, the rotating shaft hole is used to pass the winding rotating shaft, and the first clamping plate is used to clamp the coil and the base gasket.

[0063] The present invention provides a method for winding and installing a coil for pushing a switch component in an ultrafast gas valve, which has the following beneficial effects: the coil obtained by the coil winding method provided by the present invention can push the moving component to open quickly through the pulse discharge of the coil during the gas injection process of the plasma gun ultrafast gas valve, and under the joint action of other components, such as under the conditions of a capacitor capacitance of 72μF and a charging voltage of 2-3kV, and the inductance of the discharge loop is controlled at an acceptable level, the discharge process is controlled to a half-cycle length of less than 40μs, and is used together with a matching reset mechanism such as a specially developed disc spring, the push-out time of the moving component can be controlled within 50μs, and the return time can also be controlled within 50μs, the sum of the two is the switching time of the ultrafast gas valve, and it can be controlled within 100μs. BRIEF DESCRIPTION OF THE DRAWINGS

[0064] Figure 1 It is a cross-sectional view of the Chinese coil of the present invention when it is in a special mold.

[0065] Figure 2 It is a cross-sectional view of the first through hole and the second through hole in the present invention.

[0066] Figure 3 It is a schematic structural diagram of the prefabricated base and the first pressing plate in the present invention.

[0067] Figure 4 It is a cross-sectional view of the base gasket and the coil in the ultrafast air valve base of the present invention.

[0068] Figure 5 It is a cross-sectional view of the coil and the insulating gasket in the ultrafast air valve base of the present invention.

[0069] Figure 6 It is a structural schematic diagram of the ultrafast gas valve base in the present invention.

[0070] Figure 7 It is a top view of the reserved groove in the present invention.

[0071] Reference numerals

[0072] Special mold 1

[0073] Prefabricated base 11

[0074] Limit step 11.1

[0075] Second penetration hole 11.2

[0076] Shaft hole 11.3

[0077] Base gasket 12

[0078] First penetration hole 12.1

[0079] First pressing plate 13

[0080] Ultra-fast valve base 2

[0081] Reserved slot 21

[0082] The third through hole 21.1

[0083] Seal groove 21.2

[0084] Second pressing plate 22

[0085] Insulation gasket 23

[0086] Coil 3 DETAILED DESCRIPTION

[0087] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in the field without creative work belong to the scope of protection of the present invention. In the description of the present invention, it should be noted that the orientation or position relationship indicated by the terms "left side", "right side", "upper side", "lower side", "above", "below" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0088] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0089] Furthermore, in the description of the present invention, unless otherwise specified, “plurality” means two or more.

[0090] Before describing the coil winding and installation method for pushing the switch component in the ultrafast gas valve, the structure involved in the coil winding and installation method is described first to facilitate understanding of the coil winding and installation method provided by the present invention.

[0091] The present invention provides a special mold for coil winding, Figure 1 to Figure 3 The special mold includes a prefabricated base 11, a base gasket 12 and a first clamping plate 13. The top periphery of the prefabricated base 11 is provided with a limiting step 11.1. The base gasket 12 is detachably arranged on the limiting step 11.1. The first clamping plate 13 is used to clamp the coil 3 and the base gasket 12. The cross-sectional shapes of the limiting step 11.1 and the base gasket 12 are both annular. The bottom surface and the inner wall of the base gasket 12 are respectively fitted with the bottom surface and the inner wall of the limiting step 11.1 to ensure that the outer wall of the base gasket 12 can be exposed. The base gasket 12 is provided with two first through holes 12.1, and the bottom of the limiting step 11.1 is provided with two second through holes 11.2. After the base gasket 12 is placed on the limiting step 11.1, the first through holes 12.1 and the second through holes 11.2 correspond to each other and are connected. The first through holes 12.1 and the second through holes 11.2 are used to allow both ends of the coil 3 to pass through the base gasket 12 and the limiting step 11.1, and in the process of winding the wire, one end of the wire can first pass through the corresponding first through holes 12.1 and second through holes 11.2, so that one end of the wire is relatively fixed to facilitate the winding of the coil 3. The prefabricated base 11 is provided with a shaft hole 11.3, and the shaft hole 11.3 is used to pass through the winding shaft. After the prefabricated base 11 passes through the winding shaft, the prefabricated base 11 can rotate along the winding shaft.

[0092] The embodiment of the present invention provides an ultrafast gas valve, Figures 4 to 6 , including an ultrafast gas valve base 2, the top of the ultrafast gas valve base 2 is provided with a reserved groove 21, see in particular Figure 7In a preferred embodiment, the cross section of the reserved groove 21 is in the shape of an involute, and the inner wall of the reserved groove 21 is in contact with the innermost circle and the outermost circle of the coil 3 respectively. Two third penetration holes 21.1 are provided at the bottom of the reserved groove 21. The positions of the two third penetration holes 21.1 relative to the reserved groove 21 and the position of the second penetration hole 11.2 relative to the limiting step 11.1 should be consistent. A sealing groove 21.2 is provided at the bottom of the ultrafast air valve base 2. The sealing groove 21.2 is connected to the two third penetration holes 21.1. The third penetration hole 21.1 is used to allow the two ends of the coil 3 to pass through the ultrafast air valve base 2 to prevent the two ends of the coil 3 from affecting the sealing. The sealing groove 21.2 is used to apply a metal adhesive to seal the outlet end of the third penetration hole 21.1 to ensure that the ultrafast air valve can be installed in the vacuum container for at least 10 -4 Pa absolute vacuum pressure. Figure 5 The ultrafast gas valve base 2 also includes a second pressing plate 22 and an insulating gasket 23 . The insulating gasket 23 is located above the coil 3 . The second pressing plate 22 is used to press the coil 3 and the insulating gasket 23 .

[0093] The embodiment of the present invention provides a method for winding and installing a coil for pushing a switch component in an ultrafast gas valve, comprising the following steps:

[0094] Step 1) Winding the wire body with a special mold 1;

[0095] Step 2) pre-install the coil 3 in the reserved groove 21 on the ultrafast gas valve base 2;

[0096] Step 3) Install the coil 3 in the reserved groove 21 on the ultrafast valve base 2; After step 3) is completed, the assembly effect is as follows Figure 4 As shown;

[0097] Step 4) Install the insulating gasket 23 above the coil 3 and seal the coil 3; After step 4) is completed, assemble as shown in Figure 5 As shown;

[0098] The embodiment of the present invention provides a method for winding and installing a coil for pushing a switch component in an ultrafast gas valve, wherein step 1) further includes:

[0099] Step 1-1) Install the prefabricated base 11 on the winding shaft; when installing the prefabricated base 11, pass the winding shaft through the shaft hole 11.3 in the prefabricated base 11 so that the prefabricated base 11 can rotate along the winding shaft, and the diameter of the shaft hole is usually 4 to 8 mm.

[0100] Step 1-2) placing the base gasket 12 in the limiting step 11.1 of the prefabricated base 11;

[0101] Step 1-3) placing the wire body on the base gasket 12;

[0102] Step 1-4) Install the first clamping plate 13 on the winding shaft; a gap for wire winding is formed between the bottom surface of the first clamping plate 13 and the bottom surface of the limiting step 11.1, and the gap should be large enough to expose the outer wall of the base gasket 12 and the tube wall of the wire to ensure that the wire can be wound. In addition, the first clamping plate 13 should not be clamped when the wire is wound, and the clamping process of the coil 3 should be carried out after the wire winding is completed.

[0103] Step 1-5) the prefabricated base 11 is rotated along the winding axis, and glue is applied to the wire at intervals, and the wire is wound to form a coil 3;

[0104] Step 1-6) Use the first pressing plate 13 to press the coil 3 and the base gasket 12 so that the two are bonded and maintained for a period of time.

[0105] Step 1-7) Loosen the first clamping plate 13, remove the coil 3 and the base gasket 12 together, and peel off the coil 3 and the base gasket 12.

[0106] In some embodiments of step 1-3), the base gasket 12 is provided with two first through holes 12.1, the bottom of the limiting step 11.1 is provided with two second through holes 11.2, and one end of the wire body is passed through a group of corresponding first through holes 12.1 and second through holes 11.2 in sequence;

[0107] In some embodiments of step 1-3), the diameter of the first through hole 12.1 is 1-2 mm, and the diameter of the second through hole 11.2 is 1-2 mm.

[0108] In some embodiments of step 1-3), the coil 3 used is a polyimide enameled copper wire material with a diameter of 1 to 1.4 mm.

[0109] In some embodiments of step 1-3), the withstand voltage of the coil 3 used in air is greater than 10 kV.

[0110] In some embodiments of steps 1-4), the first clamping plate 13 is mounted on the winding shaft and fixed by bolts;

[0111] In some embodiments of step 1-5), glue is applied on the thread body at intervals of 1 to 2 cm.

[0112] In some embodiments of step 1-5), the glue used is metal adhesive or 502 glue.

[0113] In some embodiments of step 1-5), the number of turns of the coil 3 formed after the wire is wound is 3 to 5.

[0114] In some embodiments of step 1-5), the remaining end of the wire body after winding is sequentially inserted into another group of corresponding first through holes 12.1 and second through holes 11.2.

[0115] In some embodiments of steps 1-6), a first fastener is used to fix the first clamping plate 13 and the prefabricated base 11; wherein the first fastener is a combination of M6 bolts and nuts, and is inserted from the rotary shaft to ensure that the coil 3 is pressed against the base gasket 12 and solidified together with the glue.

[0116] In some embodiments of step 1-6), the first pressing plate 13 is used to press the coil 3 and the base gasket 12 so that the two are bonded and maintained for more than 20 minutes.

[0117] In some embodiments of steps 1-6), the adhesion between the coil 3 and the base gasket 12 is checked so that the coil 3 and the base gasket 12 are not deformed or separated after the first clamping plate 13 is released, that is, each turn of the coil 3 is ensured to be well fixed.

[0118] In some embodiments of step 1-6), the material of the first pressing plate 13 is PEEK.

[0119] In some embodiments of step 1-7), the coil 3 and the base gasket 12 are peeled off, and the original fixed position of the coil 3 is kept so as not to be scattered. The coil 3 and the base gasket 12 are peeled off as slowly as possible to reduce the risk of the coil 3 being scattered.

[0120] In some embodiments of step 1-7), the gap and uniformity of each turn of the coil 3 are checked, and those that do not meet the requirements are scrapped.

[0121] In some embodiments of steps 1-7), after the coil 3 and the base gasket 12 are peeled off, the excess glue on the coil 3 is cleaned to provide good conditions for the next step of pre-installation.

[0122] The embodiment of the present invention provides a method for winding and installing a coil 3 for pushing a switch component in an ultrafast gas valve, wherein step 2) further includes:

[0123] Step 2-1) embedding the coil 3 into the reserved groove 21 on the ultrafast gas valve base 2. Preferably, the coil 3 is embedded slowly;

[0124] Step 2-2) Check whether the two ends of the coil 3 can normally penetrate the two third penetration holes 21.1 in the reserved slot 21;

[0125] Step 2-3) Check whether the coil 3 can accurately fit the side wall of the reserved groove 21.

[0126] The embodiment of the present invention provides a method for winding and installing a coil for pushing a switch component in an ultrafast gas valve, wherein step 3) further includes:

[0127] Step 3-1) Ensure that both ends of the coil 3 pass through the two third penetration holes 21.1 in the reserved groove 21 respectively, and the coil 3 maintains a distance from the inner bottom surface of the reserved groove 21 of the ultrafast air valve base 2, and glue is applied to the gap between the coil 3 and the inner bottom surface of the reserved groove 21 of the ultrafast air valve base 2.

[0128] Step 3-2) Use the second pressing plate 22 to fix the coil 3 and the reserved groove 21.

[0129] In some embodiments of step 3-1), the material of the ultrafast gas valve base 2 is PEEK.

[0130] In some embodiments of step 3-1), the ultrafast gas valve base 2 is installed on a horizontal platform to ensure the stability of the ultrafast gas valve base 2.

[0131] In some embodiments of step 3-1), the diameter of the third through hole is 1-2 mm.

[0132] In some embodiments of step 3-1), the coil 3 is ensured to maintain a distance of 1 to 2 cm from the inner bottom surface of the reserved groove 21 .

[0133] In some embodiments of step 3-1), the glue is applied evenly to ensure that the glue can fill the gap of the reserved groove 21; wherein, the volume of glue required for application can be estimated according to the design drawing, and the amount of glue can be accurately controlled using a syringe or a dropper.

[0134] In some embodiments of step 3-1), the glue used is metal adhesive or 502 glue.

[0135] In some embodiments of step 3-2), the second pressing plate 22 is made of PEEK.

[0136] In some embodiments of step 3-2), the coil 3 and the reserved groove 21 are fixed by a second pressing plate 22 and maintained for more than 24 hours.

[0137] In some embodiments of step 3-2), after the coil 3 is fixed in the reserved groove 21 using the second pressing plate 22 , the upper edge of the coil 3 is flush with the upper edge of the outer wall of the reserved groove 21 .

[0138] In some embodiments of step 3-2), a second fastener is used to fix the second clamping plate 22 and the ultrafast gas valve base 2; wherein, the second clamping plate 22 and the ultrafast gas valve base 2 are respectively provided with a through hole with a diameter of 6 mm, and the second fastener is a combination of M6 bolts and nuts, and is inserted from the through holes on the second clamping plate 22 and the ultrafast gas valve base 2 to ensure the fixation between the second fastener and the ultrafast gas valve base 2, thereby playing the role of clamping the coil 3.

[0139] The embodiment of the present invention provides a method for winding and installing a coil for pushing a switch component in an ultrafast gas valve, wherein step 4) further includes:

[0140] In step 4-1), the insulating gasket 23 is fixed on top of the coil 3 using the second clamping plate 22. If the second clamping plate 22 is used to clamp the coil 3 in the previous step 3-2), the second clamping plate 22 and the ultrafast gas valve base 2 should be separated before starting step 4-1); wherein the insulating gasket 23 has the function of isolating high voltage on the one hand, and has the function of buffering and absorbing shock on the other hand, so as to prevent the coil 3 and the ultrafast gas valve base 2 from being damaged by impact when the moving parts of the ultrafast gas valve are reset.

[0141] Step 4-2) The sealing groove 21.2 at the bottom of the ultrafast gas valve base 2 is sealed.

[0142] In some embodiments of step 4-1), the thickness of the insulating spacer 23 used is 1-2 mm.

[0143] In some embodiments of step 4-1), the insulating gasket 23 is made of fluororubber or silicone.

[0144] In some embodiments of step 4-1), the insulating gasket 23 is fixed on the top of the coil 3 using the second pressing plate 22 for more than 24 hours;

[0145] In some embodiments of step 4-1), after the insulating gasket 23 is fixed above the coil 3 using the second clamping plate 22, the upper edge of the coil 3 is flush with the upper edge of the inner wall of the reserved groove 21, and the outer edge of the insulating gasket 23 is flush with the outer wall of the reserved groove 21.

[0146] In some embodiments of step 4-1), a second fastener is used to fix the second clamping plate 22 and the ultrafast gas valve base 2; wherein, the second clamping plate 22 and the ultrafast gas valve base 2 are respectively provided with a through hole with a diameter of 6 mm, and the second fastener is a combination of M6 bolts and nuts, and is inserted from the through holes on the second clamping plate 22 and the ultrafast gas valve base 2 to ensure the fixation between the second fastener and the ultrafast gas valve base 2, thereby playing the role of clamping the coil 3 and the insulating gasket 23.

[0147] In some embodiments of step 4-2), glue is used for sealing, and the glue is any one of metal adhesive, 502 glue or Torr seal glue.

[0148] In some embodiments of step 4-2), the sealing groove 21.2 has a diameter of 12-14 mm and a depth of 8-12 mm.

[0149] In some embodiments of step 4-2), the sealing groove 21.2 is placed horizontally with the notch facing upwards, and glue is fully applied inside the seal and allowed to stand for more than 24 hours.

[0150] Embodiment 1

[0151] Step 1) Winding the coil 3 with a special mold 1;

[0152] Step 1-1) Install the prefabricated base 11 on the winding shaft. When installing the prefabricated base 11, the winding shaft is passed through the shaft hole 11.3 in the prefabricated base 11 so that the prefabricated base 11 can rotate along the winding shaft, and the diameter of the shaft of the shaft hole is 6mm.

[0153] Step 1-2) Place the base gasket 12 in the limiting step 11 . 1 of the prefabricated base 11 .

[0154] Step 1-3) Place a 1-1.4 mm polyimide enameled copper wire on the base gasket 12; insert one end of the enameled copper wire into the first through hole 12.1 and the second through hole 11.2;

[0155] Step 1-4) Install the first clamping plate 13 on the winding shaft and fasten it with bolts; at this time, a gap for winding the coil 3 is left between the bottom surface of the first clamping plate 13 and the top surface of the base gasket 12.

[0156] Step 1-5) The prefabricated base 11 rotates along the winding axis, and glue is applied to the enameled copper wire at intervals, and the enameled copper is wound to form a coil 3. The withstand voltage of the enameled copper wire in air is greater than 10 kV; glue is applied to the enameled copper wire at intervals of 1 cm; the glue used is a metal adhesive, the diameter of the first penetration hole 12.1 is 1.5 mm, and the diameter of the second penetration hole 11.2 is 1.5 mm; the number of turns of the coil 3 formed after the enameled copper wire is wound is 4; the other end of the enameled copper wire is also inserted into the first penetration hole 12.1 and the second penetration hole 11.2.

[0157] Step 1-6) Use the first clamping plate 13 to clamp the coil 3 and the base gasket 12, so that the two are bonded and maintained for a period of time. Among them, the first clamping plate 13 and the prefabricated base 11 are fixed with the first fastener, and the first fastener adopts an M6 bolt and nut combination. The first fastener adopts an M6 bolt and nut combination; the clamping plate is used to clamp the coil 3 and the base gasket 12, so that the two are bonded and maintained for more than 20 minutes; ensure that each turn of the enameled copper wire can be well fixed, and it will not deform or fall off after the clamping plate is released; the material of the first clamping plate 13 is PEEK.

[0158] Step 1-7) Loosen the pressing plate, remove the coil 3 and the base gasket 12 together, and peel off the coil 3 and the base gasket 12. Slowly peel off the coil 3 and the base gasket 12, and keep the original fixed position of the coil 3 from loosening during peeling; check the gap and uniformity of each turn of the coil 3, and scrap it if it is not satisfied; after peeling off the coil 3 and the base gasket 12, remove the excess glue on the coil 3 to provide good conditions for the next step of pre-installation.

[0159] Step 2) pre-install the coil 3 in the reserved groove 21 on the ultrafast gas valve base 2.

[0160] Step 2-1) Slowly embed the coil 3 into the reserved groove 21 on the ultrafast gas valve base 2.

[0161] Step 2-2) Check whether the two ends of the coil 3 can normally penetrate the third penetration hole 21 . 1 in the reserved slot 21 .

[0162] Step 2-3) Check whether the coil 3 can fit accurately with the reserved groove 21.

[0163] Step 3) Install the coil 3 in the reserved groove 21 on the ultrafast gas valve base 2.

[0164] Step 3-1) Ensure that both ends of the coil 3 pass through the third penetration hole 21.1 in the reserved groove 21, and the coil 3 maintains a distance from the inner bottom surface of the reserved groove 21 in the ultrafast valve base 2, and glue is applied to the gap between the coil 3 and the reserved groove 21 of the ultrafast valve base 2. Among them, the material of the ultrafast valve base 2 is PEEK; the ultrafast valve base 2 is installed on a horizontal platform; the diameter of the third penetration hole 21.1 is 1.5mm; ensure that the coil 3 maintains a distance of 1 to 2cm from the inner bottom surface of the reserved groove 21; when applying glue, it is necessary to ensure that the glue can fill the gap of the reserved groove 21; the glue used is a metal adhesive. Conventional methods of gluing can be used, such as injection, pre-coating before the main body of the coil 3 is placed in the reserved groove 21, etc.

[0165] Step 3-2) Use the second clamping plate 22 to fix the coil 3 and the reserved groove 21. The material of the second clamping plate 22 is PEEK; 12 second fasteners are used to fix the second clamping plate 22 and the ultrafast valve base 2. The second clamping plate 22 and the ultrafast valve base 2 are respectively provided with 12 through holes with a diameter of 6 mm, and the second fasteners are a combination of M6 bolts and nuts; Use the second clamping plate 22 to fix the coil 3 and the reserved groove 21, and keep it for more than 24 hours; After the second clamping plate 22 is used to fix the coil 3 in the reserved groove 21, the upper edge of the coil 3 is flush with the upper edge of the outer wall of the reserved groove 21.

[0166] Step 4) Install an insulating gasket 23 above the coil 3 and seal the coil 3.

[0167] Step 4-1) First separate the second clamping plate 22 and the ultrafast gas valve base 2, then install the insulating gasket 23 above the coil 3, and then use the second clamping plate 22 to fix the insulating gasket 23 above the coil 3; wherein, the thickness of the insulating gasket 23 used is 1mm; the material of the insulating gasket 23 used is fluororubber; the second clamping plate 22 is used to fix the insulating gasket 23 above the coil 3 for more than 24 hours; after the insulating gasket 23 is fixed above the coil 3 using the second clamping plate 22, the upper edge of the coil 3 is flush with the upper edge of the inner wall of the reserved groove 21, and the outer edge of the insulating gasket 23 is flush with the outer wall of the reserved groove 21; 12 second fasteners are used to fix the second clamping plate 22 and the ultrafast gas valve base 2, and 12 through holes with a diameter of 6mm are respectively provided on the second clamping plate 22 and the ultrafast gas valve base 2, and the second fasteners are a combination of M6 bolts and nuts.

[0168] Step 4-2) The sealing groove 21.2 at the bottom of the ultrafast air valve base 2 is sealed. The sealing is performed with glue, which is a metal adhesive; the diameter of the sealing groove 21.2 is 10 mm and the depth is 10 mm; the sealing groove 21.2 is placed horizontally with the notch facing upward, and the metal adhesive is fully applied inside the seal and left to stand for more than 24 hours.

[0169] The coil obtained by the coil winding method provided in this embodiment can promote the rapid opening of the moving parts through the pulse discharge of the coil during the gas injection process of the ultrafast gas valve of the plasma gun, and under the joint action of other parts, such as under the conditions of a capacitor capacitance of 72μF and a charging voltage of 2-3kV, the discharge loop inductance is controlled at an acceptable level, the discharge process is controlled to a half-cycle length of less than 40μs, and is used together with a matching reset mechanism such as a specially developed disc spring. The push-out time of the moving parts can be controlled within 50μs, and the return time can also be controlled within 50μs. The sum of the two is the switching time of the ultrafast gas valve, which can be controlled within 100μs.

[0170] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. A method for winding and installing a coil for pushing a switch component in an ultrafast gas valve, characterized in that: The steps include: Step 1) Winding the wire body with a special mold; Step 2) pre-install the coil in a reserved groove on the base of the ultrafast gas valve; Step 3) Install the coil in the reserved groove on the base of the ultrafast air valve; Step 4) Install an insulating gasket above the coil and seal the coil.

2. According to the method for winding and installing the coil for pushing the switch component in the ultrafast gas valve of claim 1, step 1) further comprises: The special mold includes a prefabricated base, a base gasket and a first pressing plate. Step 1-1) installing the prefabricated base on the winding shaft; Step 1-2) placing the base gasket in the limiting step of the prefabricated base; Step 1-3) Place the wire body on the base gasket; Step 1-4) Installing the first pressing plate on the winding shaft; Step 1-5) The prefabricated base is rotated along the winding axis, and glue is applied to the wire body at intervals to wind the wire body and form a coil; Step 1-6) Using a first pressing plate to press the coil and the base gasket, the two are bonded and maintained for a period of time; Step 1-7) Loosen the first clamping plate, remove the coil and the base gasket together, and peel off the coil and the base gasket.

3. The method for winding and installing a coil for pushing a switch component in an ultrafast gas valve according to claim 2, further comprising any one or more of the following conditions: A1), in step 1-3), the base gasket is provided with two first through holes, the bottom of the limiting step is provided with two second through holes, and one end of the wire body is passed through a group of corresponding first through holes and second through holes in sequence; A2), in step 1-3), the wire used is a polyimide enameled copper wire of 1 to 1.4 mm; A3), in step 1-3), the withstand voltage of the coil used in air is greater than 10kV; A4), in step 1-4), the first clamping plate is mounted on the winding shaft and fixed by bolts; A5), in step 1-5), the glue used is metal adhesive or 502 glue; A6), in step 1-5), glue is applied on the coil at intervals of 1 to 2 cm; A7), in step 1-5), the number of turns of the coil formed after the wire body is wound is 3 to 5 turns; A8), in step 1-5), the remaining end of the wire body after winding is sequentially inserted into another set of corresponding first through holes and second through holes; A9), in step 1-6), using a first fastener to fix the first clamping plate and the prefabricated base; A10), in step 1-6), use a first pressing plate to press the coil and the base gasket, so that the two are bonded and maintained for more than 20 minutes; A11), in step 1-6), check the adhesion between the coil and the base gasket so that the coil and the base gasket are not deformed or separated after releasing the first clamping plate; A12), in step 1-6), the material of the first pressing plate is PEEK; A13), in step 1-7), the coil and the base gasket are peeled off, and the original fixed position of the coil is kept during the peeling process; A14), in steps 1-7), check the gap and uniformity of each turn of the coil, and scrap those that do not meet the requirements; A15), in step 1-7), after peeling off the coil and base gasket, remove the excess glue on the coil.

4. According to the method for winding and installing the coil for pushing the switch component in the ultrafast gas valve of claim 1, step 2) further comprises: Step 2-1) A reserved groove is provided on the top of the ultrafast gas valve base, and the coil is embedded in the reserved groove on the ultrafast gas valve base; Step 2-2) Two third penetration holes are provided at the bottom of the reserved slot, and it is checked whether the two ends of the coil can normally penetrate the two third penetration holes in the reserved slot; Step 2-3) Check whether the coil can fit accurately with the side wall of the reserved groove.

5. According to the method for winding and installing the coil for pushing the switch component in the ultrafast gas valve of claim 1, step 3) further comprises: Step 3-1) ensure that both ends of the coil pass through the two third penetration holes in the reserved groove respectively, and the coil is kept at a distance from the inner bottom surface of the reserved groove of the ultra-fast gas valve base, and glue is applied to the gap between the coil and the inner bottom surface of the reserved groove of the ultra-fast gas valve base; Step 3-2) Use a second clamping plate to fix the coil and the reserved groove.

6. The method for winding and installing a coil for pushing a switch component in an ultrafast gas valve according to claim 5, further comprising any one or more of the following conditions: B1), in step 3-1), the material of the ultrafast gas valve base 2 is PEEK; B2), in step 3-1), the ultrafast gas valve base is installed on a horizontal platform; B3), in step 3-1), ensure that the coil is 1 to 2 cm away from the inner bottom surface of the reserved groove; B4), in step 3-1), apply the glue evenly to ensure that the glue can fill the gaps in the reserved grooves; B5), in step 3-1), the glue used is metal adhesive or 502 glue; B6), in step 3-2), the material of the second pressing plate is PEEK; B7), in step 3-2), use a second clamping plate to fix the coil and the reserved groove of the ultrafast valve base, and keep it for more than 24 hours; B8), in step 3-2), after the coil and the reserved groove are fixed by the second pressing plate, the upper edge of the coil is flush with the upper edge of the outer wall of the reserved groove; B9), in step 3-2), use a second fastener to fix the second clamping plate and the ultrafast gas valve base.

7. The method for winding and installing a coil for pushing a switch component in an ultrafast gas valve according to claim 1, wherein step 4) further comprises: Step 4-1) The insulating gasket is located above the coil, and the insulating gasket is fixed above the coil using a second pressing plate; Step 4-2) The sealing groove at the bottom of the ultrafast gas valve base is sealed.

8. The method for winding and installing a coil for pushing a switch component in an ultrafast gas valve according to claim 7, further comprising any one or more of the following conditions: C1), in step 4-1), the thickness of the insulating gasket used is 1 to 2 mm; C2), in step 4-1), the material of the insulating gasket used is fluororubber or silicone; C3), in step 4-1), use a second pressing plate to fix the insulating gasket on the top of the coil for more than 24 hours; C4), in step 4-1), after the insulating gasket is fixed on the top of the coil using the second pressing plate, the upper edge of the coil is flush with the upper edge of the inner wall of the reserved groove, and the outer edge of the insulating gasket is flush with the outer wall of the reserved groove; C5), in step 4-1), use a second fastener to fix the second clamping plate and the ultrafast gas valve base.

9. The method for winding and installing a coil for pushing a switch component in an ultrafast gas valve according to claim 7, further comprising any one or more of the following conditions: D1), in step 4-2), glue is used for sealing, and the glue is any one of metal adhesive, 502 glue or Torr seal glue; D2), in step 4-2), the diameter of the sealing groove is 12 to 14 mm and the depth is 8 to 12 mm; D3), ​​in step 4-2), place the sealing groove with the notch facing upward and horizontally, apply glue inside the seal and let it stand for more than 24 hours.

10. A special mold for coil winding, characterized in that: The invention comprises a special mould (1), wherein the special mould (1) comprises a prefabricated base (11), a base gasket (12) and a first pressing plate (13); a limiting step (11.1) is provided on the top of the prefabricated base (11); the base gasket (12) is detachably arranged in the limiting step (11.1); two first penetration holes (12.1) are provided in the base gasket (12); and two second penetration holes (11.2) are provided at the bottom of the limiting step (11.1); a rotating shaft hole (11.3) is provided in the prefabricated base (11); the rotating shaft hole (11.3) is used to pass a winding rotating shaft; and the first pressing plate (13) is used to press the coil (3) and the base gasket (12).

Images