Magnetic induction component processing method and magnetic induction element

Abstract

The present invention provides a magnetic induction component processing method and a magnetic induction element, belonging to the field of material technology, wherein the method comprises the following steps: processing a soft magnetic alloy raw material that has not been subjected to vacuum heat treatment into a product blank; placing the product blank in a vacuum quenching furnace; heating and preserving the product blank for the first time in the vacuum quenching furnace to remove impurities on the surface of the product blank to obtain a first-stage blank; heating and preserving the first-stage blank for the second time in the vacuum quenching furnace to make the first-stage blank undergo a Y-a phase transformation to obtain a second-stage blank; cooling and preserving the second-stage blank in the vacuum quenching furnace to stabilize the a phase of the second-stage blank to form grains to obtain a third-stage blank; and rapidly cooling the third-stage blank in the vacuum quenching furnace to obtain a magnetic induction component. The present invention can solve the problems in the prior art that the magnetic induction intensity of the element cannot be increased and adjusted when processing the magnetic induction element.

Description

Technical Field

[0001] The present invention relates to the field of material technology, and more specifically, to a magnetic induction component processing method and a magnetic induction element. Background Art

[0002] Soft magnetic alloy (1J22) is a high saturation magnetic induction intensity iron-cobalt-vanadium soft magnetic alloy containing 50% Co, and is widely used in acoustic modules.

[0003] Heat treatment is the main process technology to ensure the magnetic induction strength of soft magnetic alloys. The acoustic module components require the magnetic induction strength B (T) to be as high as possible, but the raw materials are all cold-rolled strips. The magnetic induction strength is increased by heat treatment, isothermal annealing and magnetic field support during the strip preparation process.

[0004] In the soft magnetic alloy (1J22) industry, the traditional heat treatment isothermal annealing process is: heating to 850-900℃ in an atmosphere-protected resistance furnace, keeping warm for 3-6 hours, cooling to 750℃ at a rate of 50-100℃ / h, and then cooling to below 300℃ at a rate of 180-240℃ / h before taking out of the furnace. The magnetic induction intensity already exists at the raw material stage and cannot be increased or adjusted. In addition, there are certain differences in the magnetic induction intensity between batches of raw materials, which causes certain differences in the sound effects of the acoustic module. Summary of the invention

[0005] In view of the above problems, the purpose of the present invention is to provide a magnetic induction component processing method and a magnetic induction element, so as to solve the problem in the prior art that the magnetic induction strength of magnetic induction components such as acoustic module components already exists in the raw material stage and cannot be enhanced or adjusted, and there is a certain difference in the magnetic induction strength between batches of raw materials, which causes a certain difference in the sound effects of the acoustic module.

[0006] The present invention provides a method for processing a magnetic induction component, comprising the following steps:

[0007] Processing the soft magnetic alloy raw material which has not been subjected to vacuum heat treatment into product blanks;

[0008] Placing the product blank in a vacuum quenching furnace;

[0009] The product blank is heated and kept warm for the first time in the vacuum quenching furnace to remove impurities on the surface of the product blank to obtain a first-stage blank;

[0010] Heating and maintaining the first-stage blank for a second time in the vacuum quenching furnace so that the first-stage blank undergoes a Ya phase transformation to obtain a second-stage blank;

[0011] The second-stage blank is cooled and kept in the vacuum quenching furnace to stabilize the a phase of the second-stage blank to form grains, thereby obtaining a third-stage blank;

[0012] By introducing protective gas into the vacuum quenching furnace and rapidly cooling the third-stage blank in the vacuum quenching furnace, a magnetic induction component is obtained when the preset furnace exit temperature is reached.

[0013] In addition, a preferred solution is that in the process of processing the soft magnetic alloy raw material that has not been subjected to vacuum heat treatment into a product blank, the soft magnetic alloy raw material is made into a product blank by stamping.

[0014] In addition, a preferred solution is that the insulation temperature of the first heating and insulation is 540±30°C.

[0015] In addition, a preferred solution is that the insulation time of the first heating and insulation is 60±20 minutes.

[0016] In addition, a preferred solution is that the insulation temperature of the second heating and insulation is 850°C-880°C.

[0017] In addition, a preferred solution is that the insulation time for the second heating and insulation is 180±30 minutes.

[0018] In addition, a preferred solution is that the insulation temperature of the cooling and insulation is 720°C-780°C.

[0019] In addition, a preferred solution is that the temperature reduction and heat preservation time is 60±20 minutes.

[0020] In addition, a preferred solution is that in the process of obtaining the magnetic induction component by introducing protective gas into the vacuum quenching furnace and rapidly cooling the third stage blank in the vacuum quenching furnace to reach a preset furnace exit temperature,

[0021] The protective gas is nitrogen;

[0022] The pressure in the vacuum quenching furnace is 1.3 Bar-10 Bar;

[0023] The rapid cooling rate is 180-220°C / h;

[0024] The preset furnace temperature is 60-100°C.

[0025] In addition, a preferred solution is to use the magnetic induction component processing method as described above to process the soft magnetic alloy material into a magnetic induction element.

[0026] It can be seen from the above technical scheme that the magnetic induction component processing method and magnetic induction element provided by the present invention are obtained by processing the soft magnetic alloy raw material that has not been subjected to vacuum heat treatment into a product blank, and then performing a first heating and heat preservation, a second heating and heat preservation, a cooling and heat preservation, and a rapid cooling treatment in sequence. The dirt and impurities on the surface of the soft magnetic alloy material, and the removal of the surface grease after cleaning have a great influence on the magnetic induction intensity. Therefore, after the first heating and heat preservation, the impurities on the surface of the product blank can be removed, and the magnetic induction intensity of the product can be effectively improved; the magnetic properties of the soft magnetic alloy material and the grain size of the product after heat treatment The size is directly related to the grain size. The larger the grain size, the higher the magnetism. The material is a single-phase solid solution of a body-centered cubic lattice. Therefore, the first-stage blank can undergo a Ya phase transition through a second heating and insulation treatment, and then combined with cooling and insulation treatment, the a phase in the second-stage blank can be stabilized to avoid the transition from disorder to order. Thus, the grain size range of the product can be effectively controlled by the insulation temperature of the second heating and insulation and cooling and insulation. Then, the corresponding production and processing can be carried out according to the magnetic induction intensity requirements of the magnetic induction components (such as acoustic modules) to meet the different requirements of magnetic induction intensity of acoustic components and other magnetic induction components. The present invention can effectively solve the problem in the prior art that the strength of magnetic induction components such as acoustic module components cannot be improved and adjusted during processing, and there are differences in magnetic induction intensity between batches of raw materials, resulting in differences in the sound effects of the acoustic module.

[0027] In order to achieve the above and related purposes, one or more aspects of the present invention include the features that will be described in detail later. The following description and the accompanying drawings describe some exemplary aspects of the present invention in detail. However, these aspects indicate only some of the various ways in which the principles of the present invention can be used. In addition, the present invention is intended to include all these aspects and their equivalents. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] By referring to the following description in conjunction with the accompanying drawings, and with a more complete understanding of the present invention, other objects and results of the present invention will become more apparent and easily understood.

[0029] Figure 1 The figure is a flow chart of a method for processing a magnetic induction component according to an embodiment of the present invention. DETAILED DESCRIPTION

[0030] In the following description, for the purpose of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. However, it is apparent that these embodiments may also be implemented without these specific details.

[0031] In view of the problem that in the above-mentioned prior art, the magnetic induction strength of magnetic induction components such as acoustic module components already exists at the raw material stage and cannot be improved or adjusted, and there are certain differences in the magnetic induction strength between batches of raw materials, which causes certain differences in the sound effects of the acoustic module, a magnetic induction component processing method and a magnetic induction element are proposed.

[0032] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0033] In order to illustrate the magnetic sensing component processing method and the magnetic sensing element provided by the present invention, Figure 1 The flowchart of the method for processing a thermosetting composite material magnetic induction component according to an embodiment of the present invention is shown.

[0034] like Figure 1 As shown, the magnetic induction component processing method provided by the present invention comprises the following steps:

[0035] Step S1, processing the soft magnetic alloy raw material which has not been subjected to vacuum heat treatment into a product blank.

[0036] Specifically, in the prior art, when processing magnetic induction components, taking the components of the acoustic module as an example, the soft magnetic alloy strips that have undergone heat treatment, isothermal annealing and magnetic field blessing are generally directly processed into components. The magnetic induction intensity already exists in the raw material stage, so the strength cannot be improved or adjusted, and there are certain differences in the magnetic induction intensity between batches of raw materials, which also causes certain differences in the sound effects of the acoustic module. Based on this, the present invention uses soft magnetic alloy raw materials that have not undergone vacuum heat treatment to process product blanks, and then vacuum heat treats the product blanks to effectively control the magnetic induction intensity and maximize the magnetic induction intensity of 1J22.

[0037] As a preferred embodiment of the present invention, in the process of processing the soft magnetic alloy raw material which has not been subjected to vacuum heat treatment into a product blank,

[0038] The soft magnetic alloy raw material is made into product blanks by stamping.

[0039] Specifically, taking the components of the acoustic module as an example, the soft magnetic alloy raw materials are processed by stamping when they are made into product blanks, which can achieve high-speed, mass production, high precision, and high material utilization. However, it should be noted that the present invention does not specifically limit the method of processing the raw materials into blanks.

[0040] Step S2: placing the product blank in a vacuum quenching furnace.

[0041] Specifically, the product blank is placed in a vacuum quenching furnace for a vacuum heat treatment process. During the vacuum heat treatment process, the insulation temperature of the blank is controlled in stages, and the range of the magnetic induction intensity can be controlled according to the requirements for the magnetic induction intensity of the product.

[0042] Step S3, heating and maintaining the product blank for the first time in a vacuum quenching furnace to remove impurities on the surface of the product blank to obtain a first-stage blank.

[0043] Specifically, dirt and impurities on the surface of the soft magnetic alloy material, as well as the removal of surface grease after cleaning, have a great influence on the magnetic induction intensity of the product. Therefore, the first heating and insulation temperature is set to remove surface debris from the product blank to obtain the first-stage blank.

[0044] As a preferred embodiment of the present invention, the insulation temperature of the first heating and insulation is 540±30°C.

[0045] As a preferred embodiment of the present invention, the first heating and heat preservation time is 60±20 minutes.

[0046] Specifically, after a large number of experimental verification and analysis, the temperature for removing impurities from the surface of the soft magnetic alloy material determined by the present invention is controlled at 510-570°C, and the insulation time is 60±20 minutes. Too high or too low insulation temperature will have an adverse effect on the product. However, it should be noted that it is also feasible to change the temperature in a small range based on this insulation temperature, for example, 509°C, 570.5°C, etc., and the present invention does not make a strict limitation on this.

[0047] Step S4, heating and maintaining the first-stage blank for a second time in a vacuum quenching furnace so as to cause the first-stage blank to undergo a Ya phase transformation to obtain a second-stage blank.

[0048] Specifically, the 1J22 soft magnetic material is a single-phase solid solution of a body-centered cubic lattice. When the temperature is raised to a certain level, a Ya phase transition will occur. In the technical solution of the present invention, the second heating and heat preservation is performed to ensure that the first-stage blank can undergo a Ya phase transition.

[0049] As a preferred embodiment of the present invention, the insulation temperature of the second heating and insulation is 850°C-880°C.

[0050] As a preferred embodiment of the present invention, the second heating and heat preservation time is 180±30 minutes.

[0051] Specifically, after a large number of experimental verifications and analyses, the soft magnetic alloy material is a single-phase solid solution of a body-centered cubic lattice, and the Ya phase transformation effect is best at 850°C-880°C. Too high or too low will have an adverse effect on the product. However, it should be noted that it is also feasible to change the temperature in a small range based on this insulation temperature, for example, 849°C, 880.5°C, etc., and the present invention does not make a strict limitation on this.

[0052] Step S5, cooling and maintaining the second-stage blank in a vacuum quenching furnace to stabilize the a phase of the second-stage blank to form grains, thereby obtaining a third-stage blank.

[0053] Specifically, after the a phase of the second-stage blank is stabilized, it is necessary to cool down and keep it warm for a certain period of time. The cooling and keeping temperature combined with the second heating and keeping temperature has an important influence on the grain size of the product. The magnetism of the product is directly related to the grain size of the product. The larger the grain size, the higher the magnetism. Therefore, in the second heating and keeping stage and the cooling and keeping stage, the grain size can be controlled by adjusting the process parameters, thereby controlling the magnetic induction intensity of the product.

[0054] As a preferred embodiment of the present invention, the insulation temperature of the cooling and insulation is 720°C-780°C.

[0055] As a preferred embodiment of the present invention, the temperature reduction and heat preservation time is 60±20 minutes.

[0056] Specifically, after a large number of experimental verifications and analyses, it was found that during the cooling and insulation stage of soft magnetic alloy materials, if the cooling and insulation temperature is lower than 720°C, the a phase will change from disordered to ordered, causing the material to become more brittle, with reduced magnetism, and even brittle fracture and turn into powder.

[0057] Step S6, by introducing protective gas into the vacuum quenching furnace and rapidly cooling the third stage blank in the vacuum quenching furnace, when the preset furnace exit temperature is reached, a magnetic induction component is obtained.

[0058] As a preferred embodiment of the present invention, in the process of obtaining the magnetic induction component by introducing protective gas into the vacuum quenching furnace and rapidly cooling the third stage blank in the vacuum quenching furnace to reach the preset furnace exit temperature,

[0059] The protective gas is nitrogen;

[0060] The pressure in the vacuum quenching furnace is 1.3Bar-10Bar;

[0061] The rapid cooling rate is 180-220℃ / h;

[0062] The preset oven temperature is 60-100℃.

[0063] Specifically, the protective gas is preferably but not limited to nitrogen, and may also be other inert gases such as argon. Nitrogen is preferred because of its low price. The pressure in the vacuum quenching furnace is preferably but not limited to 1.3 Bar-10 Bar, and further preferably 1.3 Bar-3 Bar.

[0064] The magnetic induction element provided by the present invention is obtained by processing the soft magnetic alloy material into the magnetic induction element using the magnetic induction component processing method of the present invention as described above.

[0065] In order to better explain the magnetic sensing component processing method provided by the present invention in detail, the following examples are given:

[0066] The components of the acoustic module are processed using the same soft magnetic alloy raw material that has not undergone vacuum heat treatment. According to the size requirements of the components, eleven groups of product blanks are stamped out by stamping, and the number of product blanks in each group is ten.

[0067] Example 1

[0068] The first group of product blanks were placed in a vacuum quenching furnace, first heated to 540°C and kept in vacuum for 60 minutes, then heated to 850°C and kept in vacuum for 180 minutes, then cooled to 750°C and kept in vacuum for 60 minutes, and finally nitrogen was introduced into the vacuum quenching furnace. After rapidly cooling to 70°C at a rate of 200°C / h at a pressure of 1.3 Bar, the first group of components were obtained.

[0069] The grain size and performance of each component in the first group of components were measured and the following average data were obtained:

[0070] The grain size of components is 100-140um;

[0071] The low frequency dB is 72.36 and the high frequency dB is 88.92.

[0072] Example 2

[0073] The second group of product blanks were placed in a vacuum quenching furnace, first heated to 510°C and kept in vacuum for 60 minutes, then heated to 850°C and kept in vacuum for 180 minutes, and then cooled to 750°C for 60 minutes. Finally, nitrogen was introduced into the vacuum quenching furnace, and the second group of components were obtained after rapid cooling to 70°C at a rate of 200°C / h under a pressure of 1.3 Bar.

[0074] The grain size and performance of each component in the second group of components were measured and the following average data were obtained:

[0075] The grain size of components is 100-140um;

[0076] The low frequency dB is 72.36 and the high frequency dB is 88.92.

[0077] Example 3

[0078] The third group of product blanks were placed in a vacuum quenching furnace, first heated to 570°C and kept in vacuum for 60 minutes, then heated to 850°C and kept in vacuum for 180 minutes, and then cooled to 750°C for 60 minutes. Finally, nitrogen was introduced into the vacuum quenching furnace, and the third group of components were obtained after rapid cooling to 70°C at a rate of 200°C / h under a pressure of 1.3 Bar.

[0079] The grain size and performance of each component in the third group of components were measured and the following average data were obtained:

[0080] The grain size of components is 110-140um;

[0081] The low frequency dB is 72.28 and the high frequency dB is 88.78.

[0082] Example 4

[0083] The fourth group of product blanks were placed in a vacuum quenching furnace, first heated to 540°C and kept in vacuum for 60 minutes, then heated to 850°C and kept in vacuum for 180 minutes, and then cooled to 720°C for 60 minutes. Finally, nitrogen was introduced into the vacuum quenching furnace, and rapidly cooled to 70°C at a rate of 200°C / h under a pressure of 1.3 Bar to obtain the fourth group of components.

[0084] The grain size and performance of each component in the fourth group of components were measured and the following average data were obtained:

[0085] The grain size of components is 110-140um;

[0086] The low frequency dB is 72.10 and the high frequency dB is 88.62.

[0087] Example 5

[0088] The fifth group of product blanks were placed in a vacuum quenching furnace, first heated to 540°C and kept in vacuum for 60 minutes, then heated to 850°C and kept in vacuum for 180 minutes, and then cooled to 780°C for 60 minutes. Finally, nitrogen was introduced into the vacuum quenching furnace, and rapidly cooled to 70°C at a rate of 200°C / h under a pressure of 1.3 Bar to obtain the fifth group of components.

[0089] The grain size and performance of each component in the fifth group of components were measured and the following average data were obtained:

[0090] The grain size of components is 100-140um;

[0091] The low frequency dB is 72.48 and the high frequency dB is 89.62.

[0092] Example 6

[0093] The sixth group of product blanks were placed in a vacuum quenching furnace, first heated to 540°C and kept in vacuum for 60 minutes, then heated to 865°C and kept in vacuum for 180 minutes, and then cooled to 750°C for 60 minutes. Finally, nitrogen was introduced into the vacuum quenching furnace, and rapidly cooled to 70°C at a rate of 200°C / h under a pressure of 1.3 Bar to obtain the sixth group of components.

[0094] The grain size and performance of each component in the sixth group of components were measured and the following average data were obtained:

[0095] The grain size of components is 110-160um;

[0096] The low frequency dB is 72.56 and the high frequency dB is 89.66.

[0097] Example 7

[0098] The seventh group of product blanks were placed in a vacuum quenching furnace, first heated to 540°C and kept in vacuum for 60 minutes, then heated to 880°C and kept in vacuum for 180 minutes, and then cooled to 750°C for 60 minutes. Finally, nitrogen was introduced into the vacuum quenching furnace, and the seventh group of components was obtained after rapid cooling to 70°C at a rate of 200°C / h under a pressure of 1.3 Bar.

[0099] The grain size and performance of each component in the seventh group of components were measured and the following average data were obtained:

[0100] The grain size of components is 130-180um;

[0101] The low frequency dB is 72.65 and the high frequency dB is 89.80.

[0102] Comparative Example 1

[0103] The eighth group of product blanks were placed in a vacuum quenching furnace, heated to 850°C, and kept in vacuum for 180 minutes. Nitrogen was introduced into the vacuum quenching furnace, and rapidly cooled to 70°C at a rate of 200°C / h at a pressure of 1.3 Bar to obtain the eighth group of components.

[0104] The grain size and performance of each component in the eighth group of components were measured and the following average data were obtained:

[0105] The grain size of components is 50-70um;

[0106] The low frequency dB is 71.11 and the high frequency dB is 88.23.

[0107] Comparative Example 2

[0108] The ninth group of product blanks were placed in a vacuum quenching furnace, heated to 850°C, and kept in vacuum for 180 minutes. The furnace temperature was then cooled to 750°C and kept for 120 minutes. Nitrogen was then introduced into the vacuum quenching furnace. Under a pressure of 1.3 Bar, the blanks were rapidly cooled to 70°C at a rate of 200°C / h to obtain the ninth group of components.

[0109] The grain size and performance of each component in the ninth group of components were measured and tested, and the following average data were obtained:

[0110] The grain size of components is 80-110um;

[0111] The low frequency dB is 72.22 and the high frequency dB is 88.62.

[0112] Comparative Example 3

[0113] The tenth group of product blanks were placed in a vacuum quenching furnace, first heated to 540°C and kept in vacuum for 60 minutes, then heated to 900°C and kept in vacuum for 180 minutes, and then cooled to 750°C for 60 minutes. Finally, nitrogen was introduced into the vacuum quenching furnace, and rapidly cooled to 70°C at a rate of 200°C / h under a pressure of 1.3 Bar to obtain the tenth group of components.

[0114] The product becomes brittle, forms fragments and loses its strength.

[0115] Comparative Example 4

[0116] The eleventh group of product blanks were placed in a vacuum quenching furnace, first heated to 540°C and kept in vacuum for 60 minutes, then heated to 850°C and kept in vacuum for 180 minutes, and then cooled to 710°C for 60 minutes. Finally, nitrogen was introduced into the vacuum quenching furnace, and rapidly cooled to 70°C at a rate of 200°C / h under a pressure of 1.3 Bar to obtain the eleventh group of components.

[0117] The product becomes brittle, forms fragments and loses its strength.

[0118] The magnetic induction intensity B(T) of the product of the present invention is indirectly reflected by the low-frequency and high-frequency performance dB (decibel), and the two are in a linear relationship.

[0119] Therefore, through the comparison of the grain size and performance of the products obtained in the above embodiments and the comparative examples, it can be known that the component products processed by the magnetic induction component processing method provided by the present invention are processed through surface cleaning treatment, and the parameter settings of the second heating and heat preservation and cooling and heat preservation to avoid the transformation of the a phase from disorder to order, so that the sound effect of the obtained acoustic module components can be maximized, as shown in Example 7.

[0120] It can be seen from Example 1 and Example 5 and Example 1 and Example 6 that by changing the temperature parameters of the second heating and insulation and cooling and insulation, the grain size range of the components can be effectively controlled, so that corresponding production and processing can be carried out according to the magnetic induction intensity requirements of the acoustic module to meet the different requirements of the acoustic components for magnetic induction intensity.

[0121] It should be noted that the above specific implementations are only for the purpose of verifying the effects of the magnetic sensing component processing method and the magnetic sensing element provided by the present invention in actual experimental processes, and do not limit the technical solutions provided by the present invention.

[0122] It can be seen from the above specific embodiments that the magnetic induction component processing method and the magnetic induction element provided by the present invention are to obtain the magnetic induction component by processing the soft magnetic alloy raw material that has not been subjected to vacuum heat treatment into a product blank, and then sequentially performing a first heating and heat preservation, a second heating and heat preservation, a cooling and heat preservation, and a rapid cooling treatment. The dirt and impurities on the surface of the soft magnetic alloy material, and the removal of the surface grease after cleaning have a great influence on the magnetic induction intensity. Therefore, after the first heating and heat preservation, the impurities on the surface of the product blank can be removed, and the magnetic induction intensity of the product can be effectively improved. The magnetic properties of the soft magnetic alloy material and the crystallinity of the product after heat treatment The grain size is directly related to the magnetism. The larger the grain size, the higher the magnetism. The material is a single-phase solid solution of a body-centered cubic lattice. Therefore, the first-stage blank can undergo a Ya phase transition through a second heating and insulation treatment, and then combined with cooling and insulation treatment, the a phase in the second-stage blank can be stabilized to avoid the transition from disorder to order. The grain size range of the product can be effectively controlled by the insulation temperature of the second heating and insulation and cooling and insulation, and then the corresponding production and processing can be carried out according to the magnetic induction intensity requirements of the magnetic induction components (such as acoustic modules) to meet the different requirements of magnetic induction intensity of magnetic induction components such as acoustic components. The present invention can effectively solve the problem in the prior art that the strength of magnetic induction components such as acoustic module components cannot be improved and adjusted during processing, and there are differences in magnetic induction intensity between batches of raw materials, resulting in differences in the sound effects of the acoustic module.

[0123] As described above, the magnetic sensing component processing method and the magnetic sensing element proposed in the present invention are described by way of example with reference to the accompanying drawings. However, those skilled in the art should understand that various improvements can be made to the magnetic sensing component processing method and the magnetic sensing element proposed in the present invention without departing from the content of the present invention. Therefore, the protection scope of the present invention should be determined by the content of the attached claims.

Claims

1. A method for processing a magnetic induction component, characterized in that: The steps include: Processing the soft magnetic alloy raw material which has not been subjected to vacuum heat treatment into product blanks; Placing the product blank in a vacuum quenching furnace; The product blank is heated and kept warm for the first time in the vacuum quenching furnace to remove impurities on the surface of the product blank to obtain a first-stage blank; Heating and maintaining the first-stage blank for a second time in the vacuum quenching furnace so that the first-stage blank undergoes a Ya phase transformation to obtain a second-stage blank; The second-stage blank is cooled and kept in the vacuum quenching furnace to stabilize the a phase of the second-stage blank to form grains, thereby obtaining a third-stage blank; By introducing protective gas into the vacuum quenching furnace and rapidly cooling the third-stage blank in the vacuum quenching furnace, a magnetic induction component is obtained when the preset furnace exit temperature is reached.

2. The method for processing a magnetic induction component according to claim 1, characterized in that: In the process of processing the soft magnetic alloy raw material which has not been subjected to vacuum heat treatment into a product blank, The soft magnetic alloy raw material is made into a product blank by stamping.

3. The method for processing a magnetic induction component according to claim 1, characterized in that: The insulation temperature of the first heating and insulation is 540±30°C.

4. The method for processing a magnetic induction component according to claim 1, characterized in that: The first heating and heat preservation time is 60±20 minutes.

5. The method for processing a magnetic induction component according to claim 1, characterized in that: The insulation temperature of the second heating and insulation is 850°C-880°C.

6. The method for processing a magnetic induction component according to claim 1, characterized in that: The second heating and heat preservation time is 180±30 minutes.

7. The method for processing a magnetic induction component according to claim 1, characterized in that: The insulation temperature of the cooling and heat preservation is 720°C-780°C.

8. The method for processing a magnetic induction component according to claim 1, characterized in that: The temperature reduction and heat preservation time is 60±20 minutes.

9. The method for processing a magnetic induction component according to claim 1, characterized in that: In the process of introducing protective gas into the vacuum quenching furnace and rapidly cooling the third stage blank in the vacuum quenching furnace to obtain the magnetic induction component when the preset furnace exit temperature is reached, The protective gas is nitrogen; The pressure in the vacuum quenching furnace is 1.3 Bar-10 Bar; The rapid cooling rate is 180-220°C / h; The preset furnace temperature is 60-100°C.

10. A magnetic sensing element, characterized in that: The soft magnetic alloy material is processed into a magnetic sensing element by using the magnetic sensing component processing method as described in any one of claims 1 to 9.

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