JPH058966U - Magnetoelectric conversion element holder - Google Patents

Abstract

(57) [Abstract] [Purpose] The main body of the magnetoelectric conversion element can be installed at an accurate position, and moreover, the magnetoelectric conversion element can be automatically mounted on a substrate. [Structure] The main body 210 of the hall element 200 is installed at a predetermined position, and two flat plate portions, that is, four
Flat plate portion 110 with two grooves 111a to 111d, and flat plate portion 120 connected with the flat plate portion with groove 110 and the hinge portion 130.
Are formed integrally with each other, and the interval between the start ends of the insertion holes formed by the grooves 111a to 111d is set according to the interval between the lead parts 220 of the Hall element 200 to be held, and the interval between the end parts. Is set wider than the above interval.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  The present invention is for installing the main body of a magnetoelectric conversion element such as a Hall element in a predetermined position. The present invention relates to a holder for a magnetoelectric conversion element.

[0002]

[Prior art]

  In the following description, the Hall element used in the brushless motor is referred to as the magnetoelectric conversion element. Take as an example.   A brushless motor requires a Hall element to detect the polarity of the rotor magnet. It is essential. This Hall element is actually mounted on a substrate that is a component of a brushless motor. The main body of the Hall element is mounted on the rotor unit through a through hole formed in the bracket. It will be installed on the side of Gunnet.

[0003]

[Problems to be solved by the device]

  However, the mounting of the Hall element as described above has the following problems. It   That is, in the brushless motor, the polarity of the rotor magnet is accurately detected. The main body of the Hall element is installed in Although it is important that the Hall element -To insert the lead part into the hole and position the body part with a jig or visually , The main body may not be installed in the correct position. This is the rotor magnet The polarity of can not be detected accurately. In addition, the soldering of Hall elements is Work efficiency was poor as it had to be done after soldering the components to the board .

[0004]   The present invention has been made in view of the above circumstances, and it is possible to accurately measure the main body of the magnetoelectric conversion element. It can be installed at any position, and it is possible to automatically mount the magnetoelectric conversion element on the substrate. It is an object of the present invention to provide a holder for a magnetoelectric conversion element.

[0005]

[Means for Solving the Problems]

  In the holder for the magnetoelectric conversion element according to the present invention, the main body of the magnetoelectric conversion element is placed at a predetermined position. It is a holder for the magnetoelectric conversion element for installation, and the lead part of the magnetoelectric conversion element is inserted. Has an insertion hole.

[0006]

【Example】

  FIG. 1 shows a Hall element held by a magnetoelectric conversion element holder according to an embodiment of the present invention. 2 is a perspective view showing a state in which the magnetoelectric conversion element holder is opened, and FIG. Is a cross-sectional view of a brushless motor using this holder for magnetoelectric conversion elements. FIG. 5 is a sectional view taken along the line AA of FIG. 4, and FIG. 6 is a sectional view taken along the line BB of FIG. 7 is a plan view of the substrate, and FIG. 8 is a front view of the substrate.

[0007]   The magnetoelectric conversion element holder 100 according to the present embodiment includes a main body 210 of the hall element 200. It is for installation at a predetermined position, and the lead part 220 of the Hall element 200 is inserted. Has a hole to be held, and the distance A at the starting end of the hole is set to be the hole element to be held. The distance is set according to the distance between the lead portions 220 of the child 200, and the distance B between the end portions is the above distance. It is set wider than A.

[0008]   The magnetoelectric conversion element holder 100 includes two flat plate portions, that is, four grooves 111a to 111d grooved flat plate part 110 is connected with this grooved flat plate part 110 and hinge part 130 The flat plate portion 120 thus formed is integrally molded. This holder for magnetoelectric conversion element 100 is a synthetic resin having insulation and a certain degree of flexibility, such as polypropylene It is molded from etc.

[0009]   The distance A at the starting ends of the grooves 111a to 111d is equal to the clearance of the Hall element 200 to be held. The distance B is set to be wider than the distance A, and the distance B at the terminal end is set to be wider than the distance A. Has been. That is, the grooves 111a to 111d start to spread from the starting end and straighten from the middle. Is formed. Also, the lead 220 is easily inserted at the start end. Tapered surface 114 is formed. In addition, on the lower end surface of the grooved flat plate portion 110, Has a boss 112 protruding from it.

[0010]   On the other hand, a projection 121 is formed on the upper end of the flat plate 120. This protrusion 121 Positioning the main body 210 by contacting the bottom surface of the main body 210 of the Hall element 200 Is. Further, the lower end surface of the flat plate portion 120 has a boss 122 similar to the boss 112. Is projected.

[0011]   Further, the projections 113a to 113d are provided at the four corners of the grooved flat plate portion 110, and the projections are formed at the four corners of the flat plate portion 120. Engagement holes 123a to 123d corresponding to the openings 113a to 113d are formed, respectively. Such a bump The raised portions 113a to 113d and the engaging holes 123a to 123d constitute an engaging means. Obey And the flat plate portion with groove 110 and the flat plate portion 120 are overlapped with each other, the protrusions 113a to 113d are respectively formed. Are inserted into and engaged with the corresponding engaging holes 123a to 123d, so that the grooved flat plate portion 110 and the flat plate portion 120 are By closely contacting, the grooves 111a to 111d become insertion holes.

[0012]   The magnetoelectric conversion element holder 100 configured in this manner is provided on the substrate 330. Attached by inserting the bosses 112 and 122 into the boss openings (not shown). Be kicked. In addition, the through hole (not shown) formed in the substrate 330 is the insertion It is set slightly larger than the hole. Therefore, the holder 100 Even if there is some error in the hole, it will be retained in the magnetoelectric conversion element holder 100. The lead portion 220 of the Hall element 200 is surely inserted into the through hole.

[0013]   Next, the brushless motor 30 using the magnetoelectric conversion element holder 100 as described above 0 will be described.

[0014]   The brushless motor 300 consists of a rotor 310 with an output shaft 340 and a rotor 310. A rotor magnet 320 built in the motor 310, a substrate 330 on which a circuit is formed, A bracket 360 provided with a coil portion 350 corresponding to the rotor magnet 320. And have.

[0015]   As shown in FIGS. 4 and 5, the bracket 360 has a shaft penetrating member through which the output shaft 340 penetrates. A through hole 361 is opened in the central part. Further, the bracket 360 has a board 33 The board mounting boss 362 for mounting 0 and the magnetoelectric conversion element holder 100 are A holder insertion portion 363 to be inserted is formed.

[0016]   This holder insertion portion 363 is provided with a recess 363a into which the magnetoelectric conversion element holder 100 is inserted. , The body 210 of the Hall element 200 held by the magnetoelectric conversion element holder 100 penetrates. And a through hole 363b. For the magnetoelectric conversion element, the inner surface of the recess 363a is By corresponding to the hinge part 130 of the holder 100, the holder 100 for the magnetoelectric conversion element A regulation convex portion 363c for regulating the insertion direction of the is formed.

[0017]   On the other hand, the lead wire 300 of the Hall element 200 held by the magnetoelectric conversion element holder 100 The space is expanded by being inserted into the insertion hole. This Hall element 200 is installed in a predetermined position on the substrate 330 together with the magnetoelectric conversion element holder 100. Be done. When the substrate 330 is attached to the bracket 360, the magnetoelectric conversion element holder 10 In the Hall element 200 held at 0, the main body 210 of the Hall element 200 is the through hole 36 of the bracket 360. It projects from 3b. The bracket 360 is combined with the rotor 310, etc. If the motor 300 is used, the main body 210 of the Hall element 200 becomes the rotor magnet 320. On the other hand, it will be installed at a predetermined position.

[0018]   In the embodiment described above, the magneto-electric conversion element holder 100 has one grooved flat plate portion 11 Although the grooves 113a to 113d are provided only in the 0, the corresponding groove is also formed in the other flat plate portion 120. You may set it up. In addition, this magnetoelectric conversion element holder 100 is easy to form a through hole. Are configured to engage the two flat plate portions 110, 120 with each other. Molded as a block with through holes instead of engaging parts 110 and 120 You may.

[0019]   In addition, an example of a magnetoelectric conversion element held by this magnetoelectric conversion element holder 100 and I mentioned the Hall element 200, and the Hall element 200 has a built-in amplifier function. It may be an IC. In this case, there are three grooves according to the lead wire of the Hall IC. And

[0020]   Further, the holder 100 for the magnetoelectric conversion element is not limited to the brushless motor 300, Of course, it can also be used in equipment that requires a magnetoelectric conversion element such as is there.

[0021]

[Effect of device]

  In the holder for the magnetoelectric conversion element according to the present invention, the main body of the magnetoelectric conversion element is placed at a predetermined position. It is a holder for the magnetoelectric conversion element for installation, and the lead part of the magnetoelectric conversion element is inserted. The insertion end of the magneto-electric conversion element to be held is the starting end of the insertion hole. The protrusion is set according to the distance between the magnetic field and the main body of the magnetoelectric conversion element is positioned. Is formed on the upper end, and the end is set wider than the above interval. Therefore, the main body of the magnetoelectric conversion element can be installed at an accurate position, and Enables automatic mounting of conversion elements on a substrate.

[0022]   Further, the magnet-electric conversion element holder has two substantially flat plate portions and the flat plate portion. The hinge part to be connected is integrally molded with flexible synthetic resin, An engaging means is provided between the flat portions, and at least one flat plate Since the groove corresponding to the lead wire of the electric conversion element is recessed, it is easy to make the magnetoelectric conversion element easy. Can be held at.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state in which a Hall element is held by a magnetoelectric conversion element holder according to an embodiment of the present invention.

FIG. 2 is a plan view showing a state in which a holder for a magnetoelectric conversion element is opened.

FIG. 3 is a cross-sectional view of a brushless motor using this holder for a magnetoelectric conversion element.

FIG. 4 is a plan view of a bracket.

5 is a cross-sectional view taken along the line AA of FIG.

6 is a cross-sectional view taken along the line BB of FIG.

FIG. 7 is a plan view of a substrate.

FIG. 8 is a front view of a substrate.

[Explanation of symbols]

100 Magnetoelectric conversion element holder 110 grooved flat plate 111a-111d groove 120 Flat plate 130 Hinge part 200 Hall element (magnetoelectric conversion element) 210 Body (of Hall element) 300 brushless motor

Claims (4)

[Scope of utility model registration request] 1. A magnetoelectric conversion element holder for installing a body portion of a magnetoelectric conversion element at a predetermined position, having an insertion hole into which a lead portion of the magnetoelectric conversion element is inserted. holder. 2. The starting end portion of the insertion hole is set according to the distance between the lead portions of the magnetoelectric conversion element to be held, and the terminal end portion is set wider than the distance. The holder for a magnetoelectric conversion element according to 1. 3. The holder for a magnetoelectric conversion element according to claim 1, wherein a projection with which the main body of the magnetoelectric conversion element into which the lead portion is inserted is brought into contact is formed at the upper end of the projection. 4. Two substantially flat plate portions and a hinge portion connecting the flat plate portions are integrally formed of a flexible synthetic resin, and an engaging means is provided between the two flat plate portions. A holder for a magnetoelectric conversion element according to claim 1, 2 or 3, wherein a groove corresponding to the lead wire of the magnetoelectric conversion element to be held is provided in at least one flat plate portion.