CN104862876A - Electromagnet needle selector - Google Patents
Electromagnet needle selector Download PDFInfo
- Publication number
- CN104862876A CN104862876A CN201510267231.3A CN201510267231A CN104862876A CN 104862876 A CN104862876 A CN 104862876A CN 201510267231 A CN201510267231 A CN 201510267231A CN 104862876 A CN104862876 A CN 104862876A
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- CN
- China
- Prior art keywords
- electromagnet
- snap arm
- chip
- slide cam
- cam selector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention discloses an electromagnet needle selector. The electromagnet needle selector comprises a shell; a connector and a cutter head are installed on the shell respectively, the shell is internally provided with a circuit board and electromagnets which are wrapped with coils, the connector is connected with the circuit board, the circuit board is connected with the electromagnets which are wrapped with the coils, and the electromagnets which are wrapped with the coils is connected with the cutter head; the circuit board is provided with a divider resistance, a signal transformation circuit, a chip, a CPLD and a positive and negative driving circuit, the positive and negative is connected with the signal transformation circuit, the signal transformation circuit is connected with the chip, the chip is connected with the CPLD, the CPLD is connected with the positive and negative driving circuit, and the positive and negative driving circuit is connected with the electromagnets which are wrapped with the coils. According to the electromagnet needle selector, existing and commonly used ceramic needle selecting is replaced with electromagnet needle selecting, the structure is simple, the use is convenient, the cost is low, the performance is stable, and the connecting strength of the needle selector is reinforced by arranging a connecting buckle.
Description
Technical field
The present invention relates to a kind of electromagnet slide cam selector.
Background technology
Existing slide cam selector mostly is piezoelectric ceramic driven slide cam selector, this slide cam selector is to drive the swing of selection piece by piezoelectric ceramics, realize needle selection, it has a lot of defect and deficiency: first, the ceramic slide cam selector internal part of import is more and all costly, assemble very complicated, so not only add production cost in manufacturing process, and finished product is safeguarded and damage maintenance is extremely inconvenient, causes indirectly shortening service life; Secondly, manufacturer is cost-saving, uses and replaces import pottery with domestic pottery, and because domestic ceramic technology is still immature, this low-quality pottery causes the performance of product greatly to reduce, duty extremely unstable.
Summary of the invention
The object of the present invention is to provide a kind of electromagnet slide cam selector, utilize the ceramic needle selection that electromagnetic needle selection replacement prior art generally uses, structure is simple, easy to use, with low cost, stable performance, and the setting connecting buckle strengthens the bonding strength of slide cam selector.
In order to achieve the above object, technical scheme of the present invention is:
A kind of electromagnet slide cam selector, comprise housing, described housing is separately installed with interface, cutter head, be separately installed with circuit board in described housing, be coated with the electromagnet of coil, described interface is connected with circuit board, described circuit board is connected with the electromagnet being coated with coil, described in be coated with coil electromagnet be connected with cutter head; Described circuit board is separately installed with divider resistance, signal conversion circuit, chip, CPLD, positive and negative drive circuit, described divider resistance is connected with signal conversion circuit, described signal conversion circuit is connected with chip, described chip is connected with CPLD, described CPLD is connected with positive and negative drive circuit, and described positive and negative drive circuit is connected with the electromagnet being coated with coil.
Described signal conversion circuit comprises diode, triode, and described diode is connected with divider resistance, triode respectively, and described triode is connected with chip.
Described chip is LJ245 chip.
Described interface is movably installed with connection buckle, described connection buckle comprises the first snap arm, the second snap arm, wherein said first snap arm offers the first clamping and positioning groove, and described first snap arm medial surface is provided with the first crimp lug; Described second snap arm offers the second clamping and positioning groove, described second snap arm medial surface is provided with the second crimp lug.
Described first snap arm, the first crimp lug, the second snap arm, the second crimp lug all offer latch.
Described first snap arm and the first crimp lug is integrally manufactured forms, described second snap arm and the second crimp lug is integrally manufactured forms.
Described cutter head comprises plastics and connects body, described plastics are connected body and are connected with housing by connecting axle, described plastics connect on body and are provided with blade, and described plastics connect in body and are provided with magnet, and described magnet is connected body and is connected on the magnet held and offers groove with plastics.
Described groove is right angle groove.
The invention has the beneficial effects as follows: a kind of electromagnet slide cam selector, utilize the ceramic needle selection that electromagnetic needle selection replacement prior art generally uses, structure is simple, easy to use, with low cost, stable performance, and the setting connecting buckle strengthens the bonding strength of slide cam selector.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of cutter head in Fig. 1.
Detailed description of the invention
Embodiment 1
A kind of electromagnet slide cam selector as shown in Figure 1 and Figure 2, comprise housing 1, described housing 1 is separately installed with interface 2, cutter head 3, be separately installed with circuit board 4 in described housing 1, be coated with the electromagnet 5 of coil, described interface 2 is connected with circuit board 4, described circuit board 4 is connected with the electromagnet 5 being coated with coil, described in be coated with coil electromagnet 5 be connected with cutter head 3; Described circuit board 4 is separately installed with divider resistance 6, signal conversion circuit 7, chip 8, CPLD9, positive and negative drive circuit 10, described divider resistance 6 is connected with signal conversion circuit 7, described signal conversion circuit 7 is connected with chip 8, described chip 8 is connected with CPLD9, described CPLD9 is connected with positive and negative drive circuit 10, and described positive and negative drive circuit 10 is connected with the electromagnet 5 being coated with coil.
Described signal conversion circuit 7 comprises diode 11, triode 12, and described diode 11 is connected with divider resistance 6, triode 12 respectively, and described triode 12 is connected with chip 8.
Described chip 8 is LJ245 chip.
Described interface 2 is movably installed with connection buckle, and described connection buckle comprises the first snap arm 13, second snap arm 14, and wherein said first snap arm 13 offers the first clamping and positioning groove 15, and described first snap arm 13 medial surface is provided with the first crimp lug 16; Described second snap arm 14 offers the second clamping and positioning groove 17, and described second snap arm 14 medial surface is provided with the second crimp lug 18.
Described first snap arm 13, first crimp lug 16, second snap arm 14, second crimp lug 18 all offers latch.
Described first snap arm 13 and the first crimp lug 16 is integrally manufactured forms, described second snap arm 14 and the second crimp lug 18 is integrally manufactured forms.
Described cutter head 3 comprises plastics and connects body 19, described plastics are connected body 19 and are connected with housing 1 by connecting axle 21, described plastics connection body 19 is provided with blade 20, described plastics connect in body 19 and are provided with magnet 22, and described magnet 22 is connected with plastics on the connected magnet 22 held of body 19 and offers groove 23.Described groove 23 is right angle groove.The setting of right angle groove makes magnet 22 be connected with plastics between body 19 to be connected by injection moulding, and the magnet not offering groove is connected body with plastics be pasted by glue, and its fastness is stronger.
A kind of electromagnet slide cam selector of the present embodiment, utilize the ceramic needle selection that electromagnetic needle selection replacement prior art generally uses, structure is simple, easy to use, with low cost, stable performance, and the setting connecting buckle strengthens the bonding strength of slide cam selector.
Claims (8)
1. an electromagnet slide cam selector, it is characterized in that: comprise housing (1), described housing (1) is separately installed with interface (2), cutter head (3), be separately installed with circuit board (4) in described housing (1), be coated with the electromagnet (5) of coil, described interface (2) is connected with circuit board (4), described circuit board (4) is connected with the electromagnet (5) being coated with coil, described in be coated with coil electromagnet (5) be connected with cutter head (3); Described circuit board (4) is separately installed with divider resistance (6), signal conversion circuit (7), chip (8), CPLD(9), positive and negative drive circuit (10), described divider resistance (6) is connected with signal conversion circuit (7), interface (2) respectively, described signal conversion circuit (7) is connected with chip (8), described chip (8) and CPLD(9) be connected, described CPLD(9) be connected with positive and negative drive circuit (10), described positive and negative drive circuit (10) is connected with the electromagnet (5) being coated with coil.
2. a kind of electromagnet slide cam selector according to claim 1, it is characterized in that: described signal conversion circuit (7) comprises diode (11), triode (12), described diode (11) is connected with divider resistance (6), triode (12) respectively, and described triode (12) is connected with chip (8).
3. a kind of electromagnet slide cam selector according to claim 1 and 2, is characterized in that: described chip (8) is LJ245 chip.
4. a kind of electromagnet slide cam selector according to claim 1, it is characterized in that: (2) are movably installed with connection buckle to described interface, described connection buckle comprises the first snap arm (13), the second snap arm (14), wherein said first snap arm (13) offers the first clamping and positioning groove (15), described first snap arm (13) medial surface is provided with the first crimp lug (16); Described second snap arm (14) offers the second clamping and positioning groove (17), described second snap arm (14) medial surface is provided with the second crimp lug (18).
5. a kind of electromagnet slide cam selector according to claim 4, is characterized in that: (18) all offer latch for described first snap arm (13), the first crimp lug (16), the second snap arm (14), the second crimp lug.
6. a kind of electromagnet slide cam selector according to claim 4, is characterized in that: described first snap arm (13) forms with the first crimp lug (16) is integrally manufactured, and described second snap arm (14) forms with the second crimp lug (18) is integrally manufactured.
7. a kind of electromagnet slide cam selector according to claim 1, it is characterized in that: described cutter head (3) comprises plastics and connects body (19), described plastics are connected body (19) and are connected with housing (1) by connecting axle (21), described plastics connection body (19) are provided with blade (20), described plastics connect in body (19) and are provided with magnet (22), and described magnet (22) is connected with plastics on the connected magnet (22) held of body (19) and offers groove (23).
8. a kind of electromagnet slide cam selector according to claim 7, is characterized in that: described groove (23) is right angle groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510267231.3A CN104862876A (en) | 2015-05-25 | 2015-05-25 | Electromagnet needle selector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510267231.3A CN104862876A (en) | 2015-05-25 | 2015-05-25 | Electromagnet needle selector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104862876A true CN104862876A (en) | 2015-08-26 |
Family
ID=53909024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510267231.3A Pending CN104862876A (en) | 2015-05-25 | 2015-05-25 | Electromagnet needle selector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104862876A (en) |
-
2015
- 2015-05-25 CN CN201510267231.3A patent/CN104862876A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150826 |
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| RJ01 | Rejection of invention patent application after publication |