KR950010127Y1 - Three terminal type piezo electric device - Google Patents
Three terminal type piezo electric device Download PDFInfo
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- KR950010127Y1 KR950010127Y1 KR2019900007312U KR900007312U KR950010127Y1 KR 950010127 Y1 KR950010127 Y1 KR 950010127Y1 KR 2019900007312 U KR2019900007312 U KR 2019900007312U KR 900007312 U KR900007312 U KR 900007312U KR 950010127 Y1 KR950010127 Y1 KR 950010127Y1
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- metal plate
- piezoelectric
- case
- piezoelectric filter
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/87—Electrodes or interconnections, e.g. leads or terminals
- H10N30/875—Further connection or lead arrangements, e.g. flexible wiring boards, terminal pins
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/88—Mounts; Supports; Enclosures; Casings
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- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
내용 없음.No content.
Description
제1도는 종래 3단자 압전필터의 정면도.1 is a front view of a conventional three-terminal piezoelectric filter.
제2도는 제1도에 도시된 3단자 압전필터의 저면도.2 is a bottom view of the three-terminal piezoelectric filter shown in FIG.
제3도는 종래 3단자형 압전장치에 있어서, 압력단자용 금속판과 출력단자용 금속판의 정면도.3 is a front view of a metal plate for pressure terminals and a metal plate for output terminals in a conventional three-terminal piezoelectric device.
제4도는 종래 3단자형 압전장치에 있어서, 접지단자용 금속판의 정면도.4 is a front view of a metal plate for a ground terminal in a conventional three-terminal piezoelectric device.
제5도는 종래 3단자형 압전장치의 단면도.5 is a cross-sectional view of a conventional three-terminal piezoelectric device.
제6도는 본 고안에 따른 3단자형 압전장치에 있어서, 입력단자용 금속판과 출력단자용 금속판인 설치된 케이스의 정면도.6 is a front view of an installed case of a three-terminal piezoelectric device according to the present invention, which is a metal plate for an input terminal and a metal plate for an output terminal.
제7도는 본 고안에 따른 접지단자용 금속판이 설치된 케이스의 정면도.7 is a front view of a case in which a metal plate for a grounding terminal according to the present invention is installed.
제8도는 본 고안에 따른 3단자형 압전장치의 단면도이다.8 is a cross-sectional view of a three-terminal piezoelectric device according to the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1,2 : 케이스 3 : 압전필터1,2: case 3: piezoelectric filter
4 : 출력단자용 금속판 5 : 입력단자용 금속판4: Metal plate for output terminal 5: Metal plate for input terminal
6 : 접지단자용 금속판 9 : 압전기판6: Metal plate for ground terminal 9: Piezoelectric plate
10 : 출력전극 11 : 입력전극10: output electrode 11: input electrode
12 : 접지전극 13,14,15 : 도전성고무12: ground electrode 13, 14, 15: conductive rubber
16,17,18 : 외부단자 19 : 도전성접착제16, 17, 18: external terminal 19: conductive adhesive
20,21,22 : 금속판돌기부20,21,22: metal plate projection
본 고안은 AM라디오 수신기의 압전필터에 사용되는 3단자형 압전장치에 관한 것으로, 케이스내부에 설치되는 단자용 금속판들을 케이스와 일체화시키고, 압전필터와 단자용 금속판의 접촉부분에 도전성고무를 설치시킨 3단자형 압전장치에 관한 것이다.The present invention relates to a three-terminal piezoelectric device used in a piezoelectric filter of an AM radio receiver. The terminal metal plates installed inside the case are integrated with the case, and conductive rubber is provided at the contact portion between the piezoelectric filter and the metal plate for the terminal. It relates to a three-terminal piezoelectric device.
종래의 3단자형 압전장치는 외부로부터 충격 또는 진동을 받을 경우, 압전기판(9)에 부착된 전극(10,11,12)이, 이 전극(10,11,12)에 접촉되는 금속판돌기부(20,21,22)에 의하여 손상되기 쉽고, 따라서 전극(10,11,12)을 두껍게 입혀야 하므로, 제조원가가 비싸게 되고 , 압전기판(9)의 진동이 어려워 특성이 저하되는 문제점이 있었다.In the conventional three-terminal piezoelectric device, when subjected to shock or vibration from the outside, the electrodes 10, 11 and 12 attached to the piezoelectric plate 9 are in contact with the electrodes 10, 11 and 12. 20, 21, and 22 are easily damaged, and therefore, the electrodes 10, 11, and 12 must be coated thickly, resulting in high manufacturing costs and difficulty in vibration of the piezoelectric substrate 9, thereby degrading characteristics.
이에 본 고안은 상기와 같은 문제점을 해결하기 위해 고안된 것으로, 케이스 내벽면에 솔더페이스트(SOLDER PASTE)로 입력과 출력 및 접지단자용 금속판을 형성시켜 케이스와 단자용 금속판을 일체화시키므로써, 원가를 절감하며, 도전성고무를 단자용 금속판위에 부착시켜, 이 도전성고무에 의해 압전필터를 지지하여 주므로써 압전필터의 내진동 및 내충격성을 향상시키도록 된 3단자형 압전장치를 제공함에 그 목적이 있다.Therefore, the present invention is designed to solve the above problems, by forming a metal plate for input, output and ground terminal with solder paste on the inner wall of the case to integrate the metal plate for the case and the terminal, reducing the cost It is an object of the present invention to provide a three-terminal piezoelectric device in which a conductive rubber is attached on a metal plate for a terminal and the piezoelectric filter is supported by the conductive rubber to improve vibration resistance and impact resistance of the piezoelectric filter.
이하, 본 고안의 구성 및 작용효과를 예시된 도면에 의거 상세히 설명한다.Hereinafter, the configuration and operation of the present invention will be described in detail based on the illustrated drawings.
본 고안은 케이스(1,2)에 압전필터(3)가 설치되면서, 상기케이스(1,2)에는 솔더페이스트가 도포되어서 출력단자용 금속판(4)과 입력단자용 금속판(5) 및 접지단자용 금속판(6)이 형성되며, 이 금속판(4,5,6)들과 압전필터(3)사이에는 도전성고무(13,14,15)가 설치되고, 상기 금속판(4,5,6)들은 도전성 접착제(19)에 의해 외부단자(16,17,18)와 연결되어 이루어지는 3단자형 압전장치이다.The present invention is the piezoelectric filter (3) is installed on the case (1,2), the solder paste is applied to the case (1,2) so that the output terminal metal plate (4) and the input terminal metal plate (5) and ground terminal A metal plate 6 is formed, and conductive rubbers 13, 14, and 15 are provided between the metal plates 4, 5, 6 and the piezoelectric filter 3, and the metal plates 4, 5, 6 are conductive. It is a three-terminal piezoelectric device which is connected to the external terminals 16, 17, 18 by an adhesive 19.
본 고안에서는 케이스(1,2)내벽면에 솔더페이스트로 출,입력 및 접지단자용 금속판(4,5,6)을 형성하고, 케이스(1,2)외부로 인출되는 외부단자(16,17,18)는 납땜 또는 도전성접착제(19)로 케이스(1,2)내부의 단자용 금속판에 접착되어서 전기적으로 연결이 된다.In the present invention, metal plates 4, 5, and 6 for output, input, and ground terminals are formed on the inner walls of the cases 1 and 2, and external terminals 16 and 17 are drawn out to the outside of the cases 1 and 2. 18 is soldered or electrically bonded to the metal plates for terminals inside the cases 1 and 2 with a conductive adhesive 19.
또한, 압전필터(3)와 출,입력 및 접지단자용 금속판(4,5,6)의 접촉점에서는 단자용 금속판위의 압전필터(3)의 진동중심점위치에 도전성고무(13,14,15)가 돌기형태로 접착되어 내진동 및 내충격성이 향상되게 된다.In addition, at the contact point between the piezoelectric filter 3 and the metal plates 4, 5, 6 for output, input, and ground terminals, the conductive rubbers 13, 14, 15 are positioned at the vibration center of the piezoelectric filter 3 on the terminal metal plate. Is bonded in the form of protrusions to improve vibration and impact resistance.
제6도와 제7도 및 제8도에는 본고안에 따른 3단자형 압전장치의 구성이 도시되어져 있는바, 제6도는 출력단자용 금속판(4)과 입력단자용 금속판(5)이 설치된 케이스(1)의 정면도이고, 제7도는 접지단자용 금속판(6)이 설치된 다른케이스(2)의 정면도이며, 제8도는 상기 케이스(1,2)들이 결합된 압전장치의 단면도이다.6 and 7 and 8 show the configuration of a three-terminal piezoelectric device according to the present invention, and FIG. 6 shows a case 1 in which an output terminal metal plate 4 and an input terminal metal plate 5 are installed. 7 is a front view of another case 2 in which a metal plate 6 for a ground terminal is installed, and FIG. 8 is a cross-sectional view of a piezoelectric device in which the cases 1 and 2 are coupled.
제6도에 있어서, 상기 출력단자용 금속판(4)과 입력단자용 금속판(5)은 솔더페이스트로 이루어지는 바, 케이스(1)내벽면에 솔더페이스트가 일정한 형상으로 도포되어짐에 의해서 이루어진다. 이 출력단자용 금속판(4)과 입력단자용금속판(5)에는 도전성고무(13,14)가 부착되어지는 바, 출력단자용 금속판(4)의 상하 끝부분에 도전성고무(13)가 부착되어지면, 상기 압전필터(3)의 상하중심부에 접촉되도록 위치된다. 입력단자용 금속판(5)의 끝부분에도 도전성고무(14)가 부착되어지며, 압전필터(3)의 중심부에 접촉되도록 위치된다.In FIG. 6, the output terminal metal plate 4 and the input terminal metal plate 5 are made of solder paste, and the solder paste is applied to the inner wall of the case 1 in a constant shape. Conductive rubbers 13 and 14 are attached to the output terminal metal plate 4 and the input terminal metal plate 5, and when the conductive rubber 13 is attached to upper and lower ends of the output terminal metal plate 4, The upper and lower center portions of the piezoelectric filter 3 are positioned to be in contact with each other. The conductive rubber 14 is also attached to the end of the metal plate 5 for the input terminal, and is placed in contact with the center of the piezoelectric filter 3.
그리고, 또 다른 케이스(2)에도 접지단자용 금속판(6)이 형성되어지는 바, 솔더페이스트가 이 케이스(2)의 벽면에 일정한 형상으로 도포되어지므로써 형성된다. 이 접지단자용 금속판(6)은 그 끝부분이 압전필터(3)의 중심부에 위치된 입력전극(11)과 접촉될 수 있는 위치로 형성된다.Further, the metal plate 6 for the ground terminal is formed in the other case 2, and the solder paste is formed by applying a predetermined shape to the wall surface of the case 2. The ground terminal metal plate 6 is formed at a position where the end thereof can contact the input electrode 11 located at the center of the piezoelectric filter 3.
이 접지단자용 금속판(6)의 끝부분에는 도전성고무(14)가 부착되어서 이 도전성고무(14)에 의해 상기 접지단자용 금속판(6)과 압전필터(3)가 전기적으로 연결되게 된다.A conductive rubber 14 is attached to the end of the ground terminal metal plate 6 so that the ground terminal metal plate 6 and the piezoelectric filter 3 are electrically connected by the conductive rubber 14.
상기 출력단자용 금속판(4)과 입력단자용 금속판(5) 및 접지단자용 금속판(6)은 납땜이나 그밖의 도전성접착제(19)에 의해서, 케이스(1,2)외부로 노출되는 외부단자(16,17,18)와 연결된다.The output terminal metal plate 4, the input terminal metal plate 5, and the ground terminal metal plate 6 are external terminals 16 exposed to the outside of the cases 1 and 2 by soldering or other conductive adhesives 19. , 17,18).
제8도는 본고안에 따른 3단자형 압전장치의 단면도인 바, 일측 케이스(1)와 타측 케이스(2) 및 압전필터(3)가 조립된 단면도이다. 상기 압전필터(3)가 도전성고무(13,14,15)에 의해 지지되면서, 전기적으로 외부단자(16,17,18)과 연결되게 된다.8 is a cross-sectional view of a three-terminal piezoelectric device according to the present invention, in which one side case 1, the other side case 2, and the piezoelectric filter 3 are assembled. The piezoelectric filter 3 is supported by the conductive rubbers 13, 14, and 15, and is electrically connected to the external terminals 16, 17, and 18.
이와같이 본고안에 따른 3단자형 압전장치는 상기 도전성고무(13,14,15)에 의해서 압전필터(3)를 지지해주면서, 전기적으로 외부단자(16,17,18)와 연결시키므로써 압전장치의 진동이나 외부의 충격에도 압전필터(3)의 위치가 고정될 수 있고, 압전필터(3) 양면의 전극(10,11,12)들도 안정되게 유지될 수 있는 효과가 있으며, 상기 압전필터(3)의 출력전극(10)과 입력전극(11) 및 접지전극(12)은 종래 제품에 비하여 두께가 얇아질 수 있게되어 제품의 원가가 절감되는 효과가 있다.As described above, the three-terminal piezoelectric device according to the present invention supports the piezoelectric filter 3 by the conductive rubbers 13, 14, and 15, and electrically connects the external terminals 16, 17, and 18 to the vibration of the piezoelectric device. In addition, the position of the piezoelectric filter 3 may be fixed to external shocks, and the electrodes 10, 11, and 12 on both sides of the piezoelectric filter 3 may be stably maintained, and the piezoelectric filter 3 may be fixed. Output electrode 10, the input electrode 11 and the ground electrode 12 of the () can be thinner than the conventional product has the effect of reducing the cost of the product.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019900007312U KR950010127Y1 (en) | 1990-05-28 | 1990-05-28 | Three terminal type piezo electric device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019900007312U KR950010127Y1 (en) | 1990-05-28 | 1990-05-28 | Three terminal type piezo electric device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR910021039U KR910021039U (en) | 1991-12-20 |
| KR950010127Y1 true KR950010127Y1 (en) | 1995-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019900007312U KR950010127Y1 (en) | 1990-05-28 | 1990-05-28 | Three terminal type piezo electric device |
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| Country | Link |
|---|---|
| KR (1) | KR950010127Y1 (en) |
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1990
- 1990-05-28 KR KR2019900007312U patent/KR950010127Y1/en not_active IP Right Cessation
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| Publication number | Publication date |
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| KR910021039U (en) | 1991-12-20 |
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