KR200241240Y1 - Solenoid Valve for Steam Discharge of Electric Pressure Cooker - Google Patents

Solenoid Valve for Steam Discharge of Electric Pressure Cooker Download PDF

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KR200241240Y1
KR200241240Y1 KR2019980016666U KR19980016666U KR200241240Y1 KR 200241240 Y1 KR200241240 Y1 KR 200241240Y1 KR 2019980016666 U KR2019980016666 U KR 2019980016666U KR 19980016666 U KR19980016666 U KR 19980016666U KR 200241240 Y1 KR200241240 Y1 KR 200241240Y1
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iron core
steam discharge
pressure cooker
electric pressure
solenoid valve
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KR2019980016666U
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KR19990011664U (en
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박주용
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양경모
(주)씨엔에스
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Abstract

본 고안은 전기압력솥의 증기배출용 솔레노이드밸브에 관한 것으로, 더욱 상세하게는 영구자석과의 접촉으로 자성을 띠는 고정철심을 이용하여 전원차단상태에서도 고정철심과의 인력 또는 척력을 갖도록 유도된 가동철심의 자기상태를 유지할수 있게 함으로써 소비전력을 최소화할 수 있는 전기압력솥의 증기배출용 솔레노이드밸브를 제공함에 그 목적이 있다.The present invention relates to a solenoid valve for steam discharge of an electric pressure cooker, and more particularly, by using a fixed iron core that is magnetic by contact with a permanent magnet, the operation induced to have a manpower or repulsive force with the fixed iron core even when the power is cut off. It is an object of the present invention to provide a solenoid valve for steam discharge of an electric pressure cooker capable of minimizing power consumption by maintaining a magnetic state of the iron core.

그리고, 상기한 목적을 달성하기 위하여 본 고안은 마이컴의 제어에 따라 코일(4)에 전류가 인가되면 가동철심(6)이 유도전자력에 의해 고정철심(41)에 부착되도록 전진되면서 스풀(62)의 포펫(12)이 밸브시트(11)를 차단하거나, 상기 코일(4)의 전류가 차단되면 유도전자력이 제거되면서 상기 가동철심(6)이 압축스프링(61)에 의해 후진되어 상기 스풀(62)의 포펫(12)이 밸브시트(11)를 개방하여 증기배출유로(10)를 단속하게 되는 전기압력솥의 증기배출용 솔레노이드밸브에 있어서, 영구자석(5)을 설치하여 상기 고정철심(41)이 자기극성을 갖도록 자기유도하고, 상기 가동철심(6)의 자기극성에 따라 상기 가동철심(6)과 고정철심(41) 간에 인력 또는 척력이 발생되도록 이루어진 것을 특징으로 하는 전기압력솥의 증기배출용 솔레노이드밸브를 제공한다.And, in order to achieve the above object, the present invention, when the current is applied to the coil 4 under the control of the microcomputer, the movable iron core 6 is advanced to be attached to the fixed iron core 41 by the induced electromagnetic force spool 62 When the poppet 12 of the valve seat 11 or the current of the coil 4 is blocked, the induced magnetic force is removed and the movable iron core 6 is retracted by the compression spring 61 while the spool 62 is removed. In the solenoid valve for steam discharge of the electric pressure cooker in which the poppet 12 of the valve 11 opens the valve seat 11 to control the steam discharge passage 10, a permanent magnet 5 is installed to fix the core 41. The magnetic induction so as to have a magnetic polarity, the steam discharge for the electric pressure cooker, characterized in that the attraction or repulsive force is generated between the movable core 6 and the fixed core 41 in accordance with the magnetic polarity of the movable iron core (6) Provide solenoid valves.

[색인어][Index]

전기압력솥, 솔레노이드밸브, 증기배출Electric pressure cooker, solenoid valve, steam exhaust

Description

전기압력솥의 증기배출용 솔레노이드밸브Solenoid Valve for Steam Discharge of Electric Pressure Cooker

본 고안은 전기압력솥의 증기배출용 솔레노이드밸브에 관한 것으로, 더욱 상세하게는 영구자석과의 접촉으로 자성을 띠는 고정철심을 이용하여 전원차단상태에서도 고정철심과의 인력 또는 척력을 갖도록 유도된 가동철심의 자기상태를 유지할 수 있는 전기압력솥의 증기배출용 솔레노이드밸브에 관한 것이다.The present invention relates to a solenoid valve for steam discharge of an electric pressure cooker, and more particularly, by using a fixed iron core that is magnetic by contact with a permanent magnet, the operation induced to have a manpower or repulsive force with the fixed iron core even when the power is cut off. The present invention relates to a solenoid valve for steam discharge of an electric pressure cooker capable of maintaining a magnetic state of an iron core.

일반적으로, 마이컴에 의해 제어되는 전기압력솥은 압력용기에서 발생되는 고온고압의 증기를 솔레노이드밸브에 의해 개폐가 이루어지는 증기배출유로를 통해 외부로 배출되도록 구성되어 있다.In general, the electric pressure cooker controlled by the microcomputer is configured to discharge the high temperature and high pressure steam generated from the pressure vessel to the outside through the steam discharge passage that is opened and closed by the solenoid valve.

이때, 전기압력솥에서 증기배출용으로 사용되는 솔레노이드밸브는 코일에 전원이 인가되지 않은 상태에서 상시닫힘형 솔레노이드밸브와 상시열림형 솔레노이드밸브가 있다.At this time, the solenoid valve used for steam discharge from the electric pressure cooker has a normally closed solenoid valve and a normally open solenoid valve in the state that the power is not applied to the coil.

여기서, 상시닫힘형 솔레노이드밸브는 압력용기내의 음식을 증숙할 때 증기배출유로의 밸브시트를 스프링의 탄성력에 의존하여 닫게 되므로 스프링의 탄성력이 이완될 경우 누설의 문제가 발생되고, 적정한 탄성력을 가져야 하는 스프링의 제조방법도 매우 정밀하여 부품관리가 어려우며, 약간의 진동이나 충격에도 쉽게 밸브시트가 열리고, 스프링의 탄성력을 높게할 경우 이에 비례하여 코일의 용량을 크게 하여야 문제가 발생된다.Here, the normally closed solenoid valve closes the valve seat of the steam discharge passage depending on the elastic force of the spring when steaming the food in the pressure vessel, so when the elastic force of the spring is relaxed, a problem of leakage occurs. The manufacturing method of the spring is also very precise, so it is difficult to manage parts, and the valve seat opens easily even with slight vibration or shock, and when the elastic force of the spring is increased, a problem occurs when the capacity of the coil is increased in proportion to it.

그리고, 상시열림형 솔레노이드밸브는 상시닫힘형 솔레노이드밸브와 반대로압력용기내에서 음식의 조리시 코일에 전원을 계속적으로 인가하여 증기의 배출을 차단하게 되는데, 이때 압력솥의 발열에 의해 코일내에 저항이 증대되고 이로 인해가동철심의 전자력이 약화되면서 증기의 누설이 발생되며, 이러한 문제를 개선하기 위하여 상당한 내열등급의 코일 또는 큰 용량의 코일을 사용하게 된다.In addition, the normally open solenoid valve, in contrast to the normally closed solenoid valve, continuously applies power to the coil when cooking food in a pressure vessel to block the discharge of steam. In this case, the resistance in the coil increases due to the heating of the pressure cooker. As a result, the electromagnetic force of the movable iron core is weakened, causing the leakage of steam, and to improve the problem, a coil having a considerable heat resistance grade or a large capacity coil is used.

더욱이, 상시열림형 솔레노이드밸브는 음식증숙시 계속적으로 통전이 이루어져야 하기 때문에 상시닫힘형 솔레노이드밸브에 비해 소비전력이 과다하고, 이에 따라 원활한 전력공급을 위해 전원공급장치인 트랜스의 용량이 커지면서 압력솥의외형이 커지게 되며, 그 제조원가가 상승되는 문제가 초래된다.Furthermore, since normally open solenoid valves must be energized continuously during food steaming, they consume more power than normally closed solenoid valves, and as a result, the capacity of the transformer, the power supply, increases for the smooth power supply. This becomes large, resulting in a problem that the manufacturing cost is increased.

본 고안은 영구자석과의 접촉으로 자성을 띠는 고정철심을 이용하여 전원차단 상태에서도 고정철심과의 인력 또는 척력을 갖도록 유도된 가동철심의 자기상태를 유지할 수 있게 함으로써 소비전력을 최소화할 수 있고, 유도된 인력 또는 척력에 의해 가동철심의 반응성이 우수한 전기압력솥의 증기배출용 솔레노이드밸브를 제공함에 그 목적이 있다.The present invention can minimize the power consumption by maintaining the magnetic state of the movable iron induced by manpower or repulsion with the fixed iron even in the state of power off by using a fixed iron core that is magnetic by contact with the permanent magnet. It is an object of the present invention to provide a solenoid valve for steam discharge of an electric pressure cooker having excellent reactivity of a movable iron core by induced manpower or repulsive force.

제1도는 본 고안에 따른 전기압력솥의 증기배출장치를 나타내는 단면도.1 is a cross-sectional view showing a steam discharge device of the electric pressure cooker according to the present invention.

제2도는 본 고안에 따른 전기압력솥의 증기배출장치의 열린상태를 나타내는 단면도.Figure 2 is a cross-sectional view showing an open state of the steam discharge device of the electric pressure cooker according to the present invention.

제3도는 본 고안에 따른 전기압력솥의 증기배출장치의 닫힌상태를 나타내는 단면도이다.3 is a cross-sectional view showing a closed state of the steam discharge device of the electric pressure cooker according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 솥뚜껑 2 : 외함뚜껑1: pot lid 2: enclosure lid

3 : 증기배출몸체 4 : 코일3: steam exhaust body 4: coil

5 : 영구자석 6 : 가동철심5: permanent magnet 6: movable core

7 : 고정너트 8 : 오링7: fixing nut 8: O-ring

10 : 증기배출유로 11 : 밸브시트10: steam discharge passage 11: valve seat

12 : 포펫 13 : 밸브결합구12: poppet 13: valve coupling port

20 : 솔레노이드밸브 41 : 고정철심20: solenoid valve 41: fixed iron core

42 : 밸브하우징 44 : 스토퍼판42: valve housing 44: stopper plate

61 : 압축스프링 62 : 스풀61: compression spring 62: spool

63 : 다이어프램63: diaphragm

상기한 목적을 달성하기 위하여 본 고안은 마이컴의 제어에 따라 코일에 전류가 인가되면 가동철심이 유도전자력에 의해 고정철심에 부착되도록 전진되면서 스풀의 포펫이 밸브시트를 차단하거나, 상기 코일의 전류가 차단되면 유도전자력이 제거되면서 상기 가동철심이 압축스프링에 의해 후진되어 상기 스풀의 포펫이 밸브시트를 개방하여 증기배출유로를 단속하게 되는 전기압력솥의 증기배출용 솔레노이드밸브에 있어서, 영구자석을 설치하여 상기 고정철심이 자기극성을 갖도록 자기유도하고, 상기 가동철심의 자기극성에 따라 상기 가동철심과 고정철심 간에 인력 또는 척력이 발생되도록 이루어진 것을 특징으로 하는 전기압력솥의 증기배출용 솔레노이드밸브를 제공한다.In order to achieve the above object, the present invention, when the current is applied to the coil under the control of the microcomputer, the moving core is advanced to be attached to the fixed core by the induced electromagnetic force, the poppet of the spool blocks the valve seat, or the current of the coil In the solenoid valve for steam discharge of the electric pressure cooker, the movable iron core is reversed by the compression spring and the poppet of the spool opens the valve seat to control the steam discharge flow path. The fixed iron core is magnetically induced to have magnetic polarity, and according to the magnetic polarity of the movable iron core provides a solenoid valve for steam discharge of the electric pressure cooker, characterized in that the attraction or repulsive force is generated between the movable iron core and the fixed iron core.

도면을 참조하여 본 고안의 구성을 설명한다.The configuration of the present invention will be described with reference to the drawings.

제1도는 본 고안에 따른 전기압력솥의 증기배출장치를 나타내는 단면도이고, 제2도는 본 고안에 따른 전기압력솥의 증기배출용 솔레노이드밸브의 열린상태를 나타내는 단면도이며, 제3도는 본 고안에 따른 전기압력솥의 증기배출용 솔레노이드밸브의 닫힌상태를 나타내는 단면도이다.1 is a cross-sectional view showing a steam discharge device of the electric pressure cooker according to the present invention, Figure 2 is a cross-sectional view showing an open state of the solenoid valve for steam discharge of the electric pressure cooker according to the present invention, Figure 3 is an electric pressure cooker according to the present invention Is a cross-sectional view showing the closed state of the steam discharge solenoid valve.

본 고안에 따른 증기배출장치에서 증기배출몸체(3)는 전기압력솥의 압력용기상부측에 위치하는 외함뚜껑(2)과 솥뚜껑(1)의 중앙에 관통 결합되어 있고, 그 상하 단부에 각각 고정너트(7)가 나사결합되어 고정된다.In the steam discharging device according to the present invention the steam discharging body (3) is coupled through the center of the outer lid (2) and the pot lid (1) located on the upper side of the pressure vessel of the electric pressure cooker, each of the fixing nut on the upper and lower ends (7) is screwed into place.

이때, 증기배출몸체(3)에는 그 내측에 증기배출유로(10)가 축방향으로 형성되어 있고, 외함뚜껑(2)내의 증기를 외부로 배출하도록 설치되는 증기배출유로(10)는 그 중간측에 밸브시트(11)가 형성되어 솔레노이드밸브(20)에 의한 개폐가 가능하도록 되어있다.At this time, the steam discharge passage 10 is formed in the steam discharge body 10 in the axial direction, and the steam discharge passage 10 installed to discharge steam in the outer lid 2 to the outside is the middle side thereof. The valve seat 11 is formed in the valve seat 11 so as to be opened and closed by the solenoid valve 20.

또한, 증기배출몸체(3)에는 그 중단측에 밸브결합구(13)가 형성되어 있고, 외함뚜껑(2)과 솥두껑(1) 사이에 내장되는 솔레노이드밸브(20)는 그 밸브하우징 (35)이 밸브결합구(13)에 삽입된 상태로 설치되어 있다.In addition, the valve discharge port 13 is formed on the stop side of the steam discharge body 3, and the solenoid valve 20 embedded between the enclosure lid 2 and the pot lid 1 has its valve housing 35. ) Is installed in the valve engaging port (13).

한편, 본 고안에 따른 솔레노이드밸브(20)는 상시열림형으로 마이컴의 제어에 따라 코일(4)에 전원이 인가되면 전자력이 발생되는 가동철심(6)이 압축스프링 (61)의 탄성력을 극복하고 전진되어 고정철심(41)에 부착되도록 구성되어 있다.On the other hand, the solenoid valve 20 according to the present invention is the normally open type, the movable iron core 6 is generated when the power is applied to the coil 4 under the control of the microcomputer to overcome the elastic force of the compression spring 61 It is advanced and is comprised so that it may be attached to the fixed iron core 41. As shown in FIG.

이때, 고정철심(41)의 내측에 설치되는 영구자석(5)은 자기유도에 의해 고정철심(41)에 자성을 유도하게 되고, 이에 따라 고정철심은 영구자석과 동일한 자기극성을 갖게 된다.At this time, the permanent magnet 5 installed inside the fixed iron core 41 induces magnetism to the fixed iron core 41 by magnetic induction, whereby the fixed iron core has the same magnetic polarity as that of the permanent magnet.

여기서, 마이컴에서 코일(4)에 인가되는 전류의 방향을 제어함에 따라 가동철심(6)에 유도되는 전자력의 자기극성이 방향이 변화되고, 이로써 가동철심과 고정철심(41) 사이에는 인력 또는 척력이 발생되어 가동철심의 스풀(62)을 전후진시키게된다.Here, the direction of the magnetic polarity of the electromagnetic force induced in the movable core 6 is changed by controlling the direction of the current applied to the coil 4 in the microcomputer, thereby attracting or repulsing force between the movable core and the fixed core 41. Is generated to advance back and forth the spool 62 of the movable iron core.

그리고, 마이컴에서 코일(4)에 전류를 인가한 후, 전류를 차단하여도 가동철심(6)에 유도되는 전자력은 그대로 잔류하여 가동철심과 고정철심(41) 간의 인력 또는 척력을 유지시키게 되고, 이로써 소비되는 전력을 최소화할 수 있게 된다.Then, after applying a current to the coil 4 in the microcomputer, even if the current is interrupted, the electromagnetic force induced in the movable core 6 remains as it is to maintain the attraction or repulsive force between the movable core and the fixed iron core 41, This minimizes the power consumed.

뿐만 아니라, 가동철심(6)은 고정철심(41)과의 사이에 유도되는 인력 또는 척력에 의해 그 반응성이 매우 우수하여 전후진 이동이 신속하게 이루어지게 된다.In addition, the movable iron core 6 is very responsive by the attraction force or repulsive force induced between the fixed iron core 41, so that the forward and backward movement is made quickly.

또한, 본 고안에 따른 솔레노이드밸브(20)는 가동철심이 고정철심과 인력 또는 척력을 가짐에 따라 스풀(34)을 수평적으로 전후진하게 되고, 이에 따라 포펫(12)이 밸브시트(11)를 닫거나 개방하여 증기배출유로(10)를 단속하게 된다.In addition, the solenoid valve 20 according to the present invention is horizontally moved forward and backward spool 34 as the movable iron core has a fixed iron core and the attraction or repulsive force, so that the poppet 12 is the valve seat 11 The steam discharge passage 10 is interrupted by closing or opening.

이하, 본 고안의 작용을 설명한다.Hereinafter, the operation of the present invention.

음식물의 조리시 마이컴에서 코일(4)에 전류를 인가하여 가동철심(6)에 전자력을 유도하되 가동철심과 고정철심(41) 간에 인력을 발생시키게 되면 가동철심이 압축스프링(61)의 탄성력을 극복하고 고정철심측으로 이동하게 되고, 이에 따라 스풀(62)이 전진되면서 포펫(12)이 밸브시트(11)를 닫게 된다.When the food is cooked, the microcomputer induces an electromagnetic force to the movable core 6 by applying a current to the coil 4, but when the attraction force is generated between the movable core and the fixed core 41, the movable core reduces the elastic force of the compression spring 61. Overcoming and moving to the fixed iron side, thereby the spool 62 is advanced, the poppet 12 closes the valve seat (11).

이때, 마이컴에서 코일(4)에 인가된 전류를 차단하게 되면 가동철심(6)에 유도된 전자력은 그대로 잔류되어 고정철심(41)과 가동철심 간의 인력은 유지되고, 증기배출유로(10)를 통한 증기의 배출이 차단된 상태에서 압력용기내의 음식이 증숙된다.At this time, when the current applied to the coil 4 is blocked by the microcomputer, the electromagnetic force induced in the movable iron core 6 remains as it is, and the attraction force between the fixed iron core 41 and the movable iron core is maintained and the steam discharge passage 10 is maintained. The food in the pressure vessel is steamed with the release of steam through.

그리고, 음식물의 조리가 완료되면 압력용기내의 증기를 배출하게 되는데, 마이컴에서 전류의 방향을 변화시켜 코일(4)에 전류를 인가시키게 되면 가동철심(6)에 유도되는 전자력의 자기극성이 바뀌면서 가동철심과 고정철심(41) 사이에는 척력이 발생된다.When the cooking of the food is completed, the steam in the pressure vessel is discharged. When the current is applied to the coil 4 by changing the direction of the current in the microcomputer, the magnetic polarity of the electromagnetic force induced in the movable iron core 6 is changed. Repulsive force is generated between the iron core and the fixed iron core 41.

따라서, 가동철심 (6)은 고정 철심(41)과의 척력에 의해 그리고 압축스프링 (61)의 압축탄성력에 의해 후진하게 되고, 이에 따라 스풀(62)이 후진되면서 포펫(12)이 밸브시트(11)를 개방하게 된다.Accordingly, the movable iron core 6 is retracted by the repulsive force with the fixed iron core 41 and by the compressive elastic force of the compression spring 61, so that the poppet 12 is retracted while the spool 62 is reversed. 11) will open.

또한, 밸브시트(11)가 개방되면서 증기배출유로(10)가 연결되고, 이에 따라 압력용기내 고온고압의 증기가 증기배출유로를 통해 외부로 배출된다.In addition, the valve seat 11 is opened while the steam discharge passage 10 is connected, whereby the high temperature and high pressure steam in the pressure vessel is discharged to the outside through the steam discharge passage.

이때도 마이컴에서 코일(4)에 인가된 전류를 차단하게 되면 가동철심(6)에 유도된 전자력은 그대로 잔류되어 고정철심(41)과 가동철심 간의 척력은 유지되고, 증기배출유로(10)를 통한 증기의 배출이 계속적으로 이루어지게 된다.At this time, if the current applied to the coil 4 is blocked by the microcomputer, the electromagnetic force induced in the movable iron core 6 remains as it is, and the repulsive force between the fixed iron core 41 and the movable iron core is maintained and the steam discharge passage 10 is maintained. The discharge of steam through is continuously made.

본 고안은 영구자석과의 접촉으로 자성을 띠는 고정철심을 이용하여 전원차단 상태에서도 고정철심과의 인력 또는 척력을 갖도록 유도된 가동철심의 자기상태를 유지할 수 있게 함으로써 소비전력을 최소화할 수 있고, 스프링의 탄성력 약화 또는 발열에 의한 누설문제를 근원적으로 제거하며, 뿐만 아니라 가동철심의 반응성이 매우 우수하여 증기배출유로의 단속이 신속하게 이루어지고, 그 구조가 간단하면서 콤팩트하여 그 제조원가가 저렴한 효과를 제공하게 된다.The present invention can minimize the power consumption by maintaining the magnetic state of the movable iron induced by manpower or repulsion with the fixed iron even in the state of power off by using a fixed iron core that is magnetic by contact with the permanent magnet. It eliminates the problem of leakage due to weakening of spring's elastic force or heat generation. In addition, the responsiveness of the moving core is very excellent, and the steam discharge flow path is interrupted quickly, and its structure is simple and compact, and its manufacturing cost is low. Will be provided.

Claims (1)

마이컴의 제어에 따라 코일(4)에 전류가 인가되면 가동철심(6)이 유도 전자력에 의해 고정철심(41)에 부착되도록 전진되면서 스풀(62)의 포펫(12)이 밸브시트(11)를 차단하거나, 상기 코일(4)의 전류가 차단되면 유도전자력이 제거되면서 상기 가동철심(6)이 압축스프링(61)에 의해 후진되어 상기 스풀(62)의 포펫 (12)이 밸브시트(11)를 개방하여 증기배출유로(10)를 단속하게 되는 전기압력솥의 증기배출용 솔레노이드밸브에 있어서, 영구자석(5)을 설치하여 상기 고정철심(41)이 자기극성을 갖도록 자기유도하고, 상기 가동철심(6)의 자기극성에 따라 상기 가동철심(6)과 고정철심(41) 간에 인력 또는 척력이 발생되도록 이루어진 것을 특징으로 하는 전기압력솥의 증기배출용 솔레노이드밸브.When a current is applied to the coil 4 under the control of the microcomputer, the movable iron core 6 is advanced to be attached to the fixed iron core 41 by the induced electromagnetic force, and the poppet 12 of the spool 62 opens the valve seat 11. When the electric current of the coil 4 is cut off or the coil 4 is cut off, the movable iron core 6 is retracted by the compression spring 61 while the induced magnetic force is removed so that the poppet 12 of the spool 62 is the valve seat 11. In the solenoid valve for steam discharge of the electric pressure cooker to open the steam discharge flow path (10) to open, the permanent magnet (5) is installed to induce the fixed iron core 41 has a magnetic polarity, and the movable iron core The solenoid valve for steam discharge of the electric pressure cooker, characterized in that the attraction or repulsive force is generated between the movable iron core (6) and the fixed iron core (41) according to the magnetic polarity of (6).
KR2019980016666U 1998-09-03 1998-09-03 Solenoid Valve for Steam Discharge of Electric Pressure Cooker KR200241240Y1 (en)

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