RU2756151C1 - Sealed housing for electronic equipment products - Google Patents

Abstract

FIELD: radio electronics.

SUBSTANCE: invention relates to radio-electronic technology, namely to sealed housings of electronic equipment products. The sealed housing for electronic products consists of a base, external terminals, upper and lower covers and contains an internal cavity. The inner cavity of the housing contains a leak-proof sensor and a light source connected by an electrical connection to the power line. The housing contains one or more sections of a material whose dimensions and optical properties make it possible for them to be used as transfers of the luminous flux of the light source used.

EFFECT: invention is aimed at providing the possibility of constant monitoring of the tightness of the housings of electronic equipment products, including during operation, with the possibility of an instant reaction to the unsealing of the housing.

1 cl, 2 dwg

Description

The invention relates to electronic equipment, namely to sealed enclosures of electronic products (hereinafter IET), which are subject to high requirements for tightness.

Known sealed micromodule cases, patents: RU # 1568275, RU # 2037280, RU # 2526241 and others, the designs of which include bases (shells), external leads with ceramic or glass insulators and covers, including soldered.

The disadvantages of such housings are the degradation of the functional properties of IEP products located inside the housing, under conditions of an uncontrolled process of depressurization of the housing, as well as the impossibility of monitoring the tightness, including in working condition.

The closest technical solution is the tightness control device adopted as a prototype (patent RU No. 2538420 dated September 25, 2012), based on the use of sensors built into the housing, reacting to the penetration of oxygen or water vapor into the housing.

The disadvantages of such a device are the impossibility of monitoring the tightness during the operation of the device, the need for additional equipment for recording sensor data, which leads to a complication of the design, and also requires the development of a monitoring system for assessing the state of tightness.

The technical problem of the proposed invention is to ensure constant monitoring of the tightness of the IEP housings, including during operation, with the possibility of an instant reaction to the depressurization of the housing.

EFFECT: creation of sections made of material in a sealed housing for IEP, the dimensions and optical properties of which allow them to be used as transfectors of the luminous flux of a light source inside the housing.

To achieve the above technical result, the design of a sealed housing for IEP is proposed, consisting of a base, external leads, upper and lower covers, containing an internal cavity, characterized in that the internal cavity of the housing contains a tightness sensor and a light source, which are electrically connected to the power line, moreover, the body contains one or more sections of material, the dimensions and optical properties of which allow them to be used as transfectors of the luminous flux of the used light source.

The design of a sealed housing for IEP contains: base - 1, one or more sections of optically transparent material - 2, external leads - 3, top and bottom covers - 4, leakage sensor - 5 and light source - 6, connected by electrical connection - 7, connected to the power line - 8, electronic products - 9.

The device works as follows

When the body loses its tightness, the signal from the tightness sensor (5) goes to the light source (6). Radiation from the light source spreads throughout the entire inner volume of the body and through the body section (2), the size and material of manufacture of which allows you to create an optical channel - transfeder, through which the luminous flux of the light source, which acts as an information signal, is instantly directed outside the body and is recorded by the device or by the operator. The use of multicolor light sources helps to increase the informative value of diagnostics by calibrating the tightness sensor to register certain concentrations of substances and various degrees of depressurization of the case. Thus, the degree of degradation of the functional properties of the IEP is reduced, due to the reduction in the residence time of the loaded case in the depressurized state, and, consequently, the reliability of the IEP is increased.

Figure 1 shows a general view of the structure of a sealed housing for IEP (section). A window (2) formed at the base of the body was used as a transfeder of the luminous flux.

Figure 2 shows a general view of the structure of a sealed housing for IEP (section). As a transfeder of the luminous flux, windows (2) made of insulating material, formed around the outer terminals of the case, were used.

Example 1

Inside the body volume, consisting of a base (1) with dimensions L × W × H 100 × 150 × 20 mm and external leads (3), two upper and lower covers (4), an IET (9), a leakage sensor, a relative humidity (5) and a light source (6), united by electrical connection (7) and connected to the power line (8) IET. On one side of the base, a hole with a diameter of 6 mm was made, in which a "window" (2) was formed from transparent epoxy resin ED 20. A TR1-0300G pressure sensor with dimensions of 12 × 10 × 4 mm, voltage power supply 5 V and measuring range up to 2 MPa, as well as the HIH-4000-001 relative humidity sensor, which generate a control signal to the light source in case of partial or complete loss of the housing tightness. A BL-L515RGBC-CA multicolor LED was used as a light source (6). In case of partial or complete violation of the housing tightness, the signal from the TR1-0300G pressure sensor and the HIH-4000-001 relative humidity sensor goes to the BL-L515RGBC-CA multicolor LED. Depending on the signals from the sensors (5), which depend on the value of the relative humidity inside the volume of the case, a certain light (red yellow, etc.) lights up and through the transfeder, window (2), made of epoxy resin ED 20, instantly, at the speed of light , goes outside the case, which allows you to quickly respond to the depressurization of the case.

Example 2

External leads (3) of a sealed housing for IEP pass through a layer of material (2), which was formed at the base of the housing (1) from TK-2 glass, with dimensions in diameter of 3 mm and thickness of 2 mm. A TR1-0300G pressure sensor with dimensions of 12 × 10 × 4 mm, a supply voltage of 5 V and a measurement range of up to 2 MPa was used as a tightness sensor (5). The light source (6) was a BL-L522 red LED. In case of leakage of the case, the signal from the TR1-0300G pressure sensor goes to the BL-L522 LED and through the layer (2) of the TK-2 glass immediately goes outside the case.

The proposed invention makes it possible to continuously monitor the tightness of the IEP housings during operation and provides an instant response to the depressurization of the housing. The technical problem has been solved. In addition, with the use of multi-color light sources, it becomes possible to obtain a quantitative assessment of the substances penetrating into the body.

The technical result, the creation in a sealed housing for the IEP of one or more sections of material, the dimensions and optical properties of which allow them to be used as transfectors of the luminous flux of the used light source is fully achieved.

Claims (1)

A sealed housing for electronic products, consisting of a base, external leads, upper and lower covers, containing an internal cavity, characterized in that the internal cavity of the housing contains a tightness sensor and a light source, electrically connected to the power line, and the housing contains one or more areas made of material, the dimensions and optical properties of which allow them to be used as transponders of the luminous flux of the used light source.

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