CN210802755U - Integrated glass micro-melting coal mine hydraulic support pressure sensor - Google Patents

Abstract

The utility model belongs to the technical field of pressure sensor, in particular to an integrated glass micro-melting coal mine hydraulic support pressure sensor, which comprises a sensor shell, wherein a connecting frame is embedded and placed at one end of the sensor shell, a PCB template is erected at one end of the connecting frame, which is different from the sensor shell, a pin header is integrally formed at one end of the PCB template, which is different from the connecting frame, a pin guide plate is embedded and placed on the outer side surface of the pin header, and the outer side surface of the pin guide plate is connected with the pin guide plate; the pressure sensor adopts a glass micro-melting technology, a measuring medium only contacts a pressure sensing diaphragm, the pressure sensing diaphragm is deformed by pressure, a silicon strain gauge is sintered on the diaphragm and transmits a signal to a subsequent circuit, the sensor has an integrated structure in the using process, potential safety hazards such as leakage and the like are avoided, and the problems of low high pressure resistance, no overload, no high range, easy leakage and the like of the mining pressure sensor can be solved by adopting the technology.

Description

Integrated glass micro-melting coal mine hydraulic support pressure sensor

Technical Field

The utility model belongs to the technical field of pressure sensor, concretely relates to integral type glass melts colliery hydraulic support pressure sensor a little.

Background

The pressure sensor is a device or a device which can sense pressure signals and can convert the pressure signals into usable output electric signals according to a certain rule; generally consists of a pressure sensitive element and a signal processing unit. According to different test pressure types, the pressure sensor can be divided into a gauge pressure sensor, a differential pressure sensor and an absolute pressure sensor; the existing domestic mining hydraulic support pressure sensor technology has several: the first one is to adopt the technology of diffusion silicon oil charge, the silicon chip is a sensor that can induce pressure, in order to realize the isolation with the measured medium, need to weld the corrugated diaphragm of stainless steel, then pack the silicon oil between pressure induction silicon chip and the diaphragm, when there is pressure, the pressure is exerted on the corrugated diaphragm, transmit the silicon oil through the corrugated diaphragm, the silicon oil transmits the pressure to the silicon chip again, the silicon chip outputs the signal to the sintering base pin, transmit to the signal processing circuit behind, in the industrial environment, the sensor of this kind of principle, the pressure range can be up to 60Mpa at most, the range of higher range is difficult to realize; in other sensor technologies, such as ceramic thick film technology and the like, the sensing pressure is ceramic material, the range is between 500kpa and 10Mpa, and the sealing ring is required for sealing when the sensor is packaged in a stainless steel shell, so that the leakage hidden trouble is caused. No gap can be formed between the ceramic and the stainless steel; in the metal strain technology, a metal strain gauge is adhered to a diaphragm by glue, an inner hole of the diaphragm needs to be designed to be large and needs to be welded with a pressure port, leakage hidden danger exists, and in addition, the output sensitivity of metal strain is low, and the use is inconvenient; in view of the problems exposed to the current pressure sensors during use, there is a need for improved and optimized pressure sensors.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides an integral type glass melts colliery hydraulic support pressure sensor a little has the characteristics that promote product sensitivity, life-span and reliability.

In order to achieve the above object, the utility model provides a following technical scheme: integral type glass melts colliery hydraulic support pressure sensor a little, including sensor housing, the link has been placed to sensor housing's one end gomphosis, the link is different in sensor housing's one end and has been erect the PCB template, the PCB template is different in the one end integrated into one piece of link has the pin, the pin has been placed to the outside surface gomphosis of pin, the outside surface connection of pin has the pin needle, the end connection of pin has the connection cable, the shell body has been cup jointed with the outside of PCB template to the link, be equipped with seal assembly between sensor housing and the shell body.

As the utility model discloses a preferred technical scheme of integral type glass micro-melting colliery hydraulic support pressure sensor, seal assembly is including extending ring and first sealing washer, extend ring integrated into one piece at the one end outer wall of sensor housing, the outside surface gomphosis of extending the ring has placed first sealing washer, the side surface of first sealing washer contacts with the side of shell body.

As the utility model discloses an optimal technical scheme of integral type glass micro-melting colliery hydraulic support pressure sensor, the sensor housing is different from the inside forced induction diaphragm of having placed of one end of link.

As the utility model discloses a preferred technical scheme of integral type glass micro-melting colliery hydraulic support pressure sensor, the one end outside surface of sensor housing is equipped with the recess, and the retaining ring has been cup jointed to the outer wall of recess, the side of retaining ring is equipped with the second sealing washer.

As the utility model discloses a preferred technical scheme of integral type glass micro-melting colliery hydraulic support pressure sensor, the retaining ring is close to the outer wall that one side of extending the ring is located the sensor housing and has seted up the mining U type round pin formula quick-operation joint of evagination formula.

As the utility model discloses an optimal technical scheme of integral type glass microfusion colliery hydraulic support pressure sensor, the recess of inserting U type pin is offered to the outer wall that one side that the mining U type of evagination round pin formula quick-operation joint of formula is located sensor housing.

Compared with the prior art, the beneficial effects of the utility model are that: the pressure sensor adopts a glass micro-melting technology, a measuring medium only contacts a pressure sensing diaphragm, the pressure sensing diaphragm is deformed by pressure, a silicon strain gauge is sintered on the diaphragm and transmits a signal to a subsequent circuit, the integrated structure avoids potential safety hazards such as leakage in the use process of the pressure sensor, the pressure sensor adopts the technology to solve the problems of low high pressure resistance, no overload, no high range, easy leakage and the like of the mining pressure sensor, the integrated structure and the design of the universal mining U-shaped pin type quick connector are adopted, the mining pressure sensor is convenient to install quickly, the product has good stability and reliability, no hidden leakage hazard and convenient to install and maintain clearly.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic view of the connection structure of the present invention;

fig. 4 is a schematic view of the structure of the pin of the present invention;

in the figure: 1. an outer housing; 2. connecting a cable; 3. a sensor housing; 31. an extension ring; 32. a first seal ring; 33. a retainer ring; 34. a second seal ring; 4. a connecting frame; 41. a PCB template; 42. arranging needles; 5. a foot guide plate; 51. a pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: integral type glass micro-melting colliery hydraulic support pressure sensor, including sensor housing 3, link 4 has been placed to the one end gomphosis of sensor housing 3, PCB template 41 has been erect to link 4 different in sensor housing 3's one end, PCB template 41 is different in link 4's one end integrated into one piece has pin 42, pin 5 has been placed to pin 42's outside surface gomphosis, pin 5's outside surface connection has pin 51, pin 51's end connection has connecting cable 2, link 4 has cup jointed shell body 1 with PCB template 41's the outside, be equipped with seal assembly between sensor housing 3 and the shell body 1.

Specifically, the seal assembly includes an extension ring 31 and a first seal ring 32, the extension ring 31 is integrally formed on an outer wall of one end of the sensor housing 3, the first seal ring 32 is placed on an outer surface of the extension ring 31 in a fitting manner, a side surface of the first seal ring 32 is in contact with a side of the outer housing 1, and the first seal ring 32 in this embodiment improves the sealing performance between the sensor housing 3 and the outer housing 1.

Specifically, the pressure sensing diaphragm has been placed to sensor housing 3 different in the inside one end of link 4, and the measuring medium only contacts the pressure sensing diaphragm in this embodiment, and the pressure sensing diaphragm is compressed to produce deformation.

Specifically, the outer side surface of one end of the sensor housing 3 is provided with a groove, the outer wall of the groove is sleeved with a retainer ring 33, the side surface of the retainer ring 33 is provided with a second seal ring 34, and the second seal ring 34 improves the sealing performance of the device in the embodiment.

Specifically, one side of the retainer ring 33 close to the extension ring 31 is positioned on the outer wall of the sensor housing 3, and is provided with an outward-protruding mining U-shaped pin type quick coupling.

Specifically, one side of the outward-protruding mining U-shaped pin type quick connector is located on the outer wall of the sensor shell 3 and is provided with a groove for inserting a U-shaped pin, and the groove is convenient for the pressure sensor to be connected with external equipment in the embodiment.

The utility model discloses a theory of operation and use flow: the utility model discloses in this pressure sensor adopts glass to melt the technique a little, the measuring medium only contacts the pressure sensing diaphragm, the pressure sensing diaphragm is pressed and is produced deformation, it has the silicon strainometer to sinter on the diaphragm, the silicon strainometer is with signal transmission to follow-up circuit again, potential safety hazards such as leakage have been avoided to integrative structure in this sensor use, can realize long-term stable safe measurement, the diaphragm has sufficient thickness simultaneously, can bear the overload excessive pressure more than the twice and can not damage, the technique that glass melts a little makes the product have high sensitivity, good long-term stability.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. Integral type glass melts colliery hydraulic support pressure sensor a little, including sensor housing (3), its characterized in that: link (4) have been placed in the one end gomphosis of sensor housing (3), link (4) are different from one end of sensor housing (3) and erect PCB template (41), PCB template (41) are different from one end integrated into one piece of link (4) have pin header (42), pin board (5) have been placed in the outside surface gomphosis of pin header (42), the outside surface connection of pin board (5) has pin needle (51), the end connection of pin needle (51) has connection cable (2), shell body (1) has been cup jointed with the outside of PCB template (41) link (4), sensor housing (3) with be equipped with seal assembly between shell body (1).

2. The integrated glass micro-melting coal mine hydraulic support pressure sensor according to claim 1, wherein: the sealing assembly comprises an extension ring (31) and a first sealing ring (32), the extension ring (31) is integrally formed on the outer wall of one end of the sensor shell (3), the first sealing ring (32) is placed on the outer side surface of the extension ring (31) in a embedded mode, and the side surface of the first sealing ring (32) is in contact with the side of the outer shell (1).

3. The integrated glass micro-melting coal mine hydraulic support pressure sensor according to claim 1, wherein: and a pressure sensing diaphragm is arranged in one end of the sensor shell (3) different from the connecting frame (4).

4. The integrated glass micro-melting coal mine hydraulic support pressure sensor according to claim 1, wherein: the sensor shell is characterized in that a groove is formed in the surface of the outer side of one end of the sensor shell (3), a check ring (33) is sleeved on the outer wall of the groove, and a second sealing ring (34) is arranged on the side face of the check ring (33).

5. The integrated glass micro-melting coal mine hydraulic support pressure sensor according to claim 4, wherein: one side, close to the extension ring (31), of the retainer ring (33) is located the outer wall of the sensor shell (3) is provided with an outward protruding mining U-shaped pin type quick connector.

6. The integrated glass micro-melting coal mine hydraulic support pressure sensor according to claim 5, wherein: one side of the outward-protruding mining U-shaped pin type quick joint is positioned on the outer wall of the sensor shell (3) and is provided with a groove for inserting a U-shaped pin.

Images