CN213091038U

CN213091038U - Pressure sensing device

Info

Publication number: CN213091038U
Application number: CN202022556874.9U
Authority: CN
Inventors: 周贤锋; 吴太山; 王文军
Original assignee: Shenzhen Shengxinlong Technology Co ltd
Current assignee: Shenzhen Shengxinlong Technology Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-04-30
Anticipated expiration: 2030-11-06

Abstract

The utility model relates to the technical field of mechanical equipment, a pressure sensing device is disclosed, which comprises a housin, bottom in the casing is provided with the silastic-ring, the upper portion of silastic-ring is provided with the silastic-ring piece, the both ends of silastic-ring piece are provided with the connecting wire respectively, one side the connecting wire runs through the casing lateral wall and is connected with output connector, the opposite side the connecting wire is connected with the lead wire, the lower part of lead wire is passed lead wire fixed establishment and is extended to the outside, the upper and lower both sides of casing all are provided with the blow. The utility model discloses a casing that sets up wraps up silicon ring, silastic-diaphragm in inside, plays good protecting effect to the silastic-diaphragm passes through the lead wire and realizes being connected with output connector, and the lead wire can continuously realize the electric quantity with output connector and carry, thereby can the quick measurement go out the pressure value on the device, guarantees ressure measurement's accurate nature.

Description

Pressure sensing device

Technical Field

The utility model relates to the technical field of mechanical equipment, especially, relate to forced induction device.

Background

The pressure sensing device is widely applied to water pressure sensing devices, machine tools and hydraulic and pneumatic systems, and is connected with a control system through the pressure sensing device to transmit signals and control starting and stopping of an actuating mechanism.

Through the retrieval, chinese patent No. CN209280193U relates to a pressure sensing device, including the body, this internal cavity that is equipped with in the cavity and can follows the support of body axial displacement, be equipped with the elastic component between support and the body, still be equipped with the inductive switch that can respond to the support position in the cavity, the body is equipped with the die cavity along the axial, be equipped with the column boss that is located the die cavity on the support, still be equipped with the pressure runner that advances that is linked together with the die cavity on the body, still be equipped with the sealing washer that leans on mutually with the die cavity inner wall on the column boss, be equipped with the rib that can exert the resistance to the sealing washer on the die. The utility model provides an avoid under the unstable condition of system pressure, make the forced induction device can not frequently transmit the false signal.

The existing pressure sensing device has the following defects: the pressure-bearing part of the pressure sensing device is exposed at the outer end, so that the pressure sensing device is easy to damage, and needs to be maintained after being broken, so that the cost of the pressure sensing device is increased, and the waste of resources is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure sensing device, wrap up silicon ring, silicon diaphragm in inside through the casing that sets up, play good protecting effect to the silicon diaphragm passes through the lead wire and realizes being connected with output connector, thereby can the quick measurement to measure the pressure value on the device, guarantee the advantage of the accurate nature of pressure measurement, the pressure-bearing part of having solved current pressure sensing device exposes in the outer end, causes the damage very easily, need maintain after the bits of broken glass is bad, make the problem that pressure sensing device cost risees.

According to the utility model discloses pressure sensing device, which comprises a housin, bottom in the casing is provided with the silastic-ring, the upper portion of silastic-ring is provided with the silastic-ring piece, the both ends of silastic-ring piece are provided with the connecting wire respectively, one side the connecting wire runs through the casing lateral wall and is connected with output connector, the opposite side the connecting wire is connected with the lead wire, the lower part of lead wire is passed lead wire fixed establishment and is extended to the outside, the upper and lower both sides of casing all are provided with the blow vent.

Further, the top end inboard of silicon ring is provided with the mounting groove, the diapire edge and the silicon diaphragm of mounting groove laminate mutually.

Furthermore, polar plates are respectively arranged on two sides of the silicon diaphragm, contacts are arranged on the polar plates, and the connecting wires are respectively connected with the polar plates.

Further, the upper portion in the casing is the low-pressure chamber, silicon diaphragm lower part is the high-pressure chamber, the blow vent switch-on air current, the air current flows into the low-pressure chamber from the high-pressure chamber, the pressure detection when the silicon diaphragm realizes the air current through.

Further, a bolt is arranged on the output connector, and the output connector and the lead are fixedly connected through the bolt.

Furthermore, the lead fixing mechanism comprises a connector arranged on one side of the bottom end of the shell, and an inner clamping sleeve is fixed on the inner side of the connector.

Furthermore, an outer cutting sleeve is fixed on the outer side of the connecting port, and the bottom of the outer cutting sleeve extends downwards to the outer side of the connecting port.

Furthermore, one side of the lead penetrates through the inner cutting sleeve and the outer cutting sleeve and extends out of the connector, and the tail end of the lead is communicated with an external lead.

Furthermore, a matching sleeve opening is arranged in each of the inner clamping sleeve and the outer clamping sleeve in a penetrating mode, and the matching sleeve openings are connected with the outer wall of the lead in an interference fit mode.

Furthermore, the tail end of the lead is provided with a connecting hole, and one end of the external lead penetrates through the connecting hole to be bound, so that connection is completed.

Compared with the prior art, the utility model beneficial effect who has is:

1. the silicon ring and the silicon diaphragm are wrapped inside the device through the arranged shell, a good protection effect is achieved, the silicon diaphragm is connected with the output connector through the lead, when the pressure inside the device changes, the electric quantity on the silicon diaphragm changes, so that the value of electric quantity transmission changes, the lead and the output connector can continuously convey the electric quantity, the pressure value on the device can be quickly measured, and the accuracy of pressure measurement is guaranteed;

2. the lead wire is fixed through lead wire fixing mechanism realization, and interior cutting ferrule, the outer cutting ferrule on the lead wire fixing mechanism realize fixing the lead wire to the lead wire can slide in the cooperation running-on of interior cutting ferrule, outer cutting ferrule, with the outside length of adjusting the lead wire, thereby be convenient for be connected of lead wire and outside wire, increase the convenience that data was carried.

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 diagram of a pressure sensing device according to the present invention;

FIG. 2 is an enlarged view of the structure of the area A in FIG. 1;

fig. 3 is a top view of the silicon diaphragm and the silicon ring in the pressure sensing device of the present invention.

In the figure: 1-shell, 2-silicon ring, 3-silicon membrane, 4-low pressure cavity, 5-high pressure cavity, 6-output connector, 7-connecting wire, 8-lead, 9-vent, 10-connector, 11-inner card sleeve, 12-outer card sleeve, 13-matching sleeve opening, 14-mounting groove, 15-polar plate and 16-contact.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1-3, the preferred embodiment of the present invention is shown.

The pressure sensing device comprises a shell 1, a silicon ring 2 is arranged at the bottom in the shell 1, a silicon membrane 3 is arranged at the upper part of the silicon ring 2, connecting wires 7 are respectively arranged at two ends of the silicon membrane 3, the connecting wire 7 at one side penetrates through the side wall of the shell 1 to be connected with an output connector 6, the connecting wire 7 at the other side is connected with a lead wire 8, the lower part of the lead wire 8 penetrates through a lead wire fixing mechanism and extends to the outside, vent holes 9 are respectively arranged at the upper side and the lower side of the shell 1, the upper part in the shell 1 is a low-pressure cavity 4, the lower part of the silicon membrane is a high-pressure cavity 5, the vent holes 9 are communicated with air flow, the air flow flows into the low-pressure cavity 4 from the high-pressure cavity 5, the silicon membrane 3 realizes pressure detection during the air flow, the vent holes 9 realize the flow in and out of the, so that the pressure value on the device can be measured quickly.

In this embodiment, the top end of the silicon ring 2 is provided with an installation groove 14, the bottom wall edge of the installation groove 14 is attached to the silicon diaphragm 3, the two sides of the silicon diaphragm 3 are respectively provided with a polar plate 15, the polar plates 15 are respectively provided with a contact 16, and the connecting wires 7 are respectively connected with the polar plates 15, so that circuit communication is realized.

In this embodiment, the output connector 6 is provided with a bolt, and the bolt realizes connection and fixation of the output connector 6 and the lead.

In this embodiment, lead wire fixing mechanism is including setting up the connector 10 in 1 bottom one side of casing, connector 10's inboard is fixed with interior cutting ferrule 11, connector 10's the outside is fixed with outer cutting ferrule 12, the outside of connector 10 is extended downwards to the bottom of outer cutting ferrule 12, lead wire 8 one side runs through interior cutting ferrule 11, outer cutting ferrule 12 extends connector 10, and lead wire 8's end and outside wire put through mutually, interior cutting ferrule 11, all run through in the outer cutting ferrule 12 and be provided with cooperation cuff 13, cooperation cuff 13 all is connected with the outer wall interference fit of lead wire 8, lead wire 8 can be including cutting ferrule 11, slide in the cooperation cuff of outer cutting ferrule 12, with the outside length of adjusting lead wire 8, thereby be convenient for lead wire 8 and outside wire's being connected.

In this embodiment, the end of the lead 8 is provided with a connection hole, and one end of the external wire is bound through the connection hole to complete the connection, so that the connection mode is simple and convenient.

When the technical scheme is used, the silicon diaphragm 3 is connected with the output connector 6 through the lead 8, when the internal pressure changes, the electric quantity on the silicon diaphragm 3 changes, thereby causing the value of the power transmission to change, and the lead wire 8 and the output connector 6 can continuously realize the power transmission, thereby the pressure value on the device can be rapidly measured, the accuracy of pressure measurement is ensured, the lead wire 8 is fixed by the lead wire fixing mechanism, the inner clamping sleeve 11 and the outer clamping sleeve 12 on the lead wire fixing mechanism realize the fixation of the lead wire 8, and the lead 8 can slide in the matching mouths of the inner cutting sleeve 11 and the outer cutting sleeve 12 to adjust the external length of the lead 8, thereby be convenient for lead wire 8 and external wire's being connected, increase the convenience that data was carried, the casing 1 through setting up in addition with the parcel of silicon ring 2, silicon diaphragm 3 inside, play good safeguard effect.

In this embodiment, the whole operation process can be controlled by a computer, and PLC and the like are added to realize automatic operation control, and in each operation link, signal feedback can be performed by setting a sensor to realize sequential execution of steps, which are conventional knowledge of the current automatic control, and are not repeated in this embodiment.

The details of the present invention are well known to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Pressure-sensitive device, its characterized in that: the novel silicon wafer packaging device comprises a housing, bottom in the casing is provided with the silicon ring, the upper portion of silicon ring is provided with the silicon diaphragm, the both ends of silicon diaphragm are provided with the connecting wire respectively, one side the connecting wire runs through the casing lateral wall and is connected with output connector, the opposite side the connecting wire is connected with the lead wire, the lower part of lead wire is passed lead wire fixed establishment and is extended to the outside, the upper and lower both sides of casing all are provided with the blow vent.

2. The pressure sensing device of claim 1, wherein: the top end of the silicon ring is provided with an installation groove, and the edge of the bottom wall of the installation groove is attached to the silicon membrane.

3. The pressure sensing device of claim 2, wherein: and polar plates are respectively arranged on two sides of the silicon diaphragm, contacts are arranged on the polar plates, and the connecting wires are respectively connected with the polar plates.

4. A pressure sensing device according to claim 3, wherein: the upper portion in the casing is the low-pressure chamber, silicon diaphragm lower part is the high-pressure chamber, the blow vent switches on the air current, the air current flows into the low-pressure chamber from the high-pressure chamber, the pressure detection when the silicon diaphragm realization air current passes through.

5. The pressure sensing device of claim 4, wherein: and a bolt is arranged on the output connector, and the output connector and the lead are fixedly connected through the bolt.

6. A pressure sensing device according to any one of claims 1 to 5, wherein: the lead fixing mechanism comprises a connector arranged on one side of the bottom end of the shell, and an inner clamping sleeve is fixed on the inner side of the connector.

7. The pressure sensing device of claim 6, wherein: an outer clamping sleeve is fixed on the outer side of the connector, and the bottom of the outer clamping sleeve extends downwards to the outer side of the connector.

8. The pressure sensing device of claim 7, wherein: one side of the lead penetrates through the inner clamping sleeve and the outer clamping sleeve and extends out of the connector, and the tail end of the lead is communicated with an external lead.

9. The pressure sensing device of claim 8, wherein: and the inner clamping sleeve and the outer clamping sleeve are internally provided with matching sleeve openings in a penetrating manner, and the matching sleeve openings are connected with the outer wall of the lead in an interference fit manner.

10. The pressure sensing device of claim 9, wherein: the tail end of the lead is provided with a connecting hole, and one end of the external lead penetrates through the connecting hole to be bound to complete connection.