CN212159750U

CN212159750U - Quick-connection type gas monitoring alarm

Info

Publication number: CN212159750U
Application number: CN202020960660.5U
Authority: CN
Inventors: 刘亮; 王杨匀; 杨秀明; 崔善超; 陈云
Original assignee: JIANGSU RED LIGHT INSTRUMENT AND METER PLANT CO LTD
Current assignee: JIANGSU RED LIGHT INSTRUMENT AND METER PLANT CO LTD
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2020-12-15
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses a quick-connection type gas monitoring alarm, which comprises a shell, wherein a control panel is arranged in the shell, and a plurality of signal connectors for wiring are arranged on the control panel; the front surface of the shell is provided with a transparent display cover for observing data, and the back surface of the shell is provided with a base for fixed installation; the side wall of the shell is provided with a through hole communicated with the inside of the shell, the signal connector is connected with a signal socket used for external connection through a data line, the signal socket is arranged at the opening of the through hole and is in butt joint with the signal connector on the outer side for data transmission. The utility model can directly connect the signal connector on the control panel with the signal connector outside through the signal socket; the installation is more convenient, and labour saving and time saving.

Description

Quick-connection type gas monitoring alarm

Technical Field

The utility model relates to an instrument and meter technical field, concretely relates to connect formula gas monitoring alarm soon.

Background

The precise digital testing instrument is internally provided with a plurality of control panels, because the first layer of the instrument needs to display numbers through a display screen, the PCB control panel of the first layer is a display circuit mainly based on the display screen, and the external connector, the power circuit and the like of the control panel can be arranged on the PCB control panel of the second layer or the third layer. The control panels are usually detachably and fixedly connected by threaded fasteners; and finally, pasting a screen saver on the PCB control board on the first layer for protection.

When the instrument is transported to a specified construction site for installation, a signal connector externally connected with the instrument is required to be connected with a line of the construction site; when the signal connector is connected, the display cover needs to be opened, then a layer of PCB control panel, screen protector and the like on the outer side of the signal connector are disassembled by a screwdriver and other tools, the signal connector is exposed, and then the signal connector can be connected with a line of a construction point; after the connection is completed, the PCB control board needs to be mounted layer by layer according to the original shape, which is very troublesome.

Sometimes, in order to save trouble, an installer can directly connect the PCB control board on the outer side and place the PCB control board in the shell after wiring is finished, and the PCB control board can not be fixedly connected with the shell. Therefore, the problems of circuit short circuit and the like can occur after the instrument is used for a period of time, so that the PCB control panel is damaged; bringing great negative impact to enterprises.

Disclosure of Invention

Aiming at the technical problem, the technical scheme provides the quick-connection type gas monitoring alarm, which can effectively solve the problem.

The utility model discloses a following technical scheme realizes:

a quick-connection type gas monitoring alarm comprises a shell, wherein a control panel is arranged in the shell, and a plurality of signal connectors for wiring are arranged on the control panel; the front surface of the shell is provided with a transparent display cover for observing data, and the back surface of the shell is provided with a base for fixed installation; the side wall of the shell is provided with a through hole communicated with the inside of the shell, the signal connector is connected with a signal socket used for external connection through a data line, the signal socket is arranged at the opening of the through hole and is in butt joint with the signal connector on the outer side for data transmission.

Furthermore, the signal socket is arranged on the PCB, and the PCB is detachably and fixedly arranged at the opening of the through hole.

Furthermore, the signal socket is fixed on the PCB through a fastener or adhesive or a buckle, and the PCB is detachably and fixedly arranged at the opening of the through hole through the fastener or the buckle.

Furthermore, a top cover is fixedly connected to the opening of the through hole through threads; the transparent display cover is fixedly connected with the shell through threads; the thread is more than or equal to 10 circles.

Furthermore, the transparent display cover comprises a display cover and transparent glass, and a pressing ring is arranged between the transparent display cover and the shell.

Furthermore, sealing rings are arranged between the top cover and the through hole opening and between the display cover and the transparent glass.

Furthermore, the control panel comprises a PCB group arranged in the middle and a linking shell arranged at the outer side of the PCB group and used for linking and fixing the PCB group into a whole; the linking shell is detachably fixed in the shell through a fastener.

Furthermore, a limiting bulge is arranged on the contact surface of the connecting shell and the inner side wall of the shell; and a limiting groove matched with the limiting protrusion is arranged at the position corresponding to the limiting protrusion on the inner side wall of the shell.

(III) advantageous effects

The utility model provides a pair of connect formula gas monitoring alarm appearance soon compares with prior art, and it has following beneficial effect:

(1) the technical scheme is characterized in that a through hole is formed in the side wall of the shell, and a signal socket which is externally connected is arranged at the opening of the through hole; when the meter of the technical scheme is installed by an installer, the display cover does not need to be opened, and the PCB control panel is detached layer by layer; but the signal connector on the control panel is directly plugged with the signal connector on the outer side through the signal socket; the installation is more convenient, and labour saving and time saving.

(2) The signal sockets are arranged on the PCB, so that the signal sockets can be arranged orderly and are not messy, and an installer can install the signal sockets conveniently; moreover, the PCB is easier to be fixed at the opening of the through hole. And the PCB board can be disassembled and fixedly connected, so that the instrument and the meter can be conveniently opened and maintained when the instrument and the meter have faults.

(3) The design that the thread is more than or equal to 10 circles can fix the top cover and the transparent display cover more stably; making it more explosion-proof.

(4) The design of the pressing ring can more stably fix the control panel in the shell; and the design of the limiting bulges and the limiting grooves of the control panel and the inner wall of the shell can play a limiting role on the control panel, and the control panel is prevented from shaking in the shell.

(5) The sealing ring is arranged, so that the sealing performance of the instrument can be improved, and the accuracy of the instrument test can be improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the middle housing of the present invention.

Fig. 2 is a schematic view of the overall structure of the middle control panel of the present invention.

The labels in the figures are: the device comprises a shell 1, a limiting groove 11, a display cover 21, transparent glass 22, a 3-O-shaped ring, a 4-pressing ring, a base 5, a mounting hole 51, a through hole 6, a top cover 7, a PCB group 81, a connecting shell 82, a limiting bulge 821, a PCB board 91, a signal connector 92, a signal socket 10 and a data line 12.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The described embodiments are only some, but not all embodiments of the invention. Under the prerequisite that does not deviate from the design concept of the utility model, the ordinary person in the art should fall into the protection scope of the utility model to the various changes and improvements that the technical scheme of the utility model made.

Example 1:

the utility model provides a connect formula gas monitoring alarm appearance soon, includes casing 1, there is the transparent display lid that is used for observing data in casing 1's front through threaded connection, and transparent display lid is provided with between display lid 21 and transparent glass 22 and is used for sealed O type circle 3 including showing lid 21 and transparent glass 22.

A base 5 for fixed installation is formed on the back of the shell 1 through a fastener or welding or in an integrated mode, and an installation hole 51 for installation is formed in the middle of the base 5.

The top of the shell 1 is provided with a through hole 6 communicated with the interior of the shell, and the opening of the through hole 6 is fixedly connected with a top cover 7 through threads; an O-ring 3 for sealing is arranged between the top cover 7 and the opening of the through hole 6.

In the embodiment, the screw thread between the transparent display cover and the shell 1 and the screw thread between the top cover 7 and the opening of the through hole 6 are more than or equal to 10 circles; the thickness of the thread is more than or equal to 1 cm.

A control panel is arranged in the shell 1, and a pressing ring 4 is arranged between the transparent display cover and the control panel. The control panel comprises a PCB group 81 arranged in the middle and a connecting shell 82 arranged on the outer side of the PCB group 81 and used for connecting and fixing the PCB group 81 into a whole; the joint housing 82 is detachably fixed inside the housing 1 by a fastener.

A limiting bulge 821 is arranged on the contact surface of the connecting shell 82 and the inner side wall of the shell 1; a limiting groove 11 matched with the limiting protrusion 821 is provided at a position corresponding to the limiting protrusion 821 on the inner side wall of the housing 1. When the control panel is installed in the housing 1, the limit projection 821 is engaged with the limit groove 11.

The control board set 81 is provided with a plurality of signal connectors for wiring, the signal connectors are connected with a signal socket 10 for external connection through data lines, the signal socket 10 is fixed on the PCB 91 through a fastener or adhesive or a buckle, and the PCB 91 is detachably and fixedly installed at the opening of the through hole 6 through the fastener or the buckle. The signal socket 10 is arranged at the opening of the through hole 6 and is butted with the signal connector at the outer side for data transmission.

Claims

1. A quick-connection type gas monitoring alarm comprises a shell (1), wherein a control panel is arranged in the shell (1), and a plurality of signal connectors (92) for wiring are arranged on the control panel; the front surface of the shell (1) is provided with a transparent display cover for observing data, and the back surface of the shell (1) is provided with a base (5) for fixed installation; the method is characterized in that: be provided with on the lateral wall of casing (1) with casing (1) inside through-hole (6) that communicate, signal connector (92) be connected with through data line (12) and be used for external signal socket (10), signal socket (10) set up the opening part in through-hole (6), dock with signal connector (92) in the outside and carry out data transmission.

2. The quick-connect gas monitoring alarm instrument according to claim 1, characterized in that: the signal socket (10) is arranged on the PCB (91), and the PCB (91) can be detachably and fixedly arranged at the opening of the through hole (6).

3. The quick-connection type gas monitoring alarm instrument according to claim 1 or 2, characterized in that: the signal socket (10) is fixed on the PCB (91) through a fastener or adhesive or a buckle, and the PCB (91) is detachably and fixedly arranged at the opening of the through hole (6) through the fastener or the buckle.

4. The quick-connect gas monitoring alarm instrument according to claim 1, characterized in that: the opening of the through hole (6) is fixedly connected with a top cover (7) through threads; the transparent display cover is fixedly connected with the shell (1) through threads; the thread is more than or equal to 10 circles.

5. The quick-connect gas monitoring alarm instrument according to claim 4, wherein: the transparent display cover comprises a display cover (21) and transparent glass (22), and a pressing ring (4) is arranged between the transparent display cover and the control panel.

6. The quick-connect gas monitoring alarm instrument according to claim 5, wherein: and sealing rings are arranged between the top cover (7) and the opening of the through hole (6) and between the display cover (21) and the transparent glass.

7. The quick-connect gas monitoring alarm instrument according to claim 1, characterized in that: the control panel comprises a PCB group (81) arranged in the middle and a connection shell (82) arranged on the outer side of the PCB group (81) and used for connecting and fixing the PCB group (81) into a whole; the connecting shell (82) is detachably fixed in the shell (1) through a fastener.

8. The quick-connect gas monitoring alarm instrument according to claim 7, wherein: a limiting bulge (821) is arranged on the contact surface of the connecting shell (82) and the inner side wall of the shell (1); and a limiting groove (11) matched with the limiting protrusion (821) is arranged at the position corresponding to the limiting protrusion (821) on the inner side wall of the shell (1).