CN210106834U

CN210106834U - Real-time leak detection device for fluid connector

Info

Publication number: CN210106834U
Application number: CN201920478824.8U
Authority: CN
Inventors: 李宗峰; 苏建; 宋晓光
Original assignee: CETC 23 Research Institute
Current assignee: CETC 23 Research Institute
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-02-21
Anticipated expiration: 2029-04-10

Abstract

The utility model relates to a real-time leak detection device of a fluid connector, which is characterized by comprising an inner socket shell, a double-O-shaped sealing ring, a pressure sensor and an inner plug shell, wherein the inner socket shell is sequentially provided with three grooves, the double-O-shaped sealing ring is respectively arranged in a first groove and a third groove of the inner socket shell, the pressure sensor is arranged in a second groove of the inner socket shell, the pressure sensor is sealed with an output adapter, the second groove of the pressure sensor is arranged between the first groove and the third groove of the double-O-shaped sealing ring, the real-time leak detection device of the fluid connector realizes intelligent monitoring of the liquid leakage of the fluid connector by utilizing the advantage that the pressure sensor can sensitively sense the pressure change, has the characteristics of real-time monitoring, easy installation and the like, and can detect the small amount of liquid leakage condition, the device is convenient for timely fault treatment and maintenance, and effectively solves the problem that liquid leakage is difficult to detect in the prior art.

Description

Real-time leak detection device for fluid connector

Technical Field

The utility model belongs to equipment testing field, the utility model relates to a fluid connector among the electronic product liquid cooling system connects intelligent monitoring device that liquid leaked in the use.

Background

The fluid connector is applied to equipment cooling systems and used for connection and transmission among liquid cooling systems, and the normal work of the liquid cooling systems can be ensured only when the plug and the socket of the fluid connector achieve good sealing effects in the connection and disconnection states; at present, a connector is generally sealed by adopting an O-shaped sealing ring, the O-shaped sealing ring is abraded along with the increase of the plugging and unplugging use times of the fluid connector, impurities are mixed in cooling liquid, and the plugging and unplugging clamping shell of the connector is vibrated and impacted in use, so that the liquid leakage of the fluid connector can be caused; when the fluid connector is connected and used, once liquid leakage occurs, the liquid is not treated in time, environmental pollution can be caused if the liquid is light, electronic equipment cannot work normally, unplanned shutdown and maintenance are increased, and life safety is threatened if the liquid is heavy. At present, the problems of plugging and pulling leakage, difficult liquid leakage inspection, inconvenient assembly and disassembly and the like generally exist when the existing fluid connector is used in a liquid cooling system.

At present, the fluid connector reduces the occurrence of liquid leakage through the selection of product sealing structure design and sealing materials, does not have the function of detecting liquid leakage, is difficult to discover the leakage occurrence, and still has risks in the safe operation of the whole electronic equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the liquid leakage problem that above-mentioned background art exists, provide a fluid connector's real-time leak hunting device, utilize pressure sensor can sensitive experience pressure variation's advantage to realize the intelligent monitoring of fluid connector liquid leakage, have characteristics such as real-time supervision, easy installation, can detect the liquid leakage condition of small quantity, be convenient for in time carry out fault handling and maintenance.

For solving the technical problem, the technical solution of the utility model is realized as follows:

the utility model provides a real-time leak hunting device of fluid connector, its characterized in that includes socket inner shell 1, first O shape sealing washer 2, second O shape sealing washer 4, pressure sensor 3 and constitutes with plug inner shell 6, socket inner shell 1 inner circle is provided with three recess, first O shape sealing washer 2, second O shape sealing washer 4 are installed respectively in socket inner shell inner circle first recess 101 and third recess 103, pressure sensor 3 is installed in socket inner shell 1 inner circle second recess 102, pressure sensor 3 has sealed output adapter 5, pressure sensor 3 place second recess 102 sets up in the centre of two O shape sealing washers place first recess 101 and third recess 103.

Further, the second groove 102 where the pressure sensor 3 is located is provided with an output adapter 5 packaging port connected with the pressure sensor 3.

Furthermore, the inner wall of the socket inner shell 1 and the outer wall of the plug inner shell 6 are provided with steps.

Further, the inner wall of the socket inner shell 1 and the outer wall of the plug inner shell 6 are of a two-layer step structure, the front inner wall 106 of the socket inner shell 1, which is close to the first groove 101, is higher than the step surface of the rear inner wall 107, which is close to the third groove 103, of the socket inner shell, the inner diameter of the rear inner wall 107 of the socket inner shell 1 is slightly smaller than the inner diameter of the first O-shaped sealing ring 2, the rear sealing outer wall 601 of the plug inner shell 6 is higher than the step surface of the front sealing outer wall 602, the front sealing outer wall 602 of the plug inner shell 6 is in sealing fit with the second O-shaped sealing ring 4, and the rear sealing outer wall 601.

Furthermore, the longitudinal sectional area of a first O-shaped sealing ring 2 in the double O-shaped sealing ring, which is close to the socket end of the socket inner shell 1, is larger than that of a second O-shaped sealing ring 4.

Further, the three grooves of the socket inner shell 1 are arranged on the inner wall, and are a first groove 101, a second groove 102 and a third groove 103 from the end close to the socket end, and the first groove 101 and the third groove 103 are sealing grooves into which a first O-shaped sealing ring 2 and a second O-shaped sealing ring 4 are respectively and correspondingly embedded.

Further, output adapter 5 is sealed connectors such as airtight connector, radio frequency seal connector, pressure sensor 3 is CX type or ZD type film pressure sensor.

Further, a guide angle 105 is arranged at the socket end of the socket inner shell 1, and a chamfer 108 is arranged between the end surface of the inner side of the second groove of the inner ring of the socket inner shell of the fluid connector, which is close to the third groove, and the inner wall of the adjacent socket inner shell.

Further, the setting angle range of the guide angle 105 is 20 degrees to 45 degrees, and the setting angle range of the chamfer 108 is 20 degrees to 45 degrees.

The utility model discloses following beneficial effect can be brought:

the utility model discloses when not changing current fluid coupling disconnection and connection result of use, do not change fluid coupling installation dimension, only make the adjustment slightly at original fluid coupling structural plug inner shell and socket inner shell, increase a O shape sealing washer and have sealed the pressure sensor who has output adapter, utilize the sensitive perception pressure of pressure sensor to change and can realize detecting when connector liquid leaks the initial stage, in time discover to leak the problem and carry out fault handling.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a socket of the real-time leak detection device for a fluid connector of the present invention;

fig. 2 is a schematic structural diagram of the inner shell of the socket of the present invention;

FIG. 3 is a schematic structural view of the pressure sensor with the output adapter of the present invention;

fig. 4 is a schematic view of the assembly structure of the real-time leak detection device for the fluid connector of the present invention;

wherein:

1 inner housing 101 of socket, first groove 102, second groove 103 and third groove

104 adaptor mounting port 105 leading to corner 106 leading to inner wall 107 trailing inner wall

108 chamfer

2 first O-ring 3 pressure sensor 301 cavity

4 second O-ring 5 output adapter 6 plug inner shell 601 rear sealing outer wall

602 front sealed outer wall 11 plug 12 socket

Detailed Description

To further explain the technical means, creation features, achievement objects and functions of the present invention, it is easy to understand and understand that the following detailed description, with reference to the accompanying drawings and preferred embodiments, describes the specific implementation, structure, features and functions of the device for real-time leak detection of a fluid connector according to the present invention.

As shown in fig. 1, the embodiment includes an inner socket shell 1, a first O-ring 2, a second O-ring 4, and a pressure sensor 3 with an output adapter 5, three grooves are opened on an inner wall of a socket end of the inner socket shell 1, the first groove 101 and the third groove 103 are sealing grooves, the first O-ring 2 and the second O-ring 4 are respectively embedded in the sealing grooves, so as to achieve double-layer sealing protection of the fluid connector, the pressure sensor 3 sealed with the output adapter 5 is placed in the second groove 102, the pressure sensor 3 is fixed to the groove wall of the second groove 102 in an adhering manner, and is sealed with the output adapter 5 at an adapter mounting port 104 of the inner socket shell 1 and connected with an external circuit, and the output adapter 5 and the adapter mounting port 104 are sealed and packaged.

As shown in fig. 2, the inner wall of the inner socket shell 1 of this embodiment is a two-step structure, the front inner wall 106 of the inner socket shell 1 close to the first groove 101 is higher than the step surface of the rear inner wall 107 close to the third groove 103, and the inner diameter of the rear inner wall 107 of the inner socket shell 1 is slightly smaller than the inner diameter of the first O-shaped sealing ring 2, so that the abrasion of the O-shaped sealing ring 2 in the insertion process of the fluid connector can be reduced, the service life of the O-shaped sealing ring 2 can be prolonged, a guide angle 105 of 30 ° is provided at the socket end of the inner socket shell 1, and a chamfer 108 of 30 ° is provided between the inner side end surface of the second groove 102 of the inner socket shell inner ring of the fluid connector close to the third groove 103 and the rear inner.

As shown in fig. 3, the present embodiment includes a pressure sensor 3 and an output adapter 5, wherein the output adapter 5 is a hermetic connector and is sealed with the pressure sensor 3.

As shown in fig. 4, the embodiment includes a socket 12 and a plug 11 engaged with the socket, a sealing section is provided at a socket end of the socket 12, a rear sealing outer wall 601 and a front sealing outer wall 602 of a plug inner housing 6 of the plug 11 are in a step structure, and the step surface of the rear sealing outer wall 601 is higher than that of the front sealing outer wall 602, in the process of inserting the plug 11 into the socket 12, the front sealing outer wall 602 of the plug inner housing 6 is firstly inserted into the front inner wall 106 of the socket inner housing 1 and then inserted into the rear inner wall 107 of the socket inner housing 1, in this process, the position of the plug is gradually corrected, and finally the plug is accurately inserted into place, so as to reduce the opposite insertion jamming, when the plug 11 is inserted into and conducted with the socket 12, the first O-shaped sealing ring 2 is pressed into the first groove 101 by the rear sealing outer wall 601 of the plug inner housing 6 and the socket inner housing 1, the second O-shaped, make pressure sensor 3 place cavity 301 form the sealed chamber, when the sealed inefficacy of second O shape sealing washer 4, under connector internal pressure, inside liquid flows in pressure sensor 3 place cavity 301, make cavity 301 internal pressure change, liquid and atmospheric pressure dual action are on pressure sensor 3, pressure sensor 3 produces pressure signal and changes it into the signal of telecommunication and pass through adapter 5 and connecting circuit and convey to the distal end, realize the real-time supervision of liquid leakage in the fluid coupling, and guarantee that the fluid coupling still is for inserting the sealed state.

In the second embodiment, based on the first embodiment, the output adapter 5 is replaced by a radio frequency sealed connector, the pressure sensor 3 is a CX type thin film pressure sensor, the guide angle 105 is set to be 20 degrees, and the chamfer 108 is set to be 20 degrees.

Third embodiment, based on the first embodiment, the pressure sensor 3 is a ZD-type membrane pressure sensor, the guide angle 105 is set at 45 °, and the chamfer 108 is set at 45 °.

The utility model discloses the real-time leak hunting device principle of fluid connector does: when the connector uses, the wearing and tearing of O shape sealing washer can aggravate along with the increase of plug number of times gradually, thoughtlessly there is impurity in the coolant liquid, connector plug card shell, receive the vibration in the use, strike, fluid connector is the leakage probably to appear, liquid can flow from second O shape sealing washer 4 and casing clearance, pressure sensor place cavity atmospheric pressure increase, when atmospheric pressure or a quantitative leakage liquid contact act on pressure sensor, make pressure sensor take place deformation and turn into the signal of telecommunication with this deformation, the signal of telecommunication of production passes through adapter and connecting circuit and conveys to the distal end, realize the real-time supervision of liquid leakage in the fluid connector.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A real-time leak detection device for a fluid connector is characterized by comprising a socket inner shell (1), a first O-shaped sealing ring (2), a pressure sensor (3), a second O-shaped sealing ring (4), an output adapter (5) and a plug inner shell (6), the inner ring of the socket inner shell (1) is provided with three grooves, the first O-shaped sealing ring (2) and the second O-shaped sealing ring (4) are respectively arranged in the first groove (101) and the third groove (103) of the inner ring of the socket inner shell, the pressure sensor (3) is arranged in a second groove (102) of the inner ring of the socket inner shell (1), the pressure sensor (3) is connected with the output adapter (5) in a sealing mode, and the second groove (102) where the pressure sensor (3) is located is arranged between the first groove (101) where the double-O-shaped sealing ring is located and the third groove (103).

2. The apparatus for real-time leak detection of a fluid connector as set forth in claim 1, wherein the pressure sensor (3) is provided at the second recess (102) with an output adapter (5) packaging port connected to the pressure sensor (3).

3. The fluid connector real-time leak detection device as claimed in claim 2, wherein the inner wall of the socket inner housing (1) and the outer wall of the plug inner housing (6) are provided with steps.

4. The real-time leakage detection device for the fluid connector is characterized in that the inner wall of the inner socket shell (1) and the outer wall of the inner plug shell (6) are of a two-layer step structure, the front inner wall (106) of the inner socket shell (1) close to the first groove (101) is higher than the step surface of the rear inner wall (107) close to the third groove (103), the inner diameter of the rear inner wall (107) of the inner socket shell (1) is slightly smaller than the inner diameter of the first O-shaped sealing ring (2), the rear sealing outer wall (601) of the inner plug shell (6) is higher than the step surface of the front sealing outer wall (602), the front sealing outer wall (602) of the inner plug shell (6) is in sealing fit with the second O-shaped sealing ring (4), and the rear sealing outer wall (601) of the inner plug shell (6) is in sealing fit with the first O-shaped sealing ring (2).

5. The apparatus for real-time leak detection of a fluid connector as set forth in claim 4, wherein a first O-ring (2) of said double O-rings adjacent to the socket end of the inner housing (1) of the socket has a larger longitudinal sectional area than a second O-ring (4).

6. The real-time leak detection device for the fluid connector is characterized in that three grooves of the inner socket shell (1) are formed in the inner wall, starting from the position close to the socket end, a first groove (101), a second groove (102) and a third groove (103) are sequentially formed, and a first O-shaped sealing ring (2) and a second O-shaped sealing ring (4) are correspondingly embedded into sealing grooves of the first groove (101) and the third groove (103).

7. The apparatus for real-time leak detection of a fluid connector according to claim 6, wherein the output adapter (5) is a hermetic connector such as a hermetic connector, a radio frequency hermetic connector or the like, and the pressure sensor (3) is a CX type or ZD type thin film pressure sensor.

8. The apparatus for real-time leak detection of a fluid connector as claimed in claim 6, wherein the socket end of the inner housing (1) of the socket is provided with a guide angle (105), and a chamfer (108) is formed between the inner end surface of the second groove of the inner ring of the inner housing of the fluid connector, which is close to the third groove, and the inner wall of the adjacent inner housing of the socket.

9. The apparatus for real-time leak detection of a fluid connector as set forth in claim 8, wherein said guide angle (105) is set in an angular range of 20 ° to 45 °, and said chamfer (108) is set in an angular range of 20 ° to 45 °.