CN209511258U - Liquid metal valve leakage alarming device - Google Patents
Liquid metal valve leakage alarming device Download PDFInfo
- Publication number
- CN209511258U CN209511258U CN201822131398.9U CN201822131398U CN209511258U CN 209511258 U CN209511258 U CN 209511258U CN 201822131398 U CN201822131398 U CN 201822131398U CN 209511258 U CN209511258 U CN 209511258U
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- connector sleeve
- protective case
- valve body
- central electrode
- liquid metal
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Abstract
The utility model discloses a kind of liquid metal valve leakage alarming devices, including valve body, valve body is provided with valve body conduction hole on the side wall of valve rod, it further include connector sleeve and protective case, connector sleeve one end is fixedly connected with the valve body, the other end being fixedly connected removably with protective case, connector sleeve and protective case are hollow, the hollow of connector sleeve includes the connector sleeve conduction hole being connected to valve body conduction hole, connector sleeve and protective case it is hollow in be equipped with central electrode and lateral electrode, central electrode and lateral electrode are drawn by conducting wire respectively, forming circuit is connect with external power supply and alarm.The leakage alarming device can monitor valve leaks state, guarantee system safety operation；And structure is simple, mounts and dismounts simple, easy to repair.
Description
Technical field
The utility model relates to a kind of warning devices, belong to valve technology field, in particular to a kind of liquid metal valve
Leakage alarming device.
Background technique
The alloys such as sodium, lead bismuth are a kind of novel low melting point alloys.Due to its with good neutronics performance with
And the characteristics such as heat transfer property, it has been widely used in nuclear power system Small reactor heap core cooling system as coolant material
Material.
Generally pressure transmitter is arranged in system core position in existing valve leaks warning device, by the pressure in system
Signal is converted to electric signal in real time and is sent to control room, which is connected with alarm lamp, valve leak or the system failure
When decompression, alarm lamp flashing issues alarm signal.But the slow leakage of medium can not find that reaction is slow in time in the device,
Hysteresis quality is serious, and can not quickly determine specific valve location.
Chinese patent CN104653789B discloses a kind of electric heating liquid metal valve with leak detection, the metal valve
Door is equipped with two sniffer probes in the gap of valve deck and valve body, to form open loop time by connecting with external power supply and alarm
Road.The sniffer probe is fixedly connected non-dismountable with the valve deck of valve body, after leaking, can not remove sniffer probe and valve
The junction of body cannot clear up the liquid metal of leakage in time, be constantly in two sniffer probes after being easy to cause it to solidify
On state, so that warning device fails.
Utility model content
The purpose of this utility model seeks to overcome above-mentioned the shortcomings of the prior art, provides a kind of installation and removal letter
Single, liquid metal valve leakage alarming device easy to repair.
To achieve the above object, the utility model provides a kind of liquid metal valve leakage alarming device, including connector sleeve
And protective case, the connector sleeve and protective case be it is hollow, one end of the connector sleeve is provided with to be connected to the hollow of connector sleeve
Conduction hole, the other end being fixedly connected removably with protective case, the connector sleeve and protective case it is hollow in be equipped with middle electrocardio
Pole and lateral electrode, the central electrode and lateral electrode are drawn by conducting wire respectively, are connect and to be formed with external power supply and alarm
Open loop.
Further, center electrode insulation set, the center are cased with outside the part that the central electrode is located in connector sleeve
Electrode insulation set is outer to be cased with metal-coating, and the metal-coating is to be threadedly coupled with connector sleeve inner wall.
Further, the metal-coating by connector sleeve conduction hole one end be equipped with protrusion lateral electrode, the lateral electrode with
Central electrode is kept fixed gap.
Further, insulator housing is cased with outside the part that the central electrode is located in protective case, outside the insulator
Set is threadedly coupled with metal-coating.
Further, the connector sleeve is equipped with concave station by protective case side, and the concave station is equipped with seal washer, the gold
Belong to housing and is fixed with pressing plate, the pressing plate and seal washer compression fit by insulator housing side.
Further, the central electrode is equipped with central electrode connector lug, the central electrode wiring by protective case one end
Head connects the circuit by conducting wire.
It further, further include valve body, the valve body is provided with the valve being connected to connector sleeve conduction hole on the side wall of valve rod
Body conduction hole is fixed with valve body wiring point on the valve body, and valve body wiring point connects the circuit by conducting wire.
The beneficial effects of the utility model are as follows:
1, valve leaks are monitored, guarantee system safety operation.It is provided with conduction hole on valve body and connects with connector sleeve conduction hole
Logical, when revealing at valve rod, liquid metal medium flows into connector sleeve conduction hole, so that central electrode and lateral electrode connect
Logical, the external circuit of central electrode and lateral electrode forms closed loop, triggers alarm equipment alarm.
2, it mounts and dismounts simple, easy to repair.Connector sleeve and protective case are detachably connected, in metal-coating and connector sleeve
Wall is threadedly coupled, and in this way after revealing generation, liquid metal is full of conduction hole, can first remove protective case, then will be outside metal
Set connection central electrode takes out together, reinstalls again after cleaning out.
Detailed description of the invention
Fig. 1 is the scheme of installation of leakage alarming device and valve.
Fig. 2 is the main view of leakage alarming device.
Fig. 3 is the A direction view in Fig. 2.
Each part numbers are as follows in figure: valve body 1, valve body conduction hole 101, valve body wiring point 102, connector sleeve 2, connector sleeve draw
Discharge orifice 201, concave station 202, protective case 3, central electrode 4, central electrode connector lug 401, center electrode insulation cover 5, metal-coating
6, lateral electrode 601, pressing plate 602, insulator housing 7, seal washer 8, alarm 9, conducting wire 10.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing, convenient for more clearly understanding that this is practical new
Type, but they do not constitute the utility model and limit.
As shown in Figures 1 to 3, a kind of liquid metal valve leakage alarming device, including valve body 1, valve body 1 lean on the side wall of valve rod
On be provided with valve body conduction hole 101, further include connector sleeve 2 and protective case 3,2 one end of connector sleeve and valve body 1 directly weld, the other end
Be threadedly coupled with protective case 3, connector sleeve 2 and protective case 3 be it is hollow, the hollow of connector sleeve 2 includes and valve body conduction hole 101 connects
Logical connector sleeve conduction hole 201, connector sleeve 2 and protective case 3 it is hollow in be equipped with central electrode 4 and lateral electrode 601, central electrode
4 and lateral electrode 601 drawn respectively by conducting wire 10, connect with external power supply and alarm 9 and to form open loop.In this way once
It is revealed at valve rod, the liquid metal medium of leakage flows into connector sleeve conduction hole from valve body conduction hole, and by central electrode
It is connected to lateral electrode, so that the external circuit that central electrode is connected with lateral electrode forms closed circuit, triggers alarm equipment alarm, control
Room personnel processed can determine the valve location of leakage according to alarm, so that emergency reaction is quickly made, the safety fortune of safeguards system
Row, after valve is revealed, removable protective case, and take out central electrode and lateral electrode, to the liquid metal medium of leakage into
Row cleaning, makes central electrode and lateral electrode be constantly in connected state after preventing liquid metal solidification, structure dismounting and dimension
It repairs more convenient.
In above-mentioned technical proposal, center electrode insulation set 5, center are cased with outside the part that central electrode 4 is located in connector sleeve 2
Metal-coating 6 is cased with outside electrode insulation set 5, metal-coating 6 is to be threadedly coupled with 2 inner wall of connector sleeve；Metal-coating 6 leans on connector sleeve
201 one end of conduction hole is equipped with the lateral electrode 601 of protrusion, and lateral electrode 601 and central electrode 4 are kept fixed gap；Central electrode 4
In being cased with insulator housing 7 outside the part in protective case 3, insulator housing 7 is threadedly coupled with metal-coating 6；Central electrode 4 leans on
3 one end of protective case is equipped with central electrode connector lug 401, is fixed with valve body wiring point 102, central electrode connector lug on valve body 1
401 and valve body wiring point 102 pass through 10 link circuit of conducting wire.In this way, lateral electrode by metallic sheath, connector sleeve and valve body with
The conducting of valve body wiring point, connector sleeve and protective case will also be passed through by avoiding lateral electrode, so that structure is simple；Central electrode and metal
Insulated body separates between set, connector sleeve and protective case, avoids central electrode when not revealing and is connected with lateral electrode.
In above-mentioned technical proposal, connector sleeve 2 is equipped with concave station 202 by 3 side of protective case, and concave station 202 is equipped with seal washer
8, metal-coating 6 is fixed with pressing plate 602, pressing plate 602 and 8 compression fit of seal washer by 7 side of insulator housing.It prevents in this way
The liquid metal of leakage is flowed into protective case from the hollow of connector sleeve, ensure that leakproofness.
Claims (7)
1. a kind of liquid metal valve leakage alarming device, it is characterised in that: including connector sleeve (2) and protective case (3), the company
Female connector (2) and protective case (3) be it is hollow, one end of the connector sleeve (2) is provided with the hollow connection being connected to connector sleeve (2)
It covers conduction hole (201), the other end being fixedly connected removably with protective case (3), the connector sleeve (2) and protective case (3)
Central electrode (4) and lateral electrode (601) are equipped in hollow, the central electrode (4) and lateral electrode (601) pass through conducting wire respectively
(10) it draws, connect to form open loop with external power supply and alarm (9).
2. liquid metal valve leakage alarming device according to claim 1, it is characterised in that: the central electrode (4)
It is cased with center electrode insulation set (5) outside the part in connector sleeve (2), metal is cased with outside the center electrode insulation set (5)
Housing (6), the metal-coating (6) are to be threadedly coupled with connector sleeve (2) inner wall.
3. liquid metal valve leakage alarming device according to claim 2, it is characterised in that: the metal-coating (6)
The lateral electrode (601) of protrusion is equipped with by connector sleeve conduction hole (201) one end, the lateral electrode (601) and central electrode (4) are kept
Fixed interval (FI).
4. liquid metal valve leakage alarming device according to claim 2, it is characterised in that: the central electrode (4)
It is cased with insulator housing (7) outside the part in protective case (3), the insulator housing (7) and metal-coating (6) screw thread connect
It connects.
5. liquid metal valve leakage alarming device according to claim 2, it is characterised in that: the connector sleeve (2) is leaned on
Protective case (3) side is equipped with concave station (202), and the concave station (202) is equipped with seal washer (8), and the metal-coating (6) is by exhausted
Edge covers (7) side in vitro and is fixed with pressing plate (602), the pressing plate (602) and seal washer (8) compression fit.
6. liquid metal valve leakage alarming device according to claim 1, it is characterised in that: the central electrode (4)
Central electrode connector lug (401) are equipped with by protective case (3) one end, the central electrode connector lug (401) is connected by conducting wire (10)
Connect the circuit.
7. liquid metal valve leakage alarming device according to claim 1, it is characterised in that: further include valve body (1), institute
It states valve body (1) and is provided with the valve body conduction hole (101) being connected to connector sleeve conduction hole (201), the valve body on the side wall of valve rod
(1) it is fixed on valve body wiring point (102), valve body wiring point (102) connects the circuit by conducting wire (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822131398.9U CN209511258U (en) | 2018-12-18 | 2018-12-18 | Liquid metal valve leakage alarming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822131398.9U CN209511258U (en) | 2018-12-18 | 2018-12-18 | Liquid metal valve leakage alarming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209511258U true CN209511258U (en) | 2019-10-18 |
Family
ID=68195424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822131398.9U Active CN209511258U (en) | 2018-12-18 | 2018-12-18 | Liquid metal valve leakage alarming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209511258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115388340A (en) * | 2022-08-18 | 2022-11-25 | 天津精仪精测科技有限公司 | Pipeline leakage alarm device |
-
2018
- 2018-12-18 CN CN201822131398.9U patent/CN209511258U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115388340A (en) * | 2022-08-18 | 2022-11-25 | 天津精仪精测科技有限公司 | Pipeline leakage alarm device |
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