CN211824807U

CN211824807U - Water temperature measuring device for cooling water outlet of nuclear power plant

Info

Publication number: CN211824807U
Application number: CN202020440150.5U
Authority: CN
Inventors: 刘秩刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-10-30
Anticipated expiration: 2030-03-31

Abstract

The utility model belongs to the technical field of water temperature measurement, especially, be a nuclear power plant's cooling water delivery port temperature measuring device, including temperature measurement dial plate, transmission line and detection stick, the detection stick passes through transmission line and temperature measurement dial plate electric connection, the junction of transmission line and detection stick is provided with the middle part takeover, and the middle part takeover cup joints the tip at the detection stick, the both ends of middle part takeover all are provided with the connecting pipe, the both ends welding of middle part takeover has the internal thread lantern ring, the internal thread lantern ring closes at the tip of connecting pipe soon; through the middle part takeover of transmission line and detection stick junction setting, the middle part is taken over simultaneously and is closed with the connecting pipe soon through both ends welded internal thread lantern ring and be connected, is convenient for install at the inside detection stick of connecting pipe, has increased the time of detecting stick unit interval and rivers contact, has improved the stability and the precision that the detection stick detected the temperature, and connecting pipe and internal thread lantern ring seal up through the sealed pad that sets up between passing through simultaneously.

Description

Water temperature measuring device for cooling water outlet of nuclear power plant

Technical Field

The utility model belongs to the technical field of the temperature is measured, concretely relates to nuclear power plant's cooling water delivery port temperature measuring device.

Background

Water temperature measurement, a thermometer for measuring water temperature, which is a tool that can accurately judge and measure temperature and is classified into a pointer thermometer and a digital thermometer. The design basis is as follows: the phenomenon that solid, liquid and gas expand and contract with cold under the influence of temperature is utilized; under constant volume conditions, the pressure of the gas (or vapor) is changed due to the difference of the temperatures; the action of the thermoelectric effect; the resistance changes along with the change of temperature; the influence of thermal radiation, etc. When the traditional water temperature measuring device for the water outlet is used, the contact amount of the detection rod and water in unit time is small, so that the problem of poor sensitivity of the thermometer is solved.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a cooling water outlet water temperature measuring device of nuclear power plant has the detection stick of great surface area, and the velocity of flow increases's characteristics around the detection stick simultaneously rivers.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a nuclear power plant's cooling water delivery port temperature measuring device, includes temperature measurement dial plate, transmission line and surveys the stick, it passes through transmission line and temperature measurement dial plate electricity and is connected to survey the stick, the transmission line is provided with the middle part with the junction of surveying the stick and takes over, just the middle part is taken over and is cup jointed at the tip of surveying the stick, the both ends that the middle part was taken over all are provided with the connecting pipe, the internal thread lantern ring has been welded at the both ends that the middle part was taken over, the internal thread lantern ring closes the tip at the connecting pipe soon, install sealed the pad between connecting pipe and the internal thread lantern ring, sealed surperficial integrated into one piece of pad has spacing arch, spacing recess has all been seted up.

As the utility model discloses a preferred technical scheme of nuclear power plant's cooling water outlet water temperature measuring device, the copper foil sleeve has been cup jointed to the outside of surveying the stick, the telescopic surperficial integrated into one piece of copper foil has the copper foil board, the copper foil board is platelike structure, and the copper foil board is provided with four.

As the utility model discloses a preferred technical scheme of nuclear power plant's cooling water outlet water temperature measuring device, the screw reverse setting that both ends were seted up is taken over at the middle part.

As the utility model discloses a preferred technical scheme of nuclear power plant's cooling water outlet water temperature measuring device, the cross section of sealed pad is "T" font structure.

As the utility model discloses a preferred technical scheme of nuclear power plant's cooling water outlet water temperature measuring device, the connecting pipe is horn mouth tubular structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the middle part takeover of transmission line and detection stick junction setting, the middle part is taken over and is closed with the connecting pipe soon through both ends welded internal thread lantern ring and is connected simultaneously, be convenient for install at the inside detection stick of connecting pipe, the time of detecting stick unit interval and rivers contact has been increased, the stability and the precision of detecting the stick to the temperature detection have been improved, the sealed pad that connecting pipe and internal thread lantern ring set up between through simultaneously seals up sealedly, simultaneously sealed pad surface integrated into one piece's spacing arch is installed respectively in the spacing recess that connecting pipe and internal thread lantern ring surface were seted up, sealed stability and the firm nature of installing between the connecting pipe and the internal thread lantern ring of packing.

2. The copper foil sleeve is sleeved on the outer surface of the detection rod, and meanwhile, the copper foil plate is welded on the surface of the copper foil sleeve, so that the surface area of the detection rod is increased, the heat conduction rate is improved, and the sensitivity of the detection rod to temperature detection is increased.

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 structural view of the transmission line, the detection rod, the middle connection pipe, the copper foil sleeve and the copper foil plate of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic structural view of a copper foil sleeve and a copper foil plate according to the present invention;

in the figure: 1. a temperature measuring dial; 2. a transmission line; 3. a probing rod; 4. a middle connecting pipe; 5. a connecting pipe; 6. an internal thread collar; 7. a gasket; 8. a limiting bulge; 9. a limiting groove; 10. a copper foil sleeve; 11. copper foil plate.

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 a technical solution: the utility model provides a nuclear power plant's cooling water delivery port temperature measuring device, including temperature measurement dial plate 1, transmission line 2 and detection stick 3, it is connected with temperature measurement dial plate 1 electricity through transmission line 2 to survey stick 3, transmission line 2 is provided with middle part takeover 4 with the junction of surveying stick 3, and middle part takeover 4 cup joints the tip at detection stick 3, the both ends of middle part takeover 4 all are provided with connecting pipe 5, the both ends welding of middle part takeover 4 has internal thread lantern ring 6, internal thread lantern ring 6 closes the tip at connecting pipe 5 soon, install sealed pad 7 between connecting pipe 5 and the internal thread lantern ring 6, the surperficial integrated into one piece of sealed pad 7 has spacing arch 8, spacing recess 9 has all been seted up on the surface of connecting pipe 5 and internal thread lantern ring 6, spacing.

In this embodiment, take over 4 through the middle part that transmission line 2 and detection stick 3 junction set up, simultaneously middle part take over 4 closes with connecting pipe 5 soon through both ends welded internal thread lantern ring 6 and be connected, be convenient for install at the inside detection stick 3 of connecting pipe 5, the time of detecting 3 unit interval of stick and rivers contact has been increased, the stability and the precision of detecting stick 3 to the temperature detection have been improved, connecting pipe 5 and internal thread lantern ring 6 seal up 7 airtight through setting up between, simultaneously sealed 7 surperficial integrated into one piece's spacing arch 8 of filling up installs respectively in the spacing recess 9 that connecting pipe 5 and internal thread lantern ring 6 surface were seted up, the stability and the firm nature of sealed 7 installation between connecting pipe 5 and internal thread lantern ring 6 of filling up have been increased.

Specifically, the outside of probe 3 has cup jointed copper foil sleeve 10, and copper foil sleeve 10's surface integrated into one piece has copper foil board 11, and copper foil board 11 is platelike structure, and copper foil board 11 is provided with four, and the screw that 4 both ends were seted up is taken over to the middle part sets up in opposite directions.

In this embodiment, through the copper foil sleeve 10 that the outer surface of detection stick 3 cup jointed, copper foil sleeve 10 skin weld has copper foil board 11 simultaneously, has increased the surface area of detection stick 3, has improved the speed of heat conduction, has increased the sensitivity of detection stick 3 to temperature detection.

Specifically, the cross section of the gasket 7 is of a T-shaped structure.

In this embodiment, the sealing gasket 7 having a T-shaped cross section increases the sealing property when the connection pipe 5 and the internal thread collar 6 are connected.

Specifically, the connecting pipe 5 is a bell-mouthed tubular structure.

In this embodiment, through connecting pipe 5 for the horn mouth tubular structure, the velocity of flow improves after rivers pass through connecting pipe 5 of being convenient for.

The utility model discloses a theory of operation and use flow: install the tip at the delivery port during use connecting pipe 5, cup joint copper foil sleeve 10 at the tip of surveying stick 3, install sealed pad 7 in the inside of internal thread lantern ring 6, sealed pad 7 surface integrated into one piece's spacing arch 8 is installed inside the spacing recess 9 of seting up on internal thread lantern ring 6 surface simultaneously, the middle part is taken over 4 and is closed soon with connecting pipe 5 through tip welded internal thread lantern ring and be connected, delivery port exhaust water assembles through connecting pipe 5 during the detection, make and reach the inside rivers increase of taking over 4 in middle part by connecting pipe 5, rivers carry out heat exchange with copper foil sleeve 10 and copper foil board 11.

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

1. The utility model provides a nuclear power plant's cooling water delivery port temperature measuring device, includes temperature measurement dial plate (1), transmission line (2) and surveys stick (3), it is connected its characterized in that to survey stick (3) through transmission line (2) and temperature measurement dial plate (1) electricity: the junction of transmission line (2) and detection stick (3) is provided with middle part takeover (4), just middle part takeover (4) cup joints the tip of surveying stick (3), the both ends of middle part takeover (4) all are provided with connecting pipe (5), the both ends welding of middle part takeover (4) has the internal thread lantern ring (6), the end at connecting pipe (5) is closed soon in internal thread lantern ring (6), install sealed pad (7) between connecting pipe (5) and the internal thread lantern ring (6), the surperficial integrated into one piece of sealed pad (7) has spacing arch (8), spacing recess (9) have all been seted up on the surface of connecting pipe (5) and internal thread lantern ring (6), the inside at spacing recess (9) is installed in spacing arch (8).

2. The device for measuring the water temperature at the cooling water outlet of the nuclear power plant as claimed in claim 1, wherein: the detection rod is characterized in that a copper foil sleeve (10) is sleeved outside the detection rod (3), copper foil plates (11) are integrally formed on the surface of the copper foil sleeve (10), the copper foil plates (11) are of plate-shaped structures, and four copper foil plates (11) are arranged.

3. The device for measuring the water temperature at the cooling water outlet of the nuclear power plant as claimed in claim 1, wherein: screw holes formed in two ends of the middle connecting pipe (4) are arranged in a reverse direction.

4. The device for measuring the water temperature at the cooling water outlet of the nuclear power plant as claimed in claim 1, wherein: the cross section of the sealing gasket (7) is of a T-shaped structure.

5. The device for measuring the water temperature at the cooling water outlet of the nuclear power plant as claimed in claim 1, wherein: the connecting pipe (5) is of a horn mouth tubular structure.