Nuclear power station pressure transmitter and temperature transmitter testing device and testing mounting rack thereof

Abstract

The invention discloses a nuclear power station pressure transmitter and temperature transmitter testing device and a testing installation frame thereof. The testing installation frame comprises a bottom plate, an installation plate and a fixing assembly. The fixing assembly is used for fixing a pressure transmitter, the fixing assembly comprises a first fixing piece and a second fixing piece, the first fixing piece comprises a first mounting part and a first cylindrical part, the first cylindrical part is provided with a first containing cavity, and the end face of the first cylindrical part is further provided with a first through hole; the second fixing piece comprises a second installation part and a second cylindrical part, the second cylindrical part is provided with a second containing cavity, and the end face of the second cylindrical part is further provided with a second through hole communicated with the second containing cavity. The test mounting rack can be used for fixing a temperature transmitter and a pressure transmitter, can be used for an earthquake simulation test, can prevent the temperature transmitter and the pressure transmitter from being directly placed on an earthquake simulation vibration table, so that the temperature transmitter and the pressure transmitter shake, move and even fall off the earthquake simulation vibration table to cause damage, and can ensure that the test is smoothly carried out.

Description

Technical Field

[0001] The invention relates to the technical field of nuclear power, and in particular to a test device for a pressure transmitter and a temperature transmitter of a nuclear power station and a test mounting frame thereof. Background Art

[0002] Nuclear power plants are equipped with instruments such as pressure transmitters and temperature transmitters for pressure and temperature monitoring. The above instruments need to have certain earthquake resistance. However, if the pressure transmitters and temperature transmitters are directly placed on the earthquake simulation table for testing, the instruments are prone to shaking and even falling off the earthquake simulation table and being damaged, which not only affects the test results, but also easily causes damage to the pressure transmitters and temperature transmitters and causes losses. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a test device for a pressure transmitter and a temperature transmitter of a nuclear power plant and a test mounting frame thereof.

[0004] The technical solution adopted by the present invention to solve the technical problem is: construct a test mounting frame, including a base plate, a mounting plate and a fixing assembly, wherein the mounting plate is vertically mounted on the upper surface of the base plate, the mounting plate is provided with a first mounting position for mounting a temperature transmitter, and the mounting plate is provided with a second mounting position for mounting a pressure transmitter;

[0005] The fixing assembly is used to fix the pressure transmitter, and the fixing assembly includes a first fixing member and a second fixing member, the first fixing member includes a first mounting portion and a first cylindrical portion arranged on the first mounting portion, the first cylindrical portion is provided with a first accommodating cavity matched with the upper portion of the pressure transmitter, and the end surface of the first cylindrical portion is also provided with a first through hole communicating with the first accommodating cavity;

[0006] The second fixing member includes a second mounting portion and a second cylindrical portion arranged on the second mounting portion, the second cylindrical portion is provided with a second accommodating cavity matched with the lower portion of the pressure transmitter, and the end surface of the second cylindrical portion is also provided with a second through hole communicating with the second accommodating cavity.

[0007] In some embodiments, a plurality of first mounting holes are provided on the first mounting portion, and the fixing assembly further comprises a first fastener, and the first fastener passes through the first mounting hole to install the first fixing member on the mounting plate.

[0008] In some embodiments, a plurality of second mounting holes are provided on the second mounting portion, and the fixing assembly further includes a second fastener, and the second fastener passes through the second mounting hole to install the second fixing member on the mounting plate.

[0009] In some embodiments, the first fastener and the second fastener include fastening bolts or fastening screws.

[0010] In some embodiments, the mounting plate is disposed at a middle position of the base plate.

[0011] In some embodiments, the test mounting frame further includes a reinforcing rib plate, wherein the reinforcing rib plate connects the base plate and the mounting plate.

[0012] In some embodiments, the base plate, the mounting plate and the reinforcing rib plate are an integral structure.

[0013] In some embodiments, the base plate, the mounting plate and the reinforcing rib plate are metal parts.

[0014] In some embodiments, a plurality of lifting ears are further provided on the bottom plate.

[0015] The present invention also provides a nuclear power plant pressure transmitter and temperature transmitter testing device, comprising an earthquake simulation vibration table and a test mounting frame as described in any of the above embodiments installed on the earthquake simulation vibration table; a first mounting position of the test mounting frame fixes a temperature transmitter to be tested, the temperature transmitter is connected to a temperature detection probe in a constant temperature box, a second mounting position of the test mounting frame fixes a pressure transmitter to be tested, and the pressure transmitter is connected to a pressure source;

[0016] The nuclear power plant pressure transmitter and temperature transmitter testing device also includes a host computer connected to the temperature transmitter and the pressure transmitter.

[0017] The implementation of the present invention has the following beneficial effects: the test mounting bracket can be used to fix the temperature transmitter 100 and the pressure transmitter, and can be used for earthquake simulation testing, which can prevent the temperature transmitter and the pressure transmitter 200 from being directly placed on the earthquake simulation vibration table, thereby preventing them from shaking and moving or even falling off the earthquake simulation vibration table and causing damage, thereby ensuring the smooth progress of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work. In the drawings:

[0019] Figure 1 is one of the structural schematic diagrams of the test mounting frame in some embodiments of the present invention;

[0020] Figure 2is a second structural schematic diagram of a test mounting frame in some embodiments of the present invention;

[0021] Figure 3 is a third structural schematic diagram of a test mounting frame in some embodiments of the present invention;

[0022] Figure 4 is a fourth structural schematic diagram of a test mounting frame in some embodiments of the present invention;

[0023] Figure 5 It is a schematic diagram of a nuclear power plant pressure transmitter and temperature transmitter testing device in some embodiments of the present invention. DETAILED DESCRIPTION

[0024] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific embodiments of the present invention are now described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "up", "down", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inside", "outside", "head", "tail", etc. are based on the directions or positional relationships shown in the accompanying drawings, are constructed and operated in a specific direction, and are only for the convenience of describing the present technical solution, rather than indicating that the device or element referred to must have a specific direction, and therefore cannot be understood as a limitation to the present invention.

[0025] It should also be noted that, unless otherwise clearly specified and limited, the terms such as "installed", "connected", "connected", "fixed", "set" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. When an element is referred to as being "on" or "under" another element, the element can be "directly" or "indirectly" located on the other element, or there may be one or more intermediate elements. The terms "first", "second", "third", etc. are only for the convenience of describing the present technical solution, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", "third", etc. can explicitly or implicitly include one or more of the features. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0026] In the following description, specific details such as specific system structures, technologies, etc. are provided for the purpose of illustration rather than limitation, so as to provide a thorough understanding of the embodiments of the present invention. However, it should be clear to those skilled in the art that the present invention may be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to prevent unnecessary details from obstructing the description of the present invention.

[0027] See also Figures 1 to 4 The present invention shows a test mounting frame 10, including a base plate 11, a mounting plate 12 and a fixing assembly 13. The mounting plate 12 is vertically mounted on the upper surface of the base plate 11. The mounting plate 12 is provided with a first mounting position for mounting a temperature transmitter 100, and the mounting plate 12 is provided with a second mounting position for mounting a pressure transmitter 200. The mounting plate 12 has a first surface and a second surface opposite to each other, and the first mounting position and the second mounting position are formed on the first surface. The first mounting position and the second mounting position may be provided with a plurality of fixing holes, and the temperature transmitter 100 may be threadedly fixed to the first mounting position.

[0028] The fixing assembly 13 is used to fix the pressure transmitter 200. The fixing assembly 13 includes a first fixing member 131 and a second fixing member 132. The first fixing member 131 includes a first mounting portion 1311 and a first cylindrical portion 1312 arranged on the first mounting portion 1311. The first cylindrical portion 1312 is provided with a first accommodating cavity 131a that cooperates with the upper portion of the pressure transmitter 200. The end surface of the first cylindrical portion 1312 is also provided with a first through hole 131b that communicates with the first accommodating cavity 131a.

[0029] The second fixing member 132 includes a second mounting portion 1321 and a second cylindrical portion 1322 arranged on the second mounting portion 1321. The second cylindrical portion 1322 is provided with a second accommodating cavity 132a that cooperates with the lower portion of the pressure transmitter 200. The end face of the second cylindrical portion 1322 is also provided with a second through hole 132b that communicates with the second accommodating cavity 132a.

[0030] The test mounting frame 10 can be used to fix the temperature transmitter 100 and the pressure transmitter 200, and can be used for earthquake simulation testing, which can prevent the temperature transmitter 100 and the pressure transmitter 200 from being directly placed on the earthquake simulation vibration table 20, thereby preventing the temperature transmitter 100 and the pressure transmitter 200 from shaking or even falling off the earthquake simulation vibration table 20 and causing damage, thereby ensuring the smooth progress of the test. In addition, the temperature transmitter 100 and the pressure transmitter 200 can simulate the situation of being installed on the equipment, making the test experiment closer to the actual production situation.

[0031] In some embodiments, the bottom plate 11 is a substantially rectangular plate-shaped structure, and a plurality of mounting holes may be provided on the bottom plate 11 . The mounting plate 12 is disposed in the middle of the bottom plate 11 , so that the mounting plate 12 is more stable.

[0032] In some embodiments, the first mounting portion 1311 is provided with a plurality of first mounting holes, and the fixing assembly 13 further includes a first fastener, which passes through the first mounting hole to install the first fixing member 131 on the mounting plate 12 .

[0033] In some embodiments, the second mounting portion 1321 is provided with a plurality of second mounting holes, and the fixing assembly 13 further includes a second fastener, which passes through the second mounting holes to install the second fixing member 132 on the mounting plate 12 .

[0034] In some embodiments, the first fastener and the second fastener include fastening bolts or fastening screws.

[0035] In some embodiments, the test mounting frame 10 further includes a reinforcing rib plate 14, which connects the bottom plate 11 and the mounting plate 12. Figure 2 As shown, the number of the reinforcing rib plates 14 can be two, one reinforcing rib plate 14 connects the upper surface of the base plate 11 and the first surface of the mounting plate 12, and the other reinforcing rib plate 14 connects the upper surface of the base plate 11 and the second surface of the mounting plate 12, so that the mounting plate 12 has a certain rigidity and improved stability.

[0036] In some embodiments, the bottom plate 11 , the mounting plate 12 and the reinforcing rib plate 14 are an integral structure.

[0037] In some embodiments, the base plate 11, the mounting plate 12 and the reinforcing rib plate 14 are metal parts. For example, the base plate 11, the mounting plate 12 and the reinforcing rib plate 14 can be made of stainless steel, or can be made of carbon steel, which is not specifically limited here.

[0038] In some embodiments, the bottom plate 11 is further provided with a plurality of lifting ears 15, which can facilitate lifting. Preferably, the number of the lifting ears 15 can be two, and the two lifting ears 15 can be symmetrically arranged about the center of the bottom plate 11, such as Figure 2 shown.

[0039] like Figure 5 As shown, the present invention also provides a nuclear power plant pressure transmitter and temperature transmitter testing device, including an earthquake simulation vibration table 20 and a test mounting frame 10 installed on the earthquake simulation vibration table 20; the test mounting frame 10 can also be fixed to the earthquake simulation vibration table 20 by fasteners or splints.

[0040] The first mounting position of the test mounting frame 10 fixes the temperature transmitter 100 to be tested, and the temperature transmitter 100 is connected to the temperature detection probe in the thermostat (such as the laboratory thermostat), and the thermostat is located outside the earthquake simulation vibration table 20. Preferably, the temperature signal source can be composed of a laboratory thermostat, a metered thermometer, a thermocouple sensor and a matching armored cable. The metered thermometer and the thermocouple sensor are placed in the laboratory thermostat, and the temperature signal is connected to the temperature transmitter 100 to be tested through the armored cable.

[0041] The second mounting position of the test mounting frame 10 fixes the pressure transmitter 200 to be tested, and the pressure transmitter 200 is connected to a pressure source. The pressure source (or pressure signal source) can be composed of a desktop pressure pump and a pressure calibrator. The pressure signal generated by the desktop pressure pump can be connected to the pressure transmitter 200 to be tested through a copper pipe.

[0042] The nuclear power plant pressure transmitter and temperature transmitter testing device further includes a host computer 30 connected to the temperature transmitter 100 and the pressure transmitter 200 .

[0043] In some embodiments, the nuclear power plant pressure transmitter and temperature transmitter test device further includes a high-speed acquisition box 40, which can be a PXI high-speed acquisition box. The high-speed acquisition box 40 is connected to the host computer 30, and the temperature transmitter 100 and the pressure transmitter 200 are both connected to the high-speed acquisition box 40 through a data acquisition bus. The analog data of the temperature transmitter 100 and the pressure transmitter 200 are uploaded to the high-speed acquisition box 40 by the data acquisition bus; the uploaded analog signal is processed in the high-speed acquisition box 40 and collected and stored at a sampling rate of 1ms; the experimental parameters can be input into the host computer 30, and the actual pressure value of the pressure source, the set temperature of the thermostat, the tolerance value and other fixed reference values ​​can be set to the host computer 30, and the host computer 30 performs calculations and comparisons to determine whether the temperature transmitter 100 and the pressure transmitter 200 exceed the tolerance during the seismic test. The nuclear power plant pressure transmitter and temperature transmitter testing device can realize unattended monitoring of the entire experiment, which can save manpower and improve work efficiency.

[0044] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0045] It can be understood that the above embodiments only express the preferred implementation modes of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the present invention. It should be pointed out that, for ordinary technicians in this field, without departing from the concept of the present invention, the above technical features can be freely combined, and several deformations and improvements can be made, which all belong to the protection scope of the present invention. Therefore, all equivalent changes and modifications made to the scope of the claims of the present invention should belong to the scope covered by the claims of the present invention.

Claims

1. A test mounting frame, characterized in that: The device comprises a base plate (11), a mounting plate (12) and a fixing assembly (13); the mounting plate (12) is vertically mounted on the upper surface of the base plate (11); a first mounting position for mounting a temperature transmitter (100) is provided on the mounting plate (12); and a second mounting position for mounting a pressure transmitter (200) is provided on the mounting plate (12); The fixing assembly (13) is used to fix the pressure transmitter (200), and the fixing assembly (13) comprises a first fixing member (131) and a second fixing member (132), the first fixing member (131) comprises a first mounting portion (1311) and a first cylindrical portion (1312) arranged on the first mounting portion (1311), the first cylindrical portion (1312) is provided with a first accommodating cavity (131a) matched with the upper portion of the pressure transmitter (200), and the end surface of the first cylindrical portion (1312) is also provided with a first through hole (131b) communicating with the first accommodating cavity (131a); The second fixing member (132) includes a second mounting portion (1321) and a second cylindrical portion (1322) arranged on the second mounting portion (1321), the second cylindrical portion (1322) being provided with a second accommodating cavity (132a) matching with the lower portion of the pressure transmitter (200), and the end surface of the second cylindrical portion (1322) being further provided with a second through hole (132b) communicating with the second accommodating cavity (132a).

2. The test mounting frame according to claim 1, characterized in that: The first mounting portion (1311) is provided with a plurality of first mounting holes, and the fixing assembly (13) further comprises a first fastener, and the first fastener penetrates the first mounting hole to mount the first fixing member (131) on the mounting plate (12).

3. The test mounting frame according to claim 2, characterized in that: The second mounting portion (1321) is provided with a plurality of second mounting holes, and the fixing assembly (13) further comprises a second fastener, and the second fastener passes through the second mounting hole to mount the second fixing member (132) on the mounting plate (12).

4. The test mounting frame according to claim 1, characterized in that: The first fastening member and the second fastening member include fastening bolts or fastening screws.

5. The test mounting frame according to claim 1, characterized in that: The mounting plate (12) is arranged at the middle position of the bottom plate (11).

6. The test mounting frame according to claim 1, characterized in that: The test mounting frame also includes a reinforcing rib plate (14), wherein the reinforcing rib plate (14) connects the bottom plate (11) and the mounting plate (12).

7. The test mounting frame according to claim 6, characterized in that: The bottom plate (11), the mounting plate (12) and the reinforcing rib plate (14) are an integral structure.

8. The test mounting frame according to claim 6, characterized in that: The bottom plate (11), the mounting plate (12) and the reinforcing rib plate (14) are metal parts.

9. The test installation frame according to claim 1, characterized in that: The bottom plate (11) is also provided with a plurality of lifting ears (15).

10. A nuclear power plant pressure transmitter and temperature transmitter testing device, characterized in that: The invention comprises an earthquake simulation vibration table (20) and a test mounting frame according to any one of claims 1 to 9 installed on the earthquake simulation vibration table (20); a temperature transmitter (100) to be tested is fixed at a first mounting position of the test mounting frame, and the temperature transmitter (100) is connected to a temperature detection probe in a constant temperature box; a pressure transmitter (200) to be tested is fixed at a second mounting position of the test mounting frame, and the pressure transmitter (200) is connected to a pressure source; The nuclear power plant pressure transmitter and temperature transmitter testing device further comprises a host computer (30) connected to the temperature transmitter (100) and the pressure transmitter (200).

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