CN219957792U - Multifunctional test bench for density relay detection - Google Patents
Multifunctional test bench for density relay detection Download PDFInfo
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- CN219957792U CN219957792U CN202321055363.6U CN202321055363U CN219957792U CN 219957792 U CN219957792 U CN 219957792U CN 202321055363 U CN202321055363 U CN 202321055363U CN 219957792 U CN219957792 U CN 219957792U
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- density relay
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- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims description 9
- 238000011990 functional testing Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 14
- 238000012795 verification Methods 0.000 abstract description 6
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 32
- 239000003570 air Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model relates to a multifunctional test bench for detecting a density relay, which comprises a workbench and an operation panel, wherein a plurality of meter interfaces which are arranged in a queue form are arranged on the operation panel, the meter interfaces are provided with valve switches, check interfaces and communication interfaces which are in one-to-one correspondence, and one side of the operation panel is also provided with a pressure meter, a power supply and a concentrator; compared with a conventional test board, the multifunctional test board can realize the detection, test or verification of a plurality of density relays at the same time, can also detect the consistency of a remote transmission signal and the mechanical pressure value of the remote transmission density relay, is provided with a plurality of interfaces, is connected with a computer through a hub, realizes synchronous online detection, has an integral structure of an operation panel, reduces equipment cost, adopts high-quality acrylic as the material of the operation panel, and has better stability and mechanical property.
Description
Technical Field
The utility model belongs to the field of instrument and meter monitoring, and particularly relates to a multifunctional test bench for detecting a density relay.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Monitoring the state of gases, and in particular the state of harmful gases, is an important element of the modern industry. Taking SF6 gas as an example, SF6 gas insulation electrical equipment is widely applied to enterprises such as electric power, industrial and mining, and the like, the rapid development of the electric power industry is promoted, the reliable and safe operation of the SF6 gas insulation electrical equipment is one of important tasks of an electric power department, the arc extinguishing property and the insulation property of the SF6 gas are important guarantees of the safe operation of the electrical equipment, if the SF6 gas in the electrical equipment leaks, a large safety accident can be caused, and pollution is caused to the ambient air, so that the working state of the SF6 gas of the electrical equipment is very necessary to be monitored.
At present, a gas monitoring instrument is generally adopted as a density relay, a mechanical pointer of the gas monitoring instrument can display a gas density value in real time, and the gas monitoring instrument has the functions of alarming and locking contacts and sends out contact signals when gas leaks.
The gas pressure in the electrical equipment is ensured, and the gas pressure is very important to the safe operation of relevant equipment such as electrical equipment, so that the gas pressure is very important to the early test and detection of the density relay. The existing test bench generally adopts a single installation interface to independently monitor the leakage rate of the density relay or independently test the contact precision (the approaching degree of the actual action value and the theoretical value of the density relay), has insufficient functions, and cannot detect and check a plurality of density relays at the same time.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a multifunctional test board for detecting a density relay, which is used for correspondingly improving the structure and the function of the existing test board.
The utility model provides a multifunctional test board for detecting a density relay, which adopts the following technical scheme:
a multi-functional test stand for density relay detection, comprising: a workbench and an operation panel.
Further, the workbench and the operation panel are connected and fixed in a vertical structure.
Further, a main air channel and a check air channel for detection and check are arranged on the operation panel.
Further, the operation panel is provided with a plurality of meter interfaces, and each meter interface is provided with a corresponding independent air passage valve switch, a corresponding check interface and a corresponding communication interface.
Further, the single meter interface, the independent air passage valve switch, the check interface and the communication interface form a combination, the operation panel is provided with a plurality of combinations, the combinations are orderly arranged in a queue, and each combination is jointly provided with a density relay for detecting and checking the density relay.
Furthermore, the check interface and the corresponding meter interface can be communicated or closed through an independent air passage valve switch on the operation panel.
Further, the communication interface can detect the remote transmission density relay and judge the consistency of the remote transmission signal and the mechanical pressure value of the remote transmission density relay.
Furthermore, a hub is arranged on one side of the operation panel, and the communication interfaces are all connected with the hub and connected with a computer through the hub.
Furthermore, a pressure gauge and a power supply are further arranged on one side of the operation panel, the pressure gauge directly acts on the main gas path and is used for monitoring the gas pressure of the main gas path, and the power supply is used for providing a working power supply for the remote density relay.
Compared with the prior art, the utility model has the beneficial effects that:
according to the multifunctional test board for detecting the density relays, provided by the utility model, the test board is improved, and the plurality of meter interfaces are arranged, so that the detection of a plurality of density relays can be realized at the same time.
According to the multifunctional test board for detecting the density relay, provided by the utility model, each meter interface is provided with one valve switch, so that the independent detection of the density relay is facilitated.
The multifunctional test board for detecting the density relay is provided with a plurality of communication interfaces, the communication interfaces are connected with a computer through a hub, consistency of remote transmission signals and mechanical pressure values of the remote transmission density relay can be detected, and synchronous online detection of the remote transmission density relays is achieved.
According to the multifunctional test board for detecting the density relays, each meter interface is provided with the check interface, so that the detection of a plurality of density relays can be realized at the same time, and the on-line check of the plurality of density relays can be performed at the same time.
The multifunctional test board for detecting the density relay provided by the utility model has the advantages that the operation panel is made of high-quality sub-force gram, has good stability, mechanical property, excellent weather resistance and high surface hardness, and is convenient to manufacture and process by adopting a common processing method, so that the production cost is reduced.
The multifunctional test board for detecting the density relay has the advantages that the operation panel is of an integral structure, the integrated functions of detection and verification are realized on the integral structure, and the equipment cost is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a block diagram of a multi-function test stand of the present utility model;
FIG. 2 is a schematic diagram of the operation of the multifunctional test-bed of the present utility model;
wherein, 1, a workbench; 2. an operation panel; 3. a meter interface; 4. a valve switch; 5. a pressure gauge; 6. a hub; 7. a power supply; 8. checking an interface; 9. a communication interface; 10. a density relay.
The specific embodiment is as follows:
the utility model will be further described with reference to the drawings and examples.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
Example 1
The utility model provides a multifunctional test bench for detecting a density relay, which is shown in fig. 1 and comprises a workbench 1 and an operation panel 2, wherein the workbench 1 and the operation panel 2 are fixedly connected in a vertical structure, the workbench 1 is particularly connected with the operation panel 2 through three support columns, and the support columns play roles in fixing and supporting the operation panel 2 so as to enable the operation panel to be more stable.
The operation panel 2 is provided with a plurality of meter interfaces 3, and the meter interfaces 3 are integrally arranged in a queue type on the operation panel 2, preferably in a 3-row-6-column queue type; each meter interface 3 is designed as a common interface in the market in a unified way and is provided with a related adapter, so that the meter interface can be compatible with density relays of different threaded interfaces.
On the operation panel, a single meter interface 3 and an independent air path valve switch 4, a check interface 8 and a communication interface 9 which are arranged on the single meter interface 3 form a combination, a plurality of combinations are arranged on the operation panel, the combinations are orderly arranged in a queue type 3 rows by 6 columns, and each combination is jointly provided with a density relay 10 for detecting and checking the density relay.
Each meter interface 3 is provided with an independent gas circuit valve switch 4, so that the independent detection of the density relay 10 can be facilitated, the independent gas circuit valve switch 4 is of a three-way rotary valve structure, when the valve switch 4 is opened and communicated with a main gas circuit, the meter interface 3 and the check interface 8 are closed at the same time, when the valve switch 4 is closed and communicated with the main gas circuit, the meter interface 3 and the check interface 8 are communicated at the same time, and the meter interface 3 and the check interface 8 are closed when detection and check are not needed.
When detecting whether the density relay 10 leaks, only the corresponding valve switch 4 is required to be opened, the main gas path gas is introduced into the density relay 10 connected with the meter interface 3, the pressure gauge 5 is used for monitoring the main gas path gas pressure to judge whether the density relay leaks, and when the detection is not required, the density relay is closed.
When the leakage rate of the density relay 10 is detected, the corresponding valve switch 4 is closed to be communicated with the main gas path, the meter interface 3 is communicated with the check interface 8 at the same time, helium is filled into the meter interface 8, the helium enters the density relay 10 through the meter interface 3, and the leakage rate of the density relay 10 can be detected through wrapping test.
When the density relay 10 is verified, the corresponding valve switch 4 is closed to be communicated with the main gas path, the meter interface 3 is communicated with the verification interface 8 at the same time, then the verification interface 8 and the calibrator are connected, and at the moment, the calibrator can realize independent online verification of the density relay 10 through the communicated verification interface 8 and the meter interface 3.
Each meter interface 3 is provided with a communication interface 9, which can detect the remote transmission density relay, judge the consistency of the remote transmission signal and the mechanical pressure value of the remote transmission density relay, and the communication interfaces 9 are all connected with a hub and connected with a computer through the hub, so that synchronous on-line detection can be realized.
The pressure gauge 5, the power supply 7 and the hub 6 are arranged on one side of the operation panel 2, the pressure gauge 5, the power supply 7 and the hub 6 are sequentially arranged on the operation panel from top to bottom, the pressure gauge 5 directly acts on a main gas path and is used for monitoring the gas pressure of the main gas path, the power supply 7 is used for providing a working power supply of a remote transmission density relay, and the hub 6 is used for collecting signals of a plurality of paths of remote transmission density relays and is connected with a computer for display after collection.
Preferably, the operation panel 2 is made of high-quality sub-force grams, has the advantages of good stability, mechanical property, excellent weather resistance, high surface hardness and the like, and the multifunctional test bench operation panel 2 is of an integral structure, and is convenient to manufacture and process by adopting a common processing method, so that the production cost is reduced.
In summary, the multifunctional test bench provided by the utility model not only can be used for detecting the density relay and the conventional pressure gauge, but also can be used for detecting the remote transmission density relay and also can be used for checking the density relay on line.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.
Claims (6)
1. A multi-functional testboard for density relay detects, characterized by includes: a workbench and an operation panel;
the workbench is connected and fixed with the operation panel in a vertical structure;
the operation panel is provided with a plurality of meter interfaces, and each meter interface is provided with a corresponding independent air passage valve switch, a corresponding check interface and a corresponding communication interface;
the meter comprises a meter interface, an independent air passage valve switch, a check interface and a communication interface, wherein the meter interface, the independent air passage valve switch, the check interface and the communication interface form a combination, a plurality of combinations are arranged on an operation panel and are orderly arranged in a queue, and each combination is jointly provided with a density relay for detecting and checking the density relay.
2. A multi-functional test stand for density relay testing as defined in claim 1, wherein:
and one side of the operation panel is also provided with a pressure gauge which directly acts on the main gas path and is used for monitoring the gas pressure of the main gas path.
3. A multi-functional test stand for density relay testing as defined in claim 1, wherein:
the operation panel is of an integral structure, and high-quality sub-force grams are adopted as materials.
4. A multi-functional test stand for density relay testing as defined in claim 1, wherein:
the operation panel is provided with a main air passage and a check air passage for detection and check.
5. A multi-functional test stand for density relay testing as defined in claim 1, wherein:
and a hub is arranged on one side of the operation panel, and the communication interfaces are connected with the hub and connected with a computer through the hub.
6. A multi-functional test stand for density relay testing as defined in claim 1, wherein:
each meter interface is designed as a common interface in the market in a unified way and is provided with an associated adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321055363.6U CN219957792U (en) | 2023-05-05 | 2023-05-05 | Multifunctional test bench for density relay detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321055363.6U CN219957792U (en) | 2023-05-05 | 2023-05-05 | Multifunctional test bench for density relay detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219957792U true CN219957792U (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321055363.6U Active CN219957792U (en) | 2023-05-05 | 2023-05-05 | Multifunctional test bench for density relay detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219957792U (en) |
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2023
- 2023-05-05 CN CN202321055363.6U patent/CN219957792U/en active Active
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