CN215262317U - Connecting device, checking equipment and checking system - Google Patents
Connecting device, checking equipment and checking system Download PDFInfo
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- CN215262317U CN215262317U CN202121039178.9U CN202121039178U CN215262317U CN 215262317 U CN215262317 U CN 215262317U CN 202121039178 U CN202121039178 U CN 202121039178U CN 215262317 U CN215262317 U CN 215262317U
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- filter circuit
- monitoring system
- vibration monitoring
- circuit
- signal generator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The utility model relates to a connecting device, check-up equipment and check-up system, wherein connecting device includes base plate and filter circuit, filter circuit is fixed to be set up on the base plate, and be connected with signal generator and vibration monitoring system respectively, thereby be used for filtering the sensor analog signal of signal generator output, and transmit the sensor analog signal after the filtration to vibration monitoring system, monitor the vibration to the electronic main water-feeding pump of nuclear power with supplying vibration monitoring system, because filter circuit's fixing is on the base plate, good stability, be convenient for reuse, avoid at every turn needing to assemble the device by oneself in order to obtain filter circuit and insert the circuit, thereby influence the check-up work of plate.
Description
Technical Field
The utility model relates to a nuclear power technology field especially relates to a connecting device, check-up equipment and check-up system.
Background
Nuclear power generation is an important new energy power generation technology, chemical energy of fossil fuel is replaced by nuclear fission energy, a boiler for thermal power generation is replaced by a nuclear reactor and a steam generator, and a steam turbine is driven by steam to generate power. The system comprises a nuclear power electric main water supply pump system (APA) and an APA system vibration monitoring system, wherein the APA is provided with a plurality of acceleration type vibration sensors and is used for carrying out vibration detection on the nuclear power electric main water supply pump system, the APA system vibration monitoring system is used for acquiring vibration signals acquired by the sensors for further analysis, and the vibration monitoring system can adopt PVT PT2060 series plates.
In order to guarantee the precision of the vibration monitoring system, the channel of the channel plate of the vibration monitoring system is verified during overhaul at every time, the signal generator is usually adopted to be connected with the filter circuit to simulate the output signal of the sensor, the filter circuit is connected into the circuit through wiring by using a resistor and a capacitor temporarily, the mode is simple and crude, the connection is unstable, and the plate verification work is easily influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need for a channel verification system that reliably enables channel verification of a channel plate of a vibration monitoring system.
A connection device, comprising:
a substrate;
and the filter circuit is fixedly arranged on the substrate, is used for being respectively connected with the signal generator and the vibration monitoring system, and is used for filtering the sensor analog signal output by the signal generator and transmitting the filtered sensor analog signal to the vibration monitoring system.
In one embodiment, the connection device further includes:
and the first interface circuit is connected with the filter circuit and used for being connected with the vibration monitoring system and transmitting the sensor analog signal to the vibration monitoring system.
In one embodiment, the connection device further includes:
the switch is connected with the filter circuit;
the first interface circuit comprises a plurality of input terminals and output terminals in one-to-one correspondence with the input terminals, the input terminals are respectively connected with the selector switch, and the output terminals are respectively used for being in one-to-one correspondence with the monitoring circuits of the vibration monitoring system;
the switch is used for conducting a transmission path between the filter circuit and any one of the input terminals.
In one embodiment, the connection device further includes:
and the second interface circuit is arranged on the substrate, connected with the filter circuit and used for being connected with the signal generator and transmitting the sensor analog signal to the filter circuit.
In one embodiment, the connection device further includes a housing, the filter circuit and the second interface circuit are disposed in the housing, a first through hole is formed in a position of the housing corresponding to the second interface circuit, the signal generator is connected to the second interface circuit through the through hole, a second through hole is formed in a position of the housing corresponding to the filter circuit, and the filter circuit is connected to the vibration monitoring system through the second through hole.
In one embodiment, the substrate is a circuit board, and the filter circuit and the second interface circuit are connected by traces on the circuit board.
In one embodiment, the diverter switch is provided with a rocker arm trigger portion disposed on the housing.
In one embodiment, the filter circuit is a first order RC high pass filter.
A verification device, comprising:
a signal generator; and
the connecting device of any of the above.
A verification system, comprising:
a vibration monitoring system;
and a verification device as claimed in any preceding claim.
Above-mentioned connecting device includes base plate and filter circuit, filter circuit is fixed to be set up on the base plate, and be connected with signal generator and vibration monitoring system respectively, thereby be used for carrying out the filtering to the sensor analog signal of signal generator output, and transmit the sensor analog signal after the filtering to vibration monitoring system, carry out vibration monitoring to the electronic main water-feeding pump of nuclear power for vibration monitoring system, because filter circuit's the fixing on the base plate, stability is good, be convenient for reuse, avoid at every turn need assemble the device by oneself in order to obtain filter circuit and insert the circuit, thereby influence the check-up work of plate.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of a connecting device according to an embodiment;
FIG. 2 is a block diagram showing the structure of a connecting device according to another embodiment;
FIG. 3 is a block diagram of a connecting device according to another embodiment;
FIG. 4 is a circuit diagram of a connecting device according to an embodiment;
fig. 5 is a block diagram of a connecting device according to another embodiment.
Element number description:
a filter circuit: 101, a first electrode and a second electrode; a signal generator: 102, and (b); vibration monitoring system: 103; a first interface circuit: 104; a switch is switched: 105; a second interface circuit: 106
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
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 application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another. For example, a first resistance may be referred to as a second resistance, and similarly, a second resistance may be referred to as a first resistance, without departing from the scope of the present application. The first resistance and the second resistance are both resistances, but they are not the same resistance.
It is to be understood that "connection" in the following embodiments is to be understood as "electrical connection", "communication connection", and the like if the connected circuits, modules, units, and the like have communication of electrical signals or data with each other.
As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," etc., specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof. Also, as used in this specification, the term "and/or" includes any and all combinations of the associated listed items.
An embodiment of the utility model provides a connecting device, including base plate (not shown) and filter circuit 101, filter circuit 101 is fixed to be set up on the base plate for be connected with signal generator 102 and vibration monitoring system 103 respectively, as shown in fig. 1, filter circuit 101 is used for filtering the sensor analog signal of signal generator 102 output, and transmits the sensor analog signal after the filtration to vibration monitoring system 103.
It can be understood that the signal generator 102 is configured to output a specific signal to simulate a vibration signal collected by the vibration sensor when monitoring the electric feedwater pump of the nuclear power plant, and the sensor analog signal output by the signal generator 102 is usually different from a real vibration signal, so that the filter circuit 101 needs to be connected to filter the sensor analog signal output by the signal generator 102 according to the characteristics of the vibration signal output by the vibration sensor, and in one embodiment, a high-pass filter may be connected to high-pass filter the sensor analog signal, so as to simulate a sensor analog signal more similar to the vibration signal.
The signal generator 102 may be a function signal generator 102, and signals with specific frequency, duty ratio, pulse width and amplitude may be obtained by directly inputting signal parameters, so as to simulate a vibration signal of the electric water-feeding pump collected by the vibration sensor.
The vibration monitoring system 103 is used for carrying out vibration monitoring on an electric water feeding pump system (APA) of the nuclear power unit, and analyzing the state of the water feeding pump by receiving and processing a vibration signal of a pump bearing.
The utility model discloses connecting device includes base plate and filter circuit 101, filter circuit 101 is fixed to be set up on the base plate, and be connected with signal generator 102 and vibration monitoring system 103 respectively, thereby be used for filtering the sensor analog signal of signal generator 102 output, and transmit the sensor analog signal after the filtration to vibration monitoring system 103, monitor the vibration to the electronic main water-feeding pump of nuclear power with supply vibration monitoring system 103, because fixing of filter circuit 101 is on the base plate, good stability, be convenient for reuse, avoid at every turn needing to assemble the device by oneself in order to obtain filter circuit 101 and insert the circuit, thereby influence the check-up work of plate.
Fig. 2 is a block diagram of a connecting device according to another embodiment, and as shown in fig. 2, the connecting device further includes a first interface circuit 104, and the first interface circuit 104 is connected to the filter circuit 101, and is configured to be connected to the vibration monitoring system 103 and transmit the sensor analog signal to the vibration monitoring system 103.
It is understood that the first interface circuit 104 may be provided with an input terminal and an output terminal, wherein the input terminal is connected to the filter circuit 101, the output terminal is connected to the vibration monitoring system 103, and the first interface circuit 104 receives the sensor analog signal through the input terminal and outputs the sensor analog signal to the vibration monitoring system 103 through the output terminal. The output terminal can be a plug terminal, and the plug terminal is matched with the input port of the vibration monitoring system 103, so that the plug terminal can be used for being plugged with the vibration monitoring system 103 to transmit the analog signal of the sensor. Therefore, when the channel of the vibration monitoring system 103 needs to be checked, the sensor analog signal can be transmitted by directly inserting the first interface circuit 104 into the vibration monitoring system 103, which is convenient and stable.
In one embodiment, the connection device further comprises a switch 105, the switch 105 is connected with the filter circuit 101; the first interface circuit 104 includes a plurality of input terminals and output terminals corresponding to the input terminals one to one, the input terminals are connected to the selector switch 105, and the output terminals are used for connecting to the monitoring circuits of the vibration monitoring system 103 one to one; the changeover switch 105 is used to turn on a transmission path between the filter circuit 101 and any one of the input terminals.
As shown in fig. 3, taking the first interface circuit 104 as an example that it includes two input terminals and two output terminals, the monitoring circuit of the vibration monitoring system 103 may include two paths, and the switch 105 may be a single-pole double-throw switch for selecting one path to be conducted with one of the two input terminals, so as to conduct one path of the monitoring circuit corresponding to the input terminal of the filter circuit 101, thereby implementing switching of the signal path. Therefore, monitoring of other channels can be achieved under the condition that wires are prevented from being detached again, and the method is convenient and fast. The output terminal can be a plug terminal for directly plugging with the monitoring system.
In one embodiment, the filtering circuit 101 may be a first order RC high pass filter. As shown in fig. 4, taking the switch 105 as a single-pole double-throw switch as an example, the MTS-202 chip can be used as the switch 105, and the first interface circuit 104 can be a 4P interface. A Signal pin of the Signal generator 102 is connected with an input end of a capacitor C of the filter circuit 101, a COM pin of the Signal generator 102 is connected with an output end of a resistor R of the filter circuit 101, a SIG pin of the switch 105 is connected with the input end of the resistor R and the output end of the capacitor C, respectively, a COM pin of the switch 105 is connected with the output end of the resistor R, a SIG1 pin of the switch 105 is connected with a SIG1 pin of the first interface circuit 104, a SIG2 pin of the switch 105 is connected with a SIG2 pin of the first interface circuit 104, and COM1 and COM2 pins of the switch 105 are connected with COM1 and COM2 pins of the first interface circuit 104 in a one-to-one correspondence manner. The specification of the resistor R can be rated power of 1W and resistance of 3K omega, and the specification of the capacitor C can be rated voltage of 50V and capacitance of 47 muF.
In one embodiment, the connection device further comprises a second interface circuit 106, the second interface circuit 106 being disposed on the substrate and connected to the filter circuit 101 for connecting to the signal generator 102 and transmitting the sensor analog signal to the filter circuit 101, as shown in fig. 5.
It is understood that the second interface circuit 106 may be provided with an input terminal and an output terminal, the input terminal may be a plug terminal, and the second interface circuit 106 receives the sensor analog signal through the input terminal plugged with the connection line of the signal generator 102 and outputs the sensor analog signal to the filter circuit 101 through the output terminal. Thus, when the channel verification needs to be performed on the vibration monitoring system 103, the second interface circuit 106 can be directly plugged with the connection line of the signal generator 102 to receive the analog signal of the sensor, which is convenient and stable.
In one embodiment, the connection device further includes a housing, the filter circuit 101 and the second interface circuit 106 are disposed in the housing, a through hole is formed in a position of the housing corresponding to the second interface circuit 106, the signal generator 102 is connected to the second interface circuit 106 through the through hole, a second through hole is formed in a position of the housing corresponding to the filter circuit 101, and the filter circuit 101 is connected to the vibration monitoring system 103 through the second through hole.
Specifically, the substrate provided with the filter circuit 101 and the second interface circuit 106 may be disposed in the housing so as to protect the filter circuit 101 and the second interface circuit 106, and the provision of the first through hole and the second through hole may enable the filter circuit 101 and the first interface circuit 104 to be connected to an external device so as to receive and transmit the sensor analog signal. In one embodiment, when the first interface circuit 104 is included, the filter circuit 101 is connected with the first interface circuit 104 through the second via.
The first interface circuit 104 and the vibration monitoring system 103 may be connected by a pure copper quad cable, and the second interface circuit 106 and the signal generator 102 may be connected by a coaxial cable with a BNC connector. The first through hole and the second through hole may be designed to have as small an aperture as possible in a state that the respective devices can stably establish connection, to reduce the influence of the external environment.
In one embodiment, the substrate may be a circuit board, and the filter circuit 101 and the second interface circuit 106 are connected by traces on the circuit board.
In one embodiment, the diverter switch 105 is provided with a rocker trigger disposed on the housing to facilitate user switching of the verification channel.
The embodiment of the present invention further provides a calibration apparatus, which includes the signal generator 102 and the connection device of any of the above embodiments.
The embodiment of the utility model provides a still provide a calibration system, including vibration monitoring system 103 and above-mentioned embodiment calibration equipment.
In the description herein, references to the description of "some embodiments," "other embodiments," "desired embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic description of the above terminology may not necessarily refer to the same embodiment or example.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A connection device, comprising:
a substrate;
and the filter circuit is fixedly arranged on the substrate, is used for being respectively connected with the signal generator and the vibration monitoring system, and is used for filtering the sensor analog signal output by the signal generator and transmitting the filtered sensor analog signal to the vibration monitoring system.
2. The connection device of claim 1, further comprising:
and the first interface circuit is connected with the filter circuit and used for being connected with the vibration monitoring system and transmitting the sensor analog signal to the vibration monitoring system.
3. The connection device of claim 2, further comprising:
the switch is connected with the filter circuit;
the first interface circuit comprises a plurality of input terminals and output terminals in one-to-one correspondence with the input terminals, the input terminals are respectively connected with the selector switch, and the output terminals are respectively used for being in one-to-one correspondence with the monitoring circuits of the vibration monitoring system;
the switch is used for conducting a transmission path between the filter circuit and any one of the input terminals.
4. The connection device of claim 3, further comprising:
and the second interface circuit is arranged on the substrate, connected with the filter circuit and used for being connected with the signal generator and transmitting the sensor analog signal to the filter circuit.
5. The connecting device according to claim 4, wherein the connecting device further comprises a housing, the filter circuit and the second interface circuit are disposed in the housing, a first through hole is formed at a position of the housing corresponding to the second interface circuit, the signal generator is connected to the second interface circuit through the through hole, a second through hole is formed at a position of the housing corresponding to the filter circuit, and the filter circuit is connected to the vibration monitoring system through the second through hole.
6. The connecting device according to claim 4, wherein the substrate is a circuit board, and the filter circuit and the second interface circuit are connected by traces on the circuit board.
7. The connection device of claim 5, wherein the diverter switch is provided with a rocker arm trigger disposed on the housing.
8. The connection device of claim 1, wherein the filter circuit is a first order RC high pass filter.
9. A verification device, comprising:
a signal generator; and
the connecting device of any one of claims 1 to 7.
10. A verification system, comprising:
a vibration monitoring system; and
the verification device of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121039178.9U CN215262317U (en) | 2021-05-14 | 2021-05-14 | Connecting device, checking equipment and checking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121039178.9U CN215262317U (en) | 2021-05-14 | 2021-05-14 | Connecting device, checking equipment and checking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215262317U true CN215262317U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121039178.9U Active CN215262317U (en) | 2021-05-14 | 2021-05-14 | Connecting device, checking equipment and checking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215262317U (en) |
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2021
- 2021-05-14 CN CN202121039178.9U patent/CN215262317U/en active Active
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