CN212255720U - Whole body surface pollution detector for bus type power supply communication - Google Patents
Whole body surface pollution detector for bus type power supply communication Download PDFInfo
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- CN212255720U CN212255720U CN202020333194.8U CN202020333194U CN212255720U CN 212255720 U CN212255720 U CN 212255720U CN 202020333194 U CN202020333194 U CN 202020333194U CN 212255720 U CN212255720 U CN 212255720U
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Abstract
The utility model relates to a whole body surface pollution detector of bus type power supply communication. The first direct current power supply in the detector is connected with and supplies power to the human-computer interaction terminal, and the second direct current power supply is connected with and supplies power to the first POL communication module; the human-computer interaction terminal is in communication connection with the RJ45 interface of the first POL communication module through a communication cable; the ray detection sensors are connected in series, the RJ45 input interface and the RJ45 output interface of the adjacent ray detection sensors are connected through a communication cable, and the ray detection sensors which are arranged at the tail end and comprise idle RJ45 input interfaces are connected with the RJ45 interface of the first POL communication module through the communication cable after being connected in series. The utility model discloses in a plurality of ray detection sensor series connection, use POL power supply technique for ray detection sensor power supply, realize detecting data transmission simultaneously, and the wiring is simple, improve equipment reliability and maintainability.
Description
Technical Field
The utility model relates to a radiation detection field, more specifically say, relate to a total line formula power supply communication's whole body surface pollution detector.
Background
The alpha and beta surface pollution measurement of the whole body is a technical means which needs to be carried out at the entrance and exit of most nuclear facilities, nuclear power stations and nuclear military control areas to check whether workers are polluted by alpha and beta. The core component of the whole body alpha and beta surface pollution monitoring equipment is a large-area surface pollution detector, and as the whole equipment is used for comprehensively detecting all parts of the whole body of a person, the large-area surface pollution measuring equipment is made into more than 20 distributed detectors. In order to distinguish possible contamination on the surface of different parts of the human body, the detector is divided into a plurality of detection areas. The whole alpha and beta surface pollution measuring device has twenty detectors and nearly hundreds of detection areas, the detectors need to be supplied with power and communicated when working in the device, if each detector has a power supply line and a communication line, the connection is complex, the debugging is difficult, a data processing circuit part has twenty interfaces, the circuit wiring is difficult, and the electromagnetic compatibility design of the device is difficult.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, a whole body surface pollution detector of bus type power supply communication is provided.
The utility model provides a technical scheme that its technical problem adopted is: the whole body surface pollution detector for bus type power supply communication is constructed and comprises a first direct current power supply, a second direct current power supply, a man-machine interaction terminal, a first POL communication module and N ray detection sensors, wherein N is an integer larger than 1; the first POL communication module includes a plurality of RJ45 interfaces, and the radiation detection sensor includes an RJ45 input interface and an RJ45 output interface;
the first direct current power supply is connected with and supplies power to the human-computer interaction terminal, and the second direct current power supply is connected with and supplies power to the first POL communication module; the human-computer interaction terminal is in communication connection with the RJ45 interface of the first POL communication module through a communication cable;
the series connection between the ray detection sensor, it is adjacent ray detection sensor's RJ45 input interface and RJ45 output interface pass through the communication cable and connect, be at the end after the series connection and contain idle RJ45 input interface the ray detection sensor passes through the communication cable and connects the RJ45 interface of first POL communication module.
Further, total bus-based power supply communication's whole body surface pollution detector in, it is N ray detection sensor divide into 2 at least groups, in every group be connected to respectively after the ray detection sensor series connection the different RJ45 interfaces of first POL communication module.
Further, the whole body surface contamination detector of the bus type power supply communication of the present invention further comprises a second POL communication module, wherein the second POL communication module comprises a plurality of RJ45 interfaces, and the second dc power supply is connected to supply power to the second POL communication module;
dividing the N ray detection sensors into at least 2 groups, wherein the ray detection sensors in each group are connected in series, and the two ends of at least one group are respectively connected with RJ45 interfaces of the first POL communication module and the second POL communication module after the ray detection sensors are connected in series; the other RJ45 interfaces of the second POL communication module connect at least one set of the radiation-detecting sensors after being connected in series.
Further, in the whole body surface contamination detector of bus-type power supply communication of the present invention, the first POL communication module includes 4 RJ45 interfaces, and the second POL communication module includes 4 RJ45 interfaces.
Further, in the whole body surface contamination detector of the bus type power supply communication of the present invention, N is 24, 24 of the radiation detection sensors are equally divided into 4 groups, and the radiation detection sensors of each group are connected in series;
after the serial connection, one end of each of the 3 groups is respectively connected with 3 RJ45 interfaces of the first POL communication module, and the other end of each of the 3 groups is respectively connected with 3 RJ45 interfaces of the second POL communication module; the remaining 1 set after the series connection is connected to the remaining RJ45 interface of the second POL communication module.
Further, total body surface pollution detector of bus-based power supply communication in, the human-computer interaction terminal with communication cable between the first POL communication module is the ethernet line, first POL communication module with communication cable between the ray detection sensor is the ethernet line, the second POL communication module with communication cable between the ray detection sensor is the ethernet line, communication cable between the ray detection sensor is the ethernet line.
Further, in the whole body surface contamination detector of bus-type power supply communication of the present invention, two twisted pairs in the ethernet line between the first POL communication module and the radiation detection sensor are used for data communication, and the other two twisted pairs are used for power supply;
two groups of twisted-pair lines in an Ethernet line between the second POL communication module and the ray detection sensor are used for data communication, and the other two groups of twisted-pair lines are used for power supply;
two groups of twisted-pair lines in the Ethernet line between the ray detection sensors are used for data communication, and the other two groups of twisted-pair lines are used for power supply.
Furthermore, the whole body surface contamination detector of the bus type power supply communication of the present invention further comprises at least two third POL communication modules (70), wherein the third POL communication modules (70) comprise a plurality of RJ45 interfaces, and the second dc power supply (20) is connected to and supplies power to all the third POL communication modules (70);
dividing the N ray detection sensors (50) into at least 2 groups, wherein the ray detection sensors (50) in each group are connected in series, and the two ends of at least one group are respectively connected with RJ45 interfaces of the first POL communication module (40) and the third POL communication module (70) after the series connection; after the series connection, the two ends of other groups are respectively connected between the two third POL communication modules (70);
the communication cable between the man-machine interaction terminal (30) and the first POL communication module (40) is an Ethernet line, the communication cable between the first POL communication module (40) and the ray detection sensor (50) is an Ethernet line, the communication cable between the third POL communication module (70) and the ray detection sensor (50) is an Ethernet line, and the communication cable between the ray detection sensors (50) is an Ethernet line.
Further, in the whole body surface contamination detector of bus-type power supply communication of the present invention, the radiation detection sensor is an α β radiation sensor.
Furthermore, in the whole body surface contamination detector for bus-type power supply communication of the present invention, the first dc power supply is a 24V dc power supply;
the second direct current power supply is a 12V direct current power supply.
Implement the utility model discloses a whole body surface pollution detector of bus type power supply communication has following beneficial effect: the utility model discloses in a plurality of ray detection sensor series connection, use POL power supply technique for ray detection sensor power supply, realize detecting data transmission simultaneously, and the wiring is simple, improve equipment reliability and maintainability.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
FIG. 1 is a schematic structural diagram of a whole body surface contamination detector with bus-type power supply communication provided in embodiment 1;
FIG. 2 is a schematic structural diagram of a whole body surface contamination detector with bus-type power supply communication provided in embodiment 2;
FIG. 3 is a schematic structural diagram of a whole body surface contamination detector with bus-type power supply communication provided in embodiment 3;
fig. 4 is a schematic structural diagram of a whole body surface contamination detector for bus-type power supply communication provided in embodiment 4.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example 1
Referring to fig. 1, the bus-type power supply communication whole body surface contamination detector of the present embodiment includes a first dc power supply 10, a second dc power supply 20, a human-computer interaction terminal 30, a first POL communication module 40, and N radiation detection sensors 50, where N is an integer greater than 1. The first POL communication module 40 includes a plurality of RJ45 interfaces and the radiation detection sensor 50 includes an RJ45 input interface and an RJ45 output interface. The first POL communication module 40 uses a Power Over LAN (POL) ethernet Power supply interface component based on local area network Power technology.
The first direct-current power supply 10 is connected with and supplies power to the human-computer interaction terminal 30, and the second direct-current power supply 20 is connected with and supplies power to the first POL communication module 40; the human-computer-interaction terminal 30 is communicatively connected to the RJ45 interface of the first POL communication module 40 via a communication cable. The radiation detecting sensors 50 are connected in series, the RJ45 input interface and the RJ45 output interface of adjacent radiation detecting sensors 50 are connected by a communication cable, and the radiation detecting sensor 50 which is at the end of the series and includes a spare RJ45 input interface is connected to the RJ45 interface of the first POL communication module 40 by a communication cable. That is, the RJ45 input interface of the first radiation detecting sensor 50 is connected to the RJ45 interface of the first POL communication module 40, the RJ45 output interface of the first radiation detecting sensor 50 is connected to the RJ45 input interface of the second radiation detecting sensor 50, the RJ45 output interface of the second radiation detecting sensor 50 is connected to the RJ45 input interface of the third radiation detecting sensor 50, and so on, the connection is made in series until the last radiation detecting sensor 50 is connected in series.
The communication cable between the human-computer interaction terminal 30 and the first POL communication module 40 is an ethernet cable, the communication cable between the first POL communication module 40 and the radiation detecting sensor 50 is an ethernet cable, and the communication cable between the radiation detecting sensor 50 is an ethernet cable. Two sets of twisted pairs in the ethernet line between the first POL communication module 40 and the radiation detecting sensor 50 are used for data communication and two other sets are used for power. Two sets of twisted pairs in the ethernet cable between the radiation detecting sensors 50 are used for data communication and the other two sets are used for power supply.
According to the working principle of the power supply technology based on the local area network, the ray detection sensors 50 connected in series use the Ethernet line for power supply, and an independent power supply source and a power supply circuit are not needed, so that wiring is greatly reduced. Further, according to the working principle of the power supply technology based on the local area network, the ray detection sensors 50 connected in series can also communicate by using the ethernet cable, the human-computer interaction terminal 30 sends a corresponding control command to each ray detection sensor 50, each ray detection sensor 50 provides measurement data of a certain time period to the human-computer interaction terminal 30, and the human-computer interaction terminal 30 processes the measurement data. For example, it is determined whether the measurement data exceeds a threshold value, and if so, an alarm message is issued.
In the working process, if a certain ray detection sensor 50 breaks down, the ray detection sensor can be quickly positioned on the man-machine interaction terminal 30, and then the broken ray detection sensor 50 is short-circuited by using an Ethernet cable, so that the equipment can be quickly recovered, and the maintainability is good.
Alternatively, the radiation detection sensor 50 in the bus-powered communication whole-body surface contamination detector of the present embodiment is an α β -ray sensor.
Alternatively, in the whole body surface contamination detector for bus-type power communication of the present embodiment, the first dc power supply 10 is a 24V dc power supply, and the second dc power supply 20 is a 12V dc power supply.
In the embodiment, the plurality of ray detection sensors are connected in series, the POL power supply technology is used for supplying power to the ray detection sensors, detection data transmission is realized, wiring is simple, and the reliability and maintainability of the device are improved.
Example 2
Based on embodiment 1, in the total body surface contamination detector with bus-type power supply communication of the present embodiment, the N radiation detecting sensors 50 are divided into at least 2 groups, and the radiation detecting sensors 50 in each group are connected in series and then are respectively connected to different RJ45 interfaces of the first POL communication module 40.
Referring to fig. 2, in the present embodiment, the N radiation detecting sensors 50 are divided into 2 groups, the radiation detecting sensors 50 in each group are connected in series, the RJ45 input interface and the RJ45 output interface of the adjacent radiation detecting sensors 50 are connected by a communication cable, and the radiation detecting sensor 50 which is connected in series and includes a spare RJ45 input interface is connected to the RJ45 interface of the first POL communication module 40 by a communication cable. That is, the RJ45 input interface of the first radiation detecting sensor 50 is connected to the RJ45 interface of the first POL communication module 40, the RJ45 output interface of the first radiation detecting sensor 50 is connected to the RJ45 input interface of the second radiation detecting sensor 50, the RJ45 output interface of the second radiation detecting sensor 50 is connected to the RJ45 input interface of the third radiation detecting sensor 50, and so on, the connection is made in series until the last radiation detecting sensor 50 is connected in series.
In the embodiment, the plurality of ray detection sensors are connected in series, the POL power supply technology is used for supplying power to the ray detection sensors, detection data transmission is realized, wiring is simple, and the reliability and maintainability of the device are improved.
Example 3
On the basis of the above embodiment, the bus-type communication whole body surface contamination detector of the present embodiment further includes a second POL communication module 60, the second POL communication module 60 includes a plurality of RJ45 interfaces, and the second dc power supply 20 is connected to and supplies power to the second POL communication module 60. The second POL communication module 60 uses a Power Over LAN (POL) ethernet Power interface component based on local area network Power technology.
In the present embodiment, the N radiation detecting sensors 50 are divided into at least 2 groups, the radiation detecting sensors 50 in each group are connected in series, both ends of at least one group are respectively connected to the RJ45 interfaces of the first POL communication module 40 and the second POL communication module 60 after series connection, and the other RJ45 interfaces of the second POL communication module 60 are connected to at least one group of radiation detecting sensors 50 after series connection. The second POL communication module 60 in this embodiment functions as a relay amplifier to provide power and signal transmission support for the subsequent radiation detection sensor 50.
Referring to fig. 3, the first POL communication module 40 of the bus-powered communications whole-body surface contamination detector of the present embodiment includes 4 RJ45 interfaces, and the second POL communication module 60 includes 4 RJ45 interfaces. N is 24, and the 24 radiation detecting sensors 50 are equally divided into 4 groups of 6 radiation detecting sensors 50, and the 6 radiation detecting sensors 50 of each group are connected in series. After the series connection, one end of each of the 3 groups is connected to the 3 RJ45 interfaces of the first POL communication module 40, and the other end of each of the 3 groups is connected to the 3 RJ45 interfaces of the second POL communication module 60. The remaining 1 set after the series connection is connected to the remaining RJ45 interface of the second POL communication module 60.
The communication cable between the human-computer interaction terminal 30 and the first POL communication module 40 is an ethernet cable, the communication cable between the first POL communication module 40 and the radiation detecting sensor 50 is an ethernet cable, the communication cable between the second POL communication module 60 and the radiation detecting sensor 50 is an ethernet cable, and the communication cable between the radiation detecting sensors 50 is an ethernet cable. Two sets of twisted pairs in the ethernet line between the first POL communication module 40 and the radiation detecting sensor 50 are used for data communication and two other sets are used for power. Two sets of twisted pairs in the ethernet line between the second POL communication module 60 and the radiation detecting sensor 50 are used for data communication and the other two sets are used for power. Two sets of twisted pairs in the ethernet cable between the radiation detecting sensors 50 are used for data communication and the other two sets are used for power supply.
According to the working principle of the power supply technology based on the local area network, the ray detection sensors 50 connected in series use the Ethernet line for power supply, and an independent power supply source and a power supply circuit are not needed, so that wiring is greatly reduced. Further, according to the working principle of the power supply technology based on the local area network, the ray detection sensors 50 connected in series can also communicate by using the ethernet cable, the human-computer interaction terminal 30 sends a corresponding control command to each ray detection sensor 50, each ray detection sensor 50 provides measurement data of a certain time period to the human-computer interaction terminal 30, and the human-computer interaction terminal 30 processes the measurement data. For example, it is determined whether the measurement data exceeds a threshold value, and if so, an alarm message is issued.
In the embodiment, the plurality of ray detection sensors are connected in series, the POL power supply technology is used for supplying power to the ray detection sensors, detection data transmission is realized, wiring is simple, and the reliability and maintainability of the device are improved.
Example 4
Referring to fig. 4, the total body surface contamination detector of the bus-type power communication of the present invention further includes at least two third POL communication modules 70, the third POL communication modules 70 include a plurality of RJ45 interfaces, and the second dc power supply 20 is connected to and supplies power to all the third POL communication modules 70.
Dividing the N ray detecting sensors 50 into at least 2 groups, connecting the ray detecting sensors 50 in each group in series to form a series of ray detecting sensors, i.e. the RJ45 output interface of the first ray detecting sensor 50 in each group is connected to the RJ45 input interface of the second ray detecting sensor 50, the RJ45 output interface of the second ray detecting sensor 50 is connected to the RJ45 input interface of the third ray detecting sensor 50, and so on, connecting in series until the last ray detecting sensor 50 is connected in series, leaving two ends of each group of series connected ray detecting sensors each free of an RJ45 input interface and an RJ45 output interface, the free of an RJ45 input interface and the RJ45 output interface for connecting the first POL communication module 40 and the third POL communication module 70 at two ends, or the free of an RJ45 input interface and the RJ45 output interface for connecting the third POL communication module 70 and the third POL communication module 70 at two ends, i.e., the RJ45 interfaces of the first POL communication module 40 and the third POL communication module 70 are connected to both ends of at least one group after the series connection; the ends of the other groups connected in series are connected between the two third POL communication modules 70, respectively.
The communication cable between the human-computer interaction terminal 30 and the first POL communication module 40 is an ethernet cable, the communication cable between the first POL communication module 40 and the radiation detecting sensor 50 is an ethernet cable, the communication cable between the third POL communication module 70 and the radiation detecting sensor 50 is an ethernet cable, and the communication cable between the radiation detecting sensor 50 is an ethernet cable. Two sets of twisted pairs in the ethernet line between the first POL communication module 40 and the radiation detecting sensor 50 are used for data communication and two other sets are used for power. Two sets of twisted pairs in the ethernet line between the third POL communication module 70 and the radiation detecting sensor 50 are used for data communication and the other two sets are used for power. Two sets of twisted pairs in the ethernet cable between the radiation detecting sensors 50 are used for data communication and the other two sets are used for power supply.
In the embodiment, the plurality of ray detection sensors are connected in series, the POL power supply technology is used for supplying power to the ray detection sensors, detection data transmission is realized, wiring is simple, and the reliability and maintainability of the device are improved.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and implement the present invention accordingly, which can not limit the protection scope of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention shall fall within the scope of the claims of the present invention.
Claims (10)
1. A whole body surface pollution detector with bus type power supply communication is characterized by comprising a first direct current power supply (10), a second direct current power supply (20), a man-machine interaction terminal (30), a first POL communication module (40) and N ray detection sensors (50), wherein N is an integer greater than 1; the first POL communication module (40) including a plurality of RJ45 interfaces, the radiation detection sensor (50) including an RJ45 input interface and an RJ45 output interface;
the first direct current power supply (10) is connected with and supplies power to the man-machine interaction terminal (30), and the second direct current power supply (20) is connected with and supplies power to the first POL communication module (40); the human-computer interaction terminal (30) is communicatively connected to the RJ45 interface of the first POL communication module (40) via a communication cable;
the ray detection sensors (50) are connected in series, the RJ45 input interface and the RJ45 output interface of each adjacent ray detection sensor (50) are connected through a communication cable, and the ray detection sensors (50) which are at the tail end and comprise idle RJ45 input interfaces are connected through the communication cables to the RJ45 interface of the first POL communication module (40).
2. The bus-powered communications whole body surface contamination detector of claim 1, wherein the N radiation detecting sensors (50) are grouped into at least 2 groups, each group having the radiation detecting sensors (50) connected in series and then connected to a different RJ45 interface of the first POL communication module (40).
3. The total body surface contamination detector of claim 1, further comprising a second POL communication module (60), the second POL communication module (60) including a plurality of RJ45 interfaces, the second dc power supply (20) being connected to and supplying power to the second POL communication module (60);
dividing the N ray detection sensors (50) into at least 2 groups, wherein the ray detection sensors (50) in each group are connected in series, and the two ends of at least one group are respectively connected with RJ45 interfaces of the first POL communication module (40) and the second POL communication module (60) after the series connection; the other RJ45 interfaces of the second POL communication module (60) connect at least one set of the radiation detection sensors (50) connected in series.
4. The bus-powered communications whole body surface contamination detector of claim 3, wherein the first POL communication module (40) includes 4 RJ45 interfaces and the second POL communication module (60) includes 4 RJ45 interfaces.
5. The bus-powered communication whole-body surface contamination detector according to claim 4, wherein N is 24, and 24 of the radiation detecting sensors (50) are equally divided into 4 groups, and the radiation detecting sensors (50) of each group are connected in series;
after the connection in series, one end of each of the 3 groups is respectively connected with 3 RJ45 interfaces of the first POL communication module (40), and the other end of each of the 3 groups is respectively connected with 3 RJ45 interfaces of the second POL communication module (60); the remaining 1 set after the series connection is connected to the remaining RJ45 interfaces of the second POL communication module (60).
6. The total body surface contamination detector of claim 3, wherein the communication cable between the human-computer interaction terminal (30) and the first POL communication module (40) is an Ethernet cable, the communication cable between the first POL communication module (40) and the radiation detecting sensor (50) is an Ethernet cable, the communication cable between the second POL communication module (60) and the radiation detecting sensor (50) is an Ethernet cable, and the communication cable between the radiation detecting sensors (50) is an Ethernet cable.
7. The total body surface contamination detector of claim 6, wherein two sets of twisted pairs in the Ethernet line between the first POL communication module (40) and the radiation detecting sensor (50) are used for data communication and two other sets of twisted pairs are used for power supply;
two sets of twisted-pair wires in the ethernet line between the second POL communication module (60) and the radiation detection sensor (50) are used for data communication, and the other two sets of twisted-pair wires are used for power supply;
two groups of twisted pairs in the Ethernet line between the ray detection sensors (50) are used for data communication, and the other two groups of twisted pairs are used for power supply.
8. The total body surface contamination detector of claim 1, further comprising at least two third POL communication modules (70), the third POL communication modules (70) including a plurality of RJ45 interfaces, the second dc power supply (20) being connected to and supplying power to all of the third POL communication modules (70);
dividing the N ray detection sensors (50) into at least 2 groups, wherein the ray detection sensors (50) in each group are connected in series, and the two ends of at least one group are respectively connected with RJ45 interfaces of the first POL communication module (40) and the third POL communication module (70) after the series connection; after the series connection, the two ends of other groups are respectively connected between the two third POL communication modules (70);
the communication cable between the man-machine interaction terminal (30) and the first POL communication module (40) is an Ethernet line, the communication cable between the first POL communication module (40) and the ray detection sensor (50) is an Ethernet line, the communication cable between the third POL communication module (70) and the ray detection sensor (50) is an Ethernet line, and the communication cable between the ray detection sensors (50) is an Ethernet line.
9. The bus-powered communications whole-body surface contamination detector of claim 1, wherein the radiation detection sensor (50) is an α β radiation sensor.
10. The bus-powered communications whole-body surface contamination detector of claim 1, wherein the first dc power supply (10) is a 24V dc power supply;
the second direct current power supply (20) is a 12V direct current power supply.
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