Passive wireless sensing device

Abstract

A passive wireless sensing device disclosed by the present invention comprises a first sensing end plate, a protective sleeve, a sensing control box and a second sensing end plate, the protective sleeve is arranged at a mounting clamping groove in the sensing control box, and the first sensing end plate and the second sensing end plate are respectively arranged at the two ends of the sensing control box through connectors. The end part of the first sensing end plate is provided with a plurality of sensing probes, and the end part of the second sensing end plate is provided with a plurality of sensing ports. The sensing control box is arranged, the heat dissipation openings are formed in the centers of the two sides of the sensing control box so that heat dissipation can be conducted on different positions, the heat dissipation effect can be improved, the display screen is arranged at the upper position of the front face of the sensing control box, data converted after induction can be conveniently displayed through the display screen, observation is convenient, and the practicability is high. A protective sleeve is arranged on the outer side of the sensing control box, safety protection can be conducted on the outer side of the sensing control box through the protective sleeve, and a side baffle is arranged in the middle of the sensing control box.

Description

Technical Field

[0001] The present invention relates to the field of sensor devices, and in particular to a passive wireless sensor device. Background Art

[0002] Passive sensors, as the name implies, refer to sensors that do not require external energy input during signal acquisition. This type of sensor can use the existing signals in the measurement environment (such as temperature, pressure, audio signals, etc.) for signal acquisition and convert these signals into digital or analog electrical signals for output. Compared with traditional active sensors, passive sensors do not need to rely on batteries or other external power sources, so they have higher cost-effectiveness, longer service life and smaller size;

[0003] For example, the authorized patent with publication number CN214121440U (a passive wireless sensor device for measuring the temperature of a switch cabinet circuit breaker in a thermal power plant) includes a temperature data collector, a collector antenna, and a passive wireless sensor. The temperature data collector and the collector antenna are connected by a coaxial cable. The passive wireless sensor is provided with an RFID temperature measurement circuit and an RFID antenna circuit. The RFID antenna circuit is wirelessly connected to the temperature data collector. The passive wireless sensor device for measuring the temperature of a switch cabinet circuit breaker in a thermal power plant described in the present invention has a reasonable structure, a small size, high stability, and is easy to install. It does not require the installation of batteries and has a long reading distance, which meets the requirements for temperature measurement of the switch cabinet cable joint.

[0004] The sensor box of the above-mentioned prior art has insufficient safety protection capability, the outer shell cannot provide pressure protection, and the sensor box cannot be reinforced for installation. The installation and fixation is not convenient enough, the installation and fixation method is single, and the sensor end cannot be changed, and the sensor is not universal enough. Summary of the invention

[0005] The purpose of the present invention is to provide a passive wireless sensing device to solve the problems proposed in the above-mentioned background technology that the sensor box has insufficient safety protection capability, the outer shell cannot provide pressure protection, the sensor box cannot be reinforced and installed, the installation and fixation are not convenient enough, the installation and fixation method is single, the sensing end cannot be changed, and the sensing is not universal enough.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a passive wireless sensing device, comprising a first sensing end plate, a protective cover, a sensing control box and a second sensing end plate, wherein a protective cover is provided at the mounting slot on the sensing control box, and both ends of the sensing control box are respectively provided with a first sensing end plate and a second sensing end plate through a connecting head, a plurality of sensing probes are provided at the end of the first sensing end plate, and a plurality of sensing ports are provided at the end of the second sensing end plate.

[0007] In a further embodiment, the protective cover includes a side guard, a locking rod and an elastic ear;

[0008] The side baffles are arranged at the center of both sides of the protective sleeve, the locking rods are arranged on the sides of the side baffles, the elastic ears are arranged at both ends of the protective sleeve, and the protective sleeve is assembled through the elastic ears.

[0009] In a further embodiment, the connector and the sensor control box are configured as an integral structure, two plugs are provided at the end face of the connector, and the plugs are electrically assembled with the ends of the first sensor end plate and the second sensor end plate by inlaying.

[0010] In a further embodiment, the sensor control box includes a heat dissipation port and a display screen;

[0011] The heat dissipation port is arranged at the center of the side of the sensor control box, and the display screen is arranged at the upper front side of the sensor control box.

[0012] In a further embodiment, there are a plurality of sensor probes of different models, a latch is provided at the end of the sensor probe, and the latch is fixed to the first sensor end plate, and the output end of the sensor probe is electrically connected to the input end of the first sensor end plate through the latch.

[0013] In a further embodiment, a plurality of inwardly concave sensing ports are provided on the front side of the second sensing end plate, a smoke absorption structure is provided inside the sensing ports, and a smoke sensing module is provided inside the second sensing end plate.

[0014] In a further embodiment, it also includes a sensor, an antenna, an energy collection circuit, a data processing and storage module and a wireless communication module, the antenna is connected to the energy collection circuit, the energy collection circuit is connected to the data processing and storage module, the antenna is connected to the data processing and storage module, the data processing and storage module is connected to the wireless communication module, and the wireless communication module is connected to the antenna.

[0015] In a further embodiment, the wireless communication module adopts an RFID tag or an NFC chip.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The invention is provided with a sensor control box, and heat dissipation ports are provided at the center of both sides of the sensor control box, so that heat can be dissipated at different positions, which can improve the heat dissipation effect. A display screen is provided at the upper front position of the sensor control box, and the data converted after sensing can be conveniently displayed through the display screen for easy observation. A protective cover is provided on the outside of the sensor control box, and the outside of the sensor control box can be safely protected by the protective cover. A side baffle is provided in the middle of the sensor control box, and a locking rod is provided on one side of the side baffle, which can be conveniently locked and fixed through the protective cover through the locking rod, and is convenient for installation and disassembly.

[0018] 2. The sensor control box of the invention has a first sensor end plate and a second sensor end plate at both ends respectively through a connector, and a sensor probe is provided at the end of the first sensor end plate, through which the sensing mode and sensing intensity can be adjusted according to different sensor probes, and the second sensor end plate can absorb external air for environmental sensing, thereby increasing versatility and sensing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a passive wireless sensor device of the present invention;

[0020] Figure 2 It is a structural schematic diagram of the sensor control box of the present invention;

[0021] Figure 3 It is a side view of the sensor control box of the present invention;

[0022] Figure 4 is a structural schematic diagram of the second sensing end plate of the present invention;

[0023] Figure 5 It is a structural schematic diagram of the sensor probe of the present invention;

[0024] Figure 6 It is a structural schematic diagram of part A of the present invention.

[0025] In the figure: 1. sensor probe; 2. first sensor end plate; 3. connector; 4. protective cover; 5. sensor control box; 6. second sensor end plate; 7. side baffle; 8. locking rod; 9. latch; 10. elastic ear; 11. plug; 12. mounting slot; 13. heat dissipation port; 14. display screen; 15. sensor port. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0027] Embodiment 1

[0028] See also Figure 1-6An embodiment of the present invention is as follows: a passive wireless sensing device comprises a first sensing end plate 2, a protective cover 4, a sensing control box 5 and a second sensing end plate 6, wherein the protective cover 4 is provided at the mounting slot 12 on the sensing control box 5, and both ends of the sensing control box 5 are respectively provided with the first sensing end plate 2 and the second sensing end plate 6 through the connector 3, and the end of the first sensing end plate 2 is provided with a plurality of sensing probes 1, and the end of the second sensing end plate 6 is provided with a plurality of sensing ports 15; the mounting slot 12 facilitates the limited installation of the protective cover 4, the protective cover 4 is used to perform safety protection on the outside of the sensing control box 5, the first sensing end plate 2 and the second sensing end plate 6 are used to perform sensing monitoring in different ways, the plurality of sensing probes 1 can perform different sensing, and the plurality of sensing ports 15 can perform absorption sensing.

[0029] The protective cover 4 includes a side baffle 7, a locking rod 8 and an elastic ear 10; the side baffle 7 is arranged at the center of both sides of the protective cover 4, the locking rod 8 is arranged on the side of the side baffle 7, the elastic ear 10 is arranged at both ends of the protective cover 4, and the protective cover 4 is assembled through the elastic ear 10, the locking rod 8 is used to facilitate the installation and fixation of the protective cover 4, and the elastic ear 10 is used to facilitate the locking and fixation of the protective cover 4.

[0030] The connector 3 and the sensor control box 5 are configured as an integral structure, two plugs 11 are provided at the end face of the connector 3, and the plugs 11 and the ends of the first sensor end plate 2 and the second sensor end plate 6 are electrically assembled by inlaying, and the connector 3 is used to facilitate the assembly of the sensor control box 5 with the first sensor end plate 2 and the second sensor end plate 6; the sensor control box 5 includes a heat dissipation port 13 and a display screen 14; the heat dissipation port 13 is provided in the center of the side of the sensor control box 5, and the display screen 14 is provided at the upper front of the sensor control box 5, and the heat dissipation port 13 is used to provide heat dissipation protection for the sensor control box 5.

[0031] There are a plurality of sensor probes 1, and the plurality of sensor probes 1 are set to different models. A latch 9 is provided at the end of the sensor probe 1, and the latch 9 is fixedly inserted into the first sensor end plate 2. The output end of the sensor probe 1 and the input end of the first sensor end plate 2 are electrically connected through the latch 9, and the latch 9 facilitates the assembly of the sensor probe 1 and the first sensor end plate 2.

[0032] A plurality of inwardly concave sensing ports 15 are disposed on the front side of the second sensing end plate 6 . A smoke absorption structure is disposed inside the sensing port 15 . A smoke sensing module is disposed inside the second sensing end plate 6 .

[0033] It also includes a sensor, an antenna, an energy collection circuit, a data processing and storage module, and a wireless communication module. The antenna is connected to the energy collection circuit, the energy collection circuit is connected to the data processing and storage module, the antenna is connected to the data processing and storage module, the data processing and storage module is connected to the wireless communication module, and the wireless communication module is connected to the antenna; the wireless communication module uses an RFID tag or an NFC chip; the antenna collects energy from an external wireless signal and transfers it to the energy collection circuit; the energy collection circuit provides the collected energy to the data processing and storage module to enable it to work; the data collected by the sensor is transmitted to the data processing and storage module for processing; the data processing and storage module sends the processed data to the wireless communication module; the wireless communication module sends data through the antenna and receives external commands or data. The antenna receives energy from an external wireless signal and transfers it to the energy collection circuit; the energy collection circuit converts the collected energy into electrical energy to power the sensor and the data processing and storage module; the sensor collects environmental data; the data processing and storage module processes the collected data, which may also include data storage; the wireless communication module sends the processed data to an external reader or receiver through the antenna.

[0034] Working principle: When in use, the protective cover 4 is locked and fixed to the outer side of the sensor control box 5 through the elastic ear 10. The protective cover 4 can be used to safely protect the outer side of the sensor control box 5. The side baffle 7 is used to protect the side of the sensor control box 5. The locking rod 8 makes it convenient to lock and fix the protective cover 4. The installation and fixation are relatively convenient. The sensor control box 5 is conveniently inlaid and assembled with the first sensor end plate 2 and the second sensor end plate 6 respectively through the connecting head 3. The multiple sensor probes 1 are inlaid and assembled with the end of the first sensor end plate 2 through the pin 9. The external air can be absorbed through the multiple sensing ports 15 on the side of the second sensor end plate 6 for environmental sensing. The induced signal is transmitted to the sensor control box 5, converted into a data signal by the sensor control box 5, and displayed on the display screen 14. The heat dissipation port 13 can be used to protect the sensor control box 5 from heat dissipation. The installation slot 12 facilitates the installation of the protective cover 4.

[0035] Embodiment 2

[0036] See also Figure 1-6An embodiment of the present invention is as follows: a passive wireless sensing device comprises a first sensing end plate 2, a protective cover 4, a sensing control box 5 and a second sensing end plate 6, wherein the protective cover 4 is provided at the mounting slot 12 on the sensing control box 5, and both ends of the sensing control box 5 are respectively provided with the first sensing end plate 2 and the second sensing end plate 6 through the connector 3, and the end of the first sensing end plate 2 is provided with a plurality of sensing probes 1, and the end of the second sensing end plate 6 is provided with a plurality of sensing ports 15; the mounting slot 12 facilitates the limited installation of the protective cover 4, the protective cover 4 is used to perform safety protection on the outside of the sensing control box 5, the first sensing end plate 2 and the second sensing end plate 6 are used to perform sensing monitoring in different ways, the plurality of sensing probes 1 can perform different sensing, and the plurality of sensing ports 15 can perform absorption sensing.

[0037] The protective cover 4 includes a side baffle 7, a locking rod 8 and an elastic ear 10; the side baffle 7 is arranged at the center of both sides of the protective cover 4, the locking rod 8 is arranged on the side of the side baffle 7, the elastic ear 10 is arranged at both ends of the protective cover 4, and the protective cover 4 is assembled through the elastic ear 10, the locking rod 8 is used to facilitate the installation and fixation of the protective cover 4, and the elastic ear 10 is used to facilitate the locking and fixation of the protective cover 4.

[0038] The connector 3 and the sensor control box 5 are configured as an integral structure, two plugs 11 are provided at the end face of the connector 3, and the plugs 11 and the ends of the first sensor end plate 2 and the second sensor end plate 6 are electrically assembled by inlaying, and the connector 3 is used to facilitate the assembly of the sensor control box 5 with the first sensor end plate 2 and the second sensor end plate 6; the sensor control box 5 includes a heat dissipation port 13 and a display screen 14; the heat dissipation port 13 is provided in the center of the side of the sensor control box 5, and the display screen 14 is provided at the upper front of the sensor control box 5, and the heat dissipation port 13 is used to provide heat dissipation protection for the sensor control box 5.

[0039] There are a plurality of sensor probes 1, and the plurality of sensor probes 1 are set to different models. A latch 9 is provided at the end of the sensor probe 1, and the latch 9 is fixedly inserted into the first sensor end plate 2. The output end of the sensor probe 1 and the input end of the first sensor end plate 2 are electrically connected through the latch 9, and the latch 9 facilitates the assembly of the sensor probe 1 and the first sensor end plate 2.

[0040] A plurality of inwardly concave sensing ports 15 are disposed on the front side of the second sensing end plate 6 . A smoke absorption structure is disposed inside the sensing port 15 . A smoke sensing module is disposed inside the second sensing end plate 6 .

[0041] Working principle: When in use, the protective cover 4 is locked and fixed to the outer side of the sensor control box 5 through the elastic ear 10. The protective cover 4 can be used to safely protect the outer side of the sensor control box 5. The side baffle 7 is used to protect the side of the sensor control box 5. The locking rod 8 makes it convenient to lock and fix the protective cover 4. The installation and fixation are relatively convenient. The sensor control box 5 is conveniently inlaid and assembled with the first sensor end plate 2 and the second sensor end plate 6 respectively through the connecting head 3. The multiple sensor probes 1 are inlaid and assembled with the end of the first sensor end plate 2 through the pin 9. The external air can be absorbed through the multiple sensing ports 15 on the side of the second sensor end plate 6 for environmental sensing. The induced signal is transmitted to the sensor control box 5, converted into a data signal by the sensor control box 5, and displayed on the display screen 14. The heat dissipation port 13 can be used to protect the sensor control box 5 from heat dissipation. The installation slot 12 facilitates the installation of the protective cover 4.

[0042] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A passive wireless sensor device, comprising a first sensor end plate (2), a protective cover (4), a sensor control box (5) and a second sensor end plate (6), characterized in that: A protective sleeve (4) is provided at the installation slot (12) on the sensor control box (5); both ends of the sensor control box (5) are provided with a first sensor end plate (2) and a second sensor end plate (6) respectively through a connector (3); a plurality of sensor probes (1) are provided at the end of the first sensor end plate (2); and a plurality of sensing ports (15) are provided at the end of the second sensor end plate (6).

2. A passive wireless sensor device according to claim 1, characterized in that: The protective cover (4) comprises a side baffle (7), a locking rod (8) and an elastic ear (10); The side baffles (7) are arranged at the center of both sides of the protective sleeve (4), the locking rods (8) are arranged on the sides of the side baffles (7), the elastic ears (10) are arranged at both ends of the protective sleeve (4), and the protective sleeve (4) is assembled through the elastic ears (10).

3. A passive wireless sensor device according to claim 1, characterized in that: The connector (3) and the sensor control box (5) are configured as an integral structure, two plugs (11) are provided at the end surface of the connector (3), and the plugs (11) are electrically assembled with the ends of the first sensor end plate (2) and the second sensor end plate (6) by means of an inlay.

4. A passive wireless sensor device according to claim 1, characterized in that: The sensor control box (5) comprises a heat dissipation port (13) and a display screen (14); The heat dissipation port (13) is arranged at the center of the side of the sensor control box (5), and the display screen (14) is arranged at the upper front side of the sensor control box (5).

5. A passive wireless sensor device according to claim 1, characterized in that: A plurality of the sensor probes (1) are provided, and the plurality of sensor probes (1) are provided with different models. A plug (9) is provided at the end of the sensor probe (1), and the plug (9) is plugged into the first sensor end plate (2), and the output end of the sensor probe (1) is electrically connected to the input end of the first sensor end plate (2) via the plug (9).

6. A passive wireless sensor device according to claim 1, characterized in that: The front side of the second sensing end plate (6) is provided with a plurality of inwardly concave sensing ports (15), a smoke absorption structure is provided inside the sensing ports (15), and a smoke sensing module is provided inside the second sensing end plate (6).

7. A passive wireless sensor device according to claim 1, characterized in that: It also includes a sensor, an antenna, an energy collection circuit, a data processing and storage module and a wireless communication module, the antenna is connected to the energy collection circuit, the energy collection circuit is connected to the data processing and storage module, the antenna is connected to the data processing and storage module, the data processing and storage module is connected to the wireless communication module, and the wireless communication module is connected to the antenna.

8. A passive wireless sensor device according to claim 7, characterized in that: The wireless communication module adopts an RFID tag or an NFC chip.

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