CN212647676U

CN212647676U - Geomagnetic detector convenient to dismantle fast

Info

Publication number: CN212647676U
Application number: CN202021390470.0U
Authority: CN
Inventors: 伊伟强; 高全勇
Original assignee: Wuxi Huasai Weiye Sensing Information Technology Co ltd
Current assignee: Wuxi Huasai Weiye Sensing Information Technology Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-03-02
Anticipated expiration: 2030-07-15

Abstract

The utility model provides a geomagnetic detector convenient to dismantle quickly, including detection device and the casing installed in its bottom, detection device includes lid, PCB board and the battery that has the holding chamber, the PCB board is connected the battery and is fixed in the holding chamber, it has circular recess to open between the holding chamber wall and the lid outer wall, and the holding chamber opening terminal surface is equipped with the support bar that a plurality of terminal surfaces were equipped with the dop; the shell is provided with a shell wall capable of entering the circular groove, the shell wall forms a cavity with an upper opening, bayonet sockets which are unevenly distributed along the periphery of the shell wall and penetrate through the shell wall are arranged at the middle lower part of the shell, and the clamping heads can be embedded into the bayonet sockets. The utility model discloses increased and stolen the degree of difficulty, reduced stolen risk, the supporting unlocking device of cooperation simultaneously can realize the quick dismantlement of earth magnetism detector.

Description

Geomagnetic detector convenient to dismantle fast

Technical Field

The utility model relates to a vehicle detection technology field, concretely relates to earth magnetism detector convenient to dismantle fast.

Background

The intelligent traffic system effectively integrates and applies advanced information technology, data communication transmission technology, electronic sensing technology, control technology, computer technology and the like to the whole ground traffic management system, and can play a real-time, accurate and efficient comprehensive traffic management role in a large range and all-around manner.

The vehicle detection system is a data base for realizing comprehensive transportation management. For a vehicle detection system that employs a geomagnetic detector, the geomagnetic detector may be used to detect the presence of a vehicle and vehicle type identification. The data acquisition system plays a very important role in a traffic monitoring system, the geomagnetic detector is a key part of the data acquisition system, and the performance of the geomagnetic detector plays a decisive role in the accuracy of the data acquisition system.

Generally, earth magnetism detector need be fixed to be set up under the road surface, and the detection device and the shell body of current earth magnetism vehicle detector adopt threaded connection together, then inlay into ground, with cement hem, but current earth magnetism vehicle detector does not possess the theftproof structure, only needs to chisel a little circle cement around on the earth magnetism, just can separate detection device and shell body, steals detection device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a geomagnetic detector, compromise its theftproof performance when being convenient for dismantle fast.

In order to achieve the purpose, the utility model provides a geomagnetic detector convenient to disassemble quickly, which comprises a detection device and a shell arranged at the bottom of the detection device, wherein the detection device comprises a cover body with a holding cavity, a PCB and a battery, the PCB is connected with the battery and is fixed in the holding cavity, a circular groove is formed between the wall of the holding cavity and the outer wall of the cover body, and the opening end surface of the holding cavity is provided with a plurality of support bars with clamping heads on the end surfaces; the shell is provided with a shell wall capable of entering the circular groove, the shell wall forms a cavity with an upper opening, bayonet sockets which are unevenly distributed along the periphery of the shell wall and penetrate through the shell wall are arranged at the middle lower part of the shell, and the clamping heads can be embedded into the bayonet sockets.

As the utility model discloses a preferred setting, the dop is square, the bayonet socket including set up in the conch wall inboard with the joint mouth of dop adaptation, and with the through hole that the joint mouth is connected, through hole middle part is slightly thin than its both ends.

As the utility model discloses a preferred setting, be provided with in the through hole and bulldoze the structure.

As the utility model discloses an it sets up to prefer, bulldoze the structure including set up in the push pedal and the connection at through hole both ends the connecting rod of two push pedals, the push pedal size is greater than through hole middle part size.

As the utility model discloses an it still includes unlocking device to prefer to set up, unlocking device includes the elasticity ring body and sets up the elasticity ring body inboard with the depression bar of bayonet socket one-to-one.

As the utility model discloses an optimal setting, circular recess lateral wall with casing upper portion is equipped with corresponding screw thread.

As the utility model discloses an it still includes the closing plate to prefer to set up, the closing plate is detained the holding intracavity be used for with the PCB board is sealed with the battery.

As the utility model discloses an it sets up to prefer, circular recess tank bottom is provided with waterproof gasket.

As the utility model discloses a preferred setting still includes the protection ring that sets up in bottom shell periphery, the protection ring covers all bayonet sockets.

The utility model has the advantages that:

the utility model discloses set up the bayonet socket at the bottom casing, set up the dop that corresponds on detection device, the dop just in time blocks into in the bayonet socket behind threaded connection with detection device and bottom casing joint together, sets up like this, has increased and has stolen the degree of difficulty, has reduced stolen risk. And meanwhile, the geomagnetic detector can be quickly disassembled by matching with a matched unlocking device.

Drawings

Fig. 1 is a schematic perspective view of a three-dimensional structure according to an embodiment of the present invention.

Fig. 2 is a bottom view of the detecting device of the embodiment of the present invention.

Fig. 3 is a cross-sectional view of an embodiment of the invention.

Fig. 4 is an enlarged schematic view of a bayonet according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of an unlocking device according to an embodiment of the present invention.

Wherein the content of the first and second substances,

100-a detection device;

101-a containing cavity;

102-a cover body;

103-PCB board;

104-a battery;

105-a circular groove;

106-support strip;

107-clamping head;

108-sealing plate;

109-waterproof gasket;

200-a housing;

201-a chamber;

202-bayonet;

203-card interface;

204-a through hole;

205-a push plate;

206-a connecting rod;

207-a guard ring;

300-an unlocking device;

301-an elastic ring body;

302-pressure lever.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to specific embodiments.

Example 1

Referring to fig. 1 to 4, as an embodiment of the present invention, the present invention provides a geomagnetic detector convenient for rapid disassembly, including a detection device 100 and a casing 200 installed at the bottom of the detection device, the detection device 100 includes a cover 102 having an accommodating cavity 101, a PCB 103 and a battery 104, the PCB 103 is connected to the battery 104 and fixed in the accommodating cavity 101, a circular groove 105 is opened between the cavity wall of the accommodating cavity 101 and the outer wall of the cover 102, and the opening end face of the accommodating cavity 101 is provided with a plurality of support bars 106 whose end faces are provided with chucks 107; the housing 200 has a wall that can enter the circular groove 105, the wall forms a chamber 201 with an upper opening, the lower part of the housing 200 is provided with bayonets 202 that are unevenly distributed along the periphery of the wall and penetrate the wall, and the chucks 107 can be inserted into the bayonets 202. The PCB board is provided with magnetic sensor modules, a singlechip, serial port modules and other necessary geomagnetic detectors in a centralized manner. The main magnetic sensor module is used for detecting a geomagnetic signal; the single chip microcomputer is used for sending a control signal to the magnetic sensor so as to control the magnetic sensor to detect geomagnetic signals; the serial port module is used for converting the data signal output by the singlechip into an RS232 data signal and sending the RS232 data signal to an upper computer; the magnetic sensor module, the single chip microcomputer and the serial port module battery are electrically connected with the battery through circuit lines on the PCB.

As a preferred configuration of this embodiment, the supporting strip 106 is made of an elastic material, such as a copper-aluminum alloy sheet with elasticity or a plastic material, such as PE, TUV or HUS material.

As a preferable configuration of this embodiment, further, the battery pack further includes a sealing plate 108, and the sealing plate 108 is buckled into the accommodating cavity 101 to seal the PCB 103 and the battery 104, so as to prolong the service life.

As a preferable arrangement of the present embodiment, further, the groove bottom of the circular groove 105 is provided with a waterproof gasket 109.

As a preferable configuration of this embodiment, further, the chuck 107 is square, the bayonet 202 includes a bayonet opening 203 disposed inside the casing wall and adapted to the chuck 107, and a through opening 204 connected to the bayonet opening 203, and a middle portion of the through opening 204 is slightly thinner than two ends thereof.

As the utility model discloses preferred setting of embodiment, furtherly, be provided with in through hole 204 and bulldoze the structure, furtherly, bulldoze the structure including set up in push pedal 205 and the connection at through hole 204 both ends the connecting rod 206 of two push pedals, the push pedal size is greater than through hole middle part size.

In this embodiment, the circular groove 105 of the detection device 100 is assembled with the wall of the housing, and the clip 107 is just engaged with the bayonet 202, so as to engage the detection device 100 with the bottom housing 200. By the pressing structure, the pressing plates in the bayonets 202 are synchronously pressed on the outer side, the elastic support bar 106 is pressed inward to be bent and deformed, the chuck 107 is also separated from the bayonet interface 203, and the detection device 100 is pulled out from the housing 200.

Example 2

This embodiment is a further improvement of embodiment 1, and includes all the technical features disclosed in embodiment 1, and the technical features disclosed in embodiment 1 are also applicable to this embodiment, and the technical features already disclosed in embodiment 1 are not described repeatedly herein. Referring to fig. 5, on the basis of embodiment 1, the unlocking device 300 further includes an elastic ring body 301, and pressing rods 302 disposed inside the elastic ring body 301 and corresponding to the bayonets 202.

Generally, in this embodiment 1 and this embodiment, the bayonets 202 are disposed non-uniformly, and the distance, angle and number of the bayonets 202 are different, so as to provide the corresponding unlocking device 300, thereby facilitating unlocking and disassembling. Meanwhile, the theft difficulty is improved by the diversified bayonet 202 layout.

Example 3

This embodiment is a further improvement of embodiment 2, and includes all the technical features disclosed in embodiment 2, the technical features disclosed in embodiment 2 are also applicable to this embodiment, and the technical features already disclosed in embodiment 2 are not described repeatedly herein. Referring to the drawings, on the basis of embodiment 2, corresponding threads are arranged on the outer side wall of the circular groove 105 and the upper part of the shell 200. Circular recess 105 and casing 200 threaded connection, the one is the stability nature of reinforcing detection device 100 and casing 200 connected, and the other is the stress concentration that reduces support bar 106 bottom dop 107 department, prevention deformation.

Example 4

This embodiment is a further improvement of embodiment 3, and includes all the technical features disclosed in embodiment 3, the technical features disclosed in embodiment 3 are also applicable to this embodiment, and the technical features already disclosed in embodiment 3 are not described repeatedly herein. Referring to fig. 1 to 5, in addition to embodiment 3, the present invention further includes a guard ring 207 disposed on the outer periphery of the bottom case 200, and the guard ring 207 covers all of the bayonets 202.

Generally, the bottom shell of the geomagnetic detector needs to be embedded, in order to increase the anti-theft performance, the bayonet 202 of the shell 200 is completely embedded underground, and in order to prevent cement or soil from blocking the bayonet 202, and the detection device cannot be conveniently pulled out, therefore, the protection ring 207 on the periphery of the bottom shell 200 can prevent soil from entering the bayonet, and the protection ring 207 only needs to be taken down to be detached.

To sum up, the utility model discloses set up the bayonet socket at the bottom casing, set up the dop that corresponds on detection device, the dop just in time goes into the bayonet socket in the card into with detection device and bottom casing joint together behind threaded connection, sets up like this, has increased and has stolen the degree of difficulty, has reduced stolen risk. And meanwhile, the geomagnetic detector can be quickly disassembled by matching with a matched unlocking device.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

Claims

1. A geomagnetic detector convenient to disassemble quickly comprises a detection device and a shell installed at the bottom of the detection device, and is characterized in that the detection device comprises a cover body with an accommodating cavity, a PCB and a battery, wherein the PCB is connected with the battery and fixed in the accommodating cavity; the shell is provided with a shell wall capable of entering the circular groove, the shell wall forms a cavity with an upper opening, bayonet sockets which are unevenly distributed along the periphery of the shell wall and penetrate through the shell wall are arranged at the middle lower part of the shell, and the clamping heads can be embedded into the bayonet sockets.

2. The geomagnetic detector convenient to detach quickly according to claim 1, wherein the supporting bar is made of an elastic material.

3. The geomagnetic detector convenient to detach quickly according to claim 1, wherein the chuck is square, the bayonet comprises a bayonet opening matched with the chuck and arranged on the inner side of the shell wall and a through opening connected with the bayonet opening, the middle part of the through opening is slightly thinner than the two ends of the through opening, a pushing structure is arranged in the through opening, the pushing structure comprises two push plates arranged at the two ends of the through opening and a connecting rod connecting the two push plates, and the size of the push plates is larger than that of the middle part of the through opening.

4. The geomagnetic detector convenient to detach quickly according to claim 3, further comprising an unlocking device, wherein the unlocking device comprises an elastic ring body and pressing rods arranged on the inner side of the elastic ring body and corresponding to the bayonets one by one.

5. The easy-to-detach geomagnetic detector according to claim 1, wherein the outer side wall of the circular groove and the upper part of the casing are provided with corresponding threads.

6. The geomagnetic detector convenient to detach quickly according to claim 1, further comprising a sealing plate buckled into the accommodating cavity to seal the PCB and the battery.

7. The geomagnetic detector convenient to detach quickly according to claim 1, wherein a waterproof gasket is arranged at the bottom of the circular groove.

8. The geomagnetic detector convenient to detach quickly according to claim 1, further comprising a protection ring provided at an outer periphery of the bottom case, wherein the protection ring covers all the bayonets.