CN210835275U - Metal detector capable of detecting volatile organic compounds - Google Patents
Metal detector capable of detecting volatile organic compounds Download PDFInfo
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- CN210835275U CN210835275U CN201922178722.7U CN201922178722U CN210835275U CN 210835275 U CN210835275 U CN 210835275U CN 201922178722 U CN201922178722 U CN 201922178722U CN 210835275 U CN210835275 U CN 210835275U
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- inlet passage
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Abstract
The utility model provides a metal detector capable of detecting volatile organic compounds, which comprises a shell, and an air inlet passage, an air pump, a gas sensor, a gas analysis circuit board, a metal detection coil and a metal detection circuit board which are arranged in the shell, wherein the inlet of the air inlet passage runs through the shell, the outlet of the air inlet passage is communicated with the air inlet of the air pump, and the air inlet passage is communicated with the gas sensor; the output end of the gas sensor is electrically connected with the gas analysis circuit board; the metal detection coil is arranged adjacent to the air inlet passage and is electrically connected with the metal detection circuit board. This metal detector collects metal detection and VOC gas detection in an organic whole, realizes carrying out the volatile organic gas and detects when the metal detects, simple structure, and convenient to use, swift improves detection efficiency greatly.
Description
Technical Field
The utility model relates to a detection equipment technical field especially relates to a metal detector of detectable volatile organic compounds.
Background
The metal detector is a detector with wide application, and is divided into an electromagnetic induction type, an X-ray detection type and a microwave detection type in principle. The main principle of the electromagnetic induction type metal detector is as follows: the detection coil generates a magnetic field after being electrified, when metal enters the magnetic field, the magnetic field can be changed, and when the circuit board detects a magnetic field change signal, sound and light alarm is carried out. Electromagnetic induction type metal inductor can often be used in fields such as security protection, archaeology, engineering, mineral products, but often not only need survey the metal, still need detect Volatile Organic Compounds (VOC).
In practical application, when different substances need to be detected, a detector with each detection function needs to be carried, so that the use is very inconvenient and the detection efficiency is low.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to solving the above-described problems. Specifically, the utility model provides a can detect volatile organic compounds and metallic detector simultaneously.
The utility model provides a metal detector capable of detecting volatile organic compounds, which comprises a shell, and an air inlet passage, an air pump, a gas sensor, a gas analysis circuit board, a metal detection coil and a metal detection circuit board which are arranged in the shell, wherein the inlet of the air inlet passage runs through the shell, the outlet of the air inlet passage is communicated with the air inlet of the air pump, and the air inlet passage is communicated with the gas sensor; the output end of the gas sensor is electrically connected with the gas analysis circuit board; the metal detection coil is arranged adjacent to the air inlet passage and is electrically connected with the metal detection circuit board.
The air inlet passage comprises two air inlet pipes which are arranged side by side, and the metal detection coil is positioned between the two air inlet pipes.
The metal detector also comprises an alarm module, and the gas analysis circuit board and the metal detection circuit board are electrically connected with the alarm module.
The alarm module comprises a first indicator light and a second indicator light, the first indicator light is electrically connected with the output end of the gas analysis circuit board, and the second indicator light is electrically connected with the output end of the metal detection circuit board.
The metal detector also comprises a power supply and a switch, wherein the power supply is arranged in the shell and is electrically connected with the air pump, the gas analysis circuit board and the metal detection circuit board; the switch is positioned on the surface of the shell and is electrically connected with the air pump and the power supply.
Wherein the gas sensor is a VOC gas sensor.
Wherein the metal detector further comprises a wrist strap, the wrist strap being fixed to the housing.
The utility model provides a metal detector collects the metal and surveys and survey in an organic whole with volatile organic compounds, realizes carrying out volatile organic gas in the metal detects and detects, simple structure, and convenient to use, swift improves detection efficiency greatly.
Other characteristic features and advantages of the invention will become apparent from the following description of exemplary embodiments, which is to be read in connection with the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.
Fig. 1 schematically shows a front view of a metal detector according to the present invention;
fig. 2 schematically shows an internal structure of the metal detector according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The basic idea of the utility model is that, design a simple structure, small in size, handy metal detector, at inside gas circuit and the volatile organic compounds detection module of setting up of this metal detector, utilize metal detection coil to survey the metal signal in the gas circuit, whether there is volatile organic compounds in utilizing gas sensor to detect gas simultaneously, realize metal and the simultaneous detection of volatile organic compounds, reduce equipment kind demand, improve detection efficiency.
The metal detector for detecting volatile organic compounds provided by the present invention is described in detail below with reference to the accompanying drawings.
Fig. 1 shows a front structural schematic diagram of the metal detector of the present invention, fig. 2 shows an internal structural schematic diagram of a specific embodiment of the metal detector, and as shown in fig. 1 and fig. 2, the metal detector includes a housing 1 and an air inlet passage 2, an air pump 3, a gas sensor 4, a gas analysis circuit board 5, a metal detection coil 6 and a metal detection circuit board 7 which are arranged in the housing 1. Wherein, the inlet of the air inlet passage 2 is arranged through the shell 1, the outlet of the air inlet passage 2 is communicated with the air inlet of the air pump 3, and the air inlet passage 2 is communicated with the gas sensor 4; the output of the gas sensor 4 is electrically connected to a gas analysis circuit board 5. The air pump 3 pumps the external gas to be detected into the air inlet passage 2, the gas to be detected is detected whether to contain volatile organic compounds when flowing through the gas sensor 4, and the gas to be detected is analyzed and judged by an electronic device on the gas analysis circuit board 5. The metal detection coil 6 is arranged adjacent to the air inlet passage 2 and is electrically connected with the metal detection circuit board 7, the metal detection coil 6 detects whether a metal signal exists in real time along with the circulation of the gas to be detected in the air inlet passage 2, and the metal detection circuit board 7 judges whether the gas to be detected contains the metal signal through monitoring the magnetic field change of the metal detection coil 6.
In the embodiment shown in fig. 2, the intake passage 2 includes two intake pipes 21 arranged side by side, and the metal detection coil 6 is located between the two intake pipes 21 to enlarge the detection range of the metal detection coil 6 and improve the accuracy and reliability of the detection result.
In addition, the metal detector also comprises an alarm module 8, the gas analysis circuit board 5 and the metal detection circuit board 7 are electrically connected with the alarm module 8, when the gas analysis circuit board 5 analyzes that the gas to be detected contains volatile organic compounds and/or when the metal detection circuit board 7 identifies that the gas to be detected contains metal elements, a starting signal is sent to the alarm module 8, and the alarm module 8 sends an alarm signal.
As shown in fig. 1, in the present embodiment, the alarm module 8 includes a first indicator lamp 81 and a second indicator lamp 82, wherein the first indicator lamp 81 is electrically connected to the output end of the gas analysis circuit board 5 for determining whether there is a volatile organic compound in the gas to be detected; the second indicator 82 is electrically connected to the output end of the metal detection circuit board 7 for determining whether a metal element exists in the gas to be detected. In other embodiments, the alarm module 8 may also include a buzzer to sound an audible alarm.
It is noted that the metal detector further comprises a power source 91 and a switch 92, the power source 91 being arranged in the housing 1 for providing electrical energy for the normal operation of the metal detector. Specifically, the power supply 91 is electrically connected to the air pump 3, the gas analysis circuit board 5, and the metal detection circuit board 7. The switch 92 is located on the surface of the housing 1, penetrates through the housing 1, is electrically connected with the air pump 3 and the power supply 91, and controls the start and stop of the air pump 3 and the on and off of the power supply 91. In the present embodiment, the switch 92 is located in the middle of the side of the housing 1 for ease of operation.
Further, the metal detector further comprises a knob 93 disposed on the surface of the housing 1 for adjusting the opening power of the air pump 3 to control the amount of intake air.
The utility model discloses a metal detector simple structure, small in size, portable uses can detect metal signal and volatile organic compounds simultaneously moreover, convenient to use, and detection efficiency is high. For convenience of carrying and operation, the metal detector further comprises a wrist band 11, and the wrist band 11 is fixed on the casing 1. When the wrist band 11 is operated or carried, the wrist band can be sleeved on the hand of an operator to prevent the hand from being taken off or falling to the ground caused by improper operation or external force, and the wrist band can be hung and placed conveniently when the wrist band is not used.
The above-described embodiments can be implemented individually or in various combinations, and such variations are within the scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The above embodiments are merely for illustrating the technical solutions of the present invention and are not to be construed as limiting, and the present invention is described in detail with reference to the preferred embodiments. It should be understood by those skilled in the art that various modifications and equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all the modifications and equivalents should be covered by the scope of the claims of the present invention.
Claims (6)
1. The metal detector is characterized by comprising a shell (1), and an air inlet passage (2), an air pump (3), a gas sensor (4), a gas analysis circuit board (5), a metal detection coil (6) and a metal detection circuit board (7) which are arranged in the shell (1), wherein the inlet of the air inlet passage (2) penetrates through the shell (1), the outlet of the air inlet passage (2) is communicated with the air inlet of the air pump (3), and the air inlet passage (2) is communicated with the gas sensor (4); the output end of the gas sensor (4) is electrically connected with the gas analysis circuit board (5); the metal detection coil (6) is arranged adjacent to the air inlet passage (2) and is electrically connected with the metal detection circuit board (7).
2. A metal detector as claimed in claim 1, characterized in that the inlet passage (2) comprises two inlet tubes (21) arranged side by side, the metal detection coil (6) being located between the two inlet tubes (21).
3. The metal detector according to claim 1, characterized in that it further comprises an alarm module (8), said gas analysis circuit board (5), said metal detection circuit board (7) being electrically connected to said alarm module (8).
4. A metal detector as claimed in claim 3, characterized in that the alarm module (8) comprises a first indicator light (81) and a second indicator light (82), the first indicator light (81) being electrically connected to the output of the gas analysis circuit board (5), the second indicator light (82) being electrically connected to the output of the metal detection circuit board (7).
5. The metal detector according to claim 1, characterized in that it further comprises a power supply (91) and a switch (92), said power supply (91) being arranged inside said casing (1) in electrical connection with said gas pump (3), said gas analysis circuit board (5), said metal detection circuit board (7); the switch (92) is positioned on the surface of the shell (1) and is electrically connected with the air pump (3) and the power supply (91).
6. A metal detector as claimed in claim 1, characterized in that the metal detector further comprises a wrist strap (11), the wrist strap (11) being fixed to the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922178722.7U CN210835275U (en) | 2019-12-09 | 2019-12-09 | Metal detector capable of detecting volatile organic compounds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922178722.7U CN210835275U (en) | 2019-12-09 | 2019-12-09 | Metal detector capable of detecting volatile organic compounds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210835275U true CN210835275U (en) | 2020-06-23 |
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ID=71258784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922178722.7U Active CN210835275U (en) | 2019-12-09 | 2019-12-09 | Metal detector capable of detecting volatile organic compounds |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210835275U (en) |
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2019
- 2019-12-09 CN CN201922178722.7U patent/CN210835275U/en active Active
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