Anti-cheating sensor structure

Abstract

The utility model provides an anti-cheating sensor structure, which comprises a sensor main body, an instrument and a control cabinet, a main board I, a main board II and a singlechip are respectively arranged in the sensor main body, the instrument and the control cabinet, a plurality of groups of patch holes are formed in the side surface of the sensor main body, and cover plates are fixedly connected at the hole openings of the patch holes; first photoelectric sensors used for detecting the state of the cover plate are installed in the multiple sets of patch holes of the sensor body, and the first photoelectric sensors are electrically connected with a first main board arranged in the sensor body. According to the utility model, the photoelectric sensor I capable of detecting whether the cover plate is opened or not is arranged in the patch hole of the sensor main body, so that when the cover plate is opened, a signal is transmitted to the singlechip through the mainboard I and the signal line to trigger the alarm to carry out alarm operation, and the singlechip can lock the control cabinet and the sensor main body.

Description

Technical Field

[0001] The utility model belongs to the technical field of weighing and measuring equipment, and more specifically, particularly relates to an anti-cheating sensor structure. Background Art

[0002] Electronic floor scales are widely used in the weighing of bulk materials in industries such as grain, coal, metallurgy, and chemicals. Compared with other measuring equipment, electronic floor scales have the advantages of high measurement accuracy and ease of use, and are widely used. However, this also creates some problems, the most typical of which is that some unscrupulous merchants use improper means to cheat when weighing materials in order to make illegal profits.

[0003] In the prior art, the most covert cheating method is to install a cheating chip inside the sensor or to embed a cheating chip in a numerical display instrument connected to the sensor to change the displayed value during weighing. This method is highly concealed, harmful, and difficult to prevent, and can easily cause great economic losses to enterprises or individuals. Therefore, in view of this, the existing structure and defects are studied and improved to provide an anti-cheating sensor structure in order to achieve a more practical purpose. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides an anti-cheating sensor structure, which is achieved by the following specific technical means:

[0005] A cheating prevention sensor structure comprises a sensor body, an instrument and a control cabinet, wherein a main board 1, a main board 2 and a single-chip microcomputer are respectively built in the sensor body, a plurality of groups of patch holes are arranged on the side of the sensor body, a cover plate is fixedly connected to the orifices of the patch holes, a photoelectric sensor 1 for detecting the state of the cover plate is installed inside the plurality of groups of patch holes of the sensor body, and the photoelectric sensor 1 is electrically connected to the main board 1 built in the sensor body; the instrument and the control cabinet each comprise a shell, and a sealing plate is connected to one side of the shell by fasteners, a photoelectric sensor 2 and a photoelectric sensor 3 for detecting the state of the sealing plate are respectively installed inside the shell of the instrument and the control cabinet, and the photoelectric sensor 2 and the photoelectric sensor 3 are electrically connected to the main board 2 and the single-chip microcomputer respectively.

[0006] Furthermore, a signal line and a power supply line are connected to one side of the sensor body, and both ends of the signal line and the power supply line are electrically connected to the main board 1 and the single chip microcomputer respectively.

[0007] Furthermore, the main board is connected to a current sensor for detecting the internal current of the signal line and the power supply line.

[0008] Furthermore, a battery and an alarm are installed inside the control cabinet, and the battery and the alarm are electrically connected to the single-chip computer through wires.

[0009] Furthermore, a digital display panel is fixedly embedded on one side of the shell of the instrument, and the digital display panel is electrically connected to the second main board.

[0010] Furthermore, the mainboard 2 is electrically connected to the single chip computer through a wire.

[0011] Furthermore, a control panel is fixedly embedded on one side of the shell of the control cabinet, and the control panel is electrically connected to the single-chip computer.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model installs a photoelectric sensor 1 which can detect whether a cover is opened in the patch hole of a sensor body, so that when the cover is opened, a signal is transmitted to a single-chip microcomputer through a main board 1 and a signal line, so as to trigger an alarm device to perform an alarm operation, and the single-chip microcomputer can lock the control cabinet and the sensor body; at the same time, by installing a current sensor inside the sensor body, it is possible to detect whether the device of the circuit part of the sensor body is working normally and the current, so as to determine whether a cheating device is installed; by installing a photoelectric sensor 2 and a photoelectric sensor 3 inside the instrument and the control cabinet, it is possible to perform real-time detection of the sealing plate of the instrument and the control cabinet, so as to prevent lawbreakers from opening the sealing plate and installing a cheating device inside. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the main structure of the sensor of the utility model.

[0015] Figure 2 It is a schematic diagram of the utility model sensor main body cover being opened.

[0016] Figure 3 It is a schematic diagram of the connection between the sensor body, the instrument and the control cabinet of the utility model.

[0017] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0018] 1. Sensor body; 101. Main board 1; 102. Photoelectric sensor 1; 103. Current sensor; 104. Signal line; 105. Power supply line;

[0019] 2. Instrument; 201. Main board 2; 202. Photoelectric sensor 2; 203. Digital display panel;

[0020] 3. Control cabinet; 301. Single chip microcomputer; 302. Photoelectric sensor 3; 303. Battery; 304. Alarm; 305. Control panel. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0022] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Example:

[0025] As attached Figure 1 To Attachment Figure 3 As shown:

[0026] The utility model provides an anti-cheating sensor structure, comprising a sensor body 1, an instrument 2 and a control cabinet 3, wherein a main board 101, a main board 201 and a single-chip computer 301 are respectively installed inside the sensor body 1, the instrument 2 and the control cabinet 3, a plurality of groups of patch holes are arranged on the side of the sensor body 1, and a cover plate is fixedly connected to the orifices of the patch holes, a photoelectric sensor 102 for detecting the state of the cover plate is installed inside the plurality of groups of patch holes of the sensor body 1, and the photoelectric sensor 102 is electrically connected to the main board 101 built in the sensor body 1; the instrument 2 and the control cabinet 3 both comprise a shell, and a sealing plate is connected to one side of the shell by fasteners, a photoelectric sensor 202 and a photoelectric sensor 302 for detecting the state of the sealing plate are respectively installed inside the shell of the instrument 2 and the control cabinet 3, and the photoelectric sensor 202 and the photoelectric sensor 302 are electrically connected to the main board 201 and the single-chip computer 301, respectively.

[0027] Among them, a signal line 104 and a power supply line 105 are connected to one side of the sensor body 1, and both ends of the signal line 104 and the power supply line 105 are electrically connected to the main board 101 and the single-chip computer 301 respectively to realize data and power connection between the sensor body 1 and the control cabinet 3.

[0028] Among them, the main board 101 is connected to a current sensor 103 for detecting the internal current of the signal line 104 and the power supply line 105, so as to detect the working current inside the main board 101, so as to judge whether the sensor body 1 is working normally and whether a cheating device is installed. After the cheating device is installed, the working current of the sensor body 1 will be higher than the current during normal use.

[0029] Among them, a battery 303 and an alarm 304 are installed inside the control cabinet 3, and the battery 303 and the alarm 304 are electrically connected to the single-chip computer 301 through wires. The setting of the battery 303 can ensure that the whole is not easily affected by the external AC power disconnection factor, which causes the whole power outage and gives criminals an opportunity to take advantage of it; when in use, the control cabinet 3 can be connected to the external AC power, and the AC power passes through the single-chip computer 301 and charges the battery 303, so that when the AC power is disconnected, the whole device will not be affected and can operate normally.

[0030] A digital display panel 203 is fixedly embedded on one side of the shell of the meter 2 , and the digital display panel 203 is electrically connected to the second mainboard 201 .

[0031] The mainboard 201 is electrically connected to the single chip computer 301 through a wire, so as to transmit the vertical direction detected by the sensor body 1 to the instrument 2 and display it.

[0032] A control panel 305 is fixedly embedded on one side of the shell of the control cabinet 3 , and the control panel 305 is electrically connected to the single-chip computer 301 .

[0033] The working principle of this embodiment is as follows: by installing a photoelectric sensor 102 that can detect whether the cover is opened in the patch hole of the sensor body 1, it can be realized that when the cover is opened, the signal is transmitted to the single-chip microcomputer 301 through the main board 101 and the signal line 104, triggering the alarm 304 to perform an alarm operation, and the single-chip microcomputer 301 can lock the control cabinet 3 and the sensor body 1. At the same time, the single-chip microcomputer 301 can be used to record the abnormal state, abnormal occurrence time and location of the sensor body 1, so that subsequent staff can trace it back; at the same time, by installing a current sensor 1 inside the sensor body 1 03, it is possible to detect whether the components of the circuit part of the sensor body 1 are working normally and the current to determine whether a cheating device has been installed; by means of the photoelectric sensor 202 and the photoelectric sensor 302 arranged inside the instrument 2 and the control cabinet 3, it is possible to detect the cover plates of the instrument 2 and the control cabinet 3 in real time to prevent criminals from opening the cover plates to install cheating devices inside. When it is determined that a cheating device has been installed and the cover plates of the instrument 2 and the control cabinet 3 have been opened illegally, the single-chip microcomputer 301 can be used to record the abnormal state, abnormal occurrence time and location of the sensor body 1 for subsequent tracing by the staff.

[0034] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. An anti-cheating sensor structure, comprising a sensor body (1), an instrument (2) and a control cabinet (3), wherein the sensor body (1), the instrument (2) and the control cabinet (3) are respectively provided with a main board 1 (101), a main board 2 (201) and a single-chip computer (301), and the side of the sensor body (1) is provided with a plurality of groups of patch holes, and the hole openings of the patch holes are fixedly connected with a cover plate, characterized in that: The multiple groups of patch holes of the sensor body (1) are each installed with a photoelectric sensor 1 (102) for detecting the state of the cover plate, and the photoelectric sensor 1 (102) is electrically connected to a main board 1 (101) built into the sensor body (1); the instrument (2) and the control cabinet (3) each include a shell, and a sealing plate is connected to one side of the shell via a fastener, and the shells of the instrument (2) and the control cabinet (3) are each installed with a photoelectric sensor 2 (202) and a photoelectric sensor 3 (302) for detecting the state of the sealing plate, and the photoelectric sensor 2 (202) and the photoelectric sensor 3 (302) are electrically connected to the main board 2 (201) and the single-chip computer (301), respectively.

2. The anti-cheating sensor structure according to claim 1, characterized in that: One side of the sensor body (1) is connected to a signal line (104) and a power supply line (105), and both ends of the signal line (104) and the power supply line (105) are electrically connected to a main board (101) and a single chip computer (301) respectively.

3. The anti-cheating sensor structure according to claim 2, characterized in that: The main board (101) is connected to a current sensor (103) for detecting the internal current of the signal line (104) and the power supply line (105).

4. The anti-cheating sensor structure according to claim 1, characterized in that: A storage battery (303) and an alarm (304) are installed inside the control cabinet (3), and the storage battery (303) and the alarm (304) are both electrically connected to the single-chip computer (301) via wires.

5. The anti-cheating sensor structure according to claim 1, characterized in that: A digital display panel (203) is fixedly embedded on one side of the housing of the instrument (2), and the digital display panel (203) is electrically connected to the second mainboard (201).

6. The anti-cheating sensor structure according to claim 1, characterized in that: The second mainboard (201) is electrically connected to the single chip computer (301) via a wire.

7. The anti-cheating sensor structure according to claim 1, characterized in that: A control panel (305) is fixedly embedded on one side of the shell of the control cabinet (3), and the control panel (305) is electrically connected to the single-chip computer (301).

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