Ultrasonic coin thickness detection equipment

Abstract

The utility model provides an ultrasonic coin thickness detection device comprising the following structures: a coin feeding plate, the surface of the coin feeding plate is fixedly provided with a detection surface, and a coin slides on the detection surface; a transmitting included angle is formed between the transmitting direction of the ultrasonic transmitting tube and the coin plane, and the ultrasonic transmitting tube outputs a transmitting signal; a receiving included angle is formed between the transmitting direction of the ultrasonic receiving tube and the coin plane, and the ultrasonic receiving tube receives a receiving signal; a coin thickness and ultrasonic signal phase difference relation database is preloaded in the main processor, the main processor compares the transmitting signal with the receiving signal to obtain a phase difference, and compares the obtained phase difference with the built-in coin thickness and ultrasonic signal phase difference relation database to obtain coin thickness data; and rapid detection of the coin thickness is realized.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of coin detection, in particular to an ultrasonic device for detecting the thickness of a coin. Background Art

[0002] In the coin counting work, coins of different denominations have different sizes. In order to distinguish coins, thickness detection is one of the most important indicators.

[0003] The inventor proposed using ultrasound to detect the thickness of coins. An ultrasonic transmitting tube sends an ultrasonic signal to the surface of the coin, and the corresponding ultrasonic receiving tube receives the ultrasonic signal reflected from the surface of the coin. Due to the phase difference between the transmitting signal and the receiving signal, the thickness of the coin can be obtained by comparing the data preloaded in the main processor of the device, thereby realizing rapid detection of the coin. Utility Model Content

[0004] 1. Technical problems solved by the utility model:

[0005] The utility model provides an ultrasonic coin thickness detection device, which can realize the rapid detection of coin thickness.

[0006] 2. Technical solution:

[0007] In order to achieve the above-mentioned purpose, the technical solution provided by the utility model is: an ultrasonic device for detecting the thickness of coins, comprising the following structure:

[0008] A coin moving plate, the surface of which is provided with a detection surface, on which coins slide.

[0009] An ultrasonic transmitting tube, wherein the transmitting direction of the ultrasonic transmitting tube forms a transmitting angle with the plane of the coin, and the ultrasonic transmitting tube outputs a transmitting signal.

[0010] An ultrasonic receiving tube, wherein the receiving direction of the ultrasonic receiving tube forms a receiving angle with the plane of the coin, and the ultrasonic receiving tube receives a receiving signal.

[0011] A main processor is preloaded with a database of the relationship between coin thickness and ultrasonic signal phase difference, and the main processor compares and analyzes the transmitted signal and the received signal.

[0012] Furthermore, an ultrasonic transmitting driver is provided in the ultrasonic transmitting tube, and the ultrasonic transmitting driver is communicatively connected with the main processor.

[0013] Furthermore, the reception signal received in the ultrasonic receiving tube is amplified and shaped by ultrasonic reception and sent to the main processor.

[0014] Furthermore, there is a phase difference between the transmitted signal and the received signal.

[0015] Furthermore, a coin moving track is fixedly provided on the rear side of the coin moving plate, a fixing seat is fixedly provided on the top of the coin moving track, and the left and right sides of the top of the fixing seat are respectively connected with the ultrasonic transmitting tube and the ultrasonic receiving tube.

[0016] 3. Beneficial effects:

[0017] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0018] The utility model provides an ultrasonic device for detecting the thickness of coins. The main processor compares the transmission signal and the reception signal to obtain the phase difference, and compares the obtained phase difference with its built-in database of the relationship between the coin thickness and the ultrasonic signal phase difference to obtain the coin thickness data, thereby realizing the rapid detection of the coin thickness.

[0019] The utility model provides an ultrasonic device for detecting the thickness of coins. During the coin detection process, the coin needs to be placed on the detection surface, and the coin track determination and the coin moving plate cooperate to provide a sliding guide for the coin. The ultrasonic transmitting tube outputs a transmitting signal to the surface of the coin, which is received by the ultrasonic receiving tube after being reflected by the coin surface. The receiving signal received by the ultrasonic receiving tube is processed by ultrasonic receiving amplification and shaping and then handed over to the main processor for comparison processing to obtain phase difference data. The structure design of the coin detection device is simple and convenient for manufacturing and later maintenance.

[0020] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the ultrasonic phase difference of the structure of the utility model;

[0023] Figure 3 This is a flowchart of ultrasonic signal processing of the utility model structure.

[0024] Reference numerals:

[0025] Coin moving board-1; detection surface-11;

[0026] Ultrasonic receiving tube-2;

[0027] Ultrasonic transmitting tube-3;

[0028] Coin track determination-4;

[0029] Fixed seat - 5. DETAILED DESCRIPTION

[0030] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0031] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element; when an element is considered to be "connected to" another element, it may be directly connected to the other element or there may also be a central element; the terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention; the terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention; the term "and / or" used herein includes any and all combinations of one or more related listed items.

[0033] See attached Figure 1-3 The utility model provides an ultrasonic device for detecting the thickness of coins, comprising the following structure:

[0034] The coin moving plate 1 has a detection surface 11 fixedly disposed on its surface, on which coins slide.

[0035] The ultrasonic transmitting tube 3 has an emission angle formed between its emission direction and the coin plane, and the ultrasonic transmitting tube 3 outputs an emission signal.

[0036] The ultrasonic receiving tube 2 has an emitting direction and a receiving angle formed with the plane of the coin, and the ultrasonic receiving tube 2 receives a receiving signal.

[0037] The main processor is preloaded with a database of the relationship between coin thickness and ultrasonic signal phase difference. The main processor compares and analyzes the transmitted signal and the received signal.

[0038] In this embodiment, Figure 1 and Figure 3 As shown, an ultrasonic transmitting driver is provided in the ultrasonic transmitting tube 3, and the ultrasonic transmitting driver is communicatively connected with the main processor.

[0039] The ultrasonic emission drive completes the ultrasonic signal generation and power drive of the ultrasonic emission tube 3.

[0040] In this embodiment, Figure 1 and Figure 3 As shown, the receiving signal received in the ultrasonic receiving tube 2 is ultrasonically received, amplified and shaped and then sent to the main processor.

[0041] The receiving signal received by the ultrasonic receiving tube 2 is amplified and shaped by ultrasonic receiving, and the processed receiving signal is sent to the main processor for processing.

[0042] In this embodiment, Figure 2 As shown, there is a phase difference between the transmitted signal and the received signal.

[0043] The main processor compares the transmitted signal and the received signal to obtain the phase difference, and compares the obtained phase difference with its built-in database of the relationship between coin thickness and ultrasonic signal phase difference to obtain coin thickness data.

[0044] In this embodiment, Figure 1 As shown, a coin moving track 4 is fixedly arranged on the rear side of the coin moving plate 1, and a fixing seat 5 is fixedly arranged on the top of the coin moving track 4. The left and right sides of the top of the fixing seat 5 are respectively connected with the ultrasonic transmitting tube 3 and the ultrasonic receiving tube 2.

[0045] During the coin detection process, the coin needs to be placed on the detection surface 11, and the coin track determination 4 and the coin plate 1 cooperate to provide sliding guidance for the coin. The ultrasonic transmitting tube 3 outputs a transmission signal to the surface of the coin, which is received by the ultrasonic receiving tube 2 after reflection from the coin surface. The receiving signal received by the ultrasonic receiving tube 2 is processed by ultrasonic reception, amplification and shaping and then handed over to the main processor for comparison processing to obtain phase difference data, and then obtain the coin thickness data.

[0046] The above-described embodiments only express a certain implementation method of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the patent of the utility model shall be based on the attached claims.

Claims

1. An ultrasonic device for detecting the thickness of coins, characterized in that: Includes the following structure: A coin moving plate (1), wherein a detection surface (11) is fixedly provided on the surface of the coin moving plate (1), and a coin slides on the detection surface (11); An ultrasonic transmitting tube (3), wherein the transmitting direction of the ultrasonic transmitting tube (3) forms a transmitting angle with the plane of the coin, and the ultrasonic transmitting tube (3) outputs a transmitting signal; An ultrasonic receiving tube (2), wherein a receiving direction of the ultrasonic receiving tube (2) forms a receiving angle with the plane of the coin, and the ultrasonic receiving tube (2) receives a receiving signal; A main processor is preloaded with a database of the relationship between coin thickness and ultrasonic signal phase difference, and the main processor compares and analyzes the transmitted signal and the received signal.

2. The ultrasonic coin thickness detection device according to claim 1, characterized in that: An ultrasonic transmitting driver is provided in the ultrasonic transmitting tube (3), and the ultrasonic transmitting driver is communicatively connected with the main processor.

3. The ultrasonic coin thickness detection device according to claim 1, characterized in that: The reception signal received in the ultrasonic receiving tube (2) is amplified and shaped by ultrasonic reception and sent to the main processor.

4. The ultrasonic coin thickness detection device according to claim 1, characterized in that: There is a phase difference between the transmitted signal and the received signal.

5. The ultrasonic coin thickness detection device according to claim 1, characterized in that: A coin moving track (4) is fixedly provided on the rear side of the coin moving plate (1), a fixing seat (5) is fixedly provided on the top of the coin moving track (4), and the left and right sides of the top of the fixing seat (5) are respectively connected to the ultrasonic transmitting tube (3) and the ultrasonic receiving tube (2).

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