Mark signal generator

Abstract

The utility model discloses a mark signal generator, which comprises a casing, a charging connector and an output electric connector are arranged on the outer side of the casing, a wireless switch module and a transformer module are arranged in the casing, the wireless switch module is simultaneously connected with the output electric connector and the input end of the transformer module, and the output end of the transformer module is connected with the output electric connector. The charging connector is connected to external charging equipment, the output electric connector is connected to external data acquisition equipment, the transformer module is controlled to be started and stopped by wirelessly controlling opening and closing of the wireless switch module, the transformer module is powered on every time the wireless switch module is closed and connected, the transformer module generates a voltage signal, and the voltage signal is transmitted to the external charging equipment. At the moment, the data acquisition device collects the voltage signal at the time point, and the time point concerned in the experimental test process can be accurately positioned according to the voltage signal collected by the data acquisition device in the time domain during subsequent data viewing, so that the experimental process is simplified, and the structure is simple.

Description

Technical Field

[0001] The utility model relates to the technical field of experimental testing of audio analysis, in particular to a marking signal generator. Background Art

[0002] In experiments that require long recordings or video analysis, such as the analysis of occasional abnormal noises in real vehicles, after completing the test recording, the recording needs to be played back to determine the abnormal noise point when analyzing the experimental results, making the experimental process more cumbersome. At the same time, if the analysis test requires subjective evaluation, it is also inconvenient to unify and determine the required evaluation time points later. Utility Model Content

[0003] The utility model aims to provide a marking signal generator to solve one or more technical problems existing in the prior art, and to accurately locate the time point of interest in the experimental test process according to the voltage signal collected by the data acquisition device in the time domain when viewing the data subsequently.

[0004] The solution of the utility model to solve the technical problem is:

[0005] The technical solutions adopted to solve the above technical problems are:

[0006] The utility model provides a marking signal generator, comprising:

[0007] The casing has a charging connector and an output electrical connector on the outside, and a wireless switch module and a transformer module are arranged inside the casing. The wireless switch module is connected to the output electrical connector and the input end of the transformer module at the same time, and the output end of the transformer module is connected to the output electrical connector.

[0008] The beneficial effects of the utility model are:

[0009] When in use, the charging connector is connected to an external charging device, and the output electrical connector is connected to an external data acquisition device. When the wireless switch module is in a closed and connected state, the charging device supplies power to the transformer module through the charging connector and the wireless switch module. Then, during the experimental test of long-segment recording or video analysis, the start and stop of the transformer module are controlled by wirelessly controlling the opening and closing of the wireless switch module. Each time the wireless switch module is closed and connected, the transformer module is energized, and the transformer module generates a voltage signal, which is transmitted to the external data acquisition device through the output electrical connector. At this time, the data acquisition device collects the voltage signal at that time point. When viewing the data later, the time point of concern in the experimental test process can be accurately located according to the voltage signal collected by the data acquisition device in the time domain, thereby simplifying the experimental process and having a simple structure.

[0010] As a further improvement of the above technical solution, it also includes a display light, which is installed on the outside of the casing and connected to the output end of the transformer module.

[0011] Each time the wireless switch module is closed and connected, the transformer module is energized, and the transformer module outputs a voltage signal to the output electrical connector, and also outputs a flashing current voltage to the display light. At this time, the display light flashes, indicating that a voltage signal is output from the output electrical connector. In this way, the user can intuitively know that the data acquisition device has collected the voltage signal at that point in time.

[0012] As a further improvement of the above technical solution, the charging connector and the output electrical connector are respectively installed at two ends of the housing.

[0013] For easy connection, the present invention arranges the charging connector and the output electrical connector at both ends of the casing respectively. During assembly, the external charging device is connected to the charging connector at one end of the casing, while the external data acquisition device is connected to the output electrical connector at the other end of the casing.

[0014] As a further improvement of the above technical solution, the casing includes a hollow sleeve, and a first end cover and a second end cover respectively mounted on both ends of the sleeve, the first end cover is provided with a first mounting port for inserting the charging connector, and the second end cover is provided with a second mounting port for inserting the output electrical connector.

[0015] The housing in the present solution is formed by sealing the two ends of the sleeve with the first end cover and the second end cover. During assembly, the first end cover and the second end cover are removed, and then the wireless switch module and the transformer module are installed in the sleeve, and the charging connector is inserted into the first mounting port of the first end cover, and the output electrical connector is inserted into the second mounting port of the second end cover, and then the first end cover and the second end cover are covered, which is convenient for assembly.

[0016] As a further improvement of the above technical solution, one end of the output electrical connector is provided with an external thread section, the external thread section is inserted into the second mounting port, the external thread section is threadedly connected with a nut abutting against the inner side of the second end cover, and the outer periphery of the output electrical connector is provided with a limiting step abutting against the outer side of the second end cover.

[0017] When installing the output electrical connector, pass the external thread section through the second mounting opening from the outside to the inside, then put the nut on the inner end of the external thread section, tighten the nut, and clamp the output electrical connector on the second mounting opening through the clamping of the nut and the limiting step.

[0018] As a further improvement of the above technical solution, the charging connector is connected to a fixing base, the fixing base is provided with two screw holes located on both sides of the charging connector, the first end cover is provided with two fixing holes corresponding to the two screw holes, and a countersunk bolt is connected between the fixing hole and the screw hole.

[0019] When installing the charging connector, align the charging connector with the first mounting port. At this time, the two screw holes on the fixing base correspond to the two fixing holes one by one. Then, the countersunk bolts are passed through the fixing holes and connected to the screw holes to clamp the charging connector in the first mounting port.

[0020] As a further improvement of the above technical solution, the first end cover is provided with a lamp hole, and the display lamp is inserted into the lamp hole.

[0021] The display light is connected to the output end of the transformer module through a wire, and the display light is inserted and fixed in the lamp hole to facilitate observation and fixing.

[0022] As a further improvement of the above technical solution, the first end cover and the second end cover are both provided with a sleeve sleeve that fits with the sleeve. This solution realizes the fixed installation of the first end cover and the second end cover by inserting the sleeve sleeve with the sleeve, which is convenient for disassembly and assembly.

[0023] As a further improvement of the above technical solution, a sealing ring is provided between the sleeve and the sleeve, which can improve the sealing performance of the installation of the first end cover and the second end cover.

[0024] As a further improvement of the above technical solution, a wireless remote controller for wirelessly controlling the opening and closing of the wireless switch module is also included. When in use, the user controls the opening and closing of the wireless switch module through the wireless remote controller. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0026] Figure 1 This is a structural schematic diagram of an embodiment of a marking signal generator provided by the utility model;

[0027] Figure 2 It is a cross-sectional view of an embodiment of the marking signal generator provided by the utility model;

[0028] Figure 3 This is an exploded view of an embodiment of the marking signal generator provided by the utility model;

[0029] Figure 4 The utility model provides a marking signal generator, an electrical connection diagram of an embodiment thereof. DETAILED DESCRIPTION

[0030] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0031] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0032] In the description of the present utility model, if there are words such as "several", it means one or more, "more" means more than two, greater than, less than, exceed, etc. are understood to exclude the number, and above, below, within, etc. are understood to include the number.

[0033] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0034] Reference Figure 1 to Figure 4 The marking signal generator of the utility model makes the following embodiments:

[0035] like Figures 1 to 3 As shown, the marking signal generator of this embodiment includes a housing 100, a charging connector 200, an output electrical connector 300, a wireless switch module 400, a transformer module 500 and a wireless remote controller (not shown).

[0036] The charging connector 200 and the output electrical connector 300 are installed on the outside of the housing 100, while the wireless switch module 400 and the transformer module 500 are installed inside the housing 100. Figure 4 As described above, the wireless switch module 400 is electrically connected to the output electrical connector 300 and the input end of the transformer module 500 through wires, and the output end of the transformer module 500 is signal-connected to the output electrical connector 300 through wires.

[0037] The wireless remote control is configured to wirelessly control the opening and closing of the wireless switch module 400. When in use, the charging connector 200 is connected to an external charging device, and the output electrical connector 300 is connected to an external data acquisition device. When the wireless switch module 400 is in a closed connection state, the charging device supplies power to the transformer module 500 through the charging connector 200 and the wireless switch module 400.

[0038] During the experimental test of long-segment recording or video analysis, the wireless switch module 400 is wirelessly controlled by a wireless remote controller to start and stop the transformer module 500. Each time the wireless switch module 400 is closed and connected, the transformer module 500 is energized, and the transformer module 500 generates a voltage signal, which is transmitted to an external data acquisition device through the output electrical connector 300. At this time, the data acquisition device collects the voltage signal at that time point. When viewing the data later, the time point of interest in the experimental test process can be accurately located according to the voltage signal collected by the data acquisition device in the time domain, thereby simplifying the experimental process and having a simple structure.

[0039] The voltage signal in this embodiment is a 3.3V rectangular DC voltage signal. In other embodiments, other voltages may be set.

[0040] Furthermore, the marking signal generator further includes a display light 600, which is mounted on the outside of the housing 100. Figure 4 As shown, the display light 600 is connected to the output end of the transformer module 500. When the wireless switch module 400 is closed and connected each time, the transformer module 500 is energized, and the transformer module 500 outputs a voltage signal to the output electrical connector 300, and also outputs a flashing current voltage to the display light 600. At this time, the display light 600 flashes, indicating that a voltage signal is output from the output electrical connector 300. In this way, the user can intuitively know that the data acquisition device has collected the voltage signal at that point in time.

[0041] For the convenience of connection, the present embodiment arranges the charging connector 200 and the output electrical connector 300 at the two ends of the housing 100 respectively. During assembly, the external charging device is connected to the charging connector 200 at one end of the housing 100, while the external data acquisition device is connected to the output electrical connector 300 at the other end of the housing 100.

[0042] The housing 100 of this embodiment includes a sleeve 110, a first end cover 120 and a second end cover 130. The sleeve 110 extends left and right and is a hollow structure. The second end cover 130 and the first end cover 120 are respectively installed at the left and right ends of the sleeve 110. The first end cover 120 is provided with a first installation port 121 for plugging in the charging connector 200, and the second end cover 130 is provided with a second installation port 131 for plugging in the output electrical connector 300.

[0043] The housing 100 of this embodiment is formed by blocking the two ends of the sleeve 110 with the first end cover 120 and the second end cover 130. During assembly, the first end cover 120 and the second end cover 130 are removed, and then the wireless switch module 400 and the transformer module 500 are installed in the sleeve 110, and the charging connector 200 is inserted into the first installation port 121 of the first end cover 120, and the output electrical connector 300 is inserted into the second installation port 131 of the second end cover 130, and then the first end cover 120 and the second end cover 130 are covered, which is convenient for assembly.

[0044] As for the fixing method of the output electrical connector 300, an external thread section 310 is provided at the inner end of the output electrical connector, the external thread section 310 is inserted into the second installation port 131, the external thread section 310 is threadedly connected with a nut 320, and a limiting step 330 is provided at the outer periphery of the output electrical connector 300. When installing the output electrical connector 300, the external thread section 310 is passed through the second installation port 131 from the outside to the inside, and then the nut 320 is sleeved on the inner end of the external thread section 310, and the nut 320 is tightened. The limiting step 330 abuts against the outer side of the second end cover 130, and the nut 320 abuts against the inner side of the second end cover 130. The output electrical connector 300 is clamped and fixed on the second installation port 131 by clamping the nut 320 and the limiting step 330.

[0045] As for the fixing method of the charging connector 200, the charging connector 200 is connected to a fixing base 210, and the fixing base 210 is provided with two screw holes 211, and the two screw holes 211 are located on both sides of the charging connector 200. The first end cover 120 is provided with two fixing holes 122 corresponding to the two screw holes 211 one by one, and a countersunk bolt (not shown in the figure) is threadedly connected between the fixing hole 122 and the screw hole 211. When installing the charging connector 200, the charging connector 200 is aligned with the first installation port 121. At this time, the two screw holes 211 on the fixing base 210 correspond to the two fixing holes 122 one by one, and then the countersunk bolt is passed through the fixing hole 122 and connected to the screw hole 211, so as to clamp and fix the charging connector 200 in the first installation port 121.

[0046] In addition, the first end cover 120 is provided with a lamp hole 123, and the display lamp 600 is connected to the output end of the transformer module 500 through a wire, and the display lamp 600 is inserted and fixed in the lamp hole 123 to facilitate observation and fixing.

[0047] In this embodiment, a sleeve 140 is provided on the inner side of the first end cover 120 and the second end cover 130. The sleeve 140 is fitted with the sleeve 110. In this embodiment, the first end cover 120 and the second end cover 130 are fixedly installed by inserting the sleeve 140 into the sleeve 110, which is convenient for assembly and disassembly.

[0048] In some embodiments, a sealing ring is disposed between the sleeve 140 and the sleeve 110 , and the sealing ring can improve the sealing performance of the installation of the first end cover 120 and the second end cover 130 .

[0049] The sleeve 110 of this embodiment is made of a POM tube, and the first end cap 120 and the second end cap 130 are both made of aluminum alloy. The charging connector 200 is a Type-c interface, and the output electrical connector 300 is a BNC head. The display light 600 is an LED light.

[0050] The preferred implementation modes of the present invention are specifically described above, but the present invention is not limited to the described embodiments. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit of the present invention, and these equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A marking signal generator, characterized in that: include: The casing has a charging connector and an output electrical connector on the outside, and a wireless switch module and a transformer module are arranged inside the casing. The wireless switch module is connected to the output electrical connector and the input end of the transformer module at the same time, and the output end of the transformer module is connected to the output electrical connector.

2. The marking signal generator according to claim 1, characterized in that: It also includes a display light, which is installed on the outside of the casing and connected to the output end of the transformer module.

3. The marking signal generator according to claim 2, characterized in that: The charging connector and the output electrical connector are respectively installed at two ends of the housing.

4. The marking signal generator according to claim 3, characterized in that: The housing includes a hollow sleeve, a first end cover and a second end cover respectively mounted on both ends of the sleeve, the first end cover is provided with a first mounting port for inserting the charging connector, and the second end cover is provided with a second mounting port for inserting the output electrical connector.

5. The marking signal generator according to claim 4, characterized in that: One end of the output electrical connector is provided with an external thread section, the external thread section is inserted into the second mounting port, the external thread section is threadedly connected with a nut abutting against the inner side of the second end cover, and the outer periphery of the output electrical connector is provided with a limiting step abutting against the outer side of the second end cover.

6. The marking signal generator according to claim 4, characterized in that: The charging connector is connected to a fixing seat, the fixing seat is provided with two screw holes located on both sides of the charging connector, the first end cover is provided with two fixing holes corresponding to the two screw holes, and a countersunk bolt is connected between the fixing hole and the screw hole.

7. The marking signal generator according to claim 6, characterized in that: The first end cover is provided with a lamp hole, and the display lamp is inserted into the lamp hole.

8. The marking signal generator according to claim 4, characterized in that: The first end cover and the second end cover are both provided with a sleeve sleeve that is sleeved with the sleeve.

9. The marking signal generator according to claim 8, characterized in that: A sealing ring is provided between the sleeve tube and the sleeve.

10. The marking signal generator according to any one of claims 1 to 9, characterized in that: It also includes a wireless remote controller for wirelessly controlling the opening and closing of the wireless switch module.

Images