Variable analog-to-digital converter

Abstract

The utility model relates to a variable mode breaking converter, which aims to solve the technical problem of large workload caused by the fact that a tool needs to be used for disassembling screws and corresponding positioning pieces during maintenance or replacement at present, and comprises a converter body, a bottom plate and a positioning structure, the converter body is placed on the bottom plate; the two positioning structures are arranged on the two sides of the bottom plate correspondingly. Wherein the positioning structure is in positioning fit with the side edge of the converter body; the positioning structure comprises a fixing plate, a clamping plate and a spring; the fixed plate is fixedly arranged on the bottom plate; the clamping plate is arranged on the inner side of the fixing plate through a connecting assembly. The two springs are symmetrically arranged between the inner side of the fixing plate and the outer side of the clamping plate, and the converter body clamping device has the advantages that the converter body placed on the bottom plate can be rapidly clamped and positioned, so that the converter body is convenient to mount, dismount and maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of electric signal conversion, in particular to a variable analog-to-analog converter. Background Art

[0002] The variable analog-to-analog converter is a signal conversion device that converts conventional voltage signals into 3.25V / 1V small signal voltage and current with deep integration terminals. It has customized zero-sequence voltage and zero-sequence current, and has higher accuracy and stability than large signal sources that directly output less than 100mV.

[0003] The variable analog converter is fixed after installation. When repairing or replacing it, tools are needed to remove the screws and corresponding positioning parts, which is a lot of work and increases the burden.

[0004] In view of this, we propose a variable analog-to-digital converter. Utility Model Content

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art, meet actual needs, and provide a variable analog-to-analog converter to solve the current technical problem that tools are needed to remove screws and corresponding positioning parts during maintenance or replacement, resulting in a relatively large workload.

[0006] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is: designing a variable analog-to-analog converter, including a converter body, a bottom plate and a positioning structure;

[0007] The converter body is placed on the bottom plate;

[0008] Two positioning structures are respectively arranged on both sides of the bottom plate;

[0009] Wherein, the positioning structure is positioned and matched with the side edge of the converter body;

[0010] The positioning structure includes a fixing plate, a clamping plate and a spring;

[0011] The fixing plate is fixed on the bottom plate;

[0012] The clamping plate is arranged on the inner side of the fixing plate through a connecting assembly;

[0013] Two springs are symmetrically arranged between the inner side of the fixing plate and the outer side of the clamping plate.

[0014] Preferably, two guide grooves are symmetrically provided on the bottom plate, and two guide bars are symmetrically fixed on the bottom of the converter body, and the guide bars are slidably matched with the guide grooves.

[0015] Preferably, the entry end of the guide groove is configured to be in an outward-facing octagonal shape.

[0016] Preferably, a baffle is fixedly provided at the end of the bottom plate, and the baffle is limitedly matched with the converter body.

[0017] Preferably, the connecting assembly comprises a U-shaped plate, a movable plate and a limiting plate;

[0018] The U-shaped plate is fixedly arranged on the inner side of the fixed plate;

[0019] The movable plate is inserted into the opening at the longitudinal end of the U-shaped plate;

[0020] Wherein, one end of the movable plate is fixedly connected to the outer side of the clamping plate;

[0021] The limiting plate is fixedly arranged at the other end of the movable plate.

[0022] Preferably, the inner side of the front end of the clamping plate is configured as an inclined surface.

[0023] Preferably, a rubber pad is fixedly provided on the inner side of the clamping plate, and the front end of the rubber pad is in contact with the inclined surface.

[0024] Compared with the prior art, the beneficial effects of the utility model are:

[0025] 1. The utility model has the advantages of quickly clamping and positioning the converter body placed on the base plate by arranging a fixing plate, a connecting assembly, a clamping plate and a spring, so that the converter body is easy to install and also easy to disassemble and repair, and solves the problem of a large workload caused by the need to use tools to remove screws and corresponding positioning parts during repair or replacement.

[0026] 2. The utility model has the advantage of directional movement of the converter body placed on the bottom plate by providing the guide groove and the guide strip, so that the converter body is accurately clamped and positioned by the two clamping plates.

[0027] 3. The utility model has the advantage of limiting the moving distance of the clamping plate by arranging the U-shaped plate, the movable plate and the limit plate, thereby preventing the clamping plate from excessively moving inwards and blocking the pushing of the converter body. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0029] Figure 2 It is a schematic diagram of the exploded structure of the utility model;

[0030] Figure 3 This is a schematic diagram of the positioning structure of the utility model;

[0031] Figure 4 This is a schematic diagram of the structure of the connection assembly of the utility model;

[0032] In the figure: 1. bottom plate; 2. converter body; 3. positioning structure; 4. stop bar;

[0033] 101, guide groove;

[0034] 201, guide strip;

[0035] 301, fixing plate; 302, connecting assembly; 303, clamping plate; 304, spring; 305, rubber pad;

[0036] 3021, U-shaped plate; 3022, movable plate; 3023, limiting plate. DETAILED DESCRIPTION

[0037] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0038] Embodiment 1: A variable analog-to-analog converter, see Figures 1 to 4 , including a converter body 2, (the analog circuit breaker part of the converter body 2 consists of five parts: a working power supply circuit, a logic control circuit, a local tripping and closing circuit, a mode conversion circuit, and a remote signal receiving circuit. The power supply circuit is mainly composed of components such as a power transformer, a power filter inductor, a rectifier bridge, a filter capacitor, and a voltage regulator integration. The logic control circuit is mainly composed of components such as a digital OR gate, a NAND gate, a drive optocoupler, and a logic interlock relay. The local opening and closing circuit is mainly composed of components such as an opening and closing button, an opening indicator light, a closing indicator light, an energy storage indicator light, a tripping coil, and a closing coil. The remote signal receiving circuit is mainly composed of components such as a remote signal relay. The conventional voltage signal and current signal are converted into the small signal voltage and current signals required by the deep fusion terminal. Not drawn in the figure, it belongs to the prior art).

[0039] It also includes a base plate 1 and a positioning structure 3;

[0040] The bottom plate 1 is fixed on the work surface; the converter body 2 is placed on the bottom plate 1; two positioning structures 3 are arranged on both sides of the bottom plate 1; wherein the positioning structures 3 are positioned and matched with the side edges of the converter body 2;

[0041] The positioning structure 3 includes a fixing plate 301, a clamping plate 303 and a spring 304;

[0042] The fixing plate 301 is fixed on the base plate 1; the clamping plate 303 is arranged on the inner side of the fixing plate 301 through the connecting assembly 302; the two springs 304 are symmetrically arranged between the inner side of the fixing plate 301 and the outer side of the clamping plate 303; the two ends of the spring 304 are respectively fixedly connected to the inner side of the fixing plate 301 and the outer side of the clamping plate 303, and the elastic coefficient of the spring 304 is selected and used by the technicians in this profession according to the actual situation.

[0043] The utility model has the advantage of quickly clamping and positioning the converter body 2 placed on the base plate 1 by providing a fixing plate 301, a connecting assembly 302, a clamping plate 303 and a spring 304, so that the converter body 2 is easy to install and also easy to disassemble and repair, thereby solving the problem of a large workload caused by the need to use tools to remove screws and corresponding positioning parts during repair or replacement.

[0044] Specifically, two guide grooves 101 are symmetrically provided on the bottom plate 1 , and two guide bars 201 are symmetrically fixed on the bottom of the converter body 2 , and the guide bars 201 are slidably matched with the guide grooves 101 .

[0045] The utility model has the advantage of directional movement of the converter body 2 placed on the bottom plate 1 by providing the guide groove 101 and the guide strip 201 , so that the converter body 2 is accurately clamped and positioned by the two clamping plates 303 .

[0046] Furthermore, the entry end of the guide groove 101 is configured to be in an outward-facing octave shape, and the large opening of the guide groove 101 facilitates the insertion of the end of the guide strip 201 .

[0047] Furthermore, a stop bar 4 is fixedly provided at the end of the bottom plate 1 , and the stop bar 4 is limitedly matched with the converter body 2 .

[0048] The utility model has the advantage of providing the stop bar 4 to limit the end position of the converter body 2 placed on the bottom plate 1, so that the converter body 2 can be accurately placed in the use position after being pushed in.

[0049] It is worth noting that the connection assembly 302 includes a U-shaped plate 3021, a movable plate 3022 and a limiting plate 3023;

[0050] The U-shaped plate 3021 is fixed on the inner side of the fixed plate 301 ; the movable plate 3022 is inserted into the longitudinal end opening of the U-shaped plate 3021 ; one end of the movable plate 3022 is fixedly connected to the outer side of the clamping plate 303 ; the limiting plate 3023 is fixed on the other end of the movable plate 3022 .

[0051] The utility model has the advantage of limiting the moving distance of the clamping plate 303 by arranging the U-shaped plate 3021, the movable plate 3022 and the limiting plate 3023, thereby preventing the clamping plate 303 from excessively moving inwards and blocking the push-in of the converter body 2.

[0052] It is worth noting that the inner side of the front end of the clamping plate 303 is set to be an inclined surface. When the converter body 2 is pushed in, the rear end side contacts the inclined surface, and the clamping plate 303 can be pushed outward along the inclined surface to facilitate the installation of the converter body 2.

[0053] It is worth mentioning that a rubber pad 305 is fixedly arranged inside the clamping plate 303 , and the front end of the rubber pad 305 fits the inclined surface. By setting the rubber pad 305 to contact the side of the converter body 2 , scratches on the converter body 2 can be avoided.

[0054] Working principle: When using the device of the utility model, the bottom plate 1 is fixed on the work surface. When the converter body 2 is installed on the bottom plate 1, the converter body 2 is connected, and the converter body 2 is pushed in from the front end of the bottom plate 1. The end of the guide bar 201 is inserted from the entry end of the guide groove 101. When the converter body 2 is pushed in, the rear side of the converter body 2 contacts the inclined surface of the rubber pad 305, and the clamping plate 303 is pushed outward along the inclined surface. The movable plate 3022 moves relative to the U-shaped plate 3021, and the spring 304 is compressed until the side of the converter body 2 contacts the rubber pad 305 at the plane. Under the action of the spring 304, the clamping plate 303 and the rubber pad 305 are pressed against the side of the converter body 2. The two clamping plates 303 and the rubber pad 305 cooperate to clamp the converter body 2 in place, and the converter body 2 is pushed continuously until the end of the converter body 2 is blocked by the blocking bar 4 and stops. When disassembling the converter body 2, the converter body 2 can be directly pulled out from the bottom plate 1.

[0055] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A variable analog-to-analog converter, comprising a converter body (2), characterized in that: Also includes: Bottom plate (1); Wherein, the converter body (2) is placed on the base plate (1); Two positioning structures (3) are respectively arranged on both sides of the bottom plate (1); Wherein, the positioning structure (3) is positioned and matched with the side edge of the converter body (2); The positioning structure (3) comprises: A fixed plate (301) fixedly mounted on the bottom plate (1); A clamping plate (303) is arranged on the inner side of the fixing plate (301) through a connecting assembly (302); Two springs (304) are symmetrically arranged between the inner side of the fixing plate (301) and the outer side of the clamping plate (303).

2. A variable analog-to-analog converter as claimed in claim 1, characterized in that: Two guide grooves (101) are symmetrically provided on the bottom plate (1), and two guide bars (201) are symmetrically fixed on the bottom of the converter body (2), wherein the guide bars (201) are slidably matched with the guide grooves (101).

3. A variable analog-to-analog converter as claimed in claim 2, characterized in that: The entry end of the guide groove (101) is configured in an outward-facing eight-shaped shape.

4. A variable analog-to-analog converter as claimed in claim 1, characterized in that: A retaining bar (4) is fixedly provided at the end of the bottom plate (1), and the retaining bar (4) is in position-limiting cooperation with the converter body (2).

5. A variable analog-to-analog converter as claimed in claim 1, characterized in that: The connection component (302) comprises: A U-shaped plate (3021) is fixedly mounted on the inner side of the fixing plate (301); A movable plate (3022) is inserted into the longitudinal end opening of the U-shaped plate (3021); Wherein, one end of the movable plate (3022) is fixedly connected to the outer side of the clamping plate (303); The limiting plate (3023) is fixedly arranged at the other end of the movable plate (3022).

6. A variable analog-to-analog converter as claimed in claim 1, characterized in that: The inner side of the front end of the clamping plate (303) is configured as an inclined surface.

7. A variable analog-to-analog converter as claimed in claim 6, characterized in that: A rubber pad (305) is fixedly arranged on the inner side of the clamping plate (303), and the front end of the rubber pad (305) is in contact with the inclined surface.

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