Fixing device of human-computer interface

Abstract

The utility model relates to the technical field of human-computer interfaces, and discloses a human-computer interface fixing device. The human-computer interface fixing device comprises a fixing cover, a human-computer interface body is clamped on the inner side of the fixing cover, and an installation mechanism is arranged on the inner side of the fixing cover. By arranging the mounting grooves, the clamping blocks, the threaded grooves and the threaded rods, the human-computer interface main body is inserted into the inner side of the fixed cover, the mounting grooves in the two ends of the human-computer interface main body are continuously embedded with the clamping blocks at the two ends of the inner wall of the fixed cover, and after complete embedding, the threaded rods are rotated through the rocking handles; the threaded rod penetrates through the man-machine interface main body and the penetrating groove in the inner side of the fixing cover to be inserted into the threaded groove in the inner side of the clamping block, the clamping block and the mounting groove are fixed through the threaded rod, then the man-machine interface main body and the fixing cover are mounted in a clamped mode, mounting and operation are easy, dismounting and mounting are convenient, bolts are not used, and the labor intensity of workers is reduced. And the damage to the human-computer interface main body is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of human-machine interface, in particular to a fixing device for a human-machine interface. Background Art

[0002] The human-machine interface is the medium for interaction and information exchange between the system and the user. It realizes the conversion between the internal form of information and the form acceptable to humans. The human-machine interface exists in all fields involving human-machine information exchange. The human-machine interface connects industrial control equipment such as programmable controllers, frequency converters, DC speed regulators, and instruments, uses the display screen to display, writes working parameters or inputs operation commands through the input unit, and realizes digital equipment for information interaction between humans and machines. It consists of hardware and software.

[0003] The existing human-machine interface and the equipment are directly fixed by bolts. If they are frequently disassembled and installed, the human-machine interface will be damaged. In addition, the bolt fixing method is inconvenient to disassemble. Therefore, a fixing device for the human-machine interface is urgently needed. Utility Model Content

[0004] The purpose of the utility model is to provide a fixing device for a human-machine interface to solve the problems proposed in the above background technology that the existing human-machine interface and the equipment are directly fixed by bolts, and if they are frequently disassembled and installed, the human-machine interface will be damaged, and the bolt fixing method is inconvenient to disassemble, and after the human-machine interface is fixed, it is in direct contact with the equipment, resulting in poor heat dissipation effect.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a fixing device for a human-machine interface, comprising a fixing cover, a human-machine interface body is engaged with the inner side of the fixing cover, and an installation mechanism is arranged on the inner side of the fixing cover, and a heat dissipation structure is arranged inside the fixing cover.

[0006] The mounting mechanism comprises a mounting groove, a locking block is engaged on the inner side of the mounting groove, a threaded groove is provided on the inner side of the locking block, a threaded rod is connected to the inner side of the threaded groove, and a crank is fixed on the end of the threaded rod.

[0007] The heat dissipation structure includes a heat dissipation fan, the rear end of the heat dissipation fan is connected to an air inlet cover, the inner wall of the fixed cover is fixed with a fixed block, the outer wall of the fixed block is sleeved with a movable sleeve, and the end of the fixed block is connected with a spring, a temperature sensor is installed at the end of the movable sleeve, and ventilation grooves are opened on the right side and bottom of the fixed cover.

[0008] Preferably, a port is provided at the rear end of the human-machine interface body, mounting blocks are provided on both sides of the fixed cover, and a wire clamping groove is provided on the left side of the fixed cover.

[0009] Preferably, both upper and lower ends of the human-machine interface body are provided with mounting grooves, both ends of the inner wall of the fixed cover are fixed with locking blocks, and the fixed cover and the human-machine interface body are provided with through grooves matching the threaded rods.

[0010] Preferably, the number of the threaded groove, the threaded rod and the crank is two, and the threaded rod and the threaded groove are movably connected via threads.

[0011] Preferably, the heat dissipation fan is fixedly mounted on the fixed cover, the number of the air inlet covers is two, the two air inlet covers are through-connected, and a dustproof net is provided at the end of the air inlet cover.

[0012] Preferably, the movable sleeve is movably connected to the fixed block via a spring, and the temperature sensor is fixedly installed to the movable sleeve via bolts.

[0013] Preferably, the temperature sensor is electrically connected to the cooling fan via a PLC controller.

[0014] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0015] First, the utility model inserts the human-machine interface body into the inner side of the fixed cover by arranging the installation groove, the engaging block, the threaded groove and the threaded rod, and the installation grooves at both ends of the human-machine interface body are continuously engaged with the engaging blocks at both ends of the inner wall of the fixed cover. After being fully engaged, the threaded rod is rotated by the crank so that the threaded rod passes through the human-machine interface body and the through groove on the inner side of the fixed cover, and then is inserted into the threaded groove on the inner side of the engaging block. The engaging block and the installation groove are fixed by the threaded rod, so that the human-machine interface body and the fixed cover are engaged and installed, and the installation is realized. The operation is simple, and it is easy to disassemble and install, and no bolts are used, thereby reducing damage to the human-machine interface body.

[0016] Secondly, the utility model provides a heat dissipation fan, a temperature sensor, an air inlet hood and ventilation slots, and after the human-machine interface main body is installed, the rear end is fitted with the temperature sensor, and the temperature sensor moves on the outside of the fixed block through the movable sleeve squeezing the spring, so that the temperature sensor is always fitted with the rear end of the human-machine interface main body under the support of the spring to perform temperature detection. Under normal operation, the external airflow enters the interior of the fixed hood through the right side of the fixed hood and the ventilation slots at the bottom, and air-cooling and heat dissipation of the human-machine interface main body is achieved. When the temperature sensor detects that the temperature of the human-machine interface main body is too high, the heat dissipation fan is controlled to run through the PLC controller, and the external airflow is quickly absorbed and transported to the interior of the fixed hood through the two air inlet hoods, thereby accelerating the airflow circulation and improving the efficiency of air-cooling and heat dissipation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the top-sectional structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the locking block of the utility model;

[0020] Figure 4 This is a schematic diagram of the temperature sensor of the utility model;

[0021] Figure 5 This is a schematic diagram of the air inlet cover of the utility model;

[0022] Figure 6 This is a schematic diagram of the spring of the utility model;

[0023] Figure 7 This is a schematic diagram of the cable entry duct of the utility model.

[0024] Among them: 1. fixed cover; 2. human-machine interface body; 3. port; 4. installation mechanism; 401. installation slot; 402. snap-fit ​​block; 403. threaded slot; 404. threaded rod; 405. crank; 5. installation block; 6. heat dissipation structure; 601. heat dissipation fan; 602. air inlet cover; 603. fixed block; 604. movable sleeve; 605. spring; 606. temperature sensor; 607. ventilation slot; 7. wire clamping slot. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-3A fixing device for a human-machine interface comprises a fixing cover 1, a human-machine interface body 2 is engaged with the inner side of the fixing cover 1, and a mounting mechanism 4 is arranged on the inner side of the fixing cover 1, a heat dissipation structure 6 is arranged inside the fixing cover 1, the mounting mechanism 4 comprises a mounting groove 401, a locking block 402 is engaged with the inner side of the mounting groove 401, a threaded groove 403 is provided on the inner side of the locking block 402, a threaded rod 404 is connected to the inner side of the threaded groove 403, a crank 405 is fixed to the end of the threaded rod 404, a port 3 is provided at the rear end of the human-machine interface body 2, mounting blocks 5 are arranged on both sides of the fixing cover 1, and a wire clamping groove 7 is arranged on the left side of the fixing cover 1, mounting grooves 401 are provided at the upper and lower ends of the human-machine interface body 2, locking blocks 402 are fixed at both ends of the inner wall of the fixing cover 1, and the fixing cover 1 and the human-machine interface body 2 are provided with threads connected to the threaded rod 404. 4, the number of the threaded groove 403, the threaded rod 404 and the crank 405 is two, and the threaded rod 404 is movably connected with the threaded groove 403 by threads, the human-machine interface body 2 is inserted into the inner side of the fixed cover 1, and the mounting grooves 401 at both ends of the human-machine interface body 2 are continuously engaged with the engaging blocks 402 at both ends of the inner wall of the fixed cover 1. After the engagement is fully engaged, the threaded rod 404 is rotated by the crank 405, so that the threaded rod 404 passes through the human-machine interface body 2 and the threaded grooves on the inner side of the fixed cover 1, and is inserted into the threaded groove 403 on the inner side of the engaging block 402, and the engaging block 402 is fixed to the mounting groove 401 by the threaded rod 404, so that the human-machine interface body 2 and the fixed cover 1 are engaged and installed, and the installation is realized, the operation is simple, and it is easy to disassemble and install, and no bolts are used, thereby reducing damage to the human-machine interface body 2.

[0027] See also Figure 4-7, a fixing device for a human-machine interface, the heat dissipation structure 6 includes a heat dissipation fan 601, the rear end of the heat dissipation fan 601 is connected to an air inlet cover 602, the inner wall of the fixed cover 1 is fixed with a fixed block 603, the outer wall of the fixed block 603 is sleeved with a movable sleeve 604, and the end of the fixed block 603 is connected with a spring 605, and the end of the movable sleeve 604 is installed with a temperature sensor 606, and the right side and the bottom of the fixed cover 1 are provided with ventilation slots 607, the heat dissipation fan 601 is fixedly installed with the fixed cover 1, the number of the air inlet covers 602 is two, the two air inlet covers 602 are connected through, and the end of the air inlet cover 602 is provided with a dustproof net, the movable sleeve 604 is movably connected to the fixed block 603 by a spring 605, and the temperature sensor 606 is fixedly installed with the movable sleeve 604 by bolts, the temperature sensor 606 is electrically connected to the heat dissipation fan 601 through a PLC controller, and the human After the human-machine interface body 2 is installed, the data connected to the port 3 at its rear end is received through the card slot 7, and the rear end of the human-machine interface body 2 is fitted with the temperature sensor 606. The temperature sensor 606 moves on the outside of the fixed block 603 by squeezing the spring 605 through the movable sleeve 604, so that the temperature sensor 606 is always fitted with the rear end of the human-machine interface body 2 under the support of the spring 605 to perform temperature detection. Under normal operation, the external airflow enters the interior of the fixed cover 1 through the ventilation slots 607 on the right side and the bottom of the fixed cover 1, and the human-machine interface body 2 is cooled by air. When the temperature sensor 606 detects that the temperature of the human-machine interface body 2 is too high, the PLC controller controls the cooling fan 601 to run, and quickly absorbs the external airflow through the two air inlet covers 602 to be transported to the interior of the fixed cover 1, thereby accelerating the airflow circulation and improving the efficiency of air cooling.

[0028] When in use, the human-machine interface body 2 is inserted into the inner side of the fixed cover 1, and the installation grooves 401 at both ends of the human-machine interface body 2 are continuously engaged with the locking blocks 402 at both ends of the inner wall of the fixed cover 1. After they are fully engaged, the threaded rod 404 is rotated by the crank 405, so that the threaded rod 404 passes through the through grooves on the inner side of the human-machine interface body 2 and the fixed cover 1, and is inserted into the threaded groove 403 on the inner side of the locking block 402. The locking block 402 is fixed to the installation groove 401 by the threaded rod 404, so that the human-machine interface body 2 and the fixed cover 1 are engaged and installed, and the installation is realized. The operation is simple, and it is easy to disassemble and install. No bolts are used, which reduces damage to the human-machine interface body 2. After the human-machine interface body 2 is installed, the data connected to the port 3 at its rear end is stored through the card line slot 7. , and the rear end of the human-machine interface body 2 is fitted with the temperature sensor 606, and the temperature sensor 606 moves on the outside of the fixed block 603 by squeezing the spring 605 through the movable sleeve 604, so that the temperature sensor 606 is always fitted with the rear end of the human-machine interface body 2 under the support of the spring 605 to perform temperature detection. Under normal operation, the external airflow enters the interior of the fixed cover 1 through the ventilation slots 607 on the right side and the bottom of the fixed cover 1, and the human-machine interface body 2 is cooled by air. When the temperature sensor 606 detects that the temperature of the human-machine interface body 2 is too high, the PLC controller controls the cooling fan 601 to run, and quickly absorbs the external airflow through the two air inlet covers 602 to be transported to the interior of the fixed cover 1, thereby accelerating the airflow circulation and improving the efficiency of air cooling.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A fixing device for a human-machine interface, comprising a fixing cover (1), characterized in that: The inner side of the fixed cover (1) is engaged with the human-machine interface main body (2), and the inner side of the fixed cover (1) is provided with a mounting mechanism (4), and the interior of the fixed cover (1) is provided with a heat dissipation structure (6); The mounting mechanism (4) comprises a mounting groove (401), a locking block (402) is locked inside the mounting groove (401), a threaded groove (403) is provided inside the locking block (402), a threaded rod (404) is connected inside the threaded groove (403), and a crank handle (405) is fixed at the end of the threaded rod (404); The heat dissipation structure (6) comprises a heat dissipation fan (601), the rear end of the heat dissipation fan (601) is connected to an air inlet cover (602), a fixed block (603) is fixed to the inner wall of the fixed cover (1), a movable sleeve (604) is sleeved on the outer wall of the fixed block (603), and a spring (605) is connected to the end of the fixed block (603), a temperature sensor (606) is installed at the end of the movable sleeve (604), and ventilation grooves (607) are provided on the right side and the bottom of the fixed cover (1).

2. A fixing device for a human-machine interface according to claim 1, characterized in that: The rear end of the human-machine interface body (2) is provided with a port (3), both sides of the fixed cover (1) are provided with mounting blocks (5), and the left side of the fixed cover (1) is provided with a wire clamping groove (7).

3. A fixing device for a human-machine interface according to claim 1, characterized in that: The upper and lower ends of the human-machine interface body (2) are provided with mounting grooves (401), the inner wall ends of the fixed cover (1) are fixed with locking blocks (402), and the fixed cover (1) and the human-machine interface body (2) are provided with through grooves matching the threaded rod (404).

4. A fixing device for a human-machine interface according to claim 1, characterized in that: The number of the threaded groove (403), the threaded rod (404) and the crank (405) is two, and the threaded rod (404) and the threaded groove (403) are movably connected via threads.

5. The fixing device of a human-machine interface according to claim 1, characterized in that: The heat dissipation fan (601) is fixedly mounted on the fixed cover (1), the number of the air inlet covers (602) is two, the two air inlet covers (602) are through-connected, and a dustproof net is provided at the end of the air inlet cover (602).

6. A fixing device for a human-machine interface according to claim 1, characterized in that: The movable sleeve (604) and the fixed block (603) are movably connected via a spring (605), and the temperature sensor (606) and the movable sleeve (604) are fixedly installed via bolts.

7. The fixing device of a human-machine interface according to claim 1, characterized in that: The temperature sensor (606) is electrically connected to the cooling fan (601) via a PLC controller.

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