Temperature detection experiment module based on PLC controller

Abstract

The utility model provides a PLC controller-based temperature detection experiment module, which comprises a module assembly and a plurality of rolling mechanisms, and is characterized in that the module assembly comprises an outer casing, a PLC controller body and a temperature sensor; wherein the PLC body is installed on one side of the inner side wall of the outer machine shell, and the temperature sensor is installed on one side of the PLC body; according to the utility model, the PLC controller body and the temperature sensor are integrally processed, so that the PLC controller body and the temperature sensor can be directly used when a temperature detection experiment is carried out, and independent wiring operation is not needed; the temperature sensor and the thermosensitive probes can be connected by utilizing the wiring mechanism to be matched with the winding mechanism, then the thermosensitive probes are pulled out to pull out the wires in the winding mechanism, and force is stored, so that the multiple thermosensitive probes are arranged at the designated positions correspondingly according to the actual situation, the operation mode is simplified, and the arrangement efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a temperature detection experiment module, in particular to a temperature detection experiment module based on a PLC controller, and belongs to the technical field of temperature detection. Background Art

[0002] Temperature detection experiment is one of the important practical teaching links in the teaching process of colleges and universities. It can not only help students understand and master relevant theoretical knowledge, but also cultivate students' hands-on ability and ability to solve practical problems through practical operations. Temperature detection experiment involves multiple disciplines, such as physics, chemistry, biology and engineering, etc. It can also be used to ensure the quality and reliability of products, study the physiological response of organisms, monitor industrial processes or develop advanced sensor technology.

[0003] Traditional temperature detection experiment modules are usually composed of various PLC controllers, temperature sensors, data loggers and analytical instruments, and the temperature sensor and PLC controller are usually separated. As a result, when performing experimental operations, it is usually necessary to wire the temperature sensor and the PLC controller separately. When multi-point temperature detection is required, multiple temperature sensors need to be arranged and wired according to the experimental requirements. The overall operation method is relatively complicated, and the layout efficiency is low, which is not convenient for recycling. Therefore, a temperature detection experiment module based on PLC controller is proposed. Utility Model Content

[0004] In view of this, the present invention hopes to provide a temperature detection experiment module based on a PLC controller to solve or alleviate the technical problems existing in the prior art, or at least provide a beneficial choice.

[0005] The technical solution of the embodiment of the utility model is implemented as follows: a temperature detection experiment module based on a PLC controller includes a module assembly and a plurality of winding mechanisms, wherein the module assembly includes an outer casing, a PLC controller body and a temperature sensor;

[0006] The PLC controller body is installed on one side of the inner wall of the outer casing, the temperature sensor is installed on one side of the PLC controller body, a plurality of winding mechanisms are installed on one side of the inner wall of the outer casing, a wiring mechanism is installed between the temperature sensors of the winding mechanisms, a plurality of thermal probes are slidably connected to one side of the outer casing, and the thermal probes are respectively connected to the plurality of winding mechanisms, and a locking control mechanism is installed in the middle of the inner wall of the outer casing;

[0007] Wherein, the reeling mechanism is used to reel in the wire connected to the thermistor;

[0008] Wherein, the wiring mechanism is used to cooperate with the winding mechanism to connect the temperature sensor and the thermistor;

[0009] The locking control mechanism is used to cooperate with the winding mechanism to control the length of the wire pulled out therefrom to prevent it from being automatically retracted.

[0010] Further preferably, the plurality of winding mechanisms each include a sleeve, a winding roller, three connecting wires, a winding spring and a ratchet;

[0011] Among them, one end of the sleeve is fixedly connected to the inner wall of the outer housing, the winding roller is rotatably connected to the inner wall of the sleeve, the three connecting wires are all wound around the outer wall of the winding roller, and one end of the three connecting wires is connected to one end of the thermistor.

[0012] Further preferably, one end of the winding spring is fixedly connected to one side of the winding roller, the other end of the winding spring is fixedly connected to one side of the inner wall of the sleeve, one end of the ratchet passes through the inner wall of the sleeve and is fixedly connected to the other side of the winding roller, and the outer wall of the ratchet is rotatably connected to the inner wall of the sleeve.

[0013] Further preferably, several of the wiring mechanisms each include three wiring pins, three conductive sheets and three conductive rings;

[0014] Among them, the three wiring pins are all installed on one side of the temperature sensor, the three conductive sheets are all fixedly connected to the inner wall of the sleeve, one end of the three wiring pins are respectively fixedly connected to the three conductive sheets, the three conductive rings are all fixedly connected to the inner wall of the winding roller, the inner walls of the three conductive sheets are rotatably connected to the outer wall of the winding roller, one end of the three conductive rings are respectively rotatably connected to one side of the inner wall of the three conductive sheets, and the ends of the three connecting wires away from the thermistor probe respectively penetrate the inner wall of the winding roller and are connected to the conductive rings.

[0015] Further preferably, the locking control mechanism includes a pressing cap, a central shaft, a connecting shaft, a sliding groove, a telescopic spring and a plurality of inner tooth plates;

[0016] Among them, the outer wall of the push cap is slidably connected to the inner wall of the outer housing, one end of the central axis is fixedly connected to the inside of the push cap, the connecting shaft is fixedly connected to the top of the inner wall of the outer housing, the sliding groove is opened at the top of the inner wall of the central axis, and the outer wall of the connecting shaft is slidably connected to the inner wall of the sliding groove.

[0017] Further preferably, one end of the telescopic spring is fixedly connected to one end of the connecting shaft, the other end of the telescopic spring is fixedly connected to the inner wall of the slide groove, several of the inner tooth plates are fixedly connected to the outer wall of the central axis, and the outer wall of the ratchet is meshingly connected with the inner wall of the inner tooth plate.

[0018] Further preferably, a card block is evenly and fixedly connected to one side of the outer casing, and a communication interface is provided on one side of the PLC controller body, and the communication interface extends to the outside of the outer casing.

[0019] Further preferably, an expansion board is evenly installed on the bottom of one side of the outer casing, and one end of the expansion board is connected to the PLC controller body.

[0020] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0021] 1. The utility model integrates the PLC controller body and the temperature sensor so that when conducting a temperature detection experiment, the PLC controller body and the temperature sensor can be used directly without separate wiring operations, and the temperature sensor and the thermistor can be connected by utilizing a wiring mechanism in conjunction with a winding mechanism, and then the wire in the winding mechanism can be pulled out by pulling the thermistor, and force can be accumulated, so that multiple thermistor probes can be arranged at designated positions according to actual conditions, thereby simplifying the operation method and improving the arrangement efficiency.

[0022] Second, the utility model unlocks the reeling mechanism by pressing the locking control mechanism, so that the deployed thermal probe can be recovered by utilizing the power-storing reeling mechanism, thereby changing and recovering the temperature detection experiment module.

[0023] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 It is a structural diagram of the utility model;

[0026] Figure 2It is a schematic cross-sectional structure diagram of the utility model from a first viewing angle;

[0027] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure of region A;

[0028] Figure 4 It is a cross-sectional structural schematic diagram of the utility model from a second viewing angle;

[0029] Figure 5 It is a schematic cross-sectional structure diagram of the temperature sensor and sleeve of the utility model.

[0030] Figure numerals: 1. module assembly; 2. winding mechanism; 3. wiring mechanism; 4. thermistor; 5. locking control mechanism; 101. outer casing; 102. PLC controller body; 103. temperature sensor; 201. sleeve; 202. winding roller; 203. connecting wire; 204. winding spring; 205. ratchet; 301. wiring pin; 302. conductive sheet; 303. conductive ring; 501. pressing cap; 502. center axis; 503. connecting axis; 504. slide groove; 505. telescopic spring; 506. inner tooth plate; 61. block; 62. expansion board; 63. communication interface. DETAILED DESCRIPTION

[0031] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0032] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0033] like Figure 1-5 As shown, the embodiment of the utility model provides a temperature detection experiment module based on a PLC controller, including a module component 1 and a plurality of winding mechanisms 2, wherein the module component 1 includes an outer casing 101, a PLC controller body 102 and a temperature sensor 103;

[0034] Among them, the PLC controller body 102 is installed on one side of the inner wall of the outer casing 101, the temperature sensor 103 is installed on one side of the PLC controller body 102, a plurality of winding mechanisms 2 are installed on one side of the inner wall of the outer casing 101, a wiring mechanism 3 is installed between the plurality of winding mechanisms 2 and the temperature sensor 103, a plurality of thermal probes 4 are slidably connected to one side of the outer casing 101, and the plurality of thermal probes 4 are respectively connected to the plurality of winding mechanisms 2, and a locking control mechanism 5 is installed in the middle of the inner wall of the outer casing 101;

[0035] The winding mechanism 2 is used to wind the wire connected to the thermal probe 4;

[0036] The connection mechanism 3 is used to cooperate with the winding mechanism 2 to connect the temperature sensor 103 and the thermal probe 4;

[0037] The locking control mechanism 5 is used to cooperate with the winding mechanism 2 to control the length of the wire pulled out therefrom to prevent it from being automatically retracted.

[0038] In one embodiment, the plurality of winding mechanisms 2 each include a sleeve 201, a winding roller 202, three connecting wires 203, a winding spring 204 and a ratchet 205;

[0039] Among them, one end of the sleeve 201 is fixedly connected to the inner wall of the outer housing 101, the winding roller 202 is rotatably connected to the inner wall of the sleeve 201, the three connecting wires 203 are all wound around the outer wall of the winding roller 202, one end of the three connecting wires 203 are all connected to one end of the thermal probe 4, one end of the winding spring 204 is fixedly connected to one side of the winding roller 202, the other end of the winding spring 204 is fixedly connected to one side of the inner wall of the sleeve 201, one end of the ratchet 205 penetrates the inner wall of the sleeve 201 and is fixedly connected to the other side of the winding roller 202, the outer wall of the ratchet 205 is rotatably connected to the inner wall of the sleeve 201, the connecting wire 203 is driven to be pulled out of the sleeve 201 by moving the thermal probe 4, and the connecting wire 203 is used to drive the winding roller 202 to rotate, the rotating winding roller 202 drives the winding spring 204 to twist, and drives the ratchet 205 to rotate.

[0040] In one embodiment, the plurality of connection mechanisms 3 each include three connection pins 301 , three conductive sheets 302 and three conductive rings 303 ;

[0041] Among them, the three wiring pins 301 are all installed on one side of the temperature sensor 103, the three conductive sheets 302 are all fixedly connected to the inner wall of the sleeve 201, one end of the three wiring pins 301 is fixedly connected to the three conductive sheets 302 respectively, the three conductive rings 303 are all fixedly connected to the inner wall of the winding roller 202, the inner walls of the three conductive sheets 302 are all rotatably connected to the outer wall of the winding roller 202, one end of the three conductive rings 303 is rotatably connected to one side of the inner wall of the three conductive sheets 302, one end of the three connecting wires 203 away from the thermal probe 4 respectively penetrates the inner wall of the winding roller 202 and is connected to the conductive ring 303, and the conductive ring 303 is driven to rotate in the conductive sheet 302 through the winding roller 202, so that the wiring pins 301, the conductive sheets 302, the conductive ring 303, the connecting wires 203 and the thermal probe 4 are always kept in a connected state.

[0042] In one embodiment, the locking control mechanism 5 includes a pressing cap 501, a central shaft 502, a connecting shaft 503, a slide slot 504, a telescopic spring 505 and a plurality of inner tooth plates 506;

[0043] Among them, the outer wall of the pressing cap 501 is slidably connected to the inner wall of the outer casing 101, one end of the central shaft 502 is fixedly connected to the inside of the pressing cap 501, the connecting shaft 503 is fixedly connected to the top of the inner wall of the outer casing 101, the sliding groove 504 is opened at the top of the inner wall of the central shaft 502, the outer wall of the connecting shaft 503 is slidably connected to the inner wall of the sliding groove 504, one end of the telescopic spring 505 is fixedly connected to one end of the connecting shaft 503, and the other end of the telescopic spring 505 is fixedly connected to the inner wall of the sliding groove 504, and several inner tooth plates 506 are fixedly connected to the outer wall of the central shaft 502, and the outer wall of the ratchet 205 is meshed with the inner wall of the inner tooth plate 506. By pressing the pressing cap 501, the central shaft 502 is driven to move, and the moving central shaft 502 drives the inner tooth plate 506 to separate from the ratchet 205, and drives the telescopic spring 505 to compress, so as to unlock the ratchet 205.

[0044] In one embodiment, a card block 61 is evenly and fixedly connected to one side of the outer casing 101, a communication interface 63 is provided on one side of the PLC controller body 102, and the communication interface 63 extends to the outside of the outer casing 101. An expansion board 62 is evenly installed on the bottom of one side of the outer casing 101, and one end of the expansion board 62 is connected to the PLC controller body 102. Through the expansion board 62, other functional modules or actuators are connected to the PLC controller body 102 by wires, so that the PLC controller body 102 can be used to obtain parameters of other functional modules or the control program can be executed according to the detection results through the PLC controller body 102, and the actuator can be controlled by its built-in relay.

[0045] When the utility model is in operation, the outer housing 101 is installed to a designated position by using the clamp block 61 , and then the PLC controller body 102 is wired using the communication interface 63 .

[0046] When a multi-point temperature detection experiment is required, the connecting wire 203 is driven to be pulled out of the sleeve 201 by moving the thermistor 4, and the connecting wire 203 is used to drive the winding roller 202 to rotate. The rotating winding roller 202 drives the winding spring 204 to twist, and drives the ratchet 205 to rotate. The rotating ratchet 205 squeezes the inner tooth plate 506 to drive the central axis 502 to move. The moving central axis 502 drives the telescopic spring 505 to squeeze the connecting shaft 503, so that the telescopic spring 505 is compressed. When the ratchet 205 is separated from the inner tooth plate 506, the compressed telescopic spring 505 uses the central axis 502 to drive the inner tooth plate 506 to reset, so as to prevent the winding roller 202 from rotating in the opposite direction when the connecting wire 203 is pulled out.

[0047] When the winding roller 202 rotates, the winding roller 202 drives the conductive ring 303 to rotate inside the conductive sheet 302, so that the connection pin 301, the conductive sheet 302, the conductive ring 303, the connecting wire 203 and the thermistor 4 are always connected.

[0048] After multiple thermistor probes 4 are arranged at designated positions according to actual conditions, the temperature data is detected by using the thermistor probes 4 in conjunction with the temperature sensor 103, and the detection results are fed back to the PLC controller body 102 for temperature detection experiments.

[0049] When it is necessary to expand the function of the temperature detection experimental block or to perform corresponding control according to the temperature detection result, other functional modules or actuators are connected to the PLC controller body 102 through the expansion board 62 using wires, so that the parameters of other functional modules can be obtained by using the PLC controller body 102, or the control program can be executed according to the detection result by the PLC controller body 102, and the actuator can be controlled by its built-in relay.

[0050] When the temperature detection experiment is completed, the central shaft 502 is driven to move by pressing the pressing cap 501, and the moving central shaft 502 drives the inner tooth plate 506 to separate from the ratchet 205, and drives the telescopic spring 505 to compress so as to unlock the ratchet 205, and then the twisted winding spring 204 is used to drive the winding roller 202 to rotate in the opposite direction, and then the winding roller 202 that rotates in the opposite direction is used to wind up the connecting wire 203 to reset the thermistor 4, so that the recovery operation can be completed quickly, simplifying the operation method.

[0051] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A temperature detection experimental module based on a PLC controller, comprising a module component (1) and a plurality of winding mechanisms (2), characterized in that: The module assembly (1) comprises an outer casing (101), a PLC controller body (102) and a temperature sensor (103); The PLC controller body (102) is installed on one side of the inner wall of the outer casing (101), the temperature sensor (103) is installed on one side of the PLC controller body (102), the plurality of winding mechanisms (2) are installed on one side of the inner wall of the outer casing (101), a wiring mechanism (3) is installed between the plurality of winding mechanisms (2) and the temperature sensor (103), a plurality of thermal probes (4) are slidably connected to one side of the outer casing (101), the plurality of thermal probes (4) are respectively connected to the plurality of winding mechanisms (2), and a locking control mechanism (5) is installed in the middle of the inner wall of the outer casing (101); The winding mechanism (2) is used to wind up the wire connected to the thermal probe (4); The wiring mechanism (3) is used to cooperate with the winding mechanism (2) to connect the temperature sensor (103) and the thermal probe (4); The locking control mechanism (5) is used to cooperate with the winding mechanism (2) to control the length of the wire pulled out therefrom, thereby preventing it from being automatically retracted.

2. The temperature detection experiment module based on PLC controller according to claim 1 is characterized in that: The plurality of winding mechanisms (2) each comprise a sleeve (201), a winding roller (202), three connecting wires (203), a winding spring (204) and a ratchet (205); One end of the sleeve (201) is fixedly connected to the inner wall of the outer housing (101), the winding roller (202) is rotatably connected to the inner wall of the sleeve (201), the three connecting wires (203) are all wound around the outer wall of the winding roller (202), and one end of the three connecting wires (203) is connected to one end of the thermal probe (4).

3. The temperature detection experiment module based on PLC controller according to claim 2 is characterized in that: One end of the winding spring (204) is fixedly connected to one side of the winding roller (202), and the other end of the winding spring (204) is fixedly connected to one side of the inner wall of the sleeve (201). One end of the ratchet (205) passes through the inner wall of the sleeve (201) and is fixedly connected to the other side of the winding roller (202). The outer wall of the ratchet (205) is rotatably connected to the inner wall of the sleeve (201).

4. The temperature detection experiment module based on PLC controller according to claim 2 is characterized in that: Several of the wiring mechanisms (3) each comprise three wiring pins (301), three conductive sheets (302) and three conductive rings (303); The three connection pins (301) are all installed on one side of the temperature sensor (103); the three conductive sheets (302) are all fixedly connected to the inner wall of the sleeve (201); one end of the three connection pins (301) is respectively fixedly connected to the three conductive sheets (302); the three conductive rings (303) are all fixedly connected to the inner wall of the winding roller (202); the inner walls of the three conductive sheets (302) are all rotatably connected to the outer wall of the winding roller (202); one end of the three conductive rings (303) is respectively rotatably connected to one side of the inner wall of the three conductive sheets (302); and one end of the three connecting wires (203) away from the thermal probe (4) respectively penetrates the inner wall of the winding roller (202) and is connected to the conductive ring (303).

5. The temperature detection experiment module based on PLC controller according to claim 2 is characterized in that: The locking control mechanism (5) comprises a pressing cap (501), a central shaft (502), a connecting shaft (503), a sliding groove (504), a telescopic spring (505) and a plurality of inner tooth plates (506); The outer wall of the pressing cap (501) is slidably connected to the inner wall of the outer housing (101), one end of the central axis (502) is fixedly connected to the inside of the pressing cap (501), the connecting axis (503) is fixedly connected to the top of the inner wall of the outer housing (101), the sliding groove (504) is opened at the top of the inner wall of the central axis (502), and the outer wall of the connecting axis (503) is slidably connected to the inner wall of the sliding groove (504).

6. The temperature detection experiment module based on PLC controller according to claim 5 is characterized in that: One end of the telescopic spring (505) is fixedly connected to one end of the connecting shaft (503), and the other end of the telescopic spring (505) is fixedly connected to the inner wall of the slide groove (504). A plurality of inner tooth plates (506) are fixedly connected to the outer wall of the central shaft (502), and the outer wall of the ratchet (205) is meshedly connected with the inner wall of the inner tooth plate (506).

7. The temperature detection experiment module based on PLC controller according to claim 1 is characterized in that: A card block (61) is evenly and fixedly connected to one side of the outer casing (101), and a communication interface (63) is provided on one side of the PLC controller body (102), wherein the communication interface (63) extends to the outside of the outer casing (101).

8. The temperature detection experiment module based on PLC controller according to claim 1 is characterized in that: An expansion board (62) is evenly installed on the bottom of one side of the outer casing (101), and one end of each expansion board (62) is connected to the PLC controller body (102).

Images