Integrated sensor terminal block

Abstract

The utility model discloses an integrated sensor terminal block, which comprises a PCB (printed circuit board), a plurality of sensor seats are fixedly mounted on the PCB at equal intervals along the length direction of the PCB, the top end of each sensor seat is provided with a plurality of plug-in ports, and sensor plugs are detachably inserted into the inner sides of the plug-in ports. The integrated sensor terminal block comprises a PCB, a plurality of sensor seats are arranged on the PCB at equal intervals in the length direction of the PCB, a plurality of sensor plugs are arranged on the sensor seats at equal intervals in the length direction of the PCB, a pressing arm is integrally formed on one side of each sensor plug, a clamping block is integrally connected to the side face, facing the corresponding insertion port, of each pressing arm, clamping holes are formed in the side walls, corresponding to the clamping blocks, of the insertion ports, and the clamping blocks can be matched with the clamping holes in a clamped mode. And each sensor seat is provided with a plurality of plugging ports, so that the integration level is greatly improved, a plurality of groups of sensors can be adapted at the same time, and the sensor plugs are clamped and matched with the clamping holes of the plugging ports through the clamping blocks of the pressing arms, so that quick disassembly and assembly can be realized without additional tools.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic technical field especially relates to an integrated sensor terminal table. BACKGROUND

[0002] The sensor terminal table in prior art generally has the problem of low integration, and is mostly designed as single sensor corresponding single connection port, which is difficult to simultaneously adapt to multiple groups of sensors, resulting in messy wiring and occupying large installation space; at the same time, the connection between the sensor and the terminal table mostly relies on bolt fixing or welding mode, which not only needs to use additional tools to complete the operation, but also has low dismounting efficiency, and is prone to bolt slippage, welding site damage and other conditions, seriously affecting the reusability of the terminal table and the sensor, and is difficult to meet the use demand of high efficiency and convenience of sensor connection in industrial scene.

[0003] Therefore, the technical personnel in the art provide an integrated sensor terminal table to solve the problems in the background art. SUMMARY

[0004] The utility model discloses a kind of integrated sensor terminal tables to solve the shortcomings in prior art.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] An integrated sensor terminal table, comprising a PCB board, a plurality of sensor seats are fixedly installed on the PCB board at equal intervals along the length direction thereof, a plurality of plug-in ports are formed at the top end of each sensor seat, a sensor plug is detachably inserted into the inner side of the plug-in port, a pressing arm is integrally formed on one side of the sensor plug, a clamping block is integrally connected to the side of the pressing arm facing the plug-in port, a clamping hole is formed in the side wall of the plug-in port corresponding to the clamping block, and the clamping block can be clamped and matched with the clamping hole to realize quick fixing and dismounting of the sensor plug and the plug-in port.

[0007] Preferably, the cross section of the clamping block is in the shape of a right triangle, one of the right angles is fixedly connected to the side wall of the pressing arm, the other right angle is located at the top end of the clamping block and is horizontally arranged, and the inclined surface of the clamping block faces downward.

[0008] Preferably, the top end of the side of the pressing arm away from the clamping block is connected to the side wall of the sensor plug through a chamfer structure, and a gap is left between the remaining part of the pressing arm and the side wall of the sensor plug for elastic deformation of the pressing arm.

[0009] Preferably, a conductive pin is integrally formed at the bottom of each plug-in port at the bottom end of the sensor seat, and the conductive pin is electrically connected to a preset pad on the PCB board through soldering.

[0010] Preferably, the connector is integrated on the PCB board, and the connector is electrically connected with the conductive pins of each sensor seat through the copper foil conductive circuit on the PCB board to realize the electrical signal collection of all sensor seats and the interface docking with external devices through the connector;

[0011] The connector is symmetrically and integrally provided with elastic buckles on two sides, and the elastic buckles can be clamped and matched with the clamping grooves of the interface of the external device.

[0012] Preferably, the PCB board is further provided with a power switch, a high-low level switching switch and a resistor respectively.

[0013] The power switch is electrically connected with the power supply main circuit of the PCB board through a wire to control the power supply on-off of the PCB board, the high-low level switching switch is electrically connected with the output circuit of the PCB board to switch the level type output by the PCB board to external devices, and the resistor is connected in series in each branch circuit of the PCB board.

[0014] Preferably, the PCB board is further provided with a power switch, a high-low level switching switch and a resistor respectively.

[0015] The PCB board is further provided with a power switch, a high-low level switching switch and a resistor respectively.

[0016] Compared with the prior art, the integrated sensor terminal table has the following beneficial effects:

[0017] The integrated sensor terminal table is provided with multiple sensor seats on the PCB board at equal intervals along the length direction, and multiple plug-in ports are formed in each sensor seat, so that the integration degree is greatly improved, multiple groups of sensors can be simultaneously adapted, wiring disorder is effectively avoided, and installation space occupation is reduced; the sensor plug is clamped and matched with the clamping hole of the plug-in port through the clamping block of the pressing arm, and quick disassembly and assembly can be realized without additional tools; meanwhile, the connector can collect signals and realize stable docking with external devices through the elastic buckles, the power switch, the high-low level switching switch and the resistor realize power supply control, multiple device adaptation and circuit protection respectively, the state indicating lamp and the total indicating lamp facilitate quick fault checking, and the whole meets the efficient, stable and convenient use requirements of industrial scenes. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more specifically and intuitively illustrate the technical solutions in the embodiments of the application or the prior art, the drawings needed in the embodiment or the prior art description will be briefly introduced below.

[0019] Figure 1 The integrated sensor terminal table structure schematic view of the utility model is shown.

[0020] Figure 2 The sensor seat installation structure schematic view provided by the utility model shows that

[0021] Figure 3 The sensor seat structure schematic view provided by the utility model shows that

[0022] Figure 4 The sensor plug structure schematic view provided by the utility model shows that

[0023] In the figure: 1, PCB board; 2, sensor seat; 3, plug-in port; 4, sensor plug; 5, pressing arm; 6, clamping block; 7, clamping hole; 8, connector; 9, power switch; 10, high-low level switching switch; 11, state indicator lamp; 12, total indicator lamp; 13, resistance. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] Referring to Figures 1-4 A kind of integrated sensor terminal table, including PCB board 1, multiple sensor seats 2 are fixedly installed on PCB board 1 along its length direction at equal intervals, multiple plug-in ports 3 are set in each sensor seat 2 top end, sensor plug 4 is detachably inserted in the inside of plug-in port 3, pressing arm 5 is integrally formed on one side of sensor plug 4, clamping block 6 is integrally connected to the side of pressing arm 5 towards plug-in port 3, clamping hole 7 is set in the side wall of plug-in port 3 corresponding clamping block 6, clamping block 6 can be connected with clamping hole 7, to realize the quick fixing and disassembly of sensor plug 4 and plug-in port 3.

[0026] Using the above technical scheme, by fixing and installing multiple sensor seats 2 on PCB board 1 along the length direction at equal intervals, not only the regular layout of sensor is realized, but also the target sensor can be quickly positioned during later maintenance and overhaul, and signal interference problem caused by dense or disordered installation of sensor can be avoided;Multiple plug-in ports 3 set in the top end of each sensor seat 2 can simultaneously adapt multiple sensor plugs 4, which greatly improves the integration degree of terminal table and the number of sensor connections;Pressing arm 5 integrally formed on one side of sensor plug 4 and clamping hole 7 on the side wall of plug-in port 3 are connected with clamping block 6, without the help of additional tools, the fixing and disassembly of sensor plug 4 can be completed, compared with traditional bolt connection or welding method, the operation efficiency is improved, at the same time, the clamping structure can be repeatedly used, avoiding problems such as bolt thread slipping and welding damage, which significantly prolongs the service life of terminal table and sensor plug 4.

[0027] The cross section of the clamping block 6 is in a right-angled triangle structure, one of the right-angled sides is fixedly connected with the side wall of the pressing arm 5, the other right-angled side is located at the top end of the clamping block 6 and is horizontally arranged, and the inclined surface of the clamping block 6 faces downward.

[0028] By adopting the above technical scheme, the clamping block 6 is in a right-angled triangle structure, when the sensor plug 4 is inserted, the inclined surface can reduce the insertion resistance, and it is easy to operate; after being clamped into the clamping hole 7, the horizontal right-angled side can prevent the plug from being non-humanly pulled out, so as to ensure stable connection and avoid signal interruption.

[0029] The side top end of the pressing arm 5 away from the clamping block 6 is connected with the side wall of the sensor plug 4 through a chamfer structure, and a gap for elastic deformation of the pressing arm 5 is left between the rest of the pressing arm 5 and the side wall of the sensor plug 4.

[0030] By adopting the above technical scheme, the chamfer connection between the pressing arm 5 and the side wall of the sensor plug 4 can disperse the pressing stress and avoid root fracture of the pressing arm 5; the reserved gap provides a deformation space for the pressing arm 5, so that the clamping block 6 can be quickly pressed and separated, the sensor plug 4 can be efficiently disassembled, and the components are not damaged.

[0031] The bottom end of the sensor seat 2 is integrally formed with a conductive pin corresponding to the bottom of each plug-in port 3, and the conductive pin is electrically connected to the preset pad on the PCB 1 through soldering.

[0032] By adopting the above technical scheme, the integrally formed conductive pin provided at the bottom end of the sensor seat 2 corresponding to each plug-in port 3 can ensure that the conductive path between each plug-in port 3 and the conductive pin is stable and has consistent impedance, thereby avoiding uneven contact resistance caused by wire connection.

[0033] The connector 8 is integrated on the PCB 1, and the connector 8 is electrically connected to the conductive pins of each sensor seat 2 through the copper foil conductive circuit on the PCB 1, so as to realize the collection of electrical signals of all sensor seats 2 and the butt joint with the interface of the external device through the connector 8.

[0034] The connector 8 is integrally provided with elastic buckles on both sides, and the elastic buckles can be tightly matched with the clamping grooves of the interface of the external device.

[0035] By adopting the above technical scheme, the connector 8 integrated on the PCB 1 has the core function of realizing the butt joint between the terminal table and the external device: on the one hand, it can collect the signals of all sensor seats 2 and transmit them to the external device, thereby avoiding the disorder caused by separate wiring of multiple sensors; on the other hand, the symmetrical elastic buckles on both sides of the connector 8 can be tightly matched with the clamping grooves of the interface of the external device, so as to resist the influence of external forces such as vibration, prevent the connector 8 from loosening with the interface of the external device, ensure long-term stable connection between the two, and avoid signal interruption or equipment downtime caused by loose connection.

[0036] The PCB 1 is also provided with a power switch 9, a high-low level switching switch 10 and a discharge resistor 13.

[0037] The power switch 9 is electrically connected with the power supply main circuit of the PCB 1 through a wire, and is used for controlling the power supply on-off of the PCB 1.

[0038] With the above technical scheme, the power switch 9 integrated on the PCB 1 directly controls the power supply main circuit on-off, and the operator can quickly realize the overall power-on or power-off of the terminal table through a single switch without plugging in or unplugging the power line; the high-low level switching switch 10 can flexibly switch the level type (high level / low level) output by the PCB 1 according to the level requirement of the external device, so that the terminal table can adapt to different models and different level standards of external devices without replacing hardware, greatly improving the versatility and compatibility of the terminal table and reducing the cost of replacing accessories due to equipment mismatch; the discharge resistor 13 connected in each branch circuit can accurately limit the current of each branch, prevent the branch current from being too large due to sensor short circuit or external voltage fluctuation, and avoid the burning of sensors and electronic elements on the PCB 1, thereby providing reliable protection for the circuit safety of the terminal table.

[0039] The PCB 1 is also provided with a power switch 9, a high-low level switching switch 10 and a discharge resistor 13.

[0040] The PCB 1 is also provided with a power switch 9, a high-low level switching switch 10 and a discharge resistor 13.

[0041] With the above technical scheme, the power switch 9 integrated on the PCB 1 directly controls the power supply main circuit on-off, and the operator can quickly realize the overall power-on or power-off of the terminal table through a single switch without plugging in or unplugging the power line; the high-low level switching switch 10 can flexibly switch the level type (high level / low level) output by the PCB 1 according to the level requirement of the external device, so that the terminal table can adapt to different models and different level standards of external devices without replacing hardware, greatly improving the versatility and compatibility of the terminal table and reducing the cost of replacing accessories due to equipment mismatch; the discharge resistor 13 connected in each branch circuit can accurately limit the current of each branch, prevent the branch current from being too large due to sensor short circuit or external voltage fluctuation, and avoid the burning of sensors and electronic elements on the PCB 1, thereby providing reliable protection for the circuit safety of the terminal table.

[0042] Working principle:

[0043] The power supply of the PCB 1 is controlled by the power switch 9, the sensor plug 4 is fixedly connected with the clamping hole 7 of the sensor seat 2 through the clamping block 6 of the pressing arm 5, the sensor signal is transmitted to the PCB 1 through the conductive pin of the sensor seat 2, and then the signal is connected to external equipment through the connector 8; the high-low level switching switch 10 is adapted to the level requirement of external equipment, the resistance 13 stabilizes the branch current, the state indicating lamp 11 and the total indicating lamp 12 display the on-off state of the plug-in port and the overall power supply state respectively, realizing the integrated connection of the sensor, the stable transmission of the signal and the visual monitoring of the state.

[0044] The above is only the preferred specific implementation mode of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An integrated sensor terminal block comprising a PCB board (1), characterized in that, A plurality of sensor seats (2) are fixedly installed on the PCB board (1) at equal intervals along the length direction thereof, a plurality of plug-in ports (3) are formed at the top end of each sensor seat (2), a sensor plug (4) is detachably inserted into the plug-in port (3), a pressing arm (5) is integrally formed on one side of the sensor plug (4), a clamping block (6) is integrally connected to the side of the pressing arm (5) facing the plug-in port (3), a clamping hole (7) is formed in the side wall of the plug-in port (3) corresponding to the clamping block (6), and the clamping block (6) is clamped with the clamping hole (7) to quickly fix and detach the sensor plug (4) from the plug-in port (3).

2. An integrated sensor terminal block according to claim 1, wherein, The clamping block (6) is in a right triangle structure, one of the right angle sides is fixedly connected with the side wall of the pressing arm (5), the other right angle side is horizontally arranged at the top end of the clamping block (6), and the inclined surface of the clamping block (6) faces downward.

3. An integrated sensor terminal block according to claim 1, wherein, The top end of the side of the pressing arm (5) away from the clamping block (6) is connected with the side wall of the sensor plug (4) through a chamfer structure, and a gap is left between the remaining part of the pressing arm (5) and the side wall of the sensor plug (4) for elastic deformation of the pressing arm (5).

4. The integrated sensor terminal block of claim 1, wherein, A conductive pin is integrally formed at the bottom of each plug-in port (3) of the sensor seat (2), and the conductive pin is electrically connected with a preset pad on the PCB board (1) through soldering.

5. The integrated sensor terminal block of claim 1, wherein, A connector (8) is integrally installed on the PCB board (1), the connector (8) is electrically connected with the conductive pins of each sensor seat (2) through the copper foil conductive circuit on the PCB board (1) to collect the electrical signals of all the sensor seats (2), and the connector (8) is connected with the interface of an external device; Elastic buckles are symmetrically and integrally arranged on the two sides of the connector (8), and the elastic buckles are clamped with the clamping grooves of the interface of the external device.

6. The integrated sensor terminal block of claim 1, wherein, A power switch (9), a high-low level switching switch (10) and a resistor (13) are also integrally arranged on the PCB board (1). The power switch (9) is electrically connected with the power supply main circuit of the PCB board (1) through a wire to control the power supply on-off of the PCB board (1), the high-low level switching switch (10) is electrically connected with the output circuit of the PCB board (1) to switch the level type of the output of the PCB board (1) to an external device, and the resistor (13) is connected in series in each branch circuit of the PCB board (1).

7. The integrated sensor terminal block of claim 1, wherein, A state indicating lamp (11) is arranged corresponding to each plug-in port (3) of each sensor seat (2) on the PCB board (1), and the state indicating lamp (11) is electrically connected with the conductive pin of the corresponding plug-in port (3) through a wire. A total indicating lamp (12) is also integrally arranged at one corner of the top end of the PCB board (1), and the total indicating lamp (12) is electrically connected with the power supply main circuit of the PCB board (1).

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