OPS module plug-in detection device and electronic equipment

Abstract

The present invention discloses an OPS module plug-in detection device and an electronic device, including an OPS detection board and a single-chip microcomputer; the OPS detection board is provided with a first conductive sheet, a second conductive sheet and a photoelectric coupling module; the first conductive sheet is provided with a first hole for inserting a first conductive screw; the second conductive sheet is provided with a second hole for inserting a second conductive screw; the first conductive sheet is grounded; the second conductive sheet is suspended and connected to the input end of the photoelectric coupling module, and the output end of the photoelectric coupling module is connected to the single-chip microcomputer; when the fastening screw of the OPS module is locked, the fastening screw abuts against the first conductive screw, and the first conductive screw moves forward to abut against the second conductive screw; when the fastening screw of the OPS module is loosened, the fastening screw does not abut against the first conductive screw, and the first conductive screw does not contact the second conductive screw. The present invention can detect the plug-in state of the OPS module and realize the protection of the OPS module.

Description

Technical Field

[0001] The present invention relates to the technical field of OPS modules, and in particular to an OPS module plugging and unplugging detection device and electronic equipment. Background Art

[0002] Traditional all-in-one computers, electronic whiteboards, digital signage and other products are installed on the back of the display screen using DIY computer accessories or MINIITX motherboards and other accessories. The internal wiring of such products is complicated and the structure is loose. It is very easy to have poor contact or looseness during transportation or use. Once a problem occurs, the entire display screen must be disassembled for inspection. If there is no professional on-site, it is inconvenient for the customer to repair and replace it. In this case, the customer can only pack the entire LCD screen and send it back to the manufacturer or the manufacturer arranges professional technicians to handle it on-site. No matter which method is used, the cost is very high. The new OPS open plug-in computer specification makes the computer part into a modular standard product, integrates the motherboard, memory, hard disk, WIFI and power supply, etc. with a standard size shell and uses a standard 80PIN JAE interface to connect with the OPS interface in the LCD screen. Through the pull-out design, the PC part of the computer and the LCD all-in-one can be easily and quickly separated, which is very convenient for repairing, replacing, upgrading and replacing computer components. Customers can also disassemble and assemble the OPS computer part without professional knowledge. The OPS computer is very small (the international standard size is 180*119*30mm, and the domestic standard size is 180.8*195.2*42.5mm). Even if there are defective products, customers can easily send the products back to the manufacturer for repair and replacement by express delivery, which greatly reduces logistics and labor costs. For the above reasons, the application of OPS is becoming more and more extensive. However, it is easy to cause misoperation or damage to the OPS module when the OPS module is plugged in or unplugged without powering off. Therefore, it is necessary to detect the plug-in status of the OPS module. Summary of the invention

[0003] The purpose of the present invention is to overcome the deficiencies of the prior art and to provide an OPS module plugging and unplugging detection device and an electronic device, which can detect the plugging and unplugging status of the OPS module and protect the OPS module.

[0004] The present invention adopts the following technical solution:

[0005] On the one hand, the present invention provides an OPS module plug-in detection device, comprising an OPS detection board and a single-chip microcomputer; the OPS detection board is provided with a first conductive sheet, a second conductive sheet and a photoelectric coupling module; the first conductive sheet is provided with a first hole for inserting a first conductive screw; the second conductive sheet is provided with a second hole for inserting a second conductive screw; the first conductive sheet is grounded; the second conductive sheet is suspended and connected to the input end of the photoelectric coupling module, and the output end of the photoelectric coupling module is connected to the single-chip microcomputer; when the fastening screw of the OPS module is locked, the fastening screw abuts against the first conductive screw, the first conductive screw moves forward to abut against the second conductive screw, the photoelectric coupling module outputs a first level signal to the single-chip microcomputer, and the single-chip microcomputer determines that the OPS module is in a locked state according to the first level signal; when the fastening screw of the OPS module is loosened, the fastening screw does not abut against the first conductive screw, the first conductive screw does not contact the second conductive screw, the photoelectric coupling module outputs a second level signal to the single-chip microcomputer, and the single-chip microcomputer determines that the OPS module is in a ready-to-plug state according to the second level signal.

[0006] Preferably, the OPS module includes two fastening screws; and the OPS detection board includes two pieces.

[0007] Preferably, when the two fastening screws are locked, the single-chip computer determines that the OPS module is in a locked state, and when one of the fastening screws is loose, the single-chip computer determines that the OPS module is in a state to be plugged in or out; or, when one of the fastening screws is locked, the single-chip computer determines that the OPS module is in a locked state, and when both fastening screws are loose, the single-chip computer determines that the OPS module is in a state to be plugged in or out.

[0008] Preferably, the first conductive screw and the second conductive screw are both elastic screws, including a screw head, a screw rod and an elastic member; the elastic member is arranged on the outer ring of the screw rod; when the fastening screw of the OPS module is tightened, the fastening screw abuts against the screw head of the first conductive screw, the elastic member of the first conductive screw contracts, and the screw rod of the first conductive screw passes through the first hole to abut against the screw head of the second conductive screw; when the fastening screw of the OPS module is loosened, the fastening screw does not abut against the screw head of the first conductive screw, the elastic member of the first conductive screw extends, and the screw rod of the first conductive screw does not contact the screw head of the second conductive screw.

[0009] Preferably, the first conductive sheet is an L-shaped conductive sheet; and the second conductive sheet is an L-shaped conductive sheet.

[0010] Preferably, the photoelectric coupling module includes a photoelectric coupler; the photoelectric coupler includes a light-emitting diode and a phototransistor; the cathode of the light-emitting diode is connected to the second conductive sheet, and the collector of the phototransistor is connected to the single-chip computer; the collector of the phototransistor is also connected to a DC power supply through a first resistor; and the emitter of the phototransistor is grounded.

[0011] Preferably, the photoelectric coupling module also includes a second resistor and a third resistor; the anode of the light-emitting diode is connected to the DC power supply through the second resistor; and the cathode of the light-emitting diode is connected to the collector of the phototransistor through the third resistor.

[0012] Preferably, the OPS detection board is also provided with a socket including three holes; the second socket of the socket is connected to the photoelectric coupling module and the single-chip microcomputer; and the third socket of the socket is grounded.

[0013] Preferably, the OPS module plugging and unplugging detection device further includes a first capacitor and a second capacitor; and the first jack of the socket is grounded via the first capacitor and the second capacitor connected in parallel.

[0014] On the other hand, the present invention provides an electronic device, comprising the OPS module plugging and unplugging detection device and an OPS module.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] (1) The present invention is based on an OPS detection board (including a first conductive screw, a second conductive screw and a photoelectric coupling module) and a single-chip microcomputer; when the fastening screw of the OPS module is locked, the fastening screw abuts against the first conductive screw, the first conductive screw moves forward and abuts against the second conductive screw, the photoelectric coupling module outputs a first level signal to the single-chip microcomputer, the single-chip microcomputer determines that the OPS module is in a locked state according to the first level signal, prompts the OPS module to be turned on or controls the OPS module to be turned on; when the fastening screw of the OPS module is loosened, the fastening screw does not abut against the first conductive screw, the first conductive screw does not contact the second conductive screw, the photoelectric coupling module outputs a second level signal to the single-chip microcomputer, the single-chip microcomputer determines that the OPS module may be plugged in or out according to the second level signal, prompts the OPS module to be shut down or controls the OPS module to be shut down, so as to protect the OPS module and prevent the OPS module from being damaged by hot plugging.

[0017] (2) The OPS detection board of the present invention includes two, which can detect the two fastening screws of the OPS module, and make a judgment based on the status of the two fastening screws, so that the detection is more accurate.

[0018] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention so that it can be implemented in accordance with the contents of the specification, and in order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are listed below.

[0019] Based on the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will become more aware of the above and other objects, advantages and features of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The structure of the OPS detection plate of the present invention is shown in FIG. Figure 1 (the first conductive screw and the second conductive screw do not contact);

[0021] Figure 2 The structure of the OPS detection plate of the present invention is shown in FIG. Figure 2 (the first conductive screw is in contact with the second conductive screw);

[0022] Figure 3 It is a schematic structural diagram of the first conductive screw / the second conductive screw of the present invention;

[0023] Figure 4 It is a circuit structure diagram of the present invention. DETAILED DESCRIPTION

[0024] To make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0025] See also Figures 1 to 4As shown, on the one hand, the present invention provides an OPS module plug-in detection device, including an OPS detection board 1 and a single-chip computer 2; the OPS detection board 1 is provided with a first conductive sheet 10, a second conductive sheet 12 and a photoelectric coupling module 14; the first conductive sheet 10 is provided with a first hole for inserting a first conductive screw 11; the second conductive sheet 12 is provided with a second hole for inserting a second conductive screw 13; the first conductive sheet 10 is grounded; the second conductive sheet 12 is suspended and connected to the input end of the photoelectric coupling module 14, and the output end of the photoelectric coupling module 14 is connected to the single-chip computer 2; when the fastening screws of the OPS module are tightened, the The fastening screw presses against the first conductive screw 11, and the first conductive screw 11 moves forward to press against the second conductive screw 13, and the photoelectric coupling module 14 outputs a first level signal to the single-chip computer 2, and the single-chip computer 2 determines that the OPS module is in a locked state according to the first level signal; when the fastening screw of the OPS module is loosened, the fastening screw does not press against the first conductive screw 11, and the first conductive screw 11 does not contact the second conductive screw 13, and the photoelectric coupling module 14 outputs a second level signal to the single-chip computer 2, and the single-chip computer 2 determines that the OPS module is in a ready-to-plug state according to the second level signal.

[0026] Specifically, when the single-chip microcomputer 2 determines that the OPS module is in a locked state according to the first level signal, it determines that the OPS module can be turned on. On the one hand, the single-chip microcomputer 2 can play through the voice module and be turned on manually; on the other hand, the single-chip microcomputer 2 can also communicate with the OPS module to control the OPS module to turn on. When the single-chip microcomputer 2 determines that the OPS module is in a ready-to-plug state according to the second level signal, on the one hand, the single-chip microcomputer 2 can play through the voice module and be turned off manually; on the other hand, the single-chip microcomputer 2 can also communicate with the OPS module to control the OPS module to turn off. Thereby, hot plugging can be prevented and the inclusion of the OPS module can be achieved.

[0027] Furthermore, since the OPS module includes two fastening screws, the OPS detection board 1 includes two pieces. Each OPS detection board 1 detects one fastening screw. Each OPS detection board 1 is connected to an I / O interface of the single-chip microcomputer 2, and the single-chip microcomputer 2 makes a judgment based on the level signals of the two I / O interfaces.

[0028] Specifically, in one embodiment, when both of the fastening screws are locked, the single-chip microcomputer 2 determines that the OPS module is in a locked state; when one of the fastening screws is loose, the single-chip microcomputer 2 determines that the OPS module is in a state to be plugged in and out, and the single-chip microcomputer 2 performs voice prompts, power on or off according to the state of the OPS module. In another embodiment, when one of the fastening screws is locked, the single-chip microcomputer 2 determines that the OPS module is in a locked state; when both of the fastening screws are loose, the single-chip microcomputer 2 determines that the OPS module is in a state to be plugged in and out, and the single-chip microcomputer 2 performs voice prompts, power on or off according to the state of the OPS module.

[0029] Furthermore, the first conductive screw 11 and the second conductive screw 13 are both elastic screws, including a screw head 111, a screw rod 113 and an elastic member 112 (the elastic member 112 is a retractable element, such as a spring, etc.); the elastic member 112 is arranged on the outer ring of the screw rod 113; when the fastening screw of the OPS module is tightened, the fastening screw presses against the screw head 111 of the first conductive screw 11, the elastic member 112 of the first conductive screw 11 contracts, and the screw rod 113 of the first conductive screw 11 passes through the first hole and presses against the screw head 111 of the second conductive screw 13; when the fastening screw of the OPS module is loosened, the fastening screw does not press against the screw head 111 of the first conductive screw 11, the elastic member 112 of the first conductive screw 11 extends, and the screw rod 113 of the first conductive screw 11 does not contact the screw head 111 of the second conductive screw 13.

[0030] Specifically, the first conductive sheet 10 is an L-shaped conductive sheet; the second conductive sheet 12 is an L-shaped conductive sheet. One end of the L-shaped conductive sheet is fixed on the OPS detection board 1, and the other end of the L-shaped conductive sheet is for the first conductive screw 11 / the second conductive screw 13 to be inserted.

[0031] Furthermore, the photoelectric coupling module 14 includes a photoelectric coupler NM01; the photoelectric coupler NM01 includes a light-emitting diode and a phototransistor; the cathode of the light-emitting diode is connected to the second conductive sheet 12, and the collector of the phototransistor is connected to the single-chip computer 2; the collector of the phototransistor is also connected to a DC power supply 3.3V through a first resistor RM01; the emitter of the phototransistor is grounded.

[0032] Specifically, the photoelectric coupling module 14 also includes a second resistor RM02 and a third resistor RM03; the anode of the light-emitting diode is connected to the DC power supply 3.3V through the second resistor RM02; the cathode of the light-emitting diode is connected to the collector of the phototransistor through the third resistor RM03.

[0033] Furthermore, the OPS detection board 1 is also provided with a socket 15 including three holes; the second socket ② of the socket 15 is connected to the photoelectric coupling module 14 and the single-chip computer 2; the third socket ③ of the socket 15 is grounded.

[0034] Specifically, the OPS module plugging and unplugging detection device further includes a first capacitor CM01 and a second capacitor CM02; the first jack ① of the socket 15 is grounded through the first capacitor CM01 and the second capacitor CM02 connected in parallel.

[0035] In this embodiment, the OPS module plug-in detection device uses the I / O port of the single-chip computer 2 to judge the high and low levels. When the fastening screw of the OPS module is locked, the first conductive screw 11 contacts the second conductive screw 13, so that the light-emitting diode connected to the second conductive screw (the second conductive sheet 12) is grounded, thereby forming a loop, triggering the light-emitting diode to emit light, and then the phototransistor outputs a low level. When the I / O port of the single-chip computer 2 detects a low level, it is determined that the OPS module is in a locked state and performs a corresponding power-on action; when the OPS module is locked, the first conductive screw 11 contacts the second conductive screw 13, so that the light-emitting diode connected to the second conductive screw (the second conductive sheet 12) is grounded, thereby forming a circuit. A loop is formed, triggering the light-emitting diode to emit light, and then the phototransistor outputs a low level. When the I / O port of the single-chip microcomputer 2 detects a low level, it is determined that the OPS module is in a locked state, and the corresponding power-on action is executed; when the fastening screws of the OPS module are loose, the first conductive screw 11 and the second conductive screw 13 are not in contact, and the light-emitting diode connected to the second conductive screw (second conductive sheet 12) is suspended, the light-emitting diode does not emit light, and then the output end of the phototransistor is pulled up to a high level. When the I / O port of the single-chip microcomputer 2 detects a high level, it is determined that the OPS module is in a ready-to-plug state, and the corresponding shutdown action is executed.

[0036] On the other hand, the present invention provides an electronic device, comprising the OPS module plugging and unplugging detection device and an OPS module.

[0037] The above is only a specific implementation of the present invention, but the design concept of the present invention is not limited thereto. Any non-substantial changes to the present invention using this concept shall be deemed as an infringement of the protection scope of the present invention.

Claims

1. An OPS module plug-in and pull-out detection device, characterized in that: It comprises an OPS detection board and a single-chip microcomputer; the OPS detection board is provided with a first conductive sheet, a second conductive sheet and a photoelectric coupling module; the first conductive sheet is provided with a first hole for inserting a first conductive screw; the second conductive sheet is provided with a second hole for inserting a second conductive screw; the first conductive sheet is grounded; the second conductive sheet is suspended and connected to the input end of the photoelectric coupling module, and the output end of the photoelectric coupling module is connected to the single-chip microcomputer; when the fastening screw of the OPS module is locked, the fastening screw abuts against the first conductive screw, the first conductive screw moves forward to abut against the second conductive screw, the photoelectric coupling module outputs a first level signal to the single-chip microcomputer, and the single-chip microcomputer determines that the OPS module is in a locked state according to the first level signal; when the fastening screw of the OPS module is loosened, the fastening screw does not abut against the first conductive screw, the first conductive screw does not contact the second conductive screw, the photoelectric coupling module outputs a second level signal to the single-chip microcomputer, and the single-chip microcomputer determines that the OPS module is in a ready-to-plug state according to the second level signal.

2. The OPS module plug-in detection device according to claim 1, characterized in that: The OPS module has two fastening screws; the OPS detection board has two pieces.

3. The OPS module plug-in detection device according to claim 2, characterized in that: When both of the fastening screws are locked, the single-chip microcomputer determines that the OPS module is in a locked state; when one of the fastening screws is loose, the single-chip microcomputer determines that the OPS module is in a state to be plugged in or out; or, when one of the fastening screws is locked, the single-chip microcomputer determines that the OPS module is in a locked state; when both of the fastening screws are loose, the single-chip microcomputer determines that the OPS module is in a state to be plugged in or out.

4. The OPS module plug-in detection device according to claim 1, characterized in that: The first conductive screw and the second conductive screw are both elastic screws, including a screw head, a screw rod and an elastic member; the elastic member is arranged on the outer ring of the screw rod; when the fastening screw of the OPS module is locked, the fastening screw abuts against the screw head of the first conductive screw, the elastic member of the first conductive screw contracts, and the screw rod of the first conductive screw passes through the first hole and abuts against the screw head of the second conductive screw; when the fastening screw of the OPS module is loosened, the fastening screw does not abut against the screw head of the first conductive screw, the elastic member of the first conductive screw extends out, and the screw rod of the first conductive screw does not contact the screw head of the second conductive screw.

5. The OPS module plug-in and pull-out detection device according to claim 1, characterized in that: The first conductive sheet is an L-shaped conductive sheet; the second conductive sheet is an L-shaped conductive sheet.

6. The OPS module plug-in and pull-out detection device according to claim 1, characterized in that: The photoelectric coupling module includes a photoelectric coupler; the photoelectric coupler includes a light-emitting diode and a phototransistor; the cathode of the light-emitting diode is connected to the second conductive sheet, and the collector of the phototransistor is connected to the single-chip computer; the collector of the phototransistor is also connected to a DC power supply through a first resistor; and the emitter of the phototransistor is grounded.

7. The OPS module plugging and unplugging detection device according to claim 6, characterized in that: The photoelectric coupling module also includes a second resistor and a third resistor; the anode of the light-emitting diode is connected to the DC power supply through the second resistor; and the cathode of the light-emitting diode is connected to the collector of the phototransistor through the third resistor.

8. The OPS module plugging and unplugging detection device according to claim 6, characterized in that: The OPS detection board is also provided with a socket including three holes; the second socket of the socket is connected to the photoelectric coupling module and the single chip microcomputer; the third socket of the socket is grounded.

9. The OPS module plugging and unplugging detection device according to claim 8, characterized in that: The OPS module plug-in and pull-out detection device also includes a first capacitor and a second capacitor; the first jack of the socket is grounded through the first capacitor and the second capacitor connected in parallel.

10. An electronic device, characterized in that: It comprises an OPS module plugging and unplugging detection device and an OPS module as described in any one of claims 1 to 9.

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