CN218383240U - Anti-dismantling structure of electronic equipment - Google Patents

Abstract

The utility model discloses an electronic equipment prevents tearing open structure specifically includes: the structure comprises a structure shell, a crimping piece, a crimped piece and a disassembly detection circuit, wherein the crimping piece, the crimped piece and the disassembly detection circuit are all arranged in the structure shell, the crimping piece is used for controlling the connection state of the crimped piece and the disassembly detection circuit, and the disassembly detection circuit is used for controlling the power-on state of an electronic device according to the connection state of the crimped piece and the disassembly detection circuit. The utility model discloses an electronic equipment prevent tearing open structure is through setting up the crimping piece in structural shell, can detect whether electronic equipment's structural shell is dismantled to the condition of pressing by the crimping piece through the crimping piece to control electronic equipment's on state realizes preventing tearing open the protection to electronic equipment, and then avoids irrelevant personnel's maloperation or mistake to demolish and lead to the problem that equipment became invalid, the utility model discloses a prevent tearing open simple structure, the cost is lower, and easy to maintain.

Description

Anti-dismantling structure of electronic equipment

Technical Field

The utility model relates to an on-vehicle equipment technical field, in particular to electronic equipment prevents tearing open structure.

Background

Some electronic equipment such as vehicle-mounted equipment occasionally can cause equipment damage and can not normally work because of constructor's maloperation or non professional's maintenance in the in-service use in the in-process, and some producers often will optimize oneself product form after studying to the competitive products equipment and form bigger competitiveness. Therefore, in order to avoid such a situation, it is often necessary to design a tamper circuit or a tamper detection structure in the device.

Generally use thinner copper line among the current electronic equipment to realize preventing tearing open the detection through being connected with structural shell, when structural shell was unpacked apart, the copper line can be because the reason that links together with structural shell is torn apart to lead to the detection circuitry disconnection, and then lead to equipment outage or warning etc..

However, when the above-mentioned structure that uses copper line connection circuit board comes check out test set's dismantlement state, can cause the damage to the circuit board easily because of dragging the copper line when dismantling to the in-process that installs at equipment needs artifical manual configuration to the copper line just can realize, has greatly increased the manual operation degree of difficulty, and is difficult for maintaining.

SUMMERY OF THE UTILITY MODEL

In view of the problem that the anti-dismantling structure of the electronic device in the prior art is complex and is not easy to maintain, the utility model discloses an anti-dismantling structure of the electronic device is provided so as to overcome at least the above-mentioned problem.

In order to realize the purpose, the utility model adopts the following technical scheme:

the foundation the utility model discloses an aspect provides an electronic equipment prevents tearing open structure, wherein, electronic equipment prevents tearing open structure includes: the structure comprises a structure shell, a crimping piece, a crimped piece and a disassembly detection circuit, wherein the crimping piece, the crimped piece and the disassembly detection circuit are all arranged in the structure shell, the crimping piece is used for controlling the connection state of the crimped piece and the disassembly detection circuit, and the disassembly detection circuit is used for controlling the power-on state of an electronic device according to the connection state of the crimped piece and the disassembly detection circuit.

Optionally, the crimping member is integrally formed or fixedly connected with the structural shell.

Optionally, the crimping member is disposed opposite to the crimped member for crimping the crimped member to the circuit board.

Optionally, the structural shell includes two side shells, and the crimping piece, the crimped piece and the detachment detection circuit are disposed on the same side of the two side shells.

Optionally, the detachment prevention structure of the electronic device further includes a main processor, and the main processor is disposed in the structural housing and connected to the detachment detection circuit.

Alternatively, the connection state of the crimped piece to the detachment detection circuit includes connection and disconnection, and the power-on state of the electronic device includes power-on and power-off, and the detachment detection circuit is configured to control power-on of the electronic device by the main processor when the crimped piece is connected to the detachment detection circuit, and configured to power-off the electronic device when the crimped piece is disconnected from the detachment detection circuit.

Optionally, the detachment prevention structure of the electronic device further includes a circuit board disposed in the structural shell, and the crimped piece and the detachment detection circuit are both disposed on the circuit board.

Optionally, the pressed part is a spring plate, one end of the spring plate is fixedly arranged on the circuit board and connected with one end of the detachment detection circuit, and the other end of the spring plate is pressed onto the circuit board through the pressing part and connected with the other end of the detachment detection circuit.

Optionally, the crimped piece is a push switch.

Optionally, the crimping piece is a probe, and the probe is made of an insulating material.

To sum up, the beneficial effects of the utility model are that:

the utility model discloses an electronic equipment prevent tearing open structure, include: the structure shell, the crimping piece, by the crimping piece and dismantle detection circuitry and all set up in the structure shell, the crimping piece is used for controlling by the crimping piece with dismantle detection circuitry's connected state, dismantle detection circuitry is used for according to by the crimping piece with dismantle detection circuitry's connected state control electronic equipment's circular telegram state. The utility model discloses an electronic equipment prevent tearing open structure is through setting up the crimping piece in structural shell, can detect whether electronic equipment's structural shell is dismantled to the condition of pressing by the crimping piece through the crimping piece to control electronic equipment's on state realizes preventing tearing open the protection to electronic equipment, and then avoids irrelevant personnel's maloperation or mistake to demolish and lead to the problem that equipment became invalid, the utility model discloses a prevent tearing open simple structure, the cost is lower, and easy to maintain.

Drawings

Fig. 1 shows an overall structure diagram of an anti-detachment structure of an electronic device in the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

The utility model discloses an electronic equipment prevent tearing open structure, include: the structure comprises a structure shell, a crimping piece, a crimped piece and a disassembly detection circuit, wherein the crimping piece, the crimped piece and the disassembly detection circuit are all arranged in the structure shell, the crimping piece is used for controlling the connection state of the crimped piece and the disassembly detection circuit, and the disassembly detection circuit is used for controlling the power-on state of an electronic device according to the connection state of the crimped piece and the disassembly detection circuit.

The utility model discloses an electronic equipment prevent tearing open structure mainly includes structure shell, crimping piece, by the crimping piece with dismantle the detection circuitry four bibliographic categories branch, the structure shell bears the outside carrier of each function device among the whole electronic equipment, the crimping piece, by the crimping piece with dismantle detection circuitry and all set up in the structure shell, the utility model discloses an electronic equipment prevent tearing open structure mainly used detect electronic equipment's structure shell whether by the dismantlement.

The crimping piece and the pressed piece are two structures which are matched, the crimping piece can be any structure which can realize functions of extruding, pressing or pressing down the pressed piece, the function of the crimping piece is to control the connection state between the pressed piece and the disassembly detection circuit, and then whether the structural shell of the electronic equipment is disassembled or not can be judged through the communication condition of the disassembly detection circuit. The disassembly detection circuit is used for controlling the power-on and power-off of the electronic equipment according to the connection state of the pressed part and the disassembly detection circuit, so that the disassembly prevention protection of the electronic equipment is realized. The circuit structure of the detachment detection circuit can be realized by referring to a power-on enabling circuit in the prior art, and a pressed part is used as a switch of the power-on enabling circuit.

The utility model discloses only need set up the crimping piece in structural shell, by crimping piece and dismantlement detection circuitry, can realize preventing tearing open the detection to structural shell to realize preventing tearing open the detection of electronic equipment, compare in the scheme that adopts copper line structure to detect, can not cause the damage to the original structure in the electronic equipment, and simple structure, the cost is lower, easy to maintain.

In some embodiments of the present application, the crimp member is integrally formed or fixedly attached to the structural shell.

At structure shell's design production stage, can with the utility model discloses a crimping piece and structure shell design structure as integrated into one piece, the mode that for example can print through 3D directly obtains the structure shell that has the crimping piece to be convenient for produce.

Of course, in order to be able to accommodate more existing structural housings of electronic devices, it is also possible to design and produce separate crimping pieces, and then fix the separate crimping pieces in the corresponding positions of the existing structural housings by welding or gluing, etc. Therefore, specifically how to arrange the crimping pieces in the structural shell, the skilled person can flexibly adjust the crimping pieces according to actual needs, which is not listed here.

In some embodiments of the present application, the crimping member is disposed opposite the crimped member for crimping the crimped member to the circuit board.

Because the utility model discloses a crimping needs and to be realized preventing tearing open by crimping interact and detect, consequently sets up crimping and when being pressed the concrete position of piece in structural shell, can consider the relative position relation between the two, for example can with crimping and by the crimping setting of relatively standing to be convenient for the crimping can accurately be pressed by the crimping.

In some embodiments of the present application, the structural shell includes two side shells, and the crimping member, the crimped member, and the detachment detection circuit are disposed on the same side of the two side shells.

The utility model discloses a structure shell specifically can include both sides casing, and the crimping piece, by crimping piece and dismantlement detection circuitry can all set up in same one side casing, the realization structure shell that on the one hand can be accurate prevents tearing open the detection like this, and on the other hand also can simplify the line design of walking in the structure shell.

The utility model discloses a both sides casing for example can be divided into casing and lower casing, certainly, "go up casing" and "casing down" here just comparatively speaking, according to the difference of specific electronic equipment type and model etc. the crimping piece, by the crimping piece with dismantle detection circuitry and can all set up in last casing, perhaps also can all set up in the casing down.

In some embodiments of the present application, the tamper-resistant structure of the electronic device further comprises a main processor disposed in the structural housing and coupled to the tamper detection circuit.

The utility model discloses an electronic equipment prevent tearing open structure still includes that the owner processor is MCU (Microcontroller Unit, little the control Unit), and it is the core Unit that electronic equipment realized various functions, and the owner processor sets up in structural shell equally to be connected with dismantling detection circuitry electricity, dismantle detection circuitry's last electric signal through the receipt and realize normal work.

In some embodiments of the present application, the connection state of the member to be crimped and the detachment detection circuit includes connection and disconnection, the power-on state of the electronic device includes power-on and power-off, the detachment detection circuit is configured to control power-on of the electronic device by the main processor when the member to be crimped is connected with the detachment detection circuit, and is configured to power off the electronic device when the member to be crimped is disconnected from the detachment detection circuit.

The utility model discloses a connected state by crimping spare and between dismantling detection circuitry mainly divide into and connect and break off two kinds of circumstances, correspondingly, electronic equipment's on state mainly divide into the circular telegram and the outage two kinds of circumstances. When the structure shell is not dismantled, by the crimping piece can be because the pressing of crimping piece and with dismantle detection circuitry electricity and be connected, dismantle detection circuitry this moment and be in normal connected state, consequently dismantle detection circuitry can provide MCU's an last electric signal high level through the output signal group, MCU normally works, electronic equipment is gone up the electricity.

And when the structure shell was dismantled, by the crimping piece will with the crimping piece separation, and then lead to being in the state of disconnection between crimping piece and the dismantlement detection circuitry, dismantle detection circuitry this moment and be in not the connected state, consequently dismantle detection circuitry can provide MCU's last electrical signal a high resistance state (open a way), MCU leads to the electronic equipment outage because of can not receiving last electrical signal and can not normally work, and then realizes preventing tearing open the protection to electronic equipment.

In some embodiments of the present application, the detachment prevention structure of an electronic device further includes a circuit board disposed in the structural case, and the crimped piece and the detachment detection circuit are both disposed on the circuit board.

The utility model discloses an electronic equipment's anti-tear structure open still includes the circuit board, and the circuit board sets up in structural shell equally, and the circuit board can be regarded as the carrier that is used for bearing various functional device and circuit intercommunication relation each other in the structural shell, consequently by the crimping piece with dismantle detection circuitry and all can set up on the circuit board.

In some embodiments of the application, the pressed part is an elastic sheet, one end of the elastic sheet is fixedly arranged on the circuit board and is connected with one end of the dismounting detection circuit, and the other end of the elastic sheet is pressed on the circuit board through the pressing part and is connected with the other end of the dismounting detection circuit.

In the prior art, a detachment prevention structure of an electronic device is to use a spring structure or the like to detect a detachment state of the device, and when a housing of the device is detached, the spring is reset by an elastic force to cause a power failure of the device. However, such a structure may increase the design difficulty of the structural housing of the electronic device, and the removal of the housing during the later maintenance process may cause the spring force to decrease.

Based on this, the pressed piece adopted in the embodiment of the present application may be a spring sheet, and specifically may be a metal spring sheet, which mainly plays a role in connecting a circuit. One end of the elastic sheet can be fixedly arranged on the circuit board, for example, fixed in a welding mode, and is electrically connected with one end of the detachable detection circuit. The other end upwards perks because of the existence of elasticity under natural state, when the structure shell was not dismantled, the crimping piece in the structure shell can be with the one end crimping of shell fragment perk to the circuit board on, simultaneously with dismantle detection circuitry's other end electricity is connected, dismantles detection circuitry this moment and is in the closed state of intercommunication promptly because the shell fragment is crimped to the circuit board on, and then can give MCU's an upper electrical signal high level, makes MCU normally work.

When the structure shell is dismantled, the crimping piece and the shell fragment separation in the structure shell, the other end of shell fragment can be because the existence of elasticity and the perk that makes progress naturally, lead to and dismantle detection circuitry's other end disconnection, dismantle detection circuitry this moment because the shell fragment disconnection and be in the disconnection state that opens a way promptly, and then can give MCU's last electric signal a high resistance state, make MCU normally work, and then lead to the equipment outage.

The utility model discloses a shell fragment is as being pressed the connecting piece, compare in with the spring structure who adopts among the prior art, the problem that the elasticity that the shell fragment faced descends is littleer, consequently can avoid at to a great extent because dismantle the shell and the problem that the elasticity that leads to descends in the later maintenance in-process.

In some embodiments of the present application, the crimped piece is a push switch.

The utility model discloses a by crimping spare can also adopt press switch's structure, press switch can fix the setting on the circuit board, during press switch's both ends access dismantlement detection circuitry, when structural shell was not dismantled, crimping spare among the structural shell can press switch, dismantles this moment and detects circuit and be in the connected state, and then can give MCU's last high level of electric signal, makes MCU normally work. When the structure shell is dismantled, the crimping piece in the structure shell separates with press the switch, and press the switch and reset, lead to dismantling detection circuitry and be in the off-state, and then lead to the equipment outage.

In some embodiments of the present application, the crimping member is a probe, and the probe is made of an insulating material.

The utility model discloses a crimping piece can be for the structure of probe, and insulating material can be selected to the probe, avoids leading to the electric energy loss of equipment because of probe contact metal shrapnel. In addition, the length design of probe can be based on the probe and design the relative distance between the two when with the shell fragment crimping to the circuit board, guarantees that the probe can not cause the extrusion to the circuit board when with the shell fragment crimping to the circuit board.

The utility model discloses a probe is as the crimping piece, and the volume is less and simple structure, has reduced the design degree of difficulty to structural shell, has saved structural shell's usage space, and the cost is lower, easily realizes. In addition, because the structural design of probe for this use is novel to the also greatly reduced of the designing requirement of shell fragment, and then reduced the design degree of difficulty of preventing tearing open the structure of electronic equipment on the whole, and easy later maintenance.

The utility model discloses can also notice the lectotype of shell fragment when welding the shell fragment on the circuit board, the too big area that can waste the circuit board of shell fragment area occupies the space in the structure shell, and shell fragment area undersize can lead to crimping piece can not carry out the accuracy to the shell fragment when the installation and press, and then leads to the unable normal work of circuit because of the shell fragment contact is insufficient. Based on this, in some embodiments of the present application, the area size of the elastic sheet may be adapted to the area size of the cross section of the probe, for example, the area size of the elastic sheet is properly larger than the area of the cross section of the probe, so that the area of the circuit board and the space of the structural shell are not wasted while the accurate pressing is ensured.

In order to facilitate understanding of the embodiments of the present invention, as shown in fig. 1, a schematic diagram of an overall structure of an anti-detaching structure of an electronic device of the present invention is provided. The utility model discloses an electronic equipment prevent tearing open structure can include structural shell, the probe, the shell fragment, dismantle detection circuitry and host processor and all set up in structural shell, after structural shell installs, the probe with shell fragment crimping to the circuit board on, thereby make the shell fragment with dismantle detection circuitry and be connected, it is in the connected state to dismantle detection circuitry, provide MCU's last high level of power signal, MCU normally works, electronic equipment goes up the electricity. When the structure shell is disassembled, the probe is separated from the elastic sheet, the elastic sheet is disconnected and the connection of the disassembly detection circuit is disassembled due to the elastic reset, the disassembly detection circuit is in a disconnected state, a high-resistance state of an electrifying signal is provided for the MCU, the MCU can not normally work, and then the power failure of the equipment is caused, so that the disassembly prevention protection of the electronic equipment is realized.

Example 2

The detachment prevention structure of the electronic apparatus in embodiment 2 is substantially the same as that of embodiment 1 described above, and is mainly different in that the circuit board in embodiment 2 may specifically include a first circuit board and a second circuit board, the structural housing includes two side cases, the crimping piece and the crimped piece and the first circuit board are disposed on one side of the two side cases, and the detachment detection circuit and the main processor and the second circuit board are disposed on the other side of the two side cases.

That is, the utility model discloses an electronic equipment prevent tearing open structure only need guarantee the crimping piece with by the crimping piece set up on same side casing can, dismantle detection circuitry and host processor can with the crimping piece with by the crimping piece set up respectively on the casing of different sides, perhaps dismantle detection circuitry and host processor also can set up respectively on the casing of different sides, by the crimping piece, dismantle between detection circuitry and the host processor through the wire connection of drawing forth on the circuit board can.

In view of the above, it is only the specific embodiments of the present invention that other modifications and variations can be made by those skilled in the art based on the above-described embodiments in light of the above teachings. It should be understood by those skilled in the art that the detailed description above is only for the purpose of better explaining the present invention, and the scope of protection of the present invention should be subject to the scope of protection of the claims.

Claims (10)

1. A tamper structure of an electronic device, wherein the tamper structure of the electronic device comprises: the structure comprises a structure shell, a crimping piece, a crimped piece and a disassembly detection circuit, wherein the crimping piece, the crimped piece and the disassembly detection circuit are all arranged in the structure shell, the crimping piece is used for controlling the connection state of the crimped piece and the disassembly detection circuit, and the disassembly detection circuit is used for controlling the power-on state of an electronic device according to the connection state of the crimped piece and the disassembly detection circuit.

2. A tamper-evident structure for electronic equipment as claimed in claim 1, wherein said crimping member is integrally formed or fixedly attached to said structural shell.

3. The detachment prevention structure of an electronic apparatus according to claim 1, wherein the structural case includes two side cases, and the crimping piece, the crimped piece, and the detachment detection circuit are disposed on the same side of the two side cases.

4. The tamper-evident structure for an electronic device as recited in claim 1, wherein the tamper-evident structure for an electronic device further comprises a main processor disposed in the structural housing and coupled to the tamper detection circuitry.

5. A detachment prevention structure of an electronic apparatus according to claim 4, wherein a connection state of said crimped piece to said detachment detection circuit includes connection and disconnection, a power-on state of said electronic apparatus includes power on and power off, said detachment detection circuit is configured to control power on of the electronic apparatus by said main processor when said crimped piece is connected to said detachment detection circuit, and is configured to power off the electronic apparatus when said crimped piece is disconnected from said detachment detection circuit.

6. A removal prevention structure of an electronic apparatus as set forth in claim 1, wherein the removal prevention structure of an electronic apparatus further comprises a circuit board provided in the structural shell, the crimped piece and the removal detection circuit being provided on the circuit board.

7. A tamper-evident structure of an electronic device as claimed in claim 6, wherein the crimping member is provided opposite to the crimped member for crimping the crimped member to the circuit board.

8. The structure of claim 6, wherein the pressed member is a spring, one end of the spring is fixedly disposed on the circuit board and connected to one end of the detachment detection circuit, and the other end of the spring is pressed against the circuit board by the pressing member and connected to the other end of the detachment detection circuit.

9. A tamper-evident structure of an electronic device as claimed in claim 1, wherein the crimped member is a push switch.

10. A tamper-evident structure for an electronic device as claimed in any one of claims 1 to 9, wherein the crimping member is a probe, and the probe is made of an insulating material.

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