CN213813908U

CN213813908U - Modularization ground connection detection terminal

Info

Publication number: CN213813908U
Application number: CN202022521063.5U
Authority: CN
Inventors: 许标
Original assignee: Shenzhen Xingwanda Electronic Technology Co ltd
Current assignee: Shenzhen Xingwanda Electronic Technology Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-07-27
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a modularization ground connection detection terminal, which comprises a shell, wherein a PCB board with an MCU module is arranged in the shell, and a preset number of ground connection detection modules which are electrically connected with the MCU module and can be plugged and unplugged are arranged on the PCB board; each grounding detection module is any one of an anti-static bracelet detection module, an electrostatic leather detection module and an equipment detection module; the external interface of the grounding detection module is exposed out of the shell. The utility model provides a modularization ground connection test terminal has the function of nimble configuration different grade type ground connection detection module, detects the precision height, the configuration is simple, and can support intelligent backstage to handle, is favorable to improving detection efficiency.

Description

Modularization ground connection detection terminal

Technical Field

The utility model relates to a ground connection check out test set, especially a modularization ground connection check out terminal.

Background

The electrostatic grounding detection is an important antistatic operation in production, transportation and other links of the electronic manufacturing industry. Because the links needing anti-static electricity are complex and various, the problems that the existing grounding detection equipment has single function and cannot be flexibly configured are increasingly highlighted. For example, an anti-static bracelet worn by an operator on a production line needs to be frequently detected, and the detection amount is increased along with the number of operators; the static sheet (not limited to rubber pad, antistatic extension, etc.) is suitable according to the local conditions of factory environment, and has different requirements on the number of detection equipment; and the requirements for finished products and semi-finished products and the electrostatic detection precision are different from the detection environment, and the like. Therefore, the scattered detection devices are not favorable for the efficiency of the overall electrostatic detection, and at the same time, unnecessary operation trouble is brought to the user.

SUMMERY OF THE UTILITY MODEL

For overcoming prior art's shortcoming, the utility model provides a modularization ground connection test terminal has the function of nimble configuration different grade type ground connection test module, detects the precision height, the configuration is simple, and can support intelligent backstage to handle, is favorable to improving detection efficiency.

A modularized grounding detection terminal is characterized by comprising a shell, wherein a PCB with MCU modules is arranged in the shell, and a preset number of pluggable grounding detection modules electrically connected with the MCU modules are arranged on the PCB; each grounding detection module is any one of an anti-static bracelet detection module, an electrostatic leather detection module and an equipment detection module; an external interface of the grounding detection module is exposed out of the shell;

optionally, an LCD screen is exposed outside the housing, and an LCD driving module electrically connected with the MCU module is disposed on the PCB;

optionally, a preset number of keys are arranged on the shell, and a key driving module electrically connected with the MCU module is arranged on the PCB;

optionally, a power interface is exposed outside the housing; the PCB is also provided with a power supply module, and the power supply module is used for supplying power to the MCU module and the grounding detection module;

optionally, a buzzer and a sound alarm circuit for controlling the buzzer are further arranged on the PCB;

optionally, a warning light is arranged outside the housing, and a detection state indicating circuit for controlling the warning light is arranged on the PCB;

optionally, a WiFi antenna interface is reserved outside the housing, and a WiFi module interface is reserved on the PCB;

optionally, a ZigBee receiving and transmitting terminal is further arranged on the PCB;

optionally, the PCB is further provided with a ground terminal interface exposed out of the housing.

The utility model provides a modularization ground connection detection terminal, with integrated ground connection detection function module under the multiple scene as the core, will prevent that the ground connection detection of static bracelet, static skin and equipment (finished product or semi-manufactured goods) integrates into the module that can dispose alone (ground connection detection module), and meet with the PCB board of taking the MCU module through pluggable mode, so that can dispose along with detecting the scene in the in-service use, detect the type and detect the difference of quantity and nimble, improved detection efficiency and detection precision greatly; meanwhile, the modularized grounding detection terminal is provided with a ZigBee communication module, can perform data interaction with an intelligent background, and can overcome the problem of same frequency interference caused by a traditional WiFi module.

Drawings

Fig. 1 is a perspective view of a modular ground detection terminal according to an embodiment of the present invention;

fig. 2 is a perspective view of another structure of the modular ground detection terminal according to an embodiment of the present invention;

fig. 3 is an internal structure diagram of the modular ground detection terminal according to the embodiment of the present invention;

fig. 4 is an enlarged view of an internal structure of the modular ground detection terminal according to an embodiment of the present invention;

fig. 5 is a schematic circuit diagram of the MCU module according to the embodiment of the present invention;

fig. 6 is a schematic circuit diagram of a ground fault detection module according to an embodiment of the present invention;

fig. 7 is a schematic circuit diagram of an LCD driver module according to an embodiment of the present invention;

fig. 8 is a schematic circuit diagram of a key module according to an embodiment of the present invention;

fig. 9 is a schematic circuit diagram of a power module according to an embodiment of the present invention;

FIG. 10 is a schematic diagram of an audio alarm circuit according to an embodiment of the present invention;

fig. 11 is a schematic diagram of a detection status indication circuit according to an embodiment of the present invention;

fig. 12 is a schematic circuit diagram of the ZigBee transceiver terminal in the embodiment of the present invention;

the reference numbers in the drawings of the specification are as follows:

1. a housing; 11. a PCB board; 2. an LCD screen; 3. pressing a key; 4. a WiFi antenna; 41. a WiFi antenna interface; 5. an anti-static bracelet detection module; 51. an anti-static bracelet detection terminal interface; 6. an electrostatic skin detection module; 61. an electrostatic skin detection terminal interface; 7. a device detection module; 71. an equipment detection terminal interface; 8. a ground terminal interface; 9. a power interface; 10. a warning light; 101. a module block piece; 102. a golden finger.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A modularized grounding detection terminal is shown in figures 1 to 12 and comprises a shell 1, wherein a PCB with MCU modules is arranged in the shell, and a preset number of pluggable grounding detection modules electrically connected with the MCU modules are arranged on the PCB; each grounding detection module is any one of an anti-static bracelet detection module 5, an electrostatic leather detection module 6 and an equipment detection module 7; the external interface of the grounding detection module is exposed out of the shell.

Wherein, the external interface of the ground detection module is the antistatic hand ring detection terminal interface 51, the electrostatic skin detection terminal interface 61 and the equipment detection terminal interface 71 respectively. In the hardware structure, the grounding detection module is connected with the PCB board in a pluggable manner through the golden fingers 102 and is fixed by a module retaining sheet 101 outside the shell. The anti-static bracelet detection module is used for carrying out static detection on the resistance value of the anti-static bracelet on the production line, and an anti-static bracelet detection terminal interface exposed outside the shell is used for being connected with the anti-static bracelet; the electrostatic leather detection module is used for carrying out grounding detection on the antistatic rubber leather in a workshop and on a station, and is connected with the electrostatic leather to be detected through an electrostatic leather detection terminal interface exposed outside the shell; and the equipment detection module is used for carrying out grounding detection on various products and is connected with equipment to be detected through an equipment detection terminal interface exposed out of the shell.

The grounding detection module can be arbitrarily collocated or combined through the circuit shown in fig. 6, and is controlled through the MCU module shown in fig. 5. In the figure, the marks of the related components are standard circuit marks, and are not described in detail here.

Further, in an embodiment, in order to facilitate control and monitoring of the detected data, the LCD screen 2 is exposed outside the housing, and the PCB is provided with an LCD driving module electrically connected to the MCU module, and a schematic circuit diagram thereof is shown in fig. 7.

Further, in an embodiment, a predetermined number of keys 3 are disposed on the housing, and a key driving module electrically connected to the MCU module is disposed on the PCB, and a schematic circuit diagram thereof is shown in fig. 8. Preferably, the keys are touch keys.

Further, in one embodiment, the housing is exposed with a power interface 9; the PCB is also provided with a power supply module, the power supply module is used for supplying power for the MCU module and the grounding detection module, and a circuit schematic diagram of the power supply module is shown in FIG. 9. Specifically, the power module converts the external voltage into a DC voltage that can be used by the MCU and the detection module.

Further, in an embodiment, in order to facilitate monitoring, an acousto-optic alarm module is disposed on the PCB, specifically, a buzzer and a sound alarm circuit for controlling the buzzer are further disposed on the PCB, a warning light 10 is disposed outside the casing, and a detection state indicating circuit for controlling the warning light is disposed on the PCB. The sound alarm circuit and the detection state indicating circuit are shown in fig. 10 and 11, respectively.

Further, in an embodiment, in order to facilitate ZigBee communication, a ZigBee transceiver terminal is further disposed on the PCB, and a schematic diagram thereof is shown in fig. 12.

Further, in an embodiment, the PCB board is further provided with a ground terminal interface 8 exposed from the housing, and the interface is used for overall grounding of the detection terminal.

The WiFi antenna interface 4 is reserved outside the shell, the WiFi module interface is reserved on the PCB, customization of the functional modules can be achieved for customers, flexible configuration is achieved, and the detection terminal is wider in applicability.

The modular grounding detection terminal is explained above to help understanding the utility model; however, the implementation manner of the present invention is not limited by the above-mentioned embodiments, and any changes, modifications, replacements, combinations, and simplifications that do not depart from the principles of the present invention should be equivalent replacement manners, and all are included in the protection scope of the present invention.

Claims

1. A modularized grounding detection terminal is characterized by comprising a shell, wherein a PCB with MCU modules is arranged in the shell, and a preset number of pluggable grounding detection modules electrically connected with the MCU modules are arranged on the PCB; each grounding detection module is any one of an anti-static bracelet detection module, an electrostatic leather detection module and an equipment detection module; the external interface of the grounding detection module is exposed out of the shell.

2. The modular ground detection terminal as claimed in claim 1, wherein an LCD screen is exposed outside the housing, and an LCD driver module electrically connected to the MCU module is disposed on the PCB.

3. The modular ground detection terminal as claimed in claim 1, wherein a predetermined number of keys are disposed on the housing, and a key driving module electrically connected to the MCU module is disposed on the PCB.

4. The modular ground detection terminal of claim 1, wherein the housing is exposed with a power interface; the PCB is further provided with a power supply module, and the power supply module is used for supplying power for the MCU module and the grounding detection module.

5. The modular ground detection terminal as recited in claim 1, wherein a buzzer and an audible alarm circuit for controlling the buzzer are further disposed on the PCB.

6. The modular ground detection terminal as recited in claim 1, wherein a warning light is disposed outside the housing, and a detection status indicating circuit for controlling the warning light is disposed on the PCB.

7. The modular ground detection terminal of claim 1, wherein a WiFi antenna interface is reserved outside the housing, and a WiFi module interface is reserved on the PCB.

8. The modular ground detection terminal of claim 1, wherein a ZigBee transceiver terminal is further provided on the PCB board.

9. The modular ground detection terminal as recited in any of claims 1-8, further comprising a ground terminal interface exposed from the housing on the PCB.