阅读说明：本技术 一种安全释放人体静电的静电接地钳 (Electrostatic grounding clamp capable of safely releasing human static electricity ) 是由 吴亦秋 付博文 吴凡 于 2020-04-24 设计创作，主要内容包括：本发明涉及静电释放消除的技术领域,特别是一种安全释放人体静电的静电接地钳。其特征是：至少一个钳臂上设置有手触电极、接地电极,所述手触电极和接地电极由弹力保持分离,所述弹力小于钳体弹簧的弹力,当手握动静电接地钳的钳臂直至钳口张开时所述手触电极必然已经克服了所述弹力而使所述手触电极和所述接地电极接触导电,实现手触电极接地而释放人体静电。有益效果是：在使用该静电接地钳时可以确保对人体静电进行安全释放,并且在人体静电释放过程中对人不产生电击感。(The invention relates to the technical field of static electricity discharge elimination, in particular to a static electricity grounding clamp for safely discharging human static electricity. The method is characterized in that: the hand-touch electrode and the grounding electrode are arranged on at least one forceps arm, the hand-touch electrode and the grounding electrode are kept separated by elastic force, the elastic force is smaller than the elastic force of a forceps body spring, when the forceps arm of the electrostatic grounding forceps is held by a hand until the forceps jaws are opened, the hand-touch electrode inevitably overcomes the elastic force to enable the hand-touch electrode and the grounding electrode to be in contact conduction, and the hand-touch electrode is grounded to release human body static electricity. The beneficial effects are that: when the electrostatic grounding clamp is used, the static electricity of a human body can be safely released, and the human body does not have electric shock feeling in the static electricity releasing process.)

1. The utility model provides an electrostatic grounding pincers of human static of safe release, includes keeping silent, pincers body spring, tong arm, characterized by: the hand-touch electrode and the grounding electrode are arranged on at least one forceps arm, the hand-touch electrode and the grounding electrode are kept separated by elastic force, the elastic force is smaller than the elastic force of a forceps body spring, when the forceps arm of the electrostatic grounding forceps is held by a hand until the forceps jaws are opened, the hand-touch electrode inevitably overcomes the elastic force to enable the hand-touch electrode and the grounding electrode to be in contact conduction, and the hand-touch electrode is grounded to release human body static electricity.

2. The utility model provides an electrostatic grounding pincers of human static of safe release, includes keeping silent, pincers body spring, tong arm, characterized by: at least one of the forceps arms is provided with a hand touch electrode and a pressure switch, the pressure switch is bridged between the hand touch electrode and the ground wire, the hand touch electrode is attached to a pressure handle of the pressure switch, the touch pressure of the pressure switch is smaller than the elastic force of a forceps body spring, and when the forceps arms of the electrostatic grounding forceps are held by hands until the forceps jaws are opened, the holding force of the hands inevitably overcomes the touch pressure to close and conduct the pressure switch, so that the hand touch electrode is grounded to release the static electricity of a human body.

3. The utility model provides an electrostatic grounding pincers of human static of safe release, includes keeping silent, pincers body spring, tong arm, characterized by: at least one of the forceps arms is provided with a hand-touch electrode and a pressure switch, the pressure switch is bridged between the hand-touch electrode and the ground wire, the hand-touch electrode and a pressure handle of the pressure switch are kept separated or in zero pressure contact by elasticity, the resultant force of the sum of the elasticity and the touch pressure of the pressure switch is smaller than the elasticity of a forceps body spring, when the forceps arms of the electrostatic grounding forceps are held by hands until the jaws are opened, the holding force of the hands overcomes the resultant force to close and conduct the pressure switch, and the grounding of the hand-touch electrode is realized to release the static electricity of a human body.

4. The electrostatic grounding clamp for safely discharging human body static electricity as claimed in claim 2 or 3, wherein: the pressure switch is hermetically wrapped in the elastic cavity 1.

5. The utility model provides an electrostatic grounding pincers of human static of safe release, includes keeping silent, pincers body spring, tong arm, characterized by: the permanent magnet and the normally open magnetic control switch are kept separated by elasticity to be in an open circuit, the elasticity is smaller than that of a clamp body spring, when the clamp arms of the electrostatic grounding clamp are held by hands until a clamp jaw is opened, the permanent magnet is inevitably close to the normally open magnetic control switch to be conducted, and the grounding of the hand contact electrode is realized to release human static electricity.

6. The utility model provides an electrostatic grounding pincers of human static of safe release, includes keeping silent, pincers body spring, tong arm, characterized by: the permanent magnet and the normally closed magnetic control switch are kept close to each other by elasticity and can be driven to be in an open circuit, the elasticity is smaller than that of a clamp body spring, when the clamp arms of the electrostatic grounding clamp are held by hands until a clamp jaw is opened, the permanent magnet is inevitably conducted by overcoming the elasticity and keeping away from the normally closed magnetic control switch, and the grounding of the hand contact electrode is realized to release the static electricity of a human body.

7. The electrostatic grounding clamp for safely discharging human body static electricity according to claim 5 or 6, wherein: the installation positions of the magnetic control switch and the permanent magnet can be interchanged.

8. An electrostatic grounding clamp for safely discharging human body static electricity according to claim 1, 2, 3, 5 or 6, wherein: the clamp arms are wrapped with elastic cavities, and the elastic force is provided by the elastic cavities.

9. An electrostatic grounding clamp for safely discharging human body static electricity according to claim 1, 2, 3, 5 or 6, wherein: the hand touch electrode is coupled to the jawarms by a spring, the spring being provided by the spring.

10. An electrostatic grounding clamp for safely discharging human body static electricity according to claim 1, 2, 3, 5 or 6, wherein: the resistance is arranged to be bridged between the hand contact electrode and the ground wire, when a hand contacts the clamp arm of the electrostatic grounding clamp and in the process of pressing the clamp arm, the static electricity of a human body is pre-discharged through the resistance, and the resistance value is R.

Technical Field

The invention relates to the technical field of static electricity discharge elimination, in particular to a static electricity grounding clamp for safely discharging human static electricity.

Background

When a full-load oil tank car unloads oil, static electricity carried by the oil tank car (the oil tank car generally has a capacitance to ground of about 1500PF, and the static electricity generated by friction between wheels and the ground has about 2-3 KV) is unsafe in inflammable and explosive places, so a grounding measure must be implemented before oil loading and unloading operations, and at present, an electrostatic grounding clamp is used for grounding treatment and consists of a grounding tooth port, a clamp body spring, a clamp arm and the like. However, the movement of an operator can cause the human body to carry static electricity, the capacitance of the human body is generally 200pF, the generated static electricity is about 2-9KV, and the human body static electricity can cause explosion, so that the human body static electricity is necessary to be safely released at any time.

Disclosure of Invention

The intrinsic safety is derived from the GB 3836.4-201 standard, explosion-proof electrical appliances are classified into explosion-proof type, safety-increasing type, intrinsic safety type and the like, and the intrinsic safety type electrical equipment is characterized in that all circuits are intrinsic safety circuits, namely, the circuits cannot ignite specified explosive mixtures due to electric sparks and thermal effects generated under normal work or specified fault states. That is, the electric appliance is not explosion-proof by the outer shell and the filler, but the energy of electric spark or heat effect generated by the circuit in normal use or failure is less than 0.28mJ, namely the gas concentration is 8.5% (the most explosive concentration) of the minimum ignition energy.

The invention aims to utilize the characteristic that the clamp jaw of the electrostatic grounding clamp can be opened to bite a conductor, and the clamp arm of the electrostatic grounding clamp is provided with an electrostatic discharge device to ensure the safe discharge of human body static electricity.

Because two electric contacts of the reed switch are positioned in the closed space and belong to an explosion-proof device, electric sparks generated by the electric contacts of the reed switch cannot be transmitted to the outside, so that the reed switch is an intrinsic safety explosion-proof device, and further, the outer wall of the reed switch can be made of nonmagnetic materials, such as an aluminum pipe, so that the explosion-proof effect is better.

Furthermore, the reed switch can be popularized to a magnetic control switch, such as a solid switch adopting a Hall device, and further, the reed switch is definitely an explosion-proof magnetic control switch.

The technical scheme of the invention is as follows: the method is characterized in that:

the utility model provides an electrostatic grounding pincers of human static of safe release, includes keeping silent, pincers body spring, tong arm, characterized by: the hand-touch electrode and the grounding electrode are arranged on at least one forceps arm, the hand-touch electrode and the grounding electrode are kept separated by elastic force, the elastic force is smaller than the elastic force of a forceps body spring, when the forceps arm of the electrostatic grounding forceps is held by a hand until the forceps jaws are opened, the hand-touch electrode inevitably overcomes the elastic force to enable the hand-touch electrode and the grounding electrode to be in contact conduction, and the hand-touch electrode is grounded to release human body static electricity.

The utility model provides an electrostatic grounding pincers of human static of safe release, includes keeping silent, pincers body spring, tong arm, characterized by: at least one of the forceps arms is provided with a hand touch electrode and a pressure switch, the pressure switch is bridged between the hand touch electrode and the ground wire, the hand touch electrode is attached to a pressure handle of the pressure switch, the touch pressure of the pressure switch is smaller than the elastic force of a forceps body spring, and when the forceps arms of the electrostatic grounding forceps are held by hands until the forceps jaws are opened, the holding force of the hands inevitably overcomes the touch pressure to close and conduct the pressure switch, so that the hand touch electrode is grounded to release the static electricity of a human body.

The utility model provides an electrostatic grounding pincers of human static of safe release, includes keeping silent, pincers body spring, tong arm, characterized by: at least one of the forceps arms is provided with a hand-touch electrode and a pressure switch, the pressure switch is bridged between the hand-touch electrode and the ground wire, the hand-touch electrode and a pressure handle of the pressure switch are kept separated or in zero pressure contact by elasticity, the resultant force of the sum of the elasticity and the touch pressure of the pressure switch is smaller than the elasticity of a forceps body spring, when the forceps arms of the electrostatic grounding forceps are held by hands until the jaws are opened, the holding force of the hands overcomes the resultant force to close and conduct the pressure switch, and the grounding of the hand-touch electrode is realized to release the static electricity of a human body.

The electrostatic grounding clamp for safely releasing human body static electricity is characterized in that: the pressure switch is hermetically wrapped in the elastic cavity 1.

The utility model provides an electrostatic grounding pincers of human static of safe release, includes keeping silent, pincers body spring, tong arm, characterized by: the permanent magnet and the normally open magnetic control switch are kept separated by elasticity to be in an open circuit, the elasticity is smaller than that of a clamp body spring, when the clamp arms of the electrostatic grounding clamp are held by hands until a clamp jaw is opened, the permanent magnet is inevitably close to the normally open magnetic control switch to be conducted, and the grounding of the hand contact electrode is realized to release human static electricity.

The utility model provides an electrostatic grounding pincers of human static of safe release, includes keeping silent, pincers body spring, tong arm, characterized by: the permanent magnet and the normally closed magnetic control switch are kept close to each other by elasticity and can be driven to be in an open circuit, the elasticity is smaller than that of a clamp body spring, when the clamp arms of the electrostatic grounding clamp are held by hands until a clamp jaw is opened, the permanent magnet is inevitably conducted by overcoming the elasticity and keeping away from the normally closed magnetic control switch, and the grounding of the hand contact electrode is realized to release the static electricity of a human body.

The electrostatic grounding clamp for safely releasing human body static electricity is characterized in that: the installation positions of the magnetic control switch and the permanent magnet can be interchanged.

The electrostatic grounding clamp for safely releasing human body static electricity is characterized in that: the magnetic control switch is an explosion-proof magnetic control switch.

The electrostatic grounding clamp for safely releasing human body static electricity is characterized in that: the magnetic control switch is a reed switch.

The electrostatic grounding clamp for safely releasing human body static electricity is characterized in that: the clamp arms are wrapped with elastic cavities, and the elastic force is provided by the elastic cavities.

The electrostatic grounding clamp for safely releasing human body static electricity is characterized in that: the elastic cavity is made of sub-conductor material, and the resistance value R of the elastic cavity is larger than the resistance value R of the elastic cavity.

The electrostatic grounding clamp for safely releasing human body static electricity is characterized in that: the elastic cavity is made of conductive rubber, and the resistance value R of the elastic cavity is larger than the resistance value R of the elastic cavity.

The electrostatic grounding clamp for safely releasing human body static electricity is characterized in that: the hand touch electrode is coupled to the jawarms by a spring, the spring being provided by the spring.

The electrostatic grounding clamp for safely releasing human body static electricity is characterized in that: the resistance is arranged to be bridged between the hand contact electrode and the ground wire, when a hand contacts the clamp arm of the electrostatic grounding clamp and in the process of pressing the clamp arm, the static electricity of a human body is pre-discharged through the resistance, and the resistance value is R.

The electrostatic grounding clamp for safely releasing human body static electricity is characterized in that: the resistance value R is: 10 megohm-1000 megohm.

The invention has the beneficial effects that: when the electrostatic grounding clamp is used, the static electricity of a human body can be safely released, and the human body does not have electric shock feeling in the static electricity releasing process.

Drawings

Fig. 1 is an embodiment of the clamp arm provided with electrode contacts for safely discharging human static electricity.

Fig. 2 is an embodiment of the clamp arm provided with a pressure switch for safely releasing human static electricity.

Fig. 3 is an embodiment of the forceps arm provided with a normally open reed switch for safely releasing human static electricity.

Fig. 4 is an embodiment of arranging a normally closed reed switch for the forceps arm to safely discharge human static electricity.

Fig. 5 shows the design of the hand electrode coupled to the jawarms via the resilient members.

Detailed Description

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is an embodiment of the clamp arm provided with electrode contacts for safely discharging static electricity of a human body, and considering that the human body can carry static electricity, even if the grounding clamp is intrinsically safe, the personnel still can generate electric sparks in an explosion-proof environment to cause unsafe hidden troubles. The electrostatic grounding clamp comprises a clamp arm 101, a clamp arm 105, a clamp lip 103, a clamp lip 104 and a clamp body spring 102, wherein grounding teeth 201 are arranged in the clamp lip, and when the clamp jaws bite the conductor, the meshed conductor is grounded through the grounding teeth. The elastic cavity 1051 is arranged or wrapped on at least one tong arm of the electrostatic grounding tong, the hand touch electrode 301 is arranged on the elastic cavity 1051, the grounding electrode 302 is arranged in the elastic cavity 1051, the hand touch electrode 301 and the grounding electrode 302 are kept separated by the elastic force F of the elastic cavity 1051, the elastic force F is smaller than the elastic force F of a tong body spring, when the tong arm of the electrostatic grounding tong is held by a hand until a tong mouth is opened, the hand touch electrode 301 is certainly contacted with the grounding electrode 302 to conduct electricity by overcoming the elastic force F, the hand touch electrode 301 is grounded to release human body static electricity, and the elastic cavity 1051 has a sealing function, so that the hand touch electrode 301 and the grounding electrode 302 are sealed in the elastic cavity 1051 even if sparks are generated, and the explosion-proof clamp is explosion-proof. Considering the electrostatic grounding concept, the leakage resistance is 10 megohm-1000 megohm, and actually, the resistance of several megohms is equivalent to direct grounding (zero resistance grounding easily generates electrostatic spark), a resistor R can be set to bridge between the hand touch electrode 301 and the ground wire, and the resistance value is: 10 megohm-1000 megohm. When a hand holds the clamp arm of the electrostatic grounding clamp, the electrostatic pre-release is carried out through the hand touch electrode 301 and the resistor R, 70% of human body voltage can be pre-released in about 3 seconds according to an RC discharge curve, the human body capacitance is generally 200pF, the human body resistance is 10 kilo ohm, the resistance value of the resistor R is 330 mega ohm, the electrostatic pre-release is basically completed after 3 seconds according to the RC curve, meanwhile, no touch inductance is generated on the human body, the residual voltage is less than 100 volts, when the clamp arm of the electrostatic grounding clamp is held by the hand until a clamp jaw is opened, the hand touch electrode 301 and the grounding electrode 302 are inevitably contacted and conducted by overcoming the elastic force f, the human body is directly grounded to release the residual voltage, the residual voltage is very low, the touch inductance cannot be generated on the human body, meanwhile, the low residual voltage release is intrinsically safe (the energy is less than 0.28 mJ), namely, even if the elastic.

In addition, as an implementation scheme, the elastic cavity 1051 is made of a sub-conductor material, such as conductive rubber or plastic, and the ground resistance of the sub-conductor material is 10 mega ohm to 1000 mega ohm.

In addition, since the breakdown voltage of air is about 3kv/mm, it is desirable to design the distance between the hand touch electrode 301 and the ground electrode 302 to be greater than 3mm in most cases.

Fig. 2 shows an embodiment in which a pressure switch is disposed on a forceps arm to safely discharge human static electricity, an elastic cavity 1051 is disposed on or wrapped around at least one forceps arm of an electrostatic grounding forceps, the hand touch electrode 301 is arranged on the elastic cavity 1051, the pressure switch K is arranged in the elastic cavity 1051, the pressure switch is triggered and conducted by the pressure exerted on the pressure handle, the triggering pressure is set as F1, the pressure switch K is bridged between the hand touch electrode 301 and the ground wire, the hand touch electrode 301 and the pressure handle of the pressure switch are kept away or in zero pressure contact by the elastic force F of the elastic cavity 1051, the resultant force of the sum of the elastic force F and the triggering pressure F1 is less than the elastic force F of the clamp body spring, when the forceps arms of the electrostatic grounding forceps are held by hands until the forceps jaws are opened, the hand touch electrode 301 inevitably overcomes the resultant force of the sum of the elastic force f + touch pressure f1 to close and conduct the pressure switch K, so that the hand touch electrode 301 is grounded to release human body static electricity. Further, pressure switch K is wrapped up by sealed elasticity cavity 3000, constitutes flame-proof type pressure switch like this. Considering the electrostatic grounding concept, the leakage resistance is 10 megohm-1000 megohm, and actually, the resistance of several megohms is equivalent to direct grounding (zero resistance grounding easily generates electrostatic spark), a resistor R can be set to bridge between the hand touch electrode 301 and the ground wire, and the resistance value is: 10 megohm-1000 megohm. When a hand holds the clamp arm of the electrostatic grounding clamp, the electrostatic pre-release is carried out through the hand touch electrode 301 and the resistor R, 70% of human body voltage can be pre-released in about 3 seconds according to an RC discharge curve, the human body capacitance is generally 200pF, the human body resistance is 10 kilo ohm, the resistance value of the resistor R is 330 mega ohm, the electrostatic pre-release is basically completed after 3 seconds according to the RC curve, meanwhile, no touch inductance is generated on the human body, the residual voltage is less than 100 volts, when the clamp arm of the electrostatic grounding clamp is held by the hand until a clamp jaw is opened, the pressure switch is necessarily closed and conducted, the human body is directly grounded to release the residual voltage, the residual voltage is very low, no touch inductance is generated on the human body, meanwhile, the low residual voltage release is intrinsically safe (the energy is less than 0.28 mJ), namely, even if the elastic cavity 1051 is not sealed, and the elastic cavity 3000.

Alternatively, as an embodiment, the reset can be achieved by directly using the touch pressure f1 of the pressure spring, i.e. the hand touch electrode 301 is directly attached to the pressure handle of the pressure switch, and then the sexual cavity 1051 can be removed.

In addition, as an implementation scheme, the elastic cavity 1051 is made of a sub-conductor material, such as conductive rubber or plastic, and the ground resistance of the sub-conductor material is 10 mega ohm to 1000 mega ohm.

Fig. 3 is an embodiment of arranging a normally open reed switch on a forceps arm to safely release human static electricity, an elastic cavity 1051 is arranged on or wrapped around at least one forceps arm of an electrostatic grounding forceps, a hand contact electrode 301 is arranged on the elastic cavity 1051, a permanent magnet 401 is arranged on the elastic cavity 1051, a normally open reed switch 402 is arranged in the elastic cavity 1051, the hand contact electrode 301 and the permanent magnet 401 are mounted together and can follow, the permanent magnet 401 and the normally open reed switch 402 are kept separated by an elastic force F of the elastic cavity 1051 to be open, the elastic force F is smaller than an elastic force F of a forceps body spring, when the forceps arm of the electrostatic grounding forceps is held by a hand until a forceps jaw is opened, the permanent magnet 401 is necessarily close to the normally open reed switch 402 to be switched on, and the hand contact electrode 301 is grounded to release human static electricity. Considering the electrostatic grounding concept, the leakage resistance is 10 megohm-1000 megohm, and actually, the resistance of several megohms is equivalent to direct grounding (zero resistance grounding easily generates electrostatic spark), a resistor R can be set to bridge between the hand touch electrode 301 and the ground wire, and the resistance value is: 10 megohm-1000 megohm. When a clamp arm of the electrostatic grounding clamp is held by a hand, electrostatic pre-release is carried out through a hand touch electrode 301 and a resistor R, 70% of human body voltage can be pre-released in about 3 seconds according to an RC discharge curve, the human body capacitance is generally 200pF, the human body resistance is 10 kilo-ohm, the resistance value of the resistor R is 330 mega-ohm, electrostatic pre-release is basically completed after 3 seconds according to the RC curve, meanwhile, no touch inductance is generated on a human body, the residual voltage is less than 100 volts, when the clamp arm of the electrostatic grounding clamp is held by the hand until a clamp jaw is opened, a permanent magnet 401 is inevitably close to a normally open reed 402 to close and conduct the normally open reed 402, the human body is directly grounded to release the residual voltage, the residual voltage is very low, and no touch inductance is generated on the.

Considering that the permanent magnet 401 and the normally open reed pipe 402 constitute a proximity switch, the installation positions of the permanent magnet 401 and the normally open reed pipe 402 can be interchanged.

In addition, as an implementation scheme, the elastic cavity 1051 is made of a sub-conductor material, such as conductive rubber or plastic, and the ground resistance of the sub-conductor material is 10 mega ohm to 1000 mega ohm.

Fig. 4 is an embodiment of providing the tong arms with normally closed dry reed pipes for safely discharging human static electricity, considering that the approach (or departure) switch can also be realized by the normally closed dry reed pipes (logic design of NOT gate), at least one clamp arm of the electrostatic grounding clamp is provided with or wrapped with an elastic cavity 1051, a hand contact electrode 301 is arranged on the elastic cavity 1051, a permanent magnet 401 is fixedly arranged in an elastic cavity 1051 through a connecting part 4022, a normally closed reed switch 4021 is also arranged in the elastic cavity 1051, the hand touch electrode 301 and the permanent magnet 401 are connected together through the connecting part 4022 and can follow up, the permanent magnet 401 and the normally closed reed switch 4021 are kept close to each other by the elastic force F of 1051 and are opened, the elastic force F is smaller than the elastic force F of a pincer body spring, when the forceps arms of the electrostatic grounding forceps are held by hands until the forceps jaws are opened, the permanent magnet 401 is necessarily separated from the normally closed reed pipe to conduct the electrostatic grounding forceps, so that the hand touch electrode 301 is grounded to release human body static electricity. Considering the electrostatic grounding concept, the leakage resistance is 10 megohm-1000 megohm, and actually, the resistance of several megohms is equivalent to direct grounding (zero resistance grounding easily generates electrostatic spark), a resistor R can be set to bridge between the hand touch electrode 301 and the ground wire, and the resistance value is: 10 megohm-1000 megohm. When a clamp arm of the electrostatic grounding clamp is held by a hand, electrostatic pre-release is carried out through a hand touch electrode 301 and a resistor R, 70% of human body voltage can be pre-released in about 3 seconds according to an RC discharge curve, a human body capacitor is generally 200pF, a human body resistor is 10 kilo-ohm, a resistor R is taken as 330 mega-ohm, electrostatic pre-release is basically completed after 3 seconds according to the RC curve, meanwhile, no touch inductance is generated on a human body, the residual voltage is less than 100 volts, when the clamp arm of the electrostatic grounding clamp is held by the hand until a clamp jaw is opened, a permanent magnet 401 is inevitably far away from a normally closed reed 4021 to close and conduct the normally closed reed 4021, the human body is directly grounded to release the residual voltage, the residual voltage is very low, and no touch inductance is generated on the human.

Considering that the permanent magnet 401 and the normally open reed switch 4021 form an exit switch, the installation positions of the permanent magnet 401 and the normally closed reed switch 4021 can be interchanged.

In addition, as an implementation scheme, the elastic cavity 1051 is made of a sub-conductor material, such as conductive rubber or plastic, and the ground resistance of the sub-conductor material is 10 mega ohm to 1000 mega ohm, and the sub-conductor elastic cavity can replace the resistor R, and certainly, the resistor R can be still arranged

Fig. 5 shows a design scheme of coupling the hand touch electrode with the forceps arm through an elastic member, in the embodiments of fig. 1, 2, 3 and 4, the elastic member 1051 provides the restoring force of the grounding switch, so that an elastic member can be used instead, the hand touch electrode 301 is coupled with the forceps arm through the elastic member 3011 to form a movable arm, and when the forceps arm is held by hand, the movable arm performs the action on the contact or the switch or the permanent magnet. The elastic force f is provided by an elastic member, such as a spring, a spring plate, etc., which should be designed in consideration of the insulation between the hand touch electrode 301 and the ground wire, which is a routine process for those skilled in the art, and fig. 5 illustrates the embodiment of fig. 1, which is also applicable to the embodiments described in fig. 2, 3 and 4.

In addition, the embodiment of fig. 1, 2, 3, 4, and 5 actually discloses an electrostatic grounding clamp capable of safely discharging human body static electricity, which is characterized in that based on the design of the clamp arm of the clamp body spring, the determined event of human body grounding is ensured by using the characteristic that the elasticity of the clamp body spring is greater than the required elasticity of the grounding switch, and the large clamp jaw form of the electrostatic grounding clamp capable of safely discharging human body static electricity can be: conventional jaws, or explosion-proof jaws.

In addition, a glow discharge tube can be arranged in the electrostatic discharge loop to display the discharge process of the static electricity (in the case of meeting the explosion-proof requirement, such as explosion-proof neon bubbles).

In addition, in consideration of the pressure resistance of the reed switch, a vacuum reed switch can be adopted and the gap between electrodes is enlarged, and alternatively, the reed switch can be filled with insulating pressure-resistant oil to form an oil-immersed reed switch, for example, transformer oil is adopted, the electric strength of the transformer oil can reach more than 4000kV/cm, the components of the transformer oil mainly comprise naphthene, alkane and aromatic hydrocarbon, and the relative dielectric constant of the transformer oil is between 2.2 and 2.4. The oil-immersed reed switch has the advantages that opening or closing is delayed, and for the scheme, the delayed closing of the normally-open reed switch is beneficial to prolonging the time of electrostatic pre-release of a human body, and the delayed closing of the normally-closed reed switch is beneficial to prolonging the time of electrostatic pre-release of the human body.

The resistance value of the resistor provided by the invention can be understood as a recommended value, the protection range of the resistor is not necessarily limited, and the reference implementation is specifically carried out according to the standard of the related industry, such as GB4385-1995 (the recommended value is 100k omega-1000M omega), GB/T11210 2014 (the recommended value is not more than 300M omega), GJB 2605 1996, GB 12014 1989, and the industry standard SY/T7354-2017 (the recommended value is 10 Megaohm-1000 MegaOhm).

The above application modes and rules do not limit the basic features of the method and application of the present invention, and do not limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.