TWM603658U - Explosion-proof control device for indicating ground connection - Google Patents

Abstract

An explosion-proof control device for indicating ground connection includes a ground system safety device, an explosion-proof box body, an explosion-proof operation panel and an explosion-proof control device. The explosion-proof box body accommodates the explosion-proof control device and is combined with the explosion-proof operation panel. The ground system safety device is provided with the explosion-proof control device which electrically connects with the explosion-proof operation panel. Prior to starting an explosion-proof control operation, the ground system safety device detects a complete ground connection of the explosion-proof box body, with indicating a detection result. When an operator operates the explosion-proof operation panel, the explosion-proof operation panel indicates an operation result.

Description

Explosion-proof control device capable of indicating grounding

This creation is about an explosion-proof control device that can indicate ground connection; in particular, it is about a simplified (simplified) explosion-proof control device that can indicate ground connection; more particularly, it is about an explosion-proof control device that can indicate ground connection. The control device is combined with at least one ground clamp, and the ground clamp is connected to a ground clamp application facility (for example, a ground stake or a ground grid).

The conventional explosion-proof box structure without indicating grounding, for example, the invention patent application of the Republic of China Patent Publication No. TW-200904718 "Explosion-proof switch box", which discloses an explosion-proof switch box. The explosion-proof switch box includes a base and a box cover, and the base has a bottom plate and a side wall, and the side wall is erected around the bottom plate, and the side wall is provided with several supporting columns.

In addition, the aforementioned box cover No. TW-200904718 is used to cover the base, so as to form an accommodation space between the box cover and the base. In addition, the box cover has a first U-shaped beam, a second U-shaped beam, and a third U-shaped beam. The first U-shaped beam, a second U-shaped beam and a third U-shaped beam are formed on the box cover to cross each other, so as to form a double cross-shaped structure on the box cover. In fact, the explosion-proof switch box is not suitable for direct transfer to the explosion-proof control box structure.

In addition, the aforementioned explosion-proof switch box No. TW-200904718 has no indication of its own grounding status or its impedance status. Therefore, before starting the detection operation, an additional impedance measuring device is required to measure the protection. The grounding state or impedance state of the explosion-proof switch box itself can be manually confirmed whether the explosion-proof switch box itself is grounded.

Another conventional explosion-proof component structure without indicating grounding, such as the new patent of the Republic of China Patent Publication No. TW-534448 "Explosion-proof component", which discloses an explosion-proof component. The explosion-proof component is suitable for an electrical switch module. The electrical switch module has a switch component and a connection component, and the explosion-proof component can be correspondingly arranged between the switch component and the connection component, and the explosion-proof component can be screw-locked correspondingly to a box of an explosion-proof box wall.

In addition, the switch assembly of the aforementioned No. TW-534448 is located outside the explosion-proof box, and the connection assembly is located inside the explosion-proof box, and the switch assembly has a pressure element, and the pressure element is subjected to external force The drive corresponds to the movement. The switch assembly further has a locking element, and the electrical switch module has at least one contact element, and the contact element has a pressure element.

In addition, the explosion-proof component of the aforementioned No. TW-534448 includes a body and at least one pole. The body has a first part and a second part, and the body further has at least one through hole, and the through hole penetrates the first part and the second part, and the first part has an internal thread to be correspondingly locked to the The locking element of the switch assembly has an external thread, and the second part has an external thread to correspond to the internal thread of the screw hole of the explosion-proof box. The pole passes through the through hole, and the pole has a first end and a second end, and the first end is located on the moving path of the pressing element to be moved by the pressing element Relatively move, and push the pressure element together with the second end. In fact, the explosion-proof component is not suitable for direct transfer to the explosion-proof control box structure.

In addition, the aforementioned explosion-proof component No. TW-534448 has no indication of its own grounding state or its impedance state, so before starting the detection operation, an additional impedance measuring device is required to measure the grounding of the explosion-proof component itself. State or impedance state to manually confirm the explosion-proof component itself Whether the grounding is completed.

Another conventional explosion-proof control box structure without indicating grounding, for example, the Republic of China Patent Publication No. TW-M565937 "An explosion-proof control box structure" new patent, which discloses an explosion-proof control box and its structure. The explosion-proof control box structure includes a box structure, and at least one release stop button, at least one origin stop button, at least one step button, at least one single loop button, at least one continuous loop button, and At least one emergency stop button.

In addition, at least one air pressure pipe and at least one air pressure control unit are arranged inside the box structure of No. TW-M565937. The relief stop button is connected to the air pressure tube and the air pressure control unit, and the relief stop button is arranged on an outer side of the box structure to control a gas to perform a relief operation. The origin stop button is also connected to the air pressure tube and the air pressure control unit, and the origin stop button is arranged on the outer side of the box structure to control the action to return to the original starting point.

In addition, the stepping button of the aforementioned No. TW-M565937 is also connected to the air pressure tube and the air pressure control unit, and the stepping button is arranged on one of the outer sides of the box structure for operation and pressing to initiate an action step. The single-cycle button is also connected to the air pressure tube and the air pressure control unit, and the single-cycle button is arranged on the outer side of the box structure, so that it can be pressed once to start an operating cycle.

In addition, the continuous cycle button of the aforementioned No. TW-M565937 is also connected to the air pressure tube and the air pressure control unit, and the continuous cycle button is arranged on the outer side of the box structure for operation and press to start the continuous operating cycle . The emergency stop button is also connected to the air pressure tube and the air pressure control unit, and the emergency stop button is arranged on the outer side of the box structure to emergency stop all air pressure actions.

In addition, the aforementioned explosion-proof control box No. TW-M565937 has no indication of its own grounding state or impedance state, so it is Before the measurement operation, an additional impedance measuring device is required to measure the grounding state or impedance state of the explosion-proof control box itself to manually confirm whether the explosion-proof control box itself is grounded.

Another conventional explosion-proof control box structure without indicating grounding, for example: China Patent Publication No. CN-2076241 "Explosion-proof grounding controller" new patent, which discloses an explosion-proof grounding controller. The explosion-proof grounding controller includes an explosion-proof housing and a control circuit. The explosion-proof housing includes a base and one end cover, and the control circuit is arranged in the explosion-proof housing, and the control circuit includes a stabilized power supply circuit and a photoelectric combined control circuit. In addition, the photoelectric combined control circuit is connected to a ground clamp, and the ground clamp includes an upper electrode plate and a lower electrode plate.

In addition, the aforementioned explosion-proof grounding controller No. CN-2076241 does not indicate its own grounding status or its impedance state at all. Therefore, before starting the detection operation, an additional impedance measuring device is required to measure the explosion-proof grounding control. The grounding state or impedance state of the device itself, to manually confirm whether the explosion-proof grounding controller itself is grounded.

However, the aforementioned ROC Patent Publication No. TW-200904718, Republic of China Publication No. TW-534448, No. TW-M565937, and China Patent Publication No. CN-2076241 have disclosed various explosion-proof box structures, explosion-proof components, and explosion-proof control boxes. However, it still has the technical disadvantage that it cannot detect its own grounding state or impedance state, and it also has the technical disadvantage that it cannot simplify the structure of the explosion-proof control device.

Therefore, the conventional explosion-proof box structure, explosion-proof components, and explosion-proof control box structure must have potential requirements for further improvement, such as detecting the grounding state or impedance state of itself and simplifying the overall structure. The aforementioned patent applications and patents are only a reference for the technical background of this creation and an explanation of the current state of technology development, and they are not intended to limit the scope of this creation.

In view of this, in order to meet the above needs, this creation provides an explosion-proof control device that can indicate grounding, which is equipped with an explosion-proof operation panel On an explosion-proof box, an explosion-proof control circuit device is arranged in the explosion-proof box, and a grounding system safety device is arranged on the explosion-proof control circuit device. Before the detection operation is started, the grounding system safety device is used Detect whether a grounding system and the explosion-proof box itself are completely grounded, and display a grounding detection result on the explosion-proof operation panel, and the explosion-proof control circuit device is further connected to the explosion-proof operation panel, so that the explosion-proof operation panel can be operated through the explosion-proof operation panel. The circuit device is controlled, and an explosion-proof operation result is displayed on the explosion-proof operation panel. Compared with the conventional explosion-proof control box structure, it has the functions of detecting whether it is grounded, simplifying the overall structure, facilitating operation and improving operation safety.

The main purpose of this creation is to provide an explosion-proof control device that can indicate grounding. An explosion-proof operation panel is arranged on an explosion-proof box, and an explosion-proof control circuit device is arranged in the explosion-proof box, and a grounding system is safe The device is arranged in the explosion-proof control circuit device. Before the detection operation is started, the grounding system safety device is used to detect whether a grounding system and the explosion-proof box itself are grounded, and a grounding detection result is displayed on the explosion-proof operation panel, And the explosion-proof control circuit device is further connected to the explosion-proof operation panel, so that the explosion-proof control circuit device can be operated through the explosion-proof operation panel, and an explosion-proof operation result is displayed on the explosion-proof operation panel, so as to realize whether the grounding is completed and simplify The purpose of overall structure, convenient operation and improving operation safety.

In order to achieve the above-mentioned purpose, the explosion-proof control device capable of instructing grounding of the preferred embodiment of this creation includes:

A grounding system safety device, which is connected to a grounding system, and before starting the detection operation, the grounding system safety device is used to detect whether the grounding is completed;

An explosion-proof box, which includes an outer shell, an accommodating space and an opening;

At least one explosion-proof operation panel, which is assembled on the opening of the explosion-proof box; and

At least one explosion-proof control circuit device, which is fixedly arranged in the containing space of the explosion-proof box, the grounding system safety device is arranged in the explosion-proof control circuit device, and the explosion-proof control circuit device is connected to the explosion-proof operation panel;

Before starting the detection operation, the grounding system safety device is used to detect whether the grounding system and the explosion-proof box itself are grounded, and display a grounding detection result; and

When an operator operates the explosion-proof control circuit device through the explosion-proof operation panel, an explosion-proof operation result is displayed on the explosion-proof operation panel.

In order to achieve the above-mentioned purpose, the explosion-proof control device capable of instructing grounding of another preferred embodiment of this creation includes:

A grounding system safety device, which is connected to a grounding system, and before starting the detection operation, the grounding system safety device is used to detect whether the grounding is completed;

An explosion-proof box, which includes an outer shell, an accommodating space and an opening;

At least one explosion-proof operation panel, which is assembled on the opening of the explosion-proof box;

At least one explosion-proof control circuit device, which is fixedly arranged in the accommodating space of the explosion-proof box, the grounding system safety device is arranged on the explosion-proof control circuit device, and the explosion-proof control circuit device is connected to the explosion-proof operation panel; and

At least one grounding clamp device is electrically connected to the grounding system safety device and the explosion-proof control circuit device, and the grounding system safety device is used to detect the grounding system and the explosion-proof box before the detection operation is started through the grounding clamp device Whether the body itself is grounded, and a grounding test result is displayed;

When an operator operates the explosion-proof control circuit device or the grounding clamp device through the explosion-proof operation panel, an explosion-proof operation result is displayed on the explosion-proof operation panel.

The ground detection result of the preferred embodiment of the present invention includes a safety ground signal or a non-safe ground signal.

The grounding detection result of the preferred embodiment of the invention generates a safety ground signal or an unsafe ground signal according to a safety impedance value.

When the impedance value of the grounding system and the explosion-proof box of the preferred embodiment of the invention is lower than a safe impedance value, the grounding detection result is a safe grounding signal.

When the impedance value of the grounding system and the explosion-proof cabinet of the preferred embodiment of the invention is higher than a safe impedance value, the grounding detection result is an unsafe grounding signal.

The explosion-proof box of the preferred embodiment of the invention includes at least one buzzer or at least one buzzer device, and the buzzer or buzzer device is electrically connected to the grounding system safety device and the explosion-proof control circuit device.

The explosion-proof operation panel of the preferred embodiment of the invention includes at least one indicator light or at least one indicator light group, and the indicator light or indicator group is connected to the grounding system safety device and the explosion-proof control circuit device.

The grounding system safety device of the preferred embodiment of the invention includes a resistance ring device.

The explosion-proof control circuit device of the preferred embodiment of the invention includes a control motherboard, and the grounding system safety device is selectively configured to detect the control motherboard.

The explosion-proof box of the preferred embodiment of the present invention includes at least one fixing piece or at least one fixing device for fixing the explosion-proof box at a predetermined position.

The explosion-proof box of the preferred embodiment of the present invention includes at least one pivoting member or at least one pivoting device to pivotally connect the explosion-proof operation panel to On the explosion-proof box.

In the preferred embodiment of the present invention, the explosion-proof box is selected from an explosion-proof base, and the explosion-proof operation panel is selected from an explosion-proof cover.

The explosion-proof operation panel of the preferred embodiment of the invention includes at least one switch button or at least one tempered glass window.

The switch button of the preferred embodiment of the invention can be selected from an emergency stop switch button, an operation switch button, a light switch button, a test switch button, a multi-stage selection switch button, a key selection switch button or other function switches Button.

At least one sealing element or at least one sealing ring is arranged between the explosion-proof operation panel and the explosion-proof box in the preferred embodiment of the invention.

The sealing element or sealing ring of the preferred embodiment of the invention is made of rubber, silicon rubber or other materials with similar good sealing function.

The explosion-proof operation panel and explosion-proof box body of the preferred embodiment of the invention are made of a metal material (for example: stainless steel, aluminum alloy or other rust-resistant, pressure-resistant, and flame-proof metal materials).

1: Grounding system safety device

10: Explosion-proof box

11: pivot

12: Combined through hole

120: closed plug

13: Fixing device

14: Seal

15: Buzzer device

20: Explosion-proof operation panel

21: Indicator group

22: closed assembly

23: switch button

30: Explosion-proof control circuit device

A: Grounding system

B: Grounding clamp device

Figure 1: An exploded perspective view of the explosion-proof control device capable of instructing grounding of the first preferred embodiment of this creation.

Figure 1A: A schematic diagram of the structure of the grounding system safety device used in the explosion-proof control device that can instruct the grounding of the preferred embodiment of this creation.

Figure 2: A combined perspective view of the explosion-proof control device capable of instructing grounding of the first preferred embodiment of the creation.

Figure 3: The combined front view of the explosion-proof control device capable of instructing grounding of the first preferred embodiment of this creation.

Figure 4: An exploded perspective view of the explosion-proof control device capable of instructing grounding of the second preferred embodiment of this creation.

Figure 5: Explosion-proof control with instructable grounding of the second preferred embodiment of this creation The combined perspective view of the manufacturing device.

Figure 6: The front view of the explosion-proof control device capable of instructing grounding of the second preferred embodiment of the creation.

Figure 7: An exploded perspective view of the explosion-proof control device capable of instructing grounding according to the third preferred embodiment of this creation.

Figure 8: A combined perspective view of the explosion-proof control device capable of instructing grounding according to the third preferred embodiment of this creation.

Figure 9: A front view of the combination of the explosion-proof control device capable of instructing grounding of the third preferred embodiment of this creation.

In order to fully understand the creation, preferred embodiments are exemplified below and described in detail with the accompanying drawings, and they are not intended to limit the creation.

The explosion-proof control device capable of instructing grounding and its operation method of the preferred embodiment of this creation are suitable for various explosion-proof boxes, various explosion-proof cabinets, various pressure-resistant explosion-proof boxes, various pressure-resistant explosion-proof control operation boxes, various pressure-resistant explosion-proof junction boxes, various Explosion-proof switch boxes or other forms of explosion-proof electrical control devices (such as wall-mounted explosion-proof electrical control devices or telephone booth-type explosion-proof electrical control devices), but they are not used to limit the scope of application of this creation.

The explosion-proof control device capable of instructing grounding and its operation method of the preferred embodiment of this creation are suitable for various industrial purposes, and it is suitable for installation in various industries, such as petrochemical industry [e.g. petroleum refinery or mid-downstream chemical plant] , Power generation industry (e.g. nuclear power plant, thermal power plant, hydropower plant or cogeneration plant), water supply industry (e.g. water treatment plant or wastewater treatment plant), steel industry (e.g. steel plant, cold and hot rolling steel plant) , Steel product processing plants or other metal processing plants], oil mining (e.g. coal mines, iron ore yards or oil well areas) or other industries or public places (e.g. electronics factories, paper mills, ports or mass transit systems) , But it is not used to limit the scope of application of this creation.

Explosion-proof control with instructable grounding of the preferred embodiment of the invention The device and its operation method are suitable for high-risk, high-noise, and harsh working places. The so-called hazardous area is the air that may contain combustible substances, including flammable gasses and flammable vapors. ], flammable dusts [flammable dusts], flammable suspended fibers [flammable suspended fibers] or their mixture [mixture].

The structure and operation method of the explosion-proof control device that can instruct the grounding of the preferred embodiment of this creation can choose to adopt the technical terms "explosion-proof control device", "explosion-proof control operation device", "static explosion-proof control device", "anti-static explosion-proof control device" "Or other explosion-proof control devices with similar anti-static functions, but they are not intended to limit the scope of this creation.

The structure and operation method of the explosion-proof control device that can indicate the grounding of the preferred embodiment of this creation can choose to adopt the technical terms "grounding system safety device", "grounding system safety detection device", "grounding system safety unit", "grounding system safety" Detection unit" or other devices with similar grounding system detection safety function, but it is not used to limit the scope of this creation.

Figure 1 shows an exploded perspective view of the explosion-proof control device capable of instructing grounding of the first preferred embodiment of the invention. Figure 1A shows a schematic diagram of the structure of the grounding system safety device used in the explosion-proof control device capable of instructing the grounding of the preferred embodiment of the invention, which is configured in the explosion-proof control device of Figure 1. Figure 2 shows a combined three-dimensional view of the explosion-proof control device capable of instructing grounding of the first preferred embodiment of the invention, which corresponds to the explosion-proof control device of Figure 1. Figure 3 shows the combined front view of the explosion-proof control device capable of instructing grounding of the first preferred embodiment of the invention, which corresponds to the explosion-proof control device of Figures 1 and 2.

Please refer to Figures 1, 1A, 2 and 3, the explosion-proof control device capable of instructing grounding in the first preferred embodiment of this creation includes a ground system safety device (ground system safety device) 1, an explosion-proof box (explosion) -proof box body] 10, an explosion-proof operation panel [explosion-proof operation panel] 20 and an explosion-proof control circuit device An [explosion-proof control device] 30 is set, and the explosion-proof box 10, the explosion-proof operation panel 20, and the explosion-proof control circuit device 30 are appropriately assembled to form the explosion-proof control device.

Please refer to Figures 1, 2 and 3 again. For example, the explosion-proof control device capable of instructing grounding in the first preferred embodiment of this creation is connected to a grounding system A and its related grounding loops by appropriate technical means, and In addition, it is connected to a grounding clamp device B by appropriate technical means, and the grounding clamp device B is used to connect a tank truck equipment, an equipment to be eliminated static electricity or equipment with similar requirements.

Please refer to Figures 1 and 1A again. For example, the grounding system safety device 1 is connected to the grounding system A (or tank truck grounding system or other grounding system with explosion-proof function) by appropriate technical means, and is selected in Before starting the detection operation, the grounding system safety device 1 is used to detect whether the grounding system A, the explosion-proof box 10, the explosion-proof operation panel 20, and the explosion-proof control circuit device 30 have completed grounding or other industrial safety inspection requirements.

Please refer to Figures 1 and 1A again. For example, before starting the detection operation and before the grounding system safety device 1 is tested, you can choose to properly connect the grounding clamp device B to the grounding system A or Any other ground terminal, such as one of the tank truck equipment ground terminals, but it is not used to limit the scope of this creation.

Please refer to Figures 1 and 1A again. For example, the grounding system safety device 1 is configured on the explosion-proof control circuit device 30 by appropriate technical means. At the same time, the grounding clamp device B is electrically connected to the grounding system safety device 1 and the explosion-proof control circuit device 30 by appropriate technical means, and the grounding clamp device B is connected to the grounding system safety device 1 and the explosion-proof control circuit device 30 by appropriate technical means (for example: automatic, semi-automatic or manual) One of the tank truck equipment is grounded.

Please refer to Figures 1 and 1A again. For example, after the grounding clamp device B is connected to the grounding terminal of the tank truck equipment, the grounding system safety device 1 is used to detect the Grounding system A and whether the explosion-proof box body 10, the explosion-proof operation panel 20 and the explosion-proof control circuit device 30 themselves are grounded, and a grounding detection result is displayed.

Please refer to Figures 1 and 1A again. For example, the ground detection result includes a safety ground signal or a non-safety ground signal, and the ground detection result generates the safety ground signal or non-safety ground signal according to a safety impedance value Signal. For example: when the impedance value of the grounding system A and the explosion-proof box 10 is lower than the safety impedance value, the grounding detection result is the safety grounding signal to display a safety signal or a normal signal, and it can optionally provide a delay Signal, for example: up to 30 seconds or other seconds; on the contrary, when the impedance value of the grounding system A and the explosion-proof box 10 is higher than the safe impedance value, the grounding detection result is the non-safety grounding signal to display a warning signal Or an abnormal signal.

Please refer to Figures 1 and 1A again. For example, when the grounding system safety device 1 detects whether the grounding system A, explosion-proof box 10, explosion-proof operation panel 20, and explosion-proof control circuit device 30 themselves are grounded, the The grounding system safety device 1 can choose automatic, semi-automatic or manual mode to determine whether the loop of the grounding system A is less than the safety impedance value (for example: 5Ω) and to determine whether the grounding system A is normal, as shown in the middle position of Figure 1A .

Please refer to Figures 1, 2 and 3 again. For example, the explosion-proof box 10 is selected from an explosion-proof base or a base body with similar explosion-proof or anti-explosion functions, and the explosion-proof box 10 is selected from a The first metal material (for example: stainless steel, aluminum alloy or other rust-resistant, pressure-resistant, flame-proof metal materials). In addition, the explosion-proof box 10 includes an outer shell (not labeled), a accommodating space [not labeled], and an opening (not labeled), and the explosion-proof box 10 can be selected from a box box or a rectangular box. Boxes or boxes of other shapes (for example: oval or polygonal boxes).

Please refer to Figures 1, 2 and 3 again. For example, the explosion-proof box 10 includes a number of combined through holes (through holes) 12 or spare Combine a through hole and a plurality of sealing plug members 120, and the combined through hole 12 is connected to the containing space of the explosion-proof box 10, and the sealing plug member 120 is appropriately and tightly inserted into the combination. For example: screwing] in the combined through hole 12 so as to properly seal the containing space of the explosion-proof box 10.

Please refer to Figures 1, 2 and 3 again. For example, the explosion-proof box 10 includes at least one or several fixing members or at least one or several fixing devices 13 for proper fixing (for example: Clamping or locking] The explosion-proof box 10 is placed on a predetermined position (for example, a wall or an explosion-proof operating booth).

Please refer to Figures 1, 2 and 3 again. For example, a plurality of the fixing devices 13 or fixing pieces are selectively arranged at the four corners of the explosion-proof box 10, and a plurality of the fixing devices 13 or The fixing piece is selectively locked on the back of the explosion-proof box 10. In addition, the fixing device 13 or the fixing piece is made of a metal material (for example: stainless steel, aluminum alloy or other rust-resistant metal material) or a non-metal material.

Please refer to Figures 1, 2 and 3 again. For example, the explosion-proof operation panel 20 is selected from an explosion-proof cover or a cover body with similar explosion-proof or anti-explosion functions, and the explosion-proof operation panel 20 is selected from a The second metal material (for example: stainless steel, aluminum alloy or other corrosion-resistant, pressure-resistant, flame-proof metal materials). In addition, the explosion-proof operation panel 20 includes an outer surface [not marked] and an inner surface [not marked], and the explosion-proof operation panel 20 can be selected from a block plate, a rectangular plate or other shapes. For example: oval plate or polygonal plate].

Please refer to Figure 1 again. For example, the explosion-proof box 10 includes at least one pivoting member 11 or at least one pivoting device (for example: hinge device), so that the explosion-proof operation panel 20 can be properly pivoted. Connect [pivotal connection] to the explosion-proof box 10 so that you can choose to operate from the explosion-proof box 10 to open the explosion-proof operation panel 20, or select the The explosion operation panel 20 covers the opening of the explosion-proof box 10.

Please refer to Figures 1, 1A, 2 and 3 again. For example, according to the first preferred embodiment of the invention, the explosion-proof operation panel 20 may include at least one indicator light and at least one Indicator light set 21, at least one tempered glass window or other indicator.

Please refer to Figures 1, 1A, 2 and 3 again. For example, the indicator group 21 chooses to include a red indicator, a yellow indicator, a green indicator, or other color indicators, that is, they form a Warning indicator light, a safety indicator light or a power indicator light, so the indicator group 21 is suitable for combining with a pressure-resistant explosion-proof tank truck grounding system, and several indicator lights of the indicator group 21 are properly arranged on the explosion-proof operation panel 20 on the outside surface.

Please refer to Figures 1, 2 and 3 again. For example, the explosion-proof operation panel 20 includes at least an assembly hole (assembling hole) or a spare assembly hole and a number of closed assembly members (assembling members) 22 or closures, and The combination hole of the explosion-proof operation panel 20 communicates with the accommodating space of the explosion-proof box 10, and the enclosed assembly 22 or the corresponding closure is appropriately and tightly inserted into the assembly (for example, screwed) into the assembly hole or spare Combine holes to properly seal the containing space of the explosion-proof box 10.

Please refer to Figures 1, 1A, 2 and 3 again. For example, the explosion-proof control circuit device 30 includes a control motherboard and other electronic equipment, and the explosion-proof control circuit device 30 is fixedly arranged in the explosion-proof box 10 The explosion-proof control circuit device 30 is electrically connected to the indicator group 21 of the explosion-proof operation panel 20 or other photoelectric or electronic equipment (equipment).

Please refer to Figures 1, 1A, 2 and 3 again. For example, the indicator group 21 or indicator is connected to the grounding system safety device 1 and the explosion-proof control circuit device 30 by appropriate technical means. In addition, the grounding system safety device 1 can optionally include a resistance ring device, and the grounding system safety device 1 The entire device 1 can be configured to detect the control motherboard or other configuration components of the explosion-proof control circuit device 30 with appropriate technical means.

Please refer to Figures 1, 2 and 3 again. For example, at least one seal 14 or at least one sealing ring is arranged between the explosion-proof operation panel 20 and the explosion-proof box 10 to properly seal the explosion-proof box 10 and A circumferential edge gap (gap) formed by the connection between the explosion-proof operation panels 20, and the sealing member 14 or the sealing ring is selected to be made of rubber, silicone or other materials with similar good sealing functions.

Please refer to Figures 1, 2 and 3 again. For example, when an operator (not shown) operates the explosion-proof control circuit device 30 through the explosion-proof operation panel 20, and operates the explosion-proof control circuit device 30 according to various operating conditions. The operation panel 20 displays an explosion-proof operation result on the explosion-proof operation panel 20 in an automatic or semi-automatic manner.

Please refer to Figure 1 again. For example, the explosion-proof control device capable of instructing grounding in another preferred embodiment of this creation further includes at least one grounding clamp device (not labeled), and the grounding clamp device is electrically connected to The explosion-proof control circuit device 30. When the operator operates the explosion-proof control circuit device 30 or the grounding clamp device via the explosion-proof operation panel 20, a grounding explosion-proof operation result is displayed on the explosion-proof operation panel 20 in an automatic or semi-automatic manner.

Figure 4 shows an exploded perspective view of the explosion-proof control device capable of instructing grounding according to the second preferred embodiment of the invention. Fig. 5 shows a combined perspective view of the explosion-proof control device capable of instructing grounding according to the second preferred embodiment of the creation, which corresponds to the explosion-proof control device of Fig. 4. Figure 6 shows the combined front view of the explosion-proof control device capable of instructing grounding according to the second preferred embodiment of the invention, which corresponds to the explosion-proof control device in Figures 4 and 5. Please refer to Figures 1A, 4, 5, and 6, compared to the first embodiment, the explosion-proof control device capable of instructing grounding in the second preferred embodiment of the present invention includes at least one or several switch buttons 23 or other buttons.

Please refer to Figures 1A, 4, 5, and 6, for example, according to various needs, the switch button 23 can be selected from an emergency stop switch button, an operation switch button, a light switch button, and a test Switch button, a multi-stage selection switch button, a key selection switch button or other function switch buttons.

Figure 7 shows an exploded perspective view of the explosion-proof control device capable of instructing grounding according to the third preferred embodiment of the invention. Figure 8 shows a combined perspective view of the explosion-proof control device capable of instructing grounding according to the third preferred embodiment of the creation, which corresponds to the explosion-proof control device of Figure 7. Figure 9 shows a combined front view of the explosion-proof control device capable of instructing grounding according to the third preferred embodiment of the invention, which corresponds to the explosion-proof control device of Figures 7 and 8. Please refer to Figures 1A, 7, 8, and 9, compared to the first embodiment, the explosion-proof control device capable of instructing grounding in the third preferred embodiment of the present invention includes at least one buzzer and at least one buzzer device 15. At least one alarm device or other device with warning or alarm function. In addition, the buzzer device 15 (or buzzer or alarm device) is electrically connected to the grounding system safety device 1 and the explosion-proof control circuit device 30 by appropriate technical means, and the buzzer device 15 can provide a predetermined Time warning sound, for example: 3 seconds to 10 seconds.

Please refer to Figures 1A, 7, 8 and 9, for example, the alarm device, buzzer or buzzer device 15 is selected and arranged in an appropriate position of the explosion-proof box 10 (for example: combination The through hole 12 or the spare combined through hole], and the alarm device, buzzer or buzzer device 15 is selectively electrically connected to the explosion-proof control circuit device 30.

The foregoing preferred embodiments only illustrate this creation and its technical features. The technology of this embodiment can still be implemented with various substantially equivalent modifications and/or alternatives; therefore, the scope of rights of this creation shall be subject to patent application. The scope defined by the scope shall prevail. The copyright in this case is restricted to the use of patent applications in the Republic of China.

1: Grounding system safety device

10: Explosion-proof box

11: pivot

12: Combined through hole

120: closed plug

13: Fixing device

14: Seal

20: Explosion-proof operation panel

21: Indicator group

22: closed assembly

30: Explosion-proof control circuit device

A: Grounding system

B: Grounding clamp device

Claims (10)

An explosion-proof control device capable of indicating grounding, which includes: A grounding system safety device, which is connected to a grounding system, and before starting the detection operation, the grounding system safety device is used to detect whether the grounding is completed; An explosion-proof box including an outer shell, an accommodating space and an opening; at least one explosion-proof operation panel, which is assembled on the opening of the explosion-proof box; and At least one explosion-proof control circuit device, which is fixedly arranged in the containing space of the explosion-proof box, the grounding system safety device is arranged in the explosion-proof control circuit device, and the explosion-proof control circuit device is connected to the explosion-proof operation panel; Before starting the detection operation, the grounding system safety device is used to detect whether the grounding system and the explosion-proof box itself are grounded, and display a grounding detection result; and When an operator operates the explosion-proof control circuit device through the explosion-proof operation panel, an explosion-proof operation result is displayed on the explosion-proof operation panel. An explosion-proof control device capable of indicating grounding, which includes: A grounding system safety device, which is connected to a grounding system, and before starting the detection operation, the grounding system safety device is used to detect whether the grounding is completed; An explosion-proof box including an outer shell, an accommodating space and an opening; at least one explosion-proof operation panel, the combination of which is arranged on the opening of the explosion-proof box; At least one explosion-proof control circuit device, which is fixedly arranged in the accommodating space of the explosion-proof box, the grounding system safety device is arranged on the explosion-proof control circuit device, and the explosion-proof control circuit device is connected to the explosion-proof operation panel; and At least one grounding clamp device is electrically connected to the grounding system safety device and the explosion-proof control circuit device, and the grounding system safety device is used to detect the grounding system and explosion-proof through the grounding clamp device before the start of the detection operation Whether the box itself is grounded, and a grounding test result is displayed; When an operator operates the explosion-proof control circuit device or the grounding clamp device through the explosion-proof operation panel, an explosion-proof operation result is displayed on the explosion-proof operation panel. The explosion-proof control device capable of indicating grounding according to item 1 or 2 of the scope of patent application, wherein the grounding detection result includes a safety ground signal or a non-safe ground signal. The explosion-proof control device capable of indicating grounding according to item 1 or 2 of the scope of patent application, wherein the grounding detection result generates a safety ground signal or a non-safe ground signal according to a safety impedance value. According to the explosion-proof control device that can indicate grounding according to item 1 or 2 of the scope of patent application, when the impedance value of the grounding system and the explosion-proof box is lower than a safe impedance value, the grounding detection result is a safety grounding signal. According to the explosion-proof control device that can indicate grounding according to item 1 or 2 of the scope of patent application, when the impedance value of the grounding system and the explosion-proof box is higher than a safe impedance value, the grounding detection result is an unsafe grounding signal. The explosion-proof control device capable of indicating grounding according to item 1 or 2 of the scope of patent application, wherein the explosion-proof cabinet contains at least one buzzer or at least one buzzer device, and the buzzer or buzzer device is electrically It is connected to the grounding system safety device and explosion-proof control circuit device. The explosion-proof control device capable of indicating grounding according to item 1 or 2 of the scope of patent application, wherein the explosion-proof operation panel includes at least one indicator lamp or at least one indicator group, and the indicator lamp or indicator group is connected to the grounding system Safety device and explosion-proof control circuit device. The explosion-proof control device capable of indicating grounding according to item 1 or 2 of the scope of patent application, wherein the grounding system safety device includes a resistance ring device. According to the explosion-proof control device capable of instructing grounding according to item 1 or 2 of the scope of patent application, the explosion-proof control circuit device includes a control motherboard, and the grounding system safety device is selectively configured to detect the control motherboard.

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