Capacitive explosion-proof key

Abstract

The utility model discloses a capacitive explosion-proof button, which comprises a capacitor installation seat, the bottom surface of the capacitor installation seat is electrically connected with a group of electric connection insertion rods, the bottom surface of the capacitor installation seat is fixedly provided with an automatic switch circuit breaker, and the bottom surface of the automatic switch circuit breaker is electrically connected with a current measuring instrument. According to the device, the capacitor mounting base, the current measuring instrument and the automatic switch circuit breaker are arranged, the device can be electrically connected with the mounting device conveniently through the electric connection insertion rod, in addition, the automatic switch circuit breaker is combined, the electric connector can be powered off and powered on conveniently and automatically, the explosion-proof effect of the device is improved, and the practicability of the device is improved. According to the invention, the external thread key can be conveniently knocked and rebounded by using the sliding connection of the T-shaped sliding rod and the sliding hole, the resilience force of the telescopic spring and the matching of the conductive sheet and the electric connector, and meanwhile, the external thread key can be knocked more smoothly, and the functionality of the equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of key, especially a capacitive explosion -proof key. BACKGROUND

[0002] Current air conditioner as widely used in various industrial fields important equipment, often need to run in the dangerous environment with explosive gas, dust or high temperature, for example, oil chemical plant, coal mine, oil and gas exploitation etc.

[0003] Traditional air conditioning equipment usually adopts mechanical button or ordinary touch key to control, but these key systems often have poor durability, poor contact, operation error or fault may cause safety problems, especially in the explosion -proof environment, the safety of the material quality, structure and electrical performance of the key must be strictly controlled, the capacitive key because of no mechanical wear, response sensitive and strong durability, become the preferred of modern control system, however, the existing capacitive key in the application of explosion -proof environment has electric field interference, electrical fault and static electricity accumulation Potential safety hazards, therefore, we propose a capacitive explosion -proof key to solve the above problems. SUMMARY

[0004] The utility model discloses a capacitive explosion -proof key to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A capacitive explosion -proof key, including the capacitor mounting seat, the bottom surface of capacitor mounting seat is electrically connected with a group of electric connection plug rod, the bottom surface of capacitor mounting seat is fixedly installed with automatic switch circuit breaker, the bottom surface of automatic switch circuit breaker is electrically connected with current measuring instrument, the outer surface of current measuring instrument is electrically connected with a group of guide line, and the end of each guide line away from current measuring instrument is electrically connected with electric connection plug rod, the upper surface of capacitor mounting seat is electrically connected with electric connector, the upper surface of capacitor mounting seat is equipped with a group of sliding holes, and the inner wall of each sliding hole is slidably connected with T type sliding rod, the outer surface of each T type sliding rod is sleeved with telescopic spring, and the top of a group of T type sliding rods is fixedly connected with the outer thread key body in common, and the bottom surface of outer thread key body is fixedly installed with conducting sheet.

[0007] In further embodiments, the top end of the telescopic spring is fixedly connected with the bottom surface of the outer thread key body, and the bottom end of the telescopic spring is fixedly connected with the upper surface of the capacitor mounting seat.

[0008] In further embodiments, the outer threaded key body is provided with an inner threaded positioning cap above the outer threaded key body, and the inner threaded positioning cap is matched with the outer threaded key body.

[0009] In further embodiments, the outer threaded key body is provided with a prompt number below the outer threaded key body, and the prompt number is matched with the outer threaded key body and the inner threaded positioning cap.

[0010] In further embodiments, the upper surface of the inner threaded positioning cap is fixedly connected with an annular prompt sticker, and the outer surface of the annular prompt sticker is sprayed with a wear-resistant layer.

[0011] In further embodiments, the upper surface of the inner threaded positioning cap is provided with an anti-skid pattern, and the inner threaded positioning cap is made of plastic.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、The device is provided with a capacitor mounting seat, an electric connection plug rod, a guide wire, a current measuring instrument and an automatic switch circuit breaker, the electric connection plug rod can be used for electrically connecting the device and the installation device, the capacitor mounting seat, the guide wire and the current measuring instrument can be used for conveniently measuring the current conducted by the electric connection plug rod, the automatic switch circuit breaker can be used for conveniently automatically switching off and on the electric connector, the explosion-proof effect of the device is improved, the current instability does not affect the safety of the electric connector and the conductive sheet, the explosion-proof shell, the anti-electromagnetic interference and the explosion-proof circuit design can greatly reduce the risk of explosion accidents caused by equipment failure or improper operation, ensure the safety of the air conditioning equipment in the explosive gas or dust environment, the capacitive key system is designed by accurately sensing the capacitance, the traditional mechanical key is avoided to cause the misoperation due to wear, poor contact and other problems, the stability and reliability of the key are improved, and the long-term stable operation of the air conditioner is ensured, since the capacitive key does not have a mechanical structure, the maintenance and replacement frequency caused by wear, dust accumulation and other reasons are reduced, the maintenance cost of the air conditioning equipment is reduced, the non-contact operation, the quick response and the accurate feedback make the user more convenient and comfortable when operating the air conditioner, and the long-term stable operation of the key system is ensured, the capacitive explosion-proof key system of the patent passes the international explosion-proof certification, meets the high requirements of equipment safety in the explosion-proof environment, and can be widely applied to dangerous places such as petroleum, chemical industry and mine.

[0014] 2、The device is provided with a sliding hole, a telescopic spring, an outer threaded key body, a T-shaped sliding rod, a conductive sheet and an electric connector, the T-shaped sliding rod is slidably connected with the sliding hole, the telescopic spring has a rebound force, the conductive sheet is matched with the electric connector, the outer threaded key body can be conveniently knocked and rebounded, the knocking is smoother, and the functionality of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic view of the stereogram of the capacitor mounting seat in the capacitive explosion-proof button.

[0016] Figure 2 It is the sectional view of the front view of the threaded positioning cap in the capacitive explosion-proof button.

[0017] Figure 3 It is the top view of the threaded positioning cap in the capacitive explosion-proof button.

[0018] Figure 4 It is the capacitive explosion-proof button Figure 2 The structure schematic view of the local amplification at A.

[0019] In the figure: 1, capacitor mounting seat; 2, electric connecting rod; 3, guide line; 4, current measuring instrument; 5, automatic switch breaker; 6, electric connector; 7, sliding hole; 8, telescopic spring; 9, outer thread button body; 10, threaded positioning cap; 11, annular prompt sticker; 12, prompt number; 13, conductive sheet; 14, T-shaped sliding rod. DETAILED DESCRIPTION

[0020] In the description of the present application, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can be explicitly or implicitly included one or more. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0021] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-4The utility model discloses a kind of capacitive explosion-proof buttons, including capacitor mounting seat 1, the bottom surface of capacitor mounting seat 1 is electrically connected with a group of electric connection plug rod 2, automatic switch circuit breaker 5 is fixedly installed on the bottom surface of capacitor mounting seat 1, the bottom surface of automatic switch circuit breaker 5 is electrically connected with current measuring instrument 4, the outer surface of current measuring instrument 4 is electrically connected with a group of guide wire 3, the end of each guide wire 3 away from current measuring instrument 4 is electrically connected with electric connection plug rod 2, the upper surface of capacitor mounting seat 1 is electrically connected with electric connector 6, the upper surface of capacitor mounting seat 1 is set with a group of sliding hole 7, the inner wall of each sliding hole 7 is slidably connected with T type sliding rod 14, the outer surface of each T type sliding rod 14 is sleeved with telescopic spring 8, the top of a group of T type sliding rod 14 is fixedly connected with outer thread button body 9 in common, the bottom surface of outer thread button body 9 is fixedly installed with conducting strip 13, using electric connection plug rod 2 can be conveniently connected with the equipment and installation equipment electricity, and cooperate capacitor mounting seat 1, guide wire 3 and current measuring instrument 4, can be conveniently measured the current conducted by electric connection plug rod 2, in addition, combined with automatic switch circuit breaker 5, can be conveniently powered off and power on electric connector 6 automatically, it improves the explosion-proof effect of the equipment, avoids the safe appearance of its current unstable influence electric connector 6 and conducting strip 13, using T type sliding rod 14 and sliding hole 7 sliding connection, the resilience of telescopic spring 8, conducting strip 13 is adapted to electric connector 6, it can be conveniently knocked and rebounded to outer thread button body 9, it can also be knocked more smoothly, and improve the functionality of the equipment, outer thread button body 9 is composite ceramic, has waterproof, dustproof, corrosion resistance and other functions, capacitor mounting seat 1 is covered with transparent and having anti-explosion performance protective layer (such as high-temperature resistant glass or transparent ceramic), to avoid external substances (such as dust, liquid, etc.) to enter, prevent capacitive sensing failure, the design ensures the sensitivity and stability of the button, even in the environment with more dust or humidity, the button can still be accurately operated, capacitor mounting seat 1 uses built-in electromagnetic shielding technology, effectively shields external electromagnetic interference, avoids the button function abnormal in high electromagnetic interference environment, explosion-proof air conditioner usually operates in complex industrial environment, electromagnetic interference is a security risk that cannot be ignored, the design of the patent can ensure the stability and accuracy of the button, capacitive button is embedded with unique explosion-proof circuit module, to prevent short circuit, overcurrent or overvoltage caused by circuit failure, and can automatically power off or switch to safety mode, if the circuit is abnormal, the system will detect in time and trigger alarm, ensure the safety of equipment operation, capacitive button uses low-power design, reduces electrical spark caused by excessive current, in addition, by optimizing circuit design, improve the anti-static ability of the button, prevent static accumulation from causing sparks or electrical failure, ensure the safety of air conditioning equipment in explosion-proof environment, the capacitive button system of the patent, the operating part of the button is designed as high-temperature-resistant and corrosion-resistant structure, which can effectively avoid button failure caused by harsh operating environment, the surface of the button is designed with wear-resistant and oil-resistant coating,Adapt to the harsh environment of chemical plant, oil drilling platform, etc., the button system can be equipped with LED indicator light or audio feedback device, the user can get feedback in real time when pressing the button, to ensure the correctness of the operation, in addition, the system has an abnormal condition alarm function, such as high temperature, voltage anomaly, etc., the user can get warning in the first time, prevent the occurrence of safety accidents, use explosion-proof glass and use epoxy resin to pour to meet the technical requirements of explosion-proof pouring.

[0024] The top end of the telescopic spring 8 is fixedly connected with the bottom surface of the outer thread button body 9, and the bottom end of the telescopic spring 8 is fixedly connected with the upper surface of the capacitor mounting seat 1, which can improve the rebound effect of the outer thread button body 9, and the upper surface of the outer thread button body 9 is provided with an inner thread positioning cap 10, the inner thread positioning cap 10 is matched with the outer thread button body 9, and the inner thread positioning cap 10 can conveniently protect the outer thread button body 9, and the lower surface of the outer thread button body 9 is provided with prompt numbers 12, the prompt numbers 12 are matched with the outer thread button body 9 and the inner thread positioning cap 10, and the prompt numbers 12 can conveniently prompt the function of the outer thread button body 9.

[0025] The upper surface of the inner thread positioning cap 10 is fixedly connected with an annular prompt sticker 11, the outer surface of the annular prompt sticker 11 is sprayed with a wear-resistant layer, the annular prompt sticker 11 can improve the recognizability of the inner thread positioning cap 10, the upper surface of the inner thread positioning cap 10 is provided with anti-skid lines, and the inner thread positioning cap 10 is made of plastic, so that the controllability of the equipment can be improved.

[0026] The working principle of the utility model is:

[0027] Firstly, the electric connection plug rod 2 is inserted into the positioning hole of the connecting equipment, so that the electric connection plug rod 2 is electrically connected with the equipment, and the current measuring instrument 4 and the automatic switch circuit breaker 5 are automatically powered on after connection, at the same time, the prompt numbers 12 are placed on the outer thread button body 9, and the thread positioning cap 10 is connected with the outer thread button body 9, then the outer thread button body 9 is knocked according to the requirement, when the outer thread button body 9 is knocked, the telescopic spring 8 is compressed, the T-shaped sliding rod 14 is lowered, the conductive sheet 13 is in contact with the electric connector 6, then the data of knocking is transmitted to the database through the capacitor mounting seat 1, and when strong current is encountered, the current measuring instrument 4 detects it, and the automatic switch circuit breaker 5 can close the electric connector 6, so that the electric connector 6 is powered off with the conductive sheet 13, and the above is the whole use process of the utility model.

[0028] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0029] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A capacitive explosion-proof push button, characterized by: The utility model provides a kind of capacitor mounting seat (1), the bottom surface of the capacitor mounting seat (1) is electrically connected with a group of electric connection plug rods (2), the bottom surface of the capacitor mounting seat (1) is fixedly installed with automatic switch breaker (5), the bottom surface of the automatic switch breaker (5) is electrically connected with current measuring instrument (4), the outer surface of the current measuring instrument (4) is electrically connected with a group of guide wires (3), the end of each guide wire (3) away from current measuring instrument (4) is electrically connected with electric connection plug rod (2), the upper surface of the capacitor mounting seat (1) is electrically connected with electric connector (6), the upper surface of the capacitor mounting seat (1) is equipped with a group of sliding holes (7), the inner wall of each sliding hole (7) is slidably connected with T type sliding rod (14), the outer surface of each T type sliding rod (14) is sleeved with telescopic spring (8), the top of a group of T type sliding rods (14) is fixedly connected with outer thread button body (9) in common, the bottom surface of the outer thread button body (9) is fixedly installed with conducting sheet (13).

2. A capacitive explosion-proof pushbutton according to claim 1, characterized in that: The top of the telescopic spring (8) is fixedly connected with the bottom surface of the outer thread button body (9), and the bottom end of the telescopic spring (8) is fixedly connected with the upper surface of the capacitor mounting seat (1).

3. The capacitive explosion-proof pushbutton according to claim 1, characterized in that: The upper side of the outer thread button body (9) is provided with an inner thread positioning cap (10), and the inner thread positioning cap (10) is matched with the outer thread button body (9).

4. A capacitive explosion-proof pushbutton according to claim 3, characterized in that: The lower side of the outer thread button body (9) is provided with a prompt number (12), and the prompt number (12) is matched with the outer thread button body (9) and the inner thread positioning cap (10).

5. The capacitive explosion-proof pushbutton according to claim 3, characterized in that: The upper surface of the inner thread positioning cap (10) is fixedly connected with an annular prompt sticker (11), and the outer surface of the annular prompt sticker (11) is sprayed with a wear-resistant layer.

6. The capacitive explosion-proof pushbutton according to claim 3, characterized in that: The upper surface of the inner thread positioning cap (10) is provided with anti-skid lines, and the inner thread positioning cap (10) is made of plastic.

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