Gate water pump control switch with locking protection structure

Abstract

The utility model discloses a gate water pump control switch with a latch-up protection structure, which comprises a control switch shell and a control panel, the control panel is arranged in the control switch shell and is provided with a latch-up loop, the latch-up loop comprises a self-locking loop and an interlocking loop, and the self-locking loop is connected with the interlocking loop. The self-locking loop comprises a first stop button, a first start button, a first contactor auxiliary contact and a first alternating current contactor, the first stop button, the first start button and the first alternating current contactor are connected in series, and the first contactor auxiliary contact is connected to the two ends of the first start button in parallel. Compared with the prior art, the gate water pump control switch has the advantages that the gate water pump control switch is high in integration level, the locking loop is arranged in the gate water pump control switch, forward and reverse operation of the gate water pump can be controlled through the self-locking loop and the interlocking loop in the locking loop, self-locking of the circuit can be automatically completed after the start button is pressed, and operation is convenient. And simultaneous forward and reverse rotation of the water pump caused by misoperation is effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of gate water pump control, in particular to a gate water pump control switch with a locking protection structure. Background Art

[0002] Generally, flood control pump stations are equipped with water outlet gates and water return gates. When the pump is turned on and running normally in flood season mode, the water outlet gate needs to be opened and the water return gate needs to be closed. In non-flood season mode or pump test operation mode, the water outlet gate needs to be closed and the water return gate needs to be opened.

[0003] Since the design of the general return water gate is only allowed to carry the flow of one water pump. Therefore, in the non-flood mode or the water pump test operation mode, when the control switch is misoperated, that is, when two or more water pumps are turned on, the return water pipeline will not be able to bear such a large flow, thereby endangering the pump station equipment. Therefore, a gate water pump control switch with a locking protection structure is provided to solve the above problems. Utility Model Content

[0004] In order to solve the problems in the above background technology, the technical solution adopted by the utility model to solve the technical problems is: a gate water pump control switch with a locking protection structure, which includes: a control switch housing and a control panel, the control panel is arranged inside the control switch housing, the control panel is provided with a locking circuit, the locking circuit includes a self-locking circuit and an interlocking circuit, the self-locking circuit includes a first stop button, a first start button, a first contactor auxiliary contact, and a first AC contactor, the first stop button, the first start button, and the first AC contactor are connected in series, and the first contactor auxiliary contact is connected in parallel to both ends of the first start button, the interlocking circuit includes a second stop button, a second start button, a second contactor auxiliary contact, a third start button, a third contactor auxiliary contact, a fourth contactor auxiliary contact, a fifth contactor auxiliary contact, a second AC contactor, and a third AC contactor, the second stop button, the second start button, the second contactor auxiliary contact, and the second AC contactor are connected in series in sequence, and the third contactor auxiliary contact is connected in parallel to both ends of the second start button.

[0005] As a preferred technical solution of the utility model, the third start button, the fourth contactor auxiliary contact, and the third AC contactor are connected in series, the fifth contactor auxiliary contact is connected in parallel to both ends of the third start button, and the series circuit between the third start button, the fourth contactor auxiliary contact, and the third AC contactor is connected in parallel to both ends of the series circuit between the second start button, the third start button, the second contactor auxiliary contact, and the second AC contactor.

[0006] As a preferred technical solution of the utility model, the first stop button and the second stop button are both normally closed contacts, and the first start button, the second start button and the third start button are all normally open contacts.

[0007] As a preferred technical solution of the utility model, the first contactor auxiliary contact, the third contactor auxiliary contact, and the fifth contactor auxiliary contact are all normally open contacts, and the second contactor auxiliary contact and the fourth contactor auxiliary contact are all normally closed contacts.

[0008] As a preferred technical solution of the utility model, the control switch housing includes a base and a front cover, the base is fixedly connected to the front cover by screws, the first stop button, the first start button, the second stop button, the second start button, and the third start button are all arranged on one side of the front cover, a heat dissipation net is arranged on one side of the front cover, and a fixing seat is arranged on the side of the base.

[0009] As a preferred technical solution of the utility model, the first contactor auxiliary contact, the first AC contactor, the second contactor auxiliary contact, the third contactor auxiliary contact, the fourth contactor auxiliary contact, the fifth contactor auxiliary contact, the second AC contactor, and the third AC contactor are all arranged on the control board.

[0010] As a preferred technical solution of the utility model, an input wiring port is arranged at the upper end of the control board, and an output wiring port is arranged at the lower end of the control board.

[0011] The utility model has the following advantages: the utility gate water pump control switch has high integration, and by setting a locking circuit in the gate water pump control switch, and then through the self-locking circuit and the interlocking circuit in the locking circuit, not only can the gate water pump be controlled to run forward and reverse, but also the circuit automatically completes self-locking after pressing the start button, effectively avoiding misoperation that causes the water pump to run forward and reverse simultaneously, and further ensuring the safe operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall structure of the control switch of the preferred embodiment of the utility model;

[0013] Figure 2 This is a schematic diagram of the control panel structure of the preferred embodiment of the utility model;

[0014] Figure 3 This is a schematic diagram of a self-locking circuit of a preferred embodiment of the utility model;

[0015] Figure 4 It is a schematic diagram of an interlocking circuit of a preferred embodiment of the utility model.

[0016] Explanation of the accompanying drawings: 1. base; 2. front cover; 3. first stop button; 4. first start button; 5. second stop button; 6. second start button; 7. third start button; 8. control board; 9. input wiring port; 10. output wiring port; 11. first contactor auxiliary contact; 12. first AC contactor; 13. second contactor auxiliary contact; 14. third contactor auxiliary contact; 15. fourth contactor auxiliary contact; 16. fifth contactor auxiliary contact; 17. second AC contactor; 18. third AC contactor; 19. heat dissipation net; 20. fixing seat. DETAILED DESCRIPTION

[0017] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0018] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] The utility model will be further described below in conjunction with the accompanying drawings.

[0020] Please refer to Figure 1-Figure 4The utility model discloses a gate water pump control switch with a locking protection structure, comprising: a control switch housing and a control panel 8, wherein the control panel 8 is arranged inside the control switch housing, and the control panel 8 is provided with a locking circuit, wherein the locking circuit comprises a self-locking circuit and an interlocking circuit, and the self-locking circuit comprises a first stop button 3 (SB1), a first start button 4 (SB2), a first contactor auxiliary contact 11 (KM1), and a first AC contactor 12 (KM2), wherein the first stop button 3, the first start button 4, and the first AC contactor 12 are connected in series, the first contactor auxiliary contact 11 is connected in parallel to both ends of the first start button 4, and the interlocking circuit The circuit includes a second stop button 5 (SB3), a second start button 6 (SB4), a second contactor auxiliary contact 13 (KM5), a third start button 7 (SB5), a third contactor auxiliary contact 14 (KM3), a fourth contactor auxiliary contact 15 (KM6), a fifth contactor auxiliary contact 16 (KM4), a second AC contactor 17 (KM7), and a third AC contactor 18 (KM8). The second stop button 5, the second start button 6, the second contactor auxiliary contact 13, and the second AC contactor 17 are connected in series in sequence, and the third contactor auxiliary contact 14 is connected in parallel to both ends of the second start button 6.

[0021] Combination Figure 3 and Figure 4 As shown, the third start button 7, the fourth contactor auxiliary contact 15, and the third AC contactor 18 are connected in series, the fifth contactor auxiliary contact 16 is connected in parallel to both ends of the third start button 7, the series circuit between the third start button 7, the fourth contactor auxiliary contact 15, and the third AC contactor 18 is connected in parallel to both ends of the series circuit between the second start button 6, the third start button 7, the second contactor auxiliary contact 13, and the second AC contactor 17, the first stop button 3 and the second stop button 5 are both normally closed contacts, the first start button 4 and the second start button 6 and the third start button 7 are all normally open contacts, the first contactor auxiliary Contact 11, the third contactor auxiliary contact 14, and the fifth contactor auxiliary contact 16 are all normally open contacts, and the second contactor auxiliary contact 13 and the fourth contactor auxiliary contact 15 are all normally closed contacts. Therefore, in the self-locking circuit, you only need to press SB2 to close KM1 through KM2 to self-lock, so as to maintain continuous power supply for the water pump. In the interlocking circuit, you only need to press SB4 to close KM3 through KM7. KM3 is closed and KM6 is disconnected, so that the gate water pump can run forward. When SB5 is pressed, KM4 can be closed and KM5 can be disconnected through KM8, so that the gate water pump can run in the reverse direction.

[0022] Combination Figure 1 and Figure 2As shown, the control switch housing includes a base 1 and a front cover 2, the base 1 is fixedly connected to the front cover 2 by screws, the first stop button 3, the first start button 4, the second stop button 5, the second start button 6, and the third start button 7 are all arranged on one side of the front cover 2, a heat dissipation net 19 is arranged on one side of the front cover 2, a fixing seat 20 is arranged on the side of the base 1, the first contactor auxiliary contact 11, the first AC contactor 12, the second contactor auxiliary contact 13, the third contactor auxiliary contact 14, the fourth contactor auxiliary contact 15, the fifth contactor auxiliary contact 16, the second AC contactor 17, and the third AC contactor 18 are all arranged on the control board 8, the upper end of the control board 8 is provided with an input wiring port 9, and the lower end of the control board 8 is provided with an output wiring port 10, the power supply line is connected to the input wiring port 9, the gate water pump power supply end is connected to the output wiring port 10 through a wire, and the control switch can be installed in the control circuit.

[0023] The above are only preferred implementations of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

[0024] Other parts of the present invention not described in detail belong to the prior art and will not be described in detail here.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A gate water pump control switch with a locking protection structure, comprising: A control switch housing and a control panel (8), characterized in that the control panel (8) is arranged inside the control switch housing, the control panel (8) is provided with a locking circuit, the locking circuit includes a self-locking circuit and an interlocking circuit, the self-locking circuit includes a first stop button (3), a first start button (4), a first contactor auxiliary contact (11), and a first AC contactor (12), the first stop button (3), the first start button (4), and the first AC contactor (12) are connected in series, the first contactor auxiliary contact (11) is connected in parallel to both ends of the first start button (4), and the The interlocking circuit comprises a second stop button (5), a second start button (6), a second contactor auxiliary contact (13), a third start button (7), a third contactor auxiliary contact (14), a fourth contactor auxiliary contact (15), a fifth contactor auxiliary contact (16), a second AC contactor (17), and a third AC contactor (18); the second stop button (5), the second start button (6), the second contactor auxiliary contact (13), and the second AC contactor (17) are sequentially connected in series, and the third contactor auxiliary contact (14) is connected in parallel to both ends of the second start button (6).

2. A gate water pump control switch with a locking protection structure as claimed in claim 1, characterized in that: The third start button (7), the fourth contactor auxiliary contact (15), and the third AC contactor (18) are connected in series, the fifth contactor auxiliary contact (16) is connected in parallel to both ends of the third start button (7), and the series circuit between the third start button (7), the fourth contactor auxiliary contact (15), and the third AC contactor (18) is connected in parallel to both ends of the series circuit between the second start button (6), the third start button (7), the second contactor auxiliary contact (13), and the second AC contactor (17).

3. A gate water pump control switch with a locking protection structure as claimed in claim 1, characterized in that: The first stop button (3) and the second stop button (5) are both normally closed contacts, and the first start button (4), the second start button (6) and the third start button (7) are all normally open contacts.

4. A gate water pump control switch with a locking protection structure as claimed in claim 1, characterized in that: The first contactor auxiliary contact (11), the third contactor auxiliary contact (14), and the fifth contactor auxiliary contact (16) are all normally open contacts, and the second contactor auxiliary contact (13) and the fourth contactor auxiliary contact (15) are all normally closed contacts.

5. A gate water pump control switch with a locking protection structure as claimed in claim 1, characterized in that: The control switch housing comprises a base (1) and a front cover (2); the base (1) is fixedly connected to the front cover (2) by screws; the first stop button (3), the first start button (4), the second stop button (5), the second start button (6), and the third start button (7) are all arranged on one side of the front cover (2); a heat dissipation net (19) is arranged on one side of the front cover (2); and a fixing seat (20) is arranged on the side of the base (1).

6. A gate water pump control switch with a locking protection structure as claimed in claim 1, characterized in that: The first contactor auxiliary contact (11), the first AC contactor (12), the second contactor auxiliary contact (13), the third contactor auxiliary contact (14), the fourth contactor auxiliary contact (15), the fifth contactor auxiliary contact (16), the second AC contactor (17), and the third AC contactor (18) are all arranged on the control panel (8).

7. A gate water pump control switch with a locking protection structure as claimed in claim 1, characterized in that: An input wiring port (9) is provided at the upper end of the control panel (8), and an output wiring port (10) is provided at the lower end of the control panel (8).

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