Electrostatic manual spray gun controller, system and output control method

Abstract

The application provides an electrostatic manual spray gun controller, system and output control method. The output control method comprises the following steps: S1, starting trigger stage timing when receiving a first action signal of a spray gun trigger; S2, judging whether a second action signal of the trigger is received within a first preset time length, if yes, ending the trigger stage timing after receiving the second action signal, starting lock stage timing and entering step S3; S3, judging whether a third action signal and a fourth action signal of the trigger are received within a second preset time length, if yes, starting the lock mode, sending a lock signal to the electrostatic switch and the gas supply switch to control both of them to be opened and maintained in the opened state, ending the lock stage timing after receiving the fourth action signal, starting trigger detection and entering step S4; S4, receiving a fifth action signal of the trigger, controlling the electrostatic switch and the gas supply switch to be closed. The application can lock the powder and high pressure output state by double-clicking the trigger within a preset time.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of spray gun control, in particular to an electrostatic manual spray gun controller, system and output control method. BACKGROUND

[0002] In the field of spraying, manual spray guns are widely used in production due to their convenience, flexibility and easy operation, and electrostatic powder spray guns are also widely used in the field of electrostatic powder spraying.

[0003] Currently, workers need to hold and keep pressing the trigger of the manual spray gun to maintain the output of powder and static electricity, which can easily cause the hands of the spray workers to be tired and affect the production efficiency and quality. SUMMARY

[0004] Therefore, the present application aims to provide an electrostatic manual spray gun controller, system and output control method, which can maintain the output state of the manual spray gun without the need for workers to continuously press the trigger with their hands, thereby solving the problem that workers need to hold and keep pressing the trigger of the manual spray gun to maintain the output of powder and static electricity, which can easily cause the hands of the spray workers to be tired and affect the production efficiency and quality.

[0005] To solve the above technical problems, the technical solution used by the present application is as follows:

[0006] The electrostatic manual spray gun output control method provided by the present application comprises:

[0007] S1, when a first action signal of the spray gun trigger is received, start the trigger phase timing;

[0008] S2, determine whether a second action signal of the spray gun trigger is received within a first preset time, if yes, end the trigger phase timing after receiving the second action signal, start the lock phase timing and enter step S3; if no, do not start the lock phase timing;

[0009] S3, determine whether a third action signal and a fourth action signal of the spray gun trigger are received within a second preset time, if yes, start the lock mode, send a lock signal to the static switch and the gas supply switch of the spray gun to control both to be opened and maintained in an open state, and end the lock phase timing after receiving the fourth action signal, start the trigger detection and enter step S4; if no, do not start the lock mode;

[0010] S4, when a fifth action signal of the spray gun trigger is received, control the static switch and the gas supply switch of the spray gun to be closed;

[0011] The first action signal and the third action signal correspond to the action state after the trigger is pressed, and the second action signal, the fourth action signal and the fifth action signal correspond to the action state after the trigger is released.

[0012] Preferably, in step S2, if the second action signal is not received within the first preset time length, a normal mode is started, and the electrostatic switch and the gas supply switch of the spray gun are controlled to be opened and maintained in an opened state.

[0013] After the second action signal is received beyond the first preset time length, the electrostatic switch and the gas supply switch of the spray gun are controlled to be closed.

[0014] Preferably, in step S3, if the third action signal and / or the fourth action signal are not received within the second preset time length, a protection mode is started, and no action signal is sent to the electrostatic switch and the gas supply switch of the spray gun.

[0015] Preferably, the first preset time length is not greater than the second preset time length.

[0016] Further preferably, the first preset time length and the second preset time length are both not greater than 0.5s.

[0017] Preferably, the electrostatic switch is a sine pulse width modulator.

[0018] Preferably, the gas supply switch is an electromagnetic valve.

[0019] Another object of the present application is to provide an electrostatic manual spray gun controller, which is provided with the aforementioned electrostatic manual spray gun output control method.

[0020] In addition, the present application also provides an electrostatic manual spray gun system, which comprises a manual spray gun, a powder supply device and a controller, the controller is provided with a control unit, a gas supply switch and an electrostatic switch, the manual spray gun is provided with a trigger, the trigger, the gas supply switch and the electrostatic switch are respectively signal connected with the control unit, the gas supply switch is connected with the manual spray gun through the powder supply device, the electrostatic switch is electrically connected with the manual spray gun, and the control unit is provided with the aforementioned electrostatic manual spray gun output control method.

[0021] The beneficial effects of the electrostatic manual spray gun output control method of the present application mainly include:

[0022] The method sets the trigger stage timing and the lock stage timing according to the action signal of the trigger, sets the lock mode according to the judgment of the change of the action signal of the trigger in the trigger stage timing and the lock stage timing, and after the lock mode is started, the trigger is released and the spray gun does not stop outputting, but is in an open state of continuously outputting powder and static electricity, and the lock mode can be released according to the action signal of the trigger, so that the spray gun stops outputting, thereby providing a function that the powder and high-voltage output state can be locked by double-clicking the trigger within a preset time, liberating the hands of the spray gun operator from continuously pressing the trigger, simplifying the manual spraying operation, improving the production efficiency and quality, and solving the problem that the manual spray gun needs to be held and kept pressed by the worker during use to maintain the output of powder and static electricity, which easily causes the hands of the spraying worker to be tired and affects the production efficiency and quality.

[0023] The beneficial effects of the electrostatic manual spray gun system of the present application mainly include that the electrostatic manual spray gun output control method is used in the electrostatic manual spray gun system, has the beneficial effects of the control method, is more convenient to use, and compared with the scheme of achieving the effect of locking the trigger of the spray gun by physical hard fixation, the system does not need to additionally add structures, is convenient to implement, and has low implementation cost. BRIEF DESCRIPTION OF DRAWINGS

[0024] The above and other objects, features and advantages of the present application will become more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:

[0025] Figure 1 A flowchart of an electrostatic manual spray gun output control method provided by an embodiment of the present application; DETAILED DESCRIPTION

[0026] The technical solutions of the present application will be further described in detail below with reference to the drawings and specific embodiments, so that those skilled in the art can better understand the present application and implement it. However, the embodiments are not intended to limit the present application. In the embodiments, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the purpose of describing the present application, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0027] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element and integrated as a whole, or there can be a middle element. The terms "mount", "one end", "the other end" and the like used in the present application are only for the purpose of illustration.

[0028] The present embodiment provides a static manual spray gun output control method, as shown in Figure 1 The method comprises the following steps:

[0029] S1, when a first action signal of a spray gun trigger is received, start the trigger phase timing;

[0030] S2, determine whether a second action signal of the spray gun trigger is received within a first preset time length, if yes, end the trigger phase timing after the second action signal is received, start the lock phase timing and enter step S3; if no, do not start the lock phase timing;

[0031] S3, determine whether a third action signal and a fourth action signal of the spray gun trigger are received within a second preset time length, if yes, start the lock mode, send a lock signal to the static switch and the gas supply switch of the spray gun to control both to be opened and maintained in the opened state, and end the lock phase timing after the fourth action signal is received, start the trigger detection and enter step S4; if no, do not start the lock mode;

[0032] S4, when a fifth action signal of the spray gun trigger is received, control the static switch and the gas supply switch of the spray gun to be closed;

[0033] The first action signal and the third action signal correspond to the action state after the trigger is pressed, and the second action signal, the fourth action signal and the fifth action signal correspond to the action state after the trigger is released.

[0034] The trigger action signal is used to set the trigger stage timing and the lock stage timing, and the trigger stage timing and the lock stage timing are used to judge the change of the trigger action signal, and the lock mode is set. After the lock mode is started, the trigger is released, and the spray gun does not stop outputting, but keeps outputting powder and static electricity. The lock mode can be released according to the trigger action signal, and the spray gun stops outputting. The spray gun provides a function that the trigger is double-clicked within a preset time to lock the powder and high-voltage output state, and the hand of the spray gun operator is released from pressing the trigger. The manual spraying operation is simplified, the production efficiency and quality are improved, the worker's hand is not tired, and the production efficiency and quality are not affected. The control method is simple, easy to understand, and easy to operate.

[0035] Specifically, the static switch is a sine pulse width modulator, and the gas supply switch is an electromagnetic valve, which is usually arranged in the spray gun controller and used for on-off control of the static circuit and the gas circuit of the spray gun.

[0036] The above embodiment can be understood as follows: the trigger is double-clicked within a preset time to lock the output state of the spray gun, so that the spray gun maintains powder and static electricity output. The first action signal and the second action signal received within the first preset time length represent a single click, and the third action signal and the fourth action signal received within the second preset time length after the single click represent a double click. According to the operation habit, the first preset time length is preferably not greater than the second preset time length, and according to the actual operation test result, the first preset time length and the second preset time length are both not greater than 0.5 s, and more specifically, the first preset time length is preferably 0.3 s, and the second preset time length is preferably 0.5 s.

[0037] In a preferred embodiment, in step S2, if the second action signal is not received within the first preset time length, a normal mode is started, and the static switch and the gas supply switch of the spray gun are both opened and maintained in an open state; and after the second action signal is received beyond the first preset time length, the static switch and the gas supply switch of the spray gun are both closed. This embodiment is the same as the conventional method of keeping the trigger pressed to control the spray gun to continuously output.

[0038] In another preferred embodiment, in step S3, if the third action signal and / or the fourth action signal is not received within the second preset time length, a protection mode is started, and no action signal is sent to the static switch and the gas supply switch of the spray gun. This embodiment can handle the situation of single-clicking the trigger due to misoperation, avoid the situation of triggering the spray gun due to abnormal operation, and provide a misoperation protection measure for the spray gun.

[0039] Based on the above-mentioned electrostatic manual spray gun output control method, an embodiment of an electrostatic manual spray gun controller is also provided, wherein the controller is preset with the above-mentioned electrostatic manual spray gun output control method.

[0040] In addition, an embodiment of an electrostatic manual spray gun system is also provided, wherein the electrostatic manual spray gun system comprises a manual spray gun, a powder supply device and a controller, the controller is provided with a control unit, a gas supply switch and an electrostatic switch, the manual spray gun is provided with a trigger, the trigger, the gas supply switch and the electrostatic switch are respectively connected with the control unit in signal, the gas supply switch is connected with the manual spray gun through the powder supply device, the electrostatic switch is electrically connected with the manual spray gun, and the control unit is preset with the above-mentioned electrostatic manual spray gun output control method.

[0041] The electrostatic manual spray gun system uses the above-mentioned electrostatic manual spray gun output control method, has the beneficial effects of the above-mentioned control method, is more convenient to use, and does not need to additionally add a structure, is convenient to implement, and has relatively low implementation cost, compared with a scheme of achieving the effect of locking the trigger of the spray gun and maintaining the output trigger state by physically and rigidly fixing the trigger of the manual spray gun through, for example, setting a special accessory.

[0042] In the present specification, unless explicitly specified and limited, a first feature is "on" or "under" a second feature, which can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature is "above", "over" and "on" the second feature, which can be that the first feature is directly above or obliquely above the second feature, or only means that the horizontal height of the first feature is higher than that of the second feature. The first feature is "below", "under" and "under" the second feature, which can be that the first feature is directly below or obliquely below the second feature, or only means that the horizontal height of the first feature is less than that of the second feature.

[0043] In the description of the present specification, the description of the terms "preferred embodiment", "further embodiment", "other embodiment" or "specific example" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0044] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and that changes, modifications, substitutions and variations can be made by those skilled in the art without departing from the scope of the present application.

Claims

1. A method of electrostatic hand gun output control, characterized by, The method comprises the following steps: S1, starting a trigger stage timing when a first action signal of a trigger of the spray gun is received; S2, judging whether a second action signal of the trigger of the spray gun is received within a first preset time length, if yes, ending the trigger stage timing after the second action signal is received, starting a lock stage timing and entering step S3; if no, not starting the lock stage timing; S3, judging whether a third action signal and a fourth action signal of the trigger of the spray gun are received within a second preset time length, if yes, starting a lock mode, sending lock signals to an electrostatic switch and a gas supply switch of the spray gun to control both of them to be opened and maintained in an opened state, and ending the lock stage timing after the fourth action signal is received, starting a trigger detection and entering step S4; if no, not starting the lock mode; S4, receiving a fifth action signal of the trigger of the spray gun, then controlling the electrostatic switch and the gas supply switch of the spray gun to be closed; The first action signal and the third action signal correspond to an action state after the trigger is pressed, and the second action signal, the fourth action signal and the fifth action signal correspond to an action state after the trigger is released; In step S2, if the second action signal is not received within the first preset time length, a normal mode is started, and the electrostatic switch and the gas supply switch of the spray gun are controlled to be opened and maintained in an opened state; After the second action signal is received beyond the first preset time length, the electrostatic switch and the gas supply switch of the spray gun are controlled to be closed; In step S3, if the third action signal and / or the fourth action signal is not received within the second preset time length, a protection mode is started, and no action signal is sent to the electrostatic switch and the gas supply switch of the spray gun.

2. The output control method of an electrostatic manual spray gun according to claim 1, characterized by: The first preset time length is not greater than the second preset time length.

3. The method of claim 2, wherein: The first preset time length and the second preset time length are both not greater than 0.5s.

4. The method of claim 1, wherein: The electrostatic switch is a sine pulse width modulator.

5. The method of claim 1, wherein: The gas supply switch is an electromagnetic valve.

6. An electrostatic hand gun controller characterized by: The controller is preset with an electrostatic manual spray gun output control method as claimed in any one of claims 1 to 5.

7. An electrostatic hand gun system comprising a hand gun, a powder supply device and a controller, characterized in that: The controller is provided with a control unit, a gas supply switch and an electrostatic switch, the manual spray gun is provided with a trigger, the trigger, the gas supply switch and the electrostatic switch are respectively signal connected with the control unit, the gas supply switch is connected with the manual spray gun through a powder supply device, the electrostatic switch is electrically connected with the manual spray gun, and the control unit is preset with an electrostatic manual spray gun output control method as claimed in any one of claims 1 to 5.

Images