CN210297538U - Frequency conversion cabinet controlled by membrane switch - Google Patents
Frequency conversion cabinet controlled by membrane switch Download PDFInfo
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- CN210297538U CN210297538U CN201921678223.8U CN201921678223U CN210297538U CN 210297538 U CN210297538 U CN 210297538U CN 201921678223 U CN201921678223 U CN 201921678223U CN 210297538 U CN210297538 U CN 210297538U
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- membrane switch
- frequency conversion
- indicator light
- conversion cabinet
- cabinet body
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Abstract
The utility model discloses a membrane switch control's inverter cabinet, including the inverter cabinet body, the inverter cabinet body includes the cabinet body and sets up in internal controller and converter of cabinet, and its characterized in that is provided with membrane switch on the front panel of the cabinet body, and membrane switch passes through the contact pin winding displacement with the signal input part of controller to be connected, and the signal output part of controller is connected with the signal input part of converter, and membrane switch is used for receiving the operating condition of the power device that input signal control and the signal output part of converter are connected. The utility model discloses a membrane switch controls the power device who is connected with the inverter cabinet, has replaced the ordinary button switch among the prior art, and waterproof dustproof effectual, long service life, after-sale maintenance is convenient, and the equipment after-sale problem that just not have the operating personnel of training also can easily solve control switch and damage need only change membrane switch, reconnect the row needle winding displacement can, improved after-sale efficiency greatly, reduced after-sale cost.
Description
Technical Field
The utility model relates to a frequency conversion cabinet technical field especially relates to a membrane switch control's frequency conversion cabinet.
Background
The frequency conversion cabinet is a control cabinet which uses a frequency converter to drive a power device. The power dragging mode popularized at present is formed due to good starting performance, speed regulation performance and energy saving effect. The high-power frequency conversion cabinet can reduce the impact of a high-power water pump/fan on a power grid and the pressure drop of a large pair to the maximum extent, and the electricity-saving effect is obvious. The frequency conversion cabinet is widely applied to various types of tap water supply systems, for example, processing equipment for agricultural and sideline products, such as cleaning equipment for agricultural products including radishes and potatoes, constant-pressure frequency conversion water supply in construction sites, water supply and drainage and irrigation equipment for farmland irrigation, constant-temperature water supply and air supply of air compressors and air conditioners, industrial automation transformation and the like.
The existing frequency conversion cabinet generally uses a plurality of independently arranged common buttons to control a power device, each control button is separately connected with an internal frequency conversion controller through a wire, and when the buttons and other components are replaced, the circuits need to be connected again, so that the maintenance efficiency of the frequency conversion cabinet is low, and the maintenance can be carried out by professional personnel; in addition, the waterproof and dustproof effects of the common button are poor, the contact point of the common button is easy to be insensitive to operation and even damaged under the condition that moisture or dust enters, and the service life is short.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the technical problem who exists among the prior art at least, innovate a membrane switch control's inverter cabinet very much, it is poor effectively to have solved the waterproof dustproof effect that prior art caused through ordinary button control inverter cabinet, easily leads to the contact point of button to damage, and life is short, problem that the maintenance cost is high.
In order to realize the above object of the utility model, the utility model provides a membrane switch control's inverter cabinet, including the inverter cabinet body, the inverter cabinet body include the cabinet body with set up in internal controller of cabinet and converter, its characterized in that, be provided with membrane switch on the front panel of the cabinet body, membrane switch with the signal input part of controller passes through the contact pin winding displacement and connects, the signal output part of controller with the signal input part of converter is connected, membrane switch be used for receiving input signal control with the operating condition of the power device that the signal output part of converter is connected.
The utility model discloses a membrane switch controls the power device who is connected with the inverter cabinet, has replaced the ordinary button switch among the prior art, and waterproof dustproof effectual, long service life, after-sale maintenance is convenient, and the equipment after-sale problem that just not have the operating personnel of training also can easily solve control switch and damage need only change membrane switch, reconnect the row needle winding displacement can, improved after-sale efficiency greatly, reduced after-sale cost.
Preferably, the power device is a water pump or a fan.
Preferably, the membrane switch is provided with a forward rotation starting key, a reverse rotation starting key and a stopping key. Control signals are respectively input through a forward rotation starting key, a reverse rotation starting key and a stopping key, the control models are transmitted to a controller, the controller sends corresponding control instructions to a frequency converter, and the frequency converter controls the forward rotation, the reverse rotation and the stopping working states of power devices such as a water pump or a fan and the like connected with the frequency converter.
Preferably, the film switch is further provided with a forward rotation indicator light, a reverse rotation indicator light and a stop indicator light correspondingly. The indication lamp is used for indicating the working state of the power device, so that an operator can know the working state of the power device in real time.
Preferably, the membrane switch comprises a lower circuit layer, an isolation layer, an upper circuit layer and a panel layer which are sequentially stacked from inside to outside. When the corresponding position of the key on the panel layer of the membrane switch is pressed, the contact of the upper circuit deforms downwards and is in contact conduction with the polar plate of the lower circuit, after the finger is loosened, the contact of the upper circuit rebounds, the circuit is disconnected, and the loop triggers a signal to be input to the controller.
Preferably, the panel layer is a sand PET resin layer. The sand PET resin has excellent mechanical property, electrical property, rigidity and hardness, the highest obdurability in thermoplastic plastics, low water absorption, excellent abrasion resistance and friction resistance and high dimensional stability, and can well protect an upper circuit layer, an isolation layer and a lower circuit layer in the sand PET resin.
Preferably, the contact pin winding displacement with lower circuit layer an organic whole sets up, the contact pin winding displacement is kept away from the one end on lower circuit layer is equipped with connecting terminal. Through with the contact pin winding displacement with circuit layer integrative setting down, effectively guarantee the reliability that membrane switch and contact pin winding displacement are connected, connecting terminal is used for being connected with the controller.
Preferably, the forward rotation indicator light, the reverse rotation indicator light and the stop indicator light are all patch LEDs, and the patch LEDs are welded on the lower circuit layer. The patch LED has small volume, high electro-optic conversion efficiency, low power consumption, good shock resistance, high reliability and low cost, and is easy to realize the small size, thin type and light weight of the membrane switch.
Preferably, transparent light-transmitting portions are disposed on the panel layer at positions corresponding to the forward rotation indicator light, the reverse rotation indicator light and the stop indicator light, and the light-transmitting portions and the panel layer are integrally formed. Through setting up transparent printing opacity portion, improve the indicating effect of pilot lamp, set up printing opacity portion and panel layer integrated into one piece, effectively guarantee membrane switch's whole waterproof and dustproof performance.
Preferably, the membrane switch is arranged on the front panel of the cabinet body through back glue adhesion. Therefore, the membrane switch is convenient to disassemble and assemble and is firm and reliable in connection.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a frequency conversion cabinet controlled by a membrane switch according to a preferred embodiment of the present invention;
fig. 2 is a schematic front view of a membrane switch of a variable frequency cabinet controlled by a membrane switch according to a preferred embodiment of the present invention;
fig. 3 is a schematic structural diagram of a membrane switch of a variable frequency cabinet controlled by a membrane switch in a preferred embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The utility model provides a frequency conversion cabinet of membrane switch 104 control, as shown in fig. 1-3, including frequency conversion cabinet body 1, frequency conversion cabinet body 1 includes cabinet body 101 and sets up controller 102 and the converter 103 in cabinet body 101, a serial communication port, be provided with membrane switch 104 on the front panel 1011 of cabinet body 101, membrane switch 104 passes through contact pin winding displacement 105 with the signal input part of controller 102 and is connected, the signal output part of controller 102 is connected with the signal input part of converter 103, membrane switch 104 is used for receiving the operating condition of the power device 200 that input signal control and the signal output part of converter 103 are connected.
The utility model discloses a membrane switch 104 is controlled the power device 200 of being connected with the inverter cabinet, has replaced the ordinary button switch among the prior art, and waterproof dustproof effectual, long service life, after-sale maintenance is convenient, even if the operating personnel who does not train also can easily solve the equipment after-sale problem that control switch damaged, only need change membrane switch 104, reconnect the pin gang winding displacement can, improved after-sale efficiency greatly, reduced after-sale cost.
In the present embodiment, the power device 200 is a water pump or a fan.
In the present embodiment, the membrane switch 104 is provided with a forward rotation start button 1041, a reverse rotation start button 1042, and a stop button 1043. Control signals are respectively input through the forward rotation starting button 1041, the reverse rotation starting button 1042 and the stopping button 1043, the control models are transmitted to the controller 102, the controller 102 sends corresponding control instructions to the frequency converter 103, and the frequency converter 103 controls the forward rotation, the reverse rotation and the stopping working states of the power device 200 such as a water pump or a fan connected with the frequency converter 103.
In the present embodiment, the membrane switch 104 is further provided with a forward rotation indicator lamp 1044, a reverse rotation indicator lamp 1045, and a stop indicator lamp 1046. The indication of the working state of the power device 200 is carried out through the indicator lamp, so that an operator can know the working state of the power device 200 in real time conveniently.
In this embodiment, the thin film switch 104 includes a lower circuit layer 1047, an isolation layer 1048, an upper circuit layer 1049, and a panel layer 1040 stacked in this order from inside to outside. When the corresponding position of the key on the panel layer 1040 of the membrane switch 104 is pressed, the contact of the upper circuit is deformed downwards and is in contact conduction with the polar plate of the lower circuit, after the finger is released, the contact of the upper circuit rebounds, the circuit is disconnected, and the circuit triggers a signal to be input to the controller 102.
In the present embodiment, the panel layer 1040 is a sand-faced PET polyester resin layer. The sand-surface PET resin has excellent mechanical property, electrical property, rigidity and hardness, the highest toughness in thermoplastic plastics, low water absorption, excellent abrasion resistance and friction resistance and high dimensional stability, and can well protect an upper circuit layer 1049, an isolation layer 1048 and a lower circuit layer 1047 in the sand-surface PET resin.
In this embodiment, the pin bus 105 is integrally provided with the lower circuit layer 1047, and the connection terminal 1051 is provided at one end of the pin bus 105 away from the lower circuit layer 1047. By integrally arranging the pin bus 105 and the lower circuit layer 1047, the reliability of the connection between the membrane switch 104 and the pin bus 105 is effectively ensured, and the connection terminal 1051 is used for being connected with the controller 102.
In this embodiment, the forward rotation indicator lamp 1044, the reverse rotation indicator lamp 1045, and the stop indicator lamp 1046 are all chip LEDs, and the chip LEDs are welded to the lower circuit layer 1047. The patch LED has a small volume, high electro-optical conversion efficiency, low power consumption, good shock resistance, high reliability, low cost, and is easy to realize the small, thin, and light weight of the membrane switch 104.
In the present embodiment, transparent light-transmitting portions 10401 are provided on the panel layer 1040 at positions corresponding to the forward rotation indicator lamp 1044, the reverse rotation indicator lamp 1045, and the stop indicator lamp 1046, and the light-transmitting portions 10401 are provided integrally with the panel layer 1040. Through setting up transparent printing opacity portion 10401, improve the indicating effect of pilot lamp, set up printing opacity portion 10401 and panel layer 1040 integrated into one piece, effectively guarantee the whole waterproof and dustproof performance of membrane switch 104.
In the present embodiment, the membrane switch 104 is attached to the front panel 1011 of the cabinet 101 by a back adhesive. Thus, the membrane switch 104 is convenient to disassemble and assemble and is firm and reliable in connection.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a membrane switch control's frequency conversion cabinet, includes the frequency conversion cabinet body, the frequency conversion cabinet body include the cabinet body with set up in internal controller and the converter of cabinet, its characterized in that, be provided with membrane switch on the front panel of the cabinet body, membrane switch with the signal input part of controller passes through the contact pin winding displacement and connects, the signal output part of controller with the signal input part of converter is connected, membrane switch be used for receiving input signal control with the operating condition of the power device that the signal output part of converter is connected.
2. The membrane switch controlled frequency conversion cabinet according to claim 1, wherein the power device is a water pump or a fan.
3. The membrane switch controlled frequency conversion cabinet according to claim 2, wherein the membrane switch is provided with a forward rotation start button, a reverse rotation start button and a stop button.
4. The membrane switch controlled frequency conversion cabinet according to claim 3, wherein the membrane switch is further provided with a forward rotation indicator light, a reverse rotation indicator light and a stop indicator light.
5. The membrane switch controlled frequency conversion cabinet according to claim 4, wherein the membrane switch comprises a lower circuit layer, an isolation layer, an upper circuit layer and a panel layer which are sequentially stacked from inside to outside.
6. The membrane switch controlled frequency conversion cabinet according to claim 5, wherein the panel layer is a sand PET resin layer.
7. The membrane switch controlled frequency conversion cabinet according to claim 5, wherein the pin flat cable is integrated with the lower circuit layer, and a connection terminal is disposed at an end of the pin flat cable away from the lower circuit layer.
8. The membrane switch controlled frequency conversion cabinet according to claim 5, wherein the forward rotation indicator light, the reverse rotation indicator light and the stop indicator light are all patch LEDs, and the patch LEDs are welded on the lower circuit layer.
9. The membrane switch controlled variable frequency cabinet according to claim 8, wherein the panel layer is provided with transparent light-transmitting portions at positions corresponding to the forward rotation indicator light, the reverse rotation indicator light and the stop indicator light, and the light-transmitting portions are integrally formed with the panel layer.
10. The membrane switch controlled frequency conversion cabinet according to any one of claims 1 to 9, wherein the membrane switch is adhered to the front panel of the cabinet body through a back adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921678223.8U CN210297538U (en) | 2019-10-09 | 2019-10-09 | Frequency conversion cabinet controlled by membrane switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921678223.8U CN210297538U (en) | 2019-10-09 | 2019-10-09 | Frequency conversion cabinet controlled by membrane switch |
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| Publication Number | Publication Date |
|---|---|
| CN210297538U true CN210297538U (en) | 2020-04-10 |
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| CN201921678223.8U Active CN210297538U (en) | 2019-10-09 | 2019-10-09 | Frequency conversion cabinet controlled by membrane switch |
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| CN (1) | CN210297538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110581636A (en) * | 2019-10-09 | 2019-12-17 | 荆州市茂源节能机电科技有限公司 | Frequency conversion cabinet controlled by membrane switch |
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2019
- 2019-10-09 CN CN201921678223.8U patent/CN210297538U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110581636A (en) * | 2019-10-09 | 2019-12-17 | 荆州市茂源节能机电科技有限公司 | Frequency conversion cabinet controlled by membrane switch |
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Address after: 434000, Building 2, Jingzhou Tianlong Chemical Equipment Co., Ltd., No. 2 Xinhua Road, United Street, Economic and Technological Development Zone, Jingzhou City, Hubei Province (self declared) Patentee after: Maoyuan Electromechanical (Hubei) Co.,Ltd. Country or region after: China Address before: 434000, 2nd Floor, Hongmen Road, Shashi District, Jingzhou City, Hubei Province Patentee before: JINZHOU MAOYUAN ENERGY-SACING DYNAMO-ELECTRIC TECHNOLOGY Co.,Ltd. Country or region before: China |