CN214036064U - Air compressor switch with accumulated timing function - Google Patents
Air compressor switch with accumulated timing function Download PDFInfo
- Publication number
- CN214036064U CN214036064U CN202023194603.XU CN202023194603U CN214036064U CN 214036064 U CN214036064 U CN 214036064U CN 202023194603 U CN202023194603 U CN 202023194603U CN 214036064 U CN214036064 U CN 214036064U
- Authority
- CN
- China
- Prior art keywords
- binding post
- air compressor
- switch
- microprocessor
- display device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model relates to an air compressor switch with accumulated timing, which comprises a first binding post connected with a commercial power live wire, a second binding post connected with a commercial power zero, a third binding post connected with an air compressor power zero line and a fourth binding post connected with an air compressor power live wire; the third binding post is connected with the second binding post, and a control switch is arranged on a connecting line between the first binding post and the fourth binding post; the device further comprises a voltage acquisition device, a microprocessor and a display device, wherein the voltage acquisition device, the microprocessor and the display device are arranged on the fourth binding post. The utility model discloses in, because in the fourth terminal gathers voltage signal gets into microprocessor, in microprocessor, as long as the signal of gathering can reflect the power live wire of air compressor machine motor has the electricity input, then begins the timing, in case the electroless input of power live wire of air compressor machine motor then stops the timing, handles in microprocessor and just can realize the accumulative total timing.
Description
Technical Field
The utility model relates to an air compressor machine switch field, especially an air compressor machine switch of accumulative total timing.
Background
The control switch of the air compressor is generally a pressure switch, the pressure switch used by the air compressor can automatically control the starting and stopping of the air compressor according to the change of the internal pressure, the specific implementation mode is that when the internal pressure of the air compressor reaches the set maximum pressure of the pressure switch, the pressure switch contact is disconnected, the air compressor is powered off and stops working, when the internal pressure of the air compressor is gradually reduced and reaches the minimum starting pressure, the pressure switch contact is closed, the air compressor is powered on and starts working, and the process is circulated.
Because the air compressor adopts pressure switch to carry out automatic control, the operating time of air compressor often can't be expected, and the accumulative operating time of air compressor is an important index of air compressor after-sales service again, consequently, the urgent need has a device that can obtain the accumulative operating time of air compressor in industry.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the needs that present air compressor machine trade need know air compressor machine accumulative total operating time, provide the air compressor machine switch of an accumulative total timing, time at the closed air compressor machine during operation of switch.
The technical scheme of the utility model is that: an air compressor switch with accumulated timing comprises a first binding post connected with a commercial power live wire, a second binding post connected with a commercial power zero, a third binding post connected with a power zero line of an air compressor, and a fourth binding post connected with a power live wire of the air compressor; the third binding post is connected with the second binding post, and a control switch is arranged on a connecting line between the first binding post and the fourth binding post; the device also comprises a voltage acquisition device, a microprocessor and a display device which are arranged on the fourth binding post; the output end of the voltage acquisition device is connected with a corresponding interface of the microprocessor, the microprocessor is connected with the display device, and the microprocessor is triggered to start timing when the signal of the output end of the voltage acquisition device is effective.
Further, the air compressor switch of the above-mentioned accumulative total timing: the voltage acquisition device comprises a voltage division circuit, the output end of the voltage division circuit is connected with the analog signal input end of the microprocessor, the input analog signal is subjected to AD conversion in the microprocessor, and the voltage number is output from the digital output port of the microprocessor and is displayed in the display.
Further, the air compressor switch of the above-mentioned accumulative total timing: the control switch comprises a button switch and a pressure switch, and the button switch and the pressure switch are connected between the first binding post and the fourth binding post in series.
Further, the air compressor switch of the above-mentioned accumulative total timing: the switch device comprises a microprocessor, a display device and a switch button, wherein the microprocessor is connected with the display device, the display device displays voltage figures when the switch button is pressed down, and the display device displays accumulated working time when the switch button is released.
Further, the air compressor switch of the above-mentioned accumulative total timing: the system also comprises a communication module, and the communication module sends the accumulated working time of the air compressor to a customer service department under the control of the microprocessor.
The utility model discloses in, because in the fourth terminal gathers voltage signal gets into microprocessor, in microprocessor, as long as the signal of gathering can reflect the power live wire of air compressor machine motor has the electricity input, then begins the timing, in case the electroless input of power live wire of air compressor machine motor then stops the timing, handles in microprocessor and just can realize the accumulative total timing.
In addition, the acquired voltage of the power live wire of the air compressor motor can be digitized, and then the power voltage can be displayed on a display device.
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is the air compressor switch principle block diagram of the cumulative timing of the utility model.
Fig. 2 is a block diagram of a control switch in the air compressor switch of the cumulative timing of the present invention.
Fig. 3 is an air compressor switch voltage sampling circuit with accumulated timing.
Detailed Description
As shown in fig. 1, the air compressor switch with the accumulated timing function comprises a first binding post connected with a live wire of a mains supply, a second binding post connected with a mains supply zero, a third binding post connected with a zero wire of an air compressor power supply, a fourth binding post connected with a live wire of the air compressor power supply, and a No. 0 binding post which is grounded, wherein the first binding post is connected with the live wire of the mains supply; the third binding post is connected with the second binding post, the zero line of the motor of the air compressor is directly connected with the zero line of the commercial power, and a control switch is arranged on a connecting line between the first binding post and the fourth binding post; the live wire of the air compressor motor and the live wire of the commercial power are connected through a control switch, and only when the control switch is closed, a loop can be formed between the commercial power and the air compressor motor, so that the air compressor can work. In this embodiment, the switch further includes an accumulative timing module, which may be integrated into the microprocessor, and at present, those skilled in the art know that the microprocessor may implement accumulative timing by means of necessary software, and in this embodiment, the accumulative timing module further includes a voltage collecting device, a microprocessor, and a display device, which are disposed on the fourth terminal; the output end of the voltage acquisition device is connected with a corresponding interface of the microprocessor, the microprocessor is connected with the display device, and the microprocessor is triggered to start timing when the signal of the output end of the voltage acquisition device is effective. The microprocessor judges that the air compressor works by acquiring the voltage on the fourth binding post, namely the live wire of the air compressor motor, starts timing, stops working when the air pressure is increased and the pressure switch is disconnected, does not boost pressure any more, finishes timing, and completely starts to judge that the air compressor motor works again and continues timing when the air pressure is reduced to reach the lowest pressure. A USB interface or other communication interface may also be provided on the circuit board of the microprocessor by reading the accumulated time from the interface.
In this embodiment, the control switch disposed between the live wire of the utility power and the live wire of the motor of the air compressor is composed of a button switch and a pressure switch, as shown in fig. 2, the button switch is a hard switch, and the pressure switch can be in many forms, for example, the pressure in the air compressor directly controls the switch, when the pressure reaches a certain number, the switch is turned off, and when the pressure is reduced to another lower level, the switch is turned on. Or a pressure sensor can be used for detecting the pressure in the air compressor, the detection result is input into the processor, and after the detection result is processed in the processor, a control signal is generated to control whether a relay or other electronic switches are closed or not.
In this embodiment, the voltage acquisition device includes a voltage divider circuit as shown in fig. 3, the voltage divider circuit is composed of voltage divider resistors, as shown in fig. 3, it indicates that two voltage divider resistors R1 and R2 are grounded in series, since the utility power is 220VAC, when entering the microprocessor after voltage division, it needs to be less than 5V, therefore, the resistor R1 needs to be much larger than the resistor R2, in this embodiment, the resistor R1 takes 100K, the resistor R2 takes 1K, the output terminal of the voltage divider circuit is connected to the analog signal input terminal of the microprocessor, AD conversion is performed on the input analog signal in the microprocessor, and the output voltage number from the digital output port of the microprocessor is displayed in the display. In addition, the circuit board also comprises a switching button, the switching button is connected with the microprocessor, when the switching button is pressed, the display device displays voltage figures, and when the switching button is released, the display device displays accumulated working time.
Claims (5)
1. An air compressor switch with accumulated timing comprises a first binding post connected with a commercial power live wire, a second binding post connected with a commercial power zero, a third binding post connected with a power zero line of an air compressor, and a fourth binding post connected with a power live wire of the air compressor; the third binding post is connected with the second binding post, and a control switch is arranged on a connecting line between the first binding post and the fourth binding post; the method is characterized in that: the device also comprises a voltage acquisition device, a microprocessor and a display device which are arranged on the fourth binding post; the output end of the voltage acquisition device is connected with a corresponding interface of the microprocessor, the microprocessor is connected with the display device, and the microprocessor is triggered to start timing when the signal of the output end of the voltage acquisition device is effective.
2. The air compressor switch of claim 1, wherein: the voltage acquisition device comprises a voltage division circuit, the output end of the voltage division circuit is connected with the analog signal input end of the microprocessor, the input analog signal is subjected to AD conversion in the microprocessor, and the voltage number is output from the digital output port of the microprocessor and is displayed in the display.
3. The air compressor switch of claim 2, wherein: the control switch comprises a button switch and a pressure switch, and the button switch and the pressure switch are connected between the first binding post and the fourth binding post in series.
4. The air compressor switch of claim 3, wherein: the switch device comprises a microprocessor, a display device and a switch button, wherein the microprocessor is connected with the display device, the display device displays voltage figures when the switch button is pressed down, and the display device displays accumulated working time when the switch button is released.
5. The air compressor switch of the accumulated time according to any one of claims 1 to 4, wherein: the system also comprises a communication module, and the communication module sends the accumulated working time of the air compressor to a customer service department under the control of the microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023194603.XU CN214036064U (en) | 2020-12-25 | 2020-12-25 | Air compressor switch with accumulated timing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023194603.XU CN214036064U (en) | 2020-12-25 | 2020-12-25 | Air compressor switch with accumulated timing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214036064U true CN214036064U (en) | 2021-08-24 |
Family
ID=77342428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023194603.XU Active CN214036064U (en) | 2020-12-25 | 2020-12-25 | Air compressor switch with accumulated timing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214036064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198081A (en) * | 2021-12-30 | 2022-03-18 | 恒天九五重工有限公司 | System for monitoring working life of execution element of rotary drilling rig |
-
2020
- 2020-12-25 CN CN202023194603.XU patent/CN214036064U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198081A (en) * | 2021-12-30 | 2022-03-18 | 恒天九五重工有限公司 | System for monitoring working life of execution element of rotary drilling rig |
| CN114198081B (en) * | 2021-12-30 | 2024-03-08 | 恒天九五重工有限公司 | Working life monitoring system for rotary drilling rig executive component |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108107357B (en) | Switch signal detection circuit with self-diagnosis function | |
| EP2662696B1 (en) | Device and method for detecting state of overload and overcurrent protector | |
| CN105699825A (en) | Automobile static current detecting device and method | |
| CN214036064U (en) | Air compressor switch with accumulated timing function | |
| CN109066579A (en) | Overvoltage protection method and device | |
| CN110044034A (en) | Air-conditioning system and power-off protection control method | |
| CN110346671B (en) | Fault reminding method and device of electric equipment and electric equipment | |
| CN110021914B (en) | Vending machine, direct current motor control system, direct current motor control method and device | |
| CN208421767U (en) | Electronic equipment and its consumable can control circuit | |
| CN210678794U (en) | Electric shaver with electric quantity reminding function | |
| CN113013840A (en) | Water shortage protection circuit and method for tooth washing device | |
| CN1616976A (en) | Automatic detecting system for relay | |
| CN216069889U (en) | Electric automobile overhauls system | |
| CN113030565B (en) | Load identification intelligent electric meter with input protection function | |
| CN110048484B (en) | Communication control circuit, control method and device thereof and air conditioner | |
| CN108572275A (en) | One kind is shoved detecting system and detection method | |
| CN212135198U (en) | Drive control system and signal conditioning and protecting circuit | |
| CN209911790U (en) | Controller circuit | |
| CN208314066U (en) | One kind is shoved detection system | |
| CN209588966U (en) | A kind of position detecting device, system and electrical equipment | |
| CN102755972A (en) | Charged water flushing jet pressure control device and control method thereof | |
| CN220399831U (en) | Start-stop test device for water pump controller | |
| CN211741406U (en) | Electronic equipment and signal acquisition circuit thereof | |
| CN216699871U (en) | Motor driver | |
| CN110594825A (en) | Range hood and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |