Key circuit board for greenhouse control

Abstract

The utility model discloses a key circuit board for greenhouse control, and relates to the technical field of circuits, and the key circuit board comprises a key mainboard which is provided with a plurality of main keys and a plurality of main contacts; the key auxiliary board is provided with a plurality of auxiliary keys and a plurality of auxiliary contacts; the adapter plate is provided with main rotary contact points and auxiliary rotary contact points, the main rotary contact points are in one-to-one correspondence with the main contact points, the auxiliary rotary contact points are in one-to-one correspondence with the auxiliary contact points, and meanwhile, the main rotary contact points are connected with the auxiliary rotary contact points in one-to-one correspondence; after the key main board, the key auxiliary board and the adapter board are spliced together, the main contact and the main rotary contact are in contact and then are electrically connected, and the auxiliary contact and the auxiliary rotary contact are in contact and then are electrically connected, so that the key main board and the key auxiliary board are connected together through the adapter board. According to the control cabinet, the key main board and the key auxiliary board are connected together in a splicing mode, the purpose of upgrading the control cabinet can be achieved with low cost, an original key circuit board cannot be idle, and the utilization rate of resources is increased.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of circuit, in particular to a key circuit board for greenhouse control. BACKGROUND

[0002] In modern agricultural greenhouse, a variety of control devices are set to adjust the environment inside the greenhouse, such as controlling light by cotton curtain and controlling ventilation by air curtain. For large greenhouse, usually a plurality of motors for controlling cotton curtain and air curtain are needed to be set, which are connected to a control cabinet for centralized control of the motors.

[0003] In the process of expansion and upgrading of the greenhouse, a plurality of motors need to be newly installed, accordingly, the control cabinet needs to be upgraded to increase the keys for controlling the newly installed motors. At present, the upgrading of the control cabinet is realized by replacing a new control cabinet, which is convenient, but the cost of upgrading is high, and the replaced control cabinet will be idle, resulting in waste of resources. CONTENT OF THE INVENTION

[0004] The embodiment of the present application provides a key circuit board for greenhouse control, to solve the problems of high cost and resource waste in the prior art of replacing the control cabinet as a whole.

[0005] The embodiment of the present application provides a key circuit board for greenhouse control, comprising:

[0006] The key main board is provided with a main through hole at the edge, a plurality of main keys are arranged on the key main board, and a plurality of main contacts are arranged on the key main board at the position close to the main through hole;

[0007] The key sub-board is provided with a sub-through hole at the edge, a plurality of sub-keys are arranged on the key sub-board, and a plurality of sub-contacts are arranged on the key sub-board at the position close to the sub-through hole;

[0008] The adapter plate is provided with an adapter through hole at both ends, a main adapter contact and a sub-adapter contact are arranged on the adapter plate at the position close to the adapter through hole at both ends, the number of the main adapter contact and the main contact is the same and one-to-one corresponding, the number of the sub-adapter contact and the sub-contact is the same and one-to-one corresponding, and the main adapter contact and the sub-adapter contact are one-to-one connected;

[0009] When the key main board, the key sub-board and the adapter plate are spliced together, the main through hole and the adapter through hole at one end are aligned, and the sub-through hole and the adapter through hole at the other end are aligned, the connecting assembly is respectively inserted through the aligned main through hole and the adapter through hole, and the aligned sub-through hole and the adapter through hole, so that the key main board and the key sub-board are connected together through the adapter plate, the main contact and the main adapter contact are in contact and electrically connected, and the sub-contact and the sub-adapter contact are in contact and electrically connected.

[0010] In a possible implementation, the connecting assembly is a combination of a screw rod and a nut.

[0011] In a possible implementation, the key main board is provided with a driving chip U1, and the driving chip U1 is electrically connected with the main key and the main contact point.

[0012] In a possible implementation, the key main board is further provided with a plurality of light emitting diodes, the light emitting diodes are electrically connected with the driving chip U1, and the key secondary board is also provided with a plurality of light emitting diodes, the light emitting diodes are electrically connected with the secondary contact point.

[0013] In a possible implementation, one light emitting diode is arranged near each main key, and one light emitting diode is arranged near each secondary key.

[0014] In a possible implementation, the key main board is further provided with a power supply circuit, and the power supply circuit is electrically connected with the driving chip U1.

[0015] In a possible implementation, the key main board is further provided with a master control interface P1, the master control interface P1 is electrically connected with the driving chip U1, and the master control interface P1 is used to connect a master control circuit board through a flat cable.

[0016] In a possible implementation, the key main board is further provided with a display interface P2, the display interface P2 is electrically connected with the master control interface P1, and the display interface P2 is used to connect a display circuit board through a flat cable.

[0017] The key circuit board for greenhouse control has the following advantages:

[0018] The key main board and the key secondary board are connected together in a splicing manner, the upgrading of the key circuit board is realized, in the case that other circuit boards are also upgraded, only a small cost needs to be spent to achieve the purpose of upgrading the control cabinet, and the original key circuit board is not idle, and the resource utilization is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 The structure diagram of the key main board provided by the embodiments of the present application.

[0021] Figure 2The structure schematic diagram of the key sub-plate provided by the embodiment of the present application.

[0022] Figure 3 The structure schematic diagram of the key main-plate and the key sub-plate provided by the embodiment of the present application after splicing.

[0023] Figure 4 The local structure schematic diagram of the key main-plate and the key sub-plate provided by the embodiment of the present application at the splicing position.

[0024] Figure 5 The key circuit diagram on the key main-plate provided by the embodiment of the present application.

[0025] Figure 6 The light emitting diode circuit diagram on the key main-plate provided by the embodiment of the present application.

[0026] Figure 7 The key circuit diagram on the key sub-plate provided by the embodiment of the present application.

[0027] Figure 8 The light emitting diode circuit diagram on the key sub-plate provided by the embodiment of the present application.

[0028] Figure 9 The driving chip circuit diagram provided by the embodiment of the present application.

[0029] Figure 10 The schematic diagram of the power supply circuit provided by the embodiment of the present application.

[0030] Figure 11 The master control interface circuit diagram provided by the embodiment of the present application.

[0031] Figure 12 The display interface circuit diagram provided by the embodiment of the present application.

[0032] The description of the reference numerals: 100, key main-plate; 110, main through hole; 120, main contact; 200, key sub-plate; 210, sub-through hole; 220, sub-contact; 300, adapter plate; 310, main adapter contact; 320, sub-adapter contact. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0034] Figures 1-4The structure schematic diagram of the key circuit board for greenhouse control is provided for the embodiment of the application. The key circuit board for greenhouse control comprises:

[0035] The key main board 100 is provided with a main through hole 110 at the edge, and a plurality of main keys are arranged on the key main board 100. A plurality of main contact points 120 are arranged on the key main board 100 at positions close to the main through hole 110.

[0036] The key auxiliary board 200 is provided with an auxiliary through hole 210 at the edge, and a plurality of auxiliary keys are arranged on the key auxiliary board 200. A plurality of auxiliary contact points 220 are arranged on the key auxiliary board 200 at positions close to the auxiliary through hole 210.

[0037] The adapter plate 300 is provided with an adapter through hole at each end edge. The main adapter contact points 310 and the auxiliary adapter contact points 320 are arranged on the adapter plate 300 at positions close to the adapter through holes at the two ends, respectively. The number of the main adapter contact points 310 is the same as that of the main contact points 120, and the positions of the main adapter contact points 310 and the main contact points 120 correspond to each other. The number of the auxiliary adapter contact points 320 is the same as that of the auxiliary contact points 220, and the positions of the auxiliary adapter contact points 320 and the auxiliary contact points 220 correspond to each other. The main adapter contact points 310 and the auxiliary adapter contact points 320 are connected in one-to-one correspondence.

[0038] When the key main board 100, the key auxiliary board 200 and the adapter plate 300 are spliced together, the main through hole 110 and the adapter through hole at one end are aligned, and the auxiliary through hole 210 and the adapter through hole at the other end are aligned. Then, the connecting components are respectively inserted through the aligned main through hole 110 and the adapter through hole, and the aligned auxiliary through hole 210 and the adapter through hole, so that the key main board 100 and the key auxiliary board 200 are connected together through the adapter plate 300. The main contact points 120 and the main adapter contact points 310 are in contact and thus electrically connected, and the auxiliary contact points 220 and the auxiliary adapter contact points 320 are in contact and thus electrically connected.

[0039] Exemplarily, the size of the key main board 100 and the key auxiliary board 200 is the same, so that the two are spliced to form a rectangular circuit board with a neat edge, which is convenient for installation in the control cabinet.

[0040] It should be understood that, in order to facilitate installation in the control cabinet, in addition to the through holes arranged on the key main board 100 and the key auxiliary board 200, a plurality of through mounting holes are arranged on the key main board 100 and the key auxiliary board 200. After the mounting columns arranged in the control cabinet are inserted through the mounting holes, the screws are tightened on the mounting columns, so that the key main board 100 and the key auxiliary board 200 are installed in the control cabinet.

[0041] For reference Figure 5 and 7The main keys include keys S1-S11, and the 11 main keys are arranged in a matrix form to form three rows and four columns. The first column DIG1 includes keys S1, S5 and S9, the second column DIG2 includes keys S2, S6 and S10, the third column DIG3 includes keys S3, S7 and S11, and the fourth column DIG4 includes keys S4 and S8. The first row A includes keys S1-S4, the second row B includes keys S5-S8, and the third row C includes keys S9-S11.

[0042] The sub keys include keys S12-S19, and the 8 sub keys are arranged in a matrix form to also form three rows and four columns. The first column DIG1 includes keys S13 and S17, the second column DIG2 includes keys S14 and S18, the third column DIG3 includes keys S15 and S19, and the fourth column DIG4 includes keys S12 and S16. The third row C includes key S12, the fourth row D includes keys S13-S16, and the fifth row E includes keys S17-S19.

[0043] In the embodiment of the application, the main contacts 120, the sub contacts 220, the main transfer contacts 310 and the sub transfer contacts 320 are all of tin material and protrude from the key main plate 100 and the key sub plate 200, so that after the key main plate 100, the key sub plate 200 and the transfer plate 300 are spliced together, the protruding contacts will contact each other, thereby forming an electrical connection, avoiding contact between the transfer plate 300 and the key main plate 100 and the key sub plate 200 at other positions, and causing a short circuit of the circuit board.

[0044] Specifically, the main contacts 120, the sub contacts 220, the main transfer contacts 310 and the sub transfer contacts 320 are all 9, and the 9 sub contacts 220 are respectively electrically connected with the first column DIG1, the second column DIG2, the third column DIG3, the fourth column DIG4, the third row C, the fourth row D, the fifth row E, the sixth row F and the seventh row G. After the transfer of the main contacts 120, the sub contacts 220, the main transfer contacts 310 and the sub transfer contacts 320, the rows and columns on the key sub plate 200 will be electrically connected with the corresponding rows and columns on the key main plate 100, thereby forming a functionally expanded key circuit board.

[0045] Further, the connecting assembly can be a combination of a screw rod and a nut, and of course a rivet can also be directly used.

[0046] In a possible embodiment, the key main plate 100 is provided with a driving chip U1, and the driving chip U1 is electrically connected with the main keys and the main contacts 120.

[0047] Exemplarily, the model of the driving chip U1 is TM1650. A plurality of light emitting diodes are arranged on the key main plate 100 and electrically connected with the driving chip U1, and a plurality of light emitting diodes are arranged on the key sub plate 200 and electrically connected with the sub contact 220.

[0048] Specifically, the light emitting diodes arranged on the key main plate 100 include light emitting diodes LED1-LED18, and the 18 light emitting diodes are also arranged in a matrix form, wherein the first column DIG1 includes light emitting diodes LED1, LED5, LED9, LED12, LED14 and LED16, the second column DIG2 includes light emitting diodes LED2, LED6, LED10, LED13, LED15 and LED17, the third column DIG3 includes light emitting diodes LED3, LED7, LED11 and LED18, and the fourth column DIG4 includes light emitting diodes LED4 and LED8.

[0049] The first row A includes light emitting diodes LED1-LED4, the second row B includes light emitting diodes LED5-LED8, the third row C includes light emitting diodes LED9-LED11, the sixth row F includes light emitting diodes LED12-LED13, the seventh row G includes light emitting diodes LED14-LED15, and the eighth row DP includes light emitting diodes LED16-LED17.

[0050] The light emitting diodes arranged on the key sub plate 200 include light emitting diodes LED19-LED30, and the 12 light emitting diodes are also arranged in a matrix form, wherein the first column DIG1 includes light emitting diodes LED20 and LED24, the second column DIG2 includes light emitting diodes LED29 and LED33, the third column DIG3 includes light emitting diodes LED22, LED26, LED27 and LED29, and the fourth column DIG4 includes light emitting diodes LED19, LED23, LED28 and LED30.

[0051] The third row C includes light emitting diodes LED19, the fourth row D includes light emitting diodes LED20-LED23, the fifth row E includes light emitting diodes LED24-LED26, the sixth row F includes light emitting diodes LED27-LED28, and the seventh row G includes light emitting diodes LED29-LED30.

[0052] The pins 1 and 5-7 of the driving chip U1 are electrically connected with the first column DIG1, the second column DIG2, the third column DIG3 and the fourth column DIG4 respectively, and the pins 8-9 and 11-16 of the driving chip U1 are electrically connected with the first row A, the second row B, the third row C, the fourth row D, the fifth row E, the sixth row F, the seventh row G and the eighth row DP respectively.

[0053] Further, a light emitting diode is arranged near each main key, and a light emitting diode is arranged near each sub key.

[0054] Specifically, on the key main plate 100, the key S1 and the light emitting diode LED1, the key S2 and the light emitting diode LED2, the key S3 and the light emitting diode LED3, the key S4 and the light emitting diode LED4, the key S5 and the light emitting diode LED5, the key S6 and the light emitting diode LED6, the key S7 and the light emitting diode LED7, the key S8 and the light emitting diode LED8, the key S9 and the light emitting diode LED9, the key S10 and the light emitting diode LED10, the key S11 and the light emitting diode LED11 correspond respectively, when a main key is pressed, the corresponding light emitting diode will be lighted. Specifically, the key S1 and the key S2 are used to control the forward rotation and the reverse rotation of the first cotton curtain motor respectively, the key S3 and the key S4 are used to control the forward rotation and the reverse rotation of the second cotton curtain motor respectively, the key S5 and the key S6 are used to control the forward rotation and the reverse rotation of the first air outlet motor respectively, the key S7 and the key S8 are used to control the forward rotation and the reverse rotation of the second air outlet motor respectively, the key S9 and the key S10 are used to control the motor in 1 gear or 2 gear respectively, and the key S11 is used to control the on-off of the emergency switch.

[0055] The light emitting diodes LED12-LED13 are used to indicate whether the first cotton curtain motor reaches the upper limit or the lower limit, when the upper limit or the lower limit is reached, the corresponding light emitting diode is lighted. The light emitting diodes LED14-LED15 are used to indicate whether the second cotton curtain motor reaches the upper limit or the lower limit, when the upper limit or the lower limit is reached, the corresponding light emitting diode is lighted. The light emitting diodes LED16-LED18 are used to indicate the power supply state, the network state and the fault state respectively.

[0056] On the key sub-board 200, the key S12 and the light-emitting diode LED 19, the key S13 and the light-emitting diode LED 20, the key S14 and the light-emitting diode LED 21, the key S15 and the light-emitting diode LED 22, the key S16 and the light-emitting diode LED 23, the key S17 and the light-emitting diode LED 24, the key S18 and the light-emitting diode LED 25, the key S19 and the light-emitting diode LED 26 correspond respectively, when a sub-key is pressed, the corresponding light-emitting diode will also be lit. Specifically, the key S12 and the key S13 are used to control the forward rotation and reverse rotation of the third curtain motor respectively, the key S14 and the key S15 are used to control the forward rotation and reverse rotation of the fourth curtain motor respectively, the key S16 and the key S17 are used to control the forward rotation and reverse rotation of the third air port motor respectively, and the key S18 and the key S19 are used to control the forward rotation and reverse rotation of the fourth air port motor respectively.

[0057] The light-emitting diodes LED 27-LED 28 are used to indicate whether the third curtain motor reaches the upper limit or the lower limit, when reaching the upper limit or the lower limit, the corresponding light-emitting diode is lit. The light-emitting diodes LED 29-LED 30 are used to indicate whether the fourth curtain motor reaches the upper limit or the lower limit, when reaching the upper limit or the lower limit, the corresponding light-emitting diode is lit.

[0058] In a possible embodiment, the key main board 100 is further provided with a power supply circuit, and the power supply circuit is electrically connected with the driving chip U1.

[0059] For example, the 3.3V power supply is connected to the pin 2 of the driving chip U1 after being divided by the resistor R39, and the 3.3V power supply is connected to the pin 3 of the driving chip U1 after being divided by the resistor R40.

[0060] In a possible embodiment, the key main board 100 is further provided with a master control interface P1, the master control interface P1 is electrically connected with the driving chip U1, and the master control interface P1 is used to connect the master control circuit board through the flat cable. The key main board 100 is further provided with a display interface P2, the display interface P2 is electrically connected with the master control interface P1, and the display interface P2 is used to connect the display circuit board through the flat cable.

[0061] For example, the master control interface P1 is a double-row 12-pin plug, the pin 3 and the pin 4 of which are electrically connected with the pin 2 and the pin 3 of the driving chip U1 respectively.

[0062] The display interface P2 is a single-row 8-pin plug, the pin 3 and the pin 4 of which are electrically connected with the pin 9 of the master control interface P1. The pin 5 of the display interface P2 is electrically connected with the pin 10 of the master control interface P1.

[0063] While the preferred embodiments of the application have been described, additional variations and modifications can be made to these embodiments by those skilled in the art once they have the benefit of the present disclosure without departing from the spirit and scope of the application. Accordingly, it is intended that such additions and modifications be included within the scope of the application. It is the following claims, including any amendments thereto, which define the scope of the application.

[0064] Obviously, numerous modifications and variations of the present application are possible in light of the above teachings. It is therefore to be understood that within the scope of the appended claims and their equivalents, the application can be practiced otherwise than as specifically described.

Claims

1. A button circuit board for greenhouse control, characterized in that, include: A button motherboard (100) has a main through hole (110) on its edge. The button motherboard (100) has multiple main buttons and multiple main contacts (120) near the main through hole (110). A button sub-plate (200) is provided with a sub-through hole (210) on its edge. Multiple sub-buttons are provided on the button sub-plate (200). Multiple sub-contacts (220) are provided on the button sub-plate (200) near the sub-through hole (210). The adapter plate (300) has adapter through holes at both ends. The adapter plate (300) has main adapter contact points (310) and auxiliary adapter contact points (320) at positions near the adapter through holes at both ends. The number of main adapter contact points (310) and main contacts (120) are the same and their positions correspond one-to-one. The number of auxiliary adapter contact points (320) and auxiliary contacts (220) are the same and their positions correspond one-to-one. The main adapter contact points (310) and auxiliary adapter contact points (320) are connected one-to-one. When the main button board (100), the sub-board (200), and the adapter board (300) are spliced ​​together, aligning the main through hole (110) with the adapter through hole at one end, and aligning the sub-through hole (210) with the adapter through hole at the other end, the connecting components are passed through the aligned main through hole (110) and adapter through hole, and the aligned sub-through hole (210) and adapter through hole, respectively, so that the main button board (100) and the sub-board (200) are connected together through the adapter board (300), the main contact (120) and the main adapter contact (310) make contact and are electrically connected, and the sub-contact (220) and the sub-Adapter contact (320) make contact and are electrically connected.

2. The button circuit board for greenhouse control according to claim 1, characterized in that, The connecting assembly is a combination of a screw and a nut.

3. A button circuit board for greenhouse control according to claim 1, characterized in that, The button motherboard (100) is provided with a driver chip U1, which is electrically connected to the main button and the main contact (120).

4. A button circuit board for greenhouse control according to claim 3, characterized in that, The main button board (100) is also provided with multiple light-emitting diodes, which are electrically connected to the driver chip U1. The sub-board (200) is also provided with multiple light-emitting diodes, which are electrically connected to the sub-contacts (220).

5. A button circuit board for greenhouse control according to claim 4, characterized in that, Each of the main buttons is equipped with an LED, and each of the secondary buttons is also equipped with an LED.

6. A button circuit board for greenhouse control according to claim 3, characterized in that, The button motherboard (100) is also provided with a power supply circuit, which is electrically connected to the driver chip U1.

7. A button circuit board for greenhouse control according to claim 3, characterized in that, The main button motherboard (100) is also provided with a main control interface P1, which is electrically connected to the driver chip U1. The main control interface P1 is used to connect to the main control circuit board via a ribbon cable.

8. A button circuit board for greenhouse control according to claim 7, characterized in that, The button motherboard (100) is also provided with a display interface P2, which is electrically connected to the main control interface P1. The display interface P2 is used to connect to the display circuit board via a ribbon cable.

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