Acquisition control module and engineering machinery

Abstract

The utility model discloses an acquisition control module and engineering machinery. The acquisition control module comprises a microprocessor which is electrically connected with the power supply circuit; the power supply circuit is electrically connected with the external interface circuit, and the power supply circuit is connected with a power supply through the external interface circuit to supply power to the microprocessor; the external interface circuit comprises a plurality of external interfaces and is connected with a data acquisition device of the engineering machinery through all the external interfaces so as to acquire analog quantity signals and switching value signals of the engineering machinery, comprehensive acquisition of signals of the engineering machinery is realized, and the external interface circuit is directly connected to the data acquisition device, so that signal interference is reduced; and the signal loss is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of engineering machinery, and in particular to a collection control module and engineering machinery. Background Art

[0002] As an important part of the torque limiter system of crawler cranes, the acquisition control board of construction machinery such as crawler cranes can collect analog signals and switch signals such as inclination sensors, tension sensors, pressure sensors, and anti-tilt limit switches of construction machinery to control the operation of construction machinery based on these signals. Therefore, as a key component of construction machinery, the acquisition control board plays a key role in the normal operation of construction machinery.

[0003] Existing construction machinery has only one data acquisition control board. The main arm, tower arm and other components of the construction machinery that need to collect signals need to be connected to the corresponding junction box through various wiring, and then the signal is transmitted through various intermediate channels, resulting in serious signal loss and complex lines, which is not conducive to signal collection and transmission. Utility Model Content

[0004] The purpose of the embodiments of the present application is to provide a collection control module and an engineering machine, so as to solve the problems in the prior art that the engineering machine has difficulty in collecting signals and the signals are easily interfered.

[0005] In order to achieve the above-mentioned purpose, the first aspect of the present application provides a collection control module, which is applied to engineering machinery. The collection control module includes:

[0006] a microprocessor electrically connected to the power circuit;

[0007] A power circuit is electrically connected to the external interface circuit, and the power circuit is connected to a power source through the external interface circuit to supply power to the microprocessor;

[0008] The external interface circuit includes a plurality of external interfaces. The external interface circuit is connected to the data acquisition device of the engineering machinery through all the external interfaces to collect analog signals and switch signals of the engineering machinery.

[0009] In the embodiment of the present application, each external interface includes a plurality of pins of the same number, and each external interface is electrically connected to the base plate of the data acquisition device through the corresponding pins.

[0010] In an embodiment of the present application, the acquisition control module also includes: an analog input circuit, which is electrically connected to the microprocessor and the external interface circuit respectively, and is used to convert the analog current signal in the analog signal into an analog voltage signal, and send the analog voltage signal to the microprocessor.

[0011] In an embodiment of the present application, the acquisition control module also includes: a switch quantity input circuit, which is electrically connected to the microprocessor and the external interface circuit, respectively, and is used to convert the switch quantity signal in the external interface circuit into high and low level signals, and send the high and low level signals to the microprocessor, wherein the switch quantity signal is input into the external interface circuit by multiple switches of the engineering machinery.

[0012] In an embodiment of the present application, the acquisition control module also includes: a CAN communication circuit, which is electrically connected to the microprocessor and the external interface circuit, respectively, for receiving data packets sent by the microprocessor, and sending the data packets to the display of the engineering machinery through the external interface circuit, wherein the data packets are generated by the microprocessor based on analog voltage signals and high and low level signals.

[0013] In the embodiment of the present application, the CAN communication circuit includes two CAN buses.

[0014] In an embodiment of the present application, the acquisition control module also includes: a high-side drive output circuit, which is electrically connected to the microprocessor and the external interface circuit, respectively, for receiving a level signal sent by the microprocessor, and supplying power to the load of the engineering machinery through the external interface circuit based on the level signal.

[0015] In an embodiment of the present application, the power supply circuit includes a first power supply and a second power supply, wherein the first power supply is used to power a microprocessor, an analog input circuit, a switch input circuit and a CAN communication circuit, and the second power supply is used to power a high-side drive output circuit.

[0016] In the embodiment of the present application, the first power supply and the second power supply are both 24V power supplies.

[0017] A second aspect of the present application provides an engineering machine, comprising:

[0018] data collection device; and

[0019] The acquisition control module mentioned above.

[0020] Through the above technical scheme, the microprocessor and external interface circuit of the acquisition control module can be powered directly through the power supply circuit of the acquisition control module, without the need for other external power supplies, thus saving costs; the data acquisition device of the engineering machinery is connected through the external interface circuit to collect the analog signals and switch signals of the engineering machinery, thereby realizing comprehensive signal acquisition of the engineering machinery, and directly connecting to the data acquisition device reduces signal interference and reduces signal loss.

[0021] Other features and advantages of the embodiments of the present application will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The structure block diagram of a collection control module according to an embodiment of the present application is schematically shown;

[0023] Figure 2 A schematic diagram of a collection control module according to an embodiment of the present application is schematically shown;

[0024] Figure 3 A first schematic diagram of an external interface according to an embodiment of the present application is schematically shown;

[0025] Figure 4 A second schematic diagram of an external interface according to an embodiment of the present application is schematically shown;

[0026] Figure 5 A third schematic diagram of an external interface according to an embodiment of the present application is schematically shown;

[0027] Figure 6 A schematic diagram of an engineering machine according to an embodiment of the present application is schematically shown;

[0028] Figure 7 A schematic diagram of a data acquisition device according to an embodiment of the present application is schematically shown. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. It should be understood that the specific implementation methods described herein are only used to illustrate and explain the embodiments of the present application, and are not used to limit the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0030] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0031] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0032] Figure 1 The structure block diagram of a collection control module according to an embodiment of the present application is schematically shown. Figure 1 As shown, the embodiment of the present application provides a collection control module, which is applied to engineering machinery. The collection control module 100 includes:

[0033] Microprocessor 101, and power supply circuit 102;

[0034] The power supply circuit 102 is electrically connected to the external interface circuit 103. The power supply circuit 102 is connected to a power source through the external interface circuit 103 to supply power to the microprocessor 101.

[0035] The external interface circuit 103 includes a plurality of external interfaces. The external interface circuit is connected to the data acquisition device of the engineering machinery through all the external interfaces to collect analog signals and switch signals of the engineering machinery.

[0036] The acquisition control module 100 includes a microprocessor 101, a power supply circuit 102, and an external interface circuit 103. The microprocessor circuit 101 is electrically connected to the power supply circuit 102. The power supply circuit 102 is electrically connected to the external interface circuit 103.

[0037] The power supply circuit 102 can be connected to a power supply through the external interface circuit 103 to supply power to the microprocessor 101. The external interface circuit 103 includes a plurality of external interfaces. In the embodiment of the present application, each external interface includes a plurality of pins of the same number, and each external interface is electrically connected to the bottom plate of the data acquisition device through a corresponding pin. Each external interface includes a plurality of pins of the same number, for example, each external interface may include a 28-pin pin. Each external interface is electrically connected to the bottom plate of the data acquisition device through a corresponding pin. The external interface circuit 103 can be connected to the data acquisition device of the engineering machinery through all the external interfaces to collect the analog signals and switch signals of the engineering machinery.

[0038] In an embodiment of the present application, the acquisition control module also includes: an analog input circuit, which is electrically connected to the microprocessor and the external interface circuit respectively, and is used to convert the analog current signal in the analog signal into an analog voltage signal, and send the analog voltage signal to the microprocessor.

[0039] The acquisition control module also includes an analog input circuit. The analog input circuit is electrically connected to the microprocessor and the external interface circuit respectively. The analog input circuit can convert the analog current signal in the analog signal collected by the external interface circuit into an analog voltage signal. After converting the analog current signal into the analog voltage signal, the analog input circuit can send the analog voltage signal to the microprocessor.

[0040] In an embodiment of the present application, the acquisition control module also includes: a switch quantity input circuit, which is electrically connected to the microprocessor and the external interface circuit, respectively, and is used to convert the switch quantity signal in the external interface circuit into high and low level signals, and send the high and low level signals to the microprocessor, wherein the switch quantity signal is input into the external interface circuit by multiple switches of the engineering machinery.

[0041] The acquisition control module also includes a switch quantity input circuit. The switch quantity input circuit is electrically connected to the microprocessor and the external interface circuit respectively. The switch quantity input circuit can convert the switch quantity signal in the external interface circuit into a high and low level signal, such as a high level of 3.3V and a low level of 0V. After converting the switch quantity signal into a high and low level signal, the switch quantity input circuit can send the high and low level signal to the microprocessor. Among them, the switch quantity signal is input into the external interface circuit by multiple switches of the engineering machinery.

[0042] In an embodiment of the present application, the acquisition control module also includes: a CAN communication circuit, which is electrically connected to the microprocessor and the external interface circuit, respectively, for receiving data packets sent by the microprocessor, and sending the data packets to the display of the engineering machinery through the external interface circuit, wherein the data packets are generated by the microprocessor based on analog voltage signals and high and low level signals.

[0043] The acquisition control module also includes a CAN communication circuit. In an embodiment of the present application, the CAN communication circuit includes two CAN buses. The CAN communication circuit is electrically connected to the microprocessor and the external interface circuit respectively. The CAN communication circuit can receive a data packet sent by the microprocessor. After receiving the data packet sent by the microprocessor, the CAN communication circuit can send the data packet to the display of the engineering machinery through the external interface circuit. Among them, the data packet is generated by the microprocessor according to the analog voltage signal and the high and low level signals.

[0044] In an embodiment of the present application, the acquisition control module also includes: a high-side drive output circuit, which is electrically connected to the microprocessor and the external interface circuit, respectively, for receiving a level signal sent by the microprocessor, and supplying power to the load of the engineering machinery through the external interface circuit based on the level signal.

[0045] The acquisition control module also includes a high-side drive output circuit. The high-side drive output circuit is electrically connected to the microprocessor and the external interface circuit respectively. The high-side drive output circuit can receive a level signal sent by the microprocessor. After receiving the level signal sent by the microprocessor, the high-side drive output circuit can supply power to the load of the engineering machinery through the external interface circuit based on the level signal, for example, the arm headlight of the engineering machinery. For example, the microprocessor sends a high level of 3.3V. After receiving the high level of 3.3V, the high-side drive output circuit can provide corresponding direct current to the loads such as the arm headlight of the engineering machinery through the external interface circuit. The microprocessor sends a low level of 0.1V. After receiving the low level of 0.1V, the high-side drive output circuit can stop supplying power to the loads such as the arm headlight of the engineering machinery.

[0046] In an embodiment of the present application, the power supply circuit includes a first power supply and a second power supply, wherein the first power supply is used to power a microprocessor, an analog input circuit, a switch input circuit and a CAN communication circuit, and the second power supply is used to power a high-side drive output circuit.

[0047] The power supply circuit may include a first power supply and a second power supply. In an embodiment of the present application, the first power supply and the second power supply are both 24V power supplies. The first power supply is used to supply power to the microprocessor, the analog input circuit, the switch input circuit, and the CAN communication circuit. The second power supply is used to supply power to the high-side drive output circuit.

[0048] In the embodiments of the present application, Figure 2 As shown, the acquisition control module includes a microprocessor, a power supply circuit, an analog input circuit, a switch input circuit, a CAN communication circuit, a high-side drive output circuit and an external interface circuit.

[0049] The microprocessor is electrically connected to the power supply circuit, analog input circuit, switch input circuit, CAN communication circuit, and high-side drive output circuit respectively. The power supply circuit is electrically connected to the analog input circuit, switch input circuit, CAN communication circuit, and high-side drive output circuit respectively. The external interface circuit is electrically connected to the power supply circuit, analog input circuit, switch input circuit, CAN communication circuit, and high-side drive output circuit respectively.

[0050] The power supply circuit includes a first power supply and a second power supply. The first power supply is electrically connected to a microprocessor, an analog input circuit, a switch input circuit, and a CAN communication circuit. The second power supply is electrically connected to a high-side drive output circuit. The first power supply and the second power supply of the power supply circuit are both 24V power supplies. The power supply circuit can be connected to a power supply through an external interface circuit to supply power to the microprocessor, the analog input circuit, the switch input circuit, the CAN communication circuit, and the high-side drive output circuit.

[0051] The external interface circuit includes three 28-pin pins, namely X1, X2, and X3. Figure 3 As shown, X1 includes three grounded interfaces (4, 10, 18), two groups of CAN communication interfaces (11 and 25 are low of CAN1, 12 and 26 are high of CAN1; 13 and 27 are high of CAN2, 14 and 28 are low of CAN2) and other interfaces connected to the baseboard of the data acquisition device (1 analog signal input channel AI15, 2 analog signal input channel AI 14, 3 analog signal input channel AI12, 5 analog signal input channel AI10, 6 analog signal input channel AI08, 7 analog signal input channel AI06, 8 analog signal input channel AI04, 9 analog signal input channel AI02, 15 interface, 16 analog signal input channel AI13, 17 analog signal input channel AI11, 19 analog signal input channel AI09, 20 analog signal input channel AI07, 21 analog signal input channel AI05, 22 analog signal input channel AI03, 23 analog signal input channel AI01, 24 interface).

[0052] like Figure 4 As shown, X2 includes 6 grounded interfaces (2, 11, 12, 13, 14, 16), 4 interfaces (25, 26, 27, 28) connected to the 24V input (24V_IN1), and other interfaces connected to the baseboard of the data acquisition device (1 interface, 3 switch signal input channel DI13, 4 switch signal input channel DI11, 5 switch signal input channel DI09, 6 switch signal input channel DI07, 7 switch signal input channel DI05, 8 switch signal input channel DI03, 9 switch signal input channel DI01, 10 acquisition box address coding switch signal BORD_ID3, 15 interface, 17 switch signal input channel DI12, 18 switch signal input channel DI10, 19 switch signal input channel DI08, 20 switch signal input channel DI06, 21 switch signal input channel DI04, 22 switch signal input channel DI02, 23 acquisition box address coding switch signal BORD_ID1, 24 acquisition box address coding switch signal BORD_ID2).

[0053] like Figure 5As shown, X3 includes 8 interfaces (1, 2, 3, 4, 5, 6, 7, 8) connected to the 24V input (24V_IN2), 8 grounded interfaces (9, 10, 11, 12, 13, 14, 17, 20) and an interface connected to the baseboard of the data acquisition device (15 high-side driver output channel HS002, 16 high-side driver output channel HS001, 18 high-side driver output channel HS004, 19 high-side driver output channel HS003, 21 high-side driver output channel HS006, 22 high-side driver output channel HS005, 23 interface, 24 high-side driver output channel HS008, 25 high-side driver output channel HS007, 26 interface, 27 high-side driver output channel HS010, 28 high-side driver output channel HS009).

[0054] After the external interface circuit is electrically connected to the data acquisition device of the engineering machinery, the analog quantity and switch quantity signals of the inclination sensor, tension sensor, pressure sensor, etc. of the engineering machinery can be collected. The analog quantity input circuit receives the analog current signal sent by the external interface circuit, and converts the analog current signal in the analog quantity signal into an analog voltage signal within 3.3V. After converting the analog current signal into an analog voltage signal, the analog quantity input circuit can send the analog voltage signal to the microprocessor.

[0055] After the external interface circuit is electrically connected to the data acquisition device of the engineering machinery, it can receive switch signals such as the address coding switch, anti-tilt switch, and overwind switch of the engineering machinery, and send the switch signals to the switch input circuit. The switch input circuit can convert the switch signal into a high level of 3.3V or a low level of 0V. After converting the switch signal into a high level or a low level, the switch input circuit can send the high level or the low level to the microprocessor.

[0056] The CAN communication circuit may include two CAN channels, supporting 4Mbit / s communication. The CAN communication circuit may receive a data packet sent by the microprocessor, and send the data packet to the display of the engineering machinery through the external interface circuit. The CAN communication circuit may also receive a data packet sent by the display through the external interface circuit, and send the data packet sent by the display to the microprocessor.

[0057] The high-side driver output circuit can receive the level signal sent by the microprocessor, and supply power to the arm headlight of the engineering machinery through the external interface circuit according to the level signal. The high-side driver output circuit can also supply power to the anemometer of the engineering machinery through the external interface circuit to achieve heating and deicing of the anemometer.

[0058] In the embodiments of the present application, Figure 6As shown, the construction machinery may be a crawler crane, and the data acquisition device of the crawler crane may include a tower arm head acquisition box, a main arm head acquisition box, and a turntable acquisition box. The tower arm head acquisition box is installed on the tower arm head of the crawler crane, the main arm head acquisition box is installed on the main arm head of the crawler crane, and the turntable acquisition box is installed on the turntable of the crawler crane. A display is installed in the cab of the crawler crane.

[0059] like Figure 7 As shown, the data acquisition device may include a turntable acquisition box, a main arm head acquisition box, and a tower arm head acquisition box. The display is electrically connected to the turntable acquisition box, the turntable acquisition box is electrically connected to the main arm head acquisition box, and the main arm head acquisition box is electrically connected to the tower arm head acquisition box. Data can be transmitted between the display and the turntable acquisition box, between the turntable acquisition box and the main arm head acquisition box, and between the main arm head acquisition box and the tower arm head acquisition box.

[0060] The tower arm head acquisition box, the main arm head acquisition box and the turntable acquisition box can all acquire the switch quantity signals and analog signals of the crawler crane. The tower arm head acquisition box, the main arm head acquisition box and the turntable acquisition box all include a bottom plate, and the bottom plate of each acquisition box can be electrically connected to an acquisition control module. Each acquisition control module includes a microprocessor, a power supply circuit, an analog input circuit, a switch quantity input circuit, a CAN communication circuit, a high-side drive output circuit and an external interface circuit. The tower arm head acquisition box, the main arm head acquisition box and the turntable acquisition box can all respectively acquire the switch quantity signals and analog signals at the tower arm, the main arm and the turntable of the crawler crane, and transmit the acquired analog signals and switch quantity signals to the corresponding acquisition control module through the bottom plate. The analog signals and switch signals of the tower arm, main arm and turntable of the crawler crane are processed separately through each acquisition control module, so that the analog signals and switch signals of the crawler crane are sent to the corresponding acquisition control module through the bottom plate of each acquisition box, which improves the anti-interference ability of the signal, reduces the complexity of wiring, and makes signal transmission and processing more convenient.

[0061] Through the above technical solution, comprehensive signal collection of engineering machinery is achieved, and it is directly connected to the data acquisition device, which reduces signal interference and signal loss.

[0062] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, commodity or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, commodity or device. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the process, method, commodity or device including the elements.

[0063] The above are only embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included within the scope of the claims of the present application.

Claims

1. A collection control module, characterized in that: Applied to engineering machinery, the acquisition control module includes: a microprocessor electrically connected to the power circuit; The power supply circuit is electrically connected to the external interface circuit, and the power supply circuit is connected to a power source through the external interface circuit to supply power to the microprocessor; The external interface circuit includes a plurality of external interfaces. The external interface circuit is connected to the data acquisition device of the engineering machinery through all the external interfaces to acquire the analog quantity signals and switch quantity signals of the engineering machinery.

2. The acquisition control module according to claim 1, characterized in that: Each external interface includes a plurality of pins of the same number, and each external interface is electrically connected to the bottom plate of the data acquisition device through the corresponding pins.

3. The acquisition control module according to claim 1, characterized in that: The acquisition control module also includes: The analog quantity input circuit is electrically connected to the microprocessor and the external interface circuit respectively, and is used for converting the analog current signal in the analog quantity signal into an analog voltage signal, and sending the analog voltage signal to the microprocessor.

4. The acquisition control module according to claim 1, characterized in that: The acquisition control module also includes: The switch quantity input circuit is electrically connected to the microprocessor and the external interface circuit respectively, and is used to convert the switch quantity signal in the external interface circuit into high and low level signals, and send the high and low level signals to the microprocessor, wherein the switch quantity signal is input into the external interface circuit by multiple switches of the engineering machinery.

5. The acquisition control module according to claim 1, characterized in that: The acquisition control module also includes: The CAN communication circuit is electrically connected to the microprocessor and the external interface circuit respectively, and is used to receive data packets sent by the microprocessor and send the data packets to the display of the engineering machinery through the external interface circuit, wherein the data packets are generated by the microprocessor based on analog voltage signals and high and low level signals.

6. The acquisition control module according to claim 5, characterized in that: The CAN communication circuit includes two CAN buses.

7. The acquisition control module according to claim 1, characterized in that: The acquisition control module also includes: The high-side drive output circuit is electrically connected to the microprocessor and the external interface circuit respectively, and is used to receive the level signal sent by the microprocessor, and supply power to the load of the engineering machinery through the external interface circuit based on the level signal.

8. The acquisition control module according to claim 1, characterized in that: The power supply circuit includes a first power supply and a second power supply, wherein the first power supply is used to supply power to the microprocessor, the analog input circuit, the switch input circuit and the CAN communication circuit, and the second power supply is used to supply power to the high-side drive output circuit.

9. The acquisition control module according to claim 8, characterized in that: The first power supply and the second power supply are both 24V power supplies.

10. An engineering machine, characterized in that: include: Data acquisition device; as well as An acquisition control module according to any one of claims 1 to 9.

Images