CN217318615U

CN217318615U - Agitating lorry and control circuit thereof

Info

Publication number: CN217318615U
Application number: CN202220723284.7U
Authority: CN
Inventors: 卢成春; 熊敏; 宫梦伟; 张院院
Original assignee: Anhui Hualing Automobile Co Ltd
Current assignee: Anhui Hualing Automobile Co Ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-08-30
Anticipated expiration: 2032-03-30

Abstract

The application discloses trucd mixer and control circuit thereof relates to the electronic circuit field. The utility model provides a control circuit, be applied to the trucd mixer, contain first switch, the second switch, the third switch, battery and control motor, through first switch, the third switch is closed when the battery normally works, thereby when control battery provides power for control motor, charge for the battery, after the battery trouble, break off first switch, the third switch, closed second switch, thereby use the battery to provide power for control motor, compare the simple control circuit who is connected through battery and control motor in the past, protective measures has been added to the control circuit that this application provided, when the battery trouble, can be replaced by the battery for supplying power, thereby guarantee the trucd mixer normal operating, prevent that the interior concrete of trucd mixer from condensing, economic loss has been reduced.

Description

Agitating lorry and control circuit thereof

Technical Field

The application relates to the field of circuit electronics, in particular to a mixer truck and a control circuit thereof.

Background

In recent years, along with the urbanization progress is accelerated, the building industry scale is bigger and bigger, consequently also more and more to the application of mixer, present pure electric mixer truck generally adopts the facial make-up motor to drive the agitator tank and rotates, realizes the function of the feeding of agitator tank, stirring and the ejection of compact. The basic driving process provides energy for the power battery and outputs the energy to the upper motor, and the upper motor drives the stirring tank to rotate through the speed reducer.

The control circuit of current trucd mixer is only simply to be connected the battery with the control motor of mixer, because do not have the safety protection measure, when letting the battery go wrong seriously owing to industrial accident, perhaps unexpected circumstances such as voltage overload, the relay disconnection of battery leads to the unpowered output of facial make-up motor to make agitator tank stop rotating, lead to concrete in the agitator tank to condense, thereby cause the loss of economy and manpower.

In view of the above-mentioned technologies, a control circuit capable of ensuring normal operation of a battery of a mixer truck after a failure is needed to be found.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mixer truck to solve current mixer truck when the battery trouble, there is not emergency treatment measure, lead to agitator tank stall, thereby the problem of the concrete knot jar in the agitator tank that arouses.

In order to solve the technical problem, the application provides a control circuit, is applied to the trucd mixer, includes: the device comprises a first switch, a second switch, a third switch, a storage battery and a control motor;

the battery and the storage battery form a first loop, the storage battery and the control motor form a second loop, and the battery and the control motor form a third loop;

the first switch is arranged on the third loop outside the common part of the third loop and the second loop;

the second switch is arranged on the second loop outside the common part of the third loop and the second loop;

the third switch is arranged on the first loop outside the common part of the first loop and the third loop;

when the battery works normally, the first switch and the third switch are closed, the second switch is disconnected, and when the battery fails, the first switch and the third switch are disconnected, and the second switch is closed.

Preferably, the control circuit further comprises: a fourth switch;

the anode of the battery is connected with the first end of the fourth switch, the second end of the fourth switch is connected with the first end of the first switch, the second end of the first switch is connected with the first end of the control motor, and the second end of the control motor is connected with the cathode of the battery;

the first end of the second switch is connected with the anode of the storage battery, the second end of the second switch is connected with the first end of the control motor, and the cathode of the storage battery is connected with the second end of the control motor;

the first end of the third switch is connected with the anode of the storage battery, and the second end of the third switch is connected with the anode of the battery.

Preferably, the control motor further comprises a hydraulic valve for controlling the rotation direction of the agitator tank after a failure.

Preferably, the first switch, the second switch, the third switch and the fourth switch are all relays.

Preferably, the control circuit further comprises: a pre-charge relay connected in parallel with the third switch.

Preferably, the control motor is further configured to detect whether the agitator tank is fed after the battery fails, and if so, control the agitator tank to rotate at a constant speed according to a preset speed.

Preferably, the control motor is further configured to detect whether the voltage of the storage battery is greater than a preset voltage after the battery fails and if the agitator tank is detected to be not feeding, control the agitator tank to rotate at a preset required rotation speed if the voltage of the storage battery is greater than the preset voltage, and control the agitator tank to rotate at a constant speed at a preset speed if the voltage of the storage battery is not greater than the preset voltage.

Preferably, the control circuit further comprises:

and the alarm device is connected with the battery and gives an alarm when the battery fault is detected.

Preferably, the control motor further includes: an emergency controller for switching the DC-AC module of the control motor from a high-voltage mode to a low-voltage mode.

In order to solve the above problem, the present application further provides a mixer truck, including the above control circuit.

The utility model provides a control circuit, be applied to the trucd mixer, contain first switch, the second switch, the third switch, battery and control motor, through first switch, the third switch is closed when the battery normally works, thereby when control battery provides power for control motor, charge for the battery, after the battery trouble, break off first switch, the third switch, closed second switch, thereby use the battery to provide power for control motor, compare the simple control circuit who is connected through battery and control motor in the past, protective measures has been added to the control circuit that this application provided, when the battery trouble, can be replaced by the battery for supplying power, thereby guarantee the trucd mixer normal operating, prevent that the interior concrete of trucd mixer from condensing, economic loss has been reduced.

The application provides a trucd mixer contains above-mentioned control circuit, therefore beneficial effect is the same as above.

Drawings

In order to more clearly illustrate the embodiments of the present application, the drawings needed for the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.

Fig. 1 is a circuit diagram of a control circuit according to an embodiment of the present disclosure.

Detailed Description

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, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the present application.

The core of this application is to provide a control circuit to in the time of solving current trucd mixer and battery trouble, there is not emergency treatment measure, lead to agitator tank stall, thereby the problem of the concrete knot jar in the agitator tank that arouses

In order that those skilled in the art will better understand the disclosure, the following detailed description will be given with reference to the accompanying drawings.

Fig. 1 is a circuit diagram of a control circuit provided in an embodiment of the present application, and is applied to a mixer truck, as shown in fig. 1, the control circuit includes: a first switch S1, a second switch S2, a third switch S3, a battery 1, and a control motor 2;

the battery 3 and the storage battery 1 form a first loop, the storage battery 1 and the control motor 2 form a second loop, and the battery 3 and the control motor 2 form a third loop;

the first switch S1 is disposed on the third loop outside the common portion of the third loop and the second loop;

the second switch S2 is disposed on the second loop outside the common portion of the third loop and the second loop;

the third switch S3 is disposed on the first loop outside of a portion common to the first loop and the third loop;

when the battery 3 is in normal operation, the first switch S1 and the third switch S3 are closed, and the second switch S2 is opened, and when the battery 3 is in failure, the first switch S1 and the third switch S3 are opened, and the second switch S2 is closed.

It should be noted that fig. 1 is only one of the control circuits provided for the present embodiment, and the control circuit in the present embodiment is not limited by what is shown in fig. 1, and the control circuit may include more or fewer devices than those in fig. 1, and it is understood that the first switch S1, the second switch S2, and the third switch S3 in the present embodiment are all control switches, and may be, for example, transistors, relays, and the like, and in the present embodiment, the type of the switch and the specific model under the relevant type are not limited.

The device for converting chemical energy into electric energy is called a chemical battery, generally called a battery for short. After discharge, the internal active material can be regenerated by means of charging-electrical energy is stored as chemical energy; chemical energy is converted into electrical energy again when electrical discharge is required. Such batteries are called Storage batteries (batteries), also called secondary batteries. A storage battery is an electrochemical device that stores chemical energy and emits electrical energy when necessary. In the present embodiment, the type and model of the storage battery 1 and the characteristics thereof are not limited, and the control motor 2 is a motor for controlling the motion of the stirring tank, it is understood that the control motor 2 may be an integrated device, that is, all the contents of the control device related to the stirring vehicle may be the control motor 2 mentioned in the present embodiment, and the specific contents and specific structural components of the control motor 2 are not limited in the present embodiment.

It can be understood that the battery 3 and the storage battery 1 form a first loop, the storage battery 1 and the control motor 2 form a second loop, the battery 3 and the control motor 2 form a third loop, and regarding the connection mode, the anode of the storage battery 1 is connected with the anode of the battery 3 for charging, and there is no limitation on the specific setting positions of the first switch S1, the second switch S2 and the third switch S3, that is, there is no limitation on the specific connection mode of the circuit, it can be understood that when the battery 3 works normally, the circuit charges the storage battery 1 by the battery 3 and supplies power to the control motor 2, and when the battery 3 fails, the connection related to the battery 3 is disconnected, and the storage battery 1 supplies power to the control motor 2 independently.

In the present embodiment, the method and the device for detecting the failure of the battery 3 are not limited, and generally, the vehicle control unit is used to control the battery management system to detect the state of charge of the battery, wherein the vehicle control unit is a core control component of the entire vehicle and is equivalent to the brain of the vehicle. The automobile brake system collects signals of an accelerator pedal, signals of a brake pedal and other parts, and controls the action of each part controller on the lower layer after corresponding judgment is made, so as to drive the automobile to normally run. As a command management center of an automobile, the main functions of the whole automobile controller comprise: the system comprises a driving torque control device, a brake energy optimization control device, a whole vehicle energy management device, a CAN network maintenance and management device, a fault diagnosis and treatment device, a vehicle state monitoring device and the like, wherein the driving torque control device, the brake energy optimization control device, the whole vehicle energy management device, the CAN network maintenance and management device, the fault diagnosis and treatment device, the vehicle state monitoring device and the like play a role in controlling vehicle operation. The battery management system is used for intelligently managing and maintaining each battery unit, preventing the battery from being overcharged and overdischarged, prolonging the service life of the battery and monitoring the state of the battery.

The control circuit provided by the application comprises a first switch S1, a second switch S2, a third switch S3, a storage battery 1 and a control motor 2, wherein the first switch S1 is used for closing the third switch S3 when the battery normally works, so that the battery is controlled to provide power for the control motor 2 and simultaneously the storage battery 1 is charged, after the battery fails, the first switch S1 is disconnected, the third switch S3 is used for closing the second switch S2, so that the storage battery 1 is used for providing power for the control motor 2, compared with the traditional control circuit simply connected with the control motor 2 through the battery 3, the control circuit provided by the application is added with a protection measure, when the battery 3 fails, the storage battery 1 can be used for supplying power, the normal operation of a stirring tank is ensured, the concrete in the stirring tank is prevented from being condensed, and the economic loss is reduced.

The specific connection manner of the circuit in the above embodiment is not limited, so that a preferable scheme is proposed herein, and as shown in fig. 1, the control circuit further includes: a fourth switch S4;

the anode of the battery 3 is connected with the first end of the fourth switch S4, the second end of the fourth switch S4 is connected with the first end of the first switch S1, the second end of the first switch S1 is connected with the first end of the control motor 2, and the second end of the control motor 2 is connected with the cathode of the battery 3;

a first end of the second switch S2 is connected with the anode of the storage battery 1, a second end of the second switch S2 is connected with a first end of the control motor 2, and the cathode of the storage battery 1 is connected with a second end of the control motor 2;

a first terminal of the third switch S3 is connected to the anode of the battery 1, and a second terminal of the third switch S3 is connected to the anode of the battery 3.

The present embodiment does not limit the specific type of the fourth switch S4, as in the previous embodiment, the fourth switch S4 is added to the control circuit, and the positions of the first three switches in the circuit are simultaneously limited, so that the whole circuit can be controlled to be opened and closed by the fourth switch S4, and various connection modes in the circuit can be realized by controlling other switches, for example, the fourth switch S4 can be controlled to be closed, the first switch S1 is closed, other switches are opened, so that the battery 3 can independently supply power to the control motor 2, and the present embodiment can be used when the storage battery 1 needs maintenance, or the fourth switch S4 is controlled to be closed, the first switch S1 is opened, the second switch S2 is opened, and the third switch S3 is closed, so that the battery 3 is only connected with the storage battery 1, and the present embodiment can be used when the storage battery 1 is too low in charge and the control motor 2 is not in operation, and the like, through the connection mode, most control conditions can be adapted, and therefore the applicability of the control circuit is improved.

The specific content of the control motor 2 in the above embodiment is not limited, and it is preferable that the control motor 2 further includes a hydraulic valve for controlling the rotation direction of the agitator tank after a failure occurs.

The hydraulic valve is an automatic element operated by pressure oil, is controlled by the pressure oil of a pressure distribution valve, is usually combined with an electromagnetic pressure distribution valve for use, and can be used for remotely controlling the connection and disconnection of oil, gas and water pipeline systems of hydropower stations. It is commonly used for oil circuits of clamping, controlling, lubricating and the like. The direct-acting type and the pilot type are divided into a multi-purpose pilot type. It is divided into a one-way valve and a reversing valve according to the application. The one-way valve only allows the fluid to be connected in one direction in the pipeline and is cut off in the opposite direction. The reversing valve changes the on-off relation between different pipelines. Dividing the valve core into two positions, three positions and the like according to the working position of the valve core in the valve body; dividing two-way, three-way, four-way, five-way and the like according to the number of the controlled channels; the valve core driving mode includes manual, mechanical, electric, hydraulic and the like. It will be appreciated that the hydraulic valve in this embodiment is a reversing valve for controlling the direction of rotation of the drum when the battery 3 fails.

The embodiment provides that a hydraulic valve is added in a control motor 2 to control the reversing of the stirring tank after the battery 3 breaks down, so that the normal work of discharging and feeding of the stirring tank is maintained.

In the above embodiments, the specific types of the first switch S1, the second switch S2, and the third switch S3 and the fourth switch S4 are not limited, and it is preferable that the first switch S1, the second switch S2, the third switch S3, and the fourth switch S4 are relays.

A relay, also known as a relay, is an electronic control device having a control system (also known as an input loop) and a controlled system (also known as an output loop), which is commonly used in automatic control circuits, and which is actually an "automatic switch" that uses a small current to control a large current. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like.

In the present embodiment, the type of the switch is defined, that is, the switches in the above embodiments are all relays, so that the automation and safety of the circuit shutdown are ensured.

In the above embodiment, the first switch S1, the second switch S2, the third switch S3 and the fourth switch S4 are all defined as relays, and considering that the sudden change of current in the circuit may cause the relays to be burnt, a preferable scheme is proposed herein, and the control circuit further includes: the precharge relay S5, the precharge relay S5 and the third switch S3 are connected in parallel.

It should be noted that the pre-charge relay S5 is configured to close before the first switch S1 is closed, so that voltages at two ends of the first switch S1 are the same, thereby preventing the first switch S1 from being burnt, ensuring safety of the control circuit, and after the first switch S1 is closed, the pre-charge relay S5 is opened, so that it can be understood that the pre-charge relay S5 is a dedicated protection-type relay against sudden current change.

In consideration of the problem of the electric quantity of the storage battery 1, a preferable scheme is provided, and the control motor 2 is also used for detecting whether the stirring tank is fed or not after the battery fails, and if so, controlling the stirring tank to rotate at a constant speed according to a preset speed.

It should be noted that, in this embodiment, how to detect whether the motor fails is the same as the method used in the above embodiment, and a specific manner of detecting whether the agitator tank is fed is not limited, and the method may be performed by controlling sensor information in the motor 2, or by manual setting, and the like, and since the electric quantity of the storage battery 1 is limited, the agitator tank is guaranteed to continuously operate for the longest time without causing tank junction, and therefore, regardless of the rotation speed required by the current feeding of the agitator tank, the agitator tank is guaranteed to rotate at the preset speed, so that the emergency processing time of the failure is increased, and it is relatively guaranteed that the agitator tank does not have the tank junction phenomenon, and in this embodiment, the preset speed is not specifically limited.

Considering that when the concrete materials are not fed, the existing concrete materials in the stirring tank are subjected to emergency fault treatment, the preferable scheme is provided, and the control motor 2 is further used for detecting whether the voltage of the storage battery 1 is greater than the preset voltage or not after the battery fails and if the stirring tank is detected to be not fed, controlling the stirring tank to rotate at the set required rotating speed if the voltage is greater than the preset voltage, and controlling the stirring tank to rotate at the constant speed at the preset speed if the voltage is not greater than the preset voltage.

It should be noted that, in this embodiment, it is detected whether the voltage of the storage battery 1 is greater than the preset voltage, that is, it is detected whether the power in the storage battery 1 is enough to discharge all the remaining materials in the agitator tank, and therefore the preset voltage also changes correspondingly with the amount of the remaining materials in the agitator tank, so that by controlling the corresponding program in the motor 2, a function diagram of the preset voltage and the remaining materials in the agitator tank can be established, so as to calculate the preset voltage, when the voltage in the storage battery 1 is greater than the preset voltage, that is, when the voltage in the agitator tank is enough to discharge the materials in the agitator tank, the rotation is performed according to the set requirement, so as to discharge all the materials out of the agitator tank as soon as possible, thereby avoiding tank blockage, when the voltage in the storage battery 1 is less than the preset voltage, all the materials cannot be discharged out of the agitator tank, and at this time, the rotation is performed at a constant speed, so as to avoid tank blockage.

Considering that the amount of electricity in the storage battery 1 is limited, the mixer truck cannot be maintained in the working state all the time, and therefore, after the battery 3 fails, a worker needs to be reminded to perform treatment, so that a preferable scheme is proposed, and the control circuit further comprises:

and the alarm device is connected with the battery 3 and gives an alarm when the fault of the battery 3 is detected.

Through adding alarm device to remind relevant personnel to handle as early as possible the battery trouble problem, thereby guarantee can in time to get rid of the trouble at the time of the agitator tank normal work that battery 1 maintained, prevent follow-up because the agitator truck stop work that leads to of battery 1 electric quantity is not enough, thereby lead to the agitator tank to tie up the jar.

Considering that the dc-to-ac module of the control motor 2 has two modes, i.e. high voltage mode and low voltage mode, a preferred solution is proposed herein, wherein the control motor 2 further comprises: an emergency controller for switching the DC-AC module controlling the electric machine 2 from a high-voltage mode to a low-voltage mode.

Because the voltages of the storage battery 1 and the battery 3 are different, the emergency controller is added in the embodiment, so that the control motor 2 is ensured to keep a corresponding working mode in a response state, and various problems caused by different working modes of the control motor 2 are prevented.

The present application further provides a mixer truck comprising the control circuit mentioned in the above embodiments, and thus the specific embodiments and the corresponding advantages thereof are as described above for the control circuit.

The mixer truck and the control unit thereof provided by the application are described in detail above. The embodiments are described in a progressive mode in the specification, the emphasis of each embodiment is on the difference from the other embodiments, and the same and similar parts among the embodiments can be referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.

It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a control circuit, is applied to the trucd mixer, its characterized in that includes: the device comprises a first switch, a second switch, a third switch, a storage battery and a control motor;

2. The control circuit of claim 1, further comprising: a fourth switch;

3. The control circuit of claim 1, wherein the control motor further comprises a hydraulic valve for controlling a direction of rotation of the agitator tank after a fault has occurred.

4. The control circuit of claim 2, wherein the first switch, the second switch, the third switch, and the fourth switch are all relays.

5. The control circuit of claim 3, further comprising: a pre-charge relay connected in parallel with the third switch.

6. The control circuit of claim 2, wherein the control motor is further configured to detect whether the agitator tank is feeding after the battery fails, and if so, control the agitator tank to rotate at a constant speed according to a preset speed.

7. The control circuit of claim 6, wherein the control motor is further configured to detect whether the voltage of the storage battery is greater than a preset voltage if it is detected that the agitator tank is not charged after the battery fails, control the agitator tank to rotate at a preset required rotation speed if the voltage of the storage battery is greater than the preset voltage, and control the agitator tank to rotate at a constant speed according to the preset speed if the voltage of the storage battery is not greater than the preset voltage.

8. The control circuit according to any one of claims 1 to 7, further comprising:

9. The control circuit of claim 8, wherein the control motor further comprises: an emergency controller for switching the DC-AC module of the control motor from a high-voltage mode to a low-voltage mode.

10. A mixer vehicle, characterized in that it comprises a control circuit according to any one of claims 1 to 9.