CN214951740U - Weighing device, stirring tank and liquid feeding equipment - Google Patents

Abstract

The utility model discloses a weighing device, agitator tank and liquid equipment of feeding, including weighing sensor and the changer of weighing, the changer of weighing is including receiving and operation module, information display module and communication transmission module, accepts and operation module and weighing sensor communication connection and receive weighing sensor's signal, and communication transmission module is used for the signal transmission after will changing to communication equipment. The weighing analog quantity can be converted into a weight readable signal and then stably conveyed, so that the interference of a long line to the analog quantity is avoided, and the weighing stability, reliability and accuracy are improved.

Description

Weighing device, stirring tank and liquid feeding equipment

Technical Field

The utility model relates to a technical field that weighs, more specifically say, relate to a weighing device.

Background

The existing weighing device is generally a combination mode of a controller and a weighing sensor. Weighing sensor is connected through longer circuit and controller mainboard, and because the sensor is direct gives the controller with the analog quantity transmission, especially when the circuit is longer on the transport route, receives the interference of external forceful electric power or signal of telecommunication etc. easily, influences the stability of carrying information, leads to weighing accurate inadequately, especially in the use of carrying out weight monitoring at weight change in-process such as feeding or ejection of compact, the stability of weighing remains to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a weighing device can convert the analog quantity of weighing into weight readable signal earlier then stabilize the transport again, avoids long circuit to the interference of analog quantity, improves stability, reliability and the accurate nature of weighing. The utility model aims at providing a still provide an agitator tank and liquid equipment of feeding including above-mentioned weighing device.

In order to realize the above purpose, the utility model provides a pair of weighing device, including weighing sensor and the changer of weighing, the changer of weighing is including receiving and operation module, information display module and communication transmission module, accept with operation module with weighing sensor communication connection receives weighing sensor's signal, communication transmission module is used for the signal transmission after will changing to communication equipment.

Preferably, the weighing sensors are provided in plurality, and the weighing transmitters are simultaneously in communication connection with the weighing sensors.

Preferably, the weighing transmitter is provided in plurality in parallel.

Preferably, the information display module comprises a digital display screen.

The utility model also provides an agitator tank, including jar body and as above arbitrary the weighing device.

Preferably, the tank body is provided with three supporting legs distributed along the circumferential direction, and each of the supporting legs is provided with the weighing sensor.

The utility model also provides a liquid equipment of feeding, including control material jar, total controller and as above arbitrary the weighing device, control material jar is provided with pan feeding mouth, discharge gate and control material subassembly, the changer of weighing with total controller communication connection.

Preferably, the material preparation device further comprises a material tower and a material lifting machine connected with the material tower, wherein an outlet of the material lifting machine is connected with a material inlet of the material preparation tank.

Preferably, the device also comprises a water tank and a water injection pipeline which is communicated with the water tank and the material preparation tank.

The utility model provides an among the technical scheme, the changer that weighs is used to the weighing device handles the analog quantity, can convert the analog quantity into the readable signal of weight and stable accurate demonstration earlier at the point annex of weighing, then gives communication equipment with this stable accurate weight signal transmission, carries out the information use. So set up, can avoid receiving the instability and the imprecision that electric signal interference produced among the analog quantity transmission process, improve stability and the exactness of weighing, especially carry out weight monitoring and need carry out the scene of in time operating according to the monitoring value at weight change in-process, it has apparent meaning to improve measurement stability and exactness.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a liquid feeding device in an embodiment of the present invention.

In fig. 1:

1. a weighing sensor; 2. a weighing transmitter; 21. a digital display screen; 3. a master controller; 4. a tank body; 5. supporting legs; 6. a material tower; 7. a material lifting machine; 8. a water tank; 9. a conveying device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An object of the present embodiment is to provide a weighing apparatus, which can convert a weighing analog quantity into a weight readable signal and then stably convey the weight readable signal, thereby avoiding interference of a long line on the weighing analog quantity and improving stability, reliability and accuracy of weighing. The purpose of this embodiment mode is still to provide a agitator tank and liquid feeding equipment including above-mentioned weighing device.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1, the weighing apparatus provided in this embodiment includes a weighing sensor 1 and a weighing transmitter 2, where the weighing transmitter 2 includes a receiving and computing module, an information display module, and a communication transmission module, and is in communication connection with the weighing sensor 1 via the receiving and computing module, receives an analog signal of the weighing sensor 1, and performs conversion, calculation, and other processing, such as an a/D conversion module, to provide stable, accurate, and fast signal conversion; the device can also comprise a singlechip or an operation chip in the prior art, and can directly process the analog quantity at a position close to a weighing point to convert the analog quantity into a stable and accurate weight signal, so that the stability and accuracy are prevented from being influenced by external interference in the conveying process; after the analog quantity conversion is finished, the converted accurate weight signal is transmitted to the communication equipment through the communication transmission module, and the weight information can be used. The communication transmission module may specifically be an ethernet, a serial bus, a bluetooth, or other transmission module.

In this way, the weighing apparatus provided in this embodiment converts the weak signal mV level output by the weighing sensor 1 into a readable weight signal through amplification, conversion and other processing manners, and outputs the weighing result through ethernet, serial bus, bluetooth and other manners, and also can convert and output various specified industrial standard signals for use by other devices according to requirements, so as to avoid instability and inaccuracy caused by interference of electrical signals in the analog transmission process, achieve stable, reliable and high-precision industrial weighing, and improve stability and accuracy of weighing; the weight monitoring device is also particularly suitable for being used in a scene where weight monitoring is carried out in the weight change process and timely operation is required to be carried out according to the monitored value, and the high-precision weight set value control application is carried out, so that the improvement of the measurement stability and precision is significant.

In particular, the weighing transmitter 2 may be a digital transmitter, the information display module comprising a digital display screen 21. The communication transmission module of the weighing transmitter 2 can comprise a 485 communication chip, and can perform information transmission with equipment capable of establishing a 485 communication protocol through a standard RS-485 communication port, for example, an MODBUS RTU protocol is adopted to communicate with a PC/PLC system, for example, a terminal such as a computer or an upper computer comprising a master controller 3.

Furthermore, the communication transmission module of the weighing transmitter 2 can also comprise a CANontroller Area Network and a controller Area Network communication bus, so that the field bus communication function is realized, and the communication transmission module has two modes of communication.

When carrying out weight measurement to the object that the volume is great or the multiple spot supports, often need the multiple spot to weigh, therefore, in this embodiment, weighing sensor 1 can be provided with a plurality ofly, can set up respectively at the different fulcrums of the object of being weighed, carry out the multiple spot and weigh, and weighing transducer 2 can be simultaneously with each weighing sensor 1 communication connection, then according to selecting, can convert and show a certain weighing sensor 1's analog quantity wherein alone, also can be the analog quantity that converts a plurality of sensors into balanced numerical value and show, compare in the direct long-range transmission of a plurality of analog quantities and carry out the equilibrium operation for total controller 3, can greatly avoid a plurality of analog quantities to receive the interference, make the conversion operation more accurate.

A weighing sensor 1 generally uses an independent terminal box of weighing to be connected with 3 mainboards of total controller, and the terminal box of weighing among the prior art need occupy four interfaces of total control mainboard and just can realize connecting. In the weighing device that this embodiment provided, weighing sensor 1's circuit directly links to each other with changer 2 of weighing, and changer 2 of weighing provides the output node of two relay types, only needs two interfaces can realize being connected with total control mainboard, the cost is reduced to a certain extent.

Weighing transmitter 2 can also be equipped with a plurality ofly, and a plurality of weighing transmitter 2 carry out parallelly connected setting in the circuit, then a plurality of weighing transmitter 2 also only need two interfaces on the total control mainboard just can realize connecting. A plurality of weighing transmitters 2 are arranged in parallel, one weighing transmitter 2 can correspond to one weighing sensor 1, and the measurement analog quantity of one fulcrum is converted and displayed.

This embodiment still provides a agitator tank, including jar body 4 and as in any one above embodiment the weighing device, then this agitator tank can realize accurate weight detection at feeding and ejection of compact in-process to the control of the high accuracy quantity set point of being convenient for is used. The derivation process of the beneficial effect is substantially similar to that of the weighing device, and is not repeated herein.

As shown in FIG. 1, the tank body 4 is provided with three supporting legs 5 distributed along the circumferential direction, each supporting leg 5 is provided with a weighing sensor 1, and a weighing transmitter 2 is connected with the three weighing sensors 1 simultaneously.

This embodiment still provides a liquid feeding equipment, including control material jar, total controller 3 and as in any one of the above embodiment weighing device, the control material jar is provided with pan feeding mouth, discharge gate and control material subassembly, and weighing changer 2 and total controller 3 communication connection. Then, this liquid feeding sets up, and in the ejection of compact process that the system material was complete, all can realize stable, reliable, the weight detection of high accuracy, also is convenient for carry out accurate weight value regulation and control. The derivation process of the beneficial effect is substantially similar to that of the weighing device, and is not repeated herein.

As shown in fig. 1, the liquid feeding device further comprises a material tower 6 and a material lifting machine 7 connected with the material tower 6, an outlet of the material lifting machine 7 is connected with a material inlet of the material preparation tank, and power of the material lifting machine 7 is electrically connected with the master controller 3, so that whether to start or stop feeding can be automatically controlled according to weight detection. In the preferred scheme of this embodiment, material tower 6 is provided with a plurality ofly, and lifting machine 7 sets up with material tower 6 one-to-one, then total controller 3 can control the feeding weight of each raw materials, can also regulate and control the ratio of each raw materials.

Can also include conveyor 9 between the pan feeding mouth of the material lifting machine 7 and jar body 4, conveyor 9's one end links to each other with material lifting machine 7, and a plurality of system material jar can be connected to the other end, can carry the raw materials in a plurality of system material jar through conveyor 9. The conveying device 9 can be a belt conveyor driven by a motor, and can carry out bidirectional conveying through forward and reverse rotation.

Further, liquid feeding equipment is still including water pitcher 8 and water injection pipeline, and water injection pipeline one end intercommunication water pitcher 8, the pan feeding mouth of other end intercommunication system material jar are provided with the water injection valve that is used for switching on or cuts on the water injection pipeline. The water injection valve is electrically connected with the master controller 3, and then the master controller 3 can accurately control the water quantity by measuring the injection quantity of water.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The multiple schemes provided by the invention comprise basic schemes, are independent from each other and are not restricted with each other, but can be combined with each other under the condition of no conflict, so that multiple effects are realized together.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The utility model provides a weighing device, its characterized in that, including weighing sensor (1) and weighing transducer (2), weighing transducer (2) including receiving and operation module, information display module and communication transmission module, receiving and operation module with weighing sensor (1) communication connection receives the signal of weighing sensor (1), communication transmission module is used for the signal transfer after with the conversion to communication equipment.

2. The weighing device according to claim 1, wherein a plurality of weighing sensors (1) are provided, and the weighing transmitter (2) is simultaneously in communication connection with each weighing sensor (1).

3. A weighing device as claimed in claim 1, characterised in that said weighing transducer (2) is provided in plurality in parallel arrangement.

4. A weighing device as in claim 1, wherein said information display module comprises a digital display screen (21).

5. A mixing tank, characterized in that it comprises a tank body (4) and a weighing device according to any one of claims 1-4.

6. An agitator tank as claimed in claim 5, characterized in that the tank body (4) is provided with three support legs (5) distributed in the circumferential direction, each support leg (5) being provided with the weighing sensor (1).

7. The liquid feeding equipment is characterized by comprising a material control tank, a master controller (3) and the weighing device according to any one of claims 1 to 4, wherein the material control tank is provided with a material inlet, a material outlet and a material control assembly, and the weighing transmitter (2) is in communication connection with the master controller (3).

8. A liquid feeding apparatus according to claim 7, further comprising a material tower (6) and a material lifting machine (7) connected to the material tower (6), wherein an outlet of the material lifting machine (7) is connected to the material inlet of the material preparation tank.

9. A liquid feeding apparatus according to claim 7, further comprising a water tank (8) and a water injection pipe communicating the water tank (8) with the preparation tank.

Images