CN200977702Y - Monitoring device applied for concrete stirring and transporting vehicle - Google Patents
Monitoring device applied for concrete stirring and transporting vehicle Download PDFInfo
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- CN200977702Y CN200977702Y CN 200620133116 CN200620133116U CN200977702Y CN 200977702 Y CN200977702 Y CN 200977702Y CN 200620133116 CN200620133116 CN 200620133116 CN 200620133116 U CN200620133116 U CN 200620133116U CN 200977702 Y CN200977702 Y CN 200977702Y
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- monitoring device
- concrete mixing
- transporting car
- collecting unit
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Abstract
The utility model relates to a monitoring device for a concrete mixer truck, which comprises a gathering unit, an induction unit, and a central processing unit, wherein the gathering unit is arranged on the end surface disc of a mixing barrel, which is used to rotate with the mixing barrel; the induction unit is arranged on the fixing support corresponding to the mixing barrel end surface disc, and comprises a plurality of induction switches connected in parallel, used for generating periodically variable induction field with the gathering unit during the rotation of the mixing barrel; the central processing unit is connected with the induction unit, which is used for receiving the data information of the connection and disconnection motions of the induction switches under the function of the induction field, to monitor the rotation direction and the rotation speed of the gathering mixing barrel. The utility model has the advantages that firstly, the structure is simple, and the work is reliable; secondly, the gathering of the mixing barrel rotation data is accurate and timely; thirdly, the concrete mixing quality can be effectively promoted through the real-time monitoring; fourthly, the gathered data is convenient for the continuous scientific management.
Description
Technical field
The utility model relates to fields of sensing technique monitoring, especially relates to a kind of monitoring device that is applied in concrete mixing and transporting car.
Background technology
In the prior art, mix and stir on the inwall of producing concrete mixing drum in being used on the concrete mixing and transporting car and generally to be welded with one group of spiral stirring vane, its course of work is mainly: the stirring vane forward rotation can fully stir mix, and the stirring vane backward rotation can draw off the mix of inside.Because concrete direction of rotation and rotary speed of mixing and stirring quality and mixing drum is closely related, therefore, mix and stir quality in order fully the concrete in the mixing drum to be stirred so that promote it, need us to judge the direction of rotation and the rotary speed of mixing drum timely and accurately, thereby control concrete mixing quality in real time, yet present prior art also can't be carried out accurately data monitoring and collection in real time to the direction of rotation and the rotary speed of concrete agitating drum.
The utility model content
The purpose of this utility model is to overcome the defective of prior art, a kind of monitoring device that is applied in concrete mixing and transporting car is provided, it can carry out real-time data monitoring and collection to the direction of rotation and the rotary speed of concrete agitating drum, so that reach the purpose that promotes concrete mixing quality.
The monitoring device of concrete mixing and transporting car of the present utility model comprises: collecting unit, sensing unit and CPU, described collecting unit is installed on the end face disk of mixing drum, it is used to follow mixing drum and rotates together, described sensing unit is installed on the fixed support of corresponding mixing drum end face disk, it comprises several parallel inductive switches that connects, this sensing unit is used for producing periodically variable induction field at mixing drum rotating process and collecting unit, described CPU is connected with sensing unit, it is used to receive described inductive switch switches on and off action under the effect of induction field data message, gathers the direction of rotation and the rotary speed of mixing drum with monitoring.
Described CPU comprises input filter circuit, regulated power supply circuit, single chip circuit and the power failure holding circuit that goes offline; described input filter circuit is used for AC power is carried out rectifying and wave-filtering; described regulated power supply circuit is used to provide continuously adjustable voltage; described single chip circuit comprises that interplantation is useful on monitoring and gathers the direction of rotation of mixing drum and the single-chip microcomputer of rotary speed program, described power failure holding circuit be used to have a power failure the data information memory when going offline that goes offline.
The monitoring device that is applied in concrete mixing and transporting car of the present utility model has the following advantages: 1. simple in structure, reliable operation; 2. accurate, timely to the data acquisition of mixing drum rotation; 3,, can effectively control and promote concrete mixing quality by monitoring in real time; 4, the data of the Cai Jiing scientific management being convenient to extend.
Description of drawings
With the specific embodiment the utility model is done explanation in further detail with reference to the accompanying drawings.
Fig. 1 is the mounting structure schematic diagram of the utility model on mixing drum;
Fig. 2 is circuit theory diagrams of the present utility model;
Fig. 3 is the first embodiment circuit diagram of the present utility model.
The specific embodiment
As shown in Figure 1, the monitoring device of concrete mixing and transporting car of the present utility model comprises: collecting unit 1, sensing unit 2 and CPU 3.Described collecting unit 1 is installed on the end face disk 5 of mixing drum 4, to rotate with mixing drum 4, described sensing unit 2 is installed on the fixed support 6 of end face of corresponding mixing drum 4, when mixing drum 4 rotates, can produce periodically variable induction field between described sensing unit 2 and the collecting unit 1, described CPU 3 is connected with sensing unit 2, and it is used to monitor the direction of rotation and the rotary speed of gathering mixing drum 4.
Shown in Figure 2 is circuit theory diagrams of the present utility model, sensing unit 2 of the present utility model comprises several parallel inductive switch Z1 and Z2 that connects, when collecting unit 1 rotates with mixing drum 4, the induction field that produces between described inductive switch Z1 and Z2 and the collecting unit 1 will be done cyclically-varying, be subjected to the effect of field-effect power, inductive switch Z1 and Z2 will do the connecting and disconnecting action of sequencing ground, at this moment, the data message of inductive switch Z1 and Z2 successive relay trip process will be transferred to the CPU 3 that links to each other with sensing unit 2.
Described CPU 3 comprises input filter circuit, regulated power supply circuit, single chip circuit and the power failure holding circuit that goes offline.Described input filter circuit is used for AC power is carried out rectifying and wave-filtering; described regulated power supply circuit is used to provide continuously adjustable voltage; in comprising, described single chip circuit is implanted with the single-chip microcomputer of program, described power failure holding circuit be used to have a power failure the data information memory when going offline that goes offline.
As shown in the figure, singlechip chip U1 and peripheral cell: capacitor C 9, C10, oscillator Y, fuse F1, F2, diode D2, D3, D4, D5, resistance R 1, R9, R10 constitutes single chip circuit together, its circuit ways of connecting is as follows: capacitor C 9, C10 and oscillator Y are connected to P1 pin and the P2 pin of chip U1, the positive pole of light emitting diode D3 and D4 links to each other, the negative pole of described light emitting diode D3 connects resistance R 10, resistance R 10 links to each other with the P12 pin of chip U1, and the negative pole of described light emitting diode D2 connects resistance R 9, and resistance R 9 links to each other with the P37 pin of chip U1, fuse F1 and F2 gang socket J, this socket J input dc power, the end of fuse F1 links to each other with the positive pole of diode D5, and the end of fuse F2 links to each other with resistance R 1 with the negative pole of diode D4.
Inductance L 1 links to each other with capacitor C 1, C2, C3 and electrochemical capacitor E1, and it constitutes input filter circuit, and the negative pole of diode D5 links to each other with inductance L 1 with capacitor C 1.Chip U3 is a regulated power supply, and it has 8 pins, and described 2,3 pin and 6,7 pin are used to export the 5V DC voltage.1 pin of electrochemical capacitor E1 and chip U3 joins, and 4 pin of this chip U3 connect resistance R 7 and R8, and resistance R 8 is connected with resistance R 11.Resistance R 7, R8, R11, capacitor C 4, C5, C6, C7, C8, electrochemical capacitor E2, diode D1, inductance L 2 constitute the regulated power supply circuit with chip U3.
Storage chip U2 and resistance R 6, capacitor C 13 constitute the holding circuit that goes offline that has a power failure, and mainly play the data memory action under the situation that power failure goes offline, and the CS pin of this chip and SO pin are connected to P17 pin and the P16 pin of singlechip chip U1 respectively.
When collecting unit rotates with mixing drum, the induction field that produces between inductive switch Z1 and Z2 and the collecting unit will be done cyclically-varying, under the effect of efficacy on the scene, to cause inductive switch Z1 and Z2 to make sequencing ground on-off action, the data message of inductive switch Z1 and Z2 successive relay trip process is transferred to singlechip chip U1, in singlechip chip U1, be implanted with separate procedure, it is according to the time interval of inductive switch Z1 and Z2 successive relay trip, the distance parameter of collecting unit and inductive switch Z1 and Z2, and the parameters such as angular velocity of rotation of inductive switch Z1 and Z2 can calculate the rotary speed of mixing drum, in addition, can monitor the direction of rotation of mixing drum according to the process of inductive switch Z1 and Z2 successive relay trip, for example: inductive switch Z1 connection → inductive switch Z1 of elder generation and Z2 connect → inductive switch Z2 connection simultaneously, can judge that the direction of rotation of mixing drum is positive direction (representative is stirred) this moment, otherwise, judge that then mixing drum is opposite spin (representative discharging).
Inductive switch Z1 of the present utility model, Z2 and collecting unit can adopt following various scheme:
Inductive switch Z1, Z2 adopt reflection-type optoelectronic switch, and collecting unit adopts reflecting plate.Its principle is as follows: optoelectronic switch is to realize controlling by the variation that the variation of luminous intensity is converted to the signal of telecommunication, and in the ordinary course of things, optoelectronic switch comprises: transmitter, receiver and testing circuit.Transmitter and receiver are packed in the same device, and that utilizes that the place ahead reflector principle of reflection finishes the photo-electric control effect is called reflector reflective (or mirror reflects formula) optoelectronic switch.Under the normal condition, the light that photophore sends is reflected by light receiving device by reflector and receives, switch controlling signal of optoelectronic switch output; In case reflector is removed, light receiving device can not receive the light time, optoelectronic switch just export one with receive opposite switch controlling signal of light time.
Inductive switch Z1, Z2 adopt inductance approach switch, and collecting unit adopts conductive body.Its principle is as follows: conductive body is near the inductive switch that can generate an electromagnetic field the time, the inner principle that produces eddy current of conductive body will be made, this eddy current reacts to inductive switch, switch internal circuit parameter is changed, identify thus and have or not conductive body to shift near, and then being switched on or switched off of gauge tap.
Inductive switch Z1, Z2 adopt capacitive approach switch, and collecting unit is general object.Its principle is as follows: the measurement of inductive switch normally constitutes a pole plate of capacitor, and another pole plate is the shell of switch, described shell ground connection or be connected with the casing of equipment normally in measuring process.When object is shifted near switch, no matter whether it is conductor, because its is approaching, the dielectric constant of electric capacity is changed, thereby capacitance is changed, make the circuit state link to each other with gage outfit also change thereupon, thus just being switched on or switched off of controllable switch.
Inductive switch Z1, Z2 adopt Hall switch, and collecting unit is a magnet.Its principle is as follows: when magnet shifted near Hall switch, the Hall element on the switch detection faces changed the switch internal circuit status because of producing Hall effect, and near the object that is magnetic the identification thus exists, and then being switched on or switched off of gauge tap.
Inductive switch Z1, Z2 adopt optoelectronic switch, and collecting unit is luminescent device or photoelectric device.Its principle is as follows: luminescent device and photoelectric device are contained in the same detection head by certain orientation.As reflective surface (object to be detected) near the time, photoelectric device receives behind the reverberation just in signal output, just can " perception " have object approaching thus.
Inductive switch Z1, Z2 adopt ultrasonic wave near switch or microwave near switch, collecting unit is general object.Its principle is as follows: utilize ultrasonic wave that Doppler effect makes near switch, microwave near switch when having object to shift near, the reflected signal that receives near switch can produce Doppler frequency shift, can identify thus to have or not object approaching.
Fig. 3 is the first embodiment circuit diagram of the present utility model, is magnet at the collecting unit of present embodiment, and inductive switch adopts magnetic switch.As seen from the figure, be connected with magnetic switch X1, capacitor C 11 and resistance R 5, be connected with magnetic switch X2, capacitor C 12 and resistance R 4 with the P32 pin of singlechip chip U1 with the P33 pin of singlechip chip U1.
In the present embodiment, CPU also comprises anti-jamming circuit: magnetic switch X3, capacitor C 21 and resistance R 21; Magnetic switch X4, X5, capacitor C 22 and resistance R 22; Magnetic switch X6, X7, capacitor C 23 and resistance R 23; Magnetic switch X8, capacitor C 24 and resistance R 24; Magnetic switch X9, capacitor C 25 and resistance R 25, when mixing drum rotates, if unusual induction field is when having influence on normally being switched on or switched off of inductive switch Z1 and Z2, action will appear in magnetic switch X3, X4, X5, X6, X7, X8, X9, the data message of its action is transferred to singlechip chip U1, this chip will be judged the state position of unusual induction source, so that we remove interference.
Above-described only is preferred implementation of the present utility model.Should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model principle, can also make some modification and improvement, these change also should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. the monitoring device of a concrete mixing and transporting car, it is characterized in that comprising: collecting unit, sensing unit and CPU, described collecting unit is installed on the end face disk of mixing drum, described sensing unit is installed on the fixed support of corresponding mixing drum end face disk, it comprises several parallel inductive switches that connects, and described CPU is connected with sensing unit.
2. the monitoring device of concrete mixing and transporting car as claimed in claim 1; it is characterized in that described CPU comprises input filter circuit; the regulated power supply circuit; single chip circuit and the power failure holding circuit that goes offline; described input filter circuit is used for AC power is carried out rectifying and wave-filtering; described regulated power supply circuit is used to provide continuously adjustable voltage; described single chip circuit comprises that interplantation is useful on monitoring and gathers the direction of rotation of mixing drum and the single-chip microcomputer of rotary speed program, described power failure holding circuit be used to have a power failure the data information memory when going offline that goes offline.
3. the monitoring device of concrete mixing and transporting car as claimed in claim 2 is characterized in that described CPU also comprises anti-jamming circuit, and it is used to detect the induction field that produces interference.
4. as the monitoring device of any one described concrete mixing and transporting car in the claim 1 to 3, it is characterized in that described collecting unit is a magnet, described inductive switch is a magnetic switch.
5. the monitoring device of concrete mixing and transporting car as claimed in claim 1 or 2 is characterized in that described collecting unit is a reflecting plate, and described inductive switch is a reflection-type optoelectronic switch.
6. the monitoring device of concrete mixing and transporting car as claimed in claim 1 or 2 is characterized in that described collecting unit is a conductive body, and described inductive switch is an inductance approach switch.
7. the monitoring device of concrete mixing and transporting car as claimed in claim 1 or 2 is characterized in that described inductive switch is a capacitive approach switch.
8. the monitoring device of concrete mixing and transporting car as claimed in claim 1 or 2 is characterized in that described collecting unit is a magnet, and described inductive switch is a Hall switch.
9. the monitoring device of concrete mixing and transporting car as claimed in claim 1 or 2 is characterized in that described collecting unit is luminescent device or photoelectric device, and described inductive switch is an optoelectronic switch.
10. the monitoring device of concrete mixing and transporting car as claimed in claim 1 or 2 is characterized in that described inductive switch is a ultrasonic wave near switch or microwave near switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620133116 CN200977702Y (en) | 2006-08-30 | 2006-08-30 | Monitoring device applied for concrete stirring and transporting vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620133116 CN200977702Y (en) | 2006-08-30 | 2006-08-30 | Monitoring device applied for concrete stirring and transporting vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200977702Y true CN200977702Y (en) | 2007-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620133116 Expired - Fee Related CN200977702Y (en) | 2006-08-30 | 2006-08-30 | Monitoring device applied for concrete stirring and transporting vehicle |
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| CN (1) | CN200977702Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179876A (en) * | 2009-12-18 | 2011-09-14 | 万国卡车知识产权有限公司 | Vehicle installed cement mixer control |
| CN102194327A (en) * | 2010-03-19 | 2011-09-21 | 北汽福田汽车股份有限公司 | Material transport vehicle and unloading monitoring device thereof |
| CN102314155A (en) * | 2010-07-02 | 2012-01-11 | 三一重工股份有限公司 | Mixer truck discharging monitoring system and concrete mixer truck with system |
| CN103318579A (en) * | 2013-06-28 | 2013-09-25 | 成都众易通科技有限公司 | Cement tanker cylinder monitoring system convenient for condition examination |
| CN103318580A (en) * | 2013-06-28 | 2013-09-25 | 成都众易通科技有限公司 | Cement tanker drum monitoring system capable of stably transmitting signals |
| CN103331820A (en) * | 2013-06-28 | 2013-10-02 | 成都众易通科技有限公司 | Sensing device capable of detecting clockwise and counterclockwise revolution of expansion cylinder |
| CN103732369A (en) * | 2011-09-02 | 2014-04-16 | 萱场工业株式会社 | Concrete mixer truck |
| CN104143241A (en) * | 2014-08-08 | 2014-11-12 | 孙宗远 | Cement anti-theft system and method for concrete transporter |
-
2006
- 2006-08-30 CN CN 200620133116 patent/CN200977702Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179876A (en) * | 2009-12-18 | 2011-09-14 | 万国卡车知识产权有限公司 | Vehicle installed cement mixer control |
| CN102179876B (en) * | 2009-12-18 | 2013-11-27 | 万国卡车知识产权有限公司 | Vehicle installed cement mixer control |
| CN102194327A (en) * | 2010-03-19 | 2011-09-21 | 北汽福田汽车股份有限公司 | Material transport vehicle and unloading monitoring device thereof |
| CN102194327B (en) * | 2010-03-19 | 2013-07-10 | 北汽福田汽车股份有限公司 | Material transport vehicle and unloading monitoring device thereof |
| CN102314155A (en) * | 2010-07-02 | 2012-01-11 | 三一重工股份有限公司 | Mixer truck discharging monitoring system and concrete mixer truck with system |
| CN103732369A (en) * | 2011-09-02 | 2014-04-16 | 萱场工业株式会社 | Concrete mixer truck |
| CN103732369B (en) * | 2011-09-02 | 2015-12-23 | 萱场工业株式会社 | Truck mixer |
| CN103318579A (en) * | 2013-06-28 | 2013-09-25 | 成都众易通科技有限公司 | Cement tanker cylinder monitoring system convenient for condition examination |
| CN103318580A (en) * | 2013-06-28 | 2013-09-25 | 成都众易通科技有限公司 | Cement tanker drum monitoring system capable of stably transmitting signals |
| CN103331820A (en) * | 2013-06-28 | 2013-10-02 | 成都众易通科技有限公司 | Sensing device capable of detecting clockwise and counterclockwise revolution of expansion cylinder |
| CN104143241A (en) * | 2014-08-08 | 2014-11-12 | 孙宗远 | Cement anti-theft system and method for concrete transporter |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |