CN106199442B - Low-power sound control alarm device on forklift - Google Patents
Low-power sound control alarm device on forklift Download PDFInfo
- Publication number
- CN106199442B CN106199442B CN201610523804.9A CN201610523804A CN106199442B CN 106199442 B CN106199442 B CN 106199442B CN 201610523804 A CN201610523804 A CN 201610523804A CN 106199442 B CN106199442 B CN 106199442B
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- 238000001514 detection method Methods 0.000 claims abstract description 30
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 14
- 230000000007 visual effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
- G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
- G01R19/16542—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies for batteries
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3835—Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
The invention discloses a low-power sound control alarm device on a forklift, which comprises a controller, an integrated circuit board arranged in the controller and an alarm device in control connection with the controller, wherein the integrated circuit board is in control connection with the controller, the controller is connected with a local power supply in the working process, the integrated circuit board is provided with a signal input circuit, a signal detection circuit, an acousto-optic indication circuit and a voltage stabilizing circuit, the signal input circuit, the signal detection circuit, the acousto-optic indication circuit and the controller are all in power-on connection with the voltage stabilizing circuit, the controller is provided with a power switch, the power switch is in control connection with the voltage stabilizing circuit, the alarm device comprises a buzzer, and the buzzer and the acousto-optic indication circuit form loop connection. The invention reminds a user to charge or replace the battery in time by utilizing the principle that the output voltage is reduced when the electric quantity is reduced, prolongs the service life of the battery, and has the advantages of wide application range, high precision, low cost and simple operation.
Description
[ technical field ] A
The invention relates to the technical field of forklift safety devices, in particular to a voice-operated low-power alarm device for a forklift.
[ background of the invention ]
Fork truck and fork lift truck are all industrial handling vehicles, refer to and load and unload, stack and various wheeled handling vehicles of short distance transportation operation to finished pallet goods, and wide application is in harbour, station, airport, goods yard, factory workshop, warehouse, circulation center and delivery center etc. carries out loading and unloading, the handling operation of pallet goods in cabin, carriage and container, is essential equipment in pallet transportation, container transportation.
At present, fork truck and fork truck generally adopt the electrodynamic type, and electric fork truck and fork truck are because its operation control is simple and convenient, in a flexible way, and its operating personnel's operating strength will be lighter a lot than diesel fork truck, and its electronic a steering system, control system with higher speed, hydraulic control system and braking system all are controlled by the signal of telecommunication, greatly reduced operating personnel's intensity of labour, receive user's favor more and more. Electric fork-lift and fork lift truck are most all for providing kinetic energy for work through the battery with the electric energy transformation of chemical energy, the life of battery has influenced electric fork-lift and the performance of fork lift truck greatly, and the battery is after long-time work, when the electric quantity falls to the end limit of normal work, the staff often forgets the observation ammeter because of busy, still continue to use, shorten the life of battery, in order to solve above-mentioned problem, in time remind the user in time to charge or change the battery, the life of protection storage battery, it goes up low-battery acoustic control alarm device to be necessary to provide a fork truck.
[ summary of the invention ]
The invention aims to overcome the defects of the prior art and provides a low-power sound control alarm device on a forklift, which aims to solve the technical problem that the service life of storage batteries of electric forklifts and forklift trucks in the prior art is short.
In order to achieve the purpose, the invention provides a low-power sound control alarm device on a forklift, which comprises a controller, an integrated circuit board arranged in the controller and an alarm device in control connection with the controller, wherein the integrated circuit board is in control connection with the controller, the controller is connected with a local power supply in the working process, the integrated circuit board is provided with a signal input circuit, a signal detection circuit, an acousto-optic indication circuit and a voltage stabilizing circuit, the signal input circuit is in loop connection with the local power supply in the working process, the signal detection circuit is connected with the signal input circuit, the signal detection circuit is in communication connection with the acousto-optic indication circuit, the signal input circuit, the signal detection circuit, the acousto-optic indication circuit and the controller are all electrically connected with the voltage stabilizing circuit, the controller is provided with a power switch, the power switch is in control connection with the voltage stabilizing circuit, the alarm device comprises a buzzer, and the buzzer is in loop connection with the acousto-optic indication circuit.
Preferably, the local power supply is a storage battery arranged in a forklift or a forklift.
Preferably, the signal input circuit is connected to two ends of the local power supply and used for acquiring an output voltage signal of the local power supply in the working process in real time and transmitting the output voltage signal to the signal detection circuit.
Preferably, the signal detection circuit is configured to detect whether a voltage value of the output voltage signal of the local power supply is lower than a voltage value of a threshold voltage signal of the local power supply set on the controller, and when the voltage value of the output voltage signal of the local power supply is lower than the voltage value of the threshold voltage signal of the local power supply, the controller controls the signal detection circuit to send an alarm signal to the audible and visual indication circuit.
Preferably, the acousto-optic indication circuit comprises an inverter and a multivibrator.
Preferably, the voltage stabilizing circuit provides 5V working voltage for the signal input circuit, the signal detection circuit, the acousto-optic indicating circuit and the controller.
Preferably, the power switch is used for controlling whether the voltage stabilizing circuit is disconnected or not.
Preferably, the alarm device further comprises a warning lamp, and the warning lamp is connected with the sound-light indicating circuit in a loop mode.
The invention has the beneficial effects that: compared with the prior art, the low-power sound control alarm device for the forklift truck is reasonable in structure, adopts the principle that the output voltage is reduced when the power of the battery is reduced, the output voltage is a critical voltage value when the power of the battery is reduced to a normal working bottom limit, and a circuit gives an alarm through the alarm device when the voltage of the battery of the forklift truck or the forklift truck is lower than the critical voltage value. Remind the user in time to charge or change the battery, with current fork truck or the piling car that does not have acoustic control device, have the protection storage battery life-span, through the in service behavior that the instrument display and acoustic control alarm device binary channels more directly visual display electric quantity, the range of application is wide, and the precision is high, and is with low costs, simple operation.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic structural diagram of a low-power acoustic alarm device on a forklift truck according to an embodiment of the present invention;
fig. 2 is a working schematic diagram of a low-power sound control alarm device on a forklift truck according to an embodiment of the invention.
In the figure: the device comprises a controller 1, a power switch 11, an integrated circuit board 2, a signal input circuit 21, a signal detection circuit 22, an acousto-optic indicating circuit 23, an inverter 231, a multivibrator 232, a voltage stabilizing circuit 24, a local power supply 3, an alarm device 4 and a buzzer 41.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples. It should be understood, however, that the detailed description herein of specific embodiments is intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1 and 2, an embodiment of the invention provides a low-power acoustic control alarm device for a forklift truck, which includes a controller 1, an integrated circuit board 2 built in the controller 1, and an alarm device 4 connected with the controller 1 in a control manner, wherein the integrated circuit board 2 is connected with the controller 1 in a control manner, the controller 1 is connected with a local power supply 3 in a working process, the integrated circuit board 2 is provided with a signal input circuit 21, a signal detection circuit 22, an acousto-optic indication circuit 23 and a voltage stabilizing circuit 24, the signal input circuit 21 forms a loop connection with the local power supply 3 in the working process, the signal detection circuit 22 is connected with the signal input circuit 21, the signal detection circuit 22 is in communication connection with the acousto-optic indication circuit 23, the signal input circuit 21, the signal detection circuit 22, the acousto-optic indication circuit 23 and the controller 1 are all in electrical connection with the voltage stabilizing circuit 24, the controller 1 is provided with a power switch 11, the power switch 11 is connected with the voltage stabilizing circuit 24 in a control manner, the alarm device 4 includes a buzzer 41, and the buzzer 41 is connected with the acousto-optic indication circuit 23 in a loop connection.
The local power supply 3 is a storage battery arranged in a forklift or a forklift, and the signal input circuit 21 is connected to two ends of the local power supply 3 and used for acquiring an output voltage signal of the local power supply 3 in the working process in real time and transmitting the output voltage signal to the signal detection circuit 22. In the working process of the electric forklift or the forklift, the controller 1 is connected with the local power supply 3, so that the signal input circuit 21 at the upper end of the integrated circuit board 2 and the anode and the cathode of the local power supply 3 form a loop, and the output voltage signal of the local power supply 3 can be collected in real time in the working process.
Further, the signal detection circuit 22 is configured to detect whether the voltage value of the output voltage signal of the local power supply 3 is lower than the voltage value of the threshold voltage signal of the local power supply 3 set on the controller 1, when the voltage value of the output voltage signal of the local power supply 3 is lower than the voltage value of the threshold voltage signal of the local power supply 3, the controller 1 controls the signal detection circuit 22 to send an alarm signal to the audible and visual indication circuit 23, otherwise, it indicates that the local power supply 3 is full of electric quantity, and the power supply can still be normally supplied.
Further, the acousto-optic indicating circuit 23 includes an inverter 231 and a multivibrator 232. The inverter 231 is connected in parallel with the multivibrator 232, the warning signal is amplified through the inverter 231, and the warning device 4 gives an alarm through the multivibrator 232 to remind a user of charging or replacing a battery in time.
Further, the voltage stabilizing circuit 24 provides 5V of working voltage for the signal input circuit 21, the signal detection circuit 22, the acousto-optic indication circuit 23 and the controller 1.
Further, the power switch 11 is used to control whether the voltage regulator circuit 24 is disconnected. The controller 1 and its internal integrated circuit board 2 only have voltage to work normally when the power switch 11 is pressed to make the voltage stabilizing circuit 24 form a path.
Furthermore, the alarm device 4 further comprises a warning lamp, and the warning lamp and the sound and light indicating circuit 23 form a loop connection.
The working process of the invention is as follows:
in the working process of the low-electricity sound control alarm device on the forklift truck, a controller 1 is connected with a local power supply 3, so that a signal input circuit 21 at the upper end of an integrated circuit board 2 in the controller 1 and the positive and negative electrodes of the local power supply 3 form a loop, the signal input circuit 21 collects an output voltage signal of the local power supply 3 in real time and transmits the output voltage signal to a signal detection circuit 22, the signal detection circuit 22 judges whether the voltage value of the output voltage signal of the local power supply 3 is lower than the voltage value of a critical voltage signal of the local power supply 3 which is arranged on the controller 1 in advance, if the voltage value of the output voltage signal of the local power supply 3 is lower than the voltage value of the critical voltage signal, the controller 1 controls the signal detection circuit 22 to send an alarm signal to an acousto-optic indicating circuit 23, the acousto-optic indicating circuit 23 receives the alarm signal and then controls an alarm device 4 to give an alarm, and if the voltage value of the output voltage signal is not lower than the critical voltage value, the local power supply 3 still can normally supply electricity. The alarm device 4 can be used for reminding a user of timely charging or battery replacement through the buzzer 41 alone or the buzzer 41 and the warning lamp, has the effect of protecting the service life of a storage battery when being used with the existing forklift or piling car without the sound control device, and can more visually and conveniently display the use condition of electric quantity through double channels of instrument display and the sound control alarm device.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the invention is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (8)
1. The utility model provides a low battery sound control alarm device on fork truck, includes controller (1), places integrated circuit board (2) in controller (1) in and alarm device (4) with controller (1) control connection in, its characterized in that: the integrated circuit board (2) is in control connection with the controller (1), the controller (1) is connected with the local power supply (3) in the working process, the integrated circuit board (2) is provided with a signal input circuit (21), a signal detection circuit (22), an acousto-optic indication circuit (23) and a voltage stabilizing circuit (24), the signal input circuit (21) is in loop connection with the local power supply (3) in the working process, the signal detection circuit (22) is connected with the signal input circuit (21), the signal detection circuit (22) is in communication connection with the acousto-optic indication circuit (23), the signal input circuit (21), the signal detection circuit (22), the acousto-optic indication circuit (23) and the controller (1) are all in power-on connection with the voltage stabilizing circuit (24), the controller (1) is provided with a power switch (11), the power switch (11) is in control connection with the voltage stabilizing circuit (24), the alarm device (4) comprises a buzzer (41), and the buzzer (41) is in acoustic-optic indication circuit connection with the acousto-optic indication circuit (23).
2. The sound-controlled low-power alarm device for forklift trucks of claim 1, wherein: the local power supply (3) is a storage battery arranged in the forklift or the fork truck.
3. The sound-controlled low-power alarm device for forklift trucks of claim 1, wherein: the signal input circuit (21) is connected to two ends of the local power supply (3) and used for collecting output voltage signals of the local power supply (3) in the working process in real time and transmitting the output voltage signals to the signal detection circuit (22).
4. The sound-controlled low-power alarm device for forklift trucks of claim 3, wherein: the signal detection circuit (22) is used for detecting whether the voltage value of the output voltage signal of the local power supply (3) is lower than the voltage value of the critical voltage signal of the local power supply (3) arranged on the controller (1), and when the voltage value of the output voltage signal of the local power supply (3) is lower than the voltage value of the critical voltage signal of the local power supply (3), the controller (1) controls the signal detection circuit (22) to send a warning signal to the acousto-optic indication circuit (23).
5. The sound-control low-power alarm device for the forklift as claimed in claim 4, wherein: the acousto-optic indication circuit (23) comprises an inverter (231) and a multivibrator (232).
6. The sound-control low-power alarm device for the forklift as claimed in claim 1, wherein: the voltage stabilizing circuit (24) provides 5V working voltage for the signal input circuit (21), the signal detection circuit (22), the acousto-optic indication circuit (23) and the controller (1).
7. The sound-controlled low-power alarm device for forklift trucks of claim 1, wherein: the power switch (11) is used for controlling whether the voltage stabilizing circuit (24) is disconnected or not.
8. The sound-controlled low-power alarm device for forklift trucks of claim 1, wherein: the alarm device further comprises a warning lamp, and the warning lamp is connected with the acousto-optic indicating circuit (23) in a loop mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610523804.9A CN106199442B (en) | 2016-06-29 | 2016-06-29 | Low-power sound control alarm device on forklift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610523804.9A CN106199442B (en) | 2016-06-29 | 2016-06-29 | Low-power sound control alarm device on forklift |
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| Publication Number | Publication Date |
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| CN106199442A CN106199442A (en) | 2016-12-07 |
| CN106199442B true CN106199442B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610523804.9A Active CN106199442B (en) | 2016-06-29 | 2016-06-29 | Low-power sound control alarm device on forklift |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4622544A (en) * | 1985-05-13 | 1986-11-11 | Lifeline Systems, Inc. | Low battery indicator |
| CN102176627A (en) * | 2011-02-10 | 2011-09-07 | 张佳宾 | Adaptive measurement and control system for charge-discharge process of integrated storage battery |
| CN102303542A (en) * | 2011-06-20 | 2012-01-04 | 江南大学 | Detection system for vehicular storage battery |
| CN202119883U (en) * | 2011-06-20 | 2012-01-18 | 江南大学 | Vehicle battery detecting system |
| CN104052130A (en) * | 2014-07-04 | 2014-09-17 | 山东大学 | Lithium iron phosphate battery power management system and working method for service robot |
| CN205898981U (en) * | 2016-06-29 | 2017-01-18 | 意欧斯智能科技股份有限公司 | Last low power acoustic control alarm device of fork truck |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AUPR584801A0 (en) * | 2001-06-21 | 2001-07-12 | Kain, Olga Mrs | Memory jogger |
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2016
- 2016-06-29 CN CN201610523804.9A patent/CN106199442B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4622544A (en) * | 1985-05-13 | 1986-11-11 | Lifeline Systems, Inc. | Low battery indicator |
| CN102176627A (en) * | 2011-02-10 | 2011-09-07 | 张佳宾 | Adaptive measurement and control system for charge-discharge process of integrated storage battery |
| CN102303542A (en) * | 2011-06-20 | 2012-01-04 | 江南大学 | Detection system for vehicular storage battery |
| CN202119883U (en) * | 2011-06-20 | 2012-01-18 | 江南大学 | Vehicle battery detecting system |
| CN104052130A (en) * | 2014-07-04 | 2014-09-17 | 山东大学 | Lithium iron phosphate battery power management system and working method for service robot |
| CN205898981U (en) * | 2016-06-29 | 2017-01-18 | 意欧斯智能科技股份有限公司 | Last low power acoustic control alarm device of fork truck |
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| Publication number | Publication date |
|---|---|
| CN106199442A (en) | 2016-12-07 |
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Address after: 314300 No.99 Yanjia Road, Yuantong street, Haiyan County, Jiaxing City, Zhejiang Province Applicant after: Ango Technology (Group) Co.,Ltd. Address before: 314300 No.99 Yanjia Road, Yuantong street, Haiyan County, Jiaxing City, Zhejiang Province Applicant before: EOSLIFT AUTOMATION TECHNOLOGY Corp. |
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