CN217787225U - High voltage fork truck electrical system safety test device - Google Patents
High voltage fork truck electrical system safety test device Download PDFInfo
- Publication number
- CN217787225U CN217787225U CN202221344714.0U CN202221344714U CN217787225U CN 217787225 U CN217787225 U CN 217787225U CN 202221344714 U CN202221344714 U CN 202221344714U CN 217787225 U CN217787225 U CN 217787225U
- Authority
- CN
- China
- Prior art keywords
- voltage
- electrical system
- forklift
- power supply
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model provides a high voltage fork truck electrical system safety testing arrangement relates to electrical equipment and detects technical field, has solved the high voltage fork truck electrical system running state that exists among the prior art and can not the true simulation, has the technical problem of potential safety hazard. The safety testing device for the high-voltage forklift electrical system comprises a direct-current stabilized power supply, a computer, a signal simulator and a signal collector; the computer is respectively connected with the direct current stabilized voltage power supply and the signal collector; the direct current stabilized voltage power supply is connected with the signal simulator, the signal simulator is connected with the high-voltage forklift electrical system, and the computer controls the direct current stabilized voltage power supply and the signal simulator to output test voltage; the signal collector is connected with the high-voltage forklift electrical system and used for detecting test data of the high-voltage forklift electrical system and transmitting the test data to the computer. The utility model is used for a high voltage fork truck electrical system safety test device that can real-time detection high voltage electrical system working condition is provided.
Description
Technical Field
The utility model belongs to the technical field of the electrical equipment detects technique and specifically relates to a high voltage fork truck electrical system safety test device is related to.
Background
Along with the strictness of environmental regulations and the deep consciousness of health and environmental protection, more and more industrial vehicle users select the electric fork-lift truck, the market demand of the electric fork-lift truck is rapidly increased, and the prospect is great; meanwhile, the continuous development of electronic technology enables the product of the electric forklift integrating electronic and mechanical manufacturing technologies to be changed day by day, the high-voltage forklift represented by the new technology in the field of the electric forklift is valued by enterprises, a plurality of forklift enterprises have successfully developed products, and the high-voltage of the electric forklift becomes the development trend of the industry.
An important characteristic of a high-voltage forklift is that an electrical system is high-voltage, the working voltage of the electrical system can be as high as more than 600V, the normal working current of the high-voltage electrical system can reach hundreds of amperes, and the instantaneous short-circuit discharge current is multiplied. Faults such as short circuit and electric leakage of a high-voltage electrical system form potential threats to high-voltage electricity utilization safety of the forklift, and electric shock risks can be brought to drivers and operators during use, maintenance and maintenance. Although the high-voltage electrical safety control system of the high-voltage forklift can detect and control the safety state of the high-voltage electricity in real time at present, various conditions of the high-voltage forklift under high-voltage operation are lack of dynamic simulation, the adaptability of the high-voltage forklift to the environment temperature cannot be embodied, the detection result cannot truly reflect the running state of the high-voltage forklift electrical system under the operation condition, and the reliability and the safety of the detection method cannot be guaranteed. The device can be used for testing the operating state and the safety condition of the electric system of the high-voltage forklift, and is simple and portable, and objective and accurate test data can be obtained.
The applicant has found that the prior art has at least the following technical problems: the running state of the high-voltage forklift electrical system cannot be truly simulated, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high voltage fork truck electrical system safety testing arrangement to the high voltage fork truck electrical system running state that exists among the solution prior art can not the true simulation, has the technical problem of potential safety hazard. The utility model provides a plurality of technological effects that preferred technical scheme among a great deal of technical scheme can produce are seen in the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a high voltage fork truck electrical system safety test device, which comprises a direct current stabilized voltage power supply, a computer, a signal simulator and a signal collector;
the computer is respectively connected with the direct current stabilized voltage supply and the signal collector through a power line and a signal line;
the computer controls the direct current stabilized voltage power supply and the signal simulator and is used for outputting test voltage to the high-voltage forklift electrical system to be tested;
the signal collector is connected with the electrical system of the high-voltage forklift to be tested and used for detecting test data of the electrical system of the high-voltage forklift to be tested and transmitting the test data to the computer.
As the utility model discloses a further improvement still includes high low temperature test box, and the high voltage fork truck electrical system that awaits measuring can be placed in the high low temperature test box, be provided with temperature control device on the high low temperature test box, temperature control device can control temperature in the high low temperature test box.
As a further improvement of the utility model, the temperature regulation range of the high-low temperature test chamber is-30 ℃ to +40 ℃.
As a further improvement of the utility model, the system further comprises an external power supply, the computer with signal collector all through the power cord with external power supply connects.
As a further improvement, the utility model discloses an outside power supply the DC voltage-stabilized power supply signal simulator and the high voltage fork truck electrical system that awaits measuring pass through the power cord series connection, constitute high-pressure safety test return circuit.
As a further improvement of the present invention, the waveform of the voltage generated by the signal simulator is selected from one or more mixed waveforms of sine wave, square wave, triangular wave or sawtooth wave; the voltage regulation range of the direct current stabilized power supply is 0-1200V, and the slew rate of the direct current stabilized power supply is 15V/millisecond.
As a further improvement, the signal collector comprises a current sensor, a voltage sensor and a communication signal collecting card, the current sensor and the voltage sensor are connected with a DC stabilized voltage power supply through a power line, and the communication signal collecting card is connected with a computer through a signal line.
As a further improvement of the utility model, a data storage hard disk, a signal analysis unit and an analysis data storage unit are arranged in the computer, and the data storage hard disk is used for storing the voltage and current data output by the signal collector; the data storage hard disk and the analysis data storage unit are both connected with the signal analysis unit.
The utility model has the advantages that: the utility model provides a high voltage fork truck electrical system safety test device, which comprises a direct current stabilized voltage power supply, a computer, a signal simulator and a signal collector; the direct-current stabilized voltage supply is connected with the signal simulator, functional test voltages with various waveforms can be simulated, voltages with different waveforms are used for simulating voltage change conditions of the high-voltage forklift electrical system to be tested under various working conditions and fault conditions, such as an undervoltage state, an overvoltage state and an outage state, the current and the voltage of the high-voltage electrical system to be tested under the functional test voltages are detected, data of the current and the voltage are analyzed, and the working condition of the high-voltage electrical system to be tested is detected in real time; and the dynamic simulation result can be obtained through the computer, the nondestructive repeated simulation test can be realized, the method can be applied to researching the change rule of high-voltage electric related parameters before and after the fault occurs and the environmental temperature change, the basis is provided for the formulation of fault prediction and control strategies, the operability is strong, the test time is short, the efficiency is high, the result is more practical, the potential safety hazard is avoided, a plurality of instruments do not need to be carried by professionals for detection, and the development of the high-voltage forklift is promoted.
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 first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
In the figure 1, a direct current stabilized power supply; 2. a computer; 3. a signal collector; 4. a signal simulator; 5. a high-voltage forklift electrical system to be tested; 6. high low temperature test chamber.
Detailed Description
The contents of the present invention and the differences between the present invention and the prior art can be understood with reference to fig. 1 to 2 and the text. The invention will be described in further detail below (including the preferred embodiments) with reference to the drawings and illustrative examples of some alternative embodiments of the invention. It should be noted that: any technical features and any technical solutions in this embodiment are one or more of various optional technical features or optional technical solutions, and for the sake of brevity, this document cannot exhaust all the alternative technical features and alternative technical solutions of the present invention, and it is not convenient for each embodiment of the technical features to emphasize that it is one of various optional embodiments, so those skilled in the art should know that: can replace any technical means or combine two or more technical means or technical characteristics of the utility model provides an arbitrary or more technical means or technical characteristics mutually and obtain new technical scheme. Any technical features and any technical solutions in the present embodiment do not limit the scope of the present invention, and the scope of the present invention should include any alternative technical solutions that can be conceived by those skilled in the art without creative efforts and new technical solutions that can be obtained by combining any two or more technical means or technical features provided by the present invention with each other by those skilled in the art.
In the description of the present invention, it is to be noted that "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is also to be understood that the terms "mounted", "connected" and "connected", unless expressly specified or limited otherwise, are intended to be interpreted broadly, as meaning either a fixed connection or a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.
The utility model provides a high voltage fork truck electrical system safety testing arrangement of working condition that can real-time detection high voltage electrical system that awaits measuring.
The technical solution provided by the present invention is explained in more detail with reference to fig. 1 to 2.
The utility model provides a high-voltage forklift electrical system safety testing device, which comprises a direct current stabilized voltage power supply, a computer, a signal simulator and a signal collector;
the computer is respectively connected with the direct current stabilized voltage power supply and the signal collector through a power line and a signal line;
the computer controls the direct current stabilized voltage power supply and the signal simulator and is used for outputting test voltage to the high-voltage forklift electrical system to be tested;
the signal collector is connected with the electrical system of the high-voltage forklift to be tested and used for detecting test data of the electrical system of the high-voltage forklift to be tested and transmitting the test data to the computer.
The utility model provides a high voltage fork truck electrical system safety test device, which comprises a direct current stabilized voltage power supply, a computer, a signal simulator and a signal collector; the direct-current stabilized voltage supply is connected with the signal simulator, functional test voltages with various waveforms can be simulated, voltages with different waveforms are used for simulating voltage change conditions of the high-voltage forklift electrical system to be tested under various working conditions and fault conditions, such as an undervoltage state, an overvoltage state and an outage state, the current and the voltage of the high-voltage electrical system to be tested under the functional test voltages are detected, data of the current and the voltage are analyzed, and the working condition of the high-voltage electrical system to be tested is detected in real time; and the dynamic simulation result can be obtained through the computer, the nondestructive repeated simulation test can be realized, the method can be applied to researching the change rule of high-voltage electric related parameters before and after the fault occurs and the environmental temperature change, the basis is provided for the formulation of fault prediction and control strategies, the operability is strong, the test time is short, the efficiency is high, the result is more practical, the potential safety hazard is avoided, a plurality of instruments do not need to be carried by professionals for detection, and the development of the high-voltage forklift is promoted.
As the utility model discloses a further improvement still includes high low temperature test box, and the high voltage fork truck electrical system that awaits measuring can be placed in the high low temperature test box, be provided with temperature control device on the high low temperature test box, temperature control device can control temperature in the high low temperature test box.
As a further improvement of the utility model, the temperature adjusting range of the high-low temperature test chamber is-30 to +40 ℃.
The high-low voltage forklift electrical system to be tested is placed in the high-low voltage test box, the high-low temperature test box is used for simulating various environmental temperatures encountered during operation of the high-voltage forklift electrical system, and the high-low voltage test box can be applied to researching the change rule of high-voltage electrical related parameters before and after a fault occurs and the change of the environmental temperatures, and provides basis for fault prediction and formulation of a control strategy.
As a further improvement of the utility model, the system further comprises an external power supply, the computer with signal collector all through the power cord with external power supply connects. And the external power supply is used for supplying power to the computer and the signal collector.
As a further improvement, the external power supply is the DC stabilized voltage power supply, the signal simulator and the high-voltage forklift electrical system to be tested are connected in series through the power line to form a high-voltage safety test loop.
As a further improvement of the present invention, the waveform of the voltage generated by the signal simulator is selected from one or more mixed waveforms of sine wave, square wave, triangular wave or sawtooth wave; the voltage regulation range of the direct current stabilized power supply is 0-1200V, and the slew rate of the direct current stabilized power supply is 15V/millisecond. By controlling the direct-current stabilized voltage power supply and the signal simulator, voltages with different waveforms can be simulated, and the working and safety conditions of the high-voltage forklift electrical system under different working conditions or fault states can be simulated.
Example 1:
the utility model provides a high voltage fork truck electrical system safety test device, including external power supply, direct current constant voltage power supply 1, computer 2, signal collector 3 and signal simulator 4;
the computer 2 and the signal collector 3 are connected with an external power supply through power lines, and the external power supply is used for supplying power to the computer 2 and the signal collector 3.
The computer 2 is respectively connected with the direct current stabilized voltage power supply 1 and the signal collector 3 through a power line and a signal line;
the direct-current stabilized power supply 1 is connected with the signal simulator 4, the signal simulator 4 is connected with a high-voltage forklift electrical system 5 to be tested, and the computer 2 controls the direct-current stabilized power supply 1 and the signal simulator 4 and is used for outputting test voltage to the high-voltage forklift electrical system 5 to be tested; the external power supply, the direct-current stabilized power supply 1, the signal simulator 4 and the high-voltage forklift electrical system to be tested are connected in series through power lines to form a high-voltage safety test loop.
The signal collector 3 is connected with the high-voltage forklift electrical system 5 to be tested, and the signal collector 3 is used for detecting the test data of the high-voltage forklift electrical system 5 to be tested and transmitting the test data to the computer 2.
The waveform of the voltage generated by the signal simulator 4 is one or a mixture of sine wave, square wave, triangular wave or sawtooth wave; the voltage regulation range of the direct current stabilized power supply 1 is 0-1200V, and the slew rate is 15V/millisecond. By controlling the direct-current stabilized voltage power supply 1 and the signal simulator 4, voltages with different waveforms can be simulated, and the voltage simulation device is used for simulating the working and safety conditions of the high-voltage forklift electrical system 5 to be tested under different working conditions or fault states.
The signal collector 3 comprises a current sensor, a voltage sensor and a communication signal collecting card, the current sensor and the voltage sensor are connected with the direct current stabilized voltage power supply 1 through a power line, and the communication signal collecting card is connected with the computer 2 through a signal line.
A data storage hard disk, a signal analysis unit and an analysis data storage unit are arranged in the computer 2, and the data storage hard disk is used for storing voltage and current data output by the signal collector; the data storage hard disk and the analysis data storage unit are both connected with the signal analysis unit.
The utility model provides a high voltage fork truck electrical system safety test device's test step as follows:
A. the computer 2 controls the direct-current stabilized voltage power supply 1 and the signal simulator 4, and the signal simulator 4 generates a functional test voltage and outputs the functional test voltage to the high-voltage forklift electrical system 5 to be tested;
B. the signal collector 3 collects the voltage and the current of the high-voltage forklift electrical system 5 to be tested under the function test voltage and transmits the test data to the computer 2;
C. the computer 2 analyzes the test data, checks the state of the high-voltage forklift electrical system 5 to be tested, and analyzes the operation condition and the safety condition of the high-voltage forklift electrical system.
In the step A, the functional test voltage generated by the signal simulator 4 comprises an undervoltage state, an overvoltage state and an off-stop state; the voltage of the under-voltage state is lower than the rated voltage of the high-voltage forklift electrical system 5 to be measured, is 230V and lasts for 120s; the voltage of the overvoltage state is higher than the rated voltage of the high-voltage forklift electrical system 5 to be tested, is 820V and lasts for 120s; the voltage of the power-off state is within 0.08s, and the voltage is reduced to 0V from the rated voltage of the high-voltage forklift electrical system 5 to be tested.
Example 2:
the present embodiment 2 differs from embodiment 1 in that: the high-low temperature test box comprises a high-low temperature test box 6, a high-voltage forklift electrical system 5 to be tested can be placed in the high-low temperature test box 6, a temperature control device is arranged on the high-low temperature test box 6 and can control the temperature in the high-low temperature test box 6 and be used for testing the adaptability of the high-voltage forklift electrical system 5 to be tested under a high-low temperature environment, the temperature adjusting range of the high-low temperature test box 6 is-30 ℃ to +40 ℃, the temperature only needs to be set during testing, and the high-voltage forklift electrical system 5 to be tested can be placed in the high-low temperature test box 6.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A safety testing device for an electrical system of a high-voltage forklift is characterized by comprising a direct-current stabilized voltage power supply, a computer, a signal simulator and a signal collector;
the computer is respectively connected with the direct current stabilized voltage power supply and the signal collector through a power line and a signal line;
the computer controls the direct current stabilized power supply and the signal simulator and is used for outputting test voltage to the high-voltage forklift electrical system to be tested;
the signal collector is connected with the high-voltage forklift electrical system to be tested and used for detecting test data of the high-voltage forklift electrical system to be tested and transmitting the test data to the computer.
2. The safety testing device for the electrical system of the high-voltage forklift as claimed in claim 1, further comprising a high-low temperature test chamber, wherein the electrical system of the high-voltage forklift to be tested can be placed in the high-low temperature test chamber, and a temperature control device is arranged on the high-low temperature test chamber and can control the temperature in the high-low temperature test chamber.
3. The safety testing device for the electrical system of the high-voltage forklift as recited in claim 2, wherein the temperature adjusting range of the high-low temperature test chamber is-30 ℃ to +40 ℃.
4. The safety testing device for the electrical system of the high-voltage forklift according to any one of claims 1 to 3, further comprising an external power supply, wherein the computer and the signal collector are both connected with the external power supply through power lines.
5. The safety testing device for the electric system of the high-voltage forklift as claimed in claim 4, wherein the external power supply, the DC stabilized power supply, the signal simulator and the electric system of the high-voltage forklift to be tested are connected in series through power lines to form a high-voltage safety testing loop.
6. The safety testing device for the electrical system of the high-voltage forklift as recited in claim 4, wherein the waveform of the voltage generated by the signal simulator is selected from one or a mixture of sine wave, square wave, triangular wave and sawtooth wave; the voltage regulation range of the direct current stabilized power supply is 0-1200V, and the slew rate of the direct current stabilized power supply is 15V/millisecond.
7. The safety testing device for the electrical system of the high-voltage forklift as recited in claim 4, wherein the signal collector comprises a current sensor, a voltage sensor and a communication signal acquisition card, the current sensor and the voltage sensor are connected with the DC stabilized voltage power supply through power lines, and the communication signal acquisition card is connected with the computer through signal lines.
8. The safety testing device for the electric system of the high-voltage forklift as claimed in claim 4, wherein a data storage hard disk, a signal analysis unit and an analysis data storage unit are arranged in the computer, and the data storage hard disk is used for storing voltage and current data output by the signal collector; the data storage hard disk and the analysis data storage unit are both connected with the signal analysis unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221344714.0U CN217787225U (en) | 2022-05-31 | 2022-05-31 | High voltage fork truck electrical system safety test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221344714.0U CN217787225U (en) | 2022-05-31 | 2022-05-31 | High voltage fork truck electrical system safety test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217787225U true CN217787225U (en) | 2022-11-11 |
Family
ID=83928123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221344714.0U Active CN217787225U (en) | 2022-05-31 | 2022-05-31 | High voltage fork truck electrical system safety test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217787225U (en) |
-
2022
- 2022-05-31 CN CN202221344714.0U patent/CN217787225U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200953040Y (en) | Turn-to-turn compact resistance voltage testing instrument | |
| CN103454580B (en) | A kind of circuit-breaker switching on-off coil characteristics proving installation | |
| CN102539973B (en) | Charge and discharge detecting system of electric automobile | |
| CN103105557A (en) | Method and device of high-tension switch cabinet multi-fault diagnosis | |
| CN113447856A (en) | Automatic quality inspection testing device and method for transformer | |
| CN210323281U (en) | Transformer on-load tap-changer tester | |
| CN115267592A (en) | Test system | |
| CN204740329U (en) | High -low pressure AC motor testing system | |
| CN112485577B (en) | Low-voltage testing device for power electronic equipment | |
| CN217787225U (en) | High voltage fork truck electrical system safety test device | |
| CN109782185A (en) | A kind of electric automobile high-voltage safety instrumentation and its application | |
| CN203929995U (en) | A kind of frequency converter PCBA test macro | |
| CN107632259A (en) | A kind of testing station for realizing multimode multi-parameters test generating set | |
| CN210427707U (en) | Integrated insulation detection's on-vehicle machine test system that charges | |
| CN210166474U (en) | High-voltage safety testing device for electric automobile | |
| CN112363014A (en) | Distribution network ground short circuit fault distance detection system and detection method thereof | |
| CN210181189U (en) | Fill electric pile power module automatic testing arrangement | |
| CN110736951A (en) | portable fault indicator detection and distribution network fault simulation device | |
| CN110320047A (en) | Diesel generating set test macro | |
| CN213302497U (en) | Current transformer secondary side loop detection device and circuit | |
| CN202102059U (en) | Power unit testing apparatus | |
| CN112782493B (en) | Converter module function detection device and method | |
| CN2304131Y (en) | Comprehensive detecting instrument for loaded tap-switch characteristics of electric transformer | |
| CN113945857A (en) | Detection device and method for switching power supply | |
| CN210626574U (en) | Alternating-current charging stake fault detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |