CN216847959U - Portable protection and test integrated tester without external power supply - Google Patents
Portable protection and test integrated tester without external power supply Download PDFInfo
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- CN216847959U CN216847959U CN202121304654.5U CN202121304654U CN216847959U CN 216847959 U CN216847959 U CN 216847959U CN 202121304654 U CN202121304654 U CN 202121304654U CN 216847959 U CN216847959 U CN 216847959U
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Abstract
The utility model provides a need not external power supply's portable guarantor's integrative tester of surveying, the device comprises a device body, operating panel and shell, the front end of device body is provided with operating panel, install fixedly all around through the shell, last display screen and the button of being equipped with of operating panel, this internal battery that includes of device, the fan, mainboard and the module of integration on the mainboard, the mainboard is through the rotational speed of heat dissipation adjustment module control fan, the battery carries out power output through battery management module and adjusts, data display and button input are accomplished through the human-computer interaction module to display screen and button, voltage current power amplifier module, switching value control module, supplementary DC power supply module is used for realizing relevant simulation, digital current voltage output, switching action monitoring and auxiliary power supply output. The utility model discloses a rational design each module and collocation heat dissipation adjusting module, under the prerequisite that satisfies the debugging requirement, realized the work efficiency of 35kV and following guarantor survey integrative device debugging.
Description
Technical Field
The utility model relates to a test equipment technical field of transformer substation, in particular to need not external power supply's portable guarantor and surveys integrative tester.
Background
The protection and measurement integrated device for 35kV and below in the transformer substation is more, has simple logic, and is mostly overcurrent protection, low-frequency load shedding and the like. The basic construction and acceptance workload of secondary maintainers is large, relay protection debugging is required, a large amount of work is automatic remote signaling and remote measuring information checking work, and a tester and analog quantity are required.
At present, the debugging of the protection and test integrated device of 35kV and below still uses a conventional general testing device, the size is large, the movement is difficult, and especially, the taking of a working power supply of a newly-built transformer substation is troublesome and the working efficiency is low.
Based on this, a portable protection and test integrated tester which is small in size, light in weight, convenient to move, comprehensive in function and free of an external power supply is urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing a need not portable guarantor's integrative tester of survey of external power supply, through each module of rational design and collocation heat dissipation adjusting module, under the prerequisite that satisfies the debugging requirement, realized the work efficiency of 35kV and following guarantor's integrative device debugging.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a need not integrative tester of portable guarantor's survey of external power supply, includes device body, operating panel and shell, the front end of device body is provided with operating panel, installs fixedly all around through the shell, last display screen and the button of being equipped with of operating panel, this internal battery, fan, mainboard and the module of integration on the mainboard of including of device, the module includes voltage and current power amplifier module, battery management module, switching value control module, supplementary DC power supply module, man-machine interaction module and heat dissipation regulation module, the mainboard passes through the rotational speed of heat dissipation regulation module control fan, the battery carries out power output regulation through battery management module, data display and button are accomplished through man-machine interaction module to display screen and button, voltage and current power amplifier module, switching value control module, supplementary DC power supply module are used for realizing relevant simulation, Digital current-voltage output, switching action monitoring and auxiliary power supply output.
Furthermore, handles are arranged around the shell and are convenient for a tester to grasp.
Furthermore, the shell is provided with transverse textures and strip-shaped anti-slip strips for improving holding operation.
Furthermore, the shell is made of insulating plastic materials and used for improving safety.
Furthermore, the heat dissipation adjusting module comprises a frequency converter and a temperature sensor, the temperature sensor is used for monitoring the real-time temperature of the tester, and the frequency converter is connected with the mainboard and used for adjusting the rotating speed of the fan according to the monitored temperature.
Furthermore, a 3-path voltage output terminal of the voltage and current power amplifier module is connected with a protected voltage input terminal, and the N end of the voltage terminal is connected with the N end of the protected voltage terminal; connecting a 1-path current output terminal of the voltage and current power amplifier module with a protected current input terminal, wherein the N end of the current terminal is connected with the corresponding N end of the protected current terminal; one end of an open-out terminal of the switching value control module is connected with a positive power supply, the other end of the open-out terminal of the switching value control module is connected with a protective jump position monitoring open-in terminal, and a protective open-in public end of the switching value control module is connected with a negative power supply and used for simulating the position of a circuit breaker; one end of an open-close terminal of the switching value control module is connected with one end of a trip outlet of the protection, and the other end of the open-close terminal is connected with the other end of the trip outlet of the protection and used for monitoring the trip action of the protection.
Furthermore, heat dissipation holes are formed in the periphery of the device body.
Furthermore, a plurality of interfaces are arranged on the device body.
Furthermore, the mainboard is in a shape of a Chinese character 'ao', the opening of the Chinese character 'ao' is used for installing a battery, and the shell is provided with an installation opening matched with the opening of the Chinese character 'ao'.
Has the advantages that: the tester of the utility model is suitable for monomer calibration of 35kV and below; the tester is started and is powered and driven by batteries (4 groups of 12 lithium batteries), the fan is started along with the tester, the rotating speed of the fan can be adjusted by the mainboard according to the heating condition of each electric appliance in the device, the problem of small heat concentration in space is solved through reasonable heat dissipation design, and meanwhile reasonable balance of cruising ability and power output is achieved through storage battery management and power consumption control.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural diagram of a portable testing and protecting integrated tester without an external power supply according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an internal structure of a portable protection and test integrated tester without an external power supply according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an internal structure of a portable protection and measurement integrated tester without an external power supply according to an embodiment of the present invention;
fig. 4 is a schematic block diagram of a system of each module of the portable integrated tester for testing and protecting without an external power supply according to an embodiment of the present invention.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
Referring to FIGS. 1-4: a portable protection and test integrated tester without an external power supply comprises a device body 1, an operation panel 2 and a shell 3, wherein the operation panel 2 is arranged at the front end of the device body 1, the periphery of the device body is fixedly installed through the shell 3, a display screen 201 and keys 202 are arranged on the operation panel 2, the device body 1 comprises a battery 101, a fan 102, a mainboard 103 and a module integrated on the mainboard 103, the module comprises a voltage and current power amplification module 104, a battery management module 105, a switching value control module 106, an auxiliary direct current power supply module 107, a man-machine interaction module 108 and a heat dissipation adjustment module 109, the mainboard 103 controls the rotating speed of the fan 102 through the heat dissipation adjustment module 109, the battery 101 performs power output adjustment through the battery management module 105, and the display screen 201 and the keys 202 complete data display and key input through the man-machine interaction module 108, the voltage and current power amplifier module 104, the switching value control module 106 and the auxiliary dc power supply module 107 are used to implement related analog and digital current and voltage output, switch motion monitoring and auxiliary power supply output.
The tester of the embodiment is suitable for monomer calibration of 35kV and below; the tester is started and is powered and driven by batteries (4 groups of 12 lithium batteries), the fan is started along with the tester, the rotating speed of the fan can be adjusted by the mainboard according to the heating condition of each electric appliance in the device, the problem of small heat concentration in space is solved through reasonable heat dissipation design, and meanwhile reasonable balance of cruising ability and power output is achieved through storage battery management and power consumption control.
Preferably, the periphery of the shell 3 is provided with a handle 301 for facilitating grasping of a tester, the shell 3 is provided with a strip-shaped anti-slip strip with transverse textures for improving holding operation, and the shell 3 is made of an insulating plastic material and used for improving safety.
In a specific example, the heat dissipation adjustment module 109 includes a frequency converter and a temperature sensor, the temperature sensor is used for monitoring the real-time temperature of the tester, and the frequency converter is connected to the main board 103 and is used for adjusting the rotation speed of the fan 102 according to the monitored temperature.
In a specific implementation, the 3-way voltage output terminal of the voltage-current power amplifier module 104 is connected to the protected voltage input terminal, and the N-terminal of the voltage terminal is connected to the N-terminal of the protected voltage terminal; connecting a 1-path current output terminal of the voltage and current power amplifier module 104 with a protected current input terminal, wherein the N end of the current terminal is connected with the corresponding N end of the protected current terminal; one end of an open terminal of the switching value control module 106 is connected with a positive power supply, the other end of the open terminal is connected with a protective jump position monitoring open-close terminal, and a protective open-close public end is connected with a negative power supply and used for simulating the position of the circuit breaker; one end of the switching terminal of the switching value control module 106 is connected to one end of the trip outlet of the protection, and the other end of the switching terminal is connected to the other end of the trip outlet of the protection, so as to monitor the trip action of the protection.
Specifically, heat dissipation holes are formed in the periphery of the device body 1, and a plurality of interfaces are arranged on the device body 1.
It should be noted that the interface type of this embodiment may include data interfaces such as an optical serial port, a gigabit LAN, RS485, RS232, and a USB.
Further, the main board 103 is in a shape of a Chinese character 'ao', an opening of the Chinese character 'ao' is used for installing the battery 101, and the housing 3 is provided with an installation opening matched with the opening of the Chinese character 'ao'.
The mounting opening is reserved in the position where the shell and the battery are mounted, so that the shell does not need to be detached when the battery is replaced, and the battery is convenient to maintain and use.
The tester of the embodiment can complete the following functions: 1. analog current voltage output; 2. 24V and 48V auxiliary power outputs; 3. a switch action time test (SOE); 4. testing the GPS synchronous output; 5. debugging the serial port function; 6. and finishing the protection function test. The operating panel of this embodiment arranges rationally, has arranged a 7 inches liquid crystal display and a plurality of buttons of taking the touch on it, can accomplish the test of relevant function through operating panel, can realize other human-computer interaction functions simultaneously. After the tester is started, the liquid crystal display screen is lightened, after the tester waits to enter a system, functions to be tested can be selected by touching the liquid crystal display screen, when debugging operation of a protection testing device of 35kV or below is completed, a protection function testing module needs to be selected, testing functions such as overcurrent protection, zero sequence grounding protection, low-frequency low-voltage protection and the like are included in the module, if the overcurrent protection testing function is selected, a digital key on the right side of the display screen can be used for typing in related protection action numerical values, input is completed by pressing a confirmation button, testing is started by using a function key, or a protection testing process is interrupted by using an interruption key, and the function keys are F1-F6 function keys. If a low-frequency low-voltage protection test is required, the return key can be used for reselecting the protection test function. After the protection function test is finished, if the 'remote measuring' function test of the protection test device needs to be carried out, the protection test device can be reselected through the switching key, and the analog current and voltage output function is selected to carry out the operation of related work. The liquid crystal display screen and the keys have high sensitivity, and can provide reliable usability, dust prevention, moisture prevention and sealing performance, thereby realizing convenient and visual operation and use.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The portable protection and test integrated tester without an external power supply is characterized by comprising a device body (1), an operation panel (2) and a shell (3), wherein the operation panel (2) is arranged at the front end of the device body (1), the periphery of the device body is fixedly installed through the shell (3), a display screen (201) and a key (202) are arranged on the operation panel (2), a battery (101), a fan (102), a mainboard (103) and a module integrated on the mainboard (103) are arranged in the device body (1), the module comprises a voltage and current power amplification module (104), a battery management module (105), a switch quantity control module (106), an auxiliary direct current power supply module (107), a human-computer interaction module (108) and a heat dissipation regulation module (109), the mainboard (103) controls the rotating speed of the fan (102) through the heat dissipation regulation module (109), the power output of the battery (101) is adjusted through a battery management module (105), the display screen (201) and the keys (202) complete data display and key input through a man-machine interaction module (108), and the voltage and current power amplification module (104), the switching value control module (106) and the auxiliary direct current power supply module (107) are used for realizing relevant simulation, digital current and voltage output, switching action monitoring and auxiliary power supply output.
2. The portable integrated tester for testing and protecting without external power supply of claim 1 is characterized in that the periphery of the shell (3) is provided with a handle (301) for being convenient for a tester to grasp.
3. The portable protection and measurement integrated tester without an external power supply according to claim 2, characterized in that the housing (3) is provided with cross-grain and strip-shaped anti-slip strips for improving holding operation.
4. The portable integrated tester for testing and protecting without external power supply of claim 1, characterized in that the housing (3) is a shell made of insulating plastic material for improving safety.
5. The portable protection and test integrated tester without an external power supply of claim 2, wherein the heat dissipation adjustment module (109) comprises a frequency converter and a temperature sensor, the temperature sensor is used for monitoring the real-time temperature of the tester, and the frequency converter is connected with the main board (103) and is used for adjusting the rotating speed of the fan (102) according to the monitored temperature.
6. The portable protection and test integrated tester without an external power supply according to claim 1, wherein the 3-way voltage output terminal of the voltage and current power amplifier module (104) is connected with the protected voltage input terminal, and the N end of the voltage terminal is connected with the N end of the protected voltage terminal; connecting a 1-path current output terminal of a voltage and current power amplifier module (104) with a protected current input terminal, wherein the N end of the current terminal is connected with the corresponding N end of the protected current terminal; one end of an open-out terminal of the switch quantity control module (106) is connected with a positive power supply, the other end of the open-out terminal is connected with a protective jumping position monitoring open-in terminal, and a protective open-in public end is connected with a negative power supply and used for simulating the position of the circuit breaker; one end of an open-close terminal of the switch quantity control module (106) is connected with one end of a trip outlet of the protection, and the other end of the open-close terminal is connected with the other end of the trip outlet of the protection and used for monitoring the trip action of the protection.
7. The portable integrated tester for testing and protecting without external power supply of claim 1, wherein the device body (1) is provided with heat dissipation holes around.
8. The portable integrated tester for testing and protecting without external power supply of claim 1, characterized in that the device body (1) is provided with a plurality of interfaces.
9. The portable protection and test integrated tester without an external power supply according to claim 1, wherein the main board (103) is in a shape of a Chinese character 'ao', the opening of the Chinese character 'ao' is used for installing the battery (101), and the housing (3) is provided with an installation opening matched with the opening of the Chinese character 'ao'.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121304654.5U CN216847959U (en) | 2021-06-10 | 2021-06-10 | Portable protection and test integrated tester without external power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121304654.5U CN216847959U (en) | 2021-06-10 | 2021-06-10 | Portable protection and test integrated tester without external power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216847959U true CN216847959U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121304654.5U Active CN216847959U (en) | 2021-06-10 | 2021-06-10 | Portable protection and test integrated tester without external power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216847959U (en) |
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2021
- 2021-06-10 CN CN202121304654.5U patent/CN216847959U/en active Active
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