CN214252446U - Portable isolation transmitter inspection device - Google Patents
Portable isolation transmitter inspection device Download PDFInfo
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- CN214252446U CN214252446U CN202022883826.0U CN202022883826U CN214252446U CN 214252446 U CN214252446 U CN 214252446U CN 202022883826 U CN202022883826 U CN 202022883826U CN 214252446 U CN214252446 U CN 214252446U
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- wires
- box body
- signal generator
- testing device
- power supply
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- 230000001702 transmitter Effects 0.000 title claims abstract description 36
- 238000002955 isolation Methods 0.000 title claims abstract description 33
- 238000007689 inspection Methods 0.000 title description 25
- 239000004593 Epoxy Substances 0.000 claims abstract description 9
- 125000003700 epoxy group Chemical group 0.000 claims abstract description 9
- 239000003822 epoxy resin Substances 0.000 description 10
- 229920000647 polyepoxide Polymers 0.000 description 10
- 238000009413 insulation Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
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Abstract
The utility model discloses a portable isolation changer verifying attachment, including box and case lid, be equipped with insulating epoxy panel in the box, be equipped with signal generator, high accuracy ampere meter, switch, a set of output jack and a set of input jack on the insulating epoxy panel, still include two sets of test wires, every group test wire comprises two wires, and the one end of two wires is equipped with a contact pin respectively, contact pin and output jack, input jack phase-match, a special plug of the other end sharing of wire, special plug and the output phase-match of the analog volume changer that awaits measuring. Compared with the prior art, the utility model discloses the integrated level is high, and it is convenient to use, but a device both can test analog quantity isolation changer. The closed box body has small volume, light weight and long service life. The device is suitable for various analog quantity isolation transmitters and has industrial applicability.
Description
Technical Field
The utility model relates to an keep apart changer inspection and detection field especially relates to a portable isolation changer verifying attachment.
Background
A large number of 4-20mA analog quantity isolation transmitters are generally installed in each control system of power station auxiliary control, speed regulation, excitation and the like, the inspection work of the isolation transmitters is a standard project for the inspection of each system, at present, an inspection method of connecting a signal generator and a high-precision multimeter after the wiring is removed is adopted, the wiring is complex to remove, the efficiency is low, and meanwhile, the inspection work needs to be carried out by large manpower and material resources due to the large number of the isolation transmitters in each inspection.
At present, no device capable of conveniently checking the analog quantity isolation transmitter exists in the market, and the checking work is still to repeatedly disconnect and connect two meters for checking.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a solve above-mentioned problem, promote the analog quantity and keep apart the convenience of changer inspection, reduce the portable isolation changer verifying attachment who overhauls operation personnel work load.
In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a portable isolation changer verifying attachment, includes box and case lid, be equipped with insulating epoxy panel in the box, be equipped with signal generator, high accuracy ampere meter, switch, a set of output jack and a set of input jack on the insulating epoxy panel, still include two sets of test wires, every group test wire comprises two wires, and the one end of two wires is equipped with a contact pin respectively, contact pin and output jack, input jack phase-match, a special plug of the other end sharing of wire, special plug and the output phase-match of analog quantity transducer that awaits measuring.
Preferably, the power switch is a double-pole double-throw switch.
Preferably, a power supply is arranged in the box body, and a power supply input end and a power supply output end of the power supply are respectively and electrically connected with the signal generator and the high-precision ammeter through the double-pole double-throw switch.
Preferably, the signal generator is electrically connected with a group of output jacks through wires, and the high-precision current is electrically connected with a group of input jacks through wires.
Preferably, the power supply is a 12V power supply.
Preferably, the signal generator is a 4-20mA signal generator.
Preferably, the box cover is rotatably connected with the box body through a hinge.
Preferably, the hinge is an insulating hinge and is fixed on the side walls of the box cover and the box body through insulating screws.
Preferably, the box body is an all-insulated box body with a handle.
Preferably, the handle is an insulated handle.
Compared with the prior art, the utility model has the advantages of:
1. the device has high integration level and convenient use, and the transmitter can be isolated by one device by checking analog quantity.
2. The closed box body has small volume, light weight and long service life.
3. The device is suitable for various analog quantity isolation transmitters and has industrial applicability.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic circuit diagram of the present invention.
In the figure: 1. a signal generator; 2. a high-precision ammeter; 3. an output end jack; 31. an input end jack; 4. a box cover; 5. a power switch; 6. an insulating epoxy panel; 7. inserting a pin; 8. a test line; 9. a special plug; 10. and (4) a box body.
Detailed Description
The present invention will be further explained below.
Example 1: referring to fig. 1 and 2, a portable isolation transmitter inspection device comprises a box body 10 and a box cover 4, wherein an insulating epoxy resin panel 6 is arranged in the box body 10, a signal generator 1, a high-precision ammeter 2, a power switch 5, a group of output jacks 3, a group of input jacks 31 and two groups of test wires 8 are arranged on the insulating epoxy resin panel 6, each group of test wires 8 consists of two wires, one end of each of the two wires is provided with a contact pin 7, the contact pins 7 are matched with the output jacks 3 and the input jacks 31, the other ends of the wires share one special plug 9, and the special plug 9 is matched with the output end of an analog quantity transmitter to be detected. Two groups of test wires 8 are designed for convenient splicing and wiring, the device and the analog quantity transmitter to be tested are quickly connected through a contact pin 7 and a special plug 9, the device is provided with different types of special plugs 9, the device can be suitable for isolating transmitters of all common analog quantities on the market, and the practicability and convenience of the device are improved.
The inspection circuit special for the analog quantity isolation transmitter is designed, the signal generator 1 is the signal generator 1 with 4-20mA, the power switch 5 is a double-pole double-throw switch, a power supply is arranged in the box body 10, the power supply is a 12V power supply, the power input end and the power output end of the power supply are respectively electrically connected with the signal generator 1 and the high-precision ammeter 2 through the double-pole double-throw switch, the signal generator 1 is electrically connected with a group of output jacks 3 through wires, and the high-precision current is electrically connected with a group of input jacks 31 through wires.
The maintenance operation process: portable analog quantity isolation transmitter verifying attachment uses conveniently, with the output socket that 8 plug-in devices of first group test wire correspond, the special plug 9 of test wire 8 inserts the input of analog quantity transmitter, with the input port of 8 plug-in devices of second group test wire, the special plug 9 of test wire 8 inserts the output of analog quantity transmitter, adjust 4-20mA signal generator 1 output current after the start-up power after and observe the electric current numerical value that shows on the record high accuracy ampere meter 2, whether the operating condition who obtains analog quantity isolation transmitter through calculating is qualified.
The box cover 4 is rotatably connected with the box body 10 through a hinge, so that the switch of the inspection device can be conveniently used. The box body 10 is a fully insulated box body 10 with a handle, and has the functions of convenient carrying and insulation protection.
The panel of the inspection device is made of a high-strength insulating epoxy resin plate, the epoxy resin plate is provided with an opening and provided with elements such as a 4-20mA signal generator 1, a high-precision ammeter 2, a power switch 5, a jack, a contact pin 7, a test wire 8, a special module plug and the like, a 12V power supply is arranged inside a box body 10, the box body 10 is a full-insulating sealed box with a handle, and the test wire 8 of a special plug 9 is additionally arranged.
Example 2: the utility model provides a portable isolation changer verifying attachment, includes box 10 and case lid 4, be equipped with insulating epoxy panel 6 in the box 10, be equipped with signal generator 1, high accuracy ampere meter 2, switch 5, a set of output jack 3 and a set of input jack 31 on the insulating epoxy panel 6, still include two sets of test lines 8, every group test line 8 comprises two wires, and the one end of two wires is equipped with a contact pin 7 respectively, contact pin 7 and output jack 3, input jack 31 phase-match, a special plug 9 of the other end sharing of wire, special plug 9 and the output phase-match of the analog quantity transducer that awaits measuring. Two groups of test wires 8 are designed for convenient splicing and wiring, the device and the analog quantity transmitter to be tested are quickly connected through a contact pin 7 and a special plug 9, the device is provided with different types of special plugs 9, the device can be suitable for isolating transmitters of all common analog quantities on the market, and the practicability and convenience of the device are improved.
The inspection circuit special for the analog quantity isolation transmitter is designed, the signal generator 1 is the signal generator 1 with 4-20mA, the power switch 5 is a double-pole double-throw switch, a power supply is arranged in the box body 10, the power supply is a 12V power supply, the power input end and the power output end of the power supply are respectively electrically connected with the signal generator 1 and the high-precision ammeter 2 through the double-pole double-throw switch, the signal generator 1 is electrically connected with a group of output jacks 3 through wires, and the high-precision current is electrically connected with a group of input jacks 31 through wires.
The box cover 4 is rotatably connected with the box body 10 through a hinge, so that the switch of the inspection device can be conveniently used. The box body 10 is a fully insulated box body 10 with a handle, and has the functions of convenient carrying and insulation protection.
The hinge adopts an insulating hinge, is fixed on the side walls of the box cover and the box body through insulating screws, and realizes the fixation of the box cover 4 and the box body 10 through the insulating hinge and the insulating screws, so that the inspection operation of the inspection device cannot be influenced.
The panel of the inspection device is made of a high-strength insulating epoxy resin plate, the epoxy resin plate is provided with an opening and provided with elements such as a 4-20mA signal generator 1, a high-precision ammeter 2, a power switch 5, a jack, a contact pin 7, a test wire 8, a special module plug and the like, a 12V power supply is arranged inside a box body 10, the box body 10 is a full-insulating sealed box with a handle, and the test wire 8 of a special plug 9 is additionally arranged.
Example 3: referring to fig. 1 and 2, a portable isolation transmitter inspection device comprises a box body 10 and a box cover 4, wherein an insulating epoxy resin panel 6 is arranged in the box body 10, a signal generator 1, a high-precision ammeter 2, a power switch 5, a group of output jacks 3, a group of input jacks 31 and two groups of test wires 8 are arranged on the insulating epoxy resin panel 6, each group of test wires 8 consists of two wires, one end of each of the two wires is provided with a contact pin 7, the contact pins 7 are matched with the output jacks 3 and the input jacks 31, the other ends of the wires share one special plug 9, and the special plug 9 is matched with the output end of an analog quantity transmitter to be detected. Two groups of test wires 8 are designed for convenient splicing and wiring, the device and the analog quantity transmitter to be tested are quickly connected through a contact pin 7 and a special plug 9, the device is provided with different types of special plugs 9, the device can be suitable for isolating transmitters of all common analog quantities on the market, and the practicability and convenience of the device are improved.
The inspection circuit special for the analog quantity isolation transmitter is designed, the signal generator 1 is the signal generator 1 with 4-20mA, the power switch 5 is a double-pole double-throw switch, a power supply is arranged in the box body 10, the power supply is a 12V power supply, the power input end and the power output end of the power supply are respectively electrically connected with the signal generator 1 and the high-precision ammeter 2 through the double-pole double-throw switch, the signal generator 1 is electrically connected with a group of output jacks 3 through wires, and the high-precision current is electrically connected with a group of input jacks 31 through wires.
The box cover 4 is rotatably connected with the box body 10 through a hinge, so that the switch of the inspection device can be conveniently used. The box body 10 is a fully insulated box body 10 with a handle, and has the functions of convenient carrying and insulation protection.
As a preferred scheme, the handle adopts an insulating handle, so that the handle is convenient to carry, and the complete operation of workers is guaranteed.
The panel of the inspection device is made of a high-strength insulating epoxy resin plate, the epoxy resin plate is provided with an opening and provided with elements such as a 4-20mA signal generator 1, a high-precision ammeter 2, a power switch 5, a jack, a contact pin 7, a test wire 8, a special module plug and the like, a 12V power supply is arranged inside a box body 10, the box body 10 is a full-insulating sealed box with a handle, and the test wire 8 of a special plug 9 is additionally arranged.
In sum, the utility model discloses an integrated signal generator 1, high accuracy ampere meter 2, working power supply, device connecting wire, isolation changer special plug 9 are as an organic whole, adopt and seal box 10 encapsulation, realize convenient inspection analog quantity and keep apart changer behavior, promote the analog quantity and keep apart the convenience of changer inspection, reduce maintenance operation personnel's work load.
The portable isolation transmitter inspection device provided by the present invention is described in detail above, and the principle and the implementation of the present invention are explained by applying specific examples, and the description of the above embodiments is only used to help understanding the method and the core idea of the present invention; while the invention has been described in terms of specific embodiments and applications, it will be apparent to those skilled in the art that numerous variations and modifications can be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a portable isolation changer verifying attachment which characterized in that: including box and case lid, be equipped with insulating epoxy panel in the box, be equipped with signal generator, high accuracy ampere meter, switch, a set of output jack and a set of input jack on the insulating epoxy panel, still include two sets of test wires, every group test wire comprises two wires, and the one end of two wires is equipped with a contact pin respectively, contact pin and output jack, input jack phase-match, a special plug of the other end sharing of wire, special plug and the output phase-match of analog quantity transducer that awaits measuring.
2. The portable isolation transmitter testing device of claim 1, wherein: the power switch is a double-pole double-throw switch.
3. The portable isolation transmitter testing device of claim 2, wherein: the power supply is arranged in the box body, and the power supply input end and the power supply output end of the power supply are respectively and electrically connected with the signal generator and the high-precision ammeter through the double-pole double-throw switch.
4. The portable isolation transmitter testing device of claim 3, wherein: the signal generator is electrically connected with a group of output end jacks through wires, and the high-precision current is electrically connected with a group of input end jacks through wires.
5. The portable isolation transmitter testing device of claim 3, wherein: the power supply is a 12V power supply.
6. The portable isolation transmitter testing device of claim 1, wherein: the signal generator is a 4-20mA signal generator.
7. The portable isolation transmitter testing device of claim 1, wherein: the box cover is rotatably connected with the box body through hinges.
8. The portable isolation transmitter testing device of claim 7, wherein: the hinge is an insulating hinge and is fixed on the side walls of the box cover and the box body through insulating screws.
9. The portable isolation transmitter testing device of claim 1, wherein: the box body is a fully-insulated box body with a handle.
10. The portable isolation transmitter testing device of claim 9, wherein: the handle adopts an insulating handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022883826.0U CN214252446U (en) | 2020-12-03 | 2020-12-03 | Portable isolation transmitter inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022883826.0U CN214252446U (en) | 2020-12-03 | 2020-12-03 | Portable isolation transmitter inspection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214252446U true CN214252446U (en) | 2021-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022883826.0U Active CN214252446U (en) | 2020-12-03 | 2020-12-03 | Portable isolation transmitter inspection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214252446U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114594289A (en) * | 2022-03-03 | 2022-06-07 | 广州皖文电气设备有限公司 | Isolation detection box for engineering field power distribution cabinet |
-
2020
- 2020-12-03 CN CN202022883826.0U patent/CN214252446U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114594289A (en) * | 2022-03-03 | 2022-06-07 | 广州皖文电气设备有限公司 | Isolation detection box for engineering field power distribution cabinet |
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