CN211180108U - Safe and efficient comprehensive relay test protection device - Google Patents
Safe and efficient comprehensive relay test protection device Download PDFInfo
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- CN211180108U CN211180108U CN201921862826.3U CN201921862826U CN211180108U CN 211180108 U CN211180108 U CN 211180108U CN 201921862826 U CN201921862826 U CN 201921862826U CN 211180108 U CN211180108 U CN 211180108U
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Abstract
The utility model discloses a safe and high-efficiency comprehensive relay test protection device, which comprises a relay tester used for detecting a relay, a display screen is arranged on the front surface of the relay tester, a plurality of operation buttons are distributed on one side of the display screen, and a power connection hole is arranged below the front side of the relay tester and is used for inserting a detection pen and connecting the relay to be detected through the detection pen, the interior of the relay tester is divided into an inner cavity and an outer cavity, a relay test element is arranged in the inner cavity, a protection device is arranged in the outer cavity, the protection device comprises a dry ice tank, a sealing cover is arranged on the dry ice tank, dry ice is contained in the dry ice tank, the protection device can realize safe and effective cooling protection on a relay tester and prevent the relay tester from being damaged due to overheating, therefore, the working efficiency of the relay tester is improved, and the service life of the relay tester is prolonged.
Description
Technical Field
The utility model relates to an electrical equipment field, more specifically say, relate to a safe efficient synthesizes relay test protection device.
Background
The relay protection is an important measure for detecting faults or abnormal conditions occurring in the power system so as to send out alarm signals or directly isolate and remove fault parts. When the power system has a fault or an abnormal working condition, the fault equipment is automatically cut off from the system or a signal is sent out to eliminate the source of the abnormal working condition by an operator on duty in the shortest possible time and the smallest possible area, so that the damage of the equipment and the influence on the power supply of the adjacent area are reduced or avoided.
Therefore, before the relay is installed and used, the safety of the relay is tested to be very important. The sensitivity of the relay is usually required to be tested, and safety accidents caused by the faults of the relay when the faults or abnormal conditions occur are prevented.
However, the comprehensive relay test equipment needs to simulate the extreme condition of the circuit, and often causes a large burden on the electrical components of the comprehensive relay test equipment in long-term use, so that the comprehensive relay test equipment generates excessive heat, and the service life of the comprehensive relay test equipment is affected.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a safe efficient synthesizes relay test protection device, it can realize carrying out safe effectual cooling protection to the relay tester, prevents that it is overheated impaired to this improves the work efficiency of relay tester, and the life of extension relay tester.
In order to solve the above problems, the utility model adopts the following technical proposal.
A safe and efficient comprehensive relay test protection device comprises a relay tester, a display screen is installed on the front side of the relay tester, a plurality of operation buttons are distributed on one side of the display screen, a power connection hole is formed in the lower portion of the front side of the relay tester and used for inserting a detection pen, the relay to be detected is connected through the detection pen, the interior of the relay tester is divided into an inner cavity and an outer cavity, a relay test element is installed in the inner cavity, a protection device is installed in the outer cavity and comprises a dry ice tank, a sealing cover is installed on the dry ice tank, dry ice is contained in the dry ice tank, a gas pipe is connected to the bottom of the dry ice tank, a cold gas plate is connected to the gas pipe, a plurality of gas outlets are distributed on the cold gas plate, a plurality of cold gas holes are distributed on the side wall of the gas outlets, the cold gas holes are communicated with the gas pipe, a plug plate is further placed in the gas, the edge of the plug board is connected with a plurality of connecting rods, a plurality of air holes are drilled on the side wall of the inner cavity opposite to the cold air board, a telescopic pipe is arranged at the air hole, one end of the telescopic pipe far away from the side wall of the inner cavity is provided with a pipe orifice flange, the two ends of each connecting rod are respectively connected with the pipe orifice flange and the plug board, the outer side wall of the inner cavity is provided with a plurality of air cylinders, telescopic rods of the air cylinders are connected with the pipe orifice flange, the inner cavity is also connected with an air outlet pipe, the air outlet pipe is connected with an air extractor and connected with the input end of the air extractor, the output end of the air extractor is connected with a temperature control three-way valve, two output ports of the temperature control three-way valve are respectively connected with an exhaust pipe and a return pipe, wherein the exhaust, therefore, the working efficiency of the relay tester is improved, and the service life of the relay tester is prolonged.
Furthermore, the display screen is a touch display screen, and the display screen is connected through a bolt and installed in a reserved installation hole of the relay tester.
Furthermore, the inner side wall of the sealing cover is provided with an internal thread, the outer side wall of the opening end of the dry ice tank is provided with an external thread, and the dry ice tank is connected with the sealing cover through threaded engagement.
Furthermore, a rubber pad is pasted on the inner side wall of the closed end of the sealing cover.
Furthermore, a hollow interlayer is arranged in the cold air plate, the tail end of the air conveying pipe is communicated with the hollow interlayer, and the hollow interlayer is communicated with the cold air hole.
Further, the plug plate is in transition fit with the air outlet.
Further, the length of connecting rod is shorter than the interval 3 millimeters of air conditioning hole centre of a circle to the air conditioning inboard wall, and the radius in air conditioning hole is less than 3 millimeters, and the inside wall of air conditioning board is for closing on the one side of flexible pipe.
Further, the tail end of the exhaust pipe is connected with a carbon dioxide gas storage tank.
Compared with the prior art, the utility model has the advantages of:
this scheme can realize carrying out safe effectual cooling protection to the relay tester, prevents that it is overheated impaired to this improves the work efficiency of relay tester, and prolongs the life of relay tester.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic perspective view of the air conditioning plate of the present invention;
FIG. 4 is a schematic side view of the cooling plate of the present invention;
the reference numbers in the figures illustrate:
1 relay tester, 2 operating buttons, 3 power connecting holes, 4 display screens, 5 dry ice tanks, 6 sealing covers, 7 air extractors, 8 temperature control three-way valves, 9 exhaust pipes, 10 return pipes, 11 gas pipes, 12 cold gas plates, 13 gas outlets, 14 cold gas holes, 15 plug plates, 16 connecting rods, 17 telescopic pipes and 18 cylinders.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, a safe and efficient integrated relay test protection device includes a relay tester 1 for testing a relay, a display screen 4 is arranged on the front surface of the relay tester 1, a plurality of operation buttons 2 are distributed on one side of the display screen 4, and a power connection hole 3 is arranged below the front side of the relay tester 1 and is used for inserting a detection pen and connecting a relay to be tested through the detection pen, the interior of the relay tester 1 is divided into an inner cavity and an outer cavity, a relay test element is arranged in the inner cavity, a protection device is arranged in the outer cavity, the protection device comprises a dry ice tank 5, a sealing cover 6 is arranged on the dry ice tank 5, dry ice is contained in the dry ice tank 5, the bottom of the dry ice tank 5 is connected with an air pipe 11, the air pipe 11 is connected with a cold air plate 12, and a plurality of air outlets 13 are distributed on the cold air plate 12.
A plurality of cold air holes 14 are distributed on the side wall of the air outlet 13, the cold air holes 14 are communicated with the air delivery pipe 11, a plug plate 15 is also placed in the air outlet 13, the plug plate 15 is in transition fit with the air outlet 13, a plurality of connecting rods 16 are connected at the edge of the plug plate 15, a plurality of air holes are cut on the side wall of the inner cavity right opposite to the cold air plate 12, a telescopic pipe 17 is installed at the air holes, one end of the telescopic pipe 17 far away from the side wall of the inner cavity is provided with a pipe orifice flange, two ends of the connecting rods 16 are respectively connected with the pipe orifice flange and the plug plate 15, a plurality of air cylinders 18 are installed on the outer side wall of the inner cavity, telescopic rods of the air cylinders 18 are connected on the pipe orifice flange, the inner cavity is also connected with an air outlet pipe, the air outlet pipe is connected with an air pump 7 through the air outlet pipe and connected with the, wherein the exhaust pipe 9 leads to the outer side of the relay tester 1, and the return pipe 10 leads to the inner cavity of the relay tester 1.
When the device is used, dry ice is placed in a dry ice tank 5, the sealing cover 6 is sealed, the dry ice is heated and sublimated to generate low-temperature carbon dioxide gas, the carbon dioxide gas is communicated to a cold air hole 14 through a gas conveying pipe 11, at the moment, a cylinder 18 controls a plug plate 15 to extend into a gas outlet 13 and pass through the cold air hole 14, the cold air hole 14 is positioned between the plug plate 15 and a pipe orifice flange, the low-temperature carbon dioxide gas enters a telescopic pipe 17 through the cold air hole 14 and enters an inner cavity of a relay tester 1 from the telescopic pipe 17 to carry out cooling protection on a relay test element, then, mixed gas enters a temperature control three-way valve 8 through an air pump 7, when the temperature of the mixed gas is lower, the mixed gas enters a return pipe 10 through the temperature control three-way valve 8, the inner cavity of the relay tester 1 is returned to carry out cooling protection on the relay test, reducing the input amount of low-temperature carbon dioxide gas; when the mixed gas temperature is higher, get into blast pipe 9 through control by temperature change three-way valve 8 and discharge, can realize carrying out safe effectual cooling protection to the relay tester, prevent that it is overheated impaired to this improves the work efficiency of relay tester, and the life of extension relay tester.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (8)
1. The utility model provides a safe efficient synthesizes relay test protection device, includes relay tester (1), its characterized in that: the relay tester is characterized in that a display screen (4) is installed on the front side of the relay tester (1), a plurality of operation buttons (2) are distributed on one side of the display screen (4), a power connection hole (3) is formed in the front side of the relay tester (1), the interior of the relay tester (1) is divided into an inner cavity and an outer cavity, a relay testing element is installed in the inner cavity, a protection device is installed in the outer cavity and comprises a dry ice tank (5), a sealing cover (6) is installed on the dry ice tank (5), dry ice is contained in the dry ice tank (5), the bottom of the dry ice tank (5) is connected with a gas pipe (11), a cold gas plate (12) is connected onto the gas pipe (11), a plurality of gas outlets (13) are distributed on the cold gas plate (12), a plurality of cold gas holes (14) are distributed on the side wall of the gas outlets (13), and the cold gas holes (14) are communicated with the gas pipe (11, the air pump is characterized in that a plug plate (15) is further placed in the air outlet (13), a plurality of connecting rods (16) are connected to the edge of the plug plate (15), a plurality of air holes are drilled in the right inner cavity side wall of the cold air plate (12), a telescopic pipe (17) is installed at the position of the air holes, one end, away from the inner cavity side wall, of the telescopic pipe (17) is provided with a pipe orifice flange, two ends of each connecting rod (16) are respectively connected with the pipe orifice flange and the plug plate (15), a plurality of air cylinders (18) are installed on the outer side wall of the inner cavity, telescopic rods of the air cylinders (18) are connected onto the pipe orifice flange, the inner cavity is further connected with an air outlet pipe, the air outlet pipe is connected with an air pump (7), the air outlet pipe is connected to the input end of the air pump (7), the output end of the air pump (7), the exhaust pipe (9) leads to the outer side of the relay tester (1), and the return pipe (10) leads to the inner cavity of the relay tester (1).
2. The safe and efficient comprehensive relay test protection device according to claim 1, characterized in that: the display screen (4) is a touch display screen, and the display screen (4) is installed in a reserved installation hole of the relay tester (1) through bolt connection.
3. The safe and efficient comprehensive relay test protection device according to claim 1, characterized in that: cut on the inside wall of sealed lid (6) and have the internal thread, it has the external screw thread to cut on the lateral wall of dry ice jar (5) open end, dry ice jar (5) are through the sealed lid of threaded connection (6).
4. The safe and efficient comprehensive relay test protection device according to claim 1, characterized in that: and a rubber pad is adhered to the inner side wall of the closed end of the sealing cover (6).
5. The safe and efficient comprehensive relay test protection device according to claim 1, characterized in that: the cold air plate (12) is internally provided with a hollow interlayer, the tail end of the air conveying pipe (11) is communicated with the hollow interlayer, and the hollow interlayer is communicated with the cold air hole (14).
6. The safe and efficient comprehensive relay test protection device according to claim 1, characterized in that: the plug plate (15) is in transition fit with the air outlet (13).
7. The safe and efficient comprehensive relay test protection device according to claim 1, characterized in that: the length of connecting rod (16) is than the interval 3 millimeters short of air conditioning hole (14) centre of a circle to cold gas board (12) inside wall, the radius of cold gas hole (14) is less than 3 millimeters, the inside wall of cold gas board (12) is the one side that closes on flexible pipe (17).
8. The safe and efficient comprehensive relay test protection device according to claim 1, characterized in that: the tail end of the exhaust pipe (9) is connected with a carbon dioxide gas storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921862826.3U CN211180108U (en) | 2019-11-01 | 2019-11-01 | Safe and efficient comprehensive relay test protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921862826.3U CN211180108U (en) | 2019-11-01 | 2019-11-01 | Safe and efficient comprehensive relay test protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211180108U true CN211180108U (en) | 2020-08-04 |
Family
ID=71801366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921862826.3U Active CN211180108U (en) | 2019-11-01 | 2019-11-01 | Safe and efficient comprehensive relay test protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211180108U (en) |
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2019
- 2019-11-01 CN CN201921862826.3U patent/CN211180108U/en active Active
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