CN218211689U - Testing device for temperature-adjusting cable type temperature-sensing detector - Google Patents
Testing device for temperature-adjusting cable type temperature-sensing detector Download PDFInfo
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- CN218211689U CN218211689U CN202222280034.3U CN202222280034U CN218211689U CN 218211689 U CN218211689 U CN 218211689U CN 202222280034 U CN202222280034 U CN 202222280034U CN 218211689 U CN218211689 U CN 218211689U
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Abstract
The utility model discloses a testing device for a temperature-adjusting cable type temperature-sensing detector, which comprises a testing host and a testing clamp, wherein the testing host comprises a host shell, a testing panel, a host controller, a starting control module, a temperature display module, a testing temperature adjusting knob, a work indicating module and a signal connecting module, and the testing clamp comprises two half clamp bodies, a clamp half hole, a heat insulator, an electric heating wire, a clamp electric connecting terminal, a temperature sensor and a clamp signal connecting terminal; the testing fixture sequentially clamps the cable-type temperature-sensitive detector along the temperature-sensitive cable, heating temperature can be set and displayed through the testing host, when the heating temperature reaches the alarm value of the cable-type temperature-sensitive detector, an alarm is issued in cooperation of a microcomputer processor of the cable-type temperature-sensitive detector and a terminal box, the testing section temperature-sensitive cable can be judged to be normal, the testing fixture can be put into use, the testing temperature is accurate, controllable and adjustable, the size is small, and the testing fixture is convenient to carry.
Description
Technical Field
The utility model relates to a cable formula temperature sensing detector is with preceding test technical field especially relates to a temperature regulation type cable formula testing arrangement for temperature sensing detector.
Background
Fire safety is a precondition for stable operation of each plant area, enterprise and the like, and a fire automatic alarm system can be arranged to discover and locate fire as early as possible, so that the fire safety becomes one of the most important links in fire safety, and is not exceptional for nuclear power plants. A large number of cables are laid in the nuclear power plant and the nuclear power station, the total length of the cables laid in some nuclear power stations reaches thousands of kilometers, the cables are generally and intensively laid in cable bridges, cable ditches and comprehensive pipe galleries, various large-scale oil-containing equipment such as transformers, oil storage tanks and the like can also be matched and arranged in the nuclear power station, the cables are easily inflammable substances capable of forming fire conditions, once the cables generate serious heating and other faults, an electric power system in the whole power station is damaged, the safe and stable operation of the nuclear power station is endangered, therefore, in order to guarantee the fire safety, the temperature detection of the nuclear power plant and the nuclear power station needs to be carried out in an all-dimensional manner, and the temperature detection task is mainly completed by a cable type temperature detector at present.
The cable type temperature-sensing detector mainly comprises a microcomputer processor, a terminal box and a temperature-sensing cable, wherein the temperature-sensing cable needs to be laid along a use place, and the temperature-sensing cable needs to be tested after the temperature-sensing cable is laid in order to ensure that the cable type temperature-sensing detector can be used successfully after being laid. Taking a national and I demonstration engineering project as an example, the project has high unit power, more equipment and cable quantity than the previous unit configuration, and various cable type temperature detectors are arranged in the project aiming at different fire-proof subarea requirements, the total length of the temperature sensing cables of the various cable type temperature detectors exceeds 90000m, and the test work of the temperature sensing cables with the large quantity after being laid and installed on the site is also very complicated. The existing temperature-sensing cable testing method adopts a hot air gun to heat the cable, and some cables even adopt open fire to carry out simulation tests, so that the testing temperature is difficult to accurately control. In addition the temperature sensing cable is laid usually in cable pit or utility tunnel, and it is inconvenient that current testing tool carries the use like hot-blast rifle, and the debugging efficiency is extremely low. The alarm temperature setting values set by the temperature sensing cables of different types and different environment use requirements are different, when a heat gun and other tools are used for heating the detector to perform simulation test, temperature adjustment and calibration cannot be performed, meanwhile, a closed test environment is difficult to form when the heat gun is used, and even irreversible damage can be caused to the temperature sensing cables if the operation mode is improper, so that the consumption of manpower and material resources is huge.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a testing arrangement for temperature regulating type cable formula temperature sensing detector that easy operation, test temperature are adjustable controllable helps improving temperature sensing cable efficiency of software testing is provided.
In order to solve the technical problem, the technical scheme of the utility model is that: the testing device for the temperature-regulating cable type temperature-sensing detector comprises a testing host and a testing clamp which are detachably connected, wherein the testing host comprises a host shell, a testing panel is sealed at the front end of the host shell, a host controller is arranged in a sealed space defined by the host shell and the testing panel, a starting control module, a temperature display module, a testing temperature regulating knob, a work indicating module and a signal connecting module are arranged on the testing panel, the starting control module, the temperature display module, the testing temperature regulating knob, the work indicating module and the signal connecting module are respectively connected to the host controller, and a wire holder electrically connected with the host controller is fixedly arranged at the rear end of the host shell;
the test fixture comprises two half fixture bodies which are hinged, two ends of each half fixture body are respectively provided with a fixture half hole through which a test line body of a temperature-sensitive detector can conveniently penetrate, heat insulators are respectively partially filled in the two half fixture bodies, an electric heating wire is fixed on the surface of one heat insulator and connected to a fixture electric connecting terminal arranged on the outer side of the corresponding half fixture body, a temperature sensor is arranged on the surface of the other heat insulator, and the temperature sensor is connected to a fixture signal connecting terminal arranged on the outer side of the corresponding half fixture body in a signal mode;
the signal connection module and the clamp electric connection terminal and the clamp signal connection terminal are detachably connected with a signal connection wire respectively.
As a preferred technical scheme, the temperature display module comprises a set temperature display screen and a test temperature display screen, and the set temperature display screen and the test temperature display screen are respectively in signal connection with the host controller.
As a preferred technical solution, the start control module includes a host start switch and a test start switch, and the host start switch and the test start switch are respectively connected to the host controller by signals.
As a preferred technical scheme, the work indication module comprises a host start indicator and a test work indicator, and the host start indicator and the test work indicator are respectively in signal connection with the host controller.
Preferably, the signal connection module comprises a host electrical connection terminal arranged corresponding to the clamp electrical connection terminal, and a host signal connection terminal arranged corresponding to the clamp signal connection terminal.
As a preferred technical scheme, at least one side surface of the host machine shell is provided with a ventilation and heat dissipation grid.
As an improvement on the technical scheme, the half clamp body is a metal half pipe, rubber blocks are respectively plugged at two ends of the metal half pipe, and the half hole of the clamp is arranged on the rubber blocks.
Since the technical scheme is used, the utility model discloses following beneficial effect has: the testing fixture is used for sequentially clamping and testing the cable-type temperature-sensitive detector along the temperature-sensitive cable of the cable-type temperature-sensitive detector, the heating temperature can be set and displayed through the testing host, when the heating temperature reaches the alarm value of the cable-type temperature-sensitive detector, an alarm is given out in cooperation with a microcomputer processor of the cable-type temperature-sensitive detector and a terminal box, the temperature-sensitive cable in the testing section can be judged to be normal and can be put into use, otherwise, the section is judged to have a fault and needs to be replaced, so that the safety detection of fire fighting is ensured, the testing temperature is accurate and controllable, the testing temperature is adjustable through the testing host, the universality of the device is improved, and the testing fixture and the testing host are of an open-split structure, and the device is small in size and convenient to carry.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of an end face of a test fixture according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of one half of the clamp body according to the embodiment of the present invention;
fig. 4 is a schematic structural view of the other half of the clamp body according to the embodiment of the present invention;
in the figure: 1-testing the host machine; 11-a host housing; 12-a test panel; 13-a ventilation and heat dissipation grid; 14-test temperature adjustment knob; 15-setting a temperature display screen; 16-test temperature display screen; 17-a host start switch; 18-test enable switch; 19-the host starts the pilot lamp; 110-test work indicator light; 111-main machine electrical connection terminal; 112-host signal connection terminal; 2-a test fixture; 21-half clamp body; 22-clamp half-bore; 23-an insulator; 24-a rubber block; 25-an electric heating wire; 26-clamp electrical connection terminals; 27-a temperature sensor; 28-clamp signal connection terminals; 3-a signal connection line; 4-temperature sensing cable.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1, 2, 3 and 4, the testing device for the temperature-adjustable cable-type temperature-sensitive detector is used for testing the temperature-sensitive cable 4 of the cable-type temperature-sensitive detector to ensure that the installed cable-type temperature-sensitive detector can be successfully put into use, thereby ensuring the fire safety of a use place. The device specifically comprises a test host 1 and a test fixture 2 which are detachably connected, so that the device is in a detachable structure, is convenient to carry or store and is more convenient to use.
The test host 1 comprises a host shell 11, a test panel 12 is packaged at the front end of the host shell 11, and a host controller is installed in a sealed space enclosed by the host shell 11 and the test panel 12. Host computer shell 11 can adopt steel sheet spraying plastics bending process preparation, just at least one side of host computer shell 11 is equipped with ventilation cooling grid 13, is used for realizing circulation of air in the host computer shell 11 to the thermal giveaway of inside device during operation. In order to improve the heat dissipation efficiency, the ventilation grille 13 is disposed on both sides of the host housing 11. The rear end of host computer shell 11 still fixed mounting has the connection terminal, the connection terminal with the host computer controller electricity is connected and is set up, the connection terminal includes charging seat and power cord seat, be used for doing the working part in the host computer shell 11 provides operating voltage. A built-in storage battery may be provided in the main unit case 11, or may be directly connected to a power supply source through a wire when in use.
The testing device is characterized in that a starting control module, a temperature display module, a testing temperature adjusting knob 14, a working indication module and a signal connection module are installed on the testing panel 12, the starting control module, the temperature display module, the testing temperature adjusting knob 14, the working indication module and the signal connection module are respectively connected to the host controller, the host controller comprises a microprocessor, a system bus and other structures, and the structures are used for carrying out constant temperature or temperature adjusting heating control and are generally used in the technical field and are not described in detail herein.
The temperature display module comprises a set temperature display screen 15 and a test temperature display screen 16, and the set temperature display screen 15 and the test temperature display screen 16 are respectively connected to the host controller through signals. The set temperature display screen 15 is used for displaying a target heating temperature required in the test, and the test temperature display screen 16 is used for displaying an actual heating temperature in the test process. For example, the target heating temperature is set to 75 ℃, and the actual heating temperature can only be heated to 73 ℃ due to temperature loss and the like, and the target heating temperature can be adjusted to be 2-3 ℃ higher to ensure the accuracy of the test.
The starting control module comprises a host starting switch 17 and a test starting switch 18, and the host starting switch 17 and the test starting switch 18 are respectively in signal connection with the host controller. The work indication module comprises a host start indicator light 19 and a test work indicator light 110, and the host start indicator light 19 and the test work indicator light 110 are respectively in signal connection with the host controller. The host start indicator light 19 is arranged corresponding to the host start switch 17, and the test work indicator light 110 is arranged corresponding to the test start switch 18. The host start switch 17 controls the on-off of the power supply of the test host 1, and the test start switch 18 controls the start-stop of the test operation. In the actual test process, the temperature sensing cable 4 needs to be tested section by section in sequence, and when the test position of the temperature sensing cable 4 is adjusted in the test process each time, the on-off of the test starting switch 18 is only controlled. The signal connection module comprises a main machine electrical connection terminal 111 and a main machine signal connection terminal 112, wherein the main machine electrical connection terminal 111 is used for providing heating electric energy for the test fixture 2, and the main machine signal connection terminal 112 is used for receiving a temperature detection signal of the test fixture 2 and displaying the temperature of the test temperature display screen 16.
The test fixture 2 of the embodiment includes two half fixture bodies 21 hinged to each other, two ends of each half fixture body 21 are respectively formed with a fixture half hole 22 through which a test wire body of the cable-type temperature-sensitive detector can conveniently pass, and the two half fixture bodies 21 are respectively and partially filled with a heat insulator 23. The half clamp bodies 21 can be metal half pipes, can be formed by dividing DN32 galvanized steel pipes into two half pipes by diameter lines, are hinged through hinges, form an openable clamp structure, and are convenient to draw materials. After the two half clamp bodies 21 are closed, the two clamp half holes 22 form complete round holes, and the temperature sensing cable 4 penetrates through the test clamp 2 through the round holes. A space for accommodating the temperature sensing cable 4 is formed on the surface of the heat insulator 23 in the two half-clamp bodies 21, and the space simultaneously forms a heating space for heating during testing without pinching the temperature sensing cable 4.
Another heat insulator 23 surface is equipped with temperature sensor 27, temperature sensor 27 signal connection to corresponding on the anchor clamps signal connection terminal 28 that sets up in the half anchor clamps body 21 outside, anchor clamps signal connection terminal 28 can dismantle through signal connection line 3 and be connected to on host computer signal connection terminal 112, realize the transport of detected signal form actual heating temperature under the processing of host computer controller to show through testing temperature display screen 16 in real time.
The operation process of this embodiment is as follows:
respectively connecting the signal connecting wire 3 between the host electrical connecting terminal 111 and the fixture electrical connecting terminal 26, and between the host signal connecting terminal 112 and the fixture signal connecting terminal 28, so as to connect the test host 1 and the test fixture 2, pressing the host start switch 17, turning on the host start indicator 19, slowly rotating the test temperature adjusting knob 14, and observing the value displayed by the set temperature display screen 15 until the target heating temperature is reached; opening the half clamp body 21, straightening the temperature sensing cable 4, putting the temperature sensing cable into the test clamp 2, checking that no other foreign matters exist in the test clamp 2, and combining the temperature sensing cable and the test clamp; the test start switch 18 is pressed while the test operation indicator lamp 110 is lit. Observing the actual heating temperature of the test temperature display screen 16, and observing whether the terminal box of the tested cable-type temperature-sensitive detector generates an alarm signal or not by referring to the response time required to wait in the use specification of the tested cable-type temperature-sensitive detector after the actual heating temperature reaches the rated test temperature of the temperature-sensitive cable 4. If the tested object is a recoverable cable type temperature-sensing detector, the temperature-sensing cable 4 to be tested can be moved out of the test fixture 2, whether an alarm signal of the terminal box disappears or not is observed, then the temperature to be tested is recorded, and the test is completed.
The utility model discloses press from both sides the dress test to it in proper order along cable formula temperature-sensing detector's temperature sensing cable 4 with test fixture 2, can set for and show heating temperature through test host 1, when heating temperature reachs cable formula temperature-sensing detector's alarm value, at cable formula temperature-sensing detector's microprocessor, the warning is issued in the cooperation of terminal box, then can judge that test section temperature-sensing cable 4 is normal, can put into use, otherwise then judge that this section fault needs to be changed, in order to ensure the safety inspection of fire control, test temperature is accurate controllable, it is adjustable still to make test temperature through test host 1, the commonality of this device has been improved, and test fixture 2 and test host 1 are for the formula structure of splitting, and is small, conveniently carry.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (7)
1. Temperature regulation type cable testing arrangement for temperature sensing detector, including the test host computer and the test fixture of dismantling the connection, its characterized in that:
the testing host comprises a host shell, a testing panel is sealed at the front end of the host shell, a host controller is arranged in a sealed space defined by the host shell and the testing panel, a starting control module, a temperature display module, a testing temperature adjusting knob, a work indicating module and a signal connecting module are arranged on the testing panel, the starting control module, the temperature display module, the testing temperature adjusting knob, the work indicating module and the signal connecting module are respectively connected to the host controller, and a wire holder electrically connected with the host controller is fixedly arranged at the rear end of the host shell;
the test fixture comprises two half fixture bodies which are hinged, two ends of each half fixture body are respectively provided with a fixture half hole through which a test line body of a temperature-sensitive detector can conveniently pass, heat insulators are respectively partially filled in the two half fixture bodies, an electric heating wire is fixed on the surface of one heat insulator and is connected to a fixture electric connecting terminal arranged on the outer side of the corresponding half fixture body, a temperature sensor is arranged on the surface of the other heat insulator, and the temperature sensor is connected to a fixture signal connecting terminal arranged on the outer side of the corresponding half fixture body in a signal mode;
the signal connection module and the clamp electrical connection terminal and the clamp signal connection terminal are detachably connected with a signal connection line respectively.
2. The temperature-adjustable cable-type temperature-sensing probe test device according to claim 1, characterized in that: the temperature display module comprises a set temperature display screen and a test temperature display screen, and the set temperature display screen and the test temperature display screen are respectively in signal connection with the host controller.
3. The temperature-adjustable cable-type temperature-sensing probe test device according to claim 1, characterized in that: the starting control module comprises a host starting switch and a test starting switch, and the host starting switch and the test starting switch are respectively connected to the host controller through signals.
4. The temperature-adjusting cable-type temperature-sensitive detector testing device according to claim 1, wherein: the work indication module comprises a host start indicator light and a test work indicator light, and the host start indicator light and the test work indicator light are respectively in signal connection with the host controller.
5. The temperature-adjustable cable-type temperature-sensing probe test device according to claim 1, characterized in that: the signal connection module comprises a host machine electrical connection terminal and a host machine signal connection terminal, wherein the host machine electrical connection terminal corresponds to the clamp electrical connection terminal, and the host machine signal connection terminal corresponds to the clamp signal connection terminal.
6. The temperature-adjustable cable-type temperature-sensing probe test device according to claim 1, characterized in that: at least one side of the host shell is provided with a ventilation and heat dissipation grid.
7. The temperature-adjustable cable-type temperature-sensing probe test device according to claim 1, characterized in that: the semi-clamp body is set to be a metal semi-pipe, rubber blocks are respectively plugged at two ends of the metal semi-pipe, and the semi-hole of the clamp is arranged on the rubber blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222280034.3U CN218211689U (en) | 2022-08-29 | 2022-08-29 | Testing device for temperature-adjusting cable type temperature-sensing detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222280034.3U CN218211689U (en) | 2022-08-29 | 2022-08-29 | Testing device for temperature-adjusting cable type temperature-sensing detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218211689U true CN218211689U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222280034.3U Active CN218211689U (en) | 2022-08-29 | 2022-08-29 | Testing device for temperature-adjusting cable type temperature-sensing detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218211689U (en) |
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- 2022-08-29 CN CN202222280034.3U patent/CN218211689U/en active Active
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